Commit 27fe945a00956c8e727ca4c5409c6b716bc09a6d | zig

lib/compiler_rt/addf3_test.zig+8

...	@@ -4,6 +4,7 @@	...	@@ -4,6 +4,7 @@
4	// https://github.com/llvm/llvm-project/blob/02d85149a05cb1f6dc49f0ba7a2ceca53718ae17/compiler-rt/test/builtins/Unit/subtf3_test.c	4	// https://github.com/llvm/llvm-project/blob/02d85149a05cb1f6dc49f0ba7a2ceca53718ae17/compiler-rt/test/builtins/Unit/subtf3_test.c
5		5
6	const std = @import("std");	6	const std = @import("std");
		7	const builtin = @import("builtin");
7	const math = std.math;	8	const math = std.math;
8	const qnan128: f128 = @bitCast(@as(u128, 0x7fff800000000000) << 64);	9	const qnan128: f128 = @bitCast(@as(u128, 0x7fff800000000000) << 64);
9		10
...	@@ -34,6 +35,8 @@ fn test__addtf3(a: f128, b: f128, expected_hi: u64, expected_lo: u64) !void {	...	@@ -34,6 +35,8 @@ fn test__addtf3(a: f128, b: f128, expected_hi: u64, expected_lo: u64) !void {
34	}	35	}
35		36
36	test "addtf3" {	37	test "addtf3" {
		38	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		39
37	try test__addtf3(qnan128, 0x1.23456789abcdefp+5, 0x7fff800000000000, 0x0);	40	try test__addtf3(qnan128, 0x1.23456789abcdefp+5, 0x7fff800000000000, 0x0);
38		41
39	// NaN + any = NaN	42	// NaN + any = NaN
...	@@ -73,6 +76,9 @@ fn test__subtf3(a: f128, b: f128, expected_hi: u64, expected_lo: u64) !void {	...	@@ -73,6 +76,9 @@ fn test__subtf3(a: f128, b: f128, expected_hi: u64, expected_lo: u64) !void {
73	}	76	}
74		77
75	test "subtf3" {	78	test "subtf3" {
		79	if (builtin.zig_backend == .stage2_x86_64 and
		80	!comptime std.Target.x86.featureSetHasAll(builtin.cpu.features, .{ .bmi, .lzcnt })) return error.SkipZigTest;
		81
76	// qNaN - any = qNaN	82	// qNaN - any = qNaN
77	try test__subtf3(qnan128, 0x1.23456789abcdefp+5, 0x7fff800000000000, 0x0);	83	try test__subtf3(qnan128, 0x1.23456789abcdefp+5, 0x7fff800000000000, 0x0);
78		84
...	@@ -103,6 +109,8 @@ fn test__addxf3(a: f80, b: f80, expected: u80) !void {	...	@@ -103,6 +109,8 @@ fn test__addxf3(a: f80, b: f80, expected: u80) !void {
103	}	109	}
104		110
105	test "addxf3" {	111	test "addxf3" {
		112	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		113
106	// NaN + any = NaN	114	// NaN + any = NaN
107	try test__addxf3(qnan80, 0x1.23456789abcdefp+5, @as(u80, @bitCast(qnan80)));	115	try test__addxf3(qnan80, 0x1.23456789abcdefp+5, @as(u80, @bitCast(qnan80)));
108	try test__addxf3(@as(f80, @bitCast(@as(u80, 0x7fff_8000_8000_3000_0000))), 0x1.23456789abcdefp+5, @as(u80, @bitCast(qnan80)));	116	try test__addxf3(@as(f80, @bitCast(@as(u80, 0x7fff_8000_8000_3000_0000))), 0x1.23456789abcdefp+5, @as(u80, @bitCast(qnan80)));

lib/compiler_rt/addoti4_test.zig+2

...	@@ -23,6 +23,8 @@ fn simple_addoti4(a: i128, b: i128, overflow: *c_int) i128 {	...	@@ -23,6 +23,8 @@ fn simple_addoti4(a: i128, b: i128, overflow: *c_int) i128 {
23	}	23	}
24		24
25	test "addoti4" {	25	test "addoti4" {
		26	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		27
26	const min: i128 = math.minInt(i128);	28	const min: i128 = math.minInt(i128);
27	const max: i128 = math.maxInt(i128);	29	const max: i128 = math.maxInt(i128);
28	var i: i128 = 1;	30	var i: i128 = 1;

lib/compiler_rt/comparef.zig+2

...	@@ -98,6 +98,8 @@ pub inline fn cmp_f80(comptime RT: type, a: f80, b: f80) RT {	...	@@ -98,6 +98,8 @@ pub inline fn cmp_f80(comptime RT: type, a: f80, b: f80) RT {
98	}	98	}
99		99
100	test "cmp_f80" {	100	test "cmp_f80" {
		101	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		102
101	inline for (.{ LE, GE }) \|RT\| {	103	inline for (.{ LE, GE }) \|RT\| {
102	try std.testing.expect(cmp_f80(RT, 1.0, 1.0) == RT.Equal);	104	try std.testing.expect(cmp_f80(RT, 1.0, 1.0) == RT.Equal);
103	try std.testing.expect(cmp_f80(RT, 0.0, -0.0) == RT.Equal);	105	try std.testing.expect(cmp_f80(RT, 0.0, -0.0) == RT.Equal);

lib/compiler_rt/cos.zig+2-2

...	@@ -1,6 +1,4 @@	...	@@ -1,6 +1,4 @@
1	const std = @import("std");	1	const std = @import("std");
2	const builtin = @import("builtin");
3	const arch = builtin.cpu.arch;
4	const math = std.math;	2	const math = std.math;
5	const expect = std.testing.expect;	3	const expect = std.testing.expect;
6	const common = @import("common.zig");	4	const common = @import("common.zig");
...	@@ -136,6 +134,8 @@ pub fn cosl(x: c_longdouble) callconv(.C) c_longdouble {	...	@@ -136,6 +134,8 @@ pub fn cosl(x: c_longdouble) callconv(.C) c_longdouble {
136	}	134	}
137		135
138	test "cos32" {	136	test "cos32" {
		137	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		138
139	const epsilon = 0.00001;	139	const epsilon = 0.00001;
140		140
141	try expect(math.approxEqAbs(f32, cosf(0.0), 1.0, epsilon));	141	try expect(math.approxEqAbs(f32, cosf(0.0), 1.0, epsilon));

lib/compiler_rt/divtf3_test.zig+4

...	@@ -1,4 +1,5 @@	...	@@ -1,4 +1,5 @@
1	const std = @import("std");	1	const std = @import("std");
		2	const builtin = @import("builtin");
2	const math = std.math;	3	const math = std.math;
3	const testing = std.testing;	4	const testing = std.testing;
4		5
...	@@ -30,6 +31,9 @@ fn test__divtf3(a: f128, b: f128, expectedHi: u64, expectedLo: u64) !void {	...	@@ -30,6 +31,9 @@ fn test__divtf3(a: f128, b: f128, expectedHi: u64, expectedLo: u64) !void {
30	}	31	}
31		32
32	test "divtf3" {	33	test "divtf3" {
		34	if (builtin.zig_backend == .stage2_x86_64 and
		35	!comptime std.Target.x86.featureSetHasAll(builtin.cpu.features, .{ .bmi, .lzcnt })) return error.SkipZigTest;
		36
33	// NaN / any = NaN	37	// NaN / any = NaN
34	try test__divtf3(math.nan(f128), 0x1.23456789abcdefp+5, 0x7fff800000000000, 0);	38	try test__divtf3(math.nan(f128), 0x1.23456789abcdefp+5, 0x7fff800000000000, 0);
35	// inf / any(except inf and nan) = inf	39	// inf / any(except inf and nan) = inf

lib/compiler_rt/divxf3_test.zig+2

...	@@ -39,6 +39,8 @@ fn test__divxf3(a: f80, b: f80) !void {	...	@@ -39,6 +39,8 @@ fn test__divxf3(a: f80, b: f80) !void {
39	}	39	}
40		40
41	test "divxf3" {	41	test "divxf3" {
		42	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		43
42	// NaN / any = NaN	44	// NaN / any = NaN
43	try expect__divxf3_result(math.nan(f80), 0x1.23456789abcdefp+5, 0x7fffC000000000000000);	45	try expect__divxf3_result(math.nan(f80), 0x1.23456789abcdefp+5, 0x7fffC000000000000000);
44	// inf / any(except inf and nan) = inf	46	// inf / any(except inf and nan) = inf

lib/compiler_rt/float_from_int_test.zig+22

...	@@ -1,4 +1,5 @@	...	@@ -1,4 +1,5 @@
1	const std = @import("std");	1	const std = @import("std");
		2	const builtin = @import("builtin");
2	const testing = std.testing;	3	const testing = std.testing;
3	const math = std.math;	4	const math = std.math;
4		5
...	@@ -125,6 +126,9 @@ fn test__floatuntisf(a: u128, expected: f32) !void {	...	@@ -125,6 +126,9 @@ fn test__floatuntisf(a: u128, expected: f32) !void {
125	}	126	}
126		127
127	test "floattisf" {	128	test "floattisf" {
		129	if (builtin.zig_backend == .stage2_x86_64 and
		130	!comptime std.Target.x86.featureSetHasAll(builtin.cpu.features, .{ .bmi, .lzcnt })) return error.SkipZigTest;
		131
128	try test__floattisf(0, 0.0);	132	try test__floattisf(0, 0.0);
129		133
130	try test__floattisf(1, 1.0);	134	try test__floattisf(1, 1.0);
...	@@ -171,6 +175,9 @@ test "floattisf" {	...	@@ -171,6 +175,9 @@ test "floattisf" {
171	}	175	}
172		176
173	test "floatuntisf" {	177	test "floatuntisf" {
		178	if (builtin.zig_backend == .stage2_x86_64 and
		179	!comptime std.Target.x86.featureSetHasAll(builtin.cpu.features, .{ .bmi, .lzcnt })) return error.SkipZigTest;
		180
174	try test__floatuntisf(0, 0.0);	181	try test__floatuntisf(0, 0.0);
175		182
176	try test__floatuntisf(1, 1.0);	183	try test__floatuntisf(1, 1.0);
...	@@ -367,6 +374,9 @@ fn test__floatuntidf(a: u128, expected: f64) !void {	...	@@ -367,6 +374,9 @@ fn test__floatuntidf(a: u128, expected: f64) !void {
367	}	374	}
368		375
369	test "floattidf" {	376	test "floattidf" {
		377	if (builtin.zig_backend == .stage2_x86_64 and
		378	!comptime std.Target.x86.featureSetHasAll(builtin.cpu.features, .{ .bmi, .lzcnt })) return error.SkipZigTest;
		379
370	try test__floattidf(0, 0.0);	380	try test__floattidf(0, 0.0);
371		381
372	try test__floattidf(1, 1.0);	382	try test__floattidf(1, 1.0);
...	@@ -437,6 +447,9 @@ test "floattidf" {	...	@@ -437,6 +447,9 @@ test "floattidf" {
437	}	447	}
438		448
439	test "floatuntidf" {	449	test "floatuntidf" {
		450	if (builtin.zig_backend == .stage2_x86_64 and
		451	!comptime std.Target.x86.featureSetHasAll(builtin.cpu.features, .{ .bmi, .lzcnt })) return error.SkipZigTest;
		452
440	try test__floatuntidf(0, 0.0);	453	try test__floatuntidf(0, 0.0);
441		454
442	try test__floatuntidf(1, 1.0);	455	try test__floatuntidf(1, 1.0);
...	@@ -582,6 +595,9 @@ test "floatditf" {	...	@@ -582,6 +595,9 @@ test "floatditf" {
582	}	595	}
583		596
584	test "floatunditf" {	597	test "floatunditf" {
		598	if (builtin.zig_backend == .stage2_x86_64 and
		599	!comptime std.Target.x86.featureSetHasAll(builtin.cpu.features, .{ .bmi, .lzcnt })) return error.SkipZigTest;
		600
585	try test__floatunditf(0xffffffffffffffff, 0x403effffffffffff, 0xfffe000000000000);	601	try test__floatunditf(0xffffffffffffffff, 0x403effffffffffff, 0xfffe000000000000);
586	try test__floatunditf(0xfffffffffffffffe, 0x403effffffffffff, 0xfffc000000000000);	602	try test__floatunditf(0xfffffffffffffffe, 0x403effffffffffff, 0xfffc000000000000);
587	try test__floatunditf(0x8000000000000000, 0x403e000000000000, 0x0);	603	try test__floatunditf(0x8000000000000000, 0x403e000000000000, 0x0);
...	@@ -603,6 +619,9 @@ fn test__floatuntitf(a: u128, expected: f128) !void {	...	@@ -603,6 +619,9 @@ fn test__floatuntitf(a: u128, expected: f128) !void {
603	}	619	}
604		620
605	test "floattitf" {	621	test "floattitf" {
		622	if (builtin.zig_backend == .stage2_x86_64 and
		623	!comptime std.Target.x86.featureSetHasAll(builtin.cpu.features, .{ .bmi, .lzcnt })) return error.SkipZigTest;
		624
606	try test__floattitf(0, 0.0);	625	try test__floattitf(0, 0.0);
607		626
608	try test__floattitf(1, 1.0);	627	try test__floattitf(1, 1.0);
...	@@ -685,6 +704,9 @@ test "floattitf" {	...	@@ -685,6 +704,9 @@ test "floattitf" {
685	}	704	}
686		705
687	test "floatuntitf" {	706	test "floatuntitf" {
		707	if (builtin.zig_backend == .stage2_x86_64 and
		708	!comptime std.Target.x86.featureSetHasAll(builtin.cpu.features, .{ .bmi, .lzcnt })) return error.SkipZigTest;
		709
688	try test__floatuntitf(0, 0.0);	710	try test__floatuntitf(0, 0.0);
689		711
690	try test__floatuntitf(1, 1.0);	712	try test__floatuntitf(1, 1.0);

lib/compiler_rt/fma.zig+3

...	@@ -343,6 +343,9 @@ test "64" {	...	@@ -343,6 +343,9 @@ test "64" {
343	}	343	}
344		344
345	test "128" {	345	test "128" {
		346	if (builtin.zig_backend == .stage2_x86_64 and
		347	!comptime std.Target.x86.featureSetHasAll(builtin.cpu.features, .{ .bmi, .lzcnt })) return error.SkipZigTest;
		348
346	const epsilon = 0.000001;	349	const epsilon = 0.000001;
347		350
348	try expect(math.approxEqAbs(f128, fmaq(0.0, 5.0, 9.124), 9.124, epsilon));	351	try expect(math.approxEqAbs(f128, fmaq(0.0, 5.0, 9.124), 9.124, epsilon));

lib/compiler_rt/fmodx_test.zig+4

...	@@ -1,4 +1,5 @@	...	@@ -1,4 +1,5 @@
1	const std = @import("std");	1	const std = @import("std");
		2	const builtin = @import("builtin");
2	const fmod = @import("fmod.zig");	3	const fmod = @import("fmod.zig");
3	const testing = std.testing;	4	const testing = std.testing;
4		5
...	@@ -22,6 +23,9 @@ fn test_fmodx_infs() !void {	...	@@ -22,6 +23,9 @@ fn test_fmodx_infs() !void {
22	}	23	}
23		24
24	test "fmodx" {	25	test "fmodx" {
		26	if (builtin.zig_backend == .stage2_x86_64 and
		27	!comptime std.Target.x86.featureSetHasAll(builtin.cpu.features, .{ .bmi, .lzcnt })) return error.SkipZigTest;
		28
25	try test_fmodx(6.4, 4.0, 2.4);	29	try test_fmodx(6.4, 4.0, 2.4);
26	try test_fmodx(6.4, -4.0, 2.4);	30	try test_fmodx(6.4, -4.0, 2.4);
27	try test_fmodx(-6.4, 4.0, -2.4);	31	try test_fmodx(-6.4, 4.0, -2.4);

lib/compiler_rt/int.zig+2

...	@@ -42,6 +42,8 @@ pub fn __divmodti4(a: i128, b: i128, rem: *i128) callconv(.C) i128 {	...	@@ -42,6 +42,8 @@ pub fn __divmodti4(a: i128, b: i128, rem: *i128) callconv(.C) i128 {
42	}	42	}
43		43
44	test "test_divmodti4" {	44	test "test_divmodti4" {
		45	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		46
45	const cases = [_][4]i128{	47	const cases = [_][4]i128{
46	[_]i128{ 0, 1, 0, 0 },	48	[_]i128{ 0, 1, 0, 0 },
47	[_]i128{ 0, -1, 0, 0 },	49	[_]i128{ 0, -1, 0, 0 },

lib/compiler_rt/int_from_float_test.zig+37

...	@@ -1,4 +1,5 @@	...	@@ -1,4 +1,5 @@
1	const std = @import("std");	1	const std = @import("std");
		2	const builtin = @import("builtin");
2	const testing = std.testing;	3	const testing = std.testing;
3	const math = std.math;	4	const math = std.math;
4		5
...	@@ -40,6 +41,8 @@ fn test__fixunssfsi(a: f32, expected: u32) !void {	...	@@ -40,6 +41,8 @@ fn test__fixunssfsi(a: f32, expected: u32) !void {
40	}	41	}
41		42
42	test "fixsfsi" {	43	test "fixsfsi" {
		44	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		45
43	try test__fixsfsi(-math.floatMax(f32), math.minInt(i32));	46	try test__fixsfsi(-math.floatMax(f32), math.minInt(i32));
44		47
45	try test__fixsfsi(-0x1.FFFFFFFFFFFFFp+1023, math.minInt(i32));	48	try test__fixsfsi(-0x1.FFFFFFFFFFFFFp+1023, math.minInt(i32));
...	@@ -103,6 +106,8 @@ test "fixsfsi" {	...	@@ -103,6 +106,8 @@ test "fixsfsi" {
103	}	106	}
104		107
105	test "fixunssfsi" {	108	test "fixunssfsi" {
		109	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		110
106	try test__fixunssfsi(0.0, 0);	111	try test__fixunssfsi(0.0, 0);
107		112
108	try test__fixunssfsi(0.5, 0);	113	try test__fixunssfsi(0.5, 0);
...	@@ -142,6 +147,8 @@ fn test__fixunssfdi(a: f32, expected: u64) !void {	...	@@ -142,6 +147,8 @@ fn test__fixunssfdi(a: f32, expected: u64) !void {
142	}	147	}
143		148
144	test "fixsfdi" {	149	test "fixsfdi" {
		150	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		151
145	try test__fixsfdi(-math.floatMax(f32), math.minInt(i64));	152	try test__fixsfdi(-math.floatMax(f32), math.minInt(i64));
146		153
147	try test__fixsfdi(-0x1.FFFFFFFFFFFFFp+1023, math.minInt(i64));	154	try test__fixsfdi(-0x1.FFFFFFFFFFFFFp+1023, math.minInt(i64));
...	@@ -197,6 +204,8 @@ test "fixsfdi" {	...	@@ -197,6 +204,8 @@ test "fixsfdi" {
197	}	204	}
198		205
199	test "fixunssfdi" {	206	test "fixunssfdi" {
		207	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		208
200	try test__fixunssfdi(0.0, 0);	209	try test__fixunssfdi(0.0, 0);
201		210
202	try test__fixunssfdi(0.5, 0);	211	try test__fixunssfdi(0.5, 0);
...	@@ -235,6 +244,8 @@ fn test__fixunssfti(a: f32, expected: u128) !void {	...	@@ -235,6 +244,8 @@ fn test__fixunssfti(a: f32, expected: u128) !void {
235	}	244	}
236		245
237	test "fixsfti" {	246	test "fixsfti" {
		247	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		248
238	try test__fixsfti(-math.floatMax(f32), math.minInt(i128));	249	try test__fixsfti(-math.floatMax(f32), math.minInt(i128));
239		250
240	try test__fixsfti(-0x1.FFFFFFFFFFFFFp+1023, math.minInt(i128));	251	try test__fixsfti(-0x1.FFFFFFFFFFFFFp+1023, math.minInt(i128));
...	@@ -306,6 +317,8 @@ test "fixsfti" {	...	@@ -306,6 +317,8 @@ test "fixsfti" {
306	}	317	}
307		318
308	test "fixunssfti" {	319	test "fixunssfti" {
		320	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		321
309	try test__fixunssfti(0.0, 0);	322	try test__fixunssfti(0.0, 0);
310		323
311	try test__fixunssfti(0.5, 0);	324	try test__fixunssfti(0.5, 0);
...	@@ -352,6 +365,8 @@ fn test__fixunsdfsi(a: f64, expected: u32) !void {	...	@@ -352,6 +365,8 @@ fn test__fixunsdfsi(a: f64, expected: u32) !void {
352	}	365	}
353		366
354	test "fixdfsi" {	367	test "fixdfsi" {
		368	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		369
355	try test__fixdfsi(-math.floatMax(f64), math.minInt(i32));	370	try test__fixdfsi(-math.floatMax(f64), math.minInt(i32));
356		371
357	try test__fixdfsi(-0x1.FFFFFFFFFFFFFp+1023, math.minInt(i32));	372	try test__fixdfsi(-0x1.FFFFFFFFFFFFFp+1023, math.minInt(i32));
...	@@ -413,6 +428,8 @@ test "fixdfsi" {	...	@@ -413,6 +428,8 @@ test "fixdfsi" {
413	}	428	}
414		429
415	test "fixunsdfsi" {	430	test "fixunsdfsi" {
		431	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		432
416	try test__fixunsdfsi(0.0, 0);	433	try test__fixunsdfsi(0.0, 0);
417		434
418	try test__fixunsdfsi(0.5, 0);	435	try test__fixunsdfsi(0.5, 0);
...	@@ -455,6 +472,8 @@ fn test__fixunsdfdi(a: f64, expected: u64) !void {	...	@@ -455,6 +472,8 @@ fn test__fixunsdfdi(a: f64, expected: u64) !void {
455	}	472	}
456		473
457	test "fixdfdi" {	474	test "fixdfdi" {
		475	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		476
458	try test__fixdfdi(-math.floatMax(f64), math.minInt(i64));	477	try test__fixdfdi(-math.floatMax(f64), math.minInt(i64));
459		478
460	try test__fixdfdi(-0x1.FFFFFFFFFFFFFp+1023, math.minInt(i64));	479	try test__fixdfdi(-0x1.FFFFFFFFFFFFFp+1023, math.minInt(i64));
...	@@ -508,6 +527,8 @@ test "fixdfdi" {	...	@@ -508,6 +527,8 @@ test "fixdfdi" {
508	}	527	}
509		528
510	test "fixunsdfdi" {	529	test "fixunsdfdi" {
		530	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		531
511	try test__fixunsdfdi(0.0, 0);	532	try test__fixunsdfdi(0.0, 0);
512	try test__fixunsdfdi(0.5, 0);	533	try test__fixunsdfdi(0.5, 0);
513	try test__fixunsdfdi(0.99, 0);	534	try test__fixunsdfdi(0.99, 0);
...	@@ -550,6 +571,8 @@ fn test__fixunsdfti(a: f64, expected: u128) !void {	...	@@ -550,6 +571,8 @@ fn test__fixunsdfti(a: f64, expected: u128) !void {
550	}	571	}
551		572
552	test "fixdfti" {	573	test "fixdfti" {
		574	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		575
553	try test__fixdfti(-math.floatMax(f64), math.minInt(i128));	576	try test__fixdfti(-math.floatMax(f64), math.minInt(i128));
554		577
555	try test__fixdfti(-0x1.FFFFFFFFFFFFFp+1023, math.minInt(i128));	578	try test__fixdfti(-0x1.FFFFFFFFFFFFFp+1023, math.minInt(i128));
...	@@ -603,6 +626,8 @@ test "fixdfti" {	...	@@ -603,6 +626,8 @@ test "fixdfti" {
603	}	626	}
604		627
605	test "fixunsdfti" {	628	test "fixunsdfti" {
		629	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		630
606	try test__fixunsdfti(0.0, 0);	631	try test__fixunsdfti(0.0, 0);
607		632
608	try test__fixunsdfti(0.5, 0);	633	try test__fixunsdfti(0.5, 0);
...	@@ -652,6 +677,8 @@ fn test__fixunstfsi(a: f128, expected: u32) !void {	...	@@ -652,6 +677,8 @@ fn test__fixunstfsi(a: f128, expected: u32) !void {
652	}	677	}
653		678
654	test "fixtfsi" {	679	test "fixtfsi" {
		680	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		681
655	try test__fixtfsi(-math.floatMax(f128), math.minInt(i32));	682	try test__fixtfsi(-math.floatMax(f128), math.minInt(i32));
656		683
657	try test__fixtfsi(-0x1.FFFFFFFFFFFFFp+1023, math.minInt(i32));	684	try test__fixtfsi(-0x1.FFFFFFFFFFFFFp+1023, math.minInt(i32));
...	@@ -715,6 +742,8 @@ test "fixtfsi" {	...	@@ -715,6 +742,8 @@ test "fixtfsi" {
715	}	742	}
716		743
717	test "fixunstfsi" {	744	test "fixunstfsi" {
		745	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		746
718	try test__fixunstfsi(math.inf(f128), 0xffffffff);	747	try test__fixunstfsi(math.inf(f128), 0xffffffff);
719	try test__fixunstfsi(0, 0x0);	748	try test__fixunstfsi(0, 0x0);
720	try test__fixunstfsi(0x1.23456789abcdefp+5, 0x24);	749	try test__fixunstfsi(0x1.23456789abcdefp+5, 0x24);
...	@@ -738,6 +767,8 @@ fn test__fixunstfdi(a: f128, expected: u64) !void {	...	@@ -738,6 +767,8 @@ fn test__fixunstfdi(a: f128, expected: u64) !void {
738	}	767	}
739		768
740	test "fixtfdi" {	769	test "fixtfdi" {
		770	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		771
741	try test__fixtfdi(-math.floatMax(f128), math.minInt(i64));	772	try test__fixtfdi(-math.floatMax(f128), math.minInt(i64));
742		773
743	try test__fixtfdi(-0x1.FFFFFFFFFFFFFp+1023, math.minInt(i64));	774	try test__fixtfdi(-0x1.FFFFFFFFFFFFFp+1023, math.minInt(i64));
...	@@ -801,6 +832,8 @@ test "fixtfdi" {	...	@@ -801,6 +832,8 @@ test "fixtfdi" {
801	}	832	}
802		833
803	test "fixunstfdi" {	834	test "fixunstfdi" {
		835	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		836
804	try test__fixunstfdi(0.0, 0);	837	try test__fixunstfdi(0.0, 0);
805		838
806	try test__fixunstfdi(0.5, 0);	839	try test__fixunstfdi(0.5, 0);
...	@@ -853,6 +886,8 @@ fn test__fixunstfti(a: f128, expected: u128) !void {	...	@@ -853,6 +886,8 @@ fn test__fixunstfti(a: f128, expected: u128) !void {
853	}	886	}
854		887
855	test "fixtfti" {	888	test "fixtfti" {
		889	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		890
856	try test__fixtfti(-math.floatMax(f128), math.minInt(i128));	891	try test__fixtfti(-math.floatMax(f128), math.minInt(i128));
857		892
858	try test__fixtfti(-0x1.FFFFFFFFFFFFFp+1023, math.minInt(i128));	893	try test__fixtfti(-0x1.FFFFFFFFFFFFFp+1023, math.minInt(i128));
...	@@ -934,6 +969,8 @@ fn test__fixunshfti(a: f16, expected: u128) !void {	...	@@ -934,6 +969,8 @@ fn test__fixunshfti(a: f16, expected: u128) !void {
934	}	969	}
935		970
936	test "fixunshfti for f16" {	971	test "fixunshfti for f16" {
		972	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		973
937	try test__fixunshfti(math.inf(f16), math.maxInt(u128));	974	try test__fixunshfti(math.inf(f16), math.maxInt(u128));
938	try test__fixunshfti(math.floatMax(f16), 65504);	975	try test__fixunshfti(math.floatMax(f16), 65504);
939	}	976	}

lib/compiler_rt/mulf3_test.zig+4

...	@@ -3,6 +3,7 @@	...	@@ -3,6 +3,7 @@
3	// https://github.com/llvm/llvm-project/blob/2ffb1b0413efa9a24eb3c49e710e36f92e2cb50b/compiler-rt/test/builtins/Unit/multf3_test.c	3	// https://github.com/llvm/llvm-project/blob/2ffb1b0413efa9a24eb3c49e710e36f92e2cb50b/compiler-rt/test/builtins/Unit/multf3_test.c
4		4
5	const std = @import("std");	5	const std = @import("std");
		6	const builtin = @import("builtin");
6	const math = std.math;	7	const math = std.math;
7	const qnan128: f128 = @bitCast(@as(u128, 0x7fff800000000000) << 64);	8	const qnan128: f128 = @bitCast(@as(u128, 0x7fff800000000000) << 64);
8	const inf128: f128 = @bitCast(@as(u128, 0x7fff000000000000) << 64);	9	const inf128: f128 = @bitCast(@as(u128, 0x7fff000000000000) << 64);
...	@@ -48,6 +49,9 @@ fn makeNaN128(rand: u64) f128 {	...	@@ -48,6 +49,9 @@ fn makeNaN128(rand: u64) f128 {
48	return @bitCast(int_result);	49	return @bitCast(int_result);
49	}	50	}
50	test "multf3" {	51	test "multf3" {
		52	if (builtin.zig_backend == .stage2_x86_64 and
		53	!comptime std.Target.x86.featureSetHasAll(builtin.cpu.features, .{ .bmi, .lzcnt })) return error.SkipZigTest;
		54
51	// qNaN * any = qNaN	55	// qNaN * any = qNaN
52	try test__multf3(qnan128, 0x1.23456789abcdefp+5, 0x7fff800000000000, 0x0);	56	try test__multf3(qnan128, 0x1.23456789abcdefp+5, 0x7fff800000000000, 0x0);
53		57

lib/compiler_rt/negti2_test.zig+3-1

...	@@ -6,7 +6,9 @@ fn test__negti2(a: i128, expected: i128) !void {	...	@@ -6,7 +6,9 @@ fn test__negti2(a: i128, expected: i128) !void {
6	try testing.expectEqual(expected, result);	6	try testing.expectEqual(expected, result);
7	}	7	}
8		8
9	test "negdi2" {	9	test "negti2" {
		10	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		11
10	// TODO ensuring that math.minInt(i128); returns error	12	// TODO ensuring that math.minInt(i128); returns error
11		13
12	try test__negti2(-3, 3);	14	try test__negti2(-3, 3);

lib/compiler_rt/powiXf2_test.zig+11-2

...	@@ -3,8 +3,10 @@	...	@@ -3,8 +3,10 @@
3	// powihf2 adapted from powisf2 tests	3	// powihf2 adapted from powisf2 tests
4		4
5	const powiXf2 = @import("powiXf2.zig");	5	const powiXf2 = @import("powiXf2.zig");
6	const testing = @import("std").testing;	6	const std = @import("std");
7	const math = @import("std").math;	7	const builtin = @import("builtin");
		8	const testing = std.testing;
		9	const math = std.math;
8		10
9	fn test__powihf2(a: f16, b: i32, expected: f16) !void {	11	fn test__powihf2(a: f16, b: i32, expected: f16) !void {
10	var result = powiXf2.__powihf2(a, b);	12	var result = powiXf2.__powihf2(a, b);
...	@@ -32,6 +34,9 @@ fn test__powixf2(a: f80, b: i32, expected: f80) !void {	...	@@ -32,6 +34,9 @@ fn test__powixf2(a: f80, b: i32, expected: f80) !void {
32	}	34	}
33		35
34	test "powihf2" {	36	test "powihf2" {
		37	if (builtin.zig_backend == .stage2_x86_64 and
		38	!comptime std.Target.x86.featureSetHas(builtin.cpu.features, .f16c)) return error.SkipZigTest;
		39
35	const inf_f16 = math.inf(f16);	40	const inf_f16 = math.inf(f16);
36	try test__powisf2(0, 0, 1);	41	try test__powisf2(0, 0, 1);
37	try test__powihf2(1, 0, 1);	42	try test__powihf2(1, 0, 1);
...	@@ -351,6 +356,8 @@ test "powidf2" {	...	@@ -351,6 +356,8 @@ test "powidf2" {
351	}	356	}
352		357
353	test "powitf2" {	358	test "powitf2" {
		359	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		360
354	const inf_f128 = math.inf(f128);	361	const inf_f128 = math.inf(f128);
355	try test__powitf2(0, 0, 1);	362	try test__powitf2(0, 0, 1);
356	try test__powitf2(1, 0, 1);	363	try test__powitf2(1, 0, 1);
...	@@ -456,6 +463,8 @@ test "powitf2" {	...	@@ -456,6 +463,8 @@ test "powitf2" {
456	}	463	}
457		464
458	test "powixf2" {	465	test "powixf2" {
		466	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		467
459	const inf_f80 = math.inf(f80);	468	const inf_f80 = math.inf(f80);
460	try test__powixf2(0, 0, 1);	469	try test__powixf2(0, 0, 1);
461	try test__powixf2(1, 0, 1);	470	try test__powixf2(1, 0, 1);

lib/compiler_rt/sin.zig+2

...	@@ -140,6 +140,8 @@ pub fn sinl(x: c_longdouble) callconv(.C) c_longdouble {	...	@@ -140,6 +140,8 @@ pub fn sinl(x: c_longdouble) callconv(.C) c_longdouble {
140	}	140	}
141		141
142	test "sin32" {	142	test "sin32" {
		143	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		144
143	const epsilon = 0.00001;	145	const epsilon = 0.00001;
144		146
145	try expect(math.approxEqAbs(f32, sinf(0.0), 0.0, epsilon));	147	try expect(math.approxEqAbs(f32, sinf(0.0), 0.0, epsilon));

lib/compiler_rt/suboti4_test.zig+2

...	@@ -27,6 +27,8 @@ pub fn simple_suboti4(a: i128, b: i128, overflow: *c_int) i128 {	...	@@ -27,6 +27,8 @@ pub fn simple_suboti4(a: i128, b: i128, overflow: *c_int) i128 {
27	}	27	}
28		28
29	test "suboti3" {	29	test "suboti3" {
		30	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		31
30	const min: i128 = math.minInt(i128);	32	const min: i128 = math.minInt(i128);
31	const max: i128 = math.maxInt(i128);	33	const max: i128 = math.maxInt(i128);
32	var i: i128 = 1;	34	var i: i128 = 1;

lib/compiler_rt/tan.zig+4

...	@@ -131,6 +131,8 @@ test "tan" {	...	@@ -131,6 +131,8 @@ test "tan" {
131	}	131	}
132		132
133	test "tan32" {	133	test "tan32" {
		134	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		135
134	const epsilon = 0.00001;	136	const epsilon = 0.00001;
135		137
136	try expect(math.approxEqAbs(f32, tanf(0.0), 0.0, epsilon));	138	try expect(math.approxEqAbs(f32, tanf(0.0), 0.0, epsilon));
...	@@ -142,6 +144,8 @@ test "tan32" {	...	@@ -142,6 +144,8 @@ test "tan32" {
142	}	144	}
143		145
144	test "tan64" {	146	test "tan64" {
		147	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		148
145	const epsilon = 0.000001;	149	const epsilon = 0.000001;
146		150
147	try expect(math.approxEqAbs(f64, tan(0.0), 0.0, epsilon));	151	try expect(math.approxEqAbs(f64, tan(0.0), 0.0, epsilon));

lib/compiler_rt/udivmodei4.zig+4-1

 @@ -129,7 +129,10 @@ pub fn __umodei4(r_p: [*]u32, u_p: [*]const u32, v_p: [*]const u32, bits: usize)
 }
 test "__udivei4/__umodei4" {
-    if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
+    switch (builtin.zig_backend) {
+        .stage2_c, .stage2_x86_64 => return error.SkipZigTest,
+        else => {},
+    }
     const RndGen = std.rand.DefaultPrng;
     var rnd = RndGen.init(42);

lib/std/Build/Cache.zig+10

...	@@ -1007,6 +1007,8 @@ test "cache file and then recall it" {	...	@@ -1007,6 +1007,8 @@ test "cache file and then recall it" {
1007	return error.SkipZigTest;	1007	return error.SkipZigTest;
1008	}	1008	}
1009		1009
		1010	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1011
1010	var tmp = testing.tmpDir(.{});	1012	var tmp = testing.tmpDir(.{});
1011	defer tmp.cleanup();	1013	defer tmp.cleanup();
1012		1014
...	@@ -1072,6 +1074,9 @@ test "check that changing a file makes cache fail" {	...	@@ -1072,6 +1074,9 @@ test "check that changing a file makes cache fail" {
1072	// https://github.com/ziglang/zig/issues/5437	1074	// https://github.com/ziglang/zig/issues/5437
1073	return error.SkipZigTest;	1075	return error.SkipZigTest;
1074	}	1076	}
		1077
		1078	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1079
1075	var tmp = testing.tmpDir(.{});	1080	var tmp = testing.tmpDir(.{});
1076	defer tmp.cleanup();	1081	defer tmp.cleanup();
1077		1082
...	@@ -1146,6 +1151,8 @@ test "no file inputs" {	...	@@ -1146,6 +1151,8 @@ test "no file inputs" {
1146	return error.SkipZigTest;	1151	return error.SkipZigTest;
1147	}	1152	}
1148		1153
		1154	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1155
1149	var tmp = testing.tmpDir(.{});	1156	var tmp = testing.tmpDir(.{});
1150	defer tmp.cleanup();	1157	defer tmp.cleanup();
1151		1158
...	@@ -1193,6 +1200,9 @@ test "Manifest with files added after initial hash work" {	...	@@ -1193,6 +1200,9 @@ test "Manifest with files added after initial hash work" {
1193	// https://github.com/ziglang/zig/issues/5437	1200	// https://github.com/ziglang/zig/issues/5437
1194	return error.SkipZigTest;	1201	return error.SkipZigTest;
1195	}	1202	}
		1203
		1204	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1205
1196	var tmp = testing.tmpDir(.{});	1206	var tmp = testing.tmpDir(.{});
1197	defer tmp.cleanup();	1207	defer tmp.cleanup();
1198		1208

lib/std/Build/Step/Options.zig+2

...	@@ -296,6 +296,8 @@ const Arg = struct {	...	@@ -296,6 +296,8 @@ const Arg = struct {
296	test Options {	296	test Options {
297	if (builtin.os.tag == .wasi) return error.SkipZigTest;	297	if (builtin.os.tag == .wasi) return error.SkipZigTest;
298		298
		299	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		300
299	var arena = std.heap.ArenaAllocator.init(std.testing.allocator);	301	var arena = std.heap.ArenaAllocator.init(std.testing.allocator);
300	defer arena.deinit();	302	defer arena.deinit();
301		303

lib/std/Thread/Condition.zig+6

...	@@ -369,6 +369,8 @@ test "Condition - signal" {	...	@@ -369,6 +369,8 @@ test "Condition - signal" {
369	return error.SkipZigTest;	369	return error.SkipZigTest;
370	}	370	}
371		371
		372	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		373
372	const num_threads = 4;	374	const num_threads = 4;
373		375
374	const SignalTest = struct {	376	const SignalTest = struct {
...	@@ -498,6 +500,8 @@ test "Condition - broadcasting" {	...	@@ -498,6 +500,8 @@ test "Condition - broadcasting" {
498	return error.SkipZigTest;	500	return error.SkipZigTest;
499	}	501	}
500		502
		503	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		504
501	const num_threads = 10;	505	const num_threads = 10;
502		506
503	const BroadcastTest = struct {	507	const BroadcastTest = struct {
...	@@ -565,6 +569,8 @@ test "Condition - broadcasting - wake all threads" {	...	@@ -565,6 +569,8 @@ test "Condition - broadcasting - wake all threads" {
565	return error.SkipZigTest;	569	return error.SkipZigTest;
566	}	570	}
567		571
		572	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		573
568	var num_runs: usize = 1;	574	var num_runs: usize = 1;
569	const num_threads = 10;	575	const num_threads = 10;
570		576

lib/std/Thread/Mutex.zig+2

...	@@ -289,6 +289,8 @@ test "Mutex - many contended" {	...	@@ -289,6 +289,8 @@ test "Mutex - many contended" {
289	return error.SkipZigTest;	289	return error.SkipZigTest;
290	}	290	}
291		291
		292	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		293
292	const num_threads = 4;	294	const num_threads = 4;
293	const num_increments = 1000;	295	const num_increments = 1000;
294		296

lib/std/Thread/RwLock.zig+2

...	@@ -297,6 +297,8 @@ test "RwLock - concurrent access" {	...	@@ -297,6 +297,8 @@ test "RwLock - concurrent access" {
297	if (builtin.single_threaded)	297	if (builtin.single_threaded)
298	return;	298	return;
299		299
		300	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		301
300	const num_writers: usize = 2;	302	const num_writers: usize = 2;
301	const num_readers: usize = 4;	303	const num_readers: usize = 4;
302	const num_writes: usize = 10000;	304	const num_writes: usize = 10000;

lib/std/Uri.zig+2

...	@@ -685,6 +685,8 @@ test "Special test" {	...	@@ -685,6 +685,8 @@ test "Special test" {
685	}	685	}
686		686
687	test "URI escaping" {	687	test "URI escaping" {
		688	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		689
688	const input = "\\ö/ äöß ~~.adas-https://canvas:123/#ads&&sad";	690	const input = "\\ö/ äöß ~~.adas-https://canvas:123/#ads&&sad";
689	const expected = "%5C%C3%B6%2F%20%C3%A4%C3%B6%C3%9F%20~~.adas-https%3A%2F%2Fcanvas%3A123%2F%23ads%26%26sad";	691	const expected = "%5C%C3%B6%2F%20%C3%A4%C3%B6%C3%9F%20~~.adas-https%3A%2F%2Fcanvas%3A123%2F%23ads%26%26sad";
690		692

lib/std/array_hash_map.zig+15

...	@@ -1,4 +1,5 @@	...	@@ -1,4 +1,5 @@
1	const std = @import("std.zig");	1	const std = @import("std.zig");
		2	const builtin = @import("builtin");
2	const debug = std.debug;	3	const debug = std.debug;
3	const assert = debug.assert;	4	const assert = debug.assert;
4	const testing = std.testing;	5	const testing = std.testing;
...	@@ -2137,6 +2138,8 @@ test "ensure capacity leak" {	...	@@ -2137,6 +2138,8 @@ test "ensure capacity leak" {
2137	}	2138	}
2138		2139
2139	test "big map" {	2140	test "big map" {
		2141	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2142
2140	var map = AutoArrayHashMap(i32, i32).init(std.testing.allocator);	2143	var map = AutoArrayHashMap(i32, i32).init(std.testing.allocator);
2141	defer map.deinit();	2144	defer map.deinit();
2142		2145
...	@@ -2190,6 +2193,8 @@ test "big map" {	...	@@ -2190,6 +2193,8 @@ test "big map" {
2190	}	2193	}
2191		2194
2192	test "clone" {	2195	test "clone" {
		2196	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2197
2193	var original = AutoArrayHashMap(i32, i32).init(std.testing.allocator);	2198	var original = AutoArrayHashMap(i32, i32).init(std.testing.allocator);
2194	defer original.deinit();	2199	defer original.deinit();
2195		2200
...	@@ -2216,6 +2221,8 @@ test "clone" {	...	@@ -2216,6 +2221,8 @@ test "clone" {
2216	}	2221	}
2217		2222
2218	test "shrink" {	2223	test "shrink" {
		2224	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2225
2219	var map = AutoArrayHashMap(i32, i32).init(std.testing.allocator);	2226	var map = AutoArrayHashMap(i32, i32).init(std.testing.allocator);
2220	defer map.deinit();	2227	defer map.deinit();
2221		2228
...	@@ -2256,6 +2263,8 @@ test "shrink" {	...	@@ -2256,6 +2263,8 @@ test "shrink" {
2256	}	2263	}
2257		2264
2258	test "pop" {	2265	test "pop" {
		2266	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2267
2259	var map = AutoArrayHashMap(i32, i32).init(std.testing.allocator);	2268	var map = AutoArrayHashMap(i32, i32).init(std.testing.allocator);
2260	defer map.deinit();	2269	defer map.deinit();
2261		2270
...	@@ -2274,6 +2283,8 @@ test "pop" {	...	@@ -2274,6 +2283,8 @@ test "pop" {
2274	}	2283	}
2275		2284
2276	test "popOrNull" {	2285	test "popOrNull" {
		2286	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2287
2277	var map = AutoArrayHashMap(i32, i32).init(std.testing.allocator);	2288	var map = AutoArrayHashMap(i32, i32).init(std.testing.allocator);
2278	defer map.deinit();	2289	defer map.deinit();
2279		2290
...	@@ -2294,6 +2305,8 @@ test "popOrNull" {	...	@@ -2294,6 +2305,8 @@ test "popOrNull" {
2294	}	2305	}
2295		2306
2296	test "reIndex" {	2307	test "reIndex" {
		2308	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2309
2297	var map = ArrayHashMap(i32, i32, AutoContext(i32), true).init(std.testing.allocator);	2310	var map = ArrayHashMap(i32, i32, AutoContext(i32), true).init(std.testing.allocator);
2298	defer map.deinit();	2311	defer map.deinit();
2299		2312
...	@@ -2338,6 +2351,8 @@ test "auto store_hash" {	...	@@ -2338,6 +2351,8 @@ test "auto store_hash" {
2338	}	2351	}
2339		2352
2340	test "sort" {	2353	test "sort" {
		2354	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2355
2341	var map = AutoArrayHashMap(i32, i32).init(std.testing.allocator);	2356	var map = AutoArrayHashMap(i32, i32).init(std.testing.allocator);
2342	defer map.deinit();	2357	defer map.deinit();
2343		2358

lib/std/array_list.zig+11

...	@@ -1,4 +1,5 @@	...	@@ -1,4 +1,5 @@
1	const std = @import("std.zig");	1	const std = @import("std.zig");
		2	const builtin = @import("builtin");
2	const debug = std.debug;	3	const debug = std.debug;
3	const assert = debug.assert;	4	const assert = debug.assert;
4	const testing = std.testing;	5	const testing = std.testing;
...	@@ -1183,6 +1184,8 @@ test "std.ArrayList/ArrayListUnmanaged.initCapacity" {	...	@@ -1183,6 +1184,8 @@ test "std.ArrayList/ArrayListUnmanaged.initCapacity" {
1183	}	1184	}
1184		1185
1185	test "std.ArrayList/ArrayListUnmanaged.clone" {	1186	test "std.ArrayList/ArrayListUnmanaged.clone" {
		1187	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1188
1186	const a = testing.allocator;	1189	const a = testing.allocator;
1187	{	1190	{
1188	var array = ArrayList(i32).init(a);	1191	var array = ArrayList(i32).init(a);
...	@@ -1224,6 +1227,8 @@ test "std.ArrayList/ArrayListUnmanaged.clone" {	...	@@ -1224,6 +1227,8 @@ test "std.ArrayList/ArrayListUnmanaged.clone" {
1224	}	1227	}
1225		1228
1226	test "std.ArrayList/ArrayListUnmanaged.basic" {	1229	test "std.ArrayList/ArrayListUnmanaged.basic" {
		1230	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1231
1227	const a = testing.allocator;	1232	const a = testing.allocator;
1228	{	1233	{
1229	var list = ArrayList(i32).init(a);	1234	var list = ArrayList(i32).init(a);
...	@@ -1508,6 +1513,8 @@ test "std.ArrayList/ArrayListUnmanaged.insert" {	...	@@ -1508,6 +1513,8 @@ test "std.ArrayList/ArrayListUnmanaged.insert" {
1508	}	1513	}
1509		1514
1510	test "std.ArrayList/ArrayListUnmanaged.insertSlice" {	1515	test "std.ArrayList/ArrayListUnmanaged.insertSlice" {
		1516	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1517
1511	const a = testing.allocator;	1518	const a = testing.allocator;
1512	{	1519	{
1513	var list = ArrayList(i32).init(a);	1520	var list = ArrayList(i32).init(a);
...	@@ -1554,6 +1561,8 @@ test "std.ArrayList/ArrayListUnmanaged.insertSlice" {	...	@@ -1554,6 +1561,8 @@ test "std.ArrayList/ArrayListUnmanaged.insertSlice" {
1554	}	1561	}
1555		1562
1556	test "std.ArrayList/ArrayListUnmanaged.replaceRange" {	1563	test "std.ArrayList/ArrayListUnmanaged.replaceRange" {
		1564	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1565
1557	var arena = std.heap.ArenaAllocator.init(testing.allocator);	1566	var arena = std.heap.ArenaAllocator.init(testing.allocator);
1558	defer arena.deinit();	1567	defer arena.deinit();
1559	const a = arena.allocator();	1568	const a = arena.allocator();
...	@@ -1725,6 +1734,8 @@ test "shrink still sets length when resizing is disabled" {	...	@@ -1725,6 +1734,8 @@ test "shrink still sets length when resizing is disabled" {
1725	}	1734	}
1726		1735
1727	test "shrinkAndFree with a copy" {	1736	test "shrinkAndFree with a copy" {
		1737	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1738
1728	var failing_allocator = testing.FailingAllocator.init(testing.allocator, .{ .resize_fail_index = 0 });	1739	var failing_allocator = testing.FailingAllocator.init(testing.allocator, .{ .resize_fail_index = 0 });
1729	const a = failing_allocator.allocator();	1740	const a = failing_allocator.allocator();
1730		1741

lib/std/atomic/Atomic.zig+4

...	@@ -374,6 +374,8 @@ const atomic_rmw_orderings = [_]Ordering{	...	@@ -374,6 +374,8 @@ const atomic_rmw_orderings = [_]Ordering{
374	};	374	};
375		375
376	test "Atomic.swap" {	376	test "Atomic.swap" {
		377	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		378
377	inline for (atomic_rmw_orderings) \|ordering\| {	379	inline for (atomic_rmw_orderings) \|ordering\| {
378	var x = Atomic(usize).init(5);	380	var x = Atomic(usize).init(5);
379	try testing.expectEqual(x.swap(10, ordering), 5);	381	try testing.expectEqual(x.swap(10, ordering), 5);
...	@@ -467,6 +469,8 @@ test "Atomic.fetchSub" {	...	@@ -467,6 +469,8 @@ test "Atomic.fetchSub" {
467	}	469	}
468		470
469	test "Atomic.fetchMin" {	471	test "Atomic.fetchMin" {
		472	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		473
470	inline for (atomicIntTypes()) \|Int\| {	474	inline for (atomicIntTypes()) \|Int\| {
471	inline for (atomic_rmw_orderings) \|ordering\| {	475	inline for (atomic_rmw_orderings) \|ordering\| {
472	var x = Atomic(Int).init(5);	476	var x = Atomic(Int).init(5);

lib/std/atomic/queue.zig+2

...	@@ -175,6 +175,8 @@ const puts_per_thread = 500;	...	@@ -175,6 +175,8 @@ const puts_per_thread = 500;
175	const put_thread_count = 3;	175	const put_thread_count = 3;
176		176
177	test "std.atomic.Queue" {	177	test "std.atomic.Queue" {
		178	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		179
178	var plenty_of_memory = try std.heap.page_allocator.alloc(u8, 300 * 1024);	180	var plenty_of_memory = try std.heap.page_allocator.alloc(u8, 300 * 1024);
179	defer std.heap.page_allocator.free(plenty_of_memory);	181	defer std.heap.page_allocator.free(plenty_of_memory);
180		182

lib/std/base64.zig+7

 @@ -1,5 +1,6 @@
 const std = @import("std.zig");
 const assert = std.debug.assert;
+const builtin = @import("builtin");
 const testing = std.testing;
 const mem = std.mem;
 @@ -354,12 +355,16 @@ pub const Base64DecoderWithIgnore = struct {
 };
 test "base64" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     @setEvalBranchQuota(8000);
     try testBase64();
     try comptime testAllApis(standard, "comptime", "Y29tcHRpbWU=");
 }
 test "base64 padding dest overflow" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     const input = "foo";
     var expect: [128]u8 = undefined;
 @@ -374,6 +379,8 @@ test "base64 padding dest overflow" {
 }
 test "base64 url_safe_no_pad" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     @setEvalBranchQuota(8000);
     try testBase64UrlSafeNoPad();
     try comptime testAllApis(url_safe_no_pad, "comptime", "Y29tcHRpbWU");

lib/std/bit_set.zig+14-1

lib/std/compress/deflate/compressor.zig+2

...	@@ -1069,6 +1069,8 @@ var deflate_tests = [_]DeflateTest{	...	@@ -1069,6 +1069,8 @@ var deflate_tests = [_]DeflateTest{
1069	};	1069	};
1070		1070
1071	test "deflate" {	1071	test "deflate" {
		1072	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1073
1072	for (deflate_tests) \|dt\| {	1074	for (deflate_tests) \|dt\| {
1073	var output = ArrayList(u8).init(testing.allocator);	1075	var output = ArrayList(u8).init(testing.allocator);
1074	defer output.deinit();	1076	defer output.deinit();

lib/std/compress/deflate/compressor_test.zig+18

...	@@ -154,6 +154,8 @@ fn testToFromWithLimit(input: []const u8, limit: [11]u32) !void {	...	@@ -154,6 +154,8 @@ fn testToFromWithLimit(input: []const u8, limit: [11]u32) !void {
154	}	154	}
155		155
156	test "deflate/inflate" {	156	test "deflate/inflate" {
		157	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		158
157	var limits = [_]u32{0} ** 11;	159	var limits = [_]u32{0} ** 11;
158		160
159	var test0 = [_]u8{};	161	var test0 = [_]u8{};
...	@@ -178,6 +180,8 @@ test "deflate/inflate" {	...	@@ -178,6 +180,8 @@ test "deflate/inflate" {
178	}	180	}
179		181
180	test "very long sparse chunk" {	182	test "very long sparse chunk" {
		183	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		184
181	// A SparseReader returns a stream consisting of 0s ending with 65,536 (1<<16) 1s.	185	// A SparseReader returns a stream consisting of 0s ending with 65,536 (1<<16) 1s.
182	// This tests missing hash references in a very large input.	186	// This tests missing hash references in a very large input.
183	const SparseReader = struct {	187	const SparseReader = struct {
...	@@ -239,6 +243,8 @@ test "very long sparse chunk" {	...	@@ -239,6 +243,8 @@ test "very long sparse chunk" {
239	}	243	}
240		244
241	test "compressor reset" {	245	test "compressor reset" {
		246	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		247
242	for (std.enums.values(deflate.Compression)) \|c\| {	248	for (std.enums.values(deflate.Compression)) \|c\| {
243	try testWriterReset(c, null);	249	try testWriterReset(c, null);
244	try testWriterReset(c, "dict");	250	try testWriterReset(c, "dict");
...	@@ -289,6 +295,8 @@ fn testWriterReset(level: deflate.Compression, dict: ?[]const u8) !void {	...	@@ -289,6 +295,8 @@ fn testWriterReset(level: deflate.Compression, dict: ?[]const u8) !void {
289	}	295	}
290		296
291	test "decompressor dictionary" {	297	test "decompressor dictionary" {
		298	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		299
292	const dict = "hello world"; // dictionary	300	const dict = "hello world"; // dictionary
293	const text = "hello again world";	301	const text = "hello again world";
294		302
...	@@ -329,6 +337,8 @@ test "decompressor dictionary" {	...	@@ -329,6 +337,8 @@ test "decompressor dictionary" {
329	}	337	}
330		338
331	test "compressor dictionary" {	339	test "compressor dictionary" {
		340	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		341
332	const dict = "hello world";	342	const dict = "hello world";
333	const text = "hello again world";	343	const text = "hello again world";
334		344
...	@@ -375,6 +385,8 @@ test "compressor dictionary" {	...	@@ -375,6 +385,8 @@ test "compressor dictionary" {
375	// Update the hash for best_speed only if d.index < d.maxInsertIndex	385	// Update the hash for best_speed only if d.index < d.maxInsertIndex
376	// See https://golang.org/issue/2508	386	// See https://golang.org/issue/2508
377	test "Go non-regression test for 2508" {	387	test "Go non-regression test for 2508" {
		388	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		389
378	var comp = try compressor(	390	var comp = try compressor(
379	testing.allocator,	391	testing.allocator,
380	io.null_writer,	392	io.null_writer,
...	@@ -392,6 +404,8 @@ test "Go non-regression test for 2508" {	...	@@ -392,6 +404,8 @@ test "Go non-regression test for 2508" {
392	}	404	}
393		405
394	test "deflate/inflate string" {	406	test "deflate/inflate string" {
		407	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		408
395	const StringTest = struct {	409	const StringTest = struct {
396	filename: []const u8,	410	filename: []const u8,
397	limit: [11]u32,	411	limit: [11]u32,
...	@@ -439,6 +453,8 @@ test "deflate/inflate string" {	...	@@ -439,6 +453,8 @@ test "deflate/inflate string" {
439	}	453	}
440		454
441	test "inflate reset" {	455	test "inflate reset" {
		456	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		457
442	const strings = [_][]const u8{	458	const strings = [_][]const u8{
443	"lorem ipsum izzle fo rizzle",	459	"lorem ipsum izzle fo rizzle",
444	"the quick brown fox jumped over",	460	"the quick brown fox jumped over",
...	@@ -485,6 +501,8 @@ test "inflate reset" {	...	@@ -485,6 +501,8 @@ test "inflate reset" {
485	}	501	}
486		502
487	test "inflate reset dictionary" {	503	test "inflate reset dictionary" {
		504	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		505
488	const dict = "the lorem fox";	506	const dict = "the lorem fox";
489	const strings = [_][]const u8{	507	const strings = [_][]const u8{
490	"lorem ipsum izzle fo rizzle",	508	"lorem ipsum izzle fo rizzle",

lib/std/compress/deflate/deflate_fast.zig+2

...	@@ -649,6 +649,8 @@ test "best speed shift offsets" {	...	@@ -649,6 +649,8 @@ test "best speed shift offsets" {
649	}	649	}
650		650
651	test "best speed reset" {	651	test "best speed reset" {
		652	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		653
652	// test that encoding is consistent across a warparound of the table offset.	654	// test that encoding is consistent across a warparound of the table offset.
653	// See https://github.com/golang/go/issues/34121	655	// See https://github.com/golang/go/issues/34121
654	const fmt = std.fmt;	656	const fmt = std.fmt;

lib/std/compress/deflate/deflate_fast_test.zig+5

...	@@ -1,4 +1,5 @@	...	@@ -1,4 +1,5 @@
1	const std = @import("std");	1	const std = @import("std");
		2	const builtin = @import("builtin");
2	const expect = std.testing.expect;	3	const expect = std.testing.expect;
3	const io = std.io;	4	const io = std.io;
4	const mem = std.mem;	5	const mem = std.mem;
...	@@ -11,6 +12,8 @@ const inflate = @import("decompressor.zig");	...	@@ -11,6 +12,8 @@ const inflate = @import("decompressor.zig");
11	const deflate_const = @import("deflate_const.zig");	12	const deflate_const = @import("deflate_const.zig");
12		13
13	test "best speed" {	14	test "best speed" {
		15	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		16
14	// Tests that round-tripping through deflate and then inflate recovers the original input.	17	// Tests that round-tripping through deflate and then inflate recovers the original input.
15	// The Write sizes are near the thresholds in the compressor.encSpeed method (0, 16, 128), as well	18	// The Write sizes are near the thresholds in the compressor.encSpeed method (0, 16, 128), as well
16	// as near `deflate_const.max_store_block_size` (65535).	19	// as near `deflate_const.max_store_block_size` (65535).
...	@@ -93,6 +96,8 @@ test "best speed" {	...	@@ -93,6 +96,8 @@ test "best speed" {
93	}	96	}
94		97
95	test "best speed max match offset" {	98	test "best speed max match offset" {
		99	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		100
96	const abc = "abcdefgh";	101	const abc = "abcdefgh";
97	const xyz = "stuvwxyz";	102	const xyz = "stuvwxyz";
98	const input_margin = 16 - 1;	103	const input_margin = 16 - 1;

lib/std/compress/deflate/huffman_bit_writer.zig+6

lib/std/compress/deflate/huffman_code.zig+2

...	@@ -360,6 +360,8 @@ fn byFreq(context: void, a: LiteralNode, b: LiteralNode) bool {	...	@@ -360,6 +360,8 @@ fn byFreq(context: void, a: LiteralNode, b: LiteralNode) bool {
360	}	360	}
361		361
362	test "generate a Huffman code from an array of frequencies" {	362	test "generate a Huffman code from an array of frequencies" {
		363	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		364
363	var freqs: [19]u16 = [_]u16{	365	var freqs: [19]u16 = [_]u16{
364	8, // 0	366	8, // 0
365	1, // 1	367	1, // 1

lib/std/compress/gzip.zig+2

...	@@ -174,6 +174,8 @@ fn testReader(data: []const u8, comptime expected: []const u8) !void {	...	@@ -174,6 +174,8 @@ fn testReader(data: []const u8, comptime expected: []const u8) !void {
174	// https://tools.ietf.org/rfc/rfc1952.txt length=25037 bytes	174	// https://tools.ietf.org/rfc/rfc1952.txt length=25037 bytes
175	// SHA256=164ef0897b4cbec63abf1b57f069f3599bd0fb7c72c2a4dee21bd7e03ec9af67	175	// SHA256=164ef0897b4cbec63abf1b57f069f3599bd0fb7c72c2a4dee21bd7e03ec9af67
176	test "compressed data" {	176	test "compressed data" {
		177	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		178
177	try testReader(	179	try testReader(
178	@embedFile("testdata/rfc1952.txt.gz"),	180	@embedFile("testdata/rfc1952.txt.gz"),
179	@embedFile("testdata/rfc1952.txt"),	181	@embedFile("testdata/rfc1952.txt"),

lib/std/compress/lzma/test.zig+17

...	@@ -1,4 +1,5 @@	...	@@ -1,4 +1,5 @@
1	const std = @import("../../std.zig");	1	const std = @import("../../std.zig");
		2	const builtin = @import("builtin");
2	const lzma = @import("../lzma.zig");	3	const lzma = @import("../lzma.zig");
3		4
4	fn testDecompress(compressed: []const u8) ![]u8 {	5	fn testDecompress(compressed: []const u8) ![]u8 {
...	@@ -22,6 +23,8 @@ fn testDecompressError(expected: anyerror, compressed: []const u8) !void {	...	@@ -22,6 +23,8 @@ fn testDecompressError(expected: anyerror, compressed: []const u8) !void {
22	}	23	}
23		24
24	test "LZMA: decompress empty world" {	25	test "LZMA: decompress empty world" {
		26	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		27
25	try testDecompressEqual(	28	try testDecompressEqual(
26	"",	29	"",
27	&[_]u8{	30	&[_]u8{
...	@@ -32,6 +35,8 @@ test "LZMA: decompress empty world" {	...	@@ -32,6 +35,8 @@ test "LZMA: decompress empty world" {
32	}	35	}
33		36
34	test "LZMA: decompress hello world" {	37	test "LZMA: decompress hello world" {
		38	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		39
35	try testDecompressEqual(	40	try testDecompressEqual(
36	"Hello world\n",	41	"Hello world\n",
37	&[_]u8{	42	&[_]u8{
...	@@ -43,6 +48,8 @@ test "LZMA: decompress hello world" {	...	@@ -43,6 +48,8 @@ test "LZMA: decompress hello world" {
43	}	48	}
44		49
45	test "LZMA: decompress huge dict" {	50	test "LZMA: decompress huge dict" {
		51	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		52
46	try testDecompressEqual(	53	try testDecompressEqual(
47	"Hello world\n",	54	"Hello world\n",
48	&[_]u8{	55	&[_]u8{
...	@@ -54,6 +61,8 @@ test "LZMA: decompress huge dict" {	...	@@ -54,6 +61,8 @@ test "LZMA: decompress huge dict" {
54	}	61	}
55		62
56	test "LZMA: unknown size with end of payload marker" {	63	test "LZMA: unknown size with end of payload marker" {
		64	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		65
57	try testDecompressEqual(	66	try testDecompressEqual(
58	"Hello\nWorld!\n",	67	"Hello\nWorld!\n",
59	@embedFile("testdata/good-unknown_size-with_eopm.lzma"),	68	@embedFile("testdata/good-unknown_size-with_eopm.lzma"),
...	@@ -61,6 +70,8 @@ test "LZMA: unknown size with end of payload marker" {	...	@@ -61,6 +70,8 @@ test "LZMA: unknown size with end of payload marker" {
61	}	70	}
62		71
63	test "LZMA: known size without end of payload marker" {	72	test "LZMA: known size without end of payload marker" {
		73	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		74
64	try testDecompressEqual(	75	try testDecompressEqual(
65	"Hello\nWorld!\n",	76	"Hello\nWorld!\n",
66	@embedFile("testdata/good-known_size-without_eopm.lzma"),	77	@embedFile("testdata/good-known_size-without_eopm.lzma"),
...	@@ -68,6 +79,8 @@ test "LZMA: known size without end of payload marker" {	...	@@ -68,6 +79,8 @@ test "LZMA: known size without end of payload marker" {
68	}	79	}
69		80
70	test "LZMA: known size with end of payload marker" {	81	test "LZMA: known size with end of payload marker" {
		82	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		83
71	try testDecompressEqual(	84	try testDecompressEqual(
72	"Hello\nWorld!\n",	85	"Hello\nWorld!\n",
73	@embedFile("testdata/good-known_size-with_eopm.lzma"),	86	@embedFile("testdata/good-known_size-with_eopm.lzma"),
...	@@ -75,6 +88,8 @@ test "LZMA: known size with end of payload marker" {	...	@@ -75,6 +88,8 @@ test "LZMA: known size with end of payload marker" {
75	}	88	}
76		89
77	test "LZMA: too big uncompressed size in header" {	90	test "LZMA: too big uncompressed size in header" {
		91	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		92
78	try testDecompressError(	93	try testDecompressError(
79	error.CorruptInput,	94	error.CorruptInput,
80	@embedFile("testdata/bad-too_big_size-with_eopm.lzma"),	95	@embedFile("testdata/bad-too_big_size-with_eopm.lzma"),
...	@@ -82,6 +97,8 @@ test "LZMA: too big uncompressed size in header" {	...	@@ -82,6 +97,8 @@ test "LZMA: too big uncompressed size in header" {
82	}	97	}
83		98
84	test "LZMA: too small uncompressed size in header" {	99	test "LZMA: too small uncompressed size in header" {
		100	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		101
85	try testDecompressError(	102	try testDecompressError(
86	error.CorruptInput,	103	error.CorruptInput,
87	@embedFile("testdata/bad-too_small_size-without_eopm-3.lzma"),	104	@embedFile("testdata/bad-too_small_size-without_eopm-3.lzma"),

lib/std/compress/lzma/vec2d.zig+2

...	@@ -50,6 +50,8 @@ const expectEqualSlices = std.testing.expectEqualSlices;	...	@@ -50,6 +50,8 @@ const expectEqualSlices = std.testing.expectEqualSlices;
50	const expectError = std.testing.expectError;	50	const expectError = std.testing.expectError;
51		51
52	test "Vec2D.init" {	52	test "Vec2D.init" {
		53	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		54
53	const allocator = testing.allocator;	55	const allocator = testing.allocator;
54	var vec2d = try Vec2D(i32).init(allocator, 1, .{ 2, 3 });	56	var vec2d = try Vec2D(i32).init(allocator, 1, .{ 2, 3 });
55	defer vec2d.deinit(allocator);	57	defer vec2d.deinit(allocator);

lib/std/compress/xz/test.zig+2

...	@@ -19,6 +19,8 @@ fn testReader(data: []const u8, comptime expected: []const u8) !void {	...	@@ -19,6 +19,8 @@ fn testReader(data: []const u8, comptime expected: []const u8) !void {
19	}	19	}
20		20
21	test "compressed data" {	21	test "compressed data" {
		22	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		23
22	try testReader(@embedFile("testdata/good-0-empty.xz"), "");	24	try testReader(@embedFile("testdata/good-0-empty.xz"), "");
23		25
24	inline for ([_][]const u8{	26	inline for ([_][]const u8{

lib/std/compress/zlib.zig+4

...	@@ -199,6 +199,8 @@ fn testDecompress(data: []const u8, expected: []const u8) !void {	...	@@ -199,6 +199,8 @@ fn testDecompress(data: []const u8, expected: []const u8) !void {
199	// https://tools.ietf.org/rfc/rfc1951.txt length=36944 bytes	199	// https://tools.ietf.org/rfc/rfc1951.txt length=36944 bytes
200	// SHA256=5ebf4b5b7fe1c3a0c0ab9aa3ac8c0f3853a7dc484905e76e03b0b0f301350009	200	// SHA256=5ebf4b5b7fe1c3a0c0ab9aa3ac8c0f3853a7dc484905e76e03b0b0f301350009
201	test "compressed data" {	201	test "compressed data" {
		202	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		203
202	const rfc1951_txt = @embedFile("testdata/rfc1951.txt");	204	const rfc1951_txt = @embedFile("testdata/rfc1951.txt");
203		205
204	// Compressed with compression level = 0	206	// Compressed with compression level = 0
...	@@ -264,6 +266,8 @@ test "sanity checks" {	...	@@ -264,6 +266,8 @@ test "sanity checks" {
264	}	266	}
265		267
266	test "compress data" {	268	test "compress data" {
		269	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		270
267	const allocator = testing.allocator;	271	const allocator = testing.allocator;
268	const rfc1951_txt = @embedFile("testdata/rfc1951.txt");	272	const rfc1951_txt = @embedFile("testdata/rfc1951.txt");
269		273

lib/std/compress/zstandard.zig+2

...	@@ -264,6 +264,8 @@ fn testReader(data: []const u8, comptime expected: []const u8) !void {	...	@@ -264,6 +264,8 @@ fn testReader(data: []const u8, comptime expected: []const u8) !void {
264	}	264	}
265		265
266	test "zstandard decompression" {	266	test "zstandard decompression" {
		267	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		268
267	const uncompressed = @embedFile("testdata/rfc8478.txt");	269	const uncompressed = @embedFile("testdata/rfc8478.txt");
268	const compressed3 = @embedFile("testdata/rfc8478.txt.zst.3");	270	const compressed3 = @embedFile("testdata/rfc8478.txt.zst.3");
269	const compressed19 = @embedFile("testdata/rfc8478.txt.zst.19");	271	const compressed19 = @embedFile("testdata/rfc8478.txt.zst.19");

lib/std/crypto.zig+2

...	@@ -314,6 +314,8 @@ test "CSPRNG" {	...	@@ -314,6 +314,8 @@ test "CSPRNG" {
314	}	314	}
315		315
316	test "issue #4532: no index out of bounds" {	316	test "issue #4532: no index out of bounds" {
		317	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		318
317	const types = [_]type{	319	const types = [_]type{
318	hash.Md5,	320	hash.Md5,
319	hash.Sha1,	321	hash.Sha1,

lib/std/crypto/25519/curve25519.zig+5

...	@@ -1,4 +1,5 @@	...	@@ -1,4 +1,5 @@
1	const std = @import("std");	1	const std = @import("std");
		2	const builtin = @import("builtin");
2	const crypto = std.crypto;	3	const crypto = std.crypto;
3		4
4	const IdentityElementError = crypto.errors.IdentityElementError;	5	const IdentityElementError = crypto.errors.IdentityElementError;
...	@@ -111,6 +112,8 @@ pub const Curve25519 = struct {	...	@@ -111,6 +112,8 @@ pub const Curve25519 = struct {
111	};	112	};
112		113
113	test "curve25519" {	114	test "curve25519" {
		115	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		116
114	var s = [32]u8{ 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8 };	117	var s = [32]u8{ 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8 };
115	const p = try Curve25519.basePoint.clampedMul(s);	118	const p = try Curve25519.basePoint.clampedMul(s);
116	try p.rejectIdentity();	119	try p.rejectIdentity();
...	@@ -125,6 +128,8 @@ test "curve25519" {	...	@@ -125,6 +128,8 @@ test "curve25519" {
125	}	128	}
126		129
127	test "curve25519 small order check" {	130	test "curve25519 small order check" {
		131	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		132
128	var s: [32]u8 = [_]u8{1} ++ [_]u8{0} ** 31;	133	var s: [32]u8 = [_]u8{1} ++ [_]u8{0} ** 31;
129	const small_order_ss: [7][32]u8 = .{	134	const small_order_ss: [7][32]u8 = .{
130	.{	135	.{

lib/std/crypto/25519/ed25519.zig+15-1

...	@@ -1,5 +1,5 @@	...	@@ -1,5 +1,5 @@
1	const builtin = @import("builtin");
2	const std = @import("std");	1	const std = @import("std");
		2	const builtin = @import("builtin");
3	const crypto = std.crypto;	3	const crypto = std.crypto;
4	const debug = std.debug;	4	const debug = std.debug;
5	const fmt = std.fmt;	5	const fmt = std.fmt;
...	@@ -484,6 +484,8 @@ pub const Ed25519 = struct {	...	@@ -484,6 +484,8 @@ pub const Ed25519 = struct {
484	};	484	};
485		485
486	test "ed25519 key pair creation" {	486	test "ed25519 key pair creation" {
		487	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		488
487	var seed: [32]u8 = undefined;	489	var seed: [32]u8 = undefined;
488	_ = try fmt.hexToBytes(seed[0..], "8052030376d47112be7f73ed7a019293dd12ad910b654455798b4667d73de166");	490	_ = try fmt.hexToBytes(seed[0..], "8052030376d47112be7f73ed7a019293dd12ad910b654455798b4667d73de166");
489	const key_pair = try Ed25519.KeyPair.create(seed);	491	const key_pair = try Ed25519.KeyPair.create(seed);
...	@@ -493,6 +495,8 @@ test "ed25519 key pair creation" {	...	@@ -493,6 +495,8 @@ test "ed25519 key pair creation" {
493	}	495	}
494		496
495	test "ed25519 signature" {	497	test "ed25519 signature" {
		498	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		499
496	var seed: [32]u8 = undefined;	500	var seed: [32]u8 = undefined;
497	_ = try fmt.hexToBytes(seed[0..], "8052030376d47112be7f73ed7a019293dd12ad910b654455798b4667d73de166");	501	_ = try fmt.hexToBytes(seed[0..], "8052030376d47112be7f73ed7a019293dd12ad910b654455798b4667d73de166");
498	const key_pair = try Ed25519.KeyPair.create(seed);	502	const key_pair = try Ed25519.KeyPair.create(seed);
...	@@ -505,6 +509,8 @@ test "ed25519 signature" {	...	@@ -505,6 +509,8 @@ test "ed25519 signature" {
505	}	509	}
506		510
507	test "ed25519 batch verification" {	511	test "ed25519 batch verification" {
		512	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		513
508	var i: usize = 0;	514	var i: usize = 0;
509	while (i < 100) : (i += 1) {	515	while (i < 100) : (i += 1) {
510	const key_pair = try Ed25519.KeyPair.create(null);	516	const key_pair = try Ed25519.KeyPair.create(null);
...	@@ -534,6 +540,8 @@ test "ed25519 batch verification" {	...	@@ -534,6 +540,8 @@ test "ed25519 batch verification" {
534	}	540	}
535		541
536	test "ed25519 test vectors" {	542	test "ed25519 test vectors" {
		543	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		544
537	const Vec = struct {	545	const Vec = struct {
538	msg_hex: *const [64:0]u8,	546	msg_hex: *const [64:0]u8,
539	public_key_hex: *const [64:0]u8,	547	public_key_hex: *const [64:0]u8,
...	@@ -636,6 +644,8 @@ test "ed25519 test vectors" {	...	@@ -636,6 +644,8 @@ test "ed25519 test vectors" {
636	}	644	}
637		645
638	test "ed25519 with blind keys" {	646	test "ed25519 with blind keys" {
		647	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		648
639	const BlindKeyPair = Ed25519.key_blinding.BlindKeyPair;	649	const BlindKeyPair = Ed25519.key_blinding.BlindKeyPair;
640		650
641	// Create a standard Ed25519 key pair	651	// Create a standard Ed25519 key pair
...	@@ -659,6 +669,8 @@ test "ed25519 with blind keys" {	...	@@ -659,6 +669,8 @@ test "ed25519 with blind keys" {
659	}	669	}
660		670
661	test "ed25519 signatures with streaming" {	671	test "ed25519 signatures with streaming" {
		672	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		673
662	const kp = try Ed25519.KeyPair.create(null);	674	const kp = try Ed25519.KeyPair.create(null);
663		675
664	var signer = try kp.signer(null);	676	var signer = try kp.signer(null);
...	@@ -675,6 +687,8 @@ test "ed25519 signatures with streaming" {	...	@@ -675,6 +687,8 @@ test "ed25519 signatures with streaming" {
675	}	687	}
676		688
677	test "ed25519 key pair from secret key" {	689	test "ed25519 key pair from secret key" {
		690	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		691
678	const kp = try Ed25519.KeyPair.create(null);	692	const kp = try Ed25519.KeyPair.create(null);
679	const kp2 = try Ed25519.KeyPair.fromSecretKey(kp.secret_key);	693	const kp2 = try Ed25519.KeyPair.fromSecretKey(kp.secret_key);
680	try std.testing.expectEqualSlices(u8, &kp.secret_key.toBytes(), &kp2.secret_key.toBytes());	694	try std.testing.expectEqualSlices(u8, &kp.secret_key.toBytes(), &kp2.secret_key.toBytes());

lib/std/crypto/25519/edwards25519.zig+11

...	@@ -1,4 +1,5 @@	...	@@ -1,4 +1,5 @@
1	const std = @import("std");	1	const std = @import("std");
		2	const builtin = @import("builtin");
2	const crypto = std.crypto;	3	const crypto = std.crypto;
3	const debug = std.debug;	4	const debug = std.debug;
4	const fmt = std.fmt;	5	const fmt = std.fmt;
...	@@ -494,6 +495,8 @@ pub const Edwards25519 = struct {	...	@@ -494,6 +495,8 @@ pub const Edwards25519 = struct {
494	const htest = @import("../test.zig");	495	const htest = @import("../test.zig");
495		496
496	test "edwards25519 packing/unpacking" {	497	test "edwards25519 packing/unpacking" {
		498	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		499
497	const s = [_]u8{170} ++ [_]u8{0} ** 31;	500	const s = [_]u8{170} ++ [_]u8{0} ** 31;
498	var b = Edwards25519.basePoint;	501	var b = Edwards25519.basePoint;
499	const pk = try b.mul(s);	502	const pk = try b.mul(s);
...	@@ -530,6 +533,8 @@ test "edwards25519 packing/unpacking" {	...	@@ -530,6 +533,8 @@ test "edwards25519 packing/unpacking" {
530	}	533	}
531		534
532	test "edwards25519 point addition/subtraction" {	535	test "edwards25519 point addition/subtraction" {
		536	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		537
533	var s1: [32]u8 = undefined;	538	var s1: [32]u8 = undefined;
534	var s2: [32]u8 = undefined;	539	var s2: [32]u8 = undefined;
535	crypto.random.bytes(&s1);	540	crypto.random.bytes(&s1);
...	@@ -544,6 +549,8 @@ test "edwards25519 point addition/subtraction" {	...	@@ -544,6 +549,8 @@ test "edwards25519 point addition/subtraction" {
544	}	549	}
545		550
546	test "edwards25519 uniform-to-point" {	551	test "edwards25519 uniform-to-point" {
		552	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		553
547	var r = [32]u8{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 };	554	var r = [32]u8{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 };
548	var p = Edwards25519.fromUniform(r);	555	var p = Edwards25519.fromUniform(r);
549	try htest.assertEqual("0691eee3cf70a0056df6bfa03120635636581b5c4ea571dfc680f78c7e0b4137", p.toBytes()[0..]);	556	try htest.assertEqual("0691eee3cf70a0056df6bfa03120635636581b5c4ea571dfc680f78c7e0b4137", p.toBytes()[0..]);
...	@@ -555,6 +562,8 @@ test "edwards25519 uniform-to-point" {	...	@@ -555,6 +562,8 @@ test "edwards25519 uniform-to-point" {
555		562
556	// Test vectors from draft-irtf-cfrg-hash-to-curve-12	563	// Test vectors from draft-irtf-cfrg-hash-to-curve-12
557	test "edwards25519 hash-to-curve operation" {	564	test "edwards25519 hash-to-curve operation" {
		565	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		566
558	var p = Edwards25519.fromString(true, "QUUX-V01-CS02-with-edwards25519_XMD:SHA-512_ELL2_RO_", "abc");	567	var p = Edwards25519.fromString(true, "QUUX-V01-CS02-with-edwards25519_XMD:SHA-512_ELL2_RO_", "abc");
559	try htest.assertEqual("31558a26887f23fb8218f143e69d5f0af2e7831130bd5b432ef23883b895839a", p.toBytes()[0..]);	568	try htest.assertEqual("31558a26887f23fb8218f143e69d5f0af2e7831130bd5b432ef23883b895839a", p.toBytes()[0..]);
560		569
...	@@ -563,6 +572,8 @@ test "edwards25519 hash-to-curve operation" {	...	@@ -563,6 +572,8 @@ test "edwards25519 hash-to-curve operation" {
563	}	572	}
564		573
565	test "edwards25519 implicit reduction of invalid scalars" {	574	test "edwards25519 implicit reduction of invalid scalars" {
		575	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		576
566	const s = [_]u8{0} ** 31 ++ [_]u8{255};	577	const s = [_]u8{0} ** 31 ++ [_]u8{255};
567	const p1 = try Edwards25519.basePoint.mulPublic(s);	578	const p1 = try Edwards25519.basePoint.mulPublic(s);
568	const p2 = try Edwards25519.basePoint.mul(s);	579	const p2 = try Edwards25519.basePoint.mul(s);

lib/std/crypto/25519/ristretto255.zig+2

...	@@ -168,6 +168,8 @@ pub const Ristretto255 = struct {	...	@@ -168,6 +168,8 @@ pub const Ristretto255 = struct {
168	};	168	};
169		169
170	test "ristretto255" {	170	test "ristretto255" {
		171	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		172
171	const p = Ristretto255.basePoint;	173	const p = Ristretto255.basePoint;
172	var buf: [256]u8 = undefined;	174	var buf: [256]u8 = undefined;
173	try std.testing.expectEqualStrings(try std.fmt.bufPrint(&buf, "{s}", .{std.fmt.fmtSliceHexUpper(&p.toBytes())}), "E2F2AE0A6ABC4E71A884A961C500515F58E30B6AA582DD8DB6A65945E08D2D76");	175	try std.testing.expectEqualStrings(try std.fmt.bufPrint(&buf, "{s}", .{std.fmt.fmtSliceHexUpper(&p.toBytes())}), "E2F2AE0A6ABC4E71A884A961C500515F58E30B6AA582DD8DB6A65945E08D2D76");

lib/std/crypto/25519/x25519.zig+15

lib/std/crypto/Certificate.zig+6

lib/std/crypto/Certificate/Bundle.zig+2

...	@@ -318,6 +318,8 @@ const MapContext = struct {	...	@@ -318,6 +318,8 @@ const MapContext = struct {
318	test "scan for OS-provided certificates" {	318	test "scan for OS-provided certificates" {
319	if (builtin.os.tag == .wasi) return error.SkipZigTest;	319	if (builtin.os.tag == .wasi) return error.SkipZigTest;
320		320
		321	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		322
321	var bundle: Bundle = .{};	323	var bundle: Bundle = .{};
322	defer bundle.deinit(std.testing.allocator);	324	defer bundle.deinit(std.testing.allocator);
323		325

lib/std/crypto/aegis.zig+15

lib/std/crypto/aes.zig+10

...	@@ -28,6 +28,8 @@ pub const Aes128 = impl.Aes128;	...	@@ -28,6 +28,8 @@ pub const Aes128 = impl.Aes128;
28	pub const Aes256 = impl.Aes256;	28	pub const Aes256 = impl.Aes256;
29		29
30	test "ctr" {	30	test "ctr" {
		31	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		32
31	// NIST SP 800-38A pp 55-58	33	// NIST SP 800-38A pp 55-58
32	const ctr = @import("modes.zig").ctr;	34	const ctr = @import("modes.zig").ctr;
33		35
...	@@ -53,6 +55,8 @@ test "ctr" {	...	@@ -53,6 +55,8 @@ test "ctr" {
53	}	55	}
54		56
55	test "encrypt" {	57	test "encrypt" {
		58	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		59
56	// Appendix B	60	// Appendix B
57	{	61	{
58	const key = [_]u8{ 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c };	62	const key = [_]u8{ 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c };
...	@@ -82,6 +86,8 @@ test "encrypt" {	...	@@ -82,6 +86,8 @@ test "encrypt" {
82	}	86	}
83		87
84	test "decrypt" {	88	test "decrypt" {
		89	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		90
85	// Appendix B	91	// Appendix B
86	{	92	{
87	const key = [_]u8{ 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c };	93	const key = [_]u8{ 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c };
...	@@ -111,6 +117,8 @@ test "decrypt" {	...	@@ -111,6 +117,8 @@ test "decrypt" {
111	}	117	}
112		118
113	test "expand 128-bit key" {	119	test "expand 128-bit key" {
		120	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		121
114	const key = [_]u8{ 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c };	122	const key = [_]u8{ 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c };
115	const exp_enc = [_]*const [32:0]u8{	123	const exp_enc = [_]*const [32:0]u8{
116	"2b7e151628aed2a6abf7158809cf4f3c", "a0fafe1788542cb123a339392a6c7605", "f2c295f27a96b9435935807a7359f67f", "3d80477d4716fe3e1e237e446d7a883b", "ef44a541a8525b7fb671253bdb0bad00", "d4d1c6f87c839d87caf2b8bc11f915bc", "6d88a37a110b3efddbf98641ca0093fd", "4e54f70e5f5fc9f384a64fb24ea6dc4f", "ead27321b58dbad2312bf5607f8d292f", "ac7766f319fadc2128d12941575c006e", "d014f9a8c9ee2589e13f0cc8b6630ca6",	124	"2b7e151628aed2a6abf7158809cf4f3c", "a0fafe1788542cb123a339392a6c7605", "f2c295f27a96b9435935807a7359f67f", "3d80477d4716fe3e1e237e446d7a883b", "ef44a541a8525b7fb671253bdb0bad00", "d4d1c6f87c839d87caf2b8bc11f915bc", "6d88a37a110b3efddbf98641ca0093fd", "4e54f70e5f5fc9f384a64fb24ea6dc4f", "ead27321b58dbad2312bf5607f8d292f", "ac7766f319fadc2128d12941575c006e", "d014f9a8c9ee2589e13f0cc8b6630ca6",
...	@@ -133,6 +141,8 @@ test "expand 128-bit key" {	...	@@ -133,6 +141,8 @@ test "expand 128-bit key" {
133	}	141	}
134		142
135	test "expand 256-bit key" {	143	test "expand 256-bit key" {
		144	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		145
136	const key = [_]u8{	146	const key = [_]u8{
137	0x60, 0x3d, 0xeb, 0x10,	147	0x60, 0x3d, 0xeb, 0x10,
138	0x15, 0xca, 0x71, 0xbe,	148	0x15, 0xca, 0x71, 0xbe,

lib/std/crypto/aes_gcm.zig+9

lib/std/crypto/aes_ocb.zig+16-4

 @@ -261,7 +261,10 @@ inline fn xorWith(x: *Block, y: Block) void {
 const hexToBytes = std.fmt.hexToBytes;
 test "AesOcb test vector 1" {
-    if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;
+    switch (builtin.zig_backend) {
+        .stage2_c, .stage2_x86_64 => return error.SkipZigTest,
+        else => {},
+    }
     var k: [Aes128Ocb.key_length]u8 = undefined;
     var nonce: [Aes128Ocb.nonce_length]u8 = undefined;
 @@ -280,7 +283,10 @@ test "AesOcb test vector 1" {
 }
 test "AesOcb test vector 2" {
-    if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;
+    switch (builtin.zig_backend) {
+        .stage2_c, .stage2_x86_64 => return error.SkipZigTest,
+        else => {},
+    }
     var k: [Aes128Ocb.key_length]u8 = undefined;
     var nonce: [Aes128Ocb.nonce_length]u8 = undefined;
 @@ -301,7 +307,10 @@ test "AesOcb test vector 2" {
 }
 test "AesOcb test vector 3" {
-    if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;
+    switch (builtin.zig_backend) {
+        .stage2_c, .stage2_x86_64 => return error.SkipZigTest,
+        else => {},
+    }
     var k: [Aes128Ocb.key_length]u8 = undefined;
     var nonce: [Aes128Ocb.nonce_length]u8 = undefined;
 @@ -325,7 +334,10 @@ test "AesOcb test vector 3" {
 }
 test "AesOcb test vector 4" {
-    if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;
+    switch (builtin.zig_backend) {
+        .stage2_c, .stage2_x86_64 => return error.SkipZigTest,
+        else => {},
+    }
     var k: [Aes128Ocb.key_length]u8 = undefined;
     var nonce: [Aes128Ocb.nonce_length]u8 = undefined;

lib/std/crypto/argon2.zig+14

...	@@ -622,6 +622,8 @@ pub fn strVerify(	...	@@ -622,6 +622,8 @@ pub fn strVerify(
622	}	622	}
623		623
624	test "argon2d" {	624	test "argon2d" {
		625	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		626
625	const password = [_]u8{0x01} ** 32;	627	const password = [_]u8{0x01} ** 32;
626	const salt = [_]u8{0x02} ** 16;	628	const salt = [_]u8{0x02} ** 16;
627	const secret = [_]u8{0x03} ** 8;	629	const secret = [_]u8{0x03} ** 8;
...	@@ -647,6 +649,8 @@ test "argon2d" {	...	@@ -647,6 +649,8 @@ test "argon2d" {
647	}	649	}
648		650
649	test "argon2i" {	651	test "argon2i" {
		652	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		653
650	const password = [_]u8{0x01} ** 32;	654	const password = [_]u8{0x01} ** 32;
651	const salt = [_]u8{0x02} ** 16;	655	const salt = [_]u8{0x02} ** 16;
652	const secret = [_]u8{0x03} ** 8;	656	const secret = [_]u8{0x03} ** 8;
...	@@ -672,6 +676,8 @@ test "argon2i" {	...	@@ -672,6 +676,8 @@ test "argon2i" {
672	}	676	}
673		677
674	test "argon2id" {	678	test "argon2id" {
		679	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		680
675	const password = [_]u8{0x01} ** 32;	681	const password = [_]u8{0x01} ** 32;
676	const salt = [_]u8{0x02} ** 16;	682	const salt = [_]u8{0x02} ** 16;
677	const secret = [_]u8{0x03} ** 8;	683	const secret = [_]u8{0x03} ** 8;
...	@@ -697,6 +703,8 @@ test "argon2id" {	...	@@ -697,6 +703,8 @@ test "argon2id" {
697	}	703	}
698		704
699	test "kdf" {	705	test "kdf" {
		706	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		707
700	const password = "password";	708	const password = "password";
701	const salt = "somesalt";	709	const salt = "somesalt";
702		710
...	@@ -896,6 +904,8 @@ test "kdf" {	...	@@ -896,6 +904,8 @@ test "kdf" {
896	}	904	}
897		905
898	test "phc format hasher" {	906	test "phc format hasher" {
		907	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		908
899	const allocator = std.testing.allocator;	909	const allocator = std.testing.allocator;
900	const password = "testpass";	910	const password = "testpass";
901		911
...	@@ -911,6 +921,8 @@ test "phc format hasher" {	...	@@ -911,6 +921,8 @@ test "phc format hasher" {
911	}	921	}
912		922
913	test "password hash and password verify" {	923	test "password hash and password verify" {
		924	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		925
914	const allocator = std.testing.allocator;	926	const allocator = std.testing.allocator;
915	const password = "testpass";	927	const password = "testpass";
916		928
...	@@ -924,6 +936,8 @@ test "password hash and password verify" {	...	@@ -924,6 +936,8 @@ test "password hash and password verify" {
924	}	936	}
925		937
926	test "kdf derived key length" {	938	test "kdf derived key length" {
		939	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		940
927	const allocator = std.testing.allocator;	941	const allocator = std.testing.allocator;
928		942
929	const password = "testpass";	943	const password = "testpass";

lib/std/crypto/bcrypt.zig+7

...	@@ -1,4 +1,5 @@	...	@@ -1,4 +1,5 @@
1	const std = @import("std");	1	const std = @import("std");
		2	const builtin = @import("builtin");
2	const base64 = std.base64;	3	const base64 = std.base64;
3	const crypto = std.crypto;	4	const crypto = std.crypto;
4	const debug = std.debug;	5	const debug = std.debug;
...	@@ -753,6 +754,8 @@ pub fn strVerify(	...	@@ -753,6 +754,8 @@ pub fn strVerify(
753	}	754	}
754		755
755	test "bcrypt codec" {	756	test "bcrypt codec" {
		757	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		758
756	var salt: [salt_length]u8 = undefined;	759	var salt: [salt_length]u8 = undefined;
757	crypto.random.bytes(&salt);	760	crypto.random.bytes(&salt);
758	var salt_str: [salt_str_length]u8 = undefined;	761	var salt_str: [salt_str_length]u8 = undefined;
...	@@ -763,6 +766,8 @@ test "bcrypt codec" {	...	@@ -763,6 +766,8 @@ test "bcrypt codec" {
763	}	766	}
764		767
765	test "bcrypt crypt format" {	768	test "bcrypt crypt format" {
		769	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		770
766	var hash_options = HashOptions{	771	var hash_options = HashOptions{
767	.params = .{ .rounds_log = 5 },	772	.params = .{ .rounds_log = 5 },
768	.encoding = .crypt,	773	.encoding = .crypt,
...	@@ -803,6 +808,8 @@ test "bcrypt crypt format" {	...	@@ -803,6 +808,8 @@ test "bcrypt crypt format" {
803	}	808	}
804		809
805	test "bcrypt phc format" {	810	test "bcrypt phc format" {
		811	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		812
806	var hash_options = HashOptions{	813	var hash_options = HashOptions{
807	.params = .{ .rounds_log = 5 },	814	.params = .{ .rounds_log = 5 },
808	.encoding = .phc,	815	.encoding = .phc,

lib/std/crypto/blake3.zig+3-1

...	@@ -200,7 +200,7 @@ const CompressGeneric = struct {	...	@@ -200,7 +200,7 @@ const CompressGeneric = struct {
200	}	200	}
201	};	201	};
202		202
203	const compress = if (builtin.cpu.arch == .x86_64)	203	const compress = if (builtin.cpu.arch == .x86_64 and builtin.zig_backend != .stage2_x86_64)
204	CompressVectorized.compress	204	CompressVectorized.compress
205	else	205	else
206	CompressGeneric.compress;	206	CompressGeneric.compress;
...	@@ -682,6 +682,8 @@ fn testBlake3(hasher: *Blake3, input_len: usize, expected_hex: [262]u8) !void {	...	@@ -682,6 +682,8 @@ fn testBlake3(hasher: *Blake3, input_len: usize, expected_hex: [262]u8) !void {
682	}	682	}
683		683
684	test "BLAKE3 reference test cases" {	684	test "BLAKE3 reference test cases" {
		685	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		686
685	var hash_state = Blake3.init(.{});	687	var hash_state = Blake3.init(.{});
686	const hash = &hash_state;	688	const hash = &hash_state;
687	var keyed_hash_state = Blake3.init(.{ .key = reference_test.key.* });	689	var keyed_hash_state = Blake3.init(.{ .key = reference_test.key.* });

lib/std/crypto/chacha20.zig+22

lib/std/crypto/cmac.zig+9

...	@@ -1,4 +1,5 @@	...	@@ -1,4 +1,5 @@
1	const std = @import("std");	1	const std = @import("std");
		2	const builtin = @import("builtin");
2	const crypto = std.crypto;	3	const crypto = std.crypto;
3	const mem = std.mem;	4	const mem = std.mem;
4		5
...	@@ -93,6 +94,8 @@ pub fn Cmac(comptime BlockCipher: type) type {	...	@@ -93,6 +94,8 @@ pub fn Cmac(comptime BlockCipher: type) type {
93	const testing = std.testing;	94	const testing = std.testing;
94		95
95	test "CmacAes128 - Example 1: len = 0" {	96	test "CmacAes128 - Example 1: len = 0" {
		97	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		98
96	const key = [_]u8{	99	const key = [_]u8{
97	0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c,	100	0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c,
98	};	101	};
...	@@ -106,6 +109,8 @@ test "CmacAes128 - Example 1: len = 0" {	...	@@ -106,6 +109,8 @@ test "CmacAes128 - Example 1: len = 0" {
106	}	109	}
107		110
108	test "CmacAes128 - Example 2: len = 16" {	111	test "CmacAes128 - Example 2: len = 16" {
		112	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		113
109	const key = [_]u8{	114	const key = [_]u8{
110	0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c,	115	0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c,
111	};	116	};
...	@@ -121,6 +126,8 @@ test "CmacAes128 - Example 2: len = 16" {	...	@@ -121,6 +126,8 @@ test "CmacAes128 - Example 2: len = 16" {
121	}	126	}
122		127
123	test "CmacAes128 - Example 3: len = 40" {	128	test "CmacAes128 - Example 3: len = 40" {
		129	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		130
124	const key = [_]u8{	131	const key = [_]u8{
125	0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c,	132	0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c,
126	};	133	};
...	@@ -138,6 +145,8 @@ test "CmacAes128 - Example 3: len = 40" {	...	@@ -138,6 +145,8 @@ test "CmacAes128 - Example 3: len = 40" {
138	}	145	}
139		146
140	test "CmacAes128 - Example 4: len = 64" {	147	test "CmacAes128 - Example 4: len = 64" {
		148	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		149
141	const key = [_]u8{	150	const key = [_]u8{
142	0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c,	151	0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c,
143	};	152	};

lib/std/crypto/ecdsa.zig+24-6

 @@ -372,7 +372,10 @@ pub fn Ecdsa(comptime Curve: type, comptime Hash: type) type {
 }
 test "ECDSA - Basic operations over EcdsaP384Sha384" {
-    if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;
+    switch (builtin.zig_backend) {
+        .stage2_c, .stage2_x86_64 => return error.SkipZigTest,
+        else => {},
+    }
     const Scheme = EcdsaP384Sha384;
     const kp = try Scheme.KeyPair.create(null);
 @@ -388,7 +391,10 @@ test "ECDSA - Basic operations over EcdsaP384Sha384" {
 }
 test "ECDSA - Basic operations over Secp256k1" {
-    if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;
+    switch (builtin.zig_backend) {
+        .stage2_c, .stage2_x86_64 => return error.SkipZigTest,
+        else => {},
+    }
     const Scheme = EcdsaSecp256k1Sha256oSha256;
     const kp = try Scheme.KeyPair.create(null);
 @@ -404,7 +410,10 @@ test "ECDSA - Basic operations over Secp256k1" {
 }
 test "ECDSA - Basic operations over EcdsaP384Sha256" {
-    if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;
+    switch (builtin.zig_backend) {
+        .stage2_c, .stage2_x86_64 => return error.SkipZigTest,
+        else => {},
+    }
     const Scheme = Ecdsa(crypto.ecc.P384, crypto.hash.sha2.Sha256);
     const kp = try Scheme.KeyPair.create(null);
 @@ -420,7 +429,10 @@ test "ECDSA - Basic operations over EcdsaP384Sha256" {
 }
 test "ECDSA - Verifying a existing signature with EcdsaP384Sha256" {
-    if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;
+    switch (builtin.zig_backend) {
+        .stage2_c, .stage2_x86_64 => return error.SkipZigTest,
+        else => {},
+    }
     const Scheme = Ecdsa(crypto.ecc.P384, crypto.hash.sha2.Sha256);
     // zig fmt: off
 @@ -464,7 +476,10 @@ const TestVector = struct {
 };
 test "ECDSA - Test vectors from Project Wycheproof" {
-    if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;
+    switch (builtin.zig_backend) {
+        .stage2_c, .stage2_x86_64 => return error.SkipZigTest,
+        else => {},
+    }
     const vectors = [_]TestVector{
         .{ .key = "042927b10512bae3eddcfe467828128bad2903269919f7086069c8c4df6c732838c7787964eaac00e5921fb1498a60f4606766b3d9685001558d1a974e7341513e", .msg = "313233343030", .sig = "304402202ba3a8be6b94d5ec80a6d9d1190a436effe50d85a1eee859b8cc6af9bd5c2e1802204cd60b855d442f5b3c7b11eb6c4e0ae7525fe710fab9aa7c77a67f79e6fadd76", .result = .valid },
 @@ -878,7 +893,10 @@ fn tvTry(vector: TestVector) !void {
 }
 test "ECDSA - Sec1 encoding/decoding" {
-    if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;
+    switch (builtin.zig_backend) {
+        .stage2_c, .stage2_x86_64 => return error.SkipZigTest,
+        else => {},
+    }
     const Scheme = EcdsaP384Sha384;
     const kp = try Scheme.KeyPair.create(null);

lib/std/crypto/ff.zig+4-1

 @@ -912,7 +912,10 @@ const ct_unprotected = struct {
 };
 test {
-    if (@import("builtin").zig_backend == .stage2_c) return error.SkipZigTest;
+    switch (@import("builtin").zig_backend) {
+        .stage2_c, .stage2_x86_64 => return error.SkipZigTest,
+        else => {},
+    }
     const M = Modulus(256);
     const m = try M.fromPrimitive(u256, 3429938563481314093726330772853735541133072814650493833233);

lib/std/crypto/ghash_polyval.zig+6

...	@@ -422,6 +422,8 @@ fn Hash(comptime endian: std.builtin.Endian, comptime shift_key: bool) type {	...	@@ -422,6 +422,8 @@ fn Hash(comptime endian: std.builtin.Endian, comptime shift_key: bool) type {
422	const htest = @import("test.zig");	422	const htest = @import("test.zig");
423		423
424	test "ghash" {	424	test "ghash" {
		425	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		426
425	const key = [_]u8{0x42} ** 16;	427	const key = [_]u8{0x42} ** 16;
426	const m = [_]u8{0x69} ** 256;	428	const m = [_]u8{0x69} ** 256;
427		429
...	@@ -439,6 +441,8 @@ test "ghash" {	...	@@ -439,6 +441,8 @@ test "ghash" {
439	}	441	}
440		442
441	test "ghash2" {	443	test "ghash2" {
		444	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		445
442	var key: [16]u8 = undefined;	446	var key: [16]u8 = undefined;
443	var i: usize = 0;	447	var i: usize = 0;
444	while (i < key.len) : (i += 1) {	448	while (i < key.len) : (i += 1) {
...	@@ -472,6 +476,8 @@ test "ghash2" {	...	@@ -472,6 +476,8 @@ test "ghash2" {
472	}	476	}
473		477
474	test "polyval" {	478	test "polyval" {
		479	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		480
475	const key = [_]u8{0x42} ** 16;	481	const key = [_]u8{0x42} ** 16;
476	const m = [_]u8{0x69} ** 256;	482	const m = [_]u8{0x69} ** 256;
477		483

lib/std/crypto/hash_composition.zig+2

...	@@ -65,6 +65,8 @@ pub const Sha384oSha384 = Composition(sha2.Sha384, sha2.Sha384);	...	@@ -65,6 +65,8 @@ pub const Sha384oSha384 = Composition(sha2.Sha384, sha2.Sha384);
65	pub const Sha512oSha512 = Composition(sha2.Sha512, sha2.Sha512);	65	pub const Sha512oSha512 = Composition(sha2.Sha512, sha2.Sha512);
66		66
67	test "Hash composition" {	67	test "Hash composition" {
		68	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		69
68	const Sha256 = sha2.Sha256;	70	const Sha256 = sha2.Sha256;
69	const msg = "test";	71	const msg = "test";
70		72

lib/std/crypto/hkdf.zig+2

...	@@ -72,6 +72,8 @@ pub fn Hkdf(comptime Hmac: type) type {	...	@@ -72,6 +72,8 @@ pub fn Hkdf(comptime Hmac: type) type {
72	const htest = @import("test.zig");	72	const htest = @import("test.zig");
73		73
74	test "Hkdf" {	74	test "Hkdf" {
		75	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		76
75	const ikm = [_]u8{0x0b} ** 22;	77	const ikm = [_]u8{0x0b} ** 22;
76	const salt = [_]u8{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c };	78	const salt = [_]u8{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c };
77	const context = [_]u8{ 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9 };	79	const context = [_]u8{ 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9 };

lib/std/crypto/kyber_d00.zig+28

...	@@ -553,6 +553,8 @@ const inv_ntt_reductions = [_]i16{	...	@@ -553,6 +553,8 @@ const inv_ntt_reductions = [_]i16{
553	};	553	};
554		554
555	test "invNTTReductions bounds" {	555	test "invNTTReductions bounds" {
		556	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		557
556	// Checks whether the reductions proposed by invNTTReductions	558	// Checks whether the reductions proposed by invNTTReductions
557	// don't overflow during invNTT().	559	// don't overflow during invNTT().
558	var xs = [_]i32{1} ** 256; // start at \|x\| ≤ q	560	var xs = [_]i32{1} ** 256; // start at \|x\| ≤ q
...	@@ -656,6 +658,8 @@ fn montReduce(x: i32) i16 {	...	@@ -656,6 +658,8 @@ fn montReduce(x: i32) i16 {
656	}	658	}
657		659
658	test "Test montReduce" {	660	test "Test montReduce" {
		661	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		662
659	var rnd = RndGen.init(0);	663	var rnd = RndGen.init(0);
660	for (0..1000) \|_\| {	664	for (0..1000) \|_\| {
661	const bound = comptime @as(i32, Q) * (1 << 15);	665	const bound = comptime @as(i32, Q) * (1 << 15);
...	@@ -674,6 +678,8 @@ fn feToMont(x: i16) i16 {	...	@@ -674,6 +678,8 @@ fn feToMont(x: i16) i16 {
674	}	678	}
675		679
676	test "Test feToMont" {	680	test "Test feToMont" {
		681	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		682
677	var x: i32 = -(1 << 15);	683	var x: i32 = -(1 << 15);
678	while (x < 1 << 15) : (x += 1) {	684	while (x < 1 << 15) : (x += 1) {
679	const y = feToMont(@as(i16, @intCast(x)));	685	const y = feToMont(@as(i16, @intCast(x)));
...	@@ -707,6 +713,8 @@ fn feBarrettReduce(x: i16) i16 {	...	@@ -707,6 +713,8 @@ fn feBarrettReduce(x: i16) i16 {
707	}	713	}
708		714
709	test "Test Barrett reduction" {	715	test "Test Barrett reduction" {
		716	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		717
710	var x: i32 = -(1 << 15);	718	var x: i32 = -(1 << 15);
711	while (x < 1 << 15) : (x += 1) {	719	while (x < 1 << 15) : (x += 1) {
712	var y1 = feBarrettReduce(@as(i16, @intCast(x)));	720	var y1 = feBarrettReduce(@as(i16, @intCast(x)));
...	@@ -727,6 +735,8 @@ fn csubq(x: i16) i16 {	...	@@ -727,6 +735,8 @@ fn csubq(x: i16) i16 {
727	}	735	}
728		736
729	test "Test csubq" {	737	test "Test csubq" {
		738	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		739
730	var x: i32 = -29439;	740	var x: i32 = -29439;
731	while (x < 1 << 15) : (x += 1) {	741	while (x < 1 << 15) : (x += 1) {
732	const y1 = csubq(@as(i16, @intCast(x)));	742	const y1 = csubq(@as(i16, @intCast(x)));
...	@@ -1466,6 +1476,8 @@ fn cmov(comptime len: usize, dst: *[len]u8, src: [len]u8, b: u1) void {	...	@@ -1466,6 +1476,8 @@ fn cmov(comptime len: usize, dst: *[len]u8, src: [len]u8, b: u1) void {
1466	}	1476	}
1467		1477
1468	test "MulHat" {	1478	test "MulHat" {
		1479	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1480
1469	var rnd = RndGen.init(0);	1481	var rnd = RndGen.init(0);
1470		1482
1471	for (0..100) \|_\| {	1483	for (0..100) \|_\| {
...	@@ -1497,6 +1509,8 @@ test "MulHat" {	...	@@ -1497,6 +1509,8 @@ test "MulHat" {
1497	}	1509	}
1498		1510
1499	test "NTT" {	1511	test "NTT" {
		1512	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1513
1500	var rnd = RndGen.init(0);	1514	var rnd = RndGen.init(0);
1501		1515
1502	for (0..1000) \|_\| {	1516	for (0..1000) \|_\| {
...	@@ -1520,6 +1534,8 @@ test "NTT" {	...	@@ -1520,6 +1534,8 @@ test "NTT" {
1520	}	1534	}
1521		1535
1522	test "Compression" {	1536	test "Compression" {
		1537	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1538
1523	var rnd = RndGen.init(0);	1539	var rnd = RndGen.init(0);
1524	inline for (.{ 1, 4, 5, 10, 11 }) \|d\| {	1540	inline for (.{ 1, 4, 5, 10, 11 }) \|d\| {
1525	for (0..1000) \|_\| {	1541	for (0..1000) \|_\| {
...	@@ -1532,6 +1548,8 @@ test "Compression" {	...	@@ -1532,6 +1548,8 @@ test "Compression" {
1532	}	1548	}
1533		1549
1534	test "noise" {	1550	test "noise" {
		1551	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1552
1535	var seed: [32]u8 = undefined;	1553	var seed: [32]u8 = undefined;
1536	for (&seed, 0..) \|*s, i\| {	1554	for (&seed, 0..) \|*s, i\| {
1537	s.* = @as(u8, @intCast(i));	1555	s.* = @as(u8, @intCast(i));
...	@@ -1578,6 +1596,8 @@ test "noise" {	...	@@ -1578,6 +1596,8 @@ test "noise" {
1578	}	1596	}
1579		1597
1580	test "uniform sampling" {	1598	test "uniform sampling" {
		1599	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1600
1581	var seed: [32]u8 = undefined;	1601	var seed: [32]u8 = undefined;
1582	for (&seed, 0..) \|*s, i\| {	1602	for (&seed, 0..) \|*s, i\| {
1583	s.* = @as(u8, @intCast(i));	1603	s.* = @as(u8, @intCast(i));
...	@@ -1611,6 +1631,8 @@ test "uniform sampling" {	...	@@ -1611,6 +1631,8 @@ test "uniform sampling" {
1611	}	1631	}
1612		1632
1613	test "Polynomial packing" {	1633	test "Polynomial packing" {
		1634	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1635
1614	var rnd = RndGen.init(0);	1636	var rnd = RndGen.init(0);
1615		1637
1616	for (0..1000) \|_\| {	1638	for (0..1000) \|_\| {
...	@@ -1620,6 +1642,8 @@ test "Polynomial packing" {	...	@@ -1620,6 +1642,8 @@ test "Polynomial packing" {
1620	}	1642	}
1621		1643
1622	test "Test inner PKE" {	1644	test "Test inner PKE" {
		1645	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1646
1623	var seed: [32]u8 = undefined;	1647	var seed: [32]u8 = undefined;
1624	var pt: [32]u8 = undefined;	1648	var pt: [32]u8 = undefined;
1625	for (&seed, &pt, 0..) \|s, p, i\| {	1649	for (&seed, &pt, 0..) \|s, p, i\| {
...	@@ -1641,6 +1665,8 @@ test "Test inner PKE" {	...	@@ -1641,6 +1665,8 @@ test "Test inner PKE" {
1641	}	1665	}
1642		1666
1643	test "Test happy flow" {	1667	test "Test happy flow" {
		1668	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1669
1644	var seed: [64]u8 = undefined;	1670	var seed: [64]u8 = undefined;
1645	for (&seed, 0..) \|*s, i\| {	1671	for (&seed, 0..) \|*s, i\| {
1646	s.* = @as(u8, @intCast(i));	1672	s.* = @as(u8, @intCast(i));
...	@@ -1667,6 +1693,8 @@ test "Test happy flow" {	...	@@ -1667,6 +1693,8 @@ test "Test happy flow" {
1667	const sha2 = crypto.hash.sha2;	1693	const sha2 = crypto.hash.sha2;
1668		1694
1669	test "NIST KAT test" {	1695	test "NIST KAT test" {
		1696	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1697
1670	inline for (.{	1698	inline for (.{
1671	.{ Kyber512, "e9c2bd37133fcb40772f81559f14b1f58dccd1c816701be9ba6214d43baf4547" },	1699	.{ Kyber512, "e9c2bd37133fcb40772f81559f14b1f58dccd1c816701be9ba6214d43baf4547" },
1672	.{ Kyber1024, "89248f2f33f7f4f7051729111f3049c409a933ec904aedadf035f30fa5646cd5" },	1700	.{ Kyber1024, "89248f2f33f7f4f7051729111f3049c409a933ec904aedadf035f30fa5646cd5" },

lib/std/crypto/pbkdf2.zig+15

...	@@ -1,4 +1,5 @@	...	@@ -1,4 +1,5 @@
1	const std = @import("std");	1	const std = @import("std");
		2	const builtin = @import("builtin");
2	const mem = std.mem;	3	const mem = std.mem;
3	const maxInt = std.math.maxInt;	4	const maxInt = std.math.maxInt;
4	const OutputTooLongError = std.crypto.errors.OutputTooLongError;	5	const OutputTooLongError = std.crypto.errors.OutputTooLongError;
...	@@ -151,6 +152,8 @@ const HmacSha1 = std.crypto.auth.hmac.HmacSha1;	...	@@ -151,6 +152,8 @@ const HmacSha1 = std.crypto.auth.hmac.HmacSha1;
151	// RFC 6070 PBKDF2 HMAC-SHA1 Test Vectors	152	// RFC 6070 PBKDF2 HMAC-SHA1 Test Vectors
152		153
153	test "RFC 6070 one iteration" {	154	test "RFC 6070 one iteration" {
		155	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		156
154	const p = "password";	157	const p = "password";
155	const s = "salt";	158	const s = "salt";
156	const c = 1;	159	const c = 1;
...	@@ -166,6 +169,8 @@ test "RFC 6070 one iteration" {	...	@@ -166,6 +169,8 @@ test "RFC 6070 one iteration" {
166	}	169	}
167		170
168	test "RFC 6070 two iterations" {	171	test "RFC 6070 two iterations" {
		172	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		173
169	const p = "password";	174	const p = "password";
170	const s = "salt";	175	const s = "salt";
171	const c = 2;	176	const c = 2;
...	@@ -181,6 +186,8 @@ test "RFC 6070 two iterations" {	...	@@ -181,6 +186,8 @@ test "RFC 6070 two iterations" {
181	}	186	}
182		187
183	test "RFC 6070 4096 iterations" {	188	test "RFC 6070 4096 iterations" {
		189	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		190
184	const p = "password";	191	const p = "password";
185	const s = "salt";	192	const s = "salt";
186	const c = 4096;	193	const c = 4096;
...	@@ -196,6 +203,8 @@ test "RFC 6070 4096 iterations" {	...	@@ -196,6 +203,8 @@ test "RFC 6070 4096 iterations" {
196	}	203	}
197		204
198	test "RFC 6070 16,777,216 iterations" {	205	test "RFC 6070 16,777,216 iterations" {
		206	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		207
199	// These iteration tests are slow so we always skip them. Results have been verified.	208	// These iteration tests are slow so we always skip them. Results have been verified.
200	if (true) {	209	if (true) {
201	return error.SkipZigTest;	210	return error.SkipZigTest;
...	@@ -216,6 +225,8 @@ test "RFC 6070 16,777,216 iterations" {	...	@@ -216,6 +225,8 @@ test "RFC 6070 16,777,216 iterations" {
216	}	225	}
217		226
218	test "RFC 6070 multi-block salt and password" {	227	test "RFC 6070 multi-block salt and password" {
		228	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		229
219	const p = "passwordPASSWORDpassword";	230	const p = "passwordPASSWORDpassword";
220	const s = "saltSALTsaltSALTsaltSALTsaltSALTsalt";	231	const s = "saltSALTsaltSALTsaltSALTsaltSALTsalt";
221	const c = 4096;	232	const c = 4096;
...	@@ -231,6 +242,8 @@ test "RFC 6070 multi-block salt and password" {	...	@@ -231,6 +242,8 @@ test "RFC 6070 multi-block salt and password" {
231	}	242	}
232		243
233	test "RFC 6070 embedded NUL" {	244	test "RFC 6070 embedded NUL" {
		245	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		246
234	const p = "pass\x00word";	247	const p = "pass\x00word";
235	const s = "sa\x00lt";	248	const s = "sa\x00lt";
236	const c = 4096;	249	const c = 4096;
...	@@ -246,6 +259,8 @@ test "RFC 6070 embedded NUL" {	...	@@ -246,6 +259,8 @@ test "RFC 6070 embedded NUL" {
246	}	259	}
247		260
248	test "Very large dk_len" {	261	test "Very large dk_len" {
		262	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		263
249	// This test allocates 8GB of memory and is expected to take several hours to run.	264	// This test allocates 8GB of memory and is expected to take several hours to run.
250	if (true) {	265	if (true) {
251	return error.SkipZigTest;	266	return error.SkipZigTest;

lib/std/crypto/pcurves/p256.zig+2

...	@@ -478,5 +478,7 @@ pub const AffineCoordinates = struct {	...	@@ -478,5 +478,7 @@ pub const AffineCoordinates = struct {
478	};	478	};
479		479
480	test {	480	test {
		481	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		482
481	_ = @import("tests/p256.zig");	483	_ = @import("tests/p256.zig");
482	}	484	}

lib/std/crypto/pcurves/p384.zig+4-1

 @@ -478,7 +478,10 @@ pub const AffineCoordinates = struct {
 };
 test {
-    if (@import("builtin").zig_backend == .stage2_c) return error.SkipZigTest;
+    switch (@import("builtin").zig_backend) {
+        .stage2_c, .stage2_x86_64 => return error.SkipZigTest,
+        else => {},
+    }
     _ = @import("tests/p384.zig");
 }

lib/std/crypto/pcurves/secp256k1.zig+4-1

 @@ -556,7 +556,10 @@ pub const AffineCoordinates = struct {
 };
 test {
-    if (@import("builtin").zig_backend == .stage2_c) return error.SkipZigTest;
+    switch (@import("builtin").zig_backend) {
+        .stage2_c, .stage2_x86_64 => return error.SkipZigTest,
+        else => {},
+    }
     _ = @import("tests/secp256k1.zig");
 }

lib/std/crypto/phc_encoding.zig+9

 @@ -1,6 +1,7 @@
 // https://github.com/P-H-C/phc-string-format
 const std = @import("std");
+const builtin = @import("builtin");
 const fmt = std.fmt;
 const io = std.io;
 const mem = std.mem;
 @@ -263,6 +264,8 @@ fn kvSplit(str: []const u8) !struct { key: []const u8, value: []const u8 } {
 }
 test "phc format - encoding/decoding" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     const Input = struct {
         str: []const u8,
         HashResult: type,
 @@ -348,18 +351,24 @@ test "phc format - encoding/decoding" {
 }
 test "phc format - empty input string" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     const s = "";
     const v = deserialize(struct { alg_id: []const u8 }, s);
     try std.testing.expectError(Error.InvalidEncoding, v);
 }
 test "phc format - hash without salt" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     const s = "$scrypt";
     const v = deserialize(struct { alg_id: []const u8, hash: BinValue(16) }, s);
     try std.testing.expectError(Error.InvalidEncoding, v);
 }
 test "phc format - calcSize" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     const s = "$scrypt$v=1$ln=15,r=8,p=1$c2FsdHNhbHQ$dGVzdHBhc3M";
     const v = try deserialize(struct {
         alg_id: []const u8,

lib/std/crypto/poly1305.zig+2

...	@@ -196,6 +196,8 @@ pub const Poly1305 = struct {	...	@@ -196,6 +196,8 @@ pub const Poly1305 = struct {
196	};	196	};
197		197
198	test "poly1305 rfc7439 vector1" {	198	test "poly1305 rfc7439 vector1" {
		199	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		200
199	const expected_mac = "\xa8\x06\x1d\xc1\x30\x51\x36\xc6\xc2\x2b\x8b\xaf\x0c\x01\x27\xa9";	201	const expected_mac = "\xa8\x06\x1d\xc1\x30\x51\x36\xc6\xc2\x2b\x8b\xaf\x0c\x01\x27\xa9";
200		202
201	const msg = "Cryptographic Forum Research Group";	203	const msg = "Cryptographic Forum Research Group";

lib/std/crypto/salsa20.zig+12

...	@@ -555,6 +555,8 @@ pub const SealedBox = struct {	...	@@ -555,6 +555,8 @@ pub const SealedBox = struct {
555	const htest = @import("test.zig");	555	const htest = @import("test.zig");
556		556
557	test "(x)salsa20" {	557	test "(x)salsa20" {
		558	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		559
558	const key = [_]u8{0x69} ** 32;	560	const key = [_]u8{0x69} ** 32;
559	const nonce = [_]u8{0x42} ** 8;	561	const nonce = [_]u8{0x42} ** 8;
560	const msg = [_]u8{0} ** 20;	562	const msg = [_]u8{0} ** 20;
...	@@ -569,6 +571,8 @@ test "(x)salsa20" {	...	@@ -569,6 +571,8 @@ test "(x)salsa20" {
569	}	571	}
570		572
571	test "xsalsa20poly1305" {	573	test "xsalsa20poly1305" {
		574	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		575
572	var msg: [100]u8 = undefined;	576	var msg: [100]u8 = undefined;
573	var msg2: [msg.len]u8 = undefined;	577	var msg2: [msg.len]u8 = undefined;
574	var c: [msg.len]u8 = undefined;	578	var c: [msg.len]u8 = undefined;
...	@@ -584,6 +588,8 @@ test "xsalsa20poly1305" {	...	@@ -584,6 +588,8 @@ test "xsalsa20poly1305" {
584	}	588	}
585		589
586	test "xsalsa20poly1305 secretbox" {	590	test "xsalsa20poly1305 secretbox" {
		591	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		592
587	var msg: [100]u8 = undefined;	593	var msg: [100]u8 = undefined;
588	var msg2: [msg.len]u8 = undefined;	594	var msg2: [msg.len]u8 = undefined;
589	var key: [XSalsa20Poly1305.key_length]u8 = undefined;	595	var key: [XSalsa20Poly1305.key_length]u8 = undefined;
...	@@ -598,6 +604,8 @@ test "xsalsa20poly1305 secretbox" {	...	@@ -598,6 +604,8 @@ test "xsalsa20poly1305 secretbox" {
598	}	604	}
599		605
600	test "xsalsa20poly1305 box" {	606	test "xsalsa20poly1305 box" {
		607	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		608
601	var msg: [100]u8 = undefined;	609	var msg: [100]u8 = undefined;
602	var msg2: [msg.len]u8 = undefined;	610	var msg2: [msg.len]u8 = undefined;
603	var nonce: [Box.nonce_length]u8 = undefined;	611	var nonce: [Box.nonce_length]u8 = undefined;
...	@@ -612,6 +620,8 @@ test "xsalsa20poly1305 box" {	...	@@ -612,6 +620,8 @@ test "xsalsa20poly1305 box" {
612	}	620	}
613		621
614	test "xsalsa20poly1305 sealedbox" {	622	test "xsalsa20poly1305 sealedbox" {
		623	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		624
615	var msg: [100]u8 = undefined;	625	var msg: [100]u8 = undefined;
616	var msg2: [msg.len]u8 = undefined;	626	var msg2: [msg.len]u8 = undefined;
617	var boxed: [msg.len + SealedBox.seal_length]u8 = undefined;	627	var boxed: [msg.len + SealedBox.seal_length]u8 = undefined;
...	@@ -623,6 +633,8 @@ test "xsalsa20poly1305 sealedbox" {	...	@@ -623,6 +633,8 @@ test "xsalsa20poly1305 sealedbox" {
623	}	633	}
624		634
625	test "secretbox twoblocks" {	635	test "secretbox twoblocks" {
		636	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		637
626	const key = [_]u8{ 0xc9, 0xc9, 0x4d, 0xcf, 0x68, 0xbe, 0x00, 0xe4, 0x7f, 0xe6, 0x13, 0x26, 0xfc, 0xc4, 0x2f, 0xd0, 0xdb, 0x93, 0x91, 0x1c, 0x09, 0x94, 0x89, 0xe1, 0x1b, 0x88, 0x63, 0x18, 0x86, 0x64, 0x8b, 0x7b };	638	const key = [_]u8{ 0xc9, 0xc9, 0x4d, 0xcf, 0x68, 0xbe, 0x00, 0xe4, 0x7f, 0xe6, 0x13, 0x26, 0xfc, 0xc4, 0x2f, 0xd0, 0xdb, 0x93, 0x91, 0x1c, 0x09, 0x94, 0x89, 0xe1, 0x1b, 0x88, 0x63, 0x18, 0x86, 0x64, 0x8b, 0x7b };
627	const nonce = [_]u8{ 0xa4, 0x33, 0xe9, 0x0a, 0x07, 0x68, 0x6e, 0x9a, 0x2b, 0x6d, 0xd4, 0x59, 0x04, 0x72, 0x3e, 0xd3, 0x8a, 0x67, 0x55, 0xc7, 0x9e, 0x3e, 0x77, 0xdc };	639	const nonce = [_]u8{ 0xa4, 0x33, 0xe9, 0x0a, 0x07, 0x68, 0x6e, 0x9a, 0x2b, 0x6d, 0xd4, 0x59, 0x04, 0x72, 0x3e, 0xd3, 0x8a, 0x67, 0x55, 0xc7, 0x9e, 0x3e, 0x77, 0xdc };
628	const msg = [_]u8{'a'} ** 97;	640	const msg = [_]u8{'a'} ** 97;

lib/std/crypto/scrypt.zig+5

...	@@ -3,6 +3,7 @@	...	@@ -3,6 +3,7 @@
3	// https://github.com/Tarsnap/scrypt	3	// https://github.com/Tarsnap/scrypt
4		4
5	const std = @import("std");	5	const std = @import("std");
		6	const builtin = @import("builtin");
6	const crypto = std.crypto;	7	const crypto = std.crypto;
7	const fmt = std.fmt;	8	const fmt = std.fmt;
8	const io = std.io;	9	const io = std.io;
...	@@ -683,6 +684,8 @@ test "unix-scrypt" {	...	@@ -683,6 +684,8 @@ test "unix-scrypt" {
683	}	684	}
684		685
685	test "crypt format" {	686	test "crypt format" {
		687	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		688
686	const str = "$7$C6..../....SodiumChloride$kBGj9fHznVYFQMEn/qDCfrDevf9YDtcDdKvEqHJLV8D";	689	const str = "$7$C6..../....SodiumChloride$kBGj9fHznVYFQMEn/qDCfrDevf9YDtcDdKvEqHJLV8D";
687	const params = try crypt_format.deserialize(crypt_format.HashResult(32), str);	690	const params = try crypt_format.deserialize(crypt_format.HashResult(32), str);
688	var buf: [str.len]u8 = undefined;	691	var buf: [str.len]u8 = undefined;
...	@@ -691,6 +694,8 @@ test "crypt format" {	...	@@ -691,6 +694,8 @@ test "crypt format" {
691	}	694	}
692		695
693	test "kdf fast" {	696	test "kdf fast" {
		697	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		698
694	const TestVector = struct {	699	const TestVector = struct {
695	password: []const u8,	700	password: []const u8,
696	salt: []const u8,	701	salt: []const u8,

lib/std/crypto/sha2.zig+11-1

 @@ -238,7 +238,7 @@ fn Sha2x32(comptime params: Sha2Params32) type {
                         return;
                     },
                     // C backend doesn't currently support passing vectors to inline asm.
-                    .x86_64 => if (builtin.zig_backend != .stage2_c and comptime std.Target.x86.featureSetHasAll(builtin.cpu.features, .{ .sha, .avx2 })) {
+                    .x86_64 => if (builtin.zig_backend != .stage2_c and builtin.zig_backend != .stage2_x86_64 and comptime std.Target.x86.featureSetHasAll(builtin.cpu.features, .{ .sha, .avx2 })) {
                         var x: v4u32 = [_]u32{ d.s[5], d.s[4], d.s[1], d.s[0] };
                         var y: v4u32 = [_]u32{ d.s[7], d.s[6], d.s[3], d.s[2] };
                         const s_v = @as(*[16]v4u32, @ptrCast(&s));
 @@ -406,12 +406,16 @@ fn Sha2x32(comptime params: Sha2Params32) type {
 }
 test "sha224 single" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try htest.assertEqualHash(Sha224, "d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f", "");
     try htest.assertEqualHash(Sha224, "23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7", "abc");
     try htest.assertEqualHash(Sha224, "c97ca9a559850ce97a04a96def6d99a9e0e0e2ab14e6b8df265fc0b3", "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu");
 }
 test "sha224 streaming" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     var h = Sha224.init(.{});
     var out: [28]u8 = undefined;
 @@ -432,12 +436,16 @@ test "sha224 streaming" {
 }
 test "sha256 single" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try htest.assertEqualHash(Sha256, "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", "");
     try htest.assertEqualHash(Sha256, "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad", "abc");
     try htest.assertEqualHash(Sha256, "cf5b16a778af8380036ce59e7b0492370b249b11e8f07a51afac45037afee9d1", "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu");
 }
 test "sha256 streaming" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     var h = Sha256.init(.{});
     var out: [32]u8 = undefined;
 @@ -458,6 +466,8 @@ test "sha256 streaming" {
 }
 test "sha256 aligned final" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     var block = [_]u8{0} ** Sha256.block_length;
     var out: [Sha256.digest_length]u8 = undefined;

lib/std/crypto/utils.zig+2

...	@@ -149,6 +149,8 @@ test "crypto.utils.timingSafeEql" {	...	@@ -149,6 +149,8 @@ test "crypto.utils.timingSafeEql" {
149	}	149	}
150		150
151	test "crypto.utils.timingSafeEql (vectors)" {	151	test "crypto.utils.timingSafeEql (vectors)" {
		152	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		153
152	var a: [100]u8 = undefined;	154	var a: [100]u8 = undefined;
153	var b: [100]u8 = undefined;	155	var b: [100]u8 = undefined;
154	random.bytes(a[0..]);	156	random.bytes(a[0..]);

lib/std/debug.zig+2

...	@@ -2513,6 +2513,8 @@ pub fn dumpStackPointerAddr(prefix: []const u8) void {	...	@@ -2513,6 +2513,8 @@ pub fn dumpStackPointerAddr(prefix: []const u8) void {
2513	}	2513	}
2514		2514
2515	test "manage resources correctly" {	2515	test "manage resources correctly" {
		2516	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2517
2516	if (builtin.os.tag == .wasi) return error.SkipZigTest;	2518	if (builtin.os.tag == .wasi) return error.SkipZigTest;
2517		2519
2518	if (builtin.os.tag == .windows) {	2520	if (builtin.os.tag == .windows) {

lib/std/dwarf/expressions.zig+2

...	@@ -1054,6 +1054,8 @@ fn isOpcodeRegisterLocation(opcode: u8) bool {	...	@@ -1054,6 +1054,8 @@ fn isOpcodeRegisterLocation(opcode: u8) bool {
1054		1054
1055	const testing = std.testing;	1055	const testing = std.testing;
1056	test "DWARF expressions" {	1056	test "DWARF expressions" {
		1057	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1058
1057	const allocator = std.testing.allocator;	1059	const allocator = std.testing.allocator;
1058		1060
1059	const options = ExpressionOptions{};	1061	const options = ExpressionOptions{};

lib/std/fifo.zig+2

...	@@ -505,6 +505,8 @@ test "LinearFifo(u8, .Dynamic)" {	...	@@ -505,6 +505,8 @@ test "LinearFifo(u8, .Dynamic)" {
505	}	505	}
506		506
507	test "LinearFifo" {	507	test "LinearFifo" {
		508	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		509
508	inline for ([_]type{ u1, u8, u16, u64 }) \|T\| {	510	inline for ([_]type{ u1, u8, u16, u64 }) \|T\| {
509	inline for ([_]LinearFifoBufferType{ LinearFifoBufferType{ .Static = 32 }, .Slice, .Dynamic }) \|bt\| {	511	inline for ([_]LinearFifoBufferType{ LinearFifoBufferType{ .Static = 32 }, .Slice, .Dynamic }) \|bt\| {
510	const FifoType = LinearFifo(T, bt);	512	const FifoType = LinearFifo(T, bt);

lib/std/fmt.zig+24

 @@ -2129,6 +2129,8 @@ test "int.small" {
 }
 test "int.specifier" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     {
         const value: u8 = 'a';
         try expectFmt("u8: a\n", "u8: {c}\n", .{value});
 @@ -2179,6 +2181,8 @@ test "int.padded" {
 }
 test "buffer" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     {
         var buf1: [32]u8 = undefined;
         var fbs = std.io.fixedBufferStream(&buf1);
 @@ -2375,6 +2379,8 @@ test "float.scientific" {
 }
 test "float.scientific.precision" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try expectFmt("f64: 1.40971e-42", "f64: {e:.5}", .{@as(f64, 1.409706e-42)});
     try expectFmt("f64: 1.00000e-09", "f64: {e:.5}", .{@as(f64, @as(f32, @bitCast(@as(u32, 814313563))))});
     try expectFmt("f64: 7.81250e-03", "f64: {e:.5}", .{@as(f64, @as(f32, @bitCast(@as(u32, 1006632960))))});
 @@ -2435,6 +2441,8 @@ test "float.hexadecimal" {
 }
 test "float.hexadecimal.precision" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try expectFmt("f16: 0x1.5p-2", "f16: {x:.1}", .{@as(f16, 1.0 / 3.0)});
     try expectFmt("f32: 0x1.555p-2", "f32: {x:.3}", .{@as(f32, 1.0 / 3.0)});
     try expectFmt("f64: 0x1.55555p-2", "f64: {x:.5}", .{@as(f64, 1.0 / 3.0)});
 @@ -2449,6 +2457,8 @@ test "float.hexadecimal.precision" {
 }
 test "float.decimal" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try expectFmt("f64: 152314000000000000000000000000", "f64: {d}", .{@as(f64, 1.52314e+29)});
     try expectFmt("f32: 0", "f32: {d}", .{@as(f32, 0.0)});
     try expectFmt("f32: 0", "f32: {d:.0}", .{@as(f32, 0.0)});
 @@ -2472,6 +2482,8 @@ test "float.decimal" {
 }
 test "float.libc.sanity" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try expectFmt("f64: 0.00001", "f64: {d:.5}", .{@as(f64, @as(f32, @bitCast(@as(u32, 916964781))))});
     try expectFmt("f64: 0.00001", "f64: {d:.5}", .{@as(f64, @as(f32, @bitCast(@as(u32, 925353389))))});
     try expectFmt("f64: 0.10000", "f64: {d:.5}", .{@as(f64, @as(f32, @bitCast(@as(u32, 1036831278))))});
 @@ -2491,6 +2503,8 @@ test "float.libc.sanity" {
 }
 test "custom" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     const Vec2 = struct {
         const SelfType = @This();
         x: f32,
 @@ -2669,6 +2683,8 @@ test "formatFloatValue with comptime_float" {
 }
 test "formatType max_depth" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     const Vec2 = struct {
         const SelfType = @This();
         x: f32,
 @@ -2735,6 +2751,8 @@ test "formatType max_depth" {
 }
 test "positional" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try expectFmt("2 1 0", "{2} {1} {0}", .{ @as(usize, 0), @as(usize, 1), @as(usize, 2) });
     try expectFmt("2 1 0", "{2} {1} {}", .{ @as(usize, 0), @as(usize, 1), @as(usize, 2) });
     try expectFmt("0 0", "{0} {0}", .{@as(usize, 0)});
 @@ -2743,14 +2761,20 @@ test "positional" {
 }
 test "positional with specifier" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try expectFmt("10.0", "{0d:.1}", .{@as(f64, 9.999)});
 }
 test "positional/alignment/width/precision" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try expectFmt("10.0", "{0d: >3.1}", .{@as(f64, 9.999)});
 }
 test "vector" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.target.cpu.arch == .riscv64) {
         // https://github.com/ziglang/zig/issues/4486
         return error.SkipZigTest;

lib/std/fmt/parse_float.zig+17-1

 @@ -1,8 +1,8 @@
 pub const parseFloat = @import("parse_float/parse_float.zig").parseFloat;
 pub const ParseFloatError = @import("parse_float/parse_float.zig").ParseFloatError;
-const builtin = @import("builtin");
 const std = @import("std");
+const builtin = @import("builtin");
 const math = std.math;
 const testing = std.testing;
 const expect = testing.expect;
 @@ -14,6 +14,8 @@ const epsilon = 1e-7;
 // See https://github.com/tiehuis/parse-number-fxx-test-data for a wider-selection of test-data.
 test "fmt.parseFloat" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     inline for ([_]type{ f16, f32, f64, f128 }) |T| {
         try testing.expectError(error.InvalidCharacter, parseFloat(T, ""));
         try testing.expectError(error.InvalidCharacter, parseFloat(T, "   1"));
 @@ -70,6 +72,8 @@ test "fmt.parseFloat" {
 }
 test "fmt.parseFloat nan and inf" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     inline for ([_]type{ f16, f32, f64, f128 }) |T| {
         const Z = std.meta.Int(.unsigned, @typeInfo(T).Float.bits);
 @@ -80,16 +84,22 @@ test "fmt.parseFloat nan and inf" {
 }
 test "fmt.parseFloat #11169" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try expectEqual(try parseFloat(f128, "9007199254740993.0"), 9007199254740993.0);
 }
 test "fmt.parseFloat hex.special" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try testing.expect(math.isNan(try parseFloat(f32, "nAn")));
     try testing.expect(math.isPositiveInf(try parseFloat(f32, "iNf")));
     try testing.expect(math.isPositiveInf(try parseFloat(f32, "+Inf")));
     try testing.expect(math.isNegativeInf(try parseFloat(f32, "-iNf")));
 }
 test "fmt.parseFloat hex.zero" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try testing.expectEqual(@as(f32, 0.0), try parseFloat(f32, "0x0"));
     try testing.expectEqual(@as(f32, 0.0), try parseFloat(f32, "-0x0"));
     try testing.expectEqual(@as(f32, 0.0), try parseFloat(f32, "0x0p42"));
 @@ -98,6 +108,8 @@ test "fmt.parseFloat hex.zero" {
 }
 test "fmt.parseFloat hex.f16" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try testing.expectEqual(try parseFloat(f16, "0x1p0"), 1.0);
     try testing.expectEqual(try parseFloat(f16, "-0x1p-1"), -0.5);
     try testing.expectEqual(try parseFloat(f16, "0x10p+10"), 16384.0);
 @@ -114,6 +126,8 @@ test "fmt.parseFloat hex.f16" {
 }
 test "fmt.parseFloat hex.f32" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try testing.expectError(error.InvalidCharacter, parseFloat(f32, "0x"));
     try testing.expectEqual(try parseFloat(f32, "0x1p0"), 1.0);
     try testing.expectEqual(try parseFloat(f32, "-0x1p-1"), -0.5);
 @@ -148,6 +162,8 @@ test "fmt.parseFloat hex.f64" {
     try testing.expectEqual(try parseFloat(f64, "-0x1p-1074"), -math.floatTrueMin(f64));
 }
 test "fmt.parseFloat hex.f128" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try testing.expectEqual(try parseFloat(f128, "0x1p0"), 1.0);
     try testing.expectEqual(try parseFloat(f128, "-0x1p-1"), -0.5);
     try testing.expectEqual(try parseFloat(f128, "0x10p+10"), 16384.0);

lib/std/fs.zig+8-6

 @@ -3244,13 +3244,15 @@ fn copy_file(fd_in: os.fd_t, fd_out: os.fd_t, maybe_size: ?u64) CopyFileRawError
 }
 test {
-    if (builtin.os.tag != .wasi) {
+    if (builtin.zig_backend != .stage2_x86_64) {
-        _ = &makeDirAbsolute;
+        if (builtin.os.tag != .wasi) {
-        _ = &makeDirAbsoluteZ;
+            _ = &makeDirAbsolute;
-        _ = &copyFileAbsolute;
+            _ = &makeDirAbsoluteZ;
-        _ = &updateFileAbsolute;
+            _ = &copyFileAbsolute;
+            _ = &updateFileAbsolute;
+        }
+        _ = &Dir.copyFile;
     }
-    _ = &Dir.copyFile;
     _ = @import("fs/test.zig");
     _ = @import("fs/path.zig");
     _ = @import("fs/file.zig");

lib/std/fs/test.zig+104

...	@@ -124,6 +124,8 @@ fn testWithAllSupportedPathTypes(test_func: anytype) !void {	...	@@ -124,6 +124,8 @@ fn testWithAllSupportedPathTypes(test_func: anytype) !void {
124	}	124	}
125		125
126	test "Dir.readLink" {	126	test "Dir.readLink" {
		127	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		128
127	try testWithAllSupportedPathTypes(struct {	129	try testWithAllSupportedPathTypes(struct {
128	fn impl(ctx: *TestContext) !void {	130	fn impl(ctx: *TestContext) !void {
129	// Create some targets	131	// Create some targets
...	@@ -161,6 +163,8 @@ fn testReadLink(dir: Dir, target_path: []const u8, symlink_path: []const u8) !vo	...	@@ -161,6 +163,8 @@ fn testReadLink(dir: Dir, target_path: []const u8, symlink_path: []const u8) !vo
161	}	163	}
162		164
163	test "relative symlink to parent directory" {	165	test "relative symlink to parent directory" {
		166	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		167
164	var tmp = tmpDir(.{});	168	var tmp = tmpDir(.{});
165	defer tmp.cleanup();	169	defer tmp.cleanup();
166		170
...	@@ -178,6 +182,8 @@ test "relative symlink to parent directory" {	...	@@ -178,6 +182,8 @@ test "relative symlink to parent directory" {
178	}	182	}
179		183
180	test "openDir" {	184	test "openDir" {
		185	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		186
181	try testWithAllSupportedPathTypes(struct {	187	try testWithAllSupportedPathTypes(struct {
182	fn impl(ctx: *TestContext) !void {	188	fn impl(ctx: *TestContext) !void {
183	const allocator = ctx.arena.allocator();	189	const allocator = ctx.arena.allocator();
...	@@ -196,6 +202,8 @@ test "openDir" {	...	@@ -196,6 +202,8 @@ test "openDir" {
196	test "accessAbsolute" {	202	test "accessAbsolute" {
197	if (builtin.os.tag == .wasi) return error.SkipZigTest;	203	if (builtin.os.tag == .wasi) return error.SkipZigTest;
198		204
		205	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		206
199	var tmp = tmpDir(.{});	207	var tmp = tmpDir(.{});
200	defer tmp.cleanup();	208	defer tmp.cleanup();
201		209
...	@@ -214,6 +222,8 @@ test "accessAbsolute" {	...	@@ -214,6 +222,8 @@ test "accessAbsolute" {
214	test "openDirAbsolute" {	222	test "openDirAbsolute" {
215	if (builtin.os.tag == .wasi) return error.SkipZigTest;	223	if (builtin.os.tag == .wasi) return error.SkipZigTest;
216		224
		225	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		226
217	var tmp = tmpDir(.{});	227	var tmp = tmpDir(.{});
218	defer tmp.cleanup();	228	defer tmp.cleanup();
219		229
...	@@ -252,6 +262,8 @@ test "openDir non-cwd parent .." {	...	@@ -252,6 +262,8 @@ test "openDir non-cwd parent .." {
252	else => {},	262	else => {},
253	}	263	}
254		264
		265	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		266
255	var tmp = tmpDir(.{});	267	var tmp = tmpDir(.{});
256	defer tmp.cleanup();	268	defer tmp.cleanup();
257		269
...	@@ -273,6 +285,8 @@ test "openDir non-cwd parent .." {	...	@@ -273,6 +285,8 @@ test "openDir non-cwd parent .." {
273	test "readLinkAbsolute" {	285	test "readLinkAbsolute" {
274	if (builtin.os.tag == .wasi) return error.SkipZigTest;	286	if (builtin.os.tag == .wasi) return error.SkipZigTest;
275		287
		288	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		289
276	var tmp = tmpDir(.{});	290	var tmp = tmpDir(.{});
277	defer tmp.cleanup();	291	defer tmp.cleanup();
278		292
...	@@ -323,6 +337,8 @@ fn testReadLinkAbsolute(target_path: []const u8, symlink_path: []const u8) !void	...	@@ -323,6 +337,8 @@ fn testReadLinkAbsolute(target_path: []const u8, symlink_path: []const u8) !void
323	}	337	}
324		338
325	test "Dir.Iterator" {	339	test "Dir.Iterator" {
		340	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		341
326	var tmp_dir = tmpIterableDir(.{});	342	var tmp_dir = tmpIterableDir(.{});
327	defer tmp_dir.cleanup();	343	defer tmp_dir.cleanup();
328		344
...	@@ -353,6 +369,8 @@ test "Dir.Iterator" {	...	@@ -353,6 +369,8 @@ test "Dir.Iterator" {
353	}	369	}
354		370
355	test "Dir.Iterator many entries" {	371	test "Dir.Iterator many entries" {
		372	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		373
356	var tmp_dir = tmpIterableDir(.{});	374	var tmp_dir = tmpIterableDir(.{});
357	defer tmp_dir.cleanup();	375	defer tmp_dir.cleanup();
358		376
...	@@ -388,6 +406,8 @@ test "Dir.Iterator many entries" {	...	@@ -388,6 +406,8 @@ test "Dir.Iterator many entries" {
388	}	406	}
389		407
390	test "Dir.Iterator twice" {	408	test "Dir.Iterator twice" {
		409	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		410
391	var tmp_dir = tmpIterableDir(.{});	411	var tmp_dir = tmpIterableDir(.{});
392	defer tmp_dir.cleanup();	412	defer tmp_dir.cleanup();
393		413
...	@@ -421,6 +441,8 @@ test "Dir.Iterator twice" {	...	@@ -421,6 +441,8 @@ test "Dir.Iterator twice" {
421	}	441	}
422		442
423	test "Dir.Iterator reset" {	443	test "Dir.Iterator reset" {
		444	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		445
424	var tmp_dir = tmpIterableDir(.{});	446	var tmp_dir = tmpIterableDir(.{});
425	defer tmp_dir.cleanup();	447	defer tmp_dir.cleanup();
426		448
...	@@ -457,6 +479,8 @@ test "Dir.Iterator reset" {	...	@@ -457,6 +479,8 @@ test "Dir.Iterator reset" {
457	}	479	}
458		480
459	test "Dir.Iterator but dir is deleted during iteration" {	481	test "Dir.Iterator but dir is deleted during iteration" {
		482	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		483
460	var tmp = std.testing.tmpDir(.{});	484	var tmp = std.testing.tmpDir(.{});
461	defer tmp.cleanup();	485	defer tmp.cleanup();
462		486
...	@@ -499,6 +523,8 @@ fn contains(entries: *const std.ArrayList(IterableDir.Entry), el: IterableDir.En	...	@@ -499,6 +523,8 @@ fn contains(entries: *const std.ArrayList(IterableDir.Entry), el: IterableDir.En
499	test "Dir.realpath smoke test" {	523	test "Dir.realpath smoke test" {
500	if (!comptime std.os.isGetFdPathSupportedOnTarget(builtin.os)) return error.SkipZigTest;	524	if (!comptime std.os.isGetFdPathSupportedOnTarget(builtin.os)) return error.SkipZigTest;
501		525
		526	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		527
502	try testWithAllSupportedPathTypes(struct {	528	try testWithAllSupportedPathTypes(struct {
503	fn impl(ctx: *TestContext) !void {	529	fn impl(ctx: *TestContext) !void {
504	const allocator = ctx.arena.allocator();	530	const allocator = ctx.arena.allocator();
...	@@ -549,6 +575,8 @@ test "Dir.realpath smoke test" {	...	@@ -549,6 +575,8 @@ test "Dir.realpath smoke test" {
549	}	575	}
550		576
551	test "readAllAlloc" {	577	test "readAllAlloc" {
		578	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		579
552	var tmp_dir = tmpDir(.{});	580	var tmp_dir = tmpDir(.{});
553	defer tmp_dir.cleanup();	581	defer tmp_dir.cleanup();
554		582
...	@@ -585,6 +613,8 @@ test "Dir.statFile" {	...	@@ -585,6 +613,8 @@ test "Dir.statFile" {
585	// TODO: Re-enable once https://github.com/ziglang/zig/issues/17034 is solved	613	// TODO: Re-enable once https://github.com/ziglang/zig/issues/17034 is solved
586	if (builtin.os.tag == .linux and builtin.link_libc and builtin.abi == .gnu) return error.SkipZigTest;	614	if (builtin.os.tag == .linux and builtin.link_libc and builtin.abi == .gnu) return error.SkipZigTest;
587		615
		616	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		617
588	try testWithAllSupportedPathTypes(struct {	618	try testWithAllSupportedPathTypes(struct {
589	fn impl(ctx: *TestContext) !void {	619	fn impl(ctx: *TestContext) !void {
590	const test_file_name = try ctx.transformPath("test_file");	620	const test_file_name = try ctx.transformPath("test_file");
...	@@ -600,6 +630,8 @@ test "Dir.statFile" {	...	@@ -600,6 +630,8 @@ test "Dir.statFile" {
600	}	630	}
601		631
602	test "directory operations on files" {	632	test "directory operations on files" {
		633	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		634
603	try testWithAllSupportedPathTypes(struct {	635	try testWithAllSupportedPathTypes(struct {
604	fn impl(ctx: *TestContext) !void {	636	fn impl(ctx: *TestContext) !void {
605	const test_file_name = try ctx.transformPath("test_file");	637	const test_file_name = try ctx.transformPath("test_file");
...	@@ -629,6 +661,8 @@ test "file operations on directories" {	...	@@ -629,6 +661,8 @@ test "file operations on directories" {
629	// TODO: fix this test on FreeBSD. https://github.com/ziglang/zig/issues/1759	661	// TODO: fix this test on FreeBSD. https://github.com/ziglang/zig/issues/1759
630	if (builtin.os.tag == .freebsd) return error.SkipZigTest;	662	if (builtin.os.tag == .freebsd) return error.SkipZigTest;
631		663
		664	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		665
632	try testWithAllSupportedPathTypes(struct {	666	try testWithAllSupportedPathTypes(struct {
633	fn impl(ctx: *TestContext) !void {	667	fn impl(ctx: *TestContext) !void {
634	const test_dir_name = try ctx.transformPath("test_dir");	668	const test_dir_name = try ctx.transformPath("test_dir");
...	@@ -676,6 +710,8 @@ test "makeOpenPath parent dirs do not exist" {	...	@@ -676,6 +710,8 @@ test "makeOpenPath parent dirs do not exist" {
676	}	710	}
677		711
678	test "deleteDir" {	712	test "deleteDir" {
		713	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		714
679	try testWithAllSupportedPathTypes(struct {	715	try testWithAllSupportedPathTypes(struct {
680	fn impl(ctx: *TestContext) !void {	716	fn impl(ctx: *TestContext) !void {
681	const test_dir_path = try ctx.transformPath("test_dir");	717	const test_dir_path = try ctx.transformPath("test_dir");
...	@@ -697,6 +733,8 @@ test "deleteDir" {	...	@@ -697,6 +733,8 @@ test "deleteDir" {
697	}	733	}
698		734
699	test "Dir.rename files" {	735	test "Dir.rename files" {
		736	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		737
700	try testWithAllSupportedPathTypes(struct {	738	try testWithAllSupportedPathTypes(struct {
701	fn impl(ctx: *TestContext) !void {	739	fn impl(ctx: *TestContext) !void {
702	// Rename on Windows can hit intermittent AccessDenied errors	740	// Rename on Windows can hit intermittent AccessDenied errors
...	@@ -739,6 +777,8 @@ test "Dir.rename files" {	...	@@ -739,6 +777,8 @@ test "Dir.rename files" {
739	}	777	}
740		778
741	test "Dir.rename directories" {	779	test "Dir.rename directories" {
		780	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		781
742	try testWithAllSupportedPathTypes(struct {	782	try testWithAllSupportedPathTypes(struct {
743	fn impl(ctx: *TestContext) !void {	783	fn impl(ctx: *TestContext) !void {
744	// Rename on Windows can hit intermittent AccessDenied errors	784	// Rename on Windows can hit intermittent AccessDenied errors
...	@@ -780,6 +820,8 @@ test "Dir.rename directory onto empty dir" {	...	@@ -780,6 +820,8 @@ test "Dir.rename directory onto empty dir" {
780	// TODO: Fix on Windows, see https://github.com/ziglang/zig/issues/6364	820	// TODO: Fix on Windows, see https://github.com/ziglang/zig/issues/6364
781	if (builtin.os.tag == .windows) return error.SkipZigTest;	821	if (builtin.os.tag == .windows) return error.SkipZigTest;
782		822
		823	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		824
783	try testWithAllSupportedPathTypes(struct {	825	try testWithAllSupportedPathTypes(struct {
784	fn impl(ctx: *TestContext) !void {	826	fn impl(ctx: *TestContext) !void {
785	const test_dir_path = try ctx.transformPath("test_dir");	827	const test_dir_path = try ctx.transformPath("test_dir");
...	@@ -801,6 +843,8 @@ test "Dir.rename directory onto non-empty dir" {	...	@@ -801,6 +843,8 @@ test "Dir.rename directory onto non-empty dir" {
801	// TODO: Fix on Windows, see https://github.com/ziglang/zig/issues/6364	843	// TODO: Fix on Windows, see https://github.com/ziglang/zig/issues/6364
802	if (builtin.os.tag == .windows) return error.SkipZigTest;	844	if (builtin.os.tag == .windows) return error.SkipZigTest;
803		845
		846	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		847
804	try testWithAllSupportedPathTypes(struct {	848	try testWithAllSupportedPathTypes(struct {
805	fn impl(ctx: *TestContext) !void {	849	fn impl(ctx: *TestContext) !void {
806	const test_dir_path = try ctx.transformPath("test_dir");	850	const test_dir_path = try ctx.transformPath("test_dir");
...	@@ -827,6 +871,8 @@ test "Dir.rename file <-> dir" {	...	@@ -827,6 +871,8 @@ test "Dir.rename file <-> dir" {
827	// TODO: Fix on Windows, see https://github.com/ziglang/zig/issues/6364	871	// TODO: Fix on Windows, see https://github.com/ziglang/zig/issues/6364
828	if (builtin.os.tag == .windows) return error.SkipZigTest;	872	if (builtin.os.tag == .windows) return error.SkipZigTest;
829		873
		874	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		875
830	try testWithAllSupportedPathTypes(struct {	876	try testWithAllSupportedPathTypes(struct {
831	fn impl(ctx: *TestContext) !void {	877	fn impl(ctx: *TestContext) !void {
832	const test_file_path = try ctx.transformPath("test_file");	878	const test_file_path = try ctx.transformPath("test_file");
...	@@ -842,6 +888,8 @@ test "Dir.rename file <-> dir" {	...	@@ -842,6 +888,8 @@ test "Dir.rename file <-> dir" {
842	}	888	}
843		889
844	test "rename" {	890	test "rename" {
		891	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		892
845	var tmp_dir1 = tmpDir(.{});	893	var tmp_dir1 = tmpDir(.{});
846	defer tmp_dir1.cleanup();	894	defer tmp_dir1.cleanup();
847		895
...	@@ -864,6 +912,8 @@ test "rename" {	...	@@ -864,6 +912,8 @@ test "rename" {
864	test "renameAbsolute" {	912	test "renameAbsolute" {
865	if (builtin.os.tag == .wasi) return error.SkipZigTest;	913	if (builtin.os.tag == .wasi) return error.SkipZigTest;
866		914
		915	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		916
867	var tmp_dir = tmpDir(.{});	917	var tmp_dir = tmpDir(.{});
868	defer tmp_dir.cleanup();	918	defer tmp_dir.cleanup();
869		919
...	@@ -922,6 +972,8 @@ test "openSelfExe" {	...	@@ -922,6 +972,8 @@ test "openSelfExe" {
922	}	972	}
923		973
924	test "makePath, put some files in it, deleteTree" {	974	test "makePath, put some files in it, deleteTree" {
		975	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		976
925	try testWithAllSupportedPathTypes(struct {	977	try testWithAllSupportedPathTypes(struct {
926	fn impl(ctx: *TestContext) !void {	978	fn impl(ctx: *TestContext) !void {
927	const allocator = ctx.arena.allocator();	979	const allocator = ctx.arena.allocator();
...	@@ -938,6 +990,8 @@ test "makePath, put some files in it, deleteTree" {	...	@@ -938,6 +990,8 @@ test "makePath, put some files in it, deleteTree" {
938	}	990	}
939		991
940	test "makePath, put some files in it, deleteTreeMinStackSize" {	992	test "makePath, put some files in it, deleteTreeMinStackSize" {
		993	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		994
941	try testWithAllSupportedPathTypes(struct {	995	try testWithAllSupportedPathTypes(struct {
942	fn impl(ctx: *TestContext) !void {	996	fn impl(ctx: *TestContext) !void {
943	const allocator = ctx.arena.allocator();	997	const allocator = ctx.arena.allocator();
...	@@ -956,6 +1010,8 @@ test "makePath, put some files in it, deleteTreeMinStackSize" {	...	@@ -956,6 +1010,8 @@ test "makePath, put some files in it, deleteTreeMinStackSize" {
956	test "makePath in a directory that no longer exists" {	1010	test "makePath in a directory that no longer exists" {
957	if (builtin.os.tag == .windows) return error.SkipZigTest; // Windows returns FileBusy if attempting to remove an open dir	1011	if (builtin.os.tag == .windows) return error.SkipZigTest; // Windows returns FileBusy if attempting to remove an open dir
958		1012
		1013	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1014
959	var tmp = tmpDir(.{});	1015	var tmp = tmpDir(.{});
960	defer tmp.cleanup();	1016	defer tmp.cleanup();
961	try tmp.parent_dir.deleteTree(&tmp.sub_path);	1017	try tmp.parent_dir.deleteTree(&tmp.sub_path);
...	@@ -987,6 +1043,8 @@ fn testFilenameLimits(iterable_dir: IterableDir, maxed_filename: []const u8) !vo	...	@@ -987,6 +1043,8 @@ fn testFilenameLimits(iterable_dir: IterableDir, maxed_filename: []const u8) !vo
987	}	1043	}
988		1044
989	test "max file name component lengths" {	1045	test "max file name component lengths" {
		1046	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1047
990	var tmp = tmpIterableDir(.{});	1048	var tmp = tmpIterableDir(.{});
991	defer tmp.cleanup();	1049	defer tmp.cleanup();
992		1050
...	@@ -1008,6 +1066,8 @@ test "max file name component lengths" {	...	@@ -1008,6 +1066,8 @@ test "max file name component lengths" {
1008	}	1066	}
1009		1067
1010	test "writev, readv" {	1068	test "writev, readv" {
		1069	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1070
1011	var tmp = tmpDir(.{});	1071	var tmp = tmpDir(.{});
1012	defer tmp.cleanup();	1072	defer tmp.cleanup();
1013		1073
...	@@ -1050,6 +1110,8 @@ test "writev, readv" {	...	@@ -1050,6 +1110,8 @@ test "writev, readv" {
1050	}	1110	}
1051		1111
1052	test "pwritev, preadv" {	1112	test "pwritev, preadv" {
		1113	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1114
1053	var tmp = tmpDir(.{});	1115	var tmp = tmpDir(.{});
1054	defer tmp.cleanup();	1116	defer tmp.cleanup();
1055		1117
...	@@ -1091,6 +1153,8 @@ test "pwritev, preadv" {	...	@@ -1091,6 +1153,8 @@ test "pwritev, preadv" {
1091	}	1153	}
1092		1154
1093	test "access file" {	1155	test "access file" {
		1156	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1157
1094	try testWithAllSupportedPathTypes(struct {	1158	try testWithAllSupportedPathTypes(struct {
1095	fn impl(ctx: *TestContext) !void {	1159	fn impl(ctx: *TestContext) !void {
1096	const dir_path = try ctx.transformPath("os_test_tmp");	1160	const dir_path = try ctx.transformPath("os_test_tmp");
...	@@ -1107,6 +1171,8 @@ test "access file" {	...	@@ -1107,6 +1171,8 @@ test "access file" {
1107	}	1171	}
1108		1172
1109	test "sendfile" {	1173	test "sendfile" {
		1174	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1175
1110	var tmp = tmpDir(.{});	1176	var tmp = tmpDir(.{});
1111	defer tmp.cleanup();	1177	defer tmp.cleanup();
1112		1178
...	@@ -1172,6 +1238,8 @@ test "sendfile" {	...	@@ -1172,6 +1238,8 @@ test "sendfile" {
1172	}	1238	}
1173		1239
1174	test "copyRangeAll" {	1240	test "copyRangeAll" {
		1241	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1242
1175	var tmp = tmpDir(.{});	1243	var tmp = tmpDir(.{});
1176	defer tmp.cleanup();	1244	defer tmp.cleanup();
1177		1245
...	@@ -1198,6 +1266,8 @@ test "copyRangeAll" {	...	@@ -1198,6 +1266,8 @@ test "copyRangeAll" {
1198	}	1266	}
1199		1267
1200	test "copyFile" {	1268	test "copyFile" {
		1269	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1270
1201	try testWithAllSupportedPathTypes(struct {	1271	try testWithAllSupportedPathTypes(struct {
1202	fn impl(ctx: *TestContext) !void {	1272	fn impl(ctx: *TestContext) !void {
1203	const data = "u6wj+JmdF3qHsFPE BUlH2g4gJCmEz0PP";	1273	const data = "u6wj+JmdF3qHsFPE BUlH2g4gJCmEz0PP";
...	@@ -1228,6 +1298,8 @@ fn expectFileContents(dir: Dir, file_path: []const u8, data: []const u8) !void {	...	@@ -1228,6 +1298,8 @@ fn expectFileContents(dir: Dir, file_path: []const u8, data: []const u8) !void {
1228	}	1298	}
1229		1299
1230	test "AtomicFile" {	1300	test "AtomicFile" {
		1301	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1302
1231	try testWithAllSupportedPathTypes(struct {	1303	try testWithAllSupportedPathTypes(struct {
1232	fn impl(ctx: *TestContext) !void {	1304	fn impl(ctx: *TestContext) !void {
1233	const allocator = ctx.arena.allocator();	1305	const allocator = ctx.arena.allocator();
...	@@ -1254,6 +1326,8 @@ test "AtomicFile" {	...	@@ -1254,6 +1326,8 @@ test "AtomicFile" {
1254	test "open file with exclusive nonblocking lock twice" {	1326	test "open file with exclusive nonblocking lock twice" {
1255	if (builtin.os.tag == .wasi) return error.SkipZigTest;	1327	if (builtin.os.tag == .wasi) return error.SkipZigTest;
1256		1328
		1329	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1330
1257	try testWithAllSupportedPathTypes(struct {	1331	try testWithAllSupportedPathTypes(struct {
1258	fn impl(ctx: *TestContext) !void {	1332	fn impl(ctx: *TestContext) !void {
1259	const filename = try ctx.transformPath("file_nonblocking_lock_test.txt");	1333	const filename = try ctx.transformPath("file_nonblocking_lock_test.txt");
...	@@ -1270,6 +1344,8 @@ test "open file with exclusive nonblocking lock twice" {	...	@@ -1270,6 +1344,8 @@ test "open file with exclusive nonblocking lock twice" {
1270	test "open file with shared and exclusive nonblocking lock" {	1344	test "open file with shared and exclusive nonblocking lock" {
1271	if (builtin.os.tag == .wasi) return error.SkipZigTest;	1345	if (builtin.os.tag == .wasi) return error.SkipZigTest;
1272		1346
		1347	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1348
1273	try testWithAllSupportedPathTypes(struct {	1349	try testWithAllSupportedPathTypes(struct {
1274	fn impl(ctx: *TestContext) !void {	1350	fn impl(ctx: *TestContext) !void {
1275	const filename = try ctx.transformPath("file_nonblocking_lock_test.txt");	1351	const filename = try ctx.transformPath("file_nonblocking_lock_test.txt");
...	@@ -1286,6 +1362,8 @@ test "open file with shared and exclusive nonblocking lock" {	...	@@ -1286,6 +1362,8 @@ test "open file with shared and exclusive nonblocking lock" {
1286	test "open file with exclusive and shared nonblocking lock" {	1362	test "open file with exclusive and shared nonblocking lock" {
1287	if (builtin.os.tag == .wasi) return error.SkipZigTest;	1363	if (builtin.os.tag == .wasi) return error.SkipZigTest;
1288		1364
		1365	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1366
1289	try testWithAllSupportedPathTypes(struct {	1367	try testWithAllSupportedPathTypes(struct {
1290	fn impl(ctx: *TestContext) !void {	1368	fn impl(ctx: *TestContext) !void {
1291	const filename = try ctx.transformPath("file_nonblocking_lock_test.txt");	1369	const filename = try ctx.transformPath("file_nonblocking_lock_test.txt");
...	@@ -1300,6 +1378,8 @@ test "open file with exclusive and shared nonblocking lock" {	...	@@ -1300,6 +1378,8 @@ test "open file with exclusive and shared nonblocking lock" {
1300	}	1378	}
1301		1379
1302	test "open file with exclusive lock twice, make sure second lock waits" {	1380	test "open file with exclusive lock twice, make sure second lock waits" {
		1381	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1382
1303	if (builtin.single_threaded) return error.SkipZigTest;	1383	if (builtin.single_threaded) return error.SkipZigTest;
1304		1384
1305	if (std.io.is_async) {	1385	if (std.io.is_async) {
...	@@ -1350,6 +1430,8 @@ test "open file with exclusive lock twice, make sure second lock waits" {	...	@@ -1350,6 +1430,8 @@ test "open file with exclusive lock twice, make sure second lock waits" {
1350	test "open file with exclusive nonblocking lock twice (absolute paths)" {	1430	test "open file with exclusive nonblocking lock twice (absolute paths)" {
1351	if (builtin.os.tag == .wasi) return error.SkipZigTest;	1431	if (builtin.os.tag == .wasi) return error.SkipZigTest;
1352		1432
		1433	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1434
1353	var random_bytes: [12]u8 = undefined;	1435	var random_bytes: [12]u8 = undefined;
1354	std.crypto.random.bytes(&random_bytes);	1436	std.crypto.random.bytes(&random_bytes);
1355		1437
...	@@ -1384,6 +1466,8 @@ test "open file with exclusive nonblocking lock twice (absolute paths)" {	...	@@ -1384,6 +1466,8 @@ test "open file with exclusive nonblocking lock twice (absolute paths)" {
1384	test "walker" {	1466	test "walker" {
1385	if (builtin.os.tag == .wasi and builtin.link_libc) return error.SkipZigTest;	1467	if (builtin.os.tag == .wasi and builtin.link_libc) return error.SkipZigTest;
1386		1468
		1469	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1470
1387	var tmp = tmpIterableDir(.{});	1471	var tmp = tmpIterableDir(.{});
1388	defer tmp.cleanup();	1472	defer tmp.cleanup();
1389		1473
...	@@ -1437,6 +1521,8 @@ test "walker" {	...	@@ -1437,6 +1521,8 @@ test "walker" {
1437	test "walker without fully iterating" {	1521	test "walker without fully iterating" {
1438	if (builtin.os.tag == .wasi and builtin.link_libc) return error.SkipZigTest;	1522	if (builtin.os.tag == .wasi and builtin.link_libc) return error.SkipZigTest;
1439		1523
		1524	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1525
1440	var tmp = tmpIterableDir(.{});	1526	var tmp = tmpIterableDir(.{});
1441	defer tmp.cleanup();	1527	defer tmp.cleanup();
1442		1528
...	@@ -1460,6 +1546,8 @@ test "walker without fully iterating" {	...	@@ -1460,6 +1546,8 @@ test "walker without fully iterating" {
1460	test ". and .. in fs.Dir functions" {	1546	test ". and .. in fs.Dir functions" {
1461	if (builtin.os.tag == .wasi and builtin.link_libc) return error.SkipZigTest;	1547	if (builtin.os.tag == .wasi and builtin.link_libc) return error.SkipZigTest;
1462		1548
		1549	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1550
1463	if (builtin.os.tag == .windows and builtin.cpu.arch == .aarch64) {	1551	if (builtin.os.tag == .windows and builtin.cpu.arch == .aarch64) {
1464	// https://github.com/ziglang/zig/issues/17134	1552	// https://github.com/ziglang/zig/issues/17134
1465	return error.SkipZigTest;	1553	return error.SkipZigTest;
...	@@ -1500,6 +1588,8 @@ test ". and .. in fs.Dir functions" {	...	@@ -1500,6 +1588,8 @@ test ". and .. in fs.Dir functions" {
1500	test ". and .. in absolute functions" {	1588	test ". and .. in absolute functions" {
1501	if (builtin.os.tag == .wasi) return error.SkipZigTest;	1589	if (builtin.os.tag == .wasi) return error.SkipZigTest;
1502		1590
		1591	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1592
1503	var tmp = tmpDir(.{});	1593	var tmp = tmpDir(.{});
1504	defer tmp.cleanup();	1594	defer tmp.cleanup();
1505		1595
...	@@ -1545,6 +1635,8 @@ test "chmod" {	...	@@ -1545,6 +1635,8 @@ test "chmod" {
1545	if (builtin.os.tag == .windows or builtin.os.tag == .wasi)	1635	if (builtin.os.tag == .windows or builtin.os.tag == .wasi)
1546	return error.SkipZigTest;	1636	return error.SkipZigTest;
1547		1637
		1638	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1639
1548	var tmp = tmpDir(.{});	1640	var tmp = tmpDir(.{});
1549	defer tmp.cleanup();	1641	defer tmp.cleanup();
1550		1642
...	@@ -1567,6 +1659,8 @@ test "chown" {	...	@@ -1567,6 +1659,8 @@ test "chown" {
1567	if (builtin.os.tag == .windows or builtin.os.tag == .wasi)	1659	if (builtin.os.tag == .windows or builtin.os.tag == .wasi)
1568	return error.SkipZigTest;	1660	return error.SkipZigTest;
1569		1661
		1662	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1663
1570	var tmp = tmpDir(.{});	1664	var tmp = tmpDir(.{});
1571	defer tmp.cleanup();	1665	defer tmp.cleanup();
1572		1666
...	@@ -1582,6 +1676,8 @@ test "chown" {	...	@@ -1582,6 +1676,8 @@ test "chown" {
1582	}	1676	}
1583		1677
1584	test "File.Metadata" {	1678	test "File.Metadata" {
		1679	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1680
1585	var tmp = tmpDir(.{});	1681	var tmp = tmpDir(.{});
1586	defer tmp.cleanup();	1682	defer tmp.cleanup();
1587		1683
...	@@ -1600,6 +1696,8 @@ test "File.Permissions" {	...	@@ -1600,6 +1696,8 @@ test "File.Permissions" {
1600	if (builtin.os.tag == .wasi)	1696	if (builtin.os.tag == .wasi)
1601	return error.SkipZigTest;	1697	return error.SkipZigTest;
1602		1698
		1699	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1700
1603	var tmp = tmpDir(.{});	1701	var tmp = tmpDir(.{});
1604	defer tmp.cleanup();	1702	defer tmp.cleanup();
1605		1703
...	@@ -1626,6 +1724,8 @@ test "File.PermissionsUnix" {	...	@@ -1626,6 +1724,8 @@ test "File.PermissionsUnix" {
1626	if (builtin.os.tag == .windows or builtin.os.tag == .wasi)	1724	if (builtin.os.tag == .windows or builtin.os.tag == .wasi)
1627	return error.SkipZigTest;	1725	return error.SkipZigTest;
1628		1726
		1727	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1728
1629	var tmp = tmpDir(.{});	1729	var tmp = tmpDir(.{});
1630	defer tmp.cleanup();	1730	defer tmp.cleanup();
1631		1731
...	@@ -1661,6 +1761,8 @@ test "delete a read-only file on windows" {	...	@@ -1661,6 +1761,8 @@ test "delete a read-only file on windows" {
1661	if (builtin.os.tag != .windows)	1761	if (builtin.os.tag != .windows)
1662	return error.SkipZigTest;	1762	return error.SkipZigTest;
1663		1763
		1764	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1765
1664	var tmp = testing.tmpDir(.{});	1766	var tmp = testing.tmpDir(.{});
1665	defer tmp.cleanup();	1767	defer tmp.cleanup();
1666		1768
...	@@ -1691,6 +1793,8 @@ test "delete a read-only file on windows" {	...	@@ -1691,6 +1793,8 @@ test "delete a read-only file on windows" {
1691	test "delete a setAsCwd directory on Windows" {	1793	test "delete a setAsCwd directory on Windows" {
1692	if (builtin.os.tag != .windows) return error.SkipZigTest;	1794	if (builtin.os.tag != .windows) return error.SkipZigTest;
1693		1795
		1796	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1797
1694	var tmp = tmpDir(.{});	1798	var tmp = tmpDir(.{});
1695	// Set tmp dir as current working directory.	1799	// Set tmp dir as current working directory.
1696	try tmp.dir.setAsCwd();	1800	try tmp.dir.setAsCwd();

lib/std/hash/auto_hash.zig+21

...	@@ -1,5 +1,6 @@	...	@@ -1,5 +1,6 @@
1	const std = @import("std");	1	const std = @import("std");
2	const assert = std.debug.assert;	2	const assert = std.debug.assert;
		3	const builtin = @import("builtin");
3	const mem = std.mem;	4	const mem = std.mem;
4	const meta = std.meta;	5	const meta = std.meta;
5		6
...	@@ -252,6 +253,8 @@ test "typeContainsSlice" {	...	@@ -252,6 +253,8 @@ test "typeContainsSlice" {
252	}	253	}
253		254
254	test "hash pointer" {	255	test "hash pointer" {
		256	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		257
255	const array = [_]u32{ 123, 123, 123 };	258	const array = [_]u32{ 123, 123, 123 };
256	const a = &array[0];	259	const a = &array[0];
257	const b = &array[1];	260	const b = &array[1];
...	@@ -272,6 +275,8 @@ test "hash pointer" {	...	@@ -272,6 +275,8 @@ test "hash pointer" {
272	}	275	}
273		276
274	test "hash slice shallow" {	277	test "hash slice shallow" {
		278	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		279
275	// Allocate one array dynamically so that we're assured it is not merged	280	// Allocate one array dynamically so that we're assured it is not merged
276	// with the other by the optimization passes.	281	// with the other by the optimization passes.
277	const array1 = try std.testing.allocator.create([6]u32);	282	const array1 = try std.testing.allocator.create([6]u32);
...	@@ -290,6 +295,8 @@ test "hash slice shallow" {	...	@@ -290,6 +295,8 @@ test "hash slice shallow" {
290	}	295	}
291		296
292	test "hash slice deep" {	297	test "hash slice deep" {
		298	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		299
293	// Allocate one array dynamically so that we're assured it is not merged	300	// Allocate one array dynamically so that we're assured it is not merged
294	// with the other by the optimization passes.	301	// with the other by the optimization passes.
295	const array1 = try std.testing.allocator.create([6]u32);	302	const array1 = try std.testing.allocator.create([6]u32);
...	@@ -306,6 +313,8 @@ test "hash slice deep" {	...	@@ -306,6 +313,8 @@ test "hash slice deep" {
306	}	313	}
307		314
308	test "hash struct deep" {	315	test "hash struct deep" {
		316	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		317
309	const Foo = struct {	318	const Foo = struct {
310	a: u32,	319	a: u32,
311	b: u16,	320	b: u16,
...	@@ -345,6 +354,8 @@ test "hash struct deep" {	...	@@ -345,6 +354,8 @@ test "hash struct deep" {
345	}	354	}
346		355
347	test "testHash optional" {	356	test "testHash optional" {
		357	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		358
348	const a: ?u32 = 123;	359	const a: ?u32 = 123;
349	const b: ?u32 = null;	360	const b: ?u32 = null;
350	try testing.expectEqual(testHash(a), testHash(@as(u32, 123)));	361	try testing.expectEqual(testHash(a), testHash(@as(u32, 123)));
...	@@ -353,6 +364,8 @@ test "testHash optional" {	...	@@ -353,6 +364,8 @@ test "testHash optional" {
353	}	364	}
354		365
355	test "testHash array" {	366	test "testHash array" {
		367	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		368
356	const a = [_]u32{ 1, 2, 3 };	369	const a = [_]u32{ 1, 2, 3 };
357	const h = testHash(a);	370	const h = testHash(a);
358	var hasher = Wyhash.init(0);	371	var hasher = Wyhash.init(0);
...	@@ -369,6 +382,8 @@ test "testHash multi-dimensional array" {	...	@@ -369,6 +382,8 @@ test "testHash multi-dimensional array" {
369	}	382	}
370		383
371	test "testHash struct" {	384	test "testHash struct" {
		385	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		386
372	const Foo = struct {	387	const Foo = struct {
373	a: u32 = 1,	388	a: u32 = 1,
374	b: u32 = 2,	389	b: u32 = 2,
...	@@ -384,6 +399,8 @@ test "testHash struct" {	...	@@ -384,6 +399,8 @@ test "testHash struct" {
384	}	399	}
385		400
386	test "testHash union" {	401	test "testHash union" {
		402	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		403
387	const Foo = union(enum) {	404	const Foo = union(enum) {
388	A: u32,	405	A: u32,
389	B: bool,	406	B: bool,
...	@@ -408,6 +425,8 @@ test "testHash union" {	...	@@ -408,6 +425,8 @@ test "testHash union" {
408	}	425	}
409		426
410	test "testHash vector" {	427	test "testHash vector" {
		428	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		429
411	const a: @Vector(4, u32) = [_]u32{ 1, 2, 3, 4 };	430	const a: @Vector(4, u32) = [_]u32{ 1, 2, 3, 4 };
412	const b: @Vector(4, u32) = [_]u32{ 1, 2, 3, 5 };	431	const b: @Vector(4, u32) = [_]u32{ 1, 2, 3, 5 };
413	try testing.expect(testHash(a) == testHash(a));	432	try testing.expect(testHash(a) == testHash(a));
...	@@ -420,6 +439,8 @@ test "testHash vector" {	...	@@ -420,6 +439,8 @@ test "testHash vector" {
420	}	439	}
421		440
422	test "testHash error union" {	441	test "testHash error union" {
		442	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		443
423	const Errors = error{Test};	444	const Errors = error{Test};
424	const Foo = struct {	445	const Foo = struct {
425	a: u32 = 1,	446	a: u32 = 1,

lib/std/hash/wyhash.zig+2

...	@@ -242,6 +242,8 @@ test "smhasher" {	...	@@ -242,6 +242,8 @@ test "smhasher" {
242	}	242	}
243		243
244	test "iterative api" {	244	test "iterative api" {
		245	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		246
245	const Test = struct {	247	const Test = struct {
246	fn do() !void {	248	fn do() !void {
247	try verify.iterativeApi(Wyhash);	249	try verify.iterativeApi(Wyhash);

lib/std/hash/xxhash.zig+18

...	@@ -803,6 +803,8 @@ fn testExpect(comptime H: type, seed: anytype, input: []const u8, expected: u64)	...	@@ -803,6 +803,8 @@ fn testExpect(comptime H: type, seed: anytype, input: []const u8, expected: u64)
803	}	803	}
804		804
805	test "xxhash3" {	805	test "xxhash3" {
		806	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		807
806	const H = XxHash3;	808	const H = XxHash3;
807	// Non-Seeded Tests	809	// Non-Seeded Tests
808	try testExpect(H, 0, "", 0x2d06800538d394c2);	810	try testExpect(H, 0, "", 0x2d06800538d394c2);
...	@@ -834,6 +836,8 @@ test "xxhash3" {	...	@@ -834,6 +836,8 @@ test "xxhash3" {
834	}	836	}
835		837
836	test "xxhash3 smhasher" {	838	test "xxhash3 smhasher" {
		839	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		840
837	const Test = struct {	841	const Test = struct {
838	fn do() !void {	842	fn do() !void {
839	try expectEqual(verify.smhasher(XxHash3.hash), 0x9a636405);	843	try expectEqual(verify.smhasher(XxHash3.hash), 0x9a636405);
...	@@ -845,6 +849,8 @@ test "xxhash3 smhasher" {	...	@@ -845,6 +849,8 @@ test "xxhash3 smhasher" {
845	}	849	}
846		850
847	test "xxhash3 iterative api" {	851	test "xxhash3 iterative api" {
		852	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		853
848	const Test = struct {	854	const Test = struct {
849	fn do() !void {	855	fn do() !void {
850	try verify.iterativeApi(XxHash3);	856	try verify.iterativeApi(XxHash3);
...	@@ -856,6 +862,8 @@ test "xxhash3 iterative api" {	...	@@ -856,6 +862,8 @@ test "xxhash3 iterative api" {
856	}	862	}
857		863
858	test "xxhash64" {	864	test "xxhash64" {
		865	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		866
859	const H = XxHash64;	867	const H = XxHash64;
860	try testExpect(H, 0, "", 0xef46db3751d8e999);	868	try testExpect(H, 0, "", 0xef46db3751d8e999);
861	try testExpect(H, 0, "a", 0xd24ec4f1a98c6e5b);	869	try testExpect(H, 0, "a", 0xd24ec4f1a98c6e5b);
...	@@ -867,6 +875,8 @@ test "xxhash64" {	...	@@ -867,6 +875,8 @@ test "xxhash64" {
867	}	875	}
868		876
869	test "xxhash64 smhasher" {	877	test "xxhash64 smhasher" {
		878	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		879
870	const Test = struct {	880	const Test = struct {
871	fn do() !void {	881	fn do() !void {
872	try expectEqual(verify.smhasher(XxHash64.hash), 0x024B7CF4);	882	try expectEqual(verify.smhasher(XxHash64.hash), 0x024B7CF4);
...	@@ -878,6 +888,8 @@ test "xxhash64 smhasher" {	...	@@ -878,6 +888,8 @@ test "xxhash64 smhasher" {
878	}	888	}
879		889
880	test "xxhash64 iterative api" {	890	test "xxhash64 iterative api" {
		891	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		892
881	const Test = struct {	893	const Test = struct {
882	fn do() !void {	894	fn do() !void {
883	try verify.iterativeApi(XxHash64);	895	try verify.iterativeApi(XxHash64);
...	@@ -889,6 +901,8 @@ test "xxhash64 iterative api" {	...	@@ -889,6 +901,8 @@ test "xxhash64 iterative api" {
889	}	901	}
890		902
891	test "xxhash32" {	903	test "xxhash32" {
		904	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		905
892	const H = XxHash32;	906	const H = XxHash32;
893		907
894	try testExpect(H, 0, "", 0x02cc5d05);	908	try testExpect(H, 0, "", 0x02cc5d05);
...	@@ -901,6 +915,8 @@ test "xxhash32" {	...	@@ -901,6 +915,8 @@ test "xxhash32" {
901	}	915	}
902		916
903	test "xxhash32 smhasher" {	917	test "xxhash32 smhasher" {
		918	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		919
904	const Test = struct {	920	const Test = struct {
905	fn do() !void {	921	fn do() !void {
906	try expectEqual(verify.smhasher(XxHash32.hash), 0xBA88B743);	922	try expectEqual(verify.smhasher(XxHash32.hash), 0xBA88B743);
...	@@ -912,6 +928,8 @@ test "xxhash32 smhasher" {	...	@@ -912,6 +928,8 @@ test "xxhash32 smhasher" {
912	}	928	}
913		929
914	test "xxhash32 iterative api" {	930	test "xxhash32 iterative api" {
		931	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		932
915	const Test = struct {	933	const Test = struct {
916	fn do() !void {	934	fn do() !void {
917	try verify.iterativeApi(XxHash32);	935	try verify.iterativeApi(XxHash32);

lib/std/hash_map.zig+2

...	@@ -1873,6 +1873,8 @@ test "std.hash_map multiple removes on same metadata" {	...	@@ -1873,6 +1873,8 @@ test "std.hash_map multiple removes on same metadata" {
1873	}	1873	}
1874		1874
1875	test "std.hash_map put and remove loop in random order" {	1875	test "std.hash_map put and remove loop in random order" {
		1876	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1877
1876	var map = AutoHashMap(u32, u32).init(std.testing.allocator);	1878	var map = AutoHashMap(u32, u32).init(std.testing.allocator);
1877	defer map.deinit();	1879	defer map.deinit();
1878		1880

lib/std/heap/general_purpose_allocator.zig+4

...	@@ -1042,6 +1042,8 @@ const TraceKind = enum {	...	@@ -1042,6 +1042,8 @@ const TraceKind = enum {
1042	const test_config = Config{};	1042	const test_config = Config{};
1043		1043
1044	test "small allocations - free in same order" {	1044	test "small allocations - free in same order" {
		1045	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1046
1045	var gpa = GeneralPurposeAllocator(test_config){};	1047	var gpa = GeneralPurposeAllocator(test_config){};
1046	defer std.testing.expect(gpa.deinit() == .ok) catch @panic("leak");	1048	defer std.testing.expect(gpa.deinit() == .ok) catch @panic("leak");
1047	const allocator = gpa.allocator();	1049	const allocator = gpa.allocator();
...	@@ -1061,6 +1063,8 @@ test "small allocations - free in same order" {	...	@@ -1061,6 +1063,8 @@ test "small allocations - free in same order" {
1061	}	1063	}
1062		1064
1063	test "small allocations - free in reverse order" {	1065	test "small allocations - free in reverse order" {
		1066	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1067
1064	var gpa = GeneralPurposeAllocator(test_config){};	1068	var gpa = GeneralPurposeAllocator(test_config){};
1065	defer std.testing.expect(gpa.deinit() == .ok) catch @panic("leak");	1069	defer std.testing.expect(gpa.deinit() == .ok) catch @panic("leak");
1066	const allocator = gpa.allocator();	1070	const allocator = gpa.allocator();

lib/std/http/Client.zig+6-2

...	@@ -1,6 +1,7 @@	...	@@ -1,6 +1,7 @@
1	//! Connecting and opening requests are threadsafe. Individual requests are not.	1	//! Connecting and opening requests are threadsafe. Individual requests are not.
2		2
3	const std = @import("../std.zig");	3	const std = @import("../std.zig");
		4	const builtin = @import("builtin");
4	const testing = std.testing;	5	const testing = std.testing;
5	const http = std.http;	6	const http = std.http;
6	const mem = std.mem;	7	const mem = std.mem;
...	@@ -427,6 +428,8 @@ pub const Response = struct {	...	@@ -427,6 +428,8 @@ pub const Response = struct {
427	}	428	}
428		429
429	test parseInt3 {	430	test parseInt3 {
		431	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		432
430	const expectEqual = testing.expectEqual;	433	const expectEqual = testing.expectEqual;
431	try expectEqual(@as(u10, 0), parseInt3("000".*));	434	try expectEqual(@as(u10, 0), parseInt3("000".*));
432	try expectEqual(@as(u10, 418), parseInt3("418".*));	435	try expectEqual(@as(u10, 418), parseInt3("418".*));
...	@@ -585,7 +588,7 @@ pub const Request = struct {	...	@@ -585,7 +588,7 @@ pub const Request = struct {
585		588
586	if (!req.headers.contains("user-agent")) {	589	if (!req.headers.contains("user-agent")) {
587	try w.writeAll("User-Agent: zig/");	590	try w.writeAll("User-Agent: zig/");
588	try w.writeAll(@import("builtin").zig_version_string);	591	try w.writeAll(builtin.zig_version_string);
589	try w.writeAll(" (std.http)\r\n");	592	try w.writeAll(" (std.http)\r\n");
590	}	593	}
591		594
...	@@ -1249,7 +1252,6 @@ pub fn fetch(client: *Client, allocator: Allocator, options: FetchOptions) !Fetc	...	@@ -1249,7 +1252,6 @@ pub fn fetch(client: *Client, allocator: Allocator, options: FetchOptions) !Fetc
1249	}	1252	}
1250		1253
1251	test {	1254	test {
1252	const builtin = @import("builtin");
1253	const native_endian = comptime builtin.cpu.arch.endian();	1255	const native_endian = comptime builtin.cpu.arch.endian();
1254	if (builtin.zig_backend == .stage2_llvm and native_endian == .Big) {	1256	if (builtin.zig_backend == .stage2_llvm and native_endian == .Big) {
1255	// https://github.com/ziglang/zig/issues/13782	1257	// https://github.com/ziglang/zig/issues/13782
...	@@ -1258,5 +1260,7 @@ test {	...	@@ -1258,5 +1260,7 @@ test {
1258		1260
1259	if (builtin.os.tag == .wasi) return error.SkipZigTest;	1261	if (builtin.os.tag == .wasi) return error.SkipZigTest;
1260		1262
		1263	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1264
1261	std.testing.refAllDecls(@This());	1265	std.testing.refAllDecls(@This());
1262	}	1266	}

lib/std/http/Server.zig+2

...	@@ -725,6 +725,8 @@ test "HTTP server handles a chunked transfer coding request" {	...	@@ -725,6 +725,8 @@ test "HTTP server handles a chunked transfer coding request" {
725	return error.SkipZigTest;	725	return error.SkipZigTest;
726	}	726	}
727		727
		728	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		729
728	const native_endian = comptime builtin.cpu.arch.endian();	730	const native_endian = comptime builtin.cpu.arch.endian();
729	if (builtin.zig_backend == .stage2_llvm and native_endian == .Big) {	731	if (builtin.zig_backend == .stage2_llvm and native_endian == .Big) {
730	// https://github.com/ziglang/zig/issues/13782	732	// https://github.com/ziglang/zig/issues/13782

lib/std/io/bit_reader.zig+2

...	@@ -164,6 +164,8 @@ pub fn bitReader(	...	@@ -164,6 +164,8 @@ pub fn bitReader(
164	}	164	}
165		165
166	test "api coverage" {	166	test "api coverage" {
		167	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		168
167	const mem_be = [_]u8{ 0b11001101, 0b00001011 };	169	const mem_be = [_]u8{ 0b11001101, 0b00001011 };
168	const mem_le = [_]u8{ 0b00011101, 0b10010101 };	170	const mem_le = [_]u8{ 0b00011101, 0b10010101 };
169		171

lib/std/io/multi_writer.zig+1

...	@@ -36,6 +36,7 @@ pub fn multiWriter(streams: anytype) MultiWriter(@TypeOf(streams)) {	...	@@ -36,6 +36,7 @@ pub fn multiWriter(streams: anytype) MultiWriter(@TypeOf(streams)) {
36	const testing = std.testing;	36	const testing = std.testing;
37		37
38	test "MultiWriter" {	38	test "MultiWriter" {
		39	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
39	var tmp = testing.tmpDir(.{});	40	var tmp = testing.tmpDir(.{});
40	defer tmp.cleanup();	41	defer tmp.cleanup();
41	var f = try tmp.dir.createFile("t.txt", .{});	42	var f = try tmp.dir.createFile("t.txt", .{});

lib/std/io/test.zig+10

...	@@ -15,6 +15,8 @@ const native_endian = builtin.target.cpu.arch.endian();	...	@@ -15,6 +15,8 @@ const native_endian = builtin.target.cpu.arch.endian();
15	const tmpDir = std.testing.tmpDir;	15	const tmpDir = std.testing.tmpDir;
16		16
17	test "write a file, read it, then delete it" {	17	test "write a file, read it, then delete it" {
		18	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		19
18	var tmp = tmpDir(.{});	20	var tmp = tmpDir(.{});
19	defer tmp.cleanup();	21	defer tmp.cleanup();
20		22
...	@@ -61,6 +63,8 @@ test "write a file, read it, then delete it" {	...	@@ -61,6 +63,8 @@ test "write a file, read it, then delete it" {
61	}	63	}
62		64
63	test "BitStreams with File Stream" {	65	test "BitStreams with File Stream" {
		66	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		67
64	var tmp = tmpDir(.{});	68	var tmp = tmpDir(.{});
65	defer tmp.cleanup();	69	defer tmp.cleanup();
66		70
...	@@ -106,6 +110,8 @@ test "BitStreams with File Stream" {	...	@@ -106,6 +110,8 @@ test "BitStreams with File Stream" {
106	}	110	}
107		111
108	test "File seek ops" {	112	test "File seek ops" {
		113	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		114
109	var tmp = tmpDir(.{});	115	var tmp = tmpDir(.{});
110	defer tmp.cleanup();	116	defer tmp.cleanup();
111		117
...	@@ -133,6 +139,8 @@ test "File seek ops" {	...	@@ -133,6 +139,8 @@ test "File seek ops" {
133	}	139	}
134		140
135	test "setEndPos" {	141	test "setEndPos" {
		142	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		143
136	var tmp = tmpDir(.{});	144	var tmp = tmpDir(.{});
137	defer tmp.cleanup();	145	defer tmp.cleanup();
138		146
...	@@ -159,6 +167,8 @@ test "setEndPos" {	...	@@ -159,6 +167,8 @@ test "setEndPos" {
159	}	167	}
160		168
161	test "updateTimes" {	169	test "updateTimes" {
		170	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		171
162	var tmp = tmpDir(.{});	172	var tmp = tmpDir(.{});
163	defer tmp.cleanup();	173	defer tmp.cleanup();
164		174

lib/std/json.zig+9

 @@ -9,6 +9,7 @@
 //! The low-level `writeStream` emits syntax-conformant JSON tokens to a `std.io.Writer`.
 //! The high-level `stringify` serializes a Zig or `Value` type into JSON.
+const builtin = @import("builtin");
 const testing = @import("std").testing;
 const ArrayList = @import("std").ArrayList;
 @@ -23,6 +24,8 @@ test Scanner {
 }
 test parseFromSlice {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     var parsed_str = try parseFromSlice([]const u8, testing.allocator, "\"a\\u0020b\"", .{});
     defer parsed_str.deinit();
     try testing.expectEqualSlices(u8, "a b", parsed_str.value);
 @@ -35,12 +38,16 @@ test parseFromSlice {
 }
 test Value {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     var parsed = try parseFromSlice(Value, testing.allocator, "{\"anything\": \"goes\"}", .{});
     defer parsed.deinit();
     try testing.expectEqualSlices(u8, "goes", parsed.value.object.get("anything").?.string);
 }
 test writeStream {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     var out = ArrayList(u8).init(testing.allocator);
     defer out.deinit();
     var write_stream = writeStream(out.writer(), .{ .whitespace = .indent_2 });
 @@ -58,6 +65,8 @@ test writeStream {
 }
 test stringify {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     var out = ArrayList(u8).init(testing.allocator);
     defer out.deinit();

lib/std/json/JSONTestSuite_test.zig+72

 @@ -104,6 +104,8 @@ test "i_string_utf16LE_no_BOM.json" {
     try any("[\x00\"\x00\xe9\x00\"\x00]\x00");
 }
 test "i_structure_500_nested_arrays.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try any("[" ** 500 ++ "]" ** 500);
 }
 test "i_structure_UTF-8_BOM_empty_object.json" {
 @@ -359,15 +361,21 @@ test "n_object_bracket_key.json" {
     try err("{[: \"x\"}\n");
 }
 test "n_object_comma_instead_of_colon.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try err("{\"x\", null}");
 }
 test "n_object_double_colon.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try err("{\"x\"::\"b\"}");
 }
 test "n_object_emoji.json" {
     try err("{\xf0\x9f\x87\xa8\xf0\x9f\x87\xad}");
 }
 test "n_object_garbage_at_end.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try err("{\"a\":\"a\" 123}");
 }
 test "n_object_key_with_single_quotes.json" {
 @@ -377,18 +385,26 @@ test "n_object_lone_continuation_byte_in_key_and_trailing_comma.json" {
     try err("{\"\xb9\":\"0\",}");
 }
 test "n_object_missing_colon.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try err("{\"a\" b}");
 }
 test "n_object_missing_key.json" {
     try err("{:\"b\"}");
 }
 test "n_object_missing_semicolon.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try err("{\"a\" \"b\"}");
 }
 test "n_object_missing_value.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try err("{\"a\":");
 }
 test "n_object_no-colon.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try err("{\"a\"");
 }
 test "n_object_non_string_key.json" {
 @@ -401,39 +417,59 @@ test "n_object_repeated_null_null.json" {
     try err("{null:null,null:null}");
 }
 test "n_object_several_trailing_commas.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try err("{\"id\":0,,,,,}");
 }
 test "n_object_single_quote.json" {
     try err("{'a':0}");
 }
 test "n_object_trailing_comma.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try err("{\"id\":0,}");
 }
 test "n_object_trailing_comment.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try err("{\"a\":\"b\"}/**/");
 }
 test "n_object_trailing_comment_open.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try err("{\"a\":\"b\"}/**//");
 }
 test "n_object_trailing_comment_slash_open.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try err("{\"a\":\"b\"}//");
 }
 test "n_object_trailing_comment_slash_open_incomplete.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try err("{\"a\":\"b\"}/");
 }
 test "n_object_two_commas_in_a_row.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try err("{\"a\":\"b\",,\"c\":\"d\"}");
 }
 test "n_object_unquoted_key.json" {
     try err("{a: \"b\"}");
 }
 test "n_object_unterminated-value.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try err("{\"a\":\"a");
 }
 test "n_object_with_single_string.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try err("{ \"foo\" : \"bar\", \"a\" }");
 }
 test "n_object_with_trailing_garbage.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try err("{\"a\":\"b\"}#");
 }
 test "n_single_space.json" {
 @@ -560,6 +596,8 @@ test "n_structure_close_unopened_array.json" {
     try err("1]");
 }
 test "n_structure_comma_instead_of_closing_brace.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try err("{\"x\": true,");
 }
 test "n_structure_double_array.json" {
 @@ -590,12 +628,18 @@ test "n_structure_object_followed_by_closing_object.json" {
     try err("{}}");
 }
 test "n_structure_object_unclosed_no_value.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try err("{\"\":");
 }
 test "n_structure_object_with_comment.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try err("{\"a\":/*comment*/\"b\"}");
 }
 test "n_structure_object_with_trailing_garbage.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try err("{\"a\": true} \"x\"");
 }
 test "n_structure_open_array_apostrophe.json" {
 @@ -605,6 +649,8 @@ test "n_structure_open_array_comma.json" {
     try err("[,");
 }
 test "n_structure_open_array_object.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try err("[{\"\":" ** 50000 ++ "\n");
 }
 test "n_structure_open_array_open_object.json" {
 @@ -644,6 +690,8 @@ test "n_structure_single_star.json" {
     try err("*");
 }
 test "n_structure_trailing_#.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try err("{\"a\":\"b\"}#{}");
 }
 test "n_structure_uescaped_LF_before_string.json" {
 @@ -662,6 +710,8 @@ test "n_structure_unclosed_array_unfinished_true.json" {
     try err("[ false, tru");
 }
 test "n_structure_unclosed_object.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try err("{\"asd\":\"asd\"");
 }
 test "n_structure_unicode-identifier.json" {
 @@ -764,39 +814,61 @@ test "y_number_simple_real.json" {
     try ok("[123.456789]");
 }
 test "y_object.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try ok("{\"asd\":\"sdf\", \"dfg\":\"fgh\"}");
 }
 test "y_object_basic.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try ok("{\"asd\":\"sdf\"}");
 }
 test "y_object_duplicated_key.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try ok("{\"a\":\"b\",\"a\":\"c\"}");
 }
 test "y_object_duplicated_key_and_value.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try ok("{\"a\":\"b\",\"a\":\"b\"}");
 }
 test "y_object_empty.json" {
     try ok("{}");
 }
 test "y_object_empty_key.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try ok("{\"\":0}");
 }
 test "y_object_escaped_null_in_key.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try ok("{\"foo\\u0000bar\": 42}");
 }
 test "y_object_extreme_numbers.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try ok("{ \"min\": -1.0e+28, \"max\": 1.0e+28 }");
 }
 test "y_object_long_strings.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try ok("{\"x\":[{\"id\": \"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx\"}], \"id\": \"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx\"}");
 }
 test "y_object_simple.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try ok("{\"a\":[]}");
 }
 test "y_object_string_unicode.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try ok("{\"title\":\"\\u041f\\u043e\\u043b\\u0442\\u043e\\u0440\\u0430 \\u0417\\u0435\\u043c\\u043b\\u0435\\u043a\\u043e\\u043f\\u0430\" }");
 }
 test "y_object_with_newlines.json" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try ok("{\n\"a\": \"b\"\n}");
 }
 test "y_string_1_2_3_bytes_UTF-8_sequences.json" {

lib/std/json/dynamic_test.zig+25

...	@@ -1,4 +1,5 @@	...	@@ -1,4 +1,5 @@
1	const std = @import("std");	1	const std = @import("std");
		2	const builtin = @import("builtin");
2	const mem = std.mem;	3	const mem = std.mem;
3	const testing = std.testing;	4	const testing = std.testing;
4	const ArenaAllocator = std.heap.ArenaAllocator;	5	const ArenaAllocator = std.heap.ArenaAllocator;
...	@@ -18,6 +19,8 @@ const jsonReader = @import("scanner.zig").reader;	...	@@ -18,6 +19,8 @@ const jsonReader = @import("scanner.zig").reader;
18	const JsonReader = @import("scanner.zig").Reader;	19	const JsonReader = @import("scanner.zig").Reader;
19		20
20	test "json.parser.dynamic" {	21	test "json.parser.dynamic" {
		22	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		23
21	const s =	24	const s =
22	\\{	25	\\{
23	\\ "Image": {	26	\\ "Image": {
...	@@ -72,6 +75,8 @@ test "json.parser.dynamic" {	...	@@ -72,6 +75,8 @@ test "json.parser.dynamic" {
72		75
73	const writeStream = @import("./stringify.zig").writeStream;	76	const writeStream = @import("./stringify.zig").writeStream;
74	test "write json then parse it" {	77	test "write json then parse it" {
		78	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		79
75	var out_buffer: [1000]u8 = undefined;	80	var out_buffer: [1000]u8 = undefined;
76		81
77	var fixed_buffer_stream = std.io.fixedBufferStream(&out_buffer);	82	var fixed_buffer_stream = std.io.fixedBufferStream(&out_buffer);
...	@@ -120,12 +125,16 @@ fn testParse(allocator: std.mem.Allocator, json_str: []const u8) !Value {	...	@@ -120,12 +125,16 @@ fn testParse(allocator: std.mem.Allocator, json_str: []const u8) !Value {
120	}	125	}
121		126
122	test "parsing empty string gives appropriate error" {	127	test "parsing empty string gives appropriate error" {
		128	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		129
123	var arena_allocator = std.heap.ArenaAllocator.init(std.testing.allocator);	130	var arena_allocator = std.heap.ArenaAllocator.init(std.testing.allocator);
124	defer arena_allocator.deinit();	131	defer arena_allocator.deinit();
125	try testing.expectError(error.UnexpectedEndOfInput, testParse(arena_allocator.allocator(), ""));	132	try testing.expectError(error.UnexpectedEndOfInput, testParse(arena_allocator.allocator(), ""));
126	}	133	}
127		134
128	test "Value.array allocator should still be usable after parsing" {	135	test "Value.array allocator should still be usable after parsing" {
		136	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		137
129	var parsed = try parseFromSlice(Value, std.testing.allocator, "[]", .{});	138	var parsed = try parseFromSlice(Value, std.testing.allocator, "[]", .{});
130	defer parsed.deinit();	139	defer parsed.deinit();
131		140
...	@@ -138,6 +147,8 @@ test "Value.array allocator should still be usable after parsing" {	...	@@ -138,6 +147,8 @@ test "Value.array allocator should still be usable after parsing" {
138	}	147	}
139		148
140	test "integer after float has proper type" {	149	test "integer after float has proper type" {
		150	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		151
141	var arena_allocator = std.heap.ArenaAllocator.init(std.testing.allocator);	152	var arena_allocator = std.heap.ArenaAllocator.init(std.testing.allocator);
142	defer arena_allocator.deinit();	153	defer arena_allocator.deinit();
143	const parsed = try testParse(arena_allocator.allocator(),	154	const parsed = try testParse(arena_allocator.allocator(),
...	@@ -150,6 +161,8 @@ test "integer after float has proper type" {	...	@@ -150,6 +161,8 @@ test "integer after float has proper type" {
150	}	161	}
151		162
152	test "escaped characters" {	163	test "escaped characters" {
		164	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		165
153	var arena_allocator = std.heap.ArenaAllocator.init(std.testing.allocator);	166	var arena_allocator = std.heap.ArenaAllocator.init(std.testing.allocator);
154	defer arena_allocator.deinit();	167	defer arena_allocator.deinit();
155	const input =	168	const input =
...	@@ -182,6 +195,8 @@ test "escaped characters" {	...	@@ -182,6 +195,8 @@ test "escaped characters" {
182	}	195	}
183		196
184	test "Value.jsonStringify" {	197	test "Value.jsonStringify" {
		198	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		199
185	var vals = [_]Value{	200	var vals = [_]Value{
186	.{ .integer = 1 },	201	.{ .integer = 1 },
187	.{ .integer = 2 },	202	.{ .integer = 2 },
...	@@ -229,6 +244,8 @@ test "Value.jsonStringify" {	...	@@ -229,6 +244,8 @@ test "Value.jsonStringify" {
229	}	244	}
230		245
231	test "parseFromValue(std.json.Value,...)" {	246	test "parseFromValue(std.json.Value,...)" {
		247	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		248
232	const str =	249	const str =
233	\\{	250	\\{
234	\\ "int": 32,	251	\\ "int": 32,
...	@@ -246,6 +263,8 @@ test "parseFromValue(std.json.Value,...)" {	...	@@ -246,6 +263,8 @@ test "parseFromValue(std.json.Value,...)" {
246	}	263	}
247		264
248	test "polymorphic parsing" {	265	test "polymorphic parsing" {
		266	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		267
249	if (true) return error.SkipZigTest; // See https://github.com/ziglang/zig/issues/16108	268	if (true) return error.SkipZigTest; // See https://github.com/ziglang/zig/issues/16108
250	const doc =	269	const doc =
251	\\{ "type": "div",	270	\\{ "type": "div",
...	@@ -291,6 +310,8 @@ test "polymorphic parsing" {	...	@@ -291,6 +310,8 @@ test "polymorphic parsing" {
291	}	310	}
292		311
293	test "long object value" {	312	test "long object value" {
		313	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		314
294	const value = "01234567890123456789";	315	const value = "01234567890123456789";
295	const doc = "{\"key\":\"" ++ value ++ "\"}";	316	const doc = "{\"key\":\"" ++ value ++ "\"}";
296	var fbs = std.io.fixedBufferStream(doc);	317	var fbs = std.io.fixedBufferStream(doc);
...	@@ -303,6 +324,8 @@ test "long object value" {	...	@@ -303,6 +324,8 @@ test "long object value" {
303	}	324	}
304		325
305	test "ParseOptions.max_value_len" {	326	test "ParseOptions.max_value_len" {
		327	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		328
306	var arena = ArenaAllocator.init(testing.allocator);	329	var arena = ArenaAllocator.init(testing.allocator);
307	defer arena.deinit();	330	defer arena.deinit();
308		331
...	@@ -317,6 +340,8 @@ test "ParseOptions.max_value_len" {	...	@@ -317,6 +340,8 @@ test "ParseOptions.max_value_len" {
317	}	340	}
318		341
319	test "many object keys" {	342	test "many object keys" {
		343	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		344
320	const doc =	345	const doc =
321	\\{	346	\\{
322	\\ "k1": "v1",	347	\\ "k1": "v1",

lib/std/json/hashmap_test.zig+13

...	@@ -1,4 +1,5 @@	...	@@ -1,4 +1,5 @@
1	const std = @import("std");	1	const std = @import("std");
		2	const builtin = @import("builtin");
2	const testing = std.testing;	3	const testing = std.testing;
3		4
4	const ArrayHashMap = @import("hashmap.zig").ArrayHashMap;	5	const ArrayHashMap = @import("hashmap.zig").ArrayHashMap;
...	@@ -18,6 +19,8 @@ const T = struct {	...	@@ -18,6 +19,8 @@ const T = struct {
18	};	19	};
19		20
20	test "parse json hashmap" {	21	test "parse json hashmap" {
		22	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		23
21	const doc =	24	const doc =
22	\\{	25	\\{
23	\\ "abc": {"i": 0, "s": "d"},	26	\\ "abc": {"i": 0, "s": "d"},
...	@@ -33,6 +36,8 @@ test "parse json hashmap" {	...	@@ -33,6 +36,8 @@ test "parse json hashmap" {
33	}	36	}
34		37
35	test "parse json hashmap while streaming" {	38	test "parse json hashmap while streaming" {
		39	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		40
36	const doc =	41	const doc =
37	\\{	42	\\{
38	\\ "abc": {"i": 0, "s": "d"},	43	\\ "abc": {"i": 0, "s": "d"},
...	@@ -58,6 +63,8 @@ test "parse json hashmap while streaming" {	...	@@ -58,6 +63,8 @@ test "parse json hashmap while streaming" {
58	}	63	}
59		64
60	test "parse json hashmap duplicate fields" {	65	test "parse json hashmap duplicate fields" {
		66	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		67
61	var arena = std.heap.ArenaAllocator.init(std.testing.allocator);	68	var arena = std.heap.ArenaAllocator.init(std.testing.allocator);
62	defer arena.deinit();	69	defer arena.deinit();
63		70
...	@@ -86,6 +93,8 @@ test "parse json hashmap duplicate fields" {	...	@@ -86,6 +93,8 @@ test "parse json hashmap duplicate fields" {
86	}	93	}
87		94
88	test "stringify json hashmap" {	95	test "stringify json hashmap" {
		96	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		97
89	var value = ArrayHashMap(T){};	98	var value = ArrayHashMap(T){};
90	defer value.deinit(testing.allocator);	99	defer value.deinit(testing.allocator);
91	{	100	{
...	@@ -123,6 +132,8 @@ test "stringify json hashmap" {	...	@@ -123,6 +132,8 @@ test "stringify json hashmap" {
123	}	132	}
124		133
125	test "stringify json hashmap whitespace" {	134	test "stringify json hashmap whitespace" {
		135	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		136
126	var value = ArrayHashMap(T){};	137	var value = ArrayHashMap(T){};
127	defer value.deinit(testing.allocator);	138	defer value.deinit(testing.allocator);
128	try value.map.put(testing.allocator, "abc", .{ .i = 0, .s = "d" });	139	try value.map.put(testing.allocator, "abc", .{ .i = 0, .s = "d" });
...	@@ -147,6 +158,8 @@ test "stringify json hashmap whitespace" {	...	@@ -147,6 +158,8 @@ test "stringify json hashmap whitespace" {
147	}	158	}
148		159
149	test "json parse from value hashmap" {	160	test "json parse from value hashmap" {
		161	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		162
150	const doc =	163	const doc =
151	\\{	164	\\{
152	\\ "abc": {"i": 0, "s": "d"},	165	\\ "abc": {"i": 0, "s": "d"},

lib/std/json/static_test.zig+49

...	@@ -1,4 +1,5 @@	...	@@ -1,4 +1,5 @@
1	const std = @import("std");	1	const std = @import("std");
		2	const builtin = @import("builtin");
2	const testing = std.testing;	3	const testing = std.testing;
3	const ArenaAllocator = std.heap.ArenaAllocator;	4	const ArenaAllocator = std.heap.ArenaAllocator;
4	const Allocator = std.mem.Allocator;	5	const Allocator = std.mem.Allocator;
...	@@ -371,6 +372,8 @@ test "test all types" {	...	@@ -371,6 +372,8 @@ test "test all types" {
371	}	372	}
372		373
373	test "parse" {	374	test "parse" {
		375	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		376
374	try testing.expectEqual(false, try parseFromSliceLeaky(bool, testing.allocator, "false", .{}));	377	try testing.expectEqual(false, try parseFromSliceLeaky(bool, testing.allocator, "false", .{}));
375	try testing.expectEqual(true, try parseFromSliceLeaky(bool, testing.allocator, "true", .{}));	378	try testing.expectEqual(true, try parseFromSliceLeaky(bool, testing.allocator, "true", .{}));
376	try testing.expectEqual(@as(u1, 1), try parseFromSliceLeaky(u1, testing.allocator, "1", .{}));	379	try testing.expectEqual(@as(u1, 1), try parseFromSliceLeaky(u1, testing.allocator, "1", .{}));
...	@@ -389,6 +392,8 @@ test "parse" {	...	@@ -389,6 +392,8 @@ test "parse" {
389	}	392	}
390		393
391	test "parse into enum" {	394	test "parse into enum" {
		395	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		396
392	const T = enum(u32) {	397	const T = enum(u32) {
393	Foo = 42,	398	Foo = 42,
394	Bar,	399	Bar,
...	@@ -402,6 +407,8 @@ test "parse into enum" {	...	@@ -402,6 +407,8 @@ test "parse into enum" {
402	}	407	}
403		408
404	test "parse into that allocates a slice" {	409	test "parse into that allocates a slice" {
		410	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		411
405	{	412	{
406	// string as string	413	// string as string
407	const parsed = try parseFromSlice([]u8, testing.allocator, "\"foo\"", .{});	414	const parsed = try parseFromSlice([]u8, testing.allocator, "\"foo\"", .{});
...	@@ -422,12 +429,16 @@ test "parse into that allocates a slice" {	...	@@ -422,12 +429,16 @@ test "parse into that allocates a slice" {
422	}	429	}
423		430
424	test "parse into sentinel slice" {	431	test "parse into sentinel slice" {
		432	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		433
425	const parsed = try parseFromSlice([:0]const u8, testing.allocator, "\"\\n\"", .{});	434	const parsed = try parseFromSlice([:0]const u8, testing.allocator, "\"\\n\"", .{});
426	defer parsed.deinit();	435	defer parsed.deinit();
427	try testing.expect(std.mem.eql(u8, parsed.value, "\n"));	436	try testing.expect(std.mem.eql(u8, parsed.value, "\n"));
428	}	437	}
429		438
430	test "parse into tagged union" {	439	test "parse into tagged union" {
		440	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		441
431	const T = union(enum) {	442	const T = union(enum) {
432	nothing,	443	nothing,
433	int: i32,	444	int: i32,
...	@@ -443,6 +454,8 @@ test "parse into tagged union" {	...	@@ -443,6 +454,8 @@ test "parse into tagged union" {
443	}	454	}
444		455
445	test "parse into tagged union errors" {	456	test "parse into tagged union errors" {
		457	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		458
446	const T = union(enum) {	459	const T = union(enum) {
447	nothing,	460	nothing,
448	int: i32,	461	int: i32,
...	@@ -465,6 +478,8 @@ test "parse into tagged union errors" {	...	@@ -465,6 +478,8 @@ test "parse into tagged union errors" {
465	}	478	}
466		479
467	test "parse into struct with no fields" {	480	test "parse into struct with no fields" {
		481	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		482
468	const T = struct {};	483	const T = struct {};
469	const parsed = try parseFromSlice(T, testing.allocator, "{}", .{});	484	const parsed = try parseFromSlice(T, testing.allocator, "{}", .{});
470	defer parsed.deinit();	485	defer parsed.deinit();
...	@@ -474,6 +489,8 @@ test "parse into struct with no fields" {	...	@@ -474,6 +489,8 @@ test "parse into struct with no fields" {
474	const test_const_value: usize = 123;	489	const test_const_value: usize = 123;
475		490
476	test "parse into struct with default const pointer field" {	491	test "parse into struct with default const pointer field" {
		492	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		493
477	const T = struct { a: *const usize = &test_const_value };	494	const T = struct { a: *const usize = &test_const_value };
478	const parsed = try parseFromSlice(T, testing.allocator, "{}", .{});	495	const parsed = try parseFromSlice(T, testing.allocator, "{}", .{});
479	defer parsed.deinit();	496	defer parsed.deinit();
...	@@ -489,6 +506,8 @@ const test_default_str_slice: [2][]const u8 = [_][]const u8{	...	@@ -489,6 +506,8 @@ const test_default_str_slice: [2][]const u8 = [_][]const u8{
489	};	506	};
490		507
491	test "freeing parsed structs with pointers to default values" {	508	test "freeing parsed structs with pointers to default values" {
		509	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		510
492	const T = struct {	511	const T = struct {
493	int: *const usize = &test_default_usize,	512	int: *const usize = &test_default_usize,
494	int_ptr: *allowzero align(1) const usize = test_default_usize_ptr,	513	int_ptr: *allowzero align(1) const usize = test_default_usize_ptr,
...	@@ -502,11 +521,15 @@ test "freeing parsed structs with pointers to default values" {	...	@@ -502,11 +521,15 @@ test "freeing parsed structs with pointers to default values" {
502	}	521	}
503		522
504	test "parse into struct where destination and source lengths mismatch" {	523	test "parse into struct where destination and source lengths mismatch" {
		524	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		525
505	const T = struct { a: [2]u8 };	526	const T = struct { a: [2]u8 };
506	try testing.expectError(error.LengthMismatch, parseFromSlice(T, testing.allocator, "{\"a\": \"bbb\"}", .{}));	527	try testing.expectError(error.LengthMismatch, parseFromSlice(T, testing.allocator, "{\"a\": \"bbb\"}", .{}));
507	}	528	}
508		529
509	test "parse into struct with misc fields" {	530	test "parse into struct with misc fields" {
		531	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		532
510	const T = struct {	533	const T = struct {
511	int: i64,	534	int: i64,
512	float: f64,	535	float: f64,
...	@@ -582,6 +605,8 @@ test "parse into struct with misc fields" {	...	@@ -582,6 +605,8 @@ test "parse into struct with misc fields" {
582	}	605	}
583		606
584	test "parse into struct with strings and arrays with sentinels" {	607	test "parse into struct with strings and arrays with sentinels" {
		608	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		609
585	const T = struct {	610	const T = struct {
586	language: [:0]const u8,	611	language: [:0]const u8,
587	language_without_sentinel: []const u8,	612	language_without_sentinel: []const u8,
...	@@ -610,6 +635,8 @@ test "parse into struct with strings and arrays with sentinels" {	...	@@ -610,6 +635,8 @@ test "parse into struct with strings and arrays with sentinels" {
610	}	635	}
611		636
612	test "parse into struct with duplicate field" {	637	test "parse into struct with duplicate field" {
		638	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		639
613	const options_first = ParseOptions{ .duplicate_field_behavior = .use_first };	640	const options_first = ParseOptions{ .duplicate_field_behavior = .use_first };
614	const options_last = ParseOptions{ .duplicate_field_behavior = .use_last };	641	const options_last = ParseOptions{ .duplicate_field_behavior = .use_last };
615		642
...	@@ -629,6 +656,8 @@ test "parse into struct with duplicate field" {	...	@@ -629,6 +656,8 @@ test "parse into struct with duplicate field" {
629	}	656	}
630		657
631	test "parse into struct ignoring unknown fields" {	658	test "parse into struct ignoring unknown fields" {
		659	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		660
632	const T = struct {	661	const T = struct {
633	int: i64,	662	int: i64,
634	language: []const u8,	663	language: []const u8,
...	@@ -667,6 +696,8 @@ test "parse into struct ignoring unknown fields" {	...	@@ -667,6 +696,8 @@ test "parse into struct ignoring unknown fields" {
667	}	696	}
668		697
669	test "parse into tuple" {	698	test "parse into tuple" {
		699	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		700
670	const Union = union(enum) {	701	const Union = union(enum) {
671	char: u8,	702	char: u8,
672	float: f64,	703	float: f64,
...	@@ -722,6 +753,8 @@ const ParseIntoRecursiveUnionDefinitionValue = union(enum) {	...	@@ -722,6 +753,8 @@ const ParseIntoRecursiveUnionDefinitionValue = union(enum) {
722	};	753	};
723		754
724	test "parse into recursive union definition" {	755	test "parse into recursive union definition" {
		756	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		757
725	const T = struct {	758	const T = struct {
726	values: ParseIntoRecursiveUnionDefinitionValue,	759	values: ParseIntoRecursiveUnionDefinitionValue,
727	};	760	};
...	@@ -743,6 +776,8 @@ const ParseIntoDoubleRecursiveUnionValueSecond = union(enum) {	...	@@ -743,6 +776,8 @@ const ParseIntoDoubleRecursiveUnionValueSecond = union(enum) {
743	};	776	};
744		777
745	test "parse into double recursive union definition" {	778	test "parse into double recursive union definition" {
		779	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		780
746	const T = struct {	781	const T = struct {
747	values: ParseIntoDoubleRecursiveUnionValueFirst,	782	values: ParseIntoDoubleRecursiveUnionValueFirst,
748	};	783	};
...	@@ -754,6 +789,8 @@ test "parse into double recursive union definition" {	...	@@ -754,6 +789,8 @@ test "parse into double recursive union definition" {
754	}	789	}
755		790
756	test "parse exponential into int" {	791	test "parse exponential into int" {
		792	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		793
757	const T = struct { int: i64 };	794	const T = struct { int: i64 };
758	const r = try parseFromSliceLeaky(T, testing.allocator, "{ \"int\": 4.2e2 }", .{});	795	const r = try parseFromSliceLeaky(T, testing.allocator, "{ \"int\": 4.2e2 }", .{});
759	try testing.expectEqual(@as(i64, 420), r.int);	796	try testing.expectEqual(@as(i64, 420), r.int);
...	@@ -762,6 +799,8 @@ test "parse exponential into int" {	...	@@ -762,6 +799,8 @@ test "parse exponential into int" {
762	}	799	}
763		800
764	test "parseFromTokenSource" {	801	test "parseFromTokenSource" {
		802	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		803
765	{	804	{
766	var scanner = JsonScanner.initCompleteInput(testing.allocator, "123");	805	var scanner = JsonScanner.initCompleteInput(testing.allocator, "123");
767	defer scanner.deinit();	806	defer scanner.deinit();
...	@@ -781,10 +820,14 @@ test "parseFromTokenSource" {	...	@@ -781,10 +820,14 @@ test "parseFromTokenSource" {
781	}	820	}
782		821
783	test "max_value_len" {	822	test "max_value_len" {
		823	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		824
784	try testing.expectError(error.ValueTooLong, parseFromSlice([]u8, testing.allocator, "\"0123456789\"", .{ .max_value_len = 5 }));	825	try testing.expectError(error.ValueTooLong, parseFromSlice([]u8, testing.allocator, "\"0123456789\"", .{ .max_value_len = 5 }));
785	}	826	}
786		827
787	test "parse into vector" {	828	test "parse into vector" {
		829	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		830
788	const T = struct {	831	const T = struct {
789	vec_i32: @Vector(4, i32),	832	vec_i32: @Vector(4, i32),
790	vec_f32: @Vector(2, f32),	833	vec_f32: @Vector(2, f32),
...	@@ -817,6 +860,8 @@ fn assertKey(	...	@@ -817,6 +860,8 @@ fn assertKey(
817	}	860	}
818	}	861	}
819	test "json parse partial" {	862	test "json parse partial" {
		863	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		864
820	const Inner = struct {	865	const Inner = struct {
821	num: u32,	866	num: u32,
822	yes: bool,	867	yes: bool,
...	@@ -872,6 +917,8 @@ test "json parse partial" {	...	@@ -872,6 +917,8 @@ test "json parse partial" {
872	}	917	}
873		918
874	test "json parse allocate when streaming" {	919	test "json parse allocate when streaming" {
		920	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		921
875	const T = struct {	922	const T = struct {
876	not_const: []u8,	923	not_const: []u8,
877	is_const: []const u8,	924	is_const: []const u8,
...	@@ -902,6 +949,8 @@ test "json parse allocate when streaming" {	...	@@ -902,6 +949,8 @@ test "json parse allocate when streaming" {
902	}	949	}
903		950
904	test "parse at comptime" {	951	test "parse at comptime" {
		952	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		953
905	const doc =	954	const doc =
906	\\{	955	\\{
907	\\ "vals": {	956	\\ "vals": {

lib/std/json/stringify_test.zig+41

 @@ -1,4 +1,5 @@
 const std = @import("std");
+const builtin = @import("builtin");
 const mem = std.mem;
 const testing = std.testing;
 @@ -15,6 +16,8 @@ const writeStreamMaxDepth = @import("stringify.zig").writeStreamMaxDepth;
 const writeStreamArbitraryDepth = @import("stringify.zig").writeStreamArbitraryDepth;
 test "json write stream" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     var out_buf: [1024]u8 = undefined;
     var slice_stream = std.io.fixedBufferStream(&out_buf);
     const out = slice_stream.writer();
 @@ -97,6 +100,8 @@ fn getJsonObject(allocator: std.mem.Allocator) !Value {
 }
 test "stringify null optional fields" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     const MyStruct = struct {
         optional: ?[]const u8 = null,
         required: []const u8 = "something",
 @@ -118,6 +123,8 @@ test "stringify null optional fields" {
 }
 test "stringify basic types" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try testStringify("false", false, .{});
     try testStringify("true", true, .{});
     try testStringify("null", @as(?u8, null), .{});
 @@ -134,6 +141,8 @@ test "stringify basic types" {
 }
 test "stringify string" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try testStringify("\"hello\"", "hello", .{});
     try testStringify("\"with\\nescapes\\r\"", "with\nescapes\r", .{});
     try testStringify("\"with\\nescapes\\r\"", "with\nescapes\r", .{ .escape_unicode = true });
 @@ -158,12 +167,16 @@ test "stringify string" {
 }
 test "stringify many-item sentinel-terminated string" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try testStringify("\"hello\"", @as([*:0]const u8, "hello"), .{});
     try testStringify("\"with\\nescapes\\r\"", @as([*:0]const u8, "with\nescapes\r"), .{ .escape_unicode = true });
     try testStringify("\"with unicode\\u0001\"", @as([*:0]const u8, "with unicode\u{1}"), .{ .escape_unicode = true });
 }
 test "stringify enums" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     const E = enum {
         foo,
         bar,
 @@ -173,11 +186,15 @@ test "stringify enums" {
 }
 test "stringify enum literals" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try testStringify("\"foo\"", .foo, .{});
     try testStringify("\"bar\"", .bar, .{});
 }
 test "stringify tagged unions" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     const T = union(enum) {
         nothing,
         foo: u32,
 @@ -189,12 +206,16 @@ test "stringify tagged unions" {
 }
 test "stringify struct" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try testStringify("{\"foo\":42}", struct {
         foo: u32,
     }{ .foo = 42 }, .{});
 }
 test "emit_strings_as_arrays" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     // Should only affect string values, not object keys.
     try testStringify("{\"foo\":\"bar\"}", .{ .foo = "bar" }, .{});
     try testStringify("{\"foo\":[98,97,114]}", .{ .foo = "bar" }, .{ .emit_strings_as_arrays = true });
 @@ -209,6 +230,8 @@ test "emit_strings_as_arrays" {
 }
 test "stringify struct with indentation" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try testStringify(
         \\{
         \\    "foo": 42,
 @@ -254,6 +277,8 @@ test "stringify struct with indentation" {
 }
 test "stringify struct with void field" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try testStringify("{\"foo\":42}", struct {
         foo: u32,
         bar: void = {},
 @@ -261,6 +286,8 @@ test "stringify struct with void field" {
 }
 test "stringify array of structs" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     const MyStruct = struct {
         foo: u32,
     };
 @@ -272,6 +299,8 @@ test "stringify array of structs" {
 }
 test "stringify struct with custom stringifier" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try testStringify("[\"something special\",42]", struct {
         foo: u32,
         const Self = @This();
 @@ -286,12 +315,16 @@ test "stringify struct with custom stringifier" {
 }
 test "stringify vector" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try testStringify("[1,1]", @as(@Vector(2, u32), @splat(1)), .{});
     try testStringify("\"AA\"", @as(@Vector(2, u8), @splat('A')), .{});
     try testStringify("[65,65]", @as(@Vector(2, u8), @splat('A')), .{ .emit_strings_as_arrays = true });
 }
 test "stringify tuple" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try testStringify("[\"foo\",42]", std.meta.Tuple(&.{ []const u8, usize }){ "foo", 42 }, .{});
 }
 @@ -378,6 +411,8 @@ fn testStringifyArbitraryDepth(expected: []const u8, value: anytype, options: St
 }
 test "stringify alloc" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     const allocator = std.testing.allocator;
     const expected =
         \\{"foo":"bar","answer":42,"my_friend":"sammy"}
 @@ -389,6 +424,8 @@ test "stringify alloc" {
 }
 test "comptime stringify" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     comptime testStringifyMaxDepth("false", false, .{}, null) catch unreachable;
     comptime testStringifyMaxDepth("false", false, .{}, 0) catch unreachable;
     comptime testStringifyArbitraryDepth("false", false, .{}) catch unreachable;
 @@ -409,6 +446,8 @@ test "comptime stringify" {
 }
 test "print" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     var out_buf: [1024]u8 = undefined;
     var slice_stream = std.io.fixedBufferStream(&out_buf);
     const out = slice_stream.writer();
 @@ -440,6 +479,8 @@ test "print" {
 }
 test "nonportable numbers" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try testStringify("9999999999999999", 9999999999999999, .{});
     try testStringify("\"9999999999999999\"", 9999999999999999, .{ .emit_nonportable_numbers_as_strings = true });
 }

lib/std/json/test.zig+5

 @@ -1,4 +1,5 @@
 const std = @import("std");
+const builtin = @import("builtin");
 const testing = std.testing;
 const parseFromSlice = @import("./static.zig").parseFromSlice;
 const validate = @import("./scanner.zig").validate;
 @@ -34,11 +35,15 @@ fn testHighLevelDynamicParser(s: []const u8) !void {
 // Additional tests not part of test JSONTestSuite.
 test "y_trailing_comma_after_empty" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try roundTrip(
         \\{"1":[],"2":{},"3":"4"}
     );
 }
 test "n_object_closed_missing_value" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try err(
         \\{"a":}
     );

lib/std/leb128.zig+4

...	@@ -215,6 +215,8 @@ fn test_read_uleb128_seq(comptime T: type, comptime N: usize, encoded: []const u	...	@@ -215,6 +215,8 @@ fn test_read_uleb128_seq(comptime T: type, comptime N: usize, encoded: []const u
215	}	215	}
216		216
217	test "deserialize signed LEB128" {	217	test "deserialize signed LEB128" {
		218	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		219
218	// Truncated	220	// Truncated
219	try testing.expectError(error.EndOfStream, test_read_stream_ileb128(i64, "\x80"));	221	try testing.expectError(error.EndOfStream, test_read_stream_ileb128(i64, "\x80"));
220		222
...	@@ -361,6 +363,8 @@ test "serialize unsigned LEB128" {	...	@@ -361,6 +363,8 @@ test "serialize unsigned LEB128" {
361	}	363	}
362		364
363	test "serialize signed LEB128" {	365	test "serialize signed LEB128" {
		366	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		367
364	// explicitly test i0 because starting `t` at 0	368	// explicitly test i0 because starting `t` at 0
365	// will break the while loop	369	// will break the while loop
366	try test_write_leb128(@as(i0, 0));	370	try test_write_leb128(@as(i0, 0));

lib/std/math.zig+26

 @@ -492,10 +492,13 @@ pub fn shl(comptime T: type, a: T, shift_amt: anytype) T {
 }
 test "shl" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch == .aarch64) {
         // https://github.com/ziglang/zig/issues/12012
         return error.SkipZigTest;
     }
     try testing.expect(shl(u8, 0b11111111, @as(usize, 3)) == 0b11111000);
     try testing.expect(shl(u8, 0b11111111, @as(usize, 8)) == 0);
     try testing.expect(shl(u8, 0b11111111, @as(usize, 9)) == 0);
 @@ -536,10 +539,13 @@ pub fn shr(comptime T: type, a: T, shift_amt: anytype) T {
 }
 test "shr" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch == .aarch64) {
         // https://github.com/ziglang/zig/issues/12012
         return error.SkipZigTest;
     }
     try testing.expect(shr(u8, 0b11111111, @as(usize, 3)) == 0b00011111);
     try testing.expect(shr(u8, 0b11111111, @as(usize, 8)) == 0);
     try testing.expect(shr(u8, 0b11111111, @as(usize, 9)) == 0);
 @@ -581,10 +587,13 @@ pub fn rotr(comptime T: type, x: T, r: anytype) T {
 }
 test "rotr" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch == .aarch64) {
         // https://github.com/ziglang/zig/issues/12012
         return error.SkipZigTest;
     }
     try testing.expect(rotr(u0, 0b0, @as(usize, 3)) == 0b0);
     try testing.expect(rotr(u5, 0b00001, @as(usize, 0)) == 0b00001);
     try testing.expect(rotr(u6, 0b000001, @as(usize, 7)) == 0b100000);
 @@ -625,10 +634,13 @@ pub fn rotl(comptime T: type, x: T, r: anytype) T {
 }
 test "rotl" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch == .aarch64) {
         // https://github.com/ziglang/zig/issues/12012
         return error.SkipZigTest;
     }
     try testing.expect(rotl(u0, 0b0, @as(usize, 3)) == 0b0);
     try testing.expect(rotl(u5, 0b00001, @as(usize, 0)) == 0b00001);
     try testing.expect(rotl(u6, 0b000001, @as(usize, 7)) == 0b000010);
 @@ -752,6 +764,8 @@ pub fn divTrunc(comptime T: type, numerator: T, denominator: T) !T {
 }
 test "divTrunc" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try testDivTrunc();
     try comptime testDivTrunc();
 }
 @@ -776,6 +790,8 @@ pub fn divFloor(comptime T: type, numerator: T, denominator: T) !T {
 }
 test "divFloor" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try testDivFloor();
     try comptime testDivFloor();
 }
 @@ -813,6 +829,8 @@ pub fn divCeil(comptime T: type, numerator: T, denominator: T) !T {
 }
 test "divCeil" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try testDivCeil();
     try comptime testDivCeil();
 }
 @@ -857,6 +875,8 @@ pub fn divExact(comptime T: type, numerator: T, denominator: T) !T {
 }
 test "divExact" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try testDivExact();
     try comptime testDivExact();
 }
 @@ -887,6 +907,8 @@ test "mod" {
     try comptime testMod();
 }
 fn testMod() !void {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try testing.expect((mod(i32, -5, 3) catch unreachable) == 1);
     try testing.expect((mod(i32, 5, 3) catch unreachable) == 2);
     try testing.expectError(error.NegativeDenominator, mod(i32, 10, -1));
 @@ -909,6 +931,8 @@ pub fn rem(comptime T: type, numerator: T, denominator: T) !T {
 }
 test "rem" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try testRem();
     try comptime testRem();
 }
 @@ -1261,6 +1285,8 @@ pub fn lerp(a: anytype, b: anytype, t: anytype) @TypeOf(a, b, t) {
 }
 test "lerp" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     try testing.expectEqual(@as(f64, 75), lerp(50, 100, 0.5));
     try testing.expectEqual(@as(f32, 43.75), lerp(50, 25, 0.25));
     try testing.expectEqual(@as(f64, -31.25), lerp(-50, 25, 0.25));

lib/std/math/big/int_test.zig+160-13

...	@@ -71,6 +71,8 @@ test "big.int set negative minimum" {	...	@@ -71,6 +71,8 @@ test "big.int set negative minimum" {
71	}	71	}
72		72
73	test "big.int set double-width maximum then zero" {	73	test "big.int set double-width maximum then zero" {
		74	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		75
74	var a = try Managed.initSet(testing.allocator, maxInt(DoubleLimb));	76	var a = try Managed.initSet(testing.allocator, maxInt(DoubleLimb));
75	defer a.deinit();	77	defer a.deinit();
76	try a.set(@as(DoubleLimb, 0));	78	try a.set(@as(DoubleLimb, 0));
...	@@ -244,6 +246,8 @@ test "big.int fits" {	...	@@ -244,6 +246,8 @@ test "big.int fits" {
244	}	246	}
245		247
246	test "big.int string set" {	248	test "big.int string set" {
		249	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		250
247	var a = try Managed.init(testing.allocator);	251	var a = try Managed.init(testing.allocator);
248	defer a.deinit();	252	defer a.deinit();
249		253
...	@@ -260,6 +264,8 @@ test "big.int string negative" {	...	@@ -260,6 +264,8 @@ test "big.int string negative" {
260	}	264	}
261		265
262	test "big.int string set number with underscores" {	266	test "big.int string set number with underscores" {
		267	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		268
263	var a = try Managed.init(testing.allocator);	269	var a = try Managed.init(testing.allocator);
264	defer a.deinit();	270	defer a.deinit();
265		271
...	@@ -268,6 +274,8 @@ test "big.int string set number with underscores" {	...	@@ -268,6 +274,8 @@ test "big.int string set number with underscores" {
268	}	274	}
269		275
270	test "big.int string set case insensitive number" {	276	test "big.int string set case insensitive number" {
		277	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		278
271	var a = try Managed.init(testing.allocator);	279	var a = try Managed.init(testing.allocator);
272	defer a.deinit();	280	defer a.deinit();
273		281
...	@@ -318,6 +326,8 @@ test "big.int twos complement limit set" {	...	@@ -318,6 +326,8 @@ test "big.int twos complement limit set" {
318	}	326	}
319		327
320	test "big.int string to" {	328	test "big.int string to" {
		329	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		330
321	var a = try Managed.initSet(testing.allocator, 120317241209124781241290847124);	331	var a = try Managed.initSet(testing.allocator, 120317241209124781241290847124);
322	defer a.deinit();	332	defer a.deinit();
323		333
...	@@ -358,6 +368,8 @@ test "big.int string to base 16" {	...	@@ -358,6 +368,8 @@ test "big.int string to base 16" {
358	}	368	}
359		369
360	test "big.int neg string to" {	370	test "big.int neg string to" {
		371	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		372
361	var a = try Managed.initSet(testing.allocator, -123907434);	373	var a = try Managed.initSet(testing.allocator, -123907434);
362	defer a.deinit();	374	defer a.deinit();
363		375
...	@@ -380,6 +392,8 @@ test "big.int zero string to" {	...	@@ -380,6 +392,8 @@ test "big.int zero string to" {
380	}	392	}
381		393
382	test "big.int clone" {	394	test "big.int clone" {
		395	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		396
383	var a = try Managed.initSet(testing.allocator, 1234);	397	var a = try Managed.initSet(testing.allocator, 1234);
384	defer a.deinit();	398	defer a.deinit();
385	var b = try a.clone();	399	var b = try a.clone();
...	@@ -517,6 +531,8 @@ test "big.int add multi-single" {	...	@@ -517,6 +531,8 @@ test "big.int add multi-single" {
517	}	531	}
518		532
519	test "big.int add multi-multi" {	533	test "big.int add multi-multi" {
		534	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		535
520	var op1: u128 = 0xefefefef7f7f7f7f;	536	var op1: u128 = 0xefefefef7f7f7f7f;
521	var op2: u128 = 0xfefefefe9f9f9f9f;	537	var op2: u128 = 0xfefefefe9f9f9f9f;
522	var a = try Managed.initSet(testing.allocator, op1);	538	var a = try Managed.initSet(testing.allocator, op1);
...	@@ -618,6 +634,8 @@ test "big.int addWrap single-single, unsigned" {	...	@@ -618,6 +634,8 @@ test "big.int addWrap single-single, unsigned" {
618	}	634	}
619		635
620	test "big.int subWrap single-single, unsigned" {	636	test "big.int subWrap single-single, unsigned" {
		637	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		638
621	var a = try Managed.initSet(testing.allocator, 0);	639	var a = try Managed.initSet(testing.allocator, 0);
622	defer a.deinit();	640	defer a.deinit();
623		641
...	@@ -631,6 +649,8 @@ test "big.int subWrap single-single, unsigned" {	...	@@ -631,6 +649,8 @@ test "big.int subWrap single-single, unsigned" {
631	}	649	}
632		650
633	test "big.int addWrap multi-multi, unsigned, limb aligned" {	651	test "big.int addWrap multi-multi, unsigned, limb aligned" {
		652	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		653
634	var a = try Managed.initSet(testing.allocator, maxInt(DoubleLimb));	654	var a = try Managed.initSet(testing.allocator, maxInt(DoubleLimb));
635	defer a.deinit();	655	defer a.deinit();
636		656
...	@@ -683,6 +703,8 @@ test "big.int subWrap single-single, signed" {	...	@@ -683,6 +703,8 @@ test "big.int subWrap single-single, signed" {
683	}	703	}
684		704
685	test "big.int addWrap multi-multi, signed, limb aligned" {	705	test "big.int addWrap multi-multi, signed, limb aligned" {
		706	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		707
686	var a = try Managed.initSet(testing.allocator, maxInt(SignedDoubleLimb));	708	var a = try Managed.initSet(testing.allocator, maxInt(SignedDoubleLimb));
687	defer a.deinit();	709	defer a.deinit();
688		710
...	@@ -733,6 +755,8 @@ test "big.int subSat single-single, unsigned" {	...	@@ -733,6 +755,8 @@ test "big.int subSat single-single, unsigned" {
733	}	755	}
734		756
735	test "big.int addSat multi-multi, unsigned, limb aligned" {	757	test "big.int addSat multi-multi, unsigned, limb aligned" {
		758	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		759
736	var a = try Managed.initSet(testing.allocator, maxInt(DoubleLimb));	760	var a = try Managed.initSet(testing.allocator, maxInt(DoubleLimb));
737	defer a.deinit();	761	defer a.deinit();
738		762
...	@@ -818,6 +842,8 @@ test "big.int sub single-single" {	...	@@ -818,6 +842,8 @@ test "big.int sub single-single" {
818	}	842	}
819		843
820	test "big.int sub multi-single" {	844	test "big.int sub multi-single" {
		845	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		846
821	var a = try Managed.initSet(testing.allocator, maxInt(Limb) + 1);	847	var a = try Managed.initSet(testing.allocator, maxInt(Limb) + 1);
822	defer a.deinit();	848	defer a.deinit();
823	var b = try Managed.initSet(testing.allocator, 1);	849	var b = try Managed.initSet(testing.allocator, 1);
...	@@ -831,6 +857,8 @@ test "big.int sub multi-single" {	...	@@ -831,6 +857,8 @@ test "big.int sub multi-single" {
831	}	857	}
832		858
833	test "big.int sub multi-multi" {	859	test "big.int sub multi-multi" {
		860	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		861
834	var op1: u128 = 0xefefefefefefefefefefefef;	862	var op1: u128 = 0xefefefefefefefefefefefef;
835	var op2: u128 = 0xabababababababababababab;	863	var op2: u128 = 0xabababababababababababab;
836		864
...	@@ -915,7 +943,10 @@ test "big.int mul multi-single" {	...	@@ -915,7 +943,10 @@ test "big.int mul multi-single" {
915	}	943	}
916		944
917	test "big.int mul multi-multi" {	945	test "big.int mul multi-multi" {
918	if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;	946	switch (builtin.zig_backend) {
		947	.stage2_c, .stage2_x86_64 => return error.SkipZigTest,
		948	else => {},
		949	}
919		950
920	var op1: u256 = 0x998888efefefefefefefef;	951	var op1: u256 = 0x998888efefefefefefefef;
921	var op2: u256 = 0x333000abababababababab;	952	var op2: u256 = 0x333000abababababababab;
...	@@ -932,6 +963,8 @@ test "big.int mul multi-multi" {	...	@@ -932,6 +963,8 @@ test "big.int mul multi-multi" {
932	}	963	}
933		964
934	test "big.int mul alias r with a" {	965	test "big.int mul alias r with a" {
		966	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		967
935	var a = try Managed.initSet(testing.allocator, maxInt(Limb));	968	var a = try Managed.initSet(testing.allocator, maxInt(Limb));
936	defer a.deinit();	969	defer a.deinit();
937	var b = try Managed.initSet(testing.allocator, 2);	970	var b = try Managed.initSet(testing.allocator, 2);
...	@@ -943,6 +976,8 @@ test "big.int mul alias r with a" {	...	@@ -943,6 +976,8 @@ test "big.int mul alias r with a" {
943	}	976	}
944		977
945	test "big.int mul alias r with b" {	978	test "big.int mul alias r with b" {
		979	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		980
946	var a = try Managed.initSet(testing.allocator, maxInt(Limb));	981	var a = try Managed.initSet(testing.allocator, maxInt(Limb));
947	defer a.deinit();	982	defer a.deinit();
948	var b = try Managed.initSet(testing.allocator, 2);	983	var b = try Managed.initSet(testing.allocator, 2);
...	@@ -954,6 +989,8 @@ test "big.int mul alias r with b" {	...	@@ -954,6 +989,8 @@ test "big.int mul alias r with b" {
954	}	989	}
955		990
956	test "big.int mul alias r with a and b" {	991	test "big.int mul alias r with a and b" {
		992	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		993
957	var a = try Managed.initSet(testing.allocator, maxInt(Limb));	994	var a = try Managed.initSet(testing.allocator, maxInt(Limb));
958	defer a.deinit();	995	defer a.deinit();
959		996
...	@@ -989,6 +1026,8 @@ test "big.int mul 0*0" {	...	@@ -989,6 +1026,8 @@ test "big.int mul 0*0" {
989	}	1026	}
990		1027
991	test "big.int mul large" {	1028	test "big.int mul large" {
		1029	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1030
992	var a = try Managed.initCapacity(testing.allocator, 50);	1031	var a = try Managed.initCapacity(testing.allocator, 50);
993	defer a.deinit();	1032	defer a.deinit();
994	var b = try Managed.initCapacity(testing.allocator, 100);	1033	var b = try Managed.initCapacity(testing.allocator, 100);
...	@@ -1036,7 +1075,10 @@ test "big.int mulWrap single-single signed" {	...	@@ -1036,7 +1075,10 @@ test "big.int mulWrap single-single signed" {
1036	}	1075	}
1037		1076
1038	test "big.int mulWrap multi-multi unsigned" {	1077	test "big.int mulWrap multi-multi unsigned" {
1039	if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;	1078	switch (builtin.zig_backend) {
		1079	.stage2_c, .stage2_x86_64 => return error.SkipZigTest,
		1080	else => {},
		1081	}
1040		1082
1041	var op1: u256 = 0x998888efefefefefefefef;	1083	var op1: u256 = 0x998888efefefefefefefef;
1042	var op2: u256 = 0x333000abababababababab;	1084	var op2: u256 = 0x333000abababababababab;
...	@@ -1053,7 +1095,10 @@ test "big.int mulWrap multi-multi unsigned" {	...	@@ -1053,7 +1095,10 @@ test "big.int mulWrap multi-multi unsigned" {
1053	}	1095	}
1054		1096
1055	test "big.int mulWrap multi-multi signed" {	1097	test "big.int mulWrap multi-multi signed" {
1056	if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;	1098	switch (builtin.zig_backend) {
		1099	.stage2_c, .stage2_x86_64 => return error.SkipZigTest,
		1100	else => {},
		1101	}
1057		1102
1058	var a = try Managed.initSet(testing.allocator, maxInt(SignedDoubleLimb) - 1);	1103	var a = try Managed.initSet(testing.allocator, maxInt(SignedDoubleLimb) - 1);
1059	defer a.deinit();	1104	defer a.deinit();
...	@@ -1068,6 +1113,8 @@ test "big.int mulWrap multi-multi signed" {	...	@@ -1068,6 +1113,8 @@ test "big.int mulWrap multi-multi signed" {
1068	}	1113	}
1069		1114
1070	test "big.int mulWrap large" {	1115	test "big.int mulWrap large" {
		1116	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1117
1071	var a = try Managed.initCapacity(testing.allocator, 50);	1118	var a = try Managed.initCapacity(testing.allocator, 50);
1072	defer a.deinit();	1119	defer a.deinit();
1073	var b = try Managed.initCapacity(testing.allocator, 100);	1120	var b = try Managed.initCapacity(testing.allocator, 100);
...	@@ -1124,6 +1171,8 @@ test "big.int div single-half with rem" {	...	@@ -1124,6 +1171,8 @@ test "big.int div single-half with rem" {
1124	}	1171	}
1125		1172
1126	test "big.int div single-single no rem" {	1173	test "big.int div single-single no rem" {
		1174	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1175
1127	// assumes usize is <= 64 bits.	1176	// assumes usize is <= 64 bits.
1128	var a = try Managed.initSet(testing.allocator, 1 << 52);	1177	var a = try Managed.initSet(testing.allocator, 1 << 52);
1129	defer a.deinit();	1178	defer a.deinit();
...	@@ -1141,6 +1190,8 @@ test "big.int div single-single no rem" {	...	@@ -1141,6 +1190,8 @@ test "big.int div single-single no rem" {
1141	}	1190	}
1142		1191
1143	test "big.int div single-single with rem" {	1192	test "big.int div single-single with rem" {
		1193	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1194
1144	var a = try Managed.initSet(testing.allocator, (1 << 52) \| (1 << 33));	1195	var a = try Managed.initSet(testing.allocator, (1 << 52) \| (1 << 33));
1145	defer a.deinit();	1196	defer a.deinit();
1146	var b = try Managed.initSet(testing.allocator, (1 << 35));	1197	var b = try Managed.initSet(testing.allocator, (1 << 35));
...	@@ -1157,6 +1208,8 @@ test "big.int div single-single with rem" {	...	@@ -1157,6 +1208,8 @@ test "big.int div single-single with rem" {
1157	}	1208	}
1158		1209
1159	test "big.int div multi-single no rem" {	1210	test "big.int div multi-single no rem" {
		1211	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1212
1160	var op1: u128 = 0xffffeeeeddddcccc;	1213	var op1: u128 = 0xffffeeeeddddcccc;
1161	var op2: u128 = 34;	1214	var op2: u128 = 34;
1162		1215
...	@@ -1176,6 +1229,8 @@ test "big.int div multi-single no rem" {	...	@@ -1176,6 +1229,8 @@ test "big.int div multi-single no rem" {
1176	}	1229	}
1177		1230
1178	test "big.int div multi-single with rem" {	1231	test "big.int div multi-single with rem" {
		1232	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1233
1179	var op1: u128 = 0xffffeeeeddddcccf;	1234	var op1: u128 = 0xffffeeeeddddcccf;
1180	var op2: u128 = 34;	1235	var op2: u128 = 34;
1181		1236
...	@@ -1195,6 +1250,8 @@ test "big.int div multi-single with rem" {	...	@@ -1195,6 +1250,8 @@ test "big.int div multi-single with rem" {
1195	}	1250	}
1196		1251
1197	test "big.int div multi>2-single" {	1252	test "big.int div multi>2-single" {
		1253	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1254
1198	var op1: u128 = 0xfefefefefefefefefefefefefefefefe;	1255	var op1: u128 = 0xfefefefefefefefefefefefefefefefe;
1199	var op2: u128 = 0xefab8;	1256	var op2: u128 = 0xefab8;
1200		1257
...	@@ -1214,6 +1271,8 @@ test "big.int div multi>2-single" {	...	@@ -1214,6 +1271,8 @@ test "big.int div multi>2-single" {
1214	}	1271	}
1215		1272
1216	test "big.int div single-single q < r" {	1273	test "big.int div single-single q < r" {
		1274	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1275
1217	var a = try Managed.initSet(testing.allocator, 0x0078f432);	1276	var a = try Managed.initSet(testing.allocator, 0x0078f432);
1218	defer a.deinit();	1277	defer a.deinit();
1219	var b = try Managed.initSet(testing.allocator, 0x01000000);	1278	var b = try Managed.initSet(testing.allocator, 0x01000000);
...	@@ -1258,7 +1317,10 @@ test "big.int div q=0 alias" {	...	@@ -1258,7 +1317,10 @@ test "big.int div q=0 alias" {
1258	}	1317	}
1259		1318
1260	test "big.int div multi-multi q < r" {	1319	test "big.int div multi-multi q < r" {
1261	if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;	1320	switch (builtin.zig_backend) {
		1321	.stage2_c, .stage2_x86_64 => return error.SkipZigTest,
		1322	else => {},
		1323	}
1262		1324
1263	const op1 = 0x1ffffffff0078f432;	1325	const op1 = 0x1ffffffff0078f432;
1264	const op2 = 0x1ffffffff01000000;	1326	const op2 = 0x1ffffffff01000000;
...	@@ -1374,6 +1436,8 @@ test "big.int div trunc single-single -/-" {	...	@@ -1374,6 +1436,8 @@ test "big.int div trunc single-single -/-" {
1374	}	1436	}
1375		1437
1376	test "big.int divTrunc #15535" {	1438	test "big.int divTrunc #15535" {
		1439	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1440
1377	var one = try Managed.initSet(testing.allocator, 1);	1441	var one = try Managed.initSet(testing.allocator, 1);
1378	defer one.deinit();	1442	defer one.deinit();
1379	var x = try Managed.initSet(testing.allocator, std.math.pow(u128, 2, 64));	1443	var x = try Managed.initSet(testing.allocator, std.math.pow(u128, 2, 64));
...	@@ -1387,6 +1451,8 @@ test "big.int divTrunc #15535" {	...	@@ -1387,6 +1451,8 @@ test "big.int divTrunc #15535" {
1387	}	1451	}
1388		1452
1389	test "big.int divFloor #10932" {	1453	test "big.int divFloor #10932" {
		1454	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1455
1390	var a = try Managed.init(testing.allocator);	1456	var a = try Managed.init(testing.allocator);
1391	defer a.deinit();	1457	defer a.deinit();
1392		1458
...	@@ -1411,6 +1477,8 @@ test "big.int divFloor #10932" {	...	@@ -1411,6 +1477,8 @@ test "big.int divFloor #10932" {
1411	}	1477	}
1412		1478
1413	test "big.int divFloor #11166" {	1479	test "big.int divFloor #11166" {
		1480	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1481
1414	var a = try Managed.init(testing.allocator);	1482	var a = try Managed.init(testing.allocator);
1415	defer a.deinit();	1483	defer a.deinit();
1416		1484
...	@@ -1438,6 +1506,8 @@ test "big.int divFloor #11166" {	...	@@ -1438,6 +1506,8 @@ test "big.int divFloor #11166" {
1438	}	1506	}
1439		1507
1440	test "big.int gcd #10932" {	1508	test "big.int gcd #10932" {
		1509	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1510
1441	var a = try Managed.init(testing.allocator);	1511	var a = try Managed.init(testing.allocator);
1442	defer a.deinit();	1512	defer a.deinit();
1443		1513
...	@@ -1572,6 +1642,8 @@ test "big.int div floor single-single -/-" {	...	@@ -1572,6 +1642,8 @@ test "big.int div floor single-single -/-" {
1572	}	1642	}
1573		1643
1574	test "big.int div floor no remainder negative quotient" {	1644	test "big.int div floor no remainder negative quotient" {
		1645	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1646
1575	const u: i32 = -0x80000000;	1647	const u: i32 = -0x80000000;
1576	const v: i32 = 1;	1648	const v: i32 = 1;
1577		1649
...	@@ -1629,7 +1701,10 @@ test "big.int div floor positive close to zero" {	...	@@ -1629,7 +1701,10 @@ test "big.int div floor positive close to zero" {
1629	}	1701	}
1630		1702
1631	test "big.int div multi-multi with rem" {	1703	test "big.int div multi-multi with rem" {
1632	if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;	1704	switch (builtin.zig_backend) {
		1705	.stage2_c, .stage2_x86_64 => return error.SkipZigTest,
		1706	else => {},
		1707	}
1633		1708
1634	var a = try Managed.initSet(testing.allocator, 0x8888999911110000ffffeeeeddddccccbbbbaaaa9999);	1709	var a = try Managed.initSet(testing.allocator, 0x8888999911110000ffffeeeeddddccccbbbbaaaa9999);
1635	defer a.deinit();	1710	defer a.deinit();
...	@@ -1647,7 +1722,10 @@ test "big.int div multi-multi with rem" {	...	@@ -1647,7 +1722,10 @@ test "big.int div multi-multi with rem" {
1647	}	1722	}
1648		1723
1649	test "big.int div multi-multi no rem" {	1724	test "big.int div multi-multi no rem" {
1650	if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;	1725	switch (builtin.zig_backend) {
		1726	.stage2_c, .stage2_x86_64 => return error.SkipZigTest,
		1727	else => {},
		1728	}
1651		1729
1652	var a = try Managed.initSet(testing.allocator, 0x8888999911110000ffffeeeedb4fec200ee3a4286361);	1730	var a = try Managed.initSet(testing.allocator, 0x8888999911110000ffffeeeedb4fec200ee3a4286361);
1653	defer a.deinit();	1731	defer a.deinit();
...	@@ -1665,7 +1743,10 @@ test "big.int div multi-multi no rem" {	...	@@ -1665,7 +1743,10 @@ test "big.int div multi-multi no rem" {
1665	}	1743	}
1666		1744
1667	test "big.int div multi-multi (2 branch)" {	1745	test "big.int div multi-multi (2 branch)" {
1668	if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;	1746	switch (builtin.zig_backend) {
		1747	.stage2_c, .stage2_x86_64 => return error.SkipZigTest,
		1748	else => {},
		1749	}
1669		1750
1670	var a = try Managed.initSet(testing.allocator, 0x866666665555555588888887777777761111111111111111);	1751	var a = try Managed.initSet(testing.allocator, 0x866666665555555588888887777777761111111111111111);
1671	defer a.deinit();	1752	defer a.deinit();
...	@@ -1683,7 +1764,10 @@ test "big.int div multi-multi (2 branch)" {	...	@@ -1683,7 +1764,10 @@ test "big.int div multi-multi (2 branch)" {
1683	}	1764	}
1684		1765
1685	test "big.int div multi-multi (3.1/3.3 branch)" {	1766	test "big.int div multi-multi (3.1/3.3 branch)" {
1686	if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;	1767	switch (builtin.zig_backend) {
		1768	.stage2_c, .stage2_x86_64 => return error.SkipZigTest,
		1769	else => {},
		1770	}
1687		1771
1688	var a = try Managed.initSet(testing.allocator, 0x11111111111111111111111111111111111111111111111111111111111111);	1772	var a = try Managed.initSet(testing.allocator, 0x11111111111111111111111111111111111111111111111111111111111111);
1689	defer a.deinit();	1773	defer a.deinit();
...	@@ -1701,7 +1785,10 @@ test "big.int div multi-multi (3.1/3.3 branch)" {	...	@@ -1701,7 +1785,10 @@ test "big.int div multi-multi (3.1/3.3 branch)" {
1701	}	1785	}
1702		1786
1703	test "big.int div multi-single zero-limb trailing" {	1787	test "big.int div multi-single zero-limb trailing" {
1704	if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;	1788	switch (builtin.zig_backend) {
		1789	.stage2_c, .stage2_x86_64 => return error.SkipZigTest,
		1790	else => {},
		1791	}
1705		1792
1706	var a = try Managed.initSet(testing.allocator, 0x60000000000000000000000000000000000000000000000000000000000000000);	1793	var a = try Managed.initSet(testing.allocator, 0x60000000000000000000000000000000000000000000000000000000000000000);
1707	defer a.deinit();	1794	defer a.deinit();
...	@@ -1721,7 +1808,10 @@ test "big.int div multi-single zero-limb trailing" {	...	@@ -1721,7 +1808,10 @@ test "big.int div multi-single zero-limb trailing" {
1721	}	1808	}
1722		1809
1723	test "big.int div multi-multi zero-limb trailing (with rem)" {	1810	test "big.int div multi-multi zero-limb trailing (with rem)" {
1724	if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;	1811	switch (builtin.zig_backend) {
		1812	.stage2_c, .stage2_x86_64 => return error.SkipZigTest,
		1813	else => {},
		1814	}
1725		1815
1726	var a = try Managed.initSet(testing.allocator, 0x86666666555555558888888777777776111111111111111100000000000000000000000000000000);	1816	var a = try Managed.initSet(testing.allocator, 0x86666666555555558888888777777776111111111111111100000000000000000000000000000000);
1727	defer a.deinit();	1817	defer a.deinit();
...	@@ -1742,7 +1832,10 @@ test "big.int div multi-multi zero-limb trailing (with rem)" {	...	@@ -1742,7 +1832,10 @@ test "big.int div multi-multi zero-limb trailing (with rem)" {
1742	}	1832	}
1743		1833
1744	test "big.int div multi-multi zero-limb trailing (with rem) and dividend zero-limb count > divisor zero-limb count" {	1834	test "big.int div multi-multi zero-limb trailing (with rem) and dividend zero-limb count > divisor zero-limb count" {
1745	if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;	1835	switch (builtin.zig_backend) {
		1836	.stage2_c, .stage2_x86_64 => return error.SkipZigTest,
		1837	else => {},
		1838	}
1746		1839
1747	var a = try Managed.initSet(testing.allocator, 0x8666666655555555888888877777777611111111111111110000000000000000);	1840	var a = try Managed.initSet(testing.allocator, 0x8666666655555555888888877777777611111111111111110000000000000000);
1748	defer a.deinit();	1841	defer a.deinit();
...	@@ -1763,7 +1856,10 @@ test "big.int div multi-multi zero-limb trailing (with rem) and dividend zero-li	...	@@ -1763,7 +1856,10 @@ test "big.int div multi-multi zero-limb trailing (with rem) and dividend zero-li
1763	}	1856	}
1764		1857
1765	test "big.int div multi-multi zero-limb trailing (with rem) and dividend zero-limb count < divisor zero-limb count" {	1858	test "big.int div multi-multi zero-limb trailing (with rem) and dividend zero-limb count < divisor zero-limb count" {
1766	if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;	1859	switch (builtin.zig_backend) {
		1860	.stage2_c, .stage2_x86_64 => return error.SkipZigTest,
		1861	else => {},
		1862	}
1767		1863
1768	var a = try Managed.initSet(testing.allocator, 0x86666666555555558888888777777776111111111111111100000000000000000000000000000000);	1864	var a = try Managed.initSet(testing.allocator, 0x86666666555555558888888777777776111111111111111100000000000000000000000000000000);
1769	defer a.deinit();	1865	defer a.deinit();
...	@@ -1786,6 +1882,8 @@ test "big.int div multi-multi zero-limb trailing (with rem) and dividend zero-li	...	@@ -1786,6 +1882,8 @@ test "big.int div multi-multi zero-limb trailing (with rem) and dividend zero-li
1786	}	1882	}
1787		1883
1788	test "big.int div multi-multi fuzz case #1" {	1884	test "big.int div multi-multi fuzz case #1" {
		1885	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1886
1789	var a = try Managed.init(testing.allocator);	1887	var a = try Managed.init(testing.allocator);
1790	defer a.deinit();	1888	defer a.deinit();
1791	var b = try Managed.init(testing.allocator);	1889	var b = try Managed.init(testing.allocator);
...	@@ -1810,6 +1908,8 @@ test "big.int div multi-multi fuzz case #1" {	...	@@ -1810,6 +1908,8 @@ test "big.int div multi-multi fuzz case #1" {
1810	}	1908	}
1811		1909
1812	test "big.int div multi-multi fuzz case #2" {	1910	test "big.int div multi-multi fuzz case #2" {
		1911	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1912
1813	var a = try Managed.init(testing.allocator);	1913	var a = try Managed.init(testing.allocator);
1814	defer a.deinit();	1914	defer a.deinit();
1815	var b = try Managed.init(testing.allocator);	1915	var b = try Managed.init(testing.allocator);
...	@@ -1882,6 +1982,8 @@ test "big.int truncate multi to multi unsigned" {	...	@@ -1882,6 +1982,8 @@ test "big.int truncate multi to multi unsigned" {
1882	}	1982	}
1883		1983
1884	test "big.int truncate multi to multi signed" {	1984	test "big.int truncate multi to multi signed" {
		1985	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1986
1885	var a = try Managed.initSet(testing.allocator, 3 << @bitSizeOf(Limb));	1987	var a = try Managed.initSet(testing.allocator, 3 << @bitSizeOf(Limb));
1886	defer a.deinit();	1988	defer a.deinit();
1887		1989
...	@@ -1891,6 +1993,8 @@ test "big.int truncate multi to multi signed" {	...	@@ -1891,6 +1993,8 @@ test "big.int truncate multi to multi signed" {
1891	}	1993	}
1892		1994
1893	test "big.int truncate negative multi to single" {	1995	test "big.int truncate negative multi to single" {
		1996	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1997
1894	var a = try Managed.initSet(testing.allocator, -@as(SignedDoubleLimb, maxInt(Limb) + 1));	1998	var a = try Managed.initSet(testing.allocator, -@as(SignedDoubleLimb, maxInt(Limb) + 1));
1895	defer a.deinit();	1999	defer a.deinit();
1896		2000
...	@@ -1997,6 +2101,8 @@ test "big.int shift-right multi" {	...	@@ -1997,6 +2101,8 @@ test "big.int shift-right multi" {
1997	}	2101	}
1998		2102
1999	test "big.int shift-left single" {	2103	test "big.int shift-left single" {
		2104	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2105
2000	var a = try Managed.initSet(testing.allocator, 0xffff);	2106	var a = try Managed.initSet(testing.allocator, 0xffff);
2001	defer a.deinit();	2107	defer a.deinit();
2002	try a.shiftLeft(&a, 16);	2108	try a.shiftLeft(&a, 16);
...	@@ -2041,6 +2147,8 @@ test "big.int sat shift-left simple unsigned" {	...	@@ -2041,6 +2147,8 @@ test "big.int sat shift-left simple unsigned" {
2041	}	2147	}
2042		2148
2043	test "big.int sat shift-left simple unsigned no sat" {	2149	test "big.int sat shift-left simple unsigned no sat" {
		2150	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2151
2044	var a = try Managed.initSet(testing.allocator, 1);	2152	var a = try Managed.initSet(testing.allocator, 1);
2045	defer a.deinit();	2153	defer a.deinit();
2046	try a.shiftLeftSat(&a, 16, .unsigned, 21);	2154	try a.shiftLeftSat(&a, 16, .unsigned, 21);
...	@@ -2097,6 +2205,8 @@ test "big.int sat shift-left signed simple positive" {	...	@@ -2097,6 +2205,8 @@ test "big.int sat shift-left signed simple positive" {
2097	}	2205	}
2098		2206
2099	test "big.int sat shift-left signed multi positive" {	2207	test "big.int sat shift-left signed multi positive" {
		2208	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2209
2100	var x: SignedDoubleLimb = 1;	2210	var x: SignedDoubleLimb = 1;
2101	const shift = @bitSizeOf(SignedDoubleLimb) - 1;	2211	const shift = @bitSizeOf(SignedDoubleLimb) - 1;
2102		2212
...	@@ -2108,6 +2218,8 @@ test "big.int sat shift-left signed multi positive" {	...	@@ -2108,6 +2218,8 @@ test "big.int sat shift-left signed multi positive" {
2108	}	2218	}
2109		2219
2110	test "big.int sat shift-left signed multi negative" {	2220	test "big.int sat shift-left signed multi negative" {
		2221	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2222
2111	var x: SignedDoubleLimb = -1;	2223	var x: SignedDoubleLimb = -1;
2112	const shift = @bitSizeOf(SignedDoubleLimb) - 1;	2224	const shift = @bitSizeOf(SignedDoubleLimb) - 1;
2113		2225
...	@@ -2294,6 +2406,8 @@ test "big.int bitwise xor simple" {	...	@@ -2294,6 +2406,8 @@ test "big.int bitwise xor simple" {
2294	}	2406	}
2295		2407
2296	test "big.int bitwise xor multi-limb" {	2408	test "big.int bitwise xor multi-limb" {
		2409	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2410
2297	var x: DoubleLimb = maxInt(Limb) + 1;	2411	var x: DoubleLimb = maxInt(Limb) + 1;
2298	var y: DoubleLimb = maxInt(Limb);	2412	var y: DoubleLimb = maxInt(Limb);
2299	var a = try Managed.initSet(testing.allocator, x);	2413	var a = try Managed.initSet(testing.allocator, x);
...	@@ -2468,6 +2582,8 @@ test "big.int var args" {	...	@@ -2468,6 +2582,8 @@ test "big.int var args" {
2468	}	2582	}
2469		2583
2470	test "big.int gcd non-one small" {	2584	test "big.int gcd non-one small" {
		2585	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2586
2471	var a = try Managed.initSet(testing.allocator, 17);	2587	var a = try Managed.initSet(testing.allocator, 17);
2472	defer a.deinit();	2588	defer a.deinit();
2473	var b = try Managed.initSet(testing.allocator, 97);	2589	var b = try Managed.initSet(testing.allocator, 97);
...	@@ -2481,6 +2597,8 @@ test "big.int gcd non-one small" {	...	@@ -2481,6 +2597,8 @@ test "big.int gcd non-one small" {
2481	}	2597	}
2482		2598
2483	test "big.int gcd non-one medium" {	2599	test "big.int gcd non-one medium" {
		2600	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2601
2484	var a = try Managed.initSet(testing.allocator, 4864);	2602	var a = try Managed.initSet(testing.allocator, 4864);
2485	defer a.deinit();	2603	defer a.deinit();
2486	var b = try Managed.initSet(testing.allocator, 3458);	2604	var b = try Managed.initSet(testing.allocator, 3458);
...	@@ -2494,6 +2612,8 @@ test "big.int gcd non-one medium" {	...	@@ -2494,6 +2612,8 @@ test "big.int gcd non-one medium" {
2494	}	2612	}
2495		2613
2496	test "big.int gcd non-one large" {	2614	test "big.int gcd non-one large" {
		2615	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2616
2497	var a = try Managed.initSet(testing.allocator, 0xffffffffffffffff);	2617	var a = try Managed.initSet(testing.allocator, 0xffffffffffffffff);
2498	defer a.deinit();	2618	defer a.deinit();
2499	var b = try Managed.initSet(testing.allocator, 0xffffffffffffffff7777);	2619	var b = try Managed.initSet(testing.allocator, 0xffffffffffffffff7777);
...	@@ -2507,7 +2627,10 @@ test "big.int gcd non-one large" {	...	@@ -2507,7 +2627,10 @@ test "big.int gcd non-one large" {
2507	}	2627	}
2508		2628
2509	test "big.int gcd large multi-limb result" {	2629	test "big.int gcd large multi-limb result" {
2510	if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;	2630	switch (builtin.zig_backend) {
		2631	.stage2_c, .stage2_x86_64 => return error.SkipZigTest,
		2632	else => {},
		2633	}
2511		2634
2512	var a = try Managed.initSet(testing.allocator, 0x12345678123456781234567812345678123456781234567812345678);	2635	var a = try Managed.initSet(testing.allocator, 0x12345678123456781234567812345678123456781234567812345678);
2513	defer a.deinit();	2636	defer a.deinit();
...	@@ -2523,6 +2646,8 @@ test "big.int gcd large multi-limb result" {	...	@@ -2523,6 +2646,8 @@ test "big.int gcd large multi-limb result" {
2523	}	2646	}
2524		2647
2525	test "big.int gcd one large" {	2648	test "big.int gcd one large" {
		2649	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2650
2526	var a = try Managed.initSet(testing.allocator, 1897056385327307);	2651	var a = try Managed.initSet(testing.allocator, 1897056385327307);
2527	defer a.deinit();	2652	defer a.deinit();
2528	var b = try Managed.initSet(testing.allocator, 2251799813685248);	2653	var b = try Managed.initSet(testing.allocator, 2251799813685248);
...	@@ -2547,6 +2672,8 @@ test "big.int mutable to managed" {	...	@@ -2547,6 +2672,8 @@ test "big.int mutable to managed" {
2547	}	2672	}
2548		2673
2549	test "big.int const to managed" {	2674	test "big.int const to managed" {
		2675	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2676
2550	var a = try Managed.initSet(testing.allocator, 123423453456);	2677	var a = try Managed.initSet(testing.allocator, 123423453456);
2551	defer a.deinit();	2678	defer a.deinit();
2552		2679
...	@@ -2557,6 +2684,8 @@ test "big.int const to managed" {	...	@@ -2557,6 +2684,8 @@ test "big.int const to managed" {
2557	}	2684	}
2558		2685
2559	test "big.int pow" {	2686	test "big.int pow" {
		2687	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2688
2560	{	2689	{
2561	var a = try Managed.initSet(testing.allocator, -3);	2690	var a = try Managed.initSet(testing.allocator, -3);
2562	defer a.deinit();	2691	defer a.deinit();
...	@@ -2612,6 +2741,8 @@ test "big.int pow" {	...	@@ -2612,6 +2741,8 @@ test "big.int pow" {
2612	}	2741	}
2613		2742
2614	test "big.int sqrt" {	2743	test "big.int sqrt" {
		2744	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2745
2615	var r = try Managed.init(testing.allocator);	2746	var r = try Managed.init(testing.allocator);
2616	defer r.deinit();	2747	defer r.deinit();
2617	var a = try Managed.init(testing.allocator);	2748	var a = try Managed.init(testing.allocator);
...	@@ -2642,6 +2773,8 @@ test "big.int sqrt" {	...	@@ -2642,6 +2773,8 @@ test "big.int sqrt" {
2642	}	2773	}
2643		2774
2644	test "big.int regression test for 1 limb overflow with alias" {	2775	test "big.int regression test for 1 limb overflow with alias" {
		2776	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2777
2645	// Note these happen to be two consecutive Fibonacci sequence numbers, the	2778	// Note these happen to be two consecutive Fibonacci sequence numbers, the
2646	// first two whose sum exceeds 2**64.	2779	// first two whose sum exceeds 2**64.
2647	var a = try Managed.initSet(testing.allocator, 7540113804746346429);	2780	var a = try Managed.initSet(testing.allocator, 7540113804746346429);
...	@@ -2656,6 +2789,8 @@ test "big.int regression test for 1 limb overflow with alias" {	...	@@ -2656,6 +2789,8 @@ test "big.int regression test for 1 limb overflow with alias" {
2656	}	2789	}
2657		2790
2658	test "big.int regression test for realloc with alias" {	2791	test "big.int regression test for realloc with alias" {
		2792	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2793
2659	// Note these happen to be two consecutive Fibonacci sequence numbers, the	2794	// Note these happen to be two consecutive Fibonacci sequence numbers, the
2660	// second of which is the first such number to exceed 2**192.	2795	// second of which is the first such number to exceed 2**192.
2661	var a = try Managed.initSet(testing.allocator, 5611500259351924431073312796924978741056961814867751431689);	2796	var a = try Managed.initSet(testing.allocator, 5611500259351924431073312796924978741056961814867751431689);
...	@@ -2670,6 +2805,8 @@ test "big.int regression test for realloc with alias" {	...	@@ -2670,6 +2805,8 @@ test "big.int regression test for realloc with alias" {
2670	}	2805	}
2671		2806
2672	test "big int popcount" {	2807	test "big int popcount" {
		2808	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2809
2673	var a = try Managed.init(testing.allocator);	2810	var a = try Managed.init(testing.allocator);
2674	defer a.deinit();	2811	defer a.deinit();
2675		2812
...	@@ -2750,6 +2887,8 @@ fn popCountTest(val: *const Managed, bit_count: usize, expected: usize) !void {	...	@@ -2750,6 +2887,8 @@ fn popCountTest(val: *const Managed, bit_count: usize, expected: usize) !void {
2750	}	2887	}
2751		2888
2752	test "big int conversion read/write twos complement" {	2889	test "big int conversion read/write twos complement" {
		2890	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2891
2753	var a = try Managed.initSet(testing.allocator, (1 << 493) - 1);	2892	var a = try Managed.initSet(testing.allocator, (1 << 493) - 1);
2754	defer a.deinit();	2893	defer a.deinit();
2755	var b = try Managed.initSet(testing.allocator, (1 << 493) - 1);	2894	var b = try Managed.initSet(testing.allocator, (1 << 493) - 1);
...	@@ -2848,6 +2987,8 @@ test "big int write twos complement +/- zero" {	...	@@ -2848,6 +2987,8 @@ test "big int write twos complement +/- zero" {
2848	}	2987	}
2849		2988
2850	test "big int conversion write twos complement with padding" {	2989	test "big int conversion write twos complement with padding" {
		2990	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2991
2851	var a = try Managed.initSet(testing.allocator, 0x01_ffffffff_ffffffff_ffffffff);	2992	var a = try Managed.initSet(testing.allocator, 0x01_ffffffff_ffffffff_ffffffff);
2852	defer a.deinit();	2993	defer a.deinit();
2853		2994
...	@@ -3031,6 +3172,8 @@ fn byteSwapTest(comptime T: type, comptime input: comptime_int, comptime expecte	...	@@ -3031,6 +3172,8 @@ fn byteSwapTest(comptime T: type, comptime input: comptime_int, comptime expecte
3031	}	3172	}
3032		3173
3033	test "big int byte swap" {	3174	test "big int byte swap" {
		3175	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		3176
3034	var a = try Managed.initSet(testing.allocator, 0x01_ffffffff_ffffffff_ffffffff);	3177	var a = try Managed.initSet(testing.allocator, 0x01_ffffffff_ffffffff_ffffffff);
3035	defer a.deinit();	3178	defer a.deinit();
3036		3179
...	@@ -3075,6 +3218,8 @@ test "big int byte swap" {	...	@@ -3075,6 +3218,8 @@ test "big int byte swap" {
3075	}	3218	}
3076		3219
3077	test "big.int mul multi-multi alias r with a and b" {	3220	test "big.int mul multi-multi alias r with a and b" {
		3221	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		3222
3078	var a = try Managed.initSet(testing.allocator, 2 * maxInt(Limb));	3223	var a = try Managed.initSet(testing.allocator, 2 * maxInt(Limb));
3079	defer a.deinit();	3224	defer a.deinit();
3080		3225
...	@@ -3091,6 +3236,8 @@ test "big.int mul multi-multi alias r with a and b" {	...	@@ -3091,6 +3236,8 @@ test "big.int mul multi-multi alias r with a and b" {
3091	}	3236	}
3092		3237
3093	test "big.int sqr multi alias r with a" {	3238	test "big.int sqr multi alias r with a" {
		3239	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		3240
3094	var a = try Managed.initSet(testing.allocator, 2 * maxInt(Limb));	3241	var a = try Managed.initSet(testing.allocator, 2 * maxInt(Limb));
3095	defer a.deinit();	3242	defer a.deinit();
3096		3243

lib/std/math/big/rational.zig+35

...	@@ -1,4 +1,5 @@	...	@@ -1,4 +1,5 @@
1	const std = @import("../../std.zig");	1	const std = @import("../../std.zig");
		2	const builtin = @import("builtin");
2	const debug = std.debug;	3	const debug = std.debug;
3	const math = std.math;	4	const math = std.math;
4	const mem = std.mem;	5	const mem = std.mem;
...	@@ -493,6 +494,8 @@ fn extractLowBits(a: Int, comptime T: type) T {	...	@@ -493,6 +494,8 @@ fn extractLowBits(a: Int, comptime T: type) T {
493	}	494	}
494		495
495	test "big.rational extractLowBits" {	496	test "big.rational extractLowBits" {
		497	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		498
496	var a = try Int.initSet(testing.allocator, 0x11112222333344441234567887654321);	499	var a = try Int.initSet(testing.allocator, 0x11112222333344441234567887654321);
497	defer a.deinit();	500	defer a.deinit();
498		501
...	@@ -513,6 +516,8 @@ test "big.rational extractLowBits" {	...	@@ -513,6 +516,8 @@ test "big.rational extractLowBits" {
513	}	516	}
514		517
515	test "big.rational set" {	518	test "big.rational set" {
		519	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		520
516	var a = try Rational.init(testing.allocator);	521	var a = try Rational.init(testing.allocator);
517	defer a.deinit();	522	defer a.deinit();
518		523
...	@@ -542,6 +547,8 @@ test "big.rational set" {	...	@@ -542,6 +547,8 @@ test "big.rational set" {
542	}	547	}
543		548
544	test "big.rational setFloat" {	549	test "big.rational setFloat" {
		550	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		551
545	var a = try Rational.init(testing.allocator);	552	var a = try Rational.init(testing.allocator);
546	defer a.deinit();	553	defer a.deinit();
547		554
...	@@ -567,6 +574,8 @@ test "big.rational setFloat" {	...	@@ -567,6 +574,8 @@ test "big.rational setFloat" {
567	}	574	}
568		575
569	test "big.rational setFloatString" {	576	test "big.rational setFloatString" {
		577	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		578
570	var a = try Rational.init(testing.allocator);	579	var a = try Rational.init(testing.allocator);
571	defer a.deinit();	580	defer a.deinit();
572		581
...	@@ -578,6 +587,8 @@ test "big.rational setFloatString" {	...	@@ -578,6 +587,8 @@ test "big.rational setFloatString" {
578	}	587	}
579		588
580	test "big.rational toFloat" {	589	test "big.rational toFloat" {
		590	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		591
581	var a = try Rational.init(testing.allocator);	592	var a = try Rational.init(testing.allocator);
582	defer a.deinit();	593	defer a.deinit();
583		594
...	@@ -591,6 +602,8 @@ test "big.rational toFloat" {	...	@@ -591,6 +602,8 @@ test "big.rational toFloat" {
591	}	602	}
592		603
593	test "big.rational set/to Float round-trip" {	604	test "big.rational set/to Float round-trip" {
		605	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		606
594	var a = try Rational.init(testing.allocator);	607	var a = try Rational.init(testing.allocator);
595	defer a.deinit();	608	defer a.deinit();
596	var prng = std.rand.DefaultPrng.init(0x5EED);	609	var prng = std.rand.DefaultPrng.init(0x5EED);
...	@@ -604,6 +617,8 @@ test "big.rational set/to Float round-trip" {	...	@@ -604,6 +617,8 @@ test "big.rational set/to Float round-trip" {
604	}	617	}
605		618
606	test "big.rational copy" {	619	test "big.rational copy" {
		620	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		621
607	var a = try Rational.init(testing.allocator);	622	var a = try Rational.init(testing.allocator);
608	defer a.deinit();	623	defer a.deinit();
609		624
...	@@ -634,6 +649,8 @@ test "big.rational copy" {	...	@@ -634,6 +649,8 @@ test "big.rational copy" {
634	}	649	}
635		650
636	test "big.rational negate" {	651	test "big.rational negate" {
		652	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		653
637	var a = try Rational.init(testing.allocator);	654	var a = try Rational.init(testing.allocator);
638	defer a.deinit();	655	defer a.deinit();
639		656
...	@@ -651,6 +668,8 @@ test "big.rational negate" {	...	@@ -651,6 +668,8 @@ test "big.rational negate" {
651	}	668	}
652		669
653	test "big.rational abs" {	670	test "big.rational abs" {
		671	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		672
654	var a = try Rational.init(testing.allocator);	673	var a = try Rational.init(testing.allocator);
655	defer a.deinit();	674	defer a.deinit();
656		675
...	@@ -668,6 +687,8 @@ test "big.rational abs" {	...	@@ -668,6 +687,8 @@ test "big.rational abs" {
668	}	687	}
669		688
670	test "big.rational swap" {	689	test "big.rational swap" {
		690	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		691
671	var a = try Rational.init(testing.allocator);	692	var a = try Rational.init(testing.allocator);
672	defer a.deinit();	693	defer a.deinit();
673	var b = try Rational.init(testing.allocator);	694	var b = try Rational.init(testing.allocator);
...	@@ -692,6 +713,8 @@ test "big.rational swap" {	...	@@ -692,6 +713,8 @@ test "big.rational swap" {
692	}	713	}
693		714
694	test "big.rational order" {	715	test "big.rational order" {
		716	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		717
695	var a = try Rational.init(testing.allocator);	718	var a = try Rational.init(testing.allocator);
696	defer a.deinit();	719	defer a.deinit();
697	var b = try Rational.init(testing.allocator);	720	var b = try Rational.init(testing.allocator);
...	@@ -707,6 +730,8 @@ test "big.rational order" {	...	@@ -707,6 +730,8 @@ test "big.rational order" {
707	}	730	}
708		731
709	test "big.rational order/orderAbs with negative" {	732	test "big.rational order/orderAbs with negative" {
		733	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		734
710	var a = try Rational.init(testing.allocator);	735	var a = try Rational.init(testing.allocator);
711	defer a.deinit();	736	defer a.deinit();
712	var b = try Rational.init(testing.allocator);	737	var b = try Rational.init(testing.allocator);
...	@@ -719,6 +744,8 @@ test "big.rational order/orderAbs with negative" {	...	@@ -719,6 +744,8 @@ test "big.rational order/orderAbs with negative" {
719	}	744	}
720		745
721	test "big.rational add single-limb" {	746	test "big.rational add single-limb" {
		747	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		748
722	var a = try Rational.init(testing.allocator);	749	var a = try Rational.init(testing.allocator);
723	defer a.deinit();	750	defer a.deinit();
724	var b = try Rational.init(testing.allocator);	751	var b = try Rational.init(testing.allocator);
...	@@ -734,6 +761,8 @@ test "big.rational add single-limb" {	...	@@ -734,6 +761,8 @@ test "big.rational add single-limb" {
734	}	761	}
735		762
736	test "big.rational add" {	763	test "big.rational add" {
		764	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		765
737	var a = try Rational.init(testing.allocator);	766	var a = try Rational.init(testing.allocator);
738	defer a.deinit();	767	defer a.deinit();
739	var b = try Rational.init(testing.allocator);	768	var b = try Rational.init(testing.allocator);
...	@@ -750,6 +779,8 @@ test "big.rational add" {	...	@@ -750,6 +779,8 @@ test "big.rational add" {
750	}	779	}
751		780
752	test "big.rational sub" {	781	test "big.rational sub" {
		782	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		783
753	var a = try Rational.init(testing.allocator);	784	var a = try Rational.init(testing.allocator);
754	defer a.deinit();	785	defer a.deinit();
755	var b = try Rational.init(testing.allocator);	786	var b = try Rational.init(testing.allocator);
...	@@ -766,6 +797,8 @@ test "big.rational sub" {	...	@@ -766,6 +797,8 @@ test "big.rational sub" {
766	}	797	}
767		798
768	test "big.rational mul" {	799	test "big.rational mul" {
		800	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		801
769	var a = try Rational.init(testing.allocator);	802	var a = try Rational.init(testing.allocator);
770	defer a.deinit();	803	defer a.deinit();
771	var b = try Rational.init(testing.allocator);	804	var b = try Rational.init(testing.allocator);
...	@@ -782,6 +815,8 @@ test "big.rational mul" {	...	@@ -782,6 +815,8 @@ test "big.rational mul" {
782	}	815	}
783		816
784	test "big.rational div" {	817	test "big.rational div" {
		818	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		819
785	{	820	{
786	var a = try Rational.init(testing.allocator);	821	var a = try Rational.init(testing.allocator);
787	defer a.deinit();	822	defer a.deinit();

lib/std/math/ilogb.zig+9

lib/std/math/ldexp.zig+1

...	@@ -67,6 +67,7 @@ pub fn ldexp(x: anytype, n: i32) @TypeOf(x) {	...	@@ -67,6 +67,7 @@ pub fn ldexp(x: anytype, n: i32) @TypeOf(x) {
67	}	67	}
68		68
69	test "math.ldexp" {	69	test "math.ldexp" {
		70	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
70		71
71	// subnormals	72	// subnormals
72	try expect(ldexp(@as(f16, 0x1.1FFp14), -14 - 9 - 15) == math.floatTrueMin(f16));	73	try expect(ldexp(@as(f16, 0x1.1FFp14), -14 - 9 - 15) == math.floatTrueMin(f16));

lib/std/math/log10.zig+1-1

 @@ -170,11 +170,11 @@ test "log10_int vs old implementation" {
 test "log10_int close to powers of 10" {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_llvm and comptime builtin.target.isWasm()) return error.SkipZigTest; // TODO
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     const int_types = .{ u8, u16, u32, u64, u128, u256, u512 };
     const max_log_values: [7]usize = .{ 2, 4, 9, 19, 38, 77, 154 };

lib/std/math/log_int.zig+2

...	@@ -56,6 +56,8 @@ pub fn log_int(comptime T: type, base: T, x: T) Log2Int(T) {	...	@@ -56,6 +56,8 @@ pub fn log_int(comptime T: type, base: T, x: T) Log2Int(T) {
56	}	56	}
57		57
58	test "math.log_int" {	58	test "math.log_int" {
		59	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		60
59	// Test all unsigned integers with 2, 3, ..., 64 bits.	61	// Test all unsigned integers with 2, 3, ..., 64 bits.
60	// We cannot test 0 or 1 bits since base must be > 1.	62	// We cannot test 0 or 1 bits since base must be > 1.
61	inline for (2..64 + 1) \|bits\| {	63	inline for (2..64 + 1) \|bits\| {

lib/std/math/nextafter.zig+2

...	@@ -103,6 +103,8 @@ fn nextAfterFloat(comptime T: type, x: T, y: T) T {	...	@@ -103,6 +103,8 @@ fn nextAfterFloat(comptime T: type, x: T, y: T) T {
103	}	103	}
104		104
105	test "math.nextAfter.int" {	105	test "math.nextAfter.int" {
		106	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		107
106	try expect(nextAfter(i0, 0, 0) == 0);	108	try expect(nextAfter(i0, 0, 0) == 0);
107	try expect(nextAfter(u0, 0, 0) == 0);	109	try expect(nextAfter(u0, 0, 0) == 0);
108	try expect(nextAfter(i1, 0, 0) == 0);	110	try expect(nextAfter(i1, 0, 0) == 0);

lib/std/math/scalbn.zig+2

...	@@ -7,6 +7,8 @@ const expect = std.testing.expect;	...	@@ -7,6 +7,8 @@ const expect = std.testing.expect;
7	pub const scalbn = @import("ldexp.zig").ldexp;	7	pub const scalbn = @import("ldexp.zig").ldexp;
8		8
9	test "math.scalbn" {	9	test "math.scalbn" {
		10	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		11
10	// Verify we are using base 2.	12	// Verify we are using base 2.
11	try expect(scalbn(@as(f16, 1.5), 4) == 24.0);	13	try expect(scalbn(@as(f16, 1.5), 4) == 24.0);
12	try expect(scalbn(@as(f32, 1.5), 4) == 24.0);	14	try expect(scalbn(@as(f32, 1.5), 4) == 24.0);

lib/std/mem.zig+20-4

...	@@ -315,6 +315,8 @@ pub fn zeroes(comptime T: type) T {	...	@@ -315,6 +315,8 @@ pub fn zeroes(comptime T: type) T {
315	}	315	}
316		316
317	test "zeroes" {	317	test "zeroes" {
		318	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		319
318	const C_struct = extern struct {	320	const C_struct = extern struct {
319	x: u32,	321	x: u32,
320	y: u32 align(128),	322	y: u32 align(128),
...	@@ -1023,6 +1025,8 @@ pub fn indexOfSentinel(comptime T: type, comptime sentinel: T, p: [*:sentinel]co	...	@@ -1023,6 +1025,8 @@ pub fn indexOfSentinel(comptime T: type, comptime sentinel: T, p: [*:sentinel]co
1023	}	1025	}
1024		1026
1025	test "indexOfSentinel vector paths" {	1027	test "indexOfSentinel vector paths" {
		1028	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1029
1026	const Types = [_]type{ u8, u16, u32, u64 };	1030	const Types = [_]type{ u8, u16, u32, u64 };
1027	const allocator = std.testing.allocator;	1031	const allocator = std.testing.allocator;
1028		1032
...	@@ -1737,6 +1741,8 @@ pub fn readIntSlice(comptime T: type, bytes: []const u8, endian: Endian) T {	...	@@ -1737,6 +1741,8 @@ pub fn readIntSlice(comptime T: type, bytes: []const u8, endian: Endian) T {
1737	}	1741	}
1738		1742
1739	test "comptime read/write int" {	1743	test "comptime read/write int" {
		1744	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1745
1740	comptime {	1746	comptime {
1741	var bytes: [2]u8 = undefined;	1747	var bytes: [2]u8 = undefined;
1742	writeIntLittle(u16, &bytes, 0x1234);	1748	writeIntLittle(u16, &bytes, 0x1234);
...	@@ -1752,7 +1758,10 @@ test "comptime read/write int" {	...	@@ -1752,7 +1758,10 @@ test "comptime read/write int" {
1752	}	1758	}
1753		1759
1754	test "readIntBig and readIntLittle" {	1760	test "readIntBig and readIntLittle" {
1755	if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;	1761	switch (builtin.zig_backend) {
		1762	.stage2_c, .stage2_x86_64 => return error.SkipZigTest,
		1763	else => {},
		1764	}
1756		1765
1757	try testing.expect(readIntSliceBig(u0, &[_]u8{}) == 0x0);	1766	try testing.expect(readIntSliceBig(u0, &[_]u8{}) == 0x0);
1758	try testing.expect(readIntSliceLittle(u0, &[_]u8{}) == 0x0);	1767	try testing.expect(readIntSliceLittle(u0, &[_]u8{}) == 0x0);
...	@@ -2053,7 +2062,10 @@ pub fn writeVarPackedInt(bytes: []u8, bit_offset: usize, bit_count: usize, value	...	@@ -2053,7 +2062,10 @@ pub fn writeVarPackedInt(bytes: []u8, bit_offset: usize, bit_count: usize, value
2053	}	2062	}
2054		2063
2055	test "writeIntBig and writeIntLittle" {	2064	test "writeIntBig and writeIntLittle" {
2056	if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;	2065	switch (builtin.zig_backend) {
		2066	.stage2_c, .stage2_x86_64 => return error.SkipZigTest,
		2067	else => {},
		2068	}
2057		2069
2058	var buf0: [0]u8 = undefined;	2070	var buf0: [0]u8 = undefined;
2059	var buf1: [1]u8 = undefined;	2071	var buf1: [1]u8 = undefined;
...	@@ -3297,6 +3309,8 @@ test "testStringEquality" {	...	@@ -3297,6 +3309,8 @@ test "testStringEquality" {
3297	}	3309	}
3298		3310
3299	test "testReadInt" {	3311	test "testReadInt" {
		3312	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		3313
3300	try testReadIntImpl();	3314	try testReadIntImpl();
3301	try comptime testReadIntImpl();	3315	try comptime testReadIntImpl();
3302	}	3316	}
...	@@ -4650,8 +4664,10 @@ pub fn alignInSlice(slice: anytype, comptime new_alignment: usize) ?AlignedSlice	...	@@ -4650,8 +4664,10 @@ pub fn alignInSlice(slice: anytype, comptime new_alignment: usize) ?AlignedSlice
4650	}	4664	}
4651		4665
4652	test "read/write(Var)PackedInt" {	4666	test "read/write(Var)PackedInt" {
4653	if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;	4667	switch (builtin.zig_backend) {
4654		4668	.stage2_c, .stage2_x86_64 => return error.SkipZigTest,
		4669	else => {},
		4670	}
4655	switch (builtin.cpu.arch) {	4671	switch (builtin.cpu.arch) {
4656	// This test generates too much code to execute on WASI.	4672	// This test generates too much code to execute on WASI.
4657	// LLVM backend fails with "too many locals: locals exceed maximum"	4673	// LLVM backend fails with "too many locals: locals exceed maximum"

lib/std/multi_array_list.zig+16

...	@@ -583,6 +583,8 @@ pub fn MultiArrayList(comptime T: type) type {	...	@@ -583,6 +583,8 @@ pub fn MultiArrayList(comptime T: type) type {
583	}	583	}
584		584
585	test "basic usage" {	585	test "basic usage" {
		586	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		587
586	const ally = testing.allocator;	588	const ally = testing.allocator;
587		589
588	const Foo = struct {	590	const Foo = struct {
...	@@ -677,6 +679,8 @@ test "basic usage" {	...	@@ -677,6 +679,8 @@ test "basic usage" {
677	// This was observed to fail on aarch64 with LLVM 11, when the capacityInBytes	679	// This was observed to fail on aarch64 with LLVM 11, when the capacityInBytes
678	// function used the @reduce code path.	680	// function used the @reduce code path.
679	test "regression test for @reduce bug" {	681	test "regression test for @reduce bug" {
		682	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		683
680	const ally = testing.allocator;	684	const ally = testing.allocator;
681	var list = MultiArrayList(struct {	685	var list = MultiArrayList(struct {
682	tag: std.zig.Token.Tag,	686	tag: std.zig.Token.Tag,
...	@@ -754,6 +758,8 @@ test "regression test for @reduce bug" {	...	@@ -754,6 +758,8 @@ test "regression test for @reduce bug" {
754	}	758	}
755		759
756	test "ensure capacity on empty list" {	760	test "ensure capacity on empty list" {
		761	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		762
757	const ally = testing.allocator;	763	const ally = testing.allocator;
758		764
759	const Foo = struct {	765	const Foo = struct {
...	@@ -789,6 +795,8 @@ test "ensure capacity on empty list" {	...	@@ -789,6 +795,8 @@ test "ensure capacity on empty list" {
789	}	795	}
790		796
791	test "insert elements" {	797	test "insert elements" {
		798	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		799
792	const ally = testing.allocator;	800	const ally = testing.allocator;
793		801
794	const Foo = struct {	802	const Foo = struct {
...	@@ -808,6 +816,8 @@ test "insert elements" {	...	@@ -808,6 +816,8 @@ test "insert elements" {
808	}	816	}
809		817
810	test "union" {	818	test "union" {
		819	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		820
811	const ally = testing.allocator;	821	const ally = testing.allocator;
812		822
813	const Foo = union(enum) {	823	const Foo = union(enum) {
...	@@ -863,6 +873,8 @@ test "union" {	...	@@ -863,6 +873,8 @@ test "union" {
863	}	873	}
864		874
865	test "sorting a span" {	875	test "sorting a span" {
		876	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		877
866	var list: MultiArrayList(struct { score: u32, chr: u8 }) = .{};	878	var list: MultiArrayList(struct { score: u32, chr: u8 }) = .{};
867	defer list.deinit(testing.allocator);	879	defer list.deinit(testing.allocator);
868		880
...	@@ -903,6 +915,8 @@ test "sorting a span" {	...	@@ -903,6 +915,8 @@ test "sorting a span" {
903	}	915	}
904		916
905	test "0 sized struct field" {	917	test "0 sized struct field" {
		918	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		919
906	const ally = testing.allocator;	920	const ally = testing.allocator;
907		921
908	const Foo = struct {	922	const Foo = struct {
...	@@ -930,6 +944,8 @@ test "0 sized struct field" {	...	@@ -930,6 +944,8 @@ test "0 sized struct field" {
930	}	944	}
931		945
932	test "0 sized struct" {	946	test "0 sized struct" {
		947	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		948
933	const ally = testing.allocator;	949	const ally = testing.allocator;
934		950
935	const Foo = struct {	951	const Foo = struct {

lib/std/net/test.zig+6

lib/std/once.zig+2

...	@@ -46,6 +46,8 @@ fn incr() void {	...	@@ -46,6 +46,8 @@ fn incr() void {
46	}	46	}
47		47
48	test "Once executes its function just once" {	48	test "Once executes its function just once" {
		49	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		50
49	if (builtin.single_threaded) {	51	if (builtin.single_threaded) {
50	global_once.call();	52	global_once.call();
51	global_once.call();	53	global_once.call();

lib/std/os/linux/io_uring.zig+30

lib/std/os/linux/test.zig+6

...	@@ -8,6 +8,8 @@ const expectEqual = std.testing.expectEqual;	...	@@ -8,6 +8,8 @@ const expectEqual = std.testing.expectEqual;
8	const fs = std.fs;	8	const fs = std.fs;
9		9
10	test "fallocate" {	10	test "fallocate" {
		11	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		12
11	var tmp = std.testing.tmpDir(.{});	13	var tmp = std.testing.tmpDir(.{});
12	defer tmp.cleanup();	14	defer tmp.cleanup();
13		15
...	@@ -69,6 +71,8 @@ test "timer" {	...	@@ -69,6 +71,8 @@ test "timer" {
69	}	71	}
70		72
71	test "statx" {	73	test "statx" {
		74	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		75
72	var tmp = std.testing.tmpDir(.{});	76	var tmp = std.testing.tmpDir(.{});
73	defer tmp.cleanup();	77	defer tmp.cleanup();
74		78
...	@@ -107,6 +111,8 @@ test "user and group ids" {	...	@@ -107,6 +111,8 @@ test "user and group ids" {
107	}	111	}
108		112
109	test "fadvise" {	113	test "fadvise" {
		114	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		115
110	var tmp = std.testing.tmpDir(.{});	116	var tmp = std.testing.tmpDir(.{});
111	defer tmp.cleanup();	117	defer tmp.cleanup();
112		118

lib/std/os/test.zig+51

...	@@ -88,6 +88,8 @@ test "chdir smoke test" {	...	@@ -88,6 +88,8 @@ test "chdir smoke test" {
88	test "open smoke test" {	88	test "open smoke test" {
89	if (native_os == .wasi) return error.SkipZigTest;	89	if (native_os == .wasi) return error.SkipZigTest;
90		90
		91	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		92
91	// TODO verify file attributes using `fstat`	93	// TODO verify file attributes using `fstat`
92		94
93	var tmp = tmpDir(.{});	95	var tmp = tmpDir(.{});
...	@@ -142,6 +144,8 @@ test "open smoke test" {	...	@@ -142,6 +144,8 @@ test "open smoke test" {
142	test "openat smoke test" {	144	test "openat smoke test" {
143	if (native_os == .wasi and builtin.link_libc) return error.SkipZigTest;	145	if (native_os == .wasi and builtin.link_libc) return error.SkipZigTest;
144		146
		147	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		148
145	// TODO verify file attributes using `fstatat`	149	// TODO verify file attributes using `fstatat`
146		150
147	var tmp = tmpDir(.{});	151	var tmp = tmpDir(.{});
...	@@ -276,6 +280,8 @@ test "link with relative paths" {	...	@@ -276,6 +280,8 @@ test "link with relative paths" {
276	test "linkat with different directories" {	280	test "linkat with different directories" {
277	if (native_os == .wasi and builtin.link_libc) return error.SkipZigTest;	281	if (native_os == .wasi and builtin.link_libc) return error.SkipZigTest;
278		282
		283	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		284
279	switch (native_os) {	285	switch (native_os) {
280	.wasi, .linux, .solaris, .illumos => {},	286	.wasi, .linux, .solaris, .illumos => {},
281	else => return error.SkipZigTest,	287	else => return error.SkipZigTest,
...	@@ -321,6 +327,8 @@ test "fstatat" {	...	@@ -321,6 +327,8 @@ test "fstatat" {
321	// enable when `fstat` and `fstatat` are implemented on Windows	327	// enable when `fstat` and `fstatat` are implemented on Windows
322	if (native_os == .windows) return error.SkipZigTest;	328	if (native_os == .windows) return error.SkipZigTest;
323		329
		330	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		331
324	var tmp = tmpDir(.{});	332	var tmp = tmpDir(.{});
325	defer tmp.cleanup();	333	defer tmp.cleanup();
326		334
...	@@ -340,6 +348,8 @@ test "fstatat" {	...	@@ -340,6 +348,8 @@ test "fstatat" {
340	}	348	}
341		349
342	test "readlinkat" {	350	test "readlinkat" {
		351	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		352
343	var tmp = tmpDir(.{});	353	var tmp = tmpDir(.{});
344	defer tmp.cleanup();	354	defer tmp.cleanup();
345		355
...	@@ -375,6 +385,8 @@ fn testThreadIdFn(thread_id: *Thread.Id) void {	...	@@ -375,6 +385,8 @@ fn testThreadIdFn(thread_id: *Thread.Id) void {
375	test "std.Thread.getCurrentId" {	385	test "std.Thread.getCurrentId" {
376	if (builtin.single_threaded) return error.SkipZigTest;	386	if (builtin.single_threaded) return error.SkipZigTest;
377		387
		388	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		389
378	var thread_current_id: Thread.Id = undefined;	390	var thread_current_id: Thread.Id = undefined;
379	const thread = try Thread.spawn(.{}, testThreadIdFn, .{&thread_current_id});	391	const thread = try Thread.spawn(.{}, testThreadIdFn, .{&thread_current_id});
380	thread.join();	392	thread.join();
...	@@ -417,6 +429,9 @@ test "cpu count" {	...	@@ -417,6 +429,9 @@ test "cpu count" {
417		429
418	test "thread local storage" {	430	test "thread local storage" {
419	if (builtin.single_threaded) return error.SkipZigTest;	431	if (builtin.single_threaded) return error.SkipZigTest;
		432
		433	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		434
420	const thread1 = try Thread.spawn(.{}, testTls, .{});	435	const thread1 = try Thread.spawn(.{}, testTls, .{});
421	const thread2 = try Thread.spawn(.{}, testTls, .{});	436	const thread2 = try Thread.spawn(.{}, testTls, .{});
422	try testTls();	437	try testTls();
...	@@ -504,6 +519,8 @@ fn iter_fn(info: dl_phdr_info, size: usize, counter: usize) IterFnError!void {	...	@@ -504,6 +519,8 @@ fn iter_fn(info: dl_phdr_info, size: usize, counter: usize) IterFnError!void {
504	test "dl_iterate_phdr" {	519	test "dl_iterate_phdr" {
505	if (builtin.object_format != .elf) return error.SkipZigTest;	520	if (builtin.object_format != .elf) return error.SkipZigTest;
506		521
		522	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		523
507	var counter: usize = 0;	524	var counter: usize = 0;
508	try os.dl_iterate_phdr(&counter, IterFnError, iter_fn);	525	try os.dl_iterate_phdr(&counter, IterFnError, iter_fn);
509	try expect(counter != 0);	526	try expect(counter != 0);
...	@@ -566,6 +583,8 @@ test "mmap" {	...	@@ -566,6 +583,8 @@ test "mmap" {
566	if (native_os == .windows or native_os == .wasi)	583	if (native_os == .windows or native_os == .wasi)
567	return error.SkipZigTest;	584	return error.SkipZigTest;
568		585
		586	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		587
569	var tmp = tmpDir(.{});	588	var tmp = tmpDir(.{});
570	defer tmp.cleanup();	589	defer tmp.cleanup();
571		590
...	@@ -676,6 +695,8 @@ test "fcntl" {	...	@@ -676,6 +695,8 @@ test "fcntl" {
676	if (native_os == .windows or native_os == .wasi)	695	if (native_os == .windows or native_os == .wasi)
677	return error.SkipZigTest;	696	return error.SkipZigTest;
678		697
		698	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		699
679	var tmp = tmpDir(.{});	700	var tmp = tmpDir(.{});
680	defer tmp.cleanup();	701	defer tmp.cleanup();
681		702
...	@@ -716,6 +737,8 @@ test "sync" {	...	@@ -716,6 +737,8 @@ test "sync" {
716	if (native_os != .linux)	737	if (native_os != .linux)
717	return error.SkipZigTest;	738	return error.SkipZigTest;
718		739
		740	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		741
719	var tmp = tmpDir(.{});	742	var tmp = tmpDir(.{});
720	defer tmp.cleanup();	743	defer tmp.cleanup();
721		744
...	@@ -736,6 +759,8 @@ test "fsync" {	...	@@ -736,6 +759,8 @@ test "fsync" {
736	else => return error.SkipZigTest,	759	else => return error.SkipZigTest,
737	}	760	}
738		761
		762	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		763
739	var tmp = tmpDir(.{});	764	var tmp = tmpDir(.{});
740	defer tmp.cleanup();	765	defer tmp.cleanup();
741		766
...	@@ -755,6 +780,8 @@ test "getrlimit and setrlimit" {	...	@@ -755,6 +780,8 @@ test "getrlimit and setrlimit" {
755	return error.SkipZigTest;	780	return error.SkipZigTest;
756	}	781	}
757		782
		783	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		784
758	inline for (std.meta.fields(os.rlimit_resource)) \|field\| {	785	inline for (std.meta.fields(os.rlimit_resource)) \|field\| {
759	const resource = @as(os.rlimit_resource, @enumFromInt(field.value));	786	const resource = @as(os.rlimit_resource, @enumFromInt(field.value));
760	const limit = try os.getrlimit(resource);	787	const limit = try os.getrlimit(resource);
...	@@ -797,6 +824,8 @@ test "sigaction" {	...	@@ -797,6 +824,8 @@ test "sigaction" {
797	if (native_os == .wasi or native_os == .windows)	824	if (native_os == .wasi or native_os == .windows)
798	return error.SkipZigTest;	825	return error.SkipZigTest;
799		826
		827	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		828
800	// https://github.com/ziglang/zig/issues/7427	829	// https://github.com/ziglang/zig/issues/7427
801	if (native_os == .linux and builtin.target.cpu.arch == .x86)	830	if (native_os == .linux and builtin.target.cpu.arch == .x86)
802	return error.SkipZigTest;	831	return error.SkipZigTest;
...	@@ -874,6 +903,8 @@ test "dup & dup2" {	...	@@ -874,6 +903,8 @@ test "dup & dup2" {
874	else => return error.SkipZigTest,	903	else => return error.SkipZigTest,
875	}	904	}
876		905
		906	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		907
877	var tmp = tmpDir(.{});	908	var tmp = tmpDir(.{});
878	defer tmp.cleanup();	909	defer tmp.cleanup();
879		910
...	@@ -903,6 +934,8 @@ test "dup & dup2" {	...	@@ -903,6 +934,8 @@ test "dup & dup2" {
903	test "writev longer than IOV_MAX" {	934	test "writev longer than IOV_MAX" {
904	if (native_os == .windows or native_os == .wasi) return error.SkipZigTest;	935	if (native_os == .windows or native_os == .wasi) return error.SkipZigTest;
905		936
		937	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		938
906	var tmp = tmpDir(.{});	939	var tmp = tmpDir(.{});
907	defer tmp.cleanup();	940	defer tmp.cleanup();
908		941
...	@@ -920,6 +953,8 @@ test "POSIX file locking with fcntl" {	...	@@ -920,6 +953,8 @@ test "POSIX file locking with fcntl" {
920	return error.SkipZigTest;	953	return error.SkipZigTest;
921	}	954	}
922		955
		956	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		957
923	if (true) {	958	if (true) {
924	// https://github.com/ziglang/zig/issues/11074	959	// https://github.com/ziglang/zig/issues/11074
925	return error.SkipZigTest;	960	return error.SkipZigTest;
...	@@ -982,6 +1017,8 @@ test "POSIX file locking with fcntl" {	...	@@ -982,6 +1017,8 @@ test "POSIX file locking with fcntl" {
982	test "rename smoke test" {	1017	test "rename smoke test" {
983	if (native_os == .wasi) return error.SkipZigTest;	1018	if (native_os == .wasi) return error.SkipZigTest;
984		1019
		1020	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1021
985	var tmp = tmpDir(.{});	1022	var tmp = tmpDir(.{});
986	defer tmp.cleanup();	1023	defer tmp.cleanup();
987		1024
...	@@ -1038,6 +1075,8 @@ test "rename smoke test" {	...	@@ -1038,6 +1075,8 @@ test "rename smoke test" {
1038	test "access smoke test" {	1075	test "access smoke test" {
1039	if (native_os == .wasi) return error.SkipZigTest;	1076	if (native_os == .wasi) return error.SkipZigTest;
1040		1077
		1078	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1079
1041	var tmp = tmpDir(.{});	1080	var tmp = tmpDir(.{});
1042	defer tmp.cleanup();	1081	defer tmp.cleanup();
1043		1082
...	@@ -1102,6 +1141,8 @@ test "timerfd" {	...	@@ -1102,6 +1141,8 @@ test "timerfd" {
1102	}	1141	}
1103		1142
1104	test "isatty" {	1143	test "isatty" {
		1144	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1145
1105	var tmp = tmpDir(.{});	1146	var tmp = tmpDir(.{});
1106	defer tmp.cleanup();	1147	defer tmp.cleanup();
1107		1148
...	@@ -1114,6 +1155,8 @@ test "isatty" {	...	@@ -1114,6 +1155,8 @@ test "isatty" {
1114	test "read with empty buffer" {	1155	test "read with empty buffer" {
1115	if (native_os == .wasi) return error.SkipZigTest;	1156	if (native_os == .wasi) return error.SkipZigTest;
1116		1157
		1158	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1159
1117	var tmp = tmpDir(.{});	1160	var tmp = tmpDir(.{});
1118	defer tmp.cleanup();	1161	defer tmp.cleanup();
1119		1162
...	@@ -1139,6 +1182,8 @@ test "read with empty buffer" {	...	@@ -1139,6 +1182,8 @@ test "read with empty buffer" {
1139	test "pread with empty buffer" {	1182	test "pread with empty buffer" {
1140	if (native_os == .wasi) return error.SkipZigTest;	1183	if (native_os == .wasi) return error.SkipZigTest;
1141		1184
		1185	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1186
1142	var tmp = tmpDir(.{});	1187	var tmp = tmpDir(.{});
1143	defer tmp.cleanup();	1188	defer tmp.cleanup();
1144		1189
...	@@ -1164,6 +1209,8 @@ test "pread with empty buffer" {	...	@@ -1164,6 +1209,8 @@ test "pread with empty buffer" {
1164	test "write with empty buffer" {	1209	test "write with empty buffer" {
1165	if (native_os == .wasi) return error.SkipZigTest;	1210	if (native_os == .wasi) return error.SkipZigTest;
1166		1211
		1212	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1213
1167	var tmp = tmpDir(.{});	1214	var tmp = tmpDir(.{});
1168	defer tmp.cleanup();	1215	defer tmp.cleanup();
1169		1216
...	@@ -1189,6 +1236,8 @@ test "write with empty buffer" {	...	@@ -1189,6 +1236,8 @@ test "write with empty buffer" {
1189	test "pwrite with empty buffer" {	1236	test "pwrite with empty buffer" {
1190	if (native_os == .wasi) return error.SkipZigTest;	1237	if (native_os == .wasi) return error.SkipZigTest;
1191		1238
		1239	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1240
1192	var tmp = tmpDir(.{});	1241	var tmp = tmpDir(.{});
1193	defer tmp.cleanup();	1242	defer tmp.cleanup();
1194		1243
...	@@ -1214,6 +1263,8 @@ test "pwrite with empty buffer" {	...	@@ -1214,6 +1263,8 @@ test "pwrite with empty buffer" {
1214	test "fchmodat smoke test" {	1263	test "fchmodat smoke test" {
1215	if (!std.fs.has_executable_bit) return error.SkipZigTest;	1264	if (!std.fs.has_executable_bit) return error.SkipZigTest;
1216		1265
		1266	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1267
1217	var tmp = tmpDir(.{});	1268	var tmp = tmpDir(.{});
1218	defer tmp.cleanup();	1269	defer tmp.cleanup();
1219		1270

lib/std/os/windows.zig+2

...	@@ -2491,6 +2491,8 @@ pub fn ntToWin32Namespace(path: []const u16) !PathSpace {	...	@@ -2491,6 +2491,8 @@ pub fn ntToWin32Namespace(path: []const u16) !PathSpace {
2491	}	2491	}
2492		2492
2493	test "ntToWin32Namespace" {	2493	test "ntToWin32Namespace" {
		2494	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2495
2494	const L = std.unicode.utf8ToUtf16LeStringLiteral;	2496	const L = std.unicode.utf8ToUtf16LeStringLiteral;
2495		2497
2496	try testNtToWin32Namespace(L("UNC"), L("\\??\\UNC"));	2498	try testNtToWin32Namespace(L("UNC"), L("\\??\\UNC"));

lib/std/priority_dequeue.zig+2

...	@@ -705,6 +705,8 @@ test "std.PriorityDequeue: fromOwnedSlice trivial case 1" {	...	@@ -705,6 +705,8 @@ test "std.PriorityDequeue: fromOwnedSlice trivial case 1" {
705	}	705	}
706		706
707	test "std.PriorityDequeue: fromOwnedSlice" {	707	test "std.PriorityDequeue: fromOwnedSlice" {
		708	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		709
708	const items = [_]u32{ 15, 7, 21, 14, 13, 22, 12, 6, 7, 25, 5, 24, 11, 16, 15, 24, 2, 1 };	710	const items = [_]u32{ 15, 7, 21, 14, 13, 22, 12, 6, 7, 25, 5, 24, 11, 16, 15, 24, 2, 1 };
709	const queue_items = try testing.allocator.dupe(u32, items[0..]);	711	const queue_items = try testing.allocator.dupe(u32, items[0..]);
710	var queue = PDQ.fromOwnedSlice(testing.allocator, queue_items[0..], {});	712	var queue = PDQ.fromOwnedSlice(testing.allocator, queue_items[0..], {});

lib/std/priority_queue.zig+2

...	@@ -385,6 +385,8 @@ test "std.PriorityQueue: fromOwnedSlice trivial case 1" {	...	@@ -385,6 +385,8 @@ test "std.PriorityQueue: fromOwnedSlice trivial case 1" {
385	}	385	}
386		386
387	test "std.PriorityQueue: fromOwnedSlice" {	387	test "std.PriorityQueue: fromOwnedSlice" {
		388	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		389
388	const items = [_]u32{ 15, 7, 21, 14, 13, 22, 12, 6, 7, 25, 5, 24, 11, 16, 15, 24, 2, 1 };	390	const items = [_]u32{ 15, 7, 21, 14, 13, 22, 12, 6, 7, 25, 5, 24, 11, 16, 15, 24, 2, 1 };
389	const heap_items = try testing.allocator.dupe(u32, items[0..]);	391	const heap_items = try testing.allocator.dupe(u32, items[0..]);
390	var queue = PQlt.fromOwnedSlice(testing.allocator, heap_items[0..], {});	392	var queue = PQlt.fromOwnedSlice(testing.allocator, heap_items[0..], {});

lib/std/rand/Xoshiro256.zig+4-1

 @@ -90,7 +90,10 @@ pub fn fill(self: *Xoshiro256, buf: []u8) void {
 }
 test "xoroshiro sequence" {
-    if (@import("builtin").zig_backend == .stage2_c) return error.SkipZigTest;
+    switch (@import("builtin").zig_backend) {
+        .stage2_c, .stage2_x86_64 => return error.SkipZigTest,
+        else => {},
+    }
     var r = Xoshiro256.init(0);

lib/std/rand/test.zig+11

...	@@ -1,4 +1,5 @@	...	@@ -1,4 +1,5 @@
1	const std = @import("../std.zig");	1	const std = @import("../std.zig");
		2	const builtin = @import("builtin");
2	const math = std.math;	3	const math = std.math;
3	const DefaultPrng = std.rand.DefaultPrng;	4	const DefaultPrng = std.rand.DefaultPrng;
4	const Random = std.rand.Random;	5	const Random = std.rand.Random;
...	@@ -157,6 +158,8 @@ fn testRandomEnumValue() !void {	...	@@ -157,6 +158,8 @@ fn testRandomEnumValue() !void {
157	}	158	}
158		159
159	test "Random intLessThan" {	160	test "Random intLessThan" {
		161	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		162
160	@setEvalBranchQuota(10000);	163	@setEvalBranchQuota(10000);
161	try testRandomIntLessThan();	164	try testRandomIntLessThan();
162	try comptime testRandomIntLessThan();	165	try comptime testRandomIntLessThan();
...	@@ -199,6 +202,8 @@ fn testRandomIntLessThan() !void {	...	@@ -199,6 +202,8 @@ fn testRandomIntLessThan() !void {
199	}	202	}
200		203
201	test "Random intAtMost" {	204	test "Random intAtMost" {
		205	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		206
202	@setEvalBranchQuota(10000);	207	@setEvalBranchQuota(10000);
203	try testRandomIntAtMost();	208	try testRandomIntAtMost();
204	try comptime testRandomIntAtMost();	209	try comptime testRandomIntAtMost();
...	@@ -239,6 +244,8 @@ fn testRandomIntAtMost() !void {	...	@@ -239,6 +244,8 @@ fn testRandomIntAtMost() !void {
239	}	244	}
240		245
241	test "Random Biased" {	246	test "Random Biased" {
		247	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		248
242	var prng = DefaultPrng.init(0);	249	var prng = DefaultPrng.init(0);
243	const random = prng.random();	250	const random = prng.random();
244	// Not thoroughly checking the logic here.	251	// Not thoroughly checking the logic here.
...	@@ -436,6 +443,8 @@ fn testRangeBias(r: Random, start: i8, end: i8, biased: bool) !void {	...	@@ -436,6 +443,8 @@ fn testRangeBias(r: Random, start: i8, end: i8, biased: bool) !void {
436	}	443	}
437		444
438	test "CSPRNG" {	445	test "CSPRNG" {
		446	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		447
439	var secret_seed: [DefaultCsprng.secret_seed_length]u8 = undefined;	448	var secret_seed: [DefaultCsprng.secret_seed_length]u8 = undefined;
440	std.crypto.random.bytes(&secret_seed);	449	std.crypto.random.bytes(&secret_seed);
441	var csprng = DefaultCsprng.init(secret_seed);	450	var csprng = DefaultCsprng.init(secret_seed);
...	@@ -447,6 +456,8 @@ test "CSPRNG" {	...	@@ -447,6 +456,8 @@ test "CSPRNG" {
447	}	456	}
448		457
449	test "Random weightedIndex" {	458	test "Random weightedIndex" {
		459	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		460
450	// Make sure weightedIndex works for various integers and floats	461	// Make sure weightedIndex works for various integers and floats
451	inline for (.{ u64, i4, f32, f64 }) \|T\| {	462	inline for (.{ u64, i4, f32, f64 }) \|T\| {
452	var prng = DefaultPrng.init(0);	463	var prng = DefaultPrng.init(0);

lib/std/segmented_list.zig+2

...	@@ -409,6 +409,8 @@ pub fn SegmentedList(comptime T: type, comptime prealloc_item_count: usize) type	...	@@ -409,6 +409,8 @@ pub fn SegmentedList(comptime T: type, comptime prealloc_item_count: usize) type
409	}	409	}
410		410
411	test "SegmentedList basic usage" {	411	test "SegmentedList basic usage" {
		412	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		413
412	try testSegmentedList(0);	414	try testSegmentedList(0);
413	try testSegmentedList(1);	415	try testSegmentedList(1);
414	try testSegmentedList(2);	416	try testSegmentedList(2);

lib/std/simd.zig+9

 @@ -196,10 +196,13 @@ pub fn extract(
 }
 test "vector patterns" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch == .aarch64) {
         // https://github.com/ziglang/zig/issues/12012
         return error.SkipZigTest;
     }
     const base = @Vector(4, u32){ 10, 20, 30, 40 };
     const other_base = @Vector(4, u32){ 55, 66, 77, 88 };
 @@ -269,6 +272,8 @@ pub fn reverseOrder(vec: anytype) @TypeOf(vec) {
 }
 test "vector shifting" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     const base = @Vector(4, u32){ 10, 20, 30, 40 };
     try std.testing.expectEqual([4]u32{ 30, 40, 999, 999 }, shiftElementsLeft(base, 2, 999));
 @@ -333,6 +338,8 @@ pub fn countElementsWithValue(vec: anytype, value: std.meta.Child(@TypeOf(vec)))
 }
 test "vector searching" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     const base = @Vector(8, u32){ 6, 4, 7, 4, 4, 2, 3, 7 };
     try std.testing.expectEqual(@as(?u3, 1), firstIndexOfValue(base, 4));
 @@ -424,6 +431,8 @@ pub fn prefixScan(comptime op: std.builtin.ReduceOp, comptime hop: isize, vec: a
 }
 test "vector prefix scan" {
+    if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (comptime builtin.cpu.arch.isMIPS()) {
         return error.SkipZigTest;
     }

lib/std/sort.zig+11

...	@@ -1,5 +1,6 @@	...	@@ -1,5 +1,6 @@
1	const std = @import("std.zig");	1	const std = @import("std.zig");
2	const assert = std.debug.assert;	2	const assert = std.debug.assert;
		3	const builtin = @import("builtin");
3	const testing = std.testing;	4	const testing = std.testing;
4	const mem = std.mem;	5	const mem = std.mem;
5	const math = std.math;	6	const math = std.math;
...	@@ -176,6 +177,8 @@ const IdAndValue = struct {	...	@@ -176,6 +177,8 @@ const IdAndValue = struct {
176	};	177	};
177		178
178	test "stable sort" {	179	test "stable sort" {
		180	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		181
179	const expected = [_]IdAndValue{	182	const expected = [_]IdAndValue{
180	IdAndValue{ .id = 0, .value = 0 },	183	IdAndValue{ .id = 0, .value = 0 },
181	IdAndValue{ .id = 1, .value = 0 },	184	IdAndValue{ .id = 1, .value = 0 },
...	@@ -223,6 +226,8 @@ test "stable sort" {	...	@@ -223,6 +226,8 @@ test "stable sort" {
223	}	226	}
224		227
225	test "sort" {	228	test "sort" {
		229	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		230
226	const u8cases = [_][]const []const u8{	231	const u8cases = [_][]const []const u8{
227	&[_][]const u8{	232	&[_][]const u8{
228	"",	233	"",
...	@@ -301,6 +306,8 @@ test "sort" {	...	@@ -301,6 +306,8 @@ test "sort" {
301	}	306	}
302		307
303	test "sort descending" {	308	test "sort descending" {
		309	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		310
304	const rev_cases = [_][]const []const i32{	311	const rev_cases = [_][]const []const i32{
305	&[_][]const i32{	312	&[_][]const i32{
306	&[_]i32{},	313	&[_]i32{},
...	@@ -340,6 +347,8 @@ test "sort descending" {	...	@@ -340,6 +347,8 @@ test "sort descending" {
340	}	347	}
341		348
342	test "sort with context in the middle of a slice" {	349	test "sort with context in the middle of a slice" {
		350	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		351
343	const Context = struct {	352	const Context = struct {
344	items: []i32,	353	items: []i32,
345		354
...	@@ -379,6 +388,8 @@ test "sort with context in the middle of a slice" {	...	@@ -379,6 +388,8 @@ test "sort with context in the middle of a slice" {
379	}	388	}
380		389
381	test "sort fuzz testing" {	390	test "sort fuzz testing" {
		391	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		392
382	var prng = std.rand.DefaultPrng.init(0x12345678);	393	var prng = std.rand.DefaultPrng.init(0x12345678);
383	const random = prng.random();	394	const random = prng.random();
384	const test_case_count = 10;	395	const test_case_count = 10;

lib/std/time.zig+4

...	@@ -122,6 +122,8 @@ pub fn nanoTimestamp() i128 {	...	@@ -122,6 +122,8 @@ pub fn nanoTimestamp() i128 {
122	}	122	}
123		123
124	test "timestamp" {	124	test "timestamp" {
		125	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		126
125	const margin = ns_per_ms * 50;	127	const margin = ns_per_ms * 50;
126		128
127	const time_0 = milliTimestamp();	129	const time_0 = milliTimestamp();
...	@@ -319,6 +321,8 @@ pub const Timer = struct {	...	@@ -319,6 +321,8 @@ pub const Timer = struct {
319	};	321	};
320		322
321	test "Timer + Instant" {	323	test "Timer + Instant" {
		324	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		325
322	const margin = ns_per_ms * 150;	326	const margin = ns_per_ms * 150;
323		327
324	var timer = try Timer.start();	328	var timer = try Timer.start();

lib/std/treap.zig+2

...	@@ -350,6 +350,8 @@ const TestTreap = Treap(u64, std.math.order);	...	@@ -350,6 +350,8 @@ const TestTreap = Treap(u64, std.math.order);
350	const TestNode = TestTreap.Node;	350	const TestNode = TestTreap.Node;
351		351
352	test "std.Treap: insert, find, replace, remove" {	352	test "std.Treap: insert, find, replace, remove" {
		353	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		354
353	var treap = TestTreap{};	355	var treap = TestTreap{};
354	var nodes: [10]TestNode = undefined;	356	var nodes: [10]TestNode = undefined;
355		357

lib/std/unicode.zig+41

...	@@ -1,5 +1,6 @@	...	@@ -1,5 +1,6 @@
1	const std = @import("./std.zig");	1	const std = @import("./std.zig");
2	const assert = std.debug.assert;	2	const assert = std.debug.assert;
		3	const builtin = @import("builtin");
3	const testing = std.testing;	4	const testing = std.testing;
4	const mem = std.mem;	5	const mem = std.mem;
5		6
...	@@ -496,11 +497,15 @@ fn testUtf16CountCodepoints() !void {	...	@@ -496,11 +497,15 @@ fn testUtf16CountCodepoints() !void {
496	}	497	}
497		498
498	test "utf16 count codepoints" {	499	test "utf16 count codepoints" {
		500	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		501
499	try testUtf16CountCodepoints();	502	try testUtf16CountCodepoints();
500	try comptime testUtf16CountCodepoints();	503	try comptime testUtf16CountCodepoints();
501	}	504	}
502		505
503	test "utf8 encode" {	506	test "utf8 encode" {
		507	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		508
504	try comptime testUtf8Encode();	509	try comptime testUtf8Encode();
505	try testUtf8Encode();	510	try testUtf8Encode();
506	}	511	}
...	@@ -527,6 +532,8 @@ fn testUtf8Encode() !void {	...	@@ -527,6 +532,8 @@ fn testUtf8Encode() !void {
527	}	532	}
528		533
529	test "utf8 encode error" {	534	test "utf8 encode error" {
		535	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		536
530	try comptime testUtf8EncodeError();	537	try comptime testUtf8EncodeError();
531	try testUtf8EncodeError();	538	try testUtf8EncodeError();
532	}	539	}
...	@@ -543,6 +550,8 @@ fn testErrorEncode(codePoint: u21, array: []u8, expectedErr: anyerror) !void {	...	@@ -543,6 +550,8 @@ fn testErrorEncode(codePoint: u21, array: []u8, expectedErr: anyerror) !void {
543	}	550	}
544		551
545	test "utf8 iterator on ascii" {	552	test "utf8 iterator on ascii" {
		553	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		554
546	try comptime testUtf8IteratorOnAscii();	555	try comptime testUtf8IteratorOnAscii();
547	try testUtf8IteratorOnAscii();	556	try testUtf8IteratorOnAscii();
548	}	557	}
...	@@ -563,6 +572,8 @@ fn testUtf8IteratorOnAscii() !void {	...	@@ -563,6 +572,8 @@ fn testUtf8IteratorOnAscii() !void {
563	}	572	}
564		573
565	test "utf8 view bad" {	574	test "utf8 view bad" {
		575	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		576
566	try comptime testUtf8ViewBad();	577	try comptime testUtf8ViewBad();
567	try testUtf8ViewBad();	578	try testUtf8ViewBad();
568	}	579	}
...	@@ -573,6 +584,8 @@ fn testUtf8ViewBad() !void {	...	@@ -573,6 +584,8 @@ fn testUtf8ViewBad() !void {
573	}	584	}
574		585
575	test "utf8 view ok" {	586	test "utf8 view ok" {
		587	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		588
576	try comptime testUtf8ViewOk();	589	try comptime testUtf8ViewOk();
577	try testUtf8ViewOk();	590	try testUtf8ViewOk();
578	}	591	}
...	@@ -593,6 +606,8 @@ fn testUtf8ViewOk() !void {	...	@@ -593,6 +606,8 @@ fn testUtf8ViewOk() !void {
593	}	606	}
594		607
595	test "validate slice" {	608	test "validate slice" {
		609	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		610
596	try comptime testValidateSlice();	611	try comptime testValidateSlice();
597	try testValidateSlice();	612	try testValidateSlice();
598		613
...	@@ -633,6 +648,8 @@ fn testValidateSlice() !void {	...	@@ -633,6 +648,8 @@ fn testValidateSlice() !void {
633	}	648	}
634		649
635	test "valid utf8" {	650	test "valid utf8" {
		651	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		652
636	try comptime testValidUtf8();	653	try comptime testValidUtf8();
637	try testValidUtf8();	654	try testValidUtf8();
638	}	655	}
...	@@ -652,6 +669,8 @@ fn testValidUtf8() !void {	...	@@ -652,6 +669,8 @@ fn testValidUtf8() !void {
652	}	669	}
653		670
654	test "invalid utf8 continuation bytes" {	671	test "invalid utf8 continuation bytes" {
		672	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		673
655	try comptime testInvalidUtf8ContinuationBytes();	674	try comptime testInvalidUtf8ContinuationBytes();
656	try testInvalidUtf8ContinuationBytes();	675	try testInvalidUtf8ContinuationBytes();
657	}	676	}
...	@@ -684,6 +703,8 @@ fn testInvalidUtf8ContinuationBytes() !void {	...	@@ -684,6 +703,8 @@ fn testInvalidUtf8ContinuationBytes() !void {
684	}	703	}
685		704
686	test "overlong utf8 codepoint" {	705	test "overlong utf8 codepoint" {
		706	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		707
687	try comptime testOverlongUtf8Codepoint();	708	try comptime testOverlongUtf8Codepoint();
688	try testOverlongUtf8Codepoint();	709	try testOverlongUtf8Codepoint();
689	}	710	}
...	@@ -697,6 +718,8 @@ fn testOverlongUtf8Codepoint() !void {	...	@@ -697,6 +718,8 @@ fn testOverlongUtf8Codepoint() !void {
697	}	718	}
698		719
699	test "misc invalid utf8" {	720	test "misc invalid utf8" {
		721	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		722
700	try comptime testMiscInvalidUtf8();	723	try comptime testMiscInvalidUtf8();
701	try testMiscInvalidUtf8();	724	try testMiscInvalidUtf8();
702	}	725	}
...	@@ -712,6 +735,8 @@ fn testMiscInvalidUtf8() !void {	...	@@ -712,6 +735,8 @@ fn testMiscInvalidUtf8() !void {
712	}	735	}
713		736
714	test "utf8 iterator peeking" {	737	test "utf8 iterator peeking" {
		738	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		739
715	try comptime testUtf8Peeking();	740	try comptime testUtf8Peeking();
716	try testUtf8Peeking();	741	try testUtf8Peeking();
717	}	742	}
...	@@ -796,6 +821,8 @@ pub fn utf16leToUtf8(utf8: []u8, utf16le: []const u16) !usize {	...	@@ -796,6 +821,8 @@ pub fn utf16leToUtf8(utf8: []u8, utf16le: []const u16) !usize {
796	}	821	}
797		822
798	test "utf16leToUtf8" {	823	test "utf16leToUtf8" {
		824	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		825
799	var utf16le: [2]u16 = undefined;	826	var utf16le: [2]u16 = undefined;
800	const utf16le_as_bytes = mem.sliceAsBytes(utf16le[0..]);	827	const utf16le_as_bytes = mem.sliceAsBytes(utf16le[0..]);
801		828
...	@@ -908,6 +935,8 @@ pub fn utf8ToUtf16Le(utf16le: []u16, utf8: []const u8) !usize {	...	@@ -908,6 +935,8 @@ pub fn utf8ToUtf16Le(utf16le: []u16, utf8: []const u8) !usize {
908	}	935	}
909		936
910	test "utf8ToUtf16Le" {	937	test "utf8ToUtf16Le" {
		938	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		939
911	var utf16le: [2]u16 = [_]u16{0} ** 2;	940	var utf16le: [2]u16 = [_]u16{0} ** 2;
912	{	941	{
913	const length = try utf8ToUtf16Le(utf16le[0..], "𐐷");	942	const length = try utf8ToUtf16Le(utf16le[0..], "𐐷");
...	@@ -926,6 +955,8 @@ test "utf8ToUtf16Le" {	...	@@ -926,6 +955,8 @@ test "utf8ToUtf16Le" {
926	}	955	}
927		956
928	test "utf8ToUtf16LeWithNull" {	957	test "utf8ToUtf16LeWithNull" {
		958	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		959
929	{	960	{
930	const utf16 = try utf8ToUtf16LeWithNull(testing.allocator, "𐐷");	961	const utf16 = try utf8ToUtf16LeWithNull(testing.allocator, "𐐷");
931	defer testing.allocator.free(utf16);	962	defer testing.allocator.free(utf16);
...	@@ -984,6 +1015,8 @@ fn testCalcUtf16LeLen() !void {	...	@@ -984,6 +1015,8 @@ fn testCalcUtf16LeLen() !void {
984	}	1015	}
985		1016
986	test "calculate utf16 string length of given utf8 string in u16" {	1017	test "calculate utf16 string length of given utf8 string in u16" {
		1018	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1019
987	try testCalcUtf16LeLen();	1020	try testCalcUtf16LeLen();
988	try comptime testCalcUtf16LeLen();	1021	try comptime testCalcUtf16LeLen();
989	}	1022	}
...	@@ -1017,6 +1050,8 @@ pub fn fmtUtf16le(utf16le: []const u16) std.fmt.Formatter(formatUtf16le) {	...	@@ -1017,6 +1050,8 @@ pub fn fmtUtf16le(utf16le: []const u16) std.fmt.Formatter(formatUtf16le) {
1017	}	1050	}
1018		1051
1019	test "fmtUtf16le" {	1052	test "fmtUtf16le" {
		1053	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1054
1020	const expectFmt = std.testing.expectFmt;	1055	const expectFmt = std.testing.expectFmt;
1021	try expectFmt("", "{}", .{fmtUtf16le(utf8ToUtf16LeStringLiteral(""))});	1056	try expectFmt("", "{}", .{fmtUtf16le(utf8ToUtf16LeStringLiteral(""))});
1022	try expectFmt("foo", "{}", .{fmtUtf16le(utf8ToUtf16LeStringLiteral("foo"))});	1057	try expectFmt("foo", "{}", .{fmtUtf16le(utf8ToUtf16LeStringLiteral("foo"))});
...	@@ -1030,6 +1065,8 @@ test "fmtUtf16le" {	...	@@ -1030,6 +1065,8 @@ test "fmtUtf16le" {
1030	}	1065	}
1031		1066
1032	test "utf8ToUtf16LeStringLiteral" {	1067	test "utf8ToUtf16LeStringLiteral" {
		1068	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1069
1033	{	1070	{
1034	const bytes = [_:0]u16{	1071	const bytes = [_:0]u16{
1035	mem.nativeToLittle(u16, 0x41),	1072	mem.nativeToLittle(u16, 0x41),
...	@@ -1090,6 +1127,8 @@ fn testUtf8CountCodepoints() !void {	...	@@ -1090,6 +1127,8 @@ fn testUtf8CountCodepoints() !void {
1090	}	1127	}
1091		1128
1092	test "utf8 count codepoints" {	1129	test "utf8 count codepoints" {
		1130	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1131
1093	try testUtf8CountCodepoints();	1132	try testUtf8CountCodepoints();
1094	try comptime testUtf8CountCodepoints();	1133	try comptime testUtf8CountCodepoints();
1095	}	1134	}
...	@@ -1106,6 +1145,8 @@ fn testUtf8ValidCodepoint() !void {	...	@@ -1106,6 +1145,8 @@ fn testUtf8ValidCodepoint() !void {
1106	}	1145	}
1107		1146
1108	test "utf8 valid codepoint" {	1147	test "utf8 valid codepoint" {
		1148	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1149
1109	try testUtf8ValidCodepoint();	1150	try testUtf8ValidCodepoint();
1110	try comptime testUtf8ValidCodepoint();	1151	try comptime testUtf8ValidCodepoint();
1111	}	1152	}

lib/std/zig/CrossTarget.zig+2

...	@@ -785,6 +785,8 @@ fn parseOs(result: CrossTarget, diags: ParseOptions.Diagnostics, text: []const	...	@@ -785,6 +785,8 @@ fn parseOs(result: CrossTarget, diags: ParseOptions.Diagnostics, text: []const
785	}	785	}
786		786
787	test "CrossTarget.parse" {	787	test "CrossTarget.parse" {
		788	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		789
788	if (builtin.target.isGnuLibC()) {	790	if (builtin.target.isGnuLibC()) {
789	var cross_target = try CrossTarget.parse(.{});	791	var cross_target = try CrossTarget.parse(.{});
790	cross_target.setGnuLibCVersion(2, 1, 1);	792	cross_target.setGnuLibCVersion(2, 1, 1);

lib/std/zig/Parse.zig+2

...	@@ -4102,5 +4102,7 @@ const TokenIndex = Ast.TokenIndex;	...	@@ -4102,5 +4102,7 @@ const TokenIndex = Ast.TokenIndex;
4102	const Token = std.zig.Token;	4102	const Token = std.zig.Token;
4103		4103
4104	test {	4104	test {
		4105	if (@import("builtin").zig_backend == .stage2_x86_64) return error.SkipZigTest;
		4106
4105	_ = @import("parser_test.zig");	4107	_ = @import("parser_test.zig");
4106	}	4108	}

lib/std/zig/fmt.zig+3

...	@@ -1,4 +1,5 @@	...	@@ -1,4 +1,5 @@
1	const std = @import("std");	1	const std = @import("std");
		2	const builtin = @import("builtin");
2	const mem = std.mem;	3	const mem = std.mem;
3		4
4	/// Print the string as a Zig identifier escaping it with @"" syntax if needed.	5	/// Print the string as a Zig identifier escaping it with @"" syntax if needed.
...	@@ -95,6 +96,8 @@ pub fn fmtEscapes(bytes: []const u8) std.fmt.Formatter(stringEscape) {	...	@@ -95,6 +96,8 @@ pub fn fmtEscapes(bytes: []const u8) std.fmt.Formatter(stringEscape) {
95	}	96	}
96		97
97	test "escape invalid identifiers" {	98	test "escape invalid identifiers" {
		99	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		100
98	const expectFmt = std.testing.expectFmt;	101	const expectFmt = std.testing.expectFmt;
99	try expectFmt("@\"while\"", "{}", .{fmtId("while")});	102	try expectFmt("@\"while\"", "{}", .{fmtId("while")});
100	try expectFmt("hello", "{}", .{fmtId("hello")});	103	try expectFmt("hello", "{}", .{fmtId("hello")});

lib/std/zig/tokenizer.zig+11

src/arch/x86_64/CodeGen.zig+158-97

 @@ -2895,13 +2895,16 @@ fn airIntCast(self: *Self, inst: Air.Inst.Index) !void {
         }.signedness;
         const src_mcv = try self.resolveInst(ty_op.operand);
-        const src_storage_bits = switch (src_mcv) {
+        const src_storage_bits: u16 = switch (src_mcv) {
             .register, .register_offset => 64,
-            .load_frame => |frame_addr| self.getFrameAddrSize(frame_addr) * 8,
+            .register_pair => 128,
+            .load_frame => |frame_addr| @intCast(self.getFrameAddrSize(frame_addr) * 8),
             else => src_int_info.bits,
         };
         const dst_mcv = if (dst_int_info.bits <= src_storage_bits and
+            std.math.divCeil(u16, dst_int_info.bits, 64) catch unreachable ==
+            std.math.divCeil(u32, src_storage_bits, 64) catch unreachable and
             self.reuseOperand(inst, ty_op.operand, 0, src_mcv)) src_mcv else dst: {
             const dst_mcv = try self.allocRegOrMem(inst, true);
             try self.genCopy(min_ty, dst_mcv, src_mcv);
 @@ -2976,8 +2979,21 @@ fn airTrunc(self: *Self, inst: Air.Inst.Index) !void {
         const dst_mcv = if (src_mcv.isRegister() and self.reuseOperand(inst, ty_op.operand, 0, src_mcv))
             src_mcv
-        else
+        else if (dst_abi_size <= 8)
-            try self.copyToRegisterWithInstTracking(inst, dst_ty, src_mcv);
+            try self.copyToRegisterWithInstTracking(inst, dst_ty, src_mcv)
+        else if (dst_abi_size <= 16) dst: {
+            const dst_regs = try self.register_manager.allocRegs(
+                2,
+                .{ inst, inst },
+                abi.RegisterClass.gp,
+            );
+            const dst_mcv: MCValue = .{ .register_pair = dst_regs };
+            const dst_locks = self.register_manager.lockRegsAssumeUnused(2, dst_regs);
+            defer for (dst_locks) |lock| self.register_manager.unlockReg(lock);
+            try self.genCopy(dst_ty, dst_mcv, src_mcv);
+            break :dst dst_mcv;
+        } else return self.fail("TODO implement trunc from {} to {}", .{ src_ty.fmt(mod), dst_ty.fmt(mod) });
         if (dst_ty.zigTypeTag(mod) == .Vector) {
             assert(src_ty.zigTypeTag(mod) == .Vector and dst_ty.vectorLen(mod) == src_ty.vectorLen(mod));
 @@ -3048,14 +3064,15 @@ fn airTrunc(self: *Self, inst: Air.Inst.Index) !void {
             break :result dst_mcv;
         }
-        if (dst_abi_size > 8) {
-            return self.fail("TODO implement trunc for abi sizes larger than 8", .{});
-        }
         // when truncating a `u16` to `u5`, for example, those top 3 bits in the result
         // have to be removed. this only happens if the dst if not a power-of-two size.
-        if (self.regExtraBits(dst_ty) > 0)
+        if (dst_abi_size <= 8) {
-            try self.truncateRegister(dst_ty, dst_mcv.register.to64());
+            if (self.regExtraBits(dst_ty) > 0) try self.truncateRegister(dst_ty, dst_mcv.register.to64());
+        } else if (dst_abi_size <= 16) {
+            const dst_info = dst_ty.intInfo(mod);
+            const high_ty = try mod.intType(dst_info.signedness, dst_info.bits - 64);
+            if (self.regExtraBits(high_ty) > 0) try self.truncateRegister(high_ty, dst_mcv.register_pair[1].to64());
+        }
         break :result dst_mcv;
     };
 @@ -3378,7 +3395,7 @@ fn airMulSat(self: *Self, inst: Air.Inst.Index) !void {
     const cc: Condition = if (ty.isSignedInt(mod)) cc: {
         try self.genSetReg(limit_reg, ty, lhs_mcv);
         try self.genBinOpMir(.{ ._, .xor }, ty, limit_mcv, rhs_mcv);
-        try self.genShiftBinOpMir(.{ ._, .sa }, ty, limit_mcv, .{ .immediate = reg_bits - 1 });
+        try self.genShiftBinOpMir(.{ ._r, .sa }, ty, limit_mcv, .{ .immediate = reg_bits - 1 });
         try self.genBinOpMir(.{ ._, .xor }, ty, limit_mcv, .{
             .immediate = (@as(u64, 1) << @intCast(reg_bits - 1)) - 1,
         });
 @@ -3646,7 +3663,10 @@ fn airMulWithOverflow(self: *Self, inst: Air.Inst.Index) !void {
                 },
                 else => {
                     // For now, this is the only supported multiply that doesn't fit in a register.
-                    assert(dst_info.bits <= 128 and src_bits == 64);
+                    if (dst_info.bits > 128 or src_bits != 64)
+                        return self.fail("TODO implement airWithOverflow from {} to {}", .{
+                            src_ty.fmt(mod), dst_ty.fmt(mod),
+                        });
                     const frame_index =
                         try self.allocFrameIndex(FrameAlloc.initType(tuple_ty, mod));
 @@ -3798,11 +3818,13 @@ fn airShlSat(self: *Self, inst: Air.Inst.Index) !void {
 }
 fn airOptionalPayload(self: *Self, inst: Air.Inst.Index) !void {
+    const mod = self.bin_file.options.module.?;
     const ty_op = self.air.instructions.items(.data)[inst].ty_op;
     const result: MCValue = result: {
         const pl_ty = self.typeOfIndex(inst);
-        const opt_mcv = try self.resolveInst(ty_op.operand);
+        if (!pl_ty.hasRuntimeBitsIgnoreComptime(mod)) break :result .none;
+        const opt_mcv = try self.resolveInst(ty_op.operand);
         if (self.reuseOperand(inst, ty_op.operand, 0, opt_mcv)) {
             switch (opt_mcv) {
                 .register => |reg| try self.truncateRegister(pl_ty, reg),
 @@ -4422,42 +4444,46 @@ fn airPtrElemVal(self: *Self, inst: Air.Inst.Index) !void {
     // this is identical to the `airPtrElemPtr` codegen expect here an
     // additional `mov` is needed at the end to get the actual value
-    const elem_ty = ptr_ty.elemType2(mod);
+    const result = result: {
-    const elem_abi_size: u32 = @intCast(elem_ty.abiSize(mod));
+        const elem_ty = ptr_ty.elemType2(mod);
-    const index_ty = self.typeOf(bin_op.rhs);
+        if (!elem_ty.hasRuntimeBitsIgnoreComptime(mod)) break :result .none;
-    const index_mcv = try self.resolveInst(bin_op.rhs);
-    const index_lock = switch (index_mcv) {
-        .register => |reg| self.register_manager.lockRegAssumeUnused(reg),
-        else => null,
-    };
-    defer if (index_lock) |lock| self.register_manager.unlockReg(lock);
-    const offset_reg = try self.elemOffset(index_ty, index_mcv, elem_abi_size);
+        const elem_abi_size: u32 = @intCast(elem_ty.abiSize(mod));
-    const offset_lock = self.register_manager.lockRegAssumeUnused(offset_reg);
+        const index_ty = self.typeOf(bin_op.rhs);
-    defer self.register_manager.unlockReg(offset_lock);
+        const index_mcv = try self.resolveInst(bin_op.rhs);
+        const index_lock = switch (index_mcv) {
+            .register => |reg| self.register_manager.lockRegAssumeUnused(reg),
+            else => null,
+        };
+        defer if (index_lock) |lock| self.register_manager.unlockReg(lock);
-    const ptr_mcv = try self.resolveInst(bin_op.lhs);
+        const offset_reg = try self.elemOffset(index_ty, index_mcv, elem_abi_size);
-    const elem_ptr_reg = if (ptr_mcv.isRegister() and self.liveness.operandDies(inst, 0))
+        const offset_lock = self.register_manager.lockRegAssumeUnused(offset_reg);
-        ptr_mcv.register
+        defer self.register_manager.unlockReg(offset_lock);
-    else
-        try self.copyToTmpRegister(ptr_ty, ptr_mcv);
-    const elem_ptr_lock = self.register_manager.lockRegAssumeUnused(elem_ptr_reg);
-    defer self.register_manager.unlockReg(elem_ptr_lock);
-    try self.asmRegisterRegister(
-        .{ ._, .add },
-        elem_ptr_reg,
-        offset_reg,
-    );
-    const dst_mcv = try self.allocRegOrMem(inst, true);
+        const ptr_mcv = try self.resolveInst(bin_op.lhs);
-    const dst_lock = switch (dst_mcv) {
+        const elem_ptr_reg = if (ptr_mcv.isRegister() and self.liveness.operandDies(inst, 0))
-        .register => |reg| self.register_manager.lockRegAssumeUnused(reg),
+            ptr_mcv.register
-        else => null,
+        else
-    };
+            try self.copyToTmpRegister(ptr_ty, ptr_mcv);
-    defer if (dst_lock) |lock| self.register_manager.unlockReg(lock);
+        const elem_ptr_lock = self.register_manager.lockRegAssumeUnused(elem_ptr_reg);
-    try self.load(dst_mcv, ptr_ty, .{ .register = elem_ptr_reg });
+        defer self.register_manager.unlockReg(elem_ptr_lock);
+        try self.asmRegisterRegister(
+            .{ ._, .add },
+            elem_ptr_reg,
+            offset_reg,
+        );
-    return self.finishAir(inst, dst_mcv, .{ bin_op.lhs, bin_op.rhs, .none });
+        const dst_mcv = try self.allocRegOrMem(inst, true);
+        const dst_lock = switch (dst_mcv) {
+            .register => |reg| self.register_manager.lockRegAssumeUnused(reg),
+            else => null,
+        };
+        defer if (dst_lock) |lock| self.register_manager.unlockReg(lock);
+        try self.load(dst_mcv, ptr_ty, .{ .register = elem_ptr_reg });
+        break :result dst_mcv;
+    };
+    return self.finishAir(inst, result, .{ bin_op.lhs, bin_op.rhs, .none });
 }
 fn airPtrElemPtr(self: *Self, inst: Air.Inst.Index) !void {
 @@ -4937,7 +4963,7 @@ fn byteSwap(self: *Self, inst: Air.Inst.Index, src_ty: Type, src_mcv: MCValue, m
     const mod = self.bin_file.options.module.?;
     const ty_op = self.air.instructions.items(.data)[inst].ty_op;
-    if (src_ty.zigTypeTag(mod) == .Vector or src_ty.abiSize(mod) > 8) return self.fail(
+    if (src_ty.zigTypeTag(mod) == .Vector) return self.fail(
         "TODO implement byteSwap for {}",
         .{src_ty.fmt(mod)},
     );
 @@ -5788,15 +5814,17 @@ fn packedLoad(self: *Self, dst_mcv: MCValue, ptr_ty: Type, ptr_mcv: MCValue) Inn
     const ptr_info = ptr_ty.ptrInfo(mod);
     const val_ty = ptr_info.child.toType();
+    if (!val_ty.hasRuntimeBitsIgnoreComptime(mod)) return;
     const val_abi_size: u32 = @intCast(val_ty.abiSize(mod));
+    if (val_abi_size > 8) return self.fail("TODO implement packed load of {}", .{val_ty.fmt(mod)});
     const limb_abi_size: u32 = @min(val_abi_size, 8);
     const limb_abi_bits = limb_abi_size * 8;
     const val_byte_off: i32 = @intCast(ptr_info.packed_offset.bit_offset / limb_abi_bits * limb_abi_size);
     const val_bit_off = ptr_info.packed_offset.bit_offset % limb_abi_bits;
     const val_extra_bits = self.regExtraBits(val_ty);
-    if (val_abi_size > 8) return self.fail("TODO implement packed load of {}", .{val_ty.fmt(mod)});
     const ptr_reg = try self.copyToTmpRegister(ptr_ty, ptr_mcv);
     const ptr_lock = self.register_manager.lockRegAssumeUnused(ptr_reg);
     defer self.register_manager.unlockReg(ptr_lock);
 @@ -5859,6 +5887,7 @@ fn packedLoad(self: *Self, dst_mcv: MCValue, ptr_ty: Type, ptr_mcv: MCValue) Inn
 fn load(self: *Self, dst_mcv: MCValue, ptr_ty: Type, ptr_mcv: MCValue) InnerError!void {
     const mod = self.bin_file.options.module.?;
     const dst_ty = ptr_ty.childType(mod);
+    if (!dst_ty.hasRuntimeBitsIgnoreComptime(mod)) return;
     switch (ptr_mcv) {
         .none,
         .unreach,
 @@ -5935,6 +5964,7 @@ fn packedStore(self: *Self, ptr_ty: Type, ptr_mcv: MCValue, src_mcv: MCValue) In
     const mod = self.bin_file.options.module.?;
     const ptr_info = ptr_ty.ptrInfo(mod);
     const src_ty = ptr_ty.childType(mod);
+    if (!src_ty.hasRuntimeBitsIgnoreComptime(mod)) return;
     const limb_abi_size: u16 = @min(ptr_info.packed_offset.host_size, 8);
     const limb_abi_bits = limb_abi_size * 8;
 @@ -6006,6 +6036,7 @@ fn packedStore(self: *Self, ptr_ty: Type, ptr_mcv: MCValue, src_mcv: MCValue) In
 fn store(self: *Self, ptr_ty: Type, ptr_mcv: MCValue, src_mcv: MCValue) InnerError!void {
     const mod = self.bin_file.options.module.?;
     const src_ty = ptr_ty.childType(mod);
+    if (!src_ty.hasRuntimeBitsIgnoreComptime(mod)) return;
     switch (ptr_mcv) {
         .none,
         .unreach,
 @@ -10476,39 +10507,44 @@ fn airAsm(self: *Self, inst: Air.Inst.Index) !void {
             },
             else => return self.fail("invalid constraint: '{s}'", .{constraint}),
         };
-        const arg_maybe_reg: ?Register = if (mem.eql(u8, constraint[1..], "r"))
+        const arg_mcv: MCValue = arg_mcv: {
-            self.register_manager.tryAllocReg(maybe_inst, self.regClassForType(ty)) orelse
+            const arg_maybe_reg: ?Register = if (mem.eql(u8, constraint[1..], "r"))
-                return self.fail("ran out of registers lowering inline asm", .{})
+                self.register_manager.tryAllocReg(maybe_inst, self.regClassForType(ty)) orelse
-        else if (mem.eql(u8, constraint[1..], "m"))
+                    return self.fail("ran out of registers lowering inline asm", .{})
-            if (output != .none) null else return self.fail(
+            else if (mem.eql(u8, constraint[1..], "m"))
-                "memory constraint unsupported for asm result: '{s}'",
+                if (output != .none) null else return self.fail(
-                .{constraint},
+                    "memory constraint unsupported for asm result: '{s}'",
-            )
+                    .{constraint},
-        else if (mem.eql(u8, constraint[1..], "g") or
+                )
-            mem.eql(u8, constraint[1..], "rm") or mem.eql(u8, constraint[1..], "mr") or
+            else if (mem.eql(u8, constraint[1..], "g") or
-            mem.eql(u8, constraint[1..], "r,m") or mem.eql(u8, constraint[1..], "m,r"))
+                mem.eql(u8, constraint[1..], "rm") or mem.eql(u8, constraint[1..], "mr") or
-            self.register_manager.tryAllocReg(maybe_inst, self.regClassForType(ty)) orelse
+                mem.eql(u8, constraint[1..], "r,m") or mem.eql(u8, constraint[1..], "m,r"))
-                if (output != .none)
+                self.register_manager.tryAllocReg(maybe_inst, self.regClassForType(ty)) orelse
-                null
+                    if (output != .none)
-            else
+                    null
-                return self.fail("ran out of registers lowering inline asm", .{})
+                else
-        else if (mem.startsWith(u8, constraint[1..], "{") and mem.endsWith(u8, constraint[1..], "}"))
+                    return self.fail("ran out of registers lowering inline asm", .{})
-            parseRegName(constraint[1 + "{".len .. constraint.len - "}".len]) orelse
+            else if (mem.startsWith(u8, constraint[1..], "{") and mem.endsWith(u8, constraint[1..], "}"))
-                return self.fail("invalid register constraint: '{s}'", .{constraint})
+                parseRegName(constraint[1 + "{".len .. constraint.len - "}".len]) orelse
-        else
+                    return self.fail("invalid register constraint: '{s}'", .{constraint})
-            return self.fail("invalid constraint: '{s}'", .{constraint});
+            else if (constraint.len == 2 and std.ascii.isDigit(constraint[1])) {
-        const arg_mcv: MCValue = if (arg_maybe_reg) |reg| .{ .register = reg } else arg: {
+                const index = std.fmt.charToDigit(constraint[0], 10) catch unreachable;
-            const ptr_mcv = try self.resolveInst(output);
+                if (index >= args.items.len) return self.fail("constraint out of bounds: '{s}'", .{constraint});
-            switch (ptr_mcv) {
+                break :arg_mcv args.items[index];
-                .immediate => |addr| if (math.cast(i32, @as(i64, @bitCast(addr)))) |_|
+            } else return self.fail("invalid constraint: '{s}'", .{constraint});
-                    break :arg ptr_mcv.deref(),
+            break :arg_mcv if (arg_maybe_reg) |reg| .{ .register = reg } else arg: {
-                .register, .register_offset, .lea_frame => break :arg ptr_mcv.deref(),
+                const ptr_mcv = try self.resolveInst(output);
-                else => {},
+                switch (ptr_mcv) {
-            }
+                    .immediate => |addr| if (math.cast(i32, @as(i64, @bitCast(addr)))) |_|
-            break :arg .{ .indirect = .{ .reg = try self.copyToTmpRegister(Type.usize, ptr_mcv) } };
+                        break :arg ptr_mcv.deref(),
+                    .register, .register_offset, .lea_frame => break :arg ptr_mcv.deref(),
+                    else => {},
+                }
+                break :arg .{ .indirect = .{ .reg = try self.copyToTmpRegister(Type.usize, ptr_mcv) } };
+            };
         };
         if (arg_mcv.getReg()) |reg| if (RegisterManager.indexOfRegIntoTracked(reg)) |_| {
-            _ = self.register_manager.lockRegAssumeUnused(reg);
+            _ = self.register_manager.lockReg(reg);
         };
         if (!mem.eql(u8, name, "_"))
             arg_map.putAssumeCapacityNoClobber(name, @intCast(args.items.len));
 @@ -10570,6 +10606,10 @@ fn airAsm(self: *Self, inst: Air.Inst.Index) !void {
             try self.register_manager.getReg(reg, null);
             try self.genSetReg(reg, ty, input_mcv);
             break :arg .{ .register = reg };
+        } else if (constraint.len == 1 and std.ascii.isDigit(constraint[0])) arg: {
+            const index = std.fmt.charToDigit(constraint[0], 10) catch unreachable;
+            if (index >= args.items.len) return self.fail("constraint out of bounds: '{s}'", .{constraint});
+            break :arg args.items[index];
         } else return self.fail("invalid constraint: '{s}'", .{constraint});
         if (arg_mcv.getReg()) |reg| if (RegisterManager.indexOfRegIntoTracked(reg)) |_| {
             _ = self.register_manager.lockReg(reg);
 @@ -10695,7 +10735,7 @@ fn airAsm(self: *Self, inst: Air.Inst.Index) !void {
                 mnem_name[mnem_prefix.len .. mnem_name.len - mnem_suffix.len],
             ) orelse continue };
         } else {
-            assert(prefix != .none);
+            assert(prefix != .none); // no combination of fixes produced a known mnemonic
             return self.fail("invalid prefix for mnemonic: '{s} {s}'", .{
                 @tagName(prefix), mnem_str,
             });
 @@ -10926,6 +10966,7 @@ fn airAsm(self: *Self, inst: Air.Inst.Index) !void {
         if (output == .none) continue;
         if (arg_mcv != .register) continue;
+        if (constraint.len == 2 and std.ascii.isDigit(constraint[1])) continue;
         try self.store(self.typeOf(output), .{ .air_ref = output }, arg_mcv);
     }
 @@ -11019,6 +11060,7 @@ fn moveStrategy(self: *Self, ty: Type, aligned: bool) !MoveStrategy {
             else => {},
         },
         .Vector => switch (ty.childType(mod).zigTypeTag(mod)) {
+            .Bool => return .{ .move = .{ ._, .mov } },
             .Int => switch (ty.childType(mod).intInfo(mod).bits) {
                 8 => switch (ty.vectorLen(mod)) {
                     1 => if (self.hasFeature(.avx)) return .{ .vex_insert_extract = .{
 @@ -11284,7 +11326,6 @@ fn genSetReg(self: *Self, dst_reg: Register, ty: Type, src_mcv: MCValue) InnerEr
         .none,
         .unreach,
         .dead,
-        .register_pair,
         .register_overflow,
         .reserved_frame,
         => unreachable,
 @@ -11388,6 +11429,7 @@ fn genSetReg(self: *Self, dst_reg: Register, ty: Type, src_mcv: MCValue) InnerEr
             },
             .x87, .mmx => unreachable,
         },
+        .register_pair => |src_regs| try self.genSetReg(dst_reg, ty, .{ .register = src_regs[0] }),
         .register_offset,
         .indirect,
         .load_frame,
 @@ -11521,10 +11563,13 @@ fn genSetMem(self: *Self, base: Memory.Base, disp: i32, ty: Type, src_mcv: MCVal
         .undef => {},
         .immediate => |imm| switch (abi_size) {
             1, 2, 4 => {
-                const immediate = if (ty.isSignedInt(mod))
+                const immediate = switch (if (ty.isAbiInt(mod))
-                    Immediate.s(@truncate(@as(i64, @bitCast(imm))))
+                    ty.intInfo(mod).signedness
                 else
-                    Immediate.u(@as(u32, @intCast(imm)));
+                    .unsigned) {
+                    .signed => Immediate.s(@truncate(@as(i64, @bitCast(imm)))),
+                    .unsigned => Immediate.u(@as(u32, @intCast(imm))),
+                };
                 try self.asmMemoryImmediate(
                     .{ ._, .mov },
                     Memory.sib(Memory.PtrSize.fromSize(abi_size), .{ .base = base, .disp = disp }),
 @@ -11586,19 +11631,35 @@ fn genSetMem(self: *Self, base: Memory.Base, disp: i32, ty: Type, src_mcv: MCVal
                 .{ .base = base, .disp = disp + @as(i32, @intCast(src_reg_i * 8)) },
             ), registerAlias(src_reg, part_size));
         },
-        .register_overflow => |ro| {
+        .register_overflow => |ro| switch (ty.zigTypeTag(mod)) {
-            try self.genSetMem(
+            .Struct => {
-                base,
+                try self.genSetMem(
-                disp + @as(i32, @intCast(ty.structFieldOffset(0, mod))),
+                    base,
-                ty.structFieldType(0, mod),
+                    disp + @as(i32, @intCast(ty.structFieldOffset(0, mod))),
-                .{ .register = ro.reg },
+                    ty.structFieldType(0, mod),
-            );
+                    .{ .register = ro.reg },
-            try self.genSetMem(
+                );
-                base,
+                try self.genSetMem(
-                disp + @as(i32, @intCast(ty.structFieldOffset(1, mod))),
+                    base,
-                ty.structFieldType(1, mod),
+                    disp + @as(i32, @intCast(ty.structFieldOffset(1, mod))),
-                .{ .eflags = ro.eflags },
+                    ty.structFieldType(1, mod),
-            );
+                    .{ .eflags = ro.eflags },
+                );
+            },
+            .Optional => {
+                assert(!ty.optionalReprIsPayload(mod));
+                const child_ty = ty.optionalChild(mod);
+                try self.genSetMem(base, disp, child_ty, .{ .register = ro.reg });
+                try self.genSetMem(
+                    base,
+                    disp + @as(i32, @intCast(child_ty.abiSize(mod))),
+                    Type.bool,
+                    .{ .eflags = ro.eflags },
+                );
+            },
+            else => return self.fail("TODO implement genSetMem for {s} of {}", .{
+                @tagName(src_mcv), ty.fmt(mod),
+            }),
         },
         .register_offset,
         .memory,

src/arch/x86_64/Encoding.zig+3-3

...	@@ -232,7 +232,7 @@ pub const Mnemonic = enum {	...	@@ -232,7 +232,7 @@ pub const Mnemonic = enum {
232	cmp,	232	cmp,
233	cmps, cmpsb, cmpsd, cmpsq, cmpsw,	233	cmps, cmpsb, cmpsd, cmpsq, cmpsw,
234	cmpxchg, cmpxchg8b, cmpxchg16b,	234	cmpxchg, cmpxchg8b, cmpxchg16b,
235	cqo, cwd, cwde,	235	cpuid, cqo, cwd, cwde,
236	div,	236	div,
237	idiv, imul, int3,	237	idiv, imul, int3,
238	ja, jae, jb, jbe, jc, jrcxz, je, jg, jge, jl, jle, jna, jnae, jnb, jnbe,	238	ja, jae, jb, jbe, jc, jrcxz, je, jg, jge, jl, jle, jna, jnae, jnb, jnbe,
...	@@ -246,7 +246,7 @@ pub const Mnemonic = enum {	...	@@ -246,7 +246,7 @@ pub const Mnemonic = enum {
246	movsx, movsxd, movzx, mul,	246	movsx, movsxd, movzx, mul,
247	neg, nop, not,	247	neg, nop, not,
248	@"or",	248	@"or",
249	pop, popcnt, push,	249	pause, pop, popcnt, push,
250	rcl, rcr, ret, rol, ror,	250	rcl, rcr, ret, rol, ror,
251	sal, sar, sbb,	251	sal, sar, sbb,
252	scas, scasb, scasd, scasq, scasw,	252	scas, scasb, scasd, scasq, scasw,
...	@@ -258,7 +258,7 @@ pub const Mnemonic = enum {	...	@@ -258,7 +258,7 @@ pub const Mnemonic = enum {
258	stos, stosb, stosd, stosq, stosw,	258	stos, stosb, stosd, stosq, stosw,
259	@"test", tzcnt,	259	@"test", tzcnt,
260	ud2,	260	ud2,
261	xadd, xchg, xor,	261	xadd, xchg, xgetbv, xor,
262	// X87	262	// X87
263	fabs, fchs, ffree, fisttp, fld, fst, fstp,	263	fabs, fchs, ffree, fisttp, fld, fst, fstp,
264	// MMX	264	// MMX

src/arch/x86_64/Mir.zig+6

...	@@ -327,6 +327,8 @@ pub const Inst = struct {	...	@@ -327,6 +327,8 @@ pub const Inst = struct {
327	/// Compare and exchange	327	/// Compare and exchange
328	/// Compare and exchange bytes	328	/// Compare and exchange bytes
329	cmpxchg,	329	cmpxchg,
		330	/// CPU identification
		331	cpuid,
330	/// Convert doubleword to quadword	332	/// Convert doubleword to quadword
331	cqo,	333	cqo,
332	/// Convert word to doubleword	334	/// Convert word to doubleword
...	@@ -386,6 +388,8 @@ pub const Inst = struct {	...	@@ -386,6 +388,8 @@ pub const Inst = struct {
386	/// Bitwise logical or of packed single-precision floating-point values	388	/// Bitwise logical or of packed single-precision floating-point values
387	/// Bitwise logical or of packed double-precision floating-point values	389	/// Bitwise logical or of packed double-precision floating-point values
388	@"or",	390	@"or",
		391	/// Spin loop hint
		392	pause,
389	/// Pop	393	/// Pop
390	pop,	394	pop,
391	/// Return the count of number of bits set to 1	395	/// Return the count of number of bits set to 1
...	@@ -437,6 +441,8 @@ pub const Inst = struct {	...	@@ -437,6 +441,8 @@ pub const Inst = struct {
437	xadd,	441	xadd,
438	/// Exchange register/memory with register	442	/// Exchange register/memory with register
439	xchg,	443	xchg,
		444	/// Get value of extended control register
		445	xgetbv,
440	/// Logical exclusive-or	446	/// Logical exclusive-or
441	/// Bitwise logical xor of packed single-precision floating-point values	447	/// Bitwise logical xor of packed single-precision floating-point values
442	/// Bitwise logical xor of packed double-precision floating-point values	448	/// Bitwise logical xor of packed double-precision floating-point values

src/arch/x86_64/encodings.zig+6

src/codegen.zig+2-2

...	@@ -545,7 +545,7 @@ pub fn generateSymbol(	...	@@ -545,7 +545,7 @@ pub fn generateSymbol(
545		545
546	if (layout.payload_size == 0) {	546	if (layout.payload_size == 0) {
547	return generateSymbol(bin_file, src_loc, .{	547	return generateSymbol(bin_file, src_loc, .{
548	.ty = typed_value.ty.unionTagType(mod).?,	548	.ty = typed_value.ty.unionTagTypeSafety(mod).?,
549	.val = un.tag.toValue(),	549	.val = un.tag.toValue(),
550	}, code, debug_output, reloc_info);	550	}, code, debug_output, reloc_info);
551	}	551	}
...	@@ -553,7 +553,7 @@ pub fn generateSymbol(	...	@@ -553,7 +553,7 @@ pub fn generateSymbol(
553	// Check if we should store the tag first.	553	// Check if we should store the tag first.
554	if (layout.tag_size > 0 and layout.tag_align.compare(.gte, layout.payload_align)) {	554	if (layout.tag_size > 0 and layout.tag_align.compare(.gte, layout.payload_align)) {
555	switch (try generateSymbol(bin_file, src_loc, .{	555	switch (try generateSymbol(bin_file, src_loc, .{
556	.ty = typed_value.ty.unionTagType(mod).?,	556	.ty = typed_value.ty.unionTagTypeSafety(mod).?,
557	.val = un.tag.toValue(),	557	.val = un.tag.toValue(),
558	}, code, debug_output, reloc_info)) {	558	}, code, debug_output, reloc_info)) {
559	.ok => {},	559	.ok => {},

test/behavior/basic.zig+1-1

 @@ -745,12 +745,12 @@ test "auto created variables have correct alignment" {
 test "extern variable with non-pointer opaque type" {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
+    if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf) return error.SkipZigTest;
     @export(var_to_export, .{ .name = "opaque_extern_var" });
     try expect(@as(*align(1) u32, @ptrCast(&opaque_extern_var)).* == 42);

test/behavior/bitcast.zig+2-1

 @@ -411,8 +411,9 @@ test "bitcast nan float does not modify signaling bit" {
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
+    if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf) return error.SkipZigTest;
     // TODO: https://github.com/ziglang/zig/issues/14366
     if (builtin.zig_backend == .stage2_llvm and comptime builtin.cpu.arch.isArmOrThumb()) return error.SkipZigTest;

test/behavior/bugs/6781.zig+1-1

 @@ -64,11 +64,11 @@ pub const JournalHeader = packed struct {
 test "fixed" {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
+    if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf) return error.SkipZigTest;
     var buffer align(@alignOf(JournalHeader)) = [_]u8{0} ** 65536;
     var entry = std.mem.bytesAsValue(JournalHeader, buffer[0..@sizeOf(JournalHeader)]);

test/behavior/bugs/920.zig+1-1

 @@ -57,11 +57,11 @@ const NormalDist = blk: {
 };
 test "bug 920 fixed" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
+    if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf) return error.SkipZigTest;
     const NormalDist1 = blk: {
         break :blk ZigTableGen(true, norm_r, norm_v, norm_f, norm_f_inv, norm_zero_case);

test/behavior/cast.zig+3-4

test/behavior/cast_int.zig-1

...	@@ -199,7 +199,6 @@ test "load non byte-sized value in union" {	...	@@ -199,7 +199,6 @@ test "load non byte-sized value in union" {
199	if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;	199	if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
200	if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest;	200	if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest;
201	if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;	201	if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
202	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
203	if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest;	202	if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest;
204		203
205	// note: this bug is triggered by the == operator, expectEqual will hide it	204	// note: this bug is triggered by the == operator, expectEqual will hide it

test/behavior/fn.zig+1-1

 @@ -425,8 +425,8 @@ test "implicit cast function to function ptr" {
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
+    if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf) return error.SkipZigTest;
     const S1 = struct {
         export fn someFunctionThatReturnsAValue() c_int {

test/behavior/int128.zig-1

...	@@ -66,7 +66,6 @@ test "int128" {	...	@@ -66,7 +66,6 @@ test "int128" {
66		66
67	test "truncate int128" {	67	test "truncate int128" {
68	if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO	68	if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
69	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
70	if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO	69	if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
71	if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO	70	if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
72	if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO	71	if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO

test/behavior/packed-struct.zig+2-2

 @@ -659,12 +659,12 @@ test "optional pointer in packed struct" {
 test "nested packed struct field access test" {
     if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO packed structs larger than 64 bits
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
-    //
+    if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf) return error.SkipZigTest;
     const Vec2 = packed struct {
         x: f32,
         y: f32,

test/behavior/translate_c_macros.zig+1-1

 @@ -151,11 +151,11 @@ test "string and char literals that are not UTF-8 encoded. Issue #12784" {
 test "Macro that uses division operator. Issue #13162" {
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
+    if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf) return error.SkipZigTest;
     try expectEqual(@as(c_int, 42), h.DIVIDE_CONSTANT(@as(c_int, 42_000)));
     try expectEqual(@as(c_uint, 42), h.DIVIDE_CONSTANT(@as(c_uint, 42_000)));

test/behavior/tuple.zig+1-1

 @@ -370,8 +370,8 @@ test "tuple initialized with a runtime known value" {
 test "tuple of struct concatenation and coercion to array" {
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
+    if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf) return error.SkipZigTest;
     const StructWithDefault = struct { value: f32 = 42 };
     const SomeStruct = struct { array: [4]StructWithDefault };

test/behavior/vector.zig+1-1

 @@ -1329,8 +1329,8 @@ test "store to vector in slice" {
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
+    if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf) return error.SkipZigTest;
     var v = [_]@Vector(3, f32){
         .{ 1, 1, 1 },

test/tests.zig+7-3

 @@ -985,7 +985,9 @@ pub fn addModuleTests(b: *std.Build, options: ModuleTestOptions) *Step {
             continue;
         // TODO get compiler-rt tests passing for self-hosted backends.
-        if (test_target.use_llvm == false and mem.eql(u8, options.name, "compiler-rt"))
+        if ((test_target.target.getCpuArch() != .x86_64 or
+            test_target.target.getObjectFormat() != .elf) and
+            test_target.use_llvm == false and mem.eql(u8, options.name, "compiler-rt"))
             continue;
         // TODO get compiler-rt tests passing for wasm32-wasi
 @@ -1002,8 +1004,10 @@ pub fn addModuleTests(b: *std.Build, options: ModuleTestOptions) *Step {
             test_target.use_llvm == false and mem.eql(u8, options.name, "universal-libc"))
             continue;
-        // TODO get std lib tests passing for self-hosted backends.
+        // TODO get std lib tests passing for other self-hosted backends.
-        if (test_target.use_llvm == false and mem.eql(u8, options.name, "std"))
+        if ((test_target.target.getCpuArch() != .x86_64 or
+            test_target.target.getObjectFormat() != .elf) and
+            test_target.use_llvm == false and mem.eql(u8, options.name, "std"))
             continue;
         const want_this_mode = for (options.optimize_modes) |m| {

tools/lldb_pretty_printers.py+19-8

 @@ -355,17 +355,28 @@ class Module_Decl__Module_Decl_Index_SynthProvider:
     def __init__(self, value, _=None): self.value = value
     def update(self):
         try:
-            for frame in self.value.thread:
+            ip = InternPool_Find(self.value.thread)
-                mod = frame.FindVariable('mod') or frame.FindVariable('module')
+            if not ip: return
-                if mod: break
+            self.ptr = ip.GetChildMemberWithName('allocated_decls').GetChildAtIndex(self.value.unsigned).address_of.Clone('decl')
-            else: return
-            self.ptr = mod.GetChildMemberWithName('allocated_decls').GetChildAtIndex(self.value.unsigned).address_of.Clone('decl')
         except: pass
     def has_children(self): return True
     def num_children(self): return 1
     def get_child_index(self, name): return 0 if name == 'decl' else -1
     def get_child_at_index(self, index): return self.ptr if index == 0 else None
+class Module_Namespace__Module_Namespace_Index_SynthProvider:
+    def __init__(self, value, _=None): self.value = value
+    def update(self):
+        try:
+            ip = InternPool_Find(self.value.thread)
+            if not ip: return
+            self.ptr = ip.GetChildMemberWithName('allocated_namespaces').GetChildAtIndex(self.value.unsigned).address_of.Clone('namespace')
+        except: pass
+    def has_children(self): return True
+    def num_children(self): return 1
+    def get_child_index(self, name): return 0 if name == 'namespace' else -1
+    def get_child_at_index(self, index): return self.ptr if index == 0 else None
 class TagOrPayloadPtr_SynthProvider:
     def __init__(self, value, _=None): self.value = value
     def update(self):
 @@ -440,10 +451,9 @@ class InternPool_Index_SynthProvider:
             for encoding_field in encoding_type.fields:
                 if encoding_field.name == 'data':
                     if encoding_field.type.IsPointerType():
-                        data_type = encoding_field.type.GetPointeeType()
                         extra_index = data.unsigned
-                        self.data = extra.GetChildAtIndex(extra_index).Cast(data_type).Clone('data')
+                        self.data = extra.GetChildAtIndex(extra_index).address_of.Cast(encoding_field.type).deref.Clone('data')
-                        extra_index += data_type.num_fields
+                        extra_index += encoding_field.type.GetPointeeType().num_fields
                     else:
                         self.data = data.Cast(encoding_field.type).Clone('data')
                 elif encoding_field.name == 'trailing':
 @@ -700,6 +710,7 @@ def __lldb_init_module(debugger, _=None):
     add(debugger, category='zig.stage2', regex=True, type=MultiArrayList_Entry('Air\\.Inst'), identifier='TagAndPayload', synth=True, inline_children=True, summary=True)
     add(debugger, category='zig.stage2', regex=True, type='^Air\\.Inst\\.Data\\.Data__struct_[1-9][0-9]*$', inline_children=True, summary=True)
     add(debugger, category='zig.stage2', type='Module.Decl::Module.Decl.Index', synth=True)
+    add(debugger, category='zig.stage2', type='Module.Namespace::Module.Namespace.Index', synth=True)
     add(debugger, category='zig.stage2', type='Module.LazySrcLoc', identifier='zig_TaggedUnion', synth=True)
     add(debugger, category='zig.stage2', type='InternPool.Index', synth=True)
     add(debugger, category='zig.stage2', type='InternPool.NullTerminatedString', summary=True)

author	Jacob Young <jacobly@ziglang.org> 2023-10-22 15:46:33-04:00
committer	Jacob Young <jacobly@ziglang.org> 2023-10-22 15:46:43-04:00
log	27fe945a00956c8e727ca4c5409c6b716bc09a6d
tree	c9427aa9886e8d7f84c50f2ef12407cc80fa61d1
parent	6f0198cadbe29294f2bf3153a27beebd64377566

...	@@ -33,6 +33,7 @@	...	@@ -33,6 +33,7 @@
33	const std = @import("std.zig");	33	const std = @import("std.zig");
34	const assert = std.debug.assert;	34	const assert = std.debug.assert;
35	const Allocator = std.mem.Allocator;	35	const Allocator = std.mem.Allocator;
		36	const builtin = @import("builtin");
36		37
37	/// Returns the optimal static bit set type for the specified number	38	/// Returns the optimal static bit set type for the specified number
38	/// of elements: either `IntegerBitSet` or `ArrayBitSet`,	39	/// of elements: either `IntegerBitSet` or `ArrayBitSet`,
...	@@ -1636,7 +1637,10 @@ fn testStaticBitSet(comptime Set: type) !void {	...	@@ -1636,7 +1637,10 @@ fn testStaticBitSet(comptime Set: type) !void {
1636	}	1637	}
1637		1638
1638	test "IntegerBitSet" {	1639	test "IntegerBitSet" {
1639	if (@import("builtin").zig_backend == .stage2_c) return error.SkipZigTest;	1640	switch (builtin.zig_backend) {
		1641	.stage2_c, .stage2_x86_64 => return error.SkipZigTest,
		1642	else => {},
		1643	}
1640		1644
1641	try testStaticBitSet(IntegerBitSet(0));	1645	try testStaticBitSet(IntegerBitSet(0));
1642	try testStaticBitSet(IntegerBitSet(1));	1646	try testStaticBitSet(IntegerBitSet(1));
...	@@ -1649,6 +1653,11 @@ test "IntegerBitSet" {	...	@@ -1649,6 +1653,11 @@ test "IntegerBitSet" {
1649	}	1653	}
1650		1654
1651	test "ArrayBitSet" {	1655	test "ArrayBitSet" {
		1656	switch (builtin.zig_backend) {
		1657	.stage2_x86_64 => return error.SkipZigTest,
		1658	else => {},
		1659	}
		1660
1652	inline for (.{ 0, 1, 2, 31, 32, 33, 63, 64, 65, 254, 500, 3000 }) \|size\| {	1661	inline for (.{ 0, 1, 2, 31, 32, 33, 63, 64, 65, 254, 500, 3000 }) \|size\| {
1653	try testStaticBitSet(ArrayBitSet(u8, size));	1662	try testStaticBitSet(ArrayBitSet(u8, size));
1654	try testStaticBitSet(ArrayBitSet(u16, size));	1663	try testStaticBitSet(ArrayBitSet(u16, size));
...	@@ -1659,6 +1668,8 @@ test "ArrayBitSet" {	...	@@ -1659,6 +1668,8 @@ test "ArrayBitSet" {
1659	}	1668	}
1660		1669
1661	test "DynamicBitSetUnmanaged" {	1670	test "DynamicBitSetUnmanaged" {
		1671	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1672
1662	const allocator = std.testing.allocator;	1673	const allocator = std.testing.allocator;
1663	var a = try DynamicBitSetUnmanaged.initEmpty(allocator, 300);	1674	var a = try DynamicBitSetUnmanaged.initEmpty(allocator, 300);
1664	try testing.expectEqual(@as(usize, 0), a.count());	1675	try testing.expectEqual(@as(usize, 0), a.count());
...	@@ -1712,6 +1723,8 @@ test "DynamicBitSetUnmanaged" {	...	@@ -1712,6 +1723,8 @@ test "DynamicBitSetUnmanaged" {
1712	}	1723	}
1713		1724
1714	test "DynamicBitSet" {	1725	test "DynamicBitSet" {
		1726	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1727
1715	const allocator = std.testing.allocator;	1728	const allocator = std.testing.allocator;
1716	var a = try DynamicBitSet.initEmpty(allocator, 300);	1729	var a = try DynamicBitSet.initEmpty(allocator, 300);
1717	try testing.expectEqual(@as(usize, 0), a.count());	1730	try testing.expectEqual(@as(usize, 0), a.count());

...	@@ -845,6 +845,8 @@ const testing = std.testing;	...	@@ -845,6 +845,8 @@ const testing = std.testing;
845	const ArrayList = std.ArrayList;	845	const ArrayList = std.ArrayList;
846		846
847	test "writeBlockHuff" {	847	test "writeBlockHuff" {
		848	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		849
848	// Tests huffman encoding against reference files to detect possible regressions.	850	// Tests huffman encoding against reference files to detect possible regressions.
849	// If encoding/bit allocation changes you can regenerate these files	851	// If encoding/bit allocation changes you can regenerate these files
850		852
...	@@ -1569,6 +1571,8 @@ const TestType = enum {	...	@@ -1569,6 +1571,8 @@ const TestType = enum {
1569	};	1571	};
1570		1572
1571	test "writeBlock" {	1573	test "writeBlock" {
		1574	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1575
1572	// tests if the writeBlock encoding has changed.	1576	// tests if the writeBlock encoding has changed.
1573		1577
1574	const ttype: TestType = .write_block;	1578	const ttype: TestType = .write_block;
...	@@ -1584,6 +1588,8 @@ test "writeBlock" {	...	@@ -1584,6 +1588,8 @@ test "writeBlock" {
1584	}	1588	}
1585		1589
1586	test "writeBlockDynamic" {	1590	test "writeBlockDynamic" {
		1591	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1592
1587	// tests if the writeBlockDynamic encoding has changed.	1593	// tests if the writeBlockDynamic encoding has changed.
1588		1594
1589	const ttype: TestType = .write_dyn_block;	1595	const ttype: TestType = .write_dyn_block;

...	@@ -624,6 +624,8 @@ pub fn parseTimeDigits(text: *const [2]u8, min: u8, max: u8) !u8 {	...	@@ -624,6 +624,8 @@ pub fn parseTimeDigits(text: *const [2]u8, min: u8, max: u8) !u8 {
624	}	624	}
625		625
626	test parseTimeDigits {	626	test parseTimeDigits {
		627	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		628
627	const expectEqual = std.testing.expectEqual;	629	const expectEqual = std.testing.expectEqual;
628	try expectEqual(@as(u8, 0), try parseTimeDigits("00", 0, 99));	630	try expectEqual(@as(u8, 0), try parseTimeDigits("00", 0, 99));
629	try expectEqual(@as(u8, 99), try parseTimeDigits("99", 0, 99));	631	try expectEqual(@as(u8, 99), try parseTimeDigits("99", 0, 99));
...	@@ -645,6 +647,8 @@ pub fn parseYear4(text: *const [4]u8) !u16 {	...	@@ -645,6 +647,8 @@ pub fn parseYear4(text: *const [4]u8) !u16 {
645	}	647	}
646		648
647	test parseYear4 {	649	test parseYear4 {
		650	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		651
648	const expectEqual = std.testing.expectEqual;	652	const expectEqual = std.testing.expectEqual;
649	try expectEqual(@as(u16, 0), try parseYear4("0000"));	653	try expectEqual(@as(u16, 0), try parseYear4("0000"));
650	try expectEqual(@as(u16, 9999), try parseYear4("9999"));	654	try expectEqual(@as(u16, 9999), try parseYear4("9999"));
...	@@ -1119,3 +1123,5 @@ pub const rsa = struct {	...	@@ -1119,3 +1123,5 @@ pub const rsa = struct {
1119	return res;	1123	return res;
1120	}	1124	}
1121	};	1125	};
		1126
		1127	const builtin = @import("builtin");

...	@@ -17,6 +17,7 @@	...	@@ -17,6 +17,7 @@
17	//! https://datatracker.ietf.org/doc/draft-irtf-cfrg-aegis-aead/	17	//! https://datatracker.ietf.org/doc/draft-irtf-cfrg-aegis-aead/
18		18
19	const std = @import("std");	19	const std = @import("std");
		20	const builtin = @import("builtin");
20	const crypto = std.crypto;	21	const crypto = std.crypto;
21	const mem = std.mem;	22	const mem = std.mem;
22	const assert = std.debug.assert;	23	const assert = std.debug.assert;
...	@@ -513,6 +514,8 @@ const htest = @import("test.zig");	...	@@ -513,6 +514,8 @@ const htest = @import("test.zig");
513	const testing = std.testing;	514	const testing = std.testing;
514		515
515	test "Aegis128L test vector 1" {	516	test "Aegis128L test vector 1" {
		517	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		518
516	const key: [Aegis128L.key_length]u8 = [_]u8{ 0x10, 0x01 } ++ [_]u8{0x00} ** 14;	519	const key: [Aegis128L.key_length]u8 = [_]u8{ 0x10, 0x01 } ++ [_]u8{0x00} ** 14;
517	const nonce: [Aegis128L.nonce_length]u8 = [_]u8{ 0x10, 0x00, 0x02 } ++ [_]u8{0x00} ** 13;	520	const nonce: [Aegis128L.nonce_length]u8 = [_]u8{ 0x10, 0x00, 0x02 } ++ [_]u8{0x00} ** 13;
518	const ad = [8]u8{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07 };	521	const ad = [8]u8{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07 };
...	@@ -536,6 +539,8 @@ test "Aegis128L test vector 1" {	...	@@ -536,6 +539,8 @@ test "Aegis128L test vector 1" {
536	}	539	}
537		540
538	test "Aegis128L test vector 2" {	541	test "Aegis128L test vector 2" {
		542	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		543
539	const key: [Aegis128L.key_length]u8 = [_]u8{0x00} ** 16;	544	const key: [Aegis128L.key_length]u8 = [_]u8{0x00} ** 16;
540	const nonce: [Aegis128L.nonce_length]u8 = [_]u8{0x00} ** 16;	545	const nonce: [Aegis128L.nonce_length]u8 = [_]u8{0x00} ** 16;
541	const ad = [_]u8{};	546	const ad = [_]u8{};
...	@@ -553,6 +558,8 @@ test "Aegis128L test vector 2" {	...	@@ -553,6 +558,8 @@ test "Aegis128L test vector 2" {
553	}	558	}
554		559
555	test "Aegis128L test vector 3" {	560	test "Aegis128L test vector 3" {
		561	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		562
556	const key: [Aegis128L.key_length]u8 = [_]u8{0x00} ** 16;	563	const key: [Aegis128L.key_length]u8 = [_]u8{0x00} ** 16;
557	const nonce: [Aegis128L.nonce_length]u8 = [_]u8{0x00} ** 16;	564	const nonce: [Aegis128L.nonce_length]u8 = [_]u8{0x00} ** 16;
558	const ad = [_]u8{};	565	const ad = [_]u8{};
...	@@ -569,6 +576,8 @@ test "Aegis128L test vector 3" {	...	@@ -569,6 +576,8 @@ test "Aegis128L test vector 3" {
569	}	576	}
570		577
571	test "Aegis256 test vector 1" {	578	test "Aegis256 test vector 1" {
		579	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		580
572	const key: [Aegis256.key_length]u8 = [_]u8{ 0x10, 0x01 } ++ [_]u8{0x00} ** 30;	581	const key: [Aegis256.key_length]u8 = [_]u8{ 0x10, 0x01 } ++ [_]u8{0x00} ** 30;
573	const nonce: [Aegis256.nonce_length]u8 = [_]u8{ 0x10, 0x00, 0x02 } ++ [_]u8{0x00} ** 29;	582	const nonce: [Aegis256.nonce_length]u8 = [_]u8{ 0x10, 0x00, 0x02 } ++ [_]u8{0x00} ** 29;
574	const ad = [8]u8{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07 };	583	const ad = [8]u8{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07 };
...	@@ -592,6 +601,8 @@ test "Aegis256 test vector 1" {	...	@@ -592,6 +601,8 @@ test "Aegis256 test vector 1" {
592	}	601	}
593		602
594	test "Aegis256 test vector 2" {	603	test "Aegis256 test vector 2" {
		604	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		605
595	const key: [Aegis256.key_length]u8 = [_]u8{0x00} ** 32;	606	const key: [Aegis256.key_length]u8 = [_]u8{0x00} ** 32;
596	const nonce: [Aegis256.nonce_length]u8 = [_]u8{0x00} ** 32;	607	const nonce: [Aegis256.nonce_length]u8 = [_]u8{0x00} ** 32;
597	const ad = [_]u8{};	608	const ad = [_]u8{};
...	@@ -609,6 +620,8 @@ test "Aegis256 test vector 2" {	...	@@ -609,6 +620,8 @@ test "Aegis256 test vector 2" {
609	}	620	}
610		621
611	test "Aegis256 test vector 3" {	622	test "Aegis256 test vector 3" {
		623	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		624
612	const key: [Aegis256.key_length]u8 = [_]u8{0x00} ** 32;	625	const key: [Aegis256.key_length]u8 = [_]u8{0x00} ** 32;
613	const nonce: [Aegis256.nonce_length]u8 = [_]u8{0x00} ** 32;	626	const nonce: [Aegis256.nonce_length]u8 = [_]u8{0x00} ** 32;
614	const ad = [_]u8{};	627	const ad = [_]u8{};
...	@@ -625,6 +638,8 @@ test "Aegis256 test vector 3" {	...	@@ -625,6 +638,8 @@ test "Aegis256 test vector 3" {
625	}	638	}
626		639
627	test "Aegis MAC" {	640	test "Aegis MAC" {
		641	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		642
628	const key = [_]u8{0x00} ** Aegis128LMac.key_length;	643	const key = [_]u8{0x00} ** Aegis128LMac.key_length;
629	var msg: [64]u8 = undefined;	644	var msg: [64]u8 = undefined;
630	for (&msg, 0..) \|*m, i\| {	645	for (&msg, 0..) \|*m, i\| {

...	@@ -499,6 +499,8 @@ fn ChaChaNonVecImpl(comptime rounds_nb: usize) type {	...	@@ -499,6 +499,8 @@ fn ChaChaNonVecImpl(comptime rounds_nb: usize) type {
499	fn ChaChaImpl(comptime rounds_nb: usize) type {	499	fn ChaChaImpl(comptime rounds_nb: usize) type {
500	switch (builtin.cpu.arch) {	500	switch (builtin.cpu.arch) {
501	.x86_64 => {	501	.x86_64 => {
		502	if (builtin.zig_backend == .stage2_x86_64) return ChaChaNonVecImpl(rounds_nb);
		503
502	const has_avx2 = std.Target.x86.featureSetHas(builtin.cpu.features, .avx2);	504	const has_avx2 = std.Target.x86.featureSetHas(builtin.cpu.features, .avx2);
503	const has_avx512f = std.Target.x86.featureSetHas(builtin.cpu.features, .avx512f);	505	const has_avx512f = std.Target.x86.featureSetHas(builtin.cpu.features, .avx512f);
504	if (has_avx512f) return ChaChaVecImpl(rounds_nb, 4);	506	if (has_avx512f) return ChaChaVecImpl(rounds_nb, 4);
...	@@ -757,6 +759,8 @@ fn XChaChaPoly1305(comptime rounds_nb: usize) type {	...	@@ -757,6 +759,8 @@ fn XChaChaPoly1305(comptime rounds_nb: usize) type {
757	}	759	}
758		760
759	test "chacha20 AEAD API" {	761	test "chacha20 AEAD API" {
		762	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		763
760	const aeads = [_]type{ ChaCha20Poly1305, XChaCha20Poly1305 };	764	const aeads = [_]type{ ChaCha20Poly1305, XChaCha20Poly1305 };
761	const m = "Ladies and Gentlemen of the class of '99: If I could offer you only one tip for the future, sunscreen would be it.";	765	const m = "Ladies and Gentlemen of the class of '99: If I could offer you only one tip for the future, sunscreen would be it.";
762	const ad = "Additional data";	766	const ad = "Additional data";
...	@@ -778,6 +782,8 @@ test "chacha20 AEAD API" {	...	@@ -778,6 +782,8 @@ test "chacha20 AEAD API" {
778		782
779	// https://tools.ietf.org/html/rfc7539#section-2.4.2	783	// https://tools.ietf.org/html/rfc7539#section-2.4.2
780	test "crypto.chacha20 test vector sunscreen" {	784	test "crypto.chacha20 test vector sunscreen" {
		785	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		786
781	const expected_result = [_]u8{	787	const expected_result = [_]u8{
782	0x6e, 0x2e, 0x35, 0x9a, 0x25, 0x68, 0xf9, 0x80,	788	0x6e, 0x2e, 0x35, 0x9a, 0x25, 0x68, 0xf9, 0x80,
783	0x41, 0xba, 0x07, 0x28, 0xdd, 0x0d, 0x69, 0x81,	789	0x41, 0xba, 0x07, 0x28, 0xdd, 0x0d, 0x69, 0x81,
...	@@ -819,6 +825,8 @@ test "crypto.chacha20 test vector sunscreen" {	...	@@ -819,6 +825,8 @@ test "crypto.chacha20 test vector sunscreen" {
819		825
820	// https://tools.ietf.org/html/draft-agl-tls-chacha20poly1305-04#section-7	826	// https://tools.ietf.org/html/draft-agl-tls-chacha20poly1305-04#section-7
821	test "crypto.chacha20 test vector 1" {	827	test "crypto.chacha20 test vector 1" {
		828	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		829
822	const expected_result = [_]u8{	830	const expected_result = [_]u8{
823	0x76, 0xb8, 0xe0, 0xad, 0xa0, 0xf1, 0x3d, 0x90,	831	0x76, 0xb8, 0xe0, 0xad, 0xa0, 0xf1, 0x3d, 0x90,
824	0x40, 0x5d, 0x6a, 0xe5, 0x53, 0x86, 0xbd, 0x28,	832	0x40, 0x5d, 0x6a, 0xe5, 0x53, 0x86, 0xbd, 0x28,
...	@@ -853,6 +861,8 @@ test "crypto.chacha20 test vector 1" {	...	@@ -853,6 +861,8 @@ test "crypto.chacha20 test vector 1" {
853	}	861	}
854		862
855	test "crypto.chacha20 test vector 2" {	863	test "crypto.chacha20 test vector 2" {
		864	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		865
856	const expected_result = [_]u8{	866	const expected_result = [_]u8{
857	0x45, 0x40, 0xf0, 0x5a, 0x9f, 0x1f, 0xb2, 0x96,	867	0x45, 0x40, 0xf0, 0x5a, 0x9f, 0x1f, 0xb2, 0x96,
858	0xd7, 0x73, 0x6e, 0x7b, 0x20, 0x8e, 0x3c, 0x96,	868	0xd7, 0x73, 0x6e, 0x7b, 0x20, 0x8e, 0x3c, 0x96,
...	@@ -887,6 +897,8 @@ test "crypto.chacha20 test vector 2" {	...	@@ -887,6 +897,8 @@ test "crypto.chacha20 test vector 2" {
887	}	897	}
888		898
889	test "crypto.chacha20 test vector 3" {	899	test "crypto.chacha20 test vector 3" {
		900	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		901
890	const expected_result = [_]u8{	902	const expected_result = [_]u8{
891	0xde, 0x9c, 0xba, 0x7b, 0xf3, 0xd6, 0x9e, 0xf5,	903	0xde, 0x9c, 0xba, 0x7b, 0xf3, 0xd6, 0x9e, 0xf5,
892	0xe7, 0x86, 0xdc, 0x63, 0x97, 0x3f, 0x65, 0x3a,	904	0xe7, 0x86, 0xdc, 0x63, 0x97, 0x3f, 0x65, 0x3a,
...	@@ -921,6 +933,8 @@ test "crypto.chacha20 test vector 3" {	...	@@ -921,6 +933,8 @@ test "crypto.chacha20 test vector 3" {
921	}	933	}
922		934
923	test "crypto.chacha20 test vector 4" {	935	test "crypto.chacha20 test vector 4" {
		936	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		937
924	const expected_result = [_]u8{	938	const expected_result = [_]u8{
925	0xef, 0x3f, 0xdf, 0xd6, 0xc6, 0x15, 0x78, 0xfb,	939	0xef, 0x3f, 0xdf, 0xd6, 0xc6, 0x15, 0x78, 0xfb,
926	0xf5, 0xcf, 0x35, 0xbd, 0x3d, 0xd3, 0x3b, 0x80,	940	0xf5, 0xcf, 0x35, 0xbd, 0x3d, 0xd3, 0x3b, 0x80,
...	@@ -955,6 +969,8 @@ test "crypto.chacha20 test vector 4" {	...	@@ -955,6 +969,8 @@ test "crypto.chacha20 test vector 4" {
955	}	969	}
956		970
957	test "crypto.chacha20 test vector 5" {	971	test "crypto.chacha20 test vector 5" {
		972	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		973
958	const expected_result = [_]u8{	974	const expected_result = [_]u8{
959	0xf7, 0x98, 0xa1, 0x89, 0xf1, 0x95, 0xe6, 0x69,	975	0xf7, 0x98, 0xa1, 0x89, 0xf1, 0x95, 0xe6, 0x69,
960	0x82, 0x10, 0x5f, 0xfb, 0x64, 0x0b, 0xb7, 0x75,	976	0x82, 0x10, 0x5f, 0xfb, 0x64, 0x0b, 0xb7, 0x75,
...	@@ -1027,6 +1043,8 @@ test "crypto.chacha20 test vector 5" {	...	@@ -1027,6 +1043,8 @@ test "crypto.chacha20 test vector 5" {
1027	}	1043	}
1028		1044
1029	test "seal" {	1045	test "seal" {
		1046	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1047
1030	{	1048	{
1031	const m = "";	1049	const m = "";
1032	const ad = "";	1050	const ad = "";
...	@@ -1077,6 +1095,8 @@ test "seal" {	...	@@ -1077,6 +1095,8 @@ test "seal" {
1077	}	1095	}
1078		1096
1079	test "open" {	1097	test "open" {
		1098	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1099
1080	{	1100	{
1081	const c = [_]u8{ 0xa0, 0x78, 0x4d, 0x7a, 0x47, 0x16, 0xf3, 0xfe, 0xb4, 0xf6, 0x4e, 0x7f, 0x4b, 0x39, 0xbf, 0x4 };	1101	const c = [_]u8{ 0xa0, 0x78, 0x4d, 0x7a, 0x47, 0x16, 0xf3, 0xfe, 0xb4, 0xf6, 0x4e, 0x7f, 0x4b, 0x39, 0xbf, 0x4 };
1082	const ad = "";	1102	const ad = "";
...	@@ -1141,6 +1161,8 @@ test "open" {	...	@@ -1141,6 +1161,8 @@ test "open" {
1141	}	1161	}
1142		1162
1143	test "crypto.xchacha20" {	1163	test "crypto.xchacha20" {
		1164	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1165
1144	const key = [_]u8{69} ** 32;	1166	const key = [_]u8{69} ** 32;
1145	const nonce = [_]u8{42} ** 24;	1167	const nonce = [_]u8{42} ** 24;
1146	const m = "Ladies and Gentlemen of the class of '99: If I could offer you only one tip for the future, sunscreen would be it.";	1168	const m = "Ladies and Gentlemen of the class of '99: If I could offer you only one tip for the future, sunscreen would be it.";

...	@@ -6,6 +6,7 @@	...	@@ -6,6 +6,7 @@
6	// https://git.musl-libc.org/cgit/musl/tree/src/math/ilogb.c	6	// https://git.musl-libc.org/cgit/musl/tree/src/math/ilogb.c
7		7
8	const std = @import("../std.zig");	8	const std = @import("../std.zig");
		9	const builtin = @import("builtin");
9	const math = std.math;	10	const math = std.math;
10	const expect = std.testing.expect;	11	const expect = std.testing.expect;
11	const maxInt = std.math.maxInt;	12	const maxInt = std.math.maxInt;
...	@@ -108,6 +109,8 @@ test "64" {	...	@@ -108,6 +109,8 @@ test "64" {
108	}	109	}
109		110
110	test "80" {	111	test "80" {
		112	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		113
111	try expect(ilogbX(f80, 0.0) == fp_ilogb0);	114	try expect(ilogbX(f80, 0.0) == fp_ilogb0);
112	try expect(ilogbX(f80, 0.5) == -1);	115	try expect(ilogbX(f80, 0.5) == -1);
113	try expect(ilogbX(f80, 0.8923) == -1);	116	try expect(ilogbX(f80, 0.8923) == -1);
...	@@ -122,6 +125,8 @@ test "80" {	...	@@ -122,6 +125,8 @@ test "80" {
122	}	125	}
123		126
124	test "128" {	127	test "128" {
		128	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		129
125	try expect(ilogbX(f128, 0.0) == fp_ilogb0);	130	try expect(ilogbX(f128, 0.0) == fp_ilogb0);
126	try expect(ilogbX(f128, 0.5) == -1);	131	try expect(ilogbX(f128, 0.5) == -1);
127	try expect(ilogbX(f128, 0.8923) == -1);	132	try expect(ilogbX(f128, 0.8923) == -1);
...	@@ -157,6 +162,8 @@ test "64 special" {	...	@@ -157,6 +162,8 @@ test "64 special" {
157	}	162	}
158		163
159	test "80 special" {	164	test "80 special" {
		165	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		166
160	try expect(ilogbX(f80, math.inf(f80)) == maxInt(i32));	167	try expect(ilogbX(f80, math.inf(f80)) == maxInt(i32));
161	try expect(ilogbX(f80, -math.inf(f80)) == maxInt(i32));	168	try expect(ilogbX(f80, -math.inf(f80)) == maxInt(i32));
162	try expect(ilogbX(f80, 0.0) == minInt(i32));	169	try expect(ilogbX(f80, 0.0) == minInt(i32));
...	@@ -164,6 +171,8 @@ test "80 special" {	...	@@ -164,6 +171,8 @@ test "80 special" {
164	}	171	}
165		172
166	test "128 special" {	173	test "128 special" {
		174	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		175
167	try expect(ilogbX(f128, math.inf(f128)) == maxInt(i32));	176	try expect(ilogbX(f128, math.inf(f128)) == maxInt(i32));
168	try expect(ilogbX(f128, -math.inf(f128)) == maxInt(i32));	177	try expect(ilogbX(f128, -math.inf(f128)) == maxInt(i32));
169	try expect(ilogbX(f128, 0.0) == minInt(i32));	178	try expect(ilogbX(f128, 0.0) == minInt(i32));

...	@@ -5,6 +5,7 @@ const mem = std.mem;	...	@@ -5,6 +5,7 @@ const mem = std.mem;
5	const testing = std.testing;	5	const testing = std.testing;
6		6
7	test "parse and render IPv6 addresses" {	7	test "parse and render IPv6 addresses" {
		8	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
8	if (builtin.os.tag == .wasi) return error.SkipZigTest;	9	if (builtin.os.tag == .wasi) return error.SkipZigTest;
9		10
10	var buffer: [100]u8 = undefined;	11	var buffer: [100]u8 = undefined;
...	@@ -70,6 +71,7 @@ test "invalid but parseable IPv6 scope ids" {	...	@@ -70,6 +71,7 @@ test "invalid but parseable IPv6 scope ids" {
70	}	71	}
71		72
72	test "parse and render IPv4 addresses" {	73	test "parse and render IPv4 addresses" {
		74	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
73	if (builtin.os.tag == .wasi) return error.SkipZigTest;	75	if (builtin.os.tag == .wasi) return error.SkipZigTest;
74		76
75	var buffer: [18]u8 = undefined;	77	var buffer: [18]u8 = undefined;
...	@@ -109,6 +111,8 @@ test "parse and render UNIX addresses" {	...	@@ -109,6 +111,8 @@ test "parse and render UNIX addresses" {
109	test "resolve DNS" {	111	test "resolve DNS" {
110	if (builtin.os.tag == .wasi) return error.SkipZigTest;	112	if (builtin.os.tag == .wasi) return error.SkipZigTest;
111		113
		114	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		115
112	if (builtin.os.tag == .windows) {	116	if (builtin.os.tag == .windows) {
113	_ = try std.os.windows.WSAStartup(2, 2);	117	_ = try std.os.windows.WSAStartup(2, 2);
114	}	118	}
...	@@ -291,6 +295,8 @@ test "listen on a unix socket, send bytes, receive bytes" {	...	@@ -291,6 +295,8 @@ test "listen on a unix socket, send bytes, receive bytes" {
291	if (builtin.single_threaded) return error.SkipZigTest;	295	if (builtin.single_threaded) return error.SkipZigTest;
292	if (!net.has_unix_sockets) return error.SkipZigTest;	296	if (!net.has_unix_sockets) return error.SkipZigTest;
293		297
		298	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		299
294	if (builtin.os.tag == .windows) {	300	if (builtin.os.tag == .windows) {
295	_ = try std.os.windows.WSAStartup(2, 2);	301	_ = try std.os.windows.WSAStartup(2, 2);
296	}	302	}

...	@@ -1741,6 +1741,8 @@ test "readv" {	...	@@ -1741,6 +1741,8 @@ test "readv" {
1741	test "writev/fsync/readv" {	1741	test "writev/fsync/readv" {
1742	if (builtin.os.tag != .linux) return error.SkipZigTest;	1742	if (builtin.os.tag != .linux) return error.SkipZigTest;
1743		1743
		1744	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1745
1744	var ring = IO_Uring.init(4, 0) catch \|err\| switch (err) {	1746	var ring = IO_Uring.init(4, 0) catch \|err\| switch (err) {
1745	error.SystemOutdated => return error.SkipZigTest,	1747	error.SystemOutdated => return error.SkipZigTest,
1746	error.PermissionDenied => return error.SkipZigTest,	1748	error.PermissionDenied => return error.SkipZigTest,
...	@@ -1811,6 +1813,8 @@ test "writev/fsync/readv" {	...	@@ -1811,6 +1813,8 @@ test "writev/fsync/readv" {
1811	test "write/read" {	1813	test "write/read" {
1812	if (builtin.os.tag != .linux) return error.SkipZigTest;	1814	if (builtin.os.tag != .linux) return error.SkipZigTest;
1813		1815
		1816	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1817
1814	var ring = IO_Uring.init(2, 0) catch \|err\| switch (err) {	1818	var ring = IO_Uring.init(2, 0) catch \|err\| switch (err) {
1815	error.SystemOutdated => return error.SkipZigTest,	1819	error.SystemOutdated => return error.SkipZigTest,
1816	error.PermissionDenied => return error.SkipZigTest,	1820	error.PermissionDenied => return error.SkipZigTest,
...	@@ -1858,6 +1862,8 @@ test "write/read" {	...	@@ -1858,6 +1862,8 @@ test "write/read" {
1858	test "splice/read" {	1862	test "splice/read" {
1859	if (builtin.os.tag != .linux) return error.SkipZigTest;	1863	if (builtin.os.tag != .linux) return error.SkipZigTest;
1860		1864
		1865	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1866
1861	var ring = IO_Uring.init(4, 0) catch \|err\| switch (err) {	1867	var ring = IO_Uring.init(4, 0) catch \|err\| switch (err) {
1862	error.SystemOutdated => return error.SkipZigTest,	1868	error.SystemOutdated => return error.SkipZigTest,
1863	error.PermissionDenied => return error.SkipZigTest,	1869	error.PermissionDenied => return error.SkipZigTest,
...	@@ -1929,6 +1935,8 @@ test "splice/read" {	...	@@ -1929,6 +1935,8 @@ test "splice/read" {
1929	test "write_fixed/read_fixed" {	1935	test "write_fixed/read_fixed" {
1930	if (builtin.os.tag != .linux) return error.SkipZigTest;	1936	if (builtin.os.tag != .linux) return error.SkipZigTest;
1931		1937
		1938	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		1939
1932	var ring = IO_Uring.init(2, 0) catch \|err\| switch (err) {	1940	var ring = IO_Uring.init(2, 0) catch \|err\| switch (err) {
1933	error.SystemOutdated => return error.SkipZigTest,	1941	error.SystemOutdated => return error.SkipZigTest,
1934	error.PermissionDenied => return error.SkipZigTest,	1942	error.PermissionDenied => return error.SkipZigTest,
...	@@ -1994,6 +2002,8 @@ test "write_fixed/read_fixed" {	...	@@ -1994,6 +2002,8 @@ test "write_fixed/read_fixed" {
1994	test "openat" {	2002	test "openat" {
1995	if (builtin.os.tag != .linux) return error.SkipZigTest;	2003	if (builtin.os.tag != .linux) return error.SkipZigTest;
1996		2004
		2005	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2006
1997	var ring = IO_Uring.init(1, 0) catch \|err\| switch (err) {	2007	var ring = IO_Uring.init(1, 0) catch \|err\| switch (err) {
1998	error.SystemOutdated => return error.SkipZigTest,	2008	error.SystemOutdated => return error.SkipZigTest,
1999	error.PermissionDenied => return error.SkipZigTest,	2009	error.PermissionDenied => return error.SkipZigTest,
...	@@ -2045,6 +2055,8 @@ test "openat" {	...	@@ -2045,6 +2055,8 @@ test "openat" {
2045	test "close" {	2055	test "close" {
2046	if (builtin.os.tag != .linux) return error.SkipZigTest;	2056	if (builtin.os.tag != .linux) return error.SkipZigTest;
2047		2057
		2058	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2059
2048	var ring = IO_Uring.init(1, 0) catch \|err\| switch (err) {	2060	var ring = IO_Uring.init(1, 0) catch \|err\| switch (err) {
2049	error.SystemOutdated => return error.SkipZigTest,	2061	error.SystemOutdated => return error.SkipZigTest,
2050	error.PermissionDenied => return error.SkipZigTest,	2062	error.PermissionDenied => return error.SkipZigTest,
...	@@ -2204,6 +2216,8 @@ test "sendmsg/recvmsg" {	...	@@ -2204,6 +2216,8 @@ test "sendmsg/recvmsg" {
2204	test "timeout (after a relative time)" {	2216	test "timeout (after a relative time)" {
2205	if (builtin.os.tag != .linux) return error.SkipZigTest;	2217	if (builtin.os.tag != .linux) return error.SkipZigTest;
2206		2218
		2219	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2220
2207	var ring = IO_Uring.init(1, 0) catch \|err\| switch (err) {	2221	var ring = IO_Uring.init(1, 0) catch \|err\| switch (err) {
2208	error.SystemOutdated => return error.SkipZigTest,	2222	error.SystemOutdated => return error.SkipZigTest,
2209	error.PermissionDenied => return error.SkipZigTest,	2223	error.PermissionDenied => return error.SkipZigTest,
...	@@ -2268,6 +2282,8 @@ test "timeout (after a number of completions)" {	...	@@ -2268,6 +2282,8 @@ test "timeout (after a number of completions)" {
2268	test "timeout_remove" {	2282	test "timeout_remove" {
2269	if (builtin.os.tag != .linux) return error.SkipZigTest;	2283	if (builtin.os.tag != .linux) return error.SkipZigTest;
2270		2284
		2285	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2286
2271	var ring = IO_Uring.init(2, 0) catch \|err\| switch (err) {	2287	var ring = IO_Uring.init(2, 0) catch \|err\| switch (err) {
2272	error.SystemOutdated => return error.SkipZigTest,	2288	error.SystemOutdated => return error.SkipZigTest,
2273	error.PermissionDenied => return error.SkipZigTest,	2289	error.PermissionDenied => return error.SkipZigTest,
...	@@ -2376,6 +2392,8 @@ test "accept/connect/recv/link_timeout" {	...	@@ -2376,6 +2392,8 @@ test "accept/connect/recv/link_timeout" {
2376	test "fallocate" {	2392	test "fallocate" {
2377	if (builtin.os.tag != .linux) return error.SkipZigTest;	2393	if (builtin.os.tag != .linux) return error.SkipZigTest;
2378		2394
		2395	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2396
2379	var ring = IO_Uring.init(1, 0) catch \|err\| switch (err) {	2397	var ring = IO_Uring.init(1, 0) catch \|err\| switch (err) {
2380	error.SystemOutdated => return error.SkipZigTest,	2398	error.SystemOutdated => return error.SkipZigTest,
2381	error.PermissionDenied => return error.SkipZigTest,	2399	error.PermissionDenied => return error.SkipZigTest,
...	@@ -2422,6 +2440,8 @@ test "fallocate" {	...	@@ -2422,6 +2440,8 @@ test "fallocate" {
2422	test "statx" {	2440	test "statx" {
2423	if (builtin.os.tag != .linux) return error.SkipZigTest;	2441	if (builtin.os.tag != .linux) return error.SkipZigTest;
2424		2442
		2443	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2444
2425	var ring = IO_Uring.init(1, 0) catch \|err\| switch (err) {	2445	var ring = IO_Uring.init(1, 0) catch \|err\| switch (err) {
2426	error.SystemOutdated => return error.SkipZigTest,	2446	error.SystemOutdated => return error.SkipZigTest,
2427	error.PermissionDenied => return error.SkipZigTest,	2447	error.PermissionDenied => return error.SkipZigTest,
...	@@ -2678,6 +2698,8 @@ test "shutdown" {	...	@@ -2678,6 +2698,8 @@ test "shutdown" {
2678	test "renameat" {	2698	test "renameat" {
2679	if (builtin.os.tag != .linux) return error.SkipZigTest;	2699	if (builtin.os.tag != .linux) return error.SkipZigTest;
2680		2700
		2701	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2702
2681	var ring = IO_Uring.init(1, 0) catch \|err\| switch (err) {	2703	var ring = IO_Uring.init(1, 0) catch \|err\| switch (err) {
2682	error.SystemOutdated => return error.SkipZigTest,	2704	error.SystemOutdated => return error.SkipZigTest,
2683	error.PermissionDenied => return error.SkipZigTest,	2705	error.PermissionDenied => return error.SkipZigTest,
...	@@ -2747,6 +2769,8 @@ test "renameat" {	...	@@ -2747,6 +2769,8 @@ test "renameat" {
2747	test "unlinkat" {	2769	test "unlinkat" {
2748	if (builtin.os.tag != .linux) return error.SkipZigTest;	2770	if (builtin.os.tag != .linux) return error.SkipZigTest;
2749		2771
		2772	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2773
2750	var ring = IO_Uring.init(1, 0) catch \|err\| switch (err) {	2774	var ring = IO_Uring.init(1, 0) catch \|err\| switch (err) {
2751	error.SystemOutdated => return error.SkipZigTest,	2775	error.SystemOutdated => return error.SkipZigTest,
2752	error.PermissionDenied => return error.SkipZigTest,	2776	error.PermissionDenied => return error.SkipZigTest,
...	@@ -2799,6 +2823,8 @@ test "unlinkat" {	...	@@ -2799,6 +2823,8 @@ test "unlinkat" {
2799	test "mkdirat" {	2823	test "mkdirat" {
2800	if (builtin.os.tag != .linux) return error.SkipZigTest;	2824	if (builtin.os.tag != .linux) return error.SkipZigTest;
2801		2825
		2826	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2827
2802	var ring = IO_Uring.init(1, 0) catch \|err\| switch (err) {	2828	var ring = IO_Uring.init(1, 0) catch \|err\| switch (err) {
2803	error.SystemOutdated => return error.SkipZigTest,	2829	error.SystemOutdated => return error.SkipZigTest,
2804	error.PermissionDenied => return error.SkipZigTest,	2830	error.PermissionDenied => return error.SkipZigTest,
...	@@ -2843,6 +2869,8 @@ test "mkdirat" {	...	@@ -2843,6 +2869,8 @@ test "mkdirat" {
2843	test "symlinkat" {	2869	test "symlinkat" {
2844	if (builtin.os.tag != .linux) return error.SkipZigTest;	2870	if (builtin.os.tag != .linux) return error.SkipZigTest;
2845		2871
		2872	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2873
2846	var ring = IO_Uring.init(1, 0) catch \|err\| switch (err) {	2874	var ring = IO_Uring.init(1, 0) catch \|err\| switch (err) {
2847	error.SystemOutdated => return error.SkipZigTest,	2875	error.SystemOutdated => return error.SkipZigTest,
2848	error.PermissionDenied => return error.SkipZigTest,	2876	error.PermissionDenied => return error.SkipZigTest,
...	@@ -2891,6 +2919,8 @@ test "symlinkat" {	...	@@ -2891,6 +2919,8 @@ test "symlinkat" {
2891	test "linkat" {	2919	test "linkat" {
2892	if (builtin.os.tag != .linux) return error.SkipZigTest;	2920	if (builtin.os.tag != .linux) return error.SkipZigTest;
2893		2921
		2922	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
		2923
2894	var ring = IO_Uring.init(1, 0) catch \|err\| switch (err) {	2924	var ring = IO_Uring.init(1, 0) catch \|err\| switch (err) {
2895	error.SystemOutdated => return error.SkipZigTest,	2925	error.SystemOutdated => return error.SkipZigTest,
2896	error.PermissionDenied => return error.SkipZigTest,	2926	error.PermissionDenied => return error.SkipZigTest,

...	@@ -266,6 +266,8 @@ pub const table = [_]Entry{	...	@@ -266,6 +266,8 @@ pub const table = [_]Entry{
266	.{ .cmpxchg8b, .m, &.{ .m64 }, &.{ 0x0f, 0xc7 }, 1, .none, .none },	266	.{ .cmpxchg8b, .m, &.{ .m64 }, &.{ 0x0f, 0xc7 }, 1, .none, .none },
267	.{ .cmpxchg16b, .m, &.{ .m128 }, &.{ 0x0f, 0xc7 }, 1, .long, .none },	267	.{ .cmpxchg16b, .m, &.{ .m128 }, &.{ 0x0f, 0xc7 }, 1, .long, .none },
268		268
		269	.{ .cpuid, .np, &.{}, &.{ 0x0f, 0xa2 }, 0, .none, .none },
		270
269	.{ .div, .m, &.{ .rm8 }, &.{ 0xf6 }, 6, .none, .none },	271	.{ .div, .m, &.{ .rm8 }, &.{ 0xf6 }, 6, .none, .none },
270	.{ .div, .m, &.{ .rm8 }, &.{ 0xf6 }, 6, .rex, .none },	272	.{ .div, .m, &.{ .rm8 }, &.{ 0xf6 }, 6, .rex, .none },
271	.{ .div, .m, &.{ .rm16 }, &.{ 0xf7 }, 6, .short, .none },	273	.{ .div, .m, &.{ .rm16 }, &.{ 0xf7 }, 6, .short, .none },
...	@@ -469,6 +471,8 @@ pub const table = [_]Entry{	...	@@ -469,6 +471,8 @@ pub const table = [_]Entry{
469	.{ .@"or", .rm, &.{ .r32, .rm32 }, &.{ 0x0b }, 0, .none, .none },	471	.{ .@"or", .rm, &.{ .r32, .rm32 }, &.{ 0x0b }, 0, .none, .none },
470	.{ .@"or", .rm, &.{ .r64, .rm64 }, &.{ 0x0b }, 0, .long, .none },	472	.{ .@"or", .rm, &.{ .r64, .rm64 }, &.{ 0x0b }, 0, .long, .none },
471		473
		474	.{ .pause, .np, &.{}, &.{ 0xf3, 0x90 }, 0, .none, .none },
		475
472	.{ .pop, .o, &.{ .r16 }, &.{ 0x58 }, 0, .short, .none },	476	.{ .pop, .o, &.{ .r16 }, &.{ 0x58 }, 0, .short, .none },
473	.{ .pop, .o, &.{ .r64 }, &.{ 0x58 }, 0, .none, .none },	477	.{ .pop, .o, &.{ .r64 }, &.{ 0x58 }, 0, .none, .none },
474	.{ .pop, .m, &.{ .rm16 }, &.{ 0x8f }, 0, .short, .none },	478	.{ .pop, .m, &.{ .rm16 }, &.{ 0x8f }, 0, .short, .none },
...	@@ -805,6 +809,8 @@ pub const table = [_]Entry{	...	@@ -805,6 +809,8 @@ pub const table = [_]Entry{
805	.{ .xchg, .rm, &.{ .r32, .rm32 }, &.{ 0x87 }, 0, .none, .none },	809	.{ .xchg, .rm, &.{ .r32, .rm32 }, &.{ 0x87 }, 0, .none, .none },
806	.{ .xchg, .rm, &.{ .r64, .rm64 }, &.{ 0x87 }, 0, .long, .none },	810	.{ .xchg, .rm, &.{ .r64, .rm64 }, &.{ 0x87 }, 0, .long, .none },
807		811
		812	.{ .xgetbv, .np, &.{}, &.{ 0x0f, 0x01 }, 0, .none, .none },
		813
808	.{ .xor, .zi, &.{ .al, .imm8 }, &.{ 0x34 }, 0, .none, .none },	814	.{ .xor, .zi, &.{ .al, .imm8 }, &.{ 0x34 }, 0, .none, .none },
809	.{ .xor, .zi, &.{ .ax, .imm16 }, &.{ 0x35 }, 0, .short, .none },	815	.{ .xor, .zi, &.{ .ax, .imm16 }, &.{ 0x35 }, 0, .short, .none },
810	.{ .xor, .zi, &.{ .eax, .imm32 }, &.{ 0x35 }, 0, .none, .none },	816	.{ .xor, .zi, &.{ .eax, .imm32 }, &.{ 0x35 }, 0, .none, .none },

...	@@ -1606,8 +1606,8 @@ test "peer type resolution: const sentinel slice and mutable non-sentinel slice"	...	@@ -1606,8 +1606,8 @@ test "peer type resolution: const sentinel slice and mutable non-sentinel slice"
1606	test "peer type resolution: float and comptime-known fixed-width integer" {	1606	test "peer type resolution: float and comptime-known fixed-width integer" {
1607	if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO	1607	if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
1608	if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO	1608	if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
1609	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
1610	if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO	1609	if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
		1610	if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf) return error.SkipZigTest;
1611		1611
1612	const i: u8 = 100;	1612	const i: u8 = 100;
1613	var f: f32 = 1.234;	1613	var f: f32 = 1.234;
...	@@ -2372,7 +2372,7 @@ test "@intFromBool on vector" {	...	@@ -2372,7 +2372,7 @@ test "@intFromBool on vector" {
2372	}	2372	}
2373		2373
2374	test "numeric coercions with undefined" {	2374	test "numeric coercions with undefined" {
2375	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;	2375	if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf) return error.SkipZigTest;
2376		2376
2377	const from: i32 = undefined;	2377	const from: i32 = undefined;
2378	var to: f32 = from;	2378	var to: f32 = from;
...	@@ -2383,7 +2383,6 @@ test "numeric coercions with undefined" {	...	@@ -2383,7 +2383,6 @@ test "numeric coercions with undefined" {
2383		2383
2384	test "15-bit int to float" {	2384	test "15-bit int to float" {
2385	if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest;	2385	if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest;
2386	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
2387		2386
2388	var a: u15 = 42;	2387	var a: u15 = 42;
2389	var b: f32 = @floatFromInt(a);	2388	var b: f32 = @floatFromInt(a);
...	@@ -2391,11 +2390,11 @@ test "15-bit int to float" {	...	@@ -2391,11 +2390,11 @@ test "15-bit int to float" {
2391	}	2390	}
2392		2391
2393	test "@as does not corrupt values with incompatible representations" {	2392	test "@as does not corrupt values with incompatible representations" {
2394	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
2395	if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO	2393	if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
2396	if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO	2394	if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
2397	if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO	2395	if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
2398	if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;	2396	if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
		2397	if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf) return error.SkipZigTest;
2399		2398
2400	const x: f32 = @as(f16, blk: {	2399	const x: f32 = @as(f16, blk: {
2401	if (false) {	2400	if (false) {

Revert "Revert "Merge pull request #17637 from jacobly0/x86_64-test-std""