authorgravatar for git@vexu.euVeikka Tuominen <git@vexu.eu> 2022-03-19 15:13:27+02:00
committergravatar for git@vexu.euVeikka Tuominen <git@vexu.eu> 2022-03-19 15:49:27+02:00
log12f3c461a4429d9c7a0ddbaa6465bf0499a99b8c
treefbe7dffade76aed2f015c1a9029abe76bf25e590
parentc9b6f1bf907a0083f1fb0eba2f6969fd8f7f3b64

Sema: implement zirSwitchCaptureElse for error sets

9 files changed, 82 insertions(+), 44 deletions(-)

lib/std/builtin.zig+1-3
...@@ -753,9 +753,7 @@ pub fn default_panic(msg: []const u8, error_return_trace: ?*StackTrace) noreturn...@@ -753,9 +753,7 @@ pub fn default_panic(msg: []const u8, error_return_trace: ?*StackTrace) noreturn
753 @setCold(true);753 @setCold(true);
754 // Until self-hosted catches up with stage1 language features, we have a simpler754 // Until self-hosted catches up with stage1 language features, we have a simpler
755 // default panic function:755 // default panic function:
756 const panic_works = builtin.zig_backend == .stage1 or756 if (builtin.zig_backend != .stage1 and builtin.zig_backend != .stage2_llvm) {
757 (builtin.zig_backend == .stage2_llvm and builtin.os.tag == .linux);
758 if (!panic_works) {
759 while (true) {757 while (true) {
760 @breakpoint();758 @breakpoint();
761 }759 }
lib/std/c/darwin.zig+10-6
...@@ -624,8 +624,7 @@ pub const pthread_attr_t = extern struct {...@@ -624,8 +624,7 @@ pub const pthread_attr_t = extern struct {
624 __opaque: [56]u8,624 __opaque: [56]u8,
625};625};
626626
627const pthread_t = std.c.pthread_t;627pub extern "c" fn pthread_threadid_np(thread: ?std.c.pthread_t, thread_id: *u64) c_int;
628pub extern "c" fn pthread_threadid_np(thread: ?pthread_t, thread_id: *u64) c_int;
629pub extern "c" fn pthread_setname_np(name: [*:0]const u8) E;628pub extern "c" fn pthread_setname_np(name: [*:0]const u8) E;
630pub extern "c" fn pthread_getname_np(thread: std.c.pthread_t, name: [*:0]u8, len: usize) E;629pub extern "c" fn pthread_getname_np(thread: std.c.pthread_t, name: [*:0]u8, len: usize) E;
631630
...@@ -921,12 +920,17 @@ pub const siginfo_t = extern struct {...@@ -921,12 +920,17 @@ pub const siginfo_t = extern struct {
921920
922/// Renamed from `sigaction` to `Sigaction` to avoid conflict with function name.921/// Renamed from `sigaction` to `Sigaction` to avoid conflict with function name.
923pub const Sigaction = extern struct {922pub const Sigaction = extern struct {
924 pub const handler_fn = fn (c_int) callconv(.C) void;923 pub usingnamespace if (builtin.zig_backend == .stage1) struct {
925 pub const sigaction_fn = fn (c_int, *const siginfo_t, ?*const anyopaque) callconv(.C) void;924 pub const handler_fn = fn (c_int) callconv(.C) void;
925 pub const sigaction_fn = fn (c_int, *const siginfo_t, ?*const anyopaque) callconv(.C) void;
926 } else struct {
927 pub const handler_fn = *const fn (c_int) callconv(.C) void;
928 pub const sigaction_fn = *const fn (c_int, *const siginfo_t, ?*const anyopaque) callconv(.C) void;
929 };
926930
927 handler: extern union {931 handler: extern union {
928 handler: ?handler_fn,932 handler: ?Sigaction.handler_fn,
929 sigaction: ?sigaction_fn,933 sigaction: ?Sigaction.sigaction_fn,
930 },934 },
931 mask: sigset_t,935 mask: sigset_t,
932 flags: c_uint,936 flags: c_uint,
lib/std/heap/general_purpose_allocator.zig+6-18
...@@ -341,15 +341,9 @@ pub fn GeneralPurposeAllocator(comptime config: Config) type {...@@ -341,15 +341,9 @@ pub fn GeneralPurposeAllocator(comptime config: Config) type {
341 const slot_index = @intCast(SlotIndex, used_bits_byte * 8 + bit_index);341 const slot_index = @intCast(SlotIndex, used_bits_byte * 8 + bit_index);
342 const stack_trace = bucketStackTrace(bucket, size_class, slot_index, .alloc);342 const stack_trace = bucketStackTrace(bucket, size_class, slot_index, .alloc);
343 const addr = bucket.page + slot_index * size_class;343 const addr = bucket.page + slot_index * size_class;
344 if (builtin.zig_backend == .stage1 or builtin.os.tag == .linux) {344 log.err("memory address 0x{x} leaked: {s}", .{
345 log.err("memory address 0x{x} leaked: {s}", .{345 @ptrToInt(addr), stack_trace,
346 @ptrToInt(addr), stack_trace,346 });
347 });
348 } else { // TODO
349 log.err("memory address 0x{x} leaked", .{
350 @ptrToInt(addr),
351 });
352 }
353 leaks = true;347 leaks = true;
354 }348 }
355 if (bit_index == math.maxInt(u3))349 if (bit_index == math.maxInt(u3))
...@@ -379,15 +373,9 @@ pub fn GeneralPurposeAllocator(comptime config: Config) type {...@@ -379,15 +373,9 @@ pub fn GeneralPurposeAllocator(comptime config: Config) type {
379 while (it.next()) |large_alloc| {373 while (it.next()) |large_alloc| {
380 if (config.retain_metadata and large_alloc.freed) continue;374 if (config.retain_metadata and large_alloc.freed) continue;
381 const stack_trace = large_alloc.getStackTrace(.alloc);375 const stack_trace = large_alloc.getStackTrace(.alloc);
382 if (builtin.zig_backend == .stage1 or builtin.os.tag == .linux) {376 log.err("memory address 0x{x} leaked: {s}", .{
383 log.err("memory address 0x{x} leaked: {s}", .{377 @ptrToInt(large_alloc.bytes.ptr), stack_trace,
384 @ptrToInt(large_alloc.bytes.ptr), stack_trace,378 });
385 });
386 } else { // TODO
387 log.err("memory address 0x{x} leaked", .{
388 @ptrToInt(large_alloc.bytes.ptr),
389 });
390 }
391 leaks = true;379 leaks = true;
392 }380 }
393 return leaks;381 return leaks;
lib/std/macho.zig+3-1
...@@ -624,7 +624,9 @@ pub const segment_command_64 = extern struct {...@@ -624,7 +624,9 @@ pub const segment_command_64 = extern struct {
624 cmd: LC = .SEGMENT_64,624 cmd: LC = .SEGMENT_64,
625625
626 /// includes sizeof section_64 structs626 /// includes sizeof section_64 structs
627 cmdsize: u32 = @sizeOf(segment_command_64),627 cmdsize: u32,
628 // TODO lazy values in stage2
629 // cmdsize: u32 = @sizeOf(segment_command_64),
628630
629 /// segment name631 /// segment name
630 segname: [16]u8,632 segname: [16]u8,
src/Sema.zig+25-9
...@@ -131,6 +131,9 @@ pub const Block = struct {...@@ -131,6 +131,9 @@ pub const Block = struct {
131131
132 c_import_buf: ?*std.ArrayList(u8) = null,132 c_import_buf: ?*std.ArrayList(u8) = null,
133133
134 /// type of `err` in `else => |err|`
135 switch_else_err_ty: ?Type = null,
136
134 const Param = struct {137 const Param = struct {
135 /// `noreturn` means `anytype`.138 /// `noreturn` means `anytype`.
136 ty: Type,139 ty: Type,
...@@ -189,6 +192,7 @@ pub const Block = struct {...@@ -189,6 +192,7 @@ pub const Block = struct {
189 .runtime_index = parent.runtime_index,192 .runtime_index = parent.runtime_index,
190 .want_safety = parent.want_safety,193 .want_safety = parent.want_safety,
191 .c_import_buf = parent.c_import_buf,194 .c_import_buf = parent.c_import_buf,
195 .switch_else_err_ty = parent.switch_else_err_ty,
192 };196 };
193 }197 }
194198
...@@ -6714,12 +6718,6 @@ fn zirSwitchCapture(...@@ -6714,12 +6718,6 @@ fn zirSwitchCapture(
67146718
6715 if (capture_info.prong_index == std.math.maxInt(@TypeOf(capture_info.prong_index))) {6719 if (capture_info.prong_index == std.math.maxInt(@TypeOf(capture_info.prong_index))) {
6716 // It is the else/`_` prong.6720 // It is the else/`_` prong.
6717 switch (operand_ty.zigTypeTag()) {
6718 .ErrorSet => {
6719 return sema.fail(block, operand_src, "TODO implement Sema for zirSwitchCaptureElse for error sets", .{});
6720 },
6721 else => {},
6722 }
6723 if (is_ref) {6721 if (is_ref) {
6724 assert(operand_is_ref);6722 assert(operand_is_ref);
6725 return operand_ptr;6723 return operand_ptr;
...@@ -6730,7 +6728,10 @@ fn zirSwitchCapture(...@@ -6730,7 +6728,10 @@ fn zirSwitchCapture(
6730 else6728 else
6731 operand_ptr;6729 operand_ptr;
67326730
6733 return operand;6731 switch (operand_ty.zigTypeTag()) {
6732 .ErrorSet => return sema.bitCast(block, block.switch_else_err_ty.?, operand, operand_src),
6733 else => return operand,
6734 }
6734 }6735 }
67356736
6736 if (is_multi) {6737 if (is_multi) {
...@@ -6907,6 +6908,8 @@ fn zirSwitchBlock(sema: *Sema, block: *Block, inst: Zir.Inst.Index) CompileError...@@ -6907,6 +6908,8 @@ fn zirSwitchBlock(sema: *Sema, block: *Block, inst: Zir.Inst.Index) CompileError
69076908
6908 const operand_ty = sema.typeOf(operand);6909 const operand_ty = sema.typeOf(operand);
69096910
6911 var else_error_ty: ?Type = null;
6912
6910 // Validate usage of '_' prongs.6913 // Validate usage of '_' prongs.
6911 if (special_prong == .under and !operand_ty.isNonexhaustiveEnum()) {6914 if (special_prong == .under and !operand_ty.isNonexhaustiveEnum()) {
6912 const msg = msg: {6915 const msg = msg: {
...@@ -7099,6 +7102,7 @@ fn zirSwitchBlock(sema: *Sema, block: *Block, inst: Zir.Inst.Index) CompileError...@@ -7099,6 +7102,7 @@ fn zirSwitchBlock(sema: *Sema, block: *Block, inst: Zir.Inst.Index) CompileError
7099 .{},7102 .{},
7100 );7103 );
7101 }7104 }
7105 else_error_ty = Type.@"anyerror";
7102 } else {7106 } else {
7103 var maybe_msg: ?*Module.ErrorMsg = null;7107 var maybe_msg: ?*Module.ErrorMsg = null;
7104 errdefer if (maybe_msg) |msg| msg.destroy(sema.gpa);7108 errdefer if (maybe_msg) |msg| msg.destroy(sema.gpa);
...@@ -7143,6 +7147,17 @@ fn zirSwitchBlock(sema: *Sema, block: *Block, inst: Zir.Inst.Index) CompileError...@@ -7143,6 +7147,17 @@ fn zirSwitchBlock(sema: *Sema, block: *Block, inst: Zir.Inst.Index) CompileError
7143 .{},7147 .{},
7144 );7148 );
7145 }7149 }
7150
7151 const error_names = operand_ty.errorSetNames();
7152 var names: Module.ErrorSet.NameMap = .{};
7153 try names.ensureUnusedCapacity(sema.arena, error_names.len);
7154 for (error_names) |error_name| {
7155 if (seen_errors.contains(error_name)) continue;
7156
7157 names.putAssumeCapacityNoClobber(error_name, {});
7158 }
7159
7160 else_error_ty = try Type.Tag.error_set_merged.create(sema.arena, names);
7146 }7161 }
7147 },7162 },
7148 .Union => return sema.fail(block, src, "TODO validate switch .Union", .{}),7163 .Union => return sema.fail(block, src, "TODO validate switch .Union", .{}),
...@@ -7420,6 +7435,7 @@ fn zirSwitchBlock(sema: *Sema, block: *Block, inst: Zir.Inst.Index) CompileError...@@ -7420,6 +7435,7 @@ fn zirSwitchBlock(sema: *Sema, block: *Block, inst: Zir.Inst.Index) CompileError
7420 .label = &label,7435 .label = &label,
7421 .inlining = block.inlining,7436 .inlining = block.inlining,
7422 .is_comptime = block.is_comptime,7437 .is_comptime = block.is_comptime,
7438 .switch_else_err_ty = else_error_ty,
7423 };7439 };
7424 const merges = &child_block.label.?.merges;7440 const merges = &child_block.label.?.merges;
7425 defer child_block.instructions.deinit(gpa);7441 defer child_block.instructions.deinit(gpa);
...@@ -18523,8 +18539,8 @@ pub fn bitCastVal(...@@ -18523,8 +18539,8 @@ pub fn bitCastVal(
18523 const abi_size = try sema.usizeCast(block, src, old_ty.abiSize(target));18539 const abi_size = try sema.usizeCast(block, src, old_ty.abiSize(target));
18524 const buffer = try sema.gpa.alloc(u8, abi_size);18540 const buffer = try sema.gpa.alloc(u8, abi_size);
18525 defer sema.gpa.free(buffer);18541 defer sema.gpa.free(buffer);
18526 val.writeToMemory(old_ty, target, buffer);18542 val.writeToMemory(old_ty, sema.mod, buffer);
18527 return Value.readFromMemory(new_ty, target, buffer[buffer_offset..], sema.arena);18543 return Value.readFromMemory(new_ty, sema.mod, buffer[buffer_offset..], sema.arena);
18528}18544}
1852918545
18530fn coerceArrayPtrToSlice(18546fn coerceArrayPtrToSlice(
src/link/MachO.zig+5
...@@ -4301,6 +4301,7 @@ fn populateMissingMetadata(self: *MachO) !void {...@@ -4301,6 +4301,7 @@ fn populateMissingMetadata(self: *MachO) !void {
4301 .inner = .{4301 .inner = .{
4302 .segname = makeStaticString("__PAGEZERO"),4302 .segname = makeStaticString("__PAGEZERO"),
4303 .vmsize = pagezero_vmsize,4303 .vmsize = pagezero_vmsize,
4304 .cmdsize = @sizeOf(macho.segment_command_64),
4304 },4305 },
4305 },4306 },
4306 });4307 });
...@@ -4326,6 +4327,7 @@ fn populateMissingMetadata(self: *MachO) !void {...@@ -4326,6 +4327,7 @@ fn populateMissingMetadata(self: *MachO) !void {
4326 .filesize = needed_size,4327 .filesize = needed_size,
4327 .maxprot = macho.PROT.READ | macho.PROT.EXEC,4328 .maxprot = macho.PROT.READ | macho.PROT.EXEC,
4328 .initprot = macho.PROT.READ | macho.PROT.EXEC,4329 .initprot = macho.PROT.READ | macho.PROT.EXEC,
4330 .cmdsize = @sizeOf(macho.segment_command_64),
4329 },4331 },
4330 },4332 },
4331 });4333 });
...@@ -4431,6 +4433,7 @@ fn populateMissingMetadata(self: *MachO) !void {...@@ -4431,6 +4433,7 @@ fn populateMissingMetadata(self: *MachO) !void {
4431 .filesize = needed_size,4433 .filesize = needed_size,
4432 .maxprot = macho.PROT.READ | macho.PROT.WRITE,4434 .maxprot = macho.PROT.READ | macho.PROT.WRITE,
4433 .initprot = macho.PROT.READ | macho.PROT.WRITE,4435 .initprot = macho.PROT.READ | macho.PROT.WRITE,
4436 .cmdsize = @sizeOf(macho.segment_command_64),
4434 },4437 },
4435 },4438 },
4436 });4439 });
...@@ -4480,6 +4483,7 @@ fn populateMissingMetadata(self: *MachO) !void {...@@ -4480,6 +4483,7 @@ fn populateMissingMetadata(self: *MachO) !void {
4480 .filesize = needed_size,4483 .filesize = needed_size,
4481 .maxprot = macho.PROT.READ | macho.PROT.WRITE,4484 .maxprot = macho.PROT.READ | macho.PROT.WRITE,
4482 .initprot = macho.PROT.READ | macho.PROT.WRITE,4485 .initprot = macho.PROT.READ | macho.PROT.WRITE,
4486 .cmdsize = @sizeOf(macho.segment_command_64),
4483 },4487 },
4484 },4488 },
4485 });4489 });
...@@ -4589,6 +4593,7 @@ fn populateMissingMetadata(self: *MachO) !void {...@@ -4589,6 +4593,7 @@ fn populateMissingMetadata(self: *MachO) !void {
4589 .fileoff = fileoff,4593 .fileoff = fileoff,
4590 .maxprot = macho.PROT.READ,4594 .maxprot = macho.PROT.READ,
4591 .initprot = macho.PROT.READ,4595 .initprot = macho.PROT.READ,
4596 .cmdsize = @sizeOf(macho.segment_command_64),
4592 },4597 },
4593 },4598 },
4594 });4599 });
src/link/MachO/DebugSymbols.zig+1
...@@ -148,6 +148,7 @@ pub fn populateMissingMetadata(self: *DebugSymbols, allocator: Allocator) !void...@@ -148,6 +148,7 @@ pub fn populateMissingMetadata(self: *DebugSymbols, allocator: Allocator) !void
148 .vmsize = needed_size,148 .vmsize = needed_size,
149 .fileoff = fileoff,149 .fileoff = fileoff,
150 .filesize = needed_size,150 .filesize = needed_size,
151 .cmdsize = @sizeOf(macho.segment_command_64),
151 },152 },
152 },153 },
153 });154 });
src/value.zig+26-6
...@@ -1042,7 +1042,8 @@ pub const Value = extern union {...@@ -1042,7 +1042,8 @@ pub const Value = extern union {
1042 };1042 };
1043 }1043 }
10441044
1045 pub fn writeToMemory(val: Value, ty: Type, target: Target, buffer: []u8) void {1045 pub fn writeToMemory(val: Value, ty: Type, mod: *Module, buffer: []u8) void {
1046 const target = mod.getTarget();
1046 if (val.isUndef()) {1047 if (val.isUndef()) {
1047 const size = @intCast(usize, ty.abiSize(target));1048 const size = @intCast(usize, ty.abiSize(target));
1048 std.mem.set(u8, buffer[0..size], 0xaa);1049 std.mem.set(u8, buffer[0..size], 0xaa);
...@@ -1081,7 +1082,7 @@ pub const Value = extern union {...@@ -1081,7 +1082,7 @@ pub const Value = extern union {
1081 var buf_off: usize = 0;1082 var buf_off: usize = 0;
1082 while (elem_i < len) : (elem_i += 1) {1083 while (elem_i < len) : (elem_i += 1) {
1083 const elem_val = val.elemValueBuffer(elem_i, &elem_value_buf);1084 const elem_val = val.elemValueBuffer(elem_i, &elem_value_buf);
1084 writeToMemory(elem_val, elem_ty, target, buffer[buf_off..]);1085 writeToMemory(elem_val, elem_ty, mod, buffer[buf_off..]);
1085 buf_off += elem_size;1086 buf_off += elem_size;
1086 }1087 }
1087 },1088 },
...@@ -1092,7 +1093,7 @@ pub const Value = extern union {...@@ -1092,7 +1093,7 @@ pub const Value = extern union {
1092 const field_vals = val.castTag(.aggregate).?.data;1093 const field_vals = val.castTag(.aggregate).?.data;
1093 for (fields) |field, i| {1094 for (fields) |field, i| {
1094 const off = @intCast(usize, ty.structFieldOffset(i, target));1095 const off = @intCast(usize, ty.structFieldOffset(i, target));
1095 writeToMemory(field_vals[i], field.ty, target, buffer[off..]);1096 writeToMemory(field_vals[i], field.ty, mod, buffer[off..]);
1096 }1097 }
1097 },1098 },
1098 .Packed => {1099 .Packed => {
...@@ -1105,6 +1106,12 @@ pub const Value = extern union {...@@ -1105,6 +1106,12 @@ pub const Value = extern union {
1105 host_int.writeTwosComplement(buffer, bit_size, abi_size, target.cpu.arch.endian());1106 host_int.writeTwosComplement(buffer, bit_size, abi_size, target.cpu.arch.endian());
1106 },1107 },
1107 },1108 },
1109 .ErrorSet => {
1110 // TODO revisit this when we have the concept of the error tag type
1111 const Int = u16;
1112 const int = mod.global_error_set.get(val.castTag(.@"error").?.data.name).?;
1113 std.mem.writeInt(Int, buffer[0..@sizeOf(Int)], @intCast(Int, int), target.cpu.arch.endian());
1114 },
1108 else => @panic("TODO implement writeToMemory for more types"),1115 else => @panic("TODO implement writeToMemory for more types"),
1109 }1116 }
1110 }1117 }
...@@ -1153,10 +1160,11 @@ pub const Value = extern union {...@@ -1153,10 +1160,11 @@ pub const Value = extern union {
11531160
1154 pub fn readFromMemory(1161 pub fn readFromMemory(
1155 ty: Type,1162 ty: Type,
1156 target: Target,1163 mod: *Module,
1157 buffer: []const u8,1164 buffer: []const u8,
1158 arena: Allocator,1165 arena: Allocator,
1159 ) Allocator.Error!Value {1166 ) Allocator.Error!Value {
1167 const target = mod.getTarget();
1160 switch (ty.zigTypeTag()) {1168 switch (ty.zigTypeTag()) {
1161 .Int => {1169 .Int => {
1162 if (buffer.len == 0) return Value.zero;1170 if (buffer.len == 0) return Value.zero;
...@@ -1184,7 +1192,7 @@ pub const Value = extern union {...@@ -1184,7 +1192,7 @@ pub const Value = extern union {
1184 const elems = try arena.alloc(Value, @intCast(usize, ty.arrayLen()));1192 const elems = try arena.alloc(Value, @intCast(usize, ty.arrayLen()));
1185 var offset: usize = 0;1193 var offset: usize = 0;
1186 for (elems) |*elem| {1194 for (elems) |*elem| {
1187 elem.* = try readFromMemory(elem_ty, target, buffer[offset..], arena);1195 elem.* = try readFromMemory(elem_ty, mod, buffer[offset..], arena);
1188 offset += @intCast(usize, elem_size);1196 offset += @intCast(usize, elem_size);
1189 }1197 }
1190 return Tag.aggregate.create(arena, elems);1198 return Tag.aggregate.create(arena, elems);
...@@ -1196,7 +1204,7 @@ pub const Value = extern union {...@@ -1196,7 +1204,7 @@ pub const Value = extern union {
1196 const field_vals = try arena.alloc(Value, fields.len);1204 const field_vals = try arena.alloc(Value, fields.len);
1197 for (fields) |field, i| {1205 for (fields) |field, i| {
1198 const off = @intCast(usize, ty.structFieldOffset(i, target));1206 const off = @intCast(usize, ty.structFieldOffset(i, target));
1199 field_vals[i] = try readFromMemory(field.ty, target, buffer[off..], arena);1207 field_vals[i] = try readFromMemory(field.ty, mod, buffer[off..], arena);
1200 }1208 }
1201 return Tag.aggregate.create(arena, field_vals);1209 return Tag.aggregate.create(arena, field_vals);
1202 },1210 },
...@@ -1212,6 +1220,18 @@ pub const Value = extern union {...@@ -1212,6 +1220,18 @@ pub const Value = extern union {
1212 return intToPackedStruct(ty, target, bigint.toConst(), arena);1220 return intToPackedStruct(ty, target, bigint.toConst(), arena);
1213 },1221 },
1214 },1222 },
1223 .ErrorSet => {
1224 // TODO revisit this when we have the concept of the error tag type
1225 const Int = u16;
1226 const int = std.mem.readInt(Int, buffer[0..@sizeOf(Int)], target.cpu.arch.endian());
1227
1228 const payload = try arena.create(Value.Payload.Error);
1229 payload.* = .{
1230 .base = .{ .tag = .@"error" },
1231 .data = .{ .name = mod.error_name_list.items[@intCast(usize, int)] },
1232 };
1233 return Value.initPayload(&payload.base);
1234 },
1215 else => @panic("TODO implement readFromMemory for more types"),1235 else => @panic("TODO implement readFromMemory for more types"),
1216 }1236 }
1217 }1237 }
test/behavior/switch.zig+5-1
...@@ -430,7 +430,11 @@ test "switch on integer with else capturing expr" {...@@ -430,7 +430,11 @@ test "switch on integer with else capturing expr" {
430}430}
431431
432test "else prong of switch on error set excludes other cases" {432test "else prong of switch on error set excludes other cases" {
433 if (builtin.zig_backend != .stage1) return error.SkipZigTest; // TODO433 if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
434 if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
435 if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
436 if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
437 if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
434438
435 const S = struct {439 const S = struct {
436 fn doTheTest() !void {440 fn doTheTest() !void {