Commit 8e07b0c4b97817b89b0cd59c8e558348cfb5005b | zig

author	Andrew Kelley <andrew@ziglang.org> 2022-07-07 14:01:54-07:00
committer	Andrew Kelley <andrew@ziglang.org> 2022-07-07 14:01:54-07:00
log	8e07b0c4b97817b89b0cd59c8e558348cfb5005b
tree	606d08f1970cc81dda71604e7756295a40d72fd5
parent	e0b92004926103b88efda5c6d57f36f39a42a1f8
parent	0c78ece1c95164f4a321f5705b20896415336d02

Merge remote-tracking branch 'origin/master' into llvm14

95 files changed, 961 insertions(+), 750 deletions(-)

lib
- std
  - log.zig
src
test
- cases
  - compile_errors
    array_access_of_type.zig
    invalid_array_elem_ty.zig
    method_call_with_first_arg_type_primitive.zig
    method_call_with_first_arg_type_wrong_container.zig
    missing_const_in_slice_with_nested_array_type.zig
    mul_overflow_in_function_evaluation.zig
    negation_overflow_in_function_evaluation.zig
    no_else_prong_on_switch_on_global_error_set.zig
    non-const_variables_of_things_that_require_const_variables.zig
    non-inline_for_loop_on_a_type_that_requires_comptime.zig
    non_constant_expression_in_array_size.zig
    non_error_sets_used_in_merge_error_sets_operator.zig
    panic_called_at_compile_time.zig
    range_operator_in_switch_used_on_error_set.zig
    reading_past_end_of_pointer_casted_array.zig
    runtime_index_into_comptime_type_slice.zig
    setAlignStack_in_inline_function.zig
    signed_integer_remainder_division.zig
    sizeOf_bad_type.zig
    slice_cannot_have_its_bytes_reinterpreted.zig
    slice_passed_as_array_init_type.zig
    slice_passed_as_array_init_type_with_elems.zig
    src_fields_runtime.zig
    stage1
    non_compile_time_array_concatenation.zig
    obj
    array_access_of_type.zig
    method_call_with_first_arg_type_primitive.zig
    method_call_with_first_arg_type_wrong_container.zig
    missing_const_in_slice_with_nested_array_type.zig
    mul_overflow_in_function_evaluation.zig
    negation_overflow_in_function_evaluation.zig
    no_else_prong_on_switch_on_global_error_set.zig
    non-const_variables_of_things_that_require_const_variables.zig
    non-inline_for_loop_on_a_type_that_requires_comptime.zig
    non_compile_time_array_concatenation.zig
    non_constant_expression_in_array_size.zig
    non_error_sets_used_in_merge_error_sets_operator.zig
    panic_called_at_compile_time.zig
    ptrCast_a_0_bit_type_to_a_non-_0_bit_type.zig
    ptrToInt_on_void.zig
    range_operator_in_switch_used_on_error_set.zig
    reading_past_end_of_pointer_casted_array.zig
    recursive_inferred_error_set.zig
    runtime_index_into_comptime_type_slice.zig
    setAlignStack_in_inline_function.zig
    signed_integer_remainder_division.zig
    sizeOf_bad_type.zig
    slice_cannot_have_its_bytes_reinterpreted.zig
    slice_passed_as_array_init_type.zig
    slice_passed_as_array_init_type_with_elems.zig
    slicing_of_global_undefined_pointer.zig
    sub_overflow_in_function_evaluation.zig
    switch_expression-duplicate_or_overlapping_integer_value.zig
    switch_expression-switch_on_pointer_type_with_no_else.zig
    switch_expression-unreachable_else_prong_bool.zig
    switch_on_union_with_no_attached_enum.zig
    switch_with_invalid_expression_parameter.zig
    switch_with_overlapping_case_ranges.zig
    tagName_used_on_union_with_no_associated_enum_tag.zig
    type_variables_must_be_constant.zig
    unreachable_executed_at_comptime.zig
    use_of_comptime-known_undefined_function_value.zig
    wasmMemoryGrow_is_a_compile_error_in_non-Wasm_targets.zig
    wasmMemorySize_is_a_compile_error_in_non-Wasm_targets.zig
    wrong_type_for_reify_type.zig
    ptrCast_a_0_bit_type_to_a_non-_0_bit_type.zig
    ptrToInt_on_void.zig
    recursive_inferred_error_set.zig
    slicing_of_global_undefined_pointer.zig
    switch_with_invalid_expression_parameter.zig
    use_of_comptime-known_undefined_function_value.zig
    stage2
    out_of_bounds_index.zig
    sub_overflow_in_function_evaluation.zig
    switch_expression-duplicate_or_overlapping_integer_value.zig
    switch_expression-switch_on_pointer_type_with_no_else.zig
    switch_expression-unreachable_else_prong_bool.zig
    switch_on_union_with_no_attached_enum.zig
    switch_with_overlapping_case_ranges.zig
    tagName_used_on_union_with_no_associated_enum_tag.zig
    type_variables_must_be_constant.zig
    unreachable_executed_at_comptime.zig
    unreachable_variable.zig
    use_invalid_number_literal_as_array_index.zig
    wasmMemoryGrow_is_a_compile_error_in_non-Wasm_targets.zig
    wasmMemorySize_is_a_compile_error_in_non-Wasm_targets.zig
    wrong_type_for_reify_type.zig
  - variable_shadowing.10.zig
- standalone
  - issue_7030
    main.zig

lib/std/log.zig+5-5

...	...	@@ -156,11 +156,11 @@ pub fn defaultLog(
156	156	comptime format: []const u8,
157	157	args: anytype,
158	158	) void {
159		if (builtin.os.tag == .freestanding) {
160		// On freestanding one must provide a log function; we do not have
161		// any I/O configured.
162		return;
163		}
	159	if (builtin.os.tag == .freestanding)
	160	@compileError(
	161	\\freestanding targets do not have I/O configured;
	162	\\please provide at least an empty `log` function declaration
	163	);
164	164
165	165	const level_txt = comptime message_level.asText();
166	166	const prefix2 = if (scope == .default) ": " else "(" ++ @tagName(scope) ++ "): ";

src/AstGen.zig+42-12

...	...	@@ -812,7 +812,7 @@ fn expr(gz: GenZir, scope: Scope, rl: ResultLoc, node: Ast.Node.Index) InnerEr
812	812
813	813	.deref => {
814	814	const lhs = try expr(gz, scope, .none, node_datas[node].lhs);
815		_ = try gz.addUnTok(.validate_deref, lhs, main_tokens[node]);
	815	_ = try gz.addUnNode(.validate_deref, lhs, node);
816	816	switch (rl) {
817	817	.ref => return lhs,
818	818	else => {
...	...	@@ -1320,7 +1320,10 @@ fn arrayInitExpr(
1320	1320	const len_inst = try gz.addInt(array_init.ast.elements.len);
1321	1321	const elem_type = try typeExpr(gz, scope, array_type.ast.elem_type);
1322	1322	if (array_type.ast.sentinel == 0) {
1323		const array_type_inst = try gz.addBin(.array_type, len_inst, elem_type);
	1323	const array_type_inst = try gz.addPlNode(.array_type, array_init.ast.type_expr, Zir.Inst.Bin{
	1324	.lhs = len_inst,
	1325	.rhs = elem_type,
	1326	});
1324	1327	break :inst .{
1325	1328	.array = array_type_inst,
1326	1329	.elem = elem_type,
...	...	@@ -1553,7 +1556,10 @@ fn structInitExpr(
1553	1556	if (is_inferred_array_len) {
1554	1557	const elem_type = try typeExpr(gz, scope, array_type.ast.elem_type);
1555	1558	const array_type_inst = if (array_type.ast.sentinel == 0) blk: {
1556		break :blk try gz.addBin(.array_type, .zero_usize, elem_type);
	1559	break :blk try gz.addPlNode(.array_type, struct_init.ast.type_expr, Zir.Inst.Bin{
	1560	.lhs = .zero_usize,
	1561	.rhs = elem_type,
	1562	});
1557	1563	} else blk: {
1558	1564	const sentinel = try comptimeExpr(gz, scope, .{ .ty = elem_type }, array_type.ast.sentinel);
1559	1565	break :blk try gz.addPlNode(
...	...	@@ -2332,8 +2338,6 @@ fn unusedResultExpr(gz: GenZir, scope: Scope, statement: Ast.Node.Index) Inner
2332	2338	.error_union_type,
2333	2339	.bit_not,
2334	2340	.error_value,
2335		.error_to_int,
2336		.int_to_error,
2337	2341	.slice_start,
2338	2342	.slice_end,
2339	2343	.slice_sentinel,
...	...	@@ -2420,7 +2424,6 @@ fn unusedResultExpr(gz: GenZir, scope: Scope, statement: Ast.Node.Index) Inner
2420	2424	.splat,
2421	2425	.reduce,
2422	2426	.shuffle,
2423		.select,
2424	2427	.atomic_load,
2425	2428	.atomic_rmw,
2426	2429	.mul_add,
...	...	@@ -2467,6 +2470,7 @@ fn unusedResultExpr(gz: GenZir, scope: Scope, statement: Ast.Node.Index) Inner
2467	2470	.repeat,
2468	2471	.repeat_inline,
2469	2472	.panic,
	2473	.panic_comptime,
2470	2474	=> {
2471	2475	noreturn_src_node = statement;
2472	2476	break :b true;
...	...	@@ -3100,6 +3104,10 @@ fn ptrType(
3100	3104	node: Ast.Node.Index,
3101	3105	ptr_info: Ast.full.PtrType,
3102	3106	) InnerError!Zir.Inst.Ref {
	3107	if (ptr_info.size == .C and ptr_info.allowzero_token != null) {
	3108	return gz.astgen.failTok(ptr_info.allowzero_token.?, "C pointers always allow address zero", .{});
	3109	}
	3110
3103	3111	const elem_type = try typeExpr(gz, scope, ptr_info.ast.child_type);
3104	3112
3105	3113	const simple = ptr_info.ast.align_node == 0 and
...	...	@@ -3205,7 +3213,10 @@ fn arrayType(gz: GenZir, scope: Scope, rl: ResultLoc, node: Ast.Node.Index) !Z
3205	3213	const len = try expr(gz, scope, .{ .coerced_ty = .usize_type }, len_node);
3206	3214	const elem_type = try typeExpr(gz, scope, node_datas[node].rhs);
3207	3215
3208		const result = try gz.addBin(.array_type, len, elem_type);
	3216	const result = try gz.addPlNode(.array_type, node, Zir.Inst.Bin{
	3217	.lhs = len,
	3218	.rhs = elem_type,
	3219	});
3209	3220	return rvalue(gz, rl, result, node);
3210	3221	}
3211	3222
...	...	@@ -4997,10 +5008,14 @@ fn orelseCatchExpr(
4997	5008	var err_val_scope: Scope.LocalVal = undefined;
4998	5009	const else_sub_scope = blk: {
4999	5010	const payload = payload_token orelse break :blk &else_scope.base;
5000		if (mem.eql(u8, tree.tokenSlice(payload), "_")) {
	5011	const err_str = tree.tokenSlice(payload);
	5012	if (mem.eql(u8, err_str, "_")) {
5001	5013	return astgen.failTok(payload, "discard of error capture; omit it instead", .{});
5002	5014	}
5003	5015	const err_name = try astgen.identAsString(payload);
	5016
	5017	try astgen.detectLocalShadowing(scope, err_name, payload, err_str);
	5018
5004	5019	err_val_scope = .{
5005	5020	.parent = &else_scope.base,
5006	5021	.gen_zir = &else_scope,
...	...	@@ -7355,15 +7370,13 @@ fn builtinCall(
7355	7370	.align_of => return simpleUnOpType(gz, scope, rl, node, params[0], .align_of),
7356	7371
7357	7372	.ptr_to_int => return simpleUnOp(gz, scope, rl, node, .none, params[0], .ptr_to_int),
7358		.error_to_int => return simpleUnOp(gz, scope, rl, node, .none, params[0], .error_to_int),
7359		.int_to_error => return simpleUnOp(gz, scope, rl, node, .{ .coerced_ty = .u16_type }, params[0], .int_to_error),
7360	7373	.compile_error => return simpleUnOp(gz, scope, rl, node, .{ .ty = .const_slice_u8_type }, params[0], .compile_error),
7361	7374	.set_eval_branch_quota => return simpleUnOp(gz, scope, rl, node, .{ .coerced_ty = .u32_type }, params[0], .set_eval_branch_quota),
7362	7375	.enum_to_int => return simpleUnOp(gz, scope, rl, node, .none, params[0], .enum_to_int),
7363	7376	.bool_to_int => return simpleUnOp(gz, scope, rl, node, bool_rl, params[0], .bool_to_int),
7364	7377	.embed_file => return simpleUnOp(gz, scope, rl, node, .{ .ty = .const_slice_u8_type }, params[0], .embed_file),
7365	7378	.error_name => return simpleUnOp(gz, scope, rl, node, .{ .ty = .anyerror_type }, params[0], .error_name),
7366		.panic => return simpleUnOp(gz, scope, rl, node, .{ .ty = .const_slice_u8_type }, params[0], .panic),
	7379	.panic => return simpleUnOp(gz, scope, rl, node, .{ .ty = .const_slice_u8_type }, params[0], if (gz.force_comptime) .panic_comptime else .panic),
7367	7380	.set_cold => return simpleUnOp(gz, scope, rl, node, bool_rl, params[0], .set_cold),
7368	7381	.set_runtime_safety => return simpleUnOp(gz, scope, rl, node, bool_rl, params[0], .set_runtime_safety),
7369	7382	.sqrt => return simpleUnOp(gz, scope, rl, node, .none, params[0], .sqrt),
...	...	@@ -7396,6 +7409,22 @@ fn builtinCall(
7396	7409	.truncate => return typeCast(gz, scope, rl, node, params[0], params[1], .truncate),
7397	7410	// zig fmt: on
7398	7411
	7412	.error_to_int => {
	7413	const operand = try expr(gz, scope, .none, params[0]);
	7414	const result = try gz.addExtendedPayload(.error_to_int, Zir.Inst.UnNode{
	7415	.node = gz.nodeIndexToRelative(node),
	7416	.operand = operand,
	7417	});
	7418	return rvalue(gz, rl, result, node);
	7419	},
	7420	.int_to_error => {
	7421	const operand = try expr(gz, scope, .{ .coerced_ty = .u16_type }, params[0]);
	7422	const result = try gz.addExtendedPayload(.int_to_error, Zir.Inst.UnNode{
	7423	.node = gz.nodeIndexToRelative(node),
	7424	.operand = operand,
	7425	});
	7426	return rvalue(gz, rl, result, node);
	7427	},
7399	7428	.align_cast => {
7400	7429	const dest_align = try comptimeExpr(gz, scope, align_rl, params[0]);
7401	7430	const rhs = try expr(gz, scope, .none, params[1]);
...	...	@@ -7635,7 +7664,8 @@ fn builtinCall(
7635	7664	return rvalue(gz, rl, result, node);
7636	7665	},
7637	7666	.select => {
7638		const result = try gz.addPlNode(.select, node, Zir.Inst.Select{
	7667	const result = try gz.addExtendedPayload(.select, Zir.Inst.Select{
	7668	.node = gz.nodeIndexToRelative(node),
7639	7669	.elem_type = try typeExpr(gz, scope, params[0]),
7640	7670	.pred = try expr(gz, scope, .none, params[1]),
7641	7671	.a = try expr(gz, scope, .none, params[2]),

src/Module.zig+49-2

...	...	@@ -2171,7 +2171,11 @@ pub const SrcLoc = struct {
2171	2171	const token_starts = tree.tokens.items(.start);
2172	2172	return token_starts[tok_index];
2173	2173	},
2174		.node_offset_slice_sentinel => \|node_off\| {
	2174	.node_offset_slice_ptr,
	2175	.node_offset_slice_start,
	2176	.node_offset_slice_end,
	2177	.node_offset_slice_sentinel,
	2178	=> \|node_off\| {
2175	2179	const tree = try src_loc.file_scope.getTree(gpa);
2176	2180	const node_tags = tree.nodes.items(.tag);
2177	2181	const node = src_loc.declRelativeToNodeIndex(node_off);
...	...	@@ -2182,7 +2186,15 @@ pub const SrcLoc = struct {
2182	2186	else => unreachable,
2183	2187	};
2184	2188	const main_tokens = tree.nodes.items(.main_token);
2185		const tok_index = main_tokens[full.ast.sentinel];
	2189	const tok_index = main_tokens[
	2190	switch (src_loc.lazy) {
	2191	.node_offset_slice_ptr => full.ast.sliced,
	2192	.node_offset_slice_start => full.ast.start,
	2193	.node_offset_slice_end => full.ast.end,
	2194	.node_offset_slice_sentinel => full.ast.sentinel,
	2195	else => unreachable,
	2196	}
	2197	];
2186	2198	const token_starts = tree.tokens.items(.start);
2187	2199	return token_starts[tok_index];
2188	2200	},
...	...	@@ -2501,6 +2513,16 @@ pub const SrcLoc = struct {
2501	2513	const token_starts = tree.tokens.items(.start);
2502	2514	return token_starts[tok_index];
2503	2515	},
	2516	.node_offset_un_op => \|node_off\| {
	2517	const tree = try src_loc.file_scope.getTree(gpa);
	2518	const node_datas = tree.nodes.items(.data);
	2519	const node = src_loc.declRelativeToNodeIndex(node_off);
	2520
	2521	const main_tokens = tree.nodes.items(.main_token);
	2522	const tok_index = main_tokens[node_datas[node].lhs];
	2523	const token_starts = tree.tokens.items(.start);
	2524	return token_starts[tok_index];
	2525	},
2504	2526	}
2505	2527	}
2506	2528
...	...	@@ -2614,6 +2636,24 @@ pub const LazySrcLoc = union(enum) {
2614	2636	/// to the index expression.
2615	2637	/// The Decl is determined contextually.
2616	2638	node_offset_array_access_index: i32,
	2639	/// The source location points to the LHS of a slice expression
	2640	/// expression, found by taking this AST node index offset from the containing
	2641	/// Decl AST node, which points to a slice AST node. Next, navigate
	2642	/// to the sentinel expression.
	2643	/// The Decl is determined contextually.
	2644	node_offset_slice_ptr: i32,
	2645	/// The source location points to start expression of a slice expression
	2646	/// expression, found by taking this AST node index offset from the containing
	2647	/// Decl AST node, which points to a slice AST node. Next, navigate
	2648	/// to the sentinel expression.
	2649	/// The Decl is determined contextually.
	2650	node_offset_slice_start: i32,
	2651	/// The source location points to the end expression of a slice
	2652	/// expression, found by taking this AST node index offset from the containing
	2653	/// Decl AST node, which points to a slice AST node. Next, navigate
	2654	/// to the sentinel expression.
	2655	/// The Decl is determined contextually.
	2656	node_offset_slice_end: i32,
2617	2657	/// The source location points to the sentinel expression of a slice
2618	2658	/// expression, found by taking this AST node index offset from the containing
2619	2659	/// Decl AST node, which points to a slice AST node. Next, navigate
...	...	@@ -2728,6 +2768,9 @@ pub const LazySrcLoc = union(enum) {
2728	2768	/// to the elem expression.
2729	2769	/// The Decl is determined contextually.
2730	2770	node_offset_array_type_elem: i32,
	2771	/// The source location points to the operand of an unary expression.
	2772	/// The Decl is determined contextually.
	2773	node_offset_un_op: i32,
2731	2774
2732	2775	pub const nodeOffset = if (TracedOffset.want_tracing) nodeOffsetDebug else nodeOffsetRelease;
2733	2776
...	...	@@ -2768,6 +2811,9 @@ pub const LazySrcLoc = union(enum) {
2768	2811	.node_offset_builtin_call_arg4,
2769	2812	.node_offset_builtin_call_arg5,
2770	2813	.node_offset_array_access_index,
	2814	.node_offset_slice_ptr,
	2815	.node_offset_slice_start,
	2816	.node_offset_slice_end,
2771	2817	.node_offset_slice_sentinel,
2772	2818	.node_offset_call_func,
2773	2819	.node_offset_field_name,
...	...	@@ -2788,6 +2834,7 @@ pub const LazySrcLoc = union(enum) {
2788	2834	.node_offset_array_type_len,
2789	2835	.node_offset_array_type_sentinel,
2790	2836	.node_offset_array_type_elem,
	2837	.node_offset_un_op,
2791	2838	=> .{
2792	2839	.file_scope = decl.getFileScope(),
2793	2840	.parent_decl_node = decl.src_node,

src/Sema.zig+189-115

...	...	@@ -739,8 +739,6 @@ fn analyzeBodyInner(
739	739	.err_union_payload_unsafe_ptr => try sema.zirErrUnionPayloadPtr(block, inst, false),
740	740	.error_union_type => try sema.zirErrorUnionType(block, inst),
741	741	.error_value => try sema.zirErrorValue(block, inst),
742		.error_to_int => try sema.zirErrorToInt(block, inst),
743		.int_to_error => try sema.zirIntToError(block, inst),
744	742	.field_ptr => try sema.zirFieldPtr(block, inst),
745	743	.field_ptr_named => try sema.zirFieldPtrNamed(block, inst),
746	744	.field_val => try sema.zirFieldVal(block, inst),
...	...	@@ -835,7 +833,6 @@ fn analyzeBodyInner(
835	833	.splat => try sema.zirSplat(block, inst),
836	834	.reduce => try sema.zirReduce(block, inst),
837	835	.shuffle => try sema.zirShuffle(block, inst),
838		.select => try sema.zirSelect(block, inst),
839	836	.atomic_load => try sema.zirAtomicLoad(block, inst),
840	837	.atomic_rmw => try sema.zirAtomicRmw(block, inst),
841	838	.mul_add => try sema.zirMulAdd(block, inst),
...	...	@@ -906,7 +903,8 @@ fn analyzeBodyInner(
906	903	.ret_load => break sema.zirRetLoad(block, inst),
907	904	.ret_err_value => break sema.zirRetErrValue(block, inst),
908	905	.@"unreachable" => break sema.zirUnreachable(block, inst),
909		.panic => break sema.zirPanic(block, inst),
	906	.panic => break sema.zirPanic(block, inst, false),
	907	.panic_comptime => break sema.zirPanic(block, inst, true),
910	908	// zig fmt: on
911	909
912	910	.extended => ext: {
...	...	@@ -942,6 +940,9 @@ fn analyzeBodyInner(
942	940	.field_call_bind_named => try sema.zirFieldCallBindNamed(block, extended),
943	941	.err_set_cast => try sema.zirErrSetCast( block, extended),
944	942	.await_nosuspend => try sema.zirAwaitNosuspend( block, extended),
	943	.select => try sema.zirSelect( block, extended),
	944	.error_to_int => try sema.zirErrorToInt( block, extended),
	945	.int_to_error => try sema.zirIntToError( block, extended),
945	946	// zig fmt: on
946	947	.fence => {
947	948	try sema.zirFence(block, extended);
...	...	@@ -1685,7 +1686,9 @@ fn resolveMaybeUndefValAllowVariables(
1685	1686	switch (air_tags[i]) {
1686	1687	.constant => {
1687	1688	const ty_pl = sema.air_instructions.items(.data)[i].ty_pl;
1688		return sema.air_values.items[ty_pl.payload];
	1689	const val = sema.air_values.items[ty_pl.payload];
	1690	if (val.tag() == .runtime_int) return null;
	1691	return val;
1689	1692	},
1690	1693	.const_ty => {
1691	1694	return try sema.air_instructions.items(.data)[i].ty.toValue(sema.arena);
...	...	@@ -1717,9 +1720,17 @@ fn failWithExpectedOptionalType(sema: Sema, block: Block, src: LazySrcLoc, opt
1717	1720	}
1718	1721
1719	1722	fn failWithArrayInitNotSupported(sema: Sema, block: Block, src: LazySrcLoc, ty: Type) CompileError {
1720		return sema.fail(block, src, "type '{}' does not support array initialization syntax", .{
1721		ty.fmt(sema.mod),
1722		});
	1723	const msg = msg: {
	1724	const msg = try sema.errMsg(block, src, "type '{}' does not support array initialization syntax", .{
	1725	ty.fmt(sema.mod),
	1726	});
	1727	errdefer msg.destroy(sema.gpa);
	1728	if (ty.isSlice()) {
	1729	try sema.errNote(block, src, msg, "inferred array length is specified with an underscore: '[_]{}'", .{ty.elemType2().fmt(sema.mod)});
	1730	}
	1731	break :msg msg;
	1732	};
	1733	return sema.failWithOwnedErrorMsg(block, msg);
1723	1734	}
1724	1735
1725	1736	fn failWithStructInitNotSupported(sema: Sema, block: Block, src: LazySrcLoc, ty: Type) CompileError {
...	...	@@ -2804,7 +2815,7 @@ fn zirAllocExtended(
2804	2815	) CompileError!Air.Inst.Ref {
2805	2816	const extra = sema.code.extraData(Zir.Inst.AllocExtended, extended.operand);
2806	2817	const src = LazySrcLoc.nodeOffset(extra.data.src_node);
2807		const ty_src = src; // TODO better source location
	2818	const ty_src: LazySrcLoc = .{ .node_offset_var_decl_ty = extra.data.src_node };
2808	2819	const align_src = src; // TODO better source location
2809	2820	const small = @bitCast(Zir.Inst.AllocExtended.Small, extended.small);
2810	2821
...	...	@@ -3856,9 +3867,9 @@ fn zirValidateArrayInit(
3856	3867	}
3857	3868
3858	3869	fn zirValidateDeref(sema: Sema, block: Block, inst: Zir.Inst.Index) CompileError!void {
3859		const inst_data = sema.code.instructions.items(.data)[inst].un_tok;
	3870	const inst_data = sema.code.instructions.items(.data)[inst].un_node;
3860	3871	const src = inst_data.src();
3861		const operand_src: LazySrcLoc = .{ .token_offset = inst_data.src_tok + 1 };
	3872	const operand_src: LazySrcLoc = .{ .node_offset_un_op = inst_data.src_node };
3862	3873	const operand = try sema.resolveInst(inst_data.operand);
3863	3874	const operand_ty = sema.typeOf(operand);
3864	3875
...	...	@@ -3870,10 +3881,26 @@ fn zirValidateDeref(sema: Sema, block: Block, inst: Zir.Inst.Index) CompileErr
3870	3881	.Slice => return sema.fail(block, src, "index syntax required for slice type '{}'", .{operand_ty.fmt(sema.mod)}),
3871	3882	}
3872	3883
	3884	const elem_ty = operand_ty.elemType2();
3873	3885	if (try sema.resolveMaybeUndefVal(block, operand_src, operand)) \|val\| {
3874	3886	if (val.isUndef()) {
3875	3887	return sema.fail(block, src, "cannot dereference undefined value", .{});
3876	3888	}
	3889	} else if (!(try sema.validateRunTimeType(block, src, elem_ty, false))) {
	3890	const msg = msg: {
	3891	const msg = try sema.errMsg(
	3892	block,
	3893	src,
	3894	"values of type '{}' must be comptime known, but operand value is runtime known",
	3895	.{elem_ty.fmt(sema.mod)},
	3896	);
	3897	errdefer msg.destroy(sema.gpa);
	3898
	3899	const src_decl = sema.mod.declPtr(block.src_decl);
	3900	try sema.explainWhyTypeIsComptime(block, src, msg, src.toSrcLoc(src_decl), elem_ty);
	3901	break :msg msg;
	3902	};
	3903	return sema.failWithOwnedErrorMsg(block, msg);
3877	3904	}
3878	3905	}
3879	3906
...	...	@@ -4308,11 +4335,15 @@ fn zirCompileLog(
4308	4335	return Air.Inst.Ref.void_value;
4309	4336	}
4310	4337
4311		fn zirPanic(sema: Sema, block: Block, inst: Zir.Inst.Index) CompileError!Zir.Inst.Index {
	4338	fn zirPanic(sema: Sema, block: Block, inst: Zir.Inst.Index, force_comptime: bool) CompileError!Zir.Inst.Index {
4312	4339	const inst_data = sema.code.instructions.items(.data)[inst].un_node;
4313		const src: LazySrcLoc = inst_data.src();
	4340	const src = inst_data.src();
4314	4341	const msg_inst = try sema.resolveInst(inst_data.operand);
4315	4342
	4343	if (block.is_comptime or force_comptime) {
	4344	return sema.fail(block, src, "encountered @panic at comptime", .{});
	4345	}
	4346	try sema.requireRuntimeBlock(block, src);
4316	4347	return sema.panicWithMsg(block, src, msg_inst);
4317	4348	}
4318	4349
...	...	@@ -4796,14 +4827,16 @@ fn zirSetAlignStack(sema: Sema, block: Block, extended: Zir.Inst.Extended.Inst
4796	4827	alignment,
4797	4828	});
4798	4829	}
4799		const func = sema.owner_func orelse
	4830	const func = sema.func orelse
4800	4831	return sema.fail(block, src, "@setAlignStack outside function body", .{});
4801	4832
4802	4833	const fn_owner_decl = sema.mod.declPtr(func.owner_decl);
4803	4834	switch (fn_owner_decl.ty.fnCallingConvention()) {
4804	4835	.Naked => return sema.fail(block, src, "@setAlignStack in naked function", .{}),
4805	4836	.Inline => return sema.fail(block, src, "@setAlignStack in inline function", .{}),
4806		else => {},
	4837	else => if (block.inlining != null) {
	4838	return sema.fail(block, src, "@setAlignStack in inline call", .{});
	4839	},
4807	4840	}
4808	4841
4809	4842	const gop = try sema.mod.align_stack_fns.getOrPut(sema.mod.gpa, func);
...	...	@@ -6161,11 +6194,12 @@ fn zirArrayType(sema: Sema, block: Block, inst: Zir.Inst.Index) CompileError!A
6161	6194	const tracy = trace(@src());
6162	6195	defer tracy.end();
6163	6196
6164		const bin_inst = sema.code.instructions.items(.data)[inst].bin;
6165		const len_src = sema.src; // TODO better source location
6166		const elem_src = sema.src; // TODO better source location
6167		const len = try sema.resolveInt(block, len_src, bin_inst.lhs, Type.usize);
6168		const elem_type = try sema.resolveType(block, elem_src, bin_inst.rhs);
	6197	const inst_data = sema.code.instructions.items(.data)[inst].pl_node;
	6198	const extra = sema.code.extraData(Zir.Inst.Bin, inst_data.payload_index).data;
	6199	const len_src: LazySrcLoc = .{ .node_offset_array_type_len = inst_data.src_node };
	6200	const elem_src: LazySrcLoc = .{ .node_offset_array_type_elem = inst_data.src_node };
	6201	const len = try sema.resolveInt(block, len_src, extra.lhs, Type.usize);
	6202	const elem_type = try sema.resolveType(block, elem_src, extra.rhs);
6169	6203	const array_ty = try Type.array(sema.arena, len, null, elem_type, sema.mod);
6170	6204
6171	6205	return sema.addType(array_ty);
...	...	@@ -6240,18 +6274,18 @@ fn zirErrorValue(sema: Sema, block: Block, inst: Zir.Inst.Index) CompileError!
6240	6274	);
6241	6275	}
6242	6276
6243		fn zirErrorToInt(sema: Sema, block: Block, inst: Zir.Inst.Index) CompileError!Air.Inst.Ref {
	6277	fn zirErrorToInt(sema: Sema, block: Block, extended: Zir.Inst.Extended.InstData) CompileError!Air.Inst.Ref {
6244	6278	const tracy = trace(@src());
6245	6279	defer tracy.end();
6246	6280
6247		const inst_data = sema.code.instructions.items(.data)[inst].un_node;
6248		const src = inst_data.src();
6249		const operand_src: LazySrcLoc = .{ .node_offset_builtin_call_arg0 = inst_data.src_node };
6250		const op = try sema.resolveInst(inst_data.operand);
6251		const op_coerced = try sema.coerce(block, Type.anyerror, op, operand_src);
	6281	const extra = sema.code.extraData(Zir.Inst.UnNode, extended.operand).data;
	6282	const src = LazySrcLoc.nodeOffset(extra.node);
	6283	const operand_src: LazySrcLoc = .{ .node_offset_builtin_call_arg0 = extra.node };
	6284	const uncasted_operand = try sema.resolveInst(extra.operand);
	6285	const operand = try sema.coerce(block, Type.anyerror, uncasted_operand, operand_src);
6252	6286	const result_ty = Type.u16;
6253	6287
6254		if (try sema.resolveMaybeUndefVal(block, src, op_coerced)) \|val\| {
	6288	if (try sema.resolveMaybeUndefVal(block, src, operand)) \|val\| {
6255	6289	if (val.isUndef()) {
6256	6290	return sema.addConstUndef(result_ty);
6257	6291	}
...	...	@@ -6273,7 +6307,7 @@ fn zirErrorToInt(sema: Sema, block: Block, inst: Zir.Inst.Index) CompileError!
6273	6307	}
6274	6308	}
6275	6309
6276		const op_ty = sema.typeOf(op);
	6310	const op_ty = sema.typeOf(uncasted_operand);
6277	6311	try sema.resolveInferredErrorSetTy(block, src, op_ty);
6278	6312	if (!op_ty.isAnyError()) {
6279	6313	const names = op_ty.errorSetNames();
...	...	@@ -6285,17 +6319,17 @@ fn zirErrorToInt(sema: Sema, block: Block, inst: Zir.Inst.Index) CompileError!
6285	6319	}
6286	6320
6287	6321	try sema.requireRuntimeBlock(block, src);
6288		return block.addBitCast(result_ty, op_coerced);
	6322	return block.addBitCast(result_ty, operand);
6289	6323	}
6290	6324
6291		fn zirIntToError(sema: Sema, block: Block, inst: Zir.Inst.Index) CompileError!Air.Inst.Ref {
	6325	fn zirIntToError(sema: Sema, block: Block, extended: Zir.Inst.Extended.InstData) CompileError!Air.Inst.Ref {
6292	6326	const tracy = trace(@src());
6293	6327	defer tracy.end();
6294	6328
6295		const inst_data = sema.code.instructions.items(.data)[inst].un_node;
6296		const src = inst_data.src();
6297		const operand_src: LazySrcLoc = .{ .node_offset_builtin_call_arg0 = inst_data.src_node };
6298		const uncasted_operand = try sema.resolveInst(inst_data.operand);
	6329	const extra = sema.code.extraData(Zir.Inst.UnNode, extended.operand).data;
	6330	const src = LazySrcLoc.nodeOffset(extra.node);
	6331	const operand_src: LazySrcLoc = .{ .node_offset_builtin_call_arg0 = extra.node };
	6332	const uncasted_operand = try sema.resolveInst(extra.operand);
6299	6333	const operand = try sema.coerce(block, Type.u16, uncasted_operand, operand_src);
6300	6334	const target = sema.mod.getTarget();
6301	6335
...	...	@@ -7432,6 +7466,9 @@ fn analyzeAs(
7432	7466	const dest_ty = try sema.resolveType(block, src, zir_dest_type);
7433	7467	const operand = try sema.resolveInst(zir_operand);
7434	7468	if (dest_ty.tag() == .var_args_param) return operand;
	7469	if (dest_ty.zigTypeTag() == .NoReturn) {
	7470	return sema.fail(block, src, "cannot cast to noreturn", .{});
	7471	}
7435	7472	return sema.coerce(block, dest_ty, operand, src);
7436	7473	}
7437	7474
...	...	@@ -8099,9 +8136,11 @@ fn zirSwitchCond(
8099	8136	const union_ty = try sema.resolveTypeFields(block, operand_src, operand_ty);
8100	8137	const enum_ty = union_ty.unionTagType() orelse {
8101	8138	const msg = msg: {
8102		const msg = try sema.errMsg(block, src, "switch on untagged union", .{});
	8139	const msg = try sema.errMsg(block, src, "switch on union with no attached enum", .{});
8103	8140	errdefer msg.destroy(sema.gpa);
8104		try sema.addDeclaredHereNote(msg, union_ty);
	8141	if (union_ty.declSrcLocOrNull(sema.mod)) \|union_src\| {
	8142	try sema.mod.errNoteNonLazy(union_src, msg, "consider 'union(enum)' here", .{});
	8143	}
8105	8144	break :msg msg;
8106	8145	};
8107	8146	return sema.failWithOwnedErrorMsg(block, msg);
...	...	@@ -8357,7 +8396,7 @@ fn zirSwitchBlock(sema: Sema, block: Block, inst: Zir.Inst.Index) CompileError
8357	8396	return sema.fail(
8358	8397	block,
8359	8398	src,
8360		"switch must handle all possibilities",
	8399	"else prong required when switching on type 'anyerror'",
8361	8400	.{},
8362	8401	);
8363	8402	}
...	...	@@ -8592,7 +8631,7 @@ fn zirSwitchBlock(sema: Sema, block: Block, inst: Zir.Inst.Index) CompileError
8592	8631	if (true_count + false_count == 2) {
8593	8632	return sema.fail(
8594	8633	block,
8595		src,
	8634	special_prong_src,
8596	8635	"unreachable else prong; all cases already handled",
8597	8636	.{},
8598	8637	);
...	...	@@ -9720,7 +9759,7 @@ fn zirBitNot(sema: Sema, block: Block, inst: Zir.Inst.Index) CompileError!Air.
9720	9759
9721	9760	const inst_data = sema.code.instructions.items(.data)[inst].un_node;
9722	9761	const src = inst_data.src();
9723		const operand_src = src; // TODO put this on the operand, not the '~'
	9762	const operand_src: LazySrcLoc = .{ .node_offset_un_op = inst_data.src_node };
9724	9763
9725	9764	const operand = try sema.resolveInst(inst_data.operand);
9726	9765	const operand_type = sema.typeOf(operand);
...	...	@@ -10219,7 +10258,7 @@ fn zirNegate(sema: Sema, block: Block, inst: Zir.Inst.Index) CompileError!Air.
10219	10258	const inst_data = sema.code.instructions.items(.data)[inst].un_node;
10220	10259	const src = inst_data.src();
10221	10260	const lhs_src = src;
10222		const rhs_src = src; // TODO better source location
	10261	const rhs_src: LazySrcLoc = .{ .node_offset_un_op = inst_data.src_node };
10223	10262
10224	10263	const rhs = try sema.resolveInst(inst_data.operand);
10225	10264	const rhs_ty = sema.typeOf(rhs);
...	...	@@ -10255,7 +10294,7 @@ fn zirNegateWrap(sema: Sema, block: Block, inst: Zir.Inst.Index) CompileError!
10255	10294	const inst_data = sema.code.instructions.items(.data)[inst].un_node;
10256	10295	const src = inst_data.src();
10257	10296	const lhs_src = src;
10258		const rhs_src = src; // TODO better source location
	10297	const rhs_src: LazySrcLoc = .{ .node_offset_un_op = inst_data.src_node };
10259	10298
10260	10299	const rhs = try sema.resolveInst(inst_data.operand);
10261	10300	const rhs_ty = sema.typeOf(rhs);
...	...	@@ -10532,18 +10571,17 @@ fn analyzeArithmetic(
10532	10571	if (lhs_zig_ty_tag == .Pointer) switch (lhs_ty.ptrSize()) {
10533	10572	.One, .Slice => {},
10534	10573	.Many, .C => {
10535		const op_src = src; // TODO better source location
10536	10574	const air_tag: Air.Inst.Tag = switch (zir_tag) {
10537	10575	.add => .ptr_add,
10538	10576	.sub => .ptr_sub,
10539	10577	else => return sema.fail(
10540	10578	block,
10541		op_src,
	10579	src,
10542	10580	"invalid pointer arithmetic operand: '{s}''",
10543	10581	.{@tagName(zir_tag)},
10544	10582	),
10545	10583	};
10546		return analyzePtrArithmetic(sema, block, op_src, lhs, rhs, air_tag, lhs_src, rhs_src);
	10584	return analyzePtrArithmetic(sema, block, src, lhs, rhs, air_tag, lhs_src, rhs_src);
10547	10585	},
10548	10586	};
10549	10587
...	...	@@ -11941,7 +11979,6 @@ fn runtimeBoolCmp(
11941	11979
11942	11980	fn zirSizeOf(sema: Sema, block: Block, inst: Zir.Inst.Index) CompileError!Air.Inst.Ref {
11943	11981	const inst_data = sema.code.instructions.items(.data)[inst].un_node;
11944		const src = inst_data.src();
11945	11982	const operand_src: LazySrcLoc = .{ .node_offset_builtin_call_arg0 = inst_data.src_node };
11946	11983	const ty = try sema.resolveType(block, operand_src, inst_data.operand);
11947	11984	switch (ty.zigTypeTag()) {
...	...	@@ -11951,7 +11988,7 @@ fn zirSizeOf(sema: Sema, block: Block, inst: Zir.Inst.Index) CompileError!Air.
11951	11988	.Null,
11952	11989	.BoundFn,
11953	11990	.Opaque,
11954		=> return sema.fail(block, src, "no size available for type '{}'", .{ty.fmt(sema.mod)}),
	11991	=> return sema.fail(block, operand_src, "no size available for type '{}'", .{ty.fmt(sema.mod)}),
11955	11992
11956	11993	.Type,
11957	11994	.EnumLiteral,
...	...	@@ -12077,7 +12114,7 @@ fn zirBuiltinSrc(
12077	12114	const tracy = trace(@src());
12078	12115	defer tracy.end();
12079	12116
12080		const src = LazySrcLoc.nodeOffset(@bitCast(i32, extended.operand));
	12117	const src = sema.src; // TODO better source location
12081	12118	const extra = sema.code.extraData(Zir.Inst.LineColumn, extended.operand).data;
12082	12119	const func = sema.func orelse return sema.fail(block, src, "@src outside function", .{});
12083	12120	const fn_owner_decl = sema.mod.declPtr(func.owner_decl);
...	...	@@ -12116,9 +12153,8 @@ fn zirBuiltinSrc(
12116	12153	field_values[0] = file_name_val;
12117	12154	// fn_name: [:0]const u8,
12118	12155	field_values[1] = func_name_val;
12119		// TODO these should be runtime only!
12120	12156	// line: u32
12121		field_values[2] = try Value.Tag.int_u64.create(sema.arena, extra.line + 1);
	12157	field_values[2] = try Value.Tag.runtime_int.create(sema.arena, extra.line + 1);
12122	12158	// column: u32,
12123	12159	field_values[3] = try Value.Tag.int_u64.create(sema.arena, extra.column + 1);
12124	12160
...	...	@@ -13123,7 +13159,7 @@ fn zirBoolNot(sema: Sema, block: Block, inst: Zir.Inst.Index) CompileError!Air
13123	13159
13124	13160	const inst_data = sema.code.instructions.items(.data)[inst].un_node;
13125	13161	const src = inst_data.src();
13126		const operand_src = src; // TODO put this on the operand, not the `!`
	13162	const operand_src: LazySrcLoc = .{ .node_offset_un_op = inst_data.src_node };
13127	13163	const uncasted_operand = try sema.resolveInst(inst_data.operand);
13128	13164
13129	13165	const operand = try sema.coerce(block, Type.bool, uncasted_operand, operand_src);
...	...	@@ -13667,7 +13703,8 @@ fn zirPtrTypeSimple(sema: Sema, block: Block, inst: Zir.Inst.Index) CompileErr
13667	13703	defer tracy.end();
13668	13704
13669	13705	const inst_data = sema.code.instructions.items(.data)[inst].ptr_type_simple;
13670		const elem_type = try sema.resolveType(block, .unneeded, inst_data.elem_type);
	13706	const elem_ty_src = sema.src; // TODO better source location
	13707	const elem_type = try sema.resolveType(block, elem_ty_src, inst_data.elem_type);
13671	13708	const ty = try Type.ptr(sema.arena, sema.mod, .{
13672	13709	.pointee_type = elem_type,
13673	13710	.@"addrspace" = .generic,
...	...	@@ -13676,6 +13713,7 @@ fn zirPtrTypeSimple(sema: Sema, block: Block, inst: Zir.Inst.Index) CompileErr
13676	13713	.@"volatile" = inst_data.is_volatile,
13677	13714	.size = inst_data.size,
13678	13715	});
	13716	try sema.validatePtrTy(block, elem_ty_src, ty);
13679	13717	return sema.addType(ty);
13680	13718	}
13681	13719
...	...	@@ -13683,9 +13721,12 @@ fn zirPtrType(sema: Sema, block: Block, inst: Zir.Inst.Index) CompileError!Air
13683	13721	const tracy = trace(@src());
13684	13722	defer tracy.end();
13685	13723
13686		// TODO better source location
13687		const src: LazySrcLoc = sema.src;
13688		const elem_ty_src: LazySrcLoc = .unneeded;
	13724	const src: LazySrcLoc = sema.src; // TODO better source location
	13725	const elem_ty_src: LazySrcLoc = sema.src; // TODO better source location
	13726	const sentinel_src: LazySrcLoc = sema.src; // TODO better source location
	13727	const addrspace_src: LazySrcLoc = sema.src; // TODO better source location
	13728	const bitoffset_src: LazySrcLoc = sema.src; // TODO better source location
	13729	const hostsize_src: LazySrcLoc = sema.src; // TODO better source location
13689	13730	const inst_data = sema.code.instructions.items(.data)[inst].ptr_type;
13690	13731	const extra = sema.code.extraData(Zir.Inst.PtrType, inst_data.payload_index);
13691	13732	const unresolved_elem_ty = try sema.resolveType(block, elem_ty_src, extra.data.elem_type);
...	...	@@ -13696,7 +13737,7 @@ fn zirPtrType(sema: Sema, block: Block, inst: Zir.Inst.Index) CompileError!Air
13696	13737	const sentinel = if (inst_data.flags.has_sentinel) blk: {
13697	13738	const ref = @intToEnum(Zir.Inst.Ref, sema.code.extra[extra_i]);
13698	13739	extra_i += 1;
13699		break :blk (try sema.resolveInstConst(block, .unneeded, ref)).val;
	13740	break :blk (try sema.resolveInstConst(block, sentinel_src, ref)).val;
13700	13741	} else null;
13701	13742
13702	13743	const abi_align: u32 = if (inst_data.flags.has_align) blk: {
...	...	@@ -13718,20 +13759,20 @@ fn zirPtrType(sema: Sema, block: Block, inst: Zir.Inst.Index) CompileError!Air
13718	13759	const address_space = if (inst_data.flags.has_addrspace) blk: {
13719	13760	const ref = @intToEnum(Zir.Inst.Ref, sema.code.extra[extra_i]);
13720	13761	extra_i += 1;
13721		break :blk try sema.analyzeAddrspace(block, .unneeded, ref, .pointer);
	13762	break :blk try sema.analyzeAddrspace(block, addrspace_src, ref, .pointer);
13722	13763	} else .generic;
13723	13764
13724	13765	const bit_offset = if (inst_data.flags.has_bit_range) blk: {
13725	13766	const ref = @intToEnum(Zir.Inst.Ref, sema.code.extra[extra_i]);
13726	13767	extra_i += 1;
13727		const bit_offset = try sema.resolveInt(block, .unneeded, ref, Type.u16);
	13768	const bit_offset = try sema.resolveInt(block, bitoffset_src, ref, Type.u16);
13728	13769	break :blk @intCast(u16, bit_offset);
13729	13770	} else 0;
13730	13771
13731	13772	const host_size: u16 = if (inst_data.flags.has_bit_range) blk: {
13732	13773	const ref = @intToEnum(Zir.Inst.Ref, sema.code.extra[extra_i]);
13733	13774	extra_i += 1;
13734		const host_size = try sema.resolveInt(block, .unneeded, ref, Type.u16);
	13775	const host_size = try sema.resolveInt(block, hostsize_src, ref, Type.u16);
13735	13776	break :blk @intCast(u16, host_size);
13736	13777	} else 0;
13737	13778
...	...	@@ -13758,9 +13799,25 @@ fn zirPtrType(sema: Sema, block: Block, inst: Zir.Inst.Index) CompileError!Air
13758	13799	.@"volatile" = inst_data.flags.is_volatile,
13759	13800	.size = inst_data.size,
13760	13801	});
	13802	try sema.validatePtrTy(block, elem_ty_src, ty);
13761	13803	return sema.addType(ty);
13762	13804	}
13763	13805
	13806	fn validatePtrTy(sema: Sema, block: Block, elem_src: LazySrcLoc, ty: Type) CompileError!void {
	13807	const ptr_info = ty.ptrInfo().data;
	13808	const pointee_tag = ptr_info.pointee_type.zigTypeTag();
	13809	if (pointee_tag == .NoReturn) {
	13810	return sema.fail(block, elem_src, "pointer to noreturn not allowed", .{});
	13811	} else if (ptr_info.size == .Many and pointee_tag == .Opaque) {
	13812	return sema.fail(block, elem_src, "unknown-length pointer to opaque not allowed", .{});
	13813	} else if (ptr_info.size == .C) {
	13814	// TODO check extern type
	13815	if (pointee_tag == .Opaque) {
	13816	return sema.fail(block, elem_src, "C pointers cannot point to opaque types", .{});
	13817	}
	13818	}
	13819	}
	13820
13764	13821	fn zirStructInitEmpty(sema: Sema, block: Block, inst: Zir.Inst.Index) CompileError!Air.Inst.Ref {
13765	13822	const tracy = trace(@src());
13766	13823	defer tracy.end();
...	...	@@ -14559,14 +14616,12 @@ fn zirTagName(sema: Sema, block: Block, inst: Zir.Inst.Index) CompileError!Air
14559	14616	},
14560	14617	.Enum => operand_ty,
14561	14618	.Union => operand_ty.unionTagType() orelse {
14562		const decl_index = operand_ty.getOwnerDecl();
14563		const decl = mod.declPtr(decl_index);
14564	14619	const msg = msg: {
14565		const msg = try sema.errMsg(block, src, "union '{s}' is untagged", .{
14566		decl.name,
	14620	const msg = try sema.errMsg(block, src, "union '{}' is untagged", .{
	14621	operand_ty.fmt(sema.mod),
14567	14622	});
14568	14623	errdefer msg.destroy(sema.gpa);
14569		try mod.errNoteNonLazy(decl.srcLoc(), msg, "declared here", .{});
	14624	try sema.addDeclaredHereNote(msg, operand_ty);
14570	14625	break :msg msg;
14571	14626	};
14572	14627	return sema.failWithOwnedErrorMsg(block, msg);
...	...	@@ -16703,14 +16758,13 @@ fn analyzeShuffle(
16703	16758	});
16704	16759	}
16705	16760
16706		fn zirSelect(sema: Sema, block: Block, inst: Zir.Inst.Index) CompileError!Air.Inst.Ref {
16707		const inst_data = sema.code.instructions.items(.data)[inst].pl_node;
16708		const extra = sema.code.extraData(Zir.Inst.Select, inst_data.payload_index).data;
	16761	fn zirSelect(sema: Sema, block: Block, extended: Zir.Inst.Extended.InstData) CompileError!Air.Inst.Ref {
	16762	const extra = sema.code.extraData(Zir.Inst.Select, extended.operand).data;
16709	16763
16710		const elem_ty_src: LazySrcLoc = .{ .node_offset_builtin_call_arg0 = inst_data.src_node };
16711		const pred_src: LazySrcLoc = .{ .node_offset_builtin_call_arg1 = inst_data.src_node };
16712		const a_src: LazySrcLoc = .{ .node_offset_builtin_call_arg2 = inst_data.src_node };
16713		const b_src: LazySrcLoc = .{ .node_offset_builtin_call_arg3 = inst_data.src_node };
	16764	const elem_ty_src: LazySrcLoc = .{ .node_offset_builtin_call_arg0 = extra.node };
	16765	const pred_src: LazySrcLoc = .{ .node_offset_builtin_call_arg1 = extra.node };
	16766	const a_src: LazySrcLoc = .{ .node_offset_builtin_call_arg2 = extra.node };
	16767	const b_src: LazySrcLoc = .{ .node_offset_builtin_call_arg3 = extra.node };
16714	16768
16715	16769	const elem_ty = try sema.resolveType(block, elem_ty_src, extra.elem_type);
16716	16770	try sema.checkVectorElemType(block, elem_ty_src, elem_ty);
...	...	@@ -17417,7 +17471,7 @@ fn zirVarExtended(
17417	17471	const extra = sema.code.extraData(Zir.Inst.ExtendedVar, extended.operand);
17418	17472	const src = sema.src;
17419	17473	const ty_src: LazySrcLoc = src; // TODO add a LazySrcLoc that points at type
17420		const mut_src: LazySrcLoc = src; // TODO add a LazySrcLoc that points at mut token
	17474	const name_src: LazySrcLoc = src; // TODO add a LazySrcLoc that points at the name token
17421	17475	const init_src: LazySrcLoc = src; // TODO add a LazySrcLoc that points at init expr
17422	17476	const small = @bitCast(Zir.Inst.ExtendedVar.Small, extended.small);
17423	17477
...	...	@@ -17461,7 +17515,7 @@ fn zirVarExtended(
17461	17515	return sema.failWithNeededComptime(block, init_src);
17462	17516	} else Value.initTag(.unreachable_value);
17463	17517
17464		try sema.validateVarType(block, mut_src, var_ty, small.is_extern);
	17518	try sema.validateVarType(block, name_src, var_ty, small.is_extern);
17465	17519
17466	17520	const new_var = try sema.gpa.create(Module.Var);
17467	17521	errdefer sema.gpa.destroy(new_var);
...	...	@@ -17958,6 +18012,9 @@ fn validateVarType(
17958	18012
17959	18013	const src_decl = mod.declPtr(block.src_decl);
17960	18014	try sema.explainWhyTypeIsComptime(block, src, msg, src.toSrcLoc(src_decl), var_ty);
	18015	if (var_ty.zigTypeTag() == .ComptimeInt or var_ty.zigTypeTag() == .ComptimeFloat) {
	18016	try sema.errNote(block, src, msg, "to modify this variable at runtime, it must be given an explicit fixed-size number type", .{});
	18017	}
17961	18018
17962	18019	break :msg msg;
17963	18020	};
...	...	@@ -19445,6 +19502,34 @@ fn elemVal(
19445	19502	}
19446	19503	}
19447	19504
	19505	fn validateRuntimeElemAccess(
	19506	sema: *Sema,
	19507	block: *Block,
	19508	elem_index_src: LazySrcLoc,
	19509	elem_ty: Type,
	19510	parent_ty: Type,
	19511	parent_src: LazySrcLoc,
	19512	) CompileError!void {
	19513	const valid_rt = try sema.validateRunTimeType(block, elem_index_src, elem_ty, false);
	19514	if (!valid_rt) {
	19515	const msg = msg: {
	19516	const msg = try sema.errMsg(
	19517	block,
	19518	elem_index_src,
	19519	"values of type '{}' must be comptime known, but index value is runtime known",
	19520	.{parent_ty.fmt(sema.mod)},
	19521	);
	19522	errdefer msg.destroy(sema.gpa);
	19523
	19524	const src_decl = sema.mod.declPtr(block.src_decl);
	19525	try sema.explainWhyTypeIsComptime(block, elem_index_src, msg, parent_src.toSrcLoc(src_decl), parent_ty);
	19526
	19527	break :msg msg;
	19528	};
	19529	return sema.failWithOwnedErrorMsg(block, msg);
	19530	}
	19531	}
	19532
19448	19533	fn tupleFieldPtr(
19449	19534	sema: *Sema,
19450	19535	block: *Block,
...	...	@@ -19485,6 +19570,8 @@ fn tupleFieldPtr(
19485	19570	);
19486	19571	}
19487	19572
	19573	try sema.validateRuntimeElemAccess(block, field_index_src, field_ty, tuple_ty, tuple_ptr_src);
	19574
19488	19575	try sema.requireRuntimeBlock(block, tuple_ptr_src);
19489	19576	return block.addStructFieldPtr(tuple_ptr, field_index, ptr_field_ty);
19490	19577	}
...	...	@@ -19523,6 +19610,8 @@ fn tupleField(
19523	19610	return sema.addConstant(field_ty, field_values[field_index]);
19524	19611	}
19525	19612
	19613	try sema.validateRuntimeElemAccess(block, field_index_src, field_ty, tuple_ty, tuple_src);
	19614
19526	19615	try sema.requireRuntimeBlock(block, tuple_src);
19527	19616	return block.addStructFieldVal(tuple, field_index, field_ty);
19528	19617	}
...	...	@@ -19573,24 +19662,7 @@ fn elemValArray(
19573	19662	}
19574	19663	}
19575	19664
19576		const valid_rt = try sema.validateRunTimeType(block, elem_index_src, elem_ty, false);
19577		if (!valid_rt) {
19578		const msg = msg: {
19579		const msg = try sema.errMsg(
19580		block,
19581		elem_index_src,
19582		"values of type '{}' must be comptime known, but index value is runtime known",
19583		.{array_ty.fmt(sema.mod)},
19584		);
19585		errdefer msg.destroy(sema.gpa);
19586
19587		const src_decl = sema.mod.declPtr(block.src_decl);
19588		try sema.explainWhyTypeIsComptime(block, elem_index_src, msg, array_src.toSrcLoc(src_decl), array_ty);
19589
19590		break :msg msg;
19591		};
19592		return sema.failWithOwnedErrorMsg(block, msg);
19593		}
	19665	try sema.validateRuntimeElemAccess(block, elem_index_src, elem_ty, array_ty, array_src);
19594	19666
19595	19667	const runtime_src = if (maybe_undef_array_val != null) elem_index_src else array_src;
19596	19668	try sema.requireRuntimeBlock(block, runtime_src);
...	...	@@ -19648,23 +19720,8 @@ fn elemPtrArray(
19648	19720	}
19649	19721	}
19650	19722
19651		const valid_rt = try sema.validateRunTimeType(block, elem_index_src, array_ty.elemType2(), false);
19652		if (!valid_rt and !init) {
19653		const msg = msg: {
19654		const msg = try sema.errMsg(
19655		block,
19656		elem_index_src,
19657		"values of type '{}' must be comptime known, but index value is runtime known",
19658		.{array_ty.fmt(sema.mod)},
19659		);
19660		errdefer msg.destroy(sema.gpa);
19661
19662		const src_decl = sema.mod.declPtr(block.src_decl);
19663		try sema.explainWhyTypeIsComptime(block, elem_index_src, msg, array_ptr_src.toSrcLoc(src_decl), array_ty);
19664
19665		break :msg msg;
19666		};
19667		return sema.failWithOwnedErrorMsg(block, msg);
	19723	if (!init) {
	19724	try sema.validateRuntimeElemAccess(block, elem_index_src, array_ty.elemType2(), array_ty, array_ptr_src);
19668	19725	}
19669	19726
19670	19727	const runtime_src = if (maybe_undef_array_ptr_val != null) elem_index_src else array_ptr_src;
...	...	@@ -19720,6 +19777,8 @@ fn elemValSlice(
19720	19777	}
19721	19778	}
19722	19779
	19780	try sema.validateRuntimeElemAccess(block, elem_index_src, elem_ty, slice_ty, slice_src);
	19781
19723	19782	try sema.requireRuntimeBlock(block, runtime_src);
19724	19783	if (block.wantSafety()) {
19725	19784	const len_inst = if (maybe_slice_val) \|slice_val\|
...	...	@@ -19773,6 +19832,8 @@ fn elemPtrSlice(
19773	19832	}
19774	19833	}
19775	19834
	19835	try sema.validateRuntimeElemAccess(block, elem_index_src, elem_ptr_ty, slice_ty, slice_src);
	19836
19776	19837	const runtime_src = if (maybe_undef_slice_val != null) elem_index_src else slice_src;
19777	19838	try sema.requireRuntimeBlock(block, runtime_src);
19778	19839	if (block.wantSafety()) {
...	...	@@ -20042,6 +20103,15 @@ fn coerce(
20042	20103	});
20043	20104	return sema.addConstant(dest_ty, slice_val);
20044	20105	}
	20106
	20107	if (inst_ty.zigTypeTag() == .Array) {
	20108	return sema.fail(
	20109	block,
	20110	inst_src,
	20111	"array literal requires address-of operator (&) to coerce to slice type '{}'",
	20112	.{dest_ty.fmt(sema.mod)},
	20113	);
	20114	}
20045	20115	},
20046	20116	.Many => p: {
20047	20117	if (!inst_ty.isSlice()) break :p;
...	...	@@ -22368,7 +22438,7 @@ fn analyzeLoad(
22368	22438	}
22369	22439
22370	22440	if (try sema.resolveDefinedValue(block, ptr_src, ptr)) \|ptr_val\| {
22371		if (try sema.pointerDeref(block, ptr_src, ptr_val, ptr_ty)) \|elem_val\| {
	22441	if (try sema.pointerDeref(block, src, ptr_val, ptr_ty)) \|elem_val\| {
22372	22442	return sema.addConstant(elem_ty, elem_val);
22373	22443	}
22374	22444	if (block.is_typeof) {
...	...	@@ -22543,9 +22613,9 @@ fn analyzeSlice(
22543	22613	sentinel_opt: Air.Inst.Ref,
22544	22614	sentinel_src: LazySrcLoc,
22545	22615	) CompileError!Air.Inst.Ref {
22546		const ptr_src = src; // TODO better source location
22547		const start_src = src; // TODO better source location
22548		const end_src = src; // TODO better source location
	22616	const ptr_src: LazySrcLoc = .{ .node_offset_slice_ptr = src.node_offset.x };
	22617	const start_src: LazySrcLoc = .{ .node_offset_slice_start = src.node_offset.x };
	22618	const end_src: LazySrcLoc = .{ .node_offset_slice_end = src.node_offset.x };
22549	22619	// Slice expressions can operate on a variable whose type is an array. This requires
22550	22620	// the slice operand to be a pointer. In the case of a non-array, it will be a double pointer.
22551	22621	const ptr_ptr_ty = sema.typeOf(ptr_ptr);
...	...	@@ -22575,7 +22645,7 @@ fn analyzeSlice(
22575	22645	array_ty = double_child_ty;
22576	22646	elem_ty = double_child_ty.childType();
22577	22647	} else {
22578		return sema.fail(block, ptr_src, "slice of single-item pointer", .{});
	22648	return sema.fail(block, src, "slice of single-item pointer", .{});
22579	22649	}
22580	22650	},
22581	22651	.Many, .C => {
...	...	@@ -22588,7 +22658,7 @@ fn analyzeSlice(
22588	22658	if (ptr_ptr_child_ty.ptrSize() == .C) {
22589	22659	if (try sema.resolveDefinedValue(block, ptr_src, ptr_or_slice)) \|ptr_val\| {
22590	22660	if (ptr_val.isNull()) {
22591		return sema.fail(block, ptr_src, "slice of null pointer", .{});
	22661	return sema.fail(block, src, "slice of null pointer", .{});
22592	22662	}
22593	22663	}
22594	22664	}
...	...	@@ -22601,7 +22671,7 @@ fn analyzeSlice(
22601	22671	elem_ty = ptr_ptr_child_ty.childType();
22602	22672	},
22603	22673	},
22604		else => return sema.fail(block, ptr_src, "slice of non-array type '{}'", .{ptr_ptr_child_ty.fmt(mod)}),
	22674	else => return sema.fail(block, src, "slice of non-array type '{}'", .{ptr_ptr_child_ty.fmt(mod)}),
22605	22675	}
22606	22676
22607	22677	const ptr = if (slice_ty.isSlice())
...	...	@@ -22774,7 +22844,7 @@ fn analyzeSlice(
22774	22844	return sema.addConstUndef(return_ty);
22775	22845	}
22776	22846
22777		return sema.fail(block, ptr_src, "non-zero length slice of undefined pointer", .{});
	22847	return sema.fail(block, src, "non-zero length slice of undefined pointer", .{});
22778	22848	}
22779	22849
22780	22850	const return_ty = try Type.ptr(sema.arena, mod, .{
...	...	@@ -24434,6 +24504,10 @@ fn semaUnionFields(block: Block, mod: Module, union_obj: *Module.Union) Compil
24434	24504	} else {
24435	24505	// The provided type is the enum tag type.
24436	24506	union_obj.tag_ty = try provided_ty.copy(decl_arena_allocator);
	24507	if (union_obj.tag_ty.zigTypeTag() != .Enum) {
	24508	const tag_ty_src = src; // TODO better source location
	24509	return sema.fail(block, tag_ty_src, "expected enum tag type, found '{}'", .{union_obj.tag_ty.fmt(sema.mod)});
	24510	}
24437	24511	// The fields of the union must match the enum exactly.
24438	24512	// Store a copy of the enum field names so we can check for
24439	24513	// missing or extraneous fields later.

src/TypedValue.zig+1

...	...	@@ -495,5 +495,6 @@ pub fn print(
495	495	},
496	496	.generic_poison_type => return writer.writeAll("(generic poison type)"),
497	497	.generic_poison => return writer.writeAll("(generic poison)"),
	498	.runtime_int => return writer.writeAll("[runtime value]"),
498	499	};
499	500	}

src/Zir.zig+21-22

...	...	@@ -212,7 +212,7 @@ pub const Inst = struct {
212	212	/// Uses the `pl_node` union field. Payload is `Bin`.
213	213	array_mul,
214	214	/// `[N]T` syntax. No source location provided.
215		/// Uses the `bin` union field. lhs is length, rhs is element type.
	215	/// Uses the `pl_node` union field. Payload is `Bin`. lhs is length, rhs is element type.
216	216	array_type,
217	217	/// `[N:S]T` syntax. Source location is the array type expression node.
218	218	/// Uses the `pl_node` union field. Payload is `ArrayTypeSentinel`.
...	...	@@ -244,7 +244,7 @@ pub const Inst = struct {
244	244	/// Uses the pl_node field with payload `Bin`.
245	245	bitcast,
246	246	/// Bitwise NOT. `~`
247		/// Uses `un_node`.
	247	/// Uses `un_tok`.
248	248	bit_not,
249	249	/// Bitwise OR. `\|`
250	250	bit_or,
...	...	@@ -260,7 +260,7 @@ pub const Inst = struct {
260	260	/// Uses the `pl_node` union field. Payload is `Block`.
261	261	suspend_block,
262	262	/// Boolean NOT. See also `bit_not`.
263		/// Uses the `un_node` field.
	263	/// Uses the `un_tok` field.
264	264	bool_not,
265	265	/// Short-circuiting boolean `and`. `lhs` is a boolean `Ref` and the other operand
266	266	/// is a block, which is evaluated if `lhs` is `true`.
...	...	@@ -729,7 +729,7 @@ pub const Inst = struct {
729	729	/// resulting array initialization value is within a comptime scope.
730	730	validate_array_init_comptime,
731	731	/// Check that operand type supports the dereference operand (.*).
732		/// Uses the `un_tok` field.
	732	/// Uses the `un_node` field.
733	733	validate_deref,
734	734	/// A struct literal with a specified type, with no fields.
735	735	/// Uses the `un_node` field.
...	...	@@ -778,10 +778,6 @@ pub const Inst = struct {
778	778	/// Implement builtin `@ptrToInt`. Uses `un_node`.
779	779	/// Convert a pointer to a `usize` integer.
780	780	ptr_to_int,
781		/// Implement builtin `@errToInt`. Uses `un_node`.
782		error_to_int,
783		/// Implement builtin `@intToError`. Uses `un_node`.
784		int_to_error,
785	781	/// Emit an error message and fail compilation.
786	782	/// Uses the `un_node` field.
787	783	compile_error,
...	...	@@ -802,6 +798,8 @@ pub const Inst = struct {
802	798	error_name,
803	799	/// Implement builtin `@panic`. Uses `un_node`.
804	800	panic,
	801	/// Same as `panic` but forces comptime.
	802	panic_comptime,
805	803	/// Implement builtin `@setCold`. Uses `un_node`.
806	804	set_cold,
807	805	/// Implement builtin `@setRuntimeSafety`. Uses `un_node`.
...	...	@@ -916,9 +914,6 @@ pub const Inst = struct {
916	914	/// Implements the `@shuffle` builtin.
917	915	/// Uses the `pl_node` union field with payload `Shuffle`.
918	916	shuffle,
919		/// Implements the `@select` builtin.
920		/// Uses the `pl_node` union field with payload `Select`.
921		select,
922	917	/// Implements the `@atomicLoad` builtin.
923	918	/// Uses the `pl_node` union field with payload `AtomicLoad`.
924	919	atomic_load,
...	...	@@ -1125,8 +1120,6 @@ pub const Inst = struct {
1125	1120	.err_union_payload_unsafe_ptr,
1126	1121	.err_union_code,
1127	1122	.err_union_code_ptr,
1128		.error_to_int,
1129		.int_to_error,
1130	1123	.ptr_type,
1131	1124	.ptr_type_simple,
1132	1125	.ensure_err_payload_void,
...	...	@@ -1230,7 +1223,6 @@ pub const Inst = struct {
1230	1223	.splat,
1231	1224	.reduce,
1232	1225	.shuffle,
1233		.select,
1234	1226	.atomic_load,
1235	1227	.atomic_rmw,
1236	1228	.atomic_store,
...	...	@@ -1270,6 +1262,7 @@ pub const Inst = struct {
1270	1262	.repeat,
1271	1263	.repeat_inline,
1272	1264	.panic,
	1265	.panic_comptime,
1273	1266	=> true,
1274	1267	};
1275	1268	}
...	...	@@ -1423,8 +1416,6 @@ pub const Inst = struct {
1423	1416	.err_union_payload_unsafe_ptr,
1424	1417	.err_union_code,
1425	1418	.err_union_code_ptr,
1426		.error_to_int,
1427		.int_to_error,
1428	1419	.ptr_type,
1429	1420	.ptr_type_simple,
1430	1421	.enum_literal,
...	...	@@ -1516,7 +1507,6 @@ pub const Inst = struct {
1516	1507	.splat,
1517	1508	.reduce,
1518	1509	.shuffle,
1519		.select,
1520	1510	.atomic_load,
1521	1511	.atomic_rmw,
1522	1512	.mul_add,
...	...	@@ -1546,6 +1536,7 @@ pub const Inst = struct {
1546	1536	.repeat,
1547	1537	.repeat_inline,
1548	1538	.panic,
	1539	.panic_comptime,
1549	1540	.@"try",
1550	1541	.try_ptr,
1551	1542	//.try_inline,
...	...	@@ -1580,7 +1571,7 @@ pub const Inst = struct {
1580	1571	.param_anytype_comptime = .str_tok,
1581	1572	.array_cat = .pl_node,
1582	1573	.array_mul = .pl_node,
1583		.array_type = .bin,
	1574	.array_type = .pl_node,
1584	1575	.array_type_sentinel = .pl_node,
1585	1576	.vector_type = .pl_node,
1586	1577	.elem_type_index = .bin,
...	...	@@ -1713,7 +1704,7 @@ pub const Inst = struct {
1713	1704	.validate_struct_init_comptime = .pl_node,
1714	1705	.validate_array_init = .pl_node,
1715	1706	.validate_array_init_comptime = .pl_node,
1716		.validate_deref = .un_tok,
	1707	.validate_deref = .un_node,
1717	1708	.struct_init_empty = .un_node,
1718	1709	.field_type = .pl_node,
1719	1710	.field_type_ref = .pl_node,
...	...	@@ -1731,8 +1722,6 @@ pub const Inst = struct {
1731	1722	.bit_size_of = .un_node,
1732	1723
1733	1724	.ptr_to_int = .un_node,
1734		.error_to_int = .un_node,
1735		.int_to_error = .un_node,
1736	1725	.compile_error = .un_node,
1737	1726	.set_eval_branch_quota = .un_node,
1738	1727	.enum_to_int = .un_node,
...	...	@@ -1741,6 +1730,7 @@ pub const Inst = struct {
1741	1730	.embed_file = .un_node,
1742	1731	.error_name = .un_node,
1743	1732	.panic = .un_node,
	1733	.panic_comptime = .un_node,
1744	1734	.set_cold = .un_node,
1745	1735	.set_runtime_safety = .un_node,
1746	1736	.sqrt = .un_node,
...	...	@@ -1802,7 +1792,6 @@ pub const Inst = struct {
1802	1792	.splat = .pl_node,
1803	1793	.reduce = .pl_node,
1804	1794	.shuffle = .pl_node,
1805		.select = .pl_node,
1806	1795	.atomic_load = .pl_node,
1807	1796	.atomic_rmw = .pl_node,
1808	1797	.atomic_store = .pl_node,
...	...	@@ -1971,6 +1960,15 @@ pub const Inst = struct {
1971	1960	await_nosuspend,
1972	1961	/// `operand` is `src_node: i32`.
1973	1962	breakpoint,
	1963	/// Implements the `@select` builtin.
	1964	/// operand` is payload index to `Select`.
	1965	select,
	1966	/// Implement builtin `@errToInt`.
	1967	/// `operand` is payload index to `UnNode`.
	1968	error_to_int,
	1969	/// Implement builtin `@intToError`.
	1970	/// `operand` is payload index to `UnNode`.
	1971	int_to_error,
1974	1972
1975	1973	pub const InstData = struct {
1976	1974	opcode: Extended,
...	...	@@ -3448,6 +3446,7 @@ pub const Inst = struct {
3448	3446	};
3449	3447
3450	3448	pub const Select = struct {
	3449	node: i32,
3451	3450	elem_type: Ref,
3452	3451	pred: Ref,
3453	3452	a: Ref,

src/print_zir.zig+9-8

...	...	@@ -142,7 +142,6 @@ const Writer = struct {
142	142	const tag = tags[inst];
143	143	try stream.print("= {s}(", .{@tagName(tags[inst])});
144	144	switch (tag) {
145		.array_type,
146	145	.as,
147	146	.store,
148	147	.store_to_block_ptr,
...	...	@@ -189,8 +188,6 @@ const Writer = struct {
189	188	.typeof_log2_int_type,
190	189	.log2_int_type,
191	190	.ptr_to_int,
192		.error_to_int,
193		.int_to_error,
194	191	.compile_error,
195	192	.set_eval_branch_quota,
196	193	.enum_to_int,
...	...	@@ -199,6 +196,7 @@ const Writer = struct {
199	196	.embed_file,
200	197	.error_name,
201	198	.panic,
	199	.panic_comptime,
202	200	.set_cold,
203	201	.set_runtime_safety,
204	202	.sqrt,
...	...	@@ -284,7 +282,6 @@ const Writer = struct {
284	282	.memcpy => try self.writeMemcpy(stream, inst),
285	283	.memset => try self.writeMemset(stream, inst),
286	284	.shuffle => try self.writeShuffle(stream, inst),
287		.select => try self.writeSelect(stream, inst),
288	285	.mul_add => try self.writeMulAdd(stream, inst),
289	286	.field_parent_ptr => try self.writeFieldParentPtr(stream, inst),
290	287	.builtin_call => try self.writeBuiltinCall(stream, inst),
...	...	@@ -356,6 +353,7 @@ const Writer = struct {
356	353	.elem_ptr,
357	354	.elem_val,
358	355	.coerce_result_ptr,
	356	.array_type,
359	357	=> try self.writePlNodeBin(stream, inst),
360	358
361	359	.elem_ptr_imm => try self.writeElemPtrImm(stream, inst),
...	...	@@ -478,6 +476,8 @@ const Writer = struct {
478	476	.compile_log => try self.writeNodeMultiOp(stream, extended),
479	477	.typeof_peer => try self.writeTypeofPeer(stream, extended),
480	478
	479	.select => try self.writeSelect(stream, extended),
	480
481	481	.add_with_overflow,
482	482	.sub_with_overflow,
483	483	.mul_with_overflow,
...	...	@@ -496,6 +496,8 @@ const Writer = struct {
496	496	.set_float_mode,
497	497	.set_align_stack,
498	498	.wasm_memory_size,
	499	.error_to_int,
	500	.int_to_error,
499	501	=> {
500	502	const inst_data = self.code.extraData(Zir.Inst.UnNode, extended.operand).data;
501	503	const src = LazySrcLoc.nodeOffset(inst_data.node);
...	...	@@ -772,9 +774,8 @@ const Writer = struct {
772	774	try self.writeSrc(stream, inst_data.src());
773	775	}
774	776
775		fn writeSelect(self: *Writer, stream: anytype, inst: Zir.Inst.Index) !void {
776		const inst_data = self.code.instructions.items(.data)[inst].pl_node;
777		const extra = self.code.extraData(Zir.Inst.Select, inst_data.payload_index).data;
	777	fn writeSelect(self: *Writer, stream: anytype, extended: Zir.Inst.Extended.InstData) !void {
	778	const extra = self.code.extraData(Zir.Inst.Select, extended.operand).data;
778	779	try self.writeInstRef(stream, extra.elem_type);
779	780	try stream.writeAll(", ");
780	781	try self.writeInstRef(stream, extra.pred);
...	...	@@ -783,7 +784,7 @@ const Writer = struct {
783	784	try stream.writeAll(", ");
784	785	try self.writeInstRef(stream, extra.b);
785	786	try stream.writeAll(") ");
786		try self.writeSrc(stream, inst_data.src());
	787	try self.writeSrc(stream, LazySrcLoc.nodeOffset(extra.node));
787	788	}
788	789
789	790	fn writeMulAdd(self: *Writer, stream: anytype, inst: Zir.Inst.Index) !void {

src/value.zig+8

...	...	@@ -111,6 +111,7 @@ pub const Value = extern union {
111	111	int_i64,
112	112	int_big_positive,
113	113	int_big_negative,
	114	runtime_int,
114	115	function,
115	116	extern_fn,
116	117	variable,
...	...	@@ -304,6 +305,7 @@ pub const Value = extern union {
304	305	.int_type => Payload.IntType,
305	306	.int_u64 => Payload.U64,
306	307	.int_i64 => Payload.I64,
	308	.runtime_int => Payload.U64,
307	309	.function => Payload.Function,
308	310	.variable => Payload.Variable,
309	311	.decl_ref_mut => Payload.DeclRefMut,
...	...	@@ -483,6 +485,7 @@ pub const Value = extern union {
483	485	},
484	486	.int_type => return self.copyPayloadShallow(arena, Payload.IntType),
485	487	.int_u64 => return self.copyPayloadShallow(arena, Payload.U64),
	488	.runtime_int => return self.copyPayloadShallow(arena, Payload.U64),
486	489	.int_i64 => return self.copyPayloadShallow(arena, Payload.I64),
487	490	.int_big_positive, .int_big_negative => {
488	491	const old_payload = self.cast(Payload.BigInt).?;
...	...	@@ -762,6 +765,7 @@ pub const Value = extern union {
762	765	.int_i64 => return std.fmt.formatIntValue(val.castTag(.int_i64).?.data, "", options, out_stream),
763	766	.int_big_positive => return out_stream.print("{}", .{val.castTag(.int_big_positive).?.asBigInt()}),
764	767	.int_big_negative => return out_stream.print("{}", .{val.castTag(.int_big_negative).?.asBigInt()}),
	768	.runtime_int => return out_stream.writeAll("[runtime value]"),
765	769	.function => return out_stream.print("(function decl={d})", .{val.castTag(.function).?.data.owner_decl}),
766	770	.extern_fn => return out_stream.writeAll("(extern function)"),
767	771	.variable => return out_stream.writeAll("(variable)"),
...	...	@@ -1077,6 +1081,8 @@ pub const Value = extern union {
1077	1081	.int_big_positive => return val.castTag(.int_big_positive).?.asBigInt(),
1078	1082	.int_big_negative => return val.castTag(.int_big_negative).?.asBigInt(),
1079	1083
	1084	.runtime_int => return BigIntMutable.init(&space.limbs, val.castTag(.runtime_int).?.data).toConst(),
	1085
1080	1086	.undef => unreachable,
1081	1087
1082	1088	.lazy_align => {
...	...	@@ -1132,6 +1138,8 @@ pub const Value = extern union {
1132	1138	.int_big_positive => return val.castTag(.int_big_positive).?.asBigInt().to(u64) catch null,
1133	1139	.int_big_negative => return val.castTag(.int_big_negative).?.asBigInt().to(u64) catch null,
1134	1140
	1141	.runtime_int => return val.castTag(.runtime_int).?.data,
	1142
1135	1143	.undef => unreachable,
1136	1144
1137	1145	.lazy_align => {

test/cases/compile_errors/array_access_of_type.zig created+10

...	...	@@ -0,0 +1,10 @@
	1	export fn foo() void {
	2	var b: u8[40] = undefined;
	3	_ = b;
	4	}
	5
	6	// error
	7	// backend=stage2
	8	// target=native
	9	//
	10	// :2:14: error: element access of non-indexable type 'type'

test/cases/compile_errors/invalid_array_elem_ty.zig+1-1

...	...	@@ -9,4 +9,4 @@ pub export fn entry() void {
9	9	// target=native
10	10	// backend=stage2
11	11	//
12		// :4:1: error: expected type 'type', found 'fn() type'
	12	// :5:12: error: expected type 'type', found 'fn() type'

test/cases/compile_errors/method_call_with_first_arg_type_primitive.zig created+21

...	...	@@ -0,0 +1,21 @@
	1	const Foo = struct {
	2	x: i32,
	3
	4	fn init(x: i32) Foo {
	5	return Foo {
	6	.x = x,
	7	};
	8	}
	9	};
	10
	11	export fn f() void {
	12	const derp = Foo.init(3);
	13
	14	derp.init();
	15	}
	16
	17	// error
	18	// backend=stage2
	19	// target=native
	20	//
	21	// :14:9: error: type 'tmp.Foo' has no field or member function named 'init'

test/cases/compile_errors/method_call_with_first_arg_type_wrong_container.zig created+30

...	...	@@ -0,0 +1,30 @@
	1	pub const List = struct {
	2	len: usize,
	3	allocator: *Allocator,
	4
	5	pub fn init(allocator: *Allocator) List {
	6	return List {
	7	.len = 0,
	8	.allocator = allocator,
	9	};
	10	}
	11	};
	12
	13	pub var global_allocator = Allocator {
	14	.field = 1234,
	15	};
	16
	17	pub const Allocator = struct {
	18	field: i32,
	19	};
	20
	21	export fn foo() void {
	22	var x = List.init(&global_allocator);
	23	x.init();
	24	}
	25
	26	// error
	27	// backend=llvm
	28	// target=native
	29	//
	30	// :23:6: error: type 'tmp.List' has no field or member function named 'init'

test/cases/compile_errors/missing_const_in_slice_with_nested_array_type.zig created+18

...	...	@@ -0,0 +1,18 @@
	1	const Geo3DTex2D = struct { vertices: [][2]f32 };
	2	pub fn getGeo3DTex2D() Geo3DTex2D {
	3	return Geo3DTex2D{
	4	.vertices = [_][2]f32{
	5	[_]f32{ -0.5, -0.5},
	6	},
	7	};
	8	}
	9	export fn entry() void {
	10	var geo_data = getGeo3DTex2D();
	11	_ = geo_data;
	12	}
	13
	14	// error
	15	// backend=llvm
	16	// target=native
	17	//
	18	// :4:30: error: array literal requires address-of operator (&) to coerce to slice type '[][2]f32'

test/cases/compile_errors/mul_overflow_in_function_evaluation.zig created+14

...	...	@@ -0,0 +1,14 @@
	1	const y = mul(300, 6000);
	2	fn mul(a: u16, b: u16) u16 {
	3	return a * b;
	4	}
	5
	6	export fn entry() usize { return @sizeOf(@TypeOf(&y)); }
	7
	8	// error
	9	// backend=stage2
	10	// target=native
	11	//
	12	// :3:14: error: overflow of integer type 'u16' with value '1800000'
	13	// :1:14: note: called from here
	14

test/cases/compile_errors/negation_overflow_in_function_evaluation.zig created+13

...	...	@@ -0,0 +1,13 @@
	1	const y = neg(-128);
	2	fn neg(x: i8) i8 {
	3	return -x;
	4	}
	5
	6	export fn entry() usize { return @sizeOf(@TypeOf(&y)); }
	7
	8	// error
	9	// backend=stage2
	10	// target=native
	11	//
	12	// :3:12: error: overflow of integer type 'i8' with value '128'
	13	// :1:14: note: called from here

test/cases/compile_errors/no_else_prong_on_switch_on_global_error_set.zig created+14

...	...	@@ -0,0 +1,14 @@
	1	export fn entry() void {
	2	foo(error.A);
	3	}
	4	fn foo(a: anyerror) void {
	5	switch (a) {
	6	error.A => {},
	7	}
	8	}
	9
	10	// error
	11	// backend=stage2
	12	// target=native
	13	//
	14	// :5:5: error: else prong required when switching on type 'anyerror'

test/cases/compile_errors/non-const_variables_of_things_that_require_const_variables.zig created+44

...	...	@@ -0,0 +1,44 @@
	1	export fn entry1() void {
	2	var m2 = &2;
	3	_ = m2;
	4	}
	5	export fn entry2() void {
	6	var a = undefined;
	7	_ = a;
	8	}
	9	export fn entry3() void {
	10	var b = 1;
	11	_ = b;
	12	}
	13	export fn entry4() void {
	14	var c = 1.0;
	15	_ = c;
	16	}
	17	export fn entry5() void {
	18	var d = null;
	19	_ = d;
	20	}
	21	export fn entry6(opaque_: *Opaque) void {
	22	var e = opaque_.*;
	23	_ = e;
	24	}
	25	export fn entry7() void {
	26	var f = i32;
	27	_ = f;
	28	}
	29	const Opaque = opaque {};
	30
	31	// error
	32	// backend=stage2
	33	// target=native
	34	//
	35	// :2:8: error: variable of type '*const comptime_int' must be const or comptime
	36	// :6:8: error: variable of type '@TypeOf(undefined)' must be const or comptime
	37	// :10:8: error: variable of type 'comptime_int' must be const or comptime
	38	// :10:8: note: to modify this variable at runtime, it must be given an explicit fixed-size number type
	39	// :14:8: error: variable of type 'comptime_float' must be const or comptime
	40	// :14:8: note: to modify this variable at runtime, it must be given an explicit fixed-size number type
	41	// :18:8: error: variable of type '@TypeOf(null)' must be const or comptime
	42	// :22:19: error: values of type 'tmp.Opaque' must be comptime known, but operand value is runtime known
	43	// :26:8: error: variable of type 'type' must be const or comptime
	44	// :26:8: note: types are not available at runtime

test/cases/compile_errors/non-inline_for_loop_on_a_type_that_requires_comptime.zig created+16

...	...	@@ -0,0 +1,16 @@
	1	const Foo = struct {
	2	name: []const u8,
	3	T: type,
	4	};
	5	export fn entry() void {
	6	const xx: [2]Foo = .{ .{ .name = "", .T = u8 }, .{ .name = "", .T = u8 } };
	7	for (xx) \|f\| { _ = f;}
	8	}
	9
	10	// error
	11	// backend=stage2
	12	// target=native
	13	//
	14	// :7:10: error: values of type '[2]tmp.Foo' must be comptime known, but index value is runtime known
	15	// :3:8: note: struct requires comptime because of this field
	16	// :3:8: note: types are not available at runtime

test/cases/compile_errors/non_constant_expression_in_array_size.zig created+14

...	...	@@ -0,0 +1,14 @@
	1	const Foo = struct {
	2	y: [get()]u8,
	3	};
	4	var global_var: usize = 1;
	5	fn get() usize { return global_var; }
	6
	7	export fn entry() usize { return @offsetOf(Foo, "y"); }
	8
	9	// error
	10	// backend=stage2
	11	// target=native
	12	//
	13	// :5:25: error: unable to resolve comptime value
	14	// :2:15: note: called from here

test/cases/compile_errors/non_error_sets_used_in_merge_error_sets_operator.zig created+15

...	...	@@ -0,0 +1,15 @@
	1	export fn foo() void {
	2	const Errors = u8 \|\| u16;
	3	_ = Errors;
	4	}
	5	export fn bar() void {
	6	const Errors = error{} \|\| u16;
	7	_ = Errors;
	8	}
	9
	10	// error
	11	// backend=stage2
	12	// target=native
	13	//
	14	// :2:20: error: expected error set type, found 'u8'
	15	// :6:31: error: expected error set type, found 'u16'

test/cases/compile_errors/panic_called_at_compile_time.zig created+11

...	...	@@ -0,0 +1,11 @@
	1	export fn entry() void {
	2	comptime {
	3	@panic("aoeu",);
	4	}
	5	}
	6
	7	// error
	8	// backend=stage2
	9	// target=native
	10	//
	11	// :3:9: error: encountered @panic at comptime

test/cases/compile_errors/range_operator_in_switch_used_on_error_set.zig created+20

...	...	@@ -0,0 +1,20 @@
	1	export fn entry() void {
	2	foo(452) catch \|err\| switch (err) {
	3	error.Foo ... error.Bar => {},
	4	else => {},
	5	};
	6	}
	7	fn foo(x: i32) !void {
	8	switch (x) {
	9	0 ... 10 => return error.Foo,
	10	11 ... 20 => return error.Bar,
	11	else => {},
	12	}
	13	}
	14
	15	// error
	16	// backend=llvm
	17	// target=native
	18	//
	19	// :2:34: error: ranges not allowed when switching on type '@typeInfo(@typeInfo(@TypeOf(tmp.foo)).Fn.return_type.?).ErrorUnion.error_set'
	20	// :3:19: note: range here

test/cases/compile_errors/reading_past_end_of_pointer_casted_array.zig created+13

...	...	@@ -0,0 +1,13 @@
	1	comptime {
	2	const array: [4]u8 = "aoeu".*;
	3	const sub_array = array[1..];
	4	const int_ptr = @ptrCast(*const u24, sub_array);
	5	const deref = int_ptr.*;
	6	_ = deref;
	7	}
	8
	9	// error
	10	// backend=stage2
	11	// target=native
	12	//
	13	// :5:26: error: dereference of '*const u24' exceeds bounds of containing decl of type '[4]u8'

test/cases/compile_errors/runtime_index_into_comptime_type_slice.zig created+19

...	...	@@ -0,0 +1,19 @@
	1	const Struct = struct {
	2	a: u32,
	3	};
	4	fn getIndex() usize {
	5	return 2;
	6	}
	7	export fn entry() void {
	8	const index = getIndex();
	9	const field = @typeInfo(Struct).Struct.fields[index];
	10	_ = field;
	11	}
	12
	13	// error
	14	// backend=stage2
	15	// target=native
	16	//
	17	// :9:51: error: values of type '[]const builtin.Type.StructField' must be comptime known, but index value is runtime known
	18	// :?:21: note: struct requires comptime because of this field
	19	// :?:21: note: types are not available at runtime

test/cases/compile_errors/setAlignStack_in_inline_function.zig created+23

...	...	@@ -0,0 +1,23 @@
	1	export fn entry() void {
	2	foo();
	3	}
	4	fn foo() callconv(.Inline) void {
	5	@setAlignStack(16);
	6	}
	7
	8	export fn entry1() void {
	9	comptime bar();
	10	}
	11	fn bar() void {
	12	@setAlignStack(16);
	13	}
	14
	15
	16	// error
	17	// backend=stage2
	18	// target=native
	19	//
	20	// :5:5: error: @setAlignStack in inline function
	21	// :2:8: note: called from here
	22	// :12:5: error: @setAlignStack in inline call
	23	// :9:17: note: called from here

test/cases/compile_errors/signed_integer_remainder_division.zig created+9

...	...	@@ -0,0 +1,9 @@
	1	export fn foo(a: i32, b: i32) i32 {
	2	return a % b;
	3	}
	4
	5	// error
	6	// backend=stage2
	7	// target=native
	8	//
	9	// :2:12: error: remainder division with 'i32' and 'i32': signed integers and floats must use @rem or @mod

test/cases/compile_errors/sizeOf_bad_type.zig created+9

...	...	@@ -0,0 +1,9 @@
	1	export fn entry() usize {
	2	return @sizeOf(@TypeOf(null));
	3	}
	4
	5	// error
	6	// backend=stage2
	7	// target=native
	8	//
	9	// :2:20: error: no size available for type '@TypeOf(null)'

test/cases/compile_errors/slice_cannot_have_its_bytes_reinterpreted.zig created+11

...	...	@@ -0,0 +1,11 @@
	1	export fn foo() void {
	2	const bytes = [1]u8{ 0xfa } ** 16;
	3	var value = @ptrCast(const []const u8, &bytes).;
	4	_ = value;
	5	}
	6
	7	// error
	8	// backend=stage2
	9	// target=native
	10	//
	11	// :3:52: error: comptime dereference requires '[]const u8' to have a well-defined layout, but it does not.

test/cases/compile_errors/slice_passed_as_array_init_type.zig created+11

...	...	@@ -0,0 +1,11 @@
	1	export fn entry() void {
	2	const x = []u8{};
	3	_ = x;
	4	}
	5
	6	// error
	7	// backend=stage2
	8	// target=native
	9	//
	10	// :2:19: error: type '[]u8' does not support array initialization syntax
	11	// :2:19: note: inferred array length is specified with an underscore: '[_]u8'

test/cases/compile_errors/slice_passed_as_array_init_type_with_elems.zig created+11

...	...	@@ -0,0 +1,11 @@
	1	export fn entry() void {
	2	const x = []u8{1, 2};
	3	_ = x;
	4	}
	5
	6	// error
	7	// backend=stage2
	8	// target=native
	9	//
	10	// :2:19: error: type '[]u8' does not support array initialization syntax
	11	// :2:19: note: inferred array length is specified with an underscore: '[_]u8'

test/cases/compile_errors/src_fields_runtime.zig created+14

...	...	@@ -0,0 +1,14 @@
	1	pub export fn entry1() void {
	2	const s = @src();
	3	comptime var a: []const u8 = s.file;
	4	comptime var b: []const u8 = s.fn_name;
	5	comptime var c: u32 = s.column;
	6	comptime var d: u32 = s.line;
	7	_ = a; _ = b; _ = c; _ = d;
	8	}
	9
	10	// error
	11	// backend=stage2
	12	// target=native
	13	//
	14	// :6:28: error: cannot store runtime value in compile time variable

test/cases/compile_errors/stage1/non_compile_time_array_concatenation.zig created+11

...	...	@@ -0,0 +1,11 @@
	1	fn f() []u8 {
	2	return s ++ "foo";
	3	}
	4	var s: [10]u8 = undefined;
	5	export fn entry() usize { return @sizeOf(@TypeOf(f)); }
	6
	7	// error
	8	// backend=stage1
	9	// target=native
	10	//
	11	// tmp.zig:2:12: error: unable to evaluate constant expression

test/cases/compile_errors/stage1/obj/array_access_of_type.zig deleted-10

...	...	@@ -1,10 +0,0 @@
1		export fn foo() void {
2		var b: u8[40] = undefined;
3		_ = b;
4		}
5
6		// error
7		// backend=stage1
8		// target=native
9		//
10		// tmp.zig:2:14: error: array access of non-array type 'type'

test/cases/compile_errors/stage1/obj/method_call_with_first_arg_type_primitive.zig deleted-21

...	...	@@ -1,21 +0,0 @@
1		const Foo = struct {
2		x: i32,
3
4		fn init(x: i32) Foo {
5		return Foo {
6		.x = x,
7		};
8		}
9		};
10
11		export fn f() void {
12		const derp = Foo.init(3);
13
14		derp.init();
15		}
16
17		// error
18		// backend=stage1
19		// target=native
20		//
21		// tmp.zig:14:5: error: expected type 'i32', found 'Foo'

test/cases/compile_errors/stage1/obj/method_call_with_first_arg_type_wrong_container.zig deleted-30

...	...	@@ -1,30 +0,0 @@
1		pub const List = struct {
2		len: usize,
3		allocator: *Allocator,
4
5		pub fn init(allocator: *Allocator) List {
6		return List {
7		.len = 0,
8		.allocator = allocator,
9		};
10		}
11		};
12
13		pub var global_allocator = Allocator {
14		.field = 1234,
15		};
16
17		pub const Allocator = struct {
18		field: i32,
19		};
20
21		export fn foo() void {
22		var x = List.init(&global_allocator);
23		x.init();
24		}
25
26		// error
27		// backend=stage1
28		// target=native
29		//
30		// tmp.zig:23:5: error: expected type 'Allocator', found 'List'

test/cases/compile_errors/stage1/obj/missing_const_in_slice_with_nested_array_type.zig deleted-18

...	...	@@ -1,18 +0,0 @@
1		const Geo3DTex2D = struct { vertices: [][2]f32 };
2		pub fn getGeo3DTex2D() Geo3DTex2D {
3		return Geo3DTex2D{
4		.vertices = [_][2]f32{
5		[_]f32{ -0.5, -0.5},
6		},
7		};
8		}
9		export fn entry() void {
10		var geo_data = getGeo3DTex2D();
11		_ = geo_data;
12		}
13
14		// error
15		// backend=stage1
16		// target=native
17		//
18		// tmp.zig:4:30: error: array literal requires address-of operator (&) to coerce to slice type '[][2]f32'

test/cases/compile_errors/stage1/obj/mul_overflow_in_function_evaluation.zig deleted-12

...	...	@@ -1,12 +0,0 @@
1		const y = mul(300, 6000);
2		fn mul(a: u16, b: u16) u16 {
3		return a * b;
4		}
5
6		export fn entry() usize { return @sizeOf(@TypeOf(y)); }
7
8		// error
9		// backend=stage1
10		// target=native
11		//
12		// tmp.zig:3:14: error: operation caused overflow

test/cases/compile_errors/stage1/obj/negation_overflow_in_function_evaluation.zig deleted-12

...	...	@@ -1,12 +0,0 @@
1		const y = neg(-128);
2		fn neg(x: i8) i8 {
3		return -x;
4		}
5
6		export fn entry() usize { return @sizeOf(@TypeOf(y)); }
7
8		// error
9		// backend=stage1
10		// target=native
11		//
12		// tmp.zig:3:12: error: negation caused overflow

test/cases/compile_errors/stage1/obj/no_else_prong_on_switch_on_global_error_set.zig deleted-14

...	...	@@ -1,14 +0,0 @@
1		export fn entry() void {
2		foo(error.A);
3		}
4		fn foo(a: anyerror) void {
5		switch (a) {
6		error.A => {},
7		}
8		}
9
10		// error
11		// backend=stage1
12		// target=native
13		//
14		// tmp.zig:5:5: error: else prong required when switching on type 'anyerror'

test/cases/compile_errors/stage1/obj/non-const_variables_of_things_that_require_const_variables.zig deleted-51

...	...	@@ -1,51 +0,0 @@
1		export fn entry1() void {
2		var m2 = &2;
3		_ = m2;
4		}
5		export fn entry2() void {
6		var a = undefined;
7		_ = a;
8		}
9		export fn entry3() void {
10		var b = 1;
11		_ = b;
12		}
13		export fn entry4() void {
14		var c = 1.0;
15		_ = c;
16		}
17		export fn entry5() void {
18		var d = null;
19		_ = d;
20		}
21		export fn entry6(opaque_: *Opaque) void {
22		var e = opaque_.*;
23		_ = e;
24		}
25		export fn entry7() void {
26		var f = i32;
27		_ = f;
28		}
29		export fn entry8() void {
30		var h = (Foo {}).bar;
31		_ = h;
32		}
33		const Opaque = opaque {};
34		const Foo = struct {
35		fn bar(self: *const Foo) void {_ = self;}
36		};
37
38		// error
39		// backend=stage1
40		// target=native
41		//
42		// tmp.zig:2:4: error: variable of type '*const comptime_int' must be const or comptime
43		// tmp.zig:6:4: error: variable of type '@Type(.Undefined)' must be const or comptime
44		// tmp.zig:10:4: error: variable of type 'comptime_int' must be const or comptime
45		// tmp.zig:10:4: note: to modify this variable at runtime, it must be given an explicit fixed-size number type
46		// tmp.zig:14:4: error: variable of type 'comptime_float' must be const or comptime
47		// tmp.zig:14:4: note: to modify this variable at runtime, it must be given an explicit fixed-size number type
48		// tmp.zig:18:4: error: variable of type '@Type(.Null)' must be const or comptime
49		// tmp.zig:22:4: error: variable of type 'Opaque' not allowed
50		// tmp.zig:26:4: error: variable of type 'type' must be const or comptime
51		// tmp.zig:30:4: error: variable of type '(bound fn(*const Foo) void)' must be const or comptime

test/cases/compile_errors/stage1/obj/non-inline_for_loop_on_a_type_that_requires_comptime.zig deleted-14

...	...	@@ -1,14 +0,0 @@
1		const Foo = struct {
2		name: []const u8,
3		T: type,
4		};
5		export fn entry() void {
6		const xx: [2]Foo = undefined;
7		for (xx) \|f\| { _ = f;}
8		}
9
10		// error
11		// backend=stage1
12		// target=native
13		//
14		// tmp.zig:7:5: error: values of type 'Foo' must be comptime known, but index value is runtime known

test/cases/compile_errors/stage1/obj/non_compile_time_array_concatenation.zig deleted-11

...	...	@@ -1,11 +0,0 @@
1		fn f() []u8 {
2		return s ++ "foo";
3		}
4		var s: [10]u8 = undefined;
5		export fn entry() usize { return @sizeOf(@TypeOf(f)); }
6
7		// error
8		// backend=stage1
9		// target=native
10		//
11		// tmp.zig:2:12: error: unable to evaluate constant expression

test/cases/compile_errors/stage1/obj/non_constant_expression_in_array_size.zig deleted-14

...	...	@@ -1,14 +0,0 @@
1		const Foo = struct {
2		y: [get()]u8,
3		};
4		var global_var: usize = 1;
5		fn get() usize { return global_var; }
6
7		export fn entry() usize { return @sizeOf(@TypeOf(Foo)); }
8
9		// error
10		// backend=stage1
11		// target=native
12		//
13		// tmp.zig:5:25: error: cannot store runtime value in compile time variable
14		// tmp.zig:2:12: note: called from here

test/cases/compile_errors/stage1/obj/non_error_sets_used_in_merge_error_sets_operator.zig deleted-17

...	...	@@ -1,17 +0,0 @@
1		export fn foo() void {
2		const Errors = u8 \|\| u16;
3		_ = Errors;
4		}
5		export fn bar() void {
6		const Errors = error{} \|\| u16;
7		_ = Errors;
8		}
9
10		// error
11		// backend=stage1
12		// target=native
13		//
14		// tmp.zig:2:20: error: expected error set type, found type 'u8'
15		// tmp.zig:2:23: note: `\|\|` merges error sets; `or` performs boolean OR
16		// tmp.zig:6:31: error: expected error set type, found type 'u16'
17		// tmp.zig:6:28: note: `\|\|` merges error sets; `or` performs boolean OR

test/cases/compile_errors/stage1/obj/panic_called_at_compile_time.zig deleted-11

...	...	@@ -1,11 +0,0 @@
1		export fn entry() void {
2		comptime {
3		@panic("aoeu",);
4		}
5		}
6
7		// error
8		// backend=stage1
9		// target=native
10		//
11		// tmp.zig:3:9: error: encountered @panic at compile-time

test/cases/compile_errors/stage1/obj/ptrCast_a_0_bit_type_to_a_non-_0_bit_type.zig deleted-13

...	...	@@ -1,13 +0,0 @@
1		export fn entry() bool {
2		var x: u0 = 0;
3		const p = @ptrCast(?*u0, &x);
4		return p == null;
5		}
6
7		// error
8		// backend=stage1
9		// target=native
10		//
11		// tmp.zig:3:15: error: 'u0' and '?u0' do not have the same in-memory representation
12		// tmp.zig:3:31: note: '*u0' has no in-memory bits
13		// tmp.zig:3:24: note: '?*u0' has in-memory bits

test/cases/compile_errors/stage1/obj/ptrToInt_on_void.zig deleted-9

...	...	@@ -1,9 +0,0 @@
1		export fn entry() bool {
2		return @ptrToInt(&{}) == @ptrToInt(&{});
3		}
4
5		// error
6		// backend=stage1
7		// target=native
8		//
9		// tmp.zig:2:23: error: pointer to size 0 type has no address

test/cases/compile_errors/stage1/obj/range_operator_in_switch_used_on_error_set.zig deleted-19

...	...	@@ -1,19 +0,0 @@
1		export fn entry() void {
2		try foo(452) catch \|err\| switch (err) {
3		error.A ... error.B => {},
4		else => {},
5		};
6		}
7		fn foo(x: i32) !void {
8		switch (x) {
9		0 ... 10 => return error.Foo,
10		11 ... 20 => return error.Bar,
11		else => {},
12		}
13		}
14
15		// error
16		// backend=stage1
17		// target=native
18		//
19		// tmp.zig:3:17: error: operator not allowed for errors

test/cases/compile_errors/stage1/obj/reading_past_end_of_pointer_casted_array.zig deleted-13

...	...	@@ -1,13 +0,0 @@
1		comptime {
2		const array: [4]u8 = "aoeu".*;
3		const sub_array = array[1..];
4		const int_ptr = @ptrCast(*const u24, sub_array);
5		const deref = int_ptr.*;
6		_ = deref;
7		}
8
9		// error
10		// backend=stage1
11		// target=native
12		//
13		// tmp.zig:5:26: error: attempt to read 4 bytes from [4]u8 at index 1 which is 3 bytes

test/cases/compile_errors/stage1/obj/recursive_inferred_error_set.zig deleted-12

...	...	@@ -1,12 +0,0 @@
1		export fn entry() void {
2		foo() catch unreachable;
3		}
4		fn foo() !void {
5		try foo();
6		}
7
8		// error
9		// backend=stage1
10		// target=native
11		//
12		// tmp.zig:5:5: error: cannot resolve inferred error set '@typeInfo(@typeInfo(@TypeOf(foo)).Fn.return_type.?).ErrorUnion.error_set': function 'foo' not fully analyzed yet

test/cases/compile_errors/stage1/obj/runtime_index_into_comptime_type_slice.zig deleted-17

...	...	@@ -1,17 +0,0 @@
1		const Struct = struct {
2		a: u32,
3		};
4		fn getIndex() usize {
5		return 2;
6		}
7		export fn entry() void {
8		const index = getIndex();
9		const field = @typeInfo(Struct).Struct.fields[index];
10		_ = field;
11		}
12
13		// error
14		// backend=stage1
15		// target=native
16		//
17		// tmp.zig:9:51: error: values of type 'std.builtin.Type.StructField' must be comptime known, but index value is runtime known

test/cases/compile_errors/stage1/obj/setAlignStack_in_inline_function.zig deleted-12

...	...	@@ -1,12 +0,0 @@
1		export fn entry() void {
2		foo();
3		}
4		fn foo() callconv(.Inline) void {
5		@setAlignStack(16);
6		}
7
8		// error
9		// backend=stage1
10		// target=native
11		//
12		// tmp.zig:5:5: error: @setAlignStack in inline function

test/cases/compile_errors/stage1/obj/signed_integer_remainder_division.zig deleted-9

...	...	@@ -1,9 +0,0 @@
1		export fn foo(a: i32, b: i32) i32 {
2		return a % b;
3		}
4
5		// error
6		// backend=stage1
7		// target=native
8		//
9		// tmp.zig:2:14: error: remainder division with 'i32' and 'i32': signed integers and floats must use @rem or @mod

test/cases/compile_errors/stage1/obj/sizeOf_bad_type.zig deleted-9

...	...	@@ -1,9 +0,0 @@
1		export fn entry() usize {
2		return @sizeOf(@TypeOf(null));
3		}
4
5		// error
6		// backend=stage1
7		// target=native
8		//
9		// tmp.zig:2:20: error: no size available for type '@Type(.Null)'

test/cases/compile_errors/stage1/obj/slice_cannot_have_its_bytes_reinterpreted.zig deleted-11

...	...	@@ -1,11 +0,0 @@
1		export fn foo() void {
2		const bytes = [1]u8{ 0xfa } ** 16;
3		var value = @ptrCast(const []const u8, &bytes).;
4		_ = value;
5		}
6
7		// error
8		// backend=stage1
9		// target=native
10		//
11		// :3:52: error: slice '[]const u8' cannot have its bytes reinterpreted

test/cases/compile_errors/stage1/obj/slice_passed_as_array_init_type.zig deleted-10

...	...	@@ -1,10 +0,0 @@
1		export fn entry() void {
2		const x = []u8{};
3		_ = x;
4		}
5
6		// error
7		// backend=stage1
8		// target=native
9		//
10		// tmp.zig:2:15: error: array literal requires address-of operator (&) to coerce to slice type '[]u8'

test/cases/compile_errors/stage1/obj/slice_passed_as_array_init_type_with_elems.zig deleted-10

...	...	@@ -1,10 +0,0 @@
1		export fn entry() void {
2		const x = []u8{1, 2};
3		_ = x;
4		}
5
6		// error
7		// backend=stage1
8		// target=native
9		//
10		// tmp.zig:2:15: error: array literal requires address-of operator (&) to coerce to slice type '[]u8'

test/cases/compile_errors/stage1/obj/slicing_of_global_undefined_pointer.zig deleted-10

...	...	@@ -1,10 +0,0 @@
1		var buf: *[1]u8 = undefined;
2		export fn entry() void {
3		_ = buf[0..1];
4		}
5
6		// error
7		// backend=stage1
8		// target=native
9		//
10		// tmp.zig:3:12: error: non-zero length slice of undefined pointer

test/cases/compile_errors/stage1/obj/sub_overflow_in_function_evaluation.zig deleted-12

...	...	@@ -1,12 +0,0 @@
1		const y = sub(10, 20);
2		fn sub(a: u16, b: u16) u16 {
3		return a - b;
4		}
5
6		export fn entry() usize { return @sizeOf(@TypeOf(y)); }
7
8		// error
9		// backend=stage1
10		// target=native
11		//
12		// tmp.zig:3:14: error: operation caused overflow

test/cases/compile_errors/stage1/obj/switch_expression-duplicate_or_overlapping_integer_value.zig deleted-16

...	...	@@ -1,16 +0,0 @@
1		fn foo(x: u8) u8 {
2		return switch (x) {
3		0 ... 100 => @as(u8, 0),
4		101 ... 200 => 1,
5		201, 203 ... 207 => 2,
6		206 ... 255 => 3,
7		};
8		}
9		export fn entry() usize { return @sizeOf(@TypeOf(foo)); }
10
11		// error
12		// backend=stage1
13		// target=native
14		//
15		// tmp.zig:6:9: error: duplicate switch value
16		// tmp.zig:5:14: note: previous value here

test/cases/compile_errors/stage1/obj/switch_expression-switch_on_pointer_type_with_no_else.zig deleted-13

...	...	@@ -1,13 +0,0 @@
1		fn foo(x: *u8) void {
2		switch (x) {
3		&y => {},
4		}
5		}
6		const y: u8 = 100;
7		export fn entry() usize { return @sizeOf(@TypeOf(foo)); }
8
9		// error
10		// backend=stage1
11		// target=native
12		//
13		// tmp.zig:2:5: error: else prong required when switching on type '*u8'

test/cases/compile_errors/stage1/obj/switch_expression-unreachable_else_prong_bool.zig deleted-14

...	...	@@ -1,14 +0,0 @@
1		fn foo(x: bool) void {
2		switch (x) {
3		true => {},
4		false => {},
5		else => {},
6		}
7		}
8		export fn entry() usize { return @sizeOf(@TypeOf(foo)); }
9
10		// error
11		// backend=stage1
12		// target=native
13		//
14		// tmp.zig:5:9: error: unreachable else prong, all cases already handled

test/cases/compile_errors/stage1/obj/switch_on_union_with_no_attached_enum.zig deleted-22

...	...	@@ -1,22 +0,0 @@
1		const Payload = union {
2		A: i32,
3		B: f64,
4		C: bool,
5		};
6		export fn entry() void {
7		const a = Payload { .A = 1234 };
8		foo(a);
9		}
10		fn foo(a: *const Payload) void {
11		switch (a.*) {
12		Payload.A => {},
13		else => unreachable,
14		}
15		}
16
17		// error
18		// backend=stage1
19		// target=native
20		//
21		// tmp.zig:11:14: error: switch on union which has no attached enum
22		// tmp.zig:1:17: note: consider 'union(enum)' here

test/cases/compile_errors/stage1/obj/switch_with_invalid_expression_parameter.zig deleted-17

...	...	@@ -1,17 +0,0 @@
1		export fn entry() void {
2		Test(i32);
3		}
4		fn Test(comptime T: type) void {
5		const x = switch (T) {
6		[]u8 => \|x\| x,
7		i32 => \|x\| x,
8		else => unreachable,
9		};
10		_ = x;
11		}
12
13		// error
14		// backend=stage1
15		// target=native
16		//
17		// tmp.zig:7:17: error: switch on type 'type' provides no expression parameter

test/cases/compile_errors/stage1/obj/switch_with_overlapping_case_ranges.zig deleted-13

...	...	@@ -1,13 +0,0 @@
1		export fn entry() void {
2		var q: u8 = 0;
3		switch (q) {
4		1...2 => {},
5		0...255 => {},
6		}
7		}
8
9		// error
10		// backend=stage1
11		// target=native
12		//
13		// tmp.zig:5:9: error: duplicate switch value

test/cases/compile_errors/stage1/obj/tagName_used_on_union_with_no_associated_enum_tag.zig deleted-16

...	...	@@ -1,16 +0,0 @@
1		const FloatInt = extern union {
2		Float: f32,
3		Int: i32,
4		};
5		export fn entry() void {
6		var fi = FloatInt{.Float = 123.45};
7		var tagName = @tagName(fi);
8		_ = tagName;
9		}
10
11		// error
12		// backend=stage1
13		// target=native
14		//
15		// tmp.zig:7:19: error: union has no associated enum
16		// tmp.zig:1:18: note: declared here

test/cases/compile_errors/stage1/obj/type_variables_must_be_constant.zig deleted-10

...	...	@@ -1,10 +0,0 @@
1		var foo = u8;
2		export fn entry() foo {
3		return 1;
4		}
5
6		// error
7		// backend=stage1
8		// target=native
9		//
10		// :1:1: error: variable of type 'type' must be constant

test/cases/compile_errors/stage1/obj/unreachable_executed_at_comptime.zig deleted-16

...	...	@@ -1,16 +0,0 @@
1		fn foo(comptime x: i32) i32 {
2		comptime {
3		if (x >= 0) return -x;
4		unreachable;
5		}
6		}
7		export fn entry() void {
8		_ = foo(-42);
9		}
10
11		// error
12		// backend=stage1
13		// target=native
14		//
15		// tmp.zig:4:9: error: reached unreachable code
16		// tmp.zig:8:12: note: called from here

test/cases/compile_errors/stage1/obj/use_of_comptime-known_undefined_function_value.zig deleted-13

...	...	@@ -1,13 +0,0 @@
1		const Cmd = struct {
2		exec: fn () void,
3		};
4		export fn entry() void {
5		const command = Cmd{ .exec = undefined };
6		command.exec();
7		}
8
9		// error
10		// backend=stage1
11		// target=native
12		//
13		// tmp.zig:6:12: error: use of undefined value here causes undefined behavior

test/cases/compile_errors/stage1/obj/wasmMemoryGrow_is_a_compile_error_in_non-Wasm_targets.zig deleted-10

...	...	@@ -1,10 +0,0 @@
1		export fn foo() void {
2		_ = @wasmMemoryGrow(0, 1);
3		return;
4		}
5
6		// error
7		// backend=stage1
8		// target=native
9		//
10		// tmp.zig:2:9: error: @wasmMemoryGrow is a wasm32 feature only

test/cases/compile_errors/stage1/obj/wasmMemorySize_is_a_compile_error_in_non-Wasm_targets.zig deleted-10

...	...	@@ -1,10 +0,0 @@
1		export fn foo() void {
2		_ = @wasmMemorySize(0);
3		return;
4		}
5
6		// error
7		// backend=stage1
8		// target=native
9		//
10		// tmp.zig:2:9: error: @wasmMemorySize is a wasm32 feature only

test/cases/compile_errors/stage1/obj/wrong_type_for_reify_type.zig deleted-9

...	...	@@ -1,9 +0,0 @@
1		export fn entry() void {
2		_ = @Type(0);
3		}
4
5		// error
6		// backend=stage1
7		// target=native
8		//
9		// tmp.zig:2:15: error: expected type 'std.builtin.Type', found 'comptime_int'

test/cases/compile_errors/stage1/ptrCast_a_0_bit_type_to_a_non-_0_bit_type.zig created+13

...	...	@@ -0,0 +1,13 @@
	1	export fn entry() bool {
	2	var x: u0 = 0;
	3	const p = @ptrCast(?*u0, &x);
	4	return p == null;
	5	}
	6
	7	// error
	8	// backend=stage1
	9	// target=native
	10	//
	11	// tmp.zig:3:15: error: 'u0' and '?u0' do not have the same in-memory representation
	12	// tmp.zig:3:31: note: '*u0' has no in-memory bits
	13	// tmp.zig:3:24: note: '?*u0' has in-memory bits

test/cases/compile_errors/stage1/ptrToInt_on_void.zig created+9

...	...	@@ -0,0 +1,9 @@
	1	export fn entry() bool {
	2	return @ptrToInt(&{}) == @ptrToInt(&{});
	3	}
	4
	5	// error
	6	// backend=stage1
	7	// target=native
	8	//
	9	// tmp.zig:2:23: error: pointer to size 0 type has no address

test/cases/compile_errors/stage1/recursive_inferred_error_set.zig created+12

...	...	@@ -0,0 +1,12 @@
	1	export fn entry() void {
	2	foo() catch unreachable;
	3	}
	4	fn foo() !void {
	5	try foo();
	6	}
	7
	8	// error
	9	// backend=stage1
	10	// target=native
	11	//
	12	// tmp.zig:5:5: error: cannot resolve inferred error set '@typeInfo(@typeInfo(@TypeOf(foo)).Fn.return_type.?).ErrorUnion.error_set': function 'foo' not fully analyzed yet

test/cases/compile_errors/stage1/slicing_of_global_undefined_pointer.zig created+10

...	...	@@ -0,0 +1,10 @@
	1	var buf: *[1]u8 = undefined;
	2	export fn entry() void {
	3	_ = buf[0..1];
	4	}
	5
	6	// error
	7	// backend=stage1
	8	// target=native
	9	//
	10	// tmp.zig:3:12: error: non-zero length slice of undefined pointer

test/cases/compile_errors/stage1/switch_with_invalid_expression_parameter.zig created+17

...	...	@@ -0,0 +1,17 @@
	1	export fn entry() void {
	2	Test(i32);
	3	}
	4	fn Test(comptime T: type) void {
	5	const x = switch (T) {
	6	[]u8 => \|x\| x,
	7	i32 => \|x\| x,
	8	else => unreachable,
	9	};
	10	_ = x;
	11	}
	12
	13	// error
	14	// backend=stage1
	15	// target=native
	16	//
	17	// tmp.zig:7:17: error: switch on type 'type' provides no expression parameter

test/cases/compile_errors/stage1/use_of_comptime-known_undefined_function_value.zig created+13

...	...	@@ -0,0 +1,13 @@
	1	const Cmd = struct {
	2	exec: fn () void,
	3	};
	4	export fn entry() void {
	5	const command = Cmd{ .exec = undefined };
	6	command.exec();
	7	}
	8
	9	// error
	10	// backend=stage1
	11	// target=native
	12	//
	13	// tmp.zig:6:12: error: use of undefined value here causes undefined behavior

test/cases/compile_errors/stage2/out_of_bounds_index.zig+4-4

...	...	@@ -23,7 +23,7 @@ comptime {
23	23	// error
24	24	// target=native
25	25	//
26		// :4:26: error: end index 6 out of bounds for slice of length 4 +1 (sentinel)
27		// :9:22: error: end index 6 out of bounds for array of length 4 +1 (sentinel)
28		// :14:22: error: end index 5 out of bounds for array of length 4
29		// :19:22: error: start index 3 is larger than end index 2
	26	// :4:30: error: end index 6 out of bounds for slice of length 4 +1 (sentinel)
	27	// :9:26: error: end index 6 out of bounds for array of length 4 +1 (sentinel)
	28	// :14:26: error: end index 5 out of bounds for array of length 4
	29	// :19:23: error: start index 3 is larger than end index 2

test/cases/compile_errors/sub_overflow_in_function_evaluation.zig created+13

...	...	@@ -0,0 +1,13 @@
	1	const y = sub(10, 20);
	2	fn sub(a: u16, b: u16) u16 {
	3	return a - b;
	4	}
	5
	6	export fn entry() usize { return @sizeOf(@TypeOf(&y)); }
	7
	8	// error
	9	// backend=stage2
	10	// target=native
	11	//
	12	// :3:14: error: overflow of integer type 'u16' with value '-10'
	13	// :1:14: note: called from here

test/cases/compile_errors/switch_expression-duplicate_or_overlapping_integer_value.zig created+16

...	...	@@ -0,0 +1,16 @@
	1	fn foo(x: u8) u8 {
	2	return switch (x) {
	3	0 ... 100 => @as(u8, 0),
	4	101 ... 200 => 1,
	5	201, 203 ... 207 => 2,
	6	206 ... 255 => 3,
	7	};
	8	}
	9	export fn entry() usize { return @sizeOf(@TypeOf(&foo)); }
	10
	11	// error
	12	// backend=stage2
	13	// target=native
	14	//
	15	// :6:13: error: duplicate switch value
	16	// :5:18: note: previous value here

test/cases/compile_errors/switch_expression-switch_on_pointer_type_with_no_else.zig created+13

...	...	@@ -0,0 +1,13 @@
	1	fn foo(x: *u8) void {
	2	switch (x) {
	3	&y => {},
	4	}
	5	}
	6	var y: u8 = 100;
	7	export fn entry() usize { return @sizeOf(@TypeOf(&foo)); }
	8
	9	// error
	10	// backend=stage2
	11	// target=native
	12	//
	13	// :2:5: error: else prong required when switching on type '*u8'

test/cases/compile_errors/switch_expression-unreachable_else_prong_bool.zig created+14

...	...	@@ -0,0 +1,14 @@
	1	fn foo(x: bool) void {
	2	switch (x) {
	3	true => {},
	4	false => {},
	5	else => {},
	6	}
	7	}
	8	export fn entry() usize { return @sizeOf(@TypeOf(&foo)); }
	9
	10	// error
	11	// backend=stage2
	12	// target=native
	13	//
	14	// :5:14: error: unreachable else prong; all cases already handled

test/cases/compile_errors/switch_on_union_with_no_attached_enum.zig created+22

...	...	@@ -0,0 +1,22 @@
	1	const Payload = union {
	2	A: i32,
	3	B: f64,
	4	C: bool,
	5	};
	6	export fn entry() void {
	7	const a = Payload { .A = 1234 };
	8	foo(&a);
	9	}
	10	fn foo(a: *const Payload) void {
	11	switch (a.*) {
	12	Payload.A => {},
	13	else => unreachable,
	14	}
	15	}
	16
	17	// error
	18	// backend=stage2
	19	// target=native
	20	//
	21	// :11:14: error: switch on union with no attached enum
	22	// :1:17: note: consider 'union(enum)' here

test/cases/compile_errors/switch_with_overlapping_case_ranges.zig created+14

...	...	@@ -0,0 +1,14 @@
	1	export fn entry() void {
	2	var q: u8 = 0;
	3	switch (q) {
	4	1...2 => {},
	5	0...255 => {},
	6	}
	7	}
	8
	9	// error
	10	// backend=stage2
	11	// target=native
	12	//
	13	// :5:10: error: duplicate switch value
	14	// :4:10: note: previous value here

test/cases/compile_errors/tagName_used_on_union_with_no_associated_enum_tag.zig created+16

...	...	@@ -0,0 +1,16 @@
	1	const FloatInt = extern union {
	2	Float: f32,
	3	Int: i32,
	4	};
	5	export fn entry() void {
	6	var fi = FloatInt{.Float = 123.45};
	7	var tagName = @tagName(fi);
	8	_ = tagName;
	9	}
	10
	11	// error
	12	// backend=stage2
	13	// target=native
	14	//
	15	// :7:19: error: union 'tmp.FloatInt' is untagged
	16	// :1:25: note: union declared here

test/cases/compile_errors/type_variables_must_be_constant.zig created+11

...	...	@@ -0,0 +1,11 @@
	1	var foo = u8;
	2	export fn entry() foo {
	3	return 1;
	4	}
	5
	6	// error
	7	// backend=stage2
	8	// target=native
	9	//
	10	// :1:1: error: variable of type 'type' must be const or comptime
	11	// :1:1: note: types are not available at runtime

test/cases/compile_errors/unreachable_executed_at_comptime.zig created+16

...	...	@@ -0,0 +1,16 @@
	1	fn foo(comptime x: i32) i32 {
	2	comptime {
	3	if (x >= 0) return -x;
	4	unreachable;
	5	}
	6	}
	7	export fn entry() void {
	8	_ = comptime foo(-42);
	9	}
	10
	11	// error
	12	// backend=stage2
	13	// target=native
	14	//
	15	// :4:9: error: reached unreachable code
	16	// :8:21: note: called from here

test/cases/compile_errors/unreachable_variable.zig+1-1

...	...	@@ -7,4 +7,4 @@ export fn f() void {
7	7	// backend=stage2
8	8	// target=native
9	9	//
10		// :2:25: error: expected type 'noreturn', found 'void'
	10	// :2:25: error: cannot cast to noreturn

test/cases/compile_errors/use_invalid_number_literal_as_array_index.zig+1

...	...	@@ -9,3 +9,4 @@ export fn entry() void {
9	9	// target=native
10	10	//
11	11	// :1:1: error: variable of type 'comptime_int' must be const or comptime
	12	// :1:1: note: to modify this variable at runtime, it must be given an explicit fixed-size number type

test/cases/compile_errors/wasmMemoryGrow_is_a_compile_error_in_non-Wasm_targets.zig created+10

...	...	@@ -0,0 +1,10 @@
	1	export fn foo() void {
	2	_ = @wasmMemoryGrow(0, 1);
	3	return;
	4	}
	5
	6	// error
	7	// backend=stage2
	8	// target=x86_64-native
	9	//
	10	// :2:9: error: builtin @wasmMemoryGrow is available when targeting WebAssembly; targeted CPU architecture is x86_64

test/cases/compile_errors/wasmMemorySize_is_a_compile_error_in_non-Wasm_targets.zig created+10

...	...	@@ -0,0 +1,10 @@
	1	export fn foo() void {
	2	_ = @wasmMemorySize(0);
	3	return;
	4	}
	5
	6	// error
	7	// backend=stage2
	8	// target=x86_64-native
	9	//
	10	// :2:9: error: builtin @wasmMemorySize is available when targeting WebAssembly; targeted CPU architecture is x86_64

test/cases/compile_errors/wrong_type_for_reify_type.zig created+9

...	...	@@ -0,0 +1,9 @@
	1	export fn entry() void {
	2	_ = @Type(0);
	3	}
	4
	5	// error
	6	// backend=stage2
	7	// target=native
	8	//
	9	// :2:15: error: expected type 'builtin.Type', found 'comptime_int'

test/cases/variable_shadowing.10.zig created+9

...	...	@@ -0,0 +1,9 @@
	1	fn foo() !void {
	2	var i: anyerror!usize = 1;
	3	_ = i catch \|i\| return i;
	4	}
	5
	6	// error
	7	//
	8	// :3:18: error: redeclaration of local variable 'i'
	9	// :2:9: note: previous declaration here

test/standalone/issue_7030/main.zig+12

...	...	@@ -1,5 +1,17 @@
1	1	const std = @import("std");
2	2
	3	pub fn log(
	4	comptime message_level: std.log.Level,
	5	comptime scope: @Type(.EnumLiteral),
	6	comptime format: []const u8,
	7	args: anytype,
	8	) void {
	9	_ = message_level;
	10	_ = scope;
	11	_ = format;
	12	_ = args;
	13	}
	14
3	15	pub fn main() anyerror!void {
4	16	std.log.info("All your codebase are belong to us.", .{});
5	17	}