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AstGen: fix missing array type validation

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Closes #17084
This commit is contained in:
Veikka Tuominen 2023-09-07 12:58:36 +03:00
parent b0d9bb0bb8
commit 6484e279e5
2 changed files with 13 additions and 1 deletions
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7
src/AstGen.zig
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@ -1454,7 +1454,12 @@ fn arrayInitExpr(
},
.ty, .coerced_ty => |ty_inst| {
const arr_ty = if (types.array != .none) types.array else blk: {
break :blk try gz.addUnNode(.opt_eu_base_ty, ty_inst, node);
const arr_ty = try gz.addUnNode(.opt_eu_base_ty, ty_inst, node);
_ = try gz.addPlNode(.validate_array_init_ty, node, Zir.Inst.ArrayInit{
.ty = arr_ty,
.init_count = @intCast(array_init.ast.elements.len),
});
break :blk arr_ty;
};
const result = try arrayInitExprInner(gz, scope, node, array_init.ast.elements, arr_ty, types.elem, .array_init);
return rvalue(gz, ri, result, node);

7
test/cases/compile_errors/array_init_invalid_elem_count.zig
View File

@ -24,6 +24,12 @@ pub export fn entry2() void {
var bla: A = .{ 1, 2, 3, 4 };
_ = bla;
}
const S = struct {
list: [2]u8 = .{0},
};
export fn entry3() void {
_ = S{};
}
// error
// backend=stage2
@ -35,3 +41,4 @@ pub export fn entry2() void {
// :16:17: error: expected 8 array elements; found 0
// :20:19: error: expected 8 vector elements; found 4
// :24:19: error: expected 8 array elements; found 4
// :28:20: error: expected 2 array elements; found 1