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Merge pull request #24278 from gooncreeper/atomic-fixes

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atomic fixes and clarification
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Matthew Lugg
2025-07-30 21:30:29 +01:00
committed by GitHub
parent 3d639481d9 cbe6e5b7fe
commit 389ccf692a
5 changed files with 42 additions and 16 deletions
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17
test/cases/compile_errors/atomics_with_invalid_type.zig
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@@ -5,14 +5,27 @@ export fn float() void {
const NormalStruct = struct { x: u32 };
export fn normalStruct() void {
var x: NormalStruct = 0;
var x: NormalStruct = .{ .x = 0 };
_ = @cmpxchgWeak(NormalStruct, &x, .{ .x = 1 }, .{ .x = 2 }, .seq_cst, .seq_cst);
}
export fn anyError() void {
var x: anyerror = error.A;
_ = @cmpxchgWeak(anyerror, &x, error.A, error.B, .seq_cst, .seq_cst);
}
const ErrorSet = error{ A, B };
export fn errorSet() void {
var x: ErrorSet = error.A;
_ = @cmpxchgWeak(ErrorSet, &x, error.A, error.B, .seq_cst, .seq_cst);
}
// error
// backend=stage2
// target=native
//
// :3:22: error: expected bool, integer, enum, packed struct, or pointer type; found 'f32'
// :8:27: error: expected type 'tmp.NormalStruct', found 'comptime_int'
// :9:22: error: expected bool, integer, float, enum, packed struct, or pointer type; found 'tmp.NormalStruct'
// :6:22: note: struct declared here
// :14:22: error: expected bool, integer, float, enum, packed struct, or pointer type; found 'anyerror'
// :20:22: error: expected bool, integer, float, enum, packed struct, or pointer type; found 'error{A,B}'