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Sema: allow optional pointers in packed structs

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Closes #12572
This commit is contained in:
Veikka Tuominen
2022-08-22 10:17:58 +03:00
parent 74c7782c60
commit b0bcd4add2
3 changed files with 19 additions and 4 deletions
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12
test/behavior/packed-struct.zig
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@@ -434,3 +434,15 @@ test "@ptrToInt on a packed struct field" {
};
try expect(@ptrToInt(&S.p0.z) - @ptrToInt(&S.p0.x) == 2);
}
test "optional pointer in packed struct" {
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest;
const T = packed struct { ptr: ?*const u8 };
var n: u8 = 0;
const x = T{ .ptr = &n };
try expect(x.ptr.? == &n);
}