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tests: unions without fields need not store their tag at runtime

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...because the union semantically has no possible value so cannot be
stored to or loaded from memory anyway.
This commit is contained in:
Matthew Lugg 2026-02-08 14:21:08 +00:00
parent d1d377a80c
commit 2b32c2748e
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1 changed files with 1 additions and 5 deletions
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6
test/behavior/union.zig
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@ -1020,7 +1020,7 @@ test "containers with single-field enums" {
try comptime S.doTheTest();
}
test "@unionInit on union with tag but no fields" {
test "@unionInit on union with u8 tag but no fields" {
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@ -1036,10 +1036,6 @@ test "@unionInit on union with tag but no fields" {
}
};
comptime {
assert(@sizeOf(Data) == 1);
}
fn doTheTest() !void {
var data: Data = .{ .no_op = {} };
_ = &data;