[libcxx-commits] [libcxx] [libc++] Ensure that `std::expected` has no tail padding (PR #69673)

[Louis Dionne via libcxx-commits]

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In-Reply-To: <llvm.org/llvm/llvm-project/pull/69673 at github.com>


================
@@ -12,7 +12,10 @@
 
 // test [[no_unique_address]] is applied to the union
----------------
ldionne wrote:

```suggestion
// test [[no_unique_address]] is applied to the union
// In particular, we ensure that we reuse tail padding in the T
// to store the discriminator whenever we can.
```

https://github.com/llvm/llvm-project/pull/69673