[libcxx-commits] [libcxx] [libc++] Replace `__compressed_pair` with `[[no_unique_address]]` (PR #76756)

[Louis Dionne via libcxx-commits]

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@@ -98,6 +98,13 @@
 // and WCHAR_MAX. This ABI setting determines whether we should instead track whether the fill
 // value has been initialized using a separate boolean, which changes the ABI.
 #  define _LIBCPP_ABI_IOS_ALLOW_ARBITRARY_FILL_VALUE
+// Historically, libc++ used a type called `__compressed_pair` to reduce storage need in cases of empty types (e.g. an
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ldionne wrote:

```suggestion
// Historically, libc++ used a type called `__compressed_pair` to reduce storage needs in cases of empty types (e.g. an
```

https://github.com/llvm/llvm-project/pull/76756