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

[Louis Dionne via libcxx-commits]

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@@ -68,8 +68,9 @@ LLVM 21
 ABI Affecting Changes
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-- TODO
-
+- The internal structure ``__compressed_pair`` has been replaced with ``[[no_unique_address]]``. This change results in
+  empty final types being placed at the beginning of the object instead of where the beginning of the
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ldionne wrote:

```suggestion
  empty final types being placed at the beginning of the enclosing object instead of where the beginning of the
```

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