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

[Louis Dionne via libcxx-commits]

================
@@ -299,28 +305,19 @@ struct __shared_ptr_emplace : __shared_weak_count {
   // with Allocator construction for _Tp. To allow implementing P0674 in C++20,
   // we now use a properly aligned char buffer while making sure that we maintain
   // the same layout that we had when we used a compressed pair.
----------------
ldionne wrote:

This comment needs to be updated, we don't use a char buffer anymore.

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