[libcxx-commits] [libcxx] [libc++] Fix ABI break introduced by switching to _LIBCPP_COMPRESSED_PAIR (PR #154686)

[Nikolas Klauser via libcxx-commits]

================
@@ -119,12 +122,16 @@ static_assert(TEST_ALIGNOF(map_alloc<char, final_small_iter_allocator<std::pair<
 
 struct TEST_ALIGNAS(32) AlignedLess {};
 
-// This part of the ABI has been broken between LLVM 19 and LLVM 20.
----------------
philnik777 wrote:

This comment and the one in the `set` test was wrong.

https://github.com/llvm/llvm-project/pull/154686