[libcxx-commits] [clang] [libcxx] [clang] [libc++] fix _Atomic c11 compare exchange does not update expected results (PR #78707)

[Louis Dionne via libcxx-commits]

https://github.com/ldionne commented:

This looks quite reasonable to me, and it seems we're fixing a pretty bad bug. However, someone else with more Clang/Codegen experience needs to look at this. Thanks for working on this!

CC @efriedma-quic 

https://github.com/llvm/llvm-project/pull/78707