[libcxx-commits] [libcxx] [libc++] Enable C++ stdatomic.h for all C++ versions (PR #95498)

[Louis Dionne via libcxx-commits]

ldionne wrote:

Thanks for the heads up! I think this breakage is inherent with the usage of `<stdatomic.h>`. See for example this where both libc++ and libstdc++ behave the same when `<stdatomic.h>` is "enabled": https://gcc.godbolt.org/z/ae9E9z8ah

https://github.com/llvm/llvm-project/pull/95498