[libcxx-commits] [libcxx] [libc++] Guard explicit ABI annotations for Clang >= 21 (PR #212249)

[Milad Fa via libcxx-commits]

miladfarca wrote:

But similar checks are already in the code base and they were not removed when upgrading version support, and a similar fix was already added for GCC. The minimum version check is also a #warning, not a #error.

https://github.com/llvm/llvm-project/pull/212249