[libc-commits] [libc] [libc] Added support for fixed-points in ``is_signed`` and ``is_unsigned``. (PR #133371)

[via libc-commits]

https://github.com/lntue approved this pull request.

LGTM.  Let's wait for @PiJoules comments.

https://github.com/llvm/llvm-project/pull/133371