[libc-commits] [libc] [libc] build with -Werror (PR #73966)

[Nick Desaulniers via libc-commits]

nickdesaulniers wrote:

Now that the build bots are explicitly red, I'm happy to revert this as we get things fixed up.

https://lab.llvm.org/buildbot/#/builders?tags=libc

https://github.com/llvm/llvm-project/pull/73966