[libcxx-commits] [libcxx] [libcxx] Add `locale` support for llvm `libc` (PR #97508)

[Louis Dionne via libcxx-commits]

ldionne wrote:

I think this can be closed since it has been landed in smaller bits. I do want Fuchsia to setup pre-commit CI bots since they are using LLVM libc and that's necessary for us to officially support that configuration, but I reached out to @petrhosek about that separately.

https://github.com/llvm/llvm-project/pull/97508