[libcxx-commits] [libcxx] [libc++] Use std::to_chars to format thread::id and canonicalize the representation across platforms (PR #181624)

[Louis Dionne via libcxx-commits]

https://github.com/ldionne commented:

Pinging @llvm/libcxx-vendors since this is a behavior change for Apple and FreeBSD. I think this is fine since people should not rely on the format of thread IDs for anything critical, but it's still worth giving this some visibility.

https://github.com/llvm/llvm-project/pull/181624