[libcxx-commits] [libcxx] [libc++] Use the __strtoNUM functions from __locale instead of the old API (PR #118029)

[Nikolas Klauser via libcxx-commits]

https://github.com/philnik777 approved this pull request.

LGTM.

FYI these were the functions I think we should be able to replace with `from_chars`.

https://github.com/llvm/llvm-project/pull/118029