[libc-commits] [libc] [libc] Reland #149423 "wchar string conversion functions mb to wc" (PR #150667)

[Michael Jones via libc-commits]

https://github.com/michaelrj-google commented:

You don't need the `LIBC_HAS_SANITIZER` check, for the reasons described in this PR: https://github.com/llvm/llvm-project/pull/150341



https://github.com/llvm/llvm-project/pull/150667