[libcxx-commits] [libcxx] [libc++] fix back slash as root dir breaks lexically_relative, lexically_proximate and hash_value on Windows (PR #99780)

[nicole mazzuca via libcxx-commits]

https://github.com/strega-nil commented:

This looks reasonable to me - I would want to see testing done on the MSVC-STL to see if the same thing happens over there, but if it does, I'll approve.

https://github.com/llvm/llvm-project/pull/99780