[libcxx-commits] [libcxx] [libc++] Properly guard std::filesystem with >= C++17 (PR #72701)

[Nikolas Klauser via libcxx-commits]

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

Since you both think it's fine to do this without deprecation this is also fine by me. It's always nice to simplify the library a bit.

https://github.com/llvm/llvm-project/pull/72701