[libcxx-commits] [libcxx] [libc++] Do not remove a root-name followed by ".." in `path::lexically_normal()` (PR #201261)

[Igor Kudrin via libcxx-commits]

igorkudrin wrote:

> FYI: The current implementation matches GCC's https://godbolt.org/z/41s5jes61

Godbolt probably runs `gcc` and `clang` on Linux, so there are no root-names in these samples: https://godbolt.org/z/6Kc8h3hf4. The difference is visible on Windows.

> https://wg21.link/fs.path.generic#6.5

Exactly, the clause tells about filenames, not the root-name.

https://github.com/llvm/llvm-project/pull/201261