[libcxx-commits] [libcxx] [libc++] Make std::filesystem::canonical throw when given empty path (PR #77223)

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Yuki-cpp wrote:

> You should format the code snippet you added. Please check the code formatter checker. It is normal that old code is using old formatting and the new one the new style in the same file.

Will remember that for next time. Thanks

https://github.com/llvm/llvm-project/pull/77223