[Bug libstdc++/95048] [9/10/11/12 Regression] wstring-constructor of std::filesystem::path throws for non-ASCII characters

[gcc-bugzilla at m dot chronial.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95048

--- Comment #11 from Christian Fersch <gcc-bugzilla at m dot chronial.de> ---
Would you accept a patch that implements my solution from comment 6? It seems
to me like that would be an improvement over the current situation.