[Bug libstdc++/95209] std::filesystem::path::lexically_normal mangles "//foo"

[terra at gnome dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95209

--- Comment #1 from M Welinder <terra at gnome dot org> ---
Created attachment 48567
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48567&action=edit
preprocessed test program