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

[redi at gcc dot gnu.org]

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

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
You didn't provide the requested information when creating a new bug report,
please see https://gcc.gnu.org/bugs/


(In reply to M Welinder from comment #0)
> lexically_normal transforms "//foo" into "/foo".  It should leave
> two initial slashes (an alternate root) alone.

That's implementation defined. This implementation only gives special handling
to paths starting with "//" for Cygwin. The path "//foo" has no special meaning
for other platforms.