[Bug libstdc++/70975] experimental/filesystem/operations/copy.cc FAILs on Solaris 12

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70975

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Yup, they both use the do_copy_file function to do the work.

I'll see what I can do about tweaking the configure test next week.