[Bug gcov-profile/94570] -fprofile-dir is broken on Cygwin

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94570

--- Comment #11 from Martin Liška <marxin at gcc dot gnu.org> ---
Thank you jon.
I'm testing the patch and will send it soon to the GCC patches mailing list.