https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86978
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Version|c++-concepts |8.1.0
Resolution|--- |DUPLICATE
Summary|constraints for friend |[concepts] constraints for
|functions ignored |friend functions ignored
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Seems like a dup. I'll add your case to the other bug.
*** This bug has been marked as a duplicate of bug 68093 ***
