https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71975
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
I think GCC is correct to reject this, name lookup fails for enu::wow so the
friend declaration is invalid.
