https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96673
Jason Merrill <jason at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Known to work| |11.0 Summary|[8/9/10/11 Regression] |[8/9/10 Regression] Friend |Friend class with templates |class with templates and |and default constructor not |default constructor not |recognized in C++14 or |recognized in C++14 or |later |later --- Comment #4 from Jason Merrill <jason at gcc dot gnu.org> --- Fixed for 11 so far.