https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52625
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] |Incorrect specialization |Incorrect specialization |semantics of friend class |semantics of friend class |template declaration |template declaration --- Comment #8 from Jason Merrill <jason at gcc dot gnu.org> --- Fixed for 11 so far.