https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86966
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Known to fail| |4.4.7 Last reconfirmed|2018-08-15 00:00:00 |2022-1-6 See Also| |https://gcc.gnu.org/bugzill | |a/show_bug.cgi?id=86960 --- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> --- If we change the code slightly to: template<class... T> struct S { template<T...> struct X { }; }; template<> template<> struct S<>::X<> { }; S<>::X<> x; GCC does not ICE.