1 // PR c++/81843 2 // { dg-do compile { target c++11 } } 3 4 template < typename > struct A; 5 template < typename, typename > struct B; 6 template < typename ... S > struct C 7 { 8 template < typename > struct D {}; 9 template < typename ... T > struct D < A < B < S, T > ... > >; 10 }; 11 12 C <>::D < A < B < int, int > > > c; 13