1 // { dg-do compile { target c++11 } } 2 // PR C++/71710 ICE with decltype & using 3 4 template < typename > struct A 5 { 6 A a; 7 template < int > using B = decltype (a); 8 B < 0 > b; 9 template < int C > B < C > foo (); 10 }; 11