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;			       // { dg-error "incomplete" }
7   template < int > using B = decltype (a);
8   B < 0 > b;		       // { dg-prune-output "B. does not name a type" }
9   template < int C > B < C > foo ();
10 };
11