1// PR c++/63309
2
3template <class T>
4class A
5{
6public:
7    class B;
8};
9
10template <class T, class I>
11class A<T>::B			// { dg-error "template parameters|required" }
12{
13};
14
15int main()
16{
17    A<int>::B myB;		// { dg-prune-output "incomplete type" }
18    return 0;
19}
20