1// RUN: %clang_cc1 -fsyntax-only -verify %s
2namespace N {
3  template<typename T> class A { };
4
5  template<> class A<int> { };
6
7  template<> class A<float>; // expected-note{{forward declaration of 'N::A<float>'}}
8
9  class B : public A<int> { };
10}
11
12class C1 : public N::A<int> { };
13
14class C2 : public N::A<float> { }; // expected-error{{base class has incomplete type}}
15
16struct D1 {
17  operator N::A<int>();
18};
19
20namespace N {
21  struct D2 {
22    operator A<int>();
23  };
24}
25