1// { dg-do compile }
2
3// Copyright (C) 2004 Free Software Foundation
4// Contributed by Kriang Lerdsuwanakij <lerdsuwa@users.sourceforge.net>
5
6// Nested class template of class template as friend
7
8template<class T> struct A
9{
10  template <T t> struct B
11  {
12    void f();
13  };
14};
15
16template <class U> class C {
17  int i;
18  template<class T> template <T t> friend struct A<T>::B;
19};
20
21template<class T> struct A<T*>
22{
23  template <T* t> struct B
24  {
25    void f();
26  };
27};
28
29template<> struct A<char>
30{
31  template <char t> struct B
32  {
33    void f();
34  };
35};
36
37template<class T> template <T t> void A<T>::B<t>::f()
38{
39  C<int> c;
40  c.i = 0;
41}
42
43template<class T> template <T* t> void A<T*>::B<t>::f()
44{
45  C<int> c;
46  c.i = 0;
47}
48
49template <char t> void A<char>::B<t>::f()
50{
51  C<int> c;
52  c.i = 0;
53}
54
55template <> void A<char>::B<'b'>::f()
56{
57  C<int> c;
58  c.i = 0;
59}
60
61int d2 = 0;
62
63int main()
64{
65  A<int>::B<0> b1;
66  b1.f();
67  A<int *>::B<&d2> b2;
68  b2.f();
69  A<char>::B<'a'> b3;
70  b3.f();
71  A<char>::B<'b'> b4;
72  b4.f();
73}
74