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