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 of class template as friend 7 8 template<class T> struct A 9 { 10 struct B 11 { 12 void f(); 13 }; 14 }; 15 16 template <class U> class C { 17 int i; 18 template<class T> friend struct A<T>::B; 19 }; 20 21 template<class T> struct A<T*> 22 { 23 struct B 24 { 25 void f(); 26 }; 27 }; 28 29 template<> struct A<char> 30 { 31 struct B 32 { 33 void f(); 34 }; 35 }; 36 37 template<class T> void A<T>::B::f() 38 { 39 C<int> c; 40 c.i = 0; 41 } 42 43 template<class T> void A<T*>::B::f() 44 { 45 C<int> c; 46 c.i = 0; 47 } 48 49 void A<char>::B::f() 50 { 51 C<int> c; 52 c.i = 0; 53 } 54 55 int main() 56 { 57 A<int>::B b1; 58 b1.f(); 59 A<int *>::B b2; 60 b2.f(); 61 A<char>::B b3; 62 b3.f(); 63 } 64