view gcc/testsuite/g++.dg/template/memfriend15.C @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
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// { dg-do compile }

// Copyright (C) 2004 Free Software Foundation
// Contributed by Kriang Lerdsuwanakij <lerdsuwa@users.sourceforge.net>

// Nested class of class template as friend

template<class T> struct A
{
  struct B1
  {
  };
  struct B2
  {
    void f();
  };
};

class C {
  int i;	// { dg-message "private" }
  template<class T> friend struct A<T>::B1;
};

template<class T> void A<T>::B2::f()
{
  C c;
  c.i = 0;	// { dg-error "context" }
}

int main()
{
  A<int>::B2 b1;
  b1.f();	// { dg-message "required" }
}