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// 2005-09-12  Paolo Carlini  <pcarlini@suse.de>
//
// Copyright (C) 2005 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
//
// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
 
// { dg-do compile }
 
#include <ext/vstring.h>
 
struct T
{
  typedef __gnu_cxx::__vstring Vstring;
  typedef Vstring::iterator iterator;
  typedef Vstring::const_iterator const_iterator;
 
  char t(iterator f)             { return *f; }
  char t(const_iterator f) const { return *f; }
};
 
// libstdc++/23767
void f()
{
  __gnu_cxx::__vstring vs;
  T t;
  T::const_iterator i = vs.begin();
 
  t.t(i);
}