// { dg-require-namedlocale "en_US.ISO8859-1" }

// Copyright (C) 2003-2024 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 3, 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 COPYING3.  If not see
// <http://www.gnu.org/licenses/>.

// 27.8.1.4 Overridden virtual functions

#include <fstream>
#include <locale>
#include <testsuite_hooks.h>

// libstdc++/13171
void test01()
{
  using namespace std;

  filebuf fb;
  
  fb.pubimbue(locale(ISO_8859(1,en_US)));
  fb.pubimbue(locale(ISO_8859(1,en_US)));
  
  fb.open("tmp_13171-1", ios_base::out);
  fb.sputc('F');
  fb.pubsync();
  fb.close();
}

int main()
{
  test01();
}
