-// Copyright (C) 2003-2015 Free Software Foundation, Inc.
+// Copyright (C) 2003-2020 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
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
+// { dg-require-fileio "" }
+
#include <iostream>
#include <cstdio>
#include <cwchar>