--- /dev/null
+// { dg-do compile }
+// -*- C++ -*-
+
+// Copyright (C) 2004, 2008, 2009 Free Software Foundation, Inc.
+
+// 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/>.
+
+
+// Benjamin Kosnik <bkoz@redhat.com>
+
+#include <ios>
+#include <testsuite_common_types.h>
+
+int main()
+{
+ __gnu_test::bitmask_operators<std::ios_base::iostate>();
+};