--- /dev/null
+// 2003-04-26 Petur Runolfsson <peturr02@ru.is>
+
+// Copyright (C) 2003, 2009 Free Software Foundation
+//
+// 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/>.
+
+// 27.4.2.4 ios_base static members
+
+#include <testsuite_hooks.h>
+#include <iostream>
+
+// libstdc++/9523
+void test01()
+{
+ using namespace std;
+
+ int index = ios_base::xalloc();
+
+ cin.iword(index) = 5;
+ cout.iword(index) = 6;
+ cerr.iword(index) = 7;
+ clog.iword(index) = 8;
+
+ ios_base::sync_with_stdio(false);
+
+ VERIFY( cin.iword(index) == 5 );
+ VERIFY( cout.iword(index) == 6 );
+ VERIFY( cerr.iword(index) == 7 );
+ VERIFY( clog.iword(index) == 8 );
+}
+
+int main()
+{
+ test01();
+ return 0;
+}
+