--- /dev/null
+// { dg-do compile }
+
+// 2005-02-17 Matt Austern <austern@apple.com>
+//
+// Copyright (C) 2005, 2009 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/>.
+
+// 6.3.3 class template hash
+
+#include <string>
+#include <tr1/functional>
+
+using namespace std::tr1;
+
+// Verify that we can instantiate hash for every required type.
+template class hash<bool>;
+template class hash<char>;
+template class hash<signed char>;
+template class hash<unsigned char>;
+template class hash<short>;
+template class hash<int>;
+template class hash<long>;
+template class hash<unsigned short>;
+template class hash<unsigned int>;
+template class hash<unsigned long>;
+template class hash<float>;
+template class hash<double>;
+template class hash<long double>;
+template class hash<void*>;
+template class hash<std::string>;
+
+#ifdef _GLIBCXX_USE_WCHAR_T
+template class hash<wchar_t>;
+template class hash<std::wstring>;
+#endif
+