--- /dev/null
+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+
+// Copyright (C) 2008, 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/>.
+
+
+// This file tests explicit instantiation of __versa_string
+
+#include <ext/vstring.h>
+
+template class __gnu_cxx::__versa_string<char32_t, std::char_traits<char32_t>,
+ std::allocator<char32_t>,
+ __gnu_cxx::__sso_string_base>;
+
+template class __gnu_cxx::__versa_string<char32_t, std::char_traits<char32_t>,
+ std::allocator<char32_t>,
+ __gnu_cxx::__rc_string_base>;