1 files changed, 28 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/ext/concurrence_unlock_error/cons_virtual_derivation.cc b/libstdc++-v3/testsuite/ext/concurrence_unlock_error/cons_virtual_derivation.cc
new file mode 100644
index 000000000..2503724bc
--- /dev/null
+++ b/libstdc++-v3/testsuite/ext/concurrence_unlock_error/cons_virtual_derivation.cc
@@ -0,0 +1,28 @@
+// 2007-05-29 Benjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2007, 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/>.
+
+#include <ext/concurrence.h>
+#include <testsuite_api.h>
+
+int main()
+{
+  typedef __gnu_cxx::__concurrence_unlock_error test_type;
+  __gnu_test::diamond_derivation<test_type, true>::test();
+  return 0;
+}