--- /dev/null
+// 2005-09-29 Chris Jefferson <chris@bubblescope.net>
+//
+// 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/>.
+
+// Tuple
+
+#include <tr1/tuple>
+#include <tr1/utility>
+#include <testsuite_hooks.h>
+
+using namespace std::tr1;
+using std::pair;
+
+// libstdc++/23978
+void test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ pair<int, int> p(1, 2);
+ int x = 0;
+ int y = 0;
+ tie(x, y) = p;
+ VERIFY( x == 1 && y == 2 );
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}