--- /dev/null
+// { dg-options "-std=gnu++0x" }
+
+// Copyright (C) 2007, 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 <tuple>
+#include <testsuite_hooks.h>
+
+using namespace std;
+
+int
+main()
+{
+ bool test __attribute__((unused)) = true;
+
+ int x1 = 0;
+ int x2 = 0;
+ int y1 = 0;
+ int y2 = 0;
+ tuple<int,int> ta(1,1);
+ tuple<const int&,const int&> tc(x1,x2);
+ tie(y1,y2)=ta;
+ VERIFY(y1 == 1 && y2 == 1);
+ tie(y1,y2)=tc;
+ VERIFY(y1 == 0 && y2 == 0);
+}