--- /dev/null
+// { dg-do compile }
+
+// 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/>.
+
+
+#include <string>
+#include <algorithm>
+
+template<class T>
+ class W
+ {
+ public:
+ T data;
+ };
+
+template<class T>
+ void
+ swap(W<T>& x, W<T>& y)
+ {
+ using std::swap;
+ swap(x.data, y.data);
+ }
+
+// DR 809. std::swap should be overloaded for array types.
+void test01()
+{
+ W<std::string[8]> w1, w2; // Two objects of a Swappable type.
+
+ using std::swap;
+ swap(w1, w2);
+}