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diff --git a/libstdc++-v3/testsuite/20_util/unique_ptr/assign/move.cc b/libstdc++-v3/testsuite/20_util/unique_ptr/assign/move.cc
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--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/unique_ptr/assign/move.cc
@@ -0,0 +1,52 @@
+// { dg-options "-std=gnu++0x" }
+
+// Copyright (C) 2008, 2009 Free Software Foundation
+//
+// 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/>.
+
+// 20.6.11 Template class unique_ptr [unique.ptr]
+
+#include <memory>
+#include <testsuite_hooks.h>
+
+struct B { virtual ~B() {} };
+struct D : public B {};
+
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  D *d = new D;
+  std::unique_ptr<D> p1(d);
+  std::unique_ptr<D> p2(new D);
+  p2 = std::move(p1);
+
+  VERIFY( p1.get() == 0 );
+  VERIFY( p2.get() == d );
+
+  std::unique_ptr<B> p3(new B);
+  p3 = std::move(p2);
+
+  VERIFY( p2.get() == 0 );
+  VERIFY( p3.get() == d );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}