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+++ b/gcc-4.9/libstdc++-v3/testsuite/20_util/forward/1.cc
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+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+
+// 2007-07-10 Paolo Carlini <pcarlini@suse.de>
+//
+// Copyright (C) 2007-2014 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 <memory>
+#include <utility>
+
+template<class T, class A1, class A2>
+ std::shared_ptr<T>
+ factory(A1&& a1, A2&& a2)
+ {
+ return std::shared_ptr<T>(new T(std::forward<A1>(a1),
+ std::forward<A2>(a2)));
+ }
+
+struct A
+{
+ A(int&, const double&);
+};
+
+void g()
+{
+ int i = 2;
+ std::shared_ptr<A> sp1 = factory<A>(i, 1.414);
+}