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diff --git a/libstdc++-v3/testsuite/tr1/3_function_objects/result_of.cc b/libstdc++-v3/testsuite/tr1/3_function_objects/result_of.cc
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+// 2005-01-26 Douglas Gregor <doug.gregor -at- gmail.com>
+//
+// Copyright (C) 2005 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 3.4 function return types
+#include <tr1/functional>
+#include <tr1/type_traits>
+#include <testsuite_hooks.h>
+#include <testsuite_tr1.h>
+
+class X {};
+
+struct int_result_type { typedef int result_type; };
+
+struct int_result_of
+{
+  template<typename F> struct result { typedef int type; };
+};
+
+struct int_result_type_and_float_result_of
+{
+  typedef int result_type;
+  template<typename F> struct result { typedef float type; };
+};
+
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  using std::tr1::result_of;
+  using std::tr1::is_same;
+  using namespace __gnu_test;
+
+  typedef int (*func_ptr)(float, double);
+  typedef int (&func_ref)(float, double);
+  typedef int (::X::*mem_func_ptr)(float);
+  typedef int (::X::*mem_func_ptr_c)(float) const;
+  typedef int (::X::*mem_func_ptr_v)(float) volatile;
+  typedef int (::X::*mem_func_ptr_cv)(float) const volatile;
+
+  VERIFY((is_same<result_of<int_result_type(float)>::type, int>::value));
+  VERIFY((is_same<result_of<int_result_of(double)>::type, int>::value));
+  VERIFY((is_same<result_of<int_result_of(void)>::type, void>::value));
+  VERIFY((is_same<result_of<const int_result_of(double)>::type, int>::value));
+  VERIFY((is_same<result_of<volatile int_result_of(void)>::type, void>::value));
+  VERIFY((is_same<result_of<int_result_type_and_float_result_of(char)>::type, int>::value));
+  VERIFY((is_same<result_of<func_ptr(char, float)>::type, int>::value));
+  VERIFY((is_same<result_of<func_ref(char, float)>::type, int>::value));
+  VERIFY((is_same<result_of<mem_func_ptr(::X,char)>::type, int>::value));
+  VERIFY((is_same<result_of<mem_func_ptr_c(::X,char)>::type, int>::value));
+  VERIFY((is_same<result_of<mem_func_ptr_v(::X,char)>::type, int>::value));
+  VERIFY((is_same<result_of<mem_func_ptr_cv(::X,char)>::type, int>::value));
+}
+
+int main()
+{
+  test01();
+  return 0;
+}