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diff --git a/gcc-4.4.3/libstdc++-v3/testsuite/20_util/reference_wrapper/invoke.cc b/gcc-4.4.3/libstdc++-v3/testsuite/20_util/reference_wrapper/invoke.cc
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+++ b/gcc-4.4.3/libstdc++-v3/testsuite/20_util/reference_wrapper/invoke.cc
@@ -0,0 +1,114 @@
+// { dg-options "-std=gnu++0x" }
+
+// 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 <functional>
+#include <type_traits>
+#include <testsuite_hooks.h>
+#include <testsuite_tr1.h>
+
+using namespace __gnu_test;
+
+bool test __attribute__((unused)) = true;
+
+struct X
+{
+ typedef int result_type;
+
+ X() : bar(17) {}
+
+ int foo(float x) { return truncate_float(x); }
+ int foo_c(float x) const { return truncate_float(x); }
+ int foo_v(float x) volatile { return truncate_float(x); }
+ int foo_cv(float x) const volatile { return truncate_float(x); }
+
+ int operator()(float x)
+ {
+ return foo(x) + 1;
+ }
+
+ int operator()(float x) const
+ {
+ return foo_c(x) + 2;
+ }
+
+ int bar;
+
+ private:
+ X(const X&);
+ X& operator=(const X&);
+};
+
+int seventeen() { return 17; }
+
+struct get_seventeen
+{
+ typedef int result_type;
+ int operator()() const { return 17; }
+};
+
+void test01()
+{
+ using std::ref;
+ using std::cref;
+
+ ::get_seventeen get_sev;
+ ::X x;
+ ::X* xp = &x;
+ int (::X::* p_foo)(float) = &::X::foo;
+ int (::X::* p_foo_c)(float) const = &::X::foo_c;
+ int (::X::* p_foo_v)(float) volatile = &::X::foo_v;
+ int (::X::* p_foo_cv)(float) const volatile = &::X::foo_cv;
+ int ::X::* p_bar = &::X::bar;
+
+ const float pi = 3.14;
+
+ // Functions
+ VERIFY(ref(truncate_float)(pi) == 3);
+ VERIFY(ref(seventeen)() == 17);
+
+ // Function pointers
+ VERIFY(cref(&truncate_float)(pi) == 3);
+ VERIFY(cref(&seventeen)() == 17);
+
+ // Member function pointers
+ VERIFY(ref(p_foo)(x, pi) == 3);
+ VERIFY(ref(p_foo)(xp, pi) == 3);
+ VERIFY(ref(p_foo_c)(x, pi) == 3);
+ VERIFY(ref(p_foo_c)(xp, pi) == 3);
+ VERIFY(ref(p_foo_v)(x, pi) == 3);
+ VERIFY(ref(p_foo_v)(xp, pi) == 3);
+ VERIFY(ref(p_foo_cv)(x, pi) == 3);
+ VERIFY(ref(p_foo_cv)(xp, pi) == 3);
+
+ // Member data pointers
+ VERIFY(ref(p_bar)(x) == 17);
+ VERIFY(ref(p_bar)(xp) == 17);
+
+ // Function objects
+ VERIFY(ref(get_sev)() == 17);
+ VERIFY(cref(get_sev)() == 17);
+ VERIFY(ref(x)(pi) == 4);
+ VERIFY(cref(x)(pi) == 5);
+}
+
+int main()
+{
+ test01();
+ return 0;
+}