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diff --git a/libstdc++-v3/testsuite/util/testsuite_tr1.h b/libstdc++-v3/testsuite/util/testsuite_tr1.h
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+// -*- C++ -*-
+// Testing utilities for the tr1 testsuite.
+//
+// Copyright (C) 2004, 2005, 2006, 2007, 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/>.
+//
+
+#ifndef _GLIBCXX_TESTSUITE_TR1_H
+#define _GLIBCXX_TESTSUITE_TR1_H
+
+#include <ext/type_traits.h>
+
+namespace __gnu_test
+{
+  // For tr1/type_traits.
+  template<template<typename> class Category, typename Type>
+    bool
+    test_category(bool value)
+    {
+      bool ret = true;
+      ret &= Category<Type>::value == value;
+      ret &= Category<const Type>::value == value;
+      ret &= Category<volatile Type>::value == value;
+      ret &= Category<const volatile Type>::value == value;
+      ret &= Category<Type>::type::value == value;
+      ret &= Category<const Type>::type::value == value;
+      ret &= Category<volatile Type>::type::value == value;
+      ret &= Category<const volatile Type>::type::value == value;
+      return ret;
+    }
+
+  template<template<typename> class Property, typename Type>
+    bool
+    test_property(typename Property<Type>::value_type value)
+    {
+      bool ret = true;
+      ret &= Property<Type>::value == value;
+      ret &= Property<Type>::type::value == value;
+      return ret;
+    }
+
+  // For testing tr1/type_traits/extent, which has a second template
+  // parameter.
+  template<template<typename, unsigned> class Property,
+           typename Type,
+	   unsigned Uint>
+    bool
+    test_property(typename Property<Type, Uint>::value_type value)
+    {
+      bool ret = true;
+      ret &= Property<Type, Uint>::value == value;
+      ret &= Property<Type, Uint>::type::value == value;
+      return ret;
+    }
+
+  template<template<typename, typename> class Relationship,
+           typename Type1, typename Type2>
+    bool
+    test_relationship(bool value)
+    {
+      bool ret = true;
+      ret &= Relationship<Type1, Type2>::value == value;
+      ret &= Relationship<Type1, Type2>::type::value == value;
+      return ret;
+    }
+
+  // Test types.
+  class ClassType { };
+  typedef const ClassType           cClassType;
+  typedef volatile ClassType        vClassType;
+  typedef const volatile ClassType  cvClassType;
+
+  class DerivedType : public ClassType { };
+
+  enum EnumType { e0 };
+
+  struct ConvType
+  { operator int() const; };
+
+  class AbstractClass
+  {
+    virtual void rotate(int) = 0;
+  };
+
+  class PolymorphicClass
+  {
+    virtual void rotate(int);
+  };
+
+  class DerivedPolymorphic : public PolymorphicClass { };
+
+  class VirtualDestructorClass
+  {
+    virtual ~VirtualDestructorClass();
+  };
+
+  union UnionType { };
+
+  class IncompleteClass;
+
+  int truncate_float(float x) { return (int)x; }
+  long truncate_double(double x) { return (long)x; }
+
+  struct do_truncate_float_t
+  {
+    do_truncate_float_t()
+    {
+      ++live_objects;
+    }
+
+    do_truncate_float_t(const do_truncate_float_t&)
+    {
+      ++live_objects;
+    }
+
+    ~do_truncate_float_t()
+    {
+      --live_objects;
+    }
+
+    int operator()(float x) { return (int)x; }
+
+    static int live_objects;
+  };
+
+  int do_truncate_float_t::live_objects = 0;
+
+  struct do_truncate_double_t
+  {
+    do_truncate_double_t()
+    {
+     ++live_objects;
+    }
+
+    do_truncate_double_t(const do_truncate_double_t&)
+    {
+      ++live_objects;
+    }
+
+    ~do_truncate_double_t()
+    {
+      --live_objects;
+    }
+
+    long operator()(double x) { return (long)x; }
+
+    static int live_objects;
+  };
+
+  int do_truncate_double_t::live_objects = 0;
+
+  struct X
+  {
+    int bar;
+
+    int foo()                   { return 1; }
+    int foo_c() const           { return 2; }
+    int foo_v()  volatile       { return 3; }
+    int foo_cv() const volatile { return 4; }
+  };
+
+  // For use in 8_c_compatibility.
+  template<typename R, typename T>
+    typename __gnu_cxx::__enable_if<std::__are_same<R, T>::__value, 
+				    bool>::__type
+    check_ret_type(T)
+    { return true; }
+
+} // namespace __gnu_test
+
+#endif // _GLIBCXX_TESTSUITE_TR1_H