obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
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1 files changed, 145 insertions, 0 deletions

diff --git a/libstdc++-v3/include/bits/move.h b/libstdc++-v3/include/bits/move.h
new file mode 100644
index 000000000..f5918999c
--- /dev/null
+++ b/libstdc++-v3/include/bits/move.h
@@ -0,0 +1,145 @@
+// Move, forward and identity for C++0x + swap -*- C++ -*-
+
+// Copyright (C) 2007, 2008, 2009, 2010 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file bits/move.h
+ *  This is an internal header file, included by other library headers.
+ *  Do not attempt to use it directly. @headername{utility}
+ */
+
+#ifndef _MOVE_H
+#define _MOVE_H 1
+
+#include <bits/c++config.h>
+#include <bits/concept_check.h>
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+  // Used, in C++03 mode too, by allocators, etc.
+  template<typename _Tp>
+    inline _Tp*
+    __addressof(_Tp& __r)
+    {
+      return reinterpret_cast<_Tp*>
+	(&const_cast<char&>(reinterpret_cast<const volatile char&>(__r)));
+    }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+#include <type_traits> // Brings in std::declval too.
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+  
+  /// forward (as per N3143)
+  template<typename _Tp>
+    inline _Tp&&
+    forward(typename std::remove_reference<_Tp>::type& __t) 
+    { return static_cast<_Tp&&>(__t); }
+
+  template<typename _Tp>
+    inline _Tp&&
+    forward(typename std::remove_reference<_Tp>::type&& __t) 
+    {
+      static_assert(!std::is_lvalue_reference<_Tp>::value, "template argument"
+		    " substituting _Tp is an lvalue reference type");
+      return static_cast<_Tp&&>(__t);
+    }
+
+  /**
+   *  @brief Move a value.
+   *  @ingroup mutating_algorithms
+   *  @param  __t  A thing of arbitrary type.
+   *  @return Same, moved.
+  */
+  template<typename _Tp>
+    inline typename std::remove_reference<_Tp>::type&&
+    move(_Tp&& __t)
+    { return static_cast<typename std::remove_reference<_Tp>::type&&>(__t); }
+
+  /// declval, from type_traits.
+
+  /**
+   *  @brief Returns the actual address of the object or function
+   *         referenced by r, even in the presence of an overloaded
+   *         operator&.
+   *  @param  __r  Reference to an object or function.
+   *  @return   The actual address.
+  */
+  template<typename _Tp>
+    inline _Tp*
+    addressof(_Tp& __r)
+    { return std::__addressof(__r); }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
+
+#define _GLIBCXX_MOVE(__val) std::move(__val)
+#define _GLIBCXX_FORWARD(_Tp, __val) std::forward<_Tp>(__val)
+#else
+#define _GLIBCXX_MOVE(__val) (__val)
+#define _GLIBCXX_FORWARD(_Tp, __val) (__val)
+#endif
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+  /**
+   *  @brief Swaps two values.
+   *  @ingroup mutating_algorithms
+   *  @param  __a  A thing of arbitrary type.
+   *  @param  __b  Another thing of arbitrary type.
+   *  @return   Nothing.
+  */
+  template<typename _Tp>
+    inline void
+    swap(_Tp& __a, _Tp& __b)
+    {
+      // concept requirements
+      __glibcxx_function_requires(_SGIAssignableConcept<_Tp>)
+
+      _Tp __tmp = _GLIBCXX_MOVE(__a);
+      __a = _GLIBCXX_MOVE(__b);
+      __b = _GLIBCXX_MOVE(__tmp);
+    }
+
+  // _GLIBCXX_RESOLVE_LIB_DEFECTS
+  // DR 809. std::swap should be overloaded for array types.
+  template<typename _Tp, size_t _Nm>
+    inline void
+    swap(_Tp (&__a)[_Nm], _Tp (&__b)[_Nm])
+    {
+      for (size_t __n = 0; __n < _Nm; ++__n)
+	swap(__a[__n], __b[__n]);
+    }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
+
+#endif /* _MOVE_H */