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diff --git a/libstdc++-v3/include/bits/locale_classes.tcc b/libstdc++-v3/include/bits/locale_classes.tcc
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+// Locale support -*- C++ -*-
+
+// Copyright (C) 2007, 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.
+
+// 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 locale_classes.tcc
+ *  This is an internal header file, included by other library headers.
+ *  You should not attempt to use it directly.
+ */
+
+//
+// ISO C++ 14882: 22.1  Locales
+//
+
+#ifndef _LOCALE_CLASSES_TCC
+#define _LOCALE_CLASSES_TCC 1
+
+#pragma GCC system_header
+
+_GLIBCXX_BEGIN_NAMESPACE(std)
+
+  template<typename _Facet>
+    locale::
+    locale(const locale& __other, _Facet* __f)
+    {
+      _M_impl = new _Impl(*__other._M_impl, 1);
+
+      __try
+	{ _M_impl->_M_install_facet(&_Facet::id, __f); }
+      __catch(...)
+	{
+	  _M_impl->_M_remove_reference();
+	  __throw_exception_again;
+	}
+      delete [] _M_impl->_M_names[0];
+      _M_impl->_M_names[0] = 0;   // Unnamed.
+    }
+
+  template<typename _Facet>
+    locale
+    locale::
+    combine(const locale& __other) const
+    {
+      _Impl* __tmp = new _Impl(*_M_impl, 1);
+      __try
+	{
+	  __tmp->_M_replace_facet(__other._M_impl, &_Facet::id);
+	}
+      __catch(...)
+	{
+	  __tmp->_M_remove_reference();
+	  __throw_exception_again;
+	}
+      return locale(__tmp);
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    bool
+    locale::
+    operator()(const basic_string<_CharT, _Traits, _Alloc>& __s1,
+	       const basic_string<_CharT, _Traits, _Alloc>& __s2) const
+    {
+      typedef std::collate<_CharT> __collate_type;
+      const __collate_type& __collate = use_facet<__collate_type>(*this);
+      return (__collate.compare(__s1.data(), __s1.data() + __s1.length(),
+				__s2.data(), __s2.data() + __s2.length()) < 0);
+    }
+
+
+  template<typename _Facet>
+    bool
+    has_facet(const locale& __loc) throw()
+    {
+      const size_t __i = _Facet::id._M_id();
+      const locale::facet** __facets = __loc._M_impl->_M_facets;
+      return (__i < __loc._M_impl->_M_facets_size
+#ifdef __GXX_RTTI
+	      && dynamic_cast<const _Facet*>(__facets[__i]));
+#else
+              && static_cast<const _Facet*>(__facets[__i]));
+#endif
+    }
+
+  template<typename _Facet>
+    const _Facet&
+    use_facet(const locale& __loc)
+    {
+      const size_t __i = _Facet::id._M_id();
+      const locale::facet** __facets = __loc._M_impl->_M_facets;
+      if (__i >= __loc._M_impl->_M_facets_size || !__facets[__i])
+        __throw_bad_cast();
+#ifdef __GXX_RTTI
+      return dynamic_cast<const _Facet&>(*__facets[__i]);
+#else
+      return static_cast<const _Facet&>(*__facets[__i]);
+#endif
+    }
+
+
+  // Generic version does nothing.
+  template<typename _CharT>
+    int
+    collate<_CharT>::_M_compare(const _CharT*, const _CharT*) const
+    { return 0; }
+
+  // Generic version does nothing.
+  template<typename _CharT>
+    size_t
+    collate<_CharT>::_M_transform(_CharT*, const _CharT*, size_t) const
+    { return 0; }
+
+  template<typename _CharT>
+    int
+    collate<_CharT>::
+    do_compare(const _CharT* __lo1, const _CharT* __hi1,
+	       const _CharT* __lo2, const _CharT* __hi2) const
+    {
+      // strcoll assumes zero-terminated strings so we make a copy
+      // and then put a zero at the end.
+      const string_type __one(__lo1, __hi1);
+      const string_type __two(__lo2, __hi2);
+
+      const _CharT* __p = __one.c_str();
+      const _CharT* __pend = __one.data() + __one.length();
+      const _CharT* __q = __two.c_str();
+      const _CharT* __qend = __two.data() + __two.length();
+
+      // strcoll stops when it sees a nul character so we break
+      // the strings into zero-terminated substrings and pass those
+      // to strcoll.
+      for (;;)
+	{
+	  const int __res = _M_compare(__p, __q);
+	  if (__res)
+	    return __res;
+
+	  __p += char_traits<_CharT>::length(__p);
+	  __q += char_traits<_CharT>::length(__q);
+	  if (__p == __pend && __q == __qend)
+	    return 0;
+	  else if (__p == __pend)
+	    return -1;
+	  else if (__q == __qend)
+	    return 1;
+
+	  __p++;
+	  __q++;
+	}
+    }
+
+  template<typename _CharT>
+    typename collate<_CharT>::string_type
+    collate<_CharT>::
+    do_transform(const _CharT* __lo, const _CharT* __hi) const
+    {
+      string_type __ret;
+
+      // strxfrm assumes zero-terminated strings so we make a copy
+      const string_type __str(__lo, __hi);
+
+      const _CharT* __p = __str.c_str();
+      const _CharT* __pend = __str.data() + __str.length();
+
+      size_t __len = (__hi - __lo) * 2;
+
+      _CharT* __c = new _CharT[__len];
+
+      __try
+	{
+	  // strxfrm stops when it sees a nul character so we break
+	  // the string into zero-terminated substrings and pass those
+	  // to strxfrm.
+	  for (;;)
+	    {
+	      // First try a buffer perhaps big enough.
+	      size_t __res = _M_transform(__c, __p, __len);
+	      // If the buffer was not large enough, try again with the
+	      // correct size.
+	      if (__res >= __len)
+		{
+		  __len = __res + 1;
+		  delete [] __c, __c = 0;
+		  __c = new _CharT[__len];
+		  __res = _M_transform(__c, __p, __len);
+		}
+
+	      __ret.append(__c, __res);
+	      __p += char_traits<_CharT>::length(__p);
+	      if (__p == __pend)
+		break;
+
+	      __p++;
+	      __ret.push_back(_CharT());
+	    }
+	}
+      __catch(...)
+	{
+	  delete [] __c;
+	  __throw_exception_again;
+	}
+
+      delete [] __c;
+
+      return __ret;
+    }
+
+  template<typename _CharT>
+    long
+    collate<_CharT>::
+    do_hash(const _CharT* __lo, const _CharT* __hi) const
+    {
+      unsigned long __val = 0;
+      for (; __lo < __hi; ++__lo)
+	__val =
+	  *__lo + ((__val << 7)
+		   | (__val >> (__gnu_cxx::__numeric_traits<unsigned long>::
+				__digits - 7)));
+      return static_cast<long>(__val);
+    }
+
+  // Inhibit implicit instantiations for required instantiations,
+  // which are defined via explicit instantiations elsewhere.
+  // NB: This syntax is a GNU extension.
+#if _GLIBCXX_EXTERN_TEMPLATE
+  extern template class collate<char>;
+  extern template class collate_byname<char>;
+
+  extern template
+    const collate<char>&
+    use_facet<collate<char> >(const locale&);
+
+  extern template
+    bool
+    has_facet<collate<char> >(const locale&);
+
+#ifdef _GLIBCXX_USE_WCHAR_T
+  extern template class collate<wchar_t>;
+  extern template class collate_byname<wchar_t>;
+
+  extern template
+    const collate<wchar_t>&
+    use_facet<collate<wchar_t> >(const locale&);
+
+  extern template
+    bool
+    has_facet<collate<wchar_t> >(const locale&);
+#endif
+#endif
+
+_GLIBCXX_END_NAMESPACE
+
+#endif