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diff --git a/libstdc++-v3/include/debug/set.h b/libstdc++-v3/include/debug/set.h
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+++ b/libstdc++-v3/include/debug/set.h
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+// Debugging set implementation -*- C++ -*-
+
+// Copyright (C) 2003, 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.
+
+// 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
+// .
+
+/** @file debug/set.h
+ * This file is a GNU debug extension to the Standard C++ Library.
+ */
+
+#ifndef _GLIBCXX_DEBUG_SET_H
+#define _GLIBCXX_DEBUG_SET_H 1
+
+#include
+#include
+#include
+
+namespace std
+{
+namespace __debug
+{
+ template,
+ typename _Allocator = std::allocator<_Key> >
+ class set
+ : public _GLIBCXX_STD_D::set<_Key,_Compare,_Allocator>,
+ public __gnu_debug::_Safe_sequence >
+ {
+ typedef _GLIBCXX_STD_D::set<_Key, _Compare, _Allocator> _Base;
+ typedef __gnu_debug::_Safe_sequence _Safe_base;
+
+ public:
+ // types:
+ typedef _Key key_type;
+ typedef _Key value_type;
+ typedef _Compare key_compare;
+ typedef _Compare value_compare;
+ typedef _Allocator allocator_type;
+ typedef typename _Base::reference reference;
+ typedef typename _Base::const_reference const_reference;
+
+ typedef __gnu_debug::_Safe_iterator
+ iterator;
+ typedef __gnu_debug::_Safe_iterator
+ const_iterator;
+
+ typedef typename _Base::size_type size_type;
+ typedef typename _Base::difference_type difference_type;
+ typedef typename _Base::pointer pointer;
+ typedef typename _Base::const_pointer const_pointer;
+ typedef std::reverse_iterator reverse_iterator;
+ typedef std::reverse_iterator const_reverse_iterator;
+
+ // 23.3.3.1 construct/copy/destroy:
+ explicit set(const _Compare& __comp = _Compare(),
+ const _Allocator& __a = _Allocator())
+ : _Base(__comp, __a) { }
+
+ template
+ set(_InputIterator __first, _InputIterator __last,
+ const _Compare& __comp = _Compare(),
+ const _Allocator& __a = _Allocator())
+ : _Base(__gnu_debug::__check_valid_range(__first, __last), __last,
+ __comp, __a) { }
+
+ set(const set& __x)
+ : _Base(__x), _Safe_base() { }
+
+ set(const _Base& __x)
+ : _Base(__x), _Safe_base() { }
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ set(set&& __x)
+ : _Base(std::forward(__x)), _Safe_base()
+ { this->_M_swap(__x); }
+
+ set(initializer_list __l,
+ const _Compare& __comp = _Compare(),
+ const allocator_type& __a = allocator_type())
+ : _Base(__l, __comp, __a), _Safe_base() { }
+#endif
+
+ ~set() { }
+
+ set&
+ operator=(const set& __x)
+ {
+ *static_cast<_Base*>(this) = __x;
+ this->_M_invalidate_all();
+ return *this;
+ }
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ set&
+ operator=(set&& __x)
+ {
+ // NB: DR 675.
+ clear();
+ swap(__x);
+ return *this;
+ }
+
+ set&
+ operator=(initializer_list __l)
+ {
+ this->clear();
+ this->insert(__l);
+ return *this;
+ }
+#endif
+
+ using _Base::get_allocator;
+
+ // iterators:
+ iterator
+ begin()
+ { return iterator(_Base::begin(), this); }
+
+ const_iterator
+ begin() const
+ { return const_iterator(_Base::begin(), this); }
+
+ iterator
+ end()
+ { return iterator(_Base::end(), this); }
+
+ const_iterator
+ end() const
+ { return const_iterator(_Base::end(), this); }
+
+ reverse_iterator
+ rbegin()
+ { return reverse_iterator(end()); }
+
+ const_reverse_iterator
+ rbegin() const
+ { return const_reverse_iterator(end()); }
+
+ reverse_iterator
+ rend()
+ { return reverse_iterator(begin()); }
+
+ const_reverse_iterator
+ rend() const
+ { return const_reverse_iterator(begin()); }
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ const_iterator
+ cbegin() const
+ { return const_iterator(_Base::begin(), this); }
+
+ const_iterator
+ cend() const
+ { return const_iterator(_Base::end(), this); }
+
+ const_reverse_iterator
+ crbegin() const
+ { return const_reverse_iterator(end()); }
+
+ const_reverse_iterator
+ crend() const
+ { return const_reverse_iterator(begin()); }
+#endif
+
+ // capacity:
+ using _Base::empty;
+ using _Base::size;
+ using _Base::max_size;
+
+ // modifiers:
+ std::pair
+ insert(const value_type& __x)
+ {
+ typedef typename _Base::iterator _Base_iterator;
+ std::pair<_Base_iterator, bool> __res = _Base::insert(__x);
+ return std::pair(iterator(__res.first, this),
+ __res.second);
+ }
+
+ iterator
+ insert(iterator __position, const value_type& __x)
+ {
+ __glibcxx_check_insert(__position);
+ return iterator(_Base::insert(__position.base(), __x), this);
+ }
+
+ template
+ void
+ insert(_InputIterator __first, _InputIterator __last)
+ {
+ __glibcxx_check_valid_range(__first, __last);
+ _Base::insert(__first, __last);
+ }
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ void
+ insert(initializer_list __l)
+ { _Base::insert(__l); }
+#endif
+
+ void
+ erase(iterator __position)
+ {
+ __glibcxx_check_erase(__position);
+ __position._M_invalidate();
+ _Base::erase(__position.base());
+ }
+
+ size_type
+ erase(const key_type& __x)
+ {
+ iterator __victim = find(__x);
+ if (__victim == end())
+ return 0;
+ else
+ {
+ __victim._M_invalidate();
+ _Base::erase(__victim.base());
+ return 1;
+ }
+ }
+
+ void
+ erase(iterator __first, iterator __last)
+ {
+ // _GLIBCXX_RESOLVE_LIB_DEFECTS
+ // 151. can't currently clear() empty container
+ __glibcxx_check_erase_range(__first, __last);
+
+ while (__first != __last)
+ this->erase(__first++);
+ }
+
+ void
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ swap(set&& __x)
+#else
+ swap(set& __x)
+#endif
+ {
+ _Base::swap(__x);
+ this->_M_swap(__x);
+ }
+
+ void
+ clear()
+ { this->erase(begin(), end()); }
+
+ // observers:
+ using _Base::key_comp;
+ using _Base::value_comp;
+
+ // set operations:
+ iterator
+ find(const key_type& __x)
+ { return iterator(_Base::find(__x), this); }
+
+ // _GLIBCXX_RESOLVE_LIB_DEFECTS
+ // 214. set::find() missing const overload
+ const_iterator
+ find(const key_type& __x) const
+ { return const_iterator(_Base::find(__x), this); }
+
+ using _Base::count;
+
+ iterator
+ lower_bound(const key_type& __x)
+ { return iterator(_Base::lower_bound(__x), this); }
+
+ // _GLIBCXX_RESOLVE_LIB_DEFECTS
+ // 214. set::find() missing const overload
+ const_iterator
+ lower_bound(const key_type& __x) const
+ { return const_iterator(_Base::lower_bound(__x), this); }
+
+ iterator
+ upper_bound(const key_type& __x)
+ { return iterator(_Base::upper_bound(__x), this); }
+
+ // _GLIBCXX_RESOLVE_LIB_DEFECTS
+ // 214. set::find() missing const overload
+ const_iterator
+ upper_bound(const key_type& __x) const
+ { return const_iterator(_Base::upper_bound(__x), this); }
+
+ std::pair
+ equal_range(const key_type& __x)
+ {
+ typedef typename _Base::iterator _Base_iterator;
+ std::pair<_Base_iterator, _Base_iterator> __res =
+ _Base::equal_range(__x);
+ return std::make_pair(iterator(__res.first, this),
+ iterator(__res.second, this));
+ }
+
+ // _GLIBCXX_RESOLVE_LIB_DEFECTS
+ // 214. set::find() missing const overload
+ std::pair
+ equal_range(const key_type& __x) const
+ {
+ typedef typename _Base::const_iterator _Base_iterator;
+ std::pair<_Base_iterator, _Base_iterator> __res =
+ _Base::equal_range(__x);
+ return std::make_pair(const_iterator(__res.first, this),
+ const_iterator(__res.second, this));
+ }
+
+ _Base&
+ _M_base() { return *this; }
+
+ const _Base&
+ _M_base() const { return *this; }
+
+ private:
+ void
+ _M_invalidate_all()
+ {
+ typedef typename _Base::const_iterator _Base_const_iterator;
+ typedef __gnu_debug::_Not_equal_to<_Base_const_iterator> _Not_equal;
+ this->_M_invalidate_if(_Not_equal(_M_base().end()));
+ }
+ };
+
+ template
+ inline bool
+ operator==(const set<_Key, _Compare, _Allocator>& __lhs,
+ const set<_Key, _Compare, _Allocator>& __rhs)
+ { return __lhs._M_base() == __rhs._M_base(); }
+
+ template
+ inline bool
+ operator!=(const set<_Key, _Compare, _Allocator>& __lhs,
+ const set<_Key, _Compare, _Allocator>& __rhs)
+ { return __lhs._M_base() != __rhs._M_base(); }
+
+ template
+ inline bool
+ operator<(const set<_Key, _Compare, _Allocator>& __lhs,
+ const set<_Key, _Compare, _Allocator>& __rhs)
+ { return __lhs._M_base() < __rhs._M_base(); }
+
+ template
+ inline bool
+ operator<=(const set<_Key, _Compare, _Allocator>& __lhs,
+ const set<_Key, _Compare, _Allocator>& __rhs)
+ { return __lhs._M_base() <= __rhs._M_base(); }
+
+ template
+ inline bool
+ operator>=(const set<_Key, _Compare, _Allocator>& __lhs,
+ const set<_Key, _Compare, _Allocator>& __rhs)
+ { return __lhs._M_base() >= __rhs._M_base(); }
+
+ template
+ inline bool
+ operator>(const set<_Key, _Compare, _Allocator>& __lhs,
+ const set<_Key, _Compare, _Allocator>& __rhs)
+ { return __lhs._M_base() > __rhs._M_base(); }
+
+ template
+ void
+ swap(set<_Key, _Compare, _Allocator>& __x,
+ set<_Key, _Compare, _Allocator>& __y)
+ { return __x.swap(__y); }
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ template
+ void
+ swap(set<_Key, _Compare, _Allocator>&& __x,
+ set<_Key, _Compare, _Allocator>& __y)
+ { return __x.swap(__y); }
+
+ template
+ void
+ swap(set<_Key, _Compare, _Allocator>& __x,
+ set<_Key, _Compare, _Allocator>&& __y)
+ { return __x.swap(__y); }
+#endif
+
+} // namespace __debug
+} // namespace std
+
+#endif