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diff --git a/i686-linux-gnu-4.7/usr/include/c++/4.7/debug/safe_unordered_container.h b/i686-linux-gnu-4.7/usr/include/c++/4.7/debug/safe_unordered_container.h
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+// Safe container implementation  -*- C++ -*-
+
+// Copyright (C) 2011 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 debug/safe_unordered_container.h
+ *  This file is a GNU debug extension to the Standard C++ Library.
+ */
+
+#ifndef _GLIBCXX_DEBUG_SAFE_UNORDERED_CONTAINER_H
+#define _GLIBCXX_DEBUG_SAFE_UNORDERED_CONTAINER_H 1
+
+#include <debug/debug.h>
+#include <debug/macros.h>
+#include <debug/functions.h>
+#include <debug/safe_unordered_base.h>
+
+namespace __gnu_debug
+{
+  /**
+   * @brief Base class for constructing a @a safe unordered container type
+   * that tracks iterators that reference it.
+   *
+   * The class template %_Safe_unordered_container simplifies the
+   * construction of @a safe unordered containers that track the iterators
+   * that reference the container, so that the iterators are notified of
+   * changes in the container that may affect their operation, e.g., if
+   * the container invalidates its iterators or is destructed. This class
+   * template may only be used by deriving from it and passing the name
+   * of the derived class as its template parameter via the curiously
+   * recurring template pattern. The derived class must have @c
+   * iterator and @c const_iterator types that are instantiations of
+   * class template _Safe_iterator for this container and @c local_iterator
+   * and @c const_local_iterator types that are instantiations of class
+   * template _Safe_local_iterator for this container. Iterators will
+   * then be tracked automatically.
+   */
+  template<typename _Container>
+    class _Safe_unordered_container : public _Safe_unordered_container_base
+    {
+    public:
+      /** Invalidates all iterators @c x that reference this container,
+	  are not singular, and for which @c __pred(x) returns @c
+	  true. @c __pred will be invoked with the normal iterators nested
+	  in the safe ones. */
+      template<typename _Predicate>
+	void
+	_M_invalidate_if(_Predicate __pred);
+
+      /** Invalidates all local iterators @c x that reference this container,
+	  are not singular, and for which @c __pred(x) returns @c
+	  true. @c __pred will be invoked with the normal ilocal iterators
+	  nested in the safe ones. */
+      template<typename _Predicate>
+	void
+	_M_invalidate_local_if(_Predicate __pred);
+    };
+} // namespace __gnu_debug
+
+#include <debug/safe_unordered_container.tcc>
+
+#endif