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diff --git a/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/exception.hpp b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/exception.hpp
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+++ b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/exception.hpp
@@ -0,0 +1,103 @@
+// -*- C++ -*-
+
+// Copyright (C) 2005, 2006, 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/>.
+
+// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
+
+// Permission to use, copy, modify, sell, and distribute this software
+// is hereby granted without fee, provided that the above copyright
+// notice appears in all copies, and that both that copyright notice
+// and this permission notice appear in supporting documentation. None
+// of the above authors, nor IBM Haifa Research Laboratories, make any
+// representation about the suitability of this software for any
+// purpose. It is provided "as is" without express or implied
+// warranty.
+
+/**
+ * @file exception.hpp
+ * Contains exception classes.
+ */
+
+#ifndef PB_DS_EXCEPTION_HPP
+#define PB_DS_EXCEPTION_HPP
+
+#include <stdexcept>
+#include <cstdlib>
+
+namespace __gnu_pbds
+{
+  // Base class for exceptions.
+  struct container_error : public std::logic_error
+  {
+    container_error() 
+    : std::logic_error(__N("__gnu_pbds::container_error")) { }
+  };
+
+  // An entry cannot be inserted into a container object for logical
+  // reasons (not, e.g., if memory is unabvailable, in which case
+  // the allocator_type's exception will be thrown).
+  struct insert_error : public container_error { };
+
+  // A join cannot be performed logical reasons (i.e., the ranges of
+  // the two container objects being joined overlaps.
+  struct join_error : public container_error { };
+
+  // A container cannot be resized.
+  struct resize_error : public container_error { };
+
+#if __EXCEPTIONS
+  inline void
+  __throw_container_error(void)
+  { throw container_error(); }
+
+  inline void
+  __throw_insert_error(void)
+  { throw insert_error(); }
+
+  inline void
+  __throw_join_error(void)
+  { throw join_error(); }
+
+  inline void
+  __throw_resize_error(void)
+  { throw resize_error(); }
+#else
+  inline void
+  __throw_container_error(void)
+  { std::abort(); }
+
+  inline void
+  __throw_insert_error(void)
+  { std::abort(); }
+
+  inline void
+  __throw_join_error(void)
+  { std::abort(); }
+
+  inline void
+  __throw_resize_error(void)
+  { std::abort(); }
+#endif
+} // namespace __gnu_pbds
+
+#endif