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diff --git a/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/left_child_next_sibling_heap_/constructors_destructor_fn_imps.hpp b/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/left_child_next_sibling_heap_/constructors_destructor_fn_imps.hpp
new file mode 100644
index 0000000..5cec97b
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/left_child_next_sibling_heap_/constructors_destructor_fn_imps.hpp
@@ -0,0 +1,153 @@
+// -*- C++ -*-
+
+// Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 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/>.
+
+// 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 left_child_next_sibling_heap_/constructors_destructor_fn_imps.hpp
+ * Contains an implementation class for left_child_next_sibling_heap_.
+ */
+
+PB_DS_CLASS_T_DEC
+typename PB_DS_CLASS_C_DEC::node_allocator
+PB_DS_CLASS_C_DEC::s_node_allocator;
+
+PB_DS_CLASS_T_DEC
+typename PB_DS_CLASS_C_DEC::no_throw_copies_t
+PB_DS_CLASS_C_DEC::s_no_throw_copies_ind;
+
+PB_DS_CLASS_T_DEC
+PB_DS_CLASS_C_DEC::
+left_child_next_sibling_heap() :
+  m_p_root(0),
+  m_size(0)
+{
+  PB_DS_ASSERT_VALID((*this))
+}
+
+PB_DS_CLASS_T_DEC
+PB_DS_CLASS_C_DEC::
+left_child_next_sibling_heap(const Cmp_Fn& r_cmp_fn) :
+  Cmp_Fn(r_cmp_fn),
+  m_p_root(0),
+  m_size(0)
+{
+  PB_DS_ASSERT_VALID((*this))
+}
+
+PB_DS_CLASS_T_DEC
+PB_DS_CLASS_C_DEC::
+left_child_next_sibling_heap(const PB_DS_CLASS_C_DEC& other) 
+: Cmp_Fn(other), m_p_root(0), m_size(0)
+{
+  m_size = other.m_size;
+  PB_DS_ASSERT_VALID(other)
+  m_p_root = recursive_copy_node(other.m_p_root);
+  m_size = other.m_size;
+  PB_DS_ASSERT_VALID((*this))
+}
+
+PB_DS_CLASS_T_DEC
+void
+PB_DS_CLASS_C_DEC::
+swap(PB_DS_CLASS_C_DEC& other)
+{
+  PB_DS_ASSERT_VALID((*this))
+  PB_DS_ASSERT_VALID(other)
+  value_swap(other);
+  std::swap((Cmp_Fn& )(*this), (Cmp_Fn& )other);
+  PB_DS_ASSERT_VALID((*this))
+  PB_DS_ASSERT_VALID(other)
+}
+
+PB_DS_CLASS_T_DEC
+void
+PB_DS_CLASS_C_DEC::
+value_swap(PB_DS_CLASS_C_DEC& other)
+{
+  std::swap(m_p_root, other.m_p_root);
+  std::swap(m_size, other.m_size);
+}
+
+PB_DS_CLASS_T_DEC
+PB_DS_CLASS_C_DEC::
+~left_child_next_sibling_heap()
+{
+  clear();
+}
+
+PB_DS_CLASS_T_DEC
+typename PB_DS_CLASS_C_DEC::node_pointer
+PB_DS_CLASS_C_DEC::
+recursive_copy_node(node_const_pointer p_nd)
+{
+  if (p_nd == 0)
+    return (0);
+
+  node_pointer p_ret = s_node_allocator.allocate(1);
+
+  __try
+    {
+      new (p_ret) node(*p_nd);
+    }
+  __catch(...)
+    {
+      s_node_allocator.deallocate(p_ret, 1);
+      __throw_exception_again;
+    }
+
+  p_ret->m_p_l_child = p_ret->m_p_next_sibling =
+    p_ret->m_p_prev_or_parent = 0;
+
+  __try
+    {
+      p_ret->m_p_l_child = recursive_copy_node(p_nd->m_p_l_child);
+      p_ret->m_p_next_sibling = recursive_copy_node(p_nd->m_p_next_sibling);
+    }
+  __catch(...)
+    {
+      clear_imp(p_ret);
+      __throw_exception_again;
+    }
+
+  if (p_ret->m_p_l_child != 0)
+    p_ret->m_p_l_child->m_p_prev_or_parent = p_ret;
+
+  if (p_ret->m_p_next_sibling != 0)
+    p_ret->m_p_next_sibling->m_p_prev_or_parent =
+      p_nd->m_p_next_sibling->m_p_prev_or_parent == p_nd ? p_ret : 0;
+
+  return p_ret;
+}
+