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diff --git a/libstdc++-v3/include/ext/pb_ds/detail/pat_trie_/constructors_destructor_fn_imps.hpp b/libstdc++-v3/include/ext/pb_ds/detail/pat_trie_/constructors_destructor_fn_imps.hpp
new file mode 100644
index 00000000..ca38f932
--- /dev/null
+++ b/libstdc++-v3/include/ext/pb_ds/detail/pat_trie_/constructors_destructor_fn_imps.hpp
@@ -0,0 +1,214 @@
+// -*- 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
+// .
+
+// 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 constructors_destructor_fn_imps.hpp
+ * Contains an implementation class for bin_search_tree_.
+ */
+
+PB_DS_CLASS_T_DEC
+typename PB_DS_CLASS_C_DEC::head_allocator
+PB_DS_CLASS_C_DEC::s_head_allocator;
+
+PB_DS_CLASS_T_DEC
+typename PB_DS_CLASS_C_DEC::internal_node_allocator
+PB_DS_CLASS_C_DEC::s_internal_node_allocator;
+
+PB_DS_CLASS_T_DEC
+typename PB_DS_CLASS_C_DEC::leaf_allocator
+PB_DS_CLASS_C_DEC::s_leaf_allocator;
+
+PB_DS_CLASS_T_DEC
+PB_DS_CLASS_C_DEC::
+PB_DS_CLASS_NAME() :
+ m_p_head(s_head_allocator.allocate(1)),
+ m_size(0)
+{
+ initialize();
+ _GLIBCXX_DEBUG_ONLY(assert_valid();)
+}
+
+PB_DS_CLASS_T_DEC
+PB_DS_CLASS_C_DEC::
+PB_DS_CLASS_NAME(const e_access_traits& r_e_access_traits) :
+ synth_e_access_traits(r_e_access_traits),
+ m_p_head(s_head_allocator.allocate(1)),
+ m_size(0)
+{
+ initialize();
+ _GLIBCXX_DEBUG_ONLY(assert_valid();)
+}
+
+PB_DS_CLASS_T_DEC
+PB_DS_CLASS_C_DEC::
+PB_DS_CLASS_NAME(const PB_DS_CLASS_C_DEC& other) :
+#ifdef _GLIBCXX_DEBUG
+ debug_base(other),
+#endif
+ synth_e_access_traits(other),
+ node_update(other),
+ m_p_head(s_head_allocator.allocate(1)),
+ m_size(0)
+{
+ initialize();
+ m_size = other.m_size;
+ _GLIBCXX_DEBUG_ONLY(other.assert_valid();)
+ if (other.m_p_head->m_p_parent == NULL)
+ {
+ _GLIBCXX_DEBUG_ONLY(assert_valid();)
+ return;
+ }
+ __try
+ {
+ m_p_head->m_p_parent = recursive_copy_node(other.m_p_head->m_p_parent);
+ }
+ __catch(...)
+ {
+ s_head_allocator.deallocate(m_p_head, 1);
+ __throw_exception_again;
+ }
+
+ m_p_head->m_p_min = leftmost_descendant(m_p_head->m_p_parent);
+ m_p_head->m_p_max = rightmost_descendant(m_p_head->m_p_parent);
+ m_p_head->m_p_parent->m_p_parent = m_p_head;
+ _GLIBCXX_DEBUG_ONLY(assert_valid();)
+}
+
+PB_DS_CLASS_T_DEC
+void
+PB_DS_CLASS_C_DEC::
+swap(PB_DS_CLASS_C_DEC& other)
+{
+ _GLIBCXX_DEBUG_ONLY(assert_valid();)
+ _GLIBCXX_DEBUG_ONLY(other.assert_valid();)
+ value_swap(other);
+ std::swap((e_access_traits& )(*this), (e_access_traits& )other);
+ _GLIBCXX_DEBUG_ONLY(assert_valid();)
+ _GLIBCXX_DEBUG_ONLY(other.assert_valid();)
+}
+
+PB_DS_CLASS_T_DEC
+void
+PB_DS_CLASS_C_DEC::
+value_swap(PB_DS_CLASS_C_DEC& other)
+{
+ _GLIBCXX_DEBUG_ONLY(debug_base::swap(other);)
+ std::swap(m_p_head, other.m_p_head);
+ std::swap(m_size, other.m_size);
+}
+
+PB_DS_CLASS_T_DEC
+PB_DS_CLASS_C_DEC::
+~PB_DS_CLASS_NAME()
+{
+ clear();
+ s_head_allocator.deallocate(m_p_head, 1);
+}
+
+PB_DS_CLASS_T_DEC
+void
+PB_DS_CLASS_C_DEC::
+initialize()
+{
+ new (m_p_head) head();
+ m_p_head->m_p_parent = NULL;
+ m_p_head->m_p_min = m_p_head;
+ m_p_head->m_p_max = m_p_head;
+ m_size = 0;
+}
+
+PB_DS_CLASS_T_DEC
+template
+void
+PB_DS_CLASS_C_DEC::
+copy_from_range(It first_it, It last_it)
+{
+ while (first_it != last_it)
+ insert(*(first_it++));
+}
+
+PB_DS_CLASS_T_DEC
+typename PB_DS_CLASS_C_DEC::node_pointer
+PB_DS_CLASS_C_DEC::
+recursive_copy_node(const_node_pointer p_other_nd)
+{
+ _GLIBCXX_DEBUG_ASSERT(p_other_nd != NULL);
+ if (p_other_nd->m_type == pat_trie_leaf_node_type)
+ {
+ const_leaf_pointer p_other_leaf = static_cast(p_other_nd);
+
+ leaf_pointer p_new_lf = s_leaf_allocator.allocate(1);
+ cond_dealtor cond(p_new_lf);
+ new (p_new_lf) leaf(p_other_leaf->value());
+ apply_update(p_new_lf, (node_update* )this);
+ cond.set_no_action_dtor();
+ return (p_new_lf);
+ }
+
+ _GLIBCXX_DEBUG_ASSERT(p_other_nd->m_type == pat_trie_internal_node_type);
+ node_pointer a_p_children[internal_node::arr_size];
+ size_type child_i = 0;
+ const_internal_node_pointer p_other_internal_nd =
+ static_cast(p_other_nd);
+
+ typename internal_node::const_iterator child_it =
+ p_other_internal_nd->begin();
+
+ internal_node_pointer p_ret;
+ __try
+ {
+ while (child_it != p_other_internal_nd->end())
+ a_p_children[child_i++] = recursive_copy_node(*(child_it++));
+ p_ret = s_internal_node_allocator.allocate(1);
+ }
+ __catch(...)
+ {
+ while (child_i-- > 0)
+ clear_imp(a_p_children[child_i]);
+ __throw_exception_again;
+ }
+
+ new (p_ret) internal_node(p_other_internal_nd->get_e_ind(),
+ pref_begin(a_p_children[0]));
+
+ --child_i;
+ _GLIBCXX_DEBUG_ASSERT(child_i > 1);
+ do
+ p_ret->add_child(a_p_children[child_i], pref_begin(a_p_children[child_i]),
+ pref_end(a_p_children[child_i]), this);
+ while (child_i-- > 0);
+ apply_update(p_ret, (node_update* )this);
+ return p_ret;
+}