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diff --git a/libstdc++-v3/include/ext/pb_ds/detail/ov_tree_map_/constructors_destructor_fn_imps.hpp b/libstdc++-v3/include/ext/pb_ds/detail/ov_tree_map_/constructors_destructor_fn_imps.hpp
new file mode 100644
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+++ b/libstdc++-v3/include/ext/pb_ds/detail/ov_tree_map_/constructors_destructor_fn_imps.hpp
@@ -0,0 +1,273 @@
+// -*- C++ -*-
+
+// Copyright (C) 2005, 2006, 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 ov_tree_.
+ */
+
+PB_DS_CLASS_T_DEC
+typename PB_DS_CLASS_C_DEC::value_allocator
+PB_DS_CLASS_C_DEC::s_value_alloc;
+
+PB_DS_CLASS_T_DEC
+typename PB_DS_CLASS_C_DEC::metadata_allocator
+PB_DS_CLASS_C_DEC::s_metadata_alloc;
+
+PB_DS_CLASS_T_DEC
+PB_DS_CLASS_C_DEC::
+PB_DS_OV_TREE_CLASS_NAME() :
+ m_a_values(NULL),
+ m_a_metadata(NULL),
+ m_end_it(NULL),
+ m_size(0)
+{ _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) }
+
+PB_DS_CLASS_T_DEC
+PB_DS_CLASS_C_DEC::
+PB_DS_OV_TREE_CLASS_NAME(const Cmp_Fn& r_cmp_fn) :
+ cmp_fn_base(r_cmp_fn),
+ m_a_values(NULL),
+ m_a_metadata(NULL),
+ m_end_it(NULL),
+ m_size(0)
+{ _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) }
+
+PB_DS_CLASS_T_DEC
+PB_DS_CLASS_C_DEC::
+PB_DS_OV_TREE_CLASS_NAME(const Cmp_Fn& r_cmp_fn, const node_update& r_node_update) :
+ cmp_fn_base(r_cmp_fn),
+ node_update(r_node_update),
+ m_a_values(NULL),
+ m_a_metadata(NULL),
+ m_end_it(NULL),
+ m_size(0)
+{ _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) }
+
+PB_DS_CLASS_T_DEC
+PB_DS_CLASS_C_DEC::
+PB_DS_OV_TREE_CLASS_NAME(const PB_DS_CLASS_C_DEC& other) :
+#ifdef _GLIBCXX_DEBUG
+ debug_base(other),
+#endif
+#ifdef PB_DS_TREE_TRACE
+ PB_DS_TREE_TRACE_BASE_C_DEC(other),
+#endif
+ cmp_fn_base(other),
+ node_update(other),
+ m_a_values(NULL),
+ m_a_metadata(NULL),
+ m_end_it(NULL),
+ m_size(0)
+{
+ copy_from_ordered_range(other.begin(), other.end());
+ _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();)
+}
+
+PB_DS_CLASS_T_DEC
+template
+inline void
+PB_DS_CLASS_C_DEC::
+copy_from_range(It first_it, It last_it)
+{
+#ifdef PB_DS_DATA_TRUE_INDICATOR
+ typedef
+ std::map<
+ key_type,
+ mapped_type,
+ Cmp_Fn,
+ typename Allocator::template rebind<
+ value_type>::other>
+ map_type;
+#else
+ typedef
+ std::set<
+ key_type,
+ Cmp_Fn,
+ typename Allocator::template rebind<
+ Key>::other>
+ map_type;
+#endif
+
+ map_type m(first_it, last_it);
+ copy_from_ordered_range(m.begin(), m.end());
+}
+
+PB_DS_CLASS_T_DEC
+template
+void
+PB_DS_CLASS_C_DEC::
+copy_from_ordered_range(It first_it, It last_it)
+{
+ const size_type len = std::distance(first_it, last_it);
+ if (len == 0)
+ return;
+
+ value_vector a_values = s_value_alloc.allocate(len);
+ iterator target_it = a_values;
+ It source_it = first_it;
+ It source_end_it = last_it;
+
+ cond_dtor cd(a_values, target_it, len);
+ while (source_it != source_end_it)
+ {
+ new (const_cast(static_cast(target_it)))
+ value_type(*source_it++);
+
+ ++target_it;
+ }
+
+ reallocate_metadata((node_update* )this, len);
+ cd.set_no_action();
+ m_a_values = a_values;
+ m_size = len;
+ m_end_it = m_a_values + m_size;
+ update(PB_DS_node_begin_imp(), (node_update* )this);
+
+#ifdef _GLIBCXX_DEBUG
+ const_iterator dbg_it = m_a_values;
+ while (dbg_it != m_end_it)
+ {
+ debug_base::insert_new(PB_DS_V2F(*dbg_it));
+ dbg_it++;
+ }
+ PB_DS_CLASS_C_DEC::assert_valid();
+#endif
+}
+
+PB_DS_CLASS_T_DEC
+template
+void
+PB_DS_CLASS_C_DEC::
+copy_from_ordered_range(It first_it, It last_it, It other_first_it,
+ It other_last_it)
+{
+ clear();
+ const size_type len = std::distance(first_it, last_it)
+ + std::distance(other_first_it, other_last_it);
+
+ value_vector a_values = s_value_alloc.allocate(len);
+
+ iterator target_it = a_values;
+ It source_it = first_it;
+ It source_end_it = last_it;
+
+ cond_dtor cd(a_values, target_it, len);
+ while (source_it != source_end_it)
+ {
+ new (const_cast(static_cast(target_it)))
+ value_type(*source_it++);
+ ++target_it;
+ }
+
+ source_it = other_first_it;
+ source_end_it = other_last_it;
+
+ while (source_it != source_end_it)
+ {
+ new (const_cast(static_cast(target_it)))
+ value_type(*source_it++);
+ ++target_it;
+ }
+
+ reallocate_metadata((node_update* )this, len);
+ cd.set_no_action();
+ m_a_values = a_values;
+ m_size = len;
+ m_end_it = m_a_values + m_size;
+ update(PB_DS_node_begin_imp(), (node_update* )this);
+
+#ifdef _GLIBCXX_DEBUG
+ const_iterator dbg_it = m_a_values;
+ while (dbg_it != m_end_it)
+ {
+ debug_base::insert_new(PB_DS_V2F(*dbg_it));
+ dbg_it++;
+ }
+ PB_DS_CLASS_C_DEC::assert_valid();
+#endif
+}
+
+PB_DS_CLASS_T_DEC
+void
+PB_DS_CLASS_C_DEC::
+swap(PB_DS_CLASS_C_DEC& other)
+{
+ _GLIBCXX_DEBUG_ONLY(assert_valid();)
+ value_swap(other);
+ std::swap((Cmp_Fn& )(*this), (Cmp_Fn& )other);
+ _GLIBCXX_DEBUG_ONLY(assert_valid();)
+}
+
+PB_DS_CLASS_T_DEC
+void
+PB_DS_CLASS_C_DEC::
+value_swap(PB_DS_CLASS_C_DEC& other)
+{
+ std::swap(m_a_values, other.m_a_values);
+ std::swap(m_a_metadata, other.m_a_metadata);
+ std::swap(m_size, other.m_size);
+ std::swap(m_end_it, other.m_end_it);
+ _GLIBCXX_DEBUG_ONLY(debug_base::swap(other);)
+}
+
+PB_DS_CLASS_T_DEC
+PB_DS_CLASS_C_DEC::
+~PB_DS_OV_TREE_CLASS_NAME()
+{
+ _GLIBCXX_DEBUG_ONLY(assert_valid();)
+ cond_dtor cd(m_a_values, m_end_it, m_size);
+ reallocate_metadata((node_update* )this, 0);
+}
+
+PB_DS_CLASS_T_DEC
+inline void
+PB_DS_CLASS_C_DEC::
+update(node_iterator /*it*/, null_node_update_pointer)
+{ }
+
+PB_DS_CLASS_T_DEC
+template
+void
+PB_DS_CLASS_C_DEC::
+update(node_iterator nd_it, Node_Update* p_update)
+{
+ const_node_iterator end_it = PB_DS_node_end_imp();
+ if (nd_it == end_it)
+ return;
+ update(nd_it.get_l_child(), p_update);
+ update(nd_it.get_r_child(), p_update);
+ node_update::operator()(nd_it, end_it);
+}