2012-09-24  François Dumont  <fdumont@gcc.gnu.org>

	PR libstdc++/44436
	* include/bits/stl_tree.h
	(_Rb_tree<>::_M_insert_): Take _Base_ptr rather than
	_Const_Base_ptr.
	(_Rb_tree<>::_M_insert_node): New.
	(_Rb_tree<>::_M_get_insert_unique_pos): New, search code of
	_M_insert_unique method.
	(_Rb_tree<>::_M_insert_unique): Use latter.
	(_Rb_tree<>::_M_emplace_unique): New, likewise.
	(_Rb_tree<>::_M_get_insert_equal_pos): New, search code of
	_M_insert_equal method.
	(_Rb_tree<>::_M_insert_equal): Use latter.
	(_Rb_tree<>::_M_emplace_equal): New, likewise.
	(_Rb_tree<>::_M_get_insert_hint_unique_pos): New, search code of
	_M_insert_unique_ method.
	(_Rb_tree<>::_M_insert_unique_): Use latter.
	(_Rb_tree<>::_M_emplace_hint_unique): New, likewise.
	(_Rb_tree<>::_M_get_insert_hint_equal_pos): New, search code of
	_M_insert_equal_ method.
	(_Rb_tree<>::_M_insert_equal_): Use latter.
	(_Rb_tree<>::_M_emplace_hint_equal): New, likewise.
	(_Rb_tree<>::_M_insert_lower): Remove first _Base_ptr parameter,
	useless as always null.
	* include/bits/stl_map.h: Include <tuple> in C++11.
	(map<>::operator[](const key_type&)): Use
	_Rb_tree<>::_M_emplace_hint_unique in C++11.
	(map<>::operator[](key_type&&)): Likewise.
	(map<>::emplace): New.
	(map<>::emplace_hint): New.
	* include/bits/stl_multimap.h (multimap<>::emplace): New.
	(multimap<>::emplace_hint): New.
	* include/bits/stl_set.h (set<>::emplace): New.
	(set<>::emplace_hint): New.
	* include/bits/stl_multiset.h (multiset<>::emplace): New.
	(multiset<>::emplace_hint): New.
	* include/debug/map.h (std::__debug::map<>::emplace): New.
	(std::__debug::map<>::emplace_hint): New.
	* include/debug/multimap.h (std::__debug::multimap<>::emplace):
	New.
	(std::__debug::multimap<>::emplace_hint): New.
	* include/debug/set.h (std::__debug::set<>::emplace): New.
	(std::__debug::set<>::emplace_hint): New.
	* include/debug/multiset.h (std::__debug::multiset<>::emplace):
	New.
	(std::__debug::multiset<>::emplace_hint): New.
	* include/profile/map.h (std::__profile::map<>::emplace): New.
	(std::__profile::map<>::emplace_hint): New.
	* include/profile/multimap.h (std::__profile::multimap<>::emplace):
	New.
	(std::__profile::multimap<>::emplace_hint): New.
	* include/profile/set.h (std::__profile::set<>::emplace): New.
	(std::__profile::set<>::emplace_hint): New.
	* include/profile/multiset.h (std::__profile::multiset<>::emplace):
	New.
	(std::__profile::multiset<>::emplace_hint): New.
	* testsuite/util/testsuite_container_traits.h: Signal that emplace
	and emplace_hint are available on std::map, std::multimap,
	std::set and std::multiset in C++11.
	* testsuite/23_containers/map/operators/2.cc: New.
	* testsuite/23_containers/map/modifiers/emplace/1.cc: New.
	* testsuite/23_containers/multimap/modifiers/emplace/1.cc: New.
	* testsuite/23_containers/set/modifiers/emplace/1.cc: New.
	* testsuite/23_containers/multiset/modifiers/emplace/1.cc: New.

From-SVN: r191679