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François Dumont 0f1462579e re PR libstdc++/83709 (Inserting duplicates into an unordered associative containers causes the container to invalidate iterators) 
2018-01-09  François Dumont  <fdumont@gcc.gnu.org>

	PR libstdc++/83709
	* include/bits/hashtable_policy.h
	(__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
	__first != __last.
	(_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
	(_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
	Add false_type parameter.
	(_Insert_base::insert): Adapt.
	* include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
	Adapt.
	(_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
	 Add __n_elt parameter, defaulted to 1.
	(_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
	policy _M_need_rehash.
	(_Hashtable::_M_merge_unique): Pass target number of elements to add to
	produce only 1 rehash if necessary.
	* testsuite/23_containers/unordered_map/insert/83709.cc: New.
	* testsuite/23_containers/unordered_set/insert/83709.cc: New.

From-SVN: r256396
 		2018-01-09 21:05:10 +00:00
..
backward Update copyright years. 2018-01-03 11:03:58 +01:00
bits re PR libstdc++/83709 (Inserting duplicates into an unordered associative containers causes the container to invalidate iterators) 2018-01-09 21:05:10 +00:00
c Update copyright years. 2018-01-03 11:03:58 +01:00
c_compatibility Update copyright years. 2018-01-03 11:03:58 +01:00
c_global Update copyright years. 2018-01-03 11:03:58 +01:00
c_std Update copyright years. 2018-01-03 11:03:58 +01:00
debug Update copyright years. 2018-01-03 11:03:58 +01:00
decimal Update copyright years. 2018-01-03 11:03:58 +01:00
experimental Avoid redundant calls to filesystem::status_known 2018-01-04 13:46:22 +00:00
ext Update copyright years. 2018-01-03 11:03:58 +01:00
parallel Update copyright years. 2018-01-03 11:03:58 +01:00
precompiled Update copyright years. 2018-01-03 11:03:58 +01:00
profile Update copyright years. 2018-01-03 11:03:58 +01:00
std PR libstdc++/83607 specialize Boyer-Moore searchers for std::byte 2018-01-04 10:21:29 +00:00
tr1 Update copyright years. 2018-01-03 11:03:58 +01:00
tr2 Update copyright years. 2018-01-03 11:03:58 +01:00
Makefile.am Update copyright years. 2018-01-03 11:03:58 +01:00
Makefile.in Enable building libstdc++-v3 with Intel CET 2017-11-17 22:28:10 +01:00