Commit Graph

93 Commits

Author SHA1 Message Date
Jakub Jelinek a554497024 Update copyright years.
From-SVN: r267494
2019-01-01 13:31:55 +01:00
François Dumont 010211394d re PR libstdc++/88199 (memory leak on unordered container move assignment)
2018-11-27  François Dumont  <fdumont@gcc.gnu.org>

	PR libstdc++/88199
	* include/bits/hashtable.h (_Hashtable<>::_M_assign_elements): New.
	(_Hashtable<>::operator=(const _Hashtable&)): Use latter.
	(_Hashtable<>::_M_move_assign(_Hashtable&&, false_type)): Likewise.
	* testsuite/23_containers/unordered_set/allocator/move_assign.cc
	(test03): New.

From-SVN: r266528
2018-11-27 21:21:51 +00:00
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
Jakub Jelinek 85ec4feb11 Update copyright years.
From-SVN: r256169
2018-01-03 11:03:58 +01:00
Jonathan Wakely 866e4d3853 PR libstdc++/48101 improve errors for invalid container specializations
PR libstdc++/48101
	* include/bits/allocator.h (allocator<const _Tp>)
	(allocator<volatile _Tp>, allocator<const volatile _Tp>): Add partial
	specializations.
	* include/bits/forward_list.h (forward_list): Add static assertions.
	* include/bits/hashtable.h (__cache_default): Use
	__is_nothrow_invocable instead of __is_noexcept_hash.
	(_Hashtable): Add static assertions.
	* include/bits/hashtable_policy.h (__is_noexcept_hash): Remove.
	* include/bits/stl_deque.h (deque): Add static assertions.
	* include/bits/stl_function.h (_Identity<const _Tp>): Add partial
	specialization.
	* include/bits/stl_list.h (list): Add static assertions.
	* include/bits/stl_map.h (map): Likewise.
	* include/bits/stl_multimap.h (multimap): Likewise.
	* include/bits/stl_multiset.h (multiset): Likewise.
	* include/bits/stl_set.h (set): Likewise.
	* include/bits/stl_tree.h (_Rb_tree): Likewise.
	* include/bits/stl_vector.h (vector): Likewise.
	* include/bits/unordered_map.h (unordered_map, unordered_multimap):
	Use typename instead of class in template-parameter-list and remove
	spaces.
	* include/bits/unordered_set.h (unordered_set, unordered_multiset):
	Likewise.
	* testsuite/23_containers/deque/48101-2_neg.cc: New test.
	* testsuite/23_containers/deque/48101_neg.cc: New test.
	* testsuite/23_containers/forward_list/48101-2_neg.cc: New test.
	* testsuite/23_containers/forward_list/48101_neg.cc: New test.
	* testsuite/23_containers/list/48101-2_neg.cc: New test.
	* testsuite/23_containers/list/48101_neg.cc: New test.
	* testsuite/23_containers/map/48101-2_neg.cc: New test.
	* testsuite/23_containers/map/48101_neg.cc: New test.
	* testsuite/23_containers/map/operations/31440.cc: Fix comparison
	object to have const-qualified call operator.
	* testsuite/23_containers/multimap/48101-2_neg.cc: New test.
	* testsuite/23_containers/multimap/48101_neg.cc: New test.
	* testsuite/23_containers/multiset/48101-2_neg.cc: New test.
	* testsuite/23_containers/multiset/48101_neg.cc: New test.
	* testsuite/23_containers/set/48101-2_neg.cc: New test.
	* testsuite/23_containers/set/48101_neg.cc: New test.
	* testsuite/23_containers/unordered_map/48101-2_neg.cc: New test.
	* testsuite/23_containers/unordered_map/48101_neg.cc: New test.
	* testsuite/23_containers/unordered_multimap/48101-2_neg.cc: New test.
	* testsuite/23_containers/unordered_multimap/48101_neg.cc: New test.
	* testsuite/23_containers/unordered_multiset/48101-2_neg.cc: New test.
	* testsuite/23_containers/unordered_multiset/48101_neg.cc: New test.
	* testsuite/23_containers/unordered_set/48101-2_neg.cc: New test.
	* testsuite/23_containers/unordered_set/48101_neg.cc: New test.
	* testsuite/23_containers/unordered_set/instantiation_neg.cc: Adjust
	dg-error line number.
	* testsuite/23_containers/vector/48101-2_neg.cc: New test.
	* testsuite/23_containers/vector/48101_neg.cc: New test.

From-SVN: r255035
2017-11-21 20:47:09 +00:00
Jonathan Wakely 676c4146f5 PR libstdc++/81891 fix double-free in hashtable constructor
PR libstdc++/81891
	* include/bits/hashtable.h (_Hashtable(_InputIterator, _InputIterator,
	size_type, const _H1&, const _H2&, const _Hash&, const _Equal&,
	const _ExtractKey&, const allocator_type&)): Let destructor do clean
	up if an exception is thrown.
	* testsuite/23_containers/unordered_map/cons/81891.cc: New.

From-SVN: r251185
2017-08-18 18:46:57 +01:00
Jakub Jelinek cbe34bb5ed Update copyright years.
From-SVN: r243994
2017-01-01 13:07:43 +01:00
Jonathan Wakely 2dbe56bdfb Implement C++17 node extraction and insertion (P0083R5)
* doc/xml/manual/status_cxx2017.xml: Document status.
	* doc/html/*: Regenerate.
	* include/Makefile.am: Add bits/node_handle.h and reorder.
	* include/Makefile.in: Regenerate.
	* include/bits/hashtable.h (_Hashtable::node_type)
	(_Hashtable::insert_return_type, _Hashtable::_M_reinsert_node)
	(_Hashtable::_M_reinsert_node_multi, _Hashtable::extract)
	(_Hashtable::_M_merge_unique, _Hashtable::_M_merge_multi): Define.
	(_Hash_merge_helper): Define primary template.
	* include/bits/node_handle.h: New header.
	* include/bits/stl_map.h (map): Declare _Rb_tree_merge_helper as
	friend.
	(map::node_type, map::insert_return_type, map::extract, map::merge)
	(map::insert(node_type&&), map::insert(const_iterator, node_type&&)):
	Define new members.
	(_Rb_tree_merge_helper): Specialize for map.
	* include/bits/stl_multimap.h (multimap): Declare _Rb_tree_merge_helper
	as friend.
	(multimap::node_type, multimap::extract, multimap::merge)
	(multimap::insert(node_type&&))
	(multimap::insert(const_iterator, node_type&&)): Define.
	(_Rb_tree_merge_helper): Specialize for multimap.
	* include/bits/stl_multiset.h (multiset): Declare _Rb_tree_merge_helper
	as friend.
	(multiset::node_type, multiset::extract, multiset::merge)
	(multiset::insert(node_type&&))
	(multiset::insert(const_iterator, node_type&&)): Define.
	* include/bits/stl_set.h (set): Declare _Rb_tree_merge_helper as
	friend.
	(set::node_type, set::insert_return_type, set::extract, set::merge)
	(set::insert(node_type&&), set::insert(const_iterator, node_type&&)):
	Define.
	(_Rb_tree_merge_helper): Specialize for set.
	* include/bits/stl_tree.h (_Rb_tree): Declare _Rb_tree<> as friend.
	(_Rb_tree::node_type, _Rb_tree::insert_return_type)
	(_Rb_tree::_M_reinsert_node_unique, _Rb_tree::_M_reinsert_node_equal)
	(_Rb_tree::_M_reinsert_node_hint_unique)
	(_Rb_tree::_M_reinsert_node_hint_equal, _Rb_tree::extract)
	(_Rb_tree::_M_merge_unique, _Rb_tree::_M_merge_equal): Define.
	(_Rb_tree_merge_helper): Specialize for multiset.
	* include/bits/unordered_map.h (unordered_map): Declare
	unordered_map<> and unordered_multimap<> as friends.
	(unordered_map::node_type, unordered_map::insert_return_type)
	(unordered_map::extract, unordered_map::merge)
	(unordered_map::insert(node_type&&))
	(unordered_map::insert(const_iterator, node_type&&))
	(unordered_multimap): Declare _Hash_merge_helper as friend.
	(unordered_multimap::node_type, unordered_multimap::extract)
	(unordered_multimap::merge, unordered_multimap::insert(node_type&&))
	(unordered_multimap::insert(const_iterator, node_type&&)): Define.
	(_Hash_merge_helper): Specialize for unordered maps and multimaps.
	* include/bits/unordered_set.h (unordered_set, unordered_multiset):
	Declare _Hash_merge_helper as friend.
	(unordered_set::node_type, unordered_set::insert_return_type)
	(unordered_set::extract, unordered_set::merge)
	(unordered_set::insert(node_type&&))
	(unordered_set::insert(const_iterator, node_type&&)): Define.
	(unordered_multiset::node_type, unordered_multiset::extract)
	(unordered_multiset::merge, unordered_multiset::insert(node_type&&))
	(unordered_multiset::insert(const_iterator, node_type&&)): Define.
	(_Hash_merge_helper): Specialize for unordered sets and multisets.
	* include/debug/map.h (map): Add using declarations or forwarding
	functions for new members.
	* include/debug/map.h (multimap): Likewise.
	* include/debug/map.h (multiset): Likewise.
	* include/debug/map.h (set): Likewise.
	* include/debug/unordered_map (unordered_map, unordered_multimap):
	Likewise.
	* include/debug/unordered_set( unordered_set, unordered_multiset):
	Likewise.
	* python/libstdcxx/v6/printers.py (get_value_from_aligned_membuf): New
	helper function.
	(get_value_from_list_node, get_value_from_Rb_tree_node): Use helper.
	(StdNodeHandlePrinter): Define printer for node handles.
	(build_libstdcxx_dictionary): Register StdNodeHandlePrinter.
	* testsuite/23_containers/map/modifiers/extract.cc: New.
	* testsuite/23_containers/map/modifiers/merge.cc: New.
	* testsuite/23_containers/multimap/modifiers/extract.cc: New.
	* testsuite/23_containers/multimap/modifiers/merge.cc: New.
	* testsuite/23_containers/multiset/modifiers/extract.cc: New.
	* testsuite/23_containers/multiset/modifiers/merge.cc: New.
	* testsuite/23_containers/set/modifiers/extract.cc: New.
	* testsuite/23_containers/set/modifiers/merge.cc: New.
	* testsuite/23_containers/unordered_map/modifiers/extract.cc: New.
	* testsuite/23_containers/unordered_map/modifiers/merge.cc: New.
	* testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
	New.
	* testsuite/23_containers/unordered_multimap/modifiers/merge.cc: New.
	* testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
	New.
	* testsuite/23_containers/unordered_multiset/modifiers/merge.cc: New.
	* testsuite/23_containers/unordered_set/modifiers/extract.cc: New.
	* testsuite/23_containers/unordered_set/modifiers/merge.cc: New.
	* testsuite/23_containers/unordered_set/instantiation_neg.cc: Adjust
	dg-error lineno.
	* testsuite/libstdc++-prettyprinters/cxx17.cc: Test node handles.

From-SVN: r240363
2016-09-22 14:58:49 +01:00
François Dumont dc448fa03b re PR libstdc++/71640 (include/c++/7.0.0/bits/hashtable.h:293:7: error: too many template parameters in template redeclaration)
2016-06-27  François Dumont  <fdumont@gcc.gnu.org>

	PR libstdc++/71640
	* include/bits/hashtable.h: Remove _Unique_keya parameter in _Insert
	friend declaration.

From-SVN: r237803
2016-06-27 20:41:59 +00:00
Daniel Kruegler 6b9539e2aa Provide swappable traits (p0185r1)
2016-06-16  Daniel Kruegler  <daniel.kruegler@gmail.com>

	Provide swappable traits (p0185r1)
	* include/std/type_traits (is_swappable, is_nothrow_swappable,
	is_swappable_with, is_nothrow_swappable_with, is_swappable_v,
	is_nothrow_swappable_v, is_swappable_with_v,
	is_nothrow_swappable_with_v): New.
	* include/bits/stl_pair.h: Use it as per p0185r1.
	* include/bits/stl_queue.h: Likewise.
	* include/bits/stl_stack.h: Likewise.
	* include/bits/unique_ptr.h: Likewise.
	* include/std/tuple: Likewise.
	* include/std/array: Likewise. Fix zero-size member swap.
	* include/bits/hashtable.h: Use __and_.
	* testsuite/20_util/is_nothrow_swappable/requirements/
	explicit_instantiation.cc: Change test options to std=gnu++17.
	* testsuite/20_util/is_nothrow_swappable/requirements/typedefs.cc:
	Likewise.
	* testsuite/20_util/is_nothrow_swappable/value.cc: Likewise.
	* testsuite/20_util/is_swappable/requirements/
	explicit_instantiation.cc: Likewise.
	* testsuite/20_util/is_swappable/requirements/typedefs.cc: Likewise.
	* testsuite/20_util/is_swappable/value.cc: Likewise.
	* testsuite/20_util/is_nothrow_swappable/requirements/
	explicit_instantiation_ext.cc: New.
	* testsuite/20_util/is_nothrow_swappable/requirements/typedefs_ext.cc:
	New.
	* testsuite/20_util/is_nothrow_swappable/value.h: New.
	* testsuite/20_util/is_nothrow_swappable/value_ext.cc: New.
	* testsuite/20_util/is_nothrow_swappable_with/requirements/
	explicit_instantiation.cc: New.
	* testsuite/20_util/is_nothrow_swappable_with/requirements/typedefs.cc:
	New.
	* testsuite/20_util/is_nothrow_swappable_with/value.cc: New.
	* testsuite/20_util/is_swappable/requirements/
	explicit_instantiation_ext.cc: New.
	* testsuite/20_util/is_swappable/requirements/typedefs_ext.cc: New.
	* testsuite/20_util/is_swappable/value.h: New.
	* testsuite/20_util/is_swappable/value_ext.cc: New.
	* testsuite/20_util/is_swappable_with/requirements/
	explicit_instantiation.cc: New.
	* testsuite/20_util/is_swappable_with/requirements/typedefs.cc: New.
	* testsuite/20_util/is_swappable_with/value.cc: New.
	* testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust
	dg-error line numbers.
	* testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
	Likewise.

From-SVN: r237531
2016-06-16 16:07:19 +01:00
Jason Merrill 9f285ccb77 Revert empty class parameter passing ABI changes.
From-SVN: r234977
2016-04-14 12:23:06 -04:00
Jonathan Wakely a6297ab587 Adjust for new empty class parameter passing ABI.
* include/bits/c++config (_GLIBCXX_BEGIN_NAMESPACE_EMPTY_TYPES,
	_GLIBCXX_END_NAMESPACE_EMPTY_TYPES, _GLIBCXX_ABI_TAG_EMPTY): Define.
	* include/bits/hashtable.h (_Hashtable::_M_emplace): Change signatures
	of functions taking empty structs by value. Add a template parameter
	to overloads without hints. Rename overloads with hints to
	_M_emplace_hint.
	(_Hashtable::_M_erase(true_type, const_iterator),
	_Hashtable::_M_erase(false_type, const_iterator)): Change signatures
	by reordering parameters.
	* include/bits/hashtable_policy.h (_Insert::insert): Adjust to call
	_M_emplace_hint instead of _M_emplace.
	* include/bits/shared_ptr.h (shared_ptr(_Tp1*, _Deleter, _Alloc),
	shared_ptr(nullptr_t, _Deleter, _Alloc)): Use _GLIBCXX_ABI_TAG_EMPTY.
	* include/bits/shared_ptr_base.h (_Sp_counted_deleter, __shared_count,
	__shared_ptr): Likewise.
	* include/bits/stl_algo.h (replace_if): Likewise.
	* include/bits/stl_pair.h (piecewise_construct_t,
	piecewise_construct): Use _GLIBCXX_BEGIN_NAMESPACE_EMPTY_TYPES.
	* include/bits/uses_allocator.h (allocator_arg_t, allocator_arg,
	__uses_alloc0): Likewise.
	* include/ext/pb_ds/assoc_container.hpp (basic_hash_table): Likewise.
	* testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
	* testsuite/20_util/shared_ptr/cons/43820_neg.cc: Likewise.
	* testsuite/20_util/shared_ptr/cons/void_neg.cc: Likewise.
	* testsuite/20_util/uses_allocator/69293_neg.cc: Likewise.
	* testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
	* testsuite/ext/profile/mutex_extensions_neg.cc: Likewise.

From-SVN: r234964
2016-04-13 23:00:50 +01:00
Jakub Jelinek 818ab71a41 Update copyright years.
From-SVN: r232055
2016-01-04 15:30:50 +01:00
Jonathan Wakely c5d9ec5670 c++config (_GLIBCXX_NOEXCEPT_IF): Define.
* include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Define.
	* include/bits/forward_list.h (forward_list::swap): Make noexcept
	unconditional.
	* include/bits/hashtable.h (_Hashtable::swap): Do not use
	_S_nothrow_swap().
	* include/bits/stl_bvector.h (vector<bool>::swap): Make noexcept
	unconditional.
	* include/bits/stl_deque.h (deque::swap): Likewise.
	(swap(deque&, deque&)): Use _GLIBCXX_NOEXCEPT_IF.
	* include/bits/stl_list.h (list::swap): Make noexcept unconditional.
	(swap(list&, list&)): Use _GLIBCXX_NOEXCEPT_IF.
	* include/bits/stl_map.h (map::swap, swap(map&, map&)): Use
	_GLIBCXX_NOEXCEPT_IF, do not depend on _S_nothrow_swap.
	* include/bits/stl_multimap.h (multimap::swap,
	swap(multimap&, multimap&)): Likewise.
	* include/bits/stl_multiset.h (multiset::swap,
	swap(multiset&, multiset&)): Likewise.
	* include/bits/stl_set.h (set::swap, swap(set&, set&)): Likewise.
	* include/bits/stl_tree.h (_Rb_tree::swap,
	swap(_Rb_tree&, _Rb_tree&)): Likewise.
	* include/bits/stl_vector.h (vector::swap): Make noexcept
	unconditional.
	(swap(vector&, vector&)): Use _GLIBCXX_NOEXCEPT_IF.
	* include/debug/deque (deque::swap, swap): Likewise.
	* include/debug/forward_list (swap): Add noexcept.
	* include/debug/list (list::swap, swap): Use _GLIBCXX_NOEXCEPT_IF.
	* include/debug/map.h (map::swap, swap): Likewise.
	* include/debug/multimap.h (multimap::swap, swap): Likewise.
	* include/debug/multiset.h (multiset::Swap, swap): Likewise.
	* include/debug/set.h (set::swap, swap): Likewise.
	* include/debug/unordered_map (unordered_map::swap,
	unordered_multimap::swap, swap): Likewise.
	* include/debug/unordered_set (unordered_set::swap,
	unordered_multiset::swap, swap): Likewise.
	* include/debug/vector (vector::swap, swap): Likewise.
	* include/ext/alloc_traits.h (__alloc_traits::_S_nothrow_swap()):
	Remove.
	* include/profile/deque (deque::swap, swap): Use _GLIBCXX_NOEXCEPT_IF.
	* include/profile/forward_list (swap): Add noexcept.
	* include/profile/list (list::swap, swap) : Use _GLIBCXX_NOEXCEPT_IF.
	* include/profile/map.h (map::swap, swap): Likewise.
	* include/profile/multimap.h (multimap::swap, swap): Likewise.
	* include/profile/multiset.h (multiset::swap, swap): Likewise.
	* include/profile/set.h (set::swap, swap): Likewise.
	* include/profile/unordered_map (swap): Likewise.
	* include/profile/unordered_set (swap): Likewise.
	* include/profile/vector (vector::swap, swap): Likewise. Remove
	overloads for swapping rvalues.
	* testsuite/23_containers/deque/allocator/noexcept.cc: Update tests
	for noexcept on swap.
	* testsuite/23_containers/forward_list/allocator/noexcept.cc:
	Likewise.
	* testsuite/23_containers/list/allocator/noexcept.cc: Likewise.
	* testsuite/23_containers/map/allocator/noexcept.cc: Likewise.
	* testsuite/23_containers/multimap/allocator/noexcept.cc: Likewise.
	* testsuite/23_containers/multiset/allocator/noexcept.cc: Likewise.
	* testsuite/23_containers/set/allocator/noexcept.cc: Likewise.
	* testsuite/23_containers/unordered_map/allocator/noexcept.cc:
	Likewise.
	* testsuite/23_containers/unordered_multimap/allocator/noexcept.cc:
	Likewise.
	* testsuite/23_containers/unordered_multiset/allocator/noexcept.cc:
	Likewise.
	* testsuite/23_containers/unordered_set/allocator/noexcept.cc:
	Likewise.
	* testsuite/23_containers/vector/allocator/noexcept.cc: Likewise.
	* testsuite/23_containers/vector/bool/allocator/noexcept.cc: Likewise.
	* testsuite/ext/profile/mutex_extensions_neg.cc: Adjust dg-error line
	number.

From-SVN: r225744
2015-07-13 18:15:48 +01:00
François Dumont 291e91daa7 hashtable.h (_Hashtable<>::__rehash_policy): Do not rehash container.
2015-07-05  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/hashtable.h (_Hashtable<>::__rehash_policy): Do not
	rehash container.
	* testsuite/23_containers/unordered_set/max_load_factor/robustness.cc:
	Adapt.

From-SVN: r225436
2015-07-05 21:16:07 +00:00
Jonathan Wakely 7946683835 alloc_traits.h (__alloctr_rebind): Remove.
* include/bits/alloc_traits.h (__alloctr_rebind): Remove.
	(__allocator_traits_base): New base class.
	(__alloc_rebind): Reimplement in terms of detection idiom.
	(allocator_traits): Derive from __allocator_traits_base. Reimplement
	nested types in terms of detection idiom. Simplify SFINAE constraints
	on overloaded static member functions.
	* include/bits/hashtable.h (_Hashtable): Use __alloc_rebind instead
	of __alloctr_rebind.
	* testsuite/20_util/scoped_allocator/propagation.cc: Define rebind.
	* testsuite/23_containers/unordered_set/instantiation_neg.cc: Adjust
	dg-error line number.

From-SVN: r225244
2015-07-01 13:24:09 +01:00
Jonathan Wakely a2b5fdcbdb Implement N4258 (Cleaning-up noexcept in the Library rev 3)
* doc/xml/manual/intro.xml: Document LWG 2108 status.
	* include/bits/alloc_traits.h (allocator_traits::is_always_equal):
	Define.
	* include/bits/allocator.h (allocator::is_always_equal): Likewise.
	* include/bits/forward_list.h
	(forward_list::operator=(forward_list&&)): Use __bool_constant.
	(forward_list::swap(forward_list&)): Add noexcept.
	* include/bits/hashtable.h (_Hashtable::operator=(_Hashtable&&)):
	Likewise.
	(_Hashtable::swap(_Hashtable&)): Likewise.
	* include/bits/stl_deque.h (_Deque_base::_Deque_base(_Deque_base&&)):
	Use _Alloc_traits::is_always_equal.
	(deque::operator=(deque&&)): Likewise.
	(deque::_M_move_assign1(deque&&, false_type)): Add comment and use
	__bool_constant.
	(swap(deque&, deque&)): Add noexcept.
	* include/bits/stl_list.h (list::operator=(list&&)): Use
	__bool_constant.
	(swap(list&, list&)): Add noexcept.
	* include/bits/stl_map.h (map::swap(map&)): Include _Compare in
	noexcept.
	(swap(map&, map&)): Add noexcept.
	* include/bits/stl_multimap.h (multimap::swap(multimap&)): Include
	_Compare in noexcept.
	(swap(multimap&, multimap&)): Add noexcept.
	* include/bits/stl_multiset.h (multiset::swap(multiset&)): Include
	_Compare in noexcept.
	(swap(multiset&, multiset&)): Add noexcept.
	* include/bits/stl_set.h (set::swap(set&)): Include _Compare in
	noexcept.
	(swap(set&, set&)): Add noexcept.
	* include/bits/stl_tree.h (_Rb_tree::operator=(_Rb_tree&&)): Include
	_Compare in noexcept.
	(_Rb_tree::_Rb_tree(_Rb_tree&&, _Node_alloc_type&&)): Use
	is_always_equal.
	* include/bits/stl_vector.h (vector::operator=(vector&&)): Use
	__bool_constant.
	(swap(vector&, vector&)): Add noexcept.
	* include/bits/unordered_map.h (swap(unordered_map&, unordered_map&),
	swap(unordered_multimap& unordered_multimap&)): Add noexcept.
	* include/bits/unordered_set.h (swap(unordered_set&, unordered_set&),
	swap(unordered_multiset& unordered_multiset&)): Add noexcept.
	* include/ext/alloc_traits.h (__allocator_always_compares_equal):
	Remove.
	(__alloc_traits::_S_always_equal()): Use is_always_equal instead of
	__allocator_always_compares_equal.
	* include/ext/array_allocator.h (array_allocator::is_always_equal):
	Define.
	* include/std/scoped_allocator (__any_of, __propagate_on_copy,
	__propagate_on_move, __propagate_on_swap): Remove.
	(scoped_allocator_adaptor::propagate_on_container_copy_assignment,
	scoped_allocator_adaptor::propagate_on_container_move_assignment,
	scoped_allocator_adaptor::propagate_on_container_swap): Define with
	__and_ instead of __any_of.
	(scoped_allocator_adaptor::is_always_equal): Define.
	* testsuite/20_util/allocator_traits/members/is_always_equal.cc: New.
	* testsuite/20_util/scoped_allocator/propagation.cc: Make traits
	derive from true_type or false_type.
	* testsuite/23_containers/deque/allocator/move_assign-2.cc: Add
	is_always_equal member and remove the trait specialization.
	* testsuite/23_containers/vector/52591.cc: Likewise.
	* testsuite/23_containers/deque/requirements/dr438/assign_neg.cc:
	Adjust dg-error line number.
	* testsuite/23_containers/deque/requirements/dr438/
	constructor_1_neg.cc: Likewise.
	* testsuite/23_containers/deque/requirements/dr438/
	constructor_2_neg.cc: Likewise.
	* testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
	Likewise.
	* testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
	Likewise.
	* testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
	Likewise.
	* testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
	Likewise.
	* testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
	Likewise.
	* testsuite/23_containers/vector/requirements/dr438/
	constructor_1_neg.cc: Likewise.
	* testsuite/23_containers/vector/requirements/dr438/
	constructor_2_neg.cc: Likewise.
	* testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
	Likewise.

From-SVN: r225081
2015-06-26 21:10:24 +01:00
Jakub Jelinek 5624e564d2 Update copyright years.
From-SVN: r219188
2015-01-05 13:33:28 +01:00
Jonathan Wakely db97b3b018 hashtable.h: Fix whitespace and simplify function definitions with trailing return types.
* include/bits/hashtable.h: Fix whitespace and simplify function
	definitions with trailing return types.

From-SVN: r218309
2014-12-03 12:00:02 +00:00
François Dumont e6fb44d878 re PR libstdc++/63456 (unordered_map incorrectly frees _M_single_bucket. Patch Included)
2014-10-05  François Dumont  <fdumont@gcc.gnu.org>

	PR libstdc++/63456
	* include/bits/hashtable.h (_M_uses_single_bucket(__bucket_type*)): Test
	the parameter.
	* testsuite/23_containers/unordered_set/63456.cc: New.

From-SVN: r215905
2014-10-05 18:44:46 +00:00
François Dumont da27f5567c hashtable_policy.h (_Prime_rehash_policy): Constructor noexcept qualified.
2014-09-06  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/hashtable_policy.h (_Prime_rehash_policy): Constructor
	noexcept qualified.
	(_Hash_code_base<>): All specialization default constructible if
	possible.
	(_Hashtable_base<>): Likewise.
	* include/bits/hashtable.h (_Hashtable<>()): Implementation defaulted.
	* include/bits/unordered_map.h (unordered_map<>::unordered_map()): New,
	implementation defaulted.
	(unordered_multimap<>::unordered_multimap()): Likewise.
	* include/bits/unordered_set.h
	(unordered_set<>::unordered_set()): Likewise.
	(unordered_multiset<>::unordered_multiset()): Likewise.
	* include/debug/unordered_map: Likewise.
	* include/debug/unordered_set: Likewise.
	* testsuite/23_containers/unordered_map/allocator/noexcept.cc
	(test04()): New.
	* testsuite/23_containers/unordered_multimap/allocator/noexcept.cc
	(test04()): New.
	* testsuite/23_containers/unordered_set/allocator/noexcept.cc
	(test04()): New.
	* testsuite/23_containers/unordered_multiset/allocator/noexcept.cc
	(test04()): New.

From-SVN: r214986
2014-09-06 07:38:48 +00:00
François Dumont 013078982d re PR libstdc++/61667 (setting max_load_factor of unordered_map cause buckets shrink)
2014-08-09  François Dumont  <fdumont@gcc.gnu.org>

	PR libstdc++/61667
	* include/bits/hashtable.h (_Hashtable<>::__rehash_policy): Use
	_M_need_rehash to initialize the rehash policy and check if a rehash is
	needed.
	* testsuite/23_containers/unordered_map/modifiers/61667.cc: New.

From-SVN: r213775
2014-08-09 08:00:59 +00:00
François Dumont 95539f21f5 re PR libstdc++/61143 (Arithmetic exception on emplacing into unordered_map moved out)
2014-05-21  François Dumont  <fdumont@gcc.gnu.org>

	PR libstdc++/61143
	* include/bits/hashtable.h: Fix move semantic to leave hashtable in a
	usable state.
	* testsuite/23_containers/unordered_set/61143.cc: New.
	* testsuite/23_containers/unordered_set/modifiers/swap.cc: New.

From-SVN: r210726
2014-05-21 19:51:05 +00:00
François Dumont f7279c1a01 hashtable.h (_Hashtable(allocator_type)): Fix call to delegated constructor.
2014-03-23  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/hashtable.h (_Hashtable(allocator_type)): Fix call
	to delegated constructor.
	(_Hashtable(size_type, _H1, key_equal, allocator_type)): Likewise.
	(_Hashtable<_It>(_It, _It, size_type, _H1, key_equal, allocator_type)):
	Likewise.
	(_Hashtable(
	initializer_list, size_type, _H1, key_equal, allocator_type)): Likewise.

From-SVN: r208775
2014-03-23 20:19:11 +00:00
Jonathan Wakely 6ff956e3c2 re PR libstdc++/56267 (unordered containers require Assignable hash function)
PR libstdc++/56267
	* include/bits/hashtable.h (__cache_default): Do not depend on
	whether the hash function is DefaultConstructible or CopyAssignable.
	(_Hashtable): Adjust static assertions.
	* doc/xml/manual/containers.xml (containers.unordered.cache): Update.
	* testsuite/23_containers/unordered_set/instantiation_neg.cc: Adjust
	dg-error line number.
	* testsuite/23_containers/unordered_set/
	not_default_constructible_hash_neg.cc: Remove.

From-SVN: r206904
2014-01-21 19:38:35 +00:00
François Dumont 1bb59e05ad hashtable_policy.h: Fix some long lines.
2014-01-15  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/hashtable_policy.h: Fix some long lines.
	* include/bits/hashtable.h (__hash_code_base_access): Define and
	use it to check its _M_bucket_index noexcept qualification. Use
	also in place of...
	(__access_protected_ctor): ...this.
	* testsuite/23_containers/unordered_set/instantiation_neg.cc:
	Adapt line number.
	* testsuite/23_containers/unordered_set/
	not_default_constructible_hash_neg.cc: Likewise.

From-SVN: r206632
2014-01-15 16:53:02 +00:00
Richard Sandiford aa118a03c4 Update copyright years in libstdc++-v3/
From-SVN: r206301
2014-01-02 22:30:10 +00:00
Jonathan Wakely da2e699194 hashtable.cc (__access_protected_ctor): Define and use new type instead of _Hashtable_ebo_helper.
* include/bits/hashtable.cc (__access_protected_ctor): Define and use
	new type instead of _Hashtable_ebo_helper.
	* testsuite/23_containers/unordered_set/
	not_default_constructible_hash_neg.cc: Adjust line number.

From-SVN: r204182
2013-10-29 21:19:34 +00:00
Jason Merrill d4c579b561 * include/bits/hashtable.h (_Hashtable): Force EBO for _Hash_code_base.
From-SVN: r203984
2013-10-23 14:08:46 -04:00
François Dumont b09bcf83e8 hashtable_policy.h (_Hashtable_alloc): New.
2013-08-08  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/hashtable_policy.h (_Hashtable_alloc): New.
	(_ReuseOrAllocNode, _AllocNode): Adapt to use latter rather than
	_Hashtable.
	(_Before_begin<>): Remove.
	* include/bits/hashtable.h (_Hashtable): Inherit from
	_Hashtable_alloc and adapt. Restore _M_before_begin field.
	* src/c++11/hashtable_c++0x.cc: Add ext/alloc_traits.h include.
	* python/libstdcxx/v6/printers.py (StdHashtableIterator): Adapt
	access to hashtable before begin.
	* testsuite/23_containers/unordered_set/
	not_default_constructible_hash_neg.cc: Adapt dg-error line number.
	* testsuite/23_containers/unordered_set/instantiation_neg.cc:
	Likewise.

From-SVN: r201592
2013-08-08 09:47:29 +00:00
Paolo Carlini 6ffd1096cf 2013-08-06 Paolo Carlini <paolo.carlini@oracle.com>
Revert the last commit.

From-SVN: r201525
2013-08-06 11:11:07 +00:00
François Dumont a3d4b3d7db hashtable_policy.h (_Hashtable_alloc): New.
2013-08-06  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/hashtable_policy.h (_Hashtable_alloc): New.
	(_ReuseOrAllocNode, _AllocNode): Adapt to use latter rather than
	_Hashtable.
	(_Before_begin<>): Remove.
	* include/bits/hashtable.h (_Hashtable): Inherit from
	_Hashtable_alloc and adapt. Restore _M_before_begin field.
	* python/libstdcxx/v6/printers.py (StdHashtableIterator): Adapt
	access to hashtable before begin.
	* testsuite/23_containers/unordered_set/
	not_default_constructible_hash_neg.cc: Adapt dg-error line number.
	* testsuite/23_containers/unordered_set/instantiation_neg.cc:
	Likewise.

From-SVN: r201522
2013-08-06 08:38:58 +00:00
François Dumont b3abc9d822 hashtable_policy.h (_ReuseOrAllocNode): Use forward pattern.
2013-07-05  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/hashtable_policy.h (_ReuseOrAllocNode): Use forward
	pattern.
	(_MoveReuseOrAllocNode): Remove.
	(_Insert_base): Take a functor defining how the node is generated.
	* include/bits/hashtable.h: Adapt.
	(operator=(initializer_list<value_type>)): Reuse node if any.
	* testsuite/23_containers/unordered_set/instantiation_neg.cc:
	Adjust dg-error line number.
	* testsuite/23_containers/unordered_set/
	not_default_constructible_hash_neg.cc: Likewise.

From-SVN: r200724
2013-07-05 21:21:07 +00:00
Veres Lajos 1d77bc548a codecvt_members.cc: Fix typo.
2013-07-04  Veres Lajos  <vlajos@gmail.com>
	    Jonathan Wakely  <jwakely.gcc@gmail.com>

	* config/locale/generic/codecvt_members.cc: Fix typo.
	* configure.host: Likewise.
	* doc/html/manual/policy_data_structures_design.html: Likewise.
	* doc/xml/manual/policy_data_structures.xml: Likewise.
	* include/bits/hashtable.h: Likewise.
	* include/bits/random.h: Likewise.
	* include/profile/impl/profiler_trace.h: Likewise.
	* testsuite/23_containers/deque/cons/2.cc: Likewise.
	* testsuite/23_containers/deque/debug/shrink_to_fit.cc: Likewise.
	* testsuite/ext/pb_ds/example/basic_multimap.cc: Likewise.
	* testsuite/performance/23_containers/insert_erase/41975.cc: Likewise.

Co-Authored-By: Jonathan Wakely <jwakely.gcc@gmail.com>

From-SVN: r200681
2013-07-04 22:07:44 +01:00
François Dumont 41349aec29 hashtable_policy.h (_Insert_base): Consider hint in insert methods.
2013-06-29  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/hashtable_policy.h (_Insert_base): Consider hint in
	insert methods.
	* include/bits/hashtable.h: Likewise.
	* testsuite/23_containers/unordered_multimap/insert/hint.cc: New.
	* testsuite/performance/23_containers/insert/unordered_multiset_hint.cc:
	New.
	* testsuite/23_containers/unordered_set/instantiation_neg.cc:
	Adjust dg-error line number.
	* testsuite/23_containers/unordered_set/
	not_default_constructible_hash_neg.cc: Likewise.
	* doc/xml/manual/containers.xml: Document hinting in unordered
	containers.

From-SVN: r200564
2013-06-29 07:55:12 +00:00
Jonathan Wakely f038f5824b re PR libstdc++/57263 (std::set with user-defined allocator - compile error)
PR libstdc++/57263
	* include/bits/forward_list.h (_Fwd_list_base): Convert to/from
	allocator's pointer type.
	* include/bits/hashtable.h (_Hashtable): Likewise.
	* testsuite/util/testsuite_allocator.h (CustomPointerAlloc): Add.
	* testsuite/23_containers/forward_list/allocator/ext_ptr.cc: New.
	* testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: New.
	* testsuite/23_containers/vector/allocator/ext_ptr.cc: New.

From-SVN: r200136
2013-06-16 18:13:34 +01:00
François Dumont 0462b6aa20 hashtable_policy.h: Add C++11 allocator support.
2013-04-22  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/hashtable_policy.h: Add C++11 allocator support.
	* include/bits/hashtable.h: Likewise.
	* include/bits/unordered_set.h: Likewise.
	* include/bits/unordered_map.h: Likewise.
	* include/debug/unordered_set: Likewise.
	* include/debug/unordered_map: Likewise.
	* include/std/unordered_set: Remove bits/algobase.h
	include. Replace bits/alloc_traits.h by ext/alloc_traits.h.
	* include/std/unordered_map: Likewise.
	* include/ext/throw_allocator.h: Add checks on calls to allocator
	construct/destroy.
	(std::hash<__gnu_cxx::throw_value_limit>): Add conditional throw.
	(std::hash<__gnu_cxx::throw_value_random>): Likewise.
	* testsuite/util/regression/rand/priority_queue
	/container_rand_regression_test.tcc: Adapt.
	* testsuite/util/regression/rand/assoc
	/container_rand_regression_test.tcc: Likewise.
	* testsuite/util/testsuite_counter_type.h: Add count of destructors.
	* testsuite/23_containers/unordered_set
	/not_default_constructible_hash_neg.cc: Adjust dg-error line number.
	* testsuite/23_containers/unordered_set/instantiation_neg.cc: Likewise.
	* testsuite/23_containers/unordered_set/allocator/copy.cc: New.
	* testsuite/23_containers/unordered_set/allocator/copy_assign.cc: New.
	* testsuite/23_containers/unordered_set/allocator/minimal.cc: New.
	* testsuite/23_containers/unordered_set/allocator/move_assign.cc: New.
	* testsuite/23_containers/unordered_set/allocator/noexcept.cc: New.
	* testsuite/23_containers/unordered_set/allocator/swap.cc: New.
	* testsuite/23_containers/unordered_multiset/allocator/copy.cc: New.
	* testsuite/23_containers/unordered_multiset/allocator/copy_assign.cc:
	New.
	* testsuite/23_containers/unordered_multiset/allocator/minimal.cc: New.
	* testsuite/23_containers/unordered_multiset/allocator/move_assign.cc:
	New.
	* testsuite/23_containers/unordered_multiset/allocator/noexcept.cc: New.
	* testsuite/23_containers/unordered_multiset/allocator/swap.cc: New.
	* testsuite/23_containers/unordered_map/allocator/copy.cc: New.
	* testsuite/23_containers/unordered_map/allocator/copy_assign.cc: New.
	* testsuite/23_containers/unordered_map/allocator/minimal.cc: New.
	* testsuite/23_containers/unordered_map/allocator/move_assign.cc: New.
	* testsuite/23_containers/unordered_map/allocator/noexcept.cc:
	New.
	* testsuite/23_containers/unordered_map/allocator/swap.cc: New.
	* testsuite/23_containers/unordered_multimap/allocator/copy.cc: New.
	* testsuite/23_containers/unordered_multimap/allocator/copy_assign.cc:
	New.
	* testsuite/23_containers/unordered_multimap/allocator/minimal.cc: New.
	* testsuite/23_containers/unordered_multimap/allocator/move_assign.cc:
	New.
	* testsuite/23_containers/unordered_multimap/allocator/noexcept.cc: New.
	* testsuite/23_containers/unordered_multimap/allocator/swap.cc: New.

From-SVN: r198158
2013-04-22 20:22:07 +00:00
François Dumont d9a3647a22 hashtable_policy.h (_Hash_code_base): Restore default constructor protected.
2013-02-13  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/hashtable_policy.h (_Hash_code_base): Restore
	default constructor protected.
	* include/bits/hashtable.h: static assert that _Hash_code_base has
	a default constructor available through inheritance.

From-SVN: r196030
2013-02-13 21:09:34 +00:00
Jonathan Wakely dfed5434f3 re PR libstdc++/56267 (unordered containers require Assignable hash function)
PR libstdc++/56267
	* include/bits/hashtable.h (__cache_default): Check if hash function
	is copy assignable.
	* testsuite/23_containers/unordered_set/56267.cc: New.
	* testsuite/23_containers/unordered_set/instantiation_neg.cc: Adjust
	dg-error line number.
	* testsuite/23_containers/unordered_set/
	not_default_constructible_hash_neg.cc: Likewise.

From-SVN: r195936
2013-02-11 00:19:29 +00:00
François Dumont 4df047dd34 functional_hash.h (std::__is_fast_hash<>): New.
2013-02-04  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/functional_hash.h (std::__is_fast_hash<>): New.
	* include/bits/basic_string.h: Specialize previous to mark
	std::hash for string types as slow.
	* include/bits/hashtable.h (__cache_default): Replace is_integral
	with __is_fast_hash.
	* src/c++11/hash_c++0x.cc: Add type_traits include.
	* testsuite/23_containers/unordered_set/instantiation_neg.cc:
	Adapt dg-error line number.
	* testsuite/23_containers/unordered_set/
	not_default_constructible_hash_neg.cc: Likewise.

From-SVN: r195738
2013-02-04 21:14:07 +00:00
François Dumont 5b3be7cf99 hashtable_policy.h (_Local_iterator_base): Use _Hashtable_ebo_helper to embed functors into the local_iterator when necessary.
2013-01-28  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/hashtable_policy.h (_Local_iterator_base): Use
	_Hashtable_ebo_helper to embed functors into the local_iterator
	when necessary. Pass information about functors involved in hash
	code by copy.
	* include/bits/hashtable.h (__cache_default): Do not cache for
	builtin integral types unless the hash functor is not noexcept
	qualified or is not default constructible. Adapt static assertions
	and local iterator instantiations.
	* include/debug/unordered_set
	(std::__debug::unordered_set<>::erase): Detect local iterators to
	invalidate using contained node rather than generating a dummy
	local_iterator instance.
	(std::__debug::unordered_multiset<>::erase): Likewise.
	* include/debug/unordered_map
	(std::__debug::unordered_map<>::erase): Likewise.
	(std::__debug::unordered_multimap<>::erase): Likewise.
	* testsuite/performance/23_containers/insert_erase/41975.cc: Test
	std::tr1 and std versions of unordered_set regardless of any
	macro. Add test on default cache behavior.
	* testsuite/performance/23_containers/insert/54075.cc: Likewise.
	* testsuite/23_containers/unordered_set/instantiation_neg.cc:
	Adapt line number.
	* testsuite/23_containers/unordered_set/
	not_default_constructible_hash_neg.cc: New.
	* testsuite/23_containers/unordered_set/buckets/swap.cc: New.

From-SVN: r195517
2013-01-28 20:52:13 +00:00
Jonathan Wakely 8175e9866c re PR libstdc++/55043 (issue with nesting unordered_map containing unique_ptr into vector)
PR libstdc++/55043
	* include/std/unordered_map: Include alloc_traits.h
	* include/std/unordered_set: Likewise.
	* include/bits/alloc_traits.h: Define __is_copy_insertable.
	* include/bits/unordered_map.h: Use it.
	* include/bits/unordered_set.h: Likewise.
	* include/debug/unordered_map.h: Likewise.
	* include/debug/unordered_set.h: Likewise.
	* include/profile/unordered_map.h: Likewise.
	* include/profile/unordered_set.h: Likewise.
	* include/bits/hashtable.h: Fix comment typos.
	* testsuite/23_containers/unordered_map/55043.cc: New.
	* testsuite/23_containers/unordered_multimap/55043.cc: New.
	* testsuite/23_containers/unordered_multiset/55043.cc: New.
	* testsuite/23_containers/unordered_set/55043.cc: New.

From-SVN: r195231
2013-01-16 09:20:34 +00:00
Paolo Carlini 25caa91e99 re PR libstdc++/55413 ([LTO] hashtable.h:1648 '__bbegin_bkt' may be used uninitialized in this function [-Werror=maybe-uninitialized])
2012-11-20  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/55413
	* include/bits/hashtable.h (_Hashtable<>::_M_rehash_aux): Initialize
	__bbegin_bkt and __prev_bkt to avoid uninitialized warnings.
	* testsuite/23_containers/unordered_set/instantiation_neg.cc: Adjust
	dg-error line number.

From-SVN: r193663
2012-11-20 14:54:11 +00:00
Jonathan Wakely 207585a63d hashtable.h: Improve comments.
* include/bits/hashtable.h: Improve comments.
	* include/bits/hashtable_policy.h: Likewise.

From-SVN: r193636
2012-11-19 21:33:52 +00:00
François Dumont d4a7f7a15c hashtable_policy.h (_Prime_rehash_policy): Remove automatic shrink.
2012-11-16  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/hashtable_policy.h (_Prime_rehash_policy): Remove
	automatic shrink.
	(_Prime_rehash_policy::_M_bkt_for_elements): Do not call
	_M_next_bkt anymore.
	(_Prime_rehash_policy::_M_next_bkt): Move usage of
	_S_growth_factor ...
	(_Prime_rehash_policy::_M_need_rehash): ... here.
	* include/bits/hashtable.h (_Hashtable<>): Adapt.
	* testsuite/performance/23_containers/insert_erase/41975.cc: Add
	_USE_TR1 to force build using std::tr1 container.
	* testsuite/performance/23_containers/insert/unordered_set.cc:
	Likewise.
	* testsuite/performance/23_containers/insert/54075.cc: New.

From-SVN: r193576
2012-11-16 21:28:44 +00:00
François Dumont ecf07a67d0 re PR libstdc++/54075 ([4.7.1] unordered_map insert still slower than 4.6.2)
2012-11-08  François Dumont  <fdumont@gcc.gnu.org>

	PR libstdc++/54075
	* include/bits/hashtable.h (_Hashtable<>::rehash): Reset hash
	policy state if no rehash.
	* testsuite/23_containers/unordered_set/modifiers/reserve.cc
	(test02): New.

From-SVN: r193339
2012-11-08 20:16:04 +00:00
François Dumont 0dd4969120 hashtable_policy.h (__details::_Before_begin<>): New, combine a base node instance and an allocator.
2012-11-01  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/hashtable_policy.h (__details::_Before_begin<>):
	New, combine a base node instance and an allocator.
	* include/bits/hashtable.h (_Hashtable<>::_M_node_allocator): Remove.
	(_Hashtable<>::_M_before_begin): Rename into _M_bbegin and type
	modified to __detail::_Before_begin<>.
	(_Hashtable<>::_M_node_allocator()): New, get the node allocator
	part of _M_bbegin.
	(_Hashtable<>::_M_before_begin()): New, get the before begin node
	part of _M_bbegin.
	(_Hashtable<>): Adapt to use latter.

From-SVN: r193068
2012-11-01 20:55:51 +00:00
François Dumont 3157879227 re PR libstdc++/54296 (using the object in the map to erase element from the map crashes)
2012-09-05  François Dumont  <fdumont@gcc.gnu.org>

	PR libstdc++/54296
	* include/bits/hashtable.h (_M_erase(size_type, __node_base*,
	__node_type*)): New.
	(erase(const_iterator)): Use latter.
	(_M_erase(std::true_type, const key_type&)): New, likewise.
	(_M_erase(std::false_type, const key_type&)): New. Find all nodes
	matching the key before deallocating them so that the key doesn't
	get invalidated.
	(erase(const key_type&)): Use the new member functions.
	* testsuite/23_containers/unordered_map/erase/54296.cc: New.
	* testsuite/23_containers/unordered_multimap/erase/54296.cc: New.

From-SVN: r190991
2012-09-05 19:41:16 +00:00
François Dumont 181a5a136f 2012-08-10 François Dumont <fdumont@gcc.gnu.org>
Ollie Wild  <aaw@google.com>

	* include/bits/hashtable.h
	(_Hashtable<>_M_insert_multi_node(hash_code, node_type*)): New.
	(_Hashtable<>_M_insert(_Args&&, false_type)): Use latter.
	(_Hashtable<>::_M_emplace(false_type, _Args&&...)): Likewise.
	(_Hashtable<>::_M_insert_bucket): Replace by ...
	(_Hashtable<>::_M_insert_unique_node(size_type, hash_code, node_type*)):
	... this, new.
	(_Hashtable<>::_M_insert(_Args&&, true_type)): Use latter.
	(_Hashtable<>::_M_emplace(true_type, _Args&&...)): Likewise.
	* include/bits/hashtable_policy.h (_Map_base<>::operator[]): Use
	latter, emplace the value_type rather than insert.
	* include/std/unordered_map: Include tuple.
	* include/std/unordered_set: Likewise.
	* testsuite/util/testsuite_counter_type.h: New.
	* testsuite/23_containers/unordered_map/operators/2.cc: New.

Co-Authored-By: Ollie Wild <aaw@google.com>

From-SVN: r190355
2012-08-13 19:43:19 +00:00
François Dumont 2514d7f1ff re PR libstdc++/54075 ([4.7.1] unordered_map insert still slower than 4.6.2)
2012-07-25  François Dumont  <fdumont@gcc.gnu.org>

	PR libstdc++/54075
	* include/bits/hashtable.h
	(_Hashtable<>::_Hashtable(_InputIterator, _InputIterator,
	size_type, ...): Remove std::max usage to guarantee that hashtable
	state is consistent with hash policy state.
	(_Hashtable<>::rehash): Likewise. Set _M_prev_resize to 0 to avoid
	the hashtable to be shrinking on next insertion.
	* testsuite/23_containers/unordered_set/modifiers/reserve.cc: New.
	* testsuite/23_containers/unordered_multiset/modifiers/reserve.cc: New.
	* testsuite/23_containers/unordered_map/modifiers/reserve.cc: New.
	* testsuite/23_containers/unordered_multimap/modifiers/reserve.cc: New.

From-SVN: r189863
2012-07-25 19:32:48 +00:00