2018-11-12 Jason Merrill * libsupc++/new (std::destroying_delete_t): New. 2018-11-12 Jonathan Wakely PR libstdc++/87963 * src/c++17/memory_resource.cc (chunk::_M_bytes): Change type from unsigned to uint32_t. (chunk): Fix static assertion for 64-bit targets that aren't LP64. (bigblock::all_ones): Fix undefined shift. 2018-11-11 Hans-Peter Nilsson PR libstdc++-v3/54005 * include/bits/atomic_base.h (__atomic_base<_TTp>::is_lock_free(), __atomic_base<_PTp*>::is_lock_free()): Call __atomic_is_lock_free with the type-derived _S_alignment instead of __alignof the object. * include/std/atomic (atomic::is_lock_free()): Likewise. 2018-11-11 Jonathan Wakely Implement P0318R1 unwrap_ref_decay and unwrap_reference * include/std/type_traits (unwrap_reference, unwrap_reference_t) (unwrap_ref_decay, unwrap_ref_decay_t): New traits and aliases. * testsuite/20_util/unwrap_reference/1.cc: New test. * testsuite/20_util/unwrap_reference/2.cc: New test. Implement P1007R3 std::assume_aligned * include/std/memory (assume_aligned): Implement for C++17. * testsuite/20_util/assume_aligned/1.cc: New test. * testsuite/20_util/assume_aligned/2_neg.cc: New test. * testsuite/20_util/assume_aligned/3.cc: New test. 2018-11-09 Jonathan Wakely PR libstdc++/87787 * include/bits/stl_uninitialized.h (__relocate_a_1): Do not call memmove when there's nothing to copy (and pointers could be null). 2018-11-07 Hafiz Abid Qadeer * configure: Regenerated. 2018-11-07 Jonathan Wakely * config/abi/pre/gnu.ver: Fix patterns for size_t parameters. 2018-11-06 Jonathan Wakely Implement std::pmr::unsynchronized_pool_resource * config/abi/pre/gnu.ver: Add new symbols. * include/std/memory_resource (std::pmr::__pool_resource): New class. (std::pmr::unsynchronized_pool_resource): New class. * src/c++17/Makefile.am: Add -fimplicit-templates to flags for memory_resource.cc * src/c++17/Makefile.in: Regenerate. * src/c++17/memory_resource.cc (bitset, chunk, big_block): New internal classes. (__pool_resource::_Pool): Define new class. (munge_options, pool_index, select_num_pools): New internal functions. (__pool_resource::__pool_resource, __pool_resource::~__pool_resource) (__pool_resource::allocate, __pool_resource::deallocate) (__pool_resource::_M_alloc_pools): Define member functions. (unsynchronized_pool_resource::unsynchronized_pool_resource) (unsynchronized_pool_resource::~unsynchronized_pool_resource) (unsynchronized_pool_resource::release) (unsynchronized_pool_resource::_M_find_pool) (unsynchronized_pool_resource::do_allocate) (unsynchronized_pool_resource::do_deallocate): Define member functions. * testsuite/20_util/unsynchronized_pool_resource/allocate.cc: New test. * testsuite/20_util/unsynchronized_pool_resource/is_equal.cc: New test. * testsuite/20_util/unsynchronized_pool_resource/options.cc: New test. * testsuite/20_util/unsynchronized_pool_resource/release.cc: New test. 2018-11-06 John Bytheway PR libstdc++/87872 * include/debug/safe_sequence.tcc (_Safe_sequence<>::_M_transfer_from_if): Skip transfer to self. 2018-10-31 Joseph Myers PR bootstrap/82856 * Makefile.am: Include multilib.am. * configure.ac: Remove AC_PREREQ. * Makefile.in, aclocal.m4, configure, doc/Makefile.in, include/Makefile.in, libsupc++/Makefile.in, po/Makefile.in, python/Makefile.in, src/Makefile.in, src/c++11/Makefile.in, src/c++17/Makefile.in, src/c++98/Makefile.in, src/filesystem/Makefile.in, testsuite/Makefile.in: Regenerate. 2018-10-31 Jonathan Wakely * testsuite/20_util/pair/87822.cc: Test deeper nesting. PR libstdc++/87822 * include/bits/stl_pair.h (__pair_base): Change to class template. (pair): Make base class type depend on template parameters. * testsuite/20_util/pair/87822.cc: New test. 2018-10-30 Marek Polacek Implement P0892R2, explicit(bool). * testsuite/20_util/any/cons/explicit.cc: Adjust dg-error. * testsuite/20_util/pair/cons/explicit_construct.cc: Likewise. * testsuite/20_util/tuple/cons/explicit_construct.cc: Likewise. 2018-10-30 Jonathan Wakely PR libstdc++/87809 * include/bits/forward_list.h (_Fwd_list_impl::_Fwd_list_impl()): Use trait in exception-specification instead of possibly invalid expression. * include/bits/stl_bvector.h (_Bvector_impl::_Bvector_impl()): Likewise. * include/bits/stl_list.h (_List_impl::_List_impl()): Likewise. * include/bits/stl_vector.h (_Vector_impl::_Vector_impl()): Likewise. * testsuite/23_containers/forward_list/cons/87809.cc: New test. * testsuite/23_containers/list/cons/87809.cc: New test. * testsuite/23_containers/vector/bool/cons/87809.cc: New test. * testsuite/23_containers/vector/cons/87809.cc: New test. PR libstdc++/87784 * include/tr2/dynamic_bitset (dynamic_bitset::push_back): When there are no unused bits in the last block, append a new block with the right value so the bit doesn't need to be set. Only increment size after setting the new bit, not before. * testsuite/tr2/dynamic_bitset/pr87784.cc: New test. 2018-10-29 David Malcolm * testsuite/17_intro/using_namespace_std_exp_neg.cc: Remove "expected namespace-name before" error. * testsuite/17_intro/using_namespace_std_tr1_neg.cc: Likewise. 2018-10-28 François Dumont * testsuite/23_containers/deque/48101_neg.cc: Remove dg-prune-output 'std' from regex pattern for versioned namespace compatibility. * testsuite/23_containers/vector/48101_neg.cc: Likewise. * testsuite/27_io/filesystem/path/io/dr2989.cc: Likewise. 2018-10-25 Jonathan Wakely PR libstdc++/87749 * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI] (basic_string::operator=(basic_string&&)): For short strings copy the buffer inline. Only fall back to using assign(const basic_string&) to do a deep copy when reallocation is needed. * testsuite/21_strings/basic_string/modifiers/assign/char/87749.cc: New test. * testsuite/21_strings/basic_string/modifiers/assign/char/ move_assign_optim.cc: New test. * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/87749.cc: New test. * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/ move_assign_optim.cc: New test. 2018-10-25 Marc Glisse PR libstdc++/87106 * include/bits/alloc_traits.h (_S_construct, _S_destroy, construct, destroy): Add noexcept specification. * include/bits/allocator.h (construct, destroy): Likewise. * include/ext/alloc_traits.h (construct, destroy): Likewise. * include/ext/malloc_allocator.h (construct, destroy): Likewise. * include/ext/new_allocator.h (construct, destroy): Likewise. * include/bits/stl_uninitialized.h (__relocate_object_a, __relocate_a, __relocate_a_1): New functions. (__is_trivially_relocatable): New class. * include/bits/stl_vector.h (__use_relocate): New static member. * include/bits/vector.tcc (reserve, _M_realloc_insert, _M_default_append): Use __relocate_a. (reserve, _M_assign_aux, _M_realloc_insert, _M_fill_insert, _M_default_append, _M_range_insert): Move _GLIBCXX_ASAN_ANNOTATE_REINIT after _Destroy. * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Replace CopyConsOnlyType with DelAnyAssign. 2018-10-24 François Dumont * include/debug/safe_unordered_container.h (_Safe_unordered_container<>::_M_invalidate_locals): Take lambda parameter type from local end variable. (_Safe_unordered_container<>::_M_invalidate_all): Likewise. * include/debug/unordered_map (unordered_map<>::begin()): Use C++11 direct initialization. (unordered_map<>::end()): Likewise. (unordered_map<>::cbegin()): Likewise. (unordered_map<>::cend()): Likewise. (unordered_map<>::begin(size_type)): Likewise. (unordered_map<>::end(size_type)): Likewise. (unordered_map<>::cbegin(size_type)): Likewise. (unordered_map<>::cend(size_type)): Likewise. (unordered_map<>::emplace<>(_Args&&...)): Likewise. (unordered_map<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise. (unordered_map<>::insert(const value_type&)): Likewise. (unordered_map<>::insert(value_type&&)): Likewise. (unordered_map<>::insert<>(_Pair&&)): Likewise. (unordered_map<>::insert(const_iterator, const value_type&)): Likewise. (unordered_map<>::insert(const_iterator, value_type&&)): Likewise. (unordered_map<>::insert<>(const_iterator, _Pair&&)): Likewise. (unordered_map<>::try_emplace<>(const key_type&, _Args&&...)): Likewise. (unordered_map<>::try_emplace<>(key_type&&, _Args&&...)): Likewise. (unordered_map<>::try_emplace<>(const_iterator, const key_type&, _Args&&...)): Likewise. (unordered_map<>::try_emplace<>(const_iterator, key_type&&, _Args&&...)): Likewise. (unordered_map<>::insert_or_assign<>(const key_type&, _Obj&&)): Likewise. (unordered_map<>::insert_or_assign<>(key_type&&, _Obj&&)): Likewise. (unordered_map<>::insert_or_assign<>(const_iterator, const key_type&, _Obj&&)): Likewise. (unordered_map<>::insert_or_assign<>(const_iterator, key_type&&, _Obj&&)): Likewise. (unordered_map<>::insert(note_type&&)): Likewise. (unordered_map<>::find(const key_type&)): Likewise. (unordered_map<>::equal_range(const key_type&)): Likewise. (unordered_map<>::_M_extract): New. (unordered_map<>::extract(const_iterator)): Use latter. (unordered_map<>::extract(const key_type&)): Likewise. (unordered_map<>::_M_erase): New. (unordered_map<>::erase(const key_type&)): Use latter. (unordered_map<>::erase(const_iterator)): Likewise. (unordered_map<>::erase(iterator)): Likewise. (unordered_map<>::_M_invalidate): New. (unordered_map<>::erase(const_iterator, const_iterator)): Use latter. (unordered_multimap<>::begin()): Use C++11 direct initialization. (unordered_multimap<>::end()): Likewise. (unordered_multimap<>::cbegin()): Likewise. (unordered_multimap<>::cend()): Likewise. (unordered_multimap<>::begin(size_type)): Likewise. (unordered_multimap<>::end(size_type)): Likewise. (unordered_multimap<>::cbegin(size_type)): Likewise. (unordered_multimap<>::cend(size_type)): Likewise. (unordered_multimap<>::emplace<>(_Args&&...)): Likewise. (unordered_multimap<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise. (unordered_multimap<>::insert(const value_type&)): Likewise. (unordered_multimap<>::insert(const_iterator, const value_type&)): Likewise. (unordered_multimap<>::insert(const_iterator, value_type&&)): Likewise. (unordered_multimap<>::insert<>(_Pair&&)): Likewise. (unordered_multimap<>::insert<>(const_iterator, _Pair&&)): Likewise. (unordered_multimap<>::insert(note_type&&)): Likewise. (unordered_multimap<>::insert(const_iterator, note_type&&)): Likewise. (unordered_multimap<>::find(const key_type&)): Likewise. (unordered_multimap<>::equal_range(const key_type&)): Likewise. (unordered_multimap<>::_M_extract): New. (unordered_multimap<>::extract(const_iterator)): Use latter. (unordered_multimap<>::extract(const key_type&)): Likewise. (unordered_multimap<>::_M_erase): New. (unordered_multimap<>::erase(const_iterator)): Likewise. (unordered_multimap<>::erase(iterator)): Likewise. (unordered_multimap<>::_M_invalidate): New. (unordered_multimap<>::erase(const key_type&)): Use latter. (unordered_multimap<>::erase(const_iterator, const_iterator)): Likewise. * include/debug/unordered_set (unordered_set<>::begin()): Use C++11 direct initialization. (unordered_set<>::end()): Likewise. (unordered_set<>::cbegin()): Likewise. (unordered_set<>::cend()): Likewise. (unordered_set<>::begin(size_type)): Likewise. (unordered_set<>::end(size_type)): Likewise. (unordered_set<>::cbegin(size_type)): Likewise. (unordered_set<>::cend(size_type)): Likewise. (unordered_set<>::emplace<>(_Args&&...)): Likewise. (unordered_set<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise. (unordered_set<>::insert(const value_type&)): Likewise. (unordered_set<>::insert(value_type&&)): Likewise. (unordered_set<>::insert(const_iterator, const value_type&)): Likewise. (unordered_set<>::insert(const_iterator, value_type&&)): Likewise. (unordered_set<>::insert(note_type&&)): Likewise. (unordered_set<>::insert(const_iterator, note_type&&)): Likewise. (unordered_set<>::find(const key_type&)): Likewise. (unordered_set<>::equal_range(const key_type&)): Likewise. (unordered_set<>::_M_extract): New. (unordered_set<>::extract(const_iterator)): Use latter. (unordered_set<>::extract(const key_type&)): Likewise. (unordered_set<>::_M_erase): New. (unordered_set<>::erase(const key_type&)): Use latter. (unordered_set<>::erase(const_iterator)): Likewise. (unordered_set<>::erase(iterator)): Likewise. (unordered_set<>::_M_invalidate): New. (unordered_set<>::erase(const_iterator, const_iterator)): Use latter. (unordered_multiset<>::begin()): Use C++11 direct initialization. (unordered_multiset<>::end()): Likewise. (unordered_multiset<>::cbegin()): Likewise. (unordered_multiset<>::cend()): Likewise. (unordered_multiset<>::begin(size_type)): Likewise. (unordered_multiset<>::end(size_type)): Likewise. (unordered_multiset<>::cbegin(size_type)): Likewise. (unordered_multiset<>::cend(size_type)): Likewise. (unordered_multiset<>::emplace<>(_Args&&...)): Likewise. (unordered_multiset<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise. (unordered_multiset<>::insert(const value_type&)): Likewise. (unordered_multiset<>::insert(const_iterator, const value_type&)): Likewise. (unordered_multiset<>::insert(value_type&&)): Likewise. (unordered_multiset<>::insert(const_iterator, value_type&&)): Likewise. (unordered_multiset<>::insert(node_type&&)): Likewise. (unordered_multiset<>::insert(const_iterator, node_type&&)): Likewise. (unordered_multiset<>::find(const key_type&)): Likewise. (unordered_multiset<>::equal_range(const key_type&)): Likewise. (unordered_multiset<>::_M_extract): New. (unordered_multiset<>::extract(const_iterator)): Use latter. (unordered_multiset<>::extract(const key_type&)): Likewise. (unordered_multiset<>::_M_erase): New. (unordered_multiset<>::erase(const_iterator)): Likewise. (unordered_multiset<>::erase(iterator)): Likewise. (unordered_multiset<>::_M_invalidate): New. (unordered_multiset<>::erase(const key_type&)): Use latter. (unordered_multiset<>::erase(const_iterator, const_iterator)): Likewise. * include/c_global/cstddef: Add versioned namespace. 2018-10-23 Jonathan Wakely PR libstdc++/87704 * include/bits/unique_ptr.h (unique_ptr::unique_ptr(nullptr_t)): Do not delegate to default constructor. (unique_ptr::unique_ptr(nullptr_t)): Likewise. * testsuite/20_util/unique_ptr/cons/incomplete.cc: New test. 2018-10-20 François Dumont * testsuite/util/testsuite_containers.h (forward_members_unordered<>::forward_members_unordered (const value_type&)): Add local_iterator pre and post increment checks. * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 new symbol. 2018-10-19 Jonathan Wakely * testsuite/23_containers/array/requirements/explicit_instantiation/ 3.cc: Skip test when compiled with a -std=c++NN strict mode. * testsuite/23_containers/deque/requirements/explicit_instantiation/ 3.cc: Likewise. * testsuite/23_containers/forward_list/requirements/ explicit_instantiation/3.cc: Likewise. * testsuite/23_containers/list/requirements/explicit_instantiation/ 3.cc: Likewise. * testsuite/23_containers/map/requirements/explicit_instantiation/ 3.cc: Likewise. * testsuite/23_containers/multimap/requirements/explicit_instantiation/ 3.cc: Likewise. * testsuite/23_containers/multiset/requirements/explicit_instantiation/ 3.cc: Likewise. * testsuite/23_containers/set/requirements/explicit_instantiation/ 3.cc: Likewise. * testsuite/23_containers/unordered_map/requirements/ explicit_instantiation/3.cc: Likewise. * testsuite/23_containers/unordered_multimap/requirements/ explicit_instantiation/3.cc: Likewise. * testsuite/23_containers/unordered_multiset/requirements/ explicit_instantiation/3.cc: Likewise. * testsuite/23_containers/unordered_set/requirements/ explicit_instantiation/3.cc: Likewise. * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/ 3.cc: Likewise. * testsuite/23_containers/vector/requirements/explicit_instantiation/ 3.cc: Likewise. * testsuite/23_containers/deque/48101_neg.cc: Prune additional errors printed when __STRICT_ANSI__ is defined. * testsuite/23_containers/forward_list/48101_neg.cc: Likewise. * testsuite/23_containers/list/48101_neg.cc: Likewise. * testsuite/23_containers/multiset/48101_neg.cc: Likewise. * testsuite/23_containers/set/48101_neg.cc: Likewise. * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise. * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise. * testsuite/23_containers/vector/48101_neg.cc: Likewise. * testsuite/23_containers/forward_list/requirements/ explicit_instantiation/5.cc [__STRICT_ANSI__]: Don't test non-standard extension. * testsuite/23_containers/list/requirements/explicit_instantiation/ 5.cc [__STRICT_ANSI__]: Likewise. * testsuite/23_containers/map/requirements/explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise. * testsuite/23_containers/multimap/requirements/explicit_instantiation/ 5.cc [__STRICT_ANSI__]: Likewise. * testsuite/23_containers/multiset/requirements/explicit_instantiation/ 5.cc [__STRICT_ANSI__]: Likewise. * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise. * testsuite/23_containers/unordered_map/requirements/debug_container.cc [__STRICT_ANSI__]: Likewise. * testsuite/23_containers/unordered_map/requirements/ explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise. * testsuite/23_containers/unordered_multimap/requirements/ explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise. * testsuite/23_containers/unordered_multiset/requirements/ explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise. * testsuite/23_containers/unordered_set/requirements/ explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise. * testsuite/20_util/scoped_allocator/1.cc: Use allocator with correct value type for the container. * testsuite/23_containers/forward_list/cons/14.cc: Likewise. * testsuite/23_containers/map/56613.cc: Likewise. * testsuite/23_containers/unordered_map/55043.cc: Likewise. * testsuite/23_containers/unordered_map/allocator/copy.cc: Likewise. * testsuite/23_containers/unordered_map/allocator/copy_assign.cc: Likewise. * testsuite/23_containers/unordered_map/allocator/minimal.cc: Likewise. * testsuite/23_containers/unordered_map/allocator/move.cc: Likewise. * testsuite/23_containers/unordered_map/allocator/move_assign.cc: Likewise. * testsuite/23_containers/unordered_map/allocator/noexcept.cc: Likewise. * testsuite/23_containers/unordered_map/cons/81891.cc: Likewise. * testsuite/23_containers/unordered_map/requirements/exception/ basic.cc: Likewise. * testsuite/23_containers/unordered_map/requirements/exception/ generation_prohibited.cc: Likewise. * testsuite/23_containers/unordered_map/requirements/exception/ propagation_consistent.cc: Likewise. * testsuite/23_containers/unordered_multimap/55043.cc: Likewise. * testsuite/23_containers/unordered_multimap/allocator/copy.cc: Likewise. * testsuite/23_containers/unordered_multimap/allocator/copy_assign.cc: Likewise. * testsuite/23_containers/unordered_multimap/allocator/minimal.cc: Likewise. * testsuite/23_containers/unordered_multimap/allocator/move.cc: Likewise. * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc: Likewise. * testsuite/23_containers/unordered_multimap/allocator/noexcept.cc: Likewise. * testsuite/23_containers/unordered_multimap/requirements/exception/ basic.cc: Likewise. * testsuite/23_containers/unordered_multimap/requirements/exception/ generation_prohibited.cc: Likewise. * testsuite/23_containers/unordered_multimap/requirements/exception/ propagation_consistent.cc: Likewise. * testsuite/23_containers/unordered_multimap/requirements/ explicit_instantiation/5.cc: Likewise. * testsuite/ext/malloc_allocator/sanity.cc: Likewise. * ext/special_functions/airy_ai/check_nan.cc: Skip test for non-standard extension when a strict -std=c++NN dialect is used. * ext/special_functions/airy_ai/check_value.cc: Likewise. * ext/special_functions/airy_ai/compile.cc: Likewise. * ext/special_functions/airy_bi/check_nan.cc: Likewise. * ext/special_functions/airy_bi/check_value.cc: Likewise. * ext/special_functions/airy_bi/compile.cc: Likewise. * ext/special_functions/conf_hyperg/check_nan.cc: Likewise. * ext/special_functions/conf_hyperg/check_value.cc: Likewise. * ext/special_functions/conf_hyperg/compile.cc: Likewise. * ext/special_functions/hyperg/check_nan.cc: Likewise. * ext/special_functions/hyperg/check_value.cc: Likewise. * ext/special_functions/hyperg/compile.cc: Likewise. * testsuite/23_containers/list/requirements/explicit_instantiation/ 5_c++0x.cc: Remove redundant test that is functionally identical to the 5.cc test. * testsuite/23_containers/map/requirements/explicit_instantiation/ 5_c++0x.cc: Likewise. * testsuite/23_containers/multimap/requirements/explicit_instantiation/ 5_c++0x.cc: Likewise. * testsuite/23_containers/multiset/requirements/explicit_instantiation/ 5_c++0x.cc: Likewise. * testsuite/23_containers/set/requirements/explicit_instantiation/ 5_c++0x.cc: Likewise. * include/bits/regex_executor.tcc (_Backref_matcher::_M_apply): Use _GLIBCXX_STD_A to refer to normal mode algorithms. * testsuite/28_regex/headers/regex/parallel_mode.cc: New test. * testsuite/28_regex/headers/regex/std_c++0x_neg.cc: Remove empty whitespace. * include/debug/map.h (map::erase(iterator)): Add abi-tag so that C++11 version mangles differently from incompatible C++98 version. * include/debug/multimap.h (multimap::erase(iterator)): Likewise. * include/debug/multiset.h (multiset::erase(iterator)) (multiset::erase(const_iterator, const_iterator)): Likewise. * include/debug/set.h (set::erase(iterator)) (multiset::erase(const_iterator, const_iterator)): Likewise. 2018-10-18 Jonathan Wakely * testsuite/20_util/duration/cons/2.cc: Add -ffloat-store to fix failure when compiled without optimisation. * testsuite/ext/profile/mutex_extensions_neg.cc: Prune additional errors caused by C++17 std::pmr alias templates. PR libstdc++/87642 * config/locale/gnu/monetary_members.cc (moneypunct::_M_initialize_moneypunct): Use __narrow_multibyte_chars to convert multibyte thousands separators to a single char. * config/locale/gnu/numeric_members.cc (numpunct::_M_initialize_numpunct): Likewise. (__narrow_multibyte_chars): New function. PR libstdc++/87641 * include/bits/valarray_array.h (__valarray_sum): Use first element to initialize accumulator instead of value-initializing it. (__valarray_product<_Tp>): Move to ... * src/c++98/valarray.cc (__valarray_product<_Tp>): Here. Use first element to initialize accumulator. (__valarray_product(const valarray&)): Remove const_cast made unnecessary by LWG 389. * testsuite/26_numerics/valarray/87641.cc: New test. 2018-10-18 François Dumont Partial revert. 2018-10-08 François Dumont * include/debug/list (list<>::cbegin()): Use C++11 direct initialization. (list<>::cend()): Likewise. (list<>::erase(const_iterator, const_iterator)): Ensure consistent iterator comparisons. (list<>::splice(const_iterator, list&&, const_iterator, const_iterator)): Likewise. Partial revert. 2018-10-15 François Dumont * include/debug/vector (vector<>::cbegin()): Use C++11 direct initialization. (vector<>::cend()): Likewise. (vector<>::insert(const_iterator, const _Tp&)): Use consistent iterator comparison. (vector<>::erase(const_iterator)): Likewise. (vector<>::erase(const_iterator, const_iterator)): Likewise. 2018-10-17 Ville Voutilainen PR libstdc++/87619 * include/std/variant (__select_index): Fix an off-by-one. * testsuite/20_util/variant/87619.cc: New. 2018-10-16 Jonathan Wakely * include/bits/random.h (random_device) [!_GLIBCXX_USE_DEV_RANDOM]: Fix default constructor to call correct function. * testsuite/experimental/net/internet/address/v4/creation.cc: Do not declare ip in global namespace, to avoid collision with struct ip defined in . * include/experimental/bits/net.h: Move versioned namespace macros to correct location. * include/experimental/buffer: Likewise. * include/experimental/executor: Likewise. * include/experimental/internet: Likewise. * include/experimental/io_context: Likewise. * include/experimental/netfwd: Likewise. * include/experimental/socket: Likewise. * include/experimental/timer: Likewise. * config.h.in: Regenerate. * configure: Regenerate. * configure.ac: Check for headers used by Networking TS. * include/experimental/executor: Include instead of . * include/experimental/internet: Use autoconf macros for available headers. Include for. Remove and use __builtin_memcpy and __builtin_strchr. (resolver_errc) [!_GLIBCXX_HAVE_NETDB_H]: Do not define. (address_v4::to_string, address_v6::to_string) [!_GLIBCXX_HAVE_ARPA_INET_H]: Likewise. (basic_resolver_results) [!_GLIBCXX_HAVE_NETDB_H]: Make private constructors report errors. [!_GLIBCXX_HAVE_NETINET_TCP_H] (tcp::no_delay): Do not define. * include/experimental/io_context: Likewise. * include/experimental/socket: Likewise. [!_GLIBCXX_HAVE_SYS_SOCKET_H, !_GLIBCXX_HAVE_POLL_H] (socket_base): Do not define nested types when relevant header not available. (__socket_impl::native_non_blocking) [!_GLIBCXX_HAVE_FCNTL_H]: Report an error. (__basic_socket_impl::open, __basic_socket_impl::local_endpoint) (__basic_socket_impl::bind) [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise. (__basic_socket_impl::io_control) [!_GLIBCXX_HAVE_SYS_IOCTL_H]: Likewise. (basic_socket::at_mark, basic_socket::shutdown) (basic_socket::remote_endpoint, basic_socket::connect) (basic_socket::async_connect) [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise. (basic_socket::available) [_GLIBCXX_HAVE_SYS_IOCTL_H]: Check macro for availability. (basic_socket::wait) [!_GLIBCXX_HAVE_POLL_H]: Likewise. (basic_datagram_socket::receive, basic_datagram_socket::async_receive) (basic_datagram_socket::receive_from) (basic_datagram_socket::async_receive_from) (basic_datagram_socket::send, basic_datagram_socket::async_send) (basic_datagram_socket::send_to, basic_datagram_socket::async_send_to) [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise. (basic_stream_socket::receive, basic_stream_socket::async_receive) (basic_stream_socket::send, basic_stream_socket::async_send) [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise. (basic_socket_acceptor::listen, basic_socket_acceptor::accept) (basic_socket_acceptor::async_accept) [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise. (basic_socket_acceptor::wait) [!_GLIBCXX_HAVE_POLL_H]: Likewise. * testsuite/experimental/net/headers.cc: Remove dg-options. * testsuite/experimental/net/buffer/arithmetic.cc: Replace dg-options with dg-do using effective target. * testsuite/experimental/net/buffer/const.cc: Likewise. * testsuite/experimental/net/buffer/creation.cc: Likewise. * testsuite/experimental/net/buffer/mutable.cc: Likewise. * testsuite/experimental/net/buffer/size.cc: Likewise. * testsuite/experimental/net/buffer/traits.cc: Likewise. * testsuite/experimental/net/execution_context/use_service.cc: Likewise. * testsuite/experimental/net/internet/address/v4/comparisons.cc: Likewise. * testsuite/experimental/net/internet/address/v4/cons.cc: Likewise. * testsuite/experimental/net/internet/address/v4/creation.cc: Likewise. * testsuite/experimental/net/internet/address/v4/members.cc: Likewise. * testsuite/experimental/net/internet/resolver/base.cc: Likewise. * testsuite/experimental/net/internet/resolver/ops/lookup.cc: Likewise. * testsuite/experimental/net/internet/resolver/ops/reverse.cc: Likewise. * testsuite/experimental/net/timer/waitable/cons.cc: Likewise. * testsuite/experimental/net/timer/waitable/dest.cc: Likewise. * testsuite/experimental/net/timer/waitable/ops.cc: Likewise. * include/experimental/socket (basic_socket::at_mark): Add missing return. * acinclude.m4 (GLIBCXX_CHECK_RANDOM_TR1): Replace with ... (GLIBCXX_CHECK_DEV_RANDOM): New macro with more descriptive name. Define _GLIBCXX_USE_DEV_RANDOM as well as _GLIBCXX_USE_RANDOM_TR1. * config.h.in: Regenerate. * configure: Regenerate. * configure.ac: Use GLIBCXX_CHECK_DEV_RANDOM instead of GLIBCXX_CHECK_RANDOM_TR1. crossconfig.m4: Likewise. * include/bits/random.h (random_device): Use _GLIBCXX_USE_DEV_RANDOM instead of _GLIBCXX_USE_RANDOM_TR1. * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise. 2018-10-16 Rainer Orth * testsuite/lib/dg-options.exp (add_options_for_net_ts): New proc. * testsuite/experimental/net/internet/address/v4/comparisons.cc: Add dg-add-options net_ts. * testsuite/experimental/net/internet/address/v4/cons.cc: Likewise. * testsuite/experimental/net/internet/address/v4/creation.cc: Likewise. * testsuite/experimental/net/internet/address/v4/members.cc: Likewise. * testsuite/experimental/net/internet/resolver/base.cc: Likewise. * testsuite/experimental/net/internet/resolver/ops/lookup.cc: Likewise. * testsuite/experimental/net/internet/resolver/ops/reverse.cc: Likewise. 2018-10-16 Jonathan Wakely * testsuite/20_util/duration/literals/range_neg.cc: Adjust pruned diagnostic to account for quotes around 'constexpr'. * testsuite/23_containers/deque/capacity/max_size.cc: Define static variable. * testsuite/23_containers/vector/capacity/max_size.cc: Likewise. PR libstdc++/87618 * config/abi/pre/gnu.ver: Fix typos in patterns for basic_stringbuf. * testsuite/27_io/basic_stringbuf/cons/char/default.cc: Disable optimisation to check constructor definition can be linked to. * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: Likewise. 2018-10-15 Jonathan Wakely * testsuite/22_locale/numpunct/members/char/3.cc: Adjust test to account for change to glibc it_IT localedata (glibc bz#10797). PR libstdc++/87587 * src/c++11/cxx11-shim_facets.cc: Suppress -Wabi warnings. 2018-10-15 François Dumont * include/debug/vector (vector<>::cbegin()): Use C++11 direct initialization. (vector<>::cend()): Likewise. (vector<>::emplace(const_iterator, _Args&&...)): Likewise and use consistent iterator comparison. (vector<>::insert(const_iterator, size_type, const _Tp&)): Likewise. (vector<>::insert(const_iterator, _InputIterator, _InputIterator)): Likewise. (vector<>::erase(const_iterator)): Likewise. (vector<>::erase(const_iterator, const_iterator)): Likewise. 2018-10-12 Jonathan Wakely Initial commit of Networking TS implementation. * include/Makefile.am: Add new headers. * include/Makefile.in: Regenerate. * include/experimental/bits/net.h: New header for common implementation details of Networking TS. * include/experimental/buffer: New header. * include/experimental/executor: New header. * include/experimental/internet: New header. * include/experimental/io_context: New header. * include/experimental/net: New header. * include/experimental/netfwd: New header. * include/experimental/socket: New header. * include/experimental/timer: New header. * testsuite/experimental/net/buffer/arithmetic.cc: New test. * testsuite/experimental/net/buffer/const.cc: New test. * testsuite/experimental/net/buffer/creation.cc: New test. * testsuite/experimental/net/buffer/mutable.cc: New test. * testsuite/experimental/net/buffer/size.cc: New test. * testsuite/experimental/net/buffer/traits.cc: New test. * testsuite/experimental/net/execution_context/use_service.cc: New test. * testsuite/experimental/net/headers.cc: New test. * testsuite/experimental/net/internet/address/v4/comparisons.cc: New test. * testsuite/experimental/net/internet/address/v4/cons.cc: New test. * testsuite/experimental/net/internet/address/v4/creation.cc: New test. * testsuite/experimental/net/internet/address/v4/members.cc: New test. * testsuite/experimental/net/internet/resolver/base.cc: New test. * testsuite/experimental/net/internet/resolver/ops/lookup.cc: New test. * testsuite/experimental/net/internet/resolver/ops/reverse.cc: New test. * testsuite/experimental/net/timer/waitable/cons.cc: New test. * testsuite/experimental/net/timer/waitable/dest.cc: New test. * testsuite/experimental/net/timer/waitable/ops.cc: New test. PR libstdc++/77691 * include/experimental/memory_resource (__resource_adaptor_imp): Do not allocate sizes smaller than alignment when relying on guaranteed alignment. * testsuite/experimental/memory_resource/new_delete_resource.cc: Adjust expected number of bytes allocated for alignof(max_align_t). 2018-10-11 François Dumont * include/debug/forward_list (forward_list<>::before_begin()): Use C++11 direct initialization. (forward_list<>::begin()): Likewise. (forward_list<>::end()): Likewise. (forward_list<>::cbefore_begin()): Likewise. (forward_list<>::cbegin()): Likewise. (forward_list<>::cend()): Likewise. (forward_list<>::emplace_after<>(const_iterator, _Args&&...)): Likewise. (forward_list<>::insert_after(const_iterator, const _Tp&)): Likewise. (forward_list<>::insert_after(const_iterator, _Tp&&)): Likewise. (forward_list<>::insert_after(const_iterator, size_type, const _Tp&)): Likewise. (forward_list<>::insert_after(const_iterator, initializer_list<>)): Likewise. (forward_list<>::erase_after(const_iterator)): Likewise. (forward_list<>::erase_after(const_iterator, const_iterator)): Likewise and ensure consistent iterator comparison. * include/bits/forward_list.h (_Fwd_list_iterator<>::operator==): Replace member function with inline friend. (_Fwd_list_iterator<>::operator!=): Likewise. (_Fwd_list_const_iterator<>::operator==): Likewise. (_Fwd_list_const_iterator<>::operator!=): Likewise. (operator==(const _Fwd_list_iterator<>&, const _Fwd_list_const_iterator<>&)): Remove. (operator!=(const _Fwd_list_iterator<>&, const _Fwd_list_const_iterator<>&)): Remove. (forward_list<>::_Node): Take typedef from base type. (forward_list<>::iterator): Likewise. (forward_list<>::const_iterator): Likewise. 2018-10-11 Jonathan Wakely PR libstdc++/80538 * src/c++11/thread.cc (this_thread::__sleep_for) [_GLIBCXX_HAVE_SLEEP]: Only call sleep for non-zero values. Loop while sleep call is interrupted and until steady_clock shows requested duration has elapsed. (!_GLIBCXX_HAVE_USLEEP]: Use the _GLIBCXX_HAVE_SLEEP code path, but avoiding the usleep call. * testsuite/30_threads/this_thread/60421.cc: Test repeated signal interruptions. * include/bits/allocator.h (operator==(const allocator<_Tp>&, const allocator<_Tp>)) (operator!=(const allocator<_Tp>&, const allocator<_Tp>)): Replace with inline friends. * include/ext/debug_allocator.h (operator==, operator!=): Replace with inline friend functions that compare to rebound allocators. * include/ext/malloc_allocator.h (operator==, operator!=): Likewise. * include/ext/new_allocator.h (operator==, operator!=): Likewise. * testsuite/ext/debug_allocator/eq.cc: New test. * testsuite/ext/ext_pointer/alloc_eq.cc: New test. * testsuite/ext/malloc_allocator/eq.cc: New test. * testsuite/ext/new_allocator/eq.cc: New test. 2018-10-10 Jonathan Wakely PR libstdc++/87544 * include/bits/stl_vector.h (vector::_S_max_size): Limit size to PTRDIFF_MAX / sizeof(value_type). * include/ext/malloc_allocator.h (malloc_allocator::max_size): Likewise. * include/ext/new_allocator.h (new_allocator::max_size): Likewise. * testsuite/23_containers/vector/allocator/minimal.cc: Adjust expected value for max_size(). * testsuite/23_containers/vector/capacity/87544.cc: New test. 2018-10-09 François Dumont * include/bits/stl_list.h (_List_operator<>::operator==): Replace member function with inline friend. (_List_operator<>::operator!=): Likewise. (_List_const_operator<>::operator==): Likewise. (_List_const_operator<>::operator!=): Likewise. (operator==(const _List_iterator<>&, const _List_const_iterator<>&)): Remove. (operator!=(const _List_iterator<>&, const _List_const_iterator<>&)): Remove. 2018-10-09 Jonathan Wakely * include/bits/stringfwd.h (string, wstring, u16string, u32string): Define typedefs outside of __cxx11 inline namespace. * python/libstdcxx/v6/printers.py (register_type_printers): Also register printers for typedefs in new location. 2018-10-08 Jonathan Wakely PR libstdc++/87538 * testsuite/experimental/functional/87538.cc: New test. PR libstdc++/87538 * include/std/functional (_Not_fn::operator()): Check value of __is_nothrow_invocable as well. * testsuite/20_util/function_objects/not_fn/87538.cc: New test. 2018-10-08 François Dumont * include/debug/list (list<>::cbegin()): Use C++11 direct initialization. (list<>::cend()): Likewise. (list<>::emplace<>(const_iterator, _Args&&...)): Likewise. (list<>::insert(const_iterator, initializer_list<>)): Likewise. (list<>::insert(const_iterator, size_type, const _Tp&)): Likewise. (list<>::erase(const_iterator, const_iterator)): Ensure consistent iterator comparisons. (list<>::splice(const_iterator, list&&, const_iterator, const_iterator)): Likewise. 2018-10-05 François Dumont * include/bits/stl_tree.h (_Rb_tree_iterator<>::operator==): Make inline friend. (_Rb_tree_iterator<>::operator!=): Likewise. (_Rb_tree_const_iterator<>::operator==): Likewise. (_Rb_tree_const_iterator<>::operator!=): Likewise. (operator==(const _Rb_tree_iterator<>&, const _Rb_tree_const_iterator&)): Remove. (operator!=(const _Rb_tree_iterator<>&, const _Rb_tree_const_iterator&)): Remove. (operator==(const _Rb_tree<>&, const _Rb_tree<>&)): Make inline friend. (operator<(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise. (operator!=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise and deprecate. (operator>(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise. (operator<=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise. (operator>=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise. * include/debug/map.h (map<>::erase(const_iterator, const_iterator)): Compare __victim with _Base::cend(). * include/debug/multimap.h (multimap<>::erase(const_iterator, const_iterator)): Likewise. * include/debug/set.h (set<>::erase(const_iterator, const_iterator)): Compare __victim with _Base::cend(). * include/debug/multiset.h (multiset<>::erase(const_iterator, const_iterator)): Likewise. 2018-10-03 Jonathan Wakely PR libstdc++/59439 * src/c++98/locale.cc (locale::locale(const locale&)): Bypass reference count updates for the classic locale. (locale::~locale()): Likewise. (locale::operator=(const locale&)): Likewise. * src/c++98/locale_init.cc (locale::locale()): Likewise. (locale::global(const locale&)): Likewise. 2018-10-03 François Dumont * include/debug/map.h (map<>::emplace<>(_Args&&...)): Use C++11 direct initialization. (map<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise. (map<>::insert(value_type&&)): Likewise. (map<>::insert<>(_Pair&&)): Likewise. (map<>::insert<>(const_iterator, _Pair&&)): Likewise. (map<>::try_emplace): Likewise. (map<>::insert_or_assign): Likewise. (map<>::insert(node_type&&)): Likewise. (map<>::insert(const_iterator, node_type&&)): Likewise. (map<>::erase(const_iterator)): Likewise. (map<>::erase(const_iterator, const_iterator)): Likewise. * include/debug/multimap.h (multimap<>::emplace<>(_Args&&...)): Use C++11 direct initialization. (multimap<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise. (multimap<>::insert<>(_Pair&&)): Likewise. (multimap<>::insert<>(const_iterator, _Pair&&)): Likewise. (multimap<>::insert(node_type&&)): Likewise. (multimap<>::insert(const_iterator, node_type&&)): Likewise. (multimap<>::erase(const_iterator)): Likewise. (multimap<>::erase(const_iterator, const_iterator)): Likewise. * include/debug/set.h (set<>::emplace<>(_Args&&...)): Use C++11 direct initialization. (set<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise. (set<>::insert(value_type&&)): Likewise. (set<>::insert<>(const_iterator, value_type&&)): Likewise. (set<>::insert(const_iterator, node_type&&)): Likewise. (set<>::erase(const_iterator)): Likewise. (set<>::erase(const_iterator, const_iterator)): Likewise. * include/debug/multiset.h (multiset<>::emplace<>(_Args&&...)): Use C++11 direct initialization. (multiset<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise. (multiset<>::insert<>(value_type&&)): Likewise. (multiset<>::insert<>(const_iterator, value_type&&)): Likewise. (multiset<>::insert(node_type&&)): Likewise. (multiset<>::insert(const_iterator, node_type&&)): Likewise. (multiset<>::erase(const_iterator)): Likewise. (multiset<>::erase(const_iterator, const_iterator)): Likewise. 2018-10-02 Marc Glisse PR libstdc++/87258 * include/bits/stl_bvector.h (vector::begin(), vector::cbegin()): Rebuild _M_start with an explicit 0 offset. 2018-10-02 Jonathan Wakely * include/std/variant (__gen_vtable_impl::__visit_invoke): Call __get directly instead of get, as caller ensures correct index is used. (holds_alternative, get, get_if): Remove redundant inline specifiers. (_VARIANT_RELATION_FUNCTION_TEMPLATE): Likewise. 2018-10-02 Joseph Myers * testsuite/lib/libstdc++.exp (libstdc++_init): Use -fno-show-column in default cxxflags. 2018-10-01 Bernhard Reutner-Fischer * config/os/uclibc/os_defines.h (__NO_STRING_INLINES): Delete. 2018-10-01 Gerald Pfeifer * doc/xml/manual/allocator.xml: Adjust link to "Reconsidering Custom Memory Allocation". 2018-10-01 Jonathan Wakely * doc/html/*: Regenerate. 2018-09-30 Gerald Pfeifer * doc/xml/manual/messages.xml: Switch link to www.oracle.com to https. 2018-09-30 Gerald Pfeifer * doc/xml/manual/policy_data_structures_biblio.xml: Update link to Microsoft Component Model Object Technologies. 2018-09-29 Gerald Pfeifer * doc/xml/gnu/fdl-1.3.xml: The Free Software Foundation web site now uses https. Also omit the unnecessary trailing slash. * doc/xml/gnu/gpl-3.0.xml: Ditto. 2018-09-28 François Dumont * include/debug/functions.h (__foreign_iterator_aux3(const _Safe_iterator<>&, const _InputeIter&, const _InputIter&, __true_type)): Use empty() rather than begin() == end(). 2018-09-25 Mike Crowe * include/std/condition_variable (condition_variable::wait_for): Use steady clock in overload that uses a predicate. 2018-09-25 Jonathan Wakely PR libstdc++/87431 * include/std/variant (_Variant_storage::_M_valid): Avoid runtime test when all alternatives are scalars and so cannot throw during initialization. 2018-09-25 Gerald Pfeifer * doc/xml/manual/codecvt.xml: Move link to "UTF-8 and Unicode FAQ" to https. 2018-09-24 Gerald Pfeifer * doc/xml/manual/policy_data_structures_biblio.xml: Update link to "Priority Queues and the STL". 2018-09-23 Gerald Pfeifer * doc/xml/manual/using_exceptions.xml: Move boost.orgs link to https. 2018-09-21 François Dumont PR libstdc++/87135 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt): Use __builtin_floor to compute _M_next_resize. * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt. * testsuite/23_containers/unordered_set/hash_policy/prime_rehash.cc: Adapt. 2018-09-21 Jonathan Wakely * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Remove. * testsuite/26_numerics/headers/cmath/hypot.cc: Restore test for long double unconditionally, but use lower tolerance when sizeof(long double) == sizeof(double). 2018-09-20 Christophe Lyon * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Skip on arm*. 2018-09-19 Jonathan Wakely * include/bits/regex_automaton.tcc (_StateSeq<_TraitsT>::_M_clone()): Remove __glibcxx_assert statements and use map::find instead of map::operator[]. 2018-09-18 François Dumont PR libstdc++/87135 * src/c++11/hashtable_c++0x.cc: (_Prime_rehash_policy::_M_next_bkt): Return a prime no smaller than requested size, but not necessarily greater. (_Prime_rehash_policy::_M_need_rehash): Rehash only if target size is strictly greater than next resize threshold. * testsuite/23_containers/unordered_map/modifiers/reserve.cc: Adapt test to validate that there is no rehash as long as number of insertion is lower or equal to the reserved number of elements. 2018-09-18 Jonathan Wakely * include/bits/unique_ptr.h (__uniq_ptr_impl): Remove static assertion checking invocable condition. (unique_ptr::~unique_ptr, unique_ptr::reset): Restore static assertion here, where types must be complete. Pass pointer to deleter as an rvalue. * testsuite/20_util/unique_ptr/requirements/incomplete.cc: New test. 2018-09-13 Jonathan Wakely * include/std/variant (variant) [__clang__]: Limit workaround to Clang 7 and older. 2018-09-11 Jonathan Wakely PR libstdc++/87278 * include/bits/shared_ptr.h (make_shared): Use remove_cv instead of remove_const. * testsuite/20_util/shared_ptr/creation/87278.cc: New test. Implement LWG 2905 changes to constrain unique_ptr constructors * include/bits/unique_ptr.h (__uniq_ptr_impl): Add assertions to check deleter type. (unique_ptr::unique_ptr(pointer, const deleter_type&)): Add copy constructible constraint. (unique_ptr::unique_ptr(pointer, deleter_type&&)): Disable for deleters of reference type and add move constructible constraint. (unique_ptr::unique_ptr(pointer, remove_reference_t&&)): Disable for deleters of non-reference type. Define as deleted. (unique_ptr): Likewise. * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Replace dg-error directives with unstable line numbers with dg-prune-output. * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise. * testsuite/20_util/unique_ptr/cons/lwg2905.cc: New test. * testsuite/20_util/unique_ptr/specialized_algorithms/swap_cxx17.cc: Make deleter types invocable. 2018-09-05 Jonathan Wakely * libsupc++/cxxabi.h (__cxa_demangle): Clarify doxygen comment. 2018-09-03 Jonathan Wakely PR libstdc++/78179 * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: New test that runs the long double part of hypot.cc. * testsuite/26_numerics/headers/cmath/hypot.cc: Disable long double tests unless TEST_HYPOT_LONG_DOUBLE is defined. * include/bits/stl_vector.h (vector::_Temporary_value::_M_ptr): Return raw pointer not allocator's pointer type. (vector::_Temporary_value::_M_val): Use _M_ptr. PR libstdc++/87194 * include/bits/stl_map.h (map::map(initializer_list, const Compare&, const Alloc&)) (map::map(initializer_list, const Alloc&)) (map::map(InputIterator, InputIterator, const Alloc&)) (map::map(InputIterator, InputIterator)) (map::map(InputIterator, InputIterator, const Compare&, const Alloc&)) (map::insert(InputIterator, InputIterator)): Call _M_insert_range_unique instead of _M_insert_unique. * include/bits/stl_multimap.h (multimap::multimap(initializer_list, const C&, const A&)) (multimap::multimap(initializer_list, const A&)) (multimap::multimap(InputIterator, InputIterator, const A&)) (multimap::multimap(InputIterator, InputIterator)) (multimap::multimap(InputIterator, InputIterator, const C&, const A&)) (multimap::insert(InputIterator, InputIterator)): Call _M_insert_range_equal instead of _M_insert_equal. * include/bits/stl_multiset.h (multiset::multiset(InputIterator, InputIterator)) (multiset::multiset(InputIterator, InputIterator, const C&, const A&)) (multiset::multiset(initializer_list, const C&, const A&)) (multiset::multiset(initializer_list, const A&)) (multiset::multiset(InputIterator, InputIterator, const A&)) (multiset::insert(InputIterator, InputIterator)): Call _M_insert_range_equal instead of _M_insert_equal. * include/bits/stl_set.h (set::set(InputIterator, InputIterator)) (set::set(InputIterator, InputIterator, const Compare&, const Alloc&)) (set::set(initializer_list, const Compare&, const Alloc&)) (set::set(initializer_list, const Alloc&)) (set::set(InputIterator, InputIterator, const Alloc&)) (set::insert(InputIterator, InputIterator)): Call _M_insert_range_unique instead of _M_insert_unique. * include/bits/stl_tree.h [__cplusplus >= 201103L] (_Rb_tree::__same_value_type): New alias template for SFINAE constraints. [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_unique): Pair of constrained overloads that either insert or emplace, depending on iterator's value_type. [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_equal): Likewise. [__cplusplus < 201103L] (_Rb_tree::_M_insert_range_unique) (_Rb_tree::_M_insert_range_equal): New functions replacing range versions of _M_insert_unique and _M_insert_equal. (_Rb_tree::_M_insert_unique(_InputIterator, _InputIterator)) (_Rb_tree::_M_insert_equal(_InputIterator, _InputIterator)): Remove. * testsuite/23_containers/map/modifiers/insert/87194.cc: New test. * testsuite/23_containers/multimap/modifiers/insert/87194.cc: New test. * testsuite/23_containers/multiset/modifiers/insert/87194.cc: New test. * testsuite/23_containers/set/modifiers/insert/87194.cc: New test. PR libstdc++/78595 * include/bits/stl_map.h (map::insert(_Pair&&)) (map::insert(const_iterator, _Pair&&)): Do emplace instead of insert. * include/bits/stl_multimap.h (multimap::insert(_Pair&&)) (multimap::insert(const_iterator, _Pair&&)): Likewise. * include/bits/unordered_map.h (unordered_map::insert(_Pair&&)) (unordered_map::insert(const_iterator, _Pair&&)) (unordered_multimap::insert(_Pair&&)) (unordered_multimap::insert(const_iterator, _Pair&&)): Likewise. * testsuite/23_containers/map/modifiers/insert/78595.cc: New test. * testsuite/23_containers/multimap/modifiers/insert/78595.cc: New test. * testsuite/23_containers/unordered_map/modifiers/78595.cc: New test. * testsuite/23_containers/unordered_multimap/modifiers/78595.cc: New test. 2018-09-02 François Dumont * include/debug/safe_iterator.h (_Safe_iterator<_It, _Seq, _Cat>::_Self): New. (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>::_Self): New. (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag> ::_OtherSelf): New. (_GLIBCXX_DEBUG_VERIFY_OPERANDS, _GLIBCXX_DEBUG_VERIFY_EQ_OPERANDS) (_GLIBCXX_DEBUG_VERIFY_REL_OPERANDS) (_GLIBCXX_DEBUG_VERIFY_DIST_OPERANDS): Define macros. (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag> ::operator+(difference_type)): Use latters, inline as friend. (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag> ::operator-(difference_type)): Likewise. (operator==(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise. (operator!=(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise. (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise. (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise. (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise. (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise. (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise. (operator+(difference_type, const _Safe_iterator<>&)): Likewise. (operator-(const _Safe_iterator<>&, difference_type)): Likewise. * include/debug/safe_iterator.tcc (_Safe_iterator<>::_M_can_advance(difference_type)): Take parameter by copy. * include/debug/safe_local_iterator.h (_Safe_local_iterator<_It, _Seq>::_Self): New. (_Safe_local_iterator<_It, _Seq>::_OtherSelf): New. (_GLIBCXX_DEBUG_VERIFY_OPERANDS): Define macro. (operator==(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&)): Use latter, inline as friend. (operator!=(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&)): Likewise. * testsuite/util/testsuite_containers.h: Include utility. (struct forward_members_unordered<_Tp, bool>): Remove 2nd template parameter. (forward_members_unordered<>::forward_members_unordered(value_type&)): Add using namespace std::rel_ops. Add iterator_concept_checks on local_iterator and const_local_iterator. Add asserts on comparison between const_local_iterator and local_iterator. (struct forward_members_unordered<_Tp, false>): Remove partial specialization. * testsuite/23_containers/forward_list/types/1.cc: New. * testsuite/23_containers/list/types/1.cc: New. 2018-09-01 Gerald Pfeifer * doc/xml/manual/profile_mode.xml: Update three ieeexplore.ieee.org references. 2018-08-31 Sandra Loosemore * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/10.cc: Add dg-require-fileio. * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/11.cc: Likewise. * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/5.cc: Likewise. * testsuite/21_strings/basic_string_view/inserters/wchar_t/2.cc: Likewise. * testsuite/25_algorithms/copy/streambuf_iterators/wchar_t/4.cc: Likewise. * testsuite/25_algorithms/find/istreambuf_iterators/wchar_t/2.cc: Likewise. * testsuite/27_io/basic_filebuf/close/wchar_t/12790-1.cc: Likewise. * testsuite/27_io/basic_filebuf/close/wchar_t/12790-2.cc: Likewise. * testsuite/27_io/basic_filebuf/close/wchar_t/12790-3.cc: Likewise. * testsuite/27_io/basic_filebuf/close/wchar_t/12790-4.cc: Likewise. * testsuite/27_io/basic_filebuf/seekoff/wchar_t/11543.cc: Likewise. * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-1.cc: Likewise. * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-2.cc: Likewise. * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-3.cc: Likewise. * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-4.cc: Likewise. * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-1.cc: Likewise. * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-2.cc: Likewise. * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-4.cc: Likewise. * testsuite/27_io/basic_filebuf/underflow/wchar_t/2.cc: Likewise. * testsuite/27_io/basic_filebuf/underflow/wchar_t/3.cc: Likewise. * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: Likewise. * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: Likewise. * testsuite/27_io/basic_istream/extractors_character/wchar_t/4.cc: Likewise. * testsuite/27_io/basic_istream/extractors_other/wchar_t/2.cc: Likewise. * testsuite/27_io/basic_istream/get/wchar_t/2.cc: Likewise. * testsuite/27_io/basic_istream/getline/wchar_t/5.cc: Likewise. * testsuite/27_io/basic_istream/ignore/wchar_t/2.cc: Likewise. * testsuite/27_io/basic_istream/ignore/wchar_t/3.cc: Likewise. * testsuite/27_io/basic_istream/seekg/wchar_t/sstream.cc: Likewise. * testsuite/27_io/basic_istream/tellg/wchar_t/sstream.cc: Likewise. * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: Likewise. * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: Likewise. * testsuite/27_io/basic_ostream/inserters_other/wchar_t/1.cc: Likewise. * testsuite/27_io/objects/wchar_t/10.cc: Likewise. * testsuite/27_io/objects/wchar_t/12048-1.cc: Likewise. * testsuite/27_io/objects/wchar_t/12048-2.cc: Likewise. * testsuite/27_io/objects/wchar_t/12048-3.cc: Likewise. * testsuite/27_io/objects/wchar_t/12048-4.cc: Likewise. * testsuite/27_io/objects/wchar_t/12048-5.cc: Likewise. * testsuite/experimental/string_view/inserters/wchar_t/2.cc: Likewise. * testsuite/ext/stdio_sync_filebuf/wchar_t/1.cc: Likewise. 2018-08-30 Sandra Loosemore * testsuite/experimental/propagate_const/observers/1.cc: Make dependence on -fdelete-null-pointer-checks explicit. 2018-08-30 Jonathan Wakely * include/bits/hashtable_policy.h (__clp2): Fix calculation for LLP64 targets where sizeof(size_t) > sizeof(long). Avoid undefined shifts of the number of bits in the type. * include/std/bit (__ceil2): Avoid undefined shifts. * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Test values with the most signifiant bit set. * config/abi/pre/gnu.ver: Add missing exports for mingw. * include/ext/pointer.h (_Pointer_adapter): Define operators for pointer arithmetic using long long offsets. * testsuite/ext/ext_pointer/1.cc: Test pointer arithmetic using long long values. 2018-08-29 Jonathan Wakely PR libstdc++/31413 * testsuite/22_locale/time_get/get_date/wchar_t/4.cc: Check D_FMT string for alternative format. 2018-08-28 Jonathan Wakely PR libstdc++/87116 * src/filesystem/std-path.cc (path::lexically_normal): When handling a dot-dot filename, preserve an empty final component in the iteration sequence. [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use preferred-separator for root-directory. * testsuite/27_io/filesystem/path/generation/normal.cc: Add new tests for more than two adjacent dot-dot filenames. [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Replace slashes with preferred-separator in expected normalized strings. 2018-08-25 Iain Sandoe PR libstdc++/70694 * configure.host (OPT_LDFLAGS): Don't append -fvisibility-inlines-hidden for newer Darwin. 2018-08-24 Marc Glisse PR libstdc++/86822 * libsupc++/new (operator new(size_t, nothrow_t), operator new[](size_t, nothrow_t), operator new(size_t, align_val_t, nothrow_t), operator new[](size_t, align_val_t, nothrow_t)): Add malloc attribute. 2018-08-24 Jonathan Wakely * include/debug/deque (std::__debug::deque): Declare. * include/debug/forward_list (std::__debug::forward_list): Declare. * include/debug/list (std::__debug::list): Declare. * include/debug/map (std::__debug::map): Declare. * include/debug/set (std::__debug::set): Declare. * include/debug/unordered_map (std::__debug::unordered_map): Declare. * include/debug/unordered_set (std::__debug::unordered_set): Declare. * include/debug/vector (std::__debug::vector): Declare. * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: New test. * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: New test. * testsuite/23_containers/list/pmr_typedefs_debug.cc: New test. * testsuite/23_containers/map/pmr_typedefs_debug.cc: New test. * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: New test. * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: New test. * testsuite/23_containers/set/pmr_typedefs_debug.cc: New test. * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc: New test. * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc: New test. * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc: New test. * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc: New test. * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: Adjust dg-error lineno. * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: New test. 2018-08-23 Jonathan Wakely * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource): Only define when RTTI is enabled. * include/debug/vector (__niter_base): Define for C++98. * testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc: Fix C++98 test to not use C++11 features. * testsuite/25_algorithms/fill_n/2.cc: Likewise. * scripts/check_compile: Fix comments. * include/debug/string (insert(__const_iterator, _InIter, _InIter)): [!_GLIBCXX_USE_CXX11_ABI]: Replace use of C++11-only cbegin() with begin(), for C++98 compatibility. * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI] (basic_string::__const_iterator): Change access to protected. [!_GLIBCXX_USE_CXX11_ABI] (basic_string::__const_iterator): Define as typedef for iterator. * include/debug/string (__const_iterator): Use typedef from base. (insert(const_iterator, _CharT)) (replace(const_iterator, const_iterator, const basic_string&)) (replace(const_iterator, const_iterator, const _CharT*, size_type)) (replace(const_iterator, const_iterator, const CharT*)) (replace(const_iterator, const_iterator, size_type, _CharT)) (replace(const_iterator, const_iterator, _InputIter, _InputIter)) (replace(const_iterator, const_iterator, initializer_list<_CharT>)): Change const_iterator parameters to __const_iterator. (insert(iterator, size_type, _CharT)): Add C++98 overload. (insert(const_iterator, _InputIterator, _InputIterator)): Change const_iterator parameter to __const_iterator. [!_GLIBCXX_USE_CXX11_ABI]: Add workaround for incorrect return type of base's member function. (insert(const_iterator, size_type, _CharT)) [!_GLIBCXX_USE_CXX11_ABI]: Likewise. (insert(const_iterator, initializer_list<_CharT>)) [!_GLIBCXX_USE_CXX11_ABI]: Likewise. * testsuite/21_strings/basic_string/init-list.cc: Remove effective target directive. * testsuite/20_util/reference_wrapper/lwg2993.cc: Fix C++11 test to not use C++14 feature. * testsuite/23_containers/list/68222_neg.cc: Likewise. * testsuite/21_strings/basic_string/init-list.cc: Require cxx11-abi. * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc: Likewise. * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc: Likewise. * testsuite/23_containers/deque/capacity/max_size.cc: Fix test for C++98 mode. * testsuite/23_containers/deque/modifiers/assign/1.cc: Likewise. * testsuite/23_containers/list/modifiers/assign/1.cc: Likewise. * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: Likewise. * testsuite/23_containers/vector/capacity/max_size.cc: Likewise. * testsuite/23_containers/vector/modifiers/assign/1.cc: Likewise. 2018-08-22 Jonathan Wakely PR libstdc++/87061 * include/experimental/regex [!_GLIBCXX_USE_CXX11_ABI] (experimental::pmr::match_results, experimental::pmr::cmatch) (experimental::pmr::smatch, experimental::pmr::wcmatch) (experimental::pmr::wsmatch): Do not declare for gcc4-compatible ABI, because COW strings don't support C++11 allocator model. * include/experimental/string [!_GLIBCXX_USE_CXX11_ABI] (experimental::pmr::basic_string, experimental::pmr::string) (experimental::pmr::u16string, experimental::pmr::u32string) (experimental::pmr::wstring): Likewise. * include/std/regex [!_GLIBCXX_USE_CXX11_ABI] (pmr::match_results) (pmr::cmatch, pmr::smatch, pmr::wcmatch, pmr::wsmatch): Likewise. * include/std/string [!_GLIBCXX_USE_CXX11_ABI] (pmr::basic_string) (pmr::string, pmr::u16string, pmr::u32string, pmr::wstring): Likewise. * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Require cxx11-abi. * testsuite/28_regex/match_results/pmr_typedefs.cc: Likewise. PR libstdc++/78448 * include/bits/deque.tcc (deque::_M_range_initialize): Use _S_check_init_len to check size. (deque::_M_push_back_aux, deque::_M_push_front_aux): Throw length error if size would exceed max_size(). * include/bits/stl_deque.h (_Deque_base::size_type): Remove typedef. (_Deque_base(_Deque_base&&, const allocator_type&, size_t)): Use size_t instead of size_type. (deq(size_type, const allocator_type&) (deq(size_type, const value_type&, const allocator_type&) (deque::_M_initialize_dispatch): Use _S_check_init_len to check size. (deque::max_size): Call _S_max_size. (deque::_S_check_init_len, deque::_S_max_size): New functions. * include/bits/stl_vector.h (vector(size_type, const allocator_type&)) (vector(size_type, const value_type&, const allocator_type&)) (vector::_M_initialize_dispatch, vector::_M_range_initialize): Use _S_check_init_len to check size. (vector::max_size): Call _S_max_size. (vector::_M_check_len): Prevent max from being expanded as a function-like macro. (vector::_S_check_init_len, vector::_S_max_size): New functions. * include/bits/vector.tcc (vector::_M_assign_aux): Use _S_check_init_len to check size. * testsuite/23_containers/deque/capacity/max_size.cc: New test. * testsuite/23_containers/vector/capacity/max_size.cc: New test. 2018-08-22 François Dumont PR libstdc++/68222 * include/debug/safe_iterator.h (_Safe_iterator<_It, _Sq, _Cat>): Add category template parameter. (_Safe_iterator<>::_Const_iterator): Remove. (_Safe_iterator<>::_IsConstant): New. (_Safe_iterator<>::_OtherIterator): New. (_Safe_iterator<_It, _Sq, _Cat>::_Safe_iterator<_MutIte>( const _Safe_iterator<_MutIte, _Sq, _Cat>&)): Add _IsConstant::__value in __gnu_cxx::__enable_if condition. (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to): New. (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_from_begin): New. (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to_end): New. (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>): New. (_Safe_iterator<_It, _Sq, _Cat>::operator--()): Move... (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag> ::operator--()): ...here. (_Safe_iterator<_It, _Sq, _Cat>::operator--(int)): Move... (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag> ::operator--(int)): ...here. (_Safe_iterator<_It, _Sq, _Cat>::_M_decrementable()): Move... (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag> ::_M_decrementable()): ...here. (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>): New. (_Safe_iterator<_It, _Sq, _Cat>::operator[](const difference_type&)): Move... (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag> ::operator[](const difference_type&)): ...here. (_Safe_iterator<_It, _Sq, _Cat>::operator+=(const difference_type&)): Move... (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag> ::operator+=(const difference_type&)): ...here. (_Safe_iterator<_It, _Sq, _Cat>::operator+(const difference_type&)): Move... (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag> ::operator+(const difference_type&)): ...here. (_Safe_iterator<_It, _Sq, _Cat>::operator-=(const difference_type&)): Move... (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag> ::operator-=(const difference_type&)): ...here. (_Safe_iterator<_It, _Sq, _Cat>::operator-(const difference_type&)): Move... (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag> ::operator-(const difference_type&)): ...here. (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)): Constraint to random access iterators. (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise. (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise. (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise. (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise. (operator+(const difference_type&, const _Safe_iterator<>&)): Likewise. (__check_dereferenceable(const _Safe_iterator<>&)): Remove. (__get_distance): Remove. (__get_distance_from_begin): Remove. (__get_distance_to_end): Remove. (struct __is_safe_random_iterator<_Safe_iterator<>>): Remove partial specialization. (__base(const _Safe_iterator<>&, std::input_iterator_tag)): Remove. (__base(const _Safe_iterator<>&, std::random_access_iterator_tag)): Remove. (__base(const _Safe_iterator<>&)): Constraint to random access iterator. * include/debug/safe_iterator.tcc (_Safe_iterator<>::_M_get_distance_from_begin()): New. (_Safe_iterator<>::_M_get_distance_to_end()): New. (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator<>&)): New. (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag> ::_M_valid_range): New. * include/debug/safe_local_iterator.h (_Safe_local_iterator<>::_Const_local_iterator): Remove. (_Safe_local_iterator<>::_IsConstant): New. (_Safe_local_iterator<>::_OtherIterator): New. (_Safe_local_iterator<_It, _Cont>::_Safe_local_iterator<_MutIte, _Cont>( const _Safe_local_iterator<_MutIte, _Seq>&)): Add _IsConstant::__value in __gnu_cxx::__enable_if condition. If singular compare base iterator with _MutIte rather than _It. (_Safe_local_iterator<>::_S_constant): Make constexpr. (_Safe_local_iterator<>::_M_get_distance_to): New. (__check_dereferenceable(const _Safe_local_iterator<>&)): Remove. (__get_distance(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&, std::input_iterator_tag)): Remove. (__valid_range(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&)): New. * include/debug/safe_local_iterator.tcc (_Safe_local_iterator<>::_M_get_distance_to): New. * include/debug/deque (std::__debug::deque<>): Add ::__gnu_debug::_Safe_iterator<> friend declaration. * include/debug/forward_list (std::__debug::forward_list<>): Likewise. * include/debug/list (std::__debug::list<>): Likewise. * include/debug/map.h (std::__debug::map<>): Likewise. * include/debug/multimap.h (std::__debug::multimap<>): Likewise. * include/debug/set.h (std::__debug::set<>): Likewise. * include/debug/multiset.h (std::__debug::multiset<>): Likewise. * include/debug/string (std::__debug::basic_string<>): Likewise. * include/debug/unordered_map (std::__debug::unordered_map<>): Likewise and add ::__gnu_debug::_Safe_local_iterator<> friend declaration. (std::__debug::unordered_multimap<>): Likewise. * include/debug/unordered_set (std::__debug::unordered_set<>): Likewise. (std::__debug::unordered_multiset<>): Likewise. * include/debug/formatter.h: Adapt. * include/debug/helper_functions.h (__gnu_debug::_Safe_local_iterator<>): Add declaration. (__get_distance<_Ite>(_Ite, _Ite, std::random_access_iterator_tag): Pass parameter by copy. (__get_distance<_Ite>(_Ite, _Ite, std::input_iterator_tag): Likewise. (__get_distance<_Ite>(_Ite, _Ite): Likewise. (__valid_range_aux<_Integral>): Pass _Integral by copy. (__valid_range<_InputIterator>): Pass _InputIterator by copy. (__valid_range<>(const _Safe_iterator<>&, const _Safe_iterator<>&, typename _Distance_traits<>::__type&)): Declare. (__valid_range(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&, typename _Distance_traits<>::__type&)): Declare. (__valid_range<>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Declare. (__valid_range(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&)): Declare. (__can_advance): Adapt. (struct __is_safe_random_iterator<>): Remove. (struct _SIter_base<>): Remove. * include/debug/functions.h: Include . (__check_dereferenceable): Remove. (__foreign_iterator_aux4, __foreign_iterator_aux3): Adapt. (__foreign_iterator_aux2, __foreign_iterator_aux): Adapt. (__foreign_iterator): Adapt. * include/debug/stl_iterator.h (__is_safe_random_iterator>): Remove. (__base(const std::reverse_iterator<_Safe_iterator<_It, _Sq>)): Constraint for random access iterators. (__niter_base): Adapt. * testsuite/util/testsuite_containers.h: Include . (iterator_concept_checks<_It, _Mutable, _Category>): New. (citerator<_Cont>::forward_members::forward_members()): Instantiate latter for container iterator and const_iterator. * testsuite/23_containers/list/68222_neg.cc: New. * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: Adapt line number. * testsuite/23_containers/unordered_set/debug/debug_functions.cc: (test01): Remove. * testsuite/23_containers/vector/debug/debug_functions.cc (test01): Remove. 2018-08-22 Jonathan Wakely PR libstdc++/77854 * doc/xml/manual/status_cxx1998.xml: Document size_type and difference_type for containers. * doc/html/*: Regenerate. 2018-08-21 François Dumont P0646R1 Improving the Return Value of Erase-Like Algorithms I * include/debug/forward_list (forward_list::__remove_return_type): Define typedef as size_type or void, according to __cplusplus value. (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or empty, according to __cplusplus value. (_GLIBCXX20_ONLY): Define macro. (forward_list::remove, forward_list::unique): Use typedef and macro to change return type and add abi-tag for C++2a. Return number of removed elements for C++2a. (forward_list::remove_if, forward_list::unique): Use typedef to change return type for C++2a. Return number of removed elements for C++2a. * include/debug/list (list::__remove_return_type): Define typedef as size_type or void, according to __cplusplus value. (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or empty, according to __cplusplus value. (_GLIBCXX20_ONLY): Define macro. (list::remove, list::unique): Use typedef and macro to change return type and add abi-tag for C++2a. Return number of removed elements for C++2a. (list::remove_if, list::unique): Use typedef to change return type for C++2a. Return number of removed elements for C++2a. 2018-08-21 David Edelsohn * testsuite/18_support/new_nothrow.cc: XFAIL on AIX. 2018-08-21 Jonathan Wakely * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Remove redundant dg-do directive. * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise. * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise. * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise. * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise. 2018-08-20 Jonathan Wakely PR libstdc++/86963 * include/std/tuple (_Tuple_impl::operator=): Define as deleted. (_Tuple_impl::_M_assign): New functions to perform assignment instead of assignment operators. (_Tuple_impl::_M_swap): Remove exception specification. (_Tuple_impl<_Idx, _Head>): Likewise. (_TC::_NonNestedTuple, _TC::_NotSameTuple): Use __remove_cvref_t. (__tuple_base): Remove. (tuple, tuple<_T1, _T2>): Remove inheritance from __tuple_base. (tuple::operator=, tuple<_T1, _T2>::operator=): Call _M_assign. (tuple::swap, tuple<_T1, _T2>::swap): Define exception specification using __is_nothrow_swappable. (tuple<_T1, _T2>::tuple(_U1&&, _U2&&)): Use __remove_cvref_t. * include/std/optional (_Optional_payload): Use variable templates for conditions in default template arguments and exception specifications. (optional): Likewise. Adjust indentation. (optional::__not_self, optional::__not_tag, optional::_Requires): New SFINAE helpers. (optional::optional): Use new helpers in constructor constraints. * include/std/type_traits (__or_v, __and_v): New variable templates. * testsuite/20_util/optional/cons/value_neg.cc: Change dg-error to dg-prune-output. Remove unused header. 2018-08-18 François Dumont * testsuite/25_algorithms/copy/86658.cc: Use dg-options to define _GLIBCXX_DEBUG. 2018-08-17 Jonathan Wakely PR libstdc++/86963 * include/std/tuple (__tuple_base): New class template with deleted copy assignment operator. (tuple, tuple<_T1, _T2>): Derive from __tuple_base so that implicit copy/move assignment operator will be deleted/suppressed. (tuple::__assignable, tuple<_T1, _T2>::__assignable): New helper functions for SFINAE constraints on assignment operators. (tuple::__nothrow_assignable, tuple<_T1, _T2>::__nothrow_assignable): New helper functions for exception specifications. (tuple::operator=(const tuple&), tuple::operator=(tuple&&)) (tuple<_T1, _T2>::operator=(const tuple&)) (tuple<_T1, _T2>::operator=(tuple&&)): Change parameter types to __nonesuch_no_braces when the operator should be defined implicitly. Use __nothrow_assignable for exception specifications. (tuple::operator=(const tuple<_UElements...>&)) (tuple::operator=(tuple<_UElements...>&&)) (tuple<_T1, _T2>::operator=(const tuple<_U1, _U2>&)) (tuple<_T1, _T2>::operator=(tuple<_U1, _U2>&&)) (tuple<_T1, _T2>::operator=(const pair<_U1, _U2>&)) (tuple<_T1, _T2>::operator=(pair<_U1, _U2>&&)): Constrain using __assignable and use __nothrow_assignable for exception specifications. * python/libstdcxx/v6/printers.py (is_specialization_of): Accept gdb.Type as first argument, instead of a string. (StdTuplePrinter._iterator._is_nonempty_tuple): New method to check tuple for expected structure. (StdTuplePrinter._iterator.__init__): Use _is_nonempty_tuple. * testsuite/20_util/tuple/dr2729.cc: New test. * testsuite/20_util/tuple/element_access/get_neg.cc: Change dg-error to dg-prune-output. 2018-08-16 Jonathan Wakely * include/tr1/legendre_function.tcc (__sph_legendre): Avoid warning about signed/unsigned comparison. * include/std/ostream (basic_ostream::sentry::~sentry): Suppress deprecation warnings for using uncaught_exception(). PR libstdc++/86447 * src/c++11/cow-stdexcept.cc [_GLIBCXX_FULLY_DYNAMIC_STRING] (logic_error::logic_error(logic_error&&)) (logic_error::operator=(logic_error&&)) (runtime_error::runtime_error(runtime_error&&)) (runtime_error::operator=(runtime_error&&)): Copy strings instead of moving, to avoid allocating empty reps for moved-from strings. 2018-08-15 Jonathan Wakely * include/experimental/regex: Remove begin/end macros for namespace. * include/experimental/string: Likewise. * testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc: New test. * testsuite/experimental/polymorphic_allocator/ pmr_typedefs_forward_list.cc: New test. * testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc: New test. * testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc: New test. * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc: New test. * testsuite/experimental/polymorphic_allocator/ pmr_typedefs_multimap.cc: New test. * testsuite/experimental/polymorphic_allocator/ pmr_typedefs_multiset.cc: New test. * testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc: New test. * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc: New test. * testsuite/experimental/polymorphic_allocator/ pmr_typedefs_unordered_map.cc: New test. * testsuite/experimental/polymorphic_allocator/ pmr_typedefs_unordered_multimap.cc: New test. * testsuite/experimental/polymorphic_allocator/ pmr_typedefs_unordered_multiset.cc: New test. * testsuite/experimental/polymorphic_allocator/ pmr_typedefs_unordered_set.cc: New test. * testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc: New test. * include/bits/uses_allocator.h (__uses_allocator_construct): Qualify calls to __uses_allocator_construct_impl and __use_alloc. * include/experimental/memory_resource (polymorphic_allocator::_M_construct): Remove. (polymorphic_allocator::construct): Call __uses_allocator_construct. Qualify calls to __use_alloc. * include/std/memory_resource (polymorphic_allocator::construct): Fix type in SFINAE constraint. Use constexpr if instead of tag dispatching to _S_construct overloads. (polymorphic_allocator::construct(pair*, ...)): Fix order of arguments to _S_construct_p. (polymorphic_allocator::_S_construct): Remove. (polymorphic_allocator::_S_construct_p): Return allocators by value not by reference. * include/std/scoped_allocator (scoped_allocator_adaptor::construct): Qualify calls to __use_alloc. * testsuite/20_util/polymorphic_allocator/construct_pair.cc: New test, copied from testsuite/20_util/scoped_allocator/construct_pair.cc. * testsuite/experimental/polymorphic_allocator/1.cc: New test. * testsuite/experimental/polymorphic_allocator/construct_pair.cc: New test. * src/c++17/memory_resource.cc [!_GLIBCXX_HAS_GTHREADS] (atomic_mem_res): Add unsynchronized definition for single-threaded. 2018-08-14 Jonathan Wakely PR libstdc++/86954 * include/bits/stl_tempbuf.h (return_temporary_buffer): Use non-placement delete. * include/std/chrono (__check_overflow): Simplify definition. (_Checked_integral_constant): Remove. PR libstdc++/86846 * src/c++17/default_resource.h: New file, defining default_res. * src/c++17/memory_resource.cc [ATOMIC_POINTER_LOCK_FREE != 2] (atomic_mem_res): Define alternative for atomic using a mutex instead of atomics. PR libstdc++/85343 * config/abi/pre/gnu.ver: Export new symbol. * doc/xml/manual/abi.xml: Document new versions. * include/bits/fstream.tcc (basic_filebuf::underflow) (basic_filebuf::xsgetn): Pass errno to __throw_ios_failure. * include/bits/functexcept.h (__throw_ios_failure(const char*, int)): Declare new overload. * src/c++11/cxx11-ios_failure.cc (__ios_failure): Add new constructor and static member function. (__throw_ios_failure(const char*, int)): Define. * src/c++98/ios_failure.cc [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure(const char*, int)): Define. 2018-08-14 Jeremy Sawicki * include/ext/rope (_Rope_iterator_base(const _Rope_iterator_base&)) (_Rope_const_iterator::operator=(const _Rope_const_iterator&)) (_Rope_iterator::operator=(const _Rope_iterator&)): Ensure copied/assigned rope iterators don't retain pointers to the iterator they were copied/assigned from. * testsuite/ext/rope/7.cc: New. 2018-08-13 Jonathan Wakely PR libstdc++/45093 * include/bits/stl_tree.h (_Rb_tree::_M_destroy_node(_Link_type)): Combine definitions to avoid --detect-odr-violations warning. * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Use __is_pow2 to check for valid alignment. Avoid branching when rounding size to multiple of alignment. * include/Makefile.am: Install and for freestanding. * include/Makefile.in: Regenerate. * testsuite/17_intro/freestanding.cc: Check for and . Revert 2018-08-10 Sebastian Huber PR target/85904 * configure.ac: Define HAVE_ALIGNED_ALLOC if building for Newlib. * configure: Regenerate. 2018-08-10 Jonathan Wakely PR libstdc++/68210 * doc/xml/manual/intro.xml: Document LWG 206 change. * libsupc++/del_op.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept. * libsupc++/del_opa.cc: Likewise. * libsupc++/del_opant.cc: Likewise. * libsupc++/del_opnt.cc: Likewise. Call operator delete(ptr) instead of free(ptr). * libsupc++/del_ops.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept. * libsupc++/del_opsa.cc: Likewise. * libsupc++/del_opva.cc: Likewise. * libsupc++/del_opvant.cc: Likewise. * libsupc++/del_opvnt.cc: Likewise. Call operator delete[](ptr) instead of operator delete(ptr). * libsupc++/del_opvs.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept. * libsupc++/del_opvsa.cc: Likewise. * libsupc++/new_op.cc: Use __builtin_expect in check for zero size. * libsupc++/new_opa.cc: Use nullptr instead of literal 0. * libsupc++/new_opant.cc: Likewise. Replace _GLIBCXX_USE_NOEXCEPT with noexcept. * libsupc++/new_opnt.cc: Likewise. Call operator new(sz) instead of malloc(sz). * libsupc++/new_opvant.cc: Use nullptr and noexcept. * libsupc++/new_opvnt.cc: Likewise. Call operator new[](sz) instead of operator new(sz, nothrow). * testsuite/18_support/new_nothrow.cc: New test. 2018-08-10 Martin Liska * libsupc++/new_op.cc (new): Remove __builtin_expect as malloc predictor can handle that. * libsupc++/new_opa.cc: Likewise. * libsupc++/new_opnt.cc (new): Likewise. 2018-08-10 Sebastian Huber PR target/85904 * configure.ac: Define HAVE_ALIGNED_ALLOC if building for Newlib. * configure: Regenerate. 2018-08-10 Jonathan Wakely * include/std/deque (std::pmr::deque): Declare alias. * include/std/forward_list (std::pmr::forward_list): Likewise. * include/std/list (std::pmr::list): Likewise. * include/std/map (std::pmr::map, std::pmr::multimap): Likewise. * include/std/regex (std::pmr::match_results, std::pmr::cmatch) (std::pmr::smatch, std::pmr::wcmatch, std::pmr::wsmatch): Likewise. * include/std/set (std::pmr::set, std::pmr::multiset): Likewise. * include/std/string (std::pmr::basic_string, std::pmr::string) (std::pmr::u16string, std::pmr::u32string, std::pmr::wstring): Likewise. * include/std/unordered_map (std::pmr::unordered_map) (std::pmr::unordered_multimap): Likewise. * include/std/unordered_set (std::pmr::unordered_set) (std::pmr::unordered_multiset): Likewise. * include/std/vector (std::pmr::vector): Likewise. * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: New test. * testsuite/23_containers/deque/types/pmr_typedefs.cc: New test. * testsuite/23_containers/forward_list/pmr_typedefs.cc: New test. * testsuite/23_containers/list/pmr_typedefs.cc: New test. * testsuite/23_containers/map/pmr_typedefs.cc: New test. * testsuite/23_containers/multimap/pmr_typedefs.cc: New test. * testsuite/23_containers/multiset/pmr_typedefs.cc: New test. * testsuite/23_containers/set/pmr_typedefs.cc: New test. * testsuite/23_containers/unordered_map/pmr_typedefs.cc: New test. * testsuite/23_containers/unordered_multimap/pmr_typedefs.cc: New test. * testsuite/23_containers/unordered_multiset/pmr_typedefs.cc: New test. * testsuite/23_containers/unordered_set/pmr_typedefs.cc: New test. * testsuite/23_containers/vector/pmr_typedefs.cc: New test. * testsuite/28_regex/match_results/pmr_typedefs.cc: New test. 2018-08-08 François Dumont * include/bits/stl_algo.h (__rotate(_Ite, _Ite, _Ite, forward_iterator_tag)) (__rotate(_Ite, _Ite, _Ite, bidirectional_iterator_tag)) (__rotate(_Ite, _Ite, _Ite, random_access_iterator_tag)): Move code duplication... (rotate(_Ite, _Ite, _Ite)): ...here. (__stable_partition_adaptive(_FIt, _FIt, _Pred, _Dist, _Pointer, _Dist)): Simplify rotate call. (__rotate_adaptive(_BIt1, _BIt1, _BIt1, _Dist, _Dist, _Bit2, _Dist)): Likewise. (__merge_without_buffer(_BIt, _BIt, _BIt, _Dist, _Dist, _Comp)): Likewise. 2018-08-08 Jonathan Wakely * libsupc++/new_opa.cc (aligned_alloc): Declare inside namespace to avoid clashing with an ::aligned_alloc function that was not detected by configure. * doc/xml/manual/using.xml: Fix markup for empty table entry. * doc/html/*: Regenerate. * doc/xml/manual/using.xml: Add missing header to table and fix typo. * doc/html/*: Regenerate. PR libstdc++/86597 * include/bits/fs_dir.h (directory_entry::_M_file_type(error_code&)): Clear error_code when cached type is used. * testsuite/27_io/filesystem/directory_entry/86597.cc: New test. 2018-08-07 Jonathan Wakely PR libstdc++/86874 * include/std/variant (_Copy_ctor_base::_M_destructive_move): Define here instead of in _Move_assign_base. (_Copy_ctor_base::_M_destructive_move): Define. (_Copy_assign_base::operator=): Use _M_destructive_move when changing the contained value to another alternative. (_Move_assign_base::operator=): Likewise. (_Move_assign_base::_M_destructive_move): Remove. * testsuite/20_util/variant/86874.cc: New test. PR libstdc++/86861 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] (aligned_alloc): Replace macro with inline function. [__sun]: Increase alignment to meet memalign precondition. [!HAVE__ALIGNED_MALLOC && !HAVE_POSIX_MEMALIGN && !HAVE_MEMALIGN] (aligned_alloc): Move check for valid alignment to operator new. Remove redundant check for non-zero size, it's enforced by the caller. (operator new): Move check for valid alignment here. Use __builtin_expect on check for zero size. * config/abi/pre/gnu.ver: Export monotonic_buffer_resource members. * include/std/memory_resource (monotonic_buffer_resource::release): Call _M_release_buffers to free buffers. (monotonic_buffer_resource::do_allocate): Call _M_new_buffer to allocate a new buffer from upstream. (monotonic_buffer_resource::_M_new_buffer): Declare. (monotonic_buffer_resource::_M_release_buffers): Declare. (monotonic_buffer_resource::_Chunk): Replace definition with declaration as opaque type. * src/c++17/memory_resource.cc (monotonic_buffer_resource::_Chunk): Define. (monotonic_buffer_resource::_M_new_buffer): Define. (monotonic_buffer_resource::_M_release_buffers): Define. 2018-08-05 François Dumont * include/bits/stl_iterator.h: Fix comment. 2018-08-03 Jonathan Wakely * src/c++11/system_error.cc (system_error_category::default_error_condition): Add workaround for ENOTEMPTY and EEXIST having the same value on AIX. * testsuite/19_diagnostics/error_category/system_category.cc: Add extra testcases for EDOM, EILSEQ, ERANGE, EEXIST and ENOTEMPTY. 2018-08-01 Jonathan Wakely * configure: Regenerate. * configure.ac: Add -D_GLIBCXX_ASSERTIONS to default DEBUG_FLAGS. * src/c++11/futex.cc: Use __glibcxx_assert instead of _GLIBCXX_DEBUG_ASSERT. 2018-08-01 Mike Crowe * include/std/condition_variable (wait_for): Use steady_clock. 2018-08-01 Mike Crowe * include/std/condition_variable (wait_until): Only report timeout if we really have timed out when measured against the caller-supplied clock. * testsuite/30_threads/condition_variable/members/2.cc: Add test case to confirm above behaviour. 2018-08-01 Jonathan Wakely PR libstdc++/60555 * src/c++11/system_error.cc (system_error_category::default_error_condition): New override to check for POSIX errno values. * testsuite/19_diagnostics/error_category/generic_category.cc: New * testsuite/19_diagnostics/error_category/system_category.cc: New test. 2018-07-31 Jonathan Wakely PR libstdc++/86751 * include/bits/stl_pair.h (__pair_base): New class with deleted copy assignment operator. (pair): Derive from __pair_base. (pair::operator=): Remove deleted overload. * python/libstdcxx/v6/printers.py (StdPairPrinter): New pretty printer so that new base class isn't shown in GDB. * testsuite/20_util/pair/86751.cc: New test. * testsuite/20_util/pair/ref_assign.cc: New test. * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP) (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Move definitions here. (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Likewise. Use !__is_identifier instead of __has_builtin. * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP) (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Remove definitions from here. * include/std/version [!_GLIBCXX_HAS_GTHREADS] (__cpp_lib_shared_timed_mutex, __cpp_lib_scoped_lock) (__cpp_lib_shared_mutex): Don't define when Gthreads not in use. [!_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP] (__cpp_lib_has_unique_object_representations): Don't define when builtin not available. [!_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE] (__cpp_lib_is_aggregate): Likewise. [!_GLIBCXX_HAVE_BUILTIN_LAUNDER] (__cpp_lib_launder): Likewise. * libsupc++/new (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Remove definition from here. * doc/xml/manual/test.xml: Improve documentation on writing tests for newer standards. * doc/xml/manual/using.xml: Document all headers for C++11 and later. * doc/html/*: Regenerate. * include/ext/pointer.h [__cplusplus >= 201103L] (_Pointer_adapter::operator bool): Add explicit conversion operator to replace safe bool idiom. 2018-07-30 Jonathan Wakely PR libstdc++/86734 * include/bits/stl_iterator.h (reverse_iterator::operator->): Call _S_to_pointer (LWG 1052, LWG 2118). (reverse_iterator::_S_to_pointer): Define overloaded helper functions. * testsuite/24_iterators/reverse_iterator/dr1052.cc: New test. * testsuite/24_iterators/reverse_iterator/dr2188.cc: New test. * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Add workaround for aligned_alloc bug on AIX. * testsuite/18_support/new_aligned.cc: New test. 2018-07-26 Marek Polacek * testsuite/30_threads/condition_variable_any/cond.cc: New. 2018-07-26 Marek Polacek * src/c++98/locale_init.cc: Fix #ifdef condition. 2018-07-26 Jonathan Wakely * testsuite/18_support/aligned_alloc/aligned_alloc.cc: Add dg-require-cstdint directive. * testsuite/20_util/allocator/overaligned.cc: Likewise. * testsuite/20_util/any/cons/aligned.cc: Likewise. * testsuite/20_util/monotonic_buffer_resource/allocate.cc: Likewise. * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: Likewise. * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Likewise. * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise. * testsuite/23_containers/list/modifiers/insert/25288.cc: Likewise. * testsuite/23_containers/set/allocator/move_assign.cc: Likewise. * testsuite/25_algorithms/make_heap/complexity.cc: Likewise. * testsuite/25_algorithms/pop_heap/complexity.cc: Require cstdint and random_device effective-target. * testsuite/25_algorithms/push_heap/complexity.cc: Likewise. * testsuite/25_algorithms/sample/1.cc: Require cstdint. * testsuite/25_algorithms/sample/2.cc: Likewise. * testsuite/25_algorithms/sort_heap/complexity.cc: Require cstdint and random_device. * testsuite/26_numerics/headers/random/types_std_c++0x.cc: Require cstdint. * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: Likewise. * testsuite/26_numerics/random/discard_block_engine/requirements/ constexpr_data.cc: Likewise. * testsuite/26_numerics/random/discard_block_engine/requirements/ constexpr_functions.cc: Likewise. * testsuite/26_numerics/random/independent_bits_engine/requirements/ constexpr_functions.cc: Likewise. * testsuite/26_numerics/random/linear_congruential_engine/requirements/ constexpr_data.cc: Likewise. * testsuite/26_numerics/random/linear_congruential_engine/requirements/ constexpr_functions.cc: Likewise. * testsuite/26_numerics/random/mersenne_twister_engine/requirements/ constexpr_data.cc: Likewise. * testsuite/26_numerics/random/mersenne_twister_engine/requirements/ constexpr_functions.cc: Likewise. * testsuite/26_numerics/random/pr60037-neg.cc: Likewise. * testsuite/26_numerics/random/seed_seq/cons/65631.cc: Likewise. * testsuite/26_numerics/random/shuffle_order_engine/requirements/ constexpr_data.cc: Add dg-require-cstdint directive. * testsuite/26_numerics/random/shuffle_order_engine/requirements/ constexpr_functions.cc: Likewise. * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/ constexpr_data.cc: Likewise. * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/ constexpr_functions.cc: Likewise. * testsuite/26_numerics/random/uniform_real_distribution/operators/ 64351.cc: Likewise. * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc: Likewise. * testsuite/experimental/algorithm/sample-2.cc: Likewise. * testsuite/experimental/algorithm/sample.cc: Likewise. * testsuite/experimental/algorithm/search.cc: Likewise. * testsuite/experimental/algorithm/shuffle.cc: Likewise. * testsuite/experimental/any/cons/aligned.cc: Likewise. * testsuite/experimental/memory_resource/new_delete_resource.cc: Likewise. * testsuite/experimental/memory_resource/resource_adaptor.cc: Likewise. * testsuite/experimental/random/randint.cc: Likewise. * testsuite/experimental/source_location/1.cc: Likewise. * testsuite/ext/bitmap_allocator/overaligned.cc: Likewise. * testsuite/ext/malloc_allocator/overaligned.cc: Likewise. * testsuite/ext/mt_allocator/overaligned.cc: Likewise. * testsuite/ext/new_allocator/overaligned.cc: Likewise. * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise. * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise. * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise. * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise. * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise. * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise. * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise. * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise. * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise. * testsuite/ext/pool_allocator/overaligned.cc: Likewise. * testsuite/ext/throw_allocator/check_allocate_max_size.cc: Likewise. * testsuite/ext/throw_allocator/check_deallocate_null.cc: Likewise. * testsuite/ext/throw_allocator/check_delete.cc: Likewise. * testsuite/ext/throw_allocator/check_new.cc: Likewise. * testsuite/ext/throw_allocator/deallocate_global.cc: Likewise. * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise. * testsuite/ext/throw_allocator/explicit_instantiation.cc: Likewise. * testsuite/ext/throw_allocator/variadic_construct.cc: Likewise. * testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Likewise. * testsuite/30_threads/recursive_mutex/cons/1.cc: Likewise. * testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise. * testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise. * testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc: Likewise. * testsuite/30_threads/recursive_mutex/lock/1.cc: Likewise. * testsuite/30_threads/recursive_mutex/native_handle/1.cc: Likewise. * testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc: Likewise. * testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc: Likewise. * testsuite/30_threads/recursive_mutex/requirements/typedefs.cc: Likewise. * testsuite/30_threads/recursive_mutex/try_lock/1.cc: Likewise. * testsuite/30_threads/recursive_mutex/try_lock/2.cc: Likewise. * testsuite/30_threads/recursive_mutex/unlock/1.cc: Likewise. * testsuite/30_threads/recursive_mutex/unlock/2.cc: Likewise. * testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Likewise. * testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc: Likewise. * testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc: Likewise. * testsuite/30_threads/recursive_timed_mutex/dest/ destructor_locked.cc: Likewise. * testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise. * testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise. * testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc: Likewise. * testsuite/30_threads/recursive_timed_mutex/native_handle/ typesizes.cc: Likewise. * testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc: Likewise. * testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc: Likewise. * testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc: Likewise. * testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc: Likewise. * testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc: Likewise. * testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc: Likewise. * testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc: Likewise. * testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc: Likewise. * testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise. * testsuite/30_threads/recursive_timed_mutex/unlock/2.cc: Likewise. * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise. * testsuite/30_threads/scoped_lock/requirements/ explicit_instantiation.cc: Likewise. * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise. * testsuite/30_threads/shared_future/cons/assign.cc: Likewise. * testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise. * testsuite/30_threads/shared_future/cons/copy.cc: Likewise. * testsuite/30_threads/shared_future/cons/default.cc: Likewise. * testsuite/30_threads/shared_future/cons/move.cc: Likewise. * testsuite/30_threads/shared_future/cons/move_assign.cc: Likewise. * testsuite/30_threads/shared_future/members/45133.cc: Likewise. * testsuite/30_threads/shared_future/members/get.cc: Likewise. * testsuite/30_threads/shared_future/members/get2.cc: Likewise. * testsuite/30_threads/shared_future/members/valid.cc: Likewise. * testsuite/30_threads/shared_future/members/wait.cc: Likewise. * testsuite/30_threads/shared_future/members/wait_for.cc: Likewise. * testsuite/30_threads/shared_future/members/wait_until.cc: Likewise. * testsuite/30_threads/shared_future/requirements/ explicit_instantiation.cc: Likewise. * testsuite/30_threads/shared_lock/cons/1.cc: Likewise. * testsuite/30_threads/shared_lock/cons/2.cc: Likewise. * testsuite/30_threads/shared_lock/cons/3.cc: Likewise. * testsuite/30_threads/shared_lock/cons/4.cc: Likewise. * testsuite/30_threads/shared_lock/cons/5.cc: Likewise. * testsuite/30_threads/shared_lock/cons/6.cc: Likewise. * testsuite/30_threads/shared_lock/locking/1.cc: Likewise. * testsuite/30_threads/shared_lock/locking/2.cc: Likewise. * testsuite/30_threads/shared_lock/locking/3.cc: Likewise. * testsuite/30_threads/shared_lock/locking/4.cc: Likewise. * testsuite/30_threads/shared_lock/modifiers/1.cc: Likewise. * testsuite/30_threads/shared_lock/requirements/ explicit_instantiation.cc: Likewise. * testsuite/30_threads/shared_lock/requirements/typedefs.cc: Likewise. * testsuite/30_threads/shared_mutex/cons/1.cc: Likewise. * testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Likewise. * testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Likewise. * testsuite/30_threads/shared_mutex/requirements/standard_layout.cc: Likewise. * testsuite/30_threads/shared_mutex/try_lock/1.cc: Likewise. * testsuite/30_threads/shared_mutex/try_lock/2.cc: Likewise. * testsuite/30_threads/shared_mutex/unlock/1.cc: Likewise. * testsuite/30_threads/shared_timed_mutex/cons/1.cc: Likewise. * testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc: Likewise. * testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc: Likewise. * testsuite/30_threads/shared_timed_mutex/requirements/ standard_layout.cc: Likewise. * testsuite/30_threads/shared_timed_mutex/try_lock/1.cc: Likewise. * testsuite/30_threads/shared_timed_mutex/try_lock/2.cc: Likewise. * testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: Likewise. * testsuite/30_threads/shared_timed_mutex/unlock/1.cc: Likewise. * testsuite/30_threads/this_thread/1.cc: Likewise. * testsuite/30_threads/this_thread/2.cc: Likewise. * testsuite/30_threads/this_thread/3.cc: Likewise. * testsuite/30_threads/this_thread/4.cc: Likewise. * testsuite/30_threads/this_thread/58038.cc: Likewise. * testsuite/30_threads/thread/70503.cc: Likewise. * testsuite/30_threads/thread/84532.cc: Likewise. * testsuite/30_threads/thread/adl.cc: Likewise. * testsuite/30_threads/thread/cons/1.cc: Likewise. * testsuite/30_threads/thread/cons/2.cc: Likewise. * testsuite/30_threads/thread/cons/3.cc: Likewise. * testsuite/30_threads/thread/cons/4.cc: Likewise. * testsuite/30_threads/thread/cons/49668.cc: Likewise. * testsuite/30_threads/thread/cons/5.cc: Likewise. * testsuite/30_threads/thread/cons/6.cc: Likewise. * testsuite/30_threads/thread/cons/7.cc: Likewise. * testsuite/30_threads/thread/cons/8.cc: Likewise. * testsuite/30_threads/thread/cons/84535.cc: Likewise. * testsuite/30_threads/thread/cons/9.cc: Likewise. * testsuite/30_threads/thread/cons/assign_neg.cc: Likewise. * testsuite/30_threads/thread/cons/copy_neg.cc: Likewise. * testsuite/30_threads/thread/cons/lwg2097.cc: Likewise. * testsuite/30_threads/thread/cons/moveable.cc: Likewise. * testsuite/30_threads/thread/cons/terminate.cc: Likewise. * testsuite/30_threads/thread/id/operators.cc: Likewise. * testsuite/30_threads/thread/members/1.cc: Likewise. * testsuite/30_threads/thread/members/2.cc: Likewise. * testsuite/30_threads/thread/members/3.cc: Likewise. * testsuite/30_threads/thread/members/4.cc: Likewise. * testsuite/30_threads/thread/members/5.cc: Likewise. * testsuite/30_threads/thread/members/hardware_concurrency.cc: Likewise. * testsuite/30_threads/thread/native_handle/cancel.cc: Likewise. * testsuite/30_threads/thread/swap/1.cc: Likewise. * testsuite/30_threads/timed_mutex/cons/1.cc: Likewise. * testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise. * testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise. * testsuite/30_threads/timed_mutex/dest/destructor_locked.cc: Likewise. * testsuite/30_threads/timed_mutex/lock/1.cc: Likewise. * testsuite/30_threads/timed_mutex/native_handle/1.cc: Likewise. * testsuite/30_threads/timed_mutex/native_handle/typesizes.cc: Likewise. * testsuite/30_threads/timed_mutex/requirements/ standard_layout.cc: Likewise. * testsuite/30_threads/timed_mutex/requirements/typedefs.cc: Likewise. * testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise. * testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise. * testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise. * testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise. * testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise. * testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise. * testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise. * testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise. * testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise. * testsuite/30_threads/timed_mutex/unlock/2.cc: Likewise. * testsuite/30_threads/try_lock/1.cc: Likewise. * testsuite/30_threads/try_lock/2.cc: Likewise. * testsuite/30_threads/try_lock/3.cc: Likewise. * testsuite/30_threads/try_lock/4.cc: Likewise. * testsuite/30_threads/unique_lock/cons/1.cc: Likewise. * testsuite/30_threads/unique_lock/cons/2.cc: Likewise. * testsuite/30_threads/unique_lock/cons/3.cc: Likewise. * testsuite/30_threads/unique_lock/cons/4.cc: Likewise. * testsuite/30_threads/unique_lock/cons/5.cc: Likewise. * testsuite/30_threads/unique_lock/cons/6.cc: Likewise. * testsuite/30_threads/unique_lock/locking/1.cc: Likewise. * testsuite/30_threads/unique_lock/locking/2.cc: Likewise. * testsuite/30_threads/unique_lock/locking/3.cc: Likewise. * testsuite/30_threads/unique_lock/locking/4.cc: Likewise. * testsuite/30_threads/unique_lock/modifiers/1.cc: Likewise. * testsuite/30_threads/unique_lock/requirements/ explicit_instantiation.cc: Likewise. * testsuite/30_threads/unique_lock/requirements/typedefs.cc: Likewise. * testsuite/30_threads/async/42819.cc: Remove dg-require-cstdint directive. * testsuite/30_threads/async/49668.cc: Likewise. * testsuite/30_threads/async/54297.cc: Likewise. * testsuite/30_threads/async/84532.cc: Likewise. * testsuite/30_threads/async/any.cc: Likewise. * testsuite/30_threads/async/async.cc: Likewise. * testsuite/30_threads/async/except.cc: Likewise. * testsuite/30_threads/async/forced_unwind.cc: Likewise. * testsuite/30_threads/async/launch.cc: Likewise. * testsuite/30_threads/async/lwg2021.cc: Likewise. * testsuite/30_threads/async/sync.cc: Likewise. * testsuite/30_threads/call_once/39909.cc: Likewise. * testsuite/30_threads/call_once/49668.cc: Likewise. * testsuite/30_threads/call_once/60497.cc: Likewise. * testsuite/30_threads/call_once/call_once1.cc: Likewise. * testsuite/30_threads/call_once/constexpr.cc: Likewise. * testsuite/30_threads/call_once/dr2442.cc: Likewise. * testsuite/30_threads/call_once/once_flag.cc: Likewise. * testsuite/30_threads/condition_variable/54185.cc: Likewise. * testsuite/30_threads/condition_variable/cons/1.cc: Likewise. * testsuite/30_threads/condition_variable/cons/assign_neg.cc: Likewise. * testsuite/30_threads/condition_variable/cons/copy_neg.cc: Likewise. * testsuite/30_threads/condition_variable/members/1.cc: Likewise. * testsuite/30_threads/condition_variable/members/2.cc: Likewise. * testsuite/30_threads/condition_variable/members/3.cc: Likewise. * testsuite/30_threads/condition_variable/members/53841.cc: Likewise. * testsuite/30_threads/condition_variable/members/68519.cc: Likewise. * testsuite/30_threads/condition_variable/native_handle/typesizes.cc: Likewise. * testsuite/30_threads/condition_variable/requirements/ standard_layout.cc: Likewise. * testsuite/30_threads/condition_variable/requirements/typedefs.cc: * Likewise. * testsuite/30_threads/condition_variable_any/50862.cc: Likewise. * testsuite/30_threads/condition_variable_any/53830.cc: Likewise. * testsuite/30_threads/condition_variable_any/cons/1.cc: Likewise. * testsuite/30_threads/condition_variable_any/cons/assign_neg.cc: Likewise. * testsuite/30_threads/condition_variable_any/cons/copy_neg.cc: Likewise. * testsuite/30_threads/condition_variable_any/members/1.cc: Likewise. * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise. * testsuite/30_threads/future/cons/assign_neg.cc: Likewise. * testsuite/30_threads/future/cons/constexpr.cc: Likewise. * testsuite/30_threads/future/cons/copy_neg.cc: Likewise. * testsuite/30_threads/future/cons/default.cc: Likewise. * testsuite/30_threads/future/cons/move.cc: Likewise. * testsuite/30_threads/future/cons/move_assign.cc: Likewise. * testsuite/30_threads/future/members/45133.cc: Likewise. * testsuite/30_threads/future/members/get.cc: Likewise. * testsuite/30_threads/future/members/get2.cc: Likewise. * testsuite/30_threads/future/members/share.cc: Likewise. * testsuite/30_threads/future/members/valid.cc: Likewise. * testsuite/30_threads/future/members/wait.cc: Likewise. * testsuite/30_threads/future/members/wait_for.cc: Likewise. * testsuite/30_threads/future/members/wait_until.cc: Likewise. * testsuite/30_threads/future/requirements/explicit_instantiation.cc: Likewise. * testsuite/30_threads/headers/condition_variable/types_std_c++0x.cc: Likewise. * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise. * testsuite/30_threads/headers/mutex/types_std_c++0x.cc: Likewise. * testsuite/30_threads/headers/thread/std_c++0x_neg.cc: Likewise. * testsuite/30_threads/headers/thread/types_std_c++0x.cc: Likewise. * testsuite/30_threads/lock/1.cc: Likewise. * testsuite/30_threads/lock/2.cc: Likewise. * testsuite/30_threads/lock/3.cc: Likewise. * testsuite/30_threads/lock/4.cc: Likewise. * testsuite/30_threads/lock_guard/cons/1.cc: Likewise. * testsuite/30_threads/lock_guard/requirements/ explicit_instantiation.cc: Likewise. * testsuite/30_threads/lock_guard/requirements/typedefs.cc: Likewise. * testsuite/30_threads/mutex/cons/1.cc: Likewise. * testsuite/30_threads/mutex/cons/assign_neg.cc: Likewise. * testsuite/30_threads/mutex/cons/constexpr.cc: Likewise. * testsuite/30_threads/mutex/cons/copy_neg.cc: Likewise. * testsuite/30_threads/mutex/dest/destructor_locked.cc: Likewise. * testsuite/30_threads/mutex/lock/1.cc: Likewise. * testsuite/30_threads/mutex/native_handle/1.cc: Likewise. * testsuite/30_threads/mutex/native_handle/typesizes.cc: Likewise. * testsuite/30_threads/mutex/requirements/standard_layout.cc:: Likewise. * testsuite/30_threads/mutex/requirements/typedefs.cc: Likewise. * testsuite/30_threads/mutex/try_lock/1.cc: Likewise. * testsuite/30_threads/mutex/try_lock/2.cc: Likewise. * testsuite/30_threads/mutex/unlock/1.cc: Likewise. * testsuite/30_threads/mutex/unlock/2.cc: Likewise. * testsuite/30_threads/once_flag/cons/constexpr.cc: Likewise. * testsuite/30_threads/packaged_task/49668.cc: Likewise. * testsuite/30_threads/packaged_task/60564.cc: Likewise. * testsuite/30_threads/packaged_task/cons/1.cc: Likewise. * testsuite/30_threads/packaged_task/cons/2.cc: Likewise. * testsuite/30_threads/packaged_task/cons/3.cc: Likewise. * testsuite/30_threads/packaged_task/cons/56492.cc: Likewise. * testsuite/30_threads/packaged_task/cons/alloc.cc: Likewise. * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise. * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise. * testsuite/30_threads/packaged_task/cons/assign_neg.cc: Likewise. * testsuite/30_threads/packaged_task/cons/copy_neg.cc: Likewise. * testsuite/30_threads/packaged_task/cons/move.cc: Likewise. * testsuite/30_threads/packaged_task/cons/move_assign.cc: Likewise. * testsuite/30_threads/packaged_task/members/at_thread_exit.cc: Likewise. * testsuite/30_threads/packaged_task/members/get_future.cc: Likewise. * testsuite/30_threads/packaged_task/members/get_future2.cc: Likewise. * testsuite/30_threads/packaged_task/members/invoke.cc: Likewise. * testsuite/30_threads/packaged_task/members/invoke2.cc: Likewise. * testsuite/30_threads/packaged_task/members/invoke3.cc: Likewise. * testsuite/30_threads/packaged_task/members/invoke4.cc: Likewise. * testsuite/30_threads/packaged_task/members/invoke5.cc: Likewise. * testsuite/30_threads/packaged_task/members/reset.cc: Likewise. * testsuite/30_threads/packaged_task/members/reset2.cc: Likewise. * testsuite/30_threads/packaged_task/members/swap.cc: Likewise. * testsuite/30_threads/packaged_task/members/valid.cc: Likewise. * testsuite/30_threads/packaged_task/requirements/ explicit_instantiation.cc: Likewise. * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise. * testsuite/30_threads/promise/60966.cc: Likewise. * testsuite/30_threads/promise/69106.cc: Likewise. * testsuite/30_threads/promise/cons/1.cc: Likewise. * testsuite/30_threads/promise/cons/alloc.cc: Likewise. * testsuite/30_threads/promise/cons/alloc2.cc: Likewise. * testsuite/30_threads/promise/cons/alloc_min.cc: Likewise. * testsuite/30_threads/promise/cons/assign_neg.cc: Likewise. * testsuite/30_threads/promise/cons/copy_neg.cc: Likewise. * testsuite/30_threads/promise/cons/move.cc: Likewise. * testsuite/30_threads/promise/cons/move_assign.cc: Likewise. * testsuite/30_threads/promise/members/at_thread_exit.cc: Likewise. * testsuite/30_threads/promise/members/at_thread_exit2.cc: Likewise. * testsuite/30_threads/promise/members/get_future.cc: Likewise. * testsuite/30_threads/promise/members/get_future2.cc: Likewise. * testsuite/30_threads/promise/members/set_exception.cc: Likewise. * testsuite/30_threads/promise/members/set_exception2.cc: Likewise. * testsuite/30_threads/promise/members/set_value.cc: Likewise. * testsuite/30_threads/promise/members/set_value2.cc: Likewise. * testsuite/30_threads/promise/members/set_value3.cc: Likewise. * testsuite/30_threads/promise/members/swap.cc: Likewise. * testsuite/30_threads/promise/requirements/explicit_instantiation.cc: * Likewise. * testsuite/30_threads/promise/uses_allocator.cc: Likewise. * testsuite/18_support/numeric_limits/char16_32_t.cc: Qualify names from namespace std. * testsuite/20_util/align/2.cc: Remove dg-require-cstdint directive. * testsuite/20_util/duration/arithmetic/1.cc: Likewise. * testsuite/20_util/duration/arithmetic/2.cc: Likewise. * testsuite/20_util/duration/arithmetic/dr2020.cc: Likewise. * testsuite/20_util/duration/arithmetic/dr934-1.cc: Likewise. * testsuite/20_util/duration/arithmetic/dr934-2.cc: Likewise. * testsuite/20_util/duration/comparison_operators/1.cc: Likewise. * testsuite/20_util/duration/cons/1.cc: Likewise. * testsuite/20_util/duration/cons/1_neg.cc: Likewise. * testsuite/20_util/duration/cons/2.cc: Likewise. * testsuite/20_util/duration/cons/54025.cc: Likewise. * testsuite/20_util/duration/cons/dr974_neg.cc: Likewise. * testsuite/20_util/duration/requirements/explicit_instantiation/ explicit_instantiation.cc: Likewise. * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise. * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise. * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise. * testsuite/20_util/make_signed/requirements/typedefs-4.cc: Likewise. * testsuite/20_util/ratio/comparisons/comp1.cc: Likewise. * testsuite/20_util/ratio/comparisons/comp2.cc: Likewise. * testsuite/20_util/ratio/comparisons/comp3.cc: Likewise. * testsuite/20_util/ratio/cons/cons1.cc: Likewise. * testsuite/20_util/ratio/operations/45866.cc: Likewise. * testsuite/20_util/ratio/operations/47913.cc: Likewise. * testsuite/20_util/ratio/operations/53840.cc: Likewise. * testsuite/20_util/ratio/operations/ops1.cc: Likewise. * testsuite/20_util/shared_ptr/atomic/3.cc: Likewise. * testsuite/20_util/system_clock/1.cc: Likewise. * testsuite/20_util/time_point/1.cc: Likewise. * testsuite/20_util/time_point/2.cc: Likewise. * testsuite/20_util/time_point/3.cc: Likewise. * testsuite/20_util/time_point/requirements/explicit_instantiation/ explicit_instantiation.cc: Likewise. * testsuite/21_strings/basic_string/requirements/ explicit_instantiation/char16_t/1.cc: Likewise. * testsuite/21_strings/basic_string/requirements/ explicit_instantiation/char32_t/1.cc: Likewise. * testsuite/21_strings/basic_string_view/requirements/ explicit_instantiation/char16_t/1.cc: Likewise. * testsuite/21_strings/basic_string_view/requirements/ explicit_instantiation/char32_t/1.cc: Likewise. * testsuite/21_strings/char_traits/requirements/ explicit_instantiation/char16_t/1.cc: Likewise. * testsuite/21_strings/char_traits/requirements/ explicit_instantiation/char32_t/1.cc: Likewise. * testsuite/21_strings/headers/string/types_std_c++0x.cc: Likewise. * testsuite/22_locale/codecvt/char16_t.cc: Likewise. * testsuite/22_locale/codecvt/char32_t.cc: Likewise. * testsuite/22_locale/codecvt/codecvt_utf16/requirements/1.cc: Likewise. * testsuite/22_locale/codecvt/codecvt_utf8/requirements/1.cc: Likewise. * testsuite/22_locale/codecvt/codecvt_utf8_utf16/requirements/1.cc: Likewise. * testsuite/22_locale/codecvt/utf8.cc: Likewise. * testsuite/23_containers/vector/bool/72847.cc: Likewise. * testsuite/23_containers/vector/debug/multithreaded_swap.cc: Likewise. * testsuite/experimental/string_view/requirements/ explicit_instantiation/char16_t/1.cc: Likewise. * testsuite/experimental/string_view/requirements/ explicit_instantiation/char32_t/1.cc: Likewise. * testsuite/ext/vstring/requirements/explicit_instantiation/char16_t/ 1.cc: Likewise. * testsuite/ext/vstring/requirements/explicit_instantiation/char32_t/ 1.cc: Likewise. * include/ext/throw_allocator.h [!_GLIBCXX_USE_C99_STDINT_TR1] (random_condition, throw_value_random, throw_allocator_random) (std::hash): Do not define when is not usable. * src/c++11/cow-stdexcept.cc [!_GLIBCXX_USE_C99_STDINT_TR1]: Do not define transactional memory support when is not usable. * include/bits/hashtable_policy.h (__detail::__clp2): Use faster implementation that doesn't depend on types. * include/std/memory (align) [!_GLIBCXX_USE_C99_STDINT_TR1]: Use std::size_t when std::uintptr_t is not usable. [!_GLIBCXX_USE_C99_STDINT_TR1] (pointer_safety, declare_reachable) (undeclare_reachable, declare_no_pointers, undeclare_no_pointers): Define independent of _GLIBCXX_USE_C99_STDINT_TR1. * include/bits/basic_string.h [!_GLIBCXX_USE_C99_STDINT_TR1] (hash, hash): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1. * include/bits/char_traits.h [!_GLIBCXX_USE_C99_STDINT_TR1] (char_traits, char_traits): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1. Use __UINT_LEAST16_TYPE__ and __UINT_LEAST32_TYPE__ or make_unsigned when is not usable. * include/bits/codecvt.h [!_GLIBCXX_USE_C99_STDINT_TR1] (codecvt) (codecvt) (codecvt_byname) (codecvt_byname): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1. * include/bits/locale_facets.h [!_GLIBCXX_USE_C99_STDINT_TR1] (_GLIBCXX_NUM_UNICODE_FACETS): Likewise. * include/bits/stringfwd.h [!_GLIBCXX_USE_C99_STDINT_TR1] (char_traits, char_traits) (basic_string, basic_string): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1. * include/experimental/string_view [!_GLIBCXX_USE_C99_STDINT_TR1] (u16string_view, u32string_view, hash) (hash, operator""sv(const char16_t, size_t)) (operator""sv(const char32_t, size_t)): Likewise. * include/ext/vstring.h [!_GLIBCXX_USE_C99_STDINT_TR1] (hash<__u16vstring>, hash<__u32vstring>): Likewise. * include/ext/vstring_fwd.h [!_GLIBCXX_USE_C99_STDINT_TR1] (__u16vstring, __u16sso_string, __u16rc_string, __u32vstring) (__u32sso_string, __u32rc_string): Likewise. * include/std/codecvt [!_GLIBCXX_USE_C99_STDINT_TR1] (codecvt_mode) (codecvt_utf8, codecvt_utf16, codecvt_utf8_utf16): Likewise. * include/std/string_view [!_GLIBCXX_USE_C99_STDINT_TR1] (u16string_view, u32string_view, hash) (hash, operator""sv(const char16_t, size_t)) (operator""sv(const char32_t, size_t)): Likewise. * src/c++11/codecvt.cc: Likewise. * src/c++98/locale_init.cc: Likewise. * src/c++98/localename.cc: Likewise. * include/bits/atomic_futex.h [!_GLIBCXX_USE_C99_STDINT_TR1] (__atomic_futex_unsigned_base): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1 macro. * include/bits/unique_lock.h [!_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1. * include/c_global/cstdint [!_GLIBCXX_USE_C99_STDINT_TR1] (intmax_t) (uintmax_t): Define using predefined macros. * include/std/chrono [!_GLIBCXX_USE_C99_STDINT_TR1] (duration) (time_point, system_clock, high_resolution_clock, steady_clock): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1 macro. (nanoseconds, microseconds, milliseconds, seconds, minutes, hours): [!_GLIBCXX_USE_C99_STDINT_TR1]: Define using __INT64_TYPE__ or long long when is not usable. * include/std/condition_variable [!_GLIBCXX_USE_C99_STDINT_TR1] (condition_variable, condition_variable_any): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1. * include/std/future [!_GLIBCXX_USE_C99_STDINT_TR1] (future, promise) (packaged_task, async): Likewise. * include/std/mutex [!_GLIBCXX_USE_C99_STDINT_TR1] (recursive_mutex) (timed_mutex, recursive_timed_mutex, try_lock, lock, scoped_lock) (once_flag, call_once): Likewise. * include/std/ratio [!_GLIBCXX_USE_C99_STDINT_TR1] (ratio): Likewise. * include/std/shared_mutex [!_GLIBCXX_USE_C99_STDINT_TR1] (shared_mutex, shared_timed_mutex, shared_lock): Likewise. * include/std/thread [!_GLIBCXX_USE_C99_STDINT_TR1] (thread) (this_thread::get_id, this_thread::yield, this_thread::sleep_for) (this_thread::sleep_until): Likewise. * src/c++11/chrono.cc: Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1 macro. * src/c++11/condition_variable.cc: Likewise. * src/c++11/futex.cc: Likewise. * src/c++11/future.cc: Likewise. * src/c++11/mutex.cc: Likewise. * src/c++11/thread.cc: Likewise. * testsuite/20_util/duration/literals/range_neg.cc: Adjust dg-error. * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise. * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise. * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise. * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Likewise. * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise. 2018-07-26 Rainer Orth PR libstdc++/77691 * testsuite/experimental/memory_resource/new_delete_resource.cc: xfail execution on 32-bit Solaris/x86. 2018-07-26 Marc Glisse * include/bits/stl_vector.h (_Vector_impl_data::_M_copy_data): New. (_Vector_impl_data::_M_swap_data): Use _M_copy_data. (vector::_M_move_assign): Reorder the swaps. 2018-07-26 Jonathan Wakely PR libstdc++/86676 * testsuite/20_util/monotonic_buffer_resource/release.cc: Request same alignment for post-release allocation. 2018-07-25 Jonathan Wakely PR libstdc++/86676 * testsuite/20_util/monotonic_buffer_resource/release.cc: Allow for buffer being misaligned and so returned pointer not being at start. * include/experimental/memory_resource: Include header. * acinclude.m4 (glibcxx_SUBDIRS): Add src/c++17. * src/Makefile.am: Add comment. * src/c++17/Makefile.in: Regenerate. * include/Makefile.am: Add new header. * include/Makefile.in: Regenerate. * include/bits/std_mutex.h [!_GLIBCXX_USE_C99_STDINT_TR1] (mutex) (lock_guard): Define independent of _GLIBCXX_USE_C99_STDINT_TR1. (unique_lock): Move definition to ... * include/bits/unique_lock.h: New header. [!_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock): Define unconditionally. [_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock(mutex_type&, time_point)) (unique_lock(mutex_type&, duration), unique_lock::try_lock_until) (unique_lock::try_lock_for): Define only when is usable. * include/std/condition_variable: Include . * include/std/mutex: Likewise. 2018-07-24 Jonathan Wakely * config/abi/pre/gnu.ver: Export new symbols. * configure: Regenerate. * include/Makefile.am: Add new header. * include/Makefile.in: Regenerate. * include/precompiled/stdc++.h: Include for C++17. * include/std/memory_resource: New header. (memory_resource, polymorphic_allocator, new_delete_resource) (null_memory_resource, set_default_resource, get_default_resource) (pool_options, monotonic_buffer_resource): Define. * src/Makefile.am: Add c++17 directory. * src/Makefile.in: Regenerate. * src/c++11/Makefile.am: Fix comment. * src/c++17/Makefile.am: Add makefile for new sub-directory. * src/c++17/Makefile.in: Generate. * src/c++17/memory_resource.cc: New. (newdel_res_t, null_res_t, constant_init, newdel_res, null_res) (default_res, new_delete_resource, null_memory_resource) (set_default_resource, get_default_resource): Define. * testsuite/20_util/memory_resource/1.cc: New test. * testsuite/20_util/memory_resource/2.cc: New test. * testsuite/20_util/monotonic_buffer_resource/1.cc: New test. * testsuite/20_util/monotonic_buffer_resource/allocate.cc: New test. * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: New test. * testsuite/20_util/monotonic_buffer_resource/release.cc: New test. * testsuite/20_util/monotonic_buffer_resource/upstream_resource.cc: New test. * testsuite/20_util/polymorphic_allocator/1.cc: New test. * testsuite/20_util/polymorphic_allocator/resource.cc: New test. * testsuite/20_util/polymorphic_allocator/select.cc: New test. * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource): Define concrete memory resource for testing. (__gnu_test::default_resource_mgr): Define RAII helper for changing default resource. PR libstdc++/86658 * include/bits/stl_algobase.h (__niter_wrap<_Iterator>): Pass unused parameter by reference, to avoid copying invalid iterators. * testsuite/25_algorithms/copy/86658.cc: New test. * include/std/bit (__countl_zero, __countr_zero, __popcount): Use local variables for number of digits instead of type aliases. (__log2p1): Remove redundant branch also checked in __countl_zero. * include/bits/uses_allocator.h (__is_erased_or_convertible): Reorder conditions. Add comments. * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error line. * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise. * testsuite/20_util/scoped_allocator/69293_neg.cc: Likewise. * include/bits/uses_allocator.h (__is_erased_or_convertible): Remove. (__uses_allocator_helper): Check conditions directly instead of using __is_erased_or_convertible. * include/experimental/memory_resource: Adjust comments and whitespace. (__resource_adaptor_imp): Add second template parameter for type of memory resource base class. (memory_resource): Define default constructor, destructor, copy constructor and copy assignment operator as defaulted. PR libstdc++/70966 * include/experimental/memory_resource (__get_default_resource): Use placement new to create an object with dynamic storage duration. 2018-07-23 Jonathan Wakely PR libstdc++/70940 * include/experimental/memory_resource (__resource_adaptor_common::_AlignMgr::_M_unadjust): Add assertion. (__resource_adaptor_common::__guaranteed_alignment): New helper to give maximum alignment an allocator guarantees. Specialize for known allocators using new and malloc. (__resource_adaptor_imp::do_allocate): Use __guaranteed_alignment. (__resource_adaptor_imp::do_deallocate): Likewise. * testsuite/experimental/memory_resource/new_delete_resource.cc: Check that new and delete are called with expected sizes. 2018-07-20 Jonathan Wakely PR libstdc++/86595 * include/bits/fs_dir.h (directory_entry::refresh(error_code&)): Add noexcept. 2018-07-20 Fangrui Song * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Use _GLIBCXX_VISIBILITY(default). 2018-07-20 Jonathan Wakely PR libstdc++/86603 * include/std/version: Move __cpp_lib_list_remove_return_type macro. 2018-07-19 Jonathan Wakely * include/std/type_traits (__is_member_object_pointer_helper): Use __not_>::type instead of integral_constant. (__is_member_function_pointer_helper): Likewise for is_function<_Tp>::type. (is_compund): Likewise for __not_>::type. (__do_is_nt_destructible_impl): Use __bool_constant and reindent. (is_trivially_constructible): Remove redundant use of is_constructible. (__is_trivially_copy_assignable_impl): Remove redundant use of is_copy_assignable. (__is_trivially_move_assignable_impl): Remove redundant use of is_move_assignable. (is_trivially_destructible): Use __bool_constant. * testsuite/20_util/is_trivially_assignable/value.cc: Add some more tests for scalar types. 2018-07-19 Glen Joseph Fernandes * include/bits/stl_algobase.h (__copy_move_a): Used __is_trivially_copyable. (__copy_move_backward_a): Likewise. * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc: New test. 2018-07-17 Jonathan Wakely PR libstdc++/86450 * acinclude.m4 (GLIBCXX_CHECK_COMPILER_FEATURES): Don't define WERROR. (GLIBCXX_EXPORT_FLAGS): Use -Wabi=2 instead of -Wabi. * configure: Regenerate. * configure.ac: Change GLIBCXX_ENABLE_WERROR default to "no". * doc/Makefile.in: Regenerate. * fragment.am: Set WERROR_FLAG to -Werror instead of $(WERROR). * include/Makefile.in: Regenerate. * libsupc++/Makefile.in: Regenerate. * po/Makefile.in: Regenerate. * python/Makefile.in: Regenerate. * src/Makefile.in: Regenerate. * src/c++11/Makefile.in: Regenerate. * src/c++11/debug.cc: Use diagnostic pragmas to suppress warnings from -Wabi=2 that don't affect exported symbols. * src/c++98/Makefile.in: Regenerate. * src/filesystem/Makefile.in: Regenerate. * testsuite/Makefile.in: Regenerate. * src/c++11/compatibility-thread-c++0x.cc [_GLIBCXX_SHARED] (_Async_state_common::_M_join): Simplify use of std::call_once and corresponding explicit instantiation. (_Maybe_wrap_member_pointer, _Bind_simple, _Bind_simple_helper) (__bind_simple): Remove definitions and explicit instantiation that are not required by exported symbols. 2018-07-16 Jonathan Wakely * scripts/create_testsuite_files: Fix typo in comment. PR libstdc++/86537 * include/bits/shared_ptr.h (less>): Remove non-standard partial specialization. * include/bits/shared_ptr_base.h (_Sp_less): Remove class definition. (less<__shared_ptr<_Tp, _Lp>): Remove partial specialization. * testsuite/20_util/shared_ptr/comparison/86537.cc: New test. 2018-07-16 Andreas Krebbel * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update. * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update. * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update. 2018-07-06 François Dumont * include/debug/functions.h (__gnu_debug::__check_string): Move... * include/debug/string (__gnu_debug::__check_string): ... here. (_GLIBCXX_DEBUG_VERIFY_STR_COND_AT): New. (__glibcxx_check_string_n_constructor): New. (__gnu_debug::basic_string<>(const _CharT*, size_type, const _Alloc&)): Use latter. (__glibcxx_check_string_constructor): New. (__gnu_debug::basic_string<>(const _CharT*, const _Alloc&)): Use latter. * testsuite/21_strings/basic_string/debug/1_neg.cc: New. * testsuite/21_strings/basic_string/debug/2_neg.cc: New. 2018-07-06 Jonathan Wakely PR libstdc++/84928 use std::move in algorithms * include/bits/stl_numeric.h (_GLIBCXX_MOVE_IF_20): Define macro to conditionally move, according to __cplusplus value. (accumulate, inner_product, partial_sum, adjacent_difference): Use _GLIBCXX_MOVE_IF_20. * testsuite/26_numerics/accumulate/lwg2055.cc: New test. * testsuite/26_numerics/adjacent_difference/lwg2055.cc: New test. * testsuite/26_numerics/inner_product/lwg2055.cc: New test. * testsuite/26_numerics/partial_sum/lwg2055.cc: New test. * config/abi/pre/gnu.ver: Use wildcards to combine related patterns. P0935R0 Eradicating unnecessarily explicit default constructors * config/abi/pre/gnu.ver: Tighten existing patterns and export new default constructor symbols. * include/std/sstream (basic_stringbuf, basic_istringstream) (basic_ostringstream, basic_stringstream): Remove default arguments from explicit constructors taking ios_base::openmode and add separate non-explicit default constructors. * testsuite/27_io/basic_istringstream/cons/default.cc: New. * testsuite/27_io/basic_ostringstream/cons/default.cc: New. * testsuite/27_io/basic_stringstream/cons/default.cc: New. * testsuite/27_io/basic_stringbuf/cons/char/default.cc: New. * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: New. * include/std/variant (__accepted_index): Use void_t. 2018-07-05 Jonathan Wakely PR libstdc++/85831 * config/abi/pre/gnu.ver: Export move constructors and move assignment operators for std::logic_error and std::runtime_error. * include/std/stdexcept: Use _GLIBCXX_NOTHROW instead of _GLIBCXX_USE_NOEXCEPT. (logic_error, runtime_error): Declare move constructors and move assignment operators. When not declared already, define copy constructors and copy assignment operators as explicit-defaulted. (domain_error, invalid_argument, length_error, out_of_range) (overflow_error, underflow_error): Define move constructors and move assignment operators as explicitly-defaulted. * libsupc++/exception.h (exception): Likewise. * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Define move constructors and move assignment operators as defaulted. * testsuite/19_diagnostics/stdexcept.cc: Check that constructors and assignment operators are defined. * testsuite/21_strings/basic_string/cons/char/deduction.cc: XFAIL for COW strings. * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc: Likewise. * testsuite/21_strings/basic_string/requirements/ explicit_instantiation/debug.cc: Likewise. PR libstdc++/58265 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI] (basic_string::assign(basic_string&&)): Add conditional noexcept depending on the allocator's is_always_equal property (LWG 2063). * testsuite/21_strings/basic_string/modifiers/assign/char/ move_assign.cc: Check for non-throwing exception specification. * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/ move_assign.cc: Likewise. PR libstdc++/58265 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI] [_GLIBCXX_FULLY_DYNAMIC_STRING==0] (basic_string::basic_string()): Add GLIBCXX_NOEXCEPT. (basic_string::operator=(basic_string&&)): Add _GLIBCXX_NOEXCEPT_IF to depend on the allocator's is_always_equal property (LWG 2063). (basic_string::swap(basic_string&)): Likewise. * include/bits/basic_string.tcc [!_GLIBCXX_USE_CXX11_ABI] (basic_string::swap(basic_string&)): Likewise. * testsuite/21_strings/basic_string/allocator/char/move_assign.cc: Check is_nothrow_move_assignable. * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc: Check is_nothrow_move_assignable. * testsuite/21_strings/basic_string/cons/char/ noexcept_move_construct.cc: Likewise. * testsuite/21_strings/basic_string/cons/wchar_t/ noexcept_move_construct.cc: Likewise. 2018-07-04 Jonathan Wakely P0646R1 Improving the Return Value of Erase-Like Algorithms I * include/bits/forward_list.h (__cpp_lib_list_remove_return_type): Define. (forward_list::__remove_return_type): Define typedef as size_type or void, according to __cplusplus value. (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or empty, according to __cplusplus value. (forward_list::remove, forward_list::unique): Use typedef and macro to change return type and add abi-tag for C++2a. (forward_list::remove_if, forward_list::unique): Use typedef to change return type for C++2a. * include/bits/forward_list.tcc (_GLIBCXX20_ONLY): Define macro. (forward_list::remove, forward_list::remove_if) (forward_list::unique): Return number of removed elements for C++2a. * include/bits/list.tcc (_GLIBCXX20_ONLY): Define macro. (list::remove, list::unique, list::remove_if) (list::unique): Return number of removed elements for C++2a. * include/bits/stl_list.h (__cpp_lib_list_remove_return_type): Define. (list::__remove_return_type): Define typedef as size_type or void, according to __cplusplus value. (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or empty, according to __cplusplus value. (list::remove, list::unique): Use typedef and macro to change return type and add abi-tag for C++2a. (list::remove_if, list::unique): Use typedef to change return type for C++2a. * include/std/version (__cpp_lib_list_remove_return_type): Define. * testsuite/23_containers/forward_list/operations/ remove_cxx20_return.cc: New. * testsuite/23_containers/forward_list/operations/ unique_cxx20_return.cc: New. P0458R2 Checking for Existence of an Element in Associative Containers * include/bits/stl_map.h (map::contains): Add for C++2a. * include/bits/stl_multimap.h (multimap::contains): Likewise. * include/bits/stl_multiset.h (multiset::contains): Likewise. * include/bits/stl_set.h (set::contains): Likewise. * include/bits/stl_tree.h (__has_is_transparent_t): Define alias. (_Rb_tree::_M_find_tr, _Rb_tree::_M_count_tr) (_Rb_tree::_M_lower_bound_tr, _Rb_tree::_M_upper_bound_tr) (_Rb_tree::_M_equal_range_tr): Use __has_is_transparent_t. * include/bits/unordered_map.h (unordered_map::contains) (unordered_multimap::contains): Add for C++2a. * include/bits/unordered_set.h (unordered_set::contains) (unordered_multiset::contains): Likewise. * testsuite/23_containers/map/operations/contains.cc: New. * testsuite/23_containers/multimap/operations/contains.cc: New. * testsuite/23_containers/multiset/operations/contains.cc: New. * testsuite/23_containers/set/operations/contains.cc: New. * testsuite/23_containers/unordered_map/operations/contains.cc: New. * testsuite/23_containers/unordered_multimap/operations/contains.cc: New. * testsuite/23_containers/unordered_multiset/operations/contains.cc: New. * testsuite/23_containers/unordered_set/operations/contains.cc: New. 2018-07-04 François Dumont PR libstdc++/86272 * include/debug/string (__gnu_debug::basic_string<>::insert<_Ite>(const_iterator, _Ite, _Ite)): Use __glibcxx_check_insert_range. * 21_strings/basic_string/cons/char/1.cc: Adapt test to use __gnu_debug::string when _GLIBCXX_DEBUG. * 21_strings/basic_string/init-list.cc: Likewise. * 21_strings/basic_string/modifiers/insert/char/1.cc: Likewise. * 21_strings/basic_string/modifiers/insert/char/2.cc: Likewise. * 21_strings/basic_string/modifiers/insert/char/83328.cc: Likewise. * 21_strings/basic_string/types/1.cc: Likewise. 2018-07-04 Jonathan Wakely * testsuite/25_algorithms/make_heap/complexity.cc: Require effective target for std::random_device. * testsuite/26_numerics/random/random_device/cons/default.cc: Likewise. * testsuite/experimental/algorithm/sample-2.cc: Likewise. * testsuite/experimental/algorithm/shuffle.cc: Likewise. * testsuite/experimental/random/randint.cc: Likewise. * testsuite/lib/libstdc++.exp (check_effective_target_random_device): New proc. 2018-07-04 Jonathan Wakely Jakub Jelinek * include/std/bit (__rotl, __rotr): Fix for non-power of two sizes. 2018-07-04 Jonathan Wakely PR libstdc++/86398 * include/std/type_traits (is_trivially_constructible): Check is_constructible before __is_trivially_constructible. * testsuite/20_util/is_trivially_constructible/value.cc: Add more tests, including negative cases. * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Use zero for dg-error lineno. * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Likewise. * include/std/bit (__rotl, __rotr): Avoid branch. (_If_is_unsigned_integer): Use remove_cv_t. * testsuite/26_numerics/bit/bitops.count/popcount.cc: New. 2018-07-03 Jonathan Wakely P0556R3 Integral power-of-2 operations, P0553R2 Bit operations * include/Makefile.am: Add new header. * include/Makefile.in: Regenerate. * include/precompiled/stdc++.h: Include new header. * include/std/bit: New header. (__rotl, __rotr, __countl_zero, __countl_one, __countr_zero) (__countr_one, __popcount, __ispow2, __ceil2, __floor2, __log2p1): Define for C++14. [!__STRICT_ANSI__] (rotl, rotr, countl_zero, countl_one, countr_zero) (countr_one, popcount): Define for C++2a. Also overload for std::byte. (ispow2, ceil2, floor2, log2p1): Define for C++2a. [!__STRICT_ANSI__] (ispow2, ceil2, floor2, log2p1): Overload for std::byte. * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: New. * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: New. * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: New. * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: New. * testsuite/26_numerics/bit/bitops.rot/rotl.cc: New. * testsuite/26_numerics/bit/bitops.rot/rotr.cc: New. * testsuite/26_numerics/bit/bitops.count/countl_one.cc: New. * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: New. * testsuite/26_numerics/bit/bitops.count/countr_one.cc: New. * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: New. * include/bits/alloc_traits.h: Remove redundant preprocessor condition. 2018-07-03 François Dumont * include/bits/stl_algobase.h (__niter_wrap): New. (__copy_move_a2(_II, _II, _OI)): Use latter. (__copy_move_backward_a2(_BI1, _BI1, _BI2)): Likewise. (fill_n(_OI, _Size, const _Tp&)): Likewise. (equal(_II1, _II1, _II2)): Use __glibcxx_requires_can_increment. * include/debug/stl_iterator.h (std::__niter_base(const __gnu_cxx::_Safe_iterator< __gnu_cxx::__normal_iterator<>, _Sequence>&)): New declaration. * include/debug/vector (__niter_base(const __gnu_cxx::_Safe_iterator< __gnu_cxx::__normal_iterator<>, _Sequence>&)): New. 2018-07-02 Jonathan Wakely P0758R1 Implicit conversion traits * include/std/type_traits [__cplusplus > 201703] (__is_convertible_helper::__is_nothrow_type): Define new member. (__is_convertible_helper<_From, _To, false>::__test_aux1): Add noexcept. (__is_convertible_helper<_From, _To, false>::__test_nothrow) (__is_convertible_helper<_From, _To, false>::__is_nothrow_type): Add new members. (is_nothrow_convertible, is_nothrow_convertible_v): Define for C++2a. * testsuite/20_util/is_nothrow_convertible/value.cc: New. * testsuite/20_util/is_nothrow_convertible/requirements/ explicit_instantiation.cc: New. * testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc: New. P0887R1 The identity metafunction * include/std/type_traits (type_identity, type_identity_t): Define for C++2a. * testsuite/20_util/type_identity/requirements/alias_decl.cc: New. * testsuite/20_util/type_identity/requirements/ explicit_instantiation.cc:New. * testsuite/20_util/type_identity/requirements/typedefs.cc: New. * include/bits/regex.h (sub_match::operator string_type): Call str(). (sub_match::compare): Use _M_str() instead of str(). (sub_match::_M_compare): New public function. (sub_match::__string_view): New helper type. (sub_match::_M_str): New overloaded functions to avoid creating a string_type object when not needed. (operator==, operator!=, operator<, operator>, operator<=, operator>=): Use sub_match::_M_compare instead of creating string_type objects. Fix Doxygen comments. * include/bits/regex_compiler.h (__has_contiguous_iter): Remove. (__is_contiguous_normal_iter): Rename to __is_contiguous_iter and simplify. (__enable_if_contiguous_iter, __disable_if_contiguous_iter): Use __enable_if_t. * include/std/type_traits (__enable_if_t): Define for C++11. * testsuite/28_regex/sub_match/compare.cc: New. * testsuite/util/testsuite_iterators.h (remove_cv): Add transformation trait. (input_iterator_wrapper): Use remove_cv for value_type argument of std::iterator base class. 2018-06-29 Jonathan Wakely * testsuite/20_util/add_rvalue_reference/requirements/alias_decl.cc: Add whitespace to dejagnu directive. * testsuite/23_containers/array/element_access/at_neg.cc: Likewise. 2018-06-27 François Dumont * include/bits/stl_vector.h (struct _Vector_base<>::_Vector_impl_data): New. (struct _Vector_base<>::_Vector_impl): Inherit from latter. (_Vector_base<>::_Vector_impl::_M_swap_data): Move... (_Vector_base<>::_Vector_impl_data::_M_swap_data): ...here. (_Vector_base<>::_Vector_impl()): Add noexcept qualification. (_Vector_base<>::_Vector_impl(_Vector_impl&&)): New. (_Vector_base<>::_Vector_impl(_Tp_alloc_type&&, _Vector_impl&&)): New. (_Vector_base(const allocator_type&, _Vector_base&&)): New, use latter. (_Vector_base()): Default. (_Vector_base(_Vector_base&&)): Default. (_Vector_base(size_t)) [_GLIBCXX_INLINE_VERSION]: Delete. (_Vector_base(_Tp_alloc_type&&)) [_GLIBCXX_INLINE_VERSION]: Delete. (_Vector_base::_M_create_storage(size_t)): Make protected. (vector()): Default. (vector(vector&&)): Default. (vector(vector&&, const allocator_type&, true_type)): New. (vector(vector&&, const allocator_type&, false_type)): New. (vector(vector&&, const allocator_type&)): Use latters. (vector(_InputIte, _InputIte, const allocator_type&)): Call _M_range_initialize directly. * include/debug/vector (vector(vector&&, const allocator_type&)): Add noexcept qualification. * testsuite/23_containers/vector/allocator/default_init.cc: New. * testsuite/23_containers/vector/cons/noexcept_move_construct.cc: Add static assertions. 2018-06-27 Jonathan Wakely * include/bits/cpp_type_traits.h [__cplusplus >= 201703] (__is_byte): Define specialization for std::byte. PR libstdc++/86138 * include/bits/basic_string.tcc: [_GLIBCXX_EXTERN_TEMPLATE < 0] Declare explicit instantiations of COW empty reps and I/O functions. 2018-06-26 David Edelsohn * testsuite/experimental/algorithm/sample-2.cc: Add TLS DejaGNU directives. * testsuite/experimental/algorithm/shuffle.cc: Likewise. 2018-06-26 Jonathan Wakely * include/bits/regex.tcc (regex_iterator::operator==): Add missing noexcept. 2018-06-25 Jonathan Wakely PR libstdc++/86112 * python/libstdcxx/v6/printers.py (add_one_template_type_printer): Replace dict comprehension. PR libstdc++/81092 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update. PR libstdc++/86292 * include/bits/stl_vector.h (vector::_M_range_initialize): Add try-catch block. * testsuite/23_containers/vector/cons/86292.cc: New. * doc/xml/manual/status_cxx2017.xml: Document N4531 status. * include/experimental/algorithm (sample, shuffle): Add new overloads using per-thread random number engine. * testsuite/experimental/algorithm/sample.cc: Simpify and reduce dependencies by using __gnu_test::test_container. * testsuite/experimental/algorithm/sample-2.cc: New. * testsuite/experimental/algorithm/shuffle.cc: New. 2018-06-22 Jonathan Wakely * config/abi/pre/gnu.ver: Fix __cxx11::basic_string patterns for different size_t mangling on 32-bit targets. PR libstdc++/86280 * include/experimental/memory_resource (__resource_adaptor_common::_AlignMgr::_M_token_size): Use type large enough for result of left shift. PR libstdc++/86138 * include/bits/basic_string.tcc: [__cplusplus > 201402 && !_GLIBCXX_USE_CXX11_ABI] (basic_string::_Rep::_S_empty_rep_storage) (basic_string::_Rep::_S_empty_rep_storage): Add explicit instantiation declarations. [__cplusplus > 201402] (operator>>, operator<<, getline): Re-enable explicit instantiation declarations. * testsuite/21_strings/basic_string/cons/char/86138.cc: New. * testsuite/21_strings/basic_string/cons/wchar_t/86138.cc: New. 2018-06-21 Jonathan Wakely PR libstdc++/83328 * acinclude.m4 (libtool_VERSION): Bump to 6:26:0. * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 and export new symbol. * configure: Regenerate. * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI] (basic_string::insert(const_iterator, initializer_list)): Add. [_GLIBCXX_USE_CXX11_ABI && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS] (basic_string::insert(iterator, initializer_list)): Suppress definition. * include/debug/string (basic_string::insert(iterator, C)): Change first parameter to const_iterator. (basic_string::insert(iterator, size_type, C)): Likewise. Change return type to iterator. (basic_string::insert(iterator, InputIterator, InputIterator)): Likewise. (basic_string::insert(iterator, initializer_list)): Change first parameter to const_iterator and return type to iterator. * src/c++11/string-inst.cc: Extend comment. * testsuite/21_strings/basic_string/modifiers/insert/char/83328.cc: New. * testsuite/21_strings/basic_string/modifiers/insert/wchar_t/83328.cc: New. * testsuite/util/testsuite_abi.cc: Add new symbol version. * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update. PR libstdc++/70940 * include/experimental/memory_resource (__resource_adaptor_imp::do_deallocate): Add missing return. * testsuite/experimental/memory_resource/new_delete_resource.cc: New. * testsuite/experimental/memory_resource/resource_adaptor.cc: Test resource_adaptor with std::allocator, __gnu_cxx::new_allocator and __gnu_cxx::malloc_allocator. PR libstdc++/70940 * include/experimental/memory_resource (__resource_adaptor_common): New base class. (__resource_adaptor_common::_AlignMgr): Helper for obtaining aligned pointer from unaligned, and vice versa. (__resource_adaptor_imp::do_allocate): Use _AlignMgr to adjust allocated pointer to meet alignment request. (__resource_adaptor_imp::do_deallocate): Use _AlignMgr to retrieve original pointer for deallocation. (__resource_adaptor_imp::do_is_equal): Reformat. (__resource_adaptor_imp::_S_aligned_size): Remove. (__resource_adaptor_imp::_S_supported): Remove. (new_delete_resource): Use __gnu_cxx::new_allocator. * testsuite/experimental/memory_resource/resource_adaptor.cc: Test extended alignments and use debug_allocator to check for matching allocate/deallocate pairs. 2018-06-21 François Dumont * include/debug/safe_iterator.h (_Safe_iterator<>(const _Safe_iterator<_MutableIterator,>& __x)): Compare __x base iterator with a value-initialized iterator of the same type. 2018-06-20 Jonathan Wakely PR libstdc++/70966 * include/experimental/memory_resource (__resource_adaptor_imp): Add static assertions to enforce requirements on pointer types. (__resource_adaptor_imp::get_allocator()): Add noexcept. (new_delete_resource, null_memory_resource): Return address of an object with dynamic storage duration. (__null_memory_resource): Remove. * testsuite/experimental/memory_resource/70966.cc: New. * testsuite/20_util/duration/arithmetic/dr3050.cc: Add new test missed from recent commit. 2018-06-19 Jonathan Wakely * include/std/utility: Remove unused header. 2018-06-18 Jonathan Wakely LWG 2975 ensure construct(pair*, ...) used to construct pairs * include/std/scoped_allocator (__not_pair): Define SFINAE helper. (construct(_Tp*, _Args&&...)): Remove from overload set when _Tp is a specialization of std::pair. * testsuite/20_util/scoped_allocator/construct_pair.cc: Ensure pair elements are constructed correctly. LWG 2989 hide path iostream operators from normal lookup * include/bits/fs_path.h (operator<<, operator>>): Define inline as friends. * testsuite/27_io/filesystem/path/io/dr2989.cc: New. LWG 3050 Fix cv-qualification of convertibility constraints * include/std/chrono (duration, operator*, operator/, operator%): Use const-qualified type as source type in is_convertible constraints. * testsuite/20_util/duration/arithmetic/dr3050.cc: New. * testsuite/20_util/duration/cons/dr3050.cc: New. * testsuite/20_util/duration/literals/range.cc: Rename to... * testsuite/20_util/duration/literals/range_neg.cc: Here. Adjust dg-error lineno. 2018-06-18 Maya Rashish * crossconfig.m4: Handle OpenBSD just like NetBSD. * configure: Rebuilt. 2018-06-18 Jonathan Wakely P0754R2 header * include/Makefile.am: Add new header. * include/Makefile.in: Regenerate. * include/bits/c++config: Change doxygen comment to suggest instead of . * include/precompiled/stdc++.h: Include and unconditionally. Add C++17 and C++20 headers. * include/std/version: New header. * testsuite/17_intro/headers/c++2017/all_attributes.cc: New. * testsuite/17_intro/headers/c++2017/all_no_exceptions.cc: New. * testsuite/17_intro/headers/c++2017/all_no_rtti.cc: New. * testsuite/17_intro/headers/c++2017/all_pedantic_errors.cc: New. * testsuite/17_intro/headers/c++2017/operator_names.cc: New. * testsuite/17_intro/headers/c++2017/stdc++.cc: New. * testsuite/17_intro/headers/c++2017/stdc++_multiple_inclusion.cc: New. * testsuite/17_intro/headers/c++2020/all_attributes.cc: New. * testsuite/17_intro/headers/c++2020/all_no_exceptions.cc: New. * testsuite/17_intro/headers/c++2020/all_no_rtti.cc: New. * testsuite/17_intro/headers/c++2020/all_pedantic_errors.cc: New. * testsuite/17_intro/headers/c++2020/operator_names.cc: New. * testsuite/17_intro/headers/c++2020/stdc++.cc: New. * testsuite/17_intro/headers/c++2020/stdc++_multiple_inclusion.cc: New. * testsuite/18_support/headers/version/macros.cc: New. * testsuite/18_support/headers/version/macros.cc: New. * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Only check when enable_libstdcxx_filesystem_ts = yes. Check for link, readlink and symlink. * config.h.in: Regenerate. * configure: Regenerate. * configure.ac: Remove AC_CHECK_FUNCS for link, readlink and symlink. LWG 3035. std::allocator's constructors should be constexpr * include/bits/allocator.h (allocator): Add constexpr to constructors for C++2a. Replace dynamic exception specifications with NOTHROW macro. (allocator, operator==, operator!=): Replace USE_NOEXCEPT macro with NOTHROW. * include/bits/c++config (_GLIBCXX20_CONSTEXPR): Define. * include/ext/malloc_allocator.h (malloc_allocator): Add constexpr to constructors for C++2a. * include/ext/new_allocator.h (new_allocator): Likewise. 2018-06-16 Jonathan Wakely LWG 3076 basic_string CTAD ambiguity * doc/xml/manual/intro.xml: Document LWG 3076 change. * include/bits/basic_string.h [__cpp_deduction_guides && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS] (basic_string(const _CharT*, const _Alloc&)): Turn into a function template constrained by _RequireAllocator. (basic_string(size_type, _CharT, const _Alloc&)): Likewise. * src/c++11/string-inst.cc (_GLIBCXX_DEFINING_STRING_INSTANTIATIONS): Define. * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test deduction * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc: Likewise. 2018-06-15 Jonathan Wakely PR libstdc++/86169 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI] (basic_string::data()): Unshare string. * testsuite/21_strings/basic_string/operations/data/char/86169.cc: New. * include/std/string_view (basic_string_view(const CharT*)): Remove check for null pointer and add nonnull attribute. (compare(const CharT*), compare(size_type, size_type, const CharT*)) (find(const CharT*, size_type), rfind(const CharT*, size_type)) (find_first_of(const CharT*, size_type)) (find_last_of(const CharT*, size_type)) (find_first_not_of(const CharT*, size_type)) (find_last_not_of(const CharT*, size_type)): Add nonnull attribute. * testsuite/21_strings/basic_string_view/cons/char/nonnull.cc: New. * testsuite/21_strings/basic_string_view/operations/compare/char/ nonnull.cc: New. * testsuite/21_strings/basic_string_view/operations/find/char/ nonnull.cc: New. * testsuite/21_strings/basic_string_view/operations/rfind/char/ nonnull.cc: New. PR libstdc++/86168 * include/bits/random.h (random_device(const string&)): Remove default argument. * include/bits/char_traits.h (__cpp_lib_constexpr_char_traits): Only define for C++17 and above. LWG 2993 reference_wrapper conversion from T&& * doc/xml/manual/intro.xml: Document LWG 2993 change. * include/bits/refwrap.h (reference_wrapper(_Tp&)): Remove. (reference_wrapper(_Tp&&)): Remove. (reference_wrapper<_Up>(_Up&&)): Define new constructor as constrained template. (reference_wrapper): Add deduction guide. * testsuite/20_util/reference_wrapper/deduction.cc: New. * testsuite/20_util/reference_wrapper/lwg2993.cc: New. LWG 3039 Unnecessary decay in thread and packaged_task * include/std/future (__constrain_pkgdtask): Replace with ... (packaged_task::__not_same): New alias template, using __remove_cvref_t instead of decay. * include/std/thread (thread::__not_same): Add comment. 2018-06-14 Jonathan Wakely LWG 3075 basic_string needs deduction guides from basic_string_view * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test deduction from string views. * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc: Likewise. LWG 3074 make scalar types non-deduced in valarray non-member functions * include/bits/valarray_after.h (_DEFINE_EXPR_BINARY_FUNCTION): Change scalar parameters to be a non-deduced context. * include/std/valarray (_DEFINE_BINARY_OPERATOR): Likewise. Adjust whitespace. * testsuite/26_numerics/valarray/operators.cc: Test scalar operands. * testsuite/26_numerics/valarray/transcend.cc: New. * include/std/tuple (__cpp_lib_tuple_element_t, tuple_element_t): Move back to . * include/std/utility (__cpp_lib_tuple_element_t. tuple_element_t): Restore to here. P0935R0 Eradicating unnecessarily explicit default constructors * include/backward/strstream (strstreambuf): Add non-explicit default constructor. * include/bits/locale_conv.h (wbuffer_convert, wstring_convert): Likewise. * include/bits/regex.h (match_results): Likewise. * testsuite/22_locale/conversions/buffer/1.cc: Test for non-explicit default constructor. * testsuite/22_locale/conversions/string/1.cc: Likewise. * testsuite/28_regex/match_results/ctors/char/default.cc: Likewise. * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise. * include/std/tuple (__cpp_lib_tuple_element_t): Move feature test macro from and change type to long. * include/std/utility (__cpp_lib_tuple_element_t): Remove. * testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test macro. P0935R0 Eradicating unnecessarily explicit default constructors * include/bits/random.h (uniform_real_distribution::param_type) (normal_distribution::param_type, lognormal_distribution::param_type) (gamma_distribution::param_type, chi_squared_distribution::param_type) (cauchy_distribution::param_type, fisher_f_distribution::param_type) (student_t_distribution::param_type) (bernoulli_distribution::param_type) (binomial_distribution::param_type) (geometric_distribution::param_type) (negative_binomial_distribution::param_type) (poisson_distribution::param_type) (exponential_distribution::param_type) (weibull_distribution::param_type) (extreme_value_distribution::param_type): Add non-explicit default constructors. Remove default argument for first parameter of explicit constructors. * include/bits/uniform_int_dist.h (uniform_int_distribution::param_type): Likewise. * include/ext/random (beta_distribution::param_type, rice_distribution::param_type) (nakagami_distribution::param_type, pareto_distribution::param_type) (k_distribution::param_type, arcsine_distribution::param_type) (hoyt_distribution::param_type, triangular_distribution::param_type) (von_mises_distribution::param_type) (hypergeometric_distribution::param_type) (logistic_distribution::param_type) (uniform_inside_sphere_distribution::param_type): Likewise. (uniform_on_sphere_distribution::param_type): Make default constructor non-explicit. * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc: Test param_type for non-explicit default constructor. * testsuite/26_numerics/random/binomial_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/discrete_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/exponential_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/gamma_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/geometric_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/normal_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/poisson_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/student_t_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/weibull_distribution/cons/default.cc: Likewise. * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise. * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise. * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise. * testsuite/ext/random/hypergeometric_distribution/cons/default.cc: Likewise. * testsuite/ext/random/k_distribution/cons/default.cc: Likewise. * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise. * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise. * testsuite/ext/random/normal_mv_distribution/cons/default.cc: Likewise. * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise. * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise. * testsuite/ext/random/triangular_distribution/cons/default.cc: Likewise. * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc: Likewise. * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc: Likewise. * testsuite/ext/random/von_mises_distribution/cons/default.cc: Likewise. 2018-06-14 Daniel Trebbien Jonathan Wakely PR libstdc++/83982 * include/bits/vector.tcc (vector::_M_default_append(size_type)): Default-construct new elements before moving existing ones. * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc: New. 2018-06-13 Jonathan Wakely PR libstdc++/86127 * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove unused typedef. (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after): Use node allocator to create and destroy elements. (forward_list::_Tp_alloc_type): Remove unused typedef. (forward_list::_Alloc_traits): Use allocator_traits instead of __gnu_cxx::__alloc_traits. 2018-06-13 François Dumont * include/debug/helper_functions.h (__gnu_debug::_Safe_iterator<>): Add declaration. (__can_advance(_Ite, _Size)): New. (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration. * include/debug/functions.h (__gnu_debug::_Safe_iterator<>): Remove declaration. * include/debug/stl_iterator.h (__can_advance(const _Safe_iterator<>&)): New definition. * include/debug/stl_iterator.h (__can_advance(const std::reverse_iterator<>&, _Size)): New. (__can_advance(const std::move_iterator<>&, _Size)): New. * include/debug/macros.h (__glibcxx_check_can_increment): New. * include/debug/debug.h (__glibcxx_requires_can_increment): New. * include/bits/stl_algobase.h (fill_n): Use latter. * testsuite/25_algorithms/fill_n/2.cc: New. * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New. * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New. * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New. * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New. * include/debug/debug.h (__glibcxx_requires_can_increment_range): New. (__glibcxx_requires_can_decrement_range): New. 2018-06-12 François Dumont * include/debug/macros.h (__glibcxx_check_can_increment_range): New. (__glibcxx_check_can_decrement_range): New. * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use __glibcxx_requires_can_increment_range. (std::move(_II, _II, _OI)): Likewise. (std::copy_backward(_BI, _BI, _BI2)): Use __glibcxx_requires_can_decrement_range. (std::move_backward(_BI, _BI, _BI2)): Likewise. * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New. * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New. * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New. * testsuite/25_algorithms/equal/debug/1_neg.cc: New. * testsuite/25_algorithms/equal/debug/2_neg.cc: New. * testsuite/25_algorithms/equal/debug/3_neg.cc: New. 2018-06-12 Jonathan Wakely P0935R0 Eradicating unnecessarily explicit default constructors * include/bits/random.h (linear_congruential_engine) (mersenne_twister_engine, subtract_with_carry_engine, random_device) (uniform_real_distribution, normal_distribution) (lognormal_distribution, gamma_distribution, chi_squared_distribution) (cauchy_distribution, fisher_f_distribution, student_t_distribution) (bernoulli_distribution, binomial_distribution,geometric_distribution) (negative_binomial_distribution, exponential_distribution) (weibull_distribution, extreme_value_distribution): Add non-explicit default constructors. Remove default argument for first parameter of explicit constructors. (piecewise_constant_distribution, piecewise_linear_distribution): Make default constructor non-explicit. * include/bits/uniform_int_dist.h (uniform_int_distribution): Add non-explicit default constructors. Remove default argument for first parameter of explicit constructor. * include/ext/random (simd_fast_mersenne_twister_engine, beta_distribution) (rice_distribution, nakagami_distribution, pareto_distribution) (k_distribution, arcsine_distribution, hoyt_distribution) (triangular_distribution, von_mises_distribution) (hypergeometric_distribution, logistic_distribution) (uniform_inside_sphere_distribution): Likewise. (uniform_on_sphere_distribution): Make default constructor non-explicit. * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc: Test for non-explicit default constructor. Fix references to standard. * testsuite/26_numerics/random/binomial_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/discrete_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/exponential_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/gamma_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/geometric_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/normal_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/poisson_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/student_t_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc: Likewise. * testsuite/26_numerics/random/weibull_distribution/cons/default.cc: Likewise. * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise. * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise. * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise. * testsuite/ext/random/hypergeometric_distribution/cons/default.cc: Likewise. * testsuite/ext/random/k_distribution/cons/default.cc: Likewise. * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise. * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise. * testsuite/ext/random/normal_mv_distribution/cons/default.cc: Likewise. * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise. * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise. * testsuite/ext/random/triangular_distribution/cons/default.cc: Likewise. * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc: Likewise. * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc: Likewise. * testsuite/ext/random/von_mises_distribution/cons/default.cc: Likewise. * testsuite/util/testsuite_common_types.h (implicitly_default_constructible): New helper. 2018-06-08 Jonathan Wakely * include/bits/ios_base.h (ios::Init::Init(const Init&)) (ios::Init::operator=): Define as defaulted. * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)): Likewise. * include/bits/stream_iterator.h (istream_iterator::operator=) (ostream_iterator::operator=): Likewise. * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=) Likewise. * include/std/bitset (bitset::reference::reference(const reference&)): Likewise. * include/std/complex (complex::complex(const complex&)) (complex::complex(const complex&)) (complex::complex(const complex&)): Likewise. 2018-06-07 Jonathan Wakely * include/bits/regex.h (sub_match): Add noexcept to default constructor and length observer. (match_results): Add noexcept to default constructor and observers with no preconditions. Define destructor as defaulted. (operator==, operator!=, swap): Add noexcept. (regex_iterator): Add default member initializers and define default constructor and destructor as defaulted. Add noexcept to equality and dereference operators. 2018-06-07 François Dumont * src/c++11/debug.cc (_Safe_iterator_base::_M_detach()): Reset state only if needed. (_Safe_iterator_base::_M_detach_single()): Likewise. (_Safe_local_iterator_base::_M_detach()): Reset state only if needed. (_Safe_local_iterator_base::_M_detach_single()): Likewise. 2018-06-06 Jonathan Wakely * include/bits/shared_ptr_base.h (__shared_count): Remove redundant move of const value. 2018-06-06 Jakub Jelinek PR c++/86068 * include/bits/c++config: Check __cpp_transactional_memory >= 201500L rather than __cpp_transactional_memory >= 201505L. 2018-06-06 Jonathan Wakely PR libstdc++/86008 * include/bits/quoted_string.h (_Quoted_string): Define new partial specialization. * include/std/iomanip (quoted(basic_string_view, C, C)): Define new overload. (operator<<(basic_ostream&, const _Quoted_string&)): Use value not reference for iteration. * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust comment. * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test. * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust comment. 2018-06-05 Jonathan Wakely * include/std/type_traits: Fix comment typos. * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for mingw* targets. * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise. * testsuite/experimental/filesystem/operations/read_symlink.cc: Likewise. 2018-06-05 François Dumont * include/bits/stl_tempbuf.h (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by... (_Temporary_buffer(_FwdIte, size_type)): ...this, new. * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt. * include/bits/stl_algo.h (__stable_partition): Adapt. (__inplace_merge): Adapt. (__stable_sort): Adapt. 2018-06-04 Jonathan Wakely PR libstdc++/85930 * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include unconditionally. Remove redundant declaration. [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of alignment-specifier. * include/bits/postypes.h (fpos): Define special members as defaulted. PR libstdc++/85930 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align the static variable correctly. 2018-05-24 Jonathan Wakely PR libstdc++/78870 support std::filesystem on Windows * config.h.in: Regenerate. * configure: Regenerate. * configure.ac: Check for link, readlink and symlink. * include/bits/fs_path.h (path::operator/=(const path&)): Move definition out of class body. (path::is_absolute(), path::_M_append(path)): Likewise. (operator<<(basic_ostream, const path&)): Use std::quoted directly. (operator>>(basic_istream, path&)): Likewise. (u8path): Reorder definitions and fix Windows implementation. (path::is_absolute()): Define inline and fix for Windows. [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)): Define POSIX version inline. (path::_M_append(path)): Define inline. * include/experimental/bits/fs_path.h (path::is_absolute()): Move definition out of class body. (operator<<(basic_ostream, const path&)): Fix type of delimiter and escape characters. (operator>>(basic_istream, path&)): Likewise. (path::is_absolute()): Define inline and fix for Windows. * src/filesystem/dir-common.h (__gnu_posix): New namespace. (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent) (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir): Define as adaptors for Windows functions/types or as using-declarations for POSIX functions/types. (_Dir_base, get_file_type): Qualify names to use declarations from __gnu_posix namespace. (_Dir_base::is_dor_or_dotdot): New helper functions. * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify names to use declarations from __gnu_posix namespace. * src/filesystem/ops-common.h (__gnu_posix): New nested namespace. (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type) (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t) (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd) (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime) (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type): Define as adaptors for Windows functions/types or as using-declarations for POSIX functions/types. (stat_type, do_copy_file): Qualify names to use declarations from __gnu_posix namespace. (do_space): Declare new function. (make_file_type): Only use S_ISLNK if defined. * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use path::value_type not char. (filesystem::copy, create_dir, filesystem::create_directory): Qualify names to use declarations from __gnu_posix namespace. (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and add implementation for Windows. (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro. (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd. [!_PC_PATH_MAX]: Don't use pathconf. [PATH_MAX]: Use if defined. (filesystem::current_path(const path&, error_code&)) (filesystem::equivalent, do_stat, filesystem::hard_link_count) (filesystem::last_write_time, filesystem::permissions): Use names from __gnu_posix. (filesystem::read_symlink): Check HAVE_READLINK autoconf macro. (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add implementation for Windows. (filesystem::rename, filesystem::resize_file): Use names from __gnu_posix. (filesystem::space): Use do_space. [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory. (filesystem::status, filesystem::symlink_status): Use names from __gnu_posix. (filesystem::temp_directory_path): Add implementation for Windows. * src/filesystem/path.cc (dot): Define constant. (path::replace_extension): Use dot. (path::_M_find_extension): Likewise. Use path::string_type not std::string. (path::_M_split_cmpts): Use dot. (filesystem_error::_M_get_what): Use u8string() not native(). * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator): Qualify names to use declarations from __gnu_posix namespace. * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use correct error_code. (filesystem::absolute(const path&, error_code&)): Add implementation for Windows. (char_ptr, filesystem::canonical): Use path::value_type not char. (do_copy_file): Use names from __gnu_posix. [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or sendfile. (filesystem::copy, create_dir, filesystem::create_directory): Qualify names to use declarations from __gnu_posix namespace. (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and add implementation for Windows. (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro. (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd. [!_PC_PATH_MAX]: Don't use pathconf. [PATH_MAX]: Use if defined. (filesystem::current_path(const path&, error_code&)) (filesystem::equivalent, do_stat, filesystem::hard_link_count) (filesystem::last_write_time, filesystem::permissions): Use names from __gnu_posix. (filesystem::read_symlink): Check HAVE_READLINK autoconf macro. (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add implementation for Windows. (filesystem::rename, filesystem::resize_file): Use names from __gnu_posix. (do_space): Define. (filesystem::space): Use do_space. (filesystem::status, filesystem::symlink_status): Use names from __gnu_posix. (filesystem::temp_directory_path): Add implementation for Windows. * src/filesystem/std-path.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)): Define for Windows. (dot): Define constant. (path::replace_extension, is_dot): Use dot. (path::lexically_normal): Check _M_type instead of calling non-existent function. (path::_M_find_extension): Use dot. Use path::string_type not std::string. (path::_M_split_cmpts): Use dot. (filesystem_error::_M_get_what): Use u8string() not native(). * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not use symlinks. * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc: Likewise. * testsuite/27_io/filesystem/operations/absolute.cc: Use __gnu_test::root_path() instead of "/" and add Windows-specific tests. * testsuite/27_io/filesystem/operations/canonical.cc: Use path::string() to get narrow string, not path::native(). * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams with std::filesystem::path not std::basic_string. * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise. * testsuite/27_io/filesystem/operations/exists.cc: Use __gnu_test::root_path() instead of "/". * testsuite/27_io/filesystem/operations/is_empty.cc: Construct fstreams with std::filesystem::path not std::basic_string. * testsuite/27_io/filesystem/operations/last_write_time.cc: Use path::string() to get narrow string. * testsuite/27_io/filesystem/operations/space.cc: Check results for errors, expect sensible values otherwise. * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add helpers for adjusting the environment on Windows. * testsuite/27_io/filesystem/path/append/path.cc: Test Windows-specific behaviour. * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation of path::string_type objects. * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native string to wide string on Windows. * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow for backslash as root-directory. * testsuite/27_io/filesystem/path/decompose/stem.cc: Use path::string() to get narrow string. * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style paths. * testsuite/27_io/filesystem/path/native/string.cc: Use string_type not std::string. * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for different definintion of absolute paths on Windows. * testsuite/experimental/filesystem/iterators/directory_iterator.cc: Do not use symlinks. * testsuite/experimental/filesystem/operations/absolute.cc: Test Windows behaviour. * testsuite/experimental/filesystem/operations/copy.cc: Construct fstreams with NTCTS not std::basic_string. * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise. * testsuite/experimental/filesystem/operations/exists.cc: Use __gnu_test::root_path() instead of "/". * testsuite/experimental/filesystem/operations/is_empty.cc: Construct fstreams with NTCTS not std::basic_string. * testsuite/experimental/filesystem/operations/last_write_time.cc: Use path::string() to get narrow string. * testsuite/experimental/filesystem/operations/space.cc: Use __gnu_test::root_path() instead of "/". * testsuite/experimental/filesystem/operations/temp_directory_path.cc: Add helpers for adjusting the environment on Windows. * testsuite/experimental/filesystem/path/append/path.cc: Use path::string() to get narrow strings for comparisons. * testsuite/experimental/filesystem/path/concat/path.cc: Likewise. * testsuite/experimental/filesystem/path/decompose/root_directory.cc: Likewise. * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise. * testsuite/experimental/filesystem/path/native/string.cc: Use string_type not std::string. * testsuite/experimental/filesystem/path/query/is_absolute.cc: Adjust for different definintion of absolute paths on Windows. * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New function. (__gnu_test::scoped_file): Construct fstreams with NTCTS not std::basic_string. 2018-05-31 Jonathan Wakely PR libstdc++/85951 * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define uint_least16_t and uint_least32_t. (__make_unsigned): Define unconditionally. (__make_unsigned_selector<_Tp, true, false>): Remove intermediate typedefs. (__make_unsigned_selector_base): New type to provide helper templates. (__make_unsigned_selector<_Tp, false, true>): Reimplement using __make_unsigned_selector_base helpers. (__make_unsigned, __make_unsigned): Define. (__make_signed_selector<_Tp, true, false>): Remove intermediate typedefs. (__make_signed, __make_signed) (__make_signed)): Define unconditionally. * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check wchar_t, char16_t and char32_t are transformed correctly. * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust dg-error lineno. * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check wchar_t, char16_t and char32_t are transformed correctly. * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust dg-error lineno. 2018-05-29 Jonathan Wakely * include/std/variant (__erased_dtor): Qualify call to __get. 2018-05-27 François Dumont * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New. (_Rb_tree(const allocator_type&)): Use latter. * include/bits/stl_map.h (map(const allocator_type&)): Likewise. (map(initializer_list, const allocator_type&)): Likewise. (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise. * include/bits/stl_multimap.h (multimap(const allocator_type&)): Likewise. (multimap(initializer_list, const allocator_type&)): Likewise. (multimap(_InputIterator, _InputIterator, const allocator_type&)): Likewise. * include/bits/stl_set.h (set(const allocator_type&)): Likewise. (set(initializer_list, const allocator_type&)): Likewise. (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise. * include/bits/stl_multiset.h (multiset(const allocator_type&)): Likewise. (multiset(initializer_list, const allocator_type&)): Likewise. (multiset(_InputIterator, _InputIterator, const allocator_type&)): Likewise. 2018-05-25 François Dumont PR libstdc++/85768 * src/c++11/debug.cc: Remove backtrace usage. 2018-05-24 Maya Rashish PR target/85904 * crossconfig.m4: Test for aligned_alloc on netbsd. * configure: Regenerate. 2018-05-24 Jonathan Wakely PR libstdc++/69769 PR libstdc++/85886 * include/bits/atomic_base.h (__atomic_base::value_type) (__atomic_base::difference_type): Add new typedefs. * include/std/atomic (atomic::value_type, atomic::value_type) (atomic::value_type, atomic::difference_type): Likewise. (atomic::operator++, atomic::operator--) (atomic::operator+=, atomic::operator-=) (atomic::fetch_add, atomic::fetch_sub): Add static assertion to enforce C++17 requirement on pointer arithmetic. (__atomic_val_t, __atomic_diff_t): New alias templates. (atomic_init, atomic_store_explicit, atomic_exchange_explicit) (atomic_compare_exchange_weak_explicit) (atomic_compare_exchange_strong_explicit, atomic_store) (atomic_exchange, atomic_compare_exchange_weak) (atomic_compare_exchange_strong): Use __atomic_val_t to make scalar parameters be non-deduced contexts. (atomic_fetch_add_explicit, atomic_fetch_sub_explicit) (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be atomic instead of __atomic_base, and use __atomic_diff_t for scalar parameters. (atomic_fetch_and_explicit, atomic_fetch_or_explicit) (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or) (atomic_fetch_xor): Use __atomic_val_t for scalar parameters. (atomic_fetch_add_explicit, atomic_fetch_sub_explicit) (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic address types. * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno. * testsuite/29_atomics/atomic/69769.cc: New test. * testsuite/29_atomics/atomic/nonmembers.cc: New test. * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc: Disable test for C++17 and later. * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test. * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test. * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New test. 2018-05-23 Jonathan Wakely * include/bits/fs_path.h (path::__is_encoded_char): Change from class template to alias template. (path::__value_type_is_char): Use remove_const_t. (path:_S_string_from_iter): New helper function. (path::_S_convert(InputIter, __null_terminated)) (path::_S_convert_loc(InputIter, __null_terminated, const locale&)): Use _S_string_from_iter. (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing rep for COW strings. * include/experimental/bits/fs_path.h (path::__is_encoded_char): Change from class template to alias template. (path::__value_type_is_char): Use remove_const. (path:_S_string_from_iter): New helper function. (path::_S_convert(InputIter, __null_terminated)) (path::_S_convert_loc(InputIter, __null_terminated, const locale&)): Use _S_string_from_iter. * testsuite/27_io/filesystem/path/append/source.cc: Test appending wide strings. * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact string equality, not path equivalence. * testsuite/27_io/filesystem/path/construct/format.cc: Check construction from std::string and std::wstring and input iterators. * testsuite/27_io/filesystem/path/construct/locale.cc: Check construction from iterators. * testsuite/experimental/filesystem/path/concat/strings.cc: Check for exact string equality, not path equivalence. * testsuite/experimental/filesystem/path/construct/locale.cc: Check construction from iterators. * include/bits/fs_path.h (path::_M_type): Change default member initializer to _Filename. (path::begin): Create past-the-end iterator for empty path. * src/filesystem/std-path.cc (path::remove_filename()): Remove debugging check. (path::has_relative_path()): Return false for empty filenames. (path::_M_split_cmpts): Set _M_type to _Filename for empty paths. Fix offset of empty final component. * testsuite/27_io/filesystem/path/itr/components.cc: New. * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs. 2018-05-21 Jonathan Wakely Add support for opening file streams from wide character strings. * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN] (__basic_file::open(const wchar_t*, ios_base::openmode)): Define new overload. * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN] (__basic_file::open(const wchar_t*, ios_base::openmode)): Declare new overload. * configure.ac: Check for _wfopen. * crossconfig.m4: Likewise. * configure: Regenerate. * config.h.in: Regenerate. * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN] (basic_filebuf::open(const wchar_t*, ios_base::openmode)): Define new overload. * include/std/fstream [_GLIBCXX_HAVE__WFOPEN] (basic_filebuf::open(const wchar_t*, ios_base::openmode)): Declare new overload. [_GLIBCXX_HAVE__WFOPEN] (basic_ifstream::basic_ifstream(const wchar_t*, openmode)) (basic_ifstream::basic_open(const wchar_t*, openmode)) (basic_ofstream::basic_ifstream(const wchar_t*, openmode)) (basic_ofstream::basic_open(const wchar_t*, openmode)) (basic_fstream::basic_ifstream(const wchar_t*, openmode)) (basic_fstream::basic_open(const wchar_t*, openmode)): Define new overloads. * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New. * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New. * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New. * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New. * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New. * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New. * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New. 2018-05-21 François Dumont PR libstdc++/85845 * include/bits/stl_tree.h (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept qualification. 2018-05-21 Jonathan Wakely * src/filesystem/std-ops.cc (absolute): Report an error for empty paths. (weakly_canonical(const path&)): Do not call canonical on empty path. (weakly_canonical(const path&, error_code&)): Likewise. * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors. PR libstdc++/85818 * testsuite/experimental/filesystem/path/preferred_separator.cc: Add dg-require-filesystem-ts. PR libstdc++/85843 * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly initialize base class to avoid warnings. 2018-05-19 Jonathan Wakely * src/c++11/codecvt.cc (__codecvt_utf8_base::do_in) [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set little_endian element in bitmask. * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests. * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New. 2018-05-18 François Dumont * include/bits/stl_tree.h (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New. (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter. (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New. (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters. * include/debug/map.h (map(map&&, const_allocator_type&)): Add noexcept qualitication. * include/debug/multimap.h (multimap(multimap&&, const_allocator_type&)): Likewise. * include/debug/set.h (set(set&&, const_allocator_type&)): Likewise. * include/debug/multiset.h (multiset(multiset&&, const_allocator_type&)): Likewise. * testsuite/23_containers/map/cons/noexcept_default_construct.cc: Add checks. * testsuite/23_containers/map/cons/noexcept_move_construct.cc: Add checks. * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc: Add checks. * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc: Add checks. * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc: Add checks. * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc: Add checks. * testsuite/23_containers/set/cons/noexcept_default_construct.cc: Add checks. * testsuite/23_containers/set/cons/noexcept_move_construct.cc: Add checks. 2018-05-18 Jason Merrill * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor for conversion to const_iterator. Add defaulted copy ops. * libsupc++/new (bad_alloc): Add defaulted copy ops. * libsupc++/exception.h (exception): Add defaulted copy ops. * include/std/system_error (system_error): Add defaulted copy ops. * include/std/stdexcept (domain_error, invalid_argument) (length_error, out_of_range, range_error, overflow_error) (underflow_error): Add defaulted copy ops. * include/bits/stl_iterator.h (reverse_iterator): Add defaulted copy assignment. * include/bits/allocator.h (allocator): Add defaulted copy assignment. * include/ext/throw_allocator.h (condition_base): Add defaulted default and copy ctor and copy assignment. 2018-05-18 Jonathan Wakely PR libstdc++/85098 * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase) (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate) (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended) (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add definitions. * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust whitespace. * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add braces around body of do-while. * testsuite/28_regex/basic_regex/85098.cc: New 2018-05-17 Jonathan Wakely PR libstdc++/85818 * src/filesystem/path.cc (path::preferred_separator): Add used attribute. * testsuite/experimental/filesystem/path/preferred_separator.cc: New. PR libstdc++/85812 * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare. * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]: Refactor to separate non-throwing and throwing implementations. [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory if constructing the object throws. 2018-05-15 Jonathan Wakely PR libstdc++/85749 * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper. (linear_congruential_engine, mersenne_twister_engine) (subtract_with_carry_engine, discard_block_engine) (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to constrain function templates taking seed sequences. * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&)) (mersenne_twister_engine::seed(_Sseq&)) (subtract_with_carry_engine::seed(_Sseq&)): Change return types to match declarations. * include/ext/random (simd_fast_mersenne_twister_engine): Use __is_seed_seq to constrain function templates taking seed sequences. * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed): Change return type to match declaration. * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc: New. * testsuite/26_numerics/random/independent_bits_engine/cons/ seed_seq2.cc: New. * testsuite/26_numerics/random/linear_congruential_engine/cons/ seed_seq2.cc: New. * testsuite/26_numerics/random/mersenne_twister_engine/cons/ seed_seq2.cc: New. * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno. * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc: New. * testsuite/26_numerics/random/subtract_with_carry_engine/cons/ seed_seq2.cc: New. * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/ seed_seq2.cc: New. PR libstdc++/83891 * include/bits/fs_path.h (path::is_absolute()): Use same definition for all operating systems. * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise. * testsuite/27_io/filesystem/path/query/is_absolute.cc: New. * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment. * testsuite/experimental/filesystem/path/query/is_absolute.cc: New. * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove unused header. * testsuite/27_io/filesystem/path/query/empty.cc: Likewise. * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise. * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise. * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise. * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise. * testsuite/27_io/filesystem/path/query/has_root_directory.cc: Likewise. * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise. * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise. * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise. * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise. * testsuite/experimental/filesystem/path/decompose/extension.cc: Likewise. * testsuite/experimental/filesystem/path/query/empty.cc: Likewise. * testsuite/experimental/filesystem/path/query/has_extension.cc: Likewise. * testsuite/experimental/filesystem/path/query/has_filename.cc: Likewise. * testsuite/experimental/filesystem/path/query/has_parent_path.cc: Likewise. * testsuite/experimental/filesystem/path/query/has_relative_path.cc: Likewise. * testsuite/experimental/filesystem/path/query/has_root_directory.cc: Likewise. * testsuite/experimental/filesystem/path/query/has_root_name.cc: Likewise. * testsuite/experimental/filesystem/path/query/has_root_path.cc: Likewise. * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise. * testsuite/experimental/filesystem/path/query/is_relative.cc: Likewise. PR libstdc++/84159 * include/bits/fs_path.h (path::operator/=, path::append): Construct temporary path before calling _M_append. (path::_M_append): Change parameter to path and implement C++17 semantics. * testsuite/27_io/filesystem/path/append/path.cc: Add helper function and more examples from the standard. * testsuite/27_io/filesystem/path/append/source.cc: New. * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment. * testsuite/27_io/filesystem/path/nonmember/append.cc: New. * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify __invoke to prevent ADL. 2018-05-14 Jonathan Wakely PR libstdc++/81256 * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow exceptions from _M_terminate_output(). * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any exceptions from close(). * testsuite/27_io/basic_filebuf/close/81256.cc: New. * include/bits/valarray_array.h (__valarray_get_memory): Remove. (__valarray_get_storage): Call operator new directly. Remove ignored top-level restrict qualifier and add malloc attribute instead. (_Array<_Tp>::_Array(size_t)): Remove unused constructor. PR libstdc++/67554 * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>) (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy. PR libstdc++/82966 * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value instead of type. * testsuite/23_containers/set/modifiers/node_swap.cc: New. 2018-05-13 Ville Voutilainen PR libstdc++/80165 * testsuite/20_util/variant/80165.cc: New. 2018-05-10 Jonathan Wakely * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer. * doc/xml/manual/debug_mode.xml: Add array and forward_list to list of C++11 containers with Debug Mode support. * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure. * doc/html/*: Regenerate. 2018-05-10 Jason Merrill * include/bits/regex_compiler.h (_S_cache_size): Change from function to variable. 2018-05-10 Edward Smith-Rowland <3dw4rd@verizon.net> PR libstdc++/83140 - assoc_legendre returns negated value when m is odd * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase argument defaulted to +1. Doxy comments on same. * testsuite/special_functions/02_assoc_legendre/ check_value.cc: Regen. * testsuite/tr1/5_numerical_facilities/special_functions/ 02_assoc_legendre/check_value.cc: Regen. 2018-05-10 Jonathan Wakely PR libstdc++/85729 * include/bits/c++config.h (__replacement_assert): Add linkage specification. * include/bits/std_abs.h: Add comment to closing brace of block. * include/c_global/cstddef: Add linkage specification. * include/c_global/cstring: Likewise. * include/c_global/cwchar: Likewise. 2018-05-09 François Dumont * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()): Rename in... (_Safe_iterator<>::_S_constant()): ...that. * include/debug/safe_local_iterator.h (_Safe_local_iterator<>::_M_constant()): Rename in... (_Safe_local_iterator<>::_S_constant()): ...that. * include/debug/formatter.h: Remove bits/cpp_type_traits.h include. (_Iterator_state::__rbegin): New. (_Iterator_state::__rmiddle): New. (_Iterator_state::__rend): New. (_Parameter::_Parameter(const _Safe_iterator<>&, const char*, _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying iterator type. (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*, _Is_iterator)): Likewise. (_Parameter::_S_reverse_state(_Iterator_state)): New. (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*, _Is_iterator)): New. (_Parameter(std::reverse_iterator<> const&, const char*, _Is_iterator)): New. (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&, const char*, _Is_iterator)): New. (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator): New. (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*, _Is_iterator)): New. * testsuite/24_iterators/move_iterator/debug_neg.cc: New. * testsuite/24_iterators/normal_iterator/debug_neg.cc: New. * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New. 2018-05-09 Jonathan Wakely * include/bits/std_function.h (_Base_manager::_M_get_pointer): Use constexpr if in C++17 mode. (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)): Copy from const object. * testsuite/20_util/function/cons/non_copyconstructible.cc: New. 2018-05-08 François Dumont * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h. [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render backtrace. * include/debug/macros.h (__glibcxx_check_valid_range_at): New. * include/debug/functions.h (__check_valid_range): Use latter. * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New, use latter. * include/debug/deque (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter. * include/debug/forward_list (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise. * include/debug/list (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise. * include/debug/list (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise. * include/debug/map.h (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise. (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)): Likewise. * include/debug/multimap.h (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise. (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)): Likewise. * include/debug/set.h (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise. (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)): Likewise. * include/debug/multiset.h (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise. (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)): Likewise. * include/debug/string (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise. * include/debug/unordered_map (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise. (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise. * include/debug/unordered_set (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise. (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise. * include/debug/vector (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter. * include/debug/formatter.h (_Error_formatter::_M_function): New. (_Error_formatter(const char*, unsigned int)): Adapt. (_Error_formatter::_M_at): Rename in... (_Error_formatter::_S_at): ...that and adapt. * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New. (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt. * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function when available. 2018-05-08 Jonathan Wakely * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA): Use normal std::vector even in Debug Mode. PR libstdc++/85672 * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero. * include/Makefile.in: Regenerate. * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition within conditional block. 2018-05-07 Jonathan Wakely * doc/xml/manual/using.xml (table.cmd_options): Document that the C++17 Filesystem implementation also needs -lstdc++fs. PR libstdc++/85671 * include/bits/fs_path.h (operator/): Permit copy elision. * include/experimental/bits/fs_path.h (operator/): Likewise. 2018-05-07 Edward Smith-Rowland <3dw4rd@verizon.net> Moar PR libstdc++/80506 * include/bits/random.tcc (gamma_distribution::__generate_impl()): Fix magic number used in loop condition. 2018-05-04 Jonathan Wakely PR libstdc++/85642 fix is_nothrow_default_constructible> * include/std/optional (_Optional_payload): Add noexcept to default constructor. Re-indent. (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to constructor for copying disengaged payloads. (_Optional_payload<_Tp, true, false, true>): Likewise. (_Optional_payload<_Tp, true, true, false>): Likewise. (_Optional_payload<_Tp, true, false, false>): Likewise. * testsuite/20_util/optional/cons/85642.cc: New. * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines. 2018-05-03 Jonathan Wakely PR libstdc++/82644 * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use inline definitions instead of using-declarations. [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise. * testsuite/tr1/5_numerical_facilities/special_functions/ 07_conf_hyperg/compile_cxx17.cc: New. * testsuite/tr1/5_numerical_facilities/special_functions/ 17_hyperg/compile_cxx17.cc: New. PR libstdc++/84769 * include/std/variant (visit): Qualify std::get call. PR libstdc++/85632 use uintmax_t for arithmetic * src/filesystem/ops.cc (experimental::filesystem::space): Perform arithmetic in result type. * src/filesystem/std-ops.cc (filesystem::space): Likewise. * testsuite/27_io/filesystem/operations/space.cc: Check total capacity is greater than free space. * testsuite/experimental/filesystem/operations/space.cc: New. * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New. * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc: New. * testsuite/20_util/remove_cvref/value.cc: New. * testsuite/20_util/remove_cvref/value_ext.cc: New. PR libstdc++/84087 LWG DR 2268 basic_string default arguments * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1] (append(const basic_string&, size_type, size_type) (assign(const basic_string&, size_type, size_type) (insert(size_type, const basic_string&, size_type, size_type) (replace(size_type,size_type,const basic_string&,size_type,size_type) (compare(size_type,size_type,constbasic_string&,size_type,size_type)): Add default arguments (LWG 2268). [_GLIBCXX_USE_CXX11_ABI=0] (append(const basic_string&, size_type, size_type) (assign(const basic_string&, size_type, size_type) (insert(size_type, const basic_string&, size_type, size_type) (replace(size_type,size_type,const basic_string&,size_type,size_type) (compare(size_type,size_type,constbasic_string&,size_type,size_type)): Likewise. * testsuite/21_strings/basic_string/dr2268.cc: New test. PR libstdc++/84535 * include/std/thread (thread::__not_same): New SFINAE helper. (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that first argument is not a std::thread. Add static assertion to check INVOKE expression is valid. (thread::thread(thread&), thread::thread(const thread&&)): Remove. (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use __invoke_result for return types and remove exception specifications. * testsuite/30_threads/thread/cons/84535.cc: New. * include/std/future (__async_result_of): Use __invoke_result instead of result_of. * include/std/any (any_cast): Use __remove_cvref_t. * include/std/tuple (__make_tuple): Likewise. * include/std/type_traits (__remove_cvref_t): Define. (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t. [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define. * include/std/variant (__erased_hash): Use __remove_cvref_t. 2018-05-02 François Dumont * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to ensure overloaded comma not used. * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise. * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise. * include/bits/stl_bvector.h (vector::_M_assign_aux): Likewise. * testsuite/23_containers/deque/modifiers/assign/1.cc: New. * testsuite/23_containers/list/modifiers/assign/1.cc: New. * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New. * testsuite/23_containers/vector/modifiers/assign/1.cc: New. 2018-05-02 Jonathan Wakely PR libstdc++/68197 * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast indices to unsigned. * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices as failure. Refactor error handling. * testsuite/27_io/ios_base/storage/68197.cc: New. PR libstdc++/57997 PR libstdc++/83860 * include/bits/gslice_array.h (gslice_array): Define default constructor as deleted, as per C++11 standard. * include/bits/mask_array.h (mask_array): Likewise. * include/bits/slice_array.h (slice_array): Likewise. * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move to namespace __detail. (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data members. * include/bits/valarray_before.h (_ValArrayRef): New helper for type of data members in closure objects. (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase) (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace __detail. (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1) (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2) (_SBase::_M_expr): Use _ValArrayRef for type of data members. * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos) (_ValFunClos, _RefFunClos): Move to namespace __detail and add using-declarations to namespace std. * testsuite/26_numerics/valarray/83860.cc: New. * testsuite/backward/strstream_move.cc: Remove duplicate function call. PR libstdc++/69608 * include/backward/strstream (strstreambuf): Define move constructor and move assignment operator. (istrstream, ostrstream, strstream): Likewise. * testsuite/backward/strstream_move.cc: New. 2018-05-01 Tulio Magno Quites Machado Filho PR libstdc++/84654 * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128. * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128. * configure: Regenerate. * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128 based on ENABLE_FLOAT128. * include/Makefile.in: Regenerate. * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128. [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine _GLIBCXX_USE_FLOAT128. 2018-04-24 H.J. Lu * configure: Regenerated. 2018-04-19 Jakub Jelinek * configure: Regenerated. 2018-04-18 Jonathan Wakely Jakub Jelinek PR libstdc++/85442 * src/c++11/Makefile.am: Don't generate debuginfo again for cxx11-ios_failure-lt.s and cxx11-ios_failure.s files. * src/c++11/Makefile.in: Regenerate. 2018-04-18 Jonathan Wakely PR libstdc++/84442 * testsuite/30_threads/thread/cons/terminate.cc [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit. 2018-04-18 David Malcolm PR jit/85384 * configure: Regenerate. 2018-04-16 Jonathan Wakely * testsuite/experimental/filesystem/file_status/1.cc: Add -DUSE_FILESYSTEM_TS to dg-options. * testsuite/experimental/filesystem/iterators/directory_iterator.cc: Likewise. * testsuite/experimental/filesystem/iterators/pop.cc: Likewise. * testsuite/experimental/filesystem/iterators/ recursive_directory_iterator.cc: Likewise. * testsuite/experimental/filesystem/operations/absolute.cc: Likewise. * testsuite/experimental/filesystem/operations/canonical.cc: Likewise. * testsuite/experimental/filesystem/operations/copy.cc: Likewise. * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise. * testsuite/experimental/filesystem/operations/create_directories.cc: Likewise. * testsuite/experimental/filesystem/operations/create_directory.cc: Likewise. * testsuite/experimental/filesystem/operations/create_symlink.cc: Likewise. * testsuite/experimental/filesystem/operations/current_path.cc: Likewise. * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise. * testsuite/experimental/filesystem/operations/exists.cc: Likewise. * testsuite/experimental/filesystem/operations/file_size.cc: Likewise. * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise. * testsuite/experimental/filesystem/operations/last_write_time.cc: Likewise. * testsuite/experimental/filesystem/operations/permissions.cc: Likewise. * testsuite/experimental/filesystem/operations/read_symlink.cc: Likewise. * testsuite/experimental/filesystem/operations/remove.cc: Likewise. * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise. * testsuite/experimental/filesystem/operations/status.cc: Likewise. * testsuite/experimental/filesystem/operations/temp_directory_path.cc: Likewise. * testsuite/experimental/filesystem/path/append/path.cc: Likewise. * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise. * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise. * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise. * testsuite/experimental/filesystem/path/compare/path.cc: Likewise. * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise. * testsuite/experimental/filesystem/path/concat/path.cc: Likewise. * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise. * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise. * testsuite/experimental/filesystem/path/construct/default.cc: Likewise. * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise. * testsuite/experimental/filesystem/path/construct/range.cc: Likewise. * testsuite/experimental/filesystem/path/construct/string_view.cc: Likewise. * testsuite/experimental/filesystem/path/decompose/extension.cc: Likewise. * testsuite/experimental/filesystem/path/decompose/filename.cc: Likewise. * testsuite/experimental/filesystem/path/decompose/parent_path.cc: Likewise. * testsuite/experimental/filesystem/path/decompose/relative_path.cc: Likewise. * testsuite/experimental/filesystem/path/decompose/root_directory.cc: Likewise. * testsuite/experimental/filesystem/path/decompose/root_name.cc: Likewise. * testsuite/experimental/filesystem/path/decompose/root_path.cc: Likewise. * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise. * testsuite/experimental/filesystem/path/generic/generic_string.cc: Likewise. * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise. * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise. * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc: Likewise. * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc: Likewise. * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc: Likewise. * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc: Likewise. * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise. * testsuite/experimental/filesystem/path/native/string.cc: Likewise. * testsuite/experimental/filesystem/path/nonmember/hash_value.cc: Likewise. * testsuite/experimental/filesystem/path/query/empty.cc: Likewise. * testsuite/experimental/filesystem/path/query/has_extension.cc: Likewise. * testsuite/experimental/filesystem/path/query/has_filename.cc: Likewise. * testsuite/experimental/filesystem/path/query/has_parent_path.cc: Likewise. * testsuite/experimental/filesystem/path/query/has_relative_path.cc: Likewise. * testsuite/experimental/filesystem/path/query/has_root_directory.cc: Likewise. * testsuite/experimental/filesystem/path/query/has_root_name.cc: Likewise. * testsuite/experimental/filesystem/path/query/has_root_path.cc: Likewise. * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise. * testsuite/experimental/filesystem/path/query/is_relative.cc: Likewise. 2018-04-13 Jonathan Wakely * src/c++11/Makefile.am: Fix sed command. * src/c++11/Makefile.in: Regenerate. * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to handle mangled names starting with double underscores on darwin. * src/c++11/Makefile.in: Regenerate. 2018-04-12 Jonathan Wakely * src/c++11/Makefile.am: Fix comment. * src/c++11/Makefile.in: Regenerate. * src/c++11/cxx11-ios_failure.cc: Fix comment. * src/c++98/ios_failure.cc: Likewise. * src/c++11/ios.cc: Remove redundant macro definition. 2018-04-11 Jonathan Wakely * doc/xml/manual/abi.xml: Document header locations in recent releases. * doc/xml/manual/evolution.xml: Add API changes since GCC 5. * doc/xml/manual/spine.xml: Update copyright years. * doc/xml/manual/strings.xml: Adjust tolower example to avoid undefined behaviour. * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests. * doc/html/*: Regenerate. 2018-04-10 Jonathan Wakely * doc/xml/faq.xml: Update links to archived copy of SGI STL docs. * doc/xml/manual/backwards_compatibility.xml: Likewise. * doc/xml/manual/containers.xml: Likewise. * doc/xml/manual/debug_mode.xml: Likewise. * doc/xml/manual/extensions.xml: Likewise. * doc/xml/manual/policy_data_structures_biblio.xml: Likewise. * doc/xml/manual/using.xml: Likewise. * doc/xml/manual/utilities.xml: Likewise. PR libstdc++/85222 * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for cxx11-ios_failure.cc to rewrite type info for __ios_failure. * src/c++11/Makefile.in: Regenerate. * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info): New types. [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here. * src/c++11/ios.cc (__throw_ios_failure): Remove definition. * src/c++98/ios_failure.cc (__construct_ios_failure) (__destroy_ios_failure, is_ios_failure_handler): New functions. [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here. * testsuite/27_io/ios_base/failure/dual_abi.cc: New. * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to handler types, to always catch std::ios_base::failure. * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise. * testsuite/27_io/basic_istream/extractors_arithmetic/char/ exceptions_failbit.cc: Likewise. * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/ exceptions_failbit.cc: Likewise. * testsuite/27_io/basic_istream/extractors_other/char/ exceptions_null.cc: Likewise. * testsuite/27_io/basic_istream/extractors_other/wchar_t/ exceptions_null.cc: Likewise. * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise. * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise. * testsuite/27_io/basic_ostream/inserters_other/char/ exceptions_null.cc: Likewise. * testsuite/27_io/basic_ostream/inserters_other/wchar_t/ exceptions_null.cc: Likewise. * testsuite/27_io/ios_base/storage/2.cc: Likewise. 2018-04-05 Jonathan Wakely * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify __get calls to avoid ADL and avoid ambiguity due to Clang bug. 2018-04-03 Jonathan Wakely PR libstdc++/85183 * include/std/variant (_Move_assign_base::operator=): Fix incorrect value categories. * testsuite/20_util/variant/85183.cc: New. 2018-03-26 Jonathan Wakely * include/std/variant (__get): Qualify calls to avoid ADL. (__select_index): Adjust whitespace. (variant): Add using-declaration to workaround Clang bug. 2018-03-22 Jonathan Wakely PR libstdc++/85040 * include/bits/stl_function.h (greater::__not_overloaded) (less::__not_overloaded, greater_equal::__not_overloaded) (less_equal::__not_overloaded): Fix ambiguous specializations. * testsuite/20_util/function_objects/comparisons_pointer.cc: Add tests for type with overloaded operators. 2018-03-22 Rainer Orth PR libstdc++/77691 * testsuite/experimental/memory_resource/resource_adaptor.cc: xfail execution on 32-bit Solaris/x86. 2018-03-21 Jonathan Wakely * testsuite/20_util/function_objects/comparisons_pointer.cc: Use VERIFY instead of assert. * testsuite/20_util/hash/84998.cc: New test. * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New copy of test adjusted for Debug Mode. * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run test in Debug Mode. 2018-03-20 François Dumont PR libstdc++/84998 * include/bits/stl_bvector.h: Fix std::hash friend declaration. * include/std/bitset: Likewise. * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend declaration. * include/bits/stl_multimap.h (std::multimap<>): Likewise. * include/bits/stl_multiset.h (std::multiset<>): Likewise. * include/bits/stl_set.h (std::set<>): Likewise. * include/bits/unordered_map.h (std::unordered_map<>): Fix _Hash_merge_helper friend declaration. (std::unordered_multimap<>): Likewise. * include/bits/unordered_set.h (std::unordered_set<>): Likewise. (std::unordered_multiset<>): Likewise. 2018-03-19 Gerald Pfeifer * doc/xml/api.xml: www.fsf.org has moved to https. Also omit trailing slash for domain level link. * doc/xml/faq.xml: Ditto. * doc/xml/manual/appendix_free.xml (software): Ditto. * doc/xml/manual/intro.xml: Ditto. * doc/xml/manual/spine.xml: Ditto. * doc/xml/spine.xml: Ditto. 2018-03-19 Gerald Pfeifer * doc/xml/manual/documentation_hacking.xml: Adjust link to docbook.org. 2018-03-17 Jonathan Wakely * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust to compile as C++98. 2018-03-14 Jonathan Wakely PR libstdc++/78420 * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>) (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations to ensure total order for pointers. (greater, less, greater_equal, less_equal): Add operator() overloads for pointer arguments and make generic overloads dispatch to new _S_cmp functions when comparisons would use built-in operators for pointers. * testsuite/20_util/function_objects/comparisons_pointer.cc: New. 2018-03-12 Jonathan Wakely PR libstdc++/84773 PR libstdc++/83662 * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32. * configure: Regenerate. * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC] (aligned_alloc): Add using-declaration. * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test. 2018-03-09 François Dumont * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary): Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers registration. 2018-03-09 Jonathan Wakely PR libstdc++/84769 * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>): Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>. src/filesystem/ops.cc (create_dir): Pass error_code to is_directory. src/filesystem/std-ops.cc (create_dir): Likewise. 2018-03-08 François Dumont * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New. (StdListIteratorPrinter): Inherit from latter. (StdFwdListIteratorPrinter): New, inherit from latter. (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer when iterator has no associated container. (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace registrations. * testsuite/libstdc++-prettyprinters/debug.cc: Adapt. * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt. 2018-03-06 Ville Voutilainen PR libstdc++/84601 * include/std/optional (_Optional_payload): Split into multiple specializations that can handle different cases of trivial or non-trivial assignment operators. * testsuite/20_util/optional/84601.cc: New. * testsuite/20_util/optional/cons/value_neg.cc: Adjust. 2018-03-02 Jonathan Wakely PR libstdc++/84671 * include/bits/parse_numbers.h (_Number_help): Add partial specialization to handle digit separators. Adjust partial specialization for recursion temrination to require _Pow == 1ULL. * testsuite/20_util/duration/literals/84671.cc: New 2018-02-27 Ville Voutilainen Implement the missing bits of LWG 2769 * include/std/any (any_cast(const any&)): Add static_assert. (any_cast(any&)): Likewise. (any_cast(any&&)): Likewise, and remove the handling for copyable-but-not-movable type. * testsuite/20_util/any/misc/any_cast.cc: Adjust. * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and add new tests. 2018-02-23 Jonathan Wakely PR libstdc++/84532 * include/std/thread (thread::__make_invoker): Construct tuple directly instead of using make_tuple. * testsuite/30_threads/async/84532.cc: New. * testsuite/30_threads/thread/84532.cc: New. 2018-02-20 François Dumont * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION] (template<> __aligned_buffer): Define as __aligned_membuf alias. 2018-02-19 Igor Tsimbalist PR target/84148 * configure: Regenerate. 2018-02-15 Jonathan Wakely PR libstdc++/81797 * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define. * configure: Regenerate. * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when defined. * include/Makefile.in: Regenerate. 2018-01-29 Jonathan Wakely PR libstdc++/83833 * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: Add -ffloat-store to options for m68k and ia32. * doc/xml/faq.xml: Update copyright years. * doc/html/*: Regenerate. PR libstdc++/83658 * include/std/any (any::__do_emplace): Only set _M_manager after constructing the contained object. * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line. * testsuite/20_util/any/modifiers/83658.cc: New test. 2018-01-25 Jonathan Wakely PR libstdc++/81076 * include/c_global/cstddef (__byte_operand): Define primary template. * testsuite/18_support/byte/81076.cc: New test. 2018-01-19 Christophe Lyon * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix dg-options and dg-add-options order. * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise. * testsuite/ext/special_functions/conf_hyperg/check_nan.cc: Likewise. * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise. * testsuite/special_functions/01_assoc_laguerre/check_nan.cc: Likewise. * testsuite/special_functions/02_assoc_legendre/check_nan.cc: Likewise. * testsuite/special_functions/03_beta/check_nan.cc: Likewise. * testsuite/special_functions/04_comp_ellint_1/check_nan.cc: Likewise. * testsuite/special_functions/05_comp_ellint_2/check_nan.cc: Likewise. * testsuite/special_functions/06_comp_ellint_3/check_nan.cc: Likewise. * testsuite/special_functions/06_comp_ellint_3/pr66689.cc: Likewise. * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc: Likewise. * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc: Likewise. * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc: Likewise. * testsuite/special_functions/10_cyl_neumann/check_nan.cc: Likewise. * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise. * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise. * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise. * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise. * testsuite/special_functions/14_expint/check_nan.cc: Likewise. * testsuite/special_functions/15_hermite/check_nan.cc: Likewise. * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise. * testsuite/special_functions/17_legendre/check_nan.cc: Likewise. * testsuite/special_functions/18_riemann_zeta/check_nan.cc: Likewise. * testsuite/special_functions/19_sph_bessel/check_nan.cc: Likewise. * testsuite/special_functions/20_sph_legendre/check_nan.cc: Likewise. * testsuite/special_functions/21_sph_neumann/check_nan.cc: Likewise. 2018-01-18 Uros Bizjak * configure.ac (AC_CHECK_HEADERS): Add linux/types.h. Conditionally include linux/types.h when checking linux/random.h header. * config.h.in: Regenerate. * configure: Ditto. * src/c++11/random.cc: Conditionally include linux/types.h. 2018-01-16 Eric Botcazou * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux. 2018-01-16 Jonathan Wakely PR libstdc++/83834 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard pattern with exact match for std::cerr. 2018-01-15 Jonathan Wakely PR libstdc++/83833 * include/bits/random.h (chi_squared_distribution::param): Update gamma distribution parameter. * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New test. PR libstdc++/83830 * include/std/type_traits (has_unique_object_representations_v): Add variable template. * testsuite/20_util/has_unique_object_representations/value.cc: Check variable template. 2018-01-15 Ville Voutilainen Make optional conditionally trivially_{copy,move}_{constructible,assignable} * include/std/optional (_Optional_payload): Fix the comment in the class head and turn into a primary and one specialization. (_Optional_payload::_M_engaged): Strike the NSDMI. (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)): New. (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)): Likewise. (_Optional_payload<_Tp, false>::_M_get): Likewise. (_Optional_payload<_Tp, false>::_M_reset): Likewise. (_Optional_base_impl): Likewise. (_Optional_base): Turn into a primary and three specializations. (optional(nullopt)): Change the base init. * testsuite/20_util/optional/assignment/8.cc: New. * testsuite/20_util/optional/cons/trivial.cc: Likewise. * testsuite/20_util/optional/cons/value_neg.cc: Adjust. 2018-01-15 Jonathan Wakely PR libstdc++/80276 * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New. (get_template_arg_list): New. (StdVariantPrinter._template_args): Remove, use get_template_arg_list instead. (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead of strings and regular expressions. (add_one_template_type_printer): Adapt to new TemplateTypePrinter. (FilteringTypePrinter): Add docstring. Match using startswith. Use strip_inline_namespaces instead of strip_versioned_namespace. (add_one_type_printer): Prepend namespace to match argument. (register_type_printers): Add type printers for char16_t and char32_t string types and for types using cxx11 ABI. Update calls to add_one_template_type_printer to provide default argument dicts. * testsuite/libstdc++-prettyprinters/80276.cc: New test. * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for basic_string and basic_string. * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI. 2018-01-14 Andreas Schwab PR libstdc++/81092 * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update. 2018-01-13 Tim Shen PR libstdc++/83601 * include/bits/regex.tcc (regex_replace): Fix escaping in sed. * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests. * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests. 2018-01-12 Rainer Orth PR libstdc++/64054 * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc: Remove dg-xfail-run-if. 2018-01-10 François Dumont * include/bits/forward_list.h (_Fwd_list_node_base(_Fwd_list_node_base&&)): New. (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New. (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete. (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise. (_Fwd_list_impl()): Add noexcept qualification. (_Fwd_list_impl(const _Node_alloc_type&)): Delete. (_Fwd_list_impl(_Fwd_list_impl&&)): New, default. (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New. (_Fwd_list_base()): Default. (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New. (_Fwd_list_base(_Fwd_list_base&&)): Default. (forward_list<>()): Default. (forward_list<>(forward_list&&)): Default. (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New. (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New. (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters. * include/bits/forward_list.tcc (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use _M_impl._M_head move assignment. (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise. * testsuite/23_containers/forward_list/allocator/default_init.cc: New. 2018-01-09 Jonathan Wakely PR libstdc++/80276 * python/libstdcxx/v6/printers.py (SharedPointerPrinter) (UniquePointerPrinter): Print correct template argument, not type of the pointer. (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup a type. * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of array type. * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and weak_ptr of array types. 2018-01-09 François Dumont 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. 2018-01-09 Juraj Oršulić Jonathan Wakely PR libstdc++/59253 (partial) * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator type for pointer stored by shared_ptr, weak_ptr and unique_ptr. (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as children. * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output of unique_ptr printer. * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected output of shared_ptr printer. 2018-01-05 Jonathan Wakely PR libstdc++/83626 * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove unnecessary symlink_status call. (remove_all(const path&, error_code&)): Use filesystem::remove. * src/filesystem/std-ops.cc: Likewise. PR libstdc++/83279 * src/filesystem/std-ops.cc (do_copy_file): Use non-null offset with sendfile. PR libstdc++/83626 * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not report an error for ENOENT. (remove_all(const path&)): Fix type of result variable. (remove_all(const path&, error_code&)): Use non-throwing increment for directory iterator. Call POSIX remove directly to avoid redundant calls to symlink_status. Do not report errors for ENOENT. * src/filesystem/std-ops.cc: Likewise. * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing overload. * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise. 2018-01-04 Jonathan Wakely PR libstdc++/83626 * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove redundant call to ec.clear(). (remove_all(const path&, error_code&))): Do not return an error for non-existent paths. * src/filesystem/std-ops.cc: Likewise. * testsuite/27_io/filesystem/operations/remove.cc: New test. * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected results for non-existent paths. * testsuite/experimental/filesystem/operations/remove.cc: New test. * testsuite/experimental/filesystem/operations/remove_all.cc: Fix expected results for non-existent paths. * include/bits/fs_ops.h (exists(const path&, error_code&))): Only check status_known once. * include/experimental/bits/fs_ops.h: Likewise. PR libstdc++/83607 * include/std/functional (__is_byte_like): New trait. (__is_std_equal_to): Remove. (__boyer_moore_base_t): Use __is_byte_like instead of __is_std_equal_to. * include/experimental/functional (__is_std_equal_to): Remove. (__boyer_moore_base_t): Use __is_byte_like instead of __is_std_equal_to. * testsuite/20_util/function_objects/83607.cc: New test. 2018-01-03 Ville Voutilainen Protect optional's deduction guide with the feature macro * include/std/optional: Use the feature macro. 2018-01-03 Jakub Jelinek Update copyright years. Copyright (C) 2018 Free Software Foundation, Inc. Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.