libstdc++-v3/ChangeLog

   1 2018-11-13  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         * src/c++17/memory_resource.cc (bitset::full()): Handle edge case
   4         for _M_next_word maximum value.
   5         (bitset::get_first_unset(), bitset::set(size_type)): Use
   6         update_next_word() to update _M_next_word.
   7         (bitset::update_next_word()): New function, avoiding wraparound of
   8         unsigned _M_next_word member.
   9         (bitset::max_word_index()): New function.
  10         (chunk::chunk(void*, uint32_t, void*, size_t)): Add assertion.
  11         (chunk::max_bytes_per_chunk()): New function.
  12         (pool::replenish(memory_resource*, const pool_options&)): Prevent
  13         _M_blocks_per_chunk from exceeding max_blocks_per_chunk or from
  14         causing chunk::max_bytes_per_chunk() to be exceeded.
  15         * testsuite/20_util/unsynchronized_pool_resource/allocate-max-chunks.cc:
  16         New test.
  17
  18 2018-11-12  Jason Merrill  <jason@redhat.com>
  19
  20         * libsupc++/new (std::destroying_delete_t): New.
  21
  22 2018-11-12  Jonathan Wakely  <jwakely@redhat.com>
  23
  24         PR libstdc++/87963
  25         * src/c++17/memory_resource.cc (chunk::_M_bytes): Change type from
  26         unsigned to uint32_t.
  27         (chunk): Fix static assertion for 64-bit targets that aren't LP64.
  28         (bigblock::all_ones): Fix undefined shift.
  29
  30 2018-11-11  Hans-Peter Nilsson  <hp@axis.com>
  31
  32         PR libstdc++-v3/54005
  33         * include/bits/atomic_base.h (__atomic_base<_TTp>::is_lock_free(),
  34         __atomic_base<_PTp*>::is_lock_free()): Call __atomic_is_lock_free
  35         with the type-derived _S_alignment instead of __alignof the object.
  36         * include/std/atomic (atomic<T>::is_lock_free()): Likewise.
  37
  38 2018-11-11  Jonathan Wakely  <jwakely@redhat.com>
  39
  40         Implement P0318R1 unwrap_ref_decay and unwrap_reference
  41         * include/std/type_traits (unwrap_reference, unwrap_reference_t)
  42         (unwrap_ref_decay, unwrap_ref_decay_t): New traits and aliases.
  43         * testsuite/20_util/unwrap_reference/1.cc: New test.
  44         * testsuite/20_util/unwrap_reference/2.cc: New test.
  45
  46         Implement P1007R3 std::assume_aligned
  47         * include/std/memory (assume_aligned): Implement for C++17.
  48         * testsuite/20_util/assume_aligned/1.cc: New test.
  49         * testsuite/20_util/assume_aligned/2_neg.cc: New test.
  50         * testsuite/20_util/assume_aligned/3.cc: New test.
  51
  52 2018-11-09  Jonathan Wakely  <jwakely@redhat.com>
  53
  54         PR libstdc++/87787
  55         * include/bits/stl_uninitialized.h (__relocate_a_1): Do not call
  56         memmove when there's nothing to copy (and pointers could be null).
  57
  58 2018-11-07  Hafiz Abid Qadeer  <abidh@codesourcery.com>
  59
  60         * configure: Regenerated.
  61
  62 2018-11-07  Jonathan Wakely  <jwakely@redhat.com>
  63
  64         * config/abi/pre/gnu.ver: Fix patterns for size_t parameters.
  65
  66 2018-11-06  Jonathan Wakely  <jwakely@redhat.com>
  67
  68         Implement std::pmr::unsynchronized_pool_resource
  69         * config/abi/pre/gnu.ver: Add new symbols.
  70         * include/std/memory_resource (std::pmr::__pool_resource): New class.
  71         (std::pmr::unsynchronized_pool_resource): New class.
  72         * src/c++17/Makefile.am: Add -fimplicit-templates to flags for
  73         memory_resource.cc
  74         * src/c++17/Makefile.in: Regenerate.
  75         * src/c++17/memory_resource.cc (bitset, chunk, big_block): New
  76         internal classes.
  77         (__pool_resource::_Pool): Define new class.
  78         (munge_options, pool_index, select_num_pools): New internal functions.
  79         (__pool_resource::__pool_resource, __pool_resource::~__pool_resource)
  80         (__pool_resource::allocate, __pool_resource::deallocate)
  81         (__pool_resource::_M_alloc_pools): Define member functions.
  82         (unsynchronized_pool_resource::unsynchronized_pool_resource)
  83         (unsynchronized_pool_resource::~unsynchronized_pool_resource)
  84         (unsynchronized_pool_resource::release)
  85         (unsynchronized_pool_resource::_M_find_pool)
  86         (unsynchronized_pool_resource::do_allocate)
  87         (unsynchronized_pool_resource::do_deallocate): Define member
  88         functions.
  89         * testsuite/20_util/unsynchronized_pool_resource/allocate.cc: New
  90         test.
  91         * testsuite/20_util/unsynchronized_pool_resource/is_equal.cc: New
  92         test.
  93         * testsuite/20_util/unsynchronized_pool_resource/options.cc: New
  94         test.
  95         * testsuite/20_util/unsynchronized_pool_resource/release.cc: New
  96         test.
  97
  98 2018-11-06  John Bytheway  <jbytheway@gmail.com>
  99
 100         PR libstdc++/87872
 101         * include/debug/safe_sequence.tcc
 102         (_Safe_sequence<>::_M_transfer_from_if): Skip transfer to self.
 103
 104 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
 105
 106         PR bootstrap/82856
 107         * Makefile.am: Include multilib.am.
 108         * configure.ac: Remove AC_PREREQ.
 109         * Makefile.in, aclocal.m4, configure, doc/Makefile.in,
 110         include/Makefile.in, libsupc++/Makefile.in, po/Makefile.in,
 111         python/Makefile.in, src/Makefile.in, src/c++11/Makefile.in,
 112         src/c++17/Makefile.in, src/c++98/Makefile.in,
 113         src/filesystem/Makefile.in, testsuite/Makefile.in: Regenerate.
 114
 115 2018-10-31  Jonathan Wakely  <jwakely@redhat.com>
 116
 117         * testsuite/20_util/pair/87822.cc: Test deeper nesting.
 118
 119         PR libstdc++/87822
 120         * include/bits/stl_pair.h (__pair_base): Change to class template.
 121         (pair): Make base class type depend on template parameters.
 122         * testsuite/20_util/pair/87822.cc: New test.
 123
 124 2018-10-30  Marek Polacek  <polacek@redhat.com>
 125
 126         Implement P0892R2, explicit(bool).
 127         * testsuite/20_util/any/cons/explicit.cc: Adjust dg-error.
 128         * testsuite/20_util/pair/cons/explicit_construct.cc: Likewise.
 129         * testsuite/20_util/tuple/cons/explicit_construct.cc: Likewise.
 130
 131 2018-10-30  Jonathan Wakely  <jwakely@redhat.com>
 132
 133         PR libstdc++/87809
 134         * include/bits/forward_list.h (_Fwd_list_impl::_Fwd_list_impl()): Use
 135         trait in exception-specification instead of possibly invalid
 136         expression.
 137         * include/bits/stl_bvector.h (_Bvector_impl::_Bvector_impl()):
 138         Likewise.
 139         * include/bits/stl_list.h (_List_impl::_List_impl()): Likewise.
 140         * include/bits/stl_vector.h (_Vector_impl::_Vector_impl()): Likewise.
 141         * testsuite/23_containers/forward_list/cons/87809.cc: New test.
 142         * testsuite/23_containers/list/cons/87809.cc: New test.
 143         * testsuite/23_containers/vector/bool/cons/87809.cc: New test.
 144         * testsuite/23_containers/vector/cons/87809.cc: New test.
 145
 146         PR libstdc++/87784
 147         * include/tr2/dynamic_bitset (dynamic_bitset::push_back): When there
 148         are no unused bits in the last block, append a new block with the
 149         right value so the bit doesn't need to be set. Only increment size
 150         after setting the new bit, not before.
 151         * testsuite/tr2/dynamic_bitset/pr87784.cc: New test.
 152
 153 2018-10-29  David Malcolm  <dmalcolm@redhat.com>
 154
 155         * testsuite/17_intro/using_namespace_std_exp_neg.cc: Remove
 156         "expected namespace-name before" error.
 157         * testsuite/17_intro/using_namespace_std_tr1_neg.cc: Likewise.
 158
 159 2018-10-28  François Dumont  <fdumont@gcc.gnu.org>
 160
 161         * testsuite/23_containers/deque/48101_neg.cc: Remove dg-prune-output
 162         'std' from regex pattern for versioned namespace compatibility.
 163         * testsuite/23_containers/vector/48101_neg.cc: Likewise.
 164         * testsuite/27_io/filesystem/path/io/dr2989.cc: Likewise.
 165
 166 2018-10-25  Jonathan Wakely  <jwakely@redhat.com>
 167
 168         PR libstdc++/87749
 169         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 170         (basic_string::operator=(basic_string&&)): For short strings copy the
 171         buffer inline. Only fall back to using assign(const basic_string&) to
 172         do a deep copy when reallocation is needed.
 173         * testsuite/21_strings/basic_string/modifiers/assign/char/87749.cc:
 174         New test.
 175         * testsuite/21_strings/basic_string/modifiers/assign/char/
 176         move_assign_optim.cc: New test.
 177         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/87749.cc:
 178         New test.
 179         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
 180         move_assign_optim.cc: New test.
 181
 182 2018-10-25  Marc Glisse  <marc.glisse@inria.fr>
 183
 184         PR libstdc++/87106
 185         * include/bits/alloc_traits.h (_S_construct, _S_destroy, construct,
 186         destroy): Add noexcept specification.
 187         * include/bits/allocator.h (construct, destroy): Likewise.
 188         * include/ext/alloc_traits.h (construct, destroy): Likewise.
 189         * include/ext/malloc_allocator.h (construct, destroy): Likewise.
 190         * include/ext/new_allocator.h (construct, destroy): Likewise.
 191         * include/bits/stl_uninitialized.h (__relocate_object_a, __relocate_a,
 192         __relocate_a_1): New functions.
 193         (__is_trivially_relocatable): New class.
 194         * include/bits/stl_vector.h (__use_relocate): New static member.
 195         * include/bits/vector.tcc (reserve, _M_realloc_insert,
 196         _M_default_append): Use __relocate_a.
 197         (reserve, _M_assign_aux, _M_realloc_insert, _M_fill_insert,
 198         _M_default_append, _M_range_insert): Move _GLIBCXX_ASAN_ANNOTATE_REINIT
 199         after _Destroy.
 200         * testsuite/23_containers/vector/modifiers/push_back/49836.cc:
 201         Replace CopyConsOnlyType with DelAnyAssign.
 202
 203 2018-10-24  François Dumont  <fdumont@gcc.gnu.org>
 204
 205         * include/debug/safe_unordered_container.h
 206         (_Safe_unordered_container<>::_M_invalidate_locals): Take lambda
 207         parameter type from local end variable.
 208         (_Safe_unordered_container<>::_M_invalidate_all): Likewise.
 209         * include/debug/unordered_map
 210         (unordered_map<>::begin()): Use C++11 direct initialization.
 211         (unordered_map<>::end()): Likewise.
 212         (unordered_map<>::cbegin()): Likewise.
 213         (unordered_map<>::cend()): Likewise.
 214         (unordered_map<>::begin(size_type)): Likewise.
 215         (unordered_map<>::end(size_type)): Likewise.
 216         (unordered_map<>::cbegin(size_type)): Likewise.
 217         (unordered_map<>::cend(size_type)): Likewise.
 218         (unordered_map<>::emplace<>(_Args&&...)): Likewise.
 219         (unordered_map<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 220         (unordered_map<>::insert(const value_type&)): Likewise.
 221         (unordered_map<>::insert(value_type&&)): Likewise.
 222         (unordered_map<>::insert<>(_Pair&&)): Likewise.
 223         (unordered_map<>::insert(const_iterator, const value_type&)): Likewise.
 224         (unordered_map<>::insert(const_iterator, value_type&&)): Likewise.
 225         (unordered_map<>::insert<>(const_iterator, _Pair&&)): Likewise.
 226         (unordered_map<>::try_emplace<>(const key_type&, _Args&&...)): Likewise.
 227         (unordered_map<>::try_emplace<>(key_type&&, _Args&&...)): Likewise.
 228         (unordered_map<>::try_emplace<>(const_iterator, const key_type&,
 229         _Args&&...)): Likewise.
 230         (unordered_map<>::try_emplace<>(const_iterator, key_type&&,
 231         _Args&&...)): Likewise.
 232         (unordered_map<>::insert_or_assign<>(const key_type&, _Obj&&)): Likewise.
 233         (unordered_map<>::insert_or_assign<>(key_type&&, _Obj&&)): Likewise.
 234         (unordered_map<>::insert_or_assign<>(const_iterator, const key_type&,
 235         _Obj&&)): Likewise.
 236         (unordered_map<>::insert_or_assign<>(const_iterator, key_type&&,
 237         _Obj&&)): Likewise.
 238         (unordered_map<>::insert(note_type&&)): Likewise.
 239         (unordered_map<>::find(const key_type&)): Likewise.
 240         (unordered_map<>::equal_range(const key_type&)): Likewise.
 241         (unordered_map<>::_M_extract): New.
 242         (unordered_map<>::extract(const_iterator)): Use latter.
 243         (unordered_map<>::extract(const key_type&)): Likewise.
 244         (unordered_map<>::_M_erase): New.
 245         (unordered_map<>::erase(const key_type&)): Use latter.
 246         (unordered_map<>::erase(const_iterator)): Likewise.
 247         (unordered_map<>::erase(iterator)): Likewise.
 248         (unordered_map<>::_M_invalidate): New.
 249         (unordered_map<>::erase(const_iterator, const_iterator)): Use latter.
 250         (unordered_multimap<>::begin()): Use C++11 direct initialization.
 251         (unordered_multimap<>::end()): Likewise.
 252         (unordered_multimap<>::cbegin()): Likewise.
 253         (unordered_multimap<>::cend()): Likewise.
 254         (unordered_multimap<>::begin(size_type)): Likewise.
 255         (unordered_multimap<>::end(size_type)): Likewise.
 256         (unordered_multimap<>::cbegin(size_type)): Likewise.
 257         (unordered_multimap<>::cend(size_type)): Likewise.
 258         (unordered_multimap<>::emplace<>(_Args&&...)): Likewise.
 259         (unordered_multimap<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 260         (unordered_multimap<>::insert(const value_type&)): Likewise.
 261         (unordered_multimap<>::insert(const_iterator, const value_type&)): Likewise.
 262         (unordered_multimap<>::insert(const_iterator, value_type&&)): Likewise.
 263         (unordered_multimap<>::insert<>(_Pair&&)): Likewise.
 264         (unordered_multimap<>::insert<>(const_iterator, _Pair&&)): Likewise.
 265         (unordered_multimap<>::insert(note_type&&)): Likewise.
 266         (unordered_multimap<>::insert(const_iterator, note_type&&)): Likewise.
 267         (unordered_multimap<>::find(const key_type&)): Likewise.
 268         (unordered_multimap<>::equal_range(const key_type&)): Likewise.
 269         (unordered_multimap<>::_M_extract): New.
 270         (unordered_multimap<>::extract(const_iterator)): Use latter.
 271         (unordered_multimap<>::extract(const key_type&)): Likewise.
 272         (unordered_multimap<>::_M_erase): New.
 273         (unordered_multimap<>::erase(const_iterator)): Likewise.
 274         (unordered_multimap<>::erase(iterator)): Likewise.
 275         (unordered_multimap<>::_M_invalidate): New.
 276         (unordered_multimap<>::erase(const key_type&)): Use latter.
 277         (unordered_multimap<>::erase(const_iterator, const_iterator)): Likewise.
 278         * include/debug/unordered_set
 279         (unordered_set<>::begin()): Use C++11 direct initialization.
 280         (unordered_set<>::end()): Likewise.
 281         (unordered_set<>::cbegin()): Likewise.
 282         (unordered_set<>::cend()): Likewise.
 283         (unordered_set<>::begin(size_type)): Likewise.
 284         (unordered_set<>::end(size_type)): Likewise.
 285         (unordered_set<>::cbegin(size_type)): Likewise.
 286         (unordered_set<>::cend(size_type)): Likewise.
 287         (unordered_set<>::emplace<>(_Args&&...)): Likewise.
 288         (unordered_set<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 289         (unordered_set<>::insert(const value_type&)): Likewise.
 290         (unordered_set<>::insert(value_type&&)): Likewise.
 291         (unordered_set<>::insert(const_iterator, const value_type&)): Likewise.
 292         (unordered_set<>::insert(const_iterator, value_type&&)): Likewise.
 293         (unordered_set<>::insert(note_type&&)): Likewise.
 294         (unordered_set<>::insert(const_iterator, note_type&&)): Likewise.
 295         (unordered_set<>::find(const key_type&)): Likewise.
 296         (unordered_set<>::equal_range(const key_type&)): Likewise.
 297         (unordered_set<>::_M_extract): New.
 298         (unordered_set<>::extract(const_iterator)): Use latter.
 299         (unordered_set<>::extract(const key_type&)): Likewise.
 300         (unordered_set<>::_M_erase): New.
 301         (unordered_set<>::erase(const key_type&)): Use latter.
 302         (unordered_set<>::erase(const_iterator)): Likewise.
 303         (unordered_set<>::erase(iterator)): Likewise.
 304         (unordered_set<>::_M_invalidate): New.
 305         (unordered_set<>::erase(const_iterator, const_iterator)): Use latter.
 306         (unordered_multiset<>::begin()): Use C++11 direct initialization.
 307         (unordered_multiset<>::end()): Likewise.
 308         (unordered_multiset<>::cbegin()): Likewise.
 309         (unordered_multiset<>::cend()): Likewise.
 310         (unordered_multiset<>::begin(size_type)): Likewise.
 311         (unordered_multiset<>::end(size_type)): Likewise.
 312         (unordered_multiset<>::cbegin(size_type)): Likewise.
 313         (unordered_multiset<>::cend(size_type)): Likewise.
 314         (unordered_multiset<>::emplace<>(_Args&&...)): Likewise.
 315         (unordered_multiset<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 316         (unordered_multiset<>::insert(const value_type&)): Likewise.
 317         (unordered_multiset<>::insert(const_iterator, const value_type&)): Likewise.
 318         (unordered_multiset<>::insert(value_type&&)): Likewise.
 319         (unordered_multiset<>::insert(const_iterator, value_type&&)): Likewise.
 320         (unordered_multiset<>::insert(node_type&&)): Likewise.
 321         (unordered_multiset<>::insert(const_iterator, node_type&&)): Likewise.
 322         (unordered_multiset<>::find(const key_type&)): Likewise.
 323         (unordered_multiset<>::equal_range(const key_type&)): Likewise.
 324         (unordered_multiset<>::_M_extract): New.
 325         (unordered_multiset<>::extract(const_iterator)): Use latter.
 326         (unordered_multiset<>::extract(const key_type&)): Likewise.
 327         (unordered_multiset<>::_M_erase): New.
 328         (unordered_multiset<>::erase(const_iterator)): Likewise.
 329         (unordered_multiset<>::erase(iterator)): Likewise.
 330         (unordered_multiset<>::_M_invalidate): New.
 331         (unordered_multiset<>::erase(const key_type&)): Use latter.
 332         (unordered_multiset<>::erase(const_iterator, const_iterator)): Likewise.
 333
 334         * include/c_global/cstddef: Add versioned namespace.
 335
 336 2018-10-23  Jonathan Wakely  <jwakely@redhat.com>
 337
 338         PR libstdc++/87704
 339         * include/bits/unique_ptr.h (unique_ptr::unique_ptr(nullptr_t)): Do
 340         not delegate to default constructor.
 341         (unique_ptr<T[], D>::unique_ptr(nullptr_t)): Likewise.
 342         * testsuite/20_util/unique_ptr/cons/incomplete.cc: New test.
 343
 344 2018-10-20  François Dumont  <fdumont@gcc.gnu.org>
 345
 346         * testsuite/util/testsuite_containers.h
 347         (forward_members_unordered<>::forward_members_unordered
 348         (const value_type&)): Add local_iterator pre and post increment checks.
 349         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 new symbol.
 350
 351 2018-10-19  Jonathan Wakely  <jwakely@redhat.com>
 352
 353         * testsuite/23_containers/array/requirements/explicit_instantiation/
 354         3.cc: Skip test when compiled with a -std=c++NN strict mode.
 355         * testsuite/23_containers/deque/requirements/explicit_instantiation/
 356         3.cc: Likewise.
 357         * testsuite/23_containers/forward_list/requirements/
 358         explicit_instantiation/3.cc: Likewise.
 359         * testsuite/23_containers/list/requirements/explicit_instantiation/
 360         3.cc: Likewise.
 361         * testsuite/23_containers/map/requirements/explicit_instantiation/
 362         3.cc: Likewise.
 363         * testsuite/23_containers/multimap/requirements/explicit_instantiation/
 364         3.cc: Likewise.
 365         * testsuite/23_containers/multiset/requirements/explicit_instantiation/
 366         3.cc: Likewise.
 367         * testsuite/23_containers/set/requirements/explicit_instantiation/
 368         3.cc: Likewise.
 369         * testsuite/23_containers/unordered_map/requirements/
 370         explicit_instantiation/3.cc: Likewise.
 371         * testsuite/23_containers/unordered_multimap/requirements/
 372         explicit_instantiation/3.cc: Likewise.
 373         * testsuite/23_containers/unordered_multiset/requirements/
 374         explicit_instantiation/3.cc: Likewise.
 375         * testsuite/23_containers/unordered_set/requirements/
 376         explicit_instantiation/3.cc: Likewise.
 377         * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
 378         3.cc: Likewise.
 379         * testsuite/23_containers/vector/requirements/explicit_instantiation/
 380         3.cc: Likewise.
 381
 382         * testsuite/23_containers/deque/48101_neg.cc: Prune additional errors
 383         printed when __STRICT_ANSI__ is defined.
 384         * testsuite/23_containers/forward_list/48101_neg.cc: Likewise.
 385         * testsuite/23_containers/list/48101_neg.cc: Likewise.
 386         * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
 387         * testsuite/23_containers/set/48101_neg.cc: Likewise.
 388         * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
 389         * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
 390         * testsuite/23_containers/vector/48101_neg.cc: Likewise.
 391
 392         * testsuite/23_containers/forward_list/requirements/
 393         explicit_instantiation/5.cc [__STRICT_ANSI__]: Don't test non-standard
 394         extension.
 395         * testsuite/23_containers/list/requirements/explicit_instantiation/
 396         5.cc [__STRICT_ANSI__]: Likewise.
 397         * testsuite/23_containers/map/requirements/explicit_instantiation/5.cc
 398         [__STRICT_ANSI__]: Likewise.
 399         * testsuite/23_containers/multimap/requirements/explicit_instantiation/
 400         5.cc [__STRICT_ANSI__]: Likewise.
 401         * testsuite/23_containers/multiset/requirements/explicit_instantiation/
 402         5.cc [__STRICT_ANSI__]: Likewise.
 403         * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc
 404         [__STRICT_ANSI__]: Likewise.
 405         * testsuite/23_containers/unordered_map/requirements/debug_container.cc
 406         [__STRICT_ANSI__]: Likewise.
 407         * testsuite/23_containers/unordered_map/requirements/
 408         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 409         * testsuite/23_containers/unordered_multimap/requirements/
 410         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 411         * testsuite/23_containers/unordered_multiset/requirements/
 412         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 413         * testsuite/23_containers/unordered_set/requirements/
 414         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 415
 416         * testsuite/20_util/scoped_allocator/1.cc: Use allocator with correct
 417         value type for the container.
 418         * testsuite/23_containers/forward_list/cons/14.cc: Likewise.
 419         * testsuite/23_containers/map/56613.cc: Likewise.
 420         * testsuite/23_containers/unordered_map/55043.cc: Likewise.
 421         * testsuite/23_containers/unordered_map/allocator/copy.cc: Likewise.
 422         * testsuite/23_containers/unordered_map/allocator/copy_assign.cc:
 423         Likewise.
 424         * testsuite/23_containers/unordered_map/allocator/minimal.cc:
 425         Likewise.
 426         * testsuite/23_containers/unordered_map/allocator/move.cc: Likewise.
 427         * testsuite/23_containers/unordered_map/allocator/move_assign.cc:
 428         Likewise.
 429         * testsuite/23_containers/unordered_map/allocator/noexcept.cc:
 430         Likewise.
 431         * testsuite/23_containers/unordered_map/cons/81891.cc: Likewise.
 432         * testsuite/23_containers/unordered_map/requirements/exception/
 433         basic.cc: Likewise.
 434         * testsuite/23_containers/unordered_map/requirements/exception/
 435         generation_prohibited.cc: Likewise.
 436         * testsuite/23_containers/unordered_map/requirements/exception/
 437         propagation_consistent.cc: Likewise.
 438         * testsuite/23_containers/unordered_multimap/55043.cc: Likewise.
 439         * testsuite/23_containers/unordered_multimap/allocator/copy.cc:
 440         Likewise.
 441         * testsuite/23_containers/unordered_multimap/allocator/copy_assign.cc:
 442         Likewise.
 443         * testsuite/23_containers/unordered_multimap/allocator/minimal.cc:
 444         Likewise.
 445         * testsuite/23_containers/unordered_multimap/allocator/move.cc:
 446         Likewise.
 447         * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc:
 448         Likewise.
 449         * testsuite/23_containers/unordered_multimap/allocator/noexcept.cc:
 450         Likewise.
 451         * testsuite/23_containers/unordered_multimap/requirements/exception/
 452         basic.cc: Likewise.
 453         * testsuite/23_containers/unordered_multimap/requirements/exception/
 454         generation_prohibited.cc: Likewise.
 455         * testsuite/23_containers/unordered_multimap/requirements/exception/
 456         propagation_consistent.cc: Likewise.
 457         * testsuite/23_containers/unordered_multimap/requirements/
 458         explicit_instantiation/5.cc: Likewise.
 459         * testsuite/ext/malloc_allocator/sanity.cc: Likewise.
 460
 461         * ext/special_functions/airy_ai/check_nan.cc: Skip test for
 462         non-standard extension when a strict -std=c++NN dialect is used.
 463         * ext/special_functions/airy_ai/check_value.cc: Likewise.
 464         * ext/special_functions/airy_ai/compile.cc: Likewise.
 465         * ext/special_functions/airy_bi/check_nan.cc: Likewise.
 466         * ext/special_functions/airy_bi/check_value.cc: Likewise.
 467         * ext/special_functions/airy_bi/compile.cc: Likewise.
 468         * ext/special_functions/conf_hyperg/check_nan.cc: Likewise.
 469         * ext/special_functions/conf_hyperg/check_value.cc: Likewise.
 470         * ext/special_functions/conf_hyperg/compile.cc: Likewise.
 471         * ext/special_functions/hyperg/check_nan.cc: Likewise.
 472         * ext/special_functions/hyperg/check_value.cc: Likewise.
 473         * ext/special_functions/hyperg/compile.cc: Likewise.
 474
 475         * testsuite/23_containers/list/requirements/explicit_instantiation/
 476         5_c++0x.cc: Remove redundant test that is functionally identical to
 477         the 5.cc test.
 478         * testsuite/23_containers/map/requirements/explicit_instantiation/
 479         5_c++0x.cc: Likewise.
 480         * testsuite/23_containers/multimap/requirements/explicit_instantiation/
 481         5_c++0x.cc: Likewise.
 482         * testsuite/23_containers/multiset/requirements/explicit_instantiation/
 483         5_c++0x.cc: Likewise.
 484         * testsuite/23_containers/set/requirements/explicit_instantiation/
 485         5_c++0x.cc: Likewise.
 486
 487         * include/bits/regex_executor.tcc (_Backref_matcher::_M_apply): Use
 488         _GLIBCXX_STD_A to refer to normal mode algorithms.
 489         * testsuite/28_regex/headers/regex/parallel_mode.cc: New test.
 490         * testsuite/28_regex/headers/regex/std_c++0x_neg.cc: Remove empty
 491         whitespace.
 492
 493         * include/debug/map.h (map::erase(iterator)): Add abi-tag so that
 494         C++11 version mangles differently from incompatible C++98 version.
 495         * include/debug/multimap.h (multimap::erase(iterator)): Likewise.
 496         * include/debug/multiset.h (multiset::erase(iterator))
 497         (multiset::erase(const_iterator, const_iterator)): Likewise.
 498         * include/debug/set.h (set::erase(iterator))
 499         (multiset::erase(const_iterator, const_iterator)): Likewise.
 500
 501 2018-10-18  Jonathan Wakely  <jwakely@redhat.com>
 502
 503         * testsuite/20_util/duration/cons/2.cc: Add -ffloat-store to fix
 504         failure when compiled without optimisation.
 505         * testsuite/ext/profile/mutex_extensions_neg.cc: Prune additional
 506         errors caused by C++17 std::pmr alias templates.
 507
 508         PR libstdc++/87642
 509         * config/locale/gnu/monetary_members.cc
 510         (moneypunct<char, true>::_M_initialize_moneypunct): Use
 511         __narrow_multibyte_chars to convert multibyte thousands separators
 512         to a single char.
 513         * config/locale/gnu/numeric_members.cc
 514         (numpunct<char>::_M_initialize_numpunct): Likewise.
 515         (__narrow_multibyte_chars): New function.
 516
 517         PR libstdc++/87641
 518         * include/bits/valarray_array.h (__valarray_sum): Use first element
 519         to initialize accumulator instead of value-initializing it.
 520         (__valarray_product<_Tp>): Move to ...
 521         * src/c++98/valarray.cc (__valarray_product<_Tp>): Here. Use first
 522         element to initialize accumulator.
 523         (__valarray_product(const valarray<size_t>&)): Remove const_cast made
 524         unnecessary by LWG 389.
 525         * testsuite/26_numerics/valarray/87641.cc: New test.
 526
 527 2018-10-18  François Dumont  <fdumont@gcc.gnu.org>
 528
 529         Partial revert.
 530         2018-10-08  François Dumont  <fdumont@gcc.gnu.org>
 531
 532         * include/debug/list (list<>::cbegin()): Use C++11 direct
 533         initialization.
 534         (list<>::cend()): Likewise.
 535         (list<>::erase(const_iterator, const_iterator)): Ensure consistent
 536         iterator comparisons.
 537         (list<>::splice(const_iterator, list&&, const_iterator,
 538         const_iterator)): Likewise.
 539
 540         Partial revert.
 541         2018-10-15  François Dumont  <fdumont@gcc.gnu.org>
 542
 543         * include/debug/vector (vector<>::cbegin()): Use C++11 direct
 544         initialization.
 545         (vector<>::cend()): Likewise.
 546         (vector<>::insert(const_iterator, const _Tp&)): Use consistent
 547         iterator comparison.
 548         (vector<>::erase(const_iterator)): Likewise.
 549         (vector<>::erase(const_iterator, const_iterator)): Likewise.
 550
 551 2018-10-17  Ville Voutilainen  <ville.voutilainen@gmail.com>
 552
 553         PR libstdc++/87619
 554         * include/std/variant (__select_index): Fix an off-by-one.
 555         * testsuite/20_util/variant/87619.cc: New.
 556
 557 2018-10-16  Jonathan Wakely  <jwakely@redhat.com>
 558
 559         * include/bits/random.h (random_device) [!_GLIBCXX_USE_DEV_RANDOM]:
 560         Fix default constructor to call correct function.
 561
 562         * testsuite/experimental/net/internet/address/v4/creation.cc: Do not
 563         declare ip in global namespace, to avoid collision with struct ip
 564         defined in <netinet/ip.h>.
 565
 566         * include/experimental/bits/net.h: Move versioned namespace macros
 567         to correct location.
 568         * include/experimental/buffer: Likewise.
 569         * include/experimental/executor: Likewise.
 570         * include/experimental/internet: Likewise.
 571         * include/experimental/io_context: Likewise.
 572         * include/experimental/netfwd: Likewise.
 573         * include/experimental/socket: Likewise.
 574         * include/experimental/timer: Likewise.
 575
 576         * config.h.in: Regenerate.
 577         * configure: Regenerate.
 578         * configure.ac: Check for headers used by Networking TS.
 579         * include/experimental/executor: Include <condition_variable>
 580         instead of <mutex>.
 581         * include/experimental/internet: Use autoconf macros for available
 582         headers.  Include <sys/socket.h> for.  Remove <cstring> and use
 583         __builtin_memcpy and __builtin_strchr.
 584         (resolver_errc) [!_GLIBCXX_HAVE_NETDB_H]: Do not define.
 585         (address_v4::to_string, address_v6::to_string)
 586         [!_GLIBCXX_HAVE_ARPA_INET_H]: Likewise.
 587         (basic_resolver_results) [!_GLIBCXX_HAVE_NETDB_H]: Make private
 588         constructors report errors.
 589         [!_GLIBCXX_HAVE_NETINET_TCP_H] (tcp::no_delay): Do not define.
 590         * include/experimental/io_context: Likewise.
 591         * include/experimental/socket: Likewise.
 592         [!_GLIBCXX_HAVE_SYS_SOCKET_H, !_GLIBCXX_HAVE_POLL_H] (socket_base): Do
 593         not define nested types when relevant header not available.
 594         (__socket_impl::native_non_blocking) [!_GLIBCXX_HAVE_FCNTL_H]: Report
 595         an error.
 596         (__basic_socket_impl::open, __basic_socket_impl::local_endpoint)
 597         (__basic_socket_impl::bind) [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
 598         (__basic_socket_impl::io_control) [!_GLIBCXX_HAVE_SYS_IOCTL_H]:
 599         Likewise.
 600         (basic_socket::at_mark, basic_socket::shutdown)
 601         (basic_socket::remote_endpoint, basic_socket::connect)
 602         (basic_socket::async_connect) [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
 603         (basic_socket::available) [_GLIBCXX_HAVE_SYS_IOCTL_H]: Check macro
 604         for <sys/ioctl.h> availability.
 605         (basic_socket::wait) [!_GLIBCXX_HAVE_POLL_H]: Likewise.
 606         (basic_datagram_socket::receive, basic_datagram_socket::async_receive)
 607         (basic_datagram_socket::receive_from)
 608         (basic_datagram_socket::async_receive_from)
 609         (basic_datagram_socket::send, basic_datagram_socket::async_send)
 610         (basic_datagram_socket::send_to, basic_datagram_socket::async_send_to)
 611         [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
 612         (basic_stream_socket::receive, basic_stream_socket::async_receive)
 613         (basic_stream_socket::send, basic_stream_socket::async_send)
 614         [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
 615         (basic_socket_acceptor::listen, basic_socket_acceptor::accept)
 616         (basic_socket_acceptor::async_accept) [!_GLIBCXX_HAVE_SYS_SOCKET_H]:
 617         Likewise.
 618         (basic_socket_acceptor::wait) [!_GLIBCXX_HAVE_POLL_H]: Likewise.
 619
 620         * testsuite/experimental/net/headers.cc: Remove dg-options.
 621         * testsuite/experimental/net/buffer/arithmetic.cc: Replace dg-options
 622         with dg-do using effective target.
 623         * testsuite/experimental/net/buffer/const.cc: Likewise.
 624         * testsuite/experimental/net/buffer/creation.cc: Likewise.
 625         * testsuite/experimental/net/buffer/mutable.cc: Likewise.
 626         * testsuite/experimental/net/buffer/size.cc: Likewise.
 627         * testsuite/experimental/net/buffer/traits.cc: Likewise.
 628         * testsuite/experimental/net/execution_context/use_service.cc:
 629         Likewise.
 630         * testsuite/experimental/net/internet/address/v4/comparisons.cc:
 631         Likewise.
 632         * testsuite/experimental/net/internet/address/v4/cons.cc: Likewise.
 633         * testsuite/experimental/net/internet/address/v4/creation.cc:
 634         Likewise.
 635         * testsuite/experimental/net/internet/address/v4/members.cc: Likewise.
 636         * testsuite/experimental/net/internet/resolver/base.cc: Likewise.
 637         * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
 638         Likewise.
 639         * testsuite/experimental/net/internet/resolver/ops/reverse.cc:
 640         Likewise.
 641         * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
 642         * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
 643         * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
 644
 645         * include/experimental/socket (basic_socket::at_mark): Add missing
 646         return.
 647
 648         * acinclude.m4 (GLIBCXX_CHECK_RANDOM_TR1): Replace with ...
 649         (GLIBCXX_CHECK_DEV_RANDOM): New macro with more descriptive name.
 650         Define _GLIBCXX_USE_DEV_RANDOM as well as _GLIBCXX_USE_RANDOM_TR1.
 651         * config.h.in: Regenerate.
 652         * configure: Regenerate.
 653         * configure.ac: Use GLIBCXX_CHECK_DEV_RANDOM instead of
 654         GLIBCXX_CHECK_RANDOM_TR1.
 655         crossconfig.m4: Likewise.
 656         * include/bits/random.h (random_device): Use _GLIBCXX_USE_DEV_RANDOM
 657         instead of _GLIBCXX_USE_RANDOM_TR1.
 658         * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
 659
 660 2018-10-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 661
 662         * testsuite/lib/dg-options.exp (add_options_for_net_ts): New proc.
 663         * testsuite/experimental/net/internet/address/v4/comparisons.cc:
 664         Add dg-add-options net_ts.
 665         * testsuite/experimental/net/internet/address/v4/cons.cc: Likewise.
 666         * testsuite/experimental/net/internet/address/v4/creation.cc: Likewise.
 667         * testsuite/experimental/net/internet/address/v4/members.cc: Likewise.
 668         * testsuite/experimental/net/internet/resolver/base.cc: Likewise.
 669         * testsuite/experimental/net/internet/resolver/ops/lookup.cc: Likewise.
 670         * testsuite/experimental/net/internet/resolver/ops/reverse.cc: Likewise.
 671
 672 2018-10-16  Jonathan Wakely  <jwakely@redhat.com>
 673
 674         * testsuite/20_util/duration/literals/range_neg.cc: Adjust pruned
 675         diagnostic to account for quotes around 'constexpr'.
 676         * testsuite/23_containers/deque/capacity/max_size.cc: Define static
 677         variable.
 678         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
 679
 680         PR libstdc++/87618
 681         * config/abi/pre/gnu.ver: Fix typos in patterns for basic_stringbuf.
 682         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: Disable
 683         optimisation to check constructor definition can be linked to.
 684         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: Likewise.
 685
 686 2018-10-15  Jonathan Wakely  <jwakely@redhat.com>
 687
 688         * testsuite/22_locale/numpunct/members/char/3.cc: Adjust test to
 689         account for change to glibc it_IT localedata (glibc bz#10797).
 690
 691         PR libstdc++/87587
 692         * src/c++11/cxx11-shim_facets.cc: Suppress -Wabi warnings.
 693
 694 2018-10-15  François Dumont  <fdumont@gcc.gnu.org>
 695
 696         * include/debug/vector (vector<>::cbegin()): Use C++11 direct
 697         initialization.
 698         (vector<>::cend()): Likewise.
 699         (vector<>::emplace(const_iterator, _Args&&...)): Likewise and use
 700         consistent iterator comparison.
 701         (vector<>::insert(const_iterator, size_type, const _Tp&)): Likewise.
 702         (vector<>::insert(const_iterator, _InputIterator, _InputIterator)):
 703         Likewise.
 704         (vector<>::erase(const_iterator)): Likewise.
 705         (vector<>::erase(const_iterator, const_iterator)): Likewise.
 706
 707 2018-10-12  Jonathan Wakely  <jwakely@redhat.com>
 708
 709         Initial commit of Networking TS implementation.
 710         * include/Makefile.am: Add new headers.
 711         * include/Makefile.in: Regenerate.
 712         * include/experimental/bits/net.h: New header for common
 713         implementation details of Networking TS.
 714         * include/experimental/buffer: New header.
 715         * include/experimental/executor: New header.
 716         * include/experimental/internet: New header.
 717         * include/experimental/io_context: New header.
 718         * include/experimental/net: New header.
 719         * include/experimental/netfwd: New header.
 720         * include/experimental/socket: New header.
 721         * include/experimental/timer: New header.
 722         * testsuite/experimental/net/buffer/arithmetic.cc: New test.
 723         * testsuite/experimental/net/buffer/const.cc: New test.
 724         * testsuite/experimental/net/buffer/creation.cc: New test.
 725         * testsuite/experimental/net/buffer/mutable.cc: New test.
 726         * testsuite/experimental/net/buffer/size.cc: New test.
 727         * testsuite/experimental/net/buffer/traits.cc: New test.
 728         * testsuite/experimental/net/execution_context/use_service.cc: New
 729         test.
 730         * testsuite/experimental/net/headers.cc: New test.
 731         * testsuite/experimental/net/internet/address/v4/comparisons.cc: New
 732         test.
 733         * testsuite/experimental/net/internet/address/v4/cons.cc: New test.
 734         * testsuite/experimental/net/internet/address/v4/creation.cc: New
 735         test.
 736         * testsuite/experimental/net/internet/address/v4/members.cc: New
 737         test.
 738         * testsuite/experimental/net/internet/resolver/base.cc: New test.
 739         * testsuite/experimental/net/internet/resolver/ops/lookup.cc: New
 740         test.
 741         * testsuite/experimental/net/internet/resolver/ops/reverse.cc: New
 742         test.
 743         * testsuite/experimental/net/timer/waitable/cons.cc: New test.
 744         * testsuite/experimental/net/timer/waitable/dest.cc: New test.
 745         * testsuite/experimental/net/timer/waitable/ops.cc: New test.
 746
 747         PR libstdc++/77691
 748         * include/experimental/memory_resource (__resource_adaptor_imp): Do
 749         not allocate sizes smaller than alignment when relying on guaranteed
 750         alignment.
 751         * testsuite/experimental/memory_resource/new_delete_resource.cc:
 752         Adjust expected number of bytes allocated for alignof(max_align_t).
 753
 754 2018-10-11  François Dumont  <fdumont@gcc.gnu.org>
 755
 756         * include/debug/forward_list
 757         (forward_list<>::before_begin()): Use C++11 direct initialization.
 758         (forward_list<>::begin()): Likewise.
 759         (forward_list<>::end()): Likewise.
 760         (forward_list<>::cbefore_begin()): Likewise.
 761         (forward_list<>::cbegin()): Likewise.
 762         (forward_list<>::cend()): Likewise.
 763         (forward_list<>::emplace_after<>(const_iterator, _Args&&...)): Likewise.
 764         (forward_list<>::insert_after(const_iterator, const _Tp&)): Likewise.
 765         (forward_list<>::insert_after(const_iterator, _Tp&&)): Likewise.
 766         (forward_list<>::insert_after(const_iterator, size_type, const _Tp&)):
 767         Likewise.
 768         (forward_list<>::insert_after(const_iterator, initializer_list<>)):
 769         Likewise.
 770         (forward_list<>::erase_after(const_iterator)): Likewise.
 771         (forward_list<>::erase_after(const_iterator, const_iterator)): Likewise
 772         and ensure consistent iterator comparison.
 773
 774         * include/bits/forward_list.h
 775         (_Fwd_list_iterator<>::operator==): Replace member function with inline
 776         friend.
 777         (_Fwd_list_iterator<>::operator!=): Likewise.
 778         (_Fwd_list_const_iterator<>::operator==): Likewise.
 779         (_Fwd_list_const_iterator<>::operator!=): Likewise.
 780         (operator==(const _Fwd_list_iterator<>&,
 781         const _Fwd_list_const_iterator<>&)): Remove.
 782         (operator!=(const _Fwd_list_iterator<>&,
 783         const _Fwd_list_const_iterator<>&)): Remove.
 784         (forward_list<>::_Node): Take typedef from base type.
 785         (forward_list<>::iterator): Likewise.
 786         (forward_list<>::const_iterator): Likewise.
 787
 788 2018-10-11  Jonathan Wakely  <jwakely@redhat.com>
 789
 790         PR libstdc++/80538
 791         * src/c++11/thread.cc (this_thread::__sleep_for)
 792         [_GLIBCXX_HAVE_SLEEP]: Only call sleep for non-zero values.
 793         Loop while sleep call is interrupted and until steady_clock
 794         shows requested duration has elapsed.
 795         (!_GLIBCXX_HAVE_USLEEP]: Use the _GLIBCXX_HAVE_SLEEP code path, but
 796         avoiding the usleep call.
 797         * testsuite/30_threads/this_thread/60421.cc: Test repeated
 798         signal interruptions.
 799
 800         * include/bits/allocator.h
 801         (operator==(const allocator<_Tp>&, const allocator<_Tp>))
 802         (operator!=(const allocator<_Tp>&, const allocator<_Tp>)): Replace
 803         with inline friends.
 804         * include/ext/debug_allocator.h (operator==, operator!=): Replace
 805         with inline friend functions that compare to rebound allocators.
 806         * include/ext/malloc_allocator.h (operator==, operator!=): Likewise.
 807         * include/ext/new_allocator.h (operator==, operator!=): Likewise.
 808         * testsuite/ext/debug_allocator/eq.cc: New test.
 809         * testsuite/ext/ext_pointer/alloc_eq.cc: New test.
 810         * testsuite/ext/malloc_allocator/eq.cc: New test.
 811         * testsuite/ext/new_allocator/eq.cc: New test.
 812
 813 2018-10-10  Jonathan Wakely  <jwakely@redhat.com>
 814
 815         PR libstdc++/87544
 816         * include/bits/stl_vector.h (vector::_S_max_size): Limit size to
 817         PTRDIFF_MAX / sizeof(value_type).
 818         * include/ext/malloc_allocator.h (malloc_allocator::max_size):
 819         Likewise.
 820         * include/ext/new_allocator.h (new_allocator::max_size): Likewise.
 821         * testsuite/23_containers/vector/allocator/minimal.cc: Adjust
 822         expected value for max_size().
 823         * testsuite/23_containers/vector/capacity/87544.cc: New test.
 824
 825 2018-10-09  François Dumont  <fdumont@gcc.gnu.org>
 826
 827         * include/bits/stl_list.h
 828         (_List_operator<>::operator==): Replace member function with inline
 829         friend.
 830         (_List_operator<>::operator!=): Likewise.
 831         (_List_const_operator<>::operator==): Likewise.
 832         (_List_const_operator<>::operator!=): Likewise.
 833         (operator==(const _List_iterator<>&, const _List_const_iterator<>&)):
 834         Remove.
 835         (operator!=(const _List_iterator<>&, const _List_const_iterator<>&)):
 836         Remove.
 837
 838 2018-10-09  Jonathan Wakely  <jwakely@redhat.com>
 839
 840         * include/bits/stringfwd.h (string, wstring, u16string, u32string):
 841         Define typedefs outside of __cxx11 inline namespace.
 842         * python/libstdcxx/v6/printers.py (register_type_printers): Also
 843         register printers for typedefs in new location.
 844
 845 2018-10-08  Jonathan Wakely  <jwakely@redhat.com>
 846
 847         PR libstdc++/87538
 848         * testsuite/experimental/functional/87538.cc: New test.
 849
 850         PR libstdc++/87538
 851         * include/std/functional (_Not_fn::operator()): Check value of
 852         __is_nothrow_invocable as well.
 853         * testsuite/20_util/function_objects/not_fn/87538.cc: New test.
 854
 855 2018-10-08  François Dumont  <fdumont@gcc.gnu.org>
 856
 857         * include/debug/list (list<>::cbegin()): Use C++11 direct
 858         initialization.
 859         (list<>::cend()): Likewise.
 860         (list<>::emplace<>(const_iterator, _Args&&...)): Likewise.
 861         (list<>::insert(const_iterator, initializer_list<>)): Likewise.
 862         (list<>::insert(const_iterator, size_type, const _Tp&)): Likewise.
 863         (list<>::erase(const_iterator, const_iterator)): Ensure consistent
 864         iterator comparisons.
 865         (list<>::splice(const_iterator, list&&, const_iterator,
 866         const_iterator)): Likewise.
 867
 868 2018-10-05  François Dumont  <fdumont@gcc.gnu.org>
 869
 870         * include/bits/stl_tree.h
 871         (_Rb_tree_iterator<>::operator==): Make inline friend.
 872         (_Rb_tree_iterator<>::operator!=): Likewise.
 873         (_Rb_tree_const_iterator<>::operator==): Likewise.
 874         (_Rb_tree_const_iterator<>::operator!=): Likewise.
 875         (operator==(const _Rb_tree_iterator<>&,
 876         const _Rb_tree_const_iterator&)): Remove.
 877         (operator!=(const _Rb_tree_iterator<>&,
 878         const _Rb_tree_const_iterator&)): Remove.
 879         (operator==(const _Rb_tree<>&, const _Rb_tree<>&)): Make inline friend.
 880         (operator<(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
 881         (operator!=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise and
 882         deprecate.
 883         (operator>(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
 884         (operator<=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
 885         (operator>=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
 886         * include/debug/map.h (map<>::erase(const_iterator, const_iterator)):
 887         Compare __victim with _Base::cend().
 888         * include/debug/multimap.h
 889         (multimap<>::erase(const_iterator, const_iterator)): Likewise.
 890         * include/debug/set.h (set<>::erase(const_iterator, const_iterator)):
 891         Compare __victim with _Base::cend().
 892         * include/debug/multiset.h
 893         (multiset<>::erase(const_iterator, const_iterator)): Likewise.
 894
 895 2018-10-03  Jonathan Wakely  <jwakely@redhat.com>
 896
 897         PR libstdc++/59439
 898         * src/c++98/locale.cc (locale::locale(const locale&)): Bypass
 899         reference count updates for the classic locale.
 900         (locale::~locale()): Likewise.
 901         (locale::operator=(const locale&)): Likewise.
 902         * src/c++98/locale_init.cc (locale::locale()): Likewise.
 903         (locale::global(const locale&)): Likewise.
 904
 905 2018-10-03  François Dumont  <fdumont@gcc.gnu.org>
 906
 907         * include/debug/map.h
 908         (map<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
 909         (map<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 910         (map<>::insert(value_type&&)): Likewise.
 911         (map<>::insert<>(_Pair&&)): Likewise.
 912         (map<>::insert<>(const_iterator, _Pair&&)): Likewise.
 913         (map<>::try_emplace): Likewise.
 914         (map<>::insert_or_assign): Likewise.
 915         (map<>::insert(node_type&&)): Likewise.
 916         (map<>::insert(const_iterator, node_type&&)): Likewise.
 917         (map<>::erase(const_iterator)): Likewise.
 918         (map<>::erase(const_iterator, const_iterator)): Likewise.
 919         * include/debug/multimap.h
 920         (multimap<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
 921         (multimap<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 922         (multimap<>::insert<>(_Pair&&)): Likewise.
 923         (multimap<>::insert<>(const_iterator, _Pair&&)): Likewise.
 924         (multimap<>::insert(node_type&&)): Likewise.
 925         (multimap<>::insert(const_iterator, node_type&&)): Likewise.
 926         (multimap<>::erase(const_iterator)): Likewise.
 927         (multimap<>::erase(const_iterator, const_iterator)): Likewise.
 928         * include/debug/set.h
 929         (set<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
 930         (set<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 931         (set<>::insert(value_type&&)): Likewise.
 932         (set<>::insert<>(const_iterator, value_type&&)): Likewise.
 933         (set<>::insert(const_iterator, node_type&&)): Likewise.
 934         (set<>::erase(const_iterator)): Likewise.
 935         (set<>::erase(const_iterator, const_iterator)): Likewise.
 936         * include/debug/multiset.h
 937         (multiset<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
 938         (multiset<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 939         (multiset<>::insert<>(value_type&&)): Likewise.
 940         (multiset<>::insert<>(const_iterator, value_type&&)): Likewise.
 941         (multiset<>::insert(node_type&&)): Likewise.
 942         (multiset<>::insert(const_iterator, node_type&&)): Likewise.
 943         (multiset<>::erase(const_iterator)): Likewise.
 944         (multiset<>::erase(const_iterator, const_iterator)): Likewise.
 945
 946 2018-10-02  Marc Glisse  <marc.glisse@inria.fr>
 947
 948         PR libstdc++/87258
 949         * include/bits/stl_bvector.h (vector::begin(), vector::cbegin()):
 950         Rebuild _M_start with an explicit 0 offset.
 951
 952 2018-10-02  Jonathan Wakely  <jwakely@redhat.com>
 953
 954         * include/std/variant (__gen_vtable_impl::__visit_invoke): Call __get
 955         directly instead of get, as caller ensures correct index is used.
 956         (holds_alternative, get, get_if): Remove redundant inline specifiers.
 957         (_VARIANT_RELATION_FUNCTION_TEMPLATE): Likewise.
 958
 959 2018-10-02  Joseph Myers  <joseph@codesourcery.com>
 960
 961         * testsuite/lib/libstdc++.exp (libstdc++_init): Use
 962         -fno-show-column in default cxxflags.
 963
 964 2018-10-01  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 965
 966         * config/os/uclibc/os_defines.h (__NO_STRING_INLINES): Delete.
 967
 968 2018-10-01  Gerald Pfeifer  <gerald@pfeifer.com>
 969
 970         * doc/xml/manual/allocator.xml: Adjust link to "Reconsidering
 971         Custom Memory Allocation".
 972
 973 2018-10-01  Jonathan Wakely  <jwakely@redhat.com>
 974
 975         * doc/html/*: Regenerate.
 976
 977 2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
 978
 979         * doc/xml/manual/messages.xml: Switch link to www.oracle.com
 980         to https.
 981
 982 2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
 983
 984         * doc/xml/manual/policy_data_structures_biblio.xml: Update
 985         link to Microsoft Component Model Object Technologies.
 986
 987 2018-09-29  Gerald Pfeifer  <gerald@pfeifer.com>
 988
 989         * doc/xml/gnu/fdl-1.3.xml: The Free Software Foundation web
 990         site now uses https. Also omit the unnecessary trailing slash.
 991         * doc/xml/gnu/gpl-3.0.xml: Ditto.
 992
 993 2018-09-28  François Dumont  <fdumont@gcc.gnu.org>
 994
 995         * include/debug/functions.h
 996         (__foreign_iterator_aux3(const _Safe_iterator<>&, const _InputeIter&,
 997         const _InputIter&, __true_type)): Use empty() rather than begin() ==
 998         end().
 999
1000 2018-09-25  Mike Crowe  <mac@mcrowe.com>
1001
1002         * include/std/condition_variable (condition_variable::wait_for): Use
1003         steady clock in overload that uses a predicate.
1004
1005 2018-09-25  Jonathan Wakely  <jwakely@redhat.com>
1006
1007         PR libstdc++/87431
1008         * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
1009         Avoid runtime test when all alternatives are scalars and so cannot
1010         throw during initialization.
1011
1012 2018-09-25  Gerald Pfeifer  <gerald@pfeifer.com>
1013
1014         * doc/xml/manual/codecvt.xml: Move link to "UTF-8 and Unicode FAQ"
1015         to https.
1016
1017 2018-09-24  Gerald Pfeifer  <gerald@pfeifer.com>
1018
1019         * doc/xml/manual/policy_data_structures_biblio.xml: Update link
1020         to "Priority Queues and the STL".
1021
1022 2018-09-23  Gerald Pfeifer  <gerald@pfeifer.com>
1023
1024         * doc/xml/manual/using_exceptions.xml: Move boost.orgs link to
1025         https.
1026
1027 2018-09-21  François Dumont  <fdumont@gcc.gnu.org>
1028
1029         PR libstdc++/87135
1030         * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
1031         Use __builtin_floor to compute _M_next_resize.
1032         * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt.
1033         * testsuite/23_containers/unordered_set/hash_policy/prime_rehash.cc:
1034         Adapt.
1035
1036 2018-09-21  Jonathan Wakely  <jwakely@redhat.com>
1037
1038         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Remove.
1039         * testsuite/26_numerics/headers/cmath/hypot.cc: Restore test for
1040         long double unconditionally, but use lower tolerance when
1041         sizeof(long double) == sizeof(double).
1042
1043 2018-09-20  Christophe Lyon  <christophe.lyon@linaro.org>
1044
1045         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Skip
1046         on arm*.
1047
1048 2018-09-19  Jonathan Wakely  <jwakely@redhat.com>
1049
1050         * include/bits/regex_automaton.tcc (_StateSeq<_TraitsT>::_M_clone()):
1051         Remove __glibcxx_assert statements and use map::find instead of
1052         map::operator[].
1053
1054 2018-09-18  François Dumont  <fdumont@gcc.gnu.org>
1055
1056         PR libstdc++/87135
1057         * src/c++11/hashtable_c++0x.cc:
1058         (_Prime_rehash_policy::_M_next_bkt): Return a prime no smaller than
1059         requested size, but not necessarily greater.
1060         (_Prime_rehash_policy::_M_need_rehash): Rehash only if target size is
1061         strictly greater than next resize threshold.
1062         * testsuite/23_containers/unordered_map/modifiers/reserve.cc: Adapt test
1063         to validate that there is no rehash as long as number of insertion is
1064         lower or equal to the reserved number of elements.
1065
1066 2018-09-18  Jonathan Wakely  <jwakely@redhat.com>
1067
1068         * include/bits/unique_ptr.h (__uniq_ptr_impl): Remove static assertion
1069         checking invocable condition.
1070         (unique_ptr::~unique_ptr, unique_ptr::reset): Restore static assertion
1071         here, where types must be complete. Pass pointer to deleter as an
1072         rvalue.
1073         * testsuite/20_util/unique_ptr/requirements/incomplete.cc: New test.
1074
1075 2018-09-13  Jonathan Wakely  <jwakely@redhat.com>
1076
1077         * include/std/variant (variant) [__clang__]: Limit workaround to
1078         Clang 7 and older.
1079
1080 2018-09-11  Jonathan Wakely  <jwakely@redhat.com>
1081
1082         PR libstdc++/87278
1083         * include/bits/shared_ptr.h (make_shared): Use remove_cv instead of
1084         remove_const.
1085         * testsuite/20_util/shared_ptr/creation/87278.cc: New test.
1086
1087         Implement LWG 2905 changes to constrain unique_ptr constructors
1088         * include/bits/unique_ptr.h (__uniq_ptr_impl): Add assertions to
1089         check deleter type.
1090         (unique_ptr::unique_ptr(pointer, const deleter_type&)): Add copy
1091         constructible constraint.
1092         (unique_ptr::unique_ptr(pointer, deleter_type&&)): Disable for
1093         deleters of reference type and add move constructible constraint.
1094         (unique_ptr::unique_ptr(pointer, remove_reference_t<deleter_type>&&)):
1095         Disable for deleters of non-reference type. Define as deleted.
1096         (unique_ptr<T[], D>): Likewise.
1097         * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Replace dg-error
1098         directives with unstable line numbers with dg-prune-output.
1099         * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
1100         * testsuite/20_util/unique_ptr/cons/lwg2905.cc: New test.
1101         * testsuite/20_util/unique_ptr/specialized_algorithms/swap_cxx17.cc:
1102         Make deleter types invocable.
1103
1104 2018-09-05  Jonathan Wakely  <jwakely@redhat.com>
1105
1106         * libsupc++/cxxabi.h (__cxa_demangle): Clarify doxygen comment.
1107
1108 2018-09-03  Jonathan Wakely  <jwakely@redhat.com>
1109
1110         PR libstdc++/78179
1111         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: New test
1112         that runs the long double part of hypot.cc.
1113         * testsuite/26_numerics/headers/cmath/hypot.cc: Disable long double
1114         tests unless TEST_HYPOT_LONG_DOUBLE is defined.
1115
1116         * include/bits/stl_vector.h (vector::_Temporary_value::_M_ptr):
1117         Return raw pointer not allocator's pointer type.
1118         (vector::_Temporary_value::_M_val): Use _M_ptr.
1119
1120         PR libstdc++/87194
1121         * include/bits/stl_map.h
1122         (map::map(initializer_list<value_type>, const Compare&, const Alloc&))
1123         (map::map(initializer_list<value_type>, const Alloc&))
1124         (map::map(InputIterator, InputIterator, const Alloc&))
1125         (map::map(InputIterator, InputIterator))
1126         (map::map(InputIterator, InputIterator, const Compare&, const Alloc&))
1127         (map::insert(InputIterator, InputIterator)):
1128         Call _M_insert_range_unique instead of _M_insert_unique.
1129         * include/bits/stl_multimap.h
1130         (multimap::multimap(initializer_list<value_type>, const C&, const A&))
1131         (multimap::multimap(initializer_list<value_type>, const A&))
1132         (multimap::multimap(InputIterator, InputIterator, const A&))
1133         (multimap::multimap(InputIterator, InputIterator))
1134         (multimap::multimap(InputIterator, InputIterator, const C&, const A&))
1135         (multimap::insert(InputIterator, InputIterator)): Call
1136         _M_insert_range_equal instead of _M_insert_equal.
1137         * include/bits/stl_multiset.h
1138         (multiset::multiset(InputIterator, InputIterator))
1139         (multiset::multiset(InputIterator, InputIterator, const C&, const A&))
1140         (multiset::multiset(initializer_list<value_type>, const C&, const A&))
1141         (multiset::multiset(initializer_list<value_type>, const A&))
1142         (multiset::multiset(InputIterator, InputIterator, const A&))
1143         (multiset::insert(InputIterator, InputIterator)): Call
1144         _M_insert_range_equal instead of _M_insert_equal.
1145         * include/bits/stl_set.h
1146         (set::set(InputIterator, InputIterator))
1147         (set::set(InputIterator, InputIterator, const Compare&, const Alloc&))
1148         (set::set(initializer_list<value_type>, const Compare&, const Alloc&))
1149         (set::set(initializer_list<value_type>, const Alloc&))
1150         (set::set(InputIterator, InputIterator, const Alloc&))
1151         (set::insert(InputIterator, InputIterator)):
1152         Call _M_insert_range_unique instead of _M_insert_unique.
1153         * include/bits/stl_tree.h
1154         [__cplusplus >= 201103L] (_Rb_tree::__same_value_type): New alias
1155         template for SFINAE constraints.
1156         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_unique): Pair of
1157         constrained overloads that either insert or emplace, depending on
1158         iterator's value_type.
1159         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_equal): Likewise.
1160         [__cplusplus < 201103L] (_Rb_tree::_M_insert_range_unique)
1161         (_Rb_tree::_M_insert_range_equal): New functions replacing range
1162         versions of _M_insert_unique and _M_insert_equal.
1163         (_Rb_tree::_M_insert_unique(_InputIterator, _InputIterator))
1164         (_Rb_tree::_M_insert_equal(_InputIterator, _InputIterator)): Remove.
1165         * testsuite/23_containers/map/modifiers/insert/87194.cc: New test.
1166         * testsuite/23_containers/multimap/modifiers/insert/87194.cc: New test.
1167         * testsuite/23_containers/multiset/modifiers/insert/87194.cc: New test.
1168         * testsuite/23_containers/set/modifiers/insert/87194.cc: New test.
1169
1170         PR libstdc++/78595
1171         * include/bits/stl_map.h (map::insert(_Pair&&))
1172         (map::insert(const_iterator, _Pair&&)): Do emplace instead of insert.
1173         * include/bits/stl_multimap.h (multimap::insert(_Pair&&))
1174         (multimap::insert(const_iterator, _Pair&&)): Likewise.
1175         * include/bits/unordered_map.h (unordered_map::insert(_Pair&&))
1176         (unordered_map::insert(const_iterator, _Pair&&))
1177         (unordered_multimap::insert(_Pair&&))
1178         (unordered_multimap::insert(const_iterator, _Pair&&)): Likewise.
1179         * testsuite/23_containers/map/modifiers/insert/78595.cc: New test.
1180         * testsuite/23_containers/multimap/modifiers/insert/78595.cc: New test.
1181         * testsuite/23_containers/unordered_map/modifiers/78595.cc: New test.
1182         * testsuite/23_containers/unordered_multimap/modifiers/78595.cc: New
1183         test.
1184
1185 2018-09-02  François Dumont  <fdumont@gcc.gnu.org>
1186
1187         * include/debug/safe_iterator.h
1188         (_Safe_iterator<_It, _Seq, _Cat>::_Self): New.
1189         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>::_Self):
1190         New.
1191         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1192         ::_OtherSelf): New.
1193         (_GLIBCXX_DEBUG_VERIFY_OPERANDS, _GLIBCXX_DEBUG_VERIFY_EQ_OPERANDS)
1194         (_GLIBCXX_DEBUG_VERIFY_REL_OPERANDS)
1195         (_GLIBCXX_DEBUG_VERIFY_DIST_OPERANDS): Define macros.
1196         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1197         ::operator+(difference_type)): Use latters, inline as friend.
1198         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1199         ::operator-(difference_type)): Likewise.
1200         (operator==(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1201         Likewise.
1202         (operator!=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1203         Likewise.
1204         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1205         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1206         Likewise.
1207         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1208         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1209         Likewise.
1210         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1211         (operator+(difference_type, const _Safe_iterator<>&)): Likewise.
1212         (operator-(const _Safe_iterator<>&, difference_type)): Likewise.
1213         * include/debug/safe_iterator.tcc
1214         (_Safe_iterator<>::_M_can_advance(difference_type)): Take parameter by
1215         copy.
1216         * include/debug/safe_local_iterator.h
1217         (_Safe_local_iterator<_It, _Seq>::_Self): New.
1218         (_Safe_local_iterator<_It, _Seq>::_OtherSelf): New.
1219         (_GLIBCXX_DEBUG_VERIFY_OPERANDS): Define macro.
1220         (operator==(const _Safe_local_iterator<>&,
1221         const _Safe_local_iterator<>&)): Use latter, inline as friend.
1222         (operator!=(const _Safe_local_iterator<>&,
1223         const _Safe_local_iterator<>&)): Likewise.
1224         * testsuite/util/testsuite_containers.h: Include utility.
1225         (struct forward_members_unordered<_Tp, bool>): Remove 2nd template
1226         parameter.
1227         (forward_members_unordered<>::forward_members_unordered(value_type&)):
1228         Add using namespace std::rel_ops.
1229         Add iterator_concept_checks on local_iterator and const_local_iterator.
1230         Add asserts on comparison between const_local_iterator and
1231         local_iterator.
1232         (struct forward_members_unordered<_Tp, false>): Remove partial
1233         specialization.
1234         * testsuite/23_containers/forward_list/types/1.cc: New.
1235         * testsuite/23_containers/list/types/1.cc: New.
1236
1237 2018-09-01  Gerald Pfeifer  <gerald@pfeifer.com>
1238
1239         * doc/xml/manual/profile_mode.xml: Update three ieeexplore.ieee.org
1240         references.
1241
1242 2018-08-31  Sandra Loosemore  <sandra@codesourcery.com>
1243
1244         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/10.cc:
1245         Add dg-require-fileio.
1246         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/11.cc:
1247         Likewise.
1248         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/5.cc:
1249         Likewise.
1250         * testsuite/21_strings/basic_string_view/inserters/wchar_t/2.cc:
1251         Likewise.
1252         * testsuite/25_algorithms/copy/streambuf_iterators/wchar_t/4.cc:
1253         Likewise.
1254         * testsuite/25_algorithms/find/istreambuf_iterators/wchar_t/2.cc:
1255         Likewise.
1256         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-1.cc: Likewise.
1257         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-2.cc: Likewise.
1258         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-3.cc: Likewise.
1259         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-4.cc: Likewise.
1260         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/11543.cc: Likewise.
1261         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-1.cc:
1262         Likewise.
1263         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-2.cc:
1264         Likewise.
1265         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-3.cc:
1266         Likewise.
1267         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-4.cc:
1268         Likewise.
1269         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-1.cc:
1270         Likewise.
1271         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-2.cc:
1272         Likewise.
1273         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-4.cc:
1274         Likewise.
1275         * testsuite/27_io/basic_filebuf/underflow/wchar_t/2.cc: Likewise.
1276         * testsuite/27_io/basic_filebuf/underflow/wchar_t/3.cc: Likewise.
1277         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: Likewise.
1278         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: Likewise.
1279         * testsuite/27_io/basic_istream/extractors_character/wchar_t/4.cc:
1280         Likewise.
1281         * testsuite/27_io/basic_istream/extractors_other/wchar_t/2.cc:
1282         Likewise.
1283         * testsuite/27_io/basic_istream/get/wchar_t/2.cc: Likewise.
1284         * testsuite/27_io/basic_istream/getline/wchar_t/5.cc: Likewise.
1285         * testsuite/27_io/basic_istream/ignore/wchar_t/2.cc: Likewise.
1286         * testsuite/27_io/basic_istream/ignore/wchar_t/3.cc: Likewise.
1287         * testsuite/27_io/basic_istream/seekg/wchar_t/sstream.cc: Likewise.
1288         * testsuite/27_io/basic_istream/tellg/wchar_t/sstream.cc: Likewise.
1289         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: Likewise.
1290         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: Likewise.
1291         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/1.cc:
1292         Likewise.
1293         * testsuite/27_io/objects/wchar_t/10.cc: Likewise.
1294         * testsuite/27_io/objects/wchar_t/12048-1.cc: Likewise.
1295         * testsuite/27_io/objects/wchar_t/12048-2.cc: Likewise.
1296         * testsuite/27_io/objects/wchar_t/12048-3.cc: Likewise.
1297         * testsuite/27_io/objects/wchar_t/12048-4.cc: Likewise.
1298         * testsuite/27_io/objects/wchar_t/12048-5.cc: Likewise.
1299         * testsuite/experimental/string_view/inserters/wchar_t/2.cc:
1300         Likewise.
1301         * testsuite/ext/stdio_sync_filebuf/wchar_t/1.cc: Likewise.
1302
1303 2018-08-30  Sandra Loosemore  <sandra@codesourcery.com>
1304
1305         * testsuite/experimental/propagate_const/observers/1.cc: Make
1306         dependence on -fdelete-null-pointer-checks explicit.
1307
1308 2018-08-30  Jonathan Wakely  <jwakely@redhat.com>
1309
1310         * include/bits/hashtable_policy.h (__clp2): Fix calculation for LLP64
1311         targets where sizeof(size_t) > sizeof(long). Avoid undefined shifts
1312         of the number of bits in the type.
1313         * include/std/bit (__ceil2): Avoid undefined shifts.
1314         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Test values with
1315         the most signifiant bit set.
1316
1317         * config/abi/pre/gnu.ver: Add missing exports for mingw.
1318
1319         * include/ext/pointer.h (_Pointer_adapter): Define operators for
1320         pointer arithmetic using long long offsets.
1321         * testsuite/ext/ext_pointer/1.cc: Test pointer arithmetic using
1322         long long values.
1323
1324 2018-08-29  Jonathan Wakely  <jwakely@redhat.com>
1325
1326         PR libstdc++/31413
1327         * testsuite/22_locale/time_get/get_date/wchar_t/4.cc: Check D_FMT
1328         string for alternative format.
1329
1330 2018-08-28  Jonathan Wakely  <jwakely@redhat.com>
1331
1332         PR libstdc++/87116
1333         * src/filesystem/std-path.cc (path::lexically_normal): When handling
1334         a dot-dot filename, preserve an empty final component in the iteration
1335         sequence.
1336         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use preferred-separator for
1337         root-directory.
1338         * testsuite/27_io/filesystem/path/generation/normal.cc: Add new tests
1339         for more than two adjacent dot-dot filenames.
1340         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Replace slashes with
1341         preferred-separator in expected normalized strings.
1342
1343 2018-08-25  Iain Sandoe  <iain@sandoe.co.uk>
1344
1345         PR libstdc++/70694
1346         * configure.host (OPT_LDFLAGS): Don't append
1347         -fvisibility-inlines-hidden for newer Darwin.
1348
1349 2018-08-24  Marc Glisse  <marc.glisse@inria.fr>
1350
1351         PR libstdc++/86822
1352         * libsupc++/new (operator new(size_t, nothrow_t), operator
1353         new[](size_t, nothrow_t), operator new(size_t, align_val_t, nothrow_t),
1354         operator new[](size_t, align_val_t, nothrow_t)): Add malloc attribute.
1355
1356 2018-08-24  Jonathan Wakely  <jwakely@redhat.com>
1357
1358         * include/debug/deque (std::__debug::deque): Declare.
1359         * include/debug/forward_list (std::__debug::forward_list): Declare.
1360         * include/debug/list (std::__debug::list): Declare.
1361         * include/debug/map (std::__debug::map): Declare.
1362         * include/debug/set (std::__debug::set): Declare.
1363         * include/debug/unordered_map (std::__debug::unordered_map): Declare.
1364         * include/debug/unordered_set (std::__debug::unordered_set): Declare.
1365         * include/debug/vector (std::__debug::vector): Declare.
1366         * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: New test.
1367         * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: New
1368         test.
1369         * testsuite/23_containers/list/pmr_typedefs_debug.cc: New test.
1370         * testsuite/23_containers/map/pmr_typedefs_debug.cc: New test.
1371         * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: New test.
1372         * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: New test.
1373         * testsuite/23_containers/set/pmr_typedefs_debug.cc: New test.
1374         * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc: New
1375         test.
1376         * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
1377         New test.
1378         * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
1379         New test.
1380         * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc: New
1381         test.
1382         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
1383         Adjust dg-error lineno.
1384         * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: New
1385         test.
1386
1387 2018-08-23  Jonathan Wakely  <jwakely@redhat.com>
1388
1389         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
1390         Only define when RTTI is enabled.
1391
1392         * include/debug/vector (__niter_base): Define for C++98.
1393
1394         * testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
1395         Fix C++98 test to not use C++11 features.
1396         * testsuite/25_algorithms/fill_n/2.cc: Likewise.
1397
1398         * scripts/check_compile: Fix comments.
1399
1400         * include/debug/string (insert(__const_iterator, _InIter, _InIter)):
1401         [!_GLIBCXX_USE_CXX11_ABI]: Replace use of C++11-only cbegin() with
1402         begin(), for C++98 compatibility.
1403
1404         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
1405         (basic_string::__const_iterator): Change access to protected.
1406         [!_GLIBCXX_USE_CXX11_ABI] (basic_string::__const_iterator): Define
1407         as typedef for iterator.
1408         * include/debug/string (__const_iterator): Use typedef from base.
1409         (insert(const_iterator, _CharT))
1410         (replace(const_iterator, const_iterator, const basic_string&))
1411         (replace(const_iterator, const_iterator, const _CharT*, size_type))
1412         (replace(const_iterator, const_iterator, const CharT*))
1413         (replace(const_iterator, const_iterator, size_type, _CharT))
1414         (replace(const_iterator, const_iterator, _InputIter, _InputIter))
1415         (replace(const_iterator, const_iterator, initializer_list<_CharT>)):
1416         Change const_iterator parameters to __const_iterator.
1417         (insert(iterator, size_type, _CharT)): Add C++98 overload.
1418         (insert(const_iterator, _InputIterator, _InputIterator)): Change
1419         const_iterator parameter to __const_iterator.
1420         [!_GLIBCXX_USE_CXX11_ABI]: Add workaround for incorrect return type
1421         of base's member function.
1422         (insert(const_iterator, size_type, _CharT)) [!_GLIBCXX_USE_CXX11_ABI]:
1423         Likewise.
1424         (insert(const_iterator, initializer_list<_CharT>))
1425         [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
1426         * testsuite/21_strings/basic_string/init-list.cc: Remove effective
1427         target directive.
1428
1429         * testsuite/20_util/reference_wrapper/lwg2993.cc: Fix C++11 test to
1430         not use C++14 feature.
1431         * testsuite/23_containers/list/68222_neg.cc: Likewise.
1432
1433         * testsuite/21_strings/basic_string/init-list.cc:
1434         Require cxx11-abi.
1435         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
1436         Likewise.
1437         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
1438         Likewise.
1439
1440         * testsuite/23_containers/deque/capacity/max_size.cc: Fix test for
1441         C++98 mode.
1442         * testsuite/23_containers/deque/modifiers/assign/1.cc: Likewise.
1443         * testsuite/23_containers/list/modifiers/assign/1.cc: Likewise.
1444         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: Likewise.
1445         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
1446         * testsuite/23_containers/vector/modifiers/assign/1.cc: Likewise.
1447
1448 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
1449
1450         PR libstdc++/87061
1451         * include/experimental/regex [!_GLIBCXX_USE_CXX11_ABI]
1452         (experimental::pmr::match_results, experimental::pmr::cmatch)
1453         (experimental::pmr::smatch, experimental::pmr::wcmatch)
1454         (experimental::pmr::wsmatch): Do not declare for gcc4-compatible ABI,
1455         because COW strings don't support C++11 allocator model.
1456         * include/experimental/string [!_GLIBCXX_USE_CXX11_ABI]
1457         (experimental::pmr::basic_string, experimental::pmr::string)
1458         (experimental::pmr::u16string, experimental::pmr::u32string)
1459         (experimental::pmr::wstring): Likewise.
1460         * include/std/regex [!_GLIBCXX_USE_CXX11_ABI] (pmr::match_results)
1461         (pmr::cmatch, pmr::smatch, pmr::wcmatch, pmr::wsmatch): Likewise.
1462         * include/std/string [!_GLIBCXX_USE_CXX11_ABI] (pmr::basic_string)
1463         (pmr::string, pmr::u16string, pmr::u32string, pmr::wstring): Likewise.
1464         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Require
1465         cxx11-abi.
1466         * testsuite/28_regex/match_results/pmr_typedefs.cc: Likewise.
1467
1468         PR libstdc++/78448
1469         * include/bits/deque.tcc (deque::_M_range_initialize): Use
1470         _S_check_init_len to check size.
1471         (deque::_M_push_back_aux, deque::_M_push_front_aux): Throw length
1472         error if size would exceed max_size().
1473         * include/bits/stl_deque.h (_Deque_base::size_type): Remove typedef.
1474         (_Deque_base(_Deque_base&&, const allocator_type&, size_t)): Use
1475         size_t instead of size_type.
1476         (deq(size_type, const allocator_type&)
1477         (deq(size_type, const value_type&, const allocator_type&)
1478         (deque::_M_initialize_dispatch): Use _S_check_init_len to check size.
1479         (deque::max_size): Call _S_max_size.
1480         (deque::_S_check_init_len, deque::_S_max_size): New functions.
1481         * include/bits/stl_vector.h (vector(size_type, const allocator_type&))
1482         (vector(size_type, const value_type&, const allocator_type&))
1483         (vector::_M_initialize_dispatch, vector::_M_range_initialize): Use
1484         _S_check_init_len to check size.
1485         (vector::max_size): Call _S_max_size.
1486         (vector::_M_check_len): Prevent max from being expanded as a
1487         function-like macro.
1488         (vector::_S_check_init_len, vector::_S_max_size): New functions.
1489         * include/bits/vector.tcc (vector::_M_assign_aux): Use
1490         _S_check_init_len to check size.
1491         * testsuite/23_containers/deque/capacity/max_size.cc: New test.
1492         * testsuite/23_containers/vector/capacity/max_size.cc: New test.
1493
1494 2018-08-22  François Dumont  <fdumont@gcc.gnu.org>
1495
1496         PR libstdc++/68222
1497         * include/debug/safe_iterator.h
1498         (_Safe_iterator<_It, _Sq, _Cat>): Add category template parameter.
1499         (_Safe_iterator<>::_Const_iterator): Remove.
1500         (_Safe_iterator<>::_IsConstant): New.
1501         (_Safe_iterator<>::_OtherIterator): New.
1502         (_Safe_iterator<_It, _Sq, _Cat>::_Safe_iterator<_MutIte>(
1503         const _Safe_iterator<_MutIte, _Sq, _Cat>&)): Add _IsConstant::__value in
1504         __gnu_cxx::__enable_if condition.
1505         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to): New.
1506         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_from_begin): New.
1507         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to_end): New.
1508         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>): New.
1509         (_Safe_iterator<_It, _Sq, _Cat>::operator--()): Move...
1510         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
1511         ::operator--()): ...here.
1512         (_Safe_iterator<_It, _Sq, _Cat>::operator--(int)): Move...
1513         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
1514         ::operator--(int)): ...here.
1515         (_Safe_iterator<_It, _Sq, _Cat>::_M_decrementable()): Move...
1516         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
1517         ::_M_decrementable()): ...here.
1518         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>): New.
1519         (_Safe_iterator<_It, _Sq, _Cat>::operator[](const difference_type&)):
1520         Move...
1521         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
1522         ::operator[](const difference_type&)): ...here.
1523         (_Safe_iterator<_It, _Sq, _Cat>::operator+=(const difference_type&)):
1524         Move...
1525         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
1526         ::operator+=(const difference_type&)): ...here.
1527         (_Safe_iterator<_It, _Sq, _Cat>::operator+(const difference_type&)):
1528         Move...
1529         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
1530         ::operator+(const difference_type&)): ...here.
1531         (_Safe_iterator<_It, _Sq, _Cat>::operator-=(const difference_type&)):
1532         Move...
1533         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
1534         ::operator-=(const difference_type&)): ...here.
1535         (_Safe_iterator<_It, _Sq, _Cat>::operator-(const difference_type&)):
1536         Move...
1537         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
1538         ::operator-(const difference_type&)): ...here.
1539         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1540         Constraint to random access iterators.
1541         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1542         Likewise.
1543         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1544         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1545         Likewise.
1546         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1547         (operator+(const difference_type&, const _Safe_iterator<>&)): Likewise.
1548         (__check_dereferenceable(const _Safe_iterator<>&)): Remove.
1549         (__get_distance): Remove.
1550         (__get_distance_from_begin): Remove.
1551         (__get_distance_to_end): Remove.
1552         (struct __is_safe_random_iterator<_Safe_iterator<>>): Remove partial
1553         specialization.
1554         (__base(const _Safe_iterator<>&, std::input_iterator_tag)): Remove.
1555         (__base(const _Safe_iterator<>&, std::random_access_iterator_tag)): Remove.
1556         (__base(const _Safe_iterator<>&)): Constraint to random access iterator.
1557         * include/debug/safe_iterator.tcc
1558         (_Safe_iterator<>::_M_get_distance_from_begin()): New.
1559         (_Safe_iterator<>::_M_get_distance_to_end()): New.
1560         (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator<>&)): New.
1561         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1562         ::_M_valid_range): New.
1563         * include/debug/safe_local_iterator.h
1564         (_Safe_local_iterator<>::_Const_local_iterator): Remove.
1565         (_Safe_local_iterator<>::_IsConstant): New.
1566         (_Safe_local_iterator<>::_OtherIterator): New.
1567         (_Safe_local_iterator<_It, _Cont>::_Safe_local_iterator<_MutIte, _Cont>(
1568         const _Safe_local_iterator<_MutIte, _Seq>&)): Add _IsConstant::__value
1569         in __gnu_cxx::__enable_if condition. If singular compare base iterator
1570         with _MutIte rather than _It.
1571         (_Safe_local_iterator<>::_S_constant): Make constexpr.
1572         (_Safe_local_iterator<>::_M_get_distance_to): New.
1573         (__check_dereferenceable(const _Safe_local_iterator<>&)): Remove.
1574         (__get_distance(const _Safe_local_iterator<>&,
1575         const _Safe_local_iterator<>&, std::input_iterator_tag)): Remove.
1576         (__valid_range(const _Safe_local_iterator<>&,
1577         const _Safe_local_iterator<>&)): New.
1578         * include/debug/safe_local_iterator.tcc
1579         (_Safe_local_iterator<>::_M_get_distance_to): New.
1580         * include/debug/deque (std::__debug::deque<>): Add
1581         ::__gnu_debug::_Safe_iterator<> friend declaration.
1582         * include/debug/forward_list (std::__debug::forward_list<>): Likewise.
1583         * include/debug/list (std::__debug::list<>): Likewise.
1584         * include/debug/map.h (std::__debug::map<>): Likewise.
1585         * include/debug/multimap.h (std::__debug::multimap<>): Likewise.
1586         * include/debug/set.h (std::__debug::set<>): Likewise.
1587         * include/debug/multiset.h (std::__debug::multiset<>): Likewise.
1588         * include/debug/string (std::__debug::basic_string<>): Likewise.
1589         * include/debug/unordered_map (std::__debug::unordered_map<>): Likewise
1590         and add ::__gnu_debug::_Safe_local_iterator<> friend declaration.
1591         (std::__debug::unordered_multimap<>): Likewise.
1592         * include/debug/unordered_set (std::__debug::unordered_set<>): Likewise.
1593         (std::__debug::unordered_multiset<>): Likewise.
1594         * include/debug/formatter.h: Adapt.
1595         * include/debug/helper_functions.h
1596         (__gnu_debug::_Safe_local_iterator<>): Add declaration.
1597         (__get_distance<_Ite>(_Ite, _Ite, std::random_access_iterator_tag):
1598         Pass parameter by copy.
1599         (__get_distance<_Ite>(_Ite, _Ite, std::input_iterator_tag): Likewise.
1600         (__get_distance<_Ite>(_Ite, _Ite): Likewise.
1601         (__valid_range_aux<_Integral>): Pass _Integral by copy.
1602         (__valid_range<_InputIterator>): Pass _InputIterator by copy.
1603         (__valid_range<>(const _Safe_iterator<>&,
1604         const _Safe_iterator<>&, typename _Distance_traits<>::__type&)):
1605         Declare.
1606         (__valid_range(const _Safe_local_iterator<>&,
1607         const _Safe_local_iterator<>&, typename _Distance_traits<>::__type&)):
1608         Declare.
1609         (__valid_range<>(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1610         Declare.
1611         (__valid_range(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&)):
1612         Declare.
1613         (__can_advance): Adapt.
1614         (struct __is_safe_random_iterator<>): Remove.
1615         (struct _SIter_base<>): Remove.
1616         * include/debug/functions.h: Include <bits/stl_iterator.h>.
1617         (__check_dereferenceable): Remove.
1618         (__foreign_iterator_aux4, __foreign_iterator_aux3): Adapt.
1619         (__foreign_iterator_aux2, __foreign_iterator_aux): Adapt.
1620         (__foreign_iterator): Adapt.
1621         * include/debug/stl_iterator.h
1622         (__is_safe_random_iterator<std::reverse_iterator<>>): Remove.
1623         (__base(const std::reverse_iterator<_Safe_iterator<_It, _Sq>)):
1624         Constraint for random access iterators.
1625         (__niter_base): Adapt.
1626         * testsuite/util/testsuite_containers.h:
1627         Include <bits/boost_concept_check.h>.
1628         (iterator_concept_checks<_It, _Mutable, _Category>): New.
1629         (citerator<_Cont>::forward_members::forward_members()): Instantiate
1630         latter for container iterator and const_iterator.
1631         * testsuite/23_containers/list/68222_neg.cc: New.
1632         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: Adapt
1633         line number.
1634         * testsuite/23_containers/unordered_set/debug/debug_functions.cc:
1635         (test01): Remove.
1636         * testsuite/23_containers/vector/debug/debug_functions.cc (test01):
1637         Remove.
1638
1639 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
1640
1641         PR libstdc++/77854
1642         * doc/xml/manual/status_cxx1998.xml: Document size_type and
1643         difference_type for containers.
1644         * doc/html/*: Regenerate.
1645
1646 2018-08-21  François Dumont  <fdumont@gcc.gnu.org>
1647
1648         P0646R1 Improving the Return Value of Erase-Like Algorithms I
1649         * include/debug/forward_list (forward_list::__remove_return_type):
1650         Define typedef as size_type or void, according to __cplusplus value.
1651         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
1652         empty, according to __cplusplus value.
1653         (_GLIBCXX20_ONLY): Define macro.
1654         (forward_list::remove, forward_list::unique): Use typedef and macro
1655         to change return type and add abi-tag for C++2a. Return number of
1656         removed elements for C++2a.
1657         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
1658         typedef to change return type for C++2a. Return number of removed
1659         elements for C++2a.
1660         * include/debug/list (list::__remove_return_type): Define typedef as
1661         size_type or void, according to __cplusplus value.
1662         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
1663         empty, according to __cplusplus value.
1664         (_GLIBCXX20_ONLY): Define macro.
1665         (list::remove, list::unique): Use typedef and macro to change return
1666         type and add abi-tag for C++2a. Return number of removed elements for
1667         C++2a.
1668         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use typedef
1669         to change return type for C++2a. Return number of removed elements for
1670         C++2a.
1671
1672 2018-08-21  David Edelsohn  <dje.gcc@gmail.com>
1673
1674         * testsuite/18_support/new_nothrow.cc: XFAIL on AIX.
1675
1676 2018-08-21  Jonathan Wakely  <jwakely@redhat.com>
1677
1678         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Remove
1679         redundant dg-do directive.
1680         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
1681         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
1682         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
1683         * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
1684
1685 2018-08-20  Jonathan Wakely  <jwakely@redhat.com>
1686
1687         PR libstdc++/86963
1688         * include/std/tuple (_Tuple_impl::operator=): Define as deleted.
1689         (_Tuple_impl::_M_assign): New functions to perform assignment instead
1690         of assignment operators.
1691         (_Tuple_impl::_M_swap): Remove exception specification.
1692         (_Tuple_impl<_Idx, _Head>): Likewise.
1693         (_TC::_NonNestedTuple, _TC::_NotSameTuple): Use __remove_cvref_t.
1694         (__tuple_base): Remove.
1695         (tuple, tuple<_T1, _T2>): Remove inheritance from __tuple_base.
1696         (tuple::operator=, tuple<_T1, _T2>::operator=): Call _M_assign.
1697         (tuple::swap, tuple<_T1, _T2>::swap): Define exception specification
1698         using __is_nothrow_swappable.
1699         (tuple<_T1, _T2>::tuple(_U1&&, _U2&&)): Use __remove_cvref_t.
1700
1701         * include/std/optional (_Optional_payload): Use variable templates
1702         for conditions in default template arguments and exception
1703         specifications.
1704         (optional): Likewise. Adjust indentation.
1705         (optional::__not_self, optional::__not_tag, optional::_Requires): New
1706         SFINAE helpers.
1707         (optional::optional): Use new helpers in constructor constraints.
1708         * include/std/type_traits (__or_v, __and_v): New variable templates.
1709         * testsuite/20_util/optional/cons/value_neg.cc: Change dg-error to
1710         dg-prune-output. Remove unused header.
1711
1712 2018-08-18  François Dumont  <fdumont@gcc.gnu.org>
1713
1714         * testsuite/25_algorithms/copy/86658.cc: Use dg-options to define
1715         _GLIBCXX_DEBUG.
1716
1717 2018-08-17  Jonathan Wakely  <jwakely@redhat.com>
1718
1719         PR libstdc++/86963
1720         * include/std/tuple (__tuple_base): New class template with deleted
1721         copy assignment operator.
1722         (tuple, tuple<_T1, _T2>): Derive from __tuple_base<tuple> so that
1723         implicit copy/move assignment operator will be deleted/suppressed.
1724         (tuple::__assignable, tuple<_T1, _T2>::__assignable): New helper
1725         functions for SFINAE constraints on assignment operators.
1726         (tuple::__nothrow_assignable, tuple<_T1, _T2>::__nothrow_assignable):
1727         New helper functions for exception specifications.
1728         (tuple::operator=(const tuple&), tuple::operator=(tuple&&))
1729         (tuple<_T1, _T2>::operator=(const tuple&))
1730         (tuple<_T1, _T2>::operator=(tuple&&)): Change parameter types to
1731         __nonesuch_no_braces when the operator should be defined implicitly.
1732         Use __nothrow_assignable for exception specifications.
1733         (tuple::operator=(const tuple<_UElements...>&))
1734         (tuple::operator=(tuple<_UElements...>&&))
1735         (tuple<_T1, _T2>::operator=(const tuple<_U1, _U2>&))
1736         (tuple<_T1, _T2>::operator=(tuple<_U1, _U2>&&))
1737         (tuple<_T1, _T2>::operator=(const pair<_U1, _U2>&))
1738         (tuple<_T1, _T2>::operator=(pair<_U1, _U2>&&)): Constrain using
1739         __assignable and use __nothrow_assignable for exception
1740         specifications.
1741         * python/libstdcxx/v6/printers.py (is_specialization_of): Accept
1742         gdb.Type as first argument, instead of a string.
1743         (StdTuplePrinter._iterator._is_nonempty_tuple): New method to check
1744         tuple for expected structure.
1745         (StdTuplePrinter._iterator.__init__): Use _is_nonempty_tuple.
1746         * testsuite/20_util/tuple/dr2729.cc: New test.
1747         * testsuite/20_util/tuple/element_access/get_neg.cc: Change dg-error
1748         to dg-prune-output.
1749
1750 2018-08-16  Jonathan Wakely  <jwakely@redhat.com>
1751
1752         * include/tr1/legendre_function.tcc (__sph_legendre): Avoid warning
1753         about signed/unsigned comparison.
1754
1755         * include/std/ostream (basic_ostream::sentry::~sentry): Suppress
1756         deprecation warnings for using uncaught_exception().
1757
1758         PR libstdc++/86447
1759         * src/c++11/cow-stdexcept.cc [_GLIBCXX_FULLY_DYNAMIC_STRING]
1760         (logic_error::logic_error(logic_error&&))
1761         (logic_error::operator=(logic_error&&))
1762         (runtime_error::runtime_error(runtime_error&&))
1763         (runtime_error::operator=(runtime_error&&)): Copy strings instead of
1764         moving, to avoid allocating empty reps for moved-from strings.
1765
1766 2018-08-15  Jonathan Wakely  <jwakely@redhat.com>
1767
1768         * include/experimental/regex: Remove begin/end macros for namespace.
1769         * include/experimental/string: Likewise.
1770         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc:
1771         New test.
1772         * testsuite/experimental/polymorphic_allocator/
1773         pmr_typedefs_forward_list.cc: New test.
1774         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc:
1775         New test.
1776         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc:
1777         New test.
1778         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
1779         New test.
1780         * testsuite/experimental/polymorphic_allocator/
1781         pmr_typedefs_multimap.cc: New test.
1782         * testsuite/experimental/polymorphic_allocator/
1783         pmr_typedefs_multiset.cc: New test.
1784         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc:
1785         New test.
1786         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
1787         New test.
1788         * testsuite/experimental/polymorphic_allocator/
1789         pmr_typedefs_unordered_map.cc: New test.
1790         * testsuite/experimental/polymorphic_allocator/
1791         pmr_typedefs_unordered_multimap.cc: New test.
1792         * testsuite/experimental/polymorphic_allocator/
1793         pmr_typedefs_unordered_multiset.cc: New test.
1794         * testsuite/experimental/polymorphic_allocator/
1795         pmr_typedefs_unordered_set.cc: New test.
1796         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc:
1797         New test.
1798
1799         * include/bits/uses_allocator.h (__uses_allocator_construct): Qualify
1800         calls to __uses_allocator_construct_impl and __use_alloc.
1801         * include/experimental/memory_resource
1802         (polymorphic_allocator::_M_construct): Remove.
1803         (polymorphic_allocator::construct): Call __uses_allocator_construct.
1804         Qualify calls to __use_alloc.
1805         * include/std/memory_resource (polymorphic_allocator::construct): Fix
1806         type in SFINAE constraint. Use constexpr if instead of tag dispatching
1807         to _S_construct overloads.
1808         (polymorphic_allocator::construct(pair<T1, T2>*, ...)): Fix order of
1809         arguments to _S_construct_p.
1810         (polymorphic_allocator::_S_construct): Remove.
1811         (polymorphic_allocator::_S_construct_p): Return allocators by value
1812         not by reference.
1813         * include/std/scoped_allocator (scoped_allocator_adaptor::construct):
1814         Qualify calls to __use_alloc.
1815         * testsuite/20_util/polymorphic_allocator/construct_pair.cc: New test,
1816         copied from testsuite/20_util/scoped_allocator/construct_pair.cc.
1817         * testsuite/experimental/polymorphic_allocator/1.cc: New test.
1818         * testsuite/experimental/polymorphic_allocator/construct_pair.cc:
1819         New test.
1820
1821         * src/c++17/memory_resource.cc [!_GLIBCXX_HAS_GTHREADS]
1822         (atomic_mem_res): Add unsynchronized definition for single-threaded.
1823
1824 2018-08-14  Jonathan Wakely  <jwakely@redhat.com>
1825
1826         PR libstdc++/86954
1827         * include/bits/stl_tempbuf.h (return_temporary_buffer): Use
1828         non-placement delete.
1829
1830         * include/std/chrono (__check_overflow): Simplify definition.
1831         (_Checked_integral_constant): Remove.
1832
1833         PR libstdc++/86846
1834         * src/c++17/default_resource.h: New file, defining default_res.
1835         * src/c++17/memory_resource.cc [ATOMIC_POINTER_LOCK_FREE != 2]
1836         (atomic_mem_res): Define alternative for atomic<memory_resource*>
1837         using a mutex instead of atomics.
1838
1839         PR libstdc++/85343
1840         * config/abi/pre/gnu.ver: Export new symbol.
1841         * doc/xml/manual/abi.xml: Document new versions.
1842         * include/bits/fstream.tcc (basic_filebuf<C, T>::underflow)
1843         (basic_filebuf<C, T>::xsgetn): Pass errno to __throw_ios_failure.
1844         * include/bits/functexcept.h (__throw_ios_failure(const char*, int)):
1845         Declare new overload.
1846         * src/c++11/cxx11-ios_failure.cc (__ios_failure): Add new constructor
1847         and static member function.
1848         (__throw_ios_failure(const char*, int)): Define.
1849         * src/c++98/ios_failure.cc [!_GLIBCXX_USE_DUAL_ABI]
1850         (__throw_ios_failure(const char*, int)): Define.
1851
1852 2018-08-14  Jeremy Sawicki  <jeremy-gcc@sawicki.us>
1853
1854         * include/ext/rope (_Rope_iterator_base(const _Rope_iterator_base&))
1855         (_Rope_const_iterator::operator=(const _Rope_const_iterator&))
1856         (_Rope_iterator::operator=(const _Rope_iterator&)): Ensure
1857         copied/assigned rope iterators don't retain pointers to the iterator
1858         they were copied/assigned from.
1859         * testsuite/ext/rope/7.cc: New.
1860
1861 2018-08-13  Jonathan Wakely  <jwakely@redhat.com>
1862
1863         PR libstdc++/45093
1864         * include/bits/stl_tree.h (_Rb_tree::_M_destroy_node(_Link_type)):
1865         Combine definitions to avoid --detect-odr-violations warning.
1866
1867         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Use
1868         __is_pow2 to check for valid alignment. Avoid branching when rounding
1869         size to multiple of alignment.
1870
1871         * include/Makefile.am: Install <bit> and <version> for freestanding.
1872         * include/Makefile.in: Regenerate.
1873         * testsuite/17_intro/freestanding.cc: Check for <bit> and <version>.
1874
1875         Revert
1876         2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
1877
1878         PR target/85904
1879         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
1880         Newlib.
1881         * configure: Regenerate.
1882
1883 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
1884
1885         PR libstdc++/68210
1886         * doc/xml/manual/intro.xml: Document LWG 206 change.
1887         * libsupc++/del_op.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
1888         * libsupc++/del_opa.cc: Likewise.
1889         * libsupc++/del_opant.cc: Likewise.
1890         * libsupc++/del_opnt.cc: Likewise. Call operator delete(ptr) instead
1891         of free(ptr).
1892         * libsupc++/del_ops.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
1893         * libsupc++/del_opsa.cc: Likewise.
1894         * libsupc++/del_opva.cc: Likewise.
1895         * libsupc++/del_opvant.cc: Likewise.
1896         * libsupc++/del_opvnt.cc: Likewise. Call operator delete[](ptr)
1897         instead of operator delete(ptr).
1898         * libsupc++/del_opvs.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
1899         * libsupc++/del_opvsa.cc: Likewise.
1900         * libsupc++/new_op.cc: Use __builtin_expect in check for zero size.
1901         * libsupc++/new_opa.cc: Use nullptr instead of literal 0.
1902         * libsupc++/new_opant.cc: Likewise. Replace _GLIBCXX_USE_NOEXCEPT
1903         with noexcept.
1904         * libsupc++/new_opnt.cc: Likewise. Call operator new(sz) instead of
1905         malloc(sz).
1906         * libsupc++/new_opvant.cc: Use nullptr and noexcept.
1907         * libsupc++/new_opvnt.cc: Likewise. Call operator new[](sz) instead of
1908         operator new(sz, nothrow).
1909         * testsuite/18_support/new_nothrow.cc: New test.
1910
1911 2018-08-10  Martin Liska  <mliska@suse.cz>
1912
1913         * libsupc++/new_op.cc (new): Remove __builtin_expect as malloc
1914         predictor can handle that.
1915         * libsupc++/new_opa.cc: Likewise.
1916         * libsupc++/new_opnt.cc (new): Likewise.
1917
1918 2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
1919
1920         PR target/85904
1921         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
1922         Newlib.
1923         * configure: Regenerate.
1924
1925 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
1926
1927         * include/std/deque (std::pmr::deque): Declare alias.
1928         * include/std/forward_list (std::pmr::forward_list): Likewise.
1929         * include/std/list (std::pmr::list): Likewise.
1930         * include/std/map (std::pmr::map, std::pmr::multimap): Likewise.
1931         * include/std/regex (std::pmr::match_results, std::pmr::cmatch)
1932         (std::pmr::smatch, std::pmr::wcmatch, std::pmr::wsmatch): Likewise.
1933         * include/std/set (std::pmr::set, std::pmr::multiset): Likewise.
1934         * include/std/string (std::pmr::basic_string, std::pmr::string)
1935         (std::pmr::u16string, std::pmr::u32string, std::pmr::wstring):
1936         Likewise.
1937         * include/std/unordered_map (std::pmr::unordered_map)
1938         (std::pmr::unordered_multimap): Likewise.
1939         * include/std/unordered_set (std::pmr::unordered_set)
1940         (std::pmr::unordered_multiset): Likewise.
1941         * include/std/vector (std::pmr::vector): Likewise.
1942         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: New test.
1943         * testsuite/23_containers/deque/types/pmr_typedefs.cc: New test.
1944         * testsuite/23_containers/forward_list/pmr_typedefs.cc: New test.
1945         * testsuite/23_containers/list/pmr_typedefs.cc: New test.
1946         * testsuite/23_containers/map/pmr_typedefs.cc: New test.
1947         * testsuite/23_containers/multimap/pmr_typedefs.cc: New test.
1948         * testsuite/23_containers/multiset/pmr_typedefs.cc: New test.
1949         * testsuite/23_containers/set/pmr_typedefs.cc: New test.
1950         * testsuite/23_containers/unordered_map/pmr_typedefs.cc: New test.
1951         * testsuite/23_containers/unordered_multimap/pmr_typedefs.cc: New
1952         test.
1953         * testsuite/23_containers/unordered_multiset/pmr_typedefs.cc: New
1954         test.
1955         * testsuite/23_containers/unordered_set/pmr_typedefs.cc: New test.
1956         * testsuite/23_containers/vector/pmr_typedefs.cc: New test.
1957         * testsuite/28_regex/match_results/pmr_typedefs.cc: New test.
1958
1959 2018-08-08  François Dumont  <fdumont@gcc.gnu.org>
1960
1961         * include/bits/stl_algo.h
1962         (__rotate(_Ite, _Ite, _Ite, forward_iterator_tag))
1963         (__rotate(_Ite, _Ite, _Ite, bidirectional_iterator_tag))
1964         (__rotate(_Ite, _Ite, _Ite, random_access_iterator_tag)): Move code
1965         duplication...
1966         (rotate(_Ite, _Ite, _Ite)): ...here.
1967         (__stable_partition_adaptive(_FIt, _FIt, _Pred, _Dist, _Pointer, _Dist)):
1968         Simplify rotate call.
1969         (__rotate_adaptive(_BIt1, _BIt1, _BIt1, _Dist, _Dist, _Bit2, _Dist)):
1970         Likewise.
1971         (__merge_without_buffer(_BIt, _BIt, _BIt, _Dist, _Dist, _Comp)):
1972         Likewise.
1973
1974 2018-08-08  Jonathan Wakely  <jwakely@redhat.com>
1975
1976         * libsupc++/new_opa.cc (aligned_alloc): Declare inside namespace to
1977         avoid clashing with an ::aligned_alloc function that was not detected
1978         by configure.
1979
1980         * doc/xml/manual/using.xml: Fix markup for empty table entry.
1981         * doc/html/*: Regenerate.
1982
1983         * doc/xml/manual/using.xml: Add missing header to table and fix typo.
1984         * doc/html/*: Regenerate.
1985
1986         PR libstdc++/86597
1987         * include/bits/fs_dir.h (directory_entry::_M_file_type(error_code&)):
1988         Clear error_code when cached type is used.
1989         * testsuite/27_io/filesystem/directory_entry/86597.cc: New test.
1990
1991 2018-08-07  Jonathan Wakely  <jwakely@redhat.com>
1992
1993         PR libstdc++/86874
1994         * include/std/variant (_Copy_ctor_base::_M_destructive_move): Define
1995         here instead of in _Move_assign_base.
1996         (_Copy_ctor_base<true, _Types...>::_M_destructive_move): Define.
1997         (_Copy_assign_base::operator=): Use _M_destructive_move when changing
1998         the contained value to another alternative.
1999         (_Move_assign_base::operator=): Likewise.
2000         (_Move_assign_base::_M_destructive_move): Remove.
2001         * testsuite/20_util/variant/86874.cc: New test.
2002
2003         PR libstdc++/86861
2004         * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] (aligned_alloc):
2005         Replace macro with inline function.
2006         [__sun]: Increase alignment to meet memalign precondition.
2007         [!HAVE__ALIGNED_MALLOC && !HAVE_POSIX_MEMALIGN && !HAVE_MEMALIGN]
2008         (aligned_alloc): Move check for valid alignment to operator new.
2009         Remove redundant check for non-zero size, it's enforced by the caller.
2010         (operator new): Move check for valid alignment here. Use
2011         __builtin_expect on check for zero size.
2012
2013         * config/abi/pre/gnu.ver: Export monotonic_buffer_resource members.
2014         * include/std/memory_resource (monotonic_buffer_resource::release):
2015         Call _M_release_buffers to free buffers.
2016         (monotonic_buffer_resource::do_allocate): Call _M_new_buffer to
2017         allocate a new buffer from upstream.
2018         (monotonic_buffer_resource::_M_new_buffer): Declare.
2019         (monotonic_buffer_resource::_M_release_buffers): Declare.
2020         (monotonic_buffer_resource::_Chunk): Replace definition with
2021         declaration as opaque type.
2022         * src/c++17/memory_resource.cc (monotonic_buffer_resource::_Chunk):
2023         Define.
2024         (monotonic_buffer_resource::_M_new_buffer): Define.
2025         (monotonic_buffer_resource::_M_release_buffers): Define.
2026
2027 2018-08-05  François Dumont  <fdumont@gcc.gnu.org>
2028
2029         * include/bits/stl_iterator.h: Fix comment.
2030
2031 2018-08-03  Jonathan Wakely  <jwakely@redhat.com>
2032
2033         * src/c++11/system_error.cc
2034         (system_error_category::default_error_condition): Add workaround for
2035         ENOTEMPTY and EEXIST having the same value on AIX.
2036         * testsuite/19_diagnostics/error_category/system_category.cc: Add
2037         extra testcases for EDOM, EILSEQ, ERANGE, EEXIST and ENOTEMPTY.
2038
2039 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
2040
2041         * configure: Regenerate.
2042         * configure.ac: Add -D_GLIBCXX_ASSERTIONS to default DEBUG_FLAGS.
2043         * src/c++11/futex.cc: Use __glibcxx_assert instead of
2044         _GLIBCXX_DEBUG_ASSERT.
2045
2046 2018-08-01  Mike Crowe  <mac@mcrowe.com>
2047
2048         * include/std/condition_variable (wait_for): Use steady_clock.
2049
2050 2018-08-01  Mike Crowe  <mac@mcrowe.com>
2051
2052         * include/std/condition_variable (wait_until): Only report timeout
2053         if we really have timed out when measured against the
2054         caller-supplied clock.
2055         * testsuite/30_threads/condition_variable/members/2.cc: Add test
2056         case to confirm above behaviour.
2057
2058 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
2059
2060         PR libstdc++/60555
2061         * src/c++11/system_error.cc
2062         (system_error_category::default_error_condition): New override to
2063         check for POSIX errno values.
2064         * testsuite/19_diagnostics/error_category/generic_category.cc: New
2065         * testsuite/19_diagnostics/error_category/system_category.cc: New
2066         test.
2067
2068 2018-07-31  Jonathan Wakely  <jwakely@redhat.com>
2069
2070         PR libstdc++/86751
2071         * include/bits/stl_pair.h (__pair_base): New class with deleted copy
2072         assignment operator.
2073         (pair): Derive from __pair_base.
2074         (pair::operator=): Remove deleted overload.
2075         * python/libstdcxx/v6/printers.py (StdPairPrinter): New pretty printer
2076         so that new base class isn't shown in GDB.
2077         * testsuite/20_util/pair/86751.cc: New test.
2078         * testsuite/20_util/pair/ref_assign.cc: New test.
2079
2080         * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
2081         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Move definitions here.
2082         (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Likewise. Use !__is_identifier
2083         instead of __has_builtin.
2084         * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
2085         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Remove definitions from here.
2086         * include/std/version [!_GLIBCXX_HAS_GTHREADS]
2087         (__cpp_lib_shared_timed_mutex, __cpp_lib_scoped_lock)
2088         (__cpp_lib_shared_mutex): Don't define when Gthreads not in use.
2089         [!_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP]
2090         (__cpp_lib_has_unique_object_representations): Don't define when
2091         builtin not available.
2092         [!_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE] (__cpp_lib_is_aggregate):
2093         Likewise.
2094         [!_GLIBCXX_HAVE_BUILTIN_LAUNDER] (__cpp_lib_launder): Likewise.
2095         * libsupc++/new (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Remove definition
2096         from here.
2097
2098         * doc/xml/manual/test.xml: Improve documentation on writing tests for
2099         newer standards.
2100         * doc/xml/manual/using.xml: Document all headers for C++11 and later.
2101         * doc/html/*: Regenerate.
2102
2103         * include/ext/pointer.h [__cplusplus >= 201103L]
2104         (_Pointer_adapter::operator bool): Add explicit conversion operator
2105         to replace safe bool idiom.
2106
2107 2018-07-30  Jonathan Wakely  <jwakely@redhat.com>
2108
2109         PR libstdc++/86734
2110         * include/bits/stl_iterator.h (reverse_iterator::operator->): Call
2111         _S_to_pointer (LWG 1052, LWG 2118).
2112         (reverse_iterator::_S_to_pointer): Define overloaded helper functions.
2113         * testsuite/24_iterators/reverse_iterator/dr1052.cc: New test.
2114         * testsuite/24_iterators/reverse_iterator/dr2188.cc: New test.
2115
2116         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Add
2117         workaround for aligned_alloc bug on AIX.
2118         * testsuite/18_support/new_aligned.cc: New test.
2119
2120 2018-07-26  Marek Polacek  <polacek@redhat.com>
2121
2122         * testsuite/30_threads/condition_variable_any/cond.cc: New.
2123
2124 2018-07-26  Marek Polacek  <polacek@redhat.com>
2125
2126         * src/c++98/locale_init.cc: Fix #ifdef condition.
2127
2128 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
2129
2130         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: Add
2131         dg-require-cstdint directive.
2132         * testsuite/20_util/allocator/overaligned.cc: Likewise.
2133         * testsuite/20_util/any/cons/aligned.cc: Likewise.
2134         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: Likewise.
2135         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: Likewise.
2136         * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
2137         Likewise.
2138         * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
2139         * testsuite/23_containers/list/modifiers/insert/25288.cc: Likewise.
2140         * testsuite/23_containers/set/allocator/move_assign.cc: Likewise.
2141         * testsuite/25_algorithms/make_heap/complexity.cc: Likewise.
2142         * testsuite/25_algorithms/pop_heap/complexity.cc: Require cstdint and
2143         random_device effective-target.
2144         * testsuite/25_algorithms/push_heap/complexity.cc: Likewise.
2145         * testsuite/25_algorithms/sample/1.cc: Require cstdint.
2146         * testsuite/25_algorithms/sample/2.cc: Likewise.
2147         * testsuite/25_algorithms/sort_heap/complexity.cc: Require cstdint
2148         and random_device.
2149         * testsuite/26_numerics/headers/random/types_std_c++0x.cc: Require
2150         cstdint.
2151         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
2152         Likewise.
2153         * testsuite/26_numerics/random/discard_block_engine/requirements/
2154         constexpr_data.cc: Likewise.
2155         * testsuite/26_numerics/random/discard_block_engine/requirements/
2156         constexpr_functions.cc: Likewise.
2157         * testsuite/26_numerics/random/independent_bits_engine/requirements/
2158         constexpr_functions.cc: Likewise.
2159         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
2160         constexpr_data.cc: Likewise.
2161         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
2162         constexpr_functions.cc: Likewise.
2163         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
2164         constexpr_data.cc: Likewise.
2165         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
2166         constexpr_functions.cc: Likewise.
2167         * testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
2168         * testsuite/26_numerics/random/seed_seq/cons/65631.cc: Likewise.
2169         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
2170         constexpr_data.cc: Add dg-require-cstdint directive.
2171         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
2172         constexpr_functions.cc: Likewise.
2173         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
2174         constexpr_data.cc: Likewise.
2175         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
2176         constexpr_functions.cc: Likewise.
2177         * testsuite/26_numerics/random/uniform_real_distribution/operators/
2178         64351.cc: Likewise.
2179         * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc: Likewise.
2180         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
2181         * testsuite/experimental/algorithm/sample.cc: Likewise.
2182         * testsuite/experimental/algorithm/search.cc: Likewise.
2183         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2184         * testsuite/experimental/any/cons/aligned.cc: Likewise.
2185         * testsuite/experimental/memory_resource/new_delete_resource.cc:
2186         Likewise.
2187         * testsuite/experimental/memory_resource/resource_adaptor.cc: Likewise.
2188         * testsuite/experimental/random/randint.cc: Likewise.
2189         * testsuite/experimental/source_location/1.cc: Likewise.
2190         * testsuite/ext/bitmap_allocator/overaligned.cc: Likewise.
2191         * testsuite/ext/malloc_allocator/overaligned.cc: Likewise.
2192         * testsuite/ext/mt_allocator/overaligned.cc: Likewise.
2193         * testsuite/ext/new_allocator/overaligned.cc: Likewise.
2194         * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
2195         * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
2196         * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
2197         * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
2198         * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
2199         * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
2200         * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
2201         * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
2202         * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
2203         * testsuite/ext/pool_allocator/overaligned.cc: Likewise.
2204         * testsuite/ext/throw_allocator/check_allocate_max_size.cc: Likewise.
2205         * testsuite/ext/throw_allocator/check_deallocate_null.cc: Likewise.
2206         * testsuite/ext/throw_allocator/check_delete.cc: Likewise.
2207         * testsuite/ext/throw_allocator/check_new.cc: Likewise.
2208         * testsuite/ext/throw_allocator/deallocate_global.cc: Likewise.
2209         * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
2210         * testsuite/ext/throw_allocator/explicit_instantiation.cc: Likewise.
2211         * testsuite/ext/throw_allocator/variadic_construct.cc: Likewise.
2212         * testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Likewise.
2213
2214         * testsuite/30_threads/recursive_mutex/cons/1.cc: Likewise.
2215         * testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise.
2216         * testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise.
2217         * testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc:
2218         Likewise.
2219         * testsuite/30_threads/recursive_mutex/lock/1.cc: Likewise.
2220         * testsuite/30_threads/recursive_mutex/native_handle/1.cc: Likewise.
2221         * testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc:
2222         Likewise.
2223         * testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc:
2224         Likewise.
2225         * testsuite/30_threads/recursive_mutex/requirements/typedefs.cc:
2226         Likewise.
2227         * testsuite/30_threads/recursive_mutex/try_lock/1.cc: Likewise.
2228         * testsuite/30_threads/recursive_mutex/try_lock/2.cc: Likewise.
2229         * testsuite/30_threads/recursive_mutex/unlock/1.cc: Likewise.
2230         * testsuite/30_threads/recursive_mutex/unlock/2.cc: Likewise.
2231         * testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Likewise.
2232         * testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
2233         Likewise.
2234         * testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
2235         Likewise.
2236         * testsuite/30_threads/recursive_timed_mutex/dest/
2237         destructor_locked.cc: Likewise.
2238         * testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
2239         * testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
2240         * testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc:
2241         Likewise.
2242         * testsuite/30_threads/recursive_timed_mutex/native_handle/
2243         typesizes.cc: Likewise.
2244         * testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc:
2245         Likewise.
2246         * testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc:
2247         Likewise.
2248         * testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc:
2249         Likewise.
2250         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
2251         Likewise.
2252         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
2253         Likewise.
2254         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
2255         Likewise.
2256         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
2257         Likewise.
2258         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
2259         Likewise.
2260         * testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
2261         * testsuite/30_threads/recursive_timed_mutex/unlock/2.cc: Likewise.
2262         * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
2263         * testsuite/30_threads/scoped_lock/requirements/
2264         explicit_instantiation.cc: Likewise.
2265         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
2266         * testsuite/30_threads/shared_future/cons/assign.cc: Likewise.
2267         * testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise.
2268         * testsuite/30_threads/shared_future/cons/copy.cc: Likewise.
2269         * testsuite/30_threads/shared_future/cons/default.cc: Likewise.
2270         * testsuite/30_threads/shared_future/cons/move.cc: Likewise.
2271         * testsuite/30_threads/shared_future/cons/move_assign.cc: Likewise.
2272         * testsuite/30_threads/shared_future/members/45133.cc: Likewise.
2273         * testsuite/30_threads/shared_future/members/get.cc: Likewise.
2274         * testsuite/30_threads/shared_future/members/get2.cc: Likewise.
2275         * testsuite/30_threads/shared_future/members/valid.cc: Likewise.
2276         * testsuite/30_threads/shared_future/members/wait.cc: Likewise.
2277         * testsuite/30_threads/shared_future/members/wait_for.cc: Likewise.
2278         * testsuite/30_threads/shared_future/members/wait_until.cc: Likewise.
2279         * testsuite/30_threads/shared_future/requirements/
2280         explicit_instantiation.cc: Likewise.
2281         * testsuite/30_threads/shared_lock/cons/1.cc: Likewise.
2282         * testsuite/30_threads/shared_lock/cons/2.cc: Likewise.
2283         * testsuite/30_threads/shared_lock/cons/3.cc: Likewise.
2284         * testsuite/30_threads/shared_lock/cons/4.cc: Likewise.
2285         * testsuite/30_threads/shared_lock/cons/5.cc: Likewise.
2286         * testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
2287         * testsuite/30_threads/shared_lock/locking/1.cc: Likewise.
2288         * testsuite/30_threads/shared_lock/locking/2.cc: Likewise.
2289         * testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
2290         * testsuite/30_threads/shared_lock/locking/4.cc: Likewise.
2291         * testsuite/30_threads/shared_lock/modifiers/1.cc: Likewise.
2292         * testsuite/30_threads/shared_lock/requirements/
2293         explicit_instantiation.cc: Likewise.
2294         * testsuite/30_threads/shared_lock/requirements/typedefs.cc: Likewise.
2295         * testsuite/30_threads/shared_mutex/cons/1.cc: Likewise.
2296         * testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Likewise.
2297         * testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Likewise.
2298         * testsuite/30_threads/shared_mutex/requirements/standard_layout.cc:
2299         Likewise.
2300         * testsuite/30_threads/shared_mutex/try_lock/1.cc: Likewise.
2301         * testsuite/30_threads/shared_mutex/try_lock/2.cc: Likewise.
2302         * testsuite/30_threads/shared_mutex/unlock/1.cc: Likewise.
2303         * testsuite/30_threads/shared_timed_mutex/cons/1.cc: Likewise.
2304         * testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc: Likewise.
2305         * testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc: Likewise.
2306         * testsuite/30_threads/shared_timed_mutex/requirements/
2307         standard_layout.cc: Likewise.
2308         * testsuite/30_threads/shared_timed_mutex/try_lock/1.cc: Likewise.
2309         * testsuite/30_threads/shared_timed_mutex/try_lock/2.cc: Likewise.
2310         * testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: Likewise.
2311         * testsuite/30_threads/shared_timed_mutex/unlock/1.cc: Likewise.
2312         * testsuite/30_threads/this_thread/1.cc: Likewise.
2313         * testsuite/30_threads/this_thread/2.cc: Likewise.
2314         * testsuite/30_threads/this_thread/3.cc: Likewise.
2315         * testsuite/30_threads/this_thread/4.cc: Likewise.
2316         * testsuite/30_threads/this_thread/58038.cc: Likewise.
2317         * testsuite/30_threads/thread/70503.cc: Likewise.
2318         * testsuite/30_threads/thread/84532.cc: Likewise.
2319         * testsuite/30_threads/thread/adl.cc: Likewise.
2320         * testsuite/30_threads/thread/cons/1.cc: Likewise.
2321         * testsuite/30_threads/thread/cons/2.cc: Likewise.
2322         * testsuite/30_threads/thread/cons/3.cc: Likewise.
2323         * testsuite/30_threads/thread/cons/4.cc: Likewise.
2324         * testsuite/30_threads/thread/cons/49668.cc: Likewise.
2325         * testsuite/30_threads/thread/cons/5.cc: Likewise.
2326         * testsuite/30_threads/thread/cons/6.cc: Likewise.
2327         * testsuite/30_threads/thread/cons/7.cc: Likewise.
2328         * testsuite/30_threads/thread/cons/8.cc: Likewise.
2329         * testsuite/30_threads/thread/cons/84535.cc: Likewise.
2330         * testsuite/30_threads/thread/cons/9.cc: Likewise.
2331         * testsuite/30_threads/thread/cons/assign_neg.cc: Likewise.
2332         * testsuite/30_threads/thread/cons/copy_neg.cc: Likewise.
2333         * testsuite/30_threads/thread/cons/lwg2097.cc: Likewise.
2334         * testsuite/30_threads/thread/cons/moveable.cc: Likewise.
2335         * testsuite/30_threads/thread/cons/terminate.cc: Likewise.
2336         * testsuite/30_threads/thread/id/operators.cc: Likewise.
2337         * testsuite/30_threads/thread/members/1.cc: Likewise.
2338         * testsuite/30_threads/thread/members/2.cc: Likewise.
2339         * testsuite/30_threads/thread/members/3.cc: Likewise.
2340         * testsuite/30_threads/thread/members/4.cc: Likewise.
2341         * testsuite/30_threads/thread/members/5.cc: Likewise.
2342         * testsuite/30_threads/thread/members/hardware_concurrency.cc:
2343         Likewise.
2344         * testsuite/30_threads/thread/native_handle/cancel.cc: Likewise.
2345         * testsuite/30_threads/thread/swap/1.cc: Likewise.
2346         * testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
2347         * testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
2348         * testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
2349         * testsuite/30_threads/timed_mutex/dest/destructor_locked.cc: Likewise.
2350         * testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
2351         * testsuite/30_threads/timed_mutex/native_handle/1.cc: Likewise.
2352         * testsuite/30_threads/timed_mutex/native_handle/typesizes.cc:
2353         Likewise.
2354         * testsuite/30_threads/timed_mutex/requirements/
2355         standard_layout.cc: Likewise.
2356         * testsuite/30_threads/timed_mutex/requirements/typedefs.cc: Likewise.
2357         * testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
2358         * testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
2359         * testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
2360         * testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
2361         * testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
2362         * testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
2363         * testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
2364         * testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise.
2365         * testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
2366         * testsuite/30_threads/timed_mutex/unlock/2.cc: Likewise.
2367         * testsuite/30_threads/try_lock/1.cc: Likewise.
2368         * testsuite/30_threads/try_lock/2.cc: Likewise.
2369         * testsuite/30_threads/try_lock/3.cc: Likewise.
2370         * testsuite/30_threads/try_lock/4.cc: Likewise.
2371         * testsuite/30_threads/unique_lock/cons/1.cc: Likewise.
2372         * testsuite/30_threads/unique_lock/cons/2.cc: Likewise.
2373         * testsuite/30_threads/unique_lock/cons/3.cc: Likewise.
2374         * testsuite/30_threads/unique_lock/cons/4.cc: Likewise.
2375         * testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
2376         * testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
2377         * testsuite/30_threads/unique_lock/locking/1.cc: Likewise.
2378         * testsuite/30_threads/unique_lock/locking/2.cc: Likewise.
2379         * testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
2380         * testsuite/30_threads/unique_lock/locking/4.cc: Likewise.
2381         * testsuite/30_threads/unique_lock/modifiers/1.cc: Likewise.
2382         * testsuite/30_threads/unique_lock/requirements/
2383         explicit_instantiation.cc: Likewise.
2384         * testsuite/30_threads/unique_lock/requirements/typedefs.cc: Likewise.
2385
2386         * testsuite/30_threads/async/42819.cc: Remove dg-require-cstdint
2387         directive.
2388         * testsuite/30_threads/async/49668.cc: Likewise.
2389         * testsuite/30_threads/async/54297.cc: Likewise.
2390         * testsuite/30_threads/async/84532.cc: Likewise.
2391         * testsuite/30_threads/async/any.cc: Likewise.
2392         * testsuite/30_threads/async/async.cc: Likewise.
2393         * testsuite/30_threads/async/except.cc: Likewise.
2394         * testsuite/30_threads/async/forced_unwind.cc: Likewise.
2395         * testsuite/30_threads/async/launch.cc: Likewise.
2396         * testsuite/30_threads/async/lwg2021.cc: Likewise.
2397         * testsuite/30_threads/async/sync.cc: Likewise.
2398         * testsuite/30_threads/call_once/39909.cc: Likewise.
2399         * testsuite/30_threads/call_once/49668.cc: Likewise.
2400         * testsuite/30_threads/call_once/60497.cc: Likewise.
2401         * testsuite/30_threads/call_once/call_once1.cc: Likewise.
2402         * testsuite/30_threads/call_once/constexpr.cc: Likewise.
2403         * testsuite/30_threads/call_once/dr2442.cc: Likewise.
2404         * testsuite/30_threads/call_once/once_flag.cc: Likewise.
2405         * testsuite/30_threads/condition_variable/54185.cc: Likewise.
2406         * testsuite/30_threads/condition_variable/cons/1.cc: Likewise.
2407         * testsuite/30_threads/condition_variable/cons/assign_neg.cc:
2408         Likewise.
2409         * testsuite/30_threads/condition_variable/cons/copy_neg.cc: Likewise.
2410         * testsuite/30_threads/condition_variable/members/1.cc: Likewise.
2411         * testsuite/30_threads/condition_variable/members/2.cc: Likewise.
2412         * testsuite/30_threads/condition_variable/members/3.cc: Likewise.
2413         * testsuite/30_threads/condition_variable/members/53841.cc: Likewise.
2414         * testsuite/30_threads/condition_variable/members/68519.cc: Likewise.
2415         * testsuite/30_threads/condition_variable/native_handle/typesizes.cc:
2416         Likewise.
2417         * testsuite/30_threads/condition_variable/requirements/
2418         standard_layout.cc: Likewise.
2419         * testsuite/30_threads/condition_variable/requirements/typedefs.cc:
2420         * Likewise.
2421         * testsuite/30_threads/condition_variable_any/50862.cc: Likewise.
2422         * testsuite/30_threads/condition_variable_any/53830.cc: Likewise.
2423         * testsuite/30_threads/condition_variable_any/cons/1.cc: Likewise.
2424         * testsuite/30_threads/condition_variable_any/cons/assign_neg.cc:
2425         Likewise.
2426         * testsuite/30_threads/condition_variable_any/cons/copy_neg.cc:
2427         Likewise.
2428         * testsuite/30_threads/condition_variable_any/members/1.cc: Likewise.
2429         * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
2430         * testsuite/30_threads/future/cons/assign_neg.cc: Likewise.
2431         * testsuite/30_threads/future/cons/constexpr.cc: Likewise.
2432         * testsuite/30_threads/future/cons/copy_neg.cc: Likewise.
2433         * testsuite/30_threads/future/cons/default.cc: Likewise.
2434         * testsuite/30_threads/future/cons/move.cc: Likewise.
2435         * testsuite/30_threads/future/cons/move_assign.cc: Likewise.
2436         * testsuite/30_threads/future/members/45133.cc: Likewise.
2437         * testsuite/30_threads/future/members/get.cc: Likewise.
2438         * testsuite/30_threads/future/members/get2.cc: Likewise.
2439         * testsuite/30_threads/future/members/share.cc: Likewise.
2440         * testsuite/30_threads/future/members/valid.cc: Likewise.
2441         * testsuite/30_threads/future/members/wait.cc: Likewise.
2442         * testsuite/30_threads/future/members/wait_for.cc: Likewise.
2443         * testsuite/30_threads/future/members/wait_until.cc: Likewise.
2444         * testsuite/30_threads/future/requirements/explicit_instantiation.cc:
2445         Likewise.
2446         * testsuite/30_threads/headers/condition_variable/types_std_c++0x.cc:
2447         Likewise.
2448         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
2449         * testsuite/30_threads/headers/mutex/types_std_c++0x.cc: Likewise.
2450         * testsuite/30_threads/headers/thread/std_c++0x_neg.cc: Likewise.
2451         * testsuite/30_threads/headers/thread/types_std_c++0x.cc: Likewise.
2452         * testsuite/30_threads/lock/1.cc: Likewise.
2453         * testsuite/30_threads/lock/2.cc: Likewise.
2454         * testsuite/30_threads/lock/3.cc: Likewise.
2455         * testsuite/30_threads/lock/4.cc: Likewise.
2456         * testsuite/30_threads/lock_guard/cons/1.cc: Likewise.
2457         * testsuite/30_threads/lock_guard/requirements/
2458         explicit_instantiation.cc: Likewise.
2459         * testsuite/30_threads/lock_guard/requirements/typedefs.cc: Likewise.
2460         * testsuite/30_threads/mutex/cons/1.cc: Likewise.
2461         * testsuite/30_threads/mutex/cons/assign_neg.cc: Likewise.
2462         * testsuite/30_threads/mutex/cons/constexpr.cc: Likewise.
2463         * testsuite/30_threads/mutex/cons/copy_neg.cc: Likewise.
2464         * testsuite/30_threads/mutex/dest/destructor_locked.cc: Likewise.
2465         * testsuite/30_threads/mutex/lock/1.cc: Likewise.
2466         * testsuite/30_threads/mutex/native_handle/1.cc: Likewise.
2467         * testsuite/30_threads/mutex/native_handle/typesizes.cc: Likewise.
2468         * testsuite/30_threads/mutex/requirements/standard_layout.cc::
2469         Likewise.
2470         * testsuite/30_threads/mutex/requirements/typedefs.cc: Likewise.
2471         * testsuite/30_threads/mutex/try_lock/1.cc: Likewise.
2472         * testsuite/30_threads/mutex/try_lock/2.cc: Likewise.
2473         * testsuite/30_threads/mutex/unlock/1.cc: Likewise.
2474         * testsuite/30_threads/mutex/unlock/2.cc: Likewise.
2475         * testsuite/30_threads/once_flag/cons/constexpr.cc: Likewise.
2476         * testsuite/30_threads/packaged_task/49668.cc: Likewise.
2477         * testsuite/30_threads/packaged_task/60564.cc: Likewise.
2478         * testsuite/30_threads/packaged_task/cons/1.cc: Likewise.
2479         * testsuite/30_threads/packaged_task/cons/2.cc: Likewise.
2480         * testsuite/30_threads/packaged_task/cons/3.cc: Likewise.
2481         * testsuite/30_threads/packaged_task/cons/56492.cc: Likewise.
2482         * testsuite/30_threads/packaged_task/cons/alloc.cc: Likewise.
2483         * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
2484         * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
2485         * testsuite/30_threads/packaged_task/cons/assign_neg.cc: Likewise.
2486         * testsuite/30_threads/packaged_task/cons/copy_neg.cc: Likewise.
2487         * testsuite/30_threads/packaged_task/cons/move.cc: Likewise.
2488         * testsuite/30_threads/packaged_task/cons/move_assign.cc: Likewise.
2489         * testsuite/30_threads/packaged_task/members/at_thread_exit.cc:
2490         Likewise.
2491         * testsuite/30_threads/packaged_task/members/get_future.cc: Likewise.
2492         * testsuite/30_threads/packaged_task/members/get_future2.cc: Likewise.
2493         * testsuite/30_threads/packaged_task/members/invoke.cc: Likewise.
2494         * testsuite/30_threads/packaged_task/members/invoke2.cc: Likewise.
2495         * testsuite/30_threads/packaged_task/members/invoke3.cc: Likewise.
2496         * testsuite/30_threads/packaged_task/members/invoke4.cc: Likewise.
2497         * testsuite/30_threads/packaged_task/members/invoke5.cc: Likewise.
2498         * testsuite/30_threads/packaged_task/members/reset.cc: Likewise.
2499         * testsuite/30_threads/packaged_task/members/reset2.cc: Likewise.
2500         * testsuite/30_threads/packaged_task/members/swap.cc: Likewise.
2501         * testsuite/30_threads/packaged_task/members/valid.cc: Likewise.
2502         * testsuite/30_threads/packaged_task/requirements/
2503         explicit_instantiation.cc: Likewise.
2504         * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
2505         * testsuite/30_threads/promise/60966.cc: Likewise.
2506         * testsuite/30_threads/promise/69106.cc: Likewise.
2507         * testsuite/30_threads/promise/cons/1.cc: Likewise.
2508         * testsuite/30_threads/promise/cons/alloc.cc: Likewise.
2509         * testsuite/30_threads/promise/cons/alloc2.cc: Likewise.
2510         * testsuite/30_threads/promise/cons/alloc_min.cc: Likewise.
2511         * testsuite/30_threads/promise/cons/assign_neg.cc: Likewise.
2512         * testsuite/30_threads/promise/cons/copy_neg.cc: Likewise.
2513         * testsuite/30_threads/promise/cons/move.cc: Likewise.
2514         * testsuite/30_threads/promise/cons/move_assign.cc: Likewise.
2515         * testsuite/30_threads/promise/members/at_thread_exit.cc: Likewise.
2516         * testsuite/30_threads/promise/members/at_thread_exit2.cc: Likewise.
2517         * testsuite/30_threads/promise/members/get_future.cc: Likewise.
2518         * testsuite/30_threads/promise/members/get_future2.cc: Likewise.
2519         * testsuite/30_threads/promise/members/set_exception.cc: Likewise.
2520         * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
2521         * testsuite/30_threads/promise/members/set_value.cc: Likewise.
2522         * testsuite/30_threads/promise/members/set_value2.cc: Likewise.
2523         * testsuite/30_threads/promise/members/set_value3.cc: Likewise.
2524         * testsuite/30_threads/promise/members/swap.cc: Likewise.
2525         * testsuite/30_threads/promise/requirements/explicit_instantiation.cc:
2526         * Likewise.
2527         * testsuite/30_threads/promise/uses_allocator.cc: Likewise.
2528
2529         * testsuite/18_support/numeric_limits/char16_32_t.cc: Qualify names
2530         from namespace std.
2531         * testsuite/20_util/align/2.cc: Remove dg-require-cstdint directive.
2532         * testsuite/20_util/duration/arithmetic/1.cc: Likewise.
2533         * testsuite/20_util/duration/arithmetic/2.cc: Likewise.
2534         * testsuite/20_util/duration/arithmetic/dr2020.cc: Likewise.
2535         * testsuite/20_util/duration/arithmetic/dr934-1.cc: Likewise.
2536         * testsuite/20_util/duration/arithmetic/dr934-2.cc: Likewise.
2537         * testsuite/20_util/duration/comparison_operators/1.cc: Likewise.
2538         * testsuite/20_util/duration/cons/1.cc: Likewise.
2539         * testsuite/20_util/duration/cons/1_neg.cc: Likewise.
2540         * testsuite/20_util/duration/cons/2.cc: Likewise.
2541         * testsuite/20_util/duration/cons/54025.cc: Likewise.
2542         * testsuite/20_util/duration/cons/dr974_neg.cc: Likewise.
2543         * testsuite/20_util/duration/requirements/explicit_instantiation/
2544         explicit_instantiation.cc: Likewise.
2545         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
2546         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
2547         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
2548         * testsuite/20_util/make_signed/requirements/typedefs-4.cc: Likewise.
2549         * testsuite/20_util/ratio/comparisons/comp1.cc: Likewise.
2550         * testsuite/20_util/ratio/comparisons/comp2.cc: Likewise.
2551         * testsuite/20_util/ratio/comparisons/comp3.cc: Likewise.
2552         * testsuite/20_util/ratio/cons/cons1.cc: Likewise.
2553         * testsuite/20_util/ratio/operations/45866.cc: Likewise.
2554         * testsuite/20_util/ratio/operations/47913.cc: Likewise.
2555         * testsuite/20_util/ratio/operations/53840.cc: Likewise.
2556         * testsuite/20_util/ratio/operations/ops1.cc: Likewise.
2557         * testsuite/20_util/shared_ptr/atomic/3.cc: Likewise.
2558         * testsuite/20_util/system_clock/1.cc: Likewise.
2559         * testsuite/20_util/time_point/1.cc: Likewise.
2560         * testsuite/20_util/time_point/2.cc: Likewise.
2561         * testsuite/20_util/time_point/3.cc: Likewise.
2562         * testsuite/20_util/time_point/requirements/explicit_instantiation/
2563         explicit_instantiation.cc: Likewise.
2564         * testsuite/21_strings/basic_string/requirements/
2565         explicit_instantiation/char16_t/1.cc: Likewise.
2566         * testsuite/21_strings/basic_string/requirements/
2567         explicit_instantiation/char32_t/1.cc: Likewise.
2568         * testsuite/21_strings/basic_string_view/requirements/
2569         explicit_instantiation/char16_t/1.cc: Likewise.
2570         * testsuite/21_strings/basic_string_view/requirements/
2571         explicit_instantiation/char32_t/1.cc: Likewise.
2572         * testsuite/21_strings/char_traits/requirements/
2573         explicit_instantiation/char16_t/1.cc: Likewise.
2574         * testsuite/21_strings/char_traits/requirements/
2575         explicit_instantiation/char32_t/1.cc: Likewise.
2576         * testsuite/21_strings/headers/string/types_std_c++0x.cc: Likewise.
2577         * testsuite/22_locale/codecvt/char16_t.cc: Likewise.
2578         * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
2579         * testsuite/22_locale/codecvt/codecvt_utf16/requirements/1.cc:
2580         Likewise.
2581         * testsuite/22_locale/codecvt/codecvt_utf8/requirements/1.cc:
2582         Likewise.
2583         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/requirements/1.cc:
2584         Likewise.
2585         * testsuite/22_locale/codecvt/utf8.cc: Likewise.
2586         * testsuite/23_containers/vector/bool/72847.cc: Likewise.
2587         * testsuite/23_containers/vector/debug/multithreaded_swap.cc:
2588         Likewise.
2589         * testsuite/experimental/string_view/requirements/
2590         explicit_instantiation/char16_t/1.cc: Likewise.
2591         * testsuite/experimental/string_view/requirements/
2592         explicit_instantiation/char32_t/1.cc: Likewise.
2593         * testsuite/ext/vstring/requirements/explicit_instantiation/char16_t/
2594         1.cc: Likewise.
2595         * testsuite/ext/vstring/requirements/explicit_instantiation/char32_t/
2596         1.cc: Likewise.
2597
2598         * include/ext/throw_allocator.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2599         (random_condition, throw_value_random, throw_allocator_random)
2600         (std::hash<throw_value_random>): Do not define when <tr1/random> is
2601         not usable.
2602         * src/c++11/cow-stdexcept.cc [!_GLIBCXX_USE_C99_STDINT_TR1]: Do not
2603         define transactional memory support when <stdint.h> is not usable.
2604
2605         * include/bits/hashtable_policy.h (__detail::__clp2): Use faster
2606         implementation that doesn't depend on <stdint.h> types.
2607         * include/std/memory (align) [!_GLIBCXX_USE_C99_STDINT_TR1]: Use
2608         std::size_t when std::uintptr_t is not usable.
2609         [!_GLIBCXX_USE_C99_STDINT_TR1] (pointer_safety, declare_reachable)
2610         (undeclare_reachable, declare_no_pointers, undeclare_no_pointers):
2611         Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
2612
2613         * include/bits/basic_string.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2614         (hash<u16string>, hash<u32string>): Remove dependency on
2615         _GLIBCXX_USE_C99_STDINT_TR1.
2616         * include/bits/char_traits.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2617         (char_traits<char16_t>, char_traits<char32_t>): Remove dependency on
2618         _GLIBCXX_USE_C99_STDINT_TR1. Use __UINT_LEAST16_TYPE__ and
2619         __UINT_LEAST32_TYPE__ or make_unsigned when <stdint.h> is not usable.
2620         * include/bits/codecvt.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2621         (codecvt<char16_t, char, mbstate_t>)
2622         (codecvt<char32_t, char, mbstate_t>)
2623         (codecvt_byname<char16_t, char, mbstate_t>)
2624         (codecvt_byname<char32_t, char, mbstate_t>): Remove dependency
2625         on _GLIBCXX_USE_C99_STDINT_TR1.
2626         * include/bits/locale_facets.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2627         (_GLIBCXX_NUM_UNICODE_FACETS): Likewise.
2628         * include/bits/stringfwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2629         (char_traits<char16_t>, char_traits<char32_t>)
2630         (basic_string<char16_t>, basic_string<char32_t>): Remove dependency
2631         on _GLIBCXX_USE_C99_STDINT_TR1.
2632         * include/experimental/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
2633         (u16string_view, u32string_view, hash<u16string_view>)
2634         (hash<u32string_view>, operator""sv(const char16_t, size_t))
2635         (operator""sv(const char32_t, size_t)): Likewise.
2636         * include/ext/vstring.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2637         (hash<__u16vstring>, hash<__u32vstring>): Likewise.
2638         * include/ext/vstring_fwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2639         (__u16vstring, __u16sso_string, __u16rc_string, __u32vstring)
2640         (__u32sso_string, __u32rc_string): Likewise.
2641         * include/std/codecvt [!_GLIBCXX_USE_C99_STDINT_TR1] (codecvt_mode)
2642         (codecvt_utf8, codecvt_utf16, codecvt_utf8_utf16): Likewise.
2643         * include/std/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
2644         (u16string_view, u32string_view, hash<u16string_view>)
2645         (hash<u32string_view>, operator""sv(const char16_t, size_t))
2646         (operator""sv(const char32_t, size_t)): Likewise.
2647         * src/c++11/codecvt.cc: Likewise.
2648         * src/c++98/locale_init.cc: Likewise.
2649         * src/c++98/localename.cc: Likewise.
2650
2651         * include/bits/atomic_futex.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2652         (__atomic_futex_unsigned_base): Remove dependency on
2653         _GLIBCXX_USE_C99_STDINT_TR1 macro.
2654         * include/bits/unique_lock.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2655         (unique_lock): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1.
2656         * include/c_global/cstdint [!_GLIBCXX_USE_C99_STDINT_TR1] (intmax_t)
2657         (uintmax_t): Define using predefined macros.
2658         * include/std/chrono [!_GLIBCXX_USE_C99_STDINT_TR1] (duration)
2659         (time_point, system_clock, high_resolution_clock, steady_clock): Remove
2660         dependency on _GLIBCXX_USE_C99_STDINT_TR1 macro.
2661         (nanoseconds, microseconds, milliseconds, seconds, minutes, hours):
2662         [!_GLIBCXX_USE_C99_STDINT_TR1]: Define using __INT64_TYPE__ or
2663         long long when <stdint.h> is not usable.
2664         * include/std/condition_variable [!_GLIBCXX_USE_C99_STDINT_TR1]
2665         (condition_variable, condition_variable_any): Remove dependency on
2666         _GLIBCXX_USE_C99_STDINT_TR1.
2667         * include/std/future [!_GLIBCXX_USE_C99_STDINT_TR1] (future, promise)
2668         (packaged_task, async): Likewise.
2669         * include/std/mutex [!_GLIBCXX_USE_C99_STDINT_TR1] (recursive_mutex)
2670         (timed_mutex, recursive_timed_mutex, try_lock, lock, scoped_lock)
2671         (once_flag, call_once): Likewise.
2672         * include/std/ratio [!_GLIBCXX_USE_C99_STDINT_TR1] (ratio): Likewise.
2673         * include/std/shared_mutex [!_GLIBCXX_USE_C99_STDINT_TR1]
2674         (shared_mutex, shared_timed_mutex, shared_lock): Likewise.
2675         * include/std/thread [!_GLIBCXX_USE_C99_STDINT_TR1] (thread)
2676         (this_thread::get_id, this_thread::yield, this_thread::sleep_for)
2677         (this_thread::sleep_until): Likewise.
2678         * src/c++11/chrono.cc: Remove dependency on
2679         _GLIBCXX_USE_C99_STDINT_TR1 macro.
2680         * src/c++11/condition_variable.cc: Likewise.
2681         * src/c++11/futex.cc: Likewise.
2682         * src/c++11/future.cc: Likewise.
2683         * src/c++11/mutex.cc: Likewise.
2684         * src/c++11/thread.cc: Likewise.
2685         * testsuite/20_util/duration/literals/range_neg.cc: Adjust dg-error.
2686         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
2687         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
2688         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
2689         * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Likewise.
2690         * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
2691
2692 2018-07-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2693
2694         PR libstdc++/77691
2695         * testsuite/experimental/memory_resource/new_delete_resource.cc:
2696         xfail execution on 32-bit Solaris/x86.
2697
2698 2018-07-26  Marc Glisse  <marc.glisse@inria.fr>
2699
2700         * include/bits/stl_vector.h (_Vector_impl_data::_M_copy_data): New.
2701         (_Vector_impl_data::_M_swap_data): Use _M_copy_data.
2702         (vector::_M_move_assign): Reorder the swaps.
2703
2704 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
2705
2706         PR libstdc++/86676
2707         * testsuite/20_util/monotonic_buffer_resource/release.cc: Request
2708         same alignment for post-release allocation.
2709
2710 2018-07-25  Jonathan Wakely  <jwakely@redhat.com>
2711
2712         PR libstdc++/86676
2713         * testsuite/20_util/monotonic_buffer_resource/release.cc: Allow for
2714         buffer being misaligned and so returned pointer not being at start.
2715
2716         * include/experimental/memory_resource: Include <cstddef> header.
2717
2718         * acinclude.m4 (glibcxx_SUBDIRS): Add src/c++17.
2719         * src/Makefile.am: Add comment.
2720         * src/c++17/Makefile.in: Regenerate.
2721
2722         * include/Makefile.am: Add new <bits/unique_lock.h> header.
2723         * include/Makefile.in: Regenerate.
2724         * include/bits/std_mutex.h [!_GLIBCXX_USE_C99_STDINT_TR1] (mutex)
2725         (lock_guard): Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
2726         (unique_lock): Move definition to ...
2727         * include/bits/unique_lock.h: New header.
2728         [!_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock): Define unconditionally.
2729         [_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock(mutex_type&, time_point))
2730         (unique_lock(mutex_type&, duration), unique_lock::try_lock_until)
2731         (unique_lock::try_lock_for): Define only when <chrono> is usable.
2732         * include/std/condition_variable: Include <bits/unique_lock.h>.
2733         * include/std/mutex: Likewise.
2734
2735 2018-07-24  Jonathan Wakely  <jwakely@redhat.com>
2736
2737         * config/abi/pre/gnu.ver: Export new symbols.
2738         * configure: Regenerate.
2739         * include/Makefile.am: Add new <memory_resource> header.
2740         * include/Makefile.in: Regenerate.
2741         * include/precompiled/stdc++.h: Include <memory_resource> for C++17.
2742         * include/std/memory_resource: New header.
2743         (memory_resource, polymorphic_allocator, new_delete_resource)
2744         (null_memory_resource, set_default_resource, get_default_resource)
2745         (pool_options, monotonic_buffer_resource): Define.
2746         * src/Makefile.am: Add c++17 directory.
2747         * src/Makefile.in: Regenerate.
2748         * src/c++11/Makefile.am: Fix comment.
2749         * src/c++17/Makefile.am: Add makefile for new sub-directory.
2750         * src/c++17/Makefile.in: Generate.
2751         * src/c++17/memory_resource.cc: New.
2752         (newdel_res_t, null_res_t, constant_init, newdel_res, null_res)
2753         (default_res, new_delete_resource, null_memory_resource)
2754         (set_default_resource, get_default_resource): Define.
2755         * testsuite/20_util/memory_resource/1.cc: New test.
2756         * testsuite/20_util/memory_resource/2.cc: New test.
2757         * testsuite/20_util/monotonic_buffer_resource/1.cc: New test.
2758         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: New test.
2759         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: New test.
2760         * testsuite/20_util/monotonic_buffer_resource/release.cc: New test.
2761         * testsuite/20_util/monotonic_buffer_resource/upstream_resource.cc:
2762         New test.
2763         * testsuite/20_util/polymorphic_allocator/1.cc: New test.
2764         * testsuite/20_util/polymorphic_allocator/resource.cc: New test.
2765         * testsuite/20_util/polymorphic_allocator/select.cc: New test.
2766         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
2767         Define concrete memory resource for testing.
2768         (__gnu_test::default_resource_mgr): Define RAII helper for changing
2769         default resource.
2770
2771         PR libstdc++/86658
2772         * include/bits/stl_algobase.h (__niter_wrap<_Iterator>): Pass unused
2773         parameter by reference, to avoid copying invalid iterators.
2774         * testsuite/25_algorithms/copy/86658.cc: New test.
2775
2776         * include/std/bit (__countl_zero, __countr_zero, __popcount): Use
2777         local variables for number of digits instead of type aliases.
2778         (__log2p1): Remove redundant branch also checked in __countl_zero.
2779
2780         * include/bits/uses_allocator.h (__is_erased_or_convertible): Reorder
2781         conditions. Add comments.
2782         * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error line.
2783         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
2784         * testsuite/20_util/scoped_allocator/69293_neg.cc: Likewise.
2785
2786         * include/bits/uses_allocator.h (__is_erased_or_convertible): Remove.
2787         (__uses_allocator_helper): Check conditions directly instead of
2788         using __is_erased_or_convertible.
2789
2790         * include/experimental/memory_resource: Adjust comments and
2791         whitespace.
2792         (__resource_adaptor_imp): Add second template parameter for type of
2793         memory resource base class.
2794         (memory_resource): Define default constructor, destructor, copy
2795         constructor and copy assignment operator as defaulted.
2796
2797         PR libstdc++/70966
2798         * include/experimental/memory_resource (__get_default_resource): Use
2799         placement new to create an object with dynamic storage duration.
2800
2801 2018-07-23  Jonathan Wakely  <jwakely@redhat.com>
2802
2803         PR libstdc++/70940
2804         * include/experimental/memory_resource
2805         (__resource_adaptor_common::_AlignMgr::_M_unadjust): Add assertion.
2806         (__resource_adaptor_common::__guaranteed_alignment): New helper to
2807         give maximum alignment an allocator guarantees. Specialize for known
2808         allocators using new and malloc.
2809         (__resource_adaptor_imp::do_allocate): Use __guaranteed_alignment.
2810         (__resource_adaptor_imp::do_deallocate): Likewise.
2811         * testsuite/experimental/memory_resource/new_delete_resource.cc:
2812         Check that new and delete are called with expected sizes.
2813
2814 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
2815
2816         PR libstdc++/86595
2817         * include/bits/fs_dir.h (directory_entry::refresh(error_code&)): Add
2818         noexcept.
2819
2820 2018-07-20  Fangrui Song  <maskray@google.com>
2821
2822         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Use
2823         _GLIBCXX_VISIBILITY(default).
2824
2825 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
2826
2827         PR libstdc++/86603
2828         * include/std/version: Move __cpp_lib_list_remove_return_type macro.
2829
2830 2018-07-19  Jonathan Wakely  <jwakely@redhat.com>
2831
2832         * include/std/type_traits (__is_member_object_pointer_helper): Use
2833         __not_<is_function<_Tp>>::type instead of integral_constant.
2834         (__is_member_function_pointer_helper): Likewise for
2835         is_function<_Tp>::type.
2836         (is_compund): Likewise for __not_<is_fundamental<_Tp>>::type.
2837         (__do_is_nt_destructible_impl): Use __bool_constant and reindent.
2838         (is_trivially_constructible): Remove redundant use of
2839         is_constructible.
2840         (__is_trivially_copy_assignable_impl): Remove redundant use of
2841         is_copy_assignable.
2842         (__is_trivially_move_assignable_impl): Remove redundant use of
2843         is_move_assignable.
2844         (is_trivially_destructible): Use __bool_constant.
2845         * testsuite/20_util/is_trivially_assignable/value.cc: Add some more
2846         tests for scalar types.
2847
2848 2018-07-19  Glen Joseph Fernandes  <glenjofe@gmail.com>
2849
2850         * include/bits/stl_algobase.h (__copy_move_a): Used
2851         __is_trivially_copyable.
2852         (__copy_move_backward_a): Likewise.
2853         * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
2854         New test.
2855
2856 2018-07-17  Jonathan Wakely  <jwakely@redhat.com>
2857
2858         PR libstdc++/86450
2859         * acinclude.m4 (GLIBCXX_CHECK_COMPILER_FEATURES): Don't define WERROR.
2860         (GLIBCXX_EXPORT_FLAGS): Use -Wabi=2 instead of -Wabi.
2861         * configure: Regenerate.
2862         * configure.ac: Change GLIBCXX_ENABLE_WERROR default to "no".
2863         * doc/Makefile.in: Regenerate.
2864         * fragment.am: Set WERROR_FLAG to -Werror instead of $(WERROR).
2865         * include/Makefile.in: Regenerate.
2866         * libsupc++/Makefile.in: Regenerate.
2867         * po/Makefile.in: Regenerate.
2868         * python/Makefile.in: Regenerate.
2869         * src/Makefile.in: Regenerate.
2870         * src/c++11/Makefile.in: Regenerate.
2871         * src/c++11/debug.cc: Use diagnostic pragmas to suppress warnings
2872         from -Wabi=2 that don't affect exported symbols.
2873         * src/c++98/Makefile.in: Regenerate.
2874         * src/filesystem/Makefile.in: Regenerate.
2875         * testsuite/Makefile.in: Regenerate.
2876
2877         * src/c++11/compatibility-thread-c++0x.cc [_GLIBCXX_SHARED]
2878         (_Async_state_common::_M_join): Simplify use of std::call_once and
2879         corresponding explicit instantiation.
2880         (_Maybe_wrap_member_pointer, _Bind_simple, _Bind_simple_helper)
2881         (__bind_simple): Remove definitions and explicit instantiation that
2882         are not required by exported symbols.
2883
2884 2018-07-16  Jonathan Wakely  <jwakely@redhat.com>
2885
2886         * scripts/create_testsuite_files: Fix typo in comment.
2887
2888         PR libstdc++/86537
2889         * include/bits/shared_ptr.h (less<shared_ptr<_Tp>>): Remove
2890         non-standard partial specialization.
2891         * include/bits/shared_ptr_base.h (_Sp_less): Remove class definition.
2892         (less<__shared_ptr<_Tp, _Lp>): Remove partial specialization.
2893         * testsuite/20_util/shared_ptr/comparison/86537.cc: New test.
2894
2895 2018-07-16  Andreas Krebbel  <krebbel@linux.ibm.com>
2896
2897         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
2898         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
2899         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
2900
2901 2018-07-06  François Dumont  <fdumont@gcc.gnu.org>
2902
2903         * include/debug/functions.h (__gnu_debug::__check_string): Move...
2904         * include/debug/string (__gnu_debug::__check_string): ... here.
2905         (_GLIBCXX_DEBUG_VERIFY_STR_COND_AT): New.
2906         (__glibcxx_check_string_n_constructor): New.
2907         (__gnu_debug::basic_string<>(const _CharT*, size_type, const _Alloc&)):
2908         Use latter.
2909         (__glibcxx_check_string_constructor): New.
2910         (__gnu_debug::basic_string<>(const _CharT*, const _Alloc&)):
2911         Use latter.
2912         * testsuite/21_strings/basic_string/debug/1_neg.cc: New.
2913         * testsuite/21_strings/basic_string/debug/2_neg.cc: New.
2914
2915 2018-07-06  Jonathan Wakely  <jwakely@redhat.com>
2916
2917         PR libstdc++/84928 use std::move in <numeric> algorithms
2918         * include/bits/stl_numeric.h (_GLIBCXX_MOVE_IF_20): Define macro to
2919         conditionally move, according to __cplusplus value.
2920         (accumulate, inner_product, partial_sum, adjacent_difference): Use
2921         _GLIBCXX_MOVE_IF_20.
2922         * testsuite/26_numerics/accumulate/lwg2055.cc: New test.
2923         * testsuite/26_numerics/adjacent_difference/lwg2055.cc: New test.
2924         * testsuite/26_numerics/inner_product/lwg2055.cc: New test.
2925         * testsuite/26_numerics/partial_sum/lwg2055.cc: New test.
2926
2927         * config/abi/pre/gnu.ver: Use wildcards to combine related patterns.
2928
2929         P0935R0 Eradicating unnecessarily explicit default constructors
2930         * config/abi/pre/gnu.ver: Tighten existing patterns and export new
2931         default constructor symbols.
2932         * include/std/sstream (basic_stringbuf, basic_istringstream)
2933         (basic_ostringstream, basic_stringstream): Remove default arguments
2934         from explicit constructors taking ios_base::openmode and add separate
2935         non-explicit default constructors.
2936         * testsuite/27_io/basic_istringstream/cons/default.cc: New.
2937         * testsuite/27_io/basic_ostringstream/cons/default.cc: New.
2938         * testsuite/27_io/basic_stringstream/cons/default.cc: New.
2939         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: New.
2940         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: New.
2941
2942         * include/std/variant (__accepted_index): Use void_t.
2943
2944 2018-07-05  Jonathan Wakely  <jwakely@redhat.com>
2945
2946         PR libstdc++/85831
2947         * config/abi/pre/gnu.ver: Export move constructors and move
2948         assignment operators for std::logic_error and std::runtime_error.
2949         * include/std/stdexcept: Use _GLIBCXX_NOTHROW instead of
2950         _GLIBCXX_USE_NOEXCEPT.
2951         (logic_error, runtime_error): Declare move constructors and move
2952         assignment operators. When not declared already, define copy
2953         constructors and copy assignment operators as explicit-defaulted.
2954         (domain_error, invalid_argument, length_error, out_of_range)
2955         (overflow_error, underflow_error): Define move constructors and move
2956         assignment operators as explicitly-defaulted.
2957         * libsupc++/exception.h (exception): Likewise.
2958         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Define
2959         move constructors and move assignment operators as defaulted.
2960         * testsuite/19_diagnostics/stdexcept.cc: Check that constructors and
2961         assignment operators are defined.
2962
2963         * testsuite/21_strings/basic_string/cons/char/deduction.cc: XFAIL for
2964         COW strings.
2965         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2966         Likewise.
2967         * testsuite/21_strings/basic_string/requirements/
2968         explicit_instantiation/debug.cc: Likewise.
2969
2970         PR libstdc++/58265
2971         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2972         (basic_string::assign(basic_string&&)): Add conditional noexcept
2973         depending on the allocator's is_always_equal property (LWG 2063).
2974         * testsuite/21_strings/basic_string/modifiers/assign/char/
2975         move_assign.cc: Check for non-throwing exception specification.
2976         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
2977         move_assign.cc: Likewise.
2978
2979         PR libstdc++/58265
2980         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2981         [_GLIBCXX_FULLY_DYNAMIC_STRING==0] (basic_string::basic_string()):
2982         Add GLIBCXX_NOEXCEPT.
2983         (basic_string::operator=(basic_string&&)): Add _GLIBCXX_NOEXCEPT_IF
2984         to depend on the allocator's is_always_equal property (LWG 2063).
2985         (basic_string::swap(basic_string&)): Likewise.
2986         * include/bits/basic_string.tcc [!_GLIBCXX_USE_CXX11_ABI]
2987         (basic_string::swap(basic_string&)): Likewise.
2988         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
2989         Check is_nothrow_move_assignable.
2990         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
2991         Check is_nothrow_move_assignable.
2992         * testsuite/21_strings/basic_string/cons/char/
2993         noexcept_move_construct.cc: Likewise.
2994         * testsuite/21_strings/basic_string/cons/wchar_t/
2995         noexcept_move_construct.cc: Likewise.
2996
2997 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2998
2999         P0646R1 Improving the Return Value of Erase-Like Algorithms I
3000         * include/bits/forward_list.h (__cpp_lib_list_remove_return_type):
3001         Define.
3002         (forward_list::__remove_return_type): Define typedef as size_type or
3003         void, according to __cplusplus value.
3004         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
3005         empty, according to __cplusplus value.
3006         (forward_list::remove, forward_list::unique): Use typedef and macro
3007         to change return type and add abi-tag for C++2a.
3008         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
3009         typedef to change return type for C++2a.
3010         * include/bits/forward_list.tcc (_GLIBCXX20_ONLY): Define macro.
3011         (forward_list::remove, forward_list::remove_if<Pred>)
3012         (forward_list::unique<BinPred>): Return number of removed elements
3013         for C++2a.
3014         * include/bits/list.tcc (_GLIBCXX20_ONLY): Define macro.
3015         (list::remove, list::unique, list::remove_if<Predicate>)
3016         (list::unique<BinaryPredicate>): Return number of removed elements
3017         for C++2a.
3018         * include/bits/stl_list.h (__cpp_lib_list_remove_return_type): Define.
3019         (list::__remove_return_type): Define typedef as size_type or
3020         void, according to __cplusplus value.
3021         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
3022         empty, according to __cplusplus value.
3023         (list::remove, list::unique): Use typedef and macro to change return
3024         type and add abi-tag for C++2a.
3025         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use
3026         typedef to change return type for C++2a.
3027         * include/std/version (__cpp_lib_list_remove_return_type): Define.
3028         * testsuite/23_containers/forward_list/operations/
3029         remove_cxx20_return.cc: New.
3030         * testsuite/23_containers/forward_list/operations/
3031         unique_cxx20_return.cc: New.
3032
3033         P0458R2 Checking for Existence of an Element in Associative Containers
3034         * include/bits/stl_map.h (map::contains): Add for C++2a.
3035         * include/bits/stl_multimap.h (multimap::contains): Likewise.
3036         * include/bits/stl_multiset.h (multiset::contains): Likewise.
3037         * include/bits/stl_set.h (set::contains): Likewise.
3038         * include/bits/stl_tree.h (__has_is_transparent_t): Define alias.
3039         (_Rb_tree::_M_find_tr, _Rb_tree::_M_count_tr)
3040         (_Rb_tree::_M_lower_bound_tr, _Rb_tree::_M_upper_bound_tr)
3041         (_Rb_tree::_M_equal_range_tr): Use __has_is_transparent_t.
3042         * include/bits/unordered_map.h (unordered_map::contains)
3043         (unordered_multimap::contains): Add for C++2a.
3044         * include/bits/unordered_set.h (unordered_set::contains)
3045         (unordered_multiset::contains): Likewise.
3046         * testsuite/23_containers/map/operations/contains.cc: New.
3047         * testsuite/23_containers/multimap/operations/contains.cc: New.
3048         * testsuite/23_containers/multiset/operations/contains.cc: New.
3049         * testsuite/23_containers/set/operations/contains.cc: New.
3050         * testsuite/23_containers/unordered_map/operations/contains.cc: New.
3051         * testsuite/23_containers/unordered_multimap/operations/contains.cc:
3052         New.
3053         * testsuite/23_containers/unordered_multiset/operations/contains.cc:
3054         New.
3055         * testsuite/23_containers/unordered_set/operations/contains.cc: New.
3056
3057 2018-07-04  François Dumont  <fdumont@gcc.gnu.org>
3058
3059         PR libstdc++/86272
3060         * include/debug/string
3061         (__gnu_debug::basic_string<>::insert<_Ite>(const_iterator, _Ite, _Ite)):
3062         Use __glibcxx_check_insert_range.
3063         * 21_strings/basic_string/cons/char/1.cc: Adapt test to use
3064         __gnu_debug::string when _GLIBCXX_DEBUG.
3065         * 21_strings/basic_string/init-list.cc: Likewise.
3066         * 21_strings/basic_string/modifiers/insert/char/1.cc: Likewise.
3067         * 21_strings/basic_string/modifiers/insert/char/2.cc: Likewise.
3068         * 21_strings/basic_string/modifiers/insert/char/83328.cc: Likewise.
3069         * 21_strings/basic_string/types/1.cc: Likewise.
3070
3071 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3072
3073         * testsuite/25_algorithms/make_heap/complexity.cc: Require effective
3074         target for std::random_device.
3075         * testsuite/26_numerics/random/random_device/cons/default.cc:
3076         Likewise.
3077         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
3078         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
3079         * testsuite/experimental/random/randint.cc: Likewise.
3080         * testsuite/lib/libstdc++.exp
3081         (check_effective_target_random_device): New proc.
3082
3083 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3084             Jakub Jelinek  <jakub@redhat.com>
3085
3086         * include/std/bit (__rotl, __rotr): Fix for non-power of two sizes.
3087
3088 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3089
3090         PR libstdc++/86398
3091         * include/std/type_traits (is_trivially_constructible): Check
3092         is_constructible before __is_trivially_constructible.
3093         * testsuite/20_util/is_trivially_constructible/value.cc: Add more
3094         tests, including negative cases.
3095         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Use
3096         zero for dg-error lineno.
3097         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
3098         Likewise.
3099
3100         * include/std/bit (__rotl, __rotr): Avoid branch.
3101         (_If_is_unsigned_integer): Use remove_cv_t.
3102         * testsuite/26_numerics/bit/bitops.count/popcount.cc: New.
3103
3104 2018-07-03  Jonathan Wakely  <jwakely@redhat.com>
3105
3106         P0556R3 Integral power-of-2 operations, P0553R2 Bit operations
3107         * include/Makefile.am: Add new header.
3108         * include/Makefile.in: Regenerate.
3109         * include/precompiled/stdc++.h: Include new header.
3110         * include/std/bit: New header.
3111         (__rotl, __rotr, __countl_zero, __countl_one, __countr_zero)
3112         (__countr_one, __popcount, __ispow2, __ceil2, __floor2, __log2p1):
3113         Define for C++14.
3114         [!__STRICT_ANSI__] (rotl, rotr, countl_zero, countl_one, countr_zero)
3115         (countr_one, popcount): Define for C++2a. Also overload for std::byte.
3116         (ispow2, ceil2, floor2, log2p1): Define for C++2a.
3117         [!__STRICT_ANSI__] (ispow2, ceil2, floor2, log2p1): Overload for
3118         std::byte.
3119         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: New.
3120         * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: New.
3121         * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: New.
3122         * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: New.
3123         * testsuite/26_numerics/bit/bitops.rot/rotl.cc: New.
3124         * testsuite/26_numerics/bit/bitops.rot/rotr.cc: New.
3125         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: New.
3126         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: New.
3127         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: New.
3128         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: New.
3129
3130         * include/bits/alloc_traits.h: Remove redundant preprocessor
3131         condition.
3132
3133 2018-07-03  François Dumont  <fdumont@gcc.gnu.org>
3134
3135         * include/bits/stl_algobase.h (__niter_wrap): New.
3136         (__copy_move_a2(_II, _II, _OI)): Use latter.
3137         (__copy_move_backward_a2(_BI1, _BI1, _BI2)): Likewise.
3138         (fill_n(_OI, _Size, const _Tp&)): Likewise.
3139         (equal(_II1, _II1, _II2)): Use __glibcxx_requires_can_increment.
3140         * include/debug/stl_iterator.h
3141         (std::__niter_base(const __gnu_cxx::_Safe_iterator<
3142         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New declaration.
3143         * include/debug/vector (__niter_base(const __gnu_cxx::_Safe_iterator<
3144         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New.
3145
3146 2018-07-02  Jonathan Wakely  <jwakely@redhat.com>
3147
3148         P0758R1 Implicit conversion traits
3149         * include/std/type_traits [__cplusplus > 201703]
3150         (__is_convertible_helper::__is_nothrow_type): Define new member.
3151         (__is_convertible_helper<_From, _To, false>::__test_aux1): Add
3152         noexcept.
3153         (__is_convertible_helper<_From, _To, false>::__test_nothrow)
3154         (__is_convertible_helper<_From, _To, false>::__is_nothrow_type): Add
3155         new members.
3156         (is_nothrow_convertible, is_nothrow_convertible_v): Define for C++2a.
3157         * testsuite/20_util/is_nothrow_convertible/value.cc: New.
3158         * testsuite/20_util/is_nothrow_convertible/requirements/
3159         explicit_instantiation.cc: New.
3160         * testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc:
3161         New.
3162
3163         P0887R1 The identity metafunction
3164         * include/std/type_traits (type_identity, type_identity_t): Define
3165         for C++2a.
3166         * testsuite/20_util/type_identity/requirements/alias_decl.cc: New.
3167         * testsuite/20_util/type_identity/requirements/
3168         explicit_instantiation.cc:New.
3169         * testsuite/20_util/type_identity/requirements/typedefs.cc: New.
3170
3171         * include/bits/regex.h (sub_match::operator string_type): Call str().
3172         (sub_match::compare): Use _M_str() instead of str().
3173         (sub_match::_M_compare): New public function.
3174         (sub_match::__string_view): New helper type.
3175         (sub_match::_M_str): New overloaded functions to avoid creating a
3176         string_type object when not needed.
3177         (operator==, operator!=, operator<, operator>, operator<=, operator>=):
3178         Use sub_match::_M_compare instead of creating string_type objects.
3179         Fix Doxygen comments.
3180         * include/bits/regex_compiler.h (__has_contiguous_iter): Remove.
3181         (__is_contiguous_normal_iter): Rename to __is_contiguous_iter and
3182         simplify.
3183         (__enable_if_contiguous_iter, __disable_if_contiguous_iter): Use
3184         __enable_if_t.
3185         * include/std/type_traits (__enable_if_t): Define for C++11.
3186         * testsuite/28_regex/sub_match/compare.cc: New.
3187         * testsuite/util/testsuite_iterators.h (remove_cv): Add transformation
3188         trait.
3189         (input_iterator_wrapper): Use remove_cv for value_type argument of
3190         std::iterator base class.
3191
3192 2018-06-29  Jonathan Wakely  <jwakely@redhat.com>
3193
3194         * testsuite/20_util/add_rvalue_reference/requirements/alias_decl.cc:
3195         Add whitespace to dejagnu directive.
3196         * testsuite/23_containers/array/element_access/at_neg.cc: Likewise.
3197
3198 2018-06-27  François Dumont  <fdumont@gcc.gnu.org>
3199
3200         * include/bits/stl_vector.h
3201         (struct _Vector_base<>::_Vector_impl_data): New.
3202         (struct _Vector_base<>::_Vector_impl): Inherit from latter.
3203         (_Vector_base<>::_Vector_impl::_M_swap_data): Move...
3204         (_Vector_base<>::_Vector_impl_data::_M_swap_data): ...here.
3205         (_Vector_base<>::_Vector_impl()): Add noexcept qualification.
3206         (_Vector_base<>::_Vector_impl(_Vector_impl&&)): New.
3207         (_Vector_base<>::_Vector_impl(_Tp_alloc_type&&, _Vector_impl&&)): New.
3208         (_Vector_base(const allocator_type&, _Vector_base&&)): New, use latter.
3209         (_Vector_base()): Default.
3210         (_Vector_base(_Vector_base&&)): Default.
3211         (_Vector_base(size_t)) [_GLIBCXX_INLINE_VERSION]: Delete.
3212         (_Vector_base(_Tp_alloc_type&&)) [_GLIBCXX_INLINE_VERSION]: Delete.
3213         (_Vector_base::_M_create_storage(size_t)): Make protected.
3214         (vector()): Default.
3215         (vector(vector&&)): Default.
3216         (vector(vector&&, const allocator_type&, true_type)): New.
3217         (vector(vector&&, const allocator_type&, false_type)): New.
3218         (vector(vector&&, const allocator_type&)): Use latters.
3219         (vector(_InputIte, _InputIte, const allocator_type&)): Call
3220         _M_range_initialize directly.
3221         * include/debug/vector
3222         (vector(vector&&, const allocator_type&)): Add noexcept qualification.
3223         * testsuite/23_containers/vector/allocator/default_init.cc: New.
3224         * testsuite/23_containers/vector/cons/noexcept_move_construct.cc: Add
3225         static assertions.
3226
3227 2018-06-27  Jonathan Wakely  <jwakely@redhat.com>
3228
3229         * include/bits/cpp_type_traits.h [__cplusplus >= 201703]
3230         (__is_byte<byte>): Define specialization for std::byte.
3231
3232         PR libstdc++/86138
3233         * include/bits/basic_string.tcc: [_GLIBCXX_EXTERN_TEMPLATE < 0]
3234         Declare explicit instantiations of COW empty reps and I/O functions.
3235
3236 2018-06-26  David Edelsohn  <dje.gcc@gmail.com>
3237
3238         * testsuite/experimental/algorithm/sample-2.cc: Add TLS DejaGNU
3239         directives.
3240         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
3241
3242 2018-06-26  Jonathan Wakely  <jwakely@redhat.com>
3243
3244         * include/bits/regex.tcc (regex_iterator::operator==): Add missing
3245         noexcept.
3246
3247 2018-06-25  Jonathan Wakely  <jwakely@redhat.com>
3248
3249         PR libstdc++/86112
3250         * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
3251         Replace dict comprehension.
3252
3253         PR libstdc++/81092
3254         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3255
3256         PR libstdc++/86292
3257         * include/bits/stl_vector.h (vector::_M_range_initialize<InputIter>):
3258         Add try-catch block.
3259         * testsuite/23_containers/vector/cons/86292.cc: New.
3260
3261         * doc/xml/manual/status_cxx2017.xml: Document N4531 status.
3262
3263         * include/experimental/algorithm (sample, shuffle): Add new overloads
3264         using per-thread random number engine.
3265         * testsuite/experimental/algorithm/sample.cc: Simpify and reduce
3266         dependencies by using __gnu_test::test_container.
3267         * testsuite/experimental/algorithm/sample-2.cc: New.
3268         * testsuite/experimental/algorithm/shuffle.cc: New.
3269
3270 2018-06-22  Jonathan Wakely  <jwakely@redhat.com>
3271
3272         * config/abi/pre/gnu.ver: Fix __cxx11::basic_string patterns for
3273         different size_t mangling on 32-bit targets.
3274
3275         PR libstdc++/86280
3276         * include/experimental/memory_resource
3277         (__resource_adaptor_common::_AlignMgr::_M_token_size): Use type large
3278         enough for result of left shift.
3279
3280         PR libstdc++/86138
3281         * include/bits/basic_string.tcc:
3282         [__cplusplus > 201402 && !_GLIBCXX_USE_CXX11_ABI]
3283         (basic_string<char>::_Rep::_S_empty_rep_storage)
3284         (basic_string<wchar_t>::_Rep::_S_empty_rep_storage): Add explicit
3285         instantiation declarations.
3286         [__cplusplus > 201402] (operator>>, operator<<, getline): Re-enable
3287         explicit instantiation declarations.
3288         * testsuite/21_strings/basic_string/cons/char/86138.cc: New.
3289         * testsuite/21_strings/basic_string/cons/wchar_t/86138.cc: New.
3290
3291 2018-06-21  Jonathan Wakely  <jwakely@redhat.com>
3292
3293         PR libstdc++/83328
3294         * acinclude.m4 (libtool_VERSION): Bump to 6:26:0.
3295         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 and export new symbol.
3296         * configure: Regenerate.
3297         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
3298         (basic_string::insert(const_iterator, initializer_list<C>)): Add.
3299         [_GLIBCXX_USE_CXX11_ABI && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
3300         (basic_string::insert(iterator, initializer_list<C>)): Suppress
3301         definition.
3302         * include/debug/string (basic_string::insert(iterator, C)): Change
3303         first parameter to const_iterator.
3304         (basic_string::insert(iterator, size_type, C)): Likewise. Change
3305         return type to iterator.
3306         (basic_string::insert(iterator, InputIterator, InputIterator)):
3307         Likewise.
3308         (basic_string::insert(iterator, initializer_list<C>)): Change first
3309         parameter to const_iterator and return type to iterator.
3310         * src/c++11/string-inst.cc: Extend comment.
3311         * testsuite/21_strings/basic_string/modifiers/insert/char/83328.cc:
3312         New.
3313         * testsuite/21_strings/basic_string/modifiers/insert/wchar_t/83328.cc:
3314         New.
3315         * testsuite/util/testsuite_abi.cc: Add new symbol version.
3316
3317         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3318
3319         PR libstdc++/70940
3320         * include/experimental/memory_resource
3321         (__resource_adaptor_imp::do_deallocate): Add missing return.
3322         * testsuite/experimental/memory_resource/new_delete_resource.cc: New.
3323         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
3324         resource_adaptor with std::allocator, __gnu_cxx::new_allocator and
3325         __gnu_cxx::malloc_allocator.
3326
3327         PR libstdc++/70940
3328         * include/experimental/memory_resource (__resource_adaptor_common):
3329         New base class.
3330         (__resource_adaptor_common::_AlignMgr): Helper for obtaining aligned
3331         pointer from unaligned, and vice versa.
3332         (__resource_adaptor_imp::do_allocate): Use _AlignMgr to adjust
3333         allocated pointer to meet alignment request.
3334         (__resource_adaptor_imp::do_deallocate): Use _AlignMgr to retrieve
3335         original pointer for deallocation.
3336         (__resource_adaptor_imp::do_is_equal): Reformat.
3337         (__resource_adaptor_imp::_S_aligned_size): Remove.
3338         (__resource_adaptor_imp::_S_supported): Remove.
3339         (new_delete_resource): Use __gnu_cxx::new_allocator.
3340         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
3341         extended alignments and use debug_allocator to check for matching
3342         allocate/deallocate pairs.
3343
3344 2018-06-21  François Dumont  <fdumont@gcc.gnu.org>
3345
3346         * include/debug/safe_iterator.h
3347         (_Safe_iterator<>(const _Safe_iterator<_MutableIterator,>& __x)):
3348         Compare __x base iterator with a value-initialized iterator of the
3349         same type.
3350
3351 2018-06-20  Jonathan Wakely  <jwakely@redhat.com>
3352
3353         PR libstdc++/70966
3354         * include/experimental/memory_resource (__resource_adaptor_imp): Add
3355         static assertions to enforce requirements on pointer types.
3356         (__resource_adaptor_imp::get_allocator()): Add noexcept.
3357         (new_delete_resource, null_memory_resource): Return address of an
3358         object with dynamic storage duration.
3359         (__null_memory_resource): Remove.
3360         * testsuite/experimental/memory_resource/70966.cc: New.
3361
3362         * testsuite/20_util/duration/arithmetic/dr3050.cc: Add new test
3363         missed from recent commit.
3364
3365 2018-06-19  Jonathan Wakely  <jwakely@redhat.com>
3366
3367         * include/std/utility: Remove unused <exception> header.
3368
3369 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
3370
3371         LWG 2975 ensure construct(pair<T,U>*, ...) used to construct pairs
3372         * include/std/scoped_allocator (__not_pair): Define SFINAE helper.
3373         (construct(_Tp*, _Args&&...)): Remove from overload set when _Tp is
3374         a specialization of std::pair.
3375         * testsuite/20_util/scoped_allocator/construct_pair.cc: Ensure
3376         pair elements are constructed correctly.
3377
3378         LWG 2989 hide path iostream operators from normal lookup
3379         * include/bits/fs_path.h (operator<<, operator>>): Define inline as
3380         friends.
3381         * testsuite/27_io/filesystem/path/io/dr2989.cc: New.
3382
3383         LWG 3050 Fix cv-qualification of convertibility constraints
3384         * include/std/chrono (duration, operator*, operator/, operator%): Use
3385         const-qualified type as source type in is_convertible constraints.
3386         * testsuite/20_util/duration/arithmetic/dr3050.cc: New.
3387         * testsuite/20_util/duration/cons/dr3050.cc: New.
3388         * testsuite/20_util/duration/literals/range.cc: Rename to...
3389         * testsuite/20_util/duration/literals/range_neg.cc: Here. Adjust
3390         dg-error lineno.
3391
3392 2018-06-18  Maya Rashish  <coypu@sdf.org>
3393
3394         * crossconfig.m4: Handle OpenBSD just like NetBSD.
3395         * configure: Rebuilt.
3396
3397 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
3398
3399         P0754R2 <version> header
3400         * include/Makefile.am: Add new header.
3401         * include/Makefile.in: Regenerate.
3402         * include/bits/c++config: Change doxygen comment to suggest <version>
3403         instead of <iosfwd>.
3404         * include/precompiled/stdc++.h: Include <cwchar> and <cwctype>
3405         unconditionally.  Add C++17 and C++20 headers.
3406         * include/std/version: New header.
3407         * testsuite/17_intro/headers/c++2017/all_attributes.cc: New.
3408         * testsuite/17_intro/headers/c++2017/all_no_exceptions.cc: New.
3409         * testsuite/17_intro/headers/c++2017/all_no_rtti.cc: New.
3410         * testsuite/17_intro/headers/c++2017/all_pedantic_errors.cc: New.
3411         * testsuite/17_intro/headers/c++2017/operator_names.cc: New.
3412         * testsuite/17_intro/headers/c++2017/stdc++.cc: New.
3413         * testsuite/17_intro/headers/c++2017/stdc++_multiple_inclusion.cc:
3414         New.
3415         * testsuite/17_intro/headers/c++2020/all_attributes.cc: New.
3416         * testsuite/17_intro/headers/c++2020/all_no_exceptions.cc: New.
3417         * testsuite/17_intro/headers/c++2020/all_no_rtti.cc: New.
3418         * testsuite/17_intro/headers/c++2020/all_pedantic_errors.cc: New.
3419         * testsuite/17_intro/headers/c++2020/operator_names.cc: New.
3420         * testsuite/17_intro/headers/c++2020/stdc++.cc: New.
3421         * testsuite/17_intro/headers/c++2020/stdc++_multiple_inclusion.cc:
3422         New.
3423         * testsuite/18_support/headers/version/macros.cc: New.
3424         * testsuite/18_support/headers/version/macros.cc: New.
3425
3426         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Only check when
3427         enable_libstdcxx_filesystem_ts = yes. Check for link, readlink and
3428         symlink.
3429         * config.h.in: Regenerate.
3430         * configure: Regenerate.
3431         * configure.ac: Remove AC_CHECK_FUNCS for link, readlink and symlink.
3432
3433         LWG 3035. std::allocator's constructors should be constexpr
3434         * include/bits/allocator.h (allocator): Add constexpr to constructors
3435         for C++2a. Replace dynamic exception specifications with NOTHROW
3436         macro.
3437         (allocator, operator==, operator!=): Replace USE_NOEXCEPT macro with
3438         NOTHROW.
3439         * include/bits/c++config (_GLIBCXX20_CONSTEXPR): Define.
3440         * include/ext/malloc_allocator.h (malloc_allocator): Add constexpr
3441         to constructors for C++2a.
3442         * include/ext/new_allocator.h (new_allocator): Likewise.
3443
3444 2018-06-16  Jonathan Wakely  <jwakely@redhat.com>
3445
3446         LWG 3076 basic_string CTAD ambiguity
3447         * doc/xml/manual/intro.xml: Document LWG 3076 change.
3448         * include/bits/basic_string.h
3449         [__cpp_deduction_guides && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
3450         (basic_string(const _CharT*, const _Alloc&)): Turn into a function
3451         template constrained by _RequireAllocator.
3452         (basic_string(size_type, _CharT, const _Alloc&)): Likewise.
3453         * src/c++11/string-inst.cc (_GLIBCXX_DEFINING_STRING_INSTANTIATIONS):
3454         Define.
3455         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
3456         deduction
3457         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
3458         Likewise.
3459
3460 2018-06-15  Jonathan Wakely  <jwakely@redhat.com>
3461
3462         PR libstdc++/86169
3463         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
3464         (basic_string::data()): Unshare string.
3465         * testsuite/21_strings/basic_string/operations/data/char/86169.cc:
3466         New.
3467
3468         * include/std/string_view (basic_string_view(const CharT*)): Remove
3469         check for null pointer and add nonnull attribute.
3470         (compare(const CharT*), compare(size_type, size_type, const CharT*))
3471         (find(const CharT*, size_type), rfind(const CharT*, size_type))
3472         (find_first_of(const CharT*, size_type))
3473         (find_last_of(const CharT*, size_type))
3474         (find_first_not_of(const CharT*, size_type))
3475         (find_last_not_of(const CharT*, size_type)): Add nonnull attribute.
3476         * testsuite/21_strings/basic_string_view/cons/char/nonnull.cc: New.
3477         * testsuite/21_strings/basic_string_view/operations/compare/char/
3478         nonnull.cc: New.
3479         * testsuite/21_strings/basic_string_view/operations/find/char/
3480         nonnull.cc: New.
3481         * testsuite/21_strings/basic_string_view/operations/rfind/char/
3482         nonnull.cc: New.
3483
3484         PR libstdc++/86168
3485         * include/bits/random.h (random_device(const string&)): Remove
3486         default argument.
3487
3488         * include/bits/char_traits.h (__cpp_lib_constexpr_char_traits): Only
3489         define for C++17 and above.
3490
3491         LWG 2993 reference_wrapper<T> conversion from T&&
3492         * doc/xml/manual/intro.xml: Document LWG 2993 change.
3493         * include/bits/refwrap.h (reference_wrapper(_Tp&)): Remove.
3494         (reference_wrapper(_Tp&&)): Remove.
3495         (reference_wrapper<_Up>(_Up&&)): Define new constructor as constrained
3496         template.
3497         (reference_wrapper): Add deduction guide.
3498         * testsuite/20_util/reference_wrapper/deduction.cc: New.
3499         * testsuite/20_util/reference_wrapper/lwg2993.cc: New.
3500
3501         LWG 3039 Unnecessary decay in thread and packaged_task
3502         * include/std/future (__constrain_pkgdtask): Replace with ...
3503         (packaged_task::__not_same): New alias template, using
3504         __remove_cvref_t instead of decay.
3505         * include/std/thread (thread::__not_same): Add comment.
3506
3507 2018-06-14  Jonathan Wakely  <jwakely@redhat.com>
3508
3509         LWG 3075 basic_string needs deduction guides from basic_string_view
3510         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
3511         deduction from string views.
3512         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
3513         Likewise.
3514
3515         LWG 3074 make scalar types non-deduced in valarray non-member functions
3516         * include/bits/valarray_after.h (_DEFINE_EXPR_BINARY_FUNCTION): Change
3517         scalar parameters to be a non-deduced context.
3518         * include/std/valarray (_DEFINE_BINARY_OPERATOR): Likewise. Adjust
3519         whitespace.
3520         * testsuite/26_numerics/valarray/operators.cc: Test scalar operands.
3521         * testsuite/26_numerics/valarray/transcend.cc: New.
3522
3523         * include/std/tuple (__cpp_lib_tuple_element_t, tuple_element_t):
3524         Move back to <utility>.
3525         * include/std/utility (__cpp_lib_tuple_element_t. tuple_element_t):
3526         Restore to here.
3527
3528         P0935R0 Eradicating unnecessarily explicit default constructors
3529         * include/backward/strstream (strstreambuf): Add non-explicit default
3530         constructor.
3531         * include/bits/locale_conv.h (wbuffer_convert, wstring_convert):
3532         Likewise.
3533         * include/bits/regex.h (match_results): Likewise.
3534         * testsuite/22_locale/conversions/buffer/1.cc: Test for non-explicit
3535         default constructor.
3536         * testsuite/22_locale/conversions/string/1.cc: Likewise.
3537         * testsuite/28_regex/match_results/ctors/char/default.cc: Likewise.
3538         * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.
3539
3540         * include/std/tuple (__cpp_lib_tuple_element_t): Move feature test
3541         macro from <utility> and change type to long.
3542         * include/std/utility (__cpp_lib_tuple_element_t): Remove.
3543         * testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test
3544         macro.
3545
3546         P0935R0 Eradicating unnecessarily explicit default constructors
3547         * include/bits/random.h (uniform_real_distribution::param_type)
3548         (normal_distribution::param_type, lognormal_distribution::param_type)
3549         (gamma_distribution::param_type, chi_squared_distribution::param_type)
3550         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
3551         (student_t_distribution::param_type)
3552         (bernoulli_distribution::param_type)
3553         (binomial_distribution::param_type)
3554         (geometric_distribution::param_type)
3555         (negative_binomial_distribution::param_type)
3556         (poisson_distribution::param_type)
3557         (exponential_distribution::param_type)
3558         (weibull_distribution::param_type)
3559         (extreme_value_distribution::param_type): Add non-explicit default
3560         constructors. Remove default argument for first parameter of explicit
3561         constructors.
3562         * include/bits/uniform_int_dist.h
3563         (uniform_int_distribution::param_type): Likewise.
3564         * include/ext/random
3565         (beta_distribution::param_type, rice_distribution::param_type)
3566         (nakagami_distribution::param_type, pareto_distribution::param_type)
3567         (k_distribution::param_type, arcsine_distribution::param_type)
3568         (hoyt_distribution::param_type, triangular_distribution::param_type)
3569         (von_mises_distribution::param_type)
3570         (hypergeometric_distribution::param_type)
3571         (logistic_distribution::param_type)
3572         (uniform_inside_sphere_distribution::param_type): Likewise.
3573         (uniform_on_sphere_distribution::param_type): Make default constructor
3574         non-explicit.
3575         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
3576         Test param_type for non-explicit default constructor.
3577         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
3578         Likewise.
3579         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
3580         Likewise.
3581         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
3582         Likewise.
3583         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
3584         Likewise.
3585         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
3586         Likewise.
3587         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
3588         Likewise.
3589         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
3590         Likewise.
3591         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
3592         Likewise.
3593         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
3594         Likewise.
3595         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
3596         Likewise.
3597         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
3598         Likewise.
3599         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
3600         Likewise.
3601         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
3602         Likewise.
3603         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
3604         Likewise.
3605         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
3606         Likewise.
3607         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
3608         Likewise.
3609         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
3610         Likewise.
3611         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
3612         Likewise.
3613         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
3614         Likewise.
3615         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
3616         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
3617         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
3618         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
3619         Likewise.
3620         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
3621         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
3622         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
3623         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
3624         Likewise.
3625         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
3626         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
3627         * testsuite/ext/random/triangular_distribution/cons/default.cc:
3628         Likewise.
3629         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
3630         Likewise.
3631         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
3632         Likewise.
3633         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
3634         Likewise.
3635
3636 2018-06-14  Daniel Trebbien <dtrebbien@gmail.com>
3637             Jonathan Wakely  <jwakely@redhat.com>
3638
3639         PR libstdc++/83982
3640         * include/bits/vector.tcc (vector::_M_default_append(size_type)):
3641         Default-construct new elements before moving existing ones.
3642         * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
3643         New.
3644
3645 2018-06-13  Jonathan Wakely  <jwakely@redhat.com>
3646
3647         PR libstdc++/86127
3648         * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove
3649         unused typedef.
3650         (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after):
3651         Use node allocator to create and destroy elements.
3652         (forward_list::_Tp_alloc_type): Remove unused typedef.
3653         (forward_list::_Alloc_traits): Use allocator_traits instead of
3654         __gnu_cxx::__alloc_traits.
3655
3656 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
3657
3658         * include/debug/helper_functions.h
3659         (__gnu_debug::_Safe_iterator<>): Add declaration.
3660         (__can_advance(_Ite, _Size)): New.
3661         (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration.
3662         * include/debug/functions.h
3663         (__gnu_debug::_Safe_iterator<>): Remove declaration.
3664         * include/debug/stl_iterator.h
3665         (__can_advance(const _Safe_iterator<>&)): New definition.
3666         * include/debug/stl_iterator.h
3667         (__can_advance(const std::reverse_iterator<>&, _Size)): New.
3668         (__can_advance(const std::move_iterator<>&, _Size)): New.
3669         * include/debug/macros.h (__glibcxx_check_can_increment): New.
3670         * include/debug/debug.h (__glibcxx_requires_can_increment): New.
3671         * include/bits/stl_algobase.h (fill_n): Use latter.
3672         * testsuite/25_algorithms/fill_n/2.cc: New.
3673         * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New.
3674         * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New.
3675         * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New.
3676         * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New.
3677
3678         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
3679         (__glibcxx_requires_can_decrement_range): New.
3680
3681 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
3682
3683         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
3684         (__glibcxx_check_can_decrement_range): New.
3685         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
3686         __glibcxx_requires_can_increment_range.
3687         (std::move(_II, _II, _OI)): Likewise.
3688         (std::copy_backward(_BI, _BI, _BI2)): Use
3689         __glibcxx_requires_can_decrement_range.
3690         (std::move_backward(_BI, _BI, _BI2)): Likewise.
3691         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
3692         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
3693         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
3694         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
3695         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
3696         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
3697
3698 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
3699
3700         P0935R0 Eradicating unnecessarily explicit default constructors
3701         * include/bits/random.h (linear_congruential_engine)
3702         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
3703         (uniform_real_distribution, normal_distribution)
3704         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
3705         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
3706         (bernoulli_distribution, binomial_distribution,geometric_distribution)
3707         (negative_binomial_distribution, exponential_distribution)
3708         (weibull_distribution, extreme_value_distribution): Add non-explicit
3709         default constructors. Remove default argument for first parameter of
3710         explicit constructors.
3711         (piecewise_constant_distribution, piecewise_linear_distribution):
3712         Make default constructor non-explicit.
3713         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
3714         non-explicit default constructors. Remove default argument for first
3715         parameter of explicit constructor.
3716         * include/ext/random
3717         (simd_fast_mersenne_twister_engine, beta_distribution)
3718         (rice_distribution, nakagami_distribution, pareto_distribution)
3719         (k_distribution, arcsine_distribution, hoyt_distribution)
3720         (triangular_distribution, von_mises_distribution)
3721         (hypergeometric_distribution, logistic_distribution)
3722         (uniform_inside_sphere_distribution): Likewise.
3723         (uniform_on_sphere_distribution): Make default constructor
3724         non-explicit.
3725         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
3726         Test for non-explicit default constructor. Fix references to standard.
3727         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
3728         Likewise.
3729         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
3730         Likewise.
3731         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
3732         Likewise.
3733         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
3734         Likewise.
3735         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
3736         Likewise.
3737         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
3738         Likewise.
3739         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
3740         Likewise.
3741         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
3742         Likewise.
3743         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
3744         Likewise.
3745         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
3746         Likewise.
3747         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
3748         Likewise.
3749         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
3750         Likewise.
3751         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
3752         Likewise.
3753         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
3754         Likewise.
3755         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
3756         Likewise.
3757         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
3758         Likewise.
3759         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
3760         Likewise.
3761         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
3762         Likewise.
3763         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
3764         Likewise.
3765         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
3766         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
3767         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
3768         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
3769         Likewise.
3770         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
3771         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
3772         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
3773         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
3774         Likewise.
3775         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
3776         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
3777         * testsuite/ext/random/triangular_distribution/cons/default.cc:
3778         Likewise.
3779         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
3780         Likewise.
3781         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
3782         Likewise.
3783         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
3784         Likewise.
3785         * testsuite/util/testsuite_common_types.h
3786         (implicitly_default_constructible): New helper.
3787
3788 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
3789
3790         * include/bits/ios_base.h (ios::Init::Init(const Init&))
3791         (ios::Init::operator=): Define as defaulted.
3792         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
3793         Likewise.
3794         * include/bits/stream_iterator.h (istream_iterator::operator=)
3795         (ostream_iterator::operator=): Likewise.
3796         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
3797         Likewise.
3798         * include/std/bitset (bitset::reference::reference(const reference&)):
3799         Likewise.
3800         * include/std/complex (complex<float>::complex(const complex&))
3801         (complex<double>::complex(const complex&))
3802         (complex<long double>::complex(const complex&)): Likewise.
3803
3804 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
3805
3806         * include/bits/regex.h (sub_match): Add noexcept to default
3807         constructor and length observer.
3808         (match_results): Add noexcept to default constructor and observers
3809         with no preconditions. Define destructor as defaulted.
3810         (operator==, operator!=, swap): Add noexcept.
3811         (regex_iterator): Add default member initializers and define default
3812         constructor and destructor as defaulted. Add noexcept to equality
3813         and dereference operators.
3814
3815 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
3816
3817         * src/c++11/debug.cc
3818         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
3819         (_Safe_iterator_base::_M_detach_single()): Likewise.
3820         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
3821         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
3822
3823 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
3824
3825         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
3826         move of const value.
3827
3828 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
3829
3830         PR c++/86068
3831         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
3832         rather than __cpp_transactional_memory >= 201505L.
3833
3834 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
3835
3836         PR libstdc++/86008
3837         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
3838         Define new partial specialization.
3839         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
3840         new overload.
3841         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
3842         value not reference for iteration.
3843         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
3844         comment.
3845         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
3846         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
3847         comment.
3848
3849 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
3850
3851         * include/std/type_traits: Fix comment typos.
3852
3853         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
3854         mingw* targets.
3855         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
3856         * testsuite/experimental/filesystem/operations/read_symlink.cc:
3857         Likewise.
3858
3859 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
3860
3861         * include/bits/stl_tempbuf.h
3862         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
3863         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
3864         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
3865         * include/bits/stl_algo.h (__stable_partition): Adapt.
3866         (__inplace_merge): Adapt.
3867         (__stable_sort): Adapt.
3868
3869 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
3870
3871         PR libstdc++/85930
3872         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
3873         unconditionally. Remove redundant declaration.
3874         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
3875         alignment-specifier.
3876
3877         * include/bits/postypes.h (fpos): Define special members as defaulted.
3878
3879         PR libstdc++/85930
3880         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
3881         the static variable correctly.
3882
3883 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
3884
3885         PR libstdc++/78870 support std::filesystem on Windows
3886         * config.h.in: Regenerate.
3887         * configure: Regenerate.
3888         * configure.ac: Check for link, readlink and symlink.
3889         * include/bits/fs_path.h (path::operator/=(const path&)): Move
3890         definition out of class body.
3891         (path::is_absolute(), path::_M_append(path)): Likewise.
3892         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
3893         (operator>>(basic_istream, path&)): Likewise.
3894         (u8path): Reorder definitions and fix Windows implementation.
3895         (path::is_absolute()): Define inline and fix for Windows.
3896         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
3897         Define POSIX version inline.
3898         (path::_M_append(path)): Define inline.
3899         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
3900         definition out of class body.
3901         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
3902         escape characters.
3903         (operator>>(basic_istream, path&)): Likewise.
3904         (path::is_absolute()): Define inline and fix for Windows.
3905         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
3906         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
3907         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
3908         Define as adaptors for Windows functions/types or as
3909         using-declarations for POSIX functions/types.
3910         (_Dir_base, get_file_type): Qualify names to use declarations from
3911         __gnu_posix namespace.
3912         (_Dir_base::is_dor_or_dotdot): New helper functions.
3913         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
3914         names to use declarations from __gnu_posix namespace.
3915         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
3916         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
3917         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
3918         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
3919         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
3920         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
3921         Define as adaptors for Windows functions/types or as
3922         using-declarations for POSIX functions/types.
3923         (stat_type, do_copy_file): Qualify names to use declarations from
3924         __gnu_posix namespace.
3925         (do_space): Declare new function.
3926         (make_file_type): Only use S_ISLNK if defined.
3927         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
3928         path::value_type not char.
3929         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
3930         names to use declarations from __gnu_posix namespace.
3931         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
3932         add implementation for Windows.
3933         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
3934         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
3935         [!_PC_PATH_MAX]: Don't use pathconf.
3936         [PATH_MAX]: Use if defined.
3937         (filesystem::current_path(const path&, error_code&))
3938         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
3939         (filesystem::last_write_time, filesystem::permissions): Use names
3940         from __gnu_posix.
3941         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
3942         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
3943         implementation for Windows.
3944         (filesystem::rename, filesystem::resize_file): Use names from
3945         __gnu_posix.
3946         (filesystem::space): Use do_space.
3947         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
3948         (filesystem::status, filesystem::symlink_status): Use names from
3949         __gnu_posix.
3950         (filesystem::temp_directory_path): Add implementation for Windows.
3951         * src/filesystem/path.cc (dot): Define constant.
3952         (path::replace_extension): Use dot.
3953         (path::_M_find_extension): Likewise. Use path::string_type not
3954         std::string.
3955         (path::_M_split_cmpts): Use dot.
3956         (filesystem_error::_M_get_what): Use u8string() not native().
3957         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
3958         Qualify names to use declarations from __gnu_posix namespace.
3959         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
3960         correct error_code.
3961         (filesystem::absolute(const path&, error_code&)): Add implementation
3962         for Windows.
3963         (char_ptr, filesystem::canonical): Use path::value_type not char.
3964         (do_copy_file): Use names from __gnu_posix.
3965         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
3966         sendfile.
3967         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
3968         names to use declarations from __gnu_posix namespace.
3969         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
3970         add implementation for Windows.
3971         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
3972         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
3973         [!_PC_PATH_MAX]: Don't use pathconf.
3974         [PATH_MAX]: Use if defined.
3975         (filesystem::current_path(const path&, error_code&))
3976         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
3977         (filesystem::last_write_time, filesystem::permissions): Use names
3978         from __gnu_posix.
3979         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
3980         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
3981         implementation for Windows.
3982         (filesystem::rename, filesystem::resize_file): Use names from
3983         __gnu_posix.
3984         (do_space): Define.
3985         (filesystem::space): Use do_space.
3986         (filesystem::status, filesystem::symlink_status): Use names from
3987         __gnu_posix.
3988         (filesystem::temp_directory_path): Add implementation for Windows.
3989         * src/filesystem/std-path.cc
3990         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
3991         Define for Windows.
3992         (dot): Define constant.
3993         (path::replace_extension, is_dot): Use dot.
3994         (path::lexically_normal): Check _M_type instead of calling
3995         non-existent function.
3996         (path::_M_find_extension): Use dot. Use path::string_type not
3997         std::string.
3998         (path::_M_split_cmpts): Use dot.
3999         (filesystem_error::_M_get_what): Use u8string() not native().
4000         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
4001         use symlinks.
4002         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
4003         Likewise.
4004         * testsuite/27_io/filesystem/operations/absolute.cc: Use
4005         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
4006         * testsuite/27_io/filesystem/operations/canonical.cc: Use
4007         path::string() to get narrow string, not path::native().
4008         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
4009         with std::filesystem::path not std::basic_string.
4010         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
4011         * testsuite/27_io/filesystem/operations/exists.cc: Use
4012         __gnu_test::root_path() instead of "/".
4013         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
4014         fstreams with std::filesystem::path not std::basic_string.
4015         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
4016         path::string() to get narrow string.
4017         * testsuite/27_io/filesystem/operations/space.cc: Check results for
4018         errors, expect sensible values otherwise.
4019         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
4020         helpers for adjusting the environment on Windows.
4021         * testsuite/27_io/filesystem/path/append/path.cc: Test
4022         Windows-specific behaviour.
4023         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
4024         of path::string_type objects.
4025         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
4026         string to wide string on Windows.
4027         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
4028         for backslash as root-directory.
4029         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
4030         path::string() to get narrow string.
4031         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
4032         paths.
4033         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
4034         not std::string.
4035         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
4036         different definintion of absolute paths on Windows.
4037         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
4038         Do not use symlinks.
4039         * testsuite/experimental/filesystem/operations/absolute.cc: Test
4040         Windows behaviour.
4041         * testsuite/experimental/filesystem/operations/copy.cc: Construct
4042         fstreams with NTCTS not std::basic_string.
4043         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
4044         * testsuite/experimental/filesystem/operations/exists.cc: Use
4045         __gnu_test::root_path() instead of "/".
4046         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
4047         fstreams with NTCTS not std::basic_string.
4048         * testsuite/experimental/filesystem/operations/last_write_time.cc:
4049         Use path::string() to get narrow string.
4050         * testsuite/experimental/filesystem/operations/space.cc: Use
4051         __gnu_test::root_path() instead of "/".
4052         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
4053         Add helpers for adjusting the environment on Windows.
4054         * testsuite/experimental/filesystem/path/append/path.cc: Use
4055         path::string() to get narrow strings for comparisons.
4056         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
4057         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
4058         Likewise.
4059         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
4060         * testsuite/experimental/filesystem/path/native/string.cc: Use
4061         string_type not std::string.
4062         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
4063         Adjust for different definintion of absolute paths on Windows.
4064         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
4065         function.
4066         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
4067         std::basic_string.
4068
4069 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
4070
4071         PR libstdc++/85951
4072         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
4073         uint_least16_t and uint_least32_t.
4074         (__make_unsigned<wchar_t>): Define unconditionally.
4075         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
4076         typedefs.
4077         (__make_unsigned_selector_base): New type to provide helper templates.
4078         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
4079         __make_unsigned_selector_base helpers.
4080         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
4081         (__make_signed_selector<_Tp, true, false>): Remove intermediate
4082         typedefs.
4083         (__make_signed<wchar_t>, __make_signed<char16_t>)
4084         (__make_signed<char32_t>)): Define unconditionally.
4085         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
4086         wchar_t, char16_t and char32_t are transformed correctly.
4087         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
4088         dg-error lineno.
4089         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
4090         wchar_t, char16_t and char32_t are transformed correctly.
4091         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
4092         dg-error lineno.
4093
4094 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
4095
4096         * include/std/variant (__erased_dtor): Qualify call to __get.
4097
4098 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
4099
4100         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
4101         (_Rb_tree(const allocator_type&)): Use latter.
4102         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
4103         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
4104         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
4105         * include/bits/stl_multimap.h
4106         (multimap(const allocator_type&)): Likewise.
4107         (multimap(initializer_list<value_type>, const allocator_type&)):
4108         Likewise.
4109         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
4110         Likewise.
4111         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
4112         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
4113         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
4114         * include/bits/stl_multiset.h
4115         (multiset(const allocator_type&)): Likewise.
4116         (multiset(initializer_list<value_type>, const allocator_type&)):
4117         Likewise.
4118         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
4119         Likewise.
4120
4121 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
4122
4123         PR libstdc++/85768
4124         * src/c++11/debug.cc: Remove backtrace usage.
4125
4126 2018-05-24  Maya Rashish  <coypu@sdf.org>
4127
4128         PR target/85904
4129         * crossconfig.m4: Test for aligned_alloc on netbsd.
4130         * configure: Regenerate.
4131
4132 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
4133
4134         PR libstdc++/69769
4135         PR libstdc++/85886
4136         * include/bits/atomic_base.h (__atomic_base::value_type)
4137         (__atomic_base::difference_type): Add new typedefs.
4138         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
4139         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
4140         (atomic<T*>::operator++, atomic<T*>::operator--)
4141         (atomic<T*>::operator+=, atomic<T*>::operator-=)
4142         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
4143         to enforce C++17 requirement on pointer arithmetic.
4144         (__atomic_val_t, __atomic_diff_t): New alias templates.
4145         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
4146         (atomic_compare_exchange_weak_explicit)
4147         (atomic_compare_exchange_strong_explicit, atomic_store)
4148         (atomic_exchange, atomic_compare_exchange_weak)
4149         (atomic_compare_exchange_strong): Use __atomic_val_t to make
4150         scalar parameters be non-deduced contexts.
4151         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
4152         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
4153         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
4154         parameters.
4155         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
4156         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
4157         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
4158         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
4159         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
4160         address types.
4161         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
4162         * testsuite/29_atomics/atomic/69769.cc: New test.
4163         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
4164         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
4165         Disable test for C++17 and later.
4166         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
4167         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
4168         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
4169         test.
4170
4171 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
4172
4173         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
4174         template to alias template.
4175         (path::__value_type_is_char): Use remove_const_t.
4176         (path:_S_string_from_iter): New helper function.
4177         (path::_S_convert(InputIter, __null_terminated))
4178         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
4179         Use _S_string_from_iter.
4180         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
4181         rep for COW strings.
4182         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
4183         Change from class template to alias template.
4184         (path::__value_type_is_char): Use remove_const.
4185         (path:_S_string_from_iter): New helper function.
4186         (path::_S_convert(InputIter, __null_terminated))
4187         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
4188         Use _S_string_from_iter.
4189         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
4190         wide strings.
4191         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
4192         string equality, not path equivalence.
4193         * testsuite/27_io/filesystem/path/construct/format.cc: Check
4194         construction from std::string and std::wstring and input iterators.
4195         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
4196         construction from iterators.
4197         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
4198         exact string equality, not path equivalence.
4199         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
4200         construction from iterators.
4201
4202         * include/bits/fs_path.h (path::_M_type): Change default member
4203         initializer to _Filename.
4204         (path::begin): Create past-the-end iterator for empty path.
4205         * src/filesystem/std-path.cc (path::remove_filename()): Remove
4206         debugging check.
4207         (path::has_relative_path()): Return false for empty filenames.
4208         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
4209         Fix offset of empty final component.
4210         * testsuite/27_io/filesystem/path/itr/components.cc: New.
4211         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
4212
4213 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
4214
4215         Add support for opening file streams from wide character strings.
4216         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
4217         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
4218         Define new overload.
4219         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
4220         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
4221         Declare new overload.
4222         * configure.ac: Check for _wfopen.
4223         * crossconfig.m4: Likewise.
4224         * configure: Regenerate.
4225         * config.h.in: Regenerate.
4226         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
4227         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
4228         Define new overload.
4229         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
4230         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
4231         Declare new overload.
4232         [_GLIBCXX_HAVE__WFOPEN]
4233         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
4234         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
4235         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
4236         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
4237         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
4238         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
4239         new overloads.
4240         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
4241         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
4242         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
4243         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
4244         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
4245         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
4246         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
4247
4248 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
4249
4250         PR libstdc++/85845
4251         * include/bits/stl_tree.h
4252         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
4253         qualification.
4254
4255 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
4256
4257         * src/filesystem/std-ops.cc (absolute): Report an error for empty
4258         paths.
4259         (weakly_canonical(const path&)): Do not call canonical on empty path.
4260         (weakly_canonical(const path&, error_code&)): Likewise.
4261         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
4262
4263         PR libstdc++/85818
4264         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
4265         dg-require-filesystem-ts.
4266
4267         PR libstdc++/85843
4268         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
4269         initialize base class to avoid warnings.
4270
4271 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
4272
4273         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
4274         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
4275         little_endian element in bitmask.
4276         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
4277         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
4278
4279 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
4280
4281         * include/bits/stl_tree.h
4282         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
4283         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
4284         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
4285         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
4286         * include/debug/map.h
4287         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
4288         * include/debug/multimap.h
4289         (multimap(multimap&&, const_allocator_type&)): Likewise.
4290         * include/debug/set.h
4291         (set(set&&, const_allocator_type&)): Likewise.
4292         * include/debug/multiset.h
4293         (multiset(multiset&&, const_allocator_type&)): Likewise.
4294         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
4295         Add checks.
4296         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
4297         Add checks.
4298         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
4299         Add checks.
4300         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
4301         Add checks.
4302         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
4303         Add checks.
4304         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
4305         Add checks.
4306         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
4307         Add checks.
4308         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
4309         Add checks.
4310
4311 2018-05-18  Jason Merrill  <jason@redhat.com>
4312
4313         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
4314         for conversion to const_iterator.  Add defaulted copy ops.
4315         * libsupc++/new (bad_alloc): Add defaulted copy ops.
4316         * libsupc++/exception.h (exception): Add defaulted copy ops.
4317         * include/std/system_error (system_error): Add defaulted copy ops.
4318         * include/std/stdexcept (domain_error, invalid_argument)
4319         (length_error, out_of_range, range_error, overflow_error)
4320         (underflow_error): Add defaulted copy ops.
4321         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
4322         copy assignment.
4323         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
4324         * include/ext/throw_allocator.h (condition_base): Add defaulted
4325         default and copy ctor and copy assignment.
4326
4327 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
4328
4329         PR libstdc++/85098
4330         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
4331         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
4332         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
4333         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
4334         definitions.
4335         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
4336         whitespace.
4337         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
4338         braces around body of do-while.
4339         * testsuite/28_regex/basic_regex/85098.cc: New
4340
4341 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
4342
4343         PR libstdc++/85818
4344         * src/filesystem/path.cc (path::preferred_separator): Add used
4345         attribute.
4346         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
4347
4348         PR libstdc++/85812
4349         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
4350         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
4351         Refactor to separate non-throwing and throwing implementations.
4352         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
4353         if constructing the object throws.
4354
4355 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
4356
4357         PR libstdc++/85749
4358         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
4359         (linear_congruential_engine, mersenne_twister_engine)
4360         (subtract_with_carry_engine, discard_block_engine)
4361         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
4362         constrain function templates taking seed sequences.
4363         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
4364         (mersenne_twister_engine::seed(_Sseq&))
4365         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
4366         match declarations.
4367         * include/ext/random (simd_fast_mersenne_twister_engine): Use
4368         __is_seed_seq to constrain function templates taking seed sequences.
4369         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
4370         Change return type to match declaration.
4371         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
4372         New.
4373         * testsuite/26_numerics/random/independent_bits_engine/cons/
4374         seed_seq2.cc: New.
4375         * testsuite/26_numerics/random/linear_congruential_engine/cons/
4376         seed_seq2.cc: New.
4377         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
4378         seed_seq2.cc: New.
4379         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
4380         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
4381         New.
4382         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
4383         seed_seq2.cc: New.
4384         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
4385         seed_seq2.cc: New.
4386
4387         PR libstdc++/83891
4388         * include/bits/fs_path.h (path::is_absolute()): Use same definition
4389         for all operating systems.
4390         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
4391         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
4392         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
4393         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
4394
4395         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
4396         unused <vector> header.
4397         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
4398         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
4399         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
4400         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
4401         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
4402         Likewise.
4403         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
4404         Likewise.
4405         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
4406         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
4407         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
4408         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
4409         * testsuite/experimental/filesystem/path/decompose/extension.cc:
4410         Likewise.
4411         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
4412         * testsuite/experimental/filesystem/path/query/has_extension.cc:
4413         Likewise.
4414         * testsuite/experimental/filesystem/path/query/has_filename.cc:
4415         Likewise.
4416         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
4417         Likewise.
4418         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
4419         Likewise.
4420         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
4421         Likewise.
4422         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
4423         Likewise.
4424         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
4425         Likewise.
4426         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
4427         * testsuite/experimental/filesystem/path/query/is_relative.cc:
4428         Likewise.
4429
4430         PR libstdc++/84159
4431         * include/bits/fs_path.h (path::operator/=, path::append): Construct
4432         temporary path before calling _M_append.
4433         (path::_M_append): Change parameter to path and implement C++17
4434         semantics.
4435         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
4436         and more examples from the standard.
4437         * testsuite/27_io/filesystem/path/append/source.cc: New.
4438         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
4439         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
4440
4441         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
4442         __invoke to prevent ADL.
4443
4444 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
4445
4446         PR libstdc++/81256
4447         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
4448         exceptions from _M_terminate_output().
4449         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
4450         exceptions from close().
4451         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
4452
4453         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
4454         (__valarray_get_storage): Call operator new directly. Remove ignored
4455         top-level restrict qualifier and add malloc attribute instead.
4456         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
4457
4458         PR libstdc++/67554
4459         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
4460         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
4461
4462         PR libstdc++/82966
4463         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
4464         instead of type.
4465         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
4466
4467 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
4468
4469         PR libstdc++/80165
4470         * testsuite/20_util/variant/80165.cc: New.
4471
4472 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
4473
4474         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
4475         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
4476         of C++11 containers with Debug Mode support.
4477         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
4478         * doc/html/*: Regenerate.
4479
4480 2018-05-10  Jason Merrill  <jason@redhat.com>
4481
4482         * include/bits/regex_compiler.h (_S_cache_size): Change from
4483         function to variable.
4484
4485 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
4486
4487         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
4488         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
4489         argument defaulted to +1.  Doxy comments on same.
4490         * testsuite/special_functions/02_assoc_legendre/
4491         check_value.cc: Regen.
4492         * testsuite/tr1/5_numerical_facilities/special_functions/
4493         02_assoc_legendre/check_value.cc: Regen.
4494
4495 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
4496
4497         PR libstdc++/85729
4498         * include/bits/c++config.h (__replacement_assert): Add linkage
4499         specification.
4500         * include/bits/std_abs.h: Add comment to closing brace of block.
4501         * include/c_global/cstddef: Add linkage specification.
4502         * include/c_global/cstring: Likewise.
4503         * include/c_global/cwchar: Likewise.
4504
4505 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
4506
4507         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
4508         Rename in...
4509         (_Safe_iterator<>::_S_constant()): ...that.
4510         * include/debug/safe_local_iterator.h
4511         (_Safe_local_iterator<>::_M_constant()): Rename in...
4512         (_Safe_local_iterator<>::_S_constant()): ...that.
4513         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
4514         (_Iterator_state::__rbegin): New.
4515         (_Iterator_state::__rmiddle): New.
4516         (_Iterator_state::__rend): New.
4517         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
4518         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
4519         iterator type.
4520         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
4521         _Is_iterator)): Likewise.
4522         (_Parameter::_S_reverse_state(_Iterator_state)): New.
4523         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
4524         _Is_iterator)): New.
4525         (_Parameter(std::reverse_iterator<> const&, const char*,
4526         _Is_iterator)): New.
4527         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
4528         const char*, _Is_iterator)): New.
4529         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
4530         New.
4531         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
4532         _Is_iterator)): New.
4533         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
4534         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
4535         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
4536
4537 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
4538
4539         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
4540         Use constexpr if in C++17 mode.
4541         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
4542         Copy from const object.
4543         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
4544
4545 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
4546
4547         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
4548         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
4549         backtrace.
4550
4551         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
4552         * include/debug/functions.h (__check_valid_range): Use latter.
4553         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
4554         use latter.
4555         * include/debug/deque
4556         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
4557         * include/debug/forward_list
4558         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
4559         Likewise.
4560         * include/debug/list
4561         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
4562         * include/debug/list
4563         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
4564         * include/debug/map.h
4565         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
4566         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
4567         Likewise.
4568         * include/debug/multimap.h
4569         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
4570         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
4571         const _Alloc&)): Likewise.
4572         * include/debug/set.h
4573         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
4574         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
4575         Likewise.
4576         * include/debug/multiset.h
4577         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
4578         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
4579         const _Alloc&)): Likewise.
4580         * include/debug/string
4581         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
4582         Likewise.
4583         * include/debug/unordered_map
4584         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
4585         Likewise.
4586         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
4587         const _Alloc&)): Likewise.
4588         * include/debug/unordered_set
4589         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
4590         Likewise.
4591         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
4592         const _Alloc&)): Likewise.
4593         * include/debug/vector
4594         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
4595
4596         * include/debug/formatter.h (_Error_formatter::_M_function): New.
4597         (_Error_formatter(const char*, unsigned int)): Adapt.
4598         (_Error_formatter::_M_at): Rename in...
4599         (_Error_formatter::_S_at): ...that and adapt.
4600         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
4601         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
4602         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
4603         when available.
4604
4605 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
4606
4607         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
4608         Use normal std::vector even in Debug Mode.
4609
4610         PR libstdc++/85672
4611         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
4612         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
4613         * include/Makefile.in: Regenerate.
4614         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
4615         within conditional block.
4616
4617 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
4618
4619         * doc/xml/manual/using.xml (table.cmd_options): Document that the
4620         C++17 Filesystem implementation also needs -lstdc++fs.
4621
4622         PR libstdc++/85671
4623         * include/bits/fs_path.h (operator/): Permit copy elision.
4624         * include/experimental/bits/fs_path.h (operator/): Likewise.
4625
4626 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
4627
4628         Moar PR libstdc++/80506
4629         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
4630         Fix magic number used in loop condition.
4631
4632 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
4633
4634         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
4635         * include/std/optional (_Optional_payload): Add noexcept to default
4636         constructor. Re-indent.
4637         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
4638         constructor for copying disengaged payloads.
4639         (_Optional_payload<_Tp, true, false, true>): Likewise.
4640         (_Optional_payload<_Tp, true, true, false>): Likewise.
4641         (_Optional_payload<_Tp, true, false, false>): Likewise.
4642         * testsuite/20_util/optional/cons/85642.cc: New.
4643         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
4644
4645 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
4646
4647         PR libstdc++/82644
4648         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
4649         inline definitions instead of using-declarations.
4650         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
4651         * testsuite/tr1/5_numerical_facilities/special_functions/
4652         07_conf_hyperg/compile_cxx17.cc: New.
4653         * testsuite/tr1/5_numerical_facilities/special_functions/
4654         17_hyperg/compile_cxx17.cc: New.
4655
4656         PR libstdc++/84769
4657         * include/std/variant (visit): Qualify std::get call.
4658
4659         PR libstdc++/85632 use uintmax_t for arithmetic
4660         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
4661         arithmetic in result type.
4662         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
4663         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
4664         is greater than free space.
4665         * testsuite/experimental/filesystem/operations/space.cc: New.
4666
4667         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
4668         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
4669         New.
4670         * testsuite/20_util/remove_cvref/value.cc: New.
4671         * testsuite/20_util/remove_cvref/value_ext.cc: New.
4672
4673         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
4674         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
4675         (append(const basic_string&, size_type, size_type)
4676         (assign(const basic_string&, size_type, size_type)
4677         (insert(size_type, const basic_string&, size_type, size_type)
4678         (replace(size_type,size_type,const basic_string&,size_type,size_type)
4679         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
4680         Add default arguments (LWG 2268).
4681         [_GLIBCXX_USE_CXX11_ABI=0]
4682         (append(const basic_string&, size_type, size_type)
4683         (assign(const basic_string&, size_type, size_type)
4684         (insert(size_type, const basic_string&, size_type, size_type)
4685         (replace(size_type,size_type,const basic_string&,size_type,size_type)
4686         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
4687         Likewise.
4688         * testsuite/21_strings/basic_string/dr2268.cc: New test.
4689
4690         PR libstdc++/84535
4691         * include/std/thread (thread::__not_same): New SFINAE helper.
4692         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
4693         first argument is not a std::thread. Add static assertion to check
4694         INVOKE expression is valid.
4695         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
4696         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
4697         __invoke_result for return types and remove exception specifications.
4698         * testsuite/30_threads/thread/cons/84535.cc: New.
4699
4700         * include/std/future (__async_result_of): Use __invoke_result instead
4701         of result_of.
4702
4703         * include/std/any (any_cast): Use __remove_cvref_t.
4704         * include/std/tuple (__make_tuple): Likewise.
4705         * include/std/type_traits (__remove_cvref_t): Define.
4706         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
4707         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
4708         * include/std/variant (__erased_hash): Use __remove_cvref_t.
4709
4710 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
4711
4712         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
4713         ensure overloaded comma not used.
4714         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
4715         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
4716         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
4717         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
4718         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
4719         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
4720         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
4721
4722 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
4723
4724         PR libstdc++/68197
4725         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
4726         indices to unsigned.
4727         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
4728         as failure. Refactor error handling.
4729         * testsuite/27_io/ios_base/storage/68197.cc: New.
4730
4731         PR libstdc++/57997
4732         PR libstdc++/83860
4733         * include/bits/gslice_array.h (gslice_array): Define default
4734         constructor as deleted, as per C++11 standard.
4735         * include/bits/mask_array.h (mask_array): Likewise.
4736         * include/bits/slice_array.h (slice_array): Likewise.
4737         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
4738         to namespace __detail.
4739         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
4740         members.
4741         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
4742         of data members in closure objects.
4743         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
4744         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
4745         __detail.
4746         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
4747         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
4748         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
4749         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
4750         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
4751         using-declarations to namespace std.
4752         * testsuite/26_numerics/valarray/83860.cc: New.
4753
4754         * testsuite/backward/strstream_move.cc: Remove duplicate function
4755         call.
4756
4757         PR libstdc++/69608
4758         * include/backward/strstream (strstreambuf): Define move constructor
4759         and move assignment operator.
4760         (istrstream, ostrstream, strstream): Likewise.
4761         * testsuite/backward/strstream_move.cc: New.
4762
4763 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
4764
4765         PR libstdc++/84654
4766         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
4767         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
4768         * configure: Regenerate.
4769         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
4770         based on ENABLE_FLOAT128.
4771         * include/Makefile.in: Regenerate.
4772         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
4773         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
4774         _GLIBCXX_USE_FLOAT128.
4775
4776 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
4777
4778         * configure: Regenerated.
4779
4780 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
4781
4782         * configure: Regenerated.
4783
4784 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
4785             Jakub Jelinek  <jakub@redhat.com>
4786
4787         PR libstdc++/85442
4788         * src/c++11/Makefile.am: Don't generate debuginfo again for
4789         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
4790         * src/c++11/Makefile.in: Regenerate.
4791
4792 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
4793
4794         PR libstdc++/84442
4795         * testsuite/30_threads/thread/cons/terminate.cc
4796         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
4797
4798 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
4799
4800         PR jit/85384
4801         * configure: Regenerate.
4802
4803 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
4804
4805         * testsuite/experimental/filesystem/file_status/1.cc: Add
4806         -DUSE_FILESYSTEM_TS to dg-options.
4807         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
4808         Likewise.
4809         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
4810         * testsuite/experimental/filesystem/iterators/
4811         recursive_directory_iterator.cc: Likewise.
4812         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
4813         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
4814         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
4815         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
4816         * testsuite/experimental/filesystem/operations/create_directories.cc:
4817         Likewise.
4818         * testsuite/experimental/filesystem/operations/create_directory.cc:
4819         Likewise.
4820         * testsuite/experimental/filesystem/operations/create_symlink.cc:
4821         Likewise.
4822         * testsuite/experimental/filesystem/operations/current_path.cc:
4823         Likewise.
4824         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
4825         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
4826         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
4827         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
4828         * testsuite/experimental/filesystem/operations/last_write_time.cc:
4829         Likewise.
4830         * testsuite/experimental/filesystem/operations/permissions.cc:
4831         Likewise.
4832         * testsuite/experimental/filesystem/operations/read_symlink.cc:
4833         Likewise.
4834         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
4835         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
4836         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
4837         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
4838         Likewise.
4839         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
4840         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
4841         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
4842         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
4843         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
4844         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
4845         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
4846         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
4847         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
4848         * testsuite/experimental/filesystem/path/construct/default.cc:
4849         Likewise.
4850         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
4851         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
4852         * testsuite/experimental/filesystem/path/construct/string_view.cc:
4853         Likewise.
4854         * testsuite/experimental/filesystem/path/decompose/extension.cc:
4855         Likewise.
4856         * testsuite/experimental/filesystem/path/decompose/filename.cc:
4857         Likewise.
4858         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
4859         Likewise.
4860         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
4861         Likewise.
4862         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
4863         Likewise.
4864         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
4865         Likewise.
4866         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
4867         Likewise.
4868         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
4869         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
4870         Likewise.
4871         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
4872         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
4873         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
4874         Likewise.
4875         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
4876         Likewise.
4877         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
4878         Likewise.
4879         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
4880         Likewise.
4881         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
4882         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
4883         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
4884         Likewise.
4885         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
4886         * testsuite/experimental/filesystem/path/query/has_extension.cc:
4887         Likewise.
4888         * testsuite/experimental/filesystem/path/query/has_filename.cc:
4889         Likewise.
4890         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
4891         Likewise.
4892         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
4893         Likewise.
4894         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
4895         Likewise.
4896         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
4897         Likewise.
4898         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
4899         Likewise.
4900         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
4901         * testsuite/experimental/filesystem/path/query/is_relative.cc:
4902         Likewise.
4903
4904 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
4905
4906         * src/c++11/Makefile.am: Fix sed command.
4907         * src/c++11/Makefile.in: Regenerate.
4908
4909         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
4910         handle mangled names starting with double underscores on darwin.
4911         * src/c++11/Makefile.in: Regenerate.
4912
4913 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
4914
4915         * src/c++11/Makefile.am: Fix comment.
4916         * src/c++11/Makefile.in: Regenerate.
4917         * src/c++11/cxx11-ios_failure.cc: Fix comment.
4918         * src/c++98/ios_failure.cc: Likewise.
4919
4920         * src/c++11/ios.cc: Remove redundant macro definition.
4921
4922 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
4923
4924         * doc/xml/manual/abi.xml: Document header locations in recent
4925         releases.
4926         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
4927         * doc/xml/manual/spine.xml: Update copyright years.
4928         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
4929         undefined behaviour.
4930         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
4931         * doc/html/*: Regenerate.
4932
4933 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
4934
4935         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
4936         * doc/xml/manual/backwards_compatibility.xml: Likewise.
4937         * doc/xml/manual/containers.xml: Likewise.
4938         * doc/xml/manual/debug_mode.xml: Likewise.
4939         * doc/xml/manual/extensions.xml: Likewise.
4940         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
4941         * doc/xml/manual/using.xml: Likewise.
4942         * doc/xml/manual/utilities.xml: Likewise.
4943
4944         PR libstdc++/85222
4945         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
4946         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
4947         * src/c++11/Makefile.in: Regenerate.
4948         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
4949         New types.
4950         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
4951         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
4952         * src/c++98/ios_failure.cc (__construct_ios_failure)
4953         (__destroy_ios_failure, is_ios_failure_handler): New functions.
4954         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
4955         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
4956         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
4957         handler types, to always catch std::ios_base::failure.
4958         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
4959         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
4960         exceptions_failbit.cc: Likewise.
4961         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
4962         exceptions_failbit.cc: Likewise.
4963         * testsuite/27_io/basic_istream/extractors_other/char/
4964         exceptions_null.cc: Likewise.
4965         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
4966         exceptions_null.cc: Likewise.
4967         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
4968         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
4969         * testsuite/27_io/basic_ostream/inserters_other/char/
4970         exceptions_null.cc: Likewise.
4971         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
4972         exceptions_null.cc: Likewise.
4973         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
4974
4975 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
4976
4977         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
4978         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
4979
4980 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
4981
4982         PR libstdc++/85183
4983         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
4984         value categories.
4985         * testsuite/20_util/variant/85183.cc: New.
4986
4987 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
4988
4989         * include/std/variant (__get): Qualify calls to avoid ADL.
4990         (__select_index): Adjust whitespace.
4991         (variant): Add using-declaration to workaround Clang bug.
4992
4993 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
4994
4995         PR libstdc++/85040
4996         * include/bits/stl_function.h (greater::__not_overloaded)
4997         (less::__not_overloaded, greater_equal::__not_overloaded)
4998         (less_equal::__not_overloaded): Fix ambiguous specializations.
4999         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
5000         tests for type with overloaded operators.
5001
5002 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5003
5004         PR libstdc++/77691
5005         * testsuite/experimental/memory_resource/resource_adaptor.cc:
5006         xfail execution on 32-bit Solaris/x86.
5007
5008 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
5009
5010         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
5011         VERIFY instead of assert.
5012         * testsuite/20_util/hash/84998.cc: New test.
5013         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
5014         copy of test adjusted for Debug Mode.
5015         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
5016         test in Debug Mode.
5017
5018 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
5019
5020         PR libstdc++/84998
5021         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
5022         * include/std/bitset: Likewise.
5023         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
5024         declaration.
5025         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
5026         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
5027         * include/bits/stl_set.h (std::set<>): Likewise.
5028         * include/bits/unordered_map.h (std::unordered_map<>): Fix
5029         _Hash_merge_helper friend declaration.
5030         (std::unordered_multimap<>): Likewise.
5031         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
5032         (std::unordered_multiset<>): Likewise.
5033
5034 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
5035
5036         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
5037         trailing slash for domain level link.
5038         * doc/xml/faq.xml: Ditto.
5039         * doc/xml/manual/appendix_free.xml (software): Ditto.
5040         * doc/xml/manual/intro.xml: Ditto.
5041         * doc/xml/manual/spine.xml: Ditto.
5042         * doc/xml/spine.xml: Ditto.
5043
5044 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
5045
5046         * doc/xml/manual/documentation_hacking.xml: Adjust link to
5047         docbook.org.
5048
5049 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
5050
5051         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
5052         to compile as C++98.
5053
5054 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
5055
5056         PR libstdc++/78420
5057         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
5058         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
5059         to ensure total order for pointers.
5060         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
5061         Add operator() overloads for pointer arguments and make generic
5062         overloads dispatch to new _S_cmp functions when comparisons would
5063         use built-in operators for pointers.
5064         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
5065
5066 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
5067
5068         PR libstdc++/84773
5069         PR libstdc++/83662
5070         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
5071         * configure: Regenerate.
5072         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
5073         (aligned_alloc): Add using-declaration.
5074         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
5075
5076 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
5077
5078         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
5079         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
5080         registration.
5081
5082 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
5083
5084         PR libstdc++/84769
5085         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
5086         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
5087
5088         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
5089         src/filesystem/std-ops.cc (create_dir): Likewise.
5090
5091 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
5092
5093         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
5094         (StdListIteratorPrinter): Inherit from latter.
5095         (StdFwdListIteratorPrinter): New, inherit from latter.
5096         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
5097         when iterator has no associated container.
5098         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
5099         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
5100         registrations.
5101         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
5102         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
5103
5104 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
5105
5106         PR libstdc++/84601
5107         * include/std/optional (_Optional_payload): Split into multiple
5108         specializations that can handle different cases of trivial or
5109         non-trivial assignment operators.
5110         * testsuite/20_util/optional/84601.cc: New.
5111         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
5112
5113 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
5114
5115         PR libstdc++/84671
5116         * include/bits/parse_numbers.h (_Number_help): Add partial
5117         specialization to handle digit separators. Adjust partial
5118         specialization for recursion temrination to require _Pow == 1ULL.
5119         * testsuite/20_util/duration/literals/84671.cc: New
5120
5121 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
5122
5123         Implement the missing bits of LWG 2769
5124         * include/std/any (any_cast(const any&)): Add static_assert.
5125         (any_cast(any&)): Likewise.
5126         (any_cast(any&&)): Likewise, and remove the handling
5127         for copyable-but-not-movable type.
5128         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
5129         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
5130         add new tests.
5131
5132 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
5133
5134         PR libstdc++/84532
5135         * include/std/thread (thread::__make_invoker): Construct tuple
5136         directly instead of using make_tuple.
5137         * testsuite/30_threads/async/84532.cc: New.
5138         * testsuite/30_threads/thread/84532.cc: New.
5139
5140 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
5141
5142         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
5143         (template<> __aligned_buffer): Define as __aligned_membuf alias.
5144
5145 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
5146
5147         PR target/84148
5148         * configure: Regenerate.
5149
5150 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
5151
5152         PR libstdc++/81797
5153         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
5154         * configure: Regenerate.
5155         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
5156         defined.
5157         * include/Makefile.in: Regenerate.
5158
5159 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
5160
5161         PR libstdc++/83833
5162         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
5163         Add -ffloat-store to options for m68k and ia32.
5164
5165         * doc/xml/faq.xml: Update copyright years.
5166         * doc/html/*: Regenerate.
5167
5168         PR libstdc++/83658
5169         * include/std/any (any::__do_emplace): Only set _M_manager after
5170         constructing the contained object.
5171         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
5172         * testsuite/20_util/any/modifiers/83658.cc: New test.
5173
5174 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
5175
5176         PR libstdc++/81076
5177         * include/c_global/cstddef (__byte_operand): Define primary template.
5178         * testsuite/18_support/byte/81076.cc: New test.
5179
5180 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
5181
5182         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
5183         dg-options and dg-add-options order.
5184         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
5185         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
5186         Likewise.
5187         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
5188         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
5189         Likewise.
5190         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
5191         Likewise.
5192         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
5193         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
5194         Likewise.
5195         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
5196         Likewise.
5197         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
5198         Likewise.
5199         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
5200         Likewise.
5201         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
5202         Likewise.
5203         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
5204         Likewise.
5205         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
5206         Likewise.
5207         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
5208         Likewise.
5209         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
5210         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
5211         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
5212         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
5213         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
5214         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
5215         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
5216         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
5217         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
5218         Likewise.
5219         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
5220         Likewise.
5221         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
5222         Likewise.
5223         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
5224         Likewise.
5225
5226 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
5227
5228         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
5229         include linux/types.h when checking linux/random.h header.
5230         * config.h.in: Regenerate.
5231         * configure: Ditto.
5232         * src/c++11/random.cc: Conditionally include linux/types.h.
5233
5234 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
5235
5236         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
5237
5238 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
5239
5240         PR libstdc++/83834
5241         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
5242         pattern with exact match for std::cerr.
5243
5244 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
5245
5246         PR libstdc++/83833
5247         * include/bits/random.h (chi_squared_distribution::param): Update
5248         gamma distribution parameter.
5249         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
5250         test.
5251
5252         PR libstdc++/83830
5253         * include/std/type_traits (has_unique_object_representations_v): Add
5254         variable template.
5255         * testsuite/20_util/has_unique_object_representations/value.cc: Check
5256         variable template.
5257
5258 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
5259
5260         Make optional conditionally
5261         trivially_{copy,move}_{constructible,assignable}
5262         * include/std/optional (_Optional_payload): Fix the comment in
5263         the class head and turn into a primary and one specialization.
5264         (_Optional_payload::_M_engaged): Strike the NSDMI.
5265         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
5266         New.
5267         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
5268         Likewise.
5269         (_Optional_payload<_Tp, false>::_M_get): Likewise.
5270         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
5271         (_Optional_base_impl): Likewise.
5272         (_Optional_base): Turn into a primary and three specializations.
5273         (optional(nullopt)): Change the base init.
5274         * testsuite/20_util/optional/assignment/8.cc: New.
5275         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
5276         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
5277
5278 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
5279
5280         PR libstdc++/80276
5281         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
5282         (get_template_arg_list): New.
5283         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
5284         instead.
5285         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
5286         of strings and regular expressions.
5287         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
5288         (FilteringTypePrinter): Add docstring. Match using startswith. Use
5289         strip_inline_namespaces instead of strip_versioned_namespace.
5290         (add_one_type_printer): Prepend namespace to match argument.
5291         (register_type_printers): Add type printers for char16_t and char32_t
5292         string types and for types using cxx11 ABI. Update calls to
5293         add_one_template_type_printer to provide default argument dicts.
5294         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
5295         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
5296         basic_string<unsigned char> and basic_string<signed char>.
5297         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
5298         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
5299
5300 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
5301
5302         PR libstdc++/81092
5303         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
5304
5305 2018-01-13  Tim Shen  <timshen@google.com>
5306
5307         PR libstdc++/83601
5308         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
5309         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
5310         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
5311
5312 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5313
5314         PR libstdc++/64054
5315         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
5316         Remove dg-xfail-run-if.
5317
5318 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
5319
5320         * include/bits/forward_list.h
5321         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
5322         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
5323         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
5324         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
5325         (_Fwd_list_impl()): Add noexcept qualification.
5326         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
5327         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
5328         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
5329         (_Fwd_list_base()): Default.
5330         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
5331         (_Fwd_list_base(_Fwd_list_base&&)): Default.
5332         (forward_list<>()): Default.
5333         (forward_list<>(forward_list&&)): Default.
5334         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
5335         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
5336         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
5337         * include/bits/forward_list.tcc
5338         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
5339         _M_impl._M_head move assignment.
5340         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
5341         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
5342
5343 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
5344
5345         PR libstdc++/80276
5346         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
5347         (UniquePointerPrinter): Print correct template argument, not type of
5348         the pointer.
5349         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
5350         a type.
5351         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
5352         array type.
5353         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
5354         weak_ptr of array types.
5355
5356 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
5357
5358         PR libstdc++/83709
5359         * include/bits/hashtable_policy.h
5360         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
5361         __first != __last.
5362         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
5363         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
5364         Add false_type parameter.
5365         (_Insert_base::insert): Adapt.
5366         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
5367         Adapt.
5368         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
5369          Add __n_elt parameter, defaulted to 1.
5370         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
5371         policy _M_need_rehash.
5372         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
5373         produce only 1 rehash if necessary.
5374         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
5375         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
5376
5377 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
5378             Jonathan Wakely  <jwakely@redhat.com>
5379
5380         PR libstdc++/59253 (partial)
5381         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
5382         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
5383         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
5384         children.
5385         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
5386         of unique_ptr printer.
5387         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
5388         output of shared_ptr printer.
5389
5390 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
5391
5392         PR libstdc++/83626
5393         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
5394         unnecessary symlink_status call.
5395         (remove_all(const path&, error_code&)): Use filesystem::remove.
5396         * src/filesystem/std-ops.cc: Likewise.
5397
5398         PR libstdc++/83279
5399         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
5400         sendfile.
5401
5402         PR libstdc++/83626
5403         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
5404         report an error for ENOENT.
5405         (remove_all(const path&)): Fix type of result variable.
5406         (remove_all(const path&, error_code&)): Use non-throwing increment
5407         for directory iterator. Call POSIX remove directly to avoid redundant
5408         calls to symlink_status. Do not report errors for ENOENT.
5409         * src/filesystem/std-ops.cc: Likewise.
5410         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
5411         overload.
5412         * testsuite/experimental/filesystem/operations/remove_all.cc:
5413         Likewise.
5414
5415 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
5416
5417         PR libstdc++/83626
5418         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
5419         redundant call to ec.clear().
5420         (remove_all(const path&, error_code&))): Do not return an error for
5421         non-existent paths.
5422         * src/filesystem/std-ops.cc: Likewise.
5423         * testsuite/27_io/filesystem/operations/remove.cc: New test.
5424         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
5425         results for non-existent paths.
5426         * testsuite/experimental/filesystem/operations/remove.cc: New test.
5427         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
5428         expected results for non-existent paths.
5429
5430         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
5431         check status_known once.
5432         * include/experimental/bits/fs_ops.h: Likewise.
5433
5434         PR libstdc++/83607
5435         * include/std/functional (__is_byte_like): New trait.
5436         (__is_std_equal_to): Remove.
5437         (__boyer_moore_base_t): Use __is_byte_like instead of
5438         __is_std_equal_to.
5439         * include/experimental/functional (__is_std_equal_to): Remove.
5440         (__boyer_moore_base_t): Use __is_byte_like instead of
5441         __is_std_equal_to.
5442         * testsuite/20_util/function_objects/83607.cc: New test.
5443
5444 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
5445
5446         Protect optional's deduction guide with the feature macro
5447         * include/std/optional: Use the feature macro.
5448
5449 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
5450
5451         Update copyright years.
5452 \f
5453 Copyright (C) 2018 Free Software Foundation, Inc.
5454
5455 Copying and distribution of this file, with or without modification,
5456 are permitted in any medium without royalty provided the copyright
5457 notice and this notice are preserved.