libstdc++-v3/ChangeLog

   1 2018-11-13  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         * src/c++17/memory_resource.cc (munge_options): Round up value of
   4         largest_required_pool_block to multiple of smallest pool size. Round
   5         excessively large values down to largest pool size.
   6         (select_num_pools): Increase number of pools by one unless it exactly
   7         matches requested largest_required_pool_block.
   8         (__pool_resource::_M_alloc_pools()): Make largest pool size equal
   9         largest_required_pool_block.
  10         * testsuite/20_util/unsynchronized_pool_resource/options.cc: Check
  11         that pool_options::largest_required_pool_block is set appropriately.
  12
  13         * src/c++17/memory_resource.cc (big_block): Improve comments.
  14         (big_block::all_ones): Remove.
  15         (big_block::big_block(size_t, size_t)): Use alloc_size.
  16         (big_block::size()): Add comment, replace all_ones with equivalent
  17         expression.
  18         (big_block::align()): Shift value of correct type.
  19         (big_block::alloc_size(size_t)): New function to round up size.
  20         (__pool_resource::allocate(size_t, size_t)): Add comment.
  21         (__pool_resource::deallocate(void*, size_t, size_t)): Likewise. Fix
  22         incorrect assertion by using big_block::alloc_size(size_t).
  23         * testsuite/20_util/unsynchronized_pool_resource/allocate.cc: Add
  24         more tests for unpooled allocations.
  25
  26         * src/c++17/memory_resource.cc (bitset::full()): Handle edge case
  27         for _M_next_word maximum value.
  28         (bitset::get_first_unset(), bitset::set(size_type)): Use
  29         update_next_word() to update _M_next_word.
  30         (bitset::update_next_word()): New function, avoiding wraparound of
  31         unsigned _M_next_word member.
  32         (bitset::max_word_index()): New function.
  33         (chunk::chunk(void*, uint32_t, void*, size_t)): Add assertion.
  34         (chunk::max_bytes_per_chunk()): New function.
  35         (pool::replenish(memory_resource*, const pool_options&)): Prevent
  36         _M_blocks_per_chunk from exceeding max_blocks_per_chunk or from
  37         causing chunk::max_bytes_per_chunk() to be exceeded.
  38         * testsuite/20_util/unsynchronized_pool_resource/allocate-max-chunks.cc:
  39         New test.
  40
  41 2018-11-12  Jason Merrill  <jason@redhat.com>
  42
  43         * libsupc++/new (std::destroying_delete_t): New.
  44
  45 2018-11-12  Jonathan Wakely  <jwakely@redhat.com>
  46
  47         PR libstdc++/87963
  48         * src/c++17/memory_resource.cc (chunk::_M_bytes): Change type from
  49         unsigned to uint32_t.
  50         (chunk): Fix static assertion for 64-bit targets that aren't LP64.
  51         (bigblock::all_ones): Fix undefined shift.
  52
  53 2018-11-11  Hans-Peter Nilsson  <hp@axis.com>
  54
  55         PR libstdc++-v3/54005
  56         * include/bits/atomic_base.h (__atomic_base<_TTp>::is_lock_free(),
  57         __atomic_base<_PTp*>::is_lock_free()): Call __atomic_is_lock_free
  58         with the type-derived _S_alignment instead of __alignof the object.
  59         * include/std/atomic (atomic<T>::is_lock_free()): Likewise.
  60
  61 2018-11-11  Jonathan Wakely  <jwakely@redhat.com>
  62
  63         Implement P0318R1 unwrap_ref_decay and unwrap_reference
  64         * include/std/type_traits (unwrap_reference, unwrap_reference_t)
  65         (unwrap_ref_decay, unwrap_ref_decay_t): New traits and aliases.
  66         * testsuite/20_util/unwrap_reference/1.cc: New test.
  67         * testsuite/20_util/unwrap_reference/2.cc: New test.
  68
  69         Implement P1007R3 std::assume_aligned
  70         * include/std/memory (assume_aligned): Implement for C++17.
  71         * testsuite/20_util/assume_aligned/1.cc: New test.
  72         * testsuite/20_util/assume_aligned/2_neg.cc: New test.
  73         * testsuite/20_util/assume_aligned/3.cc: New test.
  74
  75 2018-11-09  Jonathan Wakely  <jwakely@redhat.com>
  76
  77         PR libstdc++/87787
  78         * include/bits/stl_uninitialized.h (__relocate_a_1): Do not call
  79         memmove when there's nothing to copy (and pointers could be null).
  80
  81 2018-11-07  Hafiz Abid Qadeer  <abidh@codesourcery.com>
  82
  83         * configure: Regenerated.
  84
  85 2018-11-07  Jonathan Wakely  <jwakely@redhat.com>
  86
  87         * config/abi/pre/gnu.ver: Fix patterns for size_t parameters.
  88
  89 2018-11-06  Jonathan Wakely  <jwakely@redhat.com>
  90
  91         Implement std::pmr::unsynchronized_pool_resource
  92         * config/abi/pre/gnu.ver: Add new symbols.
  93         * include/std/memory_resource (std::pmr::__pool_resource): New class.
  94         (std::pmr::unsynchronized_pool_resource): New class.
  95         * src/c++17/Makefile.am: Add -fimplicit-templates to flags for
  96         memory_resource.cc
  97         * src/c++17/Makefile.in: Regenerate.
  98         * src/c++17/memory_resource.cc (bitset, chunk, big_block): New
  99         internal classes.
 100         (__pool_resource::_Pool): Define new class.
 101         (munge_options, pool_index, select_num_pools): New internal functions.
 102         (__pool_resource::__pool_resource, __pool_resource::~__pool_resource)
 103         (__pool_resource::allocate, __pool_resource::deallocate)
 104         (__pool_resource::_M_alloc_pools): Define member functions.
 105         (unsynchronized_pool_resource::unsynchronized_pool_resource)
 106         (unsynchronized_pool_resource::~unsynchronized_pool_resource)
 107         (unsynchronized_pool_resource::release)
 108         (unsynchronized_pool_resource::_M_find_pool)
 109         (unsynchronized_pool_resource::do_allocate)
 110         (unsynchronized_pool_resource::do_deallocate): Define member
 111         functions.
 112         * testsuite/20_util/unsynchronized_pool_resource/allocate.cc: New
 113         test.
 114         * testsuite/20_util/unsynchronized_pool_resource/is_equal.cc: New
 115         test.
 116         * testsuite/20_util/unsynchronized_pool_resource/options.cc: New
 117         test.
 118         * testsuite/20_util/unsynchronized_pool_resource/release.cc: New
 119         test.
 120
 121 2018-11-06  John Bytheway  <jbytheway@gmail.com>
 122
 123         PR libstdc++/87872
 124         * include/debug/safe_sequence.tcc
 125         (_Safe_sequence<>::_M_transfer_from_if): Skip transfer to self.
 126
 127 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
 128
 129         PR bootstrap/82856
 130         * Makefile.am: Include multilib.am.
 131         * configure.ac: Remove AC_PREREQ.
 132         * Makefile.in, aclocal.m4, configure, doc/Makefile.in,
 133         include/Makefile.in, libsupc++/Makefile.in, po/Makefile.in,
 134         python/Makefile.in, src/Makefile.in, src/c++11/Makefile.in,
 135         src/c++17/Makefile.in, src/c++98/Makefile.in,
 136         src/filesystem/Makefile.in, testsuite/Makefile.in: Regenerate.
 137
 138 2018-10-31  Jonathan Wakely  <jwakely@redhat.com>
 139
 140         * testsuite/20_util/pair/87822.cc: Test deeper nesting.
 141
 142         PR libstdc++/87822
 143         * include/bits/stl_pair.h (__pair_base): Change to class template.
 144         (pair): Make base class type depend on template parameters.
 145         * testsuite/20_util/pair/87822.cc: New test.
 146
 147 2018-10-30  Marek Polacek  <polacek@redhat.com>
 148
 149         Implement P0892R2, explicit(bool).
 150         * testsuite/20_util/any/cons/explicit.cc: Adjust dg-error.
 151         * testsuite/20_util/pair/cons/explicit_construct.cc: Likewise.
 152         * testsuite/20_util/tuple/cons/explicit_construct.cc: Likewise.
 153
 154 2018-10-30  Jonathan Wakely  <jwakely@redhat.com>
 155
 156         PR libstdc++/87809
 157         * include/bits/forward_list.h (_Fwd_list_impl::_Fwd_list_impl()): Use
 158         trait in exception-specification instead of possibly invalid
 159         expression.
 160         * include/bits/stl_bvector.h (_Bvector_impl::_Bvector_impl()):
 161         Likewise.
 162         * include/bits/stl_list.h (_List_impl::_List_impl()): Likewise.
 163         * include/bits/stl_vector.h (_Vector_impl::_Vector_impl()): Likewise.
 164         * testsuite/23_containers/forward_list/cons/87809.cc: New test.
 165         * testsuite/23_containers/list/cons/87809.cc: New test.
 166         * testsuite/23_containers/vector/bool/cons/87809.cc: New test.
 167         * testsuite/23_containers/vector/cons/87809.cc: New test.
 168
 169         PR libstdc++/87784
 170         * include/tr2/dynamic_bitset (dynamic_bitset::push_back): When there
 171         are no unused bits in the last block, append a new block with the
 172         right value so the bit doesn't need to be set. Only increment size
 173         after setting the new bit, not before.
 174         * testsuite/tr2/dynamic_bitset/pr87784.cc: New test.
 175
 176 2018-10-29  David Malcolm  <dmalcolm@redhat.com>
 177
 178         * testsuite/17_intro/using_namespace_std_exp_neg.cc: Remove
 179         "expected namespace-name before" error.
 180         * testsuite/17_intro/using_namespace_std_tr1_neg.cc: Likewise.
 181
 182 2018-10-28  François Dumont  <fdumont@gcc.gnu.org>
 183
 184         * testsuite/23_containers/deque/48101_neg.cc: Remove dg-prune-output
 185         'std' from regex pattern for versioned namespace compatibility.
 186         * testsuite/23_containers/vector/48101_neg.cc: Likewise.
 187         * testsuite/27_io/filesystem/path/io/dr2989.cc: Likewise.
 188
 189 2018-10-25  Jonathan Wakely  <jwakely@redhat.com>
 190
 191         PR libstdc++/87749
 192         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 193         (basic_string::operator=(basic_string&&)): For short strings copy the
 194         buffer inline. Only fall back to using assign(const basic_string&) to
 195         do a deep copy when reallocation is needed.
 196         * testsuite/21_strings/basic_string/modifiers/assign/char/87749.cc:
 197         New test.
 198         * testsuite/21_strings/basic_string/modifiers/assign/char/
 199         move_assign_optim.cc: New test.
 200         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/87749.cc:
 201         New test.
 202         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
 203         move_assign_optim.cc: New test.
 204
 205 2018-10-25  Marc Glisse  <marc.glisse@inria.fr>
 206
 207         PR libstdc++/87106
 208         * include/bits/alloc_traits.h (_S_construct, _S_destroy, construct,
 209         destroy): Add noexcept specification.
 210         * include/bits/allocator.h (construct, destroy): Likewise.
 211         * include/ext/alloc_traits.h (construct, destroy): Likewise.
 212         * include/ext/malloc_allocator.h (construct, destroy): Likewise.
 213         * include/ext/new_allocator.h (construct, destroy): Likewise.
 214         * include/bits/stl_uninitialized.h (__relocate_object_a, __relocate_a,
 215         __relocate_a_1): New functions.
 216         (__is_trivially_relocatable): New class.
 217         * include/bits/stl_vector.h (__use_relocate): New static member.
 218         * include/bits/vector.tcc (reserve, _M_realloc_insert,
 219         _M_default_append): Use __relocate_a.
 220         (reserve, _M_assign_aux, _M_realloc_insert, _M_fill_insert,
 221         _M_default_append, _M_range_insert): Move _GLIBCXX_ASAN_ANNOTATE_REINIT
 222         after _Destroy.
 223         * testsuite/23_containers/vector/modifiers/push_back/49836.cc:
 224         Replace CopyConsOnlyType with DelAnyAssign.
 225
 226 2018-10-24  François Dumont  <fdumont@gcc.gnu.org>
 227
 228         * include/debug/safe_unordered_container.h
 229         (_Safe_unordered_container<>::_M_invalidate_locals): Take lambda
 230         parameter type from local end variable.
 231         (_Safe_unordered_container<>::_M_invalidate_all): Likewise.
 232         * include/debug/unordered_map
 233         (unordered_map<>::begin()): Use C++11 direct initialization.
 234         (unordered_map<>::end()): Likewise.
 235         (unordered_map<>::cbegin()): Likewise.
 236         (unordered_map<>::cend()): Likewise.
 237         (unordered_map<>::begin(size_type)): Likewise.
 238         (unordered_map<>::end(size_type)): Likewise.
 239         (unordered_map<>::cbegin(size_type)): Likewise.
 240         (unordered_map<>::cend(size_type)): Likewise.
 241         (unordered_map<>::emplace<>(_Args&&...)): Likewise.
 242         (unordered_map<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 243         (unordered_map<>::insert(const value_type&)): Likewise.
 244         (unordered_map<>::insert(value_type&&)): Likewise.
 245         (unordered_map<>::insert<>(_Pair&&)): Likewise.
 246         (unordered_map<>::insert(const_iterator, const value_type&)): Likewise.
 247         (unordered_map<>::insert(const_iterator, value_type&&)): Likewise.
 248         (unordered_map<>::insert<>(const_iterator, _Pair&&)): Likewise.
 249         (unordered_map<>::try_emplace<>(const key_type&, _Args&&...)): Likewise.
 250         (unordered_map<>::try_emplace<>(key_type&&, _Args&&...)): Likewise.
 251         (unordered_map<>::try_emplace<>(const_iterator, const key_type&,
 252         _Args&&...)): Likewise.
 253         (unordered_map<>::try_emplace<>(const_iterator, key_type&&,
 254         _Args&&...)): Likewise.
 255         (unordered_map<>::insert_or_assign<>(const key_type&, _Obj&&)): Likewise.
 256         (unordered_map<>::insert_or_assign<>(key_type&&, _Obj&&)): Likewise.
 257         (unordered_map<>::insert_or_assign<>(const_iterator, const key_type&,
 258         _Obj&&)): Likewise.
 259         (unordered_map<>::insert_or_assign<>(const_iterator, key_type&&,
 260         _Obj&&)): Likewise.
 261         (unordered_map<>::insert(note_type&&)): Likewise.
 262         (unordered_map<>::find(const key_type&)): Likewise.
 263         (unordered_map<>::equal_range(const key_type&)): Likewise.
 264         (unordered_map<>::_M_extract): New.
 265         (unordered_map<>::extract(const_iterator)): Use latter.
 266         (unordered_map<>::extract(const key_type&)): Likewise.
 267         (unordered_map<>::_M_erase): New.
 268         (unordered_map<>::erase(const key_type&)): Use latter.
 269         (unordered_map<>::erase(const_iterator)): Likewise.
 270         (unordered_map<>::erase(iterator)): Likewise.
 271         (unordered_map<>::_M_invalidate): New.
 272         (unordered_map<>::erase(const_iterator, const_iterator)): Use latter.
 273         (unordered_multimap<>::begin()): Use C++11 direct initialization.
 274         (unordered_multimap<>::end()): Likewise.
 275         (unordered_multimap<>::cbegin()): Likewise.
 276         (unordered_multimap<>::cend()): Likewise.
 277         (unordered_multimap<>::begin(size_type)): Likewise.
 278         (unordered_multimap<>::end(size_type)): Likewise.
 279         (unordered_multimap<>::cbegin(size_type)): Likewise.
 280         (unordered_multimap<>::cend(size_type)): Likewise.
 281         (unordered_multimap<>::emplace<>(_Args&&...)): Likewise.
 282         (unordered_multimap<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 283         (unordered_multimap<>::insert(const value_type&)): Likewise.
 284         (unordered_multimap<>::insert(const_iterator, const value_type&)): Likewise.
 285         (unordered_multimap<>::insert(const_iterator, value_type&&)): Likewise.
 286         (unordered_multimap<>::insert<>(_Pair&&)): Likewise.
 287         (unordered_multimap<>::insert<>(const_iterator, _Pair&&)): Likewise.
 288         (unordered_multimap<>::insert(note_type&&)): Likewise.
 289         (unordered_multimap<>::insert(const_iterator, note_type&&)): Likewise.
 290         (unordered_multimap<>::find(const key_type&)): Likewise.
 291         (unordered_multimap<>::equal_range(const key_type&)): Likewise.
 292         (unordered_multimap<>::_M_extract): New.
 293         (unordered_multimap<>::extract(const_iterator)): Use latter.
 294         (unordered_multimap<>::extract(const key_type&)): Likewise.
 295         (unordered_multimap<>::_M_erase): New.
 296         (unordered_multimap<>::erase(const_iterator)): Likewise.
 297         (unordered_multimap<>::erase(iterator)): Likewise.
 298         (unordered_multimap<>::_M_invalidate): New.
 299         (unordered_multimap<>::erase(const key_type&)): Use latter.
 300         (unordered_multimap<>::erase(const_iterator, const_iterator)): Likewise.
 301         * include/debug/unordered_set
 302         (unordered_set<>::begin()): Use C++11 direct initialization.
 303         (unordered_set<>::end()): Likewise.
 304         (unordered_set<>::cbegin()): Likewise.
 305         (unordered_set<>::cend()): Likewise.
 306         (unordered_set<>::begin(size_type)): Likewise.
 307         (unordered_set<>::end(size_type)): Likewise.
 308         (unordered_set<>::cbegin(size_type)): Likewise.
 309         (unordered_set<>::cend(size_type)): Likewise.
 310         (unordered_set<>::emplace<>(_Args&&...)): Likewise.
 311         (unordered_set<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 312         (unordered_set<>::insert(const value_type&)): Likewise.
 313         (unordered_set<>::insert(value_type&&)): Likewise.
 314         (unordered_set<>::insert(const_iterator, const value_type&)): Likewise.
 315         (unordered_set<>::insert(const_iterator, value_type&&)): Likewise.
 316         (unordered_set<>::insert(note_type&&)): Likewise.
 317         (unordered_set<>::insert(const_iterator, note_type&&)): Likewise.
 318         (unordered_set<>::find(const key_type&)): Likewise.
 319         (unordered_set<>::equal_range(const key_type&)): Likewise.
 320         (unordered_set<>::_M_extract): New.
 321         (unordered_set<>::extract(const_iterator)): Use latter.
 322         (unordered_set<>::extract(const key_type&)): Likewise.
 323         (unordered_set<>::_M_erase): New.
 324         (unordered_set<>::erase(const key_type&)): Use latter.
 325         (unordered_set<>::erase(const_iterator)): Likewise.
 326         (unordered_set<>::erase(iterator)): Likewise.
 327         (unordered_set<>::_M_invalidate): New.
 328         (unordered_set<>::erase(const_iterator, const_iterator)): Use latter.
 329         (unordered_multiset<>::begin()): Use C++11 direct initialization.
 330         (unordered_multiset<>::end()): Likewise.
 331         (unordered_multiset<>::cbegin()): Likewise.
 332         (unordered_multiset<>::cend()): Likewise.
 333         (unordered_multiset<>::begin(size_type)): Likewise.
 334         (unordered_multiset<>::end(size_type)): Likewise.
 335         (unordered_multiset<>::cbegin(size_type)): Likewise.
 336         (unordered_multiset<>::cend(size_type)): Likewise.
 337         (unordered_multiset<>::emplace<>(_Args&&...)): Likewise.
 338         (unordered_multiset<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 339         (unordered_multiset<>::insert(const value_type&)): Likewise.
 340         (unordered_multiset<>::insert(const_iterator, const value_type&)): Likewise.
 341         (unordered_multiset<>::insert(value_type&&)): Likewise.
 342         (unordered_multiset<>::insert(const_iterator, value_type&&)): Likewise.
 343         (unordered_multiset<>::insert(node_type&&)): Likewise.
 344         (unordered_multiset<>::insert(const_iterator, node_type&&)): Likewise.
 345         (unordered_multiset<>::find(const key_type&)): Likewise.
 346         (unordered_multiset<>::equal_range(const key_type&)): Likewise.
 347         (unordered_multiset<>::_M_extract): New.
 348         (unordered_multiset<>::extract(const_iterator)): Use latter.
 349         (unordered_multiset<>::extract(const key_type&)): Likewise.
 350         (unordered_multiset<>::_M_erase): New.
 351         (unordered_multiset<>::erase(const_iterator)): Likewise.
 352         (unordered_multiset<>::erase(iterator)): Likewise.
 353         (unordered_multiset<>::_M_invalidate): New.
 354         (unordered_multiset<>::erase(const key_type&)): Use latter.
 355         (unordered_multiset<>::erase(const_iterator, const_iterator)): Likewise.
 356
 357         * include/c_global/cstddef: Add versioned namespace.
 358
 359 2018-10-23  Jonathan Wakely  <jwakely@redhat.com>
 360
 361         PR libstdc++/87704
 362         * include/bits/unique_ptr.h (unique_ptr::unique_ptr(nullptr_t)): Do
 363         not delegate to default constructor.
 364         (unique_ptr<T[], D>::unique_ptr(nullptr_t)): Likewise.
 365         * testsuite/20_util/unique_ptr/cons/incomplete.cc: New test.
 366
 367 2018-10-20  François Dumont  <fdumont@gcc.gnu.org>
 368
 369         * testsuite/util/testsuite_containers.h
 370         (forward_members_unordered<>::forward_members_unordered
 371         (const value_type&)): Add local_iterator pre and post increment checks.
 372         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 new symbol.
 373
 374 2018-10-19  Jonathan Wakely  <jwakely@redhat.com>
 375
 376         * testsuite/23_containers/array/requirements/explicit_instantiation/
 377         3.cc: Skip test when compiled with a -std=c++NN strict mode.
 378         * testsuite/23_containers/deque/requirements/explicit_instantiation/
 379         3.cc: Likewise.
 380         * testsuite/23_containers/forward_list/requirements/
 381         explicit_instantiation/3.cc: Likewise.
 382         * testsuite/23_containers/list/requirements/explicit_instantiation/
 383         3.cc: Likewise.
 384         * testsuite/23_containers/map/requirements/explicit_instantiation/
 385         3.cc: Likewise.
 386         * testsuite/23_containers/multimap/requirements/explicit_instantiation/
 387         3.cc: Likewise.
 388         * testsuite/23_containers/multiset/requirements/explicit_instantiation/
 389         3.cc: Likewise.
 390         * testsuite/23_containers/set/requirements/explicit_instantiation/
 391         3.cc: Likewise.
 392         * testsuite/23_containers/unordered_map/requirements/
 393         explicit_instantiation/3.cc: Likewise.
 394         * testsuite/23_containers/unordered_multimap/requirements/
 395         explicit_instantiation/3.cc: Likewise.
 396         * testsuite/23_containers/unordered_multiset/requirements/
 397         explicit_instantiation/3.cc: Likewise.
 398         * testsuite/23_containers/unordered_set/requirements/
 399         explicit_instantiation/3.cc: Likewise.
 400         * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
 401         3.cc: Likewise.
 402         * testsuite/23_containers/vector/requirements/explicit_instantiation/
 403         3.cc: Likewise.
 404
 405         * testsuite/23_containers/deque/48101_neg.cc: Prune additional errors
 406         printed when __STRICT_ANSI__ is defined.
 407         * testsuite/23_containers/forward_list/48101_neg.cc: Likewise.
 408         * testsuite/23_containers/list/48101_neg.cc: Likewise.
 409         * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
 410         * testsuite/23_containers/set/48101_neg.cc: Likewise.
 411         * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
 412         * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
 413         * testsuite/23_containers/vector/48101_neg.cc: Likewise.
 414
 415         * testsuite/23_containers/forward_list/requirements/
 416         explicit_instantiation/5.cc [__STRICT_ANSI__]: Don't test non-standard
 417         extension.
 418         * testsuite/23_containers/list/requirements/explicit_instantiation/
 419         5.cc [__STRICT_ANSI__]: Likewise.
 420         * testsuite/23_containers/map/requirements/explicit_instantiation/5.cc
 421         [__STRICT_ANSI__]: Likewise.
 422         * testsuite/23_containers/multimap/requirements/explicit_instantiation/
 423         5.cc [__STRICT_ANSI__]: Likewise.
 424         * testsuite/23_containers/multiset/requirements/explicit_instantiation/
 425         5.cc [__STRICT_ANSI__]: Likewise.
 426         * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc
 427         [__STRICT_ANSI__]: Likewise.
 428         * testsuite/23_containers/unordered_map/requirements/debug_container.cc
 429         [__STRICT_ANSI__]: Likewise.
 430         * testsuite/23_containers/unordered_map/requirements/
 431         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 432         * testsuite/23_containers/unordered_multimap/requirements/
 433         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 434         * testsuite/23_containers/unordered_multiset/requirements/
 435         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 436         * testsuite/23_containers/unordered_set/requirements/
 437         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 438
 439         * testsuite/20_util/scoped_allocator/1.cc: Use allocator with correct
 440         value type for the container.
 441         * testsuite/23_containers/forward_list/cons/14.cc: Likewise.
 442         * testsuite/23_containers/map/56613.cc: Likewise.
 443         * testsuite/23_containers/unordered_map/55043.cc: Likewise.
 444         * testsuite/23_containers/unordered_map/allocator/copy.cc: Likewise.
 445         * testsuite/23_containers/unordered_map/allocator/copy_assign.cc:
 446         Likewise.
 447         * testsuite/23_containers/unordered_map/allocator/minimal.cc:
 448         Likewise.
 449         * testsuite/23_containers/unordered_map/allocator/move.cc: Likewise.
 450         * testsuite/23_containers/unordered_map/allocator/move_assign.cc:
 451         Likewise.
 452         * testsuite/23_containers/unordered_map/allocator/noexcept.cc:
 453         Likewise.
 454         * testsuite/23_containers/unordered_map/cons/81891.cc: Likewise.
 455         * testsuite/23_containers/unordered_map/requirements/exception/
 456         basic.cc: Likewise.
 457         * testsuite/23_containers/unordered_map/requirements/exception/
 458         generation_prohibited.cc: Likewise.
 459         * testsuite/23_containers/unordered_map/requirements/exception/
 460         propagation_consistent.cc: Likewise.
 461         * testsuite/23_containers/unordered_multimap/55043.cc: Likewise.
 462         * testsuite/23_containers/unordered_multimap/allocator/copy.cc:
 463         Likewise.
 464         * testsuite/23_containers/unordered_multimap/allocator/copy_assign.cc:
 465         Likewise.
 466         * testsuite/23_containers/unordered_multimap/allocator/minimal.cc:
 467         Likewise.
 468         * testsuite/23_containers/unordered_multimap/allocator/move.cc:
 469         Likewise.
 470         * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc:
 471         Likewise.
 472         * testsuite/23_containers/unordered_multimap/allocator/noexcept.cc:
 473         Likewise.
 474         * testsuite/23_containers/unordered_multimap/requirements/exception/
 475         basic.cc: Likewise.
 476         * testsuite/23_containers/unordered_multimap/requirements/exception/
 477         generation_prohibited.cc: Likewise.
 478         * testsuite/23_containers/unordered_multimap/requirements/exception/
 479         propagation_consistent.cc: Likewise.
 480         * testsuite/23_containers/unordered_multimap/requirements/
 481         explicit_instantiation/5.cc: Likewise.
 482         * testsuite/ext/malloc_allocator/sanity.cc: Likewise.
 483
 484         * ext/special_functions/airy_ai/check_nan.cc: Skip test for
 485         non-standard extension when a strict -std=c++NN dialect is used.
 486         * ext/special_functions/airy_ai/check_value.cc: Likewise.
 487         * ext/special_functions/airy_ai/compile.cc: Likewise.
 488         * ext/special_functions/airy_bi/check_nan.cc: Likewise.
 489         * ext/special_functions/airy_bi/check_value.cc: Likewise.
 490         * ext/special_functions/airy_bi/compile.cc: Likewise.
 491         * ext/special_functions/conf_hyperg/check_nan.cc: Likewise.
 492         * ext/special_functions/conf_hyperg/check_value.cc: Likewise.
 493         * ext/special_functions/conf_hyperg/compile.cc: Likewise.
 494         * ext/special_functions/hyperg/check_nan.cc: Likewise.
 495         * ext/special_functions/hyperg/check_value.cc: Likewise.
 496         * ext/special_functions/hyperg/compile.cc: Likewise.
 497
 498         * testsuite/23_containers/list/requirements/explicit_instantiation/
 499         5_c++0x.cc: Remove redundant test that is functionally identical to
 500         the 5.cc test.
 501         * testsuite/23_containers/map/requirements/explicit_instantiation/
 502         5_c++0x.cc: Likewise.
 503         * testsuite/23_containers/multimap/requirements/explicit_instantiation/
 504         5_c++0x.cc: Likewise.
 505         * testsuite/23_containers/multiset/requirements/explicit_instantiation/
 506         5_c++0x.cc: Likewise.
 507         * testsuite/23_containers/set/requirements/explicit_instantiation/
 508         5_c++0x.cc: Likewise.
 509
 510         * include/bits/regex_executor.tcc (_Backref_matcher::_M_apply): Use
 511         _GLIBCXX_STD_A to refer to normal mode algorithms.
 512         * testsuite/28_regex/headers/regex/parallel_mode.cc: New test.
 513         * testsuite/28_regex/headers/regex/std_c++0x_neg.cc: Remove empty
 514         whitespace.
 515
 516         * include/debug/map.h (map::erase(iterator)): Add abi-tag so that
 517         C++11 version mangles differently from incompatible C++98 version.
 518         * include/debug/multimap.h (multimap::erase(iterator)): Likewise.
 519         * include/debug/multiset.h (multiset::erase(iterator))
 520         (multiset::erase(const_iterator, const_iterator)): Likewise.
 521         * include/debug/set.h (set::erase(iterator))
 522         (multiset::erase(const_iterator, const_iterator)): Likewise.
 523
 524 2018-10-18  Jonathan Wakely  <jwakely@redhat.com>
 525
 526         * testsuite/20_util/duration/cons/2.cc: Add -ffloat-store to fix
 527         failure when compiled without optimisation.
 528         * testsuite/ext/profile/mutex_extensions_neg.cc: Prune additional
 529         errors caused by C++17 std::pmr alias templates.
 530
 531         PR libstdc++/87642
 532         * config/locale/gnu/monetary_members.cc
 533         (moneypunct<char, true>::_M_initialize_moneypunct): Use
 534         __narrow_multibyte_chars to convert multibyte thousands separators
 535         to a single char.
 536         * config/locale/gnu/numeric_members.cc
 537         (numpunct<char>::_M_initialize_numpunct): Likewise.
 538         (__narrow_multibyte_chars): New function.
 539
 540         PR libstdc++/87641
 541         * include/bits/valarray_array.h (__valarray_sum): Use first element
 542         to initialize accumulator instead of value-initializing it.
 543         (__valarray_product<_Tp>): Move to ...
 544         * src/c++98/valarray.cc (__valarray_product<_Tp>): Here. Use first
 545         element to initialize accumulator.
 546         (__valarray_product(const valarray<size_t>&)): Remove const_cast made
 547         unnecessary by LWG 389.
 548         * testsuite/26_numerics/valarray/87641.cc: New test.
 549
 550 2018-10-18  François Dumont  <fdumont@gcc.gnu.org>
 551
 552         Partial revert.
 553         2018-10-08  François Dumont  <fdumont@gcc.gnu.org>
 554
 555         * include/debug/list (list<>::cbegin()): Use C++11 direct
 556         initialization.
 557         (list<>::cend()): Likewise.
 558         (list<>::erase(const_iterator, const_iterator)): Ensure consistent
 559         iterator comparisons.
 560         (list<>::splice(const_iterator, list&&, const_iterator,
 561         const_iterator)): Likewise.
 562
 563         Partial revert.
 564         2018-10-15  François Dumont  <fdumont@gcc.gnu.org>
 565
 566         * include/debug/vector (vector<>::cbegin()): Use C++11 direct
 567         initialization.
 568         (vector<>::cend()): Likewise.
 569         (vector<>::insert(const_iterator, const _Tp&)): Use consistent
 570         iterator comparison.
 571         (vector<>::erase(const_iterator)): Likewise.
 572         (vector<>::erase(const_iterator, const_iterator)): Likewise.
 573
 574 2018-10-17  Ville Voutilainen  <ville.voutilainen@gmail.com>
 575
 576         PR libstdc++/87619
 577         * include/std/variant (__select_index): Fix an off-by-one.
 578         * testsuite/20_util/variant/87619.cc: New.
 579
 580 2018-10-16  Jonathan Wakely  <jwakely@redhat.com>
 581
 582         * include/bits/random.h (random_device) [!_GLIBCXX_USE_DEV_RANDOM]:
 583         Fix default constructor to call correct function.
 584
 585         * testsuite/experimental/net/internet/address/v4/creation.cc: Do not
 586         declare ip in global namespace, to avoid collision with struct ip
 587         defined in <netinet/ip.h>.
 588
 589         * include/experimental/bits/net.h: Move versioned namespace macros
 590         to correct location.
 591         * include/experimental/buffer: Likewise.
 592         * include/experimental/executor: Likewise.
 593         * include/experimental/internet: Likewise.
 594         * include/experimental/io_context: Likewise.
 595         * include/experimental/netfwd: Likewise.
 596         * include/experimental/socket: Likewise.
 597         * include/experimental/timer: Likewise.
 598
 599         * config.h.in: Regenerate.
 600         * configure: Regenerate.
 601         * configure.ac: Check for headers used by Networking TS.
 602         * include/experimental/executor: Include <condition_variable>
 603         instead of <mutex>.
 604         * include/experimental/internet: Use autoconf macros for available
 605         headers.  Include <sys/socket.h> for.  Remove <cstring> and use
 606         __builtin_memcpy and __builtin_strchr.
 607         (resolver_errc) [!_GLIBCXX_HAVE_NETDB_H]: Do not define.
 608         (address_v4::to_string, address_v6::to_string)
 609         [!_GLIBCXX_HAVE_ARPA_INET_H]: Likewise.
 610         (basic_resolver_results) [!_GLIBCXX_HAVE_NETDB_H]: Make private
 611         constructors report errors.
 612         [!_GLIBCXX_HAVE_NETINET_TCP_H] (tcp::no_delay): Do not define.
 613         * include/experimental/io_context: Likewise.
 614         * include/experimental/socket: Likewise.
 615         [!_GLIBCXX_HAVE_SYS_SOCKET_H, !_GLIBCXX_HAVE_POLL_H] (socket_base): Do
 616         not define nested types when relevant header not available.
 617         (__socket_impl::native_non_blocking) [!_GLIBCXX_HAVE_FCNTL_H]: Report
 618         an error.
 619         (__basic_socket_impl::open, __basic_socket_impl::local_endpoint)
 620         (__basic_socket_impl::bind) [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
 621         (__basic_socket_impl::io_control) [!_GLIBCXX_HAVE_SYS_IOCTL_H]:
 622         Likewise.
 623         (basic_socket::at_mark, basic_socket::shutdown)
 624         (basic_socket::remote_endpoint, basic_socket::connect)
 625         (basic_socket::async_connect) [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
 626         (basic_socket::available) [_GLIBCXX_HAVE_SYS_IOCTL_H]: Check macro
 627         for <sys/ioctl.h> availability.
 628         (basic_socket::wait) [!_GLIBCXX_HAVE_POLL_H]: Likewise.
 629         (basic_datagram_socket::receive, basic_datagram_socket::async_receive)
 630         (basic_datagram_socket::receive_from)
 631         (basic_datagram_socket::async_receive_from)
 632         (basic_datagram_socket::send, basic_datagram_socket::async_send)
 633         (basic_datagram_socket::send_to, basic_datagram_socket::async_send_to)
 634         [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
 635         (basic_stream_socket::receive, basic_stream_socket::async_receive)
 636         (basic_stream_socket::send, basic_stream_socket::async_send)
 637         [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
 638         (basic_socket_acceptor::listen, basic_socket_acceptor::accept)
 639         (basic_socket_acceptor::async_accept) [!_GLIBCXX_HAVE_SYS_SOCKET_H]:
 640         Likewise.
 641         (basic_socket_acceptor::wait) [!_GLIBCXX_HAVE_POLL_H]: Likewise.
 642
 643         * testsuite/experimental/net/headers.cc: Remove dg-options.
 644         * testsuite/experimental/net/buffer/arithmetic.cc: Replace dg-options
 645         with dg-do using effective target.
 646         * testsuite/experimental/net/buffer/const.cc: Likewise.
 647         * testsuite/experimental/net/buffer/creation.cc: Likewise.
 648         * testsuite/experimental/net/buffer/mutable.cc: Likewise.
 649         * testsuite/experimental/net/buffer/size.cc: Likewise.
 650         * testsuite/experimental/net/buffer/traits.cc: Likewise.
 651         * testsuite/experimental/net/execution_context/use_service.cc:
 652         Likewise.
 653         * testsuite/experimental/net/internet/address/v4/comparisons.cc:
 654         Likewise.
 655         * testsuite/experimental/net/internet/address/v4/cons.cc: Likewise.
 656         * testsuite/experimental/net/internet/address/v4/creation.cc:
 657         Likewise.
 658         * testsuite/experimental/net/internet/address/v4/members.cc: Likewise.
 659         * testsuite/experimental/net/internet/resolver/base.cc: Likewise.
 660         * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
 661         Likewise.
 662         * testsuite/experimental/net/internet/resolver/ops/reverse.cc:
 663         Likewise.
 664         * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
 665         * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
 666         * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
 667
 668         * include/experimental/socket (basic_socket::at_mark): Add missing
 669         return.
 670
 671         * acinclude.m4 (GLIBCXX_CHECK_RANDOM_TR1): Replace with ...
 672         (GLIBCXX_CHECK_DEV_RANDOM): New macro with more descriptive name.
 673         Define _GLIBCXX_USE_DEV_RANDOM as well as _GLIBCXX_USE_RANDOM_TR1.
 674         * config.h.in: Regenerate.
 675         * configure: Regenerate.
 676         * configure.ac: Use GLIBCXX_CHECK_DEV_RANDOM instead of
 677         GLIBCXX_CHECK_RANDOM_TR1.
 678         crossconfig.m4: Likewise.
 679         * include/bits/random.h (random_device): Use _GLIBCXX_USE_DEV_RANDOM
 680         instead of _GLIBCXX_USE_RANDOM_TR1.
 681         * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
 682
 683 2018-10-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 684
 685         * testsuite/lib/dg-options.exp (add_options_for_net_ts): New proc.
 686         * testsuite/experimental/net/internet/address/v4/comparisons.cc:
 687         Add dg-add-options net_ts.
 688         * testsuite/experimental/net/internet/address/v4/cons.cc: Likewise.
 689         * testsuite/experimental/net/internet/address/v4/creation.cc: Likewise.
 690         * testsuite/experimental/net/internet/address/v4/members.cc: Likewise.
 691         * testsuite/experimental/net/internet/resolver/base.cc: Likewise.
 692         * testsuite/experimental/net/internet/resolver/ops/lookup.cc: Likewise.
 693         * testsuite/experimental/net/internet/resolver/ops/reverse.cc: Likewise.
 694
 695 2018-10-16  Jonathan Wakely  <jwakely@redhat.com>
 696
 697         * testsuite/20_util/duration/literals/range_neg.cc: Adjust pruned
 698         diagnostic to account for quotes around 'constexpr'.
 699         * testsuite/23_containers/deque/capacity/max_size.cc: Define static
 700         variable.
 701         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
 702
 703         PR libstdc++/87618
 704         * config/abi/pre/gnu.ver: Fix typos in patterns for basic_stringbuf.
 705         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: Disable
 706         optimisation to check constructor definition can be linked to.
 707         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: Likewise.
 708
 709 2018-10-15  Jonathan Wakely  <jwakely@redhat.com>
 710
 711         * testsuite/22_locale/numpunct/members/char/3.cc: Adjust test to
 712         account for change to glibc it_IT localedata (glibc bz#10797).
 713
 714         PR libstdc++/87587
 715         * src/c++11/cxx11-shim_facets.cc: Suppress -Wabi warnings.
 716
 717 2018-10-15  François Dumont  <fdumont@gcc.gnu.org>
 718
 719         * include/debug/vector (vector<>::cbegin()): Use C++11 direct
 720         initialization.
 721         (vector<>::cend()): Likewise.
 722         (vector<>::emplace(const_iterator, _Args&&...)): Likewise and use
 723         consistent iterator comparison.
 724         (vector<>::insert(const_iterator, size_type, const _Tp&)): Likewise.
 725         (vector<>::insert(const_iterator, _InputIterator, _InputIterator)):
 726         Likewise.
 727         (vector<>::erase(const_iterator)): Likewise.
 728         (vector<>::erase(const_iterator, const_iterator)): Likewise.
 729
 730 2018-10-12  Jonathan Wakely  <jwakely@redhat.com>
 731
 732         Initial commit of Networking TS implementation.
 733         * include/Makefile.am: Add new headers.
 734         * include/Makefile.in: Regenerate.
 735         * include/experimental/bits/net.h: New header for common
 736         implementation details of Networking TS.
 737         * include/experimental/buffer: New header.
 738         * include/experimental/executor: New header.
 739         * include/experimental/internet: New header.
 740         * include/experimental/io_context: New header.
 741         * include/experimental/net: New header.
 742         * include/experimental/netfwd: New header.
 743         * include/experimental/socket: New header.
 744         * include/experimental/timer: New header.
 745         * testsuite/experimental/net/buffer/arithmetic.cc: New test.
 746         * testsuite/experimental/net/buffer/const.cc: New test.
 747         * testsuite/experimental/net/buffer/creation.cc: New test.
 748         * testsuite/experimental/net/buffer/mutable.cc: New test.
 749         * testsuite/experimental/net/buffer/size.cc: New test.
 750         * testsuite/experimental/net/buffer/traits.cc: New test.
 751         * testsuite/experimental/net/execution_context/use_service.cc: New
 752         test.
 753         * testsuite/experimental/net/headers.cc: New test.
 754         * testsuite/experimental/net/internet/address/v4/comparisons.cc: New
 755         test.
 756         * testsuite/experimental/net/internet/address/v4/cons.cc: New test.
 757         * testsuite/experimental/net/internet/address/v4/creation.cc: New
 758         test.
 759         * testsuite/experimental/net/internet/address/v4/members.cc: New
 760         test.
 761         * testsuite/experimental/net/internet/resolver/base.cc: New test.
 762         * testsuite/experimental/net/internet/resolver/ops/lookup.cc: New
 763         test.
 764         * testsuite/experimental/net/internet/resolver/ops/reverse.cc: New
 765         test.
 766         * testsuite/experimental/net/timer/waitable/cons.cc: New test.
 767         * testsuite/experimental/net/timer/waitable/dest.cc: New test.
 768         * testsuite/experimental/net/timer/waitable/ops.cc: New test.
 769
 770         PR libstdc++/77691
 771         * include/experimental/memory_resource (__resource_adaptor_imp): Do
 772         not allocate sizes smaller than alignment when relying on guaranteed
 773         alignment.
 774         * testsuite/experimental/memory_resource/new_delete_resource.cc:
 775         Adjust expected number of bytes allocated for alignof(max_align_t).
 776
 777 2018-10-11  François Dumont  <fdumont@gcc.gnu.org>
 778
 779         * include/debug/forward_list
 780         (forward_list<>::before_begin()): Use C++11 direct initialization.
 781         (forward_list<>::begin()): Likewise.
 782         (forward_list<>::end()): Likewise.
 783         (forward_list<>::cbefore_begin()): Likewise.
 784         (forward_list<>::cbegin()): Likewise.
 785         (forward_list<>::cend()): Likewise.
 786         (forward_list<>::emplace_after<>(const_iterator, _Args&&...)): Likewise.
 787         (forward_list<>::insert_after(const_iterator, const _Tp&)): Likewise.
 788         (forward_list<>::insert_after(const_iterator, _Tp&&)): Likewise.
 789         (forward_list<>::insert_after(const_iterator, size_type, const _Tp&)):
 790         Likewise.
 791         (forward_list<>::insert_after(const_iterator, initializer_list<>)):
 792         Likewise.
 793         (forward_list<>::erase_after(const_iterator)): Likewise.
 794         (forward_list<>::erase_after(const_iterator, const_iterator)): Likewise
 795         and ensure consistent iterator comparison.
 796
 797         * include/bits/forward_list.h
 798         (_Fwd_list_iterator<>::operator==): Replace member function with inline
 799         friend.
 800         (_Fwd_list_iterator<>::operator!=): Likewise.
 801         (_Fwd_list_const_iterator<>::operator==): Likewise.
 802         (_Fwd_list_const_iterator<>::operator!=): Likewise.
 803         (operator==(const _Fwd_list_iterator<>&,
 804         const _Fwd_list_const_iterator<>&)): Remove.
 805         (operator!=(const _Fwd_list_iterator<>&,
 806         const _Fwd_list_const_iterator<>&)): Remove.
 807         (forward_list<>::_Node): Take typedef from base type.
 808         (forward_list<>::iterator): Likewise.
 809         (forward_list<>::const_iterator): Likewise.
 810
 811 2018-10-11  Jonathan Wakely  <jwakely@redhat.com>
 812
 813         PR libstdc++/80538
 814         * src/c++11/thread.cc (this_thread::__sleep_for)
 815         [_GLIBCXX_HAVE_SLEEP]: Only call sleep for non-zero values.
 816         Loop while sleep call is interrupted and until steady_clock
 817         shows requested duration has elapsed.
 818         (!_GLIBCXX_HAVE_USLEEP]: Use the _GLIBCXX_HAVE_SLEEP code path, but
 819         avoiding the usleep call.
 820         * testsuite/30_threads/this_thread/60421.cc: Test repeated
 821         signal interruptions.
 822
 823         * include/bits/allocator.h
 824         (operator==(const allocator<_Tp>&, const allocator<_Tp>))
 825         (operator!=(const allocator<_Tp>&, const allocator<_Tp>)): Replace
 826         with inline friends.
 827         * include/ext/debug_allocator.h (operator==, operator!=): Replace
 828         with inline friend functions that compare to rebound allocators.
 829         * include/ext/malloc_allocator.h (operator==, operator!=): Likewise.
 830         * include/ext/new_allocator.h (operator==, operator!=): Likewise.
 831         * testsuite/ext/debug_allocator/eq.cc: New test.
 832         * testsuite/ext/ext_pointer/alloc_eq.cc: New test.
 833         * testsuite/ext/malloc_allocator/eq.cc: New test.
 834         * testsuite/ext/new_allocator/eq.cc: New test.
 835
 836 2018-10-10  Jonathan Wakely  <jwakely@redhat.com>
 837
 838         PR libstdc++/87544
 839         * include/bits/stl_vector.h (vector::_S_max_size): Limit size to
 840         PTRDIFF_MAX / sizeof(value_type).
 841         * include/ext/malloc_allocator.h (malloc_allocator::max_size):
 842         Likewise.
 843         * include/ext/new_allocator.h (new_allocator::max_size): Likewise.
 844         * testsuite/23_containers/vector/allocator/minimal.cc: Adjust
 845         expected value for max_size().
 846         * testsuite/23_containers/vector/capacity/87544.cc: New test.
 847
 848 2018-10-09  François Dumont  <fdumont@gcc.gnu.org>
 849
 850         * include/bits/stl_list.h
 851         (_List_operator<>::operator==): Replace member function with inline
 852         friend.
 853         (_List_operator<>::operator!=): Likewise.
 854         (_List_const_operator<>::operator==): Likewise.
 855         (_List_const_operator<>::operator!=): Likewise.
 856         (operator==(const _List_iterator<>&, const _List_const_iterator<>&)):
 857         Remove.
 858         (operator!=(const _List_iterator<>&, const _List_const_iterator<>&)):
 859         Remove.
 860
 861 2018-10-09  Jonathan Wakely  <jwakely@redhat.com>
 862
 863         * include/bits/stringfwd.h (string, wstring, u16string, u32string):
 864         Define typedefs outside of __cxx11 inline namespace.
 865         * python/libstdcxx/v6/printers.py (register_type_printers): Also
 866         register printers for typedefs in new location.
 867
 868 2018-10-08  Jonathan Wakely  <jwakely@redhat.com>
 869
 870         PR libstdc++/87538
 871         * testsuite/experimental/functional/87538.cc: New test.
 872
 873         PR libstdc++/87538
 874         * include/std/functional (_Not_fn::operator()): Check value of
 875         __is_nothrow_invocable as well.
 876         * testsuite/20_util/function_objects/not_fn/87538.cc: New test.
 877
 878 2018-10-08  François Dumont  <fdumont@gcc.gnu.org>
 879
 880         * include/debug/list (list<>::cbegin()): Use C++11 direct
 881         initialization.
 882         (list<>::cend()): Likewise.
 883         (list<>::emplace<>(const_iterator, _Args&&...)): Likewise.
 884         (list<>::insert(const_iterator, initializer_list<>)): Likewise.
 885         (list<>::insert(const_iterator, size_type, const _Tp&)): Likewise.
 886         (list<>::erase(const_iterator, const_iterator)): Ensure consistent
 887         iterator comparisons.
 888         (list<>::splice(const_iterator, list&&, const_iterator,
 889         const_iterator)): Likewise.
 890
 891 2018-10-05  François Dumont  <fdumont@gcc.gnu.org>
 892
 893         * include/bits/stl_tree.h
 894         (_Rb_tree_iterator<>::operator==): Make inline friend.
 895         (_Rb_tree_iterator<>::operator!=): Likewise.
 896         (_Rb_tree_const_iterator<>::operator==): Likewise.
 897         (_Rb_tree_const_iterator<>::operator!=): Likewise.
 898         (operator==(const _Rb_tree_iterator<>&,
 899         const _Rb_tree_const_iterator&)): Remove.
 900         (operator!=(const _Rb_tree_iterator<>&,
 901         const _Rb_tree_const_iterator&)): Remove.
 902         (operator==(const _Rb_tree<>&, const _Rb_tree<>&)): Make inline friend.
 903         (operator<(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
 904         (operator!=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise and
 905         deprecate.
 906         (operator>(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
 907         (operator<=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
 908         (operator>=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
 909         * include/debug/map.h (map<>::erase(const_iterator, const_iterator)):
 910         Compare __victim with _Base::cend().
 911         * include/debug/multimap.h
 912         (multimap<>::erase(const_iterator, const_iterator)): Likewise.
 913         * include/debug/set.h (set<>::erase(const_iterator, const_iterator)):
 914         Compare __victim with _Base::cend().
 915         * include/debug/multiset.h
 916         (multiset<>::erase(const_iterator, const_iterator)): Likewise.
 917
 918 2018-10-03  Jonathan Wakely  <jwakely@redhat.com>
 919
 920         PR libstdc++/59439
 921         * src/c++98/locale.cc (locale::locale(const locale&)): Bypass
 922         reference count updates for the classic locale.
 923         (locale::~locale()): Likewise.
 924         (locale::operator=(const locale&)): Likewise.
 925         * src/c++98/locale_init.cc (locale::locale()): Likewise.
 926         (locale::global(const locale&)): Likewise.
 927
 928 2018-10-03  François Dumont  <fdumont@gcc.gnu.org>
 929
 930         * include/debug/map.h
 931         (map<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
 932         (map<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 933         (map<>::insert(value_type&&)): Likewise.
 934         (map<>::insert<>(_Pair&&)): Likewise.
 935         (map<>::insert<>(const_iterator, _Pair&&)): Likewise.
 936         (map<>::try_emplace): Likewise.
 937         (map<>::insert_or_assign): Likewise.
 938         (map<>::insert(node_type&&)): Likewise.
 939         (map<>::insert(const_iterator, node_type&&)): Likewise.
 940         (map<>::erase(const_iterator)): Likewise.
 941         (map<>::erase(const_iterator, const_iterator)): Likewise.
 942         * include/debug/multimap.h
 943         (multimap<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
 944         (multimap<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 945         (multimap<>::insert<>(_Pair&&)): Likewise.
 946         (multimap<>::insert<>(const_iterator, _Pair&&)): Likewise.
 947         (multimap<>::insert(node_type&&)): Likewise.
 948         (multimap<>::insert(const_iterator, node_type&&)): Likewise.
 949         (multimap<>::erase(const_iterator)): Likewise.
 950         (multimap<>::erase(const_iterator, const_iterator)): Likewise.
 951         * include/debug/set.h
 952         (set<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
 953         (set<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 954         (set<>::insert(value_type&&)): Likewise.
 955         (set<>::insert<>(const_iterator, value_type&&)): Likewise.
 956         (set<>::insert(const_iterator, node_type&&)): Likewise.
 957         (set<>::erase(const_iterator)): Likewise.
 958         (set<>::erase(const_iterator, const_iterator)): Likewise.
 959         * include/debug/multiset.h
 960         (multiset<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
 961         (multiset<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 962         (multiset<>::insert<>(value_type&&)): Likewise.
 963         (multiset<>::insert<>(const_iterator, value_type&&)): Likewise.
 964         (multiset<>::insert(node_type&&)): Likewise.
 965         (multiset<>::insert(const_iterator, node_type&&)): Likewise.
 966         (multiset<>::erase(const_iterator)): Likewise.
 967         (multiset<>::erase(const_iterator, const_iterator)): Likewise.
 968
 969 2018-10-02  Marc Glisse  <marc.glisse@inria.fr>
 970
 971         PR libstdc++/87258
 972         * include/bits/stl_bvector.h (vector::begin(), vector::cbegin()):
 973         Rebuild _M_start with an explicit 0 offset.
 974
 975 2018-10-02  Jonathan Wakely  <jwakely@redhat.com>
 976
 977         * include/std/variant (__gen_vtable_impl::__visit_invoke): Call __get
 978         directly instead of get, as caller ensures correct index is used.
 979         (holds_alternative, get, get_if): Remove redundant inline specifiers.
 980         (_VARIANT_RELATION_FUNCTION_TEMPLATE): Likewise.
 981
 982 2018-10-02  Joseph Myers  <joseph@codesourcery.com>
 983
 984         * testsuite/lib/libstdc++.exp (libstdc++_init): Use
 985         -fno-show-column in default cxxflags.
 986
 987 2018-10-01  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 988
 989         * config/os/uclibc/os_defines.h (__NO_STRING_INLINES): Delete.
 990
 991 2018-10-01  Gerald Pfeifer  <gerald@pfeifer.com>
 992
 993         * doc/xml/manual/allocator.xml: Adjust link to "Reconsidering
 994         Custom Memory Allocation".
 995
 996 2018-10-01  Jonathan Wakely  <jwakely@redhat.com>
 997
 998         * doc/html/*: Regenerate.
 999
1000 2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
1001
1002         * doc/xml/manual/messages.xml: Switch link to www.oracle.com
1003         to https.
1004
1005 2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
1006
1007         * doc/xml/manual/policy_data_structures_biblio.xml: Update
1008         link to Microsoft Component Model Object Technologies.
1009
1010 2018-09-29  Gerald Pfeifer  <gerald@pfeifer.com>
1011
1012         * doc/xml/gnu/fdl-1.3.xml: The Free Software Foundation web
1013         site now uses https. Also omit the unnecessary trailing slash.
1014         * doc/xml/gnu/gpl-3.0.xml: Ditto.
1015
1016 2018-09-28  François Dumont  <fdumont@gcc.gnu.org>
1017
1018         * include/debug/functions.h
1019         (__foreign_iterator_aux3(const _Safe_iterator<>&, const _InputeIter&,
1020         const _InputIter&, __true_type)): Use empty() rather than begin() ==
1021         end().
1022
1023 2018-09-25  Mike Crowe  <mac@mcrowe.com>
1024
1025         * include/std/condition_variable (condition_variable::wait_for): Use
1026         steady clock in overload that uses a predicate.
1027
1028 2018-09-25  Jonathan Wakely  <jwakely@redhat.com>
1029
1030         PR libstdc++/87431
1031         * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
1032         Avoid runtime test when all alternatives are scalars and so cannot
1033         throw during initialization.
1034
1035 2018-09-25  Gerald Pfeifer  <gerald@pfeifer.com>
1036
1037         * doc/xml/manual/codecvt.xml: Move link to "UTF-8 and Unicode FAQ"
1038         to https.
1039
1040 2018-09-24  Gerald Pfeifer  <gerald@pfeifer.com>
1041
1042         * doc/xml/manual/policy_data_structures_biblio.xml: Update link
1043         to "Priority Queues and the STL".
1044
1045 2018-09-23  Gerald Pfeifer  <gerald@pfeifer.com>
1046
1047         * doc/xml/manual/using_exceptions.xml: Move boost.orgs link to
1048         https.
1049
1050 2018-09-21  François Dumont  <fdumont@gcc.gnu.org>
1051
1052         PR libstdc++/87135
1053         * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
1054         Use __builtin_floor to compute _M_next_resize.
1055         * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt.
1056         * testsuite/23_containers/unordered_set/hash_policy/prime_rehash.cc:
1057         Adapt.
1058
1059 2018-09-21  Jonathan Wakely  <jwakely@redhat.com>
1060
1061         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Remove.
1062         * testsuite/26_numerics/headers/cmath/hypot.cc: Restore test for
1063         long double unconditionally, but use lower tolerance when
1064         sizeof(long double) == sizeof(double).
1065
1066 2018-09-20  Christophe Lyon  <christophe.lyon@linaro.org>
1067
1068         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Skip
1069         on arm*.
1070
1071 2018-09-19  Jonathan Wakely  <jwakely@redhat.com>
1072
1073         * include/bits/regex_automaton.tcc (_StateSeq<_TraitsT>::_M_clone()):
1074         Remove __glibcxx_assert statements and use map::find instead of
1075         map::operator[].
1076
1077 2018-09-18  François Dumont  <fdumont@gcc.gnu.org>
1078
1079         PR libstdc++/87135
1080         * src/c++11/hashtable_c++0x.cc:
1081         (_Prime_rehash_policy::_M_next_bkt): Return a prime no smaller than
1082         requested size, but not necessarily greater.
1083         (_Prime_rehash_policy::_M_need_rehash): Rehash only if target size is
1084         strictly greater than next resize threshold.
1085         * testsuite/23_containers/unordered_map/modifiers/reserve.cc: Adapt test
1086         to validate that there is no rehash as long as number of insertion is
1087         lower or equal to the reserved number of elements.
1088
1089 2018-09-18  Jonathan Wakely  <jwakely@redhat.com>
1090
1091         * include/bits/unique_ptr.h (__uniq_ptr_impl): Remove static assertion
1092         checking invocable condition.
1093         (unique_ptr::~unique_ptr, unique_ptr::reset): Restore static assertion
1094         here, where types must be complete. Pass pointer to deleter as an
1095         rvalue.
1096         * testsuite/20_util/unique_ptr/requirements/incomplete.cc: New test.
1097
1098 2018-09-13  Jonathan Wakely  <jwakely@redhat.com>
1099
1100         * include/std/variant (variant) [__clang__]: Limit workaround to
1101         Clang 7 and older.
1102
1103 2018-09-11  Jonathan Wakely  <jwakely@redhat.com>
1104
1105         PR libstdc++/87278
1106         * include/bits/shared_ptr.h (make_shared): Use remove_cv instead of
1107         remove_const.
1108         * testsuite/20_util/shared_ptr/creation/87278.cc: New test.
1109
1110         Implement LWG 2905 changes to constrain unique_ptr constructors
1111         * include/bits/unique_ptr.h (__uniq_ptr_impl): Add assertions to
1112         check deleter type.
1113         (unique_ptr::unique_ptr(pointer, const deleter_type&)): Add copy
1114         constructible constraint.
1115         (unique_ptr::unique_ptr(pointer, deleter_type&&)): Disable for
1116         deleters of reference type and add move constructible constraint.
1117         (unique_ptr::unique_ptr(pointer, remove_reference_t<deleter_type>&&)):
1118         Disable for deleters of non-reference type. Define as deleted.
1119         (unique_ptr<T[], D>): Likewise.
1120         * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Replace dg-error
1121         directives with unstable line numbers with dg-prune-output.
1122         * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
1123         * testsuite/20_util/unique_ptr/cons/lwg2905.cc: New test.
1124         * testsuite/20_util/unique_ptr/specialized_algorithms/swap_cxx17.cc:
1125         Make deleter types invocable.
1126
1127 2018-09-05  Jonathan Wakely  <jwakely@redhat.com>
1128
1129         * libsupc++/cxxabi.h (__cxa_demangle): Clarify doxygen comment.
1130
1131 2018-09-03  Jonathan Wakely  <jwakely@redhat.com>
1132
1133         PR libstdc++/78179
1134         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: New test
1135         that runs the long double part of hypot.cc.
1136         * testsuite/26_numerics/headers/cmath/hypot.cc: Disable long double
1137         tests unless TEST_HYPOT_LONG_DOUBLE is defined.
1138
1139         * include/bits/stl_vector.h (vector::_Temporary_value::_M_ptr):
1140         Return raw pointer not allocator's pointer type.
1141         (vector::_Temporary_value::_M_val): Use _M_ptr.
1142
1143         PR libstdc++/87194
1144         * include/bits/stl_map.h
1145         (map::map(initializer_list<value_type>, const Compare&, const Alloc&))
1146         (map::map(initializer_list<value_type>, const Alloc&))
1147         (map::map(InputIterator, InputIterator, const Alloc&))
1148         (map::map(InputIterator, InputIterator))
1149         (map::map(InputIterator, InputIterator, const Compare&, const Alloc&))
1150         (map::insert(InputIterator, InputIterator)):
1151         Call _M_insert_range_unique instead of _M_insert_unique.
1152         * include/bits/stl_multimap.h
1153         (multimap::multimap(initializer_list<value_type>, const C&, const A&))
1154         (multimap::multimap(initializer_list<value_type>, const A&))
1155         (multimap::multimap(InputIterator, InputIterator, const A&))
1156         (multimap::multimap(InputIterator, InputIterator))
1157         (multimap::multimap(InputIterator, InputIterator, const C&, const A&))
1158         (multimap::insert(InputIterator, InputIterator)): Call
1159         _M_insert_range_equal instead of _M_insert_equal.
1160         * include/bits/stl_multiset.h
1161         (multiset::multiset(InputIterator, InputIterator))
1162         (multiset::multiset(InputIterator, InputIterator, const C&, const A&))
1163         (multiset::multiset(initializer_list<value_type>, const C&, const A&))
1164         (multiset::multiset(initializer_list<value_type>, const A&))
1165         (multiset::multiset(InputIterator, InputIterator, const A&))
1166         (multiset::insert(InputIterator, InputIterator)): Call
1167         _M_insert_range_equal instead of _M_insert_equal.
1168         * include/bits/stl_set.h
1169         (set::set(InputIterator, InputIterator))
1170         (set::set(InputIterator, InputIterator, const Compare&, const Alloc&))
1171         (set::set(initializer_list<value_type>, const Compare&, const Alloc&))
1172         (set::set(initializer_list<value_type>, const Alloc&))
1173         (set::set(InputIterator, InputIterator, const Alloc&))
1174         (set::insert(InputIterator, InputIterator)):
1175         Call _M_insert_range_unique instead of _M_insert_unique.
1176         * include/bits/stl_tree.h
1177         [__cplusplus >= 201103L] (_Rb_tree::__same_value_type): New alias
1178         template for SFINAE constraints.
1179         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_unique): Pair of
1180         constrained overloads that either insert or emplace, depending on
1181         iterator's value_type.
1182         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_equal): Likewise.
1183         [__cplusplus < 201103L] (_Rb_tree::_M_insert_range_unique)
1184         (_Rb_tree::_M_insert_range_equal): New functions replacing range
1185         versions of _M_insert_unique and _M_insert_equal.
1186         (_Rb_tree::_M_insert_unique(_InputIterator, _InputIterator))
1187         (_Rb_tree::_M_insert_equal(_InputIterator, _InputIterator)): Remove.
1188         * testsuite/23_containers/map/modifiers/insert/87194.cc: New test.
1189         * testsuite/23_containers/multimap/modifiers/insert/87194.cc: New test.
1190         * testsuite/23_containers/multiset/modifiers/insert/87194.cc: New test.
1191         * testsuite/23_containers/set/modifiers/insert/87194.cc: New test.
1192
1193         PR libstdc++/78595
1194         * include/bits/stl_map.h (map::insert(_Pair&&))
1195         (map::insert(const_iterator, _Pair&&)): Do emplace instead of insert.
1196         * include/bits/stl_multimap.h (multimap::insert(_Pair&&))
1197         (multimap::insert(const_iterator, _Pair&&)): Likewise.
1198         * include/bits/unordered_map.h (unordered_map::insert(_Pair&&))
1199         (unordered_map::insert(const_iterator, _Pair&&))
1200         (unordered_multimap::insert(_Pair&&))
1201         (unordered_multimap::insert(const_iterator, _Pair&&)): Likewise.
1202         * testsuite/23_containers/map/modifiers/insert/78595.cc: New test.
1203         * testsuite/23_containers/multimap/modifiers/insert/78595.cc: New test.
1204         * testsuite/23_containers/unordered_map/modifiers/78595.cc: New test.
1205         * testsuite/23_containers/unordered_multimap/modifiers/78595.cc: New
1206         test.
1207
1208 2018-09-02  François Dumont  <fdumont@gcc.gnu.org>
1209
1210         * include/debug/safe_iterator.h
1211         (_Safe_iterator<_It, _Seq, _Cat>::_Self): New.
1212         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>::_Self):
1213         New.
1214         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1215         ::_OtherSelf): New.
1216         (_GLIBCXX_DEBUG_VERIFY_OPERANDS, _GLIBCXX_DEBUG_VERIFY_EQ_OPERANDS)
1217         (_GLIBCXX_DEBUG_VERIFY_REL_OPERANDS)
1218         (_GLIBCXX_DEBUG_VERIFY_DIST_OPERANDS): Define macros.
1219         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1220         ::operator+(difference_type)): Use latters, inline as friend.
1221         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1222         ::operator-(difference_type)): Likewise.
1223         (operator==(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1224         Likewise.
1225         (operator!=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1226         Likewise.
1227         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1228         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1229         Likewise.
1230         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1231         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1232         Likewise.
1233         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1234         (operator+(difference_type, const _Safe_iterator<>&)): Likewise.
1235         (operator-(const _Safe_iterator<>&, difference_type)): Likewise.
1236         * include/debug/safe_iterator.tcc
1237         (_Safe_iterator<>::_M_can_advance(difference_type)): Take parameter by
1238         copy.
1239         * include/debug/safe_local_iterator.h
1240         (_Safe_local_iterator<_It, _Seq>::_Self): New.
1241         (_Safe_local_iterator<_It, _Seq>::_OtherSelf): New.
1242         (_GLIBCXX_DEBUG_VERIFY_OPERANDS): Define macro.
1243         (operator==(const _Safe_local_iterator<>&,
1244         const _Safe_local_iterator<>&)): Use latter, inline as friend.
1245         (operator!=(const _Safe_local_iterator<>&,
1246         const _Safe_local_iterator<>&)): Likewise.
1247         * testsuite/util/testsuite_containers.h: Include utility.
1248         (struct forward_members_unordered<_Tp, bool>): Remove 2nd template
1249         parameter.
1250         (forward_members_unordered<>::forward_members_unordered(value_type&)):
1251         Add using namespace std::rel_ops.
1252         Add iterator_concept_checks on local_iterator and const_local_iterator.
1253         Add asserts on comparison between const_local_iterator and
1254         local_iterator.
1255         (struct forward_members_unordered<_Tp, false>): Remove partial
1256         specialization.
1257         * testsuite/23_containers/forward_list/types/1.cc: New.
1258         * testsuite/23_containers/list/types/1.cc: New.
1259
1260 2018-09-01  Gerald Pfeifer  <gerald@pfeifer.com>
1261
1262         * doc/xml/manual/profile_mode.xml: Update three ieeexplore.ieee.org
1263         references.
1264
1265 2018-08-31  Sandra Loosemore  <sandra@codesourcery.com>
1266
1267         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/10.cc:
1268         Add dg-require-fileio.
1269         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/11.cc:
1270         Likewise.
1271         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/5.cc:
1272         Likewise.
1273         * testsuite/21_strings/basic_string_view/inserters/wchar_t/2.cc:
1274         Likewise.
1275         * testsuite/25_algorithms/copy/streambuf_iterators/wchar_t/4.cc:
1276         Likewise.
1277         * testsuite/25_algorithms/find/istreambuf_iterators/wchar_t/2.cc:
1278         Likewise.
1279         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-1.cc: Likewise.
1280         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-2.cc: Likewise.
1281         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-3.cc: Likewise.
1282         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-4.cc: Likewise.
1283         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/11543.cc: Likewise.
1284         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-1.cc:
1285         Likewise.
1286         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-2.cc:
1287         Likewise.
1288         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-3.cc:
1289         Likewise.
1290         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-4.cc:
1291         Likewise.
1292         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-1.cc:
1293         Likewise.
1294         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-2.cc:
1295         Likewise.
1296         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-4.cc:
1297         Likewise.
1298         * testsuite/27_io/basic_filebuf/underflow/wchar_t/2.cc: Likewise.
1299         * testsuite/27_io/basic_filebuf/underflow/wchar_t/3.cc: Likewise.
1300         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: Likewise.
1301         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: Likewise.
1302         * testsuite/27_io/basic_istream/extractors_character/wchar_t/4.cc:
1303         Likewise.
1304         * testsuite/27_io/basic_istream/extractors_other/wchar_t/2.cc:
1305         Likewise.
1306         * testsuite/27_io/basic_istream/get/wchar_t/2.cc: Likewise.
1307         * testsuite/27_io/basic_istream/getline/wchar_t/5.cc: Likewise.
1308         * testsuite/27_io/basic_istream/ignore/wchar_t/2.cc: Likewise.
1309         * testsuite/27_io/basic_istream/ignore/wchar_t/3.cc: Likewise.
1310         * testsuite/27_io/basic_istream/seekg/wchar_t/sstream.cc: Likewise.
1311         * testsuite/27_io/basic_istream/tellg/wchar_t/sstream.cc: Likewise.
1312         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: Likewise.
1313         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: Likewise.
1314         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/1.cc:
1315         Likewise.
1316         * testsuite/27_io/objects/wchar_t/10.cc: Likewise.
1317         * testsuite/27_io/objects/wchar_t/12048-1.cc: Likewise.
1318         * testsuite/27_io/objects/wchar_t/12048-2.cc: Likewise.
1319         * testsuite/27_io/objects/wchar_t/12048-3.cc: Likewise.
1320         * testsuite/27_io/objects/wchar_t/12048-4.cc: Likewise.
1321         * testsuite/27_io/objects/wchar_t/12048-5.cc: Likewise.
1322         * testsuite/experimental/string_view/inserters/wchar_t/2.cc:
1323         Likewise.
1324         * testsuite/ext/stdio_sync_filebuf/wchar_t/1.cc: Likewise.
1325
1326 2018-08-30  Sandra Loosemore  <sandra@codesourcery.com>
1327
1328         * testsuite/experimental/propagate_const/observers/1.cc: Make
1329         dependence on -fdelete-null-pointer-checks explicit.
1330
1331 2018-08-30  Jonathan Wakely  <jwakely@redhat.com>
1332
1333         * include/bits/hashtable_policy.h (__clp2): Fix calculation for LLP64
1334         targets where sizeof(size_t) > sizeof(long). Avoid undefined shifts
1335         of the number of bits in the type.
1336         * include/std/bit (__ceil2): Avoid undefined shifts.
1337         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Test values with
1338         the most signifiant bit set.
1339
1340         * config/abi/pre/gnu.ver: Add missing exports for mingw.
1341
1342         * include/ext/pointer.h (_Pointer_adapter): Define operators for
1343         pointer arithmetic using long long offsets.
1344         * testsuite/ext/ext_pointer/1.cc: Test pointer arithmetic using
1345         long long values.
1346
1347 2018-08-29  Jonathan Wakely  <jwakely@redhat.com>
1348
1349         PR libstdc++/31413
1350         * testsuite/22_locale/time_get/get_date/wchar_t/4.cc: Check D_FMT
1351         string for alternative format.
1352
1353 2018-08-28  Jonathan Wakely  <jwakely@redhat.com>
1354
1355         PR libstdc++/87116
1356         * src/filesystem/std-path.cc (path::lexically_normal): When handling
1357         a dot-dot filename, preserve an empty final component in the iteration
1358         sequence.
1359         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use preferred-separator for
1360         root-directory.
1361         * testsuite/27_io/filesystem/path/generation/normal.cc: Add new tests
1362         for more than two adjacent dot-dot filenames.
1363         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Replace slashes with
1364         preferred-separator in expected normalized strings.
1365
1366 2018-08-25  Iain Sandoe  <iain@sandoe.co.uk>
1367
1368         PR libstdc++/70694
1369         * configure.host (OPT_LDFLAGS): Don't append
1370         -fvisibility-inlines-hidden for newer Darwin.
1371
1372 2018-08-24  Marc Glisse  <marc.glisse@inria.fr>
1373
1374         PR libstdc++/86822
1375         * libsupc++/new (operator new(size_t, nothrow_t), operator
1376         new[](size_t, nothrow_t), operator new(size_t, align_val_t, nothrow_t),
1377         operator new[](size_t, align_val_t, nothrow_t)): Add malloc attribute.
1378
1379 2018-08-24  Jonathan Wakely  <jwakely@redhat.com>
1380
1381         * include/debug/deque (std::__debug::deque): Declare.
1382         * include/debug/forward_list (std::__debug::forward_list): Declare.
1383         * include/debug/list (std::__debug::list): Declare.
1384         * include/debug/map (std::__debug::map): Declare.
1385         * include/debug/set (std::__debug::set): Declare.
1386         * include/debug/unordered_map (std::__debug::unordered_map): Declare.
1387         * include/debug/unordered_set (std::__debug::unordered_set): Declare.
1388         * include/debug/vector (std::__debug::vector): Declare.
1389         * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: New test.
1390         * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: New
1391         test.
1392         * testsuite/23_containers/list/pmr_typedefs_debug.cc: New test.
1393         * testsuite/23_containers/map/pmr_typedefs_debug.cc: New test.
1394         * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: New test.
1395         * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: New test.
1396         * testsuite/23_containers/set/pmr_typedefs_debug.cc: New test.
1397         * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc: New
1398         test.
1399         * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
1400         New test.
1401         * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
1402         New test.
1403         * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc: New
1404         test.
1405         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
1406         Adjust dg-error lineno.
1407         * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: New
1408         test.
1409
1410 2018-08-23  Jonathan Wakely  <jwakely@redhat.com>
1411
1412         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
1413         Only define when RTTI is enabled.
1414
1415         * include/debug/vector (__niter_base): Define for C++98.
1416
1417         * testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
1418         Fix C++98 test to not use C++11 features.
1419         * testsuite/25_algorithms/fill_n/2.cc: Likewise.
1420
1421         * scripts/check_compile: Fix comments.
1422
1423         * include/debug/string (insert(__const_iterator, _InIter, _InIter)):
1424         [!_GLIBCXX_USE_CXX11_ABI]: Replace use of C++11-only cbegin() with
1425         begin(), for C++98 compatibility.
1426
1427         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
1428         (basic_string::__const_iterator): Change access to protected.
1429         [!_GLIBCXX_USE_CXX11_ABI] (basic_string::__const_iterator): Define
1430         as typedef for iterator.
1431         * include/debug/string (__const_iterator): Use typedef from base.
1432         (insert(const_iterator, _CharT))
1433         (replace(const_iterator, const_iterator, const basic_string&))
1434         (replace(const_iterator, const_iterator, const _CharT*, size_type))
1435         (replace(const_iterator, const_iterator, const CharT*))
1436         (replace(const_iterator, const_iterator, size_type, _CharT))
1437         (replace(const_iterator, const_iterator, _InputIter, _InputIter))
1438         (replace(const_iterator, const_iterator, initializer_list<_CharT>)):
1439         Change const_iterator parameters to __const_iterator.
1440         (insert(iterator, size_type, _CharT)): Add C++98 overload.
1441         (insert(const_iterator, _InputIterator, _InputIterator)): Change
1442         const_iterator parameter to __const_iterator.
1443         [!_GLIBCXX_USE_CXX11_ABI]: Add workaround for incorrect return type
1444         of base's member function.
1445         (insert(const_iterator, size_type, _CharT)) [!_GLIBCXX_USE_CXX11_ABI]:
1446         Likewise.
1447         (insert(const_iterator, initializer_list<_CharT>))
1448         [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
1449         * testsuite/21_strings/basic_string/init-list.cc: Remove effective
1450         target directive.
1451
1452         * testsuite/20_util/reference_wrapper/lwg2993.cc: Fix C++11 test to
1453         not use C++14 feature.
1454         * testsuite/23_containers/list/68222_neg.cc: Likewise.
1455
1456         * testsuite/21_strings/basic_string/init-list.cc:
1457         Require cxx11-abi.
1458         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
1459         Likewise.
1460         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
1461         Likewise.
1462
1463         * testsuite/23_containers/deque/capacity/max_size.cc: Fix test for
1464         C++98 mode.
1465         * testsuite/23_containers/deque/modifiers/assign/1.cc: Likewise.
1466         * testsuite/23_containers/list/modifiers/assign/1.cc: Likewise.
1467         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: Likewise.
1468         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
1469         * testsuite/23_containers/vector/modifiers/assign/1.cc: Likewise.
1470
1471 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
1472
1473         PR libstdc++/87061
1474         * include/experimental/regex [!_GLIBCXX_USE_CXX11_ABI]
1475         (experimental::pmr::match_results, experimental::pmr::cmatch)
1476         (experimental::pmr::smatch, experimental::pmr::wcmatch)
1477         (experimental::pmr::wsmatch): Do not declare for gcc4-compatible ABI,
1478         because COW strings don't support C++11 allocator model.
1479         * include/experimental/string [!_GLIBCXX_USE_CXX11_ABI]
1480         (experimental::pmr::basic_string, experimental::pmr::string)
1481         (experimental::pmr::u16string, experimental::pmr::u32string)
1482         (experimental::pmr::wstring): Likewise.
1483         * include/std/regex [!_GLIBCXX_USE_CXX11_ABI] (pmr::match_results)
1484         (pmr::cmatch, pmr::smatch, pmr::wcmatch, pmr::wsmatch): Likewise.
1485         * include/std/string [!_GLIBCXX_USE_CXX11_ABI] (pmr::basic_string)
1486         (pmr::string, pmr::u16string, pmr::u32string, pmr::wstring): Likewise.
1487         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Require
1488         cxx11-abi.
1489         * testsuite/28_regex/match_results/pmr_typedefs.cc: Likewise.
1490
1491         PR libstdc++/78448
1492         * include/bits/deque.tcc (deque::_M_range_initialize): Use
1493         _S_check_init_len to check size.
1494         (deque::_M_push_back_aux, deque::_M_push_front_aux): Throw length
1495         error if size would exceed max_size().
1496         * include/bits/stl_deque.h (_Deque_base::size_type): Remove typedef.
1497         (_Deque_base(_Deque_base&&, const allocator_type&, size_t)): Use
1498         size_t instead of size_type.
1499         (deq(size_type, const allocator_type&)
1500         (deq(size_type, const value_type&, const allocator_type&)
1501         (deque::_M_initialize_dispatch): Use _S_check_init_len to check size.
1502         (deque::max_size): Call _S_max_size.
1503         (deque::_S_check_init_len, deque::_S_max_size): New functions.
1504         * include/bits/stl_vector.h (vector(size_type, const allocator_type&))
1505         (vector(size_type, const value_type&, const allocator_type&))
1506         (vector::_M_initialize_dispatch, vector::_M_range_initialize): Use
1507         _S_check_init_len to check size.
1508         (vector::max_size): Call _S_max_size.
1509         (vector::_M_check_len): Prevent max from being expanded as a
1510         function-like macro.
1511         (vector::_S_check_init_len, vector::_S_max_size): New functions.
1512         * include/bits/vector.tcc (vector::_M_assign_aux): Use
1513         _S_check_init_len to check size.
1514         * testsuite/23_containers/deque/capacity/max_size.cc: New test.
1515         * testsuite/23_containers/vector/capacity/max_size.cc: New test.
1516
1517 2018-08-22  François Dumont  <fdumont@gcc.gnu.org>
1518
1519         PR libstdc++/68222
1520         * include/debug/safe_iterator.h
1521         (_Safe_iterator<_It, _Sq, _Cat>): Add category template parameter.
1522         (_Safe_iterator<>::_Const_iterator): Remove.
1523         (_Safe_iterator<>::_IsConstant): New.
1524         (_Safe_iterator<>::_OtherIterator): New.
1525         (_Safe_iterator<_It, _Sq, _Cat>::_Safe_iterator<_MutIte>(
1526         const _Safe_iterator<_MutIte, _Sq, _Cat>&)): Add _IsConstant::__value in
1527         __gnu_cxx::__enable_if condition.
1528         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to): New.
1529         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_from_begin): New.
1530         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to_end): New.
1531         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>): New.
1532         (_Safe_iterator<_It, _Sq, _Cat>::operator--()): Move...
1533         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
1534         ::operator--()): ...here.
1535         (_Safe_iterator<_It, _Sq, _Cat>::operator--(int)): Move...
1536         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
1537         ::operator--(int)): ...here.
1538         (_Safe_iterator<_It, _Sq, _Cat>::_M_decrementable()): Move...
1539         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
1540         ::_M_decrementable()): ...here.
1541         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>): New.
1542         (_Safe_iterator<_It, _Sq, _Cat>::operator[](const difference_type&)):
1543         Move...
1544         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
1545         ::operator[](const difference_type&)): ...here.
1546         (_Safe_iterator<_It, _Sq, _Cat>::operator+=(const difference_type&)):
1547         Move...
1548         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
1549         ::operator+=(const difference_type&)): ...here.
1550         (_Safe_iterator<_It, _Sq, _Cat>::operator+(const difference_type&)):
1551         Move...
1552         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
1553         ::operator+(const difference_type&)): ...here.
1554         (_Safe_iterator<_It, _Sq, _Cat>::operator-=(const difference_type&)):
1555         Move...
1556         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
1557         ::operator-=(const difference_type&)): ...here.
1558         (_Safe_iterator<_It, _Sq, _Cat>::operator-(const difference_type&)):
1559         Move...
1560         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
1561         ::operator-(const difference_type&)): ...here.
1562         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1563         Constraint to random access iterators.
1564         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1565         Likewise.
1566         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1567         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1568         Likewise.
1569         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1570         (operator+(const difference_type&, const _Safe_iterator<>&)): Likewise.
1571         (__check_dereferenceable(const _Safe_iterator<>&)): Remove.
1572         (__get_distance): Remove.
1573         (__get_distance_from_begin): Remove.
1574         (__get_distance_to_end): Remove.
1575         (struct __is_safe_random_iterator<_Safe_iterator<>>): Remove partial
1576         specialization.
1577         (__base(const _Safe_iterator<>&, std::input_iterator_tag)): Remove.
1578         (__base(const _Safe_iterator<>&, std::random_access_iterator_tag)): Remove.
1579         (__base(const _Safe_iterator<>&)): Constraint to random access iterator.
1580         * include/debug/safe_iterator.tcc
1581         (_Safe_iterator<>::_M_get_distance_from_begin()): New.
1582         (_Safe_iterator<>::_M_get_distance_to_end()): New.
1583         (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator<>&)): New.
1584         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1585         ::_M_valid_range): New.
1586         * include/debug/safe_local_iterator.h
1587         (_Safe_local_iterator<>::_Const_local_iterator): Remove.
1588         (_Safe_local_iterator<>::_IsConstant): New.
1589         (_Safe_local_iterator<>::_OtherIterator): New.
1590         (_Safe_local_iterator<_It, _Cont>::_Safe_local_iterator<_MutIte, _Cont>(
1591         const _Safe_local_iterator<_MutIte, _Seq>&)): Add _IsConstant::__value
1592         in __gnu_cxx::__enable_if condition. If singular compare base iterator
1593         with _MutIte rather than _It.
1594         (_Safe_local_iterator<>::_S_constant): Make constexpr.
1595         (_Safe_local_iterator<>::_M_get_distance_to): New.
1596         (__check_dereferenceable(const _Safe_local_iterator<>&)): Remove.
1597         (__get_distance(const _Safe_local_iterator<>&,
1598         const _Safe_local_iterator<>&, std::input_iterator_tag)): Remove.
1599         (__valid_range(const _Safe_local_iterator<>&,
1600         const _Safe_local_iterator<>&)): New.
1601         * include/debug/safe_local_iterator.tcc
1602         (_Safe_local_iterator<>::_M_get_distance_to): New.
1603         * include/debug/deque (std::__debug::deque<>): Add
1604         ::__gnu_debug::_Safe_iterator<> friend declaration.
1605         * include/debug/forward_list (std::__debug::forward_list<>): Likewise.
1606         * include/debug/list (std::__debug::list<>): Likewise.
1607         * include/debug/map.h (std::__debug::map<>): Likewise.
1608         * include/debug/multimap.h (std::__debug::multimap<>): Likewise.
1609         * include/debug/set.h (std::__debug::set<>): Likewise.
1610         * include/debug/multiset.h (std::__debug::multiset<>): Likewise.
1611         * include/debug/string (std::__debug::basic_string<>): Likewise.
1612         * include/debug/unordered_map (std::__debug::unordered_map<>): Likewise
1613         and add ::__gnu_debug::_Safe_local_iterator<> friend declaration.
1614         (std::__debug::unordered_multimap<>): Likewise.
1615         * include/debug/unordered_set (std::__debug::unordered_set<>): Likewise.
1616         (std::__debug::unordered_multiset<>): Likewise.
1617         * include/debug/formatter.h: Adapt.
1618         * include/debug/helper_functions.h
1619         (__gnu_debug::_Safe_local_iterator<>): Add declaration.
1620         (__get_distance<_Ite>(_Ite, _Ite, std::random_access_iterator_tag):
1621         Pass parameter by copy.
1622         (__get_distance<_Ite>(_Ite, _Ite, std::input_iterator_tag): Likewise.
1623         (__get_distance<_Ite>(_Ite, _Ite): Likewise.
1624         (__valid_range_aux<_Integral>): Pass _Integral by copy.
1625         (__valid_range<_InputIterator>): Pass _InputIterator by copy.
1626         (__valid_range<>(const _Safe_iterator<>&,
1627         const _Safe_iterator<>&, typename _Distance_traits<>::__type&)):
1628         Declare.
1629         (__valid_range(const _Safe_local_iterator<>&,
1630         const _Safe_local_iterator<>&, typename _Distance_traits<>::__type&)):
1631         Declare.
1632         (__valid_range<>(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1633         Declare.
1634         (__valid_range(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&)):
1635         Declare.
1636         (__can_advance): Adapt.
1637         (struct __is_safe_random_iterator<>): Remove.
1638         (struct _SIter_base<>): Remove.
1639         * include/debug/functions.h: Include <bits/stl_iterator.h>.
1640         (__check_dereferenceable): Remove.
1641         (__foreign_iterator_aux4, __foreign_iterator_aux3): Adapt.
1642         (__foreign_iterator_aux2, __foreign_iterator_aux): Adapt.
1643         (__foreign_iterator): Adapt.
1644         * include/debug/stl_iterator.h
1645         (__is_safe_random_iterator<std::reverse_iterator<>>): Remove.
1646         (__base(const std::reverse_iterator<_Safe_iterator<_It, _Sq>)):
1647         Constraint for random access iterators.
1648         (__niter_base): Adapt.
1649         * testsuite/util/testsuite_containers.h:
1650         Include <bits/boost_concept_check.h>.
1651         (iterator_concept_checks<_It, _Mutable, _Category>): New.
1652         (citerator<_Cont>::forward_members::forward_members()): Instantiate
1653         latter for container iterator and const_iterator.
1654         * testsuite/23_containers/list/68222_neg.cc: New.
1655         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: Adapt
1656         line number.
1657         * testsuite/23_containers/unordered_set/debug/debug_functions.cc:
1658         (test01): Remove.
1659         * testsuite/23_containers/vector/debug/debug_functions.cc (test01):
1660         Remove.
1661
1662 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
1663
1664         PR libstdc++/77854
1665         * doc/xml/manual/status_cxx1998.xml: Document size_type and
1666         difference_type for containers.
1667         * doc/html/*: Regenerate.
1668
1669 2018-08-21  François Dumont  <fdumont@gcc.gnu.org>
1670
1671         P0646R1 Improving the Return Value of Erase-Like Algorithms I
1672         * include/debug/forward_list (forward_list::__remove_return_type):
1673         Define typedef as size_type or void, according to __cplusplus value.
1674         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
1675         empty, according to __cplusplus value.
1676         (_GLIBCXX20_ONLY): Define macro.
1677         (forward_list::remove, forward_list::unique): Use typedef and macro
1678         to change return type and add abi-tag for C++2a. Return number of
1679         removed elements for C++2a.
1680         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
1681         typedef to change return type for C++2a. Return number of removed
1682         elements for C++2a.
1683         * include/debug/list (list::__remove_return_type): Define typedef as
1684         size_type or void, according to __cplusplus value.
1685         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
1686         empty, according to __cplusplus value.
1687         (_GLIBCXX20_ONLY): Define macro.
1688         (list::remove, list::unique): Use typedef and macro to change return
1689         type and add abi-tag for C++2a. Return number of removed elements for
1690         C++2a.
1691         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use typedef
1692         to change return type for C++2a. Return number of removed elements for
1693         C++2a.
1694
1695 2018-08-21  David Edelsohn  <dje.gcc@gmail.com>
1696
1697         * testsuite/18_support/new_nothrow.cc: XFAIL on AIX.
1698
1699 2018-08-21  Jonathan Wakely  <jwakely@redhat.com>
1700
1701         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Remove
1702         redundant dg-do directive.
1703         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
1704         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
1705         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
1706         * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
1707
1708 2018-08-20  Jonathan Wakely  <jwakely@redhat.com>
1709
1710         PR libstdc++/86963
1711         * include/std/tuple (_Tuple_impl::operator=): Define as deleted.
1712         (_Tuple_impl::_M_assign): New functions to perform assignment instead
1713         of assignment operators.
1714         (_Tuple_impl::_M_swap): Remove exception specification.
1715         (_Tuple_impl<_Idx, _Head>): Likewise.
1716         (_TC::_NonNestedTuple, _TC::_NotSameTuple): Use __remove_cvref_t.
1717         (__tuple_base): Remove.
1718         (tuple, tuple<_T1, _T2>): Remove inheritance from __tuple_base.
1719         (tuple::operator=, tuple<_T1, _T2>::operator=): Call _M_assign.
1720         (tuple::swap, tuple<_T1, _T2>::swap): Define exception specification
1721         using __is_nothrow_swappable.
1722         (tuple<_T1, _T2>::tuple(_U1&&, _U2&&)): Use __remove_cvref_t.
1723
1724         * include/std/optional (_Optional_payload): Use variable templates
1725         for conditions in default template arguments and exception
1726         specifications.
1727         (optional): Likewise. Adjust indentation.
1728         (optional::__not_self, optional::__not_tag, optional::_Requires): New
1729         SFINAE helpers.
1730         (optional::optional): Use new helpers in constructor constraints.
1731         * include/std/type_traits (__or_v, __and_v): New variable templates.
1732         * testsuite/20_util/optional/cons/value_neg.cc: Change dg-error to
1733         dg-prune-output. Remove unused header.
1734
1735 2018-08-18  François Dumont  <fdumont@gcc.gnu.org>
1736
1737         * testsuite/25_algorithms/copy/86658.cc: Use dg-options to define
1738         _GLIBCXX_DEBUG.
1739
1740 2018-08-17  Jonathan Wakely  <jwakely@redhat.com>
1741
1742         PR libstdc++/86963
1743         * include/std/tuple (__tuple_base): New class template with deleted
1744         copy assignment operator.
1745         (tuple, tuple<_T1, _T2>): Derive from __tuple_base<tuple> so that
1746         implicit copy/move assignment operator will be deleted/suppressed.
1747         (tuple::__assignable, tuple<_T1, _T2>::__assignable): New helper
1748         functions for SFINAE constraints on assignment operators.
1749         (tuple::__nothrow_assignable, tuple<_T1, _T2>::__nothrow_assignable):
1750         New helper functions for exception specifications.
1751         (tuple::operator=(const tuple&), tuple::operator=(tuple&&))
1752         (tuple<_T1, _T2>::operator=(const tuple&))
1753         (tuple<_T1, _T2>::operator=(tuple&&)): Change parameter types to
1754         __nonesuch_no_braces when the operator should be defined implicitly.
1755         Use __nothrow_assignable for exception specifications.
1756         (tuple::operator=(const tuple<_UElements...>&))
1757         (tuple::operator=(tuple<_UElements...>&&))
1758         (tuple<_T1, _T2>::operator=(const tuple<_U1, _U2>&))
1759         (tuple<_T1, _T2>::operator=(tuple<_U1, _U2>&&))
1760         (tuple<_T1, _T2>::operator=(const pair<_U1, _U2>&))
1761         (tuple<_T1, _T2>::operator=(pair<_U1, _U2>&&)): Constrain using
1762         __assignable and use __nothrow_assignable for exception
1763         specifications.
1764         * python/libstdcxx/v6/printers.py (is_specialization_of): Accept
1765         gdb.Type as first argument, instead of a string.
1766         (StdTuplePrinter._iterator._is_nonempty_tuple): New method to check
1767         tuple for expected structure.
1768         (StdTuplePrinter._iterator.__init__): Use _is_nonempty_tuple.
1769         * testsuite/20_util/tuple/dr2729.cc: New test.
1770         * testsuite/20_util/tuple/element_access/get_neg.cc: Change dg-error
1771         to dg-prune-output.
1772
1773 2018-08-16  Jonathan Wakely  <jwakely@redhat.com>
1774
1775         * include/tr1/legendre_function.tcc (__sph_legendre): Avoid warning
1776         about signed/unsigned comparison.
1777
1778         * include/std/ostream (basic_ostream::sentry::~sentry): Suppress
1779         deprecation warnings for using uncaught_exception().
1780
1781         PR libstdc++/86447
1782         * src/c++11/cow-stdexcept.cc [_GLIBCXX_FULLY_DYNAMIC_STRING]
1783         (logic_error::logic_error(logic_error&&))
1784         (logic_error::operator=(logic_error&&))
1785         (runtime_error::runtime_error(runtime_error&&))
1786         (runtime_error::operator=(runtime_error&&)): Copy strings instead of
1787         moving, to avoid allocating empty reps for moved-from strings.
1788
1789 2018-08-15  Jonathan Wakely  <jwakely@redhat.com>
1790
1791         * include/experimental/regex: Remove begin/end macros for namespace.
1792         * include/experimental/string: Likewise.
1793         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc:
1794         New test.
1795         * testsuite/experimental/polymorphic_allocator/
1796         pmr_typedefs_forward_list.cc: New test.
1797         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc:
1798         New test.
1799         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc:
1800         New test.
1801         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
1802         New test.
1803         * testsuite/experimental/polymorphic_allocator/
1804         pmr_typedefs_multimap.cc: New test.
1805         * testsuite/experimental/polymorphic_allocator/
1806         pmr_typedefs_multiset.cc: New test.
1807         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc:
1808         New test.
1809         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
1810         New test.
1811         * testsuite/experimental/polymorphic_allocator/
1812         pmr_typedefs_unordered_map.cc: New test.
1813         * testsuite/experimental/polymorphic_allocator/
1814         pmr_typedefs_unordered_multimap.cc: New test.
1815         * testsuite/experimental/polymorphic_allocator/
1816         pmr_typedefs_unordered_multiset.cc: New test.
1817         * testsuite/experimental/polymorphic_allocator/
1818         pmr_typedefs_unordered_set.cc: New test.
1819         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc:
1820         New test.
1821
1822         * include/bits/uses_allocator.h (__uses_allocator_construct): Qualify
1823         calls to __uses_allocator_construct_impl and __use_alloc.
1824         * include/experimental/memory_resource
1825         (polymorphic_allocator::_M_construct): Remove.
1826         (polymorphic_allocator::construct): Call __uses_allocator_construct.
1827         Qualify calls to __use_alloc.
1828         * include/std/memory_resource (polymorphic_allocator::construct): Fix
1829         type in SFINAE constraint. Use constexpr if instead of tag dispatching
1830         to _S_construct overloads.
1831         (polymorphic_allocator::construct(pair<T1, T2>*, ...)): Fix order of
1832         arguments to _S_construct_p.
1833         (polymorphic_allocator::_S_construct): Remove.
1834         (polymorphic_allocator::_S_construct_p): Return allocators by value
1835         not by reference.
1836         * include/std/scoped_allocator (scoped_allocator_adaptor::construct):
1837         Qualify calls to __use_alloc.
1838         * testsuite/20_util/polymorphic_allocator/construct_pair.cc: New test,
1839         copied from testsuite/20_util/scoped_allocator/construct_pair.cc.
1840         * testsuite/experimental/polymorphic_allocator/1.cc: New test.
1841         * testsuite/experimental/polymorphic_allocator/construct_pair.cc:
1842         New test.
1843
1844         * src/c++17/memory_resource.cc [!_GLIBCXX_HAS_GTHREADS]
1845         (atomic_mem_res): Add unsynchronized definition for single-threaded.
1846
1847 2018-08-14  Jonathan Wakely  <jwakely@redhat.com>
1848
1849         PR libstdc++/86954
1850         * include/bits/stl_tempbuf.h (return_temporary_buffer): Use
1851         non-placement delete.
1852
1853         * include/std/chrono (__check_overflow): Simplify definition.
1854         (_Checked_integral_constant): Remove.
1855
1856         PR libstdc++/86846
1857         * src/c++17/default_resource.h: New file, defining default_res.
1858         * src/c++17/memory_resource.cc [ATOMIC_POINTER_LOCK_FREE != 2]
1859         (atomic_mem_res): Define alternative for atomic<memory_resource*>
1860         using a mutex instead of atomics.
1861
1862         PR libstdc++/85343
1863         * config/abi/pre/gnu.ver: Export new symbol.
1864         * doc/xml/manual/abi.xml: Document new versions.
1865         * include/bits/fstream.tcc (basic_filebuf<C, T>::underflow)
1866         (basic_filebuf<C, T>::xsgetn): Pass errno to __throw_ios_failure.
1867         * include/bits/functexcept.h (__throw_ios_failure(const char*, int)):
1868         Declare new overload.
1869         * src/c++11/cxx11-ios_failure.cc (__ios_failure): Add new constructor
1870         and static member function.
1871         (__throw_ios_failure(const char*, int)): Define.
1872         * src/c++98/ios_failure.cc [!_GLIBCXX_USE_DUAL_ABI]
1873         (__throw_ios_failure(const char*, int)): Define.
1874
1875 2018-08-14  Jeremy Sawicki  <jeremy-gcc@sawicki.us>
1876
1877         * include/ext/rope (_Rope_iterator_base(const _Rope_iterator_base&))
1878         (_Rope_const_iterator::operator=(const _Rope_const_iterator&))
1879         (_Rope_iterator::operator=(const _Rope_iterator&)): Ensure
1880         copied/assigned rope iterators don't retain pointers to the iterator
1881         they were copied/assigned from.
1882         * testsuite/ext/rope/7.cc: New.
1883
1884 2018-08-13  Jonathan Wakely  <jwakely@redhat.com>
1885
1886         PR libstdc++/45093
1887         * include/bits/stl_tree.h (_Rb_tree::_M_destroy_node(_Link_type)):
1888         Combine definitions to avoid --detect-odr-violations warning.
1889
1890         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Use
1891         __is_pow2 to check for valid alignment. Avoid branching when rounding
1892         size to multiple of alignment.
1893
1894         * include/Makefile.am: Install <bit> and <version> for freestanding.
1895         * include/Makefile.in: Regenerate.
1896         * testsuite/17_intro/freestanding.cc: Check for <bit> and <version>.
1897
1898         Revert
1899         2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
1900
1901         PR target/85904
1902         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
1903         Newlib.
1904         * configure: Regenerate.
1905
1906 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
1907
1908         PR libstdc++/68210
1909         * doc/xml/manual/intro.xml: Document LWG 206 change.
1910         * libsupc++/del_op.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
1911         * libsupc++/del_opa.cc: Likewise.
1912         * libsupc++/del_opant.cc: Likewise.
1913         * libsupc++/del_opnt.cc: Likewise. Call operator delete(ptr) instead
1914         of free(ptr).
1915         * libsupc++/del_ops.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
1916         * libsupc++/del_opsa.cc: Likewise.
1917         * libsupc++/del_opva.cc: Likewise.
1918         * libsupc++/del_opvant.cc: Likewise.
1919         * libsupc++/del_opvnt.cc: Likewise. Call operator delete[](ptr)
1920         instead of operator delete(ptr).
1921         * libsupc++/del_opvs.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
1922         * libsupc++/del_opvsa.cc: Likewise.
1923         * libsupc++/new_op.cc: Use __builtin_expect in check for zero size.
1924         * libsupc++/new_opa.cc: Use nullptr instead of literal 0.
1925         * libsupc++/new_opant.cc: Likewise. Replace _GLIBCXX_USE_NOEXCEPT
1926         with noexcept.
1927         * libsupc++/new_opnt.cc: Likewise. Call operator new(sz) instead of
1928         malloc(sz).
1929         * libsupc++/new_opvant.cc: Use nullptr and noexcept.
1930         * libsupc++/new_opvnt.cc: Likewise. Call operator new[](sz) instead of
1931         operator new(sz, nothrow).
1932         * testsuite/18_support/new_nothrow.cc: New test.
1933
1934 2018-08-10  Martin Liska  <mliska@suse.cz>
1935
1936         * libsupc++/new_op.cc (new): Remove __builtin_expect as malloc
1937         predictor can handle that.
1938         * libsupc++/new_opa.cc: Likewise.
1939         * libsupc++/new_opnt.cc (new): Likewise.
1940
1941 2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
1942
1943         PR target/85904
1944         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
1945         Newlib.
1946         * configure: Regenerate.
1947
1948 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
1949
1950         * include/std/deque (std::pmr::deque): Declare alias.
1951         * include/std/forward_list (std::pmr::forward_list): Likewise.
1952         * include/std/list (std::pmr::list): Likewise.
1953         * include/std/map (std::pmr::map, std::pmr::multimap): Likewise.
1954         * include/std/regex (std::pmr::match_results, std::pmr::cmatch)
1955         (std::pmr::smatch, std::pmr::wcmatch, std::pmr::wsmatch): Likewise.
1956         * include/std/set (std::pmr::set, std::pmr::multiset): Likewise.
1957         * include/std/string (std::pmr::basic_string, std::pmr::string)
1958         (std::pmr::u16string, std::pmr::u32string, std::pmr::wstring):
1959         Likewise.
1960         * include/std/unordered_map (std::pmr::unordered_map)
1961         (std::pmr::unordered_multimap): Likewise.
1962         * include/std/unordered_set (std::pmr::unordered_set)
1963         (std::pmr::unordered_multiset): Likewise.
1964         * include/std/vector (std::pmr::vector): Likewise.
1965         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: New test.
1966         * testsuite/23_containers/deque/types/pmr_typedefs.cc: New test.
1967         * testsuite/23_containers/forward_list/pmr_typedefs.cc: New test.
1968         * testsuite/23_containers/list/pmr_typedefs.cc: New test.
1969         * testsuite/23_containers/map/pmr_typedefs.cc: New test.
1970         * testsuite/23_containers/multimap/pmr_typedefs.cc: New test.
1971         * testsuite/23_containers/multiset/pmr_typedefs.cc: New test.
1972         * testsuite/23_containers/set/pmr_typedefs.cc: New test.
1973         * testsuite/23_containers/unordered_map/pmr_typedefs.cc: New test.
1974         * testsuite/23_containers/unordered_multimap/pmr_typedefs.cc: New
1975         test.
1976         * testsuite/23_containers/unordered_multiset/pmr_typedefs.cc: New
1977         test.
1978         * testsuite/23_containers/unordered_set/pmr_typedefs.cc: New test.
1979         * testsuite/23_containers/vector/pmr_typedefs.cc: New test.
1980         * testsuite/28_regex/match_results/pmr_typedefs.cc: New test.
1981
1982 2018-08-08  François Dumont  <fdumont@gcc.gnu.org>
1983
1984         * include/bits/stl_algo.h
1985         (__rotate(_Ite, _Ite, _Ite, forward_iterator_tag))
1986         (__rotate(_Ite, _Ite, _Ite, bidirectional_iterator_tag))
1987         (__rotate(_Ite, _Ite, _Ite, random_access_iterator_tag)): Move code
1988         duplication...
1989         (rotate(_Ite, _Ite, _Ite)): ...here.
1990         (__stable_partition_adaptive(_FIt, _FIt, _Pred, _Dist, _Pointer, _Dist)):
1991         Simplify rotate call.
1992         (__rotate_adaptive(_BIt1, _BIt1, _BIt1, _Dist, _Dist, _Bit2, _Dist)):
1993         Likewise.
1994         (__merge_without_buffer(_BIt, _BIt, _BIt, _Dist, _Dist, _Comp)):
1995         Likewise.
1996
1997 2018-08-08  Jonathan Wakely  <jwakely@redhat.com>
1998
1999         * libsupc++/new_opa.cc (aligned_alloc): Declare inside namespace to
2000         avoid clashing with an ::aligned_alloc function that was not detected
2001         by configure.
2002
2003         * doc/xml/manual/using.xml: Fix markup for empty table entry.
2004         * doc/html/*: Regenerate.
2005
2006         * doc/xml/manual/using.xml: Add missing header to table and fix typo.
2007         * doc/html/*: Regenerate.
2008
2009         PR libstdc++/86597
2010         * include/bits/fs_dir.h (directory_entry::_M_file_type(error_code&)):
2011         Clear error_code when cached type is used.
2012         * testsuite/27_io/filesystem/directory_entry/86597.cc: New test.
2013
2014 2018-08-07  Jonathan Wakely  <jwakely@redhat.com>
2015
2016         PR libstdc++/86874
2017         * include/std/variant (_Copy_ctor_base::_M_destructive_move): Define
2018         here instead of in _Move_assign_base.
2019         (_Copy_ctor_base<true, _Types...>::_M_destructive_move): Define.
2020         (_Copy_assign_base::operator=): Use _M_destructive_move when changing
2021         the contained value to another alternative.
2022         (_Move_assign_base::operator=): Likewise.
2023         (_Move_assign_base::_M_destructive_move): Remove.
2024         * testsuite/20_util/variant/86874.cc: New test.
2025
2026         PR libstdc++/86861
2027         * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] (aligned_alloc):
2028         Replace macro with inline function.
2029         [__sun]: Increase alignment to meet memalign precondition.
2030         [!HAVE__ALIGNED_MALLOC && !HAVE_POSIX_MEMALIGN && !HAVE_MEMALIGN]
2031         (aligned_alloc): Move check for valid alignment to operator new.
2032         Remove redundant check for non-zero size, it's enforced by the caller.
2033         (operator new): Move check for valid alignment here. Use
2034         __builtin_expect on check for zero size.
2035
2036         * config/abi/pre/gnu.ver: Export monotonic_buffer_resource members.
2037         * include/std/memory_resource (monotonic_buffer_resource::release):
2038         Call _M_release_buffers to free buffers.
2039         (monotonic_buffer_resource::do_allocate): Call _M_new_buffer to
2040         allocate a new buffer from upstream.
2041         (monotonic_buffer_resource::_M_new_buffer): Declare.
2042         (monotonic_buffer_resource::_M_release_buffers): Declare.
2043         (monotonic_buffer_resource::_Chunk): Replace definition with
2044         declaration as opaque type.
2045         * src/c++17/memory_resource.cc (monotonic_buffer_resource::_Chunk):
2046         Define.
2047         (monotonic_buffer_resource::_M_new_buffer): Define.
2048         (monotonic_buffer_resource::_M_release_buffers): Define.
2049
2050 2018-08-05  François Dumont  <fdumont@gcc.gnu.org>
2051
2052         * include/bits/stl_iterator.h: Fix comment.
2053
2054 2018-08-03  Jonathan Wakely  <jwakely@redhat.com>
2055
2056         * src/c++11/system_error.cc
2057         (system_error_category::default_error_condition): Add workaround for
2058         ENOTEMPTY and EEXIST having the same value on AIX.
2059         * testsuite/19_diagnostics/error_category/system_category.cc: Add
2060         extra testcases for EDOM, EILSEQ, ERANGE, EEXIST and ENOTEMPTY.
2061
2062 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
2063
2064         * configure: Regenerate.
2065         * configure.ac: Add -D_GLIBCXX_ASSERTIONS to default DEBUG_FLAGS.
2066         * src/c++11/futex.cc: Use __glibcxx_assert instead of
2067         _GLIBCXX_DEBUG_ASSERT.
2068
2069 2018-08-01  Mike Crowe  <mac@mcrowe.com>
2070
2071         * include/std/condition_variable (wait_for): Use steady_clock.
2072
2073 2018-08-01  Mike Crowe  <mac@mcrowe.com>
2074
2075         * include/std/condition_variable (wait_until): Only report timeout
2076         if we really have timed out when measured against the
2077         caller-supplied clock.
2078         * testsuite/30_threads/condition_variable/members/2.cc: Add test
2079         case to confirm above behaviour.
2080
2081 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
2082
2083         PR libstdc++/60555
2084         * src/c++11/system_error.cc
2085         (system_error_category::default_error_condition): New override to
2086         check for POSIX errno values.
2087         * testsuite/19_diagnostics/error_category/generic_category.cc: New
2088         * testsuite/19_diagnostics/error_category/system_category.cc: New
2089         test.
2090
2091 2018-07-31  Jonathan Wakely  <jwakely@redhat.com>
2092
2093         PR libstdc++/86751
2094         * include/bits/stl_pair.h (__pair_base): New class with deleted copy
2095         assignment operator.
2096         (pair): Derive from __pair_base.
2097         (pair::operator=): Remove deleted overload.
2098         * python/libstdcxx/v6/printers.py (StdPairPrinter): New pretty printer
2099         so that new base class isn't shown in GDB.
2100         * testsuite/20_util/pair/86751.cc: New test.
2101         * testsuite/20_util/pair/ref_assign.cc: New test.
2102
2103         * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
2104         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Move definitions here.
2105         (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Likewise. Use !__is_identifier
2106         instead of __has_builtin.
2107         * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
2108         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Remove definitions from here.
2109         * include/std/version [!_GLIBCXX_HAS_GTHREADS]
2110         (__cpp_lib_shared_timed_mutex, __cpp_lib_scoped_lock)
2111         (__cpp_lib_shared_mutex): Don't define when Gthreads not in use.
2112         [!_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP]
2113         (__cpp_lib_has_unique_object_representations): Don't define when
2114         builtin not available.
2115         [!_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE] (__cpp_lib_is_aggregate):
2116         Likewise.
2117         [!_GLIBCXX_HAVE_BUILTIN_LAUNDER] (__cpp_lib_launder): Likewise.
2118         * libsupc++/new (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Remove definition
2119         from here.
2120
2121         * doc/xml/manual/test.xml: Improve documentation on writing tests for
2122         newer standards.
2123         * doc/xml/manual/using.xml: Document all headers for C++11 and later.
2124         * doc/html/*: Regenerate.
2125
2126         * include/ext/pointer.h [__cplusplus >= 201103L]
2127         (_Pointer_adapter::operator bool): Add explicit conversion operator
2128         to replace safe bool idiom.
2129
2130 2018-07-30  Jonathan Wakely  <jwakely@redhat.com>
2131
2132         PR libstdc++/86734
2133         * include/bits/stl_iterator.h (reverse_iterator::operator->): Call
2134         _S_to_pointer (LWG 1052, LWG 2118).
2135         (reverse_iterator::_S_to_pointer): Define overloaded helper functions.
2136         * testsuite/24_iterators/reverse_iterator/dr1052.cc: New test.
2137         * testsuite/24_iterators/reverse_iterator/dr2188.cc: New test.
2138
2139         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Add
2140         workaround for aligned_alloc bug on AIX.
2141         * testsuite/18_support/new_aligned.cc: New test.
2142
2143 2018-07-26  Marek Polacek  <polacek@redhat.com>
2144
2145         * testsuite/30_threads/condition_variable_any/cond.cc: New.
2146
2147 2018-07-26  Marek Polacek  <polacek@redhat.com>
2148
2149         * src/c++98/locale_init.cc: Fix #ifdef condition.
2150
2151 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
2152
2153         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: Add
2154         dg-require-cstdint directive.
2155         * testsuite/20_util/allocator/overaligned.cc: Likewise.
2156         * testsuite/20_util/any/cons/aligned.cc: Likewise.
2157         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: Likewise.
2158         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: Likewise.
2159         * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
2160         Likewise.
2161         * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
2162         * testsuite/23_containers/list/modifiers/insert/25288.cc: Likewise.
2163         * testsuite/23_containers/set/allocator/move_assign.cc: Likewise.
2164         * testsuite/25_algorithms/make_heap/complexity.cc: Likewise.
2165         * testsuite/25_algorithms/pop_heap/complexity.cc: Require cstdint and
2166         random_device effective-target.
2167         * testsuite/25_algorithms/push_heap/complexity.cc: Likewise.
2168         * testsuite/25_algorithms/sample/1.cc: Require cstdint.
2169         * testsuite/25_algorithms/sample/2.cc: Likewise.
2170         * testsuite/25_algorithms/sort_heap/complexity.cc: Require cstdint
2171         and random_device.
2172         * testsuite/26_numerics/headers/random/types_std_c++0x.cc: Require
2173         cstdint.
2174         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
2175         Likewise.
2176         * testsuite/26_numerics/random/discard_block_engine/requirements/
2177         constexpr_data.cc: Likewise.
2178         * testsuite/26_numerics/random/discard_block_engine/requirements/
2179         constexpr_functions.cc: Likewise.
2180         * testsuite/26_numerics/random/independent_bits_engine/requirements/
2181         constexpr_functions.cc: Likewise.
2182         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
2183         constexpr_data.cc: Likewise.
2184         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
2185         constexpr_functions.cc: Likewise.
2186         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
2187         constexpr_data.cc: Likewise.
2188         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
2189         constexpr_functions.cc: Likewise.
2190         * testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
2191         * testsuite/26_numerics/random/seed_seq/cons/65631.cc: Likewise.
2192         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
2193         constexpr_data.cc: Add dg-require-cstdint directive.
2194         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
2195         constexpr_functions.cc: Likewise.
2196         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
2197         constexpr_data.cc: Likewise.
2198         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
2199         constexpr_functions.cc: Likewise.
2200         * testsuite/26_numerics/random/uniform_real_distribution/operators/
2201         64351.cc: Likewise.
2202         * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc: Likewise.
2203         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
2204         * testsuite/experimental/algorithm/sample.cc: Likewise.
2205         * testsuite/experimental/algorithm/search.cc: Likewise.
2206         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2207         * testsuite/experimental/any/cons/aligned.cc: Likewise.
2208         * testsuite/experimental/memory_resource/new_delete_resource.cc:
2209         Likewise.
2210         * testsuite/experimental/memory_resource/resource_adaptor.cc: Likewise.
2211         * testsuite/experimental/random/randint.cc: Likewise.
2212         * testsuite/experimental/source_location/1.cc: Likewise.
2213         * testsuite/ext/bitmap_allocator/overaligned.cc: Likewise.
2214         * testsuite/ext/malloc_allocator/overaligned.cc: Likewise.
2215         * testsuite/ext/mt_allocator/overaligned.cc: Likewise.
2216         * testsuite/ext/new_allocator/overaligned.cc: Likewise.
2217         * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
2218         * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
2219         * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
2220         * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
2221         * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
2222         * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
2223         * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
2224         * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
2225         * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
2226         * testsuite/ext/pool_allocator/overaligned.cc: Likewise.
2227         * testsuite/ext/throw_allocator/check_allocate_max_size.cc: Likewise.
2228         * testsuite/ext/throw_allocator/check_deallocate_null.cc: Likewise.
2229         * testsuite/ext/throw_allocator/check_delete.cc: Likewise.
2230         * testsuite/ext/throw_allocator/check_new.cc: Likewise.
2231         * testsuite/ext/throw_allocator/deallocate_global.cc: Likewise.
2232         * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
2233         * testsuite/ext/throw_allocator/explicit_instantiation.cc: Likewise.
2234         * testsuite/ext/throw_allocator/variadic_construct.cc: Likewise.
2235         * testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Likewise.
2236
2237         * testsuite/30_threads/recursive_mutex/cons/1.cc: Likewise.
2238         * testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise.
2239         * testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise.
2240         * testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc:
2241         Likewise.
2242         * testsuite/30_threads/recursive_mutex/lock/1.cc: Likewise.
2243         * testsuite/30_threads/recursive_mutex/native_handle/1.cc: Likewise.
2244         * testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc:
2245         Likewise.
2246         * testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc:
2247         Likewise.
2248         * testsuite/30_threads/recursive_mutex/requirements/typedefs.cc:
2249         Likewise.
2250         * testsuite/30_threads/recursive_mutex/try_lock/1.cc: Likewise.
2251         * testsuite/30_threads/recursive_mutex/try_lock/2.cc: Likewise.
2252         * testsuite/30_threads/recursive_mutex/unlock/1.cc: Likewise.
2253         * testsuite/30_threads/recursive_mutex/unlock/2.cc: Likewise.
2254         * testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Likewise.
2255         * testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
2256         Likewise.
2257         * testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
2258         Likewise.
2259         * testsuite/30_threads/recursive_timed_mutex/dest/
2260         destructor_locked.cc: Likewise.
2261         * testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
2262         * testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
2263         * testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc:
2264         Likewise.
2265         * testsuite/30_threads/recursive_timed_mutex/native_handle/
2266         typesizes.cc: Likewise.
2267         * testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc:
2268         Likewise.
2269         * testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc:
2270         Likewise.
2271         * testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc:
2272         Likewise.
2273         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
2274         Likewise.
2275         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
2276         Likewise.
2277         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
2278         Likewise.
2279         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
2280         Likewise.
2281         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
2282         Likewise.
2283         * testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
2284         * testsuite/30_threads/recursive_timed_mutex/unlock/2.cc: Likewise.
2285         * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
2286         * testsuite/30_threads/scoped_lock/requirements/
2287         explicit_instantiation.cc: Likewise.
2288         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
2289         * testsuite/30_threads/shared_future/cons/assign.cc: Likewise.
2290         * testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise.
2291         * testsuite/30_threads/shared_future/cons/copy.cc: Likewise.
2292         * testsuite/30_threads/shared_future/cons/default.cc: Likewise.
2293         * testsuite/30_threads/shared_future/cons/move.cc: Likewise.
2294         * testsuite/30_threads/shared_future/cons/move_assign.cc: Likewise.
2295         * testsuite/30_threads/shared_future/members/45133.cc: Likewise.
2296         * testsuite/30_threads/shared_future/members/get.cc: Likewise.
2297         * testsuite/30_threads/shared_future/members/get2.cc: Likewise.
2298         * testsuite/30_threads/shared_future/members/valid.cc: Likewise.
2299         * testsuite/30_threads/shared_future/members/wait.cc: Likewise.
2300         * testsuite/30_threads/shared_future/members/wait_for.cc: Likewise.
2301         * testsuite/30_threads/shared_future/members/wait_until.cc: Likewise.
2302         * testsuite/30_threads/shared_future/requirements/
2303         explicit_instantiation.cc: Likewise.
2304         * testsuite/30_threads/shared_lock/cons/1.cc: Likewise.
2305         * testsuite/30_threads/shared_lock/cons/2.cc: Likewise.
2306         * testsuite/30_threads/shared_lock/cons/3.cc: Likewise.
2307         * testsuite/30_threads/shared_lock/cons/4.cc: Likewise.
2308         * testsuite/30_threads/shared_lock/cons/5.cc: Likewise.
2309         * testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
2310         * testsuite/30_threads/shared_lock/locking/1.cc: Likewise.
2311         * testsuite/30_threads/shared_lock/locking/2.cc: Likewise.
2312         * testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
2313         * testsuite/30_threads/shared_lock/locking/4.cc: Likewise.
2314         * testsuite/30_threads/shared_lock/modifiers/1.cc: Likewise.
2315         * testsuite/30_threads/shared_lock/requirements/
2316         explicit_instantiation.cc: Likewise.
2317         * testsuite/30_threads/shared_lock/requirements/typedefs.cc: Likewise.
2318         * testsuite/30_threads/shared_mutex/cons/1.cc: Likewise.
2319         * testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Likewise.
2320         * testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Likewise.
2321         * testsuite/30_threads/shared_mutex/requirements/standard_layout.cc:
2322         Likewise.
2323         * testsuite/30_threads/shared_mutex/try_lock/1.cc: Likewise.
2324         * testsuite/30_threads/shared_mutex/try_lock/2.cc: Likewise.
2325         * testsuite/30_threads/shared_mutex/unlock/1.cc: Likewise.
2326         * testsuite/30_threads/shared_timed_mutex/cons/1.cc: Likewise.
2327         * testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc: Likewise.
2328         * testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc: Likewise.
2329         * testsuite/30_threads/shared_timed_mutex/requirements/
2330         standard_layout.cc: Likewise.
2331         * testsuite/30_threads/shared_timed_mutex/try_lock/1.cc: Likewise.
2332         * testsuite/30_threads/shared_timed_mutex/try_lock/2.cc: Likewise.
2333         * testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: Likewise.
2334         * testsuite/30_threads/shared_timed_mutex/unlock/1.cc: Likewise.
2335         * testsuite/30_threads/this_thread/1.cc: Likewise.
2336         * testsuite/30_threads/this_thread/2.cc: Likewise.
2337         * testsuite/30_threads/this_thread/3.cc: Likewise.
2338         * testsuite/30_threads/this_thread/4.cc: Likewise.
2339         * testsuite/30_threads/this_thread/58038.cc: Likewise.
2340         * testsuite/30_threads/thread/70503.cc: Likewise.
2341         * testsuite/30_threads/thread/84532.cc: Likewise.
2342         * testsuite/30_threads/thread/adl.cc: Likewise.
2343         * testsuite/30_threads/thread/cons/1.cc: Likewise.
2344         * testsuite/30_threads/thread/cons/2.cc: Likewise.
2345         * testsuite/30_threads/thread/cons/3.cc: Likewise.
2346         * testsuite/30_threads/thread/cons/4.cc: Likewise.
2347         * testsuite/30_threads/thread/cons/49668.cc: Likewise.
2348         * testsuite/30_threads/thread/cons/5.cc: Likewise.
2349         * testsuite/30_threads/thread/cons/6.cc: Likewise.
2350         * testsuite/30_threads/thread/cons/7.cc: Likewise.
2351         * testsuite/30_threads/thread/cons/8.cc: Likewise.
2352         * testsuite/30_threads/thread/cons/84535.cc: Likewise.
2353         * testsuite/30_threads/thread/cons/9.cc: Likewise.
2354         * testsuite/30_threads/thread/cons/assign_neg.cc: Likewise.
2355         * testsuite/30_threads/thread/cons/copy_neg.cc: Likewise.
2356         * testsuite/30_threads/thread/cons/lwg2097.cc: Likewise.
2357         * testsuite/30_threads/thread/cons/moveable.cc: Likewise.
2358         * testsuite/30_threads/thread/cons/terminate.cc: Likewise.
2359         * testsuite/30_threads/thread/id/operators.cc: Likewise.
2360         * testsuite/30_threads/thread/members/1.cc: Likewise.
2361         * testsuite/30_threads/thread/members/2.cc: Likewise.
2362         * testsuite/30_threads/thread/members/3.cc: Likewise.
2363         * testsuite/30_threads/thread/members/4.cc: Likewise.
2364         * testsuite/30_threads/thread/members/5.cc: Likewise.
2365         * testsuite/30_threads/thread/members/hardware_concurrency.cc:
2366         Likewise.
2367         * testsuite/30_threads/thread/native_handle/cancel.cc: Likewise.
2368         * testsuite/30_threads/thread/swap/1.cc: Likewise.
2369         * testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
2370         * testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
2371         * testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
2372         * testsuite/30_threads/timed_mutex/dest/destructor_locked.cc: Likewise.
2373         * testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
2374         * testsuite/30_threads/timed_mutex/native_handle/1.cc: Likewise.
2375         * testsuite/30_threads/timed_mutex/native_handle/typesizes.cc:
2376         Likewise.
2377         * testsuite/30_threads/timed_mutex/requirements/
2378         standard_layout.cc: Likewise.
2379         * testsuite/30_threads/timed_mutex/requirements/typedefs.cc: Likewise.
2380         * testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
2381         * testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
2382         * testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
2383         * testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
2384         * testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
2385         * testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
2386         * testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
2387         * testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise.
2388         * testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
2389         * testsuite/30_threads/timed_mutex/unlock/2.cc: Likewise.
2390         * testsuite/30_threads/try_lock/1.cc: Likewise.
2391         * testsuite/30_threads/try_lock/2.cc: Likewise.
2392         * testsuite/30_threads/try_lock/3.cc: Likewise.
2393         * testsuite/30_threads/try_lock/4.cc: Likewise.
2394         * testsuite/30_threads/unique_lock/cons/1.cc: Likewise.
2395         * testsuite/30_threads/unique_lock/cons/2.cc: Likewise.
2396         * testsuite/30_threads/unique_lock/cons/3.cc: Likewise.
2397         * testsuite/30_threads/unique_lock/cons/4.cc: Likewise.
2398         * testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
2399         * testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
2400         * testsuite/30_threads/unique_lock/locking/1.cc: Likewise.
2401         * testsuite/30_threads/unique_lock/locking/2.cc: Likewise.
2402         * testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
2403         * testsuite/30_threads/unique_lock/locking/4.cc: Likewise.
2404         * testsuite/30_threads/unique_lock/modifiers/1.cc: Likewise.
2405         * testsuite/30_threads/unique_lock/requirements/
2406         explicit_instantiation.cc: Likewise.
2407         * testsuite/30_threads/unique_lock/requirements/typedefs.cc: Likewise.
2408
2409         * testsuite/30_threads/async/42819.cc: Remove dg-require-cstdint
2410         directive.
2411         * testsuite/30_threads/async/49668.cc: Likewise.
2412         * testsuite/30_threads/async/54297.cc: Likewise.
2413         * testsuite/30_threads/async/84532.cc: Likewise.
2414         * testsuite/30_threads/async/any.cc: Likewise.
2415         * testsuite/30_threads/async/async.cc: Likewise.
2416         * testsuite/30_threads/async/except.cc: Likewise.
2417         * testsuite/30_threads/async/forced_unwind.cc: Likewise.
2418         * testsuite/30_threads/async/launch.cc: Likewise.
2419         * testsuite/30_threads/async/lwg2021.cc: Likewise.
2420         * testsuite/30_threads/async/sync.cc: Likewise.
2421         * testsuite/30_threads/call_once/39909.cc: Likewise.
2422         * testsuite/30_threads/call_once/49668.cc: Likewise.
2423         * testsuite/30_threads/call_once/60497.cc: Likewise.
2424         * testsuite/30_threads/call_once/call_once1.cc: Likewise.
2425         * testsuite/30_threads/call_once/constexpr.cc: Likewise.
2426         * testsuite/30_threads/call_once/dr2442.cc: Likewise.
2427         * testsuite/30_threads/call_once/once_flag.cc: Likewise.
2428         * testsuite/30_threads/condition_variable/54185.cc: Likewise.
2429         * testsuite/30_threads/condition_variable/cons/1.cc: Likewise.
2430         * testsuite/30_threads/condition_variable/cons/assign_neg.cc:
2431         Likewise.
2432         * testsuite/30_threads/condition_variable/cons/copy_neg.cc: Likewise.
2433         * testsuite/30_threads/condition_variable/members/1.cc: Likewise.
2434         * testsuite/30_threads/condition_variable/members/2.cc: Likewise.
2435         * testsuite/30_threads/condition_variable/members/3.cc: Likewise.
2436         * testsuite/30_threads/condition_variable/members/53841.cc: Likewise.
2437         * testsuite/30_threads/condition_variable/members/68519.cc: Likewise.
2438         * testsuite/30_threads/condition_variable/native_handle/typesizes.cc:
2439         Likewise.
2440         * testsuite/30_threads/condition_variable/requirements/
2441         standard_layout.cc: Likewise.
2442         * testsuite/30_threads/condition_variable/requirements/typedefs.cc:
2443         * Likewise.
2444         * testsuite/30_threads/condition_variable_any/50862.cc: Likewise.
2445         * testsuite/30_threads/condition_variable_any/53830.cc: Likewise.
2446         * testsuite/30_threads/condition_variable_any/cons/1.cc: Likewise.
2447         * testsuite/30_threads/condition_variable_any/cons/assign_neg.cc:
2448         Likewise.
2449         * testsuite/30_threads/condition_variable_any/cons/copy_neg.cc:
2450         Likewise.
2451         * testsuite/30_threads/condition_variable_any/members/1.cc: Likewise.
2452         * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
2453         * testsuite/30_threads/future/cons/assign_neg.cc: Likewise.
2454         * testsuite/30_threads/future/cons/constexpr.cc: Likewise.
2455         * testsuite/30_threads/future/cons/copy_neg.cc: Likewise.
2456         * testsuite/30_threads/future/cons/default.cc: Likewise.
2457         * testsuite/30_threads/future/cons/move.cc: Likewise.
2458         * testsuite/30_threads/future/cons/move_assign.cc: Likewise.
2459         * testsuite/30_threads/future/members/45133.cc: Likewise.
2460         * testsuite/30_threads/future/members/get.cc: Likewise.
2461         * testsuite/30_threads/future/members/get2.cc: Likewise.
2462         * testsuite/30_threads/future/members/share.cc: Likewise.
2463         * testsuite/30_threads/future/members/valid.cc: Likewise.
2464         * testsuite/30_threads/future/members/wait.cc: Likewise.
2465         * testsuite/30_threads/future/members/wait_for.cc: Likewise.
2466         * testsuite/30_threads/future/members/wait_until.cc: Likewise.
2467         * testsuite/30_threads/future/requirements/explicit_instantiation.cc:
2468         Likewise.
2469         * testsuite/30_threads/headers/condition_variable/types_std_c++0x.cc:
2470         Likewise.
2471         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
2472         * testsuite/30_threads/headers/mutex/types_std_c++0x.cc: Likewise.
2473         * testsuite/30_threads/headers/thread/std_c++0x_neg.cc: Likewise.
2474         * testsuite/30_threads/headers/thread/types_std_c++0x.cc: Likewise.
2475         * testsuite/30_threads/lock/1.cc: Likewise.
2476         * testsuite/30_threads/lock/2.cc: Likewise.
2477         * testsuite/30_threads/lock/3.cc: Likewise.
2478         * testsuite/30_threads/lock/4.cc: Likewise.
2479         * testsuite/30_threads/lock_guard/cons/1.cc: Likewise.
2480         * testsuite/30_threads/lock_guard/requirements/
2481         explicit_instantiation.cc: Likewise.
2482         * testsuite/30_threads/lock_guard/requirements/typedefs.cc: Likewise.
2483         * testsuite/30_threads/mutex/cons/1.cc: Likewise.
2484         * testsuite/30_threads/mutex/cons/assign_neg.cc: Likewise.
2485         * testsuite/30_threads/mutex/cons/constexpr.cc: Likewise.
2486         * testsuite/30_threads/mutex/cons/copy_neg.cc: Likewise.
2487         * testsuite/30_threads/mutex/dest/destructor_locked.cc: Likewise.
2488         * testsuite/30_threads/mutex/lock/1.cc: Likewise.
2489         * testsuite/30_threads/mutex/native_handle/1.cc: Likewise.
2490         * testsuite/30_threads/mutex/native_handle/typesizes.cc: Likewise.
2491         * testsuite/30_threads/mutex/requirements/standard_layout.cc::
2492         Likewise.
2493         * testsuite/30_threads/mutex/requirements/typedefs.cc: Likewise.
2494         * testsuite/30_threads/mutex/try_lock/1.cc: Likewise.
2495         * testsuite/30_threads/mutex/try_lock/2.cc: Likewise.
2496         * testsuite/30_threads/mutex/unlock/1.cc: Likewise.
2497         * testsuite/30_threads/mutex/unlock/2.cc: Likewise.
2498         * testsuite/30_threads/once_flag/cons/constexpr.cc: Likewise.
2499         * testsuite/30_threads/packaged_task/49668.cc: Likewise.
2500         * testsuite/30_threads/packaged_task/60564.cc: Likewise.
2501         * testsuite/30_threads/packaged_task/cons/1.cc: Likewise.
2502         * testsuite/30_threads/packaged_task/cons/2.cc: Likewise.
2503         * testsuite/30_threads/packaged_task/cons/3.cc: Likewise.
2504         * testsuite/30_threads/packaged_task/cons/56492.cc: Likewise.
2505         * testsuite/30_threads/packaged_task/cons/alloc.cc: Likewise.
2506         * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
2507         * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
2508         * testsuite/30_threads/packaged_task/cons/assign_neg.cc: Likewise.
2509         * testsuite/30_threads/packaged_task/cons/copy_neg.cc: Likewise.
2510         * testsuite/30_threads/packaged_task/cons/move.cc: Likewise.
2511         * testsuite/30_threads/packaged_task/cons/move_assign.cc: Likewise.
2512         * testsuite/30_threads/packaged_task/members/at_thread_exit.cc:
2513         Likewise.
2514         * testsuite/30_threads/packaged_task/members/get_future.cc: Likewise.
2515         * testsuite/30_threads/packaged_task/members/get_future2.cc: Likewise.
2516         * testsuite/30_threads/packaged_task/members/invoke.cc: Likewise.
2517         * testsuite/30_threads/packaged_task/members/invoke2.cc: Likewise.
2518         * testsuite/30_threads/packaged_task/members/invoke3.cc: Likewise.
2519         * testsuite/30_threads/packaged_task/members/invoke4.cc: Likewise.
2520         * testsuite/30_threads/packaged_task/members/invoke5.cc: Likewise.
2521         * testsuite/30_threads/packaged_task/members/reset.cc: Likewise.
2522         * testsuite/30_threads/packaged_task/members/reset2.cc: Likewise.
2523         * testsuite/30_threads/packaged_task/members/swap.cc: Likewise.
2524         * testsuite/30_threads/packaged_task/members/valid.cc: Likewise.
2525         * testsuite/30_threads/packaged_task/requirements/
2526         explicit_instantiation.cc: Likewise.
2527         * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
2528         * testsuite/30_threads/promise/60966.cc: Likewise.
2529         * testsuite/30_threads/promise/69106.cc: Likewise.
2530         * testsuite/30_threads/promise/cons/1.cc: Likewise.
2531         * testsuite/30_threads/promise/cons/alloc.cc: Likewise.
2532         * testsuite/30_threads/promise/cons/alloc2.cc: Likewise.
2533         * testsuite/30_threads/promise/cons/alloc_min.cc: Likewise.
2534         * testsuite/30_threads/promise/cons/assign_neg.cc: Likewise.
2535         * testsuite/30_threads/promise/cons/copy_neg.cc: Likewise.
2536         * testsuite/30_threads/promise/cons/move.cc: Likewise.
2537         * testsuite/30_threads/promise/cons/move_assign.cc: Likewise.
2538         * testsuite/30_threads/promise/members/at_thread_exit.cc: Likewise.
2539         * testsuite/30_threads/promise/members/at_thread_exit2.cc: Likewise.
2540         * testsuite/30_threads/promise/members/get_future.cc: Likewise.
2541         * testsuite/30_threads/promise/members/get_future2.cc: Likewise.
2542         * testsuite/30_threads/promise/members/set_exception.cc: Likewise.
2543         * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
2544         * testsuite/30_threads/promise/members/set_value.cc: Likewise.
2545         * testsuite/30_threads/promise/members/set_value2.cc: Likewise.
2546         * testsuite/30_threads/promise/members/set_value3.cc: Likewise.
2547         * testsuite/30_threads/promise/members/swap.cc: Likewise.
2548         * testsuite/30_threads/promise/requirements/explicit_instantiation.cc:
2549         * Likewise.
2550         * testsuite/30_threads/promise/uses_allocator.cc: Likewise.
2551
2552         * testsuite/18_support/numeric_limits/char16_32_t.cc: Qualify names
2553         from namespace std.
2554         * testsuite/20_util/align/2.cc: Remove dg-require-cstdint directive.
2555         * testsuite/20_util/duration/arithmetic/1.cc: Likewise.
2556         * testsuite/20_util/duration/arithmetic/2.cc: Likewise.
2557         * testsuite/20_util/duration/arithmetic/dr2020.cc: Likewise.
2558         * testsuite/20_util/duration/arithmetic/dr934-1.cc: Likewise.
2559         * testsuite/20_util/duration/arithmetic/dr934-2.cc: Likewise.
2560         * testsuite/20_util/duration/comparison_operators/1.cc: Likewise.
2561         * testsuite/20_util/duration/cons/1.cc: Likewise.
2562         * testsuite/20_util/duration/cons/1_neg.cc: Likewise.
2563         * testsuite/20_util/duration/cons/2.cc: Likewise.
2564         * testsuite/20_util/duration/cons/54025.cc: Likewise.
2565         * testsuite/20_util/duration/cons/dr974_neg.cc: Likewise.
2566         * testsuite/20_util/duration/requirements/explicit_instantiation/
2567         explicit_instantiation.cc: Likewise.
2568         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
2569         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
2570         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
2571         * testsuite/20_util/make_signed/requirements/typedefs-4.cc: Likewise.
2572         * testsuite/20_util/ratio/comparisons/comp1.cc: Likewise.
2573         * testsuite/20_util/ratio/comparisons/comp2.cc: Likewise.
2574         * testsuite/20_util/ratio/comparisons/comp3.cc: Likewise.
2575         * testsuite/20_util/ratio/cons/cons1.cc: Likewise.
2576         * testsuite/20_util/ratio/operations/45866.cc: Likewise.
2577         * testsuite/20_util/ratio/operations/47913.cc: Likewise.
2578         * testsuite/20_util/ratio/operations/53840.cc: Likewise.
2579         * testsuite/20_util/ratio/operations/ops1.cc: Likewise.
2580         * testsuite/20_util/shared_ptr/atomic/3.cc: Likewise.
2581         * testsuite/20_util/system_clock/1.cc: Likewise.
2582         * testsuite/20_util/time_point/1.cc: Likewise.
2583         * testsuite/20_util/time_point/2.cc: Likewise.
2584         * testsuite/20_util/time_point/3.cc: Likewise.
2585         * testsuite/20_util/time_point/requirements/explicit_instantiation/
2586         explicit_instantiation.cc: Likewise.
2587         * testsuite/21_strings/basic_string/requirements/
2588         explicit_instantiation/char16_t/1.cc: Likewise.
2589         * testsuite/21_strings/basic_string/requirements/
2590         explicit_instantiation/char32_t/1.cc: Likewise.
2591         * testsuite/21_strings/basic_string_view/requirements/
2592         explicit_instantiation/char16_t/1.cc: Likewise.
2593         * testsuite/21_strings/basic_string_view/requirements/
2594         explicit_instantiation/char32_t/1.cc: Likewise.
2595         * testsuite/21_strings/char_traits/requirements/
2596         explicit_instantiation/char16_t/1.cc: Likewise.
2597         * testsuite/21_strings/char_traits/requirements/
2598         explicit_instantiation/char32_t/1.cc: Likewise.
2599         * testsuite/21_strings/headers/string/types_std_c++0x.cc: Likewise.
2600         * testsuite/22_locale/codecvt/char16_t.cc: Likewise.
2601         * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
2602         * testsuite/22_locale/codecvt/codecvt_utf16/requirements/1.cc:
2603         Likewise.
2604         * testsuite/22_locale/codecvt/codecvt_utf8/requirements/1.cc:
2605         Likewise.
2606         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/requirements/1.cc:
2607         Likewise.
2608         * testsuite/22_locale/codecvt/utf8.cc: Likewise.
2609         * testsuite/23_containers/vector/bool/72847.cc: Likewise.
2610         * testsuite/23_containers/vector/debug/multithreaded_swap.cc:
2611         Likewise.
2612         * testsuite/experimental/string_view/requirements/
2613         explicit_instantiation/char16_t/1.cc: Likewise.
2614         * testsuite/experimental/string_view/requirements/
2615         explicit_instantiation/char32_t/1.cc: Likewise.
2616         * testsuite/ext/vstring/requirements/explicit_instantiation/char16_t/
2617         1.cc: Likewise.
2618         * testsuite/ext/vstring/requirements/explicit_instantiation/char32_t/
2619         1.cc: Likewise.
2620
2621         * include/ext/throw_allocator.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2622         (random_condition, throw_value_random, throw_allocator_random)
2623         (std::hash<throw_value_random>): Do not define when <tr1/random> is
2624         not usable.
2625         * src/c++11/cow-stdexcept.cc [!_GLIBCXX_USE_C99_STDINT_TR1]: Do not
2626         define transactional memory support when <stdint.h> is not usable.
2627
2628         * include/bits/hashtable_policy.h (__detail::__clp2): Use faster
2629         implementation that doesn't depend on <stdint.h> types.
2630         * include/std/memory (align) [!_GLIBCXX_USE_C99_STDINT_TR1]: Use
2631         std::size_t when std::uintptr_t is not usable.
2632         [!_GLIBCXX_USE_C99_STDINT_TR1] (pointer_safety, declare_reachable)
2633         (undeclare_reachable, declare_no_pointers, undeclare_no_pointers):
2634         Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
2635
2636         * include/bits/basic_string.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2637         (hash<u16string>, hash<u32string>): Remove dependency on
2638         _GLIBCXX_USE_C99_STDINT_TR1.
2639         * include/bits/char_traits.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2640         (char_traits<char16_t>, char_traits<char32_t>): Remove dependency on
2641         _GLIBCXX_USE_C99_STDINT_TR1. Use __UINT_LEAST16_TYPE__ and
2642         __UINT_LEAST32_TYPE__ or make_unsigned when <stdint.h> is not usable.
2643         * include/bits/codecvt.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2644         (codecvt<char16_t, char, mbstate_t>)
2645         (codecvt<char32_t, char, mbstate_t>)
2646         (codecvt_byname<char16_t, char, mbstate_t>)
2647         (codecvt_byname<char32_t, char, mbstate_t>): Remove dependency
2648         on _GLIBCXX_USE_C99_STDINT_TR1.
2649         * include/bits/locale_facets.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2650         (_GLIBCXX_NUM_UNICODE_FACETS): Likewise.
2651         * include/bits/stringfwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2652         (char_traits<char16_t>, char_traits<char32_t>)
2653         (basic_string<char16_t>, basic_string<char32_t>): Remove dependency
2654         on _GLIBCXX_USE_C99_STDINT_TR1.
2655         * include/experimental/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
2656         (u16string_view, u32string_view, hash<u16string_view>)
2657         (hash<u32string_view>, operator""sv(const char16_t, size_t))
2658         (operator""sv(const char32_t, size_t)): Likewise.
2659         * include/ext/vstring.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2660         (hash<__u16vstring>, hash<__u32vstring>): Likewise.
2661         * include/ext/vstring_fwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2662         (__u16vstring, __u16sso_string, __u16rc_string, __u32vstring)
2663         (__u32sso_string, __u32rc_string): Likewise.
2664         * include/std/codecvt [!_GLIBCXX_USE_C99_STDINT_TR1] (codecvt_mode)
2665         (codecvt_utf8, codecvt_utf16, codecvt_utf8_utf16): Likewise.
2666         * include/std/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
2667         (u16string_view, u32string_view, hash<u16string_view>)
2668         (hash<u32string_view>, operator""sv(const char16_t, size_t))
2669         (operator""sv(const char32_t, size_t)): Likewise.
2670         * src/c++11/codecvt.cc: Likewise.
2671         * src/c++98/locale_init.cc: Likewise.
2672         * src/c++98/localename.cc: Likewise.
2673
2674         * include/bits/atomic_futex.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2675         (__atomic_futex_unsigned_base): Remove dependency on
2676         _GLIBCXX_USE_C99_STDINT_TR1 macro.
2677         * include/bits/unique_lock.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2678         (unique_lock): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1.
2679         * include/c_global/cstdint [!_GLIBCXX_USE_C99_STDINT_TR1] (intmax_t)
2680         (uintmax_t): Define using predefined macros.
2681         * include/std/chrono [!_GLIBCXX_USE_C99_STDINT_TR1] (duration)
2682         (time_point, system_clock, high_resolution_clock, steady_clock): Remove
2683         dependency on _GLIBCXX_USE_C99_STDINT_TR1 macro.
2684         (nanoseconds, microseconds, milliseconds, seconds, minutes, hours):
2685         [!_GLIBCXX_USE_C99_STDINT_TR1]: Define using __INT64_TYPE__ or
2686         long long when <stdint.h> is not usable.
2687         * include/std/condition_variable [!_GLIBCXX_USE_C99_STDINT_TR1]
2688         (condition_variable, condition_variable_any): Remove dependency on
2689         _GLIBCXX_USE_C99_STDINT_TR1.
2690         * include/std/future [!_GLIBCXX_USE_C99_STDINT_TR1] (future, promise)
2691         (packaged_task, async): Likewise.
2692         * include/std/mutex [!_GLIBCXX_USE_C99_STDINT_TR1] (recursive_mutex)
2693         (timed_mutex, recursive_timed_mutex, try_lock, lock, scoped_lock)
2694         (once_flag, call_once): Likewise.
2695         * include/std/ratio [!_GLIBCXX_USE_C99_STDINT_TR1] (ratio): Likewise.
2696         * include/std/shared_mutex [!_GLIBCXX_USE_C99_STDINT_TR1]
2697         (shared_mutex, shared_timed_mutex, shared_lock): Likewise.
2698         * include/std/thread [!_GLIBCXX_USE_C99_STDINT_TR1] (thread)
2699         (this_thread::get_id, this_thread::yield, this_thread::sleep_for)
2700         (this_thread::sleep_until): Likewise.
2701         * src/c++11/chrono.cc: Remove dependency on
2702         _GLIBCXX_USE_C99_STDINT_TR1 macro.
2703         * src/c++11/condition_variable.cc: Likewise.
2704         * src/c++11/futex.cc: Likewise.
2705         * src/c++11/future.cc: Likewise.
2706         * src/c++11/mutex.cc: Likewise.
2707         * src/c++11/thread.cc: Likewise.
2708         * testsuite/20_util/duration/literals/range_neg.cc: Adjust dg-error.
2709         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
2710         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
2711         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
2712         * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Likewise.
2713         * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
2714
2715 2018-07-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2716
2717         PR libstdc++/77691
2718         * testsuite/experimental/memory_resource/new_delete_resource.cc:
2719         xfail execution on 32-bit Solaris/x86.
2720
2721 2018-07-26  Marc Glisse  <marc.glisse@inria.fr>
2722
2723         * include/bits/stl_vector.h (_Vector_impl_data::_M_copy_data): New.
2724         (_Vector_impl_data::_M_swap_data): Use _M_copy_data.
2725         (vector::_M_move_assign): Reorder the swaps.
2726
2727 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
2728
2729         PR libstdc++/86676
2730         * testsuite/20_util/monotonic_buffer_resource/release.cc: Request
2731         same alignment for post-release allocation.
2732
2733 2018-07-25  Jonathan Wakely  <jwakely@redhat.com>
2734
2735         PR libstdc++/86676
2736         * testsuite/20_util/monotonic_buffer_resource/release.cc: Allow for
2737         buffer being misaligned and so returned pointer not being at start.
2738
2739         * include/experimental/memory_resource: Include <cstddef> header.
2740
2741         * acinclude.m4 (glibcxx_SUBDIRS): Add src/c++17.
2742         * src/Makefile.am: Add comment.
2743         * src/c++17/Makefile.in: Regenerate.
2744
2745         * include/Makefile.am: Add new <bits/unique_lock.h> header.
2746         * include/Makefile.in: Regenerate.
2747         * include/bits/std_mutex.h [!_GLIBCXX_USE_C99_STDINT_TR1] (mutex)
2748         (lock_guard): Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
2749         (unique_lock): Move definition to ...
2750         * include/bits/unique_lock.h: New header.
2751         [!_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock): Define unconditionally.
2752         [_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock(mutex_type&, time_point))
2753         (unique_lock(mutex_type&, duration), unique_lock::try_lock_until)
2754         (unique_lock::try_lock_for): Define only when <chrono> is usable.
2755         * include/std/condition_variable: Include <bits/unique_lock.h>.
2756         * include/std/mutex: Likewise.
2757
2758 2018-07-24  Jonathan Wakely  <jwakely@redhat.com>
2759
2760         * config/abi/pre/gnu.ver: Export new symbols.
2761         * configure: Regenerate.
2762         * include/Makefile.am: Add new <memory_resource> header.
2763         * include/Makefile.in: Regenerate.
2764         * include/precompiled/stdc++.h: Include <memory_resource> for C++17.
2765         * include/std/memory_resource: New header.
2766         (memory_resource, polymorphic_allocator, new_delete_resource)
2767         (null_memory_resource, set_default_resource, get_default_resource)
2768         (pool_options, monotonic_buffer_resource): Define.
2769         * src/Makefile.am: Add c++17 directory.
2770         * src/Makefile.in: Regenerate.
2771         * src/c++11/Makefile.am: Fix comment.
2772         * src/c++17/Makefile.am: Add makefile for new sub-directory.
2773         * src/c++17/Makefile.in: Generate.
2774         * src/c++17/memory_resource.cc: New.
2775         (newdel_res_t, null_res_t, constant_init, newdel_res, null_res)
2776         (default_res, new_delete_resource, null_memory_resource)
2777         (set_default_resource, get_default_resource): Define.
2778         * testsuite/20_util/memory_resource/1.cc: New test.
2779         * testsuite/20_util/memory_resource/2.cc: New test.
2780         * testsuite/20_util/monotonic_buffer_resource/1.cc: New test.
2781         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: New test.
2782         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: New test.
2783         * testsuite/20_util/monotonic_buffer_resource/release.cc: New test.
2784         * testsuite/20_util/monotonic_buffer_resource/upstream_resource.cc:
2785         New test.
2786         * testsuite/20_util/polymorphic_allocator/1.cc: New test.
2787         * testsuite/20_util/polymorphic_allocator/resource.cc: New test.
2788         * testsuite/20_util/polymorphic_allocator/select.cc: New test.
2789         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
2790         Define concrete memory resource for testing.
2791         (__gnu_test::default_resource_mgr): Define RAII helper for changing
2792         default resource.
2793
2794         PR libstdc++/86658
2795         * include/bits/stl_algobase.h (__niter_wrap<_Iterator>): Pass unused
2796         parameter by reference, to avoid copying invalid iterators.
2797         * testsuite/25_algorithms/copy/86658.cc: New test.
2798
2799         * include/std/bit (__countl_zero, __countr_zero, __popcount): Use
2800         local variables for number of digits instead of type aliases.
2801         (__log2p1): Remove redundant branch also checked in __countl_zero.
2802
2803         * include/bits/uses_allocator.h (__is_erased_or_convertible): Reorder
2804         conditions. Add comments.
2805         * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error line.
2806         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
2807         * testsuite/20_util/scoped_allocator/69293_neg.cc: Likewise.
2808
2809         * include/bits/uses_allocator.h (__is_erased_or_convertible): Remove.
2810         (__uses_allocator_helper): Check conditions directly instead of
2811         using __is_erased_or_convertible.
2812
2813         * include/experimental/memory_resource: Adjust comments and
2814         whitespace.
2815         (__resource_adaptor_imp): Add second template parameter for type of
2816         memory resource base class.
2817         (memory_resource): Define default constructor, destructor, copy
2818         constructor and copy assignment operator as defaulted.
2819
2820         PR libstdc++/70966
2821         * include/experimental/memory_resource (__get_default_resource): Use
2822         placement new to create an object with dynamic storage duration.
2823
2824 2018-07-23  Jonathan Wakely  <jwakely@redhat.com>
2825
2826         PR libstdc++/70940
2827         * include/experimental/memory_resource
2828         (__resource_adaptor_common::_AlignMgr::_M_unadjust): Add assertion.
2829         (__resource_adaptor_common::__guaranteed_alignment): New helper to
2830         give maximum alignment an allocator guarantees. Specialize for known
2831         allocators using new and malloc.
2832         (__resource_adaptor_imp::do_allocate): Use __guaranteed_alignment.
2833         (__resource_adaptor_imp::do_deallocate): Likewise.
2834         * testsuite/experimental/memory_resource/new_delete_resource.cc:
2835         Check that new and delete are called with expected sizes.
2836
2837 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
2838
2839         PR libstdc++/86595
2840         * include/bits/fs_dir.h (directory_entry::refresh(error_code&)): Add
2841         noexcept.
2842
2843 2018-07-20  Fangrui Song  <maskray@google.com>
2844
2845         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Use
2846         _GLIBCXX_VISIBILITY(default).
2847
2848 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
2849
2850         PR libstdc++/86603
2851         * include/std/version: Move __cpp_lib_list_remove_return_type macro.
2852
2853 2018-07-19  Jonathan Wakely  <jwakely@redhat.com>
2854
2855         * include/std/type_traits (__is_member_object_pointer_helper): Use
2856         __not_<is_function<_Tp>>::type instead of integral_constant.
2857         (__is_member_function_pointer_helper): Likewise for
2858         is_function<_Tp>::type.
2859         (is_compund): Likewise for __not_<is_fundamental<_Tp>>::type.
2860         (__do_is_nt_destructible_impl): Use __bool_constant and reindent.
2861         (is_trivially_constructible): Remove redundant use of
2862         is_constructible.
2863         (__is_trivially_copy_assignable_impl): Remove redundant use of
2864         is_copy_assignable.
2865         (__is_trivially_move_assignable_impl): Remove redundant use of
2866         is_move_assignable.
2867         (is_trivially_destructible): Use __bool_constant.
2868         * testsuite/20_util/is_trivially_assignable/value.cc: Add some more
2869         tests for scalar types.
2870
2871 2018-07-19  Glen Joseph Fernandes  <glenjofe@gmail.com>
2872
2873         * include/bits/stl_algobase.h (__copy_move_a): Used
2874         __is_trivially_copyable.
2875         (__copy_move_backward_a): Likewise.
2876         * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
2877         New test.
2878
2879 2018-07-17  Jonathan Wakely  <jwakely@redhat.com>
2880
2881         PR libstdc++/86450
2882         * acinclude.m4 (GLIBCXX_CHECK_COMPILER_FEATURES): Don't define WERROR.
2883         (GLIBCXX_EXPORT_FLAGS): Use -Wabi=2 instead of -Wabi.
2884         * configure: Regenerate.
2885         * configure.ac: Change GLIBCXX_ENABLE_WERROR default to "no".
2886         * doc/Makefile.in: Regenerate.
2887         * fragment.am: Set WERROR_FLAG to -Werror instead of $(WERROR).
2888         * include/Makefile.in: Regenerate.
2889         * libsupc++/Makefile.in: Regenerate.
2890         * po/Makefile.in: Regenerate.
2891         * python/Makefile.in: Regenerate.
2892         * src/Makefile.in: Regenerate.
2893         * src/c++11/Makefile.in: Regenerate.
2894         * src/c++11/debug.cc: Use diagnostic pragmas to suppress warnings
2895         from -Wabi=2 that don't affect exported symbols.
2896         * src/c++98/Makefile.in: Regenerate.
2897         * src/filesystem/Makefile.in: Regenerate.
2898         * testsuite/Makefile.in: Regenerate.
2899
2900         * src/c++11/compatibility-thread-c++0x.cc [_GLIBCXX_SHARED]
2901         (_Async_state_common::_M_join): Simplify use of std::call_once and
2902         corresponding explicit instantiation.
2903         (_Maybe_wrap_member_pointer, _Bind_simple, _Bind_simple_helper)
2904         (__bind_simple): Remove definitions and explicit instantiation that
2905         are not required by exported symbols.
2906
2907 2018-07-16  Jonathan Wakely  <jwakely@redhat.com>
2908
2909         * scripts/create_testsuite_files: Fix typo in comment.
2910
2911         PR libstdc++/86537
2912         * include/bits/shared_ptr.h (less<shared_ptr<_Tp>>): Remove
2913         non-standard partial specialization.
2914         * include/bits/shared_ptr_base.h (_Sp_less): Remove class definition.
2915         (less<__shared_ptr<_Tp, _Lp>): Remove partial specialization.
2916         * testsuite/20_util/shared_ptr/comparison/86537.cc: New test.
2917
2918 2018-07-16  Andreas Krebbel  <krebbel@linux.ibm.com>
2919
2920         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
2921         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
2922         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
2923
2924 2018-07-06  François Dumont  <fdumont@gcc.gnu.org>
2925
2926         * include/debug/functions.h (__gnu_debug::__check_string): Move...
2927         * include/debug/string (__gnu_debug::__check_string): ... here.
2928         (_GLIBCXX_DEBUG_VERIFY_STR_COND_AT): New.
2929         (__glibcxx_check_string_n_constructor): New.
2930         (__gnu_debug::basic_string<>(const _CharT*, size_type, const _Alloc&)):
2931         Use latter.
2932         (__glibcxx_check_string_constructor): New.
2933         (__gnu_debug::basic_string<>(const _CharT*, const _Alloc&)):
2934         Use latter.
2935         * testsuite/21_strings/basic_string/debug/1_neg.cc: New.
2936         * testsuite/21_strings/basic_string/debug/2_neg.cc: New.
2937
2938 2018-07-06  Jonathan Wakely  <jwakely@redhat.com>
2939
2940         PR libstdc++/84928 use std::move in <numeric> algorithms
2941         * include/bits/stl_numeric.h (_GLIBCXX_MOVE_IF_20): Define macro to
2942         conditionally move, according to __cplusplus value.
2943         (accumulate, inner_product, partial_sum, adjacent_difference): Use
2944         _GLIBCXX_MOVE_IF_20.
2945         * testsuite/26_numerics/accumulate/lwg2055.cc: New test.
2946         * testsuite/26_numerics/adjacent_difference/lwg2055.cc: New test.
2947         * testsuite/26_numerics/inner_product/lwg2055.cc: New test.
2948         * testsuite/26_numerics/partial_sum/lwg2055.cc: New test.
2949
2950         * config/abi/pre/gnu.ver: Use wildcards to combine related patterns.
2951
2952         P0935R0 Eradicating unnecessarily explicit default constructors
2953         * config/abi/pre/gnu.ver: Tighten existing patterns and export new
2954         default constructor symbols.
2955         * include/std/sstream (basic_stringbuf, basic_istringstream)
2956         (basic_ostringstream, basic_stringstream): Remove default arguments
2957         from explicit constructors taking ios_base::openmode and add separate
2958         non-explicit default constructors.
2959         * testsuite/27_io/basic_istringstream/cons/default.cc: New.
2960         * testsuite/27_io/basic_ostringstream/cons/default.cc: New.
2961         * testsuite/27_io/basic_stringstream/cons/default.cc: New.
2962         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: New.
2963         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: New.
2964
2965         * include/std/variant (__accepted_index): Use void_t.
2966
2967 2018-07-05  Jonathan Wakely  <jwakely@redhat.com>
2968
2969         PR libstdc++/85831
2970         * config/abi/pre/gnu.ver: Export move constructors and move
2971         assignment operators for std::logic_error and std::runtime_error.
2972         * include/std/stdexcept: Use _GLIBCXX_NOTHROW instead of
2973         _GLIBCXX_USE_NOEXCEPT.
2974         (logic_error, runtime_error): Declare move constructors and move
2975         assignment operators. When not declared already, define copy
2976         constructors and copy assignment operators as explicit-defaulted.
2977         (domain_error, invalid_argument, length_error, out_of_range)
2978         (overflow_error, underflow_error): Define move constructors and move
2979         assignment operators as explicitly-defaulted.
2980         * libsupc++/exception.h (exception): Likewise.
2981         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Define
2982         move constructors and move assignment operators as defaulted.
2983         * testsuite/19_diagnostics/stdexcept.cc: Check that constructors and
2984         assignment operators are defined.
2985
2986         * testsuite/21_strings/basic_string/cons/char/deduction.cc: XFAIL for
2987         COW strings.
2988         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2989         Likewise.
2990         * testsuite/21_strings/basic_string/requirements/
2991         explicit_instantiation/debug.cc: Likewise.
2992
2993         PR libstdc++/58265
2994         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2995         (basic_string::assign(basic_string&&)): Add conditional noexcept
2996         depending on the allocator's is_always_equal property (LWG 2063).
2997         * testsuite/21_strings/basic_string/modifiers/assign/char/
2998         move_assign.cc: Check for non-throwing exception specification.
2999         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
3000         move_assign.cc: Likewise.
3001
3002         PR libstdc++/58265
3003         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
3004         [_GLIBCXX_FULLY_DYNAMIC_STRING==0] (basic_string::basic_string()):
3005         Add GLIBCXX_NOEXCEPT.
3006         (basic_string::operator=(basic_string&&)): Add _GLIBCXX_NOEXCEPT_IF
3007         to depend on the allocator's is_always_equal property (LWG 2063).
3008         (basic_string::swap(basic_string&)): Likewise.
3009         * include/bits/basic_string.tcc [!_GLIBCXX_USE_CXX11_ABI]
3010         (basic_string::swap(basic_string&)): Likewise.
3011         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
3012         Check is_nothrow_move_assignable.
3013         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
3014         Check is_nothrow_move_assignable.
3015         * testsuite/21_strings/basic_string/cons/char/
3016         noexcept_move_construct.cc: Likewise.
3017         * testsuite/21_strings/basic_string/cons/wchar_t/
3018         noexcept_move_construct.cc: Likewise.
3019
3020 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3021
3022         P0646R1 Improving the Return Value of Erase-Like Algorithms I
3023         * include/bits/forward_list.h (__cpp_lib_list_remove_return_type):
3024         Define.
3025         (forward_list::__remove_return_type): Define typedef as size_type or
3026         void, according to __cplusplus value.
3027         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
3028         empty, according to __cplusplus value.
3029         (forward_list::remove, forward_list::unique): Use typedef and macro
3030         to change return type and add abi-tag for C++2a.
3031         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
3032         typedef to change return type for C++2a.
3033         * include/bits/forward_list.tcc (_GLIBCXX20_ONLY): Define macro.
3034         (forward_list::remove, forward_list::remove_if<Pred>)
3035         (forward_list::unique<BinPred>): Return number of removed elements
3036         for C++2a.
3037         * include/bits/list.tcc (_GLIBCXX20_ONLY): Define macro.
3038         (list::remove, list::unique, list::remove_if<Predicate>)
3039         (list::unique<BinaryPredicate>): Return number of removed elements
3040         for C++2a.
3041         * include/bits/stl_list.h (__cpp_lib_list_remove_return_type): Define.
3042         (list::__remove_return_type): Define typedef as size_type or
3043         void, according to __cplusplus value.
3044         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
3045         empty, according to __cplusplus value.
3046         (list::remove, list::unique): Use typedef and macro to change return
3047         type and add abi-tag for C++2a.
3048         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use
3049         typedef to change return type for C++2a.
3050         * include/std/version (__cpp_lib_list_remove_return_type): Define.
3051         * testsuite/23_containers/forward_list/operations/
3052         remove_cxx20_return.cc: New.
3053         * testsuite/23_containers/forward_list/operations/
3054         unique_cxx20_return.cc: New.
3055
3056         P0458R2 Checking for Existence of an Element in Associative Containers
3057         * include/bits/stl_map.h (map::contains): Add for C++2a.
3058         * include/bits/stl_multimap.h (multimap::contains): Likewise.
3059         * include/bits/stl_multiset.h (multiset::contains): Likewise.
3060         * include/bits/stl_set.h (set::contains): Likewise.
3061         * include/bits/stl_tree.h (__has_is_transparent_t): Define alias.
3062         (_Rb_tree::_M_find_tr, _Rb_tree::_M_count_tr)
3063         (_Rb_tree::_M_lower_bound_tr, _Rb_tree::_M_upper_bound_tr)
3064         (_Rb_tree::_M_equal_range_tr): Use __has_is_transparent_t.
3065         * include/bits/unordered_map.h (unordered_map::contains)
3066         (unordered_multimap::contains): Add for C++2a.
3067         * include/bits/unordered_set.h (unordered_set::contains)
3068         (unordered_multiset::contains): Likewise.
3069         * testsuite/23_containers/map/operations/contains.cc: New.
3070         * testsuite/23_containers/multimap/operations/contains.cc: New.
3071         * testsuite/23_containers/multiset/operations/contains.cc: New.
3072         * testsuite/23_containers/set/operations/contains.cc: New.
3073         * testsuite/23_containers/unordered_map/operations/contains.cc: New.
3074         * testsuite/23_containers/unordered_multimap/operations/contains.cc:
3075         New.
3076         * testsuite/23_containers/unordered_multiset/operations/contains.cc:
3077         New.
3078         * testsuite/23_containers/unordered_set/operations/contains.cc: New.
3079
3080 2018-07-04  François Dumont  <fdumont@gcc.gnu.org>
3081
3082         PR libstdc++/86272
3083         * include/debug/string
3084         (__gnu_debug::basic_string<>::insert<_Ite>(const_iterator, _Ite, _Ite)):
3085         Use __glibcxx_check_insert_range.
3086         * 21_strings/basic_string/cons/char/1.cc: Adapt test to use
3087         __gnu_debug::string when _GLIBCXX_DEBUG.
3088         * 21_strings/basic_string/init-list.cc: Likewise.
3089         * 21_strings/basic_string/modifiers/insert/char/1.cc: Likewise.
3090         * 21_strings/basic_string/modifiers/insert/char/2.cc: Likewise.
3091         * 21_strings/basic_string/modifiers/insert/char/83328.cc: Likewise.
3092         * 21_strings/basic_string/types/1.cc: Likewise.
3093
3094 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3095
3096         * testsuite/25_algorithms/make_heap/complexity.cc: Require effective
3097         target for std::random_device.
3098         * testsuite/26_numerics/random/random_device/cons/default.cc:
3099         Likewise.
3100         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
3101         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
3102         * testsuite/experimental/random/randint.cc: Likewise.
3103         * testsuite/lib/libstdc++.exp
3104         (check_effective_target_random_device): New proc.
3105
3106 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3107             Jakub Jelinek  <jakub@redhat.com>
3108
3109         * include/std/bit (__rotl, __rotr): Fix for non-power of two sizes.
3110
3111 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3112
3113         PR libstdc++/86398
3114         * include/std/type_traits (is_trivially_constructible): Check
3115         is_constructible before __is_trivially_constructible.
3116         * testsuite/20_util/is_trivially_constructible/value.cc: Add more
3117         tests, including negative cases.
3118         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Use
3119         zero for dg-error lineno.
3120         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
3121         Likewise.
3122
3123         * include/std/bit (__rotl, __rotr): Avoid branch.
3124         (_If_is_unsigned_integer): Use remove_cv_t.
3125         * testsuite/26_numerics/bit/bitops.count/popcount.cc: New.
3126
3127 2018-07-03  Jonathan Wakely  <jwakely@redhat.com>
3128
3129         P0556R3 Integral power-of-2 operations, P0553R2 Bit operations
3130         * include/Makefile.am: Add new header.
3131         * include/Makefile.in: Regenerate.
3132         * include/precompiled/stdc++.h: Include new header.
3133         * include/std/bit: New header.
3134         (__rotl, __rotr, __countl_zero, __countl_one, __countr_zero)
3135         (__countr_one, __popcount, __ispow2, __ceil2, __floor2, __log2p1):
3136         Define for C++14.
3137         [!__STRICT_ANSI__] (rotl, rotr, countl_zero, countl_one, countr_zero)
3138         (countr_one, popcount): Define for C++2a. Also overload for std::byte.
3139         (ispow2, ceil2, floor2, log2p1): Define for C++2a.
3140         [!__STRICT_ANSI__] (ispow2, ceil2, floor2, log2p1): Overload for
3141         std::byte.
3142         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: New.
3143         * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: New.
3144         * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: New.
3145         * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: New.
3146         * testsuite/26_numerics/bit/bitops.rot/rotl.cc: New.
3147         * testsuite/26_numerics/bit/bitops.rot/rotr.cc: New.
3148         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: New.
3149         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: New.
3150         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: New.
3151         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: New.
3152
3153         * include/bits/alloc_traits.h: Remove redundant preprocessor
3154         condition.
3155
3156 2018-07-03  François Dumont  <fdumont@gcc.gnu.org>
3157
3158         * include/bits/stl_algobase.h (__niter_wrap): New.
3159         (__copy_move_a2(_II, _II, _OI)): Use latter.
3160         (__copy_move_backward_a2(_BI1, _BI1, _BI2)): Likewise.
3161         (fill_n(_OI, _Size, const _Tp&)): Likewise.
3162         (equal(_II1, _II1, _II2)): Use __glibcxx_requires_can_increment.
3163         * include/debug/stl_iterator.h
3164         (std::__niter_base(const __gnu_cxx::_Safe_iterator<
3165         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New declaration.
3166         * include/debug/vector (__niter_base(const __gnu_cxx::_Safe_iterator<
3167         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New.
3168
3169 2018-07-02  Jonathan Wakely  <jwakely@redhat.com>
3170
3171         P0758R1 Implicit conversion traits
3172         * include/std/type_traits [__cplusplus > 201703]
3173         (__is_convertible_helper::__is_nothrow_type): Define new member.
3174         (__is_convertible_helper<_From, _To, false>::__test_aux1): Add
3175         noexcept.
3176         (__is_convertible_helper<_From, _To, false>::__test_nothrow)
3177         (__is_convertible_helper<_From, _To, false>::__is_nothrow_type): Add
3178         new members.
3179         (is_nothrow_convertible, is_nothrow_convertible_v): Define for C++2a.
3180         * testsuite/20_util/is_nothrow_convertible/value.cc: New.
3181         * testsuite/20_util/is_nothrow_convertible/requirements/
3182         explicit_instantiation.cc: New.
3183         * testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc:
3184         New.
3185
3186         P0887R1 The identity metafunction
3187         * include/std/type_traits (type_identity, type_identity_t): Define
3188         for C++2a.
3189         * testsuite/20_util/type_identity/requirements/alias_decl.cc: New.
3190         * testsuite/20_util/type_identity/requirements/
3191         explicit_instantiation.cc:New.
3192         * testsuite/20_util/type_identity/requirements/typedefs.cc: New.
3193
3194         * include/bits/regex.h (sub_match::operator string_type): Call str().
3195         (sub_match::compare): Use _M_str() instead of str().
3196         (sub_match::_M_compare): New public function.
3197         (sub_match::__string_view): New helper type.
3198         (sub_match::_M_str): New overloaded functions to avoid creating a
3199         string_type object when not needed.
3200         (operator==, operator!=, operator<, operator>, operator<=, operator>=):
3201         Use sub_match::_M_compare instead of creating string_type objects.
3202         Fix Doxygen comments.
3203         * include/bits/regex_compiler.h (__has_contiguous_iter): Remove.
3204         (__is_contiguous_normal_iter): Rename to __is_contiguous_iter and
3205         simplify.
3206         (__enable_if_contiguous_iter, __disable_if_contiguous_iter): Use
3207         __enable_if_t.
3208         * include/std/type_traits (__enable_if_t): Define for C++11.
3209         * testsuite/28_regex/sub_match/compare.cc: New.
3210         * testsuite/util/testsuite_iterators.h (remove_cv): Add transformation
3211         trait.
3212         (input_iterator_wrapper): Use remove_cv for value_type argument of
3213         std::iterator base class.
3214
3215 2018-06-29  Jonathan Wakely  <jwakely@redhat.com>
3216
3217         * testsuite/20_util/add_rvalue_reference/requirements/alias_decl.cc:
3218         Add whitespace to dejagnu directive.
3219         * testsuite/23_containers/array/element_access/at_neg.cc: Likewise.
3220
3221 2018-06-27  François Dumont  <fdumont@gcc.gnu.org>
3222
3223         * include/bits/stl_vector.h
3224         (struct _Vector_base<>::_Vector_impl_data): New.
3225         (struct _Vector_base<>::_Vector_impl): Inherit from latter.
3226         (_Vector_base<>::_Vector_impl::_M_swap_data): Move...
3227         (_Vector_base<>::_Vector_impl_data::_M_swap_data): ...here.
3228         (_Vector_base<>::_Vector_impl()): Add noexcept qualification.
3229         (_Vector_base<>::_Vector_impl(_Vector_impl&&)): New.
3230         (_Vector_base<>::_Vector_impl(_Tp_alloc_type&&, _Vector_impl&&)): New.
3231         (_Vector_base(const allocator_type&, _Vector_base&&)): New, use latter.
3232         (_Vector_base()): Default.
3233         (_Vector_base(_Vector_base&&)): Default.
3234         (_Vector_base(size_t)) [_GLIBCXX_INLINE_VERSION]: Delete.
3235         (_Vector_base(_Tp_alloc_type&&)) [_GLIBCXX_INLINE_VERSION]: Delete.
3236         (_Vector_base::_M_create_storage(size_t)): Make protected.
3237         (vector()): Default.
3238         (vector(vector&&)): Default.
3239         (vector(vector&&, const allocator_type&, true_type)): New.
3240         (vector(vector&&, const allocator_type&, false_type)): New.
3241         (vector(vector&&, const allocator_type&)): Use latters.
3242         (vector(_InputIte, _InputIte, const allocator_type&)): Call
3243         _M_range_initialize directly.
3244         * include/debug/vector
3245         (vector(vector&&, const allocator_type&)): Add noexcept qualification.
3246         * testsuite/23_containers/vector/allocator/default_init.cc: New.
3247         * testsuite/23_containers/vector/cons/noexcept_move_construct.cc: Add
3248         static assertions.
3249
3250 2018-06-27  Jonathan Wakely  <jwakely@redhat.com>
3251
3252         * include/bits/cpp_type_traits.h [__cplusplus >= 201703]
3253         (__is_byte<byte>): Define specialization for std::byte.
3254
3255         PR libstdc++/86138
3256         * include/bits/basic_string.tcc: [_GLIBCXX_EXTERN_TEMPLATE < 0]
3257         Declare explicit instantiations of COW empty reps and I/O functions.
3258
3259 2018-06-26  David Edelsohn  <dje.gcc@gmail.com>
3260
3261         * testsuite/experimental/algorithm/sample-2.cc: Add TLS DejaGNU
3262         directives.
3263         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
3264
3265 2018-06-26  Jonathan Wakely  <jwakely@redhat.com>
3266
3267         * include/bits/regex.tcc (regex_iterator::operator==): Add missing
3268         noexcept.
3269
3270 2018-06-25  Jonathan Wakely  <jwakely@redhat.com>
3271
3272         PR libstdc++/86112
3273         * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
3274         Replace dict comprehension.
3275
3276         PR libstdc++/81092
3277         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3278
3279         PR libstdc++/86292
3280         * include/bits/stl_vector.h (vector::_M_range_initialize<InputIter>):
3281         Add try-catch block.
3282         * testsuite/23_containers/vector/cons/86292.cc: New.
3283
3284         * doc/xml/manual/status_cxx2017.xml: Document N4531 status.
3285
3286         * include/experimental/algorithm (sample, shuffle): Add new overloads
3287         using per-thread random number engine.
3288         * testsuite/experimental/algorithm/sample.cc: Simpify and reduce
3289         dependencies by using __gnu_test::test_container.
3290         * testsuite/experimental/algorithm/sample-2.cc: New.
3291         * testsuite/experimental/algorithm/shuffle.cc: New.
3292
3293 2018-06-22  Jonathan Wakely  <jwakely@redhat.com>
3294
3295         * config/abi/pre/gnu.ver: Fix __cxx11::basic_string patterns for
3296         different size_t mangling on 32-bit targets.
3297
3298         PR libstdc++/86280
3299         * include/experimental/memory_resource
3300         (__resource_adaptor_common::_AlignMgr::_M_token_size): Use type large
3301         enough for result of left shift.
3302
3303         PR libstdc++/86138
3304         * include/bits/basic_string.tcc:
3305         [__cplusplus > 201402 && !_GLIBCXX_USE_CXX11_ABI]
3306         (basic_string<char>::_Rep::_S_empty_rep_storage)
3307         (basic_string<wchar_t>::_Rep::_S_empty_rep_storage): Add explicit
3308         instantiation declarations.
3309         [__cplusplus > 201402] (operator>>, operator<<, getline): Re-enable
3310         explicit instantiation declarations.
3311         * testsuite/21_strings/basic_string/cons/char/86138.cc: New.
3312         * testsuite/21_strings/basic_string/cons/wchar_t/86138.cc: New.
3313
3314 2018-06-21  Jonathan Wakely  <jwakely@redhat.com>
3315
3316         PR libstdc++/83328
3317         * acinclude.m4 (libtool_VERSION): Bump to 6:26:0.
3318         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 and export new symbol.
3319         * configure: Regenerate.
3320         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
3321         (basic_string::insert(const_iterator, initializer_list<C>)): Add.
3322         [_GLIBCXX_USE_CXX11_ABI && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
3323         (basic_string::insert(iterator, initializer_list<C>)): Suppress
3324         definition.
3325         * include/debug/string (basic_string::insert(iterator, C)): Change
3326         first parameter to const_iterator.
3327         (basic_string::insert(iterator, size_type, C)): Likewise. Change
3328         return type to iterator.
3329         (basic_string::insert(iterator, InputIterator, InputIterator)):
3330         Likewise.
3331         (basic_string::insert(iterator, initializer_list<C>)): Change first
3332         parameter to const_iterator and return type to iterator.
3333         * src/c++11/string-inst.cc: Extend comment.
3334         * testsuite/21_strings/basic_string/modifiers/insert/char/83328.cc:
3335         New.
3336         * testsuite/21_strings/basic_string/modifiers/insert/wchar_t/83328.cc:
3337         New.
3338         * testsuite/util/testsuite_abi.cc: Add new symbol version.
3339
3340         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3341
3342         PR libstdc++/70940
3343         * include/experimental/memory_resource
3344         (__resource_adaptor_imp::do_deallocate): Add missing return.
3345         * testsuite/experimental/memory_resource/new_delete_resource.cc: New.
3346         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
3347         resource_adaptor with std::allocator, __gnu_cxx::new_allocator and
3348         __gnu_cxx::malloc_allocator.
3349
3350         PR libstdc++/70940
3351         * include/experimental/memory_resource (__resource_adaptor_common):
3352         New base class.
3353         (__resource_adaptor_common::_AlignMgr): Helper for obtaining aligned
3354         pointer from unaligned, and vice versa.
3355         (__resource_adaptor_imp::do_allocate): Use _AlignMgr to adjust
3356         allocated pointer to meet alignment request.
3357         (__resource_adaptor_imp::do_deallocate): Use _AlignMgr to retrieve
3358         original pointer for deallocation.
3359         (__resource_adaptor_imp::do_is_equal): Reformat.
3360         (__resource_adaptor_imp::_S_aligned_size): Remove.
3361         (__resource_adaptor_imp::_S_supported): Remove.
3362         (new_delete_resource): Use __gnu_cxx::new_allocator.
3363         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
3364         extended alignments and use debug_allocator to check for matching
3365         allocate/deallocate pairs.
3366
3367 2018-06-21  François Dumont  <fdumont@gcc.gnu.org>
3368
3369         * include/debug/safe_iterator.h
3370         (_Safe_iterator<>(const _Safe_iterator<_MutableIterator,>& __x)):
3371         Compare __x base iterator with a value-initialized iterator of the
3372         same type.
3373
3374 2018-06-20  Jonathan Wakely  <jwakely@redhat.com>
3375
3376         PR libstdc++/70966
3377         * include/experimental/memory_resource (__resource_adaptor_imp): Add
3378         static assertions to enforce requirements on pointer types.
3379         (__resource_adaptor_imp::get_allocator()): Add noexcept.
3380         (new_delete_resource, null_memory_resource): Return address of an
3381         object with dynamic storage duration.
3382         (__null_memory_resource): Remove.
3383         * testsuite/experimental/memory_resource/70966.cc: New.
3384
3385         * testsuite/20_util/duration/arithmetic/dr3050.cc: Add new test
3386         missed from recent commit.
3387
3388 2018-06-19  Jonathan Wakely  <jwakely@redhat.com>
3389
3390         * include/std/utility: Remove unused <exception> header.
3391
3392 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
3393
3394         LWG 2975 ensure construct(pair<T,U>*, ...) used to construct pairs
3395         * include/std/scoped_allocator (__not_pair): Define SFINAE helper.
3396         (construct(_Tp*, _Args&&...)): Remove from overload set when _Tp is
3397         a specialization of std::pair.
3398         * testsuite/20_util/scoped_allocator/construct_pair.cc: Ensure
3399         pair elements are constructed correctly.
3400
3401         LWG 2989 hide path iostream operators from normal lookup
3402         * include/bits/fs_path.h (operator<<, operator>>): Define inline as
3403         friends.
3404         * testsuite/27_io/filesystem/path/io/dr2989.cc: New.
3405
3406         LWG 3050 Fix cv-qualification of convertibility constraints
3407         * include/std/chrono (duration, operator*, operator/, operator%): Use
3408         const-qualified type as source type in is_convertible constraints.
3409         * testsuite/20_util/duration/arithmetic/dr3050.cc: New.
3410         * testsuite/20_util/duration/cons/dr3050.cc: New.
3411         * testsuite/20_util/duration/literals/range.cc: Rename to...
3412         * testsuite/20_util/duration/literals/range_neg.cc: Here. Adjust
3413         dg-error lineno.
3414
3415 2018-06-18  Maya Rashish  <coypu@sdf.org>
3416
3417         * crossconfig.m4: Handle OpenBSD just like NetBSD.
3418         * configure: Rebuilt.
3419
3420 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
3421
3422         P0754R2 <version> header
3423         * include/Makefile.am: Add new header.
3424         * include/Makefile.in: Regenerate.
3425         * include/bits/c++config: Change doxygen comment to suggest <version>
3426         instead of <iosfwd>.
3427         * include/precompiled/stdc++.h: Include <cwchar> and <cwctype>
3428         unconditionally.  Add C++17 and C++20 headers.
3429         * include/std/version: New header.
3430         * testsuite/17_intro/headers/c++2017/all_attributes.cc: New.
3431         * testsuite/17_intro/headers/c++2017/all_no_exceptions.cc: New.
3432         * testsuite/17_intro/headers/c++2017/all_no_rtti.cc: New.
3433         * testsuite/17_intro/headers/c++2017/all_pedantic_errors.cc: New.
3434         * testsuite/17_intro/headers/c++2017/operator_names.cc: New.
3435         * testsuite/17_intro/headers/c++2017/stdc++.cc: New.
3436         * testsuite/17_intro/headers/c++2017/stdc++_multiple_inclusion.cc:
3437         New.
3438         * testsuite/17_intro/headers/c++2020/all_attributes.cc: New.
3439         * testsuite/17_intro/headers/c++2020/all_no_exceptions.cc: New.
3440         * testsuite/17_intro/headers/c++2020/all_no_rtti.cc: New.
3441         * testsuite/17_intro/headers/c++2020/all_pedantic_errors.cc: New.
3442         * testsuite/17_intro/headers/c++2020/operator_names.cc: New.
3443         * testsuite/17_intro/headers/c++2020/stdc++.cc: New.
3444         * testsuite/17_intro/headers/c++2020/stdc++_multiple_inclusion.cc:
3445         New.
3446         * testsuite/18_support/headers/version/macros.cc: New.
3447         * testsuite/18_support/headers/version/macros.cc: New.
3448
3449         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Only check when
3450         enable_libstdcxx_filesystem_ts = yes. Check for link, readlink and
3451         symlink.
3452         * config.h.in: Regenerate.
3453         * configure: Regenerate.
3454         * configure.ac: Remove AC_CHECK_FUNCS for link, readlink and symlink.
3455
3456         LWG 3035. std::allocator's constructors should be constexpr
3457         * include/bits/allocator.h (allocator): Add constexpr to constructors
3458         for C++2a. Replace dynamic exception specifications with NOTHROW
3459         macro.
3460         (allocator, operator==, operator!=): Replace USE_NOEXCEPT macro with
3461         NOTHROW.
3462         * include/bits/c++config (_GLIBCXX20_CONSTEXPR): Define.
3463         * include/ext/malloc_allocator.h (malloc_allocator): Add constexpr
3464         to constructors for C++2a.
3465         * include/ext/new_allocator.h (new_allocator): Likewise.
3466
3467 2018-06-16  Jonathan Wakely  <jwakely@redhat.com>
3468
3469         LWG 3076 basic_string CTAD ambiguity
3470         * doc/xml/manual/intro.xml: Document LWG 3076 change.
3471         * include/bits/basic_string.h
3472         [__cpp_deduction_guides && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
3473         (basic_string(const _CharT*, const _Alloc&)): Turn into a function
3474         template constrained by _RequireAllocator.
3475         (basic_string(size_type, _CharT, const _Alloc&)): Likewise.
3476         * src/c++11/string-inst.cc (_GLIBCXX_DEFINING_STRING_INSTANTIATIONS):
3477         Define.
3478         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
3479         deduction
3480         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
3481         Likewise.
3482
3483 2018-06-15  Jonathan Wakely  <jwakely@redhat.com>
3484
3485         PR libstdc++/86169
3486         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
3487         (basic_string::data()): Unshare string.
3488         * testsuite/21_strings/basic_string/operations/data/char/86169.cc:
3489         New.
3490
3491         * include/std/string_view (basic_string_view(const CharT*)): Remove
3492         check for null pointer and add nonnull attribute.
3493         (compare(const CharT*), compare(size_type, size_type, const CharT*))
3494         (find(const CharT*, size_type), rfind(const CharT*, size_type))
3495         (find_first_of(const CharT*, size_type))
3496         (find_last_of(const CharT*, size_type))
3497         (find_first_not_of(const CharT*, size_type))
3498         (find_last_not_of(const CharT*, size_type)): Add nonnull attribute.
3499         * testsuite/21_strings/basic_string_view/cons/char/nonnull.cc: New.
3500         * testsuite/21_strings/basic_string_view/operations/compare/char/
3501         nonnull.cc: New.
3502         * testsuite/21_strings/basic_string_view/operations/find/char/
3503         nonnull.cc: New.
3504         * testsuite/21_strings/basic_string_view/operations/rfind/char/
3505         nonnull.cc: New.
3506
3507         PR libstdc++/86168
3508         * include/bits/random.h (random_device(const string&)): Remove
3509         default argument.
3510
3511         * include/bits/char_traits.h (__cpp_lib_constexpr_char_traits): Only
3512         define for C++17 and above.
3513
3514         LWG 2993 reference_wrapper<T> conversion from T&&
3515         * doc/xml/manual/intro.xml: Document LWG 2993 change.
3516         * include/bits/refwrap.h (reference_wrapper(_Tp&)): Remove.
3517         (reference_wrapper(_Tp&&)): Remove.
3518         (reference_wrapper<_Up>(_Up&&)): Define new constructor as constrained
3519         template.
3520         (reference_wrapper): Add deduction guide.
3521         * testsuite/20_util/reference_wrapper/deduction.cc: New.
3522         * testsuite/20_util/reference_wrapper/lwg2993.cc: New.
3523
3524         LWG 3039 Unnecessary decay in thread and packaged_task
3525         * include/std/future (__constrain_pkgdtask): Replace with ...
3526         (packaged_task::__not_same): New alias template, using
3527         __remove_cvref_t instead of decay.
3528         * include/std/thread (thread::__not_same): Add comment.
3529
3530 2018-06-14  Jonathan Wakely  <jwakely@redhat.com>
3531
3532         LWG 3075 basic_string needs deduction guides from basic_string_view
3533         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
3534         deduction from string views.
3535         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
3536         Likewise.
3537
3538         LWG 3074 make scalar types non-deduced in valarray non-member functions
3539         * include/bits/valarray_after.h (_DEFINE_EXPR_BINARY_FUNCTION): Change
3540         scalar parameters to be a non-deduced context.
3541         * include/std/valarray (_DEFINE_BINARY_OPERATOR): Likewise. Adjust
3542         whitespace.
3543         * testsuite/26_numerics/valarray/operators.cc: Test scalar operands.
3544         * testsuite/26_numerics/valarray/transcend.cc: New.
3545
3546         * include/std/tuple (__cpp_lib_tuple_element_t, tuple_element_t):
3547         Move back to <utility>.
3548         * include/std/utility (__cpp_lib_tuple_element_t. tuple_element_t):
3549         Restore to here.
3550
3551         P0935R0 Eradicating unnecessarily explicit default constructors
3552         * include/backward/strstream (strstreambuf): Add non-explicit default
3553         constructor.
3554         * include/bits/locale_conv.h (wbuffer_convert, wstring_convert):
3555         Likewise.
3556         * include/bits/regex.h (match_results): Likewise.
3557         * testsuite/22_locale/conversions/buffer/1.cc: Test for non-explicit
3558         default constructor.
3559         * testsuite/22_locale/conversions/string/1.cc: Likewise.
3560         * testsuite/28_regex/match_results/ctors/char/default.cc: Likewise.
3561         * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.
3562
3563         * include/std/tuple (__cpp_lib_tuple_element_t): Move feature test
3564         macro from <utility> and change type to long.
3565         * include/std/utility (__cpp_lib_tuple_element_t): Remove.
3566         * testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test
3567         macro.
3568
3569         P0935R0 Eradicating unnecessarily explicit default constructors
3570         * include/bits/random.h (uniform_real_distribution::param_type)
3571         (normal_distribution::param_type, lognormal_distribution::param_type)
3572         (gamma_distribution::param_type, chi_squared_distribution::param_type)
3573         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
3574         (student_t_distribution::param_type)
3575         (bernoulli_distribution::param_type)
3576         (binomial_distribution::param_type)
3577         (geometric_distribution::param_type)
3578         (negative_binomial_distribution::param_type)
3579         (poisson_distribution::param_type)
3580         (exponential_distribution::param_type)
3581         (weibull_distribution::param_type)
3582         (extreme_value_distribution::param_type): Add non-explicit default
3583         constructors. Remove default argument for first parameter of explicit
3584         constructors.
3585         * include/bits/uniform_int_dist.h
3586         (uniform_int_distribution::param_type): Likewise.
3587         * include/ext/random
3588         (beta_distribution::param_type, rice_distribution::param_type)
3589         (nakagami_distribution::param_type, pareto_distribution::param_type)
3590         (k_distribution::param_type, arcsine_distribution::param_type)
3591         (hoyt_distribution::param_type, triangular_distribution::param_type)
3592         (von_mises_distribution::param_type)
3593         (hypergeometric_distribution::param_type)
3594         (logistic_distribution::param_type)
3595         (uniform_inside_sphere_distribution::param_type): Likewise.
3596         (uniform_on_sphere_distribution::param_type): Make default constructor
3597         non-explicit.
3598         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
3599         Test param_type for non-explicit default constructor.
3600         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
3601         Likewise.
3602         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
3603         Likewise.
3604         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
3605         Likewise.
3606         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
3607         Likewise.
3608         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
3609         Likewise.
3610         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
3611         Likewise.
3612         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
3613         Likewise.
3614         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
3615         Likewise.
3616         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
3617         Likewise.
3618         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
3619         Likewise.
3620         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
3621         Likewise.
3622         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
3623         Likewise.
3624         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
3625         Likewise.
3626         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
3627         Likewise.
3628         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
3629         Likewise.
3630         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
3631         Likewise.
3632         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
3633         Likewise.
3634         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
3635         Likewise.
3636         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
3637         Likewise.
3638         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
3639         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
3640         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
3641         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
3642         Likewise.
3643         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
3644         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
3645         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
3646         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
3647         Likewise.
3648         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
3649         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
3650         * testsuite/ext/random/triangular_distribution/cons/default.cc:
3651         Likewise.
3652         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
3653         Likewise.
3654         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
3655         Likewise.
3656         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
3657         Likewise.
3658
3659 2018-06-14  Daniel Trebbien <dtrebbien@gmail.com>
3660             Jonathan Wakely  <jwakely@redhat.com>
3661
3662         PR libstdc++/83982
3663         * include/bits/vector.tcc (vector::_M_default_append(size_type)):
3664         Default-construct new elements before moving existing ones.
3665         * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
3666         New.
3667
3668 2018-06-13  Jonathan Wakely  <jwakely@redhat.com>
3669
3670         PR libstdc++/86127
3671         * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove
3672         unused typedef.
3673         (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after):
3674         Use node allocator to create and destroy elements.
3675         (forward_list::_Tp_alloc_type): Remove unused typedef.
3676         (forward_list::_Alloc_traits): Use allocator_traits instead of
3677         __gnu_cxx::__alloc_traits.
3678
3679 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
3680
3681         * include/debug/helper_functions.h
3682         (__gnu_debug::_Safe_iterator<>): Add declaration.
3683         (__can_advance(_Ite, _Size)): New.
3684         (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration.
3685         * include/debug/functions.h
3686         (__gnu_debug::_Safe_iterator<>): Remove declaration.
3687         * include/debug/stl_iterator.h
3688         (__can_advance(const _Safe_iterator<>&)): New definition.
3689         * include/debug/stl_iterator.h
3690         (__can_advance(const std::reverse_iterator<>&, _Size)): New.
3691         (__can_advance(const std::move_iterator<>&, _Size)): New.
3692         * include/debug/macros.h (__glibcxx_check_can_increment): New.
3693         * include/debug/debug.h (__glibcxx_requires_can_increment): New.
3694         * include/bits/stl_algobase.h (fill_n): Use latter.
3695         * testsuite/25_algorithms/fill_n/2.cc: New.
3696         * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New.
3697         * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New.
3698         * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New.
3699         * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New.
3700
3701         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
3702         (__glibcxx_requires_can_decrement_range): New.
3703
3704 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
3705
3706         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
3707         (__glibcxx_check_can_decrement_range): New.
3708         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
3709         __glibcxx_requires_can_increment_range.
3710         (std::move(_II, _II, _OI)): Likewise.
3711         (std::copy_backward(_BI, _BI, _BI2)): Use
3712         __glibcxx_requires_can_decrement_range.
3713         (std::move_backward(_BI, _BI, _BI2)): Likewise.
3714         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
3715         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
3716         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
3717         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
3718         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
3719         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
3720
3721 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
3722
3723         P0935R0 Eradicating unnecessarily explicit default constructors
3724         * include/bits/random.h (linear_congruential_engine)
3725         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
3726         (uniform_real_distribution, normal_distribution)
3727         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
3728         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
3729         (bernoulli_distribution, binomial_distribution,geometric_distribution)
3730         (negative_binomial_distribution, exponential_distribution)
3731         (weibull_distribution, extreme_value_distribution): Add non-explicit
3732         default constructors. Remove default argument for first parameter of
3733         explicit constructors.
3734         (piecewise_constant_distribution, piecewise_linear_distribution):
3735         Make default constructor non-explicit.
3736         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
3737         non-explicit default constructors. Remove default argument for first
3738         parameter of explicit constructor.
3739         * include/ext/random
3740         (simd_fast_mersenne_twister_engine, beta_distribution)
3741         (rice_distribution, nakagami_distribution, pareto_distribution)
3742         (k_distribution, arcsine_distribution, hoyt_distribution)
3743         (triangular_distribution, von_mises_distribution)
3744         (hypergeometric_distribution, logistic_distribution)
3745         (uniform_inside_sphere_distribution): Likewise.
3746         (uniform_on_sphere_distribution): Make default constructor
3747         non-explicit.
3748         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
3749         Test for non-explicit default constructor. Fix references to standard.
3750         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
3751         Likewise.
3752         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
3753         Likewise.
3754         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
3755         Likewise.
3756         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
3757         Likewise.
3758         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
3759         Likewise.
3760         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
3761         Likewise.
3762         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
3763         Likewise.
3764         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
3765         Likewise.
3766         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
3767         Likewise.
3768         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
3769         Likewise.
3770         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
3771         Likewise.
3772         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
3773         Likewise.
3774         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
3775         Likewise.
3776         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
3777         Likewise.
3778         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
3779         Likewise.
3780         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
3781         Likewise.
3782         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
3783         Likewise.
3784         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
3785         Likewise.
3786         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
3787         Likewise.
3788         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
3789         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
3790         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
3791         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
3792         Likewise.
3793         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
3794         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
3795         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
3796         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
3797         Likewise.
3798         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
3799         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
3800         * testsuite/ext/random/triangular_distribution/cons/default.cc:
3801         Likewise.
3802         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
3803         Likewise.
3804         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
3805         Likewise.
3806         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
3807         Likewise.
3808         * testsuite/util/testsuite_common_types.h
3809         (implicitly_default_constructible): New helper.
3810
3811 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
3812
3813         * include/bits/ios_base.h (ios::Init::Init(const Init&))
3814         (ios::Init::operator=): Define as defaulted.
3815         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
3816         Likewise.
3817         * include/bits/stream_iterator.h (istream_iterator::operator=)
3818         (ostream_iterator::operator=): Likewise.
3819         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
3820         Likewise.
3821         * include/std/bitset (bitset::reference::reference(const reference&)):
3822         Likewise.
3823         * include/std/complex (complex<float>::complex(const complex&))
3824         (complex<double>::complex(const complex&))
3825         (complex<long double>::complex(const complex&)): Likewise.
3826
3827 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
3828
3829         * include/bits/regex.h (sub_match): Add noexcept to default
3830         constructor and length observer.
3831         (match_results): Add noexcept to default constructor and observers
3832         with no preconditions. Define destructor as defaulted.
3833         (operator==, operator!=, swap): Add noexcept.
3834         (regex_iterator): Add default member initializers and define default
3835         constructor and destructor as defaulted. Add noexcept to equality
3836         and dereference operators.
3837
3838 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
3839
3840         * src/c++11/debug.cc
3841         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
3842         (_Safe_iterator_base::_M_detach_single()): Likewise.
3843         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
3844         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
3845
3846 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
3847
3848         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
3849         move of const value.
3850
3851 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
3852
3853         PR c++/86068
3854         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
3855         rather than __cpp_transactional_memory >= 201505L.
3856
3857 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
3858
3859         PR libstdc++/86008
3860         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
3861         Define new partial specialization.
3862         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
3863         new overload.
3864         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
3865         value not reference for iteration.
3866         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
3867         comment.
3868         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
3869         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
3870         comment.
3871
3872 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
3873
3874         * include/std/type_traits: Fix comment typos.
3875
3876         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
3877         mingw* targets.
3878         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
3879         * testsuite/experimental/filesystem/operations/read_symlink.cc:
3880         Likewise.
3881
3882 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
3883
3884         * include/bits/stl_tempbuf.h
3885         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
3886         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
3887         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
3888         * include/bits/stl_algo.h (__stable_partition): Adapt.
3889         (__inplace_merge): Adapt.
3890         (__stable_sort): Adapt.
3891
3892 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
3893
3894         PR libstdc++/85930
3895         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
3896         unconditionally. Remove redundant declaration.
3897         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
3898         alignment-specifier.
3899
3900         * include/bits/postypes.h (fpos): Define special members as defaulted.
3901
3902         PR libstdc++/85930
3903         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
3904         the static variable correctly.
3905
3906 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
3907
3908         PR libstdc++/78870 support std::filesystem on Windows
3909         * config.h.in: Regenerate.
3910         * configure: Regenerate.
3911         * configure.ac: Check for link, readlink and symlink.
3912         * include/bits/fs_path.h (path::operator/=(const path&)): Move
3913         definition out of class body.
3914         (path::is_absolute(), path::_M_append(path)): Likewise.
3915         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
3916         (operator>>(basic_istream, path&)): Likewise.
3917         (u8path): Reorder definitions and fix Windows implementation.
3918         (path::is_absolute()): Define inline and fix for Windows.
3919         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
3920         Define POSIX version inline.
3921         (path::_M_append(path)): Define inline.
3922         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
3923         definition out of class body.
3924         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
3925         escape characters.
3926         (operator>>(basic_istream, path&)): Likewise.
3927         (path::is_absolute()): Define inline and fix for Windows.
3928         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
3929         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
3930         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
3931         Define as adaptors for Windows functions/types or as
3932         using-declarations for POSIX functions/types.
3933         (_Dir_base, get_file_type): Qualify names to use declarations from
3934         __gnu_posix namespace.
3935         (_Dir_base::is_dor_or_dotdot): New helper functions.
3936         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
3937         names to use declarations from __gnu_posix namespace.
3938         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
3939         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
3940         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
3941         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
3942         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
3943         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
3944         Define as adaptors for Windows functions/types or as
3945         using-declarations for POSIX functions/types.
3946         (stat_type, do_copy_file): Qualify names to use declarations from
3947         __gnu_posix namespace.
3948         (do_space): Declare new function.
3949         (make_file_type): Only use S_ISLNK if defined.
3950         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
3951         path::value_type not char.
3952         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
3953         names to use declarations from __gnu_posix namespace.
3954         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
3955         add implementation for Windows.
3956         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
3957         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
3958         [!_PC_PATH_MAX]: Don't use pathconf.
3959         [PATH_MAX]: Use if defined.
3960         (filesystem::current_path(const path&, error_code&))
3961         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
3962         (filesystem::last_write_time, filesystem::permissions): Use names
3963         from __gnu_posix.
3964         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
3965         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
3966         implementation for Windows.
3967         (filesystem::rename, filesystem::resize_file): Use names from
3968         __gnu_posix.
3969         (filesystem::space): Use do_space.
3970         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
3971         (filesystem::status, filesystem::symlink_status): Use names from
3972         __gnu_posix.
3973         (filesystem::temp_directory_path): Add implementation for Windows.
3974         * src/filesystem/path.cc (dot): Define constant.
3975         (path::replace_extension): Use dot.
3976         (path::_M_find_extension): Likewise. Use path::string_type not
3977         std::string.
3978         (path::_M_split_cmpts): Use dot.
3979         (filesystem_error::_M_get_what): Use u8string() not native().
3980         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
3981         Qualify names to use declarations from __gnu_posix namespace.
3982         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
3983         correct error_code.
3984         (filesystem::absolute(const path&, error_code&)): Add implementation
3985         for Windows.
3986         (char_ptr, filesystem::canonical): Use path::value_type not char.
3987         (do_copy_file): Use names from __gnu_posix.
3988         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
3989         sendfile.
3990         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
3991         names to use declarations from __gnu_posix namespace.
3992         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
3993         add implementation for Windows.
3994         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
3995         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
3996         [!_PC_PATH_MAX]: Don't use pathconf.
3997         [PATH_MAX]: Use if defined.
3998         (filesystem::current_path(const path&, error_code&))
3999         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
4000         (filesystem::last_write_time, filesystem::permissions): Use names
4001         from __gnu_posix.
4002         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
4003         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
4004         implementation for Windows.
4005         (filesystem::rename, filesystem::resize_file): Use names from
4006         __gnu_posix.
4007         (do_space): Define.
4008         (filesystem::space): Use do_space.
4009         (filesystem::status, filesystem::symlink_status): Use names from
4010         __gnu_posix.
4011         (filesystem::temp_directory_path): Add implementation for Windows.
4012         * src/filesystem/std-path.cc
4013         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
4014         Define for Windows.
4015         (dot): Define constant.
4016         (path::replace_extension, is_dot): Use dot.
4017         (path::lexically_normal): Check _M_type instead of calling
4018         non-existent function.
4019         (path::_M_find_extension): Use dot. Use path::string_type not
4020         std::string.
4021         (path::_M_split_cmpts): Use dot.
4022         (filesystem_error::_M_get_what): Use u8string() not native().
4023         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
4024         use symlinks.
4025         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
4026         Likewise.
4027         * testsuite/27_io/filesystem/operations/absolute.cc: Use
4028         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
4029         * testsuite/27_io/filesystem/operations/canonical.cc: Use
4030         path::string() to get narrow string, not path::native().
4031         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
4032         with std::filesystem::path not std::basic_string.
4033         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
4034         * testsuite/27_io/filesystem/operations/exists.cc: Use
4035         __gnu_test::root_path() instead of "/".
4036         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
4037         fstreams with std::filesystem::path not std::basic_string.
4038         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
4039         path::string() to get narrow string.
4040         * testsuite/27_io/filesystem/operations/space.cc: Check results for
4041         errors, expect sensible values otherwise.
4042         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
4043         helpers for adjusting the environment on Windows.
4044         * testsuite/27_io/filesystem/path/append/path.cc: Test
4045         Windows-specific behaviour.
4046         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
4047         of path::string_type objects.
4048         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
4049         string to wide string on Windows.
4050         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
4051         for backslash as root-directory.
4052         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
4053         path::string() to get narrow string.
4054         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
4055         paths.
4056         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
4057         not std::string.
4058         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
4059         different definintion of absolute paths on Windows.
4060         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
4061         Do not use symlinks.
4062         * testsuite/experimental/filesystem/operations/absolute.cc: Test
4063         Windows behaviour.
4064         * testsuite/experimental/filesystem/operations/copy.cc: Construct
4065         fstreams with NTCTS not std::basic_string.
4066         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
4067         * testsuite/experimental/filesystem/operations/exists.cc: Use
4068         __gnu_test::root_path() instead of "/".
4069         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
4070         fstreams with NTCTS not std::basic_string.
4071         * testsuite/experimental/filesystem/operations/last_write_time.cc:
4072         Use path::string() to get narrow string.
4073         * testsuite/experimental/filesystem/operations/space.cc: Use
4074         __gnu_test::root_path() instead of "/".
4075         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
4076         Add helpers for adjusting the environment on Windows.
4077         * testsuite/experimental/filesystem/path/append/path.cc: Use
4078         path::string() to get narrow strings for comparisons.
4079         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
4080         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
4081         Likewise.
4082         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
4083         * testsuite/experimental/filesystem/path/native/string.cc: Use
4084         string_type not std::string.
4085         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
4086         Adjust for different definintion of absolute paths on Windows.
4087         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
4088         function.
4089         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
4090         std::basic_string.
4091
4092 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
4093
4094         PR libstdc++/85951
4095         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
4096         uint_least16_t and uint_least32_t.
4097         (__make_unsigned<wchar_t>): Define unconditionally.
4098         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
4099         typedefs.
4100         (__make_unsigned_selector_base): New type to provide helper templates.
4101         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
4102         __make_unsigned_selector_base helpers.
4103         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
4104         (__make_signed_selector<_Tp, true, false>): Remove intermediate
4105         typedefs.
4106         (__make_signed<wchar_t>, __make_signed<char16_t>)
4107         (__make_signed<char32_t>)): Define unconditionally.
4108         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
4109         wchar_t, char16_t and char32_t are transformed correctly.
4110         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
4111         dg-error lineno.
4112         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
4113         wchar_t, char16_t and char32_t are transformed correctly.
4114         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
4115         dg-error lineno.
4116
4117 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
4118
4119         * include/std/variant (__erased_dtor): Qualify call to __get.
4120
4121 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
4122
4123         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
4124         (_Rb_tree(const allocator_type&)): Use latter.
4125         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
4126         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
4127         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
4128         * include/bits/stl_multimap.h
4129         (multimap(const allocator_type&)): Likewise.
4130         (multimap(initializer_list<value_type>, const allocator_type&)):
4131         Likewise.
4132         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
4133         Likewise.
4134         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
4135         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
4136         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
4137         * include/bits/stl_multiset.h
4138         (multiset(const allocator_type&)): Likewise.
4139         (multiset(initializer_list<value_type>, const allocator_type&)):
4140         Likewise.
4141         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
4142         Likewise.
4143
4144 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
4145
4146         PR libstdc++/85768
4147         * src/c++11/debug.cc: Remove backtrace usage.
4148
4149 2018-05-24  Maya Rashish  <coypu@sdf.org>
4150
4151         PR target/85904
4152         * crossconfig.m4: Test for aligned_alloc on netbsd.
4153         * configure: Regenerate.
4154
4155 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
4156
4157         PR libstdc++/69769
4158         PR libstdc++/85886
4159         * include/bits/atomic_base.h (__atomic_base::value_type)
4160         (__atomic_base::difference_type): Add new typedefs.
4161         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
4162         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
4163         (atomic<T*>::operator++, atomic<T*>::operator--)
4164         (atomic<T*>::operator+=, atomic<T*>::operator-=)
4165         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
4166         to enforce C++17 requirement on pointer arithmetic.
4167         (__atomic_val_t, __atomic_diff_t): New alias templates.
4168         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
4169         (atomic_compare_exchange_weak_explicit)
4170         (atomic_compare_exchange_strong_explicit, atomic_store)
4171         (atomic_exchange, atomic_compare_exchange_weak)
4172         (atomic_compare_exchange_strong): Use __atomic_val_t to make
4173         scalar parameters be non-deduced contexts.
4174         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
4175         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
4176         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
4177         parameters.
4178         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
4179         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
4180         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
4181         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
4182         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
4183         address types.
4184         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
4185         * testsuite/29_atomics/atomic/69769.cc: New test.
4186         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
4187         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
4188         Disable test for C++17 and later.
4189         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
4190         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
4191         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
4192         test.
4193
4194 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
4195
4196         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
4197         template to alias template.
4198         (path::__value_type_is_char): Use remove_const_t.
4199         (path:_S_string_from_iter): New helper function.
4200         (path::_S_convert(InputIter, __null_terminated))
4201         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
4202         Use _S_string_from_iter.
4203         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
4204         rep for COW strings.
4205         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
4206         Change from class template to alias template.
4207         (path::__value_type_is_char): Use remove_const.
4208         (path:_S_string_from_iter): New helper function.
4209         (path::_S_convert(InputIter, __null_terminated))
4210         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
4211         Use _S_string_from_iter.
4212         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
4213         wide strings.
4214         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
4215         string equality, not path equivalence.
4216         * testsuite/27_io/filesystem/path/construct/format.cc: Check
4217         construction from std::string and std::wstring and input iterators.
4218         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
4219         construction from iterators.
4220         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
4221         exact string equality, not path equivalence.
4222         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
4223         construction from iterators.
4224
4225         * include/bits/fs_path.h (path::_M_type): Change default member
4226         initializer to _Filename.
4227         (path::begin): Create past-the-end iterator for empty path.
4228         * src/filesystem/std-path.cc (path::remove_filename()): Remove
4229         debugging check.
4230         (path::has_relative_path()): Return false for empty filenames.
4231         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
4232         Fix offset of empty final component.
4233         * testsuite/27_io/filesystem/path/itr/components.cc: New.
4234         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
4235
4236 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
4237
4238         Add support for opening file streams from wide character strings.
4239         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
4240         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
4241         Define new overload.
4242         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
4243         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
4244         Declare new overload.
4245         * configure.ac: Check for _wfopen.
4246         * crossconfig.m4: Likewise.
4247         * configure: Regenerate.
4248         * config.h.in: Regenerate.
4249         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
4250         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
4251         Define new overload.
4252         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
4253         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
4254         Declare new overload.
4255         [_GLIBCXX_HAVE__WFOPEN]
4256         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
4257         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
4258         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
4259         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
4260         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
4261         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
4262         new overloads.
4263         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
4264         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
4265         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
4266         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
4267         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
4268         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
4269         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
4270
4271 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
4272
4273         PR libstdc++/85845
4274         * include/bits/stl_tree.h
4275         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
4276         qualification.
4277
4278 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
4279
4280         * src/filesystem/std-ops.cc (absolute): Report an error for empty
4281         paths.
4282         (weakly_canonical(const path&)): Do not call canonical on empty path.
4283         (weakly_canonical(const path&, error_code&)): Likewise.
4284         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
4285
4286         PR libstdc++/85818
4287         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
4288         dg-require-filesystem-ts.
4289
4290         PR libstdc++/85843
4291         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
4292         initialize base class to avoid warnings.
4293
4294 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
4295
4296         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
4297         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
4298         little_endian element in bitmask.
4299         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
4300         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
4301
4302 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
4303
4304         * include/bits/stl_tree.h
4305         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
4306         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
4307         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
4308         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
4309         * include/debug/map.h
4310         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
4311         * include/debug/multimap.h
4312         (multimap(multimap&&, const_allocator_type&)): Likewise.
4313         * include/debug/set.h
4314         (set(set&&, const_allocator_type&)): Likewise.
4315         * include/debug/multiset.h
4316         (multiset(multiset&&, const_allocator_type&)): Likewise.
4317         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
4318         Add checks.
4319         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
4320         Add checks.
4321         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
4322         Add checks.
4323         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
4324         Add checks.
4325         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
4326         Add checks.
4327         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
4328         Add checks.
4329         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
4330         Add checks.
4331         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
4332         Add checks.
4333
4334 2018-05-18  Jason Merrill  <jason@redhat.com>
4335
4336         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
4337         for conversion to const_iterator.  Add defaulted copy ops.
4338         * libsupc++/new (bad_alloc): Add defaulted copy ops.
4339         * libsupc++/exception.h (exception): Add defaulted copy ops.
4340         * include/std/system_error (system_error): Add defaulted copy ops.
4341         * include/std/stdexcept (domain_error, invalid_argument)
4342         (length_error, out_of_range, range_error, overflow_error)
4343         (underflow_error): Add defaulted copy ops.
4344         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
4345         copy assignment.
4346         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
4347         * include/ext/throw_allocator.h (condition_base): Add defaulted
4348         default and copy ctor and copy assignment.
4349
4350 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
4351
4352         PR libstdc++/85098
4353         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
4354         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
4355         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
4356         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
4357         definitions.
4358         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
4359         whitespace.
4360         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
4361         braces around body of do-while.
4362         * testsuite/28_regex/basic_regex/85098.cc: New
4363
4364 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
4365
4366         PR libstdc++/85818
4367         * src/filesystem/path.cc (path::preferred_separator): Add used
4368         attribute.
4369         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
4370
4371         PR libstdc++/85812
4372         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
4373         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
4374         Refactor to separate non-throwing and throwing implementations.
4375         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
4376         if constructing the object throws.
4377
4378 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
4379
4380         PR libstdc++/85749
4381         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
4382         (linear_congruential_engine, mersenne_twister_engine)
4383         (subtract_with_carry_engine, discard_block_engine)
4384         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
4385         constrain function templates taking seed sequences.
4386         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
4387         (mersenne_twister_engine::seed(_Sseq&))
4388         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
4389         match declarations.
4390         * include/ext/random (simd_fast_mersenne_twister_engine): Use
4391         __is_seed_seq to constrain function templates taking seed sequences.
4392         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
4393         Change return type to match declaration.
4394         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
4395         New.
4396         * testsuite/26_numerics/random/independent_bits_engine/cons/
4397         seed_seq2.cc: New.
4398         * testsuite/26_numerics/random/linear_congruential_engine/cons/
4399         seed_seq2.cc: New.
4400         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
4401         seed_seq2.cc: New.
4402         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
4403         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
4404         New.
4405         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
4406         seed_seq2.cc: New.
4407         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
4408         seed_seq2.cc: New.
4409
4410         PR libstdc++/83891
4411         * include/bits/fs_path.h (path::is_absolute()): Use same definition
4412         for all operating systems.
4413         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
4414         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
4415         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
4416         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
4417
4418         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
4419         unused <vector> header.
4420         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
4421         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
4422         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
4423         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
4424         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
4425         Likewise.
4426         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
4427         Likewise.
4428         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
4429         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
4430         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
4431         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
4432         * testsuite/experimental/filesystem/path/decompose/extension.cc:
4433         Likewise.
4434         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
4435         * testsuite/experimental/filesystem/path/query/has_extension.cc:
4436         Likewise.
4437         * testsuite/experimental/filesystem/path/query/has_filename.cc:
4438         Likewise.
4439         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
4440         Likewise.
4441         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
4442         Likewise.
4443         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
4444         Likewise.
4445         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
4446         Likewise.
4447         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
4448         Likewise.
4449         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
4450         * testsuite/experimental/filesystem/path/query/is_relative.cc:
4451         Likewise.
4452
4453         PR libstdc++/84159
4454         * include/bits/fs_path.h (path::operator/=, path::append): Construct
4455         temporary path before calling _M_append.
4456         (path::_M_append): Change parameter to path and implement C++17
4457         semantics.
4458         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
4459         and more examples from the standard.
4460         * testsuite/27_io/filesystem/path/append/source.cc: New.
4461         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
4462         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
4463
4464         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
4465         __invoke to prevent ADL.
4466
4467 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
4468
4469         PR libstdc++/81256
4470         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
4471         exceptions from _M_terminate_output().
4472         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
4473         exceptions from close().
4474         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
4475
4476         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
4477         (__valarray_get_storage): Call operator new directly. Remove ignored
4478         top-level restrict qualifier and add malloc attribute instead.
4479         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
4480
4481         PR libstdc++/67554
4482         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
4483         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
4484
4485         PR libstdc++/82966
4486         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
4487         instead of type.
4488         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
4489
4490 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
4491
4492         PR libstdc++/80165
4493         * testsuite/20_util/variant/80165.cc: New.
4494
4495 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
4496
4497         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
4498         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
4499         of C++11 containers with Debug Mode support.
4500         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
4501         * doc/html/*: Regenerate.
4502
4503 2018-05-10  Jason Merrill  <jason@redhat.com>
4504
4505         * include/bits/regex_compiler.h (_S_cache_size): Change from
4506         function to variable.
4507
4508 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
4509
4510         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
4511         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
4512         argument defaulted to +1.  Doxy comments on same.
4513         * testsuite/special_functions/02_assoc_legendre/
4514         check_value.cc: Regen.
4515         * testsuite/tr1/5_numerical_facilities/special_functions/
4516         02_assoc_legendre/check_value.cc: Regen.
4517
4518 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
4519
4520         PR libstdc++/85729
4521         * include/bits/c++config.h (__replacement_assert): Add linkage
4522         specification.
4523         * include/bits/std_abs.h: Add comment to closing brace of block.
4524         * include/c_global/cstddef: Add linkage specification.
4525         * include/c_global/cstring: Likewise.
4526         * include/c_global/cwchar: Likewise.
4527
4528 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
4529
4530         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
4531         Rename in...
4532         (_Safe_iterator<>::_S_constant()): ...that.
4533         * include/debug/safe_local_iterator.h
4534         (_Safe_local_iterator<>::_M_constant()): Rename in...
4535         (_Safe_local_iterator<>::_S_constant()): ...that.
4536         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
4537         (_Iterator_state::__rbegin): New.
4538         (_Iterator_state::__rmiddle): New.
4539         (_Iterator_state::__rend): New.
4540         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
4541         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
4542         iterator type.
4543         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
4544         _Is_iterator)): Likewise.
4545         (_Parameter::_S_reverse_state(_Iterator_state)): New.
4546         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
4547         _Is_iterator)): New.
4548         (_Parameter(std::reverse_iterator<> const&, const char*,
4549         _Is_iterator)): New.
4550         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
4551         const char*, _Is_iterator)): New.
4552         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
4553         New.
4554         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
4555         _Is_iterator)): New.
4556         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
4557         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
4558         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
4559
4560 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
4561
4562         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
4563         Use constexpr if in C++17 mode.
4564         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
4565         Copy from const object.
4566         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
4567
4568 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
4569
4570         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
4571         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
4572         backtrace.
4573
4574         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
4575         * include/debug/functions.h (__check_valid_range): Use latter.
4576         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
4577         use latter.
4578         * include/debug/deque
4579         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
4580         * include/debug/forward_list
4581         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
4582         Likewise.
4583         * include/debug/list
4584         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
4585         * include/debug/list
4586         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
4587         * include/debug/map.h
4588         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
4589         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
4590         Likewise.
4591         * include/debug/multimap.h
4592         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
4593         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
4594         const _Alloc&)): Likewise.
4595         * include/debug/set.h
4596         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
4597         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
4598         Likewise.
4599         * include/debug/multiset.h
4600         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
4601         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
4602         const _Alloc&)): Likewise.
4603         * include/debug/string
4604         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
4605         Likewise.
4606         * include/debug/unordered_map
4607         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
4608         Likewise.
4609         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
4610         const _Alloc&)): Likewise.
4611         * include/debug/unordered_set
4612         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
4613         Likewise.
4614         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
4615         const _Alloc&)): Likewise.
4616         * include/debug/vector
4617         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
4618
4619         * include/debug/formatter.h (_Error_formatter::_M_function): New.
4620         (_Error_formatter(const char*, unsigned int)): Adapt.
4621         (_Error_formatter::_M_at): Rename in...
4622         (_Error_formatter::_S_at): ...that and adapt.
4623         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
4624         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
4625         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
4626         when available.
4627
4628 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
4629
4630         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
4631         Use normal std::vector even in Debug Mode.
4632
4633         PR libstdc++/85672
4634         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
4635         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
4636         * include/Makefile.in: Regenerate.
4637         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
4638         within conditional block.
4639
4640 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
4641
4642         * doc/xml/manual/using.xml (table.cmd_options): Document that the
4643         C++17 Filesystem implementation also needs -lstdc++fs.
4644
4645         PR libstdc++/85671
4646         * include/bits/fs_path.h (operator/): Permit copy elision.
4647         * include/experimental/bits/fs_path.h (operator/): Likewise.
4648
4649 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
4650
4651         Moar PR libstdc++/80506
4652         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
4653         Fix magic number used in loop condition.
4654
4655 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
4656
4657         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
4658         * include/std/optional (_Optional_payload): Add noexcept to default
4659         constructor. Re-indent.
4660         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
4661         constructor for copying disengaged payloads.
4662         (_Optional_payload<_Tp, true, false, true>): Likewise.
4663         (_Optional_payload<_Tp, true, true, false>): Likewise.
4664         (_Optional_payload<_Tp, true, false, false>): Likewise.
4665         * testsuite/20_util/optional/cons/85642.cc: New.
4666         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
4667
4668 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
4669
4670         PR libstdc++/82644
4671         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
4672         inline definitions instead of using-declarations.
4673         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
4674         * testsuite/tr1/5_numerical_facilities/special_functions/
4675         07_conf_hyperg/compile_cxx17.cc: New.
4676         * testsuite/tr1/5_numerical_facilities/special_functions/
4677         17_hyperg/compile_cxx17.cc: New.
4678
4679         PR libstdc++/84769
4680         * include/std/variant (visit): Qualify std::get call.
4681
4682         PR libstdc++/85632 use uintmax_t for arithmetic
4683         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
4684         arithmetic in result type.
4685         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
4686         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
4687         is greater than free space.
4688         * testsuite/experimental/filesystem/operations/space.cc: New.
4689
4690         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
4691         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
4692         New.
4693         * testsuite/20_util/remove_cvref/value.cc: New.
4694         * testsuite/20_util/remove_cvref/value_ext.cc: New.
4695
4696         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
4697         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
4698         (append(const basic_string&, size_type, size_type)
4699         (assign(const basic_string&, size_type, size_type)
4700         (insert(size_type, const basic_string&, size_type, size_type)
4701         (replace(size_type,size_type,const basic_string&,size_type,size_type)
4702         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
4703         Add default arguments (LWG 2268).
4704         [_GLIBCXX_USE_CXX11_ABI=0]
4705         (append(const basic_string&, size_type, size_type)
4706         (assign(const basic_string&, size_type, size_type)
4707         (insert(size_type, const basic_string&, size_type, size_type)
4708         (replace(size_type,size_type,const basic_string&,size_type,size_type)
4709         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
4710         Likewise.
4711         * testsuite/21_strings/basic_string/dr2268.cc: New test.
4712
4713         PR libstdc++/84535
4714         * include/std/thread (thread::__not_same): New SFINAE helper.
4715         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
4716         first argument is not a std::thread. Add static assertion to check
4717         INVOKE expression is valid.
4718         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
4719         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
4720         __invoke_result for return types and remove exception specifications.
4721         * testsuite/30_threads/thread/cons/84535.cc: New.
4722
4723         * include/std/future (__async_result_of): Use __invoke_result instead
4724         of result_of.
4725
4726         * include/std/any (any_cast): Use __remove_cvref_t.
4727         * include/std/tuple (__make_tuple): Likewise.
4728         * include/std/type_traits (__remove_cvref_t): Define.
4729         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
4730         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
4731         * include/std/variant (__erased_hash): Use __remove_cvref_t.
4732
4733 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
4734
4735         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
4736         ensure overloaded comma not used.
4737         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
4738         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
4739         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
4740         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
4741         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
4742         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
4743         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
4744
4745 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
4746
4747         PR libstdc++/68197
4748         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
4749         indices to unsigned.
4750         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
4751         as failure. Refactor error handling.
4752         * testsuite/27_io/ios_base/storage/68197.cc: New.
4753
4754         PR libstdc++/57997
4755         PR libstdc++/83860
4756         * include/bits/gslice_array.h (gslice_array): Define default
4757         constructor as deleted, as per C++11 standard.
4758         * include/bits/mask_array.h (mask_array): Likewise.
4759         * include/bits/slice_array.h (slice_array): Likewise.
4760         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
4761         to namespace __detail.
4762         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
4763         members.
4764         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
4765         of data members in closure objects.
4766         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
4767         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
4768         __detail.
4769         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
4770         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
4771         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
4772         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
4773         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
4774         using-declarations to namespace std.
4775         * testsuite/26_numerics/valarray/83860.cc: New.
4776
4777         * testsuite/backward/strstream_move.cc: Remove duplicate function
4778         call.
4779
4780         PR libstdc++/69608
4781         * include/backward/strstream (strstreambuf): Define move constructor
4782         and move assignment operator.
4783         (istrstream, ostrstream, strstream): Likewise.
4784         * testsuite/backward/strstream_move.cc: New.
4785
4786 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
4787
4788         PR libstdc++/84654
4789         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
4790         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
4791         * configure: Regenerate.
4792         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
4793         based on ENABLE_FLOAT128.
4794         * include/Makefile.in: Regenerate.
4795         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
4796         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
4797         _GLIBCXX_USE_FLOAT128.
4798
4799 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
4800
4801         * configure: Regenerated.
4802
4803 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
4804
4805         * configure: Regenerated.
4806
4807 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
4808             Jakub Jelinek  <jakub@redhat.com>
4809
4810         PR libstdc++/85442
4811         * src/c++11/Makefile.am: Don't generate debuginfo again for
4812         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
4813         * src/c++11/Makefile.in: Regenerate.
4814
4815 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
4816
4817         PR libstdc++/84442
4818         * testsuite/30_threads/thread/cons/terminate.cc
4819         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
4820
4821 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
4822
4823         PR jit/85384
4824         * configure: Regenerate.
4825
4826 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
4827
4828         * testsuite/experimental/filesystem/file_status/1.cc: Add
4829         -DUSE_FILESYSTEM_TS to dg-options.
4830         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
4831         Likewise.
4832         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
4833         * testsuite/experimental/filesystem/iterators/
4834         recursive_directory_iterator.cc: Likewise.
4835         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
4836         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
4837         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
4838         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
4839         * testsuite/experimental/filesystem/operations/create_directories.cc:
4840         Likewise.
4841         * testsuite/experimental/filesystem/operations/create_directory.cc:
4842         Likewise.
4843         * testsuite/experimental/filesystem/operations/create_symlink.cc:
4844         Likewise.
4845         * testsuite/experimental/filesystem/operations/current_path.cc:
4846         Likewise.
4847         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
4848         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
4849         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
4850         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
4851         * testsuite/experimental/filesystem/operations/last_write_time.cc:
4852         Likewise.
4853         * testsuite/experimental/filesystem/operations/permissions.cc:
4854         Likewise.
4855         * testsuite/experimental/filesystem/operations/read_symlink.cc:
4856         Likewise.
4857         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
4858         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
4859         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
4860         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
4861         Likewise.
4862         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
4863         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
4864         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
4865         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
4866         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
4867         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
4868         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
4869         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
4870         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
4871         * testsuite/experimental/filesystem/path/construct/default.cc:
4872         Likewise.
4873         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
4874         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
4875         * testsuite/experimental/filesystem/path/construct/string_view.cc:
4876         Likewise.
4877         * testsuite/experimental/filesystem/path/decompose/extension.cc:
4878         Likewise.
4879         * testsuite/experimental/filesystem/path/decompose/filename.cc:
4880         Likewise.
4881         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
4882         Likewise.
4883         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
4884         Likewise.
4885         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
4886         Likewise.
4887         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
4888         Likewise.
4889         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
4890         Likewise.
4891         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
4892         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
4893         Likewise.
4894         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
4895         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
4896         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
4897         Likewise.
4898         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
4899         Likewise.
4900         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
4901         Likewise.
4902         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
4903         Likewise.
4904         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
4905         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
4906         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
4907         Likewise.
4908         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
4909         * testsuite/experimental/filesystem/path/query/has_extension.cc:
4910         Likewise.
4911         * testsuite/experimental/filesystem/path/query/has_filename.cc:
4912         Likewise.
4913         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
4914         Likewise.
4915         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
4916         Likewise.
4917         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
4918         Likewise.
4919         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
4920         Likewise.
4921         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
4922         Likewise.
4923         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
4924         * testsuite/experimental/filesystem/path/query/is_relative.cc:
4925         Likewise.
4926
4927 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
4928
4929         * src/c++11/Makefile.am: Fix sed command.
4930         * src/c++11/Makefile.in: Regenerate.
4931
4932         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
4933         handle mangled names starting with double underscores on darwin.
4934         * src/c++11/Makefile.in: Regenerate.
4935
4936 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
4937
4938         * src/c++11/Makefile.am: Fix comment.
4939         * src/c++11/Makefile.in: Regenerate.
4940         * src/c++11/cxx11-ios_failure.cc: Fix comment.
4941         * src/c++98/ios_failure.cc: Likewise.
4942
4943         * src/c++11/ios.cc: Remove redundant macro definition.
4944
4945 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
4946
4947         * doc/xml/manual/abi.xml: Document header locations in recent
4948         releases.
4949         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
4950         * doc/xml/manual/spine.xml: Update copyright years.
4951         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
4952         undefined behaviour.
4953         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
4954         * doc/html/*: Regenerate.
4955
4956 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
4957
4958         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
4959         * doc/xml/manual/backwards_compatibility.xml: Likewise.
4960         * doc/xml/manual/containers.xml: Likewise.
4961         * doc/xml/manual/debug_mode.xml: Likewise.
4962         * doc/xml/manual/extensions.xml: Likewise.
4963         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
4964         * doc/xml/manual/using.xml: Likewise.
4965         * doc/xml/manual/utilities.xml: Likewise.
4966
4967         PR libstdc++/85222
4968         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
4969         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
4970         * src/c++11/Makefile.in: Regenerate.
4971         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
4972         New types.
4973         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
4974         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
4975         * src/c++98/ios_failure.cc (__construct_ios_failure)
4976         (__destroy_ios_failure, is_ios_failure_handler): New functions.
4977         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
4978         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
4979         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
4980         handler types, to always catch std::ios_base::failure.
4981         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
4982         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
4983         exceptions_failbit.cc: Likewise.
4984         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
4985         exceptions_failbit.cc: Likewise.
4986         * testsuite/27_io/basic_istream/extractors_other/char/
4987         exceptions_null.cc: Likewise.
4988         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
4989         exceptions_null.cc: Likewise.
4990         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
4991         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
4992         * testsuite/27_io/basic_ostream/inserters_other/char/
4993         exceptions_null.cc: Likewise.
4994         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
4995         exceptions_null.cc: Likewise.
4996         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
4997
4998 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
4999
5000         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
5001         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
5002
5003 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
5004
5005         PR libstdc++/85183
5006         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
5007         value categories.
5008         * testsuite/20_util/variant/85183.cc: New.
5009
5010 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
5011
5012         * include/std/variant (__get): Qualify calls to avoid ADL.
5013         (__select_index): Adjust whitespace.
5014         (variant): Add using-declaration to workaround Clang bug.
5015
5016 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
5017
5018         PR libstdc++/85040
5019         * include/bits/stl_function.h (greater::__not_overloaded)
5020         (less::__not_overloaded, greater_equal::__not_overloaded)
5021         (less_equal::__not_overloaded): Fix ambiguous specializations.
5022         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
5023         tests for type with overloaded operators.
5024
5025 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5026
5027         PR libstdc++/77691
5028         * testsuite/experimental/memory_resource/resource_adaptor.cc:
5029         xfail execution on 32-bit Solaris/x86.
5030
5031 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
5032
5033         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
5034         VERIFY instead of assert.
5035         * testsuite/20_util/hash/84998.cc: New test.
5036         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
5037         copy of test adjusted for Debug Mode.
5038         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
5039         test in Debug Mode.
5040
5041 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
5042
5043         PR libstdc++/84998
5044         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
5045         * include/std/bitset: Likewise.
5046         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
5047         declaration.
5048         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
5049         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
5050         * include/bits/stl_set.h (std::set<>): Likewise.
5051         * include/bits/unordered_map.h (std::unordered_map<>): Fix
5052         _Hash_merge_helper friend declaration.
5053         (std::unordered_multimap<>): Likewise.
5054         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
5055         (std::unordered_multiset<>): Likewise.
5056
5057 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
5058
5059         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
5060         trailing slash for domain level link.
5061         * doc/xml/faq.xml: Ditto.
5062         * doc/xml/manual/appendix_free.xml (software): Ditto.
5063         * doc/xml/manual/intro.xml: Ditto.
5064         * doc/xml/manual/spine.xml: Ditto.
5065         * doc/xml/spine.xml: Ditto.
5066
5067 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
5068
5069         * doc/xml/manual/documentation_hacking.xml: Adjust link to
5070         docbook.org.
5071
5072 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
5073
5074         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
5075         to compile as C++98.
5076
5077 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
5078
5079         PR libstdc++/78420
5080         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
5081         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
5082         to ensure total order for pointers.
5083         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
5084         Add operator() overloads for pointer arguments and make generic
5085         overloads dispatch to new _S_cmp functions when comparisons would
5086         use built-in operators for pointers.
5087         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
5088
5089 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
5090
5091         PR libstdc++/84773
5092         PR libstdc++/83662
5093         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
5094         * configure: Regenerate.
5095         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
5096         (aligned_alloc): Add using-declaration.
5097         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
5098
5099 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
5100
5101         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
5102         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
5103         registration.
5104
5105 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
5106
5107         PR libstdc++/84769
5108         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
5109         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
5110
5111         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
5112         src/filesystem/std-ops.cc (create_dir): Likewise.
5113
5114 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
5115
5116         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
5117         (StdListIteratorPrinter): Inherit from latter.
5118         (StdFwdListIteratorPrinter): New, inherit from latter.
5119         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
5120         when iterator has no associated container.
5121         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
5122         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
5123         registrations.
5124         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
5125         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
5126
5127 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
5128
5129         PR libstdc++/84601
5130         * include/std/optional (_Optional_payload): Split into multiple
5131         specializations that can handle different cases of trivial or
5132         non-trivial assignment operators.
5133         * testsuite/20_util/optional/84601.cc: New.
5134         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
5135
5136 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
5137
5138         PR libstdc++/84671
5139         * include/bits/parse_numbers.h (_Number_help): Add partial
5140         specialization to handle digit separators. Adjust partial
5141         specialization for recursion temrination to require _Pow == 1ULL.
5142         * testsuite/20_util/duration/literals/84671.cc: New
5143
5144 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
5145
5146         Implement the missing bits of LWG 2769
5147         * include/std/any (any_cast(const any&)): Add static_assert.
5148         (any_cast(any&)): Likewise.
5149         (any_cast(any&&)): Likewise, and remove the handling
5150         for copyable-but-not-movable type.
5151         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
5152         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
5153         add new tests.
5154
5155 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
5156
5157         PR libstdc++/84532
5158         * include/std/thread (thread::__make_invoker): Construct tuple
5159         directly instead of using make_tuple.
5160         * testsuite/30_threads/async/84532.cc: New.
5161         * testsuite/30_threads/thread/84532.cc: New.
5162
5163 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
5164
5165         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
5166         (template<> __aligned_buffer): Define as __aligned_membuf alias.
5167
5168 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
5169
5170         PR target/84148
5171         * configure: Regenerate.
5172
5173 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
5174
5175         PR libstdc++/81797
5176         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
5177         * configure: Regenerate.
5178         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
5179         defined.
5180         * include/Makefile.in: Regenerate.
5181
5182 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
5183
5184         PR libstdc++/83833
5185         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
5186         Add -ffloat-store to options for m68k and ia32.
5187
5188         * doc/xml/faq.xml: Update copyright years.
5189         * doc/html/*: Regenerate.
5190
5191         PR libstdc++/83658
5192         * include/std/any (any::__do_emplace): Only set _M_manager after
5193         constructing the contained object.
5194         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
5195         * testsuite/20_util/any/modifiers/83658.cc: New test.
5196
5197 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
5198
5199         PR libstdc++/81076
5200         * include/c_global/cstddef (__byte_operand): Define primary template.
5201         * testsuite/18_support/byte/81076.cc: New test.
5202
5203 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
5204
5205         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
5206         dg-options and dg-add-options order.
5207         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
5208         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
5209         Likewise.
5210         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
5211         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
5212         Likewise.
5213         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
5214         Likewise.
5215         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
5216         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
5217         Likewise.
5218         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
5219         Likewise.
5220         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
5221         Likewise.
5222         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
5223         Likewise.
5224         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
5225         Likewise.
5226         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
5227         Likewise.
5228         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
5229         Likewise.
5230         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
5231         Likewise.
5232         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
5233         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
5234         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
5235         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
5236         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
5237         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
5238         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
5239         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
5240         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
5241         Likewise.
5242         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
5243         Likewise.
5244         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
5245         Likewise.
5246         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
5247         Likewise.
5248
5249 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
5250
5251         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
5252         include linux/types.h when checking linux/random.h header.
5253         * config.h.in: Regenerate.
5254         * configure: Ditto.
5255         * src/c++11/random.cc: Conditionally include linux/types.h.
5256
5257 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
5258
5259         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
5260
5261 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
5262
5263         PR libstdc++/83834
5264         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
5265         pattern with exact match for std::cerr.
5266
5267 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
5268
5269         PR libstdc++/83833
5270         * include/bits/random.h (chi_squared_distribution::param): Update
5271         gamma distribution parameter.
5272         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
5273         test.
5274
5275         PR libstdc++/83830
5276         * include/std/type_traits (has_unique_object_representations_v): Add
5277         variable template.
5278         * testsuite/20_util/has_unique_object_representations/value.cc: Check
5279         variable template.
5280
5281 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
5282
5283         Make optional conditionally
5284         trivially_{copy,move}_{constructible,assignable}
5285         * include/std/optional (_Optional_payload): Fix the comment in
5286         the class head and turn into a primary and one specialization.
5287         (_Optional_payload::_M_engaged): Strike the NSDMI.
5288         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
5289         New.
5290         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
5291         Likewise.
5292         (_Optional_payload<_Tp, false>::_M_get): Likewise.
5293         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
5294         (_Optional_base_impl): Likewise.
5295         (_Optional_base): Turn into a primary and three specializations.
5296         (optional(nullopt)): Change the base init.
5297         * testsuite/20_util/optional/assignment/8.cc: New.
5298         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
5299         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
5300
5301 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
5302
5303         PR libstdc++/80276
5304         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
5305         (get_template_arg_list): New.
5306         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
5307         instead.
5308         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
5309         of strings and regular expressions.
5310         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
5311         (FilteringTypePrinter): Add docstring. Match using startswith. Use
5312         strip_inline_namespaces instead of strip_versioned_namespace.
5313         (add_one_type_printer): Prepend namespace to match argument.
5314         (register_type_printers): Add type printers for char16_t and char32_t
5315         string types and for types using cxx11 ABI. Update calls to
5316         add_one_template_type_printer to provide default argument dicts.
5317         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
5318         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
5319         basic_string<unsigned char> and basic_string<signed char>.
5320         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
5321         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
5322
5323 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
5324
5325         PR libstdc++/81092
5326         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
5327
5328 2018-01-13  Tim Shen  <timshen@google.com>
5329
5330         PR libstdc++/83601
5331         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
5332         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
5333         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
5334
5335 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5336
5337         PR libstdc++/64054
5338         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
5339         Remove dg-xfail-run-if.
5340
5341 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
5342
5343         * include/bits/forward_list.h
5344         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
5345         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
5346         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
5347         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
5348         (_Fwd_list_impl()): Add noexcept qualification.
5349         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
5350         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
5351         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
5352         (_Fwd_list_base()): Default.
5353         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
5354         (_Fwd_list_base(_Fwd_list_base&&)): Default.
5355         (forward_list<>()): Default.
5356         (forward_list<>(forward_list&&)): Default.
5357         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
5358         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
5359         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
5360         * include/bits/forward_list.tcc
5361         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
5362         _M_impl._M_head move assignment.
5363         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
5364         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
5365
5366 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
5367
5368         PR libstdc++/80276
5369         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
5370         (UniquePointerPrinter): Print correct template argument, not type of
5371         the pointer.
5372         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
5373         a type.
5374         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
5375         array type.
5376         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
5377         weak_ptr of array types.
5378
5379 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
5380
5381         PR libstdc++/83709
5382         * include/bits/hashtable_policy.h
5383         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
5384         __first != __last.
5385         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
5386         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
5387         Add false_type parameter.
5388         (_Insert_base::insert): Adapt.
5389         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
5390         Adapt.
5391         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
5392          Add __n_elt parameter, defaulted to 1.
5393         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
5394         policy _M_need_rehash.
5395         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
5396         produce only 1 rehash if necessary.
5397         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
5398         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
5399
5400 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
5401             Jonathan Wakely  <jwakely@redhat.com>
5402
5403         PR libstdc++/59253 (partial)
5404         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
5405         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
5406         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
5407         children.
5408         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
5409         of unique_ptr printer.
5410         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
5411         output of shared_ptr printer.
5412
5413 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
5414
5415         PR libstdc++/83626
5416         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
5417         unnecessary symlink_status call.
5418         (remove_all(const path&, error_code&)): Use filesystem::remove.
5419         * src/filesystem/std-ops.cc: Likewise.
5420
5421         PR libstdc++/83279
5422         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
5423         sendfile.
5424
5425         PR libstdc++/83626
5426         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
5427         report an error for ENOENT.
5428         (remove_all(const path&)): Fix type of result variable.
5429         (remove_all(const path&, error_code&)): Use non-throwing increment
5430         for directory iterator. Call POSIX remove directly to avoid redundant
5431         calls to symlink_status. Do not report errors for ENOENT.
5432         * src/filesystem/std-ops.cc: Likewise.
5433         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
5434         overload.
5435         * testsuite/experimental/filesystem/operations/remove_all.cc:
5436         Likewise.
5437
5438 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
5439
5440         PR libstdc++/83626
5441         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
5442         redundant call to ec.clear().
5443         (remove_all(const path&, error_code&))): Do not return an error for
5444         non-existent paths.
5445         * src/filesystem/std-ops.cc: Likewise.
5446         * testsuite/27_io/filesystem/operations/remove.cc: New test.
5447         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
5448         results for non-existent paths.
5449         * testsuite/experimental/filesystem/operations/remove.cc: New test.
5450         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
5451         expected results for non-existent paths.
5452
5453         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
5454         check status_known once.
5455         * include/experimental/bits/fs_ops.h: Likewise.
5456
5457         PR libstdc++/83607
5458         * include/std/functional (__is_byte_like): New trait.
5459         (__is_std_equal_to): Remove.
5460         (__boyer_moore_base_t): Use __is_byte_like instead of
5461         __is_std_equal_to.
5462         * include/experimental/functional (__is_std_equal_to): Remove.
5463         (__boyer_moore_base_t): Use __is_byte_like instead of
5464         __is_std_equal_to.
5465         * testsuite/20_util/function_objects/83607.cc: New test.
5466
5467 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
5468
5469         Protect optional's deduction guide with the feature macro
5470         * include/std/optional: Use the feature macro.
5471
5472 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
5473
5474         Update copyright years.
5475 \f
5476 Copyright (C) 2018 Free Software Foundation, Inc.
5477
5478 Copying and distribution of this file, with or without modification,
5479 are permitted in any medium without royalty provided the copyright
5480 notice and this notice are preserved.