libstdc++-v3/ChangeLog

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