libstdc++-v3/ChangeLog

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