libstdc++-v3/ChangeLog

   1 2018-08-30  Sandra Loosemore  <sandra@codesourcery.com>
   2
   3         * testsuite/experimental/propagate_const/observers/1.cc: Make
   4         dependence on -fdelete-null-pointer-checks explicit.
   5
   6 2018-08-30  Jonathan Wakely  <jwakely@redhat.com>
   7
   8         * include/bits/hashtable_policy.h (__clp2): Fix calculation for LLP64
   9         targets where sizeof(size_t) > sizeof(long). Avoid undefined shifts
  10         of the number of bits in the type.
  11         * include/std/bit (__ceil2): Avoid undefined shifts.
  12         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Test values with
  13         the most signifiant bit set.
  14
  15         * config/abi/pre/gnu.ver: Add missing exports for mingw.
  16
  17         * include/ext/pointer.h (_Pointer_adapter): Define operators for
  18         pointer arithmetic using long long offsets.
  19         * testsuite/ext/ext_pointer/1.cc: Test pointer arithmetic using
  20         long long values.
  21
  22 2018-08-29  Jonathan Wakely  <jwakely@redhat.com>
  23
  24         PR libstdc++/31413
  25         * testsuite/22_locale/time_get/get_date/wchar_t/4.cc: Check D_FMT
  26         string for alternative format.
  27
  28 2018-08-28  Jonathan Wakely  <jwakely@redhat.com>
  29
  30         PR libstdc++/87116
  31         * src/filesystem/std-path.cc (path::lexically_normal): When handling
  32         a dot-dot filename, preserve an empty final component in the iteration
  33         sequence.
  34         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use preferred-separator for
  35         root-directory.
  36         * testsuite/27_io/filesystem/path/generation/normal.cc: Add new tests
  37         for more than two adjacent dot-dot filenames.
  38         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Replace slashes with
  39         preferred-separator in expected normalized strings.
  40
  41 2018-08-25  Iain Sandoe  <iain@sandoe.co.uk>
  42
  43         PR libstdc++/70694
  44         * configure.host (OPT_LDFLAGS): Don't append
  45         -fvisibility-inlines-hidden for newer Darwin.
  46
  47 2018-08-24  Marc Glisse  <marc.glisse@inria.fr>
  48
  49         PR libstdc++/86822
  50         * libsupc++/new (operator new(size_t, nothrow_t), operator
  51         new[](size_t, nothrow_t), operator new(size_t, align_val_t, nothrow_t),
  52         operator new[](size_t, align_val_t, nothrow_t)): Add malloc attribute.
  53
  54 2018-08-24  Jonathan Wakely  <jwakely@redhat.com>
  55
  56         * include/debug/deque (std::__debug::deque): Declare.
  57         * include/debug/forward_list (std::__debug::forward_list): Declare.
  58         * include/debug/list (std::__debug::list): Declare.
  59         * include/debug/map (std::__debug::map): Declare.
  60         * include/debug/set (std::__debug::set): Declare.
  61         * include/debug/unordered_map (std::__debug::unordered_map): Declare.
  62         * include/debug/unordered_set (std::__debug::unordered_set): Declare.
  63         * include/debug/vector (std::__debug::vector): Declare.
  64         * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: New test.
  65         * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: New
  66         test.
  67         * testsuite/23_containers/list/pmr_typedefs_debug.cc: New test.
  68         * testsuite/23_containers/map/pmr_typedefs_debug.cc: New test.
  69         * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: New test.
  70         * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: New test.
  71         * testsuite/23_containers/set/pmr_typedefs_debug.cc: New test.
  72         * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc: New
  73         test.
  74         * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
  75         New test.
  76         * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
  77         New test.
  78         * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc: New
  79         test.
  80         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
  81         Adjust dg-error lineno.
  82         * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: New
  83         test.
  84
  85 2018-08-23  Jonathan Wakely  <jwakely@redhat.com>
  86
  87         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
  88         Only define when RTTI is enabled.
  89
  90         * include/debug/vector (__niter_base): Define for C++98.
  91
  92         * testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
  93         Fix C++98 test to not use C++11 features.
  94         * testsuite/25_algorithms/fill_n/2.cc: Likewise.
  95
  96         * scripts/check_compile: Fix comments.
  97
  98         * include/debug/string (insert(__const_iterator, _InIter, _InIter)):
  99         [!_GLIBCXX_USE_CXX11_ABI]: Replace use of C++11-only cbegin() with
 100         begin(), for C++98 compatibility.
 101
 102         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 103         (basic_string::__const_iterator): Change access to protected.
 104         [!_GLIBCXX_USE_CXX11_ABI] (basic_string::__const_iterator): Define
 105         as typedef for iterator.
 106         * include/debug/string (__const_iterator): Use typedef from base.
 107         (insert(const_iterator, _CharT))
 108         (replace(const_iterator, const_iterator, const basic_string&))
 109         (replace(const_iterator, const_iterator, const _CharT*, size_type))
 110         (replace(const_iterator, const_iterator, const CharT*))
 111         (replace(const_iterator, const_iterator, size_type, _CharT))
 112         (replace(const_iterator, const_iterator, _InputIter, _InputIter))
 113         (replace(const_iterator, const_iterator, initializer_list<_CharT>)):
 114         Change const_iterator parameters to __const_iterator.
 115         (insert(iterator, size_type, _CharT)): Add C++98 overload.
 116         (insert(const_iterator, _InputIterator, _InputIterator)): Change
 117         const_iterator parameter to __const_iterator.
 118         [!_GLIBCXX_USE_CXX11_ABI]: Add workaround for incorrect return type
 119         of base's member function.
 120         (insert(const_iterator, size_type, _CharT)) [!_GLIBCXX_USE_CXX11_ABI]:
 121         Likewise.
 122         (insert(const_iterator, initializer_list<_CharT>))
 123         [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
 124         * testsuite/21_strings/basic_string/init-list.cc: Remove effective
 125         target directive.
 126
 127         * testsuite/20_util/reference_wrapper/lwg2993.cc: Fix C++11 test to
 128         not use C++14 feature.
 129         * testsuite/23_containers/list/68222_neg.cc: Likewise.
 130
 131         * testsuite/21_strings/basic_string/init-list.cc:
 132         Require cxx11-abi.
 133         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
 134         Likewise.
 135         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
 136         Likewise.
 137
 138         * testsuite/23_containers/deque/capacity/max_size.cc: Fix test for
 139         C++98 mode.
 140         * testsuite/23_containers/deque/modifiers/assign/1.cc: Likewise.
 141         * testsuite/23_containers/list/modifiers/assign/1.cc: Likewise.
 142         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: Likewise.
 143         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
 144         * testsuite/23_containers/vector/modifiers/assign/1.cc: Likewise.
 145
 146 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
 147
 148         PR libstdc++/87061
 149         * include/experimental/regex [!_GLIBCXX_USE_CXX11_ABI]
 150         (experimental::pmr::match_results, experimental::pmr::cmatch)
 151         (experimental::pmr::smatch, experimental::pmr::wcmatch)
 152         (experimental::pmr::wsmatch): Do not declare for gcc4-compatible ABI,
 153         because COW strings don't support C++11 allocator model.
 154         * include/experimental/string [!_GLIBCXX_USE_CXX11_ABI]
 155         (experimental::pmr::basic_string, experimental::pmr::string)
 156         (experimental::pmr::u16string, experimental::pmr::u32string)
 157         (experimental::pmr::wstring): Likewise.
 158         * include/std/regex [!_GLIBCXX_USE_CXX11_ABI] (pmr::match_results)
 159         (pmr::cmatch, pmr::smatch, pmr::wcmatch, pmr::wsmatch): Likewise.
 160         * include/std/string [!_GLIBCXX_USE_CXX11_ABI] (pmr::basic_string)
 161         (pmr::string, pmr::u16string, pmr::u32string, pmr::wstring): Likewise.
 162         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Require
 163         cxx11-abi.
 164         * testsuite/28_regex/match_results/pmr_typedefs.cc: Likewise.
 165
 166         PR libstdc++/78448
 167         * include/bits/deque.tcc (deque::_M_range_initialize): Use
 168         _S_check_init_len to check size.
 169         (deque::_M_push_back_aux, deque::_M_push_front_aux): Throw length
 170         error if size would exceed max_size().
 171         * include/bits/stl_deque.h (_Deque_base::size_type): Remove typedef.
 172         (_Deque_base(_Deque_base&&, const allocator_type&, size_t)): Use
 173         size_t instead of size_type.
 174         (deq(size_type, const allocator_type&)
 175         (deq(size_type, const value_type&, const allocator_type&)
 176         (deque::_M_initialize_dispatch): Use _S_check_init_len to check size.
 177         (deque::max_size): Call _S_max_size.
 178         (deque::_S_check_init_len, deque::_S_max_size): New functions.
 179         * include/bits/stl_vector.h (vector(size_type, const allocator_type&))
 180         (vector(size_type, const value_type&, const allocator_type&))
 181         (vector::_M_initialize_dispatch, vector::_M_range_initialize): Use
 182         _S_check_init_len to check size.
 183         (vector::max_size): Call _S_max_size.
 184         (vector::_M_check_len): Prevent max from being expanded as a
 185         function-like macro.
 186         (vector::_S_check_init_len, vector::_S_max_size): New functions.
 187         * include/bits/vector.tcc (vector::_M_assign_aux): Use
 188         _S_check_init_len to check size.
 189         * testsuite/23_containers/deque/capacity/max_size.cc: New test.
 190         * testsuite/23_containers/vector/capacity/max_size.cc: New test.
 191
 192 2018-08-22  François Dumont  <fdumont@gcc.gnu.org>
 193
 194         PR libstdc++/68222
 195         * include/debug/safe_iterator.h
 196         (_Safe_iterator<_It, _Sq, _Cat>): Add category template parameter.
 197         (_Safe_iterator<>::_Const_iterator): Remove.
 198         (_Safe_iterator<>::_IsConstant): New.
 199         (_Safe_iterator<>::_OtherIterator): New.
 200         (_Safe_iterator<_It, _Sq, _Cat>::_Safe_iterator<_MutIte>(
 201         const _Safe_iterator<_MutIte, _Sq, _Cat>&)): Add _IsConstant::__value in
 202         __gnu_cxx::__enable_if condition.
 203         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to): New.
 204         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_from_begin): New.
 205         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to_end): New.
 206         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>): New.
 207         (_Safe_iterator<_It, _Sq, _Cat>::operator--()): Move...
 208         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 209         ::operator--()): ...here.
 210         (_Safe_iterator<_It, _Sq, _Cat>::operator--(int)): Move...
 211         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 212         ::operator--(int)): ...here.
 213         (_Safe_iterator<_It, _Sq, _Cat>::_M_decrementable()): Move...
 214         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 215         ::_M_decrementable()): ...here.
 216         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>): New.
 217         (_Safe_iterator<_It, _Sq, _Cat>::operator[](const difference_type&)):
 218         Move...
 219         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 220         ::operator[](const difference_type&)): ...here.
 221         (_Safe_iterator<_It, _Sq, _Cat>::operator+=(const difference_type&)):
 222         Move...
 223         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 224         ::operator+=(const difference_type&)): ...here.
 225         (_Safe_iterator<_It, _Sq, _Cat>::operator+(const difference_type&)):
 226         Move...
 227         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 228         ::operator+(const difference_type&)): ...here.
 229         (_Safe_iterator<_It, _Sq, _Cat>::operator-=(const difference_type&)):
 230         Move...
 231         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 232         ::operator-=(const difference_type&)): ...here.
 233         (_Safe_iterator<_It, _Sq, _Cat>::operator-(const difference_type&)):
 234         Move...
 235         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 236         ::operator-(const difference_type&)): ...here.
 237         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 238         Constraint to random access iterators.
 239         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 240         Likewise.
 241         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 242         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 243         Likewise.
 244         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 245         (operator+(const difference_type&, const _Safe_iterator<>&)): Likewise.
 246         (__check_dereferenceable(const _Safe_iterator<>&)): Remove.
 247         (__get_distance): Remove.
 248         (__get_distance_from_begin): Remove.
 249         (__get_distance_to_end): Remove.
 250         (struct __is_safe_random_iterator<_Safe_iterator<>>): Remove partial
 251         specialization.
 252         (__base(const _Safe_iterator<>&, std::input_iterator_tag)): Remove.
 253         (__base(const _Safe_iterator<>&, std::random_access_iterator_tag)): Remove.
 254         (__base(const _Safe_iterator<>&)): Constraint to random access iterator.
 255         * include/debug/safe_iterator.tcc
 256         (_Safe_iterator<>::_M_get_distance_from_begin()): New.
 257         (_Safe_iterator<>::_M_get_distance_to_end()): New.
 258         (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator<>&)): New.
 259         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 260         ::_M_valid_range): New.
 261         * include/debug/safe_local_iterator.h
 262         (_Safe_local_iterator<>::_Const_local_iterator): Remove.
 263         (_Safe_local_iterator<>::_IsConstant): New.
 264         (_Safe_local_iterator<>::_OtherIterator): New.
 265         (_Safe_local_iterator<_It, _Cont>::_Safe_local_iterator<_MutIte, _Cont>(
 266         const _Safe_local_iterator<_MutIte, _Seq>&)): Add _IsConstant::__value
 267         in __gnu_cxx::__enable_if condition. If singular compare base iterator
 268         with _MutIte rather than _It.
 269         (_Safe_local_iterator<>::_S_constant): Make constexpr.
 270         (_Safe_local_iterator<>::_M_get_distance_to): New.
 271         (__check_dereferenceable(const _Safe_local_iterator<>&)): Remove.
 272         (__get_distance(const _Safe_local_iterator<>&,
 273         const _Safe_local_iterator<>&, std::input_iterator_tag)): Remove.
 274         (__valid_range(const _Safe_local_iterator<>&,
 275         const _Safe_local_iterator<>&)): New.
 276         * include/debug/safe_local_iterator.tcc
 277         (_Safe_local_iterator<>::_M_get_distance_to): New.
 278         * include/debug/deque (std::__debug::deque<>): Add
 279         ::__gnu_debug::_Safe_iterator<> friend declaration.
 280         * include/debug/forward_list (std::__debug::forward_list<>): Likewise.
 281         * include/debug/list (std::__debug::list<>): Likewise.
 282         * include/debug/map.h (std::__debug::map<>): Likewise.
 283         * include/debug/multimap.h (std::__debug::multimap<>): Likewise.
 284         * include/debug/set.h (std::__debug::set<>): Likewise.
 285         * include/debug/multiset.h (std::__debug::multiset<>): Likewise.
 286         * include/debug/string (std::__debug::basic_string<>): Likewise.
 287         * include/debug/unordered_map (std::__debug::unordered_map<>): Likewise
 288         and add ::__gnu_debug::_Safe_local_iterator<> friend declaration.
 289         (std::__debug::unordered_multimap<>): Likewise.
 290         * include/debug/unordered_set (std::__debug::unordered_set<>): Likewise.
 291         (std::__debug::unordered_multiset<>): Likewise.
 292         * include/debug/formatter.h: Adapt.
 293         * include/debug/helper_functions.h
 294         (__gnu_debug::_Safe_local_iterator<>): Add declaration.
 295         (__get_distance<_Ite>(_Ite, _Ite, std::random_access_iterator_tag):
 296         Pass parameter by copy.
 297         (__get_distance<_Ite>(_Ite, _Ite, std::input_iterator_tag): Likewise.
 298         (__get_distance<_Ite>(_Ite, _Ite): Likewise.
 299         (__valid_range_aux<_Integral>): Pass _Integral by copy.
 300         (__valid_range<_InputIterator>): Pass _InputIterator by copy.
 301         (__valid_range<>(const _Safe_iterator<>&,
 302         const _Safe_iterator<>&, typename _Distance_traits<>::__type&)):
 303         Declare.
 304         (__valid_range(const _Safe_local_iterator<>&,
 305         const _Safe_local_iterator<>&, typename _Distance_traits<>::__type&)):
 306         Declare.
 307         (__valid_range<>(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 308         Declare.
 309         (__valid_range(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&)):
 310         Declare.
 311         (__can_advance): Adapt.
 312         (struct __is_safe_random_iterator<>): Remove.
 313         (struct _SIter_base<>): Remove.
 314         * include/debug/functions.h: Include <bits/stl_iterator.h>.
 315         (__check_dereferenceable): Remove.
 316         (__foreign_iterator_aux4, __foreign_iterator_aux3): Adapt.
 317         (__foreign_iterator_aux2, __foreign_iterator_aux): Adapt.
 318         (__foreign_iterator): Adapt.
 319         * include/debug/stl_iterator.h
 320         (__is_safe_random_iterator<std::reverse_iterator<>>): Remove.
 321         (__base(const std::reverse_iterator<_Safe_iterator<_It, _Sq>)):
 322         Constraint for random access iterators.
 323         (__niter_base): Adapt.
 324         * testsuite/util/testsuite_containers.h:
 325         Include <bits/boost_concept_check.h>.
 326         (iterator_concept_checks<_It, _Mutable, _Category>): New.
 327         (citerator<_Cont>::forward_members::forward_members()): Instantiate
 328         latter for container iterator and const_iterator.
 329         * testsuite/23_containers/list/68222_neg.cc: New.
 330         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: Adapt
 331         line number.
 332         * testsuite/23_containers/unordered_set/debug/debug_functions.cc:
 333         (test01): Remove.
 334         * testsuite/23_containers/vector/debug/debug_functions.cc (test01):
 335         Remove.
 336
 337 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
 338
 339         PR libstdc++/77854
 340         * doc/xml/manual/status_cxx1998.xml: Document size_type and
 341         difference_type for containers.
 342         * doc/html/*: Regenerate.
 343
 344 2018-08-21  François Dumont  <fdumont@gcc.gnu.org>
 345
 346         P0646R1 Improving the Return Value of Erase-Like Algorithms I
 347         * include/debug/forward_list (forward_list::__remove_return_type):
 348         Define typedef as size_type or void, according to __cplusplus value.
 349         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
 350         empty, according to __cplusplus value.
 351         (_GLIBCXX20_ONLY): Define macro.
 352         (forward_list::remove, forward_list::unique): Use typedef and macro
 353         to change return type and add abi-tag for C++2a. Return number of
 354         removed elements for C++2a.
 355         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
 356         typedef to change return type for C++2a. Return number of removed
 357         elements for C++2a.
 358         * include/debug/list (list::__remove_return_type): Define typedef as
 359         size_type or void, according to __cplusplus value.
 360         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
 361         empty, according to __cplusplus value.
 362         (_GLIBCXX20_ONLY): Define macro.
 363         (list::remove, list::unique): Use typedef and macro to change return
 364         type and add abi-tag for C++2a. Return number of removed elements for
 365         C++2a.
 366         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use typedef
 367         to change return type for C++2a. Return number of removed elements for
 368         C++2a.
 369
 370 2018-08-21  David Edelsohn  <dje.gcc@gmail.com>
 371
 372         * testsuite/18_support/new_nothrow.cc: XFAIL on AIX.
 373
 374 2018-08-21  Jonathan Wakely  <jwakely@redhat.com>
 375
 376         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Remove
 377         redundant dg-do directive.
 378         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
 379         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
 380         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
 381         * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
 382
 383 2018-08-20  Jonathan Wakely  <jwakely@redhat.com>
 384
 385         PR libstdc++/86963
 386         * include/std/tuple (_Tuple_impl::operator=): Define as deleted.
 387         (_Tuple_impl::_M_assign): New functions to perform assignment instead
 388         of assignment operators.
 389         (_Tuple_impl::_M_swap): Remove exception specification.
 390         (_Tuple_impl<_Idx, _Head>): Likewise.
 391         (_TC::_NonNestedTuple, _TC::_NotSameTuple): Use __remove_cvref_t.
 392         (__tuple_base): Remove.
 393         (tuple, tuple<_T1, _T2>): Remove inheritance from __tuple_base.
 394         (tuple::operator=, tuple<_T1, _T2>::operator=): Call _M_assign.
 395         (tuple::swap, tuple<_T1, _T2>::swap): Define exception specification
 396         using __is_nothrow_swappable.
 397         (tuple<_T1, _T2>::tuple(_U1&&, _U2&&)): Use __remove_cvref_t.
 398
 399         * include/std/optional (_Optional_payload): Use variable templates
 400         for conditions in default template arguments and exception
 401         specifications.
 402         (optional): Likewise. Adjust indentation.
 403         (optional::__not_self, optional::__not_tag, optional::_Requires): New
 404         SFINAE helpers.
 405         (optional::optional): Use new helpers in constructor constraints.
 406         * include/std/type_traits (__or_v, __and_v): New variable templates.
 407         * testsuite/20_util/optional/cons/value_neg.cc: Change dg-error to
 408         dg-prune-output. Remove unused header.
 409
 410 2018-08-18  François Dumont  <fdumont@gcc.gnu.org>
 411
 412         * testsuite/25_algorithms/copy/86658.cc: Use dg-options to define
 413         _GLIBCXX_DEBUG.
 414
 415 2018-08-17  Jonathan Wakely  <jwakely@redhat.com>
 416
 417         PR libstdc++/86963
 418         * include/std/tuple (__tuple_base): New class template with deleted
 419         copy assignment operator.
 420         (tuple, tuple<_T1, _T2>): Derive from __tuple_base<tuple> so that
 421         implicit copy/move assignment operator will be deleted/suppressed.
 422         (tuple::__assignable, tuple<_T1, _T2>::__assignable): New helper
 423         functions for SFINAE constraints on assignment operators.
 424         (tuple::__nothrow_assignable, tuple<_T1, _T2>::__nothrow_assignable):
 425         New helper functions for exception specifications.
 426         (tuple::operator=(const tuple&), tuple::operator=(tuple&&))
 427         (tuple<_T1, _T2>::operator=(const tuple&))
 428         (tuple<_T1, _T2>::operator=(tuple&&)): Change parameter types to
 429         __nonesuch_no_braces when the operator should be defined implicitly.
 430         Use __nothrow_assignable for exception specifications.
 431         (tuple::operator=(const tuple<_UElements...>&))
 432         (tuple::operator=(tuple<_UElements...>&&))
 433         (tuple<_T1, _T2>::operator=(const tuple<_U1, _U2>&))
 434         (tuple<_T1, _T2>::operator=(tuple<_U1, _U2>&&))
 435         (tuple<_T1, _T2>::operator=(const pair<_U1, _U2>&))
 436         (tuple<_T1, _T2>::operator=(pair<_U1, _U2>&&)): Constrain using
 437         __assignable and use __nothrow_assignable for exception
 438         specifications.
 439         * python/libstdcxx/v6/printers.py (is_specialization_of): Accept
 440         gdb.Type as first argument, instead of a string.
 441         (StdTuplePrinter._iterator._is_nonempty_tuple): New method to check
 442         tuple for expected structure.
 443         (StdTuplePrinter._iterator.__init__): Use _is_nonempty_tuple.
 444         * testsuite/20_util/tuple/dr2729.cc: New test.
 445         * testsuite/20_util/tuple/element_access/get_neg.cc: Change dg-error
 446         to dg-prune-output.
 447
 448 2018-08-16  Jonathan Wakely  <jwakely@redhat.com>
 449
 450         * include/tr1/legendre_function.tcc (__sph_legendre): Avoid warning
 451         about signed/unsigned comparison.
 452
 453         * include/std/ostream (basic_ostream::sentry::~sentry): Suppress
 454         deprecation warnings for using uncaught_exception().
 455
 456         PR libstdc++/86447
 457         * src/c++11/cow-stdexcept.cc [_GLIBCXX_FULLY_DYNAMIC_STRING]
 458         (logic_error::logic_error(logic_error&&))
 459         (logic_error::operator=(logic_error&&))
 460         (runtime_error::runtime_error(runtime_error&&))
 461         (runtime_error::operator=(runtime_error&&)): Copy strings instead of
 462         moving, to avoid allocating empty reps for moved-from strings.
 463
 464 2018-08-15  Jonathan Wakely  <jwakely@redhat.com>
 465
 466         * include/experimental/regex: Remove begin/end macros for namespace.
 467         * include/experimental/string: Likewise.
 468         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc:
 469         New test.
 470         * testsuite/experimental/polymorphic_allocator/
 471         pmr_typedefs_forward_list.cc: New test.
 472         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc:
 473         New test.
 474         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc:
 475         New test.
 476         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
 477         New test.
 478         * testsuite/experimental/polymorphic_allocator/
 479         pmr_typedefs_multimap.cc: New test.
 480         * testsuite/experimental/polymorphic_allocator/
 481         pmr_typedefs_multiset.cc: New test.
 482         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc:
 483         New test.
 484         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
 485         New test.
 486         * testsuite/experimental/polymorphic_allocator/
 487         pmr_typedefs_unordered_map.cc: New test.
 488         * testsuite/experimental/polymorphic_allocator/
 489         pmr_typedefs_unordered_multimap.cc: New test.
 490         * testsuite/experimental/polymorphic_allocator/
 491         pmr_typedefs_unordered_multiset.cc: New test.
 492         * testsuite/experimental/polymorphic_allocator/
 493         pmr_typedefs_unordered_set.cc: New test.
 494         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc:
 495         New test.
 496
 497         * include/bits/uses_allocator.h (__uses_allocator_construct): Qualify
 498         calls to __uses_allocator_construct_impl and __use_alloc.
 499         * include/experimental/memory_resource
 500         (polymorphic_allocator::_M_construct): Remove.
 501         (polymorphic_allocator::construct): Call __uses_allocator_construct.
 502         Qualify calls to __use_alloc.
 503         * include/std/memory_resource (polymorphic_allocator::construct): Fix
 504         type in SFINAE constraint. Use constexpr if instead of tag dispatching
 505         to _S_construct overloads.
 506         (polymorphic_allocator::construct(pair<T1, T2>*, ...)): Fix order of
 507         arguments to _S_construct_p.
 508         (polymorphic_allocator::_S_construct): Remove.
 509         (polymorphic_allocator::_S_construct_p): Return allocators by value
 510         not by reference.
 511         * include/std/scoped_allocator (scoped_allocator_adaptor::construct):
 512         Qualify calls to __use_alloc.
 513         * testsuite/20_util/polymorphic_allocator/construct_pair.cc: New test,
 514         copied from testsuite/20_util/scoped_allocator/construct_pair.cc.
 515         * testsuite/experimental/polymorphic_allocator/1.cc: New test.
 516         * testsuite/experimental/polymorphic_allocator/construct_pair.cc:
 517         New test.
 518
 519         * src/c++17/memory_resource.cc [!_GLIBCXX_HAS_GTHREADS]
 520         (atomic_mem_res): Add unsynchronized definition for single-threaded.
 521
 522 2018-08-14  Jonathan Wakely  <jwakely@redhat.com>
 523
 524         PR libstdc++/86954
 525         * include/bits/stl_tempbuf.h (return_temporary_buffer): Use
 526         non-placement delete.
 527
 528         * include/std/chrono (__check_overflow): Simplify definition.
 529         (_Checked_integral_constant): Remove.
 530
 531         PR libstdc++/86846
 532         * src/c++17/default_resource.h: New file, defining default_res.
 533         * src/c++17/memory_resource.cc [ATOMIC_POINTER_LOCK_FREE != 2]
 534         (atomic_mem_res): Define alternative for atomic<memory_resource*>
 535         using a mutex instead of atomics.
 536
 537         PR libstdc++/85343
 538         * config/abi/pre/gnu.ver: Export new symbol.
 539         * doc/xml/manual/abi.xml: Document new versions.
 540         * include/bits/fstream.tcc (basic_filebuf<C, T>::underflow)
 541         (basic_filebuf<C, T>::xsgetn): Pass errno to __throw_ios_failure.
 542         * include/bits/functexcept.h (__throw_ios_failure(const char*, int)):
 543         Declare new overload.
 544         * src/c++11/cxx11-ios_failure.cc (__ios_failure): Add new constructor
 545         and static member function.
 546         (__throw_ios_failure(const char*, int)): Define.
 547         * src/c++98/ios_failure.cc [!_GLIBCXX_USE_DUAL_ABI]
 548         (__throw_ios_failure(const char*, int)): Define.
 549
 550 2018-08-14  Jeremy Sawicki  <jeremy-gcc@sawicki.us>
 551
 552         * include/ext/rope (_Rope_iterator_base(const _Rope_iterator_base&))
 553         (_Rope_const_iterator::operator=(const _Rope_const_iterator&))
 554         (_Rope_iterator::operator=(const _Rope_iterator&)): Ensure
 555         copied/assigned rope iterators don't retain pointers to the iterator
 556         they were copied/assigned from.
 557         * testsuite/ext/rope/7.cc: New.
 558
 559 2018-08-13  Jonathan Wakely  <jwakely@redhat.com>
 560
 561         PR libstdc++/45093
 562         * include/bits/stl_tree.h (_Rb_tree::_M_destroy_node(_Link_type)):
 563         Combine definitions to avoid --detect-odr-violations warning.
 564
 565         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Use
 566         __is_pow2 to check for valid alignment. Avoid branching when rounding
 567         size to multiple of alignment.
 568
 569         * include/Makefile.am: Install <bit> and <version> for freestanding.
 570         * include/Makefile.in: Regenerate.
 571         * testsuite/17_intro/freestanding.cc: Check for <bit> and <version>.
 572
 573         Revert
 574         2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 575
 576         PR target/85904
 577         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
 578         Newlib.
 579         * configure: Regenerate.
 580
 581 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
 582
 583         PR libstdc++/68210
 584         * doc/xml/manual/intro.xml: Document LWG 206 change.
 585         * libsupc++/del_op.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 586         * libsupc++/del_opa.cc: Likewise.
 587         * libsupc++/del_opant.cc: Likewise.
 588         * libsupc++/del_opnt.cc: Likewise. Call operator delete(ptr) instead
 589         of free(ptr).
 590         * libsupc++/del_ops.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 591         * libsupc++/del_opsa.cc: Likewise.
 592         * libsupc++/del_opva.cc: Likewise.
 593         * libsupc++/del_opvant.cc: Likewise.
 594         * libsupc++/del_opvnt.cc: Likewise. Call operator delete[](ptr)
 595         instead of operator delete(ptr).
 596         * libsupc++/del_opvs.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 597         * libsupc++/del_opvsa.cc: Likewise.
 598         * libsupc++/new_op.cc: Use __builtin_expect in check for zero size.
 599         * libsupc++/new_opa.cc: Use nullptr instead of literal 0.
 600         * libsupc++/new_opant.cc: Likewise. Replace _GLIBCXX_USE_NOEXCEPT
 601         with noexcept.
 602         * libsupc++/new_opnt.cc: Likewise. Call operator new(sz) instead of
 603         malloc(sz).
 604         * libsupc++/new_opvant.cc: Use nullptr and noexcept.
 605         * libsupc++/new_opvnt.cc: Likewise. Call operator new[](sz) instead of
 606         operator new(sz, nothrow).
 607         * testsuite/18_support/new_nothrow.cc: New test.
 608
 609 2018-08-10  Martin Liska  <mliska@suse.cz>
 610
 611         * libsupc++/new_op.cc (new): Remove __builtin_expect as malloc
 612         predictor can handle that.
 613         * libsupc++/new_opa.cc: Likewise.
 614         * libsupc++/new_opnt.cc (new): Likewise.
 615
 616 2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 617
 618         PR target/85904
 619         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
 620         Newlib.
 621         * configure: Regenerate.
 622
 623 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
 624
 625         * include/std/deque (std::pmr::deque): Declare alias.
 626         * include/std/forward_list (std::pmr::forward_list): Likewise.
 627         * include/std/list (std::pmr::list): Likewise.
 628         * include/std/map (std::pmr::map, std::pmr::multimap): Likewise.
 629         * include/std/regex (std::pmr::match_results, std::pmr::cmatch)
 630         (std::pmr::smatch, std::pmr::wcmatch, std::pmr::wsmatch): Likewise.
 631         * include/std/set (std::pmr::set, std::pmr::multiset): Likewise.
 632         * include/std/string (std::pmr::basic_string, std::pmr::string)
 633         (std::pmr::u16string, std::pmr::u32string, std::pmr::wstring):
 634         Likewise.
 635         * include/std/unordered_map (std::pmr::unordered_map)
 636         (std::pmr::unordered_multimap): Likewise.
 637         * include/std/unordered_set (std::pmr::unordered_set)
 638         (std::pmr::unordered_multiset): Likewise.
 639         * include/std/vector (std::pmr::vector): Likewise.
 640         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: New test.
 641         * testsuite/23_containers/deque/types/pmr_typedefs.cc: New test.
 642         * testsuite/23_containers/forward_list/pmr_typedefs.cc: New test.
 643         * testsuite/23_containers/list/pmr_typedefs.cc: New test.
 644         * testsuite/23_containers/map/pmr_typedefs.cc: New test.
 645         * testsuite/23_containers/multimap/pmr_typedefs.cc: New test.
 646         * testsuite/23_containers/multiset/pmr_typedefs.cc: New test.
 647         * testsuite/23_containers/set/pmr_typedefs.cc: New test.
 648         * testsuite/23_containers/unordered_map/pmr_typedefs.cc: New test.
 649         * testsuite/23_containers/unordered_multimap/pmr_typedefs.cc: New
 650         test.
 651         * testsuite/23_containers/unordered_multiset/pmr_typedefs.cc: New
 652         test.
 653         * testsuite/23_containers/unordered_set/pmr_typedefs.cc: New test.
 654         * testsuite/23_containers/vector/pmr_typedefs.cc: New test.
 655         * testsuite/28_regex/match_results/pmr_typedefs.cc: New test.
 656
 657 2018-08-08  François Dumont  <fdumont@gcc.gnu.org>
 658
 659         * include/bits/stl_algo.h
 660         (__rotate(_Ite, _Ite, _Ite, forward_iterator_tag))
 661         (__rotate(_Ite, _Ite, _Ite, bidirectional_iterator_tag))
 662         (__rotate(_Ite, _Ite, _Ite, random_access_iterator_tag)): Move code
 663         duplication...
 664         (rotate(_Ite, _Ite, _Ite)): ...here.
 665         (__stable_partition_adaptive(_FIt, _FIt, _Pred, _Dist, _Pointer, _Dist)):
 666         Simplify rotate call.
 667         (__rotate_adaptive(_BIt1, _BIt1, _BIt1, _Dist, _Dist, _Bit2, _Dist)):
 668         Likewise.
 669         (__merge_without_buffer(_BIt, _BIt, _BIt, _Dist, _Dist, _Comp)):
 670         Likewise.
 671
 672 2018-08-08  Jonathan Wakely  <jwakely@redhat.com>
 673
 674         * libsupc++/new_opa.cc (aligned_alloc): Declare inside namespace to
 675         avoid clashing with an ::aligned_alloc function that was not detected
 676         by configure.
 677
 678         * doc/xml/manual/using.xml: Fix markup for empty table entry.
 679         * doc/html/*: Regenerate.
 680
 681         * doc/xml/manual/using.xml: Add missing header to table and fix typo.
 682         * doc/html/*: Regenerate.
 683
 684         PR libstdc++/86597
 685         * include/bits/fs_dir.h (directory_entry::_M_file_type(error_code&)):
 686         Clear error_code when cached type is used.
 687         * testsuite/27_io/filesystem/directory_entry/86597.cc: New test.
 688
 689 2018-08-07  Jonathan Wakely  <jwakely@redhat.com>
 690
 691         PR libstdc++/86874
 692         * include/std/variant (_Copy_ctor_base::_M_destructive_move): Define
 693         here instead of in _Move_assign_base.
 694         (_Copy_ctor_base<true, _Types...>::_M_destructive_move): Define.
 695         (_Copy_assign_base::operator=): Use _M_destructive_move when changing
 696         the contained value to another alternative.
 697         (_Move_assign_base::operator=): Likewise.
 698         (_Move_assign_base::_M_destructive_move): Remove.
 699         * testsuite/20_util/variant/86874.cc: New test.
 700
 701         PR libstdc++/86861
 702         * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] (aligned_alloc):
 703         Replace macro with inline function.
 704         [__sun]: Increase alignment to meet memalign precondition.
 705         [!HAVE__ALIGNED_MALLOC && !HAVE_POSIX_MEMALIGN && !HAVE_MEMALIGN]
 706         (aligned_alloc): Move check for valid alignment to operator new.
 707         Remove redundant check for non-zero size, it's enforced by the caller.
 708         (operator new): Move check for valid alignment here. Use
 709         __builtin_expect on check for zero size.
 710
 711         * config/abi/pre/gnu.ver: Export monotonic_buffer_resource members.
 712         * include/std/memory_resource (monotonic_buffer_resource::release):
 713         Call _M_release_buffers to free buffers.
 714         (monotonic_buffer_resource::do_allocate): Call _M_new_buffer to
 715         allocate a new buffer from upstream.
 716         (monotonic_buffer_resource::_M_new_buffer): Declare.
 717         (monotonic_buffer_resource::_M_release_buffers): Declare.
 718         (monotonic_buffer_resource::_Chunk): Replace definition with
 719         declaration as opaque type.
 720         * src/c++17/memory_resource.cc (monotonic_buffer_resource::_Chunk):
 721         Define.
 722         (monotonic_buffer_resource::_M_new_buffer): Define.
 723         (monotonic_buffer_resource::_M_release_buffers): Define.
 724
 725 2018-08-05  François Dumont  <fdumont@gcc.gnu.org>
 726
 727         * include/bits/stl_iterator.h: Fix comment.
 728
 729 2018-08-03  Jonathan Wakely  <jwakely@redhat.com>
 730
 731         * src/c++11/system_error.cc
 732         (system_error_category::default_error_condition): Add workaround for
 733         ENOTEMPTY and EEXIST having the same value on AIX.
 734         * testsuite/19_diagnostics/error_category/system_category.cc: Add
 735         extra testcases for EDOM, EILSEQ, ERANGE, EEXIST and ENOTEMPTY.
 736
 737 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
 738
 739         * configure: Regenerate.
 740         * configure.ac: Add -D_GLIBCXX_ASSERTIONS to default DEBUG_FLAGS.
 741         * src/c++11/futex.cc: Use __glibcxx_assert instead of
 742         _GLIBCXX_DEBUG_ASSERT.
 743
 744 2018-08-01  Mike Crowe  <mac@mcrowe.com>
 745
 746         * include/std/condition_variable (wait_for): Use steady_clock.
 747
 748 2018-08-01  Mike Crowe  <mac@mcrowe.com>
 749
 750         * include/std/condition_variable (wait_until): Only report timeout
 751         if we really have timed out when measured against the
 752         caller-supplied clock.
 753         * testsuite/30_threads/condition_variable/members/2.cc: Add test
 754         case to confirm above behaviour.
 755
 756 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
 757
 758         PR libstdc++/60555
 759         * src/c++11/system_error.cc
 760         (system_error_category::default_error_condition): New override to
 761         check for POSIX errno values.
 762         * testsuite/19_diagnostics/error_category/generic_category.cc: New
 763         * testsuite/19_diagnostics/error_category/system_category.cc: New
 764         test.
 765
 766 2018-07-31  Jonathan Wakely  <jwakely@redhat.com>
 767
 768         PR libstdc++/86751
 769         * include/bits/stl_pair.h (__pair_base): New class with deleted copy
 770         assignment operator.
 771         (pair): Derive from __pair_base.
 772         (pair::operator=): Remove deleted overload.
 773         * python/libstdcxx/v6/printers.py (StdPairPrinter): New pretty printer
 774         so that new base class isn't shown in GDB.
 775         * testsuite/20_util/pair/86751.cc: New test.
 776         * testsuite/20_util/pair/ref_assign.cc: New test.
 777
 778         * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
 779         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Move definitions here.
 780         (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Likewise. Use !__is_identifier
 781         instead of __has_builtin.
 782         * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
 783         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Remove definitions from here.
 784         * include/std/version [!_GLIBCXX_HAS_GTHREADS]
 785         (__cpp_lib_shared_timed_mutex, __cpp_lib_scoped_lock)
 786         (__cpp_lib_shared_mutex): Don't define when Gthreads not in use.
 787         [!_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP]
 788         (__cpp_lib_has_unique_object_representations): Don't define when
 789         builtin not available.
 790         [!_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE] (__cpp_lib_is_aggregate):
 791         Likewise.
 792         [!_GLIBCXX_HAVE_BUILTIN_LAUNDER] (__cpp_lib_launder): Likewise.
 793         * libsupc++/new (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Remove definition
 794         from here.
 795
 796         * doc/xml/manual/test.xml: Improve documentation on writing tests for
 797         newer standards.
 798         * doc/xml/manual/using.xml: Document all headers for C++11 and later.
 799         * doc/html/*: Regenerate.
 800
 801         * include/ext/pointer.h [__cplusplus >= 201103L]
 802         (_Pointer_adapter::operator bool): Add explicit conversion operator
 803         to replace safe bool idiom.
 804
 805 2018-07-30  Jonathan Wakely  <jwakely@redhat.com>
 806
 807         PR libstdc++/86734
 808         * include/bits/stl_iterator.h (reverse_iterator::operator->): Call
 809         _S_to_pointer (LWG 1052, LWG 2118).
 810         (reverse_iterator::_S_to_pointer): Define overloaded helper functions.
 811         * testsuite/24_iterators/reverse_iterator/dr1052.cc: New test.
 812         * testsuite/24_iterators/reverse_iterator/dr2188.cc: New test.
 813
 814         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Add
 815         workaround for aligned_alloc bug on AIX.
 816         * testsuite/18_support/new_aligned.cc: New test.
 817
 818 2018-07-26  Marek Polacek  <polacek@redhat.com>
 819
 820         * testsuite/30_threads/condition_variable_any/cond.cc: New.
 821
 822 2018-07-26  Marek Polacek  <polacek@redhat.com>
 823
 824         * src/c++98/locale_init.cc: Fix #ifdef condition.
 825
 826 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
 827
 828         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: Add
 829         dg-require-cstdint directive.
 830         * testsuite/20_util/allocator/overaligned.cc: Likewise.
 831         * testsuite/20_util/any/cons/aligned.cc: Likewise.
 832         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: Likewise.
 833         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: Likewise.
 834         * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
 835         Likewise.
 836         * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
 837         * testsuite/23_containers/list/modifiers/insert/25288.cc: Likewise.
 838         * testsuite/23_containers/set/allocator/move_assign.cc: Likewise.
 839         * testsuite/25_algorithms/make_heap/complexity.cc: Likewise.
 840         * testsuite/25_algorithms/pop_heap/complexity.cc: Require cstdint and
 841         random_device effective-target.
 842         * testsuite/25_algorithms/push_heap/complexity.cc: Likewise.
 843         * testsuite/25_algorithms/sample/1.cc: Require cstdint.
 844         * testsuite/25_algorithms/sample/2.cc: Likewise.
 845         * testsuite/25_algorithms/sort_heap/complexity.cc: Require cstdint
 846         and random_device.
 847         * testsuite/26_numerics/headers/random/types_std_c++0x.cc: Require
 848         cstdint.
 849         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
 850         Likewise.
 851         * testsuite/26_numerics/random/discard_block_engine/requirements/
 852         constexpr_data.cc: Likewise.
 853         * testsuite/26_numerics/random/discard_block_engine/requirements/
 854         constexpr_functions.cc: Likewise.
 855         * testsuite/26_numerics/random/independent_bits_engine/requirements/
 856         constexpr_functions.cc: Likewise.
 857         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
 858         constexpr_data.cc: Likewise.
 859         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
 860         constexpr_functions.cc: Likewise.
 861         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
 862         constexpr_data.cc: Likewise.
 863         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
 864         constexpr_functions.cc: Likewise.
 865         * testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
 866         * testsuite/26_numerics/random/seed_seq/cons/65631.cc: Likewise.
 867         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
 868         constexpr_data.cc: Add dg-require-cstdint directive.
 869         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
 870         constexpr_functions.cc: Likewise.
 871         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
 872         constexpr_data.cc: Likewise.
 873         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
 874         constexpr_functions.cc: Likewise.
 875         * testsuite/26_numerics/random/uniform_real_distribution/operators/
 876         64351.cc: Likewise.
 877         * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc: Likewise.
 878         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
 879         * testsuite/experimental/algorithm/sample.cc: Likewise.
 880         * testsuite/experimental/algorithm/search.cc: Likewise.
 881         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
 882         * testsuite/experimental/any/cons/aligned.cc: Likewise.
 883         * testsuite/experimental/memory_resource/new_delete_resource.cc:
 884         Likewise.
 885         * testsuite/experimental/memory_resource/resource_adaptor.cc: Likewise.
 886         * testsuite/experimental/random/randint.cc: Likewise.
 887         * testsuite/experimental/source_location/1.cc: Likewise.
 888         * testsuite/ext/bitmap_allocator/overaligned.cc: Likewise.
 889         * testsuite/ext/malloc_allocator/overaligned.cc: Likewise.
 890         * testsuite/ext/mt_allocator/overaligned.cc: Likewise.
 891         * testsuite/ext/new_allocator/overaligned.cc: Likewise.
 892         * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
 893         * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
 894         * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
 895         * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
 896         * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
 897         * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
 898         * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
 899         * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
 900         * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
 901         * testsuite/ext/pool_allocator/overaligned.cc: Likewise.
 902         * testsuite/ext/throw_allocator/check_allocate_max_size.cc: Likewise.
 903         * testsuite/ext/throw_allocator/check_deallocate_null.cc: Likewise.
 904         * testsuite/ext/throw_allocator/check_delete.cc: Likewise.
 905         * testsuite/ext/throw_allocator/check_new.cc: Likewise.
 906         * testsuite/ext/throw_allocator/deallocate_global.cc: Likewise.
 907         * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
 908         * testsuite/ext/throw_allocator/explicit_instantiation.cc: Likewise.
 909         * testsuite/ext/throw_allocator/variadic_construct.cc: Likewise.
 910         * testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Likewise.
 911
 912         * testsuite/30_threads/recursive_mutex/cons/1.cc: Likewise.
 913         * testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise.
 914         * testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise.
 915         * testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc:
 916         Likewise.
 917         * testsuite/30_threads/recursive_mutex/lock/1.cc: Likewise.
 918         * testsuite/30_threads/recursive_mutex/native_handle/1.cc: Likewise.
 919         * testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc:
 920         Likewise.
 921         * testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc:
 922         Likewise.
 923         * testsuite/30_threads/recursive_mutex/requirements/typedefs.cc:
 924         Likewise.
 925         * testsuite/30_threads/recursive_mutex/try_lock/1.cc: Likewise.
 926         * testsuite/30_threads/recursive_mutex/try_lock/2.cc: Likewise.
 927         * testsuite/30_threads/recursive_mutex/unlock/1.cc: Likewise.
 928         * testsuite/30_threads/recursive_mutex/unlock/2.cc: Likewise.
 929         * testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Likewise.
 930         * testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
 931         Likewise.
 932         * testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
 933         Likewise.
 934         * testsuite/30_threads/recursive_timed_mutex/dest/
 935         destructor_locked.cc: Likewise.
 936         * testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
 937         * testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
 938         * testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc:
 939         Likewise.
 940         * testsuite/30_threads/recursive_timed_mutex/native_handle/
 941         typesizes.cc: Likewise.
 942         * testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc:
 943         Likewise.
 944         * testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc:
 945         Likewise.
 946         * testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc:
 947         Likewise.
 948         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
 949         Likewise.
 950         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
 951         Likewise.
 952         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
 953         Likewise.
 954         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
 955         Likewise.
 956         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
 957         Likewise.
 958         * testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
 959         * testsuite/30_threads/recursive_timed_mutex/unlock/2.cc: Likewise.
 960         * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
 961         * testsuite/30_threads/scoped_lock/requirements/
 962         explicit_instantiation.cc: Likewise.
 963         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
 964         * testsuite/30_threads/shared_future/cons/assign.cc: Likewise.
 965         * testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise.
 966         * testsuite/30_threads/shared_future/cons/copy.cc: Likewise.
 967         * testsuite/30_threads/shared_future/cons/default.cc: Likewise.
 968         * testsuite/30_threads/shared_future/cons/move.cc: Likewise.
 969         * testsuite/30_threads/shared_future/cons/move_assign.cc: Likewise.
 970         * testsuite/30_threads/shared_future/members/45133.cc: Likewise.
 971         * testsuite/30_threads/shared_future/members/get.cc: Likewise.
 972         * testsuite/30_threads/shared_future/members/get2.cc: Likewise.
 973         * testsuite/30_threads/shared_future/members/valid.cc: Likewise.
 974         * testsuite/30_threads/shared_future/members/wait.cc: Likewise.
 975         * testsuite/30_threads/shared_future/members/wait_for.cc: Likewise.
 976         * testsuite/30_threads/shared_future/members/wait_until.cc: Likewise.
 977         * testsuite/30_threads/shared_future/requirements/
 978         explicit_instantiation.cc: Likewise.
 979         * testsuite/30_threads/shared_lock/cons/1.cc: Likewise.
 980         * testsuite/30_threads/shared_lock/cons/2.cc: Likewise.
 981         * testsuite/30_threads/shared_lock/cons/3.cc: Likewise.
 982         * testsuite/30_threads/shared_lock/cons/4.cc: Likewise.
 983         * testsuite/30_threads/shared_lock/cons/5.cc: Likewise.
 984         * testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
 985         * testsuite/30_threads/shared_lock/locking/1.cc: Likewise.
 986         * testsuite/30_threads/shared_lock/locking/2.cc: Likewise.
 987         * testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
 988         * testsuite/30_threads/shared_lock/locking/4.cc: Likewise.
 989         * testsuite/30_threads/shared_lock/modifiers/1.cc: Likewise.
 990         * testsuite/30_threads/shared_lock/requirements/
 991         explicit_instantiation.cc: Likewise.
 992         * testsuite/30_threads/shared_lock/requirements/typedefs.cc: Likewise.
 993         * testsuite/30_threads/shared_mutex/cons/1.cc: Likewise.
 994         * testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Likewise.
 995         * testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Likewise.
 996         * testsuite/30_threads/shared_mutex/requirements/standard_layout.cc:
 997         Likewise.
 998         * testsuite/30_threads/shared_mutex/try_lock/1.cc: Likewise.
 999         * testsuite/30_threads/shared_mutex/try_lock/2.cc: Likewise.
1000         * testsuite/30_threads/shared_mutex/unlock/1.cc: Likewise.
1001         * testsuite/30_threads/shared_timed_mutex/cons/1.cc: Likewise.
1002         * testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc: Likewise.
1003         * testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc: Likewise.
1004         * testsuite/30_threads/shared_timed_mutex/requirements/
1005         standard_layout.cc: Likewise.
1006         * testsuite/30_threads/shared_timed_mutex/try_lock/1.cc: Likewise.
1007         * testsuite/30_threads/shared_timed_mutex/try_lock/2.cc: Likewise.
1008         * testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: Likewise.
1009         * testsuite/30_threads/shared_timed_mutex/unlock/1.cc: Likewise.
1010         * testsuite/30_threads/this_thread/1.cc: Likewise.
1011         * testsuite/30_threads/this_thread/2.cc: Likewise.
1012         * testsuite/30_threads/this_thread/3.cc: Likewise.
1013         * testsuite/30_threads/this_thread/4.cc: Likewise.
1014         * testsuite/30_threads/this_thread/58038.cc: Likewise.
1015         * testsuite/30_threads/thread/70503.cc: Likewise.
1016         * testsuite/30_threads/thread/84532.cc: Likewise.
1017         * testsuite/30_threads/thread/adl.cc: Likewise.
1018         * testsuite/30_threads/thread/cons/1.cc: Likewise.
1019         * testsuite/30_threads/thread/cons/2.cc: Likewise.
1020         * testsuite/30_threads/thread/cons/3.cc: Likewise.
1021         * testsuite/30_threads/thread/cons/4.cc: Likewise.
1022         * testsuite/30_threads/thread/cons/49668.cc: Likewise.
1023         * testsuite/30_threads/thread/cons/5.cc: Likewise.
1024         * testsuite/30_threads/thread/cons/6.cc: Likewise.
1025         * testsuite/30_threads/thread/cons/7.cc: Likewise.
1026         * testsuite/30_threads/thread/cons/8.cc: Likewise.
1027         * testsuite/30_threads/thread/cons/84535.cc: Likewise.
1028         * testsuite/30_threads/thread/cons/9.cc: Likewise.
1029         * testsuite/30_threads/thread/cons/assign_neg.cc: Likewise.
1030         * testsuite/30_threads/thread/cons/copy_neg.cc: Likewise.
1031         * testsuite/30_threads/thread/cons/lwg2097.cc: Likewise.
1032         * testsuite/30_threads/thread/cons/moveable.cc: Likewise.
1033         * testsuite/30_threads/thread/cons/terminate.cc: Likewise.
1034         * testsuite/30_threads/thread/id/operators.cc: Likewise.
1035         * testsuite/30_threads/thread/members/1.cc: Likewise.
1036         * testsuite/30_threads/thread/members/2.cc: Likewise.
1037         * testsuite/30_threads/thread/members/3.cc: Likewise.
1038         * testsuite/30_threads/thread/members/4.cc: Likewise.
1039         * testsuite/30_threads/thread/members/5.cc: Likewise.
1040         * testsuite/30_threads/thread/members/hardware_concurrency.cc:
1041         Likewise.
1042         * testsuite/30_threads/thread/native_handle/cancel.cc: Likewise.
1043         * testsuite/30_threads/thread/swap/1.cc: Likewise.
1044         * testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
1045         * testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
1046         * testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
1047         * testsuite/30_threads/timed_mutex/dest/destructor_locked.cc: Likewise.
1048         * testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
1049         * testsuite/30_threads/timed_mutex/native_handle/1.cc: Likewise.
1050         * testsuite/30_threads/timed_mutex/native_handle/typesizes.cc:
1051         Likewise.
1052         * testsuite/30_threads/timed_mutex/requirements/
1053         standard_layout.cc: Likewise.
1054         * testsuite/30_threads/timed_mutex/requirements/typedefs.cc: Likewise.
1055         * testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
1056         * testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
1057         * testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
1058         * testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
1059         * testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
1060         * testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
1061         * testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
1062         * testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise.
1063         * testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
1064         * testsuite/30_threads/timed_mutex/unlock/2.cc: Likewise.
1065         * testsuite/30_threads/try_lock/1.cc: Likewise.
1066         * testsuite/30_threads/try_lock/2.cc: Likewise.
1067         * testsuite/30_threads/try_lock/3.cc: Likewise.
1068         * testsuite/30_threads/try_lock/4.cc: Likewise.
1069         * testsuite/30_threads/unique_lock/cons/1.cc: Likewise.
1070         * testsuite/30_threads/unique_lock/cons/2.cc: Likewise.
1071         * testsuite/30_threads/unique_lock/cons/3.cc: Likewise.
1072         * testsuite/30_threads/unique_lock/cons/4.cc: Likewise.
1073         * testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
1074         * testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
1075         * testsuite/30_threads/unique_lock/locking/1.cc: Likewise.
1076         * testsuite/30_threads/unique_lock/locking/2.cc: Likewise.
1077         * testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
1078         * testsuite/30_threads/unique_lock/locking/4.cc: Likewise.
1079         * testsuite/30_threads/unique_lock/modifiers/1.cc: Likewise.
1080         * testsuite/30_threads/unique_lock/requirements/
1081         explicit_instantiation.cc: Likewise.
1082         * testsuite/30_threads/unique_lock/requirements/typedefs.cc: Likewise.
1083
1084         * testsuite/30_threads/async/42819.cc: Remove dg-require-cstdint
1085         directive.
1086         * testsuite/30_threads/async/49668.cc: Likewise.
1087         * testsuite/30_threads/async/54297.cc: Likewise.
1088         * testsuite/30_threads/async/84532.cc: Likewise.
1089         * testsuite/30_threads/async/any.cc: Likewise.
1090         * testsuite/30_threads/async/async.cc: Likewise.
1091         * testsuite/30_threads/async/except.cc: Likewise.
1092         * testsuite/30_threads/async/forced_unwind.cc: Likewise.
1093         * testsuite/30_threads/async/launch.cc: Likewise.
1094         * testsuite/30_threads/async/lwg2021.cc: Likewise.
1095         * testsuite/30_threads/async/sync.cc: Likewise.
1096         * testsuite/30_threads/call_once/39909.cc: Likewise.
1097         * testsuite/30_threads/call_once/49668.cc: Likewise.
1098         * testsuite/30_threads/call_once/60497.cc: Likewise.
1099         * testsuite/30_threads/call_once/call_once1.cc: Likewise.
1100         * testsuite/30_threads/call_once/constexpr.cc: Likewise.
1101         * testsuite/30_threads/call_once/dr2442.cc: Likewise.
1102         * testsuite/30_threads/call_once/once_flag.cc: Likewise.
1103         * testsuite/30_threads/condition_variable/54185.cc: Likewise.
1104         * testsuite/30_threads/condition_variable/cons/1.cc: Likewise.
1105         * testsuite/30_threads/condition_variable/cons/assign_neg.cc:
1106         Likewise.
1107         * testsuite/30_threads/condition_variable/cons/copy_neg.cc: Likewise.
1108         * testsuite/30_threads/condition_variable/members/1.cc: Likewise.
1109         * testsuite/30_threads/condition_variable/members/2.cc: Likewise.
1110         * testsuite/30_threads/condition_variable/members/3.cc: Likewise.
1111         * testsuite/30_threads/condition_variable/members/53841.cc: Likewise.
1112         * testsuite/30_threads/condition_variable/members/68519.cc: Likewise.
1113         * testsuite/30_threads/condition_variable/native_handle/typesizes.cc:
1114         Likewise.
1115         * testsuite/30_threads/condition_variable/requirements/
1116         standard_layout.cc: Likewise.
1117         * testsuite/30_threads/condition_variable/requirements/typedefs.cc:
1118         * Likewise.
1119         * testsuite/30_threads/condition_variable_any/50862.cc: Likewise.
1120         * testsuite/30_threads/condition_variable_any/53830.cc: Likewise.
1121         * testsuite/30_threads/condition_variable_any/cons/1.cc: Likewise.
1122         * testsuite/30_threads/condition_variable_any/cons/assign_neg.cc:
1123         Likewise.
1124         * testsuite/30_threads/condition_variable_any/cons/copy_neg.cc:
1125         Likewise.
1126         * testsuite/30_threads/condition_variable_any/members/1.cc: Likewise.
1127         * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
1128         * testsuite/30_threads/future/cons/assign_neg.cc: Likewise.
1129         * testsuite/30_threads/future/cons/constexpr.cc: Likewise.
1130         * testsuite/30_threads/future/cons/copy_neg.cc: Likewise.
1131         * testsuite/30_threads/future/cons/default.cc: Likewise.
1132         * testsuite/30_threads/future/cons/move.cc: Likewise.
1133         * testsuite/30_threads/future/cons/move_assign.cc: Likewise.
1134         * testsuite/30_threads/future/members/45133.cc: Likewise.
1135         * testsuite/30_threads/future/members/get.cc: Likewise.
1136         * testsuite/30_threads/future/members/get2.cc: Likewise.
1137         * testsuite/30_threads/future/members/share.cc: Likewise.
1138         * testsuite/30_threads/future/members/valid.cc: Likewise.
1139         * testsuite/30_threads/future/members/wait.cc: Likewise.
1140         * testsuite/30_threads/future/members/wait_for.cc: Likewise.
1141         * testsuite/30_threads/future/members/wait_until.cc: Likewise.
1142         * testsuite/30_threads/future/requirements/explicit_instantiation.cc:
1143         Likewise.
1144         * testsuite/30_threads/headers/condition_variable/types_std_c++0x.cc:
1145         Likewise.
1146         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
1147         * testsuite/30_threads/headers/mutex/types_std_c++0x.cc: Likewise.
1148         * testsuite/30_threads/headers/thread/std_c++0x_neg.cc: Likewise.
1149         * testsuite/30_threads/headers/thread/types_std_c++0x.cc: Likewise.
1150         * testsuite/30_threads/lock/1.cc: Likewise.
1151         * testsuite/30_threads/lock/2.cc: Likewise.
1152         * testsuite/30_threads/lock/3.cc: Likewise.
1153         * testsuite/30_threads/lock/4.cc: Likewise.
1154         * testsuite/30_threads/lock_guard/cons/1.cc: Likewise.
1155         * testsuite/30_threads/lock_guard/requirements/
1156         explicit_instantiation.cc: Likewise.
1157         * testsuite/30_threads/lock_guard/requirements/typedefs.cc: Likewise.
1158         * testsuite/30_threads/mutex/cons/1.cc: Likewise.
1159         * testsuite/30_threads/mutex/cons/assign_neg.cc: Likewise.
1160         * testsuite/30_threads/mutex/cons/constexpr.cc: Likewise.
1161         * testsuite/30_threads/mutex/cons/copy_neg.cc: Likewise.
1162         * testsuite/30_threads/mutex/dest/destructor_locked.cc: Likewise.
1163         * testsuite/30_threads/mutex/lock/1.cc: Likewise.
1164         * testsuite/30_threads/mutex/native_handle/1.cc: Likewise.
1165         * testsuite/30_threads/mutex/native_handle/typesizes.cc: Likewise.
1166         * testsuite/30_threads/mutex/requirements/standard_layout.cc::
1167         Likewise.
1168         * testsuite/30_threads/mutex/requirements/typedefs.cc: Likewise.
1169         * testsuite/30_threads/mutex/try_lock/1.cc: Likewise.
1170         * testsuite/30_threads/mutex/try_lock/2.cc: Likewise.
1171         * testsuite/30_threads/mutex/unlock/1.cc: Likewise.
1172         * testsuite/30_threads/mutex/unlock/2.cc: Likewise.
1173         * testsuite/30_threads/once_flag/cons/constexpr.cc: Likewise.
1174         * testsuite/30_threads/packaged_task/49668.cc: Likewise.
1175         * testsuite/30_threads/packaged_task/60564.cc: Likewise.
1176         * testsuite/30_threads/packaged_task/cons/1.cc: Likewise.
1177         * testsuite/30_threads/packaged_task/cons/2.cc: Likewise.
1178         * testsuite/30_threads/packaged_task/cons/3.cc: Likewise.
1179         * testsuite/30_threads/packaged_task/cons/56492.cc: Likewise.
1180         * testsuite/30_threads/packaged_task/cons/alloc.cc: Likewise.
1181         * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
1182         * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
1183         * testsuite/30_threads/packaged_task/cons/assign_neg.cc: Likewise.
1184         * testsuite/30_threads/packaged_task/cons/copy_neg.cc: Likewise.
1185         * testsuite/30_threads/packaged_task/cons/move.cc: Likewise.
1186         * testsuite/30_threads/packaged_task/cons/move_assign.cc: Likewise.
1187         * testsuite/30_threads/packaged_task/members/at_thread_exit.cc:
1188         Likewise.
1189         * testsuite/30_threads/packaged_task/members/get_future.cc: Likewise.
1190         * testsuite/30_threads/packaged_task/members/get_future2.cc: Likewise.
1191         * testsuite/30_threads/packaged_task/members/invoke.cc: Likewise.
1192         * testsuite/30_threads/packaged_task/members/invoke2.cc: Likewise.
1193         * testsuite/30_threads/packaged_task/members/invoke3.cc: Likewise.
1194         * testsuite/30_threads/packaged_task/members/invoke4.cc: Likewise.
1195         * testsuite/30_threads/packaged_task/members/invoke5.cc: Likewise.
1196         * testsuite/30_threads/packaged_task/members/reset.cc: Likewise.
1197         * testsuite/30_threads/packaged_task/members/reset2.cc: Likewise.
1198         * testsuite/30_threads/packaged_task/members/swap.cc: Likewise.
1199         * testsuite/30_threads/packaged_task/members/valid.cc: Likewise.
1200         * testsuite/30_threads/packaged_task/requirements/
1201         explicit_instantiation.cc: Likewise.
1202         * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
1203         * testsuite/30_threads/promise/60966.cc: Likewise.
1204         * testsuite/30_threads/promise/69106.cc: Likewise.
1205         * testsuite/30_threads/promise/cons/1.cc: Likewise.
1206         * testsuite/30_threads/promise/cons/alloc.cc: Likewise.
1207         * testsuite/30_threads/promise/cons/alloc2.cc: Likewise.
1208         * testsuite/30_threads/promise/cons/alloc_min.cc: Likewise.
1209         * testsuite/30_threads/promise/cons/assign_neg.cc: Likewise.
1210         * testsuite/30_threads/promise/cons/copy_neg.cc: Likewise.
1211         * testsuite/30_threads/promise/cons/move.cc: Likewise.
1212         * testsuite/30_threads/promise/cons/move_assign.cc: Likewise.
1213         * testsuite/30_threads/promise/members/at_thread_exit.cc: Likewise.
1214         * testsuite/30_threads/promise/members/at_thread_exit2.cc: Likewise.
1215         * testsuite/30_threads/promise/members/get_future.cc: Likewise.
1216         * testsuite/30_threads/promise/members/get_future2.cc: Likewise.
1217         * testsuite/30_threads/promise/members/set_exception.cc: Likewise.
1218         * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
1219         * testsuite/30_threads/promise/members/set_value.cc: Likewise.
1220         * testsuite/30_threads/promise/members/set_value2.cc: Likewise.
1221         * testsuite/30_threads/promise/members/set_value3.cc: Likewise.
1222         * testsuite/30_threads/promise/members/swap.cc: Likewise.
1223         * testsuite/30_threads/promise/requirements/explicit_instantiation.cc:
1224         * Likewise.
1225         * testsuite/30_threads/promise/uses_allocator.cc: Likewise.
1226
1227         * testsuite/18_support/numeric_limits/char16_32_t.cc: Qualify names
1228         from namespace std.
1229         * testsuite/20_util/align/2.cc: Remove dg-require-cstdint directive.
1230         * testsuite/20_util/duration/arithmetic/1.cc: Likewise.
1231         * testsuite/20_util/duration/arithmetic/2.cc: Likewise.
1232         * testsuite/20_util/duration/arithmetic/dr2020.cc: Likewise.
1233         * testsuite/20_util/duration/arithmetic/dr934-1.cc: Likewise.
1234         * testsuite/20_util/duration/arithmetic/dr934-2.cc: Likewise.
1235         * testsuite/20_util/duration/comparison_operators/1.cc: Likewise.
1236         * testsuite/20_util/duration/cons/1.cc: Likewise.
1237         * testsuite/20_util/duration/cons/1_neg.cc: Likewise.
1238         * testsuite/20_util/duration/cons/2.cc: Likewise.
1239         * testsuite/20_util/duration/cons/54025.cc: Likewise.
1240         * testsuite/20_util/duration/cons/dr974_neg.cc: Likewise.
1241         * testsuite/20_util/duration/requirements/explicit_instantiation/
1242         explicit_instantiation.cc: Likewise.
1243         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1244         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1245         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1246         * testsuite/20_util/make_signed/requirements/typedefs-4.cc: Likewise.
1247         * testsuite/20_util/ratio/comparisons/comp1.cc: Likewise.
1248         * testsuite/20_util/ratio/comparisons/comp2.cc: Likewise.
1249         * testsuite/20_util/ratio/comparisons/comp3.cc: Likewise.
1250         * testsuite/20_util/ratio/cons/cons1.cc: Likewise.
1251         * testsuite/20_util/ratio/operations/45866.cc: Likewise.
1252         * testsuite/20_util/ratio/operations/47913.cc: Likewise.
1253         * testsuite/20_util/ratio/operations/53840.cc: Likewise.
1254         * testsuite/20_util/ratio/operations/ops1.cc: Likewise.
1255         * testsuite/20_util/shared_ptr/atomic/3.cc: Likewise.
1256         * testsuite/20_util/system_clock/1.cc: Likewise.
1257         * testsuite/20_util/time_point/1.cc: Likewise.
1258         * testsuite/20_util/time_point/2.cc: Likewise.
1259         * testsuite/20_util/time_point/3.cc: Likewise.
1260         * testsuite/20_util/time_point/requirements/explicit_instantiation/
1261         explicit_instantiation.cc: Likewise.
1262         * testsuite/21_strings/basic_string/requirements/
1263         explicit_instantiation/char16_t/1.cc: Likewise.
1264         * testsuite/21_strings/basic_string/requirements/
1265         explicit_instantiation/char32_t/1.cc: Likewise.
1266         * testsuite/21_strings/basic_string_view/requirements/
1267         explicit_instantiation/char16_t/1.cc: Likewise.
1268         * testsuite/21_strings/basic_string_view/requirements/
1269         explicit_instantiation/char32_t/1.cc: Likewise.
1270         * testsuite/21_strings/char_traits/requirements/
1271         explicit_instantiation/char16_t/1.cc: Likewise.
1272         * testsuite/21_strings/char_traits/requirements/
1273         explicit_instantiation/char32_t/1.cc: Likewise.
1274         * testsuite/21_strings/headers/string/types_std_c++0x.cc: Likewise.
1275         * testsuite/22_locale/codecvt/char16_t.cc: Likewise.
1276         * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
1277         * testsuite/22_locale/codecvt/codecvt_utf16/requirements/1.cc:
1278         Likewise.
1279         * testsuite/22_locale/codecvt/codecvt_utf8/requirements/1.cc:
1280         Likewise.
1281         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/requirements/1.cc:
1282         Likewise.
1283         * testsuite/22_locale/codecvt/utf8.cc: Likewise.
1284         * testsuite/23_containers/vector/bool/72847.cc: Likewise.
1285         * testsuite/23_containers/vector/debug/multithreaded_swap.cc:
1286         Likewise.
1287         * testsuite/experimental/string_view/requirements/
1288         explicit_instantiation/char16_t/1.cc: Likewise.
1289         * testsuite/experimental/string_view/requirements/
1290         explicit_instantiation/char32_t/1.cc: Likewise.
1291         * testsuite/ext/vstring/requirements/explicit_instantiation/char16_t/
1292         1.cc: Likewise.
1293         * testsuite/ext/vstring/requirements/explicit_instantiation/char32_t/
1294         1.cc: Likewise.
1295
1296         * include/ext/throw_allocator.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1297         (random_condition, throw_value_random, throw_allocator_random)
1298         (std::hash<throw_value_random>): Do not define when <tr1/random> is
1299         not usable.
1300         * src/c++11/cow-stdexcept.cc [!_GLIBCXX_USE_C99_STDINT_TR1]: Do not
1301         define transactional memory support when <stdint.h> is not usable.
1302
1303         * include/bits/hashtable_policy.h (__detail::__clp2): Use faster
1304         implementation that doesn't depend on <stdint.h> types.
1305         * include/std/memory (align) [!_GLIBCXX_USE_C99_STDINT_TR1]: Use
1306         std::size_t when std::uintptr_t is not usable.
1307         [!_GLIBCXX_USE_C99_STDINT_TR1] (pointer_safety, declare_reachable)
1308         (undeclare_reachable, declare_no_pointers, undeclare_no_pointers):
1309         Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
1310
1311         * include/bits/basic_string.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1312         (hash<u16string>, hash<u32string>): Remove dependency on
1313         _GLIBCXX_USE_C99_STDINT_TR1.
1314         * include/bits/char_traits.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1315         (char_traits<char16_t>, char_traits<char32_t>): Remove dependency on
1316         _GLIBCXX_USE_C99_STDINT_TR1. Use __UINT_LEAST16_TYPE__ and
1317         __UINT_LEAST32_TYPE__ or make_unsigned when <stdint.h> is not usable.
1318         * include/bits/codecvt.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1319         (codecvt<char16_t, char, mbstate_t>)
1320         (codecvt<char32_t, char, mbstate_t>)
1321         (codecvt_byname<char16_t, char, mbstate_t>)
1322         (codecvt_byname<char32_t, char, mbstate_t>): Remove dependency
1323         on _GLIBCXX_USE_C99_STDINT_TR1.
1324         * include/bits/locale_facets.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1325         (_GLIBCXX_NUM_UNICODE_FACETS): Likewise.
1326         * include/bits/stringfwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1327         (char_traits<char16_t>, char_traits<char32_t>)
1328         (basic_string<char16_t>, basic_string<char32_t>): Remove dependency
1329         on _GLIBCXX_USE_C99_STDINT_TR1.
1330         * include/experimental/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
1331         (u16string_view, u32string_view, hash<u16string_view>)
1332         (hash<u32string_view>, operator""sv(const char16_t, size_t))
1333         (operator""sv(const char32_t, size_t)): Likewise.
1334         * include/ext/vstring.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1335         (hash<__u16vstring>, hash<__u32vstring>): Likewise.
1336         * include/ext/vstring_fwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1337         (__u16vstring, __u16sso_string, __u16rc_string, __u32vstring)
1338         (__u32sso_string, __u32rc_string): Likewise.
1339         * include/std/codecvt [!_GLIBCXX_USE_C99_STDINT_TR1] (codecvt_mode)
1340         (codecvt_utf8, codecvt_utf16, codecvt_utf8_utf16): Likewise.
1341         * include/std/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
1342         (u16string_view, u32string_view, hash<u16string_view>)
1343         (hash<u32string_view>, operator""sv(const char16_t, size_t))
1344         (operator""sv(const char32_t, size_t)): Likewise.
1345         * src/c++11/codecvt.cc: Likewise.
1346         * src/c++98/locale_init.cc: Likewise.
1347         * src/c++98/localename.cc: Likewise.
1348
1349         * include/bits/atomic_futex.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1350         (__atomic_futex_unsigned_base): Remove dependency on
1351         _GLIBCXX_USE_C99_STDINT_TR1 macro.
1352         * include/bits/unique_lock.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1353         (unique_lock): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1.
1354         * include/c_global/cstdint [!_GLIBCXX_USE_C99_STDINT_TR1] (intmax_t)
1355         (uintmax_t): Define using predefined macros.
1356         * include/std/chrono [!_GLIBCXX_USE_C99_STDINT_TR1] (duration)
1357         (time_point, system_clock, high_resolution_clock, steady_clock): Remove
1358         dependency on _GLIBCXX_USE_C99_STDINT_TR1 macro.
1359         (nanoseconds, microseconds, milliseconds, seconds, minutes, hours):
1360         [!_GLIBCXX_USE_C99_STDINT_TR1]: Define using __INT64_TYPE__ or
1361         long long when <stdint.h> is not usable.
1362         * include/std/condition_variable [!_GLIBCXX_USE_C99_STDINT_TR1]
1363         (condition_variable, condition_variable_any): Remove dependency on
1364         _GLIBCXX_USE_C99_STDINT_TR1.
1365         * include/std/future [!_GLIBCXX_USE_C99_STDINT_TR1] (future, promise)
1366         (packaged_task, async): Likewise.
1367         * include/std/mutex [!_GLIBCXX_USE_C99_STDINT_TR1] (recursive_mutex)
1368         (timed_mutex, recursive_timed_mutex, try_lock, lock, scoped_lock)
1369         (once_flag, call_once): Likewise.
1370         * include/std/ratio [!_GLIBCXX_USE_C99_STDINT_TR1] (ratio): Likewise.
1371         * include/std/shared_mutex [!_GLIBCXX_USE_C99_STDINT_TR1]
1372         (shared_mutex, shared_timed_mutex, shared_lock): Likewise.
1373         * include/std/thread [!_GLIBCXX_USE_C99_STDINT_TR1] (thread)
1374         (this_thread::get_id, this_thread::yield, this_thread::sleep_for)
1375         (this_thread::sleep_until): Likewise.
1376         * src/c++11/chrono.cc: Remove dependency on
1377         _GLIBCXX_USE_C99_STDINT_TR1 macro.
1378         * src/c++11/condition_variable.cc: Likewise.
1379         * src/c++11/futex.cc: Likewise.
1380         * src/c++11/future.cc: Likewise.
1381         * src/c++11/mutex.cc: Likewise.
1382         * src/c++11/thread.cc: Likewise.
1383         * testsuite/20_util/duration/literals/range_neg.cc: Adjust dg-error.
1384         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1385         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1386         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1387         * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Likewise.
1388         * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
1389
1390 2018-07-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1391
1392         PR libstdc++/77691
1393         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1394         xfail execution on 32-bit Solaris/x86.
1395
1396 2018-07-26  Marc Glisse  <marc.glisse@inria.fr>
1397
1398         * include/bits/stl_vector.h (_Vector_impl_data::_M_copy_data): New.
1399         (_Vector_impl_data::_M_swap_data): Use _M_copy_data.
1400         (vector::_M_move_assign): Reorder the swaps.
1401
1402 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
1403
1404         PR libstdc++/86676
1405         * testsuite/20_util/monotonic_buffer_resource/release.cc: Request
1406         same alignment for post-release allocation.
1407
1408 2018-07-25  Jonathan Wakely  <jwakely@redhat.com>
1409
1410         PR libstdc++/86676
1411         * testsuite/20_util/monotonic_buffer_resource/release.cc: Allow for
1412         buffer being misaligned and so returned pointer not being at start.
1413
1414         * include/experimental/memory_resource: Include <cstddef> header.
1415
1416         * acinclude.m4 (glibcxx_SUBDIRS): Add src/c++17.
1417         * src/Makefile.am: Add comment.
1418         * src/c++17/Makefile.in: Regenerate.
1419
1420         * include/Makefile.am: Add new <bits/unique_lock.h> header.
1421         * include/Makefile.in: Regenerate.
1422         * include/bits/std_mutex.h [!_GLIBCXX_USE_C99_STDINT_TR1] (mutex)
1423         (lock_guard): Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
1424         (unique_lock): Move definition to ...
1425         * include/bits/unique_lock.h: New header.
1426         [!_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock): Define unconditionally.
1427         [_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock(mutex_type&, time_point))
1428         (unique_lock(mutex_type&, duration), unique_lock::try_lock_until)
1429         (unique_lock::try_lock_for): Define only when <chrono> is usable.
1430         * include/std/condition_variable: Include <bits/unique_lock.h>.
1431         * include/std/mutex: Likewise.
1432
1433 2018-07-24  Jonathan Wakely  <jwakely@redhat.com>
1434
1435         * config/abi/pre/gnu.ver: Export new symbols.
1436         * configure: Regenerate.
1437         * include/Makefile.am: Add new <memory_resource> header.
1438         * include/Makefile.in: Regenerate.
1439         * include/precompiled/stdc++.h: Include <memory_resource> for C++17.
1440         * include/std/memory_resource: New header.
1441         (memory_resource, polymorphic_allocator, new_delete_resource)
1442         (null_memory_resource, set_default_resource, get_default_resource)
1443         (pool_options, monotonic_buffer_resource): Define.
1444         * src/Makefile.am: Add c++17 directory.
1445         * src/Makefile.in: Regenerate.
1446         * src/c++11/Makefile.am: Fix comment.
1447         * src/c++17/Makefile.am: Add makefile for new sub-directory.
1448         * src/c++17/Makefile.in: Generate.
1449         * src/c++17/memory_resource.cc: New.
1450         (newdel_res_t, null_res_t, constant_init, newdel_res, null_res)
1451         (default_res, new_delete_resource, null_memory_resource)
1452         (set_default_resource, get_default_resource): Define.
1453         * testsuite/20_util/memory_resource/1.cc: New test.
1454         * testsuite/20_util/memory_resource/2.cc: New test.
1455         * testsuite/20_util/monotonic_buffer_resource/1.cc: New test.
1456         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: New test.
1457         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: New test.
1458         * testsuite/20_util/monotonic_buffer_resource/release.cc: New test.
1459         * testsuite/20_util/monotonic_buffer_resource/upstream_resource.cc:
1460         New test.
1461         * testsuite/20_util/polymorphic_allocator/1.cc: New test.
1462         * testsuite/20_util/polymorphic_allocator/resource.cc: New test.
1463         * testsuite/20_util/polymorphic_allocator/select.cc: New test.
1464         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
1465         Define concrete memory resource for testing.
1466         (__gnu_test::default_resource_mgr): Define RAII helper for changing
1467         default resource.
1468
1469         PR libstdc++/86658
1470         * include/bits/stl_algobase.h (__niter_wrap<_Iterator>): Pass unused
1471         parameter by reference, to avoid copying invalid iterators.
1472         * testsuite/25_algorithms/copy/86658.cc: New test.
1473
1474         * include/std/bit (__countl_zero, __countr_zero, __popcount): Use
1475         local variables for number of digits instead of type aliases.
1476         (__log2p1): Remove redundant branch also checked in __countl_zero.
1477
1478         * include/bits/uses_allocator.h (__is_erased_or_convertible): Reorder
1479         conditions. Add comments.
1480         * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error line.
1481         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
1482         * testsuite/20_util/scoped_allocator/69293_neg.cc: Likewise.
1483
1484         * include/bits/uses_allocator.h (__is_erased_or_convertible): Remove.
1485         (__uses_allocator_helper): Check conditions directly instead of
1486         using __is_erased_or_convertible.
1487
1488         * include/experimental/memory_resource: Adjust comments and
1489         whitespace.
1490         (__resource_adaptor_imp): Add second template parameter for type of
1491         memory resource base class.
1492         (memory_resource): Define default constructor, destructor, copy
1493         constructor and copy assignment operator as defaulted.
1494
1495         PR libstdc++/70966
1496         * include/experimental/memory_resource (__get_default_resource): Use
1497         placement new to create an object with dynamic storage duration.
1498
1499 2018-07-23  Jonathan Wakely  <jwakely@redhat.com>
1500
1501         PR libstdc++/70940
1502         * include/experimental/memory_resource
1503         (__resource_adaptor_common::_AlignMgr::_M_unadjust): Add assertion.
1504         (__resource_adaptor_common::__guaranteed_alignment): New helper to
1505         give maximum alignment an allocator guarantees. Specialize for known
1506         allocators using new and malloc.
1507         (__resource_adaptor_imp::do_allocate): Use __guaranteed_alignment.
1508         (__resource_adaptor_imp::do_deallocate): Likewise.
1509         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1510         Check that new and delete are called with expected sizes.
1511
1512 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
1513
1514         PR libstdc++/86595
1515         * include/bits/fs_dir.h (directory_entry::refresh(error_code&)): Add
1516         noexcept.
1517
1518 2018-07-20  Fangrui Song  <maskray@google.com>
1519
1520         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Use
1521         _GLIBCXX_VISIBILITY(default).
1522
1523 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
1524
1525         PR libstdc++/86603
1526         * include/std/version: Move __cpp_lib_list_remove_return_type macro.
1527
1528 2018-07-19  Jonathan Wakely  <jwakely@redhat.com>
1529
1530         * include/std/type_traits (__is_member_object_pointer_helper): Use
1531         __not_<is_function<_Tp>>::type instead of integral_constant.
1532         (__is_member_function_pointer_helper): Likewise for
1533         is_function<_Tp>::type.
1534         (is_compund): Likewise for __not_<is_fundamental<_Tp>>::type.
1535         (__do_is_nt_destructible_impl): Use __bool_constant and reindent.
1536         (is_trivially_constructible): Remove redundant use of
1537         is_constructible.
1538         (__is_trivially_copy_assignable_impl): Remove redundant use of
1539         is_copy_assignable.
1540         (__is_trivially_move_assignable_impl): Remove redundant use of
1541         is_move_assignable.
1542         (is_trivially_destructible): Use __bool_constant.
1543         * testsuite/20_util/is_trivially_assignable/value.cc: Add some more
1544         tests for scalar types.
1545
1546 2018-07-19  Glen Joseph Fernandes  <glenjofe@gmail.com>
1547
1548         * include/bits/stl_algobase.h (__copy_move_a): Used
1549         __is_trivially_copyable.
1550         (__copy_move_backward_a): Likewise.
1551         * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
1552         New test.
1553
1554 2018-07-17  Jonathan Wakely  <jwakely@redhat.com>
1555
1556         PR libstdc++/86450
1557         * acinclude.m4 (GLIBCXX_CHECK_COMPILER_FEATURES): Don't define WERROR.
1558         (GLIBCXX_EXPORT_FLAGS): Use -Wabi=2 instead of -Wabi.
1559         * configure: Regenerate.
1560         * configure.ac: Change GLIBCXX_ENABLE_WERROR default to "no".
1561         * doc/Makefile.in: Regenerate.
1562         * fragment.am: Set WERROR_FLAG to -Werror instead of $(WERROR).
1563         * include/Makefile.in: Regenerate.
1564         * libsupc++/Makefile.in: Regenerate.
1565         * po/Makefile.in: Regenerate.
1566         * python/Makefile.in: Regenerate.
1567         * src/Makefile.in: Regenerate.
1568         * src/c++11/Makefile.in: Regenerate.
1569         * src/c++11/debug.cc: Use diagnostic pragmas to suppress warnings
1570         from -Wabi=2 that don't affect exported symbols.
1571         * src/c++98/Makefile.in: Regenerate.
1572         * src/filesystem/Makefile.in: Regenerate.
1573         * testsuite/Makefile.in: Regenerate.
1574
1575         * src/c++11/compatibility-thread-c++0x.cc [_GLIBCXX_SHARED]
1576         (_Async_state_common::_M_join): Simplify use of std::call_once and
1577         corresponding explicit instantiation.
1578         (_Maybe_wrap_member_pointer, _Bind_simple, _Bind_simple_helper)
1579         (__bind_simple): Remove definitions and explicit instantiation that
1580         are not required by exported symbols.
1581
1582 2018-07-16  Jonathan Wakely  <jwakely@redhat.com>
1583
1584         * scripts/create_testsuite_files: Fix typo in comment.
1585
1586         PR libstdc++/86537
1587         * include/bits/shared_ptr.h (less<shared_ptr<_Tp>>): Remove
1588         non-standard partial specialization.
1589         * include/bits/shared_ptr_base.h (_Sp_less): Remove class definition.
1590         (less<__shared_ptr<_Tp, _Lp>): Remove partial specialization.
1591         * testsuite/20_util/shared_ptr/comparison/86537.cc: New test.
1592
1593 2018-07-16  Andreas Krebbel  <krebbel@linux.ibm.com>
1594
1595         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
1596         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
1597         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1598
1599 2018-07-06  François Dumont  <fdumont@gcc.gnu.org>
1600
1601         * include/debug/functions.h (__gnu_debug::__check_string): Move...
1602         * include/debug/string (__gnu_debug::__check_string): ... here.
1603         (_GLIBCXX_DEBUG_VERIFY_STR_COND_AT): New.
1604         (__glibcxx_check_string_n_constructor): New.
1605         (__gnu_debug::basic_string<>(const _CharT*, size_type, const _Alloc&)):
1606         Use latter.
1607         (__glibcxx_check_string_constructor): New.
1608         (__gnu_debug::basic_string<>(const _CharT*, const _Alloc&)):
1609         Use latter.
1610         * testsuite/21_strings/basic_string/debug/1_neg.cc: New.
1611         * testsuite/21_strings/basic_string/debug/2_neg.cc: New.
1612
1613 2018-07-06  Jonathan Wakely  <jwakely@redhat.com>
1614
1615         PR libstdc++/84928 use std::move in <numeric> algorithms
1616         * include/bits/stl_numeric.h (_GLIBCXX_MOVE_IF_20): Define macro to
1617         conditionally move, according to __cplusplus value.
1618         (accumulate, inner_product, partial_sum, adjacent_difference): Use
1619         _GLIBCXX_MOVE_IF_20.
1620         * testsuite/26_numerics/accumulate/lwg2055.cc: New test.
1621         * testsuite/26_numerics/adjacent_difference/lwg2055.cc: New test.
1622         * testsuite/26_numerics/inner_product/lwg2055.cc: New test.
1623         * testsuite/26_numerics/partial_sum/lwg2055.cc: New test.
1624
1625         * config/abi/pre/gnu.ver: Use wildcards to combine related patterns.
1626
1627         P0935R0 Eradicating unnecessarily explicit default constructors
1628         * config/abi/pre/gnu.ver: Tighten existing patterns and export new
1629         default constructor symbols.
1630         * include/std/sstream (basic_stringbuf, basic_istringstream)
1631         (basic_ostringstream, basic_stringstream): Remove default arguments
1632         from explicit constructors taking ios_base::openmode and add separate
1633         non-explicit default constructors.
1634         * testsuite/27_io/basic_istringstream/cons/default.cc: New.
1635         * testsuite/27_io/basic_ostringstream/cons/default.cc: New.
1636         * testsuite/27_io/basic_stringstream/cons/default.cc: New.
1637         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: New.
1638         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: New.
1639
1640         * include/std/variant (__accepted_index): Use void_t.
1641
1642 2018-07-05  Jonathan Wakely  <jwakely@redhat.com>
1643
1644         PR libstdc++/85831
1645         * config/abi/pre/gnu.ver: Export move constructors and move
1646         assignment operators for std::logic_error and std::runtime_error.
1647         * include/std/stdexcept: Use _GLIBCXX_NOTHROW instead of
1648         _GLIBCXX_USE_NOEXCEPT.
1649         (logic_error, runtime_error): Declare move constructors and move
1650         assignment operators. When not declared already, define copy
1651         constructors and copy assignment operators as explicit-defaulted.
1652         (domain_error, invalid_argument, length_error, out_of_range)
1653         (overflow_error, underflow_error): Define move constructors and move
1654         assignment operators as explicitly-defaulted.
1655         * libsupc++/exception.h (exception): Likewise.
1656         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Define
1657         move constructors and move assignment operators as defaulted.
1658         * testsuite/19_diagnostics/stdexcept.cc: Check that constructors and
1659         assignment operators are defined.
1660
1661         * testsuite/21_strings/basic_string/cons/char/deduction.cc: XFAIL for
1662         COW strings.
1663         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
1664         Likewise.
1665         * testsuite/21_strings/basic_string/requirements/
1666         explicit_instantiation/debug.cc: Likewise.
1667
1668         PR libstdc++/58265
1669         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
1670         (basic_string::assign(basic_string&&)): Add conditional noexcept
1671         depending on the allocator's is_always_equal property (LWG 2063).
1672         * testsuite/21_strings/basic_string/modifiers/assign/char/
1673         move_assign.cc: Check for non-throwing exception specification.
1674         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
1675         move_assign.cc: Likewise.
1676
1677         PR libstdc++/58265
1678         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
1679         [_GLIBCXX_FULLY_DYNAMIC_STRING==0] (basic_string::basic_string()):
1680         Add GLIBCXX_NOEXCEPT.
1681         (basic_string::operator=(basic_string&&)): Add _GLIBCXX_NOEXCEPT_IF
1682         to depend on the allocator's is_always_equal property (LWG 2063).
1683         (basic_string::swap(basic_string&)): Likewise.
1684         * include/bits/basic_string.tcc [!_GLIBCXX_USE_CXX11_ABI]
1685         (basic_string::swap(basic_string&)): Likewise.
1686         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
1687         Check is_nothrow_move_assignable.
1688         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
1689         Check is_nothrow_move_assignable.
1690         * testsuite/21_strings/basic_string/cons/char/
1691         noexcept_move_construct.cc: Likewise.
1692         * testsuite/21_strings/basic_string/cons/wchar_t/
1693         noexcept_move_construct.cc: Likewise.
1694
1695 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
1696
1697         P0646R1 Improving the Return Value of Erase-Like Algorithms I
1698         * include/bits/forward_list.h (__cpp_lib_list_remove_return_type):
1699         Define.
1700         (forward_list::__remove_return_type): Define typedef as size_type or
1701         void, according to __cplusplus value.
1702         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
1703         empty, according to __cplusplus value.
1704         (forward_list::remove, forward_list::unique): Use typedef and macro
1705         to change return type and add abi-tag for C++2a.
1706         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
1707         typedef to change return type for C++2a.
1708         * include/bits/forward_list.tcc (_GLIBCXX20_ONLY): Define macro.
1709         (forward_list::remove, forward_list::remove_if<Pred>)
1710         (forward_list::unique<BinPred>): Return number of removed elements
1711         for C++2a.
1712         * include/bits/list.tcc (_GLIBCXX20_ONLY): Define macro.
1713         (list::remove, list::unique, list::remove_if<Predicate>)
1714         (list::unique<BinaryPredicate>): Return number of removed elements
1715         for C++2a.
1716         * include/bits/stl_list.h (__cpp_lib_list_remove_return_type): Define.
1717         (list::__remove_return_type): Define typedef as size_type or
1718         void, according to __cplusplus value.
1719         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
1720         empty, according to __cplusplus value.
1721         (list::remove, list::unique): Use typedef and macro to change return
1722         type and add abi-tag for C++2a.
1723         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use
1724         typedef to change return type for C++2a.
1725         * include/std/version (__cpp_lib_list_remove_return_type): Define.
1726         * testsuite/23_containers/forward_list/operations/
1727         remove_cxx20_return.cc: New.
1728         * testsuite/23_containers/forward_list/operations/
1729         unique_cxx20_return.cc: New.
1730
1731         P0458R2 Checking for Existence of an Element in Associative Containers
1732         * include/bits/stl_map.h (map::contains): Add for C++2a.
1733         * include/bits/stl_multimap.h (multimap::contains): Likewise.
1734         * include/bits/stl_multiset.h (multiset::contains): Likewise.
1735         * include/bits/stl_set.h (set::contains): Likewise.
1736         * include/bits/stl_tree.h (__has_is_transparent_t): Define alias.
1737         (_Rb_tree::_M_find_tr, _Rb_tree::_M_count_tr)
1738         (_Rb_tree::_M_lower_bound_tr, _Rb_tree::_M_upper_bound_tr)
1739         (_Rb_tree::_M_equal_range_tr): Use __has_is_transparent_t.
1740         * include/bits/unordered_map.h (unordered_map::contains)
1741         (unordered_multimap::contains): Add for C++2a.
1742         * include/bits/unordered_set.h (unordered_set::contains)
1743         (unordered_multiset::contains): Likewise.
1744         * testsuite/23_containers/map/operations/contains.cc: New.
1745         * testsuite/23_containers/multimap/operations/contains.cc: New.
1746         * testsuite/23_containers/multiset/operations/contains.cc: New.
1747         * testsuite/23_containers/set/operations/contains.cc: New.
1748         * testsuite/23_containers/unordered_map/operations/contains.cc: New.
1749         * testsuite/23_containers/unordered_multimap/operations/contains.cc:
1750         New.
1751         * testsuite/23_containers/unordered_multiset/operations/contains.cc:
1752         New.
1753         * testsuite/23_containers/unordered_set/operations/contains.cc: New.
1754
1755 2018-07-04  François Dumont  <fdumont@gcc.gnu.org>
1756
1757         PR libstdc++/86272
1758         * include/debug/string
1759         (__gnu_debug::basic_string<>::insert<_Ite>(const_iterator, _Ite, _Ite)):
1760         Use __glibcxx_check_insert_range.
1761         * 21_strings/basic_string/cons/char/1.cc: Adapt test to use
1762         __gnu_debug::string when _GLIBCXX_DEBUG.
1763         * 21_strings/basic_string/init-list.cc: Likewise.
1764         * 21_strings/basic_string/modifiers/insert/char/1.cc: Likewise.
1765         * 21_strings/basic_string/modifiers/insert/char/2.cc: Likewise.
1766         * 21_strings/basic_string/modifiers/insert/char/83328.cc: Likewise.
1767         * 21_strings/basic_string/types/1.cc: Likewise.
1768
1769 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
1770
1771         * testsuite/25_algorithms/make_heap/complexity.cc: Require effective
1772         target for std::random_device.
1773         * testsuite/26_numerics/random/random_device/cons/default.cc:
1774         Likewise.
1775         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
1776         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
1777         * testsuite/experimental/random/randint.cc: Likewise.
1778         * testsuite/lib/libstdc++.exp
1779         (check_effective_target_random_device): New proc.
1780
1781 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
1782             Jakub Jelinek  <jakub@redhat.com>
1783
1784         * include/std/bit (__rotl, __rotr): Fix for non-power of two sizes.
1785
1786 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
1787
1788         PR libstdc++/86398
1789         * include/std/type_traits (is_trivially_constructible): Check
1790         is_constructible before __is_trivially_constructible.
1791         * testsuite/20_util/is_trivially_constructible/value.cc: Add more
1792         tests, including negative cases.
1793         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Use
1794         zero for dg-error lineno.
1795         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
1796         Likewise.
1797
1798         * include/std/bit (__rotl, __rotr): Avoid branch.
1799         (_If_is_unsigned_integer): Use remove_cv_t.
1800         * testsuite/26_numerics/bit/bitops.count/popcount.cc: New.
1801
1802 2018-07-03  Jonathan Wakely  <jwakely@redhat.com>
1803
1804         P0556R3 Integral power-of-2 operations, P0553R2 Bit operations
1805         * include/Makefile.am: Add new header.
1806         * include/Makefile.in: Regenerate.
1807         * include/precompiled/stdc++.h: Include new header.
1808         * include/std/bit: New header.
1809         (__rotl, __rotr, __countl_zero, __countl_one, __countr_zero)
1810         (__countr_one, __popcount, __ispow2, __ceil2, __floor2, __log2p1):
1811         Define for C++14.
1812         [!__STRICT_ANSI__] (rotl, rotr, countl_zero, countl_one, countr_zero)
1813         (countr_one, popcount): Define for C++2a. Also overload for std::byte.
1814         (ispow2, ceil2, floor2, log2p1): Define for C++2a.
1815         [!__STRICT_ANSI__] (ispow2, ceil2, floor2, log2p1): Overload for
1816         std::byte.
1817         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: New.
1818         * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: New.
1819         * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: New.
1820         * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: New.
1821         * testsuite/26_numerics/bit/bitops.rot/rotl.cc: New.
1822         * testsuite/26_numerics/bit/bitops.rot/rotr.cc: New.
1823         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: New.
1824         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: New.
1825         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: New.
1826         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: New.
1827
1828         * include/bits/alloc_traits.h: Remove redundant preprocessor
1829         condition.
1830
1831 2018-07-03  François Dumont  <fdumont@gcc.gnu.org>
1832
1833         * include/bits/stl_algobase.h (__niter_wrap): New.
1834         (__copy_move_a2(_II, _II, _OI)): Use latter.
1835         (__copy_move_backward_a2(_BI1, _BI1, _BI2)): Likewise.
1836         (fill_n(_OI, _Size, const _Tp&)): Likewise.
1837         (equal(_II1, _II1, _II2)): Use __glibcxx_requires_can_increment.
1838         * include/debug/stl_iterator.h
1839         (std::__niter_base(const __gnu_cxx::_Safe_iterator<
1840         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New declaration.
1841         * include/debug/vector (__niter_base(const __gnu_cxx::_Safe_iterator<
1842         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New.
1843
1844 2018-07-02  Jonathan Wakely  <jwakely@redhat.com>
1845
1846         P0758R1 Implicit conversion traits
1847         * include/std/type_traits [__cplusplus > 201703]
1848         (__is_convertible_helper::__is_nothrow_type): Define new member.
1849         (__is_convertible_helper<_From, _To, false>::__test_aux1): Add
1850         noexcept.
1851         (__is_convertible_helper<_From, _To, false>::__test_nothrow)
1852         (__is_convertible_helper<_From, _To, false>::__is_nothrow_type): Add
1853         new members.
1854         (is_nothrow_convertible, is_nothrow_convertible_v): Define for C++2a.
1855         * testsuite/20_util/is_nothrow_convertible/value.cc: New.
1856         * testsuite/20_util/is_nothrow_convertible/requirements/
1857         explicit_instantiation.cc: New.
1858         * testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc:
1859         New.
1860
1861         P0887R1 The identity metafunction
1862         * include/std/type_traits (type_identity, type_identity_t): Define
1863         for C++2a.
1864         * testsuite/20_util/type_identity/requirements/alias_decl.cc: New.
1865         * testsuite/20_util/type_identity/requirements/
1866         explicit_instantiation.cc:New.
1867         * testsuite/20_util/type_identity/requirements/typedefs.cc: New.
1868
1869         * include/bits/regex.h (sub_match::operator string_type): Call str().
1870         (sub_match::compare): Use _M_str() instead of str().
1871         (sub_match::_M_compare): New public function.
1872         (sub_match::__string_view): New helper type.
1873         (sub_match::_M_str): New overloaded functions to avoid creating a
1874         string_type object when not needed.
1875         (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1876         Use sub_match::_M_compare instead of creating string_type objects.
1877         Fix Doxygen comments.
1878         * include/bits/regex_compiler.h (__has_contiguous_iter): Remove.
1879         (__is_contiguous_normal_iter): Rename to __is_contiguous_iter and
1880         simplify.
1881         (__enable_if_contiguous_iter, __disable_if_contiguous_iter): Use
1882         __enable_if_t.
1883         * include/std/type_traits (__enable_if_t): Define for C++11.
1884         * testsuite/28_regex/sub_match/compare.cc: New.
1885         * testsuite/util/testsuite_iterators.h (remove_cv): Add transformation
1886         trait.
1887         (input_iterator_wrapper): Use remove_cv for value_type argument of
1888         std::iterator base class.
1889
1890 2018-06-29  Jonathan Wakely  <jwakely@redhat.com>
1891
1892         * testsuite/20_util/add_rvalue_reference/requirements/alias_decl.cc:
1893         Add whitespace to dejagnu directive.
1894         * testsuite/23_containers/array/element_access/at_neg.cc: Likewise.
1895
1896 2018-06-27  François Dumont  <fdumont@gcc.gnu.org>
1897
1898         * include/bits/stl_vector.h
1899         (struct _Vector_base<>::_Vector_impl_data): New.
1900         (struct _Vector_base<>::_Vector_impl): Inherit from latter.
1901         (_Vector_base<>::_Vector_impl::_M_swap_data): Move...
1902         (_Vector_base<>::_Vector_impl_data::_M_swap_data): ...here.
1903         (_Vector_base<>::_Vector_impl()): Add noexcept qualification.
1904         (_Vector_base<>::_Vector_impl(_Vector_impl&&)): New.
1905         (_Vector_base<>::_Vector_impl(_Tp_alloc_type&&, _Vector_impl&&)): New.
1906         (_Vector_base(const allocator_type&, _Vector_base&&)): New, use latter.
1907         (_Vector_base()): Default.
1908         (_Vector_base(_Vector_base&&)): Default.
1909         (_Vector_base(size_t)) [_GLIBCXX_INLINE_VERSION]: Delete.
1910         (_Vector_base(_Tp_alloc_type&&)) [_GLIBCXX_INLINE_VERSION]: Delete.
1911         (_Vector_base::_M_create_storage(size_t)): Make protected.
1912         (vector()): Default.
1913         (vector(vector&&)): Default.
1914         (vector(vector&&, const allocator_type&, true_type)): New.
1915         (vector(vector&&, const allocator_type&, false_type)): New.
1916         (vector(vector&&, const allocator_type&)): Use latters.
1917         (vector(_InputIte, _InputIte, const allocator_type&)): Call
1918         _M_range_initialize directly.
1919         * include/debug/vector
1920         (vector(vector&&, const allocator_type&)): Add noexcept qualification.
1921         * testsuite/23_containers/vector/allocator/default_init.cc: New.
1922         * testsuite/23_containers/vector/cons/noexcept_move_construct.cc: Add
1923         static assertions.
1924
1925 2018-06-27  Jonathan Wakely  <jwakely@redhat.com>
1926
1927         * include/bits/cpp_type_traits.h [__cplusplus >= 201703]
1928         (__is_byte<byte>): Define specialization for std::byte.
1929
1930         PR libstdc++/86138
1931         * include/bits/basic_string.tcc: [_GLIBCXX_EXTERN_TEMPLATE < 0]
1932         Declare explicit instantiations of COW empty reps and I/O functions.
1933
1934 2018-06-26  David Edelsohn  <dje.gcc@gmail.com>
1935
1936         * testsuite/experimental/algorithm/sample-2.cc: Add TLS DejaGNU
1937         directives.
1938         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
1939
1940 2018-06-26  Jonathan Wakely  <jwakely@redhat.com>
1941
1942         * include/bits/regex.tcc (regex_iterator::operator==): Add missing
1943         noexcept.
1944
1945 2018-06-25  Jonathan Wakely  <jwakely@redhat.com>
1946
1947         PR libstdc++/86112
1948         * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
1949         Replace dict comprehension.
1950
1951         PR libstdc++/81092
1952         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
1953
1954         PR libstdc++/86292
1955         * include/bits/stl_vector.h (vector::_M_range_initialize<InputIter>):
1956         Add try-catch block.
1957         * testsuite/23_containers/vector/cons/86292.cc: New.
1958
1959         * doc/xml/manual/status_cxx2017.xml: Document N4531 status.
1960
1961         * include/experimental/algorithm (sample, shuffle): Add new overloads
1962         using per-thread random number engine.
1963         * testsuite/experimental/algorithm/sample.cc: Simpify and reduce
1964         dependencies by using __gnu_test::test_container.
1965         * testsuite/experimental/algorithm/sample-2.cc: New.
1966         * testsuite/experimental/algorithm/shuffle.cc: New.
1967
1968 2018-06-22  Jonathan Wakely  <jwakely@redhat.com>
1969
1970         * config/abi/pre/gnu.ver: Fix __cxx11::basic_string patterns for
1971         different size_t mangling on 32-bit targets.
1972
1973         PR libstdc++/86280
1974         * include/experimental/memory_resource
1975         (__resource_adaptor_common::_AlignMgr::_M_token_size): Use type large
1976         enough for result of left shift.
1977
1978         PR libstdc++/86138
1979         * include/bits/basic_string.tcc:
1980         [__cplusplus > 201402 && !_GLIBCXX_USE_CXX11_ABI]
1981         (basic_string<char>::_Rep::_S_empty_rep_storage)
1982         (basic_string<wchar_t>::_Rep::_S_empty_rep_storage): Add explicit
1983         instantiation declarations.
1984         [__cplusplus > 201402] (operator>>, operator<<, getline): Re-enable
1985         explicit instantiation declarations.
1986         * testsuite/21_strings/basic_string/cons/char/86138.cc: New.
1987         * testsuite/21_strings/basic_string/cons/wchar_t/86138.cc: New.
1988
1989 2018-06-21  Jonathan Wakely  <jwakely@redhat.com>
1990
1991         PR libstdc++/83328
1992         * acinclude.m4 (libtool_VERSION): Bump to 6:26:0.
1993         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 and export new symbol.
1994         * configure: Regenerate.
1995         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
1996         (basic_string::insert(const_iterator, initializer_list<C>)): Add.
1997         [_GLIBCXX_USE_CXX11_ABI && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
1998         (basic_string::insert(iterator, initializer_list<C>)): Suppress
1999         definition.
2000         * include/debug/string (basic_string::insert(iterator, C)): Change
2001         first parameter to const_iterator.
2002         (basic_string::insert(iterator, size_type, C)): Likewise. Change
2003         return type to iterator.
2004         (basic_string::insert(iterator, InputIterator, InputIterator)):
2005         Likewise.
2006         (basic_string::insert(iterator, initializer_list<C>)): Change first
2007         parameter to const_iterator and return type to iterator.
2008         * src/c++11/string-inst.cc: Extend comment.
2009         * testsuite/21_strings/basic_string/modifiers/insert/char/83328.cc:
2010         New.
2011         * testsuite/21_strings/basic_string/modifiers/insert/wchar_t/83328.cc:
2012         New.
2013         * testsuite/util/testsuite_abi.cc: Add new symbol version.
2014
2015         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2016
2017         PR libstdc++/70940
2018         * include/experimental/memory_resource
2019         (__resource_adaptor_imp::do_deallocate): Add missing return.
2020         * testsuite/experimental/memory_resource/new_delete_resource.cc: New.
2021         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
2022         resource_adaptor with std::allocator, __gnu_cxx::new_allocator and
2023         __gnu_cxx::malloc_allocator.
2024
2025         PR libstdc++/70940
2026         * include/experimental/memory_resource (__resource_adaptor_common):
2027         New base class.
2028         (__resource_adaptor_common::_AlignMgr): Helper for obtaining aligned
2029         pointer from unaligned, and vice versa.
2030         (__resource_adaptor_imp::do_allocate): Use _AlignMgr to adjust
2031         allocated pointer to meet alignment request.
2032         (__resource_adaptor_imp::do_deallocate): Use _AlignMgr to retrieve
2033         original pointer for deallocation.
2034         (__resource_adaptor_imp::do_is_equal): Reformat.
2035         (__resource_adaptor_imp::_S_aligned_size): Remove.
2036         (__resource_adaptor_imp::_S_supported): Remove.
2037         (new_delete_resource): Use __gnu_cxx::new_allocator.
2038         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
2039         extended alignments and use debug_allocator to check for matching
2040         allocate/deallocate pairs.
2041
2042 2018-06-21  François Dumont  <fdumont@gcc.gnu.org>
2043
2044         * include/debug/safe_iterator.h
2045         (_Safe_iterator<>(const _Safe_iterator<_MutableIterator,>& __x)):
2046         Compare __x base iterator with a value-initialized iterator of the
2047         same type.
2048
2049 2018-06-20  Jonathan Wakely  <jwakely@redhat.com>
2050
2051         PR libstdc++/70966
2052         * include/experimental/memory_resource (__resource_adaptor_imp): Add
2053         static assertions to enforce requirements on pointer types.
2054         (__resource_adaptor_imp::get_allocator()): Add noexcept.
2055         (new_delete_resource, null_memory_resource): Return address of an
2056         object with dynamic storage duration.
2057         (__null_memory_resource): Remove.
2058         * testsuite/experimental/memory_resource/70966.cc: New.
2059
2060         * testsuite/20_util/duration/arithmetic/dr3050.cc: Add new test
2061         missed from recent commit.
2062
2063 2018-06-19  Jonathan Wakely  <jwakely@redhat.com>
2064
2065         * include/std/utility: Remove unused <exception> header.
2066
2067 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
2068
2069         LWG 2975 ensure construct(pair<T,U>*, ...) used to construct pairs
2070         * include/std/scoped_allocator (__not_pair): Define SFINAE helper.
2071         (construct(_Tp*, _Args&&...)): Remove from overload set when _Tp is
2072         a specialization of std::pair.
2073         * testsuite/20_util/scoped_allocator/construct_pair.cc: Ensure
2074         pair elements are constructed correctly.
2075
2076         LWG 2989 hide path iostream operators from normal lookup
2077         * include/bits/fs_path.h (operator<<, operator>>): Define inline as
2078         friends.
2079         * testsuite/27_io/filesystem/path/io/dr2989.cc: New.
2080
2081         LWG 3050 Fix cv-qualification of convertibility constraints
2082         * include/std/chrono (duration, operator*, operator/, operator%): Use
2083         const-qualified type as source type in is_convertible constraints.
2084         * testsuite/20_util/duration/arithmetic/dr3050.cc: New.
2085         * testsuite/20_util/duration/cons/dr3050.cc: New.
2086         * testsuite/20_util/duration/literals/range.cc: Rename to...
2087         * testsuite/20_util/duration/literals/range_neg.cc: Here. Adjust
2088         dg-error lineno.
2089
2090 2018-06-18  Maya Rashish  <coypu@sdf.org>
2091
2092         * crossconfig.m4: Handle OpenBSD just like NetBSD.
2093         * configure: Rebuilt.
2094
2095 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
2096
2097         P0754R2 <version> header
2098         * include/Makefile.am: Add new header.
2099         * include/Makefile.in: Regenerate.
2100         * include/bits/c++config: Change doxygen comment to suggest <version>
2101         instead of <iosfwd>.
2102         * include/precompiled/stdc++.h: Include <cwchar> and <cwctype>
2103         unconditionally.  Add C++17 and C++20 headers.
2104         * include/std/version: New header.
2105         * testsuite/17_intro/headers/c++2017/all_attributes.cc: New.
2106         * testsuite/17_intro/headers/c++2017/all_no_exceptions.cc: New.
2107         * testsuite/17_intro/headers/c++2017/all_no_rtti.cc: New.
2108         * testsuite/17_intro/headers/c++2017/all_pedantic_errors.cc: New.
2109         * testsuite/17_intro/headers/c++2017/operator_names.cc: New.
2110         * testsuite/17_intro/headers/c++2017/stdc++.cc: New.
2111         * testsuite/17_intro/headers/c++2017/stdc++_multiple_inclusion.cc:
2112         New.
2113         * testsuite/17_intro/headers/c++2020/all_attributes.cc: New.
2114         * testsuite/17_intro/headers/c++2020/all_no_exceptions.cc: New.
2115         * testsuite/17_intro/headers/c++2020/all_no_rtti.cc: New.
2116         * testsuite/17_intro/headers/c++2020/all_pedantic_errors.cc: New.
2117         * testsuite/17_intro/headers/c++2020/operator_names.cc: New.
2118         * testsuite/17_intro/headers/c++2020/stdc++.cc: New.
2119         * testsuite/17_intro/headers/c++2020/stdc++_multiple_inclusion.cc:
2120         New.
2121         * testsuite/18_support/headers/version/macros.cc: New.
2122         * testsuite/18_support/headers/version/macros.cc: New.
2123
2124         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Only check when
2125         enable_libstdcxx_filesystem_ts = yes. Check for link, readlink and
2126         symlink.
2127         * config.h.in: Regenerate.
2128         * configure: Regenerate.
2129         * configure.ac: Remove AC_CHECK_FUNCS for link, readlink and symlink.
2130
2131         LWG 3035. std::allocator's constructors should be constexpr
2132         * include/bits/allocator.h (allocator): Add constexpr to constructors
2133         for C++2a. Replace dynamic exception specifications with NOTHROW
2134         macro.
2135         (allocator, operator==, operator!=): Replace USE_NOEXCEPT macro with
2136         NOTHROW.
2137         * include/bits/c++config (_GLIBCXX20_CONSTEXPR): Define.
2138         * include/ext/malloc_allocator.h (malloc_allocator): Add constexpr
2139         to constructors for C++2a.
2140         * include/ext/new_allocator.h (new_allocator): Likewise.
2141
2142 2018-06-16  Jonathan Wakely  <jwakely@redhat.com>
2143
2144         LWG 3076 basic_string CTAD ambiguity
2145         * doc/xml/manual/intro.xml: Document LWG 3076 change.
2146         * include/bits/basic_string.h
2147         [__cpp_deduction_guides && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
2148         (basic_string(const _CharT*, const _Alloc&)): Turn into a function
2149         template constrained by _RequireAllocator.
2150         (basic_string(size_type, _CharT, const _Alloc&)): Likewise.
2151         * src/c++11/string-inst.cc (_GLIBCXX_DEFINING_STRING_INSTANTIATIONS):
2152         Define.
2153         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2154         deduction
2155         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2156         Likewise.
2157
2158 2018-06-15  Jonathan Wakely  <jwakely@redhat.com>
2159
2160         PR libstdc++/86169
2161         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2162         (basic_string::data()): Unshare string.
2163         * testsuite/21_strings/basic_string/operations/data/char/86169.cc:
2164         New.
2165
2166         * include/std/string_view (basic_string_view(const CharT*)): Remove
2167         check for null pointer and add nonnull attribute.
2168         (compare(const CharT*), compare(size_type, size_type, const CharT*))
2169         (find(const CharT*, size_type), rfind(const CharT*, size_type))
2170         (find_first_of(const CharT*, size_type))
2171         (find_last_of(const CharT*, size_type))
2172         (find_first_not_of(const CharT*, size_type))
2173         (find_last_not_of(const CharT*, size_type)): Add nonnull attribute.
2174         * testsuite/21_strings/basic_string_view/cons/char/nonnull.cc: New.
2175         * testsuite/21_strings/basic_string_view/operations/compare/char/
2176         nonnull.cc: New.
2177         * testsuite/21_strings/basic_string_view/operations/find/char/
2178         nonnull.cc: New.
2179         * testsuite/21_strings/basic_string_view/operations/rfind/char/
2180         nonnull.cc: New.
2181
2182         PR libstdc++/86168
2183         * include/bits/random.h (random_device(const string&)): Remove
2184         default argument.
2185
2186         * include/bits/char_traits.h (__cpp_lib_constexpr_char_traits): Only
2187         define for C++17 and above.
2188
2189         LWG 2993 reference_wrapper<T> conversion from T&&
2190         * doc/xml/manual/intro.xml: Document LWG 2993 change.
2191         * include/bits/refwrap.h (reference_wrapper(_Tp&)): Remove.
2192         (reference_wrapper(_Tp&&)): Remove.
2193         (reference_wrapper<_Up>(_Up&&)): Define new constructor as constrained
2194         template.
2195         (reference_wrapper): Add deduction guide.
2196         * testsuite/20_util/reference_wrapper/deduction.cc: New.
2197         * testsuite/20_util/reference_wrapper/lwg2993.cc: New.
2198
2199         LWG 3039 Unnecessary decay in thread and packaged_task
2200         * include/std/future (__constrain_pkgdtask): Replace with ...
2201         (packaged_task::__not_same): New alias template, using
2202         __remove_cvref_t instead of decay.
2203         * include/std/thread (thread::__not_same): Add comment.
2204
2205 2018-06-14  Jonathan Wakely  <jwakely@redhat.com>
2206
2207         LWG 3075 basic_string needs deduction guides from basic_string_view
2208         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2209         deduction from string views.
2210         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2211         Likewise.
2212
2213         LWG 3074 make scalar types non-deduced in valarray non-member functions
2214         * include/bits/valarray_after.h (_DEFINE_EXPR_BINARY_FUNCTION): Change
2215         scalar parameters to be a non-deduced context.
2216         * include/std/valarray (_DEFINE_BINARY_OPERATOR): Likewise. Adjust
2217         whitespace.
2218         * testsuite/26_numerics/valarray/operators.cc: Test scalar operands.
2219         * testsuite/26_numerics/valarray/transcend.cc: New.
2220
2221         * include/std/tuple (__cpp_lib_tuple_element_t, tuple_element_t):
2222         Move back to <utility>.
2223         * include/std/utility (__cpp_lib_tuple_element_t. tuple_element_t):
2224         Restore to here.
2225
2226         P0935R0 Eradicating unnecessarily explicit default constructors
2227         * include/backward/strstream (strstreambuf): Add non-explicit default
2228         constructor.
2229         * include/bits/locale_conv.h (wbuffer_convert, wstring_convert):
2230         Likewise.
2231         * include/bits/regex.h (match_results): Likewise.
2232         * testsuite/22_locale/conversions/buffer/1.cc: Test for non-explicit
2233         default constructor.
2234         * testsuite/22_locale/conversions/string/1.cc: Likewise.
2235         * testsuite/28_regex/match_results/ctors/char/default.cc: Likewise.
2236         * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.
2237
2238         * include/std/tuple (__cpp_lib_tuple_element_t): Move feature test
2239         macro from <utility> and change type to long.
2240         * include/std/utility (__cpp_lib_tuple_element_t): Remove.
2241         * testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test
2242         macro.
2243
2244         P0935R0 Eradicating unnecessarily explicit default constructors
2245         * include/bits/random.h (uniform_real_distribution::param_type)
2246         (normal_distribution::param_type, lognormal_distribution::param_type)
2247         (gamma_distribution::param_type, chi_squared_distribution::param_type)
2248         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
2249         (student_t_distribution::param_type)
2250         (bernoulli_distribution::param_type)
2251         (binomial_distribution::param_type)
2252         (geometric_distribution::param_type)
2253         (negative_binomial_distribution::param_type)
2254         (poisson_distribution::param_type)
2255         (exponential_distribution::param_type)
2256         (weibull_distribution::param_type)
2257         (extreme_value_distribution::param_type): Add non-explicit default
2258         constructors. Remove default argument for first parameter of explicit
2259         constructors.
2260         * include/bits/uniform_int_dist.h
2261         (uniform_int_distribution::param_type): Likewise.
2262         * include/ext/random
2263         (beta_distribution::param_type, rice_distribution::param_type)
2264         (nakagami_distribution::param_type, pareto_distribution::param_type)
2265         (k_distribution::param_type, arcsine_distribution::param_type)
2266         (hoyt_distribution::param_type, triangular_distribution::param_type)
2267         (von_mises_distribution::param_type)
2268         (hypergeometric_distribution::param_type)
2269         (logistic_distribution::param_type)
2270         (uniform_inside_sphere_distribution::param_type): Likewise.
2271         (uniform_on_sphere_distribution::param_type): Make default constructor
2272         non-explicit.
2273         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
2274         Test param_type for non-explicit default constructor.
2275         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
2276         Likewise.
2277         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
2278         Likewise.
2279         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
2280         Likewise.
2281         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
2282         Likewise.
2283         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
2284         Likewise.
2285         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
2286         Likewise.
2287         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
2288         Likewise.
2289         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
2290         Likewise.
2291         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
2292         Likewise.
2293         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
2294         Likewise.
2295         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
2296         Likewise.
2297         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
2298         Likewise.
2299         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
2300         Likewise.
2301         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
2302         Likewise.
2303         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
2304         Likewise.
2305         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
2306         Likewise.
2307         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
2308         Likewise.
2309         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
2310         Likewise.
2311         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
2312         Likewise.
2313         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
2314         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
2315         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
2316         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
2317         Likewise.
2318         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
2319         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
2320         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
2321         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
2322         Likewise.
2323         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
2324         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
2325         * testsuite/ext/random/triangular_distribution/cons/default.cc:
2326         Likewise.
2327         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
2328         Likewise.
2329         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
2330         Likewise.
2331         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
2332         Likewise.
2333
2334 2018-06-14  Daniel Trebbien <dtrebbien@gmail.com>
2335             Jonathan Wakely  <jwakely@redhat.com>
2336
2337         PR libstdc++/83982
2338         * include/bits/vector.tcc (vector::_M_default_append(size_type)):
2339         Default-construct new elements before moving existing ones.
2340         * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
2341         New.
2342
2343 2018-06-13  Jonathan Wakely  <jwakely@redhat.com>
2344
2345         PR libstdc++/86127
2346         * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove
2347         unused typedef.
2348         (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after):
2349         Use node allocator to create and destroy elements.
2350         (forward_list::_Tp_alloc_type): Remove unused typedef.
2351         (forward_list::_Alloc_traits): Use allocator_traits instead of
2352         __gnu_cxx::__alloc_traits.
2353
2354 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
2355
2356         * include/debug/helper_functions.h
2357         (__gnu_debug::_Safe_iterator<>): Add declaration.
2358         (__can_advance(_Ite, _Size)): New.
2359         (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration.
2360         * include/debug/functions.h
2361         (__gnu_debug::_Safe_iterator<>): Remove declaration.
2362         * include/debug/stl_iterator.h
2363         (__can_advance(const _Safe_iterator<>&)): New definition.
2364         * include/debug/stl_iterator.h
2365         (__can_advance(const std::reverse_iterator<>&, _Size)): New.
2366         (__can_advance(const std::move_iterator<>&, _Size)): New.
2367         * include/debug/macros.h (__glibcxx_check_can_increment): New.
2368         * include/debug/debug.h (__glibcxx_requires_can_increment): New.
2369         * include/bits/stl_algobase.h (fill_n): Use latter.
2370         * testsuite/25_algorithms/fill_n/2.cc: New.
2371         * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New.
2372         * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New.
2373         * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New.
2374         * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New.
2375
2376         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
2377         (__glibcxx_requires_can_decrement_range): New.
2378
2379 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
2380
2381         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
2382         (__glibcxx_check_can_decrement_range): New.
2383         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
2384         __glibcxx_requires_can_increment_range.
2385         (std::move(_II, _II, _OI)): Likewise.
2386         (std::copy_backward(_BI, _BI, _BI2)): Use
2387         __glibcxx_requires_can_decrement_range.
2388         (std::move_backward(_BI, _BI, _BI2)): Likewise.
2389         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
2390         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
2391         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
2392         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
2393         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
2394         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
2395
2396 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
2397
2398         P0935R0 Eradicating unnecessarily explicit default constructors
2399         * include/bits/random.h (linear_congruential_engine)
2400         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
2401         (uniform_real_distribution, normal_distribution)
2402         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
2403         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
2404         (bernoulli_distribution, binomial_distribution,geometric_distribution)
2405         (negative_binomial_distribution, exponential_distribution)
2406         (weibull_distribution, extreme_value_distribution): Add non-explicit
2407         default constructors. Remove default argument for first parameter of
2408         explicit constructors.
2409         (piecewise_constant_distribution, piecewise_linear_distribution):
2410         Make default constructor non-explicit.
2411         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
2412         non-explicit default constructors. Remove default argument for first
2413         parameter of explicit constructor.
2414         * include/ext/random
2415         (simd_fast_mersenne_twister_engine, beta_distribution)
2416         (rice_distribution, nakagami_distribution, pareto_distribution)
2417         (k_distribution, arcsine_distribution, hoyt_distribution)
2418         (triangular_distribution, von_mises_distribution)
2419         (hypergeometric_distribution, logistic_distribution)
2420         (uniform_inside_sphere_distribution): Likewise.
2421         (uniform_on_sphere_distribution): Make default constructor
2422         non-explicit.
2423         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
2424         Test for non-explicit default constructor. Fix references to standard.
2425         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
2426         Likewise.
2427         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
2428         Likewise.
2429         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
2430         Likewise.
2431         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
2432         Likewise.
2433         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
2434         Likewise.
2435         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
2436         Likewise.
2437         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
2438         Likewise.
2439         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
2440         Likewise.
2441         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
2442         Likewise.
2443         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
2444         Likewise.
2445         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
2446         Likewise.
2447         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
2448         Likewise.
2449         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
2450         Likewise.
2451         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
2452         Likewise.
2453         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
2454         Likewise.
2455         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
2456         Likewise.
2457         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
2458         Likewise.
2459         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
2460         Likewise.
2461         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
2462         Likewise.
2463         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
2464         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
2465         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
2466         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
2467         Likewise.
2468         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
2469         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
2470         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
2471         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
2472         Likewise.
2473         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
2474         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
2475         * testsuite/ext/random/triangular_distribution/cons/default.cc:
2476         Likewise.
2477         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
2478         Likewise.
2479         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
2480         Likewise.
2481         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
2482         Likewise.
2483         * testsuite/util/testsuite_common_types.h
2484         (implicitly_default_constructible): New helper.
2485
2486 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
2487
2488         * include/bits/ios_base.h (ios::Init::Init(const Init&))
2489         (ios::Init::operator=): Define as defaulted.
2490         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
2491         Likewise.
2492         * include/bits/stream_iterator.h (istream_iterator::operator=)
2493         (ostream_iterator::operator=): Likewise.
2494         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
2495         Likewise.
2496         * include/std/bitset (bitset::reference::reference(const reference&)):
2497         Likewise.
2498         * include/std/complex (complex<float>::complex(const complex&))
2499         (complex<double>::complex(const complex&))
2500         (complex<long double>::complex(const complex&)): Likewise.
2501
2502 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
2503
2504         * include/bits/regex.h (sub_match): Add noexcept to default
2505         constructor and length observer.
2506         (match_results): Add noexcept to default constructor and observers
2507         with no preconditions. Define destructor as defaulted.
2508         (operator==, operator!=, swap): Add noexcept.
2509         (regex_iterator): Add default member initializers and define default
2510         constructor and destructor as defaulted. Add noexcept to equality
2511         and dereference operators.
2512
2513 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
2514
2515         * src/c++11/debug.cc
2516         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
2517         (_Safe_iterator_base::_M_detach_single()): Likewise.
2518         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
2519         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
2520
2521 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
2522
2523         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
2524         move of const value.
2525
2526 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
2527
2528         PR c++/86068
2529         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
2530         rather than __cpp_transactional_memory >= 201505L.
2531
2532 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
2533
2534         PR libstdc++/86008
2535         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
2536         Define new partial specialization.
2537         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
2538         new overload.
2539         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
2540         value not reference for iteration.
2541         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
2542         comment.
2543         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
2544         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
2545         comment.
2546
2547 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
2548
2549         * include/std/type_traits: Fix comment typos.
2550
2551         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
2552         mingw* targets.
2553         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2554         * testsuite/experimental/filesystem/operations/read_symlink.cc:
2555         Likewise.
2556
2557 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
2558
2559         * include/bits/stl_tempbuf.h
2560         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
2561         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
2562         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
2563         * include/bits/stl_algo.h (__stable_partition): Adapt.
2564         (__inplace_merge): Adapt.
2565         (__stable_sort): Adapt.
2566
2567 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
2568
2569         PR libstdc++/85930
2570         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
2571         unconditionally. Remove redundant declaration.
2572         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
2573         alignment-specifier.
2574
2575         * include/bits/postypes.h (fpos): Define special members as defaulted.
2576
2577         PR libstdc++/85930
2578         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
2579         the static variable correctly.
2580
2581 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
2582
2583         PR libstdc++/78870 support std::filesystem on Windows
2584         * config.h.in: Regenerate.
2585         * configure: Regenerate.
2586         * configure.ac: Check for link, readlink and symlink.
2587         * include/bits/fs_path.h (path::operator/=(const path&)): Move
2588         definition out of class body.
2589         (path::is_absolute(), path::_M_append(path)): Likewise.
2590         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
2591         (operator>>(basic_istream, path&)): Likewise.
2592         (u8path): Reorder definitions and fix Windows implementation.
2593         (path::is_absolute()): Define inline and fix for Windows.
2594         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
2595         Define POSIX version inline.
2596         (path::_M_append(path)): Define inline.
2597         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
2598         definition out of class body.
2599         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
2600         escape characters.
2601         (operator>>(basic_istream, path&)): Likewise.
2602         (path::is_absolute()): Define inline and fix for Windows.
2603         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
2604         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
2605         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
2606         Define as adaptors for Windows functions/types or as
2607         using-declarations for POSIX functions/types.
2608         (_Dir_base, get_file_type): Qualify names to use declarations from
2609         __gnu_posix namespace.
2610         (_Dir_base::is_dor_or_dotdot): New helper functions.
2611         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
2612         names to use declarations from __gnu_posix namespace.
2613         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
2614         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
2615         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
2616         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
2617         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
2618         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
2619         Define as adaptors for Windows functions/types or as
2620         using-declarations for POSIX functions/types.
2621         (stat_type, do_copy_file): Qualify names to use declarations from
2622         __gnu_posix namespace.
2623         (do_space): Declare new function.
2624         (make_file_type): Only use S_ISLNK if defined.
2625         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
2626         path::value_type not char.
2627         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
2628         names to use declarations from __gnu_posix namespace.
2629         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
2630         add implementation for Windows.
2631         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
2632         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
2633         [!_PC_PATH_MAX]: Don't use pathconf.
2634         [PATH_MAX]: Use if defined.
2635         (filesystem::current_path(const path&, error_code&))
2636         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
2637         (filesystem::last_write_time, filesystem::permissions): Use names
2638         from __gnu_posix.
2639         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
2640         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
2641         implementation for Windows.
2642         (filesystem::rename, filesystem::resize_file): Use names from
2643         __gnu_posix.
2644         (filesystem::space): Use do_space.
2645         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
2646         (filesystem::status, filesystem::symlink_status): Use names from
2647         __gnu_posix.
2648         (filesystem::temp_directory_path): Add implementation for Windows.
2649         * src/filesystem/path.cc (dot): Define constant.
2650         (path::replace_extension): Use dot.
2651         (path::_M_find_extension): Likewise. Use path::string_type not
2652         std::string.
2653         (path::_M_split_cmpts): Use dot.
2654         (filesystem_error::_M_get_what): Use u8string() not native().
2655         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
2656         Qualify names to use declarations from __gnu_posix namespace.
2657         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
2658         correct error_code.
2659         (filesystem::absolute(const path&, error_code&)): Add implementation
2660         for Windows.
2661         (char_ptr, filesystem::canonical): Use path::value_type not char.
2662         (do_copy_file): Use names from __gnu_posix.
2663         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
2664         sendfile.
2665         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
2666         names to use declarations from __gnu_posix namespace.
2667         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
2668         add implementation for Windows.
2669         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
2670         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
2671         [!_PC_PATH_MAX]: Don't use pathconf.
2672         [PATH_MAX]: Use if defined.
2673         (filesystem::current_path(const path&, error_code&))
2674         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
2675         (filesystem::last_write_time, filesystem::permissions): Use names
2676         from __gnu_posix.
2677         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
2678         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
2679         implementation for Windows.
2680         (filesystem::rename, filesystem::resize_file): Use names from
2681         __gnu_posix.
2682         (do_space): Define.
2683         (filesystem::space): Use do_space.
2684         (filesystem::status, filesystem::symlink_status): Use names from
2685         __gnu_posix.
2686         (filesystem::temp_directory_path): Add implementation for Windows.
2687         * src/filesystem/std-path.cc
2688         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
2689         Define for Windows.
2690         (dot): Define constant.
2691         (path::replace_extension, is_dot): Use dot.
2692         (path::lexically_normal): Check _M_type instead of calling
2693         non-existent function.
2694         (path::_M_find_extension): Use dot. Use path::string_type not
2695         std::string.
2696         (path::_M_split_cmpts): Use dot.
2697         (filesystem_error::_M_get_what): Use u8string() not native().
2698         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
2699         use symlinks.
2700         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
2701         Likewise.
2702         * testsuite/27_io/filesystem/operations/absolute.cc: Use
2703         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
2704         * testsuite/27_io/filesystem/operations/canonical.cc: Use
2705         path::string() to get narrow string, not path::native().
2706         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
2707         with std::filesystem::path not std::basic_string.
2708         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
2709         * testsuite/27_io/filesystem/operations/exists.cc: Use
2710         __gnu_test::root_path() instead of "/".
2711         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
2712         fstreams with std::filesystem::path not std::basic_string.
2713         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
2714         path::string() to get narrow string.
2715         * testsuite/27_io/filesystem/operations/space.cc: Check results for
2716         errors, expect sensible values otherwise.
2717         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
2718         helpers for adjusting the environment on Windows.
2719         * testsuite/27_io/filesystem/path/append/path.cc: Test
2720         Windows-specific behaviour.
2721         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
2722         of path::string_type objects.
2723         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
2724         string to wide string on Windows.
2725         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
2726         for backslash as root-directory.
2727         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
2728         path::string() to get narrow string.
2729         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
2730         paths.
2731         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
2732         not std::string.
2733         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
2734         different definintion of absolute paths on Windows.
2735         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
2736         Do not use symlinks.
2737         * testsuite/experimental/filesystem/operations/absolute.cc: Test
2738         Windows behaviour.
2739         * testsuite/experimental/filesystem/operations/copy.cc: Construct
2740         fstreams with NTCTS not std::basic_string.
2741         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
2742         * testsuite/experimental/filesystem/operations/exists.cc: Use
2743         __gnu_test::root_path() instead of "/".
2744         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
2745         fstreams with NTCTS not std::basic_string.
2746         * testsuite/experimental/filesystem/operations/last_write_time.cc:
2747         Use path::string() to get narrow string.
2748         * testsuite/experimental/filesystem/operations/space.cc: Use
2749         __gnu_test::root_path() instead of "/".
2750         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
2751         Add helpers for adjusting the environment on Windows.
2752         * testsuite/experimental/filesystem/path/append/path.cc: Use
2753         path::string() to get narrow strings for comparisons.
2754         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
2755         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
2756         Likewise.
2757         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
2758         * testsuite/experimental/filesystem/path/native/string.cc: Use
2759         string_type not std::string.
2760         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
2761         Adjust for different definintion of absolute paths on Windows.
2762         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
2763         function.
2764         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
2765         std::basic_string.
2766
2767 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
2768
2769         PR libstdc++/85951
2770         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
2771         uint_least16_t and uint_least32_t.
2772         (__make_unsigned<wchar_t>): Define unconditionally.
2773         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
2774         typedefs.
2775         (__make_unsigned_selector_base): New type to provide helper templates.
2776         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
2777         __make_unsigned_selector_base helpers.
2778         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
2779         (__make_signed_selector<_Tp, true, false>): Remove intermediate
2780         typedefs.
2781         (__make_signed<wchar_t>, __make_signed<char16_t>)
2782         (__make_signed<char32_t>)): Define unconditionally.
2783         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
2784         wchar_t, char16_t and char32_t are transformed correctly.
2785         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
2786         dg-error lineno.
2787         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
2788         wchar_t, char16_t and char32_t are transformed correctly.
2789         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
2790         dg-error lineno.
2791
2792 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
2793
2794         * include/std/variant (__erased_dtor): Qualify call to __get.
2795
2796 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
2797
2798         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
2799         (_Rb_tree(const allocator_type&)): Use latter.
2800         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
2801         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
2802         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
2803         * include/bits/stl_multimap.h
2804         (multimap(const allocator_type&)): Likewise.
2805         (multimap(initializer_list<value_type>, const allocator_type&)):
2806         Likewise.
2807         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
2808         Likewise.
2809         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
2810         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
2811         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
2812         * include/bits/stl_multiset.h
2813         (multiset(const allocator_type&)): Likewise.
2814         (multiset(initializer_list<value_type>, const allocator_type&)):
2815         Likewise.
2816         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
2817         Likewise.
2818
2819 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
2820
2821         PR libstdc++/85768
2822         * src/c++11/debug.cc: Remove backtrace usage.
2823
2824 2018-05-24  Maya Rashish  <coypu@sdf.org>
2825
2826         PR target/85904
2827         * crossconfig.m4: Test for aligned_alloc on netbsd.
2828         * configure: Regenerate.
2829
2830 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
2831
2832         PR libstdc++/69769
2833         PR libstdc++/85886
2834         * include/bits/atomic_base.h (__atomic_base::value_type)
2835         (__atomic_base::difference_type): Add new typedefs.
2836         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
2837         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
2838         (atomic<T*>::operator++, atomic<T*>::operator--)
2839         (atomic<T*>::operator+=, atomic<T*>::operator-=)
2840         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
2841         to enforce C++17 requirement on pointer arithmetic.
2842         (__atomic_val_t, __atomic_diff_t): New alias templates.
2843         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
2844         (atomic_compare_exchange_weak_explicit)
2845         (atomic_compare_exchange_strong_explicit, atomic_store)
2846         (atomic_exchange, atomic_compare_exchange_weak)
2847         (atomic_compare_exchange_strong): Use __atomic_val_t to make
2848         scalar parameters be non-deduced contexts.
2849         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
2850         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
2851         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
2852         parameters.
2853         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
2854         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
2855         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
2856         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
2857         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
2858         address types.
2859         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
2860         * testsuite/29_atomics/atomic/69769.cc: New test.
2861         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
2862         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
2863         Disable test for C++17 and later.
2864         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
2865         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
2866         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
2867         test.
2868
2869 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
2870
2871         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
2872         template to alias template.
2873         (path::__value_type_is_char): Use remove_const_t.
2874         (path:_S_string_from_iter): New helper function.
2875         (path::_S_convert(InputIter, __null_terminated))
2876         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
2877         Use _S_string_from_iter.
2878         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
2879         rep for COW strings.
2880         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
2881         Change from class template to alias template.
2882         (path::__value_type_is_char): Use remove_const.
2883         (path:_S_string_from_iter): New helper function.
2884         (path::_S_convert(InputIter, __null_terminated))
2885         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
2886         Use _S_string_from_iter.
2887         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
2888         wide strings.
2889         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
2890         string equality, not path equivalence.
2891         * testsuite/27_io/filesystem/path/construct/format.cc: Check
2892         construction from std::string and std::wstring and input iterators.
2893         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
2894         construction from iterators.
2895         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
2896         exact string equality, not path equivalence.
2897         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
2898         construction from iterators.
2899
2900         * include/bits/fs_path.h (path::_M_type): Change default member
2901         initializer to _Filename.
2902         (path::begin): Create past-the-end iterator for empty path.
2903         * src/filesystem/std-path.cc (path::remove_filename()): Remove
2904         debugging check.
2905         (path::has_relative_path()): Return false for empty filenames.
2906         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
2907         Fix offset of empty final component.
2908         * testsuite/27_io/filesystem/path/itr/components.cc: New.
2909         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
2910
2911 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
2912
2913         Add support for opening file streams from wide character strings.
2914         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
2915         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
2916         Define new overload.
2917         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
2918         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
2919         Declare new overload.
2920         * configure.ac: Check for _wfopen.
2921         * crossconfig.m4: Likewise.
2922         * configure: Regenerate.
2923         * config.h.in: Regenerate.
2924         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
2925         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
2926         Define new overload.
2927         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
2928         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
2929         Declare new overload.
2930         [_GLIBCXX_HAVE__WFOPEN]
2931         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
2932         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
2933         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
2934         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
2935         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
2936         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
2937         new overloads.
2938         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
2939         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
2940         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
2941         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
2942         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
2943         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
2944         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
2945
2946 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
2947
2948         PR libstdc++/85845
2949         * include/bits/stl_tree.h
2950         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
2951         qualification.
2952
2953 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
2954
2955         * src/filesystem/std-ops.cc (absolute): Report an error for empty
2956         paths.
2957         (weakly_canonical(const path&)): Do not call canonical on empty path.
2958         (weakly_canonical(const path&, error_code&)): Likewise.
2959         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
2960
2961         PR libstdc++/85818
2962         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
2963         dg-require-filesystem-ts.
2964
2965         PR libstdc++/85843
2966         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
2967         initialize base class to avoid warnings.
2968
2969 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
2970
2971         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
2972         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
2973         little_endian element in bitmask.
2974         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
2975         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
2976
2977 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
2978
2979         * include/bits/stl_tree.h
2980         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
2981         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
2982         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
2983         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
2984         * include/debug/map.h
2985         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
2986         * include/debug/multimap.h
2987         (multimap(multimap&&, const_allocator_type&)): Likewise.
2988         * include/debug/set.h
2989         (set(set&&, const_allocator_type&)): Likewise.
2990         * include/debug/multiset.h
2991         (multiset(multiset&&, const_allocator_type&)): Likewise.
2992         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
2993         Add checks.
2994         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
2995         Add checks.
2996         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
2997         Add checks.
2998         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
2999         Add checks.
3000         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
3001         Add checks.
3002         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
3003         Add checks.
3004         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
3005         Add checks.
3006         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
3007         Add checks.
3008
3009 2018-05-18  Jason Merrill  <jason@redhat.com>
3010
3011         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
3012         for conversion to const_iterator.  Add defaulted copy ops.
3013         * libsupc++/new (bad_alloc): Add defaulted copy ops.
3014         * libsupc++/exception.h (exception): Add defaulted copy ops.
3015         * include/std/system_error (system_error): Add defaulted copy ops.
3016         * include/std/stdexcept (domain_error, invalid_argument)
3017         (length_error, out_of_range, range_error, overflow_error)
3018         (underflow_error): Add defaulted copy ops.
3019         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
3020         copy assignment.
3021         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
3022         * include/ext/throw_allocator.h (condition_base): Add defaulted
3023         default and copy ctor and copy assignment.
3024
3025 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
3026
3027         PR libstdc++/85098
3028         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
3029         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
3030         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
3031         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
3032         definitions.
3033         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
3034         whitespace.
3035         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
3036         braces around body of do-while.
3037         * testsuite/28_regex/basic_regex/85098.cc: New
3038
3039 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
3040
3041         PR libstdc++/85818
3042         * src/filesystem/path.cc (path::preferred_separator): Add used
3043         attribute.
3044         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
3045
3046         PR libstdc++/85812
3047         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
3048         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
3049         Refactor to separate non-throwing and throwing implementations.
3050         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
3051         if constructing the object throws.
3052
3053 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
3054
3055         PR libstdc++/85749
3056         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
3057         (linear_congruential_engine, mersenne_twister_engine)
3058         (subtract_with_carry_engine, discard_block_engine)
3059         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
3060         constrain function templates taking seed sequences.
3061         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
3062         (mersenne_twister_engine::seed(_Sseq&))
3063         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
3064         match declarations.
3065         * include/ext/random (simd_fast_mersenne_twister_engine): Use
3066         __is_seed_seq to constrain function templates taking seed sequences.
3067         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
3068         Change return type to match declaration.
3069         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
3070         New.
3071         * testsuite/26_numerics/random/independent_bits_engine/cons/
3072         seed_seq2.cc: New.
3073         * testsuite/26_numerics/random/linear_congruential_engine/cons/
3074         seed_seq2.cc: New.
3075         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
3076         seed_seq2.cc: New.
3077         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
3078         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
3079         New.
3080         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
3081         seed_seq2.cc: New.
3082         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
3083         seed_seq2.cc: New.
3084
3085         PR libstdc++/83891
3086         * include/bits/fs_path.h (path::is_absolute()): Use same definition
3087         for all operating systems.
3088         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
3089         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
3090         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
3091         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
3092
3093         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
3094         unused <vector> header.
3095         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
3096         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
3097         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
3098         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
3099         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
3100         Likewise.
3101         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
3102         Likewise.
3103         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
3104         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
3105         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
3106         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
3107         * testsuite/experimental/filesystem/path/decompose/extension.cc:
3108         Likewise.
3109         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
3110         * testsuite/experimental/filesystem/path/query/has_extension.cc:
3111         Likewise.
3112         * testsuite/experimental/filesystem/path/query/has_filename.cc:
3113         Likewise.
3114         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
3115         Likewise.
3116         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
3117         Likewise.
3118         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
3119         Likewise.
3120         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
3121         Likewise.
3122         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
3123         Likewise.
3124         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
3125         * testsuite/experimental/filesystem/path/query/is_relative.cc:
3126         Likewise.
3127
3128         PR libstdc++/84159
3129         * include/bits/fs_path.h (path::operator/=, path::append): Construct
3130         temporary path before calling _M_append.
3131         (path::_M_append): Change parameter to path and implement C++17
3132         semantics.
3133         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
3134         and more examples from the standard.
3135         * testsuite/27_io/filesystem/path/append/source.cc: New.
3136         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
3137         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
3138
3139         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
3140         __invoke to prevent ADL.
3141
3142 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
3143
3144         PR libstdc++/81256
3145         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
3146         exceptions from _M_terminate_output().
3147         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
3148         exceptions from close().
3149         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
3150
3151         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
3152         (__valarray_get_storage): Call operator new directly. Remove ignored
3153         top-level restrict qualifier and add malloc attribute instead.
3154         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
3155
3156         PR libstdc++/67554
3157         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
3158         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
3159
3160         PR libstdc++/82966
3161         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
3162         instead of type.
3163         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
3164
3165 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
3166
3167         PR libstdc++/80165
3168         * testsuite/20_util/variant/80165.cc: New.
3169
3170 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3171
3172         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
3173         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
3174         of C++11 containers with Debug Mode support.
3175         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
3176         * doc/html/*: Regenerate.
3177
3178 2018-05-10  Jason Merrill  <jason@redhat.com>
3179
3180         * include/bits/regex_compiler.h (_S_cache_size): Change from
3181         function to variable.
3182
3183 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
3184
3185         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
3186         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
3187         argument defaulted to +1.  Doxy comments on same.
3188         * testsuite/special_functions/02_assoc_legendre/
3189         check_value.cc: Regen.
3190         * testsuite/tr1/5_numerical_facilities/special_functions/
3191         02_assoc_legendre/check_value.cc: Regen.
3192
3193 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3194
3195         PR libstdc++/85729
3196         * include/bits/c++config.h (__replacement_assert): Add linkage
3197         specification.
3198         * include/bits/std_abs.h: Add comment to closing brace of block.
3199         * include/c_global/cstddef: Add linkage specification.
3200         * include/c_global/cstring: Likewise.
3201         * include/c_global/cwchar: Likewise.
3202
3203 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
3204
3205         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
3206         Rename in...
3207         (_Safe_iterator<>::_S_constant()): ...that.
3208         * include/debug/safe_local_iterator.h
3209         (_Safe_local_iterator<>::_M_constant()): Rename in...
3210         (_Safe_local_iterator<>::_S_constant()): ...that.
3211         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
3212         (_Iterator_state::__rbegin): New.
3213         (_Iterator_state::__rmiddle): New.
3214         (_Iterator_state::__rend): New.
3215         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
3216         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
3217         iterator type.
3218         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
3219         _Is_iterator)): Likewise.
3220         (_Parameter::_S_reverse_state(_Iterator_state)): New.
3221         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
3222         _Is_iterator)): New.
3223         (_Parameter(std::reverse_iterator<> const&, const char*,
3224         _Is_iterator)): New.
3225         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
3226         const char*, _Is_iterator)): New.
3227         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
3228         New.
3229         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
3230         _Is_iterator)): New.
3231         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
3232         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
3233         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
3234
3235 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
3236
3237         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
3238         Use constexpr if in C++17 mode.
3239         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
3240         Copy from const object.
3241         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
3242
3243 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
3244
3245         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
3246         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
3247         backtrace.
3248
3249         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
3250         * include/debug/functions.h (__check_valid_range): Use latter.
3251         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
3252         use latter.
3253         * include/debug/deque
3254         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3255         * include/debug/forward_list
3256         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
3257         Likewise.
3258         * include/debug/list
3259         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3260         * include/debug/list
3261         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3262         * include/debug/map.h
3263         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3264         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3265         Likewise.
3266         * include/debug/multimap.h
3267         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3268         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
3269         const _Alloc&)): Likewise.
3270         * include/debug/set.h
3271         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3272         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3273         Likewise.
3274         * include/debug/multiset.h
3275         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3276         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
3277         const _Alloc&)): Likewise.
3278         * include/debug/string
3279         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
3280         Likewise.
3281         * include/debug/unordered_map
3282         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
3283         Likewise.
3284         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
3285         const _Alloc&)): Likewise.
3286         * include/debug/unordered_set
3287         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
3288         Likewise.
3289         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
3290         const _Alloc&)): Likewise.
3291         * include/debug/vector
3292         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3293
3294         * include/debug/formatter.h (_Error_formatter::_M_function): New.
3295         (_Error_formatter(const char*, unsigned int)): Adapt.
3296         (_Error_formatter::_M_at): Rename in...
3297         (_Error_formatter::_S_at): ...that and adapt.
3298         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
3299         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
3300         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
3301         when available.
3302
3303 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
3304
3305         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
3306         Use normal std::vector even in Debug Mode.
3307
3308         PR libstdc++/85672
3309         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
3310         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
3311         * include/Makefile.in: Regenerate.
3312         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
3313         within conditional block.
3314
3315 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
3316
3317         * doc/xml/manual/using.xml (table.cmd_options): Document that the
3318         C++17 Filesystem implementation also needs -lstdc++fs.
3319
3320         PR libstdc++/85671
3321         * include/bits/fs_path.h (operator/): Permit copy elision.
3322         * include/experimental/bits/fs_path.h (operator/): Likewise.
3323
3324 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
3325
3326         Moar PR libstdc++/80506
3327         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
3328         Fix magic number used in loop condition.
3329
3330 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
3331
3332         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
3333         * include/std/optional (_Optional_payload): Add noexcept to default
3334         constructor. Re-indent.
3335         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
3336         constructor for copying disengaged payloads.
3337         (_Optional_payload<_Tp, true, false, true>): Likewise.
3338         (_Optional_payload<_Tp, true, true, false>): Likewise.
3339         (_Optional_payload<_Tp, true, false, false>): Likewise.
3340         * testsuite/20_util/optional/cons/85642.cc: New.
3341         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
3342
3343 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
3344
3345         PR libstdc++/82644
3346         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
3347         inline definitions instead of using-declarations.
3348         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
3349         * testsuite/tr1/5_numerical_facilities/special_functions/
3350         07_conf_hyperg/compile_cxx17.cc: New.
3351         * testsuite/tr1/5_numerical_facilities/special_functions/
3352         17_hyperg/compile_cxx17.cc: New.
3353
3354         PR libstdc++/84769
3355         * include/std/variant (visit): Qualify std::get call.
3356
3357         PR libstdc++/85632 use uintmax_t for arithmetic
3358         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
3359         arithmetic in result type.
3360         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
3361         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
3362         is greater than free space.
3363         * testsuite/experimental/filesystem/operations/space.cc: New.
3364
3365         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
3366         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
3367         New.
3368         * testsuite/20_util/remove_cvref/value.cc: New.
3369         * testsuite/20_util/remove_cvref/value_ext.cc: New.
3370
3371         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
3372         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
3373         (append(const basic_string&, size_type, size_type)
3374         (assign(const basic_string&, size_type, size_type)
3375         (insert(size_type, const basic_string&, size_type, size_type)
3376         (replace(size_type,size_type,const basic_string&,size_type,size_type)
3377         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
3378         Add default arguments (LWG 2268).
3379         [_GLIBCXX_USE_CXX11_ABI=0]
3380         (append(const basic_string&, size_type, size_type)
3381         (assign(const basic_string&, size_type, size_type)
3382         (insert(size_type, const basic_string&, size_type, size_type)
3383         (replace(size_type,size_type,const basic_string&,size_type,size_type)
3384         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
3385         Likewise.
3386         * testsuite/21_strings/basic_string/dr2268.cc: New test.
3387
3388         PR libstdc++/84535
3389         * include/std/thread (thread::__not_same): New SFINAE helper.
3390         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
3391         first argument is not a std::thread. Add static assertion to check
3392         INVOKE expression is valid.
3393         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
3394         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
3395         __invoke_result for return types and remove exception specifications.
3396         * testsuite/30_threads/thread/cons/84535.cc: New.
3397
3398         * include/std/future (__async_result_of): Use __invoke_result instead
3399         of result_of.
3400
3401         * include/std/any (any_cast): Use __remove_cvref_t.
3402         * include/std/tuple (__make_tuple): Likewise.
3403         * include/std/type_traits (__remove_cvref_t): Define.
3404         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
3405         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
3406         * include/std/variant (__erased_hash): Use __remove_cvref_t.
3407
3408 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
3409
3410         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
3411         ensure overloaded comma not used.
3412         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
3413         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
3414         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
3415         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
3416         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
3417         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
3418         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
3419
3420 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
3421
3422         PR libstdc++/68197
3423         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
3424         indices to unsigned.
3425         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
3426         as failure. Refactor error handling.
3427         * testsuite/27_io/ios_base/storage/68197.cc: New.
3428
3429         PR libstdc++/57997
3430         PR libstdc++/83860
3431         * include/bits/gslice_array.h (gslice_array): Define default
3432         constructor as deleted, as per C++11 standard.
3433         * include/bits/mask_array.h (mask_array): Likewise.
3434         * include/bits/slice_array.h (slice_array): Likewise.
3435         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
3436         to namespace __detail.
3437         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
3438         members.
3439         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
3440         of data members in closure objects.
3441         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
3442         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
3443         __detail.
3444         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
3445         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
3446         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
3447         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
3448         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
3449         using-declarations to namespace std.
3450         * testsuite/26_numerics/valarray/83860.cc: New.
3451
3452         * testsuite/backward/strstream_move.cc: Remove duplicate function
3453         call.
3454
3455         PR libstdc++/69608
3456         * include/backward/strstream (strstreambuf): Define move constructor
3457         and move assignment operator.
3458         (istrstream, ostrstream, strstream): Likewise.
3459         * testsuite/backward/strstream_move.cc: New.
3460
3461 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
3462
3463         PR libstdc++/84654
3464         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
3465         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
3466         * configure: Regenerate.
3467         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
3468         based on ENABLE_FLOAT128.
3469         * include/Makefile.in: Regenerate.
3470         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
3471         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
3472         _GLIBCXX_USE_FLOAT128.
3473
3474 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3475
3476         * configure: Regenerated.
3477
3478 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
3479
3480         * configure: Regenerated.
3481
3482 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
3483             Jakub Jelinek  <jakub@redhat.com>
3484
3485         PR libstdc++/85442
3486         * src/c++11/Makefile.am: Don't generate debuginfo again for
3487         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
3488         * src/c++11/Makefile.in: Regenerate.
3489
3490 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
3491
3492         PR libstdc++/84442
3493         * testsuite/30_threads/thread/cons/terminate.cc
3494         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
3495
3496 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
3497
3498         PR jit/85384
3499         * configure: Regenerate.
3500
3501 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
3502
3503         * testsuite/experimental/filesystem/file_status/1.cc: Add
3504         -DUSE_FILESYSTEM_TS to dg-options.
3505         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3506         Likewise.
3507         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
3508         * testsuite/experimental/filesystem/iterators/
3509         recursive_directory_iterator.cc: Likewise.
3510         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
3511         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
3512         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
3513         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
3514         * testsuite/experimental/filesystem/operations/create_directories.cc:
3515         Likewise.
3516         * testsuite/experimental/filesystem/operations/create_directory.cc:
3517         Likewise.
3518         * testsuite/experimental/filesystem/operations/create_symlink.cc:
3519         Likewise.
3520         * testsuite/experimental/filesystem/operations/current_path.cc:
3521         Likewise.
3522         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
3523         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
3524         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
3525         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
3526         * testsuite/experimental/filesystem/operations/last_write_time.cc:
3527         Likewise.
3528         * testsuite/experimental/filesystem/operations/permissions.cc:
3529         Likewise.
3530         * testsuite/experimental/filesystem/operations/read_symlink.cc:
3531         Likewise.
3532         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
3533         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
3534         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
3535         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
3536         Likewise.
3537         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
3538         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
3539         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
3540         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
3541         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
3542         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
3543         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
3544         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
3545         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
3546         * testsuite/experimental/filesystem/path/construct/default.cc:
3547         Likewise.
3548         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
3549         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
3550         * testsuite/experimental/filesystem/path/construct/string_view.cc:
3551         Likewise.
3552         * testsuite/experimental/filesystem/path/decompose/extension.cc:
3553         Likewise.
3554         * testsuite/experimental/filesystem/path/decompose/filename.cc:
3555         Likewise.
3556         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
3557         Likewise.
3558         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
3559         Likewise.
3560         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
3561         Likewise.
3562         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
3563         Likewise.
3564         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
3565         Likewise.
3566         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
3567         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
3568         Likewise.
3569         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
3570         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
3571         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
3572         Likewise.
3573         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
3574         Likewise.
3575         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
3576         Likewise.
3577         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
3578         Likewise.
3579         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
3580         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
3581         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
3582         Likewise.
3583         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
3584         * testsuite/experimental/filesystem/path/query/has_extension.cc:
3585         Likewise.
3586         * testsuite/experimental/filesystem/path/query/has_filename.cc:
3587         Likewise.
3588         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
3589         Likewise.
3590         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
3591         Likewise.
3592         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
3593         Likewise.
3594         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
3595         Likewise.
3596         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
3597         Likewise.
3598         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
3599         * testsuite/experimental/filesystem/path/query/is_relative.cc:
3600         Likewise.
3601
3602 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
3603
3604         * src/c++11/Makefile.am: Fix sed command.
3605         * src/c++11/Makefile.in: Regenerate.
3606
3607         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
3608         handle mangled names starting with double underscores on darwin.
3609         * src/c++11/Makefile.in: Regenerate.
3610
3611 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
3612
3613         * src/c++11/Makefile.am: Fix comment.
3614         * src/c++11/Makefile.in: Regenerate.
3615         * src/c++11/cxx11-ios_failure.cc: Fix comment.
3616         * src/c++98/ios_failure.cc: Likewise.
3617
3618         * src/c++11/ios.cc: Remove redundant macro definition.
3619
3620 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
3621
3622         * doc/xml/manual/abi.xml: Document header locations in recent
3623         releases.
3624         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
3625         * doc/xml/manual/spine.xml: Update copyright years.
3626         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
3627         undefined behaviour.
3628         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
3629         * doc/html/*: Regenerate.
3630
3631 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
3632
3633         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
3634         * doc/xml/manual/backwards_compatibility.xml: Likewise.
3635         * doc/xml/manual/containers.xml: Likewise.
3636         * doc/xml/manual/debug_mode.xml: Likewise.
3637         * doc/xml/manual/extensions.xml: Likewise.
3638         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
3639         * doc/xml/manual/using.xml: Likewise.
3640         * doc/xml/manual/utilities.xml: Likewise.
3641
3642         PR libstdc++/85222
3643         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
3644         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
3645         * src/c++11/Makefile.in: Regenerate.
3646         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
3647         New types.
3648         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
3649         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
3650         * src/c++98/ios_failure.cc (__construct_ios_failure)
3651         (__destroy_ios_failure, is_ios_failure_handler): New functions.
3652         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
3653         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
3654         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
3655         handler types, to always catch std::ios_base::failure.
3656         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
3657         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
3658         exceptions_failbit.cc: Likewise.
3659         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
3660         exceptions_failbit.cc: Likewise.
3661         * testsuite/27_io/basic_istream/extractors_other/char/
3662         exceptions_null.cc: Likewise.
3663         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
3664         exceptions_null.cc: Likewise.
3665         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
3666         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
3667         * testsuite/27_io/basic_ostream/inserters_other/char/
3668         exceptions_null.cc: Likewise.
3669         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
3670         exceptions_null.cc: Likewise.
3671         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
3672
3673 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
3674
3675         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
3676         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
3677
3678 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
3679
3680         PR libstdc++/85183
3681         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
3682         value categories.
3683         * testsuite/20_util/variant/85183.cc: New.
3684
3685 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
3686
3687         * include/std/variant (__get): Qualify calls to avoid ADL.
3688         (__select_index): Adjust whitespace.
3689         (variant): Add using-declaration to workaround Clang bug.
3690
3691 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
3692
3693         PR libstdc++/85040
3694         * include/bits/stl_function.h (greater::__not_overloaded)
3695         (less::__not_overloaded, greater_equal::__not_overloaded)
3696         (less_equal::__not_overloaded): Fix ambiguous specializations.
3697         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
3698         tests for type with overloaded operators.
3699
3700 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3701
3702         PR libstdc++/77691
3703         * testsuite/experimental/memory_resource/resource_adaptor.cc:
3704         xfail execution on 32-bit Solaris/x86.
3705
3706 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
3707
3708         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
3709         VERIFY instead of assert.
3710         * testsuite/20_util/hash/84998.cc: New test.
3711         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
3712         copy of test adjusted for Debug Mode.
3713         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
3714         test in Debug Mode.
3715
3716 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
3717
3718         PR libstdc++/84998
3719         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
3720         * include/std/bitset: Likewise.
3721         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
3722         declaration.
3723         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
3724         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
3725         * include/bits/stl_set.h (std::set<>): Likewise.
3726         * include/bits/unordered_map.h (std::unordered_map<>): Fix
3727         _Hash_merge_helper friend declaration.
3728         (std::unordered_multimap<>): Likewise.
3729         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
3730         (std::unordered_multiset<>): Likewise.
3731
3732 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
3733
3734         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
3735         trailing slash for domain level link.
3736         * doc/xml/faq.xml: Ditto.
3737         * doc/xml/manual/appendix_free.xml (software): Ditto.
3738         * doc/xml/manual/intro.xml: Ditto.
3739         * doc/xml/manual/spine.xml: Ditto.
3740         * doc/xml/spine.xml: Ditto.
3741
3742 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
3743
3744         * doc/xml/manual/documentation_hacking.xml: Adjust link to
3745         docbook.org.
3746
3747 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
3748
3749         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
3750         to compile as C++98.
3751
3752 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
3753
3754         PR libstdc++/78420
3755         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
3756         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
3757         to ensure total order for pointers.
3758         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
3759         Add operator() overloads for pointer arguments and make generic
3760         overloads dispatch to new _S_cmp functions when comparisons would
3761         use built-in operators for pointers.
3762         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
3763
3764 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
3765
3766         PR libstdc++/84773
3767         PR libstdc++/83662
3768         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
3769         * configure: Regenerate.
3770         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
3771         (aligned_alloc): Add using-declaration.
3772         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
3773
3774 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
3775
3776         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
3777         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
3778         registration.
3779
3780 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
3781
3782         PR libstdc++/84769
3783         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
3784         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
3785
3786         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
3787         src/filesystem/std-ops.cc (create_dir): Likewise.
3788
3789 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
3790
3791         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
3792         (StdListIteratorPrinter): Inherit from latter.
3793         (StdFwdListIteratorPrinter): New, inherit from latter.
3794         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
3795         when iterator has no associated container.
3796         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
3797         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
3798         registrations.
3799         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
3800         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
3801
3802 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
3803
3804         PR libstdc++/84601
3805         * include/std/optional (_Optional_payload): Split into multiple
3806         specializations that can handle different cases of trivial or
3807         non-trivial assignment operators.
3808         * testsuite/20_util/optional/84601.cc: New.
3809         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
3810
3811 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
3812
3813         PR libstdc++/84671
3814         * include/bits/parse_numbers.h (_Number_help): Add partial
3815         specialization to handle digit separators. Adjust partial
3816         specialization for recursion temrination to require _Pow == 1ULL.
3817         * testsuite/20_util/duration/literals/84671.cc: New
3818
3819 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
3820
3821         Implement the missing bits of LWG 2769
3822         * include/std/any (any_cast(const any&)): Add static_assert.
3823         (any_cast(any&)): Likewise.
3824         (any_cast(any&&)): Likewise, and remove the handling
3825         for copyable-but-not-movable type.
3826         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
3827         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
3828         add new tests.
3829
3830 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
3831
3832         PR libstdc++/84532
3833         * include/std/thread (thread::__make_invoker): Construct tuple
3834         directly instead of using make_tuple.
3835         * testsuite/30_threads/async/84532.cc: New.
3836         * testsuite/30_threads/thread/84532.cc: New.
3837
3838 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
3839
3840         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
3841         (template<> __aligned_buffer): Define as __aligned_membuf alias.
3842
3843 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
3844
3845         PR target/84148
3846         * configure: Regenerate.
3847
3848 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
3849
3850         PR libstdc++/81797
3851         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
3852         * configure: Regenerate.
3853         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
3854         defined.
3855         * include/Makefile.in: Regenerate.
3856
3857 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
3858
3859         PR libstdc++/83833
3860         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
3861         Add -ffloat-store to options for m68k and ia32.
3862
3863         * doc/xml/faq.xml: Update copyright years.
3864         * doc/html/*: Regenerate.
3865
3866         PR libstdc++/83658
3867         * include/std/any (any::__do_emplace): Only set _M_manager after
3868         constructing the contained object.
3869         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
3870         * testsuite/20_util/any/modifiers/83658.cc: New test.
3871
3872 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
3873
3874         PR libstdc++/81076
3875         * include/c_global/cstddef (__byte_operand): Define primary template.
3876         * testsuite/18_support/byte/81076.cc: New test.
3877
3878 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
3879
3880         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
3881         dg-options and dg-add-options order.
3882         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
3883         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
3884         Likewise.
3885         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
3886         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
3887         Likewise.
3888         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
3889         Likewise.
3890         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
3891         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
3892         Likewise.
3893         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
3894         Likewise.
3895         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
3896         Likewise.
3897         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
3898         Likewise.
3899         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
3900         Likewise.
3901         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
3902         Likewise.
3903         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
3904         Likewise.
3905         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
3906         Likewise.
3907         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
3908         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
3909         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
3910         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
3911         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
3912         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
3913         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
3914         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
3915         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
3916         Likewise.
3917         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
3918         Likewise.
3919         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
3920         Likewise.
3921         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
3922         Likewise.
3923
3924 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
3925
3926         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
3927         include linux/types.h when checking linux/random.h header.
3928         * config.h.in: Regenerate.
3929         * configure: Ditto.
3930         * src/c++11/random.cc: Conditionally include linux/types.h.
3931
3932 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
3933
3934         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
3935
3936 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
3937
3938         PR libstdc++/83834
3939         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
3940         pattern with exact match for std::cerr.
3941
3942 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
3943
3944         PR libstdc++/83833
3945         * include/bits/random.h (chi_squared_distribution::param): Update
3946         gamma distribution parameter.
3947         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
3948         test.
3949
3950         PR libstdc++/83830
3951         * include/std/type_traits (has_unique_object_representations_v): Add
3952         variable template.
3953         * testsuite/20_util/has_unique_object_representations/value.cc: Check
3954         variable template.
3955
3956 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
3957
3958         Make optional conditionally
3959         trivially_{copy,move}_{constructible,assignable}
3960         * include/std/optional (_Optional_payload): Fix the comment in
3961         the class head and turn into a primary and one specialization.
3962         (_Optional_payload::_M_engaged): Strike the NSDMI.
3963         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
3964         New.
3965         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
3966         Likewise.
3967         (_Optional_payload<_Tp, false>::_M_get): Likewise.
3968         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
3969         (_Optional_base_impl): Likewise.
3970         (_Optional_base): Turn into a primary and three specializations.
3971         (optional(nullopt)): Change the base init.
3972         * testsuite/20_util/optional/assignment/8.cc: New.
3973         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
3974         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
3975
3976 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
3977
3978         PR libstdc++/80276
3979         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
3980         (get_template_arg_list): New.
3981         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
3982         instead.
3983         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
3984         of strings and regular expressions.
3985         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
3986         (FilteringTypePrinter): Add docstring. Match using startswith. Use
3987         strip_inline_namespaces instead of strip_versioned_namespace.
3988         (add_one_type_printer): Prepend namespace to match argument.
3989         (register_type_printers): Add type printers for char16_t and char32_t
3990         string types and for types using cxx11 ABI. Update calls to
3991         add_one_template_type_printer to provide default argument dicts.
3992         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
3993         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
3994         basic_string<unsigned char> and basic_string<signed char>.
3995         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
3996         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
3997
3998 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
3999
4000         PR libstdc++/81092
4001         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
4002
4003 2018-01-13  Tim Shen  <timshen@google.com>
4004
4005         PR libstdc++/83601
4006         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
4007         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
4008         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
4009
4010 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4011
4012         PR libstdc++/64054
4013         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
4014         Remove dg-xfail-run-if.
4015
4016 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
4017
4018         * include/bits/forward_list.h
4019         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
4020         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
4021         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
4022         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
4023         (_Fwd_list_impl()): Add noexcept qualification.
4024         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
4025         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
4026         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
4027         (_Fwd_list_base()): Default.
4028         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
4029         (_Fwd_list_base(_Fwd_list_base&&)): Default.
4030         (forward_list<>()): Default.
4031         (forward_list<>(forward_list&&)): Default.
4032         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
4033         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
4034         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
4035         * include/bits/forward_list.tcc
4036         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
4037         _M_impl._M_head move assignment.
4038         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
4039         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
4040
4041 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
4042
4043         PR libstdc++/80276
4044         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
4045         (UniquePointerPrinter): Print correct template argument, not type of
4046         the pointer.
4047         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
4048         a type.
4049         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
4050         array type.
4051         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
4052         weak_ptr of array types.
4053
4054 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
4055
4056         PR libstdc++/83709
4057         * include/bits/hashtable_policy.h
4058         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
4059         __first != __last.
4060         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
4061         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
4062         Add false_type parameter.
4063         (_Insert_base::insert): Adapt.
4064         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
4065         Adapt.
4066         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
4067          Add __n_elt parameter, defaulted to 1.
4068         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
4069         policy _M_need_rehash.
4070         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
4071         produce only 1 rehash if necessary.
4072         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
4073         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
4074
4075 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
4076             Jonathan Wakely  <jwakely@redhat.com>
4077
4078         PR libstdc++/59253 (partial)
4079         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
4080         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
4081         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
4082         children.
4083         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
4084         of unique_ptr printer.
4085         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
4086         output of shared_ptr printer.
4087
4088 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
4089
4090         PR libstdc++/83626
4091         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
4092         unnecessary symlink_status call.
4093         (remove_all(const path&, error_code&)): Use filesystem::remove.
4094         * src/filesystem/std-ops.cc: Likewise.
4095
4096         PR libstdc++/83279
4097         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
4098         sendfile.
4099
4100         PR libstdc++/83626
4101         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
4102         report an error for ENOENT.
4103         (remove_all(const path&)): Fix type of result variable.
4104         (remove_all(const path&, error_code&)): Use non-throwing increment
4105         for directory iterator. Call POSIX remove directly to avoid redundant
4106         calls to symlink_status. Do not report errors for ENOENT.
4107         * src/filesystem/std-ops.cc: Likewise.
4108         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
4109         overload.
4110         * testsuite/experimental/filesystem/operations/remove_all.cc:
4111         Likewise.
4112
4113 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
4114
4115         PR libstdc++/83626
4116         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
4117         redundant call to ec.clear().
4118         (remove_all(const path&, error_code&))): Do not return an error for
4119         non-existent paths.
4120         * src/filesystem/std-ops.cc: Likewise.
4121         * testsuite/27_io/filesystem/operations/remove.cc: New test.
4122         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
4123         results for non-existent paths.
4124         * testsuite/experimental/filesystem/operations/remove.cc: New test.
4125         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
4126         expected results for non-existent paths.
4127
4128         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
4129         check status_known once.
4130         * include/experimental/bits/fs_ops.h: Likewise.
4131
4132         PR libstdc++/83607
4133         * include/std/functional (__is_byte_like): New trait.
4134         (__is_std_equal_to): Remove.
4135         (__boyer_moore_base_t): Use __is_byte_like instead of
4136         __is_std_equal_to.
4137         * include/experimental/functional (__is_std_equal_to): Remove.
4138         (__boyer_moore_base_t): Use __is_byte_like instead of
4139         __is_std_equal_to.
4140         * testsuite/20_util/function_objects/83607.cc: New test.
4141
4142 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
4143
4144         Protect optional's deduction guide with the feature macro
4145         * include/std/optional: Use the feature macro.
4146
4147 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
4148
4149         Update copyright years.
4150 \f
4151 Copyright (C) 2018 Free Software Foundation, Inc.
4152
4153 Copying and distribution of this file, with or without modification,
4154 are permitted in any medium without royalty provided the copyright
4155 notice and this notice are preserved.