libstdc++-v3/ChangeLog

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