libstdc++-v3/ChangeLog

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