libstdc++-v3/ChangeLog

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