libstdc++-v3/ChangeLog

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