libstdc++-v3/ChangeLog

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