libstdc++-v3/ChangeLog

   1 2018-09-03  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         PR libstdc++/78595
   4         * include/bits/stl_map.h (map::insert(_Pair&&))
   5         (map::insert(const_iterator, _Pair&&)): Do emplace instead of insert.
   6         * include/bits/stl_multimap.h (multimap::insert(_Pair&&))
   7         (multimap::insert(const_iterator, _Pair&&)): Likewise.
   8         * include/bits/unordered_map.h (unordered_map::insert(_Pair&&))
   9         (unordered_map::insert(const_iterator, _Pair&&))
  10         (unordered_multimap::insert(_Pair&&))
  11         (unordered_multimap::insert(const_iterator, _Pair&&)): Likewise.
  12         * testsuite/23_containers/map/modifiers/insert/78595.cc: New test.
  13         * testsuite/23_containers/multimap/modifiers/insert/78595.cc: New test.
  14         * testsuite/23_containers/unordered_map/modifiers/78595.cc: New test.
  15         * testsuite/23_containers/unordered_multimap/modifiers/78595.cc: New
  16         test.
  17
  18 2018-09-02  François Dumont  <fdumont@gcc.gnu.org>
  19
  20         * include/debug/safe_iterator.h
  21         (_Safe_iterator<_It, _Seq, _Cat>::_Self): New.
  22         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>::_Self):
  23         New.
  24         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
  25         ::_OtherSelf): New.
  26         (_GLIBCXX_DEBUG_VERIFY_OPERANDS, _GLIBCXX_DEBUG_VERIFY_EQ_OPERANDS)
  27         (_GLIBCXX_DEBUG_VERIFY_REL_OPERANDS)
  28         (_GLIBCXX_DEBUG_VERIFY_DIST_OPERANDS): Define macros.
  29         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
  30         ::operator+(difference_type)): Use latters, inline as friend.
  31         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
  32         ::operator-(difference_type)): Likewise.
  33         (operator==(const _Safe_iterator<>&, const _Safe_iterator<>&)):
  34         Likewise.
  35         (operator!=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
  36         Likewise.
  37         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
  38         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
  39         Likewise.
  40         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
  41         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
  42         Likewise.
  43         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
  44         (operator+(difference_type, const _Safe_iterator<>&)): Likewise.
  45         (operator-(const _Safe_iterator<>&, difference_type)): Likewise.
  46         * include/debug/safe_iterator.tcc
  47         (_Safe_iterator<>::_M_can_advance(difference_type)): Take parameter by
  48         copy.
  49         * include/debug/safe_local_iterator.h
  50         (_Safe_local_iterator<_It, _Seq>::_Self): New.
  51         (_Safe_local_iterator<_It, _Seq>::_OtherSelf): New.
  52         (_GLIBCXX_DEBUG_VERIFY_OPERANDS): Define macro.
  53         (operator==(const _Safe_local_iterator<>&,
  54         const _Safe_local_iterator<>&)): Use latter, inline as friend.
  55         (operator!=(const _Safe_local_iterator<>&,
  56         const _Safe_local_iterator<>&)): Likewise.
  57         * testsuite/util/testsuite_containers.h: Include utility.
  58         (struct forward_members_unordered<_Tp, bool>): Remove 2nd template
  59         parameter.
  60         (forward_members_unordered<>::forward_members_unordered(value_type&)):
  61         Add using namespace std::rel_ops.
  62         Add iterator_concept_checks on local_iterator and const_local_iterator.
  63         Add asserts on comparison between const_local_iterator and
  64         local_iterator.
  65         (struct forward_members_unordered<_Tp, false>): Remove partial
  66         specialization.
  67         * testsuite/23_containers/forward_list/types/1.cc: New.
  68         * testsuite/23_containers/list/types/1.cc: New.
  69
  70 2018-09-01  Gerald Pfeifer  <gerald@pfeifer.com>
  71
  72         * doc/xml/manual/profile_mode.xml: Update three ieeexplore.ieee.org
  73         references.
  74
  75 2018-08-31  Sandra Loosemore  <sandra@codesourcery.com>
  76
  77         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/10.cc:
  78         Add dg-require-fileio.
  79         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/11.cc:
  80         Likewise.
  81         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/5.cc:
  82         Likewise.
  83         * testsuite/21_strings/basic_string_view/inserters/wchar_t/2.cc:
  84         Likewise.
  85         * testsuite/25_algorithms/copy/streambuf_iterators/wchar_t/4.cc:
  86         Likewise.
  87         * testsuite/25_algorithms/find/istreambuf_iterators/wchar_t/2.cc:
  88         Likewise.
  89         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-1.cc: Likewise.
  90         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-2.cc: Likewise.
  91         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-3.cc: Likewise.
  92         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-4.cc: Likewise.
  93         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/11543.cc: Likewise.
  94         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-1.cc:
  95         Likewise.
  96         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-2.cc:
  97         Likewise.
  98         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-3.cc:
  99         Likewise.
 100         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-4.cc:
 101         Likewise.
 102         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-1.cc:
 103         Likewise.
 104         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-2.cc:
 105         Likewise.
 106         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-4.cc:
 107         Likewise.
 108         * testsuite/27_io/basic_filebuf/underflow/wchar_t/2.cc: Likewise.
 109         * testsuite/27_io/basic_filebuf/underflow/wchar_t/3.cc: Likewise.
 110         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: Likewise.
 111         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: Likewise.
 112         * testsuite/27_io/basic_istream/extractors_character/wchar_t/4.cc:
 113         Likewise.
 114         * testsuite/27_io/basic_istream/extractors_other/wchar_t/2.cc:
 115         Likewise.
 116         * testsuite/27_io/basic_istream/get/wchar_t/2.cc: Likewise.
 117         * testsuite/27_io/basic_istream/getline/wchar_t/5.cc: Likewise.
 118         * testsuite/27_io/basic_istream/ignore/wchar_t/2.cc: Likewise.
 119         * testsuite/27_io/basic_istream/ignore/wchar_t/3.cc: Likewise.
 120         * testsuite/27_io/basic_istream/seekg/wchar_t/sstream.cc: Likewise.
 121         * testsuite/27_io/basic_istream/tellg/wchar_t/sstream.cc: Likewise.
 122         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: Likewise.
 123         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: Likewise.
 124         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/1.cc:
 125         Likewise.
 126         * testsuite/27_io/objects/wchar_t/10.cc: Likewise.
 127         * testsuite/27_io/objects/wchar_t/12048-1.cc: Likewise.
 128         * testsuite/27_io/objects/wchar_t/12048-2.cc: Likewise.
 129         * testsuite/27_io/objects/wchar_t/12048-3.cc: Likewise.
 130         * testsuite/27_io/objects/wchar_t/12048-4.cc: Likewise.
 131         * testsuite/27_io/objects/wchar_t/12048-5.cc: Likewise.
 132         * testsuite/experimental/string_view/inserters/wchar_t/2.cc:
 133         Likewise.
 134         * testsuite/ext/stdio_sync_filebuf/wchar_t/1.cc: Likewise.
 135
 136 2018-08-30  Sandra Loosemore  <sandra@codesourcery.com>
 137
 138         * testsuite/experimental/propagate_const/observers/1.cc: Make
 139         dependence on -fdelete-null-pointer-checks explicit.
 140
 141 2018-08-30  Jonathan Wakely  <jwakely@redhat.com>
 142
 143         * include/bits/hashtable_policy.h (__clp2): Fix calculation for LLP64
 144         targets where sizeof(size_t) > sizeof(long). Avoid undefined shifts
 145         of the number of bits in the type.
 146         * include/std/bit (__ceil2): Avoid undefined shifts.
 147         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Test values with
 148         the most signifiant bit set.
 149
 150         * config/abi/pre/gnu.ver: Add missing exports for mingw.
 151
 152         * include/ext/pointer.h (_Pointer_adapter): Define operators for
 153         pointer arithmetic using long long offsets.
 154         * testsuite/ext/ext_pointer/1.cc: Test pointer arithmetic using
 155         long long values.
 156
 157 2018-08-29  Jonathan Wakely  <jwakely@redhat.com>
 158
 159         PR libstdc++/31413
 160         * testsuite/22_locale/time_get/get_date/wchar_t/4.cc: Check D_FMT
 161         string for alternative format.
 162
 163 2018-08-28  Jonathan Wakely  <jwakely@redhat.com>
 164
 165         PR libstdc++/87116
 166         * src/filesystem/std-path.cc (path::lexically_normal): When handling
 167         a dot-dot filename, preserve an empty final component in the iteration
 168         sequence.
 169         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use preferred-separator for
 170         root-directory.
 171         * testsuite/27_io/filesystem/path/generation/normal.cc: Add new tests
 172         for more than two adjacent dot-dot filenames.
 173         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Replace slashes with
 174         preferred-separator in expected normalized strings.
 175
 176 2018-08-25  Iain Sandoe  <iain@sandoe.co.uk>
 177
 178         PR libstdc++/70694
 179         * configure.host (OPT_LDFLAGS): Don't append
 180         -fvisibility-inlines-hidden for newer Darwin.
 181
 182 2018-08-24  Marc Glisse  <marc.glisse@inria.fr>
 183
 184         PR libstdc++/86822
 185         * libsupc++/new (operator new(size_t, nothrow_t), operator
 186         new[](size_t, nothrow_t), operator new(size_t, align_val_t, nothrow_t),
 187         operator new[](size_t, align_val_t, nothrow_t)): Add malloc attribute.
 188
 189 2018-08-24  Jonathan Wakely  <jwakely@redhat.com>
 190
 191         * include/debug/deque (std::__debug::deque): Declare.
 192         * include/debug/forward_list (std::__debug::forward_list): Declare.
 193         * include/debug/list (std::__debug::list): Declare.
 194         * include/debug/map (std::__debug::map): Declare.
 195         * include/debug/set (std::__debug::set): Declare.
 196         * include/debug/unordered_map (std::__debug::unordered_map): Declare.
 197         * include/debug/unordered_set (std::__debug::unordered_set): Declare.
 198         * include/debug/vector (std::__debug::vector): Declare.
 199         * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: New test.
 200         * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: New
 201         test.
 202         * testsuite/23_containers/list/pmr_typedefs_debug.cc: New test.
 203         * testsuite/23_containers/map/pmr_typedefs_debug.cc: New test.
 204         * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: New test.
 205         * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: New test.
 206         * testsuite/23_containers/set/pmr_typedefs_debug.cc: New test.
 207         * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc: New
 208         test.
 209         * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
 210         New test.
 211         * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
 212         New test.
 213         * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc: New
 214         test.
 215         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
 216         Adjust dg-error lineno.
 217         * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: New
 218         test.
 219
 220 2018-08-23  Jonathan Wakely  <jwakely@redhat.com>
 221
 222         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
 223         Only define when RTTI is enabled.
 224
 225         * include/debug/vector (__niter_base): Define for C++98.
 226
 227         * testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
 228         Fix C++98 test to not use C++11 features.
 229         * testsuite/25_algorithms/fill_n/2.cc: Likewise.
 230
 231         * scripts/check_compile: Fix comments.
 232
 233         * include/debug/string (insert(__const_iterator, _InIter, _InIter)):
 234         [!_GLIBCXX_USE_CXX11_ABI]: Replace use of C++11-only cbegin() with
 235         begin(), for C++98 compatibility.
 236
 237         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 238         (basic_string::__const_iterator): Change access to protected.
 239         [!_GLIBCXX_USE_CXX11_ABI] (basic_string::__const_iterator): Define
 240         as typedef for iterator.
 241         * include/debug/string (__const_iterator): Use typedef from base.
 242         (insert(const_iterator, _CharT))
 243         (replace(const_iterator, const_iterator, const basic_string&))
 244         (replace(const_iterator, const_iterator, const _CharT*, size_type))
 245         (replace(const_iterator, const_iterator, const CharT*))
 246         (replace(const_iterator, const_iterator, size_type, _CharT))
 247         (replace(const_iterator, const_iterator, _InputIter, _InputIter))
 248         (replace(const_iterator, const_iterator, initializer_list<_CharT>)):
 249         Change const_iterator parameters to __const_iterator.
 250         (insert(iterator, size_type, _CharT)): Add C++98 overload.
 251         (insert(const_iterator, _InputIterator, _InputIterator)): Change
 252         const_iterator parameter to __const_iterator.
 253         [!_GLIBCXX_USE_CXX11_ABI]: Add workaround for incorrect return type
 254         of base's member function.
 255         (insert(const_iterator, size_type, _CharT)) [!_GLIBCXX_USE_CXX11_ABI]:
 256         Likewise.
 257         (insert(const_iterator, initializer_list<_CharT>))
 258         [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
 259         * testsuite/21_strings/basic_string/init-list.cc: Remove effective
 260         target directive.
 261
 262         * testsuite/20_util/reference_wrapper/lwg2993.cc: Fix C++11 test to
 263         not use C++14 feature.
 264         * testsuite/23_containers/list/68222_neg.cc: Likewise.
 265
 266         * testsuite/21_strings/basic_string/init-list.cc:
 267         Require cxx11-abi.
 268         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
 269         Likewise.
 270         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
 271         Likewise.
 272
 273         * testsuite/23_containers/deque/capacity/max_size.cc: Fix test for
 274         C++98 mode.
 275         * testsuite/23_containers/deque/modifiers/assign/1.cc: Likewise.
 276         * testsuite/23_containers/list/modifiers/assign/1.cc: Likewise.
 277         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: Likewise.
 278         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
 279         * testsuite/23_containers/vector/modifiers/assign/1.cc: Likewise.
 280
 281 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
 282
 283         PR libstdc++/87061
 284         * include/experimental/regex [!_GLIBCXX_USE_CXX11_ABI]
 285         (experimental::pmr::match_results, experimental::pmr::cmatch)
 286         (experimental::pmr::smatch, experimental::pmr::wcmatch)
 287         (experimental::pmr::wsmatch): Do not declare for gcc4-compatible ABI,
 288         because COW strings don't support C++11 allocator model.
 289         * include/experimental/string [!_GLIBCXX_USE_CXX11_ABI]
 290         (experimental::pmr::basic_string, experimental::pmr::string)
 291         (experimental::pmr::u16string, experimental::pmr::u32string)
 292         (experimental::pmr::wstring): Likewise.
 293         * include/std/regex [!_GLIBCXX_USE_CXX11_ABI] (pmr::match_results)
 294         (pmr::cmatch, pmr::smatch, pmr::wcmatch, pmr::wsmatch): Likewise.
 295         * include/std/string [!_GLIBCXX_USE_CXX11_ABI] (pmr::basic_string)
 296         (pmr::string, pmr::u16string, pmr::u32string, pmr::wstring): Likewise.
 297         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Require
 298         cxx11-abi.
 299         * testsuite/28_regex/match_results/pmr_typedefs.cc: Likewise.
 300
 301         PR libstdc++/78448
 302         * include/bits/deque.tcc (deque::_M_range_initialize): Use
 303         _S_check_init_len to check size.
 304         (deque::_M_push_back_aux, deque::_M_push_front_aux): Throw length
 305         error if size would exceed max_size().
 306         * include/bits/stl_deque.h (_Deque_base::size_type): Remove typedef.
 307         (_Deque_base(_Deque_base&&, const allocator_type&, size_t)): Use
 308         size_t instead of size_type.
 309         (deq(size_type, const allocator_type&)
 310         (deq(size_type, const value_type&, const allocator_type&)
 311         (deque::_M_initialize_dispatch): Use _S_check_init_len to check size.
 312         (deque::max_size): Call _S_max_size.
 313         (deque::_S_check_init_len, deque::_S_max_size): New functions.
 314         * include/bits/stl_vector.h (vector(size_type, const allocator_type&))
 315         (vector(size_type, const value_type&, const allocator_type&))
 316         (vector::_M_initialize_dispatch, vector::_M_range_initialize): Use
 317         _S_check_init_len to check size.
 318         (vector::max_size): Call _S_max_size.
 319         (vector::_M_check_len): Prevent max from being expanded as a
 320         function-like macro.
 321         (vector::_S_check_init_len, vector::_S_max_size): New functions.
 322         * include/bits/vector.tcc (vector::_M_assign_aux): Use
 323         _S_check_init_len to check size.
 324         * testsuite/23_containers/deque/capacity/max_size.cc: New test.
 325         * testsuite/23_containers/vector/capacity/max_size.cc: New test.
 326
 327 2018-08-22  François Dumont  <fdumont@gcc.gnu.org>
 328
 329         PR libstdc++/68222
 330         * include/debug/safe_iterator.h
 331         (_Safe_iterator<_It, _Sq, _Cat>): Add category template parameter.
 332         (_Safe_iterator<>::_Const_iterator): Remove.
 333         (_Safe_iterator<>::_IsConstant): New.
 334         (_Safe_iterator<>::_OtherIterator): New.
 335         (_Safe_iterator<_It, _Sq, _Cat>::_Safe_iterator<_MutIte>(
 336         const _Safe_iterator<_MutIte, _Sq, _Cat>&)): Add _IsConstant::__value in
 337         __gnu_cxx::__enable_if condition.
 338         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to): New.
 339         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_from_begin): New.
 340         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to_end): New.
 341         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>): New.
 342         (_Safe_iterator<_It, _Sq, _Cat>::operator--()): Move...
 343         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 344         ::operator--()): ...here.
 345         (_Safe_iterator<_It, _Sq, _Cat>::operator--(int)): Move...
 346         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 347         ::operator--(int)): ...here.
 348         (_Safe_iterator<_It, _Sq, _Cat>::_M_decrementable()): Move...
 349         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 350         ::_M_decrementable()): ...here.
 351         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>): New.
 352         (_Safe_iterator<_It, _Sq, _Cat>::operator[](const difference_type&)):
 353         Move...
 354         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 355         ::operator[](const difference_type&)): ...here.
 356         (_Safe_iterator<_It, _Sq, _Cat>::operator+=(const difference_type&)):
 357         Move...
 358         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 359         ::operator+=(const difference_type&)): ...here.
 360         (_Safe_iterator<_It, _Sq, _Cat>::operator+(const difference_type&)):
 361         Move...
 362         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 363         ::operator+(const difference_type&)): ...here.
 364         (_Safe_iterator<_It, _Sq, _Cat>::operator-=(const difference_type&)):
 365         Move...
 366         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 367         ::operator-=(const difference_type&)): ...here.
 368         (_Safe_iterator<_It, _Sq, _Cat>::operator-(const difference_type&)):
 369         Move...
 370         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 371         ::operator-(const difference_type&)): ...here.
 372         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 373         Constraint to random access iterators.
 374         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 375         Likewise.
 376         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 377         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 378         Likewise.
 379         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 380         (operator+(const difference_type&, const _Safe_iterator<>&)): Likewise.
 381         (__check_dereferenceable(const _Safe_iterator<>&)): Remove.
 382         (__get_distance): Remove.
 383         (__get_distance_from_begin): Remove.
 384         (__get_distance_to_end): Remove.
 385         (struct __is_safe_random_iterator<_Safe_iterator<>>): Remove partial
 386         specialization.
 387         (__base(const _Safe_iterator<>&, std::input_iterator_tag)): Remove.
 388         (__base(const _Safe_iterator<>&, std::random_access_iterator_tag)): Remove.
 389         (__base(const _Safe_iterator<>&)): Constraint to random access iterator.
 390         * include/debug/safe_iterator.tcc
 391         (_Safe_iterator<>::_M_get_distance_from_begin()): New.
 392         (_Safe_iterator<>::_M_get_distance_to_end()): New.
 393         (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator<>&)): New.
 394         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 395         ::_M_valid_range): New.
 396         * include/debug/safe_local_iterator.h
 397         (_Safe_local_iterator<>::_Const_local_iterator): Remove.
 398         (_Safe_local_iterator<>::_IsConstant): New.
 399         (_Safe_local_iterator<>::_OtherIterator): New.
 400         (_Safe_local_iterator<_It, _Cont>::_Safe_local_iterator<_MutIte, _Cont>(
 401         const _Safe_local_iterator<_MutIte, _Seq>&)): Add _IsConstant::__value
 402         in __gnu_cxx::__enable_if condition. If singular compare base iterator
 403         with _MutIte rather than _It.
 404         (_Safe_local_iterator<>::_S_constant): Make constexpr.
 405         (_Safe_local_iterator<>::_M_get_distance_to): New.
 406         (__check_dereferenceable(const _Safe_local_iterator<>&)): Remove.
 407         (__get_distance(const _Safe_local_iterator<>&,
 408         const _Safe_local_iterator<>&, std::input_iterator_tag)): Remove.
 409         (__valid_range(const _Safe_local_iterator<>&,
 410         const _Safe_local_iterator<>&)): New.
 411         * include/debug/safe_local_iterator.tcc
 412         (_Safe_local_iterator<>::_M_get_distance_to): New.
 413         * include/debug/deque (std::__debug::deque<>): Add
 414         ::__gnu_debug::_Safe_iterator<> friend declaration.
 415         * include/debug/forward_list (std::__debug::forward_list<>): Likewise.
 416         * include/debug/list (std::__debug::list<>): Likewise.
 417         * include/debug/map.h (std::__debug::map<>): Likewise.
 418         * include/debug/multimap.h (std::__debug::multimap<>): Likewise.
 419         * include/debug/set.h (std::__debug::set<>): Likewise.
 420         * include/debug/multiset.h (std::__debug::multiset<>): Likewise.
 421         * include/debug/string (std::__debug::basic_string<>): Likewise.
 422         * include/debug/unordered_map (std::__debug::unordered_map<>): Likewise
 423         and add ::__gnu_debug::_Safe_local_iterator<> friend declaration.
 424         (std::__debug::unordered_multimap<>): Likewise.
 425         * include/debug/unordered_set (std::__debug::unordered_set<>): Likewise.
 426         (std::__debug::unordered_multiset<>): Likewise.
 427         * include/debug/formatter.h: Adapt.
 428         * include/debug/helper_functions.h
 429         (__gnu_debug::_Safe_local_iterator<>): Add declaration.
 430         (__get_distance<_Ite>(_Ite, _Ite, std::random_access_iterator_tag):
 431         Pass parameter by copy.
 432         (__get_distance<_Ite>(_Ite, _Ite, std::input_iterator_tag): Likewise.
 433         (__get_distance<_Ite>(_Ite, _Ite): Likewise.
 434         (__valid_range_aux<_Integral>): Pass _Integral by copy.
 435         (__valid_range<_InputIterator>): Pass _InputIterator by copy.
 436         (__valid_range<>(const _Safe_iterator<>&,
 437         const _Safe_iterator<>&, typename _Distance_traits<>::__type&)):
 438         Declare.
 439         (__valid_range(const _Safe_local_iterator<>&,
 440         const _Safe_local_iterator<>&, typename _Distance_traits<>::__type&)):
 441         Declare.
 442         (__valid_range<>(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 443         Declare.
 444         (__valid_range(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&)):
 445         Declare.
 446         (__can_advance): Adapt.
 447         (struct __is_safe_random_iterator<>): Remove.
 448         (struct _SIter_base<>): Remove.
 449         * include/debug/functions.h: Include <bits/stl_iterator.h>.
 450         (__check_dereferenceable): Remove.
 451         (__foreign_iterator_aux4, __foreign_iterator_aux3): Adapt.
 452         (__foreign_iterator_aux2, __foreign_iterator_aux): Adapt.
 453         (__foreign_iterator): Adapt.
 454         * include/debug/stl_iterator.h
 455         (__is_safe_random_iterator<std::reverse_iterator<>>): Remove.
 456         (__base(const std::reverse_iterator<_Safe_iterator<_It, _Sq>)):
 457         Constraint for random access iterators.
 458         (__niter_base): Adapt.
 459         * testsuite/util/testsuite_containers.h:
 460         Include <bits/boost_concept_check.h>.
 461         (iterator_concept_checks<_It, _Mutable, _Category>): New.
 462         (citerator<_Cont>::forward_members::forward_members()): Instantiate
 463         latter for container iterator and const_iterator.
 464         * testsuite/23_containers/list/68222_neg.cc: New.
 465         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: Adapt
 466         line number.
 467         * testsuite/23_containers/unordered_set/debug/debug_functions.cc:
 468         (test01): Remove.
 469         * testsuite/23_containers/vector/debug/debug_functions.cc (test01):
 470         Remove.
 471
 472 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
 473
 474         PR libstdc++/77854
 475         * doc/xml/manual/status_cxx1998.xml: Document size_type and
 476         difference_type for containers.
 477         * doc/html/*: Regenerate.
 478
 479 2018-08-21  François Dumont  <fdumont@gcc.gnu.org>
 480
 481         P0646R1 Improving the Return Value of Erase-Like Algorithms I
 482         * include/debug/forward_list (forward_list::__remove_return_type):
 483         Define typedef as size_type or void, according to __cplusplus value.
 484         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
 485         empty, according to __cplusplus value.
 486         (_GLIBCXX20_ONLY): Define macro.
 487         (forward_list::remove, forward_list::unique): Use typedef and macro
 488         to change return type and add abi-tag for C++2a. Return number of
 489         removed elements for C++2a.
 490         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
 491         typedef to change return type for C++2a. Return number of removed
 492         elements for C++2a.
 493         * include/debug/list (list::__remove_return_type): Define typedef as
 494         size_type or void, according to __cplusplus value.
 495         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
 496         empty, according to __cplusplus value.
 497         (_GLIBCXX20_ONLY): Define macro.
 498         (list::remove, list::unique): Use typedef and macro to change return
 499         type and add abi-tag for C++2a. Return number of removed elements for
 500         C++2a.
 501         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use typedef
 502         to change return type for C++2a. Return number of removed elements for
 503         C++2a.
 504
 505 2018-08-21  David Edelsohn  <dje.gcc@gmail.com>
 506
 507         * testsuite/18_support/new_nothrow.cc: XFAIL on AIX.
 508
 509 2018-08-21  Jonathan Wakely  <jwakely@redhat.com>
 510
 511         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Remove
 512         redundant dg-do directive.
 513         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
 514         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
 515         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
 516         * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
 517
 518 2018-08-20  Jonathan Wakely  <jwakely@redhat.com>
 519
 520         PR libstdc++/86963
 521         * include/std/tuple (_Tuple_impl::operator=): Define as deleted.
 522         (_Tuple_impl::_M_assign): New functions to perform assignment instead
 523         of assignment operators.
 524         (_Tuple_impl::_M_swap): Remove exception specification.
 525         (_Tuple_impl<_Idx, _Head>): Likewise.
 526         (_TC::_NonNestedTuple, _TC::_NotSameTuple): Use __remove_cvref_t.
 527         (__tuple_base): Remove.
 528         (tuple, tuple<_T1, _T2>): Remove inheritance from __tuple_base.
 529         (tuple::operator=, tuple<_T1, _T2>::operator=): Call _M_assign.
 530         (tuple::swap, tuple<_T1, _T2>::swap): Define exception specification
 531         using __is_nothrow_swappable.
 532         (tuple<_T1, _T2>::tuple(_U1&&, _U2&&)): Use __remove_cvref_t.
 533
 534         * include/std/optional (_Optional_payload): Use variable templates
 535         for conditions in default template arguments and exception
 536         specifications.
 537         (optional): Likewise. Adjust indentation.
 538         (optional::__not_self, optional::__not_tag, optional::_Requires): New
 539         SFINAE helpers.
 540         (optional::optional): Use new helpers in constructor constraints.
 541         * include/std/type_traits (__or_v, __and_v): New variable templates.
 542         * testsuite/20_util/optional/cons/value_neg.cc: Change dg-error to
 543         dg-prune-output. Remove unused header.
 544
 545 2018-08-18  François Dumont  <fdumont@gcc.gnu.org>
 546
 547         * testsuite/25_algorithms/copy/86658.cc: Use dg-options to define
 548         _GLIBCXX_DEBUG.
 549
 550 2018-08-17  Jonathan Wakely  <jwakely@redhat.com>
 551
 552         PR libstdc++/86963
 553         * include/std/tuple (__tuple_base): New class template with deleted
 554         copy assignment operator.
 555         (tuple, tuple<_T1, _T2>): Derive from __tuple_base<tuple> so that
 556         implicit copy/move assignment operator will be deleted/suppressed.
 557         (tuple::__assignable, tuple<_T1, _T2>::__assignable): New helper
 558         functions for SFINAE constraints on assignment operators.
 559         (tuple::__nothrow_assignable, tuple<_T1, _T2>::__nothrow_assignable):
 560         New helper functions for exception specifications.
 561         (tuple::operator=(const tuple&), tuple::operator=(tuple&&))
 562         (tuple<_T1, _T2>::operator=(const tuple&))
 563         (tuple<_T1, _T2>::operator=(tuple&&)): Change parameter types to
 564         __nonesuch_no_braces when the operator should be defined implicitly.
 565         Use __nothrow_assignable for exception specifications.
 566         (tuple::operator=(const tuple<_UElements...>&))
 567         (tuple::operator=(tuple<_UElements...>&&))
 568         (tuple<_T1, _T2>::operator=(const tuple<_U1, _U2>&))
 569         (tuple<_T1, _T2>::operator=(tuple<_U1, _U2>&&))
 570         (tuple<_T1, _T2>::operator=(const pair<_U1, _U2>&))
 571         (tuple<_T1, _T2>::operator=(pair<_U1, _U2>&&)): Constrain using
 572         __assignable and use __nothrow_assignable for exception
 573         specifications.
 574         * python/libstdcxx/v6/printers.py (is_specialization_of): Accept
 575         gdb.Type as first argument, instead of a string.
 576         (StdTuplePrinter._iterator._is_nonempty_tuple): New method to check
 577         tuple for expected structure.
 578         (StdTuplePrinter._iterator.__init__): Use _is_nonempty_tuple.
 579         * testsuite/20_util/tuple/dr2729.cc: New test.
 580         * testsuite/20_util/tuple/element_access/get_neg.cc: Change dg-error
 581         to dg-prune-output.
 582
 583 2018-08-16  Jonathan Wakely  <jwakely@redhat.com>
 584
 585         * include/tr1/legendre_function.tcc (__sph_legendre): Avoid warning
 586         about signed/unsigned comparison.
 587
 588         * include/std/ostream (basic_ostream::sentry::~sentry): Suppress
 589         deprecation warnings for using uncaught_exception().
 590
 591         PR libstdc++/86447
 592         * src/c++11/cow-stdexcept.cc [_GLIBCXX_FULLY_DYNAMIC_STRING]
 593         (logic_error::logic_error(logic_error&&))
 594         (logic_error::operator=(logic_error&&))
 595         (runtime_error::runtime_error(runtime_error&&))
 596         (runtime_error::operator=(runtime_error&&)): Copy strings instead of
 597         moving, to avoid allocating empty reps for moved-from strings.
 598
 599 2018-08-15  Jonathan Wakely  <jwakely@redhat.com>
 600
 601         * include/experimental/regex: Remove begin/end macros for namespace.
 602         * include/experimental/string: Likewise.
 603         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc:
 604         New test.
 605         * testsuite/experimental/polymorphic_allocator/
 606         pmr_typedefs_forward_list.cc: New test.
 607         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc:
 608         New test.
 609         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc:
 610         New test.
 611         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
 612         New test.
 613         * testsuite/experimental/polymorphic_allocator/
 614         pmr_typedefs_multimap.cc: New test.
 615         * testsuite/experimental/polymorphic_allocator/
 616         pmr_typedefs_multiset.cc: New test.
 617         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc:
 618         New test.
 619         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
 620         New test.
 621         * testsuite/experimental/polymorphic_allocator/
 622         pmr_typedefs_unordered_map.cc: New test.
 623         * testsuite/experimental/polymorphic_allocator/
 624         pmr_typedefs_unordered_multimap.cc: New test.
 625         * testsuite/experimental/polymorphic_allocator/
 626         pmr_typedefs_unordered_multiset.cc: New test.
 627         * testsuite/experimental/polymorphic_allocator/
 628         pmr_typedefs_unordered_set.cc: New test.
 629         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc:
 630         New test.
 631
 632         * include/bits/uses_allocator.h (__uses_allocator_construct): Qualify
 633         calls to __uses_allocator_construct_impl and __use_alloc.
 634         * include/experimental/memory_resource
 635         (polymorphic_allocator::_M_construct): Remove.
 636         (polymorphic_allocator::construct): Call __uses_allocator_construct.
 637         Qualify calls to __use_alloc.
 638         * include/std/memory_resource (polymorphic_allocator::construct): Fix
 639         type in SFINAE constraint. Use constexpr if instead of tag dispatching
 640         to _S_construct overloads.
 641         (polymorphic_allocator::construct(pair<T1, T2>*, ...)): Fix order of
 642         arguments to _S_construct_p.
 643         (polymorphic_allocator::_S_construct): Remove.
 644         (polymorphic_allocator::_S_construct_p): Return allocators by value
 645         not by reference.
 646         * include/std/scoped_allocator (scoped_allocator_adaptor::construct):
 647         Qualify calls to __use_alloc.
 648         * testsuite/20_util/polymorphic_allocator/construct_pair.cc: New test,
 649         copied from testsuite/20_util/scoped_allocator/construct_pair.cc.
 650         * testsuite/experimental/polymorphic_allocator/1.cc: New test.
 651         * testsuite/experimental/polymorphic_allocator/construct_pair.cc:
 652         New test.
 653
 654         * src/c++17/memory_resource.cc [!_GLIBCXX_HAS_GTHREADS]
 655         (atomic_mem_res): Add unsynchronized definition for single-threaded.
 656
 657 2018-08-14  Jonathan Wakely  <jwakely@redhat.com>
 658
 659         PR libstdc++/86954
 660         * include/bits/stl_tempbuf.h (return_temporary_buffer): Use
 661         non-placement delete.
 662
 663         * include/std/chrono (__check_overflow): Simplify definition.
 664         (_Checked_integral_constant): Remove.
 665
 666         PR libstdc++/86846
 667         * src/c++17/default_resource.h: New file, defining default_res.
 668         * src/c++17/memory_resource.cc [ATOMIC_POINTER_LOCK_FREE != 2]
 669         (atomic_mem_res): Define alternative for atomic<memory_resource*>
 670         using a mutex instead of atomics.
 671
 672         PR libstdc++/85343
 673         * config/abi/pre/gnu.ver: Export new symbol.
 674         * doc/xml/manual/abi.xml: Document new versions.
 675         * include/bits/fstream.tcc (basic_filebuf<C, T>::underflow)
 676         (basic_filebuf<C, T>::xsgetn): Pass errno to __throw_ios_failure.
 677         * include/bits/functexcept.h (__throw_ios_failure(const char*, int)):
 678         Declare new overload.
 679         * src/c++11/cxx11-ios_failure.cc (__ios_failure): Add new constructor
 680         and static member function.
 681         (__throw_ios_failure(const char*, int)): Define.
 682         * src/c++98/ios_failure.cc [!_GLIBCXX_USE_DUAL_ABI]
 683         (__throw_ios_failure(const char*, int)): Define.
 684
 685 2018-08-14  Jeremy Sawicki  <jeremy-gcc@sawicki.us>
 686
 687         * include/ext/rope (_Rope_iterator_base(const _Rope_iterator_base&))
 688         (_Rope_const_iterator::operator=(const _Rope_const_iterator&))
 689         (_Rope_iterator::operator=(const _Rope_iterator&)): Ensure
 690         copied/assigned rope iterators don't retain pointers to the iterator
 691         they were copied/assigned from.
 692         * testsuite/ext/rope/7.cc: New.
 693
 694 2018-08-13  Jonathan Wakely  <jwakely@redhat.com>
 695
 696         PR libstdc++/45093
 697         * include/bits/stl_tree.h (_Rb_tree::_M_destroy_node(_Link_type)):
 698         Combine definitions to avoid --detect-odr-violations warning.
 699
 700         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Use
 701         __is_pow2 to check for valid alignment. Avoid branching when rounding
 702         size to multiple of alignment.
 703
 704         * include/Makefile.am: Install <bit> and <version> for freestanding.
 705         * include/Makefile.in: Regenerate.
 706         * testsuite/17_intro/freestanding.cc: Check for <bit> and <version>.
 707
 708         Revert
 709         2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 710
 711         PR target/85904
 712         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
 713         Newlib.
 714         * configure: Regenerate.
 715
 716 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
 717
 718         PR libstdc++/68210
 719         * doc/xml/manual/intro.xml: Document LWG 206 change.
 720         * libsupc++/del_op.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 721         * libsupc++/del_opa.cc: Likewise.
 722         * libsupc++/del_opant.cc: Likewise.
 723         * libsupc++/del_opnt.cc: Likewise. Call operator delete(ptr) instead
 724         of free(ptr).
 725         * libsupc++/del_ops.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 726         * libsupc++/del_opsa.cc: Likewise.
 727         * libsupc++/del_opva.cc: Likewise.
 728         * libsupc++/del_opvant.cc: Likewise.
 729         * libsupc++/del_opvnt.cc: Likewise. Call operator delete[](ptr)
 730         instead of operator delete(ptr).
 731         * libsupc++/del_opvs.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 732         * libsupc++/del_opvsa.cc: Likewise.
 733         * libsupc++/new_op.cc: Use __builtin_expect in check for zero size.
 734         * libsupc++/new_opa.cc: Use nullptr instead of literal 0.
 735         * libsupc++/new_opant.cc: Likewise. Replace _GLIBCXX_USE_NOEXCEPT
 736         with noexcept.
 737         * libsupc++/new_opnt.cc: Likewise. Call operator new(sz) instead of
 738         malloc(sz).
 739         * libsupc++/new_opvant.cc: Use nullptr and noexcept.
 740         * libsupc++/new_opvnt.cc: Likewise. Call operator new[](sz) instead of
 741         operator new(sz, nothrow).
 742         * testsuite/18_support/new_nothrow.cc: New test.
 743
 744 2018-08-10  Martin Liska  <mliska@suse.cz>
 745
 746         * libsupc++/new_op.cc (new): Remove __builtin_expect as malloc
 747         predictor can handle that.
 748         * libsupc++/new_opa.cc: Likewise.
 749         * libsupc++/new_opnt.cc (new): Likewise.
 750
 751 2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 752
 753         PR target/85904
 754         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
 755         Newlib.
 756         * configure: Regenerate.
 757
 758 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
 759
 760         * include/std/deque (std::pmr::deque): Declare alias.
 761         * include/std/forward_list (std::pmr::forward_list): Likewise.
 762         * include/std/list (std::pmr::list): Likewise.
 763         * include/std/map (std::pmr::map, std::pmr::multimap): Likewise.
 764         * include/std/regex (std::pmr::match_results, std::pmr::cmatch)
 765         (std::pmr::smatch, std::pmr::wcmatch, std::pmr::wsmatch): Likewise.
 766         * include/std/set (std::pmr::set, std::pmr::multiset): Likewise.
 767         * include/std/string (std::pmr::basic_string, std::pmr::string)
 768         (std::pmr::u16string, std::pmr::u32string, std::pmr::wstring):
 769         Likewise.
 770         * include/std/unordered_map (std::pmr::unordered_map)
 771         (std::pmr::unordered_multimap): Likewise.
 772         * include/std/unordered_set (std::pmr::unordered_set)
 773         (std::pmr::unordered_multiset): Likewise.
 774         * include/std/vector (std::pmr::vector): Likewise.
 775         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: New test.
 776         * testsuite/23_containers/deque/types/pmr_typedefs.cc: New test.
 777         * testsuite/23_containers/forward_list/pmr_typedefs.cc: New test.
 778         * testsuite/23_containers/list/pmr_typedefs.cc: New test.
 779         * testsuite/23_containers/map/pmr_typedefs.cc: New test.
 780         * testsuite/23_containers/multimap/pmr_typedefs.cc: New test.
 781         * testsuite/23_containers/multiset/pmr_typedefs.cc: New test.
 782         * testsuite/23_containers/set/pmr_typedefs.cc: New test.
 783         * testsuite/23_containers/unordered_map/pmr_typedefs.cc: New test.
 784         * testsuite/23_containers/unordered_multimap/pmr_typedefs.cc: New
 785         test.
 786         * testsuite/23_containers/unordered_multiset/pmr_typedefs.cc: New
 787         test.
 788         * testsuite/23_containers/unordered_set/pmr_typedefs.cc: New test.
 789         * testsuite/23_containers/vector/pmr_typedefs.cc: New test.
 790         * testsuite/28_regex/match_results/pmr_typedefs.cc: New test.
 791
 792 2018-08-08  François Dumont  <fdumont@gcc.gnu.org>
 793
 794         * include/bits/stl_algo.h
 795         (__rotate(_Ite, _Ite, _Ite, forward_iterator_tag))
 796         (__rotate(_Ite, _Ite, _Ite, bidirectional_iterator_tag))
 797         (__rotate(_Ite, _Ite, _Ite, random_access_iterator_tag)): Move code
 798         duplication...
 799         (rotate(_Ite, _Ite, _Ite)): ...here.
 800         (__stable_partition_adaptive(_FIt, _FIt, _Pred, _Dist, _Pointer, _Dist)):
 801         Simplify rotate call.
 802         (__rotate_adaptive(_BIt1, _BIt1, _BIt1, _Dist, _Dist, _Bit2, _Dist)):
 803         Likewise.
 804         (__merge_without_buffer(_BIt, _BIt, _BIt, _Dist, _Dist, _Comp)):
 805         Likewise.
 806
 807 2018-08-08  Jonathan Wakely  <jwakely@redhat.com>
 808
 809         * libsupc++/new_opa.cc (aligned_alloc): Declare inside namespace to
 810         avoid clashing with an ::aligned_alloc function that was not detected
 811         by configure.
 812
 813         * doc/xml/manual/using.xml: Fix markup for empty table entry.
 814         * doc/html/*: Regenerate.
 815
 816         * doc/xml/manual/using.xml: Add missing header to table and fix typo.
 817         * doc/html/*: Regenerate.
 818
 819         PR libstdc++/86597
 820         * include/bits/fs_dir.h (directory_entry::_M_file_type(error_code&)):
 821         Clear error_code when cached type is used.
 822         * testsuite/27_io/filesystem/directory_entry/86597.cc: New test.
 823
 824 2018-08-07  Jonathan Wakely  <jwakely@redhat.com>
 825
 826         PR libstdc++/86874
 827         * include/std/variant (_Copy_ctor_base::_M_destructive_move): Define
 828         here instead of in _Move_assign_base.
 829         (_Copy_ctor_base<true, _Types...>::_M_destructive_move): Define.
 830         (_Copy_assign_base::operator=): Use _M_destructive_move when changing
 831         the contained value to another alternative.
 832         (_Move_assign_base::operator=): Likewise.
 833         (_Move_assign_base::_M_destructive_move): Remove.
 834         * testsuite/20_util/variant/86874.cc: New test.
 835
 836         PR libstdc++/86861
 837         * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] (aligned_alloc):
 838         Replace macro with inline function.
 839         [__sun]: Increase alignment to meet memalign precondition.
 840         [!HAVE__ALIGNED_MALLOC && !HAVE_POSIX_MEMALIGN && !HAVE_MEMALIGN]
 841         (aligned_alloc): Move check for valid alignment to operator new.
 842         Remove redundant check for non-zero size, it's enforced by the caller.
 843         (operator new): Move check for valid alignment here. Use
 844         __builtin_expect on check for zero size.
 845
 846         * config/abi/pre/gnu.ver: Export monotonic_buffer_resource members.
 847         * include/std/memory_resource (monotonic_buffer_resource::release):
 848         Call _M_release_buffers to free buffers.
 849         (monotonic_buffer_resource::do_allocate): Call _M_new_buffer to
 850         allocate a new buffer from upstream.
 851         (monotonic_buffer_resource::_M_new_buffer): Declare.
 852         (monotonic_buffer_resource::_M_release_buffers): Declare.
 853         (monotonic_buffer_resource::_Chunk): Replace definition with
 854         declaration as opaque type.
 855         * src/c++17/memory_resource.cc (monotonic_buffer_resource::_Chunk):
 856         Define.
 857         (monotonic_buffer_resource::_M_new_buffer): Define.
 858         (monotonic_buffer_resource::_M_release_buffers): Define.
 859
 860 2018-08-05  François Dumont  <fdumont@gcc.gnu.org>
 861
 862         * include/bits/stl_iterator.h: Fix comment.
 863
 864 2018-08-03  Jonathan Wakely  <jwakely@redhat.com>
 865
 866         * src/c++11/system_error.cc
 867         (system_error_category::default_error_condition): Add workaround for
 868         ENOTEMPTY and EEXIST having the same value on AIX.
 869         * testsuite/19_diagnostics/error_category/system_category.cc: Add
 870         extra testcases for EDOM, EILSEQ, ERANGE, EEXIST and ENOTEMPTY.
 871
 872 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
 873
 874         * configure: Regenerate.
 875         * configure.ac: Add -D_GLIBCXX_ASSERTIONS to default DEBUG_FLAGS.
 876         * src/c++11/futex.cc: Use __glibcxx_assert instead of
 877         _GLIBCXX_DEBUG_ASSERT.
 878
 879 2018-08-01  Mike Crowe  <mac@mcrowe.com>
 880
 881         * include/std/condition_variable (wait_for): Use steady_clock.
 882
 883 2018-08-01  Mike Crowe  <mac@mcrowe.com>
 884
 885         * include/std/condition_variable (wait_until): Only report timeout
 886         if we really have timed out when measured against the
 887         caller-supplied clock.
 888         * testsuite/30_threads/condition_variable/members/2.cc: Add test
 889         case to confirm above behaviour.
 890
 891 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
 892
 893         PR libstdc++/60555
 894         * src/c++11/system_error.cc
 895         (system_error_category::default_error_condition): New override to
 896         check for POSIX errno values.
 897         * testsuite/19_diagnostics/error_category/generic_category.cc: New
 898         * testsuite/19_diagnostics/error_category/system_category.cc: New
 899         test.
 900
 901 2018-07-31  Jonathan Wakely  <jwakely@redhat.com>
 902
 903         PR libstdc++/86751
 904         * include/bits/stl_pair.h (__pair_base): New class with deleted copy
 905         assignment operator.
 906         (pair): Derive from __pair_base.
 907         (pair::operator=): Remove deleted overload.
 908         * python/libstdcxx/v6/printers.py (StdPairPrinter): New pretty printer
 909         so that new base class isn't shown in GDB.
 910         * testsuite/20_util/pair/86751.cc: New test.
 911         * testsuite/20_util/pair/ref_assign.cc: New test.
 912
 913         * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
 914         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Move definitions here.
 915         (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Likewise. Use !__is_identifier
 916         instead of __has_builtin.
 917         * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
 918         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Remove definitions from here.
 919         * include/std/version [!_GLIBCXX_HAS_GTHREADS]
 920         (__cpp_lib_shared_timed_mutex, __cpp_lib_scoped_lock)
 921         (__cpp_lib_shared_mutex): Don't define when Gthreads not in use.
 922         [!_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP]
 923         (__cpp_lib_has_unique_object_representations): Don't define when
 924         builtin not available.
 925         [!_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE] (__cpp_lib_is_aggregate):
 926         Likewise.
 927         [!_GLIBCXX_HAVE_BUILTIN_LAUNDER] (__cpp_lib_launder): Likewise.
 928         * libsupc++/new (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Remove definition
 929         from here.
 930
 931         * doc/xml/manual/test.xml: Improve documentation on writing tests for
 932         newer standards.
 933         * doc/xml/manual/using.xml: Document all headers for C++11 and later.
 934         * doc/html/*: Regenerate.
 935
 936         * include/ext/pointer.h [__cplusplus >= 201103L]
 937         (_Pointer_adapter::operator bool): Add explicit conversion operator
 938         to replace safe bool idiom.
 939
 940 2018-07-30  Jonathan Wakely  <jwakely@redhat.com>
 941
 942         PR libstdc++/86734
 943         * include/bits/stl_iterator.h (reverse_iterator::operator->): Call
 944         _S_to_pointer (LWG 1052, LWG 2118).
 945         (reverse_iterator::_S_to_pointer): Define overloaded helper functions.
 946         * testsuite/24_iterators/reverse_iterator/dr1052.cc: New test.
 947         * testsuite/24_iterators/reverse_iterator/dr2188.cc: New test.
 948
 949         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Add
 950         workaround for aligned_alloc bug on AIX.
 951         * testsuite/18_support/new_aligned.cc: New test.
 952
 953 2018-07-26  Marek Polacek  <polacek@redhat.com>
 954
 955         * testsuite/30_threads/condition_variable_any/cond.cc: New.
 956
 957 2018-07-26  Marek Polacek  <polacek@redhat.com>
 958
 959         * src/c++98/locale_init.cc: Fix #ifdef condition.
 960
 961 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
 962
 963         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: Add
 964         dg-require-cstdint directive.
 965         * testsuite/20_util/allocator/overaligned.cc: Likewise.
 966         * testsuite/20_util/any/cons/aligned.cc: Likewise.
 967         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: Likewise.
 968         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: Likewise.
 969         * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
 970         Likewise.
 971         * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
 972         * testsuite/23_containers/list/modifiers/insert/25288.cc: Likewise.
 973         * testsuite/23_containers/set/allocator/move_assign.cc: Likewise.
 974         * testsuite/25_algorithms/make_heap/complexity.cc: Likewise.
 975         * testsuite/25_algorithms/pop_heap/complexity.cc: Require cstdint and
 976         random_device effective-target.
 977         * testsuite/25_algorithms/push_heap/complexity.cc: Likewise.
 978         * testsuite/25_algorithms/sample/1.cc: Require cstdint.
 979         * testsuite/25_algorithms/sample/2.cc: Likewise.
 980         * testsuite/25_algorithms/sort_heap/complexity.cc: Require cstdint
 981         and random_device.
 982         * testsuite/26_numerics/headers/random/types_std_c++0x.cc: Require
 983         cstdint.
 984         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
 985         Likewise.
 986         * testsuite/26_numerics/random/discard_block_engine/requirements/
 987         constexpr_data.cc: Likewise.
 988         * testsuite/26_numerics/random/discard_block_engine/requirements/
 989         constexpr_functions.cc: Likewise.
 990         * testsuite/26_numerics/random/independent_bits_engine/requirements/
 991         constexpr_functions.cc: Likewise.
 992         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
 993         constexpr_data.cc: Likewise.
 994         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
 995         constexpr_functions.cc: Likewise.
 996         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
 997         constexpr_data.cc: Likewise.
 998         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
 999         constexpr_functions.cc: Likewise.
1000         * testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
1001         * testsuite/26_numerics/random/seed_seq/cons/65631.cc: Likewise.
1002         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
1003         constexpr_data.cc: Add dg-require-cstdint directive.
1004         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
1005         constexpr_functions.cc: Likewise.
1006         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
1007         constexpr_data.cc: Likewise.
1008         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
1009         constexpr_functions.cc: Likewise.
1010         * testsuite/26_numerics/random/uniform_real_distribution/operators/
1011         64351.cc: Likewise.
1012         * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc: Likewise.
1013         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
1014         * testsuite/experimental/algorithm/sample.cc: Likewise.
1015         * testsuite/experimental/algorithm/search.cc: Likewise.
1016         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
1017         * testsuite/experimental/any/cons/aligned.cc: Likewise.
1018         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1019         Likewise.
1020         * testsuite/experimental/memory_resource/resource_adaptor.cc: Likewise.
1021         * testsuite/experimental/random/randint.cc: Likewise.
1022         * testsuite/experimental/source_location/1.cc: Likewise.
1023         * testsuite/ext/bitmap_allocator/overaligned.cc: Likewise.
1024         * testsuite/ext/malloc_allocator/overaligned.cc: Likewise.
1025         * testsuite/ext/mt_allocator/overaligned.cc: Likewise.
1026         * testsuite/ext/new_allocator/overaligned.cc: Likewise.
1027         * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
1028         * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
1029         * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
1030         * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
1031         * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
1032         * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
1033         * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
1034         * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
1035         * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
1036         * testsuite/ext/pool_allocator/overaligned.cc: Likewise.
1037         * testsuite/ext/throw_allocator/check_allocate_max_size.cc: Likewise.
1038         * testsuite/ext/throw_allocator/check_deallocate_null.cc: Likewise.
1039         * testsuite/ext/throw_allocator/check_delete.cc: Likewise.
1040         * testsuite/ext/throw_allocator/check_new.cc: Likewise.
1041         * testsuite/ext/throw_allocator/deallocate_global.cc: Likewise.
1042         * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
1043         * testsuite/ext/throw_allocator/explicit_instantiation.cc: Likewise.
1044         * testsuite/ext/throw_allocator/variadic_construct.cc: Likewise.
1045         * testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Likewise.
1046
1047         * testsuite/30_threads/recursive_mutex/cons/1.cc: Likewise.
1048         * testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise.
1049         * testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise.
1050         * testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc:
1051         Likewise.
1052         * testsuite/30_threads/recursive_mutex/lock/1.cc: Likewise.
1053         * testsuite/30_threads/recursive_mutex/native_handle/1.cc: Likewise.
1054         * testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc:
1055         Likewise.
1056         * testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc:
1057         Likewise.
1058         * testsuite/30_threads/recursive_mutex/requirements/typedefs.cc:
1059         Likewise.
1060         * testsuite/30_threads/recursive_mutex/try_lock/1.cc: Likewise.
1061         * testsuite/30_threads/recursive_mutex/try_lock/2.cc: Likewise.
1062         * testsuite/30_threads/recursive_mutex/unlock/1.cc: Likewise.
1063         * testsuite/30_threads/recursive_mutex/unlock/2.cc: Likewise.
1064         * testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Likewise.
1065         * testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
1066         Likewise.
1067         * testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
1068         Likewise.
1069         * testsuite/30_threads/recursive_timed_mutex/dest/
1070         destructor_locked.cc: Likewise.
1071         * testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
1072         * testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
1073         * testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc:
1074         Likewise.
1075         * testsuite/30_threads/recursive_timed_mutex/native_handle/
1076         typesizes.cc: Likewise.
1077         * testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc:
1078         Likewise.
1079         * testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc:
1080         Likewise.
1081         * testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc:
1082         Likewise.
1083         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
1084         Likewise.
1085         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
1086         Likewise.
1087         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
1088         Likewise.
1089         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
1090         Likewise.
1091         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
1092         Likewise.
1093         * testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
1094         * testsuite/30_threads/recursive_timed_mutex/unlock/2.cc: Likewise.
1095         * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
1096         * testsuite/30_threads/scoped_lock/requirements/
1097         explicit_instantiation.cc: Likewise.
1098         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
1099         * testsuite/30_threads/shared_future/cons/assign.cc: Likewise.
1100         * testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise.
1101         * testsuite/30_threads/shared_future/cons/copy.cc: Likewise.
1102         * testsuite/30_threads/shared_future/cons/default.cc: Likewise.
1103         * testsuite/30_threads/shared_future/cons/move.cc: Likewise.
1104         * testsuite/30_threads/shared_future/cons/move_assign.cc: Likewise.
1105         * testsuite/30_threads/shared_future/members/45133.cc: Likewise.
1106         * testsuite/30_threads/shared_future/members/get.cc: Likewise.
1107         * testsuite/30_threads/shared_future/members/get2.cc: Likewise.
1108         * testsuite/30_threads/shared_future/members/valid.cc: Likewise.
1109         * testsuite/30_threads/shared_future/members/wait.cc: Likewise.
1110         * testsuite/30_threads/shared_future/members/wait_for.cc: Likewise.
1111         * testsuite/30_threads/shared_future/members/wait_until.cc: Likewise.
1112         * testsuite/30_threads/shared_future/requirements/
1113         explicit_instantiation.cc: Likewise.
1114         * testsuite/30_threads/shared_lock/cons/1.cc: Likewise.
1115         * testsuite/30_threads/shared_lock/cons/2.cc: Likewise.
1116         * testsuite/30_threads/shared_lock/cons/3.cc: Likewise.
1117         * testsuite/30_threads/shared_lock/cons/4.cc: Likewise.
1118         * testsuite/30_threads/shared_lock/cons/5.cc: Likewise.
1119         * testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
1120         * testsuite/30_threads/shared_lock/locking/1.cc: Likewise.
1121         * testsuite/30_threads/shared_lock/locking/2.cc: Likewise.
1122         * testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
1123         * testsuite/30_threads/shared_lock/locking/4.cc: Likewise.
1124         * testsuite/30_threads/shared_lock/modifiers/1.cc: Likewise.
1125         * testsuite/30_threads/shared_lock/requirements/
1126         explicit_instantiation.cc: Likewise.
1127         * testsuite/30_threads/shared_lock/requirements/typedefs.cc: Likewise.
1128         * testsuite/30_threads/shared_mutex/cons/1.cc: Likewise.
1129         * testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Likewise.
1130         * testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Likewise.
1131         * testsuite/30_threads/shared_mutex/requirements/standard_layout.cc:
1132         Likewise.
1133         * testsuite/30_threads/shared_mutex/try_lock/1.cc: Likewise.
1134         * testsuite/30_threads/shared_mutex/try_lock/2.cc: Likewise.
1135         * testsuite/30_threads/shared_mutex/unlock/1.cc: Likewise.
1136         * testsuite/30_threads/shared_timed_mutex/cons/1.cc: Likewise.
1137         * testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc: Likewise.
1138         * testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc: Likewise.
1139         * testsuite/30_threads/shared_timed_mutex/requirements/
1140         standard_layout.cc: Likewise.
1141         * testsuite/30_threads/shared_timed_mutex/try_lock/1.cc: Likewise.
1142         * testsuite/30_threads/shared_timed_mutex/try_lock/2.cc: Likewise.
1143         * testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: Likewise.
1144         * testsuite/30_threads/shared_timed_mutex/unlock/1.cc: Likewise.
1145         * testsuite/30_threads/this_thread/1.cc: Likewise.
1146         * testsuite/30_threads/this_thread/2.cc: Likewise.
1147         * testsuite/30_threads/this_thread/3.cc: Likewise.
1148         * testsuite/30_threads/this_thread/4.cc: Likewise.
1149         * testsuite/30_threads/this_thread/58038.cc: Likewise.
1150         * testsuite/30_threads/thread/70503.cc: Likewise.
1151         * testsuite/30_threads/thread/84532.cc: Likewise.
1152         * testsuite/30_threads/thread/adl.cc: Likewise.
1153         * testsuite/30_threads/thread/cons/1.cc: Likewise.
1154         * testsuite/30_threads/thread/cons/2.cc: Likewise.
1155         * testsuite/30_threads/thread/cons/3.cc: Likewise.
1156         * testsuite/30_threads/thread/cons/4.cc: Likewise.
1157         * testsuite/30_threads/thread/cons/49668.cc: Likewise.
1158         * testsuite/30_threads/thread/cons/5.cc: Likewise.
1159         * testsuite/30_threads/thread/cons/6.cc: Likewise.
1160         * testsuite/30_threads/thread/cons/7.cc: Likewise.
1161         * testsuite/30_threads/thread/cons/8.cc: Likewise.
1162         * testsuite/30_threads/thread/cons/84535.cc: Likewise.
1163         * testsuite/30_threads/thread/cons/9.cc: Likewise.
1164         * testsuite/30_threads/thread/cons/assign_neg.cc: Likewise.
1165         * testsuite/30_threads/thread/cons/copy_neg.cc: Likewise.
1166         * testsuite/30_threads/thread/cons/lwg2097.cc: Likewise.
1167         * testsuite/30_threads/thread/cons/moveable.cc: Likewise.
1168         * testsuite/30_threads/thread/cons/terminate.cc: Likewise.
1169         * testsuite/30_threads/thread/id/operators.cc: Likewise.
1170         * testsuite/30_threads/thread/members/1.cc: Likewise.
1171         * testsuite/30_threads/thread/members/2.cc: Likewise.
1172         * testsuite/30_threads/thread/members/3.cc: Likewise.
1173         * testsuite/30_threads/thread/members/4.cc: Likewise.
1174         * testsuite/30_threads/thread/members/5.cc: Likewise.
1175         * testsuite/30_threads/thread/members/hardware_concurrency.cc:
1176         Likewise.
1177         * testsuite/30_threads/thread/native_handle/cancel.cc: Likewise.
1178         * testsuite/30_threads/thread/swap/1.cc: Likewise.
1179         * testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
1180         * testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
1181         * testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
1182         * testsuite/30_threads/timed_mutex/dest/destructor_locked.cc: Likewise.
1183         * testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
1184         * testsuite/30_threads/timed_mutex/native_handle/1.cc: Likewise.
1185         * testsuite/30_threads/timed_mutex/native_handle/typesizes.cc:
1186         Likewise.
1187         * testsuite/30_threads/timed_mutex/requirements/
1188         standard_layout.cc: Likewise.
1189         * testsuite/30_threads/timed_mutex/requirements/typedefs.cc: Likewise.
1190         * testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
1191         * testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
1192         * testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
1193         * testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
1194         * testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
1195         * testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
1196         * testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
1197         * testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise.
1198         * testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
1199         * testsuite/30_threads/timed_mutex/unlock/2.cc: Likewise.
1200         * testsuite/30_threads/try_lock/1.cc: Likewise.
1201         * testsuite/30_threads/try_lock/2.cc: Likewise.
1202         * testsuite/30_threads/try_lock/3.cc: Likewise.
1203         * testsuite/30_threads/try_lock/4.cc: Likewise.
1204         * testsuite/30_threads/unique_lock/cons/1.cc: Likewise.
1205         * testsuite/30_threads/unique_lock/cons/2.cc: Likewise.
1206         * testsuite/30_threads/unique_lock/cons/3.cc: Likewise.
1207         * testsuite/30_threads/unique_lock/cons/4.cc: Likewise.
1208         * testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
1209         * testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
1210         * testsuite/30_threads/unique_lock/locking/1.cc: Likewise.
1211         * testsuite/30_threads/unique_lock/locking/2.cc: Likewise.
1212         * testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
1213         * testsuite/30_threads/unique_lock/locking/4.cc: Likewise.
1214         * testsuite/30_threads/unique_lock/modifiers/1.cc: Likewise.
1215         * testsuite/30_threads/unique_lock/requirements/
1216         explicit_instantiation.cc: Likewise.
1217         * testsuite/30_threads/unique_lock/requirements/typedefs.cc: Likewise.
1218
1219         * testsuite/30_threads/async/42819.cc: Remove dg-require-cstdint
1220         directive.
1221         * testsuite/30_threads/async/49668.cc: Likewise.
1222         * testsuite/30_threads/async/54297.cc: Likewise.
1223         * testsuite/30_threads/async/84532.cc: Likewise.
1224         * testsuite/30_threads/async/any.cc: Likewise.
1225         * testsuite/30_threads/async/async.cc: Likewise.
1226         * testsuite/30_threads/async/except.cc: Likewise.
1227         * testsuite/30_threads/async/forced_unwind.cc: Likewise.
1228         * testsuite/30_threads/async/launch.cc: Likewise.
1229         * testsuite/30_threads/async/lwg2021.cc: Likewise.
1230         * testsuite/30_threads/async/sync.cc: Likewise.
1231         * testsuite/30_threads/call_once/39909.cc: Likewise.
1232         * testsuite/30_threads/call_once/49668.cc: Likewise.
1233         * testsuite/30_threads/call_once/60497.cc: Likewise.
1234         * testsuite/30_threads/call_once/call_once1.cc: Likewise.
1235         * testsuite/30_threads/call_once/constexpr.cc: Likewise.
1236         * testsuite/30_threads/call_once/dr2442.cc: Likewise.
1237         * testsuite/30_threads/call_once/once_flag.cc: Likewise.
1238         * testsuite/30_threads/condition_variable/54185.cc: Likewise.
1239         * testsuite/30_threads/condition_variable/cons/1.cc: Likewise.
1240         * testsuite/30_threads/condition_variable/cons/assign_neg.cc:
1241         Likewise.
1242         * testsuite/30_threads/condition_variable/cons/copy_neg.cc: Likewise.
1243         * testsuite/30_threads/condition_variable/members/1.cc: Likewise.
1244         * testsuite/30_threads/condition_variable/members/2.cc: Likewise.
1245         * testsuite/30_threads/condition_variable/members/3.cc: Likewise.
1246         * testsuite/30_threads/condition_variable/members/53841.cc: Likewise.
1247         * testsuite/30_threads/condition_variable/members/68519.cc: Likewise.
1248         * testsuite/30_threads/condition_variable/native_handle/typesizes.cc:
1249         Likewise.
1250         * testsuite/30_threads/condition_variable/requirements/
1251         standard_layout.cc: Likewise.
1252         * testsuite/30_threads/condition_variable/requirements/typedefs.cc:
1253         * Likewise.
1254         * testsuite/30_threads/condition_variable_any/50862.cc: Likewise.
1255         * testsuite/30_threads/condition_variable_any/53830.cc: Likewise.
1256         * testsuite/30_threads/condition_variable_any/cons/1.cc: Likewise.
1257         * testsuite/30_threads/condition_variable_any/cons/assign_neg.cc:
1258         Likewise.
1259         * testsuite/30_threads/condition_variable_any/cons/copy_neg.cc:
1260         Likewise.
1261         * testsuite/30_threads/condition_variable_any/members/1.cc: Likewise.
1262         * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
1263         * testsuite/30_threads/future/cons/assign_neg.cc: Likewise.
1264         * testsuite/30_threads/future/cons/constexpr.cc: Likewise.
1265         * testsuite/30_threads/future/cons/copy_neg.cc: Likewise.
1266         * testsuite/30_threads/future/cons/default.cc: Likewise.
1267         * testsuite/30_threads/future/cons/move.cc: Likewise.
1268         * testsuite/30_threads/future/cons/move_assign.cc: Likewise.
1269         * testsuite/30_threads/future/members/45133.cc: Likewise.
1270         * testsuite/30_threads/future/members/get.cc: Likewise.
1271         * testsuite/30_threads/future/members/get2.cc: Likewise.
1272         * testsuite/30_threads/future/members/share.cc: Likewise.
1273         * testsuite/30_threads/future/members/valid.cc: Likewise.
1274         * testsuite/30_threads/future/members/wait.cc: Likewise.
1275         * testsuite/30_threads/future/members/wait_for.cc: Likewise.
1276         * testsuite/30_threads/future/members/wait_until.cc: Likewise.
1277         * testsuite/30_threads/future/requirements/explicit_instantiation.cc:
1278         Likewise.
1279         * testsuite/30_threads/headers/condition_variable/types_std_c++0x.cc:
1280         Likewise.
1281         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
1282         * testsuite/30_threads/headers/mutex/types_std_c++0x.cc: Likewise.
1283         * testsuite/30_threads/headers/thread/std_c++0x_neg.cc: Likewise.
1284         * testsuite/30_threads/headers/thread/types_std_c++0x.cc: Likewise.
1285         * testsuite/30_threads/lock/1.cc: Likewise.
1286         * testsuite/30_threads/lock/2.cc: Likewise.
1287         * testsuite/30_threads/lock/3.cc: Likewise.
1288         * testsuite/30_threads/lock/4.cc: Likewise.
1289         * testsuite/30_threads/lock_guard/cons/1.cc: Likewise.
1290         * testsuite/30_threads/lock_guard/requirements/
1291         explicit_instantiation.cc: Likewise.
1292         * testsuite/30_threads/lock_guard/requirements/typedefs.cc: Likewise.
1293         * testsuite/30_threads/mutex/cons/1.cc: Likewise.
1294         * testsuite/30_threads/mutex/cons/assign_neg.cc: Likewise.
1295         * testsuite/30_threads/mutex/cons/constexpr.cc: Likewise.
1296         * testsuite/30_threads/mutex/cons/copy_neg.cc: Likewise.
1297         * testsuite/30_threads/mutex/dest/destructor_locked.cc: Likewise.
1298         * testsuite/30_threads/mutex/lock/1.cc: Likewise.
1299         * testsuite/30_threads/mutex/native_handle/1.cc: Likewise.
1300         * testsuite/30_threads/mutex/native_handle/typesizes.cc: Likewise.
1301         * testsuite/30_threads/mutex/requirements/standard_layout.cc::
1302         Likewise.
1303         * testsuite/30_threads/mutex/requirements/typedefs.cc: Likewise.
1304         * testsuite/30_threads/mutex/try_lock/1.cc: Likewise.
1305         * testsuite/30_threads/mutex/try_lock/2.cc: Likewise.
1306         * testsuite/30_threads/mutex/unlock/1.cc: Likewise.
1307         * testsuite/30_threads/mutex/unlock/2.cc: Likewise.
1308         * testsuite/30_threads/once_flag/cons/constexpr.cc: Likewise.
1309         * testsuite/30_threads/packaged_task/49668.cc: Likewise.
1310         * testsuite/30_threads/packaged_task/60564.cc: Likewise.
1311         * testsuite/30_threads/packaged_task/cons/1.cc: Likewise.
1312         * testsuite/30_threads/packaged_task/cons/2.cc: Likewise.
1313         * testsuite/30_threads/packaged_task/cons/3.cc: Likewise.
1314         * testsuite/30_threads/packaged_task/cons/56492.cc: Likewise.
1315         * testsuite/30_threads/packaged_task/cons/alloc.cc: Likewise.
1316         * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
1317         * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
1318         * testsuite/30_threads/packaged_task/cons/assign_neg.cc: Likewise.
1319         * testsuite/30_threads/packaged_task/cons/copy_neg.cc: Likewise.
1320         * testsuite/30_threads/packaged_task/cons/move.cc: Likewise.
1321         * testsuite/30_threads/packaged_task/cons/move_assign.cc: Likewise.
1322         * testsuite/30_threads/packaged_task/members/at_thread_exit.cc:
1323         Likewise.
1324         * testsuite/30_threads/packaged_task/members/get_future.cc: Likewise.
1325         * testsuite/30_threads/packaged_task/members/get_future2.cc: Likewise.
1326         * testsuite/30_threads/packaged_task/members/invoke.cc: Likewise.
1327         * testsuite/30_threads/packaged_task/members/invoke2.cc: Likewise.
1328         * testsuite/30_threads/packaged_task/members/invoke3.cc: Likewise.
1329         * testsuite/30_threads/packaged_task/members/invoke4.cc: Likewise.
1330         * testsuite/30_threads/packaged_task/members/invoke5.cc: Likewise.
1331         * testsuite/30_threads/packaged_task/members/reset.cc: Likewise.
1332         * testsuite/30_threads/packaged_task/members/reset2.cc: Likewise.
1333         * testsuite/30_threads/packaged_task/members/swap.cc: Likewise.
1334         * testsuite/30_threads/packaged_task/members/valid.cc: Likewise.
1335         * testsuite/30_threads/packaged_task/requirements/
1336         explicit_instantiation.cc: Likewise.
1337         * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
1338         * testsuite/30_threads/promise/60966.cc: Likewise.
1339         * testsuite/30_threads/promise/69106.cc: Likewise.
1340         * testsuite/30_threads/promise/cons/1.cc: Likewise.
1341         * testsuite/30_threads/promise/cons/alloc.cc: Likewise.
1342         * testsuite/30_threads/promise/cons/alloc2.cc: Likewise.
1343         * testsuite/30_threads/promise/cons/alloc_min.cc: Likewise.
1344         * testsuite/30_threads/promise/cons/assign_neg.cc: Likewise.
1345         * testsuite/30_threads/promise/cons/copy_neg.cc: Likewise.
1346         * testsuite/30_threads/promise/cons/move.cc: Likewise.
1347         * testsuite/30_threads/promise/cons/move_assign.cc: Likewise.
1348         * testsuite/30_threads/promise/members/at_thread_exit.cc: Likewise.
1349         * testsuite/30_threads/promise/members/at_thread_exit2.cc: Likewise.
1350         * testsuite/30_threads/promise/members/get_future.cc: Likewise.
1351         * testsuite/30_threads/promise/members/get_future2.cc: Likewise.
1352         * testsuite/30_threads/promise/members/set_exception.cc: Likewise.
1353         * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
1354         * testsuite/30_threads/promise/members/set_value.cc: Likewise.
1355         * testsuite/30_threads/promise/members/set_value2.cc: Likewise.
1356         * testsuite/30_threads/promise/members/set_value3.cc: Likewise.
1357         * testsuite/30_threads/promise/members/swap.cc: Likewise.
1358         * testsuite/30_threads/promise/requirements/explicit_instantiation.cc:
1359         * Likewise.
1360         * testsuite/30_threads/promise/uses_allocator.cc: Likewise.
1361
1362         * testsuite/18_support/numeric_limits/char16_32_t.cc: Qualify names
1363         from namespace std.
1364         * testsuite/20_util/align/2.cc: Remove dg-require-cstdint directive.
1365         * testsuite/20_util/duration/arithmetic/1.cc: Likewise.
1366         * testsuite/20_util/duration/arithmetic/2.cc: Likewise.
1367         * testsuite/20_util/duration/arithmetic/dr2020.cc: Likewise.
1368         * testsuite/20_util/duration/arithmetic/dr934-1.cc: Likewise.
1369         * testsuite/20_util/duration/arithmetic/dr934-2.cc: Likewise.
1370         * testsuite/20_util/duration/comparison_operators/1.cc: Likewise.
1371         * testsuite/20_util/duration/cons/1.cc: Likewise.
1372         * testsuite/20_util/duration/cons/1_neg.cc: Likewise.
1373         * testsuite/20_util/duration/cons/2.cc: Likewise.
1374         * testsuite/20_util/duration/cons/54025.cc: Likewise.
1375         * testsuite/20_util/duration/cons/dr974_neg.cc: Likewise.
1376         * testsuite/20_util/duration/requirements/explicit_instantiation/
1377         explicit_instantiation.cc: Likewise.
1378         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1379         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1380         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1381         * testsuite/20_util/make_signed/requirements/typedefs-4.cc: Likewise.
1382         * testsuite/20_util/ratio/comparisons/comp1.cc: Likewise.
1383         * testsuite/20_util/ratio/comparisons/comp2.cc: Likewise.
1384         * testsuite/20_util/ratio/comparisons/comp3.cc: Likewise.
1385         * testsuite/20_util/ratio/cons/cons1.cc: Likewise.
1386         * testsuite/20_util/ratio/operations/45866.cc: Likewise.
1387         * testsuite/20_util/ratio/operations/47913.cc: Likewise.
1388         * testsuite/20_util/ratio/operations/53840.cc: Likewise.
1389         * testsuite/20_util/ratio/operations/ops1.cc: Likewise.
1390         * testsuite/20_util/shared_ptr/atomic/3.cc: Likewise.
1391         * testsuite/20_util/system_clock/1.cc: Likewise.
1392         * testsuite/20_util/time_point/1.cc: Likewise.
1393         * testsuite/20_util/time_point/2.cc: Likewise.
1394         * testsuite/20_util/time_point/3.cc: Likewise.
1395         * testsuite/20_util/time_point/requirements/explicit_instantiation/
1396         explicit_instantiation.cc: Likewise.
1397         * testsuite/21_strings/basic_string/requirements/
1398         explicit_instantiation/char16_t/1.cc: Likewise.
1399         * testsuite/21_strings/basic_string/requirements/
1400         explicit_instantiation/char32_t/1.cc: Likewise.
1401         * testsuite/21_strings/basic_string_view/requirements/
1402         explicit_instantiation/char16_t/1.cc: Likewise.
1403         * testsuite/21_strings/basic_string_view/requirements/
1404         explicit_instantiation/char32_t/1.cc: Likewise.
1405         * testsuite/21_strings/char_traits/requirements/
1406         explicit_instantiation/char16_t/1.cc: Likewise.
1407         * testsuite/21_strings/char_traits/requirements/
1408         explicit_instantiation/char32_t/1.cc: Likewise.
1409         * testsuite/21_strings/headers/string/types_std_c++0x.cc: Likewise.
1410         * testsuite/22_locale/codecvt/char16_t.cc: Likewise.
1411         * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
1412         * testsuite/22_locale/codecvt/codecvt_utf16/requirements/1.cc:
1413         Likewise.
1414         * testsuite/22_locale/codecvt/codecvt_utf8/requirements/1.cc:
1415         Likewise.
1416         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/requirements/1.cc:
1417         Likewise.
1418         * testsuite/22_locale/codecvt/utf8.cc: Likewise.
1419         * testsuite/23_containers/vector/bool/72847.cc: Likewise.
1420         * testsuite/23_containers/vector/debug/multithreaded_swap.cc:
1421         Likewise.
1422         * testsuite/experimental/string_view/requirements/
1423         explicit_instantiation/char16_t/1.cc: Likewise.
1424         * testsuite/experimental/string_view/requirements/
1425         explicit_instantiation/char32_t/1.cc: Likewise.
1426         * testsuite/ext/vstring/requirements/explicit_instantiation/char16_t/
1427         1.cc: Likewise.
1428         * testsuite/ext/vstring/requirements/explicit_instantiation/char32_t/
1429         1.cc: Likewise.
1430
1431         * include/ext/throw_allocator.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1432         (random_condition, throw_value_random, throw_allocator_random)
1433         (std::hash<throw_value_random>): Do not define when <tr1/random> is
1434         not usable.
1435         * src/c++11/cow-stdexcept.cc [!_GLIBCXX_USE_C99_STDINT_TR1]: Do not
1436         define transactional memory support when <stdint.h> is not usable.
1437
1438         * include/bits/hashtable_policy.h (__detail::__clp2): Use faster
1439         implementation that doesn't depend on <stdint.h> types.
1440         * include/std/memory (align) [!_GLIBCXX_USE_C99_STDINT_TR1]: Use
1441         std::size_t when std::uintptr_t is not usable.
1442         [!_GLIBCXX_USE_C99_STDINT_TR1] (pointer_safety, declare_reachable)
1443         (undeclare_reachable, declare_no_pointers, undeclare_no_pointers):
1444         Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
1445
1446         * include/bits/basic_string.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1447         (hash<u16string>, hash<u32string>): Remove dependency on
1448         _GLIBCXX_USE_C99_STDINT_TR1.
1449         * include/bits/char_traits.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1450         (char_traits<char16_t>, char_traits<char32_t>): Remove dependency on
1451         _GLIBCXX_USE_C99_STDINT_TR1. Use __UINT_LEAST16_TYPE__ and
1452         __UINT_LEAST32_TYPE__ or make_unsigned when <stdint.h> is not usable.
1453         * include/bits/codecvt.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1454         (codecvt<char16_t, char, mbstate_t>)
1455         (codecvt<char32_t, char, mbstate_t>)
1456         (codecvt_byname<char16_t, char, mbstate_t>)
1457         (codecvt_byname<char32_t, char, mbstate_t>): Remove dependency
1458         on _GLIBCXX_USE_C99_STDINT_TR1.
1459         * include/bits/locale_facets.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1460         (_GLIBCXX_NUM_UNICODE_FACETS): Likewise.
1461         * include/bits/stringfwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1462         (char_traits<char16_t>, char_traits<char32_t>)
1463         (basic_string<char16_t>, basic_string<char32_t>): Remove dependency
1464         on _GLIBCXX_USE_C99_STDINT_TR1.
1465         * include/experimental/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
1466         (u16string_view, u32string_view, hash<u16string_view>)
1467         (hash<u32string_view>, operator""sv(const char16_t, size_t))
1468         (operator""sv(const char32_t, size_t)): Likewise.
1469         * include/ext/vstring.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1470         (hash<__u16vstring>, hash<__u32vstring>): Likewise.
1471         * include/ext/vstring_fwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1472         (__u16vstring, __u16sso_string, __u16rc_string, __u32vstring)
1473         (__u32sso_string, __u32rc_string): Likewise.
1474         * include/std/codecvt [!_GLIBCXX_USE_C99_STDINT_TR1] (codecvt_mode)
1475         (codecvt_utf8, codecvt_utf16, codecvt_utf8_utf16): Likewise.
1476         * include/std/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
1477         (u16string_view, u32string_view, hash<u16string_view>)
1478         (hash<u32string_view>, operator""sv(const char16_t, size_t))
1479         (operator""sv(const char32_t, size_t)): Likewise.
1480         * src/c++11/codecvt.cc: Likewise.
1481         * src/c++98/locale_init.cc: Likewise.
1482         * src/c++98/localename.cc: Likewise.
1483
1484         * include/bits/atomic_futex.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1485         (__atomic_futex_unsigned_base): Remove dependency on
1486         _GLIBCXX_USE_C99_STDINT_TR1 macro.
1487         * include/bits/unique_lock.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1488         (unique_lock): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1.
1489         * include/c_global/cstdint [!_GLIBCXX_USE_C99_STDINT_TR1] (intmax_t)
1490         (uintmax_t): Define using predefined macros.
1491         * include/std/chrono [!_GLIBCXX_USE_C99_STDINT_TR1] (duration)
1492         (time_point, system_clock, high_resolution_clock, steady_clock): Remove
1493         dependency on _GLIBCXX_USE_C99_STDINT_TR1 macro.
1494         (nanoseconds, microseconds, milliseconds, seconds, minutes, hours):
1495         [!_GLIBCXX_USE_C99_STDINT_TR1]: Define using __INT64_TYPE__ or
1496         long long when <stdint.h> is not usable.
1497         * include/std/condition_variable [!_GLIBCXX_USE_C99_STDINT_TR1]
1498         (condition_variable, condition_variable_any): Remove dependency on
1499         _GLIBCXX_USE_C99_STDINT_TR1.
1500         * include/std/future [!_GLIBCXX_USE_C99_STDINT_TR1] (future, promise)
1501         (packaged_task, async): Likewise.
1502         * include/std/mutex [!_GLIBCXX_USE_C99_STDINT_TR1] (recursive_mutex)
1503         (timed_mutex, recursive_timed_mutex, try_lock, lock, scoped_lock)
1504         (once_flag, call_once): Likewise.
1505         * include/std/ratio [!_GLIBCXX_USE_C99_STDINT_TR1] (ratio): Likewise.
1506         * include/std/shared_mutex [!_GLIBCXX_USE_C99_STDINT_TR1]
1507         (shared_mutex, shared_timed_mutex, shared_lock): Likewise.
1508         * include/std/thread [!_GLIBCXX_USE_C99_STDINT_TR1] (thread)
1509         (this_thread::get_id, this_thread::yield, this_thread::sleep_for)
1510         (this_thread::sleep_until): Likewise.
1511         * src/c++11/chrono.cc: Remove dependency on
1512         _GLIBCXX_USE_C99_STDINT_TR1 macro.
1513         * src/c++11/condition_variable.cc: Likewise.
1514         * src/c++11/futex.cc: Likewise.
1515         * src/c++11/future.cc: Likewise.
1516         * src/c++11/mutex.cc: Likewise.
1517         * src/c++11/thread.cc: Likewise.
1518         * testsuite/20_util/duration/literals/range_neg.cc: Adjust dg-error.
1519         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1520         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1521         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1522         * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Likewise.
1523         * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
1524
1525 2018-07-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1526
1527         PR libstdc++/77691
1528         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1529         xfail execution on 32-bit Solaris/x86.
1530
1531 2018-07-26  Marc Glisse  <marc.glisse@inria.fr>
1532
1533         * include/bits/stl_vector.h (_Vector_impl_data::_M_copy_data): New.
1534         (_Vector_impl_data::_M_swap_data): Use _M_copy_data.
1535         (vector::_M_move_assign): Reorder the swaps.
1536
1537 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
1538
1539         PR libstdc++/86676
1540         * testsuite/20_util/monotonic_buffer_resource/release.cc: Request
1541         same alignment for post-release allocation.
1542
1543 2018-07-25  Jonathan Wakely  <jwakely@redhat.com>
1544
1545         PR libstdc++/86676
1546         * testsuite/20_util/monotonic_buffer_resource/release.cc: Allow for
1547         buffer being misaligned and so returned pointer not being at start.
1548
1549         * include/experimental/memory_resource: Include <cstddef> header.
1550
1551         * acinclude.m4 (glibcxx_SUBDIRS): Add src/c++17.
1552         * src/Makefile.am: Add comment.
1553         * src/c++17/Makefile.in: Regenerate.
1554
1555         * include/Makefile.am: Add new <bits/unique_lock.h> header.
1556         * include/Makefile.in: Regenerate.
1557         * include/bits/std_mutex.h [!_GLIBCXX_USE_C99_STDINT_TR1] (mutex)
1558         (lock_guard): Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
1559         (unique_lock): Move definition to ...
1560         * include/bits/unique_lock.h: New header.
1561         [!_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock): Define unconditionally.
1562         [_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock(mutex_type&, time_point))
1563         (unique_lock(mutex_type&, duration), unique_lock::try_lock_until)
1564         (unique_lock::try_lock_for): Define only when <chrono> is usable.
1565         * include/std/condition_variable: Include <bits/unique_lock.h>.
1566         * include/std/mutex: Likewise.
1567
1568 2018-07-24  Jonathan Wakely  <jwakely@redhat.com>
1569
1570         * config/abi/pre/gnu.ver: Export new symbols.
1571         * configure: Regenerate.
1572         * include/Makefile.am: Add new <memory_resource> header.
1573         * include/Makefile.in: Regenerate.
1574         * include/precompiled/stdc++.h: Include <memory_resource> for C++17.
1575         * include/std/memory_resource: New header.
1576         (memory_resource, polymorphic_allocator, new_delete_resource)
1577         (null_memory_resource, set_default_resource, get_default_resource)
1578         (pool_options, monotonic_buffer_resource): Define.
1579         * src/Makefile.am: Add c++17 directory.
1580         * src/Makefile.in: Regenerate.
1581         * src/c++11/Makefile.am: Fix comment.
1582         * src/c++17/Makefile.am: Add makefile for new sub-directory.
1583         * src/c++17/Makefile.in: Generate.
1584         * src/c++17/memory_resource.cc: New.
1585         (newdel_res_t, null_res_t, constant_init, newdel_res, null_res)
1586         (default_res, new_delete_resource, null_memory_resource)
1587         (set_default_resource, get_default_resource): Define.
1588         * testsuite/20_util/memory_resource/1.cc: New test.
1589         * testsuite/20_util/memory_resource/2.cc: New test.
1590         * testsuite/20_util/monotonic_buffer_resource/1.cc: New test.
1591         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: New test.
1592         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: New test.
1593         * testsuite/20_util/monotonic_buffer_resource/release.cc: New test.
1594         * testsuite/20_util/monotonic_buffer_resource/upstream_resource.cc:
1595         New test.
1596         * testsuite/20_util/polymorphic_allocator/1.cc: New test.
1597         * testsuite/20_util/polymorphic_allocator/resource.cc: New test.
1598         * testsuite/20_util/polymorphic_allocator/select.cc: New test.
1599         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
1600         Define concrete memory resource for testing.
1601         (__gnu_test::default_resource_mgr): Define RAII helper for changing
1602         default resource.
1603
1604         PR libstdc++/86658
1605         * include/bits/stl_algobase.h (__niter_wrap<_Iterator>): Pass unused
1606         parameter by reference, to avoid copying invalid iterators.
1607         * testsuite/25_algorithms/copy/86658.cc: New test.
1608
1609         * include/std/bit (__countl_zero, __countr_zero, __popcount): Use
1610         local variables for number of digits instead of type aliases.
1611         (__log2p1): Remove redundant branch also checked in __countl_zero.
1612
1613         * include/bits/uses_allocator.h (__is_erased_or_convertible): Reorder
1614         conditions. Add comments.
1615         * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error line.
1616         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
1617         * testsuite/20_util/scoped_allocator/69293_neg.cc: Likewise.
1618
1619         * include/bits/uses_allocator.h (__is_erased_or_convertible): Remove.
1620         (__uses_allocator_helper): Check conditions directly instead of
1621         using __is_erased_or_convertible.
1622
1623         * include/experimental/memory_resource: Adjust comments and
1624         whitespace.
1625         (__resource_adaptor_imp): Add second template parameter for type of
1626         memory resource base class.
1627         (memory_resource): Define default constructor, destructor, copy
1628         constructor and copy assignment operator as defaulted.
1629
1630         PR libstdc++/70966
1631         * include/experimental/memory_resource (__get_default_resource): Use
1632         placement new to create an object with dynamic storage duration.
1633
1634 2018-07-23  Jonathan Wakely  <jwakely@redhat.com>
1635
1636         PR libstdc++/70940
1637         * include/experimental/memory_resource
1638         (__resource_adaptor_common::_AlignMgr::_M_unadjust): Add assertion.
1639         (__resource_adaptor_common::__guaranteed_alignment): New helper to
1640         give maximum alignment an allocator guarantees. Specialize for known
1641         allocators using new and malloc.
1642         (__resource_adaptor_imp::do_allocate): Use __guaranteed_alignment.
1643         (__resource_adaptor_imp::do_deallocate): Likewise.
1644         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1645         Check that new and delete are called with expected sizes.
1646
1647 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
1648
1649         PR libstdc++/86595
1650         * include/bits/fs_dir.h (directory_entry::refresh(error_code&)): Add
1651         noexcept.
1652
1653 2018-07-20  Fangrui Song  <maskray@google.com>
1654
1655         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Use
1656         _GLIBCXX_VISIBILITY(default).
1657
1658 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
1659
1660         PR libstdc++/86603
1661         * include/std/version: Move __cpp_lib_list_remove_return_type macro.
1662
1663 2018-07-19  Jonathan Wakely  <jwakely@redhat.com>
1664
1665         * include/std/type_traits (__is_member_object_pointer_helper): Use
1666         __not_<is_function<_Tp>>::type instead of integral_constant.
1667         (__is_member_function_pointer_helper): Likewise for
1668         is_function<_Tp>::type.
1669         (is_compund): Likewise for __not_<is_fundamental<_Tp>>::type.
1670         (__do_is_nt_destructible_impl): Use __bool_constant and reindent.
1671         (is_trivially_constructible): Remove redundant use of
1672         is_constructible.
1673         (__is_trivially_copy_assignable_impl): Remove redundant use of
1674         is_copy_assignable.
1675         (__is_trivially_move_assignable_impl): Remove redundant use of
1676         is_move_assignable.
1677         (is_trivially_destructible): Use __bool_constant.
1678         * testsuite/20_util/is_trivially_assignable/value.cc: Add some more
1679         tests for scalar types.
1680
1681 2018-07-19  Glen Joseph Fernandes  <glenjofe@gmail.com>
1682
1683         * include/bits/stl_algobase.h (__copy_move_a): Used
1684         __is_trivially_copyable.
1685         (__copy_move_backward_a): Likewise.
1686         * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
1687         New test.
1688
1689 2018-07-17  Jonathan Wakely  <jwakely@redhat.com>
1690
1691         PR libstdc++/86450
1692         * acinclude.m4 (GLIBCXX_CHECK_COMPILER_FEATURES): Don't define WERROR.
1693         (GLIBCXX_EXPORT_FLAGS): Use -Wabi=2 instead of -Wabi.
1694         * configure: Regenerate.
1695         * configure.ac: Change GLIBCXX_ENABLE_WERROR default to "no".
1696         * doc/Makefile.in: Regenerate.
1697         * fragment.am: Set WERROR_FLAG to -Werror instead of $(WERROR).
1698         * include/Makefile.in: Regenerate.
1699         * libsupc++/Makefile.in: Regenerate.
1700         * po/Makefile.in: Regenerate.
1701         * python/Makefile.in: Regenerate.
1702         * src/Makefile.in: Regenerate.
1703         * src/c++11/Makefile.in: Regenerate.
1704         * src/c++11/debug.cc: Use diagnostic pragmas to suppress warnings
1705         from -Wabi=2 that don't affect exported symbols.
1706         * src/c++98/Makefile.in: Regenerate.
1707         * src/filesystem/Makefile.in: Regenerate.
1708         * testsuite/Makefile.in: Regenerate.
1709
1710         * src/c++11/compatibility-thread-c++0x.cc [_GLIBCXX_SHARED]
1711         (_Async_state_common::_M_join): Simplify use of std::call_once and
1712         corresponding explicit instantiation.
1713         (_Maybe_wrap_member_pointer, _Bind_simple, _Bind_simple_helper)
1714         (__bind_simple): Remove definitions and explicit instantiation that
1715         are not required by exported symbols.
1716
1717 2018-07-16  Jonathan Wakely  <jwakely@redhat.com>
1718
1719         * scripts/create_testsuite_files: Fix typo in comment.
1720
1721         PR libstdc++/86537
1722         * include/bits/shared_ptr.h (less<shared_ptr<_Tp>>): Remove
1723         non-standard partial specialization.
1724         * include/bits/shared_ptr_base.h (_Sp_less): Remove class definition.
1725         (less<__shared_ptr<_Tp, _Lp>): Remove partial specialization.
1726         * testsuite/20_util/shared_ptr/comparison/86537.cc: New test.
1727
1728 2018-07-16  Andreas Krebbel  <krebbel@linux.ibm.com>
1729
1730         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
1731         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
1732         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1733
1734 2018-07-06  François Dumont  <fdumont@gcc.gnu.org>
1735
1736         * include/debug/functions.h (__gnu_debug::__check_string): Move...
1737         * include/debug/string (__gnu_debug::__check_string): ... here.
1738         (_GLIBCXX_DEBUG_VERIFY_STR_COND_AT): New.
1739         (__glibcxx_check_string_n_constructor): New.
1740         (__gnu_debug::basic_string<>(const _CharT*, size_type, const _Alloc&)):
1741         Use latter.
1742         (__glibcxx_check_string_constructor): New.
1743         (__gnu_debug::basic_string<>(const _CharT*, const _Alloc&)):
1744         Use latter.
1745         * testsuite/21_strings/basic_string/debug/1_neg.cc: New.
1746         * testsuite/21_strings/basic_string/debug/2_neg.cc: New.
1747
1748 2018-07-06  Jonathan Wakely  <jwakely@redhat.com>
1749
1750         PR libstdc++/84928 use std::move in <numeric> algorithms
1751         * include/bits/stl_numeric.h (_GLIBCXX_MOVE_IF_20): Define macro to
1752         conditionally move, according to __cplusplus value.
1753         (accumulate, inner_product, partial_sum, adjacent_difference): Use
1754         _GLIBCXX_MOVE_IF_20.
1755         * testsuite/26_numerics/accumulate/lwg2055.cc: New test.
1756         * testsuite/26_numerics/adjacent_difference/lwg2055.cc: New test.
1757         * testsuite/26_numerics/inner_product/lwg2055.cc: New test.
1758         * testsuite/26_numerics/partial_sum/lwg2055.cc: New test.
1759
1760         * config/abi/pre/gnu.ver: Use wildcards to combine related patterns.
1761
1762         P0935R0 Eradicating unnecessarily explicit default constructors
1763         * config/abi/pre/gnu.ver: Tighten existing patterns and export new
1764         default constructor symbols.
1765         * include/std/sstream (basic_stringbuf, basic_istringstream)
1766         (basic_ostringstream, basic_stringstream): Remove default arguments
1767         from explicit constructors taking ios_base::openmode and add separate
1768         non-explicit default constructors.
1769         * testsuite/27_io/basic_istringstream/cons/default.cc: New.
1770         * testsuite/27_io/basic_ostringstream/cons/default.cc: New.
1771         * testsuite/27_io/basic_stringstream/cons/default.cc: New.
1772         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: New.
1773         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: New.
1774
1775         * include/std/variant (__accepted_index): Use void_t.
1776
1777 2018-07-05  Jonathan Wakely  <jwakely@redhat.com>
1778
1779         PR libstdc++/85831
1780         * config/abi/pre/gnu.ver: Export move constructors and move
1781         assignment operators for std::logic_error and std::runtime_error.
1782         * include/std/stdexcept: Use _GLIBCXX_NOTHROW instead of
1783         _GLIBCXX_USE_NOEXCEPT.
1784         (logic_error, runtime_error): Declare move constructors and move
1785         assignment operators. When not declared already, define copy
1786         constructors and copy assignment operators as explicit-defaulted.
1787         (domain_error, invalid_argument, length_error, out_of_range)
1788         (overflow_error, underflow_error): Define move constructors and move
1789         assignment operators as explicitly-defaulted.
1790         * libsupc++/exception.h (exception): Likewise.
1791         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Define
1792         move constructors and move assignment operators as defaulted.
1793         * testsuite/19_diagnostics/stdexcept.cc: Check that constructors and
1794         assignment operators are defined.
1795
1796         * testsuite/21_strings/basic_string/cons/char/deduction.cc: XFAIL for
1797         COW strings.
1798         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
1799         Likewise.
1800         * testsuite/21_strings/basic_string/requirements/
1801         explicit_instantiation/debug.cc: Likewise.
1802
1803         PR libstdc++/58265
1804         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
1805         (basic_string::assign(basic_string&&)): Add conditional noexcept
1806         depending on the allocator's is_always_equal property (LWG 2063).
1807         * testsuite/21_strings/basic_string/modifiers/assign/char/
1808         move_assign.cc: Check for non-throwing exception specification.
1809         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
1810         move_assign.cc: Likewise.
1811
1812         PR libstdc++/58265
1813         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
1814         [_GLIBCXX_FULLY_DYNAMIC_STRING==0] (basic_string::basic_string()):
1815         Add GLIBCXX_NOEXCEPT.
1816         (basic_string::operator=(basic_string&&)): Add _GLIBCXX_NOEXCEPT_IF
1817         to depend on the allocator's is_always_equal property (LWG 2063).
1818         (basic_string::swap(basic_string&)): Likewise.
1819         * include/bits/basic_string.tcc [!_GLIBCXX_USE_CXX11_ABI]
1820         (basic_string::swap(basic_string&)): Likewise.
1821         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
1822         Check is_nothrow_move_assignable.
1823         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
1824         Check is_nothrow_move_assignable.
1825         * testsuite/21_strings/basic_string/cons/char/
1826         noexcept_move_construct.cc: Likewise.
1827         * testsuite/21_strings/basic_string/cons/wchar_t/
1828         noexcept_move_construct.cc: Likewise.
1829
1830 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
1831
1832         P0646R1 Improving the Return Value of Erase-Like Algorithms I
1833         * include/bits/forward_list.h (__cpp_lib_list_remove_return_type):
1834         Define.
1835         (forward_list::__remove_return_type): Define typedef as size_type or
1836         void, according to __cplusplus value.
1837         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
1838         empty, according to __cplusplus value.
1839         (forward_list::remove, forward_list::unique): Use typedef and macro
1840         to change return type and add abi-tag for C++2a.
1841         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
1842         typedef to change return type for C++2a.
1843         * include/bits/forward_list.tcc (_GLIBCXX20_ONLY): Define macro.
1844         (forward_list::remove, forward_list::remove_if<Pred>)
1845         (forward_list::unique<BinPred>): Return number of removed elements
1846         for C++2a.
1847         * include/bits/list.tcc (_GLIBCXX20_ONLY): Define macro.
1848         (list::remove, list::unique, list::remove_if<Predicate>)
1849         (list::unique<BinaryPredicate>): Return number of removed elements
1850         for C++2a.
1851         * include/bits/stl_list.h (__cpp_lib_list_remove_return_type): Define.
1852         (list::__remove_return_type): Define typedef as size_type or
1853         void, according to __cplusplus value.
1854         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
1855         empty, according to __cplusplus value.
1856         (list::remove, list::unique): Use typedef and macro to change return
1857         type and add abi-tag for C++2a.
1858         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use
1859         typedef to change return type for C++2a.
1860         * include/std/version (__cpp_lib_list_remove_return_type): Define.
1861         * testsuite/23_containers/forward_list/operations/
1862         remove_cxx20_return.cc: New.
1863         * testsuite/23_containers/forward_list/operations/
1864         unique_cxx20_return.cc: New.
1865
1866         P0458R2 Checking for Existence of an Element in Associative Containers
1867         * include/bits/stl_map.h (map::contains): Add for C++2a.
1868         * include/bits/stl_multimap.h (multimap::contains): Likewise.
1869         * include/bits/stl_multiset.h (multiset::contains): Likewise.
1870         * include/bits/stl_set.h (set::contains): Likewise.
1871         * include/bits/stl_tree.h (__has_is_transparent_t): Define alias.
1872         (_Rb_tree::_M_find_tr, _Rb_tree::_M_count_tr)
1873         (_Rb_tree::_M_lower_bound_tr, _Rb_tree::_M_upper_bound_tr)
1874         (_Rb_tree::_M_equal_range_tr): Use __has_is_transparent_t.
1875         * include/bits/unordered_map.h (unordered_map::contains)
1876         (unordered_multimap::contains): Add for C++2a.
1877         * include/bits/unordered_set.h (unordered_set::contains)
1878         (unordered_multiset::contains): Likewise.
1879         * testsuite/23_containers/map/operations/contains.cc: New.
1880         * testsuite/23_containers/multimap/operations/contains.cc: New.
1881         * testsuite/23_containers/multiset/operations/contains.cc: New.
1882         * testsuite/23_containers/set/operations/contains.cc: New.
1883         * testsuite/23_containers/unordered_map/operations/contains.cc: New.
1884         * testsuite/23_containers/unordered_multimap/operations/contains.cc:
1885         New.
1886         * testsuite/23_containers/unordered_multiset/operations/contains.cc:
1887         New.
1888         * testsuite/23_containers/unordered_set/operations/contains.cc: New.
1889
1890 2018-07-04  François Dumont  <fdumont@gcc.gnu.org>
1891
1892         PR libstdc++/86272
1893         * include/debug/string
1894         (__gnu_debug::basic_string<>::insert<_Ite>(const_iterator, _Ite, _Ite)):
1895         Use __glibcxx_check_insert_range.
1896         * 21_strings/basic_string/cons/char/1.cc: Adapt test to use
1897         __gnu_debug::string when _GLIBCXX_DEBUG.
1898         * 21_strings/basic_string/init-list.cc: Likewise.
1899         * 21_strings/basic_string/modifiers/insert/char/1.cc: Likewise.
1900         * 21_strings/basic_string/modifiers/insert/char/2.cc: Likewise.
1901         * 21_strings/basic_string/modifiers/insert/char/83328.cc: Likewise.
1902         * 21_strings/basic_string/types/1.cc: Likewise.
1903
1904 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
1905
1906         * testsuite/25_algorithms/make_heap/complexity.cc: Require effective
1907         target for std::random_device.
1908         * testsuite/26_numerics/random/random_device/cons/default.cc:
1909         Likewise.
1910         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
1911         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
1912         * testsuite/experimental/random/randint.cc: Likewise.
1913         * testsuite/lib/libstdc++.exp
1914         (check_effective_target_random_device): New proc.
1915
1916 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
1917             Jakub Jelinek  <jakub@redhat.com>
1918
1919         * include/std/bit (__rotl, __rotr): Fix for non-power of two sizes.
1920
1921 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
1922
1923         PR libstdc++/86398
1924         * include/std/type_traits (is_trivially_constructible): Check
1925         is_constructible before __is_trivially_constructible.
1926         * testsuite/20_util/is_trivially_constructible/value.cc: Add more
1927         tests, including negative cases.
1928         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Use
1929         zero for dg-error lineno.
1930         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
1931         Likewise.
1932
1933         * include/std/bit (__rotl, __rotr): Avoid branch.
1934         (_If_is_unsigned_integer): Use remove_cv_t.
1935         * testsuite/26_numerics/bit/bitops.count/popcount.cc: New.
1936
1937 2018-07-03  Jonathan Wakely  <jwakely@redhat.com>
1938
1939         P0556R3 Integral power-of-2 operations, P0553R2 Bit operations
1940         * include/Makefile.am: Add new header.
1941         * include/Makefile.in: Regenerate.
1942         * include/precompiled/stdc++.h: Include new header.
1943         * include/std/bit: New header.
1944         (__rotl, __rotr, __countl_zero, __countl_one, __countr_zero)
1945         (__countr_one, __popcount, __ispow2, __ceil2, __floor2, __log2p1):
1946         Define for C++14.
1947         [!__STRICT_ANSI__] (rotl, rotr, countl_zero, countl_one, countr_zero)
1948         (countr_one, popcount): Define for C++2a. Also overload for std::byte.
1949         (ispow2, ceil2, floor2, log2p1): Define for C++2a.
1950         [!__STRICT_ANSI__] (ispow2, ceil2, floor2, log2p1): Overload for
1951         std::byte.
1952         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: New.
1953         * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: New.
1954         * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: New.
1955         * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: New.
1956         * testsuite/26_numerics/bit/bitops.rot/rotl.cc: New.
1957         * testsuite/26_numerics/bit/bitops.rot/rotr.cc: New.
1958         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: New.
1959         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: New.
1960         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: New.
1961         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: New.
1962
1963         * include/bits/alloc_traits.h: Remove redundant preprocessor
1964         condition.
1965
1966 2018-07-03  François Dumont  <fdumont@gcc.gnu.org>
1967
1968         * include/bits/stl_algobase.h (__niter_wrap): New.
1969         (__copy_move_a2(_II, _II, _OI)): Use latter.
1970         (__copy_move_backward_a2(_BI1, _BI1, _BI2)): Likewise.
1971         (fill_n(_OI, _Size, const _Tp&)): Likewise.
1972         (equal(_II1, _II1, _II2)): Use __glibcxx_requires_can_increment.
1973         * include/debug/stl_iterator.h
1974         (std::__niter_base(const __gnu_cxx::_Safe_iterator<
1975         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New declaration.
1976         * include/debug/vector (__niter_base(const __gnu_cxx::_Safe_iterator<
1977         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New.
1978
1979 2018-07-02  Jonathan Wakely  <jwakely@redhat.com>
1980
1981         P0758R1 Implicit conversion traits
1982         * include/std/type_traits [__cplusplus > 201703]
1983         (__is_convertible_helper::__is_nothrow_type): Define new member.
1984         (__is_convertible_helper<_From, _To, false>::__test_aux1): Add
1985         noexcept.
1986         (__is_convertible_helper<_From, _To, false>::__test_nothrow)
1987         (__is_convertible_helper<_From, _To, false>::__is_nothrow_type): Add
1988         new members.
1989         (is_nothrow_convertible, is_nothrow_convertible_v): Define for C++2a.
1990         * testsuite/20_util/is_nothrow_convertible/value.cc: New.
1991         * testsuite/20_util/is_nothrow_convertible/requirements/
1992         explicit_instantiation.cc: New.
1993         * testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc:
1994         New.
1995
1996         P0887R1 The identity metafunction
1997         * include/std/type_traits (type_identity, type_identity_t): Define
1998         for C++2a.
1999         * testsuite/20_util/type_identity/requirements/alias_decl.cc: New.
2000         * testsuite/20_util/type_identity/requirements/
2001         explicit_instantiation.cc:New.
2002         * testsuite/20_util/type_identity/requirements/typedefs.cc: New.
2003
2004         * include/bits/regex.h (sub_match::operator string_type): Call str().
2005         (sub_match::compare): Use _M_str() instead of str().
2006         (sub_match::_M_compare): New public function.
2007         (sub_match::__string_view): New helper type.
2008         (sub_match::_M_str): New overloaded functions to avoid creating a
2009         string_type object when not needed.
2010         (operator==, operator!=, operator<, operator>, operator<=, operator>=):
2011         Use sub_match::_M_compare instead of creating string_type objects.
2012         Fix Doxygen comments.
2013         * include/bits/regex_compiler.h (__has_contiguous_iter): Remove.
2014         (__is_contiguous_normal_iter): Rename to __is_contiguous_iter and
2015         simplify.
2016         (__enable_if_contiguous_iter, __disable_if_contiguous_iter): Use
2017         __enable_if_t.
2018         * include/std/type_traits (__enable_if_t): Define for C++11.
2019         * testsuite/28_regex/sub_match/compare.cc: New.
2020         * testsuite/util/testsuite_iterators.h (remove_cv): Add transformation
2021         trait.
2022         (input_iterator_wrapper): Use remove_cv for value_type argument of
2023         std::iterator base class.
2024
2025 2018-06-29  Jonathan Wakely  <jwakely@redhat.com>
2026
2027         * testsuite/20_util/add_rvalue_reference/requirements/alias_decl.cc:
2028         Add whitespace to dejagnu directive.
2029         * testsuite/23_containers/array/element_access/at_neg.cc: Likewise.
2030
2031 2018-06-27  François Dumont  <fdumont@gcc.gnu.org>
2032
2033         * include/bits/stl_vector.h
2034         (struct _Vector_base<>::_Vector_impl_data): New.
2035         (struct _Vector_base<>::_Vector_impl): Inherit from latter.
2036         (_Vector_base<>::_Vector_impl::_M_swap_data): Move...
2037         (_Vector_base<>::_Vector_impl_data::_M_swap_data): ...here.
2038         (_Vector_base<>::_Vector_impl()): Add noexcept qualification.
2039         (_Vector_base<>::_Vector_impl(_Vector_impl&&)): New.
2040         (_Vector_base<>::_Vector_impl(_Tp_alloc_type&&, _Vector_impl&&)): New.
2041         (_Vector_base(const allocator_type&, _Vector_base&&)): New, use latter.
2042         (_Vector_base()): Default.
2043         (_Vector_base(_Vector_base&&)): Default.
2044         (_Vector_base(size_t)) [_GLIBCXX_INLINE_VERSION]: Delete.
2045         (_Vector_base(_Tp_alloc_type&&)) [_GLIBCXX_INLINE_VERSION]: Delete.
2046         (_Vector_base::_M_create_storage(size_t)): Make protected.
2047         (vector()): Default.
2048         (vector(vector&&)): Default.
2049         (vector(vector&&, const allocator_type&, true_type)): New.
2050         (vector(vector&&, const allocator_type&, false_type)): New.
2051         (vector(vector&&, const allocator_type&)): Use latters.
2052         (vector(_InputIte, _InputIte, const allocator_type&)): Call
2053         _M_range_initialize directly.
2054         * include/debug/vector
2055         (vector(vector&&, const allocator_type&)): Add noexcept qualification.
2056         * testsuite/23_containers/vector/allocator/default_init.cc: New.
2057         * testsuite/23_containers/vector/cons/noexcept_move_construct.cc: Add
2058         static assertions.
2059
2060 2018-06-27  Jonathan Wakely  <jwakely@redhat.com>
2061
2062         * include/bits/cpp_type_traits.h [__cplusplus >= 201703]
2063         (__is_byte<byte>): Define specialization for std::byte.
2064
2065         PR libstdc++/86138
2066         * include/bits/basic_string.tcc: [_GLIBCXX_EXTERN_TEMPLATE < 0]
2067         Declare explicit instantiations of COW empty reps and I/O functions.
2068
2069 2018-06-26  David Edelsohn  <dje.gcc@gmail.com>
2070
2071         * testsuite/experimental/algorithm/sample-2.cc: Add TLS DejaGNU
2072         directives.
2073         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2074
2075 2018-06-26  Jonathan Wakely  <jwakely@redhat.com>
2076
2077         * include/bits/regex.tcc (regex_iterator::operator==): Add missing
2078         noexcept.
2079
2080 2018-06-25  Jonathan Wakely  <jwakely@redhat.com>
2081
2082         PR libstdc++/86112
2083         * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
2084         Replace dict comprehension.
2085
2086         PR libstdc++/81092
2087         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
2088
2089         PR libstdc++/86292
2090         * include/bits/stl_vector.h (vector::_M_range_initialize<InputIter>):
2091         Add try-catch block.
2092         * testsuite/23_containers/vector/cons/86292.cc: New.
2093
2094         * doc/xml/manual/status_cxx2017.xml: Document N4531 status.
2095
2096         * include/experimental/algorithm (sample, shuffle): Add new overloads
2097         using per-thread random number engine.
2098         * testsuite/experimental/algorithm/sample.cc: Simpify and reduce
2099         dependencies by using __gnu_test::test_container.
2100         * testsuite/experimental/algorithm/sample-2.cc: New.
2101         * testsuite/experimental/algorithm/shuffle.cc: New.
2102
2103 2018-06-22  Jonathan Wakely  <jwakely@redhat.com>
2104
2105         * config/abi/pre/gnu.ver: Fix __cxx11::basic_string patterns for
2106         different size_t mangling on 32-bit targets.
2107
2108         PR libstdc++/86280
2109         * include/experimental/memory_resource
2110         (__resource_adaptor_common::_AlignMgr::_M_token_size): Use type large
2111         enough for result of left shift.
2112
2113         PR libstdc++/86138
2114         * include/bits/basic_string.tcc:
2115         [__cplusplus > 201402 && !_GLIBCXX_USE_CXX11_ABI]
2116         (basic_string<char>::_Rep::_S_empty_rep_storage)
2117         (basic_string<wchar_t>::_Rep::_S_empty_rep_storage): Add explicit
2118         instantiation declarations.
2119         [__cplusplus > 201402] (operator>>, operator<<, getline): Re-enable
2120         explicit instantiation declarations.
2121         * testsuite/21_strings/basic_string/cons/char/86138.cc: New.
2122         * testsuite/21_strings/basic_string/cons/wchar_t/86138.cc: New.
2123
2124 2018-06-21  Jonathan Wakely  <jwakely@redhat.com>
2125
2126         PR libstdc++/83328
2127         * acinclude.m4 (libtool_VERSION): Bump to 6:26:0.
2128         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 and export new symbol.
2129         * configure: Regenerate.
2130         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
2131         (basic_string::insert(const_iterator, initializer_list<C>)): Add.
2132         [_GLIBCXX_USE_CXX11_ABI && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
2133         (basic_string::insert(iterator, initializer_list<C>)): Suppress
2134         definition.
2135         * include/debug/string (basic_string::insert(iterator, C)): Change
2136         first parameter to const_iterator.
2137         (basic_string::insert(iterator, size_type, C)): Likewise. Change
2138         return type to iterator.
2139         (basic_string::insert(iterator, InputIterator, InputIterator)):
2140         Likewise.
2141         (basic_string::insert(iterator, initializer_list<C>)): Change first
2142         parameter to const_iterator and return type to iterator.
2143         * src/c++11/string-inst.cc: Extend comment.
2144         * testsuite/21_strings/basic_string/modifiers/insert/char/83328.cc:
2145         New.
2146         * testsuite/21_strings/basic_string/modifiers/insert/wchar_t/83328.cc:
2147         New.
2148         * testsuite/util/testsuite_abi.cc: Add new symbol version.
2149
2150         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2151
2152         PR libstdc++/70940
2153         * include/experimental/memory_resource
2154         (__resource_adaptor_imp::do_deallocate): Add missing return.
2155         * testsuite/experimental/memory_resource/new_delete_resource.cc: New.
2156         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
2157         resource_adaptor with std::allocator, __gnu_cxx::new_allocator and
2158         __gnu_cxx::malloc_allocator.
2159
2160         PR libstdc++/70940
2161         * include/experimental/memory_resource (__resource_adaptor_common):
2162         New base class.
2163         (__resource_adaptor_common::_AlignMgr): Helper for obtaining aligned
2164         pointer from unaligned, and vice versa.
2165         (__resource_adaptor_imp::do_allocate): Use _AlignMgr to adjust
2166         allocated pointer to meet alignment request.
2167         (__resource_adaptor_imp::do_deallocate): Use _AlignMgr to retrieve
2168         original pointer for deallocation.
2169         (__resource_adaptor_imp::do_is_equal): Reformat.
2170         (__resource_adaptor_imp::_S_aligned_size): Remove.
2171         (__resource_adaptor_imp::_S_supported): Remove.
2172         (new_delete_resource): Use __gnu_cxx::new_allocator.
2173         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
2174         extended alignments and use debug_allocator to check for matching
2175         allocate/deallocate pairs.
2176
2177 2018-06-21  François Dumont  <fdumont@gcc.gnu.org>
2178
2179         * include/debug/safe_iterator.h
2180         (_Safe_iterator<>(const _Safe_iterator<_MutableIterator,>& __x)):
2181         Compare __x base iterator with a value-initialized iterator of the
2182         same type.
2183
2184 2018-06-20  Jonathan Wakely  <jwakely@redhat.com>
2185
2186         PR libstdc++/70966
2187         * include/experimental/memory_resource (__resource_adaptor_imp): Add
2188         static assertions to enforce requirements on pointer types.
2189         (__resource_adaptor_imp::get_allocator()): Add noexcept.
2190         (new_delete_resource, null_memory_resource): Return address of an
2191         object with dynamic storage duration.
2192         (__null_memory_resource): Remove.
2193         * testsuite/experimental/memory_resource/70966.cc: New.
2194
2195         * testsuite/20_util/duration/arithmetic/dr3050.cc: Add new test
2196         missed from recent commit.
2197
2198 2018-06-19  Jonathan Wakely  <jwakely@redhat.com>
2199
2200         * include/std/utility: Remove unused <exception> header.
2201
2202 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
2203
2204         LWG 2975 ensure construct(pair<T,U>*, ...) used to construct pairs
2205         * include/std/scoped_allocator (__not_pair): Define SFINAE helper.
2206         (construct(_Tp*, _Args&&...)): Remove from overload set when _Tp is
2207         a specialization of std::pair.
2208         * testsuite/20_util/scoped_allocator/construct_pair.cc: Ensure
2209         pair elements are constructed correctly.
2210
2211         LWG 2989 hide path iostream operators from normal lookup
2212         * include/bits/fs_path.h (operator<<, operator>>): Define inline as
2213         friends.
2214         * testsuite/27_io/filesystem/path/io/dr2989.cc: New.
2215
2216         LWG 3050 Fix cv-qualification of convertibility constraints
2217         * include/std/chrono (duration, operator*, operator/, operator%): Use
2218         const-qualified type as source type in is_convertible constraints.
2219         * testsuite/20_util/duration/arithmetic/dr3050.cc: New.
2220         * testsuite/20_util/duration/cons/dr3050.cc: New.
2221         * testsuite/20_util/duration/literals/range.cc: Rename to...
2222         * testsuite/20_util/duration/literals/range_neg.cc: Here. Adjust
2223         dg-error lineno.
2224
2225 2018-06-18  Maya Rashish  <coypu@sdf.org>
2226
2227         * crossconfig.m4: Handle OpenBSD just like NetBSD.
2228         * configure: Rebuilt.
2229
2230 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
2231
2232         P0754R2 <version> header
2233         * include/Makefile.am: Add new header.
2234         * include/Makefile.in: Regenerate.
2235         * include/bits/c++config: Change doxygen comment to suggest <version>
2236         instead of <iosfwd>.
2237         * include/precompiled/stdc++.h: Include <cwchar> and <cwctype>
2238         unconditionally.  Add C++17 and C++20 headers.
2239         * include/std/version: New header.
2240         * testsuite/17_intro/headers/c++2017/all_attributes.cc: New.
2241         * testsuite/17_intro/headers/c++2017/all_no_exceptions.cc: New.
2242         * testsuite/17_intro/headers/c++2017/all_no_rtti.cc: New.
2243         * testsuite/17_intro/headers/c++2017/all_pedantic_errors.cc: New.
2244         * testsuite/17_intro/headers/c++2017/operator_names.cc: New.
2245         * testsuite/17_intro/headers/c++2017/stdc++.cc: New.
2246         * testsuite/17_intro/headers/c++2017/stdc++_multiple_inclusion.cc:
2247         New.
2248         * testsuite/17_intro/headers/c++2020/all_attributes.cc: New.
2249         * testsuite/17_intro/headers/c++2020/all_no_exceptions.cc: New.
2250         * testsuite/17_intro/headers/c++2020/all_no_rtti.cc: New.
2251         * testsuite/17_intro/headers/c++2020/all_pedantic_errors.cc: New.
2252         * testsuite/17_intro/headers/c++2020/operator_names.cc: New.
2253         * testsuite/17_intro/headers/c++2020/stdc++.cc: New.
2254         * testsuite/17_intro/headers/c++2020/stdc++_multiple_inclusion.cc:
2255         New.
2256         * testsuite/18_support/headers/version/macros.cc: New.
2257         * testsuite/18_support/headers/version/macros.cc: New.
2258
2259         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Only check when
2260         enable_libstdcxx_filesystem_ts = yes. Check for link, readlink and
2261         symlink.
2262         * config.h.in: Regenerate.
2263         * configure: Regenerate.
2264         * configure.ac: Remove AC_CHECK_FUNCS for link, readlink and symlink.
2265
2266         LWG 3035. std::allocator's constructors should be constexpr
2267         * include/bits/allocator.h (allocator): Add constexpr to constructors
2268         for C++2a. Replace dynamic exception specifications with NOTHROW
2269         macro.
2270         (allocator, operator==, operator!=): Replace USE_NOEXCEPT macro with
2271         NOTHROW.
2272         * include/bits/c++config (_GLIBCXX20_CONSTEXPR): Define.
2273         * include/ext/malloc_allocator.h (malloc_allocator): Add constexpr
2274         to constructors for C++2a.
2275         * include/ext/new_allocator.h (new_allocator): Likewise.
2276
2277 2018-06-16  Jonathan Wakely  <jwakely@redhat.com>
2278
2279         LWG 3076 basic_string CTAD ambiguity
2280         * doc/xml/manual/intro.xml: Document LWG 3076 change.
2281         * include/bits/basic_string.h
2282         [__cpp_deduction_guides && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
2283         (basic_string(const _CharT*, const _Alloc&)): Turn into a function
2284         template constrained by _RequireAllocator.
2285         (basic_string(size_type, _CharT, const _Alloc&)): Likewise.
2286         * src/c++11/string-inst.cc (_GLIBCXX_DEFINING_STRING_INSTANTIATIONS):
2287         Define.
2288         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2289         deduction
2290         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2291         Likewise.
2292
2293 2018-06-15  Jonathan Wakely  <jwakely@redhat.com>
2294
2295         PR libstdc++/86169
2296         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2297         (basic_string::data()): Unshare string.
2298         * testsuite/21_strings/basic_string/operations/data/char/86169.cc:
2299         New.
2300
2301         * include/std/string_view (basic_string_view(const CharT*)): Remove
2302         check for null pointer and add nonnull attribute.
2303         (compare(const CharT*), compare(size_type, size_type, const CharT*))
2304         (find(const CharT*, size_type), rfind(const CharT*, size_type))
2305         (find_first_of(const CharT*, size_type))
2306         (find_last_of(const CharT*, size_type))
2307         (find_first_not_of(const CharT*, size_type))
2308         (find_last_not_of(const CharT*, size_type)): Add nonnull attribute.
2309         * testsuite/21_strings/basic_string_view/cons/char/nonnull.cc: New.
2310         * testsuite/21_strings/basic_string_view/operations/compare/char/
2311         nonnull.cc: New.
2312         * testsuite/21_strings/basic_string_view/operations/find/char/
2313         nonnull.cc: New.
2314         * testsuite/21_strings/basic_string_view/operations/rfind/char/
2315         nonnull.cc: New.
2316
2317         PR libstdc++/86168
2318         * include/bits/random.h (random_device(const string&)): Remove
2319         default argument.
2320
2321         * include/bits/char_traits.h (__cpp_lib_constexpr_char_traits): Only
2322         define for C++17 and above.
2323
2324         LWG 2993 reference_wrapper<T> conversion from T&&
2325         * doc/xml/manual/intro.xml: Document LWG 2993 change.
2326         * include/bits/refwrap.h (reference_wrapper(_Tp&)): Remove.
2327         (reference_wrapper(_Tp&&)): Remove.
2328         (reference_wrapper<_Up>(_Up&&)): Define new constructor as constrained
2329         template.
2330         (reference_wrapper): Add deduction guide.
2331         * testsuite/20_util/reference_wrapper/deduction.cc: New.
2332         * testsuite/20_util/reference_wrapper/lwg2993.cc: New.
2333
2334         LWG 3039 Unnecessary decay in thread and packaged_task
2335         * include/std/future (__constrain_pkgdtask): Replace with ...
2336         (packaged_task::__not_same): New alias template, using
2337         __remove_cvref_t instead of decay.
2338         * include/std/thread (thread::__not_same): Add comment.
2339
2340 2018-06-14  Jonathan Wakely  <jwakely@redhat.com>
2341
2342         LWG 3075 basic_string needs deduction guides from basic_string_view
2343         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2344         deduction from string views.
2345         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2346         Likewise.
2347
2348         LWG 3074 make scalar types non-deduced in valarray non-member functions
2349         * include/bits/valarray_after.h (_DEFINE_EXPR_BINARY_FUNCTION): Change
2350         scalar parameters to be a non-deduced context.
2351         * include/std/valarray (_DEFINE_BINARY_OPERATOR): Likewise. Adjust
2352         whitespace.
2353         * testsuite/26_numerics/valarray/operators.cc: Test scalar operands.
2354         * testsuite/26_numerics/valarray/transcend.cc: New.
2355
2356         * include/std/tuple (__cpp_lib_tuple_element_t, tuple_element_t):
2357         Move back to <utility>.
2358         * include/std/utility (__cpp_lib_tuple_element_t. tuple_element_t):
2359         Restore to here.
2360
2361         P0935R0 Eradicating unnecessarily explicit default constructors
2362         * include/backward/strstream (strstreambuf): Add non-explicit default
2363         constructor.
2364         * include/bits/locale_conv.h (wbuffer_convert, wstring_convert):
2365         Likewise.
2366         * include/bits/regex.h (match_results): Likewise.
2367         * testsuite/22_locale/conversions/buffer/1.cc: Test for non-explicit
2368         default constructor.
2369         * testsuite/22_locale/conversions/string/1.cc: Likewise.
2370         * testsuite/28_regex/match_results/ctors/char/default.cc: Likewise.
2371         * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.
2372
2373         * include/std/tuple (__cpp_lib_tuple_element_t): Move feature test
2374         macro from <utility> and change type to long.
2375         * include/std/utility (__cpp_lib_tuple_element_t): Remove.
2376         * testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test
2377         macro.
2378
2379         P0935R0 Eradicating unnecessarily explicit default constructors
2380         * include/bits/random.h (uniform_real_distribution::param_type)
2381         (normal_distribution::param_type, lognormal_distribution::param_type)
2382         (gamma_distribution::param_type, chi_squared_distribution::param_type)
2383         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
2384         (student_t_distribution::param_type)
2385         (bernoulli_distribution::param_type)
2386         (binomial_distribution::param_type)
2387         (geometric_distribution::param_type)
2388         (negative_binomial_distribution::param_type)
2389         (poisson_distribution::param_type)
2390         (exponential_distribution::param_type)
2391         (weibull_distribution::param_type)
2392         (extreme_value_distribution::param_type): Add non-explicit default
2393         constructors. Remove default argument for first parameter of explicit
2394         constructors.
2395         * include/bits/uniform_int_dist.h
2396         (uniform_int_distribution::param_type): Likewise.
2397         * include/ext/random
2398         (beta_distribution::param_type, rice_distribution::param_type)
2399         (nakagami_distribution::param_type, pareto_distribution::param_type)
2400         (k_distribution::param_type, arcsine_distribution::param_type)
2401         (hoyt_distribution::param_type, triangular_distribution::param_type)
2402         (von_mises_distribution::param_type)
2403         (hypergeometric_distribution::param_type)
2404         (logistic_distribution::param_type)
2405         (uniform_inside_sphere_distribution::param_type): Likewise.
2406         (uniform_on_sphere_distribution::param_type): Make default constructor
2407         non-explicit.
2408         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
2409         Test param_type for non-explicit default constructor.
2410         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
2411         Likewise.
2412         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
2413         Likewise.
2414         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
2415         Likewise.
2416         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
2417         Likewise.
2418         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
2419         Likewise.
2420         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
2421         Likewise.
2422         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
2423         Likewise.
2424         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
2425         Likewise.
2426         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
2427         Likewise.
2428         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
2429         Likewise.
2430         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
2431         Likewise.
2432         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
2433         Likewise.
2434         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
2435         Likewise.
2436         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
2437         Likewise.
2438         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
2439         Likewise.
2440         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
2441         Likewise.
2442         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
2443         Likewise.
2444         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
2445         Likewise.
2446         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
2447         Likewise.
2448         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
2449         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
2450         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
2451         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
2452         Likewise.
2453         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
2454         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
2455         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
2456         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
2457         Likewise.
2458         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
2459         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
2460         * testsuite/ext/random/triangular_distribution/cons/default.cc:
2461         Likewise.
2462         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
2463         Likewise.
2464         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
2465         Likewise.
2466         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
2467         Likewise.
2468
2469 2018-06-14  Daniel Trebbien <dtrebbien@gmail.com>
2470             Jonathan Wakely  <jwakely@redhat.com>
2471
2472         PR libstdc++/83982
2473         * include/bits/vector.tcc (vector::_M_default_append(size_type)):
2474         Default-construct new elements before moving existing ones.
2475         * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
2476         New.
2477
2478 2018-06-13  Jonathan Wakely  <jwakely@redhat.com>
2479
2480         PR libstdc++/86127
2481         * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove
2482         unused typedef.
2483         (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after):
2484         Use node allocator to create and destroy elements.
2485         (forward_list::_Tp_alloc_type): Remove unused typedef.
2486         (forward_list::_Alloc_traits): Use allocator_traits instead of
2487         __gnu_cxx::__alloc_traits.
2488
2489 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
2490
2491         * include/debug/helper_functions.h
2492         (__gnu_debug::_Safe_iterator<>): Add declaration.
2493         (__can_advance(_Ite, _Size)): New.
2494         (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration.
2495         * include/debug/functions.h
2496         (__gnu_debug::_Safe_iterator<>): Remove declaration.
2497         * include/debug/stl_iterator.h
2498         (__can_advance(const _Safe_iterator<>&)): New definition.
2499         * include/debug/stl_iterator.h
2500         (__can_advance(const std::reverse_iterator<>&, _Size)): New.
2501         (__can_advance(const std::move_iterator<>&, _Size)): New.
2502         * include/debug/macros.h (__glibcxx_check_can_increment): New.
2503         * include/debug/debug.h (__glibcxx_requires_can_increment): New.
2504         * include/bits/stl_algobase.h (fill_n): Use latter.
2505         * testsuite/25_algorithms/fill_n/2.cc: New.
2506         * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New.
2507         * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New.
2508         * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New.
2509         * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New.
2510
2511         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
2512         (__glibcxx_requires_can_decrement_range): New.
2513
2514 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
2515
2516         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
2517         (__glibcxx_check_can_decrement_range): New.
2518         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
2519         __glibcxx_requires_can_increment_range.
2520         (std::move(_II, _II, _OI)): Likewise.
2521         (std::copy_backward(_BI, _BI, _BI2)): Use
2522         __glibcxx_requires_can_decrement_range.
2523         (std::move_backward(_BI, _BI, _BI2)): Likewise.
2524         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
2525         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
2526         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
2527         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
2528         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
2529         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
2530
2531 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
2532
2533         P0935R0 Eradicating unnecessarily explicit default constructors
2534         * include/bits/random.h (linear_congruential_engine)
2535         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
2536         (uniform_real_distribution, normal_distribution)
2537         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
2538         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
2539         (bernoulli_distribution, binomial_distribution,geometric_distribution)
2540         (negative_binomial_distribution, exponential_distribution)
2541         (weibull_distribution, extreme_value_distribution): Add non-explicit
2542         default constructors. Remove default argument for first parameter of
2543         explicit constructors.
2544         (piecewise_constant_distribution, piecewise_linear_distribution):
2545         Make default constructor non-explicit.
2546         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
2547         non-explicit default constructors. Remove default argument for first
2548         parameter of explicit constructor.
2549         * include/ext/random
2550         (simd_fast_mersenne_twister_engine, beta_distribution)
2551         (rice_distribution, nakagami_distribution, pareto_distribution)
2552         (k_distribution, arcsine_distribution, hoyt_distribution)
2553         (triangular_distribution, von_mises_distribution)
2554         (hypergeometric_distribution, logistic_distribution)
2555         (uniform_inside_sphere_distribution): Likewise.
2556         (uniform_on_sphere_distribution): Make default constructor
2557         non-explicit.
2558         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
2559         Test for non-explicit default constructor. Fix references to standard.
2560         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
2561         Likewise.
2562         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
2563         Likewise.
2564         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
2565         Likewise.
2566         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
2567         Likewise.
2568         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
2569         Likewise.
2570         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
2571         Likewise.
2572         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
2573         Likewise.
2574         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
2575         Likewise.
2576         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
2577         Likewise.
2578         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
2579         Likewise.
2580         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
2581         Likewise.
2582         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
2583         Likewise.
2584         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
2585         Likewise.
2586         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
2587         Likewise.
2588         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
2589         Likewise.
2590         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
2591         Likewise.
2592         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
2593         Likewise.
2594         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
2595         Likewise.
2596         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
2597         Likewise.
2598         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
2599         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
2600         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
2601         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
2602         Likewise.
2603         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
2604         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
2605         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
2606         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
2607         Likewise.
2608         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
2609         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
2610         * testsuite/ext/random/triangular_distribution/cons/default.cc:
2611         Likewise.
2612         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
2613         Likewise.
2614         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
2615         Likewise.
2616         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
2617         Likewise.
2618         * testsuite/util/testsuite_common_types.h
2619         (implicitly_default_constructible): New helper.
2620
2621 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
2622
2623         * include/bits/ios_base.h (ios::Init::Init(const Init&))
2624         (ios::Init::operator=): Define as defaulted.
2625         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
2626         Likewise.
2627         * include/bits/stream_iterator.h (istream_iterator::operator=)
2628         (ostream_iterator::operator=): Likewise.
2629         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
2630         Likewise.
2631         * include/std/bitset (bitset::reference::reference(const reference&)):
2632         Likewise.
2633         * include/std/complex (complex<float>::complex(const complex&))
2634         (complex<double>::complex(const complex&))
2635         (complex<long double>::complex(const complex&)): Likewise.
2636
2637 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
2638
2639         * include/bits/regex.h (sub_match): Add noexcept to default
2640         constructor and length observer.
2641         (match_results): Add noexcept to default constructor and observers
2642         with no preconditions. Define destructor as defaulted.
2643         (operator==, operator!=, swap): Add noexcept.
2644         (regex_iterator): Add default member initializers and define default
2645         constructor and destructor as defaulted. Add noexcept to equality
2646         and dereference operators.
2647
2648 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
2649
2650         * src/c++11/debug.cc
2651         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
2652         (_Safe_iterator_base::_M_detach_single()): Likewise.
2653         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
2654         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
2655
2656 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
2657
2658         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
2659         move of const value.
2660
2661 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
2662
2663         PR c++/86068
2664         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
2665         rather than __cpp_transactional_memory >= 201505L.
2666
2667 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
2668
2669         PR libstdc++/86008
2670         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
2671         Define new partial specialization.
2672         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
2673         new overload.
2674         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
2675         value not reference for iteration.
2676         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
2677         comment.
2678         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
2679         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
2680         comment.
2681
2682 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
2683
2684         * include/std/type_traits: Fix comment typos.
2685
2686         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
2687         mingw* targets.
2688         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2689         * testsuite/experimental/filesystem/operations/read_symlink.cc:
2690         Likewise.
2691
2692 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
2693
2694         * include/bits/stl_tempbuf.h
2695         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
2696         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
2697         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
2698         * include/bits/stl_algo.h (__stable_partition): Adapt.
2699         (__inplace_merge): Adapt.
2700         (__stable_sort): Adapt.
2701
2702 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
2703
2704         PR libstdc++/85930
2705         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
2706         unconditionally. Remove redundant declaration.
2707         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
2708         alignment-specifier.
2709
2710         * include/bits/postypes.h (fpos): Define special members as defaulted.
2711
2712         PR libstdc++/85930
2713         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
2714         the static variable correctly.
2715
2716 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
2717
2718         PR libstdc++/78870 support std::filesystem on Windows
2719         * config.h.in: Regenerate.
2720         * configure: Regenerate.
2721         * configure.ac: Check for link, readlink and symlink.
2722         * include/bits/fs_path.h (path::operator/=(const path&)): Move
2723         definition out of class body.
2724         (path::is_absolute(), path::_M_append(path)): Likewise.
2725         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
2726         (operator>>(basic_istream, path&)): Likewise.
2727         (u8path): Reorder definitions and fix Windows implementation.
2728         (path::is_absolute()): Define inline and fix for Windows.
2729         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
2730         Define POSIX version inline.
2731         (path::_M_append(path)): Define inline.
2732         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
2733         definition out of class body.
2734         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
2735         escape characters.
2736         (operator>>(basic_istream, path&)): Likewise.
2737         (path::is_absolute()): Define inline and fix for Windows.
2738         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
2739         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
2740         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
2741         Define as adaptors for Windows functions/types or as
2742         using-declarations for POSIX functions/types.
2743         (_Dir_base, get_file_type): Qualify names to use declarations from
2744         __gnu_posix namespace.
2745         (_Dir_base::is_dor_or_dotdot): New helper functions.
2746         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
2747         names to use declarations from __gnu_posix namespace.
2748         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
2749         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
2750         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
2751         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
2752         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
2753         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
2754         Define as adaptors for Windows functions/types or as
2755         using-declarations for POSIX functions/types.
2756         (stat_type, do_copy_file): Qualify names to use declarations from
2757         __gnu_posix namespace.
2758         (do_space): Declare new function.
2759         (make_file_type): Only use S_ISLNK if defined.
2760         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
2761         path::value_type not char.
2762         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
2763         names to use declarations from __gnu_posix namespace.
2764         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
2765         add implementation for Windows.
2766         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
2767         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
2768         [!_PC_PATH_MAX]: Don't use pathconf.
2769         [PATH_MAX]: Use if defined.
2770         (filesystem::current_path(const path&, error_code&))
2771         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
2772         (filesystem::last_write_time, filesystem::permissions): Use names
2773         from __gnu_posix.
2774         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
2775         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
2776         implementation for Windows.
2777         (filesystem::rename, filesystem::resize_file): Use names from
2778         __gnu_posix.
2779         (filesystem::space): Use do_space.
2780         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
2781         (filesystem::status, filesystem::symlink_status): Use names from
2782         __gnu_posix.
2783         (filesystem::temp_directory_path): Add implementation for Windows.
2784         * src/filesystem/path.cc (dot): Define constant.
2785         (path::replace_extension): Use dot.
2786         (path::_M_find_extension): Likewise. Use path::string_type not
2787         std::string.
2788         (path::_M_split_cmpts): Use dot.
2789         (filesystem_error::_M_get_what): Use u8string() not native().
2790         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
2791         Qualify names to use declarations from __gnu_posix namespace.
2792         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
2793         correct error_code.
2794         (filesystem::absolute(const path&, error_code&)): Add implementation
2795         for Windows.
2796         (char_ptr, filesystem::canonical): Use path::value_type not char.
2797         (do_copy_file): Use names from __gnu_posix.
2798         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
2799         sendfile.
2800         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
2801         names to use declarations from __gnu_posix namespace.
2802         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
2803         add implementation for Windows.
2804         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
2805         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
2806         [!_PC_PATH_MAX]: Don't use pathconf.
2807         [PATH_MAX]: Use if defined.
2808         (filesystem::current_path(const path&, error_code&))
2809         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
2810         (filesystem::last_write_time, filesystem::permissions): Use names
2811         from __gnu_posix.
2812         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
2813         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
2814         implementation for Windows.
2815         (filesystem::rename, filesystem::resize_file): Use names from
2816         __gnu_posix.
2817         (do_space): Define.
2818         (filesystem::space): Use do_space.
2819         (filesystem::status, filesystem::symlink_status): Use names from
2820         __gnu_posix.
2821         (filesystem::temp_directory_path): Add implementation for Windows.
2822         * src/filesystem/std-path.cc
2823         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
2824         Define for Windows.
2825         (dot): Define constant.
2826         (path::replace_extension, is_dot): Use dot.
2827         (path::lexically_normal): Check _M_type instead of calling
2828         non-existent function.
2829         (path::_M_find_extension): Use dot. Use path::string_type not
2830         std::string.
2831         (path::_M_split_cmpts): Use dot.
2832         (filesystem_error::_M_get_what): Use u8string() not native().
2833         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
2834         use symlinks.
2835         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
2836         Likewise.
2837         * testsuite/27_io/filesystem/operations/absolute.cc: Use
2838         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
2839         * testsuite/27_io/filesystem/operations/canonical.cc: Use
2840         path::string() to get narrow string, not path::native().
2841         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
2842         with std::filesystem::path not std::basic_string.
2843         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
2844         * testsuite/27_io/filesystem/operations/exists.cc: Use
2845         __gnu_test::root_path() instead of "/".
2846         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
2847         fstreams with std::filesystem::path not std::basic_string.
2848         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
2849         path::string() to get narrow string.
2850         * testsuite/27_io/filesystem/operations/space.cc: Check results for
2851         errors, expect sensible values otherwise.
2852         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
2853         helpers for adjusting the environment on Windows.
2854         * testsuite/27_io/filesystem/path/append/path.cc: Test
2855         Windows-specific behaviour.
2856         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
2857         of path::string_type objects.
2858         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
2859         string to wide string on Windows.
2860         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
2861         for backslash as root-directory.
2862         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
2863         path::string() to get narrow string.
2864         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
2865         paths.
2866         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
2867         not std::string.
2868         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
2869         different definintion of absolute paths on Windows.
2870         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
2871         Do not use symlinks.
2872         * testsuite/experimental/filesystem/operations/absolute.cc: Test
2873         Windows behaviour.
2874         * testsuite/experimental/filesystem/operations/copy.cc: Construct
2875         fstreams with NTCTS not std::basic_string.
2876         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
2877         * testsuite/experimental/filesystem/operations/exists.cc: Use
2878         __gnu_test::root_path() instead of "/".
2879         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
2880         fstreams with NTCTS not std::basic_string.
2881         * testsuite/experimental/filesystem/operations/last_write_time.cc:
2882         Use path::string() to get narrow string.
2883         * testsuite/experimental/filesystem/operations/space.cc: Use
2884         __gnu_test::root_path() instead of "/".
2885         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
2886         Add helpers for adjusting the environment on Windows.
2887         * testsuite/experimental/filesystem/path/append/path.cc: Use
2888         path::string() to get narrow strings for comparisons.
2889         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
2890         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
2891         Likewise.
2892         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
2893         * testsuite/experimental/filesystem/path/native/string.cc: Use
2894         string_type not std::string.
2895         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
2896         Adjust for different definintion of absolute paths on Windows.
2897         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
2898         function.
2899         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
2900         std::basic_string.
2901
2902 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
2903
2904         PR libstdc++/85951
2905         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
2906         uint_least16_t and uint_least32_t.
2907         (__make_unsigned<wchar_t>): Define unconditionally.
2908         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
2909         typedefs.
2910         (__make_unsigned_selector_base): New type to provide helper templates.
2911         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
2912         __make_unsigned_selector_base helpers.
2913         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
2914         (__make_signed_selector<_Tp, true, false>): Remove intermediate
2915         typedefs.
2916         (__make_signed<wchar_t>, __make_signed<char16_t>)
2917         (__make_signed<char32_t>)): Define unconditionally.
2918         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
2919         wchar_t, char16_t and char32_t are transformed correctly.
2920         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
2921         dg-error lineno.
2922         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
2923         wchar_t, char16_t and char32_t are transformed correctly.
2924         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
2925         dg-error lineno.
2926
2927 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
2928
2929         * include/std/variant (__erased_dtor): Qualify call to __get.
2930
2931 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
2932
2933         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
2934         (_Rb_tree(const allocator_type&)): Use latter.
2935         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
2936         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
2937         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
2938         * include/bits/stl_multimap.h
2939         (multimap(const allocator_type&)): Likewise.
2940         (multimap(initializer_list<value_type>, const allocator_type&)):
2941         Likewise.
2942         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
2943         Likewise.
2944         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
2945         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
2946         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
2947         * include/bits/stl_multiset.h
2948         (multiset(const allocator_type&)): Likewise.
2949         (multiset(initializer_list<value_type>, const allocator_type&)):
2950         Likewise.
2951         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
2952         Likewise.
2953
2954 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
2955
2956         PR libstdc++/85768
2957         * src/c++11/debug.cc: Remove backtrace usage.
2958
2959 2018-05-24  Maya Rashish  <coypu@sdf.org>
2960
2961         PR target/85904
2962         * crossconfig.m4: Test for aligned_alloc on netbsd.
2963         * configure: Regenerate.
2964
2965 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
2966
2967         PR libstdc++/69769
2968         PR libstdc++/85886
2969         * include/bits/atomic_base.h (__atomic_base::value_type)
2970         (__atomic_base::difference_type): Add new typedefs.
2971         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
2972         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
2973         (atomic<T*>::operator++, atomic<T*>::operator--)
2974         (atomic<T*>::operator+=, atomic<T*>::operator-=)
2975         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
2976         to enforce C++17 requirement on pointer arithmetic.
2977         (__atomic_val_t, __atomic_diff_t): New alias templates.
2978         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
2979         (atomic_compare_exchange_weak_explicit)
2980         (atomic_compare_exchange_strong_explicit, atomic_store)
2981         (atomic_exchange, atomic_compare_exchange_weak)
2982         (atomic_compare_exchange_strong): Use __atomic_val_t to make
2983         scalar parameters be non-deduced contexts.
2984         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
2985         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
2986         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
2987         parameters.
2988         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
2989         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
2990         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
2991         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
2992         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
2993         address types.
2994         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
2995         * testsuite/29_atomics/atomic/69769.cc: New test.
2996         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
2997         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
2998         Disable test for C++17 and later.
2999         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
3000         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
3001         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
3002         test.
3003
3004 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
3005
3006         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
3007         template to alias template.
3008         (path::__value_type_is_char): Use remove_const_t.
3009         (path:_S_string_from_iter): New helper function.
3010         (path::_S_convert(InputIter, __null_terminated))
3011         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
3012         Use _S_string_from_iter.
3013         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
3014         rep for COW strings.
3015         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
3016         Change from class template to alias template.
3017         (path::__value_type_is_char): Use remove_const.
3018         (path:_S_string_from_iter): New helper function.
3019         (path::_S_convert(InputIter, __null_terminated))
3020         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
3021         Use _S_string_from_iter.
3022         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
3023         wide strings.
3024         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
3025         string equality, not path equivalence.
3026         * testsuite/27_io/filesystem/path/construct/format.cc: Check
3027         construction from std::string and std::wstring and input iterators.
3028         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
3029         construction from iterators.
3030         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
3031         exact string equality, not path equivalence.
3032         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
3033         construction from iterators.
3034
3035         * include/bits/fs_path.h (path::_M_type): Change default member
3036         initializer to _Filename.
3037         (path::begin): Create past-the-end iterator for empty path.
3038         * src/filesystem/std-path.cc (path::remove_filename()): Remove
3039         debugging check.
3040         (path::has_relative_path()): Return false for empty filenames.
3041         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
3042         Fix offset of empty final component.
3043         * testsuite/27_io/filesystem/path/itr/components.cc: New.
3044         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
3045
3046 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
3047
3048         Add support for opening file streams from wide character strings.
3049         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
3050         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
3051         Define new overload.
3052         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
3053         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
3054         Declare new overload.
3055         * configure.ac: Check for _wfopen.
3056         * crossconfig.m4: Likewise.
3057         * configure: Regenerate.
3058         * config.h.in: Regenerate.
3059         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
3060         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
3061         Define new overload.
3062         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
3063         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
3064         Declare new overload.
3065         [_GLIBCXX_HAVE__WFOPEN]
3066         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3067         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
3068         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3069         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
3070         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3071         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
3072         new overloads.
3073         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
3074         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
3075         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
3076         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
3077         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
3078         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
3079         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
3080
3081 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
3082
3083         PR libstdc++/85845
3084         * include/bits/stl_tree.h
3085         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
3086         qualification.
3087
3088 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
3089
3090         * src/filesystem/std-ops.cc (absolute): Report an error for empty
3091         paths.
3092         (weakly_canonical(const path&)): Do not call canonical on empty path.
3093         (weakly_canonical(const path&, error_code&)): Likewise.
3094         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
3095
3096         PR libstdc++/85818
3097         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
3098         dg-require-filesystem-ts.
3099
3100         PR libstdc++/85843
3101         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
3102         initialize base class to avoid warnings.
3103
3104 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
3105
3106         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
3107         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
3108         little_endian element in bitmask.
3109         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
3110         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
3111
3112 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
3113
3114         * include/bits/stl_tree.h
3115         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
3116         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
3117         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
3118         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
3119         * include/debug/map.h
3120         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
3121         * include/debug/multimap.h
3122         (multimap(multimap&&, const_allocator_type&)): Likewise.
3123         * include/debug/set.h
3124         (set(set&&, const_allocator_type&)): Likewise.
3125         * include/debug/multiset.h
3126         (multiset(multiset&&, const_allocator_type&)): Likewise.
3127         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
3128         Add checks.
3129         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
3130         Add checks.
3131         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
3132         Add checks.
3133         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
3134         Add checks.
3135         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
3136         Add checks.
3137         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
3138         Add checks.
3139         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
3140         Add checks.
3141         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
3142         Add checks.
3143
3144 2018-05-18  Jason Merrill  <jason@redhat.com>
3145
3146         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
3147         for conversion to const_iterator.  Add defaulted copy ops.
3148         * libsupc++/new (bad_alloc): Add defaulted copy ops.
3149         * libsupc++/exception.h (exception): Add defaulted copy ops.
3150         * include/std/system_error (system_error): Add defaulted copy ops.
3151         * include/std/stdexcept (domain_error, invalid_argument)
3152         (length_error, out_of_range, range_error, overflow_error)
3153         (underflow_error): Add defaulted copy ops.
3154         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
3155         copy assignment.
3156         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
3157         * include/ext/throw_allocator.h (condition_base): Add defaulted
3158         default and copy ctor and copy assignment.
3159
3160 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
3161
3162         PR libstdc++/85098
3163         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
3164         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
3165         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
3166         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
3167         definitions.
3168         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
3169         whitespace.
3170         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
3171         braces around body of do-while.
3172         * testsuite/28_regex/basic_regex/85098.cc: New
3173
3174 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
3175
3176         PR libstdc++/85818
3177         * src/filesystem/path.cc (path::preferred_separator): Add used
3178         attribute.
3179         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
3180
3181         PR libstdc++/85812
3182         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
3183         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
3184         Refactor to separate non-throwing and throwing implementations.
3185         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
3186         if constructing the object throws.
3187
3188 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
3189
3190         PR libstdc++/85749
3191         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
3192         (linear_congruential_engine, mersenne_twister_engine)
3193         (subtract_with_carry_engine, discard_block_engine)
3194         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
3195         constrain function templates taking seed sequences.
3196         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
3197         (mersenne_twister_engine::seed(_Sseq&))
3198         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
3199         match declarations.
3200         * include/ext/random (simd_fast_mersenne_twister_engine): Use
3201         __is_seed_seq to constrain function templates taking seed sequences.
3202         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
3203         Change return type to match declaration.
3204         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
3205         New.
3206         * testsuite/26_numerics/random/independent_bits_engine/cons/
3207         seed_seq2.cc: New.
3208         * testsuite/26_numerics/random/linear_congruential_engine/cons/
3209         seed_seq2.cc: New.
3210         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
3211         seed_seq2.cc: New.
3212         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
3213         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
3214         New.
3215         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
3216         seed_seq2.cc: New.
3217         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
3218         seed_seq2.cc: New.
3219
3220         PR libstdc++/83891
3221         * include/bits/fs_path.h (path::is_absolute()): Use same definition
3222         for all operating systems.
3223         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
3224         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
3225         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
3226         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
3227
3228         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
3229         unused <vector> header.
3230         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
3231         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
3232         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
3233         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
3234         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
3235         Likewise.
3236         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
3237         Likewise.
3238         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
3239         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
3240         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
3241         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
3242         * testsuite/experimental/filesystem/path/decompose/extension.cc:
3243         Likewise.
3244         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
3245         * testsuite/experimental/filesystem/path/query/has_extension.cc:
3246         Likewise.
3247         * testsuite/experimental/filesystem/path/query/has_filename.cc:
3248         Likewise.
3249         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
3250         Likewise.
3251         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
3252         Likewise.
3253         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
3254         Likewise.
3255         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
3256         Likewise.
3257         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
3258         Likewise.
3259         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
3260         * testsuite/experimental/filesystem/path/query/is_relative.cc:
3261         Likewise.
3262
3263         PR libstdc++/84159
3264         * include/bits/fs_path.h (path::operator/=, path::append): Construct
3265         temporary path before calling _M_append.
3266         (path::_M_append): Change parameter to path and implement C++17
3267         semantics.
3268         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
3269         and more examples from the standard.
3270         * testsuite/27_io/filesystem/path/append/source.cc: New.
3271         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
3272         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
3273
3274         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
3275         __invoke to prevent ADL.
3276
3277 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
3278
3279         PR libstdc++/81256
3280         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
3281         exceptions from _M_terminate_output().
3282         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
3283         exceptions from close().
3284         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
3285
3286         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
3287         (__valarray_get_storage): Call operator new directly. Remove ignored
3288         top-level restrict qualifier and add malloc attribute instead.
3289         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
3290
3291         PR libstdc++/67554
3292         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
3293         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
3294
3295         PR libstdc++/82966
3296         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
3297         instead of type.
3298         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
3299
3300 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
3301
3302         PR libstdc++/80165
3303         * testsuite/20_util/variant/80165.cc: New.
3304
3305 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3306
3307         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
3308         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
3309         of C++11 containers with Debug Mode support.
3310         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
3311         * doc/html/*: Regenerate.
3312
3313 2018-05-10  Jason Merrill  <jason@redhat.com>
3314
3315         * include/bits/regex_compiler.h (_S_cache_size): Change from
3316         function to variable.
3317
3318 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
3319
3320         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
3321         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
3322         argument defaulted to +1.  Doxy comments on same.
3323         * testsuite/special_functions/02_assoc_legendre/
3324         check_value.cc: Regen.
3325         * testsuite/tr1/5_numerical_facilities/special_functions/
3326         02_assoc_legendre/check_value.cc: Regen.
3327
3328 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3329
3330         PR libstdc++/85729
3331         * include/bits/c++config.h (__replacement_assert): Add linkage
3332         specification.
3333         * include/bits/std_abs.h: Add comment to closing brace of block.
3334         * include/c_global/cstddef: Add linkage specification.
3335         * include/c_global/cstring: Likewise.
3336         * include/c_global/cwchar: Likewise.
3337
3338 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
3339
3340         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
3341         Rename in...
3342         (_Safe_iterator<>::_S_constant()): ...that.
3343         * include/debug/safe_local_iterator.h
3344         (_Safe_local_iterator<>::_M_constant()): Rename in...
3345         (_Safe_local_iterator<>::_S_constant()): ...that.
3346         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
3347         (_Iterator_state::__rbegin): New.
3348         (_Iterator_state::__rmiddle): New.
3349         (_Iterator_state::__rend): New.
3350         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
3351         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
3352         iterator type.
3353         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
3354         _Is_iterator)): Likewise.
3355         (_Parameter::_S_reverse_state(_Iterator_state)): New.
3356         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
3357         _Is_iterator)): New.
3358         (_Parameter(std::reverse_iterator<> const&, const char*,
3359         _Is_iterator)): New.
3360         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
3361         const char*, _Is_iterator)): New.
3362         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
3363         New.
3364         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
3365         _Is_iterator)): New.
3366         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
3367         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
3368         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
3369
3370 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
3371
3372         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
3373         Use constexpr if in C++17 mode.
3374         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
3375         Copy from const object.
3376         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
3377
3378 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
3379
3380         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
3381         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
3382         backtrace.
3383
3384         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
3385         * include/debug/functions.h (__check_valid_range): Use latter.
3386         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
3387         use latter.
3388         * include/debug/deque
3389         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3390         * include/debug/forward_list
3391         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
3392         Likewise.
3393         * include/debug/list
3394         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3395         * include/debug/list
3396         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3397         * include/debug/map.h
3398         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3399         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3400         Likewise.
3401         * include/debug/multimap.h
3402         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3403         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
3404         const _Alloc&)): Likewise.
3405         * include/debug/set.h
3406         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3407         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3408         Likewise.
3409         * include/debug/multiset.h
3410         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3411         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
3412         const _Alloc&)): Likewise.
3413         * include/debug/string
3414         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
3415         Likewise.
3416         * include/debug/unordered_map
3417         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
3418         Likewise.
3419         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
3420         const _Alloc&)): Likewise.
3421         * include/debug/unordered_set
3422         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
3423         Likewise.
3424         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
3425         const _Alloc&)): Likewise.
3426         * include/debug/vector
3427         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3428
3429         * include/debug/formatter.h (_Error_formatter::_M_function): New.
3430         (_Error_formatter(const char*, unsigned int)): Adapt.
3431         (_Error_formatter::_M_at): Rename in...
3432         (_Error_formatter::_S_at): ...that and adapt.
3433         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
3434         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
3435         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
3436         when available.
3437
3438 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
3439
3440         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
3441         Use normal std::vector even in Debug Mode.
3442
3443         PR libstdc++/85672
3444         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
3445         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
3446         * include/Makefile.in: Regenerate.
3447         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
3448         within conditional block.
3449
3450 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
3451
3452         * doc/xml/manual/using.xml (table.cmd_options): Document that the
3453         C++17 Filesystem implementation also needs -lstdc++fs.
3454
3455         PR libstdc++/85671
3456         * include/bits/fs_path.h (operator/): Permit copy elision.
3457         * include/experimental/bits/fs_path.h (operator/): Likewise.
3458
3459 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
3460
3461         Moar PR libstdc++/80506
3462         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
3463         Fix magic number used in loop condition.
3464
3465 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
3466
3467         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
3468         * include/std/optional (_Optional_payload): Add noexcept to default
3469         constructor. Re-indent.
3470         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
3471         constructor for copying disengaged payloads.
3472         (_Optional_payload<_Tp, true, false, true>): Likewise.
3473         (_Optional_payload<_Tp, true, true, false>): Likewise.
3474         (_Optional_payload<_Tp, true, false, false>): Likewise.
3475         * testsuite/20_util/optional/cons/85642.cc: New.
3476         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
3477
3478 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
3479
3480         PR libstdc++/82644
3481         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
3482         inline definitions instead of using-declarations.
3483         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
3484         * testsuite/tr1/5_numerical_facilities/special_functions/
3485         07_conf_hyperg/compile_cxx17.cc: New.
3486         * testsuite/tr1/5_numerical_facilities/special_functions/
3487         17_hyperg/compile_cxx17.cc: New.
3488
3489         PR libstdc++/84769
3490         * include/std/variant (visit): Qualify std::get call.
3491
3492         PR libstdc++/85632 use uintmax_t for arithmetic
3493         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
3494         arithmetic in result type.
3495         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
3496         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
3497         is greater than free space.
3498         * testsuite/experimental/filesystem/operations/space.cc: New.
3499
3500         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
3501         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
3502         New.
3503         * testsuite/20_util/remove_cvref/value.cc: New.
3504         * testsuite/20_util/remove_cvref/value_ext.cc: New.
3505
3506         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
3507         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
3508         (append(const basic_string&, size_type, size_type)
3509         (assign(const basic_string&, size_type, size_type)
3510         (insert(size_type, const basic_string&, size_type, size_type)
3511         (replace(size_type,size_type,const basic_string&,size_type,size_type)
3512         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
3513         Add default arguments (LWG 2268).
3514         [_GLIBCXX_USE_CXX11_ABI=0]
3515         (append(const basic_string&, size_type, size_type)
3516         (assign(const basic_string&, size_type, size_type)
3517         (insert(size_type, const basic_string&, size_type, size_type)
3518         (replace(size_type,size_type,const basic_string&,size_type,size_type)
3519         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
3520         Likewise.
3521         * testsuite/21_strings/basic_string/dr2268.cc: New test.
3522
3523         PR libstdc++/84535
3524         * include/std/thread (thread::__not_same): New SFINAE helper.
3525         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
3526         first argument is not a std::thread. Add static assertion to check
3527         INVOKE expression is valid.
3528         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
3529         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
3530         __invoke_result for return types and remove exception specifications.
3531         * testsuite/30_threads/thread/cons/84535.cc: New.
3532
3533         * include/std/future (__async_result_of): Use __invoke_result instead
3534         of result_of.
3535
3536         * include/std/any (any_cast): Use __remove_cvref_t.
3537         * include/std/tuple (__make_tuple): Likewise.
3538         * include/std/type_traits (__remove_cvref_t): Define.
3539         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
3540         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
3541         * include/std/variant (__erased_hash): Use __remove_cvref_t.
3542
3543 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
3544
3545         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
3546         ensure overloaded comma not used.
3547         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
3548         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
3549         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
3550         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
3551         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
3552         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
3553         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
3554
3555 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
3556
3557         PR libstdc++/68197
3558         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
3559         indices to unsigned.
3560         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
3561         as failure. Refactor error handling.
3562         * testsuite/27_io/ios_base/storage/68197.cc: New.
3563
3564         PR libstdc++/57997
3565         PR libstdc++/83860
3566         * include/bits/gslice_array.h (gslice_array): Define default
3567         constructor as deleted, as per C++11 standard.
3568         * include/bits/mask_array.h (mask_array): Likewise.
3569         * include/bits/slice_array.h (slice_array): Likewise.
3570         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
3571         to namespace __detail.
3572         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
3573         members.
3574         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
3575         of data members in closure objects.
3576         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
3577         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
3578         __detail.
3579         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
3580         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
3581         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
3582         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
3583         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
3584         using-declarations to namespace std.
3585         * testsuite/26_numerics/valarray/83860.cc: New.
3586
3587         * testsuite/backward/strstream_move.cc: Remove duplicate function
3588         call.
3589
3590         PR libstdc++/69608
3591         * include/backward/strstream (strstreambuf): Define move constructor
3592         and move assignment operator.
3593         (istrstream, ostrstream, strstream): Likewise.
3594         * testsuite/backward/strstream_move.cc: New.
3595
3596 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
3597
3598         PR libstdc++/84654
3599         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
3600         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
3601         * configure: Regenerate.
3602         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
3603         based on ENABLE_FLOAT128.
3604         * include/Makefile.in: Regenerate.
3605         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
3606         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
3607         _GLIBCXX_USE_FLOAT128.
3608
3609 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3610
3611         * configure: Regenerated.
3612
3613 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
3614
3615         * configure: Regenerated.
3616
3617 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
3618             Jakub Jelinek  <jakub@redhat.com>
3619
3620         PR libstdc++/85442
3621         * src/c++11/Makefile.am: Don't generate debuginfo again for
3622         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
3623         * src/c++11/Makefile.in: Regenerate.
3624
3625 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
3626
3627         PR libstdc++/84442
3628         * testsuite/30_threads/thread/cons/terminate.cc
3629         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
3630
3631 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
3632
3633         PR jit/85384
3634         * configure: Regenerate.
3635
3636 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
3637
3638         * testsuite/experimental/filesystem/file_status/1.cc: Add
3639         -DUSE_FILESYSTEM_TS to dg-options.
3640         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3641         Likewise.
3642         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
3643         * testsuite/experimental/filesystem/iterators/
3644         recursive_directory_iterator.cc: Likewise.
3645         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
3646         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
3647         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
3648         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
3649         * testsuite/experimental/filesystem/operations/create_directories.cc:
3650         Likewise.
3651         * testsuite/experimental/filesystem/operations/create_directory.cc:
3652         Likewise.
3653         * testsuite/experimental/filesystem/operations/create_symlink.cc:
3654         Likewise.
3655         * testsuite/experimental/filesystem/operations/current_path.cc:
3656         Likewise.
3657         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
3658         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
3659         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
3660         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
3661         * testsuite/experimental/filesystem/operations/last_write_time.cc:
3662         Likewise.
3663         * testsuite/experimental/filesystem/operations/permissions.cc:
3664         Likewise.
3665         * testsuite/experimental/filesystem/operations/read_symlink.cc:
3666         Likewise.
3667         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
3668         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
3669         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
3670         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
3671         Likewise.
3672         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
3673         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
3674         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
3675         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
3676         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
3677         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
3678         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
3679         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
3680         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
3681         * testsuite/experimental/filesystem/path/construct/default.cc:
3682         Likewise.
3683         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
3684         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
3685         * testsuite/experimental/filesystem/path/construct/string_view.cc:
3686         Likewise.
3687         * testsuite/experimental/filesystem/path/decompose/extension.cc:
3688         Likewise.
3689         * testsuite/experimental/filesystem/path/decompose/filename.cc:
3690         Likewise.
3691         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
3692         Likewise.
3693         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
3694         Likewise.
3695         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
3696         Likewise.
3697         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
3698         Likewise.
3699         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
3700         Likewise.
3701         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
3702         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
3703         Likewise.
3704         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
3705         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
3706         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
3707         Likewise.
3708         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
3709         Likewise.
3710         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
3711         Likewise.
3712         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
3713         Likewise.
3714         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
3715         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
3716         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
3717         Likewise.
3718         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
3719         * testsuite/experimental/filesystem/path/query/has_extension.cc:
3720         Likewise.
3721         * testsuite/experimental/filesystem/path/query/has_filename.cc:
3722         Likewise.
3723         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
3724         Likewise.
3725         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
3726         Likewise.
3727         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
3728         Likewise.
3729         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
3730         Likewise.
3731         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
3732         Likewise.
3733         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
3734         * testsuite/experimental/filesystem/path/query/is_relative.cc:
3735         Likewise.
3736
3737 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
3738
3739         * src/c++11/Makefile.am: Fix sed command.
3740         * src/c++11/Makefile.in: Regenerate.
3741
3742         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
3743         handle mangled names starting with double underscores on darwin.
3744         * src/c++11/Makefile.in: Regenerate.
3745
3746 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
3747
3748         * src/c++11/Makefile.am: Fix comment.
3749         * src/c++11/Makefile.in: Regenerate.
3750         * src/c++11/cxx11-ios_failure.cc: Fix comment.
3751         * src/c++98/ios_failure.cc: Likewise.
3752
3753         * src/c++11/ios.cc: Remove redundant macro definition.
3754
3755 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
3756
3757         * doc/xml/manual/abi.xml: Document header locations in recent
3758         releases.
3759         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
3760         * doc/xml/manual/spine.xml: Update copyright years.
3761         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
3762         undefined behaviour.
3763         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
3764         * doc/html/*: Regenerate.
3765
3766 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
3767
3768         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
3769         * doc/xml/manual/backwards_compatibility.xml: Likewise.
3770         * doc/xml/manual/containers.xml: Likewise.
3771         * doc/xml/manual/debug_mode.xml: Likewise.
3772         * doc/xml/manual/extensions.xml: Likewise.
3773         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
3774         * doc/xml/manual/using.xml: Likewise.
3775         * doc/xml/manual/utilities.xml: Likewise.
3776
3777         PR libstdc++/85222
3778         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
3779         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
3780         * src/c++11/Makefile.in: Regenerate.
3781         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
3782         New types.
3783         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
3784         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
3785         * src/c++98/ios_failure.cc (__construct_ios_failure)
3786         (__destroy_ios_failure, is_ios_failure_handler): New functions.
3787         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
3788         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
3789         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
3790         handler types, to always catch std::ios_base::failure.
3791         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
3792         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
3793         exceptions_failbit.cc: Likewise.
3794         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
3795         exceptions_failbit.cc: Likewise.
3796         * testsuite/27_io/basic_istream/extractors_other/char/
3797         exceptions_null.cc: Likewise.
3798         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
3799         exceptions_null.cc: Likewise.
3800         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
3801         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
3802         * testsuite/27_io/basic_ostream/inserters_other/char/
3803         exceptions_null.cc: Likewise.
3804         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
3805         exceptions_null.cc: Likewise.
3806         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
3807
3808 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
3809
3810         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
3811         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
3812
3813 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
3814
3815         PR libstdc++/85183
3816         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
3817         value categories.
3818         * testsuite/20_util/variant/85183.cc: New.
3819
3820 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
3821
3822         * include/std/variant (__get): Qualify calls to avoid ADL.
3823         (__select_index): Adjust whitespace.
3824         (variant): Add using-declaration to workaround Clang bug.
3825
3826 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
3827
3828         PR libstdc++/85040
3829         * include/bits/stl_function.h (greater::__not_overloaded)
3830         (less::__not_overloaded, greater_equal::__not_overloaded)
3831         (less_equal::__not_overloaded): Fix ambiguous specializations.
3832         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
3833         tests for type with overloaded operators.
3834
3835 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3836
3837         PR libstdc++/77691
3838         * testsuite/experimental/memory_resource/resource_adaptor.cc:
3839         xfail execution on 32-bit Solaris/x86.
3840
3841 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
3842
3843         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
3844         VERIFY instead of assert.
3845         * testsuite/20_util/hash/84998.cc: New test.
3846         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
3847         copy of test adjusted for Debug Mode.
3848         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
3849         test in Debug Mode.
3850
3851 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
3852
3853         PR libstdc++/84998
3854         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
3855         * include/std/bitset: Likewise.
3856         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
3857         declaration.
3858         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
3859         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
3860         * include/bits/stl_set.h (std::set<>): Likewise.
3861         * include/bits/unordered_map.h (std::unordered_map<>): Fix
3862         _Hash_merge_helper friend declaration.
3863         (std::unordered_multimap<>): Likewise.
3864         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
3865         (std::unordered_multiset<>): Likewise.
3866
3867 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
3868
3869         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
3870         trailing slash for domain level link.
3871         * doc/xml/faq.xml: Ditto.
3872         * doc/xml/manual/appendix_free.xml (software): Ditto.
3873         * doc/xml/manual/intro.xml: Ditto.
3874         * doc/xml/manual/spine.xml: Ditto.
3875         * doc/xml/spine.xml: Ditto.
3876
3877 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
3878
3879         * doc/xml/manual/documentation_hacking.xml: Adjust link to
3880         docbook.org.
3881
3882 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
3883
3884         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
3885         to compile as C++98.
3886
3887 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
3888
3889         PR libstdc++/78420
3890         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
3891         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
3892         to ensure total order for pointers.
3893         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
3894         Add operator() overloads for pointer arguments and make generic
3895         overloads dispatch to new _S_cmp functions when comparisons would
3896         use built-in operators for pointers.
3897         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
3898
3899 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
3900
3901         PR libstdc++/84773
3902         PR libstdc++/83662
3903         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
3904         * configure: Regenerate.
3905         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
3906         (aligned_alloc): Add using-declaration.
3907         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
3908
3909 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
3910
3911         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
3912         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
3913         registration.
3914
3915 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
3916
3917         PR libstdc++/84769
3918         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
3919         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
3920
3921         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
3922         src/filesystem/std-ops.cc (create_dir): Likewise.
3923
3924 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
3925
3926         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
3927         (StdListIteratorPrinter): Inherit from latter.
3928         (StdFwdListIteratorPrinter): New, inherit from latter.
3929         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
3930         when iterator has no associated container.
3931         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
3932         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
3933         registrations.
3934         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
3935         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
3936
3937 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
3938
3939         PR libstdc++/84601
3940         * include/std/optional (_Optional_payload): Split into multiple
3941         specializations that can handle different cases of trivial or
3942         non-trivial assignment operators.
3943         * testsuite/20_util/optional/84601.cc: New.
3944         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
3945
3946 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
3947
3948         PR libstdc++/84671
3949         * include/bits/parse_numbers.h (_Number_help): Add partial
3950         specialization to handle digit separators. Adjust partial
3951         specialization for recursion temrination to require _Pow == 1ULL.
3952         * testsuite/20_util/duration/literals/84671.cc: New
3953
3954 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
3955
3956         Implement the missing bits of LWG 2769
3957         * include/std/any (any_cast(const any&)): Add static_assert.
3958         (any_cast(any&)): Likewise.
3959         (any_cast(any&&)): Likewise, and remove the handling
3960         for copyable-but-not-movable type.
3961         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
3962         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
3963         add new tests.
3964
3965 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
3966
3967         PR libstdc++/84532
3968         * include/std/thread (thread::__make_invoker): Construct tuple
3969         directly instead of using make_tuple.
3970         * testsuite/30_threads/async/84532.cc: New.
3971         * testsuite/30_threads/thread/84532.cc: New.
3972
3973 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
3974
3975         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
3976         (template<> __aligned_buffer): Define as __aligned_membuf alias.
3977
3978 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
3979
3980         PR target/84148
3981         * configure: Regenerate.
3982
3983 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
3984
3985         PR libstdc++/81797
3986         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
3987         * configure: Regenerate.
3988         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
3989         defined.
3990         * include/Makefile.in: Regenerate.
3991
3992 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
3993
3994         PR libstdc++/83833
3995         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
3996         Add -ffloat-store to options for m68k and ia32.
3997
3998         * doc/xml/faq.xml: Update copyright years.
3999         * doc/html/*: Regenerate.
4000
4001         PR libstdc++/83658
4002         * include/std/any (any::__do_emplace): Only set _M_manager after
4003         constructing the contained object.
4004         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
4005         * testsuite/20_util/any/modifiers/83658.cc: New test.
4006
4007 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
4008
4009         PR libstdc++/81076
4010         * include/c_global/cstddef (__byte_operand): Define primary template.
4011         * testsuite/18_support/byte/81076.cc: New test.
4012
4013 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
4014
4015         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
4016         dg-options and dg-add-options order.
4017         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
4018         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
4019         Likewise.
4020         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
4021         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
4022         Likewise.
4023         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
4024         Likewise.
4025         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
4026         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
4027         Likewise.
4028         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
4029         Likewise.
4030         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
4031         Likewise.
4032         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
4033         Likewise.
4034         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
4035         Likewise.
4036         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
4037         Likewise.
4038         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
4039         Likewise.
4040         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
4041         Likewise.
4042         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
4043         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
4044         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
4045         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
4046         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
4047         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
4048         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
4049         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
4050         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
4051         Likewise.
4052         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
4053         Likewise.
4054         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
4055         Likewise.
4056         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
4057         Likewise.
4058
4059 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
4060
4061         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
4062         include linux/types.h when checking linux/random.h header.
4063         * config.h.in: Regenerate.
4064         * configure: Ditto.
4065         * src/c++11/random.cc: Conditionally include linux/types.h.
4066
4067 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
4068
4069         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
4070
4071 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
4072
4073         PR libstdc++/83834
4074         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
4075         pattern with exact match for std::cerr.
4076
4077 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
4078
4079         PR libstdc++/83833
4080         * include/bits/random.h (chi_squared_distribution::param): Update
4081         gamma distribution parameter.
4082         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
4083         test.
4084
4085         PR libstdc++/83830
4086         * include/std/type_traits (has_unique_object_representations_v): Add
4087         variable template.
4088         * testsuite/20_util/has_unique_object_representations/value.cc: Check
4089         variable template.
4090
4091 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
4092
4093         Make optional conditionally
4094         trivially_{copy,move}_{constructible,assignable}
4095         * include/std/optional (_Optional_payload): Fix the comment in
4096         the class head and turn into a primary and one specialization.
4097         (_Optional_payload::_M_engaged): Strike the NSDMI.
4098         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
4099         New.
4100         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
4101         Likewise.
4102         (_Optional_payload<_Tp, false>::_M_get): Likewise.
4103         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
4104         (_Optional_base_impl): Likewise.
4105         (_Optional_base): Turn into a primary and three specializations.
4106         (optional(nullopt)): Change the base init.
4107         * testsuite/20_util/optional/assignment/8.cc: New.
4108         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
4109         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
4110
4111 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
4112
4113         PR libstdc++/80276
4114         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
4115         (get_template_arg_list): New.
4116         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
4117         instead.
4118         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
4119         of strings and regular expressions.
4120         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
4121         (FilteringTypePrinter): Add docstring. Match using startswith. Use
4122         strip_inline_namespaces instead of strip_versioned_namespace.
4123         (add_one_type_printer): Prepend namespace to match argument.
4124         (register_type_printers): Add type printers for char16_t and char32_t
4125         string types and for types using cxx11 ABI. Update calls to
4126         add_one_template_type_printer to provide default argument dicts.
4127         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
4128         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
4129         basic_string<unsigned char> and basic_string<signed char>.
4130         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
4131         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
4132
4133 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
4134
4135         PR libstdc++/81092
4136         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
4137
4138 2018-01-13  Tim Shen  <timshen@google.com>
4139
4140         PR libstdc++/83601
4141         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
4142         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
4143         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
4144
4145 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4146
4147         PR libstdc++/64054
4148         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
4149         Remove dg-xfail-run-if.
4150
4151 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
4152
4153         * include/bits/forward_list.h
4154         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
4155         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
4156         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
4157         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
4158         (_Fwd_list_impl()): Add noexcept qualification.
4159         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
4160         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
4161         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
4162         (_Fwd_list_base()): Default.
4163         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
4164         (_Fwd_list_base(_Fwd_list_base&&)): Default.
4165         (forward_list<>()): Default.
4166         (forward_list<>(forward_list&&)): Default.
4167         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
4168         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
4169         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
4170         * include/bits/forward_list.tcc
4171         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
4172         _M_impl._M_head move assignment.
4173         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
4174         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
4175
4176 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
4177
4178         PR libstdc++/80276
4179         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
4180         (UniquePointerPrinter): Print correct template argument, not type of
4181         the pointer.
4182         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
4183         a type.
4184         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
4185         array type.
4186         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
4187         weak_ptr of array types.
4188
4189 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
4190
4191         PR libstdc++/83709
4192         * include/bits/hashtable_policy.h
4193         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
4194         __first != __last.
4195         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
4196         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
4197         Add false_type parameter.
4198         (_Insert_base::insert): Adapt.
4199         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
4200         Adapt.
4201         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
4202          Add __n_elt parameter, defaulted to 1.
4203         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
4204         policy _M_need_rehash.
4205         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
4206         produce only 1 rehash if necessary.
4207         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
4208         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
4209
4210 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
4211             Jonathan Wakely  <jwakely@redhat.com>
4212
4213         PR libstdc++/59253 (partial)
4214         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
4215         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
4216         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
4217         children.
4218         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
4219         of unique_ptr printer.
4220         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
4221         output of shared_ptr printer.
4222
4223 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
4224
4225         PR libstdc++/83626
4226         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
4227         unnecessary symlink_status call.
4228         (remove_all(const path&, error_code&)): Use filesystem::remove.
4229         * src/filesystem/std-ops.cc: Likewise.
4230
4231         PR libstdc++/83279
4232         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
4233         sendfile.
4234
4235         PR libstdc++/83626
4236         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
4237         report an error for ENOENT.
4238         (remove_all(const path&)): Fix type of result variable.
4239         (remove_all(const path&, error_code&)): Use non-throwing increment
4240         for directory iterator. Call POSIX remove directly to avoid redundant
4241         calls to symlink_status. Do not report errors for ENOENT.
4242         * src/filesystem/std-ops.cc: Likewise.
4243         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
4244         overload.
4245         * testsuite/experimental/filesystem/operations/remove_all.cc:
4246         Likewise.
4247
4248 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
4249
4250         PR libstdc++/83626
4251         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
4252         redundant call to ec.clear().
4253         (remove_all(const path&, error_code&))): Do not return an error for
4254         non-existent paths.
4255         * src/filesystem/std-ops.cc: Likewise.
4256         * testsuite/27_io/filesystem/operations/remove.cc: New test.
4257         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
4258         results for non-existent paths.
4259         * testsuite/experimental/filesystem/operations/remove.cc: New test.
4260         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
4261         expected results for non-existent paths.
4262
4263         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
4264         check status_known once.
4265         * include/experimental/bits/fs_ops.h: Likewise.
4266
4267         PR libstdc++/83607
4268         * include/std/functional (__is_byte_like): New trait.
4269         (__is_std_equal_to): Remove.
4270         (__boyer_moore_base_t): Use __is_byte_like instead of
4271         __is_std_equal_to.
4272         * include/experimental/functional (__is_std_equal_to): Remove.
4273         (__boyer_moore_base_t): Use __is_byte_like instead of
4274         __is_std_equal_to.
4275         * testsuite/20_util/function_objects/83607.cc: New test.
4276
4277 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
4278
4279         Protect optional's deduction guide with the feature macro
4280         * include/std/optional: Use the feature macro.
4281
4282 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
4283
4284         Update copyright years.
4285 \f
4286 Copyright (C) 2018 Free Software Foundation, Inc.
4287
4288 Copying and distribution of this file, with or without modification,
4289 are permitted in any medium without royalty provided the copyright
4290 notice and this notice are preserved.