libstdc++-v3/ChangeLog

   1 2018-10-16  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         * testsuite/20_util/duration/literals/range_neg.cc: Adjust pruned
   4         diagnostic to account for quotes around 'constexpr'.
   5         * testsuite/23_containers/deque/capacity/max_size.cc: Define static
   6         variable.
   7         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
   8
   9         PR libstdc++/87618
  10         * config/abi/pre/gnu.ver: Fix typos in patterns for basic_stringbuf.
  11         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: Disable
  12         optimisation to check constructor definition can be linked to.
  13         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: Likewise.
  14
  15 2018-10-15  Jonathan Wakely  <jwakely@redhat.com>
  16
  17         * testsuite/22_locale/numpunct/members/char/3.cc: Adjust test to
  18         account for change to glibc it_IT localedata (glibc bz#10797).
  19
  20         PR libstdc++/87587
  21         * src/c++11/cxx11-shim_facets.cc: Suppress -Wabi warnings.
  22
  23 2018-10-15  François Dumont  <fdumont@gcc.gnu.org>
  24
  25         * include/debug/vector (vector<>::cbegin()): Use C++11 direct
  26         initialization.
  27         (vector<>::cend()): Likewise.
  28         (vector<>::emplace(const_iterator, _Args&&...)): Likewise and use
  29         consistent iterator comparison.
  30         (vector<>::insert(const_iterator, size_type, const _Tp&)): Likewise.
  31         (vector<>::insert(const_iterator, _InputIterator, _InputIterator)):
  32         Likewise.
  33         (vector<>::erase(const_iterator)): Likewise.
  34         (vector<>::erase(const_iterator, const_iterator)): Likewise.
  35
  36 2018-10-12  Jonathan Wakely  <jwakely@redhat.com>
  37
  38         Initial commit of Networking TS implementation.
  39         * include/Makefile.am: Add new headers.
  40         * include/Makefile.in: Regenerate.
  41         * include/experimental/bits/net.h: New header for common
  42         implementation details of Networking TS.
  43         * include/experimental/buffer: New header.
  44         * include/experimental/executor: New header.
  45         * include/experimental/internet: New header.
  46         * include/experimental/io_context: New header.
  47         * include/experimental/net: New header.
  48         * include/experimental/netfwd: New header.
  49         * include/experimental/socket: New header.
  50         * include/experimental/timer: New header.
  51         * testsuite/experimental/net/buffer/arithmetic.cc: New test.
  52         * testsuite/experimental/net/buffer/const.cc: New test.
  53         * testsuite/experimental/net/buffer/creation.cc: New test.
  54         * testsuite/experimental/net/buffer/mutable.cc: New test.
  55         * testsuite/experimental/net/buffer/size.cc: New test.
  56         * testsuite/experimental/net/buffer/traits.cc: New test.
  57         * testsuite/experimental/net/execution_context/use_service.cc: New
  58         test.
  59         * testsuite/experimental/net/headers.cc: New test.
  60         * testsuite/experimental/net/internet/address/v4/comparisons.cc: New
  61         test.
  62         * testsuite/experimental/net/internet/address/v4/cons.cc: New test.
  63         * testsuite/experimental/net/internet/address/v4/creation.cc: New
  64         test.
  65         * testsuite/experimental/net/internet/address/v4/members.cc: New
  66         test.
  67         * testsuite/experimental/net/internet/resolver/base.cc: New test.
  68         * testsuite/experimental/net/internet/resolver/ops/lookup.cc: New
  69         test.
  70         * testsuite/experimental/net/internet/resolver/ops/reverse.cc: New
  71         test.
  72         * testsuite/experimental/net/timer/waitable/cons.cc: New test.
  73         * testsuite/experimental/net/timer/waitable/dest.cc: New test.
  74         * testsuite/experimental/net/timer/waitable/ops.cc: New test.
  75
  76         PR libstdc++/77691
  77         * include/experimental/memory_resource (__resource_adaptor_imp): Do
  78         not allocate sizes smaller than alignment when relying on guaranteed
  79         alignment.
  80         * testsuite/experimental/memory_resource/new_delete_resource.cc:
  81         Adjust expected number of bytes allocated for alignof(max_align_t).
  82
  83 2018-10-11  François Dumont  <fdumont@gcc.gnu.org>
  84
  85         * include/debug/forward_list
  86         (forward_list<>::before_begin()): Use C++11 direct initialization.
  87         (forward_list<>::begin()): Likewise.
  88         (forward_list<>::end()): Likewise.
  89         (forward_list<>::cbefore_begin()): Likewise.
  90         (forward_list<>::cbegin()): Likewise.
  91         (forward_list<>::cend()): Likewise.
  92         (forward_list<>::emplace_after<>(const_iterator, _Args&&...)): Likewise.
  93         (forward_list<>::insert_after(const_iterator, const _Tp&)): Likewise.
  94         (forward_list<>::insert_after(const_iterator, _Tp&&)): Likewise.
  95         (forward_list<>::insert_after(const_iterator, size_type, const _Tp&)):
  96         Likewise.
  97         (forward_list<>::insert_after(const_iterator, initializer_list<>)):
  98         Likewise.
  99         (forward_list<>::erase_after(const_iterator)): Likewise.
 100         (forward_list<>::erase_after(const_iterator, const_iterator)): Likewise
 101         and ensure consistent iterator comparison.
 102
 103         * include/bits/forward_list.h
 104         (_Fwd_list_iterator<>::operator==): Replace member function with inline
 105         friend.
 106         (_Fwd_list_iterator<>::operator!=): Likewise.
 107         (_Fwd_list_const_iterator<>::operator==): Likewise.
 108         (_Fwd_list_const_iterator<>::operator!=): Likewise.
 109         (operator==(const _Fwd_list_iterator<>&,
 110         const _Fwd_list_const_iterator<>&)): Remove.
 111         (operator!=(const _Fwd_list_iterator<>&,
 112         const _Fwd_list_const_iterator<>&)): Remove.
 113         (forward_list<>::_Node): Take typedef from base type.
 114         (forward_list<>::iterator): Likewise.
 115         (forward_list<>::const_iterator): Likewise.
 116
 117 2018-10-11  Jonathan Wakely  <jwakely@redhat.com>
 118
 119         PR libstdc++/80538
 120         * src/c++11/thread.cc (this_thread::__sleep_for)
 121         [_GLIBCXX_HAVE_SLEEP]: Only call sleep for non-zero values.
 122         Loop while sleep call is interrupted and until steady_clock
 123         shows requested duration has elapsed.
 124         (!_GLIBCXX_HAVE_USLEEP]: Use the _GLIBCXX_HAVE_SLEEP code path, but
 125         avoiding the usleep call.
 126         * testsuite/30_threads/this_thread/60421.cc: Test repeated
 127         signal interruptions.
 128
 129         * include/bits/allocator.h
 130         (operator==(const allocator<_Tp>&, const allocator<_Tp>))
 131         (operator!=(const allocator<_Tp>&, const allocator<_Tp>)): Replace
 132         with inline friends.
 133         * include/ext/debug_allocator.h (operator==, operator!=): Replace
 134         with inline friend functions that compare to rebound allocators.
 135         * include/ext/malloc_allocator.h (operator==, operator!=): Likewise.
 136         * include/ext/new_allocator.h (operator==, operator!=): Likewise.
 137         * testsuite/ext/debug_allocator/eq.cc: New test.
 138         * testsuite/ext/ext_pointer/alloc_eq.cc: New test.
 139         * testsuite/ext/malloc_allocator/eq.cc: New test.
 140         * testsuite/ext/new_allocator/eq.cc: New test.
 141
 142 2018-10-10  Jonathan Wakely  <jwakely@redhat.com>
 143
 144         PR libstdc++/87544
 145         * include/bits/stl_vector.h (vector::_S_max_size): Limit size to
 146         PTRDIFF_MAX / sizeof(value_type).
 147         * include/ext/malloc_allocator.h (malloc_allocator::max_size):
 148         Likewise.
 149         * include/ext/new_allocator.h (new_allocator::max_size): Likewise.
 150         * testsuite/23_containers/vector/allocator/minimal.cc: Adjust
 151         expected value for max_size().
 152         * testsuite/23_containers/vector/capacity/87544.cc: New test.
 153
 154 2018-10-09  François Dumont  <fdumont@gcc.gnu.org>
 155
 156         * include/bits/stl_list.h
 157         (_List_operator<>::operator==): Replace member function with inline
 158         friend.
 159         (_List_operator<>::operator!=): Likewise.
 160         (_List_const_operator<>::operator==): Likewise.
 161         (_List_const_operator<>::operator!=): Likewise.
 162         (operator==(const _List_iterator<>&, const _List_const_iterator<>&)):
 163         Remove.
 164         (operator!=(const _List_iterator<>&, const _List_const_iterator<>&)):
 165         Remove.
 166
 167 2018-10-09  Jonathan Wakely  <jwakely@redhat.com>
 168
 169         * include/bits/stringfwd.h (string, wstring, u16string, u32string):
 170         Define typedefs outside of __cxx11 inline namespace.
 171         * python/libstdcxx/v6/printers.py (register_type_printers): Also
 172         register printers for typedefs in new location.
 173
 174 2018-10-08  Jonathan Wakely  <jwakely@redhat.com>
 175
 176         PR libstdc++/87538
 177         * testsuite/experimental/functional/87538.cc: New test.
 178
 179         PR libstdc++/87538
 180         * include/std/functional (_Not_fn::operator()): Check value of
 181         __is_nothrow_invocable as well.
 182         * testsuite/20_util/function_objects/not_fn/87538.cc: New test.
 183
 184 2018-10-08  François Dumont  <fdumont@gcc.gnu.org>
 185
 186         * include/debug/list (list<>::cbegin()): Use C++11 direct
 187         initialization.
 188         (list<>::cend()): Likewise.
 189         (list<>::emplace<>(const_iterator, _Args&&...)): Likewise.
 190         (list<>::insert(const_iterator, initializer_list<>)): Likewise.
 191         (list<>::insert(const_iterator, size_type, const _Tp&)): Likewise.
 192         (list<>::erase(const_iterator, const_iterator)): Ensure consistent
 193         iterator comparisons.
 194         (list<>::splice(const_iterator, list&&, const_iterator,
 195         const_iterator)): Likewise.
 196
 197 2018-10-05  François Dumont  <fdumont@gcc.gnu.org>
 198
 199         * include/bits/stl_tree.h
 200         (_Rb_tree_iterator<>::operator==): Make inline friend.
 201         (_Rb_tree_iterator<>::operator!=): Likewise.
 202         (_Rb_tree_const_iterator<>::operator==): Likewise.
 203         (_Rb_tree_const_iterator<>::operator!=): Likewise.
 204         (operator==(const _Rb_tree_iterator<>&,
 205         const _Rb_tree_const_iterator&)): Remove.
 206         (operator!=(const _Rb_tree_iterator<>&,
 207         const _Rb_tree_const_iterator&)): Remove.
 208         (operator==(const _Rb_tree<>&, const _Rb_tree<>&)): Make inline friend.
 209         (operator<(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
 210         (operator!=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise and
 211         deprecate.
 212         (operator>(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
 213         (operator<=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
 214         (operator>=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
 215         * include/debug/map.h (map<>::erase(const_iterator, const_iterator)):
 216         Compare __victim with _Base::cend().
 217         * include/debug/multimap.h
 218         (multimap<>::erase(const_iterator, const_iterator)): Likewise.
 219         * include/debug/set.h (set<>::erase(const_iterator, const_iterator)):
 220         Compare __victim with _Base::cend().
 221         * include/debug/multiset.h
 222         (multiset<>::erase(const_iterator, const_iterator)): Likewise.
 223
 224 2018-10-03  Jonathan Wakely  <jwakely@redhat.com>
 225
 226         PR libstdc++/59439
 227         * src/c++98/locale.cc (locale::locale(const locale&)): Bypass
 228         reference count updates for the classic locale.
 229         (locale::~locale()): Likewise.
 230         (locale::operator=(const locale&)): Likewise.
 231         * src/c++98/locale_init.cc (locale::locale()): Likewise.
 232         (locale::global(const locale&)): Likewise.
 233
 234 2018-10-03  François Dumont  <fdumont@gcc.gnu.org>
 235
 236         * include/debug/map.h
 237         (map<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
 238         (map<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 239         (map<>::insert(value_type&&)): Likewise.
 240         (map<>::insert<>(_Pair&&)): Likewise.
 241         (map<>::insert<>(const_iterator, _Pair&&)): Likewise.
 242         (map<>::try_emplace): Likewise.
 243         (map<>::insert_or_assign): Likewise.
 244         (map<>::insert(node_type&&)): Likewise.
 245         (map<>::insert(const_iterator, node_type&&)): Likewise.
 246         (map<>::erase(const_iterator)): Likewise.
 247         (map<>::erase(const_iterator, const_iterator)): Likewise.
 248         * include/debug/multimap.h
 249         (multimap<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
 250         (multimap<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 251         (multimap<>::insert<>(_Pair&&)): Likewise.
 252         (multimap<>::insert<>(const_iterator, _Pair&&)): Likewise.
 253         (multimap<>::insert(node_type&&)): Likewise.
 254         (multimap<>::insert(const_iterator, node_type&&)): Likewise.
 255         (multimap<>::erase(const_iterator)): Likewise.
 256         (multimap<>::erase(const_iterator, const_iterator)): Likewise.
 257         * include/debug/set.h
 258         (set<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
 259         (set<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 260         (set<>::insert(value_type&&)): Likewise.
 261         (set<>::insert<>(const_iterator, value_type&&)): Likewise.
 262         (set<>::insert(const_iterator, node_type&&)): Likewise.
 263         (set<>::erase(const_iterator)): Likewise.
 264         (set<>::erase(const_iterator, const_iterator)): Likewise.
 265         * include/debug/multiset.h
 266         (multiset<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
 267         (multiset<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 268         (multiset<>::insert<>(value_type&&)): Likewise.
 269         (multiset<>::insert<>(const_iterator, value_type&&)): Likewise.
 270         (multiset<>::insert(node_type&&)): Likewise.
 271         (multiset<>::insert(const_iterator, node_type&&)): Likewise.
 272         (multiset<>::erase(const_iterator)): Likewise.
 273         (multiset<>::erase(const_iterator, const_iterator)): Likewise.
 274
 275 2018-10-02  Marc Glisse  <marc.glisse@inria.fr>
 276
 277         PR libstdc++/87258
 278         * include/bits/stl_bvector.h (vector::begin(), vector::cbegin()):
 279         Rebuild _M_start with an explicit 0 offset.
 280
 281 2018-10-02  Jonathan Wakely  <jwakely@redhat.com>
 282
 283         * include/std/variant (__gen_vtable_impl::__visit_invoke): Call __get
 284         directly instead of get, as caller ensures correct index is used.
 285         (holds_alternative, get, get_if): Remove redundant inline specifiers.
 286         (_VARIANT_RELATION_FUNCTION_TEMPLATE): Likewise.
 287
 288 2018-10-02  Joseph Myers  <joseph@codesourcery.com>
 289
 290         * testsuite/lib/libstdc++.exp (libstdc++_init): Use
 291         -fno-show-column in default cxxflags.
 292
 293 2018-10-01  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 294
 295         * config/os/uclibc/os_defines.h (__NO_STRING_INLINES): Delete.
 296
 297 2018-10-01  Gerald Pfeifer  <gerald@pfeifer.com>
 298
 299         * doc/xml/manual/allocator.xml: Adjust link to "Reconsidering
 300         Custom Memory Allocation".
 301
 302 2018-10-01  Jonathan Wakely  <jwakely@redhat.com>
 303
 304         * doc/html/*: Regenerate.
 305
 306 2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
 307
 308         * doc/xml/manual/messages.xml: Switch link to www.oracle.com
 309         to https.
 310
 311 2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
 312
 313         * doc/xml/manual/policy_data_structures_biblio.xml: Update
 314         link to Microsoft Component Model Object Technologies.
 315
 316 2018-09-29  Gerald Pfeifer  <gerald@pfeifer.com>
 317
 318         * doc/xml/gnu/fdl-1.3.xml: The Free Software Foundation web
 319         site now uses https. Also omit the unnecessary trailing slash.
 320         * doc/xml/gnu/gpl-3.0.xml: Ditto.
 321
 322 2018-09-28  François Dumont  <fdumont@gcc.gnu.org>
 323
 324         * include/debug/functions.h
 325         (__foreign_iterator_aux3(const _Safe_iterator<>&, const _InputeIter&,
 326         const _InputIter&, __true_type)): Use empty() rather than begin() ==
 327         end().
 328
 329 2018-09-25  Mike Crowe  <mac@mcrowe.com>
 330
 331         * include/std/condition_variable (condition_variable::wait_for): Use
 332         steady clock in overload that uses a predicate.
 333
 334 2018-09-25  Jonathan Wakely  <jwakely@redhat.com>
 335
 336         PR libstdc++/87431
 337         * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
 338         Avoid runtime test when all alternatives are scalars and so cannot
 339         throw during initialization.
 340
 341 2018-09-25  Gerald Pfeifer  <gerald@pfeifer.com>
 342
 343         * doc/xml/manual/codecvt.xml: Move link to "UTF-8 and Unicode FAQ"
 344         to https.
 345
 346 2018-09-24  Gerald Pfeifer  <gerald@pfeifer.com>
 347
 348         * doc/xml/manual/policy_data_structures_biblio.xml: Update link
 349         to "Priority Queues and the STL".
 350
 351 2018-09-23  Gerald Pfeifer  <gerald@pfeifer.com>
 352
 353         * doc/xml/manual/using_exceptions.xml: Move boost.orgs link to
 354         https.
 355
 356 2018-09-21  François Dumont  <fdumont@gcc.gnu.org>
 357
 358         PR libstdc++/87135
 359         * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
 360         Use __builtin_floor to compute _M_next_resize.
 361         * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt.
 362         * testsuite/23_containers/unordered_set/hash_policy/prime_rehash.cc:
 363         Adapt.
 364
 365 2018-09-21  Jonathan Wakely  <jwakely@redhat.com>
 366
 367         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Remove.
 368         * testsuite/26_numerics/headers/cmath/hypot.cc: Restore test for
 369         long double unconditionally, but use lower tolerance when
 370         sizeof(long double) == sizeof(double).
 371
 372 2018-09-20  Christophe Lyon  <christophe.lyon@linaro.org>
 373
 374         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Skip
 375         on arm*.
 376
 377 2018-09-19  Jonathan Wakely  <jwakely@redhat.com>
 378
 379         * include/bits/regex_automaton.tcc (_StateSeq<_TraitsT>::_M_clone()):
 380         Remove __glibcxx_assert statements and use map::find instead of
 381         map::operator[].
 382
 383 2018-09-18  François Dumont  <fdumont@gcc.gnu.org>
 384
 385         PR libstdc++/87135
 386         * src/c++11/hashtable_c++0x.cc:
 387         (_Prime_rehash_policy::_M_next_bkt): Return a prime no smaller than
 388         requested size, but not necessarily greater.
 389         (_Prime_rehash_policy::_M_need_rehash): Rehash only if target size is
 390         strictly greater than next resize threshold.
 391         * testsuite/23_containers/unordered_map/modifiers/reserve.cc: Adapt test
 392         to validate that there is no rehash as long as number of insertion is
 393         lower or equal to the reserved number of elements.
 394
 395 2018-09-18  Jonathan Wakely  <jwakely@redhat.com>
 396
 397         * include/bits/unique_ptr.h (__uniq_ptr_impl): Remove static assertion
 398         checking invocable condition.
 399         (unique_ptr::~unique_ptr, unique_ptr::reset): Restore static assertion
 400         here, where types must be complete. Pass pointer to deleter as an
 401         rvalue.
 402         * testsuite/20_util/unique_ptr/requirements/incomplete.cc: New test.
 403
 404 2018-09-13  Jonathan Wakely  <jwakely@redhat.com>
 405
 406         * include/std/variant (variant) [__clang__]: Limit workaround to
 407         Clang 7 and older.
 408
 409 2018-09-11  Jonathan Wakely  <jwakely@redhat.com>
 410
 411         PR libstdc++/87278
 412         * include/bits/shared_ptr.h (make_shared): Use remove_cv instead of
 413         remove_const.
 414         * testsuite/20_util/shared_ptr/creation/87278.cc: New test.
 415
 416         Implement LWG 2905 changes to constrain unique_ptr constructors
 417         * include/bits/unique_ptr.h (__uniq_ptr_impl): Add assertions to
 418         check deleter type.
 419         (unique_ptr::unique_ptr(pointer, const deleter_type&)): Add copy
 420         constructible constraint.
 421         (unique_ptr::unique_ptr(pointer, deleter_type&&)): Disable for
 422         deleters of reference type and add move constructible constraint.
 423         (unique_ptr::unique_ptr(pointer, remove_reference_t<deleter_type>&&)):
 424         Disable for deleters of non-reference type. Define as deleted.
 425         (unique_ptr<T[], D>): Likewise.
 426         * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Replace dg-error
 427         directives with unstable line numbers with dg-prune-output.
 428         * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
 429         * testsuite/20_util/unique_ptr/cons/lwg2905.cc: New test.
 430         * testsuite/20_util/unique_ptr/specialized_algorithms/swap_cxx17.cc:
 431         Make deleter types invocable.
 432
 433 2018-09-05  Jonathan Wakely  <jwakely@redhat.com>
 434
 435         * libsupc++/cxxabi.h (__cxa_demangle): Clarify doxygen comment.
 436
 437 2018-09-03  Jonathan Wakely  <jwakely@redhat.com>
 438
 439         PR libstdc++/78179
 440         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: New test
 441         that runs the long double part of hypot.cc.
 442         * testsuite/26_numerics/headers/cmath/hypot.cc: Disable long double
 443         tests unless TEST_HYPOT_LONG_DOUBLE is defined.
 444
 445         * include/bits/stl_vector.h (vector::_Temporary_value::_M_ptr):
 446         Return raw pointer not allocator's pointer type.
 447         (vector::_Temporary_value::_M_val): Use _M_ptr.
 448
 449         PR libstdc++/87194
 450         * include/bits/stl_map.h
 451         (map::map(initializer_list<value_type>, const Compare&, const Alloc&))
 452         (map::map(initializer_list<value_type>, const Alloc&))
 453         (map::map(InputIterator, InputIterator, const Alloc&))
 454         (map::map(InputIterator, InputIterator))
 455         (map::map(InputIterator, InputIterator, const Compare&, const Alloc&))
 456         (map::insert(InputIterator, InputIterator)):
 457         Call _M_insert_range_unique instead of _M_insert_unique.
 458         * include/bits/stl_multimap.h
 459         (multimap::multimap(initializer_list<value_type>, const C&, const A&))
 460         (multimap::multimap(initializer_list<value_type>, const A&))
 461         (multimap::multimap(InputIterator, InputIterator, const A&))
 462         (multimap::multimap(InputIterator, InputIterator))
 463         (multimap::multimap(InputIterator, InputIterator, const C&, const A&))
 464         (multimap::insert(InputIterator, InputIterator)): Call
 465         _M_insert_range_equal instead of _M_insert_equal.
 466         * include/bits/stl_multiset.h
 467         (multiset::multiset(InputIterator, InputIterator))
 468         (multiset::multiset(InputIterator, InputIterator, const C&, const A&))
 469         (multiset::multiset(initializer_list<value_type>, const C&, const A&))
 470         (multiset::multiset(initializer_list<value_type>, const A&))
 471         (multiset::multiset(InputIterator, InputIterator, const A&))
 472         (multiset::insert(InputIterator, InputIterator)): Call
 473         _M_insert_range_equal instead of _M_insert_equal.
 474         * include/bits/stl_set.h
 475         (set::set(InputIterator, InputIterator))
 476         (set::set(InputIterator, InputIterator, const Compare&, const Alloc&))
 477         (set::set(initializer_list<value_type>, const Compare&, const Alloc&))
 478         (set::set(initializer_list<value_type>, const Alloc&))
 479         (set::set(InputIterator, InputIterator, const Alloc&))
 480         (set::insert(InputIterator, InputIterator)):
 481         Call _M_insert_range_unique instead of _M_insert_unique.
 482         * include/bits/stl_tree.h
 483         [__cplusplus >= 201103L] (_Rb_tree::__same_value_type): New alias
 484         template for SFINAE constraints.
 485         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_unique): Pair of
 486         constrained overloads that either insert or emplace, depending on
 487         iterator's value_type.
 488         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_equal): Likewise.
 489         [__cplusplus < 201103L] (_Rb_tree::_M_insert_range_unique)
 490         (_Rb_tree::_M_insert_range_equal): New functions replacing range
 491         versions of _M_insert_unique and _M_insert_equal.
 492         (_Rb_tree::_M_insert_unique(_InputIterator, _InputIterator))
 493         (_Rb_tree::_M_insert_equal(_InputIterator, _InputIterator)): Remove.
 494         * testsuite/23_containers/map/modifiers/insert/87194.cc: New test.
 495         * testsuite/23_containers/multimap/modifiers/insert/87194.cc: New test.
 496         * testsuite/23_containers/multiset/modifiers/insert/87194.cc: New test.
 497         * testsuite/23_containers/set/modifiers/insert/87194.cc: New test.
 498
 499         PR libstdc++/78595
 500         * include/bits/stl_map.h (map::insert(_Pair&&))
 501         (map::insert(const_iterator, _Pair&&)): Do emplace instead of insert.
 502         * include/bits/stl_multimap.h (multimap::insert(_Pair&&))
 503         (multimap::insert(const_iterator, _Pair&&)): Likewise.
 504         * include/bits/unordered_map.h (unordered_map::insert(_Pair&&))
 505         (unordered_map::insert(const_iterator, _Pair&&))
 506         (unordered_multimap::insert(_Pair&&))
 507         (unordered_multimap::insert(const_iterator, _Pair&&)): Likewise.
 508         * testsuite/23_containers/map/modifiers/insert/78595.cc: New test.
 509         * testsuite/23_containers/multimap/modifiers/insert/78595.cc: New test.
 510         * testsuite/23_containers/unordered_map/modifiers/78595.cc: New test.
 511         * testsuite/23_containers/unordered_multimap/modifiers/78595.cc: New
 512         test.
 513
 514 2018-09-02  François Dumont  <fdumont@gcc.gnu.org>
 515
 516         * include/debug/safe_iterator.h
 517         (_Safe_iterator<_It, _Seq, _Cat>::_Self): New.
 518         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>::_Self):
 519         New.
 520         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 521         ::_OtherSelf): New.
 522         (_GLIBCXX_DEBUG_VERIFY_OPERANDS, _GLIBCXX_DEBUG_VERIFY_EQ_OPERANDS)
 523         (_GLIBCXX_DEBUG_VERIFY_REL_OPERANDS)
 524         (_GLIBCXX_DEBUG_VERIFY_DIST_OPERANDS): Define macros.
 525         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 526         ::operator+(difference_type)): Use latters, inline as friend.
 527         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 528         ::operator-(difference_type)): Likewise.
 529         (operator==(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 530         Likewise.
 531         (operator!=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 532         Likewise.
 533         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 534         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 535         Likewise.
 536         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 537         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 538         Likewise.
 539         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 540         (operator+(difference_type, const _Safe_iterator<>&)): Likewise.
 541         (operator-(const _Safe_iterator<>&, difference_type)): Likewise.
 542         * include/debug/safe_iterator.tcc
 543         (_Safe_iterator<>::_M_can_advance(difference_type)): Take parameter by
 544         copy.
 545         * include/debug/safe_local_iterator.h
 546         (_Safe_local_iterator<_It, _Seq>::_Self): New.
 547         (_Safe_local_iterator<_It, _Seq>::_OtherSelf): New.
 548         (_GLIBCXX_DEBUG_VERIFY_OPERANDS): Define macro.
 549         (operator==(const _Safe_local_iterator<>&,
 550         const _Safe_local_iterator<>&)): Use latter, inline as friend.
 551         (operator!=(const _Safe_local_iterator<>&,
 552         const _Safe_local_iterator<>&)): Likewise.
 553         * testsuite/util/testsuite_containers.h: Include utility.
 554         (struct forward_members_unordered<_Tp, bool>): Remove 2nd template
 555         parameter.
 556         (forward_members_unordered<>::forward_members_unordered(value_type&)):
 557         Add using namespace std::rel_ops.
 558         Add iterator_concept_checks on local_iterator and const_local_iterator.
 559         Add asserts on comparison between const_local_iterator and
 560         local_iterator.
 561         (struct forward_members_unordered<_Tp, false>): Remove partial
 562         specialization.
 563         * testsuite/23_containers/forward_list/types/1.cc: New.
 564         * testsuite/23_containers/list/types/1.cc: New.
 565
 566 2018-09-01  Gerald Pfeifer  <gerald@pfeifer.com>
 567
 568         * doc/xml/manual/profile_mode.xml: Update three ieeexplore.ieee.org
 569         references.
 570
 571 2018-08-31  Sandra Loosemore  <sandra@codesourcery.com>
 572
 573         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/10.cc:
 574         Add dg-require-fileio.
 575         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/11.cc:
 576         Likewise.
 577         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/5.cc:
 578         Likewise.
 579         * testsuite/21_strings/basic_string_view/inserters/wchar_t/2.cc:
 580         Likewise.
 581         * testsuite/25_algorithms/copy/streambuf_iterators/wchar_t/4.cc:
 582         Likewise.
 583         * testsuite/25_algorithms/find/istreambuf_iterators/wchar_t/2.cc:
 584         Likewise.
 585         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-1.cc: Likewise.
 586         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-2.cc: Likewise.
 587         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-3.cc: Likewise.
 588         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-4.cc: Likewise.
 589         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/11543.cc: Likewise.
 590         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-1.cc:
 591         Likewise.
 592         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-2.cc:
 593         Likewise.
 594         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-3.cc:
 595         Likewise.
 596         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-4.cc:
 597         Likewise.
 598         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-1.cc:
 599         Likewise.
 600         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-2.cc:
 601         Likewise.
 602         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-4.cc:
 603         Likewise.
 604         * testsuite/27_io/basic_filebuf/underflow/wchar_t/2.cc: Likewise.
 605         * testsuite/27_io/basic_filebuf/underflow/wchar_t/3.cc: Likewise.
 606         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: Likewise.
 607         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: Likewise.
 608         * testsuite/27_io/basic_istream/extractors_character/wchar_t/4.cc:
 609         Likewise.
 610         * testsuite/27_io/basic_istream/extractors_other/wchar_t/2.cc:
 611         Likewise.
 612         * testsuite/27_io/basic_istream/get/wchar_t/2.cc: Likewise.
 613         * testsuite/27_io/basic_istream/getline/wchar_t/5.cc: Likewise.
 614         * testsuite/27_io/basic_istream/ignore/wchar_t/2.cc: Likewise.
 615         * testsuite/27_io/basic_istream/ignore/wchar_t/3.cc: Likewise.
 616         * testsuite/27_io/basic_istream/seekg/wchar_t/sstream.cc: Likewise.
 617         * testsuite/27_io/basic_istream/tellg/wchar_t/sstream.cc: Likewise.
 618         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: Likewise.
 619         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: Likewise.
 620         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/1.cc:
 621         Likewise.
 622         * testsuite/27_io/objects/wchar_t/10.cc: Likewise.
 623         * testsuite/27_io/objects/wchar_t/12048-1.cc: Likewise.
 624         * testsuite/27_io/objects/wchar_t/12048-2.cc: Likewise.
 625         * testsuite/27_io/objects/wchar_t/12048-3.cc: Likewise.
 626         * testsuite/27_io/objects/wchar_t/12048-4.cc: Likewise.
 627         * testsuite/27_io/objects/wchar_t/12048-5.cc: Likewise.
 628         * testsuite/experimental/string_view/inserters/wchar_t/2.cc:
 629         Likewise.
 630         * testsuite/ext/stdio_sync_filebuf/wchar_t/1.cc: Likewise.
 631
 632 2018-08-30  Sandra Loosemore  <sandra@codesourcery.com>
 633
 634         * testsuite/experimental/propagate_const/observers/1.cc: Make
 635         dependence on -fdelete-null-pointer-checks explicit.
 636
 637 2018-08-30  Jonathan Wakely  <jwakely@redhat.com>
 638
 639         * include/bits/hashtable_policy.h (__clp2): Fix calculation for LLP64
 640         targets where sizeof(size_t) > sizeof(long). Avoid undefined shifts
 641         of the number of bits in the type.
 642         * include/std/bit (__ceil2): Avoid undefined shifts.
 643         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Test values with
 644         the most signifiant bit set.
 645
 646         * config/abi/pre/gnu.ver: Add missing exports for mingw.
 647
 648         * include/ext/pointer.h (_Pointer_adapter): Define operators for
 649         pointer arithmetic using long long offsets.
 650         * testsuite/ext/ext_pointer/1.cc: Test pointer arithmetic using
 651         long long values.
 652
 653 2018-08-29  Jonathan Wakely  <jwakely@redhat.com>
 654
 655         PR libstdc++/31413
 656         * testsuite/22_locale/time_get/get_date/wchar_t/4.cc: Check D_FMT
 657         string for alternative format.
 658
 659 2018-08-28  Jonathan Wakely  <jwakely@redhat.com>
 660
 661         PR libstdc++/87116
 662         * src/filesystem/std-path.cc (path::lexically_normal): When handling
 663         a dot-dot filename, preserve an empty final component in the iteration
 664         sequence.
 665         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use preferred-separator for
 666         root-directory.
 667         * testsuite/27_io/filesystem/path/generation/normal.cc: Add new tests
 668         for more than two adjacent dot-dot filenames.
 669         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Replace slashes with
 670         preferred-separator in expected normalized strings.
 671
 672 2018-08-25  Iain Sandoe  <iain@sandoe.co.uk>
 673
 674         PR libstdc++/70694
 675         * configure.host (OPT_LDFLAGS): Don't append
 676         -fvisibility-inlines-hidden for newer Darwin.
 677
 678 2018-08-24  Marc Glisse  <marc.glisse@inria.fr>
 679
 680         PR libstdc++/86822
 681         * libsupc++/new (operator new(size_t, nothrow_t), operator
 682         new[](size_t, nothrow_t), operator new(size_t, align_val_t, nothrow_t),
 683         operator new[](size_t, align_val_t, nothrow_t)): Add malloc attribute.
 684
 685 2018-08-24  Jonathan Wakely  <jwakely@redhat.com>
 686
 687         * include/debug/deque (std::__debug::deque): Declare.
 688         * include/debug/forward_list (std::__debug::forward_list): Declare.
 689         * include/debug/list (std::__debug::list): Declare.
 690         * include/debug/map (std::__debug::map): Declare.
 691         * include/debug/set (std::__debug::set): Declare.
 692         * include/debug/unordered_map (std::__debug::unordered_map): Declare.
 693         * include/debug/unordered_set (std::__debug::unordered_set): Declare.
 694         * include/debug/vector (std::__debug::vector): Declare.
 695         * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: New test.
 696         * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: New
 697         test.
 698         * testsuite/23_containers/list/pmr_typedefs_debug.cc: New test.
 699         * testsuite/23_containers/map/pmr_typedefs_debug.cc: New test.
 700         * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: New test.
 701         * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: New test.
 702         * testsuite/23_containers/set/pmr_typedefs_debug.cc: New test.
 703         * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc: New
 704         test.
 705         * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
 706         New test.
 707         * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
 708         New test.
 709         * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc: New
 710         test.
 711         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
 712         Adjust dg-error lineno.
 713         * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: New
 714         test.
 715
 716 2018-08-23  Jonathan Wakely  <jwakely@redhat.com>
 717
 718         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
 719         Only define when RTTI is enabled.
 720
 721         * include/debug/vector (__niter_base): Define for C++98.
 722
 723         * testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
 724         Fix C++98 test to not use C++11 features.
 725         * testsuite/25_algorithms/fill_n/2.cc: Likewise.
 726
 727         * scripts/check_compile: Fix comments.
 728
 729         * include/debug/string (insert(__const_iterator, _InIter, _InIter)):
 730         [!_GLIBCXX_USE_CXX11_ABI]: Replace use of C++11-only cbegin() with
 731         begin(), for C++98 compatibility.
 732
 733         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 734         (basic_string::__const_iterator): Change access to protected.
 735         [!_GLIBCXX_USE_CXX11_ABI] (basic_string::__const_iterator): Define
 736         as typedef for iterator.
 737         * include/debug/string (__const_iterator): Use typedef from base.
 738         (insert(const_iterator, _CharT))
 739         (replace(const_iterator, const_iterator, const basic_string&))
 740         (replace(const_iterator, const_iterator, const _CharT*, size_type))
 741         (replace(const_iterator, const_iterator, const CharT*))
 742         (replace(const_iterator, const_iterator, size_type, _CharT))
 743         (replace(const_iterator, const_iterator, _InputIter, _InputIter))
 744         (replace(const_iterator, const_iterator, initializer_list<_CharT>)):
 745         Change const_iterator parameters to __const_iterator.
 746         (insert(iterator, size_type, _CharT)): Add C++98 overload.
 747         (insert(const_iterator, _InputIterator, _InputIterator)): Change
 748         const_iterator parameter to __const_iterator.
 749         [!_GLIBCXX_USE_CXX11_ABI]: Add workaround for incorrect return type
 750         of base's member function.
 751         (insert(const_iterator, size_type, _CharT)) [!_GLIBCXX_USE_CXX11_ABI]:
 752         Likewise.
 753         (insert(const_iterator, initializer_list<_CharT>))
 754         [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
 755         * testsuite/21_strings/basic_string/init-list.cc: Remove effective
 756         target directive.
 757
 758         * testsuite/20_util/reference_wrapper/lwg2993.cc: Fix C++11 test to
 759         not use C++14 feature.
 760         * testsuite/23_containers/list/68222_neg.cc: Likewise.
 761
 762         * testsuite/21_strings/basic_string/init-list.cc:
 763         Require cxx11-abi.
 764         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
 765         Likewise.
 766         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
 767         Likewise.
 768
 769         * testsuite/23_containers/deque/capacity/max_size.cc: Fix test for
 770         C++98 mode.
 771         * testsuite/23_containers/deque/modifiers/assign/1.cc: Likewise.
 772         * testsuite/23_containers/list/modifiers/assign/1.cc: Likewise.
 773         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: Likewise.
 774         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
 775         * testsuite/23_containers/vector/modifiers/assign/1.cc: Likewise.
 776
 777 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
 778
 779         PR libstdc++/87061
 780         * include/experimental/regex [!_GLIBCXX_USE_CXX11_ABI]
 781         (experimental::pmr::match_results, experimental::pmr::cmatch)
 782         (experimental::pmr::smatch, experimental::pmr::wcmatch)
 783         (experimental::pmr::wsmatch): Do not declare for gcc4-compatible ABI,
 784         because COW strings don't support C++11 allocator model.
 785         * include/experimental/string [!_GLIBCXX_USE_CXX11_ABI]
 786         (experimental::pmr::basic_string, experimental::pmr::string)
 787         (experimental::pmr::u16string, experimental::pmr::u32string)
 788         (experimental::pmr::wstring): Likewise.
 789         * include/std/regex [!_GLIBCXX_USE_CXX11_ABI] (pmr::match_results)
 790         (pmr::cmatch, pmr::smatch, pmr::wcmatch, pmr::wsmatch): Likewise.
 791         * include/std/string [!_GLIBCXX_USE_CXX11_ABI] (pmr::basic_string)
 792         (pmr::string, pmr::u16string, pmr::u32string, pmr::wstring): Likewise.
 793         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Require
 794         cxx11-abi.
 795         * testsuite/28_regex/match_results/pmr_typedefs.cc: Likewise.
 796
 797         PR libstdc++/78448
 798         * include/bits/deque.tcc (deque::_M_range_initialize): Use
 799         _S_check_init_len to check size.
 800         (deque::_M_push_back_aux, deque::_M_push_front_aux): Throw length
 801         error if size would exceed max_size().
 802         * include/bits/stl_deque.h (_Deque_base::size_type): Remove typedef.
 803         (_Deque_base(_Deque_base&&, const allocator_type&, size_t)): Use
 804         size_t instead of size_type.
 805         (deq(size_type, const allocator_type&)
 806         (deq(size_type, const value_type&, const allocator_type&)
 807         (deque::_M_initialize_dispatch): Use _S_check_init_len to check size.
 808         (deque::max_size): Call _S_max_size.
 809         (deque::_S_check_init_len, deque::_S_max_size): New functions.
 810         * include/bits/stl_vector.h (vector(size_type, const allocator_type&))
 811         (vector(size_type, const value_type&, const allocator_type&))
 812         (vector::_M_initialize_dispatch, vector::_M_range_initialize): Use
 813         _S_check_init_len to check size.
 814         (vector::max_size): Call _S_max_size.
 815         (vector::_M_check_len): Prevent max from being expanded as a
 816         function-like macro.
 817         (vector::_S_check_init_len, vector::_S_max_size): New functions.
 818         * include/bits/vector.tcc (vector::_M_assign_aux): Use
 819         _S_check_init_len to check size.
 820         * testsuite/23_containers/deque/capacity/max_size.cc: New test.
 821         * testsuite/23_containers/vector/capacity/max_size.cc: New test.
 822
 823 2018-08-22  François Dumont  <fdumont@gcc.gnu.org>
 824
 825         PR libstdc++/68222
 826         * include/debug/safe_iterator.h
 827         (_Safe_iterator<_It, _Sq, _Cat>): Add category template parameter.
 828         (_Safe_iterator<>::_Const_iterator): Remove.
 829         (_Safe_iterator<>::_IsConstant): New.
 830         (_Safe_iterator<>::_OtherIterator): New.
 831         (_Safe_iterator<_It, _Sq, _Cat>::_Safe_iterator<_MutIte>(
 832         const _Safe_iterator<_MutIte, _Sq, _Cat>&)): Add _IsConstant::__value in
 833         __gnu_cxx::__enable_if condition.
 834         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to): New.
 835         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_from_begin): New.
 836         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to_end): New.
 837         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>): New.
 838         (_Safe_iterator<_It, _Sq, _Cat>::operator--()): Move...
 839         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 840         ::operator--()): ...here.
 841         (_Safe_iterator<_It, _Sq, _Cat>::operator--(int)): Move...
 842         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 843         ::operator--(int)): ...here.
 844         (_Safe_iterator<_It, _Sq, _Cat>::_M_decrementable()): Move...
 845         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 846         ::_M_decrementable()): ...here.
 847         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>): New.
 848         (_Safe_iterator<_It, _Sq, _Cat>::operator[](const difference_type&)):
 849         Move...
 850         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 851         ::operator[](const difference_type&)): ...here.
 852         (_Safe_iterator<_It, _Sq, _Cat>::operator+=(const difference_type&)):
 853         Move...
 854         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 855         ::operator+=(const difference_type&)): ...here.
 856         (_Safe_iterator<_It, _Sq, _Cat>::operator+(const difference_type&)):
 857         Move...
 858         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 859         ::operator+(const difference_type&)): ...here.
 860         (_Safe_iterator<_It, _Sq, _Cat>::operator-=(const difference_type&)):
 861         Move...
 862         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 863         ::operator-=(const difference_type&)): ...here.
 864         (_Safe_iterator<_It, _Sq, _Cat>::operator-(const difference_type&)):
 865         Move...
 866         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 867         ::operator-(const difference_type&)): ...here.
 868         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 869         Constraint to random access iterators.
 870         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 871         Likewise.
 872         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 873         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 874         Likewise.
 875         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 876         (operator+(const difference_type&, const _Safe_iterator<>&)): Likewise.
 877         (__check_dereferenceable(const _Safe_iterator<>&)): Remove.
 878         (__get_distance): Remove.
 879         (__get_distance_from_begin): Remove.
 880         (__get_distance_to_end): Remove.
 881         (struct __is_safe_random_iterator<_Safe_iterator<>>): Remove partial
 882         specialization.
 883         (__base(const _Safe_iterator<>&, std::input_iterator_tag)): Remove.
 884         (__base(const _Safe_iterator<>&, std::random_access_iterator_tag)): Remove.
 885         (__base(const _Safe_iterator<>&)): Constraint to random access iterator.
 886         * include/debug/safe_iterator.tcc
 887         (_Safe_iterator<>::_M_get_distance_from_begin()): New.
 888         (_Safe_iterator<>::_M_get_distance_to_end()): New.
 889         (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator<>&)): New.
 890         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 891         ::_M_valid_range): New.
 892         * include/debug/safe_local_iterator.h
 893         (_Safe_local_iterator<>::_Const_local_iterator): Remove.
 894         (_Safe_local_iterator<>::_IsConstant): New.
 895         (_Safe_local_iterator<>::_OtherIterator): New.
 896         (_Safe_local_iterator<_It, _Cont>::_Safe_local_iterator<_MutIte, _Cont>(
 897         const _Safe_local_iterator<_MutIte, _Seq>&)): Add _IsConstant::__value
 898         in __gnu_cxx::__enable_if condition. If singular compare base iterator
 899         with _MutIte rather than _It.
 900         (_Safe_local_iterator<>::_S_constant): Make constexpr.
 901         (_Safe_local_iterator<>::_M_get_distance_to): New.
 902         (__check_dereferenceable(const _Safe_local_iterator<>&)): Remove.
 903         (__get_distance(const _Safe_local_iterator<>&,
 904         const _Safe_local_iterator<>&, std::input_iterator_tag)): Remove.
 905         (__valid_range(const _Safe_local_iterator<>&,
 906         const _Safe_local_iterator<>&)): New.
 907         * include/debug/safe_local_iterator.tcc
 908         (_Safe_local_iterator<>::_M_get_distance_to): New.
 909         * include/debug/deque (std::__debug::deque<>): Add
 910         ::__gnu_debug::_Safe_iterator<> friend declaration.
 911         * include/debug/forward_list (std::__debug::forward_list<>): Likewise.
 912         * include/debug/list (std::__debug::list<>): Likewise.
 913         * include/debug/map.h (std::__debug::map<>): Likewise.
 914         * include/debug/multimap.h (std::__debug::multimap<>): Likewise.
 915         * include/debug/set.h (std::__debug::set<>): Likewise.
 916         * include/debug/multiset.h (std::__debug::multiset<>): Likewise.
 917         * include/debug/string (std::__debug::basic_string<>): Likewise.
 918         * include/debug/unordered_map (std::__debug::unordered_map<>): Likewise
 919         and add ::__gnu_debug::_Safe_local_iterator<> friend declaration.
 920         (std::__debug::unordered_multimap<>): Likewise.
 921         * include/debug/unordered_set (std::__debug::unordered_set<>): Likewise.
 922         (std::__debug::unordered_multiset<>): Likewise.
 923         * include/debug/formatter.h: Adapt.
 924         * include/debug/helper_functions.h
 925         (__gnu_debug::_Safe_local_iterator<>): Add declaration.
 926         (__get_distance<_Ite>(_Ite, _Ite, std::random_access_iterator_tag):
 927         Pass parameter by copy.
 928         (__get_distance<_Ite>(_Ite, _Ite, std::input_iterator_tag): Likewise.
 929         (__get_distance<_Ite>(_Ite, _Ite): Likewise.
 930         (__valid_range_aux<_Integral>): Pass _Integral by copy.
 931         (__valid_range<_InputIterator>): Pass _InputIterator by copy.
 932         (__valid_range<>(const _Safe_iterator<>&,
 933         const _Safe_iterator<>&, typename _Distance_traits<>::__type&)):
 934         Declare.
 935         (__valid_range(const _Safe_local_iterator<>&,
 936         const _Safe_local_iterator<>&, typename _Distance_traits<>::__type&)):
 937         Declare.
 938         (__valid_range<>(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 939         Declare.
 940         (__valid_range(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&)):
 941         Declare.
 942         (__can_advance): Adapt.
 943         (struct __is_safe_random_iterator<>): Remove.
 944         (struct _SIter_base<>): Remove.
 945         * include/debug/functions.h: Include <bits/stl_iterator.h>.
 946         (__check_dereferenceable): Remove.
 947         (__foreign_iterator_aux4, __foreign_iterator_aux3): Adapt.
 948         (__foreign_iterator_aux2, __foreign_iterator_aux): Adapt.
 949         (__foreign_iterator): Adapt.
 950         * include/debug/stl_iterator.h
 951         (__is_safe_random_iterator<std::reverse_iterator<>>): Remove.
 952         (__base(const std::reverse_iterator<_Safe_iterator<_It, _Sq>)):
 953         Constraint for random access iterators.
 954         (__niter_base): Adapt.
 955         * testsuite/util/testsuite_containers.h:
 956         Include <bits/boost_concept_check.h>.
 957         (iterator_concept_checks<_It, _Mutable, _Category>): New.
 958         (citerator<_Cont>::forward_members::forward_members()): Instantiate
 959         latter for container iterator and const_iterator.
 960         * testsuite/23_containers/list/68222_neg.cc: New.
 961         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: Adapt
 962         line number.
 963         * testsuite/23_containers/unordered_set/debug/debug_functions.cc:
 964         (test01): Remove.
 965         * testsuite/23_containers/vector/debug/debug_functions.cc (test01):
 966         Remove.
 967
 968 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
 969
 970         PR libstdc++/77854
 971         * doc/xml/manual/status_cxx1998.xml: Document size_type and
 972         difference_type for containers.
 973         * doc/html/*: Regenerate.
 974
 975 2018-08-21  François Dumont  <fdumont@gcc.gnu.org>
 976
 977         P0646R1 Improving the Return Value of Erase-Like Algorithms I
 978         * include/debug/forward_list (forward_list::__remove_return_type):
 979         Define typedef as size_type or void, according to __cplusplus value.
 980         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
 981         empty, according to __cplusplus value.
 982         (_GLIBCXX20_ONLY): Define macro.
 983         (forward_list::remove, forward_list::unique): Use typedef and macro
 984         to change return type and add abi-tag for C++2a. Return number of
 985         removed elements for C++2a.
 986         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
 987         typedef to change return type for C++2a. Return number of removed
 988         elements for C++2a.
 989         * include/debug/list (list::__remove_return_type): Define typedef as
 990         size_type or void, according to __cplusplus value.
 991         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
 992         empty, according to __cplusplus value.
 993         (_GLIBCXX20_ONLY): Define macro.
 994         (list::remove, list::unique): Use typedef and macro to change return
 995         type and add abi-tag for C++2a. Return number of removed elements for
 996         C++2a.
 997         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use typedef
 998         to change return type for C++2a. Return number of removed elements for
 999         C++2a.
1000
1001 2018-08-21  David Edelsohn  <dje.gcc@gmail.com>
1002
1003         * testsuite/18_support/new_nothrow.cc: XFAIL on AIX.
1004
1005 2018-08-21  Jonathan Wakely  <jwakely@redhat.com>
1006
1007         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Remove
1008         redundant dg-do directive.
1009         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
1010         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
1011         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
1012         * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
1013
1014 2018-08-20  Jonathan Wakely  <jwakely@redhat.com>
1015
1016         PR libstdc++/86963
1017         * include/std/tuple (_Tuple_impl::operator=): Define as deleted.
1018         (_Tuple_impl::_M_assign): New functions to perform assignment instead
1019         of assignment operators.
1020         (_Tuple_impl::_M_swap): Remove exception specification.
1021         (_Tuple_impl<_Idx, _Head>): Likewise.
1022         (_TC::_NonNestedTuple, _TC::_NotSameTuple): Use __remove_cvref_t.
1023         (__tuple_base): Remove.
1024         (tuple, tuple<_T1, _T2>): Remove inheritance from __tuple_base.
1025         (tuple::operator=, tuple<_T1, _T2>::operator=): Call _M_assign.
1026         (tuple::swap, tuple<_T1, _T2>::swap): Define exception specification
1027         using __is_nothrow_swappable.
1028         (tuple<_T1, _T2>::tuple(_U1&&, _U2&&)): Use __remove_cvref_t.
1029
1030         * include/std/optional (_Optional_payload): Use variable templates
1031         for conditions in default template arguments and exception
1032         specifications.
1033         (optional): Likewise. Adjust indentation.
1034         (optional::__not_self, optional::__not_tag, optional::_Requires): New
1035         SFINAE helpers.
1036         (optional::optional): Use new helpers in constructor constraints.
1037         * include/std/type_traits (__or_v, __and_v): New variable templates.
1038         * testsuite/20_util/optional/cons/value_neg.cc: Change dg-error to
1039         dg-prune-output. Remove unused header.
1040
1041 2018-08-18  François Dumont  <fdumont@gcc.gnu.org>
1042
1043         * testsuite/25_algorithms/copy/86658.cc: Use dg-options to define
1044         _GLIBCXX_DEBUG.
1045
1046 2018-08-17  Jonathan Wakely  <jwakely@redhat.com>
1047
1048         PR libstdc++/86963
1049         * include/std/tuple (__tuple_base): New class template with deleted
1050         copy assignment operator.
1051         (tuple, tuple<_T1, _T2>): Derive from __tuple_base<tuple> so that
1052         implicit copy/move assignment operator will be deleted/suppressed.
1053         (tuple::__assignable, tuple<_T1, _T2>::__assignable): New helper
1054         functions for SFINAE constraints on assignment operators.
1055         (tuple::__nothrow_assignable, tuple<_T1, _T2>::__nothrow_assignable):
1056         New helper functions for exception specifications.
1057         (tuple::operator=(const tuple&), tuple::operator=(tuple&&))
1058         (tuple<_T1, _T2>::operator=(const tuple&))
1059         (tuple<_T1, _T2>::operator=(tuple&&)): Change parameter types to
1060         __nonesuch_no_braces when the operator should be defined implicitly.
1061         Use __nothrow_assignable for exception specifications.
1062         (tuple::operator=(const tuple<_UElements...>&))
1063         (tuple::operator=(tuple<_UElements...>&&))
1064         (tuple<_T1, _T2>::operator=(const tuple<_U1, _U2>&))
1065         (tuple<_T1, _T2>::operator=(tuple<_U1, _U2>&&))
1066         (tuple<_T1, _T2>::operator=(const pair<_U1, _U2>&))
1067         (tuple<_T1, _T2>::operator=(pair<_U1, _U2>&&)): Constrain using
1068         __assignable and use __nothrow_assignable for exception
1069         specifications.
1070         * python/libstdcxx/v6/printers.py (is_specialization_of): Accept
1071         gdb.Type as first argument, instead of a string.
1072         (StdTuplePrinter._iterator._is_nonempty_tuple): New method to check
1073         tuple for expected structure.
1074         (StdTuplePrinter._iterator.__init__): Use _is_nonempty_tuple.
1075         * testsuite/20_util/tuple/dr2729.cc: New test.
1076         * testsuite/20_util/tuple/element_access/get_neg.cc: Change dg-error
1077         to dg-prune-output.
1078
1079 2018-08-16  Jonathan Wakely  <jwakely@redhat.com>
1080
1081         * include/tr1/legendre_function.tcc (__sph_legendre): Avoid warning
1082         about signed/unsigned comparison.
1083
1084         * include/std/ostream (basic_ostream::sentry::~sentry): Suppress
1085         deprecation warnings for using uncaught_exception().
1086
1087         PR libstdc++/86447
1088         * src/c++11/cow-stdexcept.cc [_GLIBCXX_FULLY_DYNAMIC_STRING]
1089         (logic_error::logic_error(logic_error&&))
1090         (logic_error::operator=(logic_error&&))
1091         (runtime_error::runtime_error(runtime_error&&))
1092         (runtime_error::operator=(runtime_error&&)): Copy strings instead of
1093         moving, to avoid allocating empty reps for moved-from strings.
1094
1095 2018-08-15  Jonathan Wakely  <jwakely@redhat.com>
1096
1097         * include/experimental/regex: Remove begin/end macros for namespace.
1098         * include/experimental/string: Likewise.
1099         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc:
1100         New test.
1101         * testsuite/experimental/polymorphic_allocator/
1102         pmr_typedefs_forward_list.cc: New test.
1103         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc:
1104         New test.
1105         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc:
1106         New test.
1107         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
1108         New test.
1109         * testsuite/experimental/polymorphic_allocator/
1110         pmr_typedefs_multimap.cc: New test.
1111         * testsuite/experimental/polymorphic_allocator/
1112         pmr_typedefs_multiset.cc: New test.
1113         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc:
1114         New test.
1115         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
1116         New test.
1117         * testsuite/experimental/polymorphic_allocator/
1118         pmr_typedefs_unordered_map.cc: New test.
1119         * testsuite/experimental/polymorphic_allocator/
1120         pmr_typedefs_unordered_multimap.cc: New test.
1121         * testsuite/experimental/polymorphic_allocator/
1122         pmr_typedefs_unordered_multiset.cc: New test.
1123         * testsuite/experimental/polymorphic_allocator/
1124         pmr_typedefs_unordered_set.cc: New test.
1125         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc:
1126         New test.
1127
1128         * include/bits/uses_allocator.h (__uses_allocator_construct): Qualify
1129         calls to __uses_allocator_construct_impl and __use_alloc.
1130         * include/experimental/memory_resource
1131         (polymorphic_allocator::_M_construct): Remove.
1132         (polymorphic_allocator::construct): Call __uses_allocator_construct.
1133         Qualify calls to __use_alloc.
1134         * include/std/memory_resource (polymorphic_allocator::construct): Fix
1135         type in SFINAE constraint. Use constexpr if instead of tag dispatching
1136         to _S_construct overloads.
1137         (polymorphic_allocator::construct(pair<T1, T2>*, ...)): Fix order of
1138         arguments to _S_construct_p.
1139         (polymorphic_allocator::_S_construct): Remove.
1140         (polymorphic_allocator::_S_construct_p): Return allocators by value
1141         not by reference.
1142         * include/std/scoped_allocator (scoped_allocator_adaptor::construct):
1143         Qualify calls to __use_alloc.
1144         * testsuite/20_util/polymorphic_allocator/construct_pair.cc: New test,
1145         copied from testsuite/20_util/scoped_allocator/construct_pair.cc.
1146         * testsuite/experimental/polymorphic_allocator/1.cc: New test.
1147         * testsuite/experimental/polymorphic_allocator/construct_pair.cc:
1148         New test.
1149
1150         * src/c++17/memory_resource.cc [!_GLIBCXX_HAS_GTHREADS]
1151         (atomic_mem_res): Add unsynchronized definition for single-threaded.
1152
1153 2018-08-14  Jonathan Wakely  <jwakely@redhat.com>
1154
1155         PR libstdc++/86954
1156         * include/bits/stl_tempbuf.h (return_temporary_buffer): Use
1157         non-placement delete.
1158
1159         * include/std/chrono (__check_overflow): Simplify definition.
1160         (_Checked_integral_constant): Remove.
1161
1162         PR libstdc++/86846
1163         * src/c++17/default_resource.h: New file, defining default_res.
1164         * src/c++17/memory_resource.cc [ATOMIC_POINTER_LOCK_FREE != 2]
1165         (atomic_mem_res): Define alternative for atomic<memory_resource*>
1166         using a mutex instead of atomics.
1167
1168         PR libstdc++/85343
1169         * config/abi/pre/gnu.ver: Export new symbol.
1170         * doc/xml/manual/abi.xml: Document new versions.
1171         * include/bits/fstream.tcc (basic_filebuf<C, T>::underflow)
1172         (basic_filebuf<C, T>::xsgetn): Pass errno to __throw_ios_failure.
1173         * include/bits/functexcept.h (__throw_ios_failure(const char*, int)):
1174         Declare new overload.
1175         * src/c++11/cxx11-ios_failure.cc (__ios_failure): Add new constructor
1176         and static member function.
1177         (__throw_ios_failure(const char*, int)): Define.
1178         * src/c++98/ios_failure.cc [!_GLIBCXX_USE_DUAL_ABI]
1179         (__throw_ios_failure(const char*, int)): Define.
1180
1181 2018-08-14  Jeremy Sawicki  <jeremy-gcc@sawicki.us>
1182
1183         * include/ext/rope (_Rope_iterator_base(const _Rope_iterator_base&))
1184         (_Rope_const_iterator::operator=(const _Rope_const_iterator&))
1185         (_Rope_iterator::operator=(const _Rope_iterator&)): Ensure
1186         copied/assigned rope iterators don't retain pointers to the iterator
1187         they were copied/assigned from.
1188         * testsuite/ext/rope/7.cc: New.
1189
1190 2018-08-13  Jonathan Wakely  <jwakely@redhat.com>
1191
1192         PR libstdc++/45093
1193         * include/bits/stl_tree.h (_Rb_tree::_M_destroy_node(_Link_type)):
1194         Combine definitions to avoid --detect-odr-violations warning.
1195
1196         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Use
1197         __is_pow2 to check for valid alignment. Avoid branching when rounding
1198         size to multiple of alignment.
1199
1200         * include/Makefile.am: Install <bit> and <version> for freestanding.
1201         * include/Makefile.in: Regenerate.
1202         * testsuite/17_intro/freestanding.cc: Check for <bit> and <version>.
1203
1204         Revert
1205         2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
1206
1207         PR target/85904
1208         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
1209         Newlib.
1210         * configure: Regenerate.
1211
1212 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
1213
1214         PR libstdc++/68210
1215         * doc/xml/manual/intro.xml: Document LWG 206 change.
1216         * libsupc++/del_op.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
1217         * libsupc++/del_opa.cc: Likewise.
1218         * libsupc++/del_opant.cc: Likewise.
1219         * libsupc++/del_opnt.cc: Likewise. Call operator delete(ptr) instead
1220         of free(ptr).
1221         * libsupc++/del_ops.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
1222         * libsupc++/del_opsa.cc: Likewise.
1223         * libsupc++/del_opva.cc: Likewise.
1224         * libsupc++/del_opvant.cc: Likewise.
1225         * libsupc++/del_opvnt.cc: Likewise. Call operator delete[](ptr)
1226         instead of operator delete(ptr).
1227         * libsupc++/del_opvs.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
1228         * libsupc++/del_opvsa.cc: Likewise.
1229         * libsupc++/new_op.cc: Use __builtin_expect in check for zero size.
1230         * libsupc++/new_opa.cc: Use nullptr instead of literal 0.
1231         * libsupc++/new_opant.cc: Likewise. Replace _GLIBCXX_USE_NOEXCEPT
1232         with noexcept.
1233         * libsupc++/new_opnt.cc: Likewise. Call operator new(sz) instead of
1234         malloc(sz).
1235         * libsupc++/new_opvant.cc: Use nullptr and noexcept.
1236         * libsupc++/new_opvnt.cc: Likewise. Call operator new[](sz) instead of
1237         operator new(sz, nothrow).
1238         * testsuite/18_support/new_nothrow.cc: New test.
1239
1240 2018-08-10  Martin Liska  <mliska@suse.cz>
1241
1242         * libsupc++/new_op.cc (new): Remove __builtin_expect as malloc
1243         predictor can handle that.
1244         * libsupc++/new_opa.cc: Likewise.
1245         * libsupc++/new_opnt.cc (new): Likewise.
1246
1247 2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
1248
1249         PR target/85904
1250         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
1251         Newlib.
1252         * configure: Regenerate.
1253
1254 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
1255
1256         * include/std/deque (std::pmr::deque): Declare alias.
1257         * include/std/forward_list (std::pmr::forward_list): Likewise.
1258         * include/std/list (std::pmr::list): Likewise.
1259         * include/std/map (std::pmr::map, std::pmr::multimap): Likewise.
1260         * include/std/regex (std::pmr::match_results, std::pmr::cmatch)
1261         (std::pmr::smatch, std::pmr::wcmatch, std::pmr::wsmatch): Likewise.
1262         * include/std/set (std::pmr::set, std::pmr::multiset): Likewise.
1263         * include/std/string (std::pmr::basic_string, std::pmr::string)
1264         (std::pmr::u16string, std::pmr::u32string, std::pmr::wstring):
1265         Likewise.
1266         * include/std/unordered_map (std::pmr::unordered_map)
1267         (std::pmr::unordered_multimap): Likewise.
1268         * include/std/unordered_set (std::pmr::unordered_set)
1269         (std::pmr::unordered_multiset): Likewise.
1270         * include/std/vector (std::pmr::vector): Likewise.
1271         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: New test.
1272         * testsuite/23_containers/deque/types/pmr_typedefs.cc: New test.
1273         * testsuite/23_containers/forward_list/pmr_typedefs.cc: New test.
1274         * testsuite/23_containers/list/pmr_typedefs.cc: New test.
1275         * testsuite/23_containers/map/pmr_typedefs.cc: New test.
1276         * testsuite/23_containers/multimap/pmr_typedefs.cc: New test.
1277         * testsuite/23_containers/multiset/pmr_typedefs.cc: New test.
1278         * testsuite/23_containers/set/pmr_typedefs.cc: New test.
1279         * testsuite/23_containers/unordered_map/pmr_typedefs.cc: New test.
1280         * testsuite/23_containers/unordered_multimap/pmr_typedefs.cc: New
1281         test.
1282         * testsuite/23_containers/unordered_multiset/pmr_typedefs.cc: New
1283         test.
1284         * testsuite/23_containers/unordered_set/pmr_typedefs.cc: New test.
1285         * testsuite/23_containers/vector/pmr_typedefs.cc: New test.
1286         * testsuite/28_regex/match_results/pmr_typedefs.cc: New test.
1287
1288 2018-08-08  François Dumont  <fdumont@gcc.gnu.org>
1289
1290         * include/bits/stl_algo.h
1291         (__rotate(_Ite, _Ite, _Ite, forward_iterator_tag))
1292         (__rotate(_Ite, _Ite, _Ite, bidirectional_iterator_tag))
1293         (__rotate(_Ite, _Ite, _Ite, random_access_iterator_tag)): Move code
1294         duplication...
1295         (rotate(_Ite, _Ite, _Ite)): ...here.
1296         (__stable_partition_adaptive(_FIt, _FIt, _Pred, _Dist, _Pointer, _Dist)):
1297         Simplify rotate call.
1298         (__rotate_adaptive(_BIt1, _BIt1, _BIt1, _Dist, _Dist, _Bit2, _Dist)):
1299         Likewise.
1300         (__merge_without_buffer(_BIt, _BIt, _BIt, _Dist, _Dist, _Comp)):
1301         Likewise.
1302
1303 2018-08-08  Jonathan Wakely  <jwakely@redhat.com>
1304
1305         * libsupc++/new_opa.cc (aligned_alloc): Declare inside namespace to
1306         avoid clashing with an ::aligned_alloc function that was not detected
1307         by configure.
1308
1309         * doc/xml/manual/using.xml: Fix markup for empty table entry.
1310         * doc/html/*: Regenerate.
1311
1312         * doc/xml/manual/using.xml: Add missing header to table and fix typo.
1313         * doc/html/*: Regenerate.
1314
1315         PR libstdc++/86597
1316         * include/bits/fs_dir.h (directory_entry::_M_file_type(error_code&)):
1317         Clear error_code when cached type is used.
1318         * testsuite/27_io/filesystem/directory_entry/86597.cc: New test.
1319
1320 2018-08-07  Jonathan Wakely  <jwakely@redhat.com>
1321
1322         PR libstdc++/86874
1323         * include/std/variant (_Copy_ctor_base::_M_destructive_move): Define
1324         here instead of in _Move_assign_base.
1325         (_Copy_ctor_base<true, _Types...>::_M_destructive_move): Define.
1326         (_Copy_assign_base::operator=): Use _M_destructive_move when changing
1327         the contained value to another alternative.
1328         (_Move_assign_base::operator=): Likewise.
1329         (_Move_assign_base::_M_destructive_move): Remove.
1330         * testsuite/20_util/variant/86874.cc: New test.
1331
1332         PR libstdc++/86861
1333         * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] (aligned_alloc):
1334         Replace macro with inline function.
1335         [__sun]: Increase alignment to meet memalign precondition.
1336         [!HAVE__ALIGNED_MALLOC && !HAVE_POSIX_MEMALIGN && !HAVE_MEMALIGN]
1337         (aligned_alloc): Move check for valid alignment to operator new.
1338         Remove redundant check for non-zero size, it's enforced by the caller.
1339         (operator new): Move check for valid alignment here. Use
1340         __builtin_expect on check for zero size.
1341
1342         * config/abi/pre/gnu.ver: Export monotonic_buffer_resource members.
1343         * include/std/memory_resource (monotonic_buffer_resource::release):
1344         Call _M_release_buffers to free buffers.
1345         (monotonic_buffer_resource::do_allocate): Call _M_new_buffer to
1346         allocate a new buffer from upstream.
1347         (monotonic_buffer_resource::_M_new_buffer): Declare.
1348         (monotonic_buffer_resource::_M_release_buffers): Declare.
1349         (monotonic_buffer_resource::_Chunk): Replace definition with
1350         declaration as opaque type.
1351         * src/c++17/memory_resource.cc (monotonic_buffer_resource::_Chunk):
1352         Define.
1353         (monotonic_buffer_resource::_M_new_buffer): Define.
1354         (monotonic_buffer_resource::_M_release_buffers): Define.
1355
1356 2018-08-05  François Dumont  <fdumont@gcc.gnu.org>
1357
1358         * include/bits/stl_iterator.h: Fix comment.
1359
1360 2018-08-03  Jonathan Wakely  <jwakely@redhat.com>
1361
1362         * src/c++11/system_error.cc
1363         (system_error_category::default_error_condition): Add workaround for
1364         ENOTEMPTY and EEXIST having the same value on AIX.
1365         * testsuite/19_diagnostics/error_category/system_category.cc: Add
1366         extra testcases for EDOM, EILSEQ, ERANGE, EEXIST and ENOTEMPTY.
1367
1368 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
1369
1370         * configure: Regenerate.
1371         * configure.ac: Add -D_GLIBCXX_ASSERTIONS to default DEBUG_FLAGS.
1372         * src/c++11/futex.cc: Use __glibcxx_assert instead of
1373         _GLIBCXX_DEBUG_ASSERT.
1374
1375 2018-08-01  Mike Crowe  <mac@mcrowe.com>
1376
1377         * include/std/condition_variable (wait_for): Use steady_clock.
1378
1379 2018-08-01  Mike Crowe  <mac@mcrowe.com>
1380
1381         * include/std/condition_variable (wait_until): Only report timeout
1382         if we really have timed out when measured against the
1383         caller-supplied clock.
1384         * testsuite/30_threads/condition_variable/members/2.cc: Add test
1385         case to confirm above behaviour.
1386
1387 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
1388
1389         PR libstdc++/60555
1390         * src/c++11/system_error.cc
1391         (system_error_category::default_error_condition): New override to
1392         check for POSIX errno values.
1393         * testsuite/19_diagnostics/error_category/generic_category.cc: New
1394         * testsuite/19_diagnostics/error_category/system_category.cc: New
1395         test.
1396
1397 2018-07-31  Jonathan Wakely  <jwakely@redhat.com>
1398
1399         PR libstdc++/86751
1400         * include/bits/stl_pair.h (__pair_base): New class with deleted copy
1401         assignment operator.
1402         (pair): Derive from __pair_base.
1403         (pair::operator=): Remove deleted overload.
1404         * python/libstdcxx/v6/printers.py (StdPairPrinter): New pretty printer
1405         so that new base class isn't shown in GDB.
1406         * testsuite/20_util/pair/86751.cc: New test.
1407         * testsuite/20_util/pair/ref_assign.cc: New test.
1408
1409         * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
1410         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Move definitions here.
1411         (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Likewise. Use !__is_identifier
1412         instead of __has_builtin.
1413         * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
1414         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Remove definitions from here.
1415         * include/std/version [!_GLIBCXX_HAS_GTHREADS]
1416         (__cpp_lib_shared_timed_mutex, __cpp_lib_scoped_lock)
1417         (__cpp_lib_shared_mutex): Don't define when Gthreads not in use.
1418         [!_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP]
1419         (__cpp_lib_has_unique_object_representations): Don't define when
1420         builtin not available.
1421         [!_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE] (__cpp_lib_is_aggregate):
1422         Likewise.
1423         [!_GLIBCXX_HAVE_BUILTIN_LAUNDER] (__cpp_lib_launder): Likewise.
1424         * libsupc++/new (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Remove definition
1425         from here.
1426
1427         * doc/xml/manual/test.xml: Improve documentation on writing tests for
1428         newer standards.
1429         * doc/xml/manual/using.xml: Document all headers for C++11 and later.
1430         * doc/html/*: Regenerate.
1431
1432         * include/ext/pointer.h [__cplusplus >= 201103L]
1433         (_Pointer_adapter::operator bool): Add explicit conversion operator
1434         to replace safe bool idiom.
1435
1436 2018-07-30  Jonathan Wakely  <jwakely@redhat.com>
1437
1438         PR libstdc++/86734
1439         * include/bits/stl_iterator.h (reverse_iterator::operator->): Call
1440         _S_to_pointer (LWG 1052, LWG 2118).
1441         (reverse_iterator::_S_to_pointer): Define overloaded helper functions.
1442         * testsuite/24_iterators/reverse_iterator/dr1052.cc: New test.
1443         * testsuite/24_iterators/reverse_iterator/dr2188.cc: New test.
1444
1445         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Add
1446         workaround for aligned_alloc bug on AIX.
1447         * testsuite/18_support/new_aligned.cc: New test.
1448
1449 2018-07-26  Marek Polacek  <polacek@redhat.com>
1450
1451         * testsuite/30_threads/condition_variable_any/cond.cc: New.
1452
1453 2018-07-26  Marek Polacek  <polacek@redhat.com>
1454
1455         * src/c++98/locale_init.cc: Fix #ifdef condition.
1456
1457 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
1458
1459         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: Add
1460         dg-require-cstdint directive.
1461         * testsuite/20_util/allocator/overaligned.cc: Likewise.
1462         * testsuite/20_util/any/cons/aligned.cc: Likewise.
1463         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: Likewise.
1464         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: Likewise.
1465         * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
1466         Likewise.
1467         * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
1468         * testsuite/23_containers/list/modifiers/insert/25288.cc: Likewise.
1469         * testsuite/23_containers/set/allocator/move_assign.cc: Likewise.
1470         * testsuite/25_algorithms/make_heap/complexity.cc: Likewise.
1471         * testsuite/25_algorithms/pop_heap/complexity.cc: Require cstdint and
1472         random_device effective-target.
1473         * testsuite/25_algorithms/push_heap/complexity.cc: Likewise.
1474         * testsuite/25_algorithms/sample/1.cc: Require cstdint.
1475         * testsuite/25_algorithms/sample/2.cc: Likewise.
1476         * testsuite/25_algorithms/sort_heap/complexity.cc: Require cstdint
1477         and random_device.
1478         * testsuite/26_numerics/headers/random/types_std_c++0x.cc: Require
1479         cstdint.
1480         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
1481         Likewise.
1482         * testsuite/26_numerics/random/discard_block_engine/requirements/
1483         constexpr_data.cc: Likewise.
1484         * testsuite/26_numerics/random/discard_block_engine/requirements/
1485         constexpr_functions.cc: Likewise.
1486         * testsuite/26_numerics/random/independent_bits_engine/requirements/
1487         constexpr_functions.cc: Likewise.
1488         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
1489         constexpr_data.cc: Likewise.
1490         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
1491         constexpr_functions.cc: Likewise.
1492         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
1493         constexpr_data.cc: Likewise.
1494         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
1495         constexpr_functions.cc: Likewise.
1496         * testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
1497         * testsuite/26_numerics/random/seed_seq/cons/65631.cc: Likewise.
1498         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
1499         constexpr_data.cc: Add dg-require-cstdint directive.
1500         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
1501         constexpr_functions.cc: Likewise.
1502         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
1503         constexpr_data.cc: Likewise.
1504         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
1505         constexpr_functions.cc: Likewise.
1506         * testsuite/26_numerics/random/uniform_real_distribution/operators/
1507         64351.cc: Likewise.
1508         * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc: Likewise.
1509         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
1510         * testsuite/experimental/algorithm/sample.cc: Likewise.
1511         * testsuite/experimental/algorithm/search.cc: Likewise.
1512         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
1513         * testsuite/experimental/any/cons/aligned.cc: Likewise.
1514         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1515         Likewise.
1516         * testsuite/experimental/memory_resource/resource_adaptor.cc: Likewise.
1517         * testsuite/experimental/random/randint.cc: Likewise.
1518         * testsuite/experimental/source_location/1.cc: Likewise.
1519         * testsuite/ext/bitmap_allocator/overaligned.cc: Likewise.
1520         * testsuite/ext/malloc_allocator/overaligned.cc: Likewise.
1521         * testsuite/ext/mt_allocator/overaligned.cc: Likewise.
1522         * testsuite/ext/new_allocator/overaligned.cc: Likewise.
1523         * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
1524         * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
1525         * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
1526         * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
1527         * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
1528         * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
1529         * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
1530         * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
1531         * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
1532         * testsuite/ext/pool_allocator/overaligned.cc: Likewise.
1533         * testsuite/ext/throw_allocator/check_allocate_max_size.cc: Likewise.
1534         * testsuite/ext/throw_allocator/check_deallocate_null.cc: Likewise.
1535         * testsuite/ext/throw_allocator/check_delete.cc: Likewise.
1536         * testsuite/ext/throw_allocator/check_new.cc: Likewise.
1537         * testsuite/ext/throw_allocator/deallocate_global.cc: Likewise.
1538         * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
1539         * testsuite/ext/throw_allocator/explicit_instantiation.cc: Likewise.
1540         * testsuite/ext/throw_allocator/variadic_construct.cc: Likewise.
1541         * testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Likewise.
1542
1543         * testsuite/30_threads/recursive_mutex/cons/1.cc: Likewise.
1544         * testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise.
1545         * testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise.
1546         * testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc:
1547         Likewise.
1548         * testsuite/30_threads/recursive_mutex/lock/1.cc: Likewise.
1549         * testsuite/30_threads/recursive_mutex/native_handle/1.cc: Likewise.
1550         * testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc:
1551         Likewise.
1552         * testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc:
1553         Likewise.
1554         * testsuite/30_threads/recursive_mutex/requirements/typedefs.cc:
1555         Likewise.
1556         * testsuite/30_threads/recursive_mutex/try_lock/1.cc: Likewise.
1557         * testsuite/30_threads/recursive_mutex/try_lock/2.cc: Likewise.
1558         * testsuite/30_threads/recursive_mutex/unlock/1.cc: Likewise.
1559         * testsuite/30_threads/recursive_mutex/unlock/2.cc: Likewise.
1560         * testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Likewise.
1561         * testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
1562         Likewise.
1563         * testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
1564         Likewise.
1565         * testsuite/30_threads/recursive_timed_mutex/dest/
1566         destructor_locked.cc: Likewise.
1567         * testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
1568         * testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
1569         * testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc:
1570         Likewise.
1571         * testsuite/30_threads/recursive_timed_mutex/native_handle/
1572         typesizes.cc: Likewise.
1573         * testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc:
1574         Likewise.
1575         * testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc:
1576         Likewise.
1577         * testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc:
1578         Likewise.
1579         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
1580         Likewise.
1581         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
1582         Likewise.
1583         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
1584         Likewise.
1585         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
1586         Likewise.
1587         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
1588         Likewise.
1589         * testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
1590         * testsuite/30_threads/recursive_timed_mutex/unlock/2.cc: Likewise.
1591         * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
1592         * testsuite/30_threads/scoped_lock/requirements/
1593         explicit_instantiation.cc: Likewise.
1594         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
1595         * testsuite/30_threads/shared_future/cons/assign.cc: Likewise.
1596         * testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise.
1597         * testsuite/30_threads/shared_future/cons/copy.cc: Likewise.
1598         * testsuite/30_threads/shared_future/cons/default.cc: Likewise.
1599         * testsuite/30_threads/shared_future/cons/move.cc: Likewise.
1600         * testsuite/30_threads/shared_future/cons/move_assign.cc: Likewise.
1601         * testsuite/30_threads/shared_future/members/45133.cc: Likewise.
1602         * testsuite/30_threads/shared_future/members/get.cc: Likewise.
1603         * testsuite/30_threads/shared_future/members/get2.cc: Likewise.
1604         * testsuite/30_threads/shared_future/members/valid.cc: Likewise.
1605         * testsuite/30_threads/shared_future/members/wait.cc: Likewise.
1606         * testsuite/30_threads/shared_future/members/wait_for.cc: Likewise.
1607         * testsuite/30_threads/shared_future/members/wait_until.cc: Likewise.
1608         * testsuite/30_threads/shared_future/requirements/
1609         explicit_instantiation.cc: Likewise.
1610         * testsuite/30_threads/shared_lock/cons/1.cc: Likewise.
1611         * testsuite/30_threads/shared_lock/cons/2.cc: Likewise.
1612         * testsuite/30_threads/shared_lock/cons/3.cc: Likewise.
1613         * testsuite/30_threads/shared_lock/cons/4.cc: Likewise.
1614         * testsuite/30_threads/shared_lock/cons/5.cc: Likewise.
1615         * testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
1616         * testsuite/30_threads/shared_lock/locking/1.cc: Likewise.
1617         * testsuite/30_threads/shared_lock/locking/2.cc: Likewise.
1618         * testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
1619         * testsuite/30_threads/shared_lock/locking/4.cc: Likewise.
1620         * testsuite/30_threads/shared_lock/modifiers/1.cc: Likewise.
1621         * testsuite/30_threads/shared_lock/requirements/
1622         explicit_instantiation.cc: Likewise.
1623         * testsuite/30_threads/shared_lock/requirements/typedefs.cc: Likewise.
1624         * testsuite/30_threads/shared_mutex/cons/1.cc: Likewise.
1625         * testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Likewise.
1626         * testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Likewise.
1627         * testsuite/30_threads/shared_mutex/requirements/standard_layout.cc:
1628         Likewise.
1629         * testsuite/30_threads/shared_mutex/try_lock/1.cc: Likewise.
1630         * testsuite/30_threads/shared_mutex/try_lock/2.cc: Likewise.
1631         * testsuite/30_threads/shared_mutex/unlock/1.cc: Likewise.
1632         * testsuite/30_threads/shared_timed_mutex/cons/1.cc: Likewise.
1633         * testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc: Likewise.
1634         * testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc: Likewise.
1635         * testsuite/30_threads/shared_timed_mutex/requirements/
1636         standard_layout.cc: Likewise.
1637         * testsuite/30_threads/shared_timed_mutex/try_lock/1.cc: Likewise.
1638         * testsuite/30_threads/shared_timed_mutex/try_lock/2.cc: Likewise.
1639         * testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: Likewise.
1640         * testsuite/30_threads/shared_timed_mutex/unlock/1.cc: Likewise.
1641         * testsuite/30_threads/this_thread/1.cc: Likewise.
1642         * testsuite/30_threads/this_thread/2.cc: Likewise.
1643         * testsuite/30_threads/this_thread/3.cc: Likewise.
1644         * testsuite/30_threads/this_thread/4.cc: Likewise.
1645         * testsuite/30_threads/this_thread/58038.cc: Likewise.
1646         * testsuite/30_threads/thread/70503.cc: Likewise.
1647         * testsuite/30_threads/thread/84532.cc: Likewise.
1648         * testsuite/30_threads/thread/adl.cc: Likewise.
1649         * testsuite/30_threads/thread/cons/1.cc: Likewise.
1650         * testsuite/30_threads/thread/cons/2.cc: Likewise.
1651         * testsuite/30_threads/thread/cons/3.cc: Likewise.
1652         * testsuite/30_threads/thread/cons/4.cc: Likewise.
1653         * testsuite/30_threads/thread/cons/49668.cc: Likewise.
1654         * testsuite/30_threads/thread/cons/5.cc: Likewise.
1655         * testsuite/30_threads/thread/cons/6.cc: Likewise.
1656         * testsuite/30_threads/thread/cons/7.cc: Likewise.
1657         * testsuite/30_threads/thread/cons/8.cc: Likewise.
1658         * testsuite/30_threads/thread/cons/84535.cc: Likewise.
1659         * testsuite/30_threads/thread/cons/9.cc: Likewise.
1660         * testsuite/30_threads/thread/cons/assign_neg.cc: Likewise.
1661         * testsuite/30_threads/thread/cons/copy_neg.cc: Likewise.
1662         * testsuite/30_threads/thread/cons/lwg2097.cc: Likewise.
1663         * testsuite/30_threads/thread/cons/moveable.cc: Likewise.
1664         * testsuite/30_threads/thread/cons/terminate.cc: Likewise.
1665         * testsuite/30_threads/thread/id/operators.cc: Likewise.
1666         * testsuite/30_threads/thread/members/1.cc: Likewise.
1667         * testsuite/30_threads/thread/members/2.cc: Likewise.
1668         * testsuite/30_threads/thread/members/3.cc: Likewise.
1669         * testsuite/30_threads/thread/members/4.cc: Likewise.
1670         * testsuite/30_threads/thread/members/5.cc: Likewise.
1671         * testsuite/30_threads/thread/members/hardware_concurrency.cc:
1672         Likewise.
1673         * testsuite/30_threads/thread/native_handle/cancel.cc: Likewise.
1674         * testsuite/30_threads/thread/swap/1.cc: Likewise.
1675         * testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
1676         * testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
1677         * testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
1678         * testsuite/30_threads/timed_mutex/dest/destructor_locked.cc: Likewise.
1679         * testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
1680         * testsuite/30_threads/timed_mutex/native_handle/1.cc: Likewise.
1681         * testsuite/30_threads/timed_mutex/native_handle/typesizes.cc:
1682         Likewise.
1683         * testsuite/30_threads/timed_mutex/requirements/
1684         standard_layout.cc: Likewise.
1685         * testsuite/30_threads/timed_mutex/requirements/typedefs.cc: Likewise.
1686         * testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
1687         * testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
1688         * testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
1689         * testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
1690         * testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
1691         * testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
1692         * testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
1693         * testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise.
1694         * testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
1695         * testsuite/30_threads/timed_mutex/unlock/2.cc: Likewise.
1696         * testsuite/30_threads/try_lock/1.cc: Likewise.
1697         * testsuite/30_threads/try_lock/2.cc: Likewise.
1698         * testsuite/30_threads/try_lock/3.cc: Likewise.
1699         * testsuite/30_threads/try_lock/4.cc: Likewise.
1700         * testsuite/30_threads/unique_lock/cons/1.cc: Likewise.
1701         * testsuite/30_threads/unique_lock/cons/2.cc: Likewise.
1702         * testsuite/30_threads/unique_lock/cons/3.cc: Likewise.
1703         * testsuite/30_threads/unique_lock/cons/4.cc: Likewise.
1704         * testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
1705         * testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
1706         * testsuite/30_threads/unique_lock/locking/1.cc: Likewise.
1707         * testsuite/30_threads/unique_lock/locking/2.cc: Likewise.
1708         * testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
1709         * testsuite/30_threads/unique_lock/locking/4.cc: Likewise.
1710         * testsuite/30_threads/unique_lock/modifiers/1.cc: Likewise.
1711         * testsuite/30_threads/unique_lock/requirements/
1712         explicit_instantiation.cc: Likewise.
1713         * testsuite/30_threads/unique_lock/requirements/typedefs.cc: Likewise.
1714
1715         * testsuite/30_threads/async/42819.cc: Remove dg-require-cstdint
1716         directive.
1717         * testsuite/30_threads/async/49668.cc: Likewise.
1718         * testsuite/30_threads/async/54297.cc: Likewise.
1719         * testsuite/30_threads/async/84532.cc: Likewise.
1720         * testsuite/30_threads/async/any.cc: Likewise.
1721         * testsuite/30_threads/async/async.cc: Likewise.
1722         * testsuite/30_threads/async/except.cc: Likewise.
1723         * testsuite/30_threads/async/forced_unwind.cc: Likewise.
1724         * testsuite/30_threads/async/launch.cc: Likewise.
1725         * testsuite/30_threads/async/lwg2021.cc: Likewise.
1726         * testsuite/30_threads/async/sync.cc: Likewise.
1727         * testsuite/30_threads/call_once/39909.cc: Likewise.
1728         * testsuite/30_threads/call_once/49668.cc: Likewise.
1729         * testsuite/30_threads/call_once/60497.cc: Likewise.
1730         * testsuite/30_threads/call_once/call_once1.cc: Likewise.
1731         * testsuite/30_threads/call_once/constexpr.cc: Likewise.
1732         * testsuite/30_threads/call_once/dr2442.cc: Likewise.
1733         * testsuite/30_threads/call_once/once_flag.cc: Likewise.
1734         * testsuite/30_threads/condition_variable/54185.cc: Likewise.
1735         * testsuite/30_threads/condition_variable/cons/1.cc: Likewise.
1736         * testsuite/30_threads/condition_variable/cons/assign_neg.cc:
1737         Likewise.
1738         * testsuite/30_threads/condition_variable/cons/copy_neg.cc: Likewise.
1739         * testsuite/30_threads/condition_variable/members/1.cc: Likewise.
1740         * testsuite/30_threads/condition_variable/members/2.cc: Likewise.
1741         * testsuite/30_threads/condition_variable/members/3.cc: Likewise.
1742         * testsuite/30_threads/condition_variable/members/53841.cc: Likewise.
1743         * testsuite/30_threads/condition_variable/members/68519.cc: Likewise.
1744         * testsuite/30_threads/condition_variable/native_handle/typesizes.cc:
1745         Likewise.
1746         * testsuite/30_threads/condition_variable/requirements/
1747         standard_layout.cc: Likewise.
1748         * testsuite/30_threads/condition_variable/requirements/typedefs.cc:
1749         * Likewise.
1750         * testsuite/30_threads/condition_variable_any/50862.cc: Likewise.
1751         * testsuite/30_threads/condition_variable_any/53830.cc: Likewise.
1752         * testsuite/30_threads/condition_variable_any/cons/1.cc: Likewise.
1753         * testsuite/30_threads/condition_variable_any/cons/assign_neg.cc:
1754         Likewise.
1755         * testsuite/30_threads/condition_variable_any/cons/copy_neg.cc:
1756         Likewise.
1757         * testsuite/30_threads/condition_variable_any/members/1.cc: Likewise.
1758         * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
1759         * testsuite/30_threads/future/cons/assign_neg.cc: Likewise.
1760         * testsuite/30_threads/future/cons/constexpr.cc: Likewise.
1761         * testsuite/30_threads/future/cons/copy_neg.cc: Likewise.
1762         * testsuite/30_threads/future/cons/default.cc: Likewise.
1763         * testsuite/30_threads/future/cons/move.cc: Likewise.
1764         * testsuite/30_threads/future/cons/move_assign.cc: Likewise.
1765         * testsuite/30_threads/future/members/45133.cc: Likewise.
1766         * testsuite/30_threads/future/members/get.cc: Likewise.
1767         * testsuite/30_threads/future/members/get2.cc: Likewise.
1768         * testsuite/30_threads/future/members/share.cc: Likewise.
1769         * testsuite/30_threads/future/members/valid.cc: Likewise.
1770         * testsuite/30_threads/future/members/wait.cc: Likewise.
1771         * testsuite/30_threads/future/members/wait_for.cc: Likewise.
1772         * testsuite/30_threads/future/members/wait_until.cc: Likewise.
1773         * testsuite/30_threads/future/requirements/explicit_instantiation.cc:
1774         Likewise.
1775         * testsuite/30_threads/headers/condition_variable/types_std_c++0x.cc:
1776         Likewise.
1777         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
1778         * testsuite/30_threads/headers/mutex/types_std_c++0x.cc: Likewise.
1779         * testsuite/30_threads/headers/thread/std_c++0x_neg.cc: Likewise.
1780         * testsuite/30_threads/headers/thread/types_std_c++0x.cc: Likewise.
1781         * testsuite/30_threads/lock/1.cc: Likewise.
1782         * testsuite/30_threads/lock/2.cc: Likewise.
1783         * testsuite/30_threads/lock/3.cc: Likewise.
1784         * testsuite/30_threads/lock/4.cc: Likewise.
1785         * testsuite/30_threads/lock_guard/cons/1.cc: Likewise.
1786         * testsuite/30_threads/lock_guard/requirements/
1787         explicit_instantiation.cc: Likewise.
1788         * testsuite/30_threads/lock_guard/requirements/typedefs.cc: Likewise.
1789         * testsuite/30_threads/mutex/cons/1.cc: Likewise.
1790         * testsuite/30_threads/mutex/cons/assign_neg.cc: Likewise.
1791         * testsuite/30_threads/mutex/cons/constexpr.cc: Likewise.
1792         * testsuite/30_threads/mutex/cons/copy_neg.cc: Likewise.
1793         * testsuite/30_threads/mutex/dest/destructor_locked.cc: Likewise.
1794         * testsuite/30_threads/mutex/lock/1.cc: Likewise.
1795         * testsuite/30_threads/mutex/native_handle/1.cc: Likewise.
1796         * testsuite/30_threads/mutex/native_handle/typesizes.cc: Likewise.
1797         * testsuite/30_threads/mutex/requirements/standard_layout.cc::
1798         Likewise.
1799         * testsuite/30_threads/mutex/requirements/typedefs.cc: Likewise.
1800         * testsuite/30_threads/mutex/try_lock/1.cc: Likewise.
1801         * testsuite/30_threads/mutex/try_lock/2.cc: Likewise.
1802         * testsuite/30_threads/mutex/unlock/1.cc: Likewise.
1803         * testsuite/30_threads/mutex/unlock/2.cc: Likewise.
1804         * testsuite/30_threads/once_flag/cons/constexpr.cc: Likewise.
1805         * testsuite/30_threads/packaged_task/49668.cc: Likewise.
1806         * testsuite/30_threads/packaged_task/60564.cc: Likewise.
1807         * testsuite/30_threads/packaged_task/cons/1.cc: Likewise.
1808         * testsuite/30_threads/packaged_task/cons/2.cc: Likewise.
1809         * testsuite/30_threads/packaged_task/cons/3.cc: Likewise.
1810         * testsuite/30_threads/packaged_task/cons/56492.cc: Likewise.
1811         * testsuite/30_threads/packaged_task/cons/alloc.cc: Likewise.
1812         * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
1813         * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
1814         * testsuite/30_threads/packaged_task/cons/assign_neg.cc: Likewise.
1815         * testsuite/30_threads/packaged_task/cons/copy_neg.cc: Likewise.
1816         * testsuite/30_threads/packaged_task/cons/move.cc: Likewise.
1817         * testsuite/30_threads/packaged_task/cons/move_assign.cc: Likewise.
1818         * testsuite/30_threads/packaged_task/members/at_thread_exit.cc:
1819         Likewise.
1820         * testsuite/30_threads/packaged_task/members/get_future.cc: Likewise.
1821         * testsuite/30_threads/packaged_task/members/get_future2.cc: Likewise.
1822         * testsuite/30_threads/packaged_task/members/invoke.cc: Likewise.
1823         * testsuite/30_threads/packaged_task/members/invoke2.cc: Likewise.
1824         * testsuite/30_threads/packaged_task/members/invoke3.cc: Likewise.
1825         * testsuite/30_threads/packaged_task/members/invoke4.cc: Likewise.
1826         * testsuite/30_threads/packaged_task/members/invoke5.cc: Likewise.
1827         * testsuite/30_threads/packaged_task/members/reset.cc: Likewise.
1828         * testsuite/30_threads/packaged_task/members/reset2.cc: Likewise.
1829         * testsuite/30_threads/packaged_task/members/swap.cc: Likewise.
1830         * testsuite/30_threads/packaged_task/members/valid.cc: Likewise.
1831         * testsuite/30_threads/packaged_task/requirements/
1832         explicit_instantiation.cc: Likewise.
1833         * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
1834         * testsuite/30_threads/promise/60966.cc: Likewise.
1835         * testsuite/30_threads/promise/69106.cc: Likewise.
1836         * testsuite/30_threads/promise/cons/1.cc: Likewise.
1837         * testsuite/30_threads/promise/cons/alloc.cc: Likewise.
1838         * testsuite/30_threads/promise/cons/alloc2.cc: Likewise.
1839         * testsuite/30_threads/promise/cons/alloc_min.cc: Likewise.
1840         * testsuite/30_threads/promise/cons/assign_neg.cc: Likewise.
1841         * testsuite/30_threads/promise/cons/copy_neg.cc: Likewise.
1842         * testsuite/30_threads/promise/cons/move.cc: Likewise.
1843         * testsuite/30_threads/promise/cons/move_assign.cc: Likewise.
1844         * testsuite/30_threads/promise/members/at_thread_exit.cc: Likewise.
1845         * testsuite/30_threads/promise/members/at_thread_exit2.cc: Likewise.
1846         * testsuite/30_threads/promise/members/get_future.cc: Likewise.
1847         * testsuite/30_threads/promise/members/get_future2.cc: Likewise.
1848         * testsuite/30_threads/promise/members/set_exception.cc: Likewise.
1849         * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
1850         * testsuite/30_threads/promise/members/set_value.cc: Likewise.
1851         * testsuite/30_threads/promise/members/set_value2.cc: Likewise.
1852         * testsuite/30_threads/promise/members/set_value3.cc: Likewise.
1853         * testsuite/30_threads/promise/members/swap.cc: Likewise.
1854         * testsuite/30_threads/promise/requirements/explicit_instantiation.cc:
1855         * Likewise.
1856         * testsuite/30_threads/promise/uses_allocator.cc: Likewise.
1857
1858         * testsuite/18_support/numeric_limits/char16_32_t.cc: Qualify names
1859         from namespace std.
1860         * testsuite/20_util/align/2.cc: Remove dg-require-cstdint directive.
1861         * testsuite/20_util/duration/arithmetic/1.cc: Likewise.
1862         * testsuite/20_util/duration/arithmetic/2.cc: Likewise.
1863         * testsuite/20_util/duration/arithmetic/dr2020.cc: Likewise.
1864         * testsuite/20_util/duration/arithmetic/dr934-1.cc: Likewise.
1865         * testsuite/20_util/duration/arithmetic/dr934-2.cc: Likewise.
1866         * testsuite/20_util/duration/comparison_operators/1.cc: Likewise.
1867         * testsuite/20_util/duration/cons/1.cc: Likewise.
1868         * testsuite/20_util/duration/cons/1_neg.cc: Likewise.
1869         * testsuite/20_util/duration/cons/2.cc: Likewise.
1870         * testsuite/20_util/duration/cons/54025.cc: Likewise.
1871         * testsuite/20_util/duration/cons/dr974_neg.cc: Likewise.
1872         * testsuite/20_util/duration/requirements/explicit_instantiation/
1873         explicit_instantiation.cc: Likewise.
1874         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1875         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1876         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1877         * testsuite/20_util/make_signed/requirements/typedefs-4.cc: Likewise.
1878         * testsuite/20_util/ratio/comparisons/comp1.cc: Likewise.
1879         * testsuite/20_util/ratio/comparisons/comp2.cc: Likewise.
1880         * testsuite/20_util/ratio/comparisons/comp3.cc: Likewise.
1881         * testsuite/20_util/ratio/cons/cons1.cc: Likewise.
1882         * testsuite/20_util/ratio/operations/45866.cc: Likewise.
1883         * testsuite/20_util/ratio/operations/47913.cc: Likewise.
1884         * testsuite/20_util/ratio/operations/53840.cc: Likewise.
1885         * testsuite/20_util/ratio/operations/ops1.cc: Likewise.
1886         * testsuite/20_util/shared_ptr/atomic/3.cc: Likewise.
1887         * testsuite/20_util/system_clock/1.cc: Likewise.
1888         * testsuite/20_util/time_point/1.cc: Likewise.
1889         * testsuite/20_util/time_point/2.cc: Likewise.
1890         * testsuite/20_util/time_point/3.cc: Likewise.
1891         * testsuite/20_util/time_point/requirements/explicit_instantiation/
1892         explicit_instantiation.cc: Likewise.
1893         * testsuite/21_strings/basic_string/requirements/
1894         explicit_instantiation/char16_t/1.cc: Likewise.
1895         * testsuite/21_strings/basic_string/requirements/
1896         explicit_instantiation/char32_t/1.cc: Likewise.
1897         * testsuite/21_strings/basic_string_view/requirements/
1898         explicit_instantiation/char16_t/1.cc: Likewise.
1899         * testsuite/21_strings/basic_string_view/requirements/
1900         explicit_instantiation/char32_t/1.cc: Likewise.
1901         * testsuite/21_strings/char_traits/requirements/
1902         explicit_instantiation/char16_t/1.cc: Likewise.
1903         * testsuite/21_strings/char_traits/requirements/
1904         explicit_instantiation/char32_t/1.cc: Likewise.
1905         * testsuite/21_strings/headers/string/types_std_c++0x.cc: Likewise.
1906         * testsuite/22_locale/codecvt/char16_t.cc: Likewise.
1907         * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
1908         * testsuite/22_locale/codecvt/codecvt_utf16/requirements/1.cc:
1909         Likewise.
1910         * testsuite/22_locale/codecvt/codecvt_utf8/requirements/1.cc:
1911         Likewise.
1912         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/requirements/1.cc:
1913         Likewise.
1914         * testsuite/22_locale/codecvt/utf8.cc: Likewise.
1915         * testsuite/23_containers/vector/bool/72847.cc: Likewise.
1916         * testsuite/23_containers/vector/debug/multithreaded_swap.cc:
1917         Likewise.
1918         * testsuite/experimental/string_view/requirements/
1919         explicit_instantiation/char16_t/1.cc: Likewise.
1920         * testsuite/experimental/string_view/requirements/
1921         explicit_instantiation/char32_t/1.cc: Likewise.
1922         * testsuite/ext/vstring/requirements/explicit_instantiation/char16_t/
1923         1.cc: Likewise.
1924         * testsuite/ext/vstring/requirements/explicit_instantiation/char32_t/
1925         1.cc: Likewise.
1926
1927         * include/ext/throw_allocator.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1928         (random_condition, throw_value_random, throw_allocator_random)
1929         (std::hash<throw_value_random>): Do not define when <tr1/random> is
1930         not usable.
1931         * src/c++11/cow-stdexcept.cc [!_GLIBCXX_USE_C99_STDINT_TR1]: Do not
1932         define transactional memory support when <stdint.h> is not usable.
1933
1934         * include/bits/hashtable_policy.h (__detail::__clp2): Use faster
1935         implementation that doesn't depend on <stdint.h> types.
1936         * include/std/memory (align) [!_GLIBCXX_USE_C99_STDINT_TR1]: Use
1937         std::size_t when std::uintptr_t is not usable.
1938         [!_GLIBCXX_USE_C99_STDINT_TR1] (pointer_safety, declare_reachable)
1939         (undeclare_reachable, declare_no_pointers, undeclare_no_pointers):
1940         Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
1941
1942         * include/bits/basic_string.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1943         (hash<u16string>, hash<u32string>): Remove dependency on
1944         _GLIBCXX_USE_C99_STDINT_TR1.
1945         * include/bits/char_traits.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1946         (char_traits<char16_t>, char_traits<char32_t>): Remove dependency on
1947         _GLIBCXX_USE_C99_STDINT_TR1. Use __UINT_LEAST16_TYPE__ and
1948         __UINT_LEAST32_TYPE__ or make_unsigned when <stdint.h> is not usable.
1949         * include/bits/codecvt.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1950         (codecvt<char16_t, char, mbstate_t>)
1951         (codecvt<char32_t, char, mbstate_t>)
1952         (codecvt_byname<char16_t, char, mbstate_t>)
1953         (codecvt_byname<char32_t, char, mbstate_t>): Remove dependency
1954         on _GLIBCXX_USE_C99_STDINT_TR1.
1955         * include/bits/locale_facets.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1956         (_GLIBCXX_NUM_UNICODE_FACETS): Likewise.
1957         * include/bits/stringfwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1958         (char_traits<char16_t>, char_traits<char32_t>)
1959         (basic_string<char16_t>, basic_string<char32_t>): Remove dependency
1960         on _GLIBCXX_USE_C99_STDINT_TR1.
1961         * include/experimental/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
1962         (u16string_view, u32string_view, hash<u16string_view>)
1963         (hash<u32string_view>, operator""sv(const char16_t, size_t))
1964         (operator""sv(const char32_t, size_t)): Likewise.
1965         * include/ext/vstring.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1966         (hash<__u16vstring>, hash<__u32vstring>): Likewise.
1967         * include/ext/vstring_fwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1968         (__u16vstring, __u16sso_string, __u16rc_string, __u32vstring)
1969         (__u32sso_string, __u32rc_string): Likewise.
1970         * include/std/codecvt [!_GLIBCXX_USE_C99_STDINT_TR1] (codecvt_mode)
1971         (codecvt_utf8, codecvt_utf16, codecvt_utf8_utf16): Likewise.
1972         * include/std/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
1973         (u16string_view, u32string_view, hash<u16string_view>)
1974         (hash<u32string_view>, operator""sv(const char16_t, size_t))
1975         (operator""sv(const char32_t, size_t)): Likewise.
1976         * src/c++11/codecvt.cc: Likewise.
1977         * src/c++98/locale_init.cc: Likewise.
1978         * src/c++98/localename.cc: Likewise.
1979
1980         * include/bits/atomic_futex.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1981         (__atomic_futex_unsigned_base): Remove dependency on
1982         _GLIBCXX_USE_C99_STDINT_TR1 macro.
1983         * include/bits/unique_lock.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1984         (unique_lock): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1.
1985         * include/c_global/cstdint [!_GLIBCXX_USE_C99_STDINT_TR1] (intmax_t)
1986         (uintmax_t): Define using predefined macros.
1987         * include/std/chrono [!_GLIBCXX_USE_C99_STDINT_TR1] (duration)
1988         (time_point, system_clock, high_resolution_clock, steady_clock): Remove
1989         dependency on _GLIBCXX_USE_C99_STDINT_TR1 macro.
1990         (nanoseconds, microseconds, milliseconds, seconds, minutes, hours):
1991         [!_GLIBCXX_USE_C99_STDINT_TR1]: Define using __INT64_TYPE__ or
1992         long long when <stdint.h> is not usable.
1993         * include/std/condition_variable [!_GLIBCXX_USE_C99_STDINT_TR1]
1994         (condition_variable, condition_variable_any): Remove dependency on
1995         _GLIBCXX_USE_C99_STDINT_TR1.
1996         * include/std/future [!_GLIBCXX_USE_C99_STDINT_TR1] (future, promise)
1997         (packaged_task, async): Likewise.
1998         * include/std/mutex [!_GLIBCXX_USE_C99_STDINT_TR1] (recursive_mutex)
1999         (timed_mutex, recursive_timed_mutex, try_lock, lock, scoped_lock)
2000         (once_flag, call_once): Likewise.
2001         * include/std/ratio [!_GLIBCXX_USE_C99_STDINT_TR1] (ratio): Likewise.
2002         * include/std/shared_mutex [!_GLIBCXX_USE_C99_STDINT_TR1]
2003         (shared_mutex, shared_timed_mutex, shared_lock): Likewise.
2004         * include/std/thread [!_GLIBCXX_USE_C99_STDINT_TR1] (thread)
2005         (this_thread::get_id, this_thread::yield, this_thread::sleep_for)
2006         (this_thread::sleep_until): Likewise.
2007         * src/c++11/chrono.cc: Remove dependency on
2008         _GLIBCXX_USE_C99_STDINT_TR1 macro.
2009         * src/c++11/condition_variable.cc: Likewise.
2010         * src/c++11/futex.cc: Likewise.
2011         * src/c++11/future.cc: Likewise.
2012         * src/c++11/mutex.cc: Likewise.
2013         * src/c++11/thread.cc: Likewise.
2014         * testsuite/20_util/duration/literals/range_neg.cc: Adjust dg-error.
2015         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
2016         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
2017         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
2018         * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Likewise.
2019         * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
2020
2021 2018-07-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2022
2023         PR libstdc++/77691
2024         * testsuite/experimental/memory_resource/new_delete_resource.cc:
2025         xfail execution on 32-bit Solaris/x86.
2026
2027 2018-07-26  Marc Glisse  <marc.glisse@inria.fr>
2028
2029         * include/bits/stl_vector.h (_Vector_impl_data::_M_copy_data): New.
2030         (_Vector_impl_data::_M_swap_data): Use _M_copy_data.
2031         (vector::_M_move_assign): Reorder the swaps.
2032
2033 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
2034
2035         PR libstdc++/86676
2036         * testsuite/20_util/monotonic_buffer_resource/release.cc: Request
2037         same alignment for post-release allocation.
2038
2039 2018-07-25  Jonathan Wakely  <jwakely@redhat.com>
2040
2041         PR libstdc++/86676
2042         * testsuite/20_util/monotonic_buffer_resource/release.cc: Allow for
2043         buffer being misaligned and so returned pointer not being at start.
2044
2045         * include/experimental/memory_resource: Include <cstddef> header.
2046
2047         * acinclude.m4 (glibcxx_SUBDIRS): Add src/c++17.
2048         * src/Makefile.am: Add comment.
2049         * src/c++17/Makefile.in: Regenerate.
2050
2051         * include/Makefile.am: Add new <bits/unique_lock.h> header.
2052         * include/Makefile.in: Regenerate.
2053         * include/bits/std_mutex.h [!_GLIBCXX_USE_C99_STDINT_TR1] (mutex)
2054         (lock_guard): Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
2055         (unique_lock): Move definition to ...
2056         * include/bits/unique_lock.h: New header.
2057         [!_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock): Define unconditionally.
2058         [_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock(mutex_type&, time_point))
2059         (unique_lock(mutex_type&, duration), unique_lock::try_lock_until)
2060         (unique_lock::try_lock_for): Define only when <chrono> is usable.
2061         * include/std/condition_variable: Include <bits/unique_lock.h>.
2062         * include/std/mutex: Likewise.
2063
2064 2018-07-24  Jonathan Wakely  <jwakely@redhat.com>
2065
2066         * config/abi/pre/gnu.ver: Export new symbols.
2067         * configure: Regenerate.
2068         * include/Makefile.am: Add new <memory_resource> header.
2069         * include/Makefile.in: Regenerate.
2070         * include/precompiled/stdc++.h: Include <memory_resource> for C++17.
2071         * include/std/memory_resource: New header.
2072         (memory_resource, polymorphic_allocator, new_delete_resource)
2073         (null_memory_resource, set_default_resource, get_default_resource)
2074         (pool_options, monotonic_buffer_resource): Define.
2075         * src/Makefile.am: Add c++17 directory.
2076         * src/Makefile.in: Regenerate.
2077         * src/c++11/Makefile.am: Fix comment.
2078         * src/c++17/Makefile.am: Add makefile for new sub-directory.
2079         * src/c++17/Makefile.in: Generate.
2080         * src/c++17/memory_resource.cc: New.
2081         (newdel_res_t, null_res_t, constant_init, newdel_res, null_res)
2082         (default_res, new_delete_resource, null_memory_resource)
2083         (set_default_resource, get_default_resource): Define.
2084         * testsuite/20_util/memory_resource/1.cc: New test.
2085         * testsuite/20_util/memory_resource/2.cc: New test.
2086         * testsuite/20_util/monotonic_buffer_resource/1.cc: New test.
2087         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: New test.
2088         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: New test.
2089         * testsuite/20_util/monotonic_buffer_resource/release.cc: New test.
2090         * testsuite/20_util/monotonic_buffer_resource/upstream_resource.cc:
2091         New test.
2092         * testsuite/20_util/polymorphic_allocator/1.cc: New test.
2093         * testsuite/20_util/polymorphic_allocator/resource.cc: New test.
2094         * testsuite/20_util/polymorphic_allocator/select.cc: New test.
2095         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
2096         Define concrete memory resource for testing.
2097         (__gnu_test::default_resource_mgr): Define RAII helper for changing
2098         default resource.
2099
2100         PR libstdc++/86658
2101         * include/bits/stl_algobase.h (__niter_wrap<_Iterator>): Pass unused
2102         parameter by reference, to avoid copying invalid iterators.
2103         * testsuite/25_algorithms/copy/86658.cc: New test.
2104
2105         * include/std/bit (__countl_zero, __countr_zero, __popcount): Use
2106         local variables for number of digits instead of type aliases.
2107         (__log2p1): Remove redundant branch also checked in __countl_zero.
2108
2109         * include/bits/uses_allocator.h (__is_erased_or_convertible): Reorder
2110         conditions. Add comments.
2111         * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error line.
2112         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
2113         * testsuite/20_util/scoped_allocator/69293_neg.cc: Likewise.
2114
2115         * include/bits/uses_allocator.h (__is_erased_or_convertible): Remove.
2116         (__uses_allocator_helper): Check conditions directly instead of
2117         using __is_erased_or_convertible.
2118
2119         * include/experimental/memory_resource: Adjust comments and
2120         whitespace.
2121         (__resource_adaptor_imp): Add second template parameter for type of
2122         memory resource base class.
2123         (memory_resource): Define default constructor, destructor, copy
2124         constructor and copy assignment operator as defaulted.
2125
2126         PR libstdc++/70966
2127         * include/experimental/memory_resource (__get_default_resource): Use
2128         placement new to create an object with dynamic storage duration.
2129
2130 2018-07-23  Jonathan Wakely  <jwakely@redhat.com>
2131
2132         PR libstdc++/70940
2133         * include/experimental/memory_resource
2134         (__resource_adaptor_common::_AlignMgr::_M_unadjust): Add assertion.
2135         (__resource_adaptor_common::__guaranteed_alignment): New helper to
2136         give maximum alignment an allocator guarantees. Specialize for known
2137         allocators using new and malloc.
2138         (__resource_adaptor_imp::do_allocate): Use __guaranteed_alignment.
2139         (__resource_adaptor_imp::do_deallocate): Likewise.
2140         * testsuite/experimental/memory_resource/new_delete_resource.cc:
2141         Check that new and delete are called with expected sizes.
2142
2143 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
2144
2145         PR libstdc++/86595
2146         * include/bits/fs_dir.h (directory_entry::refresh(error_code&)): Add
2147         noexcept.
2148
2149 2018-07-20  Fangrui Song  <maskray@google.com>
2150
2151         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Use
2152         _GLIBCXX_VISIBILITY(default).
2153
2154 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
2155
2156         PR libstdc++/86603
2157         * include/std/version: Move __cpp_lib_list_remove_return_type macro.
2158
2159 2018-07-19  Jonathan Wakely  <jwakely@redhat.com>
2160
2161         * include/std/type_traits (__is_member_object_pointer_helper): Use
2162         __not_<is_function<_Tp>>::type instead of integral_constant.
2163         (__is_member_function_pointer_helper): Likewise for
2164         is_function<_Tp>::type.
2165         (is_compund): Likewise for __not_<is_fundamental<_Tp>>::type.
2166         (__do_is_nt_destructible_impl): Use __bool_constant and reindent.
2167         (is_trivially_constructible): Remove redundant use of
2168         is_constructible.
2169         (__is_trivially_copy_assignable_impl): Remove redundant use of
2170         is_copy_assignable.
2171         (__is_trivially_move_assignable_impl): Remove redundant use of
2172         is_move_assignable.
2173         (is_trivially_destructible): Use __bool_constant.
2174         * testsuite/20_util/is_trivially_assignable/value.cc: Add some more
2175         tests for scalar types.
2176
2177 2018-07-19  Glen Joseph Fernandes  <glenjofe@gmail.com>
2178
2179         * include/bits/stl_algobase.h (__copy_move_a): Used
2180         __is_trivially_copyable.
2181         (__copy_move_backward_a): Likewise.
2182         * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
2183         New test.
2184
2185 2018-07-17  Jonathan Wakely  <jwakely@redhat.com>
2186
2187         PR libstdc++/86450
2188         * acinclude.m4 (GLIBCXX_CHECK_COMPILER_FEATURES): Don't define WERROR.
2189         (GLIBCXX_EXPORT_FLAGS): Use -Wabi=2 instead of -Wabi.
2190         * configure: Regenerate.
2191         * configure.ac: Change GLIBCXX_ENABLE_WERROR default to "no".
2192         * doc/Makefile.in: Regenerate.
2193         * fragment.am: Set WERROR_FLAG to -Werror instead of $(WERROR).
2194         * include/Makefile.in: Regenerate.
2195         * libsupc++/Makefile.in: Regenerate.
2196         * po/Makefile.in: Regenerate.
2197         * python/Makefile.in: Regenerate.
2198         * src/Makefile.in: Regenerate.
2199         * src/c++11/Makefile.in: Regenerate.
2200         * src/c++11/debug.cc: Use diagnostic pragmas to suppress warnings
2201         from -Wabi=2 that don't affect exported symbols.
2202         * src/c++98/Makefile.in: Regenerate.
2203         * src/filesystem/Makefile.in: Regenerate.
2204         * testsuite/Makefile.in: Regenerate.
2205
2206         * src/c++11/compatibility-thread-c++0x.cc [_GLIBCXX_SHARED]
2207         (_Async_state_common::_M_join): Simplify use of std::call_once and
2208         corresponding explicit instantiation.
2209         (_Maybe_wrap_member_pointer, _Bind_simple, _Bind_simple_helper)
2210         (__bind_simple): Remove definitions and explicit instantiation that
2211         are not required by exported symbols.
2212
2213 2018-07-16  Jonathan Wakely  <jwakely@redhat.com>
2214
2215         * scripts/create_testsuite_files: Fix typo in comment.
2216
2217         PR libstdc++/86537
2218         * include/bits/shared_ptr.h (less<shared_ptr<_Tp>>): Remove
2219         non-standard partial specialization.
2220         * include/bits/shared_ptr_base.h (_Sp_less): Remove class definition.
2221         (less<__shared_ptr<_Tp, _Lp>): Remove partial specialization.
2222         * testsuite/20_util/shared_ptr/comparison/86537.cc: New test.
2223
2224 2018-07-16  Andreas Krebbel  <krebbel@linux.ibm.com>
2225
2226         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
2227         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
2228         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
2229
2230 2018-07-06  François Dumont  <fdumont@gcc.gnu.org>
2231
2232         * include/debug/functions.h (__gnu_debug::__check_string): Move...
2233         * include/debug/string (__gnu_debug::__check_string): ... here.
2234         (_GLIBCXX_DEBUG_VERIFY_STR_COND_AT): New.
2235         (__glibcxx_check_string_n_constructor): New.
2236         (__gnu_debug::basic_string<>(const _CharT*, size_type, const _Alloc&)):
2237         Use latter.
2238         (__glibcxx_check_string_constructor): New.
2239         (__gnu_debug::basic_string<>(const _CharT*, const _Alloc&)):
2240         Use latter.
2241         * testsuite/21_strings/basic_string/debug/1_neg.cc: New.
2242         * testsuite/21_strings/basic_string/debug/2_neg.cc: New.
2243
2244 2018-07-06  Jonathan Wakely  <jwakely@redhat.com>
2245
2246         PR libstdc++/84928 use std::move in <numeric> algorithms
2247         * include/bits/stl_numeric.h (_GLIBCXX_MOVE_IF_20): Define macro to
2248         conditionally move, according to __cplusplus value.
2249         (accumulate, inner_product, partial_sum, adjacent_difference): Use
2250         _GLIBCXX_MOVE_IF_20.
2251         * testsuite/26_numerics/accumulate/lwg2055.cc: New test.
2252         * testsuite/26_numerics/adjacent_difference/lwg2055.cc: New test.
2253         * testsuite/26_numerics/inner_product/lwg2055.cc: New test.
2254         * testsuite/26_numerics/partial_sum/lwg2055.cc: New test.
2255
2256         * config/abi/pre/gnu.ver: Use wildcards to combine related patterns.
2257
2258         P0935R0 Eradicating unnecessarily explicit default constructors
2259         * config/abi/pre/gnu.ver: Tighten existing patterns and export new
2260         default constructor symbols.
2261         * include/std/sstream (basic_stringbuf, basic_istringstream)
2262         (basic_ostringstream, basic_stringstream): Remove default arguments
2263         from explicit constructors taking ios_base::openmode and add separate
2264         non-explicit default constructors.
2265         * testsuite/27_io/basic_istringstream/cons/default.cc: New.
2266         * testsuite/27_io/basic_ostringstream/cons/default.cc: New.
2267         * testsuite/27_io/basic_stringstream/cons/default.cc: New.
2268         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: New.
2269         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: New.
2270
2271         * include/std/variant (__accepted_index): Use void_t.
2272
2273 2018-07-05  Jonathan Wakely  <jwakely@redhat.com>
2274
2275         PR libstdc++/85831
2276         * config/abi/pre/gnu.ver: Export move constructors and move
2277         assignment operators for std::logic_error and std::runtime_error.
2278         * include/std/stdexcept: Use _GLIBCXX_NOTHROW instead of
2279         _GLIBCXX_USE_NOEXCEPT.
2280         (logic_error, runtime_error): Declare move constructors and move
2281         assignment operators. When not declared already, define copy
2282         constructors and copy assignment operators as explicit-defaulted.
2283         (domain_error, invalid_argument, length_error, out_of_range)
2284         (overflow_error, underflow_error): Define move constructors and move
2285         assignment operators as explicitly-defaulted.
2286         * libsupc++/exception.h (exception): Likewise.
2287         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Define
2288         move constructors and move assignment operators as defaulted.
2289         * testsuite/19_diagnostics/stdexcept.cc: Check that constructors and
2290         assignment operators are defined.
2291
2292         * testsuite/21_strings/basic_string/cons/char/deduction.cc: XFAIL for
2293         COW strings.
2294         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2295         Likewise.
2296         * testsuite/21_strings/basic_string/requirements/
2297         explicit_instantiation/debug.cc: Likewise.
2298
2299         PR libstdc++/58265
2300         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2301         (basic_string::assign(basic_string&&)): Add conditional noexcept
2302         depending on the allocator's is_always_equal property (LWG 2063).
2303         * testsuite/21_strings/basic_string/modifiers/assign/char/
2304         move_assign.cc: Check for non-throwing exception specification.
2305         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
2306         move_assign.cc: Likewise.
2307
2308         PR libstdc++/58265
2309         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2310         [_GLIBCXX_FULLY_DYNAMIC_STRING==0] (basic_string::basic_string()):
2311         Add GLIBCXX_NOEXCEPT.
2312         (basic_string::operator=(basic_string&&)): Add _GLIBCXX_NOEXCEPT_IF
2313         to depend on the allocator's is_always_equal property (LWG 2063).
2314         (basic_string::swap(basic_string&)): Likewise.
2315         * include/bits/basic_string.tcc [!_GLIBCXX_USE_CXX11_ABI]
2316         (basic_string::swap(basic_string&)): Likewise.
2317         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
2318         Check is_nothrow_move_assignable.
2319         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
2320         Check is_nothrow_move_assignable.
2321         * testsuite/21_strings/basic_string/cons/char/
2322         noexcept_move_construct.cc: Likewise.
2323         * testsuite/21_strings/basic_string/cons/wchar_t/
2324         noexcept_move_construct.cc: Likewise.
2325
2326 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2327
2328         P0646R1 Improving the Return Value of Erase-Like Algorithms I
2329         * include/bits/forward_list.h (__cpp_lib_list_remove_return_type):
2330         Define.
2331         (forward_list::__remove_return_type): Define typedef as size_type or
2332         void, according to __cplusplus value.
2333         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2334         empty, according to __cplusplus value.
2335         (forward_list::remove, forward_list::unique): Use typedef and macro
2336         to change return type and add abi-tag for C++2a.
2337         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
2338         typedef to change return type for C++2a.
2339         * include/bits/forward_list.tcc (_GLIBCXX20_ONLY): Define macro.
2340         (forward_list::remove, forward_list::remove_if<Pred>)
2341         (forward_list::unique<BinPred>): Return number of removed elements
2342         for C++2a.
2343         * include/bits/list.tcc (_GLIBCXX20_ONLY): Define macro.
2344         (list::remove, list::unique, list::remove_if<Predicate>)
2345         (list::unique<BinaryPredicate>): Return number of removed elements
2346         for C++2a.
2347         * include/bits/stl_list.h (__cpp_lib_list_remove_return_type): Define.
2348         (list::__remove_return_type): Define typedef as size_type or
2349         void, according to __cplusplus value.
2350         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2351         empty, according to __cplusplus value.
2352         (list::remove, list::unique): Use typedef and macro to change return
2353         type and add abi-tag for C++2a.
2354         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use
2355         typedef to change return type for C++2a.
2356         * include/std/version (__cpp_lib_list_remove_return_type): Define.
2357         * testsuite/23_containers/forward_list/operations/
2358         remove_cxx20_return.cc: New.
2359         * testsuite/23_containers/forward_list/operations/
2360         unique_cxx20_return.cc: New.
2361
2362         P0458R2 Checking for Existence of an Element in Associative Containers
2363         * include/bits/stl_map.h (map::contains): Add for C++2a.
2364         * include/bits/stl_multimap.h (multimap::contains): Likewise.
2365         * include/bits/stl_multiset.h (multiset::contains): Likewise.
2366         * include/bits/stl_set.h (set::contains): Likewise.
2367         * include/bits/stl_tree.h (__has_is_transparent_t): Define alias.
2368         (_Rb_tree::_M_find_tr, _Rb_tree::_M_count_tr)
2369         (_Rb_tree::_M_lower_bound_tr, _Rb_tree::_M_upper_bound_tr)
2370         (_Rb_tree::_M_equal_range_tr): Use __has_is_transparent_t.
2371         * include/bits/unordered_map.h (unordered_map::contains)
2372         (unordered_multimap::contains): Add for C++2a.
2373         * include/bits/unordered_set.h (unordered_set::contains)
2374         (unordered_multiset::contains): Likewise.
2375         * testsuite/23_containers/map/operations/contains.cc: New.
2376         * testsuite/23_containers/multimap/operations/contains.cc: New.
2377         * testsuite/23_containers/multiset/operations/contains.cc: New.
2378         * testsuite/23_containers/set/operations/contains.cc: New.
2379         * testsuite/23_containers/unordered_map/operations/contains.cc: New.
2380         * testsuite/23_containers/unordered_multimap/operations/contains.cc:
2381         New.
2382         * testsuite/23_containers/unordered_multiset/operations/contains.cc:
2383         New.
2384         * testsuite/23_containers/unordered_set/operations/contains.cc: New.
2385
2386 2018-07-04  François Dumont  <fdumont@gcc.gnu.org>
2387
2388         PR libstdc++/86272
2389         * include/debug/string
2390         (__gnu_debug::basic_string<>::insert<_Ite>(const_iterator, _Ite, _Ite)):
2391         Use __glibcxx_check_insert_range.
2392         * 21_strings/basic_string/cons/char/1.cc: Adapt test to use
2393         __gnu_debug::string when _GLIBCXX_DEBUG.
2394         * 21_strings/basic_string/init-list.cc: Likewise.
2395         * 21_strings/basic_string/modifiers/insert/char/1.cc: Likewise.
2396         * 21_strings/basic_string/modifiers/insert/char/2.cc: Likewise.
2397         * 21_strings/basic_string/modifiers/insert/char/83328.cc: Likewise.
2398         * 21_strings/basic_string/types/1.cc: Likewise.
2399
2400 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2401
2402         * testsuite/25_algorithms/make_heap/complexity.cc: Require effective
2403         target for std::random_device.
2404         * testsuite/26_numerics/random/random_device/cons/default.cc:
2405         Likewise.
2406         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
2407         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2408         * testsuite/experimental/random/randint.cc: Likewise.
2409         * testsuite/lib/libstdc++.exp
2410         (check_effective_target_random_device): New proc.
2411
2412 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2413             Jakub Jelinek  <jakub@redhat.com>
2414
2415         * include/std/bit (__rotl, __rotr): Fix for non-power of two sizes.
2416
2417 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2418
2419         PR libstdc++/86398
2420         * include/std/type_traits (is_trivially_constructible): Check
2421         is_constructible before __is_trivially_constructible.
2422         * testsuite/20_util/is_trivially_constructible/value.cc: Add more
2423         tests, including negative cases.
2424         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Use
2425         zero for dg-error lineno.
2426         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
2427         Likewise.
2428
2429         * include/std/bit (__rotl, __rotr): Avoid branch.
2430         (_If_is_unsigned_integer): Use remove_cv_t.
2431         * testsuite/26_numerics/bit/bitops.count/popcount.cc: New.
2432
2433 2018-07-03  Jonathan Wakely  <jwakely@redhat.com>
2434
2435         P0556R3 Integral power-of-2 operations, P0553R2 Bit operations
2436         * include/Makefile.am: Add new header.
2437         * include/Makefile.in: Regenerate.
2438         * include/precompiled/stdc++.h: Include new header.
2439         * include/std/bit: New header.
2440         (__rotl, __rotr, __countl_zero, __countl_one, __countr_zero)
2441         (__countr_one, __popcount, __ispow2, __ceil2, __floor2, __log2p1):
2442         Define for C++14.
2443         [!__STRICT_ANSI__] (rotl, rotr, countl_zero, countl_one, countr_zero)
2444         (countr_one, popcount): Define for C++2a. Also overload for std::byte.
2445         (ispow2, ceil2, floor2, log2p1): Define for C++2a.
2446         [!__STRICT_ANSI__] (ispow2, ceil2, floor2, log2p1): Overload for
2447         std::byte.
2448         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: New.
2449         * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: New.
2450         * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: New.
2451         * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: New.
2452         * testsuite/26_numerics/bit/bitops.rot/rotl.cc: New.
2453         * testsuite/26_numerics/bit/bitops.rot/rotr.cc: New.
2454         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: New.
2455         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: New.
2456         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: New.
2457         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: New.
2458
2459         * include/bits/alloc_traits.h: Remove redundant preprocessor
2460         condition.
2461
2462 2018-07-03  François Dumont  <fdumont@gcc.gnu.org>
2463
2464         * include/bits/stl_algobase.h (__niter_wrap): New.
2465         (__copy_move_a2(_II, _II, _OI)): Use latter.
2466         (__copy_move_backward_a2(_BI1, _BI1, _BI2)): Likewise.
2467         (fill_n(_OI, _Size, const _Tp&)): Likewise.
2468         (equal(_II1, _II1, _II2)): Use __glibcxx_requires_can_increment.
2469         * include/debug/stl_iterator.h
2470         (std::__niter_base(const __gnu_cxx::_Safe_iterator<
2471         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New declaration.
2472         * include/debug/vector (__niter_base(const __gnu_cxx::_Safe_iterator<
2473         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New.
2474
2475 2018-07-02  Jonathan Wakely  <jwakely@redhat.com>
2476
2477         P0758R1 Implicit conversion traits
2478         * include/std/type_traits [__cplusplus > 201703]
2479         (__is_convertible_helper::__is_nothrow_type): Define new member.
2480         (__is_convertible_helper<_From, _To, false>::__test_aux1): Add
2481         noexcept.
2482         (__is_convertible_helper<_From, _To, false>::__test_nothrow)
2483         (__is_convertible_helper<_From, _To, false>::__is_nothrow_type): Add
2484         new members.
2485         (is_nothrow_convertible, is_nothrow_convertible_v): Define for C++2a.
2486         * testsuite/20_util/is_nothrow_convertible/value.cc: New.
2487         * testsuite/20_util/is_nothrow_convertible/requirements/
2488         explicit_instantiation.cc: New.
2489         * testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc:
2490         New.
2491
2492         P0887R1 The identity metafunction
2493         * include/std/type_traits (type_identity, type_identity_t): Define
2494         for C++2a.
2495         * testsuite/20_util/type_identity/requirements/alias_decl.cc: New.
2496         * testsuite/20_util/type_identity/requirements/
2497         explicit_instantiation.cc:New.
2498         * testsuite/20_util/type_identity/requirements/typedefs.cc: New.
2499
2500         * include/bits/regex.h (sub_match::operator string_type): Call str().
2501         (sub_match::compare): Use _M_str() instead of str().
2502         (sub_match::_M_compare): New public function.
2503         (sub_match::__string_view): New helper type.
2504         (sub_match::_M_str): New overloaded functions to avoid creating a
2505         string_type object when not needed.
2506         (operator==, operator!=, operator<, operator>, operator<=, operator>=):
2507         Use sub_match::_M_compare instead of creating string_type objects.
2508         Fix Doxygen comments.
2509         * include/bits/regex_compiler.h (__has_contiguous_iter): Remove.
2510         (__is_contiguous_normal_iter): Rename to __is_contiguous_iter and
2511         simplify.
2512         (__enable_if_contiguous_iter, __disable_if_contiguous_iter): Use
2513         __enable_if_t.
2514         * include/std/type_traits (__enable_if_t): Define for C++11.
2515         * testsuite/28_regex/sub_match/compare.cc: New.
2516         * testsuite/util/testsuite_iterators.h (remove_cv): Add transformation
2517         trait.
2518         (input_iterator_wrapper): Use remove_cv for value_type argument of
2519         std::iterator base class.
2520
2521 2018-06-29  Jonathan Wakely  <jwakely@redhat.com>
2522
2523         * testsuite/20_util/add_rvalue_reference/requirements/alias_decl.cc:
2524         Add whitespace to dejagnu directive.
2525         * testsuite/23_containers/array/element_access/at_neg.cc: Likewise.
2526
2527 2018-06-27  François Dumont  <fdumont@gcc.gnu.org>
2528
2529         * include/bits/stl_vector.h
2530         (struct _Vector_base<>::_Vector_impl_data): New.
2531         (struct _Vector_base<>::_Vector_impl): Inherit from latter.
2532         (_Vector_base<>::_Vector_impl::_M_swap_data): Move...
2533         (_Vector_base<>::_Vector_impl_data::_M_swap_data): ...here.
2534         (_Vector_base<>::_Vector_impl()): Add noexcept qualification.
2535         (_Vector_base<>::_Vector_impl(_Vector_impl&&)): New.
2536         (_Vector_base<>::_Vector_impl(_Tp_alloc_type&&, _Vector_impl&&)): New.
2537         (_Vector_base(const allocator_type&, _Vector_base&&)): New, use latter.
2538         (_Vector_base()): Default.
2539         (_Vector_base(_Vector_base&&)): Default.
2540         (_Vector_base(size_t)) [_GLIBCXX_INLINE_VERSION]: Delete.
2541         (_Vector_base(_Tp_alloc_type&&)) [_GLIBCXX_INLINE_VERSION]: Delete.
2542         (_Vector_base::_M_create_storage(size_t)): Make protected.
2543         (vector()): Default.
2544         (vector(vector&&)): Default.
2545         (vector(vector&&, const allocator_type&, true_type)): New.
2546         (vector(vector&&, const allocator_type&, false_type)): New.
2547         (vector(vector&&, const allocator_type&)): Use latters.
2548         (vector(_InputIte, _InputIte, const allocator_type&)): Call
2549         _M_range_initialize directly.
2550         * include/debug/vector
2551         (vector(vector&&, const allocator_type&)): Add noexcept qualification.
2552         * testsuite/23_containers/vector/allocator/default_init.cc: New.
2553         * testsuite/23_containers/vector/cons/noexcept_move_construct.cc: Add
2554         static assertions.
2555
2556 2018-06-27  Jonathan Wakely  <jwakely@redhat.com>
2557
2558         * include/bits/cpp_type_traits.h [__cplusplus >= 201703]
2559         (__is_byte<byte>): Define specialization for std::byte.
2560
2561         PR libstdc++/86138
2562         * include/bits/basic_string.tcc: [_GLIBCXX_EXTERN_TEMPLATE < 0]
2563         Declare explicit instantiations of COW empty reps and I/O functions.
2564
2565 2018-06-26  David Edelsohn  <dje.gcc@gmail.com>
2566
2567         * testsuite/experimental/algorithm/sample-2.cc: Add TLS DejaGNU
2568         directives.
2569         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2570
2571 2018-06-26  Jonathan Wakely  <jwakely@redhat.com>
2572
2573         * include/bits/regex.tcc (regex_iterator::operator==): Add missing
2574         noexcept.
2575
2576 2018-06-25  Jonathan Wakely  <jwakely@redhat.com>
2577
2578         PR libstdc++/86112
2579         * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
2580         Replace dict comprehension.
2581
2582         PR libstdc++/81092
2583         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
2584
2585         PR libstdc++/86292
2586         * include/bits/stl_vector.h (vector::_M_range_initialize<InputIter>):
2587         Add try-catch block.
2588         * testsuite/23_containers/vector/cons/86292.cc: New.
2589
2590         * doc/xml/manual/status_cxx2017.xml: Document N4531 status.
2591
2592         * include/experimental/algorithm (sample, shuffle): Add new overloads
2593         using per-thread random number engine.
2594         * testsuite/experimental/algorithm/sample.cc: Simpify and reduce
2595         dependencies by using __gnu_test::test_container.
2596         * testsuite/experimental/algorithm/sample-2.cc: New.
2597         * testsuite/experimental/algorithm/shuffle.cc: New.
2598
2599 2018-06-22  Jonathan Wakely  <jwakely@redhat.com>
2600
2601         * config/abi/pre/gnu.ver: Fix __cxx11::basic_string patterns for
2602         different size_t mangling on 32-bit targets.
2603
2604         PR libstdc++/86280
2605         * include/experimental/memory_resource
2606         (__resource_adaptor_common::_AlignMgr::_M_token_size): Use type large
2607         enough for result of left shift.
2608
2609         PR libstdc++/86138
2610         * include/bits/basic_string.tcc:
2611         [__cplusplus > 201402 && !_GLIBCXX_USE_CXX11_ABI]
2612         (basic_string<char>::_Rep::_S_empty_rep_storage)
2613         (basic_string<wchar_t>::_Rep::_S_empty_rep_storage): Add explicit
2614         instantiation declarations.
2615         [__cplusplus > 201402] (operator>>, operator<<, getline): Re-enable
2616         explicit instantiation declarations.
2617         * testsuite/21_strings/basic_string/cons/char/86138.cc: New.
2618         * testsuite/21_strings/basic_string/cons/wchar_t/86138.cc: New.
2619
2620 2018-06-21  Jonathan Wakely  <jwakely@redhat.com>
2621
2622         PR libstdc++/83328
2623         * acinclude.m4 (libtool_VERSION): Bump to 6:26:0.
2624         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 and export new symbol.
2625         * configure: Regenerate.
2626         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
2627         (basic_string::insert(const_iterator, initializer_list<C>)): Add.
2628         [_GLIBCXX_USE_CXX11_ABI && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
2629         (basic_string::insert(iterator, initializer_list<C>)): Suppress
2630         definition.
2631         * include/debug/string (basic_string::insert(iterator, C)): Change
2632         first parameter to const_iterator.
2633         (basic_string::insert(iterator, size_type, C)): Likewise. Change
2634         return type to iterator.
2635         (basic_string::insert(iterator, InputIterator, InputIterator)):
2636         Likewise.
2637         (basic_string::insert(iterator, initializer_list<C>)): Change first
2638         parameter to const_iterator and return type to iterator.
2639         * src/c++11/string-inst.cc: Extend comment.
2640         * testsuite/21_strings/basic_string/modifiers/insert/char/83328.cc:
2641         New.
2642         * testsuite/21_strings/basic_string/modifiers/insert/wchar_t/83328.cc:
2643         New.
2644         * testsuite/util/testsuite_abi.cc: Add new symbol version.
2645
2646         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2647
2648         PR libstdc++/70940
2649         * include/experimental/memory_resource
2650         (__resource_adaptor_imp::do_deallocate): Add missing return.
2651         * testsuite/experimental/memory_resource/new_delete_resource.cc: New.
2652         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
2653         resource_adaptor with std::allocator, __gnu_cxx::new_allocator and
2654         __gnu_cxx::malloc_allocator.
2655
2656         PR libstdc++/70940
2657         * include/experimental/memory_resource (__resource_adaptor_common):
2658         New base class.
2659         (__resource_adaptor_common::_AlignMgr): Helper for obtaining aligned
2660         pointer from unaligned, and vice versa.
2661         (__resource_adaptor_imp::do_allocate): Use _AlignMgr to adjust
2662         allocated pointer to meet alignment request.
2663         (__resource_adaptor_imp::do_deallocate): Use _AlignMgr to retrieve
2664         original pointer for deallocation.
2665         (__resource_adaptor_imp::do_is_equal): Reformat.
2666         (__resource_adaptor_imp::_S_aligned_size): Remove.
2667         (__resource_adaptor_imp::_S_supported): Remove.
2668         (new_delete_resource): Use __gnu_cxx::new_allocator.
2669         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
2670         extended alignments and use debug_allocator to check for matching
2671         allocate/deallocate pairs.
2672
2673 2018-06-21  François Dumont  <fdumont@gcc.gnu.org>
2674
2675         * include/debug/safe_iterator.h
2676         (_Safe_iterator<>(const _Safe_iterator<_MutableIterator,>& __x)):
2677         Compare __x base iterator with a value-initialized iterator of the
2678         same type.
2679
2680 2018-06-20  Jonathan Wakely  <jwakely@redhat.com>
2681
2682         PR libstdc++/70966
2683         * include/experimental/memory_resource (__resource_adaptor_imp): Add
2684         static assertions to enforce requirements on pointer types.
2685         (__resource_adaptor_imp::get_allocator()): Add noexcept.
2686         (new_delete_resource, null_memory_resource): Return address of an
2687         object with dynamic storage duration.
2688         (__null_memory_resource): Remove.
2689         * testsuite/experimental/memory_resource/70966.cc: New.
2690
2691         * testsuite/20_util/duration/arithmetic/dr3050.cc: Add new test
2692         missed from recent commit.
2693
2694 2018-06-19  Jonathan Wakely  <jwakely@redhat.com>
2695
2696         * include/std/utility: Remove unused <exception> header.
2697
2698 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
2699
2700         LWG 2975 ensure construct(pair<T,U>*, ...) used to construct pairs
2701         * include/std/scoped_allocator (__not_pair): Define SFINAE helper.
2702         (construct(_Tp*, _Args&&...)): Remove from overload set when _Tp is
2703         a specialization of std::pair.
2704         * testsuite/20_util/scoped_allocator/construct_pair.cc: Ensure
2705         pair elements are constructed correctly.
2706
2707         LWG 2989 hide path iostream operators from normal lookup
2708         * include/bits/fs_path.h (operator<<, operator>>): Define inline as
2709         friends.
2710         * testsuite/27_io/filesystem/path/io/dr2989.cc: New.
2711
2712         LWG 3050 Fix cv-qualification of convertibility constraints
2713         * include/std/chrono (duration, operator*, operator/, operator%): Use
2714         const-qualified type as source type in is_convertible constraints.
2715         * testsuite/20_util/duration/arithmetic/dr3050.cc: New.
2716         * testsuite/20_util/duration/cons/dr3050.cc: New.
2717         * testsuite/20_util/duration/literals/range.cc: Rename to...
2718         * testsuite/20_util/duration/literals/range_neg.cc: Here. Adjust
2719         dg-error lineno.
2720
2721 2018-06-18  Maya Rashish  <coypu@sdf.org>
2722
2723         * crossconfig.m4: Handle OpenBSD just like NetBSD.
2724         * configure: Rebuilt.
2725
2726 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
2727
2728         P0754R2 <version> header
2729         * include/Makefile.am: Add new header.
2730         * include/Makefile.in: Regenerate.
2731         * include/bits/c++config: Change doxygen comment to suggest <version>
2732         instead of <iosfwd>.
2733         * include/precompiled/stdc++.h: Include <cwchar> and <cwctype>
2734         unconditionally.  Add C++17 and C++20 headers.
2735         * include/std/version: New header.
2736         * testsuite/17_intro/headers/c++2017/all_attributes.cc: New.
2737         * testsuite/17_intro/headers/c++2017/all_no_exceptions.cc: New.
2738         * testsuite/17_intro/headers/c++2017/all_no_rtti.cc: New.
2739         * testsuite/17_intro/headers/c++2017/all_pedantic_errors.cc: New.
2740         * testsuite/17_intro/headers/c++2017/operator_names.cc: New.
2741         * testsuite/17_intro/headers/c++2017/stdc++.cc: New.
2742         * testsuite/17_intro/headers/c++2017/stdc++_multiple_inclusion.cc:
2743         New.
2744         * testsuite/17_intro/headers/c++2020/all_attributes.cc: New.
2745         * testsuite/17_intro/headers/c++2020/all_no_exceptions.cc: New.
2746         * testsuite/17_intro/headers/c++2020/all_no_rtti.cc: New.
2747         * testsuite/17_intro/headers/c++2020/all_pedantic_errors.cc: New.
2748         * testsuite/17_intro/headers/c++2020/operator_names.cc: New.
2749         * testsuite/17_intro/headers/c++2020/stdc++.cc: New.
2750         * testsuite/17_intro/headers/c++2020/stdc++_multiple_inclusion.cc:
2751         New.
2752         * testsuite/18_support/headers/version/macros.cc: New.
2753         * testsuite/18_support/headers/version/macros.cc: New.
2754
2755         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Only check when
2756         enable_libstdcxx_filesystem_ts = yes. Check for link, readlink and
2757         symlink.
2758         * config.h.in: Regenerate.
2759         * configure: Regenerate.
2760         * configure.ac: Remove AC_CHECK_FUNCS for link, readlink and symlink.
2761
2762         LWG 3035. std::allocator's constructors should be constexpr
2763         * include/bits/allocator.h (allocator): Add constexpr to constructors
2764         for C++2a. Replace dynamic exception specifications with NOTHROW
2765         macro.
2766         (allocator, operator==, operator!=): Replace USE_NOEXCEPT macro with
2767         NOTHROW.
2768         * include/bits/c++config (_GLIBCXX20_CONSTEXPR): Define.
2769         * include/ext/malloc_allocator.h (malloc_allocator): Add constexpr
2770         to constructors for C++2a.
2771         * include/ext/new_allocator.h (new_allocator): Likewise.
2772
2773 2018-06-16  Jonathan Wakely  <jwakely@redhat.com>
2774
2775         LWG 3076 basic_string CTAD ambiguity
2776         * doc/xml/manual/intro.xml: Document LWG 3076 change.
2777         * include/bits/basic_string.h
2778         [__cpp_deduction_guides && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
2779         (basic_string(const _CharT*, const _Alloc&)): Turn into a function
2780         template constrained by _RequireAllocator.
2781         (basic_string(size_type, _CharT, const _Alloc&)): Likewise.
2782         * src/c++11/string-inst.cc (_GLIBCXX_DEFINING_STRING_INSTANTIATIONS):
2783         Define.
2784         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2785         deduction
2786         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2787         Likewise.
2788
2789 2018-06-15  Jonathan Wakely  <jwakely@redhat.com>
2790
2791         PR libstdc++/86169
2792         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2793         (basic_string::data()): Unshare string.
2794         * testsuite/21_strings/basic_string/operations/data/char/86169.cc:
2795         New.
2796
2797         * include/std/string_view (basic_string_view(const CharT*)): Remove
2798         check for null pointer and add nonnull attribute.
2799         (compare(const CharT*), compare(size_type, size_type, const CharT*))
2800         (find(const CharT*, size_type), rfind(const CharT*, size_type))
2801         (find_first_of(const CharT*, size_type))
2802         (find_last_of(const CharT*, size_type))
2803         (find_first_not_of(const CharT*, size_type))
2804         (find_last_not_of(const CharT*, size_type)): Add nonnull attribute.
2805         * testsuite/21_strings/basic_string_view/cons/char/nonnull.cc: New.
2806         * testsuite/21_strings/basic_string_view/operations/compare/char/
2807         nonnull.cc: New.
2808         * testsuite/21_strings/basic_string_view/operations/find/char/
2809         nonnull.cc: New.
2810         * testsuite/21_strings/basic_string_view/operations/rfind/char/
2811         nonnull.cc: New.
2812
2813         PR libstdc++/86168
2814         * include/bits/random.h (random_device(const string&)): Remove
2815         default argument.
2816
2817         * include/bits/char_traits.h (__cpp_lib_constexpr_char_traits): Only
2818         define for C++17 and above.
2819
2820         LWG 2993 reference_wrapper<T> conversion from T&&
2821         * doc/xml/manual/intro.xml: Document LWG 2993 change.
2822         * include/bits/refwrap.h (reference_wrapper(_Tp&)): Remove.
2823         (reference_wrapper(_Tp&&)): Remove.
2824         (reference_wrapper<_Up>(_Up&&)): Define new constructor as constrained
2825         template.
2826         (reference_wrapper): Add deduction guide.
2827         * testsuite/20_util/reference_wrapper/deduction.cc: New.
2828         * testsuite/20_util/reference_wrapper/lwg2993.cc: New.
2829
2830         LWG 3039 Unnecessary decay in thread and packaged_task
2831         * include/std/future (__constrain_pkgdtask): Replace with ...
2832         (packaged_task::__not_same): New alias template, using
2833         __remove_cvref_t instead of decay.
2834         * include/std/thread (thread::__not_same): Add comment.
2835
2836 2018-06-14  Jonathan Wakely  <jwakely@redhat.com>
2837
2838         LWG 3075 basic_string needs deduction guides from basic_string_view
2839         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2840         deduction from string views.
2841         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2842         Likewise.
2843
2844         LWG 3074 make scalar types non-deduced in valarray non-member functions
2845         * include/bits/valarray_after.h (_DEFINE_EXPR_BINARY_FUNCTION): Change
2846         scalar parameters to be a non-deduced context.
2847         * include/std/valarray (_DEFINE_BINARY_OPERATOR): Likewise. Adjust
2848         whitespace.
2849         * testsuite/26_numerics/valarray/operators.cc: Test scalar operands.
2850         * testsuite/26_numerics/valarray/transcend.cc: New.
2851
2852         * include/std/tuple (__cpp_lib_tuple_element_t, tuple_element_t):
2853         Move back to <utility>.
2854         * include/std/utility (__cpp_lib_tuple_element_t. tuple_element_t):
2855         Restore to here.
2856
2857         P0935R0 Eradicating unnecessarily explicit default constructors
2858         * include/backward/strstream (strstreambuf): Add non-explicit default
2859         constructor.
2860         * include/bits/locale_conv.h (wbuffer_convert, wstring_convert):
2861         Likewise.
2862         * include/bits/regex.h (match_results): Likewise.
2863         * testsuite/22_locale/conversions/buffer/1.cc: Test for non-explicit
2864         default constructor.
2865         * testsuite/22_locale/conversions/string/1.cc: Likewise.
2866         * testsuite/28_regex/match_results/ctors/char/default.cc: Likewise.
2867         * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.
2868
2869         * include/std/tuple (__cpp_lib_tuple_element_t): Move feature test
2870         macro from <utility> and change type to long.
2871         * include/std/utility (__cpp_lib_tuple_element_t): Remove.
2872         * testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test
2873         macro.
2874
2875         P0935R0 Eradicating unnecessarily explicit default constructors
2876         * include/bits/random.h (uniform_real_distribution::param_type)
2877         (normal_distribution::param_type, lognormal_distribution::param_type)
2878         (gamma_distribution::param_type, chi_squared_distribution::param_type)
2879         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
2880         (student_t_distribution::param_type)
2881         (bernoulli_distribution::param_type)
2882         (binomial_distribution::param_type)
2883         (geometric_distribution::param_type)
2884         (negative_binomial_distribution::param_type)
2885         (poisson_distribution::param_type)
2886         (exponential_distribution::param_type)
2887         (weibull_distribution::param_type)
2888         (extreme_value_distribution::param_type): Add non-explicit default
2889         constructors. Remove default argument for first parameter of explicit
2890         constructors.
2891         * include/bits/uniform_int_dist.h
2892         (uniform_int_distribution::param_type): Likewise.
2893         * include/ext/random
2894         (beta_distribution::param_type, rice_distribution::param_type)
2895         (nakagami_distribution::param_type, pareto_distribution::param_type)
2896         (k_distribution::param_type, arcsine_distribution::param_type)
2897         (hoyt_distribution::param_type, triangular_distribution::param_type)
2898         (von_mises_distribution::param_type)
2899         (hypergeometric_distribution::param_type)
2900         (logistic_distribution::param_type)
2901         (uniform_inside_sphere_distribution::param_type): Likewise.
2902         (uniform_on_sphere_distribution::param_type): Make default constructor
2903         non-explicit.
2904         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
2905         Test param_type for non-explicit default constructor.
2906         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
2907         Likewise.
2908         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
2909         Likewise.
2910         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
2911         Likewise.
2912         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
2913         Likewise.
2914         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
2915         Likewise.
2916         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
2917         Likewise.
2918         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
2919         Likewise.
2920         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
2921         Likewise.
2922         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
2923         Likewise.
2924         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
2925         Likewise.
2926         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
2927         Likewise.
2928         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
2929         Likewise.
2930         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
2931         Likewise.
2932         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
2933         Likewise.
2934         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
2935         Likewise.
2936         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
2937         Likewise.
2938         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
2939         Likewise.
2940         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
2941         Likewise.
2942         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
2943         Likewise.
2944         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
2945         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
2946         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
2947         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
2948         Likewise.
2949         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
2950         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
2951         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
2952         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
2953         Likewise.
2954         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
2955         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
2956         * testsuite/ext/random/triangular_distribution/cons/default.cc:
2957         Likewise.
2958         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
2959         Likewise.
2960         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
2961         Likewise.
2962         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
2963         Likewise.
2964
2965 2018-06-14  Daniel Trebbien <dtrebbien@gmail.com>
2966             Jonathan Wakely  <jwakely@redhat.com>
2967
2968         PR libstdc++/83982
2969         * include/bits/vector.tcc (vector::_M_default_append(size_type)):
2970         Default-construct new elements before moving existing ones.
2971         * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
2972         New.
2973
2974 2018-06-13  Jonathan Wakely  <jwakely@redhat.com>
2975
2976         PR libstdc++/86127
2977         * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove
2978         unused typedef.
2979         (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after):
2980         Use node allocator to create and destroy elements.
2981         (forward_list::_Tp_alloc_type): Remove unused typedef.
2982         (forward_list::_Alloc_traits): Use allocator_traits instead of
2983         __gnu_cxx::__alloc_traits.
2984
2985 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
2986
2987         * include/debug/helper_functions.h
2988         (__gnu_debug::_Safe_iterator<>): Add declaration.
2989         (__can_advance(_Ite, _Size)): New.
2990         (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration.
2991         * include/debug/functions.h
2992         (__gnu_debug::_Safe_iterator<>): Remove declaration.
2993         * include/debug/stl_iterator.h
2994         (__can_advance(const _Safe_iterator<>&)): New definition.
2995         * include/debug/stl_iterator.h
2996         (__can_advance(const std::reverse_iterator<>&, _Size)): New.
2997         (__can_advance(const std::move_iterator<>&, _Size)): New.
2998         * include/debug/macros.h (__glibcxx_check_can_increment): New.
2999         * include/debug/debug.h (__glibcxx_requires_can_increment): New.
3000         * include/bits/stl_algobase.h (fill_n): Use latter.
3001         * testsuite/25_algorithms/fill_n/2.cc: New.
3002         * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New.
3003         * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New.
3004         * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New.
3005         * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New.
3006
3007         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
3008         (__glibcxx_requires_can_decrement_range): New.
3009
3010 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
3011
3012         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
3013         (__glibcxx_check_can_decrement_range): New.
3014         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
3015         __glibcxx_requires_can_increment_range.
3016         (std::move(_II, _II, _OI)): Likewise.
3017         (std::copy_backward(_BI, _BI, _BI2)): Use
3018         __glibcxx_requires_can_decrement_range.
3019         (std::move_backward(_BI, _BI, _BI2)): Likewise.
3020         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
3021         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
3022         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
3023         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
3024         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
3025         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
3026
3027 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
3028
3029         P0935R0 Eradicating unnecessarily explicit default constructors
3030         * include/bits/random.h (linear_congruential_engine)
3031         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
3032         (uniform_real_distribution, normal_distribution)
3033         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
3034         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
3035         (bernoulli_distribution, binomial_distribution,geometric_distribution)
3036         (negative_binomial_distribution, exponential_distribution)
3037         (weibull_distribution, extreme_value_distribution): Add non-explicit
3038         default constructors. Remove default argument for first parameter of
3039         explicit constructors.
3040         (piecewise_constant_distribution, piecewise_linear_distribution):
3041         Make default constructor non-explicit.
3042         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
3043         non-explicit default constructors. Remove default argument for first
3044         parameter of explicit constructor.
3045         * include/ext/random
3046         (simd_fast_mersenne_twister_engine, beta_distribution)
3047         (rice_distribution, nakagami_distribution, pareto_distribution)
3048         (k_distribution, arcsine_distribution, hoyt_distribution)
3049         (triangular_distribution, von_mises_distribution)
3050         (hypergeometric_distribution, logistic_distribution)
3051         (uniform_inside_sphere_distribution): Likewise.
3052         (uniform_on_sphere_distribution): Make default constructor
3053         non-explicit.
3054         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
3055         Test for non-explicit default constructor. Fix references to standard.
3056         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
3057         Likewise.
3058         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
3059         Likewise.
3060         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
3061         Likewise.
3062         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
3063         Likewise.
3064         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
3065         Likewise.
3066         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
3067         Likewise.
3068         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
3069         Likewise.
3070         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
3071         Likewise.
3072         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
3073         Likewise.
3074         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
3075         Likewise.
3076         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
3077         Likewise.
3078         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
3079         Likewise.
3080         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
3081         Likewise.
3082         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
3083         Likewise.
3084         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
3085         Likewise.
3086         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
3087         Likewise.
3088         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
3089         Likewise.
3090         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
3091         Likewise.
3092         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
3093         Likewise.
3094         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
3095         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
3096         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
3097         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
3098         Likewise.
3099         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
3100         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
3101         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
3102         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
3103         Likewise.
3104         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
3105         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
3106         * testsuite/ext/random/triangular_distribution/cons/default.cc:
3107         Likewise.
3108         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
3109         Likewise.
3110         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
3111         Likewise.
3112         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
3113         Likewise.
3114         * testsuite/util/testsuite_common_types.h
3115         (implicitly_default_constructible): New helper.
3116
3117 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
3118
3119         * include/bits/ios_base.h (ios::Init::Init(const Init&))
3120         (ios::Init::operator=): Define as defaulted.
3121         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
3122         Likewise.
3123         * include/bits/stream_iterator.h (istream_iterator::operator=)
3124         (ostream_iterator::operator=): Likewise.
3125         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
3126         Likewise.
3127         * include/std/bitset (bitset::reference::reference(const reference&)):
3128         Likewise.
3129         * include/std/complex (complex<float>::complex(const complex&))
3130         (complex<double>::complex(const complex&))
3131         (complex<long double>::complex(const complex&)): Likewise.
3132
3133 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
3134
3135         * include/bits/regex.h (sub_match): Add noexcept to default
3136         constructor and length observer.
3137         (match_results): Add noexcept to default constructor and observers
3138         with no preconditions. Define destructor as defaulted.
3139         (operator==, operator!=, swap): Add noexcept.
3140         (regex_iterator): Add default member initializers and define default
3141         constructor and destructor as defaulted. Add noexcept to equality
3142         and dereference operators.
3143
3144 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
3145
3146         * src/c++11/debug.cc
3147         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
3148         (_Safe_iterator_base::_M_detach_single()): Likewise.
3149         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
3150         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
3151
3152 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
3153
3154         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
3155         move of const value.
3156
3157 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
3158
3159         PR c++/86068
3160         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
3161         rather than __cpp_transactional_memory >= 201505L.
3162
3163 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
3164
3165         PR libstdc++/86008
3166         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
3167         Define new partial specialization.
3168         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
3169         new overload.
3170         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
3171         value not reference for iteration.
3172         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
3173         comment.
3174         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
3175         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
3176         comment.
3177
3178 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
3179
3180         * include/std/type_traits: Fix comment typos.
3181
3182         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
3183         mingw* targets.
3184         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
3185         * testsuite/experimental/filesystem/operations/read_symlink.cc:
3186         Likewise.
3187
3188 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
3189
3190         * include/bits/stl_tempbuf.h
3191         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
3192         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
3193         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
3194         * include/bits/stl_algo.h (__stable_partition): Adapt.
3195         (__inplace_merge): Adapt.
3196         (__stable_sort): Adapt.
3197
3198 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
3199
3200         PR libstdc++/85930
3201         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
3202         unconditionally. Remove redundant declaration.
3203         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
3204         alignment-specifier.
3205
3206         * include/bits/postypes.h (fpos): Define special members as defaulted.
3207
3208         PR libstdc++/85930
3209         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
3210         the static variable correctly.
3211
3212 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
3213
3214         PR libstdc++/78870 support std::filesystem on Windows
3215         * config.h.in: Regenerate.
3216         * configure: Regenerate.
3217         * configure.ac: Check for link, readlink and symlink.
3218         * include/bits/fs_path.h (path::operator/=(const path&)): Move
3219         definition out of class body.
3220         (path::is_absolute(), path::_M_append(path)): Likewise.
3221         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
3222         (operator>>(basic_istream, path&)): Likewise.
3223         (u8path): Reorder definitions and fix Windows implementation.
3224         (path::is_absolute()): Define inline and fix for Windows.
3225         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
3226         Define POSIX version inline.
3227         (path::_M_append(path)): Define inline.
3228         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
3229         definition out of class body.
3230         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
3231         escape characters.
3232         (operator>>(basic_istream, path&)): Likewise.
3233         (path::is_absolute()): Define inline and fix for Windows.
3234         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
3235         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
3236         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
3237         Define as adaptors for Windows functions/types or as
3238         using-declarations for POSIX functions/types.
3239         (_Dir_base, get_file_type): Qualify names to use declarations from
3240         __gnu_posix namespace.
3241         (_Dir_base::is_dor_or_dotdot): New helper functions.
3242         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
3243         names to use declarations from __gnu_posix namespace.
3244         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
3245         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
3246         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
3247         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
3248         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
3249         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
3250         Define as adaptors for Windows functions/types or as
3251         using-declarations for POSIX functions/types.
3252         (stat_type, do_copy_file): Qualify names to use declarations from
3253         __gnu_posix namespace.
3254         (do_space): Declare new function.
3255         (make_file_type): Only use S_ISLNK if defined.
3256         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
3257         path::value_type not char.
3258         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
3259         names to use declarations from __gnu_posix namespace.
3260         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
3261         add implementation for Windows.
3262         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
3263         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
3264         [!_PC_PATH_MAX]: Don't use pathconf.
3265         [PATH_MAX]: Use if defined.
3266         (filesystem::current_path(const path&, error_code&))
3267         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
3268         (filesystem::last_write_time, filesystem::permissions): Use names
3269         from __gnu_posix.
3270         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
3271         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
3272         implementation for Windows.
3273         (filesystem::rename, filesystem::resize_file): Use names from
3274         __gnu_posix.
3275         (filesystem::space): Use do_space.
3276         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
3277         (filesystem::status, filesystem::symlink_status): Use names from
3278         __gnu_posix.
3279         (filesystem::temp_directory_path): Add implementation for Windows.
3280         * src/filesystem/path.cc (dot): Define constant.
3281         (path::replace_extension): Use dot.
3282         (path::_M_find_extension): Likewise. Use path::string_type not
3283         std::string.
3284         (path::_M_split_cmpts): Use dot.
3285         (filesystem_error::_M_get_what): Use u8string() not native().
3286         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
3287         Qualify names to use declarations from __gnu_posix namespace.
3288         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
3289         correct error_code.
3290         (filesystem::absolute(const path&, error_code&)): Add implementation
3291         for Windows.
3292         (char_ptr, filesystem::canonical): Use path::value_type not char.
3293         (do_copy_file): Use names from __gnu_posix.
3294         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
3295         sendfile.
3296         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
3297         names to use declarations from __gnu_posix namespace.
3298         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
3299         add implementation for Windows.
3300         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
3301         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
3302         [!_PC_PATH_MAX]: Don't use pathconf.
3303         [PATH_MAX]: Use if defined.
3304         (filesystem::current_path(const path&, error_code&))
3305         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
3306         (filesystem::last_write_time, filesystem::permissions): Use names
3307         from __gnu_posix.
3308         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
3309         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
3310         implementation for Windows.
3311         (filesystem::rename, filesystem::resize_file): Use names from
3312         __gnu_posix.
3313         (do_space): Define.
3314         (filesystem::space): Use do_space.
3315         (filesystem::status, filesystem::symlink_status): Use names from
3316         __gnu_posix.
3317         (filesystem::temp_directory_path): Add implementation for Windows.
3318         * src/filesystem/std-path.cc
3319         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
3320         Define for Windows.
3321         (dot): Define constant.
3322         (path::replace_extension, is_dot): Use dot.
3323         (path::lexically_normal): Check _M_type instead of calling
3324         non-existent function.
3325         (path::_M_find_extension): Use dot. Use path::string_type not
3326         std::string.
3327         (path::_M_split_cmpts): Use dot.
3328         (filesystem_error::_M_get_what): Use u8string() not native().
3329         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
3330         use symlinks.
3331         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
3332         Likewise.
3333         * testsuite/27_io/filesystem/operations/absolute.cc: Use
3334         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
3335         * testsuite/27_io/filesystem/operations/canonical.cc: Use
3336         path::string() to get narrow string, not path::native().
3337         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
3338         with std::filesystem::path not std::basic_string.
3339         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
3340         * testsuite/27_io/filesystem/operations/exists.cc: Use
3341         __gnu_test::root_path() instead of "/".
3342         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
3343         fstreams with std::filesystem::path not std::basic_string.
3344         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
3345         path::string() to get narrow string.
3346         * testsuite/27_io/filesystem/operations/space.cc: Check results for
3347         errors, expect sensible values otherwise.
3348         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
3349         helpers for adjusting the environment on Windows.
3350         * testsuite/27_io/filesystem/path/append/path.cc: Test
3351         Windows-specific behaviour.
3352         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
3353         of path::string_type objects.
3354         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
3355         string to wide string on Windows.
3356         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
3357         for backslash as root-directory.
3358         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
3359         path::string() to get narrow string.
3360         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
3361         paths.
3362         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
3363         not std::string.
3364         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
3365         different definintion of absolute paths on Windows.
3366         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3367         Do not use symlinks.
3368         * testsuite/experimental/filesystem/operations/absolute.cc: Test
3369         Windows behaviour.
3370         * testsuite/experimental/filesystem/operations/copy.cc: Construct
3371         fstreams with NTCTS not std::basic_string.
3372         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
3373         * testsuite/experimental/filesystem/operations/exists.cc: Use
3374         __gnu_test::root_path() instead of "/".
3375         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
3376         fstreams with NTCTS not std::basic_string.
3377         * testsuite/experimental/filesystem/operations/last_write_time.cc:
3378         Use path::string() to get narrow string.
3379         * testsuite/experimental/filesystem/operations/space.cc: Use
3380         __gnu_test::root_path() instead of "/".
3381         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
3382         Add helpers for adjusting the environment on Windows.
3383         * testsuite/experimental/filesystem/path/append/path.cc: Use
3384         path::string() to get narrow strings for comparisons.
3385         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
3386         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
3387         Likewise.
3388         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
3389         * testsuite/experimental/filesystem/path/native/string.cc: Use
3390         string_type not std::string.
3391         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
3392         Adjust for different definintion of absolute paths on Windows.
3393         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
3394         function.
3395         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
3396         std::basic_string.
3397
3398 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
3399
3400         PR libstdc++/85951
3401         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
3402         uint_least16_t and uint_least32_t.
3403         (__make_unsigned<wchar_t>): Define unconditionally.
3404         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
3405         typedefs.
3406         (__make_unsigned_selector_base): New type to provide helper templates.
3407         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
3408         __make_unsigned_selector_base helpers.
3409         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
3410         (__make_signed_selector<_Tp, true, false>): Remove intermediate
3411         typedefs.
3412         (__make_signed<wchar_t>, __make_signed<char16_t>)
3413         (__make_signed<char32_t>)): Define unconditionally.
3414         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
3415         wchar_t, char16_t and char32_t are transformed correctly.
3416         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
3417         dg-error lineno.
3418         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
3419         wchar_t, char16_t and char32_t are transformed correctly.
3420         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
3421         dg-error lineno.
3422
3423 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
3424
3425         * include/std/variant (__erased_dtor): Qualify call to __get.
3426
3427 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
3428
3429         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
3430         (_Rb_tree(const allocator_type&)): Use latter.
3431         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
3432         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
3433         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
3434         * include/bits/stl_multimap.h
3435         (multimap(const allocator_type&)): Likewise.
3436         (multimap(initializer_list<value_type>, const allocator_type&)):
3437         Likewise.
3438         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
3439         Likewise.
3440         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
3441         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
3442         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
3443         * include/bits/stl_multiset.h
3444         (multiset(const allocator_type&)): Likewise.
3445         (multiset(initializer_list<value_type>, const allocator_type&)):
3446         Likewise.
3447         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
3448         Likewise.
3449
3450 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
3451
3452         PR libstdc++/85768
3453         * src/c++11/debug.cc: Remove backtrace usage.
3454
3455 2018-05-24  Maya Rashish  <coypu@sdf.org>
3456
3457         PR target/85904
3458         * crossconfig.m4: Test for aligned_alloc on netbsd.
3459         * configure: Regenerate.
3460
3461 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
3462
3463         PR libstdc++/69769
3464         PR libstdc++/85886
3465         * include/bits/atomic_base.h (__atomic_base::value_type)
3466         (__atomic_base::difference_type): Add new typedefs.
3467         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
3468         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
3469         (atomic<T*>::operator++, atomic<T*>::operator--)
3470         (atomic<T*>::operator+=, atomic<T*>::operator-=)
3471         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
3472         to enforce C++17 requirement on pointer arithmetic.
3473         (__atomic_val_t, __atomic_diff_t): New alias templates.
3474         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
3475         (atomic_compare_exchange_weak_explicit)
3476         (atomic_compare_exchange_strong_explicit, atomic_store)
3477         (atomic_exchange, atomic_compare_exchange_weak)
3478         (atomic_compare_exchange_strong): Use __atomic_val_t to make
3479         scalar parameters be non-deduced contexts.
3480         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
3481         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
3482         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
3483         parameters.
3484         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
3485         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
3486         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
3487         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
3488         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
3489         address types.
3490         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
3491         * testsuite/29_atomics/atomic/69769.cc: New test.
3492         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
3493         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
3494         Disable test for C++17 and later.
3495         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
3496         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
3497         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
3498         test.
3499
3500 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
3501
3502         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
3503         template to alias template.
3504         (path::__value_type_is_char): Use remove_const_t.
3505         (path:_S_string_from_iter): New helper function.
3506         (path::_S_convert(InputIter, __null_terminated))
3507         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
3508         Use _S_string_from_iter.
3509         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
3510         rep for COW strings.
3511         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
3512         Change from class template to alias template.
3513         (path::__value_type_is_char): Use remove_const.
3514         (path:_S_string_from_iter): New helper function.
3515         (path::_S_convert(InputIter, __null_terminated))
3516         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
3517         Use _S_string_from_iter.
3518         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
3519         wide strings.
3520         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
3521         string equality, not path equivalence.
3522         * testsuite/27_io/filesystem/path/construct/format.cc: Check
3523         construction from std::string and std::wstring and input iterators.
3524         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
3525         construction from iterators.
3526         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
3527         exact string equality, not path equivalence.
3528         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
3529         construction from iterators.
3530
3531         * include/bits/fs_path.h (path::_M_type): Change default member
3532         initializer to _Filename.
3533         (path::begin): Create past-the-end iterator for empty path.
3534         * src/filesystem/std-path.cc (path::remove_filename()): Remove
3535         debugging check.
3536         (path::has_relative_path()): Return false for empty filenames.
3537         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
3538         Fix offset of empty final component.
3539         * testsuite/27_io/filesystem/path/itr/components.cc: New.
3540         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
3541
3542 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
3543
3544         Add support for opening file streams from wide character strings.
3545         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
3546         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
3547         Define new overload.
3548         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
3549         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
3550         Declare new overload.
3551         * configure.ac: Check for _wfopen.
3552         * crossconfig.m4: Likewise.
3553         * configure: Regenerate.
3554         * config.h.in: Regenerate.
3555         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
3556         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
3557         Define new overload.
3558         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
3559         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
3560         Declare new overload.
3561         [_GLIBCXX_HAVE__WFOPEN]
3562         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3563         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
3564         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3565         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
3566         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3567         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
3568         new overloads.
3569         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
3570         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
3571         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
3572         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
3573         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
3574         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
3575         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
3576
3577 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
3578
3579         PR libstdc++/85845
3580         * include/bits/stl_tree.h
3581         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
3582         qualification.
3583
3584 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
3585
3586         * src/filesystem/std-ops.cc (absolute): Report an error for empty
3587         paths.
3588         (weakly_canonical(const path&)): Do not call canonical on empty path.
3589         (weakly_canonical(const path&, error_code&)): Likewise.
3590         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
3591
3592         PR libstdc++/85818
3593         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
3594         dg-require-filesystem-ts.
3595
3596         PR libstdc++/85843
3597         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
3598         initialize base class to avoid warnings.
3599
3600 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
3601
3602         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
3603         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
3604         little_endian element in bitmask.
3605         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
3606         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
3607
3608 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
3609
3610         * include/bits/stl_tree.h
3611         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
3612         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
3613         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
3614         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
3615         * include/debug/map.h
3616         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
3617         * include/debug/multimap.h
3618         (multimap(multimap&&, const_allocator_type&)): Likewise.
3619         * include/debug/set.h
3620         (set(set&&, const_allocator_type&)): Likewise.
3621         * include/debug/multiset.h
3622         (multiset(multiset&&, const_allocator_type&)): Likewise.
3623         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
3624         Add checks.
3625         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
3626         Add checks.
3627         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
3628         Add checks.
3629         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
3630         Add checks.
3631         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
3632         Add checks.
3633         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
3634         Add checks.
3635         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
3636         Add checks.
3637         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
3638         Add checks.
3639
3640 2018-05-18  Jason Merrill  <jason@redhat.com>
3641
3642         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
3643         for conversion to const_iterator.  Add defaulted copy ops.
3644         * libsupc++/new (bad_alloc): Add defaulted copy ops.
3645         * libsupc++/exception.h (exception): Add defaulted copy ops.
3646         * include/std/system_error (system_error): Add defaulted copy ops.
3647         * include/std/stdexcept (domain_error, invalid_argument)
3648         (length_error, out_of_range, range_error, overflow_error)
3649         (underflow_error): Add defaulted copy ops.
3650         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
3651         copy assignment.
3652         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
3653         * include/ext/throw_allocator.h (condition_base): Add defaulted
3654         default and copy ctor and copy assignment.
3655
3656 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
3657
3658         PR libstdc++/85098
3659         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
3660         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
3661         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
3662         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
3663         definitions.
3664         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
3665         whitespace.
3666         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
3667         braces around body of do-while.
3668         * testsuite/28_regex/basic_regex/85098.cc: New
3669
3670 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
3671
3672         PR libstdc++/85818
3673         * src/filesystem/path.cc (path::preferred_separator): Add used
3674         attribute.
3675         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
3676
3677         PR libstdc++/85812
3678         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
3679         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
3680         Refactor to separate non-throwing and throwing implementations.
3681         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
3682         if constructing the object throws.
3683
3684 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
3685
3686         PR libstdc++/85749
3687         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
3688         (linear_congruential_engine, mersenne_twister_engine)
3689         (subtract_with_carry_engine, discard_block_engine)
3690         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
3691         constrain function templates taking seed sequences.
3692         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
3693         (mersenne_twister_engine::seed(_Sseq&))
3694         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
3695         match declarations.
3696         * include/ext/random (simd_fast_mersenne_twister_engine): Use
3697         __is_seed_seq to constrain function templates taking seed sequences.
3698         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
3699         Change return type to match declaration.
3700         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
3701         New.
3702         * testsuite/26_numerics/random/independent_bits_engine/cons/
3703         seed_seq2.cc: New.
3704         * testsuite/26_numerics/random/linear_congruential_engine/cons/
3705         seed_seq2.cc: New.
3706         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
3707         seed_seq2.cc: New.
3708         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
3709         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
3710         New.
3711         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
3712         seed_seq2.cc: New.
3713         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
3714         seed_seq2.cc: New.
3715
3716         PR libstdc++/83891
3717         * include/bits/fs_path.h (path::is_absolute()): Use same definition
3718         for all operating systems.
3719         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
3720         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
3721         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
3722         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
3723
3724         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
3725         unused <vector> header.
3726         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
3727         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
3728         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
3729         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
3730         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
3731         Likewise.
3732         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
3733         Likewise.
3734         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
3735         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
3736         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
3737         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
3738         * testsuite/experimental/filesystem/path/decompose/extension.cc:
3739         Likewise.
3740         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
3741         * testsuite/experimental/filesystem/path/query/has_extension.cc:
3742         Likewise.
3743         * testsuite/experimental/filesystem/path/query/has_filename.cc:
3744         Likewise.
3745         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
3746         Likewise.
3747         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
3748         Likewise.
3749         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
3750         Likewise.
3751         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
3752         Likewise.
3753         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
3754         Likewise.
3755         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
3756         * testsuite/experimental/filesystem/path/query/is_relative.cc:
3757         Likewise.
3758
3759         PR libstdc++/84159
3760         * include/bits/fs_path.h (path::operator/=, path::append): Construct
3761         temporary path before calling _M_append.
3762         (path::_M_append): Change parameter to path and implement C++17
3763         semantics.
3764         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
3765         and more examples from the standard.
3766         * testsuite/27_io/filesystem/path/append/source.cc: New.
3767         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
3768         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
3769
3770         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
3771         __invoke to prevent ADL.
3772
3773 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
3774
3775         PR libstdc++/81256
3776         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
3777         exceptions from _M_terminate_output().
3778         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
3779         exceptions from close().
3780         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
3781
3782         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
3783         (__valarray_get_storage): Call operator new directly. Remove ignored
3784         top-level restrict qualifier and add malloc attribute instead.
3785         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
3786
3787         PR libstdc++/67554
3788         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
3789         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
3790
3791         PR libstdc++/82966
3792         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
3793         instead of type.
3794         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
3795
3796 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
3797
3798         PR libstdc++/80165
3799         * testsuite/20_util/variant/80165.cc: New.
3800
3801 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3802
3803         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
3804         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
3805         of C++11 containers with Debug Mode support.
3806         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
3807         * doc/html/*: Regenerate.
3808
3809 2018-05-10  Jason Merrill  <jason@redhat.com>
3810
3811         * include/bits/regex_compiler.h (_S_cache_size): Change from
3812         function to variable.
3813
3814 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
3815
3816         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
3817         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
3818         argument defaulted to +1.  Doxy comments on same.
3819         * testsuite/special_functions/02_assoc_legendre/
3820         check_value.cc: Regen.
3821         * testsuite/tr1/5_numerical_facilities/special_functions/
3822         02_assoc_legendre/check_value.cc: Regen.
3823
3824 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3825
3826         PR libstdc++/85729
3827         * include/bits/c++config.h (__replacement_assert): Add linkage
3828         specification.
3829         * include/bits/std_abs.h: Add comment to closing brace of block.
3830         * include/c_global/cstddef: Add linkage specification.
3831         * include/c_global/cstring: Likewise.
3832         * include/c_global/cwchar: Likewise.
3833
3834 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
3835
3836         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
3837         Rename in...
3838         (_Safe_iterator<>::_S_constant()): ...that.
3839         * include/debug/safe_local_iterator.h
3840         (_Safe_local_iterator<>::_M_constant()): Rename in...
3841         (_Safe_local_iterator<>::_S_constant()): ...that.
3842         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
3843         (_Iterator_state::__rbegin): New.
3844         (_Iterator_state::__rmiddle): New.
3845         (_Iterator_state::__rend): New.
3846         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
3847         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
3848         iterator type.
3849         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
3850         _Is_iterator)): Likewise.
3851         (_Parameter::_S_reverse_state(_Iterator_state)): New.
3852         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
3853         _Is_iterator)): New.
3854         (_Parameter(std::reverse_iterator<> const&, const char*,
3855         _Is_iterator)): New.
3856         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
3857         const char*, _Is_iterator)): New.
3858         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
3859         New.
3860         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
3861         _Is_iterator)): New.
3862         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
3863         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
3864         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
3865
3866 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
3867
3868         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
3869         Use constexpr if in C++17 mode.
3870         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
3871         Copy from const object.
3872         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
3873
3874 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
3875
3876         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
3877         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
3878         backtrace.
3879
3880         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
3881         * include/debug/functions.h (__check_valid_range): Use latter.
3882         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
3883         use latter.
3884         * include/debug/deque
3885         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3886         * include/debug/forward_list
3887         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
3888         Likewise.
3889         * include/debug/list
3890         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3891         * include/debug/list
3892         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3893         * include/debug/map.h
3894         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3895         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3896         Likewise.
3897         * include/debug/multimap.h
3898         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3899         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
3900         const _Alloc&)): Likewise.
3901         * include/debug/set.h
3902         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3903         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3904         Likewise.
3905         * include/debug/multiset.h
3906         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3907         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
3908         const _Alloc&)): Likewise.
3909         * include/debug/string
3910         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
3911         Likewise.
3912         * include/debug/unordered_map
3913         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
3914         Likewise.
3915         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
3916         const _Alloc&)): Likewise.
3917         * include/debug/unordered_set
3918         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
3919         Likewise.
3920         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
3921         const _Alloc&)): Likewise.
3922         * include/debug/vector
3923         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3924
3925         * include/debug/formatter.h (_Error_formatter::_M_function): New.
3926         (_Error_formatter(const char*, unsigned int)): Adapt.
3927         (_Error_formatter::_M_at): Rename in...
3928         (_Error_formatter::_S_at): ...that and adapt.
3929         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
3930         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
3931         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
3932         when available.
3933
3934 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
3935
3936         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
3937         Use normal std::vector even in Debug Mode.
3938
3939         PR libstdc++/85672
3940         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
3941         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
3942         * include/Makefile.in: Regenerate.
3943         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
3944         within conditional block.
3945
3946 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
3947
3948         * doc/xml/manual/using.xml (table.cmd_options): Document that the
3949         C++17 Filesystem implementation also needs -lstdc++fs.
3950
3951         PR libstdc++/85671
3952         * include/bits/fs_path.h (operator/): Permit copy elision.
3953         * include/experimental/bits/fs_path.h (operator/): Likewise.
3954
3955 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
3956
3957         Moar PR libstdc++/80506
3958         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
3959         Fix magic number used in loop condition.
3960
3961 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
3962
3963         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
3964         * include/std/optional (_Optional_payload): Add noexcept to default
3965         constructor. Re-indent.
3966         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
3967         constructor for copying disengaged payloads.
3968         (_Optional_payload<_Tp, true, false, true>): Likewise.
3969         (_Optional_payload<_Tp, true, true, false>): Likewise.
3970         (_Optional_payload<_Tp, true, false, false>): Likewise.
3971         * testsuite/20_util/optional/cons/85642.cc: New.
3972         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
3973
3974 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
3975
3976         PR libstdc++/82644
3977         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
3978         inline definitions instead of using-declarations.
3979         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
3980         * testsuite/tr1/5_numerical_facilities/special_functions/
3981         07_conf_hyperg/compile_cxx17.cc: New.
3982         * testsuite/tr1/5_numerical_facilities/special_functions/
3983         17_hyperg/compile_cxx17.cc: New.
3984
3985         PR libstdc++/84769
3986         * include/std/variant (visit): Qualify std::get call.
3987
3988         PR libstdc++/85632 use uintmax_t for arithmetic
3989         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
3990         arithmetic in result type.
3991         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
3992         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
3993         is greater than free space.
3994         * testsuite/experimental/filesystem/operations/space.cc: New.
3995
3996         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
3997         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
3998         New.
3999         * testsuite/20_util/remove_cvref/value.cc: New.
4000         * testsuite/20_util/remove_cvref/value_ext.cc: New.
4001
4002         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
4003         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
4004         (append(const basic_string&, size_type, size_type)
4005         (assign(const basic_string&, size_type, size_type)
4006         (insert(size_type, const basic_string&, size_type, size_type)
4007         (replace(size_type,size_type,const basic_string&,size_type,size_type)
4008         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
4009         Add default arguments (LWG 2268).
4010         [_GLIBCXX_USE_CXX11_ABI=0]
4011         (append(const basic_string&, size_type, size_type)
4012         (assign(const basic_string&, size_type, size_type)
4013         (insert(size_type, const basic_string&, size_type, size_type)
4014         (replace(size_type,size_type,const basic_string&,size_type,size_type)
4015         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
4016         Likewise.
4017         * testsuite/21_strings/basic_string/dr2268.cc: New test.
4018
4019         PR libstdc++/84535
4020         * include/std/thread (thread::__not_same): New SFINAE helper.
4021         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
4022         first argument is not a std::thread. Add static assertion to check
4023         INVOKE expression is valid.
4024         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
4025         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
4026         __invoke_result for return types and remove exception specifications.
4027         * testsuite/30_threads/thread/cons/84535.cc: New.
4028
4029         * include/std/future (__async_result_of): Use __invoke_result instead
4030         of result_of.
4031
4032         * include/std/any (any_cast): Use __remove_cvref_t.
4033         * include/std/tuple (__make_tuple): Likewise.
4034         * include/std/type_traits (__remove_cvref_t): Define.
4035         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
4036         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
4037         * include/std/variant (__erased_hash): Use __remove_cvref_t.
4038
4039 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
4040
4041         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
4042         ensure overloaded comma not used.
4043         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
4044         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
4045         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
4046         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
4047         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
4048         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
4049         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
4050
4051 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
4052
4053         PR libstdc++/68197
4054         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
4055         indices to unsigned.
4056         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
4057         as failure. Refactor error handling.
4058         * testsuite/27_io/ios_base/storage/68197.cc: New.
4059
4060         PR libstdc++/57997
4061         PR libstdc++/83860
4062         * include/bits/gslice_array.h (gslice_array): Define default
4063         constructor as deleted, as per C++11 standard.
4064         * include/bits/mask_array.h (mask_array): Likewise.
4065         * include/bits/slice_array.h (slice_array): Likewise.
4066         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
4067         to namespace __detail.
4068         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
4069         members.
4070         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
4071         of data members in closure objects.
4072         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
4073         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
4074         __detail.
4075         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
4076         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
4077         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
4078         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
4079         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
4080         using-declarations to namespace std.
4081         * testsuite/26_numerics/valarray/83860.cc: New.
4082
4083         * testsuite/backward/strstream_move.cc: Remove duplicate function
4084         call.
4085
4086         PR libstdc++/69608
4087         * include/backward/strstream (strstreambuf): Define move constructor
4088         and move assignment operator.
4089         (istrstream, ostrstream, strstream): Likewise.
4090         * testsuite/backward/strstream_move.cc: New.
4091
4092 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
4093
4094         PR libstdc++/84654
4095         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
4096         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
4097         * configure: Regenerate.
4098         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
4099         based on ENABLE_FLOAT128.
4100         * include/Makefile.in: Regenerate.
4101         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
4102         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
4103         _GLIBCXX_USE_FLOAT128.
4104
4105 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
4106
4107         * configure: Regenerated.
4108
4109 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
4110
4111         * configure: Regenerated.
4112
4113 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
4114             Jakub Jelinek  <jakub@redhat.com>
4115
4116         PR libstdc++/85442
4117         * src/c++11/Makefile.am: Don't generate debuginfo again for
4118         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
4119         * src/c++11/Makefile.in: Regenerate.
4120
4121 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
4122
4123         PR libstdc++/84442
4124         * testsuite/30_threads/thread/cons/terminate.cc
4125         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
4126
4127 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
4128
4129         PR jit/85384
4130         * configure: Regenerate.
4131
4132 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
4133
4134         * testsuite/experimental/filesystem/file_status/1.cc: Add
4135         -DUSE_FILESYSTEM_TS to dg-options.
4136         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
4137         Likewise.
4138         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
4139         * testsuite/experimental/filesystem/iterators/
4140         recursive_directory_iterator.cc: Likewise.
4141         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
4142         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
4143         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
4144         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
4145         * testsuite/experimental/filesystem/operations/create_directories.cc:
4146         Likewise.
4147         * testsuite/experimental/filesystem/operations/create_directory.cc:
4148         Likewise.
4149         * testsuite/experimental/filesystem/operations/create_symlink.cc:
4150         Likewise.
4151         * testsuite/experimental/filesystem/operations/current_path.cc:
4152         Likewise.
4153         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
4154         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
4155         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
4156         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
4157         * testsuite/experimental/filesystem/operations/last_write_time.cc:
4158         Likewise.
4159         * testsuite/experimental/filesystem/operations/permissions.cc:
4160         Likewise.
4161         * testsuite/experimental/filesystem/operations/read_symlink.cc:
4162         Likewise.
4163         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
4164         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
4165         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
4166         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
4167         Likewise.
4168         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
4169         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
4170         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
4171         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
4172         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
4173         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
4174         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
4175         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
4176         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
4177         * testsuite/experimental/filesystem/path/construct/default.cc:
4178         Likewise.
4179         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
4180         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
4181         * testsuite/experimental/filesystem/path/construct/string_view.cc:
4182         Likewise.
4183         * testsuite/experimental/filesystem/path/decompose/extension.cc:
4184         Likewise.
4185         * testsuite/experimental/filesystem/path/decompose/filename.cc:
4186         Likewise.
4187         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
4188         Likewise.
4189         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
4190         Likewise.
4191         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
4192         Likewise.
4193         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
4194         Likewise.
4195         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
4196         Likewise.
4197         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
4198         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
4199         Likewise.
4200         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
4201         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
4202         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
4203         Likewise.
4204         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
4205         Likewise.
4206         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
4207         Likewise.
4208         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
4209         Likewise.
4210         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
4211         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
4212         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
4213         Likewise.
4214         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
4215         * testsuite/experimental/filesystem/path/query/has_extension.cc:
4216         Likewise.
4217         * testsuite/experimental/filesystem/path/query/has_filename.cc:
4218         Likewise.
4219         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
4220         Likewise.
4221         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
4222         Likewise.
4223         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
4224         Likewise.
4225         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
4226         Likewise.
4227         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
4228         Likewise.
4229         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
4230         * testsuite/experimental/filesystem/path/query/is_relative.cc:
4231         Likewise.
4232
4233 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
4234
4235         * src/c++11/Makefile.am: Fix sed command.
4236         * src/c++11/Makefile.in: Regenerate.
4237
4238         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
4239         handle mangled names starting with double underscores on darwin.
4240         * src/c++11/Makefile.in: Regenerate.
4241
4242 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
4243
4244         * src/c++11/Makefile.am: Fix comment.
4245         * src/c++11/Makefile.in: Regenerate.
4246         * src/c++11/cxx11-ios_failure.cc: Fix comment.
4247         * src/c++98/ios_failure.cc: Likewise.
4248
4249         * src/c++11/ios.cc: Remove redundant macro definition.
4250
4251 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
4252
4253         * doc/xml/manual/abi.xml: Document header locations in recent
4254         releases.
4255         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
4256         * doc/xml/manual/spine.xml: Update copyright years.
4257         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
4258         undefined behaviour.
4259         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
4260         * doc/html/*: Regenerate.
4261
4262 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
4263
4264         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
4265         * doc/xml/manual/backwards_compatibility.xml: Likewise.
4266         * doc/xml/manual/containers.xml: Likewise.
4267         * doc/xml/manual/debug_mode.xml: Likewise.
4268         * doc/xml/manual/extensions.xml: Likewise.
4269         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
4270         * doc/xml/manual/using.xml: Likewise.
4271         * doc/xml/manual/utilities.xml: Likewise.
4272
4273         PR libstdc++/85222
4274         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
4275         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
4276         * src/c++11/Makefile.in: Regenerate.
4277         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
4278         New types.
4279         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
4280         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
4281         * src/c++98/ios_failure.cc (__construct_ios_failure)
4282         (__destroy_ios_failure, is_ios_failure_handler): New functions.
4283         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
4284         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
4285         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
4286         handler types, to always catch std::ios_base::failure.
4287         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
4288         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
4289         exceptions_failbit.cc: Likewise.
4290         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
4291         exceptions_failbit.cc: Likewise.
4292         * testsuite/27_io/basic_istream/extractors_other/char/
4293         exceptions_null.cc: Likewise.
4294         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
4295         exceptions_null.cc: Likewise.
4296         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
4297         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
4298         * testsuite/27_io/basic_ostream/inserters_other/char/
4299         exceptions_null.cc: Likewise.
4300         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
4301         exceptions_null.cc: Likewise.
4302         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
4303
4304 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
4305
4306         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
4307         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
4308
4309 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
4310
4311         PR libstdc++/85183
4312         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
4313         value categories.
4314         * testsuite/20_util/variant/85183.cc: New.
4315
4316 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
4317
4318         * include/std/variant (__get): Qualify calls to avoid ADL.
4319         (__select_index): Adjust whitespace.
4320         (variant): Add using-declaration to workaround Clang bug.
4321
4322 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
4323
4324         PR libstdc++/85040
4325         * include/bits/stl_function.h (greater::__not_overloaded)
4326         (less::__not_overloaded, greater_equal::__not_overloaded)
4327         (less_equal::__not_overloaded): Fix ambiguous specializations.
4328         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
4329         tests for type with overloaded operators.
4330
4331 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4332
4333         PR libstdc++/77691
4334         * testsuite/experimental/memory_resource/resource_adaptor.cc:
4335         xfail execution on 32-bit Solaris/x86.
4336
4337 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
4338
4339         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
4340         VERIFY instead of assert.
4341         * testsuite/20_util/hash/84998.cc: New test.
4342         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
4343         copy of test adjusted for Debug Mode.
4344         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
4345         test in Debug Mode.
4346
4347 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
4348
4349         PR libstdc++/84998
4350         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
4351         * include/std/bitset: Likewise.
4352         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
4353         declaration.
4354         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
4355         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
4356         * include/bits/stl_set.h (std::set<>): Likewise.
4357         * include/bits/unordered_map.h (std::unordered_map<>): Fix
4358         _Hash_merge_helper friend declaration.
4359         (std::unordered_multimap<>): Likewise.
4360         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
4361         (std::unordered_multiset<>): Likewise.
4362
4363 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
4364
4365         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
4366         trailing slash for domain level link.
4367         * doc/xml/faq.xml: Ditto.
4368         * doc/xml/manual/appendix_free.xml (software): Ditto.
4369         * doc/xml/manual/intro.xml: Ditto.
4370         * doc/xml/manual/spine.xml: Ditto.
4371         * doc/xml/spine.xml: Ditto.
4372
4373 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
4374
4375         * doc/xml/manual/documentation_hacking.xml: Adjust link to
4376         docbook.org.
4377
4378 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
4379
4380         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
4381         to compile as C++98.
4382
4383 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
4384
4385         PR libstdc++/78420
4386         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
4387         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
4388         to ensure total order for pointers.
4389         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
4390         Add operator() overloads for pointer arguments and make generic
4391         overloads dispatch to new _S_cmp functions when comparisons would
4392         use built-in operators for pointers.
4393         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
4394
4395 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
4396
4397         PR libstdc++/84773
4398         PR libstdc++/83662
4399         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
4400         * configure: Regenerate.
4401         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
4402         (aligned_alloc): Add using-declaration.
4403         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
4404
4405 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
4406
4407         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
4408         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
4409         registration.
4410
4411 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
4412
4413         PR libstdc++/84769
4414         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
4415         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
4416
4417         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
4418         src/filesystem/std-ops.cc (create_dir): Likewise.
4419
4420 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
4421
4422         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
4423         (StdListIteratorPrinter): Inherit from latter.
4424         (StdFwdListIteratorPrinter): New, inherit from latter.
4425         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
4426         when iterator has no associated container.
4427         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
4428         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
4429         registrations.
4430         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
4431         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
4432
4433 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
4434
4435         PR libstdc++/84601
4436         * include/std/optional (_Optional_payload): Split into multiple
4437         specializations that can handle different cases of trivial or
4438         non-trivial assignment operators.
4439         * testsuite/20_util/optional/84601.cc: New.
4440         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
4441
4442 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
4443
4444         PR libstdc++/84671
4445         * include/bits/parse_numbers.h (_Number_help): Add partial
4446         specialization to handle digit separators. Adjust partial
4447         specialization for recursion temrination to require _Pow == 1ULL.
4448         * testsuite/20_util/duration/literals/84671.cc: New
4449
4450 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
4451
4452         Implement the missing bits of LWG 2769
4453         * include/std/any (any_cast(const any&)): Add static_assert.
4454         (any_cast(any&)): Likewise.
4455         (any_cast(any&&)): Likewise, and remove the handling
4456         for copyable-but-not-movable type.
4457         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
4458         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
4459         add new tests.
4460
4461 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
4462
4463         PR libstdc++/84532
4464         * include/std/thread (thread::__make_invoker): Construct tuple
4465         directly instead of using make_tuple.
4466         * testsuite/30_threads/async/84532.cc: New.
4467         * testsuite/30_threads/thread/84532.cc: New.
4468
4469 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
4470
4471         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
4472         (template<> __aligned_buffer): Define as __aligned_membuf alias.
4473
4474 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
4475
4476         PR target/84148
4477         * configure: Regenerate.
4478
4479 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
4480
4481         PR libstdc++/81797
4482         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
4483         * configure: Regenerate.
4484         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
4485         defined.
4486         * include/Makefile.in: Regenerate.
4487
4488 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
4489
4490         PR libstdc++/83833
4491         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
4492         Add -ffloat-store to options for m68k and ia32.
4493
4494         * doc/xml/faq.xml: Update copyright years.
4495         * doc/html/*: Regenerate.
4496
4497         PR libstdc++/83658
4498         * include/std/any (any::__do_emplace): Only set _M_manager after
4499         constructing the contained object.
4500         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
4501         * testsuite/20_util/any/modifiers/83658.cc: New test.
4502
4503 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
4504
4505         PR libstdc++/81076
4506         * include/c_global/cstddef (__byte_operand): Define primary template.
4507         * testsuite/18_support/byte/81076.cc: New test.
4508
4509 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
4510
4511         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
4512         dg-options and dg-add-options order.
4513         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
4514         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
4515         Likewise.
4516         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
4517         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
4518         Likewise.
4519         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
4520         Likewise.
4521         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
4522         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
4523         Likewise.
4524         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
4525         Likewise.
4526         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
4527         Likewise.
4528         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
4529         Likewise.
4530         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
4531         Likewise.
4532         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
4533         Likewise.
4534         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
4535         Likewise.
4536         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
4537         Likewise.
4538         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
4539         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
4540         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
4541         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
4542         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
4543         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
4544         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
4545         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
4546         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
4547         Likewise.
4548         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
4549         Likewise.
4550         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
4551         Likewise.
4552         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
4553         Likewise.
4554
4555 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
4556
4557         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
4558         include linux/types.h when checking linux/random.h header.
4559         * config.h.in: Regenerate.
4560         * configure: Ditto.
4561         * src/c++11/random.cc: Conditionally include linux/types.h.
4562
4563 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
4564
4565         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
4566
4567 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
4568
4569         PR libstdc++/83834
4570         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
4571         pattern with exact match for std::cerr.
4572
4573 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
4574
4575         PR libstdc++/83833
4576         * include/bits/random.h (chi_squared_distribution::param): Update
4577         gamma distribution parameter.
4578         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
4579         test.
4580
4581         PR libstdc++/83830
4582         * include/std/type_traits (has_unique_object_representations_v): Add
4583         variable template.
4584         * testsuite/20_util/has_unique_object_representations/value.cc: Check
4585         variable template.
4586
4587 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
4588
4589         Make optional conditionally
4590         trivially_{copy,move}_{constructible,assignable}
4591         * include/std/optional (_Optional_payload): Fix the comment in
4592         the class head and turn into a primary and one specialization.
4593         (_Optional_payload::_M_engaged): Strike the NSDMI.
4594         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
4595         New.
4596         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
4597         Likewise.
4598         (_Optional_payload<_Tp, false>::_M_get): Likewise.
4599         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
4600         (_Optional_base_impl): Likewise.
4601         (_Optional_base): Turn into a primary and three specializations.
4602         (optional(nullopt)): Change the base init.
4603         * testsuite/20_util/optional/assignment/8.cc: New.
4604         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
4605         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
4606
4607 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
4608
4609         PR libstdc++/80276
4610         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
4611         (get_template_arg_list): New.
4612         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
4613         instead.
4614         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
4615         of strings and regular expressions.
4616         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
4617         (FilteringTypePrinter): Add docstring. Match using startswith. Use
4618         strip_inline_namespaces instead of strip_versioned_namespace.
4619         (add_one_type_printer): Prepend namespace to match argument.
4620         (register_type_printers): Add type printers for char16_t and char32_t
4621         string types and for types using cxx11 ABI. Update calls to
4622         add_one_template_type_printer to provide default argument dicts.
4623         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
4624         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
4625         basic_string<unsigned char> and basic_string<signed char>.
4626         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
4627         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
4628
4629 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
4630
4631         PR libstdc++/81092
4632         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
4633
4634 2018-01-13  Tim Shen  <timshen@google.com>
4635
4636         PR libstdc++/83601
4637         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
4638         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
4639         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
4640
4641 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4642
4643         PR libstdc++/64054
4644         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
4645         Remove dg-xfail-run-if.
4646
4647 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
4648
4649         * include/bits/forward_list.h
4650         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
4651         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
4652         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
4653         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
4654         (_Fwd_list_impl()): Add noexcept qualification.
4655         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
4656         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
4657         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
4658         (_Fwd_list_base()): Default.
4659         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
4660         (_Fwd_list_base(_Fwd_list_base&&)): Default.
4661         (forward_list<>()): Default.
4662         (forward_list<>(forward_list&&)): Default.
4663         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
4664         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
4665         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
4666         * include/bits/forward_list.tcc
4667         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
4668         _M_impl._M_head move assignment.
4669         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
4670         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
4671
4672 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
4673
4674         PR libstdc++/80276
4675         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
4676         (UniquePointerPrinter): Print correct template argument, not type of
4677         the pointer.
4678         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
4679         a type.
4680         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
4681         array type.
4682         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
4683         weak_ptr of array types.
4684
4685 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
4686
4687         PR libstdc++/83709
4688         * include/bits/hashtable_policy.h
4689         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
4690         __first != __last.
4691         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
4692         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
4693         Add false_type parameter.
4694         (_Insert_base::insert): Adapt.
4695         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
4696         Adapt.
4697         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
4698          Add __n_elt parameter, defaulted to 1.
4699         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
4700         policy _M_need_rehash.
4701         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
4702         produce only 1 rehash if necessary.
4703         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
4704         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
4705
4706 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
4707             Jonathan Wakely  <jwakely@redhat.com>
4708
4709         PR libstdc++/59253 (partial)
4710         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
4711         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
4712         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
4713         children.
4714         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
4715         of unique_ptr printer.
4716         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
4717         output of shared_ptr printer.
4718
4719 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
4720
4721         PR libstdc++/83626
4722         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
4723         unnecessary symlink_status call.
4724         (remove_all(const path&, error_code&)): Use filesystem::remove.
4725         * src/filesystem/std-ops.cc: Likewise.
4726
4727         PR libstdc++/83279
4728         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
4729         sendfile.
4730
4731         PR libstdc++/83626
4732         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
4733         report an error for ENOENT.
4734         (remove_all(const path&)): Fix type of result variable.
4735         (remove_all(const path&, error_code&)): Use non-throwing increment
4736         for directory iterator. Call POSIX remove directly to avoid redundant
4737         calls to symlink_status. Do not report errors for ENOENT.
4738         * src/filesystem/std-ops.cc: Likewise.
4739         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
4740         overload.
4741         * testsuite/experimental/filesystem/operations/remove_all.cc:
4742         Likewise.
4743
4744 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
4745
4746         PR libstdc++/83626
4747         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
4748         redundant call to ec.clear().
4749         (remove_all(const path&, error_code&))): Do not return an error for
4750         non-existent paths.
4751         * src/filesystem/std-ops.cc: Likewise.
4752         * testsuite/27_io/filesystem/operations/remove.cc: New test.
4753         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
4754         results for non-existent paths.
4755         * testsuite/experimental/filesystem/operations/remove.cc: New test.
4756         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
4757         expected results for non-existent paths.
4758
4759         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
4760         check status_known once.
4761         * include/experimental/bits/fs_ops.h: Likewise.
4762
4763         PR libstdc++/83607
4764         * include/std/functional (__is_byte_like): New trait.
4765         (__is_std_equal_to): Remove.
4766         (__boyer_moore_base_t): Use __is_byte_like instead of
4767         __is_std_equal_to.
4768         * include/experimental/functional (__is_std_equal_to): Remove.
4769         (__boyer_moore_base_t): Use __is_byte_like instead of
4770         __is_std_equal_to.
4771         * testsuite/20_util/function_objects/83607.cc: New test.
4772
4773 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
4774
4775         Protect optional's deduction guide with the feature macro
4776         * include/std/optional: Use the feature macro.
4777
4778 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
4779
4780         Update copyright years.
4781 \f
4782 Copyright (C) 2018 Free Software Foundation, Inc.
4783
4784 Copying and distribution of this file, with or without modification,
4785 are permitted in any medium without royalty provided the copyright
4786 notice and this notice are preserved.