libstdc++-v3/ChangeLog

   1 2018-10-16  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         * include/experimental/socket (basic_socket::at_mark): Add missing
   4         return.
   5
   6         * acinclude.m4 (GLIBCXX_CHECK_RANDOM_TR1): Replace with ...
   7         (GLIBCXX_CHECK_DEV_RANDOM): New macro with more descriptive name.
   8         Define _GLIBCXX_USE_DEV_RANDOM as well as _GLIBCXX_USE_RANDOM_TR1.
   9         * config.h.in: Regenerate.
  10         * configure: Regenerate.
  11         * configure.ac: Use GLIBCXX_CHECK_DEV_RANDOM instead of
  12         GLIBCXX_CHECK_RANDOM_TR1.
  13         crossconfig.m4: Likewise.
  14         * include/bits/random.h (random_device): Use _GLIBCXX_USE_DEV_RANDOM
  15         instead of _GLIBCXX_USE_RANDOM_TR1.
  16         * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
  17
  18 2018-10-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  19
  20         * testsuite/lib/dg-options.exp (add_options_for_net_ts): New proc.
  21         * testsuite/experimental/net/internet/address/v4/comparisons.cc:
  22         Add dg-add-options net_ts.
  23         * testsuite/experimental/net/internet/address/v4/cons.cc: Likewise.
  24         * testsuite/experimental/net/internet/address/v4/creation.cc: Likewise.
  25         * testsuite/experimental/net/internet/address/v4/members.cc: Likewise.
  26         * testsuite/experimental/net/internet/resolver/base.cc: Likewise.
  27         * testsuite/experimental/net/internet/resolver/ops/lookup.cc: Likewise.
  28         * testsuite/experimental/net/internet/resolver/ops/reverse.cc: Likewise.
  29
  30 2018-10-16  Jonathan Wakely  <jwakely@redhat.com>
  31
  32         * testsuite/20_util/duration/literals/range_neg.cc: Adjust pruned
  33         diagnostic to account for quotes around 'constexpr'.
  34         * testsuite/23_containers/deque/capacity/max_size.cc: Define static
  35         variable.
  36         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
  37
  38         PR libstdc++/87618
  39         * config/abi/pre/gnu.ver: Fix typos in patterns for basic_stringbuf.
  40         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: Disable
  41         optimisation to check constructor definition can be linked to.
  42         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: Likewise.
  43
  44 2018-10-15  Jonathan Wakely  <jwakely@redhat.com>
  45
  46         * testsuite/22_locale/numpunct/members/char/3.cc: Adjust test to
  47         account for change to glibc it_IT localedata (glibc bz#10797).
  48
  49         PR libstdc++/87587
  50         * src/c++11/cxx11-shim_facets.cc: Suppress -Wabi warnings.
  51
  52 2018-10-15  François Dumont  <fdumont@gcc.gnu.org>
  53
  54         * include/debug/vector (vector<>::cbegin()): Use C++11 direct
  55         initialization.
  56         (vector<>::cend()): Likewise.
  57         (vector<>::emplace(const_iterator, _Args&&...)): Likewise and use
  58         consistent iterator comparison.
  59         (vector<>::insert(const_iterator, size_type, const _Tp&)): Likewise.
  60         (vector<>::insert(const_iterator, _InputIterator, _InputIterator)):
  61         Likewise.
  62         (vector<>::erase(const_iterator)): Likewise.
  63         (vector<>::erase(const_iterator, const_iterator)): Likewise.
  64
  65 2018-10-12  Jonathan Wakely  <jwakely@redhat.com>
  66
  67         Initial commit of Networking TS implementation.
  68         * include/Makefile.am: Add new headers.
  69         * include/Makefile.in: Regenerate.
  70         * include/experimental/bits/net.h: New header for common
  71         implementation details of Networking TS.
  72         * include/experimental/buffer: New header.
  73         * include/experimental/executor: New header.
  74         * include/experimental/internet: New header.
  75         * include/experimental/io_context: New header.
  76         * include/experimental/net: New header.
  77         * include/experimental/netfwd: New header.
  78         * include/experimental/socket: New header.
  79         * include/experimental/timer: New header.
  80         * testsuite/experimental/net/buffer/arithmetic.cc: New test.
  81         * testsuite/experimental/net/buffer/const.cc: New test.
  82         * testsuite/experimental/net/buffer/creation.cc: New test.
  83         * testsuite/experimental/net/buffer/mutable.cc: New test.
  84         * testsuite/experimental/net/buffer/size.cc: New test.
  85         * testsuite/experimental/net/buffer/traits.cc: New test.
  86         * testsuite/experimental/net/execution_context/use_service.cc: New
  87         test.
  88         * testsuite/experimental/net/headers.cc: New test.
  89         * testsuite/experimental/net/internet/address/v4/comparisons.cc: New
  90         test.
  91         * testsuite/experimental/net/internet/address/v4/cons.cc: New test.
  92         * testsuite/experimental/net/internet/address/v4/creation.cc: New
  93         test.
  94         * testsuite/experimental/net/internet/address/v4/members.cc: New
  95         test.
  96         * testsuite/experimental/net/internet/resolver/base.cc: New test.
  97         * testsuite/experimental/net/internet/resolver/ops/lookup.cc: New
  98         test.
  99         * testsuite/experimental/net/internet/resolver/ops/reverse.cc: New
 100         test.
 101         * testsuite/experimental/net/timer/waitable/cons.cc: New test.
 102         * testsuite/experimental/net/timer/waitable/dest.cc: New test.
 103         * testsuite/experimental/net/timer/waitable/ops.cc: New test.
 104
 105         PR libstdc++/77691
 106         * include/experimental/memory_resource (__resource_adaptor_imp): Do
 107         not allocate sizes smaller than alignment when relying on guaranteed
 108         alignment.
 109         * testsuite/experimental/memory_resource/new_delete_resource.cc:
 110         Adjust expected number of bytes allocated for alignof(max_align_t).
 111
 112 2018-10-11  François Dumont  <fdumont@gcc.gnu.org>
 113
 114         * include/debug/forward_list
 115         (forward_list<>::before_begin()): Use C++11 direct initialization.
 116         (forward_list<>::begin()): Likewise.
 117         (forward_list<>::end()): Likewise.
 118         (forward_list<>::cbefore_begin()): Likewise.
 119         (forward_list<>::cbegin()): Likewise.
 120         (forward_list<>::cend()): Likewise.
 121         (forward_list<>::emplace_after<>(const_iterator, _Args&&...)): Likewise.
 122         (forward_list<>::insert_after(const_iterator, const _Tp&)): Likewise.
 123         (forward_list<>::insert_after(const_iterator, _Tp&&)): Likewise.
 124         (forward_list<>::insert_after(const_iterator, size_type, const _Tp&)):
 125         Likewise.
 126         (forward_list<>::insert_after(const_iterator, initializer_list<>)):
 127         Likewise.
 128         (forward_list<>::erase_after(const_iterator)): Likewise.
 129         (forward_list<>::erase_after(const_iterator, const_iterator)): Likewise
 130         and ensure consistent iterator comparison.
 131
 132         * include/bits/forward_list.h
 133         (_Fwd_list_iterator<>::operator==): Replace member function with inline
 134         friend.
 135         (_Fwd_list_iterator<>::operator!=): Likewise.
 136         (_Fwd_list_const_iterator<>::operator==): Likewise.
 137         (_Fwd_list_const_iterator<>::operator!=): Likewise.
 138         (operator==(const _Fwd_list_iterator<>&,
 139         const _Fwd_list_const_iterator<>&)): Remove.
 140         (operator!=(const _Fwd_list_iterator<>&,
 141         const _Fwd_list_const_iterator<>&)): Remove.
 142         (forward_list<>::_Node): Take typedef from base type.
 143         (forward_list<>::iterator): Likewise.
 144         (forward_list<>::const_iterator): Likewise.
 145
 146 2018-10-11  Jonathan Wakely  <jwakely@redhat.com>
 147
 148         PR libstdc++/80538
 149         * src/c++11/thread.cc (this_thread::__sleep_for)
 150         [_GLIBCXX_HAVE_SLEEP]: Only call sleep for non-zero values.
 151         Loop while sleep call is interrupted and until steady_clock
 152         shows requested duration has elapsed.
 153         (!_GLIBCXX_HAVE_USLEEP]: Use the _GLIBCXX_HAVE_SLEEP code path, but
 154         avoiding the usleep call.
 155         * testsuite/30_threads/this_thread/60421.cc: Test repeated
 156         signal interruptions.
 157
 158         * include/bits/allocator.h
 159         (operator==(const allocator<_Tp>&, const allocator<_Tp>))
 160         (operator!=(const allocator<_Tp>&, const allocator<_Tp>)): Replace
 161         with inline friends.
 162         * include/ext/debug_allocator.h (operator==, operator!=): Replace
 163         with inline friend functions that compare to rebound allocators.
 164         * include/ext/malloc_allocator.h (operator==, operator!=): Likewise.
 165         * include/ext/new_allocator.h (operator==, operator!=): Likewise.
 166         * testsuite/ext/debug_allocator/eq.cc: New test.
 167         * testsuite/ext/ext_pointer/alloc_eq.cc: New test.
 168         * testsuite/ext/malloc_allocator/eq.cc: New test.
 169         * testsuite/ext/new_allocator/eq.cc: New test.
 170
 171 2018-10-10  Jonathan Wakely  <jwakely@redhat.com>
 172
 173         PR libstdc++/87544
 174         * include/bits/stl_vector.h (vector::_S_max_size): Limit size to
 175         PTRDIFF_MAX / sizeof(value_type).
 176         * include/ext/malloc_allocator.h (malloc_allocator::max_size):
 177         Likewise.
 178         * include/ext/new_allocator.h (new_allocator::max_size): Likewise.
 179         * testsuite/23_containers/vector/allocator/minimal.cc: Adjust
 180         expected value for max_size().
 181         * testsuite/23_containers/vector/capacity/87544.cc: New test.
 182
 183 2018-10-09  François Dumont  <fdumont@gcc.gnu.org>
 184
 185         * include/bits/stl_list.h
 186         (_List_operator<>::operator==): Replace member function with inline
 187         friend.
 188         (_List_operator<>::operator!=): Likewise.
 189         (_List_const_operator<>::operator==): Likewise.
 190         (_List_const_operator<>::operator!=): Likewise.
 191         (operator==(const _List_iterator<>&, const _List_const_iterator<>&)):
 192         Remove.
 193         (operator!=(const _List_iterator<>&, const _List_const_iterator<>&)):
 194         Remove.
 195
 196 2018-10-09  Jonathan Wakely  <jwakely@redhat.com>
 197
 198         * include/bits/stringfwd.h (string, wstring, u16string, u32string):
 199         Define typedefs outside of __cxx11 inline namespace.
 200         * python/libstdcxx/v6/printers.py (register_type_printers): Also
 201         register printers for typedefs in new location.
 202
 203 2018-10-08  Jonathan Wakely  <jwakely@redhat.com>
 204
 205         PR libstdc++/87538
 206         * testsuite/experimental/functional/87538.cc: New test.
 207
 208         PR libstdc++/87538
 209         * include/std/functional (_Not_fn::operator()): Check value of
 210         __is_nothrow_invocable as well.
 211         * testsuite/20_util/function_objects/not_fn/87538.cc: New test.
 212
 213 2018-10-08  François Dumont  <fdumont@gcc.gnu.org>
 214
 215         * include/debug/list (list<>::cbegin()): Use C++11 direct
 216         initialization.
 217         (list<>::cend()): Likewise.
 218         (list<>::emplace<>(const_iterator, _Args&&...)): Likewise.
 219         (list<>::insert(const_iterator, initializer_list<>)): Likewise.
 220         (list<>::insert(const_iterator, size_type, const _Tp&)): Likewise.
 221         (list<>::erase(const_iterator, const_iterator)): Ensure consistent
 222         iterator comparisons.
 223         (list<>::splice(const_iterator, list&&, const_iterator,
 224         const_iterator)): Likewise.
 225
 226 2018-10-05  François Dumont  <fdumont@gcc.gnu.org>
 227
 228         * include/bits/stl_tree.h
 229         (_Rb_tree_iterator<>::operator==): Make inline friend.
 230         (_Rb_tree_iterator<>::operator!=): Likewise.
 231         (_Rb_tree_const_iterator<>::operator==): Likewise.
 232         (_Rb_tree_const_iterator<>::operator!=): Likewise.
 233         (operator==(const _Rb_tree_iterator<>&,
 234         const _Rb_tree_const_iterator&)): Remove.
 235         (operator!=(const _Rb_tree_iterator<>&,
 236         const _Rb_tree_const_iterator&)): Remove.
 237         (operator==(const _Rb_tree<>&, const _Rb_tree<>&)): Make inline friend.
 238         (operator<(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
 239         (operator!=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise and
 240         deprecate.
 241         (operator>(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
 242         (operator<=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
 243         (operator>=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
 244         * include/debug/map.h (map<>::erase(const_iterator, const_iterator)):
 245         Compare __victim with _Base::cend().
 246         * include/debug/multimap.h
 247         (multimap<>::erase(const_iterator, const_iterator)): Likewise.
 248         * include/debug/set.h (set<>::erase(const_iterator, const_iterator)):
 249         Compare __victim with _Base::cend().
 250         * include/debug/multiset.h
 251         (multiset<>::erase(const_iterator, const_iterator)): Likewise.
 252
 253 2018-10-03  Jonathan Wakely  <jwakely@redhat.com>
 254
 255         PR libstdc++/59439
 256         * src/c++98/locale.cc (locale::locale(const locale&)): Bypass
 257         reference count updates for the classic locale.
 258         (locale::~locale()): Likewise.
 259         (locale::operator=(const locale&)): Likewise.
 260         * src/c++98/locale_init.cc (locale::locale()): Likewise.
 261         (locale::global(const locale&)): Likewise.
 262
 263 2018-10-03  François Dumont  <fdumont@gcc.gnu.org>
 264
 265         * include/debug/map.h
 266         (map<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
 267         (map<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 268         (map<>::insert(value_type&&)): Likewise.
 269         (map<>::insert<>(_Pair&&)): Likewise.
 270         (map<>::insert<>(const_iterator, _Pair&&)): Likewise.
 271         (map<>::try_emplace): Likewise.
 272         (map<>::insert_or_assign): Likewise.
 273         (map<>::insert(node_type&&)): Likewise.
 274         (map<>::insert(const_iterator, node_type&&)): Likewise.
 275         (map<>::erase(const_iterator)): Likewise.
 276         (map<>::erase(const_iterator, const_iterator)): Likewise.
 277         * include/debug/multimap.h
 278         (multimap<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
 279         (multimap<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 280         (multimap<>::insert<>(_Pair&&)): Likewise.
 281         (multimap<>::insert<>(const_iterator, _Pair&&)): Likewise.
 282         (multimap<>::insert(node_type&&)): Likewise.
 283         (multimap<>::insert(const_iterator, node_type&&)): Likewise.
 284         (multimap<>::erase(const_iterator)): Likewise.
 285         (multimap<>::erase(const_iterator, const_iterator)): Likewise.
 286         * include/debug/set.h
 287         (set<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
 288         (set<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 289         (set<>::insert(value_type&&)): Likewise.
 290         (set<>::insert<>(const_iterator, value_type&&)): Likewise.
 291         (set<>::insert(const_iterator, node_type&&)): Likewise.
 292         (set<>::erase(const_iterator)): Likewise.
 293         (set<>::erase(const_iterator, const_iterator)): Likewise.
 294         * include/debug/multiset.h
 295         (multiset<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
 296         (multiset<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 297         (multiset<>::insert<>(value_type&&)): Likewise.
 298         (multiset<>::insert<>(const_iterator, value_type&&)): Likewise.
 299         (multiset<>::insert(node_type&&)): Likewise.
 300         (multiset<>::insert(const_iterator, node_type&&)): Likewise.
 301         (multiset<>::erase(const_iterator)): Likewise.
 302         (multiset<>::erase(const_iterator, const_iterator)): Likewise.
 303
 304 2018-10-02  Marc Glisse  <marc.glisse@inria.fr>
 305
 306         PR libstdc++/87258
 307         * include/bits/stl_bvector.h (vector::begin(), vector::cbegin()):
 308         Rebuild _M_start with an explicit 0 offset.
 309
 310 2018-10-02  Jonathan Wakely  <jwakely@redhat.com>
 311
 312         * include/std/variant (__gen_vtable_impl::__visit_invoke): Call __get
 313         directly instead of get, as caller ensures correct index is used.
 314         (holds_alternative, get, get_if): Remove redundant inline specifiers.
 315         (_VARIANT_RELATION_FUNCTION_TEMPLATE): Likewise.
 316
 317 2018-10-02  Joseph Myers  <joseph@codesourcery.com>
 318
 319         * testsuite/lib/libstdc++.exp (libstdc++_init): Use
 320         -fno-show-column in default cxxflags.
 321
 322 2018-10-01  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 323
 324         * config/os/uclibc/os_defines.h (__NO_STRING_INLINES): Delete.
 325
 326 2018-10-01  Gerald Pfeifer  <gerald@pfeifer.com>
 327
 328         * doc/xml/manual/allocator.xml: Adjust link to "Reconsidering
 329         Custom Memory Allocation".
 330
 331 2018-10-01  Jonathan Wakely  <jwakely@redhat.com>
 332
 333         * doc/html/*: Regenerate.
 334
 335 2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
 336
 337         * doc/xml/manual/messages.xml: Switch link to www.oracle.com
 338         to https.
 339
 340 2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
 341
 342         * doc/xml/manual/policy_data_structures_biblio.xml: Update
 343         link to Microsoft Component Model Object Technologies.
 344
 345 2018-09-29  Gerald Pfeifer  <gerald@pfeifer.com>
 346
 347         * doc/xml/gnu/fdl-1.3.xml: The Free Software Foundation web
 348         site now uses https. Also omit the unnecessary trailing slash.
 349         * doc/xml/gnu/gpl-3.0.xml: Ditto.
 350
 351 2018-09-28  François Dumont  <fdumont@gcc.gnu.org>
 352
 353         * include/debug/functions.h
 354         (__foreign_iterator_aux3(const _Safe_iterator<>&, const _InputeIter&,
 355         const _InputIter&, __true_type)): Use empty() rather than begin() ==
 356         end().
 357
 358 2018-09-25  Mike Crowe  <mac@mcrowe.com>
 359
 360         * include/std/condition_variable (condition_variable::wait_for): Use
 361         steady clock in overload that uses a predicate.
 362
 363 2018-09-25  Jonathan Wakely  <jwakely@redhat.com>
 364
 365         PR libstdc++/87431
 366         * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
 367         Avoid runtime test when all alternatives are scalars and so cannot
 368         throw during initialization.
 369
 370 2018-09-25  Gerald Pfeifer  <gerald@pfeifer.com>
 371
 372         * doc/xml/manual/codecvt.xml: Move link to "UTF-8 and Unicode FAQ"
 373         to https.
 374
 375 2018-09-24  Gerald Pfeifer  <gerald@pfeifer.com>
 376
 377         * doc/xml/manual/policy_data_structures_biblio.xml: Update link
 378         to "Priority Queues and the STL".
 379
 380 2018-09-23  Gerald Pfeifer  <gerald@pfeifer.com>
 381
 382         * doc/xml/manual/using_exceptions.xml: Move boost.orgs link to
 383         https.
 384
 385 2018-09-21  François Dumont  <fdumont@gcc.gnu.org>
 386
 387         PR libstdc++/87135
 388         * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
 389         Use __builtin_floor to compute _M_next_resize.
 390         * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt.
 391         * testsuite/23_containers/unordered_set/hash_policy/prime_rehash.cc:
 392         Adapt.
 393
 394 2018-09-21  Jonathan Wakely  <jwakely@redhat.com>
 395
 396         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Remove.
 397         * testsuite/26_numerics/headers/cmath/hypot.cc: Restore test for
 398         long double unconditionally, but use lower tolerance when
 399         sizeof(long double) == sizeof(double).
 400
 401 2018-09-20  Christophe Lyon  <christophe.lyon@linaro.org>
 402
 403         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Skip
 404         on arm*.
 405
 406 2018-09-19  Jonathan Wakely  <jwakely@redhat.com>
 407
 408         * include/bits/regex_automaton.tcc (_StateSeq<_TraitsT>::_M_clone()):
 409         Remove __glibcxx_assert statements and use map::find instead of
 410         map::operator[].
 411
 412 2018-09-18  François Dumont  <fdumont@gcc.gnu.org>
 413
 414         PR libstdc++/87135
 415         * src/c++11/hashtable_c++0x.cc:
 416         (_Prime_rehash_policy::_M_next_bkt): Return a prime no smaller than
 417         requested size, but not necessarily greater.
 418         (_Prime_rehash_policy::_M_need_rehash): Rehash only if target size is
 419         strictly greater than next resize threshold.
 420         * testsuite/23_containers/unordered_map/modifiers/reserve.cc: Adapt test
 421         to validate that there is no rehash as long as number of insertion is
 422         lower or equal to the reserved number of elements.
 423
 424 2018-09-18  Jonathan Wakely  <jwakely@redhat.com>
 425
 426         * include/bits/unique_ptr.h (__uniq_ptr_impl): Remove static assertion
 427         checking invocable condition.
 428         (unique_ptr::~unique_ptr, unique_ptr::reset): Restore static assertion
 429         here, where types must be complete. Pass pointer to deleter as an
 430         rvalue.
 431         * testsuite/20_util/unique_ptr/requirements/incomplete.cc: New test.
 432
 433 2018-09-13  Jonathan Wakely  <jwakely@redhat.com>
 434
 435         * include/std/variant (variant) [__clang__]: Limit workaround to
 436         Clang 7 and older.
 437
 438 2018-09-11  Jonathan Wakely  <jwakely@redhat.com>
 439
 440         PR libstdc++/87278
 441         * include/bits/shared_ptr.h (make_shared): Use remove_cv instead of
 442         remove_const.
 443         * testsuite/20_util/shared_ptr/creation/87278.cc: New test.
 444
 445         Implement LWG 2905 changes to constrain unique_ptr constructors
 446         * include/bits/unique_ptr.h (__uniq_ptr_impl): Add assertions to
 447         check deleter type.
 448         (unique_ptr::unique_ptr(pointer, const deleter_type&)): Add copy
 449         constructible constraint.
 450         (unique_ptr::unique_ptr(pointer, deleter_type&&)): Disable for
 451         deleters of reference type and add move constructible constraint.
 452         (unique_ptr::unique_ptr(pointer, remove_reference_t<deleter_type>&&)):
 453         Disable for deleters of non-reference type. Define as deleted.
 454         (unique_ptr<T[], D>): Likewise.
 455         * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Replace dg-error
 456         directives with unstable line numbers with dg-prune-output.
 457         * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
 458         * testsuite/20_util/unique_ptr/cons/lwg2905.cc: New test.
 459         * testsuite/20_util/unique_ptr/specialized_algorithms/swap_cxx17.cc:
 460         Make deleter types invocable.
 461
 462 2018-09-05  Jonathan Wakely  <jwakely@redhat.com>
 463
 464         * libsupc++/cxxabi.h (__cxa_demangle): Clarify doxygen comment.
 465
 466 2018-09-03  Jonathan Wakely  <jwakely@redhat.com>
 467
 468         PR libstdc++/78179
 469         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: New test
 470         that runs the long double part of hypot.cc.
 471         * testsuite/26_numerics/headers/cmath/hypot.cc: Disable long double
 472         tests unless TEST_HYPOT_LONG_DOUBLE is defined.
 473
 474         * include/bits/stl_vector.h (vector::_Temporary_value::_M_ptr):
 475         Return raw pointer not allocator's pointer type.
 476         (vector::_Temporary_value::_M_val): Use _M_ptr.
 477
 478         PR libstdc++/87194
 479         * include/bits/stl_map.h
 480         (map::map(initializer_list<value_type>, const Compare&, const Alloc&))
 481         (map::map(initializer_list<value_type>, const Alloc&))
 482         (map::map(InputIterator, InputIterator, const Alloc&))
 483         (map::map(InputIterator, InputIterator))
 484         (map::map(InputIterator, InputIterator, const Compare&, const Alloc&))
 485         (map::insert(InputIterator, InputIterator)):
 486         Call _M_insert_range_unique instead of _M_insert_unique.
 487         * include/bits/stl_multimap.h
 488         (multimap::multimap(initializer_list<value_type>, const C&, const A&))
 489         (multimap::multimap(initializer_list<value_type>, const A&))
 490         (multimap::multimap(InputIterator, InputIterator, const A&))
 491         (multimap::multimap(InputIterator, InputIterator))
 492         (multimap::multimap(InputIterator, InputIterator, const C&, const A&))
 493         (multimap::insert(InputIterator, InputIterator)): Call
 494         _M_insert_range_equal instead of _M_insert_equal.
 495         * include/bits/stl_multiset.h
 496         (multiset::multiset(InputIterator, InputIterator))
 497         (multiset::multiset(InputIterator, InputIterator, const C&, const A&))
 498         (multiset::multiset(initializer_list<value_type>, const C&, const A&))
 499         (multiset::multiset(initializer_list<value_type>, const A&))
 500         (multiset::multiset(InputIterator, InputIterator, const A&))
 501         (multiset::insert(InputIterator, InputIterator)): Call
 502         _M_insert_range_equal instead of _M_insert_equal.
 503         * include/bits/stl_set.h
 504         (set::set(InputIterator, InputIterator))
 505         (set::set(InputIterator, InputIterator, const Compare&, const Alloc&))
 506         (set::set(initializer_list<value_type>, const Compare&, const Alloc&))
 507         (set::set(initializer_list<value_type>, const Alloc&))
 508         (set::set(InputIterator, InputIterator, const Alloc&))
 509         (set::insert(InputIterator, InputIterator)):
 510         Call _M_insert_range_unique instead of _M_insert_unique.
 511         * include/bits/stl_tree.h
 512         [__cplusplus >= 201103L] (_Rb_tree::__same_value_type): New alias
 513         template for SFINAE constraints.
 514         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_unique): Pair of
 515         constrained overloads that either insert or emplace, depending on
 516         iterator's value_type.
 517         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_equal): Likewise.
 518         [__cplusplus < 201103L] (_Rb_tree::_M_insert_range_unique)
 519         (_Rb_tree::_M_insert_range_equal): New functions replacing range
 520         versions of _M_insert_unique and _M_insert_equal.
 521         (_Rb_tree::_M_insert_unique(_InputIterator, _InputIterator))
 522         (_Rb_tree::_M_insert_equal(_InputIterator, _InputIterator)): Remove.
 523         * testsuite/23_containers/map/modifiers/insert/87194.cc: New test.
 524         * testsuite/23_containers/multimap/modifiers/insert/87194.cc: New test.
 525         * testsuite/23_containers/multiset/modifiers/insert/87194.cc: New test.
 526         * testsuite/23_containers/set/modifiers/insert/87194.cc: New test.
 527
 528         PR libstdc++/78595
 529         * include/bits/stl_map.h (map::insert(_Pair&&))
 530         (map::insert(const_iterator, _Pair&&)): Do emplace instead of insert.
 531         * include/bits/stl_multimap.h (multimap::insert(_Pair&&))
 532         (multimap::insert(const_iterator, _Pair&&)): Likewise.
 533         * include/bits/unordered_map.h (unordered_map::insert(_Pair&&))
 534         (unordered_map::insert(const_iterator, _Pair&&))
 535         (unordered_multimap::insert(_Pair&&))
 536         (unordered_multimap::insert(const_iterator, _Pair&&)): Likewise.
 537         * testsuite/23_containers/map/modifiers/insert/78595.cc: New test.
 538         * testsuite/23_containers/multimap/modifiers/insert/78595.cc: New test.
 539         * testsuite/23_containers/unordered_map/modifiers/78595.cc: New test.
 540         * testsuite/23_containers/unordered_multimap/modifiers/78595.cc: New
 541         test.
 542
 543 2018-09-02  François Dumont  <fdumont@gcc.gnu.org>
 544
 545         * include/debug/safe_iterator.h
 546         (_Safe_iterator<_It, _Seq, _Cat>::_Self): New.
 547         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>::_Self):
 548         New.
 549         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 550         ::_OtherSelf): New.
 551         (_GLIBCXX_DEBUG_VERIFY_OPERANDS, _GLIBCXX_DEBUG_VERIFY_EQ_OPERANDS)
 552         (_GLIBCXX_DEBUG_VERIFY_REL_OPERANDS)
 553         (_GLIBCXX_DEBUG_VERIFY_DIST_OPERANDS): Define macros.
 554         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 555         ::operator+(difference_type)): Use latters, inline as friend.
 556         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 557         ::operator-(difference_type)): Likewise.
 558         (operator==(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 559         Likewise.
 560         (operator!=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 561         Likewise.
 562         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 563         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 564         Likewise.
 565         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 566         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 567         Likewise.
 568         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 569         (operator+(difference_type, const _Safe_iterator<>&)): Likewise.
 570         (operator-(const _Safe_iterator<>&, difference_type)): Likewise.
 571         * include/debug/safe_iterator.tcc
 572         (_Safe_iterator<>::_M_can_advance(difference_type)): Take parameter by
 573         copy.
 574         * include/debug/safe_local_iterator.h
 575         (_Safe_local_iterator<_It, _Seq>::_Self): New.
 576         (_Safe_local_iterator<_It, _Seq>::_OtherSelf): New.
 577         (_GLIBCXX_DEBUG_VERIFY_OPERANDS): Define macro.
 578         (operator==(const _Safe_local_iterator<>&,
 579         const _Safe_local_iterator<>&)): Use latter, inline as friend.
 580         (operator!=(const _Safe_local_iterator<>&,
 581         const _Safe_local_iterator<>&)): Likewise.
 582         * testsuite/util/testsuite_containers.h: Include utility.
 583         (struct forward_members_unordered<_Tp, bool>): Remove 2nd template
 584         parameter.
 585         (forward_members_unordered<>::forward_members_unordered(value_type&)):
 586         Add using namespace std::rel_ops.
 587         Add iterator_concept_checks on local_iterator and const_local_iterator.
 588         Add asserts on comparison between const_local_iterator and
 589         local_iterator.
 590         (struct forward_members_unordered<_Tp, false>): Remove partial
 591         specialization.
 592         * testsuite/23_containers/forward_list/types/1.cc: New.
 593         * testsuite/23_containers/list/types/1.cc: New.
 594
 595 2018-09-01  Gerald Pfeifer  <gerald@pfeifer.com>
 596
 597         * doc/xml/manual/profile_mode.xml: Update three ieeexplore.ieee.org
 598         references.
 599
 600 2018-08-31  Sandra Loosemore  <sandra@codesourcery.com>
 601
 602         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/10.cc:
 603         Add dg-require-fileio.
 604         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/11.cc:
 605         Likewise.
 606         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/5.cc:
 607         Likewise.
 608         * testsuite/21_strings/basic_string_view/inserters/wchar_t/2.cc:
 609         Likewise.
 610         * testsuite/25_algorithms/copy/streambuf_iterators/wchar_t/4.cc:
 611         Likewise.
 612         * testsuite/25_algorithms/find/istreambuf_iterators/wchar_t/2.cc:
 613         Likewise.
 614         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-1.cc: Likewise.
 615         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-2.cc: Likewise.
 616         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-3.cc: Likewise.
 617         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-4.cc: Likewise.
 618         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/11543.cc: Likewise.
 619         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-1.cc:
 620         Likewise.
 621         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-2.cc:
 622         Likewise.
 623         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-3.cc:
 624         Likewise.
 625         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-4.cc:
 626         Likewise.
 627         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-1.cc:
 628         Likewise.
 629         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-2.cc:
 630         Likewise.
 631         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-4.cc:
 632         Likewise.
 633         * testsuite/27_io/basic_filebuf/underflow/wchar_t/2.cc: Likewise.
 634         * testsuite/27_io/basic_filebuf/underflow/wchar_t/3.cc: Likewise.
 635         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: Likewise.
 636         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: Likewise.
 637         * testsuite/27_io/basic_istream/extractors_character/wchar_t/4.cc:
 638         Likewise.
 639         * testsuite/27_io/basic_istream/extractors_other/wchar_t/2.cc:
 640         Likewise.
 641         * testsuite/27_io/basic_istream/get/wchar_t/2.cc: Likewise.
 642         * testsuite/27_io/basic_istream/getline/wchar_t/5.cc: Likewise.
 643         * testsuite/27_io/basic_istream/ignore/wchar_t/2.cc: Likewise.
 644         * testsuite/27_io/basic_istream/ignore/wchar_t/3.cc: Likewise.
 645         * testsuite/27_io/basic_istream/seekg/wchar_t/sstream.cc: Likewise.
 646         * testsuite/27_io/basic_istream/tellg/wchar_t/sstream.cc: Likewise.
 647         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: Likewise.
 648         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: Likewise.
 649         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/1.cc:
 650         Likewise.
 651         * testsuite/27_io/objects/wchar_t/10.cc: Likewise.
 652         * testsuite/27_io/objects/wchar_t/12048-1.cc: Likewise.
 653         * testsuite/27_io/objects/wchar_t/12048-2.cc: Likewise.
 654         * testsuite/27_io/objects/wchar_t/12048-3.cc: Likewise.
 655         * testsuite/27_io/objects/wchar_t/12048-4.cc: Likewise.
 656         * testsuite/27_io/objects/wchar_t/12048-5.cc: Likewise.
 657         * testsuite/experimental/string_view/inserters/wchar_t/2.cc:
 658         Likewise.
 659         * testsuite/ext/stdio_sync_filebuf/wchar_t/1.cc: Likewise.
 660
 661 2018-08-30  Sandra Loosemore  <sandra@codesourcery.com>
 662
 663         * testsuite/experimental/propagate_const/observers/1.cc: Make
 664         dependence on -fdelete-null-pointer-checks explicit.
 665
 666 2018-08-30  Jonathan Wakely  <jwakely@redhat.com>
 667
 668         * include/bits/hashtable_policy.h (__clp2): Fix calculation for LLP64
 669         targets where sizeof(size_t) > sizeof(long). Avoid undefined shifts
 670         of the number of bits in the type.
 671         * include/std/bit (__ceil2): Avoid undefined shifts.
 672         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Test values with
 673         the most signifiant bit set.
 674
 675         * config/abi/pre/gnu.ver: Add missing exports for mingw.
 676
 677         * include/ext/pointer.h (_Pointer_adapter): Define operators for
 678         pointer arithmetic using long long offsets.
 679         * testsuite/ext/ext_pointer/1.cc: Test pointer arithmetic using
 680         long long values.
 681
 682 2018-08-29  Jonathan Wakely  <jwakely@redhat.com>
 683
 684         PR libstdc++/31413
 685         * testsuite/22_locale/time_get/get_date/wchar_t/4.cc: Check D_FMT
 686         string for alternative format.
 687
 688 2018-08-28  Jonathan Wakely  <jwakely@redhat.com>
 689
 690         PR libstdc++/87116
 691         * src/filesystem/std-path.cc (path::lexically_normal): When handling
 692         a dot-dot filename, preserve an empty final component in the iteration
 693         sequence.
 694         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use preferred-separator for
 695         root-directory.
 696         * testsuite/27_io/filesystem/path/generation/normal.cc: Add new tests
 697         for more than two adjacent dot-dot filenames.
 698         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Replace slashes with
 699         preferred-separator in expected normalized strings.
 700
 701 2018-08-25  Iain Sandoe  <iain@sandoe.co.uk>
 702
 703         PR libstdc++/70694
 704         * configure.host (OPT_LDFLAGS): Don't append
 705         -fvisibility-inlines-hidden for newer Darwin.
 706
 707 2018-08-24  Marc Glisse  <marc.glisse@inria.fr>
 708
 709         PR libstdc++/86822
 710         * libsupc++/new (operator new(size_t, nothrow_t), operator
 711         new[](size_t, nothrow_t), operator new(size_t, align_val_t, nothrow_t),
 712         operator new[](size_t, align_val_t, nothrow_t)): Add malloc attribute.
 713
 714 2018-08-24  Jonathan Wakely  <jwakely@redhat.com>
 715
 716         * include/debug/deque (std::__debug::deque): Declare.
 717         * include/debug/forward_list (std::__debug::forward_list): Declare.
 718         * include/debug/list (std::__debug::list): Declare.
 719         * include/debug/map (std::__debug::map): Declare.
 720         * include/debug/set (std::__debug::set): Declare.
 721         * include/debug/unordered_map (std::__debug::unordered_map): Declare.
 722         * include/debug/unordered_set (std::__debug::unordered_set): Declare.
 723         * include/debug/vector (std::__debug::vector): Declare.
 724         * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: New test.
 725         * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: New
 726         test.
 727         * testsuite/23_containers/list/pmr_typedefs_debug.cc: New test.
 728         * testsuite/23_containers/map/pmr_typedefs_debug.cc: New test.
 729         * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: New test.
 730         * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: New test.
 731         * testsuite/23_containers/set/pmr_typedefs_debug.cc: New test.
 732         * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc: New
 733         test.
 734         * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
 735         New test.
 736         * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
 737         New test.
 738         * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc: New
 739         test.
 740         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
 741         Adjust dg-error lineno.
 742         * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: New
 743         test.
 744
 745 2018-08-23  Jonathan Wakely  <jwakely@redhat.com>
 746
 747         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
 748         Only define when RTTI is enabled.
 749
 750         * include/debug/vector (__niter_base): Define for C++98.
 751
 752         * testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
 753         Fix C++98 test to not use C++11 features.
 754         * testsuite/25_algorithms/fill_n/2.cc: Likewise.
 755
 756         * scripts/check_compile: Fix comments.
 757
 758         * include/debug/string (insert(__const_iterator, _InIter, _InIter)):
 759         [!_GLIBCXX_USE_CXX11_ABI]: Replace use of C++11-only cbegin() with
 760         begin(), for C++98 compatibility.
 761
 762         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 763         (basic_string::__const_iterator): Change access to protected.
 764         [!_GLIBCXX_USE_CXX11_ABI] (basic_string::__const_iterator): Define
 765         as typedef for iterator.
 766         * include/debug/string (__const_iterator): Use typedef from base.
 767         (insert(const_iterator, _CharT))
 768         (replace(const_iterator, const_iterator, const basic_string&))
 769         (replace(const_iterator, const_iterator, const _CharT*, size_type))
 770         (replace(const_iterator, const_iterator, const CharT*))
 771         (replace(const_iterator, const_iterator, size_type, _CharT))
 772         (replace(const_iterator, const_iterator, _InputIter, _InputIter))
 773         (replace(const_iterator, const_iterator, initializer_list<_CharT>)):
 774         Change const_iterator parameters to __const_iterator.
 775         (insert(iterator, size_type, _CharT)): Add C++98 overload.
 776         (insert(const_iterator, _InputIterator, _InputIterator)): Change
 777         const_iterator parameter to __const_iterator.
 778         [!_GLIBCXX_USE_CXX11_ABI]: Add workaround for incorrect return type
 779         of base's member function.
 780         (insert(const_iterator, size_type, _CharT)) [!_GLIBCXX_USE_CXX11_ABI]:
 781         Likewise.
 782         (insert(const_iterator, initializer_list<_CharT>))
 783         [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
 784         * testsuite/21_strings/basic_string/init-list.cc: Remove effective
 785         target directive.
 786
 787         * testsuite/20_util/reference_wrapper/lwg2993.cc: Fix C++11 test to
 788         not use C++14 feature.
 789         * testsuite/23_containers/list/68222_neg.cc: Likewise.
 790
 791         * testsuite/21_strings/basic_string/init-list.cc:
 792         Require cxx11-abi.
 793         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
 794         Likewise.
 795         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
 796         Likewise.
 797
 798         * testsuite/23_containers/deque/capacity/max_size.cc: Fix test for
 799         C++98 mode.
 800         * testsuite/23_containers/deque/modifiers/assign/1.cc: Likewise.
 801         * testsuite/23_containers/list/modifiers/assign/1.cc: Likewise.
 802         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: Likewise.
 803         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
 804         * testsuite/23_containers/vector/modifiers/assign/1.cc: Likewise.
 805
 806 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
 807
 808         PR libstdc++/87061
 809         * include/experimental/regex [!_GLIBCXX_USE_CXX11_ABI]
 810         (experimental::pmr::match_results, experimental::pmr::cmatch)
 811         (experimental::pmr::smatch, experimental::pmr::wcmatch)
 812         (experimental::pmr::wsmatch): Do not declare for gcc4-compatible ABI,
 813         because COW strings don't support C++11 allocator model.
 814         * include/experimental/string [!_GLIBCXX_USE_CXX11_ABI]
 815         (experimental::pmr::basic_string, experimental::pmr::string)
 816         (experimental::pmr::u16string, experimental::pmr::u32string)
 817         (experimental::pmr::wstring): Likewise.
 818         * include/std/regex [!_GLIBCXX_USE_CXX11_ABI] (pmr::match_results)
 819         (pmr::cmatch, pmr::smatch, pmr::wcmatch, pmr::wsmatch): Likewise.
 820         * include/std/string [!_GLIBCXX_USE_CXX11_ABI] (pmr::basic_string)
 821         (pmr::string, pmr::u16string, pmr::u32string, pmr::wstring): Likewise.
 822         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Require
 823         cxx11-abi.
 824         * testsuite/28_regex/match_results/pmr_typedefs.cc: Likewise.
 825
 826         PR libstdc++/78448
 827         * include/bits/deque.tcc (deque::_M_range_initialize): Use
 828         _S_check_init_len to check size.
 829         (deque::_M_push_back_aux, deque::_M_push_front_aux): Throw length
 830         error if size would exceed max_size().
 831         * include/bits/stl_deque.h (_Deque_base::size_type): Remove typedef.
 832         (_Deque_base(_Deque_base&&, const allocator_type&, size_t)): Use
 833         size_t instead of size_type.
 834         (deq(size_type, const allocator_type&)
 835         (deq(size_type, const value_type&, const allocator_type&)
 836         (deque::_M_initialize_dispatch): Use _S_check_init_len to check size.
 837         (deque::max_size): Call _S_max_size.
 838         (deque::_S_check_init_len, deque::_S_max_size): New functions.
 839         * include/bits/stl_vector.h (vector(size_type, const allocator_type&))
 840         (vector(size_type, const value_type&, const allocator_type&))
 841         (vector::_M_initialize_dispatch, vector::_M_range_initialize): Use
 842         _S_check_init_len to check size.
 843         (vector::max_size): Call _S_max_size.
 844         (vector::_M_check_len): Prevent max from being expanded as a
 845         function-like macro.
 846         (vector::_S_check_init_len, vector::_S_max_size): New functions.
 847         * include/bits/vector.tcc (vector::_M_assign_aux): Use
 848         _S_check_init_len to check size.
 849         * testsuite/23_containers/deque/capacity/max_size.cc: New test.
 850         * testsuite/23_containers/vector/capacity/max_size.cc: New test.
 851
 852 2018-08-22  François Dumont  <fdumont@gcc.gnu.org>
 853
 854         PR libstdc++/68222
 855         * include/debug/safe_iterator.h
 856         (_Safe_iterator<_It, _Sq, _Cat>): Add category template parameter.
 857         (_Safe_iterator<>::_Const_iterator): Remove.
 858         (_Safe_iterator<>::_IsConstant): New.
 859         (_Safe_iterator<>::_OtherIterator): New.
 860         (_Safe_iterator<_It, _Sq, _Cat>::_Safe_iterator<_MutIte>(
 861         const _Safe_iterator<_MutIte, _Sq, _Cat>&)): Add _IsConstant::__value in
 862         __gnu_cxx::__enable_if condition.
 863         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to): New.
 864         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_from_begin): New.
 865         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to_end): New.
 866         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>): New.
 867         (_Safe_iterator<_It, _Sq, _Cat>::operator--()): Move...
 868         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 869         ::operator--()): ...here.
 870         (_Safe_iterator<_It, _Sq, _Cat>::operator--(int)): Move...
 871         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 872         ::operator--(int)): ...here.
 873         (_Safe_iterator<_It, _Sq, _Cat>::_M_decrementable()): Move...
 874         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 875         ::_M_decrementable()): ...here.
 876         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>): New.
 877         (_Safe_iterator<_It, _Sq, _Cat>::operator[](const difference_type&)):
 878         Move...
 879         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 880         ::operator[](const difference_type&)): ...here.
 881         (_Safe_iterator<_It, _Sq, _Cat>::operator+=(const difference_type&)):
 882         Move...
 883         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 884         ::operator+=(const difference_type&)): ...here.
 885         (_Safe_iterator<_It, _Sq, _Cat>::operator+(const difference_type&)):
 886         Move...
 887         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 888         ::operator+(const difference_type&)): ...here.
 889         (_Safe_iterator<_It, _Sq, _Cat>::operator-=(const difference_type&)):
 890         Move...
 891         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 892         ::operator-=(const difference_type&)): ...here.
 893         (_Safe_iterator<_It, _Sq, _Cat>::operator-(const difference_type&)):
 894         Move...
 895         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 896         ::operator-(const difference_type&)): ...here.
 897         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 898         Constraint to random access iterators.
 899         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 900         Likewise.
 901         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 902         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 903         Likewise.
 904         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 905         (operator+(const difference_type&, const _Safe_iterator<>&)): Likewise.
 906         (__check_dereferenceable(const _Safe_iterator<>&)): Remove.
 907         (__get_distance): Remove.
 908         (__get_distance_from_begin): Remove.
 909         (__get_distance_to_end): Remove.
 910         (struct __is_safe_random_iterator<_Safe_iterator<>>): Remove partial
 911         specialization.
 912         (__base(const _Safe_iterator<>&, std::input_iterator_tag)): Remove.
 913         (__base(const _Safe_iterator<>&, std::random_access_iterator_tag)): Remove.
 914         (__base(const _Safe_iterator<>&)): Constraint to random access iterator.
 915         * include/debug/safe_iterator.tcc
 916         (_Safe_iterator<>::_M_get_distance_from_begin()): New.
 917         (_Safe_iterator<>::_M_get_distance_to_end()): New.
 918         (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator<>&)): New.
 919         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 920         ::_M_valid_range): New.
 921         * include/debug/safe_local_iterator.h
 922         (_Safe_local_iterator<>::_Const_local_iterator): Remove.
 923         (_Safe_local_iterator<>::_IsConstant): New.
 924         (_Safe_local_iterator<>::_OtherIterator): New.
 925         (_Safe_local_iterator<_It, _Cont>::_Safe_local_iterator<_MutIte, _Cont>(
 926         const _Safe_local_iterator<_MutIte, _Seq>&)): Add _IsConstant::__value
 927         in __gnu_cxx::__enable_if condition. If singular compare base iterator
 928         with _MutIte rather than _It.
 929         (_Safe_local_iterator<>::_S_constant): Make constexpr.
 930         (_Safe_local_iterator<>::_M_get_distance_to): New.
 931         (__check_dereferenceable(const _Safe_local_iterator<>&)): Remove.
 932         (__get_distance(const _Safe_local_iterator<>&,
 933         const _Safe_local_iterator<>&, std::input_iterator_tag)): Remove.
 934         (__valid_range(const _Safe_local_iterator<>&,
 935         const _Safe_local_iterator<>&)): New.
 936         * include/debug/safe_local_iterator.tcc
 937         (_Safe_local_iterator<>::_M_get_distance_to): New.
 938         * include/debug/deque (std::__debug::deque<>): Add
 939         ::__gnu_debug::_Safe_iterator<> friend declaration.
 940         * include/debug/forward_list (std::__debug::forward_list<>): Likewise.
 941         * include/debug/list (std::__debug::list<>): Likewise.
 942         * include/debug/map.h (std::__debug::map<>): Likewise.
 943         * include/debug/multimap.h (std::__debug::multimap<>): Likewise.
 944         * include/debug/set.h (std::__debug::set<>): Likewise.
 945         * include/debug/multiset.h (std::__debug::multiset<>): Likewise.
 946         * include/debug/string (std::__debug::basic_string<>): Likewise.
 947         * include/debug/unordered_map (std::__debug::unordered_map<>): Likewise
 948         and add ::__gnu_debug::_Safe_local_iterator<> friend declaration.
 949         (std::__debug::unordered_multimap<>): Likewise.
 950         * include/debug/unordered_set (std::__debug::unordered_set<>): Likewise.
 951         (std::__debug::unordered_multiset<>): Likewise.
 952         * include/debug/formatter.h: Adapt.
 953         * include/debug/helper_functions.h
 954         (__gnu_debug::_Safe_local_iterator<>): Add declaration.
 955         (__get_distance<_Ite>(_Ite, _Ite, std::random_access_iterator_tag):
 956         Pass parameter by copy.
 957         (__get_distance<_Ite>(_Ite, _Ite, std::input_iterator_tag): Likewise.
 958         (__get_distance<_Ite>(_Ite, _Ite): Likewise.
 959         (__valid_range_aux<_Integral>): Pass _Integral by copy.
 960         (__valid_range<_InputIterator>): Pass _InputIterator by copy.
 961         (__valid_range<>(const _Safe_iterator<>&,
 962         const _Safe_iterator<>&, typename _Distance_traits<>::__type&)):
 963         Declare.
 964         (__valid_range(const _Safe_local_iterator<>&,
 965         const _Safe_local_iterator<>&, typename _Distance_traits<>::__type&)):
 966         Declare.
 967         (__valid_range<>(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 968         Declare.
 969         (__valid_range(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&)):
 970         Declare.
 971         (__can_advance): Adapt.
 972         (struct __is_safe_random_iterator<>): Remove.
 973         (struct _SIter_base<>): Remove.
 974         * include/debug/functions.h: Include <bits/stl_iterator.h>.
 975         (__check_dereferenceable): Remove.
 976         (__foreign_iterator_aux4, __foreign_iterator_aux3): Adapt.
 977         (__foreign_iterator_aux2, __foreign_iterator_aux): Adapt.
 978         (__foreign_iterator): Adapt.
 979         * include/debug/stl_iterator.h
 980         (__is_safe_random_iterator<std::reverse_iterator<>>): Remove.
 981         (__base(const std::reverse_iterator<_Safe_iterator<_It, _Sq>)):
 982         Constraint for random access iterators.
 983         (__niter_base): Adapt.
 984         * testsuite/util/testsuite_containers.h:
 985         Include <bits/boost_concept_check.h>.
 986         (iterator_concept_checks<_It, _Mutable, _Category>): New.
 987         (citerator<_Cont>::forward_members::forward_members()): Instantiate
 988         latter for container iterator and const_iterator.
 989         * testsuite/23_containers/list/68222_neg.cc: New.
 990         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: Adapt
 991         line number.
 992         * testsuite/23_containers/unordered_set/debug/debug_functions.cc:
 993         (test01): Remove.
 994         * testsuite/23_containers/vector/debug/debug_functions.cc (test01):
 995         Remove.
 996
 997 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
 998
 999         PR libstdc++/77854
1000         * doc/xml/manual/status_cxx1998.xml: Document size_type and
1001         difference_type for containers.
1002         * doc/html/*: Regenerate.
1003
1004 2018-08-21  François Dumont  <fdumont@gcc.gnu.org>
1005
1006         P0646R1 Improving the Return Value of Erase-Like Algorithms I
1007         * include/debug/forward_list (forward_list::__remove_return_type):
1008         Define typedef as size_type or void, according to __cplusplus value.
1009         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
1010         empty, according to __cplusplus value.
1011         (_GLIBCXX20_ONLY): Define macro.
1012         (forward_list::remove, forward_list::unique): Use typedef and macro
1013         to change return type and add abi-tag for C++2a. Return number of
1014         removed elements for C++2a.
1015         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
1016         typedef to change return type for C++2a. Return number of removed
1017         elements for C++2a.
1018         * include/debug/list (list::__remove_return_type): Define typedef as
1019         size_type or void, according to __cplusplus value.
1020         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
1021         empty, according to __cplusplus value.
1022         (_GLIBCXX20_ONLY): Define macro.
1023         (list::remove, list::unique): Use typedef and macro to change return
1024         type and add abi-tag for C++2a. Return number of removed elements for
1025         C++2a.
1026         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use typedef
1027         to change return type for C++2a. Return number of removed elements for
1028         C++2a.
1029
1030 2018-08-21  David Edelsohn  <dje.gcc@gmail.com>
1031
1032         * testsuite/18_support/new_nothrow.cc: XFAIL on AIX.
1033
1034 2018-08-21  Jonathan Wakely  <jwakely@redhat.com>
1035
1036         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Remove
1037         redundant dg-do directive.
1038         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
1039         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
1040         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
1041         * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
1042
1043 2018-08-20  Jonathan Wakely  <jwakely@redhat.com>
1044
1045         PR libstdc++/86963
1046         * include/std/tuple (_Tuple_impl::operator=): Define as deleted.
1047         (_Tuple_impl::_M_assign): New functions to perform assignment instead
1048         of assignment operators.
1049         (_Tuple_impl::_M_swap): Remove exception specification.
1050         (_Tuple_impl<_Idx, _Head>): Likewise.
1051         (_TC::_NonNestedTuple, _TC::_NotSameTuple): Use __remove_cvref_t.
1052         (__tuple_base): Remove.
1053         (tuple, tuple<_T1, _T2>): Remove inheritance from __tuple_base.
1054         (tuple::operator=, tuple<_T1, _T2>::operator=): Call _M_assign.
1055         (tuple::swap, tuple<_T1, _T2>::swap): Define exception specification
1056         using __is_nothrow_swappable.
1057         (tuple<_T1, _T2>::tuple(_U1&&, _U2&&)): Use __remove_cvref_t.
1058
1059         * include/std/optional (_Optional_payload): Use variable templates
1060         for conditions in default template arguments and exception
1061         specifications.
1062         (optional): Likewise. Adjust indentation.
1063         (optional::__not_self, optional::__not_tag, optional::_Requires): New
1064         SFINAE helpers.
1065         (optional::optional): Use new helpers in constructor constraints.
1066         * include/std/type_traits (__or_v, __and_v): New variable templates.
1067         * testsuite/20_util/optional/cons/value_neg.cc: Change dg-error to
1068         dg-prune-output. Remove unused header.
1069
1070 2018-08-18  François Dumont  <fdumont@gcc.gnu.org>
1071
1072         * testsuite/25_algorithms/copy/86658.cc: Use dg-options to define
1073         _GLIBCXX_DEBUG.
1074
1075 2018-08-17  Jonathan Wakely  <jwakely@redhat.com>
1076
1077         PR libstdc++/86963
1078         * include/std/tuple (__tuple_base): New class template with deleted
1079         copy assignment operator.
1080         (tuple, tuple<_T1, _T2>): Derive from __tuple_base<tuple> so that
1081         implicit copy/move assignment operator will be deleted/suppressed.
1082         (tuple::__assignable, tuple<_T1, _T2>::__assignable): New helper
1083         functions for SFINAE constraints on assignment operators.
1084         (tuple::__nothrow_assignable, tuple<_T1, _T2>::__nothrow_assignable):
1085         New helper functions for exception specifications.
1086         (tuple::operator=(const tuple&), tuple::operator=(tuple&&))
1087         (tuple<_T1, _T2>::operator=(const tuple&))
1088         (tuple<_T1, _T2>::operator=(tuple&&)): Change parameter types to
1089         __nonesuch_no_braces when the operator should be defined implicitly.
1090         Use __nothrow_assignable for exception specifications.
1091         (tuple::operator=(const tuple<_UElements...>&))
1092         (tuple::operator=(tuple<_UElements...>&&))
1093         (tuple<_T1, _T2>::operator=(const tuple<_U1, _U2>&))
1094         (tuple<_T1, _T2>::operator=(tuple<_U1, _U2>&&))
1095         (tuple<_T1, _T2>::operator=(const pair<_U1, _U2>&))
1096         (tuple<_T1, _T2>::operator=(pair<_U1, _U2>&&)): Constrain using
1097         __assignable and use __nothrow_assignable for exception
1098         specifications.
1099         * python/libstdcxx/v6/printers.py (is_specialization_of): Accept
1100         gdb.Type as first argument, instead of a string.
1101         (StdTuplePrinter._iterator._is_nonempty_tuple): New method to check
1102         tuple for expected structure.
1103         (StdTuplePrinter._iterator.__init__): Use _is_nonempty_tuple.
1104         * testsuite/20_util/tuple/dr2729.cc: New test.
1105         * testsuite/20_util/tuple/element_access/get_neg.cc: Change dg-error
1106         to dg-prune-output.
1107
1108 2018-08-16  Jonathan Wakely  <jwakely@redhat.com>
1109
1110         * include/tr1/legendre_function.tcc (__sph_legendre): Avoid warning
1111         about signed/unsigned comparison.
1112
1113         * include/std/ostream (basic_ostream::sentry::~sentry): Suppress
1114         deprecation warnings for using uncaught_exception().
1115
1116         PR libstdc++/86447
1117         * src/c++11/cow-stdexcept.cc [_GLIBCXX_FULLY_DYNAMIC_STRING]
1118         (logic_error::logic_error(logic_error&&))
1119         (logic_error::operator=(logic_error&&))
1120         (runtime_error::runtime_error(runtime_error&&))
1121         (runtime_error::operator=(runtime_error&&)): Copy strings instead of
1122         moving, to avoid allocating empty reps for moved-from strings.
1123
1124 2018-08-15  Jonathan Wakely  <jwakely@redhat.com>
1125
1126         * include/experimental/regex: Remove begin/end macros for namespace.
1127         * include/experimental/string: Likewise.
1128         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc:
1129         New test.
1130         * testsuite/experimental/polymorphic_allocator/
1131         pmr_typedefs_forward_list.cc: New test.
1132         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc:
1133         New test.
1134         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc:
1135         New test.
1136         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
1137         New test.
1138         * testsuite/experimental/polymorphic_allocator/
1139         pmr_typedefs_multimap.cc: New test.
1140         * testsuite/experimental/polymorphic_allocator/
1141         pmr_typedefs_multiset.cc: New test.
1142         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc:
1143         New test.
1144         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
1145         New test.
1146         * testsuite/experimental/polymorphic_allocator/
1147         pmr_typedefs_unordered_map.cc: New test.
1148         * testsuite/experimental/polymorphic_allocator/
1149         pmr_typedefs_unordered_multimap.cc: New test.
1150         * testsuite/experimental/polymorphic_allocator/
1151         pmr_typedefs_unordered_multiset.cc: New test.
1152         * testsuite/experimental/polymorphic_allocator/
1153         pmr_typedefs_unordered_set.cc: New test.
1154         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc:
1155         New test.
1156
1157         * include/bits/uses_allocator.h (__uses_allocator_construct): Qualify
1158         calls to __uses_allocator_construct_impl and __use_alloc.
1159         * include/experimental/memory_resource
1160         (polymorphic_allocator::_M_construct): Remove.
1161         (polymorphic_allocator::construct): Call __uses_allocator_construct.
1162         Qualify calls to __use_alloc.
1163         * include/std/memory_resource (polymorphic_allocator::construct): Fix
1164         type in SFINAE constraint. Use constexpr if instead of tag dispatching
1165         to _S_construct overloads.
1166         (polymorphic_allocator::construct(pair<T1, T2>*, ...)): Fix order of
1167         arguments to _S_construct_p.
1168         (polymorphic_allocator::_S_construct): Remove.
1169         (polymorphic_allocator::_S_construct_p): Return allocators by value
1170         not by reference.
1171         * include/std/scoped_allocator (scoped_allocator_adaptor::construct):
1172         Qualify calls to __use_alloc.
1173         * testsuite/20_util/polymorphic_allocator/construct_pair.cc: New test,
1174         copied from testsuite/20_util/scoped_allocator/construct_pair.cc.
1175         * testsuite/experimental/polymorphic_allocator/1.cc: New test.
1176         * testsuite/experimental/polymorphic_allocator/construct_pair.cc:
1177         New test.
1178
1179         * src/c++17/memory_resource.cc [!_GLIBCXX_HAS_GTHREADS]
1180         (atomic_mem_res): Add unsynchronized definition for single-threaded.
1181
1182 2018-08-14  Jonathan Wakely  <jwakely@redhat.com>
1183
1184         PR libstdc++/86954
1185         * include/bits/stl_tempbuf.h (return_temporary_buffer): Use
1186         non-placement delete.
1187
1188         * include/std/chrono (__check_overflow): Simplify definition.
1189         (_Checked_integral_constant): Remove.
1190
1191         PR libstdc++/86846
1192         * src/c++17/default_resource.h: New file, defining default_res.
1193         * src/c++17/memory_resource.cc [ATOMIC_POINTER_LOCK_FREE != 2]
1194         (atomic_mem_res): Define alternative for atomic<memory_resource*>
1195         using a mutex instead of atomics.
1196
1197         PR libstdc++/85343
1198         * config/abi/pre/gnu.ver: Export new symbol.
1199         * doc/xml/manual/abi.xml: Document new versions.
1200         * include/bits/fstream.tcc (basic_filebuf<C, T>::underflow)
1201         (basic_filebuf<C, T>::xsgetn): Pass errno to __throw_ios_failure.
1202         * include/bits/functexcept.h (__throw_ios_failure(const char*, int)):
1203         Declare new overload.
1204         * src/c++11/cxx11-ios_failure.cc (__ios_failure): Add new constructor
1205         and static member function.
1206         (__throw_ios_failure(const char*, int)): Define.
1207         * src/c++98/ios_failure.cc [!_GLIBCXX_USE_DUAL_ABI]
1208         (__throw_ios_failure(const char*, int)): Define.
1209
1210 2018-08-14  Jeremy Sawicki  <jeremy-gcc@sawicki.us>
1211
1212         * include/ext/rope (_Rope_iterator_base(const _Rope_iterator_base&))
1213         (_Rope_const_iterator::operator=(const _Rope_const_iterator&))
1214         (_Rope_iterator::operator=(const _Rope_iterator&)): Ensure
1215         copied/assigned rope iterators don't retain pointers to the iterator
1216         they were copied/assigned from.
1217         * testsuite/ext/rope/7.cc: New.
1218
1219 2018-08-13  Jonathan Wakely  <jwakely@redhat.com>
1220
1221         PR libstdc++/45093
1222         * include/bits/stl_tree.h (_Rb_tree::_M_destroy_node(_Link_type)):
1223         Combine definitions to avoid --detect-odr-violations warning.
1224
1225         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Use
1226         __is_pow2 to check for valid alignment. Avoid branching when rounding
1227         size to multiple of alignment.
1228
1229         * include/Makefile.am: Install <bit> and <version> for freestanding.
1230         * include/Makefile.in: Regenerate.
1231         * testsuite/17_intro/freestanding.cc: Check for <bit> and <version>.
1232
1233         Revert
1234         2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
1235
1236         PR target/85904
1237         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
1238         Newlib.
1239         * configure: Regenerate.
1240
1241 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
1242
1243         PR libstdc++/68210
1244         * doc/xml/manual/intro.xml: Document LWG 206 change.
1245         * libsupc++/del_op.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
1246         * libsupc++/del_opa.cc: Likewise.
1247         * libsupc++/del_opant.cc: Likewise.
1248         * libsupc++/del_opnt.cc: Likewise. Call operator delete(ptr) instead
1249         of free(ptr).
1250         * libsupc++/del_ops.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
1251         * libsupc++/del_opsa.cc: Likewise.
1252         * libsupc++/del_opva.cc: Likewise.
1253         * libsupc++/del_opvant.cc: Likewise.
1254         * libsupc++/del_opvnt.cc: Likewise. Call operator delete[](ptr)
1255         instead of operator delete(ptr).
1256         * libsupc++/del_opvs.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
1257         * libsupc++/del_opvsa.cc: Likewise.
1258         * libsupc++/new_op.cc: Use __builtin_expect in check for zero size.
1259         * libsupc++/new_opa.cc: Use nullptr instead of literal 0.
1260         * libsupc++/new_opant.cc: Likewise. Replace _GLIBCXX_USE_NOEXCEPT
1261         with noexcept.
1262         * libsupc++/new_opnt.cc: Likewise. Call operator new(sz) instead of
1263         malloc(sz).
1264         * libsupc++/new_opvant.cc: Use nullptr and noexcept.
1265         * libsupc++/new_opvnt.cc: Likewise. Call operator new[](sz) instead of
1266         operator new(sz, nothrow).
1267         * testsuite/18_support/new_nothrow.cc: New test.
1268
1269 2018-08-10  Martin Liska  <mliska@suse.cz>
1270
1271         * libsupc++/new_op.cc (new): Remove __builtin_expect as malloc
1272         predictor can handle that.
1273         * libsupc++/new_opa.cc: Likewise.
1274         * libsupc++/new_opnt.cc (new): Likewise.
1275
1276 2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
1277
1278         PR target/85904
1279         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
1280         Newlib.
1281         * configure: Regenerate.
1282
1283 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
1284
1285         * include/std/deque (std::pmr::deque): Declare alias.
1286         * include/std/forward_list (std::pmr::forward_list): Likewise.
1287         * include/std/list (std::pmr::list): Likewise.
1288         * include/std/map (std::pmr::map, std::pmr::multimap): Likewise.
1289         * include/std/regex (std::pmr::match_results, std::pmr::cmatch)
1290         (std::pmr::smatch, std::pmr::wcmatch, std::pmr::wsmatch): Likewise.
1291         * include/std/set (std::pmr::set, std::pmr::multiset): Likewise.
1292         * include/std/string (std::pmr::basic_string, std::pmr::string)
1293         (std::pmr::u16string, std::pmr::u32string, std::pmr::wstring):
1294         Likewise.
1295         * include/std/unordered_map (std::pmr::unordered_map)
1296         (std::pmr::unordered_multimap): Likewise.
1297         * include/std/unordered_set (std::pmr::unordered_set)
1298         (std::pmr::unordered_multiset): Likewise.
1299         * include/std/vector (std::pmr::vector): Likewise.
1300         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: New test.
1301         * testsuite/23_containers/deque/types/pmr_typedefs.cc: New test.
1302         * testsuite/23_containers/forward_list/pmr_typedefs.cc: New test.
1303         * testsuite/23_containers/list/pmr_typedefs.cc: New test.
1304         * testsuite/23_containers/map/pmr_typedefs.cc: New test.
1305         * testsuite/23_containers/multimap/pmr_typedefs.cc: New test.
1306         * testsuite/23_containers/multiset/pmr_typedefs.cc: New test.
1307         * testsuite/23_containers/set/pmr_typedefs.cc: New test.
1308         * testsuite/23_containers/unordered_map/pmr_typedefs.cc: New test.
1309         * testsuite/23_containers/unordered_multimap/pmr_typedefs.cc: New
1310         test.
1311         * testsuite/23_containers/unordered_multiset/pmr_typedefs.cc: New
1312         test.
1313         * testsuite/23_containers/unordered_set/pmr_typedefs.cc: New test.
1314         * testsuite/23_containers/vector/pmr_typedefs.cc: New test.
1315         * testsuite/28_regex/match_results/pmr_typedefs.cc: New test.
1316
1317 2018-08-08  François Dumont  <fdumont@gcc.gnu.org>
1318
1319         * include/bits/stl_algo.h
1320         (__rotate(_Ite, _Ite, _Ite, forward_iterator_tag))
1321         (__rotate(_Ite, _Ite, _Ite, bidirectional_iterator_tag))
1322         (__rotate(_Ite, _Ite, _Ite, random_access_iterator_tag)): Move code
1323         duplication...
1324         (rotate(_Ite, _Ite, _Ite)): ...here.
1325         (__stable_partition_adaptive(_FIt, _FIt, _Pred, _Dist, _Pointer, _Dist)):
1326         Simplify rotate call.
1327         (__rotate_adaptive(_BIt1, _BIt1, _BIt1, _Dist, _Dist, _Bit2, _Dist)):
1328         Likewise.
1329         (__merge_without_buffer(_BIt, _BIt, _BIt, _Dist, _Dist, _Comp)):
1330         Likewise.
1331
1332 2018-08-08  Jonathan Wakely  <jwakely@redhat.com>
1333
1334         * libsupc++/new_opa.cc (aligned_alloc): Declare inside namespace to
1335         avoid clashing with an ::aligned_alloc function that was not detected
1336         by configure.
1337
1338         * doc/xml/manual/using.xml: Fix markup for empty table entry.
1339         * doc/html/*: Regenerate.
1340
1341         * doc/xml/manual/using.xml: Add missing header to table and fix typo.
1342         * doc/html/*: Regenerate.
1343
1344         PR libstdc++/86597
1345         * include/bits/fs_dir.h (directory_entry::_M_file_type(error_code&)):
1346         Clear error_code when cached type is used.
1347         * testsuite/27_io/filesystem/directory_entry/86597.cc: New test.
1348
1349 2018-08-07  Jonathan Wakely  <jwakely@redhat.com>
1350
1351         PR libstdc++/86874
1352         * include/std/variant (_Copy_ctor_base::_M_destructive_move): Define
1353         here instead of in _Move_assign_base.
1354         (_Copy_ctor_base<true, _Types...>::_M_destructive_move): Define.
1355         (_Copy_assign_base::operator=): Use _M_destructive_move when changing
1356         the contained value to another alternative.
1357         (_Move_assign_base::operator=): Likewise.
1358         (_Move_assign_base::_M_destructive_move): Remove.
1359         * testsuite/20_util/variant/86874.cc: New test.
1360
1361         PR libstdc++/86861
1362         * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] (aligned_alloc):
1363         Replace macro with inline function.
1364         [__sun]: Increase alignment to meet memalign precondition.
1365         [!HAVE__ALIGNED_MALLOC && !HAVE_POSIX_MEMALIGN && !HAVE_MEMALIGN]
1366         (aligned_alloc): Move check for valid alignment to operator new.
1367         Remove redundant check for non-zero size, it's enforced by the caller.
1368         (operator new): Move check for valid alignment here. Use
1369         __builtin_expect on check for zero size.
1370
1371         * config/abi/pre/gnu.ver: Export monotonic_buffer_resource members.
1372         * include/std/memory_resource (monotonic_buffer_resource::release):
1373         Call _M_release_buffers to free buffers.
1374         (monotonic_buffer_resource::do_allocate): Call _M_new_buffer to
1375         allocate a new buffer from upstream.
1376         (monotonic_buffer_resource::_M_new_buffer): Declare.
1377         (monotonic_buffer_resource::_M_release_buffers): Declare.
1378         (monotonic_buffer_resource::_Chunk): Replace definition with
1379         declaration as opaque type.
1380         * src/c++17/memory_resource.cc (monotonic_buffer_resource::_Chunk):
1381         Define.
1382         (monotonic_buffer_resource::_M_new_buffer): Define.
1383         (monotonic_buffer_resource::_M_release_buffers): Define.
1384
1385 2018-08-05  François Dumont  <fdumont@gcc.gnu.org>
1386
1387         * include/bits/stl_iterator.h: Fix comment.
1388
1389 2018-08-03  Jonathan Wakely  <jwakely@redhat.com>
1390
1391         * src/c++11/system_error.cc
1392         (system_error_category::default_error_condition): Add workaround for
1393         ENOTEMPTY and EEXIST having the same value on AIX.
1394         * testsuite/19_diagnostics/error_category/system_category.cc: Add
1395         extra testcases for EDOM, EILSEQ, ERANGE, EEXIST and ENOTEMPTY.
1396
1397 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
1398
1399         * configure: Regenerate.
1400         * configure.ac: Add -D_GLIBCXX_ASSERTIONS to default DEBUG_FLAGS.
1401         * src/c++11/futex.cc: Use __glibcxx_assert instead of
1402         _GLIBCXX_DEBUG_ASSERT.
1403
1404 2018-08-01  Mike Crowe  <mac@mcrowe.com>
1405
1406         * include/std/condition_variable (wait_for): Use steady_clock.
1407
1408 2018-08-01  Mike Crowe  <mac@mcrowe.com>
1409
1410         * include/std/condition_variable (wait_until): Only report timeout
1411         if we really have timed out when measured against the
1412         caller-supplied clock.
1413         * testsuite/30_threads/condition_variable/members/2.cc: Add test
1414         case to confirm above behaviour.
1415
1416 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
1417
1418         PR libstdc++/60555
1419         * src/c++11/system_error.cc
1420         (system_error_category::default_error_condition): New override to
1421         check for POSIX errno values.
1422         * testsuite/19_diagnostics/error_category/generic_category.cc: New
1423         * testsuite/19_diagnostics/error_category/system_category.cc: New
1424         test.
1425
1426 2018-07-31  Jonathan Wakely  <jwakely@redhat.com>
1427
1428         PR libstdc++/86751
1429         * include/bits/stl_pair.h (__pair_base): New class with deleted copy
1430         assignment operator.
1431         (pair): Derive from __pair_base.
1432         (pair::operator=): Remove deleted overload.
1433         * python/libstdcxx/v6/printers.py (StdPairPrinter): New pretty printer
1434         so that new base class isn't shown in GDB.
1435         * testsuite/20_util/pair/86751.cc: New test.
1436         * testsuite/20_util/pair/ref_assign.cc: New test.
1437
1438         * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
1439         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Move definitions here.
1440         (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Likewise. Use !__is_identifier
1441         instead of __has_builtin.
1442         * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
1443         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Remove definitions from here.
1444         * include/std/version [!_GLIBCXX_HAS_GTHREADS]
1445         (__cpp_lib_shared_timed_mutex, __cpp_lib_scoped_lock)
1446         (__cpp_lib_shared_mutex): Don't define when Gthreads not in use.
1447         [!_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP]
1448         (__cpp_lib_has_unique_object_representations): Don't define when
1449         builtin not available.
1450         [!_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE] (__cpp_lib_is_aggregate):
1451         Likewise.
1452         [!_GLIBCXX_HAVE_BUILTIN_LAUNDER] (__cpp_lib_launder): Likewise.
1453         * libsupc++/new (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Remove definition
1454         from here.
1455
1456         * doc/xml/manual/test.xml: Improve documentation on writing tests for
1457         newer standards.
1458         * doc/xml/manual/using.xml: Document all headers for C++11 and later.
1459         * doc/html/*: Regenerate.
1460
1461         * include/ext/pointer.h [__cplusplus >= 201103L]
1462         (_Pointer_adapter::operator bool): Add explicit conversion operator
1463         to replace safe bool idiom.
1464
1465 2018-07-30  Jonathan Wakely  <jwakely@redhat.com>
1466
1467         PR libstdc++/86734
1468         * include/bits/stl_iterator.h (reverse_iterator::operator->): Call
1469         _S_to_pointer (LWG 1052, LWG 2118).
1470         (reverse_iterator::_S_to_pointer): Define overloaded helper functions.
1471         * testsuite/24_iterators/reverse_iterator/dr1052.cc: New test.
1472         * testsuite/24_iterators/reverse_iterator/dr2188.cc: New test.
1473
1474         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Add
1475         workaround for aligned_alloc bug on AIX.
1476         * testsuite/18_support/new_aligned.cc: New test.
1477
1478 2018-07-26  Marek Polacek  <polacek@redhat.com>
1479
1480         * testsuite/30_threads/condition_variable_any/cond.cc: New.
1481
1482 2018-07-26  Marek Polacek  <polacek@redhat.com>
1483
1484         * src/c++98/locale_init.cc: Fix #ifdef condition.
1485
1486 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
1487
1488         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: Add
1489         dg-require-cstdint directive.
1490         * testsuite/20_util/allocator/overaligned.cc: Likewise.
1491         * testsuite/20_util/any/cons/aligned.cc: Likewise.
1492         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: Likewise.
1493         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: Likewise.
1494         * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
1495         Likewise.
1496         * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
1497         * testsuite/23_containers/list/modifiers/insert/25288.cc: Likewise.
1498         * testsuite/23_containers/set/allocator/move_assign.cc: Likewise.
1499         * testsuite/25_algorithms/make_heap/complexity.cc: Likewise.
1500         * testsuite/25_algorithms/pop_heap/complexity.cc: Require cstdint and
1501         random_device effective-target.
1502         * testsuite/25_algorithms/push_heap/complexity.cc: Likewise.
1503         * testsuite/25_algorithms/sample/1.cc: Require cstdint.
1504         * testsuite/25_algorithms/sample/2.cc: Likewise.
1505         * testsuite/25_algorithms/sort_heap/complexity.cc: Require cstdint
1506         and random_device.
1507         * testsuite/26_numerics/headers/random/types_std_c++0x.cc: Require
1508         cstdint.
1509         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
1510         Likewise.
1511         * testsuite/26_numerics/random/discard_block_engine/requirements/
1512         constexpr_data.cc: Likewise.
1513         * testsuite/26_numerics/random/discard_block_engine/requirements/
1514         constexpr_functions.cc: Likewise.
1515         * testsuite/26_numerics/random/independent_bits_engine/requirements/
1516         constexpr_functions.cc: Likewise.
1517         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
1518         constexpr_data.cc: Likewise.
1519         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
1520         constexpr_functions.cc: Likewise.
1521         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
1522         constexpr_data.cc: Likewise.
1523         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
1524         constexpr_functions.cc: Likewise.
1525         * testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
1526         * testsuite/26_numerics/random/seed_seq/cons/65631.cc: Likewise.
1527         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
1528         constexpr_data.cc: Add dg-require-cstdint directive.
1529         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
1530         constexpr_functions.cc: Likewise.
1531         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
1532         constexpr_data.cc: Likewise.
1533         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
1534         constexpr_functions.cc: Likewise.
1535         * testsuite/26_numerics/random/uniform_real_distribution/operators/
1536         64351.cc: Likewise.
1537         * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc: Likewise.
1538         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
1539         * testsuite/experimental/algorithm/sample.cc: Likewise.
1540         * testsuite/experimental/algorithm/search.cc: Likewise.
1541         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
1542         * testsuite/experimental/any/cons/aligned.cc: Likewise.
1543         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1544         Likewise.
1545         * testsuite/experimental/memory_resource/resource_adaptor.cc: Likewise.
1546         * testsuite/experimental/random/randint.cc: Likewise.
1547         * testsuite/experimental/source_location/1.cc: Likewise.
1548         * testsuite/ext/bitmap_allocator/overaligned.cc: Likewise.
1549         * testsuite/ext/malloc_allocator/overaligned.cc: Likewise.
1550         * testsuite/ext/mt_allocator/overaligned.cc: Likewise.
1551         * testsuite/ext/new_allocator/overaligned.cc: Likewise.
1552         * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
1553         * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
1554         * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
1555         * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
1556         * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
1557         * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
1558         * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
1559         * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
1560         * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
1561         * testsuite/ext/pool_allocator/overaligned.cc: Likewise.
1562         * testsuite/ext/throw_allocator/check_allocate_max_size.cc: Likewise.
1563         * testsuite/ext/throw_allocator/check_deallocate_null.cc: Likewise.
1564         * testsuite/ext/throw_allocator/check_delete.cc: Likewise.
1565         * testsuite/ext/throw_allocator/check_new.cc: Likewise.
1566         * testsuite/ext/throw_allocator/deallocate_global.cc: Likewise.
1567         * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
1568         * testsuite/ext/throw_allocator/explicit_instantiation.cc: Likewise.
1569         * testsuite/ext/throw_allocator/variadic_construct.cc: Likewise.
1570         * testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Likewise.
1571
1572         * testsuite/30_threads/recursive_mutex/cons/1.cc: Likewise.
1573         * testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise.
1574         * testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise.
1575         * testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc:
1576         Likewise.
1577         * testsuite/30_threads/recursive_mutex/lock/1.cc: Likewise.
1578         * testsuite/30_threads/recursive_mutex/native_handle/1.cc: Likewise.
1579         * testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc:
1580         Likewise.
1581         * testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc:
1582         Likewise.
1583         * testsuite/30_threads/recursive_mutex/requirements/typedefs.cc:
1584         Likewise.
1585         * testsuite/30_threads/recursive_mutex/try_lock/1.cc: Likewise.
1586         * testsuite/30_threads/recursive_mutex/try_lock/2.cc: Likewise.
1587         * testsuite/30_threads/recursive_mutex/unlock/1.cc: Likewise.
1588         * testsuite/30_threads/recursive_mutex/unlock/2.cc: Likewise.
1589         * testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Likewise.
1590         * testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
1591         Likewise.
1592         * testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
1593         Likewise.
1594         * testsuite/30_threads/recursive_timed_mutex/dest/
1595         destructor_locked.cc: Likewise.
1596         * testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
1597         * testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
1598         * testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc:
1599         Likewise.
1600         * testsuite/30_threads/recursive_timed_mutex/native_handle/
1601         typesizes.cc: Likewise.
1602         * testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc:
1603         Likewise.
1604         * testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc:
1605         Likewise.
1606         * testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc:
1607         Likewise.
1608         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
1609         Likewise.
1610         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
1611         Likewise.
1612         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
1613         Likewise.
1614         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
1615         Likewise.
1616         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
1617         Likewise.
1618         * testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
1619         * testsuite/30_threads/recursive_timed_mutex/unlock/2.cc: Likewise.
1620         * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
1621         * testsuite/30_threads/scoped_lock/requirements/
1622         explicit_instantiation.cc: Likewise.
1623         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
1624         * testsuite/30_threads/shared_future/cons/assign.cc: Likewise.
1625         * testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise.
1626         * testsuite/30_threads/shared_future/cons/copy.cc: Likewise.
1627         * testsuite/30_threads/shared_future/cons/default.cc: Likewise.
1628         * testsuite/30_threads/shared_future/cons/move.cc: Likewise.
1629         * testsuite/30_threads/shared_future/cons/move_assign.cc: Likewise.
1630         * testsuite/30_threads/shared_future/members/45133.cc: Likewise.
1631         * testsuite/30_threads/shared_future/members/get.cc: Likewise.
1632         * testsuite/30_threads/shared_future/members/get2.cc: Likewise.
1633         * testsuite/30_threads/shared_future/members/valid.cc: Likewise.
1634         * testsuite/30_threads/shared_future/members/wait.cc: Likewise.
1635         * testsuite/30_threads/shared_future/members/wait_for.cc: Likewise.
1636         * testsuite/30_threads/shared_future/members/wait_until.cc: Likewise.
1637         * testsuite/30_threads/shared_future/requirements/
1638         explicit_instantiation.cc: Likewise.
1639         * testsuite/30_threads/shared_lock/cons/1.cc: Likewise.
1640         * testsuite/30_threads/shared_lock/cons/2.cc: Likewise.
1641         * testsuite/30_threads/shared_lock/cons/3.cc: Likewise.
1642         * testsuite/30_threads/shared_lock/cons/4.cc: Likewise.
1643         * testsuite/30_threads/shared_lock/cons/5.cc: Likewise.
1644         * testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
1645         * testsuite/30_threads/shared_lock/locking/1.cc: Likewise.
1646         * testsuite/30_threads/shared_lock/locking/2.cc: Likewise.
1647         * testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
1648         * testsuite/30_threads/shared_lock/locking/4.cc: Likewise.
1649         * testsuite/30_threads/shared_lock/modifiers/1.cc: Likewise.
1650         * testsuite/30_threads/shared_lock/requirements/
1651         explicit_instantiation.cc: Likewise.
1652         * testsuite/30_threads/shared_lock/requirements/typedefs.cc: Likewise.
1653         * testsuite/30_threads/shared_mutex/cons/1.cc: Likewise.
1654         * testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Likewise.
1655         * testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Likewise.
1656         * testsuite/30_threads/shared_mutex/requirements/standard_layout.cc:
1657         Likewise.
1658         * testsuite/30_threads/shared_mutex/try_lock/1.cc: Likewise.
1659         * testsuite/30_threads/shared_mutex/try_lock/2.cc: Likewise.
1660         * testsuite/30_threads/shared_mutex/unlock/1.cc: Likewise.
1661         * testsuite/30_threads/shared_timed_mutex/cons/1.cc: Likewise.
1662         * testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc: Likewise.
1663         * testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc: Likewise.
1664         * testsuite/30_threads/shared_timed_mutex/requirements/
1665         standard_layout.cc: Likewise.
1666         * testsuite/30_threads/shared_timed_mutex/try_lock/1.cc: Likewise.
1667         * testsuite/30_threads/shared_timed_mutex/try_lock/2.cc: Likewise.
1668         * testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: Likewise.
1669         * testsuite/30_threads/shared_timed_mutex/unlock/1.cc: Likewise.
1670         * testsuite/30_threads/this_thread/1.cc: Likewise.
1671         * testsuite/30_threads/this_thread/2.cc: Likewise.
1672         * testsuite/30_threads/this_thread/3.cc: Likewise.
1673         * testsuite/30_threads/this_thread/4.cc: Likewise.
1674         * testsuite/30_threads/this_thread/58038.cc: Likewise.
1675         * testsuite/30_threads/thread/70503.cc: Likewise.
1676         * testsuite/30_threads/thread/84532.cc: Likewise.
1677         * testsuite/30_threads/thread/adl.cc: Likewise.
1678         * testsuite/30_threads/thread/cons/1.cc: Likewise.
1679         * testsuite/30_threads/thread/cons/2.cc: Likewise.
1680         * testsuite/30_threads/thread/cons/3.cc: Likewise.
1681         * testsuite/30_threads/thread/cons/4.cc: Likewise.
1682         * testsuite/30_threads/thread/cons/49668.cc: Likewise.
1683         * testsuite/30_threads/thread/cons/5.cc: Likewise.
1684         * testsuite/30_threads/thread/cons/6.cc: Likewise.
1685         * testsuite/30_threads/thread/cons/7.cc: Likewise.
1686         * testsuite/30_threads/thread/cons/8.cc: Likewise.
1687         * testsuite/30_threads/thread/cons/84535.cc: Likewise.
1688         * testsuite/30_threads/thread/cons/9.cc: Likewise.
1689         * testsuite/30_threads/thread/cons/assign_neg.cc: Likewise.
1690         * testsuite/30_threads/thread/cons/copy_neg.cc: Likewise.
1691         * testsuite/30_threads/thread/cons/lwg2097.cc: Likewise.
1692         * testsuite/30_threads/thread/cons/moveable.cc: Likewise.
1693         * testsuite/30_threads/thread/cons/terminate.cc: Likewise.
1694         * testsuite/30_threads/thread/id/operators.cc: Likewise.
1695         * testsuite/30_threads/thread/members/1.cc: Likewise.
1696         * testsuite/30_threads/thread/members/2.cc: Likewise.
1697         * testsuite/30_threads/thread/members/3.cc: Likewise.
1698         * testsuite/30_threads/thread/members/4.cc: Likewise.
1699         * testsuite/30_threads/thread/members/5.cc: Likewise.
1700         * testsuite/30_threads/thread/members/hardware_concurrency.cc:
1701         Likewise.
1702         * testsuite/30_threads/thread/native_handle/cancel.cc: Likewise.
1703         * testsuite/30_threads/thread/swap/1.cc: Likewise.
1704         * testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
1705         * testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
1706         * testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
1707         * testsuite/30_threads/timed_mutex/dest/destructor_locked.cc: Likewise.
1708         * testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
1709         * testsuite/30_threads/timed_mutex/native_handle/1.cc: Likewise.
1710         * testsuite/30_threads/timed_mutex/native_handle/typesizes.cc:
1711         Likewise.
1712         * testsuite/30_threads/timed_mutex/requirements/
1713         standard_layout.cc: Likewise.
1714         * testsuite/30_threads/timed_mutex/requirements/typedefs.cc: Likewise.
1715         * testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
1716         * testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
1717         * testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
1718         * testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
1719         * testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
1720         * testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
1721         * testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
1722         * testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise.
1723         * testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
1724         * testsuite/30_threads/timed_mutex/unlock/2.cc: Likewise.
1725         * testsuite/30_threads/try_lock/1.cc: Likewise.
1726         * testsuite/30_threads/try_lock/2.cc: Likewise.
1727         * testsuite/30_threads/try_lock/3.cc: Likewise.
1728         * testsuite/30_threads/try_lock/4.cc: Likewise.
1729         * testsuite/30_threads/unique_lock/cons/1.cc: Likewise.
1730         * testsuite/30_threads/unique_lock/cons/2.cc: Likewise.
1731         * testsuite/30_threads/unique_lock/cons/3.cc: Likewise.
1732         * testsuite/30_threads/unique_lock/cons/4.cc: Likewise.
1733         * testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
1734         * testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
1735         * testsuite/30_threads/unique_lock/locking/1.cc: Likewise.
1736         * testsuite/30_threads/unique_lock/locking/2.cc: Likewise.
1737         * testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
1738         * testsuite/30_threads/unique_lock/locking/4.cc: Likewise.
1739         * testsuite/30_threads/unique_lock/modifiers/1.cc: Likewise.
1740         * testsuite/30_threads/unique_lock/requirements/
1741         explicit_instantiation.cc: Likewise.
1742         * testsuite/30_threads/unique_lock/requirements/typedefs.cc: Likewise.
1743
1744         * testsuite/30_threads/async/42819.cc: Remove dg-require-cstdint
1745         directive.
1746         * testsuite/30_threads/async/49668.cc: Likewise.
1747         * testsuite/30_threads/async/54297.cc: Likewise.
1748         * testsuite/30_threads/async/84532.cc: Likewise.
1749         * testsuite/30_threads/async/any.cc: Likewise.
1750         * testsuite/30_threads/async/async.cc: Likewise.
1751         * testsuite/30_threads/async/except.cc: Likewise.
1752         * testsuite/30_threads/async/forced_unwind.cc: Likewise.
1753         * testsuite/30_threads/async/launch.cc: Likewise.
1754         * testsuite/30_threads/async/lwg2021.cc: Likewise.
1755         * testsuite/30_threads/async/sync.cc: Likewise.
1756         * testsuite/30_threads/call_once/39909.cc: Likewise.
1757         * testsuite/30_threads/call_once/49668.cc: Likewise.
1758         * testsuite/30_threads/call_once/60497.cc: Likewise.
1759         * testsuite/30_threads/call_once/call_once1.cc: Likewise.
1760         * testsuite/30_threads/call_once/constexpr.cc: Likewise.
1761         * testsuite/30_threads/call_once/dr2442.cc: Likewise.
1762         * testsuite/30_threads/call_once/once_flag.cc: Likewise.
1763         * testsuite/30_threads/condition_variable/54185.cc: Likewise.
1764         * testsuite/30_threads/condition_variable/cons/1.cc: Likewise.
1765         * testsuite/30_threads/condition_variable/cons/assign_neg.cc:
1766         Likewise.
1767         * testsuite/30_threads/condition_variable/cons/copy_neg.cc: Likewise.
1768         * testsuite/30_threads/condition_variable/members/1.cc: Likewise.
1769         * testsuite/30_threads/condition_variable/members/2.cc: Likewise.
1770         * testsuite/30_threads/condition_variable/members/3.cc: Likewise.
1771         * testsuite/30_threads/condition_variable/members/53841.cc: Likewise.
1772         * testsuite/30_threads/condition_variable/members/68519.cc: Likewise.
1773         * testsuite/30_threads/condition_variable/native_handle/typesizes.cc:
1774         Likewise.
1775         * testsuite/30_threads/condition_variable/requirements/
1776         standard_layout.cc: Likewise.
1777         * testsuite/30_threads/condition_variable/requirements/typedefs.cc:
1778         * Likewise.
1779         * testsuite/30_threads/condition_variable_any/50862.cc: Likewise.
1780         * testsuite/30_threads/condition_variable_any/53830.cc: Likewise.
1781         * testsuite/30_threads/condition_variable_any/cons/1.cc: Likewise.
1782         * testsuite/30_threads/condition_variable_any/cons/assign_neg.cc:
1783         Likewise.
1784         * testsuite/30_threads/condition_variable_any/cons/copy_neg.cc:
1785         Likewise.
1786         * testsuite/30_threads/condition_variable_any/members/1.cc: Likewise.
1787         * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
1788         * testsuite/30_threads/future/cons/assign_neg.cc: Likewise.
1789         * testsuite/30_threads/future/cons/constexpr.cc: Likewise.
1790         * testsuite/30_threads/future/cons/copy_neg.cc: Likewise.
1791         * testsuite/30_threads/future/cons/default.cc: Likewise.
1792         * testsuite/30_threads/future/cons/move.cc: Likewise.
1793         * testsuite/30_threads/future/cons/move_assign.cc: Likewise.
1794         * testsuite/30_threads/future/members/45133.cc: Likewise.
1795         * testsuite/30_threads/future/members/get.cc: Likewise.
1796         * testsuite/30_threads/future/members/get2.cc: Likewise.
1797         * testsuite/30_threads/future/members/share.cc: Likewise.
1798         * testsuite/30_threads/future/members/valid.cc: Likewise.
1799         * testsuite/30_threads/future/members/wait.cc: Likewise.
1800         * testsuite/30_threads/future/members/wait_for.cc: Likewise.
1801         * testsuite/30_threads/future/members/wait_until.cc: Likewise.
1802         * testsuite/30_threads/future/requirements/explicit_instantiation.cc:
1803         Likewise.
1804         * testsuite/30_threads/headers/condition_variable/types_std_c++0x.cc:
1805         Likewise.
1806         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
1807         * testsuite/30_threads/headers/mutex/types_std_c++0x.cc: Likewise.
1808         * testsuite/30_threads/headers/thread/std_c++0x_neg.cc: Likewise.
1809         * testsuite/30_threads/headers/thread/types_std_c++0x.cc: Likewise.
1810         * testsuite/30_threads/lock/1.cc: Likewise.
1811         * testsuite/30_threads/lock/2.cc: Likewise.
1812         * testsuite/30_threads/lock/3.cc: Likewise.
1813         * testsuite/30_threads/lock/4.cc: Likewise.
1814         * testsuite/30_threads/lock_guard/cons/1.cc: Likewise.
1815         * testsuite/30_threads/lock_guard/requirements/
1816         explicit_instantiation.cc: Likewise.
1817         * testsuite/30_threads/lock_guard/requirements/typedefs.cc: Likewise.
1818         * testsuite/30_threads/mutex/cons/1.cc: Likewise.
1819         * testsuite/30_threads/mutex/cons/assign_neg.cc: Likewise.
1820         * testsuite/30_threads/mutex/cons/constexpr.cc: Likewise.
1821         * testsuite/30_threads/mutex/cons/copy_neg.cc: Likewise.
1822         * testsuite/30_threads/mutex/dest/destructor_locked.cc: Likewise.
1823         * testsuite/30_threads/mutex/lock/1.cc: Likewise.
1824         * testsuite/30_threads/mutex/native_handle/1.cc: Likewise.
1825         * testsuite/30_threads/mutex/native_handle/typesizes.cc: Likewise.
1826         * testsuite/30_threads/mutex/requirements/standard_layout.cc::
1827         Likewise.
1828         * testsuite/30_threads/mutex/requirements/typedefs.cc: Likewise.
1829         * testsuite/30_threads/mutex/try_lock/1.cc: Likewise.
1830         * testsuite/30_threads/mutex/try_lock/2.cc: Likewise.
1831         * testsuite/30_threads/mutex/unlock/1.cc: Likewise.
1832         * testsuite/30_threads/mutex/unlock/2.cc: Likewise.
1833         * testsuite/30_threads/once_flag/cons/constexpr.cc: Likewise.
1834         * testsuite/30_threads/packaged_task/49668.cc: Likewise.
1835         * testsuite/30_threads/packaged_task/60564.cc: Likewise.
1836         * testsuite/30_threads/packaged_task/cons/1.cc: Likewise.
1837         * testsuite/30_threads/packaged_task/cons/2.cc: Likewise.
1838         * testsuite/30_threads/packaged_task/cons/3.cc: Likewise.
1839         * testsuite/30_threads/packaged_task/cons/56492.cc: Likewise.
1840         * testsuite/30_threads/packaged_task/cons/alloc.cc: Likewise.
1841         * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
1842         * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
1843         * testsuite/30_threads/packaged_task/cons/assign_neg.cc: Likewise.
1844         * testsuite/30_threads/packaged_task/cons/copy_neg.cc: Likewise.
1845         * testsuite/30_threads/packaged_task/cons/move.cc: Likewise.
1846         * testsuite/30_threads/packaged_task/cons/move_assign.cc: Likewise.
1847         * testsuite/30_threads/packaged_task/members/at_thread_exit.cc:
1848         Likewise.
1849         * testsuite/30_threads/packaged_task/members/get_future.cc: Likewise.
1850         * testsuite/30_threads/packaged_task/members/get_future2.cc: Likewise.
1851         * testsuite/30_threads/packaged_task/members/invoke.cc: Likewise.
1852         * testsuite/30_threads/packaged_task/members/invoke2.cc: Likewise.
1853         * testsuite/30_threads/packaged_task/members/invoke3.cc: Likewise.
1854         * testsuite/30_threads/packaged_task/members/invoke4.cc: Likewise.
1855         * testsuite/30_threads/packaged_task/members/invoke5.cc: Likewise.
1856         * testsuite/30_threads/packaged_task/members/reset.cc: Likewise.
1857         * testsuite/30_threads/packaged_task/members/reset2.cc: Likewise.
1858         * testsuite/30_threads/packaged_task/members/swap.cc: Likewise.
1859         * testsuite/30_threads/packaged_task/members/valid.cc: Likewise.
1860         * testsuite/30_threads/packaged_task/requirements/
1861         explicit_instantiation.cc: Likewise.
1862         * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
1863         * testsuite/30_threads/promise/60966.cc: Likewise.
1864         * testsuite/30_threads/promise/69106.cc: Likewise.
1865         * testsuite/30_threads/promise/cons/1.cc: Likewise.
1866         * testsuite/30_threads/promise/cons/alloc.cc: Likewise.
1867         * testsuite/30_threads/promise/cons/alloc2.cc: Likewise.
1868         * testsuite/30_threads/promise/cons/alloc_min.cc: Likewise.
1869         * testsuite/30_threads/promise/cons/assign_neg.cc: Likewise.
1870         * testsuite/30_threads/promise/cons/copy_neg.cc: Likewise.
1871         * testsuite/30_threads/promise/cons/move.cc: Likewise.
1872         * testsuite/30_threads/promise/cons/move_assign.cc: Likewise.
1873         * testsuite/30_threads/promise/members/at_thread_exit.cc: Likewise.
1874         * testsuite/30_threads/promise/members/at_thread_exit2.cc: Likewise.
1875         * testsuite/30_threads/promise/members/get_future.cc: Likewise.
1876         * testsuite/30_threads/promise/members/get_future2.cc: Likewise.
1877         * testsuite/30_threads/promise/members/set_exception.cc: Likewise.
1878         * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
1879         * testsuite/30_threads/promise/members/set_value.cc: Likewise.
1880         * testsuite/30_threads/promise/members/set_value2.cc: Likewise.
1881         * testsuite/30_threads/promise/members/set_value3.cc: Likewise.
1882         * testsuite/30_threads/promise/members/swap.cc: Likewise.
1883         * testsuite/30_threads/promise/requirements/explicit_instantiation.cc:
1884         * Likewise.
1885         * testsuite/30_threads/promise/uses_allocator.cc: Likewise.
1886
1887         * testsuite/18_support/numeric_limits/char16_32_t.cc: Qualify names
1888         from namespace std.
1889         * testsuite/20_util/align/2.cc: Remove dg-require-cstdint directive.
1890         * testsuite/20_util/duration/arithmetic/1.cc: Likewise.
1891         * testsuite/20_util/duration/arithmetic/2.cc: Likewise.
1892         * testsuite/20_util/duration/arithmetic/dr2020.cc: Likewise.
1893         * testsuite/20_util/duration/arithmetic/dr934-1.cc: Likewise.
1894         * testsuite/20_util/duration/arithmetic/dr934-2.cc: Likewise.
1895         * testsuite/20_util/duration/comparison_operators/1.cc: Likewise.
1896         * testsuite/20_util/duration/cons/1.cc: Likewise.
1897         * testsuite/20_util/duration/cons/1_neg.cc: Likewise.
1898         * testsuite/20_util/duration/cons/2.cc: Likewise.
1899         * testsuite/20_util/duration/cons/54025.cc: Likewise.
1900         * testsuite/20_util/duration/cons/dr974_neg.cc: Likewise.
1901         * testsuite/20_util/duration/requirements/explicit_instantiation/
1902         explicit_instantiation.cc: Likewise.
1903         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1904         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1905         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1906         * testsuite/20_util/make_signed/requirements/typedefs-4.cc: Likewise.
1907         * testsuite/20_util/ratio/comparisons/comp1.cc: Likewise.
1908         * testsuite/20_util/ratio/comparisons/comp2.cc: Likewise.
1909         * testsuite/20_util/ratio/comparisons/comp3.cc: Likewise.
1910         * testsuite/20_util/ratio/cons/cons1.cc: Likewise.
1911         * testsuite/20_util/ratio/operations/45866.cc: Likewise.
1912         * testsuite/20_util/ratio/operations/47913.cc: Likewise.
1913         * testsuite/20_util/ratio/operations/53840.cc: Likewise.
1914         * testsuite/20_util/ratio/operations/ops1.cc: Likewise.
1915         * testsuite/20_util/shared_ptr/atomic/3.cc: Likewise.
1916         * testsuite/20_util/system_clock/1.cc: Likewise.
1917         * testsuite/20_util/time_point/1.cc: Likewise.
1918         * testsuite/20_util/time_point/2.cc: Likewise.
1919         * testsuite/20_util/time_point/3.cc: Likewise.
1920         * testsuite/20_util/time_point/requirements/explicit_instantiation/
1921         explicit_instantiation.cc: Likewise.
1922         * testsuite/21_strings/basic_string/requirements/
1923         explicit_instantiation/char16_t/1.cc: Likewise.
1924         * testsuite/21_strings/basic_string/requirements/
1925         explicit_instantiation/char32_t/1.cc: Likewise.
1926         * testsuite/21_strings/basic_string_view/requirements/
1927         explicit_instantiation/char16_t/1.cc: Likewise.
1928         * testsuite/21_strings/basic_string_view/requirements/
1929         explicit_instantiation/char32_t/1.cc: Likewise.
1930         * testsuite/21_strings/char_traits/requirements/
1931         explicit_instantiation/char16_t/1.cc: Likewise.
1932         * testsuite/21_strings/char_traits/requirements/
1933         explicit_instantiation/char32_t/1.cc: Likewise.
1934         * testsuite/21_strings/headers/string/types_std_c++0x.cc: Likewise.
1935         * testsuite/22_locale/codecvt/char16_t.cc: Likewise.
1936         * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
1937         * testsuite/22_locale/codecvt/codecvt_utf16/requirements/1.cc:
1938         Likewise.
1939         * testsuite/22_locale/codecvt/codecvt_utf8/requirements/1.cc:
1940         Likewise.
1941         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/requirements/1.cc:
1942         Likewise.
1943         * testsuite/22_locale/codecvt/utf8.cc: Likewise.
1944         * testsuite/23_containers/vector/bool/72847.cc: Likewise.
1945         * testsuite/23_containers/vector/debug/multithreaded_swap.cc:
1946         Likewise.
1947         * testsuite/experimental/string_view/requirements/
1948         explicit_instantiation/char16_t/1.cc: Likewise.
1949         * testsuite/experimental/string_view/requirements/
1950         explicit_instantiation/char32_t/1.cc: Likewise.
1951         * testsuite/ext/vstring/requirements/explicit_instantiation/char16_t/
1952         1.cc: Likewise.
1953         * testsuite/ext/vstring/requirements/explicit_instantiation/char32_t/
1954         1.cc: Likewise.
1955
1956         * include/ext/throw_allocator.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1957         (random_condition, throw_value_random, throw_allocator_random)
1958         (std::hash<throw_value_random>): Do not define when <tr1/random> is
1959         not usable.
1960         * src/c++11/cow-stdexcept.cc [!_GLIBCXX_USE_C99_STDINT_TR1]: Do not
1961         define transactional memory support when <stdint.h> is not usable.
1962
1963         * include/bits/hashtable_policy.h (__detail::__clp2): Use faster
1964         implementation that doesn't depend on <stdint.h> types.
1965         * include/std/memory (align) [!_GLIBCXX_USE_C99_STDINT_TR1]: Use
1966         std::size_t when std::uintptr_t is not usable.
1967         [!_GLIBCXX_USE_C99_STDINT_TR1] (pointer_safety, declare_reachable)
1968         (undeclare_reachable, declare_no_pointers, undeclare_no_pointers):
1969         Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
1970
1971         * include/bits/basic_string.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1972         (hash<u16string>, hash<u32string>): Remove dependency on
1973         _GLIBCXX_USE_C99_STDINT_TR1.
1974         * include/bits/char_traits.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1975         (char_traits<char16_t>, char_traits<char32_t>): Remove dependency on
1976         _GLIBCXX_USE_C99_STDINT_TR1. Use __UINT_LEAST16_TYPE__ and
1977         __UINT_LEAST32_TYPE__ or make_unsigned when <stdint.h> is not usable.
1978         * include/bits/codecvt.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1979         (codecvt<char16_t, char, mbstate_t>)
1980         (codecvt<char32_t, char, mbstate_t>)
1981         (codecvt_byname<char16_t, char, mbstate_t>)
1982         (codecvt_byname<char32_t, char, mbstate_t>): Remove dependency
1983         on _GLIBCXX_USE_C99_STDINT_TR1.
1984         * include/bits/locale_facets.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1985         (_GLIBCXX_NUM_UNICODE_FACETS): Likewise.
1986         * include/bits/stringfwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1987         (char_traits<char16_t>, char_traits<char32_t>)
1988         (basic_string<char16_t>, basic_string<char32_t>): Remove dependency
1989         on _GLIBCXX_USE_C99_STDINT_TR1.
1990         * include/experimental/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
1991         (u16string_view, u32string_view, hash<u16string_view>)
1992         (hash<u32string_view>, operator""sv(const char16_t, size_t))
1993         (operator""sv(const char32_t, size_t)): Likewise.
1994         * include/ext/vstring.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1995         (hash<__u16vstring>, hash<__u32vstring>): Likewise.
1996         * include/ext/vstring_fwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1997         (__u16vstring, __u16sso_string, __u16rc_string, __u32vstring)
1998         (__u32sso_string, __u32rc_string): Likewise.
1999         * include/std/codecvt [!_GLIBCXX_USE_C99_STDINT_TR1] (codecvt_mode)
2000         (codecvt_utf8, codecvt_utf16, codecvt_utf8_utf16): Likewise.
2001         * include/std/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
2002         (u16string_view, u32string_view, hash<u16string_view>)
2003         (hash<u32string_view>, operator""sv(const char16_t, size_t))
2004         (operator""sv(const char32_t, size_t)): Likewise.
2005         * src/c++11/codecvt.cc: Likewise.
2006         * src/c++98/locale_init.cc: Likewise.
2007         * src/c++98/localename.cc: Likewise.
2008
2009         * include/bits/atomic_futex.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2010         (__atomic_futex_unsigned_base): Remove dependency on
2011         _GLIBCXX_USE_C99_STDINT_TR1 macro.
2012         * include/bits/unique_lock.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2013         (unique_lock): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1.
2014         * include/c_global/cstdint [!_GLIBCXX_USE_C99_STDINT_TR1] (intmax_t)
2015         (uintmax_t): Define using predefined macros.
2016         * include/std/chrono [!_GLIBCXX_USE_C99_STDINT_TR1] (duration)
2017         (time_point, system_clock, high_resolution_clock, steady_clock): Remove
2018         dependency on _GLIBCXX_USE_C99_STDINT_TR1 macro.
2019         (nanoseconds, microseconds, milliseconds, seconds, minutes, hours):
2020         [!_GLIBCXX_USE_C99_STDINT_TR1]: Define using __INT64_TYPE__ or
2021         long long when <stdint.h> is not usable.
2022         * include/std/condition_variable [!_GLIBCXX_USE_C99_STDINT_TR1]
2023         (condition_variable, condition_variable_any): Remove dependency on
2024         _GLIBCXX_USE_C99_STDINT_TR1.
2025         * include/std/future [!_GLIBCXX_USE_C99_STDINT_TR1] (future, promise)
2026         (packaged_task, async): Likewise.
2027         * include/std/mutex [!_GLIBCXX_USE_C99_STDINT_TR1] (recursive_mutex)
2028         (timed_mutex, recursive_timed_mutex, try_lock, lock, scoped_lock)
2029         (once_flag, call_once): Likewise.
2030         * include/std/ratio [!_GLIBCXX_USE_C99_STDINT_TR1] (ratio): Likewise.
2031         * include/std/shared_mutex [!_GLIBCXX_USE_C99_STDINT_TR1]
2032         (shared_mutex, shared_timed_mutex, shared_lock): Likewise.
2033         * include/std/thread [!_GLIBCXX_USE_C99_STDINT_TR1] (thread)
2034         (this_thread::get_id, this_thread::yield, this_thread::sleep_for)
2035         (this_thread::sleep_until): Likewise.
2036         * src/c++11/chrono.cc: Remove dependency on
2037         _GLIBCXX_USE_C99_STDINT_TR1 macro.
2038         * src/c++11/condition_variable.cc: Likewise.
2039         * src/c++11/futex.cc: Likewise.
2040         * src/c++11/future.cc: Likewise.
2041         * src/c++11/mutex.cc: Likewise.
2042         * src/c++11/thread.cc: Likewise.
2043         * testsuite/20_util/duration/literals/range_neg.cc: Adjust dg-error.
2044         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
2045         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
2046         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
2047         * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Likewise.
2048         * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
2049
2050 2018-07-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2051
2052         PR libstdc++/77691
2053         * testsuite/experimental/memory_resource/new_delete_resource.cc:
2054         xfail execution on 32-bit Solaris/x86.
2055
2056 2018-07-26  Marc Glisse  <marc.glisse@inria.fr>
2057
2058         * include/bits/stl_vector.h (_Vector_impl_data::_M_copy_data): New.
2059         (_Vector_impl_data::_M_swap_data): Use _M_copy_data.
2060         (vector::_M_move_assign): Reorder the swaps.
2061
2062 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
2063
2064         PR libstdc++/86676
2065         * testsuite/20_util/monotonic_buffer_resource/release.cc: Request
2066         same alignment for post-release allocation.
2067
2068 2018-07-25  Jonathan Wakely  <jwakely@redhat.com>
2069
2070         PR libstdc++/86676
2071         * testsuite/20_util/monotonic_buffer_resource/release.cc: Allow for
2072         buffer being misaligned and so returned pointer not being at start.
2073
2074         * include/experimental/memory_resource: Include <cstddef> header.
2075
2076         * acinclude.m4 (glibcxx_SUBDIRS): Add src/c++17.
2077         * src/Makefile.am: Add comment.
2078         * src/c++17/Makefile.in: Regenerate.
2079
2080         * include/Makefile.am: Add new <bits/unique_lock.h> header.
2081         * include/Makefile.in: Regenerate.
2082         * include/bits/std_mutex.h [!_GLIBCXX_USE_C99_STDINT_TR1] (mutex)
2083         (lock_guard): Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
2084         (unique_lock): Move definition to ...
2085         * include/bits/unique_lock.h: New header.
2086         [!_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock): Define unconditionally.
2087         [_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock(mutex_type&, time_point))
2088         (unique_lock(mutex_type&, duration), unique_lock::try_lock_until)
2089         (unique_lock::try_lock_for): Define only when <chrono> is usable.
2090         * include/std/condition_variable: Include <bits/unique_lock.h>.
2091         * include/std/mutex: Likewise.
2092
2093 2018-07-24  Jonathan Wakely  <jwakely@redhat.com>
2094
2095         * config/abi/pre/gnu.ver: Export new symbols.
2096         * configure: Regenerate.
2097         * include/Makefile.am: Add new <memory_resource> header.
2098         * include/Makefile.in: Regenerate.
2099         * include/precompiled/stdc++.h: Include <memory_resource> for C++17.
2100         * include/std/memory_resource: New header.
2101         (memory_resource, polymorphic_allocator, new_delete_resource)
2102         (null_memory_resource, set_default_resource, get_default_resource)
2103         (pool_options, monotonic_buffer_resource): Define.
2104         * src/Makefile.am: Add c++17 directory.
2105         * src/Makefile.in: Regenerate.
2106         * src/c++11/Makefile.am: Fix comment.
2107         * src/c++17/Makefile.am: Add makefile for new sub-directory.
2108         * src/c++17/Makefile.in: Generate.
2109         * src/c++17/memory_resource.cc: New.
2110         (newdel_res_t, null_res_t, constant_init, newdel_res, null_res)
2111         (default_res, new_delete_resource, null_memory_resource)
2112         (set_default_resource, get_default_resource): Define.
2113         * testsuite/20_util/memory_resource/1.cc: New test.
2114         * testsuite/20_util/memory_resource/2.cc: New test.
2115         * testsuite/20_util/monotonic_buffer_resource/1.cc: New test.
2116         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: New test.
2117         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: New test.
2118         * testsuite/20_util/monotonic_buffer_resource/release.cc: New test.
2119         * testsuite/20_util/monotonic_buffer_resource/upstream_resource.cc:
2120         New test.
2121         * testsuite/20_util/polymorphic_allocator/1.cc: New test.
2122         * testsuite/20_util/polymorphic_allocator/resource.cc: New test.
2123         * testsuite/20_util/polymorphic_allocator/select.cc: New test.
2124         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
2125         Define concrete memory resource for testing.
2126         (__gnu_test::default_resource_mgr): Define RAII helper for changing
2127         default resource.
2128
2129         PR libstdc++/86658
2130         * include/bits/stl_algobase.h (__niter_wrap<_Iterator>): Pass unused
2131         parameter by reference, to avoid copying invalid iterators.
2132         * testsuite/25_algorithms/copy/86658.cc: New test.
2133
2134         * include/std/bit (__countl_zero, __countr_zero, __popcount): Use
2135         local variables for number of digits instead of type aliases.
2136         (__log2p1): Remove redundant branch also checked in __countl_zero.
2137
2138         * include/bits/uses_allocator.h (__is_erased_or_convertible): Reorder
2139         conditions. Add comments.
2140         * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error line.
2141         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
2142         * testsuite/20_util/scoped_allocator/69293_neg.cc: Likewise.
2143
2144         * include/bits/uses_allocator.h (__is_erased_or_convertible): Remove.
2145         (__uses_allocator_helper): Check conditions directly instead of
2146         using __is_erased_or_convertible.
2147
2148         * include/experimental/memory_resource: Adjust comments and
2149         whitespace.
2150         (__resource_adaptor_imp): Add second template parameter for type of
2151         memory resource base class.
2152         (memory_resource): Define default constructor, destructor, copy
2153         constructor and copy assignment operator as defaulted.
2154
2155         PR libstdc++/70966
2156         * include/experimental/memory_resource (__get_default_resource): Use
2157         placement new to create an object with dynamic storage duration.
2158
2159 2018-07-23  Jonathan Wakely  <jwakely@redhat.com>
2160
2161         PR libstdc++/70940
2162         * include/experimental/memory_resource
2163         (__resource_adaptor_common::_AlignMgr::_M_unadjust): Add assertion.
2164         (__resource_adaptor_common::__guaranteed_alignment): New helper to
2165         give maximum alignment an allocator guarantees. Specialize for known
2166         allocators using new and malloc.
2167         (__resource_adaptor_imp::do_allocate): Use __guaranteed_alignment.
2168         (__resource_adaptor_imp::do_deallocate): Likewise.
2169         * testsuite/experimental/memory_resource/new_delete_resource.cc:
2170         Check that new and delete are called with expected sizes.
2171
2172 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
2173
2174         PR libstdc++/86595
2175         * include/bits/fs_dir.h (directory_entry::refresh(error_code&)): Add
2176         noexcept.
2177
2178 2018-07-20  Fangrui Song  <maskray@google.com>
2179
2180         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Use
2181         _GLIBCXX_VISIBILITY(default).
2182
2183 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
2184
2185         PR libstdc++/86603
2186         * include/std/version: Move __cpp_lib_list_remove_return_type macro.
2187
2188 2018-07-19  Jonathan Wakely  <jwakely@redhat.com>
2189
2190         * include/std/type_traits (__is_member_object_pointer_helper): Use
2191         __not_<is_function<_Tp>>::type instead of integral_constant.
2192         (__is_member_function_pointer_helper): Likewise for
2193         is_function<_Tp>::type.
2194         (is_compund): Likewise for __not_<is_fundamental<_Tp>>::type.
2195         (__do_is_nt_destructible_impl): Use __bool_constant and reindent.
2196         (is_trivially_constructible): Remove redundant use of
2197         is_constructible.
2198         (__is_trivially_copy_assignable_impl): Remove redundant use of
2199         is_copy_assignable.
2200         (__is_trivially_move_assignable_impl): Remove redundant use of
2201         is_move_assignable.
2202         (is_trivially_destructible): Use __bool_constant.
2203         * testsuite/20_util/is_trivially_assignable/value.cc: Add some more
2204         tests for scalar types.
2205
2206 2018-07-19  Glen Joseph Fernandes  <glenjofe@gmail.com>
2207
2208         * include/bits/stl_algobase.h (__copy_move_a): Used
2209         __is_trivially_copyable.
2210         (__copy_move_backward_a): Likewise.
2211         * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
2212         New test.
2213
2214 2018-07-17  Jonathan Wakely  <jwakely@redhat.com>
2215
2216         PR libstdc++/86450
2217         * acinclude.m4 (GLIBCXX_CHECK_COMPILER_FEATURES): Don't define WERROR.
2218         (GLIBCXX_EXPORT_FLAGS): Use -Wabi=2 instead of -Wabi.
2219         * configure: Regenerate.
2220         * configure.ac: Change GLIBCXX_ENABLE_WERROR default to "no".
2221         * doc/Makefile.in: Regenerate.
2222         * fragment.am: Set WERROR_FLAG to -Werror instead of $(WERROR).
2223         * include/Makefile.in: Regenerate.
2224         * libsupc++/Makefile.in: Regenerate.
2225         * po/Makefile.in: Regenerate.
2226         * python/Makefile.in: Regenerate.
2227         * src/Makefile.in: Regenerate.
2228         * src/c++11/Makefile.in: Regenerate.
2229         * src/c++11/debug.cc: Use diagnostic pragmas to suppress warnings
2230         from -Wabi=2 that don't affect exported symbols.
2231         * src/c++98/Makefile.in: Regenerate.
2232         * src/filesystem/Makefile.in: Regenerate.
2233         * testsuite/Makefile.in: Regenerate.
2234
2235         * src/c++11/compatibility-thread-c++0x.cc [_GLIBCXX_SHARED]
2236         (_Async_state_common::_M_join): Simplify use of std::call_once and
2237         corresponding explicit instantiation.
2238         (_Maybe_wrap_member_pointer, _Bind_simple, _Bind_simple_helper)
2239         (__bind_simple): Remove definitions and explicit instantiation that
2240         are not required by exported symbols.
2241
2242 2018-07-16  Jonathan Wakely  <jwakely@redhat.com>
2243
2244         * scripts/create_testsuite_files: Fix typo in comment.
2245
2246         PR libstdc++/86537
2247         * include/bits/shared_ptr.h (less<shared_ptr<_Tp>>): Remove
2248         non-standard partial specialization.
2249         * include/bits/shared_ptr_base.h (_Sp_less): Remove class definition.
2250         (less<__shared_ptr<_Tp, _Lp>): Remove partial specialization.
2251         * testsuite/20_util/shared_ptr/comparison/86537.cc: New test.
2252
2253 2018-07-16  Andreas Krebbel  <krebbel@linux.ibm.com>
2254
2255         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
2256         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
2257         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
2258
2259 2018-07-06  François Dumont  <fdumont@gcc.gnu.org>
2260
2261         * include/debug/functions.h (__gnu_debug::__check_string): Move...
2262         * include/debug/string (__gnu_debug::__check_string): ... here.
2263         (_GLIBCXX_DEBUG_VERIFY_STR_COND_AT): New.
2264         (__glibcxx_check_string_n_constructor): New.
2265         (__gnu_debug::basic_string<>(const _CharT*, size_type, const _Alloc&)):
2266         Use latter.
2267         (__glibcxx_check_string_constructor): New.
2268         (__gnu_debug::basic_string<>(const _CharT*, const _Alloc&)):
2269         Use latter.
2270         * testsuite/21_strings/basic_string/debug/1_neg.cc: New.
2271         * testsuite/21_strings/basic_string/debug/2_neg.cc: New.
2272
2273 2018-07-06  Jonathan Wakely  <jwakely@redhat.com>
2274
2275         PR libstdc++/84928 use std::move in <numeric> algorithms
2276         * include/bits/stl_numeric.h (_GLIBCXX_MOVE_IF_20): Define macro to
2277         conditionally move, according to __cplusplus value.
2278         (accumulate, inner_product, partial_sum, adjacent_difference): Use
2279         _GLIBCXX_MOVE_IF_20.
2280         * testsuite/26_numerics/accumulate/lwg2055.cc: New test.
2281         * testsuite/26_numerics/adjacent_difference/lwg2055.cc: New test.
2282         * testsuite/26_numerics/inner_product/lwg2055.cc: New test.
2283         * testsuite/26_numerics/partial_sum/lwg2055.cc: New test.
2284
2285         * config/abi/pre/gnu.ver: Use wildcards to combine related patterns.
2286
2287         P0935R0 Eradicating unnecessarily explicit default constructors
2288         * config/abi/pre/gnu.ver: Tighten existing patterns and export new
2289         default constructor symbols.
2290         * include/std/sstream (basic_stringbuf, basic_istringstream)
2291         (basic_ostringstream, basic_stringstream): Remove default arguments
2292         from explicit constructors taking ios_base::openmode and add separate
2293         non-explicit default constructors.
2294         * testsuite/27_io/basic_istringstream/cons/default.cc: New.
2295         * testsuite/27_io/basic_ostringstream/cons/default.cc: New.
2296         * testsuite/27_io/basic_stringstream/cons/default.cc: New.
2297         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: New.
2298         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: New.
2299
2300         * include/std/variant (__accepted_index): Use void_t.
2301
2302 2018-07-05  Jonathan Wakely  <jwakely@redhat.com>
2303
2304         PR libstdc++/85831
2305         * config/abi/pre/gnu.ver: Export move constructors and move
2306         assignment operators for std::logic_error and std::runtime_error.
2307         * include/std/stdexcept: Use _GLIBCXX_NOTHROW instead of
2308         _GLIBCXX_USE_NOEXCEPT.
2309         (logic_error, runtime_error): Declare move constructors and move
2310         assignment operators. When not declared already, define copy
2311         constructors and copy assignment operators as explicit-defaulted.
2312         (domain_error, invalid_argument, length_error, out_of_range)
2313         (overflow_error, underflow_error): Define move constructors and move
2314         assignment operators as explicitly-defaulted.
2315         * libsupc++/exception.h (exception): Likewise.
2316         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Define
2317         move constructors and move assignment operators as defaulted.
2318         * testsuite/19_diagnostics/stdexcept.cc: Check that constructors and
2319         assignment operators are defined.
2320
2321         * testsuite/21_strings/basic_string/cons/char/deduction.cc: XFAIL for
2322         COW strings.
2323         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2324         Likewise.
2325         * testsuite/21_strings/basic_string/requirements/
2326         explicit_instantiation/debug.cc: Likewise.
2327
2328         PR libstdc++/58265
2329         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2330         (basic_string::assign(basic_string&&)): Add conditional noexcept
2331         depending on the allocator's is_always_equal property (LWG 2063).
2332         * testsuite/21_strings/basic_string/modifiers/assign/char/
2333         move_assign.cc: Check for non-throwing exception specification.
2334         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
2335         move_assign.cc: Likewise.
2336
2337         PR libstdc++/58265
2338         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2339         [_GLIBCXX_FULLY_DYNAMIC_STRING==0] (basic_string::basic_string()):
2340         Add GLIBCXX_NOEXCEPT.
2341         (basic_string::operator=(basic_string&&)): Add _GLIBCXX_NOEXCEPT_IF
2342         to depend on the allocator's is_always_equal property (LWG 2063).
2343         (basic_string::swap(basic_string&)): Likewise.
2344         * include/bits/basic_string.tcc [!_GLIBCXX_USE_CXX11_ABI]
2345         (basic_string::swap(basic_string&)): Likewise.
2346         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
2347         Check is_nothrow_move_assignable.
2348         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
2349         Check is_nothrow_move_assignable.
2350         * testsuite/21_strings/basic_string/cons/char/
2351         noexcept_move_construct.cc: Likewise.
2352         * testsuite/21_strings/basic_string/cons/wchar_t/
2353         noexcept_move_construct.cc: Likewise.
2354
2355 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2356
2357         P0646R1 Improving the Return Value of Erase-Like Algorithms I
2358         * include/bits/forward_list.h (__cpp_lib_list_remove_return_type):
2359         Define.
2360         (forward_list::__remove_return_type): Define typedef as size_type or
2361         void, according to __cplusplus value.
2362         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2363         empty, according to __cplusplus value.
2364         (forward_list::remove, forward_list::unique): Use typedef and macro
2365         to change return type and add abi-tag for C++2a.
2366         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
2367         typedef to change return type for C++2a.
2368         * include/bits/forward_list.tcc (_GLIBCXX20_ONLY): Define macro.
2369         (forward_list::remove, forward_list::remove_if<Pred>)
2370         (forward_list::unique<BinPred>): Return number of removed elements
2371         for C++2a.
2372         * include/bits/list.tcc (_GLIBCXX20_ONLY): Define macro.
2373         (list::remove, list::unique, list::remove_if<Predicate>)
2374         (list::unique<BinaryPredicate>): Return number of removed elements
2375         for C++2a.
2376         * include/bits/stl_list.h (__cpp_lib_list_remove_return_type): Define.
2377         (list::__remove_return_type): Define typedef as size_type or
2378         void, according to __cplusplus value.
2379         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2380         empty, according to __cplusplus value.
2381         (list::remove, list::unique): Use typedef and macro to change return
2382         type and add abi-tag for C++2a.
2383         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use
2384         typedef to change return type for C++2a.
2385         * include/std/version (__cpp_lib_list_remove_return_type): Define.
2386         * testsuite/23_containers/forward_list/operations/
2387         remove_cxx20_return.cc: New.
2388         * testsuite/23_containers/forward_list/operations/
2389         unique_cxx20_return.cc: New.
2390
2391         P0458R2 Checking for Existence of an Element in Associative Containers
2392         * include/bits/stl_map.h (map::contains): Add for C++2a.
2393         * include/bits/stl_multimap.h (multimap::contains): Likewise.
2394         * include/bits/stl_multiset.h (multiset::contains): Likewise.
2395         * include/bits/stl_set.h (set::contains): Likewise.
2396         * include/bits/stl_tree.h (__has_is_transparent_t): Define alias.
2397         (_Rb_tree::_M_find_tr, _Rb_tree::_M_count_tr)
2398         (_Rb_tree::_M_lower_bound_tr, _Rb_tree::_M_upper_bound_tr)
2399         (_Rb_tree::_M_equal_range_tr): Use __has_is_transparent_t.
2400         * include/bits/unordered_map.h (unordered_map::contains)
2401         (unordered_multimap::contains): Add for C++2a.
2402         * include/bits/unordered_set.h (unordered_set::contains)
2403         (unordered_multiset::contains): Likewise.
2404         * testsuite/23_containers/map/operations/contains.cc: New.
2405         * testsuite/23_containers/multimap/operations/contains.cc: New.
2406         * testsuite/23_containers/multiset/operations/contains.cc: New.
2407         * testsuite/23_containers/set/operations/contains.cc: New.
2408         * testsuite/23_containers/unordered_map/operations/contains.cc: New.
2409         * testsuite/23_containers/unordered_multimap/operations/contains.cc:
2410         New.
2411         * testsuite/23_containers/unordered_multiset/operations/contains.cc:
2412         New.
2413         * testsuite/23_containers/unordered_set/operations/contains.cc: New.
2414
2415 2018-07-04  François Dumont  <fdumont@gcc.gnu.org>
2416
2417         PR libstdc++/86272
2418         * include/debug/string
2419         (__gnu_debug::basic_string<>::insert<_Ite>(const_iterator, _Ite, _Ite)):
2420         Use __glibcxx_check_insert_range.
2421         * 21_strings/basic_string/cons/char/1.cc: Adapt test to use
2422         __gnu_debug::string when _GLIBCXX_DEBUG.
2423         * 21_strings/basic_string/init-list.cc: Likewise.
2424         * 21_strings/basic_string/modifiers/insert/char/1.cc: Likewise.
2425         * 21_strings/basic_string/modifiers/insert/char/2.cc: Likewise.
2426         * 21_strings/basic_string/modifiers/insert/char/83328.cc: Likewise.
2427         * 21_strings/basic_string/types/1.cc: Likewise.
2428
2429 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2430
2431         * testsuite/25_algorithms/make_heap/complexity.cc: Require effective
2432         target for std::random_device.
2433         * testsuite/26_numerics/random/random_device/cons/default.cc:
2434         Likewise.
2435         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
2436         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2437         * testsuite/experimental/random/randint.cc: Likewise.
2438         * testsuite/lib/libstdc++.exp
2439         (check_effective_target_random_device): New proc.
2440
2441 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2442             Jakub Jelinek  <jakub@redhat.com>
2443
2444         * include/std/bit (__rotl, __rotr): Fix for non-power of two sizes.
2445
2446 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2447
2448         PR libstdc++/86398
2449         * include/std/type_traits (is_trivially_constructible): Check
2450         is_constructible before __is_trivially_constructible.
2451         * testsuite/20_util/is_trivially_constructible/value.cc: Add more
2452         tests, including negative cases.
2453         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Use
2454         zero for dg-error lineno.
2455         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
2456         Likewise.
2457
2458         * include/std/bit (__rotl, __rotr): Avoid branch.
2459         (_If_is_unsigned_integer): Use remove_cv_t.
2460         * testsuite/26_numerics/bit/bitops.count/popcount.cc: New.
2461
2462 2018-07-03  Jonathan Wakely  <jwakely@redhat.com>
2463
2464         P0556R3 Integral power-of-2 operations, P0553R2 Bit operations
2465         * include/Makefile.am: Add new header.
2466         * include/Makefile.in: Regenerate.
2467         * include/precompiled/stdc++.h: Include new header.
2468         * include/std/bit: New header.
2469         (__rotl, __rotr, __countl_zero, __countl_one, __countr_zero)
2470         (__countr_one, __popcount, __ispow2, __ceil2, __floor2, __log2p1):
2471         Define for C++14.
2472         [!__STRICT_ANSI__] (rotl, rotr, countl_zero, countl_one, countr_zero)
2473         (countr_one, popcount): Define for C++2a. Also overload for std::byte.
2474         (ispow2, ceil2, floor2, log2p1): Define for C++2a.
2475         [!__STRICT_ANSI__] (ispow2, ceil2, floor2, log2p1): Overload for
2476         std::byte.
2477         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: New.
2478         * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: New.
2479         * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: New.
2480         * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: New.
2481         * testsuite/26_numerics/bit/bitops.rot/rotl.cc: New.
2482         * testsuite/26_numerics/bit/bitops.rot/rotr.cc: New.
2483         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: New.
2484         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: New.
2485         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: New.
2486         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: New.
2487
2488         * include/bits/alloc_traits.h: Remove redundant preprocessor
2489         condition.
2490
2491 2018-07-03  François Dumont  <fdumont@gcc.gnu.org>
2492
2493         * include/bits/stl_algobase.h (__niter_wrap): New.
2494         (__copy_move_a2(_II, _II, _OI)): Use latter.
2495         (__copy_move_backward_a2(_BI1, _BI1, _BI2)): Likewise.
2496         (fill_n(_OI, _Size, const _Tp&)): Likewise.
2497         (equal(_II1, _II1, _II2)): Use __glibcxx_requires_can_increment.
2498         * include/debug/stl_iterator.h
2499         (std::__niter_base(const __gnu_cxx::_Safe_iterator<
2500         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New declaration.
2501         * include/debug/vector (__niter_base(const __gnu_cxx::_Safe_iterator<
2502         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New.
2503
2504 2018-07-02  Jonathan Wakely  <jwakely@redhat.com>
2505
2506         P0758R1 Implicit conversion traits
2507         * include/std/type_traits [__cplusplus > 201703]
2508         (__is_convertible_helper::__is_nothrow_type): Define new member.
2509         (__is_convertible_helper<_From, _To, false>::__test_aux1): Add
2510         noexcept.
2511         (__is_convertible_helper<_From, _To, false>::__test_nothrow)
2512         (__is_convertible_helper<_From, _To, false>::__is_nothrow_type): Add
2513         new members.
2514         (is_nothrow_convertible, is_nothrow_convertible_v): Define for C++2a.
2515         * testsuite/20_util/is_nothrow_convertible/value.cc: New.
2516         * testsuite/20_util/is_nothrow_convertible/requirements/
2517         explicit_instantiation.cc: New.
2518         * testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc:
2519         New.
2520
2521         P0887R1 The identity metafunction
2522         * include/std/type_traits (type_identity, type_identity_t): Define
2523         for C++2a.
2524         * testsuite/20_util/type_identity/requirements/alias_decl.cc: New.
2525         * testsuite/20_util/type_identity/requirements/
2526         explicit_instantiation.cc:New.
2527         * testsuite/20_util/type_identity/requirements/typedefs.cc: New.
2528
2529         * include/bits/regex.h (sub_match::operator string_type): Call str().
2530         (sub_match::compare): Use _M_str() instead of str().
2531         (sub_match::_M_compare): New public function.
2532         (sub_match::__string_view): New helper type.
2533         (sub_match::_M_str): New overloaded functions to avoid creating a
2534         string_type object when not needed.
2535         (operator==, operator!=, operator<, operator>, operator<=, operator>=):
2536         Use sub_match::_M_compare instead of creating string_type objects.
2537         Fix Doxygen comments.
2538         * include/bits/regex_compiler.h (__has_contiguous_iter): Remove.
2539         (__is_contiguous_normal_iter): Rename to __is_contiguous_iter and
2540         simplify.
2541         (__enable_if_contiguous_iter, __disable_if_contiguous_iter): Use
2542         __enable_if_t.
2543         * include/std/type_traits (__enable_if_t): Define for C++11.
2544         * testsuite/28_regex/sub_match/compare.cc: New.
2545         * testsuite/util/testsuite_iterators.h (remove_cv): Add transformation
2546         trait.
2547         (input_iterator_wrapper): Use remove_cv for value_type argument of
2548         std::iterator base class.
2549
2550 2018-06-29  Jonathan Wakely  <jwakely@redhat.com>
2551
2552         * testsuite/20_util/add_rvalue_reference/requirements/alias_decl.cc:
2553         Add whitespace to dejagnu directive.
2554         * testsuite/23_containers/array/element_access/at_neg.cc: Likewise.
2555
2556 2018-06-27  François Dumont  <fdumont@gcc.gnu.org>
2557
2558         * include/bits/stl_vector.h
2559         (struct _Vector_base<>::_Vector_impl_data): New.
2560         (struct _Vector_base<>::_Vector_impl): Inherit from latter.
2561         (_Vector_base<>::_Vector_impl::_M_swap_data): Move...
2562         (_Vector_base<>::_Vector_impl_data::_M_swap_data): ...here.
2563         (_Vector_base<>::_Vector_impl()): Add noexcept qualification.
2564         (_Vector_base<>::_Vector_impl(_Vector_impl&&)): New.
2565         (_Vector_base<>::_Vector_impl(_Tp_alloc_type&&, _Vector_impl&&)): New.
2566         (_Vector_base(const allocator_type&, _Vector_base&&)): New, use latter.
2567         (_Vector_base()): Default.
2568         (_Vector_base(_Vector_base&&)): Default.
2569         (_Vector_base(size_t)) [_GLIBCXX_INLINE_VERSION]: Delete.
2570         (_Vector_base(_Tp_alloc_type&&)) [_GLIBCXX_INLINE_VERSION]: Delete.
2571         (_Vector_base::_M_create_storage(size_t)): Make protected.
2572         (vector()): Default.
2573         (vector(vector&&)): Default.
2574         (vector(vector&&, const allocator_type&, true_type)): New.
2575         (vector(vector&&, const allocator_type&, false_type)): New.
2576         (vector(vector&&, const allocator_type&)): Use latters.
2577         (vector(_InputIte, _InputIte, const allocator_type&)): Call
2578         _M_range_initialize directly.
2579         * include/debug/vector
2580         (vector(vector&&, const allocator_type&)): Add noexcept qualification.
2581         * testsuite/23_containers/vector/allocator/default_init.cc: New.
2582         * testsuite/23_containers/vector/cons/noexcept_move_construct.cc: Add
2583         static assertions.
2584
2585 2018-06-27  Jonathan Wakely  <jwakely@redhat.com>
2586
2587         * include/bits/cpp_type_traits.h [__cplusplus >= 201703]
2588         (__is_byte<byte>): Define specialization for std::byte.
2589
2590         PR libstdc++/86138
2591         * include/bits/basic_string.tcc: [_GLIBCXX_EXTERN_TEMPLATE < 0]
2592         Declare explicit instantiations of COW empty reps and I/O functions.
2593
2594 2018-06-26  David Edelsohn  <dje.gcc@gmail.com>
2595
2596         * testsuite/experimental/algorithm/sample-2.cc: Add TLS DejaGNU
2597         directives.
2598         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2599
2600 2018-06-26  Jonathan Wakely  <jwakely@redhat.com>
2601
2602         * include/bits/regex.tcc (regex_iterator::operator==): Add missing
2603         noexcept.
2604
2605 2018-06-25  Jonathan Wakely  <jwakely@redhat.com>
2606
2607         PR libstdc++/86112
2608         * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
2609         Replace dict comprehension.
2610
2611         PR libstdc++/81092
2612         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
2613
2614         PR libstdc++/86292
2615         * include/bits/stl_vector.h (vector::_M_range_initialize<InputIter>):
2616         Add try-catch block.
2617         * testsuite/23_containers/vector/cons/86292.cc: New.
2618
2619         * doc/xml/manual/status_cxx2017.xml: Document N4531 status.
2620
2621         * include/experimental/algorithm (sample, shuffle): Add new overloads
2622         using per-thread random number engine.
2623         * testsuite/experimental/algorithm/sample.cc: Simpify and reduce
2624         dependencies by using __gnu_test::test_container.
2625         * testsuite/experimental/algorithm/sample-2.cc: New.
2626         * testsuite/experimental/algorithm/shuffle.cc: New.
2627
2628 2018-06-22  Jonathan Wakely  <jwakely@redhat.com>
2629
2630         * config/abi/pre/gnu.ver: Fix __cxx11::basic_string patterns for
2631         different size_t mangling on 32-bit targets.
2632
2633         PR libstdc++/86280
2634         * include/experimental/memory_resource
2635         (__resource_adaptor_common::_AlignMgr::_M_token_size): Use type large
2636         enough for result of left shift.
2637
2638         PR libstdc++/86138
2639         * include/bits/basic_string.tcc:
2640         [__cplusplus > 201402 && !_GLIBCXX_USE_CXX11_ABI]
2641         (basic_string<char>::_Rep::_S_empty_rep_storage)
2642         (basic_string<wchar_t>::_Rep::_S_empty_rep_storage): Add explicit
2643         instantiation declarations.
2644         [__cplusplus > 201402] (operator>>, operator<<, getline): Re-enable
2645         explicit instantiation declarations.
2646         * testsuite/21_strings/basic_string/cons/char/86138.cc: New.
2647         * testsuite/21_strings/basic_string/cons/wchar_t/86138.cc: New.
2648
2649 2018-06-21  Jonathan Wakely  <jwakely@redhat.com>
2650
2651         PR libstdc++/83328
2652         * acinclude.m4 (libtool_VERSION): Bump to 6:26:0.
2653         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 and export new symbol.
2654         * configure: Regenerate.
2655         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
2656         (basic_string::insert(const_iterator, initializer_list<C>)): Add.
2657         [_GLIBCXX_USE_CXX11_ABI && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
2658         (basic_string::insert(iterator, initializer_list<C>)): Suppress
2659         definition.
2660         * include/debug/string (basic_string::insert(iterator, C)): Change
2661         first parameter to const_iterator.
2662         (basic_string::insert(iterator, size_type, C)): Likewise. Change
2663         return type to iterator.
2664         (basic_string::insert(iterator, InputIterator, InputIterator)):
2665         Likewise.
2666         (basic_string::insert(iterator, initializer_list<C>)): Change first
2667         parameter to const_iterator and return type to iterator.
2668         * src/c++11/string-inst.cc: Extend comment.
2669         * testsuite/21_strings/basic_string/modifiers/insert/char/83328.cc:
2670         New.
2671         * testsuite/21_strings/basic_string/modifiers/insert/wchar_t/83328.cc:
2672         New.
2673         * testsuite/util/testsuite_abi.cc: Add new symbol version.
2674
2675         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2676
2677         PR libstdc++/70940
2678         * include/experimental/memory_resource
2679         (__resource_adaptor_imp::do_deallocate): Add missing return.
2680         * testsuite/experimental/memory_resource/new_delete_resource.cc: New.
2681         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
2682         resource_adaptor with std::allocator, __gnu_cxx::new_allocator and
2683         __gnu_cxx::malloc_allocator.
2684
2685         PR libstdc++/70940
2686         * include/experimental/memory_resource (__resource_adaptor_common):
2687         New base class.
2688         (__resource_adaptor_common::_AlignMgr): Helper for obtaining aligned
2689         pointer from unaligned, and vice versa.
2690         (__resource_adaptor_imp::do_allocate): Use _AlignMgr to adjust
2691         allocated pointer to meet alignment request.
2692         (__resource_adaptor_imp::do_deallocate): Use _AlignMgr to retrieve
2693         original pointer for deallocation.
2694         (__resource_adaptor_imp::do_is_equal): Reformat.
2695         (__resource_adaptor_imp::_S_aligned_size): Remove.
2696         (__resource_adaptor_imp::_S_supported): Remove.
2697         (new_delete_resource): Use __gnu_cxx::new_allocator.
2698         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
2699         extended alignments and use debug_allocator to check for matching
2700         allocate/deallocate pairs.
2701
2702 2018-06-21  François Dumont  <fdumont@gcc.gnu.org>
2703
2704         * include/debug/safe_iterator.h
2705         (_Safe_iterator<>(const _Safe_iterator<_MutableIterator,>& __x)):
2706         Compare __x base iterator with a value-initialized iterator of the
2707         same type.
2708
2709 2018-06-20  Jonathan Wakely  <jwakely@redhat.com>
2710
2711         PR libstdc++/70966
2712         * include/experimental/memory_resource (__resource_adaptor_imp): Add
2713         static assertions to enforce requirements on pointer types.
2714         (__resource_adaptor_imp::get_allocator()): Add noexcept.
2715         (new_delete_resource, null_memory_resource): Return address of an
2716         object with dynamic storage duration.
2717         (__null_memory_resource): Remove.
2718         * testsuite/experimental/memory_resource/70966.cc: New.
2719
2720         * testsuite/20_util/duration/arithmetic/dr3050.cc: Add new test
2721         missed from recent commit.
2722
2723 2018-06-19  Jonathan Wakely  <jwakely@redhat.com>
2724
2725         * include/std/utility: Remove unused <exception> header.
2726
2727 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
2728
2729         LWG 2975 ensure construct(pair<T,U>*, ...) used to construct pairs
2730         * include/std/scoped_allocator (__not_pair): Define SFINAE helper.
2731         (construct(_Tp*, _Args&&...)): Remove from overload set when _Tp is
2732         a specialization of std::pair.
2733         * testsuite/20_util/scoped_allocator/construct_pair.cc: Ensure
2734         pair elements are constructed correctly.
2735
2736         LWG 2989 hide path iostream operators from normal lookup
2737         * include/bits/fs_path.h (operator<<, operator>>): Define inline as
2738         friends.
2739         * testsuite/27_io/filesystem/path/io/dr2989.cc: New.
2740
2741         LWG 3050 Fix cv-qualification of convertibility constraints
2742         * include/std/chrono (duration, operator*, operator/, operator%): Use
2743         const-qualified type as source type in is_convertible constraints.
2744         * testsuite/20_util/duration/arithmetic/dr3050.cc: New.
2745         * testsuite/20_util/duration/cons/dr3050.cc: New.
2746         * testsuite/20_util/duration/literals/range.cc: Rename to...
2747         * testsuite/20_util/duration/literals/range_neg.cc: Here. Adjust
2748         dg-error lineno.
2749
2750 2018-06-18  Maya Rashish  <coypu@sdf.org>
2751
2752         * crossconfig.m4: Handle OpenBSD just like NetBSD.
2753         * configure: Rebuilt.
2754
2755 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
2756
2757         P0754R2 <version> header
2758         * include/Makefile.am: Add new header.
2759         * include/Makefile.in: Regenerate.
2760         * include/bits/c++config: Change doxygen comment to suggest <version>
2761         instead of <iosfwd>.
2762         * include/precompiled/stdc++.h: Include <cwchar> and <cwctype>
2763         unconditionally.  Add C++17 and C++20 headers.
2764         * include/std/version: New header.
2765         * testsuite/17_intro/headers/c++2017/all_attributes.cc: New.
2766         * testsuite/17_intro/headers/c++2017/all_no_exceptions.cc: New.
2767         * testsuite/17_intro/headers/c++2017/all_no_rtti.cc: New.
2768         * testsuite/17_intro/headers/c++2017/all_pedantic_errors.cc: New.
2769         * testsuite/17_intro/headers/c++2017/operator_names.cc: New.
2770         * testsuite/17_intro/headers/c++2017/stdc++.cc: New.
2771         * testsuite/17_intro/headers/c++2017/stdc++_multiple_inclusion.cc:
2772         New.
2773         * testsuite/17_intro/headers/c++2020/all_attributes.cc: New.
2774         * testsuite/17_intro/headers/c++2020/all_no_exceptions.cc: New.
2775         * testsuite/17_intro/headers/c++2020/all_no_rtti.cc: New.
2776         * testsuite/17_intro/headers/c++2020/all_pedantic_errors.cc: New.
2777         * testsuite/17_intro/headers/c++2020/operator_names.cc: New.
2778         * testsuite/17_intro/headers/c++2020/stdc++.cc: New.
2779         * testsuite/17_intro/headers/c++2020/stdc++_multiple_inclusion.cc:
2780         New.
2781         * testsuite/18_support/headers/version/macros.cc: New.
2782         * testsuite/18_support/headers/version/macros.cc: New.
2783
2784         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Only check when
2785         enable_libstdcxx_filesystem_ts = yes. Check for link, readlink and
2786         symlink.
2787         * config.h.in: Regenerate.
2788         * configure: Regenerate.
2789         * configure.ac: Remove AC_CHECK_FUNCS for link, readlink and symlink.
2790
2791         LWG 3035. std::allocator's constructors should be constexpr
2792         * include/bits/allocator.h (allocator): Add constexpr to constructors
2793         for C++2a. Replace dynamic exception specifications with NOTHROW
2794         macro.
2795         (allocator, operator==, operator!=): Replace USE_NOEXCEPT macro with
2796         NOTHROW.
2797         * include/bits/c++config (_GLIBCXX20_CONSTEXPR): Define.
2798         * include/ext/malloc_allocator.h (malloc_allocator): Add constexpr
2799         to constructors for C++2a.
2800         * include/ext/new_allocator.h (new_allocator): Likewise.
2801
2802 2018-06-16  Jonathan Wakely  <jwakely@redhat.com>
2803
2804         LWG 3076 basic_string CTAD ambiguity
2805         * doc/xml/manual/intro.xml: Document LWG 3076 change.
2806         * include/bits/basic_string.h
2807         [__cpp_deduction_guides && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
2808         (basic_string(const _CharT*, const _Alloc&)): Turn into a function
2809         template constrained by _RequireAllocator.
2810         (basic_string(size_type, _CharT, const _Alloc&)): Likewise.
2811         * src/c++11/string-inst.cc (_GLIBCXX_DEFINING_STRING_INSTANTIATIONS):
2812         Define.
2813         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2814         deduction
2815         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2816         Likewise.
2817
2818 2018-06-15  Jonathan Wakely  <jwakely@redhat.com>
2819
2820         PR libstdc++/86169
2821         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2822         (basic_string::data()): Unshare string.
2823         * testsuite/21_strings/basic_string/operations/data/char/86169.cc:
2824         New.
2825
2826         * include/std/string_view (basic_string_view(const CharT*)): Remove
2827         check for null pointer and add nonnull attribute.
2828         (compare(const CharT*), compare(size_type, size_type, const CharT*))
2829         (find(const CharT*, size_type), rfind(const CharT*, size_type))
2830         (find_first_of(const CharT*, size_type))
2831         (find_last_of(const CharT*, size_type))
2832         (find_first_not_of(const CharT*, size_type))
2833         (find_last_not_of(const CharT*, size_type)): Add nonnull attribute.
2834         * testsuite/21_strings/basic_string_view/cons/char/nonnull.cc: New.
2835         * testsuite/21_strings/basic_string_view/operations/compare/char/
2836         nonnull.cc: New.
2837         * testsuite/21_strings/basic_string_view/operations/find/char/
2838         nonnull.cc: New.
2839         * testsuite/21_strings/basic_string_view/operations/rfind/char/
2840         nonnull.cc: New.
2841
2842         PR libstdc++/86168
2843         * include/bits/random.h (random_device(const string&)): Remove
2844         default argument.
2845
2846         * include/bits/char_traits.h (__cpp_lib_constexpr_char_traits): Only
2847         define for C++17 and above.
2848
2849         LWG 2993 reference_wrapper<T> conversion from T&&
2850         * doc/xml/manual/intro.xml: Document LWG 2993 change.
2851         * include/bits/refwrap.h (reference_wrapper(_Tp&)): Remove.
2852         (reference_wrapper(_Tp&&)): Remove.
2853         (reference_wrapper<_Up>(_Up&&)): Define new constructor as constrained
2854         template.
2855         (reference_wrapper): Add deduction guide.
2856         * testsuite/20_util/reference_wrapper/deduction.cc: New.
2857         * testsuite/20_util/reference_wrapper/lwg2993.cc: New.
2858
2859         LWG 3039 Unnecessary decay in thread and packaged_task
2860         * include/std/future (__constrain_pkgdtask): Replace with ...
2861         (packaged_task::__not_same): New alias template, using
2862         __remove_cvref_t instead of decay.
2863         * include/std/thread (thread::__not_same): Add comment.
2864
2865 2018-06-14  Jonathan Wakely  <jwakely@redhat.com>
2866
2867         LWG 3075 basic_string needs deduction guides from basic_string_view
2868         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2869         deduction from string views.
2870         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2871         Likewise.
2872
2873         LWG 3074 make scalar types non-deduced in valarray non-member functions
2874         * include/bits/valarray_after.h (_DEFINE_EXPR_BINARY_FUNCTION): Change
2875         scalar parameters to be a non-deduced context.
2876         * include/std/valarray (_DEFINE_BINARY_OPERATOR): Likewise. Adjust
2877         whitespace.
2878         * testsuite/26_numerics/valarray/operators.cc: Test scalar operands.
2879         * testsuite/26_numerics/valarray/transcend.cc: New.
2880
2881         * include/std/tuple (__cpp_lib_tuple_element_t, tuple_element_t):
2882         Move back to <utility>.
2883         * include/std/utility (__cpp_lib_tuple_element_t. tuple_element_t):
2884         Restore to here.
2885
2886         P0935R0 Eradicating unnecessarily explicit default constructors
2887         * include/backward/strstream (strstreambuf): Add non-explicit default
2888         constructor.
2889         * include/bits/locale_conv.h (wbuffer_convert, wstring_convert):
2890         Likewise.
2891         * include/bits/regex.h (match_results): Likewise.
2892         * testsuite/22_locale/conversions/buffer/1.cc: Test for non-explicit
2893         default constructor.
2894         * testsuite/22_locale/conversions/string/1.cc: Likewise.
2895         * testsuite/28_regex/match_results/ctors/char/default.cc: Likewise.
2896         * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.
2897
2898         * include/std/tuple (__cpp_lib_tuple_element_t): Move feature test
2899         macro from <utility> and change type to long.
2900         * include/std/utility (__cpp_lib_tuple_element_t): Remove.
2901         * testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test
2902         macro.
2903
2904         P0935R0 Eradicating unnecessarily explicit default constructors
2905         * include/bits/random.h (uniform_real_distribution::param_type)
2906         (normal_distribution::param_type, lognormal_distribution::param_type)
2907         (gamma_distribution::param_type, chi_squared_distribution::param_type)
2908         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
2909         (student_t_distribution::param_type)
2910         (bernoulli_distribution::param_type)
2911         (binomial_distribution::param_type)
2912         (geometric_distribution::param_type)
2913         (negative_binomial_distribution::param_type)
2914         (poisson_distribution::param_type)
2915         (exponential_distribution::param_type)
2916         (weibull_distribution::param_type)
2917         (extreme_value_distribution::param_type): Add non-explicit default
2918         constructors. Remove default argument for first parameter of explicit
2919         constructors.
2920         * include/bits/uniform_int_dist.h
2921         (uniform_int_distribution::param_type): Likewise.
2922         * include/ext/random
2923         (beta_distribution::param_type, rice_distribution::param_type)
2924         (nakagami_distribution::param_type, pareto_distribution::param_type)
2925         (k_distribution::param_type, arcsine_distribution::param_type)
2926         (hoyt_distribution::param_type, triangular_distribution::param_type)
2927         (von_mises_distribution::param_type)
2928         (hypergeometric_distribution::param_type)
2929         (logistic_distribution::param_type)
2930         (uniform_inside_sphere_distribution::param_type): Likewise.
2931         (uniform_on_sphere_distribution::param_type): Make default constructor
2932         non-explicit.
2933         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
2934         Test param_type for non-explicit default constructor.
2935         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
2936         Likewise.
2937         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
2938         Likewise.
2939         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
2940         Likewise.
2941         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
2942         Likewise.
2943         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
2944         Likewise.
2945         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
2946         Likewise.
2947         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
2948         Likewise.
2949         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
2950         Likewise.
2951         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
2952         Likewise.
2953         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
2954         Likewise.
2955         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
2956         Likewise.
2957         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
2958         Likewise.
2959         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
2960         Likewise.
2961         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
2962         Likewise.
2963         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
2964         Likewise.
2965         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
2966         Likewise.
2967         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
2968         Likewise.
2969         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
2970         Likewise.
2971         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
2972         Likewise.
2973         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
2974         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
2975         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
2976         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
2977         Likewise.
2978         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
2979         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
2980         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
2981         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
2982         Likewise.
2983         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
2984         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
2985         * testsuite/ext/random/triangular_distribution/cons/default.cc:
2986         Likewise.
2987         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
2988         Likewise.
2989         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
2990         Likewise.
2991         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
2992         Likewise.
2993
2994 2018-06-14  Daniel Trebbien <dtrebbien@gmail.com>
2995             Jonathan Wakely  <jwakely@redhat.com>
2996
2997         PR libstdc++/83982
2998         * include/bits/vector.tcc (vector::_M_default_append(size_type)):
2999         Default-construct new elements before moving existing ones.
3000         * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
3001         New.
3002
3003 2018-06-13  Jonathan Wakely  <jwakely@redhat.com>
3004
3005         PR libstdc++/86127
3006         * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove
3007         unused typedef.
3008         (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after):
3009         Use node allocator to create and destroy elements.
3010         (forward_list::_Tp_alloc_type): Remove unused typedef.
3011         (forward_list::_Alloc_traits): Use allocator_traits instead of
3012         __gnu_cxx::__alloc_traits.
3013
3014 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
3015
3016         * include/debug/helper_functions.h
3017         (__gnu_debug::_Safe_iterator<>): Add declaration.
3018         (__can_advance(_Ite, _Size)): New.
3019         (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration.
3020         * include/debug/functions.h
3021         (__gnu_debug::_Safe_iterator<>): Remove declaration.
3022         * include/debug/stl_iterator.h
3023         (__can_advance(const _Safe_iterator<>&)): New definition.
3024         * include/debug/stl_iterator.h
3025         (__can_advance(const std::reverse_iterator<>&, _Size)): New.
3026         (__can_advance(const std::move_iterator<>&, _Size)): New.
3027         * include/debug/macros.h (__glibcxx_check_can_increment): New.
3028         * include/debug/debug.h (__glibcxx_requires_can_increment): New.
3029         * include/bits/stl_algobase.h (fill_n): Use latter.
3030         * testsuite/25_algorithms/fill_n/2.cc: New.
3031         * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New.
3032         * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New.
3033         * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New.
3034         * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New.
3035
3036         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
3037         (__glibcxx_requires_can_decrement_range): New.
3038
3039 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
3040
3041         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
3042         (__glibcxx_check_can_decrement_range): New.
3043         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
3044         __glibcxx_requires_can_increment_range.
3045         (std::move(_II, _II, _OI)): Likewise.
3046         (std::copy_backward(_BI, _BI, _BI2)): Use
3047         __glibcxx_requires_can_decrement_range.
3048         (std::move_backward(_BI, _BI, _BI2)): Likewise.
3049         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
3050         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
3051         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
3052         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
3053         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
3054         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
3055
3056 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
3057
3058         P0935R0 Eradicating unnecessarily explicit default constructors
3059         * include/bits/random.h (linear_congruential_engine)
3060         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
3061         (uniform_real_distribution, normal_distribution)
3062         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
3063         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
3064         (bernoulli_distribution, binomial_distribution,geometric_distribution)
3065         (negative_binomial_distribution, exponential_distribution)
3066         (weibull_distribution, extreme_value_distribution): Add non-explicit
3067         default constructors. Remove default argument for first parameter of
3068         explicit constructors.
3069         (piecewise_constant_distribution, piecewise_linear_distribution):
3070         Make default constructor non-explicit.
3071         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
3072         non-explicit default constructors. Remove default argument for first
3073         parameter of explicit constructor.
3074         * include/ext/random
3075         (simd_fast_mersenne_twister_engine, beta_distribution)
3076         (rice_distribution, nakagami_distribution, pareto_distribution)
3077         (k_distribution, arcsine_distribution, hoyt_distribution)
3078         (triangular_distribution, von_mises_distribution)
3079         (hypergeometric_distribution, logistic_distribution)
3080         (uniform_inside_sphere_distribution): Likewise.
3081         (uniform_on_sphere_distribution): Make default constructor
3082         non-explicit.
3083         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
3084         Test for non-explicit default constructor. Fix references to standard.
3085         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
3086         Likewise.
3087         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
3088         Likewise.
3089         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
3090         Likewise.
3091         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
3092         Likewise.
3093         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
3094         Likewise.
3095         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
3096         Likewise.
3097         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
3098         Likewise.
3099         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
3100         Likewise.
3101         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
3102         Likewise.
3103         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
3104         Likewise.
3105         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
3106         Likewise.
3107         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
3108         Likewise.
3109         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
3110         Likewise.
3111         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
3112         Likewise.
3113         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
3114         Likewise.
3115         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
3116         Likewise.
3117         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
3118         Likewise.
3119         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
3120         Likewise.
3121         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
3122         Likewise.
3123         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
3124         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
3125         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
3126         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
3127         Likewise.
3128         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
3129         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
3130         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
3131         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
3132         Likewise.
3133         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
3134         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
3135         * testsuite/ext/random/triangular_distribution/cons/default.cc:
3136         Likewise.
3137         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
3138         Likewise.
3139         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
3140         Likewise.
3141         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
3142         Likewise.
3143         * testsuite/util/testsuite_common_types.h
3144         (implicitly_default_constructible): New helper.
3145
3146 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
3147
3148         * include/bits/ios_base.h (ios::Init::Init(const Init&))
3149         (ios::Init::operator=): Define as defaulted.
3150         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
3151         Likewise.
3152         * include/bits/stream_iterator.h (istream_iterator::operator=)
3153         (ostream_iterator::operator=): Likewise.
3154         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
3155         Likewise.
3156         * include/std/bitset (bitset::reference::reference(const reference&)):
3157         Likewise.
3158         * include/std/complex (complex<float>::complex(const complex&))
3159         (complex<double>::complex(const complex&))
3160         (complex<long double>::complex(const complex&)): Likewise.
3161
3162 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
3163
3164         * include/bits/regex.h (sub_match): Add noexcept to default
3165         constructor and length observer.
3166         (match_results): Add noexcept to default constructor and observers
3167         with no preconditions. Define destructor as defaulted.
3168         (operator==, operator!=, swap): Add noexcept.
3169         (regex_iterator): Add default member initializers and define default
3170         constructor and destructor as defaulted. Add noexcept to equality
3171         and dereference operators.
3172
3173 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
3174
3175         * src/c++11/debug.cc
3176         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
3177         (_Safe_iterator_base::_M_detach_single()): Likewise.
3178         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
3179         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
3180
3181 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
3182
3183         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
3184         move of const value.
3185
3186 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
3187
3188         PR c++/86068
3189         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
3190         rather than __cpp_transactional_memory >= 201505L.
3191
3192 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
3193
3194         PR libstdc++/86008
3195         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
3196         Define new partial specialization.
3197         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
3198         new overload.
3199         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
3200         value not reference for iteration.
3201         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
3202         comment.
3203         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
3204         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
3205         comment.
3206
3207 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
3208
3209         * include/std/type_traits: Fix comment typos.
3210
3211         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
3212         mingw* targets.
3213         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
3214         * testsuite/experimental/filesystem/operations/read_symlink.cc:
3215         Likewise.
3216
3217 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
3218
3219         * include/bits/stl_tempbuf.h
3220         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
3221         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
3222         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
3223         * include/bits/stl_algo.h (__stable_partition): Adapt.
3224         (__inplace_merge): Adapt.
3225         (__stable_sort): Adapt.
3226
3227 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
3228
3229         PR libstdc++/85930
3230         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
3231         unconditionally. Remove redundant declaration.
3232         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
3233         alignment-specifier.
3234
3235         * include/bits/postypes.h (fpos): Define special members as defaulted.
3236
3237         PR libstdc++/85930
3238         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
3239         the static variable correctly.
3240
3241 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
3242
3243         PR libstdc++/78870 support std::filesystem on Windows
3244         * config.h.in: Regenerate.
3245         * configure: Regenerate.
3246         * configure.ac: Check for link, readlink and symlink.
3247         * include/bits/fs_path.h (path::operator/=(const path&)): Move
3248         definition out of class body.
3249         (path::is_absolute(), path::_M_append(path)): Likewise.
3250         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
3251         (operator>>(basic_istream, path&)): Likewise.
3252         (u8path): Reorder definitions and fix Windows implementation.
3253         (path::is_absolute()): Define inline and fix for Windows.
3254         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
3255         Define POSIX version inline.
3256         (path::_M_append(path)): Define inline.
3257         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
3258         definition out of class body.
3259         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
3260         escape characters.
3261         (operator>>(basic_istream, path&)): Likewise.
3262         (path::is_absolute()): Define inline and fix for Windows.
3263         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
3264         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
3265         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
3266         Define as adaptors for Windows functions/types or as
3267         using-declarations for POSIX functions/types.
3268         (_Dir_base, get_file_type): Qualify names to use declarations from
3269         __gnu_posix namespace.
3270         (_Dir_base::is_dor_or_dotdot): New helper functions.
3271         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
3272         names to use declarations from __gnu_posix namespace.
3273         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
3274         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
3275         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
3276         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
3277         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
3278         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
3279         Define as adaptors for Windows functions/types or as
3280         using-declarations for POSIX functions/types.
3281         (stat_type, do_copy_file): Qualify names to use declarations from
3282         __gnu_posix namespace.
3283         (do_space): Declare new function.
3284         (make_file_type): Only use S_ISLNK if defined.
3285         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
3286         path::value_type not char.
3287         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
3288         names to use declarations from __gnu_posix namespace.
3289         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
3290         add implementation for Windows.
3291         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
3292         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
3293         [!_PC_PATH_MAX]: Don't use pathconf.
3294         [PATH_MAX]: Use if defined.
3295         (filesystem::current_path(const path&, error_code&))
3296         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
3297         (filesystem::last_write_time, filesystem::permissions): Use names
3298         from __gnu_posix.
3299         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
3300         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
3301         implementation for Windows.
3302         (filesystem::rename, filesystem::resize_file): Use names from
3303         __gnu_posix.
3304         (filesystem::space): Use do_space.
3305         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
3306         (filesystem::status, filesystem::symlink_status): Use names from
3307         __gnu_posix.
3308         (filesystem::temp_directory_path): Add implementation for Windows.
3309         * src/filesystem/path.cc (dot): Define constant.
3310         (path::replace_extension): Use dot.
3311         (path::_M_find_extension): Likewise. Use path::string_type not
3312         std::string.
3313         (path::_M_split_cmpts): Use dot.
3314         (filesystem_error::_M_get_what): Use u8string() not native().
3315         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
3316         Qualify names to use declarations from __gnu_posix namespace.
3317         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
3318         correct error_code.
3319         (filesystem::absolute(const path&, error_code&)): Add implementation
3320         for Windows.
3321         (char_ptr, filesystem::canonical): Use path::value_type not char.
3322         (do_copy_file): Use names from __gnu_posix.
3323         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
3324         sendfile.
3325         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
3326         names to use declarations from __gnu_posix namespace.
3327         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
3328         add implementation for Windows.
3329         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
3330         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
3331         [!_PC_PATH_MAX]: Don't use pathconf.
3332         [PATH_MAX]: Use if defined.
3333         (filesystem::current_path(const path&, error_code&))
3334         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
3335         (filesystem::last_write_time, filesystem::permissions): Use names
3336         from __gnu_posix.
3337         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
3338         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
3339         implementation for Windows.
3340         (filesystem::rename, filesystem::resize_file): Use names from
3341         __gnu_posix.
3342         (do_space): Define.
3343         (filesystem::space): Use do_space.
3344         (filesystem::status, filesystem::symlink_status): Use names from
3345         __gnu_posix.
3346         (filesystem::temp_directory_path): Add implementation for Windows.
3347         * src/filesystem/std-path.cc
3348         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
3349         Define for Windows.
3350         (dot): Define constant.
3351         (path::replace_extension, is_dot): Use dot.
3352         (path::lexically_normal): Check _M_type instead of calling
3353         non-existent function.
3354         (path::_M_find_extension): Use dot. Use path::string_type not
3355         std::string.
3356         (path::_M_split_cmpts): Use dot.
3357         (filesystem_error::_M_get_what): Use u8string() not native().
3358         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
3359         use symlinks.
3360         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
3361         Likewise.
3362         * testsuite/27_io/filesystem/operations/absolute.cc: Use
3363         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
3364         * testsuite/27_io/filesystem/operations/canonical.cc: Use
3365         path::string() to get narrow string, not path::native().
3366         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
3367         with std::filesystem::path not std::basic_string.
3368         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
3369         * testsuite/27_io/filesystem/operations/exists.cc: Use
3370         __gnu_test::root_path() instead of "/".
3371         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
3372         fstreams with std::filesystem::path not std::basic_string.
3373         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
3374         path::string() to get narrow string.
3375         * testsuite/27_io/filesystem/operations/space.cc: Check results for
3376         errors, expect sensible values otherwise.
3377         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
3378         helpers for adjusting the environment on Windows.
3379         * testsuite/27_io/filesystem/path/append/path.cc: Test
3380         Windows-specific behaviour.
3381         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
3382         of path::string_type objects.
3383         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
3384         string to wide string on Windows.
3385         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
3386         for backslash as root-directory.
3387         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
3388         path::string() to get narrow string.
3389         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
3390         paths.
3391         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
3392         not std::string.
3393         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
3394         different definintion of absolute paths on Windows.
3395         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3396         Do not use symlinks.
3397         * testsuite/experimental/filesystem/operations/absolute.cc: Test
3398         Windows behaviour.
3399         * testsuite/experimental/filesystem/operations/copy.cc: Construct
3400         fstreams with NTCTS not std::basic_string.
3401         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
3402         * testsuite/experimental/filesystem/operations/exists.cc: Use
3403         __gnu_test::root_path() instead of "/".
3404         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
3405         fstreams with NTCTS not std::basic_string.
3406         * testsuite/experimental/filesystem/operations/last_write_time.cc:
3407         Use path::string() to get narrow string.
3408         * testsuite/experimental/filesystem/operations/space.cc: Use
3409         __gnu_test::root_path() instead of "/".
3410         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
3411         Add helpers for adjusting the environment on Windows.
3412         * testsuite/experimental/filesystem/path/append/path.cc: Use
3413         path::string() to get narrow strings for comparisons.
3414         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
3415         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
3416         Likewise.
3417         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
3418         * testsuite/experimental/filesystem/path/native/string.cc: Use
3419         string_type not std::string.
3420         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
3421         Adjust for different definintion of absolute paths on Windows.
3422         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
3423         function.
3424         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
3425         std::basic_string.
3426
3427 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
3428
3429         PR libstdc++/85951
3430         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
3431         uint_least16_t and uint_least32_t.
3432         (__make_unsigned<wchar_t>): Define unconditionally.
3433         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
3434         typedefs.
3435         (__make_unsigned_selector_base): New type to provide helper templates.
3436         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
3437         __make_unsigned_selector_base helpers.
3438         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
3439         (__make_signed_selector<_Tp, true, false>): Remove intermediate
3440         typedefs.
3441         (__make_signed<wchar_t>, __make_signed<char16_t>)
3442         (__make_signed<char32_t>)): Define unconditionally.
3443         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
3444         wchar_t, char16_t and char32_t are transformed correctly.
3445         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
3446         dg-error lineno.
3447         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
3448         wchar_t, char16_t and char32_t are transformed correctly.
3449         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
3450         dg-error lineno.
3451
3452 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
3453
3454         * include/std/variant (__erased_dtor): Qualify call to __get.
3455
3456 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
3457
3458         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
3459         (_Rb_tree(const allocator_type&)): Use latter.
3460         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
3461         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
3462         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
3463         * include/bits/stl_multimap.h
3464         (multimap(const allocator_type&)): Likewise.
3465         (multimap(initializer_list<value_type>, const allocator_type&)):
3466         Likewise.
3467         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
3468         Likewise.
3469         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
3470         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
3471         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
3472         * include/bits/stl_multiset.h
3473         (multiset(const allocator_type&)): Likewise.
3474         (multiset(initializer_list<value_type>, const allocator_type&)):
3475         Likewise.
3476         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
3477         Likewise.
3478
3479 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
3480
3481         PR libstdc++/85768
3482         * src/c++11/debug.cc: Remove backtrace usage.
3483
3484 2018-05-24  Maya Rashish  <coypu@sdf.org>
3485
3486         PR target/85904
3487         * crossconfig.m4: Test for aligned_alloc on netbsd.
3488         * configure: Regenerate.
3489
3490 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
3491
3492         PR libstdc++/69769
3493         PR libstdc++/85886
3494         * include/bits/atomic_base.h (__atomic_base::value_type)
3495         (__atomic_base::difference_type): Add new typedefs.
3496         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
3497         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
3498         (atomic<T*>::operator++, atomic<T*>::operator--)
3499         (atomic<T*>::operator+=, atomic<T*>::operator-=)
3500         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
3501         to enforce C++17 requirement on pointer arithmetic.
3502         (__atomic_val_t, __atomic_diff_t): New alias templates.
3503         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
3504         (atomic_compare_exchange_weak_explicit)
3505         (atomic_compare_exchange_strong_explicit, atomic_store)
3506         (atomic_exchange, atomic_compare_exchange_weak)
3507         (atomic_compare_exchange_strong): Use __atomic_val_t to make
3508         scalar parameters be non-deduced contexts.
3509         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
3510         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
3511         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
3512         parameters.
3513         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
3514         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
3515         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
3516         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
3517         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
3518         address types.
3519         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
3520         * testsuite/29_atomics/atomic/69769.cc: New test.
3521         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
3522         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
3523         Disable test for C++17 and later.
3524         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
3525         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
3526         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
3527         test.
3528
3529 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
3530
3531         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
3532         template to alias template.
3533         (path::__value_type_is_char): Use remove_const_t.
3534         (path:_S_string_from_iter): New helper function.
3535         (path::_S_convert(InputIter, __null_terminated))
3536         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
3537         Use _S_string_from_iter.
3538         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
3539         rep for COW strings.
3540         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
3541         Change from class template to alias template.
3542         (path::__value_type_is_char): Use remove_const.
3543         (path:_S_string_from_iter): New helper function.
3544         (path::_S_convert(InputIter, __null_terminated))
3545         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
3546         Use _S_string_from_iter.
3547         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
3548         wide strings.
3549         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
3550         string equality, not path equivalence.
3551         * testsuite/27_io/filesystem/path/construct/format.cc: Check
3552         construction from std::string and std::wstring and input iterators.
3553         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
3554         construction from iterators.
3555         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
3556         exact string equality, not path equivalence.
3557         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
3558         construction from iterators.
3559
3560         * include/bits/fs_path.h (path::_M_type): Change default member
3561         initializer to _Filename.
3562         (path::begin): Create past-the-end iterator for empty path.
3563         * src/filesystem/std-path.cc (path::remove_filename()): Remove
3564         debugging check.
3565         (path::has_relative_path()): Return false for empty filenames.
3566         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
3567         Fix offset of empty final component.
3568         * testsuite/27_io/filesystem/path/itr/components.cc: New.
3569         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
3570
3571 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
3572
3573         Add support for opening file streams from wide character strings.
3574         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
3575         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
3576         Define new overload.
3577         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
3578         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
3579         Declare new overload.
3580         * configure.ac: Check for _wfopen.
3581         * crossconfig.m4: Likewise.
3582         * configure: Regenerate.
3583         * config.h.in: Regenerate.
3584         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
3585         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
3586         Define new overload.
3587         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
3588         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
3589         Declare new overload.
3590         [_GLIBCXX_HAVE__WFOPEN]
3591         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3592         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
3593         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3594         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
3595         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3596         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
3597         new overloads.
3598         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
3599         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
3600         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
3601         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
3602         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
3603         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
3604         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
3605
3606 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
3607
3608         PR libstdc++/85845
3609         * include/bits/stl_tree.h
3610         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
3611         qualification.
3612
3613 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
3614
3615         * src/filesystem/std-ops.cc (absolute): Report an error for empty
3616         paths.
3617         (weakly_canonical(const path&)): Do not call canonical on empty path.
3618         (weakly_canonical(const path&, error_code&)): Likewise.
3619         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
3620
3621         PR libstdc++/85818
3622         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
3623         dg-require-filesystem-ts.
3624
3625         PR libstdc++/85843
3626         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
3627         initialize base class to avoid warnings.
3628
3629 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
3630
3631         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
3632         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
3633         little_endian element in bitmask.
3634         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
3635         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
3636
3637 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
3638
3639         * include/bits/stl_tree.h
3640         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
3641         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
3642         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
3643         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
3644         * include/debug/map.h
3645         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
3646         * include/debug/multimap.h
3647         (multimap(multimap&&, const_allocator_type&)): Likewise.
3648         * include/debug/set.h
3649         (set(set&&, const_allocator_type&)): Likewise.
3650         * include/debug/multiset.h
3651         (multiset(multiset&&, const_allocator_type&)): Likewise.
3652         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
3653         Add checks.
3654         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
3655         Add checks.
3656         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
3657         Add checks.
3658         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
3659         Add checks.
3660         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
3661         Add checks.
3662         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
3663         Add checks.
3664         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
3665         Add checks.
3666         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
3667         Add checks.
3668
3669 2018-05-18  Jason Merrill  <jason@redhat.com>
3670
3671         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
3672         for conversion to const_iterator.  Add defaulted copy ops.
3673         * libsupc++/new (bad_alloc): Add defaulted copy ops.
3674         * libsupc++/exception.h (exception): Add defaulted copy ops.
3675         * include/std/system_error (system_error): Add defaulted copy ops.
3676         * include/std/stdexcept (domain_error, invalid_argument)
3677         (length_error, out_of_range, range_error, overflow_error)
3678         (underflow_error): Add defaulted copy ops.
3679         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
3680         copy assignment.
3681         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
3682         * include/ext/throw_allocator.h (condition_base): Add defaulted
3683         default and copy ctor and copy assignment.
3684
3685 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
3686
3687         PR libstdc++/85098
3688         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
3689         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
3690         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
3691         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
3692         definitions.
3693         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
3694         whitespace.
3695         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
3696         braces around body of do-while.
3697         * testsuite/28_regex/basic_regex/85098.cc: New
3698
3699 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
3700
3701         PR libstdc++/85818
3702         * src/filesystem/path.cc (path::preferred_separator): Add used
3703         attribute.
3704         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
3705
3706         PR libstdc++/85812
3707         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
3708         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
3709         Refactor to separate non-throwing and throwing implementations.
3710         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
3711         if constructing the object throws.
3712
3713 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
3714
3715         PR libstdc++/85749
3716         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
3717         (linear_congruential_engine, mersenne_twister_engine)
3718         (subtract_with_carry_engine, discard_block_engine)
3719         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
3720         constrain function templates taking seed sequences.
3721         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
3722         (mersenne_twister_engine::seed(_Sseq&))
3723         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
3724         match declarations.
3725         * include/ext/random (simd_fast_mersenne_twister_engine): Use
3726         __is_seed_seq to constrain function templates taking seed sequences.
3727         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
3728         Change return type to match declaration.
3729         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
3730         New.
3731         * testsuite/26_numerics/random/independent_bits_engine/cons/
3732         seed_seq2.cc: New.
3733         * testsuite/26_numerics/random/linear_congruential_engine/cons/
3734         seed_seq2.cc: New.
3735         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
3736         seed_seq2.cc: New.
3737         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
3738         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
3739         New.
3740         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
3741         seed_seq2.cc: New.
3742         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
3743         seed_seq2.cc: New.
3744
3745         PR libstdc++/83891
3746         * include/bits/fs_path.h (path::is_absolute()): Use same definition
3747         for all operating systems.
3748         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
3749         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
3750         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
3751         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
3752
3753         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
3754         unused <vector> header.
3755         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
3756         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
3757         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
3758         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
3759         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
3760         Likewise.
3761         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
3762         Likewise.
3763         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
3764         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
3765         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
3766         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
3767         * testsuite/experimental/filesystem/path/decompose/extension.cc:
3768         Likewise.
3769         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
3770         * testsuite/experimental/filesystem/path/query/has_extension.cc:
3771         Likewise.
3772         * testsuite/experimental/filesystem/path/query/has_filename.cc:
3773         Likewise.
3774         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
3775         Likewise.
3776         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
3777         Likewise.
3778         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
3779         Likewise.
3780         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
3781         Likewise.
3782         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
3783         Likewise.
3784         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
3785         * testsuite/experimental/filesystem/path/query/is_relative.cc:
3786         Likewise.
3787
3788         PR libstdc++/84159
3789         * include/bits/fs_path.h (path::operator/=, path::append): Construct
3790         temporary path before calling _M_append.
3791         (path::_M_append): Change parameter to path and implement C++17
3792         semantics.
3793         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
3794         and more examples from the standard.
3795         * testsuite/27_io/filesystem/path/append/source.cc: New.
3796         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
3797         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
3798
3799         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
3800         __invoke to prevent ADL.
3801
3802 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
3803
3804         PR libstdc++/81256
3805         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
3806         exceptions from _M_terminate_output().
3807         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
3808         exceptions from close().
3809         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
3810
3811         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
3812         (__valarray_get_storage): Call operator new directly. Remove ignored
3813         top-level restrict qualifier and add malloc attribute instead.
3814         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
3815
3816         PR libstdc++/67554
3817         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
3818         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
3819
3820         PR libstdc++/82966
3821         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
3822         instead of type.
3823         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
3824
3825 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
3826
3827         PR libstdc++/80165
3828         * testsuite/20_util/variant/80165.cc: New.
3829
3830 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3831
3832         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
3833         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
3834         of C++11 containers with Debug Mode support.
3835         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
3836         * doc/html/*: Regenerate.
3837
3838 2018-05-10  Jason Merrill  <jason@redhat.com>
3839
3840         * include/bits/regex_compiler.h (_S_cache_size): Change from
3841         function to variable.
3842
3843 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
3844
3845         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
3846         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
3847         argument defaulted to +1.  Doxy comments on same.
3848         * testsuite/special_functions/02_assoc_legendre/
3849         check_value.cc: Regen.
3850         * testsuite/tr1/5_numerical_facilities/special_functions/
3851         02_assoc_legendre/check_value.cc: Regen.
3852
3853 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3854
3855         PR libstdc++/85729
3856         * include/bits/c++config.h (__replacement_assert): Add linkage
3857         specification.
3858         * include/bits/std_abs.h: Add comment to closing brace of block.
3859         * include/c_global/cstddef: Add linkage specification.
3860         * include/c_global/cstring: Likewise.
3861         * include/c_global/cwchar: Likewise.
3862
3863 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
3864
3865         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
3866         Rename in...
3867         (_Safe_iterator<>::_S_constant()): ...that.
3868         * include/debug/safe_local_iterator.h
3869         (_Safe_local_iterator<>::_M_constant()): Rename in...
3870         (_Safe_local_iterator<>::_S_constant()): ...that.
3871         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
3872         (_Iterator_state::__rbegin): New.
3873         (_Iterator_state::__rmiddle): New.
3874         (_Iterator_state::__rend): New.
3875         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
3876         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
3877         iterator type.
3878         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
3879         _Is_iterator)): Likewise.
3880         (_Parameter::_S_reverse_state(_Iterator_state)): New.
3881         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
3882         _Is_iterator)): New.
3883         (_Parameter(std::reverse_iterator<> const&, const char*,
3884         _Is_iterator)): New.
3885         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
3886         const char*, _Is_iterator)): New.
3887         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
3888         New.
3889         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
3890         _Is_iterator)): New.
3891         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
3892         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
3893         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
3894
3895 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
3896
3897         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
3898         Use constexpr if in C++17 mode.
3899         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
3900         Copy from const object.
3901         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
3902
3903 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
3904
3905         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
3906         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
3907         backtrace.
3908
3909         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
3910         * include/debug/functions.h (__check_valid_range): Use latter.
3911         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
3912         use latter.
3913         * include/debug/deque
3914         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3915         * include/debug/forward_list
3916         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
3917         Likewise.
3918         * include/debug/list
3919         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3920         * include/debug/list
3921         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3922         * include/debug/map.h
3923         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3924         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3925         Likewise.
3926         * include/debug/multimap.h
3927         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3928         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
3929         const _Alloc&)): Likewise.
3930         * include/debug/set.h
3931         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3932         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3933         Likewise.
3934         * include/debug/multiset.h
3935         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3936         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
3937         const _Alloc&)): Likewise.
3938         * include/debug/string
3939         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
3940         Likewise.
3941         * include/debug/unordered_map
3942         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
3943         Likewise.
3944         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
3945         const _Alloc&)): Likewise.
3946         * include/debug/unordered_set
3947         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
3948         Likewise.
3949         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
3950         const _Alloc&)): Likewise.
3951         * include/debug/vector
3952         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3953
3954         * include/debug/formatter.h (_Error_formatter::_M_function): New.
3955         (_Error_formatter(const char*, unsigned int)): Adapt.
3956         (_Error_formatter::_M_at): Rename in...
3957         (_Error_formatter::_S_at): ...that and adapt.
3958         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
3959         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
3960         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
3961         when available.
3962
3963 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
3964
3965         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
3966         Use normal std::vector even in Debug Mode.
3967
3968         PR libstdc++/85672
3969         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
3970         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
3971         * include/Makefile.in: Regenerate.
3972         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
3973         within conditional block.
3974
3975 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
3976
3977         * doc/xml/manual/using.xml (table.cmd_options): Document that the
3978         C++17 Filesystem implementation also needs -lstdc++fs.
3979
3980         PR libstdc++/85671
3981         * include/bits/fs_path.h (operator/): Permit copy elision.
3982         * include/experimental/bits/fs_path.h (operator/): Likewise.
3983
3984 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
3985
3986         Moar PR libstdc++/80506
3987         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
3988         Fix magic number used in loop condition.
3989
3990 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
3991
3992         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
3993         * include/std/optional (_Optional_payload): Add noexcept to default
3994         constructor. Re-indent.
3995         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
3996         constructor for copying disengaged payloads.
3997         (_Optional_payload<_Tp, true, false, true>): Likewise.
3998         (_Optional_payload<_Tp, true, true, false>): Likewise.
3999         (_Optional_payload<_Tp, true, false, false>): Likewise.
4000         * testsuite/20_util/optional/cons/85642.cc: New.
4001         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
4002
4003 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
4004
4005         PR libstdc++/82644
4006         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
4007         inline definitions instead of using-declarations.
4008         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
4009         * testsuite/tr1/5_numerical_facilities/special_functions/
4010         07_conf_hyperg/compile_cxx17.cc: New.
4011         * testsuite/tr1/5_numerical_facilities/special_functions/
4012         17_hyperg/compile_cxx17.cc: New.
4013
4014         PR libstdc++/84769
4015         * include/std/variant (visit): Qualify std::get call.
4016
4017         PR libstdc++/85632 use uintmax_t for arithmetic
4018         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
4019         arithmetic in result type.
4020         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
4021         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
4022         is greater than free space.
4023         * testsuite/experimental/filesystem/operations/space.cc: New.
4024
4025         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
4026         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
4027         New.
4028         * testsuite/20_util/remove_cvref/value.cc: New.
4029         * testsuite/20_util/remove_cvref/value_ext.cc: New.
4030
4031         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
4032         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
4033         (append(const basic_string&, size_type, size_type)
4034         (assign(const basic_string&, size_type, size_type)
4035         (insert(size_type, const basic_string&, size_type, size_type)
4036         (replace(size_type,size_type,const basic_string&,size_type,size_type)
4037         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
4038         Add default arguments (LWG 2268).
4039         [_GLIBCXX_USE_CXX11_ABI=0]
4040         (append(const basic_string&, size_type, size_type)
4041         (assign(const basic_string&, size_type, size_type)
4042         (insert(size_type, const basic_string&, size_type, size_type)
4043         (replace(size_type,size_type,const basic_string&,size_type,size_type)
4044         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
4045         Likewise.
4046         * testsuite/21_strings/basic_string/dr2268.cc: New test.
4047
4048         PR libstdc++/84535
4049         * include/std/thread (thread::__not_same): New SFINAE helper.
4050         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
4051         first argument is not a std::thread. Add static assertion to check
4052         INVOKE expression is valid.
4053         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
4054         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
4055         __invoke_result for return types and remove exception specifications.
4056         * testsuite/30_threads/thread/cons/84535.cc: New.
4057
4058         * include/std/future (__async_result_of): Use __invoke_result instead
4059         of result_of.
4060
4061         * include/std/any (any_cast): Use __remove_cvref_t.
4062         * include/std/tuple (__make_tuple): Likewise.
4063         * include/std/type_traits (__remove_cvref_t): Define.
4064         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
4065         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
4066         * include/std/variant (__erased_hash): Use __remove_cvref_t.
4067
4068 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
4069
4070         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
4071         ensure overloaded comma not used.
4072         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
4073         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
4074         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
4075         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
4076         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
4077         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
4078         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
4079
4080 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
4081
4082         PR libstdc++/68197
4083         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
4084         indices to unsigned.
4085         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
4086         as failure. Refactor error handling.
4087         * testsuite/27_io/ios_base/storage/68197.cc: New.
4088
4089         PR libstdc++/57997
4090         PR libstdc++/83860
4091         * include/bits/gslice_array.h (gslice_array): Define default
4092         constructor as deleted, as per C++11 standard.
4093         * include/bits/mask_array.h (mask_array): Likewise.
4094         * include/bits/slice_array.h (slice_array): Likewise.
4095         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
4096         to namespace __detail.
4097         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
4098         members.
4099         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
4100         of data members in closure objects.
4101         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
4102         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
4103         __detail.
4104         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
4105         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
4106         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
4107         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
4108         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
4109         using-declarations to namespace std.
4110         * testsuite/26_numerics/valarray/83860.cc: New.
4111
4112         * testsuite/backward/strstream_move.cc: Remove duplicate function
4113         call.
4114
4115         PR libstdc++/69608
4116         * include/backward/strstream (strstreambuf): Define move constructor
4117         and move assignment operator.
4118         (istrstream, ostrstream, strstream): Likewise.
4119         * testsuite/backward/strstream_move.cc: New.
4120
4121 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
4122
4123         PR libstdc++/84654
4124         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
4125         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
4126         * configure: Regenerate.
4127         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
4128         based on ENABLE_FLOAT128.
4129         * include/Makefile.in: Regenerate.
4130         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
4131         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
4132         _GLIBCXX_USE_FLOAT128.
4133
4134 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
4135
4136         * configure: Regenerated.
4137
4138 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
4139
4140         * configure: Regenerated.
4141
4142 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
4143             Jakub Jelinek  <jakub@redhat.com>
4144
4145         PR libstdc++/85442
4146         * src/c++11/Makefile.am: Don't generate debuginfo again for
4147         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
4148         * src/c++11/Makefile.in: Regenerate.
4149
4150 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
4151
4152         PR libstdc++/84442
4153         * testsuite/30_threads/thread/cons/terminate.cc
4154         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
4155
4156 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
4157
4158         PR jit/85384
4159         * configure: Regenerate.
4160
4161 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
4162
4163         * testsuite/experimental/filesystem/file_status/1.cc: Add
4164         -DUSE_FILESYSTEM_TS to dg-options.
4165         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
4166         Likewise.
4167         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
4168         * testsuite/experimental/filesystem/iterators/
4169         recursive_directory_iterator.cc: Likewise.
4170         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
4171         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
4172         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
4173         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
4174         * testsuite/experimental/filesystem/operations/create_directories.cc:
4175         Likewise.
4176         * testsuite/experimental/filesystem/operations/create_directory.cc:
4177         Likewise.
4178         * testsuite/experimental/filesystem/operations/create_symlink.cc:
4179         Likewise.
4180         * testsuite/experimental/filesystem/operations/current_path.cc:
4181         Likewise.
4182         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
4183         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
4184         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
4185         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
4186         * testsuite/experimental/filesystem/operations/last_write_time.cc:
4187         Likewise.
4188         * testsuite/experimental/filesystem/operations/permissions.cc:
4189         Likewise.
4190         * testsuite/experimental/filesystem/operations/read_symlink.cc:
4191         Likewise.
4192         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
4193         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
4194         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
4195         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
4196         Likewise.
4197         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
4198         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
4199         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
4200         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
4201         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
4202         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
4203         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
4204         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
4205         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
4206         * testsuite/experimental/filesystem/path/construct/default.cc:
4207         Likewise.
4208         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
4209         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
4210         * testsuite/experimental/filesystem/path/construct/string_view.cc:
4211         Likewise.
4212         * testsuite/experimental/filesystem/path/decompose/extension.cc:
4213         Likewise.
4214         * testsuite/experimental/filesystem/path/decompose/filename.cc:
4215         Likewise.
4216         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
4217         Likewise.
4218         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
4219         Likewise.
4220         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
4221         Likewise.
4222         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
4223         Likewise.
4224         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
4225         Likewise.
4226         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
4227         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
4228         Likewise.
4229         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
4230         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
4231         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
4232         Likewise.
4233         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
4234         Likewise.
4235         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
4236         Likewise.
4237         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
4238         Likewise.
4239         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
4240         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
4241         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
4242         Likewise.
4243         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
4244         * testsuite/experimental/filesystem/path/query/has_extension.cc:
4245         Likewise.
4246         * testsuite/experimental/filesystem/path/query/has_filename.cc:
4247         Likewise.
4248         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
4249         Likewise.
4250         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
4251         Likewise.
4252         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
4253         Likewise.
4254         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
4255         Likewise.
4256         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
4257         Likewise.
4258         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
4259         * testsuite/experimental/filesystem/path/query/is_relative.cc:
4260         Likewise.
4261
4262 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
4263
4264         * src/c++11/Makefile.am: Fix sed command.
4265         * src/c++11/Makefile.in: Regenerate.
4266
4267         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
4268         handle mangled names starting with double underscores on darwin.
4269         * src/c++11/Makefile.in: Regenerate.
4270
4271 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
4272
4273         * src/c++11/Makefile.am: Fix comment.
4274         * src/c++11/Makefile.in: Regenerate.
4275         * src/c++11/cxx11-ios_failure.cc: Fix comment.
4276         * src/c++98/ios_failure.cc: Likewise.
4277
4278         * src/c++11/ios.cc: Remove redundant macro definition.
4279
4280 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
4281
4282         * doc/xml/manual/abi.xml: Document header locations in recent
4283         releases.
4284         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
4285         * doc/xml/manual/spine.xml: Update copyright years.
4286         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
4287         undefined behaviour.
4288         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
4289         * doc/html/*: Regenerate.
4290
4291 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
4292
4293         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
4294         * doc/xml/manual/backwards_compatibility.xml: Likewise.
4295         * doc/xml/manual/containers.xml: Likewise.
4296         * doc/xml/manual/debug_mode.xml: Likewise.
4297         * doc/xml/manual/extensions.xml: Likewise.
4298         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
4299         * doc/xml/manual/using.xml: Likewise.
4300         * doc/xml/manual/utilities.xml: Likewise.
4301
4302         PR libstdc++/85222
4303         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
4304         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
4305         * src/c++11/Makefile.in: Regenerate.
4306         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
4307         New types.
4308         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
4309         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
4310         * src/c++98/ios_failure.cc (__construct_ios_failure)
4311         (__destroy_ios_failure, is_ios_failure_handler): New functions.
4312         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
4313         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
4314         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
4315         handler types, to always catch std::ios_base::failure.
4316         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
4317         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
4318         exceptions_failbit.cc: Likewise.
4319         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
4320         exceptions_failbit.cc: Likewise.
4321         * testsuite/27_io/basic_istream/extractors_other/char/
4322         exceptions_null.cc: Likewise.
4323         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
4324         exceptions_null.cc: Likewise.
4325         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
4326         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
4327         * testsuite/27_io/basic_ostream/inserters_other/char/
4328         exceptions_null.cc: Likewise.
4329         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
4330         exceptions_null.cc: Likewise.
4331         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
4332
4333 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
4334
4335         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
4336         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
4337
4338 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
4339
4340         PR libstdc++/85183
4341         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
4342         value categories.
4343         * testsuite/20_util/variant/85183.cc: New.
4344
4345 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
4346
4347         * include/std/variant (__get): Qualify calls to avoid ADL.
4348         (__select_index): Adjust whitespace.
4349         (variant): Add using-declaration to workaround Clang bug.
4350
4351 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
4352
4353         PR libstdc++/85040
4354         * include/bits/stl_function.h (greater::__not_overloaded)
4355         (less::__not_overloaded, greater_equal::__not_overloaded)
4356         (less_equal::__not_overloaded): Fix ambiguous specializations.
4357         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
4358         tests for type with overloaded operators.
4359
4360 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4361
4362         PR libstdc++/77691
4363         * testsuite/experimental/memory_resource/resource_adaptor.cc:
4364         xfail execution on 32-bit Solaris/x86.
4365
4366 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
4367
4368         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
4369         VERIFY instead of assert.
4370         * testsuite/20_util/hash/84998.cc: New test.
4371         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
4372         copy of test adjusted for Debug Mode.
4373         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
4374         test in Debug Mode.
4375
4376 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
4377
4378         PR libstdc++/84998
4379         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
4380         * include/std/bitset: Likewise.
4381         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
4382         declaration.
4383         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
4384         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
4385         * include/bits/stl_set.h (std::set<>): Likewise.
4386         * include/bits/unordered_map.h (std::unordered_map<>): Fix
4387         _Hash_merge_helper friend declaration.
4388         (std::unordered_multimap<>): Likewise.
4389         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
4390         (std::unordered_multiset<>): Likewise.
4391
4392 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
4393
4394         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
4395         trailing slash for domain level link.
4396         * doc/xml/faq.xml: Ditto.
4397         * doc/xml/manual/appendix_free.xml (software): Ditto.
4398         * doc/xml/manual/intro.xml: Ditto.
4399         * doc/xml/manual/spine.xml: Ditto.
4400         * doc/xml/spine.xml: Ditto.
4401
4402 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
4403
4404         * doc/xml/manual/documentation_hacking.xml: Adjust link to
4405         docbook.org.
4406
4407 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
4408
4409         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
4410         to compile as C++98.
4411
4412 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
4413
4414         PR libstdc++/78420
4415         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
4416         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
4417         to ensure total order for pointers.
4418         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
4419         Add operator() overloads for pointer arguments and make generic
4420         overloads dispatch to new _S_cmp functions when comparisons would
4421         use built-in operators for pointers.
4422         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
4423
4424 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
4425
4426         PR libstdc++/84773
4427         PR libstdc++/83662
4428         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
4429         * configure: Regenerate.
4430         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
4431         (aligned_alloc): Add using-declaration.
4432         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
4433
4434 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
4435
4436         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
4437         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
4438         registration.
4439
4440 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
4441
4442         PR libstdc++/84769
4443         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
4444         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
4445
4446         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
4447         src/filesystem/std-ops.cc (create_dir): Likewise.
4448
4449 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
4450
4451         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
4452         (StdListIteratorPrinter): Inherit from latter.
4453         (StdFwdListIteratorPrinter): New, inherit from latter.
4454         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
4455         when iterator has no associated container.
4456         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
4457         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
4458         registrations.
4459         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
4460         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
4461
4462 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
4463
4464         PR libstdc++/84601
4465         * include/std/optional (_Optional_payload): Split into multiple
4466         specializations that can handle different cases of trivial or
4467         non-trivial assignment operators.
4468         * testsuite/20_util/optional/84601.cc: New.
4469         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
4470
4471 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
4472
4473         PR libstdc++/84671
4474         * include/bits/parse_numbers.h (_Number_help): Add partial
4475         specialization to handle digit separators. Adjust partial
4476         specialization for recursion temrination to require _Pow == 1ULL.
4477         * testsuite/20_util/duration/literals/84671.cc: New
4478
4479 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
4480
4481         Implement the missing bits of LWG 2769
4482         * include/std/any (any_cast(const any&)): Add static_assert.
4483         (any_cast(any&)): Likewise.
4484         (any_cast(any&&)): Likewise, and remove the handling
4485         for copyable-but-not-movable type.
4486         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
4487         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
4488         add new tests.
4489
4490 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
4491
4492         PR libstdc++/84532
4493         * include/std/thread (thread::__make_invoker): Construct tuple
4494         directly instead of using make_tuple.
4495         * testsuite/30_threads/async/84532.cc: New.
4496         * testsuite/30_threads/thread/84532.cc: New.
4497
4498 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
4499
4500         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
4501         (template<> __aligned_buffer): Define as __aligned_membuf alias.
4502
4503 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
4504
4505         PR target/84148
4506         * configure: Regenerate.
4507
4508 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
4509
4510         PR libstdc++/81797
4511         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
4512         * configure: Regenerate.
4513         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
4514         defined.
4515         * include/Makefile.in: Regenerate.
4516
4517 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
4518
4519         PR libstdc++/83833
4520         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
4521         Add -ffloat-store to options for m68k and ia32.
4522
4523         * doc/xml/faq.xml: Update copyright years.
4524         * doc/html/*: Regenerate.
4525
4526         PR libstdc++/83658
4527         * include/std/any (any::__do_emplace): Only set _M_manager after
4528         constructing the contained object.
4529         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
4530         * testsuite/20_util/any/modifiers/83658.cc: New test.
4531
4532 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
4533
4534         PR libstdc++/81076
4535         * include/c_global/cstddef (__byte_operand): Define primary template.
4536         * testsuite/18_support/byte/81076.cc: New test.
4537
4538 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
4539
4540         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
4541         dg-options and dg-add-options order.
4542         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
4543         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
4544         Likewise.
4545         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
4546         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
4547         Likewise.
4548         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
4549         Likewise.
4550         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
4551         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
4552         Likewise.
4553         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
4554         Likewise.
4555         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
4556         Likewise.
4557         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
4558         Likewise.
4559         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
4560         Likewise.
4561         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
4562         Likewise.
4563         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
4564         Likewise.
4565         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
4566         Likewise.
4567         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
4568         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
4569         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
4570         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
4571         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
4572         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
4573         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
4574         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
4575         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
4576         Likewise.
4577         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
4578         Likewise.
4579         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
4580         Likewise.
4581         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
4582         Likewise.
4583
4584 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
4585
4586         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
4587         include linux/types.h when checking linux/random.h header.
4588         * config.h.in: Regenerate.
4589         * configure: Ditto.
4590         * src/c++11/random.cc: Conditionally include linux/types.h.
4591
4592 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
4593
4594         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
4595
4596 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
4597
4598         PR libstdc++/83834
4599         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
4600         pattern with exact match for std::cerr.
4601
4602 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
4603
4604         PR libstdc++/83833
4605         * include/bits/random.h (chi_squared_distribution::param): Update
4606         gamma distribution parameter.
4607         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
4608         test.
4609
4610         PR libstdc++/83830
4611         * include/std/type_traits (has_unique_object_representations_v): Add
4612         variable template.
4613         * testsuite/20_util/has_unique_object_representations/value.cc: Check
4614         variable template.
4615
4616 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
4617
4618         Make optional conditionally
4619         trivially_{copy,move}_{constructible,assignable}
4620         * include/std/optional (_Optional_payload): Fix the comment in
4621         the class head and turn into a primary and one specialization.
4622         (_Optional_payload::_M_engaged): Strike the NSDMI.
4623         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
4624         New.
4625         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
4626         Likewise.
4627         (_Optional_payload<_Tp, false>::_M_get): Likewise.
4628         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
4629         (_Optional_base_impl): Likewise.
4630         (_Optional_base): Turn into a primary and three specializations.
4631         (optional(nullopt)): Change the base init.
4632         * testsuite/20_util/optional/assignment/8.cc: New.
4633         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
4634         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
4635
4636 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
4637
4638         PR libstdc++/80276
4639         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
4640         (get_template_arg_list): New.
4641         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
4642         instead.
4643         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
4644         of strings and regular expressions.
4645         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
4646         (FilteringTypePrinter): Add docstring. Match using startswith. Use
4647         strip_inline_namespaces instead of strip_versioned_namespace.
4648         (add_one_type_printer): Prepend namespace to match argument.
4649         (register_type_printers): Add type printers for char16_t and char32_t
4650         string types and for types using cxx11 ABI. Update calls to
4651         add_one_template_type_printer to provide default argument dicts.
4652         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
4653         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
4654         basic_string<unsigned char> and basic_string<signed char>.
4655         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
4656         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
4657
4658 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
4659
4660         PR libstdc++/81092
4661         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
4662
4663 2018-01-13  Tim Shen  <timshen@google.com>
4664
4665         PR libstdc++/83601
4666         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
4667         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
4668         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
4669
4670 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4671
4672         PR libstdc++/64054
4673         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
4674         Remove dg-xfail-run-if.
4675
4676 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
4677
4678         * include/bits/forward_list.h
4679         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
4680         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
4681         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
4682         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
4683         (_Fwd_list_impl()): Add noexcept qualification.
4684         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
4685         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
4686         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
4687         (_Fwd_list_base()): Default.
4688         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
4689         (_Fwd_list_base(_Fwd_list_base&&)): Default.
4690         (forward_list<>()): Default.
4691         (forward_list<>(forward_list&&)): Default.
4692         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
4693         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
4694         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
4695         * include/bits/forward_list.tcc
4696         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
4697         _M_impl._M_head move assignment.
4698         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
4699         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
4700
4701 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
4702
4703         PR libstdc++/80276
4704         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
4705         (UniquePointerPrinter): Print correct template argument, not type of
4706         the pointer.
4707         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
4708         a type.
4709         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
4710         array type.
4711         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
4712         weak_ptr of array types.
4713
4714 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
4715
4716         PR libstdc++/83709
4717         * include/bits/hashtable_policy.h
4718         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
4719         __first != __last.
4720         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
4721         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
4722         Add false_type parameter.
4723         (_Insert_base::insert): Adapt.
4724         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
4725         Adapt.
4726         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
4727          Add __n_elt parameter, defaulted to 1.
4728         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
4729         policy _M_need_rehash.
4730         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
4731         produce only 1 rehash if necessary.
4732         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
4733         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
4734
4735 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
4736             Jonathan Wakely  <jwakely@redhat.com>
4737
4738         PR libstdc++/59253 (partial)
4739         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
4740         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
4741         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
4742         children.
4743         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
4744         of unique_ptr printer.
4745         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
4746         output of shared_ptr printer.
4747
4748 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
4749
4750         PR libstdc++/83626
4751         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
4752         unnecessary symlink_status call.
4753         (remove_all(const path&, error_code&)): Use filesystem::remove.
4754         * src/filesystem/std-ops.cc: Likewise.
4755
4756         PR libstdc++/83279
4757         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
4758         sendfile.
4759
4760         PR libstdc++/83626
4761         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
4762         report an error for ENOENT.
4763         (remove_all(const path&)): Fix type of result variable.
4764         (remove_all(const path&, error_code&)): Use non-throwing increment
4765         for directory iterator. Call POSIX remove directly to avoid redundant
4766         calls to symlink_status. Do not report errors for ENOENT.
4767         * src/filesystem/std-ops.cc: Likewise.
4768         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
4769         overload.
4770         * testsuite/experimental/filesystem/operations/remove_all.cc:
4771         Likewise.
4772
4773 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
4774
4775         PR libstdc++/83626
4776         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
4777         redundant call to ec.clear().
4778         (remove_all(const path&, error_code&))): Do not return an error for
4779         non-existent paths.
4780         * src/filesystem/std-ops.cc: Likewise.
4781         * testsuite/27_io/filesystem/operations/remove.cc: New test.
4782         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
4783         results for non-existent paths.
4784         * testsuite/experimental/filesystem/operations/remove.cc: New test.
4785         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
4786         expected results for non-existent paths.
4787
4788         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
4789         check status_known once.
4790         * include/experimental/bits/fs_ops.h: Likewise.
4791
4792         PR libstdc++/83607
4793         * include/std/functional (__is_byte_like): New trait.
4794         (__is_std_equal_to): Remove.
4795         (__boyer_moore_base_t): Use __is_byte_like instead of
4796         __is_std_equal_to.
4797         * include/experimental/functional (__is_std_equal_to): Remove.
4798         (__boyer_moore_base_t): Use __is_byte_like instead of
4799         __is_std_equal_to.
4800         * testsuite/20_util/function_objects/83607.cc: New test.
4801
4802 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
4803
4804         Protect optional's deduction guide with the feature macro
4805         * include/std/optional: Use the feature macro.
4806
4807 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
4808
4809         Update copyright years.
4810 \f
4811 Copyright (C) 2018 Free Software Foundation, Inc.
4812
4813 Copying and distribution of this file, with or without modification,
4814 are permitted in any medium without royalty provided the copyright
4815 notice and this notice are preserved.