libstdc++-v3/ChangeLog

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