libstdc++-v3/ChangeLog

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