libstdc++-v3/ChangeLog

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