libstdc++-v3/ChangeLog

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