libstdc++-v3/ChangeLog

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