libstdc++-v3/ChangeLog

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