libstdc++-v3/ChangeLog

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