libstdc++-v3/ChangeLog

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