libstdc++-v3/ChangeLog

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