libstdc++-v3/ChangeLog

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