libstdc++-v3/ChangeLog

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