libstdc++-v3/ChangeLog

   1 2023-11-07  François Dumont  <fdumont@gcc.gnu.org>
   2
   3         * include/bits/hashtable_policy.h
   4         (_Hashtable_alloc<>::_M_allocate_node): Add missing call to node destructor
   5         on construct exception.
   6
   7 2023-11-07  Richard Biener  <rguenther@suse.de>
   8
   9         PR libstdc++/112351
  10         * src/c++98/locale.cc (locale::facet::_S_initialize_once):
  11         Check whether _S_c_locale is already initialized.
  12         (locale::facet::_S_get_c_locale): Always perform non-threadsafe
  13         init when threadsafe init failed.
  14
  15 2023-11-06  Ian Lance Taylor  <iant@golang.org>
  16
  17         PR libbacktrace/111315
  18         PR libbacktrace/112263
  19         * acinclude.m4: Set -D_GNU_SOURCE in BACKTRACE_CPPFLAGS and when
  20         grepping link.h for dl_iterate_phdr.
  21         * configure: Regenerate.
  22
  23 2023-11-06  Jonathan Wakely  <jwakely@redhat.com>
  24
  25         * include/std/expected (expected::and_then, expected::or_else):
  26         Add string literals to static assertions.
  27         * include/std/optional (optional::and_then, optional::or_else):
  28         Likewise.
  29
  30 2023-11-04  Feng Jisen  <J1senn@outlook.com>
  31
  32         * include/bits/utility.h (_Nth_type): Remove redundant partial
  33         specialization.
  34
  35 2023-11-04  Jonathan Wakely  <jwakely@redhat.com>
  36
  37         PR libstdc++/110133
  38         * include/std/system_error (system_error::system_error): Group
  39         arguments so that concatenation can reuse rvalue's capacity.
  40         * src/c++11/system_error.cc (strerror_string): New function.
  41         [_GLIBCXX_HAVE_STRERROR_R] (use_strerror_result): New functions.
  42         (generic_error_category::message): Use strerror_string.
  43         (system_error_category::message): Likewise.
  44
  45 2023-11-04  Jonathan Wakely  <jwakely@redhat.com>
  46
  47         * doc/xml/manual/appendix_contributing.xml: Replace example that
  48         uses a BADNAME.
  49         * doc/html/manual/source_code_style.html: Regenerate.
  50
  51 2023-11-02  Jonathan Wakely  <jwakely@redhat.com>
  52
  53         PR libstdc++/112314
  54         * include/std/string_view (string_view::remove_suffix): Add
  55         debug assertion.
  56         * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/debug.cc:
  57         New test.
  58         * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/debug.cc:
  59         New test.
  60
  61 2023-11-02  Jonathan Wakely  <jwakely@redhat.com>
  62
  63         * acinclude.m4 (GLIBCXX_ENABLE_C99): Fix snprintf checks.
  64         * configure: Regenerate.
  65
  66 2023-10-30  François Dumont  <fdumont@gcc.gnu.org>
  67
  68         * config/abi/pre/gnu-versioned-namespace.ver: Add comment on recently
  69         added emul TLS symbols.
  70
  71 2023-10-30  François Dumont  <fdumont@gcc.gnu.org>
  72
  73         * src/experimental/contract.cc
  74         [_GLIBCXX_INLINE_VERSION](handle_contract_violation): Rework comment.
  75         Remove weak attribute.
  76
  77 2023-10-29  François Dumont  <fdumont@gcc.gnu.org>
  78
  79         * config/abi/pre/gnu-versioned-namespace.ver: Add missing emul TLS
  80         symbols.
  81
  82 2023-10-29  François Dumont  <fdumont@gcc.gnu.org>
  83
  84         * src/experimental/contract.cc
  85         [_GLIBCXX_INLINE_VERSION](handle_contract_violation): Provide symbol
  86         without version namespace decoration for gcc.
  87
  88 2023-10-26  Jonathan Wakely  <jwakely@redhat.com>
  89
  90         PR libstdc++/112089
  91         * include/std/shared_mutex (shared_lock::unlock): Change errc
  92         constant to operation_not_permitted.
  93         * testsuite/30_threads/shared_lock/locking/112089.cc: New test.
  94
  95 2023-10-26  Jonathan Wakely  <jwakely@redhat.com>
  96
  97         * testsuite/20_util/duration/io.cc: Double timeout using
  98         dg-timeout-factor.
  99         * testsuite/std/time/day/io.cc: Likewise.
 100         * testsuite/std/time/format.cc: Likewise.
 101         * testsuite/std/time/hh_mm_ss/io.cc: Likewise.
 102         * testsuite/std/time/month/io.cc: Likewise.
 103         * testsuite/std/time/month_day/io.cc: Likewise.
 104         * testsuite/std/time/month_day_last/io.cc: Likewise.
 105         * testsuite/std/time/month_weekday/io.cc: Likewise.
 106         * testsuite/std/time/month_weekday_last/io.cc: Likewise.
 107         * testsuite/std/time/weekday/io.cc: Likewise.
 108         * testsuite/std/time/weekday_indexed/io.cc: Likewise.
 109         * testsuite/std/time/weekday_last/io.cc: Likewise.
 110         * testsuite/std/time/year/io.cc: Likewise.
 111         * testsuite/std/time/year_month/io.cc: Likewise.
 112         * testsuite/std/time/year_month_day/io.cc: Likewise.
 113         * testsuite/std/time/year_month_day_last/io.cc: Likewise.
 114         * testsuite/std/time/year_month_weekday/io.cc: Likewise.
 115         * testsuite/std/time/year_month_weekday_last/io.cc: Likewise.
 116         * testsuite/std/time/zoned_time/io.cc: Likewise.
 117
 118 2023-10-25  Jonathan Wakely  <jwakely@redhat.com>
 119
 120         PR libstdc++/111936
 121         * src/libbacktrace/Makefile.am: Add -prefer-pic to libtool
 122         compile commands.
 123         * src/libbacktrace/Makefile.in: Regenerate.
 124
 125 2023-10-24  Paul M. Bendixen  <paulbendixen@gmail.com>
 126
 127         * include/Makefile.am: Move cstdarg, cstdalign and cstdbool to
 128         freestanding.
 129         * include/Makefile.in: Regenerate.
 130
 131 2023-10-22  Iain Sandoe  <iain@sandoe.co.uk>
 132
 133         * configure: Regenerate.
 134         * configure.ac: Handle Darwin rpaths.
 135         * src/Makefile.am: Handle Darwin rpaths.
 136         * src/Makefile.in: Regenerate.
 137
 138 2023-10-21  Jonathan Wakely  <jwakely@redhat.com>
 139
 140         * include/bits/basic_string.h (_M_init_local_buf()): New
 141         function.
 142         (_M_use_local_data()): Use _M_init_local_buf.
 143         (basic_string(), basic_string(const Alloc&))
 144         (basic_string(basic_string&&))
 145         (basic_string(basic_string&&, const Alloc&)): Use
 146         _M_init_local_buf instead of _M_use_local_data().
 147         * include/bits/basic_string.tcc (swap(basic_string&))
 148         (_M_construct(InIter, InIter, input_iterator_tag))
 149         (_M_construct(InIter, InIter, forward_iterator_tag))
 150         (_M_construct(size_type, CharT), reserve()): Likewise.
 151
 152 2023-10-21  Benjamin Brock  <brock@cs.berkeley.edu>
 153
 154         * include/std/ranges (zip_view, adjacent_view): Implement
 155         workaround for LLVM-61763.
 156
 157 2023-10-21  Dimitrij Mijoski  <dmjpp@hotmail.com>
 158
 159         * testsuite/22_locale/codecvt/codecvt_unicode.h: Test length()
 160
 161 2023-10-21  Jonathan Wakely  <jwakely@redhat.com>
 162
 163         * include/bits/fs_dir.h (operator==(default_sentinel_t)): Fix
 164         indentation.
 165
 166 2023-10-20  Marek Polacek  <polacek@redhat.com>
 167
 168         PR testsuite/111883
 169         * include/std/charconv (from_chars): Add explicit casts.
 170
 171 2023-10-19  François Dumont  <fdumont@gcc.gnu.org>
 172
 173         * include/bits/hashtable_policy.h
 174         (_Hash_code_base::_M_hash_code(const _Hash&, const _Hash_node_value<>&)): Remove.
 175         (_Hash_code_base::_M_hash_code<_H2>(const _H2&, const _Hash_node_value<>&)): Remove.
 176         * include/bits/hashtable.h
 177         (_M_src_hash_code<_H2>(const _H2&, const key_type&, const __node_value_type&)): New.
 178         (_M_merge_unique<>, _M_merge_multi<>): Use latter.
 179         * testsuite/23_containers/unordered_map/modifiers/merge.cc
 180         (test04, test05, test06): New test cases.
 181
 182 2023-10-13  Jakub Jelinek  <jakub@redhat.com>
 183
 184         * testsuite/tr1/8_c_compatibility/cstdio/functions.cc (test01):
 185         Initialize stream to va_arg(ap, FILE*) rather than 0.
 186         * testsuite/tr1/8_c_compatibility/cwchar/functions.cc (test01):
 187         Likewise.
 188
 189 2023-10-13  Hans-Peter Nilsson  <hp@axis.com>
 190
 191         * testsuite/29_atomics/atomic/compare_exchange_padding.cc,
 192         testsuite/29_atomics/atomic_flag/clear/1.cc,
 193         testsuite/29_atomics/atomic_flag/cons/value_init.cc,
 194         testsuite/29_atomics/atomic_flag/test_and_set/explicit.cc,
 195         testsuite/29_atomics/atomic_flag/test_and_set/implicit.cc,
 196         testsuite/29_atomics/atomic_ref/compare_exchange_padding.cc,
 197         testsuite/29_atomics/atomic_ref/generic.cc,
 198         testsuite/29_atomics/atomic_ref/integral.cc,
 199         testsuite/29_atomics/atomic_ref/pointer.cc: Replace
 200         dg-require-thread-fence with dg-require-atomic-cmpxchg-word.
 201
 202 2023-10-13  Hans-Peter Nilsson  <hp@axis.com>
 203
 204         * testsuite/lib/dg-options.exp (dg-require-atomic-cmpxchg-word):
 205         New proc.
 206         * testsuite/lib/libstdc++.exp (check_v3_target_atomic_cmpxchg_word):
 207         Ditto.
 208
 209 2023-10-05  François Dumont  <fdumont@gcc.gnu.org>
 210
 211         * config/abi/pre/gnu-versioned-namespace.ver: Add missing symbols
 212         for _Float{16,32,64,128,32x,64x,128x}.
 213
 214 2023-10-04  Tom Tromey  <tromey@adacore.com>
 215
 216         * python/libstdcxx/v6/printers.py
 217         (StdExpAnyPrinter.__init__): Qualify call to
 218         _string_types.
 219
 220 2023-10-04  Tom Tromey  <tromey@adacore.com>
 221
 222         * python/libstdcxx/v6/printers.py: Assume that
 223         _versioned_namespace is non-None.
 224         * python/libstdcxx/v6/xmethods.py (is_specialization_of):
 225         Assume that _versioned_namespace is non-None.
 226
 227 2023-10-04  Tom Tromey  <tromey@adacore.com>
 228
 229         * python/libstdcxx/v6/xmethods.py (_versioned_namespace):
 230         Define.
 231
 232 2023-09-29  Dimitrij Mijoski  <dmjpp@hotmail.com>
 233
 234         PR libstdc++/108976
 235         * src/c++11/codecvt.cc (read_utf8_code_point): Fix handing of
 236         surrogates in UTF-8.
 237         (ucs4_out): Fix handling of surrogates in UCS-4 -> UTF-8.
 238         (ucs4_in): Fix handling of range with odd number of bytes.
 239         (ucs4_out): Fix handling of surrogates in UCS-4 -> UTF-16.
 240         (ucs2_out): Fix handling of surrogates in UCS-2 -> UTF-16.
 241         (ucs2_in): Fix handling of range with odd number of bytes.
 242         (__codecvt_utf16_base<char16_t>::do_in): Likewise.
 243         (__codecvt_utf16_base<char32_t>::do_in): Likewise.
 244         (__codecvt_utf16_base<wchar_t>::do_in): Likewise.
 245         * testsuite/22_locale/codecvt/codecvt_unicode.cc: Renames, add
 246         tests for codecvt_utf16<char16_t> and codecvt_utf16<char32_t>.
 247         * testsuite/22_locale/codecvt/codecvt_unicode.h: Refactor UTF-8
 248         testing functions for char8_t, add more test cases for errors,
 249         add testing functions for codecvt_utf16.
 250         * testsuite/22_locale/codecvt/codecvt_unicode_wchar_t.cc:
 251         Renames, add tests for codecvt_utf16<whchar_t>.
 252         * testsuite/22_locale/codecvt/codecvt_utf16/79980.cc (test06):
 253         Fix test.
 254         * testsuite/22_locale/codecvt/codecvt_unicode_char8_t.cc: New
 255         test.
 256
 257 2023-09-29  Nathaniel Shead  <nathanieloshead@gmail.com>
 258
 259         * include/bits/basic_string.h: (basic_string(basic_string&&)):
 260         Activate _M_local_buf when needed.
 261         (basic_string(basic_string&&, const _Alloc&)): Likewise.
 262         * include/bits/basic_string.tcc: (basic_string::swap): Likewise.
 263         * include/std/variant: (__detail::__variant::__construct_n): New.
 264         (__detail::__variant::__emplace): Use __construct_n.
 265
 266 2023-09-28  Tom Tromey  <tromey@adacore.com>
 267
 268         * python/libstdcxx/v6/printers.py (Printer.add_version)
 269         (add_one_template_type_printer)
 270         (FilteringTypePrinter.add_one_type_printer): Use Python
 271         "not in" operator.
 272
 273 2023-09-28  Tom Tromey  <tromey@adacore.com>
 274
 275         * python/libstdcxx/v6/printers.py (std_ratio_t_tuple):
 276         Remove.
 277
 278 2023-09-28  Tom Tromey  <tromey@adacore.com>
 279
 280         * python/libstdcxx/v6/printers.py
 281         (StdExpOptionalPrinter.__init__, lookup_node_type):
 282         Remove unused variables.
 283
 284 2023-09-28  Tom Tromey  <tromey@adacore.com>
 285
 286         * python/libstdcxx/v6/printers.py: Don't import 'os'.
 287         * python/libstdcxx/v6/__init__.py: Don't import 'gdb'.
 288
 289 2023-09-28  Tom Tromey  <tromey@adacore.com>
 290
 291         * python/libstdcxx/v6/printers.py: Use gdb.ValuePrinter
 292         everywhere.  Rename members to start with "_".
 293
 294 2023-09-28  Tom Tromey  <tromey@adacore.com>
 295
 296         * testsuite/lib/gdb-test.exp (gdb-test): Enable Python
 297         stack traces from gdb.
 298
 299 2023-09-28  Jonathan Wakely  <jwakely@redhat.com>
 300
 301         * python/libstdcxx/v6/xmethods.py (is_specialization_of): Define
 302         new function.
 303         (ArrayMethodsMatcher, DequeMethodsMatcher)
 304         (ForwardListMethodsMatcher, ListMethodsMatcher)
 305         (VectorMethodsMatcher, AssociativeContainerMethodsMatcher)
 306         (UniquePtrGetWorker, UniquePtrMethodsMatcher)
 307         (SharedPtrSubscriptWorker, SharedPtrMethodsMatcher): Use
 308         is_specialization_of instead of re.match.
 309
 310 2023-09-28  Jonathan Wakely  <jwakely@redhat.com>
 311
 312         * python/libstdcxx/v6/printers.py: Break long lines. Use raw
 313         strings for regular expressions. Add whitespace around
 314         operators.
 315         (is_member_of_namespace): Use isinstance to check type.
 316         (is_specialization_of): Likewise. Adjust template_name
 317         for versioned namespace instead of duplicating the re.match
 318         call.
 319         (StdExpAnyPrinter._string_types): New static method.
 320         (StdExpAnyPrinter.to_string): Use _string_types.
 321
 322 2023-09-28  Jonathan Wakely  <jwakely@redhat.com>
 323
 324         * python/libstdcxx/v6/printers.py: Format docstrings according
 325         to PEP 257.
 326         * python/libstdcxx/v6/xmethods.py: Likewise.
 327
 328 2023-09-28  Tim Song  <t.canens.cpp@gmail.com>
 329
 330         PR libstdc++/111050
 331         * include/bits/hashtable_policy.h
 332         (_Hash_node_value_base<>::_M_valptr(), _Hash_node_value_base<>::_M_v())
 333         Add [[__gnu__::__always_inline__]].
 334
 335 2023-09-27  Jonathan Wakely  <jwakely@redhat.com>
 336
 337         * python/libstdcxx/v6/printers.py (StdChronoTimeZoneRulePrinter):
 338         Fix incorrect number of replacement fields.
 339
 340 2023-09-26  Hans-Peter Nilsson  <hp@axis.com>
 341
 342         * testsuite/29_atomics/atomic_flag/cons/value_init.cc: Add
 343         dg-require-thread-fence.
 344
 345 2023-09-25  Patrick Palka  <ppalka@redhat.com>
 346
 347         * include/std/charconv (__detail::__integer_to_chars_result_type):
 348         Remove.
 349         (__detail::__to_chars_16): Use to_chars_result as return type.
 350         (__detail::__to_chars_10): Likewise.
 351         (__detail::__to_chars_8): Likewise.
 352         (__detail::__to_chars_2): Likewise.
 353         (__detail::__to_chars_i): Likewise.
 354         (__detail::__integer_from_chars_result_type): Inline the
 355         constraint into ...
 356         (from_chars): ... here.  Use __is_standard_integer in the
 357         constraint.  Encode constraint as a defaulted non-type template
 358         parameter instead of within the return type.
 359
 360 2023-09-25  John David Anglin  <danglin@gcc.gnu.org>
 361
 362         * config/abi/post/hppa-linux-gnu/baseline_symbols.txt: Update.
 363
 364 2023-09-25  Jonathan Wakely  <jwakely@redhat.com>
 365
 366         PR libstdc++/111511
 367         PR c++/111512
 368         * include/std/array (to_array): Cast memcpy arguments to void*.
 369         * testsuite/23_containers/array/creation/111512.cc: New test.
 370
 371 2023-09-25  Jonathan Wakely  <jwakely@redhat.com>
 372
 373         * include/bits/move.h (forward_list): Define for C++23.
 374         * include/bits/version.def (forward_like): Define.
 375         * include/bits/version.h: Regenerate.
 376         * include/std/utility (__glibcxx_want_forward_like): Define.
 377         * testsuite/20_util/forward_like/1.cc: New test.
 378         * testsuite/20_util/forward_like/2_neg.cc: New test.
 379         * testsuite/20_util/forward_like/version.cc: New test.
 380
 381 2023-09-19  Marek Polacek  <polacek@redhat.com>
 382
 383         * testsuite/20_util/allocator/105975.cc: Add dg-error.
 384
 385 2023-09-18  Patrick Palka  <ppalka@redhat.com>
 386
 387         PR c++/63198
 388         PR c++/18474
 389         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
 390         Make data member seed_seq::called mutable.
 391         * testsuite/26_numerics/random/independent_bits_engine/cons/seed_seq2.cc:
 392         Likewise.
 393         * testsuite/26_numerics/random/linear_congruential_engine/cons/seed_seq2.cc:
 394         Likewise.
 395         * testsuite/26_numerics/random/mersenne_twister_engine/cons/seed_seq2.cc:
 396         Likewise.
 397         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
 398         Likewise.
 399         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/seed_seq2.cc:
 400         Likewise.
 401         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/seed_seq2.cc:
 402         Likewise.
 403
 404 2023-09-18  Jonathan Wakely  <jwakely@redhat.com>
 405
 406         * doc/xml/manual/status_cxx2020.xml: Tweak P1466R3 status.
 407         * doc/html/manual/status.html: Regenerate.
 408
 409 2023-09-18  Jonathan Wakely  <jwakely@redhat.com>
 410
 411         * doc/xml/manual/configure.xml: Use conventional option name.
 412         * doc/xml/manual/status_cxx2020.xml: Update.
 413         * doc/xml/manual/status_cxx2023.xml: Update.
 414         * doc/html/*: Regenerate.
 415
 416 2023-09-18  Jonathan Wakely  <jwakely@redhat.com>
 417
 418         * doc/xml/manual/intro.xml: Clarify that building libstdc++
 419         separately from GCC is not supported.
 420         * doc/xml/manual/prerequisites.xml: Note msgfmt prerequisite for
 421         testing.
 422         * doc/html/manual/setup.html: Regenerate.
 423
 424 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
 425
 426         * testsuite/29_atomics/atomic_ref/wait_notify.cc: Do not
 427         restrict to pthreads targets.
 428         * testsuite/30_threads/jthread/3.cc: Likewise.
 429         * testsuite/30_threads/semaphore/100806.cc: Likewise.
 430         * testsuite/30_threads/semaphore/try_acquire.cc: Likewise.
 431         * testsuite/30_threads/semaphore/try_acquire_for.cc: Likewise.
 432         * testsuite/30_threads/semaphore/try_acquire_posix.cc: Likewise.
 433
 434 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
 435
 436         * testsuite/18_support/coroutines/95917.cc: Remove dg-options
 437         -std=gnu++2a.
 438         * testsuite/18_support/coroutines/hash.cc: Likewise.
 439         * testsuite/18_support/coroutines/lwg3460.cc: Likewise.
 440         * testsuite/18_support/destroying_delete.cc: Likewise.
 441         * testsuite/18_support/source_location/1.cc: Likewise.
 442         * testsuite/18_support/source_location/consteval.cc: Likewise.
 443         * testsuite/18_support/source_location/version.cc: Likewise.
 444         * testsuite/19_diagnostics/error_category/operators/three_way.cc:
 445         Likewise.
 446         * testsuite/19_diagnostics/error_code/operators/three_way.cc:
 447         Likewise.
 448         * testsuite/19_diagnostics/error_condition/operators/three_way.cc:
 449         Likewise.
 450         * testsuite/19_diagnostics/stacktrace/output.cc: Likewise.
 451         * testsuite/26_numerics/adjacent_difference/lwg2055.cc:
 452         Likewise.
 453         * testsuite/26_numerics/bit/bit.count/countl_zero.cc: Likewise.
 454         * testsuite/26_numerics/bit/bit.count/countr_one.cc: Likewise.
 455         * testsuite/26_numerics/bit/bit.count/countr_zero.cc: Likewise.
 456         * testsuite/26_numerics/bit/bit.count/popcount.cc: Likewise.
 457         * testsuite/26_numerics/bit/bit.pow.two/bit_ceil.cc: Likewise.
 458         * testsuite/26_numerics/bit/bit.pow.two/has_single_bit.cc:
 459         Likewise.
 460         * testsuite/28_regex/iterators/regex_iterator/lwg3719.cc:
 461         Likewise.
 462         * testsuite/28_regex/iterators/regex_token_iterator/lwg3719.cc:
 463         Likewise.
 464         * testsuite/28_regex/sub_match/compare_c++20.cc: Likewise.
 465         * testsuite/experimental/filesystem/iterators/106201.cc:
 466         Likewise.
 467         * testsuite/experimental/scopeguard/exit.cc: Likewise.
 468         * testsuite/experimental/scopeguard/uniqueres.cc: Likewise.
 469
 470 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
 471
 472         * testsuite/30_threads/barrier/1.cc: Remove dg-options
 473         -std=gnu++20.
 474         * testsuite/30_threads/barrier/2.cc: Likewise.
 475         * testsuite/30_threads/barrier/arrive.cc: Likewise.
 476         * testsuite/30_threads/barrier/arrive_and_drop.cc: Likewise.
 477         * testsuite/30_threads/barrier/arrive_and_wait.cc: Likewise.
 478         * testsuite/30_threads/barrier/completion.cc: Likewise.
 479         * testsuite/30_threads/condition_variable/members/clock_neg.cc:
 480         Likewise.
 481         * testsuite/30_threads/condition_variable_any/members/clock_neg.cc:
 482         Likewise.
 483         * testsuite/30_threads/condition_variable_any/stop_token/1.cc:
 484         Likewise.
 485         * testsuite/30_threads/condition_variable_any/stop_token/2.cc:
 486         Likewise.
 487         * testsuite/30_threads/future/members/clock_neg.cc: Likewise.
 488         * testsuite/30_threads/headers/stop_token/synopsis.cc: Likewise.
 489         * testsuite/30_threads/headers/thread/types_std_c++20.cc:
 490         Likewise.
 491         * testsuite/30_threads/jthread/1.cc: Likewise.
 492         * testsuite/30_threads/jthread/100612.cc: Likewise.
 493         * testsuite/30_threads/jthread/95989.cc: Likewise.
 494         * testsuite/30_threads/jthread/jthread.cc: Likewise.
 495         * testsuite/30_threads/jthread/version.cc: Likewise.
 496         * testsuite/30_threads/latch/1.cc: Likewise.
 497         * testsuite/30_threads/latch/2.cc: Likewise.
 498         * testsuite/30_threads/latch/3.cc: Likewise.
 499         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/clock_neg.cc:
 500         Likewise.
 501         * testsuite/30_threads/semaphore/1.cc: Likewise.
 502         * testsuite/30_threads/semaphore/2.cc: Likewise.
 503         * testsuite/30_threads/semaphore/least_max_value_neg.cc:
 504         Likewise.
 505         * testsuite/30_threads/semaphore/try_acquire_until.cc: Likewise.
 506         * testsuite/30_threads/shared_future/members/clock_neg.cc:
 507         Likewise.
 508         * testsuite/30_threads/shared_lock/locking/clock_neg.cc:
 509         Likewise.
 510         * testsuite/30_threads/shared_timed_mutex/try_lock_until/clock_neg.cc:
 511         Likewise.
 512         * testsuite/30_threads/stop_token/1.cc: Likewise.
 513         * testsuite/30_threads/stop_token/2.cc: Likewise.
 514         * testsuite/30_threads/stop_token/stop_callback.cc: Likewise.
 515         * testsuite/30_threads/stop_token/stop_callback/deadlock.cc:
 516         Likewise.
 517         * testsuite/30_threads/stop_token/stop_callback/destructible_neg.cc:
 518         Likewise.
 519         * testsuite/30_threads/stop_token/stop_callback/invocable_neg.cc:
 520         Likewise.
 521         * testsuite/30_threads/stop_token/stop_callback/invoke.cc:
 522         Likewise.
 523         * testsuite/30_threads/stop_token/stop_source.cc: Likewise.
 524         * testsuite/30_threads/stop_token/stop_source/assign.cc:
 525         Likewise.
 526         * testsuite/30_threads/stop_token/stop_token.cc: Likewise.
 527         * testsuite/30_threads/stop_token/stop_token/stop_possible.cc:
 528         Likewise.
 529         * testsuite/30_threads/thread/id/operators_c++20.cc: Likewise.
 530         * testsuite/30_threads/timed_mutex/try_lock_until/clock_neg.cc:
 531         Likewise.
 532         * testsuite/30_threads/unique_lock/locking/clock_neg.cc:
 533         Likewise.
 534
 535 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
 536
 537         * testsuite/27_io/basic_istream/extractors_character/char/lwg2499.cc:
 538         Remove dg-options -std=gnu++2a.
 539         * testsuite/27_io/basic_istream/extractors_character/char/lwg2499_neg.cc:
 540         Likewise.
 541         * testsuite/27_io/basic_istream/extractors_character/wchar_t/lwg2499.cc:
 542         Likewise.
 543         * testsuite/27_io/basic_istream/extractors_character/wchar_t/lwg2499_neg.cc:
 544         Likewise.
 545         * testsuite/27_io/basic_istringstream/cons/char/1.cc: Likewise.
 546         * testsuite/27_io/basic_istringstream/cons/wchar_t/1.cc:
 547         Likewise.
 548         * testsuite/27_io/basic_istringstream/str/char/2.cc: Likewise.
 549         * testsuite/27_io/basic_istringstream/str/wchar_t/2.cc:
 550         Likewise.
 551         * testsuite/27_io/basic_istringstream/view/char/1.cc: Likewise.
 552         * testsuite/27_io/basic_istringstream/view/wchar_t/1.cc:
 553         Likewise.
 554         * testsuite/27_io/basic_ostream/emit/1.cc: Likewise.
 555         * testsuite/27_io/basic_ostream/inserters_character/char/deleted.cc:
 556         Likewise.
 557         * testsuite/27_io/basic_ostream/inserters_character/wchar_t/deleted.cc:
 558         Likewise.
 559         * testsuite/27_io/basic_ostringstream/cons/char/1.cc: Likewise.
 560         * testsuite/27_io/basic_ostringstream/cons/wchar_t/1.cc:
 561         Likewise.
 562         * testsuite/27_io/basic_ostringstream/str/char/3.cc: Likewise.
 563         * testsuite/27_io/basic_ostringstream/str/wchar_t/3.cc:
 564         Likewise.
 565         * testsuite/27_io/basic_ostringstream/view/char/1.cc: Likewise.
 566         * testsuite/27_io/basic_ostringstream/view/wchar_t/1.cc:
 567         Likewise.
 568         * testsuite/27_io/basic_stringbuf/cons/char/2.cc: Likewise.
 569         * testsuite/27_io/basic_stringbuf/cons/wchar_t/2.cc: Likewise.
 570         * testsuite/27_io/basic_stringbuf/str/char/4.cc: Likewise.
 571         * testsuite/27_io/basic_stringbuf/str/wchar_t/4.cc: Likewise.
 572         * testsuite/27_io/basic_stringbuf/view/char/1.cc: Likewise.
 573         * testsuite/27_io/basic_stringbuf/view/wchar_t/1.cc: Likewise.
 574         * testsuite/27_io/basic_stringstream/cons/char/1.cc: Likewise.
 575         * testsuite/27_io/basic_stringstream/cons/char/97719.cc:
 576         Likewise.
 577         * testsuite/27_io/basic_stringstream/cons/wchar_t/1.cc:
 578         Likewise.
 579         * testsuite/27_io/basic_stringstream/str/char/5.cc: Likewise.
 580         * testsuite/27_io/basic_stringstream/str/wchar_t/5.cc.cc:
 581         Likewise.
 582         * testsuite/27_io/basic_stringstream/view/char/1.cc: Likewise.
 583         * testsuite/27_io/basic_stringstream/view/wchar_t/1.cc:
 584         Likewise.
 585         * testsuite/27_io/basic_syncbuf/1.cc: Likewise.
 586         * testsuite/27_io/basic_syncbuf/2.cc: Likewise.
 587         * testsuite/27_io/basic_syncbuf/basic_ops/1.cc: Likewise.
 588         * testsuite/27_io/basic_syncbuf/requirements/types.cc: Likewise.
 589         * testsuite/27_io/basic_syncbuf/sync_ops/1.cc: Likewise.
 590         * testsuite/27_io/basic_syncstream/1.cc: Likewise.
 591         * testsuite/27_io/basic_syncstream/2.cc: Likewise.
 592         * testsuite/27_io/basic_syncstream/basic_ops/1.cc: Likewise.
 593         * testsuite/27_io/basic_syncstream/requirements/types.cc:
 594         Likewise.
 595         * testsuite/27_io/filesystem/iterators/106201.cc: Likewise.
 596         * testsuite/27_io/filesystem/iterators/lwg3719.cc: Likewise.
 597         * testsuite/27_io/filesystem/path/factory/u8path-depr.cc:
 598         Likewise.
 599         * testsuite/27_io/filesystem/path/nonmember/cmp_c++20.cc:
 600         Likewise.
 601
 602 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
 603
 604         * testsuite/26_numerics/accumulate/constexpr.cc: Remove
 605         dg-options -std=gnu++2a.
 606         * testsuite/26_numerics/accumulate/lwg2055.cc: Likewise.
 607         * testsuite/26_numerics/adjacent_difference/constexpr.cc:
 608         Likewise.
 609         * testsuite/26_numerics/bit/bit.cast/105027.cc: Likewise.
 610         * testsuite/26_numerics/bit/bit.cast/bit_cast.cc: Likewise.
 611         * testsuite/26_numerics/bit/bit.cast/version.cc: Likewise.
 612         * testsuite/26_numerics/bit/bit.count/countl_one.cc: Likewise.
 613         * testsuite/26_numerics/bit/bit.pow.two/bit_ceil_neg.cc:
 614         Likewise.
 615         * testsuite/26_numerics/bit/bit.pow.two/bit_floor.cc: Likewise.
 616         * testsuite/26_numerics/bit/bit.pow.two/bit_width.cc: Likewise.
 617         * testsuite/26_numerics/bit/bit.pow.two/lwg3656.cc: Likewise.
 618         * testsuite/26_numerics/bit/bit.rotate/rotl.cc: Likewise.
 619         * testsuite/26_numerics/bit/bit.rotate/rotr.cc: Likewise.
 620         * testsuite/26_numerics/bit/header-2.cc: Likewise.
 621         * testsuite/26_numerics/bit/header.cc: Likewise.
 622         * testsuite/26_numerics/complex/1.cc: Likewise.
 623         * testsuite/26_numerics/complex/2.cc: Likewise.
 624         * testsuite/26_numerics/complex/comparison_operators/more_constexpr.cc:
 625         Likewise.
 626         * testsuite/26_numerics/complex/operators/more_constexpr.cc:
 627         Likewise.
 628         * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
 629         Likewise.
 630         * testsuite/26_numerics/complex/value_operations/more_constexpr.cc:
 631         Likewise.
 632         * testsuite/26_numerics/endian/1.cc: Likewise.
 633         * testsuite/26_numerics/endian/2.cc: Likewise.
 634         * testsuite/26_numerics/endian/3.cc: Likewise.
 635         * testsuite/26_numerics/exclusive_scan/constexpr.cc: Likewise.
 636         * testsuite/26_numerics/inclusive_scan/constexpr.cc: Likewise.
 637         * testsuite/26_numerics/inner_product/constexpr.cc: Likewise.
 638         * testsuite/26_numerics/inner_product/lwg2055.cc: Likewise.
 639         * testsuite/26_numerics/iota/constexpr.cc: Likewise.
 640         * testsuite/26_numerics/lerp/1.cc: Likewise.
 641         * testsuite/26_numerics/lerp/constexpr.cc: Likewise.
 642         * testsuite/26_numerics/lerp/version.cc: Likewise.
 643         * testsuite/26_numerics/midpoint/floating.cc: Likewise.
 644         * testsuite/26_numerics/midpoint/integral.cc: Likewise.
 645         * testsuite/26_numerics/midpoint/pointer.cc: Likewise.
 646         * testsuite/26_numerics/midpoint/pointer_neg.cc: Likewise.
 647         * testsuite/26_numerics/midpoint/version.cc: Likewise.
 648         * testsuite/26_numerics/numbers/1.cc: Likewise.
 649         * testsuite/26_numerics/numbers/2.cc: Likewise.
 650         * testsuite/26_numerics/numbers/3.cc: Likewise.
 651         * testsuite/26_numerics/numbers/float128.cc: Likewise.
 652         * testsuite/26_numerics/numbers/nonfloat_neg.cc: Likewise.
 653         * testsuite/26_numerics/partial_sum/constexpr.cc: Likewise.
 654         * testsuite/26_numerics/partial_sum/lwg2055.cc: Likewise.
 655         * testsuite/26_numerics/random/concept.cc: Likewise.
 656         * testsuite/26_numerics/reduce/constexpr.cc: Likewise.
 657         * testsuite/26_numerics/slice/compare.cc: Likewise.
 658         * testsuite/26_numerics/transform_exclusive_scan/constexpr.cc:
 659         Likewise.
 660         * testsuite/26_numerics/transform_inclusive_scan/constexpr.cc:
 661         Likewise.
 662         * testsuite/26_numerics/transform_reduce/constexpr.cc: Likewise.
 663
 664 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
 665
 666         * testsuite/24_iterators/aliases.cc: Remove dg-options
 667         -std=gnu++2a.
 668         * testsuite/24_iterators/associated_types/incrementable.traits.cc:
 669         Likewise.
 670         * testsuite/24_iterators/associated_types/iterator.traits.cc:
 671         Likewise.
 672         * testsuite/24_iterators/associated_types/readable.traits.cc:
 673         Likewise.
 674         * testsuite/24_iterators/back_insert_iterator/constexpr.cc:
 675         Likewise.
 676         * testsuite/24_iterators/back_insert_iterator/pr93884.cc:
 677         Likewise.
 678         * testsuite/24_iterators/bidirectional/concept.cc: Likewise.
 679         * testsuite/24_iterators/common_iterator/1.cc: Likewise.
 680         * testsuite/24_iterators/common_iterator/100823.cc: Likewise.
 681         * testsuite/24_iterators/common_iterator/2.cc: Likewise.
 682         * testsuite/24_iterators/contiguous/concept.cc: Likewise.
 683         * testsuite/24_iterators/contiguous/tag.cc: Likewise.
 684         * testsuite/24_iterators/counted_iterator/1.cc: Likewise.
 685         * testsuite/24_iterators/counted_iterator/lwg3389.cc: Likewise.
 686         * testsuite/24_iterators/counted_iterator/lwg3643.cc: Likewise.
 687         * testsuite/24_iterators/customization_points/92894.cc:
 688         Likewise.
 689         * testsuite/24_iterators/customization_points/iter_move.cc:
 690         Likewise.
 691         * testsuite/24_iterators/customization_points/iter_swap.cc:
 692         Likewise.
 693         * testsuite/24_iterators/customization_points/lwg3420.cc:
 694         Likewise.
 695         * testsuite/24_iterators/forward/concept.cc: Likewise.
 696         * testsuite/24_iterators/front_insert_iterator/constexpr.cc:
 697         Likewise.
 698         * testsuite/24_iterators/front_insert_iterator/pr93884.cc:
 699         Likewise.
 700         * testsuite/24_iterators/headers/iterator/synopsis_c++20.cc:
 701         Likewise.
 702         * testsuite/24_iterators/indirect_callable/92894.cc: Likewise.
 703         * testsuite/24_iterators/indirect_callable/projected-adl.cc:
 704         Likewise.
 705         * testsuite/24_iterators/indirect_callable/projected.cc:
 706         Likewise.
 707         * testsuite/24_iterators/input/concept.cc: Likewise.
 708         * testsuite/24_iterators/insert_iterator/constexpr.cc: Likewise.
 709         * testsuite/24_iterators/istream_iterator/cons/sentinel.cc:
 710         Likewise.
 711         * testsuite/24_iterators/istream_iterator/sentinel.cc: Likewise.
 712         * testsuite/24_iterators/istreambuf_iterator/cons/sentinel.cc:
 713         Likewise.
 714         * testsuite/24_iterators/istreambuf_iterator/sentinel.cc:
 715         Likewise.
 716         * testsuite/24_iterators/move_iterator/cust.cc: Likewise.
 717         * testsuite/24_iterators/move_iterator/dr3435.cc: Likewise.
 718         * testsuite/24_iterators/move_iterator/input_iterator.cc:
 719         Likewise.
 720         * testsuite/24_iterators/move_iterator/lwg3390.cc: Likewise.
 721         * testsuite/24_iterators/move_iterator/lwg3391.cc: Likewise.
 722         * testsuite/24_iterators/move_iterator/move_only.cc: Likewise.
 723         * testsuite/24_iterators/move_iterator/p2520r0.cc: Likewise.
 724         * testsuite/24_iterators/move_iterator/rel_ops_c++20.cc:
 725         Likewise.
 726         * testsuite/24_iterators/move_iterator/sentinel.cc: Likewise.
 727         * testsuite/24_iterators/normal_iterator/cmp_c++20.cc: Likewise.
 728         * testsuite/24_iterators/output/concept.cc: Likewise.
 729         * testsuite/24_iterators/random_access/concept.cc: Likewise.
 730         * testsuite/24_iterators/range_access/range_access_cpp20.cc:
 731         Likewise.
 732         * testsuite/24_iterators/range_access/range_access_cpp20_neg.cc:
 733         Likewise.
 734         * testsuite/24_iterators/range_operations/100768.cc: Likewise.
 735         * testsuite/24_iterators/range_operations/advance.cc: Likewise.
 736         * testsuite/24_iterators/range_operations/advance_overflow.cc:
 737         Likewise.
 738         * testsuite/24_iterators/range_operations/distance.cc: Likewise.
 739         * testsuite/24_iterators/range_operations/lwg3392.cc: Likewise.
 740         * testsuite/24_iterators/range_operations/next.cc: Likewise.
 741         * testsuite/24_iterators/range_operations/prev.cc: Likewise.
 742         * testsuite/24_iterators/reverse_iterator/cust.cc: Likewise.
 743         * testsuite/24_iterators/reverse_iterator/dr3435.cc: Likewise.
 744         * testsuite/24_iterators/reverse_iterator/rel_ops_c++20.cc:
 745         Likewise.
 746
 747 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
 748
 749         * testsuite/23_containers/array/comparison_operators/96851.cc:
 750         Remove dg-options -std=gnu++2a.
 751         * testsuite/23_containers/array/comparison_operators/constexpr.cc:
 752         Likewise.
 753         * testsuite/23_containers/array/creation/1.cc: Likewise.
 754         * testsuite/23_containers/array/creation/110167.cc: Likewise.
 755         * testsuite/23_containers/array/creation/2.cc: Likewise.
 756         * testsuite/23_containers/array/creation/3_neg.cc: Likewise.
 757         * testsuite/23_containers/array/requirements/constexpr_fill.cc:
 758         Likewise.
 759         * testsuite/23_containers/array/requirements/constexpr_swap.cc:
 760         Likewise.
 761         * testsuite/23_containers/deque/48101-3_neg.cc: Likewise.
 762         * testsuite/23_containers/deque/erasure.cc: Likewise.
 763         * testsuite/23_containers/deque/modifiers/emplace/92878_92947.cc:
 764         Likewise.
 765         * testsuite/23_containers/deque/operators/cmp_c++20.cc:
 766         Likewise.
 767         * testsuite/23_containers/forward_list/48101-3_neg.cc: Likewise.
 768         * testsuite/23_containers/forward_list/cmp_c++20.cc: Likewise.
 769         * testsuite/23_containers/forward_list/erasure.cc: Likewise.
 770         * testsuite/23_containers/forward_list/modifiers/92878_92947.cc:
 771         Likewise.
 772         * testsuite/23_containers/forward_list/operations/remove_cxx20_return.cc:
 773         Likewise.
 774         * testsuite/23_containers/forward_list/operations/unique_cxx20_return.cc:
 775         Likewise.
 776         * testsuite/23_containers/list/48101-3_neg.cc: Likewise.
 777         * testsuite/23_containers/list/cmp_c++20.cc: Likewise.
 778         * testsuite/23_containers/list/erasure.cc: Likewise.
 779         * testsuite/23_containers/list/modifiers/emplace/92878_92947.cc:
 780         Likewise.
 781         * testsuite/23_containers/list/operations/remove_cxx20_return.cc:
 782         Likewise.
 783         * testsuite/23_containers/list/operations/unique_cxx20_return.cc:
 784         Likewise.
 785         * testsuite/23_containers/map/48101-3_neg.cc: Likewise.
 786         * testsuite/23_containers/map/erasure.cc: Likewise.
 787         * testsuite/23_containers/map/modifiers/emplace/92878_92947.cc:
 788         Likewise.
 789         * testsuite/23_containers/map/operations/contains.cc: Likewise.
 790         * testsuite/23_containers/map/operators/cmp_c++20.cc: Likewise.
 791         * testsuite/23_containers/multimap/48101-3_neg.cc: Likewise.
 792         * testsuite/23_containers/multimap/modifiers/emplace/92878_92947.cc:
 793         Likewise.
 794         * testsuite/23_containers/multimap/operations/contains.cc:
 795         Likewise.
 796         * testsuite/23_containers/multimap/operators/cmp_c++20.cc:
 797         Likewise.
 798         * testsuite/23_containers/multiset/48101-3_neg.cc: Likewise.
 799         * testsuite/23_containers/multiset/modifiers/emplace/92878_92947.cc:
 800         Likewise.
 801         * testsuite/23_containers/multiset/operations/contains.cc:
 802         Likewise.
 803         * testsuite/23_containers/multiset/operators/cmp_c++20.cc:
 804         Likewise.
 805         * testsuite/23_containers/priority_queue/92878_92947.cc:
 806         Likewise.
 807         * testsuite/23_containers/queue/92878_92947.cc: Likewise.
 808         * testsuite/23_containers/queue/cmp_c++20.cc: Likewise.
 809         * testsuite/23_containers/set/48101-3_neg.cc: Likewise.
 810         * testsuite/23_containers/set/erasure.cc: Likewise.
 811         * testsuite/23_containers/set/modifiers/emplace/92878_92947.cc:
 812         Likewise.
 813         * testsuite/23_containers/set/operations/contains.cc: Likewise.
 814         * testsuite/23_containers/set/operators/cmp_c++20.cc: Likewise.
 815         * testsuite/23_containers/span/1.cc: Likewise.
 816         * testsuite/23_containers/span/101411.cc: Likewise.
 817         * testsuite/23_containers/span/2.cc: Likewise.
 818         * testsuite/23_containers/span/deduction.cc: Likewise.
 819         * testsuite/23_containers/span/explicit.cc: Likewise.
 820         * testsuite/23_containers/span/layout_compat.cc: Likewise.
 821         * testsuite/23_containers/span/lwg3255.cc: Likewise.
 822         * testsuite/23_containers/span/nothrow_cons.cc: Likewise.
 823         * testsuite/23_containers/span/trivially_copyable.cc: Likewise.
 824         * testsuite/23_containers/stack/92878_92947.cc: Likewise.
 825         * testsuite/23_containers/stack/cmp_c++20.cc: Likewise.
 826         * testsuite/23_containers/unordered_map/48101-3_neg.cc:
 827         Likewise.
 828         * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
 829         * testsuite/23_containers/unordered_map/modifiers/92878_92947.cc:
 830         Likewise.
 831         * testsuite/23_containers/unordered_map/operations/1.cc:
 832         Likewise.
 833         * testsuite/23_containers/unordered_map/operations/contains.cc:
 834         Likewise.
 835         * testsuite/23_containers/unordered_multimap/48101-3_neg.cc:
 836         Likewise.
 837         * testsuite/23_containers/unordered_multimap/modifiers/92878_92947.cc:
 838         Likewise.
 839         * testsuite/23_containers/unordered_multimap/operations/1.cc:
 840         Likewise.
 841         * testsuite/23_containers/unordered_multimap/operations/contains.cc:
 842         Likewise.
 843         * testsuite/23_containers/unordered_multiset/48101-3_neg.cc:
 844         Likewise.
 845         * testsuite/23_containers/unordered_multiset/modifiers/92878_92947.cc:
 846         Likewise.
 847         * testsuite/23_containers/unordered_multiset/operations/1.cc:
 848         Likewise.
 849         * testsuite/23_containers/unordered_multiset/operations/contains.cc:
 850         Likewise.
 851         * testsuite/23_containers/unordered_set/48101-3_neg.cc:
 852         Likewise.
 853         * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
 854         * testsuite/23_containers/unordered_set/modifiers/92878_92947.cc:
 855         Likewise.
 856         * testsuite/23_containers/unordered_set/operations/1.cc:
 857         Likewise.
 858         * testsuite/23_containers/unordered_set/operations/contains.cc:
 859         Likewise.
 860         * testsuite/23_containers/vector/48101-3_neg.cc: Likewise.
 861         * testsuite/23_containers/vector/bool/capacity/constexpr.cc:
 862         Likewise.
 863         * testsuite/23_containers/vector/bool/cmp_c++20.cc: Likewise.
 864         * testsuite/23_containers/vector/bool/cons/constexpr.cc:
 865         Likewise.
 866         * testsuite/23_containers/vector/bool/element_access/constexpr.cc:
 867         Likewise.
 868         * testsuite/23_containers/vector/bool/iterator_c++20.cc:
 869         Likewise.
 870         * testsuite/23_containers/vector/bool/modifiers/assign/constexpr.cc:
 871         Likewise.
 872         * testsuite/23_containers/vector/bool/modifiers/constexpr.cc:
 873         Likewise.
 874         * testsuite/23_containers/vector/bool/modifiers/swap/constexpr.cc:
 875         Likewise.
 876         * testsuite/23_containers/vector/capacity/constexpr.cc:
 877         Likewise.
 878         * testsuite/23_containers/vector/cmp_c++20.cc: Likewise.
 879         * testsuite/23_containers/vector/cons/constexpr.cc: Likewise.
 880         * testsuite/23_containers/vector/data_access/constexpr.cc:
 881         Likewise.
 882         * testsuite/23_containers/vector/element_access/constexpr.cc:
 883         Likewise.
 884         * testsuite/23_containers/vector/erasure.cc: Likewise.
 885         * testsuite/23_containers/vector/modifiers/assign/constexpr.cc:
 886         Likewise.
 887         * testsuite/23_containers/vector/modifiers/constexpr.cc:
 888         Likewise.
 889         * testsuite/23_containers/vector/modifiers/emplace/92878_92947.cc:
 890         Likewise.
 891         * testsuite/23_containers/vector/modifiers/swap/constexpr.cc:
 892         Likewise.
 893         * testsuite/23_containers/vector/requirements/version.cc:
 894         Likewise.
 895
 896 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
 897
 898         * testsuite/21_strings/basic_string/cons/char/105995.cc: Remove
 899         dg-options -std=gnu++20.
 900         * testsuite/21_strings/basic_string/cons/char/constexpr.cc:
 901         Likewise.
 902         * testsuite/21_strings/basic_string/cons/wchar_t/constexpr.cc:
 903         Likewise.
 904         * testsuite/21_strings/basic_string/erasure.cc: Likewise.
 905         * testsuite/21_strings/basic_string/hash/hash_char8_t.cc:
 906         Likewise.
 907         * testsuite/21_strings/basic_string/literals/constexpr.cc:
 908         Likewise.
 909         * testsuite/21_strings/basic_string/modifiers/constexpr.cc:
 910         Likewise.
 911         * testsuite/21_strings/basic_string/modifiers/swap/constexpr-wchar_t.cc:
 912         Likewise.
 913         * testsuite/21_strings/basic_string/modifiers/swap/constexpr.cc:
 914         Likewise.
 915         * testsuite/21_strings/basic_string/operations/ends_with/char.cc:
 916         Likewise.
 917         * testsuite/21_strings/basic_string/operations/ends_with/nonnull.cc:
 918         Likewise.
 919         * testsuite/21_strings/basic_string/operations/ends_with/wchar_t.cc:
 920         Likewise.
 921         * testsuite/21_strings/basic_string/operations/starts_with/char.cc:
 922         Likewise.
 923         * testsuite/21_strings/basic_string/operations/starts_with/nonnull.cc:
 924         Likewise.
 925         * testsuite/21_strings/basic_string/operations/starts_with/wchar_t.cc:
 926         Likewise.
 927         * testsuite/21_strings/basic_string/operators/char/cmp_c++20.cc:
 928         Likewise.
 929         * testsuite/21_strings/basic_string/operators/wchar_t/cmp_c++20.cc:
 930         Likewise.
 931         * testsuite/21_strings/basic_string_view/cons/char/range.cc:
 932         Likewise.
 933         * testsuite/21_strings/basic_string_view/operations/copy/char/constexpr.cc:
 934         Likewise.
 935         * testsuite/21_strings/basic_string_view/operations/copy/wchar_t/constexpr.cc:
 936         Likewise.
 937         * testsuite/21_strings/basic_string_view/operations/ends_with/char.cc:
 938         Likewise.
 939         * testsuite/21_strings/basic_string_view/operations/ends_with/nonnull.cc:
 940         Likewise.
 941         * testsuite/21_strings/basic_string_view/operations/ends_with/wchar_t.cc:
 942         Likewise.
 943         * testsuite/21_strings/basic_string_view/operations/starts_with/char.cc:
 944         Likewise.
 945         * testsuite/21_strings/basic_string_view/operations/starts_with/nonnull.cc:
 946         Likewise.
 947         * testsuite/21_strings/basic_string_view/operations/starts_with/wchar_t.cc:
 948         Likewise.
 949         * testsuite/21_strings/basic_string_view/operators/char/cmp_c++20.cc:
 950         Likewise.
 951         * testsuite/21_strings/basic_string_view/operators/wchar_t/cmp_c++20.cc:
 952         Likewise.
 953         * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
 954         Likewise.
 955         * testsuite/21_strings/char_traits/requirements/constexpr_functions_c++20.cc:
 956         Likewise.
 957
 958 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
 959
 960         * testsuite/20_util/allocator/105975.cc: Remove dg-options
 961         -std=gnu++2a.
 962         * testsuite/20_util/allocator/rebind_c++20.cc: Likewise.
 963         * testsuite/20_util/allocator/requirements/constexpr.cc:
 964         Likewise.
 965         * testsuite/20_util/allocator/requirements/typedefs_c++20.cc:
 966         Likewise.
 967         * testsuite/20_util/allocator_traits/header-2.cc: Likewise.
 968         * testsuite/20_util/allocator_traits/header.cc: Likewise.
 969         * testsuite/20_util/allocator_traits/members/92878_92947.cc:
 970         Likewise.
 971         * testsuite/20_util/any/assign/92878_92947.cc: Likewise.
 972         * testsuite/20_util/any/cons/92878_92947.cc: Likewise.
 973         * testsuite/20_util/assume_aligned/1.cc: Likewise.
 974         * testsuite/20_util/assume_aligned/2_neg.cc: Likewise.
 975         * testsuite/20_util/assume_aligned/3.cc: Likewise.
 976         * testsuite/20_util/assume_aligned/97132.cc: Likewise.
 977         * testsuite/20_util/bind/constexpr.cc: Likewise.
 978         * testsuite/20_util/bitset/operations/96303.cc: Likewise.
 979         * testsuite/20_util/common_reference/100894.cc: Likewise.
 980         * testsuite/20_util/common_reference/requirements/alias_decl.cc:
 981         Likewise.
 982         * testsuite/20_util/common_reference/requirements/explicit_instantiation.cc:
 983         Likewise.
 984         * testsuite/20_util/common_reference/requirements/typedefs.cc:
 985         Likewise.
 986         * testsuite/20_util/duration/comparison_operators/three_way.cc:
 987         Likewise.
 988         * testsuite/20_util/exchange/constexpr.cc: Likewise.
 989         * testsuite/20_util/exchange/noexcept.cc: Likewise.
 990         * testsuite/20_util/from_chars/1_c++20_neg.cc: Likewise.
 991         * testsuite/20_util/from_chars/compare.cc: Likewise.
 992         * testsuite/20_util/function_objects/bind_front/1.cc: Likewise.
 993         * testsuite/20_util/function_objects/bind_front/107784.cc:
 994         Likewise.
 995         * testsuite/20_util/function_objects/bind_front/111327.cc:
 996         Likewise.
 997         * testsuite/20_util/function_objects/bind_front/2.cc: Likewise.
 998         * testsuite/20_util/function_objects/bind_front/97101.cc:
 999         Likewise.
1000         * testsuite/20_util/function_objects/bind_front/constexpr.cc:
1001         Likewise.
1002         * testsuite/20_util/function_objects/constexpr_searcher.cc:
1003         Likewise.
1004         * testsuite/20_util/function_objects/identity/1.cc: Likewise.
1005         * testsuite/20_util/function_objects/invoke/constexpr.cc:
1006         Likewise.
1007         * testsuite/20_util/function_objects/mem_fn/constexpr.cc:
1008         Likewise.
1009         * testsuite/20_util/function_objects/not_fn/constexpr.cc:
1010         Likewise.
1011         * testsuite/20_util/integer_comparisons/1.cc: Likewise.
1012         * testsuite/20_util/integer_comparisons/2.cc: Likewise.
1013         * testsuite/20_util/integer_comparisons/equal.cc: Likewise.
1014         * testsuite/20_util/integer_comparisons/equal_neg.cc: Likewise.
1015         * testsuite/20_util/integer_comparisons/greater.cc: Likewise.
1016         * testsuite/20_util/integer_comparisons/greater_equal.cc:
1017         Likewise.
1018         * testsuite/20_util/integer_comparisons/greater_equal_neg.cc:
1019         Likewise.
1020         * testsuite/20_util/integer_comparisons/greater_neg.cc:
1021         Likewise.
1022         * testsuite/20_util/integer_comparisons/in_range.cc: Likewise.
1023         * testsuite/20_util/integer_comparisons/in_range_neg.cc:
1024         Likewise.
1025         * testsuite/20_util/integer_comparisons/less.cc: Likewise.
1026         * testsuite/20_util/integer_comparisons/less_equal.cc: Likewise.
1027         * testsuite/20_util/integer_comparisons/less_equal_neg.cc:
1028         Likewise.
1029         * testsuite/20_util/integer_comparisons/less_neg.cc: Likewise.
1030         * testsuite/20_util/integer_comparisons/not_equal.cc: Likewise.
1031         * testsuite/20_util/integer_comparisons/not_equal_neg.cc:
1032         Likewise.
1033         * testsuite/20_util/is_bounded_array/requirements/explicit_instantiation.cc:
1034         Likewise.
1035         * testsuite/20_util/is_bounded_array/requirements/typedefs.cc:
1036         Likewise.
1037         * testsuite/20_util/is_bounded_array/value.cc: Likewise.
1038         * testsuite/20_util/is_constant_evaluated/1.cc: Likewise.
1039         * testsuite/20_util/is_constant_evaluated/noexcept.cc: Likewise.
1040         * testsuite/20_util/is_constructible/92878_92947.cc: Likewise.
1041         * testsuite/20_util/is_layout_compatible/is_corresponding_member.cc:
1042         Likewise.
1043         * testsuite/20_util/is_layout_compatible/value.cc: Likewise.
1044         * testsuite/20_util/is_layout_compatible/version.cc: Likewise.
1045         * testsuite/20_util/is_nothrow_constructible/value_c++20.cc:
1046         Likewise.
1047         * testsuite/20_util/is_nothrow_convertible/requirements/explicit_instantiation.cc:
1048         Likewise.
1049         * testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc:
1050         Likewise.
1051         * testsuite/20_util/is_nothrow_convertible/value.cc: Likewise.
1052         * testsuite/20_util/is_pod/deprecated-2a.cc: Likewise.
1053         * testsuite/20_util/is_pointer_interconvertible/value.cc:
1054         Likewise.
1055         * testsuite/20_util/is_pointer_interconvertible/version.cc:
1056         Likewise.
1057         * testsuite/20_util/is_pointer_interconvertible/with_class.cc:
1058         Likewise.
1059         * testsuite/20_util/is_unbounded_array/requirements/explicit_instantiation.cc:
1060         Likewise.
1061         * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc:
1062         Likewise.
1063         * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
1064         * testsuite/20_util/optional/assignment/92878_92947.cc:
1065         Likewise.
1066         * testsuite/20_util/optional/cons/92878_92947.cc: Likewise.
1067         * testsuite/20_util/optional/constexpr/assign.cc: Likewise.
1068         * testsuite/20_util/optional/constexpr/cons/conv.cc: Likewise.
1069         * testsuite/20_util/optional/constexpr/modifiers.cc: Likewise.
1070         * testsuite/20_util/optional/constexpr/swap.cc: Likewise.
1071         * testsuite/20_util/optional/relops/96269.cc: Likewise.
1072         * testsuite/20_util/optional/relops/three_way.cc: Likewise.
1073         * testsuite/20_util/pair/comparison_operators/constexpr_c++20.cc:
1074         Likewise.
1075         * testsuite/20_util/pair/cons/92878_92947.cc: Likewise.
1076         * testsuite/20_util/pair/constexpr_assign.cc: Likewise.
1077         * testsuite/20_util/pair/constexpr_swap.cc: Likewise.
1078         * testsuite/20_util/pair/requirements/structural.cc: Likewise.
1079         * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc:
1080         Likewise.
1081         * testsuite/20_util/polymorphic_allocator/allocate_object.cc:
1082         Likewise.
1083         * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc:
1084         Likewise.
1085         * testsuite/20_util/polymorphic_allocator/lwg3237.cc: Likewise.
1086         * testsuite/20_util/reference_wrapper/constexpr.cc: Likewise.
1087         * testsuite/20_util/reference_wrapper/incomplete.cc: Likewise.
1088         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc:
1089         Likewise.
1090         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
1091         Likewise.
1092         * testsuite/20_util/remove_cvref/value.cc: Likewise.
1093         * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:
1094         Likewise.
1095         * testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc:
1096         Likewise.
1097         * testsuite/20_util/shared_ptr/casts/rval.cc: Likewise.
1098         * testsuite/20_util/shared_ptr/comparison/cmp_c++20.cc:
1099         Likewise.
1100         * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Likewise.
1101         * testsuite/20_util/shared_ptr/creation/92878_92947.cc:
1102         Likewise.
1103         * testsuite/20_util/shared_ptr/creation/array.cc: Likewise.
1104         * testsuite/20_util/shared_ptr/creation/overwrite.cc: Likewise.
1105         * testsuite/20_util/shared_ptr/creation/version.cc: Likewise.
1106         * testsuite/20_util/time_point/4.cc: Likewise.
1107         * testsuite/20_util/time_point/comparison_operators/three_way.cc:
1108         Likewise.
1109         * testsuite/20_util/to_address/1.cc: Likewise.
1110         * testsuite/20_util/to_address/1_neg.cc: Likewise.
1111         * testsuite/20_util/to_address/debug.cc: Likewise.
1112         * testsuite/20_util/to_address/lwg3545.cc: Likewise.
1113         * testsuite/20_util/to_chars/compare.cc: Likewise.
1114         * testsuite/20_util/tuple/comparison_operators/three_way.cc:
1115         Likewise.
1116         * testsuite/20_util/tuple/cons/102270.cc: Likewise.
1117         * testsuite/20_util/tuple/cons/constexpr_allocator_arg_t.cc:
1118         Likewise.
1119         * testsuite/20_util/tuple/constexpr_swap.cc: Likewise.
1120         * testsuite/20_util/type_identity/requirements/alias_decl.cc:
1121         Likewise.
1122         * testsuite/20_util/type_identity/requirements/explicit_instantiation.cc:
1123         Likewise.
1124         * testsuite/20_util/type_identity/requirements/typedefs.cc:
1125         Likewise.
1126         * testsuite/20_util/typeindex/comparison_operators_c++20.cc:
1127         Likewise.
1128         * testsuite/20_util/unique_ptr/comparison/compare_c++20.cc:
1129         Likewise.
1130         * testsuite/20_util/unique_ptr/creation/92878_92947.cc:
1131         Likewise.
1132         * testsuite/20_util/unique_ptr/creation/for_overwrite.cc:
1133         Likewise.
1134         * testsuite/20_util/unique_ptr/creation/for_overwrite__neg.cc:
1135         Likewise.
1136         * testsuite/20_util/unique_ptr/io/lwg2948.cc: Likewise.
1137         * testsuite/20_util/unwrap_reference/1.cc: Likewise.
1138         * testsuite/20_util/unwrap_reference/2.cc: Likewise.
1139         * testsuite/20_util/unwrap_reference/3.cc: Likewise.
1140         * testsuite/20_util/uses_allocator/92878_92947.cc: Likewise.
1141         * testsuite/20_util/uses_allocator/lwg3527.cc: Likewise.
1142         * testsuite/20_util/uses_allocator/make_obj.cc: Likewise.
1143         * testsuite/20_util/uses_allocator/uninitialized_construct.cc:
1144         Likewise.
1145         * testsuite/20_util/variant/92878_92947.cc: Likewise.
1146         * testsuite/20_util/variant/95915.cc: Likewise.
1147         * testsuite/20_util/variant/constexpr.cc: Likewise.
1148         * testsuite/20_util/variant/relops/three_way.cc: Likewise.
1149         * testsuite/20_util/variant/visit_neg.cc: Likewise.
1150         * testsuite/20_util/variant/visit_r.cc: Likewise.
1151         * testsuite/20_util/weak_ptr/atomic_weak_ptr.cc: Likewise.
1152
1153 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
1154
1155         * testsuite/18_support/comparisons/algorithms/fallback.cc:
1156         Remove dg-options -std=gnu++2a.
1157         * testsuite/18_support/comparisons/algorithms/partial_order.cc:
1158         Likewise.
1159         * testsuite/18_support/comparisons/algorithms/strong_order.cc:
1160         Likewise.
1161         * testsuite/18_support/comparisons/algorithms/strong_order_floats.cc:
1162         Likewise.
1163         * testsuite/18_support/comparisons/algorithms/weak_order.cc:
1164         Likewise.
1165         * testsuite/18_support/comparisons/categories/94565.cc:
1166         Likewise.
1167         * testsuite/18_support/comparisons/categories/partialord.cc:
1168         Likewise.
1169         * testsuite/18_support/comparisons/categories/strongord.cc:
1170         Likewise.
1171         * testsuite/18_support/comparisons/categories/weakord.cc:
1172         Likewise.
1173         * testsuite/18_support/comparisons/categories/zero_neg.cc:
1174         Likewise.
1175         * testsuite/18_support/comparisons/common/1.cc: Likewise.
1176         * testsuite/18_support/comparisons/object/93479.cc: Likewise.
1177         * testsuite/18_support/comparisons/object/lwg3530.cc: Likewise.
1178
1179 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
1180
1181         * testsuite/29_atomics/atomic/compare_exchange_padding.cc:
1182         Remove dg-options -std=gnu++2a.
1183         * testsuite/29_atomics/atomic/cons/value_init.cc: Likewise.
1184         * testsuite/29_atomics/atomic/lock_free_aliases.cc: Likewise.
1185         * testsuite/29_atomics/atomic/requirements/types_neg.cc:
1186         Likewise.
1187         * testsuite/29_atomics/atomic/wait_notify/1.cc: Likewise.
1188         * testsuite/29_atomics/atomic/wait_notify/100334.cc: Likewise.
1189         * testsuite/29_atomics/atomic/wait_notify/102994.cc: Likewise.
1190         * testsuite/29_atomics/atomic/wait_notify/2.cc: Likewise.
1191         * testsuite/29_atomics/atomic/wait_notify/bool.cc: Likewise.
1192         * testsuite/29_atomics/atomic/wait_notify/generic.cc: Likewise.
1193         * testsuite/29_atomics/atomic/wait_notify/pointers.cc: Likewise.
1194         * testsuite/29_atomics/atomic_flag/cons/value_init.cc: Likewise.
1195         * testsuite/29_atomics/atomic_flag/test/explicit.cc: Likewise.
1196         * testsuite/29_atomics/atomic_flag/test/implicit.cc: Likewise.
1197         * testsuite/29_atomics/atomic_flag/wait_notify/1.cc: Likewise.
1198         * testsuite/29_atomics/atomic_float/1.cc: Likewise.
1199         * testsuite/29_atomics/atomic_float/95282.cc: Likewise.
1200         * testsuite/29_atomics/atomic_float/requirements.cc: Likewise.
1201         * testsuite/29_atomics/atomic_float/value_init.cc: Likewise.
1202         * testsuite/29_atomics/atomic_float/wait_notify.cc: Likewise.
1203         * testsuite/29_atomics/atomic_integral/cons/value_init.cc:
1204         Likewise.
1205         * testsuite/29_atomics/atomic_integral/wait_notify.cc: Likewise.
1206         * testsuite/29_atomics/atomic_ref/compare_exchange_padding.cc:
1207         Likewise.
1208         * testsuite/29_atomics/atomic_ref/deduction.cc: Likewise.
1209         * testsuite/29_atomics/atomic_ref/float.cc: Likewise.
1210         * testsuite/29_atomics/atomic_ref/generic.cc: Likewise.
1211         * testsuite/29_atomics/atomic_ref/integral.cc: Likewise.
1212         * testsuite/29_atomics/atomic_ref/pointer.cc: Likewise.
1213         * testsuite/29_atomics/atomic_ref/requirements.cc: Likewise.
1214         * testsuite/29_atomics/headers/atomic/types_std_c++20.cc:
1215         Likewise.
1216         * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc:
1217         Likewise.
1218         * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc:
1219         Likewise.
1220         * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc:
1221         Likewise.
1222
1223 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
1224
1225         * testsuite/27_io/basic_filebuf/native_handle/char/1.cc: New test.
1226         * testsuite/27_io/basic_filebuf/native_handle/wchar_t/1.cc: New test.
1227
1228 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
1229
1230         * acinclude.m4 (GLIBCXX_CHECK_FILEBUF_NATIVE_HANDLES): New
1231         macro.
1232         * config.h.in: Regenerate.
1233         * config/abi/pre/gnu.ver (GLIBCXX_3.4.32): Export new
1234         basic_filebuf members.
1235         * config/io/basic_file_stdio.cc (__basic_file::native_handle):
1236         Define new function.
1237         * config/io/basic_file_stdio.h (__basic_file::native_handle):
1238         Declare new function.
1239         * configure: Regenerate.
1240         * configure.ac: Use GLIBCXX_CHECK_FILEBUF_NATIVE_HANDLES.
1241         * include/bits/version.def (fstream_native_handles): New macro.
1242         * include/bits/version.h: Regenerate.
1243         * include/std/fstream (basic_filebuf::native_handle)
1244         (basic_fstream::native_handle, basic_ifstream::native_handle)
1245         (basic_ofstream::native_handle): New functions.
1246         * src/c++11/Makefile.am: Move compilation of basic_file.cc,
1247         locale_init.cc and localename.cc to here.
1248         * src/c++11/Makefile.in: Regenerate.
1249         * src/c++98/locale_init.cc: Moved to...
1250         * src/c++11/locale_init.cc: ...here.
1251         * src/c++98/localename.cc: Moved to...
1252         * src/c++11/localename.cc: ...here.
1253         * src/c++98/Makefile.am: Remove basic_file.cc, locale_init.cc
1254         and localename.cc from here.
1255         * src/c++98/Makefile.in: Regenerate.
1256         * testsuite/27_io/basic_filebuf/native_handle/version.cc: New test.
1257         * testsuite/27_io/basic_fstream/native_handle/char/1.cc: New test.
1258         * testsuite/27_io/basic_fstream/native_handle/wchar_t/1.cc: New test.
1259         * testsuite/27_io/basic_ifstream/native_handle/char/1.cc: New test.
1260         * testsuite/27_io/basic_ifstream/native_handle/wchar_t/1.cc: New test.
1261         * testsuite/27_io/basic_ofstream/native_handle/char/1.cc: New test.
1262         * testsuite/27_io/basic_ofstream/native_handle/wchar_t/1.cc: New test.
1263
1264 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
1265
1266         * testsuite/libstdc++-dg/conformance.exp: Add log line when
1267         using testsuite_files.
1268
1269 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
1270
1271         * testsuite/20_util/shared_ptr/atomic/3.cc: Simplify dg
1272         directives.
1273         * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
1274         Likewise.
1275         * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc:
1276         Likewise.
1277         * testsuite/20_util/synchronized_pool_resource/allocate.cc:
1278         Likewise.
1279         * testsuite/20_util/synchronized_pool_resource/allocate_single.cc:
1280         Likewise.
1281         * testsuite/20_util/synchronized_pool_resource/cons.cc:
1282         Likewise.
1283         * testsuite/20_util/synchronized_pool_resource/cons_single.cc:
1284         Likewise.
1285         * testsuite/20_util/synchronized_pool_resource/is_equal.cc:
1286         Likewise.
1287         * testsuite/20_util/synchronized_pool_resource/multithreaded.cc:
1288         Likewise.
1289         * testsuite/20_util/synchronized_pool_resource/options.cc:
1290         Likewise.
1291         * testsuite/20_util/synchronized_pool_resource/release.cc:
1292         Likewise.
1293         * testsuite/20_util/synchronized_pool_resource/release_single.cc:
1294         Likewise.
1295         * testsuite/30_threads/condition_variable_any/stop_token/wait_on.cc:
1296         Likewise.
1297         * testsuite/30_threads/stop_token/stop_callback/deadlock-mt.cc:
1298         Likewise.
1299         * testsuite/30_threads/stop_token/stop_callback/destroy.cc:
1300         Likewise.
1301
1302 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
1303
1304         * testsuite/23_containers/span/back_assert_neg.cc: Remove
1305         dg-options and add effective target selector to dg-do. Add
1306         no_pch.
1307         * testsuite/23_containers/span/back_neg.cc: Likewise.
1308         * testsuite/23_containers/span/cons_1_assert_neg.cc: Likewise.
1309         * testsuite/23_containers/span/cons_2_assert_neg.cc: Likewise.
1310         * testsuite/23_containers/span/first_2_assert_neg.cc: Likewise.
1311         * testsuite/23_containers/span/first_assert_neg.cc: Likewise.
1312         * testsuite/23_containers/span/first_neg.cc: Likewise.
1313         * testsuite/23_containers/span/front_assert_neg.cc: Likewise.
1314         * testsuite/23_containers/span/front_neg.cc: Likewise.
1315         * testsuite/23_containers/span/index_op_assert_neg.cc: Likewise.
1316         * testsuite/23_containers/span/index_op_neg.cc: Likewise.
1317         * testsuite/23_containers/span/last_2_assert_neg.cc: Likewise.
1318         * testsuite/23_containers/span/last_assert_neg.cc: Likewise.
1319         * testsuite/23_containers/span/last_neg.cc: Likewise.
1320         * testsuite/23_containers/span/subspan_2_assert_neg.cc:
1321         Likewise.
1322         * testsuite/23_containers/span/subspan_3_assert_neg.cc:
1323         Likewise.
1324         * testsuite/23_containers/span/subspan_4_assert_neg.cc:
1325         Likewise.
1326         * testsuite/23_containers/span/subspan_5_assert_neg.cc:
1327         Likewise.
1328         * testsuite/23_containers/span/subspan_6_assert_neg.cc:
1329         Likewise.
1330         * testsuite/23_containers/span/subspan_assert_neg.cc: Likewise.
1331         * testsuite/23_containers/span/subspan_neg.cc: Likewise.
1332         * testsuite/24_iterators/range_operations/advance_debug_neg.cc:
1333         Likewise.
1334
1335 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
1336
1337         * testsuite/18_support/headers/limits/synopsis_cxx23.cc: Remove
1338         dg-options.
1339         * testsuite/18_support/headers/stdfloat/types_std.cc: Likewise.
1340         * testsuite/18_support/type_info/constexpr.cc: Likewise.
1341         * testsuite/19_diagnostics/stacktrace/current.cc: Likewise.
1342         * testsuite/19_diagnostics/stacktrace/entry.cc: Likewise.
1343         * testsuite/19_diagnostics/stacktrace/stacktrace.cc: Likewise.
1344         * testsuite/19_diagnostics/stacktrace/synopsis.cc: Likewise.
1345         * testsuite/19_diagnostics/stacktrace/version.cc: Likewise.
1346         * testsuite/20_util/aligned_storage/deprecated-2b.cc: Likewise.
1347         * testsuite/20_util/aligned_union/deprecated-2b.cc: Likewise.
1348         * testsuite/20_util/bitset/access/constexpr.cc: Likewise.
1349         * testsuite/20_util/bitset/cons/constexpr_c++23.cc: Likewise.
1350         * testsuite/20_util/bitset/count/constexpr.cc: Likewise.
1351         * testsuite/20_util/bitset/ext/constexpr.cc: Likewise.
1352         * testsuite/20_util/bitset/operations/constexpr_c++23.cc:
1353         Likewise.
1354         * testsuite/20_util/bitset/version.cc: Likewise.
1355         * testsuite/20_util/from_chars/8.cc: Likewise.
1356         * testsuite/20_util/from_chars/constexpr.cc: Likewise.
1357         * testsuite/20_util/function/cons/deduction_c++23.cc: Likewise.
1358         * testsuite/20_util/function_objects/invoke/4.cc: Likewise.
1359         * testsuite/20_util/function_objects/invoke/dangling_ref.cc:
1360         Likewise.
1361         * testsuite/20_util/is_scoped_enum/value.cc: Likewise.
1362         * testsuite/20_util/is_scoped_enum/version.cc: Likewise.
1363         * testsuite/20_util/move_only_function/call.cc: Likewise.
1364         * testsuite/20_util/move_only_function/cons.cc: Likewise.
1365         * testsuite/20_util/move_only_function/move.cc: Likewise.
1366         * testsuite/20_util/move_only_function/version.cc: Likewise.
1367         * testsuite/20_util/optional/monadic/and_then.cc: Likewise.
1368         * testsuite/20_util/optional/monadic/or_else.cc: Likewise.
1369         * testsuite/20_util/optional/monadic/or_else_neg.cc: Likewise.
1370         * testsuite/20_util/optional/monadic/pr109242.cc: Likewise.
1371         * testsuite/20_util/optional/monadic/transform.cc: Likewise.
1372         * testsuite/20_util/pair/p2321r2.cc: Likewise.
1373         * testsuite/20_util/reference_from_temporary/value.cc: Likewise.
1374         * testsuite/20_util/reference_from_temporary/value2.cc:
1375         Likewise.
1376         * testsuite/20_util/reference_from_temporary/version.cc:
1377         Likewise.
1378         * testsuite/20_util/to_chars/constexpr.cc: Likewise.
1379         * testsuite/20_util/to_chars/float128_c++23.cc: Likewise.
1380         * testsuite/20_util/to_chars/float16_c++23.cc: Likewise.
1381         * testsuite/20_util/to_chars/version.cc: Likewise.
1382         * testsuite/20_util/to_underlying/1.cc: Likewise.
1383         * testsuite/20_util/to_underlying/version.cc: Likewise.
1384         * testsuite/20_util/tuple/p2321r2.cc: Likewise.
1385         * testsuite/20_util/unique_ptr/assign/constexpr.cc: Likewise.
1386         * testsuite/20_util/unique_ptr/comparison/constexpr.cc:
1387         Likewise.
1388         * testsuite/20_util/unique_ptr/cons/constexpr_c++20.cc:
1389         Likewise.
1390         * testsuite/20_util/unique_ptr/creation/constexpr.cc: Likewise.
1391         * testsuite/20_util/unique_ptr/modifiers/constexpr.cc: Likewise.
1392         * testsuite/20_util/unique_ptr/specialized_algorithms/constexpr.cc: Likewise.
1393         * testsuite/20_util/unreachable/1.cc: Likewise.
1394         * testsuite/20_util/unreachable/version.cc: Likewise.
1395         * testsuite/20_util/uses_allocator/lwg3677.cc: Likewise.
1396         * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc: Likewise.
1397         * testsuite/21_strings/basic_string/operations/contains/char.cc:
1398         Likewise.
1399         * testsuite/21_strings/basic_string/operations/contains/nonnull.cc: Likewise.
1400         * testsuite/21_strings/basic_string/operations/contains/wchar_t.cc: Likewise.
1401         * testsuite/21_strings/basic_string_view/cons/char/range_c++20.cc: Likewise.
1402         * testsuite/21_strings/basic_string_view/cons/wchar_t/range_c++20.cc: Likewise.
1403         * testsuite/21_strings/basic_string_view/operations/contains/char.cc: Likewise.
1404         * testsuite/21_strings/basic_string_view/operations/contains/char/2.cc: Likewise.
1405         * testsuite/21_strings/basic_string_view/operations/contains/nonnull.cc: Likewise.
1406         * testsuite/21_strings/basic_string_view/operations/contains/wchar_t.cc: Likewise.
1407         * testsuite/23_containers/queue/cons_from_iters.cc: Likewise.
1408         * testsuite/23_containers/stack/cons_from_iters.cc: Likewise.
1409         * testsuite/23_containers/vector/bool/element_access/1.cc:
1410         Likewise.
1411         * testsuite/24_iterators/const_iterator/1.cc: Likewise.
1412         * testsuite/25_algorithms/contains/1.cc: Likewise.
1413         * testsuite/25_algorithms/contains_subrange/1.cc: Likewise.
1414         * testsuite/25_algorithms/find_last/1.cc: Likewise.
1415         * testsuite/25_algorithms/find_last_if/1.cc: Likewise.
1416         * testsuite/25_algorithms/find_last_if_not/1.cc: Likewise.
1417         * testsuite/25_algorithms/fold_left/1.cc: Likewise.
1418         * testsuite/25_algorithms/fold_right/1.cc: Likewise.
1419         * testsuite/25_algorithms/iota/1.cc: Likewise.
1420         * testsuite/26_numerics/bit/bit.byteswap/byteswap.cc: Likewise.
1421         * testsuite/26_numerics/bit/bit.byteswap/version.cc: Likewise.
1422         * testsuite/26_numerics/complex/ext_c++23.cc: Likewise.
1423         * testsuite/26_numerics/headers/cmath/c99_classification_macros_c++23.cc: Likewise.
1424         * testsuite/26_numerics/headers/cmath/constexpr_std_c++23.cc:
1425         Likewise.
1426         * testsuite/26_numerics/headers/cmath/functions_std_c++23.cc:
1427         Likewise.
1428         * testsuite/26_numerics/headers/cmath/nextafter_c++23.cc:
1429         Likewise.
1430         * testsuite/26_numerics/numbers/4.cc: Likewise.
1431         * testsuite/27_io/basic_ostream/inserters_other/char/volatile_ptr.cc: Likewise.
1432         * testsuite/27_io/filesystem/path/native/conv_c++23.cc:
1433         Likewise.
1434         * testsuite/27_io/spanstream/1.cc: Likewise.
1435         * testsuite/27_io/spanstream/2.cc: Likewise.
1436         * testsuite/27_io/spanstream/version.cc: Likewise.
1437         * testsuite/29_atomics/atomic_float/requirements_cxx23.cc:
1438         Likewise.
1439         * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc:
1440         Likewise.
1441         * testsuite/29_atomics/headers/stdatomic.h/version.cc: Likewise.
1442         * testsuite/30_threads/packaged_task/cons/deduction_c++23.cc:
1443         Likewise.
1444         * testsuite/experimental/filesystem/path/native/conv_c++23.cc:
1445         Likewise.
1446         * testsuite/std/ranges/adaptors/adjacent/1.cc: Likewise.
1447         * testsuite/std/ranges/adaptors/adjacent_transform/1.cc:
1448         Likewise.
1449         * testsuite/std/ranges/adaptors/as_const/1.cc: Likewise.
1450         * testsuite/std/ranges/adaptors/as_rvalue/1.cc: Likewise.
1451         * testsuite/std/ranges/adaptors/chunk/1.cc: Likewise.
1452         * testsuite/std/ranges/adaptors/chunk_by/1.cc: Likewise.
1453         * testsuite/std/ranges/adaptors/enumerate/1.cc: Likewise.
1454         * testsuite/std/ranges/adaptors/join_with/1.cc: Likewise.
1455         * testsuite/std/ranges/adaptors/lwg3715.cc: Likewise.
1456         * testsuite/std/ranges/adaptors/slide/1.cc: Likewise.
1457         * testsuite/std/ranges/adaptors/stride/1.cc: Likewise.
1458         * testsuite/std/ranges/cartesian_product/1.cc: Likewise.
1459         * testsuite/std/ranges/range_adaptor_closure.cc: Likewise.
1460         * testsuite/std/ranges/repeat/1.cc: Likewise.
1461         * testsuite/std/ranges/version_c++23.cc: Likewise.
1462         * testsuite/std/ranges/zip/1.cc: Likewise.
1463         * testsuite/std/ranges/zip_transform/1.cc: Likewise.
1464
1465 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
1466
1467         * testsuite/20_util/expected/assign.cc: Remove dg-options.
1468         * testsuite/20_util/expected/bad.cc: Likewise.
1469         * testsuite/20_util/expected/cons.cc: Likewise.
1470         * testsuite/20_util/expected/equality.cc: Likewise.
1471         * testsuite/20_util/expected/illformed_neg.cc: Likewise.
1472         * testsuite/20_util/expected/lwg3877.cc: Likewise.
1473         * testsuite/20_util/expected/lwg3938.cc: Likewise.
1474         * testsuite/20_util/expected/monadic.cc: Likewise.
1475         * testsuite/20_util/expected/observers.cc: Likewise.
1476         * testsuite/20_util/expected/requirements.cc: Likewise.
1477         * testsuite/20_util/expected/swap.cc: Likewise.
1478         * testsuite/20_util/expected/synopsis.cc: Likewise.
1479         * testsuite/20_util/expected/unexpected.cc: Likewise.
1480         * testsuite/20_util/expected/version.cc: Likewise.
1481
1482 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
1483
1484         * testsuite/20_util/duration/arithmetic/overflow_c++20.cc:
1485         Remove dg-options.
1486         * testsuite/20_util/duration/io.cc: Likewise.
1487         * testsuite/std/time/clock/file/io.cc: Likewise.
1488         * testsuite/std/time/clock/file/members.cc: Likewise.
1489         * testsuite/std/time/clock/file/overview.cc: Likewise.
1490         * testsuite/std/time/clock/gps/1.cc: Likewise.
1491         * testsuite/std/time/clock/gps/io.cc: Likewise.
1492         * testsuite/std/time/clock/local/io.cc: Likewise.
1493         * testsuite/std/time/clock/system/io.cc: Likewise.
1494         * testsuite/std/time/clock/tai/1.cc: Likewise.
1495         * testsuite/std/time/clock/tai/io.cc: Likewise.
1496         * testsuite/std/time/clock/utc/1.cc: Likewise.
1497         * testsuite/std/time/clock/utc/io.cc: Likewise.
1498         * testsuite/std/time/clock/utc/leap_second_info.cc: Likewise.
1499         * testsuite/std/time/day/1.cc: Likewise.
1500         * testsuite/std/time/day/io.cc: Likewise.
1501         * testsuite/std/time/exceptions.cc: Likewise.
1502         * testsuite/std/time/format.cc: Likewise.
1503         * testsuite/std/time/hh_mm_ss/1.cc: Likewise.
1504         * testsuite/std/time/hh_mm_ss/109772.cc: Likewise.
1505         * testsuite/std/time/hh_mm_ss/io.cc: Likewise.
1506         * testsuite/std/time/is_am/1.cc: Likewise.
1507         * testsuite/std/time/is_pm/1.cc: Likewise.
1508         * testsuite/std/time/make12/1.cc: Likewise.
1509         * testsuite/std/time/make24/1.cc: Likewise.
1510         * testsuite/std/time/month/1.cc: Likewise.
1511         * testsuite/std/time/month/io.cc: Likewise.
1512         * testsuite/std/time/month_day/1.cc: Likewise.
1513         * testsuite/std/time/month_day/io.cc: Likewise.
1514         * testsuite/std/time/month_day_last/1.cc: Likewise.
1515         * testsuite/std/time/month_day_last/io.cc: Likewise.
1516         * testsuite/std/time/month_weekday/1.cc: Likewise.
1517         * testsuite/std/time/month_weekday/io.cc: Likewise.
1518         * testsuite/std/time/month_weekday_last/1.cc: Likewise.
1519         * testsuite/std/time/month_weekday_last/io.cc: Likewise.
1520         * testsuite/std/time/parse.cc: Likewise.
1521         * testsuite/std/time/syn_c++20.cc: Likewise.
1522         * testsuite/std/time/time_zone/get_info_local.cc: Likewise.
1523         * testsuite/std/time/time_zone/get_info_sys.cc: Likewise.
1524         * testsuite/std/time/time_zone/requirements.cc: Likewise.
1525         * testsuite/std/time/traits/is_clock.cc: Likewise.
1526         * testsuite/std/time/tzdb/1.cc: Likewise.
1527         * testsuite/std/time/tzdb/leap_seconds.cc: Likewise.
1528         * testsuite/std/time/tzdb_list/1.cc: Likewise.
1529         * testsuite/std/time/tzdb_list/requirements.cc: Likewise.
1530         * testsuite/std/time/weekday/1.cc: Likewise.
1531         * testsuite/std/time/weekday/io.cc: Likewise.
1532         * testsuite/std/time/weekday_indexed/io.cc: Likewise.
1533         * testsuite/std/time/weekday_last/1.cc: Likewise.
1534         * testsuite/std/time/weekday_last/io.cc: Likewise.
1535         * testsuite/std/time/year/1.cc: Likewise.
1536         * testsuite/std/time/year/2.cc: Likewise.
1537         * testsuite/std/time/year/io.cc: Likewise.
1538         * testsuite/std/time/weekday_indexed/1.cc: Likewise.
1539         * testsuite/std/time/year_month/1.cc: Likewise.
1540         * testsuite/std/time/year_month/2.cc: Likewise.
1541         * testsuite/std/time/year_month/io.cc: Likewise.
1542         * testsuite/std/time/year_month_day/1.cc: Likewise.
1543         * testsuite/std/time/year_month_day/2.cc: Likewise.
1544         * testsuite/std/time/year_month_day/3.cc: Likewise.
1545         * testsuite/std/time/year_month_day/4.cc: Likewise.
1546         * testsuite/std/time/year_month_day/io.cc: Likewise.
1547         * testsuite/std/time/year_month_day_last/1.cc: Likewise.
1548         * testsuite/std/time/year_month_day_last/2.cc: Likewise.
1549         * testsuite/std/time/year_month_day_last/io.cc: Likewise.
1550         * testsuite/std/time/year_month_weekday/1.cc: Likewise.
1551         * testsuite/std/time/year_month_weekday/2.cc: Likewise.
1552         * testsuite/std/time/year_month_weekday/3.cc: Likewise.
1553         * testsuite/std/time/year_month_weekday/io.cc: Likewise.
1554         * testsuite/std/time/year_month_weekday_last/1.cc: Likewise.
1555         * testsuite/std/time/year_month_weekday_last/2.cc: Likewise.
1556         * testsuite/std/time/year_month_weekday_last/io.cc: Likewise.
1557         * testsuite/std/time/zoned_time/1.cc: Likewise.
1558         * testsuite/std/time/zoned_time/custom.cc: Likewise.
1559         * testsuite/std/time/zoned_time/deduction.cc: Likewise.
1560         * testsuite/std/time/zoned_time/io.cc: Likewise.
1561         * testsuite/std/time/zoned_time/req_neg.cc: Likewise.
1562         * testsuite/std/time/zoned_time/requirements.cc: Likewise.
1563         * testsuite/std/time/zoned_traits.cc: Likewise.
1564
1565 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
1566
1567         * testsuite/std/format/arguments/args.cc: Remove dg-options.
1568         * testsuite/std/format/arguments/lwg3810.cc: Likewise.
1569         * testsuite/std/format/error.cc: Likewise.
1570         * testsuite/std/format/format_string.cc: Likewise.
1571         * testsuite/std/format/formatter/concept.cc: Likewise.
1572         * testsuite/std/format/formatter/ext_float.cc: Likewise.
1573         * testsuite/std/format/formatter/requirements.cc: Likewise.
1574         * testsuite/std/format/functions/107871.cc: Likewise.
1575         * testsuite/std/format/functions/format.cc: Likewise.
1576         * testsuite/std/format/functions/format_to.cc: Likewise.
1577         * testsuite/std/format/functions/format_to_n.cc: Likewise.
1578         * testsuite/std/format/functions/size.cc: Likewise.
1579         * testsuite/std/format/functions/vformat_to.cc: Likewise.
1580         * testsuite/std/format/parse_ctx.cc: Likewise.
1581         * testsuite/std/format/string.cc: Likewise.
1582         * testsuite/std/format/string_neg.cc: Likewise.
1583         * testsuite/std/format/functions/format_c++23.cc: Removed.
1584
1585 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
1586
1587         * testsuite/20_util/function_objects/range.cmp/equal_to.cc:
1588         Remove dg-options.
1589         * testsuite/20_util/function_objects/range.cmp/greater.cc:
1590         Likewise.
1591         * testsuite/20_util/function_objects/range.cmp/greater_equal.cc:
1592         Likewise.
1593         * testsuite/20_util/function_objects/range.cmp/less.cc:
1594         Likewise.
1595         * testsuite/20_util/function_objects/range.cmp/less_equal.cc:
1596         Likewise.
1597         * testsuite/20_util/function_objects/range.cmp/lwg3530.cc:
1598         Likewise.
1599         * testsuite/20_util/function_objects/range.cmp/not_equal_to.cc:
1600         Likewise.
1601         * testsuite/20_util/specialized_algorithms/construct_at/1.cc:
1602         Likewise.
1603         * testsuite/20_util/specialized_algorithms/construct_at/92878_92947.cc:
1604         Likewise.
1605         * testsuite/20_util/specialized_algorithms/construct_at/95788.cc:
1606         Likewise.
1607         * testsuite/20_util/specialized_algorithms/destroy/constrained.cc:
1608         Likewise.
1609         * testsuite/20_util/specialized_algorithms/uninitialized_copy/constrained.cc:
1610         Likewise.
1611         * testsuite/20_util/specialized_algorithms/uninitialized_default_construct/constrained.cc:
1612         Likewise.
1613         * testsuite/20_util/specialized_algorithms/uninitialized_fill/94017.cc:
1614         Likewise.
1615         * testsuite/20_util/specialized_algorithms/uninitialized_fill/constrained.cc:
1616         Likewise.
1617         * testsuite/20_util/specialized_algorithms/uninitialized_fill_n/94017.cc:
1618         Likewise.
1619         * testsuite/20_util/specialized_algorithms/uninitialized_move/constrained.cc:
1620         Likewise.
1621         * testsuite/20_util/specialized_algorithms/uninitialized_value_construct/constrained.cc:
1622         Likewise.
1623         * testsuite/25_algorithms/adjacent_find/constexpr.cc: Likewise.
1624         * testsuite/25_algorithms/adjacent_find/constrained.cc:
1625         Likewise.
1626         * testsuite/25_algorithms/all_of/constexpr.cc: Likewise.
1627         * testsuite/25_algorithms/all_of/constrained.cc: Likewise.
1628         * testsuite/25_algorithms/any_of/constexpr.cc: Likewise.
1629         * testsuite/25_algorithms/any_of/constrained.cc: Likewise.
1630         * testsuite/25_algorithms/binary_search/constexpr.cc: Likewise.
1631         * testsuite/25_algorithms/binary_search/constrained.cc:
1632         Likewise.
1633         * testsuite/25_algorithms/clamp/constrained.cc: Likewise.
1634         * testsuite/25_algorithms/constexpr_macro.cc: Likewise.
1635         * testsuite/25_algorithms/copy/95578.cc: Likewise.
1636         * testsuite/25_algorithms/copy/constexpr.cc: Likewise.
1637         * testsuite/25_algorithms/copy/constrained.cc: Likewise.
1638         * testsuite/25_algorithms/copy/debug/constexpr_neg.cc: Likewise.
1639         * testsuite/25_algorithms/copy_backward/95578.cc: Likewise.
1640         * testsuite/25_algorithms/copy_backward/constexpr.cc: Likewise.
1641         * testsuite/25_algorithms/copy_backward/constrained.cc:
1642         Likewise.
1643         * testsuite/25_algorithms/copy_backward/debug/constexpr_neg.cc:
1644         Likewise.
1645         * testsuite/25_algorithms/copy_if/constexpr.cc: Likewise.
1646         * testsuite/25_algorithms/copy_if/constrained.cc: Likewise.
1647         * testsuite/25_algorithms/copy_n/constexpr.cc: Likewise.
1648         * testsuite/25_algorithms/copy_n/constrained.cc: Likewise.
1649         * testsuite/25_algorithms/count/constexpr.cc: Likewise.
1650         * testsuite/25_algorithms/count/constrained.cc: Likewise.
1651         * testsuite/25_algorithms/count_if/constexpr.cc: Likewise.
1652         * testsuite/25_algorithms/count_if/constrained.cc: Likewise.
1653         * testsuite/25_algorithms/cpp_lib_constexpr.cc: Likewise.
1654         * testsuite/25_algorithms/equal/95578.cc: Likewise.
1655         * testsuite/25_algorithms/equal/constexpr.cc: Likewise.
1656         * testsuite/25_algorithms/equal/constexpr_neg.cc: Likewise.
1657         * testsuite/25_algorithms/equal/constrained.cc: Likewise.
1658         * testsuite/25_algorithms/equal/debug/constexpr_neg.cc:
1659         Likewise.
1660         * testsuite/25_algorithms/equal_range/constexpr.cc: Likewise.
1661         * testsuite/25_algorithms/equal_range/constrained.cc: Likewise.
1662         * testsuite/25_algorithms/fill/94017.cc: Likewise.
1663         * testsuite/25_algorithms/fill/constexpr.cc: Likewise.
1664         * testsuite/25_algorithms/fill/constrained.cc: Likewise.
1665         * testsuite/25_algorithms/fill_n/94017.cc: Likewise.
1666         * testsuite/25_algorithms/fill_n/constexpr.cc: Likewise.
1667         * testsuite/25_algorithms/fill_n/constrained.cc: Likewise.
1668         * testsuite/25_algorithms/find/constexpr.cc: Likewise.
1669         * testsuite/25_algorithms/find/constrained.cc: Likewise.
1670         * testsuite/25_algorithms/find_end/constexpr.cc: Likewise.
1671         * testsuite/25_algorithms/find_end/constrained.cc: Likewise.
1672         * testsuite/25_algorithms/find_first_of/constexpr.cc: Likewise.
1673         * testsuite/25_algorithms/find_first_of/constrained.cc:
1674         Likewise.
1675         * testsuite/25_algorithms/find_if/constexpr.cc: Likewise.
1676         * testsuite/25_algorithms/find_if/constrained.cc: Likewise.
1677         * testsuite/25_algorithms/find_if_not/constexpr.cc: Likewise.
1678         * testsuite/25_algorithms/find_if_not/constrained.cc: Likewise.
1679         * testsuite/25_algorithms/for_each/constexpr.cc: Likewise.
1680         * testsuite/25_algorithms/for_each/constrained.cc: Likewise.
1681         * testsuite/25_algorithms/generate/constexpr.cc: Likewise.
1682         * testsuite/25_algorithms/generate/constrained.cc: Likewise.
1683         * testsuite/25_algorithms/generate_n/constexpr.cc: Likewise.
1684         * testsuite/25_algorithms/generate_n/constrained.cc: Likewise.
1685         * testsuite/25_algorithms/heap/constrained.cc: Likewise.
1686         * testsuite/25_algorithms/includes/constrained.cc: Likewise.
1687         * testsuite/25_algorithms/inplace_merge/constrained.cc:
1688         Likewise.
1689         * testsuite/25_algorithms/is_heap/constexpr.cc: Likewise.
1690         * testsuite/25_algorithms/is_heap_until/constexpr.cc: Likewise.
1691         * testsuite/25_algorithms/is_partitioned/constexpr.cc: Likewise.
1692         * testsuite/25_algorithms/is_partitioned/constrained.cc:
1693         Likewise.
1694         * testsuite/25_algorithms/is_permutation/constexpr.cc: Likewise.
1695         * testsuite/25_algorithms/is_permutation/constrained.cc:
1696         Likewise.
1697         * testsuite/25_algorithms/is_sorted/constexpr.cc: Likewise.
1698         * testsuite/25_algorithms/is_sorted/constrained.cc: Likewise.
1699         * testsuite/25_algorithms/is_sorted_until/constexpr.cc:
1700         Likewise.
1701         * testsuite/25_algorithms/is_sorted_until/constrained.cc:
1702         Likewise.
1703         * testsuite/25_algorithms/iter_swap/constexpr.cc: Likewise.
1704         * testsuite/25_algorithms/lexicographical_compare/93972.cc:
1705         Likewise.
1706         * testsuite/25_algorithms/lexicographical_compare/95578.cc:
1707         Likewise.
1708         * testsuite/25_algorithms/lexicographical_compare/constexpr.cc:
1709         Likewise.
1710         * testsuite/25_algorithms/lexicographical_compare/constrained.cc:
1711         Likewise.
1712         * testsuite/25_algorithms/lexicographical_compare_three_way/1.cc:
1713         Likewise.
1714         * testsuite/25_algorithms/lexicographical_compare_three_way/constexpr.cc:
1715         Likewise.
1716         * testsuite/25_algorithms/lower_bound/constexpr.cc: Likewise.
1717         * testsuite/25_algorithms/lower_bound/constrained.cc: Likewise.
1718         * testsuite/25_algorithms/lower_bound/debug/constexpr_partitioned_neg.cc:
1719         Likewise.
1720         * testsuite/25_algorithms/lower_bound/debug/constexpr_partitioned_pred_neg.cc:
1721         Likewise.
1722         * testsuite/25_algorithms/lower_bound/debug/constexpr_valid_range_neg.cc:
1723         Likewise.
1724         * testsuite/25_algorithms/make_heap/constexpr.cc: Likewise.
1725         * testsuite/25_algorithms/max/constrained.cc: Likewise.
1726         * testsuite/25_algorithms/max_element/constrained.cc: Likewise.
1727         * testsuite/25_algorithms/merge/constexpr.cc: Likewise.
1728         * testsuite/25_algorithms/merge/constrained.cc: Likewise.
1729         * testsuite/25_algorithms/min/constrained.cc: Likewise.
1730         * testsuite/25_algorithms/min_element/constrained.cc: Likewise.
1731         * testsuite/25_algorithms/minmax/constrained.cc: Likewise.
1732         * testsuite/25_algorithms/minmax_element/constrained.cc:
1733         Likewise.
1734         * testsuite/25_algorithms/mismatch/constexpr.cc: Likewise.
1735         * testsuite/25_algorithms/mismatch/constrained.cc: Likewise.
1736         * testsuite/25_algorithms/move/93872.cc: Likewise.
1737         * testsuite/25_algorithms/move/95578.cc: Likewise.
1738         * testsuite/25_algorithms/move/constexpr.cc: Likewise.
1739         * testsuite/25_algorithms/move/constrained.cc: Likewise.
1740         * testsuite/25_algorithms/move_backward/93872.cc: Likewise.
1741         * testsuite/25_algorithms/move_backward/95578.cc: Likewise.
1742         * testsuite/25_algorithms/move_backward/constrained.cc:
1743         Likewise.
1744         * testsuite/25_algorithms/next_permutation/constexpr.cc:
1745         Likewise.
1746         * testsuite/25_algorithms/next_permutation/constrained.cc:
1747         Likewise.
1748         * testsuite/25_algorithms/none_of/constexpr.cc: Likewise.
1749         * testsuite/25_algorithms/none_of/constrained.cc: Likewise.
1750         * testsuite/25_algorithms/nth_element/constexpr.cc: Likewise.
1751         * testsuite/25_algorithms/nth_element/constrained.cc: Likewise.
1752         * testsuite/25_algorithms/partial_sort/constexpr.cc: Likewise.
1753         * testsuite/25_algorithms/partial_sort/constrained.cc: Likewise.
1754         * testsuite/25_algorithms/partial_sort_copy/constexpr.cc:
1755         Likewise.
1756         * testsuite/25_algorithms/partial_sort_copy/constrained.cc:
1757         Likewise.
1758         * testsuite/25_algorithms/partition/constexpr.cc: Likewise.
1759         * testsuite/25_algorithms/partition/constrained.cc: Likewise.
1760         * testsuite/25_algorithms/partition_copy/constexpr.cc: Likewise.
1761         * testsuite/25_algorithms/partition_copy/constrained.cc:
1762         Likewise.
1763         * testsuite/25_algorithms/partition_point/constexpr.cc:
1764         Likewise.
1765         * testsuite/25_algorithms/partition_point/constrained.cc:
1766         Likewise.
1767         * testsuite/25_algorithms/pop_heap/constexpr.cc: Likewise.
1768         * testsuite/25_algorithms/prev_permutation/constexpr.cc:
1769         Likewise.
1770         * testsuite/25_algorithms/prev_permutation/constrained.cc:
1771         Likewise.
1772         * testsuite/25_algorithms/push_heap/constexpr.cc: Likewise.
1773         * testsuite/25_algorithms/remove/constexpr.cc: Likewise.
1774         * testsuite/25_algorithms/remove/constrained.cc: Likewise.
1775         * testsuite/25_algorithms/remove_copy/constexpr.cc: Likewise.
1776         * testsuite/25_algorithms/remove_copy/constrained.cc: Likewise.
1777         * testsuite/25_algorithms/remove_copy_if/constexpr.cc: Likewise.
1778         * testsuite/25_algorithms/remove_copy_if/constrained.cc:
1779         Likewise.
1780         * testsuite/25_algorithms/remove_if/constexpr.cc: Likewise.
1781         * testsuite/25_algorithms/remove_if/constrained.cc: Likewise.
1782         * testsuite/25_algorithms/replace/constrained.cc: Likewise.
1783         * testsuite/25_algorithms/replace_copy/constexpr.cc: Likewise.
1784         * testsuite/25_algorithms/replace_copy/constrained.cc: Likewise.
1785         * testsuite/25_algorithms/replace_copy_if/constexpr.cc:
1786         Likewise.
1787         * testsuite/25_algorithms/replace_copy_if/constrained.cc:
1788         Likewise.
1789         * testsuite/25_algorithms/replace_if/constexpr.cc: Likewise.
1790         * testsuite/25_algorithms/replace_if/constrained.cc: Likewise.
1791         * testsuite/25_algorithms/reverse/constexpr.cc: Likewise.
1792         * testsuite/25_algorithms/reverse/constrained.cc: Likewise.
1793         * testsuite/25_algorithms/reverse_copy/constexpr.cc: Likewise.
1794         * testsuite/25_algorithms/reverse_copy/constrained.cc: Likewise.
1795         * testsuite/25_algorithms/rotate/constexpr.cc: Likewise.
1796         * testsuite/25_algorithms/rotate/constrained.cc: Likewise.
1797         * testsuite/25_algorithms/rotate_copy/constexpr.cc: Likewise.
1798         * testsuite/25_algorithms/rotate_copy/constrained.cc: Likewise.
1799         * testsuite/25_algorithms/sample/constrained.cc: Likewise.
1800         * testsuite/25_algorithms/search/constexpr.cc: Likewise.
1801         * testsuite/25_algorithms/search/constrained.cc: Likewise.
1802         * testsuite/25_algorithms/search_n/97828.cc: Likewise.
1803         * testsuite/25_algorithms/search_n/constexpr.cc: Likewise.
1804         * testsuite/25_algorithms/search_n/constrained.cc: Likewise.
1805         * testsuite/25_algorithms/set_difference/constexpr.cc: Likewise.
1806         * testsuite/25_algorithms/set_difference/constrained.cc:
1807         Likewise.
1808         * testsuite/25_algorithms/set_intersection/constexpr.cc:
1809         Likewise.
1810         * testsuite/25_algorithms/set_intersection/constrained.cc:
1811         Likewise.
1812         * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc:
1813         Likewise.
1814         * testsuite/25_algorithms/set_symmetric_difference/constrained.cc:
1815         Likewise.
1816         * testsuite/25_algorithms/set_union/constexpr.cc: Likewise.
1817         * testsuite/25_algorithms/set_union/constrained.cc: Likewise.
1818         * testsuite/25_algorithms/shift_left/1.cc: Likewise.
1819         * testsuite/25_algorithms/shift_right/1.cc: Likewise.
1820         * testsuite/25_algorithms/shuffle/constrained.cc: Likewise.
1821         * testsuite/25_algorithms/sort/constexpr.cc: Likewise.
1822         * testsuite/25_algorithms/sort/constrained.cc: Likewise.
1823         * testsuite/25_algorithms/sort_heap/constexpr.cc: Likewise.
1824         * testsuite/25_algorithms/stable_partition/constrained.cc:
1825         Likewise.
1826         * testsuite/25_algorithms/stable_sort/constrained.cc: Likewise.
1827         * testsuite/25_algorithms/swap/constexpr.cc: Likewise.
1828         * testsuite/25_algorithms/swap_ranges/constexpr.cc: Likewise.
1829         * testsuite/25_algorithms/swap_ranges/constrained.cc: Likewise.
1830         * testsuite/25_algorithms/transform/constexpr.cc: Likewise.
1831         * testsuite/25_algorithms/transform/constrained.cc: Likewise.
1832         * testsuite/25_algorithms/unique/constexpr.cc: Likewise.
1833         * testsuite/25_algorithms/unique/constrained.cc: Likewise.
1834         * testsuite/25_algorithms/unique_copy/constexpr.cc: Likewise.
1835         * testsuite/25_algorithms/unique_copy/constrained.cc: Likewise.
1836         * testsuite/25_algorithms/upper_bound/constexpr.cc: Likewise.
1837         * testsuite/25_algorithms/upper_bound/constrained.cc: Likewise.
1838         * testsuite/25_algorithms/upper_bound/debug/constexpr_partitioned_neg.cc:
1839         Likewise.
1840         * testsuite/25_algorithms/upper_bound/debug/constexpr_partitioned_pred_neg.cc:
1841         Likewise.
1842         * testsuite/25_algorithms/upper_bound/debug/constexpr_valid_range_neg.cc:
1843         Likewise.
1844
1845 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
1846
1847         * testsuite/std/concepts/1.cc: Remove dg-options.
1848         * testsuite/std/concepts/2.cc: Likewise.
1849         * testsuite/std/concepts/concepts.callable/invocable.cc:
1850         Likewise.
1851         * testsuite/std/concepts/concepts.callable/regular_invocable.cc:
1852         Likewise.
1853         * testsuite/std/concepts/concepts.callable/relation.cc:
1854         Likewise.
1855         * testsuite/std/concepts/concepts.callable/strictweakorder.cc:
1856         Likewise.
1857         * testsuite/std/concepts/concepts.lang/concept.arithmetic/floating_point.cc: Likewise.
1858         * testsuite/std/concepts/concepts.lang/concept.arithmetic/integral.cc: Likewise.
1859         * testsuite/std/concepts/concepts.lang/concept.arithmetic/signed_integral.cc: Likewise.
1860         * testsuite/std/concepts/concepts.lang/concept.arithmetic/unsigned_integral.cc: Likewise.
1861         * testsuite/std/concepts/concepts.lang/concept.assignable/1.cc:
1862         Likewise.
1863         * testsuite/std/concepts/concepts.lang/concept.common/1.cc:
1864         Likewise.
1865         * testsuite/std/concepts/concepts.lang/concept.commonref/1.cc:
1866         Likewise.
1867         * testsuite/std/concepts/concepts.lang/concept.constructible/1.cc: Likewise.
1868         * testsuite/std/concepts/concepts.lang/concept.convertible/1.cc:
1869         Likewise.
1870         * testsuite/std/concepts/concepts.lang/concept.copyconstructible/1.cc: Likewise.
1871         * testsuite/std/concepts/concepts.lang/concept.defaultinitializable/1.cc: Likewise.
1872         * testsuite/std/concepts/concepts.lang/concept.defaultinitializable/lwg3149.cc: Likewise.
1873         * testsuite/std/concepts/concepts.lang/concept.derived/1.cc:
1874         Likewise.
1875         * testsuite/std/concepts/concepts.lang/concept.destructible/1.cc: Likewise.
1876         * testsuite/std/concepts/concepts.lang/concept.moveconstructible/1.cc: Likewise.
1877         * testsuite/std/concepts/concepts.lang/concept.same/1.cc:
1878         Likewise.
1879         * testsuite/std/concepts/concepts.lang/concept.swappable/swap.cc: Likewise.
1880         * testsuite/std/concepts/concepts.lang/concept.swappable/swappable.cc: Likewise.
1881         * testsuite/std/concepts/concepts.lang/concept.swappable/swappable_with.cc: Likewise.
1882         * testsuite/std/concepts/concepts.object/copyable.cc: Likewise.
1883         * testsuite/std/concepts/concepts.object/movable.cc: Likewise.
1884         * testsuite/std/concepts/concepts.object/regular.cc: Likewise.
1885         * testsuite/std/concepts/concepts.object/semiregular.cc:
1886         Likewise.
1887         * testsuite/std/ranges/97600.cc: Likewise.
1888         * testsuite/std/ranges/access/101782.cc: Likewise.
1889         * testsuite/std/ranges/access/begin.cc: Likewise.
1890         * testsuite/std/ranges/access/begin_neg.cc: Likewise.
1891         * testsuite/std/ranges/access/cbegin.cc: Likewise.
1892         * testsuite/std/ranges/access/cdata.cc: Likewise.
1893         * testsuite/std/ranges/access/cend.cc: Likewise.
1894         * testsuite/std/ranges/access/crbegin.cc: Likewise.
1895         * testsuite/std/ranges/access/crend.cc: Likewise.
1896         * testsuite/std/ranges/access/data.cc: Likewise.
1897         * testsuite/std/ranges/access/empty.cc: Likewise.
1898         * testsuite/std/ranges/access/end.cc: Likewise.
1899         * testsuite/std/ranges/access/end_neg.cc: Likewise.
1900         * testsuite/std/ranges/access/lwg3467.cc: Likewise.
1901         * testsuite/std/ranges/access/p2602.cc: Likewise.
1902         * testsuite/std/ranges/access/rbegin.cc: Likewise.
1903         * testsuite/std/ranges/access/rend.cc: Likewise.
1904         * testsuite/std/ranges/access/size.cc: Likewise.
1905         * testsuite/std/ranges/access/size_neg.cc: Likewise.
1906         * testsuite/std/ranges/access/ssize.cc: Likewise.
1907         * testsuite/std/ranges/adaptors/100479.cc: Likewise.
1908         * testsuite/std/ranges/adaptors/100577.cc: Likewise.
1909         * testsuite/std/ranges/adaptors/93978.cc: Likewise.
1910         * testsuite/std/ranges/adaptors/95322.cc: Likewise.
1911         * testsuite/std/ranges/adaptors/99433.cc: Likewise.
1912         * testsuite/std/ranges/adaptors/all.cc: Likewise.
1913         * testsuite/std/ranges/adaptors/common.cc: Likewise.
1914         * testsuite/std/ranges/adaptors/conditionally_borrowed.cc:
1915         Likewise.
1916         * testsuite/std/ranges/adaptors/counted.cc: Likewise.
1917         * testsuite/std/ranges/adaptors/detail/copyable_box.cc:
1918         Likewise.
1919         * testsuite/std/ranges/adaptors/drop.cc: Likewise.
1920         * testsuite/std/ranges/adaptors/drop_while.cc: Likewise.
1921         * testsuite/std/ranges/adaptors/elements.cc: Likewise.
1922         * testsuite/std/ranges/adaptors/filter.cc: Likewise.
1923         * testsuite/std/ranges/adaptors/join.cc: Likewise.
1924         * testsuite/std/ranges/adaptors/lazy_split.cc: Likewise.
1925         * testsuite/std/ranges/adaptors/lazy_split_neg.cc: Likewise.
1926         * testsuite/std/ranges/adaptors/lwg3286.cc: Likewise.
1927         * testsuite/std/ranges/adaptors/lwg3313_neg.cc: Likewise.
1928         * testsuite/std/ranges/adaptors/lwg3325_neg.cc: Likewise.
1929         * testsuite/std/ranges/adaptors/lwg3406.cc: Likewise.
1930         * testsuite/std/ranges/adaptors/p1739.cc: Likewise.
1931         * testsuite/std/ranges/adaptors/p2281.cc: Likewise.
1932         * testsuite/std/ranges/adaptors/p2770r0.cc: Likewise.
1933         * testsuite/std/ranges/adaptors/reverse.cc: Likewise.
1934         * testsuite/std/ranges/adaptors/sizeof.cc: Likewise.
1935         * testsuite/std/ranges/adaptors/split.cc: Likewise.
1936         * testsuite/std/ranges/adaptors/take.cc: Likewise.
1937         * testsuite/std/ranges/adaptors/take_while.cc: Likewise.
1938         * testsuite/std/ranges/adaptors/transform.cc: Likewise.
1939         * testsuite/std/ranges/empty_view.cc: Likewise.
1940         * testsuite/std/ranges/headers/ranges/synopsis.cc: Likewise.
1941         * testsuite/std/ranges/iota/difference_type.cc: Likewise.
1942         * testsuite/std/ranges/iota/iota_view.cc: Likewise.
1943         * testsuite/std/ranges/iota/iterator.cc: Likewise.
1944         * testsuite/std/ranges/iota/lwg3292_neg.cc: Likewise.
1945         * testsuite/std/ranges/iota/max_size_type.cc: Likewise.
1946         * testsuite/std/ranges/istream_view.cc: Likewise.
1947         * testsuite/std/ranges/p2259.cc: Likewise.
1948         * testsuite/std/ranges/p2325.cc: Likewise.
1949         * testsuite/std/ranges/p2367.cc: Likewise.
1950         * testsuite/std/ranges/range.cc: Likewise.
1951         * testsuite/std/ranges/refinements.cc: Likewise.
1952         * testsuite/std/ranges/safe_range.cc: Likewise.
1953         * testsuite/std/ranges/safe_range_types.cc: Likewise.
1954         * testsuite/std/ranges/single_view.cc: Likewise.
1955         * testsuite/std/ranges/sized.cc: Likewise.
1956         * testsuite/std/ranges/subrange/1.cc: Likewise.
1957         * testsuite/std/ranges/subrange/97512.cc: Likewise.
1958         * testsuite/std/ranges/subrange/constexpr.cc: Likewise.
1959         * testsuite/std/ranges/subrange/lwg3282_neg.cc: Likewise.
1960         * testsuite/std/ranges/subrange/lwg3286.cc: Likewise.
1961         * testsuite/std/ranges/subrange/lwg3433.cc: Likewise.
1962         * testsuite/std/ranges/subrange/sizeof.cc: Likewise.
1963         * testsuite/std/ranges/subrange/tuple_like.cc: Likewise.
1964         * testsuite/std/ranges/view.cc: Likewise.
1965
1966 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
1967
1968         * testsuite/21_strings/headers/cuchar/functions_std_cxx20.cc:
1969         Remove dg-options.
1970         * testsuite/23_containers/span/contiguous_range_neg.cc:
1971         Likewise.
1972         * testsuite/23_containers/span/everything.cc: Likewise.
1973
1974 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
1975
1976         * testsuite/24_iterators/reverse_iterator/100639.cc: Remove
1977         dg-options and add dg-add-options strict_std.
1978         * testsuite/std/ranges/iota/93267.cc: Likewise.
1979         * testsuite/std/ranges/iota/96042.cc: Likewise.
1980         * testsuite/std/ranges/iota/size.cc: Likewise.
1981         * testsuite/std/ranges/subrange/96042.cc: Likewise.
1982
1983 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
1984
1985         * testsuite/tr1/5_numerical_facilities/special_functions/07_conf_hyperg/compile_cxx17.cc:
1986         Replace dg-options -std=c++17 with dg-add-options strict_std.
1987         * testsuite/tr1/5_numerical_facilities/special_functions/17_hyperg/compile_cxx17.cc:
1988         Likewise.
1989
1990 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
1991
1992         * testsuite/23_containers/deque/48101-2_neg.cc: Replace
1993         dg-options with target selector.
1994         * testsuite/23_containers/forward_list/48101-2_neg.cc: Likewise.
1995         * testsuite/23_containers/list/48101-2_neg.cc: Likewise.
1996         * testsuite/23_containers/map/48101-2_neg.cc: Likewise.
1997         * testsuite/23_containers/map/48101_neg.cc: Likewise.
1998         * testsuite/23_containers/multimap/48101-2_neg.cc: Likewise.
1999         * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
2000         * testsuite/23_containers/multiset/48101-2_neg.cc: Likewise.
2001         * testsuite/23_containers/set/48101-2_neg.cc: Likewise.
2002         * testsuite/23_containers/unordered_map/48101-2_neg.cc:
2003         Likewise.
2004         * testsuite/23_containers/unordered_multimap/48101-2_neg.cc:
2005         Likewise.
2006         * testsuite/23_containers/unordered_multiset/48101-2_neg.cc:
2007         Likewise.
2008         * testsuite/23_containers/unordered_set/48101-2_neg.cc:
2009         Likewise.
2010         * testsuite/23_containers/vector/48101-2_neg.cc: Likewise.
2011
2012 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
2013
2014         * doc/xml/manual/test.xml: Update documentation on running and
2015         writing tests.
2016         * doc/html/manual/test.html: Regenerate.
2017         * testsuite/Makefile.am: Add v3-use-std-list to site.tmp
2018         * testsuite/Makefile.in: Regenerate.
2019         * testsuite/lib/dg-options.exp (add_options_for_strict_std): New
2020         proc.
2021         * testsuite/lib/libstdc++.exp (search_for): New utility proc.
2022         (v3-dg-runtest): New proc to replace dg-runtest.
2023         * testsuite/libstdc++-dg/conformance.exp: Use v3-dg-runtest.
2024
2025 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
2026
2027         * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc:
2028         Fix test to work for C++23 and C++26 too.
2029
2030 2023-09-15  Patrick Palka  <ppalka@redhat.com>
2031
2032         * include/std/bit: Include <concepts>.
2033         (byteswap): Use a type-constraint instead of enable_if_t
2034         inside the return type, and use std::integral.
2035         (_If_is_unsigned_integer): Replace with ...
2036         (__unsigned_integer): ... this.
2037         (rotl): Use a type-constraint instead of enable_if_t inside
2038         the return type.
2039         (countl_zero): Likewise.
2040         (countl_one): Likewise.
2041         (countr_zero): Likewise.
2042         (countr_one): Likewise.
2043         (popcount): Likewise.
2044         (has_single_bit): Likewise.
2045         (bit_ceil): Likewise.
2046         (bit_floor): Likewise.
2047         (bit_width): Likewise.
2048
2049 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
2050
2051         * include/std/variant (variant): Remove derivation from
2052         _Enable_default_constructor base class.
2053         (variant::variant()): Constrain.
2054         * testsuite/20_util/variant/default_ctor.cc: New test.
2055
2056 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
2057
2058         PR libstdc++/111172
2059         * include/std/variant (get<T>): Remove !is_void static
2060         assertions.
2061
2062 2023-09-15  Jonathan Wakely  <jwakely@redhat.com>
2063
2064         * include/bits/version.def (to_chars): Define new value for
2065         C++26.
2066         * include/bits/version.h: Regenerate.
2067         * include/std/charconv (to_chars_result::operator bool): New
2068         function.
2069         (from_chars_result::operator bool): New function.
2070         * testsuite/20_util/to_chars/version.cc: Update expected value.
2071         * testsuite/20_util/from_chars/result.cc: New test.
2072         * testsuite/20_util/to_chars/result.cc: New test.
2073
2074 2023-09-14  Jonathan Wakely  <jwakely@redhat.com>
2075
2076         PR c++/111357
2077         * testsuite/20_util/integer_sequence/pr111357.cc: New test.
2078
2079 2023-09-14  Jonathan Wakely  <jwakely@redhat.com>
2080
2081         * testsuite/27_io/basic_filebuf/seekoff/char/1-io.cc: Use
2082         dg-additional-files. Remove @require@ and @diff@ comments.
2083         * testsuite/27_io/basic_filebuf/seekoff/char/2-io.cc: Likewise.
2084         * testsuite/27_io/basic_filebuf/seekpos/char/1-io.cc: Likewise.
2085         * testsuite/27_io/basic_filebuf/seekpos/char/2-io.cc: Likewise.
2086         * testsuite/lib/dg-options.exp (v3_additional_files): New
2087         global variable.
2088         (dg-additional-files): New proc.
2089         * testsuite/lib/libstdc++.exp (v3_target_compile): Copy
2090         additional files to test directory.
2091
2092 2023-09-14  Jonathan Wakely  <jwakely@redhat.com>
2093
2094         * include/experimental/io_context (io_context) [!_GLIBCXX_HAS_GTHREADS]:
2095         Use a plain integer for _M_work_count for single-threaded
2096         targets.
2097         * include/experimental/memory_resource (__get_default_resource)
2098         [!_GLIBCXX_HAS_GTHREADS]: Use unsynchronized type for
2099         single-threaded targets.
2100         * src/c++17/default_resource.h: Adjust preprocessor conditions
2101         to match memory_resource.cc.
2102         * src/c++17/memory_resource.cc [!_GLIBCXX_HAS_GTHREADS]
2103         (atomic_mem_res): Use unsynchronized type for single-threaded
2104         targets.
2105
2106 2023-09-14  Christophe Lyon  <christophe.lyon@linaro.org>
2107
2108         * testsuite/29_atomics/atomic/compare_exchange_padding.cc: Likewise.
2109         * testsuite/29_atomics/atomic/cons/value_init.cc: Likewise.
2110         * testsuite/29_atomics/atomic_float/value_init.cc: Likewise.
2111         * testsuite/29_atomics/atomic_integral/cons/value_init.cc: Likewise.
2112         * testsuite/29_atomics/atomic_ref/compare_exchange_padding.cc: Likewise.
2113         * testsuite/29_atomics/atomic_ref/generic.cc: Likewise.
2114         * testsuite/29_atomics/atomic_ref/integral.cc: Likewise.
2115         * testsuite/29_atomics/atomic_ref/pointer.cc: Likewise.
2116
2117 2023-09-14  François Dumont  <fdumont@gcc.gnu.org>
2118
2119         * testsuite/19_diagnostics/stacktrace/synopsis.cc: Add
2120         { dg-require-normal-namespace "" }.
2121
2122 2023-09-13  François Dumont  <fdumont@gcc.gnu.org>
2123
2124         * include/std/format (std::__format::_Arg_store): Explicit version
2125         namespace on make_format_args friend declaration.
2126
2127 2023-09-12  Patrick Palka  <ppalka@redhat.com>
2128
2129         PR libstdc++/111327
2130         * include/std/functional (_GLIBCXX_NOT_FN_CALL_OP): Also define
2131         a deleted fallback operator() overload.  Constrain both the
2132         enabled and deleted overloads accordingly.
2133         * testsuite/20_util/function_objects/not_fn/111327.cc: New test.
2134
2135 2023-09-12  Patrick Palka  <ppalka@redhat.com>
2136
2137         PR libstdc++/111327
2138         * include/std/functional (_Bind_front::operator()): Add deleted
2139         fallback overloads for each const/ref qualifier pair.  Give the
2140         enabled overloads dummy constraints to make each one more
2141         specialized than the corresponding deleted overload.
2142         * testsuite/20_util/function_objects/bind_front/111327.cc: New test.
2143
2144 2023-09-12  Patrick Palka  <ppalka@redhat.com>
2145
2146         * include/std/functional (_Bind_front0): Remove.
2147         (_Bind_front_t): Adjust.
2148
2149 2023-09-12  Jonathan Wakely  <jwakely@redhat.com>
2150
2151         * python/libstdcxx/v6/printers.py: Reformat.
2152         * python/libstdcxx/v6/xmethods.py: Likewise.
2153
2154 2023-09-11  Jonathan Wakely  <jwakely@redhat.com>
2155
2156         * src/c++11/debug.cc (acquire_sequence_ptr_for_lock): New
2157         function.
2158         (reset_sequence_ptr): New function.
2159         (_Safe_iterator_base::_M_detach)
2160         (_Safe_local_iterator_base::_M_detach): Replace bare atomic_load
2161         with acquire_sequence_ptr_for_lock.
2162         (_Safe_iterator_base::_M_reset): Replace bare atomic_store with
2163         reset_sequence_ptr.
2164
2165 2023-09-11  Jonathan Wakely  <jwakely@redhat.com>
2166
2167         * src/c++11/Makefile.am: Add new file.
2168         * src/c++11/Makefile.in: Regenerate.
2169         * src/c++11/debug.cc (__glibcxx_assert_fail): Move to ...
2170         * src/c++11/assert_fail.cc: New file.
2171
2172 2023-09-11  Ken Matsui  <kmatsui@gcc.gnu.org>
2173
2174         * include/bits/c++config (_GLIBCXX_HAS_BUILTIN): Do not undef.
2175         (_GLIBCXX_USE_BUILTIN_TRAIT): Define.
2176
2177 2023-09-11  Jonathan Wakely  <jwakely@redhat.com>
2178
2179         * include/bits/version.def (__cpp_lib_formatters): Define.
2180         * include/bits/version.h: Regenerate.
2181         * include/std/stacktrace (formatter<stacktrace_entry>)
2182         (formatter<basic_stacktrace<Alloc>>): Define.
2183         * include/std/thread (formatter<thread::id, charT>): Define.
2184         * testsuite/19_diagnostics/stacktrace/output.cc: New test.
2185         * testsuite/19_diagnostics/stacktrace/synopsis.cc: Add
2186         std::formatter specializations.
2187         * testsuite/19_diagnostics/stacktrace/version.cc: Check
2188         __cpp_lib_formatters macro.
2189         * testsuite/30_threads/thread/id/hash.cc: Remove gthreads
2190         dependency.
2191         * testsuite/30_threads/thread/id/operators.cc: Likewise.
2192         * testsuite/30_threads/thread/id/operators_c++20.cc: Likewise.
2193         * testsuite/30_threads/thread/id/output.cc: New test.
2194
2195 2023-09-11  Pekka Seppänen  <pexu@gcc.mail.kapsi.fi>
2196
2197         * src/c++11/cow-locale_init.cc: Add [[maybe_unused]] attribute.
2198         * src/c++17/fs_path.cc (path::_S_convert_loc): Likewise.
2199         * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
2200
2201 2023-09-08  Jonathan Wakely  <jwakely@redhat.com>
2202
2203         * acinclude.m4 (GLIBCXX_CONFIGURE): Add c++23 directory.
2204         * configure: Regenerate.
2205         * doc/html/manual/*: Regenerate.
2206         * doc/xml/manual/using.xml: Update documentation on linking.
2207         * include/std/stacktrace: Remove declarations of libbacktrace
2208         APIs.
2209         (stacktrace_entry::_S_err_handler, stacktrace_entry::_S_init):
2210         Remove.
2211         (stacktrace_entry::_Info): New class.
2212         (stacktrace_entry::_M_get_info): Use _Info.
2213         (__stacktrace_impl): New class.
2214         (basic_stacktrace): Derive from __stacktrace_impl.
2215         (basic_stacktrace::current): Use __stacktrace_impl::_S_current.
2216         * scripts/testsuite_flags.in: Adjust LDFLAGS to find
2217         libstdc++exp instead of libstdc++_libbacktrace.
2218         * src/Makefile.am (SUBDIRS): Add c++23 directory.
2219         * src/Makefile.in: Regenerate.
2220         * src/c++20/Makefile.am: Fix comment.
2221         * src/c++20/Makefile.in: Regenerate.
2222         * src/c++23/Makefile.am: New file.
2223         * src/c++23/Makefile.in: New file.
2224         * src/c++23/stacktrace.cc: New file with definitions of
2225         stacktrace_entry::_Info and __stacktrace_impl members.
2226         * src/experimental/Makefile.am: Use LIBADD to include other
2227         libraries.
2228         * src/experimental/Makefile.in: Regenerate.
2229         * src/libbacktrace/Makefile.am: Use noinst_LTLIBRARIES.
2230         * src/libbacktrace/Makefile.in: Regenerate.
2231         * testsuite/19_diagnostics/stacktrace/current.cc: Adjust
2232         dg-options to use -lstdc++exp.
2233         * testsuite/19_diagnostics/stacktrace/entry.cc: Likewise.
2234         * testsuite/19_diagnostics/stacktrace/stacktrace.cc: Likewise.
2235         * testsuite/23_containers/vector/debug/assign4_backtrace_neg.cc:
2236         Likewise.
2237
2238 2023-09-08  Alexey Lapshin  <alexey.lapshin@espressif.com>
2239
2240         * src/libbacktrace/Makefile.am: Remove -Werror.
2241         * src/libbacktrace/Makefile.in: Regenerate.
2242
2243 2023-09-08  Jonathan Wakely  <jwakely@redhat.com>
2244
2245         * testsuite/Makefile.am (check-DEJAGNU): Use @ in recipe.
2246         * testsuite/Makefile.in: Regenerate.
2247
2248 2023-09-08  Yang Yujie  <yangyujie@loongson.cn>
2249
2250         * configure.host: Register t-loongarch in tmake_file.
2251         * config/cpu/loongarch/t-loongarch: New file.  Manually refresh
2252         MULTISUBDIR with $(shell $(CXX) --print-multi-directory).
2253
2254 2023-09-07  Bruno Victal  <mirai@makinata.eu>
2255
2256         * acinclude.m4: Update docbook xsl URI.
2257         * configure: Regenerate.
2258
2259 2023-09-07  Bruno Victal  <mirai@makinata.eu>
2260
2261         * doc/Makefile.am: Fix 'doc-install-info' rule.
2262         Fix typo in commment.
2263         * doc/Makefile.in: Regenerate.
2264
2265 2023-09-07  Jonathan Wakely  <jwakely@redhat.com>
2266
2267         * testsuite/27_io/filesystem/path/concat/94063.cc: Simplify
2268         dg-do target selector.
2269
2270 2023-09-07  Jonathan Wakely  <jwakely@redhat.com>
2271
2272         * testsuite/config/default.exp: Remove trailing whitespace.
2273         * testsuite/lib/dg-options.exp: Likewise.
2274         * testsuite/lib/prune.exp: Likewise.
2275         * testsuite/libstdc++-abi/abi.exp: Likewise.
2276         * testsuite/libstdc++-dg/conformance.exp: Likewise.
2277         * testsuite/libstdc++-prettyprinters/prettyprinters.exp:
2278         Likewise.
2279         * testsuite/libstdc++-xmethods/xmethods.exp: Likewise.
2280         * testsuite/lib/libstdc++.exp: Likewise.
2281         (check_v3_target_c_std): Fix filename for temporary source file.
2282
2283 2023-09-07  Jonathan Wakely  <jwakely@redhat.com>
2284
2285         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for mkdir,
2286         chmod, chdir, and getcwd.
2287         * config.h.in: Regenerate.
2288         * configure: Regenerate.
2289         * src/c++17/fs_ops.cc (create_dir): Use USE_MKDIR macro.
2290         (fs::current_path): Use USE_GETCWD and USE_CHDIR macros.
2291         (fs::permissions): Use USE_CHMOD macro.
2292         * src/filesystem/ops-common.h [FILESYSTEM_IS_WINDOWS]
2293         (chmod, mkdir, getcwd, chdir): Define new macros.
2294         [FILESYSTEM_IS_WINDOWS] (chmod, mkdir, getcwd, chdir): Use
2295         new macros.
2296         * src/filesystem/ops.cc (create_dir): Use USE_MKDIR macro.
2297         (fs::current_path): Use USE_GETCWD and USE_CHDIR macros.
2298         (fs::permissions): Use USE_CHMOD macro.
2299
2300 2023-09-07  Jonathan Wakely  <jwakely@redhat.com>
2301
2302         * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Disable by default
2303         for avr.
2304         * configure: Regenerate.
2305
2306 2023-09-07  Jonathan Wakely  <jwakely@redhat.com>
2307
2308         * testsuite/23_containers/unordered_map/operations/1.cc: Add
2309         dg-options for C++20 mode.
2310         * testsuite/23_containers/unordered_multimap/operations/1.cc:
2311         Likewise.
2312         * testsuite/23_containers/unordered_multiset/operations/1.cc:
2313         Likewise.
2314         * testsuite/23_containers/unordered_set/operations/1.cc:
2315         Likewise.
2316         * testsuite/std/time/parse.cc: Move dg-options before dg-do.
2317
2318 2023-09-07  Jonathan Wakely  <jwakely@redhat.com>
2319
2320         * testsuite/std/ranges/access/cbegin.cc: Adjust for C++23
2321         compatibility.
2322         * testsuite/std/ranges/access/cdata.cc: Likewise.
2323         * testsuite/std/ranges/access/cend.cc: Likewise.
2324         * testsuite/std/ranges/access/crbegin.cc: Likewise.
2325         * testsuite/std/ranges/access/crend.cc: Likewise.
2326         * testsuite/std/ranges/adaptors/take.cc: Likewise.
2327         * testsuite/std/ranges/adaptors/take_while.cc: Likewise.
2328         * testsuite/std/ranges/adaptors/transform.cc: Likewise.
2329
2330 2023-09-07  Jonathan Wakely  <jwakely@redhat.com>
2331
2332         * include/bits/iterator_concepts.h (__imove::iter_move): Define
2333         poison pill as deleted for consistency.
2334         (__access::begin): Replace with a single declaration.
2335         * include/bits/ranges_base.h (__access::end, __access::rbegin)
2336         (__access::rend, __access::size): Likewise.
2337         * include/bits/version.def (ranges): Update value for C++23.
2338         * include/bits/version.h: Regenerate.
2339         * libsupc++/compare (__compare): Add missing poison pill
2340         overloads.
2341         * testsuite/std/ranges/version_c++23.cc: Adjust expected value
2342         of __cpp_lib_ranges.
2343         * testsuite/std/ranges/access/p2602.cc: New test.
2344
2345 2023-09-07  Jonathan Wakely  <jwakely@redhat.com>
2346
2347         * include/bits/iterator_concepts.h (ranges::__cust_imove):
2348         Rename to ranges::__imove.
2349         (_IMove): Rename to _IterMove.
2350         (ranges::__cust_iswap): Rename to ranges::__iswap.
2351         (ranges::__cust): Rename to ranges::_Cpo.
2352         (ranges::__cust_access): Rename to ranges::__access.
2353         * include/bits/ranges_base.h (ranges::__cust_access): Rename to
2354         ranges::__access.
2355         (ranges::__cust): Rename to ranges::_Cpo.
2356         * include/std/concepts (ranges::__cust_swap):  Rename to
2357         ranges::__swap.
2358         (ranges::__cust): Rename to ranges::_Cpo.
2359         * libsupc++/compare (__cmp_cust): Rename to __compare.
2360         (__cmp_algo): Rename to _Cpo.
2361
2362 2023-09-07  Jonathan Wakely  <jwakely@redhat.com>
2363
2364         * include/bits/version.def (ranges): Update value.
2365         * include/bits/version.h: Regenerate.
2366         * include/std/ranges (__detail::__boxable): Use
2367         move_constructible instead of copy_constructible for C++23.
2368         (__detail::__box<T>): Adjust constraints for partial
2369         specialization.
2370         (single_view, transform_view): Use __box_constructible instead
2371         of copy_constructible in constraints.
2372         (zip_transform_view, adjacent_transform_view, repeat_view): Use
2373         move_constructible instead of copy_constructible in constraints.
2374         * testsuite/std/ranges/adaptors/adjacent_transform/1.cc: Check
2375         construction from move-only argument.
2376         * testsuite/std/ranges/adaptors/transform.cc: Likewise.
2377         * testsuite/std/ranges/repeat/1.cc: Likewise.
2378         * testsuite/std/ranges/single_view.cc: Likewise.
2379         * testsuite/std/ranges/zip_transform/1.cc: Likewise.
2380         * testsuite/std/ranges/version_c++23.cc: Adjust expected value
2381         of __cpp_lib_ranges.
2382
2383 2023-09-07  Jonathan Wakely  <jwakely@redhat.com>
2384
2385         * testsuite/util/testsuite_iterators.h (is_customization_point_object):
2386         Remove parameter name.
2387
2388 2023-09-06  Jonathan Wakely  <jwakely@redhat.com>
2389
2390         * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Disable by default
2391         for freestanding.
2392         * configure: Regenerate.
2393
2394 2023-09-04  Christophe Lyon  <christophe.lyon@linaro.org>
2395
2396         Revert
2397         2023-09-04  Christophe Lyon  <christophe.lyon@linaro.org>
2398
2399         PR libstdc++/111238
2400         * configure: Regenerate.
2401         * configure.ac: Call GLIBCXX_CHECK_LINKER_FEATURES in cross,
2402         non-Canadian builds.
2403
2404 2023-09-04  Christophe Lyon  <christophe.lyon@linaro.org>
2405
2406         PR libstdc++/111238
2407         * configure: Regenerate.
2408         * configure.ac: Call GLIBCXX_CHECK_LINKER_FEATURES in cross,
2409         non-Canadian builds.
2410
2411 2023-09-04  Jonathan Wakely  <jwakely@redhat.com>
2412
2413         * testsuite/26_numerics/complex/literals/types.cc: Remove
2414         dg-options and add target selector instead.
2415
2416 2023-09-04  Jonathan Wakely  <jwakely@redhat.com>
2417
2418         * testsuite/tr1/6_containers/utility/pair.cc: Remove dg-options
2419         and qualify ambiguous calls to get.
2420         * testsuite/tr1/8_c_compatibility/cmath/pow_cmath.cc: Adjust
2421         expected result for std::pow(float, int) as per DR 550.
2422
2423 2023-09-04  Jonathan Wakely  <jwakely@redhat.com>
2424
2425         * testsuite/20_util/auto_ptr/1.cc: Remove dg-options -std=c++03
2426         and add dg-warning for deprecation warnings.
2427         * testsuite/20_util/auto_ptr/2.cc: Likewise.
2428         * testsuite/20_util/auto_ptr/3.cc: Likewise.
2429         * testsuite/20_util/auto_ptr/3946.cc: Likewise.
2430         * testsuite/20_util/auto_ptr/4.cc: Likewise.
2431         * testsuite/20_util/auto_ptr/5.cc: Likewise.
2432         * testsuite/20_util/auto_ptr/6.cc: Likewise.
2433         * testsuite/20_util/auto_ptr/7.cc: Likewise.
2434         * testsuite/20_util/auto_ptr/assign_neg.cc: Likewise.
2435         * testsuite/20_util/auto_ptr/requirements/explicit_instantiation/1.cc:
2436         Likewise.
2437         * testsuite/tr1/2_general_utilities/shared_ptr/assign/auto_ptr.cc:
2438         Likewise.
2439         * testsuite/tr1/2_general_utilities/shared_ptr/assign/auto_ptr_neg.cc:
2440         Likewise.
2441         * testsuite/tr1/2_general_utilities/shared_ptr/assign/auto_ptr_rvalue_neg.cc:
2442         Likewise.
2443         * testsuite/tr1/2_general_utilities/shared_ptr/cons/43820_neg.cc:
2444         Likewise.
2445         * testsuite/tr1/2_general_utilities/shared_ptr/cons/auto_ptr.cc:
2446         Likewise.
2447         * testsuite/tr1/2_general_utilities/shared_ptr/cons/auto_ptr_neg.cc:
2448         Likewise.
2449
2450 2023-09-04  Jonathan Wakely  <jwakely@redhat.com>
2451
2452         PR libstdc++/26142
2453         * testsuite/23_containers/vector/26412-1.cc: Moved to...
2454         * testsuite/23_containers/vector/26142-1.cc: ...here.
2455         * testsuite/23_containers/vector/26412-2.cc: Moved to...
2456         * testsuite/23_containers/vector/26142-2.cc: ...here.
2457
2458 2023-09-04  Jonathan Wakely  <jwakely@redhat.com>
2459
2460         * testsuite/20_util/bitset/107037.cc: Add c++98_only selector.
2461         * testsuite/26_numerics/complex/56111.cc: Likewise.
2462
2463 2023-09-04  Jonathan Wakely  <jwakely@redhat.com>
2464
2465         * testsuite/23_containers/deque/requirements/explicit_instantiation/2.cc:
2466         Add dg-options to restrict the test to C++98 mode.
2467         * testsuite/23_containers/list/requirements/explicit_instantiation/2.cc:
2468         Likewise.
2469
2470 2023-09-04  Jonathan Wakely  <jwakely@redhat.com>
2471
2472         * testsuite/20_util/expected/bad.cc: Add missing target
2473         selector.
2474
2475 2023-09-01  Jonathan Wakely  <jwakely@redhat.com>
2476
2477         * testsuite/25_algorithms/copy/debug/constexpr_neg.cc: Adjust
2478         expected errors.
2479         * testsuite/25_algorithms/equal/debug/constexpr_neg.cc:
2480         Likewise.
2481
2482 2023-09-01  Jonathan Wakely  <jwakely@redhat.com>
2483
2484         * testsuite/27_io/filesystem/iterators/91067.cc: Add
2485         -Wno-self-move to options.
2486         * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
2487
2488 2023-09-01  Vladimir Palevich  <palevichva@gmail.com>
2489
2490         PR libstdc++/110879
2491         * include/bits/vector.tcc (_M_realloc_insert): End guard
2492         lifetime just before assignment to class members.
2493         (_M_default_append): Likewise.
2494
2495 2023-09-01  Jonathan Wakely  <jwakely@redhat.com>
2496
2497         * src/c++17/fs_ops.cc (fs::absolute) [FILESYSTEM_IS_WINDOWS]:
2498         Use __resize_and_overwrite to fill buffer.
2499         (fs::read_symlink) [HAVE_READLINK]: Likewise.
2500         * src/filesystem/ops-common.h (get_temp_directory_from_env)
2501         [FILESYSTEM_IS_WINDOWS]: Likewise.
2502
2503 2023-09-01  Jonathan Wakely  <jwakely@redhat.com>
2504
2505         PR libstdc++/111077
2506         * include/bits/atomic_base.h (__atomic_impl::__compare_exchange):
2507         Add _AtomicRef non-type template parameter and use a loop if it
2508         is true.
2509         (__atomic_impl::compare_exchange_weak): Add _AtomicRef NTTP.
2510         (__atomic_impl::compare_exchange_strong): Likewise.
2511         (atomic_ref::compare_exchange_weak): Use true for NTTP.
2512         (atomic_ref::compare_exchange_strong): Use true for NTTP.
2513         * testsuite/29_atomics/atomic_ref/compare_exchange_padding.cc:
2514         Fix test to not rely on atomic_ref::load() to return an object
2515         with padding preserved.
2516
2517 2023-09-01  Jonathan Wakely  <jwakely@redhat.com>
2518
2519         * testsuite/27_io/filesystem/path/108636.cc: Add dg-require for
2520         filesystem support.
2521
2522 2023-09-01  Jonathan Wakely  <jwakely@redhat.com>
2523
2524         * src/c++20/tzdb.cc (tzdb::current_zone): Check configure macros
2525         for POSIX readlink before using filesystem::read_symlink.
2526
2527 2023-09-01  Jonathan Wakely  <jwakely@redhat.com>
2528
2529         * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Default to yes.
2530         * configure: Regenerate.
2531
2532 2023-09-01  Jonathan Wakely  <jwakely@redhat.com>
2533
2534         * include/bits/chrono_io.h (_Parser::operator()): Set failbit
2535         early if invalid values are read when _M_need & _TimeOfDay is
2536         non-zero.
2537         * testsuite/std/time/parse.cc: Check that "25:59" cannot be
2538         parsed for "%H:%M".
2539
2540 2023-09-01  Jonathan Wakely  <jwakely@redhat.com>
2541
2542         PR libstdc++/111162
2543         * include/bits/chrono_io.h (_Parser::Operator()): Check %C
2544         values are in range of year::min() to year::max().
2545         * testsuite/std/time/parse.cc: Check out of range centuries.
2546
2547 2023-09-01  Jonathan Wakely  <jwakely@redhat.com>
2548
2549         * include/std/format (__format::_Sink::_M_reset): Change second
2550         argument from iterator to offset.
2551
2552 2023-08-24  Paul Dreik  <gccpatches@pauldreik.se>
2553
2554         PR libstdc++/111102
2555         * testsuite/std/format/string.cc: Check wide character format
2556         strings with out-of-range widths.
2557
2558 2023-08-24  Paul Dreik  <gccpatches@pauldreik.se>
2559
2560         PR libstdc++/111102
2561         * include/std/format (__format::__parse_integer): Check for
2562         non-null pointer.
2563
2564 2023-08-24  Jonathan Wakely  <jwakely@redhat.com>
2565
2566         * testsuite/std/format/functions/format_to.cc: Avoid warning for
2567         unused variables.
2568
2569 2023-08-24  Jonathan Wakely  <jwakely@redhat.com>
2570
2571         * include/std/atomic: Add comment to #ifdef and fix indentation.
2572         * include/std/ostream: Check __glibcxx_syncbuf instead of
2573         __cplusplus and _GLIBCXX_HOSTED.
2574         * include/std/thread: Add comment to #ifdef.
2575
2576 2023-08-24  Jonathan Wakely  <jwakely@redhat.com>
2577
2578         * include/bits/version.def (__cpp_lib_ratio): Define.
2579         * include/bits/version.h: Regenerate.
2580         * include/std/ratio (quecto, ronto, yocto, zepto)
2581         (zetta, yotta, ronna, quetta): Define.
2582         * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Adjust
2583         dg-error line numbers.
2584
2585 2023-08-24  Jonathan Wakely  <jwakely@redhat.com>
2586
2587         * python/libstdcxx/v6/printers.py (StdLocalePrinter): New
2588         printer class.
2589         * testsuite/libstdc++-prettyprinters/locale.cc: New test.
2590
2591 2023-08-24  Jonathan Wakely  <jwakely@redhat.com>
2592
2593         PR libstdc++/110944
2594         * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Do
2595         not show template arguments.
2596         (StdVariantPrinter): Likewise.
2597         * testsuite/libstdc++-prettyprinters/compat.cc: Adjust expected
2598         output.
2599         * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
2600         * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
2601
2602 2023-08-23  François Dumont  <fdumont@gcc.gnu.org>
2603
2604         * testsuite/util/replacement_memory_operators.h
2605         (counter::scope): New, capture and reset counter count at construction and
2606         restore it at destruction.
2607         (counter::check_new): Add scope instantiation.
2608         * testsuite/23_containers/unordered_map/96088.cc (main):
2609         Add counter::scope instantiation.
2610         * testsuite/23_containers/unordered_multimap/96088.cc (main): Likewise.
2611         * testsuite/23_containers/unordered_multiset/96088.cc (main): Likewise.
2612         * testsuite/23_containers/unordered_set/96088.cc (main): Likewise.
2613         * testsuite/ext/malloc_allocator/deallocate_local.cc (main): Likewise.
2614         * testsuite/ext/new_allocator/deallocate_local.cc (main): Likewise.
2615         * testsuite/ext/throw_allocator/deallocate_local.cc (main): Likewise.
2616         * testsuite/ext/pool_allocator/allocate_chunk.cc (started): New global.
2617         (operator new(size_t)): Check started.
2618         (main): Set/Unset started.
2619         * testsuite/17_intro/no_library_allocation.cc: New test case.
2620
2621 2023-08-21  Jonathan Wakely  <jwakely@redhat.com>
2622
2623         * testsuite/18_support/nested_exception/rethrow_if_nested-term.cc:
2624         Call std::set_terminate before throwing the nested exception.
2625
2626 2023-08-18  Jonathan Wakely  <jwakely@redhat.com>
2627
2628         PR target/111060
2629         * include/std/format (formatter): Only define specializations
2630         for 16-bit floating-point types for C++23.
2631         * include/std/limits (numeric_limits): Likewise.
2632
2633 2023-08-18  Jonathan Wakely  <jwakely@redhat.com>
2634
2635         * include/bits/chrono_io.h (operator<<): Make uses of wide
2636         strings with streams and std::format type-dependent on _CharT.
2637         * include/std/format [!_GLIBCXX_USE_WCHAR_T] Do not use
2638         __to_wstring_numeric.
2639
2640 2023-08-18  Jonathan Wakely  <jwakely@redhat.com>
2641
2642         * include/bits/chrono_io.h (operator<<): Use __format_context.
2643         * include/std/format (__format::__format_context): New alias
2644         template.
2645         [!_GLIBCXX_USE_WCHAR_T] (wformat_args, make_wformat_arg):
2646         Disable.
2647
2648 2023-08-17  Jonathan Wakely  <jwakely@redhat.com>
2649
2650         Revert:
2651         2023-08-17  Jonathan Wakely  <jwakely@redhat.com>
2652
2653         * config/locale/generic/c_locale.cc (__convert_to_v): Reuse
2654         double overload for long double if possible.
2655
2656 2023-08-17  Jonathan Wakely  <jwakely@redhat.com>
2657
2658         * src/c++20/tzdb.cc (tzdata_file, leaps_file): Change type to
2659         std::string_view.
2660
2661 2023-08-17  Jonathan Wakely  <jwakely@redhat.com>
2662
2663         * config/locale/generic/c_locale.cc (__convert_to_v): Reuse
2664         double overload for long double if possible.
2665
2666 2023-08-17  Jonathan Wakely  <jwakely@redhat.com>
2667
2668         * src/c++98/localename.cc (is_C_locale): New function.
2669         (locale::locale(const char*)): Use is_C_locale.
2670
2671 2023-08-17  Jonathan Wakely  <jwakely@redhat.com>
2672
2673         PR libstdc++/110945
2674         * include/bits/basic_string.h (basic_string::assign(Iter, Iter)):
2675         Dispatch to _M_replace or move assignment from a temporary,
2676         based on the iterator type.
2677
2678 2023-08-17  Jonathan Wakely  <jwakely@redhat.com>
2679
2680         * include/std/format (formatter): Add partial specializations
2681         for extended floating-point types.
2682         * testsuite/std/format/functions/format.cc: Move test_float128()
2683         to ...
2684         * testsuite/std/format/formatter/ext_float.cc: New test.
2685
2686 2023-08-17  Jonathan Wakely  <jwakely@redhat.com>
2687
2688         * include/bits/c++config (__gnu_cxx::__bfloat16_t): Define
2689         whenever __BFLT16_DIG__ is defined, not only for C++23.
2690         * include/std/limits (numeric_limits<bfloat16_t>): Likewise.
2691         (numeric_limits<_Float16>, numeric_limits<_Float32>)
2692         (numeric_limits<_Float64>): Likewise for other extended
2693         floating-point types.
2694
2695 2023-08-17  Jonathan Wakely  <jwakely@redhat.com>
2696
2697         * include/experimental/internet (address_v4::to_string): Remove
2698         unused parameter name.
2699
2700 2023-08-17  Jonathan Wakely  <jwakely@redhat.com>
2701
2702         * libsupc++/compare (__cmp_cat::__unseq): Make ctor consteval.
2703         * testsuite/18_support/comparisons/categories/zero_neg.cc: Prune
2704         excess errors caused by invalid consteval calls.
2705
2706 2023-08-17  Jonathan Wakely  <jwakely@redhat.com>
2707
2708         * include/bits/chrono_io.h (__units_suffix_misc): Remove.
2709         (__units_suffix): Return a known suffix as string view, do not
2710         write unknown suffixes to a buffer.
2711         (__fmt_units_suffix): New function that formats the suffix using
2712         std::format_to.
2713         (operator<<, __chrono_formatter::_M_q): Use __fmt_units_suffix.
2714         (__chrono_formatter::_M_Z): Correct lifetime of wstring.
2715
2716 2023-08-17  Jonathan Wakely  <jwakely@redhat.com>
2717
2718         * include/std/format [_GLIBCXX_USE_WCHAR_T]: Guard all wide
2719         string formatters with this macro.
2720         (__formatter_int::_M_format_int, __formatter_fp::format)
2721         (formatter<const void*, C>::format): Use __to_wstring_numeric
2722         instead of std::ctype::widen.
2723         (__formatter_fp::_M_localize): Use hardcoded wchar_t values
2724         instead of std::ctype::widen.
2725         * testsuite/std/format/functions/format.cc: Add more checks for
2726         wstring formatting of arithmetic types.
2727
2728 2023-08-17  Jonathan Wakely  <jwakely@redhat.com>
2729
2730         * include/bits/basic_string.h (to_string(floating-point-type)):
2731         Implement using std::to_chars for C++26.
2732         * include/bits/version.def (__cpp_lib_to_string): Define.
2733         * include/bits/version.h: Regenerate.
2734         * testsuite/21_strings/basic_string/numeric_conversions/char/dr1261.cc:
2735         Adjust expected result in C++26 mode.
2736         * testsuite/21_strings/basic_string/numeric_conversions/char/to_string.cc:
2737         Likewise.
2738         * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/dr1261.cc:
2739         Likewise.
2740         * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/to_wstring.cc:
2741         Likewise.
2742         * testsuite/21_strings/basic_string/numeric_conversions/char/to_string_float.cc:
2743         New test.
2744         * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/to_wstring_float.cc:
2745         New test.
2746         * testsuite/21_strings/basic_string/numeric_conversions/version.cc:
2747         New test.
2748
2749 2023-08-17  Jonathan Wakely  <jwakely@redhat.com>
2750
2751         * include/bits/basic_string.h (to_string(integral-type)): Use
2752         resize_and_overwrite when available.
2753         (__to_wstring_numeric): New helper functions.
2754         (to_wstring): Use std::to_string then __to_wstring_numeric.
2755         * testsuite/21_strings/basic_string/numeric_conversions/char/to_string_int.cc:
2756         Remove check for no excess capacity.
2757
2758 2023-08-17  Jonathan Wakely  <jwakely@redhat.com>
2759
2760         * include/bits/basic_string.h (__resize_and_overwrite): New
2761         function.
2762         * include/bits/basic_string.tcc (__resize_and_overwrite): New
2763         function.
2764         (resize_and_overwrite): Simplify by using reserve instead of
2765         growing the string manually. Adjust for C++11 compatibility.
2766         * include/bits/cow_string.h (resize_and_overwrite): New
2767         function.
2768         (__resize_and_overwrite): New function.
2769         * include/bits/version.def (__cpp_lib_string_resize_and_overwrite):
2770         Do not depend on cxx11abi.
2771         * include/bits/version.h: Regenerate.
2772         * include/std/format (__formatter_fp::_S_resize_and_overwrite):
2773         Remove.
2774         (__formatter_fp::format, __formatter_fp::_M_localize): Use
2775         __resize_and_overwrite instead of _S_resize_and_overwrite.
2776         * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
2777         Adjust for C++11 compatibility when included by ...
2778         * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite_ext.cc:
2779         New test.
2780
2781 2023-08-17  Patrick Palka  <ppalka@redhat.com>
2782
2783         * include/bits/regex.h (regex_iterator::iterator_concept):
2784         Define for C++20 as per P2770R0.
2785         (regex_token_iterator::iterator_concept): Likewise.
2786         * include/std/ranges (__detail::__as_lvalue): Define.
2787         (join_view::_Iterator): Befriend join_view.
2788         (join_view::_Iterator::_M_satisfy): Use _M_get_outer
2789         instead of _M_outer.
2790         (join_view::_Iterator::_M_get_outer): Define.
2791         (join_view::_Iterator::_Iterator): Split constructor taking
2792         _Parent argument into two as per P2770R0.  Remove constraint on
2793         default constructor.
2794         (join_view::_Iterator::_M_outer): Make this data member present
2795         only when the underlying range is forward.
2796         (join_view::_Iterator::operator++): Use _M_get_outer instead of
2797         _M_outer.
2798         (join_view::_Iterator::operator--): Use __as_lvalue helper.
2799         (join_view::_Iterator::operator==): Adjust constraints as per
2800         P2770R0.
2801         (join_view::_Sentinel::__equal): Use _M_get_outer instead of
2802         _M_outer.
2803         (join_view::_M_outer): New data member when the underlying range
2804         is non-forward.
2805         (join_view::begin): Adjust definition as per P2770R0.
2806         (join_view::end): Likewise.
2807         (join_with_view::_M_outer_it): New data member when the
2808         underlying range is non-forward.
2809         (join_with_view::begin): Adjust definition as per P2770R0.
2810         (join_with_view::end): Likewise.
2811         (join_with_view::_Iterator::_M_outer_it): Make this data member
2812         present only when the underlying range is forward.
2813         (join_with_view::_Iterator::_M_get_outer): Define.
2814         (join_with_view::_Iterator::_Iterator): Split constructor
2815         taking _Parent argument into two as per P2770R0.  Remove
2816         constraint on default constructor.
2817         (join_with_view::_Iterator::_M_update_inner): Adjust definition
2818         as per P2770R0.
2819         (join_with_view::_Iterator::_M_get_inner): Likewise.
2820         (join_with_view::_Iterator::_M_satisfy): Adjust calls to
2821         _M_get_inner.  Use _M_get_outer instead of _M_outer_it.
2822         (join_with_view::_Iterator::operator==): Adjust constraints
2823         as per P2770R0.
2824         (join_with_view::_Sentinel::operator==): Use _M_get_outer
2825         instead of _M_outer_it.
2826         * testsuite/std/ranges/adaptors/p2770r0.cc: New test.
2827
2828 2023-08-17  Patrick Palka  <ppalka@redhat.com>
2829
2830         PR libstdc++/108827
2831         * include/std/ranges (__adaptor::_RangeAdaptorClosure):
2832         Convert into a CRTP class template.  Move hidden operator|
2833         friends into namespace scope and adjust their constraints.
2834         (__closure::__is_range_adaptor_closure_fn): Define.
2835         (__closure::__is_range_adaptor_closure): Define.
2836         (__adaptor::_Partial): Adjust use of _RangeAdaptorClosure.
2837         (__adaptor::_Pipe): Likewise.
2838         (views::_All): Likewise.
2839         (views::_Join): Likewise.
2840         (views::_Common): Likewise.
2841         (views::_Reverse): Likewise.
2842         (views::_Elements): Likewise.
2843         (views::_Adjacent): Likewise.
2844         (views::_AsRvalue): Likewise.
2845         (views::_Enumerate): Likewise.
2846         (views::_AsConst): Likewise.
2847         * testsuite/std/ranges/adaptors/all.cc: Reinstate assertion
2848         expecting that adding empty range adaptor closure objects to a
2849         pipeline doesn't increase the size of a pipeline.
2850
2851 2023-08-17  Jonathan Wakely  <jwakely@redhat.com>
2852
2853         * include/std/format (__format::_Pres_type): Add _Pres_F.
2854         (__formatter_fp::parse): Use _Pres_F for 'F'.
2855         (__formatter_fp::format): Set __upper for _Pres_F.
2856         * testsuite/std/format/functions/format.cc: Check formatting of
2857         infinity and NaN for each presentation type.
2858
2859 2023-08-17  Jonathan Wakely  <jwakely@redhat.com>
2860
2861         * include/Makefile.in: Regenerate.
2862
2863 2023-08-17  Jonathan Wakely  <jwakely@redhat.com>
2864
2865         * testsuite/24_iterators/move_iterator/p2520r0.cc: Add no_pch.
2866         * testsuite/std/format/functions/format.cc: Likewise.
2867         * testsuite/std/format/functions/format_c++23.cc: Likewise.
2868
2869 2023-08-17  Jonathan Wakely  <jwakely@redhat.com>
2870
2871         * testsuite/lib/dg-options.exp (add_options_for_no_pch): Remove
2872         any "-include bits/stdc++.h" from options and add the macro to
2873         the existing options instead of replacing them.
2874
2875 2023-08-16  Jonathan Wakely  <jwakely@redhat.com>
2876
2877         * include/bits/basic_string.tcc (resize_and_overwrite): Invoke
2878         the callable with the same size as resize_and_overwrite was
2879         called with.
2880         * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
2881         Check with small values for the new size.
2882         * testsuite/std/format/functions/format.cc: Check wide
2883         formatting of double values that produce small strings.
2884         * testsuite/std/format/functions/format_c++23.cc: New test.
2885
2886 2023-08-16  Jonathan Wakely  <jwakely@redhat.com>
2887
2888         * include/bits/version.def (stds): Update value for C++23.
2889         * include/bits/version.h: Regenerate.
2890
2891 2023-08-16  Jonathan Wakely  <jwakely@redhat.com>
2892
2893         * testsuite/25_algorithms/pstl/alg_sorting/set_difference.cc:
2894         Fix name of upstream file this was derived from.
2895         * testsuite/25_algorithms/pstl/alg_sorting/set_intersection.cc:
2896         Likewise.
2897         * testsuite/25_algorithms/pstl/alg_sorting/set_symmetric_difference.cc:
2898         Likewise.
2899         * testsuite/25_algorithms/pstl/alg_sorting/set_union.cc:
2900         Likewise.
2901         * testsuite/25_algorithms/pstl/alg_sorting/set_util.h: Likewise.
2902
2903 2023-08-16  Arsen Arsenović  <arsen@aarsen.me>
2904
2905         * libsupc++/typeinfo: Switch to bits/version.h for
2906         __cpp_lib_constexpr_typeinfo.
2907         * libsupc++/new: Switch to bits/version.h for
2908         __cpp_lib_{launder,hardware_interference_size,destroying_delete}.
2909         (launder): Guard behind __cpp_lib_launder.
2910         (hardware_destructive_interference_size)
2911         (hardware_constructive_interference_size): Guard behind
2912         __cpp_lib_hardware_interference_size.
2913         * libsupc++/exception: Switch to bits/version.h for
2914         __cpp_lib_uncaught_exceptions.
2915         (uncaught_exceptions): Guard behind __cpp_lib_uncaught_exceptions.
2916         * libsupc++/compare: Switch to bits/version.h for
2917         __cpp_lib_three_way_comparison.
2918         (three_way_comparable, three_way_comparable_with)
2919         (compare_three_way, weak_order, strong_order, partial_order):
2920         Guard behind __cpp_lib_three_way_comparison >= 201907L.
2921         * include/std/chrono: Drop __cpp_lib_chrono definition.
2922         * include/std/vector: Switch to bits/version.h for
2923         __cpp_lib_erase_if.
2924         (erase, erase_if): Guard behind __cpp_lib_erase_if.
2925         * include/std/variant: Switch to bits/version.h for
2926         __cpp_lib_variant.  Guard whole header behind that FTM.
2927         * include/std/utility: Switch to bits/version.h for
2928         __cpp_lib_{exchange_function,constexpr_algorithms,as_const},
2929         __cpp_lib_{integer_comparison_functions,to_underlying}, and
2930         __cpp_lib_unreachable.
2931         (exchange): Guard behind __cpp_lib_exchange_function.
2932         (cmp_equal, cmp_not_equal, cmp_less, cmp_greater, cmp_less_equal)
2933         (cmp_greater_equal, in_range): Guard behind
2934         __cpp_lib_integer_comparison_functions.
2935         (to_underlying): Guard behind __cpp_lib_to_underlying.
2936         (unreachable): Guard behind __cpp_lib_unreachable.
2937         * include/std/type_traits: Switch to bits/version.h for
2938         __cpp_lib_is_{null_pointer,final,nothrow_convertible,aggregate},
2939         __cpp_lib_is_{constant_evaluated,invocable,layout_compatible},
2940         __cpp_lib_is_{pointer_interconvertible,scoped_enum,swappable},
2941         __cpp_lib_{logical_traits,reference_from_temporary,remove_cvref},
2942         __cpp_lib_{result_of_sfinae,transformation_trait_aliases},
2943         __cpp_lib_{type_identity,type_trait_variable_templates},
2944         __cpp_lib_{unwrap_ref,void_t,integral_constant_callable},
2945         __cpp_lib_{bool_constant,bounded_array_traits}, and
2946         __cpp_lib_has_unique_object_representations.
2947         (integral_constant::operator()): Guard behind
2948         __cpp_lib_integral_constant_callable.
2949         (bool_constant): Guard behind __cpp_lib_bool_constant.
2950         (conjunction, disjunction, negation, conjunction_v, disjunction_v)
2951         (negation_v): Guard behind __cpp_lib_logical_traits.
2952         (is_null_pointer): Guard behind __cpp_lib_is_null_pointer.
2953         (is_final): Guard behind __cpp_lib_is_final.
2954         (is_nothrow_convertible, is_nothrow_convertible_v): Guard behind
2955         __cpp_lib_is_nothrow_convertible.
2956         (remove_const_t, remove_volatile_t, remove_cv_t)
2957         (add_const_t, add_volatile_t, add_cv_t): Guard behind
2958         __cpp_lib_transformation_trait_aliases.
2959         (void_t): Guard behind __cpp_lib_void_t.
2960         (is_swappable_with_v, is_nothrow_swappable_with_v)
2961         (is_swappable_with, is_nothrow_swappable_with): Guard behind
2962         __cpp_lib_is_swappable.
2963         (is_nothrow_invocable_r, is_invocable_r, invoke_result)
2964         (is_invocable, invoke_result_t): Guard behind
2965         __cpp_lib_is_invocable.
2966         (alignment_of_v, extent_v, has_virtual_destructor_v)
2967         (is_abstract_v, is_arithmetic_v, is_array_v)
2968         (is_assignable_v, is_base_of_v, is_class_v, is_compound_v)
2969         (is_constructible_v, is_const_v, is_convertible_v)
2970         (is_copy_assignable_v, is_copy_constructible_v)
2971         (is_default_constructible_v, is_destructible_v)
2972         (is_empty_v, is_enum_v, is_final_v, is_floating_point_v)
2973         (is_function_v, is_fundamental_v, is_integral_v)
2974         (is_invocable_r_v, is_invocable_v, is_literal_type_v)
2975         (is_lvalue_reference_v, is_member_function_pointer_v)
2976         (is_member_object_pointer_v, is_member_pointer_v)
2977         (is_move_assignable_v, is_move_constructible_v)
2978         (is_nothrow_assignable_v, is_nothrow_constructible_v)
2979         (is_nothrow_copy_assignable_v, is_nothrow_copy_constructible_v)
2980         (is_nothrow_default_constructible_v, is_nothrow_destructible_v)
2981         (is_nothrow_invocable_r_v, is_nothrow_invocable_v)
2982         (is_nothrow_move_assignable_v, is_nothrow_move_constructible_v)
2983         (is_null_pointer_v, is_object_v, is_pod_v, is_pointer_v)
2984         (is_polymorphic_v, is_reference_v, is_rvalue_reference_v)
2985         (is_same_v, is_scalar_v, is_signed_v, is_standard_layout_v)
2986         (is_trivially_assignable_v, is_trivially_constructible_v)
2987         (is_trivially_copyable_v, is_trivially_copy_assignable_v)
2988         (is_trivially_copy_constructible_v)
2989         (is_trivially_default_constructible_v)
2990         (is_trivially_destructible_v, is_trivially_move_assignable_v)
2991         (is_trivially_move_constructible_v, is_trivial_v, is_union_v)
2992         (is_unsigned_v, is_void_v, is_volatile_v, rank_v, as variadic):
2993         Guard behind __cpp_lib_type_trait_variable_templates.
2994         (has_unique_object_representations)
2995         (has_unique_object_representations_v): Guard behind
2996         __cpp_lib_has_unique_object_representation.
2997         (is_aggregate): Guard behind __cpp_lib_is_aggregate.
2998         (remove_cvref, remove_cvref_t): Guard behind
2999         __cpp_lib_remove_cvref.
3000         (type_identity, type_identity_t): Guard behind
3001         __cpp_lib_type_identity.
3002         (unwrap_reference, unwrap_reference_t, unwrap_ref_decay)
3003         (unwrap_ref_decay_t): Guard behind __cpp_lib_unwrap_ref.
3004         (is_bounded_array_v, is_unbounded_array_v, is_bounded_array)
3005         (is_unbounded_array): Guard behind __cpp_lib_bounded_array_traits.
3006         (is_scoped_enum, is_scoped_enum_v): Guard behind
3007         __cpp_lib_is_scoped_enum.
3008         (reference_constructs_from_temporary)
3009         (reference_constructs_from_temporary_v): Guard behind
3010         __cpp_lib_reference_from_temporary.
3011         * include/std/tuple: Switch to bits/version.h for
3012         __cpp_lib_{constexpr_tuple,tuple_by_type,apply_make_from_tuple}.
3013         (get<T>): Guard behind __cpp_lib_tuple_by_type.
3014         (apply): Guard behind __cpp_lib_apply.
3015         (make_from_tuple): Guard behind __cpp_lib_make_from_tuple.
3016         * include/std/syncstream: Switch to bits/version.h for
3017         __cpp_lib_syncbuf.  Guard header behind that FTM.
3018         * include/std/string_view: Switch to bits/version.h for
3019         __cpp_lib_{string_{view,contains},constexpr_string_view} and
3020         __cpp_lib_starts_ends_with.
3021         (basic_string_view::starts_with, basic_string_view::ends_with):
3022         Guard behind __cpp_lib_starts_ends_with.
3023         [C++23 && _GLIBCXX_HOSTED && !defined(__cpp_lib_string_contains)]:
3024         Assert as impossible ithout a bug in C++23.
3025         * include/std/string: Switch to bits/version.h for
3026         __cpp_lib_erase_if.
3027         (erase, erase_if): Guard behind __cpp_lib_erase_if.
3028         * include/std/thread: Switch to bits/version.h for
3029         __cpp_lib_jthread.
3030         * include/std/stop_token: Switch to bits/version.h for
3031         __cpp_lib_jthread.
3032         * include/std/spanstream: Switch to bits/version.h for
3033         __cpp_lib_spanstream.  Guard header behind that FTM.
3034         * include/std/span: Switch to bits/version.h for __cpp_lib_span.
3035         Guard header behind that FTM.
3036         * include/std/source_location: Switch to bits/version.h for
3037         __cpp_lib_source_location.  Guard header with that FTM.
3038         * include/std/shared_mutex: Switch to bits/version.h for
3039         __cpp_lib_shared{,_timed}_mutex.
3040         (shared_mutex): Guard behind __cpp_lib_shared_mutex.
3041         * include/std/semaphore: Switch to bits/version.h for
3042         __cpp_lib_semaphore.  Guard header behind that FTM.
3043         * include/std/ranges: Switch to bits/version.h for
3044         __cpp_lib_ranges_{zip,chunk{,_by},slide,join_with},
3045         __cpp_lib_ranges_{repeat_stride,cartesian_product,as_rvalue},
3046         and __cpp_lib_ranges_{as_const,enumerate,iota}.
3047         (ranges::zip et al, ranges::chunk et al, ranges::slide et al)
3048         (ranges::chunk_by et al, ranges::join_with et al)
3049         (ranges::stride et al, ranges::cartesian_product et al)
3050         (ranges::as_rvalue et al, ranges::as_const et al)
3051         (ranges::enumerate et al): Guard behind appropriate FTM.
3052         * include/std/optional: Switch to bits/version.h for
3053         __cpp_lib_optional.  Guard header behind that FTM.
3054         * include/std/numeric: Switch to bits/version.h for
3055         __cpp_lib_{gcd{,_lcm},lcm,constexpr_numeric,interpolate}
3056         and __cpp_lib_parallel_algorithm.
3057         (gcd, lcm): Guard behind __cpp_lib_gcd_lcm.
3058         (midpoint): Guard behind __cpp_lib_interpolate.
3059         * include/std/numbers: Switch to bits/version.h for
3060         __cpp_lib_math_constants.  Guard header behind that FTM.
3061         * include/std/mutex: Switch to bits/version.h for
3062         __cpp_lib_scoped_lock.
3063         (scoped_Lock): Guard behind __cpp_lib_scoped_lock.
3064         * include/std/memory_resource: Switch to bits/version.h for
3065         __cpp_lib_{polymorphic_allocator,memory_resource}.
3066         (synchronized_pool_resource): Guard behind
3067         __cpp_lib_memory_resource >= 201603L.
3068         (polymorphic_allocator): Guard behind
3069         __cpp_lib_polymorphic_allocator.
3070         * include/std/memory: Switch to bits/version.h for
3071         __cpp_lib_{parallel_algorithm,atomic_value_initialization}.
3072         * include/std/list: Switch to bits/version.h for
3073         __cpp_lib_erase_if.
3074         (erase, erase_if): Guard behind __cpp_lib_erase_if.
3075         * include/std/latch: Switch to bits/version.h for __cpp_lib_latch.
3076         Guard header behind that FTM.
3077         * include/std/iterator: Switch to bits/version.h for
3078         __cpp_lib_null_iterators.
3079         * include/std/iomanip: Switch to bits/version.h for
3080         __cpp_lib_quoted_string_io.
3081         (quoted): Guard behind __cpp_lib_quoted_string_io.
3082         * include/std/functional: Switch to bits/version.h for
3083         __cpp_lib_{invoke{,_r},constexpr_functional,bind_front} and
3084         __cpp_lib_{not_fn,booyer_moore_searcher}.
3085         (invoke): Guard behind __cpp_lib_invoke.
3086         (invoke_r): Guard behind __cpp_lib_invoke_r.
3087         (bind_front): Guard behind __cpp_lib_bind_front.
3088         (not_fn): Guard behind __cpp_lib_not_fn.
3089         (boyer_moore_searcher, boyer_moore_horspool_searcher): Guard
3090         definition behind __cpp_lib_boyer_moore_searcher.
3091         * include/std/forward_list: Switch to bits/version.h for
3092         __cpp_lib_erase_if.
3093         (erase, erase_if): Guard behind __cpp_lib_erase_if.
3094         * include/std/format: Switch to bits/version.h for
3095         __cpp_lib_format.  Guard header behind that FTM.
3096         * include/std/filesystem: Switch to bits/version.h for
3097         __cpp_lib_filesystem.  Guard header behind that FTM.
3098         * include/std/expected: Switch to bits/version.h for
3099         __cpp_lib_expected.  Guard header behind it.
3100         * include/std/execution: Switch to bits/version.h for
3101         __cpp_lib_{execution,parallel_algorithm}.  Guard header behind
3102         either.
3103         * include/std/deque: Switch to bits/version.h for
3104         __cpp_lib_erase_if.
3105         (erase, erase_if): Guard behind __cpp_lib_erase_if.
3106         * include/std/coroutine: Switch to bits/version.h for
3107         __cpp_lib_coroutine.  Guard header behind that FTM.
3108         * include/std/concepts: Switch to bits/version.h for
3109         __cpp_lib_concepts.  Guard header behind that FTM.
3110         * include/std/complex: Switch to bits/version.h for
3111         __cpp_lib_{complex_udls,constexpr_complex}.
3112         (operator""if, operator""i, operator""il): Guard behind
3113         __cpp_lib_complex_udls.
3114         * include/std/charconv: Swtich to bits/version.h for
3115         __cpp_lib_{to_chars,constexpr_charconv}.
3116         * include/std/bitset: Switch to bits/version.h for
3117         __cpp_lib_constexpr_bitset.
3118         * include/std/bit: Switch to bits/version.h for
3119         __cpp_lib_{bit_cast,byteswap,bitops,int_pow2,endian}.
3120         (bit_cast): Guard behind __cpp_lib_bit_cast.
3121         (byteswap): Guard behind __cpp_lib_byteswap.
3122         (rotl, rotr, countl_zero, countl_one, countr_zero, countr_one)
3123         (popcount): Guard behind __cpp_lib_bitops.
3124         (has_single_bit, bit_ceil, bit_floor, bit_width): Guard behind
3125         __cpp_lib_int_pow2.
3126         (endian): Guard behind __cpp_lib_endian.
3127         * include/std/barrier: Switch to bits/version.h for
3128         __cpp_lib_barrier.  Guard header behind that FTM.
3129         * include/std/atomic: Switch to bits/version.h for
3130         __cpp_lib_atomic_{is_always_lock_free,float,ref}
3131         and __cpp_lib_lock_free_type_aliases.
3132         (*::is_always_lock_free): Guard behind
3133         __cpp_lib_atomic_is_always_lock_free.
3134         (atomic<float>): Guard behind __cpp_lib_atomic_float.
3135         (atomic_ref): Guard behind __cpp_lib_atomic_ref.
3136         (atomic_signed_lock_free, atomic_unsigned_lock_free): Guard behind
3137         __cpp_lib_atomic_lock_free_type_aliases.
3138         * include/std/array: Switch to bits/version.h for
3139         __cpp_lib_to_array.
3140         (to_array): Guard behind __cpp_lib_to_array.
3141         * include/std/any: Switch to bits/version.h for __cpp_lib_any.
3142         Guard header behind that FTM.
3143         * include/std/algorithm: Switch to bits/version.h for
3144         __cpp_lib_parallel_algorithm.
3145         * include/c_global/cstddef: Switch to bits/version.h for
3146         __cpp_lib_byte.
3147         (byte): Guard behind __cpp_lib_byte.
3148         * include/c_global/cmath: Switch to bits/version.h for
3149         __cpp_lib_{hypot,interpolate}.
3150         (hypot3): Guard behind __cpp_lib_hypot.
3151         (lerp): Guard behind __cpp_lib_interpolate.
3152         * include/c_compatibility/stdatomic.h: Switch to
3153         bits/stl_version.h for __cpp_lib_atomic.  Guard header behind that
3154         FTM.
3155         * include/bits/utility.h: Switch to bits/version.h for
3156         __cpp_lib_{tuple_element_t,integer_sequence,ranges_zip}.
3157         (tuple_element_t): Guard behind __cpp_lib_tuple_element_t.
3158         (integer_sequence et al): Guard behind __cpp_lib_integer_sequence.
3159         * include/bits/uses_allocator_args.h: Switch to bits/version.h for
3160         __cpp_lib_make_obj_using_allocator.  Guard header behind that FTM.
3161         * include/bits/unordered_map.h: Switch to bits/version.h for
3162         __cpp_lib_unordered_map_try_emplace.
3163         (try_emplace): Guard behind __cpp_lib_unordered_map_try_emplace.
3164         * include/bits/unique_ptr.h: Switch to bits/version.h for
3165         __cpp_lib_{constexpr_memory,make_unique}.
3166         (make_unique): Guard behind __cpp_lib_make_unique.
3167         * include/bits/stl_vector.h: Switch to bits/version.h for
3168         __cpp_lib_constexpr_vector.
3169         * include/bits/stl_uninitialized.h: Switch to bits/version.h for
3170         __cpp_lib_raw_memory_algorithms.
3171         (uninitialized_default_construct)
3172         (uninitialized_default_construct_n, uninitialized_move)
3173         (uninitialized_move_n, uninitialized_value_construct)
3174         (uninitialized_value_construct_n): Guard behind
3175         __cpp_lib_raw_memory_algorithms.
3176         * include/bits/stl_tree.h: Switch to bits/version.h for
3177         __cpp_lib_generic_associative_lookup.
3178         * include/bits/stl_stack.h: Switch to bits/version.h for
3179         __cpp_lib_adaptor_iterator_pair_constructor.
3180         (stack): Guard iterator-pair constructor behind
3181         __cpp_lib_adaptor_iterator_pair_constructor.
3182         * include/bits/stl_queue.h: Switch to bits/version.h for
3183         __cpp_lib_adaptor_iterator_pair_constructor.
3184         (queue): Guard iterator-pair constructor behind
3185         __cpp_lib_adaptor_iterator_pair_constructor.
3186         * include/bits/stl_pair.h: Switch to bits/version.h for
3187         __cpp_lib_{concepts,tuples_by_type}.
3188         (get): Guard type-getting overloads behind
3189         __cpp_lib_tuples_by_type.
3190         * include/bits/stl_map.h: Switch to bits/version.h for
3191         __cpp_lib_map_try_emplace.
3192         (map<>::try_emplace): Guard behind __cpp_lib_map_try_emplace.
3193         * include/bits/stl_list.h: Switch to bits/version.h for
3194         __cpp_lib_list_remove_return_type.
3195         (__remove_return_type, _GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG)
3196         [C++20]: guard behind __cpp_lib_list_remove_return_type instead.
3197         * include/bits/stl_iterator.h: Switch to bits/version.h for
3198         __cpp_lib_{constexpr_iterator,array_constexpr} and
3199         __cpp_lib_{make_reverse_iterator,move_iterator_concept}.
3200         (make_reverse_iterator): Guard behind
3201         __cpp_lib_make_reverse_iterator.
3202         (iterator_concept et al): Guard __cpp_lib_move_iterator_concept
3203         changes behind that FTM.
3204         * include/bits/stl_function.h: Switch to bits/version.h for
3205         __cpp_lib_transparent_operators.
3206         (equal_to, not_equal_to, greater, less, greater_equal)
3207         (less_equal, bit_and, bit_or, bit_xor, bit_not, logical_and)
3208         (logical_or, logical_not, plus, minus, multiplies, divides)
3209         (modulus, negate): Guard '= void' fwdecls behind
3210         __cpp_lib_transparent_operators.
3211         (plus<void>, minus<void>, multiplies<void>, divides<void>)
3212         (modulus<void>, negate<void>, logical_and<void>, logical_or<void>)
3213         (logical_not<void>, bit_and<void>, bit_or<void>, bit_xor<void>)
3214         (equal_to<void>, not_equal_to<void>, greater<void>, less<void>)
3215         (greater_equal<void>, less_equal<void>, bit_not<void>)
3216         (__has_is_transparent): Guard behind
3217         __cpp_lib_transparent_operators.
3218         * include/bits/stl_algobase.h: Switch to bits/version.h for
3219         __cpp_lib_robust_nonmodifying_seq_ops.
3220         (robust equal, mismatch): Guard behind
3221         __cpp_lib_nonmember_container_access.
3222         * include/bits/stl_algo.h: Swtich to bits/version.h for
3223         __cpp_lib_{clamp,sample}.
3224         (clamp): Guard behind __cpp_lib_clamp.
3225         (sample): Guard behind __cpp_lib_sample.
3226         * include/bits/specfun.h: Switch to bits/version.h for
3227         __cpp_lib_math_special_functions and __STDCPP_MATH_SPEC_FUNCS__.
3228         * include/bits/shared_ptr_base.h: Switch to bits/version.h for
3229         __cpp_lib_{smart_ptr_for_overwrite,shared_ptr_arrays}.
3230         (_Sp_overwrite_tag): Guard behind
3231         __cpp_lib_smart_ptr_for_overwrite.
3232         * include/bits/shared_ptr_atomic.h: Switch to bits/version.h for
3233         __cpp_lib_atomic_shared_ptr.
3234         * include/bits/shared_ptr.h: Switch to bits/version.h for
3235         __cpp_lib_{enable_shared_from_this,shared_ptr_weak_type}.
3236         (shared_ptr<T>::weak_type): Guard behind
3237         __cpp_lib_shared_ptr_weak_type.
3238         (enable_shared_from_this<T>::weak_from_this): Guard behind
3239         __cpp_lib_enable_shared_from_this.
3240         * include/bits/ranges_cmp.h: Switch to bits/version.h for
3241         __cpp_lib_ranges.
3242         * include/bits/ranges_algo.h: Switch to bits/version.h for
3243         __cpp_lib_{shift,ranges_{contains,find_last,fold,iota}}.
3244         * include/bits/range_access.h: Switch to bits/version.h for
3245         __cpp_lib_nonmember_container_access
3246         (size, empty, data): Guard behind
3247         __cpp_lib_nonmember_container_access.
3248         (ssize): Guard behind __cpp_lib_ssize.
3249         * include/bits/ptr_traits.h: Switch to bits/version.h. for
3250         __cpp_lib_{constexpr_memory,to_address}.
3251         (to_address): Guard behind __cpp_lib_to_address.
3252         * include/bits/node_handle.h: Switch to bits/version.h for
3253         __cpp_lib_node_extract.  Guard header behind that FTM.
3254         * include/bits/move_only_function.h: Switch to bits/version.h for
3255         __cpp_lib_move_only_function.  Guard header behind that FTM.
3256         * include/bits/move.h: Switch to bits/version.h for
3257         __cpp_lib_addressof_constexpr.
3258         * include/bits/ios_base.h: Switch to bits/version.h for
3259         __cpp_lib_ios_noreplace.
3260         (noreplace): Guard with __cpp_lib_ios_noreplace.
3261         * include/bits/hashtable.h: Switch to bits/version.h for
3262         __cpp_lib_generic_unordered_lookup.
3263         (_M_equal_range_tr, _M_count_tr, _M_find_tr): Guard behind
3264         __cpp_lib_generic_unordered_lookup.
3265         * include/bits/forward_list.h: Switch to bits/version.h for
3266         __cpp_lib_list_remove_return_type.
3267         (__remove_return_type): Guard behind
3268         __cpp_lib_list_remove_return_type.
3269         * include/bits/erase_if.h: Switch to bits/version.h for
3270         __cpp_lib_erase_if.
3271         * include/bits/cow_string.h: Switch to bits/version.h for
3272         __cpp_lib_constexpr_string.
3273         * include/bits/chrono.h: Swtich to bits/version.h for
3274         __cpp_lib_chrono{,_udls}.
3275         (ceil): Guard behind __cpp_lib_chrono.
3276         (operator""ns et al): Guard behind __cpp_lib_chrono_udls.
3277         * include/bits/char_traits.h: Switch to bits/version.h for
3278         __cpp_lib_constexpr_char_traits.
3279         * include/bits/basic_string.h: Switch to bits/version.h for
3280         __cpp_lib_{constexpr_string,string_{resize_and_overwrite,udls}}.
3281         (resize_and_overwrite): Guard behind
3282         __cpp_lib_string_resize_and_overwrite.
3283         (operator""s): Guard behind __cpp_lib_string_udls.
3284         * include/bits/atomic_wait.h: Switch to bits/version.h for
3285         __cpp_lib_atomic_wait.  Guard header behind that FTM.
3286         * include/bits/atomic_base.h: Switch to bits/version.h for
3287         __cpp_lib_atomic_value_initialization and
3288         __cpp_lib_atomic_flag_test.
3289         (atomic_flag::test): Guard behind __cpp_lib_atomic_flag_test,
3290         rather than C++20.
3291         * include/bits/allocator.h: Switch to bits/version.h for
3292         __cpp_lib_incomplete_container_elements.
3293         * include/bits/alloc_traits.h: Switch to using bits/version.h for
3294         __cpp_lib_constexpr_dynamic_alloc and
3295         __cpp_lib_allocator_traits_is_always_equal.
3296         * include/bits/align.h: Switch to bits/version.h for defining
3297         __cpp_lib_assume_aligned.
3298         (assume_aligned): Guard with __cpp_lib_assume_aligned.
3299         * include/bits/algorithmfwd.h: Switch to bits/version.h for
3300         defining __cpp_lib_constexpr_algorithms.
3301         * include/std/stacktrace: Switch to bits/version.h for
3302         __cpp_lib_stacktrace.  Guard header behind that FTM.
3303         * testsuite/23_containers/array/tuple_interface/get_neg.cc:
3304         Update line numbers.
3305
3306 2023-08-16  Arsen Arsenović  <arsen@aarsen.me>
3307
3308         * include/Makefile.am (bits_freestanding): Add version.h.
3309         (allcreated): Add version.h.
3310         (${bits_srcdir}/version.h): New rule.  Regenerates
3311         version.h out of version.{def,tpl}.
3312         * include/Makefile.in: Regenerate.
3313         * include/bits/version.def: New file.  Declares a list of
3314         all feature test macros, their values and their preconditions.
3315         * include/bits/version.tpl: New file.  Turns version.def
3316         into a sequence of #if blocks.
3317         * include/bits/version.h: New file.  Generated from
3318         version.def.
3319         * include/std/version: Replace with a __glibcxx_want_all define
3320         and bits/version.h include.
3321
3322 2023-08-14  Paul Dreik  <gccpatches@pauldreik.se>
3323
3324         PR libstdc++/110860
3325         * include/std/format (__formatter_fp::format): Use frexp instead
3326         of log10.
3327
3328 2023-08-12  Ken Matsui  <kmatsui@gcc.gnu.org>
3329
3330         * include/std/type_traits (true_type): Use __bool_constant
3331         instead.
3332         (false_type): Likewise.
3333         (bool_constant): Likewise.
3334
3335 2023-08-11  Jonathan Wakely  <jwakely@redhat.com>
3336
3337         PR libstdc++/110990
3338         * include/std/format (_Seq_sink::get): Only call _M_overflow if
3339         its precondition is met.
3340         (_Iter_sink::_M_finish): Likewise.
3341         (_Iter_sink<C, ContigIter>::_M_overflow): Only switch to the
3342         internal buffer after running out of space.
3343         (_Iter_sink<C, ContigIter>::_M_finish): Do not use _M_overflow.
3344         (_Counting_sink::count): Likewise.
3345         * testsuite/std/format/functions/format_to_n.cc: Check cases
3346         where the output fits into the buffer.
3347
3348 2023-08-11  Jonathan Wakely  <jwakely@redhat.com>
3349
3350         PR libstdc++/104167
3351         * include/bits/chrono_io.h (operator|=, operator|): Add noexcept
3352         to _ChronoParts operators.
3353         (from_stream, parse): Define new functions.
3354         (__detail::_Parse, __detail::_Parser): New class templates.
3355         * include/std/chrono (__cpp_lib_chrono): Define to 201907L for
3356         C++20.
3357         * include/std/version (__cpp_lib_chrono): Likewise.
3358         * testsuite/20_util/duration/arithmetic/constexpr_c++17.cc:
3359         Adjust expected value of feature test macro.
3360         * testsuite/20_util/duration/io.cc: Test parsing.
3361         * testsuite/std/time/clock/file/io.cc: Likewise.
3362         * testsuite/std/time/clock/gps/io.cc: Likewise.
3363         * testsuite/std/time/clock/system/io.cc: Likewise.
3364         * testsuite/std/time/clock/tai/io.cc: Likewise.
3365         * testsuite/std/time/clock/utc/io.cc: Likewise.
3366         * testsuite/std/time/day/io.cc: Likewise.
3367         * testsuite/std/time/month/io.cc: Likewise.
3368         * testsuite/std/time/month_day/io.cc: Likewise.
3369         * testsuite/std/time/weekday/io.cc: Likewise.
3370         * testsuite/std/time/year/io.cc: Likewise.
3371         * testsuite/std/time/year_month/io.cc: Likewise.
3372         * testsuite/std/time/year_month_day/io.cc: Likewise.
3373         * testsuite/std/time/syn_c++20.cc: Check value of macro and for
3374         the existence of parse and from_stream in namespace chrono.
3375         * testsuite/std/time/clock/local/io.cc: New test.
3376         * testsuite/std/time/parse.cc: New test.
3377
3378 2023-08-11  Jonathan Wakely  <jwakely@redhat.com>
3379
3380         PR libstdc++/110860
3381         * include/std/format (__formatter_fp::format): Do not call log10
3382         with zero values.
3383
3384 2023-08-11  Jonathan Wakely  <jwakely@redhat.com>
3385
3386         * python/libstdcxx/v6/printers.py (StdChronoCalendarPrinter):
3387         Check for out-of-range month an weekday indices.
3388         * testsuite/libstdc++-prettyprinters/chrono.cc: Check invalid
3389         month and weekday values.
3390
3391 2023-08-11  Jonathan Wakely  <jwakely@redhat.com>
3392
3393         * include/bits/stl_iterator.h (__clamped_iter_cat_t): Remove.
3394
3395 2023-08-10  Jonathan Wakely  <jwakely@redhat.com>
3396
3397         PR libstdc++/110974
3398         * include/std/format (_Spec::_S_parse_width_or_precision): Check
3399         for empty range before dereferencing iterator.
3400         * testsuite/std/format/string.cc: Check for expected exception.
3401         Fix expected exception message in test_pr110862() and actually
3402         call it.
3403
3404 2023-08-10  Jonathan Wakely  <jwakely@redhat.com>
3405
3406         PR libstdc++/110968
3407         * include/std/format (__formatter_fp::format): Check return
3408         value of _M_localize.
3409         * testsuite/std/format/functions/format.cc: Check classic
3410         locale.
3411
3412 2023-08-10  Jonathan Wakely  <jwakely@redhat.com>
3413
3414         PR libstdc++/110970
3415         * include/bits/stl_iterator.h (__detail::__move_iter_cat): Use
3416         __iter_category_t.
3417         (iterator_traits<common_iterator<I, S>>::_S_iter_cat): Likewise.
3418         (__detail::__basic_const_iterator_iter_cat): Likewise.
3419         * include/bits/stl_iterator_base_types.h (__iterator_category_t):
3420         Rename to __iter_category_t.
3421
3422 2023-08-09  Jonathan Wakely  <jwakely@redhat.com>
3423
3424         * include/bits/chrono.h (duration_cast): Do not use braces
3425         around statements for C++11 constexpr rules.
3426         * include/bits/stl_algobase.h (__lg): Rewrite as a single
3427         statement for C++11 constexpr rules.
3428         * include/experimental/bits/fs_path.h (path::string): Use
3429         _GLIBCXX17_CONSTEXPR not _GLIBCXX_CONSTEXPR for 'if constexpr'.
3430         * include/std/charconv (__to_chars_8): Initialize variable for
3431         C++17 constexpr rules.
3432
3433 2023-08-09  Jonathan Wakely  <jwakely@redhat.com>
3434
3435         * include/bits/list.tcc (list::sort(Cmp)): Fix -Wsign-compare
3436         warning for loop condition.
3437
3438 2023-08-09  Jonathan Wakely  <jwakely@redhat.com>
3439
3440         * include/std/complex: Add diagnostic pragma for clang.
3441
3442 2023-08-09  Jonathan Wakely  <jwakely@redhat.com>
3443
3444         * include/bits/shared_ptr_atomic.h (atomic): Change class-head
3445         to struct.
3446         * include/bits/stl_tree.h (_Rb_tree_merge_helper): Change
3447         class-head to struct in friend declaration.
3448         * include/std/chrono (tzdb_list::_Node): Likewise.
3449         * include/std/future (_Task_state_base, _Task_state): Likewise.
3450         * include/std/scoped_allocator (__inner_type_impl): Likewise.
3451         * include/std/valarray (_BinClos, _SClos, _GClos, _IClos)
3452         (_ValFunClos, _RefFunClos): Change class-head to struct.
3453
3454 2023-08-09  Jonathan Wakely  <jwakely@redhat.com>
3455
3456         * include/bits/alloc_traits.h (allocate): Add [[maybe_unused]]
3457         attribute.
3458         * include/bits/regex_executor.tcc: Remove name of unused
3459         parameter.
3460         * include/bits/shared_ptr_atomic.h (atomic_is_lock_free):
3461         Likewise.
3462         * include/bits/stl_uninitialized.h: Likewise.
3463         * include/bits/streambuf_iterator.h (operator==): Likewise.
3464         * include/bits/uses_allocator.h: Likewise.
3465         * include/c_global/cmath (isfinite, isinf, isnan): Likewise.
3466         * include/std/chrono (zoned_time): Likewise.
3467         * include/std/future (__future_base::_S_allocate_result):
3468         Likewise.
3469         (packaged_task): Likewise.
3470         * include/std/optional (_Optional_payload_base): Likewise.
3471         * include/std/scoped_allocator (__inner_type_impl): Likewise.
3472         * include/std/tuple (_Tuple_impl): Likewise.
3473
3474 2023-08-09  Jonathan Wakely  <jwakely@redhat.com>
3475
3476         * include/bits/new_allocator.h (__new_allocator): Define copy
3477         assignment operator as defaulted.
3478         * include/std/complex (complex<float>, complex<double>)
3479         (complex<long double>): Define copy constructor as defaulted.
3480
3481 2023-08-09  Jonathan Wakely  <jwakely@redhat.com>
3482
3483         * include/std/format: Fix some warnings.
3484         (__format::__write(Ctx&, basic_string_view<CharT>)): Remove
3485         unused function template.
3486
3487 2023-08-07  Jonathan Wakely  <jwakely@redhat.com>
3488
3489         PR libstdc++/110860
3490         * include/std/format (__formatter_fp::format): Do not use
3491         __builtin_abs and __builtin_log10 with arbitrary floating-point
3492         types.
3493
3494 2023-08-07  Jonathan Wakely  <jwakely@redhat.com>
3495
3496         PR libstdc++/110917
3497         * include/std/format (__format::_Iter_sink<CharT, OutIter>):
3498         Constrain partial specialization for contiguous iterators to
3499         require the value type to be CharT.
3500         * testsuite/std/format/functions/format_to.cc: New test.
3501
3502 2023-08-07  Jonathan Wakely  <jwakely@redhat.com>
3503
3504         PR libstdc++/110862
3505         * include/std/format (_Scanner::_M_on_replacement_field):
3506         Check for expected '}' before incrementing iterator.
3507         * testsuite/std/format/string.cc: Check "{0:{0}" format string.
3508
3509 2023-08-07  Nick Alcock  <nick.alcock@oracle.com>
3510
3511         * configure: Regenerate.
3512
3513 2023-08-07  Alan Modra  <amodra@gmail.com>
3514
3515         * configure: Regenerate.
3516
3517 2023-08-07  Alexander von Gluck IV  <kallisti5@unixzen.com>
3518
3519         * configure: Regenerate.
3520
3521 2023-08-07  Nick Alcock  <nick.alcock@oracle.com>
3522
3523         * configure: Regenerate.
3524
3525 2023-08-07  Nick Alcock  <nick.alcock@oracle.com>
3526
3527         * configure: Regenerate.
3528
3529 2023-08-07  H.J. Lu  <hjl.tools@gmail.com>
3530
3531         * configure: Regenerate.
3532
3533 2023-08-07  H.J. Lu  <hjl.tools@gmail.com>
3534
3535         * configure: Regenerate.
3536
3537 2023-08-06  François Dumont  <fdumont@gcc.gnu.org>
3538
3539         * config/abi/pre/gnu-versioned-namespace.ver: Add __cxa_call_terminate
3540         symbol export.
3541
3542 2023-07-30  François Dumont  <fdumont@gcc.gnu.org>
3543
3544         * src/c++11/compatibility-ldbl-facets-aliases.h: Replace #define with
3545         proper #error.
3546         * src/c++11/locale-inst-monetary.h: Likewise.
3547         * src/c++11/locale-inst-numeric.h: Likewise.
3548
3549 2023-07-27  Jonathan Wakely  <jwakely@redhat.com>
3550
3551         PR libstdc++/108046
3552         * include/std/format (__formatter_fp::format): Ensure __expc is
3553         always set for all presentation types. Set __z correctly for
3554         zero precision.
3555         * testsuite/std/format/functions/format.cc: Check problem cases.
3556
3557 2023-07-26  Jonathan Wakely  <jwakely@redhat.com>
3558
3559         PR libstdc++/110807
3560         * testsuite/23_containers/vector/bool/110807.cc: Require c++11.
3561
3562 2023-07-26  Jonathan Wakely  <jwakely@redhat.com>
3563
3564         PR libstdc++/110807
3565         * include/bits/stl_bvector.h (vector(const vector&)): Access
3566         iterators before allocating.
3567         * include/bits/vector.tcc (vector<bool>::_M_insert_range):
3568         Likewise.
3569         * testsuite/23_containers/vector/bool/110807.cc: New test.
3570
3571 2023-07-26  Jonathan Wakely  <jwakely@redhat.com>
3572
3573         * include/bits/algorithmfwd.h (random_shuffle): Add deprecated
3574         attribute.
3575         * include/bits/stl_algo.h (random_shuffle): Correct comments.
3576         * testsuite/25_algorithms/random_shuffle/1.cc: Disable
3577         deprecated warnings.
3578         * testsuite/25_algorithms/random_shuffle/59603.cc: Likewise.
3579         * testsuite/25_algorithms/random_shuffle/moveable.cc: Likewise.
3580         * testsuite/25_algorithms/random_shuffle/deprecated.cc: New
3581         test.
3582
3583 2023-07-26  Nathaniel Shead  <nathanieloshead@gmail.com>
3584
3585         * testsuite/25_algorithms/equal/constexpr_neg.cc: Update diagnostic
3586         locations.
3587         * testsuite/26_numerics/gcd/105844.cc: Likewise.
3588         * testsuite/26_numerics/lcm/105844.cc: Likewise.
3589
3590 2023-07-24  Deev Patel  <pateldeev@nevada.unr.edu>
3591
3592         * include/std/format (_Formatting_scanner::_M_on_chars): Add
3593         missing constexpr specifier.
3594         (_Formatting_scanner::_M_format_arg): Likewise.
3595
3596 2023-07-24  Jonathan Wakely  <jwakely@redhat.com>
3597
3598         PR libstdc++/110653
3599         * include/bits/basic_string.h [!HAVE_STOF] (stof): Do not
3600         throw an exception for zero result.
3601         [HAVE_BROKEN_STRTOLD] (stold): Do not use strtold.
3602
3603 2023-07-19  Jonathan Wakely  <jwakely@redhat.com>
3604
3605         PR libstdc++/110077
3606         * src/c++17/floating_from_chars.cc (from_chars): Only define
3607         _Float128 overload when using __strfromf128.
3608
3609 2023-07-19  Jonathan Wakely  <jwakely@redhat.com>
3610
3611         PR libstdc++/110593
3612         * include/bits/chrono.h (duration): Improve static assert
3613         messages.
3614         (__is_ratio): Move to ...
3615         * include/std/ratio (__is_ratio): ... here.
3616         (__is_ratio_v): New variable template and partial
3617         specialization.
3618         (__are_both_ratios): New function template.
3619         (__ratio_multiply, ratio_equal, ratio_less, __ratio_add):
3620         Add static assertion.
3621         * testsuite/20_util/ratio/requirements/type_constraints.cc:
3622         New test.
3623         * testsuite/20_util/duration/requirements/typedefs_neg1.cc:
3624         Adjust expected error.
3625         * testsuite/20_util/duration/requirements/typedefs_neg2.cc:
3626         Likewise.
3627
3628 2023-07-19  Jonathan Wakely  <jwakely@redhat.com>
3629
3630         * include/bits/chrono_io.h (__formatter_chrono::_M_format):
3631         Do not set __is_neg for hh_mm_ss before calling
3632         _M_format_to_ostream. Change __print_sign lambda to only check
3633         __is_neg for durations and hh_mm_ss types.
3634         (__formatter_chrono::_M_format_to_ostream): Only check __is_neg
3635         for duration types.
3636         * testsuite/std/time/hh_mm_ss/io.cc: Check negative values.
3637
3638 2023-07-19  Jonathan Wakely  <jwakely@redhat.com>
3639
3640         PR libstdc++/110719
3641         * include/bits/chrono_io.h (__formatter_chrono::_S_floor_seconds):
3642         Handle duration and hh_mm_ss.
3643         * testsuite/20_util/duration/io.cc: Check locale-specific
3644         formats.
3645         * testsuite/std/time/hh_mm_ss/io.cc: Likewise.
3646
3647 2023-07-19  Jonathan Wakely  <jwakely@redhat.com>
3648
3649         * include/std/format (__write_padded): Initialize first element
3650         of array to avoid a -Wmaybe-uninitialized warning.
3651
3652 2023-07-19  Jonathan Wakely  <jwakely@redhat.com>
3653
3654         PR libstdc++/110719
3655         * include/bits/chrono_io.h (__formatter_chrono::_M_parse): Fix
3656         allowed modifiers for %z and %Z. Fix -Wparentheses and
3657         -Wnarrowing warnings.
3658         (__formatter_chrono::_M_format): Call new functions for %d, %e,
3659         %H, %I, %m and %M.
3660         (__formatter_chrono::_M_c): Use _S_floor_seconds to remove
3661         subsecond precision.
3662         (__formatter_chrono::_M_C_y_Y): Use _M_locale_fmt to handle
3663         modifiers.
3664         (__formatter_chrono::_M_e): Replace with _M_d_e and use
3665         _M_locale_fmt.
3666         (__formatter_chrono::_M_I): Replace with _M_H_I and use
3667         _M_locale_fmt.
3668         (__formatter_chrono::_M_m): New function.
3669         (__formatter_chrono::_M_M): New function.
3670         (__formatter_chrono::_M_r): Use _M_locale_fmt.
3671         (__formatter_chrono::_M_S): Likewise.
3672         (__formatter_chrono::_M_u_w): Likewise.
3673         (__formatter_chrono::_M_U_V_W): Likewise.
3674         (__formatter_chrono::_M_X): Use _S_floor_seconds.
3675         (__formatter_chrono::_M_Z): Fix untested branch for wchar_t.
3676         (__formatter_chrono::_S_altnum): Remove function.
3677         (__formatter_chrono::_S_dd_zero_fill): Remove function.
3678         (__formatter_chrono::_S_floor_seconds): New function.
3679         (__formatter_chrono::_M_locale_fmt): New function.
3680         * testsuite/std/time/clock/system/io.cc: Adjust expected output
3681         for locale-specific formats and check modified formats.
3682         * testsuite/std/time/clock/utc/io.cc: Likewise.
3683         * testsuite/std/time/zoned_time/io.cc: New test.
3684
3685 2023-07-19  Jonathan Wakely  <jwakely@redhat.com>
3686
3687         PR libstdc++/110708
3688         * include/bits/chrono_io.h (__formatter_chrono::_M_parse): Only
3689         allow a single modifier.
3690         * testsuite/std/time/format.cc: Check multiple modifiers.
3691
3692 2023-07-19  Jonathan Wakely  <jwakely@redhat.com>
3693
3694         PR libstdc++/110653
3695         * testsuite/21_strings/basic_string/numeric_conversions/char/stod.cc:
3696         Remove dg-require-string-conversions.
3697         * testsuite/21_strings/basic_string/numeric_conversions/char/stof.cc:
3698         Likewise.
3699         * testsuite/21_strings/basic_string/numeric_conversions/char/stoi.cc:
3700         Likewise.
3701         * testsuite/21_strings/basic_string/numeric_conversions/char/stol.cc:
3702         Likewise.
3703         * testsuite/21_strings/basic_string/numeric_conversions/char/stoul.cc:
3704         Likewise.
3705
3706 2023-07-19  Jonathan Wakely  <jwakely@redhat.com>
3707
3708         PR libstdc++/110653
3709         * include/bits/basic_string.h [!_GLIBCXX_HAVE_STRTOF] (stof):
3710         Define in terms of std::stod.
3711
3712 2023-07-19  Jonathan Wakely  <jwakely@redhat.com>
3713
3714         PR libstdc++/110653
3715         * include/bits/basic_string.h [_GLIBCXX_HAVE_STRTOF] (stof):
3716         Define.
3717         [_GLIBCXX_HAVE_STRTOLD] (stold): Define.
3718         * include/c_global/cstdlib [_GLIBCXX_HAVE_STRTOF] (strtof):
3719         Declare in namespace std.
3720         [_GLIBCXX_HAVE_STRTOLD] (strtold): Likewise.
3721
3722 2023-07-13  Jonathan Wakely  <jwakely@redhat.com>
3723
3724         PR libstdc++/110653
3725         * include/bits/basic_string.h (stoi, stol, stoul, stod): Do not
3726         depend on _GLIBCXX_USE_C99_STDLIB.
3727         [__LONG_WIDTH__ == __LONG_LONG_WIDTH__] (stoll, stoull): Define
3728         in terms of stol and stoul respectively.
3729         [__DBL_MANT_DIG__ == __LDBL_MANT_DIG__] (stold): Define in terms
3730         of stod.
3731
3732 2023-07-12  Jonathan Wakely  <jwakely@redhat.com>
3733
3734         PR libstdc++/95048
3735         * testsuite/27_io/filesystem/path/construct/95048.cc: Check
3736         conversions to wide strings.
3737         * testsuite/experimental/filesystem/path/construct/95048.cc:
3738         Likewise.
3739
3740 2023-07-12  Jonathan Wakely  <jwakely@redhat.com>
3741
3742         * config/io/basic_file_stdio.cc: Define LFS macros.
3743         (__basic_file<char>::open): Use fopen unconditionally.
3744         (get_file_offset): Use lseek unconditionally.
3745         (__basic_file<char>::seekoff): Likewise.
3746         (__basic_file<char>::showmanyc): Use fstat unconditionally.
3747
3748 2023-07-12  Jonathan Wakely  <jwakely@redhat.com>
3749
3750         PR libstdc++/110574
3751         * acinclude.m4 (GLIBCXX_CHECK_LFS): Check for fseeko and ftello
3752         and define _GLIBCXX_USE_FSEEKO_FTELLO.
3753         * config.h.in: Regenerate.
3754         * configure: Regenerate.
3755         * config/io/basic_file_stdio.cc (xwrite) [_GLIBCXX_USE_STDIO_PURE]:
3756         Check for fwrite error correctly.
3757         (__basic_file<char>::xsgetn) [_GLIBCXX_USE_STDIO_PURE]: Check for
3758         fread error correctly.
3759         (get_file_offset): New function.
3760         (__basic_file<char>::seekoff) [_GLIBCXX_USE_STDIO_PURE]: Use
3761         fseeko if available. Use get_file_offset instead of return value
3762         of fseek.
3763         (__basic_file<char>::showmanyc): Use get_file_offset.
3764
3765 2023-07-12  Ken Matsui  <kmatsui@gcc.gnu.org>
3766
3767         * include/std/type_traits (__make_unsigned_selector): Use
3768         __is_enum built-in trait.
3769         (__make_signed_selector): Likewise.
3770         (__underlying_type_impl): Likewise.
3771
3772 2023-07-06  Tianqiang Shuai  <1101282468@qq.com>
3773
3774         * config/io/basic_file_stdio.cc (xwrite) [USE_STDIO_PURE]: Fix
3775         first argument.
3776
3777 2023-07-06  Jonathan Wakely  <jwakely@redhat.com>
3778
3779         PR libstdc++/110574
3780         * doc/xml/manual/configure.xml: Describe stdio_pure argument to
3781         --enable-cstdio.
3782         * doc/html/manual/configure.html: Regenerate.
3783
3784 2023-07-05  Thomas Rodgers  <trodgers@redhat.com>
3785
3786         * testsuite/25_algorithms/pstl/alg_sorting/set.cc: Delete
3787         file.
3788         * testsuite/25_algorithms/pstl/alg_sorting/set_difference.cc:
3789         New file.
3790         * testsuite/25_algorithms/pstl/alg_sorting/set_intersection.cc:
3791         Likewise.
3792         * testsuite/25_algorithms/pstl/alg_sorting/set_symmetric_difference.cc:
3793         Likewise.
3794         * testsuite/25_algorithms/pstl/alg_sorting/set_union.cc:
3795         Likewise.
3796         * testsuite/25_algorithms/pstl/alg_sorting/set_util.h:
3797         Likewise.
3798
3799 2023-07-05  Jonathan Wakely  <jwakely@redhat.com>
3800
3801         * testsuite/23_containers/forward_list/debug/iterator1_neg.cc:
3802         Skip as UNSUPPORTED for C++98 mode.
3803         * testsuite/23_containers/forward_list/debug/iterator3_neg.cc:
3804         Likewise.
3805
3806 2023-07-05  Jonathan Wakely  <jwakely@redhat.com>
3807
3808         PR libstdc++/110542
3809         * include/bits/stl_uninitialized.h (__uninitialized_default_n):
3810         Do not use std::fill_n during constant evaluation.
3811
3812 2023-07-05  Jonathan Wakely  <jwakely@redhat.com>
3813
3814         * include/bits/vector.tcc (_M_default_append): Replace try-block
3815         with RAII types.
3816
3817 2023-07-05  Jonathan Wakely  <jwakely@redhat.com>
3818
3819         * include/bits/iterator_concepts.h (projected): Add typename.
3820
3821 2023-07-03  Jonathan Wakely  <jwakely@redhat.com>
3822
3823         * testsuite/27_io/headers/iosfwd/synopsis.cc: Make wsyncbuf and
3824         wosyncstream depend on _GLIBCXX_USE_CXX11_ABI.
3825
3826 2023-07-03  Jonathan Wakely  <jwakely@redhat.com>
3827
3828         * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
3829         _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
3830         Define to OpenMP 5.0 pragmas even for GCC 10.0+.
3831         (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
3832
3833 2023-07-03  Jonathan Wakely  <jwakely@redhat.com>
3834
3835         * include/bits/alloc_traits.h (_Destroy): Qualify call.
3836         * include/bits/stl_construct.h (_Destroy, _Destroy_n): Likewise.
3837         * testsuite/23_containers/vector/cons/destroy-adl.cc: New test.
3838
3839 2023-07-03  Iain Sandoe  <iain@sandoe.co.uk>
3840
3841         * testsuite/lib/libstdc++.exp: Remove additional flag handled
3842         by Darwin specs.
3843
3844 2023-06-30  Jonathan Wakely  <jwakely@redhat.com>
3845
3846         PR libstdc++/110432
3847         * acinclude.m4 (GLIBCXX_CHECK_INIT_PRIORITY): New.
3848         * config.h.in: Regenerate.
3849         * configure: Regenerate.
3850         * configure.ac: Use GLIBCXX_CHECK_INIT_PRIORITY.
3851         * include/std/iostream: Use new autoconf macro as well as
3852         __has_attribute.
3853         * src/c++98/ios_base_init.h: Use new autoconf macro instead of
3854         __has_attribute.
3855
3856 2023-06-30  Jonathan Wakely  <jwakely@redhat.com>
3857
3858         * src/c++11/random.cc (random_device::_M_init): Add maybe_unused
3859         attribute.
3860
3861 2023-06-30  Jonathan Wakely  <jwakely@redhat.com>
3862
3863         PR libstdc++/105081
3864         * src/c++11/random.cc (random_device::_M_init): Throw
3865         std::system_error when the requested device is a valid token but
3866         not available at runtime.
3867
3868 2023-06-30  Hans-Peter Nilsson  <hp@axis.com>
3869
3870         PR libstdc++/108672
3871         * include/pstl/unseq_backend_simd.h (__simd_or): Re-apply using
3872         __INT32_TYPE__ instead of int32_t.
3873
3874 2023-06-29  Jonathan Wakely  <jwakely@redhat.com>
3875
3876         * src/c++20/tzdb.cc (USE_ATOMIC_SHARED_PTR): Define consistently
3877         with USE_ATOMIC_LIST_HEAD.
3878         (list_mutex): Replace global object with function. Use local
3879         static object when std::mutex constructor isn't constexpr.
3880
3881 2023-06-29  Jonathan Wakely  <jwakely@redhat.com>
3882
3883         PR libstdc++/110462
3884         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check that
3885         copy_file_range can be called with loff_t* arguments.
3886         * configure: Regenerate.
3887         * src/filesystem/ops-common.h (copy_file_copy_file_range):
3888         Use loff_t for offsets.
3889
3890 2023-06-29  Tom Tromey  <tromey@adacore.com>
3891
3892         * testsuite/lib/gdb-test.exp (gdb-test): Relax type-printer
3893         regexp.
3894
3895 2023-06-28  Jan Hubicka  <jh@suse.cz>
3896
3897         PR middle-end/109849
3898         * include/bits/c++config (std::__terminate): Mark cold.
3899         * include/bits/functexcept.h: Mark everything as cold.
3900         * libsupc++/exception: Mark terminate and unexpected as cold.
3901
3902 2023-06-26  Thomas Rodgers  <trodgers@redhat.com>
3903
3904         * include/pstl/algorithm_fwd.h: Synchronize with upstream.
3905         * include/pstl/algorithm_impl.h: Likewise.
3906         * include/pstl/execution_defs.h: Likewise.
3907         * include/pstl/execution_impl.h: Likewise.
3908         * include/pstl/glue_algorithm_impl.h: Likewise.
3909         * include/pstl/glue_execution_defs.h: Likewise.
3910         * include/pstl/glue_memory_impl.h: Likewise.
3911         * include/pstl/glue_numeric_impl.h: Likewise.
3912         * include/pstl/memory_impl.h: Likewise.
3913         * include/pstl/numeric_fwd.h: Likewise.
3914         * include/pstl/numeric_impl.h: Likewise.
3915         * include/pstl/parallel_backend.h: Likewise.
3916         * include/pstl/parallel_backend_serial.h: Likewise.
3917         * include/pstl/parallel_backend_tbb.h: Likewise.
3918         * include/pstl/parallel_impl.h: Likewise.
3919         * include/pstl/pstl_config.h: Likewise.
3920         * include/pstl/unseq_backend_simd.h: Likewise.
3921         * include/pstl/utils.h: Likewise.
3922         * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
3923         Likewise.
3924         * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
3925         Likewise.
3926         * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc:
3927         Likewise.
3928         * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc:
3929         Likewise.
3930         * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
3931         * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
3932         Likewise.
3933         * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
3934         Likewise.
3935         * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc:
3936         Likewise.
3937         * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc:
3938         Likewise.
3939         * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
3940         Likewise.
3941         * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
3942         Likewise.
3943         * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
3944         Likewise.
3945         * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
3946         Likewise.
3947         * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc:
3948         Likewise.
3949         * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc:
3950         Likewise.
3951         * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
3952         Likewise.
3953         * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
3954         Likewise.
3955         * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
3956         Likewise.
3957         * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc:
3958         Likewise.
3959         * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc:
3960         Likewise.
3961         * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc:
3962         Likewise.
3963         * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
3964         Likewise.
3965         * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
3966         Likewise.
3967         * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc:
3968         Likewise.
3969         * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc:
3970         Likewise.
3971         * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc:
3972         Likewise.
3973         * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc:
3974         Likewise.
3975         * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc:
3976         Likewise.
3977         * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc:
3978         Likewise.
3979         * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc:
3980         Likewise.
3981         * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
3982         Likewise.
3983         * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc:
3984         Likewise.
3985         * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc:
3986         Likewise.
3987         * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc:
3988         Likewise.
3989         * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc:
3990         Likewise.
3991         * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
3992         Likewise.
3993         * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc:
3994         Likewise.
3995         * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
3996         Likewise.
3997         * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc:
3998         Likewise.
3999         * testsuite/25_algorithms/pstl/alg_sorting/includes.cc:
4000         Likewise.
4001         * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc:
4002         Likewise.
4003         * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc:
4004         Likewise.
4005         * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
4006         Likewise.
4007         * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc:
4008         Likewise.
4009         * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc:
4010         Likewise.
4011         * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
4012         Likewise.
4013         * testsuite/25_algorithms/pstl/alg_sorting/set.cc:
4014         Likewise.
4015         * testsuite/25_algorithms/pstl/alg_sorting/sort.cc:
4016         Likewise.
4017         * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
4018         Likewise.
4019         * testsuite/26_numerics/pstl/numeric_ops/reduce.cc:
4020         Likewise.
4021         * testsuite/26_numerics/pstl/numeric_ops/scan.cc:
4022         Likewise.
4023         * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc:
4024         Likewise.
4025         * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc:
4026         Likewise.
4027         * testsuite/util/pstl/test_utils.h:
4028         Likewise.
4029
4030 2023-06-26  Jonathan Wakely  <jwakely@redhat.com>
4031
4032         PR libstdc++/110239
4033         * include/std/format (__format::__parse_integer): Fix buffer
4034         overflow for wide chars.
4035         (formatter<const void*, C>::format): Cast to uintptr_t instead
4036         of uint64_t.
4037         * testsuite/std/format/string.cc: Test too-large widths.
4038
4039 2023-06-26  Jonathan Wakely  <jwakely@redhat.com>
4040
4041         * include/bits/iterator_concepts.h (projected): Replace class
4042         template with alias template denoting an ADL-proofed helper.
4043         (incremental_traits<projected<Iter, Proj>>): Remove.
4044         * testsuite/24_iterators/indirect_callable/projected-adl.cc:
4045         New test.
4046
4047 2023-06-26  Jonathan Wakely  <jwakely@redhat.com>
4048
4049         * include/debug/helper_functions.h (__get_distance)
4050         (__check_singular, __valid_range_aux, __valid_range): Qualify
4051         calls to disable ADL.
4052         (__check_singular_aux(const _Safe_iterator_base*)): Declare
4053         overload that was previously found via ADL.
4054
4055 2023-06-23  Jonathan Wakely  <jwakely@redhat.com>
4056
4057         * include/bits/vector.tcc (_M_realloc_insert): Replace try-block
4058         with RAII types.
4059
4060 2023-06-20  Jonathan Wakely  <jwakely@redhat.com>
4061
4062         * include/std/array (to_array(T(&)[N])): Remove redundant
4063         condition.
4064         (to_array(T(&&)[N])): Remove redundant std::move.
4065
4066 2023-06-16  Alexandre Oliva  <oliva@adacore.com>
4067
4068         * testsuite/20_util/from_chars/4.cc: Skip long double on
4069         aarch64-rtems.
4070
4071 2023-06-16  Joel Brobecker  <brobecker@adacore.com>
4072
4073         * configure.ac ["x${with_newlib}" = "xyes"]: Define
4074         HAVE_HYPOTF.  Add compile-checks for various long double
4075         math functions as well.
4076         * configure: Regenerate.
4077
4078 2023-06-14  Jonny Grant  <jg@jguk.org>
4079
4080         * doc/xml/manual/extensions.xml: Remove demangle exception
4081         description and include.
4082         * doc/html/manual/ext_demangling.html: Regenerate.
4083
4084 2023-06-10  Hans-Peter Nilsson  <hp@axis.com>
4085
4086         * testsuite/27_io/basic_istream/ignore/wchar_t/94749.cc (main)
4087         [! SIMULATOR_TEST]: Also exclude running test05.
4088         * testsuite/27_io/basic_istream/ignore/char/94749.cc: Ditto.
4089
4090 2023-06-09  Ken Matsui  <kmatsui@cs.washington.edu>
4091
4092         * include/std/type_traits: Use using instead of typedef
4093
4094 2023-06-09  Jonathan Wakely  <jwakely@redhat.com>
4095
4096         PR libstdc++/110077
4097         * src/c++17/floating_from_chars.cc (from_chars) <_Float128>:
4098         Only define if _Float128 and long double have different
4099         representations.
4100
4101 2023-06-09  Jonathan Wakely  <jwakely@redhat.com>
4102
4103         PR libstdc++/100285
4104         * include/experimental/internet [IPPROTO_TCP || IPPROTO_UDP]
4105         (basic_endpoint, basic_resolver_entry, resolver_base)
4106         (basic_resolver_results, basic_resolver): Only define if the tcp
4107         or udp protocols will be defined.
4108
4109 2023-06-09  Jonathan Wakely  <jwakely@redhat.com>
4110
4111         * acinclude.m4 (libtool_VERSION): Update to 6.0.33.
4112         * configure: Regenerate.
4113         * doc/xml/manual/abi.xml: Add libstdc++.so.6.0.33.
4114         * doc/html/manual/abi.html: Regenerate.
4115
4116 2023-06-09  Jonathan Wakely  <jwakely@redhat.com>
4117
4118         PR libstdc++/110149
4119         * include/std/format (formatter<const void*, charT>::parse):
4120         Only alow 0 and P for C++26 and non-strict modes.
4121         (formatter<const void*, charT>::format): Use toupper for P
4122         type, and insert zero-fill characters for 0 option.
4123         * testsuite/std/format/functions/format.cc: Check pointer
4124         formatting. Only check P2510R3 extensions conditionally.
4125         * testsuite/std/format/parse_ctx.cc: Only check P2510R3
4126         extensions conditionally.
4127
4128 2023-06-09  Jonathan Wakely  <jwakely@redhat.com>
4129
4130         PR libstdc++/110167
4131         * include/std/array (to_array): Initialize arrays of trivial
4132         types using memcpy. For non-trivial types, use lambda
4133         expressions instead of a separate helper function.
4134         (__to_array): Remove.
4135         * testsuite/23_containers/array/creation/110167.cc: New test.
4136
4137 2023-06-09  Jonathan Wakely  <jwakely@redhat.com>
4138
4139         * testsuite/23_containers/deque/modifiers/emplace/52799.cc:
4140         Removed.
4141         * testsuite/23_containers/deque/modifiers/emplace/const_iterator.cc:
4142         Removed.
4143         * testsuite/23_containers/list/modifiers/emplace/52799.cc:
4144         Removed.
4145         * testsuite/23_containers/list/modifiers/emplace/const_iterator.cc:
4146         Removed.
4147         * testsuite/23_containers/vector/modifiers/emplace/52799.cc:
4148         Removed.
4149         * testsuite/23_containers/vector/modifiers/emplace/const_iterator.cc:
4150         Removed.
4151         * testsuite/23_containers/deque/modifiers/emplace/1.cc: New
4152         test.
4153         * testsuite/23_containers/list/modifiers/emplace/1.cc: New
4154         test.
4155         * testsuite/23_containers/vector/modifiers/emplace/1.cc: New
4156         test.
4157
4158 2023-06-07  Jakub Jelinek  <jakub@redhat.com>
4159
4160         PR libstdc++/110145
4161         * testsuite/20_util/to_chars/double.cc: Include <cfloat>.
4162         (double_to_chars_test_cases,
4163         double_scientific_precision_to_chars_test_cases_2,
4164         double_fixed_precision_to_chars_test_cases_2): #if out 1e126, 4.91e-6
4165         and 5.547e-6 tests if FLT_EVAL_METHOD is negative or larger than 1.
4166         Add unconditional tests with corresponding double constants
4167         0x1.7a2ecc414a03fp+418, 0x1.4981285e98e79p-18 and
4168         0x1.7440bbff418b9p-18.
4169
4170 2023-06-07  Jonathan Wakely  <jwakely@redhat.com>
4171
4172         * testsuite/util/testsuite_abi.cc (check_version): Re-add
4173         CXXABI_1.3.14.
4174
4175 2023-06-07  Jonathan Wakely  <jwakely@redhat.com>
4176
4177         * testsuite/18_support/nested_exception/rethrow_if_nested-term.cc:
4178         Require effective target exceptions_enabled instead of using
4179         dg-skip-if.
4180         * testsuite/23_containers/vector/capacity/constexpr.cc: Expect
4181         shrink_to_fit() to be a no-op without exceptions enabled.
4182         * testsuite/23_containers/vector/capacity/shrink_to_fit.cc:
4183         Likewise.
4184         * testsuite/ext/bitmap_allocator/check_allocate_max_size.cc:
4185         Require effective target exceptions_enabled.
4186         * testsuite/ext/malloc_allocator/check_allocate_max_size.cc:
4187         Likewise.
4188         * testsuite/ext/mt_allocator/check_allocate_max_size.cc:
4189         Likewise.
4190         * testsuite/ext/new_allocator/check_allocate_max_size.cc:
4191         Likewise.
4192         * testsuite/ext/pool_allocator/check_allocate_max_size.cc:
4193         Likewise.
4194         * testsuite/ext/throw_allocator/check_allocate_max_size.cc:
4195         Likewise.
4196
4197 2023-06-07  Jonathan Wakely  <jwakely@redhat.com>
4198
4199         * testsuite/20_util/duration/cons/2.cc: Use values that aren't
4200         affected by rounding.
4201         * testsuite/20_util/from_chars/5.cc: Cast arithmetic result to
4202         double before comparing for equality.
4203         * testsuite/20_util/from_chars/6.cc: Likewise.
4204         * testsuite/20_util/variant/86874.cc: Use values that aren't
4205         affected by rounding.
4206         * testsuite/25_algorithms/lower_bound/partitioned.cc: Compare to
4207         original value instead of to floating-point-literal.
4208         * testsuite/26_numerics/random/discrete_distribution/cons/range.cc:
4209         Cast arithmetic result to double before comparing for equality.
4210         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/range.cc:
4211         Likewise.
4212         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/range.cc:
4213         Likewise.
4214         * testsuite/26_numerics/valarray/transcend.cc (eq): Check that
4215         the absolute difference is less than 0.01 instead of comparing
4216         to two decimal places.
4217         * testsuite/27_io/basic_istream/extractors_arithmetic/char/01.cc:
4218         Cast arithmetic result to double before comparing for equality.
4219         * testsuite/27_io/basic_istream/extractors_arithmetic/char/09.cc:
4220         Likewise.
4221         * testsuite/27_io/basic_istream/extractors_arithmetic/char/10.cc:
4222         Likewise.
4223         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/01.cc:
4224         Likewise.
4225         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/09.cc:
4226         Likewise.
4227         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/10.cc:
4228         Likewise.
4229         * testsuite/ext/random/hoyt_distribution/cons/parms.cc: Likewise.
4230
4231 2023-06-07  Jonathan Wakely  <jwakely@redhat.com>
4232
4233         Revert:
4234         2023-06-06  Jonathan Wakely  <jwakely@redhat.com>
4235
4236         * configure.ac: Use AS_IF.
4237         * configure: Regenerate.
4238
4239 2023-06-07  Thomas Schwinge  <thomas@codesourcery.com>
4240
4241         * testsuite/lib/prune.exp (libstdc++-dg-prune): Support
4242         'UNSUPPORTED: [...]: exception handling disabled'.
4243
4244 2023-06-06  Jonathan Wakely  <jwakely@redhat.com>
4245
4246         * testsuite/util/testsuite_abi.cc (check_version): Add
4247         CXXABI_1.3.15 symver and make it the latestp. Remove
4248         GLIBCXX_IEEE128_3.4.31 and GLIBCXX_LDBL_3.4.31 from latestp.
4249
4250 2023-06-06  Jonathan Wakely  <jwakely@redhat.com>
4251             Jakub Jelinek  <jakub@redhat.com>
4252
4253         PR libstdc++/104772
4254         * include/std/limits: (numeric_limits<__float128>): Define
4255         for __STRICT_ANSI__ as well.
4256         * testsuite/18_support/numeric_limits/128bit.cc: Remove
4257         check for __STRICT_ANSI__.
4258
4259 2023-06-06  Jonathan Wakely  <jwakely@redhat.com>
4260
4261         * configure.ac: Use AS_IF.
4262         * configure: Regenerate.
4263
4264 2023-06-06  Matthias Kretz  <m.kretz@gsi.de>
4265
4266         PR libstdc++/109822
4267         * include/experimental/bits/simd_builtin.h (_S_store): Rewrite
4268         to avoid casts to other vector types. Implement store as
4269         succession of power-of-2 sized memcpy to avoid PR90424.
4270
4271 2023-06-06  Matthias Kretz  <m.kretz@gsi.de>
4272
4273         PR libstdc++/110054
4274         * include/experimental/bits/simd_builtin.h (_S_masked_store):
4275         Call into deduced ABI's SimdImpl after conversion.
4276         * include/experimental/bits/simd_x86.h (_S_masked_store_nocvt):
4277         Don't use _mm_maskmoveu_si128. Use the generic fall-back
4278         implementation. Also fix masked stores without SSE2, which
4279         were not doing anything before.
4280
4281 2023-06-06  Matthias Kretz  <m.kretz@gsi.de>
4282
4283         * include/experimental/bits/simd.h (__bit_cast): Use
4284         __gnu__::__vector_size__ instead of gnu::vector_size.
4285
4286 2023-06-06  Jonathan Wakely  <jwakely@redhat.com>
4287
4288         PR libstdc++/110139
4289         * include/std/array (__array_traits<T, 0>::operator T*()): Make
4290         conversion operator explicit.
4291         (array::front): Use size_type as subscript operand.
4292         (array::data): Use static_cast to make conversion explicit.
4293         * testsuite/23_containers/array/element_access/110139.cc: New
4294         test.
4295
4296 2023-06-06  Joseph Faulls  <Joseph.Faulls@imgtec.com>
4297
4298         * include/bits/locale_classes.tcc: Remove check for
4299         codecvt<char8_t, char, mbstate_t> facet.
4300
4301 2023-06-06  Jonathan Wakely  <jwakely@redhat.com>
4302
4303         * src/filesystem/ops-common.h (do_copy_file) [O_CLOEXEC]: Set
4304         close-on-exec flag on file descriptors.
4305
4306 2023-06-06  Jonathan Wakely  <jwakely@redhat.com>
4307
4308         PR libstdc++/108178
4309         * src/filesystem/ops-common.h (do_copy_file): Check for empty
4310         files by trying to read a character.
4311         * testsuite/27_io/filesystem/operations/copy_file_108178.cc:
4312         New test.
4313
4314 2023-06-06  Jannik Glückert  <jannik.glueckert@gmail.com>
4315
4316         * acinclude.m4 (_GLIBCXX_USE_COPY_FILE_RANGE): Define.
4317         * config.h.in: Regenerate.
4318         * configure: Regenerate.
4319         * src/filesystem/ops-common.h (copy_file_copy_file_range):
4320         Define new function.
4321         (do_copy_file): Use it.
4322
4323 2023-06-06  Jannik Glückert  <jannik.glueckert@gmail.com>
4324
4325         * acinclude.m4 (_GLIBCXX_HAVE_LSEEK): Define.
4326         * config.h.in: Regenerate.
4327         * configure: Regenerate.
4328         * src/filesystem/ops-common.h (copy_file_sendfile): Define new
4329         function for sendfile logic. Loop to support large files. Skip
4330         zero-length files.
4331         (do_copy_file): Use it.
4332
4333 2023-06-04  Jason Merrill  <jason@redhat.com>
4334
4335         PR c++/97720
4336         * libsupc++/eh_call.cc (__cxa_call_terminate): Take void*.
4337         * config/abi/pre/gnu.ver: Add it.
4338
4339 2023-06-02  François Dumont  <fdumont@gcc.gnu.org>
4340
4341         * include/parallel/algobase.h: Include <parallel/search.h>.
4342
4343 2023-06-01  Jonathan Wakely  <jwakely@redhat.com>
4344
4345         * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc:
4346         Add const to equality operator.
4347
4348 2023-06-01  Jonathan Wakely  <jwakely@redhat.com>
4349
4350         * include/std/expected (expected::and_then, expected::or_else)
4351         (expected::transform_error): Use _M_val and _M_unex instead of
4352         calling value() and error(), as per LWG 3938.
4353         (expected::transform): Likewise. Remove incorrect std::move
4354         calls from lvalue overloads.
4355         (expected<void, E>::and_then, expected<void, E>::or_else)
4356         (expected<void, E>::transform): Use _M_unex instead of calling
4357         error().
4358         * testsuite/20_util/expected/lwg3877.cc: Add checks for and_then
4359         and transform, and for std::expected<void, E>.
4360         * testsuite/20_util/expected/lwg3938.cc: New test.
4361
4362 2023-06-01  Jonathan Wakely  <jwakely@redhat.com>
4363
4364         PR libstdc++/110060
4365         * include/bits/stl_vector.h (_Vector_base::_M_invariant):
4366         Remove.
4367         (vector::size, vector::capacity): Remove calls to _M_invariant.
4368         * include/bits/vector.tcc (vector::_M_fill_assign): Add
4369         optimization hint to reallocating path.
4370         (vector::_M_assign_aux(FwdIter, FwdIter, forward_iterator_tag)):
4371         Likewise.
4372         * testsuite/23_containers/vector/capacity/invariant.cc: Moved
4373         to...
4374         * testsuite/23_containers/vector/modifiers/assign/no_realloc.cc:
4375         ...here. Check assign(FwdIter, FwdIter) too.
4376         * testsuite/23_containers/vector/types/1.cc: Revert addition
4377         of -Wno-stringop-overread option.
4378
4379 2023-06-01  Jonathan Wakely  <jwakely@redhat.com>
4380
4381         * doc/xml/manual/evolution.xml: Document removal of implicit
4382         allocator rebinding extensions in strict mode and for C++20.
4383         * doc/html/*: Regenerate.
4384
4385 2023-06-01  Jason Merrill  <jason@redhat.com>
4386
4387         * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Don't check
4388         handlers in the cleanup phase.
4389
4390 2023-06-01  Matthias Kretz  <m.kretz@gsi.de>
4391
4392         PR libstdc++/110050
4393         * include/experimental/bits/simd.h (__vectorized_sizeof): With
4394         __have_neon_a32 only single-precision float works (in addition
4395         to integers).
4396
4397 2023-06-01  François Dumont  <fdumont@gcc.gnu.org>
4398
4399         * include/bits/stl_algo.h
4400         (std::__search, std::search(_FwdIt1, _FwdIt1, _FwdIt2, _FwdIt2, _BinPred)): Move...
4401         * include/bits/stl_algobase.h: ...here.
4402         * include/std/functional: Replace <stl_algo.h> include by <stl_algobase.h>.
4403         * include/parallel/algo.h (std::__parallel::search<_FIt1, _FIt2, _BinaryPred>)
4404         (std::__parallel::__search_switch<_FIt1, _FIt2, _BinaryPred, _ItTag1, _ItTag2>):
4405         Move...
4406         * include/parallel/algobase.h: ...here.
4407         * include/experimental/functional: Remove <bits/stl_algo.h> and <parallel/algorithm>
4408         includes. Include <bits/stl_algobase.h>.
4409
4410 2023-05-31  Jonathan Wakely  <jwakely@redhat.com>
4411
4412         PR libstdc++/109818
4413         * acinclude.m4 (GLIBCXX_ENABLE_C99): Add separate check for
4414         float_t and double_t and define HAVE_C99_FLT_EVAL_TYPES.
4415         * config.h.in: Regenerate.
4416         * configure: Regenerate.
4417         * include/c_global/cmath (float_t, double_t): Guard using new
4418         _GLIBCXX_HAVE_C99_FLT_EVAL_TYPES macro.
4419
4420 2023-05-31  Jonathan Wakely  <jwakely@redhat.com>
4421
4422         * acinclude.m4 (GLIBCXX_ENABLE_C99): Add checks for C99 math
4423         functions and define _GLIBCXX_USE_C99_MATH_FUNCS. Move checks
4424         for C99 rounding functions to here.
4425         (GLIBCXX_CHECK_C99_TR1): Remove checks for C99 rounding
4426         functions from here.
4427         * config.h.in: Regenerate.
4428         * configure: Regenerate.
4429         * include/bits/random.h: Use _GLIBCXX_USE_C99_MATH_FUNCS instead
4430         of _GLIBCXX_USE_C99_MATH_TR1.
4431         * include/bits/random.tcc: Likewise.
4432         * include/c_compatibility/math.h: Likewise.
4433         * include/c_global/cmath: Likewise.
4434         * include/ext/random: Likewise.
4435         * include/ext/random.tcc: Likewise.
4436         * include/std/complex: Likewise.
4437         * testsuite/20_util/from_chars/4.cc: Likewise.
4438         * testsuite/20_util/from_chars/8.cc: Likewise.
4439         * testsuite/26_numerics/complex/proj.cc: Likewise.
4440         * testsuite/26_numerics/headers/cmath/60401.cc: Likewise.
4441         * testsuite/26_numerics/headers/cmath/types_std_c++0x.cc:
4442         Likewise.
4443         * testsuite/lib/libstdc++.exp (check_v3_target_cstdint):
4444         Likewise.
4445         * testsuite/util/testsuite_random.h: Likewise.
4446
4447 2023-05-31  Jonathan Wakely  <jwakely@redhat.com>
4448
4449         * include/bits/stl_vector.h (_Vector_base::_M_invariant()): New
4450         function.
4451         (vector::size(), vector::capacity()): Call _M_invariant().
4452         * testsuite/23_containers/vector/capacity/invariant.cc: New test.
4453         * testsuite/23_containers/vector/types/1.cc: Add suppression for
4454         false positive warning (PR110060).
4455
4456 2023-05-31  Jonathan Wakely  <jwakely@redhat.com>
4457
4458         PR libstdc++/109921
4459         * src/c++17/floating_from_chars.cc: Check __FLT128_MANT_DIG__ is
4460         defined before trying to use _Float128.
4461
4462 2023-05-31  Jonathan Wakely  <jwakely@redhat.com>
4463
4464         * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Fix for 32-bit pointers
4465         to check __INT_PTR_WIDTH__ instead of sizeof(void*).
4466         * configure: Regenerate.
4467
4468 2023-05-31  Jonathan Wakely  <jwakely@redhat.com>
4469
4470         * include/bits/unique_lock.h: Include <bits/error_constants.h>
4471         here for std::errc constants.
4472         * include/std/mutex: Do not include <bits/error_constants.h> and
4473         <exception> here.
4474
4475 2023-05-31  Jonathan Wakely  <jwakely@redhat.com>
4476
4477         * configure.ac: Replace use of -o operator for test.
4478         * configure: Regenerate.
4479
4480 2023-05-31  Jonathan Wakely  <jwakely@redhat.com>
4481
4482         * include/std/scoped_allocator (scoped_allocator_adaptor): Add
4483         noexcept to all constructors except the default constructor.
4484         (scoped_allocator_adaptor::inner_allocator): Add noexcept.
4485         (scoped_allocator_adaptor::outer_allocator): Likewise.
4486         * testsuite/20_util/scoped_allocator/noexcept.cc: New test.
4487
4488 2023-05-31  Jonathan Wakely  <jwakely@redhat.com>
4489
4490         PR libstdc++/104772
4491         * include/std/limits (numeric_limits<__float128>): Define.
4492         * testsuite/18_support/numeric_limits/128bit.cc: New test.
4493
4494 2023-05-31  Jonathan Wakely  <jwakely@redhat.com>
4495
4496         * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Extend logic for avr and
4497         msp430 to all 16-bit targets.
4498         * configure: Regenerate.
4499
4500 2023-05-31  Jonathan Wakely  <jwakely@redhat.com>
4501
4502         PR libstdc++/109921
4503         * src/c++17/floating_from_chars.cc (USE_STRTOF128_FOR_FROM_CHARS):
4504         Only define when USE_STRTOD_FOR_FROM_CHARS is also defined.
4505         (USE_STRTOD_FOR_FROM_CHARS): Do not undefine when long double is
4506         binary64.
4507         (from_chars(const char*, const char*, double&, chars_format)):
4508         Check __LDBL_MANT_DIG__ == __DBL_MANT_DIG__ here.
4509         (from_chars(const char*, const char*, _Float128&, chars_format))
4510         Only use from_chars_strtod when USE_STRTOD_FOR_FROM_CHARS is
4511         defined, otherwise parse a long double and convert to _Float128.
4512
4513 2023-05-31  Jonathan Wakely  <jwakely@redhat.com>
4514
4515         PR libstdc++/109922
4516         * include/std/iomanip (operator>>(basic_istream&, _Setfill)):
4517         Add deprecated attribute to non-standard overload.
4518         * doc/xml/manual/evolution.xml: Document deprecation.
4519         * doc/html/*: Regenerate.
4520         * testsuite/27_io/manipulators/standard/char/1.cc: Add
4521         dg-warning for expected deprecated warning.
4522         * testsuite/27_io/manipulators/standard/char/2.cc: Likewise.
4523         * testsuite/27_io/manipulators/standard/wchar_t/1.cc: Likewise.
4524         * testsuite/27_io/manipulators/standard/wchar_t/2.cc: Likewise.
4525
4526 2023-05-30  Alexandre Oliva  <oliva@adacore.com>
4527
4528         * testsuite/20_util/from_chars/4.cc: Skip long double test06
4529         on x86_64-vxworks.
4530         * testsuite/20_util/to_chars/long_double.cc: Xfail run on
4531         x86_64-vxworks.
4532
4533 2023-05-30  Matthias Kretz  <m.kretz@gsi.de>
4534
4535         PR libstdc++/109822
4536         * include/experimental/bits/simd.h (to_native): Use int NTTP
4537         as specified in PTS2.
4538         (to_compatible): Likewise. Add missing tag to call mask
4539         generator ctor.
4540         * testsuite/experimental/simd/pr109822_cast_functions.cc: New
4541         test.
4542
4543 2023-05-30  Matthias Kretz  <m.kretz@gsi.de>
4544
4545         * testsuite/experimental/simd/tests/integer_operators.cc:
4546         Compute expected value differently to avoid getting turned into
4547         a vector shift.
4548
4549 2023-05-30  Matthias Kretz  <m.kretz@gsi.de>
4550
4551         * testsuite/experimental/simd/tests/operator_cvt.cc: Make long
4552         double <-> (u)long conversion tests conditional on sizeof(long
4553         double) and sizeof(long).
4554
4555 2023-05-26  Matthias Kretz  <m.kretz@gsi.de>
4556
4557         * include/experimental/bits/simd_ppc.h (_S_bit_shift_left):
4558         Negative __y is UB, so prefer signed compare.
4559
4560 2023-05-25  Jonathan Wakely  <jwakely@redhat.com>
4561
4562         * testsuite/util/testsuite_allocator.h (PointerBase): Add
4563         relational operators.
4564
4565 2023-05-25  Alexandre Oliva  <oliva@adacore.com>
4566
4567         * testsuite/20_util/to_chars/long_double.cc: Expect execution
4568         fail on x86-vxworks.
4569
4570 2023-05-24  Matthias Kretz  <m.kretz@gsi.de>
4571
4572         PR libstdc++/109949
4573         * include/experimental/bits/simd.h (__intrinsic_type): If
4574         __ALTIVEC__ is defined, map gnu::vector_size types to their
4575         corresponding __vector T types without losing unsignedness of
4576         integer types. Also prefer long long over long.
4577         * include/experimental/bits/simd_ppc.h (_S_popcount): Cast mask
4578         object to the expected unsigned vector type.
4579
4580 2023-05-24  Matthias Kretz  <m.kretz@gsi.de>
4581
4582         PR libstdc++/109261
4583         * include/experimental/bits/simd.h (__intrinsic_type):
4584         Specialize __intrinsic_type<double, 8> and
4585         __intrinsic_type<double, 16> in any case, but provide the member
4586         type only with __aarch64__.
4587
4588 2023-05-24  Matthias Kretz  <m.kretz@gsi.de>
4589
4590         PR libstdc++/109261
4591         * include/experimental/bits/simd_neon.h (_S_reduce): Add
4592         constexpr and make NEON implementation conditional on
4593         not __builtin_is_constant_evaluated.
4594
4595 2023-05-23  Matthias Kretz  <m.kretz@gsi.de>
4596
4597         PR libstdc++/109261
4598         * include/experimental/bits/simd.h (_SimdWrapper::_M_set):
4599         Avoid vector builtin subscripting in constant expressions.
4600         (resizing_simd_cast): Avoid memcpy if constant_evaluated.
4601         (const_where_expression, where_expression, where)
4602         (__extract_part, simd_mask, _SimdIntOperators, simd): Add either
4603         _GLIBCXX_SIMD_CONSTEXPR (on public APIs), or constexpr (on
4604         internal APIs).
4605         * include/experimental/bits/simd_builtin.h (__vector_permute)
4606         (__vector_shuffle, __extract_part, _GnuTraits::_SimdCastType1)
4607         (_GnuTraits::_SimdCastType2, _SimdImplBuiltin)
4608         (_MaskImplBuiltin::_S_store): Add constexpr.
4609         (_CommonImplBuiltin::_S_store_bool_array)
4610         (_SimdImplBuiltin::_S_load, _SimdImplBuiltin::_S_store)
4611         (_SimdImplBuiltin::_S_reduce, _MaskImplBuiltin::_S_load): Add
4612         constant_evaluated case.
4613         * include/experimental/bits/simd_fixed_size.h
4614         (_S_masked_load): Reword comment.
4615         (__tuple_element_meta, __make_meta, _SimdTuple::_M_apply_r)
4616         (_SimdTuple::_M_subscript_read, _SimdTuple::_M_subscript_write)
4617         (__make_simd_tuple, __optimize_simd_tuple, __extract_part)
4618         (__autocvt_to_simd, _Fixed::__traits::_SimdBase)
4619         (_Fixed::__traits::_SimdCastType, _SimdImplFixedSize): Add
4620         constexpr.
4621         (_SimdTuple::operator[], _M_set): Add constexpr and add
4622         constant_evaluated case.
4623         (_MaskImplFixedSize::_S_load): Add constant_evaluated case.
4624         * include/experimental/bits/simd_scalar.h: Add constexpr.
4625         * include/experimental/bits/simd_x86.h (_CommonImplX86): Add
4626         constexpr and add constant_evaluated case.
4627         (_SimdImplX86::_S_equal_to, _S_not_equal_to, _S_less)
4628         (_S_less_equal): Value-initialize to satisfy constexpr
4629         evaluation.
4630         (_MaskImplX86::_S_load): Add constant_evaluated case.
4631         (_MaskImplX86::_S_store): Add constexpr and constant_evaluated
4632         case. Value-initialize local variables.
4633         (_MaskImplX86::_S_logical_and, _S_logical_or, _S_bit_not)
4634         (_S_bit_and, _S_bit_or, _S_bit_xor): Add constant_evaluated
4635         case.
4636         * testsuite/experimental/simd/pr109261_constexpr_simd.cc: New
4637         test.
4638
4639 2023-05-22  Matthias Kretz  <m.kretz@gsi.de>
4640
4641         * include/experimental/bits/simd_builtin.h (_S_fpclassify): Move
4642         __infn into #ifdef'ed block.
4643         * testsuite/experimental/simd/tests/fpclassify.cc: Declare
4644         constants only when used.
4645         * testsuite/experimental/simd/tests/frexp.cc: Likewise.
4646         * testsuite/experimental/simd/tests/logarithm.cc: Likewise.
4647         * testsuite/experimental/simd/tests/trunc_ceil_floor.cc:
4648         Likewise.
4649         * testsuite/experimental/simd/tests/ldexp_scalbn_scalbln_modf.cc:
4650         Move totest and expect1 into #ifdef'ed block.
4651
4652 2023-05-19  Gerald Pfeifer  <gerald@pfeifer.com>
4653
4654         * doc/xml/manual/strings.xml: Move lafstern.org reference to https.
4655         * doc/html/manual/strings.html: Regenerate.
4656
4657 2023-05-17  Jakub Jelinek  <jakub@redhat.com>
4658
4659         PR libstdc++/109883
4660         * testsuite/26_numerics/headers/cmath/constexpr_std_c++23.cc: New test.
4661
4662 2023-05-17  Jakub Jelinek  <jakub@redhat.com>
4663
4664         PR libstdc++/109883
4665         * include/c_global/cmath (atan2, fmod, pow): Move
4666         __gnu_cxx::__promote_2 using templates after _Float{16,32,64,128} and
4667         __gnu_cxx::__bfloat16_t overloads.
4668         (copysign, fdim, fmax, fmin, hypot, nextafter, remainder, remquo):
4669         Likewise.
4670         (fma): Move __gnu_cxx::__promote_3 using template after
4671         _Float{16,32,64,128} and __gnu_cxx::__bfloat16_t overloads.
4672
4673 2023-05-17  Jonathan Wakely  <jwakely@redhat.com>
4674
4675         * testsuite/18_support/headers/limits/synopsis.cc: Uncomment
4676         checks for float_round_style and float_denorm_style.
4677
4678 2023-05-17  Jonathan Wakely  <jwakely@redhat.com>
4679
4680         * include/bits/c++config: Add system_header pragma.
4681
4682 2023-05-17  Jonathan Wakely  <jwakely@redhat.com>
4683
4684         * include/std/expected (expected::and_then, expected::or_else)
4685         (expected::transform, expected::transform_error): Fix exception
4686         specifications as per LWG 3877.
4687         (expected<void, E>::and_then, expected<void, E>::transform):
4688         Likewise.
4689         * testsuite/20_util/expected/lwg3877.cc: New test.
4690
4691 2023-05-17  Ken Matsui  <kmatsui@cs.washington.edu>
4692
4693         * include/std/type_traits: Use __bool_constant instead of
4694         integral_constant.
4695
4696 2023-05-17  Jonathan Wakely  <jwakely@redhat.com>
4697
4698         * configure: Regenerate.
4699
4700 2023-05-16  Jonathan Wakely  <jwakely@redhat.com>
4701
4702         PR libstdc++/109741
4703         * acinclude.m4 (GLIBCXX_CHECK_ALIGNAS_CACHELINE): Define.
4704         * config.h.in: Regenerate.
4705         * configure: Regenerate.
4706         * configure.ac: Use GLIBCXX_CHECK_ALIGNAS_CACHELINE.
4707         * src/c++11/shared_ptr.cc (__gnu_internal::get_mutex): Do not
4708         align lock table if not supported. use __GCC_DESTRUCTIVE_SIZE
4709         instead of hardcoded 64.
4710
4711 2023-05-16  Jonathan Wakely  <jwakely@redhat.com>
4712
4713         * acinclude.m4 (GLIBCXX_USE_C99): Check for isblank in C++11
4714         mode and define _GLIBCXX_USE_C99_CTYPE. Check for <fenv.h>
4715         functions in C++11 mode and define _GLIBCXX_USE_C99_FENV.
4716         * config.h.in: Regenerate.
4717         * configure: Regenerate.
4718         * include/c_compatibility/fenv.h: Check _GLIBCXX_USE_C99_FENV
4719         instead of _GLIBCXX_USE_C99_FENV_TR1.
4720         * include/c_global/cfenv: Likewise.
4721         * include/c_global/cctype: Check _GLIBCXX_USE_C99_CTYPE instead
4722         of _GLIBCXX_USE_C99_CTYPE_TR1.
4723
4724 2023-05-16  Jonathan Wakely  <jwakely@redhat.com>
4725
4726         * acinclude.m4 (GLIBCXX_USE_C99): Check for <stdint.h> types in
4727         C++11 mode and define _GLIBCXX_USE_C99_STDINT. Check for
4728         <inttypes.h> features in C++11 mode and define
4729         _GLIBCXX_USE_C99_INTTYPES and _GLIBCXX_USE_C99_INTTYPES_WCHAR_T.
4730         * config.h.in: Regenerate.
4731         * configure: Regenerate.
4732         * doc/doxygen/user.cfg.in (PREDEFINED): Add new macros.
4733         * include/bits/chrono.h: Check _GLIBCXX_USE_C99_STDINT instead
4734         of _GLIBCXX_USE_C99_STDINT_TR1.
4735         * include/c_compatibility/inttypes.h: Check
4736         _GLIBCXX_USE_C99_INTTYPES and _GLIBCXX_USE_C99_INTTYPES_WCHAR_T
4737         instead of _GLIBCXX_USE_C99_INTTYPES_TR1 and
4738         _GLIBCXX_USE_C99_INTTYPES_WCHAR_T_TR1.
4739         * include/c_compatibility/stdatomic.h: Check
4740         _GLIBCXX_USE_C99_STDINT instead of _GLIBCXX_USE_C99_STDINT_TR1.
4741         * include/c_compatibility/stdint.h: Likewise.
4742         * include/c_global/cinttypes: Check _GLIBCXX_USE_C99_INTTYPES
4743         and _GLIBCXX_USE_C99_INTTYPES_WCHAR_T instead of
4744         _GLIBCXX_USE_C99_INTTYPES_TR1 and
4745         _GLIBCXX_USE_C99_INTTYPES_WCHAR_T_TR1.
4746         * include/c_global/cstdint: Check _GLIBCXX_USE_C99_STDINT
4747         instead of _GLIBCXX_USE_C99_STDINT_TR1.
4748         * include/std/atomic: Likewise.
4749         * src/c++11/cow-stdexcept.cc: Likewise.
4750         * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc:
4751         Likewise.
4752         * testsuite/lib/libstdc++.exp (check_v3_target_cstdint):
4753         Likewise.
4754
4755 2023-05-16  Jonathan Wakely  <jwakely@redhat.com>
4756
4757         * acinclude.m4 (GLIBCXX_USE_C99): Check for complex inverse trig
4758         functions in C++11 mode and define _GLIBCXX_USE_C99_COMPLEX_ARC.
4759         * config.h.in: Regenerate.
4760         * configure: Regenerate.
4761         * doc/doxygen/user.cfg.in (PREDEFINED): Add new macro.
4762         * include/std/complex: Check _GLIBCXX_USE_C99_COMPLEX_ARC
4763         instead of _GLIBCXX_USE_C99_COMPLEX_TR1.
4764
4765 2023-05-16  Jonathan Wakely  <jwakely@redhat.com>
4766
4767         * testsuite/ext/debug_allocator/check_deallocate_null.cc: Add
4768         assertion to ensure expected exception is throw.
4769
4770 2023-05-16  Jonathan Wakely  <jwakely@redhat.com>
4771
4772         * testsuite/libstdc++-prettyprinters/chrono.cc: Only test
4773         printer for chrono::zoned_time for cx11 ABI and tzdb effective
4774         target.
4775
4776 2023-05-16  Jonathan Wakely  <jwakely@redhat.com>
4777
4778         * acinclude.m4 (GLIBCXX_CHECK_PTHREAD_MUTEX_CLOCKLOCK): Define
4779         _GLIBCXX_USE_PTHREAD_MUTEX_CLOCKLOCK in terms of _GLIBCXX_TSAN.
4780         * configure: Regenerate.
4781
4782 2023-05-12  Jonathan Wakely  <jwakely@redhat.com>
4783
4784         * acinclude.m4 (GLIBCXX_CHECK_C99_TR1): Use a non-null pointer
4785         to check for nan, nanf, and nanl.
4786         * configure: Regenerate.
4787
4788 2023-05-12  Jonathan Wakely  <jwakely@redhat.com>
4789
4790         * include/bits/char_traits.h (char_traits<char16_t>): Do not
4791         depend on _GLIBCXX_USE_C99_STDINT_TR1.
4792         (char_traits<char32_t>): Likewise.
4793         * include/experimental/source_location: Likewise.
4794
4795 2023-05-12  Jonathan Wakely  <jwakely@redhat.com>
4796
4797         * include/std/atomic (atomic_int_least8_t, atomic_uint_least8_t)
4798         (atomic_int_least16_t, atomic_uint_least16_t)
4799         (atomic_int_least32_t, atomic_uint_least32_t)
4800         (atomic_int_least64_t, atomic_uint_least64_t)
4801         (atomic_int_fast16_t, atomic_uint_fast16_t)
4802         (atomic_int_fast32_t, atomic_uint_fast32_t)
4803         (atomic_int_fast64_t, atomic_uint_fast64_t)
4804         (atomic_intmax_t, atomic_uintmax_t): Define unconditionally.
4805         * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc: Adjust.
4806
4807 2023-05-12  Jonathan Wakely  <jwakely@redhat.com>
4808
4809         * include/bits/algorithmfwd.h (shuffle): Do not depend on
4810         _GLIBCXX_USE_C99_STDINT_TR1.
4811         * include/bits/ranges_algo.h (shuffle): Likewise.
4812         * include/bits/stl_algo.h (shuffle): Likewise.
4813         * include/ext/random: Likewise.
4814         * include/ext/throw_allocator.h (random_condition): Likewise.
4815         * include/std/random: Likewise.
4816         * src/c++11/cow-string-inst.cc: Likewise.
4817         * src/c++11/random.cc: Likewise.
4818
4819 2023-05-12  Jonathan Wakely  <jwakely@redhat.com>
4820
4821         * testsuite/experimental/feat-cxx14.cc: Remove dependency on
4822         _GLIBCXX_USE_C99_STDINT_TR1.
4823
4824 2023-05-12  Jonathan Wakely  <jwakely@redhat.com>
4825
4826         * testsuite/22_locale/locale/cons/unicode.cc: Remove dependency
4827         on _GLIBCXX_USE_C99_STDINT_TR1.
4828
4829 2023-05-12  Jonathan Wakely  <jwakely@redhat.com>
4830
4831         * testsuite/21_strings/basic_string_view/typedefs.cc: Remove
4832         dependency on _GLIBCXX_USE_C99_STDINT_TR1.
4833         * testsuite/experimental/string_view/typedefs.cc: Likewise.
4834
4835 2023-05-11  Jonathan Wakely  <jwakely@redhat.com>
4836
4837         * src/c++17/floating_from_chars.cc [USE_STRTOD_FOR_FROM_CHARS]
4838         (auto_locale, auto_ferounding): New class types.
4839         (from_chars_impl): Use auto_locale and auto_ferounding.
4840
4841 2023-05-11  Jonathan Wakely  <jwakely@redhat.com>
4842
4843         PR libstdc++/109772
4844         * include/std/chrono (hh_mm_ss::__fits): Remove variable
4845         template.
4846         (hh_mm_ss::__subseconds): Remove __fits from constraints.
4847         * testsuite/std/time/hh_mm_ss/109772.cc: New test.
4848         * testsuite/std/time/hh_mm_ss/1.cc: Adjust expected size for
4849         hh_mm_ss<duration<int, std::pico>>.
4850
4851 2023-05-11  Jonathan Wakely  <jwakely@redhat.com>
4852
4853         * config/abi/pre/gnu.ver: Export basic_string::_S_allocate.
4854         * include/bits/basic_ios.h: Add static assertion checking
4855         traits_type::value_type.
4856         * include/bits/basic_string.h: Likewise. Do not rebind
4857         allocator, and add static assertion checking its value_type.
4858         (basic_string::_Alloc_traits_impl): Remove class template.
4859         (basic_string::_S_allocate): New static member function.
4860         (basic_string::assign): Use _S_allocate.
4861         * include/bits/basic_string.tcc (basic_string::_M_create)
4862         (basic_string::reserve, basic_string::_M_replace): Likewise.
4863         * testsuite/21_strings/basic_string/requirements/explicit_instantiation/debug.cc:
4864         Disable for C++20 and later.
4865         * testsuite/21_strings/basic_string/requirements/explicit_instantiation/int.cc:
4866         Likweise.
4867
4868 2023-05-11  Jonathan Wakely  <jwakely@redhat.com>
4869
4870         PR libstdc++/109758
4871         * include/bits/std_abs.h (abs(__float128)): Handle negative NaN
4872         and negative zero correctly.
4873         * testsuite/26_numerics/headers/cmath/109758.cc: New test.
4874
4875 2023-05-10  François Dumont  <fdumont@gcc.gnu.org>
4876
4877         * include/bits/hashtable_policy.h
4878         (_NodeBuilder<>::_S_build): Use __node_ptr.
4879         (_ReuseOrAllocNode<>): Use __node_ptr in place of __node_type*.
4880         (_AllocNode<>): Likewise.
4881         (_Equality<>::_M_equal): Remove const_iterator usages. Only preserved
4882         to call std::is_permutation in the non-unique key implementation.
4883         * include/bits/hashtable.h (_Hashtable<>::_M_update_begin()): Capture
4884         _M_begin() once.
4885         (_Hashtable<>::_M_bucket_begin(size_type)): Implement implicitly inline.
4886         (_Hashtable<>::_M_insert_bucket_begin): Likewise.
4887         (_Hashtable<>::_M_remove_bucket_begin): Likewise.
4888         (_Hashtable<>::_M_compute_hash_code): Use __node_ptr rather than
4889         const_iterator.
4890         (_Hashtable<>::find): Likewise.
4891         (_Hashtable<>::_M_emplace): Likewise.
4892         (_Hashtable<>::_M_insert_unique): Likewise.
4893
4894 2023-05-09  Jonathan Wakely  <jwakely@redhat.com>
4895
4896         * python/libstdcxx/v6/printers.py (StdChronoDurationPrinter):
4897         Print floating-point durations correctly.
4898         (StdChronoTimePointPrinter): Support printing only the value,
4899         not the type name. Uncomment handling for known clocks.
4900         (StdChronoZonedTimePrinter): Remove type names from output.
4901         (StdChronoCalendarPrinter): Fix hh_mm_ss member access.
4902         (StdChronoTimeZonePrinter): Add equals sign to output.
4903         * testsuite/libstdc++-prettyprinters/chrono.cc: New test.
4904
4905 2023-05-05  Alexandre Oliva  <oliva@adacore.com>
4906
4907         * testsuite/20_util/from_chars/4.cc: Skip long double test06
4908         on aarch64-vxworks.
4909         * testsuite/20_util/to_chars/long_double.cc: Xfail run on
4910         aarch64-vxworks.
4911
4912 2023-05-04  Jonathan Wakely  <jwakely@redhat.com>
4913
4914         * doc/xml/manual/abi.xml (abi.versioning.history): Document
4915         libstdc++.so.6.0.32 and GLIBCXX_3.4.32 version.
4916         * doc/html/manual/abi.html: Regenerate.
4917
4918 2023-05-04  Florian Weimer  <fweimer@redhat.com>
4919
4920         * doc/xml/manual/abi.xml (abi.versioning.history): Add
4921         GCC_7.0.0, GCC_9.0.0, GCC_11.0, GCC_12.0.0, GCC_13.0.0 for
4922         libgcc_s.
4923
4924 2023-05-03  Jakub Jelinek  <jakub@redhat.com>
4925
4926         * src/c++17/floating_from_chars.cc
4927         (_ZSt10from_charsPKcS0_RDF128_St12chars_format): New alias to
4928         _ZSt10from_charsPKcS0_Ru9__ieee128St12chars_format.
4929         * src/c++17/floating_to_chars.cc (_ZSt8to_charsPcS_DF128_): New alias to
4930         _ZSt8to_charsPcS_u9__ieee128.
4931         (_ZSt8to_charsPcS_DF128_St12chars_format): New alias to
4932         _ZSt8to_charsPcS_u9__ieee128St12chars_format.
4933         (_ZSt8to_charsPcS_DF128_St12chars_formati): New alias to
4934         _ZSt8to_charsPcS_u9__ieee128St12chars_formati.
4935         * config/abi/post/powerpc64le-linux-gnu/baseline_symbols.txt: Updated.
4936
4937 2023-05-03  Jakub Jelinek  <jakub@redhat.com>
4938
4939         * configure.host (abi_baseline_pair): Use powerpc64le-linux-gnu
4940         rather than powerpc64-linux-gnu for powerpc64le*-linux*.
4941         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Remove
4942         _ZTI*DF128_, _ZTI*DF64x symbols and symbols in
4943         GLIBCXX_IEEE128_3.4.{29,30,31} and CXXABI_IEEE128_1.3.13 symbol
4944         versions.
4945         * config/abi/post/powerpc64le-linux-gnu/baseline_symbols.txt: New
4946         file.
4947
4948 2023-05-03  Kefu Chai  <kefu.chai@scylladb.com>
4949             Jonathan Wakely  <jwakely@redhat.com>
4950
4951         PR libstdc++/109703
4952         * include/bits/basic_string.h (basic_string(Iter, Iter, Alloc)):
4953         Initialize _M_string_length.
4954
4955 2023-05-02  Jakub Jelinek  <jakub@redhat.com>
4956
4957         * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
4958         * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
4959         * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
4960         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
4961         * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
4962         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
4963         * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
4964         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
4965
4966 2023-05-02  Jakub Jelinek  <jakub@redhat.com>
4967
4968         PR libstdc++/109694
4969         * src/c++98/ios_init.cc: Add #pragma GCC diagnostic ignored for
4970         -Wattribute-alias.
4971
4972 2023-04-28  Jonathan Wakely  <jwakely@redhat.com>
4973
4974         * include/bits/random.h (gamma_distribution): Add to the right
4975         doxygen group.
4976         (discrete_distribution, piecewise_constant_distribution)
4977         (piecewise_linear_distribution): Create a new doxygen group and
4978         fix the incomplete doxygen comments.
4979         * include/bits/uniform_int_dist.h (uniform_int_distribution):
4980         Add to doxygen group.
4981
4982 2023-04-28  Jonathan Wakely  <jwakely@redhat.com>
4983
4984         * include/bits/uses_allocator.h: Add missing @file comment.
4985         * include/bits/regex.tcc: Remove stray doxygen comments.
4986         * include/experimental/memory_resource: Likewise.
4987         * include/std/bit: Tweak doxygen @cond comments.
4988         * include/std/expected: Likewise.
4989         * include/std/numbers: Likewise.
4990
4991 2023-04-28  Jonathan Wakely  <jwakely@redhat.com>
4992
4993         * doc/doxygen/user.cfg.in (STRIP_FROM_PATH): Remove prefixes
4994         from header paths.
4995
4996 2023-04-28  Jonathan Wakely  <jwakely@redhat.com>
4997
4998         * include/bits/move.h: Simplify opening/closing namespace std.
4999
5000 2023-04-28  Jakub Jelinek  <jakub@redhat.com>
5001
5002         PR libstdc++/108969
5003         * config/abi/pre/gnu.ver (GLIBCXX_3.4.32): Export
5004         _ZSt21ios_base_library_initv.
5005         * testsuite/util/testsuite_abi.cc (check_version): Add GLIBCXX_3.4.32
5006         symver and make it the latestp.
5007         * src/c++98/ios_init.cc (ios_base_library_init): New alias.
5008         * acinclude.m4 (libtool_VERSION): Change to 6:32:0.
5009         * include/std/iostream: If init_priority attribute is supported
5010         and _GLIBCXX_SYMVER_GNU, force undefined _ZSt21ios_base_library_initv
5011         symbol into the object.
5012         * configure: Regenerated.
5013
5014 2023-04-27  Jonathan Wakely  <jwakely@redhat.com>
5015
5016         * include/bits/mofunc_impl.h: Fix typo in doxygen comment.
5017         * include/std/format: Likewise.
5018
5019 2023-04-27  Jonathan Wakely  <jwakely@redhat.com>
5020
5021         * doc/doxygen/user.cfg.in (FORMULA_TRANSPARENT, DOT_FONTNAME)
5022         (DOT_FONTSIZE, DOT_TRANSPARENT): Remove obsolete options.
5023
5024 2023-04-27  Jonathan Wakely  <jwakely@redhat.com>
5025
5026         * doc/doxygen/user.cfg.in (SOURCE_BROWSER): Only set to YES for
5027         HTML docs.
5028         * include/bits/gslice_array.h (_DEFINE_VALARRAY_OPERATOR): Omit
5029         from doxygen docs.
5030         * include/bits/indirect_array.h (_DEFINE_VALARRAY_OPERATOR):
5031         Likewise.
5032         * include/bits/mask_array.h (_DEFINE_VALARRAY_OPERATOR):
5033         Likewise.
5034         * include/bits/slice_array.h (_DEFINE_VALARRAY_OPERATOR):
5035         Likewise.
5036         * include/std/valarray (_DEFINE_VALARRAY_UNARY_OPERATOR)
5037         (_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT)
5038         (_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT)
5039         (_DEFINE_BINARY_OPERATOR): Likewise.
5040
5041 2023-04-27  Jonathan Wakely  <jwakely@redhat.com>
5042
5043         * include/bits/memory_resource.h: Improve doxygen comments.
5044         * include/std/memory_resource: Likewise.
5045
5046 2023-04-27  Jonathan Wakely  <jwakely@redhat.com>
5047
5048         PR libstdc++/40380
5049         * include/bits/basic_string.h: Improve doxygen comments.
5050         * include/bits/cow_string.h: Likewise.
5051         * include/bits/forward_list.h: Likewise.
5052         * include/bits/fs_dir.h: Likewise.
5053         * include/bits/fs_path.h: Likewise.
5054         * include/bits/quoted_string.h: Likewise.
5055         * include/bits/stl_bvector.h: Likewise.
5056         * include/bits/stl_map.h: Likewise.
5057         * include/bits/stl_multimap.h: Likewise.
5058         * include/bits/stl_multiset.h: Likewise.
5059         * include/bits/stl_set.h: Likewise.
5060         * include/bits/stl_vector.h: Likewise.
5061         * include/bits/unordered_map.h: Likewise.
5062         * include/bits/unordered_set.h: Likewise.
5063         * include/std/filesystem: Likewise.
5064         * include/std/iomanip: Likewise.
5065
5066 2023-04-27  Jonathan Wakely  <jwakely@redhat.com>
5067
5068         PR libstdc++/105081
5069         * src/c++11/random.cc (__throw_syserr): New function.
5070         (random_device::_M_init, random_device::_M_init_pretr1): Use new
5071         function for bad tokens.
5072         (random_device::_M_getval): Use new function for read errors.
5073         * testsuite/util/testsuite_random.h (random_device_available):
5074         Change catch handler to use std::system_error.
5075
5076 2023-04-24  Patrick Palka  <ppalka@redhat.com>
5077
5078         * include/bits/max_size_type.h (__max_diff_type::operator>>=):
5079         Fix propagation of sign bit.
5080         * testsuite/std/ranges/iota/max_size_type.cc: Avoid using the
5081         non-standard 'signed typedef-name'.  Add some compile-time tests
5082         for right-shifting a negative __max_diff_type value by more than
5083         one.
5084
5085 2023-04-19  Patrick Palka  <ppalka@redhat.com>
5086             Jonathan Wakely  <jwakely@redhat.com>
5087
5088         PR c++/100157
5089         * include/bits/utility.h (_Nth_type): Conditionally define in
5090         terms of __type_pack_element if available.
5091         * testsuite/20_util/tuple/element_access/get_neg.cc: Prune
5092         additional errors from the new built-in.
5093
5094 2023-04-19  Jonathan Wakely  <jwakely@redhat.com>
5095
5096         Revert:
5097         2023-04-18  Jonathan Wakely  <jwakely@redhat.com>
5098
5099         PR libstdc++/108969
5100         * src/Makefile.am: Move globals_io.cc to here.
5101         * src/Makefile.in: Regenerate.
5102         * src/c++98/Makefile.am: Remove globals_io.cc from here.
5103         * src/c++98/Makefile.in: Regenerate.
5104         * src/c++98/globals_io.cc [_GLIBCXX_SYMVER_GNU] (cin): Adjust
5105         symbol name and then export with GLIBCXX_3.4.31 symver.
5106         (cout, cerr, clog, wcin, wcout, wcerr, wclog): Likewise.
5107         * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt:
5108         Regenerate.
5109         * config/abi/post/i486-linux-gnu/baseline_symbols.txt:
5110         Regenerate.
5111         * config/abi/post/m68k-linux-gnu/baseline_symbols.txt:
5112         Regenerate.
5113         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt:
5114         Regenerate.
5115         * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt:
5116         Regenerate.
5117         * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt:
5118         Regenerate.
5119         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt:
5120         Regenerate.
5121         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt:
5122         Regenerate.
5123         * config/abi/pre/gnu.ver: Add iostream objects to new symver.
5124
5125 2023-04-19  Jonathan Wakely  <jwakely@redhat.com>
5126
5127         Revert:
5128         2023-04-18  Jonathan Wakely  <jwakely@redhat.com>
5129
5130         PR libstdc++/108969
5131         * config/abi/pre/gnu.ver: Fix preprocessor condition.
5132
5133 2023-04-18  Jonathan Wakely  <jwakely@redhat.com>
5134
5135         * doc/xml/manual/extensions.xml: Fix example to declare and
5136         qualify std::free, and use NULL instead of 0.
5137         * doc/html/manual/ext_demangling.html: Regenerate.
5138         * libsupc++/cxxabi.h: Adjust doxygen comments.
5139
5140 2023-04-18  Jonathan Wakely  <jwakely@redhat.com>
5141
5142         PR libstdc++/108969
5143         * config/abi/pre/gnu.ver: Fix preprocessor condition.
5144
5145 2023-04-18  Jonathan Wakely  <jwakely@redhat.com>
5146
5147         PR libstdc++/108969
5148         * src/Makefile.am: Move globals_io.cc to here.
5149         * src/Makefile.in: Regenerate.
5150         * src/c++98/Makefile.am: Remove globals_io.cc from here.
5151         * src/c++98/Makefile.in: Regenerate.
5152         * src/c++98/globals_io.cc [_GLIBCXX_SYMVER_GNU] (cin): Adjust
5153         symbol name and then export with GLIBCXX_3.4.31 symver.
5154         (cout, cerr, clog, wcin, wcout, wcerr, wclog): Likewise.
5155         * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt:
5156         Regenerate.
5157         * config/abi/post/i486-linux-gnu/baseline_symbols.txt:
5158         Regenerate.
5159         * config/abi/post/m68k-linux-gnu/baseline_symbols.txt:
5160         Regenerate.
5161         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt:
5162         Regenerate.
5163         * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt:
5164         Regenerate.
5165         * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt:
5166         Regenerate.
5167         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt:
5168         Regenerate.
5169         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt:
5170         Regenerate.
5171         * config/abi/pre/gnu.ver: Add iostream objects to new symver.
5172
5173 2023-04-18  Patrick Palka  <ppalka@redhat.com>
5174
5175         PR libstdc++/108827
5176         * include/bits/ranges_cmp.h (__cpp_lib_ranges): Bump value
5177         for C++23.
5178         * include/std/ranges (range_adaptor_closure): Define for C++23.
5179         * include/std/version (__cpp_lib_ranges): Bump value for
5180         C++23.
5181         * testsuite/std/ranges/version_c++23.cc: Bump expected value
5182         of __cpp_lib_ranges.
5183         * testsuite/std/ranges/range_adaptor_closure.cc: New test.
5184
5185 2023-04-18  Patrick Palka  <ppalka@redhat.com>
5186
5187         * include/bits/ranges_algo.h (__cpp_lib_ranges_contains):
5188         Define for C++23.
5189         (__cpp_lib_ranges_iota): Likewise.
5190         (__cpp_lib_ranges_find_last): Likewise.
5191         (__cpp_lib_fold): Rename to ...
5192         (__cpp_lib_ranges_fold): ... this.
5193         * include/std/version: As above.
5194         * testsuite/25_algorithms/fold_left/1.cc: Adjust after
5195         renaming __cpp_lib_fold.
5196         * testsuite/std/ranges/version_c++23.cc: Verify values
5197         of the above feature-test macros.
5198
5199 2023-04-18  Patrick Palka  <ppalka@redhat.com>
5200
5201         PR libstdc++/109525
5202         * include/std/ranges (views::_AsConst::operator()): Add
5203         missing const to constant_range test.
5204         * testsuite/std/ranges/adaptors/as_const/1.cc (test02):
5205         Improve formatting.  Adjust expected type of v2.
5206         (test03): New test.
5207
5208 2023-04-14  Patrick Palka  <ppalka@redhat.com>
5209
5210         * include/bits/ranges_base.h (const_iterator_t): Define for C++23.
5211         (const_sentinel_t): Likewise.
5212         (range_const_reference_t): Likewise.
5213         (constant_range): Likewise.
5214         (__cust_access::__possibly_const_range): Likewise, replacing ...
5215         (__cust_access::__as_const): ... this.
5216         (__cust_access::_CBegin::operator()): Redefine for C++23 as per P2278R4.
5217         (__cust_access::_CEnd::operator()): Likewise.
5218         (__cust_access::_CRBegin::operator()): Likewise.
5219         (__cust_access::_CREnd::operator()): Likewise.
5220         (__cust_access::_CData::operator()): Likewise.
5221         * include/bits/ranges_util.h (ranges::__detail::__different_from):
5222         Make it an alias of std::__detail::__different_from.
5223         (view_interface::cbegin): Define for C++23.
5224         (view_interface::cend): Likewise.
5225         * include/bits/stl_iterator.h (__detail::__different_from): Define.
5226         (iter_const_reference_t): Define for C++23.
5227         (__detail::__constant_iterator): Likewise.
5228         (__detail::__is_const_iterator): Likewise.
5229         (__detail::__not_a_const_iterator): Likewise.
5230         (__detail::__iter_const_rvalue_reference_t): Likewise.
5231         (__detail::__basic_const_iter_cat):: Likewise.
5232         (const_iterator): Likewise.
5233         (__detail::__const_sentinel): Likewise.
5234         (const_sentinel): Likewise.
5235         (basic_const_iterator): Likewise.
5236         (common_type<basic_const_iterator<_Tp>, _Up>): Likewise.
5237         (common_type<_Up, basic_const_iterator<_Tp>>): Likewise.
5238         (common_type<basic_const_iterator<_Tp>, basic_const_iterator<Up>>):
5239         Likewise.
5240         (make_const_iterator): Define for C++23.
5241         (make_const_sentinel): Likewise.
5242         * include/std/ranges (__cpp_lib_ranges_as_const): Likewise.
5243         (as_const_view): Likewise.
5244         (enable_borrowed_range<as_const_view>): Likewise.
5245         (views::__detail::__is_ref_view): Likewise.
5246         (views::__detail::__can_is_const_view): Likewise.
5247         (views::_AsConst, views::as_const): Likewise.
5248         * include/std/span (span::const_iterator): Likewise.
5249         (span::const_reverse_iterator): Likewise.
5250         (span::cbegin): Likewise.
5251         (span::cend): Likewise.
5252         (span::crbegin): Likewise.
5253         (span::crend): Likewise.
5254         * include/std/version (__cpp_lib_ranges_as_const): Likewise.
5255         * testsuite/std/ranges/adaptors/join.cc (test06): Adjust to
5256         behave independently of C++20 vs C++23.
5257         * testsuite/std/ranges/version_c++23.cc: Verify value of
5258         __cpp_lib_ranges_as_const macro.
5259         * testsuite/24_iterators/const_iterator/1.cc: New test.
5260         * testsuite/std/ranges/adaptors/as_const/1.cc: New test.
5261
5262 2023-04-14  Patrick Palka  <ppalka@redhat.com>
5263
5264         * include/bits/ranges_base.h (__cust_access::__as_const)
5265         (__cust_access::_CBegin, __cust::cbegin)
5266         (__cust_access::_CEnd, __cust::cend)
5267         (__cust_access::_CRBegin, __cust::crbegin)
5268         (__cust_access::_CREnd, __cust::crend)
5269         (__cust_access::_CData, __cust::cdata): Move down definitions to
5270         shortly after the definition of input_range.
5271
5272 2023-04-14  Patrick Palka  <ppalka@redhat.com>
5273
5274         * include/bits/ranges_algo.h: Include <optional> for C++23.
5275         (__cpp_lib_fold): Define for C++23.
5276         (in_value_result): Likewise.
5277         (__detail::__flipped): Likewise.
5278         (__detail::__indirectly_binary_left_foldable_impl): Likewise.
5279         (__detail::__indirectly_binary_left_foldable): Likewise.
5280         (___detail:__indirectly_binary_right_foldable): Likewise.
5281         (fold_left_with_iter_result): Likewise.
5282         (__fold_left_with_iter_fn, fold_left_with_iter): Likewise.
5283         (__fold_left_fn, fold_left): Likewise.
5284         (__fold_left_first_with_iter_fn, fold_left_first_with_iter):
5285         Likewise.
5286         (__fold_left_first_fn, fold_left_first): Likewise.
5287         (__fold_right_fn, fold_right): Likewise.
5288         (__fold_right_last_fn, fold_right_last): Likewise.
5289         * include/std/version (__cpp_lib_fold): Likewise.
5290         * testsuite/25_algorithms/fold_left/1.cc: New test.
5291         * testsuite/25_algorithms/fold_right/1.cc: New test.
5292
5293 2023-04-14  Jonathan Wakely  <jwakely@redhat.com>
5294
5295         * include/std/format (formatter): Add comment to deleted default
5296         constructor of primary template.
5297         (_Checking_scanner): Add static_assert.
5298
5299 2023-04-12  Jonathan Wakely  <jwakely@redhat.com>
5300
5301         * doc/xml/manual/using.xml: Document libstdc++exp.a library.
5302         * doc/html/*: Regenerate.
5303
5304 2023-04-12  Jonathan Wakely  <jwakely@redhat.com>
5305
5306         * testsuite/17_intro/names.cc [_AIX]: Do not define policy.
5307         * testsuite/19_diagnostics/error_code/cons/lwg3629.cc: Rename
5308         namespace to avoid clashing with libc struct.
5309         * testsuite/19_diagnostics/error_condition/cons/lwg3629.cc:
5310         Likewise.
5311         * testsuite/23_containers/unordered_map/96088.cc: Skip on AIX.
5312         * testsuite/23_containers/unordered_multimap/96088.cc: Likewise.
5313         * testsuite/23_containers/unordered_multiset/96088.cc: Likewise.
5314         * testsuite/23_containers/unordered_set/96088.cc: Likewise.
5315         * testsuite/experimental/synchronized_value.cc: Require gthreads
5316         and add missing option for pthreads targets.
5317
5318 2023-04-12  Patrick Palka  <ppalka@redhat.com>
5319
5320         * include/std/ranges (__cpp_lib_ranges_enumerate): Define
5321         for C++23.
5322         (__detail::__range_with_movable_reference): Likewise.
5323         (enumerate_view): Likewise.
5324         (enumerate_view::_Iterator): Likewise.
5325         (enumerate_view::_Sentinel): Likewise.
5326         (views::__detail::__can_enumerate_view): Likewise.
5327         (views::_Enumerate, views::enumerate): Likewise.
5328         * include/std/version (__cpp_lib_ranges_enumerate): Likewise.
5329         * testsuite/std/ranges/version_c++23.cc: Verify value of
5330         __cpp_lib_ranges_enumerate.
5331         * testsuite/std/ranges/adaptors/enumerate/1.cc: New test.
5332
5333 2023-04-12  Patrick Palka  <ppalka@redhat.com>
5334
5335         * include/std/ranges (lazy_split_view::_OuterIter::_OuterIter):
5336         Propagate _M_trailing_empty in the const-converting constructor
5337         as per LWG 3904.
5338         * testsuite/std/ranges/adaptors/adjacent/1.cc (test04): Correct
5339         assertion.
5340         * testsuite/std/ranges/adaptors/lazy_split.cc (test12): New test.
5341
5342 2023-04-12  Patrick Palka  <ppalka@redhat.com>
5343
5344         * src/c++17/floating_from_chars.cc: Include <algorithm>,
5345         <iterator>, <limits> and <cstdint>.
5346
5347 2023-04-12  Patrick Palka  <ppalka@redhat.com>
5348
5349         PR libstdc++/108291
5350         * include/std/ranges (chunk_by_view::_M_find_next): Generalize
5351         parameter types of the lambda wrapper passed to adjacent_find.
5352         (chunk_by_view::_M_find_prev): Likewise.
5353         * testsuite/std/ranges/adaptors/chunk_by/1.cc (test04, test05):
5354         New tests.
5355
5356 2023-04-12  Jonathan Wakely  <jwakely@redhat.com>
5357
5358         PR libstdc++/109482
5359         * include/experimental/internet (basic_endpoint::basic_endpoint()):
5360         Ensure that the required union members are active. Only define
5361         as constexpr for C++20 and later.
5362         (basic_endpoint::basic_endpoint(const protocol_type&, port_type)):
5363         Likewise.
5364         * testsuite/experimental/net/internet/endpoint/cons.cc: Only
5365         check constexpr default constructor for C++20 and later.
5366         * testsuite/experimental/net/internet/endpoint/extensible.cc:
5367         Likewise.
5368
5369 2023-04-12  Jonathan Wakely  <jwakely@redhat.com>
5370
5371         * src/c++20/tzdata.zi: Import new file from 2023c release.
5372
5373 2023-04-05  Arsen Arsenović  <arsen@aarsen.me>
5374
5375         * include/precompiled/stdc++.h (C++17): Don't double-include
5376         <charconv>, once with wrong conditions.
5377         * testsuite/18_support/96817.cc: Require hosted.
5378         * testsuite/18_support/bad_exception/59392.cc: Ditto.
5379         * testsuite/20_util/scoped_allocator/108952.cc: Ditto.
5380         * testsuite/20_util/uses_allocator/lwg3527.cc: Ditto.
5381         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
5382         Ditto.
5383
5384 2023-04-05  Arsen Arsenović  <arsen@aarsen.me>
5385
5386         * include/bits/c++config: When __STDC_HOSTED__ is zero,
5387         disable _GLIBCXX_DEBUG and, if it was set, enable
5388         _GLIBCXX_ASSERTIONS.
5389         * testsuite/lib/libstdc++.exp (check_v3_target_debug_mode):
5390         Include <bits/c++config.h> when determining whether debug is
5391         set, in order to inherit the logic from above
5392
5393 2023-04-05  Arsen Arsenović  <arsen@aarsen.me>
5394
5395         * testsuite/17_intro/versionconflict.cc: New test.
5396         * include/std/version: Allow disabling the system_header pragma
5397         via _GLIBCXX_TESTING_SYSHDR.
5398
5399 2023-04-05  Arsen Arsenović  <arsen@aarsen.me>
5400
5401         * include/bits/unique_ptr.h (__cpp_lib_constexpr_memory):
5402         Synchronize the definition block with...
5403         * include/bits/ptr_traits.h (__cpp_lib_constexpr_memory):
5404         ... this one here.  Also define the 202202L value, rather than
5405         leaving it up to purely unique_ptr.h, so that the value is
5406         synchronized across all headers.
5407         (__gnu_debug::_Safe_iterator_base): Move into new conditional
5408         block.
5409         * include/std/memory (__cpp_lib_atomic_value_initialization):
5410         Define on freestanding under the same conditions as in
5411         atomic_base.h.
5412         * include/std/version (__cpp_lib_robust_nonmodifying_seq_ops):
5413         Also define on freestanding.
5414         (__cpp_lib_to_chars): Ditto.
5415         (__cpp_lib_gcd): Ditto.
5416         (__cpp_lib_gcd_lcm): Ditto.
5417         (__cpp_lib_raw_memory_algorithms): Ditto.
5418         (__cpp_lib_array_constexpr): Ditto.
5419         (__cpp_lib_nonmember_container_access): Ditto.
5420         (__cpp_lib_clamp): Ditto.
5421         (__cpp_lib_constexpr_char_traits): Ditto.
5422         (__cpp_lib_constexpr_string): Ditto.
5423         (__cpp_lib_sample): Ditto.
5424         (__cpp_lib_lcm): Ditto.
5425         (__cpp_lib_constexpr_iterator): Ditto.
5426         (__cpp_lib_constexpr_char_traits): Ditto.
5427         (__cpp_lib_interpolate): Ditto.
5428         (__cpp_lib_constexpr_utility): Ditto.
5429         (__cpp_lib_shift): Ditto.
5430         (__cpp_lib_ranges): Ditto.
5431         (__cpp_lib_move_iterator_concept): Ditto.
5432         (__cpp_lib_constexpr_numeric): Ditto.
5433         (__cpp_lib_constexpr_functional): Ditto.
5434         (__cpp_lib_constexpr_algorithms): Ditto.
5435         (__cpp_lib_constexpr_tuple): Ditto.
5436         (__cpp_lib_constexpr_memory): Ditto.
5437
5438 2023-04-05  John David Anglin  <danglin@gcc.gnu.org>
5439
5440         * testsuite/22_locale/locale/cons/12658_thread-2.cc: Double
5441         timeout factor on hppa*-*-*.
5442
5443 2023-04-05  Jonathan Wakely  <jwakely@redhat.com>
5444
5445         * include/bits/regex.h (sub_match::swap): New function.
5446         * testsuite/28_regex/sub_match/lwg3204.cc: New test.
5447
5448 2023-04-04  Jonathan Wakely  <jwakely@redhat.com>
5449
5450         * doc/xml/manual/extensions.xml: Remove std::bad_exception from
5451         example program.
5452         * doc/html/manual/ext_demangling.html: Regenerate.
5453
5454 2023-03-31  Jonathan Wakely  <jwakely@redhat.com>
5455
5456         PR tree-optimization/107087
5457         * include/bits/cow_string.h (basic_string::size()): Add
5458         optimizer hint that _S_empty_rep()._M_length is always zero.
5459         (basic_string::length()): Call size().
5460
5461 2023-03-31  Jonathan Wakely  <jwakely@redhat.com>
5462
5463         PR libstdc++/109339
5464         * include/std/stop_token (_Stop_state_ptr(const stop_source&)):
5465         Add attribute access with access-mode 'none'.
5466         * testsuite/30_threads/stop_token/stop_source/109339.cc: New test.
5467
5468 2023-03-31  Jonathan Wakely  <jwakely@redhat.com>
5469
5470         * include/experimental/internet (ip::basic_endpoint::_M_if_v6):
5471         Revert change from member function to data member. Fix for
5472         constant evaluation by detecting which union member is active.
5473         (ip::basic_endpoint::resize): Revert changes to update _M_is_v6
5474         flag.
5475
5476 2023-03-29  Jonathan Wakely  <jwakely@redhat.com>
5477
5478         PR libstdc++/109242
5479         * testsuite/20_util/optional/monadic/pr109340.cc: Moved to...
5480         * testsuite/20_util/optional/monadic/pr109242.cc: ...here.
5481
5482 2023-03-29  Jonathan Wakely  <jwakely@redhat.com>
5483
5484         * include/experimental/internet (ip::make_address): Implement
5485         missing overload.
5486         (ip::address_v4::broadcast()): Avoid undefined shift.
5487         (ip::basic_endpoint): Fix member functions for constexpr.
5488         (ip::basic_endpoint::_M_is_v6): Replace member function with
5489         data member, adjust member functions using it.
5490         (ip::basic_endpoint::resize): Update _M_is_v6 based on sockaddr
5491         content.
5492         * testsuite/experimental/net/internet/address/v4/cons.cc: Fix
5493         constexpr checks to work in C++14.
5494         * testsuite/experimental/net/internet/address/v4/creation.cc:
5495         Likewise.
5496         * testsuite/experimental/net/internet/endpoint/cons.cc:
5497         Likewise.
5498         * testsuite/experimental/net/internet/network/v4/cons.cc:
5499         Likewise.
5500         * testsuite/experimental/net/internet/network/v4/members.cc:
5501         Likewise.
5502         * testsuite/experimental/net/internet/endpoint/extensible.cc: New test.
5503
5504 2023-03-29  Jonathan Wakely  <jwakely@redhat.com>
5505
5506         * include/std/expected (expected::value() &): Use const lvalue
5507         for unex member passed to bad_expected_access constructor, as
5508         per LWG 3843.
5509
5510 2023-03-29  Jonathan Wakely  <jwakely@redhat.com>
5511
5512         PR libstdc++/109340
5513         * include/std/expected (expected::transform): Use
5514         std::remove_cv_t instead of std::remove_cvref_t.
5515         (expected::transform_error): Likewise.
5516         (expected<cv void, E>::transform): Likewise.
5517         (expected<cv void, E>::transform_error): Likewise.
5518         * include/std/optional (transform): Use std::remove_cv_t.
5519         * testsuite/20_util/optional/monadic/pr109340.cc: New test.
5520
5521 2023-03-29  Jonathan Wakely  <jwakely@redhat.com>
5522
5523         * include/std/optional (optional): Adjust static assertion to
5524         reject arrays and functions as well as references.
5525         * testsuite/20_util/optional/requirements_neg.cc: New test.
5526
5527 2023-03-28  Jonathan Wakely  <jwakely@redhat.com>
5528
5529         PR libstdc++/103387
5530         * include/bits/istream.tcc (istream::_M_extract(ValueT&)): Use
5531         std::use_facet instead of cached _M_num_get facet.
5532         (istream::operator>>(short&)): Likewise.
5533         (istream::operator>>(int&)): Likewise.
5534         * include/bits/ostream.tcc (ostream::_M_insert(ValueT)): Use
5535         std::use_facet instead of cached _M_num_put facet.
5536
5537 2023-03-28  Jonathan Wakely  <jwakely@redhat.com>
5538
5539         * include/bits/char_traits.h (char_traits::copy): Return without
5540         using memcpy if n==0.
5541         (char_traits::assign): Likewise for memset.
5542
5543 2023-03-28  Jonathan Wakely  <jwakely@redhat.com>
5544
5545         PR libstdc++/109299
5546         * include/bits/basic_string.h (basic_string::_M_is_local()): Add
5547         hint for compiler that local strings fit in the local buffer.
5548
5549 2023-03-28  Jonathan Wakely  <jwakely@redhat.com>
5550
5551         PR libstdc++/109288
5552         * include/std/chrono (__detail::__get_leap_second_info): Update
5553         expiry date of hardcoded leapseconds list.
5554         * src/c++20/tzdb.cc (tzdb_list::_Node::_S_read_leap_seconds()):
5555         Likewise.
5556         * src/c++20/tzdata.zi: Import new file from 2023a release.
5557         * testsuite/std/time/time_zone/get_info_local.cc: Only check
5558         transitions for Egypt up to 2014.
5559
5560 2023-03-28  Matthias Kretz  <m.kretz@gsi.de>
5561
5562         * include/experimental/bits/simd.h (is_simd_flag_type): New.
5563         (_IsSimdFlagType): New.
5564         (copy_from, copy_to, load ctors): Constrain _Flags using
5565         _IsSimdFlagType.
5566
5567 2023-03-28  Matthias Kretz  <m.kretz@gsi.de>
5568
5569         * include/experimental/bits/simd_x86.h (_SimdImplX86): Use
5570         _Base::_S_divides if the optimized _S_divides function is hidden
5571         via the preprocessor.
5572
5573 2023-03-27  Jakub Jelinek  <jakub@redhat.com>
5574
5575         * testsuite/experimental/net/timer/waitable/dest.cc: Avoid -Wformat
5576         warning if size_t is not unsigned long.
5577
5578 2023-03-22  Jonathan Wakely  <jwakely@redhat.com>
5579
5580         * include/bits/shared_ptr_atomic.h (atomic::operator=(nullptr_t)):
5581         Add overload, as per LWG 3893.
5582         * testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc:
5583         Check assignment from nullptr.
5584
5585 2023-03-22  Jonathan Wakely  <jwakely@redhat.com>
5586
5587         * include/std/format (formatter<const charT[N], charT>): Do not
5588         define partial speclialization, as per LWG 3833.
5589         * testsuite/std/format/formatter/requirements.cc: Check it.
5590
5591 2023-03-22  Jonathan Wakely  <jwakely@redhat.com>
5592
5593         * include/std/utility (__cpp_lib_constexpr_algorithms): Define,
5594         as per LWG 3792.
5595         * testsuite/20_util/exchange/constexpr.cc: Check for it.
5596
5597 2023-03-22  Jonathan Wakely  <jwakely@redhat.com>
5598
5599         * include/std/version (__cpp_lib_format): Define.
5600         * testsuite/std/format/functions/format.cc: Check it.
5601
5602 2023-03-22  Jonathan Wakely  <jwakely@redhat.com>
5603
5604         * include/bits/basic_string.tcc (basic_string::resize_and_overwrite):
5605         Pass rvalues to the callback, as now allowed by LWG 3645.
5606         Enforce preconditions on the return value.
5607         * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
5608         Adjust.
5609
5610 2023-03-22  Jonathan Wakely  <jwakely@redhat.com>
5611
5612         * include/std/format: Add a comment noting that the resolution
5613         of LWG 3720 has been applied..
5614
5615 2023-03-22  Jonathan Wakely  <jwakely@redhat.com>
5616
5617         * include/bits/regex.h (match_results): Add allocator-extended
5618         copy and move constructors, as per LWG 2195.
5619         * testsuite/28_regex/match_results/ctors/char/alloc.cc: New test.
5620
5621 2023-03-22  Jonathan Wakely  <jwakely@redhat.com>
5622
5623         * include/bits/stream_iterator.h (istream_iterator): Add
5624         constexpr to copy constructor, as per LWG 3600.
5625         * testsuite/24_iterators/istream_iterator/cons/constexpr.cc:
5626         Check copy construction.
5627
5628 2023-03-21  Matthias Kretz  <m.kretz@gsi.de>
5629
5630         * include/experimental/bits/simd_x86.h
5631         (_SimdImplX86::_S_divides): Replace test for __GCC_IEC_559 == 0
5632         with __RECIPROCAL_MATH__.
5633
5634 2023-03-21  Matthias Kretz  <m.kretz@gsi.de>
5635
5636         * include/experimental/bits/simd_detail.h: Don't define
5637         _GLIBCXX_SIMD_WORKAROUND_PR90993 for Clang.
5638         * include/experimental/bits/simd_x86.h (_S_divides): Remove
5639         check for __clang__.
5640
5641 2023-03-21  Matthias Kretz  <m.kretz@gsi.de>
5642
5643         * include/experimental/bits/simd_detail.h: Don't declare the
5644         simd API as constexpr with Clang.
5645         * include/experimental/bits/simd_x86.h (__movm): New.
5646         (_S_blend_avx512): Resolve FIXME. Implement blend using __movm
5647         and ?:.
5648         (_SimdImplX86::_S_masked_unary): Clang does not implement the
5649         same builtins. Implement the function using __movm, ?:, and -
5650         operators on vector_size types instead.
5651
5652 2023-03-21  Matthias Kretz  <m.kretz@gsi.de>
5653
5654         * testsuite/experimental/simd/tests/operators.cc: Clang doesn't
5655         define __GCC_IEC_559. Use __STDC_IEC_559__ instead.
5656
5657 2023-03-20  Jonathan Wakely  <jwakely@redhat.com>
5658
5659         * src/filesystem/ops-common.h (get_temp_directory_from_env): Fix
5660         formatting.
5661
5662 2023-03-20  Marek Polacek  <polacek@redhat.com>
5663
5664         PR c++/109159
5665         * testsuite/20_util/pair/cons/explicit_construct.cc: Adjust dg-error.
5666         * testsuite/20_util/tuple/cons/explicit_construct.cc: Likewise.
5667         * testsuite/23_containers/span/explicit.cc: Likewise.
5668
5669 2023-03-20  Jonathan Wakely  <jwakely@redhat.com>
5670
5671         PR libstdc++/109182
5672         * include/std/expected (expected<void>::expected(in_place_t)):
5673         Remove template-head.
5674
5675 2023-03-18  Jonathan Wakely  <jwakely@redhat.com>
5676
5677         PR libstdc++/109165
5678         * testsuite/18_support/coroutines/hash.cc: Use const object
5679         in second call.
5680
5681 2023-03-17  Jonathan Wakely  <jwakely@redhat.com>
5682
5683         PR libstdc++/109165
5684         * include/std/coroutine (hash<>::operator()): Add const.
5685         * testsuite/18_support/coroutines/hash.cc: New test.
5686
5687 2023-03-14  Patrick Palka  <ppalka@redhat.com>
5688
5689         PR libstdc++/109111
5690         * include/std/ranges (repeat_view): Remove redundant parentheses
5691         in requires-clause.
5692         (repeat_view::_Iterator): Correct the requires-clause.
5693
5694 2023-03-14  Patrick Palka  <ppalka@redhat.com>
5695
5696         * include/bits/stl_iterator.h (move_iterator::_S_iter_concept):
5697         Define.
5698         (__cpp_lib_move_iterator_concept): Define for C++20.
5699         (move_iterator::iterator_concept): Strengthen as per P2520R0.
5700         * include/std/version (__cpp_lib_move_iterator_concept): Define
5701         for C++20.
5702         * testsuite/24_iterators/move_iterator/p2520r0.cc: New test.
5703
5704 2023-03-14  Patrick Palka  <ppalka@redhat.com>
5705
5706         * include/bits/ranges_util.h (view_interface::empty): Add
5707         preferred overloads that use ranges::size when the range is
5708         sized as per LWG 3715.
5709         * testsuite/std/ranges/adaptors/lwg3715.cc: New test.
5710
5711 2023-03-14  Jonathan Wakely  <jwakely@redhat.com>
5712
5713         * include/bits/chrono.h (__is_duration_v, __is_time_point_v):
5714         Only define for C++17 and later.
5715
5716 2023-03-14  Jonathan Wakely  <jwakely@redhat.com>
5717
5718         * src/Makefile.am: Add comment about linker script fragments.
5719         * src/Makefile.in: Regenerate.
5720
5721 2023-03-14  Jonathan Wakely  <jwakely@redhat.com>
5722
5723         PR libstdc++/62196
5724         * include/bits/mask_array.h (mask_array): Add assertions to
5725         assignment operators.
5726         * include/std/valarray (valarray::operator[](valarray<bool>)):
5727         Add assertions.
5728         * testsuite/26_numerics/valarray/mask-1_neg.cc: New test.
5729         * testsuite/26_numerics/valarray/mask-2_neg.cc: New test.
5730         * testsuite/26_numerics/valarray/mask-3_neg.cc: New test.
5731         * testsuite/26_numerics/valarray/mask-4_neg.cc: New test.
5732         * testsuite/26_numerics/valarray/mask-5_neg.cc: New test.
5733         * testsuite/26_numerics/valarray/mask-6_neg.cc: New test.
5734         * testsuite/26_numerics/valarray/mask-7_neg.cc: New test.
5735         * testsuite/26_numerics/valarray/mask-8_neg.cc: New test.
5736         * testsuite/26_numerics/valarray/mask.cc: New test.
5737
5738 2023-03-13  Jakub Jelinek  <jakub@redhat.com>
5739
5740         * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
5741         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
5742
5743 2023-03-13  Jonathan Wakely  <jwakely@redhat.com>
5744
5745         * doc/Makefile.am: Add comment referring to documentation.
5746         * doc/Makefile.in: Regenerate.
5747
5748 2023-03-13  Jonathan Wakely  <jwakely@redhat.com>
5749
5750         * doc/html/*: Regenerate.
5751
5752 2023-03-13  Jonny Grant  <jg@jguk.org>
5753
5754         * doc/xml/faq.xml: Update copyright year.
5755
5756 2023-03-13  Jonathan Wakely  <jwakely@redhat.com>
5757
5758         * include/bits/allocator.h: Fix typo in comment.
5759
5760 2023-03-12  Jakub Jelinek  <jakub@redhat.com>
5761
5762         * config/abi/pre/gnu.ver (CXXABI_1.3.14): Also export __bf16 tinfos
5763         if it isn't mangled as DF16b but u6__bf16.
5764
5765 2023-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
5766
5767         * doc/xml/manual/documentation_hacking.xml: Move www.graphviz.org
5768         to https.
5769         * doc/html/manual/documentation_hacking.html: Regenerate.
5770
5771 2023-03-10  Jonathan Wakely  <jwakely@redhat.com>
5772
5773         PR libstdc++/109064
5774         * python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker):
5775         Remove self-recursion in __init__. Add missing _supports.
5776         * testsuite/libstdc++-xmethods/shared_ptr.cc: Check use_count()
5777         and unique().
5778
5779 2023-03-09  Patrick Palka  <ppalka@redhat.com>
5780
5781         * include/std/ranges
5782         (cartesian_product_view::_Iterator::_Iterator): Remove
5783         constraint on default constructor as per LWG 3849.
5784         (cartesian_product_view::_Iterator::_M_prev): Adjust position
5785         of _Nm > 0 test as per LWG 3820.
5786         (cartesian_product_view::_Iterator::_M_advance): Perform bounds
5787         checking only on sized cartesian products.
5788         * testsuite/std/ranges/cartesian_product/1.cc (test08): New test.
5789
5790 2023-03-09  Patrick Palka  <ppalka@redhat.com>
5791
5792         PR libstdc++/109024
5793         * include/std/ranges (chunk_by_view::_M_pred): Remove DMI as per
5794         LWG 3796.
5795         (repeat_view::_M_pred): Likewise.
5796         * testsuite/std/ranges/adaptors/chunk_by/1.cc (test03): New test.
5797         * testsuite/std/ranges/repeat/1.cc (test05): New test.
5798
5799 2023-03-09  Patrick Palka  <ppalka@redhat.com>
5800
5801         PR libstdc++/108362
5802         * include/std/ranges (__detail::__can_single_view): New concept.
5803         (_Single::operator()): Constrain it.  Move [[nodiscard]] to the
5804         end of the function declarator.
5805         (__detail::__can_iota_view): New concept.
5806         (_Iota::operator()): Constrain it.  Move [[nodiscard]] to the
5807         end of the function declarator.
5808         (__detail::__can_istream_view): New concept.
5809         (_Istream::operator()): Constrain it.  Move [[nodiscard]] to the
5810         end of the function declarator.
5811         * testsuite/std/ranges/iota/iota_view.cc (test07): New test.
5812         * testsuite/std/ranges/istream_view.cc (test08): New test.
5813         * testsuite/std/ranges/single_view.cc (test07): New test.
5814
5815 2023-03-09  Patrick Palka  <ppalka@redhat.com>
5816
5817         PR libstdc++/107572
5818         * include/std/ranges (cartesian_product_view::end): When
5819         building the tuple of iterators, avoid calling ranges::begin on
5820         the first range if __empty_tail is false.
5821         * testsuite/std/ranges/cartesian_product/1.cc (test07): New test.
5822
5823 2023-03-09  Jonathan Wakely  <jwakely@redhat.com>
5824
5825         PR libstdc++/108882
5826         * config/os/gnu-linux/ldbl-ieee128-extra.ver: Fix incorrect
5827         patterns.
5828
5829 2023-03-07  Jakub Jelinek  <jakub@redhat.com>
5830
5831         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
5832         * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
5833         * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
5834         * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
5835         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
5836
5837 2023-03-07  Jonathan Wakely  <jwakely@redhat.com>
5838
5839         PR libstdc++/108882
5840         * config/abi/pre/gnu.ver (GLIBCXX_3.4.31): Adjust patterns to
5841         not match symbols in namespace std::__gnu_cxx11_ieee128.
5842         * config/os/gnu-linux/ldbl-ieee128-extra.ver: Add patterns for
5843         std::__gnu_cxx11_ieee128::money_{get,put}.
5844
5845 2023-03-07  Jonathan Wakely  <jwakely@redhat.com>
5846
5847         * libsupc++/eh_personality.cc: Fix spelling in comment.
5848
5849 2023-03-03  Alexandre Oliva  <oliva@adacore.com>
5850
5851         * testsuite/30_threads/async/async.cc (test04): Initialize
5852         steady_start, renamed from steady_begin, next to slow_start.
5853         Increase tolerance for final wait.
5854
5855 2023-03-03  Alexandre Oliva  <oliva@adacore.com>
5856
5857         * testsuite/libstdc++-prettyprinters/80276.cc: Add
5858         std::string to debug info.
5859         * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
5860
5861 2023-03-03  Alexandre Oliva  <oliva@adacore.com>
5862
5863         PR libstdc++/104852
5864         PR libstdc++/95989
5865         PR libstdc++/52590
5866         * include/bits/std_thread.h (thread::_M_thread_deps): New
5867         static implicitly-inline member function.
5868         (std::thread template ctor): Pass it to _M_start_thread.
5869         * src/c++11/thread.cc (thread::_M_start_thread): Name depend
5870         parameter, force it live on entry.
5871
5872 2023-03-03  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5873
5874         * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
5875         * config/abi/post/i386-solaris/amd64/baseline_symbols.txt:
5876         Likewise.
5877         * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
5878         * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
5879         Likewise.
5880
5881 2023-03-01  Jonathan Wakely  <jwakely@redhat.com>
5882
5883         * include/bits/cow_string.h: Fix typo in comment.
5884
5885 2023-03-01  Jonathan Wakely  <jwakely@redhat.com>
5886
5887         * src/c++20/tzdb.cc (chrono::tzdb::current_zone()) Use "UTC" if
5888         current time zone cannot be determined.
5889         * testsuite/std/time/tzdb/1.cc: Remove conditions based on
5890         HAVE_TZDB macro and test all members unconditionally.
5891
5892 2023-02-28  Jonathan Wakely  <jwakely@redhat.com>
5893
5894         PR libstdc++/108952
5895         * include/bits/uses_allocator_args.h
5896         (uses_allocator_construction_args): Implement LWG 3527.
5897         * testsuite/20_util/pair/astuple/get-2.cc: New test.
5898         * testsuite/20_util/scoped_allocator/108952.cc: New test.
5899         * testsuite/20_util/uses_allocator/lwg3527.cc: New test.
5900
5901 2023-02-28  Jonathan Wakely  <jwakely@redhat.com>
5902
5903         PR libstdc++/108846
5904         * include/bits/stl_algobase.h (__copy_move<false, false, RA>)
5905         Add __assign_one static member function.
5906         (__copy_move<true, false, RA>): Likewise.
5907         (__copy_move<IsMove, true, RA>): Do not use memmove for a single
5908         value.
5909         (__copy_move_backward<IsMove, true, RA>): Likewise.
5910         * testsuite/25_algorithms/copy/108846.cc: New test.
5911         * testsuite/25_algorithms/copy_backward/108846.cc: New test.
5912         * testsuite/25_algorithms/copy_n/108846.cc: New test.
5913         * testsuite/25_algorithms/move/108846.cc: New test.
5914         * testsuite/25_algorithms/move_backward/108846.cc: New test.
5915
5916 2023-02-28  Jonathan Wakely  <jwakely@redhat.com>
5917
5918         * src/c++11/codecvt.cc: Add [[likely]] and [[unlikely]]
5919         attributes.
5920
5921 2023-02-27  Jonathan Wakely  <jwakely@redhat.com>
5922
5923         * include/bits/basic_ios.h (basic_ios::_M_setstate): Add
5924         caveat to comment.
5925         * include/bits/basic_string.h (resize_and_overwrite): Add
5926         doxygen comment.
5927
5928 2023-02-24  Matthias Kretz  <m.kretz@gsi.de>
5929
5930         * include/experimental/bits/simd.h: Line breaks and indenting
5931         fixed to follow the libstdc++ standard.
5932         * include/experimental/bits/simd_builtin.h: Likewise.
5933         * include/experimental/bits/simd_fixed_size.h: Likewise.
5934         * include/experimental/bits/simd_neon.h: Likewise.
5935         * include/experimental/bits/simd_ppc.h: Likewise.
5936         * include/experimental/bits/simd_scalar.h: Likewise.
5937         * include/experimental/bits/simd_x86.h: Likewise.
5938
5939 2023-02-24  Matthias Kretz  <m.kretz@gsi.de>
5940
5941         PR libstdc++/108030
5942         * include/experimental/bits/simd_fixed_size.h
5943         (_SimdImplFixedSize::_S_broadcast): Replace inline with
5944         _GLIBCXX_SIMD_INTRINSIC.
5945         (_SimdImplFixedSize::_S_generate): Likewise.
5946         (_SimdImplFixedSize::_S_load): Likewise.
5947         (_SimdImplFixedSize::_S_masked_load): Likewise.
5948         (_SimdImplFixedSize::_S_store): Likewise.
5949         (_SimdImplFixedSize::_S_masked_store): Likewise.
5950         (_SimdImplFixedSize::_S_min): Likewise.
5951         (_SimdImplFixedSize::_S_max): Likewise.
5952         (_SimdImplFixedSize::_S_complement): Likewise.
5953         (_SimdImplFixedSize::_S_unary_minus): Likewise.
5954         (_SimdImplFixedSize::_S_plus): Likewise.
5955         (_SimdImplFixedSize::_S_minus): Likewise.
5956         (_SimdImplFixedSize::_S_multiplies): Likewise.
5957         (_SimdImplFixedSize::_S_divides): Likewise.
5958         (_SimdImplFixedSize::_S_modulus): Likewise.
5959         (_SimdImplFixedSize::_S_bit_and): Likewise.
5960         (_SimdImplFixedSize::_S_bit_or): Likewise.
5961         (_SimdImplFixedSize::_S_bit_xor): Likewise.
5962         (_SimdImplFixedSize::_S_bit_shift_left): Likewise.
5963         (_SimdImplFixedSize::_S_bit_shift_right): Likewise.
5964         (_SimdImplFixedSize::_S_remquo): Add inline keyword (to be
5965         explicit about not always-inline, yet).
5966         (_SimdImplFixedSize::_S_isinf): Likewise.
5967         (_SimdImplFixedSize::_S_isfinite): Likewise.
5968         (_SimdImplFixedSize::_S_isnan): Likewise.
5969         (_SimdImplFixedSize::_S_isnormal): Likewise.
5970         (_SimdImplFixedSize::_S_signbit): Likewise.
5971
5972 2023-02-24  Matthias Kretz  <m.kretz@gsi.de>
5973
5974         PR libstdc++/108856
5975         * include/experimental/bits/simd_builtin.h
5976         (_SimdImplBuiltin::_S_masked_unary): More efficient
5977         implementation of masked inc-/decrement for integers and floats
5978         without AVX2.
5979         * include/experimental/bits/simd_x86.h
5980         (_SimdImplX86::_S_masked_unary): New. Use AVX512 masked subtract
5981         builtins for masked inc-/decrement.
5982
5983 2023-02-24  Jonathan Wakely  <jwakely@redhat.com>
5984
5985         * include/experimental/executor (executor): Constrain template
5986         constructors.
5987
5988 2023-02-24  Jonathan Wakely  <jwakely@redhat.com>
5989
5990         * include/experimental/internet (basic_endpoint): Add missing
5991         constexpr to comparison operators.
5992         * testsuite/experimental/net/internet/endpoint/cons.cc: New test.
5993
5994 2023-02-24  Jonathan Wakely  <jwakely@redhat.com>
5995
5996         * include/experimental/internet (network_v4::netmask()): Avoid
5997         undefined shift.
5998         (network_v4::broadcast()): Optimize and fix for targets with
5999         uint_least32_t wider than 32 bits.
6000         (network_v4::to_string(const Allocator&)): Fix for custom
6001         allocators and optimize using to_chars.
6002         (operator==(const network_v4&, const network_v4&)): Add missing
6003         constexpr.
6004         (operator==(const network_v6&, const network_v6&)): Likewise.
6005         * testsuite/experimental/net/internet/network/v4/cons.cc: New test.
6006         * testsuite/experimental/net/internet/network/v4/members.cc: New test.
6007
6008 2023-02-24  Jonathan Wakely  <jwakely@redhat.com>
6009
6010         * include/experimental/internet (address_4(const bytes_type&)):
6011         Use __builtin_bit_cast if available, otherwise convert to
6012         network byte order.
6013         (address_v4::to_bytes()): Likewise, but convert from network
6014         byte order.
6015         * testsuite/experimental/net/internet/address/v4/cons.cc: Fix
6016         incorrect tests. Check for constexpr too.
6017         * testsuite/experimental/net/internet/address/v4/creation.cc:
6018         Likewise.
6019         * testsuite/experimental/net/internet/address/v4/members.cc:
6020         Check that bytes_type is a standard-layout type.
6021
6022 2023-02-24  Jonathan Wakely  <jwakely@redhat.com>
6023
6024         * include/experimental/internet (address_v4::to_string):
6025         Optimize.
6026         * testsuite/experimental/net/internet/address/v4/members.cc:
6027         Check more addresses.
6028
6029 2023-02-24  Jonathan Wakely  <jwakely@redhat.com>
6030
6031         * include/ext/aligned_buffer.h (__aligned_buffer): Add
6032         diagnostic pragmas.
6033
6034 2023-02-24  Jonathan Wakely  <jwakely@redhat.com>
6035
6036         * testsuite/std/format/arguments/lwg3810.cc: Move dg-options
6037         before dg-do.
6038
6039 2023-02-23  Matthias Kretz  <m.kretz@gsi.de>
6040
6041         * testsuite/experimental/simd/tests/reductions.cc: Introduce
6042         max_distance as the type-dependent max error.
6043
6044 2023-02-23  Matthias Kretz  <m.kretz@gsi.de>
6045
6046         * include/experimental/bits/simd_builtin.h (_S_set): Compare as
6047         int. The actual range of these indexes is very small.
6048
6049 2023-02-23  Matthias Kretz  <m.kretz@gsi.de>
6050
6051         * include/experimental/bits/simd_x86.h (_S_bit_shift_left)
6052         (_S_bit_shift_right): Declare constexpr. The implementation was
6053         already expecting constexpr evaluation.
6054
6055 2023-02-23  Matthias Kretz  <m.kretz@gsi.de>
6056
6057         PR libstdc++/108030
6058         * include/experimental/bits/simd_detail.h
6059         (_GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA): Define as empty for
6060         __clang__.
6061
6062 2023-02-23  Matthias Kretz  <m.kretz@gsi.de>
6063
6064         PR libstdc++/108030
6065         * include/experimental/bits/simd.h (__vector_broadcast):
6066         Implement via __vector_broadcast_impl instead of
6067         __call_with_n_evaluations + 2 lambdas.
6068         (__vector_broadcast_impl): New.
6069
6070 2023-02-22  Alexandre Oliva  <oliva@adacore.com>
6071
6072         * src/c++11/shared_ptr.cc (__gnu_internal::get_mutex):
6073         Avoid destruction of the mutex pool.
6074
6075 2023-02-22  Alexandre Oliva  <oliva@adacore.com>
6076
6077         * testsuite/27_io/basic_ofstream/open/char/noreplace.cc: xfail
6078         on vxworks.
6079         * testsuite/27_io/basic_ofstream/open/wchar_t/noreplace.cc:
6080         Likewise.
6081
6082 2023-02-22  Alexandre Oliva  <oliva@adacore.com>
6083
6084         * testsuite/17_intro/names.cc: Undef func on vxworks >= 7 in
6085         kernel mode.
6086
6087 2023-02-20  Andreas Schwab  <schwab@linux-m68k.org>
6088
6089         * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
6090
6091 2023-02-20  Matthias Kretz  <m.kretz@gsi.de>
6092
6093         * include/experimental/bits/simd.h (__extract_part, split):
6094         Use reserved name for template parameter.
6095
6096 2023-02-20  Andreas Schwab  <schwab@suse.de>
6097
6098         * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
6099
6100 2023-02-18  Gerald Pfeifer  <gerald@pfeifer.com>
6101
6102         * doc/xml/faq.xml: Switch two links to www.open-std.org to https.
6103         * doc/html/faq.html: Regenerate.
6104
6105 2023-02-16  Matthias Kretz  <m.kretz@gsi.de>
6106
6107         * include/experimental/bits/simd_math.h (__hypot): Bitcasting
6108         between scalars requires the __bit_cast helper function instead
6109         of simd_bit_cast.
6110
6111 2023-02-16  Matthias Kretz  <m.kretz@gsi.de>
6112
6113         * include/experimental/bits/simd_x86.h
6114         (_SimdImplX86::_S_not_equal_to, _SimdImplX86::_S_less)
6115         (_SimdImplX86::_S_less_equal): Do not call
6116         __builtin_is_constant_evaluated in constexpr-if.
6117
6118 2023-02-16  Matthias Kretz  <m.kretz@gsi.de>
6119
6120         * testsuite/experimental/simd/tests/bits/verify.h
6121         (verify::verify): Use %zx for size_t in format string.
6122
6123 2023-02-16  Matthias Kretz  <m.kretz@gsi.de>
6124
6125         * testsuite/experimental/simd/generate_makefile.sh: Generate and
6126         pre-compile pch.h, which includes all headers that do not depend
6127         on command-line macros.
6128         * testsuite/experimental/simd/tests/bits/main.h: New file.
6129         (iterate_abis, main): Moved from verify.h.
6130         * testsuite/experimental/simd/tests/bits/verify.h
6131         (iterate_abis, main): Moved to main.h.
6132         * testsuite/experimental/simd/tests/bits/conversions.h: Add
6133         include guard.
6134         (genHalfBits): Simplify.
6135         * testsuite/experimental/simd/tests/bits/make_vec.h: Add include
6136         guard.
6137         (make_alternating_mask): Moved from mask_loadstore.
6138         * testsuite/experimental/simd/tests/bits/mathreference.h: Add
6139         include guard.
6140         * testsuite/experimental/simd/tests/bits/test_values.h: Ditto.
6141         * testsuite/experimental/simd/tests/mask_loadstore.cc
6142         (make_mask, make_alternating_mask): Removed.
6143         * testsuite/experimental/simd/tests/mask_reductions.cc: Ditto.
6144         * testsuite/experimental/simd/tests/operators.cc (genHalfBits):
6145         Removed.
6146         * testsuite/experimental/simd/tests/abs.cc: Only include
6147         bits/main.h.
6148         Ditto.
6149         * testsuite/experimental/simd/tests/algorithms.cc: Ditto.
6150         * testsuite/experimental/simd/tests/broadcast.cc: Ditto.
6151         * testsuite/experimental/simd/tests/casts.cc: Ditto.
6152         * testsuite/experimental/simd/tests/fpclassify.cc: Ditto.
6153         * testsuite/experimental/simd/tests/frexp.cc: Ditto.
6154         * testsuite/experimental/simd/tests/generator.cc: Ditto.
6155         * testsuite/experimental/simd/tests/hypot3_fma.cc: Ditto.
6156         * testsuite/experimental/simd/tests/integer_operators.cc: Ditto.
6157         * testsuite/experimental/simd/tests/ldexp_scalbn_scalbln_modf.cc:
6158         * testsuite/experimental/simd/tests/loadstore.cc: Ditto.
6159         * testsuite/experimental/simd/tests/logarithm.cc: Ditto.
6160         * testsuite/experimental/simd/tests/mask_broadcast.cc: Ditto.
6161         * testsuite/experimental/simd/tests/mask_conversions.cc: Ditto.
6162         * testsuite/experimental/simd/tests/mask_implicit_cvt.cc: Ditto.
6163         * testsuite/experimental/simd/tests/mask_operator_cvt.cc: Ditto.
6164         * testsuite/experimental/simd/tests/mask_operators.cc: Ditto.
6165         * testsuite/experimental/simd/tests/math_1arg.cc: Ditto.
6166         * testsuite/experimental/simd/tests/math_2arg.cc: Ditto.
6167         * testsuite/experimental/simd/tests/operator_cvt.cc: Ditto.
6168         * testsuite/experimental/simd/tests/reductions.cc: Ditto.
6169         * testsuite/experimental/simd/tests/remqo.cc: Ditto.
6170         * testsuite/experimental/simd/tests/simd.cc: Ditto.
6171         * testsuite/experimental/simd/tests/sincos.cc: Ditto.
6172         * testsuite/experimental/simd/tests/split_concat.cc: Ditto.
6173         * testsuite/experimental/simd/tests/splits.cc: Ditto.
6174         * testsuite/experimental/simd/tests/trigonometric.cc: Ditto.
6175         * testsuite/experimental/simd/tests/trunc_ceil_floor.cc: Ditto.
6176         * testsuite/experimental/simd/tests/where.cc: Ditto.
6177
6178 2023-02-16  Matthias Kretz  <m.kretz@gsi.de>
6179
6180         * testsuite/experimental/simd/README.md: Document the timeout
6181         and timeout-factor directives. Minor typo fixed.
6182
6183 2023-02-16  Matthias Kretz  <m.kretz@gsi.de>
6184
6185         PR libstdc++/108030
6186         * include/experimental/bits/simd_detail.h: Define
6187         _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA.
6188         * include/experimental/bits/simd.h: Annotate lambdas with
6189         _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA.
6190         * include/experimental/bits/simd_builtin.h: Ditto.
6191         * include/experimental/bits/simd_converter.h: Ditto.
6192         * include/experimental/bits/simd_fixed_size.h: Ditto.
6193         * include/experimental/bits/simd_math.h: Ditto.
6194         * include/experimental/bits/simd_neon.h: Ditto.
6195         * include/experimental/bits/simd_x86.h: Ditto.
6196
6197 2023-02-16  Matthias Kretz  <m.kretz@gsi.de>
6198
6199         * include/experimental/bits/simd.h
6200         (_SimdWrapper::_M_is_constprop_none_of)
6201         (_SimdWrapper::_M_is_constprop_all_of): Return false unless the
6202         computed result still satisfies __builtin_constant_p.
6203
6204 2023-02-16  Jonathan Wakely  <jwakely@redhat.com>
6205
6206         * testsuite/std/format/arguments/lwg3810.cc: Replace UTF-8
6207         ellipsis character.
6208
6209 2023-02-16  Jonathan Wakely  <jwakely@redhat.com>
6210
6211         * include/Makefile.am: Add new header.
6212         * include/Makefile.in: Regenerate.
6213         * include/experimental/synchronized_value: New file.
6214         * testsuite/experimental/synchronized_value.cc: New test.
6215
6216 2023-02-16  Jonathan Wakely  <jwakely@redhat.com>
6217
6218         * include/experimental/optional: Fix header name in comment.
6219
6220 2023-02-16  Jonathan Wakely  <jwakely@redhat.com>
6221
6222         * include/std/format (__format::_Arg_store): New class template.
6223         (basic_format_args): Remove nested type _Store and add deduction
6224         guide from _Arg_store.
6225         (basic_format_arg, make_format_args): Adjust.
6226         * testsuite/std/format/arguments/lwg3810.cc: New test.
6227
6228 2023-02-16  Jonathan Wakely  <jwakely@redhat.com>
6229
6230         * include/bits/stl_pair.h (pair) [C++20]: Add non-dangling
6231         constraints to constructors and add deleted overloads for the
6232         dangling cases, as per P2255R2.
6233         (pair) [!C++20 && _GLIBCXX_DEBUG]: Add static assertions to
6234         make dangling cases ill-formed.
6235         * testsuite/20_util/pair/dangling_ref.cc: New test.
6236
6237 2023-02-16  Jonathan Wakely  <jwakely@redhat.com>
6238
6239         * testsuite/17_intro/names_pstl.cc: Require et tbb_backend.
6240
6241 2023-02-16  Jonathan Wakely  <jwakely@redhat.com>
6242
6243         * include/ext/throw_allocator.h: Use reserved names for
6244         parameters.
6245
6246 2023-02-16  Jonathan Wakely  <jwakely@redhat.com>
6247
6248         * testsuite/17_intro/names_pstl.cc: Add space after effective
6249         target name.
6250
6251 2023-02-16  Jonathan Wakely  <jwakely@redhat.com>
6252
6253         * include/pstl/algorithm_fwd.h (__pattern_search_n)
6254         (__brick_unique_copy, __brick_adjacent_find)
6255         (__brick_generate_n, __pattern_generate_n): Use reserved names
6256         for parameters.
6257         * include/pstl/algorithm_impl.h (__brick_unique_copy)
6258         (__pattern_reverse, __brick_generate_n): Likewise.
6259         * include/pstl/execution_impl.h (__prefer_unsequenced_tag)
6260         (__prefer_parallel_tag): Likewise.
6261         * include/pstl/glue_algorithm_impl.h (transform): Likewise.
6262         * include/pstl/glue_numeric_defs.h (adjacent_difference):
6263         Likewise.
6264         * include/pstl/numeric_impl.h (__brick_adjacent_difference):
6265         Likewise.
6266         * include/pstl/parallel_backend_tbb.h (__merge_func): Likewise.
6267         * include/pstl/unseq_backend_simd.h (_Combiner)
6268         (__simd_min_element, __simd_minmax_element): Likewise.
6269         * testsuite/17_intro/names_pstl.cc: New test.
6270
6271 2023-02-16  Jonathan Wakely  <jwakely@redhat.com>
6272
6273         * include/bits/fs_ops.h (create_directory): Use reserved name
6274         for parameter.
6275         * include/bits/ranges_algo.h (__contains_subrange_fn):
6276         Likewise.
6277         * include/bits/regex_automaton.h (_State_base::_M_print):
6278         Likewise.
6279         * include/bits/regex_automaton.tcc(_State_base::_M_print):
6280         Likewise.
6281         * include/bits/regex_scanner.tcc(_Scanner::_M_print): Likewise.
6282         * include/experimental/bits/fs_ops.h (create_directory):
6283         Likewise.
6284         * include/std/mutex (timed_mutex::_M_clocklock): Likewise.
6285         (recursive_timed_mutex:_M_clocklock): Likewise.
6286         * include/std/tuple (basic_common_reference): Likewise.
6287         * libsupc++/cxxabi_init_exception.h
6288         (__cxa_init_primary_exception): Likewise.
6289         * testsuite/17_intro/names.cc: Add checks.
6290
6291 2023-02-14  Gerald Pfeifer  <gerald@pfeifer.com>
6292
6293         * doc/xml/manual/status_cxx2017.xml: Update an open-std.org link
6294         to www.open-std.org and https.
6295         * doc/html/manual/status.html: Regenerate.
6296
6297 2023-02-14  Thomas W Rodgers  <rodgert@twrodgers.com>
6298
6299         PR libstdc++/103934
6300         * include/std/atomic (atomic_flag_wait): Add.
6301         (atomic_flag_wait_explicit): Add.
6302         (atomic_flag_notify): Add.
6303         (atomic_flag_notify_explicit): Add.
6304         * testsuite/29_atomics/atomic_flag/wait_notify/1.cc:
6305         Add test case to cover missing atomic_flag free functions.
6306
6307 2023-02-14  Thomas W Rodgers  <rodgert@twrodgers.com>
6308
6309         PR libstdc++/103934
6310         * include/std/atomic (atomic_flag_test): Add.
6311         (atomic_flag_test_explicit): Add.
6312         * testsuite/29_atomics/atomic_flag/test/explicit.cc: Add
6313         test case to cover missing atomic_flag free functions.
6314         * testsuite/29_atomics/atomic_flag/test/implicit.cc:
6315         Likewise.
6316
6317 2023-02-13  Gerald Pfeifer  <gerald@pfeifer.com>
6318
6319         * doc/xml/manual/policy_data_structures_biblio.xml: Adjust
6320         "The Component Object Model" reference.
6321         * doc/html/manual/policy_data_structures.html: Regenerate.
6322
6323 2023-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
6324
6325         * doc/xml/manual/containers.xml: Tweak a link to N1780
6326         (C++ standard).
6327         * doc/html/manual/associative.html: Regenerate.
6328
6329 2023-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
6330
6331         * doc/xml/manual/ctype.xml: Change www.unix.org to unix.org.
6332         * doc/html/manual/facets.html: Regenerate.
6333
6334 2023-02-11  Gerald Pfeifer  <gerald@pfeifer.com>
6335
6336         * doc/xml/manual/policy_data_structures_biblio.xml: Update
6337         link to "Worst-case efficient priority queues".
6338         * doc/html/manual/policy_data_structures.html: Regenerate.
6339
6340 2023-02-06  Arsen Arsenović  <arsen@aarsen.me>
6341
6342         * doc/xml/manual/using.xml: Document newly-freestanding
6343         headers and the effect of the -ffreestanding flag.
6344         * doc/xml/manual/status_cxx2023.xml: Document P1642R11 as
6345         completed.
6346         * doc/xml/manual/configure.xml: Document that hosted installs
6347         respect __STDC_HOSTED__.
6348         * doc/xml/manual/test.xml: Document how to run tests in
6349         freestanding mode.
6350         * doc/html/*: Regenerate.
6351
6352 2023-02-06  Jonathan Wakely  <jwakely@redhat.com>
6353
6354         * include/bits/ranges_algo.h (__find_last_fn): Rename T to _Tp.
6355         (__find_last_if_fn): Likewise.
6356
6357 2023-02-06  Jonathan Wakely  <jwakely@redhat.com>
6358
6359         * include/std/type_traits: Add diagnostic pragmas around
6360         references to deprecated std::aligned_storage and
6361         std::aligned_union traits.
6362         * testsuite/20_util/aligned_storage/requirements/alias_decl.cc:
6363         Add dg-warning for et c++23.
6364         * testsuite/20_util/aligned_storage/requirements/explicit_instantiation.cc:
6365         Likewise.
6366         * testsuite/20_util/aligned_storage/value.cc: Likewise.
6367         * testsuite/20_util/aligned_union/1.cc: Likewise.
6368         * testsuite/20_util/aligned_union/requirements/alias_decl.cc:
6369         Likewise.
6370
6371 2023-02-06  Nathaniel Shead  <nathanieloshead@gmail.com>
6372
6373         * doc/doxygen/user.cfg.in (PREDEFINED): Add new macros.
6374         * include/bits/c++config (_GLIBCXX23_DEPRECATED)
6375         (_GLIBCXX23_DEPRECATED_SUGGEST): New macros.
6376         * include/std/type_traits (aligned_storage, aligned_union)
6377         (aligned_storage_t, aligned_union_t): Deprecate for C++23.
6378         * testsuite/20_util/aligned_storage/deprecated-2b.cc: New test.
6379         * testsuite/20_util/aligned_union/deprecated-2b.cc: New test.
6380
6381 2023-02-06  Nathaniel Shead  <nathanieloshead@gmail.com>
6382
6383         * doc/doxygen/user.cfg.in (PREDEFINED): Update macros.
6384         * include/bits/c++config (_GLIBCXX20_DEPRECATED): Make
6385         consistent with other 'deprecated' macros.
6386         * include/std/type_traits (is_pod, is_pod_v): Use
6387         _GLIBCXX20_DEPRECATED_SUGGEST instead.
6388
6389 2023-02-06  Arsen Arsenović  <arsen@aarsen.me>
6390
6391         * Makefile.am [!_GLIBCXX_HOSTED]: Enable src/ subdirectory.
6392         * Makefile.in: Regenerate.
6393         * src/Makefile.am [!_GLIBCXX_HOSTED]: Omit compatibility files.
6394         There's no history to be compatible with.
6395         * src/c++11/Makefile.am [!_GLIBCXX_HOSTED]: Omit hosted-only
6396         source files from the build.
6397         * src/c++17/Makefile.am [!_GLIBCXX_HOSTED]: Likewise.
6398         * src/c++20/Makefile.am [!_GLIBCXX_HOSTED]: Likewise.
6399         * src/c++98/Makefile.am [!_GLIBCXX_HOSTED]: Likewise.
6400         * src/Makefile.in: Regenerate.
6401         * src/c++11/Makefile.in: Regenerate.
6402         * src/c++17/Makefile.in: Regenerate.
6403         * src/c++20/Makefile.in: Regenerate.
6404         * src/c++98/Makefile.in: Regenerate.
6405
6406 2023-02-06  Jonathan Wakely  <jwakely@redhat.com>
6407
6408         * src/Makefile.am [GLIBCXX_HOSTED] (SUBDIRS): Do not add
6409         filesystem, libbacktrace and experimental.
6410         * src/Makefile.in: Regenerate.
6411
6412 2023-02-04  Hans-Peter Nilsson  <hp@axis.com>
6413
6414         PR libstdc++/108672
6415         * include/pstl/unseq_backend_simd.h (__simd_or): Use __INT32_TYPE__
6416         instead of int32_t.
6417
6418 2023-02-04  Gerald Pfeifer  <gerald@pfeifer.com>
6419
6420         * doc/xml/manual/documentation_hacking.xml: Adjust link to pdftex.
6421         * doc/html/manual/documentation_hacking.html: Regenerate.
6422
6423 2023-02-04  François Dumont  <fdumont@gcc.gnu.org>
6424
6425         * include/bits/basic_string.h (operator=(basic_string&&)): Transfer move-to
6426         storage to the move-from instance when allocators are equal.
6427         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc (test04):
6428         New test case.
6429
6430 2023-02-03  Samuel Thibault  <samuel.thibault@gnu.org>
6431
6432         * config/os/gnu-linux/os_defines.h [!__linux__]
6433         (_GLIBCXX_NATIVE_THREAD_ID, _GLIBCXX_GTHREAD_USE_WEAK): Do not define.
6434
6435 2023-02-03  Patrick Palka  <ppalka@redhat.com>
6436
6437         * include/bits/ranges_algo.h (__find_last_fn, find_last):
6438         Define.
6439         (__find_last_if_fn, find_last_if): Define.
6440         (__find_last_if_not_fn, find_last_if_not): Define.
6441         * testsuite/25_algorithms/find_last/1.cc: New test.
6442         * testsuite/25_algorithms/find_last_if/1.cc: New test.
6443         * testsuite/25_algorithms/find_last_if_not/1.cc: New test.
6444
6445 2023-02-03  Patrick Palka  <ppalka@redhat.com>
6446
6447         * include/bits/ranges_algo.h (out_value_result): Define.
6448         (iota_result): Define.
6449         (__iota_fn, iota): Define.
6450         * testsuite/25_algorithms/iota/1.cc: New test.
6451
6452 2023-02-03  Patrick Palka  <ppalka@redhat.com>
6453
6454         * include/bits/ranges_algo.h (__contains_fn, contains): Define.
6455         (__contains_subrange_fn, contains_subrange): Define.
6456         * testsuite/25_algorithms/contains/1.cc: New test.
6457         * testsuite/25_algorithms/contains_subrange/1.cc: New test.
6458
6459 2023-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
6460
6461         * doc/xml/manual/abi.xml: Tweak link to ABIcheck project.
6462         * doc/html/manual/abi.html: Regenerate.
6463
6464 2023-02-02  Jonathan Wakely  <jwakely@redhat.com>
6465
6466         * src/filesystem/ops-common.h [AVR] (__unsupported): Always use
6467         errc::function_not_supported instead of errc::not_supported.
6468
6469 2023-02-02  Jonathan Wakely  <jwakely@redhat.com>
6470
6471         * include/std/sstream  (basic_stringbuf::view): Define for old
6472         std::string ABI.
6473         (basic_istringstream::view, basic_0stringstream::view)
6474         (basic_stringstream::view): Likewise.
6475         * testsuite/27_io/basic_istringstream/view/char/1.cc: Remove
6476         { dg-require-effective-target cxx11_abi }.
6477         * testsuite/27_io/basic_istringstream/view/wchar_t/1.cc:
6478         Likewise.
6479         * testsuite/27_io/basic_ostringstream/view/char/1.cc: Likewise.
6480         * testsuite/27_io/basic_ostringstream/view/wchar_t/1.cc:
6481         Likewise.
6482         * testsuite/27_io/basic_stringbuf/view/char/1.cc: Likewise.
6483         * testsuite/27_io/basic_stringbuf/view/wchar_t/1.cc: Likewise.
6484         * testsuite/27_io/basic_stringstream/view/char/1.cc: Likewise.
6485         * testsuite/27_io/basic_stringstream/view/wchar_t/1.cc:
6486         Likewise.
6487
6488 2023-02-02  Jonathan Wakely  <jwakely@redhat.com>
6489
6490         PR libstdc++/108636
6491         * config/abi/pre/gnu.ver (GLIBCXX_3.4.31): Export shared_ptr
6492         conversion operators for directory iterator comparisons with
6493         std::default_sentinel_t.
6494         * include/bits/fs_path.h (path::path(string_view, _Type))
6495         (path::_Cmpt::_Cmpt(string_view, _Type, size_t)): Move inline
6496         definitions to ...
6497         * src/c++17/fs_path.cc: ... here.
6498         * testsuite/27_io/filesystem/path/108636.cc: New test.
6499
6500 2023-02-02  Jonathan Wakely  <jwakely@redhat.com>
6501
6502         * include/std/variant (variant::operator=): Implement resolution
6503         of LWG 3585.
6504         * testsuite/20_util/variant/lwg3585.cc: New test.
6505
6506 2023-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
6507
6508         * doc/xml/manual/using_exceptions.xml: Update a www.open-std.org
6509         link to https.
6510         * doc/html/manual/using_exceptions.html: Regenerate.
6511
6512 2023-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
6513
6514         * doc/xml/manual/debug.xml: Fix link to online GDB manual.
6515         * doc/html/manual/debug.html: Regenerate.
6516
6517 2023-02-01  Jonathan Wakely  <jwakely@redhat.com>
6518
6519         * src/c++11/random.cc (random_device::_M_fini): Do not try to
6520         close the file handle if the target doesn't support the
6521         /dev/random and /dev/urandom files.
6522
6523 2023-02-01  Jonathan Wakely  <jwakely@redhat.com>
6524
6525         * config/os/generic/error_constants.h (errc::value_too_large)
6526         [__AVR__]: Define.
6527         * src/c++11/system_error.cc
6528         (system_category::default_error_condition) [__AVR__]: Only match
6529         recognize values equal to EDOM, ERANGE, ENOSYS and EINTR.
6530         * src/c++17/fs_ops.cc (fs::current_path) [__AVR__]: Do not check
6531         for ENOENT etc. in switch.
6532         (fs::remove_all) [__AVR__]: Likewise.
6533         * src/filesystem/ops-common.h [__AVR__]: Do not use POSIX open,
6534         close etc.
6535
6536 2023-02-01  Jonathan Wakely  <jwakely@redhat.com>
6537
6538         * acinclude.m4 (GLIBCXX_ZONEINFO_DIR) [avr-*-*, msp430-*-*]: Set
6539         embed_zoneinfo=no
6540         * configure: Regenerate.
6541
6542 2023-02-01  Hans-Peter Nilsson  <hp@axis.com>
6543
6544         PR testsuite/108632
6545         * testsuite/std/time/hh_mm_ss/1.cc (size): Add empty
6546         struct at end of S0.
6547
6548 2023-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
6549
6550         * doc/xml/manual/shared_ptr.xml: Move links from both
6551         http://open-std.org and http://www.open-std.org to
6552         https://www.open-std.org.
6553         * doc/html/manual/memory.html: Regenerate.
6554
6555 2023-01-28  Gerald Pfeifer  <gerald@pfeifer.com>
6556
6557         * doc/xml/manual/appendix_contributing.xml: Adjust link to
6558         ISO C++ standard at ANSI.
6559         Move link to www.open-std.org to https.
6560         * doc/html/manual/appendix_contributing.html: Regenerate.
6561
6562 2023-01-28  Gerald Pfeifer  <gerald@pfeifer.com>
6563
6564         * doc/xml/manual/documentation_hacking.xml: Move sourceforge.net
6565         links to https.
6566         * doc/html/manual/documentation_hacking.html: Regenerate.
6567
6568 2023-01-28  Gerald Pfeifer  <gerald@pfeifer.com>
6569
6570         * doc/xml/manual/abi.xml: Update www.open-std.org link to https.
6571         * doc/html/manual/abi.html: Regenerate.
6572
6573 2023-01-27  Jakub Jelinek  <jakub@redhat.com>
6574
6575         PR libstdc++/108568
6576         * testsuite/17_intro/names.cc (__unused): For linux or GNU hurd
6577         include features.h if present and then check __GLIBC__ and
6578         __GLIBC_MINOR__ macros for glibc prior to 2.19, instead of testing
6579         __GLIBC_PREREQ which isn't defined yet.
6580
6581 2023-01-27  Jonathan Wakely  <jwakely@redhat.com>
6582
6583         * src/c++20/tzdb.cc (tzdata_stream): Use constant instead of
6584         string literal.
6585
6586 2023-01-27  Jonathan Wakely  <jwakely@redhat.com>
6587
6588         PR libstdc++/108554
6589         * testsuite/23_containers/map/modifiers/108554.cc: Use dg-bogus.
6590
6591 2023-01-26  Jonathan Wakely  <jwakely@redhat.com>
6592
6593         * src/c++20/tzdb.cc (operator>>(istream&, ZoneInfo&)): Allow
6594         rules named "+" for compatibility with older tzdata.zi files.
6595
6596 2023-01-26  Jonathan Wakely  <jwakely@redhat.com>
6597
6598         PR libstdc++/108554
6599         * include/bits/stl_tree.h (_Rb_tree_insert_and_rebalance): Add
6600         nonnull attribute.
6601         (_Rb_tree_rebalance_for_erase): Add nonnull and returns_nonnull
6602         attributes.
6603         * testsuite/23_containers/map/modifiers/108554.cc: New test.
6604
6605 2023-01-26  Jonathan Wakely  <jwakely@redhat.com>
6606
6607         PR libstdc++/108530
6608         * src/c++20/tzdb.cc (current_zone): Look for TIMEZONE or ZONE in
6609         /etc/sysconfig/clock, not DEFAULT_TIMEZONE.
6610
6611 2023-01-26  Gerald Pfeifer  <gerald@pfeifer.com>
6612
6613         * doc/xml/manual/intro.xml: Update links to www.open-std.org to
6614         use https.
6615         * doc/html/manual/bugs.html: Regenerate.
6616
6617 2023-01-24  Jonathan Wakely  <jwakely@redhat.com>
6618
6619         PR libstdc++/108530
6620         * src/c++20/tzdb.cc (current_zone): Look for DEFAULT_TIMEZONE in
6621         /etc/sysconfig/clock.
6622
6623 2023-01-24  Jonathan Wakely  <jwakely@redhat.com>
6624
6625         PR libstdc++/102301
6626         * include/bits/ranges_base.h: Include <bits/stl_iterator.h> for
6627         std::make_reverse_iterator.
6628         * include/std/tuple: Include <bits/ranges_util.h> for subrange.
6629         (make_from_tuple): Add static assertion from P2255 to diagnose
6630         dangling references.
6631         * testsuite/20_util/tuple/make_from_tuple/dangling_ref.cc: New test.
6632         * testsuite/20_util/tuple/make_from_tuple/tuple_like.cc: New test.
6633
6634 2023-01-23  François Dumont  <fdumont@gcc.gnu.org>
6635
6636         * include/debug/safe_iterator.h (_Safe_iterator<>::_Unchecked): New.
6637         (_Safe_iterator(const _Safe_iterator&, _Unchecked)): New.
6638         (_Safe_iterator::operator++(int)): Use latter.
6639         (_Safe_iterator::operator--(int)): Likewise.
6640         (_Safe_iterator(_Iterator, const _Safe_sequence_base*)): Remove !_M_insular()
6641         check.
6642         * include/debug/safe_local_iterator.h (_Safe_local_iterator<>::_Unchecked):
6643         New.
6644         (_Safe_local_iterator(const _Safe_local_iterator&, _Unchecked)): New.
6645         (_Safe_local_iterator::operator++(int)): Use latter.
6646         * src/c++11/debug.cc (_S_debug_messages): Add as comment the _Debug_msg_id
6647         entry associated to the array entry.
6648
6649 2023-01-18  Jonathan Wakely  <jwakely@redhat.com>
6650
6651         * include/bits/fs_path.h (u8path): Add deprecated attribute.
6652         * testsuite/27_io/filesystem/path/construct/90281.cc: Add
6653         -Wno-deprecated-declarations for C++20 and later.
6654         * testsuite/27_io/filesystem/path/factory/u8path-char8_t.cc:
6655         Likewise.
6656         * testsuite/27_io/filesystem/path/factory/u8path.cc: Likewise.
6657         * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
6658         * testsuite/27_io/filesystem/path/factory/u8path-depr.cc: New test.
6659
6660 2023-01-18  Jonathan Wakely  <jwakely@redhat.com>
6661
6662         * include/bits/random.h (random_device) [!_GLIBCXX_USE_DEV_RANDOM]:
6663         Always call _M_fini and _M_getentropy.
6664
6665 2023-01-18  Gerald Pfeifer  <gerald@pfeifer.com>
6666
6667         * doc/xml/manual/policy_data_structures_biblio.xml: Adjust links
6668         to www.open-std.org to use https.
6669         (COM: Component Model Object Technologies): Rename from...
6670         (The Component Object Model): ...to.
6671         * doc/html/manual/policy_data_structures.html: Regenerate.
6672
6673 2023-01-18  Dimitrij Mijoski  <dmjpp@hotmail.com>
6674
6675         * testsuite/22_locale/codecvt/codecvt_unicode.cc: Simplify.
6676         * testsuite/22_locale/codecvt/codecvt_unicode.h: Simplify.
6677         * testsuite/22_locale/codecvt/codecvt_unicode_wchar_t.cc: Simplify.
6678
6679 2023-01-17  Jonathan Wakely  <jwakely@redhat.com>
6680
6681         * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Check $target_os instead
6682         of $host. Fix check for file being present during native build.
6683         * configure: Regenerate.
6684
6685 2023-01-17  Martin Liska  <mliska@suse.cz>
6686
6687         * src/libbacktrace/Makefile.in: Regenerate.
6688
6689 2023-01-16  Jonathan Wakely  <jwakely@redhat.com>
6690
6691         * src/c++20/tzdb.cc (_GLIBCXX_USE_CXX11_ABI): Define to 1.
6692
6693 2023-01-16  Jonathan Wakely  <jwakely@redhat.com>
6694
6695         PR libstdc++/108413
6696         * include/c_compatibility/stdatomic.h: Change copyright line to
6697         be consistent with other headers contributed under DCO terms.
6698         * include/std/expected: Add full stop to copyright line.
6699         * src/c++20/tzdb.cc: Likewise.
6700
6701 2023-01-15  Gerald Pfeifer  <gerald@pfeifer.com>
6702
6703         * doc/xml/manual/status_cxx2014.xml: Switch www.open-std.org to
6704         https.
6705         * doc/xml/manual/status_cxx2017.xml: Ditto.
6706         * doc/xml/manual/status_cxx2020.xml: Ditto.
6707         * doc/xml/manual/status_cxx2023.xml: Ditto.
6708         * doc/html/manual/status.html: Regenerate.
6709
6710 2023-01-15  Jonathan Wakely  <jwakely@redhat.com>
6711
6712         * testsuite/std/time/tzdb_list/1.cc: Remove dg-xfail-run-if
6713         and fail gracefully if defining the weak symbol doesn't work.
6714
6715 2023-01-15  François Dumont  <fdumont@gcc.gnu.org>
6716
6717         PR libstdc++/108288
6718         * include/debug/safe_iterator.h (_Safe_iterator<>::operator++(int)): Extend deadlock
6719         fix to other iterator category.
6720         (_Safe_iterator<>::operator--(int)): Likewise.
6721         * include/debug/safe_local_iterator.h (_Safe_local_iterator<>::operator++(int)):
6722         Fix deadlock.
6723         * testsuite/util/debug/unordered_checks.h (invalid_local_iterator_pre_increment): New.
6724         (invalid_local_iterator_post_increment): New.
6725         * testsuite/23_containers/unordered_map/debug/invalid_local_iterator_post_increment_neg.cc:
6726         New test.
6727         * testsuite/23_containers/unordered_map/debug/invalid_local_iterator_pre_increment_neg.cc:
6728         New test.
6729
6730 2023-01-15  Jonathan Wakely  <jwakely@redhat.com>
6731
6732         * testsuite/30_threads/jthread/jthread.cc: Remove -pthread from
6733         dg-options.
6734
6735 2023-01-15  Jonathan Wakely  <jwakely@redhat.com>
6736
6737         * testsuite/std/time/clock/utc/io.cc: Use ctype to widen char.
6738
6739 2023-01-14  Björn Schäpers  <bjoern@hazardy.de>
6740
6741         * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Add check for
6742         windows.h. Add pecoff as FORMAT_FILE.
6743         * config.h.in: Regenerate.
6744         * configure: Regenerate.
6745         * src/libbacktrace/Makefile.am: Regenerate.
6746         * src/libbacktrace/Makefile.in: Add pecoff.c as FORMAT_FILE.
6747
6748 2023-01-14  Björn Schäpers  <bjoern@hazardy.de>
6749
6750         * include/std/stacktrace (stacktrace_entry::_S_demangle): Use
6751         raw __name if __cxa_demangle could not demangle it.
6752
6753 2023-01-14  Jonathan Wakely  <jwakely@redhat.com>
6754
6755         PR libstdc++/108409
6756         * src/c++20/tzdb.cc (current_zone()) [_AIX]: Use TZ environment
6757         variable.
6758
6759 2023-01-14  Jonathan Wakely  <jwakely@redhat.com>
6760
6761         * src/c++20/tzdb.cc (TZDB_DISABLED): Disable all code for
6762         loading tzdb.
6763         * testsuite/std/time/tzdb/leap_seconds.cc: Require tzdb
6764         effective target.
6765         * testsuite/std/time/tzdb_list/1.cc: Likewise.
6766
6767 2023-01-14  Jonathan Wakely  <jwakely@redhat.com>
6768
6769         * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Replace the
6770         --with-libstdcxx-zoneinfo-dir configure option with
6771         --with-libstdcxx-zoneinfo with yes/no/static choices as well as
6772         a directory.
6773         * config.h.in: Regenerate.
6774         * configure: Regenerate.
6775         * doc/xml/manual/configure.xml: Document configure option.
6776         * doc/html/manual/configure.html: Regenerate.
6777         * src/c++20/Makefile.am: Generate tzdata.zi.h header.
6778         * src/c++20/Makefile.in: Regenerate.
6779         * src/c++20/tzdb.cc (__gnu_cxx::zoneinfo_dir_override): Return a
6780         null pointer if no directory is configured.
6781         (zoneinfo_dir): Replace with ...
6782         (zoneinfo_file): New function.
6783         (tzdata_stream): New istream class.
6784         (remote_version, reload_tzdb): Use tzdata_stream.
6785         * testsuite/lib/libstdc++.exp (check_effective_target_tzdb):
6786         Check new _GLIBCXX_STATIC_TZDATA macro and ignore presence of
6787         tzdata.zi file in default location.
6788         * src/c++20/tzdata.zi: New file.
6789
6790 2023-01-14  Jonathan Wakely  <jwakely@redhat.com>
6791
6792         * include/bits/chrono_io.h (operator<<): Fix syntax errors.
6793         * testsuite/std/time/month_day/io.cc: New test.
6794         * testsuite/std/time/month_day_last/io.cc: New test.
6795         * testsuite/std/time/month_weekday/io.cc: New test.
6796         * testsuite/std/time/month_weekday_last/io.cc: New test.
6797         * testsuite/std/time/weekday_indexed/io.cc: New test.
6798         * testsuite/std/time/weekday_last/io.cc: New test.
6799         * testsuite/std/time/year_month/io.cc: New test.
6800         * testsuite/std/time/year_month_day_last/io.cc: New test.
6801         * testsuite/std/time/year_month_weekday/io.cc: New test.
6802         * testsuite/std/time/year_month_weekday_last/io.cc: New test.
6803
6804 2023-01-14  François Dumont  <fdumont@gcc.gnu.org>
6805
6806         * include/std/format [_GLIBCXX_INLINE_VERSION](to_chars): Adapt __asm symbol
6807         specifications.
6808         * config/abi/pre/gnu-versioned-namespace.ver: Add to_chars/from_chars symbols
6809         export.
6810
6811 2023-01-13  Jonathan Wakely  <jwakely@redhat.com>
6812
6813         * include/bits/std_mutex.h: Include <errno.h>.
6814
6815 2023-01-13  Arsen Arsenović  <arsen@aarsen.me>
6816
6817         * testsuite/20_util/to_chars/version.cc: Mark hosted-only.
6818         * testsuite/20_util/uses_allocator/lwg3677.cc: Ditto.
6819         * testsuite/20_util/weak_ptr/cons/self_move.cc: Ditto.
6820         * testsuite/std/ranges/adaptors/as_rvalue/1.cc: Replace usage of
6821         std::make_unique with a freestanding-compatible wrapper around
6822         unique_ptr.
6823         * testsuite/21_strings/basic_string_view/operations/contains/char.cc:
6824         Don't test for presence of __cpp_lib_string_contains on !HOSTED.
6825         * testsuite/21_strings/basic_string_view/operations/contains/char/2.cc:
6826         Ditto.
6827         * testsuite/std/ranges/version_c++23.cc: Don't test for presence
6828         of __cpp_lib_ranges in !HOSTED.
6829
6830 2023-01-13  Arsen Arsenović  <arsen@aarsen.me>
6831
6832         * include/Makefile.am: Install bits/char_traits.h,
6833         std/string_view
6834         * include/Makefile.in: Regenerate.
6835         * include/bits/char_traits.h: Gate hosted-only, wchar-only and
6836         mbstate-only bits behind appropriate #ifs.
6837         * include/std/string_view: Gate <iostream> functionality behind
6838         HOSTED.
6839         * include/std/version: Enable __cpp_lib_constexpr_string_view
6840         and __cpp_lib_starts_ends_with in !HOSTED.
6841         * include/std/ranges: Re-enable __is_basic_string_view on
6842         freestanding, include <string_view> directly.
6843         * include/precompiled/stdc++.h: Include <string_view> when
6844         !HOSTED too.
6845         * testsuite/20_util/function_objects/searchers.cc: Skip testing
6846         boyer_moore searchers on freestanding
6847         * testsuite/21_strings/basic_string_view/capacity/1.cc: Guard
6848         <string>-related tests behind __STDC_HOSTED__.
6849         * testsuite/21_strings/basic_string_view/cons/char/1.cc: Ditto.
6850         * testsuite/21_strings/basic_string_view/cons/char/2.cc: Remove
6851         unused <stdexcept> include.
6852         * testsuite/21_strings/basic_string_view/cons/char/3.cc: Remove
6853         unused <vector> include.
6854         * testsuite/21_strings/basic_string_view/cons/char/range.cc:
6855         Guard <string> related testing behind __STDC_HOSTED__.
6856         * testsuite/21_strings/basic_string_view/cons/wchar_t/1.cc:
6857         Guard <stdexcept> related tests behind __STDC_HOSTED__.
6858         * testsuite/21_strings/basic_string_view/element_access/char/1.cc:
6859         Ditto.
6860         * testsuite/21_strings/basic_string_view/element_access/wchar_t/1.cc:
6861         Guard <stdexcept> tests behind __STDC_HOSTED__.
6862         * testsuite/21_strings/basic_string_view/operations/contains/char/2.cc:
6863         Enable test on freestanding, guard <stdexcept> bits behind
6864         __STDC_HOSTED__.
6865         * testsuite/21_strings/basic_string_view/operations/substr/char.cc:
6866         Guard <stdexcept> bits behind __STDC_HOSTED__.
6867         * testsuite/21_strings/basic_string_view/operations/substr/wchar_t.cc:
6868         Ditto.
6869
6870 2023-01-13  Dimitrij Mijoski  <dmjpp@hotmail.com>
6871
6872         PR libstdc++/86419
6873         * src/c++11/codecvt.cc (read_utf8_code_point): Correctly detect
6874         errors in incomplete multibyte sequences.
6875         (utf16_in): Remove surrogates parameter. Fix conditions for
6876         returning partial.
6877         (utf16_out): Fix condition for returning partial.
6878         (ucs2_in): Do not pass surrogates argument to utf16_in.
6879         * testsuite/22_locale/codecvt/codecvt_unicode.cc: New test.
6880         * testsuite/22_locale/codecvt/codecvt_unicode.h: New header for
6881         tests.
6882         * testsuite/22_locale/codecvt/codecvt_unicode_wchar_t.cc: New
6883         test.
6884
6885 2023-01-13  Jonathan Wakely  <jwakely@redhat.com>
6886
6887         PR libstdc++/108331
6888         * config/io/c_io_stdio.h (__c_lock): Define as a typedef for
6889         __GTHREAD_LEGACY_MUTEX_T if defined.
6890
6891 2023-01-13  Jonathan Wakely  <jwakely@redhat.com>
6892
6893         PR libstdc++/108327
6894         * config/os/gnu-linux/ldbl-extra.ver (GLIBCXX_LDBL_3.4.31):
6895         Export __try_use_facet specializations for facets in namespace
6896         __gnu_cxx_ldbl128.
6897         * config/os/gnu-linux/ldbl-ieee128-extra.ver
6898         (GLIBCXX_IEEE128_3.4.31): Likewise for facets in namespace
6899         __gnu_cxx_ieee128.
6900         * testsuite/util/testsuite_abi.cc: Add to lists of known and
6901         latest versions.
6902
6903 2023-01-13  Jonathan Wakely  <jwakely@redhat.com>
6904
6905         * include/bits/std_mutex.h: Remove <system_error> include.
6906         * include/std/condition_variable: Add <bits/error_constants.h>
6907         include.
6908         * include/std/mutex: Likewise.
6909         * include/std/shared_mutex: Likewise.
6910
6911 2023-01-12  Jonathan Wakely  <jwakely@redhat.com>
6912
6913         PR libstdc++/77691
6914         * include/experimental/memory_resource
6915         (_GLIBCXX_MAX_ALIGN_MATCHES_MALLOC): Define.
6916         (do_allocate, do_deallocate): Check it.
6917         * testsuite/experimental/memory_resource/new_delete_resource.cc:
6918         Relax expected behaviour for 64-bit hppa-hp-hpux11.11.
6919
6920 2023-01-12  Jonathan Wakely  <jwakely@redhat.com>
6921
6922         * doc/xml/manual/abi.xml: Add latest library versions.
6923         * doc/html/manual/abi.html: Regenerate.
6924
6925 2023-01-12  François Dumont  <fdumont@gcc.gnu.org>
6926
6927         PR libstdc++/107189
6928         * include/bits/stl_tree.h (_Rb_tree<>::_M_insert_range_equal): Remove
6929         unused _Alloc_node instance.
6930
6931 2023-01-12  Jonathan Wakely  <jwakely@redhat.com>
6932
6933         * include/bits/atomic_wait.h (__detail::__platform_wait_t):
6934         Define as unsigned long if always lock-free, and unsigned int
6935         otherwise.
6936
6937 2023-01-10  Jonathan Wakely  <jwakely@redhat.com>
6938
6939         * src/c++20/tzdb.cc (tzdb_list::_S_init_tzdb): Use __try and
6940         __catch macros for exception handling.
6941
6942 2023-01-10  Jonathan Wakely  <jwakely@redhat.com>
6943
6944         PR libstdc++/108221
6945         * include/bits/stl_algobase.h (__lg): Replace six overloads with
6946         a single function template for all integer types.
6947         * include/bits/stl_algo.h (__merge_adaptive_resize): Cast
6948         arithmetic results back to _Distance.
6949
6950 2023-01-10  Jonathan Wakely  <jwakely@redhat.com>
6951
6952         PR libstdc++/108221
6953         * include/std/span (span::span()): Un-simplify constraint to
6954         work for size_t of lesser rank than int.
6955
6956 2023-01-07  LIU Hao  <lh_mouse@126.com>
6957
6958         PR middle-end/108300
6959         * src/c++11/system_error.cc: Define `WIN32_LEAN_AND_MEAN` before
6960         <windows.h>.
6961         * src/c++11/thread.cc: Likewise.
6962         * src/c++17/fs_ops.cc: Likewise.
6963         * src/filesystem/ops.cc: Likewise.
6964
6965 2023-01-06  Jonathan Wakely  <jwakely@redhat.com>
6966
6967         PR libstdc++/108228
6968         * src/c++20/tzdb.cc (zoneinfo_dir): Add diagnostic pragma.
6969
6970 2023-01-06  Jonathan Wakely  <jwakely@redhat.com>
6971
6972         PR libstdc++/108235
6973         * src/c++20/tzdb.cc (time_zone::_Impl::RulesCounter): New class
6974         template and partial specialization for synchronizing access to
6975         time_zone::_Impl::infos.
6976         (time_zone::_M_get_sys_info, reload_tzdb): Adjust uses of
6977         rules_counter.
6978
6979 2023-01-06  Patrick Palka  <ppalka@redhat.com>
6980
6981         PR libstdc++/108260
6982         * include/bits/utility.h (__cpp_lib_ranges_zip): Define for C++23.
6983         * include/std/ranges (__cpp_lib_ranges_zip): Likewise.
6984         (__cpp_lib_ranges_chunk): Likewise.
6985         (__cpp_lib_ranges_slide): Likewise.
6986         (__cpp_lib_ranges_chunk_by): Likewise.
6987         (__cpp_lib_ranges_join_with): Likewise.
6988         (__cpp_lib_ranges_repeat): Likewise.
6989         (__cpp_lib_ranges_stride): Likewise.
6990         (__cpp_lib_ranges_cartesian_product): Likewise.
6991         (__cpp_lib_ranges_as_rvalue): Likewise.
6992         * include/std/version: Ditto.
6993         * testsuite/20_util/tuple/p2321r2.cc: Verify value of
6994         feature-test macro.
6995         * testsuite/std/ranges/adaptors/as_rvalue/1.cc: Likewise.
6996         * testsuite/std/ranges/adaptors/chunk/1.cc: Likewise.
6997         * testsuite/std/ranges/adaptors/chunk_by/1.cc: Likewise.
6998         * testsuite/std/ranges/adaptors/join_with/1.cc: Likewise.
6999         * testsuite/std/ranges/adaptors/slide/1.cc: Likewise.
7000         * testsuite/std/ranges/adaptors/stride/1.cc: Likewise.
7001         * testsuite/std/ranges/cartesian_product/1.cc: Likewise.
7002         * testsuite/std/ranges/repeat/1.cc: Likewise.
7003         * testsuite/std/ranges/zip/1.cc: Likewise.
7004         * testsuite/std/ranges/version_c++23.cc: New test.
7005
7006 2023-01-06  Jonathan Wakely  <jwakely@redhat.com>
7007
7008         PR libstdc++/108214
7009         * include/std/bitset (operator>>): Use alloca in the right
7010         scope, not in a constructor.
7011         * testsuite/20_util/bitset/io/input.cc: Check case from PR.
7012
7013 2023-01-06  Jonathan Wakely  <jwakely@redhat.com>
7014
7015         PR libstdc++/108221
7016         * include/std/format (basic_format_arg) [!__cpp_lib_to_chars]:
7017         Disable visiting floating-point types.
7018
7019 2023-01-06  Jonathan Wakely  <jwakely@redhat.com>
7020
7021         PR libstdc++/108288
7022         * include/debug/safe_iterator.h (_Safe_iterator::operator++(int))
7023         (_Safe_iterator::operator--(int)): Do not hold lock around
7024         construction of return value.
7025
7026 2023-01-05  John David Anglin  <danglin@gcc.gnu.org>
7027
7028         * config/cpu/hppa/atomicity.h (_PA_LDCW_INSN): Define.
7029         (__exchange_and_add): Use _PA_LDCW_INSN.  Use ordered store for
7030         lock release.  Revise loop.
7031         (__atomic_add): Likewise.
7032
7033 2023-01-05  Jonathan Wakely  <jwakely@redhat.com>
7034
7035         PR libstdc++/108212
7036         * python/libstdcxx/v6/printers.py (_utc_timezone): New global
7037         variable.
7038         (StdChronoTimePointPrinter::to_string): Use it.
7039
7040 2023-01-05  Jonathan Wakely  <jwakely@redhat.com>
7041
7042         PR libstdc++/108290
7043         * include/std/functional (_Bind_front): Add no_unique_address
7044         attribute to data members.
7045         * testsuite/20_util/function_objects/bind_front/107784.cc: Check
7046         size of call wrappers with empty types for targets and bound
7047         arguments.
7048
7049 2023-01-05  Jonathan Wakely  <jwakely@redhat.com>
7050
7051         PR libstdc++/108211
7052         * src/c++20/tzdb.cc (chrono::current_zone()): Check for zone
7053         using only last component of the name.
7054
7055 2023-01-05  Jonathan Wakely  <jwakely@redhat.com>
7056
7057         PR libstdc++/108228
7058         PR libstdc++/108235
7059         * config/abi/pre/gnu.ver: Move zoneinfo_dir_override export to
7060         the latest symbol version.
7061         * src/c++20/tzdb.cc (USE_ATOMIC_SHARED_PTR): Define to 0 if
7062         atomic<_Node*> is not always lock free.
7063         (USE_ATOMIC_LIST_HEAD): New macro.
7064         [__hpux__] (__gnu_cxx::zoneinfo_dir_override()): Provide
7065         definition of weak symbol.
7066         (tzdb_list::_Node::_S_head): Rename to _S_head_cache.
7067         (tzdb_list::_Node::_S_list_head): New function for accessing
7068         list head efficiently.
7069         (tzdb_list::_Node::_S_cache_list_head): New function for
7070         updating _S_list_head.
7071
7072 2023-01-05  Jonathan Wakely  <jwakely@redhat.com>
7073
7074         PR libstdc++/108265
7075         * include/std/chrono (hh_mm_ss): Do not use chrono::abs if
7076         duration rep is unsigned.
7077         * testsuite/std/time/hh_mm_ss/1.cc: Check unsigned rep.
7078
7079 2023-01-04  Iain Sandoe  <iain@sandoe.co.uk>
7080
7081         PR libstdc++/108228
7082         * config/abi/pre/gnu.ver (GLIBCXX_3.4):
7083         Add __gnu_cxx::zoneinfo_dir_override().
7084
7085 2023-01-04  Jonathan Wakely  <jwakely@redhat.com>
7086
7087         PR libstdc++/108258
7088         * include/std/array (__array_traits<T, 0>::operator T*()): Add
7089         constexpr.
7090         * testsuite/23_containers/array/element_access/constexpr_c++17.cc: Check
7091         std::array<T, 0>::data().
7092
7093 \f
7094 Copyright (C) 2023 Free Software Foundation, Inc.
7095
7096 Copying and distribution of this file, with or without modification,
7097 are permitted in any medium without royalty provided the copyright
7098 notice and this notice are preserved.