libstdc++-v3/ChangeLog

   1 2023-01-17  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Check $target_os instead
   4         of $host. Fix check for file being present during native build.
   5         * configure: Regenerate.
   6
   7 2023-01-17  Martin Liska  <mliska@suse.cz>
   8
   9         * src/libbacktrace/Makefile.in: Regenerate.
  10
  11 2023-01-16  Jonathan Wakely  <jwakely@redhat.com>
  12
  13         * src/c++20/tzdb.cc (_GLIBCXX_USE_CXX11_ABI): Define to 1.
  14
  15 2023-01-16  Jonathan Wakely  <jwakely@redhat.com>
  16
  17         PR libstdc++/108413
  18         * include/c_compatibility/stdatomic.h: Change copyright line to
  19         be consistent with other headers contributed under DCO terms.
  20         * include/std/expected: Add full stop to copyright line.
  21         * src/c++20/tzdb.cc: Likewise.
  22
  23 2023-01-15  Gerald Pfeifer  <gerald@pfeifer.com>
  24
  25         * doc/xml/manual/status_cxx2014.xml: Switch www.open-std.org to
  26         https.
  27         * doc/xml/manual/status_cxx2017.xml: Ditto.
  28         * doc/xml/manual/status_cxx2020.xml: Ditto.
  29         * doc/xml/manual/status_cxx2023.xml: Ditto.
  30         * doc/html/manual/status.html: Regenerate.
  31
  32 2023-01-15  Jonathan Wakely  <jwakely@redhat.com>
  33
  34         * testsuite/std/time/tzdb_list/1.cc: Remove dg-xfail-run-if
  35         and fail gracefully if defining the weak symbol doesn't work.
  36
  37 2023-01-15  François Dumont  <fdumont@gcc.gnu.org>
  38
  39         PR libstdc++/108288
  40         * include/debug/safe_iterator.h (_Safe_iterator<>::operator++(int)): Extend deadlock
  41         fix to other iterator category.
  42         (_Safe_iterator<>::operator--(int)): Likewise.
  43         * include/debug/safe_local_iterator.h (_Safe_local_iterator<>::operator++(int)):
  44         Fix deadlock.
  45         * testsuite/util/debug/unordered_checks.h (invalid_local_iterator_pre_increment): New.
  46         (invalid_local_iterator_post_increment): New.
  47         * testsuite/23_containers/unordered_map/debug/invalid_local_iterator_post_increment_neg.cc:
  48         New test.
  49         * testsuite/23_containers/unordered_map/debug/invalid_local_iterator_pre_increment_neg.cc:
  50         New test.
  51
  52 2023-01-15  Jonathan Wakely  <jwakely@redhat.com>
  53
  54         * testsuite/30_threads/jthread/jthread.cc: Remove -pthread from
  55         dg-options.
  56
  57 2023-01-15  Jonathan Wakely  <jwakely@redhat.com>
  58
  59         * testsuite/std/time/clock/utc/io.cc: Use ctype to widen char.
  60
  61 2023-01-14  Björn Schäpers  <bjoern@hazardy.de>
  62
  63         * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Add check for
  64         windows.h. Add pecoff as FORMAT_FILE.
  65         * config.h.in: Regenerate.
  66         * configure: Regenerate.
  67         * src/libbacktrace/Makefile.am: Regenerate.
  68         * src/libbacktrace/Makefile.in: Add pecoff.c as FORMAT_FILE.
  69
  70 2023-01-14  Björn Schäpers  <bjoern@hazardy.de>
  71
  72         * include/std/stacktrace (stacktrace_entry::_S_demangle): Use
  73         raw __name if __cxa_demangle could not demangle it.
  74
  75 2023-01-14  Jonathan Wakely  <jwakely@redhat.com>
  76
  77         PR libstdc++/108409
  78         * src/c++20/tzdb.cc (current_zone()) [_AIX]: Use TZ environment
  79         variable.
  80
  81 2023-01-14  Jonathan Wakely  <jwakely@redhat.com>
  82
  83         * src/c++20/tzdb.cc (TZDB_DISABLED): Disable all code for
  84         loading tzdb.
  85         * testsuite/std/time/tzdb/leap_seconds.cc: Require tzdb
  86         effective target.
  87         * testsuite/std/time/tzdb_list/1.cc: Likewise.
  88
  89 2023-01-14  Jonathan Wakely  <jwakely@redhat.com>
  90
  91         * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Replace the
  92         --with-libstdcxx-zoneinfo-dir configure option with
  93         --with-libstdcxx-zoneinfo with yes/no/static choices as well as
  94         a directory.
  95         * config.h.in: Regenerate.
  96         * configure: Regenerate.
  97         * doc/xml/manual/configure.xml: Document configure option.
  98         * doc/html/manual/configure.html: Regenerate.
  99         * src/c++20/Makefile.am: Generate tzdata.zi.h header.
 100         * src/c++20/Makefile.in: Regenerate.
 101         * src/c++20/tzdb.cc (__gnu_cxx::zoneinfo_dir_override): Return a
 102         null pointer if no directory is configured.
 103         (zoneinfo_dir): Replace with ...
 104         (zoneinfo_file): New function.
 105         (tzdata_stream): New istream class.
 106         (remote_version, reload_tzdb): Use tzdata_stream.
 107         * testsuite/lib/libstdc++.exp (check_effective_target_tzdb):
 108         Check new _GLIBCXX_STATIC_TZDATA macro and ignore presence of
 109         tzdata.zi file in default location.
 110         * src/c++20/tzdata.zi: New file.
 111
 112 2023-01-14  Jonathan Wakely  <jwakely@redhat.com>
 113
 114         * include/bits/chrono_io.h (operator<<): Fix syntax errors.
 115         * testsuite/std/time/month_day/io.cc: New test.
 116         * testsuite/std/time/month_day_last/io.cc: New test.
 117         * testsuite/std/time/month_weekday/io.cc: New test.
 118         * testsuite/std/time/month_weekday_last/io.cc: New test.
 119         * testsuite/std/time/weekday_indexed/io.cc: New test.
 120         * testsuite/std/time/weekday_last/io.cc: New test.
 121         * testsuite/std/time/year_month/io.cc: New test.
 122         * testsuite/std/time/year_month_day_last/io.cc: New test.
 123         * testsuite/std/time/year_month_weekday/io.cc: New test.
 124         * testsuite/std/time/year_month_weekday_last/io.cc: New test.
 125
 126 2023-01-14  François Dumont  <fdumont@gcc.gnu.org>
 127
 128         * include/std/format [_GLIBCXX_INLINE_VERSION](to_chars): Adapt __asm symbol
 129         specifications.
 130         * config/abi/pre/gnu-versioned-namespace.ver: Add to_chars/from_chars symbols
 131         export.
 132
 133 2023-01-13  Jonathan Wakely  <jwakely@redhat.com>
 134
 135         * include/bits/std_mutex.h: Include <errno.h>.
 136
 137 2023-01-13  Arsen Arsenović  <arsen@aarsen.me>
 138
 139         * testsuite/20_util/to_chars/version.cc: Mark hosted-only.
 140         * testsuite/20_util/uses_allocator/lwg3677.cc: Ditto.
 141         * testsuite/20_util/weak_ptr/cons/self_move.cc: Ditto.
 142         * testsuite/std/ranges/adaptors/as_rvalue/1.cc: Replace usage of
 143         std::make_unique with a freestanding-compatible wrapper around
 144         unique_ptr.
 145         * testsuite/21_strings/basic_string_view/operations/contains/char.cc:
 146         Don't test for presence of __cpp_lib_string_contains on !HOSTED.
 147         * testsuite/21_strings/basic_string_view/operations/contains/char/2.cc:
 148         Ditto.
 149         * testsuite/std/ranges/version_c++23.cc: Don't test for presence
 150         of __cpp_lib_ranges in !HOSTED.
 151
 152 2023-01-13  Arsen Arsenović  <arsen@aarsen.me>
 153
 154         * include/Makefile.am: Install bits/char_traits.h,
 155         std/string_view
 156         * include/Makefile.in: Regenerate.
 157         * include/bits/char_traits.h: Gate hosted-only, wchar-only and
 158         mbstate-only bits behind appropriate #ifs.
 159         * include/std/string_view: Gate <iostream> functionality behind
 160         HOSTED.
 161         * include/std/version: Enable __cpp_lib_constexpr_string_view
 162         and __cpp_lib_starts_ends_with in !HOSTED.
 163         * include/std/ranges: Re-enable __is_basic_string_view on
 164         freestanding, include <string_view> directly.
 165         * include/precompiled/stdc++.h: Include <string_view> when
 166         !HOSTED too.
 167         * testsuite/20_util/function_objects/searchers.cc: Skip testing
 168         boyer_moore searchers on freestanding
 169         * testsuite/21_strings/basic_string_view/capacity/1.cc: Guard
 170         <string>-related tests behind __STDC_HOSTED__.
 171         * testsuite/21_strings/basic_string_view/cons/char/1.cc: Ditto.
 172         * testsuite/21_strings/basic_string_view/cons/char/2.cc: Remove
 173         unused <stdexcept> include.
 174         * testsuite/21_strings/basic_string_view/cons/char/3.cc: Remove
 175         unused <vector> include.
 176         * testsuite/21_strings/basic_string_view/cons/char/range.cc:
 177         Guard <string> related testing behind __STDC_HOSTED__.
 178         * testsuite/21_strings/basic_string_view/cons/wchar_t/1.cc:
 179         Guard <stdexcept> related tests behind __STDC_HOSTED__.
 180         * testsuite/21_strings/basic_string_view/element_access/char/1.cc:
 181         Ditto.
 182         * testsuite/21_strings/basic_string_view/element_access/wchar_t/1.cc:
 183         Guard <stdexcept> tests behind __STDC_HOSTED__.
 184         * testsuite/21_strings/basic_string_view/operations/contains/char/2.cc:
 185         Enable test on freestanding, guard <stdexcept> bits behind
 186         __STDC_HOSTED__.
 187         * testsuite/21_strings/basic_string_view/operations/substr/char.cc:
 188         Guard <stdexcept> bits behind __STDC_HOSTED__.
 189         * testsuite/21_strings/basic_string_view/operations/substr/wchar_t.cc:
 190         Ditto.
 191
 192 2023-01-13  Dimitrij Mijoski  <dmjpp@hotmail.com>
 193
 194         PR libstdc++/86419
 195         * src/c++11/codecvt.cc (read_utf8_code_point): Correctly detect
 196         errors in incomplete multibyte sequences.
 197         (utf16_in): Remove surrogates parameter. Fix conditions for
 198         returning partial.
 199         (utf16_out): Fix condition for returning partial.
 200         (ucs2_in): Do not pass surrogates argument to utf16_in.
 201         * testsuite/22_locale/codecvt/codecvt_unicode.cc: New test.
 202         * testsuite/22_locale/codecvt/codecvt_unicode.h: New header for
 203         tests.
 204         * testsuite/22_locale/codecvt/codecvt_unicode_wchar_t.cc: New
 205         test.
 206
 207 2023-01-13  Jonathan Wakely  <jwakely@redhat.com>
 208
 209         PR libstdc++/108331
 210         * config/io/c_io_stdio.h (__c_lock): Define as a typedef for
 211         __GTHREAD_LEGACY_MUTEX_T if defined.
 212
 213 2023-01-13  Jonathan Wakely  <jwakely@redhat.com>
 214
 215         PR libstdc++/108327
 216         * config/os/gnu-linux/ldbl-extra.ver (GLIBCXX_LDBL_3.4.31):
 217         Export __try_use_facet specializations for facets in namespace
 218         __gnu_cxx_ldbl128.
 219         * config/os/gnu-linux/ldbl-ieee128-extra.ver
 220         (GLIBCXX_IEEE128_3.4.31): Likewise for facets in namespace
 221         __gnu_cxx_ieee128.
 222         * testsuite/util/testsuite_abi.cc: Add to lists of known and
 223         latest versions.
 224
 225 2023-01-13  Jonathan Wakely  <jwakely@redhat.com>
 226
 227         * include/bits/std_mutex.h: Remove <system_error> include.
 228         * include/std/condition_variable: Add <bits/error_constants.h>
 229         include.
 230         * include/std/mutex: Likewise.
 231         * include/std/shared_mutex: Likewise.
 232
 233 2023-01-12  Jonathan Wakely  <jwakely@redhat.com>
 234
 235         PR libstdc++/77691
 236         * include/experimental/memory_resource
 237         (_GLIBCXX_MAX_ALIGN_MATCHES_MALLOC): Define.
 238         (do_allocate, do_deallocate): Check it.
 239         * testsuite/experimental/memory_resource/new_delete_resource.cc:
 240         Relax expected behaviour for 64-bit hppa-hp-hpux11.11.
 241
 242 2023-01-12  Jonathan Wakely  <jwakely@redhat.com>
 243
 244         * doc/xml/manual/abi.xml: Add latest library versions.
 245         * doc/html/manual/abi.html: Regenerate.
 246
 247 2023-01-12  François Dumont  <fdumont@gcc.gnu.org>
 248
 249         PR libstdc++/107189
 250         * include/bits/stl_tree.h (_Rb_tree<>::_M_insert_range_equal): Remove
 251         unused _Alloc_node instance.
 252
 253 2023-01-12  Jonathan Wakely  <jwakely@redhat.com>
 254
 255         * include/bits/atomic_wait.h (__detail::__platform_wait_t):
 256         Define as unsigned long if always lock-free, and unsigned int
 257         otherwise.
 258
 259 2023-01-10  Jonathan Wakely  <jwakely@redhat.com>
 260
 261         * src/c++20/tzdb.cc (tzdb_list::_S_init_tzdb): Use __try and
 262         __catch macros for exception handling.
 263
 264 2023-01-10  Jonathan Wakely  <jwakely@redhat.com>
 265
 266         PR libstdc++/108221
 267         * include/bits/stl_algobase.h (__lg): Replace six overloads with
 268         a single function template for all integer types.
 269         * include/bits/stl_algo.h (__merge_adaptive_resize): Cast
 270         arithmetic results back to _Distance.
 271
 272 2023-01-10  Jonathan Wakely  <jwakely@redhat.com>
 273
 274         PR libstdc++/108221
 275         * include/std/span (span::span()): Un-simplify constraint to
 276         work for size_t of lesser rank than int.
 277
 278 2023-01-07  LIU Hao  <lh_mouse@126.com>
 279
 280         PR middle-end/108300
 281         * src/c++11/system_error.cc: Define `WIN32_LEAN_AND_MEAN` before
 282         <windows.h>.
 283         * src/c++11/thread.cc: Likewise.
 284         * src/c++17/fs_ops.cc: Likewise.
 285         * src/filesystem/ops.cc: Likewise.
 286
 287 2023-01-06  Jonathan Wakely  <jwakely@redhat.com>
 288
 289         PR libstdc++/108228
 290         * src/c++20/tzdb.cc (zoneinfo_dir): Add diagnostic pragma.
 291
 292 2023-01-06  Jonathan Wakely  <jwakely@redhat.com>
 293
 294         PR libstdc++/108235
 295         * src/c++20/tzdb.cc (time_zone::_Impl::RulesCounter): New class
 296         template and partial specialization for synchronizing access to
 297         time_zone::_Impl::infos.
 298         (time_zone::_M_get_sys_info, reload_tzdb): Adjust uses of
 299         rules_counter.
 300
 301 2023-01-06  Patrick Palka  <ppalka@redhat.com>
 302
 303         PR libstdc++/108260
 304         * include/bits/utility.h (__cpp_lib_ranges_zip): Define for C++23.
 305         * include/std/ranges (__cpp_lib_ranges_zip): Likewise.
 306         (__cpp_lib_ranges_chunk): Likewise.
 307         (__cpp_lib_ranges_slide): Likewise.
 308         (__cpp_lib_ranges_chunk_by): Likewise.
 309         (__cpp_lib_ranges_join_with): Likewise.
 310         (__cpp_lib_ranges_repeat): Likewise.
 311         (__cpp_lib_ranges_stride): Likewise.
 312         (__cpp_lib_ranges_cartesian_product): Likewise.
 313         (__cpp_lib_ranges_as_rvalue): Likewise.
 314         * include/std/version: Ditto.
 315         * testsuite/20_util/tuple/p2321r2.cc: Verify value of
 316         feature-test macro.
 317         * testsuite/std/ranges/adaptors/as_rvalue/1.cc: Likewise.
 318         * testsuite/std/ranges/adaptors/chunk/1.cc: Likewise.
 319         * testsuite/std/ranges/adaptors/chunk_by/1.cc: Likewise.
 320         * testsuite/std/ranges/adaptors/join_with/1.cc: Likewise.
 321         * testsuite/std/ranges/adaptors/slide/1.cc: Likewise.
 322         * testsuite/std/ranges/adaptors/stride/1.cc: Likewise.
 323         * testsuite/std/ranges/cartesian_product/1.cc: Likewise.
 324         * testsuite/std/ranges/repeat/1.cc: Likewise.
 325         * testsuite/std/ranges/zip/1.cc: Likewise.
 326         * testsuite/std/ranges/version_c++23.cc: New test.
 327
 328 2023-01-06  Jonathan Wakely  <jwakely@redhat.com>
 329
 330         PR libstdc++/108214
 331         * include/std/bitset (operator>>): Use alloca in the right
 332         scope, not in a constructor.
 333         * testsuite/20_util/bitset/io/input.cc: Check case from PR.
 334
 335 2023-01-06  Jonathan Wakely  <jwakely@redhat.com>
 336
 337         PR libstdc++/108221
 338         * include/std/format (basic_format_arg) [!__cpp_lib_to_chars]:
 339         Disable visiting floating-point types.
 340
 341 2023-01-06  Jonathan Wakely  <jwakely@redhat.com>
 342
 343         PR libstdc++/108288
 344         * include/debug/safe_iterator.h (_Safe_iterator::operator++(int))
 345         (_Safe_iterator::operator--(int)): Do not hold lock around
 346         construction of return value.
 347
 348 2023-01-05  John David Anglin  <danglin@gcc.gnu.org>
 349
 350         * config/cpu/hppa/atomicity.h (_PA_LDCW_INSN): Define.
 351         (__exchange_and_add): Use _PA_LDCW_INSN.  Use ordered store for
 352         lock release.  Revise loop.
 353         (__atomic_add): Likewise.
 354
 355 2023-01-05  Jonathan Wakely  <jwakely@redhat.com>
 356
 357         PR libstdc++/108212
 358         * python/libstdcxx/v6/printers.py (_utc_timezone): New global
 359         variable.
 360         (StdChronoTimePointPrinter::to_string): Use it.
 361
 362 2023-01-05  Jonathan Wakely  <jwakely@redhat.com>
 363
 364         PR libstdc++/108290
 365         * include/std/functional (_Bind_front): Add no_unique_address
 366         attribute to data members.
 367         * testsuite/20_util/function_objects/bind_front/107784.cc: Check
 368         size of call wrappers with empty types for targets and bound
 369         arguments.
 370
 371 2023-01-05  Jonathan Wakely  <jwakely@redhat.com>
 372
 373         PR libstdc++/108211
 374         * src/c++20/tzdb.cc (chrono::current_zone()): Check for zone
 375         using only last component of the name.
 376
 377 2023-01-05  Jonathan Wakely  <jwakely@redhat.com>
 378
 379         PR libstdc++/108228
 380         PR libstdc++/108235
 381         * config/abi/pre/gnu.ver: Move zoneinfo_dir_override export to
 382         the latest symbol version.
 383         * src/c++20/tzdb.cc (USE_ATOMIC_SHARED_PTR): Define to 0 if
 384         atomic<_Node*> is not always lock free.
 385         (USE_ATOMIC_LIST_HEAD): New macro.
 386         [__hpux__] (__gnu_cxx::zoneinfo_dir_override()): Provide
 387         definition of weak symbol.
 388         (tzdb_list::_Node::_S_head): Rename to _S_head_cache.
 389         (tzdb_list::_Node::_S_list_head): New function for accessing
 390         list head efficiently.
 391         (tzdb_list::_Node::_S_cache_list_head): New function for
 392         updating _S_list_head.
 393
 394 2023-01-05  Jonathan Wakely  <jwakely@redhat.com>
 395
 396         PR libstdc++/108265
 397         * include/std/chrono (hh_mm_ss): Do not use chrono::abs if
 398         duration rep is unsigned.
 399         * testsuite/std/time/hh_mm_ss/1.cc: Check unsigned rep.
 400
 401 2023-01-04  Iain Sandoe  <iain@sandoe.co.uk>
 402
 403         PR libstdc++/108228
 404         * config/abi/pre/gnu.ver (GLIBCXX_3.4):
 405         Add __gnu_cxx::zoneinfo_dir_override().
 406
 407 2023-01-04  Jonathan Wakely  <jwakely@redhat.com>
 408
 409         PR libstdc++/108258
 410         * include/std/array (__array_traits<T, 0>::operator T*()): Add
 411         constexpr.
 412         * testsuite/23_containers/array/element_access/constexpr_c++17.cc: Check
 413         std::array<T, 0>::data().
 414
 415 \f
 416 Copyright (C) 2023 Free Software Foundation, Inc.
 417
 418 Copying and distribution of this file, with or without modification,
 419 are permitted in any medium without royalty provided the copyright
 420 notice and this notice are preserved.