libstdc++-v3/ChangeLog

   1 2024-02-07  Patrick Palka  <ppalka@redhat.com>
   2
   3         PR testsuite/113710
   4         PR c++/113814
   5         * include/bits/stl_pair.h (tuple_element): Add forward
   6         declaration of the partial specialization for tuple.
   7
   8 2024-02-06  Torbjörn SVENSSON  <torbjorn.svensson@foss.st.com>
   9
  10         * testsuite/lib/libstdc++.exp: Use "nul" for Windows, "/dev/null"
  11         for other environments.
  12
  13 2024-02-04  Jonathan Wakely  <jwakely@redhat.com>
  14
  15         * include/std/format (__format::_Spec::_M_reserved): Define new
  16         bit-field members to reserve padding bits for future extensions.
  17
  18 2024-02-04  Jonathan Wakely  <jwakely@redhat.com>
  19
  20         * src/experimental/Makefile.am: Use libstdc++fsconvenience.a
  21         instead of libstdc++fs.a.
  22         * src/experimental/Makefile.in: Regenerate.
  23         * src/filesystem/Makefile.am: Build libstdc++fsconvenience.a as
  24         well.
  25         * src/filesystem/Makefile.in: Regenerate.
  26
  27 2024-02-04  Jonathan Wakely  <jwakely@redhat.com>
  28
  29         * include/bits/text_encoding-data.h: Regenerate.
  30         * include/bits/unicode-data.h: Regenerate.
  31         * scripts/gen_text_encoding_data.py: Add copyright and license
  32         text to the output.
  33
  34 2024-02-02  Jonathan Wakely  <jwakely@redhat.com>
  35
  36         PR libstdc++/113335
  37         * include/bits/std_function.h (__function_guide_helper): Add
  38         partial specialization for explicit object member functions, as
  39         per LWG 3617.
  40         * testsuite/20_util/function/cons/deduction_c++23.cc: Check
  41         explicit object member functions.
  42         * testsuite/30_threads/packaged_task/cons/deduction_c++23.cc:
  43         Likewise.
  44
  45 2024-02-02  Jonathan Wakely  <jwakely@redhat.com>
  46
  47         * testsuite/17_intro/names.cc [_AIX]: Undefine "u".
  48
  49 2024-02-02  Jonathan Wakely  <jwakely@redhat.com>
  50
  51         * include/experimental/internet (network_v6::network): Define.
  52         (network_v6::hosts): Finish implementing.
  53         (network_v6::to_string): Do not concatenate std::string to
  54         arbitrary std::basic_string specialization.
  55         * testsuite/experimental/net/internet/network/v6/cons.cc: New
  56         test.
  57
  58 2024-02-02  Jonathan Wakely  <jwakely@redhat.com>
  59
  60         PR libstdc++/90276
  61         * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: Fix
  62         comparison function to use less-than instead of equality.
  63
  64 2024-02-02  Jonathan Wakely  <jwakely@redhat.com>
  65
  66         PR libstdc++/90276
  67         * testsuite/util/pstl/test_utils.h (reverse_invoker): Do not use
  68         perfect forwarding for iterator arguments.
  69
  70 2024-02-02  Jonathan Wakely  <jwakely@redhat.com>
  71
  72         * include/std/string_view (basic_string_view(R&&)): Remove
  73         constraint that traits_type must be the same, as per LWG 3857.
  74         * testsuite/21_strings/basic_string_view/cons/char/range_c++20.cc:
  75         Explicit conversion between different specializations should be
  76         allowed.
  77         * testsuite/21_strings/basic_string_view/cons/wchar_t/range_c++20.cc:
  78         Likewise.
  79
  80 2024-02-02  Jonathan Wakely  <jwakely@redhat.com>
  81
  82         * include/std/syncstream (basic_osyncstream::operator=): Remove
  83         noexcept, as per LWG 3867.
  84
  85 2024-02-02  Jonathan Wakely  <jwakely@redhat.com>
  86
  87         * include/std/generator (promise_type::yield_value): Remove
  88         noexcept from fourth overload, as per LWG 3894.
  89
  90 2024-02-01  Patrick Palka  <ppalka@redhat.com>
  91
  92         PR libstdc++/113309
  93         PR libstdc++/109203
  94         * include/bits/ranges_util.h (__detail::__pair_like): Don't
  95         define in C++23 mode.
  96         (__detail::__pair_like_convertible_from): Adjust as per P2165R4.
  97         (__detail::__is_subrange<subrange>): Moved from <ranges>.
  98         (__detail::__is_tuple_like_v<subrange>): Likewise.
  99         * include/bits/stl_iterator.h: Include <bits/utility.h> for
 100         C++23.
 101         (__different_from): Move to <concepts>.
 102         (__iter_key_t): Adjust for C++23 as per P2165R4.
 103         (__iter_val_t): Likewise.
 104         * include/bits/stl_pair.h (pair, array): Forward declare.
 105         (get): Forward declare all overloads relevant to P2165R4
 106         tuple-like constructors.
 107         (__is_tuple_v): Define for C++23.
 108         (__is_tuple_like_v): Define for C++23.
 109         (__tuple_like): Define for C++23 as per P2165R4.
 110         (__pair_like): Define for C++23 as per P2165R4.
 111         (__eligibile_tuple_like): Define for C++23.
 112         (__eligibile_pair_like): Define for C++23.
 113         (pair::_S_constructible_from_pair_like): Define for C++23.
 114         (pair::_S_convertible_from_pair_like): Define for C++23.
 115         (pair::_S_dangles_from_pair_like): Define for C++23.
 116         (pair::pair): Define overloads taking a tuple-like type for
 117         C++23 as per P2165R4.
 118         (pair::_S_assignable_from_tuple_like): Define for C++23.
 119         (pair::_S_const_assignable_from_tuple_like): Define for C++23.
 120         (pair::operator=): Define overloads taking a tuple-like type for
 121         C++23 as per P2165R4.
 122         * include/bits/utility.h (ranges::__detail::__is_subrange):
 123         Moved from <ranges>.
 124         * include/bits/version.def (tuple_like): Define for C++23.
 125         * include/bits/version.h: Regenerate.
 126         * include/std/concepts (__different_from): Moved from
 127         <bits/stl_iterator.h>.
 128         (ranges::__swap::__adl_swap): Clarify which __detail namespace.
 129         * include/std/map (__cpp_lib_tuple_like): Define C++23.
 130         * include/std/ranges (__detail::__is_subrange): Moved to
 131         <bits/utility.h>.
 132         (__detail::__is_subrange<subrange>): Moved to <bits/ranges_util.h>
 133         (__detail::__has_tuple_element): Adjust for C++23 as per P2165R4.
 134         (__detail::__tuple_or_pair): Remove as per P2165R4.  Replace all
 135         uses with plain tuple as per P2165R4.
 136         * include/std/tuple (__cpp_lib_tuple_like): Define for C++23.
 137         (__tuple_like_tag_t): Define for C++23.
 138         (__tuple_cmp): Forward declare for C++23.
 139         (_Tuple_impl::_Tuple_impl): Define overloads taking
 140         __tuple_like_tag_t and a tuple-like type for C++23.
 141         (_Tuple_impl::_M_assign): Likewise.
 142         (tuple::__constructible_from_tuple_like): Define for C++23.
 143         (tuple::__convertible_from_tuple_like): Define for C++23.
 144         (tuple::__dangles_from_tuple_like): Define for C++23.
 145         (tuple::tuple): Define overloads taking a tuple-like type for
 146         C++23 as per P2165R4.
 147         (tuple::__assignable_from_tuple_like): Define for C++23.
 148         (tuple::__const_assignable_from_tuple_like): Define for C++23.
 149         (tuple::operator=): Define overloads taking a tuple-like type
 150         for C++23 as per P2165R4.
 151         (tuple::__tuple_like_common_comparison_category): Define for C++23.
 152         (tuple::operator<=>): Define overload taking a tuple-like type
 153         for C++23 as per P2165R4.
 154         (array, get): Forward declarations moved to <bits/stl_pair.h>.
 155         (tuple_cat): Constrain with __tuple_like for C++23 as per P2165R4.
 156         (apply): Likewise.
 157         (make_from_tuple): Likewise.
 158         (__tuple_like_common_reference): Define for C++23.
 159         (basic_common_reference): Adjust as per P2165R4.
 160         (__tuple_like_common_type): Define for C++23.
 161         (common_type): Adjust as per P2165R4.
 162         * include/std/unordered_map (__cpp_lib_tuple_like): Define for
 163         C++23.
 164         * include/std/utility (__cpp_lib_tuple_like): Define for C++23.
 165         * testsuite/std/ranges/zip/1.cc (test01): Adjust to handle pair
 166         and 2-tuple interchangeably.
 167         (test05): New test.
 168         * testsuite/20_util/pair/p2165r4.cc: New test.
 169         * testsuite/20_util/tuple/p2165r4.cc: New test.
 170
 171 2024-02-01  Patrick Palka  <ppalka@redhat.com>
 172
 173         * include/bits/stl_pair.h (pair::_S_const_assignable): Define,
 174         factored out from ...
 175         (pair::operator=): ... the constraints of the const overloads.
 176
 177 2024-02-01  Jonathan Wakely  <jwakely@redhat.com>
 178
 179         * include/bits/version.tpl: Do not use def-file-line for each
 180         macro being defined.
 181         * include/bits/version.h: Regenerate.
 182
 183 2024-02-01  Jonathan Wakely  <jwakely@redhat.com>
 184
 185         * testsuite/25_algorithms/copy/debug/constexpr_neg.cc: Adjust
 186         dg-error pattern.
 187         * testsuite/25_algorithms/copy_backward/debug/constexpr_neg.cc:
 188         Likewise.
 189         * testsuite/25_algorithms/equal/debug/constexpr_neg.cc:
 190         Likewise.
 191         * testsuite/25_algorithms/lower_bound/debug/constexpr_partitioned_neg.cc:
 192         Likewise.
 193         * testsuite/25_algorithms/lower_bound/debug/constexpr_partitioned_pred_neg.cc:
 194         Likewise.
 195         * testsuite/25_algorithms/lower_bound/debug/constexpr_valid_range_neg.cc:
 196         Likewise.
 197         * testsuite/25_algorithms/upper_bound/debug/constexpr_partitioned_neg.cc:
 198         Likewise.
 199         * testsuite/25_algorithms/upper_bound/debug/constexpr_partitioned_pred_neg.cc:
 200         Likewise.
 201         * testsuite/25_algorithms/upper_bound/debug/constexpr_valid_range_neg.cc:
 202         Likewise.
 203
 204 2024-02-01  Jonathan Wakely  <jwakely@redhat.com>
 205
 206         * include/experimental/internet (network_v4::to_string()):
 207         Remove lambda and use of resize_and_overwrite.
 208
 209 2024-01-31  Jonathan Wakely  <jwakely@redhat.com>
 210
 211         * acinclude.m4 (GLIBCXX_CHECK_TEXT_ENCODING): Use <xlocale.h> if
 212         needed for newlocale.
 213         * configure: Regenerate.
 214         * src/c++26/text_encoding.cc: Use <xlocale.h>.
 215
 216 2024-01-31  Jonathan Wakely  <jwakely@redhat.com>
 217             Ewan Higgs  <ewan.higgs@gmail.com>
 218
 219         * include/bits/text_encoding-data.h: Regenerate.
 220         * scripts/gen_text_encoding_data.py: Add extra_aliases dict
 221         containing "ASCII".
 222         * testsuite/std/text_encoding/cons.cc: Check "ascii" is known.
 223
 224 2024-01-31  Jonathan Wakely  <jwakely@redhat.com>
 225
 226         * doc/xml/manual/using.xml: Update tables of supported headers.
 227         * doc/html/*: Regenerate.
 228
 229 2024-01-31  Jonathan Wakely  <jwakely@redhat.com>
 230
 231         * include/std/bitset (_Base_bitset::_M_do_to_ullong): Avoid
 232         -Wshift-count-overflow warning.
 233
 234 2024-01-30  Jonathan Wakely  <jwakely@redhat.com>
 235
 236         * testsuite/std/time/clock/gps/io.cc: Fix expected result in
 237         assertion and call test_format() from main.
 238
 239 2024-01-29  François Dumont  <fdumont@gcc.gnu.org>
 240
 241         * doc/xml/manual/debug_mode.xml: Link against libstdc++exp.a to use
 242         _GLIBCXX_DEBUG_BACKTRACE macro.
 243
 244 2024-01-24  Huanghui Nie  <nnnjkk@gmail.com>
 245             Théo Papadopoulo   <papadopoulo@gmail.com>
 246
 247         * include/bits/hashtable.h (_Hahstable<>::_M_remove_bucket_begin): Remove
 248         _M_before_begin check and cleanup implementation.
 249
 250 2024-01-22  Jonathan Wakely  <jwakely@redhat.com>
 251
 252         * testsuite/std/time/clock/file/io.cc: Fix expected result in
 253         assertion and call test_format() from main.
 254
 255 2024-01-21  Jonathan Wakely  <jwakely@redhat.com>
 256
 257         PR libstdc++/113500
 258         * include/bits/chrono_io.h (__formatter_chrono::_M_S): Fix
 259         printing of subseconds with floating-point rep.
 260         (__formatter_chrono::_M_format_to_ostream): Do not write
 261         time_point specializations directly to the ostream.
 262         (formatter<chrono::sys_time<D>, C>::parse): Do not allow an
 263         empty chrono-spec if the type fails to meet the constraints for
 264         writing to an ostream with operator<<.
 265         * testsuite/std/time/clock/file/io.cc: Check formatting
 266         non-integral times with empty chrono-specs.
 267         * testsuite/std/time/clock/gps/io.cc: Likewise.
 268         * testsuite/std/time/clock/utc/io.cc: Likewise.
 269         * testsuite/std/time/hh_mm_ss/io.cc: Likewise.
 270
 271 2024-01-21  Jonathan Wakely  <jwakely@redhat.com>
 272
 273         * include/bits/chrono.h (__file_clock::from_sys)
 274         (__file_clock::to_sys, __file_clock::_S_from_sys)
 275         (__file_clock::_S_to_sys): Use common_type for return type.
 276         * testsuite/std/time/clock/file/members.cc: Check round trip
 277         conversion for time with lower precision that seconds.
 278
 279 2024-01-21  Jonathan Wakely  <jwakely@redhat.com>
 280
 281         PR libstdc++/113512
 282         * include/std/format (__formatter_fp::format): Fix logic for
 283         alternate forms.
 284         * testsuite/std/format/functions/format.cc: Check buggy cases of
 285         alternate forms with g presentation type.
 286
 287 2024-01-20  Marek Polacek  <polacek@redhat.com>
 288
 289         PR c++/111410
 290         * include/std/ranges: Add #pragma to disable -Wdangling-reference with
 291         std::ranges::views::__adaptor::operator|.
 292
 293 2024-01-19  Jonathan Wakely  <jwakely@redhat.com>
 294
 295         * include/std/format (_Spec::_M_parse_fill_and_align): Do not
 296         use CTAD for _Utf32_view.
 297
 298 2024-01-19  Jonathan Wakely  <jwakely@redhat.com>
 299
 300         PR libstdc++/108822
 301         * include/std/tuple (__glibcxx_no_dangling_refs) [C++17]: Fix
 302         wrong fold-operator.
 303         * testsuite/20_util/tuple/dangling_ref.cc: Check tuples with one
 304         element and three elements. Check allocator-extended
 305         constructors.
 306
 307 2024-01-19  Patrick Palka  <ppalka@redhat.com>
 308
 309         * include/precompiled/stdc++.h [_GLIBCXX_HOSTED]: Include
 310         <print> and <text_encoding> for C++23 and C++26 respectively.
 311
 312 2024-01-18  Patrick Palka  <ppalka@redhat.com>
 313
 314         * include/bits/stl_pair.h [__cplusplus > 202002L]:
 315         Guard P2321R2 changes with __glibcxx_ranges_zip instead.
 316
 317 2024-01-18  Patrick Palka  <ppalka@redhat.com>
 318
 319         * include/std/tuple [__cplusplus > 202002L]: Guard P2321R2
 320         changes with __cpp_lib_ranges_zip instead.
 321
 322 2024-01-18  Patrick Palka  <ppalka@redhat.com>
 323
 324         PR libstdc++/109536
 325         * include/debug/safe_base.h (_Safe_sequence_base::_M_swap):
 326         Remove _GLIBCXX20_CONSTEXPR from non-inline member function.
 327         * include/debug/safe_iterator.h
 328         (_GLIBCXX20_CONSTEXPR_NON_LITERAL_SCOPE_BEGIN): Define.
 329         (_GLIBCXX20_CONSTEXPR_NON_LITERAL_SCOPE_END): Define.
 330         (_Safe_iterator::operator=): Use them around the code path that
 331         defines a variable of type __gnu_cxx::__scoped_lock.
 332         (_Safe_iterator::operator++): Likewise.
 333         (_Safe_iterator::operator--): Likewise.
 334         (_Safe_iterator::operator+=): Likewise.
 335         (_Safe_iterator::operator-=): Likewise.
 336         * testsuite/23_containers/vector/element_access/constexpr.cc
 337         (test_iterators): Test more iterator operations.
 338         * testsuite/23_containers/vector/bool/element_access/constexpr.cc
 339         (test_iterators): Likewise.
 340         * testsuite/std/ranges/adaptors/all.cc (test08) [_GLIBCXX_DEBUG]:
 341         Remove.
 342
 343 2024-01-18  Jonathan Wakely  <jwakely@redhat.com>
 344
 345         * include/bits/unicode.h (__charset_alias_match): Initialize
 346         __var_a and __var_b.
 347
 348 2024-01-18  Jonathan Wakely  <jwakely@redhat.com>
 349
 350         PR libstdc++/113450
 351         * testsuite/std/format/functions/format.cc: Use signed char
 352         instead of int8_t.
 353
 354 2024-01-17  Jonathan Wakely  <jwakely@redhat.com>
 355
 356         PR libstdc++/113318
 357         * acinclude.m4 (GLIBCXX_CONFIGURE): Add c++26 directory.
 358         (GLIBCXX_CHECK_TEXT_ENCODING): Define.
 359         * config.h.in: Regenerate.
 360         * configure: Regenerate.
 361         * configure.ac: Use GLIBCXX_CHECK_TEXT_ENCODING.
 362         * include/Makefile.am: Add new headers.
 363         * include/Makefile.in: Regenerate.
 364         * include/bits/locale_classes.h (locale::encoding): Declare new
 365         member function.
 366         * include/bits/unicode.h (__charset_alias_match): New function.
 367         * include/bits/text_encoding-data.h: New file.
 368         * include/bits/version.def (text_encoding): Define.
 369         * include/bits/version.h: Regenerate.
 370         * include/std/text_encoding: New file.
 371         * src/Makefile.am: Add new subdirectory.
 372         * src/Makefile.in: Regenerate.
 373         * src/c++26/Makefile.am: New file.
 374         * src/c++26/Makefile.in: New file.
 375         * src/c++26/text_encoding.cc: New file.
 376         * src/experimental/Makefile.am: Include c++26 convenience
 377         library.
 378         * src/experimental/Makefile.in: Regenerate.
 379         * python/libstdcxx/v6/printers.py (StdTextEncodingPrinter): New
 380         printer.
 381         * scripts/gen_text_encoding_data.py: New file.
 382         * testsuite/22_locale/locale/encoding.cc: New test.
 383         * testsuite/ext/unicode/charset_alias_match.cc: New test.
 384         * testsuite/std/text_encoding/cons.cc: New test.
 385         * testsuite/std/text_encoding/members.cc: New test.
 386         * testsuite/std/text_encoding/requirements.cc: New test.
 387
 388 2024-01-17  Jonathan Wakely  <jwakely@redhat.com>
 389
 390         * include/bits/unicode.h (_Grapheme_cluster_view): Require view.
 391         Do not use CTAD for _Utf32_view.
 392         (__format_width, __truncate): Do not use CTAD.
 393         (enable_borrowed_range<_Utf_view<T, R>>): Define specialization.
 394         (enable_borrowed_range<_Grapheme_cluster_view<R>>): Likewise.
 395
 396 2024-01-17  Patrick Palka  <ppalka@redhat.com>
 397
 398         * include/std/ranges (views::_CartesianProduct::operator()):
 399         Adjust identity case as per P2540R1.
 400         * testsuite/std/ranges/cartesian_product/1.cc (test01):
 401         Adjust expected result of the identity case.
 402
 403 2024-01-15  Patrick Palka  <ppalka@redhat.com>
 404
 405         * include/std/variant (__detail::__variant::_Variadic_union):
 406         Add bool __trivially_destructible template parameter.
 407         (__detail::__variant::_Variadic_union::~_Variadic_union):
 408         Use __trivially_destructible in constraints instead.
 409         (__detail::__variant::_Variant_storage): Pass
 410         __trivially_destructible value to _Variadic_union.
 411
 412 2024-01-15  Patrick Palka  <ppalka@redhat.com>
 413
 414         * include/bits/stl_iterator.h (const_iterator): Define conversion
 415         operators as per P2836R1.
 416         * include/bits/version.def (ranges_as_const): Update value.
 417         * include/bits/version.h: Regenerate.
 418         * testsuite/24_iterators/const_iterator/1.cc (test04): New test.
 419         * testsuite/std/ranges/adaptors/as_const/1.cc: Adjust expected
 420         value of __cpp_lib_ranges_as_const.
 421         * testsuite/std/ranges/version_c++23.cc: Likewise.
 422
 423 2024-01-15  Jonathan Wakely  <jwakely@redhat.com>
 424
 425         PR libstdc++/108822
 426         * include/std/tuple (__assignable, __is_nothrow_assignable):
 427         Move pre-C++20 definitions adjacent to their use.
 428
 429 2024-01-15  Jonathan Wakely  <jwakely@redhat.com>
 430
 431         PR testsuite/113366
 432         * include/std/format (basic_format_arg): Use __formattable
 433         variable template instead of __format::__formattable_with
 434         concept.
 435
 436 2024-01-15  Jonathan Wakely  <jwakely@redhat.com>
 437
 438         * src/c++20/tzdata.zi: Import new file from 2023d release.
 439         * src/c++20/tzdb.cc (tzdb_list::_Node::_S_read_leap_seconds)
 440         Update expiry date for leap seconds list.
 441
 442 2024-01-13  Jonathan Wakely  <jwakely@redhat.com>
 443
 444         PR libstdc++/108822
 445         * include/std/tuple (tuple): Add checks for dangling references.
 446         Reimplement constraints and constant expressions using C++20
 447         features.
 448         * include/std/type_traits [C++20]
 449         (__is_implicitly_default_constructible_v): Define.
 450         (__is_implicitly_default_constructible): Use variable template.
 451         * testsuite/20_util/tuple/dangling_ref.cc: New test.
 452
 453 2024-01-13  Patrick Palka  <ppalka@redhat.com>
 454
 455         PR libstdc++/108827
 456         PR libstdc++/111327
 457         * include/bits/version.def (bind_back): Define.
 458         * include/bits/version.h: Regenerate.
 459         * include/std/functional (_Bind_back): Define for C++23.
 460         (bind_back): Likewise.
 461         * testsuite/20_util/function_objects/bind_back/1.cc: New test
 462         (adapted from corresponding bind_front test).
 463         * testsuite/20_util/function_objects/bind_back/111327.cc: Likewise.
 464
 465 2024-01-13  Patrick Palka  <ppalka@redhat.com>
 466
 467         * include/std/functional (_Bind_front): Remove =default special
 468         member function declarations.
 469         (_Bind_front::operator()): Implement using C++23 deducing this
 470         when available.
 471         * testsuite/20_util/function_objects/bind_front/111327.cc:
 472         Adjust testcase to expect better errors in C++23 mode.
 473
 474 2024-01-13  Patrick Palka  <ppalka@redhat.com>
 475
 476         * include/std/ranges (views::__adaptor::operator|): Perform
 477         perfect forwarding of arguments.
 478         (views::__adaptor::_RangeAdaptor::operator()): Pass dummy
 479         first argument to _Partial.
 480         (views::__adaptor::_Partial::_Partial): Likewise.  Add dummy
 481         first parameter.
 482         (views::__adaptor::_Pipe::_Pipe): Perform perfect forwarding
 483         of arguments.
 484         (to): Pass dummy first argument to _Partial.
 485
 486 2024-01-13  Jonathan Wakely  <jwakely@redhat.com>
 487
 488         PR libstdc++/107466
 489         * include/bits/random.tcc (subtract_with_carry_engine::seed):
 490         Implement proposed resolution of LWG 4014.
 491         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error
 492         line number.
 493         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/lwg3809.cc:
 494         Check for expected result of 64-bit engine with seed that
 495         doesn't fit in 32-bits.
 496
 497 2024-01-12  Jonathan Wakely  <jwakely@redhat.com>
 498
 499         PR libstdc++/113320
 500         * include/std/format (__format::_Runtime_format_string): Add
 501         constructor and disable copy operations.
 502         (basic_format_string(_Runtime_format_string)): Add noexcept and
 503         take parameter by value not rvalue reference.
 504         (runtime_format): Add noexcept.
 505         * testsuite/std/format/runtime_format.cc: Check noexcept. Check
 506         that construction is only possible from prvalues, not xvalues.
 507
 508 2024-01-12  Jonathan Wakely  <jwakely@redhat.com>
 509
 510         PR libstdc++/105505
 511         * include/bits/stl_pair.h (pair::pair(U1&&, U2&&)) [C++23]: Add
 512         default template arguments, as per P1951R1.
 513         * testsuite/20_util/pair/cons/default_tmpl_args.cc: New test.
 514
 515 2024-01-12  Jonathan Wakely  <jwakely@redhat.com>
 516
 517         * include/std/format (__format::_Arg_store): Fix PR number in
 518         comment. Simplify preprocessor code.
 519
 520 2024-01-11  Jonathan Wakely  <jwakely@redhat.com>
 521
 522         * doc/xml/manual/evolution.xml: Fix spelling.
 523         * doc/html/manual/api.html: Regenerate.
 524
 525 2024-01-11  Jonathan Wakely  <jwakely@redhat.com>
 526
 527         * doc/xml/manual/evolution.xml: Document addition of
 528         libstdc++exp.a.
 529         * doc/html/*: Regenerate.
 530
 531 2024-01-11  Marcus Haehnel  <marcus.haehnel@kernkonzept.com>
 532
 533         * libsupc++/eh_unex_handler.cc: Adjust definition type to
 534         declaration.
 535
 536 2024-01-11  Michael Levine  <mlevine55@bloomberg.net>
 537
 538         * include/std/ranges (__glibcxx_want_ranges_iota): Remove
 539         duplicate definition.
 540
 541 2024-01-11  François Dumont  <fdumont@gcc.gnu.org>
 542
 543         PR libstdc++/112477
 544         * src/c++11/debug.cc
 545         (_Safe_iterator_base::_M_attach): Reset _M_version to 0 if attaching to null
 546         sequence.
 547         (_Safe_iterator_base::_M_attach_single): Likewise.
 548         (_Safe_local_iterator_base::_M_attach): Likewise.
 549         (_Safe_local_iterator_base::_M_attach_single): Likewise.
 550         * testsuite/23_containers/map/debug/112477.cc: New test case.
 551
 552 2024-01-11  Patrick Palka  <ppalka@redhat.com>
 553
 554         * include/bits/move.h (__like_t): Define in C++23 mode.
 555         * include/std/ranges (views::__adaptor::Partial::operator()):
 556         Implement using C++23 deducing this when available.
 557         (views::__adaptor::_Pipe::operator()): Likewise.
 558         * testsuite/std/ranges/adaptors/100577.cc: Adjust testcase to
 559         accept new "no match for call" errors issued in C++23 mode.
 560         * testsuite/std/ranges/adaptors/lazy_split_neg.cc: Likewise.
 561
 562 2024-01-11  Jonathan Wakely  <jwakely@redhat.com>
 563
 564         * python/libstdcxx/v6/printers.py (StdIntegralConstantPrinter):
 565         Add printer for std::integral_constant.
 566         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test it.
 567
 568 2024-01-11  Jonathan Wakely  <jwakely@redhat.com>
 569
 570         PR libstdc++/113258
 571         * libsupc++/new_opa.cc: Prefer to use posix_memalign if
 572         available.
 573
 574 2024-01-11  Ken Matsui  <kmatsui@gcc.gnu.org>
 575
 576         * src/filesystem/ops-common.h (stat_type): Use using.
 577
 578 2024-01-11  Ken Matsui  <kmatsui@gcc.gnu.org>
 579
 580         PR libstdc++/113250
 581         * src/c++17/fs_ops.cc (fs::equivalent): Use || instead of &&.
 582         * src/filesystem/ops.cc (fs::equivalent): Likewise.
 583         * testsuite/27_io/filesystem/operations/equivalent.cc: Handle
 584         error codes.
 585         * testsuite/experimental/filesystem/operations/equivalent.cc:
 586         Likewise.
 587
 588 2024-01-11  Ken Matsui  <kmatsui@gcc.gnu.org>
 589
 590         * include/std/type_traits (is_compound): Do not use __not_.
 591         (is_compound_v): Use is_fundamental_v instead.
 592
 593 2024-01-11  Patrick Palka  <ppalka@redhat.com>
 594
 595         * include/bits/utility.h (_Nth_type): Use
 596         _GLIBCXX_USE_BUILTIN_TRAIT instead of __has_builtin.
 597
 598 2024-01-09  Jonathan Wakely  <jwakely@redhat.com>
 599
 600         * include/bits/unicode-data.h: Regenerate.
 601         * include/bits/unicode.h (_Utf_iterator::operator++()): Fix off
 602         by one error.
 603         (__incb_property): Add missing check for values before the
 604         first edge.
 605         (__is_extended_pictographic): Invert return values to fix
 606         copy&pasted logic.
 607         (_Grapheme_cluster_view::_Iterator): Remove second iterator
 608         member and find end of cluster lazily.
 609         * testsuite/ext/unicode/grapheme_view.cc: New test.
 610         * testsuite/ext/unicode/properties.cc: New test.
 611         * testsuite/ext/unicode/view.cc: New test.
 612
 613 2024-01-09  Andreas Schwab  <schwab@linux-m68k.org>
 614
 615         * scripts/extract_symvers.in: Require final colon to only match
 616         .dsynsym in the header of the dynamic symtab.
 617
 618 2024-01-09  Jonathan Wakely  <jwakely@redhat.com>
 619
 620         * include/bits/chrono_io.h (__formatter_chrono::_M_F): Simplify
 621         handling of string returned from std::format.
 622         (__formatter_chrono::_M_R_T): Likewise.
 623
 624 2024-01-08  Jonathan Wakely  <jwakely@redhat.com>
 625
 626         * include/bits/unicode.h (__null_sentinel): Remove.
 627         * testsuite/17_intro/names.cc: Add __null_sentinel.
 628
 629 2024-01-08  Jonathan Wakely  <jwakely@redhat.com>
 630
 631         * include/std/format (__format::_Runtime_format_string): Define
 632         new class template.
 633         (basic_format_string): Add non-consteval constructor for runtime
 634         format strings.
 635         (runtime_format): Define new function for C++26.
 636         * testsuite/std/format/runtime_format.cc: New test.
 637
 638 2024-01-08  Jonathan Wakely  <jwakely@redhat.com>
 639
 640         * include/bits/chrono_io.h (__formatter_chrono): Always use
 641         lvalue arguments to make_format_args.
 642         * include/std/format (make_format_args): Change parameter pack
 643         from forwarding references to lvalue references. Remove use of
 644         remove_reference_t which is now unnecessary.
 645         (format_to, formatted_size): Remove incorrect forwarding of
 646         arguments.
 647         * include/std/ostream (print): Remove forwarding of arguments.
 648         * include/std/print (print): Likewise.
 649         * testsuite/20_util/duration/io.cc: Use lvalues as arguments to
 650         make_format_args.
 651         * testsuite/std/format/arguments/args.cc: Likewise.
 652         * testsuite/std/format/arguments/lwg3810.cc: Likewise.
 653         * testsuite/std/format/functions/format.cc: Likewise.
 654         * testsuite/std/format/functions/vformat_to.cc: Likewise.
 655         * testsuite/std/format/string.cc: Likewise.
 656         * testsuite/std/time/day/io.cc: Likewise.
 657         * testsuite/std/time/month/io.cc: Likewise.
 658         * testsuite/std/time/weekday/io.cc: Likewise.
 659         * testsuite/std/time/year/io.cc: Likewise.
 660         * testsuite/std/time/year_month_day/io.cc: Likewise.
 661         * testsuite/std/format/arguments/args_neg.cc: New test.
 662
 663 2024-01-08  Jonathan Wakely  <jwakely@redhat.com>
 664
 665         * include/Makefile.am: Add new headers.
 666         * include/Makefile.in: Regenerate.
 667         * include/bits/unicode.h: New file.
 668         * include/bits/unicode-data.h: New file.
 669         * include/std/format: Include <bits/unicode.h>.
 670         (__literal_encoding_is_utf8): Move to <bits/unicode.h>.
 671         (_Spec::_M_fill): Change type to char32_t.
 672         (_Spec::_M_parse_fill_and_align): Read a Unicode scalar value
 673         instead of a single character.
 674         (__write_padded): Change __fill_char parameter to char32_t and
 675         encode it into the output.
 676         (__formatter_str::format): Use new __unicode::__field_width and
 677         __unicode::__truncate functions.
 678         * include/std/ostream: Adjust namespace qualification for
 679         __literal_encoding_is_utf8.
 680         * include/std/print: Likewise.
 681         * src/c++23/print.cc: Add [[unlikely]] attribute to error path.
 682         * testsuite/ext/unicode/view.cc: New test.
 683         * testsuite/std/format/functions/format.cc: Add missing examples
 684         from the standard demonstrating alignment with non-ASCII
 685         characters. Add examples checking correct handling of extended
 686         grapheme clusters.
 687
 688 2024-01-08  Jonathan Wakely  <jwakely@redhat.com>
 689
 690         * include/bits/version.def (format_uchar): Define.
 691         * include/bits/version.h: Regenerate.
 692         * include/std/format (formatter<C, C>::format): Check for
 693         _Pres_c and call _M_format_character directly. Cast C to its
 694         unsigned equivalent for formatting as an integer.
 695         (formatter<char, wchar_t>::format): Likewise.
 696         (basic_format_arg(T&)): Store char arguments as unsigned char
 697         for formatting to a wide string.
 698         * testsuite/std/format/functions/format.cc: Adjust test. Check
 699         formatting of
 700
 701 2024-01-07  Jonathan Wakely  <jwakely@redhat.com>
 702
 703         PR libstdc++/112997
 704         * libsupc++/unwind-cxx.h (__cxa_call_terminate): Change first
 705         parameter to void*.
 706
 707 2024-01-07  Jonathan Wakely  <jwakely@redhat.com>
 708
 709         * testsuite/20_util/variant/87619.cc: Remove dg-timeout-factor.
 710
 711 2024-01-07  Jonathan Wakely  <jwakely@redhat.com>
 712
 713         * include/std/type_traits (is_trivially_destructible_v): Use
 714         built-in directly when concepts are supported.
 715         * testsuite/20_util/is_trivially_destructible/value_v.cc: New
 716         test.
 717
 718 2024-01-06  Gwenole Beauchesne  <gb.devel@gmail.com>
 719
 720         * testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Use
 721         nonnull arguments to strtoimax() and wcstoimax() functions.
 722
 723 2024-01-05  Jonathan Wakely  <jwakely@redhat.com>
 724
 725         * src/c++17/fs_path.cc (path::_List::reserve): Limit maximum
 726         size and check for overflows in arithmetic.
 727         (path::operator/=(const path&)): Remove redundant exponential
 728         growth calculation.
 729
 730 2024-01-05  Martin Küttler  <martin.kuettler@kernkonzept.com>
 731
 732         * src/c++17/fs_path.cc (path::_List::reserve): Avoid
 733         floating-point arithmetic.
 734
 735 2024-01-05  Jonathan Wakely  <jwakely@redhat.com>
 736
 737         PR libstdc++/113241
 738         * include/std/type_traits (is_convertible_v): Guard use of
 739         built-in with preprocessor check.
 740
 741 2024-01-05  Jonathan Wakely  <jwakely@redhat.com>
 742
 743         PR libstdc++/113200
 744         * include/bits/char_traits.h (__gnu_cxx::char_traits::move): Use
 745         __builtin_constant_p to check for unrelated pointers that cannot
 746         be compared during constant evaluation.
 747         * testsuite/21_strings/char_traits/requirements/113200.cc: New
 748         test.
 749
 750 2024-01-05  Cassio Neri  <cassio.neri@gmail.com>
 751
 752         * include/std/chrono: Fix + and - for months and weekdays.
 753         * testsuite/std/time/month/1.cc: Add constexpr tests against overflow.
 754         * testsuite/std/time/month/2.cc: New test for extreme values.
 755         * testsuite/std/time/weekday/1.cc: Add constexpr tests against overflow.
 756         * testsuite/std/time/weekday/2.cc: New test for extreme values.
 757
 758 2024-01-05  Jonathan Wakely  <jwakely@redhat.com>
 759
 760         PR libstdc++/113099
 761         * include/bits/locale_classes.tcc (__try_use_facet): Use
 762         if-constexpr for C++11 and up.
 763
 764 2024-01-05  Ken Matsui  <kmatsui@gcc.gnu.org>
 765
 766         * include/std/type_traits: Use _GLIBCXX_USE_BUILTIN_TRAIT.
 767
 768 2024-01-04  Arsen Arsenović  <arsen@aarsen.me>
 769
 770         * include/std/generator (_Subyield_state::_M_jump_in): Fix typo
 771         reported by Will Hawkins <hawkinsw@obs.cr>.
 772
 773 2024-01-04  Arsen Arsenović  <arsen@aarsen.me>
 774
 775         * include/std/generator (_Stateless_alloc): Rename typename _A
 776         to _All.
 777
 778 2024-01-03  Patrick Palka  <ppalka@redhat.com>
 779
 780         PR testsuite/113175
 781         * testsuite/std/ranges/iota/max_size_type.cc (test02): Reduce
 782         'limit' to 100 from 1000 and adjust 'log2_limit' accordingly.
 783         (test03): Likewise.
 784
 785 \f
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 788 Copying and distribution of this file, with or without modification,
 789 are permitted in any medium without royalty provided the copyright
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