libstdc++-v3/ChangeLog

   1 2024-01-31  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         * acinclude.m4 (GLIBCXX_CHECK_TEXT_ENCODING): Use <xlocale.h> if
   4         needed for newlocale.
   5         * configure: Regenerate.
   6         * src/c++26/text_encoding.cc: Use <xlocale.h>.
   7
   8 2024-01-31  Jonathan Wakely  <jwakely@redhat.com>
   9             Ewan Higgs  <ewan.higgs@gmail.com>
  10
  11         * include/bits/text_encoding-data.h: Regenerate.
  12         * scripts/gen_text_encoding_data.py: Add extra_aliases dict
  13         containing "ASCII".
  14         * testsuite/std/text_encoding/cons.cc: Check "ascii" is known.
  15
  16 2024-01-31  Jonathan Wakely  <jwakely@redhat.com>
  17
  18         * doc/xml/manual/using.xml: Update tables of supported headers.
  19         * doc/html/*: Regenerate.
  20
  21 2024-01-31  Jonathan Wakely  <jwakely@redhat.com>
  22
  23         * include/std/bitset (_Base_bitset::_M_do_to_ullong): Avoid
  24         -Wshift-count-overflow warning.
  25
  26 2024-01-30  Jonathan Wakely  <jwakely@redhat.com>
  27
  28         * testsuite/std/time/clock/gps/io.cc: Fix expected result in
  29         assertion and call test_format() from main.
  30
  31 2024-01-29  François Dumont  <fdumont@gcc.gnu.org>
  32
  33         * doc/xml/manual/debug_mode.xml: Link against libstdc++exp.a to use
  34         _GLIBCXX_DEBUG_BACKTRACE macro.
  35
  36 2024-01-24  Huanghui Nie  <nnnjkk@gmail.com>
  37             Théo Papadopoulo   <papadopoulo@gmail.com>
  38
  39         * include/bits/hashtable.h (_Hahstable<>::_M_remove_bucket_begin): Remove
  40         _M_before_begin check and cleanup implementation.
  41
  42 2024-01-22  Jonathan Wakely  <jwakely@redhat.com>
  43
  44         * testsuite/std/time/clock/file/io.cc: Fix expected result in
  45         assertion and call test_format() from main.
  46
  47 2024-01-21  Jonathan Wakely  <jwakely@redhat.com>
  48
  49         PR libstdc++/113500
  50         * include/bits/chrono_io.h (__formatter_chrono::_M_S): Fix
  51         printing of subseconds with floating-point rep.
  52         (__formatter_chrono::_M_format_to_ostream): Do not write
  53         time_point specializations directly to the ostream.
  54         (formatter<chrono::sys_time<D>, C>::parse): Do not allow an
  55         empty chrono-spec if the type fails to meet the constraints for
  56         writing to an ostream with operator<<.
  57         * testsuite/std/time/clock/file/io.cc: Check formatting
  58         non-integral times with empty chrono-specs.
  59         * testsuite/std/time/clock/gps/io.cc: Likewise.
  60         * testsuite/std/time/clock/utc/io.cc: Likewise.
  61         * testsuite/std/time/hh_mm_ss/io.cc: Likewise.
  62
  63 2024-01-21  Jonathan Wakely  <jwakely@redhat.com>
  64
  65         * include/bits/chrono.h (__file_clock::from_sys)
  66         (__file_clock::to_sys, __file_clock::_S_from_sys)
  67         (__file_clock::_S_to_sys): Use common_type for return type.
  68         * testsuite/std/time/clock/file/members.cc: Check round trip
  69         conversion for time with lower precision that seconds.
  70
  71 2024-01-21  Jonathan Wakely  <jwakely@redhat.com>
  72
  73         PR libstdc++/113512
  74         * include/std/format (__formatter_fp::format): Fix logic for
  75         alternate forms.
  76         * testsuite/std/format/functions/format.cc: Check buggy cases of
  77         alternate forms with g presentation type.
  78
  79 2024-01-20  Marek Polacek  <polacek@redhat.com>
  80
  81         PR c++/111410
  82         * include/std/ranges: Add #pragma to disable -Wdangling-reference with
  83         std::ranges::views::__adaptor::operator|.
  84
  85 2024-01-19  Jonathan Wakely  <jwakely@redhat.com>
  86
  87         * include/std/format (_Spec::_M_parse_fill_and_align): Do not
  88         use CTAD for _Utf32_view.
  89
  90 2024-01-19  Jonathan Wakely  <jwakely@redhat.com>
  91
  92         PR libstdc++/108822
  93         * include/std/tuple (__glibcxx_no_dangling_refs) [C++17]: Fix
  94         wrong fold-operator.
  95         * testsuite/20_util/tuple/dangling_ref.cc: Check tuples with one
  96         element and three elements. Check allocator-extended
  97         constructors.
  98
  99 2024-01-19  Patrick Palka  <ppalka@redhat.com>
 100
 101         * include/precompiled/stdc++.h [_GLIBCXX_HOSTED]: Include
 102         <print> and <text_encoding> for C++23 and C++26 respectively.
 103
 104 2024-01-18  Patrick Palka  <ppalka@redhat.com>
 105
 106         * include/bits/stl_pair.h [__cplusplus > 202002L]:
 107         Guard P2321R2 changes with __glibcxx_ranges_zip instead.
 108
 109 2024-01-18  Patrick Palka  <ppalka@redhat.com>
 110
 111         * include/std/tuple [__cplusplus > 202002L]: Guard P2321R2
 112         changes with __cpp_lib_ranges_zip instead.
 113
 114 2024-01-18  Patrick Palka  <ppalka@redhat.com>
 115
 116         PR libstdc++/109536
 117         * include/debug/safe_base.h (_Safe_sequence_base::_M_swap):
 118         Remove _GLIBCXX20_CONSTEXPR from non-inline member function.
 119         * include/debug/safe_iterator.h
 120         (_GLIBCXX20_CONSTEXPR_NON_LITERAL_SCOPE_BEGIN): Define.
 121         (_GLIBCXX20_CONSTEXPR_NON_LITERAL_SCOPE_END): Define.
 122         (_Safe_iterator::operator=): Use them around the code path that
 123         defines a variable of type __gnu_cxx::__scoped_lock.
 124         (_Safe_iterator::operator++): Likewise.
 125         (_Safe_iterator::operator--): Likewise.
 126         (_Safe_iterator::operator+=): Likewise.
 127         (_Safe_iterator::operator-=): Likewise.
 128         * testsuite/23_containers/vector/element_access/constexpr.cc
 129         (test_iterators): Test more iterator operations.
 130         * testsuite/23_containers/vector/bool/element_access/constexpr.cc
 131         (test_iterators): Likewise.
 132         * testsuite/std/ranges/adaptors/all.cc (test08) [_GLIBCXX_DEBUG]:
 133         Remove.
 134
 135 2024-01-18  Jonathan Wakely  <jwakely@redhat.com>
 136
 137         * include/bits/unicode.h (__charset_alias_match): Initialize
 138         __var_a and __var_b.
 139
 140 2024-01-18  Jonathan Wakely  <jwakely@redhat.com>
 141
 142         PR libstdc++/113450
 143         * testsuite/std/format/functions/format.cc: Use signed char
 144         instead of int8_t.
 145
 146 2024-01-17  Jonathan Wakely  <jwakely@redhat.com>
 147
 148         PR libstdc++/113318
 149         * acinclude.m4 (GLIBCXX_CONFIGURE): Add c++26 directory.
 150         (GLIBCXX_CHECK_TEXT_ENCODING): Define.
 151         * config.h.in: Regenerate.
 152         * configure: Regenerate.
 153         * configure.ac: Use GLIBCXX_CHECK_TEXT_ENCODING.
 154         * include/Makefile.am: Add new headers.
 155         * include/Makefile.in: Regenerate.
 156         * include/bits/locale_classes.h (locale::encoding): Declare new
 157         member function.
 158         * include/bits/unicode.h (__charset_alias_match): New function.
 159         * include/bits/text_encoding-data.h: New file.
 160         * include/bits/version.def (text_encoding): Define.
 161         * include/bits/version.h: Regenerate.
 162         * include/std/text_encoding: New file.
 163         * src/Makefile.am: Add new subdirectory.
 164         * src/Makefile.in: Regenerate.
 165         * src/c++26/Makefile.am: New file.
 166         * src/c++26/Makefile.in: New file.
 167         * src/c++26/text_encoding.cc: New file.
 168         * src/experimental/Makefile.am: Include c++26 convenience
 169         library.
 170         * src/experimental/Makefile.in: Regenerate.
 171         * python/libstdcxx/v6/printers.py (StdTextEncodingPrinter): New
 172         printer.
 173         * scripts/gen_text_encoding_data.py: New file.
 174         * testsuite/22_locale/locale/encoding.cc: New test.
 175         * testsuite/ext/unicode/charset_alias_match.cc: New test.
 176         * testsuite/std/text_encoding/cons.cc: New test.
 177         * testsuite/std/text_encoding/members.cc: New test.
 178         * testsuite/std/text_encoding/requirements.cc: New test.
 179
 180 2024-01-17  Jonathan Wakely  <jwakely@redhat.com>
 181
 182         * include/bits/unicode.h (_Grapheme_cluster_view): Require view.
 183         Do not use CTAD for _Utf32_view.
 184         (__format_width, __truncate): Do not use CTAD.
 185         (enable_borrowed_range<_Utf_view<T, R>>): Define specialization.
 186         (enable_borrowed_range<_Grapheme_cluster_view<R>>): Likewise.
 187
 188 2024-01-17  Patrick Palka  <ppalka@redhat.com>
 189
 190         * include/std/ranges (views::_CartesianProduct::operator()):
 191         Adjust identity case as per P2540R1.
 192         * testsuite/std/ranges/cartesian_product/1.cc (test01):
 193         Adjust expected result of the identity case.
 194
 195 2024-01-15  Patrick Palka  <ppalka@redhat.com>
 196
 197         * include/std/variant (__detail::__variant::_Variadic_union):
 198         Add bool __trivially_destructible template parameter.
 199         (__detail::__variant::_Variadic_union::~_Variadic_union):
 200         Use __trivially_destructible in constraints instead.
 201         (__detail::__variant::_Variant_storage): Pass
 202         __trivially_destructible value to _Variadic_union.
 203
 204 2024-01-15  Patrick Palka  <ppalka@redhat.com>
 205
 206         * include/bits/stl_iterator.h (const_iterator): Define conversion
 207         operators as per P2836R1.
 208         * include/bits/version.def (ranges_as_const): Update value.
 209         * include/bits/version.h: Regenerate.
 210         * testsuite/24_iterators/const_iterator/1.cc (test04): New test.
 211         * testsuite/std/ranges/adaptors/as_const/1.cc: Adjust expected
 212         value of __cpp_lib_ranges_as_const.
 213         * testsuite/std/ranges/version_c++23.cc: Likewise.
 214
 215 2024-01-15  Jonathan Wakely  <jwakely@redhat.com>
 216
 217         PR libstdc++/108822
 218         * include/std/tuple (__assignable, __is_nothrow_assignable):
 219         Move pre-C++20 definitions adjacent to their use.
 220
 221 2024-01-15  Jonathan Wakely  <jwakely@redhat.com>
 222
 223         PR testsuite/113366
 224         * include/std/format (basic_format_arg): Use __formattable
 225         variable template instead of __format::__formattable_with
 226         concept.
 227
 228 2024-01-15  Jonathan Wakely  <jwakely@redhat.com>
 229
 230         * src/c++20/tzdata.zi: Import new file from 2023d release.
 231         * src/c++20/tzdb.cc (tzdb_list::_Node::_S_read_leap_seconds)
 232         Update expiry date for leap seconds list.
 233
 234 2024-01-13  Jonathan Wakely  <jwakely@redhat.com>
 235
 236         PR libstdc++/108822
 237         * include/std/tuple (tuple): Add checks for dangling references.
 238         Reimplement constraints and constant expressions using C++20
 239         features.
 240         * include/std/type_traits [C++20]
 241         (__is_implicitly_default_constructible_v): Define.
 242         (__is_implicitly_default_constructible): Use variable template.
 243         * testsuite/20_util/tuple/dangling_ref.cc: New test.
 244
 245 2024-01-13  Patrick Palka  <ppalka@redhat.com>
 246
 247         PR libstdc++/108827
 248         PR libstdc++/111327
 249         * include/bits/version.def (bind_back): Define.
 250         * include/bits/version.h: Regenerate.
 251         * include/std/functional (_Bind_back): Define for C++23.
 252         (bind_back): Likewise.
 253         * testsuite/20_util/function_objects/bind_back/1.cc: New test
 254         (adapted from corresponding bind_front test).
 255         * testsuite/20_util/function_objects/bind_back/111327.cc: Likewise.
 256
 257 2024-01-13  Patrick Palka  <ppalka@redhat.com>
 258
 259         * include/std/functional (_Bind_front): Remove =default special
 260         member function declarations.
 261         (_Bind_front::operator()): Implement using C++23 deducing this
 262         when available.
 263         * testsuite/20_util/function_objects/bind_front/111327.cc:
 264         Adjust testcase to expect better errors in C++23 mode.
 265
 266 2024-01-13  Patrick Palka  <ppalka@redhat.com>
 267
 268         * include/std/ranges (views::__adaptor::operator|): Perform
 269         perfect forwarding of arguments.
 270         (views::__adaptor::_RangeAdaptor::operator()): Pass dummy
 271         first argument to _Partial.
 272         (views::__adaptor::_Partial::_Partial): Likewise.  Add dummy
 273         first parameter.
 274         (views::__adaptor::_Pipe::_Pipe): Perform perfect forwarding
 275         of arguments.
 276         (to): Pass dummy first argument to _Partial.
 277
 278 2024-01-13  Jonathan Wakely  <jwakely@redhat.com>
 279
 280         PR libstdc++/107466
 281         * include/bits/random.tcc (subtract_with_carry_engine::seed):
 282         Implement proposed resolution of LWG 4014.
 283         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error
 284         line number.
 285         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/lwg3809.cc:
 286         Check for expected result of 64-bit engine with seed that
 287         doesn't fit in 32-bits.
 288
 289 2024-01-12  Jonathan Wakely  <jwakely@redhat.com>
 290
 291         PR libstdc++/113320
 292         * include/std/format (__format::_Runtime_format_string): Add
 293         constructor and disable copy operations.
 294         (basic_format_string(_Runtime_format_string)): Add noexcept and
 295         take parameter by value not rvalue reference.
 296         (runtime_format): Add noexcept.
 297         * testsuite/std/format/runtime_format.cc: Check noexcept. Check
 298         that construction is only possible from prvalues, not xvalues.
 299
 300 2024-01-12  Jonathan Wakely  <jwakely@redhat.com>
 301
 302         PR libstdc++/105505
 303         * include/bits/stl_pair.h (pair::pair(U1&&, U2&&)) [C++23]: Add
 304         default template arguments, as per P1951R1.
 305         * testsuite/20_util/pair/cons/default_tmpl_args.cc: New test.
 306
 307 2024-01-12  Jonathan Wakely  <jwakely@redhat.com>
 308
 309         * include/std/format (__format::_Arg_store): Fix PR number in
 310         comment. Simplify preprocessor code.
 311
 312 2024-01-11  Jonathan Wakely  <jwakely@redhat.com>
 313
 314         * doc/xml/manual/evolution.xml: Fix spelling.
 315         * doc/html/manual/api.html: Regenerate.
 316
 317 2024-01-11  Jonathan Wakely  <jwakely@redhat.com>
 318
 319         * doc/xml/manual/evolution.xml: Document addition of
 320         libstdc++exp.a.
 321         * doc/html/*: Regenerate.
 322
 323 2024-01-11  Marcus Haehnel  <marcus.haehnel@kernkonzept.com>
 324
 325         * libsupc++/eh_unex_handler.cc: Adjust definition type to
 326         declaration.
 327
 328 2024-01-11  Michael Levine  <mlevine55@bloomberg.net>
 329
 330         * include/std/ranges (__glibcxx_want_ranges_iota): Remove
 331         duplicate definition.
 332
 333 2024-01-11  François Dumont  <fdumont@gcc.gnu.org>
 334
 335         PR libstdc++/112477
 336         * src/c++11/debug.cc
 337         (_Safe_iterator_base::_M_attach): Reset _M_version to 0 if attaching to null
 338         sequence.
 339         (_Safe_iterator_base::_M_attach_single): Likewise.
 340         (_Safe_local_iterator_base::_M_attach): Likewise.
 341         (_Safe_local_iterator_base::_M_attach_single): Likewise.
 342         * testsuite/23_containers/map/debug/112477.cc: New test case.
 343
 344 2024-01-11  Patrick Palka  <ppalka@redhat.com>
 345
 346         * include/bits/move.h (__like_t): Define in C++23 mode.
 347         * include/std/ranges (views::__adaptor::Partial::operator()):
 348         Implement using C++23 deducing this when available.
 349         (views::__adaptor::_Pipe::operator()): Likewise.
 350         * testsuite/std/ranges/adaptors/100577.cc: Adjust testcase to
 351         accept new "no match for call" errors issued in C++23 mode.
 352         * testsuite/std/ranges/adaptors/lazy_split_neg.cc: Likewise.
 353
 354 2024-01-11  Jonathan Wakely  <jwakely@redhat.com>
 355
 356         * python/libstdcxx/v6/printers.py (StdIntegralConstantPrinter):
 357         Add printer for std::integral_constant.
 358         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test it.
 359
 360 2024-01-11  Jonathan Wakely  <jwakely@redhat.com>
 361
 362         PR libstdc++/113258
 363         * libsupc++/new_opa.cc: Prefer to use posix_memalign if
 364         available.
 365
 366 2024-01-11  Ken Matsui  <kmatsui@gcc.gnu.org>
 367
 368         * src/filesystem/ops-common.h (stat_type): Use using.
 369
 370 2024-01-11  Ken Matsui  <kmatsui@gcc.gnu.org>
 371
 372         PR libstdc++/113250
 373         * src/c++17/fs_ops.cc (fs::equivalent): Use || instead of &&.
 374         * src/filesystem/ops.cc (fs::equivalent): Likewise.
 375         * testsuite/27_io/filesystem/operations/equivalent.cc: Handle
 376         error codes.
 377         * testsuite/experimental/filesystem/operations/equivalent.cc:
 378         Likewise.
 379
 380 2024-01-11  Ken Matsui  <kmatsui@gcc.gnu.org>
 381
 382         * include/std/type_traits (is_compound): Do not use __not_.
 383         (is_compound_v): Use is_fundamental_v instead.
 384
 385 2024-01-11  Patrick Palka  <ppalka@redhat.com>
 386
 387         * include/bits/utility.h (_Nth_type): Use
 388         _GLIBCXX_USE_BUILTIN_TRAIT instead of __has_builtin.
 389
 390 2024-01-09  Jonathan Wakely  <jwakely@redhat.com>
 391
 392         * include/bits/unicode-data.h: Regenerate.
 393         * include/bits/unicode.h (_Utf_iterator::operator++()): Fix off
 394         by one error.
 395         (__incb_property): Add missing check for values before the
 396         first edge.
 397         (__is_extended_pictographic): Invert return values to fix
 398         copy&pasted logic.
 399         (_Grapheme_cluster_view::_Iterator): Remove second iterator
 400         member and find end of cluster lazily.
 401         * testsuite/ext/unicode/grapheme_view.cc: New test.
 402         * testsuite/ext/unicode/properties.cc: New test.
 403         * testsuite/ext/unicode/view.cc: New test.
 404
 405 2024-01-09  Andreas Schwab  <schwab@linux-m68k.org>
 406
 407         * scripts/extract_symvers.in: Require final colon to only match
 408         .dsynsym in the header of the dynamic symtab.
 409
 410 2024-01-09  Jonathan Wakely  <jwakely@redhat.com>
 411
 412         * include/bits/chrono_io.h (__formatter_chrono::_M_F): Simplify
 413         handling of string returned from std::format.
 414         (__formatter_chrono::_M_R_T): Likewise.
 415
 416 2024-01-08  Jonathan Wakely  <jwakely@redhat.com>
 417
 418         * include/bits/unicode.h (__null_sentinel): Remove.
 419         * testsuite/17_intro/names.cc: Add __null_sentinel.
 420
 421 2024-01-08  Jonathan Wakely  <jwakely@redhat.com>
 422
 423         * include/std/format (__format::_Runtime_format_string): Define
 424         new class template.
 425         (basic_format_string): Add non-consteval constructor for runtime
 426         format strings.
 427         (runtime_format): Define new function for C++26.
 428         * testsuite/std/format/runtime_format.cc: New test.
 429
 430 2024-01-08  Jonathan Wakely  <jwakely@redhat.com>
 431
 432         * include/bits/chrono_io.h (__formatter_chrono): Always use
 433         lvalue arguments to make_format_args.
 434         * include/std/format (make_format_args): Change parameter pack
 435         from forwarding references to lvalue references. Remove use of
 436         remove_reference_t which is now unnecessary.
 437         (format_to, formatted_size): Remove incorrect forwarding of
 438         arguments.
 439         * include/std/ostream (print): Remove forwarding of arguments.
 440         * include/std/print (print): Likewise.
 441         * testsuite/20_util/duration/io.cc: Use lvalues as arguments to
 442         make_format_args.
 443         * testsuite/std/format/arguments/args.cc: Likewise.
 444         * testsuite/std/format/arguments/lwg3810.cc: Likewise.
 445         * testsuite/std/format/functions/format.cc: Likewise.
 446         * testsuite/std/format/functions/vformat_to.cc: Likewise.
 447         * testsuite/std/format/string.cc: Likewise.
 448         * testsuite/std/time/day/io.cc: Likewise.
 449         * testsuite/std/time/month/io.cc: Likewise.
 450         * testsuite/std/time/weekday/io.cc: Likewise.
 451         * testsuite/std/time/year/io.cc: Likewise.
 452         * testsuite/std/time/year_month_day/io.cc: Likewise.
 453         * testsuite/std/format/arguments/args_neg.cc: New test.
 454
 455 2024-01-08  Jonathan Wakely  <jwakely@redhat.com>
 456
 457         * include/Makefile.am: Add new headers.
 458         * include/Makefile.in: Regenerate.
 459         * include/bits/unicode.h: New file.
 460         * include/bits/unicode-data.h: New file.
 461         * include/std/format: Include <bits/unicode.h>.
 462         (__literal_encoding_is_utf8): Move to <bits/unicode.h>.
 463         (_Spec::_M_fill): Change type to char32_t.
 464         (_Spec::_M_parse_fill_and_align): Read a Unicode scalar value
 465         instead of a single character.
 466         (__write_padded): Change __fill_char parameter to char32_t and
 467         encode it into the output.
 468         (__formatter_str::format): Use new __unicode::__field_width and
 469         __unicode::__truncate functions.
 470         * include/std/ostream: Adjust namespace qualification for
 471         __literal_encoding_is_utf8.
 472         * include/std/print: Likewise.
 473         * src/c++23/print.cc: Add [[unlikely]] attribute to error path.
 474         * testsuite/ext/unicode/view.cc: New test.
 475         * testsuite/std/format/functions/format.cc: Add missing examples
 476         from the standard demonstrating alignment with non-ASCII
 477         characters. Add examples checking correct handling of extended
 478         grapheme clusters.
 479
 480 2024-01-08  Jonathan Wakely  <jwakely@redhat.com>
 481
 482         * include/bits/version.def (format_uchar): Define.
 483         * include/bits/version.h: Regenerate.
 484         * include/std/format (formatter<C, C>::format): Check for
 485         _Pres_c and call _M_format_character directly. Cast C to its
 486         unsigned equivalent for formatting as an integer.
 487         (formatter<char, wchar_t>::format): Likewise.
 488         (basic_format_arg(T&)): Store char arguments as unsigned char
 489         for formatting to a wide string.
 490         * testsuite/std/format/functions/format.cc: Adjust test. Check
 491         formatting of
 492
 493 2024-01-07  Jonathan Wakely  <jwakely@redhat.com>
 494
 495         PR libstdc++/112997
 496         * libsupc++/unwind-cxx.h (__cxa_call_terminate): Change first
 497         parameter to void*.
 498
 499 2024-01-07  Jonathan Wakely  <jwakely@redhat.com>
 500
 501         * testsuite/20_util/variant/87619.cc: Remove dg-timeout-factor.
 502
 503 2024-01-07  Jonathan Wakely  <jwakely@redhat.com>
 504
 505         * include/std/type_traits (is_trivially_destructible_v): Use
 506         built-in directly when concepts are supported.
 507         * testsuite/20_util/is_trivially_destructible/value_v.cc: New
 508         test.
 509
 510 2024-01-06  Gwenole Beauchesne  <gb.devel@gmail.com>
 511
 512         * testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Use
 513         nonnull arguments to strtoimax() and wcstoimax() functions.
 514
 515 2024-01-05  Jonathan Wakely  <jwakely@redhat.com>
 516
 517         * src/c++17/fs_path.cc (path::_List::reserve): Limit maximum
 518         size and check for overflows in arithmetic.
 519         (path::operator/=(const path&)): Remove redundant exponential
 520         growth calculation.
 521
 522 2024-01-05  Martin Küttler  <martin.kuettler@kernkonzept.com>
 523
 524         * src/c++17/fs_path.cc (path::_List::reserve): Avoid
 525         floating-point arithmetic.
 526
 527 2024-01-05  Jonathan Wakely  <jwakely@redhat.com>
 528
 529         PR libstdc++/113241
 530         * include/std/type_traits (is_convertible_v): Guard use of
 531         built-in with preprocessor check.
 532
 533 2024-01-05  Jonathan Wakely  <jwakely@redhat.com>
 534
 535         PR libstdc++/113200
 536         * include/bits/char_traits.h (__gnu_cxx::char_traits::move): Use
 537         __builtin_constant_p to check for unrelated pointers that cannot
 538         be compared during constant evaluation.
 539         * testsuite/21_strings/char_traits/requirements/113200.cc: New
 540         test.
 541
 542 2024-01-05  Cassio Neri  <cassio.neri@gmail.com>
 543
 544         * include/std/chrono: Fix + and - for months and weekdays.
 545         * testsuite/std/time/month/1.cc: Add constexpr tests against overflow.
 546         * testsuite/std/time/month/2.cc: New test for extreme values.
 547         * testsuite/std/time/weekday/1.cc: Add constexpr tests against overflow.
 548         * testsuite/std/time/weekday/2.cc: New test for extreme values.
 549
 550 2024-01-05  Jonathan Wakely  <jwakely@redhat.com>
 551
 552         PR libstdc++/113099
 553         * include/bits/locale_classes.tcc (__try_use_facet): Use
 554         if-constexpr for C++11 and up.
 555
 556 2024-01-05  Ken Matsui  <kmatsui@gcc.gnu.org>
 557
 558         * include/std/type_traits: Use _GLIBCXX_USE_BUILTIN_TRAIT.
 559
 560 2024-01-04  Arsen Arsenović  <arsen@aarsen.me>
 561
 562         * include/std/generator (_Subyield_state::_M_jump_in): Fix typo
 563         reported by Will Hawkins <hawkinsw@obs.cr>.
 564
 565 2024-01-04  Arsen Arsenović  <arsen@aarsen.me>
 566
 567         * include/std/generator (_Stateless_alloc): Rename typename _A
 568         to _All.
 569
 570 2024-01-03  Patrick Palka  <ppalka@redhat.com>
 571
 572         PR testsuite/113175
 573         * testsuite/std/ranges/iota/max_size_type.cc (test02): Reduce
 574         'limit' to 100 from 1000 and adjust 'log2_limit' accordingly.
 575         (test03): Likewise.
 576
 577 \f
 578 Copyright (C) 2024 Free Software Foundation, Inc.
 579
 580 Copying and distribution of this file, with or without modification,
 581 are permitted in any medium without royalty provided the copyright
 582 notice and this notice are preserved.