ChangeLog revision 1.1.1.25
1 2025-07-11 Release Manager 2 3 * GCC 12.5.0 released. 4 5 2025-07-07 Iain Sandoe <iain (a] sandoe.co.uk> 6 7 Backported from master: 8 2023-07-03 Iain Sandoe <iain (a] sandoe.co.uk> 9 10 * testsuite/lib/libstdc++.exp: Remove additional flag handled 11 by Darwin specs. 12 13 2025-06-11 Jonathan Wakely <jwakely (a] redhat.com> 14 15 Backported from master: 16 2024-10-16 Jonathan Wakely <jwakely (a] redhat.com> 17 18 * python/libstdcxx/v6/printers.py (strip_fundts_namespace): New. 19 (StdExpAnyPrinter, StdExpOptionalPrinter): Use it. 20 21 2025-06-11 Jonathan Wakely <jwakely (a] redhat.com> 22 23 Backported from master: 24 2025-06-04 Jonathan Wakely <jwakely (a] redhat.com> 25 26 PR libstdc++/99832 27 * include/bits/chrono.h (system_clock::to_time_t): Add 28 always_inline attribute to be agnostic to the underlying type of 29 time_t. 30 (system_clock::from_time_t): Add always_inline for consistency 31 with to_time_t. 32 * testsuite/20_util/system_clock/99832.cc: New test. 33 34 2025-06-11 Jonathan Wakely <jwakely (a] redhat.com> 35 36 Backported from master: 37 2025-05-20 Jonathan Wakely <jwakely (a] redhat.com> 38 39 * doc/xml/faq.xml: Update URL for archived SGI STL docs. 40 * doc/xml/manual/containers.xml: Likewise. 41 * doc/xml/manual/extensions.xml: Likewise. 42 * doc/xml/manual/using.xml: Likewise. 43 * doc/xml/manual/utilities.xml: Likewise. 44 * doc/html/*: Regenerate. 45 46 2025-04-17 Jonathan Wakely <jwakely (a] redhat.com> 47 48 Backported from master: 49 2023-06-26 Jonathan Wakely <jwakely (a] redhat.com> 50 51 * include/debug/helper_functions.h (__get_distance) 52 (__check_singular, __valid_range_aux, __valid_range): Qualify 53 calls to disable ADL. 54 (__check_singular_aux(const _Safe_iterator_base*)): Declare 55 overload that was previously found via ADL. 56 57 2025-04-17 Jonathan Wakely <jwakely (a] redhat.com> 58 59 Backported from master: 60 2024-04-15 Jonathan Wakely <jwakely (a] redhat.com> 61 62 PR libstdc++/93672 63 * src/c++98/istream.cc (istream::ignore(streamsize, int_type)): 64 Treat all negative delimiter values as eof(). 65 * testsuite/27_io/basic_istream/ignore/char/93672.cc: New test. 66 * testsuite/27_io/basic_istream/ignore/wchar_t/93672.cc: New 67 test. 68 69 2025-04-17 Jonathan Wakely <jwakely (a] redhat.com> 70 71 Backported from master: 72 2025-03-28 Jonathan Wakely <jwakely (a] redhat.com> 73 74 PR libstdc++/117983 75 * include/bits/vector.tcc (vector::_M_range_insert): Add 76 unreachable condition to tell the compiler begin() <= end(). 77 * testsuite/23_containers/vector/modifiers/insert/117983.cc: New 78 test. 79 80 2025-04-17 Jonathan Wakely <jwakely (a] redhat.com> 81 82 Backported from master: 83 2024-12-17 Jonathan Wakely <jwakely (a] redhat.com> 84 85 PR libstdc++/118035 86 * include/bits/deque.tcc (_M_range_insert_aux): Return 87 immediately if inserting an empty range. 88 * testsuite/23_containers/deque/modifiers/insert/118035.cc: New 89 test. 90 91 2025-04-16 Jonathan Wakely <jwakely (a] redhat.com> 92 93 Backported from master: 94 2025-04-16 Jonathan Wakely <jwakely (a] redhat.com> 95 96 * testsuite/20_util/integer_sequence/112473.cc: Compile with 97 -std=gnu++20. 98 * testsuite/21_strings/char_traits/requirements/113200.cc: 99 Likewise. 100 * testsuite/23_containers/array/comparison_operators/106212.cc: 101 Likewise. 102 * testsuite/23_containers/span/117966.cc: Likewise. 103 * testsuite/23_containers/vector/cons/113841.cc: Compile with 104 -std=gnu++20. 105 * testsuite/24_iterators/move_iterator/lwg3736.cc: Likewise. 106 * testsuite/25_algorithms/lexicographical_compare_three_way/113960.cc: 107 Likewise. 108 * testsuite/27_io/filesystem/iterators/lwg3480.cc: Likewise. 109 * testsuite/29_atomics/headers/stdatomic.h/115807.cc: Compile 110 with -std=gnu++23. 111 * testsuite/std/ranges/subrange/lwg3589.cc: Likewise. 112 * testsuite/std/time/month/2.cc: Likewise. 113 * testsuite/std/time/weekday/2.cc: Likewise. 114 115 2025-04-16 Jonathan Wakely <jwakely (a] redhat.com> 116 117 Backported from master: 118 2024-11-14 Jonathan Wakely <jwakely (a] redhat.com> 119 120 * include/bits/ranges_util.h (subrange::begin): Fix constraint, 121 as per LWG 3589. 122 * testsuite/std/ranges/subrange/lwg3589.cc: New test. 123 124 2025-04-16 Jonathan Wakely <jwakely (a] redhat.com> 125 126 Backported from master: 127 2024-12-11 Jonathan Wakely <jwakely (a] redhat.com> 128 129 PR libstdc++/106212 130 * include/std/array (operator==): Use std::__equal_aux1 instead 131 of std::equal. 132 * testsuite/23_containers/array/comparison_operators/106212.cc: 133 New test. 134 135 2025-04-16 Jonathan Wakely <jwakely (a] redhat.com> 136 137 Backported from master: 138 2024-12-11 Jonathan Wakely <jwakely (a] redhat.com> 139 140 PR libstdc++/117966 141 * include/std/span (span(T (&)[N])): Do not delegate to 142 constructor that performs redundant checks. 143 (span(array<T, N>&), span(const array<T, N>&)): Likewise. 144 (span(Range&&), span(const span<T, N>&)): Likewise. 145 * testsuite/23_containers/span/117966.cc: New test. 146 147 2025-04-16 Jonathan Wakely <jwakely (a] redhat.com> 148 149 Backported from master: 150 2024-03-22 Jonathan Wakely <jwakely (a] redhat.com> 151 152 PR libstdc++/113841 153 * include/bits/allocator.h (allocator<cv T>): Add default 154 constructor to partial specializations for cv-qualified types. 155 * include/bits/stl_vector.h (_Vector_impl::_Vector_impl()): 156 Constrain so that it's only present if the allocator is default 157 constructible. 158 * include/bits/stl_bvector.h (_Bvector_impl::_Bvector_impl()): 159 Likewise. 160 * testsuite/23_containers/vector/cons/113841.cc: New test. 161 162 2025-04-16 Jonathan Wakely <jwakely (a] redhat.com> 163 164 Backported from master: 165 2024-09-03 Jonathan Wakely <jwakely (a] redhat.com> 166 167 PR libstdc++/116549 168 * include/bits/stl_iterator.h (disable_sized_sentinel_for): 169 Define specialization for two move_iterator types, as per LWG 170 3736. 171 * testsuite/24_iterators/move_iterator/lwg3736.cc: New test. 172 173 2025-04-16 Jonathan Wakely <jwakely (a] redhat.com> 174 175 Backported from master: 176 2024-11-14 Jonathan Wakely <jwakely (a] redhat.com> 177 178 PR libstdc++/117560 179 * include/bits/fs_dir.h (enable_borrowed_range, enable_view): 180 Define specializations for directory iterators, as per LWG 3480. 181 * testsuite/27_io/filesystem/iterators/lwg3480.cc: New test. 182 183 2025-04-15 Jonathan Wakely <jwakely (a] redhat.com> 184 185 Backported from master: 186 2025-04-14 Jonathan Wakely <jwakely (a] redhat.com> 187 188 PR libstdc++/21334 189 * doc/xml/manual/using.xml: Document that container data race 190 avoidance rules do not apply to COW std::string. 191 * doc/html/*: Regenerate. 192 193 2025-04-02 Jonathan Wakely <jwakely (a] redhat.com> 194 195 Backported from master: 196 2023-03-31 Jonathan Wakely <jwakely (a] redhat.com> 197 198 PR tree-optimization/107087 199 * include/bits/cow_string.h (basic_string::size()): Add 200 optimizer hint that _S_empty_rep()._M_length is always zero. 201 (basic_string::length()): Call size(). 202 203 2025-04-02 Jonathan Wakely <jwakely (a] redhat.com> 204 205 Backported from master: 206 2024-02-15 Jonathan Wakely <jwakely (a] redhat.com> 207 208 PR libstdc++/99117 209 * include/std/valarray (valarray::operator=(const _Expr&)): 210 Use loop to copy instead of __valarray_copy with _Array. 211 * testsuite/26_numerics/valarray/99117.cc: New test. 212 213 2024-10-07 Jonathan Wakely <jwakely (a] redhat.com> 214 215 * include/std/string_view (basic_string_view::copy) Use explicit 216 template argument for call to std::min<size_t>. 217 (basic_string_view::substr): Likewise. 218 219 2024-10-07 Jonathan Wakely <jwakely (a] redhat.com> 220 221 Backported from master: 222 2024-06-21 Jonathan Wakely <jwakely (a] redhat.com> 223 224 * testsuite/util/testsuite_allocator.h (tracker_allocator): 225 Initialize base class in copy constructor. 226 227 2024-10-07 Jonathan Wakely <jwakely (a] redhat.com> 228 229 * src/c++17/fs_ops.cc (remove_all) [__FreeBSD__ || __DragonFly__]: 230 Check for EMLINK as well as ELOOP. 231 [__NetBSD__]: Check for EFTYPE as well as ELOOP. 232 233 2024-10-07 Jonathan Wakely <jwakely (a] redhat.com> 234 235 Backported from master: 236 2024-06-12 Jonathan Wakely <jwakely (a] redhat.com> 237 238 PR libstdc++/115399 239 * include/tr2/dynamic_bitset (operator>>=): Remove redundant 240 call to _M_do_sanitize. 241 * include/tr2/dynamic_bitset.tcc (_M_do_left_shift): Zero out 242 low bits in words that should no longer be populated. 243 (_M_do_right_shift): Likewise for high bits. 244 * testsuite/tr2/dynamic_bitset/pr115399.cc: New test. 245 246 2024-10-07 Kim Grsman <kim.grasman (a] gmail.com> 247 248 Backported from master: 249 2024-08-28 Kim Grsman <kim.grasman (a] gmail.com> 250 251 * include/bits/cpp_type_traits.h: Improve doxygen file docs. 252 253 2024-10-07 Kim Grsman <kim.grasman (a] gmail.com> 254 255 Backported from master: 256 2024-08-28 Kim Grsman <kim.grasman (a] gmail.com> 257 258 * config/cpu/aarch64/opt/ext/opt_random.h: Improve doxygen file 259 docs. 260 * config/cpu/i486/opt/ext/opt_random.h: Likewise. 261 262 2024-10-07 Jonathan Wakely <jwakely (a] redhat.com> 263 264 Backported from master: 265 2024-07-06 Jonathan Wakely <jwakely (a] redhat.com> 266 267 * include/std/variant (_Variant_storage::_M_reset): Use 268 __unlikely__ form of attribute instead of unlikely. 269 270 2024-10-07 Jonathan Wakely <jwakely (a] redhat.com> 271 272 Backported from master: 273 2024-08-28 Jonathan Wakely <jwakely (a] redhat.com> 274 275 * configure.ac: Fix check for O_NONBLOCK. 276 * config.h.in: Regenerate. 277 * configure: Regenerate. 278 279 2024-10-07 Jonathan Wakely <jwakely (a] redhat.com> 280 281 Backported from master: 282 2024-09-10 Jonathan Wakely <jwakely (a] redhat.com> 283 284 PR libstdc++/116641 285 * include/bits/basic_string.h (operator=(basic_string&&)): Call 286 _M_assign instead of assign. 287 * testsuite/21_strings/basic_string/allocator/116641.cc: New 288 test. 289 290 2024-10-07 Jonathan Wakely <jwakely (a] redhat.com> 291 292 Backported from master: 293 2024-06-28 Jonathan Wakely <jwakely (a] redhat.com> 294 295 PR libstdc++/115585 296 * src/c++11/assert_fail.cc (__glibcxx_assert_fail): Add 297 definition for non-verbose builds. 298 299 2024-07-09 Jonathan Wakely <jwakely (a] redhat.com> 300 301 Backported from master: 302 2024-07-08 Jonathan Wakely <jwakely (a] redhat.com> 303 304 PR libstdc++/115807 305 * include/c_compatibility/stdatomic.h (_Atomic): Ensure it 306 refers to std::atomic in the global namespace. 307 * testsuite/29_atomics/headers/stdatomic.h/115807.cc: New test. 308 309 2024-06-27 Alexandre Oliva <oliva (a] adacore.com> 310 311 Backported from master: 312 2024-06-27 Alexandre Oliva <oliva (a] adacore.com> 313 314 PR libstdc++/115454 315 * testsuite/experimental/simd/pr115454_find_last_set.cc: Defer 316 to check_vect_support_and_set_flags's default dg-do action. 317 318 2024-06-25 Jonathan Wakely <jwakely (a] redhat.com> 319 320 * doc/xml/manual/status_cxx2023.xml: Change reference from 321 mainline GCC to the release branch. 322 * doc/xml/manual/status_cxx1998.xml: Remove confusing "not in 323 any particular release" text. 324 * doc/xml/manual/status_cxx2011.xml: Likewise. 325 * doc/xml/manual/status_cxx2014.xml: Likewise. 326 * doc/xml/manual/status_cxx2017.xml: Likewise. 327 * doc/xml/manual/status_cxx2020.xml: Likewise. 328 * doc/xml/manual/status_cxxtr1.xml: Likewise. 329 * doc/xml/manual/status_cxxtr24733.xml: Likewise. 330 * doc/html/manual/status.html: Regenerate. 331 332 2024-06-21 Matthias Kretz <m.kretz (a] gsi.de> 333 334 Backported from master: 335 2024-06-21 Matthias Kretz <m.kretz (a] gsi.de> 336 337 PR libstdc++/115575 338 * testsuite/experimental/simd/pr115454_find_last_set.cc: Require 339 avx512f_runtime. Don't memcpy fixed_size masks. 340 341 2024-06-21 Matthias Kretz <m.kretz (a] gsi.de> 342 343 Backported from master: 344 2024-06-20 Matthias Kretz <m.kretz (a] gsi.de> 345 346 PR libstdc++/115454 347 * include/experimental/bits/simd_x86.h (_S_not_equal_to): Use 348 neq comparison instead of bitwise negation after eq. 349 (_S_find_last_set): Clear unused high bits before computing 350 bit_width. 351 * testsuite/experimental/simd/pr115454_find_last_set.cc: New 352 test. 353 354 2024-06-20 Matthias Kretz <m.kretz (a] gsi.de> 355 356 Backported from master: 357 2024-06-04 Matthias Kretz <m.kretz (a] gsi.de> 358 359 PR libstdc++/115308 360 * include/experimental/bits/simd.h (__int_for_sizeof): Remove 361 special cases for __clang__. 362 (_SimdWrapper): Change constructor overload set to allow 363 conversion from vector types with integral conversions via bit 364 reinterpretation. 365 366 2024-06-20 Matthias Kretz <m.kretz (a] gsi.de> 367 368 Backported from master: 369 2024-05-29 Matthias Kretz <m.kretz (a] gsi.de> 370 371 PR libstdc++/115247 372 * include/experimental/bits/simd.h (__as_vector): Don't use 373 vector_size(8) on __i386__. 374 (__vec_shuffle): Never return MMX vectors, widen to 16 bytes 375 instead. 376 (concat): Fix padding calculation to pick up widening logic from 377 __as_vector. 378 379 2024-06-20 Matthias Kretz <m.kretz (a] gsi.de> 380 381 Backported from master: 382 2024-05-13 Matthias Kretz <m.kretz (a] gsi.de> 383 384 PR libstdc++/114958 385 * include/experimental/bits/simd.h (__as_vector): Return scalar 386 simd as one-element vector. Return vector from single-vector 387 fixed_size simd. 388 (__vec_shuffle): New. 389 (__extract_part): Adjust return type signature. 390 (split): Use __extract_part for any split into non-fixed_size 391 simds. 392 (concat): If the return type stores a single vector, use 393 __vec_shuffle (which calls __builtin_shufflevector) to produce 394 the return value. 395 * include/experimental/bits/simd_builtin.h 396 (__shift_elements_right): Removed. 397 (__extract_part): Return single elements directly. Use 398 __vec_shuffle (which calls __builtin_shufflevector) to for all 399 non-trivial cases. 400 * include/experimental/bits/simd_fixed_size.h (__extract_part): 401 Return single elements directly. 402 * testsuite/experimental/simd/pr114958.cc: New test. 403 404 2024-06-20 Release Manager 405 406 * GCC 12.4.0 released. 407 408 2024-06-17 Jonathan Wakely <jwakely (a] redhat.com> 409 410 Backported from master: 411 2024-06-14 Jonathan Wakely <jwakely (a] redhat.com> 412 413 * libsupc++/new_opa.cc [!_GLIBCXX_HOSTED]: Fix declaration of 414 posix_memalign. 415 416 2024-06-11 Tianqiang Shuai <1101282468 (a] qq.com> 417 418 Backported from master: 419 2023-07-06 Tianqiang Shuai <1101282468 (a] qq.com> 420 421 * config/io/basic_file_stdio.cc (xwrite) [USE_STDIO_PURE]: Fix 422 first argument. 423 424 2024-06-11 Jonathan Wakely <jwakely (a] redhat.com> 425 426 Backported from master: 427 2023-03-22 Jonathan Wakely <jwakely (a] redhat.com> 428 429 * include/std/utility (__cpp_lib_constexpr_algorithms): Define, 430 as per LWG 3792. 431 * testsuite/20_util/exchange/constexpr.cc: Check for it. 432 433 2024-06-11 Jonathan Wakely <jwakely (a] redhat.com> 434 435 Backported from master: 436 2023-02-16 Jonathan Wakely <jwakely (a] redhat.com> 437 438 * include/bits/fs_ops.h (create_directory): Use reserved name 439 for parameter. 440 * include/bits/regex_automaton.h (_State_base::_M_print): 441 Likewise. 442 * include/bits/regex_automaton.tcc(_State_base::_M_print): 443 Likewise. 444 * include/bits/regex_scanner.tcc(_Scanner::_M_print): Likewise. 445 * include/experimental/bits/fs_ops.h (create_directory): 446 Likewise. 447 * include/std/mutex (timed_mutex::_M_clocklock): Likewise. 448 (recursive_timed_mutex:_M_clocklock): Likewise. 449 * libsupc++/cxxabi_init_exception.h 450 (__cxa_init_primary_exception): Likewise. 451 * testsuite/17_intro/names.cc: Add checks. 452 453 2024-06-11 Jonathan Wakely <jwakely (a] redhat.com> 454 455 Backported from master: 456 2024-02-02 Jonathan Wakely <jwakely (a] redhat.com> 457 458 * include/experimental/internet (network_v6::network): Define. 459 (network_v6::hosts): Finish implementing. 460 (network_v6::to_string): Do not concatenate std::string to 461 arbitrary std::basic_string specialization. 462 * testsuite/experimental/net/internet/network/v6/cons.cc: New 463 test. 464 465 2024-06-11 Jonathan Wakely <jwakely (a] redhat.com> 466 467 Backported from master: 468 2023-06-09 Jonathan Wakely <jwakely (a] redhat.com> 469 470 PR libstdc++/100285 471 * include/experimental/internet [IPPROTO_TCP || IPPROTO_UDP] 472 (basic_endpoint, basic_resolver_entry, resolver_base) 473 (basic_resolver_results, basic_resolver): Only define if the tcp 474 or udp protocols will be defined. 475 476 2024-06-11 Jonathan Wakely <jwakely (a] redhat.com> 477 478 Backported from master: 479 2023-07-05 Jonathan Wakely <jwakely (a] redhat.com> 480 481 PR libstdc++/110542 482 * include/bits/stl_uninitialized.h (__uninitialized_default_n): 483 Do not use std::fill_n during constant evaluation. 484 485 2024-06-11 Jonathan Wakely <jwakely (a] redhat.com> 486 487 Backported from master: 488 2024-04-10 Jonathan Wakely <jwakely (a] redhat.com> 489 490 * testsuite/27_io/manipulators/extended/get_time/char/2.cc: 491 Adjust input string so that it matches %a with or without a 492 trailing period. 493 494 2024-06-11 Jonathan Wakely <jwakely (a] redhat.com> 495 496 Backported from master: 497 2024-03-19 Jonathan Wakely <jwakely (a] redhat.com> 498 499 PR libstdc++/114359 500 * include/bits/random.tcc (binomial_distribution::param_type): 501 Ensure arithmetic is done as type double. 502 * testsuite/26_numerics/random/binomial_distribution/114359.cc: New test. 503 504 2024-06-11 Jonathan Wakely <jwakely (a] redhat.com> 505 506 Backported from master: 507 2024-03-19 Jonathan Wakely <jwakely (a] redhat.com> 508 509 PR libstdc++/114367 510 * include/bits/stl_bvector.h (_M_allocate): Use allocator's 511 construct function to begin lifetime of words. 512 513 2024-06-11 Jonathan Wakely <jwakely (a] redhat.com> 514 515 Backported from master: 516 2024-04-03 Jonathan Wakely <jwakely (a] redhat.com> 517 518 PR libstdc++/104606 519 * include/std/optional (operator<=>(const optional<T>&, const U&)): 520 Reverse order of three_way_comparable_with template arguments. 521 * testsuite/20_util/optional/relops/104606.cc: New test. 522 523 2024-06-11 Jonathan Wakely <jwakely (a] redhat.com> 524 525 Backported from master: 526 2024-03-22 Jonathan Wakely <jwakely (a] redhat.com> 527 528 PR libstdc++/114401 529 * include/bits/hashtable.h (_Hashtable::_M_reinsert_node): Call 530 release() on node handle instead of just zeroing its pointer. 531 (_Hashtable::_M_reinsert_node_multi): Likewise. 532 (_Hashtable::_M_merge_unique): Likewise. 533 (_Hashtable::_M_merge_multi): Likewise. 534 * include/bits/node_handle.h (_Node_handle_common::release()): 535 New member function. 536 (_Node_handle_common::_Optional_alloc::_M_empty): Remove 537 unnecessary union member. 538 (_Node_handle_common): Declare _Hashtable as a friend. 539 * include/bits/stl_tree.h (_Rb_tree::_M_reinsert_node_unique): 540 Call release() on node handle instead of just zeroing its 541 pointer. 542 (_Rb_tree::_M_reinsert_node_equal): Likewise. 543 (_Rb_tree::_M_reinsert_node_hint_unique): Likewise. 544 (_Rb_tree::_M_reinsert_node_hint_equal): Likewise. 545 * testsuite/23_containers/multiset/modifiers/114401.cc: New test. 546 * testsuite/23_containers/set/modifiers/114401.cc: New test. 547 * testsuite/23_containers/unordered_multiset/modifiers/114401.cc: New test. 548 * testsuite/23_containers/unordered_set/modifiers/114401.cc: New test. 549 550 2024-06-01 Jonathan Wakely <jwakely (a] redhat.com> 551 552 Backported from master: 553 2024-06-01 Jonathan Wakely <jwakely (a] redhat.com> 554 555 PR libstdc++/115269 556 * doc/xml/manual/using.xml: Replace link to gcc-4.3.2 docs. 557 Replace list of -std=... options with a single entry for -std. 558 * doc/html/manual/using.html: Regenerate. 559 560 2024-05-08 Matthias Kretz <m.kretz (a] gsi.de> 561 562 Backported from master: 563 2024-04-22 Matthias Kretz <m.kretz (a] gsi.de> 564 565 PR libstdc++/114803 566 * include/experimental/bits/simd_builtin.h 567 (_SimdBase2::operator __vector_type_t): There is no __builtin() 568 function in _SimdWrapper, instead use its conversion operator. 569 * testsuite/experimental/simd/pr114803_vecbuiltin_cvt.cc: New 570 test. 571 572 2024-05-08 Matthias Kretz <m.kretz (a] gsi.de> 573 574 Backported from master: 575 2024-04-22 Matthias Kretz <m.kretz (a] gsi.de> 576 577 * include/experimental/bits/simd.h: Ignore -Wnarrowing for 578 arm_neon.h. 579 (__int_for_sizeof): Replace tautological compare with checking 580 for invalid template parameter value. 581 * include/experimental/bits/simd_builtin.h (__extract_part): 582 Remove tautological compare by combining two static_assert. 583 584 2024-05-08 Matthias Kretz <m.kretz (a] gsi.de> 585 586 Backported from master: 587 2024-04-17 Matthias Kretz <m.kretz (a] gsi.de> 588 589 * include/experimental/bits/numeric_traits.h: Add include guard. 590 591 2024-05-08 Matthias Kretz <m.kretz (a] gsi.de> 592 593 Backported from master: 594 2024-04-17 Matthias Kretz <m.kretz (a] gsi.de> 595 596 PR libstdc++/114750 597 * include/experimental/bits/simd_builtin.h 598 (_SimdImplBuiltin::_S_load, _S_store): Fall back to copying 599 scalars if the memory type cannot be vectorized for the target. 600 601 2024-05-08 Matthias Kretz <m.kretz (a] gsi.de> 602 603 Backported from master: 604 2024-03-27 Matthias Kretz <m.kretz (a] gsi.de> 605 606 * include/experimental/bits/simd_x86.h (_S_masked_unary): 607 Cast inputs < 16 bytes to 16 byte vectors before calling the 608 right subtraction builtin. Before returning, truncate to the 609 return vector type. 610 611 2024-05-08 Matthias Kretz <m.kretz (a] gsi.de> 612 613 Backported from master: 614 2024-03-27 Matthias Kretz <m.kretz (a] gsi.de> 615 616 * include/experimental/bits/simd_x86.h (_S_masked_unary): Call 617 the 4- and 8-byte variants of __builtin_ia32_subp[ds] without 618 rounding direction argument. 619 620 2024-05-08 Matthias Kretz <m.kretz (a] gsi.de> 621 622 Backported from master: 623 2023-06-06 Matthias Kretz <m.kretz (a] gsi.de> 624 625 PR libstdc++/109822 626 * include/experimental/bits/simd_builtin.h (_S_store): Rewrite 627 to avoid casts to other vector types. Implement store as 628 succession of power-of-2 sized memcpy to avoid PR90424. 629 630 2024-05-08 Matthias Kretz <m.kretz (a] gsi.de> 631 632 Backported from master: 633 2023-06-06 Matthias Kretz <m.kretz (a] gsi.de> 634 635 PR libstdc++/110054 636 * include/experimental/bits/simd_builtin.h (_S_masked_store): 637 Call into deduced ABI's SimdImpl after conversion. 638 * include/experimental/bits/simd_x86.h (_S_masked_store_nocvt): 639 Don't use _mm_maskmoveu_si128. Use the generic fall-back 640 implementation. Also fix masked stores without SSE2, which 641 were not doing anything before. 642 643 2024-05-08 Matthias Kretz <m.kretz (a] gsi.de> 644 645 Backported from master: 646 2023-06-06 Matthias Kretz <m.kretz (a] gsi.de> 647 648 * include/experimental/bits/simd.h (__bit_cast): Use 649 __gnu__::__vector_size__ instead of gnu::vector_size. 650 651 2024-04-21 Iain Sandoe <iain (a] sandoe.co.uk> 652 653 Backported from master: 654 2024-02-19 Iain Sandoe <iain (a] sandoe.co.uk> 655 Jonathan Wakely <jwakely (a] redhat.com> 656 657 PR target/112397 658 * configure: Regenerate. 659 * configure.ac: Detect if we are building for Darwin. 660 * libsupc++/Makefile.am: If we are building for Darwin, then 661 suppress hot/cold partitioning for the array allocators. 662 * libsupc++/Makefile.in: Regenerated. 663 664 2024-04-21 Iain Sandoe <iain (a] sandoe.co.uk> 665 666 Backported from master: 667 2024-03-19 Iain Sandoe <iain (a] sandoe.co.uk> 668 669 * testsuite/lib/dg-options.exp (atomic_link_flags): Emit a -B 670 option for the path to the uninstalled libatomic. 671 672 2024-04-21 Iain Sandoe <iain (a] sandoe.co.uk> 673 674 Backported from master: 675 2024-03-19 Iain Sandoe <iain (a] sandoe.co.uk> 676 677 * testsuite/lib/libstdc++.exp (v3_target_compile): Instead of 678 /dev/null, use a temporary file for test executables on Darwin. 679 680 2024-04-18 Iain Sandoe <iain (a] sandoe.co.uk> 681 682 Backported from master: 683 2022-12-04 Iain Sandoe <iain (a] sandoe.co.uk> 684 685 * config/os/bsd/darwin/os_defines.h 686 (_GTHREAD_USE_RECURSIVE_MUTEX_INIT_FUNC): Limit use of this macro 687 to OS versions that need it. 688 689 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 690 691 Backported from master: 692 2023-05-12 Jonathan Wakely <jwakely (a] redhat.com> 693 694 * testsuite/experimental/feat-cxx14.cc: Remove dependency on 695 _GLIBCXX_USE_C99_STDINT_TR1. 696 697 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 698 699 Backported from master: 700 2023-05-12 Jonathan Wakely <jwakely (a] redhat.com> 701 702 * testsuite/21_strings/basic_string_view/typedefs.cc: Remove 703 dependency on _GLIBCXX_USE_C99_STDINT_TR1. 704 * testsuite/experimental/string_view/typedefs.cc: Likewise. 705 706 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 707 708 Backported from master: 709 2023-09-11 Jonathan Wakely <jwakely (a] redhat.com> 710 711 * src/c++11/Makefile.am: Add new file. 712 * src/c++11/Makefile.in: Regenerate. 713 * src/c++11/debug.cc (__glibcxx_assert_fail): Move to ... 714 * src/c++11/assert_fail.cc: New file. 715 716 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 717 718 Backported from master: 719 2023-06-26 Jonathan Wakely <jwakely (a] redhat.com> 720 721 * include/bits/iterator_concepts.h (projected): Replace class 722 template with alias template denoting an ADL-proofed helper. 723 (incremental_traits<projected<Iter, Proj>>): Remove. 724 * testsuite/24_iterators/indirect_callable/projected-adl.cc: 725 New test. 726 727 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 728 729 Backported from master: 730 2023-04-27 Jonathan Wakely <jwakely (a] redhat.com> 731 732 PR libstdc++/40380 733 * include/bits/basic_string.h: Improve doxygen comments. 734 * include/bits/cow_string.h: Likewise. 735 * include/bits/forward_list.h: Likewise. 736 * include/bits/fs_dir.h: Likewise. 737 * include/bits/fs_path.h: Likewise. 738 * include/bits/quoted_string.h: Likewise. 739 * include/bits/stl_bvector.h: Likewise. 740 * include/bits/stl_map.h: Likewise. 741 * include/bits/stl_multimap.h: Likewise. 742 * include/bits/stl_multiset.h: Likewise. 743 * include/bits/stl_set.h: Likewise. 744 * include/bits/stl_vector.h: Likewise. 745 * include/bits/unordered_map.h: Likewise. 746 * include/bits/unordered_set.h: Likewise. 747 * include/std/filesystem: Likewise. 748 * include/std/iomanip: Likewise. 749 750 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 751 752 Backported from master: 753 2022-11-19 Jonathan Wakely <jwakely (a] redhat.com> 754 755 * include/bits/ptr_traits.h (pointer_traits::pointer_to): Rename 756 parameter. 757 758 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 759 760 Backported from master: 761 2022-11-21 Jonathan Wakely <jwakely (a] redhat.com> 762 763 * include/std/tuple: Add better Doxygen comments. 764 765 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 766 767 Backported from master: 768 2022-11-08 Jonathan Wakely <jwakely (a] redhat.com> 769 770 * testsuite/18_support/new_nothrow.cc: Add missing noexcept 771 to operator delete replacements. 772 * testsuite/20_util/any/cons/92156.cc: Disable 773 -Winit-list-lifetime warnings from instantiating invalid 774 specialization of manager function. 775 * testsuite/20_util/any/modifiers/92156.cc: Likewise. 776 * testsuite/20_util/default_delete/void_neg.cc: Prune additional 777 diagnostics. 778 * testsuite/20_util/headers/memory/synopsis.cc: Add missing 779 noexcept. 780 * testsuite/20_util/shared_ptr/cons/void_neg.cc: Prune 781 additional diagnostic. 782 * testsuite/20_util/unique_ptr/creation/for_overwrite.cc: Add 783 missing noexcept to operator delete replacements. 784 * testsuite/21_strings/basic_string/cons/char/103919.cc: 785 Likewise. 786 * testsuite/23_containers/map/modifiers/emplace/92300.cc: 787 Likewise. 788 * testsuite/23_containers/map/modifiers/insert/92300.cc: 789 Likewise. 790 * testsuite/24_iterators/headers/iterator/range_access_c++11.cc: 791 Add missing noexcept to synopsis declarations. 792 * testsuite/24_iterators/headers/iterator/range_access_c++14.cc: 793 Likewise. 794 * testsuite/24_iterators/headers/iterator/range_access_c++17.cc: 795 Likewise. 796 797 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 798 799 Backported from master: 800 2022-09-21 Jonathan Wakely <jwakely (a] redhat.com> 801 802 * testsuite/20_util/headers/memory/synopsis.cc: Add declarations 803 from C++11 and later. 804 805 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 806 807 Backported from master: 808 2022-11-08 Jonathan Wakely <jwakely (a] redhat.com> 809 810 * include/bits/stl_tempbuf.h (_Temporary_buffer): Disable 811 warnings about get_temporary_buffer being deprecated. 812 * include/ext/functional (mem_fun1, mem_fun1_ref): Disable 813 warnings about mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t and 814 const_mem_fun1_ref_t being deprecated. 815 * include/std/spanstream (basic_spanbuf::setbuf): Add assertion 816 and adjust to avoid narrowing warning. 817 * libsupc++/exception_ptr.h [!__cpp_rtti && !__cpp_exceptions] 818 (make_exception_ptr): Add missing inline specifier. 819 820 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 821 822 Backported from master: 823 2022-05-13 Jonathan Wakely <jwakely (a] redhat.com> 824 825 * doc/doxygen/user.cfg.in (PREDEFINED): Define 826 _GTHREAD_USE_MUTEX_TIMEDLOCK macro. 827 * include/bits/std_mutex.h (mutex, lock_guard): Use @since and 828 @headerfile. 829 * include/bits/unique_lock.h (unique_lock): Likewise. 830 * include/std/mutex (recursive_mutex, timed_mutex) 831 (recursive_timed_mutex, scoped_lock): Likewise. 832 833 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 834 835 Backported from master: 836 2022-05-13 Jonathan Wakely <jwakely (a] redhat.com> 837 838 * doc/doxygen/user.cfg.in (PREDEFINED): Define 839 _GLIBCXX23_CONSTEXPR macro. 840 * include/backward/auto_ptr.h (auto_ptr): Use @deprecated. 841 * include/bits/unique_ptr.h (default_delete): Use @since and 842 @headerfile. 843 * include/std/scoped_allocator: Remove @ingroup from @file 844 block. 845 846 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 847 848 Backported from master: 849 2022-05-13 Jonathan Wakely <jwakely (a] redhat.com> 850 851 * include/bits/ostream_insert.h: Mark helper functions as 852 undocumented by Doxygen. 853 * include/bits/stl_algo.h: Use markdown for formatting and mark 854 helper functions as undocumented. 855 * include/bits/stl_numeric.h: Likewise. 856 * include/bits/stl_pair.h (pair): Add @headerfile. 857 858 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 859 860 Backported from master: 861 2022-05-13 Jonathan Wakely <jwakely (a] redhat.com> 862 863 * doc/doxygen/user.cfg.in (PREDEFINED): Define __allocator_base 864 so that Doxygen shows the right base-class for std::allocator. 865 * include/bits/alloc_traits.h: Improve doxygen docs. 866 * include/bits/allocator.h: Likewise. 867 * include/bits/new_allocator.h: Likewise. 868 * include/ext/new_allocator.h: Likewise. 869 870 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 871 872 Backported from master: 873 2022-05-13 Jonathan Wakely <jwakely (a] redhat.com> 874 875 * doc/doxygen/user.cfg.in (PREDEFINED): Define macro 876 _GLIBCXX_DOXYGEN_ONLY to expand its argument. 877 * include/bits/c++config (_GLIBCXX_DOXYGEN_ONLY): Define. 878 * include/bits/regex.h: Improve doxygen docs. 879 * include/bits/regex_constants.h: Likewise. 880 * include/bits/regex_error.h: Likewise. 881 882 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 883 884 Backported from master: 885 2022-05-13 Jonathan Wakely <jwakely (a] redhat.com> 886 887 * include/std/atomic: Suppress doxygen docs for 888 implementation details. 889 * include/bits/atomic_base.h: Likewise. 890 * include/bits/shared_ptr_atomic.h: Use markdown. Fix grouping 891 so that std::atomic is not added to the pointer abstractions 892 group. 893 894 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 895 896 Backported from master: 897 2022-05-17 Jonathan Wakely <jwakely (a] redhat.com> 898 899 * src/Makefile.am [ENABLE_SYMVERS_GNU_NAMESPACE] (cxx11_sources): 900 Do not build the compatibility*-c++0x.cc objects. 901 * src/Makefile.in: Regenerate. 902 * src/c++11/compatibility-c++0x.cc [_GLIBCXX_INLINE_VERSION]: 903 Refuse to build for the versioned namespace. 904 * src/c++11/compatibility-chrono.cc: Likewise. 905 * src/c++11/compatibility-condvar.cc: Likewise. 906 * src/c++11/compatibility-thread-c++0x.cc: Likewise. 907 * src/c++11/chrono.cc (system_clock, steady_clock): 908 Use macros to define in inline namespace _V2, matching the 909 declarations in <system_error>. 910 * src/c++11/system_error.cc (system_category, generic_category): 911 Likewise. 912 913 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 914 915 Backported from master: 916 2022-05-13 Jonathan Wakely <jwakely (a] redhat.com> 917 918 * doc/doxygen/user.cfg.in (PREDEFINED): Expand new macros to 919 nothing. 920 * include/bits/c++config (_GLIBCXX_BEGIN_INLINE_ABI_NAMESPACE) 921 (_GLIBCXX_END_INLINE_ABI_NAMESPACE): Define new macros. 922 * include/bits/algorithmfwd.h (_V2::__rotate): Use new macros 923 for the namespace. 924 * include/bits/chrono.h (chrono::_V2::system_clock): Likewise. 925 * include/bits/stl_algo.h (_V2::__rotate): Likewise. 926 * include/std/condition_variable (_V2::condition_variable_any): 927 Likewise. 928 * include/std/system_error (_V2::error_category): Likewise. 929 930 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 931 932 Backported from master: 933 2022-05-13 Jonathan Wakely <jwakely (a] redhat.com> 934 935 * doc/doxygen/user.cfg.in (GROUP_NESTED_COMPOUNDS): Set to NO. 936 (CLASS_DIAGRAMS): Remove obsolete option. 937 938 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 939 940 Backported from master: 941 2022-06-27 Jonathan Wakely <jwakely (a] redhat.com> 942 943 * include/bits/fs_path.h (__is_path_iter_src): Replace class 944 template with variable template. 945 946 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 947 948 Backported from master: 949 2022-09-26 Jonathan Wakely <jwakely (a] redhat.com> 950 951 * include/bits/ptr_traits.h (__ptr_traits_elem) [__cpp_concepts]: 952 Also define the __ptr_traits_elem class template for the 953 concepts case. 954 (pointer_traits<Ptr>): Remove constrained partial 955 specialization. 956 * testsuite/20_util/pointer_traits/lwg3545.cc: Check for 957 ambiguitiy with program-defined partial specialization. 958 959 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 960 961 Backported from master: 962 2022-09-24 Jonathan Wakely <jwakely (a] redhat.com> 963 964 * include/bits/alloc_traits.h (allocator_traits::is_always_equal): 965 Only instantiate is_empty if needed. 966 * include/bits/ptr_traits.h (__ptr_traits_impl::difference_type) 967 (__ptr_traits_impl::rebind): Use __detected_or. 968 * include/experimental/type_traits (is_same_v): Add a partial 969 specialization instead of instantiating the std::is_same class 970 template. 971 (detected_t): Redefine in terms of detected_or_t. 972 (is_detected, is_detected_v): Redefine in terms of detected_t. 973 * include/std/type_traits [__cpp_concepts] (__detected_or): Add 974 new definition using concepts. 975 (__detector::value_t): Rename to __is_detected. 976 * testsuite/17_intro/names.cc: Check value_t isn't used. 977 978 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 979 980 Backported from master: 981 2022-05-13 Jonathan Wakely <jwakely (a] redhat.com> 982 983 * include/bits/ptr_traits.h: Add some doxygen comments. 984 985 2024-03-18 Xi Ruoyao <xry111 (a] xry111.site> 986 987 Backported from master: 988 2022-06-24 Xi Ruoyao <xry111 (a] xry111.site> 989 990 * scripts/extract_symvers.in: Use grep -E instead of egrep. 991 * scripts/run_doxygen: Likewise. 992 993 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 994 995 Backported from master: 996 2022-10-28 Jonathan Wakely <jwakely (a] redhat.com> 997 998 PR libstdc++/107376 999 * include/bits/regex_executor.h (_Executor::_Executor): Use same 1000 allocator for _M_cur_results and _M_results. 1001 * include/bits/regex_executor.tcc (_Executor::_M_main_dispatch): 1002 Prevent possibly incorrect allocator propagating to 1003 _M_cur_results. 1004 * testsuite/28_regex/algorithms/regex_match/107376.cc: New test. 1005 1006 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1007 1008 Backported from master: 1009 2023-02-02 Jonathan Wakely <jwakely (a] redhat.com> 1010 1011 * include/std/sstream (basic_stringbuf::view): Define for old 1012 std::string ABI. 1013 (basic_istringstream::view, basic_stringstream::view) 1014 (basic_stringstream::view): Likewise. 1015 * testsuite/27_io/basic_istringstream/view/char/1.cc: Remove 1016 { dg-require-effective-target cxx11_abi }. 1017 * testsuite/27_io/basic_istringstream/view/wchar_t/1.cc: 1018 Likewise. 1019 * testsuite/27_io/basic_ostringstream/view/char/1.cc: Likewise. 1020 * testsuite/27_io/basic_ostringstream/view/wchar_t/1.cc: 1021 Likewise. 1022 * testsuite/27_io/basic_stringbuf/view/char/1.cc: Likewise. 1023 * testsuite/27_io/basic_stringbuf/view/wchar_t/1.cc: Likewise. 1024 * testsuite/27_io/basic_stringstream/view/char/1.cc: Likewise. 1025 * testsuite/27_io/basic_stringstream/view/wchar_t/1.cc: 1026 Likewise. 1027 1028 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1029 1030 Backported from master: 1031 2023-09-07 Jonathan Wakely <jwakely (a] redhat.com> 1032 1033 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for mkdir, 1034 chmod, chdir, and getcwd. 1035 * config.h.in: Regenerate. 1036 * configure: Regenerate. 1037 * src/c++17/fs_ops.cc (create_dir): Use USE_MKDIR macro. 1038 (fs::current_path): Use USE_GETCWD and USE_CHDIR macros. 1039 (fs::permissions): Use USE_CHMOD macro. 1040 * src/filesystem/ops-common.h [FILESYSTEM_IS_WINDOWS] 1041 (chmod, mkdir, getcwd, chdir): Define new macros. 1042 [FILESYSTEM_IS_WINDOWS] (chmod, mkdir, getcwd, chdir): Use 1043 new macros. 1044 * src/filesystem/ops.cc (create_dir): Use USE_MKDIR macro. 1045 (fs::current_path): Use USE_GETCWD and USE_CHDIR macros. 1046 (fs::permissions): Use USE_CHMOD macro. 1047 1048 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1049 1050 Backported from master: 1051 2023-08-09 Jonathan Wakely <jwakely (a] redhat.com> 1052 1053 * include/bits/new_allocator.h (__new_allocator): Define copy 1054 assignment operator as defaulted. 1055 * include/std/complex (complex<float>, complex<double>) 1056 (complex<long double>): Define copy constructor as defaulted. 1057 1058 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1059 1060 Backported from master: 1061 2023-11-11 Jonathan Wakely <jwakely (a] redhat.com> 1062 1063 PR libstdc++/112473 1064 * include/bits/utility.h (integer_sequence): Add static_assert. 1065 * testsuite/20_util/integer_sequence/112473.cc: New test. 1066 1067 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1068 1069 Backported from master: 1070 2023-09-15 Jonathan Wakely <jwakely (a] redhat.com> 1071 1072 PR libstdc++/111172 1073 * include/std/variant (get<T>): Remove !is_void static 1074 assertions. 1075 1076 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1077 1078 Backported from master: 1079 2023-10-26 Jonathan Wakely <jwakely (a] redhat.com> 1080 1081 PR libstdc++/112089 1082 * include/std/shared_mutex (shared_lock::unlock): Change errc 1083 constant to operation_not_permitted. 1084 * testsuite/30_threads/shared_lock/locking/112089.cc: New test. 1085 1086 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1087 1088 Backported from master: 1089 2024-02-29 Jonathan Wakely <jwakely (a] redhat.com> 1090 1091 PR libstdc++/113960 1092 * include/bits/stl_algobase.h (__is_byte_iter): Replace with ... 1093 (__memcmp_ordered_with): New concept. 1094 (lexicographical_compare_three_way): Use __memcmp_ordered_with 1095 instead of __is_byte_iter. Use correct length for memcmp. 1096 * testsuite/25_algorithms/lexicographical_compare_three_way/113960.cc: 1097 New test. 1098 1099 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1100 1101 Backported from master: 1102 2023-02-28 Jonathan Wakely <jwakely (a] redhat.com> 1103 1104 PR libstdc++/108846 1105 * include/bits/stl_algobase.h (__copy_move<false, false, RA>) 1106 Add __assign_one static member function. 1107 (__copy_move<true, false, RA>): Likewise. 1108 (__copy_move<IsMove, true, RA>): Do not use memmove for a single 1109 value. 1110 (__copy_move_backward<IsMove, true, RA>): Likewise. 1111 * testsuite/25_algorithms/copy/108846.cc: New test. 1112 * testsuite/25_algorithms/copy_backward/108846.cc: New test. 1113 * testsuite/25_algorithms/copy_n/108846.cc: New test. 1114 * testsuite/25_algorithms/move/108846.cc: New test. 1115 * testsuite/25_algorithms/move_backward/108846.cc: New test. 1116 1117 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1118 1119 Backported from master: 1120 2023-03-22 Jonathan Wakely <jwakely (a] redhat.com> 1121 1122 * include/bits/stream_iterator.h (istream_iterator): Add 1123 constexpr to copy constructor, as per LWG 3600. 1124 * testsuite/24_iterators/istream_iterator/cons/constexpr.cc: 1125 Check copy construction. 1126 1127 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1128 1129 Backported from master: 1130 2023-03-22 Jonathan Wakely <jwakely (a] redhat.com> 1131 1132 * include/bits/regex.h (match_results): Add allocator-extended 1133 copy and move constructors, as per LWG 2195. 1134 * testsuite/28_regex/match_results/ctors/char/alloc.cc: New test. 1135 1136 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1137 1138 Backported from master: 1139 2023-02-28 Jonathan Wakely <jwakely (a] redhat.com> 1140 1141 * src/c++11/codecvt.cc: Add [[likely]] and [[unlikely]] 1142 attributes. 1143 1144 2024-03-18 Dimitrij Mijoski <dmjpp (a] hotmail.com> 1145 1146 Backported from master: 1147 2023-01-13 Dimitrij Mijoski <dmjpp (a] hotmail.com> 1148 1149 PR libstdc++/86419 1150 * src/c++11/codecvt.cc (read_utf8_code_point): Correctly detect 1151 errors in incomplete multibyte sequences. 1152 (utf16_in): Remove surrogates parameter. Fix conditions for 1153 returning partial. 1154 (utf16_out): Fix condition for returning partial. 1155 (ucs2_in): Do not pass surrogates argument to utf16_in. 1156 * testsuite/22_locale/codecvt/codecvt_unicode.cc: New test. 1157 * testsuite/22_locale/codecvt/codecvt_unicode.h: New header for 1158 tests. 1159 * testsuite/22_locale/codecvt/codecvt_unicode_wchar_t.cc: New 1160 test. 1161 1162 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1163 1164 Backported from master: 1165 2023-07-26 Jonathan Wakely <jwakely (a] redhat.com> 1166 1167 * include/bits/algorithmfwd.h (random_shuffle): Add deprecated 1168 attribute. 1169 * include/bits/stl_algo.h (random_shuffle): Correct comments. 1170 * testsuite/25_algorithms/random_shuffle/1.cc: Disable 1171 deprecated warnings. 1172 * testsuite/25_algorithms/random_shuffle/59603.cc: Likewise. 1173 * testsuite/25_algorithms/random_shuffle/moveable.cc: Likewise. 1174 * testsuite/25_algorithms/random_shuffle/deprecated.cc: New 1175 test. 1176 1177 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1178 1179 Backported from master: 1180 2023-05-11 Jonathan Wakely <jwakely (a] redhat.com> 1181 1182 PR libstdc++/109758 1183 * include/bits/std_abs.h (abs(__float128)): Handle negative NaN 1184 and negative zero correctly. 1185 * testsuite/26_numerics/headers/cmath/109758.cc: New test. 1186 1187 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1188 1189 Backported from master: 1190 2023-05-12 Jonathan Wakely <jwakely (a] redhat.com> 1191 1192 * acinclude.m4 (GLIBCXX_CHECK_C99_TR1): Use a non-null pointer 1193 to check for nan, nanf, and nanl. 1194 * configure: Regenerate. 1195 1196 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1197 1198 Backported from master: 1199 2023-05-31 Jonathan Wakely <jwakely (a] redhat.com> 1200 1201 * include/std/scoped_allocator (scoped_allocator_adaptor): Add 1202 noexcept to all constructors except the default constructor. 1203 (scoped_allocator_adaptor::inner_allocator): Add noexcept. 1204 (scoped_allocator_adaptor::outer_allocator): Likewise. 1205 * testsuite/20_util/scoped_allocator/noexcept.cc: New test. 1206 1207 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1208 1209 Backported from master: 1210 2023-06-01 Jonathan Wakely <jwakely (a] redhat.com> 1211 1212 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: 1213 Add const to equality operator. 1214 1215 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1216 1217 Backported from master: 1218 2023-06-09 Jonathan Wakely <jwakely (a] redhat.com> 1219 1220 * testsuite/23_containers/deque/modifiers/emplace/52799.cc: 1221 Removed. 1222 * testsuite/23_containers/deque/modifiers/emplace/const_iterator.cc: 1223 Removed. 1224 * testsuite/23_containers/list/modifiers/emplace/52799.cc: 1225 Removed. 1226 * testsuite/23_containers/list/modifiers/emplace/const_iterator.cc: 1227 Removed. 1228 * testsuite/23_containers/vector/modifiers/emplace/52799.cc: 1229 Removed. 1230 * testsuite/23_containers/vector/modifiers/emplace/const_iterator.cc: 1231 Removed. 1232 * testsuite/23_containers/deque/modifiers/emplace/1.cc: New 1233 test. 1234 * testsuite/23_containers/list/modifiers/emplace/1.cc: New 1235 test. 1236 * testsuite/23_containers/vector/modifiers/emplace/1.cc: New 1237 test. 1238 1239 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1240 1241 Backported from master: 1242 2023-07-03 Jonathan Wakely <jwakely (a] redhat.com> 1243 1244 * include/bits/alloc_traits.h (_Destroy): Qualify call. 1245 * include/bits/stl_construct.h (_Destroy, _Destroy_n): Likewise. 1246 * testsuite/23_containers/vector/cons/destroy-adl.cc: New test. 1247 1248 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1249 1250 Backported from master: 1251 2023-07-19 Jonathan Wakely <jwakely (a] redhat.com> 1252 1253 PR libstdc++/110593 1254 * include/bits/chrono.h (duration): Improve static assert 1255 messages. 1256 (__is_ratio): Move to ... 1257 * include/std/ratio (__is_ratio): ... here. 1258 (__is_ratio_v): New variable template and partial 1259 specialization. 1260 (__are_both_ratios): New function template. 1261 (__ratio_multiply, ratio_equal, ratio_less, __ratio_add): 1262 Add static assertion. 1263 * testsuite/20_util/ratio/requirements/type_constraints.cc: 1264 New test. 1265 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: 1266 Adjust expected error. 1267 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: 1268 Likewise. 1269 1270 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1271 1272 Backported from master: 1273 2023-09-11 Jonathan Wakely <jwakely (a] redhat.com> 1274 1275 * src/c++11/debug.cc (acquire_sequence_ptr_for_lock): New 1276 function. 1277 (reset_sequence_ptr): New function. 1278 (_Safe_iterator_base::_M_detach) 1279 (_Safe_local_iterator_base::_M_detach): Replace bare atomic_load 1280 with acquire_sequence_ptr_for_lock. 1281 (_Safe_iterator_base::_M_reset): Replace bare atomic_store with 1282 reset_sequence_ptr. 1283 1284 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1285 1286 Backported from master: 1287 2023-08-16 Jonathan Wakely <jwakely (a] redhat.com> 1288 1289 * include/bits/basic_string.tcc (resize_and_overwrite): Invoke 1290 the callable with the same size as resize_and_overwrite was 1291 called with. 1292 * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc: 1293 Check with small values for the new size. 1294 1295 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1296 1297 Backported from master: 1298 2023-03-22 Jonathan Wakely <jwakely (a] redhat.com> 1299 1300 * include/bits/basic_string.tcc (basic_string::resize_and_overwrite): 1301 Pass rvalues to the callback, as now allowed by LWG 3645. 1302 Enforce preconditions on the return value. 1303 * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc: 1304 Adjust. 1305 1306 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1307 1308 Backported from master: 1309 2023-08-09 Jonathan Wakely <jwakely (a] redhat.com> 1310 1311 * include/bits/shared_ptr_atomic.h (atomic): Change class-head 1312 to struct. 1313 * include/bits/stl_tree.h (_Rb_tree_merge_helper): Change 1314 class-head to struct in friend declaration. 1315 * include/std/future (_Task_state_base, _Task_state): Likewise. 1316 * include/std/scoped_allocator (__inner_type_impl): Likewise. 1317 * include/std/valarray (_BinClos, _SClos, _GClos, _IClos) 1318 (_ValFunClos, _RefFunClos): Change class-head to struct. 1319 1320 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1321 1322 Backported from master: 1323 2023-09-08 Jonathan Wakely <jwakely (a] redhat.com> 1324 1325 * doc/xml/manual/test.xml: Update reference to -std=gnu++14 as 1326 the default. 1327 * doc/html/manual/test.html: Regenerate. 1328 1329 2024-03-18 Alexey Lapshin <alexey.lapshin (a] espressif.com> 1330 1331 Backported from master: 1332 2023-09-08 Alexey Lapshin <alexey.lapshin (a] espressif.com> 1333 1334 * src/libbacktrace/Makefile.am: Remove -Werror. 1335 * src/libbacktrace/Makefile.in: Regenerate. 1336 1337 2024-03-18 Nathaniel Shead <nathanieloshead (a] gmail.com> 1338 1339 Backported from master: 1340 2023-09-29 Nathaniel Shead <nathanieloshead (a] gmail.com> 1341 1342 * include/bits/basic_string.h: (basic_string(basic_string&&)): 1343 Activate _M_local_buf when needed. 1344 (basic_string(basic_string&&, const _Alloc&)): Likewise. 1345 * include/bits/basic_string.tcc: (basic_string::swap): Likewise. 1346 * include/std/variant: (__detail::__variant::__construct_n): New. 1347 (__detail::__variant::__emplace): Use __construct_n. 1348 1349 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1350 1351 Backported from master: 1352 2023-11-02 Jonathan Wakely <jwakely (a] redhat.com> 1353 1354 * acinclude.m4 (GLIBCXX_ENABLE_C99): Fix snprintf checks. 1355 * configure: Regenerate. 1356 1357 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1358 1359 Backported from master: 1360 2023-11-21 Jonathan Wakely <jwakely (a] redhat.com> 1361 1362 * include/tr2/dynamic_bitset (dynamic_bitset): Pass zero and one 1363 characters to _M_copy_from_string. 1364 * testsuite/tr2/dynamic_bitset/string.cc: New test. 1365 1366 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1367 1368 Backported from master: 1369 2023-11-14 Jonathan Wakely <jwakely (a] redhat.com> 1370 1371 * include/std/charconv (__from_chars_pow2_base): Convert base to 1372 unsigned for call to __countr_zero. 1373 (__from_chars_alnum): Likewise for call to __bit_width. 1374 1375 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1376 1377 Backported from master: 1378 2023-11-23 Jonathan Wakely <jwakely (a] redhat.com> 1379 1380 * testsuite/util/testsuite_allocator.h (uneq_allocator): Fix 1381 equality operator for heterogeneous comparisons. 1382 1383 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1384 1385 Backported from master: 1386 2024-03-14 Jonathan Wakely <jwakely (a] redhat.com> 1387 1388 PR libstdc++/66146 1389 * doc/xml/manual/status_cxx2011.xml: Remove mention of Linux in 1390 note about std::call_once. 1391 * doc/xml/manual/status_cxx2014.xml: Likewise. 1392 * doc/xml/manual/status_cxx2017.xml: Likewise. 1393 * doc/html/manual/status.html: Regenerate. 1394 1395 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1396 1397 Backported from master: 1398 2024-03-13 Jonathan Wakely <jwakely (a] redhat.com> 1399 1400 * testsuite/libstdc++-prettyprinters/cxx11.cc: Move custom_cat 1401 to namespace scope. 1402 1403 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1404 1405 Backported from master: 1406 2024-02-28 Jonathan Wakely <jwakely (a] redhat.com> 1407 1408 * doc/xml/manual/appendix_contributing.xml: Change URLs to use 1409 https. 1410 * doc/html/manual/*: Regenerate. 1411 1412 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1413 1414 Backported from master: 1415 2024-02-28 Jonathan Wakely <jwakely (a] redhat.com> 1416 1417 * doc/xml/manual/appendix_contributing.xml: Replace outdated 1418 info on ChangeLog entries. 1419 * doc/html/manual/appendix_contributing.html: Regenerate. 1420 1421 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1422 1423 Backported from master: 1424 2022-11-04 Jonathan Wakely <jwakely (a] redhat.com> 1425 1426 PR libstdc++/107500 1427 * libsupc++/eh_globals.cc (eh_globals): Remove immortalizing 1428 wrapper. 1429 (__cxxabiv1::__cxa_get_globals_fast): Adjust. 1430 (__cxxabiv1::__cxa_get_globals): Adjust. 1431 1432 2024-03-18 Jonathan Wakely <jwakely (a] redhat.com> 1433 1434 Backported from master: 1435 2024-03-04 Jonathan Wakely <jwakely (a] redhat.com> 1436 1437 PR libstdc++/114147 1438 * include/std/tuple (tuple::tuple(allocator_arg_t, const Alloc&)): 1439 Add missing overload of allocator-extended default constructor. 1440 (tuple<T1,T2>::tuple(allocator_arg_t, const Alloc&)): Likewise. 1441 * testsuite/20_util/tuple/cons/114147.cc: New test. 1442 1443 2024-03-13 Cassio Neri <cassio.neri (a] gmail.com> 1444 1445 Backported from master: 1446 2024-01-05 Cassio Neri <cassio.neri (a] gmail.com> 1447 1448 * include/std/chrono: Fix + and - for months and weekdays. 1449 * testsuite/std/time/month/1.cc: Add constexpr tests against overflow. 1450 * testsuite/std/time/month/2.cc: New test for extreme values. 1451 * testsuite/std/time/weekday/1.cc: Add constexpr tests against overflow. 1452 * testsuite/std/time/weekday/2.cc: New test for extreme values. 1453 1454 2024-03-13 Cassio Neri <cassio.neri (a] gmail.com> 1455 1456 Backported from master: 1457 2023-11-14 Cassio Neri <cassio.neri (a] gmail.com> 1458 1459 * include/std/chrono (operator-(const weekday&, const weekday&)): 1460 Optimize. 1461 1462 2024-03-13 Cassio Neri <cassio.neri (a] gmail.com> 1463 1464 Backported from master: 1465 2023-11-14 Cassio Neri <cassio.neri (a] gmail.com> 1466 1467 * include/std/chrono (year::is_leap): Clear code. 1468 1469 2024-03-13 Cassio Neri <cassio.neri (a] gmail.com> 1470 1471 Backported from master: 1472 2023-11-14 Cassio Neri <cassio.neri (a] gmail.com> 1473 1474 * include/std/chrono (year_month_day_last::day): Remove &1. 1475 1476 2024-03-13 Cassio Neri <cassio.neri (a] gmail.com> 1477 1478 Backported from master: 1479 2023-11-14 Cassio Neri <cassio.neri (a] gmail.com> 1480 1481 * include/std/chrono (weekday::_S_from_days): Fix UB. 1482 * testsuite/std/time/weekday/1.cc: Add test for overflow. 1483 1484 2024-03-13 Jonathan Wakely <jwakely (a] redhat.com> 1485 1486 Backported from master: 1487 2023-08-09 Jonathan Wakely <jwakely (a] redhat.com> 1488 1489 * include/bits/list.tcc (list::sort(Cmp)): Fix -Wsign-compare 1490 warning for loop condition. 1491 1492 2024-03-13 Jonathan Wakely <jwakely (a] redhat.com> 1493 1494 Backported from master: 1495 2023-06-09 Jonathan Wakely <jwakely (a] redhat.com> 1496 1497 PR libstdc++/110167 1498 * include/std/array (to_array): Initialize arrays of trivial 1499 types using memcpy. For non-trivial types, use lambda 1500 expressions instead of a separate helper function. 1501 (__to_array): Remove. 1502 * testsuite/23_containers/array/creation/110167.cc: New test. 1503 1504 2024-02-08 Jonathan Wakely <jwakely (a] redhat.com> 1505 1506 Backported from master: 1507 2024-02-02 Jonathan Wakely <jwakely (a] redhat.com> 1508 1509 * include/std/string_view (basic_string_view(R&&)): Remove 1510 constraint that traits_type must be the same, as per LWG 3857. 1511 * testsuite/21_strings/basic_string_view/cons/char/range_c++20.cc: 1512 Explicit conversion between different specializations should be 1513 allowed. 1514 * testsuite/21_strings/basic_string_view/cons/wchar_t/range_c++20.cc: 1515 Likewise. 1516 1517 2024-02-08 Jonathan Wakely <jwakely (a] redhat.com> 1518 1519 Backported from master: 1520 2024-02-02 Jonathan Wakely <jwakely (a] redhat.com> 1521 1522 PR libstdc++/90276 1523 * testsuite/util/pstl/test_utils.h (reverse_invoker): Do not use 1524 perfect forwarding for iterator arguments. 1525 1526 2024-02-08 Jonathan Wakely <jwakely (a] redhat.com> 1527 1528 Backported from master: 1529 2024-02-02 Jonathan Wakely <jwakely (a] redhat.com> 1530 1531 * include/std/syncstream (basic_osyncstream::operator=): Remove 1532 noexcept, as per LWG 3867. 1533 1534 2024-02-08 Jonathan Wakely <jwakely (a] redhat.com> 1535 1536 Backported from master: 1537 2024-01-13 Jonathan Wakely <jwakely (a] redhat.com> 1538 1539 PR libstdc++/107466 1540 * include/bits/random.tcc (subtract_with_carry_engine::seed): 1541 Implement proposed resolution of LWG 4014. 1542 * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error 1543 line number. 1544 * testsuite/26_numerics/random/subtract_with_carry_engine/cons/lwg3809.cc: 1545 Check for expected result of 64-bit engine with seed that 1546 doesn't fit in 32-bits. 1547 1548 2024-02-08 Jonathan Wakely <jwakely (a] redhat.com> 1549 1550 Backported from master: 1551 2024-01-11 Jonathan Wakely <jwakely (a] redhat.com> 1552 1553 PR libstdc++/113258 1554 * libsupc++/new_opa.cc: Prefer to use posix_memalign if 1555 available. 1556 1557 2024-02-02 Jonathan Wakely <jwakely (a] redhat.com> 1558 1559 PR libstdc++/108636 1560 * include/bits/shared_ptr_base.h (__shared_ptr::operator bool): 1561 Add always_inline attribute for C++20 and later. 1562 1563 2024-01-11 Jonathan Wakely <jwakely (a] redhat.com> 1564 1565 Backported from master: 1566 2024-01-05 Jonathan Wakely <jwakely (a] redhat.com> 1567 1568 PR libstdc++/113200 1569 * include/bits/char_traits.h (__gnu_cxx::char_traits::move): Use 1570 __builtin_constant_p to check for unrelated pointers that cannot 1571 be compared during constant evaluation. 1572 * testsuite/21_strings/char_traits/requirements/113200.cc: New 1573 test. 1574 1575 2024-01-11 Ken Matsui <kmatsui (a] gcc.gnu.org> 1576 1577 Backported from master: 1578 2024-01-11 Ken Matsui <kmatsui (a] gcc.gnu.org> 1579 1580 PR libstdc++/113250 1581 * src/c++17/fs_ops.cc (fs::equivalent): Use || instead of &&. 1582 * src/filesystem/ops.cc (fs::equivalent): Likewise. 1583 * testsuite/27_io/filesystem/operations/equivalent.cc: Handle 1584 error codes. 1585 * testsuite/experimental/filesystem/operations/equivalent.cc: 1586 Likewise. 1587 1588 2024-01-03 Patrick Palka <ppalka (a] redhat.com> 1589 1590 Backported from master: 1591 2024-01-03 Patrick Palka <ppalka (a] redhat.com> 1592 1593 PR testsuite/113175 1594 * testsuite/std/ranges/iota/max_size_type.cc (test02): Reduce 1595 'limit' to 100 from 1000 and adjust 'log2_limit' accordingly. 1596 (test03): Likewise. 1597 1598 2023-12-16 Jakub Jelinek <jakub (a] redhat.com> 1599 1600 Backported from master: 1601 2023-10-13 Jakub Jelinek <jakub (a] redhat.com> 1602 1603 * testsuite/tr1/8_c_compatibility/cstdio/functions.cc (test01): 1604 Initialize stream to va_arg(ap, FILE*) rather than 0. 1605 * testsuite/tr1/8_c_compatibility/cwchar/functions.cc (test01): 1606 Likewise. 1607 1608 2023-12-06 Jonathan Wakely <jwakely (a] redhat.com> 1609 1610 Backported from master: 1611 2023-11-02 Jonathan Wakely <jwakely (a] redhat.com> 1612 1613 PR libstdc++/112314 1614 * include/std/string_view (string_view::remove_suffix): Add 1615 debug assertion. 1616 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/debug.cc: 1617 New test. 1618 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/debug.cc: 1619 New test. 1620 1621 2023-12-06 Jonathan Wakely <jwakely (a] redhat.com> 1622 1623 Backported from master: 1624 2023-11-17 Jonathan Wakely <jwakely (a] redhat.com> 1625 1626 * include/std/utility (in_range): Rename _Up parameter to _Res. 1627 1628 2023-11-15 Jonathan Wakely <jwakely (a] redhat.com> 1629 1630 Backported from master: 1631 2023-11-15 Jonathan Wakely <jwakely (a] redhat.com> 1632 1633 PR libstdc++/112491 1634 * python/libstdcxx/v6/xmethods.py (DequeWorkerBase.index): 1635 Correctly handle unused capacity at the start of the first node. 1636 * testsuite/libstdc++-xmethods/deque.cc: Check index operator 1637 when elements have been removed from the front. 1638 1639 2023-11-15 Jonathan Wakely <jwakely (a] redhat.com> 1640 1641 Backported from master: 1642 2023-11-15 Jonathan Wakely <jwakely (a] redhat.com> 1643 1644 * include/std/stacktrace (basic_stacktrace::at): Fix class name 1645 in exception message. 1646 * testsuite/19_diagnostics/stacktrace/hash.cc: Do not fail if 1647 current() returns a non-empty stacktrace. 1648 1649 2023-11-14 Jonathan Wakely <jwakely (a] redhat.com> 1650 1651 Backported from master: 1652 2023-11-14 Jonathan Wakely <jwakely (a] redhat.com> 1653 1654 PR libstdc++/112348 1655 * include/std/stacktrace (hash<basic_stacktrace<Alloc>>): Fix 1656 type of hash function for entries. 1657 * testsuite/19_diagnostics/stacktrace/hash.cc: New test. 1658 1659 2023-11-14 Jonathan Wakely <jwakely (a] redhat.com> 1660 1661 Backported from master: 1662 2023-11-14 Jonathan Wakely <jwakely (a] redhat.com> 1663 1664 PR libstdc++/112491 1665 * python/libstdcxx/v6/xmethods.py (DequeWorkerBase.size): Fix 1666 calculation to use _M_start._M_cur. 1667 * testsuite/libstdc++-xmethods/deque.cc: Check failing cases. 1668 1669 2023-11-13 Tom Tromey <tromey (a] adacore.com> 1670 1671 Backported from master: 1672 2023-10-04 Tom Tromey <tromey (a] adacore.com> 1673 1674 * python/libstdcxx/v6/printers.py 1675 (StdExpAnyPrinter.__init__): Qualify call to 1676 _string_types. 1677 1678 2023-11-13 Tom Tromey <tromey (a] adacore.com> 1679 1680 Backported from master: 1681 2023-10-04 Tom Tromey <tromey (a] adacore.com> 1682 1683 * python/libstdcxx/v6/printers.py: Assume that 1684 _versioned_namespace is non-None. 1685 * python/libstdcxx/v6/xmethods.py (is_specialization_of): 1686 Assume that _versioned_namespace is non-None. 1687 1688 2023-11-13 Tom Tromey <tromey (a] adacore.com> 1689 1690 Backported from master: 1691 2023-09-28 Tom Tromey <tromey (a] adacore.com> 1692 1693 * python/libstdcxx/v6/printers.py (Printer.add_version) 1694 (add_one_template_type_printer) 1695 (FilteringTypePrinter.add_one_type_printer): Use Python 1696 "not in" operator. 1697 1698 2023-11-13 Tom Tromey <tromey (a] adacore.com> 1699 1700 Backported from master: 1701 2023-10-04 Tom Tromey <tromey (a] adacore.com> 1702 1703 * python/libstdcxx/v6/xmethods.py (_versioned_namespace): 1704 Define. 1705 1706 2023-11-13 Jonathan Wakely <jwakely (a] redhat.com> 1707 1708 Backported from master: 1709 2023-09-28 Jonathan Wakely <jwakely (a] redhat.com> 1710 1711 * python/libstdcxx/v6/xmethods.py (is_specialization_of): Define 1712 new function. 1713 (ArrayMethodsMatcher, DequeMethodsMatcher) 1714 (ForwardListMethodsMatcher, ListMethodsMatcher) 1715 (VectorMethodsMatcher, AssociativeContainerMethodsMatcher) 1716 (UniquePtrGetWorker, UniquePtrMethodsMatcher) 1717 (SharedPtrSubscriptWorker, SharedPtrMethodsMatcher): Use 1718 is_specialization_of instead of re.match. 1719 1720 2023-11-13 Jonathan Wakely <jwakely (a] redhat.com> 1721 1722 Backported from master: 1723 2023-09-28 Jonathan Wakely <jwakely (a] redhat.com> 1724 1725 * python/libstdcxx/v6/printers.py: Break long lines. Use raw 1726 strings for regular expressions. Add whitespace around 1727 operators. 1728 (is_member_of_namespace): Use isinstance to check type. 1729 (is_specialization_of): Likewise. Adjust template_name 1730 for versioned namespace instead of duplicating the re.match 1731 call. 1732 (StdExpAnyPrinter._string_types): New static method. 1733 (StdExpAnyPrinter.to_string): Use _string_types. 1734 1735 2023-11-13 Jonathan Wakely <jwakely (a] redhat.com> 1736 1737 Backported from master: 1738 2023-09-28 Jonathan Wakely <jwakely (a] redhat.com> 1739 1740 * python/libstdcxx/v6/printers.py: Format docstrings according 1741 to PEP 257. 1742 * python/libstdcxx/v6/xmethods.py: Likewise. 1743 1744 2023-11-13 Jonathan Wakely <jwakely (a] redhat.com> 1745 1746 Backported from master: 1747 2023-09-12 Jonathan Wakely <jwakely (a] redhat.com> 1748 1749 * python/libstdcxx/v6/printers.py: Reformat. 1750 * python/libstdcxx/v6/xmethods.py: Likewise. 1751 1752 2023-11-06 Ian Lance Taylor <iant (a] golang.org> 1753 1754 PR libbacktrace/111315 1755 PR libbacktrace/112263 1756 * acinclude.m4: Set -D_GNU_SOURCE in BACKTRACE_CPPFLAGS and when 1757 grepping link.h for dl_iterate_phdr. 1758 * configure: Regenerate. 1759 1760 2023-10-25 Jonathan Wakely <jwakely (a] redhat.com> 1761 1762 Backported from master: 1763 2023-10-25 Jonathan Wakely <jwakely (a] redhat.com> 1764 1765 PR libstdc++/111936 1766 * src/libbacktrace/Makefile.am: Add -prefer-pic to libtool 1767 compile commands. 1768 * src/libbacktrace/Makefile.in: Regenerate. 1769 1770 2023-10-23 Franois Dumont <fdumont (a] gcc.gnu.org> 1771 1772 * include/bits/hashtable_policy.h 1773 (_Hash_code_base::_M_hash_code(const _Hash&, const _Hash_node_value<>&)): Remove. 1774 (_Hash_code_base::_M_hash_code<_H2>(const _H2&, const _Hash_node_value<>&)): Remove. 1775 * include/bits/hashtable.h 1776 (_M_src_hash_code<_H2>(const _H2&, const key_type&, const __node_value_type&)): New. 1777 (_M_merge_unique<>, _M_merge_multi<>): Use latter. 1778 * testsuite/23_containers/unordered_map/modifiers/merge.cc 1779 (test04, test05, test06): New test cases. 1780 1781 2023-10-03 Jonathan Wakely <jwakely (a] redhat.com> 1782 1783 * include/bits/fs_dir.h (directory_iterator::operator==): 1784 Define without using a non-exported shared_ptr symbol. 1785 (recursive_directory_iterator::operator==): Likewise. 1786 1787 2023-10-03 Jonathan Wakely <jwakely (a] redhat.com> 1788 1789 Backported from master: 1790 2023-09-01 Jonathan Wakely <jwakely (a] redhat.com> 1791 1792 * testsuite/27_io/filesystem/path/108636.cc: Add dg-require for 1793 filesystem support. 1794 1795 2023-10-03 Jonathan Wakely <jwakely (a] redhat.com> 1796 1797 Backported from master: 1798 2023-06-06 Jonathan Wakely <jwakely (a] redhat.com> 1799 1800 PR libstdc++/108178 1801 * src/filesystem/ops-common.h (do_copy_file): Check for empty 1802 files by trying to read a character. 1803 * testsuite/27_io/filesystem/operations/copy_file_108178.cc: 1804 New test. 1805 1806 2023-10-03 Jonathan Wakely <jwakely (a] redhat.com> 1807 1808 Backported from master: 1809 2023-06-06 Jonathan Wakely <jwakely (a] redhat.com> 1810 1811 * src/filesystem/ops-common.h (do_copy_file) [O_CLOEXEC]: Set 1812 close-on-exec flag on file descriptors. 1813 1814 2023-10-03 Jonathan Wakely <jwakely (a] redhat.com> 1815 1816 Backported from master: 1817 2023-03-20 Jonathan Wakely <jwakely (a] redhat.com> 1818 1819 * src/filesystem/ops-common.h (get_temp_directory_from_env): Fix 1820 formatting. 1821 1822 2023-10-03 Jonathan Wakely <jwakely (a] redhat.com> 1823 1824 Backported from master: 1825 2023-02-02 Jonathan Wakely <jwakely (a] redhat.com> 1826 1827 * src/filesystem/ops-common.h [AVR] (__unsupported): Always use 1828 errc::function_not_supported instead of errc::not_supported. 1829 1830 2023-10-02 Tim Song <t.canens.cpp (a] gmail.com> 1831 1832 Backported from master: 1833 2023-09-28 Tim Song <t.canens.cpp (a] gmail.com> 1834 1835 PR libstdc++/111050 1836 * include/bits/hashtable_policy.h 1837 (_Hash_node_value_base<>::_M_valptr(), _Hash_node_value_base<>::_M_v()) 1838 Add [[__gnu__::__always_inline__]]. 1839 1840 2023-09-27 Jonathan Wakely <jwakely (a] redhat.com> 1841 1842 Backported from master: 1843 2023-08-09 Jonathan Wakely <jwakely (a] redhat.com> 1844 1845 * include/experimental/bits/fs_path.h (path::string): Use 1846 _GLIBCXX17_CONSTEXPR not _GLIBCXX_CONSTEXPR for 'if constexpr'. 1847 * include/std/charconv (__to_chars_8): Initialize variable for 1848 C++17 constexpr rules. 1849 1850 2023-09-26 Jonathan Wakely <jwakely (a] redhat.com> 1851 1852 Backported from master: 1853 2023-09-25 Jonathan Wakely <jwakely (a] redhat.com> 1854 1855 PR libstdc++/111511 1856 PR c++/111512 1857 * include/std/array (to_array): Qualify calls to __to_array. 1858 * testsuite/23_containers/array/creation/111512.cc: New test. 1859 1860 2023-09-18 Jonathan Wakely <jwakely (a] redhat.com> 1861 1862 Backported from master: 1863 2023-09-18 Jonathan Wakely <jwakely (a] redhat.com> 1864 1865 * doc/xml/manual/configure.xml: Use conventional option name. 1866 * doc/xml/manual/status_cxx2020.xml: Update. 1867 * doc/html/*: Regenerate. 1868 1869 2023-09-14 Jonathan Wakely <jwakely (a] redhat.com> 1870 1871 Backported from master: 1872 2023-09-14 Jonathan Wakely <jwakely (a] redhat.com> 1873 1874 PR c++/111357 1875 * include/bits/utility.h (make_integer_sequence): Add cast. 1876 * testsuite/20_util/integer_sequence/pr111357.cc: New test. 1877 1878 2023-07-12 Jonathan Wakely <jwakely (a] redhat.com> 1879 1880 Backported from master: 1881 2023-07-12 Jonathan Wakely <jwakely (a] redhat.com> 1882 1883 PR libstdc++/95048 1884 * testsuite/27_io/filesystem/path/construct/95048.cc: Check 1885 conversions to wide strings. 1886 * testsuite/experimental/filesystem/path/construct/95048.cc: 1887 Likewise. 1888 1889 2023-07-06 Jonathan Wakely <jwakely (a] redhat.com> 1890 1891 Backported from master: 1892 2023-07-06 Jonathan Wakely <jwakely (a] redhat.com> 1893 1894 PR libstdc++/104299 1895 * doc/xml/manual/configure.xml: Describe stdio_pure argument to 1896 --enable-cstdio. 1897 * doc/html/manual/configure.html: Regenerate. 1898 1899 2023-06-23 Jonathan Wakely <jwakely (a] redhat.com> 1900 1901 Backported from master: 1902 2023-06-01 Jonathan Wakely <jwakely (a] redhat.com> 1903 1904 * doc/xml/manual/evolution.xml: Document removal of implicit 1905 allocator rebinding extensions in strict mode and for C++20. 1906 * doc/html/*: Regenerate. 1907 1908 2023-06-21 Jason Merrill <jason (a] redhat.com> 1909 1910 PR tree-optimization/105651 1911 * include/bits/basic_string.tcc (_M_replace): Add an assert 1912 to avoid -Wrestrict false positive. 1913 1914 2023-05-30 Alexandre Oliva <oliva (a] adacore.com> 1915 1916 Backported from master: 1917 2023-05-30 Alexandre Oliva <oliva (a] adacore.com> 1918 1919 * testsuite/20_util/from_chars/4.cc: Skip long double test06 1920 on x86_64-vxworks. 1921 * testsuite/20_util/to_chars/long_double.cc: Xfail run on 1922 x86_64-vxworks. 1923 1924 2023-05-30 Alexandre Oliva <oliva (a] adacore.com> 1925 1926 Backported from master: 1927 2023-05-25 Alexandre Oliva <oliva (a] adacore.com> 1928 1929 * testsuite/20_util/to_chars/long_double.cc: Expect execution 1930 fail on x86-vxworks. 1931 1932 2023-05-30 Alexandre Oliva <oliva (a] adacore.com> 1933 1934 Backported from master: 1935 2023-05-05 Alexandre Oliva <oliva (a] adacore.com> 1936 1937 * testsuite/20_util/from_chars/4.cc: Skip long double test06 1938 on aarch64-vxworks. 1939 * testsuite/20_util/to_chars/long_double.cc: Xfail run on 1940 aarch64-vxworks. 1941 1942 2023-05-30 Matthias Kretz <m.kretz (a] gsi.de> 1943 1944 Backported from master: 1945 2023-05-30 Matthias Kretz <m.kretz (a] gsi.de> 1946 1947 PR libstdc++/109822 1948 * include/experimental/bits/simd.h (to_native): Use int NTTP 1949 as specified in PTS2. 1950 (to_compatible): Likewise. Add missing tag to call mask 1951 generator ctor. 1952 * testsuite/experimental/simd/pr109822_cast_functions.cc: New 1953 test. 1954 1955 2023-05-30 Matthias Kretz <m.kretz (a] gsi.de> 1956 1957 Backported from master: 1958 2023-05-30 Matthias Kretz <m.kretz (a] gsi.de> 1959 1960 * testsuite/experimental/simd/tests/integer_operators.cc: 1961 Compute expected value differently to avoid getting turned into 1962 a vector shift. 1963 1964 2023-05-30 Matthias Kretz <m.kretz (a] gsi.de> 1965 1966 Backported from master: 1967 2023-05-30 Matthias Kretz <m.kretz (a] gsi.de> 1968 1969 * testsuite/experimental/simd/tests/operator_cvt.cc: Make long 1970 double <-> (u)long conversion tests conditional on sizeof(long 1971 double) and sizeof(long). 1972 1973 2023-05-30 Matthias Kretz <m.kretz (a] gsi.de> 1974 1975 Backported from master: 1976 2023-05-26 Matthias Kretz <m.kretz (a] gsi.de> 1977 1978 * include/experimental/bits/simd_ppc.h (_S_bit_shift_left): 1979 Negative __y is UB, so prefer signed compare. 1980 1981 2023-05-24 Matthias Kretz <m.kretz (a] gsi.de> 1982 1983 Backported from master: 1984 2023-05-24 Matthias Kretz <m.kretz (a] gsi.de> 1985 1986 PR libstdc++/109949 1987 * include/experimental/bits/simd.h (__intrinsic_type): If 1988 __ALTIVEC__ is defined, map gnu::vector_size types to their 1989 corresponding __vector T types without losing unsignedness of 1990 integer types. Also prefer long long over long. 1991 * include/experimental/bits/simd_ppc.h (_S_popcount): Cast mask 1992 object to the expected unsigned vector type. 1993 1994 2023-05-24 Matthias Kretz <m.kretz (a] gsi.de> 1995 1996 Backported from master: 1997 2023-05-24 Matthias Kretz <m.kretz (a] gsi.de> 1998 1999 PR libstdc++/109261 2000 * include/experimental/bits/simd.h (__intrinsic_type): 2001 Specialize __intrinsic_type<double, 8> and 2002 __intrinsic_type<double, 16> in any case, but provide the member 2003 type only with __aarch64__. 2004 2005 2023-05-24 Matthias Kretz <m.kretz (a] gsi.de> 2006 2007 Backported from master: 2008 2023-05-24 Matthias Kretz <m.kretz (a] gsi.de> 2009 2010 PR libstdc++/109261 2011 * include/experimental/bits/simd_neon.h (_S_reduce): Add 2012 constexpr and make NEON implementation conditional on 2013 not __builtin_is_constant_evaluated. 2014 2015 2023-05-23 Matthias Kretz <m.kretz (a] gsi.de> 2016 2017 Backported from master: 2018 2023-05-23 Matthias Kretz <m.kretz (a] gsi.de> 2019 2020 PR libstdc++/109261 2021 * include/experimental/bits/simd.h (_SimdWrapper::_M_set): 2022 Avoid vector builtin subscripting in constant expressions. 2023 (resizing_simd_cast): Avoid memcpy if constant_evaluated. 2024 (const_where_expression, where_expression, where) 2025 (__extract_part, simd_mask, _SimdIntOperators, simd): Add either 2026 _GLIBCXX_SIMD_CONSTEXPR (on public APIs), or constexpr (on 2027 internal APIs). 2028 * include/experimental/bits/simd_builtin.h (__vector_permute) 2029 (__vector_shuffle, __extract_part, _GnuTraits::_SimdCastType1) 2030 (_GnuTraits::_SimdCastType2, _SimdImplBuiltin) 2031 (_MaskImplBuiltin::_S_store): Add constexpr. 2032 (_CommonImplBuiltin::_S_store_bool_array) 2033 (_SimdImplBuiltin::_S_load, _SimdImplBuiltin::_S_store) 2034 (_SimdImplBuiltin::_S_reduce, _MaskImplBuiltin::_S_load): Add 2035 constant_evaluated case. 2036 * include/experimental/bits/simd_fixed_size.h 2037 (_S_masked_load): Reword comment. 2038 (__tuple_element_meta, __make_meta, _SimdTuple::_M_apply_r) 2039 (_SimdTuple::_M_subscript_read, _SimdTuple::_M_subscript_write) 2040 (__make_simd_tuple, __optimize_simd_tuple, __extract_part) 2041 (__autocvt_to_simd, _Fixed::__traits::_SimdBase) 2042 (_Fixed::__traits::_SimdCastType, _SimdImplFixedSize): Add 2043 constexpr. 2044 (_SimdTuple::operator[], _M_set): Add constexpr and add 2045 constant_evaluated case. 2046 (_MaskImplFixedSize::_S_load): Add constant_evaluated case. 2047 * include/experimental/bits/simd_scalar.h: Add constexpr. 2048 * include/experimental/bits/simd_x86.h (_CommonImplX86): Add 2049 constexpr and add constant_evaluated case. 2050 (_SimdImplX86::_S_equal_to, _S_not_equal_to, _S_less) 2051 (_S_less_equal): Value-initialize to satisfy constexpr 2052 evaluation. 2053 (_MaskImplX86::_S_load): Add constant_evaluated case. 2054 (_MaskImplX86::_S_store): Add constexpr and constant_evaluated 2055 case. Value-initialize local variables. 2056 (_MaskImplX86::_S_logical_and, _S_logical_or, _S_bit_not) 2057 (_S_bit_and, _S_bit_or, _S_bit_xor): Add constant_evaluated 2058 case. 2059 * testsuite/experimental/simd/pr109261_constexpr_simd.cc: New 2060 test. 2061 2062 2023-05-23 Matthias Kretz <m.kretz (a] gsi.de> 2063 2064 Backported from master: 2065 2023-05-22 Matthias Kretz <m.kretz (a] gsi.de> 2066 2067 * include/experimental/bits/simd_builtin.h (_S_fpclassify): Move 2068 __infn into #ifdef'ed block. 2069 * testsuite/experimental/simd/tests/fpclassify.cc: Declare 2070 constants only when used. 2071 * testsuite/experimental/simd/tests/frexp.cc: Likewise. 2072 * testsuite/experimental/simd/tests/logarithm.cc: Likewise. 2073 * testsuite/experimental/simd/tests/trunc_ceil_floor.cc: 2074 Likewise. 2075 * testsuite/experimental/simd/tests/ldexp_scalbn_scalbln_modf.cc: 2076 Move totest and expect1 into #ifdef'ed block. 2077 2078 2023-05-23 Matthias Kretz <m.kretz (a] gsi.de> 2079 2080 Backported from master: 2081 2023-03-28 Matthias Kretz <m.kretz (a] gsi.de> 2082 2083 * include/experimental/bits/simd.h (is_simd_flag_type): New. 2084 (_IsSimdFlagType): New. 2085 (copy_from, copy_to, load ctors): Constrain _Flags using 2086 _IsSimdFlagType. 2087 2088 2023-05-23 Matthias Kretz <m.kretz (a] gsi.de> 2089 2090 Backported from master: 2091 2023-03-28 Matthias Kretz <m.kretz (a] gsi.de> 2092 2093 * include/experimental/bits/simd_x86.h (_SimdImplX86): Use 2094 _Base::_S_divides if the optimized _S_divides function is hidden 2095 via the preprocessor. 2096 2097 2023-05-23 Matthias Kretz <m.kretz (a] gsi.de> 2098 2099 Backported from master: 2100 2023-03-21 Matthias Kretz <m.kretz (a] gsi.de> 2101 2102 * include/experimental/bits/simd_detail.h: Don't declare the 2103 simd API as constexpr with Clang. 2104 * include/experimental/bits/simd_x86.h (__movm): New. 2105 (_S_blend_avx512): Resolve FIXME. Implement blend using __movm 2106 and ?:. 2107 (_SimdImplX86::_S_masked_unary): Clang does not implement the 2108 same builtins. Implement the function using __movm, ?:, and - 2109 operators on vector_size types instead. 2110 2111 2023-05-23 Matthias Kretz <m.kretz (a] gsi.de> 2112 2113 Backported from master: 2114 2023-02-24 Matthias Kretz <m.kretz (a] gsi.de> 2115 2116 * include/experimental/bits/simd.h: Line breaks and indenting 2117 fixed to follow the libstdc++ standard. 2118 * include/experimental/bits/simd_builtin.h: Likewise. 2119 * include/experimental/bits/simd_fixed_size.h: Likewise. 2120 * include/experimental/bits/simd_neon.h: Likewise. 2121 * include/experimental/bits/simd_ppc.h: Likewise. 2122 * include/experimental/bits/simd_scalar.h: Likewise. 2123 * include/experimental/bits/simd_x86.h: Likewise. 2124 2125 2023-05-23 Matthias Kretz <m.kretz (a] gsi.de> 2126 2127 Backported from master: 2128 2023-02-24 Matthias Kretz <m.kretz (a] gsi.de> 2129 2130 PR libstdc++/108030 2131 * include/experimental/bits/simd_fixed_size.h 2132 (_SimdImplFixedSize::_S_broadcast): Replace inline with 2133 _GLIBCXX_SIMD_INTRINSIC. 2134 (_SimdImplFixedSize::_S_generate): Likewise. 2135 (_SimdImplFixedSize::_S_load): Likewise. 2136 (_SimdImplFixedSize::_S_masked_load): Likewise. 2137 (_SimdImplFixedSize::_S_store): Likewise. 2138 (_SimdImplFixedSize::_S_masked_store): Likewise. 2139 (_SimdImplFixedSize::_S_min): Likewise. 2140 (_SimdImplFixedSize::_S_max): Likewise. 2141 (_SimdImplFixedSize::_S_complement): Likewise. 2142 (_SimdImplFixedSize::_S_unary_minus): Likewise. 2143 (_SimdImplFixedSize::_S_plus): Likewise. 2144 (_SimdImplFixedSize::_S_minus): Likewise. 2145 (_SimdImplFixedSize::_S_multiplies): Likewise. 2146 (_SimdImplFixedSize::_S_divides): Likewise. 2147 (_SimdImplFixedSize::_S_modulus): Likewise. 2148 (_SimdImplFixedSize::_S_bit_and): Likewise. 2149 (_SimdImplFixedSize::_S_bit_or): Likewise. 2150 (_SimdImplFixedSize::_S_bit_xor): Likewise. 2151 (_SimdImplFixedSize::_S_bit_shift_left): Likewise. 2152 (_SimdImplFixedSize::_S_bit_shift_right): Likewise. 2153 (_SimdImplFixedSize::_S_remquo): Add inline keyword (to be 2154 explicit about not always-inline, yet). 2155 (_SimdImplFixedSize::_S_isinf): Likewise. 2156 (_SimdImplFixedSize::_S_isfinite): Likewise. 2157 (_SimdImplFixedSize::_S_isnan): Likewise. 2158 (_SimdImplFixedSize::_S_isnormal): Likewise. 2159 (_SimdImplFixedSize::_S_signbit): Likewise. 2160 2161 2023-05-23 Matthias Kretz <m.kretz (a] gsi.de> 2162 2163 Backported from master: 2164 2023-02-24 Matthias Kretz <m.kretz (a] gsi.de> 2165 2166 PR libstdc++/108856 2167 * include/experimental/bits/simd_builtin.h 2168 (_SimdImplBuiltin::_S_masked_unary): More efficient 2169 implementation of masked inc-/decrement for integers and floats 2170 without AVX2. 2171 * include/experimental/bits/simd_x86.h 2172 (_SimdImplX86::_S_masked_unary): New. Use AVX512 masked subtract 2173 builtins for masked inc-/decrement. 2174 2175 2023-05-23 Matthias Kretz <m.kretz (a] gsi.de> 2176 2177 Backported from master: 2178 2023-02-23 Matthias Kretz <m.kretz (a] gsi.de> 2179 2180 * testsuite/experimental/simd/tests/reductions.cc: Introduce 2181 max_distance as the type-dependent max error. 2182 2183 2023-05-23 Matthias Kretz <m.kretz (a] gsi.de> 2184 2185 Backported from master: 2186 2023-02-23 Matthias Kretz <m.kretz (a] gsi.de> 2187 2188 PR libstdc++/108030 2189 * include/experimental/bits/simd_detail.h 2190 (_GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA): Define as empty for 2191 __clang__. 2192 2193 2023-05-23 Matthias Kretz <m.kretz (a] gsi.de> 2194 2195 Backported from master: 2196 2023-02-16 Matthias Kretz <m.kretz (a] gsi.de> 2197 2198 PR libstdc++/108030 2199 * include/experimental/bits/simd_detail.h: Define 2200 _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA. 2201 * include/experimental/bits/simd.h: Annotate lambdas with 2202 _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA. 2203 * include/experimental/bits/simd_builtin.h: Ditto. 2204 * include/experimental/bits/simd_converter.h: Ditto. 2205 * include/experimental/bits/simd_fixed_size.h: Ditto. 2206 * include/experimental/bits/simd_math.h: Ditto. 2207 * include/experimental/bits/simd_neon.h: Ditto. 2208 * include/experimental/bits/simd_x86.h: Ditto. 2209 2210 2023-05-16 Jonathan Wakely <jwakely (a] redhat.com> 2211 2212 Backported from master: 2213 2022-11-28 Jonathan Wakely <jwakely (a] redhat.com> 2214 2215 PR libstdc++/107801 2216 * src/c++17/memory_resource.cc (chunk::_M_bytes): Change type 2217 from uint32_t to bitset::size_type. Adjust static assertion. 2218 (__pool_resource::_Pool::replenish): Cast to size_t after 2219 multiplication instead of before. 2220 (__pool_resource::_M_alloc_pools): Ensure both arguments to 2221 std::max have type size_t. 2222 2223 2023-05-11 Jonathan Wakely <jwakely (a] redhat.com> 2224 2225 Backported from master: 2226 2022-11-16 Jonathan Wakely <jwakely (a] redhat.com> 2227 2228 * python/libstdcxx/v6/printers.py (StdExpAnyPrinter): Make 2229 expansion of std::string in manager name more robust. 2230 2231 2023-05-08 Release Manager 2232 2233 * GCC 12.3.0 released. 2234 2235 2023-05-03 Kefu Chai <kefu.chai (a] scylladb.com> 2236 2237 Backported from master: 2238 2023-05-03 Kefu Chai <kefu.chai (a] scylladb.com> 2239 Jonathan Wakely <jwakely (a] redhat.com> 2240 2241 PR libstdc++/109703 2242 * include/bits/basic_string.h (basic_string(Iter, Iter, Alloc)): 2243 Initialize _M_string_length. 2244 2245 2023-05-03 Jonathan Wakely <jwakely (a] redhat.com> 2246 2247 Backported from master: 2248 2023-04-28 Jonathan Wakely <jwakely (a] redhat.com> 2249 2250 * doc/doxygen/user.cfg.in (STRIP_FROM_PATH): Remove prefixes 2251 from header paths. 2252 2253 2023-04-29 Patrick Palka <ppalka (a] redhat.com> 2254 2255 Backported from master: 2256 2023-04-12 Patrick Palka <ppalka (a] redhat.com> 2257 2258 * include/std/ranges (lazy_split_view::_OuterIter::_OuterIter): 2259 Propagate _M_trailing_empty in the const-converting constructor 2260 as per LWG 3904. 2261 * testsuite/std/ranges/adaptors/lazy_split.cc (test12): New test. 2262 2263 2023-04-29 Patrick Palka <ppalka (a] redhat.com> 2264 2265 Backported from master: 2266 2023-03-14 Patrick Palka <ppalka (a] redhat.com> 2267 2268 * include/bits/stl_iterator.h (move_iterator::_S_iter_concept): 2269 Define. 2270 (__cpp_lib_move_iterator_concept): Define for C++20. 2271 (move_iterator::iterator_concept): Strengthen as per P2520R0. 2272 * include/std/version (__cpp_lib_move_iterator_concept): Define 2273 for C++20. 2274 * testsuite/24_iterators/move_iterator/p2520r0.cc: New test. 2275 2276 2023-04-29 Patrick Palka <ppalka (a] redhat.com> 2277 2278 Backported from master: 2279 2023-03-09 Patrick Palka <ppalka (a] redhat.com> 2280 2281 PR libstdc++/108362 2282 * include/std/ranges (__detail::__can_single_view): New concept. 2283 (_Single::operator()): Constrain it. Move [[nodiscard]] to the 2284 end of the function declarator. 2285 (__detail::__can_iota_view): New concept. 2286 (_Iota::operator()): Constrain it. Move [[nodiscard]] to the 2287 end of the function declarator. 2288 (__detail::__can_istream_view): New concept. 2289 (_Istream::operator()): Constrain it. Move [[nodiscard]] to the 2290 end of the function declarator. 2291 * testsuite/std/ranges/iota/lwg3292_neg.cc: Prune "in 2292 requirements" diagnostic. 2293 * testsuite/std/ranges/iota/iota_view.cc (test07): New test. 2294 * testsuite/std/ranges/istream_view.cc (test08): New test. 2295 * testsuite/std/ranges/single_view.cc (test07): New test. 2296 2297 2023-04-28 Patrick Palka <ppalka (a] redhat.com> 2298 2299 Backported from master: 2300 2023-04-24 Patrick Palka <ppalka (a] redhat.com> 2301 2302 * include/bits/max_size_type.h (__max_diff_type::operator>>=): 2303 Fix propagation of sign bit. 2304 * testsuite/std/ranges/iota/max_size_type.cc: Avoid using the 2305 non-standard 'signed typedef-name'. Add some compile-time tests 2306 for right-shifting a negative __max_diff_type value by more than 2307 one. 2308 2309 2023-04-27 Jonathan Wakely <jwakely (a] redhat.com> 2310 2311 * include/std/atomic: Add missing @endcond doxygen comment. 2312 2313 2023-04-27 Jonathan Wakely <jwakely (a] redhat.com> 2314 2315 Backported from master: 2316 2022-11-25 Jonathan Wakely <jwakely (a] redhat.com> 2317 2318 PR libstdc++/107850 2319 * include/bits/erase_if.h (__erase_nodes_if): Use non-const 2320 reference to the container. 2321 * include/experimental/map (erase_if): Likewise. 2322 * include/experimental/set (erase_if): Likewise. 2323 * include/experimental/unordered_map (erase_if): Likewise. 2324 * include/experimental/unordered_set (erase_if): Likewise. 2325 * include/std/map (erase_if): Likewise. 2326 * include/std/set (erase_if): Likewise. 2327 * include/std/unordered_map (erase_if): Likewise. 2328 * include/std/unordered_set (erase_if): Likewise. 2329 * testsuite/23_containers/map/erasure.cc: Check with 2330 const-incorrect predicate. 2331 * testsuite/23_containers/set/erasure.cc: Likewise. 2332 * testsuite/23_containers/unordered_map/erasure.cc: Likewise. 2333 * testsuite/23_containers/unordered_set/erasure.cc: Likewise. 2334 * testsuite/experimental/map/erasure.cc: Likewise. 2335 * testsuite/experimental/set/erasure.cc: Likewise. 2336 * testsuite/experimental/unordered_map/erasure.cc: Likewise. 2337 * testsuite/experimental/unordered_set/erasure.cc: Likewise. 2338 2339 2023-04-27 Jonathan Wakely <jwakely (a] redhat.com> 2340 2341 Backported from master: 2342 2022-11-28 Jonathan Wakely <jwakely (a] redhat.com> 2343 2344 * testsuite/26_numerics/random/subtract_with_carry_engine/cons/lwg3809.cc: 2345 Replace non-ASCII character. 2346 2347 2023-04-27 Jonathan Wakely <jwakely (a] redhat.com> 2348 2349 Backported from master: 2350 2023-02-28 Jonathan Wakely <jwakely (a] redhat.com> 2351 2352 PR libstdc++/108952 2353 * include/bits/uses_allocator_args.h 2354 (uses_allocator_construction_args): Implement LWG 3527. 2355 * testsuite/20_util/pair/astuple/get-2.cc: New test. 2356 * testsuite/20_util/scoped_allocator/108952.cc: New test. 2357 * testsuite/20_util/uses_allocator/lwg3527.cc: New test. 2358 2359 2023-04-27 Jonathan Wakely <jwakely (a] redhat.com> 2360 2361 Backported from master: 2362 2023-03-31 Jonathan Wakely <jwakely (a] redhat.com> 2363 2364 PR libstdc++/109339 2365 * include/std/stop_token (_Stop_state_ptr(const stop_source&)): 2366 Add attribute access with access-mode 'none'. 2367 * testsuite/30_threads/stop_token/stop_source/109339.cc: New test. 2368 2369 2023-04-27 Jonathan Wakely <jwakely (a] redhat.com> 2370 2371 Backported from master: 2372 2022-11-28 Jonathan Wakely <jwakely (a] redhat.com> 2373 2374 PR libstdc++/107466 2375 * include/bits/random.h (subtract_with_carry_engine): Use 32-bit 2376 type for default seed. Use 0u as default argument for 2377 subtract_with_carry_engine(result_type) constructor and 2378 seed(result_type) member function. 2379 * include/bits/random.tcc (subtract_with_carry_engine): Use 2380 32-bit type for default seed and engine used for initial state. 2381 * testsuite/26_numerics/random/subtract_with_carry_engine/cons/lwg3809.cc: 2382 New test. 2383 2384 2023-04-27 Jonathan Wakely <jwakely (a] redhat.com> 2385 2386 Backported from master: 2387 2023-04-27 Jonathan Wakely <jwakely (a] redhat.com> 2388 2389 * include/bits/mofunc_impl.h: Fix typo in doxygen comment. 2390 2391 2023-04-27 Jonathan Wakely <jwakely (a] redhat.com> 2392 2393 Backported from master: 2394 2023-04-27 Jonathan Wakely <jwakely (a] redhat.com> 2395 2396 * doc/doxygen/user.cfg.in (SOURCE_BROWSER): Only set to YES for 2397 HTML docs. 2398 * include/bits/gslice_array.h (_DEFINE_VALARRAY_OPERATOR): Omit 2399 from doxygen docs. 2400 * include/bits/indirect_array.h (_DEFINE_VALARRAY_OPERATOR): 2401 Likewise. 2402 * include/bits/mask_array.h (_DEFINE_VALARRAY_OPERATOR): 2403 Likewise. 2404 * include/bits/slice_array.h (_DEFINE_VALARRAY_OPERATOR): 2405 Likewise. 2406 * include/std/valarray (_DEFINE_VALARRAY_UNARY_OPERATOR) 2407 (_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT) 2408 (_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT) 2409 (_DEFINE_BINARY_OPERATOR): Likewise. 2410 2411 2023-04-21 Jonathan Wakely <jwakely (a] redhat.com> 2412 2413 PR libstdc++/103755 2414 * include/bits/locale_classes.tcc (try_facet, use_facet): Do not 2415 check array index or dynamic type when accessing required 2416 specializations of std::ctype, std::num_get, or std::num_put. 2417 * testsuite/22_locale/ctype/is/string/89728_neg.cc: Adjust 2418 expected errors. 2419 2420 2023-04-20 Jonathan Wakely <jwakely (a] redhat.com> 2421 2422 Backported from master: 2423 2022-11-29 Jonathan Wakely <jwakely (a] redhat.com> 2424 2425 PR libstdc++/107852 2426 PR libstdc++/106199 2427 PR libstdc++/100366 2428 * include/bits/vector.tcc (vector::_M_fill_insert): Copy 2429 _M_start and _M_finish members before allocating. 2430 (vector::_M_default_append): Likewise. 2431 (vector::_M_range_insert): Likewise. 2432 2433 2023-04-20 Jonathan Wakely <jwakely (a] redhat.com> 2434 2435 Backported from master: 2436 2023-04-04 Jonathan Wakely <jwakely (a] redhat.com> 2437 2438 * doc/xml/manual/extensions.xml: Remove std::bad_exception from 2439 example program. 2440 * doc/html/manual/ext_demangling.html: Regenerate. 2441 2442 2023-04-20 Jonathan Wakely <jwakely (a] redhat.com> 2443 2444 Backported from master: 2445 2023-04-05 Jonathan Wakely <jwakely (a] redhat.com> 2446 2447 * include/bits/regex.h (sub_match::swap): New function. 2448 * testsuite/28_regex/sub_match/lwg3204.cc: New test. 2449 2450 2023-04-20 Jonathan Wakely <jwakely (a] redhat.com> 2451 2452 Backported from master: 2453 2023-03-28 Jonathan Wakely <jwakely (a] redhat.com> 2454 2455 PR libstdc++/103387 2456 * include/bits/istream.tcc (istream::_M_extract(ValueT&)): Use 2457 std::use_facet instead of cached _M_num_get facet. 2458 (istream::operator>>(short&)): Likewise. 2459 (istream::operator>>(int&)): Likewise. 2460 * include/bits/ostream.tcc (ostream::_M_insert(ValueT)): Use 2461 std::use_facet instead of cached _M_num_put facet. 2462 2463 2023-04-20 Jonathan Wakely <jwakely (a] redhat.com> 2464 2465 Backported from master: 2466 2023-01-15 Jonathan Wakely <jwakely (a] redhat.com> 2467 2468 * testsuite/30_threads/jthread/jthread.cc: Remove -pthread from 2469 dg-options. 2470 2471 2023-04-20 Jonathan Wakely <jwakely (a] redhat.com> 2472 2473 Backported from master: 2474 2023-03-22 Jonathan Wakely <jwakely (a] redhat.com> 2475 2476 * include/bits/shared_ptr_atomic.h (atomic::operator=(nullptr_t)): 2477 Add overload, as per LWG 3893. 2478 * testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc: 2479 Check assignment from nullptr. 2480 2481 2023-04-20 Jonathan Wakely <jwakely (a] redhat.com> 2482 2483 Backported from master: 2484 2023-03-29 Jonathan Wakely <jwakely (a] redhat.com> 2485 2486 * include/std/expected (expected::value() &): Use const lvalue 2487 for unex member passed to bad_expected_access constructor, as 2488 per LWG 3843. 2489 2490 2023-04-20 Jonathan Wakely <jwakely (a] redhat.com> 2491 2492 Backported from master: 2493 2023-02-02 Jonathan Wakely <jwakely (a] redhat.com> 2494 2495 * include/std/variant (variant::operator=): Implement resolution 2496 of LWG 3585. 2497 * testsuite/20_util/variant/lwg3585.cc: New test. 2498 2499 2023-04-12 Patrick Palka <ppalka (a] redhat.com> 2500 2501 Backported from master: 2502 2023-04-12 Patrick Palka <ppalka (a] redhat.com> 2503 2504 * src/c++17/floating_from_chars.cc: Include <algorithm>, 2505 <iterator>, <limits> and <cstdint>. 2506 2507 2023-03-30 Jonathan Wakely <jwakely (a] redhat.com> 2508 2509 Backported from master: 2510 2023-03-29 Jonathan Wakely <jwakely (a] redhat.com> 2511 2512 PR libstdc++/109242 2513 * include/std/optional (transform): Use std::remove_cv_t. 2514 * testsuite/20_util/optional/monadic/pr109242.cc: New test. 2515 2516 2023-03-28 Jonathan Wakely <jwakely (a] redhat.com> 2517 2518 Backported from master: 2519 2022-12-16 Jonathan Wakely <jwakely (a] redhat.com> 2520 2521 PR libstdc++/108118 2522 * include/bits/shared_ptr_base.h (weak_ptr::operator=): 2523 Implement as move-and-swap exactly as specified in the standard. 2524 * testsuite/20_util/weak_ptr/cons/self_move.cc: New test. 2525 2526 2023-03-28 Jonathan Wakely <jwakely (a] redhat.com> 2527 2528 Backported from master: 2529 2022-11-03 Jonathan Wakely <jwakely (a] redhat.com> 2530 2531 * include/bits/ranges_algobase.h (__detail::__copy_or_move): 2532 Move output iterator. 2533 * testsuite/25_algorithms/copy/constrained.cc: Check copying to 2534 move-only output iterator. 2535 2536 2023-03-28 Bjrn Schpers <bjoern (a] hazardy.de> 2537 2538 Backported from master: 2539 2023-01-14 Bjrn Schpers <bjoern (a] hazardy.de> 2540 2541 * include/std/stacktrace (stacktrace_entry::_S_demangle): Use 2542 raw __name if __cxa_demangle could not demangle it. 2543 2544 2023-03-28 Jonathan Wakely <jwakely (a] redhat.com> 2545 2546 Backported from master: 2547 2022-12-12 Jonathan Wakely <jwakely (a] redhat.com> 2548 2549 * include/std/stacktrace (operator<<): Only output to narrow 2550 ostreams (LWG 3515). 2551 * testsuite/19_diagnostics/stacktrace/synopsis.cc: 2552 2553 2023-03-28 Jonathan Wakely <jwakely (a] redhat.com> 2554 2555 Backported from master: 2556 2022-12-09 Jonathan Wakely <jwakely (a] redhat.com> 2557 2558 * include/bits/chrono.h (duration_cast, floor, round, abs, ceil) 2559 (time_point_cast): Add [[nodiscard]] attribute and doxygen 2560 comments. 2561 (treat_as_floating_point): Add doxygen commen. 2562 2563 2023-03-28 Jonathan Wakely <jwakely (a] redhat.com> 2564 2565 Backported from master: 2566 2022-12-09 Jonathan Wakely <jwakely (a] redhat.com> 2567 2568 * include/bits/chrono.h (duration, time_point): Change 'struct' 2569 to 'class'. 2570 2571 2023-03-28 Jonathan Wakely <jwakely (a] redhat.com> 2572 2573 Backported from master: 2574 2023-01-26 Jonathan Wakely <jwakely (a] redhat.com> 2575 2576 PR libstdc++/108554 2577 * include/bits/stl_tree.h (_Rb_tree_insert_and_rebalance): Add 2578 nonnull attribute. 2579 (_Rb_tree_rebalance_for_erase): Add nonnull and returns_nonnull 2580 attributes. 2581 * testsuite/23_containers/map/modifiers/108554.cc: New test. 2582 2583 2023-03-28 Jonathan Wakely <jwakely (a] redhat.com> 2584 2585 Backported from master: 2586 2022-09-23 Jonathan Wakely <jwakely (a] redhat.com> 2587 2588 * include/std/bitset (bitset::_M_copy_to_string): Find set bits 2589 instead of iterating over individual bits. 2590 2591 2023-03-28 Jonathan Wakely <jwakely (a] redhat.com> 2592 2593 Backported from master: 2594 2022-09-15 Jonathan Wakely <jwakely (a] redhat.com> 2595 2596 * include/bits/shared_ptr_atomic.h (_GLIBCXX_TSAN_MUTEX_PRE_LOCK): 2597 Replace with ... 2598 (_GLIBCXX_TSAN_MUTEX_TRY_LOCK): ... this, add try_lock flag. 2599 (_GLIBCXX_TSAN_MUTEX_TRY_LOCK_FAILED): New macro using 2600 try_lock_failed flag 2601 (_GLIBCXX_TSAN_MUTEX_POST_LOCK): Rename to ... 2602 (_GLIBCXX_TSAN_MUTEX_LOCKED): ... this. 2603 (_GLIBCXX_TSAN_MUTEX_PRE_UNLOCK): Remove invalid flag. 2604 (_GLIBCXX_TSAN_MUTEX_POST_UNLOCK): Remove invalid flag. 2605 (_Sp_atomic::_Atomic_count::lock): Use new macros. 2606 2607 2023-03-28 Jonathan Wakely <jwakely (a] redhat.com> 2608 2609 Backported from master: 2610 2022-09-14 Jonathan Wakely <jwakely (a] redhat.com> 2611 2612 * include/bits/shared_ptr_atomic.h (_GLIBCXX_TSAN_MUTEX_DESTROY) 2613 (_GLIBCXX_TSAN_MUTEX_PRE_LOCK, _GLIBCXX_TSAN_MUTEX_POST_LOCK) 2614 (_GLIBCXX_TSAN_MUTEX_PRE_UNLOCK, _GLIBCXX_TSAN_MUTEX_POST_UNLOCK) 2615 (_GLIBCXX_TSAN_MUTEX_PRE_SIGNAL, _GLIBCXX_TSAN_MUTEX_POST_SIGNAL): 2616 Define macros for TSan annotation functions. 2617 (_Sp_atomic::_Atomic_count): Add annotations. 2618 2619 2023-03-28 Jonathan Wakely <jwakely (a] redhat.com> 2620 2621 Backported from master: 2622 2022-05-17 Jonathan Wakely <jwakely (a] redhat.com> 2623 2624 * include/std/memory_resource (new_delete_resource): Add 2625 nodiscard, returns_nonnull and const attributes. 2626 (null_memory_resource): Likewise. 2627 (set_default_resource, get_default_resource): Add returns_nonnull 2628 attribute. 2629 (memory_resource::is_equal): Add nodiscard attribute. 2630 (operator==, operator!=): Likewise. 2631 2632 2023-03-28 Jonathan Wakely <jwakely (a] redhat.com> 2633 2634 Backported from master: 2635 2022-09-14 Jonathan Wakely <jwakely (a] redhat.com> 2636 2637 * include/std/future 2638 (_State_baseV2::__setter(exception_ptr&, promise&)): Add 2639 assertion for LWG 2276 precondition. 2640 * testsuite/30_threads/promise/members/set_exception_neg.cc: 2641 New test. 2642 2643 2023-03-28 Jonathan Wakely <jwakely (a] redhat.com> 2644 2645 Backported from master: 2646 2022-09-08 Jonathan Wakely <jwakely (a] redhat.com> 2647 2648 * include/c_global/cstddef (byte): Add always_inline attribute 2649 to all operator overloads. 2650 (to_integer): Add always_inline attribute. 2651 2652 2023-03-28 Jonathan Wakely <jwakely (a] redhat.com> 2653 2654 Backported from master: 2655 2022-09-08 Jonathan Wakely <jwakely (a] redhat.com> 2656 2657 * include/std/system_error (__adl_only::make_error_code): Add 2658 deleted function. 2659 (__adl_only::make_error_condition): Likewise. 2660 (error_code::error_code(ErrorCodeEnum)): Add using-declaration 2661 for deleted function. 2662 (error_condition::error_condition(ErrorConditionEnum)): 2663 Likewise. 2664 * testsuite/19_diagnostics/error_code/cons/lwg3629.cc: New test. 2665 * testsuite/19_diagnostics/error_condition/cons/lwg3629.cc: New test. 2666 2667 2023-03-28 Jonathan Wakely <jwakely (a] redhat.com> 2668 2669 Backported from master: 2670 2022-05-17 Jonathan Wakely <jwakely (a] redhat.com> 2671 2672 * include/bits/ios_base.h (io_category): Add const and nodiscard 2673 attributes. 2674 (make_error_code, make_error_condition): Add nodiscard. 2675 * include/std/future (future_category): Add const and nodiscard. 2676 (make_error_code, make_error_condition): Add nodiscard. 2677 * include/std/system_error (generic_category system_category): 2678 Add nodiscard. Replace _GLIBCXX_CONST with C++11 attribute. 2679 (error_code::value, error_code::category, error_code::operator bool) 2680 (error_condition::value, error_condition::category) 2681 (error_condition::operator bool, make_error_code) 2682 (make_error_condition, operator==, operator!=, operator<=>): Add 2683 nodiscard. 2684 2685 2023-03-28 Jonathan Wakely <jwakely (a] redhat.com> 2686 2687 Backported from master: 2688 2022-05-13 Jonathan Wakely <jwakely (a] redhat.com> 2689 2690 * include/bits/std_thread.h (thread, thread::id): Improve 2691 doxygen docs. 2692 * include/std/future: Likewise. 2693 * include/std/thread (jthread): Likewise. 2694 2695 2023-03-28 Jonathan Wakely <jwakely (a] redhat.com> 2696 2697 Backported from master: 2698 2022-05-13 Jonathan Wakely <jwakely (a] redhat.com> 2699 2700 * include/std/system_error: Improve doxygen comments. 2701 2702 2023-03-28 Jonathan Wakely <jwakely (a] redhat.com> 2703 2704 Backported from master: 2705 2023-02-16 Jonathan Wakely <jwakely (a] redhat.com> 2706 2707 * include/ext/throw_allocator.h: Use reserved names for 2708 parameters. 2709 2710 2023-03-28 Jonathan Wakely <jwakely (a] redhat.com> 2711 2712 Backported from master: 2713 2022-11-25 Jonathan Wakely <jwakely (a] redhat.com> 2714 2715 * acinclude.m4 (GLIBCXX_CHECK_UCHAR_H): Don't use AC_MSG_RESULT 2716 unless the AC_MSG_CHECKING happened. 2717 * configure: Regenerate. 2718 2719 2023-03-28 Jonathan Wakely <jwakely (a] redhat.com> 2720 2721 Backported from master: 2722 2023-01-12 Jonathan Wakely <jwakely (a] redhat.com> 2723 2724 * doc/xml/manual/abi.xml: Add latest library versions. 2725 * doc/html/manual/abi.html: Regenerate. 2726 2727 2023-03-28 Jonathan Wakely <jwakely (a] redhat.com> 2728 2729 Backported from master: 2730 2023-03-28 Jonathan Wakely <jwakely (a] redhat.com> 2731 2732 * include/bits/char_traits.h (char_traits::copy): Return without 2733 using memcpy if n==0. 2734 (char_traits::assign): Likewise for memset. 2735 2736 2023-03-28 Jonathan Wakely <jwakely (a] redhat.com> 2737 2738 Backported from master: 2739 2023-03-28 Jonathan Wakely <jwakely (a] redhat.com> 2740 2741 PR libstdc++/109299 2742 * include/bits/basic_string.h (basic_string::_M_is_local()): Add 2743 hint for compiler that local strings fit in the local buffer. 2744 2745 2023-03-28 Jonathan Wakely <jwakely (a] redhat.com> 2746 2747 Backported from master: 2748 2023-03-01 Jonathan Wakely <jwakely (a] redhat.com> 2749 2750 * include/bits/cow_string.h: Fix typo in comment. 2751 2752 2023-03-28 Jonathan Wakely <jwakely (a] redhat.com> 2753 2754 Backported from master: 2755 2023-02-16 Jonathan Wakely <jwakely (a] redhat.com> 2756 2757 * include/experimental/optional: Fix header name in comment. 2758 2759 2023-03-28 Jonathan Wakely <jwakely (a] redhat.com> 2760 2761 Backported from master: 2762 2023-01-16 Jonathan Wakely <jwakely (a] redhat.com> 2763 2764 PR libstdc++/108413 2765 * include/c_compatibility/stdatomic.h: Change copyright line to 2766 be consistent with other headers contributed under DCO terms. 2767 * include/std/expected: Add full stop to copyright line. 2768 2769 2023-03-21 Matthias Kretz <m.kretz (a] gsi.de> 2770 2771 Backported from master: 2772 2023-03-21 Matthias Kretz <m.kretz (a] gsi.de> 2773 2774 * include/experimental/bits/simd_x86.h 2775 (_SimdImplX86::_S_divides): Replace test for __GCC_IEC_559 == 0 2776 with __RECIPROCAL_MATH__. 2777 2778 2023-03-21 Matthias Kretz <m.kretz (a] gsi.de> 2779 2780 Backported from master: 2781 2023-03-21 Matthias Kretz <m.kretz (a] gsi.de> 2782 2783 * include/experimental/bits/simd_detail.h: Don't define 2784 _GLIBCXX_SIMD_WORKAROUND_PR90993 for Clang. 2785 * include/experimental/bits/simd_x86.h (_S_divides): Remove 2786 check for __clang__. 2787 2788 2023-03-21 Matthias Kretz <m.kretz (a] gsi.de> 2789 2790 Backported from master: 2791 2023-03-21 Matthias Kretz <m.kretz (a] gsi.de> 2792 2793 * testsuite/experimental/simd/tests/operators.cc: Clang doesn't 2794 define __GCC_IEC_559. Use __STDC_IEC_559__ instead. 2795 2796 2023-03-20 Franois Dumont <fdumont (a] gcc.gnu.org> 2797 2798 Backported from master: 2799 2022-11-16 Franois Dumont <fdumont (a] gcc.gnu.org> 2800 2801 * python/libstdcxx/v6/printers.py (FilteringTypePrinter): Rename 'match' field 2802 'template'. Add self.targ1 to specify the first template parameter of the instantiation 2803 to match. 2804 (add_one_type_printer): Add targ1 optional parameter, default to None. 2805 Use gdb.types.get_basic_type to compare the type to recognize and the type 2806 returned from the typedef lookup. 2807 (register_type_printers): Adapt calls to add_one_type_printers. 2808 2809 2023-03-20 Franois Dumont <fdumont (a] gcc.gnu.org> 2810 2811 Backported from master: 2812 2022-10-03 Franois Dumont <fdumont (a] gcc.gnu.org> 2813 2814 * python/libstdcxx/v6/printers.py (Printer.add_version): Do not add version 2815 namespace for __cxx11 symbols. 2816 (add_one_template_type_printer): Likewise. 2817 (add_one_type_printer): Likewise. 2818 (FilteringTypePrinter._recognizer.recognize): Add a workaround for std::string & al 2819 ambiguous typedef matching both std:: and std::__cxx11:: symbols. 2820 * testsuite/libstdc++-prettyprinters/cxx17.cc: Remove obsolete 2821 \#define _GLIBCXX_USE_CXX11_ABI 0. 2822 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise. Adapt test to accept 2823 std::__cxx11::list. 2824 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise. 2825 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise. 2826 * testsuite/libstdc++-prettyprinters/80276.cc: Likewise and remove xfail for c++20 2827 and debug mode. 2828 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise. 2829 2830 2023-03-20 Franois Dumont <fdumont (a] gcc.gnu.org> 2831 2832 Backported from master: 2833 2022-09-22 Franois Dumont <fdumont (a] gcc.gnu.org> 2834 2835 * python/libstdcxx/v6/printers.py: Remove ptinter registration for non-existing 2836 types std::__debug::unique_ptr, std::__debug::stack, std::__debug::queue, 2837 std::__debug::priority_queue. 2838 2839 2023-03-20 Jonathan Wakely <jwakely (a] redhat.com> 2840 2841 Backported from master: 2842 2023-03-10 Jonathan Wakely <jwakely (a] redhat.com> 2843 2844 PR libstdc++/109064 2845 * python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker): 2846 Remove self-recursion in __init__. Add missing _supports. 2847 * testsuite/libstdc++-xmethods/shared_ptr.cc: Check use_count() 2848 and unique(). 2849 2850 2023-03-20 Jonathan Wakely <jwakely (a] redhat.com> 2851 2852 PR libstdc++/109182 2853 * include/std/expected (expected<void>::expected(in_place_t)): 2854 Remove template-head. 2855 2856 2023-03-20 Jonathan Wakely <jwakely (a] redhat.com> 2857 2858 PR libstdc++/109165 2859 * include/std/coroutine (hash<>::operator()): Add const. 2860 * testsuite/18_support/coroutines/hash.cc: New test. 2861 2862 2023-03-10 Thomas W Rodgers <rodgert (a] twrodgers.com> 2863 2864 Backported from master: 2865 2023-02-14 Thomas W Rodgers <rodgert (a] twrodgers.com> 2866 2867 PR libstdc++/103934 2868 * include/std/atomic (atomic_flag_wait): Add. 2869 (atomic_flag_wait_explicit): Add. 2870 (atomic_flag_notify): Add. 2871 (atomic_flag_notify_explicit): Add. 2872 * testsuite/29_atomics/atomic_flag/wait_notify/1.cc: 2873 Add test case to cover missing atomic_flag free functions. 2874 2875 2023-02-23 Matthias Kretz <m.kretz (a] gsi.de> 2876 2877 Backported from master: 2878 2023-02-23 Matthias Kretz <m.kretz (a] gsi.de> 2879 2880 PR libstdc++/108030 2881 * include/experimental/bits/simd.h (__vector_broadcast): 2882 Implement via __vector_broadcast_impl instead of 2883 __call_with_n_evaluations + 2 lambdas. 2884 (__vector_broadcast_impl): New. 2885 2886 2023-02-23 Matthias Kretz <m.kretz (a] gsi.de> 2887 2888 Backported from master: 2889 2023-02-23 Matthias Kretz <m.kretz (a] gsi.de> 2890 2891 * include/experimental/bits/simd_builtin.h (_S_set): Compare as 2892 int. The actual range of these indexes is very small. 2893 2894 2023-02-23 Matthias Kretz <m.kretz (a] gsi.de> 2895 2896 Backported from master: 2897 2023-02-23 Matthias Kretz <m.kretz (a] gsi.de> 2898 2899 * include/experimental/bits/simd_x86.h (_S_bit_shift_left) 2900 (_S_bit_shift_right): Declare constexpr. The implementation was 2901 already expecting constexpr evaluation. 2902 2903 2023-02-23 Matthias Kretz <m.kretz (a] gsi.de> 2904 2905 Backported from master: 2906 2023-02-20 Matthias Kretz <m.kretz (a] gsi.de> 2907 2908 * include/experimental/bits/simd.h (__extract_part, split): 2909 Use reserved name for template parameter. 2910 2911 2023-02-21 Jonathan Wakely <jwakely (a] redhat.com> 2912 2913 Backported from master: 2914 2022-08-31 Jonathan Wakely <jwakely (a] redhat.com> 2915 2916 * include/bits/refwrap.h (reference_wrapper::operator()): Add 2917 noexcept-specifier and use __invoke_result instead of result_of. 2918 * testsuite/20_util/reference_wrapper/invoke-noexcept.cc: New test. 2919 2920 2023-02-21 Jonathan Wakely <jwakely (a] redhat.com> 2921 2922 Backported from master: 2923 2023-02-02 Jonathan Wakely <jwakely (a] redhat.com> 2924 2925 PR libstdc++/108636 2926 * include/bits/fs_path.h (path::path(string_view, _Type)) 2927 (path::_Cmpt::_Cmpt(string_view, _Type, size_t)): Move inline 2928 definitions to ... 2929 * src/c++17/fs_path.cc: ... here. 2930 * testsuite/27_io/filesystem/path/108636.cc: New test. 2931 2932 2023-02-16 Matthias Kretz <m.kretz (a] gsi.de> 2933 2934 Backported from master: 2935 2023-02-16 Matthias Kretz <m.kretz (a] gsi.de> 2936 2937 * include/experimental/bits/simd_math.h (__hypot): Bitcasting 2938 between scalars requires the __bit_cast helper function instead 2939 of simd_bit_cast. 2940 2941 2023-02-16 Matthias Kretz <m.kretz (a] gsi.de> 2942 2943 Backported from master: 2944 2023-02-16 Matthias Kretz <m.kretz (a] gsi.de> 2945 2946 * include/experimental/bits/simd_x86.h 2947 (_SimdImplX86::_S_not_equal_to, _SimdImplX86::_S_less) 2948 (_SimdImplX86::_S_less_equal): Do not call 2949 __builtin_is_constant_evaluated in constexpr-if. 2950 2951 2023-02-16 Matthias Kretz <m.kretz (a] gsi.de> 2952 2953 Backported from master: 2954 2023-02-16 Matthias Kretz <m.kretz (a] gsi.de> 2955 2956 * testsuite/experimental/simd/tests/bits/verify.h 2957 (verify::verify): Use %zx for size_t in format string. 2958 2959 2023-02-16 Matthias Kretz <m.kretz (a] gsi.de> 2960 2961 Backported from master: 2962 2023-02-16 Matthias Kretz <m.kretz (a] gsi.de> 2963 2964 * testsuite/experimental/simd/README.md: Document the timeout 2965 and timeout-factor directives. Minor typo fixed. 2966 2967 2023-02-16 Matthias Kretz <m.kretz (a] gsi.de> 2968 2969 Backported from master: 2970 2023-02-16 Matthias Kretz <m.kretz (a] gsi.de> 2971 2972 * include/experimental/bits/simd.h 2973 (_SimdWrapper::_M_is_constprop_none_of) 2974 (_SimdWrapper::_M_is_constprop_all_of): Return false unless the 2975 computed result still satisfies __builtin_constant_p. 2976 2977 2023-02-14 Thomas W Rodgers <rodgert (a] twrodgers.com> 2978 2979 Backported from master: 2980 2023-02-14 Thomas W Rodgers <rodgert (a] twrodgers.com> 2981 2982 PR libstdc++/103934 2983 * include/std/atomic (atomic_flag_test): Add. 2984 (atomic_flag_test_explicit): Add. 2985 * testsuite/29_atomics/atomic_flag/test/explicit.cc: Add 2986 test case to cover missing atomic_flag free functions. 2987 * testsuite/29_atomics/atomic_flag/test/implicit.cc: 2988 Likewise. 2989 2990 2023-02-10 Jakub Jelinek <jakub (a] redhat.com> 2991 2992 Backported from master: 2993 2022-11-24 Jakub Jelinek <jakub (a] redhat.com> 2994 2995 PR libstdc++/107468 2996 * src/c++17/fast_float/fast_float.h: Partial merge from fast_float 2997 2ef9abbcf6a11958b6fa685a89d0150022e82e78 commit. 2998 2999 2023-02-10 Jakub Jelinek <jakub (a] redhat.com> 3000 3001 Backported from master: 3002 2022-11-07 Jakub Jelinek <jakub (a] redhat.com> 3003 3004 PR libstdc++/107468 3005 * src/c++17/fast_float/fast_float.h: Partial merge from fast_float 3006 662497742fea7055f0e0ee27e5a7ddc382c2c38e commit. 3007 * testsuite/20_util/from_chars/pr107468.cc: New test. 3008 3009 2023-02-02 Jonathan Wakely <jwakely (a] redhat.com> 3010 3011 Backported from master: 3012 2023-02-01 Jonathan Wakely <jwakely (a] redhat.com> 3013 3014 * src/c++11/random.cc (random_device::_M_fini): Do not try to 3015 close the file handle if the target doesn't support the 3016 /dev/random and /dev/urandom files. 3017 3018 2023-02-02 Jonathan Wakely <jwakely (a] redhat.com> 3019 3020 Backported from master: 3021 2023-02-01 Jonathan Wakely <jwakely (a] redhat.com> 3022 3023 * config/os/generic/error_constants.h (errc::value_too_large) 3024 [__AVR__]: Define. 3025 * src/c++11/system_error.cc 3026 (system_category::default_error_condition) [__AVR__]: Only match 3027 recognize values equal to EDOM, ERANGE, ENOSYS and EINTR. 3028 * src/c++17/fs_ops.cc (fs::current_path) [__AVR__]: Do not check 3029 for ENOENT etc. in switch. 3030 (fs::remove_all) [__AVR__]: Likewise. 3031 * src/filesystem/ops-common.h [__AVR__]: Do not use POSIX open, 3032 close etc. 3033 3034 2023-02-02 Patrick Palka <ppalka (a] redhat.com> 3035 3036 Backported from master: 3037 2022-11-06 Patrick Palka <ppalka (a] redhat.com> 3038 3039 * include/bits/atomic_wait.h (_detail::__platform_wait_alignment): 3040 Declare inline. Remove redundant static specifier. 3041 (__detail::__atomic_spin_count_relax): Declare inline. 3042 (__detail::__atomic_spin_count): Likewise. 3043 * include/bits/regex_automaton.h (__detail::_S_invalid_state_id): 3044 Declare inline for C++17. Declare constexpr. Remove 3045 redundant const and static specifiers. 3046 * include/bits/regex_error.h (regex_constants::error_collate): 3047 Declare inline for C++17 as per P0607R0. 3048 (regex_constants::error_ctype): Likewise. 3049 (regex_constants::error_escape): Likewise. 3050 (regex_constants::error_backref): Likewise. 3051 (regex_constants::error_brack): Likewise. 3052 (regex_constants::error_paren): Likewise. 3053 (regex_constants::error_brace): Likewise. 3054 (regex_constants::error_badbrace): Likewise. 3055 (regex_constants::error_range): Likewise. 3056 (regex_constants::error_space): Likewise. 3057 (regex_constants::error_badrepeat): Likewise. 3058 (regex_constants::error_complexity): Likewise. 3059 (regex_constants::error_stack): Likewise. 3060 * include/ext/concurrence.h (__gnu_cxx::__default_lock_policy): 3061 Likewise. Remove redundant static specifier. 3062 * include/pstl/execution_defs.h (execution::seq): Declare inline 3063 for C++17 as per P0607R0. 3064 (execution::par): Likewise. 3065 (execution::par_unseq): Likewise. 3066 (execution::unseq): Likewise. 3067 3068 2023-01-18 Jonathan Wakely <jwakely (a] redhat.com> 3069 3070 Backported from master: 3071 2022-12-22 Jonathan Wakely <jwakely (a] redhat.com> 3072 3073 PR libstdc++/105730 3074 * src/c++11/compatibility-condvar.cc (__nothrow_wait_cv::wait): 3075 Access private data member of base class and call its wait 3076 member. 3077 3078 2023-01-16 Jonathan Wakely <jwakely (a] redhat.com> 3079 3080 Backported from master: 3081 2022-08-04 Jonathan Wakely <jwakely (a] redhat.com> 3082 3083 PR libstdc++/106183 3084 * include/bits/atomic_wait.h (__waiter_pool_base::_M_notify): 3085 Move increment of _M_ver here. 3086 [!_GLIBCXX_HAVE_PLATFORM_WAIT]: Lock mutex around increment. 3087 Use relaxed memory order and always notify all waiters. 3088 (__waiter_base::_M_do_wait) [!_GLIBCXX_HAVE_PLATFORM_WAIT]: 3089 Check value again after locking mutex. 3090 (__waiter_base::_M_notify): Remove increment of _M_ver. 3091 3092 2023-01-05 Jonathan Wakely <jwakely (a] redhat.com> 3093 3094 Backported from master: 3095 2023-01-05 Jonathan Wakely <jwakely (a] redhat.com> 3096 3097 PR libstdc++/108265 3098 * include/std/chrono (hh_mm_ss): Do not use chrono::abs if 3099 duration rep is unsigned. Remove incorrect noexcept-specifier. 3100 * testsuite/std/time/hh_mm_ss/1.cc: Check unsigned rep. Check 3101 floating-point representations. Check default construction. 3102 3103 2022-12-21 Jonathan Wakely <jwakely (a] redhat.com> 3104 3105 Backported from master: 3106 2022-11-23 Jonathan Wakely <jwakely (a] redhat.com> 3107 3108 PR libstdc++/107814 3109 * testsuite/experimental/filesystem/iterators/error_reporting.cc: 3110 Use a static buffer with space after it. 3111 3112 2022-12-21 Jonathan Wakely <jwakely (a] redhat.com> 3113 3114 Backported from master: 3115 2022-12-16 Jonathan Wakely <jwakely (a] redhat.com> 3116 3117 * include/std/expected (expected::_M_swap_val_unex): Guard the 3118 correct object. 3119 (expected::swap): Move is_swappable 3120 requirement from static_assert to constraint. 3121 (swap): Likewise. 3122 (operator==): Remove noexcept-specifier. 3123 * testsuite/20_util/expected/swap.cc: Check swapping of 3124 types without non-throwing move constructor. Check constraints 3125 on swap. 3126 * testsuite/20_util/expected/unexpected.cc: Check constraints on 3127 swap. 3128 * testsuite/20_util/expected/equality.cc: New test. 3129 3130 2022-12-14 Jonathan Wakely <jwakely (a] redhat.com> 3131 3132 Backported from master: 3133 2022-12-14 Jonathan Wakely <jwakely (a] redhat.com> 3134 3135 PR libstdc++/108097 3136 * include/std/stacktrace (basic_stracktrace::_Impl): Do not 3137 multiply N by sizeof(value_type) when allocating. 3138 3139 2022-11-24 Jonathan Wakely <jwakely (a] redhat.com> 3140 3141 Backported from master: 3142 2022-09-15 Jonathan Wakely <jwakely (a] redhat.com> 3143 3144 * include/std/memory: Do not include <bits/stl_algobase.h>. 3145 3146 2022-11-24 Jonathan Wakely <jwakely (a] redhat.com> 3147 3148 Backported from master: 3149 2022-11-11 Jonathan Wakely <jwakely (a] redhat.com> 3150 3151 * testsuite/20_util/tuple/swap.cc (MoveOnly::operator==): Add 3152 const qualifier. 3153 * testsuite/26_numerics/valarray/87641.cc (X::operator==): 3154 Likewise. 3155 3156 2022-11-24 Jonathan Wakely <jwakely (a] redhat.com> 3157 3158 Backported from master: 3159 2022-11-02 Jonathan Wakely <jwakely (a] redhat.com> 3160 3161 * include/std/expected (expected::_M_invalid): Remove. 3162 3163 2022-11-24 Jonathan Wakely <jwakely (a] redhat.com> 3164 3165 Backported from master: 3166 2022-11-21 Jonathan Wakely <jwakely (a] redhat.com> 3167 3168 * include/bits/chrono.h (duration): Check preconditions on 3169 template arguments before using them. 3170 3171 2022-11-24 Jonathan Wakely <jwakely (a] redhat.com> 3172 3173 Backported from master: 3174 2022-10-28 Jonathan Wakely <jwakely (a] redhat.com> 3175 3176 * include/bits/fs_path.h (path::filename()): Fix dangling 3177 reference. 3178 3179 2022-11-24 Jonathan Wakely <jwakely (a] redhat.com> 3180 3181 Backported from master: 3182 2022-09-14 Jonathan Wakely <jwakely (a] redhat.com> 3183 3184 * doc/xml/manual/intro.xml: Document LWG 1203. 3185 * doc/html/*: Regenerate. 3186 3187 2022-11-24 Jonathan Wakely <jwakely (a] redhat.com> 3188 3189 Backported from master: 3190 2022-09-07 Jonathan Wakely <jwakely (a] redhat.com> 3191 3192 * include/std/barrier: Add missing runtime exception. 3193 3194 2022-11-24 Jonathan Wakely <jwakely (a] redhat.com> 3195 3196 Backported from master: 3197 2022-08-04 Jonathan Wakely <jwakely (a] redhat.com> 3198 3199 * include/bits/fs_dir.h (directory_iterator): Add comparison 3200 with std::default_sentinel_t. Remove redundant operator!= for 3201 C++20. 3202 * (recursive_directory_iterator): Likewise. 3203 * include/bits/iterator_concepts.h [!__cpp_lib_concepts] 3204 (default_sentinel_t, default_sentinel): Define even if concepts 3205 are not supported. 3206 * include/bits/regex.h (regex_iterator): Add comparison with 3207 std::default_sentinel_t. Remove redundant operator!= for C++20. 3208 (regex_token_iterator): Likewise. 3209 (regex_token_iterator::_M_end_of_seq()): Add noexcept. 3210 * testsuite/27_io/filesystem/iterators/lwg3719.cc: New test. 3211 * testsuite/28_regex/iterators/regex_iterator/lwg3719.cc: 3212 New test. 3213 * testsuite/28_regex/iterators/regex_token_iterator/lwg3719.cc: 3214 New test. 3215 3216 2022-11-24 Jonathan Wakely <jwakely (a] redhat.com> 3217 3218 Backported from master: 3219 2022-09-23 Jonathan Wakely <jwakely (a] redhat.com> 3220 3221 PR libstdc++/91456 3222 * include/std/type_traits (__is_nothrow_invocable): Remove. 3223 (__is_invocable_impl::__nothrow_type): New member type which 3224 checks if the conversion can throw. 3225 (__is_nt_invocable_impl): Replace class template with alias 3226 template to __is_nt_invocable_impl::__nothrow_type. 3227 * testsuite/20_util/is_nothrow_invocable/91456.cc: New test. 3228 * testsuite/20_util/is_nothrow_convertible/value.cc: Remove 3229 macro used by value_ext.cc test. 3230 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: Remove 3231 test for non-standard __is_nothrow_invocable trait. 3232 3233 2022-11-22 Jonathan Wakely <jwakely (a] redhat.com> 3234 3235 PR libstdc++/106201 3236 * include/bits/fs_path.h (filesystem::swap(path&, path&)): 3237 Replace with abbreviated function template. 3238 * include/experimental/bits/fs_path.h (filesystem::swap): 3239 Likewise. 3240 * testsuite/27_io/filesystem/iterators/106201.cc: New test. 3241 * testsuite/experimental/filesystem/iterators/106201.cc: New test. 3242 3243 2022-11-22 Jonathan Wakely <jwakely (a] redhat.com> 3244 3245 Backported from master: 3246 2022-11-22 Jonathan Wakely <jwakely (a] redhat.com> 3247 3248 PR libstdc++/107801 3249 * src/c++17/memory_resource.cc (pool_sizes): Disable large pools 3250 for targets with 16-bit int. 3251 3252 2022-11-14 Jonathan Wakely <jwakely (a] redhat.com> 3253 3254 * include/bits/mofunc_impl.h (move_only_function::__param_t): 3255 Use __is_scalar instead of is_trivially_copyable. 3256 * testsuite/20_util/move_only_function/call.cc: Check parameters 3257 involving incomplete types. 3258 3259 2022-11-14 Jonathan Wakely <jwakely (a] redhat.com> 3260 3261 Backported from master: 3262 2022-11-11 Jonathan Wakely <jwakely (a] redhat.com> 3263 3264 PR libstdc++/95048 3265 * include/bits/fs_path.h (path::_Codecvt): New class template 3266 that selects the kind of code conversion done. 3267 (path::_Codecvt<wchar_t>): Select based on sizeof(wchar_t). 3268 (_GLIBCXX_CONV_FROM_UTF8): New macro to allow the same code to 3269 be used for Windows and POSIX. 3270 (path::_S_convert(const EcharT*, const EcharT*)): Simplify by 3271 using _Codecvt and _GLIBCXX_CONV_FROM_UTF8 abstractions. 3272 (path::_S_str_convert(basic_string_view<value_type>, const A&)): 3273 Simplify nested conditions. 3274 * include/experimental/bits/fs_path.h (path::_Cvt): Define 3275 nested typedef controlling type of code conversion done. 3276 (path::_Cvt::_S_wconvert): Use new typedef. 3277 (path::string(const A&)): Likewise. 3278 * testsuite/27_io/filesystem/path/construct/95048.cc: New test. 3279 * testsuite/experimental/filesystem/path/construct/95048.cc: New 3280 test. 3281 3282 2022-11-14 Nathaniel Shead <nathanieloshead (a] gmail.com> 3283 3284 Backported from master: 3285 2022-11-11 Nathaniel Shead <nathanieloshead (a] gmail.com> 3286 3287 PR libstdc++/103295 3288 * include/bits/basic_string.h (_M_use_local_data): Set active 3289 member to _M_local_buf. 3290 3291 2022-11-08 Jonathan Wakely <jwakely (a] redhat.com> 3292 3293 Backported from master: 3294 2022-11-08 Jonathan Wakely <jwakely (a] redhat.com> 3295 3296 * doc/xml/authors.xml: Remove empty author element. 3297 * doc/xml/manual/spine.xml: Likewise. 3298 * doc/html/manual/index.html: Regenerate. 3299 3300 2022-10-19 Alexandre Oliva <oliva (a] adacore.com> 3301 3302 Backported from master: 3303 2022-06-22 Alexandre Oliva <oliva (a] adacore.com> 3304 3305 * libsupc++/eh_globals.cc [!_GLIBCXX_HAVE_TLS] 3306 (__eh_globals_init::~__eh_globals_init): Clear _S_init first. 3307 3308 2022-09-29 Jonathan Wakely <jwakely (a] redhat.com> 3309 3310 Backported from master: 3311 2022-09-28 Jonathan Wakely <jwakely (a] redhat.com> 3312 3313 * doc/xml/manual/evolution.xml: Document std::bind API 3314 changes. 3315 * doc/xml/manual/intro.xml: Document LWG 2487 status. 3316 * doc/xml/manual/using.xml: Clarify default value of 3317 _GLIBCXX_USE_DEPRECATED. 3318 * doc/html/*: Regenerate. 3319 * include/std/functional (_Bind::operator()(Args&&...) volatile) 3320 (_Bind::operator()(Args&&...) const volatile) 3321 (_Bind_result::operator()(Args&&...) volatile) 3322 (_Bind_result::operator()(Args&&...) const volatile): Replace 3323 with deleted overload for C++20 and later. 3324 * testsuite/20_util/bind/cv_quals.cc: Check for deprecated 3325 warnings in C++17. 3326 * testsuite/20_util/bind/cv_quals_2.cc: Likewise, and check for 3327 ill-formed in C++20. 3328 3329 2022-09-16 Jonathan Wakely <jwakely (a] redhat.com> 3330 3331 * doc/xml/manual/abi.xml: Document GLIBCXX_3.4.30 version. 3332 * doc/html/manual/abi.html: Regenerate. 3333 3334 2022-09-12 Patrick Palka <ppalka (a] redhat.com> 3335 3336 Backported from master: 3337 2022-09-12 Patrick Palka <ppalka (a] redhat.com> 3338 3339 PR libstdc++/106320 3340 * testsuite/std/ranges/adaptors/join.cc (test13): New test. 3341 3342 2022-09-07 Jonathan Wakely <jwakely (a] redhat.com> 3343 3344 Backported from master: 3345 2022-08-22 Jonathan Wakely <jwakely (a] redhat.com> 3346 3347 PR libstdc++/106695 3348 * include/bits/std_thread.h (thread::_State_impl): Forward 3349 individual arguments to _Invoker constructor. 3350 (thread::_Invoker): Add constructor. Delete copies. 3351 * include/std/future (__future_base::_Deferred_state): Forward 3352 individual arguments to _Invoker constructor. 3353 (__future_base::_Async_state_impl): Likewise. 3354 * testsuite/30_threads/async/106695.cc: New test. 3355 * testsuite/30_threads/thread/106695.cc: New test. 3356 3357 2022-09-07 Jonathan Wakely <jwakely (a] redhat.com> 3358 3359 Backported from master: 3360 2022-08-22 Jonathan Wakely <jwakely (a] redhat.com> 3361 3362 PR libstdc++/106607 3363 * include/bits/regex_compiler.tcc (_Compiler::_M_cur_int_value): 3364 Use built-ins to check for integer overflow in back-reference 3365 number. 3366 * testsuite/28_regex/basic_regex/106607.cc: New test. 3367 3368 2022-08-24 Jonathan Wakely <jwakely (a] redhat.com> 3369 3370 Backported from master: 3371 2022-08-23 Jonathan Wakely <jwakely (a] redhat.com> 3372 3373 PR libstdc++/106589 3374 * include/std/variant (__do_visit): Handle is_void<R> for zero 3375 argument case. 3376 * testsuite/20_util/variant/visit_r.cc: Check std::visit<void>(v). 3377 3378 2022-08-23 Jonathan Wakely <jwakely (a] redhat.com> 3379 3380 Backported from master: 3381 2022-08-22 Jonathan Wakely <jwakely (a] redhat.com> 3382 3383 PR libstdc++/105678 3384 * doc/xml/manual/using.xml: Document -lstdc++_libbacktrace 3385 requirement for using std::stacktrace. Also adjust -frtti and 3386 -fexceptions to document non-default (i.e. negative) forms. 3387 * doc/html/*: Regenerate. 3388 3389 2022-08-19 Release Manager 3390 3391 * GCC 12.2.0 released. 3392 3393 2022-08-05 Jonathan Wakely <jwakely (a] redhat.com> 3394 3395 Backported from master: 3396 2022-08-04 Jonathan Wakely <jwakely (a] redhat.com> 3397 3398 * include/std/string_view (basic_string_view(Range&&)): Add 3399 explicit as per P2499R0. 3400 * testsuite/21_strings/basic_string_view/cons/char/range_c++20.cc: 3401 Adjust implicit conversions. Check implicit conversions fail. 3402 * testsuite/21_strings/basic_string_view/cons/wchar_t/range_c++20.cc: 3403 Likewise. 3404 3405 2022-08-05 Jonathan Wakely <jwakely (a] redhat.com> 3406 3407 Backported from master: 3408 2022-08-04 Jonathan Wakely <jwakely (a] redhat.com> 3409 3410 * include/std/expected (unexpected::_M_val): Rename to _M_unex. 3411 (bad_expected_access::_M_val): Likewise. 3412 3413 2022-08-05 Jonathan Wakely <jwakely (a] redhat.com> 3414 3415 Backported from master: 3416 2022-08-04 Jonathan Wakely <jwakely (a] redhat.com> 3417 3418 * include/bits/ios_base.h (__cpp_lib_ios_noreplace): Update 3419 value to 202207L. 3420 * include/std/version (__cpp_lib_ios_noreplace): Likewise. 3421 * testsuite/27_io/basic_ofstream/open/char/noreplace.cc: Check 3422 for new value. 3423 * testsuite/27_io/basic_ofstream/open/wchar_t/noreplace.cc: 3424 Likewise. 3425 3426 2022-08-03 Jonathan Wakely <jwakely (a] redhat.com> 3427 3428 Backported from master: 3429 2022-06-28 Jonathan Wakely <jwakely (a] redhat.com> 3430 3431 * src/c++17/fs_dir.cc (_Dir::dir_and_pathname):: Replace with 3432 current() returning _At_path. 3433 (_Dir::_Dir, _Dir::open_subdir, _Dir::do_unlink): Adjust. 3434 * src/filesystem/dir-common.h (_Dir_base::_At_path): New class. 3435 (_Dir_base::_Dir_Base, _Dir_base::openat): Use _At_path. 3436 * src/filesystem/dir.cc (_Dir::dir_and_pathname): Replace with 3437 current() returning _At_path. 3438 (_Dir::_Dir, _Dir::open_subdir): Adjust. 3439 3440 2022-08-03 Jonathan Wakely <jwakely (a] redhat.com> 3441 3442 Backported from master: 3443 2022-07-29 Jonathan Wakely <jwakely (a] redhat.com> 3444 3445 PR libstdc++/104443 3446 * include/bits/stl_iterator.h (common_iterator::operator->): 3447 Change return type to just auto. 3448 3449 2022-08-03 Jonathan Wakely <jwakely (a] redhat.com> 3450 3451 Backported from master: 3452 2022-07-12 Jonathan Wakely <jwakely (a] redhat.com> 3453 3454 PR libstdc++/106248 3455 * include/std/istream [C++17] (operator>>(istream&, char*)): 3456 Set eofbit if we stopped extracting at EOF. 3457 * testsuite/27_io/basic_istream/extractors_character/char/pr106248.cc: 3458 New test. 3459 * testsuite/27_io/basic_istream/extractors_character/wchar_t/pr106248.cc: 3460 New test. 3461 3462 2022-08-03 Jonathan Wakely <jwakely (a] redhat.com> 3463 3464 Backported from master: 3465 2022-07-01 Jonathan Wakely <jwakely (a] redhat.com> 3466 3467 * include/bits/fs_ops.h: Add nodiscard to all pure functions. 3468 * include/experimental/bits/fs_ops.h: Likewise. 3469 * testsuite/27_io/filesystem/operations/all.cc: Do not discard 3470 results of absolute and canonical. 3471 * testsuite/27_io/filesystem/operations/absolute.cc: Cast 3472 discarded result to void. 3473 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise. 3474 * testsuite/27_io/filesystem/operations/exists.cc: Likewise. 3475 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise. 3476 * testsuite/27_io/filesystem/operations/read_symlink.cc: 3477 Likewise. 3478 * testsuite/27_io/filesystem/operations/status.cc: Likewise. 3479 * testsuite/27_io/filesystem/operations/symlink_status.cc: 3480 Likewise. 3481 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: 3482 Likewise. 3483 * testsuite/experimental/filesystem/operations/canonical.cc: 3484 Likewise. 3485 * testsuite/experimental/filesystem/operations/exists.cc: 3486 Likewise. 3487 * testsuite/experimental/filesystem/operations/is_empty.cc: 3488 Likewise. 3489 * testsuite/experimental/filesystem/operations/read_symlink.cc: 3490 Likewise. 3491 * testsuite/experimental/filesystem/operations/temp_directory_path.cc: 3492 Likewise. 3493 3494 2022-08-03 Jonathan Wakely <jwakely (a] redhat.com> 3495 3496 Backported from master: 3497 2022-06-16 Jonathan Wakely <jwakely (a] redhat.com> 3498 3499 PR libstdc++/105995 3500 * include/bits/basic_string.h (_M_use_local_data): Initialize 3501 the entire SSO buffer. 3502 * testsuite/21_strings/basic_string/cons/char/105995.cc: New test. 3503 3504 2022-08-03 Jonathan Wakely <jwakely (a] redhat.com> 3505 3506 Backported from master: 3507 2022-06-14 Jonathan Wakely <jwakely (a] redhat.com> 3508 3509 * include/bits/new_allocator.h: Fix indentation. 3510 * include/ext/malloc_allocator.h: Likewise. 3511 3512 2022-08-03 Jonathan Wakely <jwakely (a] redhat.com> 3513 3514 Backported from master: 3515 2022-06-14 Jonathan Wakely <jwakely (a] redhat.com> 3516 3517 PR libstdc++/105957 3518 * include/bits/allocator.h (allocator::allocate): Check for 3519 overflow in constexpr allocation. 3520 * testsuite/20_util/allocator/105975.cc: New test. 3521 3522 2022-08-03 Jonathan Wakely <jwakely (a] redhat.com> 3523 3524 Backported from master: 3525 2022-06-10 Jonathan Wakely <jwakely (a] redhat.com> 3526 3527 PR libstdc++/105844 3528 * include/experimental/numeric (experimental::gcd): Simplify 3529 assertions. Use __abs_r instead of __absu. 3530 (experimental::lcm): Likewise. Remove use of __detail::__lcm so 3531 overflow can be detected. 3532 * include/std/numeric (__detail::__absu): Rename to __abs_r and 3533 change to allow signed result type, so overflow can be detected. 3534 (__detail::__lcm): Remove. 3535 (gcd): Simplify assertions. Use __abs_r instead of __absu. 3536 (lcm): Likewise. Remove use of __detail::__lcm so overflow can 3537 be detected. 3538 * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error lines. 3539 * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise. 3540 * testsuite/26_numerics/gcd/105844.cc: New test. 3541 * testsuite/26_numerics/lcm/105844.cc: New test. 3542 3543 2022-07-26 Thomas Rodgers <trodgers (a] redhat.com> 3544 3545 Backported from master: 3546 2022-07-26 Thomas Rodgers <trodgers (a] redhat.com> 3547 3548 * include/bits/atomic_wait.h (__atomic_spin): Merge spin loops. 3549 3550 2022-07-22 Jonathan Wakely <jwakely (a] redhat.com> 3551 3552 Backported from master: 3553 2022-06-28 Jonathan Wakely <jwakely (a] redhat.com> 3554 3555 * src/c++17/fs_dir.cc (_Dir::_Dir) [!_GLIBCXX_HAVE_OPENAT]: 3556 Always store pathname if we don't have openat or unlinkat, 3557 because the full path is needed to open sub-directories and 3558 remove entries. 3559 3560 2022-07-22 Alexandre Oliva <oliva (a] adacore.com> 3561 3562 Backported from master: 3563 2022-06-27 Alexandre Oliva <oliva (a] adacore.com> 3564 3565 * src/c++17/fs_dir.cc (dir_and_pathname): Use dirfd if 3566 _GLIBCXX_HAVE_OPENAT. 3567 3568 2022-07-22 Alexandre Oliva <oliva (a] adacore.com> 3569 3570 Backported from master: 3571 2022-06-24 Alexandre Oliva <oliva (a] adacore.com> 3572 3573 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for 3574 openat. 3575 * configure, config.h.in: Rebuilt. 3576 * src/filesystem/dir-common.h (openat): Use ::openat if 3577 _GLIBCXX_HAVE_OPENAT. 3578 * src/filesystem/dir.cc (dir_and_pathname): Use dirfd if 3579 _GLIBCXX_HAVE_OPENAT. 3580 3581 2022-07-22 Jonathan Wakely <jwakely (a] redhat.com> 3582 3583 Backported from master: 3584 2022-05-06 Jonathan Wakely <jwakely (a] redhat.com> 3585 3586 * include/std/stacktrace: Do not include <cxxabi.h>. 3587 (__cxa_demangle): Declare. 3588 3589 2022-07-21 Jonathan Wakely <jwakely (a] redhat.com> 3590 3591 Backported from master: 3592 2022-07-20 Jonathan Wakely <jwakely (a] redhat.com> 3593 3594 PR libstdc++/100823 3595 * include/bits/stl_iterator.h (common_iterator): Define move 3596 constructor and move assignment operator. 3597 (common_iterator::_M_assign): New function implementing 3598 assignment. 3599 (common_iterator::operator=): Use _M_assign. 3600 (common_iterator::_S_valueless): New constant. 3601 * testsuite/24_iterators/common_iterator/100823.cc: New test. 3602 3603 2022-07-21 Jonathan Wakely <jwakely (a] redhat.com> 3604 3605 Backported from master: 3606 2022-07-20 Jonathan Wakely <jwakely (a] redhat.com> 3607 3608 * include/bits/stl_iterator.h (common_iterator): Fix incorrect 3609 uses of is_nothrow_assignable_v. Fix inconsistent constraints on 3610 friend declaration. Do not move argument in copy constructor. 3611 * testsuite/24_iterators/common_iterator/1.cc: Check for 3612 noexcept constructibnle/assignable. 3613 3614 2022-07-21 Nathan Sidwell <nathan (a] acm.org> 3615 3616 Backported from master: 3617 2022-05-26 Nathan Sidwell <nathan (a] acm.org> 3618 3619 * include/bits/hashtable.h: Include required headers. 3620 * include/bits/hashtable_policy.h: Likewise. 3621 * include/bits/stl_heap.h: Likewise. 3622 * include/bits/stl_iterator_base_funcs.h: Likewise. 3623 3624 2022-07-21 Jonathan Wakely <jwakely (a] redhat.com> 3625 3626 Backported from master: 3627 2022-06-30 Jonathan Wakely <jwakely (a] redhat.com> 3628 3629 * include/bits/utility.h: Fix comment typos. 3630 3631 2022-07-21 Jonathan Wakely <jwakely (a] redhat.com> 3632 3633 Backported from master: 3634 2022-06-28 Jonathan Wakely <jwakely (a] redhat.com> 3635 3636 * testsuite/20_util/from_chars/4.cc: Only use log2 if C99 math 3637 functions are available. 3638 3639 2022-07-21 Jonathan Wakely <jwakely (a] redhat.com> 3640 3641 Backported from master: 3642 2022-06-23 Jonathan Wakely <jwakely (a] redhat.com> 3643 3644 * testsuite/26_numerics/random/random_device/entropy.cc: Use 3645 numeric_limits<unsigned>::digits. 3646 3647 2022-07-21 Marco Falke <falke.marco (a] gmail.com> 3648 3649 Backported from master: 3650 2022-07-19 Marco Falke <falke.marco (a] gmail.com> 3651 3652 * include/std/charconv (__from_chars_alnum_to_val): Replace 3653 implicit conversion from int to unsigned char with explicit 3654 cast. 3655 3656 2022-07-21 Jonathan Wakely <jwakely (a] redhat.com> 3657 3658 Backported from master: 3659 2022-06-30 Jonathan Wakely <jwakely (a] redhat.com> 3660 3661 PR libstdc++/88881 3662 * src/filesystem/ops.cc (has_trailing_slash): New helper 3663 function. 3664 (fs::status): Strip trailing slashes. 3665 (fs::symlink_status): Likewise. 3666 * testsuite/experimental/filesystem/operations/temp_directory_path.cc: 3667 Clean the environment before each test and use TMP instead of 3668 TMPDIR so the test passes on Windows. 3669 3670 2022-07-21 Jonathan Wakely <jwakely (a] redhat.com> 3671 3672 Backported from master: 3673 2022-06-10 Jonathan Wakely <jwakely (a] redhat.com> 3674 3675 PR libstdc++/105880 3676 * libsupc++/eh_globals.cc (eh_globals): Ensure constant init and 3677 prevent destruction during termination. 3678 (__eh_globals_init::_M_init): Replace with static member _S_init. 3679 (__cxxabiv1::__cxa_get_globals_fast): Update. 3680 (__cxxabiv1::__cxa_get_globals): Likewise. 3681 3682 2022-07-07 Jonathan Wakely <jwakely (a] redhat.com> 3683 3684 Backported from master: 3685 2022-07-01 Jonathan Wakely <jwakely (a] redhat.com> 3686 3687 PR libstdc++/106162 3688 * include/Makefile.am (largefile-config.h): Add 3689 stamp-${host_alias} prerequisite. 3690 * include/Makefile.in: Regenerate. 3691 3692 2022-07-07 Jonathan Wakely <jwakely (a] redhat.com> 3693 3694 Backported from master: 3695 2022-06-23 Jonathan Wakely <jwakely (a] redhat.com> 3696 3697 * testsuite/27_io/filesystem/iterators/error_reporting.cc: Use 3698 rmdir to remove directories. 3699 * testsuite/experimental/filesystem/iterators/error_reporting.cc: 3700 Likewise. 3701 3702 2022-06-14 Jonathan Wakely <jwakely (a] redhat.com> 3703 3704 Backported from master: 3705 2022-06-13 Jonathan Wakely <jwakely (a] redhat.com> 3706 3707 * include/std/atomic (__atomic_val_t): Use __type_identity_t 3708 instead of atomic<T>::value_type, as per LWG 3220. 3709 * testsuite/29_atomics/atomic/lwg3220.cc: New test. 3710 3711 2022-06-14 Mark Mentovai <mark (a] mentovai.com> 3712 3713 Backported from master: 3714 2022-06-13 Mark Mentovai <mark (a] mentovai.com> 3715 3716 * include/experimental/bits/fs_path.h (__detail::__null_terminated): 3717 Rename to __nul_terminated to avoid colliding with a macro in 3718 Apple's SDK. 3719 3720 2022-06-08 Jonathan Wakely <jwakely (a] redhat.com> 3721 3722 Backported from master: 3723 2022-05-27 Jonathan Wakely <jwakely (a] redhat.com> 3724 3725 PR libstdc++/105671 3726 * include/std/sstream (basic_stringbuf::_M_high_mark): Add 3727 always_inline attribute. 3728 3729 2022-06-08 Jonathan Wakely <jwakely (a] redhat.com> 3730 3731 Backported from master: 3732 2022-05-26 Jonathan Wakely <jwakely (a] redhat.com> 3733 3734 PR libstdc++/105681 3735 * include/ext/pb_ds/detail/resize_policy/hash_prime_size_policy_imp.hpp: 3736 Limit ga_sizes array to values that fit in size_t. 3737 * include/ext/random [__SIZE_WIDTH < 32] (sfmt86243) 3738 (sfmt86243_64, sfmt132049, sfmt132049_64, sfmt216091) 3739 (sfmt216091_64): Do not declare. 3740 3741 2022-06-08 Jonathan Wakely <jwakely (a] redhat.com> 3742 3743 Backported from master: 3744 2022-05-19 Jonathan Wakely <jwakely (a] redhat.com> 3745 3746 * include/bits/basic_string.h: Do not include <ext/atomicity.h> 3747 here. 3748 * include/bits/cow_string.h: Include it here. 3749 3750 2022-05-27 Jonathan Wakely <jwakely (a] redhat.com> 3751 3752 Backported from master: 3753 2022-05-26 Jonathan Wakely <jwakely (a] redhat.com> 3754 3755 * python/libstdcxx/v6/printers.py (StdErrorCodePrinter): Make 3756 lookup for ios_errc and future_errc check versioned namespace. 3757 (StdAtomicPrinter): Strip versioned namespace from typename. 3758 3759 2022-05-27 Franois Dumont <fdumont (a] gcc.gnu.org> 3760 3761 Backported from master: 3762 2022-05-26 Franois Dumont <fdumont (a] gcc.gnu.org> 3763 3764 * python/libstdcxx/v6/printers.py (StdSpanPrinter.__init__): 3765 Strip typename from version namespace. 3766 3767 2022-05-27 Jonathan Wakely <jwakely (a] redhat.com> 3768 3769 Backported from master: 3770 2022-05-26 Jonathan Wakely <jwakely (a] redhat.com> 3771 3772 * python/libstdcxx/v6/printers.py (SharedPointerPrinter): Strip 3773 versioned namespace from the template argument too. 3774 3775 2022-05-27 Jonathan Wakely <jwakely (a] redhat.com> 3776 3777 Backported from master: 3778 2022-05-26 Jonathan Wakely <jwakely (a] redhat.com> 3779 3780 * include/bits/stl_iterator.h (counted_iterator::operator++(int)): 3781 Add 'constexpr' as per LWG 3643. 3782 * testsuite/24_iterators/counted_iterator/lwg3643.cc: New test. 3783 3784 2022-05-27 Jonathan Wakely <jwakely (a] redhat.com> 3785 3786 Backported from master: 3787 2022-05-19 Jonathan Wakely <jwakely (a] redhat.com> 3788 3789 * include/std/memory_resource (polymorphic_allocator): Add 3790 non-template equality operator, as proposed for LWG 3683. 3791 * testsuite/20_util/polymorphic_allocator/lwg3683.cc: New test. 3792 3793 2022-05-27 Jonathan Wakely <jwakely (a] redhat.com> 3794 3795 Backported from master: 3796 2022-05-20 Jonathan Wakely <jwakely (a] redhat.com> 3797 3798 * testsuite/26_numerics/random/bernoulli_distribution/operators/values.cc: 3799 Run fewer iterations for simulator targets. 3800 * testsuite/26_numerics/random/binomial_distribution/operators/values.cc: 3801 Likewise. 3802 * testsuite/26_numerics/random/discrete_distribution/operators/values.cc: 3803 Likewise. 3804 * testsuite/26_numerics/random/geometric_distribution/operators/values.cc: 3805 Likewise. 3806 * testsuite/26_numerics/random/negative_binomial_distribution/operators/values.cc: 3807 Likewise. 3808 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc: 3809 Likewise. 3810 * testsuite/26_numerics/random/uniform_int_distribution/operators/values.cc: 3811 Likewise. 3812 3813 2022-05-27 Jonathan Wakely <jwakely (a] redhat.com> 3814 3815 Backported from master: 3816 2022-05-17 Jonathan Wakely <jwakely (a] redhat.com> 3817 3818 * testsuite/20_util/expected/synopsis.cc: Skip for versioned 3819 namespace. 3820 * testsuite/27_io/headers/iosfwd/synopsis.cc: Likewise. 3821 3822 2022-05-27 Jonathan Wakely <jwakely (a] redhat.com> 3823 3824 Backported from master: 3825 2022-05-13 Jonathan Wakely <jwakely (a] redhat.com> 3826 3827 * include/bits/mofunc_impl.h: Fix doxygen command. 3828 3829 2022-05-27 Jonathan Wakely <jwakely (a] redhat.com> 3830 3831 Backported from master: 3832 2022-05-13 Jonathan Wakely <jwakely (a] redhat.com> 3833 3834 * include/std/future (launch): Make operators noexcept. 3835 3836 2022-05-16 Jonathan Wakely <jwakely (a] redhat.com> 3837 3838 Backported from master: 3839 2022-05-16 Jonathan Wakely <jwakely (a] redhat.com> 3840 3841 * doc/xml/manual/prerequisites.xml: Fix attributes for external 3842 hyperlink. 3843 * doc/html/manual/setup.html: Regenerate. 3844 3845 2022-05-16 Jonathan Wakely <jwakely (a] redhat.com> 3846 3847 Backported from master: 3848 2022-05-16 Jonathan Wakely <jwakely (a] redhat.com> 3849 3850 * doc/xml/manual/status_cxx2023.xml: Update with gcc-12 support. 3851 * doc/html/*: Regenerate. 3852 3853 2022-05-16 Jonathan Wakely <jwakely (a] redhat.com> 3854 3855 Backported from master: 3856 2022-05-16 Jonathan Wakely <jwakely (a] redhat.com> 3857 3858 * doc/xml/manual/intro.xml: Include new chapter. 3859 * doc/xml/manual/status_cxx2020.xml: Tweak release numbers. 3860 * doc/xml/manual/status_cxx2023.xml: New file. 3861 * doc/html/*: Regenerate. 3862 3863 2022-05-16 Jonathan Wakely <jwakely (a] redhat.com> 3864 3865 Backported from master: 3866 2022-05-16 Jonathan Wakely <jwakely (a] redhat.com> 3867 3868 * doc/html/manual/status.html: Regenerate. 3869 * doc/xml/manual/status_cxx2020.xml: Fix supported version for 3870 C++20 bit operations. 3871 3872 2022-05-13 Alexandre Oliva <oliva (a] adacore.com> 3873 3874 Backported from master: 3875 2022-05-06 Alexandre Oliva <oliva (a] adacore.com> 3876 3877 * include/experimental/bits/simd.h [__ALTIVEC__]: Require VSX 3878 for double, long long, and 64-bit long intrinsic types. 3879 [__ALTIVEC__] (__intrinsic_type): Mention 128-bit in 3880 preexisting long double diagnostic, adjust no-VSX double 3881 diagnostic to cover 64-bit long double as well. 3882 3883 2022-05-10 Jonathan Wakely <jwakely (a] redhat.com> 3884 3885 Backported from master: 3886 2022-05-10 Jonathan Wakely <jwakely (a] redhat.com> 3887 3888 PR libstdc++/105284 3889 * include/std/iosfwd: Add declarations for <spanstream> class 3890 templates and typedefs. 3891 * include/std/spanstream (basic_spanbuf, basic_ispanstream) 3892 (basic_ospanstream, basic_spanstream): Remove default template 3893 arguments. 3894 * testsuite/27_io/headers/iosfwd/synopsis.cc: Add <spanstream> 3895 declarations. 3896 * testsuite/27_io/headers/iosfwd/types.cc: Check <spanstream> 3897 default arguments. 3898 3899 2022-05-10 Jonathan Wakely <jwakely (a] redhat.com> 3900 3901 Backported from master: 3902 2022-05-10 Jonathan Wakely <jwakely (a] redhat.com> 3903 3904 PR libstdc++/105284 3905 * include/std/iosfwd: Add declarations for <synstream> class 3906 templates and typedefs. 3907 * include/std/syncstream (basic_syncbuf, basic_osyncstream): 3908 Remove default template arguments. 3909 * testsuite/27_io/headers/iosfwd/synopsis.cc: New test. 3910 * testsuite/27_io/headers/iosfwd/types.cc: New test. 3911 3912 2022-05-09 Jonathan Wakely <jwakely (a] redhat.com> 3913 3914 Backported from master: 3915 2022-05-06 Jonathan Wakely <jwakely (a] redhat.com> 3916 3917 PR libstdc++/104731 3918 * testsuite/27_io/filesystem/iterators/error_reporting.cc: 3919 Use a trailing char array as storage for dirent::d_name. 3920 3921 2022-05-06 Jonathan Wakely <jwakely (a] redhat.com> 3922 3923 Backported from master: 3924 2022-05-06 Jonathan Wakely <jwakely (a] redhat.com> 3925 3926 PR libstdc++/105502 3927 * include/bits/random.tcc 3928 (operator>>(basic_istream<C,T>&, normal_distribution<R>&)): 3929 Update state when __state_avail is false. 3930 * testsuite/26_numerics/random/normal_distribution/operators/serialize.cc: 3931 Check that deserialized object equals serialized one. 3932 3933 2022-05-06 Patrick Palka <ppalka (a] redhat.com> 3934 3935 Backported from master: 3936 2022-05-02 Patrick Palka <ppalka (a] redhat.com> 3937 3938 PR libstdc++/103911 3939 * src/c++17/floating_from_chars.cc (find_end_of_float): Accept 3940 two delimeters for the exponent part in the form of a possibly 3941 NULL string of length two. Don't use std::tolower. 3942 (pattern): Adjust calls to find_end_of_float accordingly. 3943 3944 2022-05-06 Alexandre Oliva <oliva (a] adacore.com> 3945 3946 Backported from master: 3947 2022-05-03 Alexandre Oliva <oliva (a] adacore.com> 3948 3949 PR c++/105324 3950 * testsuite/20_util/from_chars/pr105324.cc: Guard test body 3951 with conditional for floating-point overloads of from_char. 3952 3953 2022-05-06 Release Manager 3954 3955 * GCC 12.1.0 released. 3956 3957 2022-05-02 Patrick Palka <ppalka (a] redhat.com> 3958 3959 Backported from master: 3960 2022-05-02 Patrick Palka <ppalka (a] redhat.com> 3961 3962 PR libstdc++/105441 3963 * src/c++17/floating_from_chars.cc (__floating_from_chars_hex): 3964 Also accept 'P' as the start of the exponent. 3965 * testsuite/20_util/from_chars/7.cc: Add corresponding testcase. 3966 3967 2022-04-29 Jonathan Wakely <jwakely (a] redhat.com> 3968 3969 Backported from master: 3970 2022-04-29 Jonathan Wakely <jwakely (a] redhat.com> 3971 3972 PR libstdc++/105417 3973 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: 3974 Regenerate. 3975 * src/c++11/compatibility-ldbl-alt128.cc [_GLIBCXX_USE_DUAL_ABI]: 3976 Define __gnu_ieee128::num_get<C>::_M_extract_int[abi:cxx11]<I> 3977 symbols as aliases for corresponding symbols without abi-tag. 3978 3979 2022-04-29 Rainer Orth <ro (a] CeBiTec.Uni-Bielefeld.DE> 3980 3981 * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate. 3982 * config/abi/post/i386-solaris/amd64/baseline_symbols.txt: 3983 Likewise. 3984 * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise. 3985 * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt: 3986 Likewise. 3987 3988 2022-04-28 Jonathan Wakely <jwakely (a] redhat.com> 3989 3990 * doc/xml/manual/status_cxx1998.xml: Refer to GCC 12 not 3991 mainline. 3992 * doc/xml/manual/status_cxx2011.xml: Likewise. 3993 * doc/xml/manual/status_cxx2014.xml: Likewise. 3994 * doc/xml/manual/status_cxx2017.xml: Likewise. 3995 * doc/xml/manual/status_cxx2020.xml: Likewise. 3996 * doc/xml/manual/status_cxxtr1.xml: Likewise. 3997 * doc/xml/manual/status_cxxtr24733.xml: Likewise. 3998 * doc/html/manual/status.html: Regenerate. 3999 4000 2022-04-28 Jonathan Wakely <jwakely (a] redhat.com> 4001 4002 PR libstdc++/99290 4003 * src/c++17/fs_ops.cc (fs::copy): Pass error_code to 4004 directory_iterator constructor, and check on each iteration. 4005 * src/filesystem/ops.cc (fs::copy): Likewise. 4006 * testsuite/27_io/filesystem/operations/copy.cc: Check for 4007 errors during recursion. 4008 * testsuite/experimental/filesystem/operations/copy.cc: 4009 Likewise. 4010 4011 2022-04-28 Franois Dumont <fdumont (a] gcc.gnu.org> 4012 4013 * config/abi/pre/gnu-versioned-namespace.ver: Remove 4014 std::random_device::* pattern. 4015 4016 2022-04-27 Jakub Jelinek <jakub (a] redhat.com> 4017 4018 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update. 4019 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update. 4020 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update. 4021 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update. 4022 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update. 4023 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update. 4024 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update. 4025 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update. 4026 4027 2022-04-27 Jonathan Wakely <jwakely (a] redhat.com> 4028 4029 * python/libstdcxx/v6/printers.py (SharedPointerPrinter): Add 4030 support for atomic<shared_ptr<T>> and atomic<weak_ptr<T>>. 4031 (StdAtomicPrinter): New printer. 4032 (build_libstdcxx_dictionary): Register new printer. 4033 * testsuite/libstdc++-prettyprinters/cxx11.cc: Test std::atomic. 4034 * testsuite/libstdc++-prettyprinters/cxx20.cc: Test atomic smart 4035 pointers. 4036 4037 2022-04-26 Jonathan Wakely <jwakely (a] redhat.com> 4038 4039 * include/bits/shared_ptr_atomic.h (atomic<shared_ptr>): Add 4040 constructor for constant initialization from nullptr_t. 4041 * testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc: 4042 Check for new constructor. 4043 4044 2022-04-26 Jonathan Wakely <jwakely (a] redhat.com> 4045 4046 * include/bits/fs_path.h (hash<filesystem::path>): Define. 4047 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: 4048 Check std::hash specialization. 4049 4050 2022-04-25 Jonathan Wakely <jwakely (a] redhat.com> 4051 4052 * include/bits/ptr_traits.h (__cpp_lib_constexpr_memory): Define 4053 conditionally. 4054 * include/bits/unique_ptr.h (__cpp_lib_constexpr_memory): 4055 Define for C++23. 4056 (default_delete, default_delete<T[]>, __uniq_ptr_impl) 4057 (unique_ptr, unique_ptr<T[], D>): Add constexpr to all member 4058 functions. 4059 * include/std/version (__cpp_lib_constexpr_memory): Define new 4060 value for C++23. 4061 * testsuite/20_util/unique_ptr/assign/constexpr.cc: New test. 4062 * testsuite/20_util/unique_ptr/comparison/constexpr.cc: New test. 4063 * testsuite/20_util/unique_ptr/cons/constexpr_c++20.cc: New test. 4064 * testsuite/20_util/unique_ptr/creation/constexpr.cc: New test. 4065 * testsuite/20_util/unique_ptr/modifiers/constexpr.cc: New test. 4066 * testsuite/20_util/unique_ptr/specialized_algorithms/constexpr.cc: 4067 New test. 4068 4069 2022-04-25 Jonathan Wakely <jwakely (a] redhat.com> 4070 4071 PR libstdc++/105375 4072 * include/std/future (packaged_task): Add deduction guides. 4073 * testsuite/30_threads/packaged_task/cons/deduction.cc: New test. 4074 4075 2022-04-25 Philipp Fent <fent (a] in.tum.de> 4076 4077 * python/libstdcxx/v6/printers.py (StdSpanPrinter._iterator): 4078 Rename as iterator. 4079 (StdInitializerListPrinter): Define new printer. 4080 (build_libstdcxx_dictionary): Register new printer. 4081 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check printer for 4082 initializer_list. 4083 4084 2022-04-22 Thomas W Rodgers <trodgers (a] redhat.com> 4085 4086 PR libstdc++/102994 4087 * include/bits/atomic_base.h (atomic_flag::notify_one, 4088 notify_all): Remove const qualification. 4089 (__atomic_base::notify_one, notify_all): Likewise. 4090 * include/std/atomic (atomic<bool>::notify_one, notify_all): 4091 Likewise. 4092 (atomic::notify_one, notify_all): Likewise. 4093 (atomic<T*>::notify_one, notify_all): Likewise. 4094 (atomic_notify_one, atomic_notify_all): Likewise. 4095 * testsuite/29_atomics/atomic/wait_notify/102994.cc: Adjust test 4096 to account for change in notify_one/notify_all signature. 4097 4098 2022-04-21 Patrick Palka <ppalka (a] redhat.com> 4099 4100 * include/std/charconv (__from_chars_alnum_to_val_table): 4101 Simplify initialization of __lower/__upper_letters. 4102 (__from_chars_alnum_to_val): Default the template parameter to 4103 false. 4104 * src/c++17/floating_from_chars.cc (starts_with_ci): Don't 4105 assume the uppercase and lowercase letters are contiguous. 4106 (__floating_from_chars_hex): Likewise. 4107 4108 2022-04-21 Patrick Palka <ppalka (a] redhat.com> 4109 4110 PR c++/105297 4111 PR c++/105322 4112 * include/std/charconv (__from_chars_alnum_to_val): Make 4113 initializer for __table dependent in an artificial way. 4114 4115 2022-04-21 Jonathan Wakely <jwakely (a] redhat.com> 4116 4117 PR libstdc++/105324 4118 * src/c++17/floating_from_chars.cc (buffer_resource::do_allocate): 4119 Remove assertion. 4120 * testsuite/20_util/from_chars/pr105324.cc: New test. 4121 4122 2022-04-20 Jonathan Wakely <jwakely (a] redhat.com> 4123 4124 * testsuite/21_strings/basic_string_view/operations/copy/char/constexpr.cc: 4125 Check correct feature test macro. 4126 4127 2022-04-20 Jonathan Wakely <jwakely (a] redhat.com> 4128 4129 PR libstdc++/93602 4130 * doc/xml/manual/prerequisites.xml: Document libiconv 4131 workarounds. 4132 * doc/html/manual/setup.html: Regenerate. 4133 * src/Makefile.am (CXXLINK): Add $(LTLIBICONV). 4134 * src/Makefile.in: Regenerate. 4135 4136 2022-04-19 Patrick Palka <ppalka (a] redhat.com> 4137 4138 * src/c++17/floating_to_chars.cc (_GLIBCXX_ASSERTIONS): Don't 4139 define. 4140 (__floating_to_chars_shortest): Add __builtin_unreachable calls to 4141 squelch false-positive -Wmaybe-uninitialized and -Wreturn-type 4142 warnings. 4143 (__floating_to_chars_precision): Likewise. 4144 4145 2022-04-19 Philipp Fent <fent (a] in.tum.de> 4146 4147 * python/libstdcxx/v6/printers.py (StdSpanPrinter): Define. 4148 * testsuite/libstdc++-prettyprinters/cxx20.cc: Test it. 4149 4150 2022-04-19 Jonathan Wakely <jwakely (a] redhat.com> 4151 4152 * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Fix shell operators. 4153 * configure: Regenerate. 4154 4155 2022-04-18 Patrick Palka <ppalka (a] redhat.com> 4156 4157 * include/std/charconv (__from_chars_pow2_base): Manually 4158 unroll the first iteration of the main loop and simplify 4159 accordingly. 4160 4161 2022-04-15 Patrick Palka <ppalka (a] redhat.com> 4162 4163 PR libstdc++/104858 4164 * include/bits/ranges_algo.h (__minmax_fn): Avoid dereferencing 4165 __first twice at the start. 4166 * testsuite/25_algorithms/minmax/constrained.cc (test06): New test. 4167 4168 2022-04-15 Patrick Palka <ppalka (a] redhat.com> 4169 4170 * include/std/charconv (__from_chars_alnum_to_val_table): Define. 4171 (__from_chars_alnum_to_val): Define. 4172 (__from_chars_binary): Rename to ... 4173 (__from_chars_pow2_base): ... this. Generalize to handle any 4174 power-of-two base using __from_chars_alnum_to_val. 4175 (__from_chars_digit): Optimize digit recognition to a single 4176 test instead of two tests. Use [[__unlikely___]] attribute. 4177 (__from_chars_alpha_to_num): Remove. 4178 (__from_chars_alnum): Use __from_chars_alnum_to_val. Use a 4179 nested loop for the overflow case. Maintain a lower bound 4180 on the number of available bits in the result and use it to 4181 omit the overflow check. 4182 (from_chars): Adjust appropriately. 4183 * src/c++17/floating_from_chars.cc (ascii_to_hexit): Remove. 4184 (__floating_from_chars_hex): Use __from_chars_alnum_to_val 4185 to recognize a hex digit instead. 4186 4187 2022-04-14 Palmer Dabbelt <palmer (a] rivosinc.com> 4188 4189 * acinclude.m4 (GLIBCXX_ENABLE_LOCK_POLICY): Force auto to mutex 4190 for RISC-V. 4191 * configure: Regenerate. 4192 4193 2022-04-14 Jonathan Wakely <jwakely (a] redhat.com> 4194 4195 * doc/xml/manual/intro.xml: Fix comment. 4196 4197 2022-04-14 Jonathan Wakely <jwakely (a] redhat.com> 4198 4199 * include/precompiled/stdc++.h: Include <stacktrace> and 4200 <stdatomic.h> for C++23. 4201 4202 2022-04-14 Jonathan Wakely <jwakely (a] redhat.com> 4203 4204 PR libstdc++/105269 4205 * include/bits/stl_vector.h (__cpp_lib_constexpr_vector): 4206 Define. 4207 * include/c_compatibility/stdatomic.h (__cpp_lib_stdatomic_h): 4208 Define. 4209 * include/std/optional (__cpp_lib_optional): Define new value 4210 for C++23. 4211 (__cpp_lib_monadic_optional): Remove. 4212 * include/std/version (__cpp_lib_constexpr_vector): Define. 4213 (__cpp_lib_stdatomic_h): Define. 4214 (__cpp_lib_optional): Define new value for C++23. 4215 (__cpp_lib_monadic_optional): Remove. 4216 * testsuite/20_util/optional/monadic/and_then.cc: Adjust. 4217 * testsuite/20_util/optional/requirements.cc: Adjust for C++23. 4218 * testsuite/20_util/optional/version.cc: Likewise. 4219 * testsuite/23_containers/vector/cons/constexpr.cc: Check 4220 feature test macro. 4221 * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc: 4222 Likewise. 4223 * testsuite/20_util/optional/monadic/version.cc: Removed. 4224 * testsuite/23_containers/vector/requirements/version.cc: New test. 4225 * testsuite/29_atomics/headers/stdatomic.h/version.cc: New test. 4226 4227 2022-04-12 Jonathan Wakely <jwakely (a] redhat.com> 4228 4229 * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Check for mmap. 4230 * config.h.in: Regenerate. 4231 * configure: Regenerate. 4232 4233 2022-04-12 Jonathan Wakely <jwakely (a] redhat.com> 4234 4235 * include/std/stacktrace (basic_stacktrace::current): Reallocate 4236 a smaller container if the unused capacity is larger than the 4237 used size. 4238 4239 2022-04-12 Jonathan Wakely <jwakely (a] redhat.com> 4240 4241 * include/std/stacktrace (basic_stacktrace): Use _Impl::_M_clone 4242 or _Impl::_M_assign to initialize elements in allocated storage. 4243 (basic_stacktrace::_M_clear()): Use _Impl::_M_resize instead of 4244 _Impl::_M_destroy. 4245 (basic_stacktrace::_Impl::_M_destroy()): Replace with ... 4246 (basic_stacktrace::_Impl::_M_resize(size_type, allocator&)): New 4247 function. 4248 (basic_stacktrace::_Impl::_M_push_back): Use _M_xclone. Construct 4249 new element using allocator. 4250 (basic_stacktrace::_Impl::_M_clone): New function. 4251 (basic_stacktrace::_Impl::_M_xclone): New function. 4252 (basic_stacktrace::_Impl::_M_assign): New function. 4253 4254 2022-04-12 Jonathan Wakely <jwakely (a] redhat.com> 4255 4256 * include/std/stacktrace (basic_stacktrace::_Impl::_M_allocate): 4257 Use nothrow new instead of try block for std::allocator. 4258 (basic_stacktrace::_Impl::_M_deallocate): Use delete for 4259 std::allocator. 4260 4261 2022-04-12 Jonathan Wakely <jwakely (a] redhat.com> 4262 4263 * include/std/stacktrace (basic_stacktrace::current): Replace 4264 calls to _M_reserve and _S_curr_cb with call to _M_prepare. 4265 Check return value of backtrace_simple when max depth given. 4266 (basic_stacktrace::_M_reserve): Remove. 4267 (basic_stacktrace::_S_curr_cb): Remove. 4268 (basic_stacktrace::_M_prepare(size_type)): New function to 4269 reserve initial capacity and return callback. 4270 (basic_stacktrace::_Impl::_M_allocate): Remove check for 0 < n 4271 and remove redundant zeroing of _M_frames and _M_capacity. 4272 (basic_stacktrace::_Impl::_M_push_back): Add [[unlikely]] 4273 attribute. Assign _Impl instead of swapping. 4274 * testsuite/19_diagnostics/stacktrace/current.cc: New test. 4275 4276 2022-04-11 Jonathan Wakely <jwakely (a] redhat.com> 4277 4278 * include/std/stacktrace (basic_stacktrace::_Impl::_M_allocate): 4279 Change [[unlikely]] attribute to [[likely]]. 4280 4281 2022-04-11 Jonathan Wakely <jwakely (a] redhat.com> 4282 4283 PR libstdc++/105031 4284 * include/std/stacktrace (basic_stacktrace::basic_stacktrace): 4285 Fix allocator usage in constructors. 4286 (basic_stacktrace::operator=(const basic_stacktrace&)): Do not 4287 try to reallocate using const allocator. 4288 (basic_stacktrace::operator=(basic_stacktrace&&)): Fix 4289 if-constexpr with non-constant condition. Do not allocate new 4290 storage if allocator propagates. Do not set _M_size if 4291 allocation fails. 4292 (basic_stacktrace::swap(basic_stacktrace&)): Fix typo. Add 4293 assertion that non-propagating allocators are equal. 4294 * testsuite/19_diagnostics/stacktrace/stacktrace.cc: New test. 4295 4296 2022-04-11 Jonathan Wakely <jwakely (a] redhat.com> 4297 4298 * include/std/stacktrace (basic_stacktrace::current): Duplicate 4299 implementation into each overload. Add noinline attribute and 4300 skip current frame. 4301 (basic_stacktrace::max_size()): Call _Impl::_S_max_size. 4302 (basic_stacktrace::_S_curr_cb()): New function defining lambda. 4303 (basic_stacktrace::_Impl::_S_max_size): New function defining 4304 maximum size in terms of allocator and size_type. 4305 (basic_stacktrace::_Impl::_M_allocate): Check against 4306 max_size(). 4307 * testsuite/19_diagnostics/stacktrace/entry.cc: Call function 4308 for non-constexpr checks. Check line number is correct. 4309 4310 2022-04-11 Jonathan Wakely <jwakely (a] redhat.com> 4311 4312 * testsuite/20_util/stacktrace/entry.cc: Moved to... 4313 * testsuite/19_diagnostics/stacktrace/entry.cc: ...here. 4314 * testsuite/20_util/stacktrace/synopsis.cc: Moved to... 4315 * testsuite/19_diagnostics/stacktrace/synopsis.cc: ...here. 4316 * testsuite/20_util/stacktrace/version.cc: Moved to... 4317 * testsuite/19_diagnostics/stacktrace/version.cc: ...here. 4318 4319 2022-04-11 Jonathan Wakely <jwakely (a] redhat.com> 4320 4321 * include/experimental/bits/fs_path.h (path): Define special 4322 members after path::_Cmpt is complete. 4323 4324 2022-04-08 Jonathan Wakely <jwakely (a] redhat.com> 4325 4326 PR libstdc++/105153 4327 * include/std/expected 4328 (expected<void,E>::expected(expected<U,G>&&)): Fix constraints. 4329 * testsuite/20_util/expected/cons.cc: Check constructor. 4330 4331 2022-04-08 Jonathan Wakely <jwakely (a] redhat.com> 4332 4333 PR libstdc++/105154 4334 * include/std/expected (expected<void, E>::swap): Set 4335 _M_has_value to false for objects that previously had a value. 4336 * testsuite/20_util/expected/swap.cc: Fix test to check void 4337 specialization. 4338 4339 2022-04-08 Jonathan Wakely <jwakely (a] redhat.com> 4340 4341 PR libstdc++/105146 4342 * include/std/expected (bad_expected_access): Move constructor 4343 parameter. 4344 * testsuite/20_util/expected/bad.cc: New test. 4345 4346 2022-04-07 Hans-Peter Nilsson <hp (a] axis.com> 4347 4348 * testsuite/20_util/expected/requirements.cc: Correct minimal-size 4349 test. 4350 4351 2022-04-02 Jakub Jelinek <jakub (a] redhat.com> 4352 4353 PR libstdc++/105128 4354 * include/std/source_location (std::source_location::__impl): Move 4355 definition before using __builtin_ret_type. 4356 4357 2022-04-01 Jonathan Wakely <jwakely (a] redhat.com> 4358 4359 * include/std/utility (unreachable): Define for C++23. 4360 * include/std/version (__cpp_lib_unreachable): Define. 4361 * src/c++11/debug.cc (__glibcxx_assert_fail): Check for valid 4362 arguments. Handle only the function being given. 4363 * testsuite/20_util/unreachable/1.cc: New test. 4364 * testsuite/20_util/unreachable/version.cc: New test. 4365 4366 2022-04-01 Jonathan Wakely <jwakely (a] redhat.com> 4367 4368 * include/experimental/bits/fs_fwd.h (copy_file): Remove 4369 incorrect noexcept from declaration. 4370 * include/experimental/bits/fs_path.h (path::begin, path::end): 4371 Add noexcept to declarations, to match definitions. 4372 4373 2022-04-01 Timm Bder <tbaeder (a] redhat.com> 4374 4375 * include/bits/fs_ops.h: Fix filename in Doxygen comment. 4376 * include/experimental/bits/fs_ops.h: Likewise. 4377 4378 2022-03-31 Jonathan Wakely <jwakely (a] redhat.com> 4379 4380 * libsupc++/new_opa.cc (aligned_alloc): Add comment. 4381 4382 2022-03-29 Jonathan Wakely <jwakely (a] redhat.com> 4383 4384 * testsuite/18_support/exception/38732.cc: Disable for C++23. 4385 * testsuite/18_support/headers/exception/synopsis.cc: Likewise. 4386 * testsuite/18_support/unexpected_handler.cc: Likewise. 4387 4388 2022-03-29 Jonathan Wakely <jwakely (a] redhat.com> 4389 4390 * libsupc++/compare (_Strong_order) [!__cpp_using_enum]: Add 4391 static data members for _Fp_fmt enumerators. 4392 4393 2022-03-29 Jonathan Wakely <jwakely (a] redhat.com> 4394 4395 * include/std/version (__cpp_lib_variant): Fix conditions to 4396 match <variant>. 4397 (__cpp_lib_expected): Fix condition to match <expected>. 4398 4399 2022-03-28 Jonathan Wakely <jwakely (a] redhat.com> 4400 4401 * testsuite/20_util/optional/monadic/and_then.cc: Fix typo. 4402 * testsuite/20_util/optional/monadic/transform.cc: Likewise. 4403 * testsuite/22_locale/codecvt/always_noconv/char/1.cc: Likewise. 4404 * testsuite/22_locale/codecvt/encoding/char/1.cc: Likewise. 4405 * testsuite/22_locale/codecvt/in/char/1.cc: Likewise. 4406 * testsuite/22_locale/codecvt/max_length/char/1.cc: Likewise. 4407 * testsuite/22_locale/codecvt/out/char/1.cc: Likewise. 4408 * testsuite/22_locale/codecvt/unshift/char/1.cc: Likewise. 4409 4410 2022-03-27 Jonathan Wakely <jwakely (a] redhat.com> 4411 4412 * doc/doxygen/user.cfg.in: Add new header. 4413 * include/Makefile.am: Likewise. 4414 * include/Makefile.in: Regenerate. 4415 * include/precompiled/stdc++.h: Add new header. 4416 * include/std/version (__cpp_lib_expected): Define. 4417 * libsupc++/exception [__cplusplus > 202002] (unexpected) 4418 (unexpected_handler, set_unexpected): Do not declare for C++23. 4419 * include/std/expected: New file. 4420 * testsuite/20_util/expected/assign.cc: New test. 4421 * testsuite/20_util/expected/cons.cc: New test. 4422 * testsuite/20_util/expected/illformed_neg.cc: New test. 4423 * testsuite/20_util/expected/observers.cc: New test. 4424 * testsuite/20_util/expected/requirements.cc: New test. 4425 * testsuite/20_util/expected/swap.cc: New test. 4426 * testsuite/20_util/expected/synopsis.cc: New test. 4427 * testsuite/20_util/expected/unexpected.cc: New test. 4428 * testsuite/20_util/expected/version.cc: New test. 4429 4430 2022-03-25 Jonathan Wakely <jwakely (a] redhat.com> 4431 4432 * include/std/bit (bit_cast, byteswap, endian): Add doxygen 4433 comments. 4434 4435 2022-03-23 Jonathan Wakely <jwakely (a] redhat.com> 4436 4437 PR libstdc++/105027 4438 * include/std/bit (bit_cast): Add constraints. 4439 * testsuite/26_numerics/bit/bit.cast/105027.cc: New test. 4440 4441 2022-03-23 Jonathan Wakely <jwakely (a] redhat.com> 4442 4443 * include/std/version [!_GLIBCXX_HOSTED] 4444 (__cpp_lib_hardware_interference_size): Define for freestanding. 4445 (__cpp_lib_bit_cast): Likewise. 4446 (__cpp_lib_is_layout_compatible): Likewise. 4447 (__cpp_lib_is_pointer_interconvertible): Likewise. 4448 (__cpp_lib_adaptor_iterator_pair_constructor): Do not define for 4449 freestanding. 4450 (__cpp_lib_invoke_r): Likewise. 4451 (__cpp_lib_ios_noreplace): Likewise. 4452 (__cpp_lib_monadic_optional): Likewise. 4453 (__cpp_lib_move_only_function): Likewise. 4454 (__cpp_lib_spanstream): Likewise. 4455 (__cpp_lib_stacktrace): Likewise. 4456 (__cpp_lib_string_contains): Likewise. 4457 (__cpp_lib_string_resize_and_overwrite): Likewise. 4458 (__cpp_lib_to_underlying): Likewise. 4459 4460 2022-03-23 Jonathan Wakely <jwakely (a] redhat.com> 4461 4462 PR libstdc++/105021 4463 * include/bits/atomic_base.h [!_GLIBCXX_HOSTED]: Do not include 4464 <bits/atomic_wait.h> for freestanding. 4465 4466 2022-03-22 Hans-Peter Nilsson <hp (a] axis.com> 4467 4468 * testsuite/20_util/from_chars/6.cc (test01) [FE_DOWNWARD]: 4469 Conditionalize call to fesetround. 4470 4471 2022-03-21 Jakub Jelinek <jakub (a] redhat.com> 4472 4473 PR libstdc++/104990 4474 * include/bits/locale_facets_nonio.tcc (get): Don't check if do_get 4475 isn't overloaded if __clang__ is defined. 4476 4477 2022-03-18 Jonathan Wakely <jwakely (a] redhat.com> 4478 4479 PR libstdc++/104242 4480 * include/std/any (any(T&&)): Revert change to constraints. 4481 * testsuite/20_util/any/cons/104242.cc: New test. 4482 4483 2022-03-18 Jonathan Wakely <jwakely (a] redhat.com> 4484 4485 PR libstdc++/92546 4486 * include/pstl/glue_algorithm_defs.h: Replace <functional> with 4487 <bits/stl_pair.h>. 4488 * include/pstl/utils.h: Replace <iterator> with <type_traits>. 4489 (__pstl::__internal::__except_handler): Use std::__terminate 4490 instead of std::terminate. 4491 * src/c++17/fs_path.cc: Include <array>. 4492 * testsuite/25_algorithms/adjacent_find/constexpr.cc: Include 4493 <functional>. 4494 * testsuite/25_algorithms/binary_search/constexpr.cc: Likewise. 4495 * testsuite/25_algorithms/clamp/constrained.cc: Likewise. 4496 * testsuite/25_algorithms/equal/constrained.cc: Likewise. 4497 * testsuite/25_algorithms/for_each/constrained.cc: Likewise. 4498 * testsuite/25_algorithms/includes/constrained.cc: Likewise. 4499 * testsuite/25_algorithms/is_heap/constexpr.cc: Likewise. 4500 * testsuite/25_algorithms/is_heap_until/constexpr.cc: Likewise. 4501 * testsuite/25_algorithms/is_permutation/constrained.cc: Include 4502 <iterator>. 4503 * testsuite/25_algorithms/is_sorted/constexpr.cc: Include 4504 <functional>. 4505 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: 4506 Likewise. 4507 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: 4508 Likewise. 4509 * testsuite/25_algorithms/lexicographical_compare/constrained.cc: 4510 Likewise. 4511 * testsuite/25_algorithms/lexicographical_compare_three_way/1.cc: 4512 Include <array>. 4513 * testsuite/25_algorithms/lower_bound/constexpr.cc: Include 4514 <functional>. 4515 * testsuite/25_algorithms/max/constrained.cc: Likewise. 4516 * testsuite/25_algorithms/max_element/constrained.cc: Likewise. 4517 * testsuite/25_algorithms/min/constrained.cc: Likewise. 4518 * testsuite/25_algorithms/min_element/constrained.cc: Likewise. 4519 * testsuite/25_algorithms/minmax_element/constrained.cc: 4520 Likewise. 4521 * testsuite/25_algorithms/mismatch/constexpr.cc: Likewise. 4522 * testsuite/25_algorithms/move/93872.cc: Likewise. 4523 * testsuite/25_algorithms/move_backward/93872.cc: Include 4524 <iterator>. 4525 * testsuite/25_algorithms/nth_element/constexpr.cc: Include 4526 <functional>. 4527 * testsuite/25_algorithms/partial_sort/constexpr.cc: Likewise. 4528 * testsuite/25_algorithms/partial_sort_copy/constexpr.cc: 4529 Likewise. 4530 * testsuite/25_algorithms/search/constexpr.cc: Likewise. 4531 * testsuite/25_algorithms/search_n/constrained.cc: Likewise. 4532 * testsuite/25_algorithms/set_difference/constexpr.cc: Likewise. 4533 * testsuite/25_algorithms/set_difference/constrained.cc: 4534 Likewise. 4535 * testsuite/25_algorithms/set_intersection/constexpr.cc: 4536 Likewise. 4537 * testsuite/25_algorithms/set_intersection/constrained.cc: 4538 Likewise. 4539 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: 4540 Likewise. 4541 * testsuite/25_algorithms/set_union/constexpr.cc: Likewise. 4542 * testsuite/25_algorithms/set_union/constrained.cc: Likewise. 4543 * testsuite/25_algorithms/sort/constexpr.cc: Likewise. 4544 * testsuite/25_algorithms/sort_heap/constexpr.cc: Likewise. 4545 * testsuite/25_algorithms/transform/constrained.cc: Likewise. 4546 * testsuite/25_algorithms/unique/constexpr.cc: Likewise. 4547 * testsuite/25_algorithms/unique/constrained.cc: Likewise. 4548 * testsuite/25_algorithms/unique_copy/constexpr.cc: Likewise. 4549 * testsuite/25_algorithms/upper_bound/constexpr.cc: Likewise. 4550 * testsuite/std/ranges/adaptors/elements.cc: Include <vector>. 4551 * testsuite/std/ranges/adaptors/lazy_split.cc: Likewise. 4552 * testsuite/std/ranges/adaptors/split.cc: Likewise. 4553 4554 2022-03-17 Jonathan Wakely <jwakely (a] redhat.com> 4555 4556 PR libstdc++/92546 4557 * include/bits/fs_path.h (path::make_preferred): Use 4558 handwritten loop instead of std::replace. 4559 4560 2022-03-17 Jonathan Wakely <jwakely (a] redhat.com> 4561 4562 PR middle-end/104966 4563 * include/bits/locale_facets_nonio.tcc 4564 (__moneypunct_cache::_M_cache): Replace try-catch with RAII and 4565 make all string copies before any stores to *this. 4566 4567 2022-03-17 Jonathan Wakely <jwakely (a] redhat.com> 4568 4569 * testsuite/util/testsuite_character.h: Fix comment. 4570 4571 2022-03-16 Jonathan Wakely <jwakely (a] redhat.com> 4572 4573 PR libstdc++/103407 4574 * config/abi/pre/gnu.ver: Make version for std::from_chars 4575 depend on HAVE_USELOCALE macro. 4576 * testsuite/util/testsuite_abi.cc (compare_symbols): Treat 4577 std::from_chars for floating-point types as undesignated if 4578 not found in the baseline symbols file. 4579 4580 2022-03-16 Jonathan Wakely <jwakely (a] redhat.com> 4581 4582 * include/std/charconv (__cpp_lib_to_chars): Only define when 4583 both from_chars and to_chars are supported for floating-point 4584 types. 4585 (from_chars, to_chars): Adjust preprocessor conditions guarding 4586 declarations. 4587 * include/std/version (__cpp_lib_to_chars): Adjust condition to 4588 match <charconv> definition. 4589 * src/c++17/floating_from_chars.cc (from_chars_strtod): New 4590 function template. 4591 (from_chars): Simplify preprocessor checks and use 4592 from_chars_strtod when appropriate. 4593 4594 2022-03-14 Jonathan Wakely <jwakely (a] redhat.com> 4595 4596 PR libstdc++/104875 4597 * src/c++11/codecvt.cc (read_utf8_code_point): Use char32_t to 4598 hold octets that will be left-shifted. 4599 4600 2022-03-10 Jonathan Wakely <jwakely (a] redhat.com> 4601 4602 PR libstdc++/104870 4603 * src/c++17/floating_from_chars.cc: Check __SIZE_WIDTH__ >= 32 4604 before using fast_float. 4605 4606 2022-03-10 Detlef Vollmann <dv (a] vollmann.ch> 4607 4608 PR libstdc++/104866 4609 * include/bits/this_thread_sleep.h: Fix order of #endif and 4610 closing brace of namespace. 4611 4612 2022-03-10 Jonathan Wakely <jwakely (a] redhat.com> 4613 4614 * libsupc++/compare (_Strong_order::_S_fp_cmp) [__vax__]: 4615 Handle NaN. 4616 4617 2022-03-10 Jonathan Wakely <jwakely (a] redhat.com> 4618 4619 * libsupc++/compare (_Strong_ordering::_S_fp_cmp) [__vax__]: Use 4620 <=> comparison. 4621 4622 2022-03-09 Patrick Palka <ppalka (a] redhat.com> 4623 4624 PR libstdc++/104859 4625 * src/c++17/floating_to_chars.cc (__floating_to_chars_hex): 4626 Be explicit when narrowing the shifted effective_mantissa, 4627 since it may have an integer-class type. 4628 4629 2022-03-08 Jonathan Wakely <jwakely (a] redhat.com> 4630 4631 * include/bits/uses_allocator_args.h: Remove incorrect copyright 4632 notice. 4633 4634 2022-03-07 Jonathan Wakely <jwakely (a] redhat.com> 4635 4636 PR libstdc++/104807 4637 * include/bits/c++config (__terminate, __glibcxx_assert_fail): 4638 Replace _GLIBCXX_VISIBILITY on function with visibility pragma. 4639 (__is_constant_evaluated): Add visibility pragma. 4640 4641 2022-03-07 Rasmus Villemoes <rasmus.villemoes (a] prevas.dk> 4642 4643 * config/locale/vxworks/ctype_members.cc: Remove <iostream> 4644 include. 4645 4646 2022-03-05 Jonathan Wakely <jwakely (a] redhat.com> 4647 4648 * include/bits/c++config (__glibcxx_assert_fail): Add visibility 4649 attribute. 4650 (__terminate): Likewise. 4651 4652 2022-03-04 Jonathan Wakely <jwakely (a] redhat.com> 4653 4654 * libsupc++/compare (strong_order::_S_fp_cmp): Move typedef 4655 inside #if condition. 4656 4657 2022-03-03 Jonathan Wakely <jwakely (a] redhat.com> 4658 4659 PR libstdc++/104748 4660 * testsuite/std/ranges/adaptors/all.cc: Use non-debug vector for 4661 constexpr test. 4662 4663 2022-03-03 Jonathan Wakely <jwakely (a] redhat.com> 4664 4665 * testsuite/17_intro/names.cc (func): Undef on AIX. 4666 4667 2022-03-03 Jonathan Wakely <jwakely (a] redhat.com> 4668 4669 PR libstdc++/96526 4670 * libsupc++/compare (strong_order): Add missing support for 4671 floating-point types. 4672 * testsuite/18_support/comparisons/algorithms/strong_order_floats.cc: 4673 New test. 4674 4675 2022-03-01 Jonathan Wakely <jwakely (a] redhat.com> 4676 4677 PR middle-end/103984 4678 * include/bits/regex_compiler.h (_BracketMatcher::_M_char): Use 4679 default member initializer. 4680 4681 2022-02-24 Jonathan Wakely <jwakely (a] redhat.com> 4682 4683 PR libstdc++/104602 4684 * include/std/source_location (source_location::current): Use 4685 deduced type of __builtin_source_location(). 4686 4687 2022-02-22 Patrick Palka <ppalka (a] redhat.com> 4688 4689 * include/bits/ranges_base.h (__detail::__is_initializer_list): 4690 Define. 4691 (viewable_range): Adjust as per P2415R2. 4692 * include/bits/ranges_cmp.h (__cpp_lib_ranges): Adjust value. 4693 * include/std/ranges (owning_view): Define as per P2415R2. 4694 (enable_borrowed_range<owning_view>): Likewise. 4695 (views::__detail::__can_subrange): Replace with ... 4696 (views::__detail::__can_owning_view): ... this. 4697 (views::_All::_S_noexcept): Sync with operator(). 4698 (views::_All::operator()): Use owning_view instead of subrange 4699 as per P2415R2. 4700 * include/std/version (__cpp_lib_ranges): Adjust value. 4701 * testsuite/std/ranges/adaptors/all.cc (test06): Adjust now that 4702 views::all uses owning_view instead of subrange. 4703 (test08): New test. 4704 * testsuite/std/ranges/adaptors/lazy_split.cc (test09): Adjust 4705 now that rvalue non-view non-borrowed ranges are viewable. 4706 * testsuite/std/ranges/adaptors/split.cc (test06): Likewise. 4707 4708 2022-02-17 Jonathan Wakely <jwakely (a] redhat.com> 4709 4710 PR libstdc++/104559 4711 * doc/xml/manual/evolution.xml: Document deprecation. 4712 * doc/html/manual/api.html: Regenerate. 4713 * include/bits/stl_bvector.h (insert(const_iterator, const bool&)): 4714 Remove default argument. 4715 (insert(const_iterator)): New overload with deprecated attribute. 4716 * testsuite/23_containers/vector/bool/modifiers/insert/104559.cc: 4717 New test. 4718 4719 2022-02-17 Jonathan Wakely <jwakely (a] redhat.com> 4720 4721 * python/libstdcxx/v6/printers.py (StdErrorCodePrinter): Replace 4722 code that call cat->name() on std::error_category objects. 4723 Identify known categories by symbol name and use a hardcoded 4724 name. Print error code values as enumerators where appopriate. 4725 * testsuite/libstdc++-prettyprinters/cxx11.cc: Adjust expected 4726 name of custom category. Check io_errc and future_errc errors. 4727 4728 2022-02-15 Jonathan Wakely <jwakely (a] redhat.com> 4729 4730 PR libstdc++/104542 4731 * include/bits/uses_allocator_args.h (make_obj_using_allocator) 4732 (uninitialized_construct_using_allocator): Add constexpr. 4733 * testsuite/20_util/uses_allocator/make_obj.cc: Check constexpr. 4734 * testsuite/20_util/uses_allocator/uninitialized_construct.cc: New test. 4735 4736 2022-02-14 Jonathan Wakely <jwakely (a] redhat.com> 4737 4738 PR libstdc++/100912 4739 * config/locale/gnu/c_locale.h (__convert_from_v): Use inline 4740 namespace for IEEE128 long double mode. 4741 * config/os/gnu-linux/ldbl-ieee128-extra.ver: Add new symbol 4742 version and export __gnu_cxx_ieee128::__convert_from_v. 4743 * include/bits/locale_facets_nonio.tcc (money_put::__do_put): 4744 Make __ibm128 overload use snprintf directly 4745 * testsuite/util/testsuite_abi.cc: Add new symbol version. 4746 Remove stable IEEE128/LDBL versions. 4747 4748 2022-02-14 Jonathan Wakely <jwakely (a] redhat.com> 4749 4750 PR libstdc++/103891 4751 * include/bits/c++config (_GLIBCXX_HAVE_COND_TRIVIAL_SPECIAL_MEMBERS): 4752 Remove. 4753 * include/std/variant: Check feature test macros instead. 4754 * include/std/version: Likewise. 4755 4756 2022-02-14 Jonathan Wakely <jwakely (a] redhat.com> 4757 4758 * testsuite/20_util/unsynchronized_pool_resource/allocate.cc: 4759 Fix typo. 4760 4761 2022-02-14 Jonathan Wakely <jwakely (a] redhat.com> 4762 4763 * src/c++17/floating_to_chars.cc (FLOAT128_TO_CHARS): Depend on 4764 LONG_DOUBLE_ALT128_COMPAT instead of USE_FLOAT128. 4765 4766 2022-02-11 Jonathan Wakely <jwakely (a] redhat.com> 4767 4768 * testsuite/20_util/temporary_buffer.cc: Fix dg-warning target 4769 selector. 4770 4771 2022-02-11 Jonathan Wakely <jwakely (a] redhat.com> 4772 4773 * testsuite/20_util/monotonic_buffer_resource/allocate.cc: 4774 Ignore -Walloc-larger-than warning. 4775 * testsuite/20_util/unsynchronized_pool_resource/allocate.cc: 4776 Likewise. 4777 * testsuite/29_atomics/atomic/cons/user_pod.cc: Compile with -O1 4778 to avoid linker error for __atomic_is_lock_free. 4779 4780 2022-02-10 Thomas Rodgers <rodgert (a] appliantology.com> 4781 4782 * include/bits/atomic_wait.h (__waiter_base::_S_do_spin, 4783 __waiter_base::_S_do_spin_v): Change memory order from relaxed 4784 to acquire. 4785 4786 2022-02-10 Jonathan Wakely <jwakely (a] redhat.com> 4787 4788 * include/c_compatibility/stdatomic.h (atomic_fetch_xor): Add 4789 using-declaration. 4790 (atomic_fetch_xor_explicit): Likewise. 4791 * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc: Check 4792 arithmetic and logical operations for atomic_int. 4793 4794 2022-02-10 Jonathan Wakely <jwakely (a] redhat.com> 4795 4796 * src/filesystem/dir-common.h (_GLIBCXX_HAVE_DIRFD): Undefine 4797 when <dirent.h> is not available. 4798 (_GLIBCXX_HAVE_UNLINKAT): Likewise. 4799 4800 2022-02-09 Thomas Rodgers <rodgert (a] appliantology.com> 4801 4802 PR libstdc++/104442 4803 * include/bits/atomic_wait.h (__waiter::_M_do_wait_v): Move spin 4804 loop inside do loop so that threads failing the wait, reload 4805 _M_ver. 4806 4807 2022-02-08 Jonathan Wakely <jwakely (a] redhat.com> 4808 4809 * src/c++17/fs_dir.cc (_Dir(DIR*, const path&)): Change first 4810 parameter to _Dir_base&&. 4811 * src/filesystem/dir-common.h (_Dir_base(DIR*)): Remove. 4812 * src/filesystem/dir.cc (_Dir(DIR*, const path&)): Change first 4813 parameter to _Dir_base&&. 4814 4815 2022-02-08 Jonathan Wakely <jwakely (a] redhat.com> 4816 4817 * acinclude.m4 (GLIBCXX_ENABLE_LOCK_POLICY): Add comment about 4818 checking for CAS on correct word size. 4819 4820 2022-02-08 Jonathan Wakely <jwakely (a] redhat.com> 4821 4822 * testsuite/experimental/filesystem/operations/create_directories.cc: 4823 Adjust expected results for Windows. 4824 4825 2022-02-08 Jonathan Wakely <jwakely (a] redhat.com> 4826 4827 PR libstdc++/104161 4828 * src/c++17/fs_dir.cc (fs::recursive_directory_iterator::__erase): 4829 [i_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Refresh entry._M_type member, 4830 instead of checking for errno values indicating a directory. 4831 * src/c++17/fs_ops.cc (fs::remove_all(const path&)): Use similar 4832 logic to non-throwing overload. 4833 (fs::remove_all(const path&, error_code&)): Add comments. 4834 * src/filesystem/ops-common.h: Likewise. 4835 4836 2022-02-04 Jonathan Wakely <jwakely (a] redhat.com> 4837 4838 * src/filesystem/dir-common.h (_Dir_base::openat): Change return 4839 type to use portable posix::DIR alias. 4840 4841 2022-02-04 Jonathan Wakely <jwakely (a] redhat.com> 4842 4843 * include/c_compatibility/stdatomic.h [__clang__]: Use 4844 #include_next <stdatomic.h>. 4845 4846 2022-02-04 Jonathan Wakely <jwakely (a] redhat.com> 4847 4848 * include/experimental/bits/fs_ops.h (fs::copy_file): Remove 4849 noexcept. 4850 (fs::create_directories): Likewise. 4851 (fs::remove_all): Likewise. 4852 * src/filesystem/ops.cc (fs::copy_file): Remove noexcept. 4853 (fs::create_directories): Likewise. 4854 (fs::remove_all): Likewise. 4855 4856 2022-02-04 Jonathan Wakely <jwakely (a] redhat.com> 4857 4858 PR libstdc++/104161 4859 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for dirfd 4860 and unlinkat. 4861 * config.h.in: Regenerate. 4862 * configure: Regenerate. 4863 * include/bits/fs_dir.h (recursive_directory_iterator): Declare 4864 remove_all overloads as friends. 4865 (recursive_directory_iterator::__erase): Declare new member 4866 function. 4867 * include/bits/fs_fwd.h (remove, remove_all): Declare. 4868 * src/c++17/fs_dir.cc (_Dir): Add filename_only parameter to 4869 constructor. Pass file descriptor argument to base constructor. 4870 (_Dir::dir_and_pathname, _Dir::open_subdir, _Dir::do_unlink) 4871 (_Dir::unlink, _Dir::rmdir): Define new member functions. 4872 (directory_iterator): Pass filename_only argument to _Dir 4873 constructor. 4874 (recursive_directory_iterator::_Dir_stack): Adjust constructor 4875 parameters to take a _Dir rvalue instead of creating one. 4876 (_Dir_stack::orig): Add data member for storing original path. 4877 (_Dir_stack::report_error): Define new member function. 4878 (__directory_iterator_nofollow): Move here from dir-common.h and 4879 fix value to be a power of two. 4880 (__directory_iterator_filename_only): Define new constant. 4881 (recursive_directory_iterator): Construct _Dir object and move 4882 into _M_dirs stack. Pass skip_permission_denied argument to first 4883 advance call. 4884 (recursive_directory_iterator::increment): Use _Dir::open_subdir. 4885 (recursive_directory_iterator::__erase): Define new member 4886 function. 4887 * src/c++17/fs_ops.cc (ErrorReporter, do_remove_all): Remove. 4888 (fs::remove_all): Use new recursive_directory_iterator::__erase 4889 member function. 4890 * src/filesystem/dir-common.h (_Dir_base): Add int parameter to 4891 constructor and use openat to implement nofollow semantics. 4892 (_Dir_base::fdcwd, _Dir_base::set_close_on_exec, _Dir_base::openat): 4893 Define new member functions. 4894 (__directory_iterator_nofollow): Move to fs_dir.cc. 4895 * src/filesystem/dir.cc (_Dir): Pass file descriptor argument to 4896 base constructor. 4897 (_Dir::dir_and_pathname, _Dir::open_subdir): Define new member 4898 functions. 4899 (recursive_directory_iterator::_Dir_stack): Adjust constructor 4900 parameters to take a _Dir rvalue instead of creating one. 4901 (recursive_directory_iterator): Check for new nofollow option. 4902 Construct _Dir object and move into _M_dirs stack. Pass 4903 skip_permission_denied argument to first advance call. 4904 (recursive_directory_iterator::increment): Use _Dir::open_subdir. 4905 * src/filesystem/ops.cc (fs::remove_all): Use C++17 remove_all. 4906 4907 2022-02-04 Jonathan Wakely <jwakely (a] redhat.com> 4908 4909 * include/bits/allocator.h: Qualify std::allocator_traits in 4910 deprecated warnings. 4911 * libsupc++/exception (uncaught_exception): Add suggestion to 4912 deprecated warning. 4913 4914 2022-02-02 Jonathan Wakely <jwakely (a] redhat.com> 4915 4916 * src/c++17/fs_dir.cc (fs::recursive_directory_iterator::pop): 4917 Add [[maybe_unused]] attribute. 4918 * src/filesystem/dir.cc (fs::recursive_directory_iterator::pop): 4919 Likewise. 4920 4921 2022-02-02 Jonathan Wakely <jwakely (a] redhat.com> 4922 4923 * testsuite/23_containers/multiset/operators/cmp_c++20.cc: Use 4924 custom comparison function for multiset. 4925 * testsuite/23_containers/set/operators/cmp_c++20.cc: Use custom 4926 comparison function for set. 4927 4928 2022-02-02 Jonathan Wakely <jwakely (a] redhat.com> 4929 4930 * include/bits/boost_concept_check.h (_OutputIteratorConcept): 4931 Change member function to data member of function pointer type. 4932 4933 2022-02-02 Martin Sebor <msebor (a] redhat.com> 4934 4935 PR libstdc++/101831 4936 * include/std/array (begin): Declare const member function attribute 4937 const. 4938 (end, rbegin, rend, size, max_size, empty, data): Same. 4939 * testsuite/23_containers/array/capacity/empty.cc: Add test cases. 4940 * testsuite/23_containers/array/capacity/max_size.cc: Same. 4941 * testsuite/23_containers/array/capacity/size.cc: Same. 4942 * testsuite/23_containers/array/iterators/begin_end.cc: New test. 4943 4944 2022-02-02 Jonathan Wakely <jwakely (a] redhat.com> 4945 4946 * testsuite/27_io/filesystem/iterators/error_reporting.cc: Use 4947 autoconf macro to check whether d_type is present. 4948 * testsuite/experimental/filesystem/iterators/error_reporting.cc: 4949 Likewise. 4950 4951 2022-02-01 Jonathan Wakely <jwakely (a] redhat.com> 4952 4953 * testsuite/27_io/filesystem/iterators/97731.cc: New test. 4954 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc: 4955 Check follow_directory_symlink option. 4956 * testsuite/experimental/filesystem/iterators/recursive_directory_iterator.cc: 4957 Likewise. 4958 4959 2022-02-01 Jonathan Wakely <jwakely (a] redhat.com> 4960 4961 * src/c++17/fs_dir.cc (recursive_directory_iterator::increment): 4962 Reset state to past-the-end iterator on error. 4963 (fs::recursive_directory_iterator::pop(error_code&)): Likewise. 4964 (fs::recursive_directory_iterator::pop()): Check _M_dirs before 4965 it might get reset. 4966 * src/filesystem/dir.cc (recursive_directory_iterator): Likewise, 4967 for the TS implementation. 4968 * testsuite/27_io/filesystem/iterators/error_reporting.cc: New test. 4969 * testsuite/experimental/filesystem/iterators/error_reporting.cc: New test. 4970 4971 2022-02-01 Jonathan Wakely <jwakely (a] redhat.com> 4972 4973 * include/bits/fs_fwd.h (filesystem::perms): Fix comment. 4974 4975 2022-02-01 Jonathan Wakely <jwakely (a] redhat.com> 4976 4977 PR libstdc++/104301 4978 * acinclude.m4 (GLIBCXX_ENABLE_CSTDIO): Print different messages 4979 for stdio_pure and stdio_posix options. 4980 * configure: Regenerate. 4981 4982 2022-02-01 Thomas Rodgers <rodgert (a] appliantology.com> 4983 4984 * include/bits/atomic_wait.h: Change memory order from 4985 Acquire/Release with relaxed loads to SeqCst+Release for 4986 accesses to the waiter's count. 4987 4988 2022-01-31 Martin Liska <mliska (a] suse.cz> 4989 4990 * acinclude.m4: Detect *_ld_is_mold and use it. 4991 * configure: Regenerate. 4992 4993 2022-01-30 Hans-Peter Nilsson <hp (a] axis.com> 4994 4995 * testsuite/27_io/basic_istream/get/char/lwg3464.cc: Don't run on 4996 simulator targets. 4997 * testsuite/27_io/basic_istream/get/wchar_t/lwg3464.cc: Likewise. 4998 4999 2022-01-27 Jonathan Wakely <jwakely (a] redhat.com> 5000 5001 PR libstdc++/100516 5002 * include/bits/deque.tcc (_M_range_initialize<ForwardIterator>): 5003 Add __builtin_unreachable to loop. 5004 * testsuite/23_containers/deque/100516.cc: New test. 5005 5006 2022-01-27 Jonathan Wakely <jwakely (a] redhat.com> 5007 5008 * include/bits/ranges_base.h (ranges::advance): Avoid signed 5009 overflow. Do nothing if already equal to desired result. 5010 * testsuite/24_iterators/range_operations/advance_overflow.cc: 5011 New test. 5012 5013 2022-01-27 Martin Liska <mliska (a] suse.cz> 5014 5015 PR libstdc++/104259 5016 * acinclude.m4: Fix typo. 5017 * configure: Regenerate. 5018 5019 2022-01-25 Jonathan Wakely <jwakely (a] redhat.com> 5020 5021 PR libstdc++/104019 5022 * include/bits/istream.tcc (basic_istream::sentry): Add braces 5023 around try-block. 5024 * include/bits/shared_ptr_base.h (_Sp_counted_array_base::_M_init): 5025 Add pragmas to disable bogus warnings from PR 61596. 5026 5027 2022-01-25 Jonathan Wakely <jwakely (a] redhat.com> 5028 5029 PR libstdc++/104217 5030 * src/c++17/fs_ops.cc (_GNU_SOURCE): Define. 5031 * src/filesystem/dir.cc (_GNU_SOURCE): Define. 5032 * src/filesystem/ops.cc (_GNU_SOURCE): Define. 5033 5034 2022-01-25 Jonathan Wakely <jwakely (a] redhat.com> 5035 5036 PR libstdc++/104161 5037 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for 5038 fdopendir. 5039 * config.h.in: Regenerate. 5040 * configure: Regenerate. 5041 * src/c++17/fs_dir.cc (_Dir): Add nofollow flag to constructor 5042 and pass it to base class constructor. 5043 (directory_iterator): Pass nofollow flag to _Dir constructor. 5044 (fs::recursive_directory_iterator::increment): Likewise. 5045 * src/c++17/fs_ops.cc (do_remove_all): Use nofollow option for 5046 directory_iterator constructor. Move error check outside loop. 5047 * src/filesystem/dir-common.h (_Dir_base): Add nofollow flag to 5048 constructor and when it's set use ::open with O_NOFOLLOW and 5049 O_DIRECTORY. 5050 * src/filesystem/dir.cc (_Dir): Add nofollow flag to constructor 5051 and pass it to base class constructor. 5052 (directory_iterator): Pass nofollow flag to _Dir constructor. 5053 (fs::recursive_directory_iterator::increment): Likewise. 5054 * src/filesystem/ops.cc (remove_all): Use nofollow option for 5055 directory_iterator constructor. Move error check outside loop. 5056 5057 2022-01-23 Jonathan Wakely <jwakely (a] redhat.com> 5058 5059 PR libstdc++/104032 5060 * include/std/spanstream (basic_spanbuf(basic_spanbuf&&)): Use 5061 mem-initializer for _M_buf. 5062 (basic_spanbuf::Operator=(basic_spanbuf&&)): Fix ill-formed 5063 member access. 5064 * testsuite/27_io/spanstream/2.cc: New test. 5065 5066 2022-01-23 Jonathan Wakely <jwakely (a] redhat.com> 5067 5068 * src/c++17/floating_from_chars.cc (USE_STRTOD_FOR_FROM_CHARS): 5069 Define macro for case where std::from_chars is implemented in 5070 terms of strtod, strtof or strtold. 5071 (buffer_resource, valid_fmt, find_end_of_float, pattern) 5072 (from_chars_impl, make_result, reserve_string): Do not define 5073 unless USE_STRTOD_FOR_FROM_CHARS is defined. 5074 (from_chars): Define when at least one of USE_LIB_FAST_FLOAT and 5075 USE_STRTOD_FOR_FROM_CHARS is defined, instead of 5076 _GLIBCXX_HAVE_USELOCALE. Use fast_float for long double when it 5077 is binary64. 5078 5079 2022-01-23 Jonathan Wakely <jwakely (a] redhat.com> 5080 5081 PR libstdc++/104174 5082 * include/bits/hashtable_policy.h (_Map_base): Add partial 5083 specialization for maps with const key types. 5084 * testsuite/23_containers/unordered_map/104174.cc: New test. 5085 5086 2022-01-23 Jonathan Wakely <jwakely (a] redhat.com> 5087 5088 PR libstdc++/104019 5089 * include/bits/shared_ptr_base.h (_Sp_counted_base<>::_M_release): 5090 Set members to zero without type punning. 5091 5092 2022-01-21 Jonathan Wakely <jwakely (a] redhat.com> 5093 5094 * testsuite/20_util/shared_ptr/cons/array.cc: Fix comment. 5095 5096 2022-01-21 Jonathan Wakely <jwakely (a] redhat.com> 5097 5098 PR libstdc++/87193 5099 PR libstdc++/104019 5100 * include/bits/alloc_traits.h (__cpp_lib_allocator_traits_is_always_equal): 5101 Define as type long. 5102 * include/bits/allocator.h (__cpp_lib_incomplete_container_elements): 5103 Likewise. 5104 * include/bits/basic_string.h (__cpp_lib_string_udls): Likewise. 5105 * include/bits/chrono.h (__cpp_lib_chrono): Likewise. 5106 (__cpp_lib_chrono_udls): Likewise. 5107 * include/bits/move.h (__cpp_lib_addressof_constexpr): Likewise. 5108 * include/bits/node_handle.h (__cpp_lib_node_extract): Likewise. 5109 * include/bits/range_access.h (__cpp_lib_nonmember_container_access): 5110 Likewise. 5111 * include/bits/shared_ptr.h (__cpp_lib_enable_shared_from_this): 5112 Likewise. 5113 * include/bits/stl_algo.h (__cpp_lib_clamp): Likewise. 5114 (__cpp_lib_sample): Likewise. 5115 * include/bits/stl_algobase.h (__cpp_lib_robust_nonmodifying_seq_ops): 5116 Likewise. 5117 * include/bits/stl_function.h (__cpp_lib_transparent_operators): 5118 Likewise. 5119 * include/bits/stl_iterator.h (__cpp_lib_make_reverse_iterator): 5120 Likewise. 5121 * include/bits/stl_map.h (__cpp_lib_map_try_emplace): 5122 Likewise. 5123 * include/bits/stl_tree.h (__cpp_lib_generic_associative_lookup): 5124 Likewise. 5125 * include/bits/unique_ptr.h (__cpp_lib_make_unique): 5126 Likewise. 5127 * include/bits/unordered_map.h (__cpp_lib_unordered_map_try_emplace): 5128 Likewise. 5129 * include/c_global/cmath (__cpp_lib_hypot): Likewise. 5130 * include/c_global/cstddef (__cpp_lib_byte): Likewise. 5131 * include/std/atomic (__cpp_lib_atomic_is_always_lock_free): 5132 Likewise. 5133 * include/std/complex (__cpp_lib_complex_udls): Likewise. 5134 * include/std/filesystem (__cpp_lib_filesystem): Likewise. 5135 * include/std/functional (__cpp_lib_not_fn): Likewise. 5136 (__cpp_lib_boyer_moore_searcher): Likewise. 5137 * include/std/iomanip (__cpp_lib_quoted_string_io): Likewise. 5138 * include/std/mutex (__cpp_lib_scoped_lock): Likewise. 5139 * include/std/numeric (__cpp_lib_gcd_lcm): Likewise. 5140 (__cpp_lib_gcd, __cpp_lib_lcm): Likewise. 5141 * include/std/tuple (__cpp_lib_apply): Likewise. 5142 (__cpp_lib_make_from_tuple): Likewise. 5143 * include/std/type_traits (__cpp_lib_integral_constant_callable) 5144 (__cpp_lib_bool_constant, __cpp_lib_logical_traits) 5145 (__cpp_lib_is_null_pointer, __cpp_lib_transformation_trait_aliases) 5146 (__cpp_lib_result_of_sfinae, __cpp_lib_void_t) 5147 (__cpp_lib_is_swappable, __cpp_lib_is_invocable) 5148 (__cpp_lib_has_unique_object_representations) 5149 (__cpp_lib_is_aggregate): Likewise. 5150 * include/std/version: Likewise. 5151 * libsupc++/new (__cpp_lib_launder): Likewise. 5152 5153 2022-01-21 Jonathan Wakely <jwakely (a] redhat.com> 5154 5155 * include/std/version (__cpp_lib_shared_ptr_arrays): Fix 5156 condition for C++17 definition. 5157 5158 2022-01-21 Jonathan Wakely <jwakely (a] redhat.com> 5159 5160 * include/bits/shared_ptr_atomic.h (_Sp_atomic::_Atomic_count): 5161 Add constexpr. 5162 (_Sp_atomic::_M_ptr): Add default member-initializer. 5163 * testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc: 5164 Check constant initialization. 5165 * testsuite/20_util/weak_ptr/atomic_weak_ptr.cc: Likewise. 5166 5167 2022-01-20 Jonathan Wakely <jwakely (a] redhat.com> 5168 5169 * src/c++11/cxx11-ios_failure.cc (__constinit): Define as 5170 equivalent attribute for Clang. 5171 * src/c++11/future.cc (__constinit): Likewise. 5172 * src/c++11/system_error.cc (__constinit): Likewise. 5173 * src/c++17/memory_resource.cc (__constinit): Likewise. 5174 5175 2022-01-20 Jonathan Wakely <jwakely (a] redhat.com> 5176 5177 * scripts/testsuite_flags.in: Only add src/filesystem/.libs and 5178 src/libbacktrace/.libs to LDFLAGS if those directories exist. 5179 5180 2022-01-19 Jonathan Wakely <jwakely (a] redhat.com> 5181 5182 * configure.ac (GLIBCXX_ENABLE_DEBUG_FLAGS): Remove -gdwarf-4 5183 from default flags. 5184 * configure: Regenerate. 5185 5186 2022-01-19 Jonathan Wakely <jwakely (a] redhat.com> 5187 5188 PR libstdc++/104123 5189 * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc: Include 5190 <stddef.h>. 5191 5192 2022-01-19 Jonathan Wakely <jwakely (a] redhat.com> 5193 5194 * scripts/testsuite_flags.in: Add src/libbacktrace/.libs to 5195 linker search paths. 5196 * src/Makefile.am: Fix src/debug/libbacktrace build. 5197 * src/Makefile.in: Regenerate. 5198 * src/libbacktrace/Makefile.am: Use per-library CPPFLAGS 5199 variable. Use symlinks for the source files. 5200 * src/libbacktrace/Makefile.in: Regenerate. 5201 5202 2022-01-19 Matthias Kretz <m.kretz (a] gsi.de> 5203 5204 * include/experimental/bits/simd.h (__floating_point_flags): Do 5205 not rely on math_errhandling to expand to a constant expression. 5206 5207 2022-01-19 Jonathan Wakely <jwakely (a] redhat.com> 5208 5209 * doc/xml/manual/evolution.xml: Document deprecations. 5210 * doc/xml/manual/status_cxx2017.xml: Update status. 5211 * doc/html/*: Regenerate. 5212 5213 2022-01-19 Jonathan Wakely <jwakely (a] redhat.com> 5214 5215 * include/bits/stl_tempbuf.h (get_temporary_buffer): Change 5216 _GLIBCXX14_DEPRECATED to _GLIBCXX17_DEPRECATED. 5217 5218 2022-01-19 Jonathan Wakely <jwakely (a] redhat.com> 5219 5220 * include/bits/stl_pair.h (_PCC::_DeprConsPair): Remove unused 5221 function. 5222 5223 2022-01-19 Jonathan Wakely <jwakely (a] redhat.com> 5224 5225 PR libstdc++/104101 5226 * include/bits/shared_ptr_atomic.h (_Sp_atomic::_Atomic_count::lock): 5227 Only use __thread_relax if __cpp_lib_atomic_wait is defined. 5228 5229 2022-01-18 Jonathan Wakely <jwakely (a] redhat.com> 5230 5231 PR libstdc++/104099 5232 * include/bits/basic_string.h (basic_string(nullptr_t)): Only 5233 define for C++23. 5234 (operator=(nullptr_t)): Likewise. 5235 * include/bits/cow_string.h: Likewise. 5236 * include/std/string_view (basic_string_view(nullptr_t)): 5237 Likewise. 5238 * testsuite/21_strings/basic_string/cons/char/nullptr.cc: Adjust 5239 expected error. Add examples that become ill-formed in C++23. 5240 * testsuite/21_strings/basic_string_view/cons/char/nonnull.cc: 5241 Adjust expected errors. 5242 * testsuite/21_strings/basic_string_view/cons/wchar_t/nonnull.cc: 5243 Likewise. 5244 5245 2022-01-18 Jonathan Wakely <jwakely (a] redhat.com> 5246 5247 PR libstdc++/104098 5248 * include/bits/stl_iterator.h (reverse_iterator): Check 5249 __cpp_lib_concepts instead of __cplusplus. 5250 5251 2022-01-18 Jonathan Wakely <jwakely (a] redhat.com> 5252 5253 PR libstdc++/101124 5254 * include/bits/stl_pair.h (pair): Adjust constraints on 5255 deprecated constructors accepting literal zero as null pointer 5256 constant. Improve wording of deprecated attribute. 5257 * testsuite/20_util/pair/cons/99957.cc: Check that deprecated 5258 constructors do not cause ambiguities for copyable types. 5259 5260 2022-01-18 Jonathan Wakely <jwakely (a] redhat.com> 5261 5262 * include/bits/stl_function.h (ptr_fun): Fix suggestion for 5263 non-deprecated alternative. 5264 5265 2022-01-18 Tom Honermann <tom (a] honermann.net> 5266 5267 * acinclude.m4: Define config macros if uchar.h provides 5268 c8rtomb() and mbrtoc8(). 5269 * config.h.in: Regenerate. 5270 * configure: Regenerate. 5271 * include/c_compatibility/uchar.h (c8rtomb, mbrtoc8): Define. 5272 * include/c_global/cuchar (c8rtomb, mbrtoc8): Likewise. 5273 * include/c_std/cuchar (c8rtomb, mbrtoc8): Likewise. 5274 * testsuite/21_strings/headers/cuchar/functions_std_cxx20.cc: 5275 New test. 5276 * testsuite/21_strings/headers/cuchar/functions_std_fchar8_t.cc: 5277 New test. 5278 5279 2022-01-18 Jonathan Wakely <jwakely (a] redhat.com> 5280 5281 * include/Makefile.am: Install new header. 5282 * include/Makefile.in: Regenerate. 5283 * include/c_compatibility/stdatomic.h: New file. 5284 * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc: New test. 5285 5286 2022-01-18 Jonathan Wakely <jwakely (a] redhat.com> 5287 5288 PR libstdc++/104080 5289 * src/c++17/fast_float/LOCAL_PATCHES: Update. 5290 * src/c++17/fast_float/fast_float.h (FASTFLOAT_IS_BIG_ENDIAN): 5291 Define in terms of __BYTE_ORDER__. 5292 5293 2022-01-18 Jonathan Wakely <jwakely (a] redhat.com> 5294 5295 PR libstdc++/104080 5296 * src/c++17/fast_float/LOCAL_PATCHES: UPDATE. 5297 * src/c++17/fast_float/fast_float.h (round): Use explicit 5298 template argument list for std::min. 5299 5300 2022-01-18 Jonathan Wakely <jwakely (a] redhat.com> 5301 5302 * doc/xml/manual/status_cxx2017.xml: Update C++17 status. 5303 * doc/xml/manual/status_cxx2020.xml: Use 12.1 instead of 12 for 5304 upcoming release. 5305 * doc/html/manual/status.html: Regenerate. 5306 5307 2022-01-18 Jonathan Wakely <jwakely (a] redhat.com> 5308 5309 * acinclude.m4 (GLIBCXX_ENABLE_FULLY_DYNAMIC_STRING): Improve 5310 comments. 5311 * configure: Regenerate. 5312 5313 2022-01-17 Patrick Palka <ppalka (a] redhat.com> 5314 5315 * src/c++17/floating_from_chars.cc: (USE_LIB_FAST_FLOAT): 5316 Conditionally define, and use it to conditionally include 5317 fast_float. 5318 (from_chars): Use fast_float for float and double when 5319 USE_LIB_FAST_FLOAT. 5320 5321 2022-01-17 Patrick Palka <ppalka (a] redhat.com> 5322 5323 * src/c++17/fast_float/LOCAL_PATCHES: Update. 5324 * src/c++17/fast_float/fast_float.h (from_chars_advanced): In 5325 case of over/underflow, return errc::result_out_of_range and don't 5326 modify 'value'. 5327 5328 2022-01-17 Patrick Palka <ppalka (a] redhat.com> 5329 5330 * src/c++17/fast_float/LOCAL_PATCHES: Update. 5331 * src/c++17/fast_float/fast_float.h: Apply local modifications. 5332 5333 2022-01-17 Patrick Palka <ppalka (a] redhat.com> 5334 5335 * src/c++17/fast_float/LOCAL_PATCHES: New file. 5336 * src/c++17/fast_float/MERGE: New file. 5337 * src/c++17/fast_float/README.md: New file, copied from the 5338 fast_float repository. 5339 * src/c++17/fast_float/fast_float.h: New file, an amalgamation 5340 of the fast_float library. 5341 5342 2022-01-17 Patrick Palka <ppalka (a] redhat.com> 5343 5344 * src/c++17/floating_from_chars.cc: Include <bit>. 5345 (ascii_to_hexit, starts_with_ci): Conditionally define. 5346 (__floating_from_chars_hex): Conditionally define. 5347 (from_chars): Use __floating_from_chars_hex for 5348 chars_format::hex parsing of binary32/64 float/double. 5349 (testsuite/20_util/from_chars/7.cc): New test. 5350 * testsuite/20_util/from_chars/7.cc: New file. 5351 5352 2022-01-17 Jonathan Wakely <jwakely (a] redhat.com> 5353 5354 * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): New macro. 5355 * configure.ac: Use GLIBCXX_ENABLE_BACKTRACE. 5356 * include/Makefile.am: Add new header. 5357 * include/Makefile.in: Regenerate. 5358 * include/std/stacktrace: New header. 5359 * include/std/version (__cpp_lib_stacktrace): Define. 5360 * Makefile.in: Regenerate. 5361 * config.h.in: Regenerate. 5362 * configure: Regenerate. 5363 * doc/Makefile.in: Regenerate. 5364 * libsupc++/Makefile.in: Regenerate. 5365 * po/Makefile.in: Regenerate. 5366 * python/Makefile.in: Regenerate. 5367 * src/Makefile.am: Regenerate. 5368 * src/Makefile.in: Regenerate. 5369 * src/c++11/Makefile.in: Regenerate. 5370 * src/c++17/Makefile.in: Regenerate. 5371 * src/c++20/Makefile.in: Regenerate. 5372 * src/c++98/Makefile.in: Regenerate. 5373 * src/filesystem/Makefile.in: Regenerate. 5374 * testsuite/Makefile.in: Regenerate. 5375 * src/libbacktrace/Makefile.am: New file. 5376 * src/libbacktrace/Makefile.in: New file. 5377 * src/libbacktrace/backtrace-rename.h: New file. 5378 * src/libbacktrace/backtrace-supported.h.in: New file. 5379 * src/libbacktrace/config.h.in: New file. 5380 * testsuite/lib/libstdc++.exp (check_effective_target_stacktrace): 5381 New proc. 5382 * testsuite/20_util/stacktrace/entry.cc: New test. 5383 * testsuite/20_util/stacktrace/synopsis.cc: New test. 5384 * testsuite/20_util/stacktrace/version.cc: New test. 5385 5386 2022-01-17 Jonathan Wakely <jwakely (a] redhat.com> 5387 5388 * doc/xml/manual/status_cxx2020.xml: Use final C++20 option 5389 names. 5390 * doc/html/manual/status.html: Regenerate. 5391 5392 2022-01-17 Jonathan Wakely <jwakely (a] redhat.com> 5393 5394 PR libstdc++/103650 5395 * include/Makefile.am: Rename LT_OBJDIR and STDC_HEADERS. 5396 * include/Makefile.in: Regenerate. 5397 * testsuite/17_intro/headers/c++1998/103650.cc: New test. 5398 5399 2022-01-17 Matthias Kretz <m.kretz (a] gsi.de> 5400 5401 * include/experimental/bits/simd.h (__floating_point_flags): Do 5402 not rely on the presence of the math_errhandling macro. 5403 5404 2022-01-17 Jonathan Wakely <jwakely (a] redhat.com> 5405 5406 * include/bits/shared_ptr_atomic.h (_Sp_atomic): Add typename 5407 to qualified-id for dependent type. 5408 5409 2022-01-17 Jonathan Wakely <jwakely (a] redhat.com> 5410 5411 * doc/xml/manual/status_cxx2020.xml: Update. 5412 * doc/html/manual/status.html: Regenerate. 5413 5414 2022-01-17 Jonathan Wakely <jwakely (a] redhat.com> 5415 Thomas Rodgers <trodgers (a] redhat.com> 5416 5417 * include/bits/shared_ptr_atomic.h (__cpp_lib_atomic_shared_ptr): 5418 New macro. 5419 (_Sp_atomic): New class template. 5420 (atomic<shared_ptr<T>>, atomic<weak_ptr<T>>): New partial 5421 specializations. 5422 * include/bits/shared_ptr_base.h (__shared_count, __weak_count) 5423 (__shared_ptr, __weak_ptr): Declare _Sp_atomic as a friend. 5424 * include/std/version (__cpp_lib_atomic_shared_ptr): New macro. 5425 * testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc: New 5426 test. 5427 * testsuite/20_util/weak_ptr/atomic_weak_ptr.cc: New test. 5428 5429 2022-01-15 Matthias Kretz <m.kretz (a] gsi.de> 5430 5431 * include/experimental/bits/simd.h: Move feature detection bools 5432 and add __have_avx512bitalg, __have_avx512vbmi2, 5433 __have_avx512vbmi, __have_avx512ifma, __have_avx512cd, 5434 __have_avx512vnni, __have_avx512vpopcntdq. 5435 (__detail::__machine_flags): New function which returns a unique 5436 uint64 depending on relevant -m and -f flags. 5437 (__detail::__odr_helper): New type alias for either an anonymous 5438 type or a type specialized with the __machine_flags number. 5439 (_SimdIntOperators): Change template parameters from _Impl to 5440 _Tp, _Abi because _Impl now has an __odr_helper parameter which 5441 may be _OdrEnforcer from the anonymous namespace, which makes 5442 for a bad base class. 5443 (many): Either add __odr_helper template parameter or mark as 5444 always_inline. 5445 * include/experimental/bits/simd_detail.h: Add defines for 5446 AVX512BITALG, AVX512VBMI2, AVX512VBMI, AVX512IFMA, AVX512CD, 5447 AVX512VNNI, AVX512VPOPCNTDQ, and AVX512VP2INTERSECT. 5448 * include/experimental/bits/simd_builtin.h: Add __odr_helper 5449 template parameter or mark as always_inline. 5450 * include/experimental/bits/simd_fixed_size.h: Ditto. 5451 * include/experimental/bits/simd_math.h: Ditto. 5452 * include/experimental/bits/simd_scalar.h: Ditto. 5453 * include/experimental/bits/simd_neon.h: Add __odr_helper 5454 template parameter. 5455 * include/experimental/bits/simd_ppc.h: Ditto. 5456 * include/experimental/bits/simd_x86.h: Ditto. 5457 5458 2022-01-14 Uro Bizjak <ubizjak (a] gmail.com> 5459 5460 * testsuite/22_locale/numpunct/members/char/3.cc: 5461 Require pt_PT locale instead of nl_NL. 5462 (test02): Use pt_PT locale instead of nl_NL. 5463 5464 2022-01-14 Jonathan Wakely <jwakely (a] redhat.com> 5465 5466 PR libstdc++/91260 5467 PR libstdc++/91383 5468 PR libstdc++/95065 5469 * include/backward/binders.h (bind1st, bind2nd): Add deprecated 5470 attribute. 5471 * include/bits/refwrap.h (_Maybe_unary_or_binary_function): 5472 Disable deprecated warnings for base classes. 5473 (_Reference_wrapper_base): Likewise. 5474 * include/bits/shared_ptr_base.h (_Sp_owner_less): Likewise. 5475 * include/bits/stl_bvector.h (_Bit_iterator_base): Likewise. 5476 * include/bits/stl_function.h (unary_function, binary_function): 5477 Add deprecated attribute. 5478 (unary_negate, not1, binary_negate, not2, ptr_fun) 5479 (pointer_to_unary_function, pointer_to_binary_function) 5480 (mem_fun_t, const_mem_fun_t, mem_fun_ref_t, const_mem_fun_ref_t) 5481 (mem_fun1_t, const_mem_fun1_t, mem_fun_ref1_t) 5482 (const_mem_fun1_ref_t, mem_fun, mem_fun_ref): Add deprecated 5483 attributes. 5484 * include/bits/stl_iterator.h: Disable deprecated warnings for 5485 std::iterator base classes. 5486 * include/bits/stl_iterator_base_types.h (iterator): Add 5487 deprecated attribute. 5488 * include/bits/stl_map.h (map::value_compare): Disable 5489 deprecated warnings for base class. 5490 * include/bits/stl_multimap.h (multimap::value_compare): 5491 Likewise. 5492 * include/bits/stl_raw_storage_iter.h (raw_storage_iterator): 5493 Add deprecated attribute. 5494 * include/bits/stl_tempbuf.h (get_temporary_buffer): Likewise. 5495 * include/bits/stream_iterator.h: Disable deprecated warnings. 5496 * include/bits/streambuf_iterator.h: Likewise. 5497 * include/ext/bitmap_allocator.h: Remove unary_function base 5498 classes. 5499 * include/ext/functional: Disable deprecated warnings. 5500 * include/ext/rope: Likewise. 5501 * include/ext/throw_allocator.h: Likewise. 5502 * include/std/type_traits (result_of): Add deprecated attribute. 5503 * include/tr1/functional: Disable deprecated warnings. 5504 * include/tr1/functional_hash.h: Likewise. 5505 * testsuite/20_util/function_objects/binders/1.cc: Add 5506 -Wno-disable-deprecations. 5507 * testsuite/20_util/function_objects/binders/3113.cc: Likewise. 5508 * testsuite/20_util/function_objects/constexpr.cc: Add 5509 dg-warning. 5510 * testsuite/20_util/raw_storage_iterator/base.cc: Likewise. 5511 * testsuite/20_util/raw_storage_iterator/dr2127.cc: Likewise. 5512 * testsuite/20_util/raw_storage_iterator/requirements/base_classes.cc: 5513 Likewise. 5514 * testsuite/20_util/raw_storage_iterator/requirements/explicit_instantiation/1.cc: 5515 Likewise. 5516 * testsuite/20_util/raw_storage_iterator/requirements/typedefs.cc: 5517 Likewise. 5518 * testsuite/20_util/reference_wrapper/24803.cc: 5519 Likewise. 5520 * testsuite/20_util/reference_wrapper/typedefs.cc: Enable for 5521 C++20 and check for absence of nested types. 5522 * testsuite/20_util/shared_ptr/comparison/less.cc: Remove 5523 std::binary_function base class. 5524 * testsuite/20_util/temporary_buffer.cc: Add dg-warning. 5525 * testsuite/21_strings/basic_string/cons/char/69092.cc: Remove 5526 std::iterator base class. 5527 * testsuite/24_iterators/back_insert_iterator/requirements/base_classes.cc: 5528 Likewise. 5529 * testsuite/24_iterators/front_insert_iterator/requirements/base_classes.cc: 5530 Likewise. 5531 * testsuite/24_iterators/insert_iterator/requirements/base_classes.cc: 5532 Likewise. 5533 * testsuite/24_iterators/istream_iterator/requirements/base_classes.cc: 5534 Likewise. 5535 * testsuite/24_iterators/istreambuf_iterator/92285.cc: 5536 Likewise. 5537 * testsuite/24_iterators/istreambuf_iterator/requirements/base_classes.cc: 5538 Likewise. 5539 * testsuite/24_iterators/ostream_iterator/requirements/base_classes.cc: 5540 Likewise. 5541 * testsuite/24_iterators/ostreambuf_iterator/requirements/base_classes.cc: 5542 Likewise. 5543 * testsuite/24_iterators/reverse_iterator/requirements/base_classes.cc: 5544 Likewise. 5545 * testsuite/25_algorithms/copy/34595.cc: 5546 Likewise. 5547 * testsuite/25_algorithms/minmax/3.cc: Remove std::binary_function 5548 base class. 5549 * testsuite/25_algorithms/all_of/requirements/explicit_instantiation/2.cc: 5550 Disable deprecated warnings. 5551 * testsuite/25_algorithms/all_of/requirements/explicit_instantiation/pod.cc: 5552 Likewise. 5553 * testsuite/25_algorithms/any_of/requirements/explicit_instantiation/2.cc: 5554 Likewise. 5555 * testsuite/25_algorithms/any_of/requirements/explicit_instantiation/pod.cc: 5556 Likewise. 5557 * testsuite/25_algorithms/copy_if/requirements/explicit_instantiation/2.cc: 5558 Likewise. 5559 * testsuite/25_algorithms/copy_if/requirements/explicit_instantiation/pod.cc: 5560 Likewise. 5561 * testsuite/25_algorithms/count_if/requirements/explicit_instantiation/2.cc: 5562 Likewise. 5563 * testsuite/25_algorithms/count_if/requirements/explicit_instantiation/pod.cc: 5564 Likewise. 5565 * testsuite/25_algorithms/find_end/requirements/explicit_instantiation/2.cc: 5566 Likewise. 5567 * testsuite/25_algorithms/find_end/requirements/explicit_instantiation/pod.cc: 5568 Likewise. 5569 * testsuite/25_algorithms/find_first_of/requirements/explicit_instantiation/2.cc: 5570 Likewise. 5571 * testsuite/25_algorithms/find_first_of/requirements/explicit_instantiation/pod.cc: 5572 Likewise. 5573 * testsuite/25_algorithms/find_if/requirements/explicit_instantiation/2.cc: 5574 Likewise. 5575 * testsuite/25_algorithms/find_if/requirements/explicit_instantiation/pod.cc: 5576 Likewise. 5577 * testsuite/25_algorithms/find_if_not/requirements/explicit_instantiation/2.cc: 5578 Likewise. 5579 * testsuite/25_algorithms/find_if_not/requirements/explicit_instantiation/pod.cc: 5580 Likewise. 5581 * testsuite/25_algorithms/for_each/requirements/explicit_instantiation/2.cc: 5582 Likewise. 5583 * testsuite/25_algorithms/for_each/requirements/explicit_instantiation/pod.cc: 5584 Likewise. 5585 * testsuite/25_algorithms/is_partitioned/requirements/explicit_instantiation/2.cc: 5586 Likewise. 5587 * testsuite/25_algorithms/is_partitioned/requirements/explicit_instantiation/pod.cc: 5588 Likewise. 5589 * testsuite/25_algorithms/is_permutation/requirements/explicit_instantiation/2.cc: 5590 Likewise. 5591 * testsuite/25_algorithms/is_permutation/requirements/explicit_instantiation/pod.cc: 5592 Likewise. 5593 * testsuite/25_algorithms/none_of/requirements/explicit_instantiation/2.cc: 5594 Likewise. 5595 * testsuite/25_algorithms/none_of/requirements/explicit_instantiation/pod.cc: 5596 Likewise. 5597 * testsuite/25_algorithms/partition/requirements/explicit_instantiation/2.cc: 5598 Likewise. 5599 * testsuite/25_algorithms/partition/requirements/explicit_instantiation/pod.cc: 5600 Likewise. 5601 * testsuite/25_algorithms/partition_copy/requirements/explicit_instantiation/2.cc: 5602 Likewise. 5603 * testsuite/25_algorithms/partition_copy/requirements/explicit_instantiation/pod.cc: 5604 Likewise. 5605 * testsuite/25_algorithms/partition_point/requirements/explicit_instantiation/2.cc: 5606 Likewise. 5607 * testsuite/25_algorithms/partition_point/requirements/explicit_instantiation/pod.cc: 5608 Likewise. 5609 * testsuite/25_algorithms/random_shuffle/requirements/explicit_instantiation/2.cc: 5610 Likewise. 5611 * testsuite/25_algorithms/random_shuffle/requirements/explicit_instantiation/pod.cc: 5612 Likewise. 5613 * testsuite/25_algorithms/remove_copy_if/requirements/explicit_instantiation/2.cc: 5614 Likewise. 5615 * testsuite/25_algorithms/remove_copy_if/requirements/explicit_instantiation/pod.cc: 5616 Likewise. 5617 * testsuite/25_algorithms/remove_if/requirements/explicit_instantiation/2.cc: 5618 Likewise. 5619 * testsuite/25_algorithms/remove_if/requirements/explicit_instantiation/pod.cc: 5620 Likewise. 5621 * testsuite/25_algorithms/replace_copy_if/requirements/explicit_instantiation/2.cc: 5622 Likewise. 5623 * testsuite/25_algorithms/replace_copy_if/requirements/explicit_instantiation/pod.cc: 5624 Likewise. 5625 * testsuite/25_algorithms/replace_if/requirements/explicit_instantiation/2.cc: 5626 Likewise. 5627 * testsuite/25_algorithms/replace_if/requirements/explicit_instantiation/pod.cc: 5628 Likewise. 5629 * testsuite/25_algorithms/search/requirements/explicit_instantiation/2.cc: 5630 Likewise. 5631 * testsuite/25_algorithms/search/requirements/explicit_instantiation/pod.cc: 5632 Likewise. 5633 * testsuite/25_algorithms/search_n/requirements/explicit_instantiation/2.cc: 5634 Likewise. 5635 * testsuite/25_algorithms/search_n/requirements/explicit_instantiation/pod.cc: 5636 Likewise. 5637 * testsuite/25_algorithms/stable_partition/requirements/explicit_instantiation/2.cc: 5638 Likewise. 5639 * testsuite/25_algorithms/stable_partition/requirements/explicit_instantiation/pod.cc: 5640 Likewise. 5641 * testsuite/25_algorithms/transform/requirements/explicit_instantiation/2.cc: 5642 Likewise. 5643 * testsuite/25_algorithms/transform/requirements/explicit_instantiation/pod.cc: 5644 Likewise. 5645 * testsuite/27_io/basic_filebuf/underflow/wchar_t/9178.cc: Add 5646 dg-warning. 5647 * testsuite/ext/pb_ds/example/priority_queue_erase_if.cc: 5648 Likewise. 5649 * testsuite/ext/pb_ds/example/priority_queue_split_join.cc: 5650 Likewise. 5651 * testsuite/tr1/3_function_objects/reference_wrapper/typedefs.cc: 5652 Disable deprecated warnings. 5653 * testsuite/tr1/6_containers/hash/requirements/base_classes.cc: 5654 Likewise. 5655 * testsuite/util/regression/trait/erase_if_fn.hpp: Remove 5656 std::unary_function base classes. 5657 * testsuite/util/testsuite_iterators.h (output_iterator_wrapper): 5658 Remove std::iterator base classes. 5659 5660 2022-01-14 Jonathan Wakely <jwakely (a] redhat.com> 5661 5662 * include/bits/shared_ptr.h (__cpp_lib_shared_ptr_weak_type): 5663 Correct type of macro value. 5664 (shared_ptr): Add additional friend declarations. 5665 (make_shared, allocate_shared): Constrain existing overloads and 5666 remove static_assert. 5667 * include/bits/shared_ptr_base.h (__cpp_lib_smart_ptr_for_overwrite): 5668 New macro. 5669 (_Sp_counted_ptr_inplace<T, Alloc, Lp>): New partial 5670 specialization for use with make_shared_for_overwrite. 5671 (__cpp_lib_shared_ptr_arrays): Update value for C++20. 5672 (_Sp_counted_array_base): New class template. 5673 (_Sp_counted_array): New class template. 5674 (__shared_count(_Tp*&, const _Sp_counted_array_base&, _Init)): 5675 New constructor for allocating shared arrays. 5676 (__shared_ptr(const _Sp_counted_array_base&, _Init)): Likewise. 5677 * include/std/version (__cpp_lib_shared_ptr_weak_type): Correct 5678 type. 5679 (__cpp_lib_shared_ptr_arrays): Update value for C++20. 5680 (__cpp_lib_smart_ptr_for_overwrite): New macro. 5681 * testsuite/20_util/shared_ptr/creation/99006.cc: Adjust 5682 expected errors. 5683 * testsuite/20_util/shared_ptr/creation/array.cc: New test. 5684 * testsuite/20_util/shared_ptr/creation/overwrite.cc: New test. 5685 * testsuite/20_util/shared_ptr/creation/version.cc: New test. 5686 * testsuite/20_util/unique_ptr/creation/for_overwrite.cc: Check 5687 feature test macro. Test non-trivial default-initialization. 5688 5689 2022-01-14 Jonathan Wakely <jwakely (a] redhat.com> 5690 5691 * include/bits/stl_construct.h (_Construct, _Construct_novalue): 5692 Also cast away cv-qualifiers when converting pointer to void. 5693 * testsuite/20_util/allocator/void.cc: Test construct function 5694 with cv-qualified types. 5695 5696 2022-01-14 Jonathan Wakely <jwakely (a] redhat.com> 5697 5698 PR libstdc++/103992 5699 * include/bits/stl_iterator.h (common_iterator): Use 5700 std::construct_at instead of placement new. 5701 * testsuite/24_iterators/common_iterator/1.cc: Check copy 5702 construction is usable in constant expressions. 5703 5704 2022-01-14 Jonathan Wakely <jwakely (a] redhat.com> 5705 5706 * doc/xml/manual/status_cxx2011.xml: Document new tokens 5707 accepted by std::random_device constructor. 5708 * doc/html/manual/status.html: Regenerate. 5709 5710 2022-01-12 Patrick Palka <ppalka (a] redhat.com> 5711 5712 * testsuite/20_util/to_chars/103955.cc: Add explicit dg-do 5713 directive. 5714 5715 2022-01-12 Patrick Palka <ppalka (a] redhat.com> 5716 5717 PR libstdc++/103955 5718 * src/c++17/floating_to_chars.cc (__floating_to_chars_hex): 5719 Track the excess precision separately from the effective 5720 precision. Avoid overflow in bounds check by splitting it into 5721 two checks. 5722 (__floating_to_chars_precision): Avoid overflow in bounds checks 5723 similarly. 5724 * testsuite/20_util/to_chars/103955.cc: New test. 5725 5726 2022-01-11 Jonathan Wakely <jwakely (a] redhat.com> 5727 5728 PR libstdc++/103726 5729 * include/Makefile.am: Install <source_location> for 5730 freestanding. 5731 * include/Makefile.in: Regenerate. 5732 * include/std/version (__cpp_lib_source_location): Define for 5733 freestanding. 5734 5735 2022-01-11 Jonathan Wakely <jwakely (a] redhat.com> 5736 5737 * include/std/ranges (ranges::lazy_split_view::_InnerIter::end()): 5738 Add neoxcept (LWG 3593). 5739 5740 2022-01-11 Jonathan Wakely <jwakely (a] redhat.com> 5741 5742 * include/std/ranges (ranges::__detail::__box): Add constexpr to 5743 assignment operators (LWG 3572). 5744 * testsuite/std/ranges/adaptors/filter.cc: Check assignment of a 5745 view that uses copyable-box. 5746 5747 2022-01-11 Jonathan Wakely <jwakely (a] redhat.com> 5748 5749 PR libstdc++/103726 5750 * include/Makefile.am: Install <coroutine> for freestanding. 5751 * include/Makefile.in: Regenerate. 5752 * include/std/coroutine: Adjust headers and preprocessor 5753 conditions. 5754 (__coroutine_traits_impl): Use concepts when available. 5755 [_GLIBCXX_HOSTED] (hash<coroutine_handle>): Define. 5756 5757 2022-01-11 Jonathan Wakely <jwakely (a] redhat.com> 5758 5759 * include/std/ostream (operator<<(basic_ostream&, charT)): 5760 Use unformatted input if no padding is needed. 5761 (operator<<(basic_ostream<char>&, char)): Likewise. 5762 5763 2022-01-11 Jonathan Wakely <jwakely (a] redhat.com> 5764 5765 PR libstdc++/103891 5766 * include/bits/c++config (_GLIBCXX_HAVE_COND_TRIVIAL_SPECIAL_MEMBERS): 5767 Define. 5768 * include/std/variant (__cpp_lib_variant): Only define C++20 5769 value when the compiler is known to support conditionally 5770 trivial destructors. 5771 * include/std/version (__cpp_lib_variant): Likewise. 5772 5773 2022-01-11 Jonathan Wakely <jwakely (a] redhat.com> 5774 5775 * include/bits/stl_iterator.h (common_iterator): Add constexpr 5776 to all member functions (LWG 3574). 5777 * testsuite/24_iterators/common_iterator/1.cc: Evaluate some 5778 tests as constant expressions. 5779 * testsuite/24_iterators/common_iterator/2.cc: Likewise. 5780 5781 2022-01-10 Jakub Jelinek <jakub (a] redhat.com> 5782 5783 PR libstdc++/77760 5784 * include/bits/locale_facets_nonio.h (__time_get_state): New struct. 5785 (time_get::_M_extract_via_format): Declare new method with 5786 __time_get_state& as an extra argument. 5787 * include/bits/locale_facets_nonio.tcc (_M_extract_via_format): Add 5788 __state argument, set various fields in it while parsing. Handle %j, 5789 %U, %w and %W, fix up handling of %y, %Y and %C, don't adjust tm_hour 5790 for %p immediately. Add a wrapper around the method without the 5791 __state argument for backwards compatibility. 5792 (_M_extract_num): Remove all __len == 4 special cases. 5793 (time_get::do_get_time, time_get::do_get_date, time_get::do_get): Zero 5794 initialize __state, pass it to _M_extract_via_format and finalize it 5795 at the end. 5796 (do_get_year): For 1-2 digit parsed years, map 0-68 to 2000-2068, 5797 69-99 to 1969-1999. For 3-4 digit parsed years use that as year. 5798 (get): If do_get isn't overloaded from the locale_facets_nonio.tcc 5799 version, don't call do_get but call _M_extract_via_format instead to 5800 pass around state. 5801 * config/abi/pre/gnu.ver (GLIBCXX_3.4.30): Export _M_extract_via_format 5802 with extra __time_get_state and __time_get_state::_M_finalize_state. 5803 * src/c++98/locale_facets.cc (is_leap, day_of_the_week, 5804 day_of_the_year): New functions in anon namespace. 5805 (mon_yday): New var in anon namespace. 5806 (__time_get_state::_M_finalize_state): Define. 5807 * testsuite/22_locale/time_get/get/char/4.cc: New test. 5808 * testsuite/22_locale/time_get/get/wchar_t/4.cc: New test. 5809 * testsuite/22_locale/time_get/get_year/char/1.cc (test01): Parse 197 5810 as year 197AD instead of error. 5811 * testsuite/22_locale/time_get/get_year/char/5.cc (test01): Parse 1 as 5812 year 2001 instead of error. 5813 * testsuite/22_locale/time_get/get_year/char/6.cc: New test. 5814 * testsuite/22_locale/time_get/get_year/wchar_t/1.cc (test01): Parse 5815 197 as year 197AD instead of error. 5816 * testsuite/22_locale/time_get/get_year/wchar_t/5.cc (test01): Parse 5817 1 as year 2001 instead of error. 5818 * testsuite/22_locale/time_get/get_year/wchar_t/6.cc: New test. 5819 5820 2022-01-10 Jonathan Wakely <jwakely (a] redhat.com> 5821 5822 PR libstdc++/103866 5823 * acinclude.m4 (GLIBCXX_COMPUTE_STDIO_INTEGER_CONSTANTS): Do 5824 nothing for freestanding builds. 5825 (GLIBCXX_ENABLE_HOSTED): Define FREESTANDING_FLAGS. 5826 * configure.ac: Do not use AC_LIBTOOL_DLOPEN when configured 5827 with --without-headers. Do not use GCC_HEADER_STDINT for 5828 freestanding builds. 5829 * libsupc++/Makefile.am (HOSTED_CXXFLAGS): Use -ffreestanding 5830 for freestanding builds. 5831 * configure: Regenerate. 5832 * Makefile.in: Regenerate. 5833 * doc/Makefile.in: Regenerate. 5834 * include/Makefile.in: Regenerate. 5835 * libsupc++/Makefile.in: Regenerate. 5836 * po/Makefile.in: Regenerate. 5837 * python/Makefile.in: Regenerate. 5838 * src/Makefile.in: Regenerate. 5839 * src/c++11/Makefile.in: Regenerate. 5840 * src/c++17/Makefile.in: Regenerate. 5841 * src/c++20/Makefile.in: Regenerate. 5842 * src/c++98/Makefile.in: Regenerate. 5843 * src/filesystem/Makefile.in: Regenerate. 5844 * testsuite/Makefile.in: Regenerate. 5845 5846 2022-01-10 Jonathan Wakely <jwakely (a] redhat.com> 5847 5848 * testsuite/28_regex/algorithms/regex_replace/char/103664.cc: 5849 Add dg-timeout-factor directive. 5850 * testsuite/28_regex/basic_regex/84110.cc: Likewise. 5851 * testsuite/28_regex/basic_regex/ctors/char/other.cc: Likewise. 5852 * testsuite/28_regex/match_results/102667.cc: Likewise. 5853 5854 2022-01-10 Jonathan Wakely <jwakely (a] redhat.com> 5855 5856 * doc/xml/manual/using.xml: Update documentation around default 5857 -std option. 5858 * doc/html/*: Regenerate. 5859 5860 2022-01-10 Jonathan Wakely <jwakely (a] redhat.com> 5861 5862 PR libstdc++/100017 5863 * src/c++17/Makefile.am (AM_CXXFLAGS): Add -nostdinc++. 5864 * src/c++17/Makefile.in: Regenerate. 5865 5866 2022-01-09 Sandra Loosemore <sandra (a] codesourcery.com> 5867 5868 * testsuite/18_support/type_info/constexpr.cc: Add explicit 5869 -fdelete-null-pointer-checks option. 5870 5871 2022-01-06 Pavel I. Kryukov <pavel.kryukov (a] phystech.edu> 5872 Jonathan Wakely <jwakely (a] redhat.com> 5873 5874 PR libstdc++/103853 5875 * include/bits/forward_list.tcc (forward_list::merge): Check for 5876 self-merge. 5877 * testsuite/23_containers/forward_list/operations/merge.cc: New test. 5878 5879 2022-01-06 Jonathan Wakely <jwakely (a] redhat.com> 5880 5881 * include/bits/regex.h (basic_regex, match_results): Qualify 5882 name in friend declaration, to work around Clang bug. 5883 5884 2022-01-06 Jonathan Wakely <jwakely (a] redhat.com> 5885 5886 * testsuite/ext/rope/pthread7-rope.cc: Add dg-timeout-factor. 5887 5888 2022-01-06 Jonathan Wakely <jwakely (a] redhat.com> 5889 5890 PR libstdc++/103911 5891 * include/std/charconv (__from_chars_alpha_to_num): Return 5892 char instead of unsigned char. Change invalid return value to 5893 127 instead of using numeric trait. 5894 (__from_chars_alnum): Fix comment. Do not use std::isdigit. 5895 Change type of variable to char. 5896 5897 2022-01-05 Franois Dumont <fdumont (a] gcc.gnu.org> 5898 5899 PR libstdc++/68303 5900 * include/bits/hashtable_policy.h 5901 (_Hashtable_hash_traits<_Hash>): New. 5902 (_Hash_code_base<>::_M_hash_code(const _Hash_node_value<>&)): New. 5903 (_Hashtable_base<>::_M_key_equals): New. 5904 (_Hashtable_base<>::_M_equals): Use latter. 5905 (_Hashtable_base<>::_M_key_equals_tr): New. 5906 (_Hashtable_base<>::_M_equals_tr): Use latter. 5907 * include/bits/hashtable.h 5908 (_Hashtable<>::__small_size_threshold()): New, use _Hashtable_hash_traits. 5909 (_Hashtable<>::find): Loop through elements to look for key if size is lower 5910 than __small_size_threshold(). 5911 (_Hashtable<>::_M_emplace(true_type, _Args&&...)): Likewise. 5912 (_Hashtable<>::_M_insert_unique(_Kt&&, _Args&&, const _NodeGenerator&)): Likewise. 5913 (_Hashtable<>::_M_compute_hash_code(const_iterator, const key_type&)): New. 5914 (_Hashtable<>::_M_emplace(const_iterator, false_type, _Args&&...)): Use latter. 5915 (_Hashtable<>::_M_find_before_node(const key_type&)): New. 5916 (_Hashtable<>::_M_erase(true_type, const key_type&)): Use latter. 5917 (_Hashtable<>::_M_erase(false_type, const key_type&)): Likewise. 5918 * src/c++11/hashtable_c++0x.cc: Include <bits/functional_hash.h>. 5919 * testsuite/util/testsuite_performance.h 5920 (report_performance): Use 9 width to display memory. 5921 * testsuite/performance/23_containers/insert_erase/unordered_small_size.cc: 5922 New performance test case. 5923 5924 2022-01-05 Jonathan Wakely <jwakely (a] redhat.com> 5925 5926 PR libstdc++/103919 5927 * include/bits/basic_string.h (basic_string(const T&, size_t, size_t)): 5928 Relax constraints on string_view parameter. 5929 * include/bits/cow_string.h (basic_string(const T&, size_t, size_t)): 5930 Likewise. 5931 * testsuite/21_strings/basic_string/cons/char/103919.cc: New test. 5932 5933 2022-01-05 Jonathan Wakely <jwakely (a] redhat.com> 5934 5935 * config/abi/pre/gnu.ver (GLIBCXX_3.4.30): Export new symbol for 5936 ARM EABI. 5937 * include/bits/c++config (_GLIBCXX23_CONSTEXPR): Define. 5938 * include/std/version (__cpp_lib_constexpr_typeinfo): Define. 5939 * libsupc++/tinfo.cc: Add #error to ensure non-inline definition 5940 is emitted. 5941 (type_info::__equal): Define alias symbol. 5942 * libsupc++/typeinfo (type_info::before): Combine different 5943 implementations into one. 5944 (type_info::operator==): Likewise. Use address equality for 5945 constant evaluation. Call __equal for targets that require the 5946 definition to be non-inline. 5947 * testsuite/18_support/type_info/constexpr.cc: New test. 5948 5949 2022-01-05 Jonathan Wakely <jwakely (a] redhat.com> 5950 5951 * src/c++11/cxx11-ios_failure.cc (io_error_category): Define 5952 class and virtual functions as 'final'. 5953 (io_category_instance): Use constinit union to make the object 5954 immortal. 5955 * src/c++11/future.cc (future_error_category): Define class and 5956 virtual functions as 'final'. 5957 (future_category_instance): Use constinit union. 5958 5959 2022-01-05 Jonathan Wakely <jwakely (a] redhat.com> 5960 5961 * python/libstdcxx/v6/printers.py (StdErrorCodePrinter): Strip 5962 versioned namespace from the type name that is printed. 5963 5964 2022-01-05 Jonathan Wakely <jwakely (a] redhat.com> 5965 5966 * python/libstdcxx/v6/printers.py (StdRegexStatePrinter): New 5967 printer for std::regex NFA states. 5968 5969 2022-01-05 Jonathan Wakely <jwakely (a] redhat.com> 5970 5971 * testsuite/23_containers/forward_list/operations/1.cc: Fill in 5972 placeholders in comments. 5973 * testsuite/23_containers/forward_list/operations/2.cc: 5974 Likewise. 5975 * testsuite/23_containers/forward_list/operations/3.cc: 5976 Likewise. 5977 * testsuite/23_containers/forward_list/operations/4.cc: 5978 Likewise. 5979 * testsuite/23_containers/forward_list/operations/5.cc: 5980 Likewise. 5981 * testsuite/23_containers/forward_list/operations/6.cc: 5982 Likewise. 5983 * testsuite/23_containers/forward_list/operations/7.cc: 5984 Likewise. 5985 5986 2022-01-05 Jonathan Wakely <jwakely (a] redhat.com> 5987 5988 PR libstdc++/103848 5989 * include/bits/stl_deque.h (operator-): Do not use 0 as null 5990 pointer constant. 5991 5992 2022-01-05 Jonathan Wakely <jwakely (a] redhat.com> 5993 5994 * include/bits/alloc_traits.h (allocator_traits<allocator<void>>): 5995 Use std::_Construct for construct. 5996 5997 2022-01-05 Jonathan Wakely <jwakely (a] redhat.com> 5998 5999 PR libstdc++/103877 6000 * doc/xml/faq.xml: Add '-x c++' to preprocessor command. 6001 * doc/html/faq.html: Regenerate. 6002 6003 2022-01-05 Jonathan Wakely <jwakely (a] redhat.com> 6004 6005 * include/bits/regex.h (__regex_algo_impl): Change __policy and 6006 __match_mode template parameters to be function parameters. 6007 (regex_match, regex_search): Pass policy and match mode as 6008 function arguments. 6009 * include/bits/regex.tcc (__regex_algo_impl): Change template 6010 parameters to function parameters. 6011 * include/bits/regex_compiler.h (_RegexTranslatorBase): Use 6012 'if constexpr' for conditions using template parameters. 6013 (_RegexTranslator): Likewise. 6014 * include/bits/regex_executor.tcc (_Executor::_M_handle_accept): 6015 Likewise. 6016 * testsuite/util/testsuite_regex.h (regex_match_debug) 6017 (regex_search_debug): Move template arguments to function 6018 arguments. 6019 6020 2022-01-05 Jonathan Wakely <jwakely (a] redhat.com> 6021 6022 * testsuite/util/testsuite_regex.h (regex_match_debug): Compare 6023 results even if the match failed. 6024 6025 2022-01-05 Jonathan Wakely <jwakely (a] redhat.com> 6026 6027 * include/bits/regex_compiler.tcc: Adjust all calls to 6028 __throw_regex_error. 6029 * include/bits/regex_error.h (__throw_regex_error): Add noreturn 6030 attribute. 6031 * include/bits/regex_scanner.tcc: Likewise. 6032 * src/c++11/regex.cc (desc): New helper function. 6033 (regex_error::regex_error(error_type)): Use desc to get a string 6034 corresponding to the error code. 6035 6036 6038 Copyright (C) 2022 Free Software Foundation, Inc. 6039 6040 Copying and distribution of this file, with or without modification, 6041 are permitted in any medium without royalty provided the copyright 6042 notice and this notice are preserved. 6043
Indexes created Tue Oct 27 00:25:24 UTC 2026