1 2023-08-06 François Dumont <fdumont@gcc.gnu.org>
3 * config/abi/pre/gnu-versioned-namespace.ver: Add __cxa_call_terminate
6 2023-07-30 François Dumont <fdumont@gcc.gnu.org>
8 * src/c++11/compatibility-ldbl-facets-aliases.h: Replace #define with
10 * src/c++11/locale-inst-monetary.h: Likewise.
11 * src/c++11/locale-inst-numeric.h: Likewise.
13 2023-07-27 Jonathan Wakely <jwakely@redhat.com>
16 * include/std/format (__formatter_fp::format): Ensure __expc is
17 always set for all presentation types. Set __z correctly for
19 * testsuite/std/format/functions/format.cc: Check problem cases.
21 2023-07-26 Jonathan Wakely <jwakely@redhat.com>
24 * testsuite/23_containers/vector/bool/110807.cc: Require c++11.
26 2023-07-26 Jonathan Wakely <jwakely@redhat.com>
29 * include/bits/stl_bvector.h (vector(const vector&)): Access
30 iterators before allocating.
31 * include/bits/vector.tcc (vector<bool>::_M_insert_range):
33 * testsuite/23_containers/vector/bool/110807.cc: New test.
35 2023-07-26 Jonathan Wakely <jwakely@redhat.com>
37 * include/bits/algorithmfwd.h (random_shuffle): Add deprecated
39 * include/bits/stl_algo.h (random_shuffle): Correct comments.
40 * testsuite/25_algorithms/random_shuffle/1.cc: Disable
42 * testsuite/25_algorithms/random_shuffle/59603.cc: Likewise.
43 * testsuite/25_algorithms/random_shuffle/moveable.cc: Likewise.
44 * testsuite/25_algorithms/random_shuffle/deprecated.cc: New
47 2023-07-26 Nathaniel Shead <nathanieloshead@gmail.com>
49 * testsuite/25_algorithms/equal/constexpr_neg.cc: Update diagnostic
51 * testsuite/26_numerics/gcd/105844.cc: Likewise.
52 * testsuite/26_numerics/lcm/105844.cc: Likewise.
54 2023-07-24 Deev Patel <pateldeev@nevada.unr.edu>
56 * include/std/format (_Formatting_scanner::_M_on_chars): Add
57 missing constexpr specifier.
58 (_Formatting_scanner::_M_format_arg): Likewise.
60 2023-07-24 Jonathan Wakely <jwakely@redhat.com>
63 * include/bits/basic_string.h [!HAVE_STOF] (stof): Do not
64 throw an exception for zero result.
65 [HAVE_BROKEN_STRTOLD] (stold): Do not use strtold.
67 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
70 * src/c++17/floating_from_chars.cc (from_chars): Only define
71 _Float128 overload when using __strfromf128.
73 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
76 * include/bits/chrono.h (duration): Improve static assert
78 (__is_ratio): Move to ...
79 * include/std/ratio (__is_ratio): ... here.
80 (__is_ratio_v): New variable template and partial
82 (__are_both_ratios): New function template.
83 (__ratio_multiply, ratio_equal, ratio_less, __ratio_add):
85 * testsuite/20_util/ratio/requirements/type_constraints.cc:
87 * testsuite/20_util/duration/requirements/typedefs_neg1.cc:
88 Adjust expected error.
89 * testsuite/20_util/duration/requirements/typedefs_neg2.cc:
92 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
94 * include/bits/chrono_io.h (__formatter_chrono::_M_format):
95 Do not set __is_neg for hh_mm_ss before calling
96 _M_format_to_ostream. Change __print_sign lambda to only check
97 __is_neg for durations and hh_mm_ss types.
98 (__formatter_chrono::_M_format_to_ostream): Only check __is_neg
100 * testsuite/std/time/hh_mm_ss/io.cc: Check negative values.
102 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
105 * include/bits/chrono_io.h (__formatter_chrono::_S_floor_seconds):
106 Handle duration and hh_mm_ss.
107 * testsuite/20_util/duration/io.cc: Check locale-specific
109 * testsuite/std/time/hh_mm_ss/io.cc: Likewise.
111 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
113 * include/std/format (__write_padded): Initialize first element
114 of array to avoid a -Wmaybe-uninitialized warning.
116 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
119 * include/bits/chrono_io.h (__formatter_chrono::_M_parse): Fix
120 allowed modifiers for %z and %Z. Fix -Wparentheses and
121 -Wnarrowing warnings.
122 (__formatter_chrono::_M_format): Call new functions for %d, %e,
124 (__formatter_chrono::_M_c): Use _S_floor_seconds to remove
126 (__formatter_chrono::_M_C_y_Y): Use _M_locale_fmt to handle
128 (__formatter_chrono::_M_e): Replace with _M_d_e and use
130 (__formatter_chrono::_M_I): Replace with _M_H_I and use
132 (__formatter_chrono::_M_m): New function.
133 (__formatter_chrono::_M_M): New function.
134 (__formatter_chrono::_M_r): Use _M_locale_fmt.
135 (__formatter_chrono::_M_S): Likewise.
136 (__formatter_chrono::_M_u_w): Likewise.
137 (__formatter_chrono::_M_U_V_W): Likewise.
138 (__formatter_chrono::_M_X): Use _S_floor_seconds.
139 (__formatter_chrono::_M_Z): Fix untested branch for wchar_t.
140 (__formatter_chrono::_S_altnum): Remove function.
141 (__formatter_chrono::_S_dd_zero_fill): Remove function.
142 (__formatter_chrono::_S_floor_seconds): New function.
143 (__formatter_chrono::_M_locale_fmt): New function.
144 * testsuite/std/time/clock/system/io.cc: Adjust expected output
145 for locale-specific formats and check modified formats.
146 * testsuite/std/time/clock/utc/io.cc: Likewise.
147 * testsuite/std/time/zoned_time/io.cc: New test.
149 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
152 * include/bits/chrono_io.h (__formatter_chrono::_M_parse): Only
153 allow a single modifier.
154 * testsuite/std/time/format.cc: Check multiple modifiers.
156 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
159 * testsuite/21_strings/basic_string/numeric_conversions/char/stod.cc:
160 Remove dg-require-string-conversions.
161 * testsuite/21_strings/basic_string/numeric_conversions/char/stof.cc:
163 * testsuite/21_strings/basic_string/numeric_conversions/char/stoi.cc:
165 * testsuite/21_strings/basic_string/numeric_conversions/char/stol.cc:
167 * testsuite/21_strings/basic_string/numeric_conversions/char/stoul.cc:
170 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
173 * include/bits/basic_string.h [!_GLIBCXX_HAVE_STRTOF] (stof):
174 Define in terms of std::stod.
176 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
179 * include/bits/basic_string.h [_GLIBCXX_HAVE_STRTOF] (stof):
181 [_GLIBCXX_HAVE_STRTOLD] (stold): Define.
182 * include/c_global/cstdlib [_GLIBCXX_HAVE_STRTOF] (strtof):
183 Declare in namespace std.
184 [_GLIBCXX_HAVE_STRTOLD] (strtold): Likewise.
186 2023-07-13 Jonathan Wakely <jwakely@redhat.com>
189 * include/bits/basic_string.h (stoi, stol, stoul, stod): Do not
190 depend on _GLIBCXX_USE_C99_STDLIB.
191 [__LONG_WIDTH__ == __LONG_LONG_WIDTH__] (stoll, stoull): Define
192 in terms of stol and stoul respectively.
193 [__DBL_MANT_DIG__ == __LDBL_MANT_DIG__] (stold): Define in terms
196 2023-07-12 Jonathan Wakely <jwakely@redhat.com>
199 * testsuite/27_io/filesystem/path/construct/95048.cc: Check
200 conversions to wide strings.
201 * testsuite/experimental/filesystem/path/construct/95048.cc:
204 2023-07-12 Jonathan Wakely <jwakely@redhat.com>
206 * config/io/basic_file_stdio.cc: Define LFS macros.
207 (__basic_file<char>::open): Use fopen unconditionally.
208 (get_file_offset): Use lseek unconditionally.
209 (__basic_file<char>::seekoff): Likewise.
210 (__basic_file<char>::showmanyc): Use fstat unconditionally.
212 2023-07-12 Jonathan Wakely <jwakely@redhat.com>
215 * acinclude.m4 (GLIBCXX_CHECK_LFS): Check for fseeko and ftello
216 and define _GLIBCXX_USE_FSEEKO_FTELLO.
217 * config.h.in: Regenerate.
218 * configure: Regenerate.
219 * config/io/basic_file_stdio.cc (xwrite) [_GLIBCXX_USE_STDIO_PURE]:
220 Check for fwrite error correctly.
221 (__basic_file<char>::xsgetn) [_GLIBCXX_USE_STDIO_PURE]: Check for
222 fread error correctly.
223 (get_file_offset): New function.
224 (__basic_file<char>::seekoff) [_GLIBCXX_USE_STDIO_PURE]: Use
225 fseeko if available. Use get_file_offset instead of return value
227 (__basic_file<char>::showmanyc): Use get_file_offset.
229 2023-07-12 Ken Matsui <kmatsui@gcc.gnu.org>
231 * include/std/type_traits (__make_unsigned_selector): Use
232 __is_enum built-in trait.
233 (__make_signed_selector): Likewise.
234 (__underlying_type_impl): Likewise.
236 2023-07-06 Tianqiang Shuai <1101282468@qq.com>
238 * config/io/basic_file_stdio.cc (xwrite) [USE_STDIO_PURE]: Fix
241 2023-07-06 Jonathan Wakely <jwakely@redhat.com>
244 * doc/xml/manual/configure.xml: Describe stdio_pure argument to
246 * doc/html/manual/configure.html: Regenerate.
248 2023-07-05 Thomas Rodgers <trodgers@redhat.com>
250 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: Delete
252 * testsuite/25_algorithms/pstl/alg_sorting/set_difference.cc:
254 * testsuite/25_algorithms/pstl/alg_sorting/set_intersection.cc:
256 * testsuite/25_algorithms/pstl/alg_sorting/set_symmetric_difference.cc:
258 * testsuite/25_algorithms/pstl/alg_sorting/set_union.cc:
260 * testsuite/25_algorithms/pstl/alg_sorting/set_util.h:
263 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
265 * testsuite/23_containers/forward_list/debug/iterator1_neg.cc:
266 Skip as UNSUPPORTED for C++98 mode.
267 * testsuite/23_containers/forward_list/debug/iterator3_neg.cc:
270 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
273 * include/bits/stl_uninitialized.h (__uninitialized_default_n):
274 Do not use std::fill_n during constant evaluation.
276 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
278 * include/bits/vector.tcc (_M_default_append): Replace try-block
281 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
283 * include/bits/iterator_concepts.h (projected): Add typename.
285 2023-07-03 Jonathan Wakely <jwakely@redhat.com>
287 * testsuite/27_io/headers/iosfwd/synopsis.cc: Make wsyncbuf and
288 wosyncstream depend on _GLIBCXX_USE_CXX11_ABI.
290 2023-07-03 Jonathan Wakely <jwakely@redhat.com>
292 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
293 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
294 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
295 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
297 2023-07-03 Jonathan Wakely <jwakely@redhat.com>
299 * include/bits/alloc_traits.h (_Destroy): Qualify call.
300 * include/bits/stl_construct.h (_Destroy, _Destroy_n): Likewise.
301 * testsuite/23_containers/vector/cons/destroy-adl.cc: New test.
303 2023-07-03 Iain Sandoe <iain@sandoe.co.uk>
305 * testsuite/lib/libstdc++.exp: Remove additional flag handled
308 2023-06-30 Jonathan Wakely <jwakely@redhat.com>
311 * acinclude.m4 (GLIBCXX_CHECK_INIT_PRIORITY): New.
312 * config.h.in: Regenerate.
313 * configure: Regenerate.
314 * configure.ac: Use GLIBCXX_CHECK_INIT_PRIORITY.
315 * include/std/iostream: Use new autoconf macro as well as
317 * src/c++98/ios_base_init.h: Use new autoconf macro instead of
320 2023-06-30 Jonathan Wakely <jwakely@redhat.com>
322 * src/c++11/random.cc (random_device::_M_init): Add maybe_unused
325 2023-06-30 Jonathan Wakely <jwakely@redhat.com>
328 * src/c++11/random.cc (random_device::_M_init): Throw
329 std::system_error when the requested device is a valid token but
330 not available at runtime.
332 2023-06-30 Hans-Peter Nilsson <hp@axis.com>
335 * include/pstl/unseq_backend_simd.h (__simd_or): Re-apply using
336 __INT32_TYPE__ instead of int32_t.
338 2023-06-29 Jonathan Wakely <jwakely@redhat.com>
340 * src/c++20/tzdb.cc (USE_ATOMIC_SHARED_PTR): Define consistently
341 with USE_ATOMIC_LIST_HEAD.
342 (list_mutex): Replace global object with function. Use local
343 static object when std::mutex constructor isn't constexpr.
345 2023-06-29 Jonathan Wakely <jwakely@redhat.com>
348 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check that
349 copy_file_range can be called with loff_t* arguments.
350 * configure: Regenerate.
351 * src/filesystem/ops-common.h (copy_file_copy_file_range):
352 Use loff_t for offsets.
354 2023-06-29 Tom Tromey <tromey@adacore.com>
356 * testsuite/lib/gdb-test.exp (gdb-test): Relax type-printer
359 2023-06-28 Jan Hubicka <jh@suse.cz>
362 * include/bits/c++config (std::__terminate): Mark cold.
363 * include/bits/functexcept.h: Mark everything as cold.
364 * libsupc++/exception: Mark terminate and unexpected as cold.
366 2023-06-26 Thomas Rodgers <trodgers@redhat.com>
368 * include/pstl/algorithm_fwd.h: Synchronize with upstream.
369 * include/pstl/algorithm_impl.h: Likewise.
370 * include/pstl/execution_defs.h: Likewise.
371 * include/pstl/execution_impl.h: Likewise.
372 * include/pstl/glue_algorithm_impl.h: Likewise.
373 * include/pstl/glue_execution_defs.h: Likewise.
374 * include/pstl/glue_memory_impl.h: Likewise.
375 * include/pstl/glue_numeric_impl.h: Likewise.
376 * include/pstl/memory_impl.h: Likewise.
377 * include/pstl/numeric_fwd.h: Likewise.
378 * include/pstl/numeric_impl.h: Likewise.
379 * include/pstl/parallel_backend.h: Likewise.
380 * include/pstl/parallel_backend_serial.h: Likewise.
381 * include/pstl/parallel_backend_tbb.h: Likewise.
382 * include/pstl/parallel_impl.h: Likewise.
383 * include/pstl/pstl_config.h: Likewise.
384 * include/pstl/unseq_backend_simd.h: Likewise.
385 * include/pstl/utils.h: Likewise.
386 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
388 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
390 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc:
392 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc:
394 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
395 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
397 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
399 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc:
401 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc:
403 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
405 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
407 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
409 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
411 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc:
413 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc:
415 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
417 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
419 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
421 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc:
423 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc:
425 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc:
427 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
429 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
431 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc:
433 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc:
435 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc:
437 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc:
439 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc:
441 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc:
443 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc:
445 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
447 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc:
449 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc:
451 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc:
453 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc:
455 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
457 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc:
459 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
461 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc:
463 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc:
465 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc:
467 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc:
469 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
471 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc:
473 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc:
475 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
477 * testsuite/25_algorithms/pstl/alg_sorting/set.cc:
479 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc:
481 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
483 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc:
485 * testsuite/26_numerics/pstl/numeric_ops/scan.cc:
487 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc:
489 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc:
491 * testsuite/util/pstl/test_utils.h:
494 2023-06-26 Jonathan Wakely <jwakely@redhat.com>
497 * include/std/format (__format::__parse_integer): Fix buffer
498 overflow for wide chars.
499 (formatter<const void*, C>::format): Cast to uintptr_t instead
501 * testsuite/std/format/string.cc: Test too-large widths.
503 2023-06-26 Jonathan Wakely <jwakely@redhat.com>
505 * include/bits/iterator_concepts.h (projected): Replace class
506 template with alias template denoting an ADL-proofed helper.
507 (incremental_traits<projected<Iter, Proj>>): Remove.
508 * testsuite/24_iterators/indirect_callable/projected-adl.cc:
511 2023-06-26 Jonathan Wakely <jwakely@redhat.com>
513 * include/debug/helper_functions.h (__get_distance)
514 (__check_singular, __valid_range_aux, __valid_range): Qualify
515 calls to disable ADL.
516 (__check_singular_aux(const _Safe_iterator_base*)): Declare
517 overload that was previously found via ADL.
519 2023-06-23 Jonathan Wakely <jwakely@redhat.com>
521 * include/bits/vector.tcc (_M_realloc_insert): Replace try-block
524 2023-06-20 Jonathan Wakely <jwakely@redhat.com>
526 * include/std/array (to_array(T(&)[N])): Remove redundant
528 (to_array(T(&&)[N])): Remove redundant std::move.
530 2023-06-16 Alexandre Oliva <oliva@adacore.com>
532 * testsuite/20_util/from_chars/4.cc: Skip long double on
535 2023-06-16 Joel Brobecker <brobecker@adacore.com>
537 * configure.ac ["x${with_newlib}" = "xyes"]: Define
538 HAVE_HYPOTF. Add compile-checks for various long double
539 math functions as well.
540 * configure: Regenerate.
542 2023-06-14 Jonny Grant <jg@jguk.org>
544 * doc/xml/manual/extensions.xml: Remove demangle exception
545 description and include.
546 * doc/html/manual/ext_demangling.html: Regenerate.
548 2023-06-10 Hans-Peter Nilsson <hp@axis.com>
550 * testsuite/27_io/basic_istream/ignore/wchar_t/94749.cc (main)
551 [! SIMULATOR_TEST]: Also exclude running test05.
552 * testsuite/27_io/basic_istream/ignore/char/94749.cc: Ditto.
554 2023-06-09 Ken Matsui <kmatsui@cs.washington.edu>
556 * include/std/type_traits: Use using instead of typedef
558 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
561 * src/c++17/floating_from_chars.cc (from_chars) <_Float128>:
562 Only define if _Float128 and long double have different
565 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
568 * include/experimental/internet [IPPROTO_TCP || IPPROTO_UDP]
569 (basic_endpoint, basic_resolver_entry, resolver_base)
570 (basic_resolver_results, basic_resolver): Only define if the tcp
571 or udp protocols will be defined.
573 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
575 * acinclude.m4 (libtool_VERSION): Update to 6.0.33.
576 * configure: Regenerate.
577 * doc/xml/manual/abi.xml: Add libstdc++.so.6.0.33.
578 * doc/html/manual/abi.html: Regenerate.
580 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
583 * include/std/format (formatter<const void*, charT>::parse):
584 Only alow 0 and P for C++26 and non-strict modes.
585 (formatter<const void*, charT>::format): Use toupper for P
586 type, and insert zero-fill characters for 0 option.
587 * testsuite/std/format/functions/format.cc: Check pointer
588 formatting. Only check P2510R3 extensions conditionally.
589 * testsuite/std/format/parse_ctx.cc: Only check P2510R3
590 extensions conditionally.
592 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
595 * include/std/array (to_array): Initialize arrays of trivial
596 types using memcpy. For non-trivial types, use lambda
597 expressions instead of a separate helper function.
598 (__to_array): Remove.
599 * testsuite/23_containers/array/creation/110167.cc: New test.
601 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
603 * testsuite/23_containers/deque/modifiers/emplace/52799.cc:
605 * testsuite/23_containers/deque/modifiers/emplace/const_iterator.cc:
607 * testsuite/23_containers/list/modifiers/emplace/52799.cc:
609 * testsuite/23_containers/list/modifiers/emplace/const_iterator.cc:
611 * testsuite/23_containers/vector/modifiers/emplace/52799.cc:
613 * testsuite/23_containers/vector/modifiers/emplace/const_iterator.cc:
615 * testsuite/23_containers/deque/modifiers/emplace/1.cc: New
617 * testsuite/23_containers/list/modifiers/emplace/1.cc: New
619 * testsuite/23_containers/vector/modifiers/emplace/1.cc: New
622 2023-06-07 Jakub Jelinek <jakub@redhat.com>
625 * testsuite/20_util/to_chars/double.cc: Include <cfloat>.
626 (double_to_chars_test_cases,
627 double_scientific_precision_to_chars_test_cases_2,
628 double_fixed_precision_to_chars_test_cases_2): #if out 1e126, 4.91e-6
629 and 5.547e-6 tests if FLT_EVAL_METHOD is negative or larger than 1.
630 Add unconditional tests with corresponding double constants
631 0x1.7a2ecc414a03fp+418, 0x1.4981285e98e79p-18 and
632 0x1.7440bbff418b9p-18.
634 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
636 * testsuite/util/testsuite_abi.cc (check_version): Re-add
639 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
641 * testsuite/18_support/nested_exception/rethrow_if_nested-term.cc:
642 Require effective target exceptions_enabled instead of using
644 * testsuite/23_containers/vector/capacity/constexpr.cc: Expect
645 shrink_to_fit() to be a no-op without exceptions enabled.
646 * testsuite/23_containers/vector/capacity/shrink_to_fit.cc:
648 * testsuite/ext/bitmap_allocator/check_allocate_max_size.cc:
649 Require effective target exceptions_enabled.
650 * testsuite/ext/malloc_allocator/check_allocate_max_size.cc:
652 * testsuite/ext/mt_allocator/check_allocate_max_size.cc:
654 * testsuite/ext/new_allocator/check_allocate_max_size.cc:
656 * testsuite/ext/pool_allocator/check_allocate_max_size.cc:
658 * testsuite/ext/throw_allocator/check_allocate_max_size.cc:
661 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
663 * testsuite/20_util/duration/cons/2.cc: Use values that aren't
664 affected by rounding.
665 * testsuite/20_util/from_chars/5.cc: Cast arithmetic result to
666 double before comparing for equality.
667 * testsuite/20_util/from_chars/6.cc: Likewise.
668 * testsuite/20_util/variant/86874.cc: Use values that aren't
669 affected by rounding.
670 * testsuite/25_algorithms/lower_bound/partitioned.cc: Compare to
671 original value instead of to floating-point-literal.
672 * testsuite/26_numerics/random/discrete_distribution/cons/range.cc:
673 Cast arithmetic result to double before comparing for equality.
674 * testsuite/26_numerics/random/piecewise_constant_distribution/cons/range.cc:
676 * testsuite/26_numerics/random/piecewise_linear_distribution/cons/range.cc:
678 * testsuite/26_numerics/valarray/transcend.cc (eq): Check that
679 the absolute difference is less than 0.01 instead of comparing
680 to two decimal places.
681 * testsuite/27_io/basic_istream/extractors_arithmetic/char/01.cc:
682 Cast arithmetic result to double before comparing for equality.
683 * testsuite/27_io/basic_istream/extractors_arithmetic/char/09.cc:
685 * testsuite/27_io/basic_istream/extractors_arithmetic/char/10.cc:
687 * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/01.cc:
689 * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/09.cc:
691 * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/10.cc:
693 * testsuite/ext/random/hoyt_distribution/cons/parms.cc: Likewise.
695 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
698 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
700 * configure.ac: Use AS_IF.
701 * configure: Regenerate.
703 2023-06-07 Thomas Schwinge <thomas@codesourcery.com>
705 * testsuite/lib/prune.exp (libstdc++-dg-prune): Support
706 'UNSUPPORTED: [...]: exception handling disabled'.
708 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
710 * testsuite/util/testsuite_abi.cc (check_version): Add
711 CXXABI_1.3.15 symver and make it the latestp. Remove
712 GLIBCXX_IEEE128_3.4.31 and GLIBCXX_LDBL_3.4.31 from latestp.
714 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
715 Jakub Jelinek <jakub@redhat.com>
718 * include/std/limits: (numeric_limits<__float128>): Define
719 for __STRICT_ANSI__ as well.
720 * testsuite/18_support/numeric_limits/128bit.cc: Remove
721 check for __STRICT_ANSI__.
723 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
725 * configure.ac: Use AS_IF.
726 * configure: Regenerate.
728 2023-06-06 Matthias Kretz <m.kretz@gsi.de>
731 * include/experimental/bits/simd_builtin.h (_S_store): Rewrite
732 to avoid casts to other vector types. Implement store as
733 succession of power-of-2 sized memcpy to avoid PR90424.
735 2023-06-06 Matthias Kretz <m.kretz@gsi.de>
738 * include/experimental/bits/simd_builtin.h (_S_masked_store):
739 Call into deduced ABI's SimdImpl after conversion.
740 * include/experimental/bits/simd_x86.h (_S_masked_store_nocvt):
741 Don't use _mm_maskmoveu_si128. Use the generic fall-back
742 implementation. Also fix masked stores without SSE2, which
743 were not doing anything before.
745 2023-06-06 Matthias Kretz <m.kretz@gsi.de>
747 * include/experimental/bits/simd.h (__bit_cast): Use
748 __gnu__::__vector_size__ instead of gnu::vector_size.
750 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
753 * include/std/array (__array_traits<T, 0>::operator T*()): Make
754 conversion operator explicit.
755 (array::front): Use size_type as subscript operand.
756 (array::data): Use static_cast to make conversion explicit.
757 * testsuite/23_containers/array/element_access/110139.cc: New
760 2023-06-06 Joseph Faulls <Joseph.Faulls@imgtec.com>
762 * include/bits/locale_classes.tcc: Remove check for
763 codecvt<char8_t, char, mbstate_t> facet.
765 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
767 * src/filesystem/ops-common.h (do_copy_file) [O_CLOEXEC]: Set
768 close-on-exec flag on file descriptors.
770 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
773 * src/filesystem/ops-common.h (do_copy_file): Check for empty
774 files by trying to read a character.
775 * testsuite/27_io/filesystem/operations/copy_file_108178.cc:
778 2023-06-06 Jannik Glückert <jannik.glueckert@gmail.com>
780 * acinclude.m4 (_GLIBCXX_USE_COPY_FILE_RANGE): Define.
781 * config.h.in: Regenerate.
782 * configure: Regenerate.
783 * src/filesystem/ops-common.h (copy_file_copy_file_range):
785 (do_copy_file): Use it.
787 2023-06-06 Jannik Glückert <jannik.glueckert@gmail.com>
789 * acinclude.m4 (_GLIBCXX_HAVE_LSEEK): Define.
790 * config.h.in: Regenerate.
791 * configure: Regenerate.
792 * src/filesystem/ops-common.h (copy_file_sendfile): Define new
793 function for sendfile logic. Loop to support large files. Skip
795 (do_copy_file): Use it.
797 2023-06-04 Jason Merrill <jason@redhat.com>
800 * libsupc++/eh_call.cc (__cxa_call_terminate): Take void*.
801 * config/abi/pre/gnu.ver: Add it.
803 2023-06-02 François Dumont <fdumont@gcc.gnu.org>
805 * include/parallel/algobase.h: Include <parallel/search.h>.
807 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
809 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc:
810 Add const to equality operator.
812 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
814 * include/std/expected (expected::and_then, expected::or_else)
815 (expected::transform_error): Use _M_val and _M_unex instead of
816 calling value() and error(), as per LWG 3938.
817 (expected::transform): Likewise. Remove incorrect std::move
818 calls from lvalue overloads.
819 (expected<void, E>::and_then, expected<void, E>::or_else)
820 (expected<void, E>::transform): Use _M_unex instead of calling
822 * testsuite/20_util/expected/lwg3877.cc: Add checks for and_then
823 and transform, and for std::expected<void, E>.
824 * testsuite/20_util/expected/lwg3938.cc: New test.
826 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
829 * include/bits/stl_vector.h (_Vector_base::_M_invariant):
831 (vector::size, vector::capacity): Remove calls to _M_invariant.
832 * include/bits/vector.tcc (vector::_M_fill_assign): Add
833 optimization hint to reallocating path.
834 (vector::_M_assign_aux(FwdIter, FwdIter, forward_iterator_tag)):
836 * testsuite/23_containers/vector/capacity/invariant.cc: Moved
838 * testsuite/23_containers/vector/modifiers/assign/no_realloc.cc:
839 ...here. Check assign(FwdIter, FwdIter) too.
840 * testsuite/23_containers/vector/types/1.cc: Revert addition
841 of -Wno-stringop-overread option.
843 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
845 * doc/xml/manual/evolution.xml: Document removal of implicit
846 allocator rebinding extensions in strict mode and for C++20.
847 * doc/html/*: Regenerate.
849 2023-06-01 Jason Merrill <jason@redhat.com>
851 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Don't check
852 handlers in the cleanup phase.
854 2023-06-01 Matthias Kretz <m.kretz@gsi.de>
857 * include/experimental/bits/simd.h (__vectorized_sizeof): With
858 __have_neon_a32 only single-precision float works (in addition
861 2023-06-01 François Dumont <fdumont@gcc.gnu.org>
863 * include/bits/stl_algo.h
864 (std::__search, std::search(_FwdIt1, _FwdIt1, _FwdIt2, _FwdIt2, _BinPred)): Move...
865 * include/bits/stl_algobase.h: ...here.
866 * include/std/functional: Replace <stl_algo.h> include by <stl_algobase.h>.
867 * include/parallel/algo.h (std::__parallel::search<_FIt1, _FIt2, _BinaryPred>)
868 (std::__parallel::__search_switch<_FIt1, _FIt2, _BinaryPred, _ItTag1, _ItTag2>):
870 * include/parallel/algobase.h: ...here.
871 * include/experimental/functional: Remove <bits/stl_algo.h> and <parallel/algorithm>
872 includes. Include <bits/stl_algobase.h>.
874 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
877 * acinclude.m4 (GLIBCXX_ENABLE_C99): Add separate check for
878 float_t and double_t and define HAVE_C99_FLT_EVAL_TYPES.
879 * config.h.in: Regenerate.
880 * configure: Regenerate.
881 * include/c_global/cmath (float_t, double_t): Guard using new
882 _GLIBCXX_HAVE_C99_FLT_EVAL_TYPES macro.
884 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
886 * acinclude.m4 (GLIBCXX_ENABLE_C99): Add checks for C99 math
887 functions and define _GLIBCXX_USE_C99_MATH_FUNCS. Move checks
888 for C99 rounding functions to here.
889 (GLIBCXX_CHECK_C99_TR1): Remove checks for C99 rounding
891 * config.h.in: Regenerate.
892 * configure: Regenerate.
893 * include/bits/random.h: Use _GLIBCXX_USE_C99_MATH_FUNCS instead
894 of _GLIBCXX_USE_C99_MATH_TR1.
895 * include/bits/random.tcc: Likewise.
896 * include/c_compatibility/math.h: Likewise.
897 * include/c_global/cmath: Likewise.
898 * include/ext/random: Likewise.
899 * include/ext/random.tcc: Likewise.
900 * include/std/complex: Likewise.
901 * testsuite/20_util/from_chars/4.cc: Likewise.
902 * testsuite/20_util/from_chars/8.cc: Likewise.
903 * testsuite/26_numerics/complex/proj.cc: Likewise.
904 * testsuite/26_numerics/headers/cmath/60401.cc: Likewise.
905 * testsuite/26_numerics/headers/cmath/types_std_c++0x.cc:
907 * testsuite/lib/libstdc++.exp (check_v3_target_cstdint):
909 * testsuite/util/testsuite_random.h: Likewise.
911 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
913 * include/bits/stl_vector.h (_Vector_base::_M_invariant()): New
915 (vector::size(), vector::capacity()): Call _M_invariant().
916 * testsuite/23_containers/vector/capacity/invariant.cc: New test.
917 * testsuite/23_containers/vector/types/1.cc: Add suppression for
918 false positive warning (PR110060).
920 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
923 * src/c++17/floating_from_chars.cc: Check __FLT128_MANT_DIG__ is
924 defined before trying to use _Float128.
926 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
928 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Fix for 32-bit pointers
929 to check __INT_PTR_WIDTH__ instead of sizeof(void*).
930 * configure: Regenerate.
932 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
934 * include/bits/unique_lock.h: Include <bits/error_constants.h>
935 here for std::errc constants.
936 * include/std/mutex: Do not include <bits/error_constants.h> and
939 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
941 * configure.ac: Replace use of -o operator for test.
942 * configure: Regenerate.
944 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
946 * include/std/scoped_allocator (scoped_allocator_adaptor): Add
947 noexcept to all constructors except the default constructor.
948 (scoped_allocator_adaptor::inner_allocator): Add noexcept.
949 (scoped_allocator_adaptor::outer_allocator): Likewise.
950 * testsuite/20_util/scoped_allocator/noexcept.cc: New test.
952 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
955 * include/std/limits (numeric_limits<__float128>): Define.
956 * testsuite/18_support/numeric_limits/128bit.cc: New test.
958 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
960 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Extend logic for avr and
961 msp430 to all 16-bit targets.
962 * configure: Regenerate.
964 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
967 * src/c++17/floating_from_chars.cc (USE_STRTOF128_FOR_FROM_CHARS):
968 Only define when USE_STRTOD_FOR_FROM_CHARS is also defined.
969 (USE_STRTOD_FOR_FROM_CHARS): Do not undefine when long double is
971 (from_chars(const char*, const char*, double&, chars_format)):
972 Check __LDBL_MANT_DIG__ == __DBL_MANT_DIG__ here.
973 (from_chars(const char*, const char*, _Float128&, chars_format))
974 Only use from_chars_strtod when USE_STRTOD_FOR_FROM_CHARS is
975 defined, otherwise parse a long double and convert to _Float128.
977 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
980 * include/std/iomanip (operator>>(basic_istream&, _Setfill)):
981 Add deprecated attribute to non-standard overload.
982 * doc/xml/manual/evolution.xml: Document deprecation.
983 * doc/html/*: Regenerate.
984 * testsuite/27_io/manipulators/standard/char/1.cc: Add
985 dg-warning for expected deprecated warning.
986 * testsuite/27_io/manipulators/standard/char/2.cc: Likewise.
987 * testsuite/27_io/manipulators/standard/wchar_t/1.cc: Likewise.
988 * testsuite/27_io/manipulators/standard/wchar_t/2.cc: Likewise.
990 2023-05-30 Alexandre Oliva <oliva@adacore.com>
992 * testsuite/20_util/from_chars/4.cc: Skip long double test06
994 * testsuite/20_util/to_chars/long_double.cc: Xfail run on
997 2023-05-30 Matthias Kretz <m.kretz@gsi.de>
1000 * include/experimental/bits/simd.h (to_native): Use int NTTP
1001 as specified in PTS2.
1002 (to_compatible): Likewise. Add missing tag to call mask
1004 * testsuite/experimental/simd/pr109822_cast_functions.cc: New
1007 2023-05-30 Matthias Kretz <m.kretz@gsi.de>
1009 * testsuite/experimental/simd/tests/integer_operators.cc:
1010 Compute expected value differently to avoid getting turned into
1013 2023-05-30 Matthias Kretz <m.kretz@gsi.de>
1015 * testsuite/experimental/simd/tests/operator_cvt.cc: Make long
1016 double <-> (u)long conversion tests conditional on sizeof(long
1017 double) and sizeof(long).
1019 2023-05-26 Matthias Kretz <m.kretz@gsi.de>
1021 * include/experimental/bits/simd_ppc.h (_S_bit_shift_left):
1022 Negative __y is UB, so prefer signed compare.
1024 2023-05-25 Jonathan Wakely <jwakely@redhat.com>
1026 * testsuite/util/testsuite_allocator.h (PointerBase): Add
1027 relational operators.
1029 2023-05-25 Alexandre Oliva <oliva@adacore.com>
1031 * testsuite/20_util/to_chars/long_double.cc: Expect execution
1032 fail on x86-vxworks.
1034 2023-05-24 Matthias Kretz <m.kretz@gsi.de>
1037 * include/experimental/bits/simd.h (__intrinsic_type): If
1038 __ALTIVEC__ is defined, map gnu::vector_size types to their
1039 corresponding __vector T types without losing unsignedness of
1040 integer types. Also prefer long long over long.
1041 * include/experimental/bits/simd_ppc.h (_S_popcount): Cast mask
1042 object to the expected unsigned vector type.
1044 2023-05-24 Matthias Kretz <m.kretz@gsi.de>
1047 * include/experimental/bits/simd.h (__intrinsic_type):
1048 Specialize __intrinsic_type<double, 8> and
1049 __intrinsic_type<double, 16> in any case, but provide the member
1050 type only with __aarch64__.
1052 2023-05-24 Matthias Kretz <m.kretz@gsi.de>
1055 * include/experimental/bits/simd_neon.h (_S_reduce): Add
1056 constexpr and make NEON implementation conditional on
1057 not __builtin_is_constant_evaluated.
1059 2023-05-23 Matthias Kretz <m.kretz@gsi.de>
1062 * include/experimental/bits/simd.h (_SimdWrapper::_M_set):
1063 Avoid vector builtin subscripting in constant expressions.
1064 (resizing_simd_cast): Avoid memcpy if constant_evaluated.
1065 (const_where_expression, where_expression, where)
1066 (__extract_part, simd_mask, _SimdIntOperators, simd): Add either
1067 _GLIBCXX_SIMD_CONSTEXPR (on public APIs), or constexpr (on
1069 * include/experimental/bits/simd_builtin.h (__vector_permute)
1070 (__vector_shuffle, __extract_part, _GnuTraits::_SimdCastType1)
1071 (_GnuTraits::_SimdCastType2, _SimdImplBuiltin)
1072 (_MaskImplBuiltin::_S_store): Add constexpr.
1073 (_CommonImplBuiltin::_S_store_bool_array)
1074 (_SimdImplBuiltin::_S_load, _SimdImplBuiltin::_S_store)
1075 (_SimdImplBuiltin::_S_reduce, _MaskImplBuiltin::_S_load): Add
1076 constant_evaluated case.
1077 * include/experimental/bits/simd_fixed_size.h
1078 (_S_masked_load): Reword comment.
1079 (__tuple_element_meta, __make_meta, _SimdTuple::_M_apply_r)
1080 (_SimdTuple::_M_subscript_read, _SimdTuple::_M_subscript_write)
1081 (__make_simd_tuple, __optimize_simd_tuple, __extract_part)
1082 (__autocvt_to_simd, _Fixed::__traits::_SimdBase)
1083 (_Fixed::__traits::_SimdCastType, _SimdImplFixedSize): Add
1085 (_SimdTuple::operator[], _M_set): Add constexpr and add
1086 constant_evaluated case.
1087 (_MaskImplFixedSize::_S_load): Add constant_evaluated case.
1088 * include/experimental/bits/simd_scalar.h: Add constexpr.
1089 * include/experimental/bits/simd_x86.h (_CommonImplX86): Add
1090 constexpr and add constant_evaluated case.
1091 (_SimdImplX86::_S_equal_to, _S_not_equal_to, _S_less)
1092 (_S_less_equal): Value-initialize to satisfy constexpr
1094 (_MaskImplX86::_S_load): Add constant_evaluated case.
1095 (_MaskImplX86::_S_store): Add constexpr and constant_evaluated
1096 case. Value-initialize local variables.
1097 (_MaskImplX86::_S_logical_and, _S_logical_or, _S_bit_not)
1098 (_S_bit_and, _S_bit_or, _S_bit_xor): Add constant_evaluated
1100 * testsuite/experimental/simd/pr109261_constexpr_simd.cc: New
1103 2023-05-22 Matthias Kretz <m.kretz@gsi.de>
1105 * include/experimental/bits/simd_builtin.h (_S_fpclassify): Move
1106 __infn into #ifdef'ed block.
1107 * testsuite/experimental/simd/tests/fpclassify.cc: Declare
1108 constants only when used.
1109 * testsuite/experimental/simd/tests/frexp.cc: Likewise.
1110 * testsuite/experimental/simd/tests/logarithm.cc: Likewise.
1111 * testsuite/experimental/simd/tests/trunc_ceil_floor.cc:
1113 * testsuite/experimental/simd/tests/ldexp_scalbn_scalbln_modf.cc:
1114 Move totest and expect1 into #ifdef'ed block.
1116 2023-05-19 Gerald Pfeifer <gerald@pfeifer.com>
1118 * doc/xml/manual/strings.xml: Move lafstern.org reference to https.
1119 * doc/html/manual/strings.html: Regenerate.
1121 2023-05-17 Jakub Jelinek <jakub@redhat.com>
1124 * testsuite/26_numerics/headers/cmath/constexpr_std_c++23.cc: New test.
1126 2023-05-17 Jakub Jelinek <jakub@redhat.com>
1129 * include/c_global/cmath (atan2, fmod, pow): Move
1130 __gnu_cxx::__promote_2 using templates after _Float{16,32,64,128} and
1131 __gnu_cxx::__bfloat16_t overloads.
1132 (copysign, fdim, fmax, fmin, hypot, nextafter, remainder, remquo):
1134 (fma): Move __gnu_cxx::__promote_3 using template after
1135 _Float{16,32,64,128} and __gnu_cxx::__bfloat16_t overloads.
1137 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
1139 * testsuite/18_support/headers/limits/synopsis.cc: Uncomment
1140 checks for float_round_style and float_denorm_style.
1142 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
1144 * include/bits/c++config: Add system_header pragma.
1146 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
1148 * include/std/expected (expected::and_then, expected::or_else)
1149 (expected::transform, expected::transform_error): Fix exception
1150 specifications as per LWG 3877.
1151 (expected<void, E>::and_then, expected<void, E>::transform):
1153 * testsuite/20_util/expected/lwg3877.cc: New test.
1155 2023-05-17 Ken Matsui <kmatsui@cs.washington.edu>
1157 * include/std/type_traits: Use __bool_constant instead of
1160 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
1162 * configure: Regenerate.
1164 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
1167 * acinclude.m4 (GLIBCXX_CHECK_ALIGNAS_CACHELINE): Define.
1168 * config.h.in: Regenerate.
1169 * configure: Regenerate.
1170 * configure.ac: Use GLIBCXX_CHECK_ALIGNAS_CACHELINE.
1171 * src/c++11/shared_ptr.cc (__gnu_internal::get_mutex): Do not
1172 align lock table if not supported. use __GCC_DESTRUCTIVE_SIZE
1173 instead of hardcoded 64.
1175 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
1177 * acinclude.m4 (GLIBCXX_USE_C99): Check for isblank in C++11
1178 mode and define _GLIBCXX_USE_C99_CTYPE. Check for <fenv.h>
1179 functions in C++11 mode and define _GLIBCXX_USE_C99_FENV.
1180 * config.h.in: Regenerate.
1181 * configure: Regenerate.
1182 * include/c_compatibility/fenv.h: Check _GLIBCXX_USE_C99_FENV
1183 instead of _GLIBCXX_USE_C99_FENV_TR1.
1184 * include/c_global/cfenv: Likewise.
1185 * include/c_global/cctype: Check _GLIBCXX_USE_C99_CTYPE instead
1186 of _GLIBCXX_USE_C99_CTYPE_TR1.
1188 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
1190 * acinclude.m4 (GLIBCXX_USE_C99): Check for <stdint.h> types in
1191 C++11 mode and define _GLIBCXX_USE_C99_STDINT. Check for
1192 <inttypes.h> features in C++11 mode and define
1193 _GLIBCXX_USE_C99_INTTYPES and _GLIBCXX_USE_C99_INTTYPES_WCHAR_T.
1194 * config.h.in: Regenerate.
1195 * configure: Regenerate.
1196 * doc/doxygen/user.cfg.in (PREDEFINED): Add new macros.
1197 * include/bits/chrono.h: Check _GLIBCXX_USE_C99_STDINT instead
1198 of _GLIBCXX_USE_C99_STDINT_TR1.
1199 * include/c_compatibility/inttypes.h: Check
1200 _GLIBCXX_USE_C99_INTTYPES and _GLIBCXX_USE_C99_INTTYPES_WCHAR_T
1201 instead of _GLIBCXX_USE_C99_INTTYPES_TR1 and
1202 _GLIBCXX_USE_C99_INTTYPES_WCHAR_T_TR1.
1203 * include/c_compatibility/stdatomic.h: Check
1204 _GLIBCXX_USE_C99_STDINT instead of _GLIBCXX_USE_C99_STDINT_TR1.
1205 * include/c_compatibility/stdint.h: Likewise.
1206 * include/c_global/cinttypes: Check _GLIBCXX_USE_C99_INTTYPES
1207 and _GLIBCXX_USE_C99_INTTYPES_WCHAR_T instead of
1208 _GLIBCXX_USE_C99_INTTYPES_TR1 and
1209 _GLIBCXX_USE_C99_INTTYPES_WCHAR_T_TR1.
1210 * include/c_global/cstdint: Check _GLIBCXX_USE_C99_STDINT
1211 instead of _GLIBCXX_USE_C99_STDINT_TR1.
1212 * include/std/atomic: Likewise.
1213 * src/c++11/cow-stdexcept.cc: Likewise.
1214 * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc:
1216 * testsuite/lib/libstdc++.exp (check_v3_target_cstdint):
1219 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
1221 * acinclude.m4 (GLIBCXX_USE_C99): Check for complex inverse trig
1222 functions in C++11 mode and define _GLIBCXX_USE_C99_COMPLEX_ARC.
1223 * config.h.in: Regenerate.
1224 * configure: Regenerate.
1225 * doc/doxygen/user.cfg.in (PREDEFINED): Add new macro.
1226 * include/std/complex: Check _GLIBCXX_USE_C99_COMPLEX_ARC
1227 instead of _GLIBCXX_USE_C99_COMPLEX_TR1.
1229 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
1231 * testsuite/ext/debug_allocator/check_deallocate_null.cc: Add
1232 assertion to ensure expected exception is throw.
1234 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
1236 * testsuite/libstdc++-prettyprinters/chrono.cc: Only test
1237 printer for chrono::zoned_time for cx11 ABI and tzdb effective
1240 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
1242 * acinclude.m4 (GLIBCXX_CHECK_PTHREAD_MUTEX_CLOCKLOCK): Define
1243 _GLIBCXX_USE_PTHREAD_MUTEX_CLOCKLOCK in terms of _GLIBCXX_TSAN.
1244 * configure: Regenerate.
1246 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
1248 * acinclude.m4 (GLIBCXX_CHECK_C99_TR1): Use a non-null pointer
1249 to check for nan, nanf, and nanl.
1250 * configure: Regenerate.
1252 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
1254 * include/bits/char_traits.h (char_traits<char16_t>): Do not
1255 depend on _GLIBCXX_USE_C99_STDINT_TR1.
1256 (char_traits<char32_t>): Likewise.
1257 * include/experimental/source_location: Likewise.
1259 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
1261 * include/std/atomic (atomic_int_least8_t, atomic_uint_least8_t)
1262 (atomic_int_least16_t, atomic_uint_least16_t)
1263 (atomic_int_least32_t, atomic_uint_least32_t)
1264 (atomic_int_least64_t, atomic_uint_least64_t)
1265 (atomic_int_fast16_t, atomic_uint_fast16_t)
1266 (atomic_int_fast32_t, atomic_uint_fast32_t)
1267 (atomic_int_fast64_t, atomic_uint_fast64_t)
1268 (atomic_intmax_t, atomic_uintmax_t): Define unconditionally.
1269 * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc: Adjust.
1271 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
1273 * include/bits/algorithmfwd.h (shuffle): Do not depend on
1274 _GLIBCXX_USE_C99_STDINT_TR1.
1275 * include/bits/ranges_algo.h (shuffle): Likewise.
1276 * include/bits/stl_algo.h (shuffle): Likewise.
1277 * include/ext/random: Likewise.
1278 * include/ext/throw_allocator.h (random_condition): Likewise.
1279 * include/std/random: Likewise.
1280 * src/c++11/cow-string-inst.cc: Likewise.
1281 * src/c++11/random.cc: Likewise.
1283 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
1285 * testsuite/experimental/feat-cxx14.cc: Remove dependency on
1286 _GLIBCXX_USE_C99_STDINT_TR1.
1288 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
1290 * testsuite/22_locale/locale/cons/unicode.cc: Remove dependency
1291 on _GLIBCXX_USE_C99_STDINT_TR1.
1293 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
1295 * testsuite/21_strings/basic_string_view/typedefs.cc: Remove
1296 dependency on _GLIBCXX_USE_C99_STDINT_TR1.
1297 * testsuite/experimental/string_view/typedefs.cc: Likewise.
1299 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
1301 * src/c++17/floating_from_chars.cc [USE_STRTOD_FOR_FROM_CHARS]
1302 (auto_locale, auto_ferounding): New class types.
1303 (from_chars_impl): Use auto_locale and auto_ferounding.
1305 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
1308 * include/std/chrono (hh_mm_ss::__fits): Remove variable
1310 (hh_mm_ss::__subseconds): Remove __fits from constraints.
1311 * testsuite/std/time/hh_mm_ss/109772.cc: New test.
1312 * testsuite/std/time/hh_mm_ss/1.cc: Adjust expected size for
1313 hh_mm_ss<duration<int, std::pico>>.
1315 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
1317 * config/abi/pre/gnu.ver: Export basic_string::_S_allocate.
1318 * include/bits/basic_ios.h: Add static assertion checking
1319 traits_type::value_type.
1320 * include/bits/basic_string.h: Likewise. Do not rebind
1321 allocator, and add static assertion checking its value_type.
1322 (basic_string::_Alloc_traits_impl): Remove class template.
1323 (basic_string::_S_allocate): New static member function.
1324 (basic_string::assign): Use _S_allocate.
1325 * include/bits/basic_string.tcc (basic_string::_M_create)
1326 (basic_string::reserve, basic_string::_M_replace): Likewise.
1327 * testsuite/21_strings/basic_string/requirements/explicit_instantiation/debug.cc:
1328 Disable for C++20 and later.
1329 * testsuite/21_strings/basic_string/requirements/explicit_instantiation/int.cc:
1332 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
1335 * include/bits/std_abs.h (abs(__float128)): Handle negative NaN
1336 and negative zero correctly.
1337 * testsuite/26_numerics/headers/cmath/109758.cc: New test.
1339 2023-05-10 François Dumont <fdumont@gcc.gnu.org>
1341 * include/bits/hashtable_policy.h
1342 (_NodeBuilder<>::_S_build): Use __node_ptr.
1343 (_ReuseOrAllocNode<>): Use __node_ptr in place of __node_type*.
1344 (_AllocNode<>): Likewise.
1345 (_Equality<>::_M_equal): Remove const_iterator usages. Only preserved
1346 to call std::is_permutation in the non-unique key implementation.
1347 * include/bits/hashtable.h (_Hashtable<>::_M_update_begin()): Capture
1349 (_Hashtable<>::_M_bucket_begin(size_type)): Implement implicitly inline.
1350 (_Hashtable<>::_M_insert_bucket_begin): Likewise.
1351 (_Hashtable<>::_M_remove_bucket_begin): Likewise.
1352 (_Hashtable<>::_M_compute_hash_code): Use __node_ptr rather than
1354 (_Hashtable<>::find): Likewise.
1355 (_Hashtable<>::_M_emplace): Likewise.
1356 (_Hashtable<>::_M_insert_unique): Likewise.
1358 2023-05-09 Jonathan Wakely <jwakely@redhat.com>
1360 * python/libstdcxx/v6/printers.py (StdChronoDurationPrinter):
1361 Print floating-point durations correctly.
1362 (StdChronoTimePointPrinter): Support printing only the value,
1363 not the type name. Uncomment handling for known clocks.
1364 (StdChronoZonedTimePrinter): Remove type names from output.
1365 (StdChronoCalendarPrinter): Fix hh_mm_ss member access.
1366 (StdChronoTimeZonePrinter): Add equals sign to output.
1367 * testsuite/libstdc++-prettyprinters/chrono.cc: New test.
1369 2023-05-05 Alexandre Oliva <oliva@adacore.com>
1371 * testsuite/20_util/from_chars/4.cc: Skip long double test06
1373 * testsuite/20_util/to_chars/long_double.cc: Xfail run on
1376 2023-05-04 Jonathan Wakely <jwakely@redhat.com>
1378 * doc/xml/manual/abi.xml (abi.versioning.history): Document
1379 libstdc++.so.6.0.32 and GLIBCXX_3.4.32 version.
1380 * doc/html/manual/abi.html: Regenerate.
1382 2023-05-04 Florian Weimer <fweimer@redhat.com>
1384 * doc/xml/manual/abi.xml (abi.versioning.history): Add
1385 GCC_7.0.0, GCC_9.0.0, GCC_11.0, GCC_12.0.0, GCC_13.0.0 for
1388 2023-05-03 Jakub Jelinek <jakub@redhat.com>
1390 * src/c++17/floating_from_chars.cc
1391 (_ZSt10from_charsPKcS0_RDF128_St12chars_format): New alias to
1392 _ZSt10from_charsPKcS0_Ru9__ieee128St12chars_format.
1393 * src/c++17/floating_to_chars.cc (_ZSt8to_charsPcS_DF128_): New alias to
1394 _ZSt8to_charsPcS_u9__ieee128.
1395 (_ZSt8to_charsPcS_DF128_St12chars_format): New alias to
1396 _ZSt8to_charsPcS_u9__ieee128St12chars_format.
1397 (_ZSt8to_charsPcS_DF128_St12chars_formati): New alias to
1398 _ZSt8to_charsPcS_u9__ieee128St12chars_formati.
1399 * config/abi/post/powerpc64le-linux-gnu/baseline_symbols.txt: Updated.
1401 2023-05-03 Jakub Jelinek <jakub@redhat.com>
1403 * configure.host (abi_baseline_pair): Use powerpc64le-linux-gnu
1404 rather than powerpc64-linux-gnu for powerpc64le*-linux*.
1405 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Remove
1406 _ZTI*DF128_, _ZTI*DF64x symbols and symbols in
1407 GLIBCXX_IEEE128_3.4.{29,30,31} and CXXABI_IEEE128_1.3.13 symbol
1409 * config/abi/post/powerpc64le-linux-gnu/baseline_symbols.txt: New
1412 2023-05-03 Kefu Chai <kefu.chai@scylladb.com>
1413 Jonathan Wakely <jwakely@redhat.com>
1416 * include/bits/basic_string.h (basic_string(Iter, Iter, Alloc)):
1417 Initialize _M_string_length.
1419 2023-05-02 Jakub Jelinek <jakub@redhat.com>
1421 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
1422 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
1423 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
1424 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
1425 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
1426 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1427 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
1428 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
1430 2023-05-02 Jakub Jelinek <jakub@redhat.com>
1433 * src/c++98/ios_init.cc: Add #pragma GCC diagnostic ignored for
1436 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
1438 * include/bits/random.h (gamma_distribution): Add to the right
1440 (discrete_distribution, piecewise_constant_distribution)
1441 (piecewise_linear_distribution): Create a new doxygen group and
1442 fix the incomplete doxygen comments.
1443 * include/bits/uniform_int_dist.h (uniform_int_distribution):
1444 Add to doxygen group.
1446 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
1448 * include/bits/uses_allocator.h: Add missing @file comment.
1449 * include/bits/regex.tcc: Remove stray doxygen comments.
1450 * include/experimental/memory_resource: Likewise.
1451 * include/std/bit: Tweak doxygen @cond comments.
1452 * include/std/expected: Likewise.
1453 * include/std/numbers: Likewise.
1455 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
1457 * doc/doxygen/user.cfg.in (STRIP_FROM_PATH): Remove prefixes
1460 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
1462 * include/bits/move.h: Simplify opening/closing namespace std.
1464 2023-04-28 Jakub Jelinek <jakub@redhat.com>
1467 * config/abi/pre/gnu.ver (GLIBCXX_3.4.32): Export
1468 _ZSt21ios_base_library_initv.
1469 * testsuite/util/testsuite_abi.cc (check_version): Add GLIBCXX_3.4.32
1470 symver and make it the latestp.
1471 * src/c++98/ios_init.cc (ios_base_library_init): New alias.
1472 * acinclude.m4 (libtool_VERSION): Change to 6:32:0.
1473 * include/std/iostream: If init_priority attribute is supported
1474 and _GLIBCXX_SYMVER_GNU, force undefined _ZSt21ios_base_library_initv
1475 symbol into the object.
1476 * configure: Regenerated.
1478 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
1480 * include/bits/mofunc_impl.h: Fix typo in doxygen comment.
1481 * include/std/format: Likewise.
1483 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
1485 * doc/doxygen/user.cfg.in (FORMULA_TRANSPARENT, DOT_FONTNAME)
1486 (DOT_FONTSIZE, DOT_TRANSPARENT): Remove obsolete options.
1488 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
1490 * doc/doxygen/user.cfg.in (SOURCE_BROWSER): Only set to YES for
1492 * include/bits/gslice_array.h (_DEFINE_VALARRAY_OPERATOR): Omit
1494 * include/bits/indirect_array.h (_DEFINE_VALARRAY_OPERATOR):
1496 * include/bits/mask_array.h (_DEFINE_VALARRAY_OPERATOR):
1498 * include/bits/slice_array.h (_DEFINE_VALARRAY_OPERATOR):
1500 * include/std/valarray (_DEFINE_VALARRAY_UNARY_OPERATOR)
1501 (_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT)
1502 (_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT)
1503 (_DEFINE_BINARY_OPERATOR): Likewise.
1505 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
1507 * include/bits/memory_resource.h: Improve doxygen comments.
1508 * include/std/memory_resource: Likewise.
1510 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
1513 * include/bits/basic_string.h: Improve doxygen comments.
1514 * include/bits/cow_string.h: Likewise.
1515 * include/bits/forward_list.h: Likewise.
1516 * include/bits/fs_dir.h: Likewise.
1517 * include/bits/fs_path.h: Likewise.
1518 * include/bits/quoted_string.h: Likewise.
1519 * include/bits/stl_bvector.h: Likewise.
1520 * include/bits/stl_map.h: Likewise.
1521 * include/bits/stl_multimap.h: Likewise.
1522 * include/bits/stl_multiset.h: Likewise.
1523 * include/bits/stl_set.h: Likewise.
1524 * include/bits/stl_vector.h: Likewise.
1525 * include/bits/unordered_map.h: Likewise.
1526 * include/bits/unordered_set.h: Likewise.
1527 * include/std/filesystem: Likewise.
1528 * include/std/iomanip: Likewise.
1530 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
1533 * src/c++11/random.cc (__throw_syserr): New function.
1534 (random_device::_M_init, random_device::_M_init_pretr1): Use new
1535 function for bad tokens.
1536 (random_device::_M_getval): Use new function for read errors.
1537 * testsuite/util/testsuite_random.h (random_device_available):
1538 Change catch handler to use std::system_error.
1540 2023-04-24 Patrick Palka <ppalka@redhat.com>
1542 * include/bits/max_size_type.h (__max_diff_type::operator>>=):
1543 Fix propagation of sign bit.
1544 * testsuite/std/ranges/iota/max_size_type.cc: Avoid using the
1545 non-standard 'signed typedef-name'. Add some compile-time tests
1546 for right-shifting a negative __max_diff_type value by more than
1549 2023-04-19 Patrick Palka <ppalka@redhat.com>
1550 Jonathan Wakely <jwakely@redhat.com>
1553 * include/bits/utility.h (_Nth_type): Conditionally define in
1554 terms of __type_pack_element if available.
1555 * testsuite/20_util/tuple/element_access/get_neg.cc: Prune
1556 additional errors from the new built-in.
1558 2023-04-19 Jonathan Wakely <jwakely@redhat.com>
1561 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
1564 * src/Makefile.am: Move globals_io.cc to here.
1565 * src/Makefile.in: Regenerate.
1566 * src/c++98/Makefile.am: Remove globals_io.cc from here.
1567 * src/c++98/Makefile.in: Regenerate.
1568 * src/c++98/globals_io.cc [_GLIBCXX_SYMVER_GNU] (cin): Adjust
1569 symbol name and then export with GLIBCXX_3.4.31 symver.
1570 (cout, cerr, clog, wcin, wcout, wcerr, wclog): Likewise.
1571 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt:
1573 * config/abi/post/i486-linux-gnu/baseline_symbols.txt:
1575 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt:
1577 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt:
1579 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt:
1581 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt:
1583 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt:
1585 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt:
1587 * config/abi/pre/gnu.ver: Add iostream objects to new symver.
1589 2023-04-19 Jonathan Wakely <jwakely@redhat.com>
1592 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
1595 * config/abi/pre/gnu.ver: Fix preprocessor condition.
1597 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
1599 * doc/xml/manual/extensions.xml: Fix example to declare and
1600 qualify std::free, and use NULL instead of 0.
1601 * doc/html/manual/ext_demangling.html: Regenerate.
1602 * libsupc++/cxxabi.h: Adjust doxygen comments.
1604 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
1607 * config/abi/pre/gnu.ver: Fix preprocessor condition.
1609 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
1612 * src/Makefile.am: Move globals_io.cc to here.
1613 * src/Makefile.in: Regenerate.
1614 * src/c++98/Makefile.am: Remove globals_io.cc from here.
1615 * src/c++98/Makefile.in: Regenerate.
1616 * src/c++98/globals_io.cc [_GLIBCXX_SYMVER_GNU] (cin): Adjust
1617 symbol name and then export with GLIBCXX_3.4.31 symver.
1618 (cout, cerr, clog, wcin, wcout, wcerr, wclog): Likewise.
1619 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt:
1621 * config/abi/post/i486-linux-gnu/baseline_symbols.txt:
1623 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt:
1625 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt:
1627 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt:
1629 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt:
1631 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt:
1633 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt:
1635 * config/abi/pre/gnu.ver: Add iostream objects to new symver.
1637 2023-04-18 Patrick Palka <ppalka@redhat.com>
1640 * include/bits/ranges_cmp.h (__cpp_lib_ranges): Bump value
1642 * include/std/ranges (range_adaptor_closure): Define for C++23.
1643 * include/std/version (__cpp_lib_ranges): Bump value for
1645 * testsuite/std/ranges/version_c++23.cc: Bump expected value
1646 of __cpp_lib_ranges.
1647 * testsuite/std/ranges/range_adaptor_closure.cc: New test.
1649 2023-04-18 Patrick Palka <ppalka@redhat.com>
1651 * include/bits/ranges_algo.h (__cpp_lib_ranges_contains):
1653 (__cpp_lib_ranges_iota): Likewise.
1654 (__cpp_lib_ranges_find_last): Likewise.
1655 (__cpp_lib_fold): Rename to ...
1656 (__cpp_lib_ranges_fold): ... this.
1657 * include/std/version: As above.
1658 * testsuite/25_algorithms/fold_left/1.cc: Adjust after
1659 renaming __cpp_lib_fold.
1660 * testsuite/std/ranges/version_c++23.cc: Verify values
1661 of the above feature-test macros.
1663 2023-04-18 Patrick Palka <ppalka@redhat.com>
1666 * include/std/ranges (views::_AsConst::operator()): Add
1667 missing const to constant_range test.
1668 * testsuite/std/ranges/adaptors/as_const/1.cc (test02):
1669 Improve formatting. Adjust expected type of v2.
1672 2023-04-14 Patrick Palka <ppalka@redhat.com>
1674 * include/bits/ranges_base.h (const_iterator_t): Define for C++23.
1675 (const_sentinel_t): Likewise.
1676 (range_const_reference_t): Likewise.
1677 (constant_range): Likewise.
1678 (__cust_access::__possibly_const_range): Likewise, replacing ...
1679 (__cust_access::__as_const): ... this.
1680 (__cust_access::_CBegin::operator()): Redefine for C++23 as per P2278R4.
1681 (__cust_access::_CEnd::operator()): Likewise.
1682 (__cust_access::_CRBegin::operator()): Likewise.
1683 (__cust_access::_CREnd::operator()): Likewise.
1684 (__cust_access::_CData::operator()): Likewise.
1685 * include/bits/ranges_util.h (ranges::__detail::__different_from):
1686 Make it an alias of std::__detail::__different_from.
1687 (view_interface::cbegin): Define for C++23.
1688 (view_interface::cend): Likewise.
1689 * include/bits/stl_iterator.h (__detail::__different_from): Define.
1690 (iter_const_reference_t): Define for C++23.
1691 (__detail::__constant_iterator): Likewise.
1692 (__detail::__is_const_iterator): Likewise.
1693 (__detail::__not_a_const_iterator): Likewise.
1694 (__detail::__iter_const_rvalue_reference_t): Likewise.
1695 (__detail::__basic_const_iter_cat):: Likewise.
1696 (const_iterator): Likewise.
1697 (__detail::__const_sentinel): Likewise.
1698 (const_sentinel): Likewise.
1699 (basic_const_iterator): Likewise.
1700 (common_type<basic_const_iterator<_Tp>, _Up>): Likewise.
1701 (common_type<_Up, basic_const_iterator<_Tp>>): Likewise.
1702 (common_type<basic_const_iterator<_Tp>, basic_const_iterator<Up>>):
1704 (make_const_iterator): Define for C++23.
1705 (make_const_sentinel): Likewise.
1706 * include/std/ranges (__cpp_lib_ranges_as_const): Likewise.
1707 (as_const_view): Likewise.
1708 (enable_borrowed_range<as_const_view>): Likewise.
1709 (views::__detail::__is_ref_view): Likewise.
1710 (views::__detail::__can_is_const_view): Likewise.
1711 (views::_AsConst, views::as_const): Likewise.
1712 * include/std/span (span::const_iterator): Likewise.
1713 (span::const_reverse_iterator): Likewise.
1714 (span::cbegin): Likewise.
1715 (span::cend): Likewise.
1716 (span::crbegin): Likewise.
1717 (span::crend): Likewise.
1718 * include/std/version (__cpp_lib_ranges_as_const): Likewise.
1719 * testsuite/std/ranges/adaptors/join.cc (test06): Adjust to
1720 behave independently of C++20 vs C++23.
1721 * testsuite/std/ranges/version_c++23.cc: Verify value of
1722 __cpp_lib_ranges_as_const macro.
1723 * testsuite/24_iterators/const_iterator/1.cc: New test.
1724 * testsuite/std/ranges/adaptors/as_const/1.cc: New test.
1726 2023-04-14 Patrick Palka <ppalka@redhat.com>
1728 * include/bits/ranges_base.h (__cust_access::__as_const)
1729 (__cust_access::_CBegin, __cust::cbegin)
1730 (__cust_access::_CEnd, __cust::cend)
1731 (__cust_access::_CRBegin, __cust::crbegin)
1732 (__cust_access::_CREnd, __cust::crend)
1733 (__cust_access::_CData, __cust::cdata): Move down definitions to
1734 shortly after the definition of input_range.
1736 2023-04-14 Patrick Palka <ppalka@redhat.com>
1738 * include/bits/ranges_algo.h: Include <optional> for C++23.
1739 (__cpp_lib_fold): Define for C++23.
1740 (in_value_result): Likewise.
1741 (__detail::__flipped): Likewise.
1742 (__detail::__indirectly_binary_left_foldable_impl): Likewise.
1743 (__detail::__indirectly_binary_left_foldable): Likewise.
1744 (___detail:__indirectly_binary_right_foldable): Likewise.
1745 (fold_left_with_iter_result): Likewise.
1746 (__fold_left_with_iter_fn, fold_left_with_iter): Likewise.
1747 (__fold_left_fn, fold_left): Likewise.
1748 (__fold_left_first_with_iter_fn, fold_left_first_with_iter):
1750 (__fold_left_first_fn, fold_left_first): Likewise.
1751 (__fold_right_fn, fold_right): Likewise.
1752 (__fold_right_last_fn, fold_right_last): Likewise.
1753 * include/std/version (__cpp_lib_fold): Likewise.
1754 * testsuite/25_algorithms/fold_left/1.cc: New test.
1755 * testsuite/25_algorithms/fold_right/1.cc: New test.
1757 2023-04-14 Jonathan Wakely <jwakely@redhat.com>
1759 * include/std/format (formatter): Add comment to deleted default
1760 constructor of primary template.
1761 (_Checking_scanner): Add static_assert.
1763 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
1765 * doc/xml/manual/using.xml: Document libstdc++exp.a library.
1766 * doc/html/*: Regenerate.
1768 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
1770 * testsuite/17_intro/names.cc [_AIX]: Do not define policy.
1771 * testsuite/19_diagnostics/error_code/cons/lwg3629.cc: Rename
1772 namespace to avoid clashing with libc struct.
1773 * testsuite/19_diagnostics/error_condition/cons/lwg3629.cc:
1775 * testsuite/23_containers/unordered_map/96088.cc: Skip on AIX.
1776 * testsuite/23_containers/unordered_multimap/96088.cc: Likewise.
1777 * testsuite/23_containers/unordered_multiset/96088.cc: Likewise.
1778 * testsuite/23_containers/unordered_set/96088.cc: Likewise.
1779 * testsuite/experimental/synchronized_value.cc: Require gthreads
1780 and add missing option for pthreads targets.
1782 2023-04-12 Patrick Palka <ppalka@redhat.com>
1784 * include/std/ranges (__cpp_lib_ranges_enumerate): Define
1786 (__detail::__range_with_movable_reference): Likewise.
1787 (enumerate_view): Likewise.
1788 (enumerate_view::_Iterator): Likewise.
1789 (enumerate_view::_Sentinel): Likewise.
1790 (views::__detail::__can_enumerate_view): Likewise.
1791 (views::_Enumerate, views::enumerate): Likewise.
1792 * include/std/version (__cpp_lib_ranges_enumerate): Likewise.
1793 * testsuite/std/ranges/version_c++23.cc: Verify value of
1794 __cpp_lib_ranges_enumerate.
1795 * testsuite/std/ranges/adaptors/enumerate/1.cc: New test.
1797 2023-04-12 Patrick Palka <ppalka@redhat.com>
1799 * include/std/ranges (lazy_split_view::_OuterIter::_OuterIter):
1800 Propagate _M_trailing_empty in the const-converting constructor
1802 * testsuite/std/ranges/adaptors/adjacent/1.cc (test04): Correct
1804 * testsuite/std/ranges/adaptors/lazy_split.cc (test12): New test.
1806 2023-04-12 Patrick Palka <ppalka@redhat.com>
1808 * src/c++17/floating_from_chars.cc: Include <algorithm>,
1809 <iterator>, <limits> and <cstdint>.
1811 2023-04-12 Patrick Palka <ppalka@redhat.com>
1814 * include/std/ranges (chunk_by_view::_M_find_next): Generalize
1815 parameter types of the lambda wrapper passed to adjacent_find.
1816 (chunk_by_view::_M_find_prev): Likewise.
1817 * testsuite/std/ranges/adaptors/chunk_by/1.cc (test04, test05):
1820 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
1823 * include/experimental/internet (basic_endpoint::basic_endpoint()):
1824 Ensure that the required union members are active. Only define
1825 as constexpr for C++20 and later.
1826 (basic_endpoint::basic_endpoint(const protocol_type&, port_type)):
1828 * testsuite/experimental/net/internet/endpoint/cons.cc: Only
1829 check constexpr default constructor for C++20 and later.
1830 * testsuite/experimental/net/internet/endpoint/extensible.cc:
1833 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
1835 * src/c++20/tzdata.zi: Import new file from 2023c release.
1837 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
1839 * include/precompiled/stdc++.h (C++17): Don't double-include
1840 <charconv>, once with wrong conditions.
1841 * testsuite/18_support/96817.cc: Require hosted.
1842 * testsuite/18_support/bad_exception/59392.cc: Ditto.
1843 * testsuite/20_util/scoped_allocator/108952.cc: Ditto.
1844 * testsuite/20_util/uses_allocator/lwg3527.cc: Ditto.
1845 * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
1848 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
1850 * include/bits/c++config: When __STDC_HOSTED__ is zero,
1851 disable _GLIBCXX_DEBUG and, if it was set, enable
1852 _GLIBCXX_ASSERTIONS.
1853 * testsuite/lib/libstdc++.exp (check_v3_target_debug_mode):
1854 Include <bits/c++config.h> when determining whether debug is
1855 set, in order to inherit the logic from above
1857 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
1859 * testsuite/17_intro/versionconflict.cc: New test.
1860 * include/std/version: Allow disabling the system_header pragma
1861 via _GLIBCXX_TESTING_SYSHDR.
1863 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
1865 * include/bits/unique_ptr.h (__cpp_lib_constexpr_memory):
1866 Synchronize the definition block with...
1867 * include/bits/ptr_traits.h (__cpp_lib_constexpr_memory):
1868 ... this one here. Also define the 202202L value, rather than
1869 leaving it up to purely unique_ptr.h, so that the value is
1870 synchronized across all headers.
1871 (__gnu_debug::_Safe_iterator_base): Move into new conditional
1873 * include/std/memory (__cpp_lib_atomic_value_initialization):
1874 Define on freestanding under the same conditions as in
1876 * include/std/version (__cpp_lib_robust_nonmodifying_seq_ops):
1877 Also define on freestanding.
1878 (__cpp_lib_to_chars): Ditto.
1879 (__cpp_lib_gcd): Ditto.
1880 (__cpp_lib_gcd_lcm): Ditto.
1881 (__cpp_lib_raw_memory_algorithms): Ditto.
1882 (__cpp_lib_array_constexpr): Ditto.
1883 (__cpp_lib_nonmember_container_access): Ditto.
1884 (__cpp_lib_clamp): Ditto.
1885 (__cpp_lib_constexpr_char_traits): Ditto.
1886 (__cpp_lib_constexpr_string): Ditto.
1887 (__cpp_lib_sample): Ditto.
1888 (__cpp_lib_lcm): Ditto.
1889 (__cpp_lib_constexpr_iterator): Ditto.
1890 (__cpp_lib_constexpr_char_traits): Ditto.
1891 (__cpp_lib_interpolate): Ditto.
1892 (__cpp_lib_constexpr_utility): Ditto.
1893 (__cpp_lib_shift): Ditto.
1894 (__cpp_lib_ranges): Ditto.
1895 (__cpp_lib_move_iterator_concept): Ditto.
1896 (__cpp_lib_constexpr_numeric): Ditto.
1897 (__cpp_lib_constexpr_functional): Ditto.
1898 (__cpp_lib_constexpr_algorithms): Ditto.
1899 (__cpp_lib_constexpr_tuple): Ditto.
1900 (__cpp_lib_constexpr_memory): Ditto.
1902 2023-04-05 John David Anglin <danglin@gcc.gnu.org>
1904 * testsuite/22_locale/locale/cons/12658_thread-2.cc: Double
1905 timeout factor on hppa*-*-*.
1907 2023-04-05 Jonathan Wakely <jwakely@redhat.com>
1909 * include/bits/regex.h (sub_match::swap): New function.
1910 * testsuite/28_regex/sub_match/lwg3204.cc: New test.
1912 2023-04-04 Jonathan Wakely <jwakely@redhat.com>
1914 * doc/xml/manual/extensions.xml: Remove std::bad_exception from
1916 * doc/html/manual/ext_demangling.html: Regenerate.
1918 2023-03-31 Jonathan Wakely <jwakely@redhat.com>
1920 PR tree-optimization/107087
1921 * include/bits/cow_string.h (basic_string::size()): Add
1922 optimizer hint that _S_empty_rep()._M_length is always zero.
1923 (basic_string::length()): Call size().
1925 2023-03-31 Jonathan Wakely <jwakely@redhat.com>
1928 * include/std/stop_token (_Stop_state_ptr(const stop_source&)):
1929 Add attribute access with access-mode 'none'.
1930 * testsuite/30_threads/stop_token/stop_source/109339.cc: New test.
1932 2023-03-31 Jonathan Wakely <jwakely@redhat.com>
1934 * include/experimental/internet (ip::basic_endpoint::_M_if_v6):
1935 Revert change from member function to data member. Fix for
1936 constant evaluation by detecting which union member is active.
1937 (ip::basic_endpoint::resize): Revert changes to update _M_is_v6
1940 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
1943 * testsuite/20_util/optional/monadic/pr109340.cc: Moved to...
1944 * testsuite/20_util/optional/monadic/pr109242.cc: ...here.
1946 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
1948 * include/experimental/internet (ip::make_address): Implement
1950 (ip::address_v4::broadcast()): Avoid undefined shift.
1951 (ip::basic_endpoint): Fix member functions for constexpr.
1952 (ip::basic_endpoint::_M_is_v6): Replace member function with
1953 data member, adjust member functions using it.
1954 (ip::basic_endpoint::resize): Update _M_is_v6 based on sockaddr
1956 * testsuite/experimental/net/internet/address/v4/cons.cc: Fix
1957 constexpr checks to work in C++14.
1958 * testsuite/experimental/net/internet/address/v4/creation.cc:
1960 * testsuite/experimental/net/internet/endpoint/cons.cc:
1962 * testsuite/experimental/net/internet/network/v4/cons.cc:
1964 * testsuite/experimental/net/internet/network/v4/members.cc:
1966 * testsuite/experimental/net/internet/endpoint/extensible.cc: New test.
1968 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
1970 * include/std/expected (expected::value() &): Use const lvalue
1971 for unex member passed to bad_expected_access constructor, as
1974 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
1977 * include/std/expected (expected::transform): Use
1978 std::remove_cv_t instead of std::remove_cvref_t.
1979 (expected::transform_error): Likewise.
1980 (expected<cv void, E>::transform): Likewise.
1981 (expected<cv void, E>::transform_error): Likewise.
1982 * include/std/optional (transform): Use std::remove_cv_t.
1983 * testsuite/20_util/optional/monadic/pr109340.cc: New test.
1985 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
1987 * include/std/optional (optional): Adjust static assertion to
1988 reject arrays and functions as well as references.
1989 * testsuite/20_util/optional/requirements_neg.cc: New test.
1991 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
1994 * include/bits/istream.tcc (istream::_M_extract(ValueT&)): Use
1995 std::use_facet instead of cached _M_num_get facet.
1996 (istream::operator>>(short&)): Likewise.
1997 (istream::operator>>(int&)): Likewise.
1998 * include/bits/ostream.tcc (ostream::_M_insert(ValueT)): Use
1999 std::use_facet instead of cached _M_num_put facet.
2001 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
2003 * include/bits/char_traits.h (char_traits::copy): Return without
2004 using memcpy if n==0.
2005 (char_traits::assign): Likewise for memset.
2007 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
2010 * include/bits/basic_string.h (basic_string::_M_is_local()): Add
2011 hint for compiler that local strings fit in the local buffer.
2013 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
2016 * include/std/chrono (__detail::__get_leap_second_info): Update
2017 expiry date of hardcoded leapseconds list.
2018 * src/c++20/tzdb.cc (tzdb_list::_Node::_S_read_leap_seconds()):
2020 * src/c++20/tzdata.zi: Import new file from 2023a release.
2021 * testsuite/std/time/time_zone/get_info_local.cc: Only check
2022 transitions for Egypt up to 2014.
2024 2023-03-28 Matthias Kretz <m.kretz@gsi.de>
2026 * include/experimental/bits/simd.h (is_simd_flag_type): New.
2027 (_IsSimdFlagType): New.
2028 (copy_from, copy_to, load ctors): Constrain _Flags using
2031 2023-03-28 Matthias Kretz <m.kretz@gsi.de>
2033 * include/experimental/bits/simd_x86.h (_SimdImplX86): Use
2034 _Base::_S_divides if the optimized _S_divides function is hidden
2035 via the preprocessor.
2037 2023-03-27 Jakub Jelinek <jakub@redhat.com>
2039 * testsuite/experimental/net/timer/waitable/dest.cc: Avoid -Wformat
2040 warning if size_t is not unsigned long.
2042 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
2044 * include/bits/shared_ptr_atomic.h (atomic::operator=(nullptr_t)):
2045 Add overload, as per LWG 3893.
2046 * testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc:
2047 Check assignment from nullptr.
2049 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
2051 * include/std/format (formatter<const charT[N], charT>): Do not
2052 define partial speclialization, as per LWG 3833.
2053 * testsuite/std/format/formatter/requirements.cc: Check it.
2055 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
2057 * include/std/utility (__cpp_lib_constexpr_algorithms): Define,
2059 * testsuite/20_util/exchange/constexpr.cc: Check for it.
2061 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
2063 * include/std/version (__cpp_lib_format): Define.
2064 * testsuite/std/format/functions/format.cc: Check it.
2066 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
2068 * include/bits/basic_string.tcc (basic_string::resize_and_overwrite):
2069 Pass rvalues to the callback, as now allowed by LWG 3645.
2070 Enforce preconditions on the return value.
2071 * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
2074 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
2076 * include/std/format: Add a comment noting that the resolution
2077 of LWG 3720 has been applied..
2079 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
2081 * include/bits/regex.h (match_results): Add allocator-extended
2082 copy and move constructors, as per LWG 2195.
2083 * testsuite/28_regex/match_results/ctors/char/alloc.cc: New test.
2085 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
2087 * include/bits/stream_iterator.h (istream_iterator): Add
2088 constexpr to copy constructor, as per LWG 3600.
2089 * testsuite/24_iterators/istream_iterator/cons/constexpr.cc:
2090 Check copy construction.
2092 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
2094 * include/experimental/bits/simd_x86.h
2095 (_SimdImplX86::_S_divides): Replace test for __GCC_IEC_559 == 0
2096 with __RECIPROCAL_MATH__.
2098 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
2100 * include/experimental/bits/simd_detail.h: Don't define
2101 _GLIBCXX_SIMD_WORKAROUND_PR90993 for Clang.
2102 * include/experimental/bits/simd_x86.h (_S_divides): Remove
2103 check for __clang__.
2105 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
2107 * include/experimental/bits/simd_detail.h: Don't declare the
2108 simd API as constexpr with Clang.
2109 * include/experimental/bits/simd_x86.h (__movm): New.
2110 (_S_blend_avx512): Resolve FIXME. Implement blend using __movm
2112 (_SimdImplX86::_S_masked_unary): Clang does not implement the
2113 same builtins. Implement the function using __movm, ?:, and -
2114 operators on vector_size types instead.
2116 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
2118 * testsuite/experimental/simd/tests/operators.cc: Clang doesn't
2119 define __GCC_IEC_559. Use __STDC_IEC_559__ instead.
2121 2023-03-20 Jonathan Wakely <jwakely@redhat.com>
2123 * src/filesystem/ops-common.h (get_temp_directory_from_env): Fix
2126 2023-03-20 Marek Polacek <polacek@redhat.com>
2129 * testsuite/20_util/pair/cons/explicit_construct.cc: Adjust dg-error.
2130 * testsuite/20_util/tuple/cons/explicit_construct.cc: Likewise.
2131 * testsuite/23_containers/span/explicit.cc: Likewise.
2133 2023-03-20 Jonathan Wakely <jwakely@redhat.com>
2136 * include/std/expected (expected<void>::expected(in_place_t)):
2137 Remove template-head.
2139 2023-03-18 Jonathan Wakely <jwakely@redhat.com>
2142 * testsuite/18_support/coroutines/hash.cc: Use const object
2145 2023-03-17 Jonathan Wakely <jwakely@redhat.com>
2148 * include/std/coroutine (hash<>::operator()): Add const.
2149 * testsuite/18_support/coroutines/hash.cc: New test.
2151 2023-03-14 Patrick Palka <ppalka@redhat.com>
2154 * include/std/ranges (repeat_view): Remove redundant parentheses
2156 (repeat_view::_Iterator): Correct the requires-clause.
2158 2023-03-14 Patrick Palka <ppalka@redhat.com>
2160 * include/bits/stl_iterator.h (move_iterator::_S_iter_concept):
2162 (__cpp_lib_move_iterator_concept): Define for C++20.
2163 (move_iterator::iterator_concept): Strengthen as per P2520R0.
2164 * include/std/version (__cpp_lib_move_iterator_concept): Define
2166 * testsuite/24_iterators/move_iterator/p2520r0.cc: New test.
2168 2023-03-14 Patrick Palka <ppalka@redhat.com>
2170 * include/bits/ranges_util.h (view_interface::empty): Add
2171 preferred overloads that use ranges::size when the range is
2172 sized as per LWG 3715.
2173 * testsuite/std/ranges/adaptors/lwg3715.cc: New test.
2175 2023-03-14 Jonathan Wakely <jwakely@redhat.com>
2177 * include/bits/chrono.h (__is_duration_v, __is_time_point_v):
2178 Only define for C++17 and later.
2180 2023-03-14 Jonathan Wakely <jwakely@redhat.com>
2182 * src/Makefile.am: Add comment about linker script fragments.
2183 * src/Makefile.in: Regenerate.
2185 2023-03-14 Jonathan Wakely <jwakely@redhat.com>
2188 * include/bits/mask_array.h (mask_array): Add assertions to
2189 assignment operators.
2190 * include/std/valarray (valarray::operator[](valarray<bool>)):
2192 * testsuite/26_numerics/valarray/mask-1_neg.cc: New test.
2193 * testsuite/26_numerics/valarray/mask-2_neg.cc: New test.
2194 * testsuite/26_numerics/valarray/mask-3_neg.cc: New test.
2195 * testsuite/26_numerics/valarray/mask-4_neg.cc: New test.
2196 * testsuite/26_numerics/valarray/mask-5_neg.cc: New test.
2197 * testsuite/26_numerics/valarray/mask-6_neg.cc: New test.
2198 * testsuite/26_numerics/valarray/mask-7_neg.cc: New test.
2199 * testsuite/26_numerics/valarray/mask-8_neg.cc: New test.
2200 * testsuite/26_numerics/valarray/mask.cc: New test.
2202 2023-03-13 Jakub Jelinek <jakub@redhat.com>
2204 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
2205 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
2207 2023-03-13 Jonathan Wakely <jwakely@redhat.com>
2209 * doc/Makefile.am: Add comment referring to documentation.
2210 * doc/Makefile.in: Regenerate.
2212 2023-03-13 Jonathan Wakely <jwakely@redhat.com>
2214 * doc/html/*: Regenerate.
2216 2023-03-13 Jonny Grant <jg@jguk.org>
2218 * doc/xml/faq.xml: Update copyright year.
2220 2023-03-13 Jonathan Wakely <jwakely@redhat.com>
2222 * include/bits/allocator.h: Fix typo in comment.
2224 2023-03-12 Jakub Jelinek <jakub@redhat.com>
2226 * config/abi/pre/gnu.ver (CXXABI_1.3.14): Also export __bf16 tinfos
2227 if it isn't mangled as DF16b but u6__bf16.
2229 2023-03-12 Gerald Pfeifer <gerald@pfeifer.com>
2231 * doc/xml/manual/documentation_hacking.xml: Move www.graphviz.org
2233 * doc/html/manual/documentation_hacking.html: Regenerate.
2235 2023-03-10 Jonathan Wakely <jwakely@redhat.com>
2238 * python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker):
2239 Remove self-recursion in __init__. Add missing _supports.
2240 * testsuite/libstdc++-xmethods/shared_ptr.cc: Check use_count()
2243 2023-03-09 Patrick Palka <ppalka@redhat.com>
2245 * include/std/ranges
2246 (cartesian_product_view::_Iterator::_Iterator): Remove
2247 constraint on default constructor as per LWG 3849.
2248 (cartesian_product_view::_Iterator::_M_prev): Adjust position
2249 of _Nm > 0 test as per LWG 3820.
2250 (cartesian_product_view::_Iterator::_M_advance): Perform bounds
2251 checking only on sized cartesian products.
2252 * testsuite/std/ranges/cartesian_product/1.cc (test08): New test.
2254 2023-03-09 Patrick Palka <ppalka@redhat.com>
2257 * include/std/ranges (chunk_by_view::_M_pred): Remove DMI as per
2259 (repeat_view::_M_pred): Likewise.
2260 * testsuite/std/ranges/adaptors/chunk_by/1.cc (test03): New test.
2261 * testsuite/std/ranges/repeat/1.cc (test05): New test.
2263 2023-03-09 Patrick Palka <ppalka@redhat.com>
2266 * include/std/ranges (__detail::__can_single_view): New concept.
2267 (_Single::operator()): Constrain it. Move [[nodiscard]] to the
2268 end of the function declarator.
2269 (__detail::__can_iota_view): New concept.
2270 (_Iota::operator()): Constrain it. Move [[nodiscard]] to the
2271 end of the function declarator.
2272 (__detail::__can_istream_view): New concept.
2273 (_Istream::operator()): Constrain it. Move [[nodiscard]] to the
2274 end of the function declarator.
2275 * testsuite/std/ranges/iota/iota_view.cc (test07): New test.
2276 * testsuite/std/ranges/istream_view.cc (test08): New test.
2277 * testsuite/std/ranges/single_view.cc (test07): New test.
2279 2023-03-09 Patrick Palka <ppalka@redhat.com>
2282 * include/std/ranges (cartesian_product_view::end): When
2283 building the tuple of iterators, avoid calling ranges::begin on
2284 the first range if __empty_tail is false.
2285 * testsuite/std/ranges/cartesian_product/1.cc (test07): New test.
2287 2023-03-09 Jonathan Wakely <jwakely@redhat.com>
2290 * config/os/gnu-linux/ldbl-ieee128-extra.ver: Fix incorrect
2293 2023-03-07 Jakub Jelinek <jakub@redhat.com>
2295 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2296 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
2297 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
2298 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
2299 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
2301 2023-03-07 Jonathan Wakely <jwakely@redhat.com>
2304 * config/abi/pre/gnu.ver (GLIBCXX_3.4.31): Adjust patterns to
2305 not match symbols in namespace std::__gnu_cxx11_ieee128.
2306 * config/os/gnu-linux/ldbl-ieee128-extra.ver: Add patterns for
2307 std::__gnu_cxx11_ieee128::money_{get,put}.
2309 2023-03-07 Jonathan Wakely <jwakely@redhat.com>
2311 * libsupc++/eh_personality.cc: Fix spelling in comment.
2313 2023-03-03 Alexandre Oliva <oliva@adacore.com>
2315 * testsuite/30_threads/async/async.cc (test04): Initialize
2316 steady_start, renamed from steady_begin, next to slow_start.
2317 Increase tolerance for final wait.
2319 2023-03-03 Alexandre Oliva <oliva@adacore.com>
2321 * testsuite/libstdc++-prettyprinters/80276.cc: Add
2322 std::string to debug info.
2323 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
2325 2023-03-03 Alexandre Oliva <oliva@adacore.com>
2330 * include/bits/std_thread.h (thread::_M_thread_deps): New
2331 static implicitly-inline member function.
2332 (std::thread template ctor): Pass it to _M_start_thread.
2333 * src/c++11/thread.cc (thread::_M_start_thread): Name depend
2334 parameter, force it live on entry.
2336 2023-03-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2338 * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
2339 * config/abi/post/i386-solaris/amd64/baseline_symbols.txt:
2341 * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
2342 * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
2345 2023-03-01 Jonathan Wakely <jwakely@redhat.com>
2347 * include/bits/cow_string.h: Fix typo in comment.
2349 2023-03-01 Jonathan Wakely <jwakely@redhat.com>
2351 * src/c++20/tzdb.cc (chrono::tzdb::current_zone()) Use "UTC" if
2352 current time zone cannot be determined.
2353 * testsuite/std/time/tzdb/1.cc: Remove conditions based on
2354 HAVE_TZDB macro and test all members unconditionally.
2356 2023-02-28 Jonathan Wakely <jwakely@redhat.com>
2359 * include/bits/uses_allocator_args.h
2360 (uses_allocator_construction_args): Implement LWG 3527.
2361 * testsuite/20_util/pair/astuple/get-2.cc: New test.
2362 * testsuite/20_util/scoped_allocator/108952.cc: New test.
2363 * testsuite/20_util/uses_allocator/lwg3527.cc: New test.
2365 2023-02-28 Jonathan Wakely <jwakely@redhat.com>
2368 * include/bits/stl_algobase.h (__copy_move<false, false, RA>)
2369 Add __assign_one static member function.
2370 (__copy_move<true, false, RA>): Likewise.
2371 (__copy_move<IsMove, true, RA>): Do not use memmove for a single
2373 (__copy_move_backward<IsMove, true, RA>): Likewise.
2374 * testsuite/25_algorithms/copy/108846.cc: New test.
2375 * testsuite/25_algorithms/copy_backward/108846.cc: New test.
2376 * testsuite/25_algorithms/copy_n/108846.cc: New test.
2377 * testsuite/25_algorithms/move/108846.cc: New test.
2378 * testsuite/25_algorithms/move_backward/108846.cc: New test.
2380 2023-02-28 Jonathan Wakely <jwakely@redhat.com>
2382 * src/c++11/codecvt.cc: Add [[likely]] and [[unlikely]]
2385 2023-02-27 Jonathan Wakely <jwakely@redhat.com>
2387 * include/bits/basic_ios.h (basic_ios::_M_setstate): Add
2389 * include/bits/basic_string.h (resize_and_overwrite): Add
2392 2023-02-24 Matthias Kretz <m.kretz@gsi.de>
2394 * include/experimental/bits/simd.h: Line breaks and indenting
2395 fixed to follow the libstdc++ standard.
2396 * include/experimental/bits/simd_builtin.h: Likewise.
2397 * include/experimental/bits/simd_fixed_size.h: Likewise.
2398 * include/experimental/bits/simd_neon.h: Likewise.
2399 * include/experimental/bits/simd_ppc.h: Likewise.
2400 * include/experimental/bits/simd_scalar.h: Likewise.
2401 * include/experimental/bits/simd_x86.h: Likewise.
2403 2023-02-24 Matthias Kretz <m.kretz@gsi.de>
2406 * include/experimental/bits/simd_fixed_size.h
2407 (_SimdImplFixedSize::_S_broadcast): Replace inline with
2408 _GLIBCXX_SIMD_INTRINSIC.
2409 (_SimdImplFixedSize::_S_generate): Likewise.
2410 (_SimdImplFixedSize::_S_load): Likewise.
2411 (_SimdImplFixedSize::_S_masked_load): Likewise.
2412 (_SimdImplFixedSize::_S_store): Likewise.
2413 (_SimdImplFixedSize::_S_masked_store): Likewise.
2414 (_SimdImplFixedSize::_S_min): Likewise.
2415 (_SimdImplFixedSize::_S_max): Likewise.
2416 (_SimdImplFixedSize::_S_complement): Likewise.
2417 (_SimdImplFixedSize::_S_unary_minus): Likewise.
2418 (_SimdImplFixedSize::_S_plus): Likewise.
2419 (_SimdImplFixedSize::_S_minus): Likewise.
2420 (_SimdImplFixedSize::_S_multiplies): Likewise.
2421 (_SimdImplFixedSize::_S_divides): Likewise.
2422 (_SimdImplFixedSize::_S_modulus): Likewise.
2423 (_SimdImplFixedSize::_S_bit_and): Likewise.
2424 (_SimdImplFixedSize::_S_bit_or): Likewise.
2425 (_SimdImplFixedSize::_S_bit_xor): Likewise.
2426 (_SimdImplFixedSize::_S_bit_shift_left): Likewise.
2427 (_SimdImplFixedSize::_S_bit_shift_right): Likewise.
2428 (_SimdImplFixedSize::_S_remquo): Add inline keyword (to be
2429 explicit about not always-inline, yet).
2430 (_SimdImplFixedSize::_S_isinf): Likewise.
2431 (_SimdImplFixedSize::_S_isfinite): Likewise.
2432 (_SimdImplFixedSize::_S_isnan): Likewise.
2433 (_SimdImplFixedSize::_S_isnormal): Likewise.
2434 (_SimdImplFixedSize::_S_signbit): Likewise.
2436 2023-02-24 Matthias Kretz <m.kretz@gsi.de>
2439 * include/experimental/bits/simd_builtin.h
2440 (_SimdImplBuiltin::_S_masked_unary): More efficient
2441 implementation of masked inc-/decrement for integers and floats
2443 * include/experimental/bits/simd_x86.h
2444 (_SimdImplX86::_S_masked_unary): New. Use AVX512 masked subtract
2445 builtins for masked inc-/decrement.
2447 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
2449 * include/experimental/executor (executor): Constrain template
2452 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
2454 * include/experimental/internet (basic_endpoint): Add missing
2455 constexpr to comparison operators.
2456 * testsuite/experimental/net/internet/endpoint/cons.cc: New test.
2458 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
2460 * include/experimental/internet (network_v4::netmask()): Avoid
2462 (network_v4::broadcast()): Optimize and fix for targets with
2463 uint_least32_t wider than 32 bits.
2464 (network_v4::to_string(const Allocator&)): Fix for custom
2465 allocators and optimize using to_chars.
2466 (operator==(const network_v4&, const network_v4&)): Add missing
2468 (operator==(const network_v6&, const network_v6&)): Likewise.
2469 * testsuite/experimental/net/internet/network/v4/cons.cc: New test.
2470 * testsuite/experimental/net/internet/network/v4/members.cc: New test.
2472 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
2474 * include/experimental/internet (address_4(const bytes_type&)):
2475 Use __builtin_bit_cast if available, otherwise convert to
2477 (address_v4::to_bytes()): Likewise, but convert from network
2479 * testsuite/experimental/net/internet/address/v4/cons.cc: Fix
2480 incorrect tests. Check for constexpr too.
2481 * testsuite/experimental/net/internet/address/v4/creation.cc:
2483 * testsuite/experimental/net/internet/address/v4/members.cc:
2484 Check that bytes_type is a standard-layout type.
2486 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
2488 * include/experimental/internet (address_v4::to_string):
2490 * testsuite/experimental/net/internet/address/v4/members.cc:
2491 Check more addresses.
2493 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
2495 * include/ext/aligned_buffer.h (__aligned_buffer): Add
2498 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
2500 * testsuite/std/format/arguments/lwg3810.cc: Move dg-options
2503 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
2505 * testsuite/experimental/simd/tests/reductions.cc: Introduce
2506 max_distance as the type-dependent max error.
2508 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
2510 * include/experimental/bits/simd_builtin.h (_S_set): Compare as
2511 int. The actual range of these indexes is very small.
2513 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
2515 * include/experimental/bits/simd_x86.h (_S_bit_shift_left)
2516 (_S_bit_shift_right): Declare constexpr. The implementation was
2517 already expecting constexpr evaluation.
2519 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
2522 * include/experimental/bits/simd_detail.h
2523 (_GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA): Define as empty for
2526 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
2529 * include/experimental/bits/simd.h (__vector_broadcast):
2530 Implement via __vector_broadcast_impl instead of
2531 __call_with_n_evaluations + 2 lambdas.
2532 (__vector_broadcast_impl): New.
2534 2023-02-22 Alexandre Oliva <oliva@adacore.com>
2536 * src/c++11/shared_ptr.cc (__gnu_internal::get_mutex):
2537 Avoid destruction of the mutex pool.
2539 2023-02-22 Alexandre Oliva <oliva@adacore.com>
2541 * testsuite/27_io/basic_ofstream/open/char/noreplace.cc: xfail
2543 * testsuite/27_io/basic_ofstream/open/wchar_t/noreplace.cc:
2546 2023-02-22 Alexandre Oliva <oliva@adacore.com>
2548 * testsuite/17_intro/names.cc: Undef func on vxworks >= 7 in
2551 2023-02-20 Andreas Schwab <schwab@linux-m68k.org>
2553 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
2555 2023-02-20 Matthias Kretz <m.kretz@gsi.de>
2557 * include/experimental/bits/simd.h (__extract_part, split):
2558 Use reserved name for template parameter.
2560 2023-02-20 Andreas Schwab <schwab@suse.de>
2562 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
2564 2023-02-18 Gerald Pfeifer <gerald@pfeifer.com>
2566 * doc/xml/faq.xml: Switch two links to www.open-std.org to https.
2567 * doc/html/faq.html: Regenerate.
2569 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
2571 * include/experimental/bits/simd_math.h (__hypot): Bitcasting
2572 between scalars requires the __bit_cast helper function instead
2575 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
2577 * include/experimental/bits/simd_x86.h
2578 (_SimdImplX86::_S_not_equal_to, _SimdImplX86::_S_less)
2579 (_SimdImplX86::_S_less_equal): Do not call
2580 __builtin_is_constant_evaluated in constexpr-if.
2582 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
2584 * testsuite/experimental/simd/tests/bits/verify.h
2585 (verify::verify): Use %zx for size_t in format string.
2587 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
2589 * testsuite/experimental/simd/generate_makefile.sh: Generate and
2590 pre-compile pch.h, which includes all headers that do not depend
2591 on command-line macros.
2592 * testsuite/experimental/simd/tests/bits/main.h: New file.
2593 (iterate_abis, main): Moved from verify.h.
2594 * testsuite/experimental/simd/tests/bits/verify.h
2595 (iterate_abis, main): Moved to main.h.
2596 * testsuite/experimental/simd/tests/bits/conversions.h: Add
2598 (genHalfBits): Simplify.
2599 * testsuite/experimental/simd/tests/bits/make_vec.h: Add include
2601 (make_alternating_mask): Moved from mask_loadstore.
2602 * testsuite/experimental/simd/tests/bits/mathreference.h: Add
2604 * testsuite/experimental/simd/tests/bits/test_values.h: Ditto.
2605 * testsuite/experimental/simd/tests/mask_loadstore.cc
2606 (make_mask, make_alternating_mask): Removed.
2607 * testsuite/experimental/simd/tests/mask_reductions.cc: Ditto.
2608 * testsuite/experimental/simd/tests/operators.cc (genHalfBits):
2610 * testsuite/experimental/simd/tests/abs.cc: Only include
2613 * testsuite/experimental/simd/tests/algorithms.cc: Ditto.
2614 * testsuite/experimental/simd/tests/broadcast.cc: Ditto.
2615 * testsuite/experimental/simd/tests/casts.cc: Ditto.
2616 * testsuite/experimental/simd/tests/fpclassify.cc: Ditto.
2617 * testsuite/experimental/simd/tests/frexp.cc: Ditto.
2618 * testsuite/experimental/simd/tests/generator.cc: Ditto.
2619 * testsuite/experimental/simd/tests/hypot3_fma.cc: Ditto.
2620 * testsuite/experimental/simd/tests/integer_operators.cc: Ditto.
2621 * testsuite/experimental/simd/tests/ldexp_scalbn_scalbln_modf.cc:
2622 * testsuite/experimental/simd/tests/loadstore.cc: Ditto.
2623 * testsuite/experimental/simd/tests/logarithm.cc: Ditto.
2624 * testsuite/experimental/simd/tests/mask_broadcast.cc: Ditto.
2625 * testsuite/experimental/simd/tests/mask_conversions.cc: Ditto.
2626 * testsuite/experimental/simd/tests/mask_implicit_cvt.cc: Ditto.
2627 * testsuite/experimental/simd/tests/mask_operator_cvt.cc: Ditto.
2628 * testsuite/experimental/simd/tests/mask_operators.cc: Ditto.
2629 * testsuite/experimental/simd/tests/math_1arg.cc: Ditto.
2630 * testsuite/experimental/simd/tests/math_2arg.cc: Ditto.
2631 * testsuite/experimental/simd/tests/operator_cvt.cc: Ditto.
2632 * testsuite/experimental/simd/tests/reductions.cc: Ditto.
2633 * testsuite/experimental/simd/tests/remqo.cc: Ditto.
2634 * testsuite/experimental/simd/tests/simd.cc: Ditto.
2635 * testsuite/experimental/simd/tests/sincos.cc: Ditto.
2636 * testsuite/experimental/simd/tests/split_concat.cc: Ditto.
2637 * testsuite/experimental/simd/tests/splits.cc: Ditto.
2638 * testsuite/experimental/simd/tests/trigonometric.cc: Ditto.
2639 * testsuite/experimental/simd/tests/trunc_ceil_floor.cc: Ditto.
2640 * testsuite/experimental/simd/tests/where.cc: Ditto.
2642 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
2644 * testsuite/experimental/simd/README.md: Document the timeout
2645 and timeout-factor directives. Minor typo fixed.
2647 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
2650 * include/experimental/bits/simd_detail.h: Define
2651 _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA.
2652 * include/experimental/bits/simd.h: Annotate lambdas with
2653 _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA.
2654 * include/experimental/bits/simd_builtin.h: Ditto.
2655 * include/experimental/bits/simd_converter.h: Ditto.
2656 * include/experimental/bits/simd_fixed_size.h: Ditto.
2657 * include/experimental/bits/simd_math.h: Ditto.
2658 * include/experimental/bits/simd_neon.h: Ditto.
2659 * include/experimental/bits/simd_x86.h: Ditto.
2661 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
2663 * include/experimental/bits/simd.h
2664 (_SimdWrapper::_M_is_constprop_none_of)
2665 (_SimdWrapper::_M_is_constprop_all_of): Return false unless the
2666 computed result still satisfies __builtin_constant_p.
2668 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
2670 * testsuite/std/format/arguments/lwg3810.cc: Replace UTF-8
2673 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
2675 * include/Makefile.am: Add new header.
2676 * include/Makefile.in: Regenerate.
2677 * include/experimental/synchronized_value: New file.
2678 * testsuite/experimental/synchronized_value.cc: New test.
2680 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
2682 * include/experimental/optional: Fix header name in comment.
2684 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
2686 * include/std/format (__format::_Arg_store): New class template.
2687 (basic_format_args): Remove nested type _Store and add deduction
2688 guide from _Arg_store.
2689 (basic_format_arg, make_format_args): Adjust.
2690 * testsuite/std/format/arguments/lwg3810.cc: New test.
2692 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
2694 * include/bits/stl_pair.h (pair) [C++20]: Add non-dangling
2695 constraints to constructors and add deleted overloads for the
2696 dangling cases, as per P2255R2.
2697 (pair) [!C++20 && _GLIBCXX_DEBUG]: Add static assertions to
2698 make dangling cases ill-formed.
2699 * testsuite/20_util/pair/dangling_ref.cc: New test.
2701 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
2703 * testsuite/17_intro/names_pstl.cc: Require et tbb_backend.
2705 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
2707 * include/ext/throw_allocator.h: Use reserved names for
2710 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
2712 * testsuite/17_intro/names_pstl.cc: Add space after effective
2715 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
2717 * include/pstl/algorithm_fwd.h (__pattern_search_n)
2718 (__brick_unique_copy, __brick_adjacent_find)
2719 (__brick_generate_n, __pattern_generate_n): Use reserved names
2721 * include/pstl/algorithm_impl.h (__brick_unique_copy)
2722 (__pattern_reverse, __brick_generate_n): Likewise.
2723 * include/pstl/execution_impl.h (__prefer_unsequenced_tag)
2724 (__prefer_parallel_tag): Likewise.
2725 * include/pstl/glue_algorithm_impl.h (transform): Likewise.
2726 * include/pstl/glue_numeric_defs.h (adjacent_difference):
2728 * include/pstl/numeric_impl.h (__brick_adjacent_difference):
2730 * include/pstl/parallel_backend_tbb.h (__merge_func): Likewise.
2731 * include/pstl/unseq_backend_simd.h (_Combiner)
2732 (__simd_min_element, __simd_minmax_element): Likewise.
2733 * testsuite/17_intro/names_pstl.cc: New test.
2735 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
2737 * include/bits/fs_ops.h (create_directory): Use reserved name
2739 * include/bits/ranges_algo.h (__contains_subrange_fn):
2741 * include/bits/regex_automaton.h (_State_base::_M_print):
2743 * include/bits/regex_automaton.tcc(_State_base::_M_print):
2745 * include/bits/regex_scanner.tcc(_Scanner::_M_print): Likewise.
2746 * include/experimental/bits/fs_ops.h (create_directory):
2748 * include/std/mutex (timed_mutex::_M_clocklock): Likewise.
2749 (recursive_timed_mutex:_M_clocklock): Likewise.
2750 * include/std/tuple (basic_common_reference): Likewise.
2751 * libsupc++/cxxabi_init_exception.h
2752 (__cxa_init_primary_exception): Likewise.
2753 * testsuite/17_intro/names.cc: Add checks.
2755 2023-02-14 Gerald Pfeifer <gerald@pfeifer.com>
2757 * doc/xml/manual/status_cxx2017.xml: Update an open-std.org link
2758 to www.open-std.org and https.
2759 * doc/html/manual/status.html: Regenerate.
2761 2023-02-14 Thomas W Rodgers <rodgert@twrodgers.com>
2764 * include/std/atomic (atomic_flag_wait): Add.
2765 (atomic_flag_wait_explicit): Add.
2766 (atomic_flag_notify): Add.
2767 (atomic_flag_notify_explicit): Add.
2768 * testsuite/29_atomics/atomic_flag/wait_notify/1.cc:
2769 Add test case to cover missing atomic_flag free functions.
2771 2023-02-14 Thomas W Rodgers <rodgert@twrodgers.com>
2774 * include/std/atomic (atomic_flag_test): Add.
2775 (atomic_flag_test_explicit): Add.
2776 * testsuite/29_atomics/atomic_flag/test/explicit.cc: Add
2777 test case to cover missing atomic_flag free functions.
2778 * testsuite/29_atomics/atomic_flag/test/implicit.cc:
2781 2023-02-13 Gerald Pfeifer <gerald@pfeifer.com>
2783 * doc/xml/manual/policy_data_structures_biblio.xml: Adjust
2784 "The Component Object Model" reference.
2785 * doc/html/manual/policy_data_structures.html: Regenerate.
2787 2023-02-12 Gerald Pfeifer <gerald@pfeifer.com>
2789 * doc/xml/manual/containers.xml: Tweak a link to N1780
2791 * doc/html/manual/associative.html: Regenerate.
2793 2023-02-12 Gerald Pfeifer <gerald@pfeifer.com>
2795 * doc/xml/manual/ctype.xml: Change www.unix.org to unix.org.
2796 * doc/html/manual/facets.html: Regenerate.
2798 2023-02-11 Gerald Pfeifer <gerald@pfeifer.com>
2800 * doc/xml/manual/policy_data_structures_biblio.xml: Update
2801 link to "Worst-case efficient priority queues".
2802 * doc/html/manual/policy_data_structures.html: Regenerate.
2804 2023-02-06 Arsen Arsenović <arsen@aarsen.me>
2806 * doc/xml/manual/using.xml: Document newly-freestanding
2807 headers and the effect of the -ffreestanding flag.
2808 * doc/xml/manual/status_cxx2023.xml: Document P1642R11 as
2810 * doc/xml/manual/configure.xml: Document that hosted installs
2811 respect __STDC_HOSTED__.
2812 * doc/xml/manual/test.xml: Document how to run tests in
2814 * doc/html/*: Regenerate.
2816 2023-02-06 Jonathan Wakely <jwakely@redhat.com>
2818 * include/bits/ranges_algo.h (__find_last_fn): Rename T to _Tp.
2819 (__find_last_if_fn): Likewise.
2821 2023-02-06 Jonathan Wakely <jwakely@redhat.com>
2823 * include/std/type_traits: Add diagnostic pragmas around
2824 references to deprecated std::aligned_storage and
2825 std::aligned_union traits.
2826 * testsuite/20_util/aligned_storage/requirements/alias_decl.cc:
2827 Add dg-warning for et c++23.
2828 * testsuite/20_util/aligned_storage/requirements/explicit_instantiation.cc:
2830 * testsuite/20_util/aligned_storage/value.cc: Likewise.
2831 * testsuite/20_util/aligned_union/1.cc: Likewise.
2832 * testsuite/20_util/aligned_union/requirements/alias_decl.cc:
2835 2023-02-06 Nathaniel Shead <nathanieloshead@gmail.com>
2837 * doc/doxygen/user.cfg.in (PREDEFINED): Add new macros.
2838 * include/bits/c++config (_GLIBCXX23_DEPRECATED)
2839 (_GLIBCXX23_DEPRECATED_SUGGEST): New macros.
2840 * include/std/type_traits (aligned_storage, aligned_union)
2841 (aligned_storage_t, aligned_union_t): Deprecate for C++23.
2842 * testsuite/20_util/aligned_storage/deprecated-2b.cc: New test.
2843 * testsuite/20_util/aligned_union/deprecated-2b.cc: New test.
2845 2023-02-06 Nathaniel Shead <nathanieloshead@gmail.com>
2847 * doc/doxygen/user.cfg.in (PREDEFINED): Update macros.
2848 * include/bits/c++config (_GLIBCXX20_DEPRECATED): Make
2849 consistent with other 'deprecated' macros.
2850 * include/std/type_traits (is_pod, is_pod_v): Use
2851 _GLIBCXX20_DEPRECATED_SUGGEST instead.
2853 2023-02-06 Arsen Arsenović <arsen@aarsen.me>
2855 * Makefile.am [!_GLIBCXX_HOSTED]: Enable src/ subdirectory.
2856 * Makefile.in: Regenerate.
2857 * src/Makefile.am [!_GLIBCXX_HOSTED]: Omit compatibility files.
2858 There's no history to be compatible with.
2859 * src/c++11/Makefile.am [!_GLIBCXX_HOSTED]: Omit hosted-only
2860 source files from the build.
2861 * src/c++17/Makefile.am [!_GLIBCXX_HOSTED]: Likewise.
2862 * src/c++20/Makefile.am [!_GLIBCXX_HOSTED]: Likewise.
2863 * src/c++98/Makefile.am [!_GLIBCXX_HOSTED]: Likewise.
2864 * src/Makefile.in: Regenerate.
2865 * src/c++11/Makefile.in: Regenerate.
2866 * src/c++17/Makefile.in: Regenerate.
2867 * src/c++20/Makefile.in: Regenerate.
2868 * src/c++98/Makefile.in: Regenerate.
2870 2023-02-06 Jonathan Wakely <jwakely@redhat.com>
2872 * src/Makefile.am [GLIBCXX_HOSTED] (SUBDIRS): Do not add
2873 filesystem, libbacktrace and experimental.
2874 * src/Makefile.in: Regenerate.
2876 2023-02-04 Hans-Peter Nilsson <hp@axis.com>
2879 * include/pstl/unseq_backend_simd.h (__simd_or): Use __INT32_TYPE__
2882 2023-02-04 Gerald Pfeifer <gerald@pfeifer.com>
2884 * doc/xml/manual/documentation_hacking.xml: Adjust link to pdftex.
2885 * doc/html/manual/documentation_hacking.html: Regenerate.
2887 2023-02-04 François Dumont <fdumont@gcc.gnu.org>
2889 * include/bits/basic_string.h (operator=(basic_string&&)): Transfer move-to
2890 storage to the move-from instance when allocators are equal.
2891 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc (test04):
2894 2023-02-03 Samuel Thibault <samuel.thibault@gnu.org>
2896 * config/os/gnu-linux/os_defines.h [!__linux__]
2897 (_GLIBCXX_NATIVE_THREAD_ID, _GLIBCXX_GTHREAD_USE_WEAK): Do not define.
2899 2023-02-03 Patrick Palka <ppalka@redhat.com>
2901 * include/bits/ranges_algo.h (__find_last_fn, find_last):
2903 (__find_last_if_fn, find_last_if): Define.
2904 (__find_last_if_not_fn, find_last_if_not): Define.
2905 * testsuite/25_algorithms/find_last/1.cc: New test.
2906 * testsuite/25_algorithms/find_last_if/1.cc: New test.
2907 * testsuite/25_algorithms/find_last_if_not/1.cc: New test.
2909 2023-02-03 Patrick Palka <ppalka@redhat.com>
2911 * include/bits/ranges_algo.h (out_value_result): Define.
2912 (iota_result): Define.
2913 (__iota_fn, iota): Define.
2914 * testsuite/25_algorithms/iota/1.cc: New test.
2916 2023-02-03 Patrick Palka <ppalka@redhat.com>
2918 * include/bits/ranges_algo.h (__contains_fn, contains): Define.
2919 (__contains_subrange_fn, contains_subrange): Define.
2920 * testsuite/25_algorithms/contains/1.cc: New test.
2921 * testsuite/25_algorithms/contains_subrange/1.cc: New test.
2923 2023-02-02 Gerald Pfeifer <gerald@pfeifer.com>
2925 * doc/xml/manual/abi.xml: Tweak link to ABIcheck project.
2926 * doc/html/manual/abi.html: Regenerate.
2928 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
2930 * src/filesystem/ops-common.h [AVR] (__unsupported): Always use
2931 errc::function_not_supported instead of errc::not_supported.
2933 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
2935 * include/std/sstream (basic_stringbuf::view): Define for old
2937 (basic_istringstream::view, basic_0stringstream::view)
2938 (basic_stringstream::view): Likewise.
2939 * testsuite/27_io/basic_istringstream/view/char/1.cc: Remove
2940 { dg-require-effective-target cxx11_abi }.
2941 * testsuite/27_io/basic_istringstream/view/wchar_t/1.cc:
2943 * testsuite/27_io/basic_ostringstream/view/char/1.cc: Likewise.
2944 * testsuite/27_io/basic_ostringstream/view/wchar_t/1.cc:
2946 * testsuite/27_io/basic_stringbuf/view/char/1.cc: Likewise.
2947 * testsuite/27_io/basic_stringbuf/view/wchar_t/1.cc: Likewise.
2948 * testsuite/27_io/basic_stringstream/view/char/1.cc: Likewise.
2949 * testsuite/27_io/basic_stringstream/view/wchar_t/1.cc:
2952 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
2955 * config/abi/pre/gnu.ver (GLIBCXX_3.4.31): Export shared_ptr
2956 conversion operators for directory iterator comparisons with
2957 std::default_sentinel_t.
2958 * include/bits/fs_path.h (path::path(string_view, _Type))
2959 (path::_Cmpt::_Cmpt(string_view, _Type, size_t)): Move inline
2961 * src/c++17/fs_path.cc: ... here.
2962 * testsuite/27_io/filesystem/path/108636.cc: New test.
2964 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
2966 * include/std/variant (variant::operator=): Implement resolution
2968 * testsuite/20_util/variant/lwg3585.cc: New test.
2970 2023-02-02 Gerald Pfeifer <gerald@pfeifer.com>
2972 * doc/xml/manual/using_exceptions.xml: Update a www.open-std.org
2974 * doc/html/manual/using_exceptions.html: Regenerate.
2976 2023-02-02 Gerald Pfeifer <gerald@pfeifer.com>
2978 * doc/xml/manual/debug.xml: Fix link to online GDB manual.
2979 * doc/html/manual/debug.html: Regenerate.
2981 2023-02-01 Jonathan Wakely <jwakely@redhat.com>
2983 * src/c++11/random.cc (random_device::_M_fini): Do not try to
2984 close the file handle if the target doesn't support the
2985 /dev/random and /dev/urandom files.
2987 2023-02-01 Jonathan Wakely <jwakely@redhat.com>
2989 * config/os/generic/error_constants.h (errc::value_too_large)
2991 * src/c++11/system_error.cc
2992 (system_category::default_error_condition) [__AVR__]: Only match
2993 recognize values equal to EDOM, ERANGE, ENOSYS and EINTR.
2994 * src/c++17/fs_ops.cc (fs::current_path) [__AVR__]: Do not check
2995 for ENOENT etc. in switch.
2996 (fs::remove_all) [__AVR__]: Likewise.
2997 * src/filesystem/ops-common.h [__AVR__]: Do not use POSIX open,
3000 2023-02-01 Jonathan Wakely <jwakely@redhat.com>
3002 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR) [avr-*-*, msp430-*-*]: Set
3004 * configure: Regenerate.
3006 2023-02-01 Hans-Peter Nilsson <hp@axis.com>
3009 * testsuite/std/time/hh_mm_ss/1.cc (size): Add empty
3010 struct at end of S0.
3012 2023-01-30 Gerald Pfeifer <gerald@pfeifer.com>
3014 * doc/xml/manual/shared_ptr.xml: Move links from both
3015 http://open-std.org and http://www.open-std.org to
3016 https://www.open-std.org.
3017 * doc/html/manual/memory.html: Regenerate.
3019 2023-01-28 Gerald Pfeifer <gerald@pfeifer.com>
3021 * doc/xml/manual/appendix_contributing.xml: Adjust link to
3022 ISO C++ standard at ANSI.
3023 Move link to www.open-std.org to https.
3024 * doc/html/manual/appendix_contributing.html: Regenerate.
3026 2023-01-28 Gerald Pfeifer <gerald@pfeifer.com>
3028 * doc/xml/manual/documentation_hacking.xml: Move sourceforge.net
3030 * doc/html/manual/documentation_hacking.html: Regenerate.
3032 2023-01-28 Gerald Pfeifer <gerald@pfeifer.com>
3034 * doc/xml/manual/abi.xml: Update www.open-std.org link to https.
3035 * doc/html/manual/abi.html: Regenerate.
3037 2023-01-27 Jakub Jelinek <jakub@redhat.com>
3040 * testsuite/17_intro/names.cc (__unused): For linux or GNU hurd
3041 include features.h if present and then check __GLIBC__ and
3042 __GLIBC_MINOR__ macros for glibc prior to 2.19, instead of testing
3043 __GLIBC_PREREQ which isn't defined yet.
3045 2023-01-27 Jonathan Wakely <jwakely@redhat.com>
3047 * src/c++20/tzdb.cc (tzdata_stream): Use constant instead of
3050 2023-01-27 Jonathan Wakely <jwakely@redhat.com>
3053 * testsuite/23_containers/map/modifiers/108554.cc: Use dg-bogus.
3055 2023-01-26 Jonathan Wakely <jwakely@redhat.com>
3057 * src/c++20/tzdb.cc (operator>>(istream&, ZoneInfo&)): Allow
3058 rules named "+" for compatibility with older tzdata.zi files.
3060 2023-01-26 Jonathan Wakely <jwakely@redhat.com>
3063 * include/bits/stl_tree.h (_Rb_tree_insert_and_rebalance): Add
3065 (_Rb_tree_rebalance_for_erase): Add nonnull and returns_nonnull
3067 * testsuite/23_containers/map/modifiers/108554.cc: New test.
3069 2023-01-26 Jonathan Wakely <jwakely@redhat.com>
3072 * src/c++20/tzdb.cc (current_zone): Look for TIMEZONE or ZONE in
3073 /etc/sysconfig/clock, not DEFAULT_TIMEZONE.
3075 2023-01-26 Gerald Pfeifer <gerald@pfeifer.com>
3077 * doc/xml/manual/intro.xml: Update links to www.open-std.org to
3079 * doc/html/manual/bugs.html: Regenerate.
3081 2023-01-24 Jonathan Wakely <jwakely@redhat.com>
3084 * src/c++20/tzdb.cc (current_zone): Look for DEFAULT_TIMEZONE in
3085 /etc/sysconfig/clock.
3087 2023-01-24 Jonathan Wakely <jwakely@redhat.com>
3090 * include/bits/ranges_base.h: Include <bits/stl_iterator.h> for
3091 std::make_reverse_iterator.
3092 * include/std/tuple: Include <bits/ranges_util.h> for subrange.
3093 (make_from_tuple): Add static assertion from P2255 to diagnose
3094 dangling references.
3095 * testsuite/20_util/tuple/make_from_tuple/dangling_ref.cc: New test.
3096 * testsuite/20_util/tuple/make_from_tuple/tuple_like.cc: New test.
3098 2023-01-23 François Dumont <fdumont@gcc.gnu.org>
3100 * include/debug/safe_iterator.h (_Safe_iterator<>::_Unchecked): New.
3101 (_Safe_iterator(const _Safe_iterator&, _Unchecked)): New.
3102 (_Safe_iterator::operator++(int)): Use latter.
3103 (_Safe_iterator::operator--(int)): Likewise.
3104 (_Safe_iterator(_Iterator, const _Safe_sequence_base*)): Remove !_M_insular()
3106 * include/debug/safe_local_iterator.h (_Safe_local_iterator<>::_Unchecked):
3108 (_Safe_local_iterator(const _Safe_local_iterator&, _Unchecked)): New.
3109 (_Safe_local_iterator::operator++(int)): Use latter.
3110 * src/c++11/debug.cc (_S_debug_messages): Add as comment the _Debug_msg_id
3111 entry associated to the array entry.
3113 2023-01-18 Jonathan Wakely <jwakely@redhat.com>
3115 * include/bits/fs_path.h (u8path): Add deprecated attribute.
3116 * testsuite/27_io/filesystem/path/construct/90281.cc: Add
3117 -Wno-deprecated-declarations for C++20 and later.
3118 * testsuite/27_io/filesystem/path/factory/u8path-char8_t.cc:
3120 * testsuite/27_io/filesystem/path/factory/u8path.cc: Likewise.
3121 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
3122 * testsuite/27_io/filesystem/path/factory/u8path-depr.cc: New test.
3124 2023-01-18 Jonathan Wakely <jwakely@redhat.com>
3126 * include/bits/random.h (random_device) [!_GLIBCXX_USE_DEV_RANDOM]:
3127 Always call _M_fini and _M_getentropy.
3129 2023-01-18 Gerald Pfeifer <gerald@pfeifer.com>
3131 * doc/xml/manual/policy_data_structures_biblio.xml: Adjust links
3132 to www.open-std.org to use https.
3133 (COM: Component Model Object Technologies): Rename from...
3134 (The Component Object Model): ...to.
3135 * doc/html/manual/policy_data_structures.html: Regenerate.
3137 2023-01-18 Dimitrij Mijoski <dmjpp@hotmail.com>
3139 * testsuite/22_locale/codecvt/codecvt_unicode.cc: Simplify.
3140 * testsuite/22_locale/codecvt/codecvt_unicode.h: Simplify.
3141 * testsuite/22_locale/codecvt/codecvt_unicode_wchar_t.cc: Simplify.
3143 2023-01-17 Jonathan Wakely <jwakely@redhat.com>
3145 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Check $target_os instead
3146 of $host. Fix check for file being present during native build.
3147 * configure: Regenerate.
3149 2023-01-17 Martin Liska <mliska@suse.cz>
3151 * src/libbacktrace/Makefile.in: Regenerate.
3153 2023-01-16 Jonathan Wakely <jwakely@redhat.com>
3155 * src/c++20/tzdb.cc (_GLIBCXX_USE_CXX11_ABI): Define to 1.
3157 2023-01-16 Jonathan Wakely <jwakely@redhat.com>
3160 * include/c_compatibility/stdatomic.h: Change copyright line to
3161 be consistent with other headers contributed under DCO terms.
3162 * include/std/expected: Add full stop to copyright line.
3163 * src/c++20/tzdb.cc: Likewise.
3165 2023-01-15 Gerald Pfeifer <gerald@pfeifer.com>
3167 * doc/xml/manual/status_cxx2014.xml: Switch www.open-std.org to
3169 * doc/xml/manual/status_cxx2017.xml: Ditto.
3170 * doc/xml/manual/status_cxx2020.xml: Ditto.
3171 * doc/xml/manual/status_cxx2023.xml: Ditto.
3172 * doc/html/manual/status.html: Regenerate.
3174 2023-01-15 Jonathan Wakely <jwakely@redhat.com>
3176 * testsuite/std/time/tzdb_list/1.cc: Remove dg-xfail-run-if
3177 and fail gracefully if defining the weak symbol doesn't work.
3179 2023-01-15 François Dumont <fdumont@gcc.gnu.org>
3182 * include/debug/safe_iterator.h (_Safe_iterator<>::operator++(int)): Extend deadlock
3183 fix to other iterator category.
3184 (_Safe_iterator<>::operator--(int)): Likewise.
3185 * include/debug/safe_local_iterator.h (_Safe_local_iterator<>::operator++(int)):
3187 * testsuite/util/debug/unordered_checks.h (invalid_local_iterator_pre_increment): New.
3188 (invalid_local_iterator_post_increment): New.
3189 * testsuite/23_containers/unordered_map/debug/invalid_local_iterator_post_increment_neg.cc:
3191 * testsuite/23_containers/unordered_map/debug/invalid_local_iterator_pre_increment_neg.cc:
3194 2023-01-15 Jonathan Wakely <jwakely@redhat.com>
3196 * testsuite/30_threads/jthread/jthread.cc: Remove -pthread from
3199 2023-01-15 Jonathan Wakely <jwakely@redhat.com>
3201 * testsuite/std/time/clock/utc/io.cc: Use ctype to widen char.
3203 2023-01-14 Björn Schäpers <bjoern@hazardy.de>
3205 * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Add check for
3206 windows.h. Add pecoff as FORMAT_FILE.
3207 * config.h.in: Regenerate.
3208 * configure: Regenerate.
3209 * src/libbacktrace/Makefile.am: Regenerate.
3210 * src/libbacktrace/Makefile.in: Add pecoff.c as FORMAT_FILE.
3212 2023-01-14 Björn Schäpers <bjoern@hazardy.de>
3214 * include/std/stacktrace (stacktrace_entry::_S_demangle): Use
3215 raw __name if __cxa_demangle could not demangle it.
3217 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
3220 * src/c++20/tzdb.cc (current_zone()) [_AIX]: Use TZ environment
3223 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
3225 * src/c++20/tzdb.cc (TZDB_DISABLED): Disable all code for
3227 * testsuite/std/time/tzdb/leap_seconds.cc: Require tzdb
3229 * testsuite/std/time/tzdb_list/1.cc: Likewise.
3231 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
3233 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Replace the
3234 --with-libstdcxx-zoneinfo-dir configure option with
3235 --with-libstdcxx-zoneinfo with yes/no/static choices as well as
3237 * config.h.in: Regenerate.
3238 * configure: Regenerate.
3239 * doc/xml/manual/configure.xml: Document configure option.
3240 * doc/html/manual/configure.html: Regenerate.
3241 * src/c++20/Makefile.am: Generate tzdata.zi.h header.
3242 * src/c++20/Makefile.in: Regenerate.
3243 * src/c++20/tzdb.cc (__gnu_cxx::zoneinfo_dir_override): Return a
3244 null pointer if no directory is configured.
3245 (zoneinfo_dir): Replace with ...
3246 (zoneinfo_file): New function.
3247 (tzdata_stream): New istream class.
3248 (remote_version, reload_tzdb): Use tzdata_stream.
3249 * testsuite/lib/libstdc++.exp (check_effective_target_tzdb):
3250 Check new _GLIBCXX_STATIC_TZDATA macro and ignore presence of
3251 tzdata.zi file in default location.
3252 * src/c++20/tzdata.zi: New file.
3254 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
3256 * include/bits/chrono_io.h (operator<<): Fix syntax errors.
3257 * testsuite/std/time/month_day/io.cc: New test.
3258 * testsuite/std/time/month_day_last/io.cc: New test.
3259 * testsuite/std/time/month_weekday/io.cc: New test.
3260 * testsuite/std/time/month_weekday_last/io.cc: New test.
3261 * testsuite/std/time/weekday_indexed/io.cc: New test.
3262 * testsuite/std/time/weekday_last/io.cc: New test.
3263 * testsuite/std/time/year_month/io.cc: New test.
3264 * testsuite/std/time/year_month_day_last/io.cc: New test.
3265 * testsuite/std/time/year_month_weekday/io.cc: New test.
3266 * testsuite/std/time/year_month_weekday_last/io.cc: New test.
3268 2023-01-14 François Dumont <fdumont@gcc.gnu.org>
3270 * include/std/format [_GLIBCXX_INLINE_VERSION](to_chars): Adapt __asm symbol
3272 * config/abi/pre/gnu-versioned-namespace.ver: Add to_chars/from_chars symbols
3275 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
3277 * include/bits/std_mutex.h: Include <errno.h>.
3279 2023-01-13 Arsen Arsenović <arsen@aarsen.me>
3281 * testsuite/20_util/to_chars/version.cc: Mark hosted-only.
3282 * testsuite/20_util/uses_allocator/lwg3677.cc: Ditto.
3283 * testsuite/20_util/weak_ptr/cons/self_move.cc: Ditto.
3284 * testsuite/std/ranges/adaptors/as_rvalue/1.cc: Replace usage of
3285 std::make_unique with a freestanding-compatible wrapper around
3287 * testsuite/21_strings/basic_string_view/operations/contains/char.cc:
3288 Don't test for presence of __cpp_lib_string_contains on !HOSTED.
3289 * testsuite/21_strings/basic_string_view/operations/contains/char/2.cc:
3291 * testsuite/std/ranges/version_c++23.cc: Don't test for presence
3292 of __cpp_lib_ranges in !HOSTED.
3294 2023-01-13 Arsen Arsenović <arsen@aarsen.me>
3296 * include/Makefile.am: Install bits/char_traits.h,
3298 * include/Makefile.in: Regenerate.
3299 * include/bits/char_traits.h: Gate hosted-only, wchar-only and
3300 mbstate-only bits behind appropriate #ifs.
3301 * include/std/string_view: Gate <iostream> functionality behind
3303 * include/std/version: Enable __cpp_lib_constexpr_string_view
3304 and __cpp_lib_starts_ends_with in !HOSTED.
3305 * include/std/ranges: Re-enable __is_basic_string_view on
3306 freestanding, include <string_view> directly.
3307 * include/precompiled/stdc++.h: Include <string_view> when
3309 * testsuite/20_util/function_objects/searchers.cc: Skip testing
3310 boyer_moore searchers on freestanding
3311 * testsuite/21_strings/basic_string_view/capacity/1.cc: Guard
3312 <string>-related tests behind __STDC_HOSTED__.
3313 * testsuite/21_strings/basic_string_view/cons/char/1.cc: Ditto.
3314 * testsuite/21_strings/basic_string_view/cons/char/2.cc: Remove
3315 unused <stdexcept> include.
3316 * testsuite/21_strings/basic_string_view/cons/char/3.cc: Remove
3317 unused <vector> include.
3318 * testsuite/21_strings/basic_string_view/cons/char/range.cc:
3319 Guard <string> related testing behind __STDC_HOSTED__.
3320 * testsuite/21_strings/basic_string_view/cons/wchar_t/1.cc:
3321 Guard <stdexcept> related tests behind __STDC_HOSTED__.
3322 * testsuite/21_strings/basic_string_view/element_access/char/1.cc:
3324 * testsuite/21_strings/basic_string_view/element_access/wchar_t/1.cc:
3325 Guard <stdexcept> tests behind __STDC_HOSTED__.
3326 * testsuite/21_strings/basic_string_view/operations/contains/char/2.cc:
3327 Enable test on freestanding, guard <stdexcept> bits behind
3329 * testsuite/21_strings/basic_string_view/operations/substr/char.cc:
3330 Guard <stdexcept> bits behind __STDC_HOSTED__.
3331 * testsuite/21_strings/basic_string_view/operations/substr/wchar_t.cc:
3334 2023-01-13 Dimitrij Mijoski <dmjpp@hotmail.com>
3337 * src/c++11/codecvt.cc (read_utf8_code_point): Correctly detect
3338 errors in incomplete multibyte sequences.
3339 (utf16_in): Remove surrogates parameter. Fix conditions for
3341 (utf16_out): Fix condition for returning partial.
3342 (ucs2_in): Do not pass surrogates argument to utf16_in.
3343 * testsuite/22_locale/codecvt/codecvt_unicode.cc: New test.
3344 * testsuite/22_locale/codecvt/codecvt_unicode.h: New header for
3346 * testsuite/22_locale/codecvt/codecvt_unicode_wchar_t.cc: New
3349 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
3352 * config/io/c_io_stdio.h (__c_lock): Define as a typedef for
3353 __GTHREAD_LEGACY_MUTEX_T if defined.
3355 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
3358 * config/os/gnu-linux/ldbl-extra.ver (GLIBCXX_LDBL_3.4.31):
3359 Export __try_use_facet specializations for facets in namespace
3361 * config/os/gnu-linux/ldbl-ieee128-extra.ver
3362 (GLIBCXX_IEEE128_3.4.31): Likewise for facets in namespace
3364 * testsuite/util/testsuite_abi.cc: Add to lists of known and
3367 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
3369 * include/bits/std_mutex.h: Remove <system_error> include.
3370 * include/std/condition_variable: Add <bits/error_constants.h>
3372 * include/std/mutex: Likewise.
3373 * include/std/shared_mutex: Likewise.
3375 2023-01-12 Jonathan Wakely <jwakely@redhat.com>
3378 * include/experimental/memory_resource
3379 (_GLIBCXX_MAX_ALIGN_MATCHES_MALLOC): Define.
3380 (do_allocate, do_deallocate): Check it.
3381 * testsuite/experimental/memory_resource/new_delete_resource.cc:
3382 Relax expected behaviour for 64-bit hppa-hp-hpux11.11.
3384 2023-01-12 Jonathan Wakely <jwakely@redhat.com>
3386 * doc/xml/manual/abi.xml: Add latest library versions.
3387 * doc/html/manual/abi.html: Regenerate.
3389 2023-01-12 François Dumont <fdumont@gcc.gnu.org>
3392 * include/bits/stl_tree.h (_Rb_tree<>::_M_insert_range_equal): Remove
3393 unused _Alloc_node instance.
3395 2023-01-12 Jonathan Wakely <jwakely@redhat.com>
3397 * include/bits/atomic_wait.h (__detail::__platform_wait_t):
3398 Define as unsigned long if always lock-free, and unsigned int
3401 2023-01-10 Jonathan Wakely <jwakely@redhat.com>
3403 * src/c++20/tzdb.cc (tzdb_list::_S_init_tzdb): Use __try and
3404 __catch macros for exception handling.
3406 2023-01-10 Jonathan Wakely <jwakely@redhat.com>
3409 * include/bits/stl_algobase.h (__lg): Replace six overloads with
3410 a single function template for all integer types.
3411 * include/bits/stl_algo.h (__merge_adaptive_resize): Cast
3412 arithmetic results back to _Distance.
3414 2023-01-10 Jonathan Wakely <jwakely@redhat.com>
3417 * include/std/span (span::span()): Un-simplify constraint to
3418 work for size_t of lesser rank than int.
3420 2023-01-07 LIU Hao <lh_mouse@126.com>
3422 PR middle-end/108300
3423 * src/c++11/system_error.cc: Define `WIN32_LEAN_AND_MEAN` before
3425 * src/c++11/thread.cc: Likewise.
3426 * src/c++17/fs_ops.cc: Likewise.
3427 * src/filesystem/ops.cc: Likewise.
3429 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
3432 * src/c++20/tzdb.cc (zoneinfo_dir): Add diagnostic pragma.
3434 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
3437 * src/c++20/tzdb.cc (time_zone::_Impl::RulesCounter): New class
3438 template and partial specialization for synchronizing access to
3439 time_zone::_Impl::infos.
3440 (time_zone::_M_get_sys_info, reload_tzdb): Adjust uses of
3443 2023-01-06 Patrick Palka <ppalka@redhat.com>
3446 * include/bits/utility.h (__cpp_lib_ranges_zip): Define for C++23.
3447 * include/std/ranges (__cpp_lib_ranges_zip): Likewise.
3448 (__cpp_lib_ranges_chunk): Likewise.
3449 (__cpp_lib_ranges_slide): Likewise.
3450 (__cpp_lib_ranges_chunk_by): Likewise.
3451 (__cpp_lib_ranges_join_with): Likewise.
3452 (__cpp_lib_ranges_repeat): Likewise.
3453 (__cpp_lib_ranges_stride): Likewise.
3454 (__cpp_lib_ranges_cartesian_product): Likewise.
3455 (__cpp_lib_ranges_as_rvalue): Likewise.
3456 * include/std/version: Ditto.
3457 * testsuite/20_util/tuple/p2321r2.cc: Verify value of
3459 * testsuite/std/ranges/adaptors/as_rvalue/1.cc: Likewise.
3460 * testsuite/std/ranges/adaptors/chunk/1.cc: Likewise.
3461 * testsuite/std/ranges/adaptors/chunk_by/1.cc: Likewise.
3462 * testsuite/std/ranges/adaptors/join_with/1.cc: Likewise.
3463 * testsuite/std/ranges/adaptors/slide/1.cc: Likewise.
3464 * testsuite/std/ranges/adaptors/stride/1.cc: Likewise.
3465 * testsuite/std/ranges/cartesian_product/1.cc: Likewise.
3466 * testsuite/std/ranges/repeat/1.cc: Likewise.
3467 * testsuite/std/ranges/zip/1.cc: Likewise.
3468 * testsuite/std/ranges/version_c++23.cc: New test.
3470 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
3473 * include/std/bitset (operator>>): Use alloca in the right
3474 scope, not in a constructor.
3475 * testsuite/20_util/bitset/io/input.cc: Check case from PR.
3477 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
3480 * include/std/format (basic_format_arg) [!__cpp_lib_to_chars]:
3481 Disable visiting floating-point types.
3483 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
3486 * include/debug/safe_iterator.h (_Safe_iterator::operator++(int))
3487 (_Safe_iterator::operator--(int)): Do not hold lock around
3488 construction of return value.
3490 2023-01-05 John David Anglin <danglin@gcc.gnu.org>
3492 * config/cpu/hppa/atomicity.h (_PA_LDCW_INSN): Define.
3493 (__exchange_and_add): Use _PA_LDCW_INSN. Use ordered store for
3494 lock release. Revise loop.
3495 (__atomic_add): Likewise.
3497 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
3500 * python/libstdcxx/v6/printers.py (_utc_timezone): New global
3502 (StdChronoTimePointPrinter::to_string): Use it.
3504 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
3507 * include/std/functional (_Bind_front): Add no_unique_address
3508 attribute to data members.
3509 * testsuite/20_util/function_objects/bind_front/107784.cc: Check
3510 size of call wrappers with empty types for targets and bound
3513 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
3516 * src/c++20/tzdb.cc (chrono::current_zone()): Check for zone
3517 using only last component of the name.
3519 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
3523 * config/abi/pre/gnu.ver: Move zoneinfo_dir_override export to
3524 the latest symbol version.
3525 * src/c++20/tzdb.cc (USE_ATOMIC_SHARED_PTR): Define to 0 if
3526 atomic<_Node*> is not always lock free.
3527 (USE_ATOMIC_LIST_HEAD): New macro.
3528 [__hpux__] (__gnu_cxx::zoneinfo_dir_override()): Provide
3529 definition of weak symbol.
3530 (tzdb_list::_Node::_S_head): Rename to _S_head_cache.
3531 (tzdb_list::_Node::_S_list_head): New function for accessing
3532 list head efficiently.
3533 (tzdb_list::_Node::_S_cache_list_head): New function for
3534 updating _S_list_head.
3536 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
3539 * include/std/chrono (hh_mm_ss): Do not use chrono::abs if
3540 duration rep is unsigned.
3541 * testsuite/std/time/hh_mm_ss/1.cc: Check unsigned rep.
3543 2023-01-04 Iain Sandoe <iain@sandoe.co.uk>
3546 * config/abi/pre/gnu.ver (GLIBCXX_3.4):
3547 Add __gnu_cxx::zoneinfo_dir_override().
3549 2023-01-04 Jonathan Wakely <jwakely@redhat.com>
3552 * include/std/array (__array_traits<T, 0>::operator T*()): Add
3554 * testsuite/23_containers/array/element_access/constexpr_c++17.cc: Check
3555 std::array<T, 0>::data().
3558 Copyright (C) 2023 Free Software Foundation, Inc.
3560 Copying and distribution of this file, with or without modification,
3561 are permitted in any medium without royalty provided the copyright
3562 notice and this notice are preserved.