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bf074ee4
GA		 12024-02-12 Paul Keir <paul.keir@uws.ac.uk>
2
3 PR libstdc++/113294
4 * include/bits/basic_string.h (basic_string::operator=): Use
5 _M_use_local_data() instead of _M_local_buf on the moved-from
6 string.
7 * testsuite/21_strings/basic_string/modifiers/constexpr.cc
8 (test_move): New test.
9
2523654a
GA		 102024-02-09 Ken Matsui <kmatsui@gcc.gnu.org>
11
12 * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_IS_SAME):
13 Removed.
14 * include/std/type_traits (is_same): Use
15 _GLIBCXX_USE_BUILTIN_TRAIT instead of
16 _GLIBCXX_HAVE_BUILTIN_IS_SAME.
17 (is_same_v): Likewise.
18
90586e27
GA		 192024-02-08 Jonathan Wakely <jwakely@redhat.com>
20
21 * include/bits/shared_ptr_atomic.h: Fix typo in comment.
22
232024-02-08 Jonathan Wakely <jwakely@redhat.com>
24
25 PR libstdc++/100147
26 * include/bits/gslice.h (operator=): Add comment about lack of
27 self-assignment check.
28
292024-02-08 Jonathan Wakely <jwakely@redhat.com>
30
31 * include/tr2/type_traits (bases, direct_bases): Use
32 __has_builtin to check if required built-ins are supported.
33
0535c203
GA		 342024-02-07 Patrick Palka <ppalka@redhat.com>
35
36 PR testsuite/113710
37 PR c++/113814
38 * include/bits/stl_pair.h (tuple_element): Add forward
39 declaration of the partial specialization for tuple.
40
3e4c4c5e
GA		 412024-02-06 Torbjörn SVENSSON <torbjorn.svensson@foss.st.com>
42
43 * testsuite/lib/libstdc++.exp: Use "nul" for Windows, "/dev/null"
44 for other environments.
45
72319171
GA		 462024-02-04 Jonathan Wakely <jwakely@redhat.com>
47
48 * include/std/format (__format::_Spec::_M_reserved): Define new
49 bit-field members to reserve padding bits for future extensions.
50
512024-02-04 Jonathan Wakely <jwakely@redhat.com>
52
53 * src/experimental/Makefile.am: Use libstdc++fsconvenience.a
54 instead of libstdc++fs.a.
55 * src/experimental/Makefile.in: Regenerate.
56 * src/filesystem/Makefile.am: Build libstdc++fsconvenience.a as
57 well.
58 * src/filesystem/Makefile.in: Regenerate.
59
602024-02-04 Jonathan Wakely <jwakely@redhat.com>
61
62 * include/bits/text_encoding-data.h: Regenerate.
63 * include/bits/unicode-data.h: Regenerate.
64 * scripts/gen_text_encoding_data.py: Add copyright and license
65 text to the output.
66
4b7d4d8a
GA		 672024-02-02 Jonathan Wakely <jwakely@redhat.com>
68
69 PR libstdc++/113335
70 * include/bits/std_function.h (__function_guide_helper): Add
71 partial specialization for explicit object member functions, as
72 per LWG 3617.
73 * testsuite/20_util/function/cons/deduction_c++23.cc: Check
74 explicit object member functions.
75 * testsuite/30_threads/packaged_task/cons/deduction_c++23.cc:
76 Likewise.
77
782024-02-02 Jonathan Wakely <jwakely@redhat.com>
79
80 * testsuite/17_intro/names.cc [_AIX]: Undefine "u".
81
822024-02-02 Jonathan Wakely <jwakely@redhat.com>
83
84 * include/experimental/internet (network_v6::network): Define.
85 (network_v6::hosts): Finish implementing.
86 (network_v6::to_string): Do not concatenate std::string to
87 arbitrary std::basic_string specialization.
88 * testsuite/experimental/net/internet/network/v6/cons.cc: New
89 test.
90
912024-02-02 Jonathan Wakely <jwakely@redhat.com>
92
93 PR libstdc++/90276
94 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: Fix
95 comparison function to use less-than instead of equality.
96
972024-02-02 Jonathan Wakely <jwakely@redhat.com>
98
99 PR libstdc++/90276
100 * testsuite/util/pstl/test_utils.h (reverse_invoker): Do not use
101 perfect forwarding for iterator arguments.
102
1032024-02-02 Jonathan Wakely <jwakely@redhat.com>
104
105 * include/std/string_view (basic_string_view(R&&)): Remove
106 constraint that traits_type must be the same, as per LWG 3857.
107 * testsuite/21_strings/basic_string_view/cons/char/range_c++20.cc:
108 Explicit conversion between different specializations should be
109 allowed.
110 * testsuite/21_strings/basic_string_view/cons/wchar_t/range_c++20.cc:
111 Likewise.
112
1132024-02-02 Jonathan Wakely <jwakely@redhat.com>
114
115 * include/std/syncstream (basic_osyncstream::operator=): Remove
116 noexcept, as per LWG 3867.
117
1182024-02-02 Jonathan Wakely <jwakely@redhat.com>
119
120 * include/std/generator (promise_type::yield_value): Remove
121 noexcept from fourth overload, as per LWG 3894.
122
e2554540
GA		 1232024-02-01 Patrick Palka <ppalka@redhat.com>
124
125 PR libstdc++/113309
126 PR libstdc++/109203
127 * include/bits/ranges_util.h (__detail::__pair_like): Don't
128 define in C++23 mode.
129 (__detail::__pair_like_convertible_from): Adjust as per P2165R4.
130 (__detail::__is_subrange<subrange>): Moved from <ranges>.
131 (__detail::__is_tuple_like_v<subrange>): Likewise.
132 * include/bits/stl_iterator.h: Include <bits/utility.h> for
133 C++23.
134 (__different_from): Move to <concepts>.
135 (__iter_key_t): Adjust for C++23 as per P2165R4.
136 (__iter_val_t): Likewise.
137 * include/bits/stl_pair.h (pair, array): Forward declare.
138 (get): Forward declare all overloads relevant to P2165R4
139 tuple-like constructors.
140 (__is_tuple_v): Define for C++23.
141 (__is_tuple_like_v): Define for C++23.
142 (__tuple_like): Define for C++23 as per P2165R4.
143 (__pair_like): Define for C++23 as per P2165R4.
144 (__eligibile_tuple_like): Define for C++23.
145 (__eligibile_pair_like): Define for C++23.
146 (pair::_S_constructible_from_pair_like): Define for C++23.
147 (pair::_S_convertible_from_pair_like): Define for C++23.
148 (pair::_S_dangles_from_pair_like): Define for C++23.
149 (pair::pair): Define overloads taking a tuple-like type for
150 C++23 as per P2165R4.
151 (pair::_S_assignable_from_tuple_like): Define for C++23.
152 (pair::_S_const_assignable_from_tuple_like): Define for C++23.
153 (pair::operator=): Define overloads taking a tuple-like type for
154 C++23 as per P2165R4.
155 * include/bits/utility.h (ranges::__detail::__is_subrange):
156 Moved from <ranges>.
157 * include/bits/version.def (tuple_like): Define for C++23.
158 * include/bits/version.h: Regenerate.
159 * include/std/concepts (__different_from): Moved from
160 <bits/stl_iterator.h>.
161 (ranges::__swap::__adl_swap): Clarify which __detail namespace.
162 * include/std/map (__cpp_lib_tuple_like): Define C++23.
163 * include/std/ranges (__detail::__is_subrange): Moved to
164 <bits/utility.h>.
165 (__detail::__is_subrange<subrange>): Moved to <bits/ranges_util.h>
166 (__detail::__has_tuple_element): Adjust for C++23 as per P2165R4.
167 (__detail::__tuple_or_pair): Remove as per P2165R4. Replace all
168 uses with plain tuple as per P2165R4.
169 * include/std/tuple (__cpp_lib_tuple_like): Define for C++23.
170 (__tuple_like_tag_t): Define for C++23.
171 (__tuple_cmp): Forward declare for C++23.
172 (_Tuple_impl::_Tuple_impl): Define overloads taking
173 __tuple_like_tag_t and a tuple-like type for C++23.
174 (_Tuple_impl::_M_assign): Likewise.
175 (tuple::__constructible_from_tuple_like): Define for C++23.
176 (tuple::__convertible_from_tuple_like): Define for C++23.
177 (tuple::__dangles_from_tuple_like): Define for C++23.
178 (tuple::tuple): Define overloads taking a tuple-like type for
179 C++23 as per P2165R4.
180 (tuple::__assignable_from_tuple_like): Define for C++23.
181 (tuple::__const_assignable_from_tuple_like): Define for C++23.
182 (tuple::operator=): Define overloads taking a tuple-like type
183 for C++23 as per P2165R4.
184 (tuple::__tuple_like_common_comparison_category): Define for C++23.
185 (tuple::operator<=>): Define overload taking a tuple-like type
186 for C++23 as per P2165R4.
187 (array, get): Forward declarations moved to <bits/stl_pair.h>.
188 (tuple_cat): Constrain with __tuple_like for C++23 as per P2165R4.
189 (apply): Likewise.
190 (make_from_tuple): Likewise.
191 (__tuple_like_common_reference): Define for C++23.
192 (basic_common_reference): Adjust as per P2165R4.
193 (__tuple_like_common_type): Define for C++23.
194 (common_type): Adjust as per P2165R4.
195 * include/std/unordered_map (__cpp_lib_tuple_like): Define for
196 C++23.
197 * include/std/utility (__cpp_lib_tuple_like): Define for C++23.
198 * testsuite/std/ranges/zip/1.cc (test01): Adjust to handle pair
199 and 2-tuple interchangeably.
200 (test05): New test.
201 * testsuite/20_util/pair/p2165r4.cc: New test.
202 * testsuite/20_util/tuple/p2165r4.cc: New test.
203
2042024-02-01 Patrick Palka <ppalka@redhat.com>
205
206 * include/bits/stl_pair.h (pair::_S_const_assignable): Define,
207 factored out from ...
208 (pair::operator=): ... the constraints of the const overloads.
209
2102024-02-01 Jonathan Wakely <jwakely@redhat.com>
211
212 * include/bits/version.tpl: Do not use def-file-line for each
213 macro being defined.
214 * include/bits/version.h: Regenerate.
215
2162024-02-01 Jonathan Wakely <jwakely@redhat.com>
217
218 * testsuite/25_algorithms/copy/debug/constexpr_neg.cc: Adjust
219 dg-error pattern.
220 * testsuite/25_algorithms/copy_backward/debug/constexpr_neg.cc:
221 Likewise.
222 * testsuite/25_algorithms/equal/debug/constexpr_neg.cc:
223 Likewise.
224 * testsuite/25_algorithms/lower_bound/debug/constexpr_partitioned_neg.cc:
225 Likewise.
226 * testsuite/25_algorithms/lower_bound/debug/constexpr_partitioned_pred_neg.cc:
227 Likewise.
228 * testsuite/25_algorithms/lower_bound/debug/constexpr_valid_range_neg.cc:
229 Likewise.
230 * testsuite/25_algorithms/upper_bound/debug/constexpr_partitioned_neg.cc:
231 Likewise.
232 * testsuite/25_algorithms/upper_bound/debug/constexpr_partitioned_pred_neg.cc:
233 Likewise.
234 * testsuite/25_algorithms/upper_bound/debug/constexpr_valid_range_neg.cc:
235 Likewise.
236
2372024-02-01 Jonathan Wakely <jwakely@redhat.com>
238
239 * include/experimental/internet (network_v4::to_string()):
240 Remove lambda and use of resize_and_overwrite.
241
dd3455f6
GA		 2422024-01-31 Jonathan Wakely <jwakely@redhat.com>
243
244 * acinclude.m4 (GLIBCXX_CHECK_TEXT_ENCODING): Use <xlocale.h> if
245 needed for newlocale.
246 * configure: Regenerate.
247 * src/c++26/text_encoding.cc: Use <xlocale.h>.
248
2492024-01-31 Jonathan Wakely <jwakely@redhat.com>
250 Ewan Higgs <ewan.higgs@gmail.com>
251
252 * include/bits/text_encoding-data.h: Regenerate.
253 * scripts/gen_text_encoding_data.py: Add extra_aliases dict
254 containing "ASCII".
255 * testsuite/std/text_encoding/cons.cc: Check "ascii" is known.
256
2572024-01-31 Jonathan Wakely <jwakely@redhat.com>
258
259 * doc/xml/manual/using.xml: Update tables of supported headers.
260 * doc/html/*: Regenerate.
261
2622024-01-31 Jonathan Wakely <jwakely@redhat.com>
263
264 * include/std/bitset (_Base_bitset::_M_do_to_ullong): Avoid
265 -Wshift-count-overflow warning.
266
097ddd55
GA		 2672024-01-30 Jonathan Wakely <jwakely@redhat.com>
268
269 * testsuite/std/time/clock/gps/io.cc: Fix expected result in
270 assertion and call test_format() from main.
271
f0706819
GA		 2722024-01-29 François Dumont <fdumont@gcc.gnu.org>
273
274 * doc/xml/manual/debug_mode.xml: Link against libstdc++exp.a to use
275 _GLIBCXX_DEBUG_BACKTRACE macro.
276
2a9637b2
GA		 2772024-01-24 Huanghui Nie <nnnjkk@gmail.com>
278 Théo Papadopoulo <papadopoulo@gmail.com>
279
280 * include/bits/hashtable.h (_Hahstable<>::_M_remove_bucket_begin): Remove
281 _M_before_begin check and cleanup implementation.
282
e2d1f858
GA		 2832024-01-22 Jonathan Wakely <jwakely@redhat.com>
284
285 * testsuite/std/time/clock/file/io.cc: Fix expected result in
286 assertion and call test_format() from main.
287
d9ed3ac2
GA		 2882024-01-21 Jonathan Wakely <jwakely@redhat.com>
289
290 PR libstdc++/113500
291 * include/bits/chrono_io.h (__formatter_chrono::_M_S): Fix
292 printing of subseconds with floating-point rep.
293 (__formatter_chrono::_M_format_to_ostream): Do not write
294 time_point specializations directly to the ostream.
295 (formatter<chrono::sys_time<D>, C>::parse): Do not allow an
296 empty chrono-spec if the type fails to meet the constraints for
297 writing to an ostream with operator<<.
298 * testsuite/std/time/clock/file/io.cc: Check formatting
299 non-integral times with empty chrono-specs.
300 * testsuite/std/time/clock/gps/io.cc: Likewise.
301 * testsuite/std/time/clock/utc/io.cc: Likewise.
302 * testsuite/std/time/hh_mm_ss/io.cc: Likewise.
303
3042024-01-21 Jonathan Wakely <jwakely@redhat.com>
305
306 * include/bits/chrono.h (__file_clock::from_sys)
307 (__file_clock::to_sys, __file_clock::_S_from_sys)
308 (__file_clock::_S_to_sys): Use common_type for return type.
309 * testsuite/std/time/clock/file/members.cc: Check round trip
310 conversion for time with lower precision that seconds.
311
3122024-01-21 Jonathan Wakely <jwakely@redhat.com>
313
314 PR libstdc++/113512
315 * include/std/format (__formatter_fp::format): Fix logic for
316 alternate forms.
317 * testsuite/std/format/functions/format.cc: Check buggy cases of
318 alternate forms with g presentation type.
319
11a5f26c
GA		 3202024-01-20 Marek Polacek <polacek@redhat.com>
321
322 PR c++/111410
323 * include/std/ranges: Add #pragma to disable -Wdangling-reference with
324 std::ranges::views::__adaptor::operator|.
325
c2544854
GA		 3262024-01-19 Jonathan Wakely <jwakely@redhat.com>
327
328 * include/std/format (_Spec::_M_parse_fill_and_align): Do not
329 use CTAD for _Utf32_view.
330
3312024-01-19 Jonathan Wakely <jwakely@redhat.com>
332
333 PR libstdc++/108822
334 * include/std/tuple (__glibcxx_no_dangling_refs) [C++17]: Fix
335 wrong fold-operator.
336 * testsuite/20_util/tuple/dangling_ref.cc: Check tuples with one
337 element and three elements. Check allocator-extended
338 constructors.
339
3402024-01-19 Patrick Palka <ppalka@redhat.com>
341
342 * include/precompiled/stdc++.h [_GLIBCXX_HOSTED]: Include
343 <print> and <text_encoding> for C++23 and C++26 respectively.
344
bb0f96ab
GA		 3452024-01-18 Patrick Palka <ppalka@redhat.com>
346
347 * include/bits/stl_pair.h [__cplusplus > 202002L]:
348 Guard P2321R2 changes with __glibcxx_ranges_zip instead.
349
3502024-01-18 Patrick Palka <ppalka@redhat.com>
351
352 * include/std/tuple [__cplusplus > 202002L]: Guard P2321R2
353 changes with __cpp_lib_ranges_zip instead.
354
3552024-01-18 Patrick Palka <ppalka@redhat.com>
356
357 PR libstdc++/109536
358 * include/debug/safe_base.h (_Safe_sequence_base::_M_swap):
359 Remove _GLIBCXX20_CONSTEXPR from non-inline member function.
360 * include/debug/safe_iterator.h
361 (_GLIBCXX20_CONSTEXPR_NON_LITERAL_SCOPE_BEGIN): Define.
362 (_GLIBCXX20_CONSTEXPR_NON_LITERAL_SCOPE_END): Define.
363 (_Safe_iterator::operator=): Use them around the code path that
364 defines a variable of type __gnu_cxx::__scoped_lock.
365 (_Safe_iterator::operator++): Likewise.
366 (_Safe_iterator::operator--): Likewise.
367 (_Safe_iterator::operator+=): Likewise.
368 (_Safe_iterator::operator-=): Likewise.
369 * testsuite/23_containers/vector/element_access/constexpr.cc
370 (test_iterators): Test more iterator operations.
371 * testsuite/23_containers/vector/bool/element_access/constexpr.cc
372 (test_iterators): Likewise.
373 * testsuite/std/ranges/adaptors/all.cc (test08) [_GLIBCXX_DEBUG]:
374 Remove.
375
3762024-01-18 Jonathan Wakely <jwakely@redhat.com>
377
378 * include/bits/unicode.h (__charset_alias_match): Initialize
379 __var_a and __var_b.
380
3812024-01-18 Jonathan Wakely <jwakely@redhat.com>
382
383 PR libstdc++/113450
384 * testsuite/std/format/functions/format.cc: Use signed char
385 instead of int8_t.
386
2c213ac9
GA		 3872024-01-17 Jonathan Wakely <jwakely@redhat.com>
388
389 PR libstdc++/113318
390 * acinclude.m4 (GLIBCXX_CONFIGURE): Add c++26 directory.
391 (GLIBCXX_CHECK_TEXT_ENCODING): Define.
392 * config.h.in: Regenerate.
393 * configure: Regenerate.
394 * configure.ac: Use GLIBCXX_CHECK_TEXT_ENCODING.
395 * include/Makefile.am: Add new headers.
396 * include/Makefile.in: Regenerate.
397 * include/bits/locale_classes.h (locale::encoding): Declare new
398 member function.
399 * include/bits/unicode.h (__charset_alias_match): New function.
400 * include/bits/text_encoding-data.h: New file.
401 * include/bits/version.def (text_encoding): Define.
402 * include/bits/version.h: Regenerate.
403 * include/std/text_encoding: New file.
404 * src/Makefile.am: Add new subdirectory.
405 * src/Makefile.in: Regenerate.
406 * src/c++26/Makefile.am: New file.
407 * src/c++26/Makefile.in: New file.
408 * src/c++26/text_encoding.cc: New file.
409 * src/experimental/Makefile.am: Include c++26 convenience
410 library.
411 * src/experimental/Makefile.in: Regenerate.
412 * python/libstdcxx/v6/printers.py (StdTextEncodingPrinter): New
413 printer.
414 * scripts/gen_text_encoding_data.py: New file.
415 * testsuite/22_locale/locale/encoding.cc: New test.
416 * testsuite/ext/unicode/charset_alias_match.cc: New test.
417 * testsuite/std/text_encoding/cons.cc: New test.
418 * testsuite/std/text_encoding/members.cc: New test.
419 * testsuite/std/text_encoding/requirements.cc: New test.
420
4212024-01-17 Jonathan Wakely <jwakely@redhat.com>
422
423 * include/bits/unicode.h (_Grapheme_cluster_view): Require view.
424 Do not use CTAD for _Utf32_view.
425 (__format_width, __truncate): Do not use CTAD.
426 (enable_borrowed_range<_Utf_view<T, R>>): Define specialization.
427 (enable_borrowed_range<_Grapheme_cluster_view<R>>): Likewise.
428
4292024-01-17 Patrick Palka <ppalka@redhat.com>
430
431 * include/std/ranges (views::_CartesianProduct::operator()):
432 Adjust identity case as per P2540R1.
433 * testsuite/std/ranges/cartesian_product/1.cc (test01):
434 Adjust expected result of the identity case.
435
be035ec4
GA		 4362024-01-15 Patrick Palka <ppalka@redhat.com>
437
438 * include/std/variant (__detail::__variant::_Variadic_union):
439 Add bool __trivially_destructible template parameter.
440 (__detail::__variant::_Variadic_union::~_Variadic_union):
441 Use __trivially_destructible in constraints instead.
442 (__detail::__variant::_Variant_storage): Pass
443 __trivially_destructible value to _Variadic_union.
444
4452024-01-15 Patrick Palka <ppalka@redhat.com>
446
447 * include/bits/stl_iterator.h (const_iterator): Define conversion
448 operators as per P2836R1.
449 * include/bits/version.def (ranges_as_const): Update value.
450 * include/bits/version.h: Regenerate.
451 * testsuite/24_iterators/const_iterator/1.cc (test04): New test.
452 * testsuite/std/ranges/adaptors/as_const/1.cc: Adjust expected
453 value of __cpp_lib_ranges_as_const.
454 * testsuite/std/ranges/version_c++23.cc: Likewise.
455
4562024-01-15 Jonathan Wakely <jwakely@redhat.com>
457
458 PR libstdc++/108822
459 * include/std/tuple (__assignable, __is_nothrow_assignable):
460 Move pre-C++20 definitions adjacent to their use.
461
4622024-01-15 Jonathan Wakely <jwakely@redhat.com>
463
464 PR testsuite/113366
465 * include/std/format (basic_format_arg): Use __formattable
466 variable template instead of __format::__formattable_with
467 concept.
468
4692024-01-15 Jonathan Wakely <jwakely@redhat.com>
470
471 * src/c++20/tzdata.zi: Import new file from 2023d release.
472 * src/c++20/tzdb.cc (tzdb_list::_Node::_S_read_leap_seconds)
473 Update expiry date for leap seconds list.
474
ed5bf208
GA		 4752024-01-13 Jonathan Wakely <jwakely@redhat.com>
476
477 PR libstdc++/108822
478 * include/std/tuple (tuple): Add checks for dangling references.
479 Reimplement constraints and constant expressions using C++20
480 features.
481 * include/std/type_traits [C++20]
482 (__is_implicitly_default_constructible_v): Define.
483 (__is_implicitly_default_constructible): Use variable template.
484 * testsuite/20_util/tuple/dangling_ref.cc: New test.
485
4862024-01-13 Patrick Palka <ppalka@redhat.com>
487
488 PR libstdc++/108827
489 PR libstdc++/111327
490 * include/bits/version.def (bind_back): Define.
491 * include/bits/version.h: Regenerate.
492 * include/std/functional (_Bind_back): Define for C++23.
493 (bind_back): Likewise.
494 * testsuite/20_util/function_objects/bind_back/1.cc: New test
495 (adapted from corresponding bind_front test).
496 * testsuite/20_util/function_objects/bind_back/111327.cc: Likewise.
497
4982024-01-13 Patrick Palka <ppalka@redhat.com>
499
500 * include/std/functional (_Bind_front): Remove =default special
501 member function declarations.
502 (_Bind_front::operator()): Implement using C++23 deducing this
503 when available.
504 * testsuite/20_util/function_objects/bind_front/111327.cc:
505 Adjust testcase to expect better errors in C++23 mode.
506
5072024-01-13 Patrick Palka <ppalka@redhat.com>
508
509 * include/std/ranges (views::__adaptor::operator|): Perform
510 perfect forwarding of arguments.
511 (views::__adaptor::_RangeAdaptor::operator()): Pass dummy
512 first argument to _Partial.
513 (views::__adaptor::_Partial::_Partial): Likewise. Add dummy
514 first parameter.
515 (views::__adaptor::_Pipe::_Pipe): Perform perfect forwarding
516 of arguments.
517 (to): Pass dummy first argument to _Partial.
518
444a31f3
GA		 5192024-01-13 Jonathan Wakely <jwakely@redhat.com>
520
521 PR libstdc++/107466
522 * include/bits/random.tcc (subtract_with_carry_engine::seed):
523 Implement proposed resolution of LWG 4014.
524 * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error
525 line number.
526 * testsuite/26_numerics/random/subtract_with_carry_engine/cons/lwg3809.cc:
527 Check for expected result of 64-bit engine with seed that
528 doesn't fit in 32-bits.
529
5302024-01-12 Jonathan Wakely <jwakely@redhat.com>
531
532 PR libstdc++/113320
533 * include/std/format (__format::_Runtime_format_string): Add
534 constructor and disable copy operations.
535 (basic_format_string(_Runtime_format_string)): Add noexcept and
536 take parameter by value not rvalue reference.
537 (runtime_format): Add noexcept.
538 * testsuite/std/format/runtime_format.cc: Check noexcept. Check
539 that construction is only possible from prvalues, not xvalues.
540
5412024-01-12 Jonathan Wakely <jwakely@redhat.com>
542
543 PR libstdc++/105505
544 * include/bits/stl_pair.h (pair::pair(U1&&, U2&&)) [C++23]: Add
545 default template arguments, as per P1951R1.
546 * testsuite/20_util/pair/cons/default_tmpl_args.cc: New test.
547
5482024-01-12 Jonathan Wakely <jwakely@redhat.com>
549
550 * include/std/format (__format::_Arg_store): Fix PR number in
551 comment. Simplify preprocessor code.
552
1a80e955
GA		 5532024-01-11 Jonathan Wakely <jwakely@redhat.com>
554
555 * doc/xml/manual/evolution.xml: Fix spelling.
556 * doc/html/manual/api.html: Regenerate.
557
5582024-01-11 Jonathan Wakely <jwakely@redhat.com>
559
560 * doc/xml/manual/evolution.xml: Document addition of
561 libstdc++exp.a.
562 * doc/html/*: Regenerate.
563
5642024-01-11 Marcus Haehnel <marcus.haehnel@kernkonzept.com>
565
566 * libsupc++/eh_unex_handler.cc: Adjust definition type to
567 declaration.
568
5692024-01-11 Michael Levine <mlevine55@bloomberg.net>
570
571 * include/std/ranges (__glibcxx_want_ranges_iota): Remove
572 duplicate definition.
573
5742024-01-11 François Dumont <fdumont@gcc.gnu.org>
575
576 PR libstdc++/112477
577 * src/c++11/debug.cc
578 (_Safe_iterator_base::_M_attach): Reset _M_version to 0 if attaching to null
579 sequence.
580 (_Safe_iterator_base::_M_attach_single): Likewise.
581 (_Safe_local_iterator_base::_M_attach): Likewise.
582 (_Safe_local_iterator_base::_M_attach_single): Likewise.
583 * testsuite/23_containers/map/debug/112477.cc: New test case.
584
5852024-01-11 Patrick Palka <ppalka@redhat.com>
586
587 * include/bits/move.h (__like_t): Define in C++23 mode.
588 * include/std/ranges (views::__adaptor::Partial::operator()):
589 Implement using C++23 deducing this when available.
590 (views::__adaptor::_Pipe::operator()): Likewise.
591 * testsuite/std/ranges/adaptors/100577.cc: Adjust testcase to
592 accept new "no match for call" errors issued in C++23 mode.
593 * testsuite/std/ranges/adaptors/lazy_split_neg.cc: Likewise.
594
5952024-01-11 Jonathan Wakely <jwakely@redhat.com>
596
597 * python/libstdcxx/v6/printers.py (StdIntegralConstantPrinter):
598 Add printer for std::integral_constant.
599 * testsuite/libstdc++-prettyprinters/cxx11.cc: Test it.
600
6012024-01-11 Jonathan Wakely <jwakely@redhat.com>
602
603 PR libstdc++/113258
604 * libsupc++/new_opa.cc: Prefer to use posix_memalign if
605 available.
606
6072024-01-11 Ken Matsui <kmatsui@gcc.gnu.org>
608
609 * src/filesystem/ops-common.h (stat_type): Use using.
610
6112024-01-11 Ken Matsui <kmatsui@gcc.gnu.org>
612
613 PR libstdc++/113250
614 * src/c++17/fs_ops.cc (fs::equivalent): Use || instead of &&.
615 * src/filesystem/ops.cc (fs::equivalent): Likewise.
616 * testsuite/27_io/filesystem/operations/equivalent.cc: Handle
617 error codes.
618 * testsuite/experimental/filesystem/operations/equivalent.cc:
619 Likewise.
620
6212024-01-11 Ken Matsui <kmatsui@gcc.gnu.org>
622
623 * include/std/type_traits (is_compound): Do not use __not_.
624 (is_compound_v): Use is_fundamental_v instead.
625
45af8962
GA		 6262024-01-11 Patrick Palka <ppalka@redhat.com>
627
628 * include/bits/utility.h (_Nth_type): Use
629 _GLIBCXX_USE_BUILTIN_TRAIT instead of __has_builtin.
630
73ce73fc
GA		 6312024-01-09 Jonathan Wakely <jwakely@redhat.com>
632
633 * include/bits/unicode-data.h: Regenerate.
634 * include/bits/unicode.h (_Utf_iterator::operator++()): Fix off
635 by one error.
636 (__incb_property): Add missing check for values before the
637 first edge.
638 (__is_extended_pictographic): Invert return values to fix
639 copy&pasted logic.
640 (_Grapheme_cluster_view::_Iterator): Remove second iterator
641 member and find end of cluster lazily.
642 * testsuite/ext/unicode/grapheme_view.cc: New test.
643 * testsuite/ext/unicode/properties.cc: New test.
644 * testsuite/ext/unicode/view.cc: New test.
645
6462024-01-09 Andreas Schwab <schwab@linux-m68k.org>
647
648 * scripts/extract_symvers.in: Require final colon to only match
649 .dsynsym in the header of the dynamic symtab.
650
6512024-01-09 Jonathan Wakely <jwakely@redhat.com>
652
653 * include/bits/chrono_io.h (__formatter_chrono::_M_F): Simplify
654 handling of string returned from std::format.
655 (__formatter_chrono::_M_R_T): Likewise.
656
6b1d6a2d
GA		 6572024-01-08 Jonathan Wakely <jwakely@redhat.com>
658
659 * include/bits/unicode.h (__null_sentinel): Remove.
660 * testsuite/17_intro/names.cc: Add __null_sentinel.
661
6622024-01-08 Jonathan Wakely <jwakely@redhat.com>
663
664 * include/std/format (__format::_Runtime_format_string): Define
665 new class template.
666 (basic_format_string): Add non-consteval constructor for runtime
667 format strings.
668 (runtime_format): Define new function for C++26.
669 * testsuite/std/format/runtime_format.cc: New test.
670
6712024-01-08 Jonathan Wakely <jwakely@redhat.com>
672
673 * include/bits/chrono_io.h (__formatter_chrono): Always use
674 lvalue arguments to make_format_args.
675 * include/std/format (make_format_args): Change parameter pack
676 from forwarding references to lvalue references. Remove use of
677 remove_reference_t which is now unnecessary.
678 (format_to, formatted_size): Remove incorrect forwarding of
679 arguments.
680 * include/std/ostream (print): Remove forwarding of arguments.
681 * include/std/print (print): Likewise.
682 * testsuite/20_util/duration/io.cc: Use lvalues as arguments to
683 make_format_args.
684 * testsuite/std/format/arguments/args.cc: Likewise.
685 * testsuite/std/format/arguments/lwg3810.cc: Likewise.
686 * testsuite/std/format/functions/format.cc: Likewise.
687 * testsuite/std/format/functions/vformat_to.cc: Likewise.
688 * testsuite/std/format/string.cc: Likewise.
689 * testsuite/std/time/day/io.cc: Likewise.
690 * testsuite/std/time/month/io.cc: Likewise.
691 * testsuite/std/time/weekday/io.cc: Likewise.
692 * testsuite/std/time/year/io.cc: Likewise.
693 * testsuite/std/time/year_month_day/io.cc: Likewise.
694 * testsuite/std/format/arguments/args_neg.cc: New test.
695
6962024-01-08 Jonathan Wakely <jwakely@redhat.com>
697
698 * include/Makefile.am: Add new headers.
699 * include/Makefile.in: Regenerate.
700 * include/bits/unicode.h: New file.
701 * include/bits/unicode-data.h: New file.
702 * include/std/format: Include <bits/unicode.h>.
703 (__literal_encoding_is_utf8): Move to <bits/unicode.h>.
704 (_Spec::_M_fill): Change type to char32_t.
705 (_Spec::_M_parse_fill_and_align): Read a Unicode scalar value
706 instead of a single character.
707 (__write_padded): Change __fill_char parameter to char32_t and
708 encode it into the output.
709 (__formatter_str::format): Use new __unicode::__field_width and
710 __unicode::__truncate functions.
711 * include/std/ostream: Adjust namespace qualification for
712 __literal_encoding_is_utf8.
713 * include/std/print: Likewise.
714 * src/c++23/print.cc: Add [[unlikely]] attribute to error path.
715 * testsuite/ext/unicode/view.cc: New test.
716 * testsuite/std/format/functions/format.cc: Add missing examples
717 from the standard demonstrating alignment with non-ASCII
718 characters. Add examples checking correct handling of extended
719 grapheme clusters.
720
7212024-01-08 Jonathan Wakely <jwakely@redhat.com>
722
723 * include/bits/version.def (format_uchar): Define.
724 * include/bits/version.h: Regenerate.
725 * include/std/format (formatter<C, C>::format): Check for
726 _Pres_c and call _M_format_character directly. Cast C to its
727 unsigned equivalent for formatting as an integer.
728 (formatter<char, wchar_t>::format): Likewise.
729 (basic_format_arg(T&)): Store char arguments as unsigned char
730 for formatting to a wide string.
731 * testsuite/std/format/functions/format.cc: Adjust test. Check
732 formatting of
733
59e0c218
GA		 7342024-01-07 Jonathan Wakely <jwakely@redhat.com>
735
736 PR libstdc++/112997
737 * libsupc++/unwind-cxx.h (__cxa_call_terminate): Change first
738 parameter to void*.
739
7402024-01-07 Jonathan Wakely <jwakely@redhat.com>
741
742 * testsuite/20_util/variant/87619.cc: Remove dg-timeout-factor.
743
7442024-01-07 Jonathan Wakely <jwakely@redhat.com>
745
746 * include/std/type_traits (is_trivially_destructible_v): Use
747 built-in directly when concepts are supported.
748 * testsuite/20_util/is_trivially_destructible/value_v.cc: New
749 test.
750
b368d799
GA		 7512024-01-06 Gwenole Beauchesne <gb.devel@gmail.com>
752
753 * testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Use
754 nonnull arguments to strtoimax() and wcstoimax() functions.
755
f38103f5
GA		 7562024-01-05 Jonathan Wakely <jwakely@redhat.com>
757
758 * src/c++17/fs_path.cc (path::_List::reserve): Limit maximum
759 size and check for overflows in arithmetic.
760 (path::operator/=(const path&)): Remove redundant exponential
761 growth calculation.
762
7632024-01-05 Martin Küttler <martin.kuettler@kernkonzept.com>
764
765 * src/c++17/fs_path.cc (path::_List::reserve): Avoid
766 floating-point arithmetic.
767
7682024-01-05 Jonathan Wakely <jwakely@redhat.com>
769
770 PR libstdc++/113241
771 * include/std/type_traits (is_convertible_v): Guard use of
772 built-in with preprocessor check.
773
7742024-01-05 Jonathan Wakely <jwakely@redhat.com>
775
776 PR libstdc++/113200
777 * include/bits/char_traits.h (__gnu_cxx::char_traits::move): Use
778 __builtin_constant_p to check for unrelated pointers that cannot
779 be compared during constant evaluation.
780 * testsuite/21_strings/char_traits/requirements/113200.cc: New
781 test.
782
7832024-01-05 Cassio Neri <cassio.neri@gmail.com>
784
785 * include/std/chrono: Fix + and - for months and weekdays.
786 * testsuite/std/time/month/1.cc: Add constexpr tests against overflow.
787 * testsuite/std/time/month/2.cc: New test for extreme values.
788 * testsuite/std/time/weekday/1.cc: Add constexpr tests against overflow.
789 * testsuite/std/time/weekday/2.cc: New test for extreme values.
790
7912024-01-05 Jonathan Wakely <jwakely@redhat.com>
792
793 PR libstdc++/113099
794 * include/bits/locale_classes.tcc (__try_use_facet): Use
795 if-constexpr for C++11 and up.
796
81d1a6e9
GA		 7972024-01-05 Ken Matsui <kmatsui@gcc.gnu.org>
798
799 * include/std/type_traits: Use _GLIBCXX_USE_BUILTIN_TRAIT.
800
8012024-01-04 Arsen Arsenović <arsen@aarsen.me>
802
803 * include/std/generator (_Subyield_state::_M_jump_in): Fix typo
804 reported by Will Hawkins <hawkinsw@obs.cr>.
805
8062024-01-04 Arsen Arsenović <arsen@aarsen.me>
807
808 * include/std/generator (_Stateless_alloc): Rename typename _A
809 to _All.
810
eb84e8d3
GA		 8112024-01-03 Patrick Palka <ppalka@redhat.com>
812
813 PR testsuite/113175
814 * testsuite/std/ranges/iota/max_size_type.cc (test02): Reduce
815 'limit' to 100 from 1000 and adjust 'log2_limit' accordingly.
816 (test03): Likewise.
817
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