1 2023-09-08 Jonathan Wakely <jwakely@redhat.com>
3 * acinclude.m4 (GLIBCXX_CONFIGURE): Add c++23 directory.
4 * configure: Regenerate.
5 * doc/html/manual/*: Regenerate.
6 * doc/xml/manual/using.xml: Update documentation on linking.
7 * include/std/stacktrace: Remove declarations of libbacktrace
9 (stacktrace_entry::_S_err_handler, stacktrace_entry::_S_init):
11 (stacktrace_entry::_Info): New class.
12 (stacktrace_entry::_M_get_info): Use _Info.
13 (__stacktrace_impl): New class.
14 (basic_stacktrace): Derive from __stacktrace_impl.
15 (basic_stacktrace::current): Use __stacktrace_impl::_S_current.
16 * scripts/testsuite_flags.in: Adjust LDFLAGS to find
17 libstdc++exp instead of libstdc++_libbacktrace.
18 * src/Makefile.am (SUBDIRS): Add c++23 directory.
19 * src/Makefile.in: Regenerate.
20 * src/c++20/Makefile.am: Fix comment.
21 * src/c++20/Makefile.in: Regenerate.
22 * src/c++23/Makefile.am: New file.
23 * src/c++23/Makefile.in: New file.
24 * src/c++23/stacktrace.cc: New file with definitions of
25 stacktrace_entry::_Info and __stacktrace_impl members.
26 * src/experimental/Makefile.am: Use LIBADD to include other
28 * src/experimental/Makefile.in: Regenerate.
29 * src/libbacktrace/Makefile.am: Use noinst_LTLIBRARIES.
30 * src/libbacktrace/Makefile.in: Regenerate.
31 * testsuite/19_diagnostics/stacktrace/current.cc: Adjust
32 dg-options to use -lstdc++exp.
33 * testsuite/19_diagnostics/stacktrace/entry.cc: Likewise.
34 * testsuite/19_diagnostics/stacktrace/stacktrace.cc: Likewise.
35 * testsuite/23_containers/vector/debug/assign4_backtrace_neg.cc:
38 2023-09-08 Alexey Lapshin <alexey.lapshin@espressif.com>
40 * src/libbacktrace/Makefile.am: Remove -Werror.
41 * src/libbacktrace/Makefile.in: Regenerate.
43 2023-09-08 Jonathan Wakely <jwakely@redhat.com>
45 * testsuite/Makefile.am (check-DEJAGNU): Use @ in recipe.
46 * testsuite/Makefile.in: Regenerate.
48 2023-09-08 Yang Yujie <yangyujie@loongson.cn>
50 * configure.host: Register t-loongarch in tmake_file.
51 * config/cpu/loongarch/t-loongarch: New file. Manually refresh
52 MULTISUBDIR with $(shell $(CXX) --print-multi-directory).
54 2023-09-07 Bruno Victal <mirai@makinata.eu>
56 * acinclude.m4: Update docbook xsl URI.
57 * configure: Regenerate.
59 2023-09-07 Bruno Victal <mirai@makinata.eu>
61 * doc/Makefile.am: Fix 'doc-install-info' rule.
63 * doc/Makefile.in: Regenerate.
65 2023-09-07 Jonathan Wakely <jwakely@redhat.com>
67 * testsuite/27_io/filesystem/path/concat/94063.cc: Simplify
68 dg-do target selector.
70 2023-09-07 Jonathan Wakely <jwakely@redhat.com>
72 * testsuite/config/default.exp: Remove trailing whitespace.
73 * testsuite/lib/dg-options.exp: Likewise.
74 * testsuite/lib/prune.exp: Likewise.
75 * testsuite/libstdc++-abi/abi.exp: Likewise.
76 * testsuite/libstdc++-dg/conformance.exp: Likewise.
77 * testsuite/libstdc++-prettyprinters/prettyprinters.exp:
79 * testsuite/libstdc++-xmethods/xmethods.exp: Likewise.
80 * testsuite/lib/libstdc++.exp: Likewise.
81 (check_v3_target_c_std): Fix filename for temporary source file.
83 2023-09-07 Jonathan Wakely <jwakely@redhat.com>
85 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for mkdir,
86 chmod, chdir, and getcwd.
87 * config.h.in: Regenerate.
88 * configure: Regenerate.
89 * src/c++17/fs_ops.cc (create_dir): Use USE_MKDIR macro.
90 (fs::current_path): Use USE_GETCWD and USE_CHDIR macros.
91 (fs::permissions): Use USE_CHMOD macro.
92 * src/filesystem/ops-common.h [FILESYSTEM_IS_WINDOWS]
93 (chmod, mkdir, getcwd, chdir): Define new macros.
94 [FILESYSTEM_IS_WINDOWS] (chmod, mkdir, getcwd, chdir): Use
96 * src/filesystem/ops.cc (create_dir): Use USE_MKDIR macro.
97 (fs::current_path): Use USE_GETCWD and USE_CHDIR macros.
98 (fs::permissions): Use USE_CHMOD macro.
100 2023-09-07 Jonathan Wakely <jwakely@redhat.com>
102 * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Disable by default
104 * configure: Regenerate.
106 2023-09-07 Jonathan Wakely <jwakely@redhat.com>
108 * testsuite/23_containers/unordered_map/operations/1.cc: Add
109 dg-options for C++20 mode.
110 * testsuite/23_containers/unordered_multimap/operations/1.cc:
112 * testsuite/23_containers/unordered_multiset/operations/1.cc:
114 * testsuite/23_containers/unordered_set/operations/1.cc:
116 * testsuite/std/time/parse.cc: Move dg-options before dg-do.
118 2023-09-07 Jonathan Wakely <jwakely@redhat.com>
120 * testsuite/std/ranges/access/cbegin.cc: Adjust for C++23
122 * testsuite/std/ranges/access/cdata.cc: Likewise.
123 * testsuite/std/ranges/access/cend.cc: Likewise.
124 * testsuite/std/ranges/access/crbegin.cc: Likewise.
125 * testsuite/std/ranges/access/crend.cc: Likewise.
126 * testsuite/std/ranges/adaptors/take.cc: Likewise.
127 * testsuite/std/ranges/adaptors/take_while.cc: Likewise.
128 * testsuite/std/ranges/adaptors/transform.cc: Likewise.
130 2023-09-07 Jonathan Wakely <jwakely@redhat.com>
132 * include/bits/iterator_concepts.h (__imove::iter_move): Define
133 poison pill as deleted for consistency.
134 (__access::begin): Replace with a single declaration.
135 * include/bits/ranges_base.h (__access::end, __access::rbegin)
136 (__access::rend, __access::size): Likewise.
137 * include/bits/version.def (ranges): Update value for C++23.
138 * include/bits/version.h: Regenerate.
139 * libsupc++/compare (__compare): Add missing poison pill
141 * testsuite/std/ranges/version_c++23.cc: Adjust expected value
143 * testsuite/std/ranges/access/p2602.cc: New test.
145 2023-09-07 Jonathan Wakely <jwakely@redhat.com>
147 * include/bits/iterator_concepts.h (ranges::__cust_imove):
148 Rename to ranges::__imove.
149 (_IMove): Rename to _IterMove.
150 (ranges::__cust_iswap): Rename to ranges::__iswap.
151 (ranges::__cust): Rename to ranges::_Cpo.
152 (ranges::__cust_access): Rename to ranges::__access.
153 * include/bits/ranges_base.h (ranges::__cust_access): Rename to
155 (ranges::__cust): Rename to ranges::_Cpo.
156 * include/std/concepts (ranges::__cust_swap): Rename to
158 (ranges::__cust): Rename to ranges::_Cpo.
159 * libsupc++/compare (__cmp_cust): Rename to __compare.
160 (__cmp_algo): Rename to _Cpo.
162 2023-09-07 Jonathan Wakely <jwakely@redhat.com>
164 * include/bits/version.def (ranges): Update value.
165 * include/bits/version.h: Regenerate.
166 * include/std/ranges (__detail::__boxable): Use
167 move_constructible instead of copy_constructible for C++23.
168 (__detail::__box<T>): Adjust constraints for partial
170 (single_view, transform_view): Use __box_constructible instead
171 of copy_constructible in constraints.
172 (zip_transform_view, adjacent_transform_view, repeat_view): Use
173 move_constructible instead of copy_constructible in constraints.
174 * testsuite/std/ranges/adaptors/adjacent_transform/1.cc: Check
175 construction from move-only argument.
176 * testsuite/std/ranges/adaptors/transform.cc: Likewise.
177 * testsuite/std/ranges/repeat/1.cc: Likewise.
178 * testsuite/std/ranges/single_view.cc: Likewise.
179 * testsuite/std/ranges/zip_transform/1.cc: Likewise.
180 * testsuite/std/ranges/version_c++23.cc: Adjust expected value
183 2023-09-07 Jonathan Wakely <jwakely@redhat.com>
185 * testsuite/util/testsuite_iterators.h (is_customization_point_object):
186 Remove parameter name.
188 2023-09-06 Jonathan Wakely <jwakely@redhat.com>
190 * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Disable by default
192 * configure: Regenerate.
194 2023-09-04 Christophe Lyon <christophe.lyon@linaro.org>
197 2023-09-04 Christophe Lyon <christophe.lyon@linaro.org>
200 * configure: Regenerate.
201 * configure.ac: Call GLIBCXX_CHECK_LINKER_FEATURES in cross,
204 2023-09-04 Christophe Lyon <christophe.lyon@linaro.org>
207 * configure: Regenerate.
208 * configure.ac: Call GLIBCXX_CHECK_LINKER_FEATURES in cross,
211 2023-09-04 Jonathan Wakely <jwakely@redhat.com>
213 * testsuite/26_numerics/complex/literals/types.cc: Remove
214 dg-options and add target selector instead.
216 2023-09-04 Jonathan Wakely <jwakely@redhat.com>
218 * testsuite/tr1/6_containers/utility/pair.cc: Remove dg-options
219 and qualify ambiguous calls to get.
220 * testsuite/tr1/8_c_compatibility/cmath/pow_cmath.cc: Adjust
221 expected result for std::pow(float, int) as per DR 550.
223 2023-09-04 Jonathan Wakely <jwakely@redhat.com>
225 * testsuite/20_util/auto_ptr/1.cc: Remove dg-options -std=c++03
226 and add dg-warning for deprecation warnings.
227 * testsuite/20_util/auto_ptr/2.cc: Likewise.
228 * testsuite/20_util/auto_ptr/3.cc: Likewise.
229 * testsuite/20_util/auto_ptr/3946.cc: Likewise.
230 * testsuite/20_util/auto_ptr/4.cc: Likewise.
231 * testsuite/20_util/auto_ptr/5.cc: Likewise.
232 * testsuite/20_util/auto_ptr/6.cc: Likewise.
233 * testsuite/20_util/auto_ptr/7.cc: Likewise.
234 * testsuite/20_util/auto_ptr/assign_neg.cc: Likewise.
235 * testsuite/20_util/auto_ptr/requirements/explicit_instantiation/1.cc:
237 * testsuite/tr1/2_general_utilities/shared_ptr/assign/auto_ptr.cc:
239 * testsuite/tr1/2_general_utilities/shared_ptr/assign/auto_ptr_neg.cc:
241 * testsuite/tr1/2_general_utilities/shared_ptr/assign/auto_ptr_rvalue_neg.cc:
243 * testsuite/tr1/2_general_utilities/shared_ptr/cons/43820_neg.cc:
245 * testsuite/tr1/2_general_utilities/shared_ptr/cons/auto_ptr.cc:
247 * testsuite/tr1/2_general_utilities/shared_ptr/cons/auto_ptr_neg.cc:
250 2023-09-04 Jonathan Wakely <jwakely@redhat.com>
253 * testsuite/23_containers/vector/26412-1.cc: Moved to...
254 * testsuite/23_containers/vector/26142-1.cc: ...here.
255 * testsuite/23_containers/vector/26412-2.cc: Moved to...
256 * testsuite/23_containers/vector/26142-2.cc: ...here.
258 2023-09-04 Jonathan Wakely <jwakely@redhat.com>
260 * testsuite/20_util/bitset/107037.cc: Add c++98_only selector.
261 * testsuite/26_numerics/complex/56111.cc: Likewise.
263 2023-09-04 Jonathan Wakely <jwakely@redhat.com>
265 * testsuite/23_containers/deque/requirements/explicit_instantiation/2.cc:
266 Add dg-options to restrict the test to C++98 mode.
267 * testsuite/23_containers/list/requirements/explicit_instantiation/2.cc:
270 2023-09-04 Jonathan Wakely <jwakely@redhat.com>
272 * testsuite/20_util/expected/bad.cc: Add missing target
275 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
277 * testsuite/25_algorithms/copy/debug/constexpr_neg.cc: Adjust
279 * testsuite/25_algorithms/equal/debug/constexpr_neg.cc:
282 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
284 * testsuite/27_io/filesystem/iterators/91067.cc: Add
285 -Wno-self-move to options.
286 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
288 2023-09-01 Vladimir Palevich <palevichva@gmail.com>
291 * include/bits/vector.tcc (_M_realloc_insert): End guard
292 lifetime just before assignment to class members.
293 (_M_default_append): Likewise.
295 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
297 * src/c++17/fs_ops.cc (fs::absolute) [FILESYSTEM_IS_WINDOWS]:
298 Use __resize_and_overwrite to fill buffer.
299 (fs::read_symlink) [HAVE_READLINK]: Likewise.
300 * src/filesystem/ops-common.h (get_temp_directory_from_env)
301 [FILESYSTEM_IS_WINDOWS]: Likewise.
303 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
306 * include/bits/atomic_base.h (__atomic_impl::__compare_exchange):
307 Add _AtomicRef non-type template parameter and use a loop if it
309 (__atomic_impl::compare_exchange_weak): Add _AtomicRef NTTP.
310 (__atomic_impl::compare_exchange_strong): Likewise.
311 (atomic_ref::compare_exchange_weak): Use true for NTTP.
312 (atomic_ref::compare_exchange_strong): Use true for NTTP.
313 * testsuite/29_atomics/atomic_ref/compare_exchange_padding.cc:
314 Fix test to not rely on atomic_ref::load() to return an object
315 with padding preserved.
317 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
319 * testsuite/27_io/filesystem/path/108636.cc: Add dg-require for
322 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
324 * src/c++20/tzdb.cc (tzdb::current_zone): Check configure macros
325 for POSIX readlink before using filesystem::read_symlink.
327 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
329 * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Default to yes.
330 * configure: Regenerate.
332 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
334 * include/bits/chrono_io.h (_Parser::operator()): Set failbit
335 early if invalid values are read when _M_need & _TimeOfDay is
337 * testsuite/std/time/parse.cc: Check that "25:59" cannot be
340 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
343 * include/bits/chrono_io.h (_Parser::Operator()): Check %C
344 values are in range of year::min() to year::max().
345 * testsuite/std/time/parse.cc: Check out of range centuries.
347 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
349 * include/std/format (__format::_Sink::_M_reset): Change second
350 argument from iterator to offset.
352 2023-08-24 Paul Dreik <gccpatches@pauldreik.se>
355 * testsuite/std/format/string.cc: Check wide character format
356 strings with out-of-range widths.
358 2023-08-24 Paul Dreik <gccpatches@pauldreik.se>
361 * include/std/format (__format::__parse_integer): Check for
364 2023-08-24 Jonathan Wakely <jwakely@redhat.com>
366 * testsuite/std/format/functions/format_to.cc: Avoid warning for
369 2023-08-24 Jonathan Wakely <jwakely@redhat.com>
371 * include/std/atomic: Add comment to #ifdef and fix indentation.
372 * include/std/ostream: Check __glibcxx_syncbuf instead of
373 __cplusplus and _GLIBCXX_HOSTED.
374 * include/std/thread: Add comment to #ifdef.
376 2023-08-24 Jonathan Wakely <jwakely@redhat.com>
378 * include/bits/version.def (__cpp_lib_ratio): Define.
379 * include/bits/version.h: Regenerate.
380 * include/std/ratio (quecto, ronto, yocto, zepto)
381 (zetta, yotta, ronna, quetta): Define.
382 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Adjust
383 dg-error line numbers.
385 2023-08-24 Jonathan Wakely <jwakely@redhat.com>
387 * python/libstdcxx/v6/printers.py (StdLocalePrinter): New
389 * testsuite/libstdc++-prettyprinters/locale.cc: New test.
391 2023-08-24 Jonathan Wakely <jwakely@redhat.com>
394 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Do
395 not show template arguments.
396 (StdVariantPrinter): Likewise.
397 * testsuite/libstdc++-prettyprinters/compat.cc: Adjust expected
399 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
400 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
402 2023-08-23 François Dumont <fdumont@gcc.gnu.org>
404 * testsuite/util/replacement_memory_operators.h
405 (counter::scope): New, capture and reset counter count at construction and
406 restore it at destruction.
407 (counter::check_new): Add scope instantiation.
408 * testsuite/23_containers/unordered_map/96088.cc (main):
409 Add counter::scope instantiation.
410 * testsuite/23_containers/unordered_multimap/96088.cc (main): Likewise.
411 * testsuite/23_containers/unordered_multiset/96088.cc (main): Likewise.
412 * testsuite/23_containers/unordered_set/96088.cc (main): Likewise.
413 * testsuite/ext/malloc_allocator/deallocate_local.cc (main): Likewise.
414 * testsuite/ext/new_allocator/deallocate_local.cc (main): Likewise.
415 * testsuite/ext/throw_allocator/deallocate_local.cc (main): Likewise.
416 * testsuite/ext/pool_allocator/allocate_chunk.cc (started): New global.
417 (operator new(size_t)): Check started.
418 (main): Set/Unset started.
419 * testsuite/17_intro/no_library_allocation.cc: New test case.
421 2023-08-21 Jonathan Wakely <jwakely@redhat.com>
423 * testsuite/18_support/nested_exception/rethrow_if_nested-term.cc:
424 Call std::set_terminate before throwing the nested exception.
426 2023-08-18 Jonathan Wakely <jwakely@redhat.com>
429 * include/std/format (formatter): Only define specializations
430 for 16-bit floating-point types for C++23.
431 * include/std/limits (numeric_limits): Likewise.
433 2023-08-18 Jonathan Wakely <jwakely@redhat.com>
435 * include/bits/chrono_io.h (operator<<): Make uses of wide
436 strings with streams and std::format type-dependent on _CharT.
437 * include/std/format [!_GLIBCXX_USE_WCHAR_T] Do not use
438 __to_wstring_numeric.
440 2023-08-18 Jonathan Wakely <jwakely@redhat.com>
442 * include/bits/chrono_io.h (operator<<): Use __format_context.
443 * include/std/format (__format::__format_context): New alias
445 [!_GLIBCXX_USE_WCHAR_T] (wformat_args, make_wformat_arg):
448 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
451 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
453 * config/locale/generic/c_locale.cc (__convert_to_v): Reuse
454 double overload for long double if possible.
456 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
458 * src/c++20/tzdb.cc (tzdata_file, leaps_file): Change type to
461 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
463 * config/locale/generic/c_locale.cc (__convert_to_v): Reuse
464 double overload for long double if possible.
466 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
468 * src/c++98/localename.cc (is_C_locale): New function.
469 (locale::locale(const char*)): Use is_C_locale.
471 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
474 * include/bits/basic_string.h (basic_string::assign(Iter, Iter)):
475 Dispatch to _M_replace or move assignment from a temporary,
476 based on the iterator type.
478 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
480 * include/std/format (formatter): Add partial specializations
481 for extended floating-point types.
482 * testsuite/std/format/functions/format.cc: Move test_float128()
484 * testsuite/std/format/formatter/ext_float.cc: New test.
486 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
488 * include/bits/c++config (__gnu_cxx::__bfloat16_t): Define
489 whenever __BFLT16_DIG__ is defined, not only for C++23.
490 * include/std/limits (numeric_limits<bfloat16_t>): Likewise.
491 (numeric_limits<_Float16>, numeric_limits<_Float32>)
492 (numeric_limits<_Float64>): Likewise for other extended
493 floating-point types.
495 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
497 * include/experimental/internet (address_v4::to_string): Remove
498 unused parameter name.
500 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
502 * libsupc++/compare (__cmp_cat::__unseq): Make ctor consteval.
503 * testsuite/18_support/comparisons/categories/zero_neg.cc: Prune
504 excess errors caused by invalid consteval calls.
506 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
508 * include/bits/chrono_io.h (__units_suffix_misc): Remove.
509 (__units_suffix): Return a known suffix as string view, do not
510 write unknown suffixes to a buffer.
511 (__fmt_units_suffix): New function that formats the suffix using
513 (operator<<, __chrono_formatter::_M_q): Use __fmt_units_suffix.
514 (__chrono_formatter::_M_Z): Correct lifetime of wstring.
516 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
518 * include/std/format [_GLIBCXX_USE_WCHAR_T]: Guard all wide
519 string formatters with this macro.
520 (__formatter_int::_M_format_int, __formatter_fp::format)
521 (formatter<const void*, C>::format): Use __to_wstring_numeric
522 instead of std::ctype::widen.
523 (__formatter_fp::_M_localize): Use hardcoded wchar_t values
524 instead of std::ctype::widen.
525 * testsuite/std/format/functions/format.cc: Add more checks for
526 wstring formatting of arithmetic types.
528 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
530 * include/bits/basic_string.h (to_string(floating-point-type)):
531 Implement using std::to_chars for C++26.
532 * include/bits/version.def (__cpp_lib_to_string): Define.
533 * include/bits/version.h: Regenerate.
534 * testsuite/21_strings/basic_string/numeric_conversions/char/dr1261.cc:
535 Adjust expected result in C++26 mode.
536 * testsuite/21_strings/basic_string/numeric_conversions/char/to_string.cc:
538 * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/dr1261.cc:
540 * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/to_wstring.cc:
542 * testsuite/21_strings/basic_string/numeric_conversions/char/to_string_float.cc:
544 * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/to_wstring_float.cc:
546 * testsuite/21_strings/basic_string/numeric_conversions/version.cc:
549 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
551 * include/bits/basic_string.h (to_string(integral-type)): Use
552 resize_and_overwrite when available.
553 (__to_wstring_numeric): New helper functions.
554 (to_wstring): Use std::to_string then __to_wstring_numeric.
555 * testsuite/21_strings/basic_string/numeric_conversions/char/to_string_int.cc:
556 Remove check for no excess capacity.
558 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
560 * include/bits/basic_string.h (__resize_and_overwrite): New
562 * include/bits/basic_string.tcc (__resize_and_overwrite): New
564 (resize_and_overwrite): Simplify by using reserve instead of
565 growing the string manually. Adjust for C++11 compatibility.
566 * include/bits/cow_string.h (resize_and_overwrite): New
568 (__resize_and_overwrite): New function.
569 * include/bits/version.def (__cpp_lib_string_resize_and_overwrite):
570 Do not depend on cxx11abi.
571 * include/bits/version.h: Regenerate.
572 * include/std/format (__formatter_fp::_S_resize_and_overwrite):
574 (__formatter_fp::format, __formatter_fp::_M_localize): Use
575 __resize_and_overwrite instead of _S_resize_and_overwrite.
576 * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
577 Adjust for C++11 compatibility when included by ...
578 * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite_ext.cc:
581 2023-08-17 Patrick Palka <ppalka@redhat.com>
583 * include/bits/regex.h (regex_iterator::iterator_concept):
584 Define for C++20 as per P2770R0.
585 (regex_token_iterator::iterator_concept): Likewise.
586 * include/std/ranges (__detail::__as_lvalue): Define.
587 (join_view::_Iterator): Befriend join_view.
588 (join_view::_Iterator::_M_satisfy): Use _M_get_outer
590 (join_view::_Iterator::_M_get_outer): Define.
591 (join_view::_Iterator::_Iterator): Split constructor taking
592 _Parent argument into two as per P2770R0. Remove constraint on
594 (join_view::_Iterator::_M_outer): Make this data member present
595 only when the underlying range is forward.
596 (join_view::_Iterator::operator++): Use _M_get_outer instead of
598 (join_view::_Iterator::operator--): Use __as_lvalue helper.
599 (join_view::_Iterator::operator==): Adjust constraints as per
601 (join_view::_Sentinel::__equal): Use _M_get_outer instead of
603 (join_view::_M_outer): New data member when the underlying range
605 (join_view::begin): Adjust definition as per P2770R0.
606 (join_view::end): Likewise.
607 (join_with_view::_M_outer_it): New data member when the
608 underlying range is non-forward.
609 (join_with_view::begin): Adjust definition as per P2770R0.
610 (join_with_view::end): Likewise.
611 (join_with_view::_Iterator::_M_outer_it): Make this data member
612 present only when the underlying range is forward.
613 (join_with_view::_Iterator::_M_get_outer): Define.
614 (join_with_view::_Iterator::_Iterator): Split constructor
615 taking _Parent argument into two as per P2770R0. Remove
616 constraint on default constructor.
617 (join_with_view::_Iterator::_M_update_inner): Adjust definition
619 (join_with_view::_Iterator::_M_get_inner): Likewise.
620 (join_with_view::_Iterator::_M_satisfy): Adjust calls to
621 _M_get_inner. Use _M_get_outer instead of _M_outer_it.
622 (join_with_view::_Iterator::operator==): Adjust constraints
624 (join_with_view::_Sentinel::operator==): Use _M_get_outer
625 instead of _M_outer_it.
626 * testsuite/std/ranges/adaptors/p2770r0.cc: New test.
628 2023-08-17 Patrick Palka <ppalka@redhat.com>
631 * include/std/ranges (__adaptor::_RangeAdaptorClosure):
632 Convert into a CRTP class template. Move hidden operator|
633 friends into namespace scope and adjust their constraints.
634 (__closure::__is_range_adaptor_closure_fn): Define.
635 (__closure::__is_range_adaptor_closure): Define.
636 (__adaptor::_Partial): Adjust use of _RangeAdaptorClosure.
637 (__adaptor::_Pipe): Likewise.
638 (views::_All): Likewise.
639 (views::_Join): Likewise.
640 (views::_Common): Likewise.
641 (views::_Reverse): Likewise.
642 (views::_Elements): Likewise.
643 (views::_Adjacent): Likewise.
644 (views::_AsRvalue): Likewise.
645 (views::_Enumerate): Likewise.
646 (views::_AsConst): Likewise.
647 * testsuite/std/ranges/adaptors/all.cc: Reinstate assertion
648 expecting that adding empty range adaptor closure objects to a
649 pipeline doesn't increase the size of a pipeline.
651 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
653 * include/std/format (__format::_Pres_type): Add _Pres_F.
654 (__formatter_fp::parse): Use _Pres_F for 'F'.
655 (__formatter_fp::format): Set __upper for _Pres_F.
656 * testsuite/std/format/functions/format.cc: Check formatting of
657 infinity and NaN for each presentation type.
659 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
661 * include/Makefile.in: Regenerate.
663 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
665 * testsuite/24_iterators/move_iterator/p2520r0.cc: Add no_pch.
666 * testsuite/std/format/functions/format.cc: Likewise.
667 * testsuite/std/format/functions/format_c++23.cc: Likewise.
669 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
671 * testsuite/lib/dg-options.exp (add_options_for_no_pch): Remove
672 any "-include bits/stdc++.h" from options and add the macro to
673 the existing options instead of replacing them.
675 2023-08-16 Jonathan Wakely <jwakely@redhat.com>
677 * include/bits/basic_string.tcc (resize_and_overwrite): Invoke
678 the callable with the same size as resize_and_overwrite was
680 * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
681 Check with small values for the new size.
682 * testsuite/std/format/functions/format.cc: Check wide
683 formatting of double values that produce small strings.
684 * testsuite/std/format/functions/format_c++23.cc: New test.
686 2023-08-16 Jonathan Wakely <jwakely@redhat.com>
688 * include/bits/version.def (stds): Update value for C++23.
689 * include/bits/version.h: Regenerate.
691 2023-08-16 Jonathan Wakely <jwakely@redhat.com>
693 * testsuite/25_algorithms/pstl/alg_sorting/set_difference.cc:
694 Fix name of upstream file this was derived from.
695 * testsuite/25_algorithms/pstl/alg_sorting/set_intersection.cc:
697 * testsuite/25_algorithms/pstl/alg_sorting/set_symmetric_difference.cc:
699 * testsuite/25_algorithms/pstl/alg_sorting/set_union.cc:
701 * testsuite/25_algorithms/pstl/alg_sorting/set_util.h: Likewise.
703 2023-08-16 Arsen Arsenović <arsen@aarsen.me>
705 * libsupc++/typeinfo: Switch to bits/version.h for
706 __cpp_lib_constexpr_typeinfo.
707 * libsupc++/new: Switch to bits/version.h for
708 __cpp_lib_{launder,hardware_interference_size,destroying_delete}.
709 (launder): Guard behind __cpp_lib_launder.
710 (hardware_destructive_interference_size)
711 (hardware_constructive_interference_size): Guard behind
712 __cpp_lib_hardware_interference_size.
713 * libsupc++/exception: Switch to bits/version.h for
714 __cpp_lib_uncaught_exceptions.
715 (uncaught_exceptions): Guard behind __cpp_lib_uncaught_exceptions.
716 * libsupc++/compare: Switch to bits/version.h for
717 __cpp_lib_three_way_comparison.
718 (three_way_comparable, three_way_comparable_with)
719 (compare_three_way, weak_order, strong_order, partial_order):
720 Guard behind __cpp_lib_three_way_comparison >= 201907L.
721 * include/std/chrono: Drop __cpp_lib_chrono definition.
722 * include/std/vector: Switch to bits/version.h for
724 (erase, erase_if): Guard behind __cpp_lib_erase_if.
725 * include/std/variant: Switch to bits/version.h for
726 __cpp_lib_variant. Guard whole header behind that FTM.
727 * include/std/utility: Switch to bits/version.h for
728 __cpp_lib_{exchange_function,constexpr_algorithms,as_const},
729 __cpp_lib_{integer_comparison_functions,to_underlying}, and
730 __cpp_lib_unreachable.
731 (exchange): Guard behind __cpp_lib_exchange_function.
732 (cmp_equal, cmp_not_equal, cmp_less, cmp_greater, cmp_less_equal)
733 (cmp_greater_equal, in_range): Guard behind
734 __cpp_lib_integer_comparison_functions.
735 (to_underlying): Guard behind __cpp_lib_to_underlying.
736 (unreachable): Guard behind __cpp_lib_unreachable.
737 * include/std/type_traits: Switch to bits/version.h for
738 __cpp_lib_is_{null_pointer,final,nothrow_convertible,aggregate},
739 __cpp_lib_is_{constant_evaluated,invocable,layout_compatible},
740 __cpp_lib_is_{pointer_interconvertible,scoped_enum,swappable},
741 __cpp_lib_{logical_traits,reference_from_temporary,remove_cvref},
742 __cpp_lib_{result_of_sfinae,transformation_trait_aliases},
743 __cpp_lib_{type_identity,type_trait_variable_templates},
744 __cpp_lib_{unwrap_ref,void_t,integral_constant_callable},
745 __cpp_lib_{bool_constant,bounded_array_traits}, and
746 __cpp_lib_has_unique_object_representations.
747 (integral_constant::operator()): Guard behind
748 __cpp_lib_integral_constant_callable.
749 (bool_constant): Guard behind __cpp_lib_bool_constant.
750 (conjunction, disjunction, negation, conjunction_v, disjunction_v)
751 (negation_v): Guard behind __cpp_lib_logical_traits.
752 (is_null_pointer): Guard behind __cpp_lib_is_null_pointer.
753 (is_final): Guard behind __cpp_lib_is_final.
754 (is_nothrow_convertible, is_nothrow_convertible_v): Guard behind
755 __cpp_lib_is_nothrow_convertible.
756 (remove_const_t, remove_volatile_t, remove_cv_t)
757 (add_const_t, add_volatile_t, add_cv_t): Guard behind
758 __cpp_lib_transformation_trait_aliases.
759 (void_t): Guard behind __cpp_lib_void_t.
760 (is_swappable_with_v, is_nothrow_swappable_with_v)
761 (is_swappable_with, is_nothrow_swappable_with): Guard behind
762 __cpp_lib_is_swappable.
763 (is_nothrow_invocable_r, is_invocable_r, invoke_result)
764 (is_invocable, invoke_result_t): Guard behind
765 __cpp_lib_is_invocable.
766 (alignment_of_v, extent_v, has_virtual_destructor_v)
767 (is_abstract_v, is_arithmetic_v, is_array_v)
768 (is_assignable_v, is_base_of_v, is_class_v, is_compound_v)
769 (is_constructible_v, is_const_v, is_convertible_v)
770 (is_copy_assignable_v, is_copy_constructible_v)
771 (is_default_constructible_v, is_destructible_v)
772 (is_empty_v, is_enum_v, is_final_v, is_floating_point_v)
773 (is_function_v, is_fundamental_v, is_integral_v)
774 (is_invocable_r_v, is_invocable_v, is_literal_type_v)
775 (is_lvalue_reference_v, is_member_function_pointer_v)
776 (is_member_object_pointer_v, is_member_pointer_v)
777 (is_move_assignable_v, is_move_constructible_v)
778 (is_nothrow_assignable_v, is_nothrow_constructible_v)
779 (is_nothrow_copy_assignable_v, is_nothrow_copy_constructible_v)
780 (is_nothrow_default_constructible_v, is_nothrow_destructible_v)
781 (is_nothrow_invocable_r_v, is_nothrow_invocable_v)
782 (is_nothrow_move_assignable_v, is_nothrow_move_constructible_v)
783 (is_null_pointer_v, is_object_v, is_pod_v, is_pointer_v)
784 (is_polymorphic_v, is_reference_v, is_rvalue_reference_v)
785 (is_same_v, is_scalar_v, is_signed_v, is_standard_layout_v)
786 (is_trivially_assignable_v, is_trivially_constructible_v)
787 (is_trivially_copyable_v, is_trivially_copy_assignable_v)
788 (is_trivially_copy_constructible_v)
789 (is_trivially_default_constructible_v)
790 (is_trivially_destructible_v, is_trivially_move_assignable_v)
791 (is_trivially_move_constructible_v, is_trivial_v, is_union_v)
792 (is_unsigned_v, is_void_v, is_volatile_v, rank_v, as variadic):
793 Guard behind __cpp_lib_type_trait_variable_templates.
794 (has_unique_object_representations)
795 (has_unique_object_representations_v): Guard behind
796 __cpp_lib_has_unique_object_representation.
797 (is_aggregate): Guard behind __cpp_lib_is_aggregate.
798 (remove_cvref, remove_cvref_t): Guard behind
799 __cpp_lib_remove_cvref.
800 (type_identity, type_identity_t): Guard behind
801 __cpp_lib_type_identity.
802 (unwrap_reference, unwrap_reference_t, unwrap_ref_decay)
803 (unwrap_ref_decay_t): Guard behind __cpp_lib_unwrap_ref.
804 (is_bounded_array_v, is_unbounded_array_v, is_bounded_array)
805 (is_unbounded_array): Guard behind __cpp_lib_bounded_array_traits.
806 (is_scoped_enum, is_scoped_enum_v): Guard behind
807 __cpp_lib_is_scoped_enum.
808 (reference_constructs_from_temporary)
809 (reference_constructs_from_temporary_v): Guard behind
810 __cpp_lib_reference_from_temporary.
811 * include/std/tuple: Switch to bits/version.h for
812 __cpp_lib_{constexpr_tuple,tuple_by_type,apply_make_from_tuple}.
813 (get<T>): Guard behind __cpp_lib_tuple_by_type.
814 (apply): Guard behind __cpp_lib_apply.
815 (make_from_tuple): Guard behind __cpp_lib_make_from_tuple.
816 * include/std/syncstream: Switch to bits/version.h for
817 __cpp_lib_syncbuf. Guard header behind that FTM.
818 * include/std/string_view: Switch to bits/version.h for
819 __cpp_lib_{string_{view,contains},constexpr_string_view} and
820 __cpp_lib_starts_ends_with.
821 (basic_string_view::starts_with, basic_string_view::ends_with):
822 Guard behind __cpp_lib_starts_ends_with.
823 [C++23 && _GLIBCXX_HOSTED && !defined(__cpp_lib_string_contains)]:
824 Assert as impossible ithout a bug in C++23.
825 * include/std/string: Switch to bits/version.h for
827 (erase, erase_if): Guard behind __cpp_lib_erase_if.
828 * include/std/thread: Switch to bits/version.h for
830 * include/std/stop_token: Switch to bits/version.h for
832 * include/std/spanstream: Switch to bits/version.h for
833 __cpp_lib_spanstream. Guard header behind that FTM.
834 * include/std/span: Switch to bits/version.h for __cpp_lib_span.
835 Guard header behind that FTM.
836 * include/std/source_location: Switch to bits/version.h for
837 __cpp_lib_source_location. Guard header with that FTM.
838 * include/std/shared_mutex: Switch to bits/version.h for
839 __cpp_lib_shared{,_timed}_mutex.
840 (shared_mutex): Guard behind __cpp_lib_shared_mutex.
841 * include/std/semaphore: Switch to bits/version.h for
842 __cpp_lib_semaphore. Guard header behind that FTM.
843 * include/std/ranges: Switch to bits/version.h for
844 __cpp_lib_ranges_{zip,chunk{,_by},slide,join_with},
845 __cpp_lib_ranges_{repeat_stride,cartesian_product,as_rvalue},
846 and __cpp_lib_ranges_{as_const,enumerate,iota}.
847 (ranges::zip et al, ranges::chunk et al, ranges::slide et al)
848 (ranges::chunk_by et al, ranges::join_with et al)
849 (ranges::stride et al, ranges::cartesian_product et al)
850 (ranges::as_rvalue et al, ranges::as_const et al)
851 (ranges::enumerate et al): Guard behind appropriate FTM.
852 * include/std/optional: Switch to bits/version.h for
853 __cpp_lib_optional. Guard header behind that FTM.
854 * include/std/numeric: Switch to bits/version.h for
855 __cpp_lib_{gcd{,_lcm},lcm,constexpr_numeric,interpolate}
856 and __cpp_lib_parallel_algorithm.
857 (gcd, lcm): Guard behind __cpp_lib_gcd_lcm.
858 (midpoint): Guard behind __cpp_lib_interpolate.
859 * include/std/numbers: Switch to bits/version.h for
860 __cpp_lib_math_constants. Guard header behind that FTM.
861 * include/std/mutex: Switch to bits/version.h for
862 __cpp_lib_scoped_lock.
863 (scoped_Lock): Guard behind __cpp_lib_scoped_lock.
864 * include/std/memory_resource: Switch to bits/version.h for
865 __cpp_lib_{polymorphic_allocator,memory_resource}.
866 (synchronized_pool_resource): Guard behind
867 __cpp_lib_memory_resource >= 201603L.
868 (polymorphic_allocator): Guard behind
869 __cpp_lib_polymorphic_allocator.
870 * include/std/memory: Switch to bits/version.h for
871 __cpp_lib_{parallel_algorithm,atomic_value_initialization}.
872 * include/std/list: Switch to bits/version.h for
874 (erase, erase_if): Guard behind __cpp_lib_erase_if.
875 * include/std/latch: Switch to bits/version.h for __cpp_lib_latch.
876 Guard header behind that FTM.
877 * include/std/iterator: Switch to bits/version.h for
878 __cpp_lib_null_iterators.
879 * include/std/iomanip: Switch to bits/version.h for
880 __cpp_lib_quoted_string_io.
881 (quoted): Guard behind __cpp_lib_quoted_string_io.
882 * include/std/functional: Switch to bits/version.h for
883 __cpp_lib_{invoke{,_r},constexpr_functional,bind_front} and
884 __cpp_lib_{not_fn,booyer_moore_searcher}.
885 (invoke): Guard behind __cpp_lib_invoke.
886 (invoke_r): Guard behind __cpp_lib_invoke_r.
887 (bind_front): Guard behind __cpp_lib_bind_front.
888 (not_fn): Guard behind __cpp_lib_not_fn.
889 (boyer_moore_searcher, boyer_moore_horspool_searcher): Guard
890 definition behind __cpp_lib_boyer_moore_searcher.
891 * include/std/forward_list: Switch to bits/version.h for
893 (erase, erase_if): Guard behind __cpp_lib_erase_if.
894 * include/std/format: Switch to bits/version.h for
895 __cpp_lib_format. Guard header behind that FTM.
896 * include/std/filesystem: Switch to bits/version.h for
897 __cpp_lib_filesystem. Guard header behind that FTM.
898 * include/std/expected: Switch to bits/version.h for
899 __cpp_lib_expected. Guard header behind it.
900 * include/std/execution: Switch to bits/version.h for
901 __cpp_lib_{execution,parallel_algorithm}. Guard header behind
903 * include/std/deque: Switch to bits/version.h for
905 (erase, erase_if): Guard behind __cpp_lib_erase_if.
906 * include/std/coroutine: Switch to bits/version.h for
907 __cpp_lib_coroutine. Guard header behind that FTM.
908 * include/std/concepts: Switch to bits/version.h for
909 __cpp_lib_concepts. Guard header behind that FTM.
910 * include/std/complex: Switch to bits/version.h for
911 __cpp_lib_{complex_udls,constexpr_complex}.
912 (operator""if, operator""i, operator""il): Guard behind
913 __cpp_lib_complex_udls.
914 * include/std/charconv: Swtich to bits/version.h for
915 __cpp_lib_{to_chars,constexpr_charconv}.
916 * include/std/bitset: Switch to bits/version.h for
917 __cpp_lib_constexpr_bitset.
918 * include/std/bit: Switch to bits/version.h for
919 __cpp_lib_{bit_cast,byteswap,bitops,int_pow2,endian}.
920 (bit_cast): Guard behind __cpp_lib_bit_cast.
921 (byteswap): Guard behind __cpp_lib_byteswap.
922 (rotl, rotr, countl_zero, countl_one, countr_zero, countr_one)
923 (popcount): Guard behind __cpp_lib_bitops.
924 (has_single_bit, bit_ceil, bit_floor, bit_width): Guard behind
926 (endian): Guard behind __cpp_lib_endian.
927 * include/std/barrier: Switch to bits/version.h for
928 __cpp_lib_barrier. Guard header behind that FTM.
929 * include/std/atomic: Switch to bits/version.h for
930 __cpp_lib_atomic_{is_always_lock_free,float,ref}
931 and __cpp_lib_lock_free_type_aliases.
932 (*::is_always_lock_free): Guard behind
933 __cpp_lib_atomic_is_always_lock_free.
934 (atomic<float>): Guard behind __cpp_lib_atomic_float.
935 (atomic_ref): Guard behind __cpp_lib_atomic_ref.
936 (atomic_signed_lock_free, atomic_unsigned_lock_free): Guard behind
937 __cpp_lib_atomic_lock_free_type_aliases.
938 * include/std/array: Switch to bits/version.h for
940 (to_array): Guard behind __cpp_lib_to_array.
941 * include/std/any: Switch to bits/version.h for __cpp_lib_any.
942 Guard header behind that FTM.
943 * include/std/algorithm: Switch to bits/version.h for
944 __cpp_lib_parallel_algorithm.
945 * include/c_global/cstddef: Switch to bits/version.h for
947 (byte): Guard behind __cpp_lib_byte.
948 * include/c_global/cmath: Switch to bits/version.h for
949 __cpp_lib_{hypot,interpolate}.
950 (hypot3): Guard behind __cpp_lib_hypot.
951 (lerp): Guard behind __cpp_lib_interpolate.
952 * include/c_compatibility/stdatomic.h: Switch to
953 bits/stl_version.h for __cpp_lib_atomic. Guard header behind that
955 * include/bits/utility.h: Switch to bits/version.h for
956 __cpp_lib_{tuple_element_t,integer_sequence,ranges_zip}.
957 (tuple_element_t): Guard behind __cpp_lib_tuple_element_t.
958 (integer_sequence et al): Guard behind __cpp_lib_integer_sequence.
959 * include/bits/uses_allocator_args.h: Switch to bits/version.h for
960 __cpp_lib_make_obj_using_allocator. Guard header behind that FTM.
961 * include/bits/unordered_map.h: Switch to bits/version.h for
962 __cpp_lib_unordered_map_try_emplace.
963 (try_emplace): Guard behind __cpp_lib_unordered_map_try_emplace.
964 * include/bits/unique_ptr.h: Switch to bits/version.h for
965 __cpp_lib_{constexpr_memory,make_unique}.
966 (make_unique): Guard behind __cpp_lib_make_unique.
967 * include/bits/stl_vector.h: Switch to bits/version.h for
968 __cpp_lib_constexpr_vector.
969 * include/bits/stl_uninitialized.h: Switch to bits/version.h for
970 __cpp_lib_raw_memory_algorithms.
971 (uninitialized_default_construct)
972 (uninitialized_default_construct_n, uninitialized_move)
973 (uninitialized_move_n, uninitialized_value_construct)
974 (uninitialized_value_construct_n): Guard behind
975 __cpp_lib_raw_memory_algorithms.
976 * include/bits/stl_tree.h: Switch to bits/version.h for
977 __cpp_lib_generic_associative_lookup.
978 * include/bits/stl_stack.h: Switch to bits/version.h for
979 __cpp_lib_adaptor_iterator_pair_constructor.
980 (stack): Guard iterator-pair constructor behind
981 __cpp_lib_adaptor_iterator_pair_constructor.
982 * include/bits/stl_queue.h: Switch to bits/version.h for
983 __cpp_lib_adaptor_iterator_pair_constructor.
984 (queue): Guard iterator-pair constructor behind
985 __cpp_lib_adaptor_iterator_pair_constructor.
986 * include/bits/stl_pair.h: Switch to bits/version.h for
987 __cpp_lib_{concepts,tuples_by_type}.
988 (get): Guard type-getting overloads behind
989 __cpp_lib_tuples_by_type.
990 * include/bits/stl_map.h: Switch to bits/version.h for
991 __cpp_lib_map_try_emplace.
992 (map<>::try_emplace): Guard behind __cpp_lib_map_try_emplace.
993 * include/bits/stl_list.h: Switch to bits/version.h for
994 __cpp_lib_list_remove_return_type.
995 (__remove_return_type, _GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG)
996 [C++20]: guard behind __cpp_lib_list_remove_return_type instead.
997 * include/bits/stl_iterator.h: Switch to bits/version.h for
998 __cpp_lib_{constexpr_iterator,array_constexpr} and
999 __cpp_lib_{make_reverse_iterator,move_iterator_concept}.
1000 (make_reverse_iterator): Guard behind
1001 __cpp_lib_make_reverse_iterator.
1002 (iterator_concept et al): Guard __cpp_lib_move_iterator_concept
1003 changes behind that FTM.
1004 * include/bits/stl_function.h: Switch to bits/version.h for
1005 __cpp_lib_transparent_operators.
1006 (equal_to, not_equal_to, greater, less, greater_equal)
1007 (less_equal, bit_and, bit_or, bit_xor, bit_not, logical_and)
1008 (logical_or, logical_not, plus, minus, multiplies, divides)
1009 (modulus, negate): Guard '= void' fwdecls behind
1010 __cpp_lib_transparent_operators.
1011 (plus<void>, minus<void>, multiplies<void>, divides<void>)
1012 (modulus<void>, negate<void>, logical_and<void>, logical_or<void>)
1013 (logical_not<void>, bit_and<void>, bit_or<void>, bit_xor<void>)
1014 (equal_to<void>, not_equal_to<void>, greater<void>, less<void>)
1015 (greater_equal<void>, less_equal<void>, bit_not<void>)
1016 (__has_is_transparent): Guard behind
1017 __cpp_lib_transparent_operators.
1018 * include/bits/stl_algobase.h: Switch to bits/version.h for
1019 __cpp_lib_robust_nonmodifying_seq_ops.
1020 (robust equal, mismatch): Guard behind
1021 __cpp_lib_nonmember_container_access.
1022 * include/bits/stl_algo.h: Swtich to bits/version.h for
1023 __cpp_lib_{clamp,sample}.
1024 (clamp): Guard behind __cpp_lib_clamp.
1025 (sample): Guard behind __cpp_lib_sample.
1026 * include/bits/specfun.h: Switch to bits/version.h for
1027 __cpp_lib_math_special_functions and __STDCPP_MATH_SPEC_FUNCS__.
1028 * include/bits/shared_ptr_base.h: Switch to bits/version.h for
1029 __cpp_lib_{smart_ptr_for_overwrite,shared_ptr_arrays}.
1030 (_Sp_overwrite_tag): Guard behind
1031 __cpp_lib_smart_ptr_for_overwrite.
1032 * include/bits/shared_ptr_atomic.h: Switch to bits/version.h for
1033 __cpp_lib_atomic_shared_ptr.
1034 * include/bits/shared_ptr.h: Switch to bits/version.h for
1035 __cpp_lib_{enable_shared_from_this,shared_ptr_weak_type}.
1036 (shared_ptr<T>::weak_type): Guard behind
1037 __cpp_lib_shared_ptr_weak_type.
1038 (enable_shared_from_this<T>::weak_from_this): Guard behind
1039 __cpp_lib_enable_shared_from_this.
1040 * include/bits/ranges_cmp.h: Switch to bits/version.h for
1042 * include/bits/ranges_algo.h: Switch to bits/version.h for
1043 __cpp_lib_{shift,ranges_{contains,find_last,fold,iota}}.
1044 * include/bits/range_access.h: Switch to bits/version.h for
1045 __cpp_lib_nonmember_container_access
1046 (size, empty, data): Guard behind
1047 __cpp_lib_nonmember_container_access.
1048 (ssize): Guard behind __cpp_lib_ssize.
1049 * include/bits/ptr_traits.h: Switch to bits/version.h. for
1050 __cpp_lib_{constexpr_memory,to_address}.
1051 (to_address): Guard behind __cpp_lib_to_address.
1052 * include/bits/node_handle.h: Switch to bits/version.h for
1053 __cpp_lib_node_extract. Guard header behind that FTM.
1054 * include/bits/move_only_function.h: Switch to bits/version.h for
1055 __cpp_lib_move_only_function. Guard header behind that FTM.
1056 * include/bits/move.h: Switch to bits/version.h for
1057 __cpp_lib_addressof_constexpr.
1058 * include/bits/ios_base.h: Switch to bits/version.h for
1059 __cpp_lib_ios_noreplace.
1060 (noreplace): Guard with __cpp_lib_ios_noreplace.
1061 * include/bits/hashtable.h: Switch to bits/version.h for
1062 __cpp_lib_generic_unordered_lookup.
1063 (_M_equal_range_tr, _M_count_tr, _M_find_tr): Guard behind
1064 __cpp_lib_generic_unordered_lookup.
1065 * include/bits/forward_list.h: Switch to bits/version.h for
1066 __cpp_lib_list_remove_return_type.
1067 (__remove_return_type): Guard behind
1068 __cpp_lib_list_remove_return_type.
1069 * include/bits/erase_if.h: Switch to bits/version.h for
1071 * include/bits/cow_string.h: Switch to bits/version.h for
1072 __cpp_lib_constexpr_string.
1073 * include/bits/chrono.h: Swtich to bits/version.h for
1074 __cpp_lib_chrono{,_udls}.
1075 (ceil): Guard behind __cpp_lib_chrono.
1076 (operator""ns et al): Guard behind __cpp_lib_chrono_udls.
1077 * include/bits/char_traits.h: Switch to bits/version.h for
1078 __cpp_lib_constexpr_char_traits.
1079 * include/bits/basic_string.h: Switch to bits/version.h for
1080 __cpp_lib_{constexpr_string,string_{resize_and_overwrite,udls}}.
1081 (resize_and_overwrite): Guard behind
1082 __cpp_lib_string_resize_and_overwrite.
1083 (operator""s): Guard behind __cpp_lib_string_udls.
1084 * include/bits/atomic_wait.h: Switch to bits/version.h for
1085 __cpp_lib_atomic_wait. Guard header behind that FTM.
1086 * include/bits/atomic_base.h: Switch to bits/version.h for
1087 __cpp_lib_atomic_value_initialization and
1088 __cpp_lib_atomic_flag_test.
1089 (atomic_flag::test): Guard behind __cpp_lib_atomic_flag_test,
1091 * include/bits/allocator.h: Switch to bits/version.h for
1092 __cpp_lib_incomplete_container_elements.
1093 * include/bits/alloc_traits.h: Switch to using bits/version.h for
1094 __cpp_lib_constexpr_dynamic_alloc and
1095 __cpp_lib_allocator_traits_is_always_equal.
1096 * include/bits/align.h: Switch to bits/version.h for defining
1097 __cpp_lib_assume_aligned.
1098 (assume_aligned): Guard with __cpp_lib_assume_aligned.
1099 * include/bits/algorithmfwd.h: Switch to bits/version.h for
1100 defining __cpp_lib_constexpr_algorithms.
1101 * include/std/stacktrace: Switch to bits/version.h for
1102 __cpp_lib_stacktrace. Guard header behind that FTM.
1103 * testsuite/23_containers/array/tuple_interface/get_neg.cc:
1104 Update line numbers.
1106 2023-08-16 Arsen Arsenović <arsen@aarsen.me>
1108 * include/Makefile.am (bits_freestanding): Add version.h.
1109 (allcreated): Add version.h.
1110 (${bits_srcdir}/version.h): New rule. Regenerates
1111 version.h out of version.{def,tpl}.
1112 * include/Makefile.in: Regenerate.
1113 * include/bits/version.def: New file. Declares a list of
1114 all feature test macros, their values and their preconditions.
1115 * include/bits/version.tpl: New file. Turns version.def
1116 into a sequence of #if blocks.
1117 * include/bits/version.h: New file. Generated from
1119 * include/std/version: Replace with a __glibcxx_want_all define
1120 and bits/version.h include.
1122 2023-08-14 Paul Dreik <gccpatches@pauldreik.se>
1125 * include/std/format (__formatter_fp::format): Use frexp instead
1128 2023-08-12 Ken Matsui <kmatsui@gcc.gnu.org>
1130 * include/std/type_traits (true_type): Use __bool_constant
1132 (false_type): Likewise.
1133 (bool_constant): Likewise.
1135 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
1138 * include/std/format (_Seq_sink::get): Only call _M_overflow if
1139 its precondition is met.
1140 (_Iter_sink::_M_finish): Likewise.
1141 (_Iter_sink<C, ContigIter>::_M_overflow): Only switch to the
1142 internal buffer after running out of space.
1143 (_Iter_sink<C, ContigIter>::_M_finish): Do not use _M_overflow.
1144 (_Counting_sink::count): Likewise.
1145 * testsuite/std/format/functions/format_to_n.cc: Check cases
1146 where the output fits into the buffer.
1148 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
1151 * include/bits/chrono_io.h (operator|=, operator|): Add noexcept
1152 to _ChronoParts operators.
1153 (from_stream, parse): Define new functions.
1154 (__detail::_Parse, __detail::_Parser): New class templates.
1155 * include/std/chrono (__cpp_lib_chrono): Define to 201907L for
1157 * include/std/version (__cpp_lib_chrono): Likewise.
1158 * testsuite/20_util/duration/arithmetic/constexpr_c++17.cc:
1159 Adjust expected value of feature test macro.
1160 * testsuite/20_util/duration/io.cc: Test parsing.
1161 * testsuite/std/time/clock/file/io.cc: Likewise.
1162 * testsuite/std/time/clock/gps/io.cc: Likewise.
1163 * testsuite/std/time/clock/system/io.cc: Likewise.
1164 * testsuite/std/time/clock/tai/io.cc: Likewise.
1165 * testsuite/std/time/clock/utc/io.cc: Likewise.
1166 * testsuite/std/time/day/io.cc: Likewise.
1167 * testsuite/std/time/month/io.cc: Likewise.
1168 * testsuite/std/time/month_day/io.cc: Likewise.
1169 * testsuite/std/time/weekday/io.cc: Likewise.
1170 * testsuite/std/time/year/io.cc: Likewise.
1171 * testsuite/std/time/year_month/io.cc: Likewise.
1172 * testsuite/std/time/year_month_day/io.cc: Likewise.
1173 * testsuite/std/time/syn_c++20.cc: Check value of macro and for
1174 the existence of parse and from_stream in namespace chrono.
1175 * testsuite/std/time/clock/local/io.cc: New test.
1176 * testsuite/std/time/parse.cc: New test.
1178 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
1181 * include/std/format (__formatter_fp::format): Do not call log10
1184 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
1186 * python/libstdcxx/v6/printers.py (StdChronoCalendarPrinter):
1187 Check for out-of-range month an weekday indices.
1188 * testsuite/libstdc++-prettyprinters/chrono.cc: Check invalid
1189 month and weekday values.
1191 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
1193 * include/bits/stl_iterator.h (__clamped_iter_cat_t): Remove.
1195 2023-08-10 Jonathan Wakely <jwakely@redhat.com>
1198 * include/std/format (_Spec::_S_parse_width_or_precision): Check
1199 for empty range before dereferencing iterator.
1200 * testsuite/std/format/string.cc: Check for expected exception.
1201 Fix expected exception message in test_pr110862() and actually
1204 2023-08-10 Jonathan Wakely <jwakely@redhat.com>
1207 * include/std/format (__formatter_fp::format): Check return
1208 value of _M_localize.
1209 * testsuite/std/format/functions/format.cc: Check classic
1212 2023-08-10 Jonathan Wakely <jwakely@redhat.com>
1215 * include/bits/stl_iterator.h (__detail::__move_iter_cat): Use
1217 (iterator_traits<common_iterator<I, S>>::_S_iter_cat): Likewise.
1218 (__detail::__basic_const_iterator_iter_cat): Likewise.
1219 * include/bits/stl_iterator_base_types.h (__iterator_category_t):
1220 Rename to __iter_category_t.
1222 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
1224 * include/bits/chrono.h (duration_cast): Do not use braces
1225 around statements for C++11 constexpr rules.
1226 * include/bits/stl_algobase.h (__lg): Rewrite as a single
1227 statement for C++11 constexpr rules.
1228 * include/experimental/bits/fs_path.h (path::string): Use
1229 _GLIBCXX17_CONSTEXPR not _GLIBCXX_CONSTEXPR for 'if constexpr'.
1230 * include/std/charconv (__to_chars_8): Initialize variable for
1231 C++17 constexpr rules.
1233 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
1235 * include/bits/list.tcc (list::sort(Cmp)): Fix -Wsign-compare
1236 warning for loop condition.
1238 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
1240 * include/std/complex: Add diagnostic pragma for clang.
1242 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
1244 * include/bits/shared_ptr_atomic.h (atomic): Change class-head
1246 * include/bits/stl_tree.h (_Rb_tree_merge_helper): Change
1247 class-head to struct in friend declaration.
1248 * include/std/chrono (tzdb_list::_Node): Likewise.
1249 * include/std/future (_Task_state_base, _Task_state): Likewise.
1250 * include/std/scoped_allocator (__inner_type_impl): Likewise.
1251 * include/std/valarray (_BinClos, _SClos, _GClos, _IClos)
1252 (_ValFunClos, _RefFunClos): Change class-head to struct.
1254 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
1256 * include/bits/alloc_traits.h (allocate): Add [[maybe_unused]]
1258 * include/bits/regex_executor.tcc: Remove name of unused
1260 * include/bits/shared_ptr_atomic.h (atomic_is_lock_free):
1262 * include/bits/stl_uninitialized.h: Likewise.
1263 * include/bits/streambuf_iterator.h (operator==): Likewise.
1264 * include/bits/uses_allocator.h: Likewise.
1265 * include/c_global/cmath (isfinite, isinf, isnan): Likewise.
1266 * include/std/chrono (zoned_time): Likewise.
1267 * include/std/future (__future_base::_S_allocate_result):
1269 (packaged_task): Likewise.
1270 * include/std/optional (_Optional_payload_base): Likewise.
1271 * include/std/scoped_allocator (__inner_type_impl): Likewise.
1272 * include/std/tuple (_Tuple_impl): Likewise.
1274 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
1276 * include/bits/new_allocator.h (__new_allocator): Define copy
1277 assignment operator as defaulted.
1278 * include/std/complex (complex<float>, complex<double>)
1279 (complex<long double>): Define copy constructor as defaulted.
1281 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
1283 * include/std/format: Fix some warnings.
1284 (__format::__write(Ctx&, basic_string_view<CharT>)): Remove
1285 unused function template.
1287 2023-08-07 Jonathan Wakely <jwakely@redhat.com>
1290 * include/std/format (__formatter_fp::format): Do not use
1291 __builtin_abs and __builtin_log10 with arbitrary floating-point
1294 2023-08-07 Jonathan Wakely <jwakely@redhat.com>
1297 * include/std/format (__format::_Iter_sink<CharT, OutIter>):
1298 Constrain partial specialization for contiguous iterators to
1299 require the value type to be CharT.
1300 * testsuite/std/format/functions/format_to.cc: New test.
1302 2023-08-07 Jonathan Wakely <jwakely@redhat.com>
1305 * include/std/format (_Scanner::_M_on_replacement_field):
1306 Check for expected '}' before incrementing iterator.
1307 * testsuite/std/format/string.cc: Check "{0:{0}" format string.
1309 2023-08-07 Nick Alcock <nick.alcock@oracle.com>
1311 * configure: Regenerate.
1313 2023-08-07 Alan Modra <amodra@gmail.com>
1315 * configure: Regenerate.
1317 2023-08-07 Alexander von Gluck IV <kallisti5@unixzen.com>
1319 * configure: Regenerate.
1321 2023-08-07 Nick Alcock <nick.alcock@oracle.com>
1323 * configure: Regenerate.
1325 2023-08-07 Nick Alcock <nick.alcock@oracle.com>
1327 * configure: Regenerate.
1329 2023-08-07 H.J. Lu <hjl.tools@gmail.com>
1331 * configure: Regenerate.
1333 2023-08-07 H.J. Lu <hjl.tools@gmail.com>
1335 * configure: Regenerate.
1337 2023-08-06 François Dumont <fdumont@gcc.gnu.org>
1339 * config/abi/pre/gnu-versioned-namespace.ver: Add __cxa_call_terminate
1342 2023-07-30 François Dumont <fdumont@gcc.gnu.org>
1344 * src/c++11/compatibility-ldbl-facets-aliases.h: Replace #define with
1346 * src/c++11/locale-inst-monetary.h: Likewise.
1347 * src/c++11/locale-inst-numeric.h: Likewise.
1349 2023-07-27 Jonathan Wakely <jwakely@redhat.com>
1352 * include/std/format (__formatter_fp::format): Ensure __expc is
1353 always set for all presentation types. Set __z correctly for
1355 * testsuite/std/format/functions/format.cc: Check problem cases.
1357 2023-07-26 Jonathan Wakely <jwakely@redhat.com>
1360 * testsuite/23_containers/vector/bool/110807.cc: Require c++11.
1362 2023-07-26 Jonathan Wakely <jwakely@redhat.com>
1365 * include/bits/stl_bvector.h (vector(const vector&)): Access
1366 iterators before allocating.
1367 * include/bits/vector.tcc (vector<bool>::_M_insert_range):
1369 * testsuite/23_containers/vector/bool/110807.cc: New test.
1371 2023-07-26 Jonathan Wakely <jwakely@redhat.com>
1373 * include/bits/algorithmfwd.h (random_shuffle): Add deprecated
1375 * include/bits/stl_algo.h (random_shuffle): Correct comments.
1376 * testsuite/25_algorithms/random_shuffle/1.cc: Disable
1377 deprecated warnings.
1378 * testsuite/25_algorithms/random_shuffle/59603.cc: Likewise.
1379 * testsuite/25_algorithms/random_shuffle/moveable.cc: Likewise.
1380 * testsuite/25_algorithms/random_shuffle/deprecated.cc: New
1383 2023-07-26 Nathaniel Shead <nathanieloshead@gmail.com>
1385 * testsuite/25_algorithms/equal/constexpr_neg.cc: Update diagnostic
1387 * testsuite/26_numerics/gcd/105844.cc: Likewise.
1388 * testsuite/26_numerics/lcm/105844.cc: Likewise.
1390 2023-07-24 Deev Patel <pateldeev@nevada.unr.edu>
1392 * include/std/format (_Formatting_scanner::_M_on_chars): Add
1393 missing constexpr specifier.
1394 (_Formatting_scanner::_M_format_arg): Likewise.
1396 2023-07-24 Jonathan Wakely <jwakely@redhat.com>
1399 * include/bits/basic_string.h [!HAVE_STOF] (stof): Do not
1400 throw an exception for zero result.
1401 [HAVE_BROKEN_STRTOLD] (stold): Do not use strtold.
1403 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1406 * src/c++17/floating_from_chars.cc (from_chars): Only define
1407 _Float128 overload when using __strfromf128.
1409 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1412 * include/bits/chrono.h (duration): Improve static assert
1414 (__is_ratio): Move to ...
1415 * include/std/ratio (__is_ratio): ... here.
1416 (__is_ratio_v): New variable template and partial
1418 (__are_both_ratios): New function template.
1419 (__ratio_multiply, ratio_equal, ratio_less, __ratio_add):
1420 Add static assertion.
1421 * testsuite/20_util/ratio/requirements/type_constraints.cc:
1423 * testsuite/20_util/duration/requirements/typedefs_neg1.cc:
1424 Adjust expected error.
1425 * testsuite/20_util/duration/requirements/typedefs_neg2.cc:
1428 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1430 * include/bits/chrono_io.h (__formatter_chrono::_M_format):
1431 Do not set __is_neg for hh_mm_ss before calling
1432 _M_format_to_ostream. Change __print_sign lambda to only check
1433 __is_neg for durations and hh_mm_ss types.
1434 (__formatter_chrono::_M_format_to_ostream): Only check __is_neg
1436 * testsuite/std/time/hh_mm_ss/io.cc: Check negative values.
1438 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1441 * include/bits/chrono_io.h (__formatter_chrono::_S_floor_seconds):
1442 Handle duration and hh_mm_ss.
1443 * testsuite/20_util/duration/io.cc: Check locale-specific
1445 * testsuite/std/time/hh_mm_ss/io.cc: Likewise.
1447 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1449 * include/std/format (__write_padded): Initialize first element
1450 of array to avoid a -Wmaybe-uninitialized warning.
1452 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1455 * include/bits/chrono_io.h (__formatter_chrono::_M_parse): Fix
1456 allowed modifiers for %z and %Z. Fix -Wparentheses and
1457 -Wnarrowing warnings.
1458 (__formatter_chrono::_M_format): Call new functions for %d, %e,
1460 (__formatter_chrono::_M_c): Use _S_floor_seconds to remove
1461 subsecond precision.
1462 (__formatter_chrono::_M_C_y_Y): Use _M_locale_fmt to handle
1464 (__formatter_chrono::_M_e): Replace with _M_d_e and use
1466 (__formatter_chrono::_M_I): Replace with _M_H_I and use
1468 (__formatter_chrono::_M_m): New function.
1469 (__formatter_chrono::_M_M): New function.
1470 (__formatter_chrono::_M_r): Use _M_locale_fmt.
1471 (__formatter_chrono::_M_S): Likewise.
1472 (__formatter_chrono::_M_u_w): Likewise.
1473 (__formatter_chrono::_M_U_V_W): Likewise.
1474 (__formatter_chrono::_M_X): Use _S_floor_seconds.
1475 (__formatter_chrono::_M_Z): Fix untested branch for wchar_t.
1476 (__formatter_chrono::_S_altnum): Remove function.
1477 (__formatter_chrono::_S_dd_zero_fill): Remove function.
1478 (__formatter_chrono::_S_floor_seconds): New function.
1479 (__formatter_chrono::_M_locale_fmt): New function.
1480 * testsuite/std/time/clock/system/io.cc: Adjust expected output
1481 for locale-specific formats and check modified formats.
1482 * testsuite/std/time/clock/utc/io.cc: Likewise.
1483 * testsuite/std/time/zoned_time/io.cc: New test.
1485 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1488 * include/bits/chrono_io.h (__formatter_chrono::_M_parse): Only
1489 allow a single modifier.
1490 * testsuite/std/time/format.cc: Check multiple modifiers.
1492 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1495 * testsuite/21_strings/basic_string/numeric_conversions/char/stod.cc:
1496 Remove dg-require-string-conversions.
1497 * testsuite/21_strings/basic_string/numeric_conversions/char/stof.cc:
1499 * testsuite/21_strings/basic_string/numeric_conversions/char/stoi.cc:
1501 * testsuite/21_strings/basic_string/numeric_conversions/char/stol.cc:
1503 * testsuite/21_strings/basic_string/numeric_conversions/char/stoul.cc:
1506 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1509 * include/bits/basic_string.h [!_GLIBCXX_HAVE_STRTOF] (stof):
1510 Define in terms of std::stod.
1512 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1515 * include/bits/basic_string.h [_GLIBCXX_HAVE_STRTOF] (stof):
1517 [_GLIBCXX_HAVE_STRTOLD] (stold): Define.
1518 * include/c_global/cstdlib [_GLIBCXX_HAVE_STRTOF] (strtof):
1519 Declare in namespace std.
1520 [_GLIBCXX_HAVE_STRTOLD] (strtold): Likewise.
1522 2023-07-13 Jonathan Wakely <jwakely@redhat.com>
1525 * include/bits/basic_string.h (stoi, stol, stoul, stod): Do not
1526 depend on _GLIBCXX_USE_C99_STDLIB.
1527 [__LONG_WIDTH__ == __LONG_LONG_WIDTH__] (stoll, stoull): Define
1528 in terms of stol and stoul respectively.
1529 [__DBL_MANT_DIG__ == __LDBL_MANT_DIG__] (stold): Define in terms
1532 2023-07-12 Jonathan Wakely <jwakely@redhat.com>
1535 * testsuite/27_io/filesystem/path/construct/95048.cc: Check
1536 conversions to wide strings.
1537 * testsuite/experimental/filesystem/path/construct/95048.cc:
1540 2023-07-12 Jonathan Wakely <jwakely@redhat.com>
1542 * config/io/basic_file_stdio.cc: Define LFS macros.
1543 (__basic_file<char>::open): Use fopen unconditionally.
1544 (get_file_offset): Use lseek unconditionally.
1545 (__basic_file<char>::seekoff): Likewise.
1546 (__basic_file<char>::showmanyc): Use fstat unconditionally.
1548 2023-07-12 Jonathan Wakely <jwakely@redhat.com>
1551 * acinclude.m4 (GLIBCXX_CHECK_LFS): Check for fseeko and ftello
1552 and define _GLIBCXX_USE_FSEEKO_FTELLO.
1553 * config.h.in: Regenerate.
1554 * configure: Regenerate.
1555 * config/io/basic_file_stdio.cc (xwrite) [_GLIBCXX_USE_STDIO_PURE]:
1556 Check for fwrite error correctly.
1557 (__basic_file<char>::xsgetn) [_GLIBCXX_USE_STDIO_PURE]: Check for
1558 fread error correctly.
1559 (get_file_offset): New function.
1560 (__basic_file<char>::seekoff) [_GLIBCXX_USE_STDIO_PURE]: Use
1561 fseeko if available. Use get_file_offset instead of return value
1563 (__basic_file<char>::showmanyc): Use get_file_offset.
1565 2023-07-12 Ken Matsui <kmatsui@gcc.gnu.org>
1567 * include/std/type_traits (__make_unsigned_selector): Use
1568 __is_enum built-in trait.
1569 (__make_signed_selector): Likewise.
1570 (__underlying_type_impl): Likewise.
1572 2023-07-06 Tianqiang Shuai <1101282468@qq.com>
1574 * config/io/basic_file_stdio.cc (xwrite) [USE_STDIO_PURE]: Fix
1577 2023-07-06 Jonathan Wakely <jwakely@redhat.com>
1580 * doc/xml/manual/configure.xml: Describe stdio_pure argument to
1582 * doc/html/manual/configure.html: Regenerate.
1584 2023-07-05 Thomas Rodgers <trodgers@redhat.com>
1586 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: Delete
1588 * testsuite/25_algorithms/pstl/alg_sorting/set_difference.cc:
1590 * testsuite/25_algorithms/pstl/alg_sorting/set_intersection.cc:
1592 * testsuite/25_algorithms/pstl/alg_sorting/set_symmetric_difference.cc:
1594 * testsuite/25_algorithms/pstl/alg_sorting/set_union.cc:
1596 * testsuite/25_algorithms/pstl/alg_sorting/set_util.h:
1599 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
1601 * testsuite/23_containers/forward_list/debug/iterator1_neg.cc:
1602 Skip as UNSUPPORTED for C++98 mode.
1603 * testsuite/23_containers/forward_list/debug/iterator3_neg.cc:
1606 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
1609 * include/bits/stl_uninitialized.h (__uninitialized_default_n):
1610 Do not use std::fill_n during constant evaluation.
1612 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
1614 * include/bits/vector.tcc (_M_default_append): Replace try-block
1617 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
1619 * include/bits/iterator_concepts.h (projected): Add typename.
1621 2023-07-03 Jonathan Wakely <jwakely@redhat.com>
1623 * testsuite/27_io/headers/iosfwd/synopsis.cc: Make wsyncbuf and
1624 wosyncstream depend on _GLIBCXX_USE_CXX11_ABI.
1626 2023-07-03 Jonathan Wakely <jwakely@redhat.com>
1628 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
1629 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
1630 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
1631 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
1633 2023-07-03 Jonathan Wakely <jwakely@redhat.com>
1635 * include/bits/alloc_traits.h (_Destroy): Qualify call.
1636 * include/bits/stl_construct.h (_Destroy, _Destroy_n): Likewise.
1637 * testsuite/23_containers/vector/cons/destroy-adl.cc: New test.
1639 2023-07-03 Iain Sandoe <iain@sandoe.co.uk>
1641 * testsuite/lib/libstdc++.exp: Remove additional flag handled
1644 2023-06-30 Jonathan Wakely <jwakely@redhat.com>
1647 * acinclude.m4 (GLIBCXX_CHECK_INIT_PRIORITY): New.
1648 * config.h.in: Regenerate.
1649 * configure: Regenerate.
1650 * configure.ac: Use GLIBCXX_CHECK_INIT_PRIORITY.
1651 * include/std/iostream: Use new autoconf macro as well as
1653 * src/c++98/ios_base_init.h: Use new autoconf macro instead of
1656 2023-06-30 Jonathan Wakely <jwakely@redhat.com>
1658 * src/c++11/random.cc (random_device::_M_init): Add maybe_unused
1661 2023-06-30 Jonathan Wakely <jwakely@redhat.com>
1664 * src/c++11/random.cc (random_device::_M_init): Throw
1665 std::system_error when the requested device is a valid token but
1666 not available at runtime.
1668 2023-06-30 Hans-Peter Nilsson <hp@axis.com>
1671 * include/pstl/unseq_backend_simd.h (__simd_or): Re-apply using
1672 __INT32_TYPE__ instead of int32_t.
1674 2023-06-29 Jonathan Wakely <jwakely@redhat.com>
1676 * src/c++20/tzdb.cc (USE_ATOMIC_SHARED_PTR): Define consistently
1677 with USE_ATOMIC_LIST_HEAD.
1678 (list_mutex): Replace global object with function. Use local
1679 static object when std::mutex constructor isn't constexpr.
1681 2023-06-29 Jonathan Wakely <jwakely@redhat.com>
1684 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check that
1685 copy_file_range can be called with loff_t* arguments.
1686 * configure: Regenerate.
1687 * src/filesystem/ops-common.h (copy_file_copy_file_range):
1688 Use loff_t for offsets.
1690 2023-06-29 Tom Tromey <tromey@adacore.com>
1692 * testsuite/lib/gdb-test.exp (gdb-test): Relax type-printer
1695 2023-06-28 Jan Hubicka <jh@suse.cz>
1697 PR middle-end/109849
1698 * include/bits/c++config (std::__terminate): Mark cold.
1699 * include/bits/functexcept.h: Mark everything as cold.
1700 * libsupc++/exception: Mark terminate and unexpected as cold.
1702 2023-06-26 Thomas Rodgers <trodgers@redhat.com>
1704 * include/pstl/algorithm_fwd.h: Synchronize with upstream.
1705 * include/pstl/algorithm_impl.h: Likewise.
1706 * include/pstl/execution_defs.h: Likewise.
1707 * include/pstl/execution_impl.h: Likewise.
1708 * include/pstl/glue_algorithm_impl.h: Likewise.
1709 * include/pstl/glue_execution_defs.h: Likewise.
1710 * include/pstl/glue_memory_impl.h: Likewise.
1711 * include/pstl/glue_numeric_impl.h: Likewise.
1712 * include/pstl/memory_impl.h: Likewise.
1713 * include/pstl/numeric_fwd.h: Likewise.
1714 * include/pstl/numeric_impl.h: Likewise.
1715 * include/pstl/parallel_backend.h: Likewise.
1716 * include/pstl/parallel_backend_serial.h: Likewise.
1717 * include/pstl/parallel_backend_tbb.h: Likewise.
1718 * include/pstl/parallel_impl.h: Likewise.
1719 * include/pstl/pstl_config.h: Likewise.
1720 * include/pstl/unseq_backend_simd.h: Likewise.
1721 * include/pstl/utils.h: Likewise.
1722 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
1724 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
1726 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc:
1728 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc:
1730 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
1731 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
1733 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
1735 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc:
1737 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc:
1739 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
1741 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
1743 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
1745 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
1747 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc:
1749 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc:
1751 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
1753 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
1755 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
1757 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc:
1759 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc:
1761 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc:
1763 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
1765 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
1767 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc:
1769 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc:
1771 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc:
1773 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc:
1775 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc:
1777 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc:
1779 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc:
1781 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
1783 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc:
1785 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc:
1787 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc:
1789 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc:
1791 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
1793 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc:
1795 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
1797 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc:
1799 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc:
1801 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc:
1803 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc:
1805 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
1807 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc:
1809 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc:
1811 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
1813 * testsuite/25_algorithms/pstl/alg_sorting/set.cc:
1815 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc:
1817 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
1819 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc:
1821 * testsuite/26_numerics/pstl/numeric_ops/scan.cc:
1823 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc:
1825 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc:
1827 * testsuite/util/pstl/test_utils.h:
1830 2023-06-26 Jonathan Wakely <jwakely@redhat.com>
1833 * include/std/format (__format::__parse_integer): Fix buffer
1834 overflow for wide chars.
1835 (formatter<const void*, C>::format): Cast to uintptr_t instead
1837 * testsuite/std/format/string.cc: Test too-large widths.
1839 2023-06-26 Jonathan Wakely <jwakely@redhat.com>
1841 * include/bits/iterator_concepts.h (projected): Replace class
1842 template with alias template denoting an ADL-proofed helper.
1843 (incremental_traits<projected<Iter, Proj>>): Remove.
1844 * testsuite/24_iterators/indirect_callable/projected-adl.cc:
1847 2023-06-26 Jonathan Wakely <jwakely@redhat.com>
1849 * include/debug/helper_functions.h (__get_distance)
1850 (__check_singular, __valid_range_aux, __valid_range): Qualify
1851 calls to disable ADL.
1852 (__check_singular_aux(const _Safe_iterator_base*)): Declare
1853 overload that was previously found via ADL.
1855 2023-06-23 Jonathan Wakely <jwakely@redhat.com>
1857 * include/bits/vector.tcc (_M_realloc_insert): Replace try-block
1860 2023-06-20 Jonathan Wakely <jwakely@redhat.com>
1862 * include/std/array (to_array(T(&)[N])): Remove redundant
1864 (to_array(T(&&)[N])): Remove redundant std::move.
1866 2023-06-16 Alexandre Oliva <oliva@adacore.com>
1868 * testsuite/20_util/from_chars/4.cc: Skip long double on
1871 2023-06-16 Joel Brobecker <brobecker@adacore.com>
1873 * configure.ac ["x${with_newlib}" = "xyes"]: Define
1874 HAVE_HYPOTF. Add compile-checks for various long double
1875 math functions as well.
1876 * configure: Regenerate.
1878 2023-06-14 Jonny Grant <jg@jguk.org>
1880 * doc/xml/manual/extensions.xml: Remove demangle exception
1881 description and include.
1882 * doc/html/manual/ext_demangling.html: Regenerate.
1884 2023-06-10 Hans-Peter Nilsson <hp@axis.com>
1886 * testsuite/27_io/basic_istream/ignore/wchar_t/94749.cc (main)
1887 [! SIMULATOR_TEST]: Also exclude running test05.
1888 * testsuite/27_io/basic_istream/ignore/char/94749.cc: Ditto.
1890 2023-06-09 Ken Matsui <kmatsui@cs.washington.edu>
1892 * include/std/type_traits: Use using instead of typedef
1894 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1897 * src/c++17/floating_from_chars.cc (from_chars) <_Float128>:
1898 Only define if _Float128 and long double have different
1901 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1904 * include/experimental/internet [IPPROTO_TCP || IPPROTO_UDP]
1905 (basic_endpoint, basic_resolver_entry, resolver_base)
1906 (basic_resolver_results, basic_resolver): Only define if the tcp
1907 or udp protocols will be defined.
1909 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1911 * acinclude.m4 (libtool_VERSION): Update to 6.0.33.
1912 * configure: Regenerate.
1913 * doc/xml/manual/abi.xml: Add libstdc++.so.6.0.33.
1914 * doc/html/manual/abi.html: Regenerate.
1916 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1919 * include/std/format (formatter<const void*, charT>::parse):
1920 Only alow 0 and P for C++26 and non-strict modes.
1921 (formatter<const void*, charT>::format): Use toupper for P
1922 type, and insert zero-fill characters for 0 option.
1923 * testsuite/std/format/functions/format.cc: Check pointer
1924 formatting. Only check P2510R3 extensions conditionally.
1925 * testsuite/std/format/parse_ctx.cc: Only check P2510R3
1926 extensions conditionally.
1928 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1931 * include/std/array (to_array): Initialize arrays of trivial
1932 types using memcpy. For non-trivial types, use lambda
1933 expressions instead of a separate helper function.
1934 (__to_array): Remove.
1935 * testsuite/23_containers/array/creation/110167.cc: New test.
1937 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1939 * testsuite/23_containers/deque/modifiers/emplace/52799.cc:
1941 * testsuite/23_containers/deque/modifiers/emplace/const_iterator.cc:
1943 * testsuite/23_containers/list/modifiers/emplace/52799.cc:
1945 * testsuite/23_containers/list/modifiers/emplace/const_iterator.cc:
1947 * testsuite/23_containers/vector/modifiers/emplace/52799.cc:
1949 * testsuite/23_containers/vector/modifiers/emplace/const_iterator.cc:
1951 * testsuite/23_containers/deque/modifiers/emplace/1.cc: New
1953 * testsuite/23_containers/list/modifiers/emplace/1.cc: New
1955 * testsuite/23_containers/vector/modifiers/emplace/1.cc: New
1958 2023-06-07 Jakub Jelinek <jakub@redhat.com>
1961 * testsuite/20_util/to_chars/double.cc: Include <cfloat>.
1962 (double_to_chars_test_cases,
1963 double_scientific_precision_to_chars_test_cases_2,
1964 double_fixed_precision_to_chars_test_cases_2): #if out 1e126, 4.91e-6
1965 and 5.547e-6 tests if FLT_EVAL_METHOD is negative or larger than 1.
1966 Add unconditional tests with corresponding double constants
1967 0x1.7a2ecc414a03fp+418, 0x1.4981285e98e79p-18 and
1968 0x1.7440bbff418b9p-18.
1970 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
1972 * testsuite/util/testsuite_abi.cc (check_version): Re-add
1975 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
1977 * testsuite/18_support/nested_exception/rethrow_if_nested-term.cc:
1978 Require effective target exceptions_enabled instead of using
1980 * testsuite/23_containers/vector/capacity/constexpr.cc: Expect
1981 shrink_to_fit() to be a no-op without exceptions enabled.
1982 * testsuite/23_containers/vector/capacity/shrink_to_fit.cc:
1984 * testsuite/ext/bitmap_allocator/check_allocate_max_size.cc:
1985 Require effective target exceptions_enabled.
1986 * testsuite/ext/malloc_allocator/check_allocate_max_size.cc:
1988 * testsuite/ext/mt_allocator/check_allocate_max_size.cc:
1990 * testsuite/ext/new_allocator/check_allocate_max_size.cc:
1992 * testsuite/ext/pool_allocator/check_allocate_max_size.cc:
1994 * testsuite/ext/throw_allocator/check_allocate_max_size.cc:
1997 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
1999 * testsuite/20_util/duration/cons/2.cc: Use values that aren't
2000 affected by rounding.
2001 * testsuite/20_util/from_chars/5.cc: Cast arithmetic result to
2002 double before comparing for equality.
2003 * testsuite/20_util/from_chars/6.cc: Likewise.
2004 * testsuite/20_util/variant/86874.cc: Use values that aren't
2005 affected by rounding.
2006 * testsuite/25_algorithms/lower_bound/partitioned.cc: Compare to
2007 original value instead of to floating-point-literal.
2008 * testsuite/26_numerics/random/discrete_distribution/cons/range.cc:
2009 Cast arithmetic result to double before comparing for equality.
2010 * testsuite/26_numerics/random/piecewise_constant_distribution/cons/range.cc:
2012 * testsuite/26_numerics/random/piecewise_linear_distribution/cons/range.cc:
2014 * testsuite/26_numerics/valarray/transcend.cc (eq): Check that
2015 the absolute difference is less than 0.01 instead of comparing
2016 to two decimal places.
2017 * testsuite/27_io/basic_istream/extractors_arithmetic/char/01.cc:
2018 Cast arithmetic result to double before comparing for equality.
2019 * testsuite/27_io/basic_istream/extractors_arithmetic/char/09.cc:
2021 * testsuite/27_io/basic_istream/extractors_arithmetic/char/10.cc:
2023 * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/01.cc:
2025 * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/09.cc:
2027 * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/10.cc:
2029 * testsuite/ext/random/hoyt_distribution/cons/parms.cc: Likewise.
2031 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
2034 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
2036 * configure.ac: Use AS_IF.
2037 * configure: Regenerate.
2039 2023-06-07 Thomas Schwinge <thomas@codesourcery.com>
2041 * testsuite/lib/prune.exp (libstdc++-dg-prune): Support
2042 'UNSUPPORTED: [...]: exception handling disabled'.
2044 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
2046 * testsuite/util/testsuite_abi.cc (check_version): Add
2047 CXXABI_1.3.15 symver and make it the latestp. Remove
2048 GLIBCXX_IEEE128_3.4.31 and GLIBCXX_LDBL_3.4.31 from latestp.
2050 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
2051 Jakub Jelinek <jakub@redhat.com>
2054 * include/std/limits: (numeric_limits<__float128>): Define
2055 for __STRICT_ANSI__ as well.
2056 * testsuite/18_support/numeric_limits/128bit.cc: Remove
2057 check for __STRICT_ANSI__.
2059 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
2061 * configure.ac: Use AS_IF.
2062 * configure: Regenerate.
2064 2023-06-06 Matthias Kretz <m.kretz@gsi.de>
2067 * include/experimental/bits/simd_builtin.h (_S_store): Rewrite
2068 to avoid casts to other vector types. Implement store as
2069 succession of power-of-2 sized memcpy to avoid PR90424.
2071 2023-06-06 Matthias Kretz <m.kretz@gsi.de>
2074 * include/experimental/bits/simd_builtin.h (_S_masked_store):
2075 Call into deduced ABI's SimdImpl after conversion.
2076 * include/experimental/bits/simd_x86.h (_S_masked_store_nocvt):
2077 Don't use _mm_maskmoveu_si128. Use the generic fall-back
2078 implementation. Also fix masked stores without SSE2, which
2079 were not doing anything before.
2081 2023-06-06 Matthias Kretz <m.kretz@gsi.de>
2083 * include/experimental/bits/simd.h (__bit_cast): Use
2084 __gnu__::__vector_size__ instead of gnu::vector_size.
2086 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
2089 * include/std/array (__array_traits<T, 0>::operator T*()): Make
2090 conversion operator explicit.
2091 (array::front): Use size_type as subscript operand.
2092 (array::data): Use static_cast to make conversion explicit.
2093 * testsuite/23_containers/array/element_access/110139.cc: New
2096 2023-06-06 Joseph Faulls <Joseph.Faulls@imgtec.com>
2098 * include/bits/locale_classes.tcc: Remove check for
2099 codecvt<char8_t, char, mbstate_t> facet.
2101 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
2103 * src/filesystem/ops-common.h (do_copy_file) [O_CLOEXEC]: Set
2104 close-on-exec flag on file descriptors.
2106 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
2109 * src/filesystem/ops-common.h (do_copy_file): Check for empty
2110 files by trying to read a character.
2111 * testsuite/27_io/filesystem/operations/copy_file_108178.cc:
2114 2023-06-06 Jannik Glückert <jannik.glueckert@gmail.com>
2116 * acinclude.m4 (_GLIBCXX_USE_COPY_FILE_RANGE): Define.
2117 * config.h.in: Regenerate.
2118 * configure: Regenerate.
2119 * src/filesystem/ops-common.h (copy_file_copy_file_range):
2120 Define new function.
2121 (do_copy_file): Use it.
2123 2023-06-06 Jannik Glückert <jannik.glueckert@gmail.com>
2125 * acinclude.m4 (_GLIBCXX_HAVE_LSEEK): Define.
2126 * config.h.in: Regenerate.
2127 * configure: Regenerate.
2128 * src/filesystem/ops-common.h (copy_file_sendfile): Define new
2129 function for sendfile logic. Loop to support large files. Skip
2131 (do_copy_file): Use it.
2133 2023-06-04 Jason Merrill <jason@redhat.com>
2136 * libsupc++/eh_call.cc (__cxa_call_terminate): Take void*.
2137 * config/abi/pre/gnu.ver: Add it.
2139 2023-06-02 François Dumont <fdumont@gcc.gnu.org>
2141 * include/parallel/algobase.h: Include <parallel/search.h>.
2143 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
2145 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc:
2146 Add const to equality operator.
2148 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
2150 * include/std/expected (expected::and_then, expected::or_else)
2151 (expected::transform_error): Use _M_val and _M_unex instead of
2152 calling value() and error(), as per LWG 3938.
2153 (expected::transform): Likewise. Remove incorrect std::move
2154 calls from lvalue overloads.
2155 (expected<void, E>::and_then, expected<void, E>::or_else)
2156 (expected<void, E>::transform): Use _M_unex instead of calling
2158 * testsuite/20_util/expected/lwg3877.cc: Add checks for and_then
2159 and transform, and for std::expected<void, E>.
2160 * testsuite/20_util/expected/lwg3938.cc: New test.
2162 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
2165 * include/bits/stl_vector.h (_Vector_base::_M_invariant):
2167 (vector::size, vector::capacity): Remove calls to _M_invariant.
2168 * include/bits/vector.tcc (vector::_M_fill_assign): Add
2169 optimization hint to reallocating path.
2170 (vector::_M_assign_aux(FwdIter, FwdIter, forward_iterator_tag)):
2172 * testsuite/23_containers/vector/capacity/invariant.cc: Moved
2174 * testsuite/23_containers/vector/modifiers/assign/no_realloc.cc:
2175 ...here. Check assign(FwdIter, FwdIter) too.
2176 * testsuite/23_containers/vector/types/1.cc: Revert addition
2177 of -Wno-stringop-overread option.
2179 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
2181 * doc/xml/manual/evolution.xml: Document removal of implicit
2182 allocator rebinding extensions in strict mode and for C++20.
2183 * doc/html/*: Regenerate.
2185 2023-06-01 Jason Merrill <jason@redhat.com>
2187 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Don't check
2188 handlers in the cleanup phase.
2190 2023-06-01 Matthias Kretz <m.kretz@gsi.de>
2193 * include/experimental/bits/simd.h (__vectorized_sizeof): With
2194 __have_neon_a32 only single-precision float works (in addition
2197 2023-06-01 François Dumont <fdumont@gcc.gnu.org>
2199 * include/bits/stl_algo.h
2200 (std::__search, std::search(_FwdIt1, _FwdIt1, _FwdIt2, _FwdIt2, _BinPred)): Move...
2201 * include/bits/stl_algobase.h: ...here.
2202 * include/std/functional: Replace <stl_algo.h> include by <stl_algobase.h>.
2203 * include/parallel/algo.h (std::__parallel::search<_FIt1, _FIt2, _BinaryPred>)
2204 (std::__parallel::__search_switch<_FIt1, _FIt2, _BinaryPred, _ItTag1, _ItTag2>):
2206 * include/parallel/algobase.h: ...here.
2207 * include/experimental/functional: Remove <bits/stl_algo.h> and <parallel/algorithm>
2208 includes. Include <bits/stl_algobase.h>.
2210 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2213 * acinclude.m4 (GLIBCXX_ENABLE_C99): Add separate check for
2214 float_t and double_t and define HAVE_C99_FLT_EVAL_TYPES.
2215 * config.h.in: Regenerate.
2216 * configure: Regenerate.
2217 * include/c_global/cmath (float_t, double_t): Guard using new
2218 _GLIBCXX_HAVE_C99_FLT_EVAL_TYPES macro.
2220 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2222 * acinclude.m4 (GLIBCXX_ENABLE_C99): Add checks for C99 math
2223 functions and define _GLIBCXX_USE_C99_MATH_FUNCS. Move checks
2224 for C99 rounding functions to here.
2225 (GLIBCXX_CHECK_C99_TR1): Remove checks for C99 rounding
2226 functions from here.
2227 * config.h.in: Regenerate.
2228 * configure: Regenerate.
2229 * include/bits/random.h: Use _GLIBCXX_USE_C99_MATH_FUNCS instead
2230 of _GLIBCXX_USE_C99_MATH_TR1.
2231 * include/bits/random.tcc: Likewise.
2232 * include/c_compatibility/math.h: Likewise.
2233 * include/c_global/cmath: Likewise.
2234 * include/ext/random: Likewise.
2235 * include/ext/random.tcc: Likewise.
2236 * include/std/complex: Likewise.
2237 * testsuite/20_util/from_chars/4.cc: Likewise.
2238 * testsuite/20_util/from_chars/8.cc: Likewise.
2239 * testsuite/26_numerics/complex/proj.cc: Likewise.
2240 * testsuite/26_numerics/headers/cmath/60401.cc: Likewise.
2241 * testsuite/26_numerics/headers/cmath/types_std_c++0x.cc:
2243 * testsuite/lib/libstdc++.exp (check_v3_target_cstdint):
2245 * testsuite/util/testsuite_random.h: Likewise.
2247 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2249 * include/bits/stl_vector.h (_Vector_base::_M_invariant()): New
2251 (vector::size(), vector::capacity()): Call _M_invariant().
2252 * testsuite/23_containers/vector/capacity/invariant.cc: New test.
2253 * testsuite/23_containers/vector/types/1.cc: Add suppression for
2254 false positive warning (PR110060).
2256 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2259 * src/c++17/floating_from_chars.cc: Check __FLT128_MANT_DIG__ is
2260 defined before trying to use _Float128.
2262 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2264 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Fix for 32-bit pointers
2265 to check __INT_PTR_WIDTH__ instead of sizeof(void*).
2266 * configure: Regenerate.
2268 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2270 * include/bits/unique_lock.h: Include <bits/error_constants.h>
2271 here for std::errc constants.
2272 * include/std/mutex: Do not include <bits/error_constants.h> and
2275 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2277 * configure.ac: Replace use of -o operator for test.
2278 * configure: Regenerate.
2280 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2282 * include/std/scoped_allocator (scoped_allocator_adaptor): Add
2283 noexcept to all constructors except the default constructor.
2284 (scoped_allocator_adaptor::inner_allocator): Add noexcept.
2285 (scoped_allocator_adaptor::outer_allocator): Likewise.
2286 * testsuite/20_util/scoped_allocator/noexcept.cc: New test.
2288 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2291 * include/std/limits (numeric_limits<__float128>): Define.
2292 * testsuite/18_support/numeric_limits/128bit.cc: New test.
2294 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2296 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Extend logic for avr and
2297 msp430 to all 16-bit targets.
2298 * configure: Regenerate.
2300 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2303 * src/c++17/floating_from_chars.cc (USE_STRTOF128_FOR_FROM_CHARS):
2304 Only define when USE_STRTOD_FOR_FROM_CHARS is also defined.
2305 (USE_STRTOD_FOR_FROM_CHARS): Do not undefine when long double is
2307 (from_chars(const char*, const char*, double&, chars_format)):
2308 Check __LDBL_MANT_DIG__ == __DBL_MANT_DIG__ here.
2309 (from_chars(const char*, const char*, _Float128&, chars_format))
2310 Only use from_chars_strtod when USE_STRTOD_FOR_FROM_CHARS is
2311 defined, otherwise parse a long double and convert to _Float128.
2313 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2316 * include/std/iomanip (operator>>(basic_istream&, _Setfill)):
2317 Add deprecated attribute to non-standard overload.
2318 * doc/xml/manual/evolution.xml: Document deprecation.
2319 * doc/html/*: Regenerate.
2320 * testsuite/27_io/manipulators/standard/char/1.cc: Add
2321 dg-warning for expected deprecated warning.
2322 * testsuite/27_io/manipulators/standard/char/2.cc: Likewise.
2323 * testsuite/27_io/manipulators/standard/wchar_t/1.cc: Likewise.
2324 * testsuite/27_io/manipulators/standard/wchar_t/2.cc: Likewise.
2326 2023-05-30 Alexandre Oliva <oliva@adacore.com>
2328 * testsuite/20_util/from_chars/4.cc: Skip long double test06
2330 * testsuite/20_util/to_chars/long_double.cc: Xfail run on
2333 2023-05-30 Matthias Kretz <m.kretz@gsi.de>
2336 * include/experimental/bits/simd.h (to_native): Use int NTTP
2337 as specified in PTS2.
2338 (to_compatible): Likewise. Add missing tag to call mask
2340 * testsuite/experimental/simd/pr109822_cast_functions.cc: New
2343 2023-05-30 Matthias Kretz <m.kretz@gsi.de>
2345 * testsuite/experimental/simd/tests/integer_operators.cc:
2346 Compute expected value differently to avoid getting turned into
2349 2023-05-30 Matthias Kretz <m.kretz@gsi.de>
2351 * testsuite/experimental/simd/tests/operator_cvt.cc: Make long
2352 double <-> (u)long conversion tests conditional on sizeof(long
2353 double) and sizeof(long).
2355 2023-05-26 Matthias Kretz <m.kretz@gsi.de>
2357 * include/experimental/bits/simd_ppc.h (_S_bit_shift_left):
2358 Negative __y is UB, so prefer signed compare.
2360 2023-05-25 Jonathan Wakely <jwakely@redhat.com>
2362 * testsuite/util/testsuite_allocator.h (PointerBase): Add
2363 relational operators.
2365 2023-05-25 Alexandre Oliva <oliva@adacore.com>
2367 * testsuite/20_util/to_chars/long_double.cc: Expect execution
2368 fail on x86-vxworks.
2370 2023-05-24 Matthias Kretz <m.kretz@gsi.de>
2373 * include/experimental/bits/simd.h (__intrinsic_type): If
2374 __ALTIVEC__ is defined, map gnu::vector_size types to their
2375 corresponding __vector T types without losing unsignedness of
2376 integer types. Also prefer long long over long.
2377 * include/experimental/bits/simd_ppc.h (_S_popcount): Cast mask
2378 object to the expected unsigned vector type.
2380 2023-05-24 Matthias Kretz <m.kretz@gsi.de>
2383 * include/experimental/bits/simd.h (__intrinsic_type):
2384 Specialize __intrinsic_type<double, 8> and
2385 __intrinsic_type<double, 16> in any case, but provide the member
2386 type only with __aarch64__.
2388 2023-05-24 Matthias Kretz <m.kretz@gsi.de>
2391 * include/experimental/bits/simd_neon.h (_S_reduce): Add
2392 constexpr and make NEON implementation conditional on
2393 not __builtin_is_constant_evaluated.
2395 2023-05-23 Matthias Kretz <m.kretz@gsi.de>
2398 * include/experimental/bits/simd.h (_SimdWrapper::_M_set):
2399 Avoid vector builtin subscripting in constant expressions.
2400 (resizing_simd_cast): Avoid memcpy if constant_evaluated.
2401 (const_where_expression, where_expression, where)
2402 (__extract_part, simd_mask, _SimdIntOperators, simd): Add either
2403 _GLIBCXX_SIMD_CONSTEXPR (on public APIs), or constexpr (on
2405 * include/experimental/bits/simd_builtin.h (__vector_permute)
2406 (__vector_shuffle, __extract_part, _GnuTraits::_SimdCastType1)
2407 (_GnuTraits::_SimdCastType2, _SimdImplBuiltin)
2408 (_MaskImplBuiltin::_S_store): Add constexpr.
2409 (_CommonImplBuiltin::_S_store_bool_array)
2410 (_SimdImplBuiltin::_S_load, _SimdImplBuiltin::_S_store)
2411 (_SimdImplBuiltin::_S_reduce, _MaskImplBuiltin::_S_load): Add
2412 constant_evaluated case.
2413 * include/experimental/bits/simd_fixed_size.h
2414 (_S_masked_load): Reword comment.
2415 (__tuple_element_meta, __make_meta, _SimdTuple::_M_apply_r)
2416 (_SimdTuple::_M_subscript_read, _SimdTuple::_M_subscript_write)
2417 (__make_simd_tuple, __optimize_simd_tuple, __extract_part)
2418 (__autocvt_to_simd, _Fixed::__traits::_SimdBase)
2419 (_Fixed::__traits::_SimdCastType, _SimdImplFixedSize): Add
2421 (_SimdTuple::operator[], _M_set): Add constexpr and add
2422 constant_evaluated case.
2423 (_MaskImplFixedSize::_S_load): Add constant_evaluated case.
2424 * include/experimental/bits/simd_scalar.h: Add constexpr.
2425 * include/experimental/bits/simd_x86.h (_CommonImplX86): Add
2426 constexpr and add constant_evaluated case.
2427 (_SimdImplX86::_S_equal_to, _S_not_equal_to, _S_less)
2428 (_S_less_equal): Value-initialize to satisfy constexpr
2430 (_MaskImplX86::_S_load): Add constant_evaluated case.
2431 (_MaskImplX86::_S_store): Add constexpr and constant_evaluated
2432 case. Value-initialize local variables.
2433 (_MaskImplX86::_S_logical_and, _S_logical_or, _S_bit_not)
2434 (_S_bit_and, _S_bit_or, _S_bit_xor): Add constant_evaluated
2436 * testsuite/experimental/simd/pr109261_constexpr_simd.cc: New
2439 2023-05-22 Matthias Kretz <m.kretz@gsi.de>
2441 * include/experimental/bits/simd_builtin.h (_S_fpclassify): Move
2442 __infn into #ifdef'ed block.
2443 * testsuite/experimental/simd/tests/fpclassify.cc: Declare
2444 constants only when used.
2445 * testsuite/experimental/simd/tests/frexp.cc: Likewise.
2446 * testsuite/experimental/simd/tests/logarithm.cc: Likewise.
2447 * testsuite/experimental/simd/tests/trunc_ceil_floor.cc:
2449 * testsuite/experimental/simd/tests/ldexp_scalbn_scalbln_modf.cc:
2450 Move totest and expect1 into #ifdef'ed block.
2452 2023-05-19 Gerald Pfeifer <gerald@pfeifer.com>
2454 * doc/xml/manual/strings.xml: Move lafstern.org reference to https.
2455 * doc/html/manual/strings.html: Regenerate.
2457 2023-05-17 Jakub Jelinek <jakub@redhat.com>
2460 * testsuite/26_numerics/headers/cmath/constexpr_std_c++23.cc: New test.
2462 2023-05-17 Jakub Jelinek <jakub@redhat.com>
2465 * include/c_global/cmath (atan2, fmod, pow): Move
2466 __gnu_cxx::__promote_2 using templates after _Float{16,32,64,128} and
2467 __gnu_cxx::__bfloat16_t overloads.
2468 (copysign, fdim, fmax, fmin, hypot, nextafter, remainder, remquo):
2470 (fma): Move __gnu_cxx::__promote_3 using template after
2471 _Float{16,32,64,128} and __gnu_cxx::__bfloat16_t overloads.
2473 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
2475 * testsuite/18_support/headers/limits/synopsis.cc: Uncomment
2476 checks for float_round_style and float_denorm_style.
2478 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
2480 * include/bits/c++config: Add system_header pragma.
2482 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
2484 * include/std/expected (expected::and_then, expected::or_else)
2485 (expected::transform, expected::transform_error): Fix exception
2486 specifications as per LWG 3877.
2487 (expected<void, E>::and_then, expected<void, E>::transform):
2489 * testsuite/20_util/expected/lwg3877.cc: New test.
2491 2023-05-17 Ken Matsui <kmatsui@cs.washington.edu>
2493 * include/std/type_traits: Use __bool_constant instead of
2496 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
2498 * configure: Regenerate.
2500 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2503 * acinclude.m4 (GLIBCXX_CHECK_ALIGNAS_CACHELINE): Define.
2504 * config.h.in: Regenerate.
2505 * configure: Regenerate.
2506 * configure.ac: Use GLIBCXX_CHECK_ALIGNAS_CACHELINE.
2507 * src/c++11/shared_ptr.cc (__gnu_internal::get_mutex): Do not
2508 align lock table if not supported. use __GCC_DESTRUCTIVE_SIZE
2509 instead of hardcoded 64.
2511 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2513 * acinclude.m4 (GLIBCXX_USE_C99): Check for isblank in C++11
2514 mode and define _GLIBCXX_USE_C99_CTYPE. Check for <fenv.h>
2515 functions in C++11 mode and define _GLIBCXX_USE_C99_FENV.
2516 * config.h.in: Regenerate.
2517 * configure: Regenerate.
2518 * include/c_compatibility/fenv.h: Check _GLIBCXX_USE_C99_FENV
2519 instead of _GLIBCXX_USE_C99_FENV_TR1.
2520 * include/c_global/cfenv: Likewise.
2521 * include/c_global/cctype: Check _GLIBCXX_USE_C99_CTYPE instead
2522 of _GLIBCXX_USE_C99_CTYPE_TR1.
2524 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2526 * acinclude.m4 (GLIBCXX_USE_C99): Check for <stdint.h> types in
2527 C++11 mode and define _GLIBCXX_USE_C99_STDINT. Check for
2528 <inttypes.h> features in C++11 mode and define
2529 _GLIBCXX_USE_C99_INTTYPES and _GLIBCXX_USE_C99_INTTYPES_WCHAR_T.
2530 * config.h.in: Regenerate.
2531 * configure: Regenerate.
2532 * doc/doxygen/user.cfg.in (PREDEFINED): Add new macros.
2533 * include/bits/chrono.h: Check _GLIBCXX_USE_C99_STDINT instead
2534 of _GLIBCXX_USE_C99_STDINT_TR1.
2535 * include/c_compatibility/inttypes.h: Check
2536 _GLIBCXX_USE_C99_INTTYPES and _GLIBCXX_USE_C99_INTTYPES_WCHAR_T
2537 instead of _GLIBCXX_USE_C99_INTTYPES_TR1 and
2538 _GLIBCXX_USE_C99_INTTYPES_WCHAR_T_TR1.
2539 * include/c_compatibility/stdatomic.h: Check
2540 _GLIBCXX_USE_C99_STDINT instead of _GLIBCXX_USE_C99_STDINT_TR1.
2541 * include/c_compatibility/stdint.h: Likewise.
2542 * include/c_global/cinttypes: Check _GLIBCXX_USE_C99_INTTYPES
2543 and _GLIBCXX_USE_C99_INTTYPES_WCHAR_T instead of
2544 _GLIBCXX_USE_C99_INTTYPES_TR1 and
2545 _GLIBCXX_USE_C99_INTTYPES_WCHAR_T_TR1.
2546 * include/c_global/cstdint: Check _GLIBCXX_USE_C99_STDINT
2547 instead of _GLIBCXX_USE_C99_STDINT_TR1.
2548 * include/std/atomic: Likewise.
2549 * src/c++11/cow-stdexcept.cc: Likewise.
2550 * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc:
2552 * testsuite/lib/libstdc++.exp (check_v3_target_cstdint):
2555 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2557 * acinclude.m4 (GLIBCXX_USE_C99): Check for complex inverse trig
2558 functions in C++11 mode and define _GLIBCXX_USE_C99_COMPLEX_ARC.
2559 * config.h.in: Regenerate.
2560 * configure: Regenerate.
2561 * doc/doxygen/user.cfg.in (PREDEFINED): Add new macro.
2562 * include/std/complex: Check _GLIBCXX_USE_C99_COMPLEX_ARC
2563 instead of _GLIBCXX_USE_C99_COMPLEX_TR1.
2565 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2567 * testsuite/ext/debug_allocator/check_deallocate_null.cc: Add
2568 assertion to ensure expected exception is throw.
2570 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2572 * testsuite/libstdc++-prettyprinters/chrono.cc: Only test
2573 printer for chrono::zoned_time for cx11 ABI and tzdb effective
2576 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2578 * acinclude.m4 (GLIBCXX_CHECK_PTHREAD_MUTEX_CLOCKLOCK): Define
2579 _GLIBCXX_USE_PTHREAD_MUTEX_CLOCKLOCK in terms of _GLIBCXX_TSAN.
2580 * configure: Regenerate.
2582 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2584 * acinclude.m4 (GLIBCXX_CHECK_C99_TR1): Use a non-null pointer
2585 to check for nan, nanf, and nanl.
2586 * configure: Regenerate.
2588 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2590 * include/bits/char_traits.h (char_traits<char16_t>): Do not
2591 depend on _GLIBCXX_USE_C99_STDINT_TR1.
2592 (char_traits<char32_t>): Likewise.
2593 * include/experimental/source_location: Likewise.
2595 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2597 * include/std/atomic (atomic_int_least8_t, atomic_uint_least8_t)
2598 (atomic_int_least16_t, atomic_uint_least16_t)
2599 (atomic_int_least32_t, atomic_uint_least32_t)
2600 (atomic_int_least64_t, atomic_uint_least64_t)
2601 (atomic_int_fast16_t, atomic_uint_fast16_t)
2602 (atomic_int_fast32_t, atomic_uint_fast32_t)
2603 (atomic_int_fast64_t, atomic_uint_fast64_t)
2604 (atomic_intmax_t, atomic_uintmax_t): Define unconditionally.
2605 * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc: Adjust.
2607 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2609 * include/bits/algorithmfwd.h (shuffle): Do not depend on
2610 _GLIBCXX_USE_C99_STDINT_TR1.
2611 * include/bits/ranges_algo.h (shuffle): Likewise.
2612 * include/bits/stl_algo.h (shuffle): Likewise.
2613 * include/ext/random: Likewise.
2614 * include/ext/throw_allocator.h (random_condition): Likewise.
2615 * include/std/random: Likewise.
2616 * src/c++11/cow-string-inst.cc: Likewise.
2617 * src/c++11/random.cc: Likewise.
2619 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2621 * testsuite/experimental/feat-cxx14.cc: Remove dependency on
2622 _GLIBCXX_USE_C99_STDINT_TR1.
2624 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2626 * testsuite/22_locale/locale/cons/unicode.cc: Remove dependency
2627 on _GLIBCXX_USE_C99_STDINT_TR1.
2629 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2631 * testsuite/21_strings/basic_string_view/typedefs.cc: Remove
2632 dependency on _GLIBCXX_USE_C99_STDINT_TR1.
2633 * testsuite/experimental/string_view/typedefs.cc: Likewise.
2635 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
2637 * src/c++17/floating_from_chars.cc [USE_STRTOD_FOR_FROM_CHARS]
2638 (auto_locale, auto_ferounding): New class types.
2639 (from_chars_impl): Use auto_locale and auto_ferounding.
2641 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
2644 * include/std/chrono (hh_mm_ss::__fits): Remove variable
2646 (hh_mm_ss::__subseconds): Remove __fits from constraints.
2647 * testsuite/std/time/hh_mm_ss/109772.cc: New test.
2648 * testsuite/std/time/hh_mm_ss/1.cc: Adjust expected size for
2649 hh_mm_ss<duration<int, std::pico>>.
2651 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
2653 * config/abi/pre/gnu.ver: Export basic_string::_S_allocate.
2654 * include/bits/basic_ios.h: Add static assertion checking
2655 traits_type::value_type.
2656 * include/bits/basic_string.h: Likewise. Do not rebind
2657 allocator, and add static assertion checking its value_type.
2658 (basic_string::_Alloc_traits_impl): Remove class template.
2659 (basic_string::_S_allocate): New static member function.
2660 (basic_string::assign): Use _S_allocate.
2661 * include/bits/basic_string.tcc (basic_string::_M_create)
2662 (basic_string::reserve, basic_string::_M_replace): Likewise.
2663 * testsuite/21_strings/basic_string/requirements/explicit_instantiation/debug.cc:
2664 Disable for C++20 and later.
2665 * testsuite/21_strings/basic_string/requirements/explicit_instantiation/int.cc:
2668 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
2671 * include/bits/std_abs.h (abs(__float128)): Handle negative NaN
2672 and negative zero correctly.
2673 * testsuite/26_numerics/headers/cmath/109758.cc: New test.
2675 2023-05-10 François Dumont <fdumont@gcc.gnu.org>
2677 * include/bits/hashtable_policy.h
2678 (_NodeBuilder<>::_S_build): Use __node_ptr.
2679 (_ReuseOrAllocNode<>): Use __node_ptr in place of __node_type*.
2680 (_AllocNode<>): Likewise.
2681 (_Equality<>::_M_equal): Remove const_iterator usages. Only preserved
2682 to call std::is_permutation in the non-unique key implementation.
2683 * include/bits/hashtable.h (_Hashtable<>::_M_update_begin()): Capture
2685 (_Hashtable<>::_M_bucket_begin(size_type)): Implement implicitly inline.
2686 (_Hashtable<>::_M_insert_bucket_begin): Likewise.
2687 (_Hashtable<>::_M_remove_bucket_begin): Likewise.
2688 (_Hashtable<>::_M_compute_hash_code): Use __node_ptr rather than
2690 (_Hashtable<>::find): Likewise.
2691 (_Hashtable<>::_M_emplace): Likewise.
2692 (_Hashtable<>::_M_insert_unique): Likewise.
2694 2023-05-09 Jonathan Wakely <jwakely@redhat.com>
2696 * python/libstdcxx/v6/printers.py (StdChronoDurationPrinter):
2697 Print floating-point durations correctly.
2698 (StdChronoTimePointPrinter): Support printing only the value,
2699 not the type name. Uncomment handling for known clocks.
2700 (StdChronoZonedTimePrinter): Remove type names from output.
2701 (StdChronoCalendarPrinter): Fix hh_mm_ss member access.
2702 (StdChronoTimeZonePrinter): Add equals sign to output.
2703 * testsuite/libstdc++-prettyprinters/chrono.cc: New test.
2705 2023-05-05 Alexandre Oliva <oliva@adacore.com>
2707 * testsuite/20_util/from_chars/4.cc: Skip long double test06
2709 * testsuite/20_util/to_chars/long_double.cc: Xfail run on
2712 2023-05-04 Jonathan Wakely <jwakely@redhat.com>
2714 * doc/xml/manual/abi.xml (abi.versioning.history): Document
2715 libstdc++.so.6.0.32 and GLIBCXX_3.4.32 version.
2716 * doc/html/manual/abi.html: Regenerate.
2718 2023-05-04 Florian Weimer <fweimer@redhat.com>
2720 * doc/xml/manual/abi.xml (abi.versioning.history): Add
2721 GCC_7.0.0, GCC_9.0.0, GCC_11.0, GCC_12.0.0, GCC_13.0.0 for
2724 2023-05-03 Jakub Jelinek <jakub@redhat.com>
2726 * src/c++17/floating_from_chars.cc
2727 (_ZSt10from_charsPKcS0_RDF128_St12chars_format): New alias to
2728 _ZSt10from_charsPKcS0_Ru9__ieee128St12chars_format.
2729 * src/c++17/floating_to_chars.cc (_ZSt8to_charsPcS_DF128_): New alias to
2730 _ZSt8to_charsPcS_u9__ieee128.
2731 (_ZSt8to_charsPcS_DF128_St12chars_format): New alias to
2732 _ZSt8to_charsPcS_u9__ieee128St12chars_format.
2733 (_ZSt8to_charsPcS_DF128_St12chars_formati): New alias to
2734 _ZSt8to_charsPcS_u9__ieee128St12chars_formati.
2735 * config/abi/post/powerpc64le-linux-gnu/baseline_symbols.txt: Updated.
2737 2023-05-03 Jakub Jelinek <jakub@redhat.com>
2739 * configure.host (abi_baseline_pair): Use powerpc64le-linux-gnu
2740 rather than powerpc64-linux-gnu for powerpc64le*-linux*.
2741 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Remove
2742 _ZTI*DF128_, _ZTI*DF64x symbols and symbols in
2743 GLIBCXX_IEEE128_3.4.{29,30,31} and CXXABI_IEEE128_1.3.13 symbol
2745 * config/abi/post/powerpc64le-linux-gnu/baseline_symbols.txt: New
2748 2023-05-03 Kefu Chai <kefu.chai@scylladb.com>
2749 Jonathan Wakely <jwakely@redhat.com>
2752 * include/bits/basic_string.h (basic_string(Iter, Iter, Alloc)):
2753 Initialize _M_string_length.
2755 2023-05-02 Jakub Jelinek <jakub@redhat.com>
2757 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
2758 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
2759 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
2760 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
2761 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
2762 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
2763 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
2764 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2766 2023-05-02 Jakub Jelinek <jakub@redhat.com>
2769 * src/c++98/ios_init.cc: Add #pragma GCC diagnostic ignored for
2772 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
2774 * include/bits/random.h (gamma_distribution): Add to the right
2776 (discrete_distribution, piecewise_constant_distribution)
2777 (piecewise_linear_distribution): Create a new doxygen group and
2778 fix the incomplete doxygen comments.
2779 * include/bits/uniform_int_dist.h (uniform_int_distribution):
2780 Add to doxygen group.
2782 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
2784 * include/bits/uses_allocator.h: Add missing @file comment.
2785 * include/bits/regex.tcc: Remove stray doxygen comments.
2786 * include/experimental/memory_resource: Likewise.
2787 * include/std/bit: Tweak doxygen @cond comments.
2788 * include/std/expected: Likewise.
2789 * include/std/numbers: Likewise.
2791 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
2793 * doc/doxygen/user.cfg.in (STRIP_FROM_PATH): Remove prefixes
2796 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
2798 * include/bits/move.h: Simplify opening/closing namespace std.
2800 2023-04-28 Jakub Jelinek <jakub@redhat.com>
2803 * config/abi/pre/gnu.ver (GLIBCXX_3.4.32): Export
2804 _ZSt21ios_base_library_initv.
2805 * testsuite/util/testsuite_abi.cc (check_version): Add GLIBCXX_3.4.32
2806 symver and make it the latestp.
2807 * src/c++98/ios_init.cc (ios_base_library_init): New alias.
2808 * acinclude.m4 (libtool_VERSION): Change to 6:32:0.
2809 * include/std/iostream: If init_priority attribute is supported
2810 and _GLIBCXX_SYMVER_GNU, force undefined _ZSt21ios_base_library_initv
2811 symbol into the object.
2812 * configure: Regenerated.
2814 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2816 * include/bits/mofunc_impl.h: Fix typo in doxygen comment.
2817 * include/std/format: Likewise.
2819 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2821 * doc/doxygen/user.cfg.in (FORMULA_TRANSPARENT, DOT_FONTNAME)
2822 (DOT_FONTSIZE, DOT_TRANSPARENT): Remove obsolete options.
2824 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2826 * doc/doxygen/user.cfg.in (SOURCE_BROWSER): Only set to YES for
2828 * include/bits/gslice_array.h (_DEFINE_VALARRAY_OPERATOR): Omit
2830 * include/bits/indirect_array.h (_DEFINE_VALARRAY_OPERATOR):
2832 * include/bits/mask_array.h (_DEFINE_VALARRAY_OPERATOR):
2834 * include/bits/slice_array.h (_DEFINE_VALARRAY_OPERATOR):
2836 * include/std/valarray (_DEFINE_VALARRAY_UNARY_OPERATOR)
2837 (_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT)
2838 (_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT)
2839 (_DEFINE_BINARY_OPERATOR): Likewise.
2841 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2843 * include/bits/memory_resource.h: Improve doxygen comments.
2844 * include/std/memory_resource: Likewise.
2846 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2849 * include/bits/basic_string.h: Improve doxygen comments.
2850 * include/bits/cow_string.h: Likewise.
2851 * include/bits/forward_list.h: Likewise.
2852 * include/bits/fs_dir.h: Likewise.
2853 * include/bits/fs_path.h: Likewise.
2854 * include/bits/quoted_string.h: Likewise.
2855 * include/bits/stl_bvector.h: Likewise.
2856 * include/bits/stl_map.h: Likewise.
2857 * include/bits/stl_multimap.h: Likewise.
2858 * include/bits/stl_multiset.h: Likewise.
2859 * include/bits/stl_set.h: Likewise.
2860 * include/bits/stl_vector.h: Likewise.
2861 * include/bits/unordered_map.h: Likewise.
2862 * include/bits/unordered_set.h: Likewise.
2863 * include/std/filesystem: Likewise.
2864 * include/std/iomanip: Likewise.
2866 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2869 * src/c++11/random.cc (__throw_syserr): New function.
2870 (random_device::_M_init, random_device::_M_init_pretr1): Use new
2871 function for bad tokens.
2872 (random_device::_M_getval): Use new function for read errors.
2873 * testsuite/util/testsuite_random.h (random_device_available):
2874 Change catch handler to use std::system_error.
2876 2023-04-24 Patrick Palka <ppalka@redhat.com>
2878 * include/bits/max_size_type.h (__max_diff_type::operator>>=):
2879 Fix propagation of sign bit.
2880 * testsuite/std/ranges/iota/max_size_type.cc: Avoid using the
2881 non-standard 'signed typedef-name'. Add some compile-time tests
2882 for right-shifting a negative __max_diff_type value by more than
2885 2023-04-19 Patrick Palka <ppalka@redhat.com>
2886 Jonathan Wakely <jwakely@redhat.com>
2889 * include/bits/utility.h (_Nth_type): Conditionally define in
2890 terms of __type_pack_element if available.
2891 * testsuite/20_util/tuple/element_access/get_neg.cc: Prune
2892 additional errors from the new built-in.
2894 2023-04-19 Jonathan Wakely <jwakely@redhat.com>
2897 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2900 * src/Makefile.am: Move globals_io.cc to here.
2901 * src/Makefile.in: Regenerate.
2902 * src/c++98/Makefile.am: Remove globals_io.cc from here.
2903 * src/c++98/Makefile.in: Regenerate.
2904 * src/c++98/globals_io.cc [_GLIBCXX_SYMVER_GNU] (cin): Adjust
2905 symbol name and then export with GLIBCXX_3.4.31 symver.
2906 (cout, cerr, clog, wcin, wcout, wcerr, wclog): Likewise.
2907 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt:
2909 * config/abi/post/i486-linux-gnu/baseline_symbols.txt:
2911 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt:
2913 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt:
2915 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt:
2917 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt:
2919 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt:
2921 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt:
2923 * config/abi/pre/gnu.ver: Add iostream objects to new symver.
2925 2023-04-19 Jonathan Wakely <jwakely@redhat.com>
2928 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2931 * config/abi/pre/gnu.ver: Fix preprocessor condition.
2933 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2935 * doc/xml/manual/extensions.xml: Fix example to declare and
2936 qualify std::free, and use NULL instead of 0.
2937 * doc/html/manual/ext_demangling.html: Regenerate.
2938 * libsupc++/cxxabi.h: Adjust doxygen comments.
2940 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2943 * config/abi/pre/gnu.ver: Fix preprocessor condition.
2945 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2948 * src/Makefile.am: Move globals_io.cc to here.
2949 * src/Makefile.in: Regenerate.
2950 * src/c++98/Makefile.am: Remove globals_io.cc from here.
2951 * src/c++98/Makefile.in: Regenerate.
2952 * src/c++98/globals_io.cc [_GLIBCXX_SYMVER_GNU] (cin): Adjust
2953 symbol name and then export with GLIBCXX_3.4.31 symver.
2954 (cout, cerr, clog, wcin, wcout, wcerr, wclog): Likewise.
2955 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt:
2957 * config/abi/post/i486-linux-gnu/baseline_symbols.txt:
2959 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt:
2961 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt:
2963 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt:
2965 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt:
2967 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt:
2969 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt:
2971 * config/abi/pre/gnu.ver: Add iostream objects to new symver.
2973 2023-04-18 Patrick Palka <ppalka@redhat.com>
2976 * include/bits/ranges_cmp.h (__cpp_lib_ranges): Bump value
2978 * include/std/ranges (range_adaptor_closure): Define for C++23.
2979 * include/std/version (__cpp_lib_ranges): Bump value for
2981 * testsuite/std/ranges/version_c++23.cc: Bump expected value
2982 of __cpp_lib_ranges.
2983 * testsuite/std/ranges/range_adaptor_closure.cc: New test.
2985 2023-04-18 Patrick Palka <ppalka@redhat.com>
2987 * include/bits/ranges_algo.h (__cpp_lib_ranges_contains):
2989 (__cpp_lib_ranges_iota): Likewise.
2990 (__cpp_lib_ranges_find_last): Likewise.
2991 (__cpp_lib_fold): Rename to ...
2992 (__cpp_lib_ranges_fold): ... this.
2993 * include/std/version: As above.
2994 * testsuite/25_algorithms/fold_left/1.cc: Adjust after
2995 renaming __cpp_lib_fold.
2996 * testsuite/std/ranges/version_c++23.cc: Verify values
2997 of the above feature-test macros.
2999 2023-04-18 Patrick Palka <ppalka@redhat.com>
3002 * include/std/ranges (views::_AsConst::operator()): Add
3003 missing const to constant_range test.
3004 * testsuite/std/ranges/adaptors/as_const/1.cc (test02):
3005 Improve formatting. Adjust expected type of v2.
3008 2023-04-14 Patrick Palka <ppalka@redhat.com>
3010 * include/bits/ranges_base.h (const_iterator_t): Define for C++23.
3011 (const_sentinel_t): Likewise.
3012 (range_const_reference_t): Likewise.
3013 (constant_range): Likewise.
3014 (__cust_access::__possibly_const_range): Likewise, replacing ...
3015 (__cust_access::__as_const): ... this.
3016 (__cust_access::_CBegin::operator()): Redefine for C++23 as per P2278R4.
3017 (__cust_access::_CEnd::operator()): Likewise.
3018 (__cust_access::_CRBegin::operator()): Likewise.
3019 (__cust_access::_CREnd::operator()): Likewise.
3020 (__cust_access::_CData::operator()): Likewise.
3021 * include/bits/ranges_util.h (ranges::__detail::__different_from):
3022 Make it an alias of std::__detail::__different_from.
3023 (view_interface::cbegin): Define for C++23.
3024 (view_interface::cend): Likewise.
3025 * include/bits/stl_iterator.h (__detail::__different_from): Define.
3026 (iter_const_reference_t): Define for C++23.
3027 (__detail::__constant_iterator): Likewise.
3028 (__detail::__is_const_iterator): Likewise.
3029 (__detail::__not_a_const_iterator): Likewise.
3030 (__detail::__iter_const_rvalue_reference_t): Likewise.
3031 (__detail::__basic_const_iter_cat):: Likewise.
3032 (const_iterator): Likewise.
3033 (__detail::__const_sentinel): Likewise.
3034 (const_sentinel): Likewise.
3035 (basic_const_iterator): Likewise.
3036 (common_type<basic_const_iterator<_Tp>, _Up>): Likewise.
3037 (common_type<_Up, basic_const_iterator<_Tp>>): Likewise.
3038 (common_type<basic_const_iterator<_Tp>, basic_const_iterator<Up>>):
3040 (make_const_iterator): Define for C++23.
3041 (make_const_sentinel): Likewise.
3042 * include/std/ranges (__cpp_lib_ranges_as_const): Likewise.
3043 (as_const_view): Likewise.
3044 (enable_borrowed_range<as_const_view>): Likewise.
3045 (views::__detail::__is_ref_view): Likewise.
3046 (views::__detail::__can_is_const_view): Likewise.
3047 (views::_AsConst, views::as_const): Likewise.
3048 * include/std/span (span::const_iterator): Likewise.
3049 (span::const_reverse_iterator): Likewise.
3050 (span::cbegin): Likewise.
3051 (span::cend): Likewise.
3052 (span::crbegin): Likewise.
3053 (span::crend): Likewise.
3054 * include/std/version (__cpp_lib_ranges_as_const): Likewise.
3055 * testsuite/std/ranges/adaptors/join.cc (test06): Adjust to
3056 behave independently of C++20 vs C++23.
3057 * testsuite/std/ranges/version_c++23.cc: Verify value of
3058 __cpp_lib_ranges_as_const macro.
3059 * testsuite/24_iterators/const_iterator/1.cc: New test.
3060 * testsuite/std/ranges/adaptors/as_const/1.cc: New test.
3062 2023-04-14 Patrick Palka <ppalka@redhat.com>
3064 * include/bits/ranges_base.h (__cust_access::__as_const)
3065 (__cust_access::_CBegin, __cust::cbegin)
3066 (__cust_access::_CEnd, __cust::cend)
3067 (__cust_access::_CRBegin, __cust::crbegin)
3068 (__cust_access::_CREnd, __cust::crend)
3069 (__cust_access::_CData, __cust::cdata): Move down definitions to
3070 shortly after the definition of input_range.
3072 2023-04-14 Patrick Palka <ppalka@redhat.com>
3074 * include/bits/ranges_algo.h: Include <optional> for C++23.
3075 (__cpp_lib_fold): Define for C++23.
3076 (in_value_result): Likewise.
3077 (__detail::__flipped): Likewise.
3078 (__detail::__indirectly_binary_left_foldable_impl): Likewise.
3079 (__detail::__indirectly_binary_left_foldable): Likewise.
3080 (___detail:__indirectly_binary_right_foldable): Likewise.
3081 (fold_left_with_iter_result): Likewise.
3082 (__fold_left_with_iter_fn, fold_left_with_iter): Likewise.
3083 (__fold_left_fn, fold_left): Likewise.
3084 (__fold_left_first_with_iter_fn, fold_left_first_with_iter):
3086 (__fold_left_first_fn, fold_left_first): Likewise.
3087 (__fold_right_fn, fold_right): Likewise.
3088 (__fold_right_last_fn, fold_right_last): Likewise.
3089 * include/std/version (__cpp_lib_fold): Likewise.
3090 * testsuite/25_algorithms/fold_left/1.cc: New test.
3091 * testsuite/25_algorithms/fold_right/1.cc: New test.
3093 2023-04-14 Jonathan Wakely <jwakely@redhat.com>
3095 * include/std/format (formatter): Add comment to deleted default
3096 constructor of primary template.
3097 (_Checking_scanner): Add static_assert.
3099 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
3101 * doc/xml/manual/using.xml: Document libstdc++exp.a library.
3102 * doc/html/*: Regenerate.
3104 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
3106 * testsuite/17_intro/names.cc [_AIX]: Do not define policy.
3107 * testsuite/19_diagnostics/error_code/cons/lwg3629.cc: Rename
3108 namespace to avoid clashing with libc struct.
3109 * testsuite/19_diagnostics/error_condition/cons/lwg3629.cc:
3111 * testsuite/23_containers/unordered_map/96088.cc: Skip on AIX.
3112 * testsuite/23_containers/unordered_multimap/96088.cc: Likewise.
3113 * testsuite/23_containers/unordered_multiset/96088.cc: Likewise.
3114 * testsuite/23_containers/unordered_set/96088.cc: Likewise.
3115 * testsuite/experimental/synchronized_value.cc: Require gthreads
3116 and add missing option for pthreads targets.
3118 2023-04-12 Patrick Palka <ppalka@redhat.com>
3120 * include/std/ranges (__cpp_lib_ranges_enumerate): Define
3122 (__detail::__range_with_movable_reference): Likewise.
3123 (enumerate_view): Likewise.
3124 (enumerate_view::_Iterator): Likewise.
3125 (enumerate_view::_Sentinel): Likewise.
3126 (views::__detail::__can_enumerate_view): Likewise.
3127 (views::_Enumerate, views::enumerate): Likewise.
3128 * include/std/version (__cpp_lib_ranges_enumerate): Likewise.
3129 * testsuite/std/ranges/version_c++23.cc: Verify value of
3130 __cpp_lib_ranges_enumerate.
3131 * testsuite/std/ranges/adaptors/enumerate/1.cc: New test.
3133 2023-04-12 Patrick Palka <ppalka@redhat.com>
3135 * include/std/ranges (lazy_split_view::_OuterIter::_OuterIter):
3136 Propagate _M_trailing_empty in the const-converting constructor
3138 * testsuite/std/ranges/adaptors/adjacent/1.cc (test04): Correct
3140 * testsuite/std/ranges/adaptors/lazy_split.cc (test12): New test.
3142 2023-04-12 Patrick Palka <ppalka@redhat.com>
3144 * src/c++17/floating_from_chars.cc: Include <algorithm>,
3145 <iterator>, <limits> and <cstdint>.
3147 2023-04-12 Patrick Palka <ppalka@redhat.com>
3150 * include/std/ranges (chunk_by_view::_M_find_next): Generalize
3151 parameter types of the lambda wrapper passed to adjacent_find.
3152 (chunk_by_view::_M_find_prev): Likewise.
3153 * testsuite/std/ranges/adaptors/chunk_by/1.cc (test04, test05):
3156 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
3159 * include/experimental/internet (basic_endpoint::basic_endpoint()):
3160 Ensure that the required union members are active. Only define
3161 as constexpr for C++20 and later.
3162 (basic_endpoint::basic_endpoint(const protocol_type&, port_type)):
3164 * testsuite/experimental/net/internet/endpoint/cons.cc: Only
3165 check constexpr default constructor for C++20 and later.
3166 * testsuite/experimental/net/internet/endpoint/extensible.cc:
3169 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
3171 * src/c++20/tzdata.zi: Import new file from 2023c release.
3173 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
3175 * include/precompiled/stdc++.h (C++17): Don't double-include
3176 <charconv>, once with wrong conditions.
3177 * testsuite/18_support/96817.cc: Require hosted.
3178 * testsuite/18_support/bad_exception/59392.cc: Ditto.
3179 * testsuite/20_util/scoped_allocator/108952.cc: Ditto.
3180 * testsuite/20_util/uses_allocator/lwg3527.cc: Ditto.
3181 * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
3184 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
3186 * include/bits/c++config: When __STDC_HOSTED__ is zero,
3187 disable _GLIBCXX_DEBUG and, if it was set, enable
3188 _GLIBCXX_ASSERTIONS.
3189 * testsuite/lib/libstdc++.exp (check_v3_target_debug_mode):
3190 Include <bits/c++config.h> when determining whether debug is
3191 set, in order to inherit the logic from above
3193 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
3195 * testsuite/17_intro/versionconflict.cc: New test.
3196 * include/std/version: Allow disabling the system_header pragma
3197 via _GLIBCXX_TESTING_SYSHDR.
3199 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
3201 * include/bits/unique_ptr.h (__cpp_lib_constexpr_memory):
3202 Synchronize the definition block with...
3203 * include/bits/ptr_traits.h (__cpp_lib_constexpr_memory):
3204 ... this one here. Also define the 202202L value, rather than
3205 leaving it up to purely unique_ptr.h, so that the value is
3206 synchronized across all headers.
3207 (__gnu_debug::_Safe_iterator_base): Move into new conditional
3209 * include/std/memory (__cpp_lib_atomic_value_initialization):
3210 Define on freestanding under the same conditions as in
3212 * include/std/version (__cpp_lib_robust_nonmodifying_seq_ops):
3213 Also define on freestanding.
3214 (__cpp_lib_to_chars): Ditto.
3215 (__cpp_lib_gcd): Ditto.
3216 (__cpp_lib_gcd_lcm): Ditto.
3217 (__cpp_lib_raw_memory_algorithms): Ditto.
3218 (__cpp_lib_array_constexpr): Ditto.
3219 (__cpp_lib_nonmember_container_access): Ditto.
3220 (__cpp_lib_clamp): Ditto.
3221 (__cpp_lib_constexpr_char_traits): Ditto.
3222 (__cpp_lib_constexpr_string): Ditto.
3223 (__cpp_lib_sample): Ditto.
3224 (__cpp_lib_lcm): Ditto.
3225 (__cpp_lib_constexpr_iterator): Ditto.
3226 (__cpp_lib_constexpr_char_traits): Ditto.
3227 (__cpp_lib_interpolate): Ditto.
3228 (__cpp_lib_constexpr_utility): Ditto.
3229 (__cpp_lib_shift): Ditto.
3230 (__cpp_lib_ranges): Ditto.
3231 (__cpp_lib_move_iterator_concept): Ditto.
3232 (__cpp_lib_constexpr_numeric): Ditto.
3233 (__cpp_lib_constexpr_functional): Ditto.
3234 (__cpp_lib_constexpr_algorithms): Ditto.
3235 (__cpp_lib_constexpr_tuple): Ditto.
3236 (__cpp_lib_constexpr_memory): Ditto.
3238 2023-04-05 John David Anglin <danglin@gcc.gnu.org>
3240 * testsuite/22_locale/locale/cons/12658_thread-2.cc: Double
3241 timeout factor on hppa*-*-*.
3243 2023-04-05 Jonathan Wakely <jwakely@redhat.com>
3245 * include/bits/regex.h (sub_match::swap): New function.
3246 * testsuite/28_regex/sub_match/lwg3204.cc: New test.
3248 2023-04-04 Jonathan Wakely <jwakely@redhat.com>
3250 * doc/xml/manual/extensions.xml: Remove std::bad_exception from
3252 * doc/html/manual/ext_demangling.html: Regenerate.
3254 2023-03-31 Jonathan Wakely <jwakely@redhat.com>
3256 PR tree-optimization/107087
3257 * include/bits/cow_string.h (basic_string::size()): Add
3258 optimizer hint that _S_empty_rep()._M_length is always zero.
3259 (basic_string::length()): Call size().
3261 2023-03-31 Jonathan Wakely <jwakely@redhat.com>
3264 * include/std/stop_token (_Stop_state_ptr(const stop_source&)):
3265 Add attribute access with access-mode 'none'.
3266 * testsuite/30_threads/stop_token/stop_source/109339.cc: New test.
3268 2023-03-31 Jonathan Wakely <jwakely@redhat.com>
3270 * include/experimental/internet (ip::basic_endpoint::_M_if_v6):
3271 Revert change from member function to data member. Fix for
3272 constant evaluation by detecting which union member is active.
3273 (ip::basic_endpoint::resize): Revert changes to update _M_is_v6
3276 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
3279 * testsuite/20_util/optional/monadic/pr109340.cc: Moved to...
3280 * testsuite/20_util/optional/monadic/pr109242.cc: ...here.
3282 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
3284 * include/experimental/internet (ip::make_address): Implement
3286 (ip::address_v4::broadcast()): Avoid undefined shift.
3287 (ip::basic_endpoint): Fix member functions for constexpr.
3288 (ip::basic_endpoint::_M_is_v6): Replace member function with
3289 data member, adjust member functions using it.
3290 (ip::basic_endpoint::resize): Update _M_is_v6 based on sockaddr
3292 * testsuite/experimental/net/internet/address/v4/cons.cc: Fix
3293 constexpr checks to work in C++14.
3294 * testsuite/experimental/net/internet/address/v4/creation.cc:
3296 * testsuite/experimental/net/internet/endpoint/cons.cc:
3298 * testsuite/experimental/net/internet/network/v4/cons.cc:
3300 * testsuite/experimental/net/internet/network/v4/members.cc:
3302 * testsuite/experimental/net/internet/endpoint/extensible.cc: New test.
3304 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
3306 * include/std/expected (expected::value() &): Use const lvalue
3307 for unex member passed to bad_expected_access constructor, as
3310 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
3313 * include/std/expected (expected::transform): Use
3314 std::remove_cv_t instead of std::remove_cvref_t.
3315 (expected::transform_error): Likewise.
3316 (expected<cv void, E>::transform): Likewise.
3317 (expected<cv void, E>::transform_error): Likewise.
3318 * include/std/optional (transform): Use std::remove_cv_t.
3319 * testsuite/20_util/optional/monadic/pr109340.cc: New test.
3321 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
3323 * include/std/optional (optional): Adjust static assertion to
3324 reject arrays and functions as well as references.
3325 * testsuite/20_util/optional/requirements_neg.cc: New test.
3327 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
3330 * include/bits/istream.tcc (istream::_M_extract(ValueT&)): Use
3331 std::use_facet instead of cached _M_num_get facet.
3332 (istream::operator>>(short&)): Likewise.
3333 (istream::operator>>(int&)): Likewise.
3334 * include/bits/ostream.tcc (ostream::_M_insert(ValueT)): Use
3335 std::use_facet instead of cached _M_num_put facet.
3337 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
3339 * include/bits/char_traits.h (char_traits::copy): Return without
3340 using memcpy if n==0.
3341 (char_traits::assign): Likewise for memset.
3343 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
3346 * include/bits/basic_string.h (basic_string::_M_is_local()): Add
3347 hint for compiler that local strings fit in the local buffer.
3349 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
3352 * include/std/chrono (__detail::__get_leap_second_info): Update
3353 expiry date of hardcoded leapseconds list.
3354 * src/c++20/tzdb.cc (tzdb_list::_Node::_S_read_leap_seconds()):
3356 * src/c++20/tzdata.zi: Import new file from 2023a release.
3357 * testsuite/std/time/time_zone/get_info_local.cc: Only check
3358 transitions for Egypt up to 2014.
3360 2023-03-28 Matthias Kretz <m.kretz@gsi.de>
3362 * include/experimental/bits/simd.h (is_simd_flag_type): New.
3363 (_IsSimdFlagType): New.
3364 (copy_from, copy_to, load ctors): Constrain _Flags using
3367 2023-03-28 Matthias Kretz <m.kretz@gsi.de>
3369 * include/experimental/bits/simd_x86.h (_SimdImplX86): Use
3370 _Base::_S_divides if the optimized _S_divides function is hidden
3371 via the preprocessor.
3373 2023-03-27 Jakub Jelinek <jakub@redhat.com>
3375 * testsuite/experimental/net/timer/waitable/dest.cc: Avoid -Wformat
3376 warning if size_t is not unsigned long.
3378 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3380 * include/bits/shared_ptr_atomic.h (atomic::operator=(nullptr_t)):
3381 Add overload, as per LWG 3893.
3382 * testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc:
3383 Check assignment from nullptr.
3385 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3387 * include/std/format (formatter<const charT[N], charT>): Do not
3388 define partial speclialization, as per LWG 3833.
3389 * testsuite/std/format/formatter/requirements.cc: Check it.
3391 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3393 * include/std/utility (__cpp_lib_constexpr_algorithms): Define,
3395 * testsuite/20_util/exchange/constexpr.cc: Check for it.
3397 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3399 * include/std/version (__cpp_lib_format): Define.
3400 * testsuite/std/format/functions/format.cc: Check it.
3402 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3404 * include/bits/basic_string.tcc (basic_string::resize_and_overwrite):
3405 Pass rvalues to the callback, as now allowed by LWG 3645.
3406 Enforce preconditions on the return value.
3407 * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
3410 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3412 * include/std/format: Add a comment noting that the resolution
3413 of LWG 3720 has been applied..
3415 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3417 * include/bits/regex.h (match_results): Add allocator-extended
3418 copy and move constructors, as per LWG 2195.
3419 * testsuite/28_regex/match_results/ctors/char/alloc.cc: New test.
3421 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3423 * include/bits/stream_iterator.h (istream_iterator): Add
3424 constexpr to copy constructor, as per LWG 3600.
3425 * testsuite/24_iterators/istream_iterator/cons/constexpr.cc:
3426 Check copy construction.
3428 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
3430 * include/experimental/bits/simd_x86.h
3431 (_SimdImplX86::_S_divides): Replace test for __GCC_IEC_559 == 0
3432 with __RECIPROCAL_MATH__.
3434 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
3436 * include/experimental/bits/simd_detail.h: Don't define
3437 _GLIBCXX_SIMD_WORKAROUND_PR90993 for Clang.
3438 * include/experimental/bits/simd_x86.h (_S_divides): Remove
3439 check for __clang__.
3441 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
3443 * include/experimental/bits/simd_detail.h: Don't declare the
3444 simd API as constexpr with Clang.
3445 * include/experimental/bits/simd_x86.h (__movm): New.
3446 (_S_blend_avx512): Resolve FIXME. Implement blend using __movm
3448 (_SimdImplX86::_S_masked_unary): Clang does not implement the
3449 same builtins. Implement the function using __movm, ?:, and -
3450 operators on vector_size types instead.
3452 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
3454 * testsuite/experimental/simd/tests/operators.cc: Clang doesn't
3455 define __GCC_IEC_559. Use __STDC_IEC_559__ instead.
3457 2023-03-20 Jonathan Wakely <jwakely@redhat.com>
3459 * src/filesystem/ops-common.h (get_temp_directory_from_env): Fix
3462 2023-03-20 Marek Polacek <polacek@redhat.com>
3465 * testsuite/20_util/pair/cons/explicit_construct.cc: Adjust dg-error.
3466 * testsuite/20_util/tuple/cons/explicit_construct.cc: Likewise.
3467 * testsuite/23_containers/span/explicit.cc: Likewise.
3469 2023-03-20 Jonathan Wakely <jwakely@redhat.com>
3472 * include/std/expected (expected<void>::expected(in_place_t)):
3473 Remove template-head.
3475 2023-03-18 Jonathan Wakely <jwakely@redhat.com>
3478 * testsuite/18_support/coroutines/hash.cc: Use const object
3481 2023-03-17 Jonathan Wakely <jwakely@redhat.com>
3484 * include/std/coroutine (hash<>::operator()): Add const.
3485 * testsuite/18_support/coroutines/hash.cc: New test.
3487 2023-03-14 Patrick Palka <ppalka@redhat.com>
3490 * include/std/ranges (repeat_view): Remove redundant parentheses
3492 (repeat_view::_Iterator): Correct the requires-clause.
3494 2023-03-14 Patrick Palka <ppalka@redhat.com>
3496 * include/bits/stl_iterator.h (move_iterator::_S_iter_concept):
3498 (__cpp_lib_move_iterator_concept): Define for C++20.
3499 (move_iterator::iterator_concept): Strengthen as per P2520R0.
3500 * include/std/version (__cpp_lib_move_iterator_concept): Define
3502 * testsuite/24_iterators/move_iterator/p2520r0.cc: New test.
3504 2023-03-14 Patrick Palka <ppalka@redhat.com>
3506 * include/bits/ranges_util.h (view_interface::empty): Add
3507 preferred overloads that use ranges::size when the range is
3508 sized as per LWG 3715.
3509 * testsuite/std/ranges/adaptors/lwg3715.cc: New test.
3511 2023-03-14 Jonathan Wakely <jwakely@redhat.com>
3513 * include/bits/chrono.h (__is_duration_v, __is_time_point_v):
3514 Only define for C++17 and later.
3516 2023-03-14 Jonathan Wakely <jwakely@redhat.com>
3518 * src/Makefile.am: Add comment about linker script fragments.
3519 * src/Makefile.in: Regenerate.
3521 2023-03-14 Jonathan Wakely <jwakely@redhat.com>
3524 * include/bits/mask_array.h (mask_array): Add assertions to
3525 assignment operators.
3526 * include/std/valarray (valarray::operator[](valarray<bool>)):
3528 * testsuite/26_numerics/valarray/mask-1_neg.cc: New test.
3529 * testsuite/26_numerics/valarray/mask-2_neg.cc: New test.
3530 * testsuite/26_numerics/valarray/mask-3_neg.cc: New test.
3531 * testsuite/26_numerics/valarray/mask-4_neg.cc: New test.
3532 * testsuite/26_numerics/valarray/mask-5_neg.cc: New test.
3533 * testsuite/26_numerics/valarray/mask-6_neg.cc: New test.
3534 * testsuite/26_numerics/valarray/mask-7_neg.cc: New test.
3535 * testsuite/26_numerics/valarray/mask-8_neg.cc: New test.
3536 * testsuite/26_numerics/valarray/mask.cc: New test.
3538 2023-03-13 Jakub Jelinek <jakub@redhat.com>
3540 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
3541 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3543 2023-03-13 Jonathan Wakely <jwakely@redhat.com>
3545 * doc/Makefile.am: Add comment referring to documentation.
3546 * doc/Makefile.in: Regenerate.
3548 2023-03-13 Jonathan Wakely <jwakely@redhat.com>
3550 * doc/html/*: Regenerate.
3552 2023-03-13 Jonny Grant <jg@jguk.org>
3554 * doc/xml/faq.xml: Update copyright year.
3556 2023-03-13 Jonathan Wakely <jwakely@redhat.com>
3558 * include/bits/allocator.h: Fix typo in comment.
3560 2023-03-12 Jakub Jelinek <jakub@redhat.com>
3562 * config/abi/pre/gnu.ver (CXXABI_1.3.14): Also export __bf16 tinfos
3563 if it isn't mangled as DF16b but u6__bf16.
3565 2023-03-12 Gerald Pfeifer <gerald@pfeifer.com>
3567 * doc/xml/manual/documentation_hacking.xml: Move www.graphviz.org
3569 * doc/html/manual/documentation_hacking.html: Regenerate.
3571 2023-03-10 Jonathan Wakely <jwakely@redhat.com>
3574 * python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker):
3575 Remove self-recursion in __init__. Add missing _supports.
3576 * testsuite/libstdc++-xmethods/shared_ptr.cc: Check use_count()
3579 2023-03-09 Patrick Palka <ppalka@redhat.com>
3581 * include/std/ranges
3582 (cartesian_product_view::_Iterator::_Iterator): Remove
3583 constraint on default constructor as per LWG 3849.
3584 (cartesian_product_view::_Iterator::_M_prev): Adjust position
3585 of _Nm > 0 test as per LWG 3820.
3586 (cartesian_product_view::_Iterator::_M_advance): Perform bounds
3587 checking only on sized cartesian products.
3588 * testsuite/std/ranges/cartesian_product/1.cc (test08): New test.
3590 2023-03-09 Patrick Palka <ppalka@redhat.com>
3593 * include/std/ranges (chunk_by_view::_M_pred): Remove DMI as per
3595 (repeat_view::_M_pred): Likewise.
3596 * testsuite/std/ranges/adaptors/chunk_by/1.cc (test03): New test.
3597 * testsuite/std/ranges/repeat/1.cc (test05): New test.
3599 2023-03-09 Patrick Palka <ppalka@redhat.com>
3602 * include/std/ranges (__detail::__can_single_view): New concept.
3603 (_Single::operator()): Constrain it. Move [[nodiscard]] to the
3604 end of the function declarator.
3605 (__detail::__can_iota_view): New concept.
3606 (_Iota::operator()): Constrain it. Move [[nodiscard]] to the
3607 end of the function declarator.
3608 (__detail::__can_istream_view): New concept.
3609 (_Istream::operator()): Constrain it. Move [[nodiscard]] to the
3610 end of the function declarator.
3611 * testsuite/std/ranges/iota/iota_view.cc (test07): New test.
3612 * testsuite/std/ranges/istream_view.cc (test08): New test.
3613 * testsuite/std/ranges/single_view.cc (test07): New test.
3615 2023-03-09 Patrick Palka <ppalka@redhat.com>
3618 * include/std/ranges (cartesian_product_view::end): When
3619 building the tuple of iterators, avoid calling ranges::begin on
3620 the first range if __empty_tail is false.
3621 * testsuite/std/ranges/cartesian_product/1.cc (test07): New test.
3623 2023-03-09 Jonathan Wakely <jwakely@redhat.com>
3626 * config/os/gnu-linux/ldbl-ieee128-extra.ver: Fix incorrect
3629 2023-03-07 Jakub Jelinek <jakub@redhat.com>
3631 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3632 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
3633 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
3634 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
3635 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
3637 2023-03-07 Jonathan Wakely <jwakely@redhat.com>
3640 * config/abi/pre/gnu.ver (GLIBCXX_3.4.31): Adjust patterns to
3641 not match symbols in namespace std::__gnu_cxx11_ieee128.
3642 * config/os/gnu-linux/ldbl-ieee128-extra.ver: Add patterns for
3643 std::__gnu_cxx11_ieee128::money_{get,put}.
3645 2023-03-07 Jonathan Wakely <jwakely@redhat.com>
3647 * libsupc++/eh_personality.cc: Fix spelling in comment.
3649 2023-03-03 Alexandre Oliva <oliva@adacore.com>
3651 * testsuite/30_threads/async/async.cc (test04): Initialize
3652 steady_start, renamed from steady_begin, next to slow_start.
3653 Increase tolerance for final wait.
3655 2023-03-03 Alexandre Oliva <oliva@adacore.com>
3657 * testsuite/libstdc++-prettyprinters/80276.cc: Add
3658 std::string to debug info.
3659 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
3661 2023-03-03 Alexandre Oliva <oliva@adacore.com>
3666 * include/bits/std_thread.h (thread::_M_thread_deps): New
3667 static implicitly-inline member function.
3668 (std::thread template ctor): Pass it to _M_start_thread.
3669 * src/c++11/thread.cc (thread::_M_start_thread): Name depend
3670 parameter, force it live on entry.
3672 2023-03-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3674 * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
3675 * config/abi/post/i386-solaris/amd64/baseline_symbols.txt:
3677 * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
3678 * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
3681 2023-03-01 Jonathan Wakely <jwakely@redhat.com>
3683 * include/bits/cow_string.h: Fix typo in comment.
3685 2023-03-01 Jonathan Wakely <jwakely@redhat.com>
3687 * src/c++20/tzdb.cc (chrono::tzdb::current_zone()) Use "UTC" if
3688 current time zone cannot be determined.
3689 * testsuite/std/time/tzdb/1.cc: Remove conditions based on
3690 HAVE_TZDB macro and test all members unconditionally.
3692 2023-02-28 Jonathan Wakely <jwakely@redhat.com>
3695 * include/bits/uses_allocator_args.h
3696 (uses_allocator_construction_args): Implement LWG 3527.
3697 * testsuite/20_util/pair/astuple/get-2.cc: New test.
3698 * testsuite/20_util/scoped_allocator/108952.cc: New test.
3699 * testsuite/20_util/uses_allocator/lwg3527.cc: New test.
3701 2023-02-28 Jonathan Wakely <jwakely@redhat.com>
3704 * include/bits/stl_algobase.h (__copy_move<false, false, RA>)
3705 Add __assign_one static member function.
3706 (__copy_move<true, false, RA>): Likewise.
3707 (__copy_move<IsMove, true, RA>): Do not use memmove for a single
3709 (__copy_move_backward<IsMove, true, RA>): Likewise.
3710 * testsuite/25_algorithms/copy/108846.cc: New test.
3711 * testsuite/25_algorithms/copy_backward/108846.cc: New test.
3712 * testsuite/25_algorithms/copy_n/108846.cc: New test.
3713 * testsuite/25_algorithms/move/108846.cc: New test.
3714 * testsuite/25_algorithms/move_backward/108846.cc: New test.
3716 2023-02-28 Jonathan Wakely <jwakely@redhat.com>
3718 * src/c++11/codecvt.cc: Add [[likely]] and [[unlikely]]
3721 2023-02-27 Jonathan Wakely <jwakely@redhat.com>
3723 * include/bits/basic_ios.h (basic_ios::_M_setstate): Add
3725 * include/bits/basic_string.h (resize_and_overwrite): Add
3728 2023-02-24 Matthias Kretz <m.kretz@gsi.de>
3730 * include/experimental/bits/simd.h: Line breaks and indenting
3731 fixed to follow the libstdc++ standard.
3732 * include/experimental/bits/simd_builtin.h: Likewise.
3733 * include/experimental/bits/simd_fixed_size.h: Likewise.
3734 * include/experimental/bits/simd_neon.h: Likewise.
3735 * include/experimental/bits/simd_ppc.h: Likewise.
3736 * include/experimental/bits/simd_scalar.h: Likewise.
3737 * include/experimental/bits/simd_x86.h: Likewise.
3739 2023-02-24 Matthias Kretz <m.kretz@gsi.de>
3742 * include/experimental/bits/simd_fixed_size.h
3743 (_SimdImplFixedSize::_S_broadcast): Replace inline with
3744 _GLIBCXX_SIMD_INTRINSIC.
3745 (_SimdImplFixedSize::_S_generate): Likewise.
3746 (_SimdImplFixedSize::_S_load): Likewise.
3747 (_SimdImplFixedSize::_S_masked_load): Likewise.
3748 (_SimdImplFixedSize::_S_store): Likewise.
3749 (_SimdImplFixedSize::_S_masked_store): Likewise.
3750 (_SimdImplFixedSize::_S_min): Likewise.
3751 (_SimdImplFixedSize::_S_max): Likewise.
3752 (_SimdImplFixedSize::_S_complement): Likewise.
3753 (_SimdImplFixedSize::_S_unary_minus): Likewise.
3754 (_SimdImplFixedSize::_S_plus): Likewise.
3755 (_SimdImplFixedSize::_S_minus): Likewise.
3756 (_SimdImplFixedSize::_S_multiplies): Likewise.
3757 (_SimdImplFixedSize::_S_divides): Likewise.
3758 (_SimdImplFixedSize::_S_modulus): Likewise.
3759 (_SimdImplFixedSize::_S_bit_and): Likewise.
3760 (_SimdImplFixedSize::_S_bit_or): Likewise.
3761 (_SimdImplFixedSize::_S_bit_xor): Likewise.
3762 (_SimdImplFixedSize::_S_bit_shift_left): Likewise.
3763 (_SimdImplFixedSize::_S_bit_shift_right): Likewise.
3764 (_SimdImplFixedSize::_S_remquo): Add inline keyword (to be
3765 explicit about not always-inline, yet).
3766 (_SimdImplFixedSize::_S_isinf): Likewise.
3767 (_SimdImplFixedSize::_S_isfinite): Likewise.
3768 (_SimdImplFixedSize::_S_isnan): Likewise.
3769 (_SimdImplFixedSize::_S_isnormal): Likewise.
3770 (_SimdImplFixedSize::_S_signbit): Likewise.
3772 2023-02-24 Matthias Kretz <m.kretz@gsi.de>
3775 * include/experimental/bits/simd_builtin.h
3776 (_SimdImplBuiltin::_S_masked_unary): More efficient
3777 implementation of masked inc-/decrement for integers and floats
3779 * include/experimental/bits/simd_x86.h
3780 (_SimdImplX86::_S_masked_unary): New. Use AVX512 masked subtract
3781 builtins for masked inc-/decrement.
3783 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3785 * include/experimental/executor (executor): Constrain template
3788 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3790 * include/experimental/internet (basic_endpoint): Add missing
3791 constexpr to comparison operators.
3792 * testsuite/experimental/net/internet/endpoint/cons.cc: New test.
3794 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3796 * include/experimental/internet (network_v4::netmask()): Avoid
3798 (network_v4::broadcast()): Optimize and fix for targets with
3799 uint_least32_t wider than 32 bits.
3800 (network_v4::to_string(const Allocator&)): Fix for custom
3801 allocators and optimize using to_chars.
3802 (operator==(const network_v4&, const network_v4&)): Add missing
3804 (operator==(const network_v6&, const network_v6&)): Likewise.
3805 * testsuite/experimental/net/internet/network/v4/cons.cc: New test.
3806 * testsuite/experimental/net/internet/network/v4/members.cc: New test.
3808 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3810 * include/experimental/internet (address_4(const bytes_type&)):
3811 Use __builtin_bit_cast if available, otherwise convert to
3813 (address_v4::to_bytes()): Likewise, but convert from network
3815 * testsuite/experimental/net/internet/address/v4/cons.cc: Fix
3816 incorrect tests. Check for constexpr too.
3817 * testsuite/experimental/net/internet/address/v4/creation.cc:
3819 * testsuite/experimental/net/internet/address/v4/members.cc:
3820 Check that bytes_type is a standard-layout type.
3822 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3824 * include/experimental/internet (address_v4::to_string):
3826 * testsuite/experimental/net/internet/address/v4/members.cc:
3827 Check more addresses.
3829 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3831 * include/ext/aligned_buffer.h (__aligned_buffer): Add
3834 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3836 * testsuite/std/format/arguments/lwg3810.cc: Move dg-options
3839 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3841 * testsuite/experimental/simd/tests/reductions.cc: Introduce
3842 max_distance as the type-dependent max error.
3844 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3846 * include/experimental/bits/simd_builtin.h (_S_set): Compare as
3847 int. The actual range of these indexes is very small.
3849 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3851 * include/experimental/bits/simd_x86.h (_S_bit_shift_left)
3852 (_S_bit_shift_right): Declare constexpr. The implementation was
3853 already expecting constexpr evaluation.
3855 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3858 * include/experimental/bits/simd_detail.h
3859 (_GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA): Define as empty for
3862 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3865 * include/experimental/bits/simd.h (__vector_broadcast):
3866 Implement via __vector_broadcast_impl instead of
3867 __call_with_n_evaluations + 2 lambdas.
3868 (__vector_broadcast_impl): New.
3870 2023-02-22 Alexandre Oliva <oliva@adacore.com>
3872 * src/c++11/shared_ptr.cc (__gnu_internal::get_mutex):
3873 Avoid destruction of the mutex pool.
3875 2023-02-22 Alexandre Oliva <oliva@adacore.com>
3877 * testsuite/27_io/basic_ofstream/open/char/noreplace.cc: xfail
3879 * testsuite/27_io/basic_ofstream/open/wchar_t/noreplace.cc:
3882 2023-02-22 Alexandre Oliva <oliva@adacore.com>
3884 * testsuite/17_intro/names.cc: Undef func on vxworks >= 7 in
3887 2023-02-20 Andreas Schwab <schwab@linux-m68k.org>
3889 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
3891 2023-02-20 Matthias Kretz <m.kretz@gsi.de>
3893 * include/experimental/bits/simd.h (__extract_part, split):
3894 Use reserved name for template parameter.
3896 2023-02-20 Andreas Schwab <schwab@suse.de>
3898 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3900 2023-02-18 Gerald Pfeifer <gerald@pfeifer.com>
3902 * doc/xml/faq.xml: Switch two links to www.open-std.org to https.
3903 * doc/html/faq.html: Regenerate.
3905 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3907 * include/experimental/bits/simd_math.h (__hypot): Bitcasting
3908 between scalars requires the __bit_cast helper function instead
3911 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3913 * include/experimental/bits/simd_x86.h
3914 (_SimdImplX86::_S_not_equal_to, _SimdImplX86::_S_less)
3915 (_SimdImplX86::_S_less_equal): Do not call
3916 __builtin_is_constant_evaluated in constexpr-if.
3918 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3920 * testsuite/experimental/simd/tests/bits/verify.h
3921 (verify::verify): Use %zx for size_t in format string.
3923 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3925 * testsuite/experimental/simd/generate_makefile.sh: Generate and
3926 pre-compile pch.h, which includes all headers that do not depend
3927 on command-line macros.
3928 * testsuite/experimental/simd/tests/bits/main.h: New file.
3929 (iterate_abis, main): Moved from verify.h.
3930 * testsuite/experimental/simd/tests/bits/verify.h
3931 (iterate_abis, main): Moved to main.h.
3932 * testsuite/experimental/simd/tests/bits/conversions.h: Add
3934 (genHalfBits): Simplify.
3935 * testsuite/experimental/simd/tests/bits/make_vec.h: Add include
3937 (make_alternating_mask): Moved from mask_loadstore.
3938 * testsuite/experimental/simd/tests/bits/mathreference.h: Add
3940 * testsuite/experimental/simd/tests/bits/test_values.h: Ditto.
3941 * testsuite/experimental/simd/tests/mask_loadstore.cc
3942 (make_mask, make_alternating_mask): Removed.
3943 * testsuite/experimental/simd/tests/mask_reductions.cc: Ditto.
3944 * testsuite/experimental/simd/tests/operators.cc (genHalfBits):
3946 * testsuite/experimental/simd/tests/abs.cc: Only include
3949 * testsuite/experimental/simd/tests/algorithms.cc: Ditto.
3950 * testsuite/experimental/simd/tests/broadcast.cc: Ditto.
3951 * testsuite/experimental/simd/tests/casts.cc: Ditto.
3952 * testsuite/experimental/simd/tests/fpclassify.cc: Ditto.
3953 * testsuite/experimental/simd/tests/frexp.cc: Ditto.
3954 * testsuite/experimental/simd/tests/generator.cc: Ditto.
3955 * testsuite/experimental/simd/tests/hypot3_fma.cc: Ditto.
3956 * testsuite/experimental/simd/tests/integer_operators.cc: Ditto.
3957 * testsuite/experimental/simd/tests/ldexp_scalbn_scalbln_modf.cc:
3958 * testsuite/experimental/simd/tests/loadstore.cc: Ditto.
3959 * testsuite/experimental/simd/tests/logarithm.cc: Ditto.
3960 * testsuite/experimental/simd/tests/mask_broadcast.cc: Ditto.
3961 * testsuite/experimental/simd/tests/mask_conversions.cc: Ditto.
3962 * testsuite/experimental/simd/tests/mask_implicit_cvt.cc: Ditto.
3963 * testsuite/experimental/simd/tests/mask_operator_cvt.cc: Ditto.
3964 * testsuite/experimental/simd/tests/mask_operators.cc: Ditto.
3965 * testsuite/experimental/simd/tests/math_1arg.cc: Ditto.
3966 * testsuite/experimental/simd/tests/math_2arg.cc: Ditto.
3967 * testsuite/experimental/simd/tests/operator_cvt.cc: Ditto.
3968 * testsuite/experimental/simd/tests/reductions.cc: Ditto.
3969 * testsuite/experimental/simd/tests/remqo.cc: Ditto.
3970 * testsuite/experimental/simd/tests/simd.cc: Ditto.
3971 * testsuite/experimental/simd/tests/sincos.cc: Ditto.
3972 * testsuite/experimental/simd/tests/split_concat.cc: Ditto.
3973 * testsuite/experimental/simd/tests/splits.cc: Ditto.
3974 * testsuite/experimental/simd/tests/trigonometric.cc: Ditto.
3975 * testsuite/experimental/simd/tests/trunc_ceil_floor.cc: Ditto.
3976 * testsuite/experimental/simd/tests/where.cc: Ditto.
3978 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3980 * testsuite/experimental/simd/README.md: Document the timeout
3981 and timeout-factor directives. Minor typo fixed.
3983 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3986 * include/experimental/bits/simd_detail.h: Define
3987 _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA.
3988 * include/experimental/bits/simd.h: Annotate lambdas with
3989 _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA.
3990 * include/experimental/bits/simd_builtin.h: Ditto.
3991 * include/experimental/bits/simd_converter.h: Ditto.
3992 * include/experimental/bits/simd_fixed_size.h: Ditto.
3993 * include/experimental/bits/simd_math.h: Ditto.
3994 * include/experimental/bits/simd_neon.h: Ditto.
3995 * include/experimental/bits/simd_x86.h: Ditto.
3997 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3999 * include/experimental/bits/simd.h
4000 (_SimdWrapper::_M_is_constprop_none_of)
4001 (_SimdWrapper::_M_is_constprop_all_of): Return false unless the
4002 computed result still satisfies __builtin_constant_p.
4004 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
4006 * testsuite/std/format/arguments/lwg3810.cc: Replace UTF-8
4009 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
4011 * include/Makefile.am: Add new header.
4012 * include/Makefile.in: Regenerate.
4013 * include/experimental/synchronized_value: New file.
4014 * testsuite/experimental/synchronized_value.cc: New test.
4016 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
4018 * include/experimental/optional: Fix header name in comment.
4020 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
4022 * include/std/format (__format::_Arg_store): New class template.
4023 (basic_format_args): Remove nested type _Store and add deduction
4024 guide from _Arg_store.
4025 (basic_format_arg, make_format_args): Adjust.
4026 * testsuite/std/format/arguments/lwg3810.cc: New test.
4028 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
4030 * include/bits/stl_pair.h (pair) [C++20]: Add non-dangling
4031 constraints to constructors and add deleted overloads for the
4032 dangling cases, as per P2255R2.
4033 (pair) [!C++20 && _GLIBCXX_DEBUG]: Add static assertions to
4034 make dangling cases ill-formed.
4035 * testsuite/20_util/pair/dangling_ref.cc: New test.
4037 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
4039 * testsuite/17_intro/names_pstl.cc: Require et tbb_backend.
4041 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
4043 * include/ext/throw_allocator.h: Use reserved names for
4046 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
4048 * testsuite/17_intro/names_pstl.cc: Add space after effective
4051 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
4053 * include/pstl/algorithm_fwd.h (__pattern_search_n)
4054 (__brick_unique_copy, __brick_adjacent_find)
4055 (__brick_generate_n, __pattern_generate_n): Use reserved names
4057 * include/pstl/algorithm_impl.h (__brick_unique_copy)
4058 (__pattern_reverse, __brick_generate_n): Likewise.
4059 * include/pstl/execution_impl.h (__prefer_unsequenced_tag)
4060 (__prefer_parallel_tag): Likewise.
4061 * include/pstl/glue_algorithm_impl.h (transform): Likewise.
4062 * include/pstl/glue_numeric_defs.h (adjacent_difference):
4064 * include/pstl/numeric_impl.h (__brick_adjacent_difference):
4066 * include/pstl/parallel_backend_tbb.h (__merge_func): Likewise.
4067 * include/pstl/unseq_backend_simd.h (_Combiner)
4068 (__simd_min_element, __simd_minmax_element): Likewise.
4069 * testsuite/17_intro/names_pstl.cc: New test.
4071 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
4073 * include/bits/fs_ops.h (create_directory): Use reserved name
4075 * include/bits/ranges_algo.h (__contains_subrange_fn):
4077 * include/bits/regex_automaton.h (_State_base::_M_print):
4079 * include/bits/regex_automaton.tcc(_State_base::_M_print):
4081 * include/bits/regex_scanner.tcc(_Scanner::_M_print): Likewise.
4082 * include/experimental/bits/fs_ops.h (create_directory):
4084 * include/std/mutex (timed_mutex::_M_clocklock): Likewise.
4085 (recursive_timed_mutex:_M_clocklock): Likewise.
4086 * include/std/tuple (basic_common_reference): Likewise.
4087 * libsupc++/cxxabi_init_exception.h
4088 (__cxa_init_primary_exception): Likewise.
4089 * testsuite/17_intro/names.cc: Add checks.
4091 2023-02-14 Gerald Pfeifer <gerald@pfeifer.com>
4093 * doc/xml/manual/status_cxx2017.xml: Update an open-std.org link
4094 to www.open-std.org and https.
4095 * doc/html/manual/status.html: Regenerate.
4097 2023-02-14 Thomas W Rodgers <rodgert@twrodgers.com>
4100 * include/std/atomic (atomic_flag_wait): Add.
4101 (atomic_flag_wait_explicit): Add.
4102 (atomic_flag_notify): Add.
4103 (atomic_flag_notify_explicit): Add.
4104 * testsuite/29_atomics/atomic_flag/wait_notify/1.cc:
4105 Add test case to cover missing atomic_flag free functions.
4107 2023-02-14 Thomas W Rodgers <rodgert@twrodgers.com>
4110 * include/std/atomic (atomic_flag_test): Add.
4111 (atomic_flag_test_explicit): Add.
4112 * testsuite/29_atomics/atomic_flag/test/explicit.cc: Add
4113 test case to cover missing atomic_flag free functions.
4114 * testsuite/29_atomics/atomic_flag/test/implicit.cc:
4117 2023-02-13 Gerald Pfeifer <gerald@pfeifer.com>
4119 * doc/xml/manual/policy_data_structures_biblio.xml: Adjust
4120 "The Component Object Model" reference.
4121 * doc/html/manual/policy_data_structures.html: Regenerate.
4123 2023-02-12 Gerald Pfeifer <gerald@pfeifer.com>
4125 * doc/xml/manual/containers.xml: Tweak a link to N1780
4127 * doc/html/manual/associative.html: Regenerate.
4129 2023-02-12 Gerald Pfeifer <gerald@pfeifer.com>
4131 * doc/xml/manual/ctype.xml: Change www.unix.org to unix.org.
4132 * doc/html/manual/facets.html: Regenerate.
4134 2023-02-11 Gerald Pfeifer <gerald@pfeifer.com>
4136 * doc/xml/manual/policy_data_structures_biblio.xml: Update
4137 link to "Worst-case efficient priority queues".
4138 * doc/html/manual/policy_data_structures.html: Regenerate.
4140 2023-02-06 Arsen Arsenović <arsen@aarsen.me>
4142 * doc/xml/manual/using.xml: Document newly-freestanding
4143 headers and the effect of the -ffreestanding flag.
4144 * doc/xml/manual/status_cxx2023.xml: Document P1642R11 as
4146 * doc/xml/manual/configure.xml: Document that hosted installs
4147 respect __STDC_HOSTED__.
4148 * doc/xml/manual/test.xml: Document how to run tests in
4150 * doc/html/*: Regenerate.
4152 2023-02-06 Jonathan Wakely <jwakely@redhat.com>
4154 * include/bits/ranges_algo.h (__find_last_fn): Rename T to _Tp.
4155 (__find_last_if_fn): Likewise.
4157 2023-02-06 Jonathan Wakely <jwakely@redhat.com>
4159 * include/std/type_traits: Add diagnostic pragmas around
4160 references to deprecated std::aligned_storage and
4161 std::aligned_union traits.
4162 * testsuite/20_util/aligned_storage/requirements/alias_decl.cc:
4163 Add dg-warning for et c++23.
4164 * testsuite/20_util/aligned_storage/requirements/explicit_instantiation.cc:
4166 * testsuite/20_util/aligned_storage/value.cc: Likewise.
4167 * testsuite/20_util/aligned_union/1.cc: Likewise.
4168 * testsuite/20_util/aligned_union/requirements/alias_decl.cc:
4171 2023-02-06 Nathaniel Shead <nathanieloshead@gmail.com>
4173 * doc/doxygen/user.cfg.in (PREDEFINED): Add new macros.
4174 * include/bits/c++config (_GLIBCXX23_DEPRECATED)
4175 (_GLIBCXX23_DEPRECATED_SUGGEST): New macros.
4176 * include/std/type_traits (aligned_storage, aligned_union)
4177 (aligned_storage_t, aligned_union_t): Deprecate for C++23.
4178 * testsuite/20_util/aligned_storage/deprecated-2b.cc: New test.
4179 * testsuite/20_util/aligned_union/deprecated-2b.cc: New test.
4181 2023-02-06 Nathaniel Shead <nathanieloshead@gmail.com>
4183 * doc/doxygen/user.cfg.in (PREDEFINED): Update macros.
4184 * include/bits/c++config (_GLIBCXX20_DEPRECATED): Make
4185 consistent with other 'deprecated' macros.
4186 * include/std/type_traits (is_pod, is_pod_v): Use
4187 _GLIBCXX20_DEPRECATED_SUGGEST instead.
4189 2023-02-06 Arsen Arsenović <arsen@aarsen.me>
4191 * Makefile.am [!_GLIBCXX_HOSTED]: Enable src/ subdirectory.
4192 * Makefile.in: Regenerate.
4193 * src/Makefile.am [!_GLIBCXX_HOSTED]: Omit compatibility files.
4194 There's no history to be compatible with.
4195 * src/c++11/Makefile.am [!_GLIBCXX_HOSTED]: Omit hosted-only
4196 source files from the build.
4197 * src/c++17/Makefile.am [!_GLIBCXX_HOSTED]: Likewise.
4198 * src/c++20/Makefile.am [!_GLIBCXX_HOSTED]: Likewise.
4199 * src/c++98/Makefile.am [!_GLIBCXX_HOSTED]: Likewise.
4200 * src/Makefile.in: Regenerate.
4201 * src/c++11/Makefile.in: Regenerate.
4202 * src/c++17/Makefile.in: Regenerate.
4203 * src/c++20/Makefile.in: Regenerate.
4204 * src/c++98/Makefile.in: Regenerate.
4206 2023-02-06 Jonathan Wakely <jwakely@redhat.com>
4208 * src/Makefile.am [GLIBCXX_HOSTED] (SUBDIRS): Do not add
4209 filesystem, libbacktrace and experimental.
4210 * src/Makefile.in: Regenerate.
4212 2023-02-04 Hans-Peter Nilsson <hp@axis.com>
4215 * include/pstl/unseq_backend_simd.h (__simd_or): Use __INT32_TYPE__
4218 2023-02-04 Gerald Pfeifer <gerald@pfeifer.com>
4220 * doc/xml/manual/documentation_hacking.xml: Adjust link to pdftex.
4221 * doc/html/manual/documentation_hacking.html: Regenerate.
4223 2023-02-04 François Dumont <fdumont@gcc.gnu.org>
4225 * include/bits/basic_string.h (operator=(basic_string&&)): Transfer move-to
4226 storage to the move-from instance when allocators are equal.
4227 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc (test04):
4230 2023-02-03 Samuel Thibault <samuel.thibault@gnu.org>
4232 * config/os/gnu-linux/os_defines.h [!__linux__]
4233 (_GLIBCXX_NATIVE_THREAD_ID, _GLIBCXX_GTHREAD_USE_WEAK): Do not define.
4235 2023-02-03 Patrick Palka <ppalka@redhat.com>
4237 * include/bits/ranges_algo.h (__find_last_fn, find_last):
4239 (__find_last_if_fn, find_last_if): Define.
4240 (__find_last_if_not_fn, find_last_if_not): Define.
4241 * testsuite/25_algorithms/find_last/1.cc: New test.
4242 * testsuite/25_algorithms/find_last_if/1.cc: New test.
4243 * testsuite/25_algorithms/find_last_if_not/1.cc: New test.
4245 2023-02-03 Patrick Palka <ppalka@redhat.com>
4247 * include/bits/ranges_algo.h (out_value_result): Define.
4248 (iota_result): Define.
4249 (__iota_fn, iota): Define.
4250 * testsuite/25_algorithms/iota/1.cc: New test.
4252 2023-02-03 Patrick Palka <ppalka@redhat.com>
4254 * include/bits/ranges_algo.h (__contains_fn, contains): Define.
4255 (__contains_subrange_fn, contains_subrange): Define.
4256 * testsuite/25_algorithms/contains/1.cc: New test.
4257 * testsuite/25_algorithms/contains_subrange/1.cc: New test.
4259 2023-02-02 Gerald Pfeifer <gerald@pfeifer.com>
4261 * doc/xml/manual/abi.xml: Tweak link to ABIcheck project.
4262 * doc/html/manual/abi.html: Regenerate.
4264 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
4266 * src/filesystem/ops-common.h [AVR] (__unsupported): Always use
4267 errc::function_not_supported instead of errc::not_supported.
4269 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
4271 * include/std/sstream (basic_stringbuf::view): Define for old
4273 (basic_istringstream::view, basic_0stringstream::view)
4274 (basic_stringstream::view): Likewise.
4275 * testsuite/27_io/basic_istringstream/view/char/1.cc: Remove
4276 { dg-require-effective-target cxx11_abi }.
4277 * testsuite/27_io/basic_istringstream/view/wchar_t/1.cc:
4279 * testsuite/27_io/basic_ostringstream/view/char/1.cc: Likewise.
4280 * testsuite/27_io/basic_ostringstream/view/wchar_t/1.cc:
4282 * testsuite/27_io/basic_stringbuf/view/char/1.cc: Likewise.
4283 * testsuite/27_io/basic_stringbuf/view/wchar_t/1.cc: Likewise.
4284 * testsuite/27_io/basic_stringstream/view/char/1.cc: Likewise.
4285 * testsuite/27_io/basic_stringstream/view/wchar_t/1.cc:
4288 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
4291 * config/abi/pre/gnu.ver (GLIBCXX_3.4.31): Export shared_ptr
4292 conversion operators for directory iterator comparisons with
4293 std::default_sentinel_t.
4294 * include/bits/fs_path.h (path::path(string_view, _Type))
4295 (path::_Cmpt::_Cmpt(string_view, _Type, size_t)): Move inline
4297 * src/c++17/fs_path.cc: ... here.
4298 * testsuite/27_io/filesystem/path/108636.cc: New test.
4300 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
4302 * include/std/variant (variant::operator=): Implement resolution
4304 * testsuite/20_util/variant/lwg3585.cc: New test.
4306 2023-02-02 Gerald Pfeifer <gerald@pfeifer.com>
4308 * doc/xml/manual/using_exceptions.xml: Update a www.open-std.org
4310 * doc/html/manual/using_exceptions.html: Regenerate.
4312 2023-02-02 Gerald Pfeifer <gerald@pfeifer.com>
4314 * doc/xml/manual/debug.xml: Fix link to online GDB manual.
4315 * doc/html/manual/debug.html: Regenerate.
4317 2023-02-01 Jonathan Wakely <jwakely@redhat.com>
4319 * src/c++11/random.cc (random_device::_M_fini): Do not try to
4320 close the file handle if the target doesn't support the
4321 /dev/random and /dev/urandom files.
4323 2023-02-01 Jonathan Wakely <jwakely@redhat.com>
4325 * config/os/generic/error_constants.h (errc::value_too_large)
4327 * src/c++11/system_error.cc
4328 (system_category::default_error_condition) [__AVR__]: Only match
4329 recognize values equal to EDOM, ERANGE, ENOSYS and EINTR.
4330 * src/c++17/fs_ops.cc (fs::current_path) [__AVR__]: Do not check
4331 for ENOENT etc. in switch.
4332 (fs::remove_all) [__AVR__]: Likewise.
4333 * src/filesystem/ops-common.h [__AVR__]: Do not use POSIX open,
4336 2023-02-01 Jonathan Wakely <jwakely@redhat.com>
4338 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR) [avr-*-*, msp430-*-*]: Set
4340 * configure: Regenerate.
4342 2023-02-01 Hans-Peter Nilsson <hp@axis.com>
4345 * testsuite/std/time/hh_mm_ss/1.cc (size): Add empty
4346 struct at end of S0.
4348 2023-01-30 Gerald Pfeifer <gerald@pfeifer.com>
4350 * doc/xml/manual/shared_ptr.xml: Move links from both
4351 http://open-std.org and http://www.open-std.org to
4352 https://www.open-std.org.
4353 * doc/html/manual/memory.html: Regenerate.
4355 2023-01-28 Gerald Pfeifer <gerald@pfeifer.com>
4357 * doc/xml/manual/appendix_contributing.xml: Adjust link to
4358 ISO C++ standard at ANSI.
4359 Move link to www.open-std.org to https.
4360 * doc/html/manual/appendix_contributing.html: Regenerate.
4362 2023-01-28 Gerald Pfeifer <gerald@pfeifer.com>
4364 * doc/xml/manual/documentation_hacking.xml: Move sourceforge.net
4366 * doc/html/manual/documentation_hacking.html: Regenerate.
4368 2023-01-28 Gerald Pfeifer <gerald@pfeifer.com>
4370 * doc/xml/manual/abi.xml: Update www.open-std.org link to https.
4371 * doc/html/manual/abi.html: Regenerate.
4373 2023-01-27 Jakub Jelinek <jakub@redhat.com>
4376 * testsuite/17_intro/names.cc (__unused): For linux or GNU hurd
4377 include features.h if present and then check __GLIBC__ and
4378 __GLIBC_MINOR__ macros for glibc prior to 2.19, instead of testing
4379 __GLIBC_PREREQ which isn't defined yet.
4381 2023-01-27 Jonathan Wakely <jwakely@redhat.com>
4383 * src/c++20/tzdb.cc (tzdata_stream): Use constant instead of
4386 2023-01-27 Jonathan Wakely <jwakely@redhat.com>
4389 * testsuite/23_containers/map/modifiers/108554.cc: Use dg-bogus.
4391 2023-01-26 Jonathan Wakely <jwakely@redhat.com>
4393 * src/c++20/tzdb.cc (operator>>(istream&, ZoneInfo&)): Allow
4394 rules named "+" for compatibility with older tzdata.zi files.
4396 2023-01-26 Jonathan Wakely <jwakely@redhat.com>
4399 * include/bits/stl_tree.h (_Rb_tree_insert_and_rebalance): Add
4401 (_Rb_tree_rebalance_for_erase): Add nonnull and returns_nonnull
4403 * testsuite/23_containers/map/modifiers/108554.cc: New test.
4405 2023-01-26 Jonathan Wakely <jwakely@redhat.com>
4408 * src/c++20/tzdb.cc (current_zone): Look for TIMEZONE or ZONE in
4409 /etc/sysconfig/clock, not DEFAULT_TIMEZONE.
4411 2023-01-26 Gerald Pfeifer <gerald@pfeifer.com>
4413 * doc/xml/manual/intro.xml: Update links to www.open-std.org to
4415 * doc/html/manual/bugs.html: Regenerate.
4417 2023-01-24 Jonathan Wakely <jwakely@redhat.com>
4420 * src/c++20/tzdb.cc (current_zone): Look for DEFAULT_TIMEZONE in
4421 /etc/sysconfig/clock.
4423 2023-01-24 Jonathan Wakely <jwakely@redhat.com>
4426 * include/bits/ranges_base.h: Include <bits/stl_iterator.h> for
4427 std::make_reverse_iterator.
4428 * include/std/tuple: Include <bits/ranges_util.h> for subrange.
4429 (make_from_tuple): Add static assertion from P2255 to diagnose
4430 dangling references.
4431 * testsuite/20_util/tuple/make_from_tuple/dangling_ref.cc: New test.
4432 * testsuite/20_util/tuple/make_from_tuple/tuple_like.cc: New test.
4434 2023-01-23 François Dumont <fdumont@gcc.gnu.org>
4436 * include/debug/safe_iterator.h (_Safe_iterator<>::_Unchecked): New.
4437 (_Safe_iterator(const _Safe_iterator&, _Unchecked)): New.
4438 (_Safe_iterator::operator++(int)): Use latter.
4439 (_Safe_iterator::operator--(int)): Likewise.
4440 (_Safe_iterator(_Iterator, const _Safe_sequence_base*)): Remove !_M_insular()
4442 * include/debug/safe_local_iterator.h (_Safe_local_iterator<>::_Unchecked):
4444 (_Safe_local_iterator(const _Safe_local_iterator&, _Unchecked)): New.
4445 (_Safe_local_iterator::operator++(int)): Use latter.
4446 * src/c++11/debug.cc (_S_debug_messages): Add as comment the _Debug_msg_id
4447 entry associated to the array entry.
4449 2023-01-18 Jonathan Wakely <jwakely@redhat.com>
4451 * include/bits/fs_path.h (u8path): Add deprecated attribute.
4452 * testsuite/27_io/filesystem/path/construct/90281.cc: Add
4453 -Wno-deprecated-declarations for C++20 and later.
4454 * testsuite/27_io/filesystem/path/factory/u8path-char8_t.cc:
4456 * testsuite/27_io/filesystem/path/factory/u8path.cc: Likewise.
4457 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
4458 * testsuite/27_io/filesystem/path/factory/u8path-depr.cc: New test.
4460 2023-01-18 Jonathan Wakely <jwakely@redhat.com>
4462 * include/bits/random.h (random_device) [!_GLIBCXX_USE_DEV_RANDOM]:
4463 Always call _M_fini and _M_getentropy.
4465 2023-01-18 Gerald Pfeifer <gerald@pfeifer.com>
4467 * doc/xml/manual/policy_data_structures_biblio.xml: Adjust links
4468 to www.open-std.org to use https.
4469 (COM: Component Model Object Technologies): Rename from...
4470 (The Component Object Model): ...to.
4471 * doc/html/manual/policy_data_structures.html: Regenerate.
4473 2023-01-18 Dimitrij Mijoski <dmjpp@hotmail.com>
4475 * testsuite/22_locale/codecvt/codecvt_unicode.cc: Simplify.
4476 * testsuite/22_locale/codecvt/codecvt_unicode.h: Simplify.
4477 * testsuite/22_locale/codecvt/codecvt_unicode_wchar_t.cc: Simplify.
4479 2023-01-17 Jonathan Wakely <jwakely@redhat.com>
4481 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Check $target_os instead
4482 of $host. Fix check for file being present during native build.
4483 * configure: Regenerate.
4485 2023-01-17 Martin Liska <mliska@suse.cz>
4487 * src/libbacktrace/Makefile.in: Regenerate.
4489 2023-01-16 Jonathan Wakely <jwakely@redhat.com>
4491 * src/c++20/tzdb.cc (_GLIBCXX_USE_CXX11_ABI): Define to 1.
4493 2023-01-16 Jonathan Wakely <jwakely@redhat.com>
4496 * include/c_compatibility/stdatomic.h: Change copyright line to
4497 be consistent with other headers contributed under DCO terms.
4498 * include/std/expected: Add full stop to copyright line.
4499 * src/c++20/tzdb.cc: Likewise.
4501 2023-01-15 Gerald Pfeifer <gerald@pfeifer.com>
4503 * doc/xml/manual/status_cxx2014.xml: Switch www.open-std.org to
4505 * doc/xml/manual/status_cxx2017.xml: Ditto.
4506 * doc/xml/manual/status_cxx2020.xml: Ditto.
4507 * doc/xml/manual/status_cxx2023.xml: Ditto.
4508 * doc/html/manual/status.html: Regenerate.
4510 2023-01-15 Jonathan Wakely <jwakely@redhat.com>
4512 * testsuite/std/time/tzdb_list/1.cc: Remove dg-xfail-run-if
4513 and fail gracefully if defining the weak symbol doesn't work.
4515 2023-01-15 François Dumont <fdumont@gcc.gnu.org>
4518 * include/debug/safe_iterator.h (_Safe_iterator<>::operator++(int)): Extend deadlock
4519 fix to other iterator category.
4520 (_Safe_iterator<>::operator--(int)): Likewise.
4521 * include/debug/safe_local_iterator.h (_Safe_local_iterator<>::operator++(int)):
4523 * testsuite/util/debug/unordered_checks.h (invalid_local_iterator_pre_increment): New.
4524 (invalid_local_iterator_post_increment): New.
4525 * testsuite/23_containers/unordered_map/debug/invalid_local_iterator_post_increment_neg.cc:
4527 * testsuite/23_containers/unordered_map/debug/invalid_local_iterator_pre_increment_neg.cc:
4530 2023-01-15 Jonathan Wakely <jwakely@redhat.com>
4532 * testsuite/30_threads/jthread/jthread.cc: Remove -pthread from
4535 2023-01-15 Jonathan Wakely <jwakely@redhat.com>
4537 * testsuite/std/time/clock/utc/io.cc: Use ctype to widen char.
4539 2023-01-14 Björn Schäpers <bjoern@hazardy.de>
4541 * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Add check for
4542 windows.h. Add pecoff as FORMAT_FILE.
4543 * config.h.in: Regenerate.
4544 * configure: Regenerate.
4545 * src/libbacktrace/Makefile.am: Regenerate.
4546 * src/libbacktrace/Makefile.in: Add pecoff.c as FORMAT_FILE.
4548 2023-01-14 Björn Schäpers <bjoern@hazardy.de>
4550 * include/std/stacktrace (stacktrace_entry::_S_demangle): Use
4551 raw __name if __cxa_demangle could not demangle it.
4553 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
4556 * src/c++20/tzdb.cc (current_zone()) [_AIX]: Use TZ environment
4559 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
4561 * src/c++20/tzdb.cc (TZDB_DISABLED): Disable all code for
4563 * testsuite/std/time/tzdb/leap_seconds.cc: Require tzdb
4565 * testsuite/std/time/tzdb_list/1.cc: Likewise.
4567 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
4569 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Replace the
4570 --with-libstdcxx-zoneinfo-dir configure option with
4571 --with-libstdcxx-zoneinfo with yes/no/static choices as well as
4573 * config.h.in: Regenerate.
4574 * configure: Regenerate.
4575 * doc/xml/manual/configure.xml: Document configure option.
4576 * doc/html/manual/configure.html: Regenerate.
4577 * src/c++20/Makefile.am: Generate tzdata.zi.h header.
4578 * src/c++20/Makefile.in: Regenerate.
4579 * src/c++20/tzdb.cc (__gnu_cxx::zoneinfo_dir_override): Return a
4580 null pointer if no directory is configured.
4581 (zoneinfo_dir): Replace with ...
4582 (zoneinfo_file): New function.
4583 (tzdata_stream): New istream class.
4584 (remote_version, reload_tzdb): Use tzdata_stream.
4585 * testsuite/lib/libstdc++.exp (check_effective_target_tzdb):
4586 Check new _GLIBCXX_STATIC_TZDATA macro and ignore presence of
4587 tzdata.zi file in default location.
4588 * src/c++20/tzdata.zi: New file.
4590 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
4592 * include/bits/chrono_io.h (operator<<): Fix syntax errors.
4593 * testsuite/std/time/month_day/io.cc: New test.
4594 * testsuite/std/time/month_day_last/io.cc: New test.
4595 * testsuite/std/time/month_weekday/io.cc: New test.
4596 * testsuite/std/time/month_weekday_last/io.cc: New test.
4597 * testsuite/std/time/weekday_indexed/io.cc: New test.
4598 * testsuite/std/time/weekday_last/io.cc: New test.
4599 * testsuite/std/time/year_month/io.cc: New test.
4600 * testsuite/std/time/year_month_day_last/io.cc: New test.
4601 * testsuite/std/time/year_month_weekday/io.cc: New test.
4602 * testsuite/std/time/year_month_weekday_last/io.cc: New test.
4604 2023-01-14 François Dumont <fdumont@gcc.gnu.org>
4606 * include/std/format [_GLIBCXX_INLINE_VERSION](to_chars): Adapt __asm symbol
4608 * config/abi/pre/gnu-versioned-namespace.ver: Add to_chars/from_chars symbols
4611 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
4613 * include/bits/std_mutex.h: Include <errno.h>.
4615 2023-01-13 Arsen Arsenović <arsen@aarsen.me>
4617 * testsuite/20_util/to_chars/version.cc: Mark hosted-only.
4618 * testsuite/20_util/uses_allocator/lwg3677.cc: Ditto.
4619 * testsuite/20_util/weak_ptr/cons/self_move.cc: Ditto.
4620 * testsuite/std/ranges/adaptors/as_rvalue/1.cc: Replace usage of
4621 std::make_unique with a freestanding-compatible wrapper around
4623 * testsuite/21_strings/basic_string_view/operations/contains/char.cc:
4624 Don't test for presence of __cpp_lib_string_contains on !HOSTED.
4625 * testsuite/21_strings/basic_string_view/operations/contains/char/2.cc:
4627 * testsuite/std/ranges/version_c++23.cc: Don't test for presence
4628 of __cpp_lib_ranges in !HOSTED.
4630 2023-01-13 Arsen Arsenović <arsen@aarsen.me>
4632 * include/Makefile.am: Install bits/char_traits.h,
4634 * include/Makefile.in: Regenerate.
4635 * include/bits/char_traits.h: Gate hosted-only, wchar-only and
4636 mbstate-only bits behind appropriate #ifs.
4637 * include/std/string_view: Gate <iostream> functionality behind
4639 * include/std/version: Enable __cpp_lib_constexpr_string_view
4640 and __cpp_lib_starts_ends_with in !HOSTED.
4641 * include/std/ranges: Re-enable __is_basic_string_view on
4642 freestanding, include <string_view> directly.
4643 * include/precompiled/stdc++.h: Include <string_view> when
4645 * testsuite/20_util/function_objects/searchers.cc: Skip testing
4646 boyer_moore searchers on freestanding
4647 * testsuite/21_strings/basic_string_view/capacity/1.cc: Guard
4648 <string>-related tests behind __STDC_HOSTED__.
4649 * testsuite/21_strings/basic_string_view/cons/char/1.cc: Ditto.
4650 * testsuite/21_strings/basic_string_view/cons/char/2.cc: Remove
4651 unused <stdexcept> include.
4652 * testsuite/21_strings/basic_string_view/cons/char/3.cc: Remove
4653 unused <vector> include.
4654 * testsuite/21_strings/basic_string_view/cons/char/range.cc:
4655 Guard <string> related testing behind __STDC_HOSTED__.
4656 * testsuite/21_strings/basic_string_view/cons/wchar_t/1.cc:
4657 Guard <stdexcept> related tests behind __STDC_HOSTED__.
4658 * testsuite/21_strings/basic_string_view/element_access/char/1.cc:
4660 * testsuite/21_strings/basic_string_view/element_access/wchar_t/1.cc:
4661 Guard <stdexcept> tests behind __STDC_HOSTED__.
4662 * testsuite/21_strings/basic_string_view/operations/contains/char/2.cc:
4663 Enable test on freestanding, guard <stdexcept> bits behind
4665 * testsuite/21_strings/basic_string_view/operations/substr/char.cc:
4666 Guard <stdexcept> bits behind __STDC_HOSTED__.
4667 * testsuite/21_strings/basic_string_view/operations/substr/wchar_t.cc:
4670 2023-01-13 Dimitrij Mijoski <dmjpp@hotmail.com>
4673 * src/c++11/codecvt.cc (read_utf8_code_point): Correctly detect
4674 errors in incomplete multibyte sequences.
4675 (utf16_in): Remove surrogates parameter. Fix conditions for
4677 (utf16_out): Fix condition for returning partial.
4678 (ucs2_in): Do not pass surrogates argument to utf16_in.
4679 * testsuite/22_locale/codecvt/codecvt_unicode.cc: New test.
4680 * testsuite/22_locale/codecvt/codecvt_unicode.h: New header for
4682 * testsuite/22_locale/codecvt/codecvt_unicode_wchar_t.cc: New
4685 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
4688 * config/io/c_io_stdio.h (__c_lock): Define as a typedef for
4689 __GTHREAD_LEGACY_MUTEX_T if defined.
4691 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
4694 * config/os/gnu-linux/ldbl-extra.ver (GLIBCXX_LDBL_3.4.31):
4695 Export __try_use_facet specializations for facets in namespace
4697 * config/os/gnu-linux/ldbl-ieee128-extra.ver
4698 (GLIBCXX_IEEE128_3.4.31): Likewise for facets in namespace
4700 * testsuite/util/testsuite_abi.cc: Add to lists of known and
4703 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
4705 * include/bits/std_mutex.h: Remove <system_error> include.
4706 * include/std/condition_variable: Add <bits/error_constants.h>
4708 * include/std/mutex: Likewise.
4709 * include/std/shared_mutex: Likewise.
4711 2023-01-12 Jonathan Wakely <jwakely@redhat.com>
4714 * include/experimental/memory_resource
4715 (_GLIBCXX_MAX_ALIGN_MATCHES_MALLOC): Define.
4716 (do_allocate, do_deallocate): Check it.
4717 * testsuite/experimental/memory_resource/new_delete_resource.cc:
4718 Relax expected behaviour for 64-bit hppa-hp-hpux11.11.
4720 2023-01-12 Jonathan Wakely <jwakely@redhat.com>
4722 * doc/xml/manual/abi.xml: Add latest library versions.
4723 * doc/html/manual/abi.html: Regenerate.
4725 2023-01-12 François Dumont <fdumont@gcc.gnu.org>
4728 * include/bits/stl_tree.h (_Rb_tree<>::_M_insert_range_equal): Remove
4729 unused _Alloc_node instance.
4731 2023-01-12 Jonathan Wakely <jwakely@redhat.com>
4733 * include/bits/atomic_wait.h (__detail::__platform_wait_t):
4734 Define as unsigned long if always lock-free, and unsigned int
4737 2023-01-10 Jonathan Wakely <jwakely@redhat.com>
4739 * src/c++20/tzdb.cc (tzdb_list::_S_init_tzdb): Use __try and
4740 __catch macros for exception handling.
4742 2023-01-10 Jonathan Wakely <jwakely@redhat.com>
4745 * include/bits/stl_algobase.h (__lg): Replace six overloads with
4746 a single function template for all integer types.
4747 * include/bits/stl_algo.h (__merge_adaptive_resize): Cast
4748 arithmetic results back to _Distance.
4750 2023-01-10 Jonathan Wakely <jwakely@redhat.com>
4753 * include/std/span (span::span()): Un-simplify constraint to
4754 work for size_t of lesser rank than int.
4756 2023-01-07 LIU Hao <lh_mouse@126.com>
4758 PR middle-end/108300
4759 * src/c++11/system_error.cc: Define `WIN32_LEAN_AND_MEAN` before
4761 * src/c++11/thread.cc: Likewise.
4762 * src/c++17/fs_ops.cc: Likewise.
4763 * src/filesystem/ops.cc: Likewise.
4765 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4768 * src/c++20/tzdb.cc (zoneinfo_dir): Add diagnostic pragma.
4770 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4773 * src/c++20/tzdb.cc (time_zone::_Impl::RulesCounter): New class
4774 template and partial specialization for synchronizing access to
4775 time_zone::_Impl::infos.
4776 (time_zone::_M_get_sys_info, reload_tzdb): Adjust uses of
4779 2023-01-06 Patrick Palka <ppalka@redhat.com>
4782 * include/bits/utility.h (__cpp_lib_ranges_zip): Define for C++23.
4783 * include/std/ranges (__cpp_lib_ranges_zip): Likewise.
4784 (__cpp_lib_ranges_chunk): Likewise.
4785 (__cpp_lib_ranges_slide): Likewise.
4786 (__cpp_lib_ranges_chunk_by): Likewise.
4787 (__cpp_lib_ranges_join_with): Likewise.
4788 (__cpp_lib_ranges_repeat): Likewise.
4789 (__cpp_lib_ranges_stride): Likewise.
4790 (__cpp_lib_ranges_cartesian_product): Likewise.
4791 (__cpp_lib_ranges_as_rvalue): Likewise.
4792 * include/std/version: Ditto.
4793 * testsuite/20_util/tuple/p2321r2.cc: Verify value of
4795 * testsuite/std/ranges/adaptors/as_rvalue/1.cc: Likewise.
4796 * testsuite/std/ranges/adaptors/chunk/1.cc: Likewise.
4797 * testsuite/std/ranges/adaptors/chunk_by/1.cc: Likewise.
4798 * testsuite/std/ranges/adaptors/join_with/1.cc: Likewise.
4799 * testsuite/std/ranges/adaptors/slide/1.cc: Likewise.
4800 * testsuite/std/ranges/adaptors/stride/1.cc: Likewise.
4801 * testsuite/std/ranges/cartesian_product/1.cc: Likewise.
4802 * testsuite/std/ranges/repeat/1.cc: Likewise.
4803 * testsuite/std/ranges/zip/1.cc: Likewise.
4804 * testsuite/std/ranges/version_c++23.cc: New test.
4806 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4809 * include/std/bitset (operator>>): Use alloca in the right
4810 scope, not in a constructor.
4811 * testsuite/20_util/bitset/io/input.cc: Check case from PR.
4813 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4816 * include/std/format (basic_format_arg) [!__cpp_lib_to_chars]:
4817 Disable visiting floating-point types.
4819 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4822 * include/debug/safe_iterator.h (_Safe_iterator::operator++(int))
4823 (_Safe_iterator::operator--(int)): Do not hold lock around
4824 construction of return value.
4826 2023-01-05 John David Anglin <danglin@gcc.gnu.org>
4828 * config/cpu/hppa/atomicity.h (_PA_LDCW_INSN): Define.
4829 (__exchange_and_add): Use _PA_LDCW_INSN. Use ordered store for
4830 lock release. Revise loop.
4831 (__atomic_add): Likewise.
4833 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4836 * python/libstdcxx/v6/printers.py (_utc_timezone): New global
4838 (StdChronoTimePointPrinter::to_string): Use it.
4840 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4843 * include/std/functional (_Bind_front): Add no_unique_address
4844 attribute to data members.
4845 * testsuite/20_util/function_objects/bind_front/107784.cc: Check
4846 size of call wrappers with empty types for targets and bound
4849 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4852 * src/c++20/tzdb.cc (chrono::current_zone()): Check for zone
4853 using only last component of the name.
4855 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4859 * config/abi/pre/gnu.ver: Move zoneinfo_dir_override export to
4860 the latest symbol version.
4861 * src/c++20/tzdb.cc (USE_ATOMIC_SHARED_PTR): Define to 0 if
4862 atomic<_Node*> is not always lock free.
4863 (USE_ATOMIC_LIST_HEAD): New macro.
4864 [__hpux__] (__gnu_cxx::zoneinfo_dir_override()): Provide
4865 definition of weak symbol.
4866 (tzdb_list::_Node::_S_head): Rename to _S_head_cache.
4867 (tzdb_list::_Node::_S_list_head): New function for accessing
4868 list head efficiently.
4869 (tzdb_list::_Node::_S_cache_list_head): New function for
4870 updating _S_list_head.
4872 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4875 * include/std/chrono (hh_mm_ss): Do not use chrono::abs if
4876 duration rep is unsigned.
4877 * testsuite/std/time/hh_mm_ss/1.cc: Check unsigned rep.
4879 2023-01-04 Iain Sandoe <iain@sandoe.co.uk>
4882 * config/abi/pre/gnu.ver (GLIBCXX_3.4):
4883 Add __gnu_cxx::zoneinfo_dir_override().
4885 2023-01-04 Jonathan Wakely <jwakely@redhat.com>
4888 * include/std/array (__array_traits<T, 0>::operator T*()): Add
4890 * testsuite/23_containers/array/element_access/constexpr_c++17.cc: Check
4891 std::array<T, 0>::data().
4894 Copyright (C) 2023 Free Software Foundation, Inc.
4896 Copying and distribution of this file, with or without modification,
4897 are permitted in any medium without royalty provided the copyright
4898 notice and this notice are preserved.