1 2023-09-11 Jonathan Wakely <jwakely@redhat.com>
3 * src/c++11/debug.cc (acquire_sequence_ptr_for_lock): New
5 (reset_sequence_ptr): New function.
6 (_Safe_iterator_base::_M_detach)
7 (_Safe_local_iterator_base::_M_detach): Replace bare atomic_load
8 with acquire_sequence_ptr_for_lock.
9 (_Safe_iterator_base::_M_reset): Replace bare atomic_store with
12 2023-09-11 Jonathan Wakely <jwakely@redhat.com>
14 * src/c++11/Makefile.am: Add new file.
15 * src/c++11/Makefile.in: Regenerate.
16 * src/c++11/debug.cc (__glibcxx_assert_fail): Move to ...
17 * src/c++11/assert_fail.cc: New file.
19 2023-09-11 Ken Matsui <kmatsui@gcc.gnu.org>
21 * include/bits/c++config (_GLIBCXX_HAS_BUILTIN): Do not undef.
22 (_GLIBCXX_USE_BUILTIN_TRAIT): Define.
24 2023-09-11 Jonathan Wakely <jwakely@redhat.com>
26 * include/bits/version.def (__cpp_lib_formatters): Define.
27 * include/bits/version.h: Regenerate.
28 * include/std/stacktrace (formatter<stacktrace_entry>)
29 (formatter<basic_stacktrace<Alloc>>): Define.
30 * include/std/thread (formatter<thread::id, charT>): Define.
31 * testsuite/19_diagnostics/stacktrace/output.cc: New test.
32 * testsuite/19_diagnostics/stacktrace/synopsis.cc: Add
33 std::formatter specializations.
34 * testsuite/19_diagnostics/stacktrace/version.cc: Check
35 __cpp_lib_formatters macro.
36 * testsuite/30_threads/thread/id/hash.cc: Remove gthreads
38 * testsuite/30_threads/thread/id/operators.cc: Likewise.
39 * testsuite/30_threads/thread/id/operators_c++20.cc: Likewise.
40 * testsuite/30_threads/thread/id/output.cc: New test.
42 2023-09-11 Pekka Seppänen <pexu@gcc.mail.kapsi.fi>
44 * src/c++11/cow-locale_init.cc: Add [[maybe_unused]] attribute.
45 * src/c++17/fs_path.cc (path::_S_convert_loc): Likewise.
46 * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
48 2023-09-08 Jonathan Wakely <jwakely@redhat.com>
50 * acinclude.m4 (GLIBCXX_CONFIGURE): Add c++23 directory.
51 * configure: Regenerate.
52 * doc/html/manual/*: Regenerate.
53 * doc/xml/manual/using.xml: Update documentation on linking.
54 * include/std/stacktrace: Remove declarations of libbacktrace
56 (stacktrace_entry::_S_err_handler, stacktrace_entry::_S_init):
58 (stacktrace_entry::_Info): New class.
59 (stacktrace_entry::_M_get_info): Use _Info.
60 (__stacktrace_impl): New class.
61 (basic_stacktrace): Derive from __stacktrace_impl.
62 (basic_stacktrace::current): Use __stacktrace_impl::_S_current.
63 * scripts/testsuite_flags.in: Adjust LDFLAGS to find
64 libstdc++exp instead of libstdc++_libbacktrace.
65 * src/Makefile.am (SUBDIRS): Add c++23 directory.
66 * src/Makefile.in: Regenerate.
67 * src/c++20/Makefile.am: Fix comment.
68 * src/c++20/Makefile.in: Regenerate.
69 * src/c++23/Makefile.am: New file.
70 * src/c++23/Makefile.in: New file.
71 * src/c++23/stacktrace.cc: New file with definitions of
72 stacktrace_entry::_Info and __stacktrace_impl members.
73 * src/experimental/Makefile.am: Use LIBADD to include other
75 * src/experimental/Makefile.in: Regenerate.
76 * src/libbacktrace/Makefile.am: Use noinst_LTLIBRARIES.
77 * src/libbacktrace/Makefile.in: Regenerate.
78 * testsuite/19_diagnostics/stacktrace/current.cc: Adjust
79 dg-options to use -lstdc++exp.
80 * testsuite/19_diagnostics/stacktrace/entry.cc: Likewise.
81 * testsuite/19_diagnostics/stacktrace/stacktrace.cc: Likewise.
82 * testsuite/23_containers/vector/debug/assign4_backtrace_neg.cc:
85 2023-09-08 Alexey Lapshin <alexey.lapshin@espressif.com>
87 * src/libbacktrace/Makefile.am: Remove -Werror.
88 * src/libbacktrace/Makefile.in: Regenerate.
90 2023-09-08 Jonathan Wakely <jwakely@redhat.com>
92 * testsuite/Makefile.am (check-DEJAGNU): Use @ in recipe.
93 * testsuite/Makefile.in: Regenerate.
95 2023-09-08 Yang Yujie <yangyujie@loongson.cn>
97 * configure.host: Register t-loongarch in tmake_file.
98 * config/cpu/loongarch/t-loongarch: New file. Manually refresh
99 MULTISUBDIR with $(shell $(CXX) --print-multi-directory).
101 2023-09-07 Bruno Victal <mirai@makinata.eu>
103 * acinclude.m4: Update docbook xsl URI.
104 * configure: Regenerate.
106 2023-09-07 Bruno Victal <mirai@makinata.eu>
108 * doc/Makefile.am: Fix 'doc-install-info' rule.
109 Fix typo in commment.
110 * doc/Makefile.in: Regenerate.
112 2023-09-07 Jonathan Wakely <jwakely@redhat.com>
114 * testsuite/27_io/filesystem/path/concat/94063.cc: Simplify
115 dg-do target selector.
117 2023-09-07 Jonathan Wakely <jwakely@redhat.com>
119 * testsuite/config/default.exp: Remove trailing whitespace.
120 * testsuite/lib/dg-options.exp: Likewise.
121 * testsuite/lib/prune.exp: Likewise.
122 * testsuite/libstdc++-abi/abi.exp: Likewise.
123 * testsuite/libstdc++-dg/conformance.exp: Likewise.
124 * testsuite/libstdc++-prettyprinters/prettyprinters.exp:
126 * testsuite/libstdc++-xmethods/xmethods.exp: Likewise.
127 * testsuite/lib/libstdc++.exp: Likewise.
128 (check_v3_target_c_std): Fix filename for temporary source file.
130 2023-09-07 Jonathan Wakely <jwakely@redhat.com>
132 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for mkdir,
133 chmod, chdir, and getcwd.
134 * config.h.in: Regenerate.
135 * configure: Regenerate.
136 * src/c++17/fs_ops.cc (create_dir): Use USE_MKDIR macro.
137 (fs::current_path): Use USE_GETCWD and USE_CHDIR macros.
138 (fs::permissions): Use USE_CHMOD macro.
139 * src/filesystem/ops-common.h [FILESYSTEM_IS_WINDOWS]
140 (chmod, mkdir, getcwd, chdir): Define new macros.
141 [FILESYSTEM_IS_WINDOWS] (chmod, mkdir, getcwd, chdir): Use
143 * src/filesystem/ops.cc (create_dir): Use USE_MKDIR macro.
144 (fs::current_path): Use USE_GETCWD and USE_CHDIR macros.
145 (fs::permissions): Use USE_CHMOD macro.
147 2023-09-07 Jonathan Wakely <jwakely@redhat.com>
149 * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Disable by default
151 * configure: Regenerate.
153 2023-09-07 Jonathan Wakely <jwakely@redhat.com>
155 * testsuite/23_containers/unordered_map/operations/1.cc: Add
156 dg-options for C++20 mode.
157 * testsuite/23_containers/unordered_multimap/operations/1.cc:
159 * testsuite/23_containers/unordered_multiset/operations/1.cc:
161 * testsuite/23_containers/unordered_set/operations/1.cc:
163 * testsuite/std/time/parse.cc: Move dg-options before dg-do.
165 2023-09-07 Jonathan Wakely <jwakely@redhat.com>
167 * testsuite/std/ranges/access/cbegin.cc: Adjust for C++23
169 * testsuite/std/ranges/access/cdata.cc: Likewise.
170 * testsuite/std/ranges/access/cend.cc: Likewise.
171 * testsuite/std/ranges/access/crbegin.cc: Likewise.
172 * testsuite/std/ranges/access/crend.cc: Likewise.
173 * testsuite/std/ranges/adaptors/take.cc: Likewise.
174 * testsuite/std/ranges/adaptors/take_while.cc: Likewise.
175 * testsuite/std/ranges/adaptors/transform.cc: Likewise.
177 2023-09-07 Jonathan Wakely <jwakely@redhat.com>
179 * include/bits/iterator_concepts.h (__imove::iter_move): Define
180 poison pill as deleted for consistency.
181 (__access::begin): Replace with a single declaration.
182 * include/bits/ranges_base.h (__access::end, __access::rbegin)
183 (__access::rend, __access::size): Likewise.
184 * include/bits/version.def (ranges): Update value for C++23.
185 * include/bits/version.h: Regenerate.
186 * libsupc++/compare (__compare): Add missing poison pill
188 * testsuite/std/ranges/version_c++23.cc: Adjust expected value
190 * testsuite/std/ranges/access/p2602.cc: New test.
192 2023-09-07 Jonathan Wakely <jwakely@redhat.com>
194 * include/bits/iterator_concepts.h (ranges::__cust_imove):
195 Rename to ranges::__imove.
196 (_IMove): Rename to _IterMove.
197 (ranges::__cust_iswap): Rename to ranges::__iswap.
198 (ranges::__cust): Rename to ranges::_Cpo.
199 (ranges::__cust_access): Rename to ranges::__access.
200 * include/bits/ranges_base.h (ranges::__cust_access): Rename to
202 (ranges::__cust): Rename to ranges::_Cpo.
203 * include/std/concepts (ranges::__cust_swap): Rename to
205 (ranges::__cust): Rename to ranges::_Cpo.
206 * libsupc++/compare (__cmp_cust): Rename to __compare.
207 (__cmp_algo): Rename to _Cpo.
209 2023-09-07 Jonathan Wakely <jwakely@redhat.com>
211 * include/bits/version.def (ranges): Update value.
212 * include/bits/version.h: Regenerate.
213 * include/std/ranges (__detail::__boxable): Use
214 move_constructible instead of copy_constructible for C++23.
215 (__detail::__box<T>): Adjust constraints for partial
217 (single_view, transform_view): Use __box_constructible instead
218 of copy_constructible in constraints.
219 (zip_transform_view, adjacent_transform_view, repeat_view): Use
220 move_constructible instead of copy_constructible in constraints.
221 * testsuite/std/ranges/adaptors/adjacent_transform/1.cc: Check
222 construction from move-only argument.
223 * testsuite/std/ranges/adaptors/transform.cc: Likewise.
224 * testsuite/std/ranges/repeat/1.cc: Likewise.
225 * testsuite/std/ranges/single_view.cc: Likewise.
226 * testsuite/std/ranges/zip_transform/1.cc: Likewise.
227 * testsuite/std/ranges/version_c++23.cc: Adjust expected value
230 2023-09-07 Jonathan Wakely <jwakely@redhat.com>
232 * testsuite/util/testsuite_iterators.h (is_customization_point_object):
233 Remove parameter name.
235 2023-09-06 Jonathan Wakely <jwakely@redhat.com>
237 * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Disable by default
239 * configure: Regenerate.
241 2023-09-04 Christophe Lyon <christophe.lyon@linaro.org>
244 2023-09-04 Christophe Lyon <christophe.lyon@linaro.org>
247 * configure: Regenerate.
248 * configure.ac: Call GLIBCXX_CHECK_LINKER_FEATURES in cross,
251 2023-09-04 Christophe Lyon <christophe.lyon@linaro.org>
254 * configure: Regenerate.
255 * configure.ac: Call GLIBCXX_CHECK_LINKER_FEATURES in cross,
258 2023-09-04 Jonathan Wakely <jwakely@redhat.com>
260 * testsuite/26_numerics/complex/literals/types.cc: Remove
261 dg-options and add target selector instead.
263 2023-09-04 Jonathan Wakely <jwakely@redhat.com>
265 * testsuite/tr1/6_containers/utility/pair.cc: Remove dg-options
266 and qualify ambiguous calls to get.
267 * testsuite/tr1/8_c_compatibility/cmath/pow_cmath.cc: Adjust
268 expected result for std::pow(float, int) as per DR 550.
270 2023-09-04 Jonathan Wakely <jwakely@redhat.com>
272 * testsuite/20_util/auto_ptr/1.cc: Remove dg-options -std=c++03
273 and add dg-warning for deprecation warnings.
274 * testsuite/20_util/auto_ptr/2.cc: Likewise.
275 * testsuite/20_util/auto_ptr/3.cc: Likewise.
276 * testsuite/20_util/auto_ptr/3946.cc: Likewise.
277 * testsuite/20_util/auto_ptr/4.cc: Likewise.
278 * testsuite/20_util/auto_ptr/5.cc: Likewise.
279 * testsuite/20_util/auto_ptr/6.cc: Likewise.
280 * testsuite/20_util/auto_ptr/7.cc: Likewise.
281 * testsuite/20_util/auto_ptr/assign_neg.cc: Likewise.
282 * testsuite/20_util/auto_ptr/requirements/explicit_instantiation/1.cc:
284 * testsuite/tr1/2_general_utilities/shared_ptr/assign/auto_ptr.cc:
286 * testsuite/tr1/2_general_utilities/shared_ptr/assign/auto_ptr_neg.cc:
288 * testsuite/tr1/2_general_utilities/shared_ptr/assign/auto_ptr_rvalue_neg.cc:
290 * testsuite/tr1/2_general_utilities/shared_ptr/cons/43820_neg.cc:
292 * testsuite/tr1/2_general_utilities/shared_ptr/cons/auto_ptr.cc:
294 * testsuite/tr1/2_general_utilities/shared_ptr/cons/auto_ptr_neg.cc:
297 2023-09-04 Jonathan Wakely <jwakely@redhat.com>
300 * testsuite/23_containers/vector/26412-1.cc: Moved to...
301 * testsuite/23_containers/vector/26142-1.cc: ...here.
302 * testsuite/23_containers/vector/26412-2.cc: Moved to...
303 * testsuite/23_containers/vector/26142-2.cc: ...here.
305 2023-09-04 Jonathan Wakely <jwakely@redhat.com>
307 * testsuite/20_util/bitset/107037.cc: Add c++98_only selector.
308 * testsuite/26_numerics/complex/56111.cc: Likewise.
310 2023-09-04 Jonathan Wakely <jwakely@redhat.com>
312 * testsuite/23_containers/deque/requirements/explicit_instantiation/2.cc:
313 Add dg-options to restrict the test to C++98 mode.
314 * testsuite/23_containers/list/requirements/explicit_instantiation/2.cc:
317 2023-09-04 Jonathan Wakely <jwakely@redhat.com>
319 * testsuite/20_util/expected/bad.cc: Add missing target
322 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
324 * testsuite/25_algorithms/copy/debug/constexpr_neg.cc: Adjust
326 * testsuite/25_algorithms/equal/debug/constexpr_neg.cc:
329 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
331 * testsuite/27_io/filesystem/iterators/91067.cc: Add
332 -Wno-self-move to options.
333 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
335 2023-09-01 Vladimir Palevich <palevichva@gmail.com>
338 * include/bits/vector.tcc (_M_realloc_insert): End guard
339 lifetime just before assignment to class members.
340 (_M_default_append): Likewise.
342 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
344 * src/c++17/fs_ops.cc (fs::absolute) [FILESYSTEM_IS_WINDOWS]:
345 Use __resize_and_overwrite to fill buffer.
346 (fs::read_symlink) [HAVE_READLINK]: Likewise.
347 * src/filesystem/ops-common.h (get_temp_directory_from_env)
348 [FILESYSTEM_IS_WINDOWS]: Likewise.
350 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
353 * include/bits/atomic_base.h (__atomic_impl::__compare_exchange):
354 Add _AtomicRef non-type template parameter and use a loop if it
356 (__atomic_impl::compare_exchange_weak): Add _AtomicRef NTTP.
357 (__atomic_impl::compare_exchange_strong): Likewise.
358 (atomic_ref::compare_exchange_weak): Use true for NTTP.
359 (atomic_ref::compare_exchange_strong): Use true for NTTP.
360 * testsuite/29_atomics/atomic_ref/compare_exchange_padding.cc:
361 Fix test to not rely on atomic_ref::load() to return an object
362 with padding preserved.
364 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
366 * testsuite/27_io/filesystem/path/108636.cc: Add dg-require for
369 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
371 * src/c++20/tzdb.cc (tzdb::current_zone): Check configure macros
372 for POSIX readlink before using filesystem::read_symlink.
374 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
376 * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Default to yes.
377 * configure: Regenerate.
379 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
381 * include/bits/chrono_io.h (_Parser::operator()): Set failbit
382 early if invalid values are read when _M_need & _TimeOfDay is
384 * testsuite/std/time/parse.cc: Check that "25:59" cannot be
387 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
390 * include/bits/chrono_io.h (_Parser::Operator()): Check %C
391 values are in range of year::min() to year::max().
392 * testsuite/std/time/parse.cc: Check out of range centuries.
394 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
396 * include/std/format (__format::_Sink::_M_reset): Change second
397 argument from iterator to offset.
399 2023-08-24 Paul Dreik <gccpatches@pauldreik.se>
402 * testsuite/std/format/string.cc: Check wide character format
403 strings with out-of-range widths.
405 2023-08-24 Paul Dreik <gccpatches@pauldreik.se>
408 * include/std/format (__format::__parse_integer): Check for
411 2023-08-24 Jonathan Wakely <jwakely@redhat.com>
413 * testsuite/std/format/functions/format_to.cc: Avoid warning for
416 2023-08-24 Jonathan Wakely <jwakely@redhat.com>
418 * include/std/atomic: Add comment to #ifdef and fix indentation.
419 * include/std/ostream: Check __glibcxx_syncbuf instead of
420 __cplusplus and _GLIBCXX_HOSTED.
421 * include/std/thread: Add comment to #ifdef.
423 2023-08-24 Jonathan Wakely <jwakely@redhat.com>
425 * include/bits/version.def (__cpp_lib_ratio): Define.
426 * include/bits/version.h: Regenerate.
427 * include/std/ratio (quecto, ronto, yocto, zepto)
428 (zetta, yotta, ronna, quetta): Define.
429 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Adjust
430 dg-error line numbers.
432 2023-08-24 Jonathan Wakely <jwakely@redhat.com>
434 * python/libstdcxx/v6/printers.py (StdLocalePrinter): New
436 * testsuite/libstdc++-prettyprinters/locale.cc: New test.
438 2023-08-24 Jonathan Wakely <jwakely@redhat.com>
441 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Do
442 not show template arguments.
443 (StdVariantPrinter): Likewise.
444 * testsuite/libstdc++-prettyprinters/compat.cc: Adjust expected
446 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
447 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
449 2023-08-23 François Dumont <fdumont@gcc.gnu.org>
451 * testsuite/util/replacement_memory_operators.h
452 (counter::scope): New, capture and reset counter count at construction and
453 restore it at destruction.
454 (counter::check_new): Add scope instantiation.
455 * testsuite/23_containers/unordered_map/96088.cc (main):
456 Add counter::scope instantiation.
457 * testsuite/23_containers/unordered_multimap/96088.cc (main): Likewise.
458 * testsuite/23_containers/unordered_multiset/96088.cc (main): Likewise.
459 * testsuite/23_containers/unordered_set/96088.cc (main): Likewise.
460 * testsuite/ext/malloc_allocator/deallocate_local.cc (main): Likewise.
461 * testsuite/ext/new_allocator/deallocate_local.cc (main): Likewise.
462 * testsuite/ext/throw_allocator/deallocate_local.cc (main): Likewise.
463 * testsuite/ext/pool_allocator/allocate_chunk.cc (started): New global.
464 (operator new(size_t)): Check started.
465 (main): Set/Unset started.
466 * testsuite/17_intro/no_library_allocation.cc: New test case.
468 2023-08-21 Jonathan Wakely <jwakely@redhat.com>
470 * testsuite/18_support/nested_exception/rethrow_if_nested-term.cc:
471 Call std::set_terminate before throwing the nested exception.
473 2023-08-18 Jonathan Wakely <jwakely@redhat.com>
476 * include/std/format (formatter): Only define specializations
477 for 16-bit floating-point types for C++23.
478 * include/std/limits (numeric_limits): Likewise.
480 2023-08-18 Jonathan Wakely <jwakely@redhat.com>
482 * include/bits/chrono_io.h (operator<<): Make uses of wide
483 strings with streams and std::format type-dependent on _CharT.
484 * include/std/format [!_GLIBCXX_USE_WCHAR_T] Do not use
485 __to_wstring_numeric.
487 2023-08-18 Jonathan Wakely <jwakely@redhat.com>
489 * include/bits/chrono_io.h (operator<<): Use __format_context.
490 * include/std/format (__format::__format_context): New alias
492 [!_GLIBCXX_USE_WCHAR_T] (wformat_args, make_wformat_arg):
495 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
498 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
500 * config/locale/generic/c_locale.cc (__convert_to_v): Reuse
501 double overload for long double if possible.
503 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
505 * src/c++20/tzdb.cc (tzdata_file, leaps_file): Change type to
508 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
510 * config/locale/generic/c_locale.cc (__convert_to_v): Reuse
511 double overload for long double if possible.
513 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
515 * src/c++98/localename.cc (is_C_locale): New function.
516 (locale::locale(const char*)): Use is_C_locale.
518 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
521 * include/bits/basic_string.h (basic_string::assign(Iter, Iter)):
522 Dispatch to _M_replace or move assignment from a temporary,
523 based on the iterator type.
525 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
527 * include/std/format (formatter): Add partial specializations
528 for extended floating-point types.
529 * testsuite/std/format/functions/format.cc: Move test_float128()
531 * testsuite/std/format/formatter/ext_float.cc: New test.
533 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
535 * include/bits/c++config (__gnu_cxx::__bfloat16_t): Define
536 whenever __BFLT16_DIG__ is defined, not only for C++23.
537 * include/std/limits (numeric_limits<bfloat16_t>): Likewise.
538 (numeric_limits<_Float16>, numeric_limits<_Float32>)
539 (numeric_limits<_Float64>): Likewise for other extended
540 floating-point types.
542 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
544 * include/experimental/internet (address_v4::to_string): Remove
545 unused parameter name.
547 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
549 * libsupc++/compare (__cmp_cat::__unseq): Make ctor consteval.
550 * testsuite/18_support/comparisons/categories/zero_neg.cc: Prune
551 excess errors caused by invalid consteval calls.
553 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
555 * include/bits/chrono_io.h (__units_suffix_misc): Remove.
556 (__units_suffix): Return a known suffix as string view, do not
557 write unknown suffixes to a buffer.
558 (__fmt_units_suffix): New function that formats the suffix using
560 (operator<<, __chrono_formatter::_M_q): Use __fmt_units_suffix.
561 (__chrono_formatter::_M_Z): Correct lifetime of wstring.
563 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
565 * include/std/format [_GLIBCXX_USE_WCHAR_T]: Guard all wide
566 string formatters with this macro.
567 (__formatter_int::_M_format_int, __formatter_fp::format)
568 (formatter<const void*, C>::format): Use __to_wstring_numeric
569 instead of std::ctype::widen.
570 (__formatter_fp::_M_localize): Use hardcoded wchar_t values
571 instead of std::ctype::widen.
572 * testsuite/std/format/functions/format.cc: Add more checks for
573 wstring formatting of arithmetic types.
575 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
577 * include/bits/basic_string.h (to_string(floating-point-type)):
578 Implement using std::to_chars for C++26.
579 * include/bits/version.def (__cpp_lib_to_string): Define.
580 * include/bits/version.h: Regenerate.
581 * testsuite/21_strings/basic_string/numeric_conversions/char/dr1261.cc:
582 Adjust expected result in C++26 mode.
583 * testsuite/21_strings/basic_string/numeric_conversions/char/to_string.cc:
585 * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/dr1261.cc:
587 * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/to_wstring.cc:
589 * testsuite/21_strings/basic_string/numeric_conversions/char/to_string_float.cc:
591 * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/to_wstring_float.cc:
593 * testsuite/21_strings/basic_string/numeric_conversions/version.cc:
596 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
598 * include/bits/basic_string.h (to_string(integral-type)): Use
599 resize_and_overwrite when available.
600 (__to_wstring_numeric): New helper functions.
601 (to_wstring): Use std::to_string then __to_wstring_numeric.
602 * testsuite/21_strings/basic_string/numeric_conversions/char/to_string_int.cc:
603 Remove check for no excess capacity.
605 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
607 * include/bits/basic_string.h (__resize_and_overwrite): New
609 * include/bits/basic_string.tcc (__resize_and_overwrite): New
611 (resize_and_overwrite): Simplify by using reserve instead of
612 growing the string manually. Adjust for C++11 compatibility.
613 * include/bits/cow_string.h (resize_and_overwrite): New
615 (__resize_and_overwrite): New function.
616 * include/bits/version.def (__cpp_lib_string_resize_and_overwrite):
617 Do not depend on cxx11abi.
618 * include/bits/version.h: Regenerate.
619 * include/std/format (__formatter_fp::_S_resize_and_overwrite):
621 (__formatter_fp::format, __formatter_fp::_M_localize): Use
622 __resize_and_overwrite instead of _S_resize_and_overwrite.
623 * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
624 Adjust for C++11 compatibility when included by ...
625 * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite_ext.cc:
628 2023-08-17 Patrick Palka <ppalka@redhat.com>
630 * include/bits/regex.h (regex_iterator::iterator_concept):
631 Define for C++20 as per P2770R0.
632 (regex_token_iterator::iterator_concept): Likewise.
633 * include/std/ranges (__detail::__as_lvalue): Define.
634 (join_view::_Iterator): Befriend join_view.
635 (join_view::_Iterator::_M_satisfy): Use _M_get_outer
637 (join_view::_Iterator::_M_get_outer): Define.
638 (join_view::_Iterator::_Iterator): Split constructor taking
639 _Parent argument into two as per P2770R0. Remove constraint on
641 (join_view::_Iterator::_M_outer): Make this data member present
642 only when the underlying range is forward.
643 (join_view::_Iterator::operator++): Use _M_get_outer instead of
645 (join_view::_Iterator::operator--): Use __as_lvalue helper.
646 (join_view::_Iterator::operator==): Adjust constraints as per
648 (join_view::_Sentinel::__equal): Use _M_get_outer instead of
650 (join_view::_M_outer): New data member when the underlying range
652 (join_view::begin): Adjust definition as per P2770R0.
653 (join_view::end): Likewise.
654 (join_with_view::_M_outer_it): New data member when the
655 underlying range is non-forward.
656 (join_with_view::begin): Adjust definition as per P2770R0.
657 (join_with_view::end): Likewise.
658 (join_with_view::_Iterator::_M_outer_it): Make this data member
659 present only when the underlying range is forward.
660 (join_with_view::_Iterator::_M_get_outer): Define.
661 (join_with_view::_Iterator::_Iterator): Split constructor
662 taking _Parent argument into two as per P2770R0. Remove
663 constraint on default constructor.
664 (join_with_view::_Iterator::_M_update_inner): Adjust definition
666 (join_with_view::_Iterator::_M_get_inner): Likewise.
667 (join_with_view::_Iterator::_M_satisfy): Adjust calls to
668 _M_get_inner. Use _M_get_outer instead of _M_outer_it.
669 (join_with_view::_Iterator::operator==): Adjust constraints
671 (join_with_view::_Sentinel::operator==): Use _M_get_outer
672 instead of _M_outer_it.
673 * testsuite/std/ranges/adaptors/p2770r0.cc: New test.
675 2023-08-17 Patrick Palka <ppalka@redhat.com>
678 * include/std/ranges (__adaptor::_RangeAdaptorClosure):
679 Convert into a CRTP class template. Move hidden operator|
680 friends into namespace scope and adjust their constraints.
681 (__closure::__is_range_adaptor_closure_fn): Define.
682 (__closure::__is_range_adaptor_closure): Define.
683 (__adaptor::_Partial): Adjust use of _RangeAdaptorClosure.
684 (__adaptor::_Pipe): Likewise.
685 (views::_All): Likewise.
686 (views::_Join): Likewise.
687 (views::_Common): Likewise.
688 (views::_Reverse): Likewise.
689 (views::_Elements): Likewise.
690 (views::_Adjacent): Likewise.
691 (views::_AsRvalue): Likewise.
692 (views::_Enumerate): Likewise.
693 (views::_AsConst): Likewise.
694 * testsuite/std/ranges/adaptors/all.cc: Reinstate assertion
695 expecting that adding empty range adaptor closure objects to a
696 pipeline doesn't increase the size of a pipeline.
698 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
700 * include/std/format (__format::_Pres_type): Add _Pres_F.
701 (__formatter_fp::parse): Use _Pres_F for 'F'.
702 (__formatter_fp::format): Set __upper for _Pres_F.
703 * testsuite/std/format/functions/format.cc: Check formatting of
704 infinity and NaN for each presentation type.
706 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
708 * include/Makefile.in: Regenerate.
710 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
712 * testsuite/24_iterators/move_iterator/p2520r0.cc: Add no_pch.
713 * testsuite/std/format/functions/format.cc: Likewise.
714 * testsuite/std/format/functions/format_c++23.cc: Likewise.
716 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
718 * testsuite/lib/dg-options.exp (add_options_for_no_pch): Remove
719 any "-include bits/stdc++.h" from options and add the macro to
720 the existing options instead of replacing them.
722 2023-08-16 Jonathan Wakely <jwakely@redhat.com>
724 * include/bits/basic_string.tcc (resize_and_overwrite): Invoke
725 the callable with the same size as resize_and_overwrite was
727 * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
728 Check with small values for the new size.
729 * testsuite/std/format/functions/format.cc: Check wide
730 formatting of double values that produce small strings.
731 * testsuite/std/format/functions/format_c++23.cc: New test.
733 2023-08-16 Jonathan Wakely <jwakely@redhat.com>
735 * include/bits/version.def (stds): Update value for C++23.
736 * include/bits/version.h: Regenerate.
738 2023-08-16 Jonathan Wakely <jwakely@redhat.com>
740 * testsuite/25_algorithms/pstl/alg_sorting/set_difference.cc:
741 Fix name of upstream file this was derived from.
742 * testsuite/25_algorithms/pstl/alg_sorting/set_intersection.cc:
744 * testsuite/25_algorithms/pstl/alg_sorting/set_symmetric_difference.cc:
746 * testsuite/25_algorithms/pstl/alg_sorting/set_union.cc:
748 * testsuite/25_algorithms/pstl/alg_sorting/set_util.h: Likewise.
750 2023-08-16 Arsen Arsenović <arsen@aarsen.me>
752 * libsupc++/typeinfo: Switch to bits/version.h for
753 __cpp_lib_constexpr_typeinfo.
754 * libsupc++/new: Switch to bits/version.h for
755 __cpp_lib_{launder,hardware_interference_size,destroying_delete}.
756 (launder): Guard behind __cpp_lib_launder.
757 (hardware_destructive_interference_size)
758 (hardware_constructive_interference_size): Guard behind
759 __cpp_lib_hardware_interference_size.
760 * libsupc++/exception: Switch to bits/version.h for
761 __cpp_lib_uncaught_exceptions.
762 (uncaught_exceptions): Guard behind __cpp_lib_uncaught_exceptions.
763 * libsupc++/compare: Switch to bits/version.h for
764 __cpp_lib_three_way_comparison.
765 (three_way_comparable, three_way_comparable_with)
766 (compare_three_way, weak_order, strong_order, partial_order):
767 Guard behind __cpp_lib_three_way_comparison >= 201907L.
768 * include/std/chrono: Drop __cpp_lib_chrono definition.
769 * include/std/vector: Switch to bits/version.h for
771 (erase, erase_if): Guard behind __cpp_lib_erase_if.
772 * include/std/variant: Switch to bits/version.h for
773 __cpp_lib_variant. Guard whole header behind that FTM.
774 * include/std/utility: Switch to bits/version.h for
775 __cpp_lib_{exchange_function,constexpr_algorithms,as_const},
776 __cpp_lib_{integer_comparison_functions,to_underlying}, and
777 __cpp_lib_unreachable.
778 (exchange): Guard behind __cpp_lib_exchange_function.
779 (cmp_equal, cmp_not_equal, cmp_less, cmp_greater, cmp_less_equal)
780 (cmp_greater_equal, in_range): Guard behind
781 __cpp_lib_integer_comparison_functions.
782 (to_underlying): Guard behind __cpp_lib_to_underlying.
783 (unreachable): Guard behind __cpp_lib_unreachable.
784 * include/std/type_traits: Switch to bits/version.h for
785 __cpp_lib_is_{null_pointer,final,nothrow_convertible,aggregate},
786 __cpp_lib_is_{constant_evaluated,invocable,layout_compatible},
787 __cpp_lib_is_{pointer_interconvertible,scoped_enum,swappable},
788 __cpp_lib_{logical_traits,reference_from_temporary,remove_cvref},
789 __cpp_lib_{result_of_sfinae,transformation_trait_aliases},
790 __cpp_lib_{type_identity,type_trait_variable_templates},
791 __cpp_lib_{unwrap_ref,void_t,integral_constant_callable},
792 __cpp_lib_{bool_constant,bounded_array_traits}, and
793 __cpp_lib_has_unique_object_representations.
794 (integral_constant::operator()): Guard behind
795 __cpp_lib_integral_constant_callable.
796 (bool_constant): Guard behind __cpp_lib_bool_constant.
797 (conjunction, disjunction, negation, conjunction_v, disjunction_v)
798 (negation_v): Guard behind __cpp_lib_logical_traits.
799 (is_null_pointer): Guard behind __cpp_lib_is_null_pointer.
800 (is_final): Guard behind __cpp_lib_is_final.
801 (is_nothrow_convertible, is_nothrow_convertible_v): Guard behind
802 __cpp_lib_is_nothrow_convertible.
803 (remove_const_t, remove_volatile_t, remove_cv_t)
804 (add_const_t, add_volatile_t, add_cv_t): Guard behind
805 __cpp_lib_transformation_trait_aliases.
806 (void_t): Guard behind __cpp_lib_void_t.
807 (is_swappable_with_v, is_nothrow_swappable_with_v)
808 (is_swappable_with, is_nothrow_swappable_with): Guard behind
809 __cpp_lib_is_swappable.
810 (is_nothrow_invocable_r, is_invocable_r, invoke_result)
811 (is_invocable, invoke_result_t): Guard behind
812 __cpp_lib_is_invocable.
813 (alignment_of_v, extent_v, has_virtual_destructor_v)
814 (is_abstract_v, is_arithmetic_v, is_array_v)
815 (is_assignable_v, is_base_of_v, is_class_v, is_compound_v)
816 (is_constructible_v, is_const_v, is_convertible_v)
817 (is_copy_assignable_v, is_copy_constructible_v)
818 (is_default_constructible_v, is_destructible_v)
819 (is_empty_v, is_enum_v, is_final_v, is_floating_point_v)
820 (is_function_v, is_fundamental_v, is_integral_v)
821 (is_invocable_r_v, is_invocable_v, is_literal_type_v)
822 (is_lvalue_reference_v, is_member_function_pointer_v)
823 (is_member_object_pointer_v, is_member_pointer_v)
824 (is_move_assignable_v, is_move_constructible_v)
825 (is_nothrow_assignable_v, is_nothrow_constructible_v)
826 (is_nothrow_copy_assignable_v, is_nothrow_copy_constructible_v)
827 (is_nothrow_default_constructible_v, is_nothrow_destructible_v)
828 (is_nothrow_invocable_r_v, is_nothrow_invocable_v)
829 (is_nothrow_move_assignable_v, is_nothrow_move_constructible_v)
830 (is_null_pointer_v, is_object_v, is_pod_v, is_pointer_v)
831 (is_polymorphic_v, is_reference_v, is_rvalue_reference_v)
832 (is_same_v, is_scalar_v, is_signed_v, is_standard_layout_v)
833 (is_trivially_assignable_v, is_trivially_constructible_v)
834 (is_trivially_copyable_v, is_trivially_copy_assignable_v)
835 (is_trivially_copy_constructible_v)
836 (is_trivially_default_constructible_v)
837 (is_trivially_destructible_v, is_trivially_move_assignable_v)
838 (is_trivially_move_constructible_v, is_trivial_v, is_union_v)
839 (is_unsigned_v, is_void_v, is_volatile_v, rank_v, as variadic):
840 Guard behind __cpp_lib_type_trait_variable_templates.
841 (has_unique_object_representations)
842 (has_unique_object_representations_v): Guard behind
843 __cpp_lib_has_unique_object_representation.
844 (is_aggregate): Guard behind __cpp_lib_is_aggregate.
845 (remove_cvref, remove_cvref_t): Guard behind
846 __cpp_lib_remove_cvref.
847 (type_identity, type_identity_t): Guard behind
848 __cpp_lib_type_identity.
849 (unwrap_reference, unwrap_reference_t, unwrap_ref_decay)
850 (unwrap_ref_decay_t): Guard behind __cpp_lib_unwrap_ref.
851 (is_bounded_array_v, is_unbounded_array_v, is_bounded_array)
852 (is_unbounded_array): Guard behind __cpp_lib_bounded_array_traits.
853 (is_scoped_enum, is_scoped_enum_v): Guard behind
854 __cpp_lib_is_scoped_enum.
855 (reference_constructs_from_temporary)
856 (reference_constructs_from_temporary_v): Guard behind
857 __cpp_lib_reference_from_temporary.
858 * include/std/tuple: Switch to bits/version.h for
859 __cpp_lib_{constexpr_tuple,tuple_by_type,apply_make_from_tuple}.
860 (get<T>): Guard behind __cpp_lib_tuple_by_type.
861 (apply): Guard behind __cpp_lib_apply.
862 (make_from_tuple): Guard behind __cpp_lib_make_from_tuple.
863 * include/std/syncstream: Switch to bits/version.h for
864 __cpp_lib_syncbuf. Guard header behind that FTM.
865 * include/std/string_view: Switch to bits/version.h for
866 __cpp_lib_{string_{view,contains},constexpr_string_view} and
867 __cpp_lib_starts_ends_with.
868 (basic_string_view::starts_with, basic_string_view::ends_with):
869 Guard behind __cpp_lib_starts_ends_with.
870 [C++23 && _GLIBCXX_HOSTED && !defined(__cpp_lib_string_contains)]:
871 Assert as impossible ithout a bug in C++23.
872 * include/std/string: Switch to bits/version.h for
874 (erase, erase_if): Guard behind __cpp_lib_erase_if.
875 * include/std/thread: Switch to bits/version.h for
877 * include/std/stop_token: Switch to bits/version.h for
879 * include/std/spanstream: Switch to bits/version.h for
880 __cpp_lib_spanstream. Guard header behind that FTM.
881 * include/std/span: Switch to bits/version.h for __cpp_lib_span.
882 Guard header behind that FTM.
883 * include/std/source_location: Switch to bits/version.h for
884 __cpp_lib_source_location. Guard header with that FTM.
885 * include/std/shared_mutex: Switch to bits/version.h for
886 __cpp_lib_shared{,_timed}_mutex.
887 (shared_mutex): Guard behind __cpp_lib_shared_mutex.
888 * include/std/semaphore: Switch to bits/version.h for
889 __cpp_lib_semaphore. Guard header behind that FTM.
890 * include/std/ranges: Switch to bits/version.h for
891 __cpp_lib_ranges_{zip,chunk{,_by},slide,join_with},
892 __cpp_lib_ranges_{repeat_stride,cartesian_product,as_rvalue},
893 and __cpp_lib_ranges_{as_const,enumerate,iota}.
894 (ranges::zip et al, ranges::chunk et al, ranges::slide et al)
895 (ranges::chunk_by et al, ranges::join_with et al)
896 (ranges::stride et al, ranges::cartesian_product et al)
897 (ranges::as_rvalue et al, ranges::as_const et al)
898 (ranges::enumerate et al): Guard behind appropriate FTM.
899 * include/std/optional: Switch to bits/version.h for
900 __cpp_lib_optional. Guard header behind that FTM.
901 * include/std/numeric: Switch to bits/version.h for
902 __cpp_lib_{gcd{,_lcm},lcm,constexpr_numeric,interpolate}
903 and __cpp_lib_parallel_algorithm.
904 (gcd, lcm): Guard behind __cpp_lib_gcd_lcm.
905 (midpoint): Guard behind __cpp_lib_interpolate.
906 * include/std/numbers: Switch to bits/version.h for
907 __cpp_lib_math_constants. Guard header behind that FTM.
908 * include/std/mutex: Switch to bits/version.h for
909 __cpp_lib_scoped_lock.
910 (scoped_Lock): Guard behind __cpp_lib_scoped_lock.
911 * include/std/memory_resource: Switch to bits/version.h for
912 __cpp_lib_{polymorphic_allocator,memory_resource}.
913 (synchronized_pool_resource): Guard behind
914 __cpp_lib_memory_resource >= 201603L.
915 (polymorphic_allocator): Guard behind
916 __cpp_lib_polymorphic_allocator.
917 * include/std/memory: Switch to bits/version.h for
918 __cpp_lib_{parallel_algorithm,atomic_value_initialization}.
919 * include/std/list: Switch to bits/version.h for
921 (erase, erase_if): Guard behind __cpp_lib_erase_if.
922 * include/std/latch: Switch to bits/version.h for __cpp_lib_latch.
923 Guard header behind that FTM.
924 * include/std/iterator: Switch to bits/version.h for
925 __cpp_lib_null_iterators.
926 * include/std/iomanip: Switch to bits/version.h for
927 __cpp_lib_quoted_string_io.
928 (quoted): Guard behind __cpp_lib_quoted_string_io.
929 * include/std/functional: Switch to bits/version.h for
930 __cpp_lib_{invoke{,_r},constexpr_functional,bind_front} and
931 __cpp_lib_{not_fn,booyer_moore_searcher}.
932 (invoke): Guard behind __cpp_lib_invoke.
933 (invoke_r): Guard behind __cpp_lib_invoke_r.
934 (bind_front): Guard behind __cpp_lib_bind_front.
935 (not_fn): Guard behind __cpp_lib_not_fn.
936 (boyer_moore_searcher, boyer_moore_horspool_searcher): Guard
937 definition behind __cpp_lib_boyer_moore_searcher.
938 * include/std/forward_list: Switch to bits/version.h for
940 (erase, erase_if): Guard behind __cpp_lib_erase_if.
941 * include/std/format: Switch to bits/version.h for
942 __cpp_lib_format. Guard header behind that FTM.
943 * include/std/filesystem: Switch to bits/version.h for
944 __cpp_lib_filesystem. Guard header behind that FTM.
945 * include/std/expected: Switch to bits/version.h for
946 __cpp_lib_expected. Guard header behind it.
947 * include/std/execution: Switch to bits/version.h for
948 __cpp_lib_{execution,parallel_algorithm}. Guard header behind
950 * include/std/deque: Switch to bits/version.h for
952 (erase, erase_if): Guard behind __cpp_lib_erase_if.
953 * include/std/coroutine: Switch to bits/version.h for
954 __cpp_lib_coroutine. Guard header behind that FTM.
955 * include/std/concepts: Switch to bits/version.h for
956 __cpp_lib_concepts. Guard header behind that FTM.
957 * include/std/complex: Switch to bits/version.h for
958 __cpp_lib_{complex_udls,constexpr_complex}.
959 (operator""if, operator""i, operator""il): Guard behind
960 __cpp_lib_complex_udls.
961 * include/std/charconv: Swtich to bits/version.h for
962 __cpp_lib_{to_chars,constexpr_charconv}.
963 * include/std/bitset: Switch to bits/version.h for
964 __cpp_lib_constexpr_bitset.
965 * include/std/bit: Switch to bits/version.h for
966 __cpp_lib_{bit_cast,byteswap,bitops,int_pow2,endian}.
967 (bit_cast): Guard behind __cpp_lib_bit_cast.
968 (byteswap): Guard behind __cpp_lib_byteswap.
969 (rotl, rotr, countl_zero, countl_one, countr_zero, countr_one)
970 (popcount): Guard behind __cpp_lib_bitops.
971 (has_single_bit, bit_ceil, bit_floor, bit_width): Guard behind
973 (endian): Guard behind __cpp_lib_endian.
974 * include/std/barrier: Switch to bits/version.h for
975 __cpp_lib_barrier. Guard header behind that FTM.
976 * include/std/atomic: Switch to bits/version.h for
977 __cpp_lib_atomic_{is_always_lock_free,float,ref}
978 and __cpp_lib_lock_free_type_aliases.
979 (*::is_always_lock_free): Guard behind
980 __cpp_lib_atomic_is_always_lock_free.
981 (atomic<float>): Guard behind __cpp_lib_atomic_float.
982 (atomic_ref): Guard behind __cpp_lib_atomic_ref.
983 (atomic_signed_lock_free, atomic_unsigned_lock_free): Guard behind
984 __cpp_lib_atomic_lock_free_type_aliases.
985 * include/std/array: Switch to bits/version.h for
987 (to_array): Guard behind __cpp_lib_to_array.
988 * include/std/any: Switch to bits/version.h for __cpp_lib_any.
989 Guard header behind that FTM.
990 * include/std/algorithm: Switch to bits/version.h for
991 __cpp_lib_parallel_algorithm.
992 * include/c_global/cstddef: Switch to bits/version.h for
994 (byte): Guard behind __cpp_lib_byte.
995 * include/c_global/cmath: Switch to bits/version.h for
996 __cpp_lib_{hypot,interpolate}.
997 (hypot3): Guard behind __cpp_lib_hypot.
998 (lerp): Guard behind __cpp_lib_interpolate.
999 * include/c_compatibility/stdatomic.h: Switch to
1000 bits/stl_version.h for __cpp_lib_atomic. Guard header behind that
1002 * include/bits/utility.h: Switch to bits/version.h for
1003 __cpp_lib_{tuple_element_t,integer_sequence,ranges_zip}.
1004 (tuple_element_t): Guard behind __cpp_lib_tuple_element_t.
1005 (integer_sequence et al): Guard behind __cpp_lib_integer_sequence.
1006 * include/bits/uses_allocator_args.h: Switch to bits/version.h for
1007 __cpp_lib_make_obj_using_allocator. Guard header behind that FTM.
1008 * include/bits/unordered_map.h: Switch to bits/version.h for
1009 __cpp_lib_unordered_map_try_emplace.
1010 (try_emplace): Guard behind __cpp_lib_unordered_map_try_emplace.
1011 * include/bits/unique_ptr.h: Switch to bits/version.h for
1012 __cpp_lib_{constexpr_memory,make_unique}.
1013 (make_unique): Guard behind __cpp_lib_make_unique.
1014 * include/bits/stl_vector.h: Switch to bits/version.h for
1015 __cpp_lib_constexpr_vector.
1016 * include/bits/stl_uninitialized.h: Switch to bits/version.h for
1017 __cpp_lib_raw_memory_algorithms.
1018 (uninitialized_default_construct)
1019 (uninitialized_default_construct_n, uninitialized_move)
1020 (uninitialized_move_n, uninitialized_value_construct)
1021 (uninitialized_value_construct_n): Guard behind
1022 __cpp_lib_raw_memory_algorithms.
1023 * include/bits/stl_tree.h: Switch to bits/version.h for
1024 __cpp_lib_generic_associative_lookup.
1025 * include/bits/stl_stack.h: Switch to bits/version.h for
1026 __cpp_lib_adaptor_iterator_pair_constructor.
1027 (stack): Guard iterator-pair constructor behind
1028 __cpp_lib_adaptor_iterator_pair_constructor.
1029 * include/bits/stl_queue.h: Switch to bits/version.h for
1030 __cpp_lib_adaptor_iterator_pair_constructor.
1031 (queue): Guard iterator-pair constructor behind
1032 __cpp_lib_adaptor_iterator_pair_constructor.
1033 * include/bits/stl_pair.h: Switch to bits/version.h for
1034 __cpp_lib_{concepts,tuples_by_type}.
1035 (get): Guard type-getting overloads behind
1036 __cpp_lib_tuples_by_type.
1037 * include/bits/stl_map.h: Switch to bits/version.h for
1038 __cpp_lib_map_try_emplace.
1039 (map<>::try_emplace): Guard behind __cpp_lib_map_try_emplace.
1040 * include/bits/stl_list.h: Switch to bits/version.h for
1041 __cpp_lib_list_remove_return_type.
1042 (__remove_return_type, _GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG)
1043 [C++20]: guard behind __cpp_lib_list_remove_return_type instead.
1044 * include/bits/stl_iterator.h: Switch to bits/version.h for
1045 __cpp_lib_{constexpr_iterator,array_constexpr} and
1046 __cpp_lib_{make_reverse_iterator,move_iterator_concept}.
1047 (make_reverse_iterator): Guard behind
1048 __cpp_lib_make_reverse_iterator.
1049 (iterator_concept et al): Guard __cpp_lib_move_iterator_concept
1050 changes behind that FTM.
1051 * include/bits/stl_function.h: Switch to bits/version.h for
1052 __cpp_lib_transparent_operators.
1053 (equal_to, not_equal_to, greater, less, greater_equal)
1054 (less_equal, bit_and, bit_or, bit_xor, bit_not, logical_and)
1055 (logical_or, logical_not, plus, minus, multiplies, divides)
1056 (modulus, negate): Guard '= void' fwdecls behind
1057 __cpp_lib_transparent_operators.
1058 (plus<void>, minus<void>, multiplies<void>, divides<void>)
1059 (modulus<void>, negate<void>, logical_and<void>, logical_or<void>)
1060 (logical_not<void>, bit_and<void>, bit_or<void>, bit_xor<void>)
1061 (equal_to<void>, not_equal_to<void>, greater<void>, less<void>)
1062 (greater_equal<void>, less_equal<void>, bit_not<void>)
1063 (__has_is_transparent): Guard behind
1064 __cpp_lib_transparent_operators.
1065 * include/bits/stl_algobase.h: Switch to bits/version.h for
1066 __cpp_lib_robust_nonmodifying_seq_ops.
1067 (robust equal, mismatch): Guard behind
1068 __cpp_lib_nonmember_container_access.
1069 * include/bits/stl_algo.h: Swtich to bits/version.h for
1070 __cpp_lib_{clamp,sample}.
1071 (clamp): Guard behind __cpp_lib_clamp.
1072 (sample): Guard behind __cpp_lib_sample.
1073 * include/bits/specfun.h: Switch to bits/version.h for
1074 __cpp_lib_math_special_functions and __STDCPP_MATH_SPEC_FUNCS__.
1075 * include/bits/shared_ptr_base.h: Switch to bits/version.h for
1076 __cpp_lib_{smart_ptr_for_overwrite,shared_ptr_arrays}.
1077 (_Sp_overwrite_tag): Guard behind
1078 __cpp_lib_smart_ptr_for_overwrite.
1079 * include/bits/shared_ptr_atomic.h: Switch to bits/version.h for
1080 __cpp_lib_atomic_shared_ptr.
1081 * include/bits/shared_ptr.h: Switch to bits/version.h for
1082 __cpp_lib_{enable_shared_from_this,shared_ptr_weak_type}.
1083 (shared_ptr<T>::weak_type): Guard behind
1084 __cpp_lib_shared_ptr_weak_type.
1085 (enable_shared_from_this<T>::weak_from_this): Guard behind
1086 __cpp_lib_enable_shared_from_this.
1087 * include/bits/ranges_cmp.h: Switch to bits/version.h for
1089 * include/bits/ranges_algo.h: Switch to bits/version.h for
1090 __cpp_lib_{shift,ranges_{contains,find_last,fold,iota}}.
1091 * include/bits/range_access.h: Switch to bits/version.h for
1092 __cpp_lib_nonmember_container_access
1093 (size, empty, data): Guard behind
1094 __cpp_lib_nonmember_container_access.
1095 (ssize): Guard behind __cpp_lib_ssize.
1096 * include/bits/ptr_traits.h: Switch to bits/version.h. for
1097 __cpp_lib_{constexpr_memory,to_address}.
1098 (to_address): Guard behind __cpp_lib_to_address.
1099 * include/bits/node_handle.h: Switch to bits/version.h for
1100 __cpp_lib_node_extract. Guard header behind that FTM.
1101 * include/bits/move_only_function.h: Switch to bits/version.h for
1102 __cpp_lib_move_only_function. Guard header behind that FTM.
1103 * include/bits/move.h: Switch to bits/version.h for
1104 __cpp_lib_addressof_constexpr.
1105 * include/bits/ios_base.h: Switch to bits/version.h for
1106 __cpp_lib_ios_noreplace.
1107 (noreplace): Guard with __cpp_lib_ios_noreplace.
1108 * include/bits/hashtable.h: Switch to bits/version.h for
1109 __cpp_lib_generic_unordered_lookup.
1110 (_M_equal_range_tr, _M_count_tr, _M_find_tr): Guard behind
1111 __cpp_lib_generic_unordered_lookup.
1112 * include/bits/forward_list.h: Switch to bits/version.h for
1113 __cpp_lib_list_remove_return_type.
1114 (__remove_return_type): Guard behind
1115 __cpp_lib_list_remove_return_type.
1116 * include/bits/erase_if.h: Switch to bits/version.h for
1118 * include/bits/cow_string.h: Switch to bits/version.h for
1119 __cpp_lib_constexpr_string.
1120 * include/bits/chrono.h: Swtich to bits/version.h for
1121 __cpp_lib_chrono{,_udls}.
1122 (ceil): Guard behind __cpp_lib_chrono.
1123 (operator""ns et al): Guard behind __cpp_lib_chrono_udls.
1124 * include/bits/char_traits.h: Switch to bits/version.h for
1125 __cpp_lib_constexpr_char_traits.
1126 * include/bits/basic_string.h: Switch to bits/version.h for
1127 __cpp_lib_{constexpr_string,string_{resize_and_overwrite,udls}}.
1128 (resize_and_overwrite): Guard behind
1129 __cpp_lib_string_resize_and_overwrite.
1130 (operator""s): Guard behind __cpp_lib_string_udls.
1131 * include/bits/atomic_wait.h: Switch to bits/version.h for
1132 __cpp_lib_atomic_wait. Guard header behind that FTM.
1133 * include/bits/atomic_base.h: Switch to bits/version.h for
1134 __cpp_lib_atomic_value_initialization and
1135 __cpp_lib_atomic_flag_test.
1136 (atomic_flag::test): Guard behind __cpp_lib_atomic_flag_test,
1138 * include/bits/allocator.h: Switch to bits/version.h for
1139 __cpp_lib_incomplete_container_elements.
1140 * include/bits/alloc_traits.h: Switch to using bits/version.h for
1141 __cpp_lib_constexpr_dynamic_alloc and
1142 __cpp_lib_allocator_traits_is_always_equal.
1143 * include/bits/align.h: Switch to bits/version.h for defining
1144 __cpp_lib_assume_aligned.
1145 (assume_aligned): Guard with __cpp_lib_assume_aligned.
1146 * include/bits/algorithmfwd.h: Switch to bits/version.h for
1147 defining __cpp_lib_constexpr_algorithms.
1148 * include/std/stacktrace: Switch to bits/version.h for
1149 __cpp_lib_stacktrace. Guard header behind that FTM.
1150 * testsuite/23_containers/array/tuple_interface/get_neg.cc:
1151 Update line numbers.
1153 2023-08-16 Arsen Arsenović <arsen@aarsen.me>
1155 * include/Makefile.am (bits_freestanding): Add version.h.
1156 (allcreated): Add version.h.
1157 (${bits_srcdir}/version.h): New rule. Regenerates
1158 version.h out of version.{def,tpl}.
1159 * include/Makefile.in: Regenerate.
1160 * include/bits/version.def: New file. Declares a list of
1161 all feature test macros, their values and their preconditions.
1162 * include/bits/version.tpl: New file. Turns version.def
1163 into a sequence of #if blocks.
1164 * include/bits/version.h: New file. Generated from
1166 * include/std/version: Replace with a __glibcxx_want_all define
1167 and bits/version.h include.
1169 2023-08-14 Paul Dreik <gccpatches@pauldreik.se>
1172 * include/std/format (__formatter_fp::format): Use frexp instead
1175 2023-08-12 Ken Matsui <kmatsui@gcc.gnu.org>
1177 * include/std/type_traits (true_type): Use __bool_constant
1179 (false_type): Likewise.
1180 (bool_constant): Likewise.
1182 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
1185 * include/std/format (_Seq_sink::get): Only call _M_overflow if
1186 its precondition is met.
1187 (_Iter_sink::_M_finish): Likewise.
1188 (_Iter_sink<C, ContigIter>::_M_overflow): Only switch to the
1189 internal buffer after running out of space.
1190 (_Iter_sink<C, ContigIter>::_M_finish): Do not use _M_overflow.
1191 (_Counting_sink::count): Likewise.
1192 * testsuite/std/format/functions/format_to_n.cc: Check cases
1193 where the output fits into the buffer.
1195 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
1198 * include/bits/chrono_io.h (operator|=, operator|): Add noexcept
1199 to _ChronoParts operators.
1200 (from_stream, parse): Define new functions.
1201 (__detail::_Parse, __detail::_Parser): New class templates.
1202 * include/std/chrono (__cpp_lib_chrono): Define to 201907L for
1204 * include/std/version (__cpp_lib_chrono): Likewise.
1205 * testsuite/20_util/duration/arithmetic/constexpr_c++17.cc:
1206 Adjust expected value of feature test macro.
1207 * testsuite/20_util/duration/io.cc: Test parsing.
1208 * testsuite/std/time/clock/file/io.cc: Likewise.
1209 * testsuite/std/time/clock/gps/io.cc: Likewise.
1210 * testsuite/std/time/clock/system/io.cc: Likewise.
1211 * testsuite/std/time/clock/tai/io.cc: Likewise.
1212 * testsuite/std/time/clock/utc/io.cc: Likewise.
1213 * testsuite/std/time/day/io.cc: Likewise.
1214 * testsuite/std/time/month/io.cc: Likewise.
1215 * testsuite/std/time/month_day/io.cc: Likewise.
1216 * testsuite/std/time/weekday/io.cc: Likewise.
1217 * testsuite/std/time/year/io.cc: Likewise.
1218 * testsuite/std/time/year_month/io.cc: Likewise.
1219 * testsuite/std/time/year_month_day/io.cc: Likewise.
1220 * testsuite/std/time/syn_c++20.cc: Check value of macro and for
1221 the existence of parse and from_stream in namespace chrono.
1222 * testsuite/std/time/clock/local/io.cc: New test.
1223 * testsuite/std/time/parse.cc: New test.
1225 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
1228 * include/std/format (__formatter_fp::format): Do not call log10
1231 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
1233 * python/libstdcxx/v6/printers.py (StdChronoCalendarPrinter):
1234 Check for out-of-range month an weekday indices.
1235 * testsuite/libstdc++-prettyprinters/chrono.cc: Check invalid
1236 month and weekday values.
1238 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
1240 * include/bits/stl_iterator.h (__clamped_iter_cat_t): Remove.
1242 2023-08-10 Jonathan Wakely <jwakely@redhat.com>
1245 * include/std/format (_Spec::_S_parse_width_or_precision): Check
1246 for empty range before dereferencing iterator.
1247 * testsuite/std/format/string.cc: Check for expected exception.
1248 Fix expected exception message in test_pr110862() and actually
1251 2023-08-10 Jonathan Wakely <jwakely@redhat.com>
1254 * include/std/format (__formatter_fp::format): Check return
1255 value of _M_localize.
1256 * testsuite/std/format/functions/format.cc: Check classic
1259 2023-08-10 Jonathan Wakely <jwakely@redhat.com>
1262 * include/bits/stl_iterator.h (__detail::__move_iter_cat): Use
1264 (iterator_traits<common_iterator<I, S>>::_S_iter_cat): Likewise.
1265 (__detail::__basic_const_iterator_iter_cat): Likewise.
1266 * include/bits/stl_iterator_base_types.h (__iterator_category_t):
1267 Rename to __iter_category_t.
1269 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
1271 * include/bits/chrono.h (duration_cast): Do not use braces
1272 around statements for C++11 constexpr rules.
1273 * include/bits/stl_algobase.h (__lg): Rewrite as a single
1274 statement for C++11 constexpr rules.
1275 * include/experimental/bits/fs_path.h (path::string): Use
1276 _GLIBCXX17_CONSTEXPR not _GLIBCXX_CONSTEXPR for 'if constexpr'.
1277 * include/std/charconv (__to_chars_8): Initialize variable for
1278 C++17 constexpr rules.
1280 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
1282 * include/bits/list.tcc (list::sort(Cmp)): Fix -Wsign-compare
1283 warning for loop condition.
1285 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
1287 * include/std/complex: Add diagnostic pragma for clang.
1289 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
1291 * include/bits/shared_ptr_atomic.h (atomic): Change class-head
1293 * include/bits/stl_tree.h (_Rb_tree_merge_helper): Change
1294 class-head to struct in friend declaration.
1295 * include/std/chrono (tzdb_list::_Node): Likewise.
1296 * include/std/future (_Task_state_base, _Task_state): Likewise.
1297 * include/std/scoped_allocator (__inner_type_impl): Likewise.
1298 * include/std/valarray (_BinClos, _SClos, _GClos, _IClos)
1299 (_ValFunClos, _RefFunClos): Change class-head to struct.
1301 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
1303 * include/bits/alloc_traits.h (allocate): Add [[maybe_unused]]
1305 * include/bits/regex_executor.tcc: Remove name of unused
1307 * include/bits/shared_ptr_atomic.h (atomic_is_lock_free):
1309 * include/bits/stl_uninitialized.h: Likewise.
1310 * include/bits/streambuf_iterator.h (operator==): Likewise.
1311 * include/bits/uses_allocator.h: Likewise.
1312 * include/c_global/cmath (isfinite, isinf, isnan): Likewise.
1313 * include/std/chrono (zoned_time): Likewise.
1314 * include/std/future (__future_base::_S_allocate_result):
1316 (packaged_task): Likewise.
1317 * include/std/optional (_Optional_payload_base): Likewise.
1318 * include/std/scoped_allocator (__inner_type_impl): Likewise.
1319 * include/std/tuple (_Tuple_impl): Likewise.
1321 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
1323 * include/bits/new_allocator.h (__new_allocator): Define copy
1324 assignment operator as defaulted.
1325 * include/std/complex (complex<float>, complex<double>)
1326 (complex<long double>): Define copy constructor as defaulted.
1328 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
1330 * include/std/format: Fix some warnings.
1331 (__format::__write(Ctx&, basic_string_view<CharT>)): Remove
1332 unused function template.
1334 2023-08-07 Jonathan Wakely <jwakely@redhat.com>
1337 * include/std/format (__formatter_fp::format): Do not use
1338 __builtin_abs and __builtin_log10 with arbitrary floating-point
1341 2023-08-07 Jonathan Wakely <jwakely@redhat.com>
1344 * include/std/format (__format::_Iter_sink<CharT, OutIter>):
1345 Constrain partial specialization for contiguous iterators to
1346 require the value type to be CharT.
1347 * testsuite/std/format/functions/format_to.cc: New test.
1349 2023-08-07 Jonathan Wakely <jwakely@redhat.com>
1352 * include/std/format (_Scanner::_M_on_replacement_field):
1353 Check for expected '}' before incrementing iterator.
1354 * testsuite/std/format/string.cc: Check "{0:{0}" format string.
1356 2023-08-07 Nick Alcock <nick.alcock@oracle.com>
1358 * configure: Regenerate.
1360 2023-08-07 Alan Modra <amodra@gmail.com>
1362 * configure: Regenerate.
1364 2023-08-07 Alexander von Gluck IV <kallisti5@unixzen.com>
1366 * configure: Regenerate.
1368 2023-08-07 Nick Alcock <nick.alcock@oracle.com>
1370 * configure: Regenerate.
1372 2023-08-07 Nick Alcock <nick.alcock@oracle.com>
1374 * configure: Regenerate.
1376 2023-08-07 H.J. Lu <hjl.tools@gmail.com>
1378 * configure: Regenerate.
1380 2023-08-07 H.J. Lu <hjl.tools@gmail.com>
1382 * configure: Regenerate.
1384 2023-08-06 François Dumont <fdumont@gcc.gnu.org>
1386 * config/abi/pre/gnu-versioned-namespace.ver: Add __cxa_call_terminate
1389 2023-07-30 François Dumont <fdumont@gcc.gnu.org>
1391 * src/c++11/compatibility-ldbl-facets-aliases.h: Replace #define with
1393 * src/c++11/locale-inst-monetary.h: Likewise.
1394 * src/c++11/locale-inst-numeric.h: Likewise.
1396 2023-07-27 Jonathan Wakely <jwakely@redhat.com>
1399 * include/std/format (__formatter_fp::format): Ensure __expc is
1400 always set for all presentation types. Set __z correctly for
1402 * testsuite/std/format/functions/format.cc: Check problem cases.
1404 2023-07-26 Jonathan Wakely <jwakely@redhat.com>
1407 * testsuite/23_containers/vector/bool/110807.cc: Require c++11.
1409 2023-07-26 Jonathan Wakely <jwakely@redhat.com>
1412 * include/bits/stl_bvector.h (vector(const vector&)): Access
1413 iterators before allocating.
1414 * include/bits/vector.tcc (vector<bool>::_M_insert_range):
1416 * testsuite/23_containers/vector/bool/110807.cc: New test.
1418 2023-07-26 Jonathan Wakely <jwakely@redhat.com>
1420 * include/bits/algorithmfwd.h (random_shuffle): Add deprecated
1422 * include/bits/stl_algo.h (random_shuffle): Correct comments.
1423 * testsuite/25_algorithms/random_shuffle/1.cc: Disable
1424 deprecated warnings.
1425 * testsuite/25_algorithms/random_shuffle/59603.cc: Likewise.
1426 * testsuite/25_algorithms/random_shuffle/moveable.cc: Likewise.
1427 * testsuite/25_algorithms/random_shuffle/deprecated.cc: New
1430 2023-07-26 Nathaniel Shead <nathanieloshead@gmail.com>
1432 * testsuite/25_algorithms/equal/constexpr_neg.cc: Update diagnostic
1434 * testsuite/26_numerics/gcd/105844.cc: Likewise.
1435 * testsuite/26_numerics/lcm/105844.cc: Likewise.
1437 2023-07-24 Deev Patel <pateldeev@nevada.unr.edu>
1439 * include/std/format (_Formatting_scanner::_M_on_chars): Add
1440 missing constexpr specifier.
1441 (_Formatting_scanner::_M_format_arg): Likewise.
1443 2023-07-24 Jonathan Wakely <jwakely@redhat.com>
1446 * include/bits/basic_string.h [!HAVE_STOF] (stof): Do not
1447 throw an exception for zero result.
1448 [HAVE_BROKEN_STRTOLD] (stold): Do not use strtold.
1450 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1453 * src/c++17/floating_from_chars.cc (from_chars): Only define
1454 _Float128 overload when using __strfromf128.
1456 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1459 * include/bits/chrono.h (duration): Improve static assert
1461 (__is_ratio): Move to ...
1462 * include/std/ratio (__is_ratio): ... here.
1463 (__is_ratio_v): New variable template and partial
1465 (__are_both_ratios): New function template.
1466 (__ratio_multiply, ratio_equal, ratio_less, __ratio_add):
1467 Add static assertion.
1468 * testsuite/20_util/ratio/requirements/type_constraints.cc:
1470 * testsuite/20_util/duration/requirements/typedefs_neg1.cc:
1471 Adjust expected error.
1472 * testsuite/20_util/duration/requirements/typedefs_neg2.cc:
1475 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1477 * include/bits/chrono_io.h (__formatter_chrono::_M_format):
1478 Do not set __is_neg for hh_mm_ss before calling
1479 _M_format_to_ostream. Change __print_sign lambda to only check
1480 __is_neg for durations and hh_mm_ss types.
1481 (__formatter_chrono::_M_format_to_ostream): Only check __is_neg
1483 * testsuite/std/time/hh_mm_ss/io.cc: Check negative values.
1485 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1488 * include/bits/chrono_io.h (__formatter_chrono::_S_floor_seconds):
1489 Handle duration and hh_mm_ss.
1490 * testsuite/20_util/duration/io.cc: Check locale-specific
1492 * testsuite/std/time/hh_mm_ss/io.cc: Likewise.
1494 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1496 * include/std/format (__write_padded): Initialize first element
1497 of array to avoid a -Wmaybe-uninitialized warning.
1499 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1502 * include/bits/chrono_io.h (__formatter_chrono::_M_parse): Fix
1503 allowed modifiers for %z and %Z. Fix -Wparentheses and
1504 -Wnarrowing warnings.
1505 (__formatter_chrono::_M_format): Call new functions for %d, %e,
1507 (__formatter_chrono::_M_c): Use _S_floor_seconds to remove
1508 subsecond precision.
1509 (__formatter_chrono::_M_C_y_Y): Use _M_locale_fmt to handle
1511 (__formatter_chrono::_M_e): Replace with _M_d_e and use
1513 (__formatter_chrono::_M_I): Replace with _M_H_I and use
1515 (__formatter_chrono::_M_m): New function.
1516 (__formatter_chrono::_M_M): New function.
1517 (__formatter_chrono::_M_r): Use _M_locale_fmt.
1518 (__formatter_chrono::_M_S): Likewise.
1519 (__formatter_chrono::_M_u_w): Likewise.
1520 (__formatter_chrono::_M_U_V_W): Likewise.
1521 (__formatter_chrono::_M_X): Use _S_floor_seconds.
1522 (__formatter_chrono::_M_Z): Fix untested branch for wchar_t.
1523 (__formatter_chrono::_S_altnum): Remove function.
1524 (__formatter_chrono::_S_dd_zero_fill): Remove function.
1525 (__formatter_chrono::_S_floor_seconds): New function.
1526 (__formatter_chrono::_M_locale_fmt): New function.
1527 * testsuite/std/time/clock/system/io.cc: Adjust expected output
1528 for locale-specific formats and check modified formats.
1529 * testsuite/std/time/clock/utc/io.cc: Likewise.
1530 * testsuite/std/time/zoned_time/io.cc: New test.
1532 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1535 * include/bits/chrono_io.h (__formatter_chrono::_M_parse): Only
1536 allow a single modifier.
1537 * testsuite/std/time/format.cc: Check multiple modifiers.
1539 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1542 * testsuite/21_strings/basic_string/numeric_conversions/char/stod.cc:
1543 Remove dg-require-string-conversions.
1544 * testsuite/21_strings/basic_string/numeric_conversions/char/stof.cc:
1546 * testsuite/21_strings/basic_string/numeric_conversions/char/stoi.cc:
1548 * testsuite/21_strings/basic_string/numeric_conversions/char/stol.cc:
1550 * testsuite/21_strings/basic_string/numeric_conversions/char/stoul.cc:
1553 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1556 * include/bits/basic_string.h [!_GLIBCXX_HAVE_STRTOF] (stof):
1557 Define in terms of std::stod.
1559 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1562 * include/bits/basic_string.h [_GLIBCXX_HAVE_STRTOF] (stof):
1564 [_GLIBCXX_HAVE_STRTOLD] (stold): Define.
1565 * include/c_global/cstdlib [_GLIBCXX_HAVE_STRTOF] (strtof):
1566 Declare in namespace std.
1567 [_GLIBCXX_HAVE_STRTOLD] (strtold): Likewise.
1569 2023-07-13 Jonathan Wakely <jwakely@redhat.com>
1572 * include/bits/basic_string.h (stoi, stol, stoul, stod): Do not
1573 depend on _GLIBCXX_USE_C99_STDLIB.
1574 [__LONG_WIDTH__ == __LONG_LONG_WIDTH__] (stoll, stoull): Define
1575 in terms of stol and stoul respectively.
1576 [__DBL_MANT_DIG__ == __LDBL_MANT_DIG__] (stold): Define in terms
1579 2023-07-12 Jonathan Wakely <jwakely@redhat.com>
1582 * testsuite/27_io/filesystem/path/construct/95048.cc: Check
1583 conversions to wide strings.
1584 * testsuite/experimental/filesystem/path/construct/95048.cc:
1587 2023-07-12 Jonathan Wakely <jwakely@redhat.com>
1589 * config/io/basic_file_stdio.cc: Define LFS macros.
1590 (__basic_file<char>::open): Use fopen unconditionally.
1591 (get_file_offset): Use lseek unconditionally.
1592 (__basic_file<char>::seekoff): Likewise.
1593 (__basic_file<char>::showmanyc): Use fstat unconditionally.
1595 2023-07-12 Jonathan Wakely <jwakely@redhat.com>
1598 * acinclude.m4 (GLIBCXX_CHECK_LFS): Check for fseeko and ftello
1599 and define _GLIBCXX_USE_FSEEKO_FTELLO.
1600 * config.h.in: Regenerate.
1601 * configure: Regenerate.
1602 * config/io/basic_file_stdio.cc (xwrite) [_GLIBCXX_USE_STDIO_PURE]:
1603 Check for fwrite error correctly.
1604 (__basic_file<char>::xsgetn) [_GLIBCXX_USE_STDIO_PURE]: Check for
1605 fread error correctly.
1606 (get_file_offset): New function.
1607 (__basic_file<char>::seekoff) [_GLIBCXX_USE_STDIO_PURE]: Use
1608 fseeko if available. Use get_file_offset instead of return value
1610 (__basic_file<char>::showmanyc): Use get_file_offset.
1612 2023-07-12 Ken Matsui <kmatsui@gcc.gnu.org>
1614 * include/std/type_traits (__make_unsigned_selector): Use
1615 __is_enum built-in trait.
1616 (__make_signed_selector): Likewise.
1617 (__underlying_type_impl): Likewise.
1619 2023-07-06 Tianqiang Shuai <1101282468@qq.com>
1621 * config/io/basic_file_stdio.cc (xwrite) [USE_STDIO_PURE]: Fix
1624 2023-07-06 Jonathan Wakely <jwakely@redhat.com>
1627 * doc/xml/manual/configure.xml: Describe stdio_pure argument to
1629 * doc/html/manual/configure.html: Regenerate.
1631 2023-07-05 Thomas Rodgers <trodgers@redhat.com>
1633 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: Delete
1635 * testsuite/25_algorithms/pstl/alg_sorting/set_difference.cc:
1637 * testsuite/25_algorithms/pstl/alg_sorting/set_intersection.cc:
1639 * testsuite/25_algorithms/pstl/alg_sorting/set_symmetric_difference.cc:
1641 * testsuite/25_algorithms/pstl/alg_sorting/set_union.cc:
1643 * testsuite/25_algorithms/pstl/alg_sorting/set_util.h:
1646 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
1648 * testsuite/23_containers/forward_list/debug/iterator1_neg.cc:
1649 Skip as UNSUPPORTED for C++98 mode.
1650 * testsuite/23_containers/forward_list/debug/iterator3_neg.cc:
1653 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
1656 * include/bits/stl_uninitialized.h (__uninitialized_default_n):
1657 Do not use std::fill_n during constant evaluation.
1659 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
1661 * include/bits/vector.tcc (_M_default_append): Replace try-block
1664 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
1666 * include/bits/iterator_concepts.h (projected): Add typename.
1668 2023-07-03 Jonathan Wakely <jwakely@redhat.com>
1670 * testsuite/27_io/headers/iosfwd/synopsis.cc: Make wsyncbuf and
1671 wosyncstream depend on _GLIBCXX_USE_CXX11_ABI.
1673 2023-07-03 Jonathan Wakely <jwakely@redhat.com>
1675 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
1676 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
1677 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
1678 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
1680 2023-07-03 Jonathan Wakely <jwakely@redhat.com>
1682 * include/bits/alloc_traits.h (_Destroy): Qualify call.
1683 * include/bits/stl_construct.h (_Destroy, _Destroy_n): Likewise.
1684 * testsuite/23_containers/vector/cons/destroy-adl.cc: New test.
1686 2023-07-03 Iain Sandoe <iain@sandoe.co.uk>
1688 * testsuite/lib/libstdc++.exp: Remove additional flag handled
1691 2023-06-30 Jonathan Wakely <jwakely@redhat.com>
1694 * acinclude.m4 (GLIBCXX_CHECK_INIT_PRIORITY): New.
1695 * config.h.in: Regenerate.
1696 * configure: Regenerate.
1697 * configure.ac: Use GLIBCXX_CHECK_INIT_PRIORITY.
1698 * include/std/iostream: Use new autoconf macro as well as
1700 * src/c++98/ios_base_init.h: Use new autoconf macro instead of
1703 2023-06-30 Jonathan Wakely <jwakely@redhat.com>
1705 * src/c++11/random.cc (random_device::_M_init): Add maybe_unused
1708 2023-06-30 Jonathan Wakely <jwakely@redhat.com>
1711 * src/c++11/random.cc (random_device::_M_init): Throw
1712 std::system_error when the requested device is a valid token but
1713 not available at runtime.
1715 2023-06-30 Hans-Peter Nilsson <hp@axis.com>
1718 * include/pstl/unseq_backend_simd.h (__simd_or): Re-apply using
1719 __INT32_TYPE__ instead of int32_t.
1721 2023-06-29 Jonathan Wakely <jwakely@redhat.com>
1723 * src/c++20/tzdb.cc (USE_ATOMIC_SHARED_PTR): Define consistently
1724 with USE_ATOMIC_LIST_HEAD.
1725 (list_mutex): Replace global object with function. Use local
1726 static object when std::mutex constructor isn't constexpr.
1728 2023-06-29 Jonathan Wakely <jwakely@redhat.com>
1731 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check that
1732 copy_file_range can be called with loff_t* arguments.
1733 * configure: Regenerate.
1734 * src/filesystem/ops-common.h (copy_file_copy_file_range):
1735 Use loff_t for offsets.
1737 2023-06-29 Tom Tromey <tromey@adacore.com>
1739 * testsuite/lib/gdb-test.exp (gdb-test): Relax type-printer
1742 2023-06-28 Jan Hubicka <jh@suse.cz>
1744 PR middle-end/109849
1745 * include/bits/c++config (std::__terminate): Mark cold.
1746 * include/bits/functexcept.h: Mark everything as cold.
1747 * libsupc++/exception: Mark terminate and unexpected as cold.
1749 2023-06-26 Thomas Rodgers <trodgers@redhat.com>
1751 * include/pstl/algorithm_fwd.h: Synchronize with upstream.
1752 * include/pstl/algorithm_impl.h: Likewise.
1753 * include/pstl/execution_defs.h: Likewise.
1754 * include/pstl/execution_impl.h: Likewise.
1755 * include/pstl/glue_algorithm_impl.h: Likewise.
1756 * include/pstl/glue_execution_defs.h: Likewise.
1757 * include/pstl/glue_memory_impl.h: Likewise.
1758 * include/pstl/glue_numeric_impl.h: Likewise.
1759 * include/pstl/memory_impl.h: Likewise.
1760 * include/pstl/numeric_fwd.h: Likewise.
1761 * include/pstl/numeric_impl.h: Likewise.
1762 * include/pstl/parallel_backend.h: Likewise.
1763 * include/pstl/parallel_backend_serial.h: Likewise.
1764 * include/pstl/parallel_backend_tbb.h: Likewise.
1765 * include/pstl/parallel_impl.h: Likewise.
1766 * include/pstl/pstl_config.h: Likewise.
1767 * include/pstl/unseq_backend_simd.h: Likewise.
1768 * include/pstl/utils.h: Likewise.
1769 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
1771 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
1773 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc:
1775 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc:
1777 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
1778 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
1780 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
1782 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc:
1784 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc:
1786 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
1788 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
1790 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
1792 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
1794 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc:
1796 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc:
1798 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
1800 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
1802 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
1804 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc:
1806 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc:
1808 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc:
1810 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
1812 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
1814 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc:
1816 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc:
1818 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc:
1820 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc:
1822 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc:
1824 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc:
1826 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc:
1828 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
1830 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc:
1832 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc:
1834 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc:
1836 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc:
1838 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
1840 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc:
1842 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
1844 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc:
1846 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc:
1848 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc:
1850 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc:
1852 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
1854 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc:
1856 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc:
1858 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
1860 * testsuite/25_algorithms/pstl/alg_sorting/set.cc:
1862 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc:
1864 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
1866 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc:
1868 * testsuite/26_numerics/pstl/numeric_ops/scan.cc:
1870 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc:
1872 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc:
1874 * testsuite/util/pstl/test_utils.h:
1877 2023-06-26 Jonathan Wakely <jwakely@redhat.com>
1880 * include/std/format (__format::__parse_integer): Fix buffer
1881 overflow for wide chars.
1882 (formatter<const void*, C>::format): Cast to uintptr_t instead
1884 * testsuite/std/format/string.cc: Test too-large widths.
1886 2023-06-26 Jonathan Wakely <jwakely@redhat.com>
1888 * include/bits/iterator_concepts.h (projected): Replace class
1889 template with alias template denoting an ADL-proofed helper.
1890 (incremental_traits<projected<Iter, Proj>>): Remove.
1891 * testsuite/24_iterators/indirect_callable/projected-adl.cc:
1894 2023-06-26 Jonathan Wakely <jwakely@redhat.com>
1896 * include/debug/helper_functions.h (__get_distance)
1897 (__check_singular, __valid_range_aux, __valid_range): Qualify
1898 calls to disable ADL.
1899 (__check_singular_aux(const _Safe_iterator_base*)): Declare
1900 overload that was previously found via ADL.
1902 2023-06-23 Jonathan Wakely <jwakely@redhat.com>
1904 * include/bits/vector.tcc (_M_realloc_insert): Replace try-block
1907 2023-06-20 Jonathan Wakely <jwakely@redhat.com>
1909 * include/std/array (to_array(T(&)[N])): Remove redundant
1911 (to_array(T(&&)[N])): Remove redundant std::move.
1913 2023-06-16 Alexandre Oliva <oliva@adacore.com>
1915 * testsuite/20_util/from_chars/4.cc: Skip long double on
1918 2023-06-16 Joel Brobecker <brobecker@adacore.com>
1920 * configure.ac ["x${with_newlib}" = "xyes"]: Define
1921 HAVE_HYPOTF. Add compile-checks for various long double
1922 math functions as well.
1923 * configure: Regenerate.
1925 2023-06-14 Jonny Grant <jg@jguk.org>
1927 * doc/xml/manual/extensions.xml: Remove demangle exception
1928 description and include.
1929 * doc/html/manual/ext_demangling.html: Regenerate.
1931 2023-06-10 Hans-Peter Nilsson <hp@axis.com>
1933 * testsuite/27_io/basic_istream/ignore/wchar_t/94749.cc (main)
1934 [! SIMULATOR_TEST]: Also exclude running test05.
1935 * testsuite/27_io/basic_istream/ignore/char/94749.cc: Ditto.
1937 2023-06-09 Ken Matsui <kmatsui@cs.washington.edu>
1939 * include/std/type_traits: Use using instead of typedef
1941 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1944 * src/c++17/floating_from_chars.cc (from_chars) <_Float128>:
1945 Only define if _Float128 and long double have different
1948 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1951 * include/experimental/internet [IPPROTO_TCP || IPPROTO_UDP]
1952 (basic_endpoint, basic_resolver_entry, resolver_base)
1953 (basic_resolver_results, basic_resolver): Only define if the tcp
1954 or udp protocols will be defined.
1956 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1958 * acinclude.m4 (libtool_VERSION): Update to 6.0.33.
1959 * configure: Regenerate.
1960 * doc/xml/manual/abi.xml: Add libstdc++.so.6.0.33.
1961 * doc/html/manual/abi.html: Regenerate.
1963 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1966 * include/std/format (formatter<const void*, charT>::parse):
1967 Only alow 0 and P for C++26 and non-strict modes.
1968 (formatter<const void*, charT>::format): Use toupper for P
1969 type, and insert zero-fill characters for 0 option.
1970 * testsuite/std/format/functions/format.cc: Check pointer
1971 formatting. Only check P2510R3 extensions conditionally.
1972 * testsuite/std/format/parse_ctx.cc: Only check P2510R3
1973 extensions conditionally.
1975 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1978 * include/std/array (to_array): Initialize arrays of trivial
1979 types using memcpy. For non-trivial types, use lambda
1980 expressions instead of a separate helper function.
1981 (__to_array): Remove.
1982 * testsuite/23_containers/array/creation/110167.cc: New test.
1984 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1986 * testsuite/23_containers/deque/modifiers/emplace/52799.cc:
1988 * testsuite/23_containers/deque/modifiers/emplace/const_iterator.cc:
1990 * testsuite/23_containers/list/modifiers/emplace/52799.cc:
1992 * testsuite/23_containers/list/modifiers/emplace/const_iterator.cc:
1994 * testsuite/23_containers/vector/modifiers/emplace/52799.cc:
1996 * testsuite/23_containers/vector/modifiers/emplace/const_iterator.cc:
1998 * testsuite/23_containers/deque/modifiers/emplace/1.cc: New
2000 * testsuite/23_containers/list/modifiers/emplace/1.cc: New
2002 * testsuite/23_containers/vector/modifiers/emplace/1.cc: New
2005 2023-06-07 Jakub Jelinek <jakub@redhat.com>
2008 * testsuite/20_util/to_chars/double.cc: Include <cfloat>.
2009 (double_to_chars_test_cases,
2010 double_scientific_precision_to_chars_test_cases_2,
2011 double_fixed_precision_to_chars_test_cases_2): #if out 1e126, 4.91e-6
2012 and 5.547e-6 tests if FLT_EVAL_METHOD is negative or larger than 1.
2013 Add unconditional tests with corresponding double constants
2014 0x1.7a2ecc414a03fp+418, 0x1.4981285e98e79p-18 and
2015 0x1.7440bbff418b9p-18.
2017 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
2019 * testsuite/util/testsuite_abi.cc (check_version): Re-add
2022 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
2024 * testsuite/18_support/nested_exception/rethrow_if_nested-term.cc:
2025 Require effective target exceptions_enabled instead of using
2027 * testsuite/23_containers/vector/capacity/constexpr.cc: Expect
2028 shrink_to_fit() to be a no-op without exceptions enabled.
2029 * testsuite/23_containers/vector/capacity/shrink_to_fit.cc:
2031 * testsuite/ext/bitmap_allocator/check_allocate_max_size.cc:
2032 Require effective target exceptions_enabled.
2033 * testsuite/ext/malloc_allocator/check_allocate_max_size.cc:
2035 * testsuite/ext/mt_allocator/check_allocate_max_size.cc:
2037 * testsuite/ext/new_allocator/check_allocate_max_size.cc:
2039 * testsuite/ext/pool_allocator/check_allocate_max_size.cc:
2041 * testsuite/ext/throw_allocator/check_allocate_max_size.cc:
2044 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
2046 * testsuite/20_util/duration/cons/2.cc: Use values that aren't
2047 affected by rounding.
2048 * testsuite/20_util/from_chars/5.cc: Cast arithmetic result to
2049 double before comparing for equality.
2050 * testsuite/20_util/from_chars/6.cc: Likewise.
2051 * testsuite/20_util/variant/86874.cc: Use values that aren't
2052 affected by rounding.
2053 * testsuite/25_algorithms/lower_bound/partitioned.cc: Compare to
2054 original value instead of to floating-point-literal.
2055 * testsuite/26_numerics/random/discrete_distribution/cons/range.cc:
2056 Cast arithmetic result to double before comparing for equality.
2057 * testsuite/26_numerics/random/piecewise_constant_distribution/cons/range.cc:
2059 * testsuite/26_numerics/random/piecewise_linear_distribution/cons/range.cc:
2061 * testsuite/26_numerics/valarray/transcend.cc (eq): Check that
2062 the absolute difference is less than 0.01 instead of comparing
2063 to two decimal places.
2064 * testsuite/27_io/basic_istream/extractors_arithmetic/char/01.cc:
2065 Cast arithmetic result to double before comparing for equality.
2066 * testsuite/27_io/basic_istream/extractors_arithmetic/char/09.cc:
2068 * testsuite/27_io/basic_istream/extractors_arithmetic/char/10.cc:
2070 * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/01.cc:
2072 * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/09.cc:
2074 * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/10.cc:
2076 * testsuite/ext/random/hoyt_distribution/cons/parms.cc: Likewise.
2078 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
2081 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
2083 * configure.ac: Use AS_IF.
2084 * configure: Regenerate.
2086 2023-06-07 Thomas Schwinge <thomas@codesourcery.com>
2088 * testsuite/lib/prune.exp (libstdc++-dg-prune): Support
2089 'UNSUPPORTED: [...]: exception handling disabled'.
2091 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
2093 * testsuite/util/testsuite_abi.cc (check_version): Add
2094 CXXABI_1.3.15 symver and make it the latestp. Remove
2095 GLIBCXX_IEEE128_3.4.31 and GLIBCXX_LDBL_3.4.31 from latestp.
2097 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
2098 Jakub Jelinek <jakub@redhat.com>
2101 * include/std/limits: (numeric_limits<__float128>): Define
2102 for __STRICT_ANSI__ as well.
2103 * testsuite/18_support/numeric_limits/128bit.cc: Remove
2104 check for __STRICT_ANSI__.
2106 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
2108 * configure.ac: Use AS_IF.
2109 * configure: Regenerate.
2111 2023-06-06 Matthias Kretz <m.kretz@gsi.de>
2114 * include/experimental/bits/simd_builtin.h (_S_store): Rewrite
2115 to avoid casts to other vector types. Implement store as
2116 succession of power-of-2 sized memcpy to avoid PR90424.
2118 2023-06-06 Matthias Kretz <m.kretz@gsi.de>
2121 * include/experimental/bits/simd_builtin.h (_S_masked_store):
2122 Call into deduced ABI's SimdImpl after conversion.
2123 * include/experimental/bits/simd_x86.h (_S_masked_store_nocvt):
2124 Don't use _mm_maskmoveu_si128. Use the generic fall-back
2125 implementation. Also fix masked stores without SSE2, which
2126 were not doing anything before.
2128 2023-06-06 Matthias Kretz <m.kretz@gsi.de>
2130 * include/experimental/bits/simd.h (__bit_cast): Use
2131 __gnu__::__vector_size__ instead of gnu::vector_size.
2133 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
2136 * include/std/array (__array_traits<T, 0>::operator T*()): Make
2137 conversion operator explicit.
2138 (array::front): Use size_type as subscript operand.
2139 (array::data): Use static_cast to make conversion explicit.
2140 * testsuite/23_containers/array/element_access/110139.cc: New
2143 2023-06-06 Joseph Faulls <Joseph.Faulls@imgtec.com>
2145 * include/bits/locale_classes.tcc: Remove check for
2146 codecvt<char8_t, char, mbstate_t> facet.
2148 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
2150 * src/filesystem/ops-common.h (do_copy_file) [O_CLOEXEC]: Set
2151 close-on-exec flag on file descriptors.
2153 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
2156 * src/filesystem/ops-common.h (do_copy_file): Check for empty
2157 files by trying to read a character.
2158 * testsuite/27_io/filesystem/operations/copy_file_108178.cc:
2161 2023-06-06 Jannik Glückert <jannik.glueckert@gmail.com>
2163 * acinclude.m4 (_GLIBCXX_USE_COPY_FILE_RANGE): Define.
2164 * config.h.in: Regenerate.
2165 * configure: Regenerate.
2166 * src/filesystem/ops-common.h (copy_file_copy_file_range):
2167 Define new function.
2168 (do_copy_file): Use it.
2170 2023-06-06 Jannik Glückert <jannik.glueckert@gmail.com>
2172 * acinclude.m4 (_GLIBCXX_HAVE_LSEEK): Define.
2173 * config.h.in: Regenerate.
2174 * configure: Regenerate.
2175 * src/filesystem/ops-common.h (copy_file_sendfile): Define new
2176 function for sendfile logic. Loop to support large files. Skip
2178 (do_copy_file): Use it.
2180 2023-06-04 Jason Merrill <jason@redhat.com>
2183 * libsupc++/eh_call.cc (__cxa_call_terminate): Take void*.
2184 * config/abi/pre/gnu.ver: Add it.
2186 2023-06-02 François Dumont <fdumont@gcc.gnu.org>
2188 * include/parallel/algobase.h: Include <parallel/search.h>.
2190 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
2192 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc:
2193 Add const to equality operator.
2195 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
2197 * include/std/expected (expected::and_then, expected::or_else)
2198 (expected::transform_error): Use _M_val and _M_unex instead of
2199 calling value() and error(), as per LWG 3938.
2200 (expected::transform): Likewise. Remove incorrect std::move
2201 calls from lvalue overloads.
2202 (expected<void, E>::and_then, expected<void, E>::or_else)
2203 (expected<void, E>::transform): Use _M_unex instead of calling
2205 * testsuite/20_util/expected/lwg3877.cc: Add checks for and_then
2206 and transform, and for std::expected<void, E>.
2207 * testsuite/20_util/expected/lwg3938.cc: New test.
2209 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
2212 * include/bits/stl_vector.h (_Vector_base::_M_invariant):
2214 (vector::size, vector::capacity): Remove calls to _M_invariant.
2215 * include/bits/vector.tcc (vector::_M_fill_assign): Add
2216 optimization hint to reallocating path.
2217 (vector::_M_assign_aux(FwdIter, FwdIter, forward_iterator_tag)):
2219 * testsuite/23_containers/vector/capacity/invariant.cc: Moved
2221 * testsuite/23_containers/vector/modifiers/assign/no_realloc.cc:
2222 ...here. Check assign(FwdIter, FwdIter) too.
2223 * testsuite/23_containers/vector/types/1.cc: Revert addition
2224 of -Wno-stringop-overread option.
2226 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
2228 * doc/xml/manual/evolution.xml: Document removal of implicit
2229 allocator rebinding extensions in strict mode and for C++20.
2230 * doc/html/*: Regenerate.
2232 2023-06-01 Jason Merrill <jason@redhat.com>
2234 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Don't check
2235 handlers in the cleanup phase.
2237 2023-06-01 Matthias Kretz <m.kretz@gsi.de>
2240 * include/experimental/bits/simd.h (__vectorized_sizeof): With
2241 __have_neon_a32 only single-precision float works (in addition
2244 2023-06-01 François Dumont <fdumont@gcc.gnu.org>
2246 * include/bits/stl_algo.h
2247 (std::__search, std::search(_FwdIt1, _FwdIt1, _FwdIt2, _FwdIt2, _BinPred)): Move...
2248 * include/bits/stl_algobase.h: ...here.
2249 * include/std/functional: Replace <stl_algo.h> include by <stl_algobase.h>.
2250 * include/parallel/algo.h (std::__parallel::search<_FIt1, _FIt2, _BinaryPred>)
2251 (std::__parallel::__search_switch<_FIt1, _FIt2, _BinaryPred, _ItTag1, _ItTag2>):
2253 * include/parallel/algobase.h: ...here.
2254 * include/experimental/functional: Remove <bits/stl_algo.h> and <parallel/algorithm>
2255 includes. Include <bits/stl_algobase.h>.
2257 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2260 * acinclude.m4 (GLIBCXX_ENABLE_C99): Add separate check for
2261 float_t and double_t and define HAVE_C99_FLT_EVAL_TYPES.
2262 * config.h.in: Regenerate.
2263 * configure: Regenerate.
2264 * include/c_global/cmath (float_t, double_t): Guard using new
2265 _GLIBCXX_HAVE_C99_FLT_EVAL_TYPES macro.
2267 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2269 * acinclude.m4 (GLIBCXX_ENABLE_C99): Add checks for C99 math
2270 functions and define _GLIBCXX_USE_C99_MATH_FUNCS. Move checks
2271 for C99 rounding functions to here.
2272 (GLIBCXX_CHECK_C99_TR1): Remove checks for C99 rounding
2273 functions from here.
2274 * config.h.in: Regenerate.
2275 * configure: Regenerate.
2276 * include/bits/random.h: Use _GLIBCXX_USE_C99_MATH_FUNCS instead
2277 of _GLIBCXX_USE_C99_MATH_TR1.
2278 * include/bits/random.tcc: Likewise.
2279 * include/c_compatibility/math.h: Likewise.
2280 * include/c_global/cmath: Likewise.
2281 * include/ext/random: Likewise.
2282 * include/ext/random.tcc: Likewise.
2283 * include/std/complex: Likewise.
2284 * testsuite/20_util/from_chars/4.cc: Likewise.
2285 * testsuite/20_util/from_chars/8.cc: Likewise.
2286 * testsuite/26_numerics/complex/proj.cc: Likewise.
2287 * testsuite/26_numerics/headers/cmath/60401.cc: Likewise.
2288 * testsuite/26_numerics/headers/cmath/types_std_c++0x.cc:
2290 * testsuite/lib/libstdc++.exp (check_v3_target_cstdint):
2292 * testsuite/util/testsuite_random.h: Likewise.
2294 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2296 * include/bits/stl_vector.h (_Vector_base::_M_invariant()): New
2298 (vector::size(), vector::capacity()): Call _M_invariant().
2299 * testsuite/23_containers/vector/capacity/invariant.cc: New test.
2300 * testsuite/23_containers/vector/types/1.cc: Add suppression for
2301 false positive warning (PR110060).
2303 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2306 * src/c++17/floating_from_chars.cc: Check __FLT128_MANT_DIG__ is
2307 defined before trying to use _Float128.
2309 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2311 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Fix for 32-bit pointers
2312 to check __INT_PTR_WIDTH__ instead of sizeof(void*).
2313 * configure: Regenerate.
2315 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2317 * include/bits/unique_lock.h: Include <bits/error_constants.h>
2318 here for std::errc constants.
2319 * include/std/mutex: Do not include <bits/error_constants.h> and
2322 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2324 * configure.ac: Replace use of -o operator for test.
2325 * configure: Regenerate.
2327 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2329 * include/std/scoped_allocator (scoped_allocator_adaptor): Add
2330 noexcept to all constructors except the default constructor.
2331 (scoped_allocator_adaptor::inner_allocator): Add noexcept.
2332 (scoped_allocator_adaptor::outer_allocator): Likewise.
2333 * testsuite/20_util/scoped_allocator/noexcept.cc: New test.
2335 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2338 * include/std/limits (numeric_limits<__float128>): Define.
2339 * testsuite/18_support/numeric_limits/128bit.cc: New test.
2341 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2343 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Extend logic for avr and
2344 msp430 to all 16-bit targets.
2345 * configure: Regenerate.
2347 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2350 * src/c++17/floating_from_chars.cc (USE_STRTOF128_FOR_FROM_CHARS):
2351 Only define when USE_STRTOD_FOR_FROM_CHARS is also defined.
2352 (USE_STRTOD_FOR_FROM_CHARS): Do not undefine when long double is
2354 (from_chars(const char*, const char*, double&, chars_format)):
2355 Check __LDBL_MANT_DIG__ == __DBL_MANT_DIG__ here.
2356 (from_chars(const char*, const char*, _Float128&, chars_format))
2357 Only use from_chars_strtod when USE_STRTOD_FOR_FROM_CHARS is
2358 defined, otherwise parse a long double and convert to _Float128.
2360 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2363 * include/std/iomanip (operator>>(basic_istream&, _Setfill)):
2364 Add deprecated attribute to non-standard overload.
2365 * doc/xml/manual/evolution.xml: Document deprecation.
2366 * doc/html/*: Regenerate.
2367 * testsuite/27_io/manipulators/standard/char/1.cc: Add
2368 dg-warning for expected deprecated warning.
2369 * testsuite/27_io/manipulators/standard/char/2.cc: Likewise.
2370 * testsuite/27_io/manipulators/standard/wchar_t/1.cc: Likewise.
2371 * testsuite/27_io/manipulators/standard/wchar_t/2.cc: Likewise.
2373 2023-05-30 Alexandre Oliva <oliva@adacore.com>
2375 * testsuite/20_util/from_chars/4.cc: Skip long double test06
2377 * testsuite/20_util/to_chars/long_double.cc: Xfail run on
2380 2023-05-30 Matthias Kretz <m.kretz@gsi.de>
2383 * include/experimental/bits/simd.h (to_native): Use int NTTP
2384 as specified in PTS2.
2385 (to_compatible): Likewise. Add missing tag to call mask
2387 * testsuite/experimental/simd/pr109822_cast_functions.cc: New
2390 2023-05-30 Matthias Kretz <m.kretz@gsi.de>
2392 * testsuite/experimental/simd/tests/integer_operators.cc:
2393 Compute expected value differently to avoid getting turned into
2396 2023-05-30 Matthias Kretz <m.kretz@gsi.de>
2398 * testsuite/experimental/simd/tests/operator_cvt.cc: Make long
2399 double <-> (u)long conversion tests conditional on sizeof(long
2400 double) and sizeof(long).
2402 2023-05-26 Matthias Kretz <m.kretz@gsi.de>
2404 * include/experimental/bits/simd_ppc.h (_S_bit_shift_left):
2405 Negative __y is UB, so prefer signed compare.
2407 2023-05-25 Jonathan Wakely <jwakely@redhat.com>
2409 * testsuite/util/testsuite_allocator.h (PointerBase): Add
2410 relational operators.
2412 2023-05-25 Alexandre Oliva <oliva@adacore.com>
2414 * testsuite/20_util/to_chars/long_double.cc: Expect execution
2415 fail on x86-vxworks.
2417 2023-05-24 Matthias Kretz <m.kretz@gsi.de>
2420 * include/experimental/bits/simd.h (__intrinsic_type): If
2421 __ALTIVEC__ is defined, map gnu::vector_size types to their
2422 corresponding __vector T types without losing unsignedness of
2423 integer types. Also prefer long long over long.
2424 * include/experimental/bits/simd_ppc.h (_S_popcount): Cast mask
2425 object to the expected unsigned vector type.
2427 2023-05-24 Matthias Kretz <m.kretz@gsi.de>
2430 * include/experimental/bits/simd.h (__intrinsic_type):
2431 Specialize __intrinsic_type<double, 8> and
2432 __intrinsic_type<double, 16> in any case, but provide the member
2433 type only with __aarch64__.
2435 2023-05-24 Matthias Kretz <m.kretz@gsi.de>
2438 * include/experimental/bits/simd_neon.h (_S_reduce): Add
2439 constexpr and make NEON implementation conditional on
2440 not __builtin_is_constant_evaluated.
2442 2023-05-23 Matthias Kretz <m.kretz@gsi.de>
2445 * include/experimental/bits/simd.h (_SimdWrapper::_M_set):
2446 Avoid vector builtin subscripting in constant expressions.
2447 (resizing_simd_cast): Avoid memcpy if constant_evaluated.
2448 (const_where_expression, where_expression, where)
2449 (__extract_part, simd_mask, _SimdIntOperators, simd): Add either
2450 _GLIBCXX_SIMD_CONSTEXPR (on public APIs), or constexpr (on
2452 * include/experimental/bits/simd_builtin.h (__vector_permute)
2453 (__vector_shuffle, __extract_part, _GnuTraits::_SimdCastType1)
2454 (_GnuTraits::_SimdCastType2, _SimdImplBuiltin)
2455 (_MaskImplBuiltin::_S_store): Add constexpr.
2456 (_CommonImplBuiltin::_S_store_bool_array)
2457 (_SimdImplBuiltin::_S_load, _SimdImplBuiltin::_S_store)
2458 (_SimdImplBuiltin::_S_reduce, _MaskImplBuiltin::_S_load): Add
2459 constant_evaluated case.
2460 * include/experimental/bits/simd_fixed_size.h
2461 (_S_masked_load): Reword comment.
2462 (__tuple_element_meta, __make_meta, _SimdTuple::_M_apply_r)
2463 (_SimdTuple::_M_subscript_read, _SimdTuple::_M_subscript_write)
2464 (__make_simd_tuple, __optimize_simd_tuple, __extract_part)
2465 (__autocvt_to_simd, _Fixed::__traits::_SimdBase)
2466 (_Fixed::__traits::_SimdCastType, _SimdImplFixedSize): Add
2468 (_SimdTuple::operator[], _M_set): Add constexpr and add
2469 constant_evaluated case.
2470 (_MaskImplFixedSize::_S_load): Add constant_evaluated case.
2471 * include/experimental/bits/simd_scalar.h: Add constexpr.
2472 * include/experimental/bits/simd_x86.h (_CommonImplX86): Add
2473 constexpr and add constant_evaluated case.
2474 (_SimdImplX86::_S_equal_to, _S_not_equal_to, _S_less)
2475 (_S_less_equal): Value-initialize to satisfy constexpr
2477 (_MaskImplX86::_S_load): Add constant_evaluated case.
2478 (_MaskImplX86::_S_store): Add constexpr and constant_evaluated
2479 case. Value-initialize local variables.
2480 (_MaskImplX86::_S_logical_and, _S_logical_or, _S_bit_not)
2481 (_S_bit_and, _S_bit_or, _S_bit_xor): Add constant_evaluated
2483 * testsuite/experimental/simd/pr109261_constexpr_simd.cc: New
2486 2023-05-22 Matthias Kretz <m.kretz@gsi.de>
2488 * include/experimental/bits/simd_builtin.h (_S_fpclassify): Move
2489 __infn into #ifdef'ed block.
2490 * testsuite/experimental/simd/tests/fpclassify.cc: Declare
2491 constants only when used.
2492 * testsuite/experimental/simd/tests/frexp.cc: Likewise.
2493 * testsuite/experimental/simd/tests/logarithm.cc: Likewise.
2494 * testsuite/experimental/simd/tests/trunc_ceil_floor.cc:
2496 * testsuite/experimental/simd/tests/ldexp_scalbn_scalbln_modf.cc:
2497 Move totest and expect1 into #ifdef'ed block.
2499 2023-05-19 Gerald Pfeifer <gerald@pfeifer.com>
2501 * doc/xml/manual/strings.xml: Move lafstern.org reference to https.
2502 * doc/html/manual/strings.html: Regenerate.
2504 2023-05-17 Jakub Jelinek <jakub@redhat.com>
2507 * testsuite/26_numerics/headers/cmath/constexpr_std_c++23.cc: New test.
2509 2023-05-17 Jakub Jelinek <jakub@redhat.com>
2512 * include/c_global/cmath (atan2, fmod, pow): Move
2513 __gnu_cxx::__promote_2 using templates after _Float{16,32,64,128} and
2514 __gnu_cxx::__bfloat16_t overloads.
2515 (copysign, fdim, fmax, fmin, hypot, nextafter, remainder, remquo):
2517 (fma): Move __gnu_cxx::__promote_3 using template after
2518 _Float{16,32,64,128} and __gnu_cxx::__bfloat16_t overloads.
2520 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
2522 * testsuite/18_support/headers/limits/synopsis.cc: Uncomment
2523 checks for float_round_style and float_denorm_style.
2525 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
2527 * include/bits/c++config: Add system_header pragma.
2529 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
2531 * include/std/expected (expected::and_then, expected::or_else)
2532 (expected::transform, expected::transform_error): Fix exception
2533 specifications as per LWG 3877.
2534 (expected<void, E>::and_then, expected<void, E>::transform):
2536 * testsuite/20_util/expected/lwg3877.cc: New test.
2538 2023-05-17 Ken Matsui <kmatsui@cs.washington.edu>
2540 * include/std/type_traits: Use __bool_constant instead of
2543 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
2545 * configure: Regenerate.
2547 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2550 * acinclude.m4 (GLIBCXX_CHECK_ALIGNAS_CACHELINE): Define.
2551 * config.h.in: Regenerate.
2552 * configure: Regenerate.
2553 * configure.ac: Use GLIBCXX_CHECK_ALIGNAS_CACHELINE.
2554 * src/c++11/shared_ptr.cc (__gnu_internal::get_mutex): Do not
2555 align lock table if not supported. use __GCC_DESTRUCTIVE_SIZE
2556 instead of hardcoded 64.
2558 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2560 * acinclude.m4 (GLIBCXX_USE_C99): Check for isblank in C++11
2561 mode and define _GLIBCXX_USE_C99_CTYPE. Check for <fenv.h>
2562 functions in C++11 mode and define _GLIBCXX_USE_C99_FENV.
2563 * config.h.in: Regenerate.
2564 * configure: Regenerate.
2565 * include/c_compatibility/fenv.h: Check _GLIBCXX_USE_C99_FENV
2566 instead of _GLIBCXX_USE_C99_FENV_TR1.
2567 * include/c_global/cfenv: Likewise.
2568 * include/c_global/cctype: Check _GLIBCXX_USE_C99_CTYPE instead
2569 of _GLIBCXX_USE_C99_CTYPE_TR1.
2571 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2573 * acinclude.m4 (GLIBCXX_USE_C99): Check for <stdint.h> types in
2574 C++11 mode and define _GLIBCXX_USE_C99_STDINT. Check for
2575 <inttypes.h> features in C++11 mode and define
2576 _GLIBCXX_USE_C99_INTTYPES and _GLIBCXX_USE_C99_INTTYPES_WCHAR_T.
2577 * config.h.in: Regenerate.
2578 * configure: Regenerate.
2579 * doc/doxygen/user.cfg.in (PREDEFINED): Add new macros.
2580 * include/bits/chrono.h: Check _GLIBCXX_USE_C99_STDINT instead
2581 of _GLIBCXX_USE_C99_STDINT_TR1.
2582 * include/c_compatibility/inttypes.h: Check
2583 _GLIBCXX_USE_C99_INTTYPES and _GLIBCXX_USE_C99_INTTYPES_WCHAR_T
2584 instead of _GLIBCXX_USE_C99_INTTYPES_TR1 and
2585 _GLIBCXX_USE_C99_INTTYPES_WCHAR_T_TR1.
2586 * include/c_compatibility/stdatomic.h: Check
2587 _GLIBCXX_USE_C99_STDINT instead of _GLIBCXX_USE_C99_STDINT_TR1.
2588 * include/c_compatibility/stdint.h: Likewise.
2589 * include/c_global/cinttypes: Check _GLIBCXX_USE_C99_INTTYPES
2590 and _GLIBCXX_USE_C99_INTTYPES_WCHAR_T instead of
2591 _GLIBCXX_USE_C99_INTTYPES_TR1 and
2592 _GLIBCXX_USE_C99_INTTYPES_WCHAR_T_TR1.
2593 * include/c_global/cstdint: Check _GLIBCXX_USE_C99_STDINT
2594 instead of _GLIBCXX_USE_C99_STDINT_TR1.
2595 * include/std/atomic: Likewise.
2596 * src/c++11/cow-stdexcept.cc: Likewise.
2597 * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc:
2599 * testsuite/lib/libstdc++.exp (check_v3_target_cstdint):
2602 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2604 * acinclude.m4 (GLIBCXX_USE_C99): Check for complex inverse trig
2605 functions in C++11 mode and define _GLIBCXX_USE_C99_COMPLEX_ARC.
2606 * config.h.in: Regenerate.
2607 * configure: Regenerate.
2608 * doc/doxygen/user.cfg.in (PREDEFINED): Add new macro.
2609 * include/std/complex: Check _GLIBCXX_USE_C99_COMPLEX_ARC
2610 instead of _GLIBCXX_USE_C99_COMPLEX_TR1.
2612 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2614 * testsuite/ext/debug_allocator/check_deallocate_null.cc: Add
2615 assertion to ensure expected exception is throw.
2617 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2619 * testsuite/libstdc++-prettyprinters/chrono.cc: Only test
2620 printer for chrono::zoned_time for cx11 ABI and tzdb effective
2623 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2625 * acinclude.m4 (GLIBCXX_CHECK_PTHREAD_MUTEX_CLOCKLOCK): Define
2626 _GLIBCXX_USE_PTHREAD_MUTEX_CLOCKLOCK in terms of _GLIBCXX_TSAN.
2627 * configure: Regenerate.
2629 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2631 * acinclude.m4 (GLIBCXX_CHECK_C99_TR1): Use a non-null pointer
2632 to check for nan, nanf, and nanl.
2633 * configure: Regenerate.
2635 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2637 * include/bits/char_traits.h (char_traits<char16_t>): Do not
2638 depend on _GLIBCXX_USE_C99_STDINT_TR1.
2639 (char_traits<char32_t>): Likewise.
2640 * include/experimental/source_location: Likewise.
2642 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2644 * include/std/atomic (atomic_int_least8_t, atomic_uint_least8_t)
2645 (atomic_int_least16_t, atomic_uint_least16_t)
2646 (atomic_int_least32_t, atomic_uint_least32_t)
2647 (atomic_int_least64_t, atomic_uint_least64_t)
2648 (atomic_int_fast16_t, atomic_uint_fast16_t)
2649 (atomic_int_fast32_t, atomic_uint_fast32_t)
2650 (atomic_int_fast64_t, atomic_uint_fast64_t)
2651 (atomic_intmax_t, atomic_uintmax_t): Define unconditionally.
2652 * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc: Adjust.
2654 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2656 * include/bits/algorithmfwd.h (shuffle): Do not depend on
2657 _GLIBCXX_USE_C99_STDINT_TR1.
2658 * include/bits/ranges_algo.h (shuffle): Likewise.
2659 * include/bits/stl_algo.h (shuffle): Likewise.
2660 * include/ext/random: Likewise.
2661 * include/ext/throw_allocator.h (random_condition): Likewise.
2662 * include/std/random: Likewise.
2663 * src/c++11/cow-string-inst.cc: Likewise.
2664 * src/c++11/random.cc: Likewise.
2666 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2668 * testsuite/experimental/feat-cxx14.cc: Remove dependency on
2669 _GLIBCXX_USE_C99_STDINT_TR1.
2671 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2673 * testsuite/22_locale/locale/cons/unicode.cc: Remove dependency
2674 on _GLIBCXX_USE_C99_STDINT_TR1.
2676 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2678 * testsuite/21_strings/basic_string_view/typedefs.cc: Remove
2679 dependency on _GLIBCXX_USE_C99_STDINT_TR1.
2680 * testsuite/experimental/string_view/typedefs.cc: Likewise.
2682 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
2684 * src/c++17/floating_from_chars.cc [USE_STRTOD_FOR_FROM_CHARS]
2685 (auto_locale, auto_ferounding): New class types.
2686 (from_chars_impl): Use auto_locale and auto_ferounding.
2688 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
2691 * include/std/chrono (hh_mm_ss::__fits): Remove variable
2693 (hh_mm_ss::__subseconds): Remove __fits from constraints.
2694 * testsuite/std/time/hh_mm_ss/109772.cc: New test.
2695 * testsuite/std/time/hh_mm_ss/1.cc: Adjust expected size for
2696 hh_mm_ss<duration<int, std::pico>>.
2698 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
2700 * config/abi/pre/gnu.ver: Export basic_string::_S_allocate.
2701 * include/bits/basic_ios.h: Add static assertion checking
2702 traits_type::value_type.
2703 * include/bits/basic_string.h: Likewise. Do not rebind
2704 allocator, and add static assertion checking its value_type.
2705 (basic_string::_Alloc_traits_impl): Remove class template.
2706 (basic_string::_S_allocate): New static member function.
2707 (basic_string::assign): Use _S_allocate.
2708 * include/bits/basic_string.tcc (basic_string::_M_create)
2709 (basic_string::reserve, basic_string::_M_replace): Likewise.
2710 * testsuite/21_strings/basic_string/requirements/explicit_instantiation/debug.cc:
2711 Disable for C++20 and later.
2712 * testsuite/21_strings/basic_string/requirements/explicit_instantiation/int.cc:
2715 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
2718 * include/bits/std_abs.h (abs(__float128)): Handle negative NaN
2719 and negative zero correctly.
2720 * testsuite/26_numerics/headers/cmath/109758.cc: New test.
2722 2023-05-10 François Dumont <fdumont@gcc.gnu.org>
2724 * include/bits/hashtable_policy.h
2725 (_NodeBuilder<>::_S_build): Use __node_ptr.
2726 (_ReuseOrAllocNode<>): Use __node_ptr in place of __node_type*.
2727 (_AllocNode<>): Likewise.
2728 (_Equality<>::_M_equal): Remove const_iterator usages. Only preserved
2729 to call std::is_permutation in the non-unique key implementation.
2730 * include/bits/hashtable.h (_Hashtable<>::_M_update_begin()): Capture
2732 (_Hashtable<>::_M_bucket_begin(size_type)): Implement implicitly inline.
2733 (_Hashtable<>::_M_insert_bucket_begin): Likewise.
2734 (_Hashtable<>::_M_remove_bucket_begin): Likewise.
2735 (_Hashtable<>::_M_compute_hash_code): Use __node_ptr rather than
2737 (_Hashtable<>::find): Likewise.
2738 (_Hashtable<>::_M_emplace): Likewise.
2739 (_Hashtable<>::_M_insert_unique): Likewise.
2741 2023-05-09 Jonathan Wakely <jwakely@redhat.com>
2743 * python/libstdcxx/v6/printers.py (StdChronoDurationPrinter):
2744 Print floating-point durations correctly.
2745 (StdChronoTimePointPrinter): Support printing only the value,
2746 not the type name. Uncomment handling for known clocks.
2747 (StdChronoZonedTimePrinter): Remove type names from output.
2748 (StdChronoCalendarPrinter): Fix hh_mm_ss member access.
2749 (StdChronoTimeZonePrinter): Add equals sign to output.
2750 * testsuite/libstdc++-prettyprinters/chrono.cc: New test.
2752 2023-05-05 Alexandre Oliva <oliva@adacore.com>
2754 * testsuite/20_util/from_chars/4.cc: Skip long double test06
2756 * testsuite/20_util/to_chars/long_double.cc: Xfail run on
2759 2023-05-04 Jonathan Wakely <jwakely@redhat.com>
2761 * doc/xml/manual/abi.xml (abi.versioning.history): Document
2762 libstdc++.so.6.0.32 and GLIBCXX_3.4.32 version.
2763 * doc/html/manual/abi.html: Regenerate.
2765 2023-05-04 Florian Weimer <fweimer@redhat.com>
2767 * doc/xml/manual/abi.xml (abi.versioning.history): Add
2768 GCC_7.0.0, GCC_9.0.0, GCC_11.0, GCC_12.0.0, GCC_13.0.0 for
2771 2023-05-03 Jakub Jelinek <jakub@redhat.com>
2773 * src/c++17/floating_from_chars.cc
2774 (_ZSt10from_charsPKcS0_RDF128_St12chars_format): New alias to
2775 _ZSt10from_charsPKcS0_Ru9__ieee128St12chars_format.
2776 * src/c++17/floating_to_chars.cc (_ZSt8to_charsPcS_DF128_): New alias to
2777 _ZSt8to_charsPcS_u9__ieee128.
2778 (_ZSt8to_charsPcS_DF128_St12chars_format): New alias to
2779 _ZSt8to_charsPcS_u9__ieee128St12chars_format.
2780 (_ZSt8to_charsPcS_DF128_St12chars_formati): New alias to
2781 _ZSt8to_charsPcS_u9__ieee128St12chars_formati.
2782 * config/abi/post/powerpc64le-linux-gnu/baseline_symbols.txt: Updated.
2784 2023-05-03 Jakub Jelinek <jakub@redhat.com>
2786 * configure.host (abi_baseline_pair): Use powerpc64le-linux-gnu
2787 rather than powerpc64-linux-gnu for powerpc64le*-linux*.
2788 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Remove
2789 _ZTI*DF128_, _ZTI*DF64x symbols and symbols in
2790 GLIBCXX_IEEE128_3.4.{29,30,31} and CXXABI_IEEE128_1.3.13 symbol
2792 * config/abi/post/powerpc64le-linux-gnu/baseline_symbols.txt: New
2795 2023-05-03 Kefu Chai <kefu.chai@scylladb.com>
2796 Jonathan Wakely <jwakely@redhat.com>
2799 * include/bits/basic_string.h (basic_string(Iter, Iter, Alloc)):
2800 Initialize _M_string_length.
2802 2023-05-02 Jakub Jelinek <jakub@redhat.com>
2804 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
2805 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
2806 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
2807 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
2808 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
2809 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
2810 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
2811 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2813 2023-05-02 Jakub Jelinek <jakub@redhat.com>
2816 * src/c++98/ios_init.cc: Add #pragma GCC diagnostic ignored for
2819 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
2821 * include/bits/random.h (gamma_distribution): Add to the right
2823 (discrete_distribution, piecewise_constant_distribution)
2824 (piecewise_linear_distribution): Create a new doxygen group and
2825 fix the incomplete doxygen comments.
2826 * include/bits/uniform_int_dist.h (uniform_int_distribution):
2827 Add to doxygen group.
2829 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
2831 * include/bits/uses_allocator.h: Add missing @file comment.
2832 * include/bits/regex.tcc: Remove stray doxygen comments.
2833 * include/experimental/memory_resource: Likewise.
2834 * include/std/bit: Tweak doxygen @cond comments.
2835 * include/std/expected: Likewise.
2836 * include/std/numbers: Likewise.
2838 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
2840 * doc/doxygen/user.cfg.in (STRIP_FROM_PATH): Remove prefixes
2843 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
2845 * include/bits/move.h: Simplify opening/closing namespace std.
2847 2023-04-28 Jakub Jelinek <jakub@redhat.com>
2850 * config/abi/pre/gnu.ver (GLIBCXX_3.4.32): Export
2851 _ZSt21ios_base_library_initv.
2852 * testsuite/util/testsuite_abi.cc (check_version): Add GLIBCXX_3.4.32
2853 symver and make it the latestp.
2854 * src/c++98/ios_init.cc (ios_base_library_init): New alias.
2855 * acinclude.m4 (libtool_VERSION): Change to 6:32:0.
2856 * include/std/iostream: If init_priority attribute is supported
2857 and _GLIBCXX_SYMVER_GNU, force undefined _ZSt21ios_base_library_initv
2858 symbol into the object.
2859 * configure: Regenerated.
2861 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2863 * include/bits/mofunc_impl.h: Fix typo in doxygen comment.
2864 * include/std/format: Likewise.
2866 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2868 * doc/doxygen/user.cfg.in (FORMULA_TRANSPARENT, DOT_FONTNAME)
2869 (DOT_FONTSIZE, DOT_TRANSPARENT): Remove obsolete options.
2871 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2873 * doc/doxygen/user.cfg.in (SOURCE_BROWSER): Only set to YES for
2875 * include/bits/gslice_array.h (_DEFINE_VALARRAY_OPERATOR): Omit
2877 * include/bits/indirect_array.h (_DEFINE_VALARRAY_OPERATOR):
2879 * include/bits/mask_array.h (_DEFINE_VALARRAY_OPERATOR):
2881 * include/bits/slice_array.h (_DEFINE_VALARRAY_OPERATOR):
2883 * include/std/valarray (_DEFINE_VALARRAY_UNARY_OPERATOR)
2884 (_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT)
2885 (_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT)
2886 (_DEFINE_BINARY_OPERATOR): Likewise.
2888 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2890 * include/bits/memory_resource.h: Improve doxygen comments.
2891 * include/std/memory_resource: Likewise.
2893 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2896 * include/bits/basic_string.h: Improve doxygen comments.
2897 * include/bits/cow_string.h: Likewise.
2898 * include/bits/forward_list.h: Likewise.
2899 * include/bits/fs_dir.h: Likewise.
2900 * include/bits/fs_path.h: Likewise.
2901 * include/bits/quoted_string.h: Likewise.
2902 * include/bits/stl_bvector.h: Likewise.
2903 * include/bits/stl_map.h: Likewise.
2904 * include/bits/stl_multimap.h: Likewise.
2905 * include/bits/stl_multiset.h: Likewise.
2906 * include/bits/stl_set.h: Likewise.
2907 * include/bits/stl_vector.h: Likewise.
2908 * include/bits/unordered_map.h: Likewise.
2909 * include/bits/unordered_set.h: Likewise.
2910 * include/std/filesystem: Likewise.
2911 * include/std/iomanip: Likewise.
2913 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2916 * src/c++11/random.cc (__throw_syserr): New function.
2917 (random_device::_M_init, random_device::_M_init_pretr1): Use new
2918 function for bad tokens.
2919 (random_device::_M_getval): Use new function for read errors.
2920 * testsuite/util/testsuite_random.h (random_device_available):
2921 Change catch handler to use std::system_error.
2923 2023-04-24 Patrick Palka <ppalka@redhat.com>
2925 * include/bits/max_size_type.h (__max_diff_type::operator>>=):
2926 Fix propagation of sign bit.
2927 * testsuite/std/ranges/iota/max_size_type.cc: Avoid using the
2928 non-standard 'signed typedef-name'. Add some compile-time tests
2929 for right-shifting a negative __max_diff_type value by more than
2932 2023-04-19 Patrick Palka <ppalka@redhat.com>
2933 Jonathan Wakely <jwakely@redhat.com>
2936 * include/bits/utility.h (_Nth_type): Conditionally define in
2937 terms of __type_pack_element if available.
2938 * testsuite/20_util/tuple/element_access/get_neg.cc: Prune
2939 additional errors from the new built-in.
2941 2023-04-19 Jonathan Wakely <jwakely@redhat.com>
2944 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2947 * src/Makefile.am: Move globals_io.cc to here.
2948 * src/Makefile.in: Regenerate.
2949 * src/c++98/Makefile.am: Remove globals_io.cc from here.
2950 * src/c++98/Makefile.in: Regenerate.
2951 * src/c++98/globals_io.cc [_GLIBCXX_SYMVER_GNU] (cin): Adjust
2952 symbol name and then export with GLIBCXX_3.4.31 symver.
2953 (cout, cerr, clog, wcin, wcout, wcerr, wclog): Likewise.
2954 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt:
2956 * config/abi/post/i486-linux-gnu/baseline_symbols.txt:
2958 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt:
2960 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt:
2962 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt:
2964 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt:
2966 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt:
2968 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt:
2970 * config/abi/pre/gnu.ver: Add iostream objects to new symver.
2972 2023-04-19 Jonathan Wakely <jwakely@redhat.com>
2975 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2978 * config/abi/pre/gnu.ver: Fix preprocessor condition.
2980 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2982 * doc/xml/manual/extensions.xml: Fix example to declare and
2983 qualify std::free, and use NULL instead of 0.
2984 * doc/html/manual/ext_demangling.html: Regenerate.
2985 * libsupc++/cxxabi.h: Adjust doxygen comments.
2987 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2990 * config/abi/pre/gnu.ver: Fix preprocessor condition.
2992 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2995 * src/Makefile.am: Move globals_io.cc to here.
2996 * src/Makefile.in: Regenerate.
2997 * src/c++98/Makefile.am: Remove globals_io.cc from here.
2998 * src/c++98/Makefile.in: Regenerate.
2999 * src/c++98/globals_io.cc [_GLIBCXX_SYMVER_GNU] (cin): Adjust
3000 symbol name and then export with GLIBCXX_3.4.31 symver.
3001 (cout, cerr, clog, wcin, wcout, wcerr, wclog): Likewise.
3002 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt:
3004 * config/abi/post/i486-linux-gnu/baseline_symbols.txt:
3006 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt:
3008 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt:
3010 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt:
3012 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt:
3014 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt:
3016 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt:
3018 * config/abi/pre/gnu.ver: Add iostream objects to new symver.
3020 2023-04-18 Patrick Palka <ppalka@redhat.com>
3023 * include/bits/ranges_cmp.h (__cpp_lib_ranges): Bump value
3025 * include/std/ranges (range_adaptor_closure): Define for C++23.
3026 * include/std/version (__cpp_lib_ranges): Bump value for
3028 * testsuite/std/ranges/version_c++23.cc: Bump expected value
3029 of __cpp_lib_ranges.
3030 * testsuite/std/ranges/range_adaptor_closure.cc: New test.
3032 2023-04-18 Patrick Palka <ppalka@redhat.com>
3034 * include/bits/ranges_algo.h (__cpp_lib_ranges_contains):
3036 (__cpp_lib_ranges_iota): Likewise.
3037 (__cpp_lib_ranges_find_last): Likewise.
3038 (__cpp_lib_fold): Rename to ...
3039 (__cpp_lib_ranges_fold): ... this.
3040 * include/std/version: As above.
3041 * testsuite/25_algorithms/fold_left/1.cc: Adjust after
3042 renaming __cpp_lib_fold.
3043 * testsuite/std/ranges/version_c++23.cc: Verify values
3044 of the above feature-test macros.
3046 2023-04-18 Patrick Palka <ppalka@redhat.com>
3049 * include/std/ranges (views::_AsConst::operator()): Add
3050 missing const to constant_range test.
3051 * testsuite/std/ranges/adaptors/as_const/1.cc (test02):
3052 Improve formatting. Adjust expected type of v2.
3055 2023-04-14 Patrick Palka <ppalka@redhat.com>
3057 * include/bits/ranges_base.h (const_iterator_t): Define for C++23.
3058 (const_sentinel_t): Likewise.
3059 (range_const_reference_t): Likewise.
3060 (constant_range): Likewise.
3061 (__cust_access::__possibly_const_range): Likewise, replacing ...
3062 (__cust_access::__as_const): ... this.
3063 (__cust_access::_CBegin::operator()): Redefine for C++23 as per P2278R4.
3064 (__cust_access::_CEnd::operator()): Likewise.
3065 (__cust_access::_CRBegin::operator()): Likewise.
3066 (__cust_access::_CREnd::operator()): Likewise.
3067 (__cust_access::_CData::operator()): Likewise.
3068 * include/bits/ranges_util.h (ranges::__detail::__different_from):
3069 Make it an alias of std::__detail::__different_from.
3070 (view_interface::cbegin): Define for C++23.
3071 (view_interface::cend): Likewise.
3072 * include/bits/stl_iterator.h (__detail::__different_from): Define.
3073 (iter_const_reference_t): Define for C++23.
3074 (__detail::__constant_iterator): Likewise.
3075 (__detail::__is_const_iterator): Likewise.
3076 (__detail::__not_a_const_iterator): Likewise.
3077 (__detail::__iter_const_rvalue_reference_t): Likewise.
3078 (__detail::__basic_const_iter_cat):: Likewise.
3079 (const_iterator): Likewise.
3080 (__detail::__const_sentinel): Likewise.
3081 (const_sentinel): Likewise.
3082 (basic_const_iterator): Likewise.
3083 (common_type<basic_const_iterator<_Tp>, _Up>): Likewise.
3084 (common_type<_Up, basic_const_iterator<_Tp>>): Likewise.
3085 (common_type<basic_const_iterator<_Tp>, basic_const_iterator<Up>>):
3087 (make_const_iterator): Define for C++23.
3088 (make_const_sentinel): Likewise.
3089 * include/std/ranges (__cpp_lib_ranges_as_const): Likewise.
3090 (as_const_view): Likewise.
3091 (enable_borrowed_range<as_const_view>): Likewise.
3092 (views::__detail::__is_ref_view): Likewise.
3093 (views::__detail::__can_is_const_view): Likewise.
3094 (views::_AsConst, views::as_const): Likewise.
3095 * include/std/span (span::const_iterator): Likewise.
3096 (span::const_reverse_iterator): Likewise.
3097 (span::cbegin): Likewise.
3098 (span::cend): Likewise.
3099 (span::crbegin): Likewise.
3100 (span::crend): Likewise.
3101 * include/std/version (__cpp_lib_ranges_as_const): Likewise.
3102 * testsuite/std/ranges/adaptors/join.cc (test06): Adjust to
3103 behave independently of C++20 vs C++23.
3104 * testsuite/std/ranges/version_c++23.cc: Verify value of
3105 __cpp_lib_ranges_as_const macro.
3106 * testsuite/24_iterators/const_iterator/1.cc: New test.
3107 * testsuite/std/ranges/adaptors/as_const/1.cc: New test.
3109 2023-04-14 Patrick Palka <ppalka@redhat.com>
3111 * include/bits/ranges_base.h (__cust_access::__as_const)
3112 (__cust_access::_CBegin, __cust::cbegin)
3113 (__cust_access::_CEnd, __cust::cend)
3114 (__cust_access::_CRBegin, __cust::crbegin)
3115 (__cust_access::_CREnd, __cust::crend)
3116 (__cust_access::_CData, __cust::cdata): Move down definitions to
3117 shortly after the definition of input_range.
3119 2023-04-14 Patrick Palka <ppalka@redhat.com>
3121 * include/bits/ranges_algo.h: Include <optional> for C++23.
3122 (__cpp_lib_fold): Define for C++23.
3123 (in_value_result): Likewise.
3124 (__detail::__flipped): Likewise.
3125 (__detail::__indirectly_binary_left_foldable_impl): Likewise.
3126 (__detail::__indirectly_binary_left_foldable): Likewise.
3127 (___detail:__indirectly_binary_right_foldable): Likewise.
3128 (fold_left_with_iter_result): Likewise.
3129 (__fold_left_with_iter_fn, fold_left_with_iter): Likewise.
3130 (__fold_left_fn, fold_left): Likewise.
3131 (__fold_left_first_with_iter_fn, fold_left_first_with_iter):
3133 (__fold_left_first_fn, fold_left_first): Likewise.
3134 (__fold_right_fn, fold_right): Likewise.
3135 (__fold_right_last_fn, fold_right_last): Likewise.
3136 * include/std/version (__cpp_lib_fold): Likewise.
3137 * testsuite/25_algorithms/fold_left/1.cc: New test.
3138 * testsuite/25_algorithms/fold_right/1.cc: New test.
3140 2023-04-14 Jonathan Wakely <jwakely@redhat.com>
3142 * include/std/format (formatter): Add comment to deleted default
3143 constructor of primary template.
3144 (_Checking_scanner): Add static_assert.
3146 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
3148 * doc/xml/manual/using.xml: Document libstdc++exp.a library.
3149 * doc/html/*: Regenerate.
3151 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
3153 * testsuite/17_intro/names.cc [_AIX]: Do not define policy.
3154 * testsuite/19_diagnostics/error_code/cons/lwg3629.cc: Rename
3155 namespace to avoid clashing with libc struct.
3156 * testsuite/19_diagnostics/error_condition/cons/lwg3629.cc:
3158 * testsuite/23_containers/unordered_map/96088.cc: Skip on AIX.
3159 * testsuite/23_containers/unordered_multimap/96088.cc: Likewise.
3160 * testsuite/23_containers/unordered_multiset/96088.cc: Likewise.
3161 * testsuite/23_containers/unordered_set/96088.cc: Likewise.
3162 * testsuite/experimental/synchronized_value.cc: Require gthreads
3163 and add missing option for pthreads targets.
3165 2023-04-12 Patrick Palka <ppalka@redhat.com>
3167 * include/std/ranges (__cpp_lib_ranges_enumerate): Define
3169 (__detail::__range_with_movable_reference): Likewise.
3170 (enumerate_view): Likewise.
3171 (enumerate_view::_Iterator): Likewise.
3172 (enumerate_view::_Sentinel): Likewise.
3173 (views::__detail::__can_enumerate_view): Likewise.
3174 (views::_Enumerate, views::enumerate): Likewise.
3175 * include/std/version (__cpp_lib_ranges_enumerate): Likewise.
3176 * testsuite/std/ranges/version_c++23.cc: Verify value of
3177 __cpp_lib_ranges_enumerate.
3178 * testsuite/std/ranges/adaptors/enumerate/1.cc: New test.
3180 2023-04-12 Patrick Palka <ppalka@redhat.com>
3182 * include/std/ranges (lazy_split_view::_OuterIter::_OuterIter):
3183 Propagate _M_trailing_empty in the const-converting constructor
3185 * testsuite/std/ranges/adaptors/adjacent/1.cc (test04): Correct
3187 * testsuite/std/ranges/adaptors/lazy_split.cc (test12): New test.
3189 2023-04-12 Patrick Palka <ppalka@redhat.com>
3191 * src/c++17/floating_from_chars.cc: Include <algorithm>,
3192 <iterator>, <limits> and <cstdint>.
3194 2023-04-12 Patrick Palka <ppalka@redhat.com>
3197 * include/std/ranges (chunk_by_view::_M_find_next): Generalize
3198 parameter types of the lambda wrapper passed to adjacent_find.
3199 (chunk_by_view::_M_find_prev): Likewise.
3200 * testsuite/std/ranges/adaptors/chunk_by/1.cc (test04, test05):
3203 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
3206 * include/experimental/internet (basic_endpoint::basic_endpoint()):
3207 Ensure that the required union members are active. Only define
3208 as constexpr for C++20 and later.
3209 (basic_endpoint::basic_endpoint(const protocol_type&, port_type)):
3211 * testsuite/experimental/net/internet/endpoint/cons.cc: Only
3212 check constexpr default constructor for C++20 and later.
3213 * testsuite/experimental/net/internet/endpoint/extensible.cc:
3216 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
3218 * src/c++20/tzdata.zi: Import new file from 2023c release.
3220 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
3222 * include/precompiled/stdc++.h (C++17): Don't double-include
3223 <charconv>, once with wrong conditions.
3224 * testsuite/18_support/96817.cc: Require hosted.
3225 * testsuite/18_support/bad_exception/59392.cc: Ditto.
3226 * testsuite/20_util/scoped_allocator/108952.cc: Ditto.
3227 * testsuite/20_util/uses_allocator/lwg3527.cc: Ditto.
3228 * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
3231 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
3233 * include/bits/c++config: When __STDC_HOSTED__ is zero,
3234 disable _GLIBCXX_DEBUG and, if it was set, enable
3235 _GLIBCXX_ASSERTIONS.
3236 * testsuite/lib/libstdc++.exp (check_v3_target_debug_mode):
3237 Include <bits/c++config.h> when determining whether debug is
3238 set, in order to inherit the logic from above
3240 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
3242 * testsuite/17_intro/versionconflict.cc: New test.
3243 * include/std/version: Allow disabling the system_header pragma
3244 via _GLIBCXX_TESTING_SYSHDR.
3246 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
3248 * include/bits/unique_ptr.h (__cpp_lib_constexpr_memory):
3249 Synchronize the definition block with...
3250 * include/bits/ptr_traits.h (__cpp_lib_constexpr_memory):
3251 ... this one here. Also define the 202202L value, rather than
3252 leaving it up to purely unique_ptr.h, so that the value is
3253 synchronized across all headers.
3254 (__gnu_debug::_Safe_iterator_base): Move into new conditional
3256 * include/std/memory (__cpp_lib_atomic_value_initialization):
3257 Define on freestanding under the same conditions as in
3259 * include/std/version (__cpp_lib_robust_nonmodifying_seq_ops):
3260 Also define on freestanding.
3261 (__cpp_lib_to_chars): Ditto.
3262 (__cpp_lib_gcd): Ditto.
3263 (__cpp_lib_gcd_lcm): Ditto.
3264 (__cpp_lib_raw_memory_algorithms): Ditto.
3265 (__cpp_lib_array_constexpr): Ditto.
3266 (__cpp_lib_nonmember_container_access): Ditto.
3267 (__cpp_lib_clamp): Ditto.
3268 (__cpp_lib_constexpr_char_traits): Ditto.
3269 (__cpp_lib_constexpr_string): Ditto.
3270 (__cpp_lib_sample): Ditto.
3271 (__cpp_lib_lcm): Ditto.
3272 (__cpp_lib_constexpr_iterator): Ditto.
3273 (__cpp_lib_constexpr_char_traits): Ditto.
3274 (__cpp_lib_interpolate): Ditto.
3275 (__cpp_lib_constexpr_utility): Ditto.
3276 (__cpp_lib_shift): Ditto.
3277 (__cpp_lib_ranges): Ditto.
3278 (__cpp_lib_move_iterator_concept): Ditto.
3279 (__cpp_lib_constexpr_numeric): Ditto.
3280 (__cpp_lib_constexpr_functional): Ditto.
3281 (__cpp_lib_constexpr_algorithms): Ditto.
3282 (__cpp_lib_constexpr_tuple): Ditto.
3283 (__cpp_lib_constexpr_memory): Ditto.
3285 2023-04-05 John David Anglin <danglin@gcc.gnu.org>
3287 * testsuite/22_locale/locale/cons/12658_thread-2.cc: Double
3288 timeout factor on hppa*-*-*.
3290 2023-04-05 Jonathan Wakely <jwakely@redhat.com>
3292 * include/bits/regex.h (sub_match::swap): New function.
3293 * testsuite/28_regex/sub_match/lwg3204.cc: New test.
3295 2023-04-04 Jonathan Wakely <jwakely@redhat.com>
3297 * doc/xml/manual/extensions.xml: Remove std::bad_exception from
3299 * doc/html/manual/ext_demangling.html: Regenerate.
3301 2023-03-31 Jonathan Wakely <jwakely@redhat.com>
3303 PR tree-optimization/107087
3304 * include/bits/cow_string.h (basic_string::size()): Add
3305 optimizer hint that _S_empty_rep()._M_length is always zero.
3306 (basic_string::length()): Call size().
3308 2023-03-31 Jonathan Wakely <jwakely@redhat.com>
3311 * include/std/stop_token (_Stop_state_ptr(const stop_source&)):
3312 Add attribute access with access-mode 'none'.
3313 * testsuite/30_threads/stop_token/stop_source/109339.cc: New test.
3315 2023-03-31 Jonathan Wakely <jwakely@redhat.com>
3317 * include/experimental/internet (ip::basic_endpoint::_M_if_v6):
3318 Revert change from member function to data member. Fix for
3319 constant evaluation by detecting which union member is active.
3320 (ip::basic_endpoint::resize): Revert changes to update _M_is_v6
3323 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
3326 * testsuite/20_util/optional/monadic/pr109340.cc: Moved to...
3327 * testsuite/20_util/optional/monadic/pr109242.cc: ...here.
3329 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
3331 * include/experimental/internet (ip::make_address): Implement
3333 (ip::address_v4::broadcast()): Avoid undefined shift.
3334 (ip::basic_endpoint): Fix member functions for constexpr.
3335 (ip::basic_endpoint::_M_is_v6): Replace member function with
3336 data member, adjust member functions using it.
3337 (ip::basic_endpoint::resize): Update _M_is_v6 based on sockaddr
3339 * testsuite/experimental/net/internet/address/v4/cons.cc: Fix
3340 constexpr checks to work in C++14.
3341 * testsuite/experimental/net/internet/address/v4/creation.cc:
3343 * testsuite/experimental/net/internet/endpoint/cons.cc:
3345 * testsuite/experimental/net/internet/network/v4/cons.cc:
3347 * testsuite/experimental/net/internet/network/v4/members.cc:
3349 * testsuite/experimental/net/internet/endpoint/extensible.cc: New test.
3351 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
3353 * include/std/expected (expected::value() &): Use const lvalue
3354 for unex member passed to bad_expected_access constructor, as
3357 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
3360 * include/std/expected (expected::transform): Use
3361 std::remove_cv_t instead of std::remove_cvref_t.
3362 (expected::transform_error): Likewise.
3363 (expected<cv void, E>::transform): Likewise.
3364 (expected<cv void, E>::transform_error): Likewise.
3365 * include/std/optional (transform): Use std::remove_cv_t.
3366 * testsuite/20_util/optional/monadic/pr109340.cc: New test.
3368 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
3370 * include/std/optional (optional): Adjust static assertion to
3371 reject arrays and functions as well as references.
3372 * testsuite/20_util/optional/requirements_neg.cc: New test.
3374 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
3377 * include/bits/istream.tcc (istream::_M_extract(ValueT&)): Use
3378 std::use_facet instead of cached _M_num_get facet.
3379 (istream::operator>>(short&)): Likewise.
3380 (istream::operator>>(int&)): Likewise.
3381 * include/bits/ostream.tcc (ostream::_M_insert(ValueT)): Use
3382 std::use_facet instead of cached _M_num_put facet.
3384 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
3386 * include/bits/char_traits.h (char_traits::copy): Return without
3387 using memcpy if n==0.
3388 (char_traits::assign): Likewise for memset.
3390 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
3393 * include/bits/basic_string.h (basic_string::_M_is_local()): Add
3394 hint for compiler that local strings fit in the local buffer.
3396 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
3399 * include/std/chrono (__detail::__get_leap_second_info): Update
3400 expiry date of hardcoded leapseconds list.
3401 * src/c++20/tzdb.cc (tzdb_list::_Node::_S_read_leap_seconds()):
3403 * src/c++20/tzdata.zi: Import new file from 2023a release.
3404 * testsuite/std/time/time_zone/get_info_local.cc: Only check
3405 transitions for Egypt up to 2014.
3407 2023-03-28 Matthias Kretz <m.kretz@gsi.de>
3409 * include/experimental/bits/simd.h (is_simd_flag_type): New.
3410 (_IsSimdFlagType): New.
3411 (copy_from, copy_to, load ctors): Constrain _Flags using
3414 2023-03-28 Matthias Kretz <m.kretz@gsi.de>
3416 * include/experimental/bits/simd_x86.h (_SimdImplX86): Use
3417 _Base::_S_divides if the optimized _S_divides function is hidden
3418 via the preprocessor.
3420 2023-03-27 Jakub Jelinek <jakub@redhat.com>
3422 * testsuite/experimental/net/timer/waitable/dest.cc: Avoid -Wformat
3423 warning if size_t is not unsigned long.
3425 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3427 * include/bits/shared_ptr_atomic.h (atomic::operator=(nullptr_t)):
3428 Add overload, as per LWG 3893.
3429 * testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc:
3430 Check assignment from nullptr.
3432 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3434 * include/std/format (formatter<const charT[N], charT>): Do not
3435 define partial speclialization, as per LWG 3833.
3436 * testsuite/std/format/formatter/requirements.cc: Check it.
3438 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3440 * include/std/utility (__cpp_lib_constexpr_algorithms): Define,
3442 * testsuite/20_util/exchange/constexpr.cc: Check for it.
3444 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3446 * include/std/version (__cpp_lib_format): Define.
3447 * testsuite/std/format/functions/format.cc: Check it.
3449 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3451 * include/bits/basic_string.tcc (basic_string::resize_and_overwrite):
3452 Pass rvalues to the callback, as now allowed by LWG 3645.
3453 Enforce preconditions on the return value.
3454 * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
3457 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3459 * include/std/format: Add a comment noting that the resolution
3460 of LWG 3720 has been applied..
3462 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3464 * include/bits/regex.h (match_results): Add allocator-extended
3465 copy and move constructors, as per LWG 2195.
3466 * testsuite/28_regex/match_results/ctors/char/alloc.cc: New test.
3468 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3470 * include/bits/stream_iterator.h (istream_iterator): Add
3471 constexpr to copy constructor, as per LWG 3600.
3472 * testsuite/24_iterators/istream_iterator/cons/constexpr.cc:
3473 Check copy construction.
3475 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
3477 * include/experimental/bits/simd_x86.h
3478 (_SimdImplX86::_S_divides): Replace test for __GCC_IEC_559 == 0
3479 with __RECIPROCAL_MATH__.
3481 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
3483 * include/experimental/bits/simd_detail.h: Don't define
3484 _GLIBCXX_SIMD_WORKAROUND_PR90993 for Clang.
3485 * include/experimental/bits/simd_x86.h (_S_divides): Remove
3486 check for __clang__.
3488 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
3490 * include/experimental/bits/simd_detail.h: Don't declare the
3491 simd API as constexpr with Clang.
3492 * include/experimental/bits/simd_x86.h (__movm): New.
3493 (_S_blend_avx512): Resolve FIXME. Implement blend using __movm
3495 (_SimdImplX86::_S_masked_unary): Clang does not implement the
3496 same builtins. Implement the function using __movm, ?:, and -
3497 operators on vector_size types instead.
3499 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
3501 * testsuite/experimental/simd/tests/operators.cc: Clang doesn't
3502 define __GCC_IEC_559. Use __STDC_IEC_559__ instead.
3504 2023-03-20 Jonathan Wakely <jwakely@redhat.com>
3506 * src/filesystem/ops-common.h (get_temp_directory_from_env): Fix
3509 2023-03-20 Marek Polacek <polacek@redhat.com>
3512 * testsuite/20_util/pair/cons/explicit_construct.cc: Adjust dg-error.
3513 * testsuite/20_util/tuple/cons/explicit_construct.cc: Likewise.
3514 * testsuite/23_containers/span/explicit.cc: Likewise.
3516 2023-03-20 Jonathan Wakely <jwakely@redhat.com>
3519 * include/std/expected (expected<void>::expected(in_place_t)):
3520 Remove template-head.
3522 2023-03-18 Jonathan Wakely <jwakely@redhat.com>
3525 * testsuite/18_support/coroutines/hash.cc: Use const object
3528 2023-03-17 Jonathan Wakely <jwakely@redhat.com>
3531 * include/std/coroutine (hash<>::operator()): Add const.
3532 * testsuite/18_support/coroutines/hash.cc: New test.
3534 2023-03-14 Patrick Palka <ppalka@redhat.com>
3537 * include/std/ranges (repeat_view): Remove redundant parentheses
3539 (repeat_view::_Iterator): Correct the requires-clause.
3541 2023-03-14 Patrick Palka <ppalka@redhat.com>
3543 * include/bits/stl_iterator.h (move_iterator::_S_iter_concept):
3545 (__cpp_lib_move_iterator_concept): Define for C++20.
3546 (move_iterator::iterator_concept): Strengthen as per P2520R0.
3547 * include/std/version (__cpp_lib_move_iterator_concept): Define
3549 * testsuite/24_iterators/move_iterator/p2520r0.cc: New test.
3551 2023-03-14 Patrick Palka <ppalka@redhat.com>
3553 * include/bits/ranges_util.h (view_interface::empty): Add
3554 preferred overloads that use ranges::size when the range is
3555 sized as per LWG 3715.
3556 * testsuite/std/ranges/adaptors/lwg3715.cc: New test.
3558 2023-03-14 Jonathan Wakely <jwakely@redhat.com>
3560 * include/bits/chrono.h (__is_duration_v, __is_time_point_v):
3561 Only define for C++17 and later.
3563 2023-03-14 Jonathan Wakely <jwakely@redhat.com>
3565 * src/Makefile.am: Add comment about linker script fragments.
3566 * src/Makefile.in: Regenerate.
3568 2023-03-14 Jonathan Wakely <jwakely@redhat.com>
3571 * include/bits/mask_array.h (mask_array): Add assertions to
3572 assignment operators.
3573 * include/std/valarray (valarray::operator[](valarray<bool>)):
3575 * testsuite/26_numerics/valarray/mask-1_neg.cc: New test.
3576 * testsuite/26_numerics/valarray/mask-2_neg.cc: New test.
3577 * testsuite/26_numerics/valarray/mask-3_neg.cc: New test.
3578 * testsuite/26_numerics/valarray/mask-4_neg.cc: New test.
3579 * testsuite/26_numerics/valarray/mask-5_neg.cc: New test.
3580 * testsuite/26_numerics/valarray/mask-6_neg.cc: New test.
3581 * testsuite/26_numerics/valarray/mask-7_neg.cc: New test.
3582 * testsuite/26_numerics/valarray/mask-8_neg.cc: New test.
3583 * testsuite/26_numerics/valarray/mask.cc: New test.
3585 2023-03-13 Jakub Jelinek <jakub@redhat.com>
3587 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
3588 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3590 2023-03-13 Jonathan Wakely <jwakely@redhat.com>
3592 * doc/Makefile.am: Add comment referring to documentation.
3593 * doc/Makefile.in: Regenerate.
3595 2023-03-13 Jonathan Wakely <jwakely@redhat.com>
3597 * doc/html/*: Regenerate.
3599 2023-03-13 Jonny Grant <jg@jguk.org>
3601 * doc/xml/faq.xml: Update copyright year.
3603 2023-03-13 Jonathan Wakely <jwakely@redhat.com>
3605 * include/bits/allocator.h: Fix typo in comment.
3607 2023-03-12 Jakub Jelinek <jakub@redhat.com>
3609 * config/abi/pre/gnu.ver (CXXABI_1.3.14): Also export __bf16 tinfos
3610 if it isn't mangled as DF16b but u6__bf16.
3612 2023-03-12 Gerald Pfeifer <gerald@pfeifer.com>
3614 * doc/xml/manual/documentation_hacking.xml: Move www.graphviz.org
3616 * doc/html/manual/documentation_hacking.html: Regenerate.
3618 2023-03-10 Jonathan Wakely <jwakely@redhat.com>
3621 * python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker):
3622 Remove self-recursion in __init__. Add missing _supports.
3623 * testsuite/libstdc++-xmethods/shared_ptr.cc: Check use_count()
3626 2023-03-09 Patrick Palka <ppalka@redhat.com>
3628 * include/std/ranges
3629 (cartesian_product_view::_Iterator::_Iterator): Remove
3630 constraint on default constructor as per LWG 3849.
3631 (cartesian_product_view::_Iterator::_M_prev): Adjust position
3632 of _Nm > 0 test as per LWG 3820.
3633 (cartesian_product_view::_Iterator::_M_advance): Perform bounds
3634 checking only on sized cartesian products.
3635 * testsuite/std/ranges/cartesian_product/1.cc (test08): New test.
3637 2023-03-09 Patrick Palka <ppalka@redhat.com>
3640 * include/std/ranges (chunk_by_view::_M_pred): Remove DMI as per
3642 (repeat_view::_M_pred): Likewise.
3643 * testsuite/std/ranges/adaptors/chunk_by/1.cc (test03): New test.
3644 * testsuite/std/ranges/repeat/1.cc (test05): New test.
3646 2023-03-09 Patrick Palka <ppalka@redhat.com>
3649 * include/std/ranges (__detail::__can_single_view): New concept.
3650 (_Single::operator()): Constrain it. Move [[nodiscard]] to the
3651 end of the function declarator.
3652 (__detail::__can_iota_view): New concept.
3653 (_Iota::operator()): Constrain it. Move [[nodiscard]] to the
3654 end of the function declarator.
3655 (__detail::__can_istream_view): New concept.
3656 (_Istream::operator()): Constrain it. Move [[nodiscard]] to the
3657 end of the function declarator.
3658 * testsuite/std/ranges/iota/iota_view.cc (test07): New test.
3659 * testsuite/std/ranges/istream_view.cc (test08): New test.
3660 * testsuite/std/ranges/single_view.cc (test07): New test.
3662 2023-03-09 Patrick Palka <ppalka@redhat.com>
3665 * include/std/ranges (cartesian_product_view::end): When
3666 building the tuple of iterators, avoid calling ranges::begin on
3667 the first range if __empty_tail is false.
3668 * testsuite/std/ranges/cartesian_product/1.cc (test07): New test.
3670 2023-03-09 Jonathan Wakely <jwakely@redhat.com>
3673 * config/os/gnu-linux/ldbl-ieee128-extra.ver: Fix incorrect
3676 2023-03-07 Jakub Jelinek <jakub@redhat.com>
3678 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3679 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
3680 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
3681 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
3682 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
3684 2023-03-07 Jonathan Wakely <jwakely@redhat.com>
3687 * config/abi/pre/gnu.ver (GLIBCXX_3.4.31): Adjust patterns to
3688 not match symbols in namespace std::__gnu_cxx11_ieee128.
3689 * config/os/gnu-linux/ldbl-ieee128-extra.ver: Add patterns for
3690 std::__gnu_cxx11_ieee128::money_{get,put}.
3692 2023-03-07 Jonathan Wakely <jwakely@redhat.com>
3694 * libsupc++/eh_personality.cc: Fix spelling in comment.
3696 2023-03-03 Alexandre Oliva <oliva@adacore.com>
3698 * testsuite/30_threads/async/async.cc (test04): Initialize
3699 steady_start, renamed from steady_begin, next to slow_start.
3700 Increase tolerance for final wait.
3702 2023-03-03 Alexandre Oliva <oliva@adacore.com>
3704 * testsuite/libstdc++-prettyprinters/80276.cc: Add
3705 std::string to debug info.
3706 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
3708 2023-03-03 Alexandre Oliva <oliva@adacore.com>
3713 * include/bits/std_thread.h (thread::_M_thread_deps): New
3714 static implicitly-inline member function.
3715 (std::thread template ctor): Pass it to _M_start_thread.
3716 * src/c++11/thread.cc (thread::_M_start_thread): Name depend
3717 parameter, force it live on entry.
3719 2023-03-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3721 * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
3722 * config/abi/post/i386-solaris/amd64/baseline_symbols.txt:
3724 * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
3725 * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
3728 2023-03-01 Jonathan Wakely <jwakely@redhat.com>
3730 * include/bits/cow_string.h: Fix typo in comment.
3732 2023-03-01 Jonathan Wakely <jwakely@redhat.com>
3734 * src/c++20/tzdb.cc (chrono::tzdb::current_zone()) Use "UTC" if
3735 current time zone cannot be determined.
3736 * testsuite/std/time/tzdb/1.cc: Remove conditions based on
3737 HAVE_TZDB macro and test all members unconditionally.
3739 2023-02-28 Jonathan Wakely <jwakely@redhat.com>
3742 * include/bits/uses_allocator_args.h
3743 (uses_allocator_construction_args): Implement LWG 3527.
3744 * testsuite/20_util/pair/astuple/get-2.cc: New test.
3745 * testsuite/20_util/scoped_allocator/108952.cc: New test.
3746 * testsuite/20_util/uses_allocator/lwg3527.cc: New test.
3748 2023-02-28 Jonathan Wakely <jwakely@redhat.com>
3751 * include/bits/stl_algobase.h (__copy_move<false, false, RA>)
3752 Add __assign_one static member function.
3753 (__copy_move<true, false, RA>): Likewise.
3754 (__copy_move<IsMove, true, RA>): Do not use memmove for a single
3756 (__copy_move_backward<IsMove, true, RA>): Likewise.
3757 * testsuite/25_algorithms/copy/108846.cc: New test.
3758 * testsuite/25_algorithms/copy_backward/108846.cc: New test.
3759 * testsuite/25_algorithms/copy_n/108846.cc: New test.
3760 * testsuite/25_algorithms/move/108846.cc: New test.
3761 * testsuite/25_algorithms/move_backward/108846.cc: New test.
3763 2023-02-28 Jonathan Wakely <jwakely@redhat.com>
3765 * src/c++11/codecvt.cc: Add [[likely]] and [[unlikely]]
3768 2023-02-27 Jonathan Wakely <jwakely@redhat.com>
3770 * include/bits/basic_ios.h (basic_ios::_M_setstate): Add
3772 * include/bits/basic_string.h (resize_and_overwrite): Add
3775 2023-02-24 Matthias Kretz <m.kretz@gsi.de>
3777 * include/experimental/bits/simd.h: Line breaks and indenting
3778 fixed to follow the libstdc++ standard.
3779 * include/experimental/bits/simd_builtin.h: Likewise.
3780 * include/experimental/bits/simd_fixed_size.h: Likewise.
3781 * include/experimental/bits/simd_neon.h: Likewise.
3782 * include/experimental/bits/simd_ppc.h: Likewise.
3783 * include/experimental/bits/simd_scalar.h: Likewise.
3784 * include/experimental/bits/simd_x86.h: Likewise.
3786 2023-02-24 Matthias Kretz <m.kretz@gsi.de>
3789 * include/experimental/bits/simd_fixed_size.h
3790 (_SimdImplFixedSize::_S_broadcast): Replace inline with
3791 _GLIBCXX_SIMD_INTRINSIC.
3792 (_SimdImplFixedSize::_S_generate): Likewise.
3793 (_SimdImplFixedSize::_S_load): Likewise.
3794 (_SimdImplFixedSize::_S_masked_load): Likewise.
3795 (_SimdImplFixedSize::_S_store): Likewise.
3796 (_SimdImplFixedSize::_S_masked_store): Likewise.
3797 (_SimdImplFixedSize::_S_min): Likewise.
3798 (_SimdImplFixedSize::_S_max): Likewise.
3799 (_SimdImplFixedSize::_S_complement): Likewise.
3800 (_SimdImplFixedSize::_S_unary_minus): Likewise.
3801 (_SimdImplFixedSize::_S_plus): Likewise.
3802 (_SimdImplFixedSize::_S_minus): Likewise.
3803 (_SimdImplFixedSize::_S_multiplies): Likewise.
3804 (_SimdImplFixedSize::_S_divides): Likewise.
3805 (_SimdImplFixedSize::_S_modulus): Likewise.
3806 (_SimdImplFixedSize::_S_bit_and): Likewise.
3807 (_SimdImplFixedSize::_S_bit_or): Likewise.
3808 (_SimdImplFixedSize::_S_bit_xor): Likewise.
3809 (_SimdImplFixedSize::_S_bit_shift_left): Likewise.
3810 (_SimdImplFixedSize::_S_bit_shift_right): Likewise.
3811 (_SimdImplFixedSize::_S_remquo): Add inline keyword (to be
3812 explicit about not always-inline, yet).
3813 (_SimdImplFixedSize::_S_isinf): Likewise.
3814 (_SimdImplFixedSize::_S_isfinite): Likewise.
3815 (_SimdImplFixedSize::_S_isnan): Likewise.
3816 (_SimdImplFixedSize::_S_isnormal): Likewise.
3817 (_SimdImplFixedSize::_S_signbit): Likewise.
3819 2023-02-24 Matthias Kretz <m.kretz@gsi.de>
3822 * include/experimental/bits/simd_builtin.h
3823 (_SimdImplBuiltin::_S_masked_unary): More efficient
3824 implementation of masked inc-/decrement for integers and floats
3826 * include/experimental/bits/simd_x86.h
3827 (_SimdImplX86::_S_masked_unary): New. Use AVX512 masked subtract
3828 builtins for masked inc-/decrement.
3830 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3832 * include/experimental/executor (executor): Constrain template
3835 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3837 * include/experimental/internet (basic_endpoint): Add missing
3838 constexpr to comparison operators.
3839 * testsuite/experimental/net/internet/endpoint/cons.cc: New test.
3841 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3843 * include/experimental/internet (network_v4::netmask()): Avoid
3845 (network_v4::broadcast()): Optimize and fix for targets with
3846 uint_least32_t wider than 32 bits.
3847 (network_v4::to_string(const Allocator&)): Fix for custom
3848 allocators and optimize using to_chars.
3849 (operator==(const network_v4&, const network_v4&)): Add missing
3851 (operator==(const network_v6&, const network_v6&)): Likewise.
3852 * testsuite/experimental/net/internet/network/v4/cons.cc: New test.
3853 * testsuite/experimental/net/internet/network/v4/members.cc: New test.
3855 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3857 * include/experimental/internet (address_4(const bytes_type&)):
3858 Use __builtin_bit_cast if available, otherwise convert to
3860 (address_v4::to_bytes()): Likewise, but convert from network
3862 * testsuite/experimental/net/internet/address/v4/cons.cc: Fix
3863 incorrect tests. Check for constexpr too.
3864 * testsuite/experimental/net/internet/address/v4/creation.cc:
3866 * testsuite/experimental/net/internet/address/v4/members.cc:
3867 Check that bytes_type is a standard-layout type.
3869 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3871 * include/experimental/internet (address_v4::to_string):
3873 * testsuite/experimental/net/internet/address/v4/members.cc:
3874 Check more addresses.
3876 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3878 * include/ext/aligned_buffer.h (__aligned_buffer): Add
3881 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3883 * testsuite/std/format/arguments/lwg3810.cc: Move dg-options
3886 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3888 * testsuite/experimental/simd/tests/reductions.cc: Introduce
3889 max_distance as the type-dependent max error.
3891 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3893 * include/experimental/bits/simd_builtin.h (_S_set): Compare as
3894 int. The actual range of these indexes is very small.
3896 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3898 * include/experimental/bits/simd_x86.h (_S_bit_shift_left)
3899 (_S_bit_shift_right): Declare constexpr. The implementation was
3900 already expecting constexpr evaluation.
3902 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3905 * include/experimental/bits/simd_detail.h
3906 (_GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA): Define as empty for
3909 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3912 * include/experimental/bits/simd.h (__vector_broadcast):
3913 Implement via __vector_broadcast_impl instead of
3914 __call_with_n_evaluations + 2 lambdas.
3915 (__vector_broadcast_impl): New.
3917 2023-02-22 Alexandre Oliva <oliva@adacore.com>
3919 * src/c++11/shared_ptr.cc (__gnu_internal::get_mutex):
3920 Avoid destruction of the mutex pool.
3922 2023-02-22 Alexandre Oliva <oliva@adacore.com>
3924 * testsuite/27_io/basic_ofstream/open/char/noreplace.cc: xfail
3926 * testsuite/27_io/basic_ofstream/open/wchar_t/noreplace.cc:
3929 2023-02-22 Alexandre Oliva <oliva@adacore.com>
3931 * testsuite/17_intro/names.cc: Undef func on vxworks >= 7 in
3934 2023-02-20 Andreas Schwab <schwab@linux-m68k.org>
3936 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
3938 2023-02-20 Matthias Kretz <m.kretz@gsi.de>
3940 * include/experimental/bits/simd.h (__extract_part, split):
3941 Use reserved name for template parameter.
3943 2023-02-20 Andreas Schwab <schwab@suse.de>
3945 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3947 2023-02-18 Gerald Pfeifer <gerald@pfeifer.com>
3949 * doc/xml/faq.xml: Switch two links to www.open-std.org to https.
3950 * doc/html/faq.html: Regenerate.
3952 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3954 * include/experimental/bits/simd_math.h (__hypot): Bitcasting
3955 between scalars requires the __bit_cast helper function instead
3958 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3960 * include/experimental/bits/simd_x86.h
3961 (_SimdImplX86::_S_not_equal_to, _SimdImplX86::_S_less)
3962 (_SimdImplX86::_S_less_equal): Do not call
3963 __builtin_is_constant_evaluated in constexpr-if.
3965 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3967 * testsuite/experimental/simd/tests/bits/verify.h
3968 (verify::verify): Use %zx for size_t in format string.
3970 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3972 * testsuite/experimental/simd/generate_makefile.sh: Generate and
3973 pre-compile pch.h, which includes all headers that do not depend
3974 on command-line macros.
3975 * testsuite/experimental/simd/tests/bits/main.h: New file.
3976 (iterate_abis, main): Moved from verify.h.
3977 * testsuite/experimental/simd/tests/bits/verify.h
3978 (iterate_abis, main): Moved to main.h.
3979 * testsuite/experimental/simd/tests/bits/conversions.h: Add
3981 (genHalfBits): Simplify.
3982 * testsuite/experimental/simd/tests/bits/make_vec.h: Add include
3984 (make_alternating_mask): Moved from mask_loadstore.
3985 * testsuite/experimental/simd/tests/bits/mathreference.h: Add
3987 * testsuite/experimental/simd/tests/bits/test_values.h: Ditto.
3988 * testsuite/experimental/simd/tests/mask_loadstore.cc
3989 (make_mask, make_alternating_mask): Removed.
3990 * testsuite/experimental/simd/tests/mask_reductions.cc: Ditto.
3991 * testsuite/experimental/simd/tests/operators.cc (genHalfBits):
3993 * testsuite/experimental/simd/tests/abs.cc: Only include
3996 * testsuite/experimental/simd/tests/algorithms.cc: Ditto.
3997 * testsuite/experimental/simd/tests/broadcast.cc: Ditto.
3998 * testsuite/experimental/simd/tests/casts.cc: Ditto.
3999 * testsuite/experimental/simd/tests/fpclassify.cc: Ditto.
4000 * testsuite/experimental/simd/tests/frexp.cc: Ditto.
4001 * testsuite/experimental/simd/tests/generator.cc: Ditto.
4002 * testsuite/experimental/simd/tests/hypot3_fma.cc: Ditto.
4003 * testsuite/experimental/simd/tests/integer_operators.cc: Ditto.
4004 * testsuite/experimental/simd/tests/ldexp_scalbn_scalbln_modf.cc:
4005 * testsuite/experimental/simd/tests/loadstore.cc: Ditto.
4006 * testsuite/experimental/simd/tests/logarithm.cc: Ditto.
4007 * testsuite/experimental/simd/tests/mask_broadcast.cc: Ditto.
4008 * testsuite/experimental/simd/tests/mask_conversions.cc: Ditto.
4009 * testsuite/experimental/simd/tests/mask_implicit_cvt.cc: Ditto.
4010 * testsuite/experimental/simd/tests/mask_operator_cvt.cc: Ditto.
4011 * testsuite/experimental/simd/tests/mask_operators.cc: Ditto.
4012 * testsuite/experimental/simd/tests/math_1arg.cc: Ditto.
4013 * testsuite/experimental/simd/tests/math_2arg.cc: Ditto.
4014 * testsuite/experimental/simd/tests/operator_cvt.cc: Ditto.
4015 * testsuite/experimental/simd/tests/reductions.cc: Ditto.
4016 * testsuite/experimental/simd/tests/remqo.cc: Ditto.
4017 * testsuite/experimental/simd/tests/simd.cc: Ditto.
4018 * testsuite/experimental/simd/tests/sincos.cc: Ditto.
4019 * testsuite/experimental/simd/tests/split_concat.cc: Ditto.
4020 * testsuite/experimental/simd/tests/splits.cc: Ditto.
4021 * testsuite/experimental/simd/tests/trigonometric.cc: Ditto.
4022 * testsuite/experimental/simd/tests/trunc_ceil_floor.cc: Ditto.
4023 * testsuite/experimental/simd/tests/where.cc: Ditto.
4025 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
4027 * testsuite/experimental/simd/README.md: Document the timeout
4028 and timeout-factor directives. Minor typo fixed.
4030 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
4033 * include/experimental/bits/simd_detail.h: Define
4034 _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA.
4035 * include/experimental/bits/simd.h: Annotate lambdas with
4036 _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA.
4037 * include/experimental/bits/simd_builtin.h: Ditto.
4038 * include/experimental/bits/simd_converter.h: Ditto.
4039 * include/experimental/bits/simd_fixed_size.h: Ditto.
4040 * include/experimental/bits/simd_math.h: Ditto.
4041 * include/experimental/bits/simd_neon.h: Ditto.
4042 * include/experimental/bits/simd_x86.h: Ditto.
4044 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
4046 * include/experimental/bits/simd.h
4047 (_SimdWrapper::_M_is_constprop_none_of)
4048 (_SimdWrapper::_M_is_constprop_all_of): Return false unless the
4049 computed result still satisfies __builtin_constant_p.
4051 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
4053 * testsuite/std/format/arguments/lwg3810.cc: Replace UTF-8
4056 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
4058 * include/Makefile.am: Add new header.
4059 * include/Makefile.in: Regenerate.
4060 * include/experimental/synchronized_value: New file.
4061 * testsuite/experimental/synchronized_value.cc: New test.
4063 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
4065 * include/experimental/optional: Fix header name in comment.
4067 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
4069 * include/std/format (__format::_Arg_store): New class template.
4070 (basic_format_args): Remove nested type _Store and add deduction
4071 guide from _Arg_store.
4072 (basic_format_arg, make_format_args): Adjust.
4073 * testsuite/std/format/arguments/lwg3810.cc: New test.
4075 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
4077 * include/bits/stl_pair.h (pair) [C++20]: Add non-dangling
4078 constraints to constructors and add deleted overloads for the
4079 dangling cases, as per P2255R2.
4080 (pair) [!C++20 && _GLIBCXX_DEBUG]: Add static assertions to
4081 make dangling cases ill-formed.
4082 * testsuite/20_util/pair/dangling_ref.cc: New test.
4084 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
4086 * testsuite/17_intro/names_pstl.cc: Require et tbb_backend.
4088 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
4090 * include/ext/throw_allocator.h: Use reserved names for
4093 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
4095 * testsuite/17_intro/names_pstl.cc: Add space after effective
4098 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
4100 * include/pstl/algorithm_fwd.h (__pattern_search_n)
4101 (__brick_unique_copy, __brick_adjacent_find)
4102 (__brick_generate_n, __pattern_generate_n): Use reserved names
4104 * include/pstl/algorithm_impl.h (__brick_unique_copy)
4105 (__pattern_reverse, __brick_generate_n): Likewise.
4106 * include/pstl/execution_impl.h (__prefer_unsequenced_tag)
4107 (__prefer_parallel_tag): Likewise.
4108 * include/pstl/glue_algorithm_impl.h (transform): Likewise.
4109 * include/pstl/glue_numeric_defs.h (adjacent_difference):
4111 * include/pstl/numeric_impl.h (__brick_adjacent_difference):
4113 * include/pstl/parallel_backend_tbb.h (__merge_func): Likewise.
4114 * include/pstl/unseq_backend_simd.h (_Combiner)
4115 (__simd_min_element, __simd_minmax_element): Likewise.
4116 * testsuite/17_intro/names_pstl.cc: New test.
4118 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
4120 * include/bits/fs_ops.h (create_directory): Use reserved name
4122 * include/bits/ranges_algo.h (__contains_subrange_fn):
4124 * include/bits/regex_automaton.h (_State_base::_M_print):
4126 * include/bits/regex_automaton.tcc(_State_base::_M_print):
4128 * include/bits/regex_scanner.tcc(_Scanner::_M_print): Likewise.
4129 * include/experimental/bits/fs_ops.h (create_directory):
4131 * include/std/mutex (timed_mutex::_M_clocklock): Likewise.
4132 (recursive_timed_mutex:_M_clocklock): Likewise.
4133 * include/std/tuple (basic_common_reference): Likewise.
4134 * libsupc++/cxxabi_init_exception.h
4135 (__cxa_init_primary_exception): Likewise.
4136 * testsuite/17_intro/names.cc: Add checks.
4138 2023-02-14 Gerald Pfeifer <gerald@pfeifer.com>
4140 * doc/xml/manual/status_cxx2017.xml: Update an open-std.org link
4141 to www.open-std.org and https.
4142 * doc/html/manual/status.html: Regenerate.
4144 2023-02-14 Thomas W Rodgers <rodgert@twrodgers.com>
4147 * include/std/atomic (atomic_flag_wait): Add.
4148 (atomic_flag_wait_explicit): Add.
4149 (atomic_flag_notify): Add.
4150 (atomic_flag_notify_explicit): Add.
4151 * testsuite/29_atomics/atomic_flag/wait_notify/1.cc:
4152 Add test case to cover missing atomic_flag free functions.
4154 2023-02-14 Thomas W Rodgers <rodgert@twrodgers.com>
4157 * include/std/atomic (atomic_flag_test): Add.
4158 (atomic_flag_test_explicit): Add.
4159 * testsuite/29_atomics/atomic_flag/test/explicit.cc: Add
4160 test case to cover missing atomic_flag free functions.
4161 * testsuite/29_atomics/atomic_flag/test/implicit.cc:
4164 2023-02-13 Gerald Pfeifer <gerald@pfeifer.com>
4166 * doc/xml/manual/policy_data_structures_biblio.xml: Adjust
4167 "The Component Object Model" reference.
4168 * doc/html/manual/policy_data_structures.html: Regenerate.
4170 2023-02-12 Gerald Pfeifer <gerald@pfeifer.com>
4172 * doc/xml/manual/containers.xml: Tweak a link to N1780
4174 * doc/html/manual/associative.html: Regenerate.
4176 2023-02-12 Gerald Pfeifer <gerald@pfeifer.com>
4178 * doc/xml/manual/ctype.xml: Change www.unix.org to unix.org.
4179 * doc/html/manual/facets.html: Regenerate.
4181 2023-02-11 Gerald Pfeifer <gerald@pfeifer.com>
4183 * doc/xml/manual/policy_data_structures_biblio.xml: Update
4184 link to "Worst-case efficient priority queues".
4185 * doc/html/manual/policy_data_structures.html: Regenerate.
4187 2023-02-06 Arsen Arsenović <arsen@aarsen.me>
4189 * doc/xml/manual/using.xml: Document newly-freestanding
4190 headers and the effect of the -ffreestanding flag.
4191 * doc/xml/manual/status_cxx2023.xml: Document P1642R11 as
4193 * doc/xml/manual/configure.xml: Document that hosted installs
4194 respect __STDC_HOSTED__.
4195 * doc/xml/manual/test.xml: Document how to run tests in
4197 * doc/html/*: Regenerate.
4199 2023-02-06 Jonathan Wakely <jwakely@redhat.com>
4201 * include/bits/ranges_algo.h (__find_last_fn): Rename T to _Tp.
4202 (__find_last_if_fn): Likewise.
4204 2023-02-06 Jonathan Wakely <jwakely@redhat.com>
4206 * include/std/type_traits: Add diagnostic pragmas around
4207 references to deprecated std::aligned_storage and
4208 std::aligned_union traits.
4209 * testsuite/20_util/aligned_storage/requirements/alias_decl.cc:
4210 Add dg-warning for et c++23.
4211 * testsuite/20_util/aligned_storage/requirements/explicit_instantiation.cc:
4213 * testsuite/20_util/aligned_storage/value.cc: Likewise.
4214 * testsuite/20_util/aligned_union/1.cc: Likewise.
4215 * testsuite/20_util/aligned_union/requirements/alias_decl.cc:
4218 2023-02-06 Nathaniel Shead <nathanieloshead@gmail.com>
4220 * doc/doxygen/user.cfg.in (PREDEFINED): Add new macros.
4221 * include/bits/c++config (_GLIBCXX23_DEPRECATED)
4222 (_GLIBCXX23_DEPRECATED_SUGGEST): New macros.
4223 * include/std/type_traits (aligned_storage, aligned_union)
4224 (aligned_storage_t, aligned_union_t): Deprecate for C++23.
4225 * testsuite/20_util/aligned_storage/deprecated-2b.cc: New test.
4226 * testsuite/20_util/aligned_union/deprecated-2b.cc: New test.
4228 2023-02-06 Nathaniel Shead <nathanieloshead@gmail.com>
4230 * doc/doxygen/user.cfg.in (PREDEFINED): Update macros.
4231 * include/bits/c++config (_GLIBCXX20_DEPRECATED): Make
4232 consistent with other 'deprecated' macros.
4233 * include/std/type_traits (is_pod, is_pod_v): Use
4234 _GLIBCXX20_DEPRECATED_SUGGEST instead.
4236 2023-02-06 Arsen Arsenović <arsen@aarsen.me>
4238 * Makefile.am [!_GLIBCXX_HOSTED]: Enable src/ subdirectory.
4239 * Makefile.in: Regenerate.
4240 * src/Makefile.am [!_GLIBCXX_HOSTED]: Omit compatibility files.
4241 There's no history to be compatible with.
4242 * src/c++11/Makefile.am [!_GLIBCXX_HOSTED]: Omit hosted-only
4243 source files from the build.
4244 * src/c++17/Makefile.am [!_GLIBCXX_HOSTED]: Likewise.
4245 * src/c++20/Makefile.am [!_GLIBCXX_HOSTED]: Likewise.
4246 * src/c++98/Makefile.am [!_GLIBCXX_HOSTED]: Likewise.
4247 * src/Makefile.in: Regenerate.
4248 * src/c++11/Makefile.in: Regenerate.
4249 * src/c++17/Makefile.in: Regenerate.
4250 * src/c++20/Makefile.in: Regenerate.
4251 * src/c++98/Makefile.in: Regenerate.
4253 2023-02-06 Jonathan Wakely <jwakely@redhat.com>
4255 * src/Makefile.am [GLIBCXX_HOSTED] (SUBDIRS): Do not add
4256 filesystem, libbacktrace and experimental.
4257 * src/Makefile.in: Regenerate.
4259 2023-02-04 Hans-Peter Nilsson <hp@axis.com>
4262 * include/pstl/unseq_backend_simd.h (__simd_or): Use __INT32_TYPE__
4265 2023-02-04 Gerald Pfeifer <gerald@pfeifer.com>
4267 * doc/xml/manual/documentation_hacking.xml: Adjust link to pdftex.
4268 * doc/html/manual/documentation_hacking.html: Regenerate.
4270 2023-02-04 François Dumont <fdumont@gcc.gnu.org>
4272 * include/bits/basic_string.h (operator=(basic_string&&)): Transfer move-to
4273 storage to the move-from instance when allocators are equal.
4274 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc (test04):
4277 2023-02-03 Samuel Thibault <samuel.thibault@gnu.org>
4279 * config/os/gnu-linux/os_defines.h [!__linux__]
4280 (_GLIBCXX_NATIVE_THREAD_ID, _GLIBCXX_GTHREAD_USE_WEAK): Do not define.
4282 2023-02-03 Patrick Palka <ppalka@redhat.com>
4284 * include/bits/ranges_algo.h (__find_last_fn, find_last):
4286 (__find_last_if_fn, find_last_if): Define.
4287 (__find_last_if_not_fn, find_last_if_not): Define.
4288 * testsuite/25_algorithms/find_last/1.cc: New test.
4289 * testsuite/25_algorithms/find_last_if/1.cc: New test.
4290 * testsuite/25_algorithms/find_last_if_not/1.cc: New test.
4292 2023-02-03 Patrick Palka <ppalka@redhat.com>
4294 * include/bits/ranges_algo.h (out_value_result): Define.
4295 (iota_result): Define.
4296 (__iota_fn, iota): Define.
4297 * testsuite/25_algorithms/iota/1.cc: New test.
4299 2023-02-03 Patrick Palka <ppalka@redhat.com>
4301 * include/bits/ranges_algo.h (__contains_fn, contains): Define.
4302 (__contains_subrange_fn, contains_subrange): Define.
4303 * testsuite/25_algorithms/contains/1.cc: New test.
4304 * testsuite/25_algorithms/contains_subrange/1.cc: New test.
4306 2023-02-02 Gerald Pfeifer <gerald@pfeifer.com>
4308 * doc/xml/manual/abi.xml: Tweak link to ABIcheck project.
4309 * doc/html/manual/abi.html: Regenerate.
4311 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
4313 * src/filesystem/ops-common.h [AVR] (__unsupported): Always use
4314 errc::function_not_supported instead of errc::not_supported.
4316 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
4318 * include/std/sstream (basic_stringbuf::view): Define for old
4320 (basic_istringstream::view, basic_0stringstream::view)
4321 (basic_stringstream::view): Likewise.
4322 * testsuite/27_io/basic_istringstream/view/char/1.cc: Remove
4323 { dg-require-effective-target cxx11_abi }.
4324 * testsuite/27_io/basic_istringstream/view/wchar_t/1.cc:
4326 * testsuite/27_io/basic_ostringstream/view/char/1.cc: Likewise.
4327 * testsuite/27_io/basic_ostringstream/view/wchar_t/1.cc:
4329 * testsuite/27_io/basic_stringbuf/view/char/1.cc: Likewise.
4330 * testsuite/27_io/basic_stringbuf/view/wchar_t/1.cc: Likewise.
4331 * testsuite/27_io/basic_stringstream/view/char/1.cc: Likewise.
4332 * testsuite/27_io/basic_stringstream/view/wchar_t/1.cc:
4335 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
4338 * config/abi/pre/gnu.ver (GLIBCXX_3.4.31): Export shared_ptr
4339 conversion operators for directory iterator comparisons with
4340 std::default_sentinel_t.
4341 * include/bits/fs_path.h (path::path(string_view, _Type))
4342 (path::_Cmpt::_Cmpt(string_view, _Type, size_t)): Move inline
4344 * src/c++17/fs_path.cc: ... here.
4345 * testsuite/27_io/filesystem/path/108636.cc: New test.
4347 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
4349 * include/std/variant (variant::operator=): Implement resolution
4351 * testsuite/20_util/variant/lwg3585.cc: New test.
4353 2023-02-02 Gerald Pfeifer <gerald@pfeifer.com>
4355 * doc/xml/manual/using_exceptions.xml: Update a www.open-std.org
4357 * doc/html/manual/using_exceptions.html: Regenerate.
4359 2023-02-02 Gerald Pfeifer <gerald@pfeifer.com>
4361 * doc/xml/manual/debug.xml: Fix link to online GDB manual.
4362 * doc/html/manual/debug.html: Regenerate.
4364 2023-02-01 Jonathan Wakely <jwakely@redhat.com>
4366 * src/c++11/random.cc (random_device::_M_fini): Do not try to
4367 close the file handle if the target doesn't support the
4368 /dev/random and /dev/urandom files.
4370 2023-02-01 Jonathan Wakely <jwakely@redhat.com>
4372 * config/os/generic/error_constants.h (errc::value_too_large)
4374 * src/c++11/system_error.cc
4375 (system_category::default_error_condition) [__AVR__]: Only match
4376 recognize values equal to EDOM, ERANGE, ENOSYS and EINTR.
4377 * src/c++17/fs_ops.cc (fs::current_path) [__AVR__]: Do not check
4378 for ENOENT etc. in switch.
4379 (fs::remove_all) [__AVR__]: Likewise.
4380 * src/filesystem/ops-common.h [__AVR__]: Do not use POSIX open,
4383 2023-02-01 Jonathan Wakely <jwakely@redhat.com>
4385 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR) [avr-*-*, msp430-*-*]: Set
4387 * configure: Regenerate.
4389 2023-02-01 Hans-Peter Nilsson <hp@axis.com>
4392 * testsuite/std/time/hh_mm_ss/1.cc (size): Add empty
4393 struct at end of S0.
4395 2023-01-30 Gerald Pfeifer <gerald@pfeifer.com>
4397 * doc/xml/manual/shared_ptr.xml: Move links from both
4398 http://open-std.org and http://www.open-std.org to
4399 https://www.open-std.org.
4400 * doc/html/manual/memory.html: Regenerate.
4402 2023-01-28 Gerald Pfeifer <gerald@pfeifer.com>
4404 * doc/xml/manual/appendix_contributing.xml: Adjust link to
4405 ISO C++ standard at ANSI.
4406 Move link to www.open-std.org to https.
4407 * doc/html/manual/appendix_contributing.html: Regenerate.
4409 2023-01-28 Gerald Pfeifer <gerald@pfeifer.com>
4411 * doc/xml/manual/documentation_hacking.xml: Move sourceforge.net
4413 * doc/html/manual/documentation_hacking.html: Regenerate.
4415 2023-01-28 Gerald Pfeifer <gerald@pfeifer.com>
4417 * doc/xml/manual/abi.xml: Update www.open-std.org link to https.
4418 * doc/html/manual/abi.html: Regenerate.
4420 2023-01-27 Jakub Jelinek <jakub@redhat.com>
4423 * testsuite/17_intro/names.cc (__unused): For linux or GNU hurd
4424 include features.h if present and then check __GLIBC__ and
4425 __GLIBC_MINOR__ macros for glibc prior to 2.19, instead of testing
4426 __GLIBC_PREREQ which isn't defined yet.
4428 2023-01-27 Jonathan Wakely <jwakely@redhat.com>
4430 * src/c++20/tzdb.cc (tzdata_stream): Use constant instead of
4433 2023-01-27 Jonathan Wakely <jwakely@redhat.com>
4436 * testsuite/23_containers/map/modifiers/108554.cc: Use dg-bogus.
4438 2023-01-26 Jonathan Wakely <jwakely@redhat.com>
4440 * src/c++20/tzdb.cc (operator>>(istream&, ZoneInfo&)): Allow
4441 rules named "+" for compatibility with older tzdata.zi files.
4443 2023-01-26 Jonathan Wakely <jwakely@redhat.com>
4446 * include/bits/stl_tree.h (_Rb_tree_insert_and_rebalance): Add
4448 (_Rb_tree_rebalance_for_erase): Add nonnull and returns_nonnull
4450 * testsuite/23_containers/map/modifiers/108554.cc: New test.
4452 2023-01-26 Jonathan Wakely <jwakely@redhat.com>
4455 * src/c++20/tzdb.cc (current_zone): Look for TIMEZONE or ZONE in
4456 /etc/sysconfig/clock, not DEFAULT_TIMEZONE.
4458 2023-01-26 Gerald Pfeifer <gerald@pfeifer.com>
4460 * doc/xml/manual/intro.xml: Update links to www.open-std.org to
4462 * doc/html/manual/bugs.html: Regenerate.
4464 2023-01-24 Jonathan Wakely <jwakely@redhat.com>
4467 * src/c++20/tzdb.cc (current_zone): Look for DEFAULT_TIMEZONE in
4468 /etc/sysconfig/clock.
4470 2023-01-24 Jonathan Wakely <jwakely@redhat.com>
4473 * include/bits/ranges_base.h: Include <bits/stl_iterator.h> for
4474 std::make_reverse_iterator.
4475 * include/std/tuple: Include <bits/ranges_util.h> for subrange.
4476 (make_from_tuple): Add static assertion from P2255 to diagnose
4477 dangling references.
4478 * testsuite/20_util/tuple/make_from_tuple/dangling_ref.cc: New test.
4479 * testsuite/20_util/tuple/make_from_tuple/tuple_like.cc: New test.
4481 2023-01-23 François Dumont <fdumont@gcc.gnu.org>
4483 * include/debug/safe_iterator.h (_Safe_iterator<>::_Unchecked): New.
4484 (_Safe_iterator(const _Safe_iterator&, _Unchecked)): New.
4485 (_Safe_iterator::operator++(int)): Use latter.
4486 (_Safe_iterator::operator--(int)): Likewise.
4487 (_Safe_iterator(_Iterator, const _Safe_sequence_base*)): Remove !_M_insular()
4489 * include/debug/safe_local_iterator.h (_Safe_local_iterator<>::_Unchecked):
4491 (_Safe_local_iterator(const _Safe_local_iterator&, _Unchecked)): New.
4492 (_Safe_local_iterator::operator++(int)): Use latter.
4493 * src/c++11/debug.cc (_S_debug_messages): Add as comment the _Debug_msg_id
4494 entry associated to the array entry.
4496 2023-01-18 Jonathan Wakely <jwakely@redhat.com>
4498 * include/bits/fs_path.h (u8path): Add deprecated attribute.
4499 * testsuite/27_io/filesystem/path/construct/90281.cc: Add
4500 -Wno-deprecated-declarations for C++20 and later.
4501 * testsuite/27_io/filesystem/path/factory/u8path-char8_t.cc:
4503 * testsuite/27_io/filesystem/path/factory/u8path.cc: Likewise.
4504 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
4505 * testsuite/27_io/filesystem/path/factory/u8path-depr.cc: New test.
4507 2023-01-18 Jonathan Wakely <jwakely@redhat.com>
4509 * include/bits/random.h (random_device) [!_GLIBCXX_USE_DEV_RANDOM]:
4510 Always call _M_fini and _M_getentropy.
4512 2023-01-18 Gerald Pfeifer <gerald@pfeifer.com>
4514 * doc/xml/manual/policy_data_structures_biblio.xml: Adjust links
4515 to www.open-std.org to use https.
4516 (COM: Component Model Object Technologies): Rename from...
4517 (The Component Object Model): ...to.
4518 * doc/html/manual/policy_data_structures.html: Regenerate.
4520 2023-01-18 Dimitrij Mijoski <dmjpp@hotmail.com>
4522 * testsuite/22_locale/codecvt/codecvt_unicode.cc: Simplify.
4523 * testsuite/22_locale/codecvt/codecvt_unicode.h: Simplify.
4524 * testsuite/22_locale/codecvt/codecvt_unicode_wchar_t.cc: Simplify.
4526 2023-01-17 Jonathan Wakely <jwakely@redhat.com>
4528 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Check $target_os instead
4529 of $host. Fix check for file being present during native build.
4530 * configure: Regenerate.
4532 2023-01-17 Martin Liska <mliska@suse.cz>
4534 * src/libbacktrace/Makefile.in: Regenerate.
4536 2023-01-16 Jonathan Wakely <jwakely@redhat.com>
4538 * src/c++20/tzdb.cc (_GLIBCXX_USE_CXX11_ABI): Define to 1.
4540 2023-01-16 Jonathan Wakely <jwakely@redhat.com>
4543 * include/c_compatibility/stdatomic.h: Change copyright line to
4544 be consistent with other headers contributed under DCO terms.
4545 * include/std/expected: Add full stop to copyright line.
4546 * src/c++20/tzdb.cc: Likewise.
4548 2023-01-15 Gerald Pfeifer <gerald@pfeifer.com>
4550 * doc/xml/manual/status_cxx2014.xml: Switch www.open-std.org to
4552 * doc/xml/manual/status_cxx2017.xml: Ditto.
4553 * doc/xml/manual/status_cxx2020.xml: Ditto.
4554 * doc/xml/manual/status_cxx2023.xml: Ditto.
4555 * doc/html/manual/status.html: Regenerate.
4557 2023-01-15 Jonathan Wakely <jwakely@redhat.com>
4559 * testsuite/std/time/tzdb_list/1.cc: Remove dg-xfail-run-if
4560 and fail gracefully if defining the weak symbol doesn't work.
4562 2023-01-15 François Dumont <fdumont@gcc.gnu.org>
4565 * include/debug/safe_iterator.h (_Safe_iterator<>::operator++(int)): Extend deadlock
4566 fix to other iterator category.
4567 (_Safe_iterator<>::operator--(int)): Likewise.
4568 * include/debug/safe_local_iterator.h (_Safe_local_iterator<>::operator++(int)):
4570 * testsuite/util/debug/unordered_checks.h (invalid_local_iterator_pre_increment): New.
4571 (invalid_local_iterator_post_increment): New.
4572 * testsuite/23_containers/unordered_map/debug/invalid_local_iterator_post_increment_neg.cc:
4574 * testsuite/23_containers/unordered_map/debug/invalid_local_iterator_pre_increment_neg.cc:
4577 2023-01-15 Jonathan Wakely <jwakely@redhat.com>
4579 * testsuite/30_threads/jthread/jthread.cc: Remove -pthread from
4582 2023-01-15 Jonathan Wakely <jwakely@redhat.com>
4584 * testsuite/std/time/clock/utc/io.cc: Use ctype to widen char.
4586 2023-01-14 Björn Schäpers <bjoern@hazardy.de>
4588 * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Add check for
4589 windows.h. Add pecoff as FORMAT_FILE.
4590 * config.h.in: Regenerate.
4591 * configure: Regenerate.
4592 * src/libbacktrace/Makefile.am: Regenerate.
4593 * src/libbacktrace/Makefile.in: Add pecoff.c as FORMAT_FILE.
4595 2023-01-14 Björn Schäpers <bjoern@hazardy.de>
4597 * include/std/stacktrace (stacktrace_entry::_S_demangle): Use
4598 raw __name if __cxa_demangle could not demangle it.
4600 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
4603 * src/c++20/tzdb.cc (current_zone()) [_AIX]: Use TZ environment
4606 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
4608 * src/c++20/tzdb.cc (TZDB_DISABLED): Disable all code for
4610 * testsuite/std/time/tzdb/leap_seconds.cc: Require tzdb
4612 * testsuite/std/time/tzdb_list/1.cc: Likewise.
4614 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
4616 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Replace the
4617 --with-libstdcxx-zoneinfo-dir configure option with
4618 --with-libstdcxx-zoneinfo with yes/no/static choices as well as
4620 * config.h.in: Regenerate.
4621 * configure: Regenerate.
4622 * doc/xml/manual/configure.xml: Document configure option.
4623 * doc/html/manual/configure.html: Regenerate.
4624 * src/c++20/Makefile.am: Generate tzdata.zi.h header.
4625 * src/c++20/Makefile.in: Regenerate.
4626 * src/c++20/tzdb.cc (__gnu_cxx::zoneinfo_dir_override): Return a
4627 null pointer if no directory is configured.
4628 (zoneinfo_dir): Replace with ...
4629 (zoneinfo_file): New function.
4630 (tzdata_stream): New istream class.
4631 (remote_version, reload_tzdb): Use tzdata_stream.
4632 * testsuite/lib/libstdc++.exp (check_effective_target_tzdb):
4633 Check new _GLIBCXX_STATIC_TZDATA macro and ignore presence of
4634 tzdata.zi file in default location.
4635 * src/c++20/tzdata.zi: New file.
4637 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
4639 * include/bits/chrono_io.h (operator<<): Fix syntax errors.
4640 * testsuite/std/time/month_day/io.cc: New test.
4641 * testsuite/std/time/month_day_last/io.cc: New test.
4642 * testsuite/std/time/month_weekday/io.cc: New test.
4643 * testsuite/std/time/month_weekday_last/io.cc: New test.
4644 * testsuite/std/time/weekday_indexed/io.cc: New test.
4645 * testsuite/std/time/weekday_last/io.cc: New test.
4646 * testsuite/std/time/year_month/io.cc: New test.
4647 * testsuite/std/time/year_month_day_last/io.cc: New test.
4648 * testsuite/std/time/year_month_weekday/io.cc: New test.
4649 * testsuite/std/time/year_month_weekday_last/io.cc: New test.
4651 2023-01-14 François Dumont <fdumont@gcc.gnu.org>
4653 * include/std/format [_GLIBCXX_INLINE_VERSION](to_chars): Adapt __asm symbol
4655 * config/abi/pre/gnu-versioned-namespace.ver: Add to_chars/from_chars symbols
4658 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
4660 * include/bits/std_mutex.h: Include <errno.h>.
4662 2023-01-13 Arsen Arsenović <arsen@aarsen.me>
4664 * testsuite/20_util/to_chars/version.cc: Mark hosted-only.
4665 * testsuite/20_util/uses_allocator/lwg3677.cc: Ditto.
4666 * testsuite/20_util/weak_ptr/cons/self_move.cc: Ditto.
4667 * testsuite/std/ranges/adaptors/as_rvalue/1.cc: Replace usage of
4668 std::make_unique with a freestanding-compatible wrapper around
4670 * testsuite/21_strings/basic_string_view/operations/contains/char.cc:
4671 Don't test for presence of __cpp_lib_string_contains on !HOSTED.
4672 * testsuite/21_strings/basic_string_view/operations/contains/char/2.cc:
4674 * testsuite/std/ranges/version_c++23.cc: Don't test for presence
4675 of __cpp_lib_ranges in !HOSTED.
4677 2023-01-13 Arsen Arsenović <arsen@aarsen.me>
4679 * include/Makefile.am: Install bits/char_traits.h,
4681 * include/Makefile.in: Regenerate.
4682 * include/bits/char_traits.h: Gate hosted-only, wchar-only and
4683 mbstate-only bits behind appropriate #ifs.
4684 * include/std/string_view: Gate <iostream> functionality behind
4686 * include/std/version: Enable __cpp_lib_constexpr_string_view
4687 and __cpp_lib_starts_ends_with in !HOSTED.
4688 * include/std/ranges: Re-enable __is_basic_string_view on
4689 freestanding, include <string_view> directly.
4690 * include/precompiled/stdc++.h: Include <string_view> when
4692 * testsuite/20_util/function_objects/searchers.cc: Skip testing
4693 boyer_moore searchers on freestanding
4694 * testsuite/21_strings/basic_string_view/capacity/1.cc: Guard
4695 <string>-related tests behind __STDC_HOSTED__.
4696 * testsuite/21_strings/basic_string_view/cons/char/1.cc: Ditto.
4697 * testsuite/21_strings/basic_string_view/cons/char/2.cc: Remove
4698 unused <stdexcept> include.
4699 * testsuite/21_strings/basic_string_view/cons/char/3.cc: Remove
4700 unused <vector> include.
4701 * testsuite/21_strings/basic_string_view/cons/char/range.cc:
4702 Guard <string> related testing behind __STDC_HOSTED__.
4703 * testsuite/21_strings/basic_string_view/cons/wchar_t/1.cc:
4704 Guard <stdexcept> related tests behind __STDC_HOSTED__.
4705 * testsuite/21_strings/basic_string_view/element_access/char/1.cc:
4707 * testsuite/21_strings/basic_string_view/element_access/wchar_t/1.cc:
4708 Guard <stdexcept> tests behind __STDC_HOSTED__.
4709 * testsuite/21_strings/basic_string_view/operations/contains/char/2.cc:
4710 Enable test on freestanding, guard <stdexcept> bits behind
4712 * testsuite/21_strings/basic_string_view/operations/substr/char.cc:
4713 Guard <stdexcept> bits behind __STDC_HOSTED__.
4714 * testsuite/21_strings/basic_string_view/operations/substr/wchar_t.cc:
4717 2023-01-13 Dimitrij Mijoski <dmjpp@hotmail.com>
4720 * src/c++11/codecvt.cc (read_utf8_code_point): Correctly detect
4721 errors in incomplete multibyte sequences.
4722 (utf16_in): Remove surrogates parameter. Fix conditions for
4724 (utf16_out): Fix condition for returning partial.
4725 (ucs2_in): Do not pass surrogates argument to utf16_in.
4726 * testsuite/22_locale/codecvt/codecvt_unicode.cc: New test.
4727 * testsuite/22_locale/codecvt/codecvt_unicode.h: New header for
4729 * testsuite/22_locale/codecvt/codecvt_unicode_wchar_t.cc: New
4732 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
4735 * config/io/c_io_stdio.h (__c_lock): Define as a typedef for
4736 __GTHREAD_LEGACY_MUTEX_T if defined.
4738 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
4741 * config/os/gnu-linux/ldbl-extra.ver (GLIBCXX_LDBL_3.4.31):
4742 Export __try_use_facet specializations for facets in namespace
4744 * config/os/gnu-linux/ldbl-ieee128-extra.ver
4745 (GLIBCXX_IEEE128_3.4.31): Likewise for facets in namespace
4747 * testsuite/util/testsuite_abi.cc: Add to lists of known and
4750 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
4752 * include/bits/std_mutex.h: Remove <system_error> include.
4753 * include/std/condition_variable: Add <bits/error_constants.h>
4755 * include/std/mutex: Likewise.
4756 * include/std/shared_mutex: Likewise.
4758 2023-01-12 Jonathan Wakely <jwakely@redhat.com>
4761 * include/experimental/memory_resource
4762 (_GLIBCXX_MAX_ALIGN_MATCHES_MALLOC): Define.
4763 (do_allocate, do_deallocate): Check it.
4764 * testsuite/experimental/memory_resource/new_delete_resource.cc:
4765 Relax expected behaviour for 64-bit hppa-hp-hpux11.11.
4767 2023-01-12 Jonathan Wakely <jwakely@redhat.com>
4769 * doc/xml/manual/abi.xml: Add latest library versions.
4770 * doc/html/manual/abi.html: Regenerate.
4772 2023-01-12 François Dumont <fdumont@gcc.gnu.org>
4775 * include/bits/stl_tree.h (_Rb_tree<>::_M_insert_range_equal): Remove
4776 unused _Alloc_node instance.
4778 2023-01-12 Jonathan Wakely <jwakely@redhat.com>
4780 * include/bits/atomic_wait.h (__detail::__platform_wait_t):
4781 Define as unsigned long if always lock-free, and unsigned int
4784 2023-01-10 Jonathan Wakely <jwakely@redhat.com>
4786 * src/c++20/tzdb.cc (tzdb_list::_S_init_tzdb): Use __try and
4787 __catch macros for exception handling.
4789 2023-01-10 Jonathan Wakely <jwakely@redhat.com>
4792 * include/bits/stl_algobase.h (__lg): Replace six overloads with
4793 a single function template for all integer types.
4794 * include/bits/stl_algo.h (__merge_adaptive_resize): Cast
4795 arithmetic results back to _Distance.
4797 2023-01-10 Jonathan Wakely <jwakely@redhat.com>
4800 * include/std/span (span::span()): Un-simplify constraint to
4801 work for size_t of lesser rank than int.
4803 2023-01-07 LIU Hao <lh_mouse@126.com>
4805 PR middle-end/108300
4806 * src/c++11/system_error.cc: Define `WIN32_LEAN_AND_MEAN` before
4808 * src/c++11/thread.cc: Likewise.
4809 * src/c++17/fs_ops.cc: Likewise.
4810 * src/filesystem/ops.cc: Likewise.
4812 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4815 * src/c++20/tzdb.cc (zoneinfo_dir): Add diagnostic pragma.
4817 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4820 * src/c++20/tzdb.cc (time_zone::_Impl::RulesCounter): New class
4821 template and partial specialization for synchronizing access to
4822 time_zone::_Impl::infos.
4823 (time_zone::_M_get_sys_info, reload_tzdb): Adjust uses of
4826 2023-01-06 Patrick Palka <ppalka@redhat.com>
4829 * include/bits/utility.h (__cpp_lib_ranges_zip): Define for C++23.
4830 * include/std/ranges (__cpp_lib_ranges_zip): Likewise.
4831 (__cpp_lib_ranges_chunk): Likewise.
4832 (__cpp_lib_ranges_slide): Likewise.
4833 (__cpp_lib_ranges_chunk_by): Likewise.
4834 (__cpp_lib_ranges_join_with): Likewise.
4835 (__cpp_lib_ranges_repeat): Likewise.
4836 (__cpp_lib_ranges_stride): Likewise.
4837 (__cpp_lib_ranges_cartesian_product): Likewise.
4838 (__cpp_lib_ranges_as_rvalue): Likewise.
4839 * include/std/version: Ditto.
4840 * testsuite/20_util/tuple/p2321r2.cc: Verify value of
4842 * testsuite/std/ranges/adaptors/as_rvalue/1.cc: Likewise.
4843 * testsuite/std/ranges/adaptors/chunk/1.cc: Likewise.
4844 * testsuite/std/ranges/adaptors/chunk_by/1.cc: Likewise.
4845 * testsuite/std/ranges/adaptors/join_with/1.cc: Likewise.
4846 * testsuite/std/ranges/adaptors/slide/1.cc: Likewise.
4847 * testsuite/std/ranges/adaptors/stride/1.cc: Likewise.
4848 * testsuite/std/ranges/cartesian_product/1.cc: Likewise.
4849 * testsuite/std/ranges/repeat/1.cc: Likewise.
4850 * testsuite/std/ranges/zip/1.cc: Likewise.
4851 * testsuite/std/ranges/version_c++23.cc: New test.
4853 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4856 * include/std/bitset (operator>>): Use alloca in the right
4857 scope, not in a constructor.
4858 * testsuite/20_util/bitset/io/input.cc: Check case from PR.
4860 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4863 * include/std/format (basic_format_arg) [!__cpp_lib_to_chars]:
4864 Disable visiting floating-point types.
4866 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4869 * include/debug/safe_iterator.h (_Safe_iterator::operator++(int))
4870 (_Safe_iterator::operator--(int)): Do not hold lock around
4871 construction of return value.
4873 2023-01-05 John David Anglin <danglin@gcc.gnu.org>
4875 * config/cpu/hppa/atomicity.h (_PA_LDCW_INSN): Define.
4876 (__exchange_and_add): Use _PA_LDCW_INSN. Use ordered store for
4877 lock release. Revise loop.
4878 (__atomic_add): Likewise.
4880 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4883 * python/libstdcxx/v6/printers.py (_utc_timezone): New global
4885 (StdChronoTimePointPrinter::to_string): Use it.
4887 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4890 * include/std/functional (_Bind_front): Add no_unique_address
4891 attribute to data members.
4892 * testsuite/20_util/function_objects/bind_front/107784.cc: Check
4893 size of call wrappers with empty types for targets and bound
4896 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4899 * src/c++20/tzdb.cc (chrono::current_zone()): Check for zone
4900 using only last component of the name.
4902 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4906 * config/abi/pre/gnu.ver: Move zoneinfo_dir_override export to
4907 the latest symbol version.
4908 * src/c++20/tzdb.cc (USE_ATOMIC_SHARED_PTR): Define to 0 if
4909 atomic<_Node*> is not always lock free.
4910 (USE_ATOMIC_LIST_HEAD): New macro.
4911 [__hpux__] (__gnu_cxx::zoneinfo_dir_override()): Provide
4912 definition of weak symbol.
4913 (tzdb_list::_Node::_S_head): Rename to _S_head_cache.
4914 (tzdb_list::_Node::_S_list_head): New function for accessing
4915 list head efficiently.
4916 (tzdb_list::_Node::_S_cache_list_head): New function for
4917 updating _S_list_head.
4919 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4922 * include/std/chrono (hh_mm_ss): Do not use chrono::abs if
4923 duration rep is unsigned.
4924 * testsuite/std/time/hh_mm_ss/1.cc: Check unsigned rep.
4926 2023-01-04 Iain Sandoe <iain@sandoe.co.uk>
4929 * config/abi/pre/gnu.ver (GLIBCXX_3.4):
4930 Add __gnu_cxx::zoneinfo_dir_override().
4932 2023-01-04 Jonathan Wakely <jwakely@redhat.com>
4935 * include/std/array (__array_traits<T, 0>::operator T*()): Add
4937 * testsuite/23_containers/array/element_access/constexpr_c++17.cc: Check
4938 std::array<T, 0>::data().
4941 Copyright (C) 2023 Free Software Foundation, Inc.
4943 Copying and distribution of this file, with or without modification,
4944 are permitted in any medium without royalty provided the copyright
4945 notice and this notice are preserved.