1 2023-09-04 Christophe Lyon <christophe.lyon@linaro.org>
4 * configure: Regenerate.
5 * configure.ac: Call GLIBCXX_CHECK_LINKER_FEATURES in cross,
8 2023-09-04 Jonathan Wakely <jwakely@redhat.com>
10 * testsuite/26_numerics/complex/literals/types.cc: Remove
11 dg-options and add target selector instead.
13 2023-09-04 Jonathan Wakely <jwakely@redhat.com>
15 * testsuite/tr1/6_containers/utility/pair.cc: Remove dg-options
16 and qualify ambiguous calls to get.
17 * testsuite/tr1/8_c_compatibility/cmath/pow_cmath.cc: Adjust
18 expected result for std::pow(float, int) as per DR 550.
20 2023-09-04 Jonathan Wakely <jwakely@redhat.com>
22 * testsuite/20_util/auto_ptr/1.cc: Remove dg-options -std=c++03
23 and add dg-warning for deprecation warnings.
24 * testsuite/20_util/auto_ptr/2.cc: Likewise.
25 * testsuite/20_util/auto_ptr/3.cc: Likewise.
26 * testsuite/20_util/auto_ptr/3946.cc: Likewise.
27 * testsuite/20_util/auto_ptr/4.cc: Likewise.
28 * testsuite/20_util/auto_ptr/5.cc: Likewise.
29 * testsuite/20_util/auto_ptr/6.cc: Likewise.
30 * testsuite/20_util/auto_ptr/7.cc: Likewise.
31 * testsuite/20_util/auto_ptr/assign_neg.cc: Likewise.
32 * testsuite/20_util/auto_ptr/requirements/explicit_instantiation/1.cc:
34 * testsuite/tr1/2_general_utilities/shared_ptr/assign/auto_ptr.cc:
36 * testsuite/tr1/2_general_utilities/shared_ptr/assign/auto_ptr_neg.cc:
38 * testsuite/tr1/2_general_utilities/shared_ptr/assign/auto_ptr_rvalue_neg.cc:
40 * testsuite/tr1/2_general_utilities/shared_ptr/cons/43820_neg.cc:
42 * testsuite/tr1/2_general_utilities/shared_ptr/cons/auto_ptr.cc:
44 * testsuite/tr1/2_general_utilities/shared_ptr/cons/auto_ptr_neg.cc:
47 2023-09-04 Jonathan Wakely <jwakely@redhat.com>
50 * testsuite/23_containers/vector/26412-1.cc: Moved to...
51 * testsuite/23_containers/vector/26142-1.cc: ...here.
52 * testsuite/23_containers/vector/26412-2.cc: Moved to...
53 * testsuite/23_containers/vector/26142-2.cc: ...here.
55 2023-09-04 Jonathan Wakely <jwakely@redhat.com>
57 * testsuite/20_util/bitset/107037.cc: Add c++98_only selector.
58 * testsuite/26_numerics/complex/56111.cc: Likewise.
60 2023-09-04 Jonathan Wakely <jwakely@redhat.com>
62 * testsuite/23_containers/deque/requirements/explicit_instantiation/2.cc:
63 Add dg-options to restrict the test to C++98 mode.
64 * testsuite/23_containers/list/requirements/explicit_instantiation/2.cc:
67 2023-09-04 Jonathan Wakely <jwakely@redhat.com>
69 * testsuite/20_util/expected/bad.cc: Add missing target
72 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
74 * testsuite/25_algorithms/copy/debug/constexpr_neg.cc: Adjust
76 * testsuite/25_algorithms/equal/debug/constexpr_neg.cc:
79 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
81 * testsuite/27_io/filesystem/iterators/91067.cc: Add
82 -Wno-self-move to options.
83 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
85 2023-09-01 Vladimir Palevich <palevichva@gmail.com>
88 * include/bits/vector.tcc (_M_realloc_insert): End guard
89 lifetime just before assignment to class members.
90 (_M_default_append): Likewise.
92 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
94 * src/c++17/fs_ops.cc (fs::absolute) [FILESYSTEM_IS_WINDOWS]:
95 Use __resize_and_overwrite to fill buffer.
96 (fs::read_symlink) [HAVE_READLINK]: Likewise.
97 * src/filesystem/ops-common.h (get_temp_directory_from_env)
98 [FILESYSTEM_IS_WINDOWS]: Likewise.
100 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
103 * include/bits/atomic_base.h (__atomic_impl::__compare_exchange):
104 Add _AtomicRef non-type template parameter and use a loop if it
106 (__atomic_impl::compare_exchange_weak): Add _AtomicRef NTTP.
107 (__atomic_impl::compare_exchange_strong): Likewise.
108 (atomic_ref::compare_exchange_weak): Use true for NTTP.
109 (atomic_ref::compare_exchange_strong): Use true for NTTP.
110 * testsuite/29_atomics/atomic_ref/compare_exchange_padding.cc:
111 Fix test to not rely on atomic_ref::load() to return an object
112 with padding preserved.
114 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
116 * testsuite/27_io/filesystem/path/108636.cc: Add dg-require for
119 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
121 * src/c++20/tzdb.cc (tzdb::current_zone): Check configure macros
122 for POSIX readlink before using filesystem::read_symlink.
124 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
126 * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Default to yes.
127 * configure: Regenerate.
129 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
131 * include/bits/chrono_io.h (_Parser::operator()): Set failbit
132 early if invalid values are read when _M_need & _TimeOfDay is
134 * testsuite/std/time/parse.cc: Check that "25:59" cannot be
137 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
140 * include/bits/chrono_io.h (_Parser::Operator()): Check %C
141 values are in range of year::min() to year::max().
142 * testsuite/std/time/parse.cc: Check out of range centuries.
144 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
146 * include/std/format (__format::_Sink::_M_reset): Change second
147 argument from iterator to offset.
149 2023-08-24 Paul Dreik <gccpatches@pauldreik.se>
152 * testsuite/std/format/string.cc: Check wide character format
153 strings with out-of-range widths.
155 2023-08-24 Paul Dreik <gccpatches@pauldreik.se>
158 * include/std/format (__format::__parse_integer): Check for
161 2023-08-24 Jonathan Wakely <jwakely@redhat.com>
163 * testsuite/std/format/functions/format_to.cc: Avoid warning for
166 2023-08-24 Jonathan Wakely <jwakely@redhat.com>
168 * include/std/atomic: Add comment to #ifdef and fix indentation.
169 * include/std/ostream: Check __glibcxx_syncbuf instead of
170 __cplusplus and _GLIBCXX_HOSTED.
171 * include/std/thread: Add comment to #ifdef.
173 2023-08-24 Jonathan Wakely <jwakely@redhat.com>
175 * include/bits/version.def (__cpp_lib_ratio): Define.
176 * include/bits/version.h: Regenerate.
177 * include/std/ratio (quecto, ronto, yocto, zepto)
178 (zetta, yotta, ronna, quetta): Define.
179 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Adjust
180 dg-error line numbers.
182 2023-08-24 Jonathan Wakely <jwakely@redhat.com>
184 * python/libstdcxx/v6/printers.py (StdLocalePrinter): New
186 * testsuite/libstdc++-prettyprinters/locale.cc: New test.
188 2023-08-24 Jonathan Wakely <jwakely@redhat.com>
191 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Do
192 not show template arguments.
193 (StdVariantPrinter): Likewise.
194 * testsuite/libstdc++-prettyprinters/compat.cc: Adjust expected
196 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
197 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
199 2023-08-23 François Dumont <fdumont@gcc.gnu.org>
201 * testsuite/util/replacement_memory_operators.h
202 (counter::scope): New, capture and reset counter count at construction and
203 restore it at destruction.
204 (counter::check_new): Add scope instantiation.
205 * testsuite/23_containers/unordered_map/96088.cc (main):
206 Add counter::scope instantiation.
207 * testsuite/23_containers/unordered_multimap/96088.cc (main): Likewise.
208 * testsuite/23_containers/unordered_multiset/96088.cc (main): Likewise.
209 * testsuite/23_containers/unordered_set/96088.cc (main): Likewise.
210 * testsuite/ext/malloc_allocator/deallocate_local.cc (main): Likewise.
211 * testsuite/ext/new_allocator/deallocate_local.cc (main): Likewise.
212 * testsuite/ext/throw_allocator/deallocate_local.cc (main): Likewise.
213 * testsuite/ext/pool_allocator/allocate_chunk.cc (started): New global.
214 (operator new(size_t)): Check started.
215 (main): Set/Unset started.
216 * testsuite/17_intro/no_library_allocation.cc: New test case.
218 2023-08-21 Jonathan Wakely <jwakely@redhat.com>
220 * testsuite/18_support/nested_exception/rethrow_if_nested-term.cc:
221 Call std::set_terminate before throwing the nested exception.
223 2023-08-18 Jonathan Wakely <jwakely@redhat.com>
226 * include/std/format (formatter): Only define specializations
227 for 16-bit floating-point types for C++23.
228 * include/std/limits (numeric_limits): Likewise.
230 2023-08-18 Jonathan Wakely <jwakely@redhat.com>
232 * include/bits/chrono_io.h (operator<<): Make uses of wide
233 strings with streams and std::format type-dependent on _CharT.
234 * include/std/format [!_GLIBCXX_USE_WCHAR_T] Do not use
235 __to_wstring_numeric.
237 2023-08-18 Jonathan Wakely <jwakely@redhat.com>
239 * include/bits/chrono_io.h (operator<<): Use __format_context.
240 * include/std/format (__format::__format_context): New alias
242 [!_GLIBCXX_USE_WCHAR_T] (wformat_args, make_wformat_arg):
245 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
248 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
250 * config/locale/generic/c_locale.cc (__convert_to_v): Reuse
251 double overload for long double if possible.
253 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
255 * src/c++20/tzdb.cc (tzdata_file, leaps_file): Change type to
258 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
260 * config/locale/generic/c_locale.cc (__convert_to_v): Reuse
261 double overload for long double if possible.
263 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
265 * src/c++98/localename.cc (is_C_locale): New function.
266 (locale::locale(const char*)): Use is_C_locale.
268 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
271 * include/bits/basic_string.h (basic_string::assign(Iter, Iter)):
272 Dispatch to _M_replace or move assignment from a temporary,
273 based on the iterator type.
275 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
277 * include/std/format (formatter): Add partial specializations
278 for extended floating-point types.
279 * testsuite/std/format/functions/format.cc: Move test_float128()
281 * testsuite/std/format/formatter/ext_float.cc: New test.
283 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
285 * include/bits/c++config (__gnu_cxx::__bfloat16_t): Define
286 whenever __BFLT16_DIG__ is defined, not only for C++23.
287 * include/std/limits (numeric_limits<bfloat16_t>): Likewise.
288 (numeric_limits<_Float16>, numeric_limits<_Float32>)
289 (numeric_limits<_Float64>): Likewise for other extended
290 floating-point types.
292 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
294 * include/experimental/internet (address_v4::to_string): Remove
295 unused parameter name.
297 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
299 * libsupc++/compare (__cmp_cat::__unseq): Make ctor consteval.
300 * testsuite/18_support/comparisons/categories/zero_neg.cc: Prune
301 excess errors caused by invalid consteval calls.
303 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
305 * include/bits/chrono_io.h (__units_suffix_misc): Remove.
306 (__units_suffix): Return a known suffix as string view, do not
307 write unknown suffixes to a buffer.
308 (__fmt_units_suffix): New function that formats the suffix using
310 (operator<<, __chrono_formatter::_M_q): Use __fmt_units_suffix.
311 (__chrono_formatter::_M_Z): Correct lifetime of wstring.
313 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
315 * include/std/format [_GLIBCXX_USE_WCHAR_T]: Guard all wide
316 string formatters with this macro.
317 (__formatter_int::_M_format_int, __formatter_fp::format)
318 (formatter<const void*, C>::format): Use __to_wstring_numeric
319 instead of std::ctype::widen.
320 (__formatter_fp::_M_localize): Use hardcoded wchar_t values
321 instead of std::ctype::widen.
322 * testsuite/std/format/functions/format.cc: Add more checks for
323 wstring formatting of arithmetic types.
325 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
327 * include/bits/basic_string.h (to_string(floating-point-type)):
328 Implement using std::to_chars for C++26.
329 * include/bits/version.def (__cpp_lib_to_string): Define.
330 * include/bits/version.h: Regenerate.
331 * testsuite/21_strings/basic_string/numeric_conversions/char/dr1261.cc:
332 Adjust expected result in C++26 mode.
333 * testsuite/21_strings/basic_string/numeric_conversions/char/to_string.cc:
335 * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/dr1261.cc:
337 * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/to_wstring.cc:
339 * testsuite/21_strings/basic_string/numeric_conversions/char/to_string_float.cc:
341 * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/to_wstring_float.cc:
343 * testsuite/21_strings/basic_string/numeric_conversions/version.cc:
346 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
348 * include/bits/basic_string.h (to_string(integral-type)): Use
349 resize_and_overwrite when available.
350 (__to_wstring_numeric): New helper functions.
351 (to_wstring): Use std::to_string then __to_wstring_numeric.
352 * testsuite/21_strings/basic_string/numeric_conversions/char/to_string_int.cc:
353 Remove check for no excess capacity.
355 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
357 * include/bits/basic_string.h (__resize_and_overwrite): New
359 * include/bits/basic_string.tcc (__resize_and_overwrite): New
361 (resize_and_overwrite): Simplify by using reserve instead of
362 growing the string manually. Adjust for C++11 compatibility.
363 * include/bits/cow_string.h (resize_and_overwrite): New
365 (__resize_and_overwrite): New function.
366 * include/bits/version.def (__cpp_lib_string_resize_and_overwrite):
367 Do not depend on cxx11abi.
368 * include/bits/version.h: Regenerate.
369 * include/std/format (__formatter_fp::_S_resize_and_overwrite):
371 (__formatter_fp::format, __formatter_fp::_M_localize): Use
372 __resize_and_overwrite instead of _S_resize_and_overwrite.
373 * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
374 Adjust for C++11 compatibility when included by ...
375 * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite_ext.cc:
378 2023-08-17 Patrick Palka <ppalka@redhat.com>
380 * include/bits/regex.h (regex_iterator::iterator_concept):
381 Define for C++20 as per P2770R0.
382 (regex_token_iterator::iterator_concept): Likewise.
383 * include/std/ranges (__detail::__as_lvalue): Define.
384 (join_view::_Iterator): Befriend join_view.
385 (join_view::_Iterator::_M_satisfy): Use _M_get_outer
387 (join_view::_Iterator::_M_get_outer): Define.
388 (join_view::_Iterator::_Iterator): Split constructor taking
389 _Parent argument into two as per P2770R0. Remove constraint on
391 (join_view::_Iterator::_M_outer): Make this data member present
392 only when the underlying range is forward.
393 (join_view::_Iterator::operator++): Use _M_get_outer instead of
395 (join_view::_Iterator::operator--): Use __as_lvalue helper.
396 (join_view::_Iterator::operator==): Adjust constraints as per
398 (join_view::_Sentinel::__equal): Use _M_get_outer instead of
400 (join_view::_M_outer): New data member when the underlying range
402 (join_view::begin): Adjust definition as per P2770R0.
403 (join_view::end): Likewise.
404 (join_with_view::_M_outer_it): New data member when the
405 underlying range is non-forward.
406 (join_with_view::begin): Adjust definition as per P2770R0.
407 (join_with_view::end): Likewise.
408 (join_with_view::_Iterator::_M_outer_it): Make this data member
409 present only when the underlying range is forward.
410 (join_with_view::_Iterator::_M_get_outer): Define.
411 (join_with_view::_Iterator::_Iterator): Split constructor
412 taking _Parent argument into two as per P2770R0. Remove
413 constraint on default constructor.
414 (join_with_view::_Iterator::_M_update_inner): Adjust definition
416 (join_with_view::_Iterator::_M_get_inner): Likewise.
417 (join_with_view::_Iterator::_M_satisfy): Adjust calls to
418 _M_get_inner. Use _M_get_outer instead of _M_outer_it.
419 (join_with_view::_Iterator::operator==): Adjust constraints
421 (join_with_view::_Sentinel::operator==): Use _M_get_outer
422 instead of _M_outer_it.
423 * testsuite/std/ranges/adaptors/p2770r0.cc: New test.
425 2023-08-17 Patrick Palka <ppalka@redhat.com>
428 * include/std/ranges (__adaptor::_RangeAdaptorClosure):
429 Convert into a CRTP class template. Move hidden operator|
430 friends into namespace scope and adjust their constraints.
431 (__closure::__is_range_adaptor_closure_fn): Define.
432 (__closure::__is_range_adaptor_closure): Define.
433 (__adaptor::_Partial): Adjust use of _RangeAdaptorClosure.
434 (__adaptor::_Pipe): Likewise.
435 (views::_All): Likewise.
436 (views::_Join): Likewise.
437 (views::_Common): Likewise.
438 (views::_Reverse): Likewise.
439 (views::_Elements): Likewise.
440 (views::_Adjacent): Likewise.
441 (views::_AsRvalue): Likewise.
442 (views::_Enumerate): Likewise.
443 (views::_AsConst): Likewise.
444 * testsuite/std/ranges/adaptors/all.cc: Reinstate assertion
445 expecting that adding empty range adaptor closure objects to a
446 pipeline doesn't increase the size of a pipeline.
448 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
450 * include/std/format (__format::_Pres_type): Add _Pres_F.
451 (__formatter_fp::parse): Use _Pres_F for 'F'.
452 (__formatter_fp::format): Set __upper for _Pres_F.
453 * testsuite/std/format/functions/format.cc: Check formatting of
454 infinity and NaN for each presentation type.
456 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
458 * include/Makefile.in: Regenerate.
460 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
462 * testsuite/24_iterators/move_iterator/p2520r0.cc: Add no_pch.
463 * testsuite/std/format/functions/format.cc: Likewise.
464 * testsuite/std/format/functions/format_c++23.cc: Likewise.
466 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
468 * testsuite/lib/dg-options.exp (add_options_for_no_pch): Remove
469 any "-include bits/stdc++.h" from options and add the macro to
470 the existing options instead of replacing them.
472 2023-08-16 Jonathan Wakely <jwakely@redhat.com>
474 * include/bits/basic_string.tcc (resize_and_overwrite): Invoke
475 the callable with the same size as resize_and_overwrite was
477 * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
478 Check with small values for the new size.
479 * testsuite/std/format/functions/format.cc: Check wide
480 formatting of double values that produce small strings.
481 * testsuite/std/format/functions/format_c++23.cc: New test.
483 2023-08-16 Jonathan Wakely <jwakely@redhat.com>
485 * include/bits/version.def (stds): Update value for C++23.
486 * include/bits/version.h: Regenerate.
488 2023-08-16 Jonathan Wakely <jwakely@redhat.com>
490 * testsuite/25_algorithms/pstl/alg_sorting/set_difference.cc:
491 Fix name of upstream file this was derived from.
492 * testsuite/25_algorithms/pstl/alg_sorting/set_intersection.cc:
494 * testsuite/25_algorithms/pstl/alg_sorting/set_symmetric_difference.cc:
496 * testsuite/25_algorithms/pstl/alg_sorting/set_union.cc:
498 * testsuite/25_algorithms/pstl/alg_sorting/set_util.h: Likewise.
500 2023-08-16 Arsen Arsenović <arsen@aarsen.me>
502 * libsupc++/typeinfo: Switch to bits/version.h for
503 __cpp_lib_constexpr_typeinfo.
504 * libsupc++/new: Switch to bits/version.h for
505 __cpp_lib_{launder,hardware_interference_size,destroying_delete}.
506 (launder): Guard behind __cpp_lib_launder.
507 (hardware_destructive_interference_size)
508 (hardware_constructive_interference_size): Guard behind
509 __cpp_lib_hardware_interference_size.
510 * libsupc++/exception: Switch to bits/version.h for
511 __cpp_lib_uncaught_exceptions.
512 (uncaught_exceptions): Guard behind __cpp_lib_uncaught_exceptions.
513 * libsupc++/compare: Switch to bits/version.h for
514 __cpp_lib_three_way_comparison.
515 (three_way_comparable, three_way_comparable_with)
516 (compare_three_way, weak_order, strong_order, partial_order):
517 Guard behind __cpp_lib_three_way_comparison >= 201907L.
518 * include/std/chrono: Drop __cpp_lib_chrono definition.
519 * include/std/vector: Switch to bits/version.h for
521 (erase, erase_if): Guard behind __cpp_lib_erase_if.
522 * include/std/variant: Switch to bits/version.h for
523 __cpp_lib_variant. Guard whole header behind that FTM.
524 * include/std/utility: Switch to bits/version.h for
525 __cpp_lib_{exchange_function,constexpr_algorithms,as_const},
526 __cpp_lib_{integer_comparison_functions,to_underlying}, and
527 __cpp_lib_unreachable.
528 (exchange): Guard behind __cpp_lib_exchange_function.
529 (cmp_equal, cmp_not_equal, cmp_less, cmp_greater, cmp_less_equal)
530 (cmp_greater_equal, in_range): Guard behind
531 __cpp_lib_integer_comparison_functions.
532 (to_underlying): Guard behind __cpp_lib_to_underlying.
533 (unreachable): Guard behind __cpp_lib_unreachable.
534 * include/std/type_traits: Switch to bits/version.h for
535 __cpp_lib_is_{null_pointer,final,nothrow_convertible,aggregate},
536 __cpp_lib_is_{constant_evaluated,invocable,layout_compatible},
537 __cpp_lib_is_{pointer_interconvertible,scoped_enum,swappable},
538 __cpp_lib_{logical_traits,reference_from_temporary,remove_cvref},
539 __cpp_lib_{result_of_sfinae,transformation_trait_aliases},
540 __cpp_lib_{type_identity,type_trait_variable_templates},
541 __cpp_lib_{unwrap_ref,void_t,integral_constant_callable},
542 __cpp_lib_{bool_constant,bounded_array_traits}, and
543 __cpp_lib_has_unique_object_representations.
544 (integral_constant::operator()): Guard behind
545 __cpp_lib_integral_constant_callable.
546 (bool_constant): Guard behind __cpp_lib_bool_constant.
547 (conjunction, disjunction, negation, conjunction_v, disjunction_v)
548 (negation_v): Guard behind __cpp_lib_logical_traits.
549 (is_null_pointer): Guard behind __cpp_lib_is_null_pointer.
550 (is_final): Guard behind __cpp_lib_is_final.
551 (is_nothrow_convertible, is_nothrow_convertible_v): Guard behind
552 __cpp_lib_is_nothrow_convertible.
553 (remove_const_t, remove_volatile_t, remove_cv_t)
554 (add_const_t, add_volatile_t, add_cv_t): Guard behind
555 __cpp_lib_transformation_trait_aliases.
556 (void_t): Guard behind __cpp_lib_void_t.
557 (is_swappable_with_v, is_nothrow_swappable_with_v)
558 (is_swappable_with, is_nothrow_swappable_with): Guard behind
559 __cpp_lib_is_swappable.
560 (is_nothrow_invocable_r, is_invocable_r, invoke_result)
561 (is_invocable, invoke_result_t): Guard behind
562 __cpp_lib_is_invocable.
563 (alignment_of_v, extent_v, has_virtual_destructor_v)
564 (is_abstract_v, is_arithmetic_v, is_array_v)
565 (is_assignable_v, is_base_of_v, is_class_v, is_compound_v)
566 (is_constructible_v, is_const_v, is_convertible_v)
567 (is_copy_assignable_v, is_copy_constructible_v)
568 (is_default_constructible_v, is_destructible_v)
569 (is_empty_v, is_enum_v, is_final_v, is_floating_point_v)
570 (is_function_v, is_fundamental_v, is_integral_v)
571 (is_invocable_r_v, is_invocable_v, is_literal_type_v)
572 (is_lvalue_reference_v, is_member_function_pointer_v)
573 (is_member_object_pointer_v, is_member_pointer_v)
574 (is_move_assignable_v, is_move_constructible_v)
575 (is_nothrow_assignable_v, is_nothrow_constructible_v)
576 (is_nothrow_copy_assignable_v, is_nothrow_copy_constructible_v)
577 (is_nothrow_default_constructible_v, is_nothrow_destructible_v)
578 (is_nothrow_invocable_r_v, is_nothrow_invocable_v)
579 (is_nothrow_move_assignable_v, is_nothrow_move_constructible_v)
580 (is_null_pointer_v, is_object_v, is_pod_v, is_pointer_v)
581 (is_polymorphic_v, is_reference_v, is_rvalue_reference_v)
582 (is_same_v, is_scalar_v, is_signed_v, is_standard_layout_v)
583 (is_trivially_assignable_v, is_trivially_constructible_v)
584 (is_trivially_copyable_v, is_trivially_copy_assignable_v)
585 (is_trivially_copy_constructible_v)
586 (is_trivially_default_constructible_v)
587 (is_trivially_destructible_v, is_trivially_move_assignable_v)
588 (is_trivially_move_constructible_v, is_trivial_v, is_union_v)
589 (is_unsigned_v, is_void_v, is_volatile_v, rank_v, as variadic):
590 Guard behind __cpp_lib_type_trait_variable_templates.
591 (has_unique_object_representations)
592 (has_unique_object_representations_v): Guard behind
593 __cpp_lib_has_unique_object_representation.
594 (is_aggregate): Guard behind __cpp_lib_is_aggregate.
595 (remove_cvref, remove_cvref_t): Guard behind
596 __cpp_lib_remove_cvref.
597 (type_identity, type_identity_t): Guard behind
598 __cpp_lib_type_identity.
599 (unwrap_reference, unwrap_reference_t, unwrap_ref_decay)
600 (unwrap_ref_decay_t): Guard behind __cpp_lib_unwrap_ref.
601 (is_bounded_array_v, is_unbounded_array_v, is_bounded_array)
602 (is_unbounded_array): Guard behind __cpp_lib_bounded_array_traits.
603 (is_scoped_enum, is_scoped_enum_v): Guard behind
604 __cpp_lib_is_scoped_enum.
605 (reference_constructs_from_temporary)
606 (reference_constructs_from_temporary_v): Guard behind
607 __cpp_lib_reference_from_temporary.
608 * include/std/tuple: Switch to bits/version.h for
609 __cpp_lib_{constexpr_tuple,tuple_by_type,apply_make_from_tuple}.
610 (get<T>): Guard behind __cpp_lib_tuple_by_type.
611 (apply): Guard behind __cpp_lib_apply.
612 (make_from_tuple): Guard behind __cpp_lib_make_from_tuple.
613 * include/std/syncstream: Switch to bits/version.h for
614 __cpp_lib_syncbuf. Guard header behind that FTM.
615 * include/std/string_view: Switch to bits/version.h for
616 __cpp_lib_{string_{view,contains},constexpr_string_view} and
617 __cpp_lib_starts_ends_with.
618 (basic_string_view::starts_with, basic_string_view::ends_with):
619 Guard behind __cpp_lib_starts_ends_with.
620 [C++23 && _GLIBCXX_HOSTED && !defined(__cpp_lib_string_contains)]:
621 Assert as impossible ithout a bug in C++23.
622 * include/std/string: Switch to bits/version.h for
624 (erase, erase_if): Guard behind __cpp_lib_erase_if.
625 * include/std/thread: Switch to bits/version.h for
627 * include/std/stop_token: Switch to bits/version.h for
629 * include/std/spanstream: Switch to bits/version.h for
630 __cpp_lib_spanstream. Guard header behind that FTM.
631 * include/std/span: Switch to bits/version.h for __cpp_lib_span.
632 Guard header behind that FTM.
633 * include/std/source_location: Switch to bits/version.h for
634 __cpp_lib_source_location. Guard header with that FTM.
635 * include/std/shared_mutex: Switch to bits/version.h for
636 __cpp_lib_shared{,_timed}_mutex.
637 (shared_mutex): Guard behind __cpp_lib_shared_mutex.
638 * include/std/semaphore: Switch to bits/version.h for
639 __cpp_lib_semaphore. Guard header behind that FTM.
640 * include/std/ranges: Switch to bits/version.h for
641 __cpp_lib_ranges_{zip,chunk{,_by},slide,join_with},
642 __cpp_lib_ranges_{repeat_stride,cartesian_product,as_rvalue},
643 and __cpp_lib_ranges_{as_const,enumerate,iota}.
644 (ranges::zip et al, ranges::chunk et al, ranges::slide et al)
645 (ranges::chunk_by et al, ranges::join_with et al)
646 (ranges::stride et al, ranges::cartesian_product et al)
647 (ranges::as_rvalue et al, ranges::as_const et al)
648 (ranges::enumerate et al): Guard behind appropriate FTM.
649 * include/std/optional: Switch to bits/version.h for
650 __cpp_lib_optional. Guard header behind that FTM.
651 * include/std/numeric: Switch to bits/version.h for
652 __cpp_lib_{gcd{,_lcm},lcm,constexpr_numeric,interpolate}
653 and __cpp_lib_parallel_algorithm.
654 (gcd, lcm): Guard behind __cpp_lib_gcd_lcm.
655 (midpoint): Guard behind __cpp_lib_interpolate.
656 * include/std/numbers: Switch to bits/version.h for
657 __cpp_lib_math_constants. Guard header behind that FTM.
658 * include/std/mutex: Switch to bits/version.h for
659 __cpp_lib_scoped_lock.
660 (scoped_Lock): Guard behind __cpp_lib_scoped_lock.
661 * include/std/memory_resource: Switch to bits/version.h for
662 __cpp_lib_{polymorphic_allocator,memory_resource}.
663 (synchronized_pool_resource): Guard behind
664 __cpp_lib_memory_resource >= 201603L.
665 (polymorphic_allocator): Guard behind
666 __cpp_lib_polymorphic_allocator.
667 * include/std/memory: Switch to bits/version.h for
668 __cpp_lib_{parallel_algorithm,atomic_value_initialization}.
669 * include/std/list: Switch to bits/version.h for
671 (erase, erase_if): Guard behind __cpp_lib_erase_if.
672 * include/std/latch: Switch to bits/version.h for __cpp_lib_latch.
673 Guard header behind that FTM.
674 * include/std/iterator: Switch to bits/version.h for
675 __cpp_lib_null_iterators.
676 * include/std/iomanip: Switch to bits/version.h for
677 __cpp_lib_quoted_string_io.
678 (quoted): Guard behind __cpp_lib_quoted_string_io.
679 * include/std/functional: Switch to bits/version.h for
680 __cpp_lib_{invoke{,_r},constexpr_functional,bind_front} and
681 __cpp_lib_{not_fn,booyer_moore_searcher}.
682 (invoke): Guard behind __cpp_lib_invoke.
683 (invoke_r): Guard behind __cpp_lib_invoke_r.
684 (bind_front): Guard behind __cpp_lib_bind_front.
685 (not_fn): Guard behind __cpp_lib_not_fn.
686 (boyer_moore_searcher, boyer_moore_horspool_searcher): Guard
687 definition behind __cpp_lib_boyer_moore_searcher.
688 * include/std/forward_list: Switch to bits/version.h for
690 (erase, erase_if): Guard behind __cpp_lib_erase_if.
691 * include/std/format: Switch to bits/version.h for
692 __cpp_lib_format. Guard header behind that FTM.
693 * include/std/filesystem: Switch to bits/version.h for
694 __cpp_lib_filesystem. Guard header behind that FTM.
695 * include/std/expected: Switch to bits/version.h for
696 __cpp_lib_expected. Guard header behind it.
697 * include/std/execution: Switch to bits/version.h for
698 __cpp_lib_{execution,parallel_algorithm}. Guard header behind
700 * include/std/deque: Switch to bits/version.h for
702 (erase, erase_if): Guard behind __cpp_lib_erase_if.
703 * include/std/coroutine: Switch to bits/version.h for
704 __cpp_lib_coroutine. Guard header behind that FTM.
705 * include/std/concepts: Switch to bits/version.h for
706 __cpp_lib_concepts. Guard header behind that FTM.
707 * include/std/complex: Switch to bits/version.h for
708 __cpp_lib_{complex_udls,constexpr_complex}.
709 (operator""if, operator""i, operator""il): Guard behind
710 __cpp_lib_complex_udls.
711 * include/std/charconv: Swtich to bits/version.h for
712 __cpp_lib_{to_chars,constexpr_charconv}.
713 * include/std/bitset: Switch to bits/version.h for
714 __cpp_lib_constexpr_bitset.
715 * include/std/bit: Switch to bits/version.h for
716 __cpp_lib_{bit_cast,byteswap,bitops,int_pow2,endian}.
717 (bit_cast): Guard behind __cpp_lib_bit_cast.
718 (byteswap): Guard behind __cpp_lib_byteswap.
719 (rotl, rotr, countl_zero, countl_one, countr_zero, countr_one)
720 (popcount): Guard behind __cpp_lib_bitops.
721 (has_single_bit, bit_ceil, bit_floor, bit_width): Guard behind
723 (endian): Guard behind __cpp_lib_endian.
724 * include/std/barrier: Switch to bits/version.h for
725 __cpp_lib_barrier. Guard header behind that FTM.
726 * include/std/atomic: Switch to bits/version.h for
727 __cpp_lib_atomic_{is_always_lock_free,float,ref}
728 and __cpp_lib_lock_free_type_aliases.
729 (*::is_always_lock_free): Guard behind
730 __cpp_lib_atomic_is_always_lock_free.
731 (atomic<float>): Guard behind __cpp_lib_atomic_float.
732 (atomic_ref): Guard behind __cpp_lib_atomic_ref.
733 (atomic_signed_lock_free, atomic_unsigned_lock_free): Guard behind
734 __cpp_lib_atomic_lock_free_type_aliases.
735 * include/std/array: Switch to bits/version.h for
737 (to_array): Guard behind __cpp_lib_to_array.
738 * include/std/any: Switch to bits/version.h for __cpp_lib_any.
739 Guard header behind that FTM.
740 * include/std/algorithm: Switch to bits/version.h for
741 __cpp_lib_parallel_algorithm.
742 * include/c_global/cstddef: Switch to bits/version.h for
744 (byte): Guard behind __cpp_lib_byte.
745 * include/c_global/cmath: Switch to bits/version.h for
746 __cpp_lib_{hypot,interpolate}.
747 (hypot3): Guard behind __cpp_lib_hypot.
748 (lerp): Guard behind __cpp_lib_interpolate.
749 * include/c_compatibility/stdatomic.h: Switch to
750 bits/stl_version.h for __cpp_lib_atomic. Guard header behind that
752 * include/bits/utility.h: Switch to bits/version.h for
753 __cpp_lib_{tuple_element_t,integer_sequence,ranges_zip}.
754 (tuple_element_t): Guard behind __cpp_lib_tuple_element_t.
755 (integer_sequence et al): Guard behind __cpp_lib_integer_sequence.
756 * include/bits/uses_allocator_args.h: Switch to bits/version.h for
757 __cpp_lib_make_obj_using_allocator. Guard header behind that FTM.
758 * include/bits/unordered_map.h: Switch to bits/version.h for
759 __cpp_lib_unordered_map_try_emplace.
760 (try_emplace): Guard behind __cpp_lib_unordered_map_try_emplace.
761 * include/bits/unique_ptr.h: Switch to bits/version.h for
762 __cpp_lib_{constexpr_memory,make_unique}.
763 (make_unique): Guard behind __cpp_lib_make_unique.
764 * include/bits/stl_vector.h: Switch to bits/version.h for
765 __cpp_lib_constexpr_vector.
766 * include/bits/stl_uninitialized.h: Switch to bits/version.h for
767 __cpp_lib_raw_memory_algorithms.
768 (uninitialized_default_construct)
769 (uninitialized_default_construct_n, uninitialized_move)
770 (uninitialized_move_n, uninitialized_value_construct)
771 (uninitialized_value_construct_n): Guard behind
772 __cpp_lib_raw_memory_algorithms.
773 * include/bits/stl_tree.h: Switch to bits/version.h for
774 __cpp_lib_generic_associative_lookup.
775 * include/bits/stl_stack.h: Switch to bits/version.h for
776 __cpp_lib_adaptor_iterator_pair_constructor.
777 (stack): Guard iterator-pair constructor behind
778 __cpp_lib_adaptor_iterator_pair_constructor.
779 * include/bits/stl_queue.h: Switch to bits/version.h for
780 __cpp_lib_adaptor_iterator_pair_constructor.
781 (queue): Guard iterator-pair constructor behind
782 __cpp_lib_adaptor_iterator_pair_constructor.
783 * include/bits/stl_pair.h: Switch to bits/version.h for
784 __cpp_lib_{concepts,tuples_by_type}.
785 (get): Guard type-getting overloads behind
786 __cpp_lib_tuples_by_type.
787 * include/bits/stl_map.h: Switch to bits/version.h for
788 __cpp_lib_map_try_emplace.
789 (map<>::try_emplace): Guard behind __cpp_lib_map_try_emplace.
790 * include/bits/stl_list.h: Switch to bits/version.h for
791 __cpp_lib_list_remove_return_type.
792 (__remove_return_type, _GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG)
793 [C++20]: guard behind __cpp_lib_list_remove_return_type instead.
794 * include/bits/stl_iterator.h: Switch to bits/version.h for
795 __cpp_lib_{constexpr_iterator,array_constexpr} and
796 __cpp_lib_{make_reverse_iterator,move_iterator_concept}.
797 (make_reverse_iterator): Guard behind
798 __cpp_lib_make_reverse_iterator.
799 (iterator_concept et al): Guard __cpp_lib_move_iterator_concept
800 changes behind that FTM.
801 * include/bits/stl_function.h: Switch to bits/version.h for
802 __cpp_lib_transparent_operators.
803 (equal_to, not_equal_to, greater, less, greater_equal)
804 (less_equal, bit_and, bit_or, bit_xor, bit_not, logical_and)
805 (logical_or, logical_not, plus, minus, multiplies, divides)
806 (modulus, negate): Guard '= void' fwdecls behind
807 __cpp_lib_transparent_operators.
808 (plus<void>, minus<void>, multiplies<void>, divides<void>)
809 (modulus<void>, negate<void>, logical_and<void>, logical_or<void>)
810 (logical_not<void>, bit_and<void>, bit_or<void>, bit_xor<void>)
811 (equal_to<void>, not_equal_to<void>, greater<void>, less<void>)
812 (greater_equal<void>, less_equal<void>, bit_not<void>)
813 (__has_is_transparent): Guard behind
814 __cpp_lib_transparent_operators.
815 * include/bits/stl_algobase.h: Switch to bits/version.h for
816 __cpp_lib_robust_nonmodifying_seq_ops.
817 (robust equal, mismatch): Guard behind
818 __cpp_lib_nonmember_container_access.
819 * include/bits/stl_algo.h: Swtich to bits/version.h for
820 __cpp_lib_{clamp,sample}.
821 (clamp): Guard behind __cpp_lib_clamp.
822 (sample): Guard behind __cpp_lib_sample.
823 * include/bits/specfun.h: Switch to bits/version.h for
824 __cpp_lib_math_special_functions and __STDCPP_MATH_SPEC_FUNCS__.
825 * include/bits/shared_ptr_base.h: Switch to bits/version.h for
826 __cpp_lib_{smart_ptr_for_overwrite,shared_ptr_arrays}.
827 (_Sp_overwrite_tag): Guard behind
828 __cpp_lib_smart_ptr_for_overwrite.
829 * include/bits/shared_ptr_atomic.h: Switch to bits/version.h for
830 __cpp_lib_atomic_shared_ptr.
831 * include/bits/shared_ptr.h: Switch to bits/version.h for
832 __cpp_lib_{enable_shared_from_this,shared_ptr_weak_type}.
833 (shared_ptr<T>::weak_type): Guard behind
834 __cpp_lib_shared_ptr_weak_type.
835 (enable_shared_from_this<T>::weak_from_this): Guard behind
836 __cpp_lib_enable_shared_from_this.
837 * include/bits/ranges_cmp.h: Switch to bits/version.h for
839 * include/bits/ranges_algo.h: Switch to bits/version.h for
840 __cpp_lib_{shift,ranges_{contains,find_last,fold,iota}}.
841 * include/bits/range_access.h: Switch to bits/version.h for
842 __cpp_lib_nonmember_container_access
843 (size, empty, data): Guard behind
844 __cpp_lib_nonmember_container_access.
845 (ssize): Guard behind __cpp_lib_ssize.
846 * include/bits/ptr_traits.h: Switch to bits/version.h. for
847 __cpp_lib_{constexpr_memory,to_address}.
848 (to_address): Guard behind __cpp_lib_to_address.
849 * include/bits/node_handle.h: Switch to bits/version.h for
850 __cpp_lib_node_extract. Guard header behind that FTM.
851 * include/bits/move_only_function.h: Switch to bits/version.h for
852 __cpp_lib_move_only_function. Guard header behind that FTM.
853 * include/bits/move.h: Switch to bits/version.h for
854 __cpp_lib_addressof_constexpr.
855 * include/bits/ios_base.h: Switch to bits/version.h for
856 __cpp_lib_ios_noreplace.
857 (noreplace): Guard with __cpp_lib_ios_noreplace.
858 * include/bits/hashtable.h: Switch to bits/version.h for
859 __cpp_lib_generic_unordered_lookup.
860 (_M_equal_range_tr, _M_count_tr, _M_find_tr): Guard behind
861 __cpp_lib_generic_unordered_lookup.
862 * include/bits/forward_list.h: Switch to bits/version.h for
863 __cpp_lib_list_remove_return_type.
864 (__remove_return_type): Guard behind
865 __cpp_lib_list_remove_return_type.
866 * include/bits/erase_if.h: Switch to bits/version.h for
868 * include/bits/cow_string.h: Switch to bits/version.h for
869 __cpp_lib_constexpr_string.
870 * include/bits/chrono.h: Swtich to bits/version.h for
871 __cpp_lib_chrono{,_udls}.
872 (ceil): Guard behind __cpp_lib_chrono.
873 (operator""ns et al): Guard behind __cpp_lib_chrono_udls.
874 * include/bits/char_traits.h: Switch to bits/version.h for
875 __cpp_lib_constexpr_char_traits.
876 * include/bits/basic_string.h: Switch to bits/version.h for
877 __cpp_lib_{constexpr_string,string_{resize_and_overwrite,udls}}.
878 (resize_and_overwrite): Guard behind
879 __cpp_lib_string_resize_and_overwrite.
880 (operator""s): Guard behind __cpp_lib_string_udls.
881 * include/bits/atomic_wait.h: Switch to bits/version.h for
882 __cpp_lib_atomic_wait. Guard header behind that FTM.
883 * include/bits/atomic_base.h: Switch to bits/version.h for
884 __cpp_lib_atomic_value_initialization and
885 __cpp_lib_atomic_flag_test.
886 (atomic_flag::test): Guard behind __cpp_lib_atomic_flag_test,
888 * include/bits/allocator.h: Switch to bits/version.h for
889 __cpp_lib_incomplete_container_elements.
890 * include/bits/alloc_traits.h: Switch to using bits/version.h for
891 __cpp_lib_constexpr_dynamic_alloc and
892 __cpp_lib_allocator_traits_is_always_equal.
893 * include/bits/align.h: Switch to bits/version.h for defining
894 __cpp_lib_assume_aligned.
895 (assume_aligned): Guard with __cpp_lib_assume_aligned.
896 * include/bits/algorithmfwd.h: Switch to bits/version.h for
897 defining __cpp_lib_constexpr_algorithms.
898 * include/std/stacktrace: Switch to bits/version.h for
899 __cpp_lib_stacktrace. Guard header behind that FTM.
900 * testsuite/23_containers/array/tuple_interface/get_neg.cc:
903 2023-08-16 Arsen Arsenović <arsen@aarsen.me>
905 * include/Makefile.am (bits_freestanding): Add version.h.
906 (allcreated): Add version.h.
907 (${bits_srcdir}/version.h): New rule. Regenerates
908 version.h out of version.{def,tpl}.
909 * include/Makefile.in: Regenerate.
910 * include/bits/version.def: New file. Declares a list of
911 all feature test macros, their values and their preconditions.
912 * include/bits/version.tpl: New file. Turns version.def
913 into a sequence of #if blocks.
914 * include/bits/version.h: New file. Generated from
916 * include/std/version: Replace with a __glibcxx_want_all define
917 and bits/version.h include.
919 2023-08-14 Paul Dreik <gccpatches@pauldreik.se>
922 * include/std/format (__formatter_fp::format): Use frexp instead
925 2023-08-12 Ken Matsui <kmatsui@gcc.gnu.org>
927 * include/std/type_traits (true_type): Use __bool_constant
929 (false_type): Likewise.
930 (bool_constant): Likewise.
932 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
935 * include/std/format (_Seq_sink::get): Only call _M_overflow if
936 its precondition is met.
937 (_Iter_sink::_M_finish): Likewise.
938 (_Iter_sink<C, ContigIter>::_M_overflow): Only switch to the
939 internal buffer after running out of space.
940 (_Iter_sink<C, ContigIter>::_M_finish): Do not use _M_overflow.
941 (_Counting_sink::count): Likewise.
942 * testsuite/std/format/functions/format_to_n.cc: Check cases
943 where the output fits into the buffer.
945 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
948 * include/bits/chrono_io.h (operator|=, operator|): Add noexcept
949 to _ChronoParts operators.
950 (from_stream, parse): Define new functions.
951 (__detail::_Parse, __detail::_Parser): New class templates.
952 * include/std/chrono (__cpp_lib_chrono): Define to 201907L for
954 * include/std/version (__cpp_lib_chrono): Likewise.
955 * testsuite/20_util/duration/arithmetic/constexpr_c++17.cc:
956 Adjust expected value of feature test macro.
957 * testsuite/20_util/duration/io.cc: Test parsing.
958 * testsuite/std/time/clock/file/io.cc: Likewise.
959 * testsuite/std/time/clock/gps/io.cc: Likewise.
960 * testsuite/std/time/clock/system/io.cc: Likewise.
961 * testsuite/std/time/clock/tai/io.cc: Likewise.
962 * testsuite/std/time/clock/utc/io.cc: Likewise.
963 * testsuite/std/time/day/io.cc: Likewise.
964 * testsuite/std/time/month/io.cc: Likewise.
965 * testsuite/std/time/month_day/io.cc: Likewise.
966 * testsuite/std/time/weekday/io.cc: Likewise.
967 * testsuite/std/time/year/io.cc: Likewise.
968 * testsuite/std/time/year_month/io.cc: Likewise.
969 * testsuite/std/time/year_month_day/io.cc: Likewise.
970 * testsuite/std/time/syn_c++20.cc: Check value of macro and for
971 the existence of parse and from_stream in namespace chrono.
972 * testsuite/std/time/clock/local/io.cc: New test.
973 * testsuite/std/time/parse.cc: New test.
975 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
978 * include/std/format (__formatter_fp::format): Do not call log10
981 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
983 * python/libstdcxx/v6/printers.py (StdChronoCalendarPrinter):
984 Check for out-of-range month an weekday indices.
985 * testsuite/libstdc++-prettyprinters/chrono.cc: Check invalid
986 month and weekday values.
988 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
990 * include/bits/stl_iterator.h (__clamped_iter_cat_t): Remove.
992 2023-08-10 Jonathan Wakely <jwakely@redhat.com>
995 * include/std/format (_Spec::_S_parse_width_or_precision): Check
996 for empty range before dereferencing iterator.
997 * testsuite/std/format/string.cc: Check for expected exception.
998 Fix expected exception message in test_pr110862() and actually
1001 2023-08-10 Jonathan Wakely <jwakely@redhat.com>
1004 * include/std/format (__formatter_fp::format): Check return
1005 value of _M_localize.
1006 * testsuite/std/format/functions/format.cc: Check classic
1009 2023-08-10 Jonathan Wakely <jwakely@redhat.com>
1012 * include/bits/stl_iterator.h (__detail::__move_iter_cat): Use
1014 (iterator_traits<common_iterator<I, S>>::_S_iter_cat): Likewise.
1015 (__detail::__basic_const_iterator_iter_cat): Likewise.
1016 * include/bits/stl_iterator_base_types.h (__iterator_category_t):
1017 Rename to __iter_category_t.
1019 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
1021 * include/bits/chrono.h (duration_cast): Do not use braces
1022 around statements for C++11 constexpr rules.
1023 * include/bits/stl_algobase.h (__lg): Rewrite as a single
1024 statement for C++11 constexpr rules.
1025 * include/experimental/bits/fs_path.h (path::string): Use
1026 _GLIBCXX17_CONSTEXPR not _GLIBCXX_CONSTEXPR for 'if constexpr'.
1027 * include/std/charconv (__to_chars_8): Initialize variable for
1028 C++17 constexpr rules.
1030 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
1032 * include/bits/list.tcc (list::sort(Cmp)): Fix -Wsign-compare
1033 warning for loop condition.
1035 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
1037 * include/std/complex: Add diagnostic pragma for clang.
1039 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
1041 * include/bits/shared_ptr_atomic.h (atomic): Change class-head
1043 * include/bits/stl_tree.h (_Rb_tree_merge_helper): Change
1044 class-head to struct in friend declaration.
1045 * include/std/chrono (tzdb_list::_Node): Likewise.
1046 * include/std/future (_Task_state_base, _Task_state): Likewise.
1047 * include/std/scoped_allocator (__inner_type_impl): Likewise.
1048 * include/std/valarray (_BinClos, _SClos, _GClos, _IClos)
1049 (_ValFunClos, _RefFunClos): Change class-head to struct.
1051 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
1053 * include/bits/alloc_traits.h (allocate): Add [[maybe_unused]]
1055 * include/bits/regex_executor.tcc: Remove name of unused
1057 * include/bits/shared_ptr_atomic.h (atomic_is_lock_free):
1059 * include/bits/stl_uninitialized.h: Likewise.
1060 * include/bits/streambuf_iterator.h (operator==): Likewise.
1061 * include/bits/uses_allocator.h: Likewise.
1062 * include/c_global/cmath (isfinite, isinf, isnan): Likewise.
1063 * include/std/chrono (zoned_time): Likewise.
1064 * include/std/future (__future_base::_S_allocate_result):
1066 (packaged_task): Likewise.
1067 * include/std/optional (_Optional_payload_base): Likewise.
1068 * include/std/scoped_allocator (__inner_type_impl): Likewise.
1069 * include/std/tuple (_Tuple_impl): Likewise.
1071 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
1073 * include/bits/new_allocator.h (__new_allocator): Define copy
1074 assignment operator as defaulted.
1075 * include/std/complex (complex<float>, complex<double>)
1076 (complex<long double>): Define copy constructor as defaulted.
1078 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
1080 * include/std/format: Fix some warnings.
1081 (__format::__write(Ctx&, basic_string_view<CharT>)): Remove
1082 unused function template.
1084 2023-08-07 Jonathan Wakely <jwakely@redhat.com>
1087 * include/std/format (__formatter_fp::format): Do not use
1088 __builtin_abs and __builtin_log10 with arbitrary floating-point
1091 2023-08-07 Jonathan Wakely <jwakely@redhat.com>
1094 * include/std/format (__format::_Iter_sink<CharT, OutIter>):
1095 Constrain partial specialization for contiguous iterators to
1096 require the value type to be CharT.
1097 * testsuite/std/format/functions/format_to.cc: New test.
1099 2023-08-07 Jonathan Wakely <jwakely@redhat.com>
1102 * include/std/format (_Scanner::_M_on_replacement_field):
1103 Check for expected '}' before incrementing iterator.
1104 * testsuite/std/format/string.cc: Check "{0:{0}" format string.
1106 2023-08-07 Nick Alcock <nick.alcock@oracle.com>
1108 * configure: Regenerate.
1110 2023-08-07 Alan Modra <amodra@gmail.com>
1112 * configure: Regenerate.
1114 2023-08-07 Alexander von Gluck IV <kallisti5@unixzen.com>
1116 * configure: Regenerate.
1118 2023-08-07 Nick Alcock <nick.alcock@oracle.com>
1120 * configure: Regenerate.
1122 2023-08-07 Nick Alcock <nick.alcock@oracle.com>
1124 * configure: Regenerate.
1126 2023-08-07 H.J. Lu <hjl.tools@gmail.com>
1128 * configure: Regenerate.
1130 2023-08-07 H.J. Lu <hjl.tools@gmail.com>
1132 * configure: Regenerate.
1134 2023-08-06 François Dumont <fdumont@gcc.gnu.org>
1136 * config/abi/pre/gnu-versioned-namespace.ver: Add __cxa_call_terminate
1139 2023-07-30 François Dumont <fdumont@gcc.gnu.org>
1141 * src/c++11/compatibility-ldbl-facets-aliases.h: Replace #define with
1143 * src/c++11/locale-inst-monetary.h: Likewise.
1144 * src/c++11/locale-inst-numeric.h: Likewise.
1146 2023-07-27 Jonathan Wakely <jwakely@redhat.com>
1149 * include/std/format (__formatter_fp::format): Ensure __expc is
1150 always set for all presentation types. Set __z correctly for
1152 * testsuite/std/format/functions/format.cc: Check problem cases.
1154 2023-07-26 Jonathan Wakely <jwakely@redhat.com>
1157 * testsuite/23_containers/vector/bool/110807.cc: Require c++11.
1159 2023-07-26 Jonathan Wakely <jwakely@redhat.com>
1162 * include/bits/stl_bvector.h (vector(const vector&)): Access
1163 iterators before allocating.
1164 * include/bits/vector.tcc (vector<bool>::_M_insert_range):
1166 * testsuite/23_containers/vector/bool/110807.cc: New test.
1168 2023-07-26 Jonathan Wakely <jwakely@redhat.com>
1170 * include/bits/algorithmfwd.h (random_shuffle): Add deprecated
1172 * include/bits/stl_algo.h (random_shuffle): Correct comments.
1173 * testsuite/25_algorithms/random_shuffle/1.cc: Disable
1174 deprecated warnings.
1175 * testsuite/25_algorithms/random_shuffle/59603.cc: Likewise.
1176 * testsuite/25_algorithms/random_shuffle/moveable.cc: Likewise.
1177 * testsuite/25_algorithms/random_shuffle/deprecated.cc: New
1180 2023-07-26 Nathaniel Shead <nathanieloshead@gmail.com>
1182 * testsuite/25_algorithms/equal/constexpr_neg.cc: Update diagnostic
1184 * testsuite/26_numerics/gcd/105844.cc: Likewise.
1185 * testsuite/26_numerics/lcm/105844.cc: Likewise.
1187 2023-07-24 Deev Patel <pateldeev@nevada.unr.edu>
1189 * include/std/format (_Formatting_scanner::_M_on_chars): Add
1190 missing constexpr specifier.
1191 (_Formatting_scanner::_M_format_arg): Likewise.
1193 2023-07-24 Jonathan Wakely <jwakely@redhat.com>
1196 * include/bits/basic_string.h [!HAVE_STOF] (stof): Do not
1197 throw an exception for zero result.
1198 [HAVE_BROKEN_STRTOLD] (stold): Do not use strtold.
1200 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1203 * src/c++17/floating_from_chars.cc (from_chars): Only define
1204 _Float128 overload when using __strfromf128.
1206 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1209 * include/bits/chrono.h (duration): Improve static assert
1211 (__is_ratio): Move to ...
1212 * include/std/ratio (__is_ratio): ... here.
1213 (__is_ratio_v): New variable template and partial
1215 (__are_both_ratios): New function template.
1216 (__ratio_multiply, ratio_equal, ratio_less, __ratio_add):
1217 Add static assertion.
1218 * testsuite/20_util/ratio/requirements/type_constraints.cc:
1220 * testsuite/20_util/duration/requirements/typedefs_neg1.cc:
1221 Adjust expected error.
1222 * testsuite/20_util/duration/requirements/typedefs_neg2.cc:
1225 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1227 * include/bits/chrono_io.h (__formatter_chrono::_M_format):
1228 Do not set __is_neg for hh_mm_ss before calling
1229 _M_format_to_ostream. Change __print_sign lambda to only check
1230 __is_neg for durations and hh_mm_ss types.
1231 (__formatter_chrono::_M_format_to_ostream): Only check __is_neg
1233 * testsuite/std/time/hh_mm_ss/io.cc: Check negative values.
1235 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1238 * include/bits/chrono_io.h (__formatter_chrono::_S_floor_seconds):
1239 Handle duration and hh_mm_ss.
1240 * testsuite/20_util/duration/io.cc: Check locale-specific
1242 * testsuite/std/time/hh_mm_ss/io.cc: Likewise.
1244 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1246 * include/std/format (__write_padded): Initialize first element
1247 of array to avoid a -Wmaybe-uninitialized warning.
1249 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1252 * include/bits/chrono_io.h (__formatter_chrono::_M_parse): Fix
1253 allowed modifiers for %z and %Z. Fix -Wparentheses and
1254 -Wnarrowing warnings.
1255 (__formatter_chrono::_M_format): Call new functions for %d, %e,
1257 (__formatter_chrono::_M_c): Use _S_floor_seconds to remove
1258 subsecond precision.
1259 (__formatter_chrono::_M_C_y_Y): Use _M_locale_fmt to handle
1261 (__formatter_chrono::_M_e): Replace with _M_d_e and use
1263 (__formatter_chrono::_M_I): Replace with _M_H_I and use
1265 (__formatter_chrono::_M_m): New function.
1266 (__formatter_chrono::_M_M): New function.
1267 (__formatter_chrono::_M_r): Use _M_locale_fmt.
1268 (__formatter_chrono::_M_S): Likewise.
1269 (__formatter_chrono::_M_u_w): Likewise.
1270 (__formatter_chrono::_M_U_V_W): Likewise.
1271 (__formatter_chrono::_M_X): Use _S_floor_seconds.
1272 (__formatter_chrono::_M_Z): Fix untested branch for wchar_t.
1273 (__formatter_chrono::_S_altnum): Remove function.
1274 (__formatter_chrono::_S_dd_zero_fill): Remove function.
1275 (__formatter_chrono::_S_floor_seconds): New function.
1276 (__formatter_chrono::_M_locale_fmt): New function.
1277 * testsuite/std/time/clock/system/io.cc: Adjust expected output
1278 for locale-specific formats and check modified formats.
1279 * testsuite/std/time/clock/utc/io.cc: Likewise.
1280 * testsuite/std/time/zoned_time/io.cc: New test.
1282 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1285 * include/bits/chrono_io.h (__formatter_chrono::_M_parse): Only
1286 allow a single modifier.
1287 * testsuite/std/time/format.cc: Check multiple modifiers.
1289 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1292 * testsuite/21_strings/basic_string/numeric_conversions/char/stod.cc:
1293 Remove dg-require-string-conversions.
1294 * testsuite/21_strings/basic_string/numeric_conversions/char/stof.cc:
1296 * testsuite/21_strings/basic_string/numeric_conversions/char/stoi.cc:
1298 * testsuite/21_strings/basic_string/numeric_conversions/char/stol.cc:
1300 * testsuite/21_strings/basic_string/numeric_conversions/char/stoul.cc:
1303 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1306 * include/bits/basic_string.h [!_GLIBCXX_HAVE_STRTOF] (stof):
1307 Define in terms of std::stod.
1309 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1312 * include/bits/basic_string.h [_GLIBCXX_HAVE_STRTOF] (stof):
1314 [_GLIBCXX_HAVE_STRTOLD] (stold): Define.
1315 * include/c_global/cstdlib [_GLIBCXX_HAVE_STRTOF] (strtof):
1316 Declare in namespace std.
1317 [_GLIBCXX_HAVE_STRTOLD] (strtold): Likewise.
1319 2023-07-13 Jonathan Wakely <jwakely@redhat.com>
1322 * include/bits/basic_string.h (stoi, stol, stoul, stod): Do not
1323 depend on _GLIBCXX_USE_C99_STDLIB.
1324 [__LONG_WIDTH__ == __LONG_LONG_WIDTH__] (stoll, stoull): Define
1325 in terms of stol and stoul respectively.
1326 [__DBL_MANT_DIG__ == __LDBL_MANT_DIG__] (stold): Define in terms
1329 2023-07-12 Jonathan Wakely <jwakely@redhat.com>
1332 * testsuite/27_io/filesystem/path/construct/95048.cc: Check
1333 conversions to wide strings.
1334 * testsuite/experimental/filesystem/path/construct/95048.cc:
1337 2023-07-12 Jonathan Wakely <jwakely@redhat.com>
1339 * config/io/basic_file_stdio.cc: Define LFS macros.
1340 (__basic_file<char>::open): Use fopen unconditionally.
1341 (get_file_offset): Use lseek unconditionally.
1342 (__basic_file<char>::seekoff): Likewise.
1343 (__basic_file<char>::showmanyc): Use fstat unconditionally.
1345 2023-07-12 Jonathan Wakely <jwakely@redhat.com>
1348 * acinclude.m4 (GLIBCXX_CHECK_LFS): Check for fseeko and ftello
1349 and define _GLIBCXX_USE_FSEEKO_FTELLO.
1350 * config.h.in: Regenerate.
1351 * configure: Regenerate.
1352 * config/io/basic_file_stdio.cc (xwrite) [_GLIBCXX_USE_STDIO_PURE]:
1353 Check for fwrite error correctly.
1354 (__basic_file<char>::xsgetn) [_GLIBCXX_USE_STDIO_PURE]: Check for
1355 fread error correctly.
1356 (get_file_offset): New function.
1357 (__basic_file<char>::seekoff) [_GLIBCXX_USE_STDIO_PURE]: Use
1358 fseeko if available. Use get_file_offset instead of return value
1360 (__basic_file<char>::showmanyc): Use get_file_offset.
1362 2023-07-12 Ken Matsui <kmatsui@gcc.gnu.org>
1364 * include/std/type_traits (__make_unsigned_selector): Use
1365 __is_enum built-in trait.
1366 (__make_signed_selector): Likewise.
1367 (__underlying_type_impl): Likewise.
1369 2023-07-06 Tianqiang Shuai <1101282468@qq.com>
1371 * config/io/basic_file_stdio.cc (xwrite) [USE_STDIO_PURE]: Fix
1374 2023-07-06 Jonathan Wakely <jwakely@redhat.com>
1377 * doc/xml/manual/configure.xml: Describe stdio_pure argument to
1379 * doc/html/manual/configure.html: Regenerate.
1381 2023-07-05 Thomas Rodgers <trodgers@redhat.com>
1383 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: Delete
1385 * testsuite/25_algorithms/pstl/alg_sorting/set_difference.cc:
1387 * testsuite/25_algorithms/pstl/alg_sorting/set_intersection.cc:
1389 * testsuite/25_algorithms/pstl/alg_sorting/set_symmetric_difference.cc:
1391 * testsuite/25_algorithms/pstl/alg_sorting/set_union.cc:
1393 * testsuite/25_algorithms/pstl/alg_sorting/set_util.h:
1396 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
1398 * testsuite/23_containers/forward_list/debug/iterator1_neg.cc:
1399 Skip as UNSUPPORTED for C++98 mode.
1400 * testsuite/23_containers/forward_list/debug/iterator3_neg.cc:
1403 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
1406 * include/bits/stl_uninitialized.h (__uninitialized_default_n):
1407 Do not use std::fill_n during constant evaluation.
1409 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
1411 * include/bits/vector.tcc (_M_default_append): Replace try-block
1414 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
1416 * include/bits/iterator_concepts.h (projected): Add typename.
1418 2023-07-03 Jonathan Wakely <jwakely@redhat.com>
1420 * testsuite/27_io/headers/iosfwd/synopsis.cc: Make wsyncbuf and
1421 wosyncstream depend on _GLIBCXX_USE_CXX11_ABI.
1423 2023-07-03 Jonathan Wakely <jwakely@redhat.com>
1425 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
1426 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
1427 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
1428 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
1430 2023-07-03 Jonathan Wakely <jwakely@redhat.com>
1432 * include/bits/alloc_traits.h (_Destroy): Qualify call.
1433 * include/bits/stl_construct.h (_Destroy, _Destroy_n): Likewise.
1434 * testsuite/23_containers/vector/cons/destroy-adl.cc: New test.
1436 2023-07-03 Iain Sandoe <iain@sandoe.co.uk>
1438 * testsuite/lib/libstdc++.exp: Remove additional flag handled
1441 2023-06-30 Jonathan Wakely <jwakely@redhat.com>
1444 * acinclude.m4 (GLIBCXX_CHECK_INIT_PRIORITY): New.
1445 * config.h.in: Regenerate.
1446 * configure: Regenerate.
1447 * configure.ac: Use GLIBCXX_CHECK_INIT_PRIORITY.
1448 * include/std/iostream: Use new autoconf macro as well as
1450 * src/c++98/ios_base_init.h: Use new autoconf macro instead of
1453 2023-06-30 Jonathan Wakely <jwakely@redhat.com>
1455 * src/c++11/random.cc (random_device::_M_init): Add maybe_unused
1458 2023-06-30 Jonathan Wakely <jwakely@redhat.com>
1461 * src/c++11/random.cc (random_device::_M_init): Throw
1462 std::system_error when the requested device is a valid token but
1463 not available at runtime.
1465 2023-06-30 Hans-Peter Nilsson <hp@axis.com>
1468 * include/pstl/unseq_backend_simd.h (__simd_or): Re-apply using
1469 __INT32_TYPE__ instead of int32_t.
1471 2023-06-29 Jonathan Wakely <jwakely@redhat.com>
1473 * src/c++20/tzdb.cc (USE_ATOMIC_SHARED_PTR): Define consistently
1474 with USE_ATOMIC_LIST_HEAD.
1475 (list_mutex): Replace global object with function. Use local
1476 static object when std::mutex constructor isn't constexpr.
1478 2023-06-29 Jonathan Wakely <jwakely@redhat.com>
1481 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check that
1482 copy_file_range can be called with loff_t* arguments.
1483 * configure: Regenerate.
1484 * src/filesystem/ops-common.h (copy_file_copy_file_range):
1485 Use loff_t for offsets.
1487 2023-06-29 Tom Tromey <tromey@adacore.com>
1489 * testsuite/lib/gdb-test.exp (gdb-test): Relax type-printer
1492 2023-06-28 Jan Hubicka <jh@suse.cz>
1494 PR middle-end/109849
1495 * include/bits/c++config (std::__terminate): Mark cold.
1496 * include/bits/functexcept.h: Mark everything as cold.
1497 * libsupc++/exception: Mark terminate and unexpected as cold.
1499 2023-06-26 Thomas Rodgers <trodgers@redhat.com>
1501 * include/pstl/algorithm_fwd.h: Synchronize with upstream.
1502 * include/pstl/algorithm_impl.h: Likewise.
1503 * include/pstl/execution_defs.h: Likewise.
1504 * include/pstl/execution_impl.h: Likewise.
1505 * include/pstl/glue_algorithm_impl.h: Likewise.
1506 * include/pstl/glue_execution_defs.h: Likewise.
1507 * include/pstl/glue_memory_impl.h: Likewise.
1508 * include/pstl/glue_numeric_impl.h: Likewise.
1509 * include/pstl/memory_impl.h: Likewise.
1510 * include/pstl/numeric_fwd.h: Likewise.
1511 * include/pstl/numeric_impl.h: Likewise.
1512 * include/pstl/parallel_backend.h: Likewise.
1513 * include/pstl/parallel_backend_serial.h: Likewise.
1514 * include/pstl/parallel_backend_tbb.h: Likewise.
1515 * include/pstl/parallel_impl.h: Likewise.
1516 * include/pstl/pstl_config.h: Likewise.
1517 * include/pstl/unseq_backend_simd.h: Likewise.
1518 * include/pstl/utils.h: Likewise.
1519 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
1521 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
1523 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc:
1525 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc:
1527 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
1528 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
1530 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
1532 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc:
1534 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc:
1536 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
1538 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
1540 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
1542 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
1544 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc:
1546 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc:
1548 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
1550 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
1552 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
1554 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc:
1556 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc:
1558 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc:
1560 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
1562 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
1564 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc:
1566 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc:
1568 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc:
1570 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc:
1572 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc:
1574 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc:
1576 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc:
1578 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
1580 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc:
1582 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc:
1584 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc:
1586 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc:
1588 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
1590 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc:
1592 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
1594 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc:
1596 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc:
1598 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc:
1600 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc:
1602 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
1604 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc:
1606 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc:
1608 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
1610 * testsuite/25_algorithms/pstl/alg_sorting/set.cc:
1612 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc:
1614 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
1616 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc:
1618 * testsuite/26_numerics/pstl/numeric_ops/scan.cc:
1620 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc:
1622 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc:
1624 * testsuite/util/pstl/test_utils.h:
1627 2023-06-26 Jonathan Wakely <jwakely@redhat.com>
1630 * include/std/format (__format::__parse_integer): Fix buffer
1631 overflow for wide chars.
1632 (formatter<const void*, C>::format): Cast to uintptr_t instead
1634 * testsuite/std/format/string.cc: Test too-large widths.
1636 2023-06-26 Jonathan Wakely <jwakely@redhat.com>
1638 * include/bits/iterator_concepts.h (projected): Replace class
1639 template with alias template denoting an ADL-proofed helper.
1640 (incremental_traits<projected<Iter, Proj>>): Remove.
1641 * testsuite/24_iterators/indirect_callable/projected-adl.cc:
1644 2023-06-26 Jonathan Wakely <jwakely@redhat.com>
1646 * include/debug/helper_functions.h (__get_distance)
1647 (__check_singular, __valid_range_aux, __valid_range): Qualify
1648 calls to disable ADL.
1649 (__check_singular_aux(const _Safe_iterator_base*)): Declare
1650 overload that was previously found via ADL.
1652 2023-06-23 Jonathan Wakely <jwakely@redhat.com>
1654 * include/bits/vector.tcc (_M_realloc_insert): Replace try-block
1657 2023-06-20 Jonathan Wakely <jwakely@redhat.com>
1659 * include/std/array (to_array(T(&)[N])): Remove redundant
1661 (to_array(T(&&)[N])): Remove redundant std::move.
1663 2023-06-16 Alexandre Oliva <oliva@adacore.com>
1665 * testsuite/20_util/from_chars/4.cc: Skip long double on
1668 2023-06-16 Joel Brobecker <brobecker@adacore.com>
1670 * configure.ac ["x${with_newlib}" = "xyes"]: Define
1671 HAVE_HYPOTF. Add compile-checks for various long double
1672 math functions as well.
1673 * configure: Regenerate.
1675 2023-06-14 Jonny Grant <jg@jguk.org>
1677 * doc/xml/manual/extensions.xml: Remove demangle exception
1678 description and include.
1679 * doc/html/manual/ext_demangling.html: Regenerate.
1681 2023-06-10 Hans-Peter Nilsson <hp@axis.com>
1683 * testsuite/27_io/basic_istream/ignore/wchar_t/94749.cc (main)
1684 [! SIMULATOR_TEST]: Also exclude running test05.
1685 * testsuite/27_io/basic_istream/ignore/char/94749.cc: Ditto.
1687 2023-06-09 Ken Matsui <kmatsui@cs.washington.edu>
1689 * include/std/type_traits: Use using instead of typedef
1691 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1694 * src/c++17/floating_from_chars.cc (from_chars) <_Float128>:
1695 Only define if _Float128 and long double have different
1698 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1701 * include/experimental/internet [IPPROTO_TCP || IPPROTO_UDP]
1702 (basic_endpoint, basic_resolver_entry, resolver_base)
1703 (basic_resolver_results, basic_resolver): Only define if the tcp
1704 or udp protocols will be defined.
1706 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1708 * acinclude.m4 (libtool_VERSION): Update to 6.0.33.
1709 * configure: Regenerate.
1710 * doc/xml/manual/abi.xml: Add libstdc++.so.6.0.33.
1711 * doc/html/manual/abi.html: Regenerate.
1713 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1716 * include/std/format (formatter<const void*, charT>::parse):
1717 Only alow 0 and P for C++26 and non-strict modes.
1718 (formatter<const void*, charT>::format): Use toupper for P
1719 type, and insert zero-fill characters for 0 option.
1720 * testsuite/std/format/functions/format.cc: Check pointer
1721 formatting. Only check P2510R3 extensions conditionally.
1722 * testsuite/std/format/parse_ctx.cc: Only check P2510R3
1723 extensions conditionally.
1725 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1728 * include/std/array (to_array): Initialize arrays of trivial
1729 types using memcpy. For non-trivial types, use lambda
1730 expressions instead of a separate helper function.
1731 (__to_array): Remove.
1732 * testsuite/23_containers/array/creation/110167.cc: New test.
1734 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1736 * testsuite/23_containers/deque/modifiers/emplace/52799.cc:
1738 * testsuite/23_containers/deque/modifiers/emplace/const_iterator.cc:
1740 * testsuite/23_containers/list/modifiers/emplace/52799.cc:
1742 * testsuite/23_containers/list/modifiers/emplace/const_iterator.cc:
1744 * testsuite/23_containers/vector/modifiers/emplace/52799.cc:
1746 * testsuite/23_containers/vector/modifiers/emplace/const_iterator.cc:
1748 * testsuite/23_containers/deque/modifiers/emplace/1.cc: New
1750 * testsuite/23_containers/list/modifiers/emplace/1.cc: New
1752 * testsuite/23_containers/vector/modifiers/emplace/1.cc: New
1755 2023-06-07 Jakub Jelinek <jakub@redhat.com>
1758 * testsuite/20_util/to_chars/double.cc: Include <cfloat>.
1759 (double_to_chars_test_cases,
1760 double_scientific_precision_to_chars_test_cases_2,
1761 double_fixed_precision_to_chars_test_cases_2): #if out 1e126, 4.91e-6
1762 and 5.547e-6 tests if FLT_EVAL_METHOD is negative or larger than 1.
1763 Add unconditional tests with corresponding double constants
1764 0x1.7a2ecc414a03fp+418, 0x1.4981285e98e79p-18 and
1765 0x1.7440bbff418b9p-18.
1767 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
1769 * testsuite/util/testsuite_abi.cc (check_version): Re-add
1772 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
1774 * testsuite/18_support/nested_exception/rethrow_if_nested-term.cc:
1775 Require effective target exceptions_enabled instead of using
1777 * testsuite/23_containers/vector/capacity/constexpr.cc: Expect
1778 shrink_to_fit() to be a no-op without exceptions enabled.
1779 * testsuite/23_containers/vector/capacity/shrink_to_fit.cc:
1781 * testsuite/ext/bitmap_allocator/check_allocate_max_size.cc:
1782 Require effective target exceptions_enabled.
1783 * testsuite/ext/malloc_allocator/check_allocate_max_size.cc:
1785 * testsuite/ext/mt_allocator/check_allocate_max_size.cc:
1787 * testsuite/ext/new_allocator/check_allocate_max_size.cc:
1789 * testsuite/ext/pool_allocator/check_allocate_max_size.cc:
1791 * testsuite/ext/throw_allocator/check_allocate_max_size.cc:
1794 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
1796 * testsuite/20_util/duration/cons/2.cc: Use values that aren't
1797 affected by rounding.
1798 * testsuite/20_util/from_chars/5.cc: Cast arithmetic result to
1799 double before comparing for equality.
1800 * testsuite/20_util/from_chars/6.cc: Likewise.
1801 * testsuite/20_util/variant/86874.cc: Use values that aren't
1802 affected by rounding.
1803 * testsuite/25_algorithms/lower_bound/partitioned.cc: Compare to
1804 original value instead of to floating-point-literal.
1805 * testsuite/26_numerics/random/discrete_distribution/cons/range.cc:
1806 Cast arithmetic result to double before comparing for equality.
1807 * testsuite/26_numerics/random/piecewise_constant_distribution/cons/range.cc:
1809 * testsuite/26_numerics/random/piecewise_linear_distribution/cons/range.cc:
1811 * testsuite/26_numerics/valarray/transcend.cc (eq): Check that
1812 the absolute difference is less than 0.01 instead of comparing
1813 to two decimal places.
1814 * testsuite/27_io/basic_istream/extractors_arithmetic/char/01.cc:
1815 Cast arithmetic result to double before comparing for equality.
1816 * testsuite/27_io/basic_istream/extractors_arithmetic/char/09.cc:
1818 * testsuite/27_io/basic_istream/extractors_arithmetic/char/10.cc:
1820 * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/01.cc:
1822 * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/09.cc:
1824 * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/10.cc:
1826 * testsuite/ext/random/hoyt_distribution/cons/parms.cc: Likewise.
1828 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
1831 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1833 * configure.ac: Use AS_IF.
1834 * configure: Regenerate.
1836 2023-06-07 Thomas Schwinge <thomas@codesourcery.com>
1838 * testsuite/lib/prune.exp (libstdc++-dg-prune): Support
1839 'UNSUPPORTED: [...]: exception handling disabled'.
1841 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1843 * testsuite/util/testsuite_abi.cc (check_version): Add
1844 CXXABI_1.3.15 symver and make it the latestp. Remove
1845 GLIBCXX_IEEE128_3.4.31 and GLIBCXX_LDBL_3.4.31 from latestp.
1847 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1848 Jakub Jelinek <jakub@redhat.com>
1851 * include/std/limits: (numeric_limits<__float128>): Define
1852 for __STRICT_ANSI__ as well.
1853 * testsuite/18_support/numeric_limits/128bit.cc: Remove
1854 check for __STRICT_ANSI__.
1856 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1858 * configure.ac: Use AS_IF.
1859 * configure: Regenerate.
1861 2023-06-06 Matthias Kretz <m.kretz@gsi.de>
1864 * include/experimental/bits/simd_builtin.h (_S_store): Rewrite
1865 to avoid casts to other vector types. Implement store as
1866 succession of power-of-2 sized memcpy to avoid PR90424.
1868 2023-06-06 Matthias Kretz <m.kretz@gsi.de>
1871 * include/experimental/bits/simd_builtin.h (_S_masked_store):
1872 Call into deduced ABI's SimdImpl after conversion.
1873 * include/experimental/bits/simd_x86.h (_S_masked_store_nocvt):
1874 Don't use _mm_maskmoveu_si128. Use the generic fall-back
1875 implementation. Also fix masked stores without SSE2, which
1876 were not doing anything before.
1878 2023-06-06 Matthias Kretz <m.kretz@gsi.de>
1880 * include/experimental/bits/simd.h (__bit_cast): Use
1881 __gnu__::__vector_size__ instead of gnu::vector_size.
1883 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1886 * include/std/array (__array_traits<T, 0>::operator T*()): Make
1887 conversion operator explicit.
1888 (array::front): Use size_type as subscript operand.
1889 (array::data): Use static_cast to make conversion explicit.
1890 * testsuite/23_containers/array/element_access/110139.cc: New
1893 2023-06-06 Joseph Faulls <Joseph.Faulls@imgtec.com>
1895 * include/bits/locale_classes.tcc: Remove check for
1896 codecvt<char8_t, char, mbstate_t> facet.
1898 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1900 * src/filesystem/ops-common.h (do_copy_file) [O_CLOEXEC]: Set
1901 close-on-exec flag on file descriptors.
1903 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1906 * src/filesystem/ops-common.h (do_copy_file): Check for empty
1907 files by trying to read a character.
1908 * testsuite/27_io/filesystem/operations/copy_file_108178.cc:
1911 2023-06-06 Jannik Glückert <jannik.glueckert@gmail.com>
1913 * acinclude.m4 (_GLIBCXX_USE_COPY_FILE_RANGE): Define.
1914 * config.h.in: Regenerate.
1915 * configure: Regenerate.
1916 * src/filesystem/ops-common.h (copy_file_copy_file_range):
1917 Define new function.
1918 (do_copy_file): Use it.
1920 2023-06-06 Jannik Glückert <jannik.glueckert@gmail.com>
1922 * acinclude.m4 (_GLIBCXX_HAVE_LSEEK): Define.
1923 * config.h.in: Regenerate.
1924 * configure: Regenerate.
1925 * src/filesystem/ops-common.h (copy_file_sendfile): Define new
1926 function for sendfile logic. Loop to support large files. Skip
1928 (do_copy_file): Use it.
1930 2023-06-04 Jason Merrill <jason@redhat.com>
1933 * libsupc++/eh_call.cc (__cxa_call_terminate): Take void*.
1934 * config/abi/pre/gnu.ver: Add it.
1936 2023-06-02 François Dumont <fdumont@gcc.gnu.org>
1938 * include/parallel/algobase.h: Include <parallel/search.h>.
1940 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
1942 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc:
1943 Add const to equality operator.
1945 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
1947 * include/std/expected (expected::and_then, expected::or_else)
1948 (expected::transform_error): Use _M_val and _M_unex instead of
1949 calling value() and error(), as per LWG 3938.
1950 (expected::transform): Likewise. Remove incorrect std::move
1951 calls from lvalue overloads.
1952 (expected<void, E>::and_then, expected<void, E>::or_else)
1953 (expected<void, E>::transform): Use _M_unex instead of calling
1955 * testsuite/20_util/expected/lwg3877.cc: Add checks for and_then
1956 and transform, and for std::expected<void, E>.
1957 * testsuite/20_util/expected/lwg3938.cc: New test.
1959 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
1962 * include/bits/stl_vector.h (_Vector_base::_M_invariant):
1964 (vector::size, vector::capacity): Remove calls to _M_invariant.
1965 * include/bits/vector.tcc (vector::_M_fill_assign): Add
1966 optimization hint to reallocating path.
1967 (vector::_M_assign_aux(FwdIter, FwdIter, forward_iterator_tag)):
1969 * testsuite/23_containers/vector/capacity/invariant.cc: Moved
1971 * testsuite/23_containers/vector/modifiers/assign/no_realloc.cc:
1972 ...here. Check assign(FwdIter, FwdIter) too.
1973 * testsuite/23_containers/vector/types/1.cc: Revert addition
1974 of -Wno-stringop-overread option.
1976 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
1978 * doc/xml/manual/evolution.xml: Document removal of implicit
1979 allocator rebinding extensions in strict mode and for C++20.
1980 * doc/html/*: Regenerate.
1982 2023-06-01 Jason Merrill <jason@redhat.com>
1984 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Don't check
1985 handlers in the cleanup phase.
1987 2023-06-01 Matthias Kretz <m.kretz@gsi.de>
1990 * include/experimental/bits/simd.h (__vectorized_sizeof): With
1991 __have_neon_a32 only single-precision float works (in addition
1994 2023-06-01 François Dumont <fdumont@gcc.gnu.org>
1996 * include/bits/stl_algo.h
1997 (std::__search, std::search(_FwdIt1, _FwdIt1, _FwdIt2, _FwdIt2, _BinPred)): Move...
1998 * include/bits/stl_algobase.h: ...here.
1999 * include/std/functional: Replace <stl_algo.h> include by <stl_algobase.h>.
2000 * include/parallel/algo.h (std::__parallel::search<_FIt1, _FIt2, _BinaryPred>)
2001 (std::__parallel::__search_switch<_FIt1, _FIt2, _BinaryPred, _ItTag1, _ItTag2>):
2003 * include/parallel/algobase.h: ...here.
2004 * include/experimental/functional: Remove <bits/stl_algo.h> and <parallel/algorithm>
2005 includes. Include <bits/stl_algobase.h>.
2007 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2010 * acinclude.m4 (GLIBCXX_ENABLE_C99): Add separate check for
2011 float_t and double_t and define HAVE_C99_FLT_EVAL_TYPES.
2012 * config.h.in: Regenerate.
2013 * configure: Regenerate.
2014 * include/c_global/cmath (float_t, double_t): Guard using new
2015 _GLIBCXX_HAVE_C99_FLT_EVAL_TYPES macro.
2017 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2019 * acinclude.m4 (GLIBCXX_ENABLE_C99): Add checks for C99 math
2020 functions and define _GLIBCXX_USE_C99_MATH_FUNCS. Move checks
2021 for C99 rounding functions to here.
2022 (GLIBCXX_CHECK_C99_TR1): Remove checks for C99 rounding
2023 functions from here.
2024 * config.h.in: Regenerate.
2025 * configure: Regenerate.
2026 * include/bits/random.h: Use _GLIBCXX_USE_C99_MATH_FUNCS instead
2027 of _GLIBCXX_USE_C99_MATH_TR1.
2028 * include/bits/random.tcc: Likewise.
2029 * include/c_compatibility/math.h: Likewise.
2030 * include/c_global/cmath: Likewise.
2031 * include/ext/random: Likewise.
2032 * include/ext/random.tcc: Likewise.
2033 * include/std/complex: Likewise.
2034 * testsuite/20_util/from_chars/4.cc: Likewise.
2035 * testsuite/20_util/from_chars/8.cc: Likewise.
2036 * testsuite/26_numerics/complex/proj.cc: Likewise.
2037 * testsuite/26_numerics/headers/cmath/60401.cc: Likewise.
2038 * testsuite/26_numerics/headers/cmath/types_std_c++0x.cc:
2040 * testsuite/lib/libstdc++.exp (check_v3_target_cstdint):
2042 * testsuite/util/testsuite_random.h: Likewise.
2044 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2046 * include/bits/stl_vector.h (_Vector_base::_M_invariant()): New
2048 (vector::size(), vector::capacity()): Call _M_invariant().
2049 * testsuite/23_containers/vector/capacity/invariant.cc: New test.
2050 * testsuite/23_containers/vector/types/1.cc: Add suppression for
2051 false positive warning (PR110060).
2053 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2056 * src/c++17/floating_from_chars.cc: Check __FLT128_MANT_DIG__ is
2057 defined before trying to use _Float128.
2059 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2061 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Fix for 32-bit pointers
2062 to check __INT_PTR_WIDTH__ instead of sizeof(void*).
2063 * configure: Regenerate.
2065 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2067 * include/bits/unique_lock.h: Include <bits/error_constants.h>
2068 here for std::errc constants.
2069 * include/std/mutex: Do not include <bits/error_constants.h> and
2072 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2074 * configure.ac: Replace use of -o operator for test.
2075 * configure: Regenerate.
2077 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2079 * include/std/scoped_allocator (scoped_allocator_adaptor): Add
2080 noexcept to all constructors except the default constructor.
2081 (scoped_allocator_adaptor::inner_allocator): Add noexcept.
2082 (scoped_allocator_adaptor::outer_allocator): Likewise.
2083 * testsuite/20_util/scoped_allocator/noexcept.cc: New test.
2085 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2088 * include/std/limits (numeric_limits<__float128>): Define.
2089 * testsuite/18_support/numeric_limits/128bit.cc: New test.
2091 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2093 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Extend logic for avr and
2094 msp430 to all 16-bit targets.
2095 * configure: Regenerate.
2097 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2100 * src/c++17/floating_from_chars.cc (USE_STRTOF128_FOR_FROM_CHARS):
2101 Only define when USE_STRTOD_FOR_FROM_CHARS is also defined.
2102 (USE_STRTOD_FOR_FROM_CHARS): Do not undefine when long double is
2104 (from_chars(const char*, const char*, double&, chars_format)):
2105 Check __LDBL_MANT_DIG__ == __DBL_MANT_DIG__ here.
2106 (from_chars(const char*, const char*, _Float128&, chars_format))
2107 Only use from_chars_strtod when USE_STRTOD_FOR_FROM_CHARS is
2108 defined, otherwise parse a long double and convert to _Float128.
2110 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2113 * include/std/iomanip (operator>>(basic_istream&, _Setfill)):
2114 Add deprecated attribute to non-standard overload.
2115 * doc/xml/manual/evolution.xml: Document deprecation.
2116 * doc/html/*: Regenerate.
2117 * testsuite/27_io/manipulators/standard/char/1.cc: Add
2118 dg-warning for expected deprecated warning.
2119 * testsuite/27_io/manipulators/standard/char/2.cc: Likewise.
2120 * testsuite/27_io/manipulators/standard/wchar_t/1.cc: Likewise.
2121 * testsuite/27_io/manipulators/standard/wchar_t/2.cc: Likewise.
2123 2023-05-30 Alexandre Oliva <oliva@adacore.com>
2125 * testsuite/20_util/from_chars/4.cc: Skip long double test06
2127 * testsuite/20_util/to_chars/long_double.cc: Xfail run on
2130 2023-05-30 Matthias Kretz <m.kretz@gsi.de>
2133 * include/experimental/bits/simd.h (to_native): Use int NTTP
2134 as specified in PTS2.
2135 (to_compatible): Likewise. Add missing tag to call mask
2137 * testsuite/experimental/simd/pr109822_cast_functions.cc: New
2140 2023-05-30 Matthias Kretz <m.kretz@gsi.de>
2142 * testsuite/experimental/simd/tests/integer_operators.cc:
2143 Compute expected value differently to avoid getting turned into
2146 2023-05-30 Matthias Kretz <m.kretz@gsi.de>
2148 * testsuite/experimental/simd/tests/operator_cvt.cc: Make long
2149 double <-> (u)long conversion tests conditional on sizeof(long
2150 double) and sizeof(long).
2152 2023-05-26 Matthias Kretz <m.kretz@gsi.de>
2154 * include/experimental/bits/simd_ppc.h (_S_bit_shift_left):
2155 Negative __y is UB, so prefer signed compare.
2157 2023-05-25 Jonathan Wakely <jwakely@redhat.com>
2159 * testsuite/util/testsuite_allocator.h (PointerBase): Add
2160 relational operators.
2162 2023-05-25 Alexandre Oliva <oliva@adacore.com>
2164 * testsuite/20_util/to_chars/long_double.cc: Expect execution
2165 fail on x86-vxworks.
2167 2023-05-24 Matthias Kretz <m.kretz@gsi.de>
2170 * include/experimental/bits/simd.h (__intrinsic_type): If
2171 __ALTIVEC__ is defined, map gnu::vector_size types to their
2172 corresponding __vector T types without losing unsignedness of
2173 integer types. Also prefer long long over long.
2174 * include/experimental/bits/simd_ppc.h (_S_popcount): Cast mask
2175 object to the expected unsigned vector type.
2177 2023-05-24 Matthias Kretz <m.kretz@gsi.de>
2180 * include/experimental/bits/simd.h (__intrinsic_type):
2181 Specialize __intrinsic_type<double, 8> and
2182 __intrinsic_type<double, 16> in any case, but provide the member
2183 type only with __aarch64__.
2185 2023-05-24 Matthias Kretz <m.kretz@gsi.de>
2188 * include/experimental/bits/simd_neon.h (_S_reduce): Add
2189 constexpr and make NEON implementation conditional on
2190 not __builtin_is_constant_evaluated.
2192 2023-05-23 Matthias Kretz <m.kretz@gsi.de>
2195 * include/experimental/bits/simd.h (_SimdWrapper::_M_set):
2196 Avoid vector builtin subscripting in constant expressions.
2197 (resizing_simd_cast): Avoid memcpy if constant_evaluated.
2198 (const_where_expression, where_expression, where)
2199 (__extract_part, simd_mask, _SimdIntOperators, simd): Add either
2200 _GLIBCXX_SIMD_CONSTEXPR (on public APIs), or constexpr (on
2202 * include/experimental/bits/simd_builtin.h (__vector_permute)
2203 (__vector_shuffle, __extract_part, _GnuTraits::_SimdCastType1)
2204 (_GnuTraits::_SimdCastType2, _SimdImplBuiltin)
2205 (_MaskImplBuiltin::_S_store): Add constexpr.
2206 (_CommonImplBuiltin::_S_store_bool_array)
2207 (_SimdImplBuiltin::_S_load, _SimdImplBuiltin::_S_store)
2208 (_SimdImplBuiltin::_S_reduce, _MaskImplBuiltin::_S_load): Add
2209 constant_evaluated case.
2210 * include/experimental/bits/simd_fixed_size.h
2211 (_S_masked_load): Reword comment.
2212 (__tuple_element_meta, __make_meta, _SimdTuple::_M_apply_r)
2213 (_SimdTuple::_M_subscript_read, _SimdTuple::_M_subscript_write)
2214 (__make_simd_tuple, __optimize_simd_tuple, __extract_part)
2215 (__autocvt_to_simd, _Fixed::__traits::_SimdBase)
2216 (_Fixed::__traits::_SimdCastType, _SimdImplFixedSize): Add
2218 (_SimdTuple::operator[], _M_set): Add constexpr and add
2219 constant_evaluated case.
2220 (_MaskImplFixedSize::_S_load): Add constant_evaluated case.
2221 * include/experimental/bits/simd_scalar.h: Add constexpr.
2222 * include/experimental/bits/simd_x86.h (_CommonImplX86): Add
2223 constexpr and add constant_evaluated case.
2224 (_SimdImplX86::_S_equal_to, _S_not_equal_to, _S_less)
2225 (_S_less_equal): Value-initialize to satisfy constexpr
2227 (_MaskImplX86::_S_load): Add constant_evaluated case.
2228 (_MaskImplX86::_S_store): Add constexpr and constant_evaluated
2229 case. Value-initialize local variables.
2230 (_MaskImplX86::_S_logical_and, _S_logical_or, _S_bit_not)
2231 (_S_bit_and, _S_bit_or, _S_bit_xor): Add constant_evaluated
2233 * testsuite/experimental/simd/pr109261_constexpr_simd.cc: New
2236 2023-05-22 Matthias Kretz <m.kretz@gsi.de>
2238 * include/experimental/bits/simd_builtin.h (_S_fpclassify): Move
2239 __infn into #ifdef'ed block.
2240 * testsuite/experimental/simd/tests/fpclassify.cc: Declare
2241 constants only when used.
2242 * testsuite/experimental/simd/tests/frexp.cc: Likewise.
2243 * testsuite/experimental/simd/tests/logarithm.cc: Likewise.
2244 * testsuite/experimental/simd/tests/trunc_ceil_floor.cc:
2246 * testsuite/experimental/simd/tests/ldexp_scalbn_scalbln_modf.cc:
2247 Move totest and expect1 into #ifdef'ed block.
2249 2023-05-19 Gerald Pfeifer <gerald@pfeifer.com>
2251 * doc/xml/manual/strings.xml: Move lafstern.org reference to https.
2252 * doc/html/manual/strings.html: Regenerate.
2254 2023-05-17 Jakub Jelinek <jakub@redhat.com>
2257 * testsuite/26_numerics/headers/cmath/constexpr_std_c++23.cc: New test.
2259 2023-05-17 Jakub Jelinek <jakub@redhat.com>
2262 * include/c_global/cmath (atan2, fmod, pow): Move
2263 __gnu_cxx::__promote_2 using templates after _Float{16,32,64,128} and
2264 __gnu_cxx::__bfloat16_t overloads.
2265 (copysign, fdim, fmax, fmin, hypot, nextafter, remainder, remquo):
2267 (fma): Move __gnu_cxx::__promote_3 using template after
2268 _Float{16,32,64,128} and __gnu_cxx::__bfloat16_t overloads.
2270 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
2272 * testsuite/18_support/headers/limits/synopsis.cc: Uncomment
2273 checks for float_round_style and float_denorm_style.
2275 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
2277 * include/bits/c++config: Add system_header pragma.
2279 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
2281 * include/std/expected (expected::and_then, expected::or_else)
2282 (expected::transform, expected::transform_error): Fix exception
2283 specifications as per LWG 3877.
2284 (expected<void, E>::and_then, expected<void, E>::transform):
2286 * testsuite/20_util/expected/lwg3877.cc: New test.
2288 2023-05-17 Ken Matsui <kmatsui@cs.washington.edu>
2290 * include/std/type_traits: Use __bool_constant instead of
2293 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
2295 * configure: Regenerate.
2297 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2300 * acinclude.m4 (GLIBCXX_CHECK_ALIGNAS_CACHELINE): Define.
2301 * config.h.in: Regenerate.
2302 * configure: Regenerate.
2303 * configure.ac: Use GLIBCXX_CHECK_ALIGNAS_CACHELINE.
2304 * src/c++11/shared_ptr.cc (__gnu_internal::get_mutex): Do not
2305 align lock table if not supported. use __GCC_DESTRUCTIVE_SIZE
2306 instead of hardcoded 64.
2308 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2310 * acinclude.m4 (GLIBCXX_USE_C99): Check for isblank in C++11
2311 mode and define _GLIBCXX_USE_C99_CTYPE. Check for <fenv.h>
2312 functions in C++11 mode and define _GLIBCXX_USE_C99_FENV.
2313 * config.h.in: Regenerate.
2314 * configure: Regenerate.
2315 * include/c_compatibility/fenv.h: Check _GLIBCXX_USE_C99_FENV
2316 instead of _GLIBCXX_USE_C99_FENV_TR1.
2317 * include/c_global/cfenv: Likewise.
2318 * include/c_global/cctype: Check _GLIBCXX_USE_C99_CTYPE instead
2319 of _GLIBCXX_USE_C99_CTYPE_TR1.
2321 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2323 * acinclude.m4 (GLIBCXX_USE_C99): Check for <stdint.h> types in
2324 C++11 mode and define _GLIBCXX_USE_C99_STDINT. Check for
2325 <inttypes.h> features in C++11 mode and define
2326 _GLIBCXX_USE_C99_INTTYPES and _GLIBCXX_USE_C99_INTTYPES_WCHAR_T.
2327 * config.h.in: Regenerate.
2328 * configure: Regenerate.
2329 * doc/doxygen/user.cfg.in (PREDEFINED): Add new macros.
2330 * include/bits/chrono.h: Check _GLIBCXX_USE_C99_STDINT instead
2331 of _GLIBCXX_USE_C99_STDINT_TR1.
2332 * include/c_compatibility/inttypes.h: Check
2333 _GLIBCXX_USE_C99_INTTYPES and _GLIBCXX_USE_C99_INTTYPES_WCHAR_T
2334 instead of _GLIBCXX_USE_C99_INTTYPES_TR1 and
2335 _GLIBCXX_USE_C99_INTTYPES_WCHAR_T_TR1.
2336 * include/c_compatibility/stdatomic.h: Check
2337 _GLIBCXX_USE_C99_STDINT instead of _GLIBCXX_USE_C99_STDINT_TR1.
2338 * include/c_compatibility/stdint.h: Likewise.
2339 * include/c_global/cinttypes: Check _GLIBCXX_USE_C99_INTTYPES
2340 and _GLIBCXX_USE_C99_INTTYPES_WCHAR_T instead of
2341 _GLIBCXX_USE_C99_INTTYPES_TR1 and
2342 _GLIBCXX_USE_C99_INTTYPES_WCHAR_T_TR1.
2343 * include/c_global/cstdint: Check _GLIBCXX_USE_C99_STDINT
2344 instead of _GLIBCXX_USE_C99_STDINT_TR1.
2345 * include/std/atomic: Likewise.
2346 * src/c++11/cow-stdexcept.cc: Likewise.
2347 * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc:
2349 * testsuite/lib/libstdc++.exp (check_v3_target_cstdint):
2352 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2354 * acinclude.m4 (GLIBCXX_USE_C99): Check for complex inverse trig
2355 functions in C++11 mode and define _GLIBCXX_USE_C99_COMPLEX_ARC.
2356 * config.h.in: Regenerate.
2357 * configure: Regenerate.
2358 * doc/doxygen/user.cfg.in (PREDEFINED): Add new macro.
2359 * include/std/complex: Check _GLIBCXX_USE_C99_COMPLEX_ARC
2360 instead of _GLIBCXX_USE_C99_COMPLEX_TR1.
2362 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2364 * testsuite/ext/debug_allocator/check_deallocate_null.cc: Add
2365 assertion to ensure expected exception is throw.
2367 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2369 * testsuite/libstdc++-prettyprinters/chrono.cc: Only test
2370 printer for chrono::zoned_time for cx11 ABI and tzdb effective
2373 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2375 * acinclude.m4 (GLIBCXX_CHECK_PTHREAD_MUTEX_CLOCKLOCK): Define
2376 _GLIBCXX_USE_PTHREAD_MUTEX_CLOCKLOCK in terms of _GLIBCXX_TSAN.
2377 * configure: Regenerate.
2379 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2381 * acinclude.m4 (GLIBCXX_CHECK_C99_TR1): Use a non-null pointer
2382 to check for nan, nanf, and nanl.
2383 * configure: Regenerate.
2385 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2387 * include/bits/char_traits.h (char_traits<char16_t>): Do not
2388 depend on _GLIBCXX_USE_C99_STDINT_TR1.
2389 (char_traits<char32_t>): Likewise.
2390 * include/experimental/source_location: Likewise.
2392 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2394 * include/std/atomic (atomic_int_least8_t, atomic_uint_least8_t)
2395 (atomic_int_least16_t, atomic_uint_least16_t)
2396 (atomic_int_least32_t, atomic_uint_least32_t)
2397 (atomic_int_least64_t, atomic_uint_least64_t)
2398 (atomic_int_fast16_t, atomic_uint_fast16_t)
2399 (atomic_int_fast32_t, atomic_uint_fast32_t)
2400 (atomic_int_fast64_t, atomic_uint_fast64_t)
2401 (atomic_intmax_t, atomic_uintmax_t): Define unconditionally.
2402 * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc: Adjust.
2404 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2406 * include/bits/algorithmfwd.h (shuffle): Do not depend on
2407 _GLIBCXX_USE_C99_STDINT_TR1.
2408 * include/bits/ranges_algo.h (shuffle): Likewise.
2409 * include/bits/stl_algo.h (shuffle): Likewise.
2410 * include/ext/random: Likewise.
2411 * include/ext/throw_allocator.h (random_condition): Likewise.
2412 * include/std/random: Likewise.
2413 * src/c++11/cow-string-inst.cc: Likewise.
2414 * src/c++11/random.cc: Likewise.
2416 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2418 * testsuite/experimental/feat-cxx14.cc: Remove dependency on
2419 _GLIBCXX_USE_C99_STDINT_TR1.
2421 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2423 * testsuite/22_locale/locale/cons/unicode.cc: Remove dependency
2424 on _GLIBCXX_USE_C99_STDINT_TR1.
2426 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2428 * testsuite/21_strings/basic_string_view/typedefs.cc: Remove
2429 dependency on _GLIBCXX_USE_C99_STDINT_TR1.
2430 * testsuite/experimental/string_view/typedefs.cc: Likewise.
2432 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
2434 * src/c++17/floating_from_chars.cc [USE_STRTOD_FOR_FROM_CHARS]
2435 (auto_locale, auto_ferounding): New class types.
2436 (from_chars_impl): Use auto_locale and auto_ferounding.
2438 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
2441 * include/std/chrono (hh_mm_ss::__fits): Remove variable
2443 (hh_mm_ss::__subseconds): Remove __fits from constraints.
2444 * testsuite/std/time/hh_mm_ss/109772.cc: New test.
2445 * testsuite/std/time/hh_mm_ss/1.cc: Adjust expected size for
2446 hh_mm_ss<duration<int, std::pico>>.
2448 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
2450 * config/abi/pre/gnu.ver: Export basic_string::_S_allocate.
2451 * include/bits/basic_ios.h: Add static assertion checking
2452 traits_type::value_type.
2453 * include/bits/basic_string.h: Likewise. Do not rebind
2454 allocator, and add static assertion checking its value_type.
2455 (basic_string::_Alloc_traits_impl): Remove class template.
2456 (basic_string::_S_allocate): New static member function.
2457 (basic_string::assign): Use _S_allocate.
2458 * include/bits/basic_string.tcc (basic_string::_M_create)
2459 (basic_string::reserve, basic_string::_M_replace): Likewise.
2460 * testsuite/21_strings/basic_string/requirements/explicit_instantiation/debug.cc:
2461 Disable for C++20 and later.
2462 * testsuite/21_strings/basic_string/requirements/explicit_instantiation/int.cc:
2465 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
2468 * include/bits/std_abs.h (abs(__float128)): Handle negative NaN
2469 and negative zero correctly.
2470 * testsuite/26_numerics/headers/cmath/109758.cc: New test.
2472 2023-05-10 François Dumont <fdumont@gcc.gnu.org>
2474 * include/bits/hashtable_policy.h
2475 (_NodeBuilder<>::_S_build): Use __node_ptr.
2476 (_ReuseOrAllocNode<>): Use __node_ptr in place of __node_type*.
2477 (_AllocNode<>): Likewise.
2478 (_Equality<>::_M_equal): Remove const_iterator usages. Only preserved
2479 to call std::is_permutation in the non-unique key implementation.
2480 * include/bits/hashtable.h (_Hashtable<>::_M_update_begin()): Capture
2482 (_Hashtable<>::_M_bucket_begin(size_type)): Implement implicitly inline.
2483 (_Hashtable<>::_M_insert_bucket_begin): Likewise.
2484 (_Hashtable<>::_M_remove_bucket_begin): Likewise.
2485 (_Hashtable<>::_M_compute_hash_code): Use __node_ptr rather than
2487 (_Hashtable<>::find): Likewise.
2488 (_Hashtable<>::_M_emplace): Likewise.
2489 (_Hashtable<>::_M_insert_unique): Likewise.
2491 2023-05-09 Jonathan Wakely <jwakely@redhat.com>
2493 * python/libstdcxx/v6/printers.py (StdChronoDurationPrinter):
2494 Print floating-point durations correctly.
2495 (StdChronoTimePointPrinter): Support printing only the value,
2496 not the type name. Uncomment handling for known clocks.
2497 (StdChronoZonedTimePrinter): Remove type names from output.
2498 (StdChronoCalendarPrinter): Fix hh_mm_ss member access.
2499 (StdChronoTimeZonePrinter): Add equals sign to output.
2500 * testsuite/libstdc++-prettyprinters/chrono.cc: New test.
2502 2023-05-05 Alexandre Oliva <oliva@adacore.com>
2504 * testsuite/20_util/from_chars/4.cc: Skip long double test06
2506 * testsuite/20_util/to_chars/long_double.cc: Xfail run on
2509 2023-05-04 Jonathan Wakely <jwakely@redhat.com>
2511 * doc/xml/manual/abi.xml (abi.versioning.history): Document
2512 libstdc++.so.6.0.32 and GLIBCXX_3.4.32 version.
2513 * doc/html/manual/abi.html: Regenerate.
2515 2023-05-04 Florian Weimer <fweimer@redhat.com>
2517 * doc/xml/manual/abi.xml (abi.versioning.history): Add
2518 GCC_7.0.0, GCC_9.0.0, GCC_11.0, GCC_12.0.0, GCC_13.0.0 for
2521 2023-05-03 Jakub Jelinek <jakub@redhat.com>
2523 * src/c++17/floating_from_chars.cc
2524 (_ZSt10from_charsPKcS0_RDF128_St12chars_format): New alias to
2525 _ZSt10from_charsPKcS0_Ru9__ieee128St12chars_format.
2526 * src/c++17/floating_to_chars.cc (_ZSt8to_charsPcS_DF128_): New alias to
2527 _ZSt8to_charsPcS_u9__ieee128.
2528 (_ZSt8to_charsPcS_DF128_St12chars_format): New alias to
2529 _ZSt8to_charsPcS_u9__ieee128St12chars_format.
2530 (_ZSt8to_charsPcS_DF128_St12chars_formati): New alias to
2531 _ZSt8to_charsPcS_u9__ieee128St12chars_formati.
2532 * config/abi/post/powerpc64le-linux-gnu/baseline_symbols.txt: Updated.
2534 2023-05-03 Jakub Jelinek <jakub@redhat.com>
2536 * configure.host (abi_baseline_pair): Use powerpc64le-linux-gnu
2537 rather than powerpc64-linux-gnu for powerpc64le*-linux*.
2538 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Remove
2539 _ZTI*DF128_, _ZTI*DF64x symbols and symbols in
2540 GLIBCXX_IEEE128_3.4.{29,30,31} and CXXABI_IEEE128_1.3.13 symbol
2542 * config/abi/post/powerpc64le-linux-gnu/baseline_symbols.txt: New
2545 2023-05-03 Kefu Chai <kefu.chai@scylladb.com>
2546 Jonathan Wakely <jwakely@redhat.com>
2549 * include/bits/basic_string.h (basic_string(Iter, Iter, Alloc)):
2550 Initialize _M_string_length.
2552 2023-05-02 Jakub Jelinek <jakub@redhat.com>
2554 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
2555 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
2556 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
2557 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
2558 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
2559 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
2560 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
2561 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2563 2023-05-02 Jakub Jelinek <jakub@redhat.com>
2566 * src/c++98/ios_init.cc: Add #pragma GCC diagnostic ignored for
2569 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
2571 * include/bits/random.h (gamma_distribution): Add to the right
2573 (discrete_distribution, piecewise_constant_distribution)
2574 (piecewise_linear_distribution): Create a new doxygen group and
2575 fix the incomplete doxygen comments.
2576 * include/bits/uniform_int_dist.h (uniform_int_distribution):
2577 Add to doxygen group.
2579 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
2581 * include/bits/uses_allocator.h: Add missing @file comment.
2582 * include/bits/regex.tcc: Remove stray doxygen comments.
2583 * include/experimental/memory_resource: Likewise.
2584 * include/std/bit: Tweak doxygen @cond comments.
2585 * include/std/expected: Likewise.
2586 * include/std/numbers: Likewise.
2588 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
2590 * doc/doxygen/user.cfg.in (STRIP_FROM_PATH): Remove prefixes
2593 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
2595 * include/bits/move.h: Simplify opening/closing namespace std.
2597 2023-04-28 Jakub Jelinek <jakub@redhat.com>
2600 * config/abi/pre/gnu.ver (GLIBCXX_3.4.32): Export
2601 _ZSt21ios_base_library_initv.
2602 * testsuite/util/testsuite_abi.cc (check_version): Add GLIBCXX_3.4.32
2603 symver and make it the latestp.
2604 * src/c++98/ios_init.cc (ios_base_library_init): New alias.
2605 * acinclude.m4 (libtool_VERSION): Change to 6:32:0.
2606 * include/std/iostream: If init_priority attribute is supported
2607 and _GLIBCXX_SYMVER_GNU, force undefined _ZSt21ios_base_library_initv
2608 symbol into the object.
2609 * configure: Regenerated.
2611 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2613 * include/bits/mofunc_impl.h: Fix typo in doxygen comment.
2614 * include/std/format: Likewise.
2616 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2618 * doc/doxygen/user.cfg.in (FORMULA_TRANSPARENT, DOT_FONTNAME)
2619 (DOT_FONTSIZE, DOT_TRANSPARENT): Remove obsolete options.
2621 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2623 * doc/doxygen/user.cfg.in (SOURCE_BROWSER): Only set to YES for
2625 * include/bits/gslice_array.h (_DEFINE_VALARRAY_OPERATOR): Omit
2627 * include/bits/indirect_array.h (_DEFINE_VALARRAY_OPERATOR):
2629 * include/bits/mask_array.h (_DEFINE_VALARRAY_OPERATOR):
2631 * include/bits/slice_array.h (_DEFINE_VALARRAY_OPERATOR):
2633 * include/std/valarray (_DEFINE_VALARRAY_UNARY_OPERATOR)
2634 (_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT)
2635 (_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT)
2636 (_DEFINE_BINARY_OPERATOR): Likewise.
2638 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2640 * include/bits/memory_resource.h: Improve doxygen comments.
2641 * include/std/memory_resource: Likewise.
2643 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2646 * include/bits/basic_string.h: Improve doxygen comments.
2647 * include/bits/cow_string.h: Likewise.
2648 * include/bits/forward_list.h: Likewise.
2649 * include/bits/fs_dir.h: Likewise.
2650 * include/bits/fs_path.h: Likewise.
2651 * include/bits/quoted_string.h: Likewise.
2652 * include/bits/stl_bvector.h: Likewise.
2653 * include/bits/stl_map.h: Likewise.
2654 * include/bits/stl_multimap.h: Likewise.
2655 * include/bits/stl_multiset.h: Likewise.
2656 * include/bits/stl_set.h: Likewise.
2657 * include/bits/stl_vector.h: Likewise.
2658 * include/bits/unordered_map.h: Likewise.
2659 * include/bits/unordered_set.h: Likewise.
2660 * include/std/filesystem: Likewise.
2661 * include/std/iomanip: Likewise.
2663 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2666 * src/c++11/random.cc (__throw_syserr): New function.
2667 (random_device::_M_init, random_device::_M_init_pretr1): Use new
2668 function for bad tokens.
2669 (random_device::_M_getval): Use new function for read errors.
2670 * testsuite/util/testsuite_random.h (random_device_available):
2671 Change catch handler to use std::system_error.
2673 2023-04-24 Patrick Palka <ppalka@redhat.com>
2675 * include/bits/max_size_type.h (__max_diff_type::operator>>=):
2676 Fix propagation of sign bit.
2677 * testsuite/std/ranges/iota/max_size_type.cc: Avoid using the
2678 non-standard 'signed typedef-name'. Add some compile-time tests
2679 for right-shifting a negative __max_diff_type value by more than
2682 2023-04-19 Patrick Palka <ppalka@redhat.com>
2683 Jonathan Wakely <jwakely@redhat.com>
2686 * include/bits/utility.h (_Nth_type): Conditionally define in
2687 terms of __type_pack_element if available.
2688 * testsuite/20_util/tuple/element_access/get_neg.cc: Prune
2689 additional errors from the new built-in.
2691 2023-04-19 Jonathan Wakely <jwakely@redhat.com>
2694 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2697 * src/Makefile.am: Move globals_io.cc to here.
2698 * src/Makefile.in: Regenerate.
2699 * src/c++98/Makefile.am: Remove globals_io.cc from here.
2700 * src/c++98/Makefile.in: Regenerate.
2701 * src/c++98/globals_io.cc [_GLIBCXX_SYMVER_GNU] (cin): Adjust
2702 symbol name and then export with GLIBCXX_3.4.31 symver.
2703 (cout, cerr, clog, wcin, wcout, wcerr, wclog): Likewise.
2704 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt:
2706 * config/abi/post/i486-linux-gnu/baseline_symbols.txt:
2708 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt:
2710 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt:
2712 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt:
2714 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt:
2716 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt:
2718 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt:
2720 * config/abi/pre/gnu.ver: Add iostream objects to new symver.
2722 2023-04-19 Jonathan Wakely <jwakely@redhat.com>
2725 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2728 * config/abi/pre/gnu.ver: Fix preprocessor condition.
2730 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2732 * doc/xml/manual/extensions.xml: Fix example to declare and
2733 qualify std::free, and use NULL instead of 0.
2734 * doc/html/manual/ext_demangling.html: Regenerate.
2735 * libsupc++/cxxabi.h: Adjust doxygen comments.
2737 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2740 * config/abi/pre/gnu.ver: Fix preprocessor condition.
2742 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2745 * src/Makefile.am: Move globals_io.cc to here.
2746 * src/Makefile.in: Regenerate.
2747 * src/c++98/Makefile.am: Remove globals_io.cc from here.
2748 * src/c++98/Makefile.in: Regenerate.
2749 * src/c++98/globals_io.cc [_GLIBCXX_SYMVER_GNU] (cin): Adjust
2750 symbol name and then export with GLIBCXX_3.4.31 symver.
2751 (cout, cerr, clog, wcin, wcout, wcerr, wclog): Likewise.
2752 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt:
2754 * config/abi/post/i486-linux-gnu/baseline_symbols.txt:
2756 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt:
2758 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt:
2760 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt:
2762 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt:
2764 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt:
2766 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt:
2768 * config/abi/pre/gnu.ver: Add iostream objects to new symver.
2770 2023-04-18 Patrick Palka <ppalka@redhat.com>
2773 * include/bits/ranges_cmp.h (__cpp_lib_ranges): Bump value
2775 * include/std/ranges (range_adaptor_closure): Define for C++23.
2776 * include/std/version (__cpp_lib_ranges): Bump value for
2778 * testsuite/std/ranges/version_c++23.cc: Bump expected value
2779 of __cpp_lib_ranges.
2780 * testsuite/std/ranges/range_adaptor_closure.cc: New test.
2782 2023-04-18 Patrick Palka <ppalka@redhat.com>
2784 * include/bits/ranges_algo.h (__cpp_lib_ranges_contains):
2786 (__cpp_lib_ranges_iota): Likewise.
2787 (__cpp_lib_ranges_find_last): Likewise.
2788 (__cpp_lib_fold): Rename to ...
2789 (__cpp_lib_ranges_fold): ... this.
2790 * include/std/version: As above.
2791 * testsuite/25_algorithms/fold_left/1.cc: Adjust after
2792 renaming __cpp_lib_fold.
2793 * testsuite/std/ranges/version_c++23.cc: Verify values
2794 of the above feature-test macros.
2796 2023-04-18 Patrick Palka <ppalka@redhat.com>
2799 * include/std/ranges (views::_AsConst::operator()): Add
2800 missing const to constant_range test.
2801 * testsuite/std/ranges/adaptors/as_const/1.cc (test02):
2802 Improve formatting. Adjust expected type of v2.
2805 2023-04-14 Patrick Palka <ppalka@redhat.com>
2807 * include/bits/ranges_base.h (const_iterator_t): Define for C++23.
2808 (const_sentinel_t): Likewise.
2809 (range_const_reference_t): Likewise.
2810 (constant_range): Likewise.
2811 (__cust_access::__possibly_const_range): Likewise, replacing ...
2812 (__cust_access::__as_const): ... this.
2813 (__cust_access::_CBegin::operator()): Redefine for C++23 as per P2278R4.
2814 (__cust_access::_CEnd::operator()): Likewise.
2815 (__cust_access::_CRBegin::operator()): Likewise.
2816 (__cust_access::_CREnd::operator()): Likewise.
2817 (__cust_access::_CData::operator()): Likewise.
2818 * include/bits/ranges_util.h (ranges::__detail::__different_from):
2819 Make it an alias of std::__detail::__different_from.
2820 (view_interface::cbegin): Define for C++23.
2821 (view_interface::cend): Likewise.
2822 * include/bits/stl_iterator.h (__detail::__different_from): Define.
2823 (iter_const_reference_t): Define for C++23.
2824 (__detail::__constant_iterator): Likewise.
2825 (__detail::__is_const_iterator): Likewise.
2826 (__detail::__not_a_const_iterator): Likewise.
2827 (__detail::__iter_const_rvalue_reference_t): Likewise.
2828 (__detail::__basic_const_iter_cat):: Likewise.
2829 (const_iterator): Likewise.
2830 (__detail::__const_sentinel): Likewise.
2831 (const_sentinel): Likewise.
2832 (basic_const_iterator): Likewise.
2833 (common_type<basic_const_iterator<_Tp>, _Up>): Likewise.
2834 (common_type<_Up, basic_const_iterator<_Tp>>): Likewise.
2835 (common_type<basic_const_iterator<_Tp>, basic_const_iterator<Up>>):
2837 (make_const_iterator): Define for C++23.
2838 (make_const_sentinel): Likewise.
2839 * include/std/ranges (__cpp_lib_ranges_as_const): Likewise.
2840 (as_const_view): Likewise.
2841 (enable_borrowed_range<as_const_view>): Likewise.
2842 (views::__detail::__is_ref_view): Likewise.
2843 (views::__detail::__can_is_const_view): Likewise.
2844 (views::_AsConst, views::as_const): Likewise.
2845 * include/std/span (span::const_iterator): Likewise.
2846 (span::const_reverse_iterator): Likewise.
2847 (span::cbegin): Likewise.
2848 (span::cend): Likewise.
2849 (span::crbegin): Likewise.
2850 (span::crend): Likewise.
2851 * include/std/version (__cpp_lib_ranges_as_const): Likewise.
2852 * testsuite/std/ranges/adaptors/join.cc (test06): Adjust to
2853 behave independently of C++20 vs C++23.
2854 * testsuite/std/ranges/version_c++23.cc: Verify value of
2855 __cpp_lib_ranges_as_const macro.
2856 * testsuite/24_iterators/const_iterator/1.cc: New test.
2857 * testsuite/std/ranges/adaptors/as_const/1.cc: New test.
2859 2023-04-14 Patrick Palka <ppalka@redhat.com>
2861 * include/bits/ranges_base.h (__cust_access::__as_const)
2862 (__cust_access::_CBegin, __cust::cbegin)
2863 (__cust_access::_CEnd, __cust::cend)
2864 (__cust_access::_CRBegin, __cust::crbegin)
2865 (__cust_access::_CREnd, __cust::crend)
2866 (__cust_access::_CData, __cust::cdata): Move down definitions to
2867 shortly after the definition of input_range.
2869 2023-04-14 Patrick Palka <ppalka@redhat.com>
2871 * include/bits/ranges_algo.h: Include <optional> for C++23.
2872 (__cpp_lib_fold): Define for C++23.
2873 (in_value_result): Likewise.
2874 (__detail::__flipped): Likewise.
2875 (__detail::__indirectly_binary_left_foldable_impl): Likewise.
2876 (__detail::__indirectly_binary_left_foldable): Likewise.
2877 (___detail:__indirectly_binary_right_foldable): Likewise.
2878 (fold_left_with_iter_result): Likewise.
2879 (__fold_left_with_iter_fn, fold_left_with_iter): Likewise.
2880 (__fold_left_fn, fold_left): Likewise.
2881 (__fold_left_first_with_iter_fn, fold_left_first_with_iter):
2883 (__fold_left_first_fn, fold_left_first): Likewise.
2884 (__fold_right_fn, fold_right): Likewise.
2885 (__fold_right_last_fn, fold_right_last): Likewise.
2886 * include/std/version (__cpp_lib_fold): Likewise.
2887 * testsuite/25_algorithms/fold_left/1.cc: New test.
2888 * testsuite/25_algorithms/fold_right/1.cc: New test.
2890 2023-04-14 Jonathan Wakely <jwakely@redhat.com>
2892 * include/std/format (formatter): Add comment to deleted default
2893 constructor of primary template.
2894 (_Checking_scanner): Add static_assert.
2896 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
2898 * doc/xml/manual/using.xml: Document libstdc++exp.a library.
2899 * doc/html/*: Regenerate.
2901 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
2903 * testsuite/17_intro/names.cc [_AIX]: Do not define policy.
2904 * testsuite/19_diagnostics/error_code/cons/lwg3629.cc: Rename
2905 namespace to avoid clashing with libc struct.
2906 * testsuite/19_diagnostics/error_condition/cons/lwg3629.cc:
2908 * testsuite/23_containers/unordered_map/96088.cc: Skip on AIX.
2909 * testsuite/23_containers/unordered_multimap/96088.cc: Likewise.
2910 * testsuite/23_containers/unordered_multiset/96088.cc: Likewise.
2911 * testsuite/23_containers/unordered_set/96088.cc: Likewise.
2912 * testsuite/experimental/synchronized_value.cc: Require gthreads
2913 and add missing option for pthreads targets.
2915 2023-04-12 Patrick Palka <ppalka@redhat.com>
2917 * include/std/ranges (__cpp_lib_ranges_enumerate): Define
2919 (__detail::__range_with_movable_reference): Likewise.
2920 (enumerate_view): Likewise.
2921 (enumerate_view::_Iterator): Likewise.
2922 (enumerate_view::_Sentinel): Likewise.
2923 (views::__detail::__can_enumerate_view): Likewise.
2924 (views::_Enumerate, views::enumerate): Likewise.
2925 * include/std/version (__cpp_lib_ranges_enumerate): Likewise.
2926 * testsuite/std/ranges/version_c++23.cc: Verify value of
2927 __cpp_lib_ranges_enumerate.
2928 * testsuite/std/ranges/adaptors/enumerate/1.cc: New test.
2930 2023-04-12 Patrick Palka <ppalka@redhat.com>
2932 * include/std/ranges (lazy_split_view::_OuterIter::_OuterIter):
2933 Propagate _M_trailing_empty in the const-converting constructor
2935 * testsuite/std/ranges/adaptors/adjacent/1.cc (test04): Correct
2937 * testsuite/std/ranges/adaptors/lazy_split.cc (test12): New test.
2939 2023-04-12 Patrick Palka <ppalka@redhat.com>
2941 * src/c++17/floating_from_chars.cc: Include <algorithm>,
2942 <iterator>, <limits> and <cstdint>.
2944 2023-04-12 Patrick Palka <ppalka@redhat.com>
2947 * include/std/ranges (chunk_by_view::_M_find_next): Generalize
2948 parameter types of the lambda wrapper passed to adjacent_find.
2949 (chunk_by_view::_M_find_prev): Likewise.
2950 * testsuite/std/ranges/adaptors/chunk_by/1.cc (test04, test05):
2953 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
2956 * include/experimental/internet (basic_endpoint::basic_endpoint()):
2957 Ensure that the required union members are active. Only define
2958 as constexpr for C++20 and later.
2959 (basic_endpoint::basic_endpoint(const protocol_type&, port_type)):
2961 * testsuite/experimental/net/internet/endpoint/cons.cc: Only
2962 check constexpr default constructor for C++20 and later.
2963 * testsuite/experimental/net/internet/endpoint/extensible.cc:
2966 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
2968 * src/c++20/tzdata.zi: Import new file from 2023c release.
2970 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
2972 * include/precompiled/stdc++.h (C++17): Don't double-include
2973 <charconv>, once with wrong conditions.
2974 * testsuite/18_support/96817.cc: Require hosted.
2975 * testsuite/18_support/bad_exception/59392.cc: Ditto.
2976 * testsuite/20_util/scoped_allocator/108952.cc: Ditto.
2977 * testsuite/20_util/uses_allocator/lwg3527.cc: Ditto.
2978 * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
2981 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
2983 * include/bits/c++config: When __STDC_HOSTED__ is zero,
2984 disable _GLIBCXX_DEBUG and, if it was set, enable
2985 _GLIBCXX_ASSERTIONS.
2986 * testsuite/lib/libstdc++.exp (check_v3_target_debug_mode):
2987 Include <bits/c++config.h> when determining whether debug is
2988 set, in order to inherit the logic from above
2990 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
2992 * testsuite/17_intro/versionconflict.cc: New test.
2993 * include/std/version: Allow disabling the system_header pragma
2994 via _GLIBCXX_TESTING_SYSHDR.
2996 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
2998 * include/bits/unique_ptr.h (__cpp_lib_constexpr_memory):
2999 Synchronize the definition block with...
3000 * include/bits/ptr_traits.h (__cpp_lib_constexpr_memory):
3001 ... this one here. Also define the 202202L value, rather than
3002 leaving it up to purely unique_ptr.h, so that the value is
3003 synchronized across all headers.
3004 (__gnu_debug::_Safe_iterator_base): Move into new conditional
3006 * include/std/memory (__cpp_lib_atomic_value_initialization):
3007 Define on freestanding under the same conditions as in
3009 * include/std/version (__cpp_lib_robust_nonmodifying_seq_ops):
3010 Also define on freestanding.
3011 (__cpp_lib_to_chars): Ditto.
3012 (__cpp_lib_gcd): Ditto.
3013 (__cpp_lib_gcd_lcm): Ditto.
3014 (__cpp_lib_raw_memory_algorithms): Ditto.
3015 (__cpp_lib_array_constexpr): Ditto.
3016 (__cpp_lib_nonmember_container_access): Ditto.
3017 (__cpp_lib_clamp): Ditto.
3018 (__cpp_lib_constexpr_char_traits): Ditto.
3019 (__cpp_lib_constexpr_string): Ditto.
3020 (__cpp_lib_sample): Ditto.
3021 (__cpp_lib_lcm): Ditto.
3022 (__cpp_lib_constexpr_iterator): Ditto.
3023 (__cpp_lib_constexpr_char_traits): Ditto.
3024 (__cpp_lib_interpolate): Ditto.
3025 (__cpp_lib_constexpr_utility): Ditto.
3026 (__cpp_lib_shift): Ditto.
3027 (__cpp_lib_ranges): Ditto.
3028 (__cpp_lib_move_iterator_concept): Ditto.
3029 (__cpp_lib_constexpr_numeric): Ditto.
3030 (__cpp_lib_constexpr_functional): Ditto.
3031 (__cpp_lib_constexpr_algorithms): Ditto.
3032 (__cpp_lib_constexpr_tuple): Ditto.
3033 (__cpp_lib_constexpr_memory): Ditto.
3035 2023-04-05 John David Anglin <danglin@gcc.gnu.org>
3037 * testsuite/22_locale/locale/cons/12658_thread-2.cc: Double
3038 timeout factor on hppa*-*-*.
3040 2023-04-05 Jonathan Wakely <jwakely@redhat.com>
3042 * include/bits/regex.h (sub_match::swap): New function.
3043 * testsuite/28_regex/sub_match/lwg3204.cc: New test.
3045 2023-04-04 Jonathan Wakely <jwakely@redhat.com>
3047 * doc/xml/manual/extensions.xml: Remove std::bad_exception from
3049 * doc/html/manual/ext_demangling.html: Regenerate.
3051 2023-03-31 Jonathan Wakely <jwakely@redhat.com>
3053 PR tree-optimization/107087
3054 * include/bits/cow_string.h (basic_string::size()): Add
3055 optimizer hint that _S_empty_rep()._M_length is always zero.
3056 (basic_string::length()): Call size().
3058 2023-03-31 Jonathan Wakely <jwakely@redhat.com>
3061 * include/std/stop_token (_Stop_state_ptr(const stop_source&)):
3062 Add attribute access with access-mode 'none'.
3063 * testsuite/30_threads/stop_token/stop_source/109339.cc: New test.
3065 2023-03-31 Jonathan Wakely <jwakely@redhat.com>
3067 * include/experimental/internet (ip::basic_endpoint::_M_if_v6):
3068 Revert change from member function to data member. Fix for
3069 constant evaluation by detecting which union member is active.
3070 (ip::basic_endpoint::resize): Revert changes to update _M_is_v6
3073 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
3076 * testsuite/20_util/optional/monadic/pr109340.cc: Moved to...
3077 * testsuite/20_util/optional/monadic/pr109242.cc: ...here.
3079 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
3081 * include/experimental/internet (ip::make_address): Implement
3083 (ip::address_v4::broadcast()): Avoid undefined shift.
3084 (ip::basic_endpoint): Fix member functions for constexpr.
3085 (ip::basic_endpoint::_M_is_v6): Replace member function with
3086 data member, adjust member functions using it.
3087 (ip::basic_endpoint::resize): Update _M_is_v6 based on sockaddr
3089 * testsuite/experimental/net/internet/address/v4/cons.cc: Fix
3090 constexpr checks to work in C++14.
3091 * testsuite/experimental/net/internet/address/v4/creation.cc:
3093 * testsuite/experimental/net/internet/endpoint/cons.cc:
3095 * testsuite/experimental/net/internet/network/v4/cons.cc:
3097 * testsuite/experimental/net/internet/network/v4/members.cc:
3099 * testsuite/experimental/net/internet/endpoint/extensible.cc: New test.
3101 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
3103 * include/std/expected (expected::value() &): Use const lvalue
3104 for unex member passed to bad_expected_access constructor, as
3107 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
3110 * include/std/expected (expected::transform): Use
3111 std::remove_cv_t instead of std::remove_cvref_t.
3112 (expected::transform_error): Likewise.
3113 (expected<cv void, E>::transform): Likewise.
3114 (expected<cv void, E>::transform_error): Likewise.
3115 * include/std/optional (transform): Use std::remove_cv_t.
3116 * testsuite/20_util/optional/monadic/pr109340.cc: New test.
3118 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
3120 * include/std/optional (optional): Adjust static assertion to
3121 reject arrays and functions as well as references.
3122 * testsuite/20_util/optional/requirements_neg.cc: New test.
3124 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
3127 * include/bits/istream.tcc (istream::_M_extract(ValueT&)): Use
3128 std::use_facet instead of cached _M_num_get facet.
3129 (istream::operator>>(short&)): Likewise.
3130 (istream::operator>>(int&)): Likewise.
3131 * include/bits/ostream.tcc (ostream::_M_insert(ValueT)): Use
3132 std::use_facet instead of cached _M_num_put facet.
3134 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
3136 * include/bits/char_traits.h (char_traits::copy): Return without
3137 using memcpy if n==0.
3138 (char_traits::assign): Likewise for memset.
3140 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
3143 * include/bits/basic_string.h (basic_string::_M_is_local()): Add
3144 hint for compiler that local strings fit in the local buffer.
3146 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
3149 * include/std/chrono (__detail::__get_leap_second_info): Update
3150 expiry date of hardcoded leapseconds list.
3151 * src/c++20/tzdb.cc (tzdb_list::_Node::_S_read_leap_seconds()):
3153 * src/c++20/tzdata.zi: Import new file from 2023a release.
3154 * testsuite/std/time/time_zone/get_info_local.cc: Only check
3155 transitions for Egypt up to 2014.
3157 2023-03-28 Matthias Kretz <m.kretz@gsi.de>
3159 * include/experimental/bits/simd.h (is_simd_flag_type): New.
3160 (_IsSimdFlagType): New.
3161 (copy_from, copy_to, load ctors): Constrain _Flags using
3164 2023-03-28 Matthias Kretz <m.kretz@gsi.de>
3166 * include/experimental/bits/simd_x86.h (_SimdImplX86): Use
3167 _Base::_S_divides if the optimized _S_divides function is hidden
3168 via the preprocessor.
3170 2023-03-27 Jakub Jelinek <jakub@redhat.com>
3172 * testsuite/experimental/net/timer/waitable/dest.cc: Avoid -Wformat
3173 warning if size_t is not unsigned long.
3175 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3177 * include/bits/shared_ptr_atomic.h (atomic::operator=(nullptr_t)):
3178 Add overload, as per LWG 3893.
3179 * testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc:
3180 Check assignment from nullptr.
3182 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3184 * include/std/format (formatter<const charT[N], charT>): Do not
3185 define partial speclialization, as per LWG 3833.
3186 * testsuite/std/format/formatter/requirements.cc: Check it.
3188 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3190 * include/std/utility (__cpp_lib_constexpr_algorithms): Define,
3192 * testsuite/20_util/exchange/constexpr.cc: Check for it.
3194 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3196 * include/std/version (__cpp_lib_format): Define.
3197 * testsuite/std/format/functions/format.cc: Check it.
3199 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3201 * include/bits/basic_string.tcc (basic_string::resize_and_overwrite):
3202 Pass rvalues to the callback, as now allowed by LWG 3645.
3203 Enforce preconditions on the return value.
3204 * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
3207 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3209 * include/std/format: Add a comment noting that the resolution
3210 of LWG 3720 has been applied..
3212 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3214 * include/bits/regex.h (match_results): Add allocator-extended
3215 copy and move constructors, as per LWG 2195.
3216 * testsuite/28_regex/match_results/ctors/char/alloc.cc: New test.
3218 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3220 * include/bits/stream_iterator.h (istream_iterator): Add
3221 constexpr to copy constructor, as per LWG 3600.
3222 * testsuite/24_iterators/istream_iterator/cons/constexpr.cc:
3223 Check copy construction.
3225 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
3227 * include/experimental/bits/simd_x86.h
3228 (_SimdImplX86::_S_divides): Replace test for __GCC_IEC_559 == 0
3229 with __RECIPROCAL_MATH__.
3231 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
3233 * include/experimental/bits/simd_detail.h: Don't define
3234 _GLIBCXX_SIMD_WORKAROUND_PR90993 for Clang.
3235 * include/experimental/bits/simd_x86.h (_S_divides): Remove
3236 check for __clang__.
3238 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
3240 * include/experimental/bits/simd_detail.h: Don't declare the
3241 simd API as constexpr with Clang.
3242 * include/experimental/bits/simd_x86.h (__movm): New.
3243 (_S_blend_avx512): Resolve FIXME. Implement blend using __movm
3245 (_SimdImplX86::_S_masked_unary): Clang does not implement the
3246 same builtins. Implement the function using __movm, ?:, and -
3247 operators on vector_size types instead.
3249 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
3251 * testsuite/experimental/simd/tests/operators.cc: Clang doesn't
3252 define __GCC_IEC_559. Use __STDC_IEC_559__ instead.
3254 2023-03-20 Jonathan Wakely <jwakely@redhat.com>
3256 * src/filesystem/ops-common.h (get_temp_directory_from_env): Fix
3259 2023-03-20 Marek Polacek <polacek@redhat.com>
3262 * testsuite/20_util/pair/cons/explicit_construct.cc: Adjust dg-error.
3263 * testsuite/20_util/tuple/cons/explicit_construct.cc: Likewise.
3264 * testsuite/23_containers/span/explicit.cc: Likewise.
3266 2023-03-20 Jonathan Wakely <jwakely@redhat.com>
3269 * include/std/expected (expected<void>::expected(in_place_t)):
3270 Remove template-head.
3272 2023-03-18 Jonathan Wakely <jwakely@redhat.com>
3275 * testsuite/18_support/coroutines/hash.cc: Use const object
3278 2023-03-17 Jonathan Wakely <jwakely@redhat.com>
3281 * include/std/coroutine (hash<>::operator()): Add const.
3282 * testsuite/18_support/coroutines/hash.cc: New test.
3284 2023-03-14 Patrick Palka <ppalka@redhat.com>
3287 * include/std/ranges (repeat_view): Remove redundant parentheses
3289 (repeat_view::_Iterator): Correct the requires-clause.
3291 2023-03-14 Patrick Palka <ppalka@redhat.com>
3293 * include/bits/stl_iterator.h (move_iterator::_S_iter_concept):
3295 (__cpp_lib_move_iterator_concept): Define for C++20.
3296 (move_iterator::iterator_concept): Strengthen as per P2520R0.
3297 * include/std/version (__cpp_lib_move_iterator_concept): Define
3299 * testsuite/24_iterators/move_iterator/p2520r0.cc: New test.
3301 2023-03-14 Patrick Palka <ppalka@redhat.com>
3303 * include/bits/ranges_util.h (view_interface::empty): Add
3304 preferred overloads that use ranges::size when the range is
3305 sized as per LWG 3715.
3306 * testsuite/std/ranges/adaptors/lwg3715.cc: New test.
3308 2023-03-14 Jonathan Wakely <jwakely@redhat.com>
3310 * include/bits/chrono.h (__is_duration_v, __is_time_point_v):
3311 Only define for C++17 and later.
3313 2023-03-14 Jonathan Wakely <jwakely@redhat.com>
3315 * src/Makefile.am: Add comment about linker script fragments.
3316 * src/Makefile.in: Regenerate.
3318 2023-03-14 Jonathan Wakely <jwakely@redhat.com>
3321 * include/bits/mask_array.h (mask_array): Add assertions to
3322 assignment operators.
3323 * include/std/valarray (valarray::operator[](valarray<bool>)):
3325 * testsuite/26_numerics/valarray/mask-1_neg.cc: New test.
3326 * testsuite/26_numerics/valarray/mask-2_neg.cc: New test.
3327 * testsuite/26_numerics/valarray/mask-3_neg.cc: New test.
3328 * testsuite/26_numerics/valarray/mask-4_neg.cc: New test.
3329 * testsuite/26_numerics/valarray/mask-5_neg.cc: New test.
3330 * testsuite/26_numerics/valarray/mask-6_neg.cc: New test.
3331 * testsuite/26_numerics/valarray/mask-7_neg.cc: New test.
3332 * testsuite/26_numerics/valarray/mask-8_neg.cc: New test.
3333 * testsuite/26_numerics/valarray/mask.cc: New test.
3335 2023-03-13 Jakub Jelinek <jakub@redhat.com>
3337 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
3338 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3340 2023-03-13 Jonathan Wakely <jwakely@redhat.com>
3342 * doc/Makefile.am: Add comment referring to documentation.
3343 * doc/Makefile.in: Regenerate.
3345 2023-03-13 Jonathan Wakely <jwakely@redhat.com>
3347 * doc/html/*: Regenerate.
3349 2023-03-13 Jonny Grant <jg@jguk.org>
3351 * doc/xml/faq.xml: Update copyright year.
3353 2023-03-13 Jonathan Wakely <jwakely@redhat.com>
3355 * include/bits/allocator.h: Fix typo in comment.
3357 2023-03-12 Jakub Jelinek <jakub@redhat.com>
3359 * config/abi/pre/gnu.ver (CXXABI_1.3.14): Also export __bf16 tinfos
3360 if it isn't mangled as DF16b but u6__bf16.
3362 2023-03-12 Gerald Pfeifer <gerald@pfeifer.com>
3364 * doc/xml/manual/documentation_hacking.xml: Move www.graphviz.org
3366 * doc/html/manual/documentation_hacking.html: Regenerate.
3368 2023-03-10 Jonathan Wakely <jwakely@redhat.com>
3371 * python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker):
3372 Remove self-recursion in __init__. Add missing _supports.
3373 * testsuite/libstdc++-xmethods/shared_ptr.cc: Check use_count()
3376 2023-03-09 Patrick Palka <ppalka@redhat.com>
3378 * include/std/ranges
3379 (cartesian_product_view::_Iterator::_Iterator): Remove
3380 constraint on default constructor as per LWG 3849.
3381 (cartesian_product_view::_Iterator::_M_prev): Adjust position
3382 of _Nm > 0 test as per LWG 3820.
3383 (cartesian_product_view::_Iterator::_M_advance): Perform bounds
3384 checking only on sized cartesian products.
3385 * testsuite/std/ranges/cartesian_product/1.cc (test08): New test.
3387 2023-03-09 Patrick Palka <ppalka@redhat.com>
3390 * include/std/ranges (chunk_by_view::_M_pred): Remove DMI as per
3392 (repeat_view::_M_pred): Likewise.
3393 * testsuite/std/ranges/adaptors/chunk_by/1.cc (test03): New test.
3394 * testsuite/std/ranges/repeat/1.cc (test05): New test.
3396 2023-03-09 Patrick Palka <ppalka@redhat.com>
3399 * include/std/ranges (__detail::__can_single_view): New concept.
3400 (_Single::operator()): Constrain it. Move [[nodiscard]] to the
3401 end of the function declarator.
3402 (__detail::__can_iota_view): New concept.
3403 (_Iota::operator()): Constrain it. Move [[nodiscard]] to the
3404 end of the function declarator.
3405 (__detail::__can_istream_view): New concept.
3406 (_Istream::operator()): Constrain it. Move [[nodiscard]] to the
3407 end of the function declarator.
3408 * testsuite/std/ranges/iota/iota_view.cc (test07): New test.
3409 * testsuite/std/ranges/istream_view.cc (test08): New test.
3410 * testsuite/std/ranges/single_view.cc (test07): New test.
3412 2023-03-09 Patrick Palka <ppalka@redhat.com>
3415 * include/std/ranges (cartesian_product_view::end): When
3416 building the tuple of iterators, avoid calling ranges::begin on
3417 the first range if __empty_tail is false.
3418 * testsuite/std/ranges/cartesian_product/1.cc (test07): New test.
3420 2023-03-09 Jonathan Wakely <jwakely@redhat.com>
3423 * config/os/gnu-linux/ldbl-ieee128-extra.ver: Fix incorrect
3426 2023-03-07 Jakub Jelinek <jakub@redhat.com>
3428 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3429 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
3430 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
3431 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
3432 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
3434 2023-03-07 Jonathan Wakely <jwakely@redhat.com>
3437 * config/abi/pre/gnu.ver (GLIBCXX_3.4.31): Adjust patterns to
3438 not match symbols in namespace std::__gnu_cxx11_ieee128.
3439 * config/os/gnu-linux/ldbl-ieee128-extra.ver: Add patterns for
3440 std::__gnu_cxx11_ieee128::money_{get,put}.
3442 2023-03-07 Jonathan Wakely <jwakely@redhat.com>
3444 * libsupc++/eh_personality.cc: Fix spelling in comment.
3446 2023-03-03 Alexandre Oliva <oliva@adacore.com>
3448 * testsuite/30_threads/async/async.cc (test04): Initialize
3449 steady_start, renamed from steady_begin, next to slow_start.
3450 Increase tolerance for final wait.
3452 2023-03-03 Alexandre Oliva <oliva@adacore.com>
3454 * testsuite/libstdc++-prettyprinters/80276.cc: Add
3455 std::string to debug info.
3456 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
3458 2023-03-03 Alexandre Oliva <oliva@adacore.com>
3463 * include/bits/std_thread.h (thread::_M_thread_deps): New
3464 static implicitly-inline member function.
3465 (std::thread template ctor): Pass it to _M_start_thread.
3466 * src/c++11/thread.cc (thread::_M_start_thread): Name depend
3467 parameter, force it live on entry.
3469 2023-03-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3471 * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
3472 * config/abi/post/i386-solaris/amd64/baseline_symbols.txt:
3474 * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
3475 * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
3478 2023-03-01 Jonathan Wakely <jwakely@redhat.com>
3480 * include/bits/cow_string.h: Fix typo in comment.
3482 2023-03-01 Jonathan Wakely <jwakely@redhat.com>
3484 * src/c++20/tzdb.cc (chrono::tzdb::current_zone()) Use "UTC" if
3485 current time zone cannot be determined.
3486 * testsuite/std/time/tzdb/1.cc: Remove conditions based on
3487 HAVE_TZDB macro and test all members unconditionally.
3489 2023-02-28 Jonathan Wakely <jwakely@redhat.com>
3492 * include/bits/uses_allocator_args.h
3493 (uses_allocator_construction_args): Implement LWG 3527.
3494 * testsuite/20_util/pair/astuple/get-2.cc: New test.
3495 * testsuite/20_util/scoped_allocator/108952.cc: New test.
3496 * testsuite/20_util/uses_allocator/lwg3527.cc: New test.
3498 2023-02-28 Jonathan Wakely <jwakely@redhat.com>
3501 * include/bits/stl_algobase.h (__copy_move<false, false, RA>)
3502 Add __assign_one static member function.
3503 (__copy_move<true, false, RA>): Likewise.
3504 (__copy_move<IsMove, true, RA>): Do not use memmove for a single
3506 (__copy_move_backward<IsMove, true, RA>): Likewise.
3507 * testsuite/25_algorithms/copy/108846.cc: New test.
3508 * testsuite/25_algorithms/copy_backward/108846.cc: New test.
3509 * testsuite/25_algorithms/copy_n/108846.cc: New test.
3510 * testsuite/25_algorithms/move/108846.cc: New test.
3511 * testsuite/25_algorithms/move_backward/108846.cc: New test.
3513 2023-02-28 Jonathan Wakely <jwakely@redhat.com>
3515 * src/c++11/codecvt.cc: Add [[likely]] and [[unlikely]]
3518 2023-02-27 Jonathan Wakely <jwakely@redhat.com>
3520 * include/bits/basic_ios.h (basic_ios::_M_setstate): Add
3522 * include/bits/basic_string.h (resize_and_overwrite): Add
3525 2023-02-24 Matthias Kretz <m.kretz@gsi.de>
3527 * include/experimental/bits/simd.h: Line breaks and indenting
3528 fixed to follow the libstdc++ standard.
3529 * include/experimental/bits/simd_builtin.h: Likewise.
3530 * include/experimental/bits/simd_fixed_size.h: Likewise.
3531 * include/experimental/bits/simd_neon.h: Likewise.
3532 * include/experimental/bits/simd_ppc.h: Likewise.
3533 * include/experimental/bits/simd_scalar.h: Likewise.
3534 * include/experimental/bits/simd_x86.h: Likewise.
3536 2023-02-24 Matthias Kretz <m.kretz@gsi.de>
3539 * include/experimental/bits/simd_fixed_size.h
3540 (_SimdImplFixedSize::_S_broadcast): Replace inline with
3541 _GLIBCXX_SIMD_INTRINSIC.
3542 (_SimdImplFixedSize::_S_generate): Likewise.
3543 (_SimdImplFixedSize::_S_load): Likewise.
3544 (_SimdImplFixedSize::_S_masked_load): Likewise.
3545 (_SimdImplFixedSize::_S_store): Likewise.
3546 (_SimdImplFixedSize::_S_masked_store): Likewise.
3547 (_SimdImplFixedSize::_S_min): Likewise.
3548 (_SimdImplFixedSize::_S_max): Likewise.
3549 (_SimdImplFixedSize::_S_complement): Likewise.
3550 (_SimdImplFixedSize::_S_unary_minus): Likewise.
3551 (_SimdImplFixedSize::_S_plus): Likewise.
3552 (_SimdImplFixedSize::_S_minus): Likewise.
3553 (_SimdImplFixedSize::_S_multiplies): Likewise.
3554 (_SimdImplFixedSize::_S_divides): Likewise.
3555 (_SimdImplFixedSize::_S_modulus): Likewise.
3556 (_SimdImplFixedSize::_S_bit_and): Likewise.
3557 (_SimdImplFixedSize::_S_bit_or): Likewise.
3558 (_SimdImplFixedSize::_S_bit_xor): Likewise.
3559 (_SimdImplFixedSize::_S_bit_shift_left): Likewise.
3560 (_SimdImplFixedSize::_S_bit_shift_right): Likewise.
3561 (_SimdImplFixedSize::_S_remquo): Add inline keyword (to be
3562 explicit about not always-inline, yet).
3563 (_SimdImplFixedSize::_S_isinf): Likewise.
3564 (_SimdImplFixedSize::_S_isfinite): Likewise.
3565 (_SimdImplFixedSize::_S_isnan): Likewise.
3566 (_SimdImplFixedSize::_S_isnormal): Likewise.
3567 (_SimdImplFixedSize::_S_signbit): Likewise.
3569 2023-02-24 Matthias Kretz <m.kretz@gsi.de>
3572 * include/experimental/bits/simd_builtin.h
3573 (_SimdImplBuiltin::_S_masked_unary): More efficient
3574 implementation of masked inc-/decrement for integers and floats
3576 * include/experimental/bits/simd_x86.h
3577 (_SimdImplX86::_S_masked_unary): New. Use AVX512 masked subtract
3578 builtins for masked inc-/decrement.
3580 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3582 * include/experimental/executor (executor): Constrain template
3585 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3587 * include/experimental/internet (basic_endpoint): Add missing
3588 constexpr to comparison operators.
3589 * testsuite/experimental/net/internet/endpoint/cons.cc: New test.
3591 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3593 * include/experimental/internet (network_v4::netmask()): Avoid
3595 (network_v4::broadcast()): Optimize and fix for targets with
3596 uint_least32_t wider than 32 bits.
3597 (network_v4::to_string(const Allocator&)): Fix for custom
3598 allocators and optimize using to_chars.
3599 (operator==(const network_v4&, const network_v4&)): Add missing
3601 (operator==(const network_v6&, const network_v6&)): Likewise.
3602 * testsuite/experimental/net/internet/network/v4/cons.cc: New test.
3603 * testsuite/experimental/net/internet/network/v4/members.cc: New test.
3605 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3607 * include/experimental/internet (address_4(const bytes_type&)):
3608 Use __builtin_bit_cast if available, otherwise convert to
3610 (address_v4::to_bytes()): Likewise, but convert from network
3612 * testsuite/experimental/net/internet/address/v4/cons.cc: Fix
3613 incorrect tests. Check for constexpr too.
3614 * testsuite/experimental/net/internet/address/v4/creation.cc:
3616 * testsuite/experimental/net/internet/address/v4/members.cc:
3617 Check that bytes_type is a standard-layout type.
3619 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3621 * include/experimental/internet (address_v4::to_string):
3623 * testsuite/experimental/net/internet/address/v4/members.cc:
3624 Check more addresses.
3626 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3628 * include/ext/aligned_buffer.h (__aligned_buffer): Add
3631 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3633 * testsuite/std/format/arguments/lwg3810.cc: Move dg-options
3636 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3638 * testsuite/experimental/simd/tests/reductions.cc: Introduce
3639 max_distance as the type-dependent max error.
3641 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3643 * include/experimental/bits/simd_builtin.h (_S_set): Compare as
3644 int. The actual range of these indexes is very small.
3646 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3648 * include/experimental/bits/simd_x86.h (_S_bit_shift_left)
3649 (_S_bit_shift_right): Declare constexpr. The implementation was
3650 already expecting constexpr evaluation.
3652 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3655 * include/experimental/bits/simd_detail.h
3656 (_GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA): Define as empty for
3659 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3662 * include/experimental/bits/simd.h (__vector_broadcast):
3663 Implement via __vector_broadcast_impl instead of
3664 __call_with_n_evaluations + 2 lambdas.
3665 (__vector_broadcast_impl): New.
3667 2023-02-22 Alexandre Oliva <oliva@adacore.com>
3669 * src/c++11/shared_ptr.cc (__gnu_internal::get_mutex):
3670 Avoid destruction of the mutex pool.
3672 2023-02-22 Alexandre Oliva <oliva@adacore.com>
3674 * testsuite/27_io/basic_ofstream/open/char/noreplace.cc: xfail
3676 * testsuite/27_io/basic_ofstream/open/wchar_t/noreplace.cc:
3679 2023-02-22 Alexandre Oliva <oliva@adacore.com>
3681 * testsuite/17_intro/names.cc: Undef func on vxworks >= 7 in
3684 2023-02-20 Andreas Schwab <schwab@linux-m68k.org>
3686 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
3688 2023-02-20 Matthias Kretz <m.kretz@gsi.de>
3690 * include/experimental/bits/simd.h (__extract_part, split):
3691 Use reserved name for template parameter.
3693 2023-02-20 Andreas Schwab <schwab@suse.de>
3695 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3697 2023-02-18 Gerald Pfeifer <gerald@pfeifer.com>
3699 * doc/xml/faq.xml: Switch two links to www.open-std.org to https.
3700 * doc/html/faq.html: Regenerate.
3702 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3704 * include/experimental/bits/simd_math.h (__hypot): Bitcasting
3705 between scalars requires the __bit_cast helper function instead
3708 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3710 * include/experimental/bits/simd_x86.h
3711 (_SimdImplX86::_S_not_equal_to, _SimdImplX86::_S_less)
3712 (_SimdImplX86::_S_less_equal): Do not call
3713 __builtin_is_constant_evaluated in constexpr-if.
3715 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3717 * testsuite/experimental/simd/tests/bits/verify.h
3718 (verify::verify): Use %zx for size_t in format string.
3720 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3722 * testsuite/experimental/simd/generate_makefile.sh: Generate and
3723 pre-compile pch.h, which includes all headers that do not depend
3724 on command-line macros.
3725 * testsuite/experimental/simd/tests/bits/main.h: New file.
3726 (iterate_abis, main): Moved from verify.h.
3727 * testsuite/experimental/simd/tests/bits/verify.h
3728 (iterate_abis, main): Moved to main.h.
3729 * testsuite/experimental/simd/tests/bits/conversions.h: Add
3731 (genHalfBits): Simplify.
3732 * testsuite/experimental/simd/tests/bits/make_vec.h: Add include
3734 (make_alternating_mask): Moved from mask_loadstore.
3735 * testsuite/experimental/simd/tests/bits/mathreference.h: Add
3737 * testsuite/experimental/simd/tests/bits/test_values.h: Ditto.
3738 * testsuite/experimental/simd/tests/mask_loadstore.cc
3739 (make_mask, make_alternating_mask): Removed.
3740 * testsuite/experimental/simd/tests/mask_reductions.cc: Ditto.
3741 * testsuite/experimental/simd/tests/operators.cc (genHalfBits):
3743 * testsuite/experimental/simd/tests/abs.cc: Only include
3746 * testsuite/experimental/simd/tests/algorithms.cc: Ditto.
3747 * testsuite/experimental/simd/tests/broadcast.cc: Ditto.
3748 * testsuite/experimental/simd/tests/casts.cc: Ditto.
3749 * testsuite/experimental/simd/tests/fpclassify.cc: Ditto.
3750 * testsuite/experimental/simd/tests/frexp.cc: Ditto.
3751 * testsuite/experimental/simd/tests/generator.cc: Ditto.
3752 * testsuite/experimental/simd/tests/hypot3_fma.cc: Ditto.
3753 * testsuite/experimental/simd/tests/integer_operators.cc: Ditto.
3754 * testsuite/experimental/simd/tests/ldexp_scalbn_scalbln_modf.cc:
3755 * testsuite/experimental/simd/tests/loadstore.cc: Ditto.
3756 * testsuite/experimental/simd/tests/logarithm.cc: Ditto.
3757 * testsuite/experimental/simd/tests/mask_broadcast.cc: Ditto.
3758 * testsuite/experimental/simd/tests/mask_conversions.cc: Ditto.
3759 * testsuite/experimental/simd/tests/mask_implicit_cvt.cc: Ditto.
3760 * testsuite/experimental/simd/tests/mask_operator_cvt.cc: Ditto.
3761 * testsuite/experimental/simd/tests/mask_operators.cc: Ditto.
3762 * testsuite/experimental/simd/tests/math_1arg.cc: Ditto.
3763 * testsuite/experimental/simd/tests/math_2arg.cc: Ditto.
3764 * testsuite/experimental/simd/tests/operator_cvt.cc: Ditto.
3765 * testsuite/experimental/simd/tests/reductions.cc: Ditto.
3766 * testsuite/experimental/simd/tests/remqo.cc: Ditto.
3767 * testsuite/experimental/simd/tests/simd.cc: Ditto.
3768 * testsuite/experimental/simd/tests/sincos.cc: Ditto.
3769 * testsuite/experimental/simd/tests/split_concat.cc: Ditto.
3770 * testsuite/experimental/simd/tests/splits.cc: Ditto.
3771 * testsuite/experimental/simd/tests/trigonometric.cc: Ditto.
3772 * testsuite/experimental/simd/tests/trunc_ceil_floor.cc: Ditto.
3773 * testsuite/experimental/simd/tests/where.cc: Ditto.
3775 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3777 * testsuite/experimental/simd/README.md: Document the timeout
3778 and timeout-factor directives. Minor typo fixed.
3780 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3783 * include/experimental/bits/simd_detail.h: Define
3784 _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA.
3785 * include/experimental/bits/simd.h: Annotate lambdas with
3786 _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA.
3787 * include/experimental/bits/simd_builtin.h: Ditto.
3788 * include/experimental/bits/simd_converter.h: Ditto.
3789 * include/experimental/bits/simd_fixed_size.h: Ditto.
3790 * include/experimental/bits/simd_math.h: Ditto.
3791 * include/experimental/bits/simd_neon.h: Ditto.
3792 * include/experimental/bits/simd_x86.h: Ditto.
3794 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3796 * include/experimental/bits/simd.h
3797 (_SimdWrapper::_M_is_constprop_none_of)
3798 (_SimdWrapper::_M_is_constprop_all_of): Return false unless the
3799 computed result still satisfies __builtin_constant_p.
3801 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3803 * testsuite/std/format/arguments/lwg3810.cc: Replace UTF-8
3806 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3808 * include/Makefile.am: Add new header.
3809 * include/Makefile.in: Regenerate.
3810 * include/experimental/synchronized_value: New file.
3811 * testsuite/experimental/synchronized_value.cc: New test.
3813 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3815 * include/experimental/optional: Fix header name in comment.
3817 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3819 * include/std/format (__format::_Arg_store): New class template.
3820 (basic_format_args): Remove nested type _Store and add deduction
3821 guide from _Arg_store.
3822 (basic_format_arg, make_format_args): Adjust.
3823 * testsuite/std/format/arguments/lwg3810.cc: New test.
3825 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3827 * include/bits/stl_pair.h (pair) [C++20]: Add non-dangling
3828 constraints to constructors and add deleted overloads for the
3829 dangling cases, as per P2255R2.
3830 (pair) [!C++20 && _GLIBCXX_DEBUG]: Add static assertions to
3831 make dangling cases ill-formed.
3832 * testsuite/20_util/pair/dangling_ref.cc: New test.
3834 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3836 * testsuite/17_intro/names_pstl.cc: Require et tbb_backend.
3838 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3840 * include/ext/throw_allocator.h: Use reserved names for
3843 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3845 * testsuite/17_intro/names_pstl.cc: Add space after effective
3848 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3850 * include/pstl/algorithm_fwd.h (__pattern_search_n)
3851 (__brick_unique_copy, __brick_adjacent_find)
3852 (__brick_generate_n, __pattern_generate_n): Use reserved names
3854 * include/pstl/algorithm_impl.h (__brick_unique_copy)
3855 (__pattern_reverse, __brick_generate_n): Likewise.
3856 * include/pstl/execution_impl.h (__prefer_unsequenced_tag)
3857 (__prefer_parallel_tag): Likewise.
3858 * include/pstl/glue_algorithm_impl.h (transform): Likewise.
3859 * include/pstl/glue_numeric_defs.h (adjacent_difference):
3861 * include/pstl/numeric_impl.h (__brick_adjacent_difference):
3863 * include/pstl/parallel_backend_tbb.h (__merge_func): Likewise.
3864 * include/pstl/unseq_backend_simd.h (_Combiner)
3865 (__simd_min_element, __simd_minmax_element): Likewise.
3866 * testsuite/17_intro/names_pstl.cc: New test.
3868 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3870 * include/bits/fs_ops.h (create_directory): Use reserved name
3872 * include/bits/ranges_algo.h (__contains_subrange_fn):
3874 * include/bits/regex_automaton.h (_State_base::_M_print):
3876 * include/bits/regex_automaton.tcc(_State_base::_M_print):
3878 * include/bits/regex_scanner.tcc(_Scanner::_M_print): Likewise.
3879 * include/experimental/bits/fs_ops.h (create_directory):
3881 * include/std/mutex (timed_mutex::_M_clocklock): Likewise.
3882 (recursive_timed_mutex:_M_clocklock): Likewise.
3883 * include/std/tuple (basic_common_reference): Likewise.
3884 * libsupc++/cxxabi_init_exception.h
3885 (__cxa_init_primary_exception): Likewise.
3886 * testsuite/17_intro/names.cc: Add checks.
3888 2023-02-14 Gerald Pfeifer <gerald@pfeifer.com>
3890 * doc/xml/manual/status_cxx2017.xml: Update an open-std.org link
3891 to www.open-std.org and https.
3892 * doc/html/manual/status.html: Regenerate.
3894 2023-02-14 Thomas W Rodgers <rodgert@twrodgers.com>
3897 * include/std/atomic (atomic_flag_wait): Add.
3898 (atomic_flag_wait_explicit): Add.
3899 (atomic_flag_notify): Add.
3900 (atomic_flag_notify_explicit): Add.
3901 * testsuite/29_atomics/atomic_flag/wait_notify/1.cc:
3902 Add test case to cover missing atomic_flag free functions.
3904 2023-02-14 Thomas W Rodgers <rodgert@twrodgers.com>
3907 * include/std/atomic (atomic_flag_test): Add.
3908 (atomic_flag_test_explicit): Add.
3909 * testsuite/29_atomics/atomic_flag/test/explicit.cc: Add
3910 test case to cover missing atomic_flag free functions.
3911 * testsuite/29_atomics/atomic_flag/test/implicit.cc:
3914 2023-02-13 Gerald Pfeifer <gerald@pfeifer.com>
3916 * doc/xml/manual/policy_data_structures_biblio.xml: Adjust
3917 "The Component Object Model" reference.
3918 * doc/html/manual/policy_data_structures.html: Regenerate.
3920 2023-02-12 Gerald Pfeifer <gerald@pfeifer.com>
3922 * doc/xml/manual/containers.xml: Tweak a link to N1780
3924 * doc/html/manual/associative.html: Regenerate.
3926 2023-02-12 Gerald Pfeifer <gerald@pfeifer.com>
3928 * doc/xml/manual/ctype.xml: Change www.unix.org to unix.org.
3929 * doc/html/manual/facets.html: Regenerate.
3931 2023-02-11 Gerald Pfeifer <gerald@pfeifer.com>
3933 * doc/xml/manual/policy_data_structures_biblio.xml: Update
3934 link to "Worst-case efficient priority queues".
3935 * doc/html/manual/policy_data_structures.html: Regenerate.
3937 2023-02-06 Arsen Arsenović <arsen@aarsen.me>
3939 * doc/xml/manual/using.xml: Document newly-freestanding
3940 headers and the effect of the -ffreestanding flag.
3941 * doc/xml/manual/status_cxx2023.xml: Document P1642R11 as
3943 * doc/xml/manual/configure.xml: Document that hosted installs
3944 respect __STDC_HOSTED__.
3945 * doc/xml/manual/test.xml: Document how to run tests in
3947 * doc/html/*: Regenerate.
3949 2023-02-06 Jonathan Wakely <jwakely@redhat.com>
3951 * include/bits/ranges_algo.h (__find_last_fn): Rename T to _Tp.
3952 (__find_last_if_fn): Likewise.
3954 2023-02-06 Jonathan Wakely <jwakely@redhat.com>
3956 * include/std/type_traits: Add diagnostic pragmas around
3957 references to deprecated std::aligned_storage and
3958 std::aligned_union traits.
3959 * testsuite/20_util/aligned_storage/requirements/alias_decl.cc:
3960 Add dg-warning for et c++23.
3961 * testsuite/20_util/aligned_storage/requirements/explicit_instantiation.cc:
3963 * testsuite/20_util/aligned_storage/value.cc: Likewise.
3964 * testsuite/20_util/aligned_union/1.cc: Likewise.
3965 * testsuite/20_util/aligned_union/requirements/alias_decl.cc:
3968 2023-02-06 Nathaniel Shead <nathanieloshead@gmail.com>
3970 * doc/doxygen/user.cfg.in (PREDEFINED): Add new macros.
3971 * include/bits/c++config (_GLIBCXX23_DEPRECATED)
3972 (_GLIBCXX23_DEPRECATED_SUGGEST): New macros.
3973 * include/std/type_traits (aligned_storage, aligned_union)
3974 (aligned_storage_t, aligned_union_t): Deprecate for C++23.
3975 * testsuite/20_util/aligned_storage/deprecated-2b.cc: New test.
3976 * testsuite/20_util/aligned_union/deprecated-2b.cc: New test.
3978 2023-02-06 Nathaniel Shead <nathanieloshead@gmail.com>
3980 * doc/doxygen/user.cfg.in (PREDEFINED): Update macros.
3981 * include/bits/c++config (_GLIBCXX20_DEPRECATED): Make
3982 consistent with other 'deprecated' macros.
3983 * include/std/type_traits (is_pod, is_pod_v): Use
3984 _GLIBCXX20_DEPRECATED_SUGGEST instead.
3986 2023-02-06 Arsen Arsenović <arsen@aarsen.me>
3988 * Makefile.am [!_GLIBCXX_HOSTED]: Enable src/ subdirectory.
3989 * Makefile.in: Regenerate.
3990 * src/Makefile.am [!_GLIBCXX_HOSTED]: Omit compatibility files.
3991 There's no history to be compatible with.
3992 * src/c++11/Makefile.am [!_GLIBCXX_HOSTED]: Omit hosted-only
3993 source files from the build.
3994 * src/c++17/Makefile.am [!_GLIBCXX_HOSTED]: Likewise.
3995 * src/c++20/Makefile.am [!_GLIBCXX_HOSTED]: Likewise.
3996 * src/c++98/Makefile.am [!_GLIBCXX_HOSTED]: Likewise.
3997 * src/Makefile.in: Regenerate.
3998 * src/c++11/Makefile.in: Regenerate.
3999 * src/c++17/Makefile.in: Regenerate.
4000 * src/c++20/Makefile.in: Regenerate.
4001 * src/c++98/Makefile.in: Regenerate.
4003 2023-02-06 Jonathan Wakely <jwakely@redhat.com>
4005 * src/Makefile.am [GLIBCXX_HOSTED] (SUBDIRS): Do not add
4006 filesystem, libbacktrace and experimental.
4007 * src/Makefile.in: Regenerate.
4009 2023-02-04 Hans-Peter Nilsson <hp@axis.com>
4012 * include/pstl/unseq_backend_simd.h (__simd_or): Use __INT32_TYPE__
4015 2023-02-04 Gerald Pfeifer <gerald@pfeifer.com>
4017 * doc/xml/manual/documentation_hacking.xml: Adjust link to pdftex.
4018 * doc/html/manual/documentation_hacking.html: Regenerate.
4020 2023-02-04 François Dumont <fdumont@gcc.gnu.org>
4022 * include/bits/basic_string.h (operator=(basic_string&&)): Transfer move-to
4023 storage to the move-from instance when allocators are equal.
4024 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc (test04):
4027 2023-02-03 Samuel Thibault <samuel.thibault@gnu.org>
4029 * config/os/gnu-linux/os_defines.h [!__linux__]
4030 (_GLIBCXX_NATIVE_THREAD_ID, _GLIBCXX_GTHREAD_USE_WEAK): Do not define.
4032 2023-02-03 Patrick Palka <ppalka@redhat.com>
4034 * include/bits/ranges_algo.h (__find_last_fn, find_last):
4036 (__find_last_if_fn, find_last_if): Define.
4037 (__find_last_if_not_fn, find_last_if_not): Define.
4038 * testsuite/25_algorithms/find_last/1.cc: New test.
4039 * testsuite/25_algorithms/find_last_if/1.cc: New test.
4040 * testsuite/25_algorithms/find_last_if_not/1.cc: New test.
4042 2023-02-03 Patrick Palka <ppalka@redhat.com>
4044 * include/bits/ranges_algo.h (out_value_result): Define.
4045 (iota_result): Define.
4046 (__iota_fn, iota): Define.
4047 * testsuite/25_algorithms/iota/1.cc: New test.
4049 2023-02-03 Patrick Palka <ppalka@redhat.com>
4051 * include/bits/ranges_algo.h (__contains_fn, contains): Define.
4052 (__contains_subrange_fn, contains_subrange): Define.
4053 * testsuite/25_algorithms/contains/1.cc: New test.
4054 * testsuite/25_algorithms/contains_subrange/1.cc: New test.
4056 2023-02-02 Gerald Pfeifer <gerald@pfeifer.com>
4058 * doc/xml/manual/abi.xml: Tweak link to ABIcheck project.
4059 * doc/html/manual/abi.html: Regenerate.
4061 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
4063 * src/filesystem/ops-common.h [AVR] (__unsupported): Always use
4064 errc::function_not_supported instead of errc::not_supported.
4066 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
4068 * include/std/sstream (basic_stringbuf::view): Define for old
4070 (basic_istringstream::view, basic_0stringstream::view)
4071 (basic_stringstream::view): Likewise.
4072 * testsuite/27_io/basic_istringstream/view/char/1.cc: Remove
4073 { dg-require-effective-target cxx11_abi }.
4074 * testsuite/27_io/basic_istringstream/view/wchar_t/1.cc:
4076 * testsuite/27_io/basic_ostringstream/view/char/1.cc: Likewise.
4077 * testsuite/27_io/basic_ostringstream/view/wchar_t/1.cc:
4079 * testsuite/27_io/basic_stringbuf/view/char/1.cc: Likewise.
4080 * testsuite/27_io/basic_stringbuf/view/wchar_t/1.cc: Likewise.
4081 * testsuite/27_io/basic_stringstream/view/char/1.cc: Likewise.
4082 * testsuite/27_io/basic_stringstream/view/wchar_t/1.cc:
4085 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
4088 * config/abi/pre/gnu.ver (GLIBCXX_3.4.31): Export shared_ptr
4089 conversion operators for directory iterator comparisons with
4090 std::default_sentinel_t.
4091 * include/bits/fs_path.h (path::path(string_view, _Type))
4092 (path::_Cmpt::_Cmpt(string_view, _Type, size_t)): Move inline
4094 * src/c++17/fs_path.cc: ... here.
4095 * testsuite/27_io/filesystem/path/108636.cc: New test.
4097 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
4099 * include/std/variant (variant::operator=): Implement resolution
4101 * testsuite/20_util/variant/lwg3585.cc: New test.
4103 2023-02-02 Gerald Pfeifer <gerald@pfeifer.com>
4105 * doc/xml/manual/using_exceptions.xml: Update a www.open-std.org
4107 * doc/html/manual/using_exceptions.html: Regenerate.
4109 2023-02-02 Gerald Pfeifer <gerald@pfeifer.com>
4111 * doc/xml/manual/debug.xml: Fix link to online GDB manual.
4112 * doc/html/manual/debug.html: Regenerate.
4114 2023-02-01 Jonathan Wakely <jwakely@redhat.com>
4116 * src/c++11/random.cc (random_device::_M_fini): Do not try to
4117 close the file handle if the target doesn't support the
4118 /dev/random and /dev/urandom files.
4120 2023-02-01 Jonathan Wakely <jwakely@redhat.com>
4122 * config/os/generic/error_constants.h (errc::value_too_large)
4124 * src/c++11/system_error.cc
4125 (system_category::default_error_condition) [__AVR__]: Only match
4126 recognize values equal to EDOM, ERANGE, ENOSYS and EINTR.
4127 * src/c++17/fs_ops.cc (fs::current_path) [__AVR__]: Do not check
4128 for ENOENT etc. in switch.
4129 (fs::remove_all) [__AVR__]: Likewise.
4130 * src/filesystem/ops-common.h [__AVR__]: Do not use POSIX open,
4133 2023-02-01 Jonathan Wakely <jwakely@redhat.com>
4135 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR) [avr-*-*, msp430-*-*]: Set
4137 * configure: Regenerate.
4139 2023-02-01 Hans-Peter Nilsson <hp@axis.com>
4142 * testsuite/std/time/hh_mm_ss/1.cc (size): Add empty
4143 struct at end of S0.
4145 2023-01-30 Gerald Pfeifer <gerald@pfeifer.com>
4147 * doc/xml/manual/shared_ptr.xml: Move links from both
4148 http://open-std.org and http://www.open-std.org to
4149 https://www.open-std.org.
4150 * doc/html/manual/memory.html: Regenerate.
4152 2023-01-28 Gerald Pfeifer <gerald@pfeifer.com>
4154 * doc/xml/manual/appendix_contributing.xml: Adjust link to
4155 ISO C++ standard at ANSI.
4156 Move link to www.open-std.org to https.
4157 * doc/html/manual/appendix_contributing.html: Regenerate.
4159 2023-01-28 Gerald Pfeifer <gerald@pfeifer.com>
4161 * doc/xml/manual/documentation_hacking.xml: Move sourceforge.net
4163 * doc/html/manual/documentation_hacking.html: Regenerate.
4165 2023-01-28 Gerald Pfeifer <gerald@pfeifer.com>
4167 * doc/xml/manual/abi.xml: Update www.open-std.org link to https.
4168 * doc/html/manual/abi.html: Regenerate.
4170 2023-01-27 Jakub Jelinek <jakub@redhat.com>
4173 * testsuite/17_intro/names.cc (__unused): For linux or GNU hurd
4174 include features.h if present and then check __GLIBC__ and
4175 __GLIBC_MINOR__ macros for glibc prior to 2.19, instead of testing
4176 __GLIBC_PREREQ which isn't defined yet.
4178 2023-01-27 Jonathan Wakely <jwakely@redhat.com>
4180 * src/c++20/tzdb.cc (tzdata_stream): Use constant instead of
4183 2023-01-27 Jonathan Wakely <jwakely@redhat.com>
4186 * testsuite/23_containers/map/modifiers/108554.cc: Use dg-bogus.
4188 2023-01-26 Jonathan Wakely <jwakely@redhat.com>
4190 * src/c++20/tzdb.cc (operator>>(istream&, ZoneInfo&)): Allow
4191 rules named "+" for compatibility with older tzdata.zi files.
4193 2023-01-26 Jonathan Wakely <jwakely@redhat.com>
4196 * include/bits/stl_tree.h (_Rb_tree_insert_and_rebalance): Add
4198 (_Rb_tree_rebalance_for_erase): Add nonnull and returns_nonnull
4200 * testsuite/23_containers/map/modifiers/108554.cc: New test.
4202 2023-01-26 Jonathan Wakely <jwakely@redhat.com>
4205 * src/c++20/tzdb.cc (current_zone): Look for TIMEZONE or ZONE in
4206 /etc/sysconfig/clock, not DEFAULT_TIMEZONE.
4208 2023-01-26 Gerald Pfeifer <gerald@pfeifer.com>
4210 * doc/xml/manual/intro.xml: Update links to www.open-std.org to
4212 * doc/html/manual/bugs.html: Regenerate.
4214 2023-01-24 Jonathan Wakely <jwakely@redhat.com>
4217 * src/c++20/tzdb.cc (current_zone): Look for DEFAULT_TIMEZONE in
4218 /etc/sysconfig/clock.
4220 2023-01-24 Jonathan Wakely <jwakely@redhat.com>
4223 * include/bits/ranges_base.h: Include <bits/stl_iterator.h> for
4224 std::make_reverse_iterator.
4225 * include/std/tuple: Include <bits/ranges_util.h> for subrange.
4226 (make_from_tuple): Add static assertion from P2255 to diagnose
4227 dangling references.
4228 * testsuite/20_util/tuple/make_from_tuple/dangling_ref.cc: New test.
4229 * testsuite/20_util/tuple/make_from_tuple/tuple_like.cc: New test.
4231 2023-01-23 François Dumont <fdumont@gcc.gnu.org>
4233 * include/debug/safe_iterator.h (_Safe_iterator<>::_Unchecked): New.
4234 (_Safe_iterator(const _Safe_iterator&, _Unchecked)): New.
4235 (_Safe_iterator::operator++(int)): Use latter.
4236 (_Safe_iterator::operator--(int)): Likewise.
4237 (_Safe_iterator(_Iterator, const _Safe_sequence_base*)): Remove !_M_insular()
4239 * include/debug/safe_local_iterator.h (_Safe_local_iterator<>::_Unchecked):
4241 (_Safe_local_iterator(const _Safe_local_iterator&, _Unchecked)): New.
4242 (_Safe_local_iterator::operator++(int)): Use latter.
4243 * src/c++11/debug.cc (_S_debug_messages): Add as comment the _Debug_msg_id
4244 entry associated to the array entry.
4246 2023-01-18 Jonathan Wakely <jwakely@redhat.com>
4248 * include/bits/fs_path.h (u8path): Add deprecated attribute.
4249 * testsuite/27_io/filesystem/path/construct/90281.cc: Add
4250 -Wno-deprecated-declarations for C++20 and later.
4251 * testsuite/27_io/filesystem/path/factory/u8path-char8_t.cc:
4253 * testsuite/27_io/filesystem/path/factory/u8path.cc: Likewise.
4254 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
4255 * testsuite/27_io/filesystem/path/factory/u8path-depr.cc: New test.
4257 2023-01-18 Jonathan Wakely <jwakely@redhat.com>
4259 * include/bits/random.h (random_device) [!_GLIBCXX_USE_DEV_RANDOM]:
4260 Always call _M_fini and _M_getentropy.
4262 2023-01-18 Gerald Pfeifer <gerald@pfeifer.com>
4264 * doc/xml/manual/policy_data_structures_biblio.xml: Adjust links
4265 to www.open-std.org to use https.
4266 (COM: Component Model Object Technologies): Rename from...
4267 (The Component Object Model): ...to.
4268 * doc/html/manual/policy_data_structures.html: Regenerate.
4270 2023-01-18 Dimitrij Mijoski <dmjpp@hotmail.com>
4272 * testsuite/22_locale/codecvt/codecvt_unicode.cc: Simplify.
4273 * testsuite/22_locale/codecvt/codecvt_unicode.h: Simplify.
4274 * testsuite/22_locale/codecvt/codecvt_unicode_wchar_t.cc: Simplify.
4276 2023-01-17 Jonathan Wakely <jwakely@redhat.com>
4278 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Check $target_os instead
4279 of $host. Fix check for file being present during native build.
4280 * configure: Regenerate.
4282 2023-01-17 Martin Liska <mliska@suse.cz>
4284 * src/libbacktrace/Makefile.in: Regenerate.
4286 2023-01-16 Jonathan Wakely <jwakely@redhat.com>
4288 * src/c++20/tzdb.cc (_GLIBCXX_USE_CXX11_ABI): Define to 1.
4290 2023-01-16 Jonathan Wakely <jwakely@redhat.com>
4293 * include/c_compatibility/stdatomic.h: Change copyright line to
4294 be consistent with other headers contributed under DCO terms.
4295 * include/std/expected: Add full stop to copyright line.
4296 * src/c++20/tzdb.cc: Likewise.
4298 2023-01-15 Gerald Pfeifer <gerald@pfeifer.com>
4300 * doc/xml/manual/status_cxx2014.xml: Switch www.open-std.org to
4302 * doc/xml/manual/status_cxx2017.xml: Ditto.
4303 * doc/xml/manual/status_cxx2020.xml: Ditto.
4304 * doc/xml/manual/status_cxx2023.xml: Ditto.
4305 * doc/html/manual/status.html: Regenerate.
4307 2023-01-15 Jonathan Wakely <jwakely@redhat.com>
4309 * testsuite/std/time/tzdb_list/1.cc: Remove dg-xfail-run-if
4310 and fail gracefully if defining the weak symbol doesn't work.
4312 2023-01-15 François Dumont <fdumont@gcc.gnu.org>
4315 * include/debug/safe_iterator.h (_Safe_iterator<>::operator++(int)): Extend deadlock
4316 fix to other iterator category.
4317 (_Safe_iterator<>::operator--(int)): Likewise.
4318 * include/debug/safe_local_iterator.h (_Safe_local_iterator<>::operator++(int)):
4320 * testsuite/util/debug/unordered_checks.h (invalid_local_iterator_pre_increment): New.
4321 (invalid_local_iterator_post_increment): New.
4322 * testsuite/23_containers/unordered_map/debug/invalid_local_iterator_post_increment_neg.cc:
4324 * testsuite/23_containers/unordered_map/debug/invalid_local_iterator_pre_increment_neg.cc:
4327 2023-01-15 Jonathan Wakely <jwakely@redhat.com>
4329 * testsuite/30_threads/jthread/jthread.cc: Remove -pthread from
4332 2023-01-15 Jonathan Wakely <jwakely@redhat.com>
4334 * testsuite/std/time/clock/utc/io.cc: Use ctype to widen char.
4336 2023-01-14 Björn Schäpers <bjoern@hazardy.de>
4338 * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Add check for
4339 windows.h. Add pecoff as FORMAT_FILE.
4340 * config.h.in: Regenerate.
4341 * configure: Regenerate.
4342 * src/libbacktrace/Makefile.am: Regenerate.
4343 * src/libbacktrace/Makefile.in: Add pecoff.c as FORMAT_FILE.
4345 2023-01-14 Björn Schäpers <bjoern@hazardy.de>
4347 * include/std/stacktrace (stacktrace_entry::_S_demangle): Use
4348 raw __name if __cxa_demangle could not demangle it.
4350 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
4353 * src/c++20/tzdb.cc (current_zone()) [_AIX]: Use TZ environment
4356 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
4358 * src/c++20/tzdb.cc (TZDB_DISABLED): Disable all code for
4360 * testsuite/std/time/tzdb/leap_seconds.cc: Require tzdb
4362 * testsuite/std/time/tzdb_list/1.cc: Likewise.
4364 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
4366 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Replace the
4367 --with-libstdcxx-zoneinfo-dir configure option with
4368 --with-libstdcxx-zoneinfo with yes/no/static choices as well as
4370 * config.h.in: Regenerate.
4371 * configure: Regenerate.
4372 * doc/xml/manual/configure.xml: Document configure option.
4373 * doc/html/manual/configure.html: Regenerate.
4374 * src/c++20/Makefile.am: Generate tzdata.zi.h header.
4375 * src/c++20/Makefile.in: Regenerate.
4376 * src/c++20/tzdb.cc (__gnu_cxx::zoneinfo_dir_override): Return a
4377 null pointer if no directory is configured.
4378 (zoneinfo_dir): Replace with ...
4379 (zoneinfo_file): New function.
4380 (tzdata_stream): New istream class.
4381 (remote_version, reload_tzdb): Use tzdata_stream.
4382 * testsuite/lib/libstdc++.exp (check_effective_target_tzdb):
4383 Check new _GLIBCXX_STATIC_TZDATA macro and ignore presence of
4384 tzdata.zi file in default location.
4385 * src/c++20/tzdata.zi: New file.
4387 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
4389 * include/bits/chrono_io.h (operator<<): Fix syntax errors.
4390 * testsuite/std/time/month_day/io.cc: New test.
4391 * testsuite/std/time/month_day_last/io.cc: New test.
4392 * testsuite/std/time/month_weekday/io.cc: New test.
4393 * testsuite/std/time/month_weekday_last/io.cc: New test.
4394 * testsuite/std/time/weekday_indexed/io.cc: New test.
4395 * testsuite/std/time/weekday_last/io.cc: New test.
4396 * testsuite/std/time/year_month/io.cc: New test.
4397 * testsuite/std/time/year_month_day_last/io.cc: New test.
4398 * testsuite/std/time/year_month_weekday/io.cc: New test.
4399 * testsuite/std/time/year_month_weekday_last/io.cc: New test.
4401 2023-01-14 François Dumont <fdumont@gcc.gnu.org>
4403 * include/std/format [_GLIBCXX_INLINE_VERSION](to_chars): Adapt __asm symbol
4405 * config/abi/pre/gnu-versioned-namespace.ver: Add to_chars/from_chars symbols
4408 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
4410 * include/bits/std_mutex.h: Include <errno.h>.
4412 2023-01-13 Arsen Arsenović <arsen@aarsen.me>
4414 * testsuite/20_util/to_chars/version.cc: Mark hosted-only.
4415 * testsuite/20_util/uses_allocator/lwg3677.cc: Ditto.
4416 * testsuite/20_util/weak_ptr/cons/self_move.cc: Ditto.
4417 * testsuite/std/ranges/adaptors/as_rvalue/1.cc: Replace usage of
4418 std::make_unique with a freestanding-compatible wrapper around
4420 * testsuite/21_strings/basic_string_view/operations/contains/char.cc:
4421 Don't test for presence of __cpp_lib_string_contains on !HOSTED.
4422 * testsuite/21_strings/basic_string_view/operations/contains/char/2.cc:
4424 * testsuite/std/ranges/version_c++23.cc: Don't test for presence
4425 of __cpp_lib_ranges in !HOSTED.
4427 2023-01-13 Arsen Arsenović <arsen@aarsen.me>
4429 * include/Makefile.am: Install bits/char_traits.h,
4431 * include/Makefile.in: Regenerate.
4432 * include/bits/char_traits.h: Gate hosted-only, wchar-only and
4433 mbstate-only bits behind appropriate #ifs.
4434 * include/std/string_view: Gate <iostream> functionality behind
4436 * include/std/version: Enable __cpp_lib_constexpr_string_view
4437 and __cpp_lib_starts_ends_with in !HOSTED.
4438 * include/std/ranges: Re-enable __is_basic_string_view on
4439 freestanding, include <string_view> directly.
4440 * include/precompiled/stdc++.h: Include <string_view> when
4442 * testsuite/20_util/function_objects/searchers.cc: Skip testing
4443 boyer_moore searchers on freestanding
4444 * testsuite/21_strings/basic_string_view/capacity/1.cc: Guard
4445 <string>-related tests behind __STDC_HOSTED__.
4446 * testsuite/21_strings/basic_string_view/cons/char/1.cc: Ditto.
4447 * testsuite/21_strings/basic_string_view/cons/char/2.cc: Remove
4448 unused <stdexcept> include.
4449 * testsuite/21_strings/basic_string_view/cons/char/3.cc: Remove
4450 unused <vector> include.
4451 * testsuite/21_strings/basic_string_view/cons/char/range.cc:
4452 Guard <string> related testing behind __STDC_HOSTED__.
4453 * testsuite/21_strings/basic_string_view/cons/wchar_t/1.cc:
4454 Guard <stdexcept> related tests behind __STDC_HOSTED__.
4455 * testsuite/21_strings/basic_string_view/element_access/char/1.cc:
4457 * testsuite/21_strings/basic_string_view/element_access/wchar_t/1.cc:
4458 Guard <stdexcept> tests behind __STDC_HOSTED__.
4459 * testsuite/21_strings/basic_string_view/operations/contains/char/2.cc:
4460 Enable test on freestanding, guard <stdexcept> bits behind
4462 * testsuite/21_strings/basic_string_view/operations/substr/char.cc:
4463 Guard <stdexcept> bits behind __STDC_HOSTED__.
4464 * testsuite/21_strings/basic_string_view/operations/substr/wchar_t.cc:
4467 2023-01-13 Dimitrij Mijoski <dmjpp@hotmail.com>
4470 * src/c++11/codecvt.cc (read_utf8_code_point): Correctly detect
4471 errors in incomplete multibyte sequences.
4472 (utf16_in): Remove surrogates parameter. Fix conditions for
4474 (utf16_out): Fix condition for returning partial.
4475 (ucs2_in): Do not pass surrogates argument to utf16_in.
4476 * testsuite/22_locale/codecvt/codecvt_unicode.cc: New test.
4477 * testsuite/22_locale/codecvt/codecvt_unicode.h: New header for
4479 * testsuite/22_locale/codecvt/codecvt_unicode_wchar_t.cc: New
4482 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
4485 * config/io/c_io_stdio.h (__c_lock): Define as a typedef for
4486 __GTHREAD_LEGACY_MUTEX_T if defined.
4488 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
4491 * config/os/gnu-linux/ldbl-extra.ver (GLIBCXX_LDBL_3.4.31):
4492 Export __try_use_facet specializations for facets in namespace
4494 * config/os/gnu-linux/ldbl-ieee128-extra.ver
4495 (GLIBCXX_IEEE128_3.4.31): Likewise for facets in namespace
4497 * testsuite/util/testsuite_abi.cc: Add to lists of known and
4500 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
4502 * include/bits/std_mutex.h: Remove <system_error> include.
4503 * include/std/condition_variable: Add <bits/error_constants.h>
4505 * include/std/mutex: Likewise.
4506 * include/std/shared_mutex: Likewise.
4508 2023-01-12 Jonathan Wakely <jwakely@redhat.com>
4511 * include/experimental/memory_resource
4512 (_GLIBCXX_MAX_ALIGN_MATCHES_MALLOC): Define.
4513 (do_allocate, do_deallocate): Check it.
4514 * testsuite/experimental/memory_resource/new_delete_resource.cc:
4515 Relax expected behaviour for 64-bit hppa-hp-hpux11.11.
4517 2023-01-12 Jonathan Wakely <jwakely@redhat.com>
4519 * doc/xml/manual/abi.xml: Add latest library versions.
4520 * doc/html/manual/abi.html: Regenerate.
4522 2023-01-12 François Dumont <fdumont@gcc.gnu.org>
4525 * include/bits/stl_tree.h (_Rb_tree<>::_M_insert_range_equal): Remove
4526 unused _Alloc_node instance.
4528 2023-01-12 Jonathan Wakely <jwakely@redhat.com>
4530 * include/bits/atomic_wait.h (__detail::__platform_wait_t):
4531 Define as unsigned long if always lock-free, and unsigned int
4534 2023-01-10 Jonathan Wakely <jwakely@redhat.com>
4536 * src/c++20/tzdb.cc (tzdb_list::_S_init_tzdb): Use __try and
4537 __catch macros for exception handling.
4539 2023-01-10 Jonathan Wakely <jwakely@redhat.com>
4542 * include/bits/stl_algobase.h (__lg): Replace six overloads with
4543 a single function template for all integer types.
4544 * include/bits/stl_algo.h (__merge_adaptive_resize): Cast
4545 arithmetic results back to _Distance.
4547 2023-01-10 Jonathan Wakely <jwakely@redhat.com>
4550 * include/std/span (span::span()): Un-simplify constraint to
4551 work for size_t of lesser rank than int.
4553 2023-01-07 LIU Hao <lh_mouse@126.com>
4555 PR middle-end/108300
4556 * src/c++11/system_error.cc: Define `WIN32_LEAN_AND_MEAN` before
4558 * src/c++11/thread.cc: Likewise.
4559 * src/c++17/fs_ops.cc: Likewise.
4560 * src/filesystem/ops.cc: Likewise.
4562 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4565 * src/c++20/tzdb.cc (zoneinfo_dir): Add diagnostic pragma.
4567 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4570 * src/c++20/tzdb.cc (time_zone::_Impl::RulesCounter): New class
4571 template and partial specialization for synchronizing access to
4572 time_zone::_Impl::infos.
4573 (time_zone::_M_get_sys_info, reload_tzdb): Adjust uses of
4576 2023-01-06 Patrick Palka <ppalka@redhat.com>
4579 * include/bits/utility.h (__cpp_lib_ranges_zip): Define for C++23.
4580 * include/std/ranges (__cpp_lib_ranges_zip): Likewise.
4581 (__cpp_lib_ranges_chunk): Likewise.
4582 (__cpp_lib_ranges_slide): Likewise.
4583 (__cpp_lib_ranges_chunk_by): Likewise.
4584 (__cpp_lib_ranges_join_with): Likewise.
4585 (__cpp_lib_ranges_repeat): Likewise.
4586 (__cpp_lib_ranges_stride): Likewise.
4587 (__cpp_lib_ranges_cartesian_product): Likewise.
4588 (__cpp_lib_ranges_as_rvalue): Likewise.
4589 * include/std/version: Ditto.
4590 * testsuite/20_util/tuple/p2321r2.cc: Verify value of
4592 * testsuite/std/ranges/adaptors/as_rvalue/1.cc: Likewise.
4593 * testsuite/std/ranges/adaptors/chunk/1.cc: Likewise.
4594 * testsuite/std/ranges/adaptors/chunk_by/1.cc: Likewise.
4595 * testsuite/std/ranges/adaptors/join_with/1.cc: Likewise.
4596 * testsuite/std/ranges/adaptors/slide/1.cc: Likewise.
4597 * testsuite/std/ranges/adaptors/stride/1.cc: Likewise.
4598 * testsuite/std/ranges/cartesian_product/1.cc: Likewise.
4599 * testsuite/std/ranges/repeat/1.cc: Likewise.
4600 * testsuite/std/ranges/zip/1.cc: Likewise.
4601 * testsuite/std/ranges/version_c++23.cc: New test.
4603 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4606 * include/std/bitset (operator>>): Use alloca in the right
4607 scope, not in a constructor.
4608 * testsuite/20_util/bitset/io/input.cc: Check case from PR.
4610 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4613 * include/std/format (basic_format_arg) [!__cpp_lib_to_chars]:
4614 Disable visiting floating-point types.
4616 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4619 * include/debug/safe_iterator.h (_Safe_iterator::operator++(int))
4620 (_Safe_iterator::operator--(int)): Do not hold lock around
4621 construction of return value.
4623 2023-01-05 John David Anglin <danglin@gcc.gnu.org>
4625 * config/cpu/hppa/atomicity.h (_PA_LDCW_INSN): Define.
4626 (__exchange_and_add): Use _PA_LDCW_INSN. Use ordered store for
4627 lock release. Revise loop.
4628 (__atomic_add): Likewise.
4630 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4633 * python/libstdcxx/v6/printers.py (_utc_timezone): New global
4635 (StdChronoTimePointPrinter::to_string): Use it.
4637 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4640 * include/std/functional (_Bind_front): Add no_unique_address
4641 attribute to data members.
4642 * testsuite/20_util/function_objects/bind_front/107784.cc: Check
4643 size of call wrappers with empty types for targets and bound
4646 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4649 * src/c++20/tzdb.cc (chrono::current_zone()): Check for zone
4650 using only last component of the name.
4652 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4656 * config/abi/pre/gnu.ver: Move zoneinfo_dir_override export to
4657 the latest symbol version.
4658 * src/c++20/tzdb.cc (USE_ATOMIC_SHARED_PTR): Define to 0 if
4659 atomic<_Node*> is not always lock free.
4660 (USE_ATOMIC_LIST_HEAD): New macro.
4661 [__hpux__] (__gnu_cxx::zoneinfo_dir_override()): Provide
4662 definition of weak symbol.
4663 (tzdb_list::_Node::_S_head): Rename to _S_head_cache.
4664 (tzdb_list::_Node::_S_list_head): New function for accessing
4665 list head efficiently.
4666 (tzdb_list::_Node::_S_cache_list_head): New function for
4667 updating _S_list_head.
4669 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4672 * include/std/chrono (hh_mm_ss): Do not use chrono::abs if
4673 duration rep is unsigned.
4674 * testsuite/std/time/hh_mm_ss/1.cc: Check unsigned rep.
4676 2023-01-04 Iain Sandoe <iain@sandoe.co.uk>
4679 * config/abi/pre/gnu.ver (GLIBCXX_3.4):
4680 Add __gnu_cxx::zoneinfo_dir_override().
4682 2023-01-04 Jonathan Wakely <jwakely@redhat.com>
4685 * include/std/array (__array_traits<T, 0>::operator T*()): Add
4687 * testsuite/23_containers/array/element_access/constexpr_c++17.cc: Check
4688 std::array<T, 0>::data().
4691 Copyright (C) 2023 Free Software Foundation, Inc.
4693 Copying and distribution of this file, with or without modification,
4694 are permitted in any medium without royalty provided the copyright
4695 notice and this notice are preserved.