1 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
3 * testsuite/25_algorithms/copy/debug/constexpr_neg.cc: Adjust
5 * testsuite/25_algorithms/equal/debug/constexpr_neg.cc:
8 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
10 * testsuite/27_io/filesystem/iterators/91067.cc: Add
11 -Wno-self-move to options.
12 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
14 2023-09-01 Vladimir Palevich <palevichva@gmail.com>
17 * include/bits/vector.tcc (_M_realloc_insert): End guard
18 lifetime just before assignment to class members.
19 (_M_default_append): Likewise.
21 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
23 * src/c++17/fs_ops.cc (fs::absolute) [FILESYSTEM_IS_WINDOWS]:
24 Use __resize_and_overwrite to fill buffer.
25 (fs::read_symlink) [HAVE_READLINK]: Likewise.
26 * src/filesystem/ops-common.h (get_temp_directory_from_env)
27 [FILESYSTEM_IS_WINDOWS]: Likewise.
29 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
32 * include/bits/atomic_base.h (__atomic_impl::__compare_exchange):
33 Add _AtomicRef non-type template parameter and use a loop if it
35 (__atomic_impl::compare_exchange_weak): Add _AtomicRef NTTP.
36 (__atomic_impl::compare_exchange_strong): Likewise.
37 (atomic_ref::compare_exchange_weak): Use true for NTTP.
38 (atomic_ref::compare_exchange_strong): Use true for NTTP.
39 * testsuite/29_atomics/atomic_ref/compare_exchange_padding.cc:
40 Fix test to not rely on atomic_ref::load() to return an object
41 with padding preserved.
43 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
45 * testsuite/27_io/filesystem/path/108636.cc: Add dg-require for
48 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
50 * src/c++20/tzdb.cc (tzdb::current_zone): Check configure macros
51 for POSIX readlink before using filesystem::read_symlink.
53 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
55 * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Default to yes.
56 * configure: Regenerate.
58 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
60 * include/bits/chrono_io.h (_Parser::operator()): Set failbit
61 early if invalid values are read when _M_need & _TimeOfDay is
63 * testsuite/std/time/parse.cc: Check that "25:59" cannot be
66 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
69 * include/bits/chrono_io.h (_Parser::Operator()): Check %C
70 values are in range of year::min() to year::max().
71 * testsuite/std/time/parse.cc: Check out of range centuries.
73 2023-09-01 Jonathan Wakely <jwakely@redhat.com>
75 * include/std/format (__format::_Sink::_M_reset): Change second
76 argument from iterator to offset.
78 2023-08-24 Paul Dreik <gccpatches@pauldreik.se>
81 * testsuite/std/format/string.cc: Check wide character format
82 strings with out-of-range widths.
84 2023-08-24 Paul Dreik <gccpatches@pauldreik.se>
87 * include/std/format (__format::__parse_integer): Check for
90 2023-08-24 Jonathan Wakely <jwakely@redhat.com>
92 * testsuite/std/format/functions/format_to.cc: Avoid warning for
95 2023-08-24 Jonathan Wakely <jwakely@redhat.com>
97 * include/std/atomic: Add comment to #ifdef and fix indentation.
98 * include/std/ostream: Check __glibcxx_syncbuf instead of
99 __cplusplus and _GLIBCXX_HOSTED.
100 * include/std/thread: Add comment to #ifdef.
102 2023-08-24 Jonathan Wakely <jwakely@redhat.com>
104 * include/bits/version.def (__cpp_lib_ratio): Define.
105 * include/bits/version.h: Regenerate.
106 * include/std/ratio (quecto, ronto, yocto, zepto)
107 (zetta, yotta, ronna, quetta): Define.
108 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Adjust
109 dg-error line numbers.
111 2023-08-24 Jonathan Wakely <jwakely@redhat.com>
113 * python/libstdcxx/v6/printers.py (StdLocalePrinter): New
115 * testsuite/libstdc++-prettyprinters/locale.cc: New test.
117 2023-08-24 Jonathan Wakely <jwakely@redhat.com>
120 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Do
121 not show template arguments.
122 (StdVariantPrinter): Likewise.
123 * testsuite/libstdc++-prettyprinters/compat.cc: Adjust expected
125 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
126 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
128 2023-08-23 François Dumont <fdumont@gcc.gnu.org>
130 * testsuite/util/replacement_memory_operators.h
131 (counter::scope): New, capture and reset counter count at construction and
132 restore it at destruction.
133 (counter::check_new): Add scope instantiation.
134 * testsuite/23_containers/unordered_map/96088.cc (main):
135 Add counter::scope instantiation.
136 * testsuite/23_containers/unordered_multimap/96088.cc (main): Likewise.
137 * testsuite/23_containers/unordered_multiset/96088.cc (main): Likewise.
138 * testsuite/23_containers/unordered_set/96088.cc (main): Likewise.
139 * testsuite/ext/malloc_allocator/deallocate_local.cc (main): Likewise.
140 * testsuite/ext/new_allocator/deallocate_local.cc (main): Likewise.
141 * testsuite/ext/throw_allocator/deallocate_local.cc (main): Likewise.
142 * testsuite/ext/pool_allocator/allocate_chunk.cc (started): New global.
143 (operator new(size_t)): Check started.
144 (main): Set/Unset started.
145 * testsuite/17_intro/no_library_allocation.cc: New test case.
147 2023-08-21 Jonathan Wakely <jwakely@redhat.com>
149 * testsuite/18_support/nested_exception/rethrow_if_nested-term.cc:
150 Call std::set_terminate before throwing the nested exception.
152 2023-08-18 Jonathan Wakely <jwakely@redhat.com>
155 * include/std/format (formatter): Only define specializations
156 for 16-bit floating-point types for C++23.
157 * include/std/limits (numeric_limits): Likewise.
159 2023-08-18 Jonathan Wakely <jwakely@redhat.com>
161 * include/bits/chrono_io.h (operator<<): Make uses of wide
162 strings with streams and std::format type-dependent on _CharT.
163 * include/std/format [!_GLIBCXX_USE_WCHAR_T] Do not use
164 __to_wstring_numeric.
166 2023-08-18 Jonathan Wakely <jwakely@redhat.com>
168 * include/bits/chrono_io.h (operator<<): Use __format_context.
169 * include/std/format (__format::__format_context): New alias
171 [!_GLIBCXX_USE_WCHAR_T] (wformat_args, make_wformat_arg):
174 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
177 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
179 * config/locale/generic/c_locale.cc (__convert_to_v): Reuse
180 double overload for long double if possible.
182 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
184 * src/c++20/tzdb.cc (tzdata_file, leaps_file): Change type to
187 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
189 * config/locale/generic/c_locale.cc (__convert_to_v): Reuse
190 double overload for long double if possible.
192 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
194 * src/c++98/localename.cc (is_C_locale): New function.
195 (locale::locale(const char*)): Use is_C_locale.
197 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
200 * include/bits/basic_string.h (basic_string::assign(Iter, Iter)):
201 Dispatch to _M_replace or move assignment from a temporary,
202 based on the iterator type.
204 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
206 * include/std/format (formatter): Add partial specializations
207 for extended floating-point types.
208 * testsuite/std/format/functions/format.cc: Move test_float128()
210 * testsuite/std/format/formatter/ext_float.cc: New test.
212 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
214 * include/bits/c++config (__gnu_cxx::__bfloat16_t): Define
215 whenever __BFLT16_DIG__ is defined, not only for C++23.
216 * include/std/limits (numeric_limits<bfloat16_t>): Likewise.
217 (numeric_limits<_Float16>, numeric_limits<_Float32>)
218 (numeric_limits<_Float64>): Likewise for other extended
219 floating-point types.
221 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
223 * include/experimental/internet (address_v4::to_string): Remove
224 unused parameter name.
226 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
228 * libsupc++/compare (__cmp_cat::__unseq): Make ctor consteval.
229 * testsuite/18_support/comparisons/categories/zero_neg.cc: Prune
230 excess errors caused by invalid consteval calls.
232 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
234 * include/bits/chrono_io.h (__units_suffix_misc): Remove.
235 (__units_suffix): Return a known suffix as string view, do not
236 write unknown suffixes to a buffer.
237 (__fmt_units_suffix): New function that formats the suffix using
239 (operator<<, __chrono_formatter::_M_q): Use __fmt_units_suffix.
240 (__chrono_formatter::_M_Z): Correct lifetime of wstring.
242 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
244 * include/std/format [_GLIBCXX_USE_WCHAR_T]: Guard all wide
245 string formatters with this macro.
246 (__formatter_int::_M_format_int, __formatter_fp::format)
247 (formatter<const void*, C>::format): Use __to_wstring_numeric
248 instead of std::ctype::widen.
249 (__formatter_fp::_M_localize): Use hardcoded wchar_t values
250 instead of std::ctype::widen.
251 * testsuite/std/format/functions/format.cc: Add more checks for
252 wstring formatting of arithmetic types.
254 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
256 * include/bits/basic_string.h (to_string(floating-point-type)):
257 Implement using std::to_chars for C++26.
258 * include/bits/version.def (__cpp_lib_to_string): Define.
259 * include/bits/version.h: Regenerate.
260 * testsuite/21_strings/basic_string/numeric_conversions/char/dr1261.cc:
261 Adjust expected result in C++26 mode.
262 * testsuite/21_strings/basic_string/numeric_conversions/char/to_string.cc:
264 * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/dr1261.cc:
266 * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/to_wstring.cc:
268 * testsuite/21_strings/basic_string/numeric_conversions/char/to_string_float.cc:
270 * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/to_wstring_float.cc:
272 * testsuite/21_strings/basic_string/numeric_conversions/version.cc:
275 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
277 * include/bits/basic_string.h (to_string(integral-type)): Use
278 resize_and_overwrite when available.
279 (__to_wstring_numeric): New helper functions.
280 (to_wstring): Use std::to_string then __to_wstring_numeric.
281 * testsuite/21_strings/basic_string/numeric_conversions/char/to_string_int.cc:
282 Remove check for no excess capacity.
284 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
286 * include/bits/basic_string.h (__resize_and_overwrite): New
288 * include/bits/basic_string.tcc (__resize_and_overwrite): New
290 (resize_and_overwrite): Simplify by using reserve instead of
291 growing the string manually. Adjust for C++11 compatibility.
292 * include/bits/cow_string.h (resize_and_overwrite): New
294 (__resize_and_overwrite): New function.
295 * include/bits/version.def (__cpp_lib_string_resize_and_overwrite):
296 Do not depend on cxx11abi.
297 * include/bits/version.h: Regenerate.
298 * include/std/format (__formatter_fp::_S_resize_and_overwrite):
300 (__formatter_fp::format, __formatter_fp::_M_localize): Use
301 __resize_and_overwrite instead of _S_resize_and_overwrite.
302 * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
303 Adjust for C++11 compatibility when included by ...
304 * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite_ext.cc:
307 2023-08-17 Patrick Palka <ppalka@redhat.com>
309 * include/bits/regex.h (regex_iterator::iterator_concept):
310 Define for C++20 as per P2770R0.
311 (regex_token_iterator::iterator_concept): Likewise.
312 * include/std/ranges (__detail::__as_lvalue): Define.
313 (join_view::_Iterator): Befriend join_view.
314 (join_view::_Iterator::_M_satisfy): Use _M_get_outer
316 (join_view::_Iterator::_M_get_outer): Define.
317 (join_view::_Iterator::_Iterator): Split constructor taking
318 _Parent argument into two as per P2770R0. Remove constraint on
320 (join_view::_Iterator::_M_outer): Make this data member present
321 only when the underlying range is forward.
322 (join_view::_Iterator::operator++): Use _M_get_outer instead of
324 (join_view::_Iterator::operator--): Use __as_lvalue helper.
325 (join_view::_Iterator::operator==): Adjust constraints as per
327 (join_view::_Sentinel::__equal): Use _M_get_outer instead of
329 (join_view::_M_outer): New data member when the underlying range
331 (join_view::begin): Adjust definition as per P2770R0.
332 (join_view::end): Likewise.
333 (join_with_view::_M_outer_it): New data member when the
334 underlying range is non-forward.
335 (join_with_view::begin): Adjust definition as per P2770R0.
336 (join_with_view::end): Likewise.
337 (join_with_view::_Iterator::_M_outer_it): Make this data member
338 present only when the underlying range is forward.
339 (join_with_view::_Iterator::_M_get_outer): Define.
340 (join_with_view::_Iterator::_Iterator): Split constructor
341 taking _Parent argument into two as per P2770R0. Remove
342 constraint on default constructor.
343 (join_with_view::_Iterator::_M_update_inner): Adjust definition
345 (join_with_view::_Iterator::_M_get_inner): Likewise.
346 (join_with_view::_Iterator::_M_satisfy): Adjust calls to
347 _M_get_inner. Use _M_get_outer instead of _M_outer_it.
348 (join_with_view::_Iterator::operator==): Adjust constraints
350 (join_with_view::_Sentinel::operator==): Use _M_get_outer
351 instead of _M_outer_it.
352 * testsuite/std/ranges/adaptors/p2770r0.cc: New test.
354 2023-08-17 Patrick Palka <ppalka@redhat.com>
357 * include/std/ranges (__adaptor::_RangeAdaptorClosure):
358 Convert into a CRTP class template. Move hidden operator|
359 friends into namespace scope and adjust their constraints.
360 (__closure::__is_range_adaptor_closure_fn): Define.
361 (__closure::__is_range_adaptor_closure): Define.
362 (__adaptor::_Partial): Adjust use of _RangeAdaptorClosure.
363 (__adaptor::_Pipe): Likewise.
364 (views::_All): Likewise.
365 (views::_Join): Likewise.
366 (views::_Common): Likewise.
367 (views::_Reverse): Likewise.
368 (views::_Elements): Likewise.
369 (views::_Adjacent): Likewise.
370 (views::_AsRvalue): Likewise.
371 (views::_Enumerate): Likewise.
372 (views::_AsConst): Likewise.
373 * testsuite/std/ranges/adaptors/all.cc: Reinstate assertion
374 expecting that adding empty range adaptor closure objects to a
375 pipeline doesn't increase the size of a pipeline.
377 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
379 * include/std/format (__format::_Pres_type): Add _Pres_F.
380 (__formatter_fp::parse): Use _Pres_F for 'F'.
381 (__formatter_fp::format): Set __upper for _Pres_F.
382 * testsuite/std/format/functions/format.cc: Check formatting of
383 infinity and NaN for each presentation type.
385 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
387 * include/Makefile.in: Regenerate.
389 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
391 * testsuite/24_iterators/move_iterator/p2520r0.cc: Add no_pch.
392 * testsuite/std/format/functions/format.cc: Likewise.
393 * testsuite/std/format/functions/format_c++23.cc: Likewise.
395 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
397 * testsuite/lib/dg-options.exp (add_options_for_no_pch): Remove
398 any "-include bits/stdc++.h" from options and add the macro to
399 the existing options instead of replacing them.
401 2023-08-16 Jonathan Wakely <jwakely@redhat.com>
403 * include/bits/basic_string.tcc (resize_and_overwrite): Invoke
404 the callable with the same size as resize_and_overwrite was
406 * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
407 Check with small values for the new size.
408 * testsuite/std/format/functions/format.cc: Check wide
409 formatting of double values that produce small strings.
410 * testsuite/std/format/functions/format_c++23.cc: New test.
412 2023-08-16 Jonathan Wakely <jwakely@redhat.com>
414 * include/bits/version.def (stds): Update value for C++23.
415 * include/bits/version.h: Regenerate.
417 2023-08-16 Jonathan Wakely <jwakely@redhat.com>
419 * testsuite/25_algorithms/pstl/alg_sorting/set_difference.cc:
420 Fix name of upstream file this was derived from.
421 * testsuite/25_algorithms/pstl/alg_sorting/set_intersection.cc:
423 * testsuite/25_algorithms/pstl/alg_sorting/set_symmetric_difference.cc:
425 * testsuite/25_algorithms/pstl/alg_sorting/set_union.cc:
427 * testsuite/25_algorithms/pstl/alg_sorting/set_util.h: Likewise.
429 2023-08-16 Arsen Arsenović <arsen@aarsen.me>
431 * libsupc++/typeinfo: Switch to bits/version.h for
432 __cpp_lib_constexpr_typeinfo.
433 * libsupc++/new: Switch to bits/version.h for
434 __cpp_lib_{launder,hardware_interference_size,destroying_delete}.
435 (launder): Guard behind __cpp_lib_launder.
436 (hardware_destructive_interference_size)
437 (hardware_constructive_interference_size): Guard behind
438 __cpp_lib_hardware_interference_size.
439 * libsupc++/exception: Switch to bits/version.h for
440 __cpp_lib_uncaught_exceptions.
441 (uncaught_exceptions): Guard behind __cpp_lib_uncaught_exceptions.
442 * libsupc++/compare: Switch to bits/version.h for
443 __cpp_lib_three_way_comparison.
444 (three_way_comparable, three_way_comparable_with)
445 (compare_three_way, weak_order, strong_order, partial_order):
446 Guard behind __cpp_lib_three_way_comparison >= 201907L.
447 * include/std/chrono: Drop __cpp_lib_chrono definition.
448 * include/std/vector: Switch to bits/version.h for
450 (erase, erase_if): Guard behind __cpp_lib_erase_if.
451 * include/std/variant: Switch to bits/version.h for
452 __cpp_lib_variant. Guard whole header behind that FTM.
453 * include/std/utility: Switch to bits/version.h for
454 __cpp_lib_{exchange_function,constexpr_algorithms,as_const},
455 __cpp_lib_{integer_comparison_functions,to_underlying}, and
456 __cpp_lib_unreachable.
457 (exchange): Guard behind __cpp_lib_exchange_function.
458 (cmp_equal, cmp_not_equal, cmp_less, cmp_greater, cmp_less_equal)
459 (cmp_greater_equal, in_range): Guard behind
460 __cpp_lib_integer_comparison_functions.
461 (to_underlying): Guard behind __cpp_lib_to_underlying.
462 (unreachable): Guard behind __cpp_lib_unreachable.
463 * include/std/type_traits: Switch to bits/version.h for
464 __cpp_lib_is_{null_pointer,final,nothrow_convertible,aggregate},
465 __cpp_lib_is_{constant_evaluated,invocable,layout_compatible},
466 __cpp_lib_is_{pointer_interconvertible,scoped_enum,swappable},
467 __cpp_lib_{logical_traits,reference_from_temporary,remove_cvref},
468 __cpp_lib_{result_of_sfinae,transformation_trait_aliases},
469 __cpp_lib_{type_identity,type_trait_variable_templates},
470 __cpp_lib_{unwrap_ref,void_t,integral_constant_callable},
471 __cpp_lib_{bool_constant,bounded_array_traits}, and
472 __cpp_lib_has_unique_object_representations.
473 (integral_constant::operator()): Guard behind
474 __cpp_lib_integral_constant_callable.
475 (bool_constant): Guard behind __cpp_lib_bool_constant.
476 (conjunction, disjunction, negation, conjunction_v, disjunction_v)
477 (negation_v): Guard behind __cpp_lib_logical_traits.
478 (is_null_pointer): Guard behind __cpp_lib_is_null_pointer.
479 (is_final): Guard behind __cpp_lib_is_final.
480 (is_nothrow_convertible, is_nothrow_convertible_v): Guard behind
481 __cpp_lib_is_nothrow_convertible.
482 (remove_const_t, remove_volatile_t, remove_cv_t)
483 (add_const_t, add_volatile_t, add_cv_t): Guard behind
484 __cpp_lib_transformation_trait_aliases.
485 (void_t): Guard behind __cpp_lib_void_t.
486 (is_swappable_with_v, is_nothrow_swappable_with_v)
487 (is_swappable_with, is_nothrow_swappable_with): Guard behind
488 __cpp_lib_is_swappable.
489 (is_nothrow_invocable_r, is_invocable_r, invoke_result)
490 (is_invocable, invoke_result_t): Guard behind
491 __cpp_lib_is_invocable.
492 (alignment_of_v, extent_v, has_virtual_destructor_v)
493 (is_abstract_v, is_arithmetic_v, is_array_v)
494 (is_assignable_v, is_base_of_v, is_class_v, is_compound_v)
495 (is_constructible_v, is_const_v, is_convertible_v)
496 (is_copy_assignable_v, is_copy_constructible_v)
497 (is_default_constructible_v, is_destructible_v)
498 (is_empty_v, is_enum_v, is_final_v, is_floating_point_v)
499 (is_function_v, is_fundamental_v, is_integral_v)
500 (is_invocable_r_v, is_invocable_v, is_literal_type_v)
501 (is_lvalue_reference_v, is_member_function_pointer_v)
502 (is_member_object_pointer_v, is_member_pointer_v)
503 (is_move_assignable_v, is_move_constructible_v)
504 (is_nothrow_assignable_v, is_nothrow_constructible_v)
505 (is_nothrow_copy_assignable_v, is_nothrow_copy_constructible_v)
506 (is_nothrow_default_constructible_v, is_nothrow_destructible_v)
507 (is_nothrow_invocable_r_v, is_nothrow_invocable_v)
508 (is_nothrow_move_assignable_v, is_nothrow_move_constructible_v)
509 (is_null_pointer_v, is_object_v, is_pod_v, is_pointer_v)
510 (is_polymorphic_v, is_reference_v, is_rvalue_reference_v)
511 (is_same_v, is_scalar_v, is_signed_v, is_standard_layout_v)
512 (is_trivially_assignable_v, is_trivially_constructible_v)
513 (is_trivially_copyable_v, is_trivially_copy_assignable_v)
514 (is_trivially_copy_constructible_v)
515 (is_trivially_default_constructible_v)
516 (is_trivially_destructible_v, is_trivially_move_assignable_v)
517 (is_trivially_move_constructible_v, is_trivial_v, is_union_v)
518 (is_unsigned_v, is_void_v, is_volatile_v, rank_v, as variadic):
519 Guard behind __cpp_lib_type_trait_variable_templates.
520 (has_unique_object_representations)
521 (has_unique_object_representations_v): Guard behind
522 __cpp_lib_has_unique_object_representation.
523 (is_aggregate): Guard behind __cpp_lib_is_aggregate.
524 (remove_cvref, remove_cvref_t): Guard behind
525 __cpp_lib_remove_cvref.
526 (type_identity, type_identity_t): Guard behind
527 __cpp_lib_type_identity.
528 (unwrap_reference, unwrap_reference_t, unwrap_ref_decay)
529 (unwrap_ref_decay_t): Guard behind __cpp_lib_unwrap_ref.
530 (is_bounded_array_v, is_unbounded_array_v, is_bounded_array)
531 (is_unbounded_array): Guard behind __cpp_lib_bounded_array_traits.
532 (is_scoped_enum, is_scoped_enum_v): Guard behind
533 __cpp_lib_is_scoped_enum.
534 (reference_constructs_from_temporary)
535 (reference_constructs_from_temporary_v): Guard behind
536 __cpp_lib_reference_from_temporary.
537 * include/std/tuple: Switch to bits/version.h for
538 __cpp_lib_{constexpr_tuple,tuple_by_type,apply_make_from_tuple}.
539 (get<T>): Guard behind __cpp_lib_tuple_by_type.
540 (apply): Guard behind __cpp_lib_apply.
541 (make_from_tuple): Guard behind __cpp_lib_make_from_tuple.
542 * include/std/syncstream: Switch to bits/version.h for
543 __cpp_lib_syncbuf. Guard header behind that FTM.
544 * include/std/string_view: Switch to bits/version.h for
545 __cpp_lib_{string_{view,contains},constexpr_string_view} and
546 __cpp_lib_starts_ends_with.
547 (basic_string_view::starts_with, basic_string_view::ends_with):
548 Guard behind __cpp_lib_starts_ends_with.
549 [C++23 && _GLIBCXX_HOSTED && !defined(__cpp_lib_string_contains)]:
550 Assert as impossible ithout a bug in C++23.
551 * include/std/string: Switch to bits/version.h for
553 (erase, erase_if): Guard behind __cpp_lib_erase_if.
554 * include/std/thread: Switch to bits/version.h for
556 * include/std/stop_token: Switch to bits/version.h for
558 * include/std/spanstream: Switch to bits/version.h for
559 __cpp_lib_spanstream. Guard header behind that FTM.
560 * include/std/span: Switch to bits/version.h for __cpp_lib_span.
561 Guard header behind that FTM.
562 * include/std/source_location: Switch to bits/version.h for
563 __cpp_lib_source_location. Guard header with that FTM.
564 * include/std/shared_mutex: Switch to bits/version.h for
565 __cpp_lib_shared{,_timed}_mutex.
566 (shared_mutex): Guard behind __cpp_lib_shared_mutex.
567 * include/std/semaphore: Switch to bits/version.h for
568 __cpp_lib_semaphore. Guard header behind that FTM.
569 * include/std/ranges: Switch to bits/version.h for
570 __cpp_lib_ranges_{zip,chunk{,_by},slide,join_with},
571 __cpp_lib_ranges_{repeat_stride,cartesian_product,as_rvalue},
572 and __cpp_lib_ranges_{as_const,enumerate,iota}.
573 (ranges::zip et al, ranges::chunk et al, ranges::slide et al)
574 (ranges::chunk_by et al, ranges::join_with et al)
575 (ranges::stride et al, ranges::cartesian_product et al)
576 (ranges::as_rvalue et al, ranges::as_const et al)
577 (ranges::enumerate et al): Guard behind appropriate FTM.
578 * include/std/optional: Switch to bits/version.h for
579 __cpp_lib_optional. Guard header behind that FTM.
580 * include/std/numeric: Switch to bits/version.h for
581 __cpp_lib_{gcd{,_lcm},lcm,constexpr_numeric,interpolate}
582 and __cpp_lib_parallel_algorithm.
583 (gcd, lcm): Guard behind __cpp_lib_gcd_lcm.
584 (midpoint): Guard behind __cpp_lib_interpolate.
585 * include/std/numbers: Switch to bits/version.h for
586 __cpp_lib_math_constants. Guard header behind that FTM.
587 * include/std/mutex: Switch to bits/version.h for
588 __cpp_lib_scoped_lock.
589 (scoped_Lock): Guard behind __cpp_lib_scoped_lock.
590 * include/std/memory_resource: Switch to bits/version.h for
591 __cpp_lib_{polymorphic_allocator,memory_resource}.
592 (synchronized_pool_resource): Guard behind
593 __cpp_lib_memory_resource >= 201603L.
594 (polymorphic_allocator): Guard behind
595 __cpp_lib_polymorphic_allocator.
596 * include/std/memory: Switch to bits/version.h for
597 __cpp_lib_{parallel_algorithm,atomic_value_initialization}.
598 * include/std/list: Switch to bits/version.h for
600 (erase, erase_if): Guard behind __cpp_lib_erase_if.
601 * include/std/latch: Switch to bits/version.h for __cpp_lib_latch.
602 Guard header behind that FTM.
603 * include/std/iterator: Switch to bits/version.h for
604 __cpp_lib_null_iterators.
605 * include/std/iomanip: Switch to bits/version.h for
606 __cpp_lib_quoted_string_io.
607 (quoted): Guard behind __cpp_lib_quoted_string_io.
608 * include/std/functional: Switch to bits/version.h for
609 __cpp_lib_{invoke{,_r},constexpr_functional,bind_front} and
610 __cpp_lib_{not_fn,booyer_moore_searcher}.
611 (invoke): Guard behind __cpp_lib_invoke.
612 (invoke_r): Guard behind __cpp_lib_invoke_r.
613 (bind_front): Guard behind __cpp_lib_bind_front.
614 (not_fn): Guard behind __cpp_lib_not_fn.
615 (boyer_moore_searcher, boyer_moore_horspool_searcher): Guard
616 definition behind __cpp_lib_boyer_moore_searcher.
617 * include/std/forward_list: Switch to bits/version.h for
619 (erase, erase_if): Guard behind __cpp_lib_erase_if.
620 * include/std/format: Switch to bits/version.h for
621 __cpp_lib_format. Guard header behind that FTM.
622 * include/std/filesystem: Switch to bits/version.h for
623 __cpp_lib_filesystem. Guard header behind that FTM.
624 * include/std/expected: Switch to bits/version.h for
625 __cpp_lib_expected. Guard header behind it.
626 * include/std/execution: Switch to bits/version.h for
627 __cpp_lib_{execution,parallel_algorithm}. Guard header behind
629 * include/std/deque: Switch to bits/version.h for
631 (erase, erase_if): Guard behind __cpp_lib_erase_if.
632 * include/std/coroutine: Switch to bits/version.h for
633 __cpp_lib_coroutine. Guard header behind that FTM.
634 * include/std/concepts: Switch to bits/version.h for
635 __cpp_lib_concepts. Guard header behind that FTM.
636 * include/std/complex: Switch to bits/version.h for
637 __cpp_lib_{complex_udls,constexpr_complex}.
638 (operator""if, operator""i, operator""il): Guard behind
639 __cpp_lib_complex_udls.
640 * include/std/charconv: Swtich to bits/version.h for
641 __cpp_lib_{to_chars,constexpr_charconv}.
642 * include/std/bitset: Switch to bits/version.h for
643 __cpp_lib_constexpr_bitset.
644 * include/std/bit: Switch to bits/version.h for
645 __cpp_lib_{bit_cast,byteswap,bitops,int_pow2,endian}.
646 (bit_cast): Guard behind __cpp_lib_bit_cast.
647 (byteswap): Guard behind __cpp_lib_byteswap.
648 (rotl, rotr, countl_zero, countl_one, countr_zero, countr_one)
649 (popcount): Guard behind __cpp_lib_bitops.
650 (has_single_bit, bit_ceil, bit_floor, bit_width): Guard behind
652 (endian): Guard behind __cpp_lib_endian.
653 * include/std/barrier: Switch to bits/version.h for
654 __cpp_lib_barrier. Guard header behind that FTM.
655 * include/std/atomic: Switch to bits/version.h for
656 __cpp_lib_atomic_{is_always_lock_free,float,ref}
657 and __cpp_lib_lock_free_type_aliases.
658 (*::is_always_lock_free): Guard behind
659 __cpp_lib_atomic_is_always_lock_free.
660 (atomic<float>): Guard behind __cpp_lib_atomic_float.
661 (atomic_ref): Guard behind __cpp_lib_atomic_ref.
662 (atomic_signed_lock_free, atomic_unsigned_lock_free): Guard behind
663 __cpp_lib_atomic_lock_free_type_aliases.
664 * include/std/array: Switch to bits/version.h for
666 (to_array): Guard behind __cpp_lib_to_array.
667 * include/std/any: Switch to bits/version.h for __cpp_lib_any.
668 Guard header behind that FTM.
669 * include/std/algorithm: Switch to bits/version.h for
670 __cpp_lib_parallel_algorithm.
671 * include/c_global/cstddef: Switch to bits/version.h for
673 (byte): Guard behind __cpp_lib_byte.
674 * include/c_global/cmath: Switch to bits/version.h for
675 __cpp_lib_{hypot,interpolate}.
676 (hypot3): Guard behind __cpp_lib_hypot.
677 (lerp): Guard behind __cpp_lib_interpolate.
678 * include/c_compatibility/stdatomic.h: Switch to
679 bits/stl_version.h for __cpp_lib_atomic. Guard header behind that
681 * include/bits/utility.h: Switch to bits/version.h for
682 __cpp_lib_{tuple_element_t,integer_sequence,ranges_zip}.
683 (tuple_element_t): Guard behind __cpp_lib_tuple_element_t.
684 (integer_sequence et al): Guard behind __cpp_lib_integer_sequence.
685 * include/bits/uses_allocator_args.h: Switch to bits/version.h for
686 __cpp_lib_make_obj_using_allocator. Guard header behind that FTM.
687 * include/bits/unordered_map.h: Switch to bits/version.h for
688 __cpp_lib_unordered_map_try_emplace.
689 (try_emplace): Guard behind __cpp_lib_unordered_map_try_emplace.
690 * include/bits/unique_ptr.h: Switch to bits/version.h for
691 __cpp_lib_{constexpr_memory,make_unique}.
692 (make_unique): Guard behind __cpp_lib_make_unique.
693 * include/bits/stl_vector.h: Switch to bits/version.h for
694 __cpp_lib_constexpr_vector.
695 * include/bits/stl_uninitialized.h: Switch to bits/version.h for
696 __cpp_lib_raw_memory_algorithms.
697 (uninitialized_default_construct)
698 (uninitialized_default_construct_n, uninitialized_move)
699 (uninitialized_move_n, uninitialized_value_construct)
700 (uninitialized_value_construct_n): Guard behind
701 __cpp_lib_raw_memory_algorithms.
702 * include/bits/stl_tree.h: Switch to bits/version.h for
703 __cpp_lib_generic_associative_lookup.
704 * include/bits/stl_stack.h: Switch to bits/version.h for
705 __cpp_lib_adaptor_iterator_pair_constructor.
706 (stack): Guard iterator-pair constructor behind
707 __cpp_lib_adaptor_iterator_pair_constructor.
708 * include/bits/stl_queue.h: Switch to bits/version.h for
709 __cpp_lib_adaptor_iterator_pair_constructor.
710 (queue): Guard iterator-pair constructor behind
711 __cpp_lib_adaptor_iterator_pair_constructor.
712 * include/bits/stl_pair.h: Switch to bits/version.h for
713 __cpp_lib_{concepts,tuples_by_type}.
714 (get): Guard type-getting overloads behind
715 __cpp_lib_tuples_by_type.
716 * include/bits/stl_map.h: Switch to bits/version.h for
717 __cpp_lib_map_try_emplace.
718 (map<>::try_emplace): Guard behind __cpp_lib_map_try_emplace.
719 * include/bits/stl_list.h: Switch to bits/version.h for
720 __cpp_lib_list_remove_return_type.
721 (__remove_return_type, _GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG)
722 [C++20]: guard behind __cpp_lib_list_remove_return_type instead.
723 * include/bits/stl_iterator.h: Switch to bits/version.h for
724 __cpp_lib_{constexpr_iterator,array_constexpr} and
725 __cpp_lib_{make_reverse_iterator,move_iterator_concept}.
726 (make_reverse_iterator): Guard behind
727 __cpp_lib_make_reverse_iterator.
728 (iterator_concept et al): Guard __cpp_lib_move_iterator_concept
729 changes behind that FTM.
730 * include/bits/stl_function.h: Switch to bits/version.h for
731 __cpp_lib_transparent_operators.
732 (equal_to, not_equal_to, greater, less, greater_equal)
733 (less_equal, bit_and, bit_or, bit_xor, bit_not, logical_and)
734 (logical_or, logical_not, plus, minus, multiplies, divides)
735 (modulus, negate): Guard '= void' fwdecls behind
736 __cpp_lib_transparent_operators.
737 (plus<void>, minus<void>, multiplies<void>, divides<void>)
738 (modulus<void>, negate<void>, logical_and<void>, logical_or<void>)
739 (logical_not<void>, bit_and<void>, bit_or<void>, bit_xor<void>)
740 (equal_to<void>, not_equal_to<void>, greater<void>, less<void>)
741 (greater_equal<void>, less_equal<void>, bit_not<void>)
742 (__has_is_transparent): Guard behind
743 __cpp_lib_transparent_operators.
744 * include/bits/stl_algobase.h: Switch to bits/version.h for
745 __cpp_lib_robust_nonmodifying_seq_ops.
746 (robust equal, mismatch): Guard behind
747 __cpp_lib_nonmember_container_access.
748 * include/bits/stl_algo.h: Swtich to bits/version.h for
749 __cpp_lib_{clamp,sample}.
750 (clamp): Guard behind __cpp_lib_clamp.
751 (sample): Guard behind __cpp_lib_sample.
752 * include/bits/specfun.h: Switch to bits/version.h for
753 __cpp_lib_math_special_functions and __STDCPP_MATH_SPEC_FUNCS__.
754 * include/bits/shared_ptr_base.h: Switch to bits/version.h for
755 __cpp_lib_{smart_ptr_for_overwrite,shared_ptr_arrays}.
756 (_Sp_overwrite_tag): Guard behind
757 __cpp_lib_smart_ptr_for_overwrite.
758 * include/bits/shared_ptr_atomic.h: Switch to bits/version.h for
759 __cpp_lib_atomic_shared_ptr.
760 * include/bits/shared_ptr.h: Switch to bits/version.h for
761 __cpp_lib_{enable_shared_from_this,shared_ptr_weak_type}.
762 (shared_ptr<T>::weak_type): Guard behind
763 __cpp_lib_shared_ptr_weak_type.
764 (enable_shared_from_this<T>::weak_from_this): Guard behind
765 __cpp_lib_enable_shared_from_this.
766 * include/bits/ranges_cmp.h: Switch to bits/version.h for
768 * include/bits/ranges_algo.h: Switch to bits/version.h for
769 __cpp_lib_{shift,ranges_{contains,find_last,fold,iota}}.
770 * include/bits/range_access.h: Switch to bits/version.h for
771 __cpp_lib_nonmember_container_access
772 (size, empty, data): Guard behind
773 __cpp_lib_nonmember_container_access.
774 (ssize): Guard behind __cpp_lib_ssize.
775 * include/bits/ptr_traits.h: Switch to bits/version.h. for
776 __cpp_lib_{constexpr_memory,to_address}.
777 (to_address): Guard behind __cpp_lib_to_address.
778 * include/bits/node_handle.h: Switch to bits/version.h for
779 __cpp_lib_node_extract. Guard header behind that FTM.
780 * include/bits/move_only_function.h: Switch to bits/version.h for
781 __cpp_lib_move_only_function. Guard header behind that FTM.
782 * include/bits/move.h: Switch to bits/version.h for
783 __cpp_lib_addressof_constexpr.
784 * include/bits/ios_base.h: Switch to bits/version.h for
785 __cpp_lib_ios_noreplace.
786 (noreplace): Guard with __cpp_lib_ios_noreplace.
787 * include/bits/hashtable.h: Switch to bits/version.h for
788 __cpp_lib_generic_unordered_lookup.
789 (_M_equal_range_tr, _M_count_tr, _M_find_tr): Guard behind
790 __cpp_lib_generic_unordered_lookup.
791 * include/bits/forward_list.h: Switch to bits/version.h for
792 __cpp_lib_list_remove_return_type.
793 (__remove_return_type): Guard behind
794 __cpp_lib_list_remove_return_type.
795 * include/bits/erase_if.h: Switch to bits/version.h for
797 * include/bits/cow_string.h: Switch to bits/version.h for
798 __cpp_lib_constexpr_string.
799 * include/bits/chrono.h: Swtich to bits/version.h for
800 __cpp_lib_chrono{,_udls}.
801 (ceil): Guard behind __cpp_lib_chrono.
802 (operator""ns et al): Guard behind __cpp_lib_chrono_udls.
803 * include/bits/char_traits.h: Switch to bits/version.h for
804 __cpp_lib_constexpr_char_traits.
805 * include/bits/basic_string.h: Switch to bits/version.h for
806 __cpp_lib_{constexpr_string,string_{resize_and_overwrite,udls}}.
807 (resize_and_overwrite): Guard behind
808 __cpp_lib_string_resize_and_overwrite.
809 (operator""s): Guard behind __cpp_lib_string_udls.
810 * include/bits/atomic_wait.h: Switch to bits/version.h for
811 __cpp_lib_atomic_wait. Guard header behind that FTM.
812 * include/bits/atomic_base.h: Switch to bits/version.h for
813 __cpp_lib_atomic_value_initialization and
814 __cpp_lib_atomic_flag_test.
815 (atomic_flag::test): Guard behind __cpp_lib_atomic_flag_test,
817 * include/bits/allocator.h: Switch to bits/version.h for
818 __cpp_lib_incomplete_container_elements.
819 * include/bits/alloc_traits.h: Switch to using bits/version.h for
820 __cpp_lib_constexpr_dynamic_alloc and
821 __cpp_lib_allocator_traits_is_always_equal.
822 * include/bits/align.h: Switch to bits/version.h for defining
823 __cpp_lib_assume_aligned.
824 (assume_aligned): Guard with __cpp_lib_assume_aligned.
825 * include/bits/algorithmfwd.h: Switch to bits/version.h for
826 defining __cpp_lib_constexpr_algorithms.
827 * include/std/stacktrace: Switch to bits/version.h for
828 __cpp_lib_stacktrace. Guard header behind that FTM.
829 * testsuite/23_containers/array/tuple_interface/get_neg.cc:
832 2023-08-16 Arsen Arsenović <arsen@aarsen.me>
834 * include/Makefile.am (bits_freestanding): Add version.h.
835 (allcreated): Add version.h.
836 (${bits_srcdir}/version.h): New rule. Regenerates
837 version.h out of version.{def,tpl}.
838 * include/Makefile.in: Regenerate.
839 * include/bits/version.def: New file. Declares a list of
840 all feature test macros, their values and their preconditions.
841 * include/bits/version.tpl: New file. Turns version.def
842 into a sequence of #if blocks.
843 * include/bits/version.h: New file. Generated from
845 * include/std/version: Replace with a __glibcxx_want_all define
846 and bits/version.h include.
848 2023-08-14 Paul Dreik <gccpatches@pauldreik.se>
851 * include/std/format (__formatter_fp::format): Use frexp instead
854 2023-08-12 Ken Matsui <kmatsui@gcc.gnu.org>
856 * include/std/type_traits (true_type): Use __bool_constant
858 (false_type): Likewise.
859 (bool_constant): Likewise.
861 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
864 * include/std/format (_Seq_sink::get): Only call _M_overflow if
865 its precondition is met.
866 (_Iter_sink::_M_finish): Likewise.
867 (_Iter_sink<C, ContigIter>::_M_overflow): Only switch to the
868 internal buffer after running out of space.
869 (_Iter_sink<C, ContigIter>::_M_finish): Do not use _M_overflow.
870 (_Counting_sink::count): Likewise.
871 * testsuite/std/format/functions/format_to_n.cc: Check cases
872 where the output fits into the buffer.
874 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
877 * include/bits/chrono_io.h (operator|=, operator|): Add noexcept
878 to _ChronoParts operators.
879 (from_stream, parse): Define new functions.
880 (__detail::_Parse, __detail::_Parser): New class templates.
881 * include/std/chrono (__cpp_lib_chrono): Define to 201907L for
883 * include/std/version (__cpp_lib_chrono): Likewise.
884 * testsuite/20_util/duration/arithmetic/constexpr_c++17.cc:
885 Adjust expected value of feature test macro.
886 * testsuite/20_util/duration/io.cc: Test parsing.
887 * testsuite/std/time/clock/file/io.cc: Likewise.
888 * testsuite/std/time/clock/gps/io.cc: Likewise.
889 * testsuite/std/time/clock/system/io.cc: Likewise.
890 * testsuite/std/time/clock/tai/io.cc: Likewise.
891 * testsuite/std/time/clock/utc/io.cc: Likewise.
892 * testsuite/std/time/day/io.cc: Likewise.
893 * testsuite/std/time/month/io.cc: Likewise.
894 * testsuite/std/time/month_day/io.cc: Likewise.
895 * testsuite/std/time/weekday/io.cc: Likewise.
896 * testsuite/std/time/year/io.cc: Likewise.
897 * testsuite/std/time/year_month/io.cc: Likewise.
898 * testsuite/std/time/year_month_day/io.cc: Likewise.
899 * testsuite/std/time/syn_c++20.cc: Check value of macro and for
900 the existence of parse and from_stream in namespace chrono.
901 * testsuite/std/time/clock/local/io.cc: New test.
902 * testsuite/std/time/parse.cc: New test.
904 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
907 * include/std/format (__formatter_fp::format): Do not call log10
910 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
912 * python/libstdcxx/v6/printers.py (StdChronoCalendarPrinter):
913 Check for out-of-range month an weekday indices.
914 * testsuite/libstdc++-prettyprinters/chrono.cc: Check invalid
915 month and weekday values.
917 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
919 * include/bits/stl_iterator.h (__clamped_iter_cat_t): Remove.
921 2023-08-10 Jonathan Wakely <jwakely@redhat.com>
924 * include/std/format (_Spec::_S_parse_width_or_precision): Check
925 for empty range before dereferencing iterator.
926 * testsuite/std/format/string.cc: Check for expected exception.
927 Fix expected exception message in test_pr110862() and actually
930 2023-08-10 Jonathan Wakely <jwakely@redhat.com>
933 * include/std/format (__formatter_fp::format): Check return
934 value of _M_localize.
935 * testsuite/std/format/functions/format.cc: Check classic
938 2023-08-10 Jonathan Wakely <jwakely@redhat.com>
941 * include/bits/stl_iterator.h (__detail::__move_iter_cat): Use
943 (iterator_traits<common_iterator<I, S>>::_S_iter_cat): Likewise.
944 (__detail::__basic_const_iterator_iter_cat): Likewise.
945 * include/bits/stl_iterator_base_types.h (__iterator_category_t):
946 Rename to __iter_category_t.
948 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
950 * include/bits/chrono.h (duration_cast): Do not use braces
951 around statements for C++11 constexpr rules.
952 * include/bits/stl_algobase.h (__lg): Rewrite as a single
953 statement for C++11 constexpr rules.
954 * include/experimental/bits/fs_path.h (path::string): Use
955 _GLIBCXX17_CONSTEXPR not _GLIBCXX_CONSTEXPR for 'if constexpr'.
956 * include/std/charconv (__to_chars_8): Initialize variable for
957 C++17 constexpr rules.
959 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
961 * include/bits/list.tcc (list::sort(Cmp)): Fix -Wsign-compare
962 warning for loop condition.
964 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
966 * include/std/complex: Add diagnostic pragma for clang.
968 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
970 * include/bits/shared_ptr_atomic.h (atomic): Change class-head
972 * include/bits/stl_tree.h (_Rb_tree_merge_helper): Change
973 class-head to struct in friend declaration.
974 * include/std/chrono (tzdb_list::_Node): Likewise.
975 * include/std/future (_Task_state_base, _Task_state): Likewise.
976 * include/std/scoped_allocator (__inner_type_impl): Likewise.
977 * include/std/valarray (_BinClos, _SClos, _GClos, _IClos)
978 (_ValFunClos, _RefFunClos): Change class-head to struct.
980 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
982 * include/bits/alloc_traits.h (allocate): Add [[maybe_unused]]
984 * include/bits/regex_executor.tcc: Remove name of unused
986 * include/bits/shared_ptr_atomic.h (atomic_is_lock_free):
988 * include/bits/stl_uninitialized.h: Likewise.
989 * include/bits/streambuf_iterator.h (operator==): Likewise.
990 * include/bits/uses_allocator.h: Likewise.
991 * include/c_global/cmath (isfinite, isinf, isnan): Likewise.
992 * include/std/chrono (zoned_time): Likewise.
993 * include/std/future (__future_base::_S_allocate_result):
995 (packaged_task): Likewise.
996 * include/std/optional (_Optional_payload_base): Likewise.
997 * include/std/scoped_allocator (__inner_type_impl): Likewise.
998 * include/std/tuple (_Tuple_impl): Likewise.
1000 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
1002 * include/bits/new_allocator.h (__new_allocator): Define copy
1003 assignment operator as defaulted.
1004 * include/std/complex (complex<float>, complex<double>)
1005 (complex<long double>): Define copy constructor as defaulted.
1007 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
1009 * include/std/format: Fix some warnings.
1010 (__format::__write(Ctx&, basic_string_view<CharT>)): Remove
1011 unused function template.
1013 2023-08-07 Jonathan Wakely <jwakely@redhat.com>
1016 * include/std/format (__formatter_fp::format): Do not use
1017 __builtin_abs and __builtin_log10 with arbitrary floating-point
1020 2023-08-07 Jonathan Wakely <jwakely@redhat.com>
1023 * include/std/format (__format::_Iter_sink<CharT, OutIter>):
1024 Constrain partial specialization for contiguous iterators to
1025 require the value type to be CharT.
1026 * testsuite/std/format/functions/format_to.cc: New test.
1028 2023-08-07 Jonathan Wakely <jwakely@redhat.com>
1031 * include/std/format (_Scanner::_M_on_replacement_field):
1032 Check for expected '}' before incrementing iterator.
1033 * testsuite/std/format/string.cc: Check "{0:{0}" format string.
1035 2023-08-07 Nick Alcock <nick.alcock@oracle.com>
1037 * configure: Regenerate.
1039 2023-08-07 Alan Modra <amodra@gmail.com>
1041 * configure: Regenerate.
1043 2023-08-07 Alexander von Gluck IV <kallisti5@unixzen.com>
1045 * configure: Regenerate.
1047 2023-08-07 Nick Alcock <nick.alcock@oracle.com>
1049 * configure: Regenerate.
1051 2023-08-07 Nick Alcock <nick.alcock@oracle.com>
1053 * configure: Regenerate.
1055 2023-08-07 H.J. Lu <hjl.tools@gmail.com>
1057 * configure: Regenerate.
1059 2023-08-07 H.J. Lu <hjl.tools@gmail.com>
1061 * configure: Regenerate.
1063 2023-08-06 François Dumont <fdumont@gcc.gnu.org>
1065 * config/abi/pre/gnu-versioned-namespace.ver: Add __cxa_call_terminate
1068 2023-07-30 François Dumont <fdumont@gcc.gnu.org>
1070 * src/c++11/compatibility-ldbl-facets-aliases.h: Replace #define with
1072 * src/c++11/locale-inst-monetary.h: Likewise.
1073 * src/c++11/locale-inst-numeric.h: Likewise.
1075 2023-07-27 Jonathan Wakely <jwakely@redhat.com>
1078 * include/std/format (__formatter_fp::format): Ensure __expc is
1079 always set for all presentation types. Set __z correctly for
1081 * testsuite/std/format/functions/format.cc: Check problem cases.
1083 2023-07-26 Jonathan Wakely <jwakely@redhat.com>
1086 * testsuite/23_containers/vector/bool/110807.cc: Require c++11.
1088 2023-07-26 Jonathan Wakely <jwakely@redhat.com>
1091 * include/bits/stl_bvector.h (vector(const vector&)): Access
1092 iterators before allocating.
1093 * include/bits/vector.tcc (vector<bool>::_M_insert_range):
1095 * testsuite/23_containers/vector/bool/110807.cc: New test.
1097 2023-07-26 Jonathan Wakely <jwakely@redhat.com>
1099 * include/bits/algorithmfwd.h (random_shuffle): Add deprecated
1101 * include/bits/stl_algo.h (random_shuffle): Correct comments.
1102 * testsuite/25_algorithms/random_shuffle/1.cc: Disable
1103 deprecated warnings.
1104 * testsuite/25_algorithms/random_shuffle/59603.cc: Likewise.
1105 * testsuite/25_algorithms/random_shuffle/moveable.cc: Likewise.
1106 * testsuite/25_algorithms/random_shuffle/deprecated.cc: New
1109 2023-07-26 Nathaniel Shead <nathanieloshead@gmail.com>
1111 * testsuite/25_algorithms/equal/constexpr_neg.cc: Update diagnostic
1113 * testsuite/26_numerics/gcd/105844.cc: Likewise.
1114 * testsuite/26_numerics/lcm/105844.cc: Likewise.
1116 2023-07-24 Deev Patel <pateldeev@nevada.unr.edu>
1118 * include/std/format (_Formatting_scanner::_M_on_chars): Add
1119 missing constexpr specifier.
1120 (_Formatting_scanner::_M_format_arg): Likewise.
1122 2023-07-24 Jonathan Wakely <jwakely@redhat.com>
1125 * include/bits/basic_string.h [!HAVE_STOF] (stof): Do not
1126 throw an exception for zero result.
1127 [HAVE_BROKEN_STRTOLD] (stold): Do not use strtold.
1129 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1132 * src/c++17/floating_from_chars.cc (from_chars): Only define
1133 _Float128 overload when using __strfromf128.
1135 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1138 * include/bits/chrono.h (duration): Improve static assert
1140 (__is_ratio): Move to ...
1141 * include/std/ratio (__is_ratio): ... here.
1142 (__is_ratio_v): New variable template and partial
1144 (__are_both_ratios): New function template.
1145 (__ratio_multiply, ratio_equal, ratio_less, __ratio_add):
1146 Add static assertion.
1147 * testsuite/20_util/ratio/requirements/type_constraints.cc:
1149 * testsuite/20_util/duration/requirements/typedefs_neg1.cc:
1150 Adjust expected error.
1151 * testsuite/20_util/duration/requirements/typedefs_neg2.cc:
1154 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1156 * include/bits/chrono_io.h (__formatter_chrono::_M_format):
1157 Do not set __is_neg for hh_mm_ss before calling
1158 _M_format_to_ostream. Change __print_sign lambda to only check
1159 __is_neg for durations and hh_mm_ss types.
1160 (__formatter_chrono::_M_format_to_ostream): Only check __is_neg
1162 * testsuite/std/time/hh_mm_ss/io.cc: Check negative values.
1164 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1167 * include/bits/chrono_io.h (__formatter_chrono::_S_floor_seconds):
1168 Handle duration and hh_mm_ss.
1169 * testsuite/20_util/duration/io.cc: Check locale-specific
1171 * testsuite/std/time/hh_mm_ss/io.cc: Likewise.
1173 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1175 * include/std/format (__write_padded): Initialize first element
1176 of array to avoid a -Wmaybe-uninitialized warning.
1178 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1181 * include/bits/chrono_io.h (__formatter_chrono::_M_parse): Fix
1182 allowed modifiers for %z and %Z. Fix -Wparentheses and
1183 -Wnarrowing warnings.
1184 (__formatter_chrono::_M_format): Call new functions for %d, %e,
1186 (__formatter_chrono::_M_c): Use _S_floor_seconds to remove
1187 subsecond precision.
1188 (__formatter_chrono::_M_C_y_Y): Use _M_locale_fmt to handle
1190 (__formatter_chrono::_M_e): Replace with _M_d_e and use
1192 (__formatter_chrono::_M_I): Replace with _M_H_I and use
1194 (__formatter_chrono::_M_m): New function.
1195 (__formatter_chrono::_M_M): New function.
1196 (__formatter_chrono::_M_r): Use _M_locale_fmt.
1197 (__formatter_chrono::_M_S): Likewise.
1198 (__formatter_chrono::_M_u_w): Likewise.
1199 (__formatter_chrono::_M_U_V_W): Likewise.
1200 (__formatter_chrono::_M_X): Use _S_floor_seconds.
1201 (__formatter_chrono::_M_Z): Fix untested branch for wchar_t.
1202 (__formatter_chrono::_S_altnum): Remove function.
1203 (__formatter_chrono::_S_dd_zero_fill): Remove function.
1204 (__formatter_chrono::_S_floor_seconds): New function.
1205 (__formatter_chrono::_M_locale_fmt): New function.
1206 * testsuite/std/time/clock/system/io.cc: Adjust expected output
1207 for locale-specific formats and check modified formats.
1208 * testsuite/std/time/clock/utc/io.cc: Likewise.
1209 * testsuite/std/time/zoned_time/io.cc: New test.
1211 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1214 * include/bits/chrono_io.h (__formatter_chrono::_M_parse): Only
1215 allow a single modifier.
1216 * testsuite/std/time/format.cc: Check multiple modifiers.
1218 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1221 * testsuite/21_strings/basic_string/numeric_conversions/char/stod.cc:
1222 Remove dg-require-string-conversions.
1223 * testsuite/21_strings/basic_string/numeric_conversions/char/stof.cc:
1225 * testsuite/21_strings/basic_string/numeric_conversions/char/stoi.cc:
1227 * testsuite/21_strings/basic_string/numeric_conversions/char/stol.cc:
1229 * testsuite/21_strings/basic_string/numeric_conversions/char/stoul.cc:
1232 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1235 * include/bits/basic_string.h [!_GLIBCXX_HAVE_STRTOF] (stof):
1236 Define in terms of std::stod.
1238 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1241 * include/bits/basic_string.h [_GLIBCXX_HAVE_STRTOF] (stof):
1243 [_GLIBCXX_HAVE_STRTOLD] (stold): Define.
1244 * include/c_global/cstdlib [_GLIBCXX_HAVE_STRTOF] (strtof):
1245 Declare in namespace std.
1246 [_GLIBCXX_HAVE_STRTOLD] (strtold): Likewise.
1248 2023-07-13 Jonathan Wakely <jwakely@redhat.com>
1251 * include/bits/basic_string.h (stoi, stol, stoul, stod): Do not
1252 depend on _GLIBCXX_USE_C99_STDLIB.
1253 [__LONG_WIDTH__ == __LONG_LONG_WIDTH__] (stoll, stoull): Define
1254 in terms of stol and stoul respectively.
1255 [__DBL_MANT_DIG__ == __LDBL_MANT_DIG__] (stold): Define in terms
1258 2023-07-12 Jonathan Wakely <jwakely@redhat.com>
1261 * testsuite/27_io/filesystem/path/construct/95048.cc: Check
1262 conversions to wide strings.
1263 * testsuite/experimental/filesystem/path/construct/95048.cc:
1266 2023-07-12 Jonathan Wakely <jwakely@redhat.com>
1268 * config/io/basic_file_stdio.cc: Define LFS macros.
1269 (__basic_file<char>::open): Use fopen unconditionally.
1270 (get_file_offset): Use lseek unconditionally.
1271 (__basic_file<char>::seekoff): Likewise.
1272 (__basic_file<char>::showmanyc): Use fstat unconditionally.
1274 2023-07-12 Jonathan Wakely <jwakely@redhat.com>
1277 * acinclude.m4 (GLIBCXX_CHECK_LFS): Check for fseeko and ftello
1278 and define _GLIBCXX_USE_FSEEKO_FTELLO.
1279 * config.h.in: Regenerate.
1280 * configure: Regenerate.
1281 * config/io/basic_file_stdio.cc (xwrite) [_GLIBCXX_USE_STDIO_PURE]:
1282 Check for fwrite error correctly.
1283 (__basic_file<char>::xsgetn) [_GLIBCXX_USE_STDIO_PURE]: Check for
1284 fread error correctly.
1285 (get_file_offset): New function.
1286 (__basic_file<char>::seekoff) [_GLIBCXX_USE_STDIO_PURE]: Use
1287 fseeko if available. Use get_file_offset instead of return value
1289 (__basic_file<char>::showmanyc): Use get_file_offset.
1291 2023-07-12 Ken Matsui <kmatsui@gcc.gnu.org>
1293 * include/std/type_traits (__make_unsigned_selector): Use
1294 __is_enum built-in trait.
1295 (__make_signed_selector): Likewise.
1296 (__underlying_type_impl): Likewise.
1298 2023-07-06 Tianqiang Shuai <1101282468@qq.com>
1300 * config/io/basic_file_stdio.cc (xwrite) [USE_STDIO_PURE]: Fix
1303 2023-07-06 Jonathan Wakely <jwakely@redhat.com>
1306 * doc/xml/manual/configure.xml: Describe stdio_pure argument to
1308 * doc/html/manual/configure.html: Regenerate.
1310 2023-07-05 Thomas Rodgers <trodgers@redhat.com>
1312 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: Delete
1314 * testsuite/25_algorithms/pstl/alg_sorting/set_difference.cc:
1316 * testsuite/25_algorithms/pstl/alg_sorting/set_intersection.cc:
1318 * testsuite/25_algorithms/pstl/alg_sorting/set_symmetric_difference.cc:
1320 * testsuite/25_algorithms/pstl/alg_sorting/set_union.cc:
1322 * testsuite/25_algorithms/pstl/alg_sorting/set_util.h:
1325 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
1327 * testsuite/23_containers/forward_list/debug/iterator1_neg.cc:
1328 Skip as UNSUPPORTED for C++98 mode.
1329 * testsuite/23_containers/forward_list/debug/iterator3_neg.cc:
1332 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
1335 * include/bits/stl_uninitialized.h (__uninitialized_default_n):
1336 Do not use std::fill_n during constant evaluation.
1338 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
1340 * include/bits/vector.tcc (_M_default_append): Replace try-block
1343 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
1345 * include/bits/iterator_concepts.h (projected): Add typename.
1347 2023-07-03 Jonathan Wakely <jwakely@redhat.com>
1349 * testsuite/27_io/headers/iosfwd/synopsis.cc: Make wsyncbuf and
1350 wosyncstream depend on _GLIBCXX_USE_CXX11_ABI.
1352 2023-07-03 Jonathan Wakely <jwakely@redhat.com>
1354 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
1355 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
1356 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
1357 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
1359 2023-07-03 Jonathan Wakely <jwakely@redhat.com>
1361 * include/bits/alloc_traits.h (_Destroy): Qualify call.
1362 * include/bits/stl_construct.h (_Destroy, _Destroy_n): Likewise.
1363 * testsuite/23_containers/vector/cons/destroy-adl.cc: New test.
1365 2023-07-03 Iain Sandoe <iain@sandoe.co.uk>
1367 * testsuite/lib/libstdc++.exp: Remove additional flag handled
1370 2023-06-30 Jonathan Wakely <jwakely@redhat.com>
1373 * acinclude.m4 (GLIBCXX_CHECK_INIT_PRIORITY): New.
1374 * config.h.in: Regenerate.
1375 * configure: Regenerate.
1376 * configure.ac: Use GLIBCXX_CHECK_INIT_PRIORITY.
1377 * include/std/iostream: Use new autoconf macro as well as
1379 * src/c++98/ios_base_init.h: Use new autoconf macro instead of
1382 2023-06-30 Jonathan Wakely <jwakely@redhat.com>
1384 * src/c++11/random.cc (random_device::_M_init): Add maybe_unused
1387 2023-06-30 Jonathan Wakely <jwakely@redhat.com>
1390 * src/c++11/random.cc (random_device::_M_init): Throw
1391 std::system_error when the requested device is a valid token but
1392 not available at runtime.
1394 2023-06-30 Hans-Peter Nilsson <hp@axis.com>
1397 * include/pstl/unseq_backend_simd.h (__simd_or): Re-apply using
1398 __INT32_TYPE__ instead of int32_t.
1400 2023-06-29 Jonathan Wakely <jwakely@redhat.com>
1402 * src/c++20/tzdb.cc (USE_ATOMIC_SHARED_PTR): Define consistently
1403 with USE_ATOMIC_LIST_HEAD.
1404 (list_mutex): Replace global object with function. Use local
1405 static object when std::mutex constructor isn't constexpr.
1407 2023-06-29 Jonathan Wakely <jwakely@redhat.com>
1410 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check that
1411 copy_file_range can be called with loff_t* arguments.
1412 * configure: Regenerate.
1413 * src/filesystem/ops-common.h (copy_file_copy_file_range):
1414 Use loff_t for offsets.
1416 2023-06-29 Tom Tromey <tromey@adacore.com>
1418 * testsuite/lib/gdb-test.exp (gdb-test): Relax type-printer
1421 2023-06-28 Jan Hubicka <jh@suse.cz>
1423 PR middle-end/109849
1424 * include/bits/c++config (std::__terminate): Mark cold.
1425 * include/bits/functexcept.h: Mark everything as cold.
1426 * libsupc++/exception: Mark terminate and unexpected as cold.
1428 2023-06-26 Thomas Rodgers <trodgers@redhat.com>
1430 * include/pstl/algorithm_fwd.h: Synchronize with upstream.
1431 * include/pstl/algorithm_impl.h: Likewise.
1432 * include/pstl/execution_defs.h: Likewise.
1433 * include/pstl/execution_impl.h: Likewise.
1434 * include/pstl/glue_algorithm_impl.h: Likewise.
1435 * include/pstl/glue_execution_defs.h: Likewise.
1436 * include/pstl/glue_memory_impl.h: Likewise.
1437 * include/pstl/glue_numeric_impl.h: Likewise.
1438 * include/pstl/memory_impl.h: Likewise.
1439 * include/pstl/numeric_fwd.h: Likewise.
1440 * include/pstl/numeric_impl.h: Likewise.
1441 * include/pstl/parallel_backend.h: Likewise.
1442 * include/pstl/parallel_backend_serial.h: Likewise.
1443 * include/pstl/parallel_backend_tbb.h: Likewise.
1444 * include/pstl/parallel_impl.h: Likewise.
1445 * include/pstl/pstl_config.h: Likewise.
1446 * include/pstl/unseq_backend_simd.h: Likewise.
1447 * include/pstl/utils.h: Likewise.
1448 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
1450 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
1452 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc:
1454 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc:
1456 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
1457 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
1459 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
1461 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc:
1463 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc:
1465 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
1467 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
1469 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
1471 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
1473 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc:
1475 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc:
1477 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
1479 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
1481 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
1483 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc:
1485 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc:
1487 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc:
1489 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
1491 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
1493 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc:
1495 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc:
1497 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc:
1499 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc:
1501 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc:
1503 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc:
1505 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc:
1507 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
1509 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc:
1511 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc:
1513 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc:
1515 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc:
1517 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
1519 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc:
1521 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
1523 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc:
1525 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc:
1527 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc:
1529 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc:
1531 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
1533 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc:
1535 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc:
1537 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
1539 * testsuite/25_algorithms/pstl/alg_sorting/set.cc:
1541 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc:
1543 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
1545 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc:
1547 * testsuite/26_numerics/pstl/numeric_ops/scan.cc:
1549 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc:
1551 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc:
1553 * testsuite/util/pstl/test_utils.h:
1556 2023-06-26 Jonathan Wakely <jwakely@redhat.com>
1559 * include/std/format (__format::__parse_integer): Fix buffer
1560 overflow for wide chars.
1561 (formatter<const void*, C>::format): Cast to uintptr_t instead
1563 * testsuite/std/format/string.cc: Test too-large widths.
1565 2023-06-26 Jonathan Wakely <jwakely@redhat.com>
1567 * include/bits/iterator_concepts.h (projected): Replace class
1568 template with alias template denoting an ADL-proofed helper.
1569 (incremental_traits<projected<Iter, Proj>>): Remove.
1570 * testsuite/24_iterators/indirect_callable/projected-adl.cc:
1573 2023-06-26 Jonathan Wakely <jwakely@redhat.com>
1575 * include/debug/helper_functions.h (__get_distance)
1576 (__check_singular, __valid_range_aux, __valid_range): Qualify
1577 calls to disable ADL.
1578 (__check_singular_aux(const _Safe_iterator_base*)): Declare
1579 overload that was previously found via ADL.
1581 2023-06-23 Jonathan Wakely <jwakely@redhat.com>
1583 * include/bits/vector.tcc (_M_realloc_insert): Replace try-block
1586 2023-06-20 Jonathan Wakely <jwakely@redhat.com>
1588 * include/std/array (to_array(T(&)[N])): Remove redundant
1590 (to_array(T(&&)[N])): Remove redundant std::move.
1592 2023-06-16 Alexandre Oliva <oliva@adacore.com>
1594 * testsuite/20_util/from_chars/4.cc: Skip long double on
1597 2023-06-16 Joel Brobecker <brobecker@adacore.com>
1599 * configure.ac ["x${with_newlib}" = "xyes"]: Define
1600 HAVE_HYPOTF. Add compile-checks for various long double
1601 math functions as well.
1602 * configure: Regenerate.
1604 2023-06-14 Jonny Grant <jg@jguk.org>
1606 * doc/xml/manual/extensions.xml: Remove demangle exception
1607 description and include.
1608 * doc/html/manual/ext_demangling.html: Regenerate.
1610 2023-06-10 Hans-Peter Nilsson <hp@axis.com>
1612 * testsuite/27_io/basic_istream/ignore/wchar_t/94749.cc (main)
1613 [! SIMULATOR_TEST]: Also exclude running test05.
1614 * testsuite/27_io/basic_istream/ignore/char/94749.cc: Ditto.
1616 2023-06-09 Ken Matsui <kmatsui@cs.washington.edu>
1618 * include/std/type_traits: Use using instead of typedef
1620 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1623 * src/c++17/floating_from_chars.cc (from_chars) <_Float128>:
1624 Only define if _Float128 and long double have different
1627 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1630 * include/experimental/internet [IPPROTO_TCP || IPPROTO_UDP]
1631 (basic_endpoint, basic_resolver_entry, resolver_base)
1632 (basic_resolver_results, basic_resolver): Only define if the tcp
1633 or udp protocols will be defined.
1635 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1637 * acinclude.m4 (libtool_VERSION): Update to 6.0.33.
1638 * configure: Regenerate.
1639 * doc/xml/manual/abi.xml: Add libstdc++.so.6.0.33.
1640 * doc/html/manual/abi.html: Regenerate.
1642 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1645 * include/std/format (formatter<const void*, charT>::parse):
1646 Only alow 0 and P for C++26 and non-strict modes.
1647 (formatter<const void*, charT>::format): Use toupper for P
1648 type, and insert zero-fill characters for 0 option.
1649 * testsuite/std/format/functions/format.cc: Check pointer
1650 formatting. Only check P2510R3 extensions conditionally.
1651 * testsuite/std/format/parse_ctx.cc: Only check P2510R3
1652 extensions conditionally.
1654 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1657 * include/std/array (to_array): Initialize arrays of trivial
1658 types using memcpy. For non-trivial types, use lambda
1659 expressions instead of a separate helper function.
1660 (__to_array): Remove.
1661 * testsuite/23_containers/array/creation/110167.cc: New test.
1663 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1665 * testsuite/23_containers/deque/modifiers/emplace/52799.cc:
1667 * testsuite/23_containers/deque/modifiers/emplace/const_iterator.cc:
1669 * testsuite/23_containers/list/modifiers/emplace/52799.cc:
1671 * testsuite/23_containers/list/modifiers/emplace/const_iterator.cc:
1673 * testsuite/23_containers/vector/modifiers/emplace/52799.cc:
1675 * testsuite/23_containers/vector/modifiers/emplace/const_iterator.cc:
1677 * testsuite/23_containers/deque/modifiers/emplace/1.cc: New
1679 * testsuite/23_containers/list/modifiers/emplace/1.cc: New
1681 * testsuite/23_containers/vector/modifiers/emplace/1.cc: New
1684 2023-06-07 Jakub Jelinek <jakub@redhat.com>
1687 * testsuite/20_util/to_chars/double.cc: Include <cfloat>.
1688 (double_to_chars_test_cases,
1689 double_scientific_precision_to_chars_test_cases_2,
1690 double_fixed_precision_to_chars_test_cases_2): #if out 1e126, 4.91e-6
1691 and 5.547e-6 tests if FLT_EVAL_METHOD is negative or larger than 1.
1692 Add unconditional tests with corresponding double constants
1693 0x1.7a2ecc414a03fp+418, 0x1.4981285e98e79p-18 and
1694 0x1.7440bbff418b9p-18.
1696 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
1698 * testsuite/util/testsuite_abi.cc (check_version): Re-add
1701 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
1703 * testsuite/18_support/nested_exception/rethrow_if_nested-term.cc:
1704 Require effective target exceptions_enabled instead of using
1706 * testsuite/23_containers/vector/capacity/constexpr.cc: Expect
1707 shrink_to_fit() to be a no-op without exceptions enabled.
1708 * testsuite/23_containers/vector/capacity/shrink_to_fit.cc:
1710 * testsuite/ext/bitmap_allocator/check_allocate_max_size.cc:
1711 Require effective target exceptions_enabled.
1712 * testsuite/ext/malloc_allocator/check_allocate_max_size.cc:
1714 * testsuite/ext/mt_allocator/check_allocate_max_size.cc:
1716 * testsuite/ext/new_allocator/check_allocate_max_size.cc:
1718 * testsuite/ext/pool_allocator/check_allocate_max_size.cc:
1720 * testsuite/ext/throw_allocator/check_allocate_max_size.cc:
1723 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
1725 * testsuite/20_util/duration/cons/2.cc: Use values that aren't
1726 affected by rounding.
1727 * testsuite/20_util/from_chars/5.cc: Cast arithmetic result to
1728 double before comparing for equality.
1729 * testsuite/20_util/from_chars/6.cc: Likewise.
1730 * testsuite/20_util/variant/86874.cc: Use values that aren't
1731 affected by rounding.
1732 * testsuite/25_algorithms/lower_bound/partitioned.cc: Compare to
1733 original value instead of to floating-point-literal.
1734 * testsuite/26_numerics/random/discrete_distribution/cons/range.cc:
1735 Cast arithmetic result to double before comparing for equality.
1736 * testsuite/26_numerics/random/piecewise_constant_distribution/cons/range.cc:
1738 * testsuite/26_numerics/random/piecewise_linear_distribution/cons/range.cc:
1740 * testsuite/26_numerics/valarray/transcend.cc (eq): Check that
1741 the absolute difference is less than 0.01 instead of comparing
1742 to two decimal places.
1743 * testsuite/27_io/basic_istream/extractors_arithmetic/char/01.cc:
1744 Cast arithmetic result to double before comparing for equality.
1745 * testsuite/27_io/basic_istream/extractors_arithmetic/char/09.cc:
1747 * testsuite/27_io/basic_istream/extractors_arithmetic/char/10.cc:
1749 * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/01.cc:
1751 * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/09.cc:
1753 * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/10.cc:
1755 * testsuite/ext/random/hoyt_distribution/cons/parms.cc: Likewise.
1757 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
1760 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1762 * configure.ac: Use AS_IF.
1763 * configure: Regenerate.
1765 2023-06-07 Thomas Schwinge <thomas@codesourcery.com>
1767 * testsuite/lib/prune.exp (libstdc++-dg-prune): Support
1768 'UNSUPPORTED: [...]: exception handling disabled'.
1770 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1772 * testsuite/util/testsuite_abi.cc (check_version): Add
1773 CXXABI_1.3.15 symver and make it the latestp. Remove
1774 GLIBCXX_IEEE128_3.4.31 and GLIBCXX_LDBL_3.4.31 from latestp.
1776 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1777 Jakub Jelinek <jakub@redhat.com>
1780 * include/std/limits: (numeric_limits<__float128>): Define
1781 for __STRICT_ANSI__ as well.
1782 * testsuite/18_support/numeric_limits/128bit.cc: Remove
1783 check for __STRICT_ANSI__.
1785 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1787 * configure.ac: Use AS_IF.
1788 * configure: Regenerate.
1790 2023-06-06 Matthias Kretz <m.kretz@gsi.de>
1793 * include/experimental/bits/simd_builtin.h (_S_store): Rewrite
1794 to avoid casts to other vector types. Implement store as
1795 succession of power-of-2 sized memcpy to avoid PR90424.
1797 2023-06-06 Matthias Kretz <m.kretz@gsi.de>
1800 * include/experimental/bits/simd_builtin.h (_S_masked_store):
1801 Call into deduced ABI's SimdImpl after conversion.
1802 * include/experimental/bits/simd_x86.h (_S_masked_store_nocvt):
1803 Don't use _mm_maskmoveu_si128. Use the generic fall-back
1804 implementation. Also fix masked stores without SSE2, which
1805 were not doing anything before.
1807 2023-06-06 Matthias Kretz <m.kretz@gsi.de>
1809 * include/experimental/bits/simd.h (__bit_cast): Use
1810 __gnu__::__vector_size__ instead of gnu::vector_size.
1812 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1815 * include/std/array (__array_traits<T, 0>::operator T*()): Make
1816 conversion operator explicit.
1817 (array::front): Use size_type as subscript operand.
1818 (array::data): Use static_cast to make conversion explicit.
1819 * testsuite/23_containers/array/element_access/110139.cc: New
1822 2023-06-06 Joseph Faulls <Joseph.Faulls@imgtec.com>
1824 * include/bits/locale_classes.tcc: Remove check for
1825 codecvt<char8_t, char, mbstate_t> facet.
1827 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1829 * src/filesystem/ops-common.h (do_copy_file) [O_CLOEXEC]: Set
1830 close-on-exec flag on file descriptors.
1832 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1835 * src/filesystem/ops-common.h (do_copy_file): Check for empty
1836 files by trying to read a character.
1837 * testsuite/27_io/filesystem/operations/copy_file_108178.cc:
1840 2023-06-06 Jannik Glückert <jannik.glueckert@gmail.com>
1842 * acinclude.m4 (_GLIBCXX_USE_COPY_FILE_RANGE): Define.
1843 * config.h.in: Regenerate.
1844 * configure: Regenerate.
1845 * src/filesystem/ops-common.h (copy_file_copy_file_range):
1846 Define new function.
1847 (do_copy_file): Use it.
1849 2023-06-06 Jannik Glückert <jannik.glueckert@gmail.com>
1851 * acinclude.m4 (_GLIBCXX_HAVE_LSEEK): Define.
1852 * config.h.in: Regenerate.
1853 * configure: Regenerate.
1854 * src/filesystem/ops-common.h (copy_file_sendfile): Define new
1855 function for sendfile logic. Loop to support large files. Skip
1857 (do_copy_file): Use it.
1859 2023-06-04 Jason Merrill <jason@redhat.com>
1862 * libsupc++/eh_call.cc (__cxa_call_terminate): Take void*.
1863 * config/abi/pre/gnu.ver: Add it.
1865 2023-06-02 François Dumont <fdumont@gcc.gnu.org>
1867 * include/parallel/algobase.h: Include <parallel/search.h>.
1869 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
1871 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc:
1872 Add const to equality operator.
1874 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
1876 * include/std/expected (expected::and_then, expected::or_else)
1877 (expected::transform_error): Use _M_val and _M_unex instead of
1878 calling value() and error(), as per LWG 3938.
1879 (expected::transform): Likewise. Remove incorrect std::move
1880 calls from lvalue overloads.
1881 (expected<void, E>::and_then, expected<void, E>::or_else)
1882 (expected<void, E>::transform): Use _M_unex instead of calling
1884 * testsuite/20_util/expected/lwg3877.cc: Add checks for and_then
1885 and transform, and for std::expected<void, E>.
1886 * testsuite/20_util/expected/lwg3938.cc: New test.
1888 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
1891 * include/bits/stl_vector.h (_Vector_base::_M_invariant):
1893 (vector::size, vector::capacity): Remove calls to _M_invariant.
1894 * include/bits/vector.tcc (vector::_M_fill_assign): Add
1895 optimization hint to reallocating path.
1896 (vector::_M_assign_aux(FwdIter, FwdIter, forward_iterator_tag)):
1898 * testsuite/23_containers/vector/capacity/invariant.cc: Moved
1900 * testsuite/23_containers/vector/modifiers/assign/no_realloc.cc:
1901 ...here. Check assign(FwdIter, FwdIter) too.
1902 * testsuite/23_containers/vector/types/1.cc: Revert addition
1903 of -Wno-stringop-overread option.
1905 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
1907 * doc/xml/manual/evolution.xml: Document removal of implicit
1908 allocator rebinding extensions in strict mode and for C++20.
1909 * doc/html/*: Regenerate.
1911 2023-06-01 Jason Merrill <jason@redhat.com>
1913 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Don't check
1914 handlers in the cleanup phase.
1916 2023-06-01 Matthias Kretz <m.kretz@gsi.de>
1919 * include/experimental/bits/simd.h (__vectorized_sizeof): With
1920 __have_neon_a32 only single-precision float works (in addition
1923 2023-06-01 François Dumont <fdumont@gcc.gnu.org>
1925 * include/bits/stl_algo.h
1926 (std::__search, std::search(_FwdIt1, _FwdIt1, _FwdIt2, _FwdIt2, _BinPred)): Move...
1927 * include/bits/stl_algobase.h: ...here.
1928 * include/std/functional: Replace <stl_algo.h> include by <stl_algobase.h>.
1929 * include/parallel/algo.h (std::__parallel::search<_FIt1, _FIt2, _BinaryPred>)
1930 (std::__parallel::__search_switch<_FIt1, _FIt2, _BinaryPred, _ItTag1, _ItTag2>):
1932 * include/parallel/algobase.h: ...here.
1933 * include/experimental/functional: Remove <bits/stl_algo.h> and <parallel/algorithm>
1934 includes. Include <bits/stl_algobase.h>.
1936 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1939 * acinclude.m4 (GLIBCXX_ENABLE_C99): Add separate check for
1940 float_t and double_t and define HAVE_C99_FLT_EVAL_TYPES.
1941 * config.h.in: Regenerate.
1942 * configure: Regenerate.
1943 * include/c_global/cmath (float_t, double_t): Guard using new
1944 _GLIBCXX_HAVE_C99_FLT_EVAL_TYPES macro.
1946 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1948 * acinclude.m4 (GLIBCXX_ENABLE_C99): Add checks for C99 math
1949 functions and define _GLIBCXX_USE_C99_MATH_FUNCS. Move checks
1950 for C99 rounding functions to here.
1951 (GLIBCXX_CHECK_C99_TR1): Remove checks for C99 rounding
1952 functions from here.
1953 * config.h.in: Regenerate.
1954 * configure: Regenerate.
1955 * include/bits/random.h: Use _GLIBCXX_USE_C99_MATH_FUNCS instead
1956 of _GLIBCXX_USE_C99_MATH_TR1.
1957 * include/bits/random.tcc: Likewise.
1958 * include/c_compatibility/math.h: Likewise.
1959 * include/c_global/cmath: Likewise.
1960 * include/ext/random: Likewise.
1961 * include/ext/random.tcc: Likewise.
1962 * include/std/complex: Likewise.
1963 * testsuite/20_util/from_chars/4.cc: Likewise.
1964 * testsuite/20_util/from_chars/8.cc: Likewise.
1965 * testsuite/26_numerics/complex/proj.cc: Likewise.
1966 * testsuite/26_numerics/headers/cmath/60401.cc: Likewise.
1967 * testsuite/26_numerics/headers/cmath/types_std_c++0x.cc:
1969 * testsuite/lib/libstdc++.exp (check_v3_target_cstdint):
1971 * testsuite/util/testsuite_random.h: Likewise.
1973 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1975 * include/bits/stl_vector.h (_Vector_base::_M_invariant()): New
1977 (vector::size(), vector::capacity()): Call _M_invariant().
1978 * testsuite/23_containers/vector/capacity/invariant.cc: New test.
1979 * testsuite/23_containers/vector/types/1.cc: Add suppression for
1980 false positive warning (PR110060).
1982 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1985 * src/c++17/floating_from_chars.cc: Check __FLT128_MANT_DIG__ is
1986 defined before trying to use _Float128.
1988 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1990 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Fix for 32-bit pointers
1991 to check __INT_PTR_WIDTH__ instead of sizeof(void*).
1992 * configure: Regenerate.
1994 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1996 * include/bits/unique_lock.h: Include <bits/error_constants.h>
1997 here for std::errc constants.
1998 * include/std/mutex: Do not include <bits/error_constants.h> and
2001 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2003 * configure.ac: Replace use of -o operator for test.
2004 * configure: Regenerate.
2006 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2008 * include/std/scoped_allocator (scoped_allocator_adaptor): Add
2009 noexcept to all constructors except the default constructor.
2010 (scoped_allocator_adaptor::inner_allocator): Add noexcept.
2011 (scoped_allocator_adaptor::outer_allocator): Likewise.
2012 * testsuite/20_util/scoped_allocator/noexcept.cc: New test.
2014 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2017 * include/std/limits (numeric_limits<__float128>): Define.
2018 * testsuite/18_support/numeric_limits/128bit.cc: New test.
2020 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2022 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Extend logic for avr and
2023 msp430 to all 16-bit targets.
2024 * configure: Regenerate.
2026 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2029 * src/c++17/floating_from_chars.cc (USE_STRTOF128_FOR_FROM_CHARS):
2030 Only define when USE_STRTOD_FOR_FROM_CHARS is also defined.
2031 (USE_STRTOD_FOR_FROM_CHARS): Do not undefine when long double is
2033 (from_chars(const char*, const char*, double&, chars_format)):
2034 Check __LDBL_MANT_DIG__ == __DBL_MANT_DIG__ here.
2035 (from_chars(const char*, const char*, _Float128&, chars_format))
2036 Only use from_chars_strtod when USE_STRTOD_FOR_FROM_CHARS is
2037 defined, otherwise parse a long double and convert to _Float128.
2039 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
2042 * include/std/iomanip (operator>>(basic_istream&, _Setfill)):
2043 Add deprecated attribute to non-standard overload.
2044 * doc/xml/manual/evolution.xml: Document deprecation.
2045 * doc/html/*: Regenerate.
2046 * testsuite/27_io/manipulators/standard/char/1.cc: Add
2047 dg-warning for expected deprecated warning.
2048 * testsuite/27_io/manipulators/standard/char/2.cc: Likewise.
2049 * testsuite/27_io/manipulators/standard/wchar_t/1.cc: Likewise.
2050 * testsuite/27_io/manipulators/standard/wchar_t/2.cc: Likewise.
2052 2023-05-30 Alexandre Oliva <oliva@adacore.com>
2054 * testsuite/20_util/from_chars/4.cc: Skip long double test06
2056 * testsuite/20_util/to_chars/long_double.cc: Xfail run on
2059 2023-05-30 Matthias Kretz <m.kretz@gsi.de>
2062 * include/experimental/bits/simd.h (to_native): Use int NTTP
2063 as specified in PTS2.
2064 (to_compatible): Likewise. Add missing tag to call mask
2066 * testsuite/experimental/simd/pr109822_cast_functions.cc: New
2069 2023-05-30 Matthias Kretz <m.kretz@gsi.de>
2071 * testsuite/experimental/simd/tests/integer_operators.cc:
2072 Compute expected value differently to avoid getting turned into
2075 2023-05-30 Matthias Kretz <m.kretz@gsi.de>
2077 * testsuite/experimental/simd/tests/operator_cvt.cc: Make long
2078 double <-> (u)long conversion tests conditional on sizeof(long
2079 double) and sizeof(long).
2081 2023-05-26 Matthias Kretz <m.kretz@gsi.de>
2083 * include/experimental/bits/simd_ppc.h (_S_bit_shift_left):
2084 Negative __y is UB, so prefer signed compare.
2086 2023-05-25 Jonathan Wakely <jwakely@redhat.com>
2088 * testsuite/util/testsuite_allocator.h (PointerBase): Add
2089 relational operators.
2091 2023-05-25 Alexandre Oliva <oliva@adacore.com>
2093 * testsuite/20_util/to_chars/long_double.cc: Expect execution
2094 fail on x86-vxworks.
2096 2023-05-24 Matthias Kretz <m.kretz@gsi.de>
2099 * include/experimental/bits/simd.h (__intrinsic_type): If
2100 __ALTIVEC__ is defined, map gnu::vector_size types to their
2101 corresponding __vector T types without losing unsignedness of
2102 integer types. Also prefer long long over long.
2103 * include/experimental/bits/simd_ppc.h (_S_popcount): Cast mask
2104 object to the expected unsigned vector type.
2106 2023-05-24 Matthias Kretz <m.kretz@gsi.de>
2109 * include/experimental/bits/simd.h (__intrinsic_type):
2110 Specialize __intrinsic_type<double, 8> and
2111 __intrinsic_type<double, 16> in any case, but provide the member
2112 type only with __aarch64__.
2114 2023-05-24 Matthias Kretz <m.kretz@gsi.de>
2117 * include/experimental/bits/simd_neon.h (_S_reduce): Add
2118 constexpr and make NEON implementation conditional on
2119 not __builtin_is_constant_evaluated.
2121 2023-05-23 Matthias Kretz <m.kretz@gsi.de>
2124 * include/experimental/bits/simd.h (_SimdWrapper::_M_set):
2125 Avoid vector builtin subscripting in constant expressions.
2126 (resizing_simd_cast): Avoid memcpy if constant_evaluated.
2127 (const_where_expression, where_expression, where)
2128 (__extract_part, simd_mask, _SimdIntOperators, simd): Add either
2129 _GLIBCXX_SIMD_CONSTEXPR (on public APIs), or constexpr (on
2131 * include/experimental/bits/simd_builtin.h (__vector_permute)
2132 (__vector_shuffle, __extract_part, _GnuTraits::_SimdCastType1)
2133 (_GnuTraits::_SimdCastType2, _SimdImplBuiltin)
2134 (_MaskImplBuiltin::_S_store): Add constexpr.
2135 (_CommonImplBuiltin::_S_store_bool_array)
2136 (_SimdImplBuiltin::_S_load, _SimdImplBuiltin::_S_store)
2137 (_SimdImplBuiltin::_S_reduce, _MaskImplBuiltin::_S_load): Add
2138 constant_evaluated case.
2139 * include/experimental/bits/simd_fixed_size.h
2140 (_S_masked_load): Reword comment.
2141 (__tuple_element_meta, __make_meta, _SimdTuple::_M_apply_r)
2142 (_SimdTuple::_M_subscript_read, _SimdTuple::_M_subscript_write)
2143 (__make_simd_tuple, __optimize_simd_tuple, __extract_part)
2144 (__autocvt_to_simd, _Fixed::__traits::_SimdBase)
2145 (_Fixed::__traits::_SimdCastType, _SimdImplFixedSize): Add
2147 (_SimdTuple::operator[], _M_set): Add constexpr and add
2148 constant_evaluated case.
2149 (_MaskImplFixedSize::_S_load): Add constant_evaluated case.
2150 * include/experimental/bits/simd_scalar.h: Add constexpr.
2151 * include/experimental/bits/simd_x86.h (_CommonImplX86): Add
2152 constexpr and add constant_evaluated case.
2153 (_SimdImplX86::_S_equal_to, _S_not_equal_to, _S_less)
2154 (_S_less_equal): Value-initialize to satisfy constexpr
2156 (_MaskImplX86::_S_load): Add constant_evaluated case.
2157 (_MaskImplX86::_S_store): Add constexpr and constant_evaluated
2158 case. Value-initialize local variables.
2159 (_MaskImplX86::_S_logical_and, _S_logical_or, _S_bit_not)
2160 (_S_bit_and, _S_bit_or, _S_bit_xor): Add constant_evaluated
2162 * testsuite/experimental/simd/pr109261_constexpr_simd.cc: New
2165 2023-05-22 Matthias Kretz <m.kretz@gsi.de>
2167 * include/experimental/bits/simd_builtin.h (_S_fpclassify): Move
2168 __infn into #ifdef'ed block.
2169 * testsuite/experimental/simd/tests/fpclassify.cc: Declare
2170 constants only when used.
2171 * testsuite/experimental/simd/tests/frexp.cc: Likewise.
2172 * testsuite/experimental/simd/tests/logarithm.cc: Likewise.
2173 * testsuite/experimental/simd/tests/trunc_ceil_floor.cc:
2175 * testsuite/experimental/simd/tests/ldexp_scalbn_scalbln_modf.cc:
2176 Move totest and expect1 into #ifdef'ed block.
2178 2023-05-19 Gerald Pfeifer <gerald@pfeifer.com>
2180 * doc/xml/manual/strings.xml: Move lafstern.org reference to https.
2181 * doc/html/manual/strings.html: Regenerate.
2183 2023-05-17 Jakub Jelinek <jakub@redhat.com>
2186 * testsuite/26_numerics/headers/cmath/constexpr_std_c++23.cc: New test.
2188 2023-05-17 Jakub Jelinek <jakub@redhat.com>
2191 * include/c_global/cmath (atan2, fmod, pow): Move
2192 __gnu_cxx::__promote_2 using templates after _Float{16,32,64,128} and
2193 __gnu_cxx::__bfloat16_t overloads.
2194 (copysign, fdim, fmax, fmin, hypot, nextafter, remainder, remquo):
2196 (fma): Move __gnu_cxx::__promote_3 using template after
2197 _Float{16,32,64,128} and __gnu_cxx::__bfloat16_t overloads.
2199 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
2201 * testsuite/18_support/headers/limits/synopsis.cc: Uncomment
2202 checks for float_round_style and float_denorm_style.
2204 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
2206 * include/bits/c++config: Add system_header pragma.
2208 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
2210 * include/std/expected (expected::and_then, expected::or_else)
2211 (expected::transform, expected::transform_error): Fix exception
2212 specifications as per LWG 3877.
2213 (expected<void, E>::and_then, expected<void, E>::transform):
2215 * testsuite/20_util/expected/lwg3877.cc: New test.
2217 2023-05-17 Ken Matsui <kmatsui@cs.washington.edu>
2219 * include/std/type_traits: Use __bool_constant instead of
2222 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
2224 * configure: Regenerate.
2226 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2229 * acinclude.m4 (GLIBCXX_CHECK_ALIGNAS_CACHELINE): Define.
2230 * config.h.in: Regenerate.
2231 * configure: Regenerate.
2232 * configure.ac: Use GLIBCXX_CHECK_ALIGNAS_CACHELINE.
2233 * src/c++11/shared_ptr.cc (__gnu_internal::get_mutex): Do not
2234 align lock table if not supported. use __GCC_DESTRUCTIVE_SIZE
2235 instead of hardcoded 64.
2237 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2239 * acinclude.m4 (GLIBCXX_USE_C99): Check for isblank in C++11
2240 mode and define _GLIBCXX_USE_C99_CTYPE. Check for <fenv.h>
2241 functions in C++11 mode and define _GLIBCXX_USE_C99_FENV.
2242 * config.h.in: Regenerate.
2243 * configure: Regenerate.
2244 * include/c_compatibility/fenv.h: Check _GLIBCXX_USE_C99_FENV
2245 instead of _GLIBCXX_USE_C99_FENV_TR1.
2246 * include/c_global/cfenv: Likewise.
2247 * include/c_global/cctype: Check _GLIBCXX_USE_C99_CTYPE instead
2248 of _GLIBCXX_USE_C99_CTYPE_TR1.
2250 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2252 * acinclude.m4 (GLIBCXX_USE_C99): Check for <stdint.h> types in
2253 C++11 mode and define _GLIBCXX_USE_C99_STDINT. Check for
2254 <inttypes.h> features in C++11 mode and define
2255 _GLIBCXX_USE_C99_INTTYPES and _GLIBCXX_USE_C99_INTTYPES_WCHAR_T.
2256 * config.h.in: Regenerate.
2257 * configure: Regenerate.
2258 * doc/doxygen/user.cfg.in (PREDEFINED): Add new macros.
2259 * include/bits/chrono.h: Check _GLIBCXX_USE_C99_STDINT instead
2260 of _GLIBCXX_USE_C99_STDINT_TR1.
2261 * include/c_compatibility/inttypes.h: Check
2262 _GLIBCXX_USE_C99_INTTYPES and _GLIBCXX_USE_C99_INTTYPES_WCHAR_T
2263 instead of _GLIBCXX_USE_C99_INTTYPES_TR1 and
2264 _GLIBCXX_USE_C99_INTTYPES_WCHAR_T_TR1.
2265 * include/c_compatibility/stdatomic.h: Check
2266 _GLIBCXX_USE_C99_STDINT instead of _GLIBCXX_USE_C99_STDINT_TR1.
2267 * include/c_compatibility/stdint.h: Likewise.
2268 * include/c_global/cinttypes: Check _GLIBCXX_USE_C99_INTTYPES
2269 and _GLIBCXX_USE_C99_INTTYPES_WCHAR_T instead of
2270 _GLIBCXX_USE_C99_INTTYPES_TR1 and
2271 _GLIBCXX_USE_C99_INTTYPES_WCHAR_T_TR1.
2272 * include/c_global/cstdint: Check _GLIBCXX_USE_C99_STDINT
2273 instead of _GLIBCXX_USE_C99_STDINT_TR1.
2274 * include/std/atomic: Likewise.
2275 * src/c++11/cow-stdexcept.cc: Likewise.
2276 * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc:
2278 * testsuite/lib/libstdc++.exp (check_v3_target_cstdint):
2281 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2283 * acinclude.m4 (GLIBCXX_USE_C99): Check for complex inverse trig
2284 functions in C++11 mode and define _GLIBCXX_USE_C99_COMPLEX_ARC.
2285 * config.h.in: Regenerate.
2286 * configure: Regenerate.
2287 * doc/doxygen/user.cfg.in (PREDEFINED): Add new macro.
2288 * include/std/complex: Check _GLIBCXX_USE_C99_COMPLEX_ARC
2289 instead of _GLIBCXX_USE_C99_COMPLEX_TR1.
2291 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2293 * testsuite/ext/debug_allocator/check_deallocate_null.cc: Add
2294 assertion to ensure expected exception is throw.
2296 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2298 * testsuite/libstdc++-prettyprinters/chrono.cc: Only test
2299 printer for chrono::zoned_time for cx11 ABI and tzdb effective
2302 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2304 * acinclude.m4 (GLIBCXX_CHECK_PTHREAD_MUTEX_CLOCKLOCK): Define
2305 _GLIBCXX_USE_PTHREAD_MUTEX_CLOCKLOCK in terms of _GLIBCXX_TSAN.
2306 * configure: Regenerate.
2308 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2310 * acinclude.m4 (GLIBCXX_CHECK_C99_TR1): Use a non-null pointer
2311 to check for nan, nanf, and nanl.
2312 * configure: Regenerate.
2314 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2316 * include/bits/char_traits.h (char_traits<char16_t>): Do not
2317 depend on _GLIBCXX_USE_C99_STDINT_TR1.
2318 (char_traits<char32_t>): Likewise.
2319 * include/experimental/source_location: Likewise.
2321 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2323 * include/std/atomic (atomic_int_least8_t, atomic_uint_least8_t)
2324 (atomic_int_least16_t, atomic_uint_least16_t)
2325 (atomic_int_least32_t, atomic_uint_least32_t)
2326 (atomic_int_least64_t, atomic_uint_least64_t)
2327 (atomic_int_fast16_t, atomic_uint_fast16_t)
2328 (atomic_int_fast32_t, atomic_uint_fast32_t)
2329 (atomic_int_fast64_t, atomic_uint_fast64_t)
2330 (atomic_intmax_t, atomic_uintmax_t): Define unconditionally.
2331 * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc: Adjust.
2333 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2335 * include/bits/algorithmfwd.h (shuffle): Do not depend on
2336 _GLIBCXX_USE_C99_STDINT_TR1.
2337 * include/bits/ranges_algo.h (shuffle): Likewise.
2338 * include/bits/stl_algo.h (shuffle): Likewise.
2339 * include/ext/random: Likewise.
2340 * include/ext/throw_allocator.h (random_condition): Likewise.
2341 * include/std/random: Likewise.
2342 * src/c++11/cow-string-inst.cc: Likewise.
2343 * src/c++11/random.cc: Likewise.
2345 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2347 * testsuite/experimental/feat-cxx14.cc: Remove dependency on
2348 _GLIBCXX_USE_C99_STDINT_TR1.
2350 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2352 * testsuite/22_locale/locale/cons/unicode.cc: Remove dependency
2353 on _GLIBCXX_USE_C99_STDINT_TR1.
2355 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2357 * testsuite/21_strings/basic_string_view/typedefs.cc: Remove
2358 dependency on _GLIBCXX_USE_C99_STDINT_TR1.
2359 * testsuite/experimental/string_view/typedefs.cc: Likewise.
2361 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
2363 * src/c++17/floating_from_chars.cc [USE_STRTOD_FOR_FROM_CHARS]
2364 (auto_locale, auto_ferounding): New class types.
2365 (from_chars_impl): Use auto_locale and auto_ferounding.
2367 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
2370 * include/std/chrono (hh_mm_ss::__fits): Remove variable
2372 (hh_mm_ss::__subseconds): Remove __fits from constraints.
2373 * testsuite/std/time/hh_mm_ss/109772.cc: New test.
2374 * testsuite/std/time/hh_mm_ss/1.cc: Adjust expected size for
2375 hh_mm_ss<duration<int, std::pico>>.
2377 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
2379 * config/abi/pre/gnu.ver: Export basic_string::_S_allocate.
2380 * include/bits/basic_ios.h: Add static assertion checking
2381 traits_type::value_type.
2382 * include/bits/basic_string.h: Likewise. Do not rebind
2383 allocator, and add static assertion checking its value_type.
2384 (basic_string::_Alloc_traits_impl): Remove class template.
2385 (basic_string::_S_allocate): New static member function.
2386 (basic_string::assign): Use _S_allocate.
2387 * include/bits/basic_string.tcc (basic_string::_M_create)
2388 (basic_string::reserve, basic_string::_M_replace): Likewise.
2389 * testsuite/21_strings/basic_string/requirements/explicit_instantiation/debug.cc:
2390 Disable for C++20 and later.
2391 * testsuite/21_strings/basic_string/requirements/explicit_instantiation/int.cc:
2394 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
2397 * include/bits/std_abs.h (abs(__float128)): Handle negative NaN
2398 and negative zero correctly.
2399 * testsuite/26_numerics/headers/cmath/109758.cc: New test.
2401 2023-05-10 François Dumont <fdumont@gcc.gnu.org>
2403 * include/bits/hashtable_policy.h
2404 (_NodeBuilder<>::_S_build): Use __node_ptr.
2405 (_ReuseOrAllocNode<>): Use __node_ptr in place of __node_type*.
2406 (_AllocNode<>): Likewise.
2407 (_Equality<>::_M_equal): Remove const_iterator usages. Only preserved
2408 to call std::is_permutation in the non-unique key implementation.
2409 * include/bits/hashtable.h (_Hashtable<>::_M_update_begin()): Capture
2411 (_Hashtable<>::_M_bucket_begin(size_type)): Implement implicitly inline.
2412 (_Hashtable<>::_M_insert_bucket_begin): Likewise.
2413 (_Hashtable<>::_M_remove_bucket_begin): Likewise.
2414 (_Hashtable<>::_M_compute_hash_code): Use __node_ptr rather than
2416 (_Hashtable<>::find): Likewise.
2417 (_Hashtable<>::_M_emplace): Likewise.
2418 (_Hashtable<>::_M_insert_unique): Likewise.
2420 2023-05-09 Jonathan Wakely <jwakely@redhat.com>
2422 * python/libstdcxx/v6/printers.py (StdChronoDurationPrinter):
2423 Print floating-point durations correctly.
2424 (StdChronoTimePointPrinter): Support printing only the value,
2425 not the type name. Uncomment handling for known clocks.
2426 (StdChronoZonedTimePrinter): Remove type names from output.
2427 (StdChronoCalendarPrinter): Fix hh_mm_ss member access.
2428 (StdChronoTimeZonePrinter): Add equals sign to output.
2429 * testsuite/libstdc++-prettyprinters/chrono.cc: New test.
2431 2023-05-05 Alexandre Oliva <oliva@adacore.com>
2433 * testsuite/20_util/from_chars/4.cc: Skip long double test06
2435 * testsuite/20_util/to_chars/long_double.cc: Xfail run on
2438 2023-05-04 Jonathan Wakely <jwakely@redhat.com>
2440 * doc/xml/manual/abi.xml (abi.versioning.history): Document
2441 libstdc++.so.6.0.32 and GLIBCXX_3.4.32 version.
2442 * doc/html/manual/abi.html: Regenerate.
2444 2023-05-04 Florian Weimer <fweimer@redhat.com>
2446 * doc/xml/manual/abi.xml (abi.versioning.history): Add
2447 GCC_7.0.0, GCC_9.0.0, GCC_11.0, GCC_12.0.0, GCC_13.0.0 for
2450 2023-05-03 Jakub Jelinek <jakub@redhat.com>
2452 * src/c++17/floating_from_chars.cc
2453 (_ZSt10from_charsPKcS0_RDF128_St12chars_format): New alias to
2454 _ZSt10from_charsPKcS0_Ru9__ieee128St12chars_format.
2455 * src/c++17/floating_to_chars.cc (_ZSt8to_charsPcS_DF128_): New alias to
2456 _ZSt8to_charsPcS_u9__ieee128.
2457 (_ZSt8to_charsPcS_DF128_St12chars_format): New alias to
2458 _ZSt8to_charsPcS_u9__ieee128St12chars_format.
2459 (_ZSt8to_charsPcS_DF128_St12chars_formati): New alias to
2460 _ZSt8to_charsPcS_u9__ieee128St12chars_formati.
2461 * config/abi/post/powerpc64le-linux-gnu/baseline_symbols.txt: Updated.
2463 2023-05-03 Jakub Jelinek <jakub@redhat.com>
2465 * configure.host (abi_baseline_pair): Use powerpc64le-linux-gnu
2466 rather than powerpc64-linux-gnu for powerpc64le*-linux*.
2467 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Remove
2468 _ZTI*DF128_, _ZTI*DF64x symbols and symbols in
2469 GLIBCXX_IEEE128_3.4.{29,30,31} and CXXABI_IEEE128_1.3.13 symbol
2471 * config/abi/post/powerpc64le-linux-gnu/baseline_symbols.txt: New
2474 2023-05-03 Kefu Chai <kefu.chai@scylladb.com>
2475 Jonathan Wakely <jwakely@redhat.com>
2478 * include/bits/basic_string.h (basic_string(Iter, Iter, Alloc)):
2479 Initialize _M_string_length.
2481 2023-05-02 Jakub Jelinek <jakub@redhat.com>
2483 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
2484 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
2485 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
2486 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
2487 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
2488 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
2489 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
2490 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2492 2023-05-02 Jakub Jelinek <jakub@redhat.com>
2495 * src/c++98/ios_init.cc: Add #pragma GCC diagnostic ignored for
2498 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
2500 * include/bits/random.h (gamma_distribution): Add to the right
2502 (discrete_distribution, piecewise_constant_distribution)
2503 (piecewise_linear_distribution): Create a new doxygen group and
2504 fix the incomplete doxygen comments.
2505 * include/bits/uniform_int_dist.h (uniform_int_distribution):
2506 Add to doxygen group.
2508 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
2510 * include/bits/uses_allocator.h: Add missing @file comment.
2511 * include/bits/regex.tcc: Remove stray doxygen comments.
2512 * include/experimental/memory_resource: Likewise.
2513 * include/std/bit: Tweak doxygen @cond comments.
2514 * include/std/expected: Likewise.
2515 * include/std/numbers: Likewise.
2517 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
2519 * doc/doxygen/user.cfg.in (STRIP_FROM_PATH): Remove prefixes
2522 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
2524 * include/bits/move.h: Simplify opening/closing namespace std.
2526 2023-04-28 Jakub Jelinek <jakub@redhat.com>
2529 * config/abi/pre/gnu.ver (GLIBCXX_3.4.32): Export
2530 _ZSt21ios_base_library_initv.
2531 * testsuite/util/testsuite_abi.cc (check_version): Add GLIBCXX_3.4.32
2532 symver and make it the latestp.
2533 * src/c++98/ios_init.cc (ios_base_library_init): New alias.
2534 * acinclude.m4 (libtool_VERSION): Change to 6:32:0.
2535 * include/std/iostream: If init_priority attribute is supported
2536 and _GLIBCXX_SYMVER_GNU, force undefined _ZSt21ios_base_library_initv
2537 symbol into the object.
2538 * configure: Regenerated.
2540 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2542 * include/bits/mofunc_impl.h: Fix typo in doxygen comment.
2543 * include/std/format: Likewise.
2545 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2547 * doc/doxygen/user.cfg.in (FORMULA_TRANSPARENT, DOT_FONTNAME)
2548 (DOT_FONTSIZE, DOT_TRANSPARENT): Remove obsolete options.
2550 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2552 * doc/doxygen/user.cfg.in (SOURCE_BROWSER): Only set to YES for
2554 * include/bits/gslice_array.h (_DEFINE_VALARRAY_OPERATOR): Omit
2556 * include/bits/indirect_array.h (_DEFINE_VALARRAY_OPERATOR):
2558 * include/bits/mask_array.h (_DEFINE_VALARRAY_OPERATOR):
2560 * include/bits/slice_array.h (_DEFINE_VALARRAY_OPERATOR):
2562 * include/std/valarray (_DEFINE_VALARRAY_UNARY_OPERATOR)
2563 (_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT)
2564 (_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT)
2565 (_DEFINE_BINARY_OPERATOR): Likewise.
2567 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2569 * include/bits/memory_resource.h: Improve doxygen comments.
2570 * include/std/memory_resource: Likewise.
2572 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2575 * include/bits/basic_string.h: Improve doxygen comments.
2576 * include/bits/cow_string.h: Likewise.
2577 * include/bits/forward_list.h: Likewise.
2578 * include/bits/fs_dir.h: Likewise.
2579 * include/bits/fs_path.h: Likewise.
2580 * include/bits/quoted_string.h: Likewise.
2581 * include/bits/stl_bvector.h: Likewise.
2582 * include/bits/stl_map.h: Likewise.
2583 * include/bits/stl_multimap.h: Likewise.
2584 * include/bits/stl_multiset.h: Likewise.
2585 * include/bits/stl_set.h: Likewise.
2586 * include/bits/stl_vector.h: Likewise.
2587 * include/bits/unordered_map.h: Likewise.
2588 * include/bits/unordered_set.h: Likewise.
2589 * include/std/filesystem: Likewise.
2590 * include/std/iomanip: Likewise.
2592 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2595 * src/c++11/random.cc (__throw_syserr): New function.
2596 (random_device::_M_init, random_device::_M_init_pretr1): Use new
2597 function for bad tokens.
2598 (random_device::_M_getval): Use new function for read errors.
2599 * testsuite/util/testsuite_random.h (random_device_available):
2600 Change catch handler to use std::system_error.
2602 2023-04-24 Patrick Palka <ppalka@redhat.com>
2604 * include/bits/max_size_type.h (__max_diff_type::operator>>=):
2605 Fix propagation of sign bit.
2606 * testsuite/std/ranges/iota/max_size_type.cc: Avoid using the
2607 non-standard 'signed typedef-name'. Add some compile-time tests
2608 for right-shifting a negative __max_diff_type value by more than
2611 2023-04-19 Patrick Palka <ppalka@redhat.com>
2612 Jonathan Wakely <jwakely@redhat.com>
2615 * include/bits/utility.h (_Nth_type): Conditionally define in
2616 terms of __type_pack_element if available.
2617 * testsuite/20_util/tuple/element_access/get_neg.cc: Prune
2618 additional errors from the new built-in.
2620 2023-04-19 Jonathan Wakely <jwakely@redhat.com>
2623 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2626 * src/Makefile.am: Move globals_io.cc to here.
2627 * src/Makefile.in: Regenerate.
2628 * src/c++98/Makefile.am: Remove globals_io.cc from here.
2629 * src/c++98/Makefile.in: Regenerate.
2630 * src/c++98/globals_io.cc [_GLIBCXX_SYMVER_GNU] (cin): Adjust
2631 symbol name and then export with GLIBCXX_3.4.31 symver.
2632 (cout, cerr, clog, wcin, wcout, wcerr, wclog): Likewise.
2633 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt:
2635 * config/abi/post/i486-linux-gnu/baseline_symbols.txt:
2637 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt:
2639 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt:
2641 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt:
2643 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt:
2645 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt:
2647 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt:
2649 * config/abi/pre/gnu.ver: Add iostream objects to new symver.
2651 2023-04-19 Jonathan Wakely <jwakely@redhat.com>
2654 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2657 * config/abi/pre/gnu.ver: Fix preprocessor condition.
2659 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2661 * doc/xml/manual/extensions.xml: Fix example to declare and
2662 qualify std::free, and use NULL instead of 0.
2663 * doc/html/manual/ext_demangling.html: Regenerate.
2664 * libsupc++/cxxabi.h: Adjust doxygen comments.
2666 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2669 * config/abi/pre/gnu.ver: Fix preprocessor condition.
2671 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2674 * src/Makefile.am: Move globals_io.cc to here.
2675 * src/Makefile.in: Regenerate.
2676 * src/c++98/Makefile.am: Remove globals_io.cc from here.
2677 * src/c++98/Makefile.in: Regenerate.
2678 * src/c++98/globals_io.cc [_GLIBCXX_SYMVER_GNU] (cin): Adjust
2679 symbol name and then export with GLIBCXX_3.4.31 symver.
2680 (cout, cerr, clog, wcin, wcout, wcerr, wclog): Likewise.
2681 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt:
2683 * config/abi/post/i486-linux-gnu/baseline_symbols.txt:
2685 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt:
2687 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt:
2689 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt:
2691 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt:
2693 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt:
2695 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt:
2697 * config/abi/pre/gnu.ver: Add iostream objects to new symver.
2699 2023-04-18 Patrick Palka <ppalka@redhat.com>
2702 * include/bits/ranges_cmp.h (__cpp_lib_ranges): Bump value
2704 * include/std/ranges (range_adaptor_closure): Define for C++23.
2705 * include/std/version (__cpp_lib_ranges): Bump value for
2707 * testsuite/std/ranges/version_c++23.cc: Bump expected value
2708 of __cpp_lib_ranges.
2709 * testsuite/std/ranges/range_adaptor_closure.cc: New test.
2711 2023-04-18 Patrick Palka <ppalka@redhat.com>
2713 * include/bits/ranges_algo.h (__cpp_lib_ranges_contains):
2715 (__cpp_lib_ranges_iota): Likewise.
2716 (__cpp_lib_ranges_find_last): Likewise.
2717 (__cpp_lib_fold): Rename to ...
2718 (__cpp_lib_ranges_fold): ... this.
2719 * include/std/version: As above.
2720 * testsuite/25_algorithms/fold_left/1.cc: Adjust after
2721 renaming __cpp_lib_fold.
2722 * testsuite/std/ranges/version_c++23.cc: Verify values
2723 of the above feature-test macros.
2725 2023-04-18 Patrick Palka <ppalka@redhat.com>
2728 * include/std/ranges (views::_AsConst::operator()): Add
2729 missing const to constant_range test.
2730 * testsuite/std/ranges/adaptors/as_const/1.cc (test02):
2731 Improve formatting. Adjust expected type of v2.
2734 2023-04-14 Patrick Palka <ppalka@redhat.com>
2736 * include/bits/ranges_base.h (const_iterator_t): Define for C++23.
2737 (const_sentinel_t): Likewise.
2738 (range_const_reference_t): Likewise.
2739 (constant_range): Likewise.
2740 (__cust_access::__possibly_const_range): Likewise, replacing ...
2741 (__cust_access::__as_const): ... this.
2742 (__cust_access::_CBegin::operator()): Redefine for C++23 as per P2278R4.
2743 (__cust_access::_CEnd::operator()): Likewise.
2744 (__cust_access::_CRBegin::operator()): Likewise.
2745 (__cust_access::_CREnd::operator()): Likewise.
2746 (__cust_access::_CData::operator()): Likewise.
2747 * include/bits/ranges_util.h (ranges::__detail::__different_from):
2748 Make it an alias of std::__detail::__different_from.
2749 (view_interface::cbegin): Define for C++23.
2750 (view_interface::cend): Likewise.
2751 * include/bits/stl_iterator.h (__detail::__different_from): Define.
2752 (iter_const_reference_t): Define for C++23.
2753 (__detail::__constant_iterator): Likewise.
2754 (__detail::__is_const_iterator): Likewise.
2755 (__detail::__not_a_const_iterator): Likewise.
2756 (__detail::__iter_const_rvalue_reference_t): Likewise.
2757 (__detail::__basic_const_iter_cat):: Likewise.
2758 (const_iterator): Likewise.
2759 (__detail::__const_sentinel): Likewise.
2760 (const_sentinel): Likewise.
2761 (basic_const_iterator): Likewise.
2762 (common_type<basic_const_iterator<_Tp>, _Up>): Likewise.
2763 (common_type<_Up, basic_const_iterator<_Tp>>): Likewise.
2764 (common_type<basic_const_iterator<_Tp>, basic_const_iterator<Up>>):
2766 (make_const_iterator): Define for C++23.
2767 (make_const_sentinel): Likewise.
2768 * include/std/ranges (__cpp_lib_ranges_as_const): Likewise.
2769 (as_const_view): Likewise.
2770 (enable_borrowed_range<as_const_view>): Likewise.
2771 (views::__detail::__is_ref_view): Likewise.
2772 (views::__detail::__can_is_const_view): Likewise.
2773 (views::_AsConst, views::as_const): Likewise.
2774 * include/std/span (span::const_iterator): Likewise.
2775 (span::const_reverse_iterator): Likewise.
2776 (span::cbegin): Likewise.
2777 (span::cend): Likewise.
2778 (span::crbegin): Likewise.
2779 (span::crend): Likewise.
2780 * include/std/version (__cpp_lib_ranges_as_const): Likewise.
2781 * testsuite/std/ranges/adaptors/join.cc (test06): Adjust to
2782 behave independently of C++20 vs C++23.
2783 * testsuite/std/ranges/version_c++23.cc: Verify value of
2784 __cpp_lib_ranges_as_const macro.
2785 * testsuite/24_iterators/const_iterator/1.cc: New test.
2786 * testsuite/std/ranges/adaptors/as_const/1.cc: New test.
2788 2023-04-14 Patrick Palka <ppalka@redhat.com>
2790 * include/bits/ranges_base.h (__cust_access::__as_const)
2791 (__cust_access::_CBegin, __cust::cbegin)
2792 (__cust_access::_CEnd, __cust::cend)
2793 (__cust_access::_CRBegin, __cust::crbegin)
2794 (__cust_access::_CREnd, __cust::crend)
2795 (__cust_access::_CData, __cust::cdata): Move down definitions to
2796 shortly after the definition of input_range.
2798 2023-04-14 Patrick Palka <ppalka@redhat.com>
2800 * include/bits/ranges_algo.h: Include <optional> for C++23.
2801 (__cpp_lib_fold): Define for C++23.
2802 (in_value_result): Likewise.
2803 (__detail::__flipped): Likewise.
2804 (__detail::__indirectly_binary_left_foldable_impl): Likewise.
2805 (__detail::__indirectly_binary_left_foldable): Likewise.
2806 (___detail:__indirectly_binary_right_foldable): Likewise.
2807 (fold_left_with_iter_result): Likewise.
2808 (__fold_left_with_iter_fn, fold_left_with_iter): Likewise.
2809 (__fold_left_fn, fold_left): Likewise.
2810 (__fold_left_first_with_iter_fn, fold_left_first_with_iter):
2812 (__fold_left_first_fn, fold_left_first): Likewise.
2813 (__fold_right_fn, fold_right): Likewise.
2814 (__fold_right_last_fn, fold_right_last): Likewise.
2815 * include/std/version (__cpp_lib_fold): Likewise.
2816 * testsuite/25_algorithms/fold_left/1.cc: New test.
2817 * testsuite/25_algorithms/fold_right/1.cc: New test.
2819 2023-04-14 Jonathan Wakely <jwakely@redhat.com>
2821 * include/std/format (formatter): Add comment to deleted default
2822 constructor of primary template.
2823 (_Checking_scanner): Add static_assert.
2825 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
2827 * doc/xml/manual/using.xml: Document libstdc++exp.a library.
2828 * doc/html/*: Regenerate.
2830 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
2832 * testsuite/17_intro/names.cc [_AIX]: Do not define policy.
2833 * testsuite/19_diagnostics/error_code/cons/lwg3629.cc: Rename
2834 namespace to avoid clashing with libc struct.
2835 * testsuite/19_diagnostics/error_condition/cons/lwg3629.cc:
2837 * testsuite/23_containers/unordered_map/96088.cc: Skip on AIX.
2838 * testsuite/23_containers/unordered_multimap/96088.cc: Likewise.
2839 * testsuite/23_containers/unordered_multiset/96088.cc: Likewise.
2840 * testsuite/23_containers/unordered_set/96088.cc: Likewise.
2841 * testsuite/experimental/synchronized_value.cc: Require gthreads
2842 and add missing option for pthreads targets.
2844 2023-04-12 Patrick Palka <ppalka@redhat.com>
2846 * include/std/ranges (__cpp_lib_ranges_enumerate): Define
2848 (__detail::__range_with_movable_reference): Likewise.
2849 (enumerate_view): Likewise.
2850 (enumerate_view::_Iterator): Likewise.
2851 (enumerate_view::_Sentinel): Likewise.
2852 (views::__detail::__can_enumerate_view): Likewise.
2853 (views::_Enumerate, views::enumerate): Likewise.
2854 * include/std/version (__cpp_lib_ranges_enumerate): Likewise.
2855 * testsuite/std/ranges/version_c++23.cc: Verify value of
2856 __cpp_lib_ranges_enumerate.
2857 * testsuite/std/ranges/adaptors/enumerate/1.cc: New test.
2859 2023-04-12 Patrick Palka <ppalka@redhat.com>
2861 * include/std/ranges (lazy_split_view::_OuterIter::_OuterIter):
2862 Propagate _M_trailing_empty in the const-converting constructor
2864 * testsuite/std/ranges/adaptors/adjacent/1.cc (test04): Correct
2866 * testsuite/std/ranges/adaptors/lazy_split.cc (test12): New test.
2868 2023-04-12 Patrick Palka <ppalka@redhat.com>
2870 * src/c++17/floating_from_chars.cc: Include <algorithm>,
2871 <iterator>, <limits> and <cstdint>.
2873 2023-04-12 Patrick Palka <ppalka@redhat.com>
2876 * include/std/ranges (chunk_by_view::_M_find_next): Generalize
2877 parameter types of the lambda wrapper passed to adjacent_find.
2878 (chunk_by_view::_M_find_prev): Likewise.
2879 * testsuite/std/ranges/adaptors/chunk_by/1.cc (test04, test05):
2882 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
2885 * include/experimental/internet (basic_endpoint::basic_endpoint()):
2886 Ensure that the required union members are active. Only define
2887 as constexpr for C++20 and later.
2888 (basic_endpoint::basic_endpoint(const protocol_type&, port_type)):
2890 * testsuite/experimental/net/internet/endpoint/cons.cc: Only
2891 check constexpr default constructor for C++20 and later.
2892 * testsuite/experimental/net/internet/endpoint/extensible.cc:
2895 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
2897 * src/c++20/tzdata.zi: Import new file from 2023c release.
2899 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
2901 * include/precompiled/stdc++.h (C++17): Don't double-include
2902 <charconv>, once with wrong conditions.
2903 * testsuite/18_support/96817.cc: Require hosted.
2904 * testsuite/18_support/bad_exception/59392.cc: Ditto.
2905 * testsuite/20_util/scoped_allocator/108952.cc: Ditto.
2906 * testsuite/20_util/uses_allocator/lwg3527.cc: Ditto.
2907 * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
2910 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
2912 * include/bits/c++config: When __STDC_HOSTED__ is zero,
2913 disable _GLIBCXX_DEBUG and, if it was set, enable
2914 _GLIBCXX_ASSERTIONS.
2915 * testsuite/lib/libstdc++.exp (check_v3_target_debug_mode):
2916 Include <bits/c++config.h> when determining whether debug is
2917 set, in order to inherit the logic from above
2919 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
2921 * testsuite/17_intro/versionconflict.cc: New test.
2922 * include/std/version: Allow disabling the system_header pragma
2923 via _GLIBCXX_TESTING_SYSHDR.
2925 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
2927 * include/bits/unique_ptr.h (__cpp_lib_constexpr_memory):
2928 Synchronize the definition block with...
2929 * include/bits/ptr_traits.h (__cpp_lib_constexpr_memory):
2930 ... this one here. Also define the 202202L value, rather than
2931 leaving it up to purely unique_ptr.h, so that the value is
2932 synchronized across all headers.
2933 (__gnu_debug::_Safe_iterator_base): Move into new conditional
2935 * include/std/memory (__cpp_lib_atomic_value_initialization):
2936 Define on freestanding under the same conditions as in
2938 * include/std/version (__cpp_lib_robust_nonmodifying_seq_ops):
2939 Also define on freestanding.
2940 (__cpp_lib_to_chars): Ditto.
2941 (__cpp_lib_gcd): Ditto.
2942 (__cpp_lib_gcd_lcm): Ditto.
2943 (__cpp_lib_raw_memory_algorithms): Ditto.
2944 (__cpp_lib_array_constexpr): Ditto.
2945 (__cpp_lib_nonmember_container_access): Ditto.
2946 (__cpp_lib_clamp): Ditto.
2947 (__cpp_lib_constexpr_char_traits): Ditto.
2948 (__cpp_lib_constexpr_string): Ditto.
2949 (__cpp_lib_sample): Ditto.
2950 (__cpp_lib_lcm): Ditto.
2951 (__cpp_lib_constexpr_iterator): Ditto.
2952 (__cpp_lib_constexpr_char_traits): Ditto.
2953 (__cpp_lib_interpolate): Ditto.
2954 (__cpp_lib_constexpr_utility): Ditto.
2955 (__cpp_lib_shift): Ditto.
2956 (__cpp_lib_ranges): Ditto.
2957 (__cpp_lib_move_iterator_concept): Ditto.
2958 (__cpp_lib_constexpr_numeric): Ditto.
2959 (__cpp_lib_constexpr_functional): Ditto.
2960 (__cpp_lib_constexpr_algorithms): Ditto.
2961 (__cpp_lib_constexpr_tuple): Ditto.
2962 (__cpp_lib_constexpr_memory): Ditto.
2964 2023-04-05 John David Anglin <danglin@gcc.gnu.org>
2966 * testsuite/22_locale/locale/cons/12658_thread-2.cc: Double
2967 timeout factor on hppa*-*-*.
2969 2023-04-05 Jonathan Wakely <jwakely@redhat.com>
2971 * include/bits/regex.h (sub_match::swap): New function.
2972 * testsuite/28_regex/sub_match/lwg3204.cc: New test.
2974 2023-04-04 Jonathan Wakely <jwakely@redhat.com>
2976 * doc/xml/manual/extensions.xml: Remove std::bad_exception from
2978 * doc/html/manual/ext_demangling.html: Regenerate.
2980 2023-03-31 Jonathan Wakely <jwakely@redhat.com>
2982 PR tree-optimization/107087
2983 * include/bits/cow_string.h (basic_string::size()): Add
2984 optimizer hint that _S_empty_rep()._M_length is always zero.
2985 (basic_string::length()): Call size().
2987 2023-03-31 Jonathan Wakely <jwakely@redhat.com>
2990 * include/std/stop_token (_Stop_state_ptr(const stop_source&)):
2991 Add attribute access with access-mode 'none'.
2992 * testsuite/30_threads/stop_token/stop_source/109339.cc: New test.
2994 2023-03-31 Jonathan Wakely <jwakely@redhat.com>
2996 * include/experimental/internet (ip::basic_endpoint::_M_if_v6):
2997 Revert change from member function to data member. Fix for
2998 constant evaluation by detecting which union member is active.
2999 (ip::basic_endpoint::resize): Revert changes to update _M_is_v6
3002 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
3005 * testsuite/20_util/optional/monadic/pr109340.cc: Moved to...
3006 * testsuite/20_util/optional/monadic/pr109242.cc: ...here.
3008 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
3010 * include/experimental/internet (ip::make_address): Implement
3012 (ip::address_v4::broadcast()): Avoid undefined shift.
3013 (ip::basic_endpoint): Fix member functions for constexpr.
3014 (ip::basic_endpoint::_M_is_v6): Replace member function with
3015 data member, adjust member functions using it.
3016 (ip::basic_endpoint::resize): Update _M_is_v6 based on sockaddr
3018 * testsuite/experimental/net/internet/address/v4/cons.cc: Fix
3019 constexpr checks to work in C++14.
3020 * testsuite/experimental/net/internet/address/v4/creation.cc:
3022 * testsuite/experimental/net/internet/endpoint/cons.cc:
3024 * testsuite/experimental/net/internet/network/v4/cons.cc:
3026 * testsuite/experimental/net/internet/network/v4/members.cc:
3028 * testsuite/experimental/net/internet/endpoint/extensible.cc: New test.
3030 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
3032 * include/std/expected (expected::value() &): Use const lvalue
3033 for unex member passed to bad_expected_access constructor, as
3036 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
3039 * include/std/expected (expected::transform): Use
3040 std::remove_cv_t instead of std::remove_cvref_t.
3041 (expected::transform_error): Likewise.
3042 (expected<cv void, E>::transform): Likewise.
3043 (expected<cv void, E>::transform_error): Likewise.
3044 * include/std/optional (transform): Use std::remove_cv_t.
3045 * testsuite/20_util/optional/monadic/pr109340.cc: New test.
3047 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
3049 * include/std/optional (optional): Adjust static assertion to
3050 reject arrays and functions as well as references.
3051 * testsuite/20_util/optional/requirements_neg.cc: New test.
3053 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
3056 * include/bits/istream.tcc (istream::_M_extract(ValueT&)): Use
3057 std::use_facet instead of cached _M_num_get facet.
3058 (istream::operator>>(short&)): Likewise.
3059 (istream::operator>>(int&)): Likewise.
3060 * include/bits/ostream.tcc (ostream::_M_insert(ValueT)): Use
3061 std::use_facet instead of cached _M_num_put facet.
3063 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
3065 * include/bits/char_traits.h (char_traits::copy): Return without
3066 using memcpy if n==0.
3067 (char_traits::assign): Likewise for memset.
3069 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
3072 * include/bits/basic_string.h (basic_string::_M_is_local()): Add
3073 hint for compiler that local strings fit in the local buffer.
3075 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
3078 * include/std/chrono (__detail::__get_leap_second_info): Update
3079 expiry date of hardcoded leapseconds list.
3080 * src/c++20/tzdb.cc (tzdb_list::_Node::_S_read_leap_seconds()):
3082 * src/c++20/tzdata.zi: Import new file from 2023a release.
3083 * testsuite/std/time/time_zone/get_info_local.cc: Only check
3084 transitions for Egypt up to 2014.
3086 2023-03-28 Matthias Kretz <m.kretz@gsi.de>
3088 * include/experimental/bits/simd.h (is_simd_flag_type): New.
3089 (_IsSimdFlagType): New.
3090 (copy_from, copy_to, load ctors): Constrain _Flags using
3093 2023-03-28 Matthias Kretz <m.kretz@gsi.de>
3095 * include/experimental/bits/simd_x86.h (_SimdImplX86): Use
3096 _Base::_S_divides if the optimized _S_divides function is hidden
3097 via the preprocessor.
3099 2023-03-27 Jakub Jelinek <jakub@redhat.com>
3101 * testsuite/experimental/net/timer/waitable/dest.cc: Avoid -Wformat
3102 warning if size_t is not unsigned long.
3104 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3106 * include/bits/shared_ptr_atomic.h (atomic::operator=(nullptr_t)):
3107 Add overload, as per LWG 3893.
3108 * testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc:
3109 Check assignment from nullptr.
3111 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3113 * include/std/format (formatter<const charT[N], charT>): Do not
3114 define partial speclialization, as per LWG 3833.
3115 * testsuite/std/format/formatter/requirements.cc: Check it.
3117 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3119 * include/std/utility (__cpp_lib_constexpr_algorithms): Define,
3121 * testsuite/20_util/exchange/constexpr.cc: Check for it.
3123 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3125 * include/std/version (__cpp_lib_format): Define.
3126 * testsuite/std/format/functions/format.cc: Check it.
3128 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3130 * include/bits/basic_string.tcc (basic_string::resize_and_overwrite):
3131 Pass rvalues to the callback, as now allowed by LWG 3645.
3132 Enforce preconditions on the return value.
3133 * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
3136 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3138 * include/std/format: Add a comment noting that the resolution
3139 of LWG 3720 has been applied..
3141 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3143 * include/bits/regex.h (match_results): Add allocator-extended
3144 copy and move constructors, as per LWG 2195.
3145 * testsuite/28_regex/match_results/ctors/char/alloc.cc: New test.
3147 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3149 * include/bits/stream_iterator.h (istream_iterator): Add
3150 constexpr to copy constructor, as per LWG 3600.
3151 * testsuite/24_iterators/istream_iterator/cons/constexpr.cc:
3152 Check copy construction.
3154 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
3156 * include/experimental/bits/simd_x86.h
3157 (_SimdImplX86::_S_divides): Replace test for __GCC_IEC_559 == 0
3158 with __RECIPROCAL_MATH__.
3160 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
3162 * include/experimental/bits/simd_detail.h: Don't define
3163 _GLIBCXX_SIMD_WORKAROUND_PR90993 for Clang.
3164 * include/experimental/bits/simd_x86.h (_S_divides): Remove
3165 check for __clang__.
3167 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
3169 * include/experimental/bits/simd_detail.h: Don't declare the
3170 simd API as constexpr with Clang.
3171 * include/experimental/bits/simd_x86.h (__movm): New.
3172 (_S_blend_avx512): Resolve FIXME. Implement blend using __movm
3174 (_SimdImplX86::_S_masked_unary): Clang does not implement the
3175 same builtins. Implement the function using __movm, ?:, and -
3176 operators on vector_size types instead.
3178 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
3180 * testsuite/experimental/simd/tests/operators.cc: Clang doesn't
3181 define __GCC_IEC_559. Use __STDC_IEC_559__ instead.
3183 2023-03-20 Jonathan Wakely <jwakely@redhat.com>
3185 * src/filesystem/ops-common.h (get_temp_directory_from_env): Fix
3188 2023-03-20 Marek Polacek <polacek@redhat.com>
3191 * testsuite/20_util/pair/cons/explicit_construct.cc: Adjust dg-error.
3192 * testsuite/20_util/tuple/cons/explicit_construct.cc: Likewise.
3193 * testsuite/23_containers/span/explicit.cc: Likewise.
3195 2023-03-20 Jonathan Wakely <jwakely@redhat.com>
3198 * include/std/expected (expected<void>::expected(in_place_t)):
3199 Remove template-head.
3201 2023-03-18 Jonathan Wakely <jwakely@redhat.com>
3204 * testsuite/18_support/coroutines/hash.cc: Use const object
3207 2023-03-17 Jonathan Wakely <jwakely@redhat.com>
3210 * include/std/coroutine (hash<>::operator()): Add const.
3211 * testsuite/18_support/coroutines/hash.cc: New test.
3213 2023-03-14 Patrick Palka <ppalka@redhat.com>
3216 * include/std/ranges (repeat_view): Remove redundant parentheses
3218 (repeat_view::_Iterator): Correct the requires-clause.
3220 2023-03-14 Patrick Palka <ppalka@redhat.com>
3222 * include/bits/stl_iterator.h (move_iterator::_S_iter_concept):
3224 (__cpp_lib_move_iterator_concept): Define for C++20.
3225 (move_iterator::iterator_concept): Strengthen as per P2520R0.
3226 * include/std/version (__cpp_lib_move_iterator_concept): Define
3228 * testsuite/24_iterators/move_iterator/p2520r0.cc: New test.
3230 2023-03-14 Patrick Palka <ppalka@redhat.com>
3232 * include/bits/ranges_util.h (view_interface::empty): Add
3233 preferred overloads that use ranges::size when the range is
3234 sized as per LWG 3715.
3235 * testsuite/std/ranges/adaptors/lwg3715.cc: New test.
3237 2023-03-14 Jonathan Wakely <jwakely@redhat.com>
3239 * include/bits/chrono.h (__is_duration_v, __is_time_point_v):
3240 Only define for C++17 and later.
3242 2023-03-14 Jonathan Wakely <jwakely@redhat.com>
3244 * src/Makefile.am: Add comment about linker script fragments.
3245 * src/Makefile.in: Regenerate.
3247 2023-03-14 Jonathan Wakely <jwakely@redhat.com>
3250 * include/bits/mask_array.h (mask_array): Add assertions to
3251 assignment operators.
3252 * include/std/valarray (valarray::operator[](valarray<bool>)):
3254 * testsuite/26_numerics/valarray/mask-1_neg.cc: New test.
3255 * testsuite/26_numerics/valarray/mask-2_neg.cc: New test.
3256 * testsuite/26_numerics/valarray/mask-3_neg.cc: New test.
3257 * testsuite/26_numerics/valarray/mask-4_neg.cc: New test.
3258 * testsuite/26_numerics/valarray/mask-5_neg.cc: New test.
3259 * testsuite/26_numerics/valarray/mask-6_neg.cc: New test.
3260 * testsuite/26_numerics/valarray/mask-7_neg.cc: New test.
3261 * testsuite/26_numerics/valarray/mask-8_neg.cc: New test.
3262 * testsuite/26_numerics/valarray/mask.cc: New test.
3264 2023-03-13 Jakub Jelinek <jakub@redhat.com>
3266 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
3267 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3269 2023-03-13 Jonathan Wakely <jwakely@redhat.com>
3271 * doc/Makefile.am: Add comment referring to documentation.
3272 * doc/Makefile.in: Regenerate.
3274 2023-03-13 Jonathan Wakely <jwakely@redhat.com>
3276 * doc/html/*: Regenerate.
3278 2023-03-13 Jonny Grant <jg@jguk.org>
3280 * doc/xml/faq.xml: Update copyright year.
3282 2023-03-13 Jonathan Wakely <jwakely@redhat.com>
3284 * include/bits/allocator.h: Fix typo in comment.
3286 2023-03-12 Jakub Jelinek <jakub@redhat.com>
3288 * config/abi/pre/gnu.ver (CXXABI_1.3.14): Also export __bf16 tinfos
3289 if it isn't mangled as DF16b but u6__bf16.
3291 2023-03-12 Gerald Pfeifer <gerald@pfeifer.com>
3293 * doc/xml/manual/documentation_hacking.xml: Move www.graphviz.org
3295 * doc/html/manual/documentation_hacking.html: Regenerate.
3297 2023-03-10 Jonathan Wakely <jwakely@redhat.com>
3300 * python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker):
3301 Remove self-recursion in __init__. Add missing _supports.
3302 * testsuite/libstdc++-xmethods/shared_ptr.cc: Check use_count()
3305 2023-03-09 Patrick Palka <ppalka@redhat.com>
3307 * include/std/ranges
3308 (cartesian_product_view::_Iterator::_Iterator): Remove
3309 constraint on default constructor as per LWG 3849.
3310 (cartesian_product_view::_Iterator::_M_prev): Adjust position
3311 of _Nm > 0 test as per LWG 3820.
3312 (cartesian_product_view::_Iterator::_M_advance): Perform bounds
3313 checking only on sized cartesian products.
3314 * testsuite/std/ranges/cartesian_product/1.cc (test08): New test.
3316 2023-03-09 Patrick Palka <ppalka@redhat.com>
3319 * include/std/ranges (chunk_by_view::_M_pred): Remove DMI as per
3321 (repeat_view::_M_pred): Likewise.
3322 * testsuite/std/ranges/adaptors/chunk_by/1.cc (test03): New test.
3323 * testsuite/std/ranges/repeat/1.cc (test05): New test.
3325 2023-03-09 Patrick Palka <ppalka@redhat.com>
3328 * include/std/ranges (__detail::__can_single_view): New concept.
3329 (_Single::operator()): Constrain it. Move [[nodiscard]] to the
3330 end of the function declarator.
3331 (__detail::__can_iota_view): New concept.
3332 (_Iota::operator()): Constrain it. Move [[nodiscard]] to the
3333 end of the function declarator.
3334 (__detail::__can_istream_view): New concept.
3335 (_Istream::operator()): Constrain it. Move [[nodiscard]] to the
3336 end of the function declarator.
3337 * testsuite/std/ranges/iota/iota_view.cc (test07): New test.
3338 * testsuite/std/ranges/istream_view.cc (test08): New test.
3339 * testsuite/std/ranges/single_view.cc (test07): New test.
3341 2023-03-09 Patrick Palka <ppalka@redhat.com>
3344 * include/std/ranges (cartesian_product_view::end): When
3345 building the tuple of iterators, avoid calling ranges::begin on
3346 the first range if __empty_tail is false.
3347 * testsuite/std/ranges/cartesian_product/1.cc (test07): New test.
3349 2023-03-09 Jonathan Wakely <jwakely@redhat.com>
3352 * config/os/gnu-linux/ldbl-ieee128-extra.ver: Fix incorrect
3355 2023-03-07 Jakub Jelinek <jakub@redhat.com>
3357 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3358 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
3359 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
3360 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
3361 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
3363 2023-03-07 Jonathan Wakely <jwakely@redhat.com>
3366 * config/abi/pre/gnu.ver (GLIBCXX_3.4.31): Adjust patterns to
3367 not match symbols in namespace std::__gnu_cxx11_ieee128.
3368 * config/os/gnu-linux/ldbl-ieee128-extra.ver: Add patterns for
3369 std::__gnu_cxx11_ieee128::money_{get,put}.
3371 2023-03-07 Jonathan Wakely <jwakely@redhat.com>
3373 * libsupc++/eh_personality.cc: Fix spelling in comment.
3375 2023-03-03 Alexandre Oliva <oliva@adacore.com>
3377 * testsuite/30_threads/async/async.cc (test04): Initialize
3378 steady_start, renamed from steady_begin, next to slow_start.
3379 Increase tolerance for final wait.
3381 2023-03-03 Alexandre Oliva <oliva@adacore.com>
3383 * testsuite/libstdc++-prettyprinters/80276.cc: Add
3384 std::string to debug info.
3385 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
3387 2023-03-03 Alexandre Oliva <oliva@adacore.com>
3392 * include/bits/std_thread.h (thread::_M_thread_deps): New
3393 static implicitly-inline member function.
3394 (std::thread template ctor): Pass it to _M_start_thread.
3395 * src/c++11/thread.cc (thread::_M_start_thread): Name depend
3396 parameter, force it live on entry.
3398 2023-03-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3400 * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
3401 * config/abi/post/i386-solaris/amd64/baseline_symbols.txt:
3403 * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
3404 * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
3407 2023-03-01 Jonathan Wakely <jwakely@redhat.com>
3409 * include/bits/cow_string.h: Fix typo in comment.
3411 2023-03-01 Jonathan Wakely <jwakely@redhat.com>
3413 * src/c++20/tzdb.cc (chrono::tzdb::current_zone()) Use "UTC" if
3414 current time zone cannot be determined.
3415 * testsuite/std/time/tzdb/1.cc: Remove conditions based on
3416 HAVE_TZDB macro and test all members unconditionally.
3418 2023-02-28 Jonathan Wakely <jwakely@redhat.com>
3421 * include/bits/uses_allocator_args.h
3422 (uses_allocator_construction_args): Implement LWG 3527.
3423 * testsuite/20_util/pair/astuple/get-2.cc: New test.
3424 * testsuite/20_util/scoped_allocator/108952.cc: New test.
3425 * testsuite/20_util/uses_allocator/lwg3527.cc: New test.
3427 2023-02-28 Jonathan Wakely <jwakely@redhat.com>
3430 * include/bits/stl_algobase.h (__copy_move<false, false, RA>)
3431 Add __assign_one static member function.
3432 (__copy_move<true, false, RA>): Likewise.
3433 (__copy_move<IsMove, true, RA>): Do not use memmove for a single
3435 (__copy_move_backward<IsMove, true, RA>): Likewise.
3436 * testsuite/25_algorithms/copy/108846.cc: New test.
3437 * testsuite/25_algorithms/copy_backward/108846.cc: New test.
3438 * testsuite/25_algorithms/copy_n/108846.cc: New test.
3439 * testsuite/25_algorithms/move/108846.cc: New test.
3440 * testsuite/25_algorithms/move_backward/108846.cc: New test.
3442 2023-02-28 Jonathan Wakely <jwakely@redhat.com>
3444 * src/c++11/codecvt.cc: Add [[likely]] and [[unlikely]]
3447 2023-02-27 Jonathan Wakely <jwakely@redhat.com>
3449 * include/bits/basic_ios.h (basic_ios::_M_setstate): Add
3451 * include/bits/basic_string.h (resize_and_overwrite): Add
3454 2023-02-24 Matthias Kretz <m.kretz@gsi.de>
3456 * include/experimental/bits/simd.h: Line breaks and indenting
3457 fixed to follow the libstdc++ standard.
3458 * include/experimental/bits/simd_builtin.h: Likewise.
3459 * include/experimental/bits/simd_fixed_size.h: Likewise.
3460 * include/experimental/bits/simd_neon.h: Likewise.
3461 * include/experimental/bits/simd_ppc.h: Likewise.
3462 * include/experimental/bits/simd_scalar.h: Likewise.
3463 * include/experimental/bits/simd_x86.h: Likewise.
3465 2023-02-24 Matthias Kretz <m.kretz@gsi.de>
3468 * include/experimental/bits/simd_fixed_size.h
3469 (_SimdImplFixedSize::_S_broadcast): Replace inline with
3470 _GLIBCXX_SIMD_INTRINSIC.
3471 (_SimdImplFixedSize::_S_generate): Likewise.
3472 (_SimdImplFixedSize::_S_load): Likewise.
3473 (_SimdImplFixedSize::_S_masked_load): Likewise.
3474 (_SimdImplFixedSize::_S_store): Likewise.
3475 (_SimdImplFixedSize::_S_masked_store): Likewise.
3476 (_SimdImplFixedSize::_S_min): Likewise.
3477 (_SimdImplFixedSize::_S_max): Likewise.
3478 (_SimdImplFixedSize::_S_complement): Likewise.
3479 (_SimdImplFixedSize::_S_unary_minus): Likewise.
3480 (_SimdImplFixedSize::_S_plus): Likewise.
3481 (_SimdImplFixedSize::_S_minus): Likewise.
3482 (_SimdImplFixedSize::_S_multiplies): Likewise.
3483 (_SimdImplFixedSize::_S_divides): Likewise.
3484 (_SimdImplFixedSize::_S_modulus): Likewise.
3485 (_SimdImplFixedSize::_S_bit_and): Likewise.
3486 (_SimdImplFixedSize::_S_bit_or): Likewise.
3487 (_SimdImplFixedSize::_S_bit_xor): Likewise.
3488 (_SimdImplFixedSize::_S_bit_shift_left): Likewise.
3489 (_SimdImplFixedSize::_S_bit_shift_right): Likewise.
3490 (_SimdImplFixedSize::_S_remquo): Add inline keyword (to be
3491 explicit about not always-inline, yet).
3492 (_SimdImplFixedSize::_S_isinf): Likewise.
3493 (_SimdImplFixedSize::_S_isfinite): Likewise.
3494 (_SimdImplFixedSize::_S_isnan): Likewise.
3495 (_SimdImplFixedSize::_S_isnormal): Likewise.
3496 (_SimdImplFixedSize::_S_signbit): Likewise.
3498 2023-02-24 Matthias Kretz <m.kretz@gsi.de>
3501 * include/experimental/bits/simd_builtin.h
3502 (_SimdImplBuiltin::_S_masked_unary): More efficient
3503 implementation of masked inc-/decrement for integers and floats
3505 * include/experimental/bits/simd_x86.h
3506 (_SimdImplX86::_S_masked_unary): New. Use AVX512 masked subtract
3507 builtins for masked inc-/decrement.
3509 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3511 * include/experimental/executor (executor): Constrain template
3514 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3516 * include/experimental/internet (basic_endpoint): Add missing
3517 constexpr to comparison operators.
3518 * testsuite/experimental/net/internet/endpoint/cons.cc: New test.
3520 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3522 * include/experimental/internet (network_v4::netmask()): Avoid
3524 (network_v4::broadcast()): Optimize and fix for targets with
3525 uint_least32_t wider than 32 bits.
3526 (network_v4::to_string(const Allocator&)): Fix for custom
3527 allocators and optimize using to_chars.
3528 (operator==(const network_v4&, const network_v4&)): Add missing
3530 (operator==(const network_v6&, const network_v6&)): Likewise.
3531 * testsuite/experimental/net/internet/network/v4/cons.cc: New test.
3532 * testsuite/experimental/net/internet/network/v4/members.cc: New test.
3534 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3536 * include/experimental/internet (address_4(const bytes_type&)):
3537 Use __builtin_bit_cast if available, otherwise convert to
3539 (address_v4::to_bytes()): Likewise, but convert from network
3541 * testsuite/experimental/net/internet/address/v4/cons.cc: Fix
3542 incorrect tests. Check for constexpr too.
3543 * testsuite/experimental/net/internet/address/v4/creation.cc:
3545 * testsuite/experimental/net/internet/address/v4/members.cc:
3546 Check that bytes_type is a standard-layout type.
3548 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3550 * include/experimental/internet (address_v4::to_string):
3552 * testsuite/experimental/net/internet/address/v4/members.cc:
3553 Check more addresses.
3555 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3557 * include/ext/aligned_buffer.h (__aligned_buffer): Add
3560 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3562 * testsuite/std/format/arguments/lwg3810.cc: Move dg-options
3565 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3567 * testsuite/experimental/simd/tests/reductions.cc: Introduce
3568 max_distance as the type-dependent max error.
3570 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3572 * include/experimental/bits/simd_builtin.h (_S_set): Compare as
3573 int. The actual range of these indexes is very small.
3575 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3577 * include/experimental/bits/simd_x86.h (_S_bit_shift_left)
3578 (_S_bit_shift_right): Declare constexpr. The implementation was
3579 already expecting constexpr evaluation.
3581 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3584 * include/experimental/bits/simd_detail.h
3585 (_GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA): Define as empty for
3588 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3591 * include/experimental/bits/simd.h (__vector_broadcast):
3592 Implement via __vector_broadcast_impl instead of
3593 __call_with_n_evaluations + 2 lambdas.
3594 (__vector_broadcast_impl): New.
3596 2023-02-22 Alexandre Oliva <oliva@adacore.com>
3598 * src/c++11/shared_ptr.cc (__gnu_internal::get_mutex):
3599 Avoid destruction of the mutex pool.
3601 2023-02-22 Alexandre Oliva <oliva@adacore.com>
3603 * testsuite/27_io/basic_ofstream/open/char/noreplace.cc: xfail
3605 * testsuite/27_io/basic_ofstream/open/wchar_t/noreplace.cc:
3608 2023-02-22 Alexandre Oliva <oliva@adacore.com>
3610 * testsuite/17_intro/names.cc: Undef func on vxworks >= 7 in
3613 2023-02-20 Andreas Schwab <schwab@linux-m68k.org>
3615 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
3617 2023-02-20 Matthias Kretz <m.kretz@gsi.de>
3619 * include/experimental/bits/simd.h (__extract_part, split):
3620 Use reserved name for template parameter.
3622 2023-02-20 Andreas Schwab <schwab@suse.de>
3624 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3626 2023-02-18 Gerald Pfeifer <gerald@pfeifer.com>
3628 * doc/xml/faq.xml: Switch two links to www.open-std.org to https.
3629 * doc/html/faq.html: Regenerate.
3631 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3633 * include/experimental/bits/simd_math.h (__hypot): Bitcasting
3634 between scalars requires the __bit_cast helper function instead
3637 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3639 * include/experimental/bits/simd_x86.h
3640 (_SimdImplX86::_S_not_equal_to, _SimdImplX86::_S_less)
3641 (_SimdImplX86::_S_less_equal): Do not call
3642 __builtin_is_constant_evaluated in constexpr-if.
3644 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3646 * testsuite/experimental/simd/tests/bits/verify.h
3647 (verify::verify): Use %zx for size_t in format string.
3649 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3651 * testsuite/experimental/simd/generate_makefile.sh: Generate and
3652 pre-compile pch.h, which includes all headers that do not depend
3653 on command-line macros.
3654 * testsuite/experimental/simd/tests/bits/main.h: New file.
3655 (iterate_abis, main): Moved from verify.h.
3656 * testsuite/experimental/simd/tests/bits/verify.h
3657 (iterate_abis, main): Moved to main.h.
3658 * testsuite/experimental/simd/tests/bits/conversions.h: Add
3660 (genHalfBits): Simplify.
3661 * testsuite/experimental/simd/tests/bits/make_vec.h: Add include
3663 (make_alternating_mask): Moved from mask_loadstore.
3664 * testsuite/experimental/simd/tests/bits/mathreference.h: Add
3666 * testsuite/experimental/simd/tests/bits/test_values.h: Ditto.
3667 * testsuite/experimental/simd/tests/mask_loadstore.cc
3668 (make_mask, make_alternating_mask): Removed.
3669 * testsuite/experimental/simd/tests/mask_reductions.cc: Ditto.
3670 * testsuite/experimental/simd/tests/operators.cc (genHalfBits):
3672 * testsuite/experimental/simd/tests/abs.cc: Only include
3675 * testsuite/experimental/simd/tests/algorithms.cc: Ditto.
3676 * testsuite/experimental/simd/tests/broadcast.cc: Ditto.
3677 * testsuite/experimental/simd/tests/casts.cc: Ditto.
3678 * testsuite/experimental/simd/tests/fpclassify.cc: Ditto.
3679 * testsuite/experimental/simd/tests/frexp.cc: Ditto.
3680 * testsuite/experimental/simd/tests/generator.cc: Ditto.
3681 * testsuite/experimental/simd/tests/hypot3_fma.cc: Ditto.
3682 * testsuite/experimental/simd/tests/integer_operators.cc: Ditto.
3683 * testsuite/experimental/simd/tests/ldexp_scalbn_scalbln_modf.cc:
3684 * testsuite/experimental/simd/tests/loadstore.cc: Ditto.
3685 * testsuite/experimental/simd/tests/logarithm.cc: Ditto.
3686 * testsuite/experimental/simd/tests/mask_broadcast.cc: Ditto.
3687 * testsuite/experimental/simd/tests/mask_conversions.cc: Ditto.
3688 * testsuite/experimental/simd/tests/mask_implicit_cvt.cc: Ditto.
3689 * testsuite/experimental/simd/tests/mask_operator_cvt.cc: Ditto.
3690 * testsuite/experimental/simd/tests/mask_operators.cc: Ditto.
3691 * testsuite/experimental/simd/tests/math_1arg.cc: Ditto.
3692 * testsuite/experimental/simd/tests/math_2arg.cc: Ditto.
3693 * testsuite/experimental/simd/tests/operator_cvt.cc: Ditto.
3694 * testsuite/experimental/simd/tests/reductions.cc: Ditto.
3695 * testsuite/experimental/simd/tests/remqo.cc: Ditto.
3696 * testsuite/experimental/simd/tests/simd.cc: Ditto.
3697 * testsuite/experimental/simd/tests/sincos.cc: Ditto.
3698 * testsuite/experimental/simd/tests/split_concat.cc: Ditto.
3699 * testsuite/experimental/simd/tests/splits.cc: Ditto.
3700 * testsuite/experimental/simd/tests/trigonometric.cc: Ditto.
3701 * testsuite/experimental/simd/tests/trunc_ceil_floor.cc: Ditto.
3702 * testsuite/experimental/simd/tests/where.cc: Ditto.
3704 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3706 * testsuite/experimental/simd/README.md: Document the timeout
3707 and timeout-factor directives. Minor typo fixed.
3709 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3712 * include/experimental/bits/simd_detail.h: Define
3713 _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA.
3714 * include/experimental/bits/simd.h: Annotate lambdas with
3715 _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA.
3716 * include/experimental/bits/simd_builtin.h: Ditto.
3717 * include/experimental/bits/simd_converter.h: Ditto.
3718 * include/experimental/bits/simd_fixed_size.h: Ditto.
3719 * include/experimental/bits/simd_math.h: Ditto.
3720 * include/experimental/bits/simd_neon.h: Ditto.
3721 * include/experimental/bits/simd_x86.h: Ditto.
3723 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3725 * include/experimental/bits/simd.h
3726 (_SimdWrapper::_M_is_constprop_none_of)
3727 (_SimdWrapper::_M_is_constprop_all_of): Return false unless the
3728 computed result still satisfies __builtin_constant_p.
3730 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3732 * testsuite/std/format/arguments/lwg3810.cc: Replace UTF-8
3735 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3737 * include/Makefile.am: Add new header.
3738 * include/Makefile.in: Regenerate.
3739 * include/experimental/synchronized_value: New file.
3740 * testsuite/experimental/synchronized_value.cc: New test.
3742 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3744 * include/experimental/optional: Fix header name in comment.
3746 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3748 * include/std/format (__format::_Arg_store): New class template.
3749 (basic_format_args): Remove nested type _Store and add deduction
3750 guide from _Arg_store.
3751 (basic_format_arg, make_format_args): Adjust.
3752 * testsuite/std/format/arguments/lwg3810.cc: New test.
3754 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3756 * include/bits/stl_pair.h (pair) [C++20]: Add non-dangling
3757 constraints to constructors and add deleted overloads for the
3758 dangling cases, as per P2255R2.
3759 (pair) [!C++20 && _GLIBCXX_DEBUG]: Add static assertions to
3760 make dangling cases ill-formed.
3761 * testsuite/20_util/pair/dangling_ref.cc: New test.
3763 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3765 * testsuite/17_intro/names_pstl.cc: Require et tbb_backend.
3767 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3769 * include/ext/throw_allocator.h: Use reserved names for
3772 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3774 * testsuite/17_intro/names_pstl.cc: Add space after effective
3777 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3779 * include/pstl/algorithm_fwd.h (__pattern_search_n)
3780 (__brick_unique_copy, __brick_adjacent_find)
3781 (__brick_generate_n, __pattern_generate_n): Use reserved names
3783 * include/pstl/algorithm_impl.h (__brick_unique_copy)
3784 (__pattern_reverse, __brick_generate_n): Likewise.
3785 * include/pstl/execution_impl.h (__prefer_unsequenced_tag)
3786 (__prefer_parallel_tag): Likewise.
3787 * include/pstl/glue_algorithm_impl.h (transform): Likewise.
3788 * include/pstl/glue_numeric_defs.h (adjacent_difference):
3790 * include/pstl/numeric_impl.h (__brick_adjacent_difference):
3792 * include/pstl/parallel_backend_tbb.h (__merge_func): Likewise.
3793 * include/pstl/unseq_backend_simd.h (_Combiner)
3794 (__simd_min_element, __simd_minmax_element): Likewise.
3795 * testsuite/17_intro/names_pstl.cc: New test.
3797 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3799 * include/bits/fs_ops.h (create_directory): Use reserved name
3801 * include/bits/ranges_algo.h (__contains_subrange_fn):
3803 * include/bits/regex_automaton.h (_State_base::_M_print):
3805 * include/bits/regex_automaton.tcc(_State_base::_M_print):
3807 * include/bits/regex_scanner.tcc(_Scanner::_M_print): Likewise.
3808 * include/experimental/bits/fs_ops.h (create_directory):
3810 * include/std/mutex (timed_mutex::_M_clocklock): Likewise.
3811 (recursive_timed_mutex:_M_clocklock): Likewise.
3812 * include/std/tuple (basic_common_reference): Likewise.
3813 * libsupc++/cxxabi_init_exception.h
3814 (__cxa_init_primary_exception): Likewise.
3815 * testsuite/17_intro/names.cc: Add checks.
3817 2023-02-14 Gerald Pfeifer <gerald@pfeifer.com>
3819 * doc/xml/manual/status_cxx2017.xml: Update an open-std.org link
3820 to www.open-std.org and https.
3821 * doc/html/manual/status.html: Regenerate.
3823 2023-02-14 Thomas W Rodgers <rodgert@twrodgers.com>
3826 * include/std/atomic (atomic_flag_wait): Add.
3827 (atomic_flag_wait_explicit): Add.
3828 (atomic_flag_notify): Add.
3829 (atomic_flag_notify_explicit): Add.
3830 * testsuite/29_atomics/atomic_flag/wait_notify/1.cc:
3831 Add test case to cover missing atomic_flag free functions.
3833 2023-02-14 Thomas W Rodgers <rodgert@twrodgers.com>
3836 * include/std/atomic (atomic_flag_test): Add.
3837 (atomic_flag_test_explicit): Add.
3838 * testsuite/29_atomics/atomic_flag/test/explicit.cc: Add
3839 test case to cover missing atomic_flag free functions.
3840 * testsuite/29_atomics/atomic_flag/test/implicit.cc:
3843 2023-02-13 Gerald Pfeifer <gerald@pfeifer.com>
3845 * doc/xml/manual/policy_data_structures_biblio.xml: Adjust
3846 "The Component Object Model" reference.
3847 * doc/html/manual/policy_data_structures.html: Regenerate.
3849 2023-02-12 Gerald Pfeifer <gerald@pfeifer.com>
3851 * doc/xml/manual/containers.xml: Tweak a link to N1780
3853 * doc/html/manual/associative.html: Regenerate.
3855 2023-02-12 Gerald Pfeifer <gerald@pfeifer.com>
3857 * doc/xml/manual/ctype.xml: Change www.unix.org to unix.org.
3858 * doc/html/manual/facets.html: Regenerate.
3860 2023-02-11 Gerald Pfeifer <gerald@pfeifer.com>
3862 * doc/xml/manual/policy_data_structures_biblio.xml: Update
3863 link to "Worst-case efficient priority queues".
3864 * doc/html/manual/policy_data_structures.html: Regenerate.
3866 2023-02-06 Arsen Arsenović <arsen@aarsen.me>
3868 * doc/xml/manual/using.xml: Document newly-freestanding
3869 headers and the effect of the -ffreestanding flag.
3870 * doc/xml/manual/status_cxx2023.xml: Document P1642R11 as
3872 * doc/xml/manual/configure.xml: Document that hosted installs
3873 respect __STDC_HOSTED__.
3874 * doc/xml/manual/test.xml: Document how to run tests in
3876 * doc/html/*: Regenerate.
3878 2023-02-06 Jonathan Wakely <jwakely@redhat.com>
3880 * include/bits/ranges_algo.h (__find_last_fn): Rename T to _Tp.
3881 (__find_last_if_fn): Likewise.
3883 2023-02-06 Jonathan Wakely <jwakely@redhat.com>
3885 * include/std/type_traits: Add diagnostic pragmas around
3886 references to deprecated std::aligned_storage and
3887 std::aligned_union traits.
3888 * testsuite/20_util/aligned_storage/requirements/alias_decl.cc:
3889 Add dg-warning for et c++23.
3890 * testsuite/20_util/aligned_storage/requirements/explicit_instantiation.cc:
3892 * testsuite/20_util/aligned_storage/value.cc: Likewise.
3893 * testsuite/20_util/aligned_union/1.cc: Likewise.
3894 * testsuite/20_util/aligned_union/requirements/alias_decl.cc:
3897 2023-02-06 Nathaniel Shead <nathanieloshead@gmail.com>
3899 * doc/doxygen/user.cfg.in (PREDEFINED): Add new macros.
3900 * include/bits/c++config (_GLIBCXX23_DEPRECATED)
3901 (_GLIBCXX23_DEPRECATED_SUGGEST): New macros.
3902 * include/std/type_traits (aligned_storage, aligned_union)
3903 (aligned_storage_t, aligned_union_t): Deprecate for C++23.
3904 * testsuite/20_util/aligned_storage/deprecated-2b.cc: New test.
3905 * testsuite/20_util/aligned_union/deprecated-2b.cc: New test.
3907 2023-02-06 Nathaniel Shead <nathanieloshead@gmail.com>
3909 * doc/doxygen/user.cfg.in (PREDEFINED): Update macros.
3910 * include/bits/c++config (_GLIBCXX20_DEPRECATED): Make
3911 consistent with other 'deprecated' macros.
3912 * include/std/type_traits (is_pod, is_pod_v): Use
3913 _GLIBCXX20_DEPRECATED_SUGGEST instead.
3915 2023-02-06 Arsen Arsenović <arsen@aarsen.me>
3917 * Makefile.am [!_GLIBCXX_HOSTED]: Enable src/ subdirectory.
3918 * Makefile.in: Regenerate.
3919 * src/Makefile.am [!_GLIBCXX_HOSTED]: Omit compatibility files.
3920 There's no history to be compatible with.
3921 * src/c++11/Makefile.am [!_GLIBCXX_HOSTED]: Omit hosted-only
3922 source files from the build.
3923 * src/c++17/Makefile.am [!_GLIBCXX_HOSTED]: Likewise.
3924 * src/c++20/Makefile.am [!_GLIBCXX_HOSTED]: Likewise.
3925 * src/c++98/Makefile.am [!_GLIBCXX_HOSTED]: Likewise.
3926 * src/Makefile.in: Regenerate.
3927 * src/c++11/Makefile.in: Regenerate.
3928 * src/c++17/Makefile.in: Regenerate.
3929 * src/c++20/Makefile.in: Regenerate.
3930 * src/c++98/Makefile.in: Regenerate.
3932 2023-02-06 Jonathan Wakely <jwakely@redhat.com>
3934 * src/Makefile.am [GLIBCXX_HOSTED] (SUBDIRS): Do not add
3935 filesystem, libbacktrace and experimental.
3936 * src/Makefile.in: Regenerate.
3938 2023-02-04 Hans-Peter Nilsson <hp@axis.com>
3941 * include/pstl/unseq_backend_simd.h (__simd_or): Use __INT32_TYPE__
3944 2023-02-04 Gerald Pfeifer <gerald@pfeifer.com>
3946 * doc/xml/manual/documentation_hacking.xml: Adjust link to pdftex.
3947 * doc/html/manual/documentation_hacking.html: Regenerate.
3949 2023-02-04 François Dumont <fdumont@gcc.gnu.org>
3951 * include/bits/basic_string.h (operator=(basic_string&&)): Transfer move-to
3952 storage to the move-from instance when allocators are equal.
3953 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc (test04):
3956 2023-02-03 Samuel Thibault <samuel.thibault@gnu.org>
3958 * config/os/gnu-linux/os_defines.h [!__linux__]
3959 (_GLIBCXX_NATIVE_THREAD_ID, _GLIBCXX_GTHREAD_USE_WEAK): Do not define.
3961 2023-02-03 Patrick Palka <ppalka@redhat.com>
3963 * include/bits/ranges_algo.h (__find_last_fn, find_last):
3965 (__find_last_if_fn, find_last_if): Define.
3966 (__find_last_if_not_fn, find_last_if_not): Define.
3967 * testsuite/25_algorithms/find_last/1.cc: New test.
3968 * testsuite/25_algorithms/find_last_if/1.cc: New test.
3969 * testsuite/25_algorithms/find_last_if_not/1.cc: New test.
3971 2023-02-03 Patrick Palka <ppalka@redhat.com>
3973 * include/bits/ranges_algo.h (out_value_result): Define.
3974 (iota_result): Define.
3975 (__iota_fn, iota): Define.
3976 * testsuite/25_algorithms/iota/1.cc: New test.
3978 2023-02-03 Patrick Palka <ppalka@redhat.com>
3980 * include/bits/ranges_algo.h (__contains_fn, contains): Define.
3981 (__contains_subrange_fn, contains_subrange): Define.
3982 * testsuite/25_algorithms/contains/1.cc: New test.
3983 * testsuite/25_algorithms/contains_subrange/1.cc: New test.
3985 2023-02-02 Gerald Pfeifer <gerald@pfeifer.com>
3987 * doc/xml/manual/abi.xml: Tweak link to ABIcheck project.
3988 * doc/html/manual/abi.html: Regenerate.
3990 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
3992 * src/filesystem/ops-common.h [AVR] (__unsupported): Always use
3993 errc::function_not_supported instead of errc::not_supported.
3995 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
3997 * include/std/sstream (basic_stringbuf::view): Define for old
3999 (basic_istringstream::view, basic_0stringstream::view)
4000 (basic_stringstream::view): Likewise.
4001 * testsuite/27_io/basic_istringstream/view/char/1.cc: Remove
4002 { dg-require-effective-target cxx11_abi }.
4003 * testsuite/27_io/basic_istringstream/view/wchar_t/1.cc:
4005 * testsuite/27_io/basic_ostringstream/view/char/1.cc: Likewise.
4006 * testsuite/27_io/basic_ostringstream/view/wchar_t/1.cc:
4008 * testsuite/27_io/basic_stringbuf/view/char/1.cc: Likewise.
4009 * testsuite/27_io/basic_stringbuf/view/wchar_t/1.cc: Likewise.
4010 * testsuite/27_io/basic_stringstream/view/char/1.cc: Likewise.
4011 * testsuite/27_io/basic_stringstream/view/wchar_t/1.cc:
4014 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
4017 * config/abi/pre/gnu.ver (GLIBCXX_3.4.31): Export shared_ptr
4018 conversion operators for directory iterator comparisons with
4019 std::default_sentinel_t.
4020 * include/bits/fs_path.h (path::path(string_view, _Type))
4021 (path::_Cmpt::_Cmpt(string_view, _Type, size_t)): Move inline
4023 * src/c++17/fs_path.cc: ... here.
4024 * testsuite/27_io/filesystem/path/108636.cc: New test.
4026 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
4028 * include/std/variant (variant::operator=): Implement resolution
4030 * testsuite/20_util/variant/lwg3585.cc: New test.
4032 2023-02-02 Gerald Pfeifer <gerald@pfeifer.com>
4034 * doc/xml/manual/using_exceptions.xml: Update a www.open-std.org
4036 * doc/html/manual/using_exceptions.html: Regenerate.
4038 2023-02-02 Gerald Pfeifer <gerald@pfeifer.com>
4040 * doc/xml/manual/debug.xml: Fix link to online GDB manual.
4041 * doc/html/manual/debug.html: Regenerate.
4043 2023-02-01 Jonathan Wakely <jwakely@redhat.com>
4045 * src/c++11/random.cc (random_device::_M_fini): Do not try to
4046 close the file handle if the target doesn't support the
4047 /dev/random and /dev/urandom files.
4049 2023-02-01 Jonathan Wakely <jwakely@redhat.com>
4051 * config/os/generic/error_constants.h (errc::value_too_large)
4053 * src/c++11/system_error.cc
4054 (system_category::default_error_condition) [__AVR__]: Only match
4055 recognize values equal to EDOM, ERANGE, ENOSYS and EINTR.
4056 * src/c++17/fs_ops.cc (fs::current_path) [__AVR__]: Do not check
4057 for ENOENT etc. in switch.
4058 (fs::remove_all) [__AVR__]: Likewise.
4059 * src/filesystem/ops-common.h [__AVR__]: Do not use POSIX open,
4062 2023-02-01 Jonathan Wakely <jwakely@redhat.com>
4064 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR) [avr-*-*, msp430-*-*]: Set
4066 * configure: Regenerate.
4068 2023-02-01 Hans-Peter Nilsson <hp@axis.com>
4071 * testsuite/std/time/hh_mm_ss/1.cc (size): Add empty
4072 struct at end of S0.
4074 2023-01-30 Gerald Pfeifer <gerald@pfeifer.com>
4076 * doc/xml/manual/shared_ptr.xml: Move links from both
4077 http://open-std.org and http://www.open-std.org to
4078 https://www.open-std.org.
4079 * doc/html/manual/memory.html: Regenerate.
4081 2023-01-28 Gerald Pfeifer <gerald@pfeifer.com>
4083 * doc/xml/manual/appendix_contributing.xml: Adjust link to
4084 ISO C++ standard at ANSI.
4085 Move link to www.open-std.org to https.
4086 * doc/html/manual/appendix_contributing.html: Regenerate.
4088 2023-01-28 Gerald Pfeifer <gerald@pfeifer.com>
4090 * doc/xml/manual/documentation_hacking.xml: Move sourceforge.net
4092 * doc/html/manual/documentation_hacking.html: Regenerate.
4094 2023-01-28 Gerald Pfeifer <gerald@pfeifer.com>
4096 * doc/xml/manual/abi.xml: Update www.open-std.org link to https.
4097 * doc/html/manual/abi.html: Regenerate.
4099 2023-01-27 Jakub Jelinek <jakub@redhat.com>
4102 * testsuite/17_intro/names.cc (__unused): For linux or GNU hurd
4103 include features.h if present and then check __GLIBC__ and
4104 __GLIBC_MINOR__ macros for glibc prior to 2.19, instead of testing
4105 __GLIBC_PREREQ which isn't defined yet.
4107 2023-01-27 Jonathan Wakely <jwakely@redhat.com>
4109 * src/c++20/tzdb.cc (tzdata_stream): Use constant instead of
4112 2023-01-27 Jonathan Wakely <jwakely@redhat.com>
4115 * testsuite/23_containers/map/modifiers/108554.cc: Use dg-bogus.
4117 2023-01-26 Jonathan Wakely <jwakely@redhat.com>
4119 * src/c++20/tzdb.cc (operator>>(istream&, ZoneInfo&)): Allow
4120 rules named "+" for compatibility with older tzdata.zi files.
4122 2023-01-26 Jonathan Wakely <jwakely@redhat.com>
4125 * include/bits/stl_tree.h (_Rb_tree_insert_and_rebalance): Add
4127 (_Rb_tree_rebalance_for_erase): Add nonnull and returns_nonnull
4129 * testsuite/23_containers/map/modifiers/108554.cc: New test.
4131 2023-01-26 Jonathan Wakely <jwakely@redhat.com>
4134 * src/c++20/tzdb.cc (current_zone): Look for TIMEZONE or ZONE in
4135 /etc/sysconfig/clock, not DEFAULT_TIMEZONE.
4137 2023-01-26 Gerald Pfeifer <gerald@pfeifer.com>
4139 * doc/xml/manual/intro.xml: Update links to www.open-std.org to
4141 * doc/html/manual/bugs.html: Regenerate.
4143 2023-01-24 Jonathan Wakely <jwakely@redhat.com>
4146 * src/c++20/tzdb.cc (current_zone): Look for DEFAULT_TIMEZONE in
4147 /etc/sysconfig/clock.
4149 2023-01-24 Jonathan Wakely <jwakely@redhat.com>
4152 * include/bits/ranges_base.h: Include <bits/stl_iterator.h> for
4153 std::make_reverse_iterator.
4154 * include/std/tuple: Include <bits/ranges_util.h> for subrange.
4155 (make_from_tuple): Add static assertion from P2255 to diagnose
4156 dangling references.
4157 * testsuite/20_util/tuple/make_from_tuple/dangling_ref.cc: New test.
4158 * testsuite/20_util/tuple/make_from_tuple/tuple_like.cc: New test.
4160 2023-01-23 François Dumont <fdumont@gcc.gnu.org>
4162 * include/debug/safe_iterator.h (_Safe_iterator<>::_Unchecked): New.
4163 (_Safe_iterator(const _Safe_iterator&, _Unchecked)): New.
4164 (_Safe_iterator::operator++(int)): Use latter.
4165 (_Safe_iterator::operator--(int)): Likewise.
4166 (_Safe_iterator(_Iterator, const _Safe_sequence_base*)): Remove !_M_insular()
4168 * include/debug/safe_local_iterator.h (_Safe_local_iterator<>::_Unchecked):
4170 (_Safe_local_iterator(const _Safe_local_iterator&, _Unchecked)): New.
4171 (_Safe_local_iterator::operator++(int)): Use latter.
4172 * src/c++11/debug.cc (_S_debug_messages): Add as comment the _Debug_msg_id
4173 entry associated to the array entry.
4175 2023-01-18 Jonathan Wakely <jwakely@redhat.com>
4177 * include/bits/fs_path.h (u8path): Add deprecated attribute.
4178 * testsuite/27_io/filesystem/path/construct/90281.cc: Add
4179 -Wno-deprecated-declarations for C++20 and later.
4180 * testsuite/27_io/filesystem/path/factory/u8path-char8_t.cc:
4182 * testsuite/27_io/filesystem/path/factory/u8path.cc: Likewise.
4183 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
4184 * testsuite/27_io/filesystem/path/factory/u8path-depr.cc: New test.
4186 2023-01-18 Jonathan Wakely <jwakely@redhat.com>
4188 * include/bits/random.h (random_device) [!_GLIBCXX_USE_DEV_RANDOM]:
4189 Always call _M_fini and _M_getentropy.
4191 2023-01-18 Gerald Pfeifer <gerald@pfeifer.com>
4193 * doc/xml/manual/policy_data_structures_biblio.xml: Adjust links
4194 to www.open-std.org to use https.
4195 (COM: Component Model Object Technologies): Rename from...
4196 (The Component Object Model): ...to.
4197 * doc/html/manual/policy_data_structures.html: Regenerate.
4199 2023-01-18 Dimitrij Mijoski <dmjpp@hotmail.com>
4201 * testsuite/22_locale/codecvt/codecvt_unicode.cc: Simplify.
4202 * testsuite/22_locale/codecvt/codecvt_unicode.h: Simplify.
4203 * testsuite/22_locale/codecvt/codecvt_unicode_wchar_t.cc: Simplify.
4205 2023-01-17 Jonathan Wakely <jwakely@redhat.com>
4207 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Check $target_os instead
4208 of $host. Fix check for file being present during native build.
4209 * configure: Regenerate.
4211 2023-01-17 Martin Liska <mliska@suse.cz>
4213 * src/libbacktrace/Makefile.in: Regenerate.
4215 2023-01-16 Jonathan Wakely <jwakely@redhat.com>
4217 * src/c++20/tzdb.cc (_GLIBCXX_USE_CXX11_ABI): Define to 1.
4219 2023-01-16 Jonathan Wakely <jwakely@redhat.com>
4222 * include/c_compatibility/stdatomic.h: Change copyright line to
4223 be consistent with other headers contributed under DCO terms.
4224 * include/std/expected: Add full stop to copyright line.
4225 * src/c++20/tzdb.cc: Likewise.
4227 2023-01-15 Gerald Pfeifer <gerald@pfeifer.com>
4229 * doc/xml/manual/status_cxx2014.xml: Switch www.open-std.org to
4231 * doc/xml/manual/status_cxx2017.xml: Ditto.
4232 * doc/xml/manual/status_cxx2020.xml: Ditto.
4233 * doc/xml/manual/status_cxx2023.xml: Ditto.
4234 * doc/html/manual/status.html: Regenerate.
4236 2023-01-15 Jonathan Wakely <jwakely@redhat.com>
4238 * testsuite/std/time/tzdb_list/1.cc: Remove dg-xfail-run-if
4239 and fail gracefully if defining the weak symbol doesn't work.
4241 2023-01-15 François Dumont <fdumont@gcc.gnu.org>
4244 * include/debug/safe_iterator.h (_Safe_iterator<>::operator++(int)): Extend deadlock
4245 fix to other iterator category.
4246 (_Safe_iterator<>::operator--(int)): Likewise.
4247 * include/debug/safe_local_iterator.h (_Safe_local_iterator<>::operator++(int)):
4249 * testsuite/util/debug/unordered_checks.h (invalid_local_iterator_pre_increment): New.
4250 (invalid_local_iterator_post_increment): New.
4251 * testsuite/23_containers/unordered_map/debug/invalid_local_iterator_post_increment_neg.cc:
4253 * testsuite/23_containers/unordered_map/debug/invalid_local_iterator_pre_increment_neg.cc:
4256 2023-01-15 Jonathan Wakely <jwakely@redhat.com>
4258 * testsuite/30_threads/jthread/jthread.cc: Remove -pthread from
4261 2023-01-15 Jonathan Wakely <jwakely@redhat.com>
4263 * testsuite/std/time/clock/utc/io.cc: Use ctype to widen char.
4265 2023-01-14 Björn Schäpers <bjoern@hazardy.de>
4267 * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Add check for
4268 windows.h. Add pecoff as FORMAT_FILE.
4269 * config.h.in: Regenerate.
4270 * configure: Regenerate.
4271 * src/libbacktrace/Makefile.am: Regenerate.
4272 * src/libbacktrace/Makefile.in: Add pecoff.c as FORMAT_FILE.
4274 2023-01-14 Björn Schäpers <bjoern@hazardy.de>
4276 * include/std/stacktrace (stacktrace_entry::_S_demangle): Use
4277 raw __name if __cxa_demangle could not demangle it.
4279 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
4282 * src/c++20/tzdb.cc (current_zone()) [_AIX]: Use TZ environment
4285 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
4287 * src/c++20/tzdb.cc (TZDB_DISABLED): Disable all code for
4289 * testsuite/std/time/tzdb/leap_seconds.cc: Require tzdb
4291 * testsuite/std/time/tzdb_list/1.cc: Likewise.
4293 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
4295 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Replace the
4296 --with-libstdcxx-zoneinfo-dir configure option with
4297 --with-libstdcxx-zoneinfo with yes/no/static choices as well as
4299 * config.h.in: Regenerate.
4300 * configure: Regenerate.
4301 * doc/xml/manual/configure.xml: Document configure option.
4302 * doc/html/manual/configure.html: Regenerate.
4303 * src/c++20/Makefile.am: Generate tzdata.zi.h header.
4304 * src/c++20/Makefile.in: Regenerate.
4305 * src/c++20/tzdb.cc (__gnu_cxx::zoneinfo_dir_override): Return a
4306 null pointer if no directory is configured.
4307 (zoneinfo_dir): Replace with ...
4308 (zoneinfo_file): New function.
4309 (tzdata_stream): New istream class.
4310 (remote_version, reload_tzdb): Use tzdata_stream.
4311 * testsuite/lib/libstdc++.exp (check_effective_target_tzdb):
4312 Check new _GLIBCXX_STATIC_TZDATA macro and ignore presence of
4313 tzdata.zi file in default location.
4314 * src/c++20/tzdata.zi: New file.
4316 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
4318 * include/bits/chrono_io.h (operator<<): Fix syntax errors.
4319 * testsuite/std/time/month_day/io.cc: New test.
4320 * testsuite/std/time/month_day_last/io.cc: New test.
4321 * testsuite/std/time/month_weekday/io.cc: New test.
4322 * testsuite/std/time/month_weekday_last/io.cc: New test.
4323 * testsuite/std/time/weekday_indexed/io.cc: New test.
4324 * testsuite/std/time/weekday_last/io.cc: New test.
4325 * testsuite/std/time/year_month/io.cc: New test.
4326 * testsuite/std/time/year_month_day_last/io.cc: New test.
4327 * testsuite/std/time/year_month_weekday/io.cc: New test.
4328 * testsuite/std/time/year_month_weekday_last/io.cc: New test.
4330 2023-01-14 François Dumont <fdumont@gcc.gnu.org>
4332 * include/std/format [_GLIBCXX_INLINE_VERSION](to_chars): Adapt __asm symbol
4334 * config/abi/pre/gnu-versioned-namespace.ver: Add to_chars/from_chars symbols
4337 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
4339 * include/bits/std_mutex.h: Include <errno.h>.
4341 2023-01-13 Arsen Arsenović <arsen@aarsen.me>
4343 * testsuite/20_util/to_chars/version.cc: Mark hosted-only.
4344 * testsuite/20_util/uses_allocator/lwg3677.cc: Ditto.
4345 * testsuite/20_util/weak_ptr/cons/self_move.cc: Ditto.
4346 * testsuite/std/ranges/adaptors/as_rvalue/1.cc: Replace usage of
4347 std::make_unique with a freestanding-compatible wrapper around
4349 * testsuite/21_strings/basic_string_view/operations/contains/char.cc:
4350 Don't test for presence of __cpp_lib_string_contains on !HOSTED.
4351 * testsuite/21_strings/basic_string_view/operations/contains/char/2.cc:
4353 * testsuite/std/ranges/version_c++23.cc: Don't test for presence
4354 of __cpp_lib_ranges in !HOSTED.
4356 2023-01-13 Arsen Arsenović <arsen@aarsen.me>
4358 * include/Makefile.am: Install bits/char_traits.h,
4360 * include/Makefile.in: Regenerate.
4361 * include/bits/char_traits.h: Gate hosted-only, wchar-only and
4362 mbstate-only bits behind appropriate #ifs.
4363 * include/std/string_view: Gate <iostream> functionality behind
4365 * include/std/version: Enable __cpp_lib_constexpr_string_view
4366 and __cpp_lib_starts_ends_with in !HOSTED.
4367 * include/std/ranges: Re-enable __is_basic_string_view on
4368 freestanding, include <string_view> directly.
4369 * include/precompiled/stdc++.h: Include <string_view> when
4371 * testsuite/20_util/function_objects/searchers.cc: Skip testing
4372 boyer_moore searchers on freestanding
4373 * testsuite/21_strings/basic_string_view/capacity/1.cc: Guard
4374 <string>-related tests behind __STDC_HOSTED__.
4375 * testsuite/21_strings/basic_string_view/cons/char/1.cc: Ditto.
4376 * testsuite/21_strings/basic_string_view/cons/char/2.cc: Remove
4377 unused <stdexcept> include.
4378 * testsuite/21_strings/basic_string_view/cons/char/3.cc: Remove
4379 unused <vector> include.
4380 * testsuite/21_strings/basic_string_view/cons/char/range.cc:
4381 Guard <string> related testing behind __STDC_HOSTED__.
4382 * testsuite/21_strings/basic_string_view/cons/wchar_t/1.cc:
4383 Guard <stdexcept> related tests behind __STDC_HOSTED__.
4384 * testsuite/21_strings/basic_string_view/element_access/char/1.cc:
4386 * testsuite/21_strings/basic_string_view/element_access/wchar_t/1.cc:
4387 Guard <stdexcept> tests behind __STDC_HOSTED__.
4388 * testsuite/21_strings/basic_string_view/operations/contains/char/2.cc:
4389 Enable test on freestanding, guard <stdexcept> bits behind
4391 * testsuite/21_strings/basic_string_view/operations/substr/char.cc:
4392 Guard <stdexcept> bits behind __STDC_HOSTED__.
4393 * testsuite/21_strings/basic_string_view/operations/substr/wchar_t.cc:
4396 2023-01-13 Dimitrij Mijoski <dmjpp@hotmail.com>
4399 * src/c++11/codecvt.cc (read_utf8_code_point): Correctly detect
4400 errors in incomplete multibyte sequences.
4401 (utf16_in): Remove surrogates parameter. Fix conditions for
4403 (utf16_out): Fix condition for returning partial.
4404 (ucs2_in): Do not pass surrogates argument to utf16_in.
4405 * testsuite/22_locale/codecvt/codecvt_unicode.cc: New test.
4406 * testsuite/22_locale/codecvt/codecvt_unicode.h: New header for
4408 * testsuite/22_locale/codecvt/codecvt_unicode_wchar_t.cc: New
4411 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
4414 * config/io/c_io_stdio.h (__c_lock): Define as a typedef for
4415 __GTHREAD_LEGACY_MUTEX_T if defined.
4417 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
4420 * config/os/gnu-linux/ldbl-extra.ver (GLIBCXX_LDBL_3.4.31):
4421 Export __try_use_facet specializations for facets in namespace
4423 * config/os/gnu-linux/ldbl-ieee128-extra.ver
4424 (GLIBCXX_IEEE128_3.4.31): Likewise for facets in namespace
4426 * testsuite/util/testsuite_abi.cc: Add to lists of known and
4429 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
4431 * include/bits/std_mutex.h: Remove <system_error> include.
4432 * include/std/condition_variable: Add <bits/error_constants.h>
4434 * include/std/mutex: Likewise.
4435 * include/std/shared_mutex: Likewise.
4437 2023-01-12 Jonathan Wakely <jwakely@redhat.com>
4440 * include/experimental/memory_resource
4441 (_GLIBCXX_MAX_ALIGN_MATCHES_MALLOC): Define.
4442 (do_allocate, do_deallocate): Check it.
4443 * testsuite/experimental/memory_resource/new_delete_resource.cc:
4444 Relax expected behaviour for 64-bit hppa-hp-hpux11.11.
4446 2023-01-12 Jonathan Wakely <jwakely@redhat.com>
4448 * doc/xml/manual/abi.xml: Add latest library versions.
4449 * doc/html/manual/abi.html: Regenerate.
4451 2023-01-12 François Dumont <fdumont@gcc.gnu.org>
4454 * include/bits/stl_tree.h (_Rb_tree<>::_M_insert_range_equal): Remove
4455 unused _Alloc_node instance.
4457 2023-01-12 Jonathan Wakely <jwakely@redhat.com>
4459 * include/bits/atomic_wait.h (__detail::__platform_wait_t):
4460 Define as unsigned long if always lock-free, and unsigned int
4463 2023-01-10 Jonathan Wakely <jwakely@redhat.com>
4465 * src/c++20/tzdb.cc (tzdb_list::_S_init_tzdb): Use __try and
4466 __catch macros for exception handling.
4468 2023-01-10 Jonathan Wakely <jwakely@redhat.com>
4471 * include/bits/stl_algobase.h (__lg): Replace six overloads with
4472 a single function template for all integer types.
4473 * include/bits/stl_algo.h (__merge_adaptive_resize): Cast
4474 arithmetic results back to _Distance.
4476 2023-01-10 Jonathan Wakely <jwakely@redhat.com>
4479 * include/std/span (span::span()): Un-simplify constraint to
4480 work for size_t of lesser rank than int.
4482 2023-01-07 LIU Hao <lh_mouse@126.com>
4484 PR middle-end/108300
4485 * src/c++11/system_error.cc: Define `WIN32_LEAN_AND_MEAN` before
4487 * src/c++11/thread.cc: Likewise.
4488 * src/c++17/fs_ops.cc: Likewise.
4489 * src/filesystem/ops.cc: Likewise.
4491 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4494 * src/c++20/tzdb.cc (zoneinfo_dir): Add diagnostic pragma.
4496 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4499 * src/c++20/tzdb.cc (time_zone::_Impl::RulesCounter): New class
4500 template and partial specialization for synchronizing access to
4501 time_zone::_Impl::infos.
4502 (time_zone::_M_get_sys_info, reload_tzdb): Adjust uses of
4505 2023-01-06 Patrick Palka <ppalka@redhat.com>
4508 * include/bits/utility.h (__cpp_lib_ranges_zip): Define for C++23.
4509 * include/std/ranges (__cpp_lib_ranges_zip): Likewise.
4510 (__cpp_lib_ranges_chunk): Likewise.
4511 (__cpp_lib_ranges_slide): Likewise.
4512 (__cpp_lib_ranges_chunk_by): Likewise.
4513 (__cpp_lib_ranges_join_with): Likewise.
4514 (__cpp_lib_ranges_repeat): Likewise.
4515 (__cpp_lib_ranges_stride): Likewise.
4516 (__cpp_lib_ranges_cartesian_product): Likewise.
4517 (__cpp_lib_ranges_as_rvalue): Likewise.
4518 * include/std/version: Ditto.
4519 * testsuite/20_util/tuple/p2321r2.cc: Verify value of
4521 * testsuite/std/ranges/adaptors/as_rvalue/1.cc: Likewise.
4522 * testsuite/std/ranges/adaptors/chunk/1.cc: Likewise.
4523 * testsuite/std/ranges/adaptors/chunk_by/1.cc: Likewise.
4524 * testsuite/std/ranges/adaptors/join_with/1.cc: Likewise.
4525 * testsuite/std/ranges/adaptors/slide/1.cc: Likewise.
4526 * testsuite/std/ranges/adaptors/stride/1.cc: Likewise.
4527 * testsuite/std/ranges/cartesian_product/1.cc: Likewise.
4528 * testsuite/std/ranges/repeat/1.cc: Likewise.
4529 * testsuite/std/ranges/zip/1.cc: Likewise.
4530 * testsuite/std/ranges/version_c++23.cc: New test.
4532 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4535 * include/std/bitset (operator>>): Use alloca in the right
4536 scope, not in a constructor.
4537 * testsuite/20_util/bitset/io/input.cc: Check case from PR.
4539 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4542 * include/std/format (basic_format_arg) [!__cpp_lib_to_chars]:
4543 Disable visiting floating-point types.
4545 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4548 * include/debug/safe_iterator.h (_Safe_iterator::operator++(int))
4549 (_Safe_iterator::operator--(int)): Do not hold lock around
4550 construction of return value.
4552 2023-01-05 John David Anglin <danglin@gcc.gnu.org>
4554 * config/cpu/hppa/atomicity.h (_PA_LDCW_INSN): Define.
4555 (__exchange_and_add): Use _PA_LDCW_INSN. Use ordered store for
4556 lock release. Revise loop.
4557 (__atomic_add): Likewise.
4559 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4562 * python/libstdcxx/v6/printers.py (_utc_timezone): New global
4564 (StdChronoTimePointPrinter::to_string): Use it.
4566 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4569 * include/std/functional (_Bind_front): Add no_unique_address
4570 attribute to data members.
4571 * testsuite/20_util/function_objects/bind_front/107784.cc: Check
4572 size of call wrappers with empty types for targets and bound
4575 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4578 * src/c++20/tzdb.cc (chrono::current_zone()): Check for zone
4579 using only last component of the name.
4581 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4585 * config/abi/pre/gnu.ver: Move zoneinfo_dir_override export to
4586 the latest symbol version.
4587 * src/c++20/tzdb.cc (USE_ATOMIC_SHARED_PTR): Define to 0 if
4588 atomic<_Node*> is not always lock free.
4589 (USE_ATOMIC_LIST_HEAD): New macro.
4590 [__hpux__] (__gnu_cxx::zoneinfo_dir_override()): Provide
4591 definition of weak symbol.
4592 (tzdb_list::_Node::_S_head): Rename to _S_head_cache.
4593 (tzdb_list::_Node::_S_list_head): New function for accessing
4594 list head efficiently.
4595 (tzdb_list::_Node::_S_cache_list_head): New function for
4596 updating _S_list_head.
4598 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4601 * include/std/chrono (hh_mm_ss): Do not use chrono::abs if
4602 duration rep is unsigned.
4603 * testsuite/std/time/hh_mm_ss/1.cc: Check unsigned rep.
4605 2023-01-04 Iain Sandoe <iain@sandoe.co.uk>
4608 * config/abi/pre/gnu.ver (GLIBCXX_3.4):
4609 Add __gnu_cxx::zoneinfo_dir_override().
4611 2023-01-04 Jonathan Wakely <jwakely@redhat.com>
4614 * include/std/array (__array_traits<T, 0>::operator T*()): Add
4616 * testsuite/23_containers/array/element_access/constexpr_c++17.cc: Check
4617 std::array<T, 0>::data().
4620 Copyright (C) 2023 Free Software Foundation, Inc.
4622 Copying and distribution of this file, with or without modification,
4623 are permitted in any medium without royalty provided the copyright
4624 notice and this notice are preserved.