1 2023-08-23 François Dumont <fdumont@gcc.gnu.org>
3 * testsuite/util/replacement_memory_operators.h
4 (counter::scope): New, capture and reset counter count at construction and
5 restore it at destruction.
6 (counter::check_new): Add scope instantiation.
7 * testsuite/23_containers/unordered_map/96088.cc (main):
8 Add counter::scope instantiation.
9 * testsuite/23_containers/unordered_multimap/96088.cc (main): Likewise.
10 * testsuite/23_containers/unordered_multiset/96088.cc (main): Likewise.
11 * testsuite/23_containers/unordered_set/96088.cc (main): Likewise.
12 * testsuite/ext/malloc_allocator/deallocate_local.cc (main): Likewise.
13 * testsuite/ext/new_allocator/deallocate_local.cc (main): Likewise.
14 * testsuite/ext/throw_allocator/deallocate_local.cc (main): Likewise.
15 * testsuite/ext/pool_allocator/allocate_chunk.cc (started): New global.
16 (operator new(size_t)): Check started.
17 (main): Set/Unset started.
18 * testsuite/17_intro/no_library_allocation.cc: New test case.
20 2023-08-21 Jonathan Wakely <jwakely@redhat.com>
22 * testsuite/18_support/nested_exception/rethrow_if_nested-term.cc:
23 Call std::set_terminate before throwing the nested exception.
25 2023-08-18 Jonathan Wakely <jwakely@redhat.com>
28 * include/std/format (formatter): Only define specializations
29 for 16-bit floating-point types for C++23.
30 * include/std/limits (numeric_limits): Likewise.
32 2023-08-18 Jonathan Wakely <jwakely@redhat.com>
34 * include/bits/chrono_io.h (operator<<): Make uses of wide
35 strings with streams and std::format type-dependent on _CharT.
36 * include/std/format [!_GLIBCXX_USE_WCHAR_T] Do not use
39 2023-08-18 Jonathan Wakely <jwakely@redhat.com>
41 * include/bits/chrono_io.h (operator<<): Use __format_context.
42 * include/std/format (__format::__format_context): New alias
44 [!_GLIBCXX_USE_WCHAR_T] (wformat_args, make_wformat_arg):
47 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
50 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
52 * config/locale/generic/c_locale.cc (__convert_to_v): Reuse
53 double overload for long double if possible.
55 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
57 * src/c++20/tzdb.cc (tzdata_file, leaps_file): Change type to
60 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
62 * config/locale/generic/c_locale.cc (__convert_to_v): Reuse
63 double overload for long double if possible.
65 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
67 * src/c++98/localename.cc (is_C_locale): New function.
68 (locale::locale(const char*)): Use is_C_locale.
70 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
73 * include/bits/basic_string.h (basic_string::assign(Iter, Iter)):
74 Dispatch to _M_replace or move assignment from a temporary,
75 based on the iterator type.
77 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
79 * include/std/format (formatter): Add partial specializations
80 for extended floating-point types.
81 * testsuite/std/format/functions/format.cc: Move test_float128()
83 * testsuite/std/format/formatter/ext_float.cc: New test.
85 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
87 * include/bits/c++config (__gnu_cxx::__bfloat16_t): Define
88 whenever __BFLT16_DIG__ is defined, not only for C++23.
89 * include/std/limits (numeric_limits<bfloat16_t>): Likewise.
90 (numeric_limits<_Float16>, numeric_limits<_Float32>)
91 (numeric_limits<_Float64>): Likewise for other extended
94 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
96 * include/experimental/internet (address_v4::to_string): Remove
97 unused parameter name.
99 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
101 * libsupc++/compare (__cmp_cat::__unseq): Make ctor consteval.
102 * testsuite/18_support/comparisons/categories/zero_neg.cc: Prune
103 excess errors caused by invalid consteval calls.
105 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
107 * include/bits/chrono_io.h (__units_suffix_misc): Remove.
108 (__units_suffix): Return a known suffix as string view, do not
109 write unknown suffixes to a buffer.
110 (__fmt_units_suffix): New function that formats the suffix using
112 (operator<<, __chrono_formatter::_M_q): Use __fmt_units_suffix.
113 (__chrono_formatter::_M_Z): Correct lifetime of wstring.
115 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
117 * include/std/format [_GLIBCXX_USE_WCHAR_T]: Guard all wide
118 string formatters with this macro.
119 (__formatter_int::_M_format_int, __formatter_fp::format)
120 (formatter<const void*, C>::format): Use __to_wstring_numeric
121 instead of std::ctype::widen.
122 (__formatter_fp::_M_localize): Use hardcoded wchar_t values
123 instead of std::ctype::widen.
124 * testsuite/std/format/functions/format.cc: Add more checks for
125 wstring formatting of arithmetic types.
127 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
129 * include/bits/basic_string.h (to_string(floating-point-type)):
130 Implement using std::to_chars for C++26.
131 * include/bits/version.def (__cpp_lib_to_string): Define.
132 * include/bits/version.h: Regenerate.
133 * testsuite/21_strings/basic_string/numeric_conversions/char/dr1261.cc:
134 Adjust expected result in C++26 mode.
135 * testsuite/21_strings/basic_string/numeric_conversions/char/to_string.cc:
137 * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/dr1261.cc:
139 * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/to_wstring.cc:
141 * testsuite/21_strings/basic_string/numeric_conversions/char/to_string_float.cc:
143 * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/to_wstring_float.cc:
145 * testsuite/21_strings/basic_string/numeric_conversions/version.cc:
148 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
150 * include/bits/basic_string.h (to_string(integral-type)): Use
151 resize_and_overwrite when available.
152 (__to_wstring_numeric): New helper functions.
153 (to_wstring): Use std::to_string then __to_wstring_numeric.
154 * testsuite/21_strings/basic_string/numeric_conversions/char/to_string_int.cc:
155 Remove check for no excess capacity.
157 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
159 * include/bits/basic_string.h (__resize_and_overwrite): New
161 * include/bits/basic_string.tcc (__resize_and_overwrite): New
163 (resize_and_overwrite): Simplify by using reserve instead of
164 growing the string manually. Adjust for C++11 compatibility.
165 * include/bits/cow_string.h (resize_and_overwrite): New
167 (__resize_and_overwrite): New function.
168 * include/bits/version.def (__cpp_lib_string_resize_and_overwrite):
169 Do not depend on cxx11abi.
170 * include/bits/version.h: Regenerate.
171 * include/std/format (__formatter_fp::_S_resize_and_overwrite):
173 (__formatter_fp::format, __formatter_fp::_M_localize): Use
174 __resize_and_overwrite instead of _S_resize_and_overwrite.
175 * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
176 Adjust for C++11 compatibility when included by ...
177 * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite_ext.cc:
180 2023-08-17 Patrick Palka <ppalka@redhat.com>
182 * include/bits/regex.h (regex_iterator::iterator_concept):
183 Define for C++20 as per P2770R0.
184 (regex_token_iterator::iterator_concept): Likewise.
185 * include/std/ranges (__detail::__as_lvalue): Define.
186 (join_view::_Iterator): Befriend join_view.
187 (join_view::_Iterator::_M_satisfy): Use _M_get_outer
189 (join_view::_Iterator::_M_get_outer): Define.
190 (join_view::_Iterator::_Iterator): Split constructor taking
191 _Parent argument into two as per P2770R0. Remove constraint on
193 (join_view::_Iterator::_M_outer): Make this data member present
194 only when the underlying range is forward.
195 (join_view::_Iterator::operator++): Use _M_get_outer instead of
197 (join_view::_Iterator::operator--): Use __as_lvalue helper.
198 (join_view::_Iterator::operator==): Adjust constraints as per
200 (join_view::_Sentinel::__equal): Use _M_get_outer instead of
202 (join_view::_M_outer): New data member when the underlying range
204 (join_view::begin): Adjust definition as per P2770R0.
205 (join_view::end): Likewise.
206 (join_with_view::_M_outer_it): New data member when the
207 underlying range is non-forward.
208 (join_with_view::begin): Adjust definition as per P2770R0.
209 (join_with_view::end): Likewise.
210 (join_with_view::_Iterator::_M_outer_it): Make this data member
211 present only when the underlying range is forward.
212 (join_with_view::_Iterator::_M_get_outer): Define.
213 (join_with_view::_Iterator::_Iterator): Split constructor
214 taking _Parent argument into two as per P2770R0. Remove
215 constraint on default constructor.
216 (join_with_view::_Iterator::_M_update_inner): Adjust definition
218 (join_with_view::_Iterator::_M_get_inner): Likewise.
219 (join_with_view::_Iterator::_M_satisfy): Adjust calls to
220 _M_get_inner. Use _M_get_outer instead of _M_outer_it.
221 (join_with_view::_Iterator::operator==): Adjust constraints
223 (join_with_view::_Sentinel::operator==): Use _M_get_outer
224 instead of _M_outer_it.
225 * testsuite/std/ranges/adaptors/p2770r0.cc: New test.
227 2023-08-17 Patrick Palka <ppalka@redhat.com>
230 * include/std/ranges (__adaptor::_RangeAdaptorClosure):
231 Convert into a CRTP class template. Move hidden operator|
232 friends into namespace scope and adjust their constraints.
233 (__closure::__is_range_adaptor_closure_fn): Define.
234 (__closure::__is_range_adaptor_closure): Define.
235 (__adaptor::_Partial): Adjust use of _RangeAdaptorClosure.
236 (__adaptor::_Pipe): Likewise.
237 (views::_All): Likewise.
238 (views::_Join): Likewise.
239 (views::_Common): Likewise.
240 (views::_Reverse): Likewise.
241 (views::_Elements): Likewise.
242 (views::_Adjacent): Likewise.
243 (views::_AsRvalue): Likewise.
244 (views::_Enumerate): Likewise.
245 (views::_AsConst): Likewise.
246 * testsuite/std/ranges/adaptors/all.cc: Reinstate assertion
247 expecting that adding empty range adaptor closure objects to a
248 pipeline doesn't increase the size of a pipeline.
250 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
252 * include/std/format (__format::_Pres_type): Add _Pres_F.
253 (__formatter_fp::parse): Use _Pres_F for 'F'.
254 (__formatter_fp::format): Set __upper for _Pres_F.
255 * testsuite/std/format/functions/format.cc: Check formatting of
256 infinity and NaN for each presentation type.
258 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
260 * include/Makefile.in: Regenerate.
262 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
264 * testsuite/24_iterators/move_iterator/p2520r0.cc: Add no_pch.
265 * testsuite/std/format/functions/format.cc: Likewise.
266 * testsuite/std/format/functions/format_c++23.cc: Likewise.
268 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
270 * testsuite/lib/dg-options.exp (add_options_for_no_pch): Remove
271 any "-include bits/stdc++.h" from options and add the macro to
272 the existing options instead of replacing them.
274 2023-08-16 Jonathan Wakely <jwakely@redhat.com>
276 * include/bits/basic_string.tcc (resize_and_overwrite): Invoke
277 the callable with the same size as resize_and_overwrite was
279 * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
280 Check with small values for the new size.
281 * testsuite/std/format/functions/format.cc: Check wide
282 formatting of double values that produce small strings.
283 * testsuite/std/format/functions/format_c++23.cc: New test.
285 2023-08-16 Jonathan Wakely <jwakely@redhat.com>
287 * include/bits/version.def (stds): Update value for C++23.
288 * include/bits/version.h: Regenerate.
290 2023-08-16 Jonathan Wakely <jwakely@redhat.com>
292 * testsuite/25_algorithms/pstl/alg_sorting/set_difference.cc:
293 Fix name of upstream file this was derived from.
294 * testsuite/25_algorithms/pstl/alg_sorting/set_intersection.cc:
296 * testsuite/25_algorithms/pstl/alg_sorting/set_symmetric_difference.cc:
298 * testsuite/25_algorithms/pstl/alg_sorting/set_union.cc:
300 * testsuite/25_algorithms/pstl/alg_sorting/set_util.h: Likewise.
302 2023-08-16 Arsen Arsenović <arsen@aarsen.me>
304 * libsupc++/typeinfo: Switch to bits/version.h for
305 __cpp_lib_constexpr_typeinfo.
306 * libsupc++/new: Switch to bits/version.h for
307 __cpp_lib_{launder,hardware_interference_size,destroying_delete}.
308 (launder): Guard behind __cpp_lib_launder.
309 (hardware_destructive_interference_size)
310 (hardware_constructive_interference_size): Guard behind
311 __cpp_lib_hardware_interference_size.
312 * libsupc++/exception: Switch to bits/version.h for
313 __cpp_lib_uncaught_exceptions.
314 (uncaught_exceptions): Guard behind __cpp_lib_uncaught_exceptions.
315 * libsupc++/compare: Switch to bits/version.h for
316 __cpp_lib_three_way_comparison.
317 (three_way_comparable, three_way_comparable_with)
318 (compare_three_way, weak_order, strong_order, partial_order):
319 Guard behind __cpp_lib_three_way_comparison >= 201907L.
320 * include/std/chrono: Drop __cpp_lib_chrono definition.
321 * include/std/vector: Switch to bits/version.h for
323 (erase, erase_if): Guard behind __cpp_lib_erase_if.
324 * include/std/variant: Switch to bits/version.h for
325 __cpp_lib_variant. Guard whole header behind that FTM.
326 * include/std/utility: Switch to bits/version.h for
327 __cpp_lib_{exchange_function,constexpr_algorithms,as_const},
328 __cpp_lib_{integer_comparison_functions,to_underlying}, and
329 __cpp_lib_unreachable.
330 (exchange): Guard behind __cpp_lib_exchange_function.
331 (cmp_equal, cmp_not_equal, cmp_less, cmp_greater, cmp_less_equal)
332 (cmp_greater_equal, in_range): Guard behind
333 __cpp_lib_integer_comparison_functions.
334 (to_underlying): Guard behind __cpp_lib_to_underlying.
335 (unreachable): Guard behind __cpp_lib_unreachable.
336 * include/std/type_traits: Switch to bits/version.h for
337 __cpp_lib_is_{null_pointer,final,nothrow_convertible,aggregate},
338 __cpp_lib_is_{constant_evaluated,invocable,layout_compatible},
339 __cpp_lib_is_{pointer_interconvertible,scoped_enum,swappable},
340 __cpp_lib_{logical_traits,reference_from_temporary,remove_cvref},
341 __cpp_lib_{result_of_sfinae,transformation_trait_aliases},
342 __cpp_lib_{type_identity,type_trait_variable_templates},
343 __cpp_lib_{unwrap_ref,void_t,integral_constant_callable},
344 __cpp_lib_{bool_constant,bounded_array_traits}, and
345 __cpp_lib_has_unique_object_representations.
346 (integral_constant::operator()): Guard behind
347 __cpp_lib_integral_constant_callable.
348 (bool_constant): Guard behind __cpp_lib_bool_constant.
349 (conjunction, disjunction, negation, conjunction_v, disjunction_v)
350 (negation_v): Guard behind __cpp_lib_logical_traits.
351 (is_null_pointer): Guard behind __cpp_lib_is_null_pointer.
352 (is_final): Guard behind __cpp_lib_is_final.
353 (is_nothrow_convertible, is_nothrow_convertible_v): Guard behind
354 __cpp_lib_is_nothrow_convertible.
355 (remove_const_t, remove_volatile_t, remove_cv_t)
356 (add_const_t, add_volatile_t, add_cv_t): Guard behind
357 __cpp_lib_transformation_trait_aliases.
358 (void_t): Guard behind __cpp_lib_void_t.
359 (is_swappable_with_v, is_nothrow_swappable_with_v)
360 (is_swappable_with, is_nothrow_swappable_with): Guard behind
361 __cpp_lib_is_swappable.
362 (is_nothrow_invocable_r, is_invocable_r, invoke_result)
363 (is_invocable, invoke_result_t): Guard behind
364 __cpp_lib_is_invocable.
365 (alignment_of_v, extent_v, has_virtual_destructor_v)
366 (is_abstract_v, is_arithmetic_v, is_array_v)
367 (is_assignable_v, is_base_of_v, is_class_v, is_compound_v)
368 (is_constructible_v, is_const_v, is_convertible_v)
369 (is_copy_assignable_v, is_copy_constructible_v)
370 (is_default_constructible_v, is_destructible_v)
371 (is_empty_v, is_enum_v, is_final_v, is_floating_point_v)
372 (is_function_v, is_fundamental_v, is_integral_v)
373 (is_invocable_r_v, is_invocable_v, is_literal_type_v)
374 (is_lvalue_reference_v, is_member_function_pointer_v)
375 (is_member_object_pointer_v, is_member_pointer_v)
376 (is_move_assignable_v, is_move_constructible_v)
377 (is_nothrow_assignable_v, is_nothrow_constructible_v)
378 (is_nothrow_copy_assignable_v, is_nothrow_copy_constructible_v)
379 (is_nothrow_default_constructible_v, is_nothrow_destructible_v)
380 (is_nothrow_invocable_r_v, is_nothrow_invocable_v)
381 (is_nothrow_move_assignable_v, is_nothrow_move_constructible_v)
382 (is_null_pointer_v, is_object_v, is_pod_v, is_pointer_v)
383 (is_polymorphic_v, is_reference_v, is_rvalue_reference_v)
384 (is_same_v, is_scalar_v, is_signed_v, is_standard_layout_v)
385 (is_trivially_assignable_v, is_trivially_constructible_v)
386 (is_trivially_copyable_v, is_trivially_copy_assignable_v)
387 (is_trivially_copy_constructible_v)
388 (is_trivially_default_constructible_v)
389 (is_trivially_destructible_v, is_trivially_move_assignable_v)
390 (is_trivially_move_constructible_v, is_trivial_v, is_union_v)
391 (is_unsigned_v, is_void_v, is_volatile_v, rank_v, as variadic):
392 Guard behind __cpp_lib_type_trait_variable_templates.
393 (has_unique_object_representations)
394 (has_unique_object_representations_v): Guard behind
395 __cpp_lib_has_unique_object_representation.
396 (is_aggregate): Guard behind __cpp_lib_is_aggregate.
397 (remove_cvref, remove_cvref_t): Guard behind
398 __cpp_lib_remove_cvref.
399 (type_identity, type_identity_t): Guard behind
400 __cpp_lib_type_identity.
401 (unwrap_reference, unwrap_reference_t, unwrap_ref_decay)
402 (unwrap_ref_decay_t): Guard behind __cpp_lib_unwrap_ref.
403 (is_bounded_array_v, is_unbounded_array_v, is_bounded_array)
404 (is_unbounded_array): Guard behind __cpp_lib_bounded_array_traits.
405 (is_scoped_enum, is_scoped_enum_v): Guard behind
406 __cpp_lib_is_scoped_enum.
407 (reference_constructs_from_temporary)
408 (reference_constructs_from_temporary_v): Guard behind
409 __cpp_lib_reference_from_temporary.
410 * include/std/tuple: Switch to bits/version.h for
411 __cpp_lib_{constexpr_tuple,tuple_by_type,apply_make_from_tuple}.
412 (get<T>): Guard behind __cpp_lib_tuple_by_type.
413 (apply): Guard behind __cpp_lib_apply.
414 (make_from_tuple): Guard behind __cpp_lib_make_from_tuple.
415 * include/std/syncstream: Switch to bits/version.h for
416 __cpp_lib_syncbuf. Guard header behind that FTM.
417 * include/std/string_view: Switch to bits/version.h for
418 __cpp_lib_{string_{view,contains},constexpr_string_view} and
419 __cpp_lib_starts_ends_with.
420 (basic_string_view::starts_with, basic_string_view::ends_with):
421 Guard behind __cpp_lib_starts_ends_with.
422 [C++23 && _GLIBCXX_HOSTED && !defined(__cpp_lib_string_contains)]:
423 Assert as impossible ithout a bug in C++23.
424 * include/std/string: Switch to bits/version.h for
426 (erase, erase_if): Guard behind __cpp_lib_erase_if.
427 * include/std/thread: Switch to bits/version.h for
429 * include/std/stop_token: Switch to bits/version.h for
431 * include/std/spanstream: Switch to bits/version.h for
432 __cpp_lib_spanstream. Guard header behind that FTM.
433 * include/std/span: Switch to bits/version.h for __cpp_lib_span.
434 Guard header behind that FTM.
435 * include/std/source_location: Switch to bits/version.h for
436 __cpp_lib_source_location. Guard header with that FTM.
437 * include/std/shared_mutex: Switch to bits/version.h for
438 __cpp_lib_shared{,_timed}_mutex.
439 (shared_mutex): Guard behind __cpp_lib_shared_mutex.
440 * include/std/semaphore: Switch to bits/version.h for
441 __cpp_lib_semaphore. Guard header behind that FTM.
442 * include/std/ranges: Switch to bits/version.h for
443 __cpp_lib_ranges_{zip,chunk{,_by},slide,join_with},
444 __cpp_lib_ranges_{repeat_stride,cartesian_product,as_rvalue},
445 and __cpp_lib_ranges_{as_const,enumerate,iota}.
446 (ranges::zip et al, ranges::chunk et al, ranges::slide et al)
447 (ranges::chunk_by et al, ranges::join_with et al)
448 (ranges::stride et al, ranges::cartesian_product et al)
449 (ranges::as_rvalue et al, ranges::as_const et al)
450 (ranges::enumerate et al): Guard behind appropriate FTM.
451 * include/std/optional: Switch to bits/version.h for
452 __cpp_lib_optional. Guard header behind that FTM.
453 * include/std/numeric: Switch to bits/version.h for
454 __cpp_lib_{gcd{,_lcm},lcm,constexpr_numeric,interpolate}
455 and __cpp_lib_parallel_algorithm.
456 (gcd, lcm): Guard behind __cpp_lib_gcd_lcm.
457 (midpoint): Guard behind __cpp_lib_interpolate.
458 * include/std/numbers: Switch to bits/version.h for
459 __cpp_lib_math_constants. Guard header behind that FTM.
460 * include/std/mutex: Switch to bits/version.h for
461 __cpp_lib_scoped_lock.
462 (scoped_Lock): Guard behind __cpp_lib_scoped_lock.
463 * include/std/memory_resource: Switch to bits/version.h for
464 __cpp_lib_{polymorphic_allocator,memory_resource}.
465 (synchronized_pool_resource): Guard behind
466 __cpp_lib_memory_resource >= 201603L.
467 (polymorphic_allocator): Guard behind
468 __cpp_lib_polymorphic_allocator.
469 * include/std/memory: Switch to bits/version.h for
470 __cpp_lib_{parallel_algorithm,atomic_value_initialization}.
471 * include/std/list: Switch to bits/version.h for
473 (erase, erase_if): Guard behind __cpp_lib_erase_if.
474 * include/std/latch: Switch to bits/version.h for __cpp_lib_latch.
475 Guard header behind that FTM.
476 * include/std/iterator: Switch to bits/version.h for
477 __cpp_lib_null_iterators.
478 * include/std/iomanip: Switch to bits/version.h for
479 __cpp_lib_quoted_string_io.
480 (quoted): Guard behind __cpp_lib_quoted_string_io.
481 * include/std/functional: Switch to bits/version.h for
482 __cpp_lib_{invoke{,_r},constexpr_functional,bind_front} and
483 __cpp_lib_{not_fn,booyer_moore_searcher}.
484 (invoke): Guard behind __cpp_lib_invoke.
485 (invoke_r): Guard behind __cpp_lib_invoke_r.
486 (bind_front): Guard behind __cpp_lib_bind_front.
487 (not_fn): Guard behind __cpp_lib_not_fn.
488 (boyer_moore_searcher, boyer_moore_horspool_searcher): Guard
489 definition behind __cpp_lib_boyer_moore_searcher.
490 * include/std/forward_list: Switch to bits/version.h for
492 (erase, erase_if): Guard behind __cpp_lib_erase_if.
493 * include/std/format: Switch to bits/version.h for
494 __cpp_lib_format. Guard header behind that FTM.
495 * include/std/filesystem: Switch to bits/version.h for
496 __cpp_lib_filesystem. Guard header behind that FTM.
497 * include/std/expected: Switch to bits/version.h for
498 __cpp_lib_expected. Guard header behind it.
499 * include/std/execution: Switch to bits/version.h for
500 __cpp_lib_{execution,parallel_algorithm}. Guard header behind
502 * include/std/deque: Switch to bits/version.h for
504 (erase, erase_if): Guard behind __cpp_lib_erase_if.
505 * include/std/coroutine: Switch to bits/version.h for
506 __cpp_lib_coroutine. Guard header behind that FTM.
507 * include/std/concepts: Switch to bits/version.h for
508 __cpp_lib_concepts. Guard header behind that FTM.
509 * include/std/complex: Switch to bits/version.h for
510 __cpp_lib_{complex_udls,constexpr_complex}.
511 (operator""if, operator""i, operator""il): Guard behind
512 __cpp_lib_complex_udls.
513 * include/std/charconv: Swtich to bits/version.h for
514 __cpp_lib_{to_chars,constexpr_charconv}.
515 * include/std/bitset: Switch to bits/version.h for
516 __cpp_lib_constexpr_bitset.
517 * include/std/bit: Switch to bits/version.h for
518 __cpp_lib_{bit_cast,byteswap,bitops,int_pow2,endian}.
519 (bit_cast): Guard behind __cpp_lib_bit_cast.
520 (byteswap): Guard behind __cpp_lib_byteswap.
521 (rotl, rotr, countl_zero, countl_one, countr_zero, countr_one)
522 (popcount): Guard behind __cpp_lib_bitops.
523 (has_single_bit, bit_ceil, bit_floor, bit_width): Guard behind
525 (endian): Guard behind __cpp_lib_endian.
526 * include/std/barrier: Switch to bits/version.h for
527 __cpp_lib_barrier. Guard header behind that FTM.
528 * include/std/atomic: Switch to bits/version.h for
529 __cpp_lib_atomic_{is_always_lock_free,float,ref}
530 and __cpp_lib_lock_free_type_aliases.
531 (*::is_always_lock_free): Guard behind
532 __cpp_lib_atomic_is_always_lock_free.
533 (atomic<float>): Guard behind __cpp_lib_atomic_float.
534 (atomic_ref): Guard behind __cpp_lib_atomic_ref.
535 (atomic_signed_lock_free, atomic_unsigned_lock_free): Guard behind
536 __cpp_lib_atomic_lock_free_type_aliases.
537 * include/std/array: Switch to bits/version.h for
539 (to_array): Guard behind __cpp_lib_to_array.
540 * include/std/any: Switch to bits/version.h for __cpp_lib_any.
541 Guard header behind that FTM.
542 * include/std/algorithm: Switch to bits/version.h for
543 __cpp_lib_parallel_algorithm.
544 * include/c_global/cstddef: Switch to bits/version.h for
546 (byte): Guard behind __cpp_lib_byte.
547 * include/c_global/cmath: Switch to bits/version.h for
548 __cpp_lib_{hypot,interpolate}.
549 (hypot3): Guard behind __cpp_lib_hypot.
550 (lerp): Guard behind __cpp_lib_interpolate.
551 * include/c_compatibility/stdatomic.h: Switch to
552 bits/stl_version.h for __cpp_lib_atomic. Guard header behind that
554 * include/bits/utility.h: Switch to bits/version.h for
555 __cpp_lib_{tuple_element_t,integer_sequence,ranges_zip}.
556 (tuple_element_t): Guard behind __cpp_lib_tuple_element_t.
557 (integer_sequence et al): Guard behind __cpp_lib_integer_sequence.
558 * include/bits/uses_allocator_args.h: Switch to bits/version.h for
559 __cpp_lib_make_obj_using_allocator. Guard header behind that FTM.
560 * include/bits/unordered_map.h: Switch to bits/version.h for
561 __cpp_lib_unordered_map_try_emplace.
562 (try_emplace): Guard behind __cpp_lib_unordered_map_try_emplace.
563 * include/bits/unique_ptr.h: Switch to bits/version.h for
564 __cpp_lib_{constexpr_memory,make_unique}.
565 (make_unique): Guard behind __cpp_lib_make_unique.
566 * include/bits/stl_vector.h: Switch to bits/version.h for
567 __cpp_lib_constexpr_vector.
568 * include/bits/stl_uninitialized.h: Switch to bits/version.h for
569 __cpp_lib_raw_memory_algorithms.
570 (uninitialized_default_construct)
571 (uninitialized_default_construct_n, uninitialized_move)
572 (uninitialized_move_n, uninitialized_value_construct)
573 (uninitialized_value_construct_n): Guard behind
574 __cpp_lib_raw_memory_algorithms.
575 * include/bits/stl_tree.h: Switch to bits/version.h for
576 __cpp_lib_generic_associative_lookup.
577 * include/bits/stl_stack.h: Switch to bits/version.h for
578 __cpp_lib_adaptor_iterator_pair_constructor.
579 (stack): Guard iterator-pair constructor behind
580 __cpp_lib_adaptor_iterator_pair_constructor.
581 * include/bits/stl_queue.h: Switch to bits/version.h for
582 __cpp_lib_adaptor_iterator_pair_constructor.
583 (queue): Guard iterator-pair constructor behind
584 __cpp_lib_adaptor_iterator_pair_constructor.
585 * include/bits/stl_pair.h: Switch to bits/version.h for
586 __cpp_lib_{concepts,tuples_by_type}.
587 (get): Guard type-getting overloads behind
588 __cpp_lib_tuples_by_type.
589 * include/bits/stl_map.h: Switch to bits/version.h for
590 __cpp_lib_map_try_emplace.
591 (map<>::try_emplace): Guard behind __cpp_lib_map_try_emplace.
592 * include/bits/stl_list.h: Switch to bits/version.h for
593 __cpp_lib_list_remove_return_type.
594 (__remove_return_type, _GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG)
595 [C++20]: guard behind __cpp_lib_list_remove_return_type instead.
596 * include/bits/stl_iterator.h: Switch to bits/version.h for
597 __cpp_lib_{constexpr_iterator,array_constexpr} and
598 __cpp_lib_{make_reverse_iterator,move_iterator_concept}.
599 (make_reverse_iterator): Guard behind
600 __cpp_lib_make_reverse_iterator.
601 (iterator_concept et al): Guard __cpp_lib_move_iterator_concept
602 changes behind that FTM.
603 * include/bits/stl_function.h: Switch to bits/version.h for
604 __cpp_lib_transparent_operators.
605 (equal_to, not_equal_to, greater, less, greater_equal)
606 (less_equal, bit_and, bit_or, bit_xor, bit_not, logical_and)
607 (logical_or, logical_not, plus, minus, multiplies, divides)
608 (modulus, negate): Guard '= void' fwdecls behind
609 __cpp_lib_transparent_operators.
610 (plus<void>, minus<void>, multiplies<void>, divides<void>)
611 (modulus<void>, negate<void>, logical_and<void>, logical_or<void>)
612 (logical_not<void>, bit_and<void>, bit_or<void>, bit_xor<void>)
613 (equal_to<void>, not_equal_to<void>, greater<void>, less<void>)
614 (greater_equal<void>, less_equal<void>, bit_not<void>)
615 (__has_is_transparent): Guard behind
616 __cpp_lib_transparent_operators.
617 * include/bits/stl_algobase.h: Switch to bits/version.h for
618 __cpp_lib_robust_nonmodifying_seq_ops.
619 (robust equal, mismatch): Guard behind
620 __cpp_lib_nonmember_container_access.
621 * include/bits/stl_algo.h: Swtich to bits/version.h for
622 __cpp_lib_{clamp,sample}.
623 (clamp): Guard behind __cpp_lib_clamp.
624 (sample): Guard behind __cpp_lib_sample.
625 * include/bits/specfun.h: Switch to bits/version.h for
626 __cpp_lib_math_special_functions and __STDCPP_MATH_SPEC_FUNCS__.
627 * include/bits/shared_ptr_base.h: Switch to bits/version.h for
628 __cpp_lib_{smart_ptr_for_overwrite,shared_ptr_arrays}.
629 (_Sp_overwrite_tag): Guard behind
630 __cpp_lib_smart_ptr_for_overwrite.
631 * include/bits/shared_ptr_atomic.h: Switch to bits/version.h for
632 __cpp_lib_atomic_shared_ptr.
633 * include/bits/shared_ptr.h: Switch to bits/version.h for
634 __cpp_lib_{enable_shared_from_this,shared_ptr_weak_type}.
635 (shared_ptr<T>::weak_type): Guard behind
636 __cpp_lib_shared_ptr_weak_type.
637 (enable_shared_from_this<T>::weak_from_this): Guard behind
638 __cpp_lib_enable_shared_from_this.
639 * include/bits/ranges_cmp.h: Switch to bits/version.h for
641 * include/bits/ranges_algo.h: Switch to bits/version.h for
642 __cpp_lib_{shift,ranges_{contains,find_last,fold,iota}}.
643 * include/bits/range_access.h: Switch to bits/version.h for
644 __cpp_lib_nonmember_container_access
645 (size, empty, data): Guard behind
646 __cpp_lib_nonmember_container_access.
647 (ssize): Guard behind __cpp_lib_ssize.
648 * include/bits/ptr_traits.h: Switch to bits/version.h. for
649 __cpp_lib_{constexpr_memory,to_address}.
650 (to_address): Guard behind __cpp_lib_to_address.
651 * include/bits/node_handle.h: Switch to bits/version.h for
652 __cpp_lib_node_extract. Guard header behind that FTM.
653 * include/bits/move_only_function.h: Switch to bits/version.h for
654 __cpp_lib_move_only_function. Guard header behind that FTM.
655 * include/bits/move.h: Switch to bits/version.h for
656 __cpp_lib_addressof_constexpr.
657 * include/bits/ios_base.h: Switch to bits/version.h for
658 __cpp_lib_ios_noreplace.
659 (noreplace): Guard with __cpp_lib_ios_noreplace.
660 * include/bits/hashtable.h: Switch to bits/version.h for
661 __cpp_lib_generic_unordered_lookup.
662 (_M_equal_range_tr, _M_count_tr, _M_find_tr): Guard behind
663 __cpp_lib_generic_unordered_lookup.
664 * include/bits/forward_list.h: Switch to bits/version.h for
665 __cpp_lib_list_remove_return_type.
666 (__remove_return_type): Guard behind
667 __cpp_lib_list_remove_return_type.
668 * include/bits/erase_if.h: Switch to bits/version.h for
670 * include/bits/cow_string.h: Switch to bits/version.h for
671 __cpp_lib_constexpr_string.
672 * include/bits/chrono.h: Swtich to bits/version.h for
673 __cpp_lib_chrono{,_udls}.
674 (ceil): Guard behind __cpp_lib_chrono.
675 (operator""ns et al): Guard behind __cpp_lib_chrono_udls.
676 * include/bits/char_traits.h: Switch to bits/version.h for
677 __cpp_lib_constexpr_char_traits.
678 * include/bits/basic_string.h: Switch to bits/version.h for
679 __cpp_lib_{constexpr_string,string_{resize_and_overwrite,udls}}.
680 (resize_and_overwrite): Guard behind
681 __cpp_lib_string_resize_and_overwrite.
682 (operator""s): Guard behind __cpp_lib_string_udls.
683 * include/bits/atomic_wait.h: Switch to bits/version.h for
684 __cpp_lib_atomic_wait. Guard header behind that FTM.
685 * include/bits/atomic_base.h: Switch to bits/version.h for
686 __cpp_lib_atomic_value_initialization and
687 __cpp_lib_atomic_flag_test.
688 (atomic_flag::test): Guard behind __cpp_lib_atomic_flag_test,
690 * include/bits/allocator.h: Switch to bits/version.h for
691 __cpp_lib_incomplete_container_elements.
692 * include/bits/alloc_traits.h: Switch to using bits/version.h for
693 __cpp_lib_constexpr_dynamic_alloc and
694 __cpp_lib_allocator_traits_is_always_equal.
695 * include/bits/align.h: Switch to bits/version.h for defining
696 __cpp_lib_assume_aligned.
697 (assume_aligned): Guard with __cpp_lib_assume_aligned.
698 * include/bits/algorithmfwd.h: Switch to bits/version.h for
699 defining __cpp_lib_constexpr_algorithms.
700 * include/std/stacktrace: Switch to bits/version.h for
701 __cpp_lib_stacktrace. Guard header behind that FTM.
702 * testsuite/23_containers/array/tuple_interface/get_neg.cc:
705 2023-08-16 Arsen Arsenović <arsen@aarsen.me>
707 * include/Makefile.am (bits_freestanding): Add version.h.
708 (allcreated): Add version.h.
709 (${bits_srcdir}/version.h): New rule. Regenerates
710 version.h out of version.{def,tpl}.
711 * include/Makefile.in: Regenerate.
712 * include/bits/version.def: New file. Declares a list of
713 all feature test macros, their values and their preconditions.
714 * include/bits/version.tpl: New file. Turns version.def
715 into a sequence of #if blocks.
716 * include/bits/version.h: New file. Generated from
718 * include/std/version: Replace with a __glibcxx_want_all define
719 and bits/version.h include.
721 2023-08-14 Paul Dreik <gccpatches@pauldreik.se>
724 * include/std/format (__formatter_fp::format): Use frexp instead
727 2023-08-12 Ken Matsui <kmatsui@gcc.gnu.org>
729 * include/std/type_traits (true_type): Use __bool_constant
731 (false_type): Likewise.
732 (bool_constant): Likewise.
734 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
737 * include/std/format (_Seq_sink::get): Only call _M_overflow if
738 its precondition is met.
739 (_Iter_sink::_M_finish): Likewise.
740 (_Iter_sink<C, ContigIter>::_M_overflow): Only switch to the
741 internal buffer after running out of space.
742 (_Iter_sink<C, ContigIter>::_M_finish): Do not use _M_overflow.
743 (_Counting_sink::count): Likewise.
744 * testsuite/std/format/functions/format_to_n.cc: Check cases
745 where the output fits into the buffer.
747 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
750 * include/bits/chrono_io.h (operator|=, operator|): Add noexcept
751 to _ChronoParts operators.
752 (from_stream, parse): Define new functions.
753 (__detail::_Parse, __detail::_Parser): New class templates.
754 * include/std/chrono (__cpp_lib_chrono): Define to 201907L for
756 * include/std/version (__cpp_lib_chrono): Likewise.
757 * testsuite/20_util/duration/arithmetic/constexpr_c++17.cc:
758 Adjust expected value of feature test macro.
759 * testsuite/20_util/duration/io.cc: Test parsing.
760 * testsuite/std/time/clock/file/io.cc: Likewise.
761 * testsuite/std/time/clock/gps/io.cc: Likewise.
762 * testsuite/std/time/clock/system/io.cc: Likewise.
763 * testsuite/std/time/clock/tai/io.cc: Likewise.
764 * testsuite/std/time/clock/utc/io.cc: Likewise.
765 * testsuite/std/time/day/io.cc: Likewise.
766 * testsuite/std/time/month/io.cc: Likewise.
767 * testsuite/std/time/month_day/io.cc: Likewise.
768 * testsuite/std/time/weekday/io.cc: Likewise.
769 * testsuite/std/time/year/io.cc: Likewise.
770 * testsuite/std/time/year_month/io.cc: Likewise.
771 * testsuite/std/time/year_month_day/io.cc: Likewise.
772 * testsuite/std/time/syn_c++20.cc: Check value of macro and for
773 the existence of parse and from_stream in namespace chrono.
774 * testsuite/std/time/clock/local/io.cc: New test.
775 * testsuite/std/time/parse.cc: New test.
777 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
780 * include/std/format (__formatter_fp::format): Do not call log10
783 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
785 * python/libstdcxx/v6/printers.py (StdChronoCalendarPrinter):
786 Check for out-of-range month an weekday indices.
787 * testsuite/libstdc++-prettyprinters/chrono.cc: Check invalid
788 month and weekday values.
790 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
792 * include/bits/stl_iterator.h (__clamped_iter_cat_t): Remove.
794 2023-08-10 Jonathan Wakely <jwakely@redhat.com>
797 * include/std/format (_Spec::_S_parse_width_or_precision): Check
798 for empty range before dereferencing iterator.
799 * testsuite/std/format/string.cc: Check for expected exception.
800 Fix expected exception message in test_pr110862() and actually
803 2023-08-10 Jonathan Wakely <jwakely@redhat.com>
806 * include/std/format (__formatter_fp::format): Check return
807 value of _M_localize.
808 * testsuite/std/format/functions/format.cc: Check classic
811 2023-08-10 Jonathan Wakely <jwakely@redhat.com>
814 * include/bits/stl_iterator.h (__detail::__move_iter_cat): Use
816 (iterator_traits<common_iterator<I, S>>::_S_iter_cat): Likewise.
817 (__detail::__basic_const_iterator_iter_cat): Likewise.
818 * include/bits/stl_iterator_base_types.h (__iterator_category_t):
819 Rename to __iter_category_t.
821 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
823 * include/bits/chrono.h (duration_cast): Do not use braces
824 around statements for C++11 constexpr rules.
825 * include/bits/stl_algobase.h (__lg): Rewrite as a single
826 statement for C++11 constexpr rules.
827 * include/experimental/bits/fs_path.h (path::string): Use
828 _GLIBCXX17_CONSTEXPR not _GLIBCXX_CONSTEXPR for 'if constexpr'.
829 * include/std/charconv (__to_chars_8): Initialize variable for
830 C++17 constexpr rules.
832 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
834 * include/bits/list.tcc (list::sort(Cmp)): Fix -Wsign-compare
835 warning for loop condition.
837 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
839 * include/std/complex: Add diagnostic pragma for clang.
841 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
843 * include/bits/shared_ptr_atomic.h (atomic): Change class-head
845 * include/bits/stl_tree.h (_Rb_tree_merge_helper): Change
846 class-head to struct in friend declaration.
847 * include/std/chrono (tzdb_list::_Node): Likewise.
848 * include/std/future (_Task_state_base, _Task_state): Likewise.
849 * include/std/scoped_allocator (__inner_type_impl): Likewise.
850 * include/std/valarray (_BinClos, _SClos, _GClos, _IClos)
851 (_ValFunClos, _RefFunClos): Change class-head to struct.
853 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
855 * include/bits/alloc_traits.h (allocate): Add [[maybe_unused]]
857 * include/bits/regex_executor.tcc: Remove name of unused
859 * include/bits/shared_ptr_atomic.h (atomic_is_lock_free):
861 * include/bits/stl_uninitialized.h: Likewise.
862 * include/bits/streambuf_iterator.h (operator==): Likewise.
863 * include/bits/uses_allocator.h: Likewise.
864 * include/c_global/cmath (isfinite, isinf, isnan): Likewise.
865 * include/std/chrono (zoned_time): Likewise.
866 * include/std/future (__future_base::_S_allocate_result):
868 (packaged_task): Likewise.
869 * include/std/optional (_Optional_payload_base): Likewise.
870 * include/std/scoped_allocator (__inner_type_impl): Likewise.
871 * include/std/tuple (_Tuple_impl): Likewise.
873 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
875 * include/bits/new_allocator.h (__new_allocator): Define copy
876 assignment operator as defaulted.
877 * include/std/complex (complex<float>, complex<double>)
878 (complex<long double>): Define copy constructor as defaulted.
880 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
882 * include/std/format: Fix some warnings.
883 (__format::__write(Ctx&, basic_string_view<CharT>)): Remove
884 unused function template.
886 2023-08-07 Jonathan Wakely <jwakely@redhat.com>
889 * include/std/format (__formatter_fp::format): Do not use
890 __builtin_abs and __builtin_log10 with arbitrary floating-point
893 2023-08-07 Jonathan Wakely <jwakely@redhat.com>
896 * include/std/format (__format::_Iter_sink<CharT, OutIter>):
897 Constrain partial specialization for contiguous iterators to
898 require the value type to be CharT.
899 * testsuite/std/format/functions/format_to.cc: New test.
901 2023-08-07 Jonathan Wakely <jwakely@redhat.com>
904 * include/std/format (_Scanner::_M_on_replacement_field):
905 Check for expected '}' before incrementing iterator.
906 * testsuite/std/format/string.cc: Check "{0:{0}" format string.
908 2023-08-07 Nick Alcock <nick.alcock@oracle.com>
910 * configure: Regenerate.
912 2023-08-07 Alan Modra <amodra@gmail.com>
914 * configure: Regenerate.
916 2023-08-07 Alexander von Gluck IV <kallisti5@unixzen.com>
918 * configure: Regenerate.
920 2023-08-07 Nick Alcock <nick.alcock@oracle.com>
922 * configure: Regenerate.
924 2023-08-07 Nick Alcock <nick.alcock@oracle.com>
926 * configure: Regenerate.
928 2023-08-07 H.J. Lu <hjl.tools@gmail.com>
930 * configure: Regenerate.
932 2023-08-07 H.J. Lu <hjl.tools@gmail.com>
934 * configure: Regenerate.
936 2023-08-06 François Dumont <fdumont@gcc.gnu.org>
938 * config/abi/pre/gnu-versioned-namespace.ver: Add __cxa_call_terminate
941 2023-07-30 François Dumont <fdumont@gcc.gnu.org>
943 * src/c++11/compatibility-ldbl-facets-aliases.h: Replace #define with
945 * src/c++11/locale-inst-monetary.h: Likewise.
946 * src/c++11/locale-inst-numeric.h: Likewise.
948 2023-07-27 Jonathan Wakely <jwakely@redhat.com>
951 * include/std/format (__formatter_fp::format): Ensure __expc is
952 always set for all presentation types. Set __z correctly for
954 * testsuite/std/format/functions/format.cc: Check problem cases.
956 2023-07-26 Jonathan Wakely <jwakely@redhat.com>
959 * testsuite/23_containers/vector/bool/110807.cc: Require c++11.
961 2023-07-26 Jonathan Wakely <jwakely@redhat.com>
964 * include/bits/stl_bvector.h (vector(const vector&)): Access
965 iterators before allocating.
966 * include/bits/vector.tcc (vector<bool>::_M_insert_range):
968 * testsuite/23_containers/vector/bool/110807.cc: New test.
970 2023-07-26 Jonathan Wakely <jwakely@redhat.com>
972 * include/bits/algorithmfwd.h (random_shuffle): Add deprecated
974 * include/bits/stl_algo.h (random_shuffle): Correct comments.
975 * testsuite/25_algorithms/random_shuffle/1.cc: Disable
977 * testsuite/25_algorithms/random_shuffle/59603.cc: Likewise.
978 * testsuite/25_algorithms/random_shuffle/moveable.cc: Likewise.
979 * testsuite/25_algorithms/random_shuffle/deprecated.cc: New
982 2023-07-26 Nathaniel Shead <nathanieloshead@gmail.com>
984 * testsuite/25_algorithms/equal/constexpr_neg.cc: Update diagnostic
986 * testsuite/26_numerics/gcd/105844.cc: Likewise.
987 * testsuite/26_numerics/lcm/105844.cc: Likewise.
989 2023-07-24 Deev Patel <pateldeev@nevada.unr.edu>
991 * include/std/format (_Formatting_scanner::_M_on_chars): Add
992 missing constexpr specifier.
993 (_Formatting_scanner::_M_format_arg): Likewise.
995 2023-07-24 Jonathan Wakely <jwakely@redhat.com>
998 * include/bits/basic_string.h [!HAVE_STOF] (stof): Do not
999 throw an exception for zero result.
1000 [HAVE_BROKEN_STRTOLD] (stold): Do not use strtold.
1002 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1005 * src/c++17/floating_from_chars.cc (from_chars): Only define
1006 _Float128 overload when using __strfromf128.
1008 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1011 * include/bits/chrono.h (duration): Improve static assert
1013 (__is_ratio): Move to ...
1014 * include/std/ratio (__is_ratio): ... here.
1015 (__is_ratio_v): New variable template and partial
1017 (__are_both_ratios): New function template.
1018 (__ratio_multiply, ratio_equal, ratio_less, __ratio_add):
1019 Add static assertion.
1020 * testsuite/20_util/ratio/requirements/type_constraints.cc:
1022 * testsuite/20_util/duration/requirements/typedefs_neg1.cc:
1023 Adjust expected error.
1024 * testsuite/20_util/duration/requirements/typedefs_neg2.cc:
1027 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1029 * include/bits/chrono_io.h (__formatter_chrono::_M_format):
1030 Do not set __is_neg for hh_mm_ss before calling
1031 _M_format_to_ostream. Change __print_sign lambda to only check
1032 __is_neg for durations and hh_mm_ss types.
1033 (__formatter_chrono::_M_format_to_ostream): Only check __is_neg
1035 * testsuite/std/time/hh_mm_ss/io.cc: Check negative values.
1037 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1040 * include/bits/chrono_io.h (__formatter_chrono::_S_floor_seconds):
1041 Handle duration and hh_mm_ss.
1042 * testsuite/20_util/duration/io.cc: Check locale-specific
1044 * testsuite/std/time/hh_mm_ss/io.cc: Likewise.
1046 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1048 * include/std/format (__write_padded): Initialize first element
1049 of array to avoid a -Wmaybe-uninitialized warning.
1051 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1054 * include/bits/chrono_io.h (__formatter_chrono::_M_parse): Fix
1055 allowed modifiers for %z and %Z. Fix -Wparentheses and
1056 -Wnarrowing warnings.
1057 (__formatter_chrono::_M_format): Call new functions for %d, %e,
1059 (__formatter_chrono::_M_c): Use _S_floor_seconds to remove
1060 subsecond precision.
1061 (__formatter_chrono::_M_C_y_Y): Use _M_locale_fmt to handle
1063 (__formatter_chrono::_M_e): Replace with _M_d_e and use
1065 (__formatter_chrono::_M_I): Replace with _M_H_I and use
1067 (__formatter_chrono::_M_m): New function.
1068 (__formatter_chrono::_M_M): New function.
1069 (__formatter_chrono::_M_r): Use _M_locale_fmt.
1070 (__formatter_chrono::_M_S): Likewise.
1071 (__formatter_chrono::_M_u_w): Likewise.
1072 (__formatter_chrono::_M_U_V_W): Likewise.
1073 (__formatter_chrono::_M_X): Use _S_floor_seconds.
1074 (__formatter_chrono::_M_Z): Fix untested branch for wchar_t.
1075 (__formatter_chrono::_S_altnum): Remove function.
1076 (__formatter_chrono::_S_dd_zero_fill): Remove function.
1077 (__formatter_chrono::_S_floor_seconds): New function.
1078 (__formatter_chrono::_M_locale_fmt): New function.
1079 * testsuite/std/time/clock/system/io.cc: Adjust expected output
1080 for locale-specific formats and check modified formats.
1081 * testsuite/std/time/clock/utc/io.cc: Likewise.
1082 * testsuite/std/time/zoned_time/io.cc: New test.
1084 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1087 * include/bits/chrono_io.h (__formatter_chrono::_M_parse): Only
1088 allow a single modifier.
1089 * testsuite/std/time/format.cc: Check multiple modifiers.
1091 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1094 * testsuite/21_strings/basic_string/numeric_conversions/char/stod.cc:
1095 Remove dg-require-string-conversions.
1096 * testsuite/21_strings/basic_string/numeric_conversions/char/stof.cc:
1098 * testsuite/21_strings/basic_string/numeric_conversions/char/stoi.cc:
1100 * testsuite/21_strings/basic_string/numeric_conversions/char/stol.cc:
1102 * testsuite/21_strings/basic_string/numeric_conversions/char/stoul.cc:
1105 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1108 * include/bits/basic_string.h [!_GLIBCXX_HAVE_STRTOF] (stof):
1109 Define in terms of std::stod.
1111 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1114 * include/bits/basic_string.h [_GLIBCXX_HAVE_STRTOF] (stof):
1116 [_GLIBCXX_HAVE_STRTOLD] (stold): Define.
1117 * include/c_global/cstdlib [_GLIBCXX_HAVE_STRTOF] (strtof):
1118 Declare in namespace std.
1119 [_GLIBCXX_HAVE_STRTOLD] (strtold): Likewise.
1121 2023-07-13 Jonathan Wakely <jwakely@redhat.com>
1124 * include/bits/basic_string.h (stoi, stol, stoul, stod): Do not
1125 depend on _GLIBCXX_USE_C99_STDLIB.
1126 [__LONG_WIDTH__ == __LONG_LONG_WIDTH__] (stoll, stoull): Define
1127 in terms of stol and stoul respectively.
1128 [__DBL_MANT_DIG__ == __LDBL_MANT_DIG__] (stold): Define in terms
1131 2023-07-12 Jonathan Wakely <jwakely@redhat.com>
1134 * testsuite/27_io/filesystem/path/construct/95048.cc: Check
1135 conversions to wide strings.
1136 * testsuite/experimental/filesystem/path/construct/95048.cc:
1139 2023-07-12 Jonathan Wakely <jwakely@redhat.com>
1141 * config/io/basic_file_stdio.cc: Define LFS macros.
1142 (__basic_file<char>::open): Use fopen unconditionally.
1143 (get_file_offset): Use lseek unconditionally.
1144 (__basic_file<char>::seekoff): Likewise.
1145 (__basic_file<char>::showmanyc): Use fstat unconditionally.
1147 2023-07-12 Jonathan Wakely <jwakely@redhat.com>
1150 * acinclude.m4 (GLIBCXX_CHECK_LFS): Check for fseeko and ftello
1151 and define _GLIBCXX_USE_FSEEKO_FTELLO.
1152 * config.h.in: Regenerate.
1153 * configure: Regenerate.
1154 * config/io/basic_file_stdio.cc (xwrite) [_GLIBCXX_USE_STDIO_PURE]:
1155 Check for fwrite error correctly.
1156 (__basic_file<char>::xsgetn) [_GLIBCXX_USE_STDIO_PURE]: Check for
1157 fread error correctly.
1158 (get_file_offset): New function.
1159 (__basic_file<char>::seekoff) [_GLIBCXX_USE_STDIO_PURE]: Use
1160 fseeko if available. Use get_file_offset instead of return value
1162 (__basic_file<char>::showmanyc): Use get_file_offset.
1164 2023-07-12 Ken Matsui <kmatsui@gcc.gnu.org>
1166 * include/std/type_traits (__make_unsigned_selector): Use
1167 __is_enum built-in trait.
1168 (__make_signed_selector): Likewise.
1169 (__underlying_type_impl): Likewise.
1171 2023-07-06 Tianqiang Shuai <1101282468@qq.com>
1173 * config/io/basic_file_stdio.cc (xwrite) [USE_STDIO_PURE]: Fix
1176 2023-07-06 Jonathan Wakely <jwakely@redhat.com>
1179 * doc/xml/manual/configure.xml: Describe stdio_pure argument to
1181 * doc/html/manual/configure.html: Regenerate.
1183 2023-07-05 Thomas Rodgers <trodgers@redhat.com>
1185 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: Delete
1187 * testsuite/25_algorithms/pstl/alg_sorting/set_difference.cc:
1189 * testsuite/25_algorithms/pstl/alg_sorting/set_intersection.cc:
1191 * testsuite/25_algorithms/pstl/alg_sorting/set_symmetric_difference.cc:
1193 * testsuite/25_algorithms/pstl/alg_sorting/set_union.cc:
1195 * testsuite/25_algorithms/pstl/alg_sorting/set_util.h:
1198 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
1200 * testsuite/23_containers/forward_list/debug/iterator1_neg.cc:
1201 Skip as UNSUPPORTED for C++98 mode.
1202 * testsuite/23_containers/forward_list/debug/iterator3_neg.cc:
1205 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
1208 * include/bits/stl_uninitialized.h (__uninitialized_default_n):
1209 Do not use std::fill_n during constant evaluation.
1211 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
1213 * include/bits/vector.tcc (_M_default_append): Replace try-block
1216 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
1218 * include/bits/iterator_concepts.h (projected): Add typename.
1220 2023-07-03 Jonathan Wakely <jwakely@redhat.com>
1222 * testsuite/27_io/headers/iosfwd/synopsis.cc: Make wsyncbuf and
1223 wosyncstream depend on _GLIBCXX_USE_CXX11_ABI.
1225 2023-07-03 Jonathan Wakely <jwakely@redhat.com>
1227 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
1228 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
1229 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
1230 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
1232 2023-07-03 Jonathan Wakely <jwakely@redhat.com>
1234 * include/bits/alloc_traits.h (_Destroy): Qualify call.
1235 * include/bits/stl_construct.h (_Destroy, _Destroy_n): Likewise.
1236 * testsuite/23_containers/vector/cons/destroy-adl.cc: New test.
1238 2023-07-03 Iain Sandoe <iain@sandoe.co.uk>
1240 * testsuite/lib/libstdc++.exp: Remove additional flag handled
1243 2023-06-30 Jonathan Wakely <jwakely@redhat.com>
1246 * acinclude.m4 (GLIBCXX_CHECK_INIT_PRIORITY): New.
1247 * config.h.in: Regenerate.
1248 * configure: Regenerate.
1249 * configure.ac: Use GLIBCXX_CHECK_INIT_PRIORITY.
1250 * include/std/iostream: Use new autoconf macro as well as
1252 * src/c++98/ios_base_init.h: Use new autoconf macro instead of
1255 2023-06-30 Jonathan Wakely <jwakely@redhat.com>
1257 * src/c++11/random.cc (random_device::_M_init): Add maybe_unused
1260 2023-06-30 Jonathan Wakely <jwakely@redhat.com>
1263 * src/c++11/random.cc (random_device::_M_init): Throw
1264 std::system_error when the requested device is a valid token but
1265 not available at runtime.
1267 2023-06-30 Hans-Peter Nilsson <hp@axis.com>
1270 * include/pstl/unseq_backend_simd.h (__simd_or): Re-apply using
1271 __INT32_TYPE__ instead of int32_t.
1273 2023-06-29 Jonathan Wakely <jwakely@redhat.com>
1275 * src/c++20/tzdb.cc (USE_ATOMIC_SHARED_PTR): Define consistently
1276 with USE_ATOMIC_LIST_HEAD.
1277 (list_mutex): Replace global object with function. Use local
1278 static object when std::mutex constructor isn't constexpr.
1280 2023-06-29 Jonathan Wakely <jwakely@redhat.com>
1283 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check that
1284 copy_file_range can be called with loff_t* arguments.
1285 * configure: Regenerate.
1286 * src/filesystem/ops-common.h (copy_file_copy_file_range):
1287 Use loff_t for offsets.
1289 2023-06-29 Tom Tromey <tromey@adacore.com>
1291 * testsuite/lib/gdb-test.exp (gdb-test): Relax type-printer
1294 2023-06-28 Jan Hubicka <jh@suse.cz>
1296 PR middle-end/109849
1297 * include/bits/c++config (std::__terminate): Mark cold.
1298 * include/bits/functexcept.h: Mark everything as cold.
1299 * libsupc++/exception: Mark terminate and unexpected as cold.
1301 2023-06-26 Thomas Rodgers <trodgers@redhat.com>
1303 * include/pstl/algorithm_fwd.h: Synchronize with upstream.
1304 * include/pstl/algorithm_impl.h: Likewise.
1305 * include/pstl/execution_defs.h: Likewise.
1306 * include/pstl/execution_impl.h: Likewise.
1307 * include/pstl/glue_algorithm_impl.h: Likewise.
1308 * include/pstl/glue_execution_defs.h: Likewise.
1309 * include/pstl/glue_memory_impl.h: Likewise.
1310 * include/pstl/glue_numeric_impl.h: Likewise.
1311 * include/pstl/memory_impl.h: Likewise.
1312 * include/pstl/numeric_fwd.h: Likewise.
1313 * include/pstl/numeric_impl.h: Likewise.
1314 * include/pstl/parallel_backend.h: Likewise.
1315 * include/pstl/parallel_backend_serial.h: Likewise.
1316 * include/pstl/parallel_backend_tbb.h: Likewise.
1317 * include/pstl/parallel_impl.h: Likewise.
1318 * include/pstl/pstl_config.h: Likewise.
1319 * include/pstl/unseq_backend_simd.h: Likewise.
1320 * include/pstl/utils.h: Likewise.
1321 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
1323 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
1325 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc:
1327 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc:
1329 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
1330 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
1332 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
1334 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc:
1336 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc:
1338 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
1340 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
1342 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
1344 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
1346 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc:
1348 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc:
1350 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
1352 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
1354 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
1356 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc:
1358 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc:
1360 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc:
1362 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
1364 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
1366 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc:
1368 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc:
1370 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc:
1372 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc:
1374 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc:
1376 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc:
1378 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc:
1380 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
1382 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc:
1384 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc:
1386 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc:
1388 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc:
1390 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
1392 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc:
1394 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
1396 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc:
1398 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc:
1400 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc:
1402 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc:
1404 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
1406 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc:
1408 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc:
1410 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
1412 * testsuite/25_algorithms/pstl/alg_sorting/set.cc:
1414 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc:
1416 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
1418 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc:
1420 * testsuite/26_numerics/pstl/numeric_ops/scan.cc:
1422 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc:
1424 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc:
1426 * testsuite/util/pstl/test_utils.h:
1429 2023-06-26 Jonathan Wakely <jwakely@redhat.com>
1432 * include/std/format (__format::__parse_integer): Fix buffer
1433 overflow for wide chars.
1434 (formatter<const void*, C>::format): Cast to uintptr_t instead
1436 * testsuite/std/format/string.cc: Test too-large widths.
1438 2023-06-26 Jonathan Wakely <jwakely@redhat.com>
1440 * include/bits/iterator_concepts.h (projected): Replace class
1441 template with alias template denoting an ADL-proofed helper.
1442 (incremental_traits<projected<Iter, Proj>>): Remove.
1443 * testsuite/24_iterators/indirect_callable/projected-adl.cc:
1446 2023-06-26 Jonathan Wakely <jwakely@redhat.com>
1448 * include/debug/helper_functions.h (__get_distance)
1449 (__check_singular, __valid_range_aux, __valid_range): Qualify
1450 calls to disable ADL.
1451 (__check_singular_aux(const _Safe_iterator_base*)): Declare
1452 overload that was previously found via ADL.
1454 2023-06-23 Jonathan Wakely <jwakely@redhat.com>
1456 * include/bits/vector.tcc (_M_realloc_insert): Replace try-block
1459 2023-06-20 Jonathan Wakely <jwakely@redhat.com>
1461 * include/std/array (to_array(T(&)[N])): Remove redundant
1463 (to_array(T(&&)[N])): Remove redundant std::move.
1465 2023-06-16 Alexandre Oliva <oliva@adacore.com>
1467 * testsuite/20_util/from_chars/4.cc: Skip long double on
1470 2023-06-16 Joel Brobecker <brobecker@adacore.com>
1472 * configure.ac ["x${with_newlib}" = "xyes"]: Define
1473 HAVE_HYPOTF. Add compile-checks for various long double
1474 math functions as well.
1475 * configure: Regenerate.
1477 2023-06-14 Jonny Grant <jg@jguk.org>
1479 * doc/xml/manual/extensions.xml: Remove demangle exception
1480 description and include.
1481 * doc/html/manual/ext_demangling.html: Regenerate.
1483 2023-06-10 Hans-Peter Nilsson <hp@axis.com>
1485 * testsuite/27_io/basic_istream/ignore/wchar_t/94749.cc (main)
1486 [! SIMULATOR_TEST]: Also exclude running test05.
1487 * testsuite/27_io/basic_istream/ignore/char/94749.cc: Ditto.
1489 2023-06-09 Ken Matsui <kmatsui@cs.washington.edu>
1491 * include/std/type_traits: Use using instead of typedef
1493 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1496 * src/c++17/floating_from_chars.cc (from_chars) <_Float128>:
1497 Only define if _Float128 and long double have different
1500 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1503 * include/experimental/internet [IPPROTO_TCP || IPPROTO_UDP]
1504 (basic_endpoint, basic_resolver_entry, resolver_base)
1505 (basic_resolver_results, basic_resolver): Only define if the tcp
1506 or udp protocols will be defined.
1508 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1510 * acinclude.m4 (libtool_VERSION): Update to 6.0.33.
1511 * configure: Regenerate.
1512 * doc/xml/manual/abi.xml: Add libstdc++.so.6.0.33.
1513 * doc/html/manual/abi.html: Regenerate.
1515 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1518 * include/std/format (formatter<const void*, charT>::parse):
1519 Only alow 0 and P for C++26 and non-strict modes.
1520 (formatter<const void*, charT>::format): Use toupper for P
1521 type, and insert zero-fill characters for 0 option.
1522 * testsuite/std/format/functions/format.cc: Check pointer
1523 formatting. Only check P2510R3 extensions conditionally.
1524 * testsuite/std/format/parse_ctx.cc: Only check P2510R3
1525 extensions conditionally.
1527 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1530 * include/std/array (to_array): Initialize arrays of trivial
1531 types using memcpy. For non-trivial types, use lambda
1532 expressions instead of a separate helper function.
1533 (__to_array): Remove.
1534 * testsuite/23_containers/array/creation/110167.cc: New test.
1536 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1538 * testsuite/23_containers/deque/modifiers/emplace/52799.cc:
1540 * testsuite/23_containers/deque/modifiers/emplace/const_iterator.cc:
1542 * testsuite/23_containers/list/modifiers/emplace/52799.cc:
1544 * testsuite/23_containers/list/modifiers/emplace/const_iterator.cc:
1546 * testsuite/23_containers/vector/modifiers/emplace/52799.cc:
1548 * testsuite/23_containers/vector/modifiers/emplace/const_iterator.cc:
1550 * testsuite/23_containers/deque/modifiers/emplace/1.cc: New
1552 * testsuite/23_containers/list/modifiers/emplace/1.cc: New
1554 * testsuite/23_containers/vector/modifiers/emplace/1.cc: New
1557 2023-06-07 Jakub Jelinek <jakub@redhat.com>
1560 * testsuite/20_util/to_chars/double.cc: Include <cfloat>.
1561 (double_to_chars_test_cases,
1562 double_scientific_precision_to_chars_test_cases_2,
1563 double_fixed_precision_to_chars_test_cases_2): #if out 1e126, 4.91e-6
1564 and 5.547e-6 tests if FLT_EVAL_METHOD is negative or larger than 1.
1565 Add unconditional tests with corresponding double constants
1566 0x1.7a2ecc414a03fp+418, 0x1.4981285e98e79p-18 and
1567 0x1.7440bbff418b9p-18.
1569 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
1571 * testsuite/util/testsuite_abi.cc (check_version): Re-add
1574 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
1576 * testsuite/18_support/nested_exception/rethrow_if_nested-term.cc:
1577 Require effective target exceptions_enabled instead of using
1579 * testsuite/23_containers/vector/capacity/constexpr.cc: Expect
1580 shrink_to_fit() to be a no-op without exceptions enabled.
1581 * testsuite/23_containers/vector/capacity/shrink_to_fit.cc:
1583 * testsuite/ext/bitmap_allocator/check_allocate_max_size.cc:
1584 Require effective target exceptions_enabled.
1585 * testsuite/ext/malloc_allocator/check_allocate_max_size.cc:
1587 * testsuite/ext/mt_allocator/check_allocate_max_size.cc:
1589 * testsuite/ext/new_allocator/check_allocate_max_size.cc:
1591 * testsuite/ext/pool_allocator/check_allocate_max_size.cc:
1593 * testsuite/ext/throw_allocator/check_allocate_max_size.cc:
1596 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
1598 * testsuite/20_util/duration/cons/2.cc: Use values that aren't
1599 affected by rounding.
1600 * testsuite/20_util/from_chars/5.cc: Cast arithmetic result to
1601 double before comparing for equality.
1602 * testsuite/20_util/from_chars/6.cc: Likewise.
1603 * testsuite/20_util/variant/86874.cc: Use values that aren't
1604 affected by rounding.
1605 * testsuite/25_algorithms/lower_bound/partitioned.cc: Compare to
1606 original value instead of to floating-point-literal.
1607 * testsuite/26_numerics/random/discrete_distribution/cons/range.cc:
1608 Cast arithmetic result to double before comparing for equality.
1609 * testsuite/26_numerics/random/piecewise_constant_distribution/cons/range.cc:
1611 * testsuite/26_numerics/random/piecewise_linear_distribution/cons/range.cc:
1613 * testsuite/26_numerics/valarray/transcend.cc (eq): Check that
1614 the absolute difference is less than 0.01 instead of comparing
1615 to two decimal places.
1616 * testsuite/27_io/basic_istream/extractors_arithmetic/char/01.cc:
1617 Cast arithmetic result to double before comparing for equality.
1618 * testsuite/27_io/basic_istream/extractors_arithmetic/char/09.cc:
1620 * testsuite/27_io/basic_istream/extractors_arithmetic/char/10.cc:
1622 * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/01.cc:
1624 * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/09.cc:
1626 * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/10.cc:
1628 * testsuite/ext/random/hoyt_distribution/cons/parms.cc: Likewise.
1630 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
1633 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1635 * configure.ac: Use AS_IF.
1636 * configure: Regenerate.
1638 2023-06-07 Thomas Schwinge <thomas@codesourcery.com>
1640 * testsuite/lib/prune.exp (libstdc++-dg-prune): Support
1641 'UNSUPPORTED: [...]: exception handling disabled'.
1643 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1645 * testsuite/util/testsuite_abi.cc (check_version): Add
1646 CXXABI_1.3.15 symver and make it the latestp. Remove
1647 GLIBCXX_IEEE128_3.4.31 and GLIBCXX_LDBL_3.4.31 from latestp.
1649 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1650 Jakub Jelinek <jakub@redhat.com>
1653 * include/std/limits: (numeric_limits<__float128>): Define
1654 for __STRICT_ANSI__ as well.
1655 * testsuite/18_support/numeric_limits/128bit.cc: Remove
1656 check for __STRICT_ANSI__.
1658 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1660 * configure.ac: Use AS_IF.
1661 * configure: Regenerate.
1663 2023-06-06 Matthias Kretz <m.kretz@gsi.de>
1666 * include/experimental/bits/simd_builtin.h (_S_store): Rewrite
1667 to avoid casts to other vector types. Implement store as
1668 succession of power-of-2 sized memcpy to avoid PR90424.
1670 2023-06-06 Matthias Kretz <m.kretz@gsi.de>
1673 * include/experimental/bits/simd_builtin.h (_S_masked_store):
1674 Call into deduced ABI's SimdImpl after conversion.
1675 * include/experimental/bits/simd_x86.h (_S_masked_store_nocvt):
1676 Don't use _mm_maskmoveu_si128. Use the generic fall-back
1677 implementation. Also fix masked stores without SSE2, which
1678 were not doing anything before.
1680 2023-06-06 Matthias Kretz <m.kretz@gsi.de>
1682 * include/experimental/bits/simd.h (__bit_cast): Use
1683 __gnu__::__vector_size__ instead of gnu::vector_size.
1685 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1688 * include/std/array (__array_traits<T, 0>::operator T*()): Make
1689 conversion operator explicit.
1690 (array::front): Use size_type as subscript operand.
1691 (array::data): Use static_cast to make conversion explicit.
1692 * testsuite/23_containers/array/element_access/110139.cc: New
1695 2023-06-06 Joseph Faulls <Joseph.Faulls@imgtec.com>
1697 * include/bits/locale_classes.tcc: Remove check for
1698 codecvt<char8_t, char, mbstate_t> facet.
1700 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1702 * src/filesystem/ops-common.h (do_copy_file) [O_CLOEXEC]: Set
1703 close-on-exec flag on file descriptors.
1705 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1708 * src/filesystem/ops-common.h (do_copy_file): Check for empty
1709 files by trying to read a character.
1710 * testsuite/27_io/filesystem/operations/copy_file_108178.cc:
1713 2023-06-06 Jannik Glückert <jannik.glueckert@gmail.com>
1715 * acinclude.m4 (_GLIBCXX_USE_COPY_FILE_RANGE): Define.
1716 * config.h.in: Regenerate.
1717 * configure: Regenerate.
1718 * src/filesystem/ops-common.h (copy_file_copy_file_range):
1719 Define new function.
1720 (do_copy_file): Use it.
1722 2023-06-06 Jannik Glückert <jannik.glueckert@gmail.com>
1724 * acinclude.m4 (_GLIBCXX_HAVE_LSEEK): Define.
1725 * config.h.in: Regenerate.
1726 * configure: Regenerate.
1727 * src/filesystem/ops-common.h (copy_file_sendfile): Define new
1728 function for sendfile logic. Loop to support large files. Skip
1730 (do_copy_file): Use it.
1732 2023-06-04 Jason Merrill <jason@redhat.com>
1735 * libsupc++/eh_call.cc (__cxa_call_terminate): Take void*.
1736 * config/abi/pre/gnu.ver: Add it.
1738 2023-06-02 François Dumont <fdumont@gcc.gnu.org>
1740 * include/parallel/algobase.h: Include <parallel/search.h>.
1742 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
1744 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc:
1745 Add const to equality operator.
1747 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
1749 * include/std/expected (expected::and_then, expected::or_else)
1750 (expected::transform_error): Use _M_val and _M_unex instead of
1751 calling value() and error(), as per LWG 3938.
1752 (expected::transform): Likewise. Remove incorrect std::move
1753 calls from lvalue overloads.
1754 (expected<void, E>::and_then, expected<void, E>::or_else)
1755 (expected<void, E>::transform): Use _M_unex instead of calling
1757 * testsuite/20_util/expected/lwg3877.cc: Add checks for and_then
1758 and transform, and for std::expected<void, E>.
1759 * testsuite/20_util/expected/lwg3938.cc: New test.
1761 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
1764 * include/bits/stl_vector.h (_Vector_base::_M_invariant):
1766 (vector::size, vector::capacity): Remove calls to _M_invariant.
1767 * include/bits/vector.tcc (vector::_M_fill_assign): Add
1768 optimization hint to reallocating path.
1769 (vector::_M_assign_aux(FwdIter, FwdIter, forward_iterator_tag)):
1771 * testsuite/23_containers/vector/capacity/invariant.cc: Moved
1773 * testsuite/23_containers/vector/modifiers/assign/no_realloc.cc:
1774 ...here. Check assign(FwdIter, FwdIter) too.
1775 * testsuite/23_containers/vector/types/1.cc: Revert addition
1776 of -Wno-stringop-overread option.
1778 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
1780 * doc/xml/manual/evolution.xml: Document removal of implicit
1781 allocator rebinding extensions in strict mode and for C++20.
1782 * doc/html/*: Regenerate.
1784 2023-06-01 Jason Merrill <jason@redhat.com>
1786 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Don't check
1787 handlers in the cleanup phase.
1789 2023-06-01 Matthias Kretz <m.kretz@gsi.de>
1792 * include/experimental/bits/simd.h (__vectorized_sizeof): With
1793 __have_neon_a32 only single-precision float works (in addition
1796 2023-06-01 François Dumont <fdumont@gcc.gnu.org>
1798 * include/bits/stl_algo.h
1799 (std::__search, std::search(_FwdIt1, _FwdIt1, _FwdIt2, _FwdIt2, _BinPred)): Move...
1800 * include/bits/stl_algobase.h: ...here.
1801 * include/std/functional: Replace <stl_algo.h> include by <stl_algobase.h>.
1802 * include/parallel/algo.h (std::__parallel::search<_FIt1, _FIt2, _BinaryPred>)
1803 (std::__parallel::__search_switch<_FIt1, _FIt2, _BinaryPred, _ItTag1, _ItTag2>):
1805 * include/parallel/algobase.h: ...here.
1806 * include/experimental/functional: Remove <bits/stl_algo.h> and <parallel/algorithm>
1807 includes. Include <bits/stl_algobase.h>.
1809 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1812 * acinclude.m4 (GLIBCXX_ENABLE_C99): Add separate check for
1813 float_t and double_t and define HAVE_C99_FLT_EVAL_TYPES.
1814 * config.h.in: Regenerate.
1815 * configure: Regenerate.
1816 * include/c_global/cmath (float_t, double_t): Guard using new
1817 _GLIBCXX_HAVE_C99_FLT_EVAL_TYPES macro.
1819 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1821 * acinclude.m4 (GLIBCXX_ENABLE_C99): Add checks for C99 math
1822 functions and define _GLIBCXX_USE_C99_MATH_FUNCS. Move checks
1823 for C99 rounding functions to here.
1824 (GLIBCXX_CHECK_C99_TR1): Remove checks for C99 rounding
1825 functions from here.
1826 * config.h.in: Regenerate.
1827 * configure: Regenerate.
1828 * include/bits/random.h: Use _GLIBCXX_USE_C99_MATH_FUNCS instead
1829 of _GLIBCXX_USE_C99_MATH_TR1.
1830 * include/bits/random.tcc: Likewise.
1831 * include/c_compatibility/math.h: Likewise.
1832 * include/c_global/cmath: Likewise.
1833 * include/ext/random: Likewise.
1834 * include/ext/random.tcc: Likewise.
1835 * include/std/complex: Likewise.
1836 * testsuite/20_util/from_chars/4.cc: Likewise.
1837 * testsuite/20_util/from_chars/8.cc: Likewise.
1838 * testsuite/26_numerics/complex/proj.cc: Likewise.
1839 * testsuite/26_numerics/headers/cmath/60401.cc: Likewise.
1840 * testsuite/26_numerics/headers/cmath/types_std_c++0x.cc:
1842 * testsuite/lib/libstdc++.exp (check_v3_target_cstdint):
1844 * testsuite/util/testsuite_random.h: Likewise.
1846 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1848 * include/bits/stl_vector.h (_Vector_base::_M_invariant()): New
1850 (vector::size(), vector::capacity()): Call _M_invariant().
1851 * testsuite/23_containers/vector/capacity/invariant.cc: New test.
1852 * testsuite/23_containers/vector/types/1.cc: Add suppression for
1853 false positive warning (PR110060).
1855 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1858 * src/c++17/floating_from_chars.cc: Check __FLT128_MANT_DIG__ is
1859 defined before trying to use _Float128.
1861 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1863 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Fix for 32-bit pointers
1864 to check __INT_PTR_WIDTH__ instead of sizeof(void*).
1865 * configure: Regenerate.
1867 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1869 * include/bits/unique_lock.h: Include <bits/error_constants.h>
1870 here for std::errc constants.
1871 * include/std/mutex: Do not include <bits/error_constants.h> and
1874 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1876 * configure.ac: Replace use of -o operator for test.
1877 * configure: Regenerate.
1879 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1881 * include/std/scoped_allocator (scoped_allocator_adaptor): Add
1882 noexcept to all constructors except the default constructor.
1883 (scoped_allocator_adaptor::inner_allocator): Add noexcept.
1884 (scoped_allocator_adaptor::outer_allocator): Likewise.
1885 * testsuite/20_util/scoped_allocator/noexcept.cc: New test.
1887 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1890 * include/std/limits (numeric_limits<__float128>): Define.
1891 * testsuite/18_support/numeric_limits/128bit.cc: New test.
1893 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1895 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Extend logic for avr and
1896 msp430 to all 16-bit targets.
1897 * configure: Regenerate.
1899 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1902 * src/c++17/floating_from_chars.cc (USE_STRTOF128_FOR_FROM_CHARS):
1903 Only define when USE_STRTOD_FOR_FROM_CHARS is also defined.
1904 (USE_STRTOD_FOR_FROM_CHARS): Do not undefine when long double is
1906 (from_chars(const char*, const char*, double&, chars_format)):
1907 Check __LDBL_MANT_DIG__ == __DBL_MANT_DIG__ here.
1908 (from_chars(const char*, const char*, _Float128&, chars_format))
1909 Only use from_chars_strtod when USE_STRTOD_FOR_FROM_CHARS is
1910 defined, otherwise parse a long double and convert to _Float128.
1912 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1915 * include/std/iomanip (operator>>(basic_istream&, _Setfill)):
1916 Add deprecated attribute to non-standard overload.
1917 * doc/xml/manual/evolution.xml: Document deprecation.
1918 * doc/html/*: Regenerate.
1919 * testsuite/27_io/manipulators/standard/char/1.cc: Add
1920 dg-warning for expected deprecated warning.
1921 * testsuite/27_io/manipulators/standard/char/2.cc: Likewise.
1922 * testsuite/27_io/manipulators/standard/wchar_t/1.cc: Likewise.
1923 * testsuite/27_io/manipulators/standard/wchar_t/2.cc: Likewise.
1925 2023-05-30 Alexandre Oliva <oliva@adacore.com>
1927 * testsuite/20_util/from_chars/4.cc: Skip long double test06
1929 * testsuite/20_util/to_chars/long_double.cc: Xfail run on
1932 2023-05-30 Matthias Kretz <m.kretz@gsi.de>
1935 * include/experimental/bits/simd.h (to_native): Use int NTTP
1936 as specified in PTS2.
1937 (to_compatible): Likewise. Add missing tag to call mask
1939 * testsuite/experimental/simd/pr109822_cast_functions.cc: New
1942 2023-05-30 Matthias Kretz <m.kretz@gsi.de>
1944 * testsuite/experimental/simd/tests/integer_operators.cc:
1945 Compute expected value differently to avoid getting turned into
1948 2023-05-30 Matthias Kretz <m.kretz@gsi.de>
1950 * testsuite/experimental/simd/tests/operator_cvt.cc: Make long
1951 double <-> (u)long conversion tests conditional on sizeof(long
1952 double) and sizeof(long).
1954 2023-05-26 Matthias Kretz <m.kretz@gsi.de>
1956 * include/experimental/bits/simd_ppc.h (_S_bit_shift_left):
1957 Negative __y is UB, so prefer signed compare.
1959 2023-05-25 Jonathan Wakely <jwakely@redhat.com>
1961 * testsuite/util/testsuite_allocator.h (PointerBase): Add
1962 relational operators.
1964 2023-05-25 Alexandre Oliva <oliva@adacore.com>
1966 * testsuite/20_util/to_chars/long_double.cc: Expect execution
1967 fail on x86-vxworks.
1969 2023-05-24 Matthias Kretz <m.kretz@gsi.de>
1972 * include/experimental/bits/simd.h (__intrinsic_type): If
1973 __ALTIVEC__ is defined, map gnu::vector_size types to their
1974 corresponding __vector T types without losing unsignedness of
1975 integer types. Also prefer long long over long.
1976 * include/experimental/bits/simd_ppc.h (_S_popcount): Cast mask
1977 object to the expected unsigned vector type.
1979 2023-05-24 Matthias Kretz <m.kretz@gsi.de>
1982 * include/experimental/bits/simd.h (__intrinsic_type):
1983 Specialize __intrinsic_type<double, 8> and
1984 __intrinsic_type<double, 16> in any case, but provide the member
1985 type only with __aarch64__.
1987 2023-05-24 Matthias Kretz <m.kretz@gsi.de>
1990 * include/experimental/bits/simd_neon.h (_S_reduce): Add
1991 constexpr and make NEON implementation conditional on
1992 not __builtin_is_constant_evaluated.
1994 2023-05-23 Matthias Kretz <m.kretz@gsi.de>
1997 * include/experimental/bits/simd.h (_SimdWrapper::_M_set):
1998 Avoid vector builtin subscripting in constant expressions.
1999 (resizing_simd_cast): Avoid memcpy if constant_evaluated.
2000 (const_where_expression, where_expression, where)
2001 (__extract_part, simd_mask, _SimdIntOperators, simd): Add either
2002 _GLIBCXX_SIMD_CONSTEXPR (on public APIs), or constexpr (on
2004 * include/experimental/bits/simd_builtin.h (__vector_permute)
2005 (__vector_shuffle, __extract_part, _GnuTraits::_SimdCastType1)
2006 (_GnuTraits::_SimdCastType2, _SimdImplBuiltin)
2007 (_MaskImplBuiltin::_S_store): Add constexpr.
2008 (_CommonImplBuiltin::_S_store_bool_array)
2009 (_SimdImplBuiltin::_S_load, _SimdImplBuiltin::_S_store)
2010 (_SimdImplBuiltin::_S_reduce, _MaskImplBuiltin::_S_load): Add
2011 constant_evaluated case.
2012 * include/experimental/bits/simd_fixed_size.h
2013 (_S_masked_load): Reword comment.
2014 (__tuple_element_meta, __make_meta, _SimdTuple::_M_apply_r)
2015 (_SimdTuple::_M_subscript_read, _SimdTuple::_M_subscript_write)
2016 (__make_simd_tuple, __optimize_simd_tuple, __extract_part)
2017 (__autocvt_to_simd, _Fixed::__traits::_SimdBase)
2018 (_Fixed::__traits::_SimdCastType, _SimdImplFixedSize): Add
2020 (_SimdTuple::operator[], _M_set): Add constexpr and add
2021 constant_evaluated case.
2022 (_MaskImplFixedSize::_S_load): Add constant_evaluated case.
2023 * include/experimental/bits/simd_scalar.h: Add constexpr.
2024 * include/experimental/bits/simd_x86.h (_CommonImplX86): Add
2025 constexpr and add constant_evaluated case.
2026 (_SimdImplX86::_S_equal_to, _S_not_equal_to, _S_less)
2027 (_S_less_equal): Value-initialize to satisfy constexpr
2029 (_MaskImplX86::_S_load): Add constant_evaluated case.
2030 (_MaskImplX86::_S_store): Add constexpr and constant_evaluated
2031 case. Value-initialize local variables.
2032 (_MaskImplX86::_S_logical_and, _S_logical_or, _S_bit_not)
2033 (_S_bit_and, _S_bit_or, _S_bit_xor): Add constant_evaluated
2035 * testsuite/experimental/simd/pr109261_constexpr_simd.cc: New
2038 2023-05-22 Matthias Kretz <m.kretz@gsi.de>
2040 * include/experimental/bits/simd_builtin.h (_S_fpclassify): Move
2041 __infn into #ifdef'ed block.
2042 * testsuite/experimental/simd/tests/fpclassify.cc: Declare
2043 constants only when used.
2044 * testsuite/experimental/simd/tests/frexp.cc: Likewise.
2045 * testsuite/experimental/simd/tests/logarithm.cc: Likewise.
2046 * testsuite/experimental/simd/tests/trunc_ceil_floor.cc:
2048 * testsuite/experimental/simd/tests/ldexp_scalbn_scalbln_modf.cc:
2049 Move totest and expect1 into #ifdef'ed block.
2051 2023-05-19 Gerald Pfeifer <gerald@pfeifer.com>
2053 * doc/xml/manual/strings.xml: Move lafstern.org reference to https.
2054 * doc/html/manual/strings.html: Regenerate.
2056 2023-05-17 Jakub Jelinek <jakub@redhat.com>
2059 * testsuite/26_numerics/headers/cmath/constexpr_std_c++23.cc: New test.
2061 2023-05-17 Jakub Jelinek <jakub@redhat.com>
2064 * include/c_global/cmath (atan2, fmod, pow): Move
2065 __gnu_cxx::__promote_2 using templates after _Float{16,32,64,128} and
2066 __gnu_cxx::__bfloat16_t overloads.
2067 (copysign, fdim, fmax, fmin, hypot, nextafter, remainder, remquo):
2069 (fma): Move __gnu_cxx::__promote_3 using template after
2070 _Float{16,32,64,128} and __gnu_cxx::__bfloat16_t overloads.
2072 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
2074 * testsuite/18_support/headers/limits/synopsis.cc: Uncomment
2075 checks for float_round_style and float_denorm_style.
2077 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
2079 * include/bits/c++config: Add system_header pragma.
2081 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
2083 * include/std/expected (expected::and_then, expected::or_else)
2084 (expected::transform, expected::transform_error): Fix exception
2085 specifications as per LWG 3877.
2086 (expected<void, E>::and_then, expected<void, E>::transform):
2088 * testsuite/20_util/expected/lwg3877.cc: New test.
2090 2023-05-17 Ken Matsui <kmatsui@cs.washington.edu>
2092 * include/std/type_traits: Use __bool_constant instead of
2095 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
2097 * configure: Regenerate.
2099 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2102 * acinclude.m4 (GLIBCXX_CHECK_ALIGNAS_CACHELINE): Define.
2103 * config.h.in: Regenerate.
2104 * configure: Regenerate.
2105 * configure.ac: Use GLIBCXX_CHECK_ALIGNAS_CACHELINE.
2106 * src/c++11/shared_ptr.cc (__gnu_internal::get_mutex): Do not
2107 align lock table if not supported. use __GCC_DESTRUCTIVE_SIZE
2108 instead of hardcoded 64.
2110 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2112 * acinclude.m4 (GLIBCXX_USE_C99): Check for isblank in C++11
2113 mode and define _GLIBCXX_USE_C99_CTYPE. Check for <fenv.h>
2114 functions in C++11 mode and define _GLIBCXX_USE_C99_FENV.
2115 * config.h.in: Regenerate.
2116 * configure: Regenerate.
2117 * include/c_compatibility/fenv.h: Check _GLIBCXX_USE_C99_FENV
2118 instead of _GLIBCXX_USE_C99_FENV_TR1.
2119 * include/c_global/cfenv: Likewise.
2120 * include/c_global/cctype: Check _GLIBCXX_USE_C99_CTYPE instead
2121 of _GLIBCXX_USE_C99_CTYPE_TR1.
2123 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2125 * acinclude.m4 (GLIBCXX_USE_C99): Check for <stdint.h> types in
2126 C++11 mode and define _GLIBCXX_USE_C99_STDINT. Check for
2127 <inttypes.h> features in C++11 mode and define
2128 _GLIBCXX_USE_C99_INTTYPES and _GLIBCXX_USE_C99_INTTYPES_WCHAR_T.
2129 * config.h.in: Regenerate.
2130 * configure: Regenerate.
2131 * doc/doxygen/user.cfg.in (PREDEFINED): Add new macros.
2132 * include/bits/chrono.h: Check _GLIBCXX_USE_C99_STDINT instead
2133 of _GLIBCXX_USE_C99_STDINT_TR1.
2134 * include/c_compatibility/inttypes.h: Check
2135 _GLIBCXX_USE_C99_INTTYPES and _GLIBCXX_USE_C99_INTTYPES_WCHAR_T
2136 instead of _GLIBCXX_USE_C99_INTTYPES_TR1 and
2137 _GLIBCXX_USE_C99_INTTYPES_WCHAR_T_TR1.
2138 * include/c_compatibility/stdatomic.h: Check
2139 _GLIBCXX_USE_C99_STDINT instead of _GLIBCXX_USE_C99_STDINT_TR1.
2140 * include/c_compatibility/stdint.h: Likewise.
2141 * include/c_global/cinttypes: Check _GLIBCXX_USE_C99_INTTYPES
2142 and _GLIBCXX_USE_C99_INTTYPES_WCHAR_T instead of
2143 _GLIBCXX_USE_C99_INTTYPES_TR1 and
2144 _GLIBCXX_USE_C99_INTTYPES_WCHAR_T_TR1.
2145 * include/c_global/cstdint: Check _GLIBCXX_USE_C99_STDINT
2146 instead of _GLIBCXX_USE_C99_STDINT_TR1.
2147 * include/std/atomic: Likewise.
2148 * src/c++11/cow-stdexcept.cc: Likewise.
2149 * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc:
2151 * testsuite/lib/libstdc++.exp (check_v3_target_cstdint):
2154 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2156 * acinclude.m4 (GLIBCXX_USE_C99): Check for complex inverse trig
2157 functions in C++11 mode and define _GLIBCXX_USE_C99_COMPLEX_ARC.
2158 * config.h.in: Regenerate.
2159 * configure: Regenerate.
2160 * doc/doxygen/user.cfg.in (PREDEFINED): Add new macro.
2161 * include/std/complex: Check _GLIBCXX_USE_C99_COMPLEX_ARC
2162 instead of _GLIBCXX_USE_C99_COMPLEX_TR1.
2164 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2166 * testsuite/ext/debug_allocator/check_deallocate_null.cc: Add
2167 assertion to ensure expected exception is throw.
2169 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2171 * testsuite/libstdc++-prettyprinters/chrono.cc: Only test
2172 printer for chrono::zoned_time for cx11 ABI and tzdb effective
2175 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2177 * acinclude.m4 (GLIBCXX_CHECK_PTHREAD_MUTEX_CLOCKLOCK): Define
2178 _GLIBCXX_USE_PTHREAD_MUTEX_CLOCKLOCK in terms of _GLIBCXX_TSAN.
2179 * configure: Regenerate.
2181 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2183 * acinclude.m4 (GLIBCXX_CHECK_C99_TR1): Use a non-null pointer
2184 to check for nan, nanf, and nanl.
2185 * configure: Regenerate.
2187 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2189 * include/bits/char_traits.h (char_traits<char16_t>): Do not
2190 depend on _GLIBCXX_USE_C99_STDINT_TR1.
2191 (char_traits<char32_t>): Likewise.
2192 * include/experimental/source_location: Likewise.
2194 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2196 * include/std/atomic (atomic_int_least8_t, atomic_uint_least8_t)
2197 (atomic_int_least16_t, atomic_uint_least16_t)
2198 (atomic_int_least32_t, atomic_uint_least32_t)
2199 (atomic_int_least64_t, atomic_uint_least64_t)
2200 (atomic_int_fast16_t, atomic_uint_fast16_t)
2201 (atomic_int_fast32_t, atomic_uint_fast32_t)
2202 (atomic_int_fast64_t, atomic_uint_fast64_t)
2203 (atomic_intmax_t, atomic_uintmax_t): Define unconditionally.
2204 * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc: Adjust.
2206 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2208 * include/bits/algorithmfwd.h (shuffle): Do not depend on
2209 _GLIBCXX_USE_C99_STDINT_TR1.
2210 * include/bits/ranges_algo.h (shuffle): Likewise.
2211 * include/bits/stl_algo.h (shuffle): Likewise.
2212 * include/ext/random: Likewise.
2213 * include/ext/throw_allocator.h (random_condition): Likewise.
2214 * include/std/random: Likewise.
2215 * src/c++11/cow-string-inst.cc: Likewise.
2216 * src/c++11/random.cc: Likewise.
2218 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2220 * testsuite/experimental/feat-cxx14.cc: Remove dependency on
2221 _GLIBCXX_USE_C99_STDINT_TR1.
2223 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2225 * testsuite/22_locale/locale/cons/unicode.cc: Remove dependency
2226 on _GLIBCXX_USE_C99_STDINT_TR1.
2228 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2230 * testsuite/21_strings/basic_string_view/typedefs.cc: Remove
2231 dependency on _GLIBCXX_USE_C99_STDINT_TR1.
2232 * testsuite/experimental/string_view/typedefs.cc: Likewise.
2234 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
2236 * src/c++17/floating_from_chars.cc [USE_STRTOD_FOR_FROM_CHARS]
2237 (auto_locale, auto_ferounding): New class types.
2238 (from_chars_impl): Use auto_locale and auto_ferounding.
2240 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
2243 * include/std/chrono (hh_mm_ss::__fits): Remove variable
2245 (hh_mm_ss::__subseconds): Remove __fits from constraints.
2246 * testsuite/std/time/hh_mm_ss/109772.cc: New test.
2247 * testsuite/std/time/hh_mm_ss/1.cc: Adjust expected size for
2248 hh_mm_ss<duration<int, std::pico>>.
2250 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
2252 * config/abi/pre/gnu.ver: Export basic_string::_S_allocate.
2253 * include/bits/basic_ios.h: Add static assertion checking
2254 traits_type::value_type.
2255 * include/bits/basic_string.h: Likewise. Do not rebind
2256 allocator, and add static assertion checking its value_type.
2257 (basic_string::_Alloc_traits_impl): Remove class template.
2258 (basic_string::_S_allocate): New static member function.
2259 (basic_string::assign): Use _S_allocate.
2260 * include/bits/basic_string.tcc (basic_string::_M_create)
2261 (basic_string::reserve, basic_string::_M_replace): Likewise.
2262 * testsuite/21_strings/basic_string/requirements/explicit_instantiation/debug.cc:
2263 Disable for C++20 and later.
2264 * testsuite/21_strings/basic_string/requirements/explicit_instantiation/int.cc:
2267 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
2270 * include/bits/std_abs.h (abs(__float128)): Handle negative NaN
2271 and negative zero correctly.
2272 * testsuite/26_numerics/headers/cmath/109758.cc: New test.
2274 2023-05-10 François Dumont <fdumont@gcc.gnu.org>
2276 * include/bits/hashtable_policy.h
2277 (_NodeBuilder<>::_S_build): Use __node_ptr.
2278 (_ReuseOrAllocNode<>): Use __node_ptr in place of __node_type*.
2279 (_AllocNode<>): Likewise.
2280 (_Equality<>::_M_equal): Remove const_iterator usages. Only preserved
2281 to call std::is_permutation in the non-unique key implementation.
2282 * include/bits/hashtable.h (_Hashtable<>::_M_update_begin()): Capture
2284 (_Hashtable<>::_M_bucket_begin(size_type)): Implement implicitly inline.
2285 (_Hashtable<>::_M_insert_bucket_begin): Likewise.
2286 (_Hashtable<>::_M_remove_bucket_begin): Likewise.
2287 (_Hashtable<>::_M_compute_hash_code): Use __node_ptr rather than
2289 (_Hashtable<>::find): Likewise.
2290 (_Hashtable<>::_M_emplace): Likewise.
2291 (_Hashtable<>::_M_insert_unique): Likewise.
2293 2023-05-09 Jonathan Wakely <jwakely@redhat.com>
2295 * python/libstdcxx/v6/printers.py (StdChronoDurationPrinter):
2296 Print floating-point durations correctly.
2297 (StdChronoTimePointPrinter): Support printing only the value,
2298 not the type name. Uncomment handling for known clocks.
2299 (StdChronoZonedTimePrinter): Remove type names from output.
2300 (StdChronoCalendarPrinter): Fix hh_mm_ss member access.
2301 (StdChronoTimeZonePrinter): Add equals sign to output.
2302 * testsuite/libstdc++-prettyprinters/chrono.cc: New test.
2304 2023-05-05 Alexandre Oliva <oliva@adacore.com>
2306 * testsuite/20_util/from_chars/4.cc: Skip long double test06
2308 * testsuite/20_util/to_chars/long_double.cc: Xfail run on
2311 2023-05-04 Jonathan Wakely <jwakely@redhat.com>
2313 * doc/xml/manual/abi.xml (abi.versioning.history): Document
2314 libstdc++.so.6.0.32 and GLIBCXX_3.4.32 version.
2315 * doc/html/manual/abi.html: Regenerate.
2317 2023-05-04 Florian Weimer <fweimer@redhat.com>
2319 * doc/xml/manual/abi.xml (abi.versioning.history): Add
2320 GCC_7.0.0, GCC_9.0.0, GCC_11.0, GCC_12.0.0, GCC_13.0.0 for
2323 2023-05-03 Jakub Jelinek <jakub@redhat.com>
2325 * src/c++17/floating_from_chars.cc
2326 (_ZSt10from_charsPKcS0_RDF128_St12chars_format): New alias to
2327 _ZSt10from_charsPKcS0_Ru9__ieee128St12chars_format.
2328 * src/c++17/floating_to_chars.cc (_ZSt8to_charsPcS_DF128_): New alias to
2329 _ZSt8to_charsPcS_u9__ieee128.
2330 (_ZSt8to_charsPcS_DF128_St12chars_format): New alias to
2331 _ZSt8to_charsPcS_u9__ieee128St12chars_format.
2332 (_ZSt8to_charsPcS_DF128_St12chars_formati): New alias to
2333 _ZSt8to_charsPcS_u9__ieee128St12chars_formati.
2334 * config/abi/post/powerpc64le-linux-gnu/baseline_symbols.txt: Updated.
2336 2023-05-03 Jakub Jelinek <jakub@redhat.com>
2338 * configure.host (abi_baseline_pair): Use powerpc64le-linux-gnu
2339 rather than powerpc64-linux-gnu for powerpc64le*-linux*.
2340 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Remove
2341 _ZTI*DF128_, _ZTI*DF64x symbols and symbols in
2342 GLIBCXX_IEEE128_3.4.{29,30,31} and CXXABI_IEEE128_1.3.13 symbol
2344 * config/abi/post/powerpc64le-linux-gnu/baseline_symbols.txt: New
2347 2023-05-03 Kefu Chai <kefu.chai@scylladb.com>
2348 Jonathan Wakely <jwakely@redhat.com>
2351 * include/bits/basic_string.h (basic_string(Iter, Iter, Alloc)):
2352 Initialize _M_string_length.
2354 2023-05-02 Jakub Jelinek <jakub@redhat.com>
2356 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
2357 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
2358 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
2359 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
2360 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
2361 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
2362 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
2363 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2365 2023-05-02 Jakub Jelinek <jakub@redhat.com>
2368 * src/c++98/ios_init.cc: Add #pragma GCC diagnostic ignored for
2371 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
2373 * include/bits/random.h (gamma_distribution): Add to the right
2375 (discrete_distribution, piecewise_constant_distribution)
2376 (piecewise_linear_distribution): Create a new doxygen group and
2377 fix the incomplete doxygen comments.
2378 * include/bits/uniform_int_dist.h (uniform_int_distribution):
2379 Add to doxygen group.
2381 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
2383 * include/bits/uses_allocator.h: Add missing @file comment.
2384 * include/bits/regex.tcc: Remove stray doxygen comments.
2385 * include/experimental/memory_resource: Likewise.
2386 * include/std/bit: Tweak doxygen @cond comments.
2387 * include/std/expected: Likewise.
2388 * include/std/numbers: Likewise.
2390 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
2392 * doc/doxygen/user.cfg.in (STRIP_FROM_PATH): Remove prefixes
2395 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
2397 * include/bits/move.h: Simplify opening/closing namespace std.
2399 2023-04-28 Jakub Jelinek <jakub@redhat.com>
2402 * config/abi/pre/gnu.ver (GLIBCXX_3.4.32): Export
2403 _ZSt21ios_base_library_initv.
2404 * testsuite/util/testsuite_abi.cc (check_version): Add GLIBCXX_3.4.32
2405 symver and make it the latestp.
2406 * src/c++98/ios_init.cc (ios_base_library_init): New alias.
2407 * acinclude.m4 (libtool_VERSION): Change to 6:32:0.
2408 * include/std/iostream: If init_priority attribute is supported
2409 and _GLIBCXX_SYMVER_GNU, force undefined _ZSt21ios_base_library_initv
2410 symbol into the object.
2411 * configure: Regenerated.
2413 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2415 * include/bits/mofunc_impl.h: Fix typo in doxygen comment.
2416 * include/std/format: Likewise.
2418 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2420 * doc/doxygen/user.cfg.in (FORMULA_TRANSPARENT, DOT_FONTNAME)
2421 (DOT_FONTSIZE, DOT_TRANSPARENT): Remove obsolete options.
2423 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2425 * doc/doxygen/user.cfg.in (SOURCE_BROWSER): Only set to YES for
2427 * include/bits/gslice_array.h (_DEFINE_VALARRAY_OPERATOR): Omit
2429 * include/bits/indirect_array.h (_DEFINE_VALARRAY_OPERATOR):
2431 * include/bits/mask_array.h (_DEFINE_VALARRAY_OPERATOR):
2433 * include/bits/slice_array.h (_DEFINE_VALARRAY_OPERATOR):
2435 * include/std/valarray (_DEFINE_VALARRAY_UNARY_OPERATOR)
2436 (_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT)
2437 (_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT)
2438 (_DEFINE_BINARY_OPERATOR): Likewise.
2440 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2442 * include/bits/memory_resource.h: Improve doxygen comments.
2443 * include/std/memory_resource: Likewise.
2445 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2448 * include/bits/basic_string.h: Improve doxygen comments.
2449 * include/bits/cow_string.h: Likewise.
2450 * include/bits/forward_list.h: Likewise.
2451 * include/bits/fs_dir.h: Likewise.
2452 * include/bits/fs_path.h: Likewise.
2453 * include/bits/quoted_string.h: Likewise.
2454 * include/bits/stl_bvector.h: Likewise.
2455 * include/bits/stl_map.h: Likewise.
2456 * include/bits/stl_multimap.h: Likewise.
2457 * include/bits/stl_multiset.h: Likewise.
2458 * include/bits/stl_set.h: Likewise.
2459 * include/bits/stl_vector.h: Likewise.
2460 * include/bits/unordered_map.h: Likewise.
2461 * include/bits/unordered_set.h: Likewise.
2462 * include/std/filesystem: Likewise.
2463 * include/std/iomanip: Likewise.
2465 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2468 * src/c++11/random.cc (__throw_syserr): New function.
2469 (random_device::_M_init, random_device::_M_init_pretr1): Use new
2470 function for bad tokens.
2471 (random_device::_M_getval): Use new function for read errors.
2472 * testsuite/util/testsuite_random.h (random_device_available):
2473 Change catch handler to use std::system_error.
2475 2023-04-24 Patrick Palka <ppalka@redhat.com>
2477 * include/bits/max_size_type.h (__max_diff_type::operator>>=):
2478 Fix propagation of sign bit.
2479 * testsuite/std/ranges/iota/max_size_type.cc: Avoid using the
2480 non-standard 'signed typedef-name'. Add some compile-time tests
2481 for right-shifting a negative __max_diff_type value by more than
2484 2023-04-19 Patrick Palka <ppalka@redhat.com>
2485 Jonathan Wakely <jwakely@redhat.com>
2488 * include/bits/utility.h (_Nth_type): Conditionally define in
2489 terms of __type_pack_element if available.
2490 * testsuite/20_util/tuple/element_access/get_neg.cc: Prune
2491 additional errors from the new built-in.
2493 2023-04-19 Jonathan Wakely <jwakely@redhat.com>
2496 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2499 * src/Makefile.am: Move globals_io.cc to here.
2500 * src/Makefile.in: Regenerate.
2501 * src/c++98/Makefile.am: Remove globals_io.cc from here.
2502 * src/c++98/Makefile.in: Regenerate.
2503 * src/c++98/globals_io.cc [_GLIBCXX_SYMVER_GNU] (cin): Adjust
2504 symbol name and then export with GLIBCXX_3.4.31 symver.
2505 (cout, cerr, clog, wcin, wcout, wcerr, wclog): Likewise.
2506 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt:
2508 * config/abi/post/i486-linux-gnu/baseline_symbols.txt:
2510 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt:
2512 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt:
2514 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt:
2516 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt:
2518 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt:
2520 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt:
2522 * config/abi/pre/gnu.ver: Add iostream objects to new symver.
2524 2023-04-19 Jonathan Wakely <jwakely@redhat.com>
2527 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2530 * config/abi/pre/gnu.ver: Fix preprocessor condition.
2532 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2534 * doc/xml/manual/extensions.xml: Fix example to declare and
2535 qualify std::free, and use NULL instead of 0.
2536 * doc/html/manual/ext_demangling.html: Regenerate.
2537 * libsupc++/cxxabi.h: Adjust doxygen comments.
2539 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2542 * config/abi/pre/gnu.ver: Fix preprocessor condition.
2544 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2547 * src/Makefile.am: Move globals_io.cc to here.
2548 * src/Makefile.in: Regenerate.
2549 * src/c++98/Makefile.am: Remove globals_io.cc from here.
2550 * src/c++98/Makefile.in: Regenerate.
2551 * src/c++98/globals_io.cc [_GLIBCXX_SYMVER_GNU] (cin): Adjust
2552 symbol name and then export with GLIBCXX_3.4.31 symver.
2553 (cout, cerr, clog, wcin, wcout, wcerr, wclog): Likewise.
2554 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt:
2556 * config/abi/post/i486-linux-gnu/baseline_symbols.txt:
2558 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt:
2560 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt:
2562 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt:
2564 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt:
2566 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt:
2568 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt:
2570 * config/abi/pre/gnu.ver: Add iostream objects to new symver.
2572 2023-04-18 Patrick Palka <ppalka@redhat.com>
2575 * include/bits/ranges_cmp.h (__cpp_lib_ranges): Bump value
2577 * include/std/ranges (range_adaptor_closure): Define for C++23.
2578 * include/std/version (__cpp_lib_ranges): Bump value for
2580 * testsuite/std/ranges/version_c++23.cc: Bump expected value
2581 of __cpp_lib_ranges.
2582 * testsuite/std/ranges/range_adaptor_closure.cc: New test.
2584 2023-04-18 Patrick Palka <ppalka@redhat.com>
2586 * include/bits/ranges_algo.h (__cpp_lib_ranges_contains):
2588 (__cpp_lib_ranges_iota): Likewise.
2589 (__cpp_lib_ranges_find_last): Likewise.
2590 (__cpp_lib_fold): Rename to ...
2591 (__cpp_lib_ranges_fold): ... this.
2592 * include/std/version: As above.
2593 * testsuite/25_algorithms/fold_left/1.cc: Adjust after
2594 renaming __cpp_lib_fold.
2595 * testsuite/std/ranges/version_c++23.cc: Verify values
2596 of the above feature-test macros.
2598 2023-04-18 Patrick Palka <ppalka@redhat.com>
2601 * include/std/ranges (views::_AsConst::operator()): Add
2602 missing const to constant_range test.
2603 * testsuite/std/ranges/adaptors/as_const/1.cc (test02):
2604 Improve formatting. Adjust expected type of v2.
2607 2023-04-14 Patrick Palka <ppalka@redhat.com>
2609 * include/bits/ranges_base.h (const_iterator_t): Define for C++23.
2610 (const_sentinel_t): Likewise.
2611 (range_const_reference_t): Likewise.
2612 (constant_range): Likewise.
2613 (__cust_access::__possibly_const_range): Likewise, replacing ...
2614 (__cust_access::__as_const): ... this.
2615 (__cust_access::_CBegin::operator()): Redefine for C++23 as per P2278R4.
2616 (__cust_access::_CEnd::operator()): Likewise.
2617 (__cust_access::_CRBegin::operator()): Likewise.
2618 (__cust_access::_CREnd::operator()): Likewise.
2619 (__cust_access::_CData::operator()): Likewise.
2620 * include/bits/ranges_util.h (ranges::__detail::__different_from):
2621 Make it an alias of std::__detail::__different_from.
2622 (view_interface::cbegin): Define for C++23.
2623 (view_interface::cend): Likewise.
2624 * include/bits/stl_iterator.h (__detail::__different_from): Define.
2625 (iter_const_reference_t): Define for C++23.
2626 (__detail::__constant_iterator): Likewise.
2627 (__detail::__is_const_iterator): Likewise.
2628 (__detail::__not_a_const_iterator): Likewise.
2629 (__detail::__iter_const_rvalue_reference_t): Likewise.
2630 (__detail::__basic_const_iter_cat):: Likewise.
2631 (const_iterator): Likewise.
2632 (__detail::__const_sentinel): Likewise.
2633 (const_sentinel): Likewise.
2634 (basic_const_iterator): Likewise.
2635 (common_type<basic_const_iterator<_Tp>, _Up>): Likewise.
2636 (common_type<_Up, basic_const_iterator<_Tp>>): Likewise.
2637 (common_type<basic_const_iterator<_Tp>, basic_const_iterator<Up>>):
2639 (make_const_iterator): Define for C++23.
2640 (make_const_sentinel): Likewise.
2641 * include/std/ranges (__cpp_lib_ranges_as_const): Likewise.
2642 (as_const_view): Likewise.
2643 (enable_borrowed_range<as_const_view>): Likewise.
2644 (views::__detail::__is_ref_view): Likewise.
2645 (views::__detail::__can_is_const_view): Likewise.
2646 (views::_AsConst, views::as_const): Likewise.
2647 * include/std/span (span::const_iterator): Likewise.
2648 (span::const_reverse_iterator): Likewise.
2649 (span::cbegin): Likewise.
2650 (span::cend): Likewise.
2651 (span::crbegin): Likewise.
2652 (span::crend): Likewise.
2653 * include/std/version (__cpp_lib_ranges_as_const): Likewise.
2654 * testsuite/std/ranges/adaptors/join.cc (test06): Adjust to
2655 behave independently of C++20 vs C++23.
2656 * testsuite/std/ranges/version_c++23.cc: Verify value of
2657 __cpp_lib_ranges_as_const macro.
2658 * testsuite/24_iterators/const_iterator/1.cc: New test.
2659 * testsuite/std/ranges/adaptors/as_const/1.cc: New test.
2661 2023-04-14 Patrick Palka <ppalka@redhat.com>
2663 * include/bits/ranges_base.h (__cust_access::__as_const)
2664 (__cust_access::_CBegin, __cust::cbegin)
2665 (__cust_access::_CEnd, __cust::cend)
2666 (__cust_access::_CRBegin, __cust::crbegin)
2667 (__cust_access::_CREnd, __cust::crend)
2668 (__cust_access::_CData, __cust::cdata): Move down definitions to
2669 shortly after the definition of input_range.
2671 2023-04-14 Patrick Palka <ppalka@redhat.com>
2673 * include/bits/ranges_algo.h: Include <optional> for C++23.
2674 (__cpp_lib_fold): Define for C++23.
2675 (in_value_result): Likewise.
2676 (__detail::__flipped): Likewise.
2677 (__detail::__indirectly_binary_left_foldable_impl): Likewise.
2678 (__detail::__indirectly_binary_left_foldable): Likewise.
2679 (___detail:__indirectly_binary_right_foldable): Likewise.
2680 (fold_left_with_iter_result): Likewise.
2681 (__fold_left_with_iter_fn, fold_left_with_iter): Likewise.
2682 (__fold_left_fn, fold_left): Likewise.
2683 (__fold_left_first_with_iter_fn, fold_left_first_with_iter):
2685 (__fold_left_first_fn, fold_left_first): Likewise.
2686 (__fold_right_fn, fold_right): Likewise.
2687 (__fold_right_last_fn, fold_right_last): Likewise.
2688 * include/std/version (__cpp_lib_fold): Likewise.
2689 * testsuite/25_algorithms/fold_left/1.cc: New test.
2690 * testsuite/25_algorithms/fold_right/1.cc: New test.
2692 2023-04-14 Jonathan Wakely <jwakely@redhat.com>
2694 * include/std/format (formatter): Add comment to deleted default
2695 constructor of primary template.
2696 (_Checking_scanner): Add static_assert.
2698 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
2700 * doc/xml/manual/using.xml: Document libstdc++exp.a library.
2701 * doc/html/*: Regenerate.
2703 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
2705 * testsuite/17_intro/names.cc [_AIX]: Do not define policy.
2706 * testsuite/19_diagnostics/error_code/cons/lwg3629.cc: Rename
2707 namespace to avoid clashing with libc struct.
2708 * testsuite/19_diagnostics/error_condition/cons/lwg3629.cc:
2710 * testsuite/23_containers/unordered_map/96088.cc: Skip on AIX.
2711 * testsuite/23_containers/unordered_multimap/96088.cc: Likewise.
2712 * testsuite/23_containers/unordered_multiset/96088.cc: Likewise.
2713 * testsuite/23_containers/unordered_set/96088.cc: Likewise.
2714 * testsuite/experimental/synchronized_value.cc: Require gthreads
2715 and add missing option for pthreads targets.
2717 2023-04-12 Patrick Palka <ppalka@redhat.com>
2719 * include/std/ranges (__cpp_lib_ranges_enumerate): Define
2721 (__detail::__range_with_movable_reference): Likewise.
2722 (enumerate_view): Likewise.
2723 (enumerate_view::_Iterator): Likewise.
2724 (enumerate_view::_Sentinel): Likewise.
2725 (views::__detail::__can_enumerate_view): Likewise.
2726 (views::_Enumerate, views::enumerate): Likewise.
2727 * include/std/version (__cpp_lib_ranges_enumerate): Likewise.
2728 * testsuite/std/ranges/version_c++23.cc: Verify value of
2729 __cpp_lib_ranges_enumerate.
2730 * testsuite/std/ranges/adaptors/enumerate/1.cc: New test.
2732 2023-04-12 Patrick Palka <ppalka@redhat.com>
2734 * include/std/ranges (lazy_split_view::_OuterIter::_OuterIter):
2735 Propagate _M_trailing_empty in the const-converting constructor
2737 * testsuite/std/ranges/adaptors/adjacent/1.cc (test04): Correct
2739 * testsuite/std/ranges/adaptors/lazy_split.cc (test12): New test.
2741 2023-04-12 Patrick Palka <ppalka@redhat.com>
2743 * src/c++17/floating_from_chars.cc: Include <algorithm>,
2744 <iterator>, <limits> and <cstdint>.
2746 2023-04-12 Patrick Palka <ppalka@redhat.com>
2749 * include/std/ranges (chunk_by_view::_M_find_next): Generalize
2750 parameter types of the lambda wrapper passed to adjacent_find.
2751 (chunk_by_view::_M_find_prev): Likewise.
2752 * testsuite/std/ranges/adaptors/chunk_by/1.cc (test04, test05):
2755 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
2758 * include/experimental/internet (basic_endpoint::basic_endpoint()):
2759 Ensure that the required union members are active. Only define
2760 as constexpr for C++20 and later.
2761 (basic_endpoint::basic_endpoint(const protocol_type&, port_type)):
2763 * testsuite/experimental/net/internet/endpoint/cons.cc: Only
2764 check constexpr default constructor for C++20 and later.
2765 * testsuite/experimental/net/internet/endpoint/extensible.cc:
2768 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
2770 * src/c++20/tzdata.zi: Import new file from 2023c release.
2772 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
2774 * include/precompiled/stdc++.h (C++17): Don't double-include
2775 <charconv>, once with wrong conditions.
2776 * testsuite/18_support/96817.cc: Require hosted.
2777 * testsuite/18_support/bad_exception/59392.cc: Ditto.
2778 * testsuite/20_util/scoped_allocator/108952.cc: Ditto.
2779 * testsuite/20_util/uses_allocator/lwg3527.cc: Ditto.
2780 * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
2783 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
2785 * include/bits/c++config: When __STDC_HOSTED__ is zero,
2786 disable _GLIBCXX_DEBUG and, if it was set, enable
2787 _GLIBCXX_ASSERTIONS.
2788 * testsuite/lib/libstdc++.exp (check_v3_target_debug_mode):
2789 Include <bits/c++config.h> when determining whether debug is
2790 set, in order to inherit the logic from above
2792 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
2794 * testsuite/17_intro/versionconflict.cc: New test.
2795 * include/std/version: Allow disabling the system_header pragma
2796 via _GLIBCXX_TESTING_SYSHDR.
2798 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
2800 * include/bits/unique_ptr.h (__cpp_lib_constexpr_memory):
2801 Synchronize the definition block with...
2802 * include/bits/ptr_traits.h (__cpp_lib_constexpr_memory):
2803 ... this one here. Also define the 202202L value, rather than
2804 leaving it up to purely unique_ptr.h, so that the value is
2805 synchronized across all headers.
2806 (__gnu_debug::_Safe_iterator_base): Move into new conditional
2808 * include/std/memory (__cpp_lib_atomic_value_initialization):
2809 Define on freestanding under the same conditions as in
2811 * include/std/version (__cpp_lib_robust_nonmodifying_seq_ops):
2812 Also define on freestanding.
2813 (__cpp_lib_to_chars): Ditto.
2814 (__cpp_lib_gcd): Ditto.
2815 (__cpp_lib_gcd_lcm): Ditto.
2816 (__cpp_lib_raw_memory_algorithms): Ditto.
2817 (__cpp_lib_array_constexpr): Ditto.
2818 (__cpp_lib_nonmember_container_access): Ditto.
2819 (__cpp_lib_clamp): Ditto.
2820 (__cpp_lib_constexpr_char_traits): Ditto.
2821 (__cpp_lib_constexpr_string): Ditto.
2822 (__cpp_lib_sample): Ditto.
2823 (__cpp_lib_lcm): Ditto.
2824 (__cpp_lib_constexpr_iterator): Ditto.
2825 (__cpp_lib_constexpr_char_traits): Ditto.
2826 (__cpp_lib_interpolate): Ditto.
2827 (__cpp_lib_constexpr_utility): Ditto.
2828 (__cpp_lib_shift): Ditto.
2829 (__cpp_lib_ranges): Ditto.
2830 (__cpp_lib_move_iterator_concept): Ditto.
2831 (__cpp_lib_constexpr_numeric): Ditto.
2832 (__cpp_lib_constexpr_functional): Ditto.
2833 (__cpp_lib_constexpr_algorithms): Ditto.
2834 (__cpp_lib_constexpr_tuple): Ditto.
2835 (__cpp_lib_constexpr_memory): Ditto.
2837 2023-04-05 John David Anglin <danglin@gcc.gnu.org>
2839 * testsuite/22_locale/locale/cons/12658_thread-2.cc: Double
2840 timeout factor on hppa*-*-*.
2842 2023-04-05 Jonathan Wakely <jwakely@redhat.com>
2844 * include/bits/regex.h (sub_match::swap): New function.
2845 * testsuite/28_regex/sub_match/lwg3204.cc: New test.
2847 2023-04-04 Jonathan Wakely <jwakely@redhat.com>
2849 * doc/xml/manual/extensions.xml: Remove std::bad_exception from
2851 * doc/html/manual/ext_demangling.html: Regenerate.
2853 2023-03-31 Jonathan Wakely <jwakely@redhat.com>
2855 PR tree-optimization/107087
2856 * include/bits/cow_string.h (basic_string::size()): Add
2857 optimizer hint that _S_empty_rep()._M_length is always zero.
2858 (basic_string::length()): Call size().
2860 2023-03-31 Jonathan Wakely <jwakely@redhat.com>
2863 * include/std/stop_token (_Stop_state_ptr(const stop_source&)):
2864 Add attribute access with access-mode 'none'.
2865 * testsuite/30_threads/stop_token/stop_source/109339.cc: New test.
2867 2023-03-31 Jonathan Wakely <jwakely@redhat.com>
2869 * include/experimental/internet (ip::basic_endpoint::_M_if_v6):
2870 Revert change from member function to data member. Fix for
2871 constant evaluation by detecting which union member is active.
2872 (ip::basic_endpoint::resize): Revert changes to update _M_is_v6
2875 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
2878 * testsuite/20_util/optional/monadic/pr109340.cc: Moved to...
2879 * testsuite/20_util/optional/monadic/pr109242.cc: ...here.
2881 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
2883 * include/experimental/internet (ip::make_address): Implement
2885 (ip::address_v4::broadcast()): Avoid undefined shift.
2886 (ip::basic_endpoint): Fix member functions for constexpr.
2887 (ip::basic_endpoint::_M_is_v6): Replace member function with
2888 data member, adjust member functions using it.
2889 (ip::basic_endpoint::resize): Update _M_is_v6 based on sockaddr
2891 * testsuite/experimental/net/internet/address/v4/cons.cc: Fix
2892 constexpr checks to work in C++14.
2893 * testsuite/experimental/net/internet/address/v4/creation.cc:
2895 * testsuite/experimental/net/internet/endpoint/cons.cc:
2897 * testsuite/experimental/net/internet/network/v4/cons.cc:
2899 * testsuite/experimental/net/internet/network/v4/members.cc:
2901 * testsuite/experimental/net/internet/endpoint/extensible.cc: New test.
2903 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
2905 * include/std/expected (expected::value() &): Use const lvalue
2906 for unex member passed to bad_expected_access constructor, as
2909 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
2912 * include/std/expected (expected::transform): Use
2913 std::remove_cv_t instead of std::remove_cvref_t.
2914 (expected::transform_error): Likewise.
2915 (expected<cv void, E>::transform): Likewise.
2916 (expected<cv void, E>::transform_error): Likewise.
2917 * include/std/optional (transform): Use std::remove_cv_t.
2918 * testsuite/20_util/optional/monadic/pr109340.cc: New test.
2920 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
2922 * include/std/optional (optional): Adjust static assertion to
2923 reject arrays and functions as well as references.
2924 * testsuite/20_util/optional/requirements_neg.cc: New test.
2926 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
2929 * include/bits/istream.tcc (istream::_M_extract(ValueT&)): Use
2930 std::use_facet instead of cached _M_num_get facet.
2931 (istream::operator>>(short&)): Likewise.
2932 (istream::operator>>(int&)): Likewise.
2933 * include/bits/ostream.tcc (ostream::_M_insert(ValueT)): Use
2934 std::use_facet instead of cached _M_num_put facet.
2936 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
2938 * include/bits/char_traits.h (char_traits::copy): Return without
2939 using memcpy if n==0.
2940 (char_traits::assign): Likewise for memset.
2942 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
2945 * include/bits/basic_string.h (basic_string::_M_is_local()): Add
2946 hint for compiler that local strings fit in the local buffer.
2948 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
2951 * include/std/chrono (__detail::__get_leap_second_info): Update
2952 expiry date of hardcoded leapseconds list.
2953 * src/c++20/tzdb.cc (tzdb_list::_Node::_S_read_leap_seconds()):
2955 * src/c++20/tzdata.zi: Import new file from 2023a release.
2956 * testsuite/std/time/time_zone/get_info_local.cc: Only check
2957 transitions for Egypt up to 2014.
2959 2023-03-28 Matthias Kretz <m.kretz@gsi.de>
2961 * include/experimental/bits/simd.h (is_simd_flag_type): New.
2962 (_IsSimdFlagType): New.
2963 (copy_from, copy_to, load ctors): Constrain _Flags using
2966 2023-03-28 Matthias Kretz <m.kretz@gsi.de>
2968 * include/experimental/bits/simd_x86.h (_SimdImplX86): Use
2969 _Base::_S_divides if the optimized _S_divides function is hidden
2970 via the preprocessor.
2972 2023-03-27 Jakub Jelinek <jakub@redhat.com>
2974 * testsuite/experimental/net/timer/waitable/dest.cc: Avoid -Wformat
2975 warning if size_t is not unsigned long.
2977 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
2979 * include/bits/shared_ptr_atomic.h (atomic::operator=(nullptr_t)):
2980 Add overload, as per LWG 3893.
2981 * testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc:
2982 Check assignment from nullptr.
2984 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
2986 * include/std/format (formatter<const charT[N], charT>): Do not
2987 define partial speclialization, as per LWG 3833.
2988 * testsuite/std/format/formatter/requirements.cc: Check it.
2990 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
2992 * include/std/utility (__cpp_lib_constexpr_algorithms): Define,
2994 * testsuite/20_util/exchange/constexpr.cc: Check for it.
2996 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
2998 * include/std/version (__cpp_lib_format): Define.
2999 * testsuite/std/format/functions/format.cc: Check it.
3001 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3003 * include/bits/basic_string.tcc (basic_string::resize_and_overwrite):
3004 Pass rvalues to the callback, as now allowed by LWG 3645.
3005 Enforce preconditions on the return value.
3006 * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
3009 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3011 * include/std/format: Add a comment noting that the resolution
3012 of LWG 3720 has been applied..
3014 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3016 * include/bits/regex.h (match_results): Add allocator-extended
3017 copy and move constructors, as per LWG 2195.
3018 * testsuite/28_regex/match_results/ctors/char/alloc.cc: New test.
3020 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
3022 * include/bits/stream_iterator.h (istream_iterator): Add
3023 constexpr to copy constructor, as per LWG 3600.
3024 * testsuite/24_iterators/istream_iterator/cons/constexpr.cc:
3025 Check copy construction.
3027 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
3029 * include/experimental/bits/simd_x86.h
3030 (_SimdImplX86::_S_divides): Replace test for __GCC_IEC_559 == 0
3031 with __RECIPROCAL_MATH__.
3033 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
3035 * include/experimental/bits/simd_detail.h: Don't define
3036 _GLIBCXX_SIMD_WORKAROUND_PR90993 for Clang.
3037 * include/experimental/bits/simd_x86.h (_S_divides): Remove
3038 check for __clang__.
3040 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
3042 * include/experimental/bits/simd_detail.h: Don't declare the
3043 simd API as constexpr with Clang.
3044 * include/experimental/bits/simd_x86.h (__movm): New.
3045 (_S_blend_avx512): Resolve FIXME. Implement blend using __movm
3047 (_SimdImplX86::_S_masked_unary): Clang does not implement the
3048 same builtins. Implement the function using __movm, ?:, and -
3049 operators on vector_size types instead.
3051 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
3053 * testsuite/experimental/simd/tests/operators.cc: Clang doesn't
3054 define __GCC_IEC_559. Use __STDC_IEC_559__ instead.
3056 2023-03-20 Jonathan Wakely <jwakely@redhat.com>
3058 * src/filesystem/ops-common.h (get_temp_directory_from_env): Fix
3061 2023-03-20 Marek Polacek <polacek@redhat.com>
3064 * testsuite/20_util/pair/cons/explicit_construct.cc: Adjust dg-error.
3065 * testsuite/20_util/tuple/cons/explicit_construct.cc: Likewise.
3066 * testsuite/23_containers/span/explicit.cc: Likewise.
3068 2023-03-20 Jonathan Wakely <jwakely@redhat.com>
3071 * include/std/expected (expected<void>::expected(in_place_t)):
3072 Remove template-head.
3074 2023-03-18 Jonathan Wakely <jwakely@redhat.com>
3077 * testsuite/18_support/coroutines/hash.cc: Use const object
3080 2023-03-17 Jonathan Wakely <jwakely@redhat.com>
3083 * include/std/coroutine (hash<>::operator()): Add const.
3084 * testsuite/18_support/coroutines/hash.cc: New test.
3086 2023-03-14 Patrick Palka <ppalka@redhat.com>
3089 * include/std/ranges (repeat_view): Remove redundant parentheses
3091 (repeat_view::_Iterator): Correct the requires-clause.
3093 2023-03-14 Patrick Palka <ppalka@redhat.com>
3095 * include/bits/stl_iterator.h (move_iterator::_S_iter_concept):
3097 (__cpp_lib_move_iterator_concept): Define for C++20.
3098 (move_iterator::iterator_concept): Strengthen as per P2520R0.
3099 * include/std/version (__cpp_lib_move_iterator_concept): Define
3101 * testsuite/24_iterators/move_iterator/p2520r0.cc: New test.
3103 2023-03-14 Patrick Palka <ppalka@redhat.com>
3105 * include/bits/ranges_util.h (view_interface::empty): Add
3106 preferred overloads that use ranges::size when the range is
3107 sized as per LWG 3715.
3108 * testsuite/std/ranges/adaptors/lwg3715.cc: New test.
3110 2023-03-14 Jonathan Wakely <jwakely@redhat.com>
3112 * include/bits/chrono.h (__is_duration_v, __is_time_point_v):
3113 Only define for C++17 and later.
3115 2023-03-14 Jonathan Wakely <jwakely@redhat.com>
3117 * src/Makefile.am: Add comment about linker script fragments.
3118 * src/Makefile.in: Regenerate.
3120 2023-03-14 Jonathan Wakely <jwakely@redhat.com>
3123 * include/bits/mask_array.h (mask_array): Add assertions to
3124 assignment operators.
3125 * include/std/valarray (valarray::operator[](valarray<bool>)):
3127 * testsuite/26_numerics/valarray/mask-1_neg.cc: New test.
3128 * testsuite/26_numerics/valarray/mask-2_neg.cc: New test.
3129 * testsuite/26_numerics/valarray/mask-3_neg.cc: New test.
3130 * testsuite/26_numerics/valarray/mask-4_neg.cc: New test.
3131 * testsuite/26_numerics/valarray/mask-5_neg.cc: New test.
3132 * testsuite/26_numerics/valarray/mask-6_neg.cc: New test.
3133 * testsuite/26_numerics/valarray/mask-7_neg.cc: New test.
3134 * testsuite/26_numerics/valarray/mask-8_neg.cc: New test.
3135 * testsuite/26_numerics/valarray/mask.cc: New test.
3137 2023-03-13 Jakub Jelinek <jakub@redhat.com>
3139 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
3140 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3142 2023-03-13 Jonathan Wakely <jwakely@redhat.com>
3144 * doc/Makefile.am: Add comment referring to documentation.
3145 * doc/Makefile.in: Regenerate.
3147 2023-03-13 Jonathan Wakely <jwakely@redhat.com>
3149 * doc/html/*: Regenerate.
3151 2023-03-13 Jonny Grant <jg@jguk.org>
3153 * doc/xml/faq.xml: Update copyright year.
3155 2023-03-13 Jonathan Wakely <jwakely@redhat.com>
3157 * include/bits/allocator.h: Fix typo in comment.
3159 2023-03-12 Jakub Jelinek <jakub@redhat.com>
3161 * config/abi/pre/gnu.ver (CXXABI_1.3.14): Also export __bf16 tinfos
3162 if it isn't mangled as DF16b but u6__bf16.
3164 2023-03-12 Gerald Pfeifer <gerald@pfeifer.com>
3166 * doc/xml/manual/documentation_hacking.xml: Move www.graphviz.org
3168 * doc/html/manual/documentation_hacking.html: Regenerate.
3170 2023-03-10 Jonathan Wakely <jwakely@redhat.com>
3173 * python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker):
3174 Remove self-recursion in __init__. Add missing _supports.
3175 * testsuite/libstdc++-xmethods/shared_ptr.cc: Check use_count()
3178 2023-03-09 Patrick Palka <ppalka@redhat.com>
3180 * include/std/ranges
3181 (cartesian_product_view::_Iterator::_Iterator): Remove
3182 constraint on default constructor as per LWG 3849.
3183 (cartesian_product_view::_Iterator::_M_prev): Adjust position
3184 of _Nm > 0 test as per LWG 3820.
3185 (cartesian_product_view::_Iterator::_M_advance): Perform bounds
3186 checking only on sized cartesian products.
3187 * testsuite/std/ranges/cartesian_product/1.cc (test08): New test.
3189 2023-03-09 Patrick Palka <ppalka@redhat.com>
3192 * include/std/ranges (chunk_by_view::_M_pred): Remove DMI as per
3194 (repeat_view::_M_pred): Likewise.
3195 * testsuite/std/ranges/adaptors/chunk_by/1.cc (test03): New test.
3196 * testsuite/std/ranges/repeat/1.cc (test05): New test.
3198 2023-03-09 Patrick Palka <ppalka@redhat.com>
3201 * include/std/ranges (__detail::__can_single_view): New concept.
3202 (_Single::operator()): Constrain it. Move [[nodiscard]] to the
3203 end of the function declarator.
3204 (__detail::__can_iota_view): New concept.
3205 (_Iota::operator()): Constrain it. Move [[nodiscard]] to the
3206 end of the function declarator.
3207 (__detail::__can_istream_view): New concept.
3208 (_Istream::operator()): Constrain it. Move [[nodiscard]] to the
3209 end of the function declarator.
3210 * testsuite/std/ranges/iota/iota_view.cc (test07): New test.
3211 * testsuite/std/ranges/istream_view.cc (test08): New test.
3212 * testsuite/std/ranges/single_view.cc (test07): New test.
3214 2023-03-09 Patrick Palka <ppalka@redhat.com>
3217 * include/std/ranges (cartesian_product_view::end): When
3218 building the tuple of iterators, avoid calling ranges::begin on
3219 the first range if __empty_tail is false.
3220 * testsuite/std/ranges/cartesian_product/1.cc (test07): New test.
3222 2023-03-09 Jonathan Wakely <jwakely@redhat.com>
3225 * config/os/gnu-linux/ldbl-ieee128-extra.ver: Fix incorrect
3228 2023-03-07 Jakub Jelinek <jakub@redhat.com>
3230 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3231 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
3232 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
3233 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
3234 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
3236 2023-03-07 Jonathan Wakely <jwakely@redhat.com>
3239 * config/abi/pre/gnu.ver (GLIBCXX_3.4.31): Adjust patterns to
3240 not match symbols in namespace std::__gnu_cxx11_ieee128.
3241 * config/os/gnu-linux/ldbl-ieee128-extra.ver: Add patterns for
3242 std::__gnu_cxx11_ieee128::money_{get,put}.
3244 2023-03-07 Jonathan Wakely <jwakely@redhat.com>
3246 * libsupc++/eh_personality.cc: Fix spelling in comment.
3248 2023-03-03 Alexandre Oliva <oliva@adacore.com>
3250 * testsuite/30_threads/async/async.cc (test04): Initialize
3251 steady_start, renamed from steady_begin, next to slow_start.
3252 Increase tolerance for final wait.
3254 2023-03-03 Alexandre Oliva <oliva@adacore.com>
3256 * testsuite/libstdc++-prettyprinters/80276.cc: Add
3257 std::string to debug info.
3258 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
3260 2023-03-03 Alexandre Oliva <oliva@adacore.com>
3265 * include/bits/std_thread.h (thread::_M_thread_deps): New
3266 static implicitly-inline member function.
3267 (std::thread template ctor): Pass it to _M_start_thread.
3268 * src/c++11/thread.cc (thread::_M_start_thread): Name depend
3269 parameter, force it live on entry.
3271 2023-03-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3273 * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
3274 * config/abi/post/i386-solaris/amd64/baseline_symbols.txt:
3276 * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
3277 * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
3280 2023-03-01 Jonathan Wakely <jwakely@redhat.com>
3282 * include/bits/cow_string.h: Fix typo in comment.
3284 2023-03-01 Jonathan Wakely <jwakely@redhat.com>
3286 * src/c++20/tzdb.cc (chrono::tzdb::current_zone()) Use "UTC" if
3287 current time zone cannot be determined.
3288 * testsuite/std/time/tzdb/1.cc: Remove conditions based on
3289 HAVE_TZDB macro and test all members unconditionally.
3291 2023-02-28 Jonathan Wakely <jwakely@redhat.com>
3294 * include/bits/uses_allocator_args.h
3295 (uses_allocator_construction_args): Implement LWG 3527.
3296 * testsuite/20_util/pair/astuple/get-2.cc: New test.
3297 * testsuite/20_util/scoped_allocator/108952.cc: New test.
3298 * testsuite/20_util/uses_allocator/lwg3527.cc: New test.
3300 2023-02-28 Jonathan Wakely <jwakely@redhat.com>
3303 * include/bits/stl_algobase.h (__copy_move<false, false, RA>)
3304 Add __assign_one static member function.
3305 (__copy_move<true, false, RA>): Likewise.
3306 (__copy_move<IsMove, true, RA>): Do not use memmove for a single
3308 (__copy_move_backward<IsMove, true, RA>): Likewise.
3309 * testsuite/25_algorithms/copy/108846.cc: New test.
3310 * testsuite/25_algorithms/copy_backward/108846.cc: New test.
3311 * testsuite/25_algorithms/copy_n/108846.cc: New test.
3312 * testsuite/25_algorithms/move/108846.cc: New test.
3313 * testsuite/25_algorithms/move_backward/108846.cc: New test.
3315 2023-02-28 Jonathan Wakely <jwakely@redhat.com>
3317 * src/c++11/codecvt.cc: Add [[likely]] and [[unlikely]]
3320 2023-02-27 Jonathan Wakely <jwakely@redhat.com>
3322 * include/bits/basic_ios.h (basic_ios::_M_setstate): Add
3324 * include/bits/basic_string.h (resize_and_overwrite): Add
3327 2023-02-24 Matthias Kretz <m.kretz@gsi.de>
3329 * include/experimental/bits/simd.h: Line breaks and indenting
3330 fixed to follow the libstdc++ standard.
3331 * include/experimental/bits/simd_builtin.h: Likewise.
3332 * include/experimental/bits/simd_fixed_size.h: Likewise.
3333 * include/experimental/bits/simd_neon.h: Likewise.
3334 * include/experimental/bits/simd_ppc.h: Likewise.
3335 * include/experimental/bits/simd_scalar.h: Likewise.
3336 * include/experimental/bits/simd_x86.h: Likewise.
3338 2023-02-24 Matthias Kretz <m.kretz@gsi.de>
3341 * include/experimental/bits/simd_fixed_size.h
3342 (_SimdImplFixedSize::_S_broadcast): Replace inline with
3343 _GLIBCXX_SIMD_INTRINSIC.
3344 (_SimdImplFixedSize::_S_generate): Likewise.
3345 (_SimdImplFixedSize::_S_load): Likewise.
3346 (_SimdImplFixedSize::_S_masked_load): Likewise.
3347 (_SimdImplFixedSize::_S_store): Likewise.
3348 (_SimdImplFixedSize::_S_masked_store): Likewise.
3349 (_SimdImplFixedSize::_S_min): Likewise.
3350 (_SimdImplFixedSize::_S_max): Likewise.
3351 (_SimdImplFixedSize::_S_complement): Likewise.
3352 (_SimdImplFixedSize::_S_unary_minus): Likewise.
3353 (_SimdImplFixedSize::_S_plus): Likewise.
3354 (_SimdImplFixedSize::_S_minus): Likewise.
3355 (_SimdImplFixedSize::_S_multiplies): Likewise.
3356 (_SimdImplFixedSize::_S_divides): Likewise.
3357 (_SimdImplFixedSize::_S_modulus): Likewise.
3358 (_SimdImplFixedSize::_S_bit_and): Likewise.
3359 (_SimdImplFixedSize::_S_bit_or): Likewise.
3360 (_SimdImplFixedSize::_S_bit_xor): Likewise.
3361 (_SimdImplFixedSize::_S_bit_shift_left): Likewise.
3362 (_SimdImplFixedSize::_S_bit_shift_right): Likewise.
3363 (_SimdImplFixedSize::_S_remquo): Add inline keyword (to be
3364 explicit about not always-inline, yet).
3365 (_SimdImplFixedSize::_S_isinf): Likewise.
3366 (_SimdImplFixedSize::_S_isfinite): Likewise.
3367 (_SimdImplFixedSize::_S_isnan): Likewise.
3368 (_SimdImplFixedSize::_S_isnormal): Likewise.
3369 (_SimdImplFixedSize::_S_signbit): Likewise.
3371 2023-02-24 Matthias Kretz <m.kretz@gsi.de>
3374 * include/experimental/bits/simd_builtin.h
3375 (_SimdImplBuiltin::_S_masked_unary): More efficient
3376 implementation of masked inc-/decrement for integers and floats
3378 * include/experimental/bits/simd_x86.h
3379 (_SimdImplX86::_S_masked_unary): New. Use AVX512 masked subtract
3380 builtins for masked inc-/decrement.
3382 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3384 * include/experimental/executor (executor): Constrain template
3387 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3389 * include/experimental/internet (basic_endpoint): Add missing
3390 constexpr to comparison operators.
3391 * testsuite/experimental/net/internet/endpoint/cons.cc: New test.
3393 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3395 * include/experimental/internet (network_v4::netmask()): Avoid
3397 (network_v4::broadcast()): Optimize and fix for targets with
3398 uint_least32_t wider than 32 bits.
3399 (network_v4::to_string(const Allocator&)): Fix for custom
3400 allocators and optimize using to_chars.
3401 (operator==(const network_v4&, const network_v4&)): Add missing
3403 (operator==(const network_v6&, const network_v6&)): Likewise.
3404 * testsuite/experimental/net/internet/network/v4/cons.cc: New test.
3405 * testsuite/experimental/net/internet/network/v4/members.cc: New test.
3407 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3409 * include/experimental/internet (address_4(const bytes_type&)):
3410 Use __builtin_bit_cast if available, otherwise convert to
3412 (address_v4::to_bytes()): Likewise, but convert from network
3414 * testsuite/experimental/net/internet/address/v4/cons.cc: Fix
3415 incorrect tests. Check for constexpr too.
3416 * testsuite/experimental/net/internet/address/v4/creation.cc:
3418 * testsuite/experimental/net/internet/address/v4/members.cc:
3419 Check that bytes_type is a standard-layout type.
3421 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3423 * include/experimental/internet (address_v4::to_string):
3425 * testsuite/experimental/net/internet/address/v4/members.cc:
3426 Check more addresses.
3428 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3430 * include/ext/aligned_buffer.h (__aligned_buffer): Add
3433 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3435 * testsuite/std/format/arguments/lwg3810.cc: Move dg-options
3438 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3440 * testsuite/experimental/simd/tests/reductions.cc: Introduce
3441 max_distance as the type-dependent max error.
3443 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3445 * include/experimental/bits/simd_builtin.h (_S_set): Compare as
3446 int. The actual range of these indexes is very small.
3448 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3450 * include/experimental/bits/simd_x86.h (_S_bit_shift_left)
3451 (_S_bit_shift_right): Declare constexpr. The implementation was
3452 already expecting constexpr evaluation.
3454 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3457 * include/experimental/bits/simd_detail.h
3458 (_GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA): Define as empty for
3461 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3464 * include/experimental/bits/simd.h (__vector_broadcast):
3465 Implement via __vector_broadcast_impl instead of
3466 __call_with_n_evaluations + 2 lambdas.
3467 (__vector_broadcast_impl): New.
3469 2023-02-22 Alexandre Oliva <oliva@adacore.com>
3471 * src/c++11/shared_ptr.cc (__gnu_internal::get_mutex):
3472 Avoid destruction of the mutex pool.
3474 2023-02-22 Alexandre Oliva <oliva@adacore.com>
3476 * testsuite/27_io/basic_ofstream/open/char/noreplace.cc: xfail
3478 * testsuite/27_io/basic_ofstream/open/wchar_t/noreplace.cc:
3481 2023-02-22 Alexandre Oliva <oliva@adacore.com>
3483 * testsuite/17_intro/names.cc: Undef func on vxworks >= 7 in
3486 2023-02-20 Andreas Schwab <schwab@linux-m68k.org>
3488 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
3490 2023-02-20 Matthias Kretz <m.kretz@gsi.de>
3492 * include/experimental/bits/simd.h (__extract_part, split):
3493 Use reserved name for template parameter.
3495 2023-02-20 Andreas Schwab <schwab@suse.de>
3497 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3499 2023-02-18 Gerald Pfeifer <gerald@pfeifer.com>
3501 * doc/xml/faq.xml: Switch two links to www.open-std.org to https.
3502 * doc/html/faq.html: Regenerate.
3504 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3506 * include/experimental/bits/simd_math.h (__hypot): Bitcasting
3507 between scalars requires the __bit_cast helper function instead
3510 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3512 * include/experimental/bits/simd_x86.h
3513 (_SimdImplX86::_S_not_equal_to, _SimdImplX86::_S_less)
3514 (_SimdImplX86::_S_less_equal): Do not call
3515 __builtin_is_constant_evaluated in constexpr-if.
3517 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3519 * testsuite/experimental/simd/tests/bits/verify.h
3520 (verify::verify): Use %zx for size_t in format string.
3522 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3524 * testsuite/experimental/simd/generate_makefile.sh: Generate and
3525 pre-compile pch.h, which includes all headers that do not depend
3526 on command-line macros.
3527 * testsuite/experimental/simd/tests/bits/main.h: New file.
3528 (iterate_abis, main): Moved from verify.h.
3529 * testsuite/experimental/simd/tests/bits/verify.h
3530 (iterate_abis, main): Moved to main.h.
3531 * testsuite/experimental/simd/tests/bits/conversions.h: Add
3533 (genHalfBits): Simplify.
3534 * testsuite/experimental/simd/tests/bits/make_vec.h: Add include
3536 (make_alternating_mask): Moved from mask_loadstore.
3537 * testsuite/experimental/simd/tests/bits/mathreference.h: Add
3539 * testsuite/experimental/simd/tests/bits/test_values.h: Ditto.
3540 * testsuite/experimental/simd/tests/mask_loadstore.cc
3541 (make_mask, make_alternating_mask): Removed.
3542 * testsuite/experimental/simd/tests/mask_reductions.cc: Ditto.
3543 * testsuite/experimental/simd/tests/operators.cc (genHalfBits):
3545 * testsuite/experimental/simd/tests/abs.cc: Only include
3548 * testsuite/experimental/simd/tests/algorithms.cc: Ditto.
3549 * testsuite/experimental/simd/tests/broadcast.cc: Ditto.
3550 * testsuite/experimental/simd/tests/casts.cc: Ditto.
3551 * testsuite/experimental/simd/tests/fpclassify.cc: Ditto.
3552 * testsuite/experimental/simd/tests/frexp.cc: Ditto.
3553 * testsuite/experimental/simd/tests/generator.cc: Ditto.
3554 * testsuite/experimental/simd/tests/hypot3_fma.cc: Ditto.
3555 * testsuite/experimental/simd/tests/integer_operators.cc: Ditto.
3556 * testsuite/experimental/simd/tests/ldexp_scalbn_scalbln_modf.cc:
3557 * testsuite/experimental/simd/tests/loadstore.cc: Ditto.
3558 * testsuite/experimental/simd/tests/logarithm.cc: Ditto.
3559 * testsuite/experimental/simd/tests/mask_broadcast.cc: Ditto.
3560 * testsuite/experimental/simd/tests/mask_conversions.cc: Ditto.
3561 * testsuite/experimental/simd/tests/mask_implicit_cvt.cc: Ditto.
3562 * testsuite/experimental/simd/tests/mask_operator_cvt.cc: Ditto.
3563 * testsuite/experimental/simd/tests/mask_operators.cc: Ditto.
3564 * testsuite/experimental/simd/tests/math_1arg.cc: Ditto.
3565 * testsuite/experimental/simd/tests/math_2arg.cc: Ditto.
3566 * testsuite/experimental/simd/tests/operator_cvt.cc: Ditto.
3567 * testsuite/experimental/simd/tests/reductions.cc: Ditto.
3568 * testsuite/experimental/simd/tests/remqo.cc: Ditto.
3569 * testsuite/experimental/simd/tests/simd.cc: Ditto.
3570 * testsuite/experimental/simd/tests/sincos.cc: Ditto.
3571 * testsuite/experimental/simd/tests/split_concat.cc: Ditto.
3572 * testsuite/experimental/simd/tests/splits.cc: Ditto.
3573 * testsuite/experimental/simd/tests/trigonometric.cc: Ditto.
3574 * testsuite/experimental/simd/tests/trunc_ceil_floor.cc: Ditto.
3575 * testsuite/experimental/simd/tests/where.cc: Ditto.
3577 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3579 * testsuite/experimental/simd/README.md: Document the timeout
3580 and timeout-factor directives. Minor typo fixed.
3582 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3585 * include/experimental/bits/simd_detail.h: Define
3586 _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA.
3587 * include/experimental/bits/simd.h: Annotate lambdas with
3588 _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA.
3589 * include/experimental/bits/simd_builtin.h: Ditto.
3590 * include/experimental/bits/simd_converter.h: Ditto.
3591 * include/experimental/bits/simd_fixed_size.h: Ditto.
3592 * include/experimental/bits/simd_math.h: Ditto.
3593 * include/experimental/bits/simd_neon.h: Ditto.
3594 * include/experimental/bits/simd_x86.h: Ditto.
3596 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3598 * include/experimental/bits/simd.h
3599 (_SimdWrapper::_M_is_constprop_none_of)
3600 (_SimdWrapper::_M_is_constprop_all_of): Return false unless the
3601 computed result still satisfies __builtin_constant_p.
3603 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3605 * testsuite/std/format/arguments/lwg3810.cc: Replace UTF-8
3608 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3610 * include/Makefile.am: Add new header.
3611 * include/Makefile.in: Regenerate.
3612 * include/experimental/synchronized_value: New file.
3613 * testsuite/experimental/synchronized_value.cc: New test.
3615 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3617 * include/experimental/optional: Fix header name in comment.
3619 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3621 * include/std/format (__format::_Arg_store): New class template.
3622 (basic_format_args): Remove nested type _Store and add deduction
3623 guide from _Arg_store.
3624 (basic_format_arg, make_format_args): Adjust.
3625 * testsuite/std/format/arguments/lwg3810.cc: New test.
3627 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3629 * include/bits/stl_pair.h (pair) [C++20]: Add non-dangling
3630 constraints to constructors and add deleted overloads for the
3631 dangling cases, as per P2255R2.
3632 (pair) [!C++20 && _GLIBCXX_DEBUG]: Add static assertions to
3633 make dangling cases ill-formed.
3634 * testsuite/20_util/pair/dangling_ref.cc: New test.
3636 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3638 * testsuite/17_intro/names_pstl.cc: Require et tbb_backend.
3640 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3642 * include/ext/throw_allocator.h: Use reserved names for
3645 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3647 * testsuite/17_intro/names_pstl.cc: Add space after effective
3650 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3652 * include/pstl/algorithm_fwd.h (__pattern_search_n)
3653 (__brick_unique_copy, __brick_adjacent_find)
3654 (__brick_generate_n, __pattern_generate_n): Use reserved names
3656 * include/pstl/algorithm_impl.h (__brick_unique_copy)
3657 (__pattern_reverse, __brick_generate_n): Likewise.
3658 * include/pstl/execution_impl.h (__prefer_unsequenced_tag)
3659 (__prefer_parallel_tag): Likewise.
3660 * include/pstl/glue_algorithm_impl.h (transform): Likewise.
3661 * include/pstl/glue_numeric_defs.h (adjacent_difference):
3663 * include/pstl/numeric_impl.h (__brick_adjacent_difference):
3665 * include/pstl/parallel_backend_tbb.h (__merge_func): Likewise.
3666 * include/pstl/unseq_backend_simd.h (_Combiner)
3667 (__simd_min_element, __simd_minmax_element): Likewise.
3668 * testsuite/17_intro/names_pstl.cc: New test.
3670 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3672 * include/bits/fs_ops.h (create_directory): Use reserved name
3674 * include/bits/ranges_algo.h (__contains_subrange_fn):
3676 * include/bits/regex_automaton.h (_State_base::_M_print):
3678 * include/bits/regex_automaton.tcc(_State_base::_M_print):
3680 * include/bits/regex_scanner.tcc(_Scanner::_M_print): Likewise.
3681 * include/experimental/bits/fs_ops.h (create_directory):
3683 * include/std/mutex (timed_mutex::_M_clocklock): Likewise.
3684 (recursive_timed_mutex:_M_clocklock): Likewise.
3685 * include/std/tuple (basic_common_reference): Likewise.
3686 * libsupc++/cxxabi_init_exception.h
3687 (__cxa_init_primary_exception): Likewise.
3688 * testsuite/17_intro/names.cc: Add checks.
3690 2023-02-14 Gerald Pfeifer <gerald@pfeifer.com>
3692 * doc/xml/manual/status_cxx2017.xml: Update an open-std.org link
3693 to www.open-std.org and https.
3694 * doc/html/manual/status.html: Regenerate.
3696 2023-02-14 Thomas W Rodgers <rodgert@twrodgers.com>
3699 * include/std/atomic (atomic_flag_wait): Add.
3700 (atomic_flag_wait_explicit): Add.
3701 (atomic_flag_notify): Add.
3702 (atomic_flag_notify_explicit): Add.
3703 * testsuite/29_atomics/atomic_flag/wait_notify/1.cc:
3704 Add test case to cover missing atomic_flag free functions.
3706 2023-02-14 Thomas W Rodgers <rodgert@twrodgers.com>
3709 * include/std/atomic (atomic_flag_test): Add.
3710 (atomic_flag_test_explicit): Add.
3711 * testsuite/29_atomics/atomic_flag/test/explicit.cc: Add
3712 test case to cover missing atomic_flag free functions.
3713 * testsuite/29_atomics/atomic_flag/test/implicit.cc:
3716 2023-02-13 Gerald Pfeifer <gerald@pfeifer.com>
3718 * doc/xml/manual/policy_data_structures_biblio.xml: Adjust
3719 "The Component Object Model" reference.
3720 * doc/html/manual/policy_data_structures.html: Regenerate.
3722 2023-02-12 Gerald Pfeifer <gerald@pfeifer.com>
3724 * doc/xml/manual/containers.xml: Tweak a link to N1780
3726 * doc/html/manual/associative.html: Regenerate.
3728 2023-02-12 Gerald Pfeifer <gerald@pfeifer.com>
3730 * doc/xml/manual/ctype.xml: Change www.unix.org to unix.org.
3731 * doc/html/manual/facets.html: Regenerate.
3733 2023-02-11 Gerald Pfeifer <gerald@pfeifer.com>
3735 * doc/xml/manual/policy_data_structures_biblio.xml: Update
3736 link to "Worst-case efficient priority queues".
3737 * doc/html/manual/policy_data_structures.html: Regenerate.
3739 2023-02-06 Arsen Arsenović <arsen@aarsen.me>
3741 * doc/xml/manual/using.xml: Document newly-freestanding
3742 headers and the effect of the -ffreestanding flag.
3743 * doc/xml/manual/status_cxx2023.xml: Document P1642R11 as
3745 * doc/xml/manual/configure.xml: Document that hosted installs
3746 respect __STDC_HOSTED__.
3747 * doc/xml/manual/test.xml: Document how to run tests in
3749 * doc/html/*: Regenerate.
3751 2023-02-06 Jonathan Wakely <jwakely@redhat.com>
3753 * include/bits/ranges_algo.h (__find_last_fn): Rename T to _Tp.
3754 (__find_last_if_fn): Likewise.
3756 2023-02-06 Jonathan Wakely <jwakely@redhat.com>
3758 * include/std/type_traits: Add diagnostic pragmas around
3759 references to deprecated std::aligned_storage and
3760 std::aligned_union traits.
3761 * testsuite/20_util/aligned_storage/requirements/alias_decl.cc:
3762 Add dg-warning for et c++23.
3763 * testsuite/20_util/aligned_storage/requirements/explicit_instantiation.cc:
3765 * testsuite/20_util/aligned_storage/value.cc: Likewise.
3766 * testsuite/20_util/aligned_union/1.cc: Likewise.
3767 * testsuite/20_util/aligned_union/requirements/alias_decl.cc:
3770 2023-02-06 Nathaniel Shead <nathanieloshead@gmail.com>
3772 * doc/doxygen/user.cfg.in (PREDEFINED): Add new macros.
3773 * include/bits/c++config (_GLIBCXX23_DEPRECATED)
3774 (_GLIBCXX23_DEPRECATED_SUGGEST): New macros.
3775 * include/std/type_traits (aligned_storage, aligned_union)
3776 (aligned_storage_t, aligned_union_t): Deprecate for C++23.
3777 * testsuite/20_util/aligned_storage/deprecated-2b.cc: New test.
3778 * testsuite/20_util/aligned_union/deprecated-2b.cc: New test.
3780 2023-02-06 Nathaniel Shead <nathanieloshead@gmail.com>
3782 * doc/doxygen/user.cfg.in (PREDEFINED): Update macros.
3783 * include/bits/c++config (_GLIBCXX20_DEPRECATED): Make
3784 consistent with other 'deprecated' macros.
3785 * include/std/type_traits (is_pod, is_pod_v): Use
3786 _GLIBCXX20_DEPRECATED_SUGGEST instead.
3788 2023-02-06 Arsen Arsenović <arsen@aarsen.me>
3790 * Makefile.am [!_GLIBCXX_HOSTED]: Enable src/ subdirectory.
3791 * Makefile.in: Regenerate.
3792 * src/Makefile.am [!_GLIBCXX_HOSTED]: Omit compatibility files.
3793 There's no history to be compatible with.
3794 * src/c++11/Makefile.am [!_GLIBCXX_HOSTED]: Omit hosted-only
3795 source files from the build.
3796 * src/c++17/Makefile.am [!_GLIBCXX_HOSTED]: Likewise.
3797 * src/c++20/Makefile.am [!_GLIBCXX_HOSTED]: Likewise.
3798 * src/c++98/Makefile.am [!_GLIBCXX_HOSTED]: Likewise.
3799 * src/Makefile.in: Regenerate.
3800 * src/c++11/Makefile.in: Regenerate.
3801 * src/c++17/Makefile.in: Regenerate.
3802 * src/c++20/Makefile.in: Regenerate.
3803 * src/c++98/Makefile.in: Regenerate.
3805 2023-02-06 Jonathan Wakely <jwakely@redhat.com>
3807 * src/Makefile.am [GLIBCXX_HOSTED] (SUBDIRS): Do not add
3808 filesystem, libbacktrace and experimental.
3809 * src/Makefile.in: Regenerate.
3811 2023-02-04 Hans-Peter Nilsson <hp@axis.com>
3814 * include/pstl/unseq_backend_simd.h (__simd_or): Use __INT32_TYPE__
3817 2023-02-04 Gerald Pfeifer <gerald@pfeifer.com>
3819 * doc/xml/manual/documentation_hacking.xml: Adjust link to pdftex.
3820 * doc/html/manual/documentation_hacking.html: Regenerate.
3822 2023-02-04 François Dumont <fdumont@gcc.gnu.org>
3824 * include/bits/basic_string.h (operator=(basic_string&&)): Transfer move-to
3825 storage to the move-from instance when allocators are equal.
3826 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc (test04):
3829 2023-02-03 Samuel Thibault <samuel.thibault@gnu.org>
3831 * config/os/gnu-linux/os_defines.h [!__linux__]
3832 (_GLIBCXX_NATIVE_THREAD_ID, _GLIBCXX_GTHREAD_USE_WEAK): Do not define.
3834 2023-02-03 Patrick Palka <ppalka@redhat.com>
3836 * include/bits/ranges_algo.h (__find_last_fn, find_last):
3838 (__find_last_if_fn, find_last_if): Define.
3839 (__find_last_if_not_fn, find_last_if_not): Define.
3840 * testsuite/25_algorithms/find_last/1.cc: New test.
3841 * testsuite/25_algorithms/find_last_if/1.cc: New test.
3842 * testsuite/25_algorithms/find_last_if_not/1.cc: New test.
3844 2023-02-03 Patrick Palka <ppalka@redhat.com>
3846 * include/bits/ranges_algo.h (out_value_result): Define.
3847 (iota_result): Define.
3848 (__iota_fn, iota): Define.
3849 * testsuite/25_algorithms/iota/1.cc: New test.
3851 2023-02-03 Patrick Palka <ppalka@redhat.com>
3853 * include/bits/ranges_algo.h (__contains_fn, contains): Define.
3854 (__contains_subrange_fn, contains_subrange): Define.
3855 * testsuite/25_algorithms/contains/1.cc: New test.
3856 * testsuite/25_algorithms/contains_subrange/1.cc: New test.
3858 2023-02-02 Gerald Pfeifer <gerald@pfeifer.com>
3860 * doc/xml/manual/abi.xml: Tweak link to ABIcheck project.
3861 * doc/html/manual/abi.html: Regenerate.
3863 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
3865 * src/filesystem/ops-common.h [AVR] (__unsupported): Always use
3866 errc::function_not_supported instead of errc::not_supported.
3868 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
3870 * include/std/sstream (basic_stringbuf::view): Define for old
3872 (basic_istringstream::view, basic_0stringstream::view)
3873 (basic_stringstream::view): Likewise.
3874 * testsuite/27_io/basic_istringstream/view/char/1.cc: Remove
3875 { dg-require-effective-target cxx11_abi }.
3876 * testsuite/27_io/basic_istringstream/view/wchar_t/1.cc:
3878 * testsuite/27_io/basic_ostringstream/view/char/1.cc: Likewise.
3879 * testsuite/27_io/basic_ostringstream/view/wchar_t/1.cc:
3881 * testsuite/27_io/basic_stringbuf/view/char/1.cc: Likewise.
3882 * testsuite/27_io/basic_stringbuf/view/wchar_t/1.cc: Likewise.
3883 * testsuite/27_io/basic_stringstream/view/char/1.cc: Likewise.
3884 * testsuite/27_io/basic_stringstream/view/wchar_t/1.cc:
3887 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
3890 * config/abi/pre/gnu.ver (GLIBCXX_3.4.31): Export shared_ptr
3891 conversion operators for directory iterator comparisons with
3892 std::default_sentinel_t.
3893 * include/bits/fs_path.h (path::path(string_view, _Type))
3894 (path::_Cmpt::_Cmpt(string_view, _Type, size_t)): Move inline
3896 * src/c++17/fs_path.cc: ... here.
3897 * testsuite/27_io/filesystem/path/108636.cc: New test.
3899 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
3901 * include/std/variant (variant::operator=): Implement resolution
3903 * testsuite/20_util/variant/lwg3585.cc: New test.
3905 2023-02-02 Gerald Pfeifer <gerald@pfeifer.com>
3907 * doc/xml/manual/using_exceptions.xml: Update a www.open-std.org
3909 * doc/html/manual/using_exceptions.html: Regenerate.
3911 2023-02-02 Gerald Pfeifer <gerald@pfeifer.com>
3913 * doc/xml/manual/debug.xml: Fix link to online GDB manual.
3914 * doc/html/manual/debug.html: Regenerate.
3916 2023-02-01 Jonathan Wakely <jwakely@redhat.com>
3918 * src/c++11/random.cc (random_device::_M_fini): Do not try to
3919 close the file handle if the target doesn't support the
3920 /dev/random and /dev/urandom files.
3922 2023-02-01 Jonathan Wakely <jwakely@redhat.com>
3924 * config/os/generic/error_constants.h (errc::value_too_large)
3926 * src/c++11/system_error.cc
3927 (system_category::default_error_condition) [__AVR__]: Only match
3928 recognize values equal to EDOM, ERANGE, ENOSYS and EINTR.
3929 * src/c++17/fs_ops.cc (fs::current_path) [__AVR__]: Do not check
3930 for ENOENT etc. in switch.
3931 (fs::remove_all) [__AVR__]: Likewise.
3932 * src/filesystem/ops-common.h [__AVR__]: Do not use POSIX open,
3935 2023-02-01 Jonathan Wakely <jwakely@redhat.com>
3937 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR) [avr-*-*, msp430-*-*]: Set
3939 * configure: Regenerate.
3941 2023-02-01 Hans-Peter Nilsson <hp@axis.com>
3944 * testsuite/std/time/hh_mm_ss/1.cc (size): Add empty
3945 struct at end of S0.
3947 2023-01-30 Gerald Pfeifer <gerald@pfeifer.com>
3949 * doc/xml/manual/shared_ptr.xml: Move links from both
3950 http://open-std.org and http://www.open-std.org to
3951 https://www.open-std.org.
3952 * doc/html/manual/memory.html: Regenerate.
3954 2023-01-28 Gerald Pfeifer <gerald@pfeifer.com>
3956 * doc/xml/manual/appendix_contributing.xml: Adjust link to
3957 ISO C++ standard at ANSI.
3958 Move link to www.open-std.org to https.
3959 * doc/html/manual/appendix_contributing.html: Regenerate.
3961 2023-01-28 Gerald Pfeifer <gerald@pfeifer.com>
3963 * doc/xml/manual/documentation_hacking.xml: Move sourceforge.net
3965 * doc/html/manual/documentation_hacking.html: Regenerate.
3967 2023-01-28 Gerald Pfeifer <gerald@pfeifer.com>
3969 * doc/xml/manual/abi.xml: Update www.open-std.org link to https.
3970 * doc/html/manual/abi.html: Regenerate.
3972 2023-01-27 Jakub Jelinek <jakub@redhat.com>
3975 * testsuite/17_intro/names.cc (__unused): For linux or GNU hurd
3976 include features.h if present and then check __GLIBC__ and
3977 __GLIBC_MINOR__ macros for glibc prior to 2.19, instead of testing
3978 __GLIBC_PREREQ which isn't defined yet.
3980 2023-01-27 Jonathan Wakely <jwakely@redhat.com>
3982 * src/c++20/tzdb.cc (tzdata_stream): Use constant instead of
3985 2023-01-27 Jonathan Wakely <jwakely@redhat.com>
3988 * testsuite/23_containers/map/modifiers/108554.cc: Use dg-bogus.
3990 2023-01-26 Jonathan Wakely <jwakely@redhat.com>
3992 * src/c++20/tzdb.cc (operator>>(istream&, ZoneInfo&)): Allow
3993 rules named "+" for compatibility with older tzdata.zi files.
3995 2023-01-26 Jonathan Wakely <jwakely@redhat.com>
3998 * include/bits/stl_tree.h (_Rb_tree_insert_and_rebalance): Add
4000 (_Rb_tree_rebalance_for_erase): Add nonnull and returns_nonnull
4002 * testsuite/23_containers/map/modifiers/108554.cc: New test.
4004 2023-01-26 Jonathan Wakely <jwakely@redhat.com>
4007 * src/c++20/tzdb.cc (current_zone): Look for TIMEZONE or ZONE in
4008 /etc/sysconfig/clock, not DEFAULT_TIMEZONE.
4010 2023-01-26 Gerald Pfeifer <gerald@pfeifer.com>
4012 * doc/xml/manual/intro.xml: Update links to www.open-std.org to
4014 * doc/html/manual/bugs.html: Regenerate.
4016 2023-01-24 Jonathan Wakely <jwakely@redhat.com>
4019 * src/c++20/tzdb.cc (current_zone): Look for DEFAULT_TIMEZONE in
4020 /etc/sysconfig/clock.
4022 2023-01-24 Jonathan Wakely <jwakely@redhat.com>
4025 * include/bits/ranges_base.h: Include <bits/stl_iterator.h> for
4026 std::make_reverse_iterator.
4027 * include/std/tuple: Include <bits/ranges_util.h> for subrange.
4028 (make_from_tuple): Add static assertion from P2255 to diagnose
4029 dangling references.
4030 * testsuite/20_util/tuple/make_from_tuple/dangling_ref.cc: New test.
4031 * testsuite/20_util/tuple/make_from_tuple/tuple_like.cc: New test.
4033 2023-01-23 François Dumont <fdumont@gcc.gnu.org>
4035 * include/debug/safe_iterator.h (_Safe_iterator<>::_Unchecked): New.
4036 (_Safe_iterator(const _Safe_iterator&, _Unchecked)): New.
4037 (_Safe_iterator::operator++(int)): Use latter.
4038 (_Safe_iterator::operator--(int)): Likewise.
4039 (_Safe_iterator(_Iterator, const _Safe_sequence_base*)): Remove !_M_insular()
4041 * include/debug/safe_local_iterator.h (_Safe_local_iterator<>::_Unchecked):
4043 (_Safe_local_iterator(const _Safe_local_iterator&, _Unchecked)): New.
4044 (_Safe_local_iterator::operator++(int)): Use latter.
4045 * src/c++11/debug.cc (_S_debug_messages): Add as comment the _Debug_msg_id
4046 entry associated to the array entry.
4048 2023-01-18 Jonathan Wakely <jwakely@redhat.com>
4050 * include/bits/fs_path.h (u8path): Add deprecated attribute.
4051 * testsuite/27_io/filesystem/path/construct/90281.cc: Add
4052 -Wno-deprecated-declarations for C++20 and later.
4053 * testsuite/27_io/filesystem/path/factory/u8path-char8_t.cc:
4055 * testsuite/27_io/filesystem/path/factory/u8path.cc: Likewise.
4056 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
4057 * testsuite/27_io/filesystem/path/factory/u8path-depr.cc: New test.
4059 2023-01-18 Jonathan Wakely <jwakely@redhat.com>
4061 * include/bits/random.h (random_device) [!_GLIBCXX_USE_DEV_RANDOM]:
4062 Always call _M_fini and _M_getentropy.
4064 2023-01-18 Gerald Pfeifer <gerald@pfeifer.com>
4066 * doc/xml/manual/policy_data_structures_biblio.xml: Adjust links
4067 to www.open-std.org to use https.
4068 (COM: Component Model Object Technologies): Rename from...
4069 (The Component Object Model): ...to.
4070 * doc/html/manual/policy_data_structures.html: Regenerate.
4072 2023-01-18 Dimitrij Mijoski <dmjpp@hotmail.com>
4074 * testsuite/22_locale/codecvt/codecvt_unicode.cc: Simplify.
4075 * testsuite/22_locale/codecvt/codecvt_unicode.h: Simplify.
4076 * testsuite/22_locale/codecvt/codecvt_unicode_wchar_t.cc: Simplify.
4078 2023-01-17 Jonathan Wakely <jwakely@redhat.com>
4080 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Check $target_os instead
4081 of $host. Fix check for file being present during native build.
4082 * configure: Regenerate.
4084 2023-01-17 Martin Liska <mliska@suse.cz>
4086 * src/libbacktrace/Makefile.in: Regenerate.
4088 2023-01-16 Jonathan Wakely <jwakely@redhat.com>
4090 * src/c++20/tzdb.cc (_GLIBCXX_USE_CXX11_ABI): Define to 1.
4092 2023-01-16 Jonathan Wakely <jwakely@redhat.com>
4095 * include/c_compatibility/stdatomic.h: Change copyright line to
4096 be consistent with other headers contributed under DCO terms.
4097 * include/std/expected: Add full stop to copyright line.
4098 * src/c++20/tzdb.cc: Likewise.
4100 2023-01-15 Gerald Pfeifer <gerald@pfeifer.com>
4102 * doc/xml/manual/status_cxx2014.xml: Switch www.open-std.org to
4104 * doc/xml/manual/status_cxx2017.xml: Ditto.
4105 * doc/xml/manual/status_cxx2020.xml: Ditto.
4106 * doc/xml/manual/status_cxx2023.xml: Ditto.
4107 * doc/html/manual/status.html: Regenerate.
4109 2023-01-15 Jonathan Wakely <jwakely@redhat.com>
4111 * testsuite/std/time/tzdb_list/1.cc: Remove dg-xfail-run-if
4112 and fail gracefully if defining the weak symbol doesn't work.
4114 2023-01-15 François Dumont <fdumont@gcc.gnu.org>
4117 * include/debug/safe_iterator.h (_Safe_iterator<>::operator++(int)): Extend deadlock
4118 fix to other iterator category.
4119 (_Safe_iterator<>::operator--(int)): Likewise.
4120 * include/debug/safe_local_iterator.h (_Safe_local_iterator<>::operator++(int)):
4122 * testsuite/util/debug/unordered_checks.h (invalid_local_iterator_pre_increment): New.
4123 (invalid_local_iterator_post_increment): New.
4124 * testsuite/23_containers/unordered_map/debug/invalid_local_iterator_post_increment_neg.cc:
4126 * testsuite/23_containers/unordered_map/debug/invalid_local_iterator_pre_increment_neg.cc:
4129 2023-01-15 Jonathan Wakely <jwakely@redhat.com>
4131 * testsuite/30_threads/jthread/jthread.cc: Remove -pthread from
4134 2023-01-15 Jonathan Wakely <jwakely@redhat.com>
4136 * testsuite/std/time/clock/utc/io.cc: Use ctype to widen char.
4138 2023-01-14 Björn Schäpers <bjoern@hazardy.de>
4140 * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Add check for
4141 windows.h. Add pecoff as FORMAT_FILE.
4142 * config.h.in: Regenerate.
4143 * configure: Regenerate.
4144 * src/libbacktrace/Makefile.am: Regenerate.
4145 * src/libbacktrace/Makefile.in: Add pecoff.c as FORMAT_FILE.
4147 2023-01-14 Björn Schäpers <bjoern@hazardy.de>
4149 * include/std/stacktrace (stacktrace_entry::_S_demangle): Use
4150 raw __name if __cxa_demangle could not demangle it.
4152 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
4155 * src/c++20/tzdb.cc (current_zone()) [_AIX]: Use TZ environment
4158 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
4160 * src/c++20/tzdb.cc (TZDB_DISABLED): Disable all code for
4162 * testsuite/std/time/tzdb/leap_seconds.cc: Require tzdb
4164 * testsuite/std/time/tzdb_list/1.cc: Likewise.
4166 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
4168 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Replace the
4169 --with-libstdcxx-zoneinfo-dir configure option with
4170 --with-libstdcxx-zoneinfo with yes/no/static choices as well as
4172 * config.h.in: Regenerate.
4173 * configure: Regenerate.
4174 * doc/xml/manual/configure.xml: Document configure option.
4175 * doc/html/manual/configure.html: Regenerate.
4176 * src/c++20/Makefile.am: Generate tzdata.zi.h header.
4177 * src/c++20/Makefile.in: Regenerate.
4178 * src/c++20/tzdb.cc (__gnu_cxx::zoneinfo_dir_override): Return a
4179 null pointer if no directory is configured.
4180 (zoneinfo_dir): Replace with ...
4181 (zoneinfo_file): New function.
4182 (tzdata_stream): New istream class.
4183 (remote_version, reload_tzdb): Use tzdata_stream.
4184 * testsuite/lib/libstdc++.exp (check_effective_target_tzdb):
4185 Check new _GLIBCXX_STATIC_TZDATA macro and ignore presence of
4186 tzdata.zi file in default location.
4187 * src/c++20/tzdata.zi: New file.
4189 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
4191 * include/bits/chrono_io.h (operator<<): Fix syntax errors.
4192 * testsuite/std/time/month_day/io.cc: New test.
4193 * testsuite/std/time/month_day_last/io.cc: New test.
4194 * testsuite/std/time/month_weekday/io.cc: New test.
4195 * testsuite/std/time/month_weekday_last/io.cc: New test.
4196 * testsuite/std/time/weekday_indexed/io.cc: New test.
4197 * testsuite/std/time/weekday_last/io.cc: New test.
4198 * testsuite/std/time/year_month/io.cc: New test.
4199 * testsuite/std/time/year_month_day_last/io.cc: New test.
4200 * testsuite/std/time/year_month_weekday/io.cc: New test.
4201 * testsuite/std/time/year_month_weekday_last/io.cc: New test.
4203 2023-01-14 François Dumont <fdumont@gcc.gnu.org>
4205 * include/std/format [_GLIBCXX_INLINE_VERSION](to_chars): Adapt __asm symbol
4207 * config/abi/pre/gnu-versioned-namespace.ver: Add to_chars/from_chars symbols
4210 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
4212 * include/bits/std_mutex.h: Include <errno.h>.
4214 2023-01-13 Arsen Arsenović <arsen@aarsen.me>
4216 * testsuite/20_util/to_chars/version.cc: Mark hosted-only.
4217 * testsuite/20_util/uses_allocator/lwg3677.cc: Ditto.
4218 * testsuite/20_util/weak_ptr/cons/self_move.cc: Ditto.
4219 * testsuite/std/ranges/adaptors/as_rvalue/1.cc: Replace usage of
4220 std::make_unique with a freestanding-compatible wrapper around
4222 * testsuite/21_strings/basic_string_view/operations/contains/char.cc:
4223 Don't test for presence of __cpp_lib_string_contains on !HOSTED.
4224 * testsuite/21_strings/basic_string_view/operations/contains/char/2.cc:
4226 * testsuite/std/ranges/version_c++23.cc: Don't test for presence
4227 of __cpp_lib_ranges in !HOSTED.
4229 2023-01-13 Arsen Arsenović <arsen@aarsen.me>
4231 * include/Makefile.am: Install bits/char_traits.h,
4233 * include/Makefile.in: Regenerate.
4234 * include/bits/char_traits.h: Gate hosted-only, wchar-only and
4235 mbstate-only bits behind appropriate #ifs.
4236 * include/std/string_view: Gate <iostream> functionality behind
4238 * include/std/version: Enable __cpp_lib_constexpr_string_view
4239 and __cpp_lib_starts_ends_with in !HOSTED.
4240 * include/std/ranges: Re-enable __is_basic_string_view on
4241 freestanding, include <string_view> directly.
4242 * include/precompiled/stdc++.h: Include <string_view> when
4244 * testsuite/20_util/function_objects/searchers.cc: Skip testing
4245 boyer_moore searchers on freestanding
4246 * testsuite/21_strings/basic_string_view/capacity/1.cc: Guard
4247 <string>-related tests behind __STDC_HOSTED__.
4248 * testsuite/21_strings/basic_string_view/cons/char/1.cc: Ditto.
4249 * testsuite/21_strings/basic_string_view/cons/char/2.cc: Remove
4250 unused <stdexcept> include.
4251 * testsuite/21_strings/basic_string_view/cons/char/3.cc: Remove
4252 unused <vector> include.
4253 * testsuite/21_strings/basic_string_view/cons/char/range.cc:
4254 Guard <string> related testing behind __STDC_HOSTED__.
4255 * testsuite/21_strings/basic_string_view/cons/wchar_t/1.cc:
4256 Guard <stdexcept> related tests behind __STDC_HOSTED__.
4257 * testsuite/21_strings/basic_string_view/element_access/char/1.cc:
4259 * testsuite/21_strings/basic_string_view/element_access/wchar_t/1.cc:
4260 Guard <stdexcept> tests behind __STDC_HOSTED__.
4261 * testsuite/21_strings/basic_string_view/operations/contains/char/2.cc:
4262 Enable test on freestanding, guard <stdexcept> bits behind
4264 * testsuite/21_strings/basic_string_view/operations/substr/char.cc:
4265 Guard <stdexcept> bits behind __STDC_HOSTED__.
4266 * testsuite/21_strings/basic_string_view/operations/substr/wchar_t.cc:
4269 2023-01-13 Dimitrij Mijoski <dmjpp@hotmail.com>
4272 * src/c++11/codecvt.cc (read_utf8_code_point): Correctly detect
4273 errors in incomplete multibyte sequences.
4274 (utf16_in): Remove surrogates parameter. Fix conditions for
4276 (utf16_out): Fix condition for returning partial.
4277 (ucs2_in): Do not pass surrogates argument to utf16_in.
4278 * testsuite/22_locale/codecvt/codecvt_unicode.cc: New test.
4279 * testsuite/22_locale/codecvt/codecvt_unicode.h: New header for
4281 * testsuite/22_locale/codecvt/codecvt_unicode_wchar_t.cc: New
4284 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
4287 * config/io/c_io_stdio.h (__c_lock): Define as a typedef for
4288 __GTHREAD_LEGACY_MUTEX_T if defined.
4290 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
4293 * config/os/gnu-linux/ldbl-extra.ver (GLIBCXX_LDBL_3.4.31):
4294 Export __try_use_facet specializations for facets in namespace
4296 * config/os/gnu-linux/ldbl-ieee128-extra.ver
4297 (GLIBCXX_IEEE128_3.4.31): Likewise for facets in namespace
4299 * testsuite/util/testsuite_abi.cc: Add to lists of known and
4302 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
4304 * include/bits/std_mutex.h: Remove <system_error> include.
4305 * include/std/condition_variable: Add <bits/error_constants.h>
4307 * include/std/mutex: Likewise.
4308 * include/std/shared_mutex: Likewise.
4310 2023-01-12 Jonathan Wakely <jwakely@redhat.com>
4313 * include/experimental/memory_resource
4314 (_GLIBCXX_MAX_ALIGN_MATCHES_MALLOC): Define.
4315 (do_allocate, do_deallocate): Check it.
4316 * testsuite/experimental/memory_resource/new_delete_resource.cc:
4317 Relax expected behaviour for 64-bit hppa-hp-hpux11.11.
4319 2023-01-12 Jonathan Wakely <jwakely@redhat.com>
4321 * doc/xml/manual/abi.xml: Add latest library versions.
4322 * doc/html/manual/abi.html: Regenerate.
4324 2023-01-12 François Dumont <fdumont@gcc.gnu.org>
4327 * include/bits/stl_tree.h (_Rb_tree<>::_M_insert_range_equal): Remove
4328 unused _Alloc_node instance.
4330 2023-01-12 Jonathan Wakely <jwakely@redhat.com>
4332 * include/bits/atomic_wait.h (__detail::__platform_wait_t):
4333 Define as unsigned long if always lock-free, and unsigned int
4336 2023-01-10 Jonathan Wakely <jwakely@redhat.com>
4338 * src/c++20/tzdb.cc (tzdb_list::_S_init_tzdb): Use __try and
4339 __catch macros for exception handling.
4341 2023-01-10 Jonathan Wakely <jwakely@redhat.com>
4344 * include/bits/stl_algobase.h (__lg): Replace six overloads with
4345 a single function template for all integer types.
4346 * include/bits/stl_algo.h (__merge_adaptive_resize): Cast
4347 arithmetic results back to _Distance.
4349 2023-01-10 Jonathan Wakely <jwakely@redhat.com>
4352 * include/std/span (span::span()): Un-simplify constraint to
4353 work for size_t of lesser rank than int.
4355 2023-01-07 LIU Hao <lh_mouse@126.com>
4357 PR middle-end/108300
4358 * src/c++11/system_error.cc: Define `WIN32_LEAN_AND_MEAN` before
4360 * src/c++11/thread.cc: Likewise.
4361 * src/c++17/fs_ops.cc: Likewise.
4362 * src/filesystem/ops.cc: Likewise.
4364 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4367 * src/c++20/tzdb.cc (zoneinfo_dir): Add diagnostic pragma.
4369 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4372 * src/c++20/tzdb.cc (time_zone::_Impl::RulesCounter): New class
4373 template and partial specialization for synchronizing access to
4374 time_zone::_Impl::infos.
4375 (time_zone::_M_get_sys_info, reload_tzdb): Adjust uses of
4378 2023-01-06 Patrick Palka <ppalka@redhat.com>
4381 * include/bits/utility.h (__cpp_lib_ranges_zip): Define for C++23.
4382 * include/std/ranges (__cpp_lib_ranges_zip): Likewise.
4383 (__cpp_lib_ranges_chunk): Likewise.
4384 (__cpp_lib_ranges_slide): Likewise.
4385 (__cpp_lib_ranges_chunk_by): Likewise.
4386 (__cpp_lib_ranges_join_with): Likewise.
4387 (__cpp_lib_ranges_repeat): Likewise.
4388 (__cpp_lib_ranges_stride): Likewise.
4389 (__cpp_lib_ranges_cartesian_product): Likewise.
4390 (__cpp_lib_ranges_as_rvalue): Likewise.
4391 * include/std/version: Ditto.
4392 * testsuite/20_util/tuple/p2321r2.cc: Verify value of
4394 * testsuite/std/ranges/adaptors/as_rvalue/1.cc: Likewise.
4395 * testsuite/std/ranges/adaptors/chunk/1.cc: Likewise.
4396 * testsuite/std/ranges/adaptors/chunk_by/1.cc: Likewise.
4397 * testsuite/std/ranges/adaptors/join_with/1.cc: Likewise.
4398 * testsuite/std/ranges/adaptors/slide/1.cc: Likewise.
4399 * testsuite/std/ranges/adaptors/stride/1.cc: Likewise.
4400 * testsuite/std/ranges/cartesian_product/1.cc: Likewise.
4401 * testsuite/std/ranges/repeat/1.cc: Likewise.
4402 * testsuite/std/ranges/zip/1.cc: Likewise.
4403 * testsuite/std/ranges/version_c++23.cc: New test.
4405 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4408 * include/std/bitset (operator>>): Use alloca in the right
4409 scope, not in a constructor.
4410 * testsuite/20_util/bitset/io/input.cc: Check case from PR.
4412 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4415 * include/std/format (basic_format_arg) [!__cpp_lib_to_chars]:
4416 Disable visiting floating-point types.
4418 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4421 * include/debug/safe_iterator.h (_Safe_iterator::operator++(int))
4422 (_Safe_iterator::operator--(int)): Do not hold lock around
4423 construction of return value.
4425 2023-01-05 John David Anglin <danglin@gcc.gnu.org>
4427 * config/cpu/hppa/atomicity.h (_PA_LDCW_INSN): Define.
4428 (__exchange_and_add): Use _PA_LDCW_INSN. Use ordered store for
4429 lock release. Revise loop.
4430 (__atomic_add): Likewise.
4432 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4435 * python/libstdcxx/v6/printers.py (_utc_timezone): New global
4437 (StdChronoTimePointPrinter::to_string): Use it.
4439 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4442 * include/std/functional (_Bind_front): Add no_unique_address
4443 attribute to data members.
4444 * testsuite/20_util/function_objects/bind_front/107784.cc: Check
4445 size of call wrappers with empty types for targets and bound
4448 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4451 * src/c++20/tzdb.cc (chrono::current_zone()): Check for zone
4452 using only last component of the name.
4454 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4458 * config/abi/pre/gnu.ver: Move zoneinfo_dir_override export to
4459 the latest symbol version.
4460 * src/c++20/tzdb.cc (USE_ATOMIC_SHARED_PTR): Define to 0 if
4461 atomic<_Node*> is not always lock free.
4462 (USE_ATOMIC_LIST_HEAD): New macro.
4463 [__hpux__] (__gnu_cxx::zoneinfo_dir_override()): Provide
4464 definition of weak symbol.
4465 (tzdb_list::_Node::_S_head): Rename to _S_head_cache.
4466 (tzdb_list::_Node::_S_list_head): New function for accessing
4467 list head efficiently.
4468 (tzdb_list::_Node::_S_cache_list_head): New function for
4469 updating _S_list_head.
4471 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4474 * include/std/chrono (hh_mm_ss): Do not use chrono::abs if
4475 duration rep is unsigned.
4476 * testsuite/std/time/hh_mm_ss/1.cc: Check unsigned rep.
4478 2023-01-04 Iain Sandoe <iain@sandoe.co.uk>
4481 * config/abi/pre/gnu.ver (GLIBCXX_3.4):
4482 Add __gnu_cxx::zoneinfo_dir_override().
4484 2023-01-04 Jonathan Wakely <jwakely@redhat.com>
4487 * include/std/array (__array_traits<T, 0>::operator T*()): Add
4489 * testsuite/23_containers/array/element_access/constexpr_c++17.cc: Check
4490 std::array<T, 0>::data().
4493 Copyright (C) 2023 Free Software Foundation, Inc.
4495 Copying and distribution of this file, with or without modification,
4496 are permitted in any medium without royalty provided the copyright
4497 notice and this notice are preserved.