1 2023-08-18 Jonathan Wakely <jwakely@redhat.com>
4 * include/std/format (formatter): Only define specializations
5 for 16-bit floating-point types for C++23.
6 * include/std/limits (numeric_limits): Likewise.
8 2023-08-18 Jonathan Wakely <jwakely@redhat.com>
10 * include/bits/chrono_io.h (operator<<): Make uses of wide
11 strings with streams and std::format type-dependent on _CharT.
12 * include/std/format [!_GLIBCXX_USE_WCHAR_T] Do not use
15 2023-08-18 Jonathan Wakely <jwakely@redhat.com>
17 * include/bits/chrono_io.h (operator<<): Use __format_context.
18 * include/std/format (__format::__format_context): New alias
20 [!_GLIBCXX_USE_WCHAR_T] (wformat_args, make_wformat_arg):
23 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
26 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
28 * config/locale/generic/c_locale.cc (__convert_to_v): Reuse
29 double overload for long double if possible.
31 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
33 * src/c++20/tzdb.cc (tzdata_file, leaps_file): Change type to
36 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
38 * config/locale/generic/c_locale.cc (__convert_to_v): Reuse
39 double overload for long double if possible.
41 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
43 * src/c++98/localename.cc (is_C_locale): New function.
44 (locale::locale(const char*)): Use is_C_locale.
46 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
49 * include/bits/basic_string.h (basic_string::assign(Iter, Iter)):
50 Dispatch to _M_replace or move assignment from a temporary,
51 based on the iterator type.
53 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
55 * include/std/format (formatter): Add partial specializations
56 for extended floating-point types.
57 * testsuite/std/format/functions/format.cc: Move test_float128()
59 * testsuite/std/format/formatter/ext_float.cc: New test.
61 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
63 * include/bits/c++config (__gnu_cxx::__bfloat16_t): Define
64 whenever __BFLT16_DIG__ is defined, not only for C++23.
65 * include/std/limits (numeric_limits<bfloat16_t>): Likewise.
66 (numeric_limits<_Float16>, numeric_limits<_Float32>)
67 (numeric_limits<_Float64>): Likewise for other extended
70 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
72 * include/experimental/internet (address_v4::to_string): Remove
73 unused parameter name.
75 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
77 * libsupc++/compare (__cmp_cat::__unseq): Make ctor consteval.
78 * testsuite/18_support/comparisons/categories/zero_neg.cc: Prune
79 excess errors caused by invalid consteval calls.
81 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
83 * include/bits/chrono_io.h (__units_suffix_misc): Remove.
84 (__units_suffix): Return a known suffix as string view, do not
85 write unknown suffixes to a buffer.
86 (__fmt_units_suffix): New function that formats the suffix using
88 (operator<<, __chrono_formatter::_M_q): Use __fmt_units_suffix.
89 (__chrono_formatter::_M_Z): Correct lifetime of wstring.
91 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
93 * include/std/format [_GLIBCXX_USE_WCHAR_T]: Guard all wide
94 string formatters with this macro.
95 (__formatter_int::_M_format_int, __formatter_fp::format)
96 (formatter<const void*, C>::format): Use __to_wstring_numeric
97 instead of std::ctype::widen.
98 (__formatter_fp::_M_localize): Use hardcoded wchar_t values
99 instead of std::ctype::widen.
100 * testsuite/std/format/functions/format.cc: Add more checks for
101 wstring formatting of arithmetic types.
103 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
105 * include/bits/basic_string.h (to_string(floating-point-type)):
106 Implement using std::to_chars for C++26.
107 * include/bits/version.def (__cpp_lib_to_string): Define.
108 * include/bits/version.h: Regenerate.
109 * testsuite/21_strings/basic_string/numeric_conversions/char/dr1261.cc:
110 Adjust expected result in C++26 mode.
111 * testsuite/21_strings/basic_string/numeric_conversions/char/to_string.cc:
113 * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/dr1261.cc:
115 * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/to_wstring.cc:
117 * testsuite/21_strings/basic_string/numeric_conversions/char/to_string_float.cc:
119 * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/to_wstring_float.cc:
121 * testsuite/21_strings/basic_string/numeric_conversions/version.cc:
124 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
126 * include/bits/basic_string.h (to_string(integral-type)): Use
127 resize_and_overwrite when available.
128 (__to_wstring_numeric): New helper functions.
129 (to_wstring): Use std::to_string then __to_wstring_numeric.
130 * testsuite/21_strings/basic_string/numeric_conversions/char/to_string_int.cc:
131 Remove check for no excess capacity.
133 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
135 * include/bits/basic_string.h (__resize_and_overwrite): New
137 * include/bits/basic_string.tcc (__resize_and_overwrite): New
139 (resize_and_overwrite): Simplify by using reserve instead of
140 growing the string manually. Adjust for C++11 compatibility.
141 * include/bits/cow_string.h (resize_and_overwrite): New
143 (__resize_and_overwrite): New function.
144 * include/bits/version.def (__cpp_lib_string_resize_and_overwrite):
145 Do not depend on cxx11abi.
146 * include/bits/version.h: Regenerate.
147 * include/std/format (__formatter_fp::_S_resize_and_overwrite):
149 (__formatter_fp::format, __formatter_fp::_M_localize): Use
150 __resize_and_overwrite instead of _S_resize_and_overwrite.
151 * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
152 Adjust for C++11 compatibility when included by ...
153 * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite_ext.cc:
156 2023-08-17 Patrick Palka <ppalka@redhat.com>
158 * include/bits/regex.h (regex_iterator::iterator_concept):
159 Define for C++20 as per P2770R0.
160 (regex_token_iterator::iterator_concept): Likewise.
161 * include/std/ranges (__detail::__as_lvalue): Define.
162 (join_view::_Iterator): Befriend join_view.
163 (join_view::_Iterator::_M_satisfy): Use _M_get_outer
165 (join_view::_Iterator::_M_get_outer): Define.
166 (join_view::_Iterator::_Iterator): Split constructor taking
167 _Parent argument into two as per P2770R0. Remove constraint on
169 (join_view::_Iterator::_M_outer): Make this data member present
170 only when the underlying range is forward.
171 (join_view::_Iterator::operator++): Use _M_get_outer instead of
173 (join_view::_Iterator::operator--): Use __as_lvalue helper.
174 (join_view::_Iterator::operator==): Adjust constraints as per
176 (join_view::_Sentinel::__equal): Use _M_get_outer instead of
178 (join_view::_M_outer): New data member when the underlying range
180 (join_view::begin): Adjust definition as per P2770R0.
181 (join_view::end): Likewise.
182 (join_with_view::_M_outer_it): New data member when the
183 underlying range is non-forward.
184 (join_with_view::begin): Adjust definition as per P2770R0.
185 (join_with_view::end): Likewise.
186 (join_with_view::_Iterator::_M_outer_it): Make this data member
187 present only when the underlying range is forward.
188 (join_with_view::_Iterator::_M_get_outer): Define.
189 (join_with_view::_Iterator::_Iterator): Split constructor
190 taking _Parent argument into two as per P2770R0. Remove
191 constraint on default constructor.
192 (join_with_view::_Iterator::_M_update_inner): Adjust definition
194 (join_with_view::_Iterator::_M_get_inner): Likewise.
195 (join_with_view::_Iterator::_M_satisfy): Adjust calls to
196 _M_get_inner. Use _M_get_outer instead of _M_outer_it.
197 (join_with_view::_Iterator::operator==): Adjust constraints
199 (join_with_view::_Sentinel::operator==): Use _M_get_outer
200 instead of _M_outer_it.
201 * testsuite/std/ranges/adaptors/p2770r0.cc: New test.
203 2023-08-17 Patrick Palka <ppalka@redhat.com>
206 * include/std/ranges (__adaptor::_RangeAdaptorClosure):
207 Convert into a CRTP class template. Move hidden operator|
208 friends into namespace scope and adjust their constraints.
209 (__closure::__is_range_adaptor_closure_fn): Define.
210 (__closure::__is_range_adaptor_closure): Define.
211 (__adaptor::_Partial): Adjust use of _RangeAdaptorClosure.
212 (__adaptor::_Pipe): Likewise.
213 (views::_All): Likewise.
214 (views::_Join): Likewise.
215 (views::_Common): Likewise.
216 (views::_Reverse): Likewise.
217 (views::_Elements): Likewise.
218 (views::_Adjacent): Likewise.
219 (views::_AsRvalue): Likewise.
220 (views::_Enumerate): Likewise.
221 (views::_AsConst): Likewise.
222 * testsuite/std/ranges/adaptors/all.cc: Reinstate assertion
223 expecting that adding empty range adaptor closure objects to a
224 pipeline doesn't increase the size of a pipeline.
226 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
228 * include/std/format (__format::_Pres_type): Add _Pres_F.
229 (__formatter_fp::parse): Use _Pres_F for 'F'.
230 (__formatter_fp::format): Set __upper for _Pres_F.
231 * testsuite/std/format/functions/format.cc: Check formatting of
232 infinity and NaN for each presentation type.
234 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
236 * include/Makefile.in: Regenerate.
238 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
240 * testsuite/24_iterators/move_iterator/p2520r0.cc: Add no_pch.
241 * testsuite/std/format/functions/format.cc: Likewise.
242 * testsuite/std/format/functions/format_c++23.cc: Likewise.
244 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
246 * testsuite/lib/dg-options.exp (add_options_for_no_pch): Remove
247 any "-include bits/stdc++.h" from options and add the macro to
248 the existing options instead of replacing them.
250 2023-08-16 Jonathan Wakely <jwakely@redhat.com>
252 * include/bits/basic_string.tcc (resize_and_overwrite): Invoke
253 the callable with the same size as resize_and_overwrite was
255 * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
256 Check with small values for the new size.
257 * testsuite/std/format/functions/format.cc: Check wide
258 formatting of double values that produce small strings.
259 * testsuite/std/format/functions/format_c++23.cc: New test.
261 2023-08-16 Jonathan Wakely <jwakely@redhat.com>
263 * include/bits/version.def (stds): Update value for C++23.
264 * include/bits/version.h: Regenerate.
266 2023-08-16 Jonathan Wakely <jwakely@redhat.com>
268 * testsuite/25_algorithms/pstl/alg_sorting/set_difference.cc:
269 Fix name of upstream file this was derived from.
270 * testsuite/25_algorithms/pstl/alg_sorting/set_intersection.cc:
272 * testsuite/25_algorithms/pstl/alg_sorting/set_symmetric_difference.cc:
274 * testsuite/25_algorithms/pstl/alg_sorting/set_union.cc:
276 * testsuite/25_algorithms/pstl/alg_sorting/set_util.h: Likewise.
278 2023-08-16 Arsen Arsenović <arsen@aarsen.me>
280 * libsupc++/typeinfo: Switch to bits/version.h for
281 __cpp_lib_constexpr_typeinfo.
282 * libsupc++/new: Switch to bits/version.h for
283 __cpp_lib_{launder,hardware_interference_size,destroying_delete}.
284 (launder): Guard behind __cpp_lib_launder.
285 (hardware_destructive_interference_size)
286 (hardware_constructive_interference_size): Guard behind
287 __cpp_lib_hardware_interference_size.
288 * libsupc++/exception: Switch to bits/version.h for
289 __cpp_lib_uncaught_exceptions.
290 (uncaught_exceptions): Guard behind __cpp_lib_uncaught_exceptions.
291 * libsupc++/compare: Switch to bits/version.h for
292 __cpp_lib_three_way_comparison.
293 (three_way_comparable, three_way_comparable_with)
294 (compare_three_way, weak_order, strong_order, partial_order):
295 Guard behind __cpp_lib_three_way_comparison >= 201907L.
296 * include/std/chrono: Drop __cpp_lib_chrono definition.
297 * include/std/vector: Switch to bits/version.h for
299 (erase, erase_if): Guard behind __cpp_lib_erase_if.
300 * include/std/variant: Switch to bits/version.h for
301 __cpp_lib_variant. Guard whole header behind that FTM.
302 * include/std/utility: Switch to bits/version.h for
303 __cpp_lib_{exchange_function,constexpr_algorithms,as_const},
304 __cpp_lib_{integer_comparison_functions,to_underlying}, and
305 __cpp_lib_unreachable.
306 (exchange): Guard behind __cpp_lib_exchange_function.
307 (cmp_equal, cmp_not_equal, cmp_less, cmp_greater, cmp_less_equal)
308 (cmp_greater_equal, in_range): Guard behind
309 __cpp_lib_integer_comparison_functions.
310 (to_underlying): Guard behind __cpp_lib_to_underlying.
311 (unreachable): Guard behind __cpp_lib_unreachable.
312 * include/std/type_traits: Switch to bits/version.h for
313 __cpp_lib_is_{null_pointer,final,nothrow_convertible,aggregate},
314 __cpp_lib_is_{constant_evaluated,invocable,layout_compatible},
315 __cpp_lib_is_{pointer_interconvertible,scoped_enum,swappable},
316 __cpp_lib_{logical_traits,reference_from_temporary,remove_cvref},
317 __cpp_lib_{result_of_sfinae,transformation_trait_aliases},
318 __cpp_lib_{type_identity,type_trait_variable_templates},
319 __cpp_lib_{unwrap_ref,void_t,integral_constant_callable},
320 __cpp_lib_{bool_constant,bounded_array_traits}, and
321 __cpp_lib_has_unique_object_representations.
322 (integral_constant::operator()): Guard behind
323 __cpp_lib_integral_constant_callable.
324 (bool_constant): Guard behind __cpp_lib_bool_constant.
325 (conjunction, disjunction, negation, conjunction_v, disjunction_v)
326 (negation_v): Guard behind __cpp_lib_logical_traits.
327 (is_null_pointer): Guard behind __cpp_lib_is_null_pointer.
328 (is_final): Guard behind __cpp_lib_is_final.
329 (is_nothrow_convertible, is_nothrow_convertible_v): Guard behind
330 __cpp_lib_is_nothrow_convertible.
331 (remove_const_t, remove_volatile_t, remove_cv_t)
332 (add_const_t, add_volatile_t, add_cv_t): Guard behind
333 __cpp_lib_transformation_trait_aliases.
334 (void_t): Guard behind __cpp_lib_void_t.
335 (is_swappable_with_v, is_nothrow_swappable_with_v)
336 (is_swappable_with, is_nothrow_swappable_with): Guard behind
337 __cpp_lib_is_swappable.
338 (is_nothrow_invocable_r, is_invocable_r, invoke_result)
339 (is_invocable, invoke_result_t): Guard behind
340 __cpp_lib_is_invocable.
341 (alignment_of_v, extent_v, has_virtual_destructor_v)
342 (is_abstract_v, is_arithmetic_v, is_array_v)
343 (is_assignable_v, is_base_of_v, is_class_v, is_compound_v)
344 (is_constructible_v, is_const_v, is_convertible_v)
345 (is_copy_assignable_v, is_copy_constructible_v)
346 (is_default_constructible_v, is_destructible_v)
347 (is_empty_v, is_enum_v, is_final_v, is_floating_point_v)
348 (is_function_v, is_fundamental_v, is_integral_v)
349 (is_invocable_r_v, is_invocable_v, is_literal_type_v)
350 (is_lvalue_reference_v, is_member_function_pointer_v)
351 (is_member_object_pointer_v, is_member_pointer_v)
352 (is_move_assignable_v, is_move_constructible_v)
353 (is_nothrow_assignable_v, is_nothrow_constructible_v)
354 (is_nothrow_copy_assignable_v, is_nothrow_copy_constructible_v)
355 (is_nothrow_default_constructible_v, is_nothrow_destructible_v)
356 (is_nothrow_invocable_r_v, is_nothrow_invocable_v)
357 (is_nothrow_move_assignable_v, is_nothrow_move_constructible_v)
358 (is_null_pointer_v, is_object_v, is_pod_v, is_pointer_v)
359 (is_polymorphic_v, is_reference_v, is_rvalue_reference_v)
360 (is_same_v, is_scalar_v, is_signed_v, is_standard_layout_v)
361 (is_trivially_assignable_v, is_trivially_constructible_v)
362 (is_trivially_copyable_v, is_trivially_copy_assignable_v)
363 (is_trivially_copy_constructible_v)
364 (is_trivially_default_constructible_v)
365 (is_trivially_destructible_v, is_trivially_move_assignable_v)
366 (is_trivially_move_constructible_v, is_trivial_v, is_union_v)
367 (is_unsigned_v, is_void_v, is_volatile_v, rank_v, as variadic):
368 Guard behind __cpp_lib_type_trait_variable_templates.
369 (has_unique_object_representations)
370 (has_unique_object_representations_v): Guard behind
371 __cpp_lib_has_unique_object_representation.
372 (is_aggregate): Guard behind __cpp_lib_is_aggregate.
373 (remove_cvref, remove_cvref_t): Guard behind
374 __cpp_lib_remove_cvref.
375 (type_identity, type_identity_t): Guard behind
376 __cpp_lib_type_identity.
377 (unwrap_reference, unwrap_reference_t, unwrap_ref_decay)
378 (unwrap_ref_decay_t): Guard behind __cpp_lib_unwrap_ref.
379 (is_bounded_array_v, is_unbounded_array_v, is_bounded_array)
380 (is_unbounded_array): Guard behind __cpp_lib_bounded_array_traits.
381 (is_scoped_enum, is_scoped_enum_v): Guard behind
382 __cpp_lib_is_scoped_enum.
383 (reference_constructs_from_temporary)
384 (reference_constructs_from_temporary_v): Guard behind
385 __cpp_lib_reference_from_temporary.
386 * include/std/tuple: Switch to bits/version.h for
387 __cpp_lib_{constexpr_tuple,tuple_by_type,apply_make_from_tuple}.
388 (get<T>): Guard behind __cpp_lib_tuple_by_type.
389 (apply): Guard behind __cpp_lib_apply.
390 (make_from_tuple): Guard behind __cpp_lib_make_from_tuple.
391 * include/std/syncstream: Switch to bits/version.h for
392 __cpp_lib_syncbuf. Guard header behind that FTM.
393 * include/std/string_view: Switch to bits/version.h for
394 __cpp_lib_{string_{view,contains},constexpr_string_view} and
395 __cpp_lib_starts_ends_with.
396 (basic_string_view::starts_with, basic_string_view::ends_with):
397 Guard behind __cpp_lib_starts_ends_with.
398 [C++23 && _GLIBCXX_HOSTED && !defined(__cpp_lib_string_contains)]:
399 Assert as impossible ithout a bug in C++23.
400 * include/std/string: Switch to bits/version.h for
402 (erase, erase_if): Guard behind __cpp_lib_erase_if.
403 * include/std/thread: Switch to bits/version.h for
405 * include/std/stop_token: Switch to bits/version.h for
407 * include/std/spanstream: Switch to bits/version.h for
408 __cpp_lib_spanstream. Guard header behind that FTM.
409 * include/std/span: Switch to bits/version.h for __cpp_lib_span.
410 Guard header behind that FTM.
411 * include/std/source_location: Switch to bits/version.h for
412 __cpp_lib_source_location. Guard header with that FTM.
413 * include/std/shared_mutex: Switch to bits/version.h for
414 __cpp_lib_shared{,_timed}_mutex.
415 (shared_mutex): Guard behind __cpp_lib_shared_mutex.
416 * include/std/semaphore: Switch to bits/version.h for
417 __cpp_lib_semaphore. Guard header behind that FTM.
418 * include/std/ranges: Switch to bits/version.h for
419 __cpp_lib_ranges_{zip,chunk{,_by},slide,join_with},
420 __cpp_lib_ranges_{repeat_stride,cartesian_product,as_rvalue},
421 and __cpp_lib_ranges_{as_const,enumerate,iota}.
422 (ranges::zip et al, ranges::chunk et al, ranges::slide et al)
423 (ranges::chunk_by et al, ranges::join_with et al)
424 (ranges::stride et al, ranges::cartesian_product et al)
425 (ranges::as_rvalue et al, ranges::as_const et al)
426 (ranges::enumerate et al): Guard behind appropriate FTM.
427 * include/std/optional: Switch to bits/version.h for
428 __cpp_lib_optional. Guard header behind that FTM.
429 * include/std/numeric: Switch to bits/version.h for
430 __cpp_lib_{gcd{,_lcm},lcm,constexpr_numeric,interpolate}
431 and __cpp_lib_parallel_algorithm.
432 (gcd, lcm): Guard behind __cpp_lib_gcd_lcm.
433 (midpoint): Guard behind __cpp_lib_interpolate.
434 * include/std/numbers: Switch to bits/version.h for
435 __cpp_lib_math_constants. Guard header behind that FTM.
436 * include/std/mutex: Switch to bits/version.h for
437 __cpp_lib_scoped_lock.
438 (scoped_Lock): Guard behind __cpp_lib_scoped_lock.
439 * include/std/memory_resource: Switch to bits/version.h for
440 __cpp_lib_{polymorphic_allocator,memory_resource}.
441 (synchronized_pool_resource): Guard behind
442 __cpp_lib_memory_resource >= 201603L.
443 (polymorphic_allocator): Guard behind
444 __cpp_lib_polymorphic_allocator.
445 * include/std/memory: Switch to bits/version.h for
446 __cpp_lib_{parallel_algorithm,atomic_value_initialization}.
447 * include/std/list: Switch to bits/version.h for
449 (erase, erase_if): Guard behind __cpp_lib_erase_if.
450 * include/std/latch: Switch to bits/version.h for __cpp_lib_latch.
451 Guard header behind that FTM.
452 * include/std/iterator: Switch to bits/version.h for
453 __cpp_lib_null_iterators.
454 * include/std/iomanip: Switch to bits/version.h for
455 __cpp_lib_quoted_string_io.
456 (quoted): Guard behind __cpp_lib_quoted_string_io.
457 * include/std/functional: Switch to bits/version.h for
458 __cpp_lib_{invoke{,_r},constexpr_functional,bind_front} and
459 __cpp_lib_{not_fn,booyer_moore_searcher}.
460 (invoke): Guard behind __cpp_lib_invoke.
461 (invoke_r): Guard behind __cpp_lib_invoke_r.
462 (bind_front): Guard behind __cpp_lib_bind_front.
463 (not_fn): Guard behind __cpp_lib_not_fn.
464 (boyer_moore_searcher, boyer_moore_horspool_searcher): Guard
465 definition behind __cpp_lib_boyer_moore_searcher.
466 * include/std/forward_list: Switch to bits/version.h for
468 (erase, erase_if): Guard behind __cpp_lib_erase_if.
469 * include/std/format: Switch to bits/version.h for
470 __cpp_lib_format. Guard header behind that FTM.
471 * include/std/filesystem: Switch to bits/version.h for
472 __cpp_lib_filesystem. Guard header behind that FTM.
473 * include/std/expected: Switch to bits/version.h for
474 __cpp_lib_expected. Guard header behind it.
475 * include/std/execution: Switch to bits/version.h for
476 __cpp_lib_{execution,parallel_algorithm}. Guard header behind
478 * include/std/deque: Switch to bits/version.h for
480 (erase, erase_if): Guard behind __cpp_lib_erase_if.
481 * include/std/coroutine: Switch to bits/version.h for
482 __cpp_lib_coroutine. Guard header behind that FTM.
483 * include/std/concepts: Switch to bits/version.h for
484 __cpp_lib_concepts. Guard header behind that FTM.
485 * include/std/complex: Switch to bits/version.h for
486 __cpp_lib_{complex_udls,constexpr_complex}.
487 (operator""if, operator""i, operator""il): Guard behind
488 __cpp_lib_complex_udls.
489 * include/std/charconv: Swtich to bits/version.h for
490 __cpp_lib_{to_chars,constexpr_charconv}.
491 * include/std/bitset: Switch to bits/version.h for
492 __cpp_lib_constexpr_bitset.
493 * include/std/bit: Switch to bits/version.h for
494 __cpp_lib_{bit_cast,byteswap,bitops,int_pow2,endian}.
495 (bit_cast): Guard behind __cpp_lib_bit_cast.
496 (byteswap): Guard behind __cpp_lib_byteswap.
497 (rotl, rotr, countl_zero, countl_one, countr_zero, countr_one)
498 (popcount): Guard behind __cpp_lib_bitops.
499 (has_single_bit, bit_ceil, bit_floor, bit_width): Guard behind
501 (endian): Guard behind __cpp_lib_endian.
502 * include/std/barrier: Switch to bits/version.h for
503 __cpp_lib_barrier. Guard header behind that FTM.
504 * include/std/atomic: Switch to bits/version.h for
505 __cpp_lib_atomic_{is_always_lock_free,float,ref}
506 and __cpp_lib_lock_free_type_aliases.
507 (*::is_always_lock_free): Guard behind
508 __cpp_lib_atomic_is_always_lock_free.
509 (atomic<float>): Guard behind __cpp_lib_atomic_float.
510 (atomic_ref): Guard behind __cpp_lib_atomic_ref.
511 (atomic_signed_lock_free, atomic_unsigned_lock_free): Guard behind
512 __cpp_lib_atomic_lock_free_type_aliases.
513 * include/std/array: Switch to bits/version.h for
515 (to_array): Guard behind __cpp_lib_to_array.
516 * include/std/any: Switch to bits/version.h for __cpp_lib_any.
517 Guard header behind that FTM.
518 * include/std/algorithm: Switch to bits/version.h for
519 __cpp_lib_parallel_algorithm.
520 * include/c_global/cstddef: Switch to bits/version.h for
522 (byte): Guard behind __cpp_lib_byte.
523 * include/c_global/cmath: Switch to bits/version.h for
524 __cpp_lib_{hypot,interpolate}.
525 (hypot3): Guard behind __cpp_lib_hypot.
526 (lerp): Guard behind __cpp_lib_interpolate.
527 * include/c_compatibility/stdatomic.h: Switch to
528 bits/stl_version.h for __cpp_lib_atomic. Guard header behind that
530 * include/bits/utility.h: Switch to bits/version.h for
531 __cpp_lib_{tuple_element_t,integer_sequence,ranges_zip}.
532 (tuple_element_t): Guard behind __cpp_lib_tuple_element_t.
533 (integer_sequence et al): Guard behind __cpp_lib_integer_sequence.
534 * include/bits/uses_allocator_args.h: Switch to bits/version.h for
535 __cpp_lib_make_obj_using_allocator. Guard header behind that FTM.
536 * include/bits/unordered_map.h: Switch to bits/version.h for
537 __cpp_lib_unordered_map_try_emplace.
538 (try_emplace): Guard behind __cpp_lib_unordered_map_try_emplace.
539 * include/bits/unique_ptr.h: Switch to bits/version.h for
540 __cpp_lib_{constexpr_memory,make_unique}.
541 (make_unique): Guard behind __cpp_lib_make_unique.
542 * include/bits/stl_vector.h: Switch to bits/version.h for
543 __cpp_lib_constexpr_vector.
544 * include/bits/stl_uninitialized.h: Switch to bits/version.h for
545 __cpp_lib_raw_memory_algorithms.
546 (uninitialized_default_construct)
547 (uninitialized_default_construct_n, uninitialized_move)
548 (uninitialized_move_n, uninitialized_value_construct)
549 (uninitialized_value_construct_n): Guard behind
550 __cpp_lib_raw_memory_algorithms.
551 * include/bits/stl_tree.h: Switch to bits/version.h for
552 __cpp_lib_generic_associative_lookup.
553 * include/bits/stl_stack.h: Switch to bits/version.h for
554 __cpp_lib_adaptor_iterator_pair_constructor.
555 (stack): Guard iterator-pair constructor behind
556 __cpp_lib_adaptor_iterator_pair_constructor.
557 * include/bits/stl_queue.h: Switch to bits/version.h for
558 __cpp_lib_adaptor_iterator_pair_constructor.
559 (queue): Guard iterator-pair constructor behind
560 __cpp_lib_adaptor_iterator_pair_constructor.
561 * include/bits/stl_pair.h: Switch to bits/version.h for
562 __cpp_lib_{concepts,tuples_by_type}.
563 (get): Guard type-getting overloads behind
564 __cpp_lib_tuples_by_type.
565 * include/bits/stl_map.h: Switch to bits/version.h for
566 __cpp_lib_map_try_emplace.
567 (map<>::try_emplace): Guard behind __cpp_lib_map_try_emplace.
568 * include/bits/stl_list.h: Switch to bits/version.h for
569 __cpp_lib_list_remove_return_type.
570 (__remove_return_type, _GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG)
571 [C++20]: guard behind __cpp_lib_list_remove_return_type instead.
572 * include/bits/stl_iterator.h: Switch to bits/version.h for
573 __cpp_lib_{constexpr_iterator,array_constexpr} and
574 __cpp_lib_{make_reverse_iterator,move_iterator_concept}.
575 (make_reverse_iterator): Guard behind
576 __cpp_lib_make_reverse_iterator.
577 (iterator_concept et al): Guard __cpp_lib_move_iterator_concept
578 changes behind that FTM.
579 * include/bits/stl_function.h: Switch to bits/version.h for
580 __cpp_lib_transparent_operators.
581 (equal_to, not_equal_to, greater, less, greater_equal)
582 (less_equal, bit_and, bit_or, bit_xor, bit_not, logical_and)
583 (logical_or, logical_not, plus, minus, multiplies, divides)
584 (modulus, negate): Guard '= void' fwdecls behind
585 __cpp_lib_transparent_operators.
586 (plus<void>, minus<void>, multiplies<void>, divides<void>)
587 (modulus<void>, negate<void>, logical_and<void>, logical_or<void>)
588 (logical_not<void>, bit_and<void>, bit_or<void>, bit_xor<void>)
589 (equal_to<void>, not_equal_to<void>, greater<void>, less<void>)
590 (greater_equal<void>, less_equal<void>, bit_not<void>)
591 (__has_is_transparent): Guard behind
592 __cpp_lib_transparent_operators.
593 * include/bits/stl_algobase.h: Switch to bits/version.h for
594 __cpp_lib_robust_nonmodifying_seq_ops.
595 (robust equal, mismatch): Guard behind
596 __cpp_lib_nonmember_container_access.
597 * include/bits/stl_algo.h: Swtich to bits/version.h for
598 __cpp_lib_{clamp,sample}.
599 (clamp): Guard behind __cpp_lib_clamp.
600 (sample): Guard behind __cpp_lib_sample.
601 * include/bits/specfun.h: Switch to bits/version.h for
602 __cpp_lib_math_special_functions and __STDCPP_MATH_SPEC_FUNCS__.
603 * include/bits/shared_ptr_base.h: Switch to bits/version.h for
604 __cpp_lib_{smart_ptr_for_overwrite,shared_ptr_arrays}.
605 (_Sp_overwrite_tag): Guard behind
606 __cpp_lib_smart_ptr_for_overwrite.
607 * include/bits/shared_ptr_atomic.h: Switch to bits/version.h for
608 __cpp_lib_atomic_shared_ptr.
609 * include/bits/shared_ptr.h: Switch to bits/version.h for
610 __cpp_lib_{enable_shared_from_this,shared_ptr_weak_type}.
611 (shared_ptr<T>::weak_type): Guard behind
612 __cpp_lib_shared_ptr_weak_type.
613 (enable_shared_from_this<T>::weak_from_this): Guard behind
614 __cpp_lib_enable_shared_from_this.
615 * include/bits/ranges_cmp.h: Switch to bits/version.h for
617 * include/bits/ranges_algo.h: Switch to bits/version.h for
618 __cpp_lib_{shift,ranges_{contains,find_last,fold,iota}}.
619 * include/bits/range_access.h: Switch to bits/version.h for
620 __cpp_lib_nonmember_container_access
621 (size, empty, data): Guard behind
622 __cpp_lib_nonmember_container_access.
623 (ssize): Guard behind __cpp_lib_ssize.
624 * include/bits/ptr_traits.h: Switch to bits/version.h. for
625 __cpp_lib_{constexpr_memory,to_address}.
626 (to_address): Guard behind __cpp_lib_to_address.
627 * include/bits/node_handle.h: Switch to bits/version.h for
628 __cpp_lib_node_extract. Guard header behind that FTM.
629 * include/bits/move_only_function.h: Switch to bits/version.h for
630 __cpp_lib_move_only_function. Guard header behind that FTM.
631 * include/bits/move.h: Switch to bits/version.h for
632 __cpp_lib_addressof_constexpr.
633 * include/bits/ios_base.h: Switch to bits/version.h for
634 __cpp_lib_ios_noreplace.
635 (noreplace): Guard with __cpp_lib_ios_noreplace.
636 * include/bits/hashtable.h: Switch to bits/version.h for
637 __cpp_lib_generic_unordered_lookup.
638 (_M_equal_range_tr, _M_count_tr, _M_find_tr): Guard behind
639 __cpp_lib_generic_unordered_lookup.
640 * include/bits/forward_list.h: Switch to bits/version.h for
641 __cpp_lib_list_remove_return_type.
642 (__remove_return_type): Guard behind
643 __cpp_lib_list_remove_return_type.
644 * include/bits/erase_if.h: Switch to bits/version.h for
646 * include/bits/cow_string.h: Switch to bits/version.h for
647 __cpp_lib_constexpr_string.
648 * include/bits/chrono.h: Swtich to bits/version.h for
649 __cpp_lib_chrono{,_udls}.
650 (ceil): Guard behind __cpp_lib_chrono.
651 (operator""ns et al): Guard behind __cpp_lib_chrono_udls.
652 * include/bits/char_traits.h: Switch to bits/version.h for
653 __cpp_lib_constexpr_char_traits.
654 * include/bits/basic_string.h: Switch to bits/version.h for
655 __cpp_lib_{constexpr_string,string_{resize_and_overwrite,udls}}.
656 (resize_and_overwrite): Guard behind
657 __cpp_lib_string_resize_and_overwrite.
658 (operator""s): Guard behind __cpp_lib_string_udls.
659 * include/bits/atomic_wait.h: Switch to bits/version.h for
660 __cpp_lib_atomic_wait. Guard header behind that FTM.
661 * include/bits/atomic_base.h: Switch to bits/version.h for
662 __cpp_lib_atomic_value_initialization and
663 __cpp_lib_atomic_flag_test.
664 (atomic_flag::test): Guard behind __cpp_lib_atomic_flag_test,
666 * include/bits/allocator.h: Switch to bits/version.h for
667 __cpp_lib_incomplete_container_elements.
668 * include/bits/alloc_traits.h: Switch to using bits/version.h for
669 __cpp_lib_constexpr_dynamic_alloc and
670 __cpp_lib_allocator_traits_is_always_equal.
671 * include/bits/align.h: Switch to bits/version.h for defining
672 __cpp_lib_assume_aligned.
673 (assume_aligned): Guard with __cpp_lib_assume_aligned.
674 * include/bits/algorithmfwd.h: Switch to bits/version.h for
675 defining __cpp_lib_constexpr_algorithms.
676 * include/std/stacktrace: Switch to bits/version.h for
677 __cpp_lib_stacktrace. Guard header behind that FTM.
678 * testsuite/23_containers/array/tuple_interface/get_neg.cc:
681 2023-08-16 Arsen Arsenović <arsen@aarsen.me>
683 * include/Makefile.am (bits_freestanding): Add version.h.
684 (allcreated): Add version.h.
685 (${bits_srcdir}/version.h): New rule. Regenerates
686 version.h out of version.{def,tpl}.
687 * include/Makefile.in: Regenerate.
688 * include/bits/version.def: New file. Declares a list of
689 all feature test macros, their values and their preconditions.
690 * include/bits/version.tpl: New file. Turns version.def
691 into a sequence of #if blocks.
692 * include/bits/version.h: New file. Generated from
694 * include/std/version: Replace with a __glibcxx_want_all define
695 and bits/version.h include.
697 2023-08-14 Paul Dreik <gccpatches@pauldreik.se>
700 * include/std/format (__formatter_fp::format): Use frexp instead
703 2023-08-12 Ken Matsui <kmatsui@gcc.gnu.org>
705 * include/std/type_traits (true_type): Use __bool_constant
707 (false_type): Likewise.
708 (bool_constant): Likewise.
710 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
713 * include/std/format (_Seq_sink::get): Only call _M_overflow if
714 its precondition is met.
715 (_Iter_sink::_M_finish): Likewise.
716 (_Iter_sink<C, ContigIter>::_M_overflow): Only switch to the
717 internal buffer after running out of space.
718 (_Iter_sink<C, ContigIter>::_M_finish): Do not use _M_overflow.
719 (_Counting_sink::count): Likewise.
720 * testsuite/std/format/functions/format_to_n.cc: Check cases
721 where the output fits into the buffer.
723 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
726 * include/bits/chrono_io.h (operator|=, operator|): Add noexcept
727 to _ChronoParts operators.
728 (from_stream, parse): Define new functions.
729 (__detail::_Parse, __detail::_Parser): New class templates.
730 * include/std/chrono (__cpp_lib_chrono): Define to 201907L for
732 * include/std/version (__cpp_lib_chrono): Likewise.
733 * testsuite/20_util/duration/arithmetic/constexpr_c++17.cc:
734 Adjust expected value of feature test macro.
735 * testsuite/20_util/duration/io.cc: Test parsing.
736 * testsuite/std/time/clock/file/io.cc: Likewise.
737 * testsuite/std/time/clock/gps/io.cc: Likewise.
738 * testsuite/std/time/clock/system/io.cc: Likewise.
739 * testsuite/std/time/clock/tai/io.cc: Likewise.
740 * testsuite/std/time/clock/utc/io.cc: Likewise.
741 * testsuite/std/time/day/io.cc: Likewise.
742 * testsuite/std/time/month/io.cc: Likewise.
743 * testsuite/std/time/month_day/io.cc: Likewise.
744 * testsuite/std/time/weekday/io.cc: Likewise.
745 * testsuite/std/time/year/io.cc: Likewise.
746 * testsuite/std/time/year_month/io.cc: Likewise.
747 * testsuite/std/time/year_month_day/io.cc: Likewise.
748 * testsuite/std/time/syn_c++20.cc: Check value of macro and for
749 the existence of parse and from_stream in namespace chrono.
750 * testsuite/std/time/clock/local/io.cc: New test.
751 * testsuite/std/time/parse.cc: New test.
753 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
756 * include/std/format (__formatter_fp::format): Do not call log10
759 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
761 * python/libstdcxx/v6/printers.py (StdChronoCalendarPrinter):
762 Check for out-of-range month an weekday indices.
763 * testsuite/libstdc++-prettyprinters/chrono.cc: Check invalid
764 month and weekday values.
766 2023-08-11 Jonathan Wakely <jwakely@redhat.com>
768 * include/bits/stl_iterator.h (__clamped_iter_cat_t): Remove.
770 2023-08-10 Jonathan Wakely <jwakely@redhat.com>
773 * include/std/format (_Spec::_S_parse_width_or_precision): Check
774 for empty range before dereferencing iterator.
775 * testsuite/std/format/string.cc: Check for expected exception.
776 Fix expected exception message in test_pr110862() and actually
779 2023-08-10 Jonathan Wakely <jwakely@redhat.com>
782 * include/std/format (__formatter_fp::format): Check return
783 value of _M_localize.
784 * testsuite/std/format/functions/format.cc: Check classic
787 2023-08-10 Jonathan Wakely <jwakely@redhat.com>
790 * include/bits/stl_iterator.h (__detail::__move_iter_cat): Use
792 (iterator_traits<common_iterator<I, S>>::_S_iter_cat): Likewise.
793 (__detail::__basic_const_iterator_iter_cat): Likewise.
794 * include/bits/stl_iterator_base_types.h (__iterator_category_t):
795 Rename to __iter_category_t.
797 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
799 * include/bits/chrono.h (duration_cast): Do not use braces
800 around statements for C++11 constexpr rules.
801 * include/bits/stl_algobase.h (__lg): Rewrite as a single
802 statement for C++11 constexpr rules.
803 * include/experimental/bits/fs_path.h (path::string): Use
804 _GLIBCXX17_CONSTEXPR not _GLIBCXX_CONSTEXPR for 'if constexpr'.
805 * include/std/charconv (__to_chars_8): Initialize variable for
806 C++17 constexpr rules.
808 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
810 * include/bits/list.tcc (list::sort(Cmp)): Fix -Wsign-compare
811 warning for loop condition.
813 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
815 * include/std/complex: Add diagnostic pragma for clang.
817 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
819 * include/bits/shared_ptr_atomic.h (atomic): Change class-head
821 * include/bits/stl_tree.h (_Rb_tree_merge_helper): Change
822 class-head to struct in friend declaration.
823 * include/std/chrono (tzdb_list::_Node): Likewise.
824 * include/std/future (_Task_state_base, _Task_state): Likewise.
825 * include/std/scoped_allocator (__inner_type_impl): Likewise.
826 * include/std/valarray (_BinClos, _SClos, _GClos, _IClos)
827 (_ValFunClos, _RefFunClos): Change class-head to struct.
829 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
831 * include/bits/alloc_traits.h (allocate): Add [[maybe_unused]]
833 * include/bits/regex_executor.tcc: Remove name of unused
835 * include/bits/shared_ptr_atomic.h (atomic_is_lock_free):
837 * include/bits/stl_uninitialized.h: Likewise.
838 * include/bits/streambuf_iterator.h (operator==): Likewise.
839 * include/bits/uses_allocator.h: Likewise.
840 * include/c_global/cmath (isfinite, isinf, isnan): Likewise.
841 * include/std/chrono (zoned_time): Likewise.
842 * include/std/future (__future_base::_S_allocate_result):
844 (packaged_task): Likewise.
845 * include/std/optional (_Optional_payload_base): Likewise.
846 * include/std/scoped_allocator (__inner_type_impl): Likewise.
847 * include/std/tuple (_Tuple_impl): Likewise.
849 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
851 * include/bits/new_allocator.h (__new_allocator): Define copy
852 assignment operator as defaulted.
853 * include/std/complex (complex<float>, complex<double>)
854 (complex<long double>): Define copy constructor as defaulted.
856 2023-08-09 Jonathan Wakely <jwakely@redhat.com>
858 * include/std/format: Fix some warnings.
859 (__format::__write(Ctx&, basic_string_view<CharT>)): Remove
860 unused function template.
862 2023-08-07 Jonathan Wakely <jwakely@redhat.com>
865 * include/std/format (__formatter_fp::format): Do not use
866 __builtin_abs and __builtin_log10 with arbitrary floating-point
869 2023-08-07 Jonathan Wakely <jwakely@redhat.com>
872 * include/std/format (__format::_Iter_sink<CharT, OutIter>):
873 Constrain partial specialization for contiguous iterators to
874 require the value type to be CharT.
875 * testsuite/std/format/functions/format_to.cc: New test.
877 2023-08-07 Jonathan Wakely <jwakely@redhat.com>
880 * include/std/format (_Scanner::_M_on_replacement_field):
881 Check for expected '}' before incrementing iterator.
882 * testsuite/std/format/string.cc: Check "{0:{0}" format string.
884 2023-08-07 Nick Alcock <nick.alcock@oracle.com>
886 * configure: Regenerate.
888 2023-08-07 Alan Modra <amodra@gmail.com>
890 * configure: Regenerate.
892 2023-08-07 Alexander von Gluck IV <kallisti5@unixzen.com>
894 * configure: Regenerate.
896 2023-08-07 Nick Alcock <nick.alcock@oracle.com>
898 * configure: Regenerate.
900 2023-08-07 Nick Alcock <nick.alcock@oracle.com>
902 * configure: Regenerate.
904 2023-08-07 H.J. Lu <hjl.tools@gmail.com>
906 * configure: Regenerate.
908 2023-08-07 H.J. Lu <hjl.tools@gmail.com>
910 * configure: Regenerate.
912 2023-08-06 François Dumont <fdumont@gcc.gnu.org>
914 * config/abi/pre/gnu-versioned-namespace.ver: Add __cxa_call_terminate
917 2023-07-30 François Dumont <fdumont@gcc.gnu.org>
919 * src/c++11/compatibility-ldbl-facets-aliases.h: Replace #define with
921 * src/c++11/locale-inst-monetary.h: Likewise.
922 * src/c++11/locale-inst-numeric.h: Likewise.
924 2023-07-27 Jonathan Wakely <jwakely@redhat.com>
927 * include/std/format (__formatter_fp::format): Ensure __expc is
928 always set for all presentation types. Set __z correctly for
930 * testsuite/std/format/functions/format.cc: Check problem cases.
932 2023-07-26 Jonathan Wakely <jwakely@redhat.com>
935 * testsuite/23_containers/vector/bool/110807.cc: Require c++11.
937 2023-07-26 Jonathan Wakely <jwakely@redhat.com>
940 * include/bits/stl_bvector.h (vector(const vector&)): Access
941 iterators before allocating.
942 * include/bits/vector.tcc (vector<bool>::_M_insert_range):
944 * testsuite/23_containers/vector/bool/110807.cc: New test.
946 2023-07-26 Jonathan Wakely <jwakely@redhat.com>
948 * include/bits/algorithmfwd.h (random_shuffle): Add deprecated
950 * include/bits/stl_algo.h (random_shuffle): Correct comments.
951 * testsuite/25_algorithms/random_shuffle/1.cc: Disable
953 * testsuite/25_algorithms/random_shuffle/59603.cc: Likewise.
954 * testsuite/25_algorithms/random_shuffle/moveable.cc: Likewise.
955 * testsuite/25_algorithms/random_shuffle/deprecated.cc: New
958 2023-07-26 Nathaniel Shead <nathanieloshead@gmail.com>
960 * testsuite/25_algorithms/equal/constexpr_neg.cc: Update diagnostic
962 * testsuite/26_numerics/gcd/105844.cc: Likewise.
963 * testsuite/26_numerics/lcm/105844.cc: Likewise.
965 2023-07-24 Deev Patel <pateldeev@nevada.unr.edu>
967 * include/std/format (_Formatting_scanner::_M_on_chars): Add
968 missing constexpr specifier.
969 (_Formatting_scanner::_M_format_arg): Likewise.
971 2023-07-24 Jonathan Wakely <jwakely@redhat.com>
974 * include/bits/basic_string.h [!HAVE_STOF] (stof): Do not
975 throw an exception for zero result.
976 [HAVE_BROKEN_STRTOLD] (stold): Do not use strtold.
978 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
981 * src/c++17/floating_from_chars.cc (from_chars): Only define
982 _Float128 overload when using __strfromf128.
984 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
987 * include/bits/chrono.h (duration): Improve static assert
989 (__is_ratio): Move to ...
990 * include/std/ratio (__is_ratio): ... here.
991 (__is_ratio_v): New variable template and partial
993 (__are_both_ratios): New function template.
994 (__ratio_multiply, ratio_equal, ratio_less, __ratio_add):
995 Add static assertion.
996 * testsuite/20_util/ratio/requirements/type_constraints.cc:
998 * testsuite/20_util/duration/requirements/typedefs_neg1.cc:
999 Adjust expected error.
1000 * testsuite/20_util/duration/requirements/typedefs_neg2.cc:
1003 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1005 * include/bits/chrono_io.h (__formatter_chrono::_M_format):
1006 Do not set __is_neg for hh_mm_ss before calling
1007 _M_format_to_ostream. Change __print_sign lambda to only check
1008 __is_neg for durations and hh_mm_ss types.
1009 (__formatter_chrono::_M_format_to_ostream): Only check __is_neg
1011 * testsuite/std/time/hh_mm_ss/io.cc: Check negative values.
1013 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1016 * include/bits/chrono_io.h (__formatter_chrono::_S_floor_seconds):
1017 Handle duration and hh_mm_ss.
1018 * testsuite/20_util/duration/io.cc: Check locale-specific
1020 * testsuite/std/time/hh_mm_ss/io.cc: Likewise.
1022 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1024 * include/std/format (__write_padded): Initialize first element
1025 of array to avoid a -Wmaybe-uninitialized warning.
1027 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1030 * include/bits/chrono_io.h (__formatter_chrono::_M_parse): Fix
1031 allowed modifiers for %z and %Z. Fix -Wparentheses and
1032 -Wnarrowing warnings.
1033 (__formatter_chrono::_M_format): Call new functions for %d, %e,
1035 (__formatter_chrono::_M_c): Use _S_floor_seconds to remove
1036 subsecond precision.
1037 (__formatter_chrono::_M_C_y_Y): Use _M_locale_fmt to handle
1039 (__formatter_chrono::_M_e): Replace with _M_d_e and use
1041 (__formatter_chrono::_M_I): Replace with _M_H_I and use
1043 (__formatter_chrono::_M_m): New function.
1044 (__formatter_chrono::_M_M): New function.
1045 (__formatter_chrono::_M_r): Use _M_locale_fmt.
1046 (__formatter_chrono::_M_S): Likewise.
1047 (__formatter_chrono::_M_u_w): Likewise.
1048 (__formatter_chrono::_M_U_V_W): Likewise.
1049 (__formatter_chrono::_M_X): Use _S_floor_seconds.
1050 (__formatter_chrono::_M_Z): Fix untested branch for wchar_t.
1051 (__formatter_chrono::_S_altnum): Remove function.
1052 (__formatter_chrono::_S_dd_zero_fill): Remove function.
1053 (__formatter_chrono::_S_floor_seconds): New function.
1054 (__formatter_chrono::_M_locale_fmt): New function.
1055 * testsuite/std/time/clock/system/io.cc: Adjust expected output
1056 for locale-specific formats and check modified formats.
1057 * testsuite/std/time/clock/utc/io.cc: Likewise.
1058 * testsuite/std/time/zoned_time/io.cc: New test.
1060 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1063 * include/bits/chrono_io.h (__formatter_chrono::_M_parse): Only
1064 allow a single modifier.
1065 * testsuite/std/time/format.cc: Check multiple modifiers.
1067 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1070 * testsuite/21_strings/basic_string/numeric_conversions/char/stod.cc:
1071 Remove dg-require-string-conversions.
1072 * testsuite/21_strings/basic_string/numeric_conversions/char/stof.cc:
1074 * testsuite/21_strings/basic_string/numeric_conversions/char/stoi.cc:
1076 * testsuite/21_strings/basic_string/numeric_conversions/char/stol.cc:
1078 * testsuite/21_strings/basic_string/numeric_conversions/char/stoul.cc:
1081 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1084 * include/bits/basic_string.h [!_GLIBCXX_HAVE_STRTOF] (stof):
1085 Define in terms of std::stod.
1087 2023-07-19 Jonathan Wakely <jwakely@redhat.com>
1090 * include/bits/basic_string.h [_GLIBCXX_HAVE_STRTOF] (stof):
1092 [_GLIBCXX_HAVE_STRTOLD] (stold): Define.
1093 * include/c_global/cstdlib [_GLIBCXX_HAVE_STRTOF] (strtof):
1094 Declare in namespace std.
1095 [_GLIBCXX_HAVE_STRTOLD] (strtold): Likewise.
1097 2023-07-13 Jonathan Wakely <jwakely@redhat.com>
1100 * include/bits/basic_string.h (stoi, stol, stoul, stod): Do not
1101 depend on _GLIBCXX_USE_C99_STDLIB.
1102 [__LONG_WIDTH__ == __LONG_LONG_WIDTH__] (stoll, stoull): Define
1103 in terms of stol and stoul respectively.
1104 [__DBL_MANT_DIG__ == __LDBL_MANT_DIG__] (stold): Define in terms
1107 2023-07-12 Jonathan Wakely <jwakely@redhat.com>
1110 * testsuite/27_io/filesystem/path/construct/95048.cc: Check
1111 conversions to wide strings.
1112 * testsuite/experimental/filesystem/path/construct/95048.cc:
1115 2023-07-12 Jonathan Wakely <jwakely@redhat.com>
1117 * config/io/basic_file_stdio.cc: Define LFS macros.
1118 (__basic_file<char>::open): Use fopen unconditionally.
1119 (get_file_offset): Use lseek unconditionally.
1120 (__basic_file<char>::seekoff): Likewise.
1121 (__basic_file<char>::showmanyc): Use fstat unconditionally.
1123 2023-07-12 Jonathan Wakely <jwakely@redhat.com>
1126 * acinclude.m4 (GLIBCXX_CHECK_LFS): Check for fseeko and ftello
1127 and define _GLIBCXX_USE_FSEEKO_FTELLO.
1128 * config.h.in: Regenerate.
1129 * configure: Regenerate.
1130 * config/io/basic_file_stdio.cc (xwrite) [_GLIBCXX_USE_STDIO_PURE]:
1131 Check for fwrite error correctly.
1132 (__basic_file<char>::xsgetn) [_GLIBCXX_USE_STDIO_PURE]: Check for
1133 fread error correctly.
1134 (get_file_offset): New function.
1135 (__basic_file<char>::seekoff) [_GLIBCXX_USE_STDIO_PURE]: Use
1136 fseeko if available. Use get_file_offset instead of return value
1138 (__basic_file<char>::showmanyc): Use get_file_offset.
1140 2023-07-12 Ken Matsui <kmatsui@gcc.gnu.org>
1142 * include/std/type_traits (__make_unsigned_selector): Use
1143 __is_enum built-in trait.
1144 (__make_signed_selector): Likewise.
1145 (__underlying_type_impl): Likewise.
1147 2023-07-06 Tianqiang Shuai <1101282468@qq.com>
1149 * config/io/basic_file_stdio.cc (xwrite) [USE_STDIO_PURE]: Fix
1152 2023-07-06 Jonathan Wakely <jwakely@redhat.com>
1155 * doc/xml/manual/configure.xml: Describe stdio_pure argument to
1157 * doc/html/manual/configure.html: Regenerate.
1159 2023-07-05 Thomas Rodgers <trodgers@redhat.com>
1161 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: Delete
1163 * testsuite/25_algorithms/pstl/alg_sorting/set_difference.cc:
1165 * testsuite/25_algorithms/pstl/alg_sorting/set_intersection.cc:
1167 * testsuite/25_algorithms/pstl/alg_sorting/set_symmetric_difference.cc:
1169 * testsuite/25_algorithms/pstl/alg_sorting/set_union.cc:
1171 * testsuite/25_algorithms/pstl/alg_sorting/set_util.h:
1174 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
1176 * testsuite/23_containers/forward_list/debug/iterator1_neg.cc:
1177 Skip as UNSUPPORTED for C++98 mode.
1178 * testsuite/23_containers/forward_list/debug/iterator3_neg.cc:
1181 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
1184 * include/bits/stl_uninitialized.h (__uninitialized_default_n):
1185 Do not use std::fill_n during constant evaluation.
1187 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
1189 * include/bits/vector.tcc (_M_default_append): Replace try-block
1192 2023-07-05 Jonathan Wakely <jwakely@redhat.com>
1194 * include/bits/iterator_concepts.h (projected): Add typename.
1196 2023-07-03 Jonathan Wakely <jwakely@redhat.com>
1198 * testsuite/27_io/headers/iosfwd/synopsis.cc: Make wsyncbuf and
1199 wosyncstream depend on _GLIBCXX_USE_CXX11_ABI.
1201 2023-07-03 Jonathan Wakely <jwakely@redhat.com>
1203 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
1204 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
1205 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
1206 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
1208 2023-07-03 Jonathan Wakely <jwakely@redhat.com>
1210 * include/bits/alloc_traits.h (_Destroy): Qualify call.
1211 * include/bits/stl_construct.h (_Destroy, _Destroy_n): Likewise.
1212 * testsuite/23_containers/vector/cons/destroy-adl.cc: New test.
1214 2023-07-03 Iain Sandoe <iain@sandoe.co.uk>
1216 * testsuite/lib/libstdc++.exp: Remove additional flag handled
1219 2023-06-30 Jonathan Wakely <jwakely@redhat.com>
1222 * acinclude.m4 (GLIBCXX_CHECK_INIT_PRIORITY): New.
1223 * config.h.in: Regenerate.
1224 * configure: Regenerate.
1225 * configure.ac: Use GLIBCXX_CHECK_INIT_PRIORITY.
1226 * include/std/iostream: Use new autoconf macro as well as
1228 * src/c++98/ios_base_init.h: Use new autoconf macro instead of
1231 2023-06-30 Jonathan Wakely <jwakely@redhat.com>
1233 * src/c++11/random.cc (random_device::_M_init): Add maybe_unused
1236 2023-06-30 Jonathan Wakely <jwakely@redhat.com>
1239 * src/c++11/random.cc (random_device::_M_init): Throw
1240 std::system_error when the requested device is a valid token but
1241 not available at runtime.
1243 2023-06-30 Hans-Peter Nilsson <hp@axis.com>
1246 * include/pstl/unseq_backend_simd.h (__simd_or): Re-apply using
1247 __INT32_TYPE__ instead of int32_t.
1249 2023-06-29 Jonathan Wakely <jwakely@redhat.com>
1251 * src/c++20/tzdb.cc (USE_ATOMIC_SHARED_PTR): Define consistently
1252 with USE_ATOMIC_LIST_HEAD.
1253 (list_mutex): Replace global object with function. Use local
1254 static object when std::mutex constructor isn't constexpr.
1256 2023-06-29 Jonathan Wakely <jwakely@redhat.com>
1259 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check that
1260 copy_file_range can be called with loff_t* arguments.
1261 * configure: Regenerate.
1262 * src/filesystem/ops-common.h (copy_file_copy_file_range):
1263 Use loff_t for offsets.
1265 2023-06-29 Tom Tromey <tromey@adacore.com>
1267 * testsuite/lib/gdb-test.exp (gdb-test): Relax type-printer
1270 2023-06-28 Jan Hubicka <jh@suse.cz>
1272 PR middle-end/109849
1273 * include/bits/c++config (std::__terminate): Mark cold.
1274 * include/bits/functexcept.h: Mark everything as cold.
1275 * libsupc++/exception: Mark terminate and unexpected as cold.
1277 2023-06-26 Thomas Rodgers <trodgers@redhat.com>
1279 * include/pstl/algorithm_fwd.h: Synchronize with upstream.
1280 * include/pstl/algorithm_impl.h: Likewise.
1281 * include/pstl/execution_defs.h: Likewise.
1282 * include/pstl/execution_impl.h: Likewise.
1283 * include/pstl/glue_algorithm_impl.h: Likewise.
1284 * include/pstl/glue_execution_defs.h: Likewise.
1285 * include/pstl/glue_memory_impl.h: Likewise.
1286 * include/pstl/glue_numeric_impl.h: Likewise.
1287 * include/pstl/memory_impl.h: Likewise.
1288 * include/pstl/numeric_fwd.h: Likewise.
1289 * include/pstl/numeric_impl.h: Likewise.
1290 * include/pstl/parallel_backend.h: Likewise.
1291 * include/pstl/parallel_backend_serial.h: Likewise.
1292 * include/pstl/parallel_backend_tbb.h: Likewise.
1293 * include/pstl/parallel_impl.h: Likewise.
1294 * include/pstl/pstl_config.h: Likewise.
1295 * include/pstl/unseq_backend_simd.h: Likewise.
1296 * include/pstl/utils.h: Likewise.
1297 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
1299 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
1301 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc:
1303 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc:
1305 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
1306 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
1308 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
1310 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc:
1312 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc:
1314 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
1316 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
1318 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
1320 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
1322 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc:
1324 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc:
1326 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
1328 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
1330 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
1332 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc:
1334 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc:
1336 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc:
1338 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
1340 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
1342 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc:
1344 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc:
1346 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc:
1348 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc:
1350 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc:
1352 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc:
1354 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc:
1356 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
1358 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc:
1360 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc:
1362 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc:
1364 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc:
1366 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
1368 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc:
1370 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
1372 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc:
1374 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc:
1376 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc:
1378 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc:
1380 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
1382 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc:
1384 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc:
1386 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
1388 * testsuite/25_algorithms/pstl/alg_sorting/set.cc:
1390 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc:
1392 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
1394 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc:
1396 * testsuite/26_numerics/pstl/numeric_ops/scan.cc:
1398 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc:
1400 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc:
1402 * testsuite/util/pstl/test_utils.h:
1405 2023-06-26 Jonathan Wakely <jwakely@redhat.com>
1408 * include/std/format (__format::__parse_integer): Fix buffer
1409 overflow for wide chars.
1410 (formatter<const void*, C>::format): Cast to uintptr_t instead
1412 * testsuite/std/format/string.cc: Test too-large widths.
1414 2023-06-26 Jonathan Wakely <jwakely@redhat.com>
1416 * include/bits/iterator_concepts.h (projected): Replace class
1417 template with alias template denoting an ADL-proofed helper.
1418 (incremental_traits<projected<Iter, Proj>>): Remove.
1419 * testsuite/24_iterators/indirect_callable/projected-adl.cc:
1422 2023-06-26 Jonathan Wakely <jwakely@redhat.com>
1424 * include/debug/helper_functions.h (__get_distance)
1425 (__check_singular, __valid_range_aux, __valid_range): Qualify
1426 calls to disable ADL.
1427 (__check_singular_aux(const _Safe_iterator_base*)): Declare
1428 overload that was previously found via ADL.
1430 2023-06-23 Jonathan Wakely <jwakely@redhat.com>
1432 * include/bits/vector.tcc (_M_realloc_insert): Replace try-block
1435 2023-06-20 Jonathan Wakely <jwakely@redhat.com>
1437 * include/std/array (to_array(T(&)[N])): Remove redundant
1439 (to_array(T(&&)[N])): Remove redundant std::move.
1441 2023-06-16 Alexandre Oliva <oliva@adacore.com>
1443 * testsuite/20_util/from_chars/4.cc: Skip long double on
1446 2023-06-16 Joel Brobecker <brobecker@adacore.com>
1448 * configure.ac ["x${with_newlib}" = "xyes"]: Define
1449 HAVE_HYPOTF. Add compile-checks for various long double
1450 math functions as well.
1451 * configure: Regenerate.
1453 2023-06-14 Jonny Grant <jg@jguk.org>
1455 * doc/xml/manual/extensions.xml: Remove demangle exception
1456 description and include.
1457 * doc/html/manual/ext_demangling.html: Regenerate.
1459 2023-06-10 Hans-Peter Nilsson <hp@axis.com>
1461 * testsuite/27_io/basic_istream/ignore/wchar_t/94749.cc (main)
1462 [! SIMULATOR_TEST]: Also exclude running test05.
1463 * testsuite/27_io/basic_istream/ignore/char/94749.cc: Ditto.
1465 2023-06-09 Ken Matsui <kmatsui@cs.washington.edu>
1467 * include/std/type_traits: Use using instead of typedef
1469 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1472 * src/c++17/floating_from_chars.cc (from_chars) <_Float128>:
1473 Only define if _Float128 and long double have different
1476 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1479 * include/experimental/internet [IPPROTO_TCP || IPPROTO_UDP]
1480 (basic_endpoint, basic_resolver_entry, resolver_base)
1481 (basic_resolver_results, basic_resolver): Only define if the tcp
1482 or udp protocols will be defined.
1484 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1486 * acinclude.m4 (libtool_VERSION): Update to 6.0.33.
1487 * configure: Regenerate.
1488 * doc/xml/manual/abi.xml: Add libstdc++.so.6.0.33.
1489 * doc/html/manual/abi.html: Regenerate.
1491 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1494 * include/std/format (formatter<const void*, charT>::parse):
1495 Only alow 0 and P for C++26 and non-strict modes.
1496 (formatter<const void*, charT>::format): Use toupper for P
1497 type, and insert zero-fill characters for 0 option.
1498 * testsuite/std/format/functions/format.cc: Check pointer
1499 formatting. Only check P2510R3 extensions conditionally.
1500 * testsuite/std/format/parse_ctx.cc: Only check P2510R3
1501 extensions conditionally.
1503 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1506 * include/std/array (to_array): Initialize arrays of trivial
1507 types using memcpy. For non-trivial types, use lambda
1508 expressions instead of a separate helper function.
1509 (__to_array): Remove.
1510 * testsuite/23_containers/array/creation/110167.cc: New test.
1512 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
1514 * testsuite/23_containers/deque/modifiers/emplace/52799.cc:
1516 * testsuite/23_containers/deque/modifiers/emplace/const_iterator.cc:
1518 * testsuite/23_containers/list/modifiers/emplace/52799.cc:
1520 * testsuite/23_containers/list/modifiers/emplace/const_iterator.cc:
1522 * testsuite/23_containers/vector/modifiers/emplace/52799.cc:
1524 * testsuite/23_containers/vector/modifiers/emplace/const_iterator.cc:
1526 * testsuite/23_containers/deque/modifiers/emplace/1.cc: New
1528 * testsuite/23_containers/list/modifiers/emplace/1.cc: New
1530 * testsuite/23_containers/vector/modifiers/emplace/1.cc: New
1533 2023-06-07 Jakub Jelinek <jakub@redhat.com>
1536 * testsuite/20_util/to_chars/double.cc: Include <cfloat>.
1537 (double_to_chars_test_cases,
1538 double_scientific_precision_to_chars_test_cases_2,
1539 double_fixed_precision_to_chars_test_cases_2): #if out 1e126, 4.91e-6
1540 and 5.547e-6 tests if FLT_EVAL_METHOD is negative or larger than 1.
1541 Add unconditional tests with corresponding double constants
1542 0x1.7a2ecc414a03fp+418, 0x1.4981285e98e79p-18 and
1543 0x1.7440bbff418b9p-18.
1545 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
1547 * testsuite/util/testsuite_abi.cc (check_version): Re-add
1550 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
1552 * testsuite/18_support/nested_exception/rethrow_if_nested-term.cc:
1553 Require effective target exceptions_enabled instead of using
1555 * testsuite/23_containers/vector/capacity/constexpr.cc: Expect
1556 shrink_to_fit() to be a no-op without exceptions enabled.
1557 * testsuite/23_containers/vector/capacity/shrink_to_fit.cc:
1559 * testsuite/ext/bitmap_allocator/check_allocate_max_size.cc:
1560 Require effective target exceptions_enabled.
1561 * testsuite/ext/malloc_allocator/check_allocate_max_size.cc:
1563 * testsuite/ext/mt_allocator/check_allocate_max_size.cc:
1565 * testsuite/ext/new_allocator/check_allocate_max_size.cc:
1567 * testsuite/ext/pool_allocator/check_allocate_max_size.cc:
1569 * testsuite/ext/throw_allocator/check_allocate_max_size.cc:
1572 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
1574 * testsuite/20_util/duration/cons/2.cc: Use values that aren't
1575 affected by rounding.
1576 * testsuite/20_util/from_chars/5.cc: Cast arithmetic result to
1577 double before comparing for equality.
1578 * testsuite/20_util/from_chars/6.cc: Likewise.
1579 * testsuite/20_util/variant/86874.cc: Use values that aren't
1580 affected by rounding.
1581 * testsuite/25_algorithms/lower_bound/partitioned.cc: Compare to
1582 original value instead of to floating-point-literal.
1583 * testsuite/26_numerics/random/discrete_distribution/cons/range.cc:
1584 Cast arithmetic result to double before comparing for equality.
1585 * testsuite/26_numerics/random/piecewise_constant_distribution/cons/range.cc:
1587 * testsuite/26_numerics/random/piecewise_linear_distribution/cons/range.cc:
1589 * testsuite/26_numerics/valarray/transcend.cc (eq): Check that
1590 the absolute difference is less than 0.01 instead of comparing
1591 to two decimal places.
1592 * testsuite/27_io/basic_istream/extractors_arithmetic/char/01.cc:
1593 Cast arithmetic result to double before comparing for equality.
1594 * testsuite/27_io/basic_istream/extractors_arithmetic/char/09.cc:
1596 * testsuite/27_io/basic_istream/extractors_arithmetic/char/10.cc:
1598 * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/01.cc:
1600 * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/09.cc:
1602 * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/10.cc:
1604 * testsuite/ext/random/hoyt_distribution/cons/parms.cc: Likewise.
1606 2023-06-07 Jonathan Wakely <jwakely@redhat.com>
1609 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1611 * configure.ac: Use AS_IF.
1612 * configure: Regenerate.
1614 2023-06-07 Thomas Schwinge <thomas@codesourcery.com>
1616 * testsuite/lib/prune.exp (libstdc++-dg-prune): Support
1617 'UNSUPPORTED: [...]: exception handling disabled'.
1619 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1621 * testsuite/util/testsuite_abi.cc (check_version): Add
1622 CXXABI_1.3.15 symver and make it the latestp. Remove
1623 GLIBCXX_IEEE128_3.4.31 and GLIBCXX_LDBL_3.4.31 from latestp.
1625 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1626 Jakub Jelinek <jakub@redhat.com>
1629 * include/std/limits: (numeric_limits<__float128>): Define
1630 for __STRICT_ANSI__ as well.
1631 * testsuite/18_support/numeric_limits/128bit.cc: Remove
1632 check for __STRICT_ANSI__.
1634 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1636 * configure.ac: Use AS_IF.
1637 * configure: Regenerate.
1639 2023-06-06 Matthias Kretz <m.kretz@gsi.de>
1642 * include/experimental/bits/simd_builtin.h (_S_store): Rewrite
1643 to avoid casts to other vector types. Implement store as
1644 succession of power-of-2 sized memcpy to avoid PR90424.
1646 2023-06-06 Matthias Kretz <m.kretz@gsi.de>
1649 * include/experimental/bits/simd_builtin.h (_S_masked_store):
1650 Call into deduced ABI's SimdImpl after conversion.
1651 * include/experimental/bits/simd_x86.h (_S_masked_store_nocvt):
1652 Don't use _mm_maskmoveu_si128. Use the generic fall-back
1653 implementation. Also fix masked stores without SSE2, which
1654 were not doing anything before.
1656 2023-06-06 Matthias Kretz <m.kretz@gsi.de>
1658 * include/experimental/bits/simd.h (__bit_cast): Use
1659 __gnu__::__vector_size__ instead of gnu::vector_size.
1661 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1664 * include/std/array (__array_traits<T, 0>::operator T*()): Make
1665 conversion operator explicit.
1666 (array::front): Use size_type as subscript operand.
1667 (array::data): Use static_cast to make conversion explicit.
1668 * testsuite/23_containers/array/element_access/110139.cc: New
1671 2023-06-06 Joseph Faulls <Joseph.Faulls@imgtec.com>
1673 * include/bits/locale_classes.tcc: Remove check for
1674 codecvt<char8_t, char, mbstate_t> facet.
1676 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1678 * src/filesystem/ops-common.h (do_copy_file) [O_CLOEXEC]: Set
1679 close-on-exec flag on file descriptors.
1681 2023-06-06 Jonathan Wakely <jwakely@redhat.com>
1684 * src/filesystem/ops-common.h (do_copy_file): Check for empty
1685 files by trying to read a character.
1686 * testsuite/27_io/filesystem/operations/copy_file_108178.cc:
1689 2023-06-06 Jannik Glückert <jannik.glueckert@gmail.com>
1691 * acinclude.m4 (_GLIBCXX_USE_COPY_FILE_RANGE): Define.
1692 * config.h.in: Regenerate.
1693 * configure: Regenerate.
1694 * src/filesystem/ops-common.h (copy_file_copy_file_range):
1695 Define new function.
1696 (do_copy_file): Use it.
1698 2023-06-06 Jannik Glückert <jannik.glueckert@gmail.com>
1700 * acinclude.m4 (_GLIBCXX_HAVE_LSEEK): Define.
1701 * config.h.in: Regenerate.
1702 * configure: Regenerate.
1703 * src/filesystem/ops-common.h (copy_file_sendfile): Define new
1704 function for sendfile logic. Loop to support large files. Skip
1706 (do_copy_file): Use it.
1708 2023-06-04 Jason Merrill <jason@redhat.com>
1711 * libsupc++/eh_call.cc (__cxa_call_terminate): Take void*.
1712 * config/abi/pre/gnu.ver: Add it.
1714 2023-06-02 François Dumont <fdumont@gcc.gnu.org>
1716 * include/parallel/algobase.h: Include <parallel/search.h>.
1718 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
1720 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc:
1721 Add const to equality operator.
1723 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
1725 * include/std/expected (expected::and_then, expected::or_else)
1726 (expected::transform_error): Use _M_val and _M_unex instead of
1727 calling value() and error(), as per LWG 3938.
1728 (expected::transform): Likewise. Remove incorrect std::move
1729 calls from lvalue overloads.
1730 (expected<void, E>::and_then, expected<void, E>::or_else)
1731 (expected<void, E>::transform): Use _M_unex instead of calling
1733 * testsuite/20_util/expected/lwg3877.cc: Add checks for and_then
1734 and transform, and for std::expected<void, E>.
1735 * testsuite/20_util/expected/lwg3938.cc: New test.
1737 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
1740 * include/bits/stl_vector.h (_Vector_base::_M_invariant):
1742 (vector::size, vector::capacity): Remove calls to _M_invariant.
1743 * include/bits/vector.tcc (vector::_M_fill_assign): Add
1744 optimization hint to reallocating path.
1745 (vector::_M_assign_aux(FwdIter, FwdIter, forward_iterator_tag)):
1747 * testsuite/23_containers/vector/capacity/invariant.cc: Moved
1749 * testsuite/23_containers/vector/modifiers/assign/no_realloc.cc:
1750 ...here. Check assign(FwdIter, FwdIter) too.
1751 * testsuite/23_containers/vector/types/1.cc: Revert addition
1752 of -Wno-stringop-overread option.
1754 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
1756 * doc/xml/manual/evolution.xml: Document removal of implicit
1757 allocator rebinding extensions in strict mode and for C++20.
1758 * doc/html/*: Regenerate.
1760 2023-06-01 Jason Merrill <jason@redhat.com>
1762 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Don't check
1763 handlers in the cleanup phase.
1765 2023-06-01 Matthias Kretz <m.kretz@gsi.de>
1768 * include/experimental/bits/simd.h (__vectorized_sizeof): With
1769 __have_neon_a32 only single-precision float works (in addition
1772 2023-06-01 François Dumont <fdumont@gcc.gnu.org>
1774 * include/bits/stl_algo.h
1775 (std::__search, std::search(_FwdIt1, _FwdIt1, _FwdIt2, _FwdIt2, _BinPred)): Move...
1776 * include/bits/stl_algobase.h: ...here.
1777 * include/std/functional: Replace <stl_algo.h> include by <stl_algobase.h>.
1778 * include/parallel/algo.h (std::__parallel::search<_FIt1, _FIt2, _BinaryPred>)
1779 (std::__parallel::__search_switch<_FIt1, _FIt2, _BinaryPred, _ItTag1, _ItTag2>):
1781 * include/parallel/algobase.h: ...here.
1782 * include/experimental/functional: Remove <bits/stl_algo.h> and <parallel/algorithm>
1783 includes. Include <bits/stl_algobase.h>.
1785 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1788 * acinclude.m4 (GLIBCXX_ENABLE_C99): Add separate check for
1789 float_t and double_t and define HAVE_C99_FLT_EVAL_TYPES.
1790 * config.h.in: Regenerate.
1791 * configure: Regenerate.
1792 * include/c_global/cmath (float_t, double_t): Guard using new
1793 _GLIBCXX_HAVE_C99_FLT_EVAL_TYPES macro.
1795 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1797 * acinclude.m4 (GLIBCXX_ENABLE_C99): Add checks for C99 math
1798 functions and define _GLIBCXX_USE_C99_MATH_FUNCS. Move checks
1799 for C99 rounding functions to here.
1800 (GLIBCXX_CHECK_C99_TR1): Remove checks for C99 rounding
1801 functions from here.
1802 * config.h.in: Regenerate.
1803 * configure: Regenerate.
1804 * include/bits/random.h: Use _GLIBCXX_USE_C99_MATH_FUNCS instead
1805 of _GLIBCXX_USE_C99_MATH_TR1.
1806 * include/bits/random.tcc: Likewise.
1807 * include/c_compatibility/math.h: Likewise.
1808 * include/c_global/cmath: Likewise.
1809 * include/ext/random: Likewise.
1810 * include/ext/random.tcc: Likewise.
1811 * include/std/complex: Likewise.
1812 * testsuite/20_util/from_chars/4.cc: Likewise.
1813 * testsuite/20_util/from_chars/8.cc: Likewise.
1814 * testsuite/26_numerics/complex/proj.cc: Likewise.
1815 * testsuite/26_numerics/headers/cmath/60401.cc: Likewise.
1816 * testsuite/26_numerics/headers/cmath/types_std_c++0x.cc:
1818 * testsuite/lib/libstdc++.exp (check_v3_target_cstdint):
1820 * testsuite/util/testsuite_random.h: Likewise.
1822 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1824 * include/bits/stl_vector.h (_Vector_base::_M_invariant()): New
1826 (vector::size(), vector::capacity()): Call _M_invariant().
1827 * testsuite/23_containers/vector/capacity/invariant.cc: New test.
1828 * testsuite/23_containers/vector/types/1.cc: Add suppression for
1829 false positive warning (PR110060).
1831 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1834 * src/c++17/floating_from_chars.cc: Check __FLT128_MANT_DIG__ is
1835 defined before trying to use _Float128.
1837 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1839 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Fix for 32-bit pointers
1840 to check __INT_PTR_WIDTH__ instead of sizeof(void*).
1841 * configure: Regenerate.
1843 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1845 * include/bits/unique_lock.h: Include <bits/error_constants.h>
1846 here for std::errc constants.
1847 * include/std/mutex: Do not include <bits/error_constants.h> and
1850 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1852 * configure.ac: Replace use of -o operator for test.
1853 * configure: Regenerate.
1855 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1857 * include/std/scoped_allocator (scoped_allocator_adaptor): Add
1858 noexcept to all constructors except the default constructor.
1859 (scoped_allocator_adaptor::inner_allocator): Add noexcept.
1860 (scoped_allocator_adaptor::outer_allocator): Likewise.
1861 * testsuite/20_util/scoped_allocator/noexcept.cc: New test.
1863 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1866 * include/std/limits (numeric_limits<__float128>): Define.
1867 * testsuite/18_support/numeric_limits/128bit.cc: New test.
1869 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1871 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Extend logic for avr and
1872 msp430 to all 16-bit targets.
1873 * configure: Regenerate.
1875 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1878 * src/c++17/floating_from_chars.cc (USE_STRTOF128_FOR_FROM_CHARS):
1879 Only define when USE_STRTOD_FOR_FROM_CHARS is also defined.
1880 (USE_STRTOD_FOR_FROM_CHARS): Do not undefine when long double is
1882 (from_chars(const char*, const char*, double&, chars_format)):
1883 Check __LDBL_MANT_DIG__ == __DBL_MANT_DIG__ here.
1884 (from_chars(const char*, const char*, _Float128&, chars_format))
1885 Only use from_chars_strtod when USE_STRTOD_FOR_FROM_CHARS is
1886 defined, otherwise parse a long double and convert to _Float128.
1888 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
1891 * include/std/iomanip (operator>>(basic_istream&, _Setfill)):
1892 Add deprecated attribute to non-standard overload.
1893 * doc/xml/manual/evolution.xml: Document deprecation.
1894 * doc/html/*: Regenerate.
1895 * testsuite/27_io/manipulators/standard/char/1.cc: Add
1896 dg-warning for expected deprecated warning.
1897 * testsuite/27_io/manipulators/standard/char/2.cc: Likewise.
1898 * testsuite/27_io/manipulators/standard/wchar_t/1.cc: Likewise.
1899 * testsuite/27_io/manipulators/standard/wchar_t/2.cc: Likewise.
1901 2023-05-30 Alexandre Oliva <oliva@adacore.com>
1903 * testsuite/20_util/from_chars/4.cc: Skip long double test06
1905 * testsuite/20_util/to_chars/long_double.cc: Xfail run on
1908 2023-05-30 Matthias Kretz <m.kretz@gsi.de>
1911 * include/experimental/bits/simd.h (to_native): Use int NTTP
1912 as specified in PTS2.
1913 (to_compatible): Likewise. Add missing tag to call mask
1915 * testsuite/experimental/simd/pr109822_cast_functions.cc: New
1918 2023-05-30 Matthias Kretz <m.kretz@gsi.de>
1920 * testsuite/experimental/simd/tests/integer_operators.cc:
1921 Compute expected value differently to avoid getting turned into
1924 2023-05-30 Matthias Kretz <m.kretz@gsi.de>
1926 * testsuite/experimental/simd/tests/operator_cvt.cc: Make long
1927 double <-> (u)long conversion tests conditional on sizeof(long
1928 double) and sizeof(long).
1930 2023-05-26 Matthias Kretz <m.kretz@gsi.de>
1932 * include/experimental/bits/simd_ppc.h (_S_bit_shift_left):
1933 Negative __y is UB, so prefer signed compare.
1935 2023-05-25 Jonathan Wakely <jwakely@redhat.com>
1937 * testsuite/util/testsuite_allocator.h (PointerBase): Add
1938 relational operators.
1940 2023-05-25 Alexandre Oliva <oliva@adacore.com>
1942 * testsuite/20_util/to_chars/long_double.cc: Expect execution
1943 fail on x86-vxworks.
1945 2023-05-24 Matthias Kretz <m.kretz@gsi.de>
1948 * include/experimental/bits/simd.h (__intrinsic_type): If
1949 __ALTIVEC__ is defined, map gnu::vector_size types to their
1950 corresponding __vector T types without losing unsignedness of
1951 integer types. Also prefer long long over long.
1952 * include/experimental/bits/simd_ppc.h (_S_popcount): Cast mask
1953 object to the expected unsigned vector type.
1955 2023-05-24 Matthias Kretz <m.kretz@gsi.de>
1958 * include/experimental/bits/simd.h (__intrinsic_type):
1959 Specialize __intrinsic_type<double, 8> and
1960 __intrinsic_type<double, 16> in any case, but provide the member
1961 type only with __aarch64__.
1963 2023-05-24 Matthias Kretz <m.kretz@gsi.de>
1966 * include/experimental/bits/simd_neon.h (_S_reduce): Add
1967 constexpr and make NEON implementation conditional on
1968 not __builtin_is_constant_evaluated.
1970 2023-05-23 Matthias Kretz <m.kretz@gsi.de>
1973 * include/experimental/bits/simd.h (_SimdWrapper::_M_set):
1974 Avoid vector builtin subscripting in constant expressions.
1975 (resizing_simd_cast): Avoid memcpy if constant_evaluated.
1976 (const_where_expression, where_expression, where)
1977 (__extract_part, simd_mask, _SimdIntOperators, simd): Add either
1978 _GLIBCXX_SIMD_CONSTEXPR (on public APIs), or constexpr (on
1980 * include/experimental/bits/simd_builtin.h (__vector_permute)
1981 (__vector_shuffle, __extract_part, _GnuTraits::_SimdCastType1)
1982 (_GnuTraits::_SimdCastType2, _SimdImplBuiltin)
1983 (_MaskImplBuiltin::_S_store): Add constexpr.
1984 (_CommonImplBuiltin::_S_store_bool_array)
1985 (_SimdImplBuiltin::_S_load, _SimdImplBuiltin::_S_store)
1986 (_SimdImplBuiltin::_S_reduce, _MaskImplBuiltin::_S_load): Add
1987 constant_evaluated case.
1988 * include/experimental/bits/simd_fixed_size.h
1989 (_S_masked_load): Reword comment.
1990 (__tuple_element_meta, __make_meta, _SimdTuple::_M_apply_r)
1991 (_SimdTuple::_M_subscript_read, _SimdTuple::_M_subscript_write)
1992 (__make_simd_tuple, __optimize_simd_tuple, __extract_part)
1993 (__autocvt_to_simd, _Fixed::__traits::_SimdBase)
1994 (_Fixed::__traits::_SimdCastType, _SimdImplFixedSize): Add
1996 (_SimdTuple::operator[], _M_set): Add constexpr and add
1997 constant_evaluated case.
1998 (_MaskImplFixedSize::_S_load): Add constant_evaluated case.
1999 * include/experimental/bits/simd_scalar.h: Add constexpr.
2000 * include/experimental/bits/simd_x86.h (_CommonImplX86): Add
2001 constexpr and add constant_evaluated case.
2002 (_SimdImplX86::_S_equal_to, _S_not_equal_to, _S_less)
2003 (_S_less_equal): Value-initialize to satisfy constexpr
2005 (_MaskImplX86::_S_load): Add constant_evaluated case.
2006 (_MaskImplX86::_S_store): Add constexpr and constant_evaluated
2007 case. Value-initialize local variables.
2008 (_MaskImplX86::_S_logical_and, _S_logical_or, _S_bit_not)
2009 (_S_bit_and, _S_bit_or, _S_bit_xor): Add constant_evaluated
2011 * testsuite/experimental/simd/pr109261_constexpr_simd.cc: New
2014 2023-05-22 Matthias Kretz <m.kretz@gsi.de>
2016 * include/experimental/bits/simd_builtin.h (_S_fpclassify): Move
2017 __infn into #ifdef'ed block.
2018 * testsuite/experimental/simd/tests/fpclassify.cc: Declare
2019 constants only when used.
2020 * testsuite/experimental/simd/tests/frexp.cc: Likewise.
2021 * testsuite/experimental/simd/tests/logarithm.cc: Likewise.
2022 * testsuite/experimental/simd/tests/trunc_ceil_floor.cc:
2024 * testsuite/experimental/simd/tests/ldexp_scalbn_scalbln_modf.cc:
2025 Move totest and expect1 into #ifdef'ed block.
2027 2023-05-19 Gerald Pfeifer <gerald@pfeifer.com>
2029 * doc/xml/manual/strings.xml: Move lafstern.org reference to https.
2030 * doc/html/manual/strings.html: Regenerate.
2032 2023-05-17 Jakub Jelinek <jakub@redhat.com>
2035 * testsuite/26_numerics/headers/cmath/constexpr_std_c++23.cc: New test.
2037 2023-05-17 Jakub Jelinek <jakub@redhat.com>
2040 * include/c_global/cmath (atan2, fmod, pow): Move
2041 __gnu_cxx::__promote_2 using templates after _Float{16,32,64,128} and
2042 __gnu_cxx::__bfloat16_t overloads.
2043 (copysign, fdim, fmax, fmin, hypot, nextafter, remainder, remquo):
2045 (fma): Move __gnu_cxx::__promote_3 using template after
2046 _Float{16,32,64,128} and __gnu_cxx::__bfloat16_t overloads.
2048 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
2050 * testsuite/18_support/headers/limits/synopsis.cc: Uncomment
2051 checks for float_round_style and float_denorm_style.
2053 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
2055 * include/bits/c++config: Add system_header pragma.
2057 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
2059 * include/std/expected (expected::and_then, expected::or_else)
2060 (expected::transform, expected::transform_error): Fix exception
2061 specifications as per LWG 3877.
2062 (expected<void, E>::and_then, expected<void, E>::transform):
2064 * testsuite/20_util/expected/lwg3877.cc: New test.
2066 2023-05-17 Ken Matsui <kmatsui@cs.washington.edu>
2068 * include/std/type_traits: Use __bool_constant instead of
2071 2023-05-17 Jonathan Wakely <jwakely@redhat.com>
2073 * configure: Regenerate.
2075 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2078 * acinclude.m4 (GLIBCXX_CHECK_ALIGNAS_CACHELINE): Define.
2079 * config.h.in: Regenerate.
2080 * configure: Regenerate.
2081 * configure.ac: Use GLIBCXX_CHECK_ALIGNAS_CACHELINE.
2082 * src/c++11/shared_ptr.cc (__gnu_internal::get_mutex): Do not
2083 align lock table if not supported. use __GCC_DESTRUCTIVE_SIZE
2084 instead of hardcoded 64.
2086 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2088 * acinclude.m4 (GLIBCXX_USE_C99): Check for isblank in C++11
2089 mode and define _GLIBCXX_USE_C99_CTYPE. Check for <fenv.h>
2090 functions in C++11 mode and define _GLIBCXX_USE_C99_FENV.
2091 * config.h.in: Regenerate.
2092 * configure: Regenerate.
2093 * include/c_compatibility/fenv.h: Check _GLIBCXX_USE_C99_FENV
2094 instead of _GLIBCXX_USE_C99_FENV_TR1.
2095 * include/c_global/cfenv: Likewise.
2096 * include/c_global/cctype: Check _GLIBCXX_USE_C99_CTYPE instead
2097 of _GLIBCXX_USE_C99_CTYPE_TR1.
2099 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2101 * acinclude.m4 (GLIBCXX_USE_C99): Check for <stdint.h> types in
2102 C++11 mode and define _GLIBCXX_USE_C99_STDINT. Check for
2103 <inttypes.h> features in C++11 mode and define
2104 _GLIBCXX_USE_C99_INTTYPES and _GLIBCXX_USE_C99_INTTYPES_WCHAR_T.
2105 * config.h.in: Regenerate.
2106 * configure: Regenerate.
2107 * doc/doxygen/user.cfg.in (PREDEFINED): Add new macros.
2108 * include/bits/chrono.h: Check _GLIBCXX_USE_C99_STDINT instead
2109 of _GLIBCXX_USE_C99_STDINT_TR1.
2110 * include/c_compatibility/inttypes.h: Check
2111 _GLIBCXX_USE_C99_INTTYPES and _GLIBCXX_USE_C99_INTTYPES_WCHAR_T
2112 instead of _GLIBCXX_USE_C99_INTTYPES_TR1 and
2113 _GLIBCXX_USE_C99_INTTYPES_WCHAR_T_TR1.
2114 * include/c_compatibility/stdatomic.h: Check
2115 _GLIBCXX_USE_C99_STDINT instead of _GLIBCXX_USE_C99_STDINT_TR1.
2116 * include/c_compatibility/stdint.h: Likewise.
2117 * include/c_global/cinttypes: Check _GLIBCXX_USE_C99_INTTYPES
2118 and _GLIBCXX_USE_C99_INTTYPES_WCHAR_T instead of
2119 _GLIBCXX_USE_C99_INTTYPES_TR1 and
2120 _GLIBCXX_USE_C99_INTTYPES_WCHAR_T_TR1.
2121 * include/c_global/cstdint: Check _GLIBCXX_USE_C99_STDINT
2122 instead of _GLIBCXX_USE_C99_STDINT_TR1.
2123 * include/std/atomic: Likewise.
2124 * src/c++11/cow-stdexcept.cc: Likewise.
2125 * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc:
2127 * testsuite/lib/libstdc++.exp (check_v3_target_cstdint):
2130 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2132 * acinclude.m4 (GLIBCXX_USE_C99): Check for complex inverse trig
2133 functions in C++11 mode and define _GLIBCXX_USE_C99_COMPLEX_ARC.
2134 * config.h.in: Regenerate.
2135 * configure: Regenerate.
2136 * doc/doxygen/user.cfg.in (PREDEFINED): Add new macro.
2137 * include/std/complex: Check _GLIBCXX_USE_C99_COMPLEX_ARC
2138 instead of _GLIBCXX_USE_C99_COMPLEX_TR1.
2140 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2142 * testsuite/ext/debug_allocator/check_deallocate_null.cc: Add
2143 assertion to ensure expected exception is throw.
2145 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2147 * testsuite/libstdc++-prettyprinters/chrono.cc: Only test
2148 printer for chrono::zoned_time for cx11 ABI and tzdb effective
2151 2023-05-16 Jonathan Wakely <jwakely@redhat.com>
2153 * acinclude.m4 (GLIBCXX_CHECK_PTHREAD_MUTEX_CLOCKLOCK): Define
2154 _GLIBCXX_USE_PTHREAD_MUTEX_CLOCKLOCK in terms of _GLIBCXX_TSAN.
2155 * configure: Regenerate.
2157 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2159 * acinclude.m4 (GLIBCXX_CHECK_C99_TR1): Use a non-null pointer
2160 to check for nan, nanf, and nanl.
2161 * configure: Regenerate.
2163 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2165 * include/bits/char_traits.h (char_traits<char16_t>): Do not
2166 depend on _GLIBCXX_USE_C99_STDINT_TR1.
2167 (char_traits<char32_t>): Likewise.
2168 * include/experimental/source_location: Likewise.
2170 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2172 * include/std/atomic (atomic_int_least8_t, atomic_uint_least8_t)
2173 (atomic_int_least16_t, atomic_uint_least16_t)
2174 (atomic_int_least32_t, atomic_uint_least32_t)
2175 (atomic_int_least64_t, atomic_uint_least64_t)
2176 (atomic_int_fast16_t, atomic_uint_fast16_t)
2177 (atomic_int_fast32_t, atomic_uint_fast32_t)
2178 (atomic_int_fast64_t, atomic_uint_fast64_t)
2179 (atomic_intmax_t, atomic_uintmax_t): Define unconditionally.
2180 * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc: Adjust.
2182 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2184 * include/bits/algorithmfwd.h (shuffle): Do not depend on
2185 _GLIBCXX_USE_C99_STDINT_TR1.
2186 * include/bits/ranges_algo.h (shuffle): Likewise.
2187 * include/bits/stl_algo.h (shuffle): Likewise.
2188 * include/ext/random: Likewise.
2189 * include/ext/throw_allocator.h (random_condition): Likewise.
2190 * include/std/random: Likewise.
2191 * src/c++11/cow-string-inst.cc: Likewise.
2192 * src/c++11/random.cc: Likewise.
2194 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2196 * testsuite/experimental/feat-cxx14.cc: Remove dependency on
2197 _GLIBCXX_USE_C99_STDINT_TR1.
2199 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2201 * testsuite/22_locale/locale/cons/unicode.cc: Remove dependency
2202 on _GLIBCXX_USE_C99_STDINT_TR1.
2204 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
2206 * testsuite/21_strings/basic_string_view/typedefs.cc: Remove
2207 dependency on _GLIBCXX_USE_C99_STDINT_TR1.
2208 * testsuite/experimental/string_view/typedefs.cc: Likewise.
2210 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
2212 * src/c++17/floating_from_chars.cc [USE_STRTOD_FOR_FROM_CHARS]
2213 (auto_locale, auto_ferounding): New class types.
2214 (from_chars_impl): Use auto_locale and auto_ferounding.
2216 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
2219 * include/std/chrono (hh_mm_ss::__fits): Remove variable
2221 (hh_mm_ss::__subseconds): Remove __fits from constraints.
2222 * testsuite/std/time/hh_mm_ss/109772.cc: New test.
2223 * testsuite/std/time/hh_mm_ss/1.cc: Adjust expected size for
2224 hh_mm_ss<duration<int, std::pico>>.
2226 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
2228 * config/abi/pre/gnu.ver: Export basic_string::_S_allocate.
2229 * include/bits/basic_ios.h: Add static assertion checking
2230 traits_type::value_type.
2231 * include/bits/basic_string.h: Likewise. Do not rebind
2232 allocator, and add static assertion checking its value_type.
2233 (basic_string::_Alloc_traits_impl): Remove class template.
2234 (basic_string::_S_allocate): New static member function.
2235 (basic_string::assign): Use _S_allocate.
2236 * include/bits/basic_string.tcc (basic_string::_M_create)
2237 (basic_string::reserve, basic_string::_M_replace): Likewise.
2238 * testsuite/21_strings/basic_string/requirements/explicit_instantiation/debug.cc:
2239 Disable for C++20 and later.
2240 * testsuite/21_strings/basic_string/requirements/explicit_instantiation/int.cc:
2243 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
2246 * include/bits/std_abs.h (abs(__float128)): Handle negative NaN
2247 and negative zero correctly.
2248 * testsuite/26_numerics/headers/cmath/109758.cc: New test.
2250 2023-05-10 François Dumont <fdumont@gcc.gnu.org>
2252 * include/bits/hashtable_policy.h
2253 (_NodeBuilder<>::_S_build): Use __node_ptr.
2254 (_ReuseOrAllocNode<>): Use __node_ptr in place of __node_type*.
2255 (_AllocNode<>): Likewise.
2256 (_Equality<>::_M_equal): Remove const_iterator usages. Only preserved
2257 to call std::is_permutation in the non-unique key implementation.
2258 * include/bits/hashtable.h (_Hashtable<>::_M_update_begin()): Capture
2260 (_Hashtable<>::_M_bucket_begin(size_type)): Implement implicitly inline.
2261 (_Hashtable<>::_M_insert_bucket_begin): Likewise.
2262 (_Hashtable<>::_M_remove_bucket_begin): Likewise.
2263 (_Hashtable<>::_M_compute_hash_code): Use __node_ptr rather than
2265 (_Hashtable<>::find): Likewise.
2266 (_Hashtable<>::_M_emplace): Likewise.
2267 (_Hashtable<>::_M_insert_unique): Likewise.
2269 2023-05-09 Jonathan Wakely <jwakely@redhat.com>
2271 * python/libstdcxx/v6/printers.py (StdChronoDurationPrinter):
2272 Print floating-point durations correctly.
2273 (StdChronoTimePointPrinter): Support printing only the value,
2274 not the type name. Uncomment handling for known clocks.
2275 (StdChronoZonedTimePrinter): Remove type names from output.
2276 (StdChronoCalendarPrinter): Fix hh_mm_ss member access.
2277 (StdChronoTimeZonePrinter): Add equals sign to output.
2278 * testsuite/libstdc++-prettyprinters/chrono.cc: New test.
2280 2023-05-05 Alexandre Oliva <oliva@adacore.com>
2282 * testsuite/20_util/from_chars/4.cc: Skip long double test06
2284 * testsuite/20_util/to_chars/long_double.cc: Xfail run on
2287 2023-05-04 Jonathan Wakely <jwakely@redhat.com>
2289 * doc/xml/manual/abi.xml (abi.versioning.history): Document
2290 libstdc++.so.6.0.32 and GLIBCXX_3.4.32 version.
2291 * doc/html/manual/abi.html: Regenerate.
2293 2023-05-04 Florian Weimer <fweimer@redhat.com>
2295 * doc/xml/manual/abi.xml (abi.versioning.history): Add
2296 GCC_7.0.0, GCC_9.0.0, GCC_11.0, GCC_12.0.0, GCC_13.0.0 for
2299 2023-05-03 Jakub Jelinek <jakub@redhat.com>
2301 * src/c++17/floating_from_chars.cc
2302 (_ZSt10from_charsPKcS0_RDF128_St12chars_format): New alias to
2303 _ZSt10from_charsPKcS0_Ru9__ieee128St12chars_format.
2304 * src/c++17/floating_to_chars.cc (_ZSt8to_charsPcS_DF128_): New alias to
2305 _ZSt8to_charsPcS_u9__ieee128.
2306 (_ZSt8to_charsPcS_DF128_St12chars_format): New alias to
2307 _ZSt8to_charsPcS_u9__ieee128St12chars_format.
2308 (_ZSt8to_charsPcS_DF128_St12chars_formati): New alias to
2309 _ZSt8to_charsPcS_u9__ieee128St12chars_formati.
2310 * config/abi/post/powerpc64le-linux-gnu/baseline_symbols.txt: Updated.
2312 2023-05-03 Jakub Jelinek <jakub@redhat.com>
2314 * configure.host (abi_baseline_pair): Use powerpc64le-linux-gnu
2315 rather than powerpc64-linux-gnu for powerpc64le*-linux*.
2316 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Remove
2317 _ZTI*DF128_, _ZTI*DF64x symbols and symbols in
2318 GLIBCXX_IEEE128_3.4.{29,30,31} and CXXABI_IEEE128_1.3.13 symbol
2320 * config/abi/post/powerpc64le-linux-gnu/baseline_symbols.txt: New
2323 2023-05-03 Kefu Chai <kefu.chai@scylladb.com>
2324 Jonathan Wakely <jwakely@redhat.com>
2327 * include/bits/basic_string.h (basic_string(Iter, Iter, Alloc)):
2328 Initialize _M_string_length.
2330 2023-05-02 Jakub Jelinek <jakub@redhat.com>
2332 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
2333 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
2334 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
2335 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
2336 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
2337 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
2338 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
2339 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2341 2023-05-02 Jakub Jelinek <jakub@redhat.com>
2344 * src/c++98/ios_init.cc: Add #pragma GCC diagnostic ignored for
2347 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
2349 * include/bits/random.h (gamma_distribution): Add to the right
2351 (discrete_distribution, piecewise_constant_distribution)
2352 (piecewise_linear_distribution): Create a new doxygen group and
2353 fix the incomplete doxygen comments.
2354 * include/bits/uniform_int_dist.h (uniform_int_distribution):
2355 Add to doxygen group.
2357 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
2359 * include/bits/uses_allocator.h: Add missing @file comment.
2360 * include/bits/regex.tcc: Remove stray doxygen comments.
2361 * include/experimental/memory_resource: Likewise.
2362 * include/std/bit: Tweak doxygen @cond comments.
2363 * include/std/expected: Likewise.
2364 * include/std/numbers: Likewise.
2366 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
2368 * doc/doxygen/user.cfg.in (STRIP_FROM_PATH): Remove prefixes
2371 2023-04-28 Jonathan Wakely <jwakely@redhat.com>
2373 * include/bits/move.h: Simplify opening/closing namespace std.
2375 2023-04-28 Jakub Jelinek <jakub@redhat.com>
2378 * config/abi/pre/gnu.ver (GLIBCXX_3.4.32): Export
2379 _ZSt21ios_base_library_initv.
2380 * testsuite/util/testsuite_abi.cc (check_version): Add GLIBCXX_3.4.32
2381 symver and make it the latestp.
2382 * src/c++98/ios_init.cc (ios_base_library_init): New alias.
2383 * acinclude.m4 (libtool_VERSION): Change to 6:32:0.
2384 * include/std/iostream: If init_priority attribute is supported
2385 and _GLIBCXX_SYMVER_GNU, force undefined _ZSt21ios_base_library_initv
2386 symbol into the object.
2387 * configure: Regenerated.
2389 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2391 * include/bits/mofunc_impl.h: Fix typo in doxygen comment.
2392 * include/std/format: Likewise.
2394 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2396 * doc/doxygen/user.cfg.in (FORMULA_TRANSPARENT, DOT_FONTNAME)
2397 (DOT_FONTSIZE, DOT_TRANSPARENT): Remove obsolete options.
2399 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2401 * doc/doxygen/user.cfg.in (SOURCE_BROWSER): Only set to YES for
2403 * include/bits/gslice_array.h (_DEFINE_VALARRAY_OPERATOR): Omit
2405 * include/bits/indirect_array.h (_DEFINE_VALARRAY_OPERATOR):
2407 * include/bits/mask_array.h (_DEFINE_VALARRAY_OPERATOR):
2409 * include/bits/slice_array.h (_DEFINE_VALARRAY_OPERATOR):
2411 * include/std/valarray (_DEFINE_VALARRAY_UNARY_OPERATOR)
2412 (_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT)
2413 (_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT)
2414 (_DEFINE_BINARY_OPERATOR): Likewise.
2416 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2418 * include/bits/memory_resource.h: Improve doxygen comments.
2419 * include/std/memory_resource: Likewise.
2421 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2424 * include/bits/basic_string.h: Improve doxygen comments.
2425 * include/bits/cow_string.h: Likewise.
2426 * include/bits/forward_list.h: Likewise.
2427 * include/bits/fs_dir.h: Likewise.
2428 * include/bits/fs_path.h: Likewise.
2429 * include/bits/quoted_string.h: Likewise.
2430 * include/bits/stl_bvector.h: Likewise.
2431 * include/bits/stl_map.h: Likewise.
2432 * include/bits/stl_multimap.h: Likewise.
2433 * include/bits/stl_multiset.h: Likewise.
2434 * include/bits/stl_set.h: Likewise.
2435 * include/bits/stl_vector.h: Likewise.
2436 * include/bits/unordered_map.h: Likewise.
2437 * include/bits/unordered_set.h: Likewise.
2438 * include/std/filesystem: Likewise.
2439 * include/std/iomanip: Likewise.
2441 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
2444 * src/c++11/random.cc (__throw_syserr): New function.
2445 (random_device::_M_init, random_device::_M_init_pretr1): Use new
2446 function for bad tokens.
2447 (random_device::_M_getval): Use new function for read errors.
2448 * testsuite/util/testsuite_random.h (random_device_available):
2449 Change catch handler to use std::system_error.
2451 2023-04-24 Patrick Palka <ppalka@redhat.com>
2453 * include/bits/max_size_type.h (__max_diff_type::operator>>=):
2454 Fix propagation of sign bit.
2455 * testsuite/std/ranges/iota/max_size_type.cc: Avoid using the
2456 non-standard 'signed typedef-name'. Add some compile-time tests
2457 for right-shifting a negative __max_diff_type value by more than
2460 2023-04-19 Patrick Palka <ppalka@redhat.com>
2461 Jonathan Wakely <jwakely@redhat.com>
2464 * include/bits/utility.h (_Nth_type): Conditionally define in
2465 terms of __type_pack_element if available.
2466 * testsuite/20_util/tuple/element_access/get_neg.cc: Prune
2467 additional errors from the new built-in.
2469 2023-04-19 Jonathan Wakely <jwakely@redhat.com>
2472 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2475 * src/Makefile.am: Move globals_io.cc to here.
2476 * src/Makefile.in: Regenerate.
2477 * src/c++98/Makefile.am: Remove globals_io.cc from here.
2478 * src/c++98/Makefile.in: Regenerate.
2479 * src/c++98/globals_io.cc [_GLIBCXX_SYMVER_GNU] (cin): Adjust
2480 symbol name and then export with GLIBCXX_3.4.31 symver.
2481 (cout, cerr, clog, wcin, wcout, wcerr, wclog): Likewise.
2482 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt:
2484 * config/abi/post/i486-linux-gnu/baseline_symbols.txt:
2486 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt:
2488 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt:
2490 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt:
2492 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt:
2494 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt:
2496 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt:
2498 * config/abi/pre/gnu.ver: Add iostream objects to new symver.
2500 2023-04-19 Jonathan Wakely <jwakely@redhat.com>
2503 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2506 * config/abi/pre/gnu.ver: Fix preprocessor condition.
2508 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2510 * doc/xml/manual/extensions.xml: Fix example to declare and
2511 qualify std::free, and use NULL instead of 0.
2512 * doc/html/manual/ext_demangling.html: Regenerate.
2513 * libsupc++/cxxabi.h: Adjust doxygen comments.
2515 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2518 * config/abi/pre/gnu.ver: Fix preprocessor condition.
2520 2023-04-18 Jonathan Wakely <jwakely@redhat.com>
2523 * src/Makefile.am: Move globals_io.cc to here.
2524 * src/Makefile.in: Regenerate.
2525 * src/c++98/Makefile.am: Remove globals_io.cc from here.
2526 * src/c++98/Makefile.in: Regenerate.
2527 * src/c++98/globals_io.cc [_GLIBCXX_SYMVER_GNU] (cin): Adjust
2528 symbol name and then export with GLIBCXX_3.4.31 symver.
2529 (cout, cerr, clog, wcin, wcout, wcerr, wclog): Likewise.
2530 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt:
2532 * config/abi/post/i486-linux-gnu/baseline_symbols.txt:
2534 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt:
2536 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt:
2538 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt:
2540 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt:
2542 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt:
2544 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt:
2546 * config/abi/pre/gnu.ver: Add iostream objects to new symver.
2548 2023-04-18 Patrick Palka <ppalka@redhat.com>
2551 * include/bits/ranges_cmp.h (__cpp_lib_ranges): Bump value
2553 * include/std/ranges (range_adaptor_closure): Define for C++23.
2554 * include/std/version (__cpp_lib_ranges): Bump value for
2556 * testsuite/std/ranges/version_c++23.cc: Bump expected value
2557 of __cpp_lib_ranges.
2558 * testsuite/std/ranges/range_adaptor_closure.cc: New test.
2560 2023-04-18 Patrick Palka <ppalka@redhat.com>
2562 * include/bits/ranges_algo.h (__cpp_lib_ranges_contains):
2564 (__cpp_lib_ranges_iota): Likewise.
2565 (__cpp_lib_ranges_find_last): Likewise.
2566 (__cpp_lib_fold): Rename to ...
2567 (__cpp_lib_ranges_fold): ... this.
2568 * include/std/version: As above.
2569 * testsuite/25_algorithms/fold_left/1.cc: Adjust after
2570 renaming __cpp_lib_fold.
2571 * testsuite/std/ranges/version_c++23.cc: Verify values
2572 of the above feature-test macros.
2574 2023-04-18 Patrick Palka <ppalka@redhat.com>
2577 * include/std/ranges (views::_AsConst::operator()): Add
2578 missing const to constant_range test.
2579 * testsuite/std/ranges/adaptors/as_const/1.cc (test02):
2580 Improve formatting. Adjust expected type of v2.
2583 2023-04-14 Patrick Palka <ppalka@redhat.com>
2585 * include/bits/ranges_base.h (const_iterator_t): Define for C++23.
2586 (const_sentinel_t): Likewise.
2587 (range_const_reference_t): Likewise.
2588 (constant_range): Likewise.
2589 (__cust_access::__possibly_const_range): Likewise, replacing ...
2590 (__cust_access::__as_const): ... this.
2591 (__cust_access::_CBegin::operator()): Redefine for C++23 as per P2278R4.
2592 (__cust_access::_CEnd::operator()): Likewise.
2593 (__cust_access::_CRBegin::operator()): Likewise.
2594 (__cust_access::_CREnd::operator()): Likewise.
2595 (__cust_access::_CData::operator()): Likewise.
2596 * include/bits/ranges_util.h (ranges::__detail::__different_from):
2597 Make it an alias of std::__detail::__different_from.
2598 (view_interface::cbegin): Define for C++23.
2599 (view_interface::cend): Likewise.
2600 * include/bits/stl_iterator.h (__detail::__different_from): Define.
2601 (iter_const_reference_t): Define for C++23.
2602 (__detail::__constant_iterator): Likewise.
2603 (__detail::__is_const_iterator): Likewise.
2604 (__detail::__not_a_const_iterator): Likewise.
2605 (__detail::__iter_const_rvalue_reference_t): Likewise.
2606 (__detail::__basic_const_iter_cat):: Likewise.
2607 (const_iterator): Likewise.
2608 (__detail::__const_sentinel): Likewise.
2609 (const_sentinel): Likewise.
2610 (basic_const_iterator): Likewise.
2611 (common_type<basic_const_iterator<_Tp>, _Up>): Likewise.
2612 (common_type<_Up, basic_const_iterator<_Tp>>): Likewise.
2613 (common_type<basic_const_iterator<_Tp>, basic_const_iterator<Up>>):
2615 (make_const_iterator): Define for C++23.
2616 (make_const_sentinel): Likewise.
2617 * include/std/ranges (__cpp_lib_ranges_as_const): Likewise.
2618 (as_const_view): Likewise.
2619 (enable_borrowed_range<as_const_view>): Likewise.
2620 (views::__detail::__is_ref_view): Likewise.
2621 (views::__detail::__can_is_const_view): Likewise.
2622 (views::_AsConst, views::as_const): Likewise.
2623 * include/std/span (span::const_iterator): Likewise.
2624 (span::const_reverse_iterator): Likewise.
2625 (span::cbegin): Likewise.
2626 (span::cend): Likewise.
2627 (span::crbegin): Likewise.
2628 (span::crend): Likewise.
2629 * include/std/version (__cpp_lib_ranges_as_const): Likewise.
2630 * testsuite/std/ranges/adaptors/join.cc (test06): Adjust to
2631 behave independently of C++20 vs C++23.
2632 * testsuite/std/ranges/version_c++23.cc: Verify value of
2633 __cpp_lib_ranges_as_const macro.
2634 * testsuite/24_iterators/const_iterator/1.cc: New test.
2635 * testsuite/std/ranges/adaptors/as_const/1.cc: New test.
2637 2023-04-14 Patrick Palka <ppalka@redhat.com>
2639 * include/bits/ranges_base.h (__cust_access::__as_const)
2640 (__cust_access::_CBegin, __cust::cbegin)
2641 (__cust_access::_CEnd, __cust::cend)
2642 (__cust_access::_CRBegin, __cust::crbegin)
2643 (__cust_access::_CREnd, __cust::crend)
2644 (__cust_access::_CData, __cust::cdata): Move down definitions to
2645 shortly after the definition of input_range.
2647 2023-04-14 Patrick Palka <ppalka@redhat.com>
2649 * include/bits/ranges_algo.h: Include <optional> for C++23.
2650 (__cpp_lib_fold): Define for C++23.
2651 (in_value_result): Likewise.
2652 (__detail::__flipped): Likewise.
2653 (__detail::__indirectly_binary_left_foldable_impl): Likewise.
2654 (__detail::__indirectly_binary_left_foldable): Likewise.
2655 (___detail:__indirectly_binary_right_foldable): Likewise.
2656 (fold_left_with_iter_result): Likewise.
2657 (__fold_left_with_iter_fn, fold_left_with_iter): Likewise.
2658 (__fold_left_fn, fold_left): Likewise.
2659 (__fold_left_first_with_iter_fn, fold_left_first_with_iter):
2661 (__fold_left_first_fn, fold_left_first): Likewise.
2662 (__fold_right_fn, fold_right): Likewise.
2663 (__fold_right_last_fn, fold_right_last): Likewise.
2664 * include/std/version (__cpp_lib_fold): Likewise.
2665 * testsuite/25_algorithms/fold_left/1.cc: New test.
2666 * testsuite/25_algorithms/fold_right/1.cc: New test.
2668 2023-04-14 Jonathan Wakely <jwakely@redhat.com>
2670 * include/std/format (formatter): Add comment to deleted default
2671 constructor of primary template.
2672 (_Checking_scanner): Add static_assert.
2674 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
2676 * doc/xml/manual/using.xml: Document libstdc++exp.a library.
2677 * doc/html/*: Regenerate.
2679 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
2681 * testsuite/17_intro/names.cc [_AIX]: Do not define policy.
2682 * testsuite/19_diagnostics/error_code/cons/lwg3629.cc: Rename
2683 namespace to avoid clashing with libc struct.
2684 * testsuite/19_diagnostics/error_condition/cons/lwg3629.cc:
2686 * testsuite/23_containers/unordered_map/96088.cc: Skip on AIX.
2687 * testsuite/23_containers/unordered_multimap/96088.cc: Likewise.
2688 * testsuite/23_containers/unordered_multiset/96088.cc: Likewise.
2689 * testsuite/23_containers/unordered_set/96088.cc: Likewise.
2690 * testsuite/experimental/synchronized_value.cc: Require gthreads
2691 and add missing option for pthreads targets.
2693 2023-04-12 Patrick Palka <ppalka@redhat.com>
2695 * include/std/ranges (__cpp_lib_ranges_enumerate): Define
2697 (__detail::__range_with_movable_reference): Likewise.
2698 (enumerate_view): Likewise.
2699 (enumerate_view::_Iterator): Likewise.
2700 (enumerate_view::_Sentinel): Likewise.
2701 (views::__detail::__can_enumerate_view): Likewise.
2702 (views::_Enumerate, views::enumerate): Likewise.
2703 * include/std/version (__cpp_lib_ranges_enumerate): Likewise.
2704 * testsuite/std/ranges/version_c++23.cc: Verify value of
2705 __cpp_lib_ranges_enumerate.
2706 * testsuite/std/ranges/adaptors/enumerate/1.cc: New test.
2708 2023-04-12 Patrick Palka <ppalka@redhat.com>
2710 * include/std/ranges (lazy_split_view::_OuterIter::_OuterIter):
2711 Propagate _M_trailing_empty in the const-converting constructor
2713 * testsuite/std/ranges/adaptors/adjacent/1.cc (test04): Correct
2715 * testsuite/std/ranges/adaptors/lazy_split.cc (test12): New test.
2717 2023-04-12 Patrick Palka <ppalka@redhat.com>
2719 * src/c++17/floating_from_chars.cc: Include <algorithm>,
2720 <iterator>, <limits> and <cstdint>.
2722 2023-04-12 Patrick Palka <ppalka@redhat.com>
2725 * include/std/ranges (chunk_by_view::_M_find_next): Generalize
2726 parameter types of the lambda wrapper passed to adjacent_find.
2727 (chunk_by_view::_M_find_prev): Likewise.
2728 * testsuite/std/ranges/adaptors/chunk_by/1.cc (test04, test05):
2731 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
2734 * include/experimental/internet (basic_endpoint::basic_endpoint()):
2735 Ensure that the required union members are active. Only define
2736 as constexpr for C++20 and later.
2737 (basic_endpoint::basic_endpoint(const protocol_type&, port_type)):
2739 * testsuite/experimental/net/internet/endpoint/cons.cc: Only
2740 check constexpr default constructor for C++20 and later.
2741 * testsuite/experimental/net/internet/endpoint/extensible.cc:
2744 2023-04-12 Jonathan Wakely <jwakely@redhat.com>
2746 * src/c++20/tzdata.zi: Import new file from 2023c release.
2748 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
2750 * include/precompiled/stdc++.h (C++17): Don't double-include
2751 <charconv>, once with wrong conditions.
2752 * testsuite/18_support/96817.cc: Require hosted.
2753 * testsuite/18_support/bad_exception/59392.cc: Ditto.
2754 * testsuite/20_util/scoped_allocator/108952.cc: Ditto.
2755 * testsuite/20_util/uses_allocator/lwg3527.cc: Ditto.
2756 * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
2759 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
2761 * include/bits/c++config: When __STDC_HOSTED__ is zero,
2762 disable _GLIBCXX_DEBUG and, if it was set, enable
2763 _GLIBCXX_ASSERTIONS.
2764 * testsuite/lib/libstdc++.exp (check_v3_target_debug_mode):
2765 Include <bits/c++config.h> when determining whether debug is
2766 set, in order to inherit the logic from above
2768 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
2770 * testsuite/17_intro/versionconflict.cc: New test.
2771 * include/std/version: Allow disabling the system_header pragma
2772 via _GLIBCXX_TESTING_SYSHDR.
2774 2023-04-05 Arsen Arsenović <arsen@aarsen.me>
2776 * include/bits/unique_ptr.h (__cpp_lib_constexpr_memory):
2777 Synchronize the definition block with...
2778 * include/bits/ptr_traits.h (__cpp_lib_constexpr_memory):
2779 ... this one here. Also define the 202202L value, rather than
2780 leaving it up to purely unique_ptr.h, so that the value is
2781 synchronized across all headers.
2782 (__gnu_debug::_Safe_iterator_base): Move into new conditional
2784 * include/std/memory (__cpp_lib_atomic_value_initialization):
2785 Define on freestanding under the same conditions as in
2787 * include/std/version (__cpp_lib_robust_nonmodifying_seq_ops):
2788 Also define on freestanding.
2789 (__cpp_lib_to_chars): Ditto.
2790 (__cpp_lib_gcd): Ditto.
2791 (__cpp_lib_gcd_lcm): Ditto.
2792 (__cpp_lib_raw_memory_algorithms): Ditto.
2793 (__cpp_lib_array_constexpr): Ditto.
2794 (__cpp_lib_nonmember_container_access): Ditto.
2795 (__cpp_lib_clamp): Ditto.
2796 (__cpp_lib_constexpr_char_traits): Ditto.
2797 (__cpp_lib_constexpr_string): Ditto.
2798 (__cpp_lib_sample): Ditto.
2799 (__cpp_lib_lcm): Ditto.
2800 (__cpp_lib_constexpr_iterator): Ditto.
2801 (__cpp_lib_constexpr_char_traits): Ditto.
2802 (__cpp_lib_interpolate): Ditto.
2803 (__cpp_lib_constexpr_utility): Ditto.
2804 (__cpp_lib_shift): Ditto.
2805 (__cpp_lib_ranges): Ditto.
2806 (__cpp_lib_move_iterator_concept): Ditto.
2807 (__cpp_lib_constexpr_numeric): Ditto.
2808 (__cpp_lib_constexpr_functional): Ditto.
2809 (__cpp_lib_constexpr_algorithms): Ditto.
2810 (__cpp_lib_constexpr_tuple): Ditto.
2811 (__cpp_lib_constexpr_memory): Ditto.
2813 2023-04-05 John David Anglin <danglin@gcc.gnu.org>
2815 * testsuite/22_locale/locale/cons/12658_thread-2.cc: Double
2816 timeout factor on hppa*-*-*.
2818 2023-04-05 Jonathan Wakely <jwakely@redhat.com>
2820 * include/bits/regex.h (sub_match::swap): New function.
2821 * testsuite/28_regex/sub_match/lwg3204.cc: New test.
2823 2023-04-04 Jonathan Wakely <jwakely@redhat.com>
2825 * doc/xml/manual/extensions.xml: Remove std::bad_exception from
2827 * doc/html/manual/ext_demangling.html: Regenerate.
2829 2023-03-31 Jonathan Wakely <jwakely@redhat.com>
2831 PR tree-optimization/107087
2832 * include/bits/cow_string.h (basic_string::size()): Add
2833 optimizer hint that _S_empty_rep()._M_length is always zero.
2834 (basic_string::length()): Call size().
2836 2023-03-31 Jonathan Wakely <jwakely@redhat.com>
2839 * include/std/stop_token (_Stop_state_ptr(const stop_source&)):
2840 Add attribute access with access-mode 'none'.
2841 * testsuite/30_threads/stop_token/stop_source/109339.cc: New test.
2843 2023-03-31 Jonathan Wakely <jwakely@redhat.com>
2845 * include/experimental/internet (ip::basic_endpoint::_M_if_v6):
2846 Revert change from member function to data member. Fix for
2847 constant evaluation by detecting which union member is active.
2848 (ip::basic_endpoint::resize): Revert changes to update _M_is_v6
2851 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
2854 * testsuite/20_util/optional/monadic/pr109340.cc: Moved to...
2855 * testsuite/20_util/optional/monadic/pr109242.cc: ...here.
2857 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
2859 * include/experimental/internet (ip::make_address): Implement
2861 (ip::address_v4::broadcast()): Avoid undefined shift.
2862 (ip::basic_endpoint): Fix member functions for constexpr.
2863 (ip::basic_endpoint::_M_is_v6): Replace member function with
2864 data member, adjust member functions using it.
2865 (ip::basic_endpoint::resize): Update _M_is_v6 based on sockaddr
2867 * testsuite/experimental/net/internet/address/v4/cons.cc: Fix
2868 constexpr checks to work in C++14.
2869 * testsuite/experimental/net/internet/address/v4/creation.cc:
2871 * testsuite/experimental/net/internet/endpoint/cons.cc:
2873 * testsuite/experimental/net/internet/network/v4/cons.cc:
2875 * testsuite/experimental/net/internet/network/v4/members.cc:
2877 * testsuite/experimental/net/internet/endpoint/extensible.cc: New test.
2879 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
2881 * include/std/expected (expected::value() &): Use const lvalue
2882 for unex member passed to bad_expected_access constructor, as
2885 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
2888 * include/std/expected (expected::transform): Use
2889 std::remove_cv_t instead of std::remove_cvref_t.
2890 (expected::transform_error): Likewise.
2891 (expected<cv void, E>::transform): Likewise.
2892 (expected<cv void, E>::transform_error): Likewise.
2893 * include/std/optional (transform): Use std::remove_cv_t.
2894 * testsuite/20_util/optional/monadic/pr109340.cc: New test.
2896 2023-03-29 Jonathan Wakely <jwakely@redhat.com>
2898 * include/std/optional (optional): Adjust static assertion to
2899 reject arrays and functions as well as references.
2900 * testsuite/20_util/optional/requirements_neg.cc: New test.
2902 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
2905 * include/bits/istream.tcc (istream::_M_extract(ValueT&)): Use
2906 std::use_facet instead of cached _M_num_get facet.
2907 (istream::operator>>(short&)): Likewise.
2908 (istream::operator>>(int&)): Likewise.
2909 * include/bits/ostream.tcc (ostream::_M_insert(ValueT)): Use
2910 std::use_facet instead of cached _M_num_put facet.
2912 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
2914 * include/bits/char_traits.h (char_traits::copy): Return without
2915 using memcpy if n==0.
2916 (char_traits::assign): Likewise for memset.
2918 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
2921 * include/bits/basic_string.h (basic_string::_M_is_local()): Add
2922 hint for compiler that local strings fit in the local buffer.
2924 2023-03-28 Jonathan Wakely <jwakely@redhat.com>
2927 * include/std/chrono (__detail::__get_leap_second_info): Update
2928 expiry date of hardcoded leapseconds list.
2929 * src/c++20/tzdb.cc (tzdb_list::_Node::_S_read_leap_seconds()):
2931 * src/c++20/tzdata.zi: Import new file from 2023a release.
2932 * testsuite/std/time/time_zone/get_info_local.cc: Only check
2933 transitions for Egypt up to 2014.
2935 2023-03-28 Matthias Kretz <m.kretz@gsi.de>
2937 * include/experimental/bits/simd.h (is_simd_flag_type): New.
2938 (_IsSimdFlagType): New.
2939 (copy_from, copy_to, load ctors): Constrain _Flags using
2942 2023-03-28 Matthias Kretz <m.kretz@gsi.de>
2944 * include/experimental/bits/simd_x86.h (_SimdImplX86): Use
2945 _Base::_S_divides if the optimized _S_divides function is hidden
2946 via the preprocessor.
2948 2023-03-27 Jakub Jelinek <jakub@redhat.com>
2950 * testsuite/experimental/net/timer/waitable/dest.cc: Avoid -Wformat
2951 warning if size_t is not unsigned long.
2953 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
2955 * include/bits/shared_ptr_atomic.h (atomic::operator=(nullptr_t)):
2956 Add overload, as per LWG 3893.
2957 * testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc:
2958 Check assignment from nullptr.
2960 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
2962 * include/std/format (formatter<const charT[N], charT>): Do not
2963 define partial speclialization, as per LWG 3833.
2964 * testsuite/std/format/formatter/requirements.cc: Check it.
2966 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
2968 * include/std/utility (__cpp_lib_constexpr_algorithms): Define,
2970 * testsuite/20_util/exchange/constexpr.cc: Check for it.
2972 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
2974 * include/std/version (__cpp_lib_format): Define.
2975 * testsuite/std/format/functions/format.cc: Check it.
2977 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
2979 * include/bits/basic_string.tcc (basic_string::resize_and_overwrite):
2980 Pass rvalues to the callback, as now allowed by LWG 3645.
2981 Enforce preconditions on the return value.
2982 * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
2985 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
2987 * include/std/format: Add a comment noting that the resolution
2988 of LWG 3720 has been applied..
2990 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
2992 * include/bits/regex.h (match_results): Add allocator-extended
2993 copy and move constructors, as per LWG 2195.
2994 * testsuite/28_regex/match_results/ctors/char/alloc.cc: New test.
2996 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
2998 * include/bits/stream_iterator.h (istream_iterator): Add
2999 constexpr to copy constructor, as per LWG 3600.
3000 * testsuite/24_iterators/istream_iterator/cons/constexpr.cc:
3001 Check copy construction.
3003 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
3005 * include/experimental/bits/simd_x86.h
3006 (_SimdImplX86::_S_divides): Replace test for __GCC_IEC_559 == 0
3007 with __RECIPROCAL_MATH__.
3009 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
3011 * include/experimental/bits/simd_detail.h: Don't define
3012 _GLIBCXX_SIMD_WORKAROUND_PR90993 for Clang.
3013 * include/experimental/bits/simd_x86.h (_S_divides): Remove
3014 check for __clang__.
3016 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
3018 * include/experimental/bits/simd_detail.h: Don't declare the
3019 simd API as constexpr with Clang.
3020 * include/experimental/bits/simd_x86.h (__movm): New.
3021 (_S_blend_avx512): Resolve FIXME. Implement blend using __movm
3023 (_SimdImplX86::_S_masked_unary): Clang does not implement the
3024 same builtins. Implement the function using __movm, ?:, and -
3025 operators on vector_size types instead.
3027 2023-03-21 Matthias Kretz <m.kretz@gsi.de>
3029 * testsuite/experimental/simd/tests/operators.cc: Clang doesn't
3030 define __GCC_IEC_559. Use __STDC_IEC_559__ instead.
3032 2023-03-20 Jonathan Wakely <jwakely@redhat.com>
3034 * src/filesystem/ops-common.h (get_temp_directory_from_env): Fix
3037 2023-03-20 Marek Polacek <polacek@redhat.com>
3040 * testsuite/20_util/pair/cons/explicit_construct.cc: Adjust dg-error.
3041 * testsuite/20_util/tuple/cons/explicit_construct.cc: Likewise.
3042 * testsuite/23_containers/span/explicit.cc: Likewise.
3044 2023-03-20 Jonathan Wakely <jwakely@redhat.com>
3047 * include/std/expected (expected<void>::expected(in_place_t)):
3048 Remove template-head.
3050 2023-03-18 Jonathan Wakely <jwakely@redhat.com>
3053 * testsuite/18_support/coroutines/hash.cc: Use const object
3056 2023-03-17 Jonathan Wakely <jwakely@redhat.com>
3059 * include/std/coroutine (hash<>::operator()): Add const.
3060 * testsuite/18_support/coroutines/hash.cc: New test.
3062 2023-03-14 Patrick Palka <ppalka@redhat.com>
3065 * include/std/ranges (repeat_view): Remove redundant parentheses
3067 (repeat_view::_Iterator): Correct the requires-clause.
3069 2023-03-14 Patrick Palka <ppalka@redhat.com>
3071 * include/bits/stl_iterator.h (move_iterator::_S_iter_concept):
3073 (__cpp_lib_move_iterator_concept): Define for C++20.
3074 (move_iterator::iterator_concept): Strengthen as per P2520R0.
3075 * include/std/version (__cpp_lib_move_iterator_concept): Define
3077 * testsuite/24_iterators/move_iterator/p2520r0.cc: New test.
3079 2023-03-14 Patrick Palka <ppalka@redhat.com>
3081 * include/bits/ranges_util.h (view_interface::empty): Add
3082 preferred overloads that use ranges::size when the range is
3083 sized as per LWG 3715.
3084 * testsuite/std/ranges/adaptors/lwg3715.cc: New test.
3086 2023-03-14 Jonathan Wakely <jwakely@redhat.com>
3088 * include/bits/chrono.h (__is_duration_v, __is_time_point_v):
3089 Only define for C++17 and later.
3091 2023-03-14 Jonathan Wakely <jwakely@redhat.com>
3093 * src/Makefile.am: Add comment about linker script fragments.
3094 * src/Makefile.in: Regenerate.
3096 2023-03-14 Jonathan Wakely <jwakely@redhat.com>
3099 * include/bits/mask_array.h (mask_array): Add assertions to
3100 assignment operators.
3101 * include/std/valarray (valarray::operator[](valarray<bool>)):
3103 * testsuite/26_numerics/valarray/mask-1_neg.cc: New test.
3104 * testsuite/26_numerics/valarray/mask-2_neg.cc: New test.
3105 * testsuite/26_numerics/valarray/mask-3_neg.cc: New test.
3106 * testsuite/26_numerics/valarray/mask-4_neg.cc: New test.
3107 * testsuite/26_numerics/valarray/mask-5_neg.cc: New test.
3108 * testsuite/26_numerics/valarray/mask-6_neg.cc: New test.
3109 * testsuite/26_numerics/valarray/mask-7_neg.cc: New test.
3110 * testsuite/26_numerics/valarray/mask-8_neg.cc: New test.
3111 * testsuite/26_numerics/valarray/mask.cc: New test.
3113 2023-03-13 Jakub Jelinek <jakub@redhat.com>
3115 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
3116 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3118 2023-03-13 Jonathan Wakely <jwakely@redhat.com>
3120 * doc/Makefile.am: Add comment referring to documentation.
3121 * doc/Makefile.in: Regenerate.
3123 2023-03-13 Jonathan Wakely <jwakely@redhat.com>
3125 * doc/html/*: Regenerate.
3127 2023-03-13 Jonny Grant <jg@jguk.org>
3129 * doc/xml/faq.xml: Update copyright year.
3131 2023-03-13 Jonathan Wakely <jwakely@redhat.com>
3133 * include/bits/allocator.h: Fix typo in comment.
3135 2023-03-12 Jakub Jelinek <jakub@redhat.com>
3137 * config/abi/pre/gnu.ver (CXXABI_1.3.14): Also export __bf16 tinfos
3138 if it isn't mangled as DF16b but u6__bf16.
3140 2023-03-12 Gerald Pfeifer <gerald@pfeifer.com>
3142 * doc/xml/manual/documentation_hacking.xml: Move www.graphviz.org
3144 * doc/html/manual/documentation_hacking.html: Regenerate.
3146 2023-03-10 Jonathan Wakely <jwakely@redhat.com>
3149 * python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker):
3150 Remove self-recursion in __init__. Add missing _supports.
3151 * testsuite/libstdc++-xmethods/shared_ptr.cc: Check use_count()
3154 2023-03-09 Patrick Palka <ppalka@redhat.com>
3156 * include/std/ranges
3157 (cartesian_product_view::_Iterator::_Iterator): Remove
3158 constraint on default constructor as per LWG 3849.
3159 (cartesian_product_view::_Iterator::_M_prev): Adjust position
3160 of _Nm > 0 test as per LWG 3820.
3161 (cartesian_product_view::_Iterator::_M_advance): Perform bounds
3162 checking only on sized cartesian products.
3163 * testsuite/std/ranges/cartesian_product/1.cc (test08): New test.
3165 2023-03-09 Patrick Palka <ppalka@redhat.com>
3168 * include/std/ranges (chunk_by_view::_M_pred): Remove DMI as per
3170 (repeat_view::_M_pred): Likewise.
3171 * testsuite/std/ranges/adaptors/chunk_by/1.cc (test03): New test.
3172 * testsuite/std/ranges/repeat/1.cc (test05): New test.
3174 2023-03-09 Patrick Palka <ppalka@redhat.com>
3177 * include/std/ranges (__detail::__can_single_view): New concept.
3178 (_Single::operator()): Constrain it. Move [[nodiscard]] to the
3179 end of the function declarator.
3180 (__detail::__can_iota_view): New concept.
3181 (_Iota::operator()): Constrain it. Move [[nodiscard]] to the
3182 end of the function declarator.
3183 (__detail::__can_istream_view): New concept.
3184 (_Istream::operator()): Constrain it. Move [[nodiscard]] to the
3185 end of the function declarator.
3186 * testsuite/std/ranges/iota/iota_view.cc (test07): New test.
3187 * testsuite/std/ranges/istream_view.cc (test08): New test.
3188 * testsuite/std/ranges/single_view.cc (test07): New test.
3190 2023-03-09 Patrick Palka <ppalka@redhat.com>
3193 * include/std/ranges (cartesian_product_view::end): When
3194 building the tuple of iterators, avoid calling ranges::begin on
3195 the first range if __empty_tail is false.
3196 * testsuite/std/ranges/cartesian_product/1.cc (test07): New test.
3198 2023-03-09 Jonathan Wakely <jwakely@redhat.com>
3201 * config/os/gnu-linux/ldbl-ieee128-extra.ver: Fix incorrect
3204 2023-03-07 Jakub Jelinek <jakub@redhat.com>
3206 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3207 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
3208 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
3209 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
3210 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
3212 2023-03-07 Jonathan Wakely <jwakely@redhat.com>
3215 * config/abi/pre/gnu.ver (GLIBCXX_3.4.31): Adjust patterns to
3216 not match symbols in namespace std::__gnu_cxx11_ieee128.
3217 * config/os/gnu-linux/ldbl-ieee128-extra.ver: Add patterns for
3218 std::__gnu_cxx11_ieee128::money_{get,put}.
3220 2023-03-07 Jonathan Wakely <jwakely@redhat.com>
3222 * libsupc++/eh_personality.cc: Fix spelling in comment.
3224 2023-03-03 Alexandre Oliva <oliva@adacore.com>
3226 * testsuite/30_threads/async/async.cc (test04): Initialize
3227 steady_start, renamed from steady_begin, next to slow_start.
3228 Increase tolerance for final wait.
3230 2023-03-03 Alexandre Oliva <oliva@adacore.com>
3232 * testsuite/libstdc++-prettyprinters/80276.cc: Add
3233 std::string to debug info.
3234 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
3236 2023-03-03 Alexandre Oliva <oliva@adacore.com>
3241 * include/bits/std_thread.h (thread::_M_thread_deps): New
3242 static implicitly-inline member function.
3243 (std::thread template ctor): Pass it to _M_start_thread.
3244 * src/c++11/thread.cc (thread::_M_start_thread): Name depend
3245 parameter, force it live on entry.
3247 2023-03-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3249 * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
3250 * config/abi/post/i386-solaris/amd64/baseline_symbols.txt:
3252 * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
3253 * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
3256 2023-03-01 Jonathan Wakely <jwakely@redhat.com>
3258 * include/bits/cow_string.h: Fix typo in comment.
3260 2023-03-01 Jonathan Wakely <jwakely@redhat.com>
3262 * src/c++20/tzdb.cc (chrono::tzdb::current_zone()) Use "UTC" if
3263 current time zone cannot be determined.
3264 * testsuite/std/time/tzdb/1.cc: Remove conditions based on
3265 HAVE_TZDB macro and test all members unconditionally.
3267 2023-02-28 Jonathan Wakely <jwakely@redhat.com>
3270 * include/bits/uses_allocator_args.h
3271 (uses_allocator_construction_args): Implement LWG 3527.
3272 * testsuite/20_util/pair/astuple/get-2.cc: New test.
3273 * testsuite/20_util/scoped_allocator/108952.cc: New test.
3274 * testsuite/20_util/uses_allocator/lwg3527.cc: New test.
3276 2023-02-28 Jonathan Wakely <jwakely@redhat.com>
3279 * include/bits/stl_algobase.h (__copy_move<false, false, RA>)
3280 Add __assign_one static member function.
3281 (__copy_move<true, false, RA>): Likewise.
3282 (__copy_move<IsMove, true, RA>): Do not use memmove for a single
3284 (__copy_move_backward<IsMove, true, RA>): Likewise.
3285 * testsuite/25_algorithms/copy/108846.cc: New test.
3286 * testsuite/25_algorithms/copy_backward/108846.cc: New test.
3287 * testsuite/25_algorithms/copy_n/108846.cc: New test.
3288 * testsuite/25_algorithms/move/108846.cc: New test.
3289 * testsuite/25_algorithms/move_backward/108846.cc: New test.
3291 2023-02-28 Jonathan Wakely <jwakely@redhat.com>
3293 * src/c++11/codecvt.cc: Add [[likely]] and [[unlikely]]
3296 2023-02-27 Jonathan Wakely <jwakely@redhat.com>
3298 * include/bits/basic_ios.h (basic_ios::_M_setstate): Add
3300 * include/bits/basic_string.h (resize_and_overwrite): Add
3303 2023-02-24 Matthias Kretz <m.kretz@gsi.de>
3305 * include/experimental/bits/simd.h: Line breaks and indenting
3306 fixed to follow the libstdc++ standard.
3307 * include/experimental/bits/simd_builtin.h: Likewise.
3308 * include/experimental/bits/simd_fixed_size.h: Likewise.
3309 * include/experimental/bits/simd_neon.h: Likewise.
3310 * include/experimental/bits/simd_ppc.h: Likewise.
3311 * include/experimental/bits/simd_scalar.h: Likewise.
3312 * include/experimental/bits/simd_x86.h: Likewise.
3314 2023-02-24 Matthias Kretz <m.kretz@gsi.de>
3317 * include/experimental/bits/simd_fixed_size.h
3318 (_SimdImplFixedSize::_S_broadcast): Replace inline with
3319 _GLIBCXX_SIMD_INTRINSIC.
3320 (_SimdImplFixedSize::_S_generate): Likewise.
3321 (_SimdImplFixedSize::_S_load): Likewise.
3322 (_SimdImplFixedSize::_S_masked_load): Likewise.
3323 (_SimdImplFixedSize::_S_store): Likewise.
3324 (_SimdImplFixedSize::_S_masked_store): Likewise.
3325 (_SimdImplFixedSize::_S_min): Likewise.
3326 (_SimdImplFixedSize::_S_max): Likewise.
3327 (_SimdImplFixedSize::_S_complement): Likewise.
3328 (_SimdImplFixedSize::_S_unary_minus): Likewise.
3329 (_SimdImplFixedSize::_S_plus): Likewise.
3330 (_SimdImplFixedSize::_S_minus): Likewise.
3331 (_SimdImplFixedSize::_S_multiplies): Likewise.
3332 (_SimdImplFixedSize::_S_divides): Likewise.
3333 (_SimdImplFixedSize::_S_modulus): Likewise.
3334 (_SimdImplFixedSize::_S_bit_and): Likewise.
3335 (_SimdImplFixedSize::_S_bit_or): Likewise.
3336 (_SimdImplFixedSize::_S_bit_xor): Likewise.
3337 (_SimdImplFixedSize::_S_bit_shift_left): Likewise.
3338 (_SimdImplFixedSize::_S_bit_shift_right): Likewise.
3339 (_SimdImplFixedSize::_S_remquo): Add inline keyword (to be
3340 explicit about not always-inline, yet).
3341 (_SimdImplFixedSize::_S_isinf): Likewise.
3342 (_SimdImplFixedSize::_S_isfinite): Likewise.
3343 (_SimdImplFixedSize::_S_isnan): Likewise.
3344 (_SimdImplFixedSize::_S_isnormal): Likewise.
3345 (_SimdImplFixedSize::_S_signbit): Likewise.
3347 2023-02-24 Matthias Kretz <m.kretz@gsi.de>
3350 * include/experimental/bits/simd_builtin.h
3351 (_SimdImplBuiltin::_S_masked_unary): More efficient
3352 implementation of masked inc-/decrement for integers and floats
3354 * include/experimental/bits/simd_x86.h
3355 (_SimdImplX86::_S_masked_unary): New. Use AVX512 masked subtract
3356 builtins for masked inc-/decrement.
3358 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3360 * include/experimental/executor (executor): Constrain template
3363 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3365 * include/experimental/internet (basic_endpoint): Add missing
3366 constexpr to comparison operators.
3367 * testsuite/experimental/net/internet/endpoint/cons.cc: New test.
3369 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3371 * include/experimental/internet (network_v4::netmask()): Avoid
3373 (network_v4::broadcast()): Optimize and fix for targets with
3374 uint_least32_t wider than 32 bits.
3375 (network_v4::to_string(const Allocator&)): Fix for custom
3376 allocators and optimize using to_chars.
3377 (operator==(const network_v4&, const network_v4&)): Add missing
3379 (operator==(const network_v6&, const network_v6&)): Likewise.
3380 * testsuite/experimental/net/internet/network/v4/cons.cc: New test.
3381 * testsuite/experimental/net/internet/network/v4/members.cc: New test.
3383 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3385 * include/experimental/internet (address_4(const bytes_type&)):
3386 Use __builtin_bit_cast if available, otherwise convert to
3388 (address_v4::to_bytes()): Likewise, but convert from network
3390 * testsuite/experimental/net/internet/address/v4/cons.cc: Fix
3391 incorrect tests. Check for constexpr too.
3392 * testsuite/experimental/net/internet/address/v4/creation.cc:
3394 * testsuite/experimental/net/internet/address/v4/members.cc:
3395 Check that bytes_type is a standard-layout type.
3397 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3399 * include/experimental/internet (address_v4::to_string):
3401 * testsuite/experimental/net/internet/address/v4/members.cc:
3402 Check more addresses.
3404 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3406 * include/ext/aligned_buffer.h (__aligned_buffer): Add
3409 2023-02-24 Jonathan Wakely <jwakely@redhat.com>
3411 * testsuite/std/format/arguments/lwg3810.cc: Move dg-options
3414 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3416 * testsuite/experimental/simd/tests/reductions.cc: Introduce
3417 max_distance as the type-dependent max error.
3419 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3421 * include/experimental/bits/simd_builtin.h (_S_set): Compare as
3422 int. The actual range of these indexes is very small.
3424 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3426 * include/experimental/bits/simd_x86.h (_S_bit_shift_left)
3427 (_S_bit_shift_right): Declare constexpr. The implementation was
3428 already expecting constexpr evaluation.
3430 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3433 * include/experimental/bits/simd_detail.h
3434 (_GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA): Define as empty for
3437 2023-02-23 Matthias Kretz <m.kretz@gsi.de>
3440 * include/experimental/bits/simd.h (__vector_broadcast):
3441 Implement via __vector_broadcast_impl instead of
3442 __call_with_n_evaluations + 2 lambdas.
3443 (__vector_broadcast_impl): New.
3445 2023-02-22 Alexandre Oliva <oliva@adacore.com>
3447 * src/c++11/shared_ptr.cc (__gnu_internal::get_mutex):
3448 Avoid destruction of the mutex pool.
3450 2023-02-22 Alexandre Oliva <oliva@adacore.com>
3452 * testsuite/27_io/basic_ofstream/open/char/noreplace.cc: xfail
3454 * testsuite/27_io/basic_ofstream/open/wchar_t/noreplace.cc:
3457 2023-02-22 Alexandre Oliva <oliva@adacore.com>
3459 * testsuite/17_intro/names.cc: Undef func on vxworks >= 7 in
3462 2023-02-20 Andreas Schwab <schwab@linux-m68k.org>
3464 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
3466 2023-02-20 Matthias Kretz <m.kretz@gsi.de>
3468 * include/experimental/bits/simd.h (__extract_part, split):
3469 Use reserved name for template parameter.
3471 2023-02-20 Andreas Schwab <schwab@suse.de>
3473 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3475 2023-02-18 Gerald Pfeifer <gerald@pfeifer.com>
3477 * doc/xml/faq.xml: Switch two links to www.open-std.org to https.
3478 * doc/html/faq.html: Regenerate.
3480 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3482 * include/experimental/bits/simd_math.h (__hypot): Bitcasting
3483 between scalars requires the __bit_cast helper function instead
3486 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3488 * include/experimental/bits/simd_x86.h
3489 (_SimdImplX86::_S_not_equal_to, _SimdImplX86::_S_less)
3490 (_SimdImplX86::_S_less_equal): Do not call
3491 __builtin_is_constant_evaluated in constexpr-if.
3493 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3495 * testsuite/experimental/simd/tests/bits/verify.h
3496 (verify::verify): Use %zx for size_t in format string.
3498 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3500 * testsuite/experimental/simd/generate_makefile.sh: Generate and
3501 pre-compile pch.h, which includes all headers that do not depend
3502 on command-line macros.
3503 * testsuite/experimental/simd/tests/bits/main.h: New file.
3504 (iterate_abis, main): Moved from verify.h.
3505 * testsuite/experimental/simd/tests/bits/verify.h
3506 (iterate_abis, main): Moved to main.h.
3507 * testsuite/experimental/simd/tests/bits/conversions.h: Add
3509 (genHalfBits): Simplify.
3510 * testsuite/experimental/simd/tests/bits/make_vec.h: Add include
3512 (make_alternating_mask): Moved from mask_loadstore.
3513 * testsuite/experimental/simd/tests/bits/mathreference.h: Add
3515 * testsuite/experimental/simd/tests/bits/test_values.h: Ditto.
3516 * testsuite/experimental/simd/tests/mask_loadstore.cc
3517 (make_mask, make_alternating_mask): Removed.
3518 * testsuite/experimental/simd/tests/mask_reductions.cc: Ditto.
3519 * testsuite/experimental/simd/tests/operators.cc (genHalfBits):
3521 * testsuite/experimental/simd/tests/abs.cc: Only include
3524 * testsuite/experimental/simd/tests/algorithms.cc: Ditto.
3525 * testsuite/experimental/simd/tests/broadcast.cc: Ditto.
3526 * testsuite/experimental/simd/tests/casts.cc: Ditto.
3527 * testsuite/experimental/simd/tests/fpclassify.cc: Ditto.
3528 * testsuite/experimental/simd/tests/frexp.cc: Ditto.
3529 * testsuite/experimental/simd/tests/generator.cc: Ditto.
3530 * testsuite/experimental/simd/tests/hypot3_fma.cc: Ditto.
3531 * testsuite/experimental/simd/tests/integer_operators.cc: Ditto.
3532 * testsuite/experimental/simd/tests/ldexp_scalbn_scalbln_modf.cc:
3533 * testsuite/experimental/simd/tests/loadstore.cc: Ditto.
3534 * testsuite/experimental/simd/tests/logarithm.cc: Ditto.
3535 * testsuite/experimental/simd/tests/mask_broadcast.cc: Ditto.
3536 * testsuite/experimental/simd/tests/mask_conversions.cc: Ditto.
3537 * testsuite/experimental/simd/tests/mask_implicit_cvt.cc: Ditto.
3538 * testsuite/experimental/simd/tests/mask_operator_cvt.cc: Ditto.
3539 * testsuite/experimental/simd/tests/mask_operators.cc: Ditto.
3540 * testsuite/experimental/simd/tests/math_1arg.cc: Ditto.
3541 * testsuite/experimental/simd/tests/math_2arg.cc: Ditto.
3542 * testsuite/experimental/simd/tests/operator_cvt.cc: Ditto.
3543 * testsuite/experimental/simd/tests/reductions.cc: Ditto.
3544 * testsuite/experimental/simd/tests/remqo.cc: Ditto.
3545 * testsuite/experimental/simd/tests/simd.cc: Ditto.
3546 * testsuite/experimental/simd/tests/sincos.cc: Ditto.
3547 * testsuite/experimental/simd/tests/split_concat.cc: Ditto.
3548 * testsuite/experimental/simd/tests/splits.cc: Ditto.
3549 * testsuite/experimental/simd/tests/trigonometric.cc: Ditto.
3550 * testsuite/experimental/simd/tests/trunc_ceil_floor.cc: Ditto.
3551 * testsuite/experimental/simd/tests/where.cc: Ditto.
3553 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3555 * testsuite/experimental/simd/README.md: Document the timeout
3556 and timeout-factor directives. Minor typo fixed.
3558 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3561 * include/experimental/bits/simd_detail.h: Define
3562 _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA.
3563 * include/experimental/bits/simd.h: Annotate lambdas with
3564 _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA.
3565 * include/experimental/bits/simd_builtin.h: Ditto.
3566 * include/experimental/bits/simd_converter.h: Ditto.
3567 * include/experimental/bits/simd_fixed_size.h: Ditto.
3568 * include/experimental/bits/simd_math.h: Ditto.
3569 * include/experimental/bits/simd_neon.h: Ditto.
3570 * include/experimental/bits/simd_x86.h: Ditto.
3572 2023-02-16 Matthias Kretz <m.kretz@gsi.de>
3574 * include/experimental/bits/simd.h
3575 (_SimdWrapper::_M_is_constprop_none_of)
3576 (_SimdWrapper::_M_is_constprop_all_of): Return false unless the
3577 computed result still satisfies __builtin_constant_p.
3579 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3581 * testsuite/std/format/arguments/lwg3810.cc: Replace UTF-8
3584 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3586 * include/Makefile.am: Add new header.
3587 * include/Makefile.in: Regenerate.
3588 * include/experimental/synchronized_value: New file.
3589 * testsuite/experimental/synchronized_value.cc: New test.
3591 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3593 * include/experimental/optional: Fix header name in comment.
3595 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3597 * include/std/format (__format::_Arg_store): New class template.
3598 (basic_format_args): Remove nested type _Store and add deduction
3599 guide from _Arg_store.
3600 (basic_format_arg, make_format_args): Adjust.
3601 * testsuite/std/format/arguments/lwg3810.cc: New test.
3603 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3605 * include/bits/stl_pair.h (pair) [C++20]: Add non-dangling
3606 constraints to constructors and add deleted overloads for the
3607 dangling cases, as per P2255R2.
3608 (pair) [!C++20 && _GLIBCXX_DEBUG]: Add static assertions to
3609 make dangling cases ill-formed.
3610 * testsuite/20_util/pair/dangling_ref.cc: New test.
3612 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3614 * testsuite/17_intro/names_pstl.cc: Require et tbb_backend.
3616 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3618 * include/ext/throw_allocator.h: Use reserved names for
3621 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3623 * testsuite/17_intro/names_pstl.cc: Add space after effective
3626 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3628 * include/pstl/algorithm_fwd.h (__pattern_search_n)
3629 (__brick_unique_copy, __brick_adjacent_find)
3630 (__brick_generate_n, __pattern_generate_n): Use reserved names
3632 * include/pstl/algorithm_impl.h (__brick_unique_copy)
3633 (__pattern_reverse, __brick_generate_n): Likewise.
3634 * include/pstl/execution_impl.h (__prefer_unsequenced_tag)
3635 (__prefer_parallel_tag): Likewise.
3636 * include/pstl/glue_algorithm_impl.h (transform): Likewise.
3637 * include/pstl/glue_numeric_defs.h (adjacent_difference):
3639 * include/pstl/numeric_impl.h (__brick_adjacent_difference):
3641 * include/pstl/parallel_backend_tbb.h (__merge_func): Likewise.
3642 * include/pstl/unseq_backend_simd.h (_Combiner)
3643 (__simd_min_element, __simd_minmax_element): Likewise.
3644 * testsuite/17_intro/names_pstl.cc: New test.
3646 2023-02-16 Jonathan Wakely <jwakely@redhat.com>
3648 * include/bits/fs_ops.h (create_directory): Use reserved name
3650 * include/bits/ranges_algo.h (__contains_subrange_fn):
3652 * include/bits/regex_automaton.h (_State_base::_M_print):
3654 * include/bits/regex_automaton.tcc(_State_base::_M_print):
3656 * include/bits/regex_scanner.tcc(_Scanner::_M_print): Likewise.
3657 * include/experimental/bits/fs_ops.h (create_directory):
3659 * include/std/mutex (timed_mutex::_M_clocklock): Likewise.
3660 (recursive_timed_mutex:_M_clocklock): Likewise.
3661 * include/std/tuple (basic_common_reference): Likewise.
3662 * libsupc++/cxxabi_init_exception.h
3663 (__cxa_init_primary_exception): Likewise.
3664 * testsuite/17_intro/names.cc: Add checks.
3666 2023-02-14 Gerald Pfeifer <gerald@pfeifer.com>
3668 * doc/xml/manual/status_cxx2017.xml: Update an open-std.org link
3669 to www.open-std.org and https.
3670 * doc/html/manual/status.html: Regenerate.
3672 2023-02-14 Thomas W Rodgers <rodgert@twrodgers.com>
3675 * include/std/atomic (atomic_flag_wait): Add.
3676 (atomic_flag_wait_explicit): Add.
3677 (atomic_flag_notify): Add.
3678 (atomic_flag_notify_explicit): Add.
3679 * testsuite/29_atomics/atomic_flag/wait_notify/1.cc:
3680 Add test case to cover missing atomic_flag free functions.
3682 2023-02-14 Thomas W Rodgers <rodgert@twrodgers.com>
3685 * include/std/atomic (atomic_flag_test): Add.
3686 (atomic_flag_test_explicit): Add.
3687 * testsuite/29_atomics/atomic_flag/test/explicit.cc: Add
3688 test case to cover missing atomic_flag free functions.
3689 * testsuite/29_atomics/atomic_flag/test/implicit.cc:
3692 2023-02-13 Gerald Pfeifer <gerald@pfeifer.com>
3694 * doc/xml/manual/policy_data_structures_biblio.xml: Adjust
3695 "The Component Object Model" reference.
3696 * doc/html/manual/policy_data_structures.html: Regenerate.
3698 2023-02-12 Gerald Pfeifer <gerald@pfeifer.com>
3700 * doc/xml/manual/containers.xml: Tweak a link to N1780
3702 * doc/html/manual/associative.html: Regenerate.
3704 2023-02-12 Gerald Pfeifer <gerald@pfeifer.com>
3706 * doc/xml/manual/ctype.xml: Change www.unix.org to unix.org.
3707 * doc/html/manual/facets.html: Regenerate.
3709 2023-02-11 Gerald Pfeifer <gerald@pfeifer.com>
3711 * doc/xml/manual/policy_data_structures_biblio.xml: Update
3712 link to "Worst-case efficient priority queues".
3713 * doc/html/manual/policy_data_structures.html: Regenerate.
3715 2023-02-06 Arsen Arsenović <arsen@aarsen.me>
3717 * doc/xml/manual/using.xml: Document newly-freestanding
3718 headers and the effect of the -ffreestanding flag.
3719 * doc/xml/manual/status_cxx2023.xml: Document P1642R11 as
3721 * doc/xml/manual/configure.xml: Document that hosted installs
3722 respect __STDC_HOSTED__.
3723 * doc/xml/manual/test.xml: Document how to run tests in
3725 * doc/html/*: Regenerate.
3727 2023-02-06 Jonathan Wakely <jwakely@redhat.com>
3729 * include/bits/ranges_algo.h (__find_last_fn): Rename T to _Tp.
3730 (__find_last_if_fn): Likewise.
3732 2023-02-06 Jonathan Wakely <jwakely@redhat.com>
3734 * include/std/type_traits: Add diagnostic pragmas around
3735 references to deprecated std::aligned_storage and
3736 std::aligned_union traits.
3737 * testsuite/20_util/aligned_storage/requirements/alias_decl.cc:
3738 Add dg-warning for et c++23.
3739 * testsuite/20_util/aligned_storage/requirements/explicit_instantiation.cc:
3741 * testsuite/20_util/aligned_storage/value.cc: Likewise.
3742 * testsuite/20_util/aligned_union/1.cc: Likewise.
3743 * testsuite/20_util/aligned_union/requirements/alias_decl.cc:
3746 2023-02-06 Nathaniel Shead <nathanieloshead@gmail.com>
3748 * doc/doxygen/user.cfg.in (PREDEFINED): Add new macros.
3749 * include/bits/c++config (_GLIBCXX23_DEPRECATED)
3750 (_GLIBCXX23_DEPRECATED_SUGGEST): New macros.
3751 * include/std/type_traits (aligned_storage, aligned_union)
3752 (aligned_storage_t, aligned_union_t): Deprecate for C++23.
3753 * testsuite/20_util/aligned_storage/deprecated-2b.cc: New test.
3754 * testsuite/20_util/aligned_union/deprecated-2b.cc: New test.
3756 2023-02-06 Nathaniel Shead <nathanieloshead@gmail.com>
3758 * doc/doxygen/user.cfg.in (PREDEFINED): Update macros.
3759 * include/bits/c++config (_GLIBCXX20_DEPRECATED): Make
3760 consistent with other 'deprecated' macros.
3761 * include/std/type_traits (is_pod, is_pod_v): Use
3762 _GLIBCXX20_DEPRECATED_SUGGEST instead.
3764 2023-02-06 Arsen Arsenović <arsen@aarsen.me>
3766 * Makefile.am [!_GLIBCXX_HOSTED]: Enable src/ subdirectory.
3767 * Makefile.in: Regenerate.
3768 * src/Makefile.am [!_GLIBCXX_HOSTED]: Omit compatibility files.
3769 There's no history to be compatible with.
3770 * src/c++11/Makefile.am [!_GLIBCXX_HOSTED]: Omit hosted-only
3771 source files from the build.
3772 * src/c++17/Makefile.am [!_GLIBCXX_HOSTED]: Likewise.
3773 * src/c++20/Makefile.am [!_GLIBCXX_HOSTED]: Likewise.
3774 * src/c++98/Makefile.am [!_GLIBCXX_HOSTED]: Likewise.
3775 * src/Makefile.in: Regenerate.
3776 * src/c++11/Makefile.in: Regenerate.
3777 * src/c++17/Makefile.in: Regenerate.
3778 * src/c++20/Makefile.in: Regenerate.
3779 * src/c++98/Makefile.in: Regenerate.
3781 2023-02-06 Jonathan Wakely <jwakely@redhat.com>
3783 * src/Makefile.am [GLIBCXX_HOSTED] (SUBDIRS): Do not add
3784 filesystem, libbacktrace and experimental.
3785 * src/Makefile.in: Regenerate.
3787 2023-02-04 Hans-Peter Nilsson <hp@axis.com>
3790 * include/pstl/unseq_backend_simd.h (__simd_or): Use __INT32_TYPE__
3793 2023-02-04 Gerald Pfeifer <gerald@pfeifer.com>
3795 * doc/xml/manual/documentation_hacking.xml: Adjust link to pdftex.
3796 * doc/html/manual/documentation_hacking.html: Regenerate.
3798 2023-02-04 François Dumont <fdumont@gcc.gnu.org>
3800 * include/bits/basic_string.h (operator=(basic_string&&)): Transfer move-to
3801 storage to the move-from instance when allocators are equal.
3802 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc (test04):
3805 2023-02-03 Samuel Thibault <samuel.thibault@gnu.org>
3807 * config/os/gnu-linux/os_defines.h [!__linux__]
3808 (_GLIBCXX_NATIVE_THREAD_ID, _GLIBCXX_GTHREAD_USE_WEAK): Do not define.
3810 2023-02-03 Patrick Palka <ppalka@redhat.com>
3812 * include/bits/ranges_algo.h (__find_last_fn, find_last):
3814 (__find_last_if_fn, find_last_if): Define.
3815 (__find_last_if_not_fn, find_last_if_not): Define.
3816 * testsuite/25_algorithms/find_last/1.cc: New test.
3817 * testsuite/25_algorithms/find_last_if/1.cc: New test.
3818 * testsuite/25_algorithms/find_last_if_not/1.cc: New test.
3820 2023-02-03 Patrick Palka <ppalka@redhat.com>
3822 * include/bits/ranges_algo.h (out_value_result): Define.
3823 (iota_result): Define.
3824 (__iota_fn, iota): Define.
3825 * testsuite/25_algorithms/iota/1.cc: New test.
3827 2023-02-03 Patrick Palka <ppalka@redhat.com>
3829 * include/bits/ranges_algo.h (__contains_fn, contains): Define.
3830 (__contains_subrange_fn, contains_subrange): Define.
3831 * testsuite/25_algorithms/contains/1.cc: New test.
3832 * testsuite/25_algorithms/contains_subrange/1.cc: New test.
3834 2023-02-02 Gerald Pfeifer <gerald@pfeifer.com>
3836 * doc/xml/manual/abi.xml: Tweak link to ABIcheck project.
3837 * doc/html/manual/abi.html: Regenerate.
3839 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
3841 * src/filesystem/ops-common.h [AVR] (__unsupported): Always use
3842 errc::function_not_supported instead of errc::not_supported.
3844 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
3846 * include/std/sstream (basic_stringbuf::view): Define for old
3848 (basic_istringstream::view, basic_0stringstream::view)
3849 (basic_stringstream::view): Likewise.
3850 * testsuite/27_io/basic_istringstream/view/char/1.cc: Remove
3851 { dg-require-effective-target cxx11_abi }.
3852 * testsuite/27_io/basic_istringstream/view/wchar_t/1.cc:
3854 * testsuite/27_io/basic_ostringstream/view/char/1.cc: Likewise.
3855 * testsuite/27_io/basic_ostringstream/view/wchar_t/1.cc:
3857 * testsuite/27_io/basic_stringbuf/view/char/1.cc: Likewise.
3858 * testsuite/27_io/basic_stringbuf/view/wchar_t/1.cc: Likewise.
3859 * testsuite/27_io/basic_stringstream/view/char/1.cc: Likewise.
3860 * testsuite/27_io/basic_stringstream/view/wchar_t/1.cc:
3863 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
3866 * config/abi/pre/gnu.ver (GLIBCXX_3.4.31): Export shared_ptr
3867 conversion operators for directory iterator comparisons with
3868 std::default_sentinel_t.
3869 * include/bits/fs_path.h (path::path(string_view, _Type))
3870 (path::_Cmpt::_Cmpt(string_view, _Type, size_t)): Move inline
3872 * src/c++17/fs_path.cc: ... here.
3873 * testsuite/27_io/filesystem/path/108636.cc: New test.
3875 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
3877 * include/std/variant (variant::operator=): Implement resolution
3879 * testsuite/20_util/variant/lwg3585.cc: New test.
3881 2023-02-02 Gerald Pfeifer <gerald@pfeifer.com>
3883 * doc/xml/manual/using_exceptions.xml: Update a www.open-std.org
3885 * doc/html/manual/using_exceptions.html: Regenerate.
3887 2023-02-02 Gerald Pfeifer <gerald@pfeifer.com>
3889 * doc/xml/manual/debug.xml: Fix link to online GDB manual.
3890 * doc/html/manual/debug.html: Regenerate.
3892 2023-02-01 Jonathan Wakely <jwakely@redhat.com>
3894 * src/c++11/random.cc (random_device::_M_fini): Do not try to
3895 close the file handle if the target doesn't support the
3896 /dev/random and /dev/urandom files.
3898 2023-02-01 Jonathan Wakely <jwakely@redhat.com>
3900 * config/os/generic/error_constants.h (errc::value_too_large)
3902 * src/c++11/system_error.cc
3903 (system_category::default_error_condition) [__AVR__]: Only match
3904 recognize values equal to EDOM, ERANGE, ENOSYS and EINTR.
3905 * src/c++17/fs_ops.cc (fs::current_path) [__AVR__]: Do not check
3906 for ENOENT etc. in switch.
3907 (fs::remove_all) [__AVR__]: Likewise.
3908 * src/filesystem/ops-common.h [__AVR__]: Do not use POSIX open,
3911 2023-02-01 Jonathan Wakely <jwakely@redhat.com>
3913 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR) [avr-*-*, msp430-*-*]: Set
3915 * configure: Regenerate.
3917 2023-02-01 Hans-Peter Nilsson <hp@axis.com>
3920 * testsuite/std/time/hh_mm_ss/1.cc (size): Add empty
3921 struct at end of S0.
3923 2023-01-30 Gerald Pfeifer <gerald@pfeifer.com>
3925 * doc/xml/manual/shared_ptr.xml: Move links from both
3926 http://open-std.org and http://www.open-std.org to
3927 https://www.open-std.org.
3928 * doc/html/manual/memory.html: Regenerate.
3930 2023-01-28 Gerald Pfeifer <gerald@pfeifer.com>
3932 * doc/xml/manual/appendix_contributing.xml: Adjust link to
3933 ISO C++ standard at ANSI.
3934 Move link to www.open-std.org to https.
3935 * doc/html/manual/appendix_contributing.html: Regenerate.
3937 2023-01-28 Gerald Pfeifer <gerald@pfeifer.com>
3939 * doc/xml/manual/documentation_hacking.xml: Move sourceforge.net
3941 * doc/html/manual/documentation_hacking.html: Regenerate.
3943 2023-01-28 Gerald Pfeifer <gerald@pfeifer.com>
3945 * doc/xml/manual/abi.xml: Update www.open-std.org link to https.
3946 * doc/html/manual/abi.html: Regenerate.
3948 2023-01-27 Jakub Jelinek <jakub@redhat.com>
3951 * testsuite/17_intro/names.cc (__unused): For linux or GNU hurd
3952 include features.h if present and then check __GLIBC__ and
3953 __GLIBC_MINOR__ macros for glibc prior to 2.19, instead of testing
3954 __GLIBC_PREREQ which isn't defined yet.
3956 2023-01-27 Jonathan Wakely <jwakely@redhat.com>
3958 * src/c++20/tzdb.cc (tzdata_stream): Use constant instead of
3961 2023-01-27 Jonathan Wakely <jwakely@redhat.com>
3964 * testsuite/23_containers/map/modifiers/108554.cc: Use dg-bogus.
3966 2023-01-26 Jonathan Wakely <jwakely@redhat.com>
3968 * src/c++20/tzdb.cc (operator>>(istream&, ZoneInfo&)): Allow
3969 rules named "+" for compatibility with older tzdata.zi files.
3971 2023-01-26 Jonathan Wakely <jwakely@redhat.com>
3974 * include/bits/stl_tree.h (_Rb_tree_insert_and_rebalance): Add
3976 (_Rb_tree_rebalance_for_erase): Add nonnull and returns_nonnull
3978 * testsuite/23_containers/map/modifiers/108554.cc: New test.
3980 2023-01-26 Jonathan Wakely <jwakely@redhat.com>
3983 * src/c++20/tzdb.cc (current_zone): Look for TIMEZONE or ZONE in
3984 /etc/sysconfig/clock, not DEFAULT_TIMEZONE.
3986 2023-01-26 Gerald Pfeifer <gerald@pfeifer.com>
3988 * doc/xml/manual/intro.xml: Update links to www.open-std.org to
3990 * doc/html/manual/bugs.html: Regenerate.
3992 2023-01-24 Jonathan Wakely <jwakely@redhat.com>
3995 * src/c++20/tzdb.cc (current_zone): Look for DEFAULT_TIMEZONE in
3996 /etc/sysconfig/clock.
3998 2023-01-24 Jonathan Wakely <jwakely@redhat.com>
4001 * include/bits/ranges_base.h: Include <bits/stl_iterator.h> for
4002 std::make_reverse_iterator.
4003 * include/std/tuple: Include <bits/ranges_util.h> for subrange.
4004 (make_from_tuple): Add static assertion from P2255 to diagnose
4005 dangling references.
4006 * testsuite/20_util/tuple/make_from_tuple/dangling_ref.cc: New test.
4007 * testsuite/20_util/tuple/make_from_tuple/tuple_like.cc: New test.
4009 2023-01-23 François Dumont <fdumont@gcc.gnu.org>
4011 * include/debug/safe_iterator.h (_Safe_iterator<>::_Unchecked): New.
4012 (_Safe_iterator(const _Safe_iterator&, _Unchecked)): New.
4013 (_Safe_iterator::operator++(int)): Use latter.
4014 (_Safe_iterator::operator--(int)): Likewise.
4015 (_Safe_iterator(_Iterator, const _Safe_sequence_base*)): Remove !_M_insular()
4017 * include/debug/safe_local_iterator.h (_Safe_local_iterator<>::_Unchecked):
4019 (_Safe_local_iterator(const _Safe_local_iterator&, _Unchecked)): New.
4020 (_Safe_local_iterator::operator++(int)): Use latter.
4021 * src/c++11/debug.cc (_S_debug_messages): Add as comment the _Debug_msg_id
4022 entry associated to the array entry.
4024 2023-01-18 Jonathan Wakely <jwakely@redhat.com>
4026 * include/bits/fs_path.h (u8path): Add deprecated attribute.
4027 * testsuite/27_io/filesystem/path/construct/90281.cc: Add
4028 -Wno-deprecated-declarations for C++20 and later.
4029 * testsuite/27_io/filesystem/path/factory/u8path-char8_t.cc:
4031 * testsuite/27_io/filesystem/path/factory/u8path.cc: Likewise.
4032 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
4033 * testsuite/27_io/filesystem/path/factory/u8path-depr.cc: New test.
4035 2023-01-18 Jonathan Wakely <jwakely@redhat.com>
4037 * include/bits/random.h (random_device) [!_GLIBCXX_USE_DEV_RANDOM]:
4038 Always call _M_fini and _M_getentropy.
4040 2023-01-18 Gerald Pfeifer <gerald@pfeifer.com>
4042 * doc/xml/manual/policy_data_structures_biblio.xml: Adjust links
4043 to www.open-std.org to use https.
4044 (COM: Component Model Object Technologies): Rename from...
4045 (The Component Object Model): ...to.
4046 * doc/html/manual/policy_data_structures.html: Regenerate.
4048 2023-01-18 Dimitrij Mijoski <dmjpp@hotmail.com>
4050 * testsuite/22_locale/codecvt/codecvt_unicode.cc: Simplify.
4051 * testsuite/22_locale/codecvt/codecvt_unicode.h: Simplify.
4052 * testsuite/22_locale/codecvt/codecvt_unicode_wchar_t.cc: Simplify.
4054 2023-01-17 Jonathan Wakely <jwakely@redhat.com>
4056 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Check $target_os instead
4057 of $host. Fix check for file being present during native build.
4058 * configure: Regenerate.
4060 2023-01-17 Martin Liska <mliska@suse.cz>
4062 * src/libbacktrace/Makefile.in: Regenerate.
4064 2023-01-16 Jonathan Wakely <jwakely@redhat.com>
4066 * src/c++20/tzdb.cc (_GLIBCXX_USE_CXX11_ABI): Define to 1.
4068 2023-01-16 Jonathan Wakely <jwakely@redhat.com>
4071 * include/c_compatibility/stdatomic.h: Change copyright line to
4072 be consistent with other headers contributed under DCO terms.
4073 * include/std/expected: Add full stop to copyright line.
4074 * src/c++20/tzdb.cc: Likewise.
4076 2023-01-15 Gerald Pfeifer <gerald@pfeifer.com>
4078 * doc/xml/manual/status_cxx2014.xml: Switch www.open-std.org to
4080 * doc/xml/manual/status_cxx2017.xml: Ditto.
4081 * doc/xml/manual/status_cxx2020.xml: Ditto.
4082 * doc/xml/manual/status_cxx2023.xml: Ditto.
4083 * doc/html/manual/status.html: Regenerate.
4085 2023-01-15 Jonathan Wakely <jwakely@redhat.com>
4087 * testsuite/std/time/tzdb_list/1.cc: Remove dg-xfail-run-if
4088 and fail gracefully if defining the weak symbol doesn't work.
4090 2023-01-15 François Dumont <fdumont@gcc.gnu.org>
4093 * include/debug/safe_iterator.h (_Safe_iterator<>::operator++(int)): Extend deadlock
4094 fix to other iterator category.
4095 (_Safe_iterator<>::operator--(int)): Likewise.
4096 * include/debug/safe_local_iterator.h (_Safe_local_iterator<>::operator++(int)):
4098 * testsuite/util/debug/unordered_checks.h (invalid_local_iterator_pre_increment): New.
4099 (invalid_local_iterator_post_increment): New.
4100 * testsuite/23_containers/unordered_map/debug/invalid_local_iterator_post_increment_neg.cc:
4102 * testsuite/23_containers/unordered_map/debug/invalid_local_iterator_pre_increment_neg.cc:
4105 2023-01-15 Jonathan Wakely <jwakely@redhat.com>
4107 * testsuite/30_threads/jthread/jthread.cc: Remove -pthread from
4110 2023-01-15 Jonathan Wakely <jwakely@redhat.com>
4112 * testsuite/std/time/clock/utc/io.cc: Use ctype to widen char.
4114 2023-01-14 Björn Schäpers <bjoern@hazardy.de>
4116 * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Add check for
4117 windows.h. Add pecoff as FORMAT_FILE.
4118 * config.h.in: Regenerate.
4119 * configure: Regenerate.
4120 * src/libbacktrace/Makefile.am: Regenerate.
4121 * src/libbacktrace/Makefile.in: Add pecoff.c as FORMAT_FILE.
4123 2023-01-14 Björn Schäpers <bjoern@hazardy.de>
4125 * include/std/stacktrace (stacktrace_entry::_S_demangle): Use
4126 raw __name if __cxa_demangle could not demangle it.
4128 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
4131 * src/c++20/tzdb.cc (current_zone()) [_AIX]: Use TZ environment
4134 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
4136 * src/c++20/tzdb.cc (TZDB_DISABLED): Disable all code for
4138 * testsuite/std/time/tzdb/leap_seconds.cc: Require tzdb
4140 * testsuite/std/time/tzdb_list/1.cc: Likewise.
4142 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
4144 * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Replace the
4145 --with-libstdcxx-zoneinfo-dir configure option with
4146 --with-libstdcxx-zoneinfo with yes/no/static choices as well as
4148 * config.h.in: Regenerate.
4149 * configure: Regenerate.
4150 * doc/xml/manual/configure.xml: Document configure option.
4151 * doc/html/manual/configure.html: Regenerate.
4152 * src/c++20/Makefile.am: Generate tzdata.zi.h header.
4153 * src/c++20/Makefile.in: Regenerate.
4154 * src/c++20/tzdb.cc (__gnu_cxx::zoneinfo_dir_override): Return a
4155 null pointer if no directory is configured.
4156 (zoneinfo_dir): Replace with ...
4157 (zoneinfo_file): New function.
4158 (tzdata_stream): New istream class.
4159 (remote_version, reload_tzdb): Use tzdata_stream.
4160 * testsuite/lib/libstdc++.exp (check_effective_target_tzdb):
4161 Check new _GLIBCXX_STATIC_TZDATA macro and ignore presence of
4162 tzdata.zi file in default location.
4163 * src/c++20/tzdata.zi: New file.
4165 2023-01-14 Jonathan Wakely <jwakely@redhat.com>
4167 * include/bits/chrono_io.h (operator<<): Fix syntax errors.
4168 * testsuite/std/time/month_day/io.cc: New test.
4169 * testsuite/std/time/month_day_last/io.cc: New test.
4170 * testsuite/std/time/month_weekday/io.cc: New test.
4171 * testsuite/std/time/month_weekday_last/io.cc: New test.
4172 * testsuite/std/time/weekday_indexed/io.cc: New test.
4173 * testsuite/std/time/weekday_last/io.cc: New test.
4174 * testsuite/std/time/year_month/io.cc: New test.
4175 * testsuite/std/time/year_month_day_last/io.cc: New test.
4176 * testsuite/std/time/year_month_weekday/io.cc: New test.
4177 * testsuite/std/time/year_month_weekday_last/io.cc: New test.
4179 2023-01-14 François Dumont <fdumont@gcc.gnu.org>
4181 * include/std/format [_GLIBCXX_INLINE_VERSION](to_chars): Adapt __asm symbol
4183 * config/abi/pre/gnu-versioned-namespace.ver: Add to_chars/from_chars symbols
4186 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
4188 * include/bits/std_mutex.h: Include <errno.h>.
4190 2023-01-13 Arsen Arsenović <arsen@aarsen.me>
4192 * testsuite/20_util/to_chars/version.cc: Mark hosted-only.
4193 * testsuite/20_util/uses_allocator/lwg3677.cc: Ditto.
4194 * testsuite/20_util/weak_ptr/cons/self_move.cc: Ditto.
4195 * testsuite/std/ranges/adaptors/as_rvalue/1.cc: Replace usage of
4196 std::make_unique with a freestanding-compatible wrapper around
4198 * testsuite/21_strings/basic_string_view/operations/contains/char.cc:
4199 Don't test for presence of __cpp_lib_string_contains on !HOSTED.
4200 * testsuite/21_strings/basic_string_view/operations/contains/char/2.cc:
4202 * testsuite/std/ranges/version_c++23.cc: Don't test for presence
4203 of __cpp_lib_ranges in !HOSTED.
4205 2023-01-13 Arsen Arsenović <arsen@aarsen.me>
4207 * include/Makefile.am: Install bits/char_traits.h,
4209 * include/Makefile.in: Regenerate.
4210 * include/bits/char_traits.h: Gate hosted-only, wchar-only and
4211 mbstate-only bits behind appropriate #ifs.
4212 * include/std/string_view: Gate <iostream> functionality behind
4214 * include/std/version: Enable __cpp_lib_constexpr_string_view
4215 and __cpp_lib_starts_ends_with in !HOSTED.
4216 * include/std/ranges: Re-enable __is_basic_string_view on
4217 freestanding, include <string_view> directly.
4218 * include/precompiled/stdc++.h: Include <string_view> when
4220 * testsuite/20_util/function_objects/searchers.cc: Skip testing
4221 boyer_moore searchers on freestanding
4222 * testsuite/21_strings/basic_string_view/capacity/1.cc: Guard
4223 <string>-related tests behind __STDC_HOSTED__.
4224 * testsuite/21_strings/basic_string_view/cons/char/1.cc: Ditto.
4225 * testsuite/21_strings/basic_string_view/cons/char/2.cc: Remove
4226 unused <stdexcept> include.
4227 * testsuite/21_strings/basic_string_view/cons/char/3.cc: Remove
4228 unused <vector> include.
4229 * testsuite/21_strings/basic_string_view/cons/char/range.cc:
4230 Guard <string> related testing behind __STDC_HOSTED__.
4231 * testsuite/21_strings/basic_string_view/cons/wchar_t/1.cc:
4232 Guard <stdexcept> related tests behind __STDC_HOSTED__.
4233 * testsuite/21_strings/basic_string_view/element_access/char/1.cc:
4235 * testsuite/21_strings/basic_string_view/element_access/wchar_t/1.cc:
4236 Guard <stdexcept> tests behind __STDC_HOSTED__.
4237 * testsuite/21_strings/basic_string_view/operations/contains/char/2.cc:
4238 Enable test on freestanding, guard <stdexcept> bits behind
4240 * testsuite/21_strings/basic_string_view/operations/substr/char.cc:
4241 Guard <stdexcept> bits behind __STDC_HOSTED__.
4242 * testsuite/21_strings/basic_string_view/operations/substr/wchar_t.cc:
4245 2023-01-13 Dimitrij Mijoski <dmjpp@hotmail.com>
4248 * src/c++11/codecvt.cc (read_utf8_code_point): Correctly detect
4249 errors in incomplete multibyte sequences.
4250 (utf16_in): Remove surrogates parameter. Fix conditions for
4252 (utf16_out): Fix condition for returning partial.
4253 (ucs2_in): Do not pass surrogates argument to utf16_in.
4254 * testsuite/22_locale/codecvt/codecvt_unicode.cc: New test.
4255 * testsuite/22_locale/codecvt/codecvt_unicode.h: New header for
4257 * testsuite/22_locale/codecvt/codecvt_unicode_wchar_t.cc: New
4260 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
4263 * config/io/c_io_stdio.h (__c_lock): Define as a typedef for
4264 __GTHREAD_LEGACY_MUTEX_T if defined.
4266 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
4269 * config/os/gnu-linux/ldbl-extra.ver (GLIBCXX_LDBL_3.4.31):
4270 Export __try_use_facet specializations for facets in namespace
4272 * config/os/gnu-linux/ldbl-ieee128-extra.ver
4273 (GLIBCXX_IEEE128_3.4.31): Likewise for facets in namespace
4275 * testsuite/util/testsuite_abi.cc: Add to lists of known and
4278 2023-01-13 Jonathan Wakely <jwakely@redhat.com>
4280 * include/bits/std_mutex.h: Remove <system_error> include.
4281 * include/std/condition_variable: Add <bits/error_constants.h>
4283 * include/std/mutex: Likewise.
4284 * include/std/shared_mutex: Likewise.
4286 2023-01-12 Jonathan Wakely <jwakely@redhat.com>
4289 * include/experimental/memory_resource
4290 (_GLIBCXX_MAX_ALIGN_MATCHES_MALLOC): Define.
4291 (do_allocate, do_deallocate): Check it.
4292 * testsuite/experimental/memory_resource/new_delete_resource.cc:
4293 Relax expected behaviour for 64-bit hppa-hp-hpux11.11.
4295 2023-01-12 Jonathan Wakely <jwakely@redhat.com>
4297 * doc/xml/manual/abi.xml: Add latest library versions.
4298 * doc/html/manual/abi.html: Regenerate.
4300 2023-01-12 François Dumont <fdumont@gcc.gnu.org>
4303 * include/bits/stl_tree.h (_Rb_tree<>::_M_insert_range_equal): Remove
4304 unused _Alloc_node instance.
4306 2023-01-12 Jonathan Wakely <jwakely@redhat.com>
4308 * include/bits/atomic_wait.h (__detail::__platform_wait_t):
4309 Define as unsigned long if always lock-free, and unsigned int
4312 2023-01-10 Jonathan Wakely <jwakely@redhat.com>
4314 * src/c++20/tzdb.cc (tzdb_list::_S_init_tzdb): Use __try and
4315 __catch macros for exception handling.
4317 2023-01-10 Jonathan Wakely <jwakely@redhat.com>
4320 * include/bits/stl_algobase.h (__lg): Replace six overloads with
4321 a single function template for all integer types.
4322 * include/bits/stl_algo.h (__merge_adaptive_resize): Cast
4323 arithmetic results back to _Distance.
4325 2023-01-10 Jonathan Wakely <jwakely@redhat.com>
4328 * include/std/span (span::span()): Un-simplify constraint to
4329 work for size_t of lesser rank than int.
4331 2023-01-07 LIU Hao <lh_mouse@126.com>
4333 PR middle-end/108300
4334 * src/c++11/system_error.cc: Define `WIN32_LEAN_AND_MEAN` before
4336 * src/c++11/thread.cc: Likewise.
4337 * src/c++17/fs_ops.cc: Likewise.
4338 * src/filesystem/ops.cc: Likewise.
4340 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4343 * src/c++20/tzdb.cc (zoneinfo_dir): Add diagnostic pragma.
4345 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4348 * src/c++20/tzdb.cc (time_zone::_Impl::RulesCounter): New class
4349 template and partial specialization for synchronizing access to
4350 time_zone::_Impl::infos.
4351 (time_zone::_M_get_sys_info, reload_tzdb): Adjust uses of
4354 2023-01-06 Patrick Palka <ppalka@redhat.com>
4357 * include/bits/utility.h (__cpp_lib_ranges_zip): Define for C++23.
4358 * include/std/ranges (__cpp_lib_ranges_zip): Likewise.
4359 (__cpp_lib_ranges_chunk): Likewise.
4360 (__cpp_lib_ranges_slide): Likewise.
4361 (__cpp_lib_ranges_chunk_by): Likewise.
4362 (__cpp_lib_ranges_join_with): Likewise.
4363 (__cpp_lib_ranges_repeat): Likewise.
4364 (__cpp_lib_ranges_stride): Likewise.
4365 (__cpp_lib_ranges_cartesian_product): Likewise.
4366 (__cpp_lib_ranges_as_rvalue): Likewise.
4367 * include/std/version: Ditto.
4368 * testsuite/20_util/tuple/p2321r2.cc: Verify value of
4370 * testsuite/std/ranges/adaptors/as_rvalue/1.cc: Likewise.
4371 * testsuite/std/ranges/adaptors/chunk/1.cc: Likewise.
4372 * testsuite/std/ranges/adaptors/chunk_by/1.cc: Likewise.
4373 * testsuite/std/ranges/adaptors/join_with/1.cc: Likewise.
4374 * testsuite/std/ranges/adaptors/slide/1.cc: Likewise.
4375 * testsuite/std/ranges/adaptors/stride/1.cc: Likewise.
4376 * testsuite/std/ranges/cartesian_product/1.cc: Likewise.
4377 * testsuite/std/ranges/repeat/1.cc: Likewise.
4378 * testsuite/std/ranges/zip/1.cc: Likewise.
4379 * testsuite/std/ranges/version_c++23.cc: New test.
4381 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4384 * include/std/bitset (operator>>): Use alloca in the right
4385 scope, not in a constructor.
4386 * testsuite/20_util/bitset/io/input.cc: Check case from PR.
4388 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4391 * include/std/format (basic_format_arg) [!__cpp_lib_to_chars]:
4392 Disable visiting floating-point types.
4394 2023-01-06 Jonathan Wakely <jwakely@redhat.com>
4397 * include/debug/safe_iterator.h (_Safe_iterator::operator++(int))
4398 (_Safe_iterator::operator--(int)): Do not hold lock around
4399 construction of return value.
4401 2023-01-05 John David Anglin <danglin@gcc.gnu.org>
4403 * config/cpu/hppa/atomicity.h (_PA_LDCW_INSN): Define.
4404 (__exchange_and_add): Use _PA_LDCW_INSN. Use ordered store for
4405 lock release. Revise loop.
4406 (__atomic_add): Likewise.
4408 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4411 * python/libstdcxx/v6/printers.py (_utc_timezone): New global
4413 (StdChronoTimePointPrinter::to_string): Use it.
4415 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4418 * include/std/functional (_Bind_front): Add no_unique_address
4419 attribute to data members.
4420 * testsuite/20_util/function_objects/bind_front/107784.cc: Check
4421 size of call wrappers with empty types for targets and bound
4424 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4427 * src/c++20/tzdb.cc (chrono::current_zone()): Check for zone
4428 using only last component of the name.
4430 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4434 * config/abi/pre/gnu.ver: Move zoneinfo_dir_override export to
4435 the latest symbol version.
4436 * src/c++20/tzdb.cc (USE_ATOMIC_SHARED_PTR): Define to 0 if
4437 atomic<_Node*> is not always lock free.
4438 (USE_ATOMIC_LIST_HEAD): New macro.
4439 [__hpux__] (__gnu_cxx::zoneinfo_dir_override()): Provide
4440 definition of weak symbol.
4441 (tzdb_list::_Node::_S_head): Rename to _S_head_cache.
4442 (tzdb_list::_Node::_S_list_head): New function for accessing
4443 list head efficiently.
4444 (tzdb_list::_Node::_S_cache_list_head): New function for
4445 updating _S_list_head.
4447 2023-01-05 Jonathan Wakely <jwakely@redhat.com>
4450 * include/std/chrono (hh_mm_ss): Do not use chrono::abs if
4451 duration rep is unsigned.
4452 * testsuite/std/time/hh_mm_ss/1.cc: Check unsigned rep.
4454 2023-01-04 Iain Sandoe <iain@sandoe.co.uk>
4457 * config/abi/pre/gnu.ver (GLIBCXX_3.4):
4458 Add __gnu_cxx::zoneinfo_dir_override().
4460 2023-01-04 Jonathan Wakely <jwakely@redhat.com>
4463 * include/std/array (__array_traits<T, 0>::operator T*()): Add
4465 * testsuite/23_containers/array/element_access/constexpr_c++17.cc: Check
4466 std::array<T, 0>::data().
4469 Copyright (C) 2023 Free Software Foundation, Inc.
4471 Copying and distribution of this file, with or without modification,
4472 are permitted in any medium without royalty provided the copyright
4473 notice and this notice are preserved.