| blob | b668b930f7445e088d587607fa5c728b937b19ce |
1 2022-10-21 Arsen Arsenović <arsen@aarsen.me>
3 * acinclude.m4: Default hosted to off if building without
4 headers and without newlib.
5 * configure: Regenerate.
7 2022-10-21 Jonathan Wakely <jwakely@redhat.com>
9 * include/bits/mofunc_impl.h (move_only_function::__param_t):
10 Use __is_scalar instead of is_trivially_copyable.
11 * testsuite/20_util/move_only_function/call.cc: Check parameters
12 involving incomplete types.
14 2022-10-20 Patrick Palka <ppalka@redhat.com>
16 * include/std/charconv (__detail::__from_chars_alnum_to_val_table):
17 Redefine as a class template containing the members type, value and
18 _S_make_table. Don't use a local class as the table type.
19 (__detail::__table): Remove.
20 (__detail::__from_chars_alnum_to_val): Adjust after the above.
22 2022-10-19 Patrick Palka <ppalka@redhat.com>
24 * include/std/ranges (views::__detail::__is_repeat_view): Define
25 and later define a partial specialization.
26 (views::__detail::__take_of_repeat_view): Declare and later define.
27 (views::__detail::__drop_of_repeat_view): Likewise.
28 (views::_Take::operator()): Return a repeat_view if the argument
29 is a repeat_view as per P2474R2.
30 (views::_Drop::operator()): Likewise.
31 (repeat_view): Befriend __take/drop_of_repeat_view.
32 * testsuite/std/ranges/repeat/1.cc (test04): New test.
34 2022-10-19 Patrick Palka <ppalka@redhat.com>
36 PR libstdc++/107313
37 * include/std/ranges (stride_view::_Iterator::operator-): Fix typo.
38 * testsuite/std/ranges/adaptors/stride/1.cc (test03): New test.
40 2022-10-19 LIU Hao <lh_mouse@126.com>
42 * src/c++11/thread.cc (get_nprocs): Add new implementation
43 for native Windows targets
45 2022-10-19 LIU Hao <lh_mouse@126.com>
47 * libsupc++/atexit_thread.cc (__cxa_thread_atexit): Use
48 implementation from mcfgthread if available
49 * libsupc++/guard.cc (__cxa_guard_acquire, __cxa_guard_release,
50 __cxa_guard_abort): Use implementations from mcfgthread if
51 available
52 * configure: Regenerate
54 2022-10-19 Jakub Jelinek <jakub@redhat.com>
56 PR c++/106652
57 * include/std/limits: Fix a typo, 202202L -> 202002L.
58 (numeric_limits::<_Float16>::radix, numeric_limits::<_Float32>::radix,
59 numeric_limits::<_Float64>::radix, numeric_limits::<_Float128>::radix,
60 numeric_limits::<__gnu_cxx::__bfloat16_t>::radix): Use __FLT_RADIX__
61 macro instead of type specific macros.
62 * include/c_global/cmath (nextafter(_Float16, _Float16)): New
63 overload.
64 (nextafter(__gnu_cxx::__bfloat16_t, __gnu_cxx::__bfloat16_t)):
65 Likewise.
66 * testsuite/26_numerics/headers/cmath/functions_std_c++23.cc
67 (test_functions): Uncomment nextafter test. Fix up sph_neumann call.
68 * testsuite/26_numerics/headers/cmath/nextafter_c++23.cc: New test.
70 2022-10-18 Patrick Palka <ppalka@redhat.com>
72 * include/std/ranges (stride_view): Define.
73 (stride_view::_Iterator): Define.
74 (views::__detail::__can_stride_view): Define.
75 (views::_Stride, views::stride): Define.
76 * testsuite/std/ranges/adaptors/stride/1.cc: New test.
78 2022-10-18 Jakub Jelinek <jakub@redhat.com>
80 PR c++/106652
81 * include/std/stdfloat: New file.
82 * include/std/numbers (__glibcxx_numbers): Define and use it
83 for __float128 explicit instantiations as well as
84 _Float{16,32,64,128} and __gnu_cxx::__bfloat16_t.
85 * include/std/atomic (atomic<_Float16>, atomic<_Float32>,
86 atomic<_Float64>, atomic<_Float128>, atomic<__gnu_cxx::__bfloat16_t>):
87 New explicit instantiations.
88 * include/std/type_traits (__is_floating_point_helper<_Float16>,
89 __is_floating_point_helper<_Float32>,
90 __is_floating_point_helper<_Float64>,
91 __is_floating_point_helper<_Float128>,
92 __is_floating_point_helper<__gnu_cxx::__bfloat16_t>): Likewise.
93 * include/std/limits (__glibcxx_concat3_, __glibcxx_concat3,
94 __glibcxx_float_n): Define.
95 (numeric_limits<_Float16>, numeric_limits<_Float32>,
96 numeric_limits<_Float64>, numeric_limits<_Float128>,
97 numeric_limits<__gnu_cxx::__bfloat16_t>): New explicit instantiations.
98 * include/bits/std_abs.h (abs): New overloads for
99 _Float{16,32,64,128} and __gnu_cxx::__bfloat16_t.
100 * include/bits/c++config (_GLIBCXX_LDOUBLE_IS_IEEE_BINARY128): Define
101 if long double is IEEE quad.
102 (__gnu_cxx::__bfloat16_t): New using.
103 * include/c_global/cmath (acos, asin, atan, atan2, ceil, cos, cosh,
104 exp, fabs, floor, fmod, frexp, ldexp, log, log10, modf, pow, sin,
105 sinh, sqrt, tan, tanh, fpclassify, isfinite, isinf, isnan, isnormal,
106 signbit, isgreater, isgreaterequal, isless, islessequal,
107 islessgreater, isunordered, acosh, asinh, atanh, cbrt, copysign, erf,
108 erfc, exp2, expm1, fdim, fma, fmax, fmin, hypot, ilogb, lgamma,
109 llrint, llround, log1p, log2, logb, lrint, lround, nearbyint,
110 nextafter, remainder, rint, round, scalbln, scalbn, tgamma, trunc,
111 lerp): New overloads with _Float{16,32,64,128} or
112 __gnu_cxx::__bfloat16_t types.
113 * config/os/gnu-linux/os_defines.h (_GLIBCXX_HAVE_FLOAT128_MATH):
114 Prepare for definition if glibc 2.26 and later implements *f128 APIs
115 but comment out the actual definition for now.
116 * include/ext/type_traits.h (__promote<_Float16>, __promote<_Float32>,
117 __promote<_Float64>, __promote<_Float128>,
118 __promote<__gnu_cxx::__bfloat16_t>): New specializations.
119 * include/Makefile.am (std_headers): Add stdfloat.
120 * include/Makefile.in: Regenerated.
121 * include/precompiled/stdc++.h: Include stdfloat.
122 * testsuite/18_support/headers/stdfloat/types_std.cc: New test.
123 * testsuite/18_support/headers/limits/synopsis_cxx23.cc: New test.
124 * testsuite/26_numerics/headers/cmath/c99_classification_macros_c++23.cc:
125 New test.
126 * testsuite/26_numerics/headers/cmath/functions_std_c++23.cc: New test.
127 * testsuite/26_numerics/numbers/4.cc: New test.
128 * testsuite/29_atomics/atomic_float/requirements_cxx23.cc: New test.
130 2022-10-17 Jonathan Wakely <jwakely@redhat.com>
132 * include/std/charconv (__cpp_lib_constexpr_charconv): Define to
133 correct value.
134 * include/std/version (__cpp_lib_constexpr_charconv): Likewise.
135 * testsuite/20_util/to_chars/constexpr.cc: Check correct value.
136 * testsuite/20_util/to_chars/version.cc: Likewise.
138 2022-10-15 Jonathan Wakely <jwakely@redhat.com>
140 * src/c++11/debug.cc (print_raw): Move inside #if block.
142 2022-10-15 Jonathan Wakely <jwakely@redhat.com>
144 * include/bits/charconv.h (__to_chars_10_impl): Add constexpr
145 for C++23. Remove 'static' from array.
146 * include/std/charconv (__cpp_lib_constexpr_charconv): Define.
147 (__to_chars, __to_chars_16): Remove 'static' from array, add
148 constexpr.
149 (__to_chars_10, __to_chars_8, __to_chars_2, __to_chars_i)
150 (to_chars, __raise_and_add, __from_chars_pow2_base)
151 (__from_chars_alnum, from_chars): Add constexpr.
152 (__from_chars_alnum_to_val): Avoid local static during constant
153 evaluation. Add constexpr.
154 * include/std/version (__cpp_lib_constexpr_charconv): Define.
155 * testsuite/20_util/from_chars/constexpr.cc: New test.
156 * testsuite/20_util/to_chars/constexpr.cc: New test.
157 * testsuite/20_util/to_chars/version.cc: New test.
159 2022-10-15 Jonathan Wakely <jwakely@redhat.com>
161 * include/bits/stl_map.h (map::insert(Pair&&)): Use
162 remove_const_t on argument to __is_pair.
163 * include/bits/stl_pair.h (__is_pair<const pair<T,U>>): Remove
164 partial specialization.
165 * include/bits/uses_allocator_args.h (_Std_pair): Use
166 remove_cv_t as per LWG 3677.
167 * testsuite/20_util/uses_allocator/lwg3677.cc: New test.
169 2022-10-14 Jonathan Wakely <jwakely@redhat.com>
171 * libsupc++/eh_alloc.cc [USE_POOL]: New macro.
172 [!USE_POOL] (__gnu_cxx::__freeres, pool): Do not define.
173 [_GLIBCXX_EH_POOL_STATIC] (pool::arena): Do not use std::max.
174 (__cxxabiv1::__cxa_allocate_exception) [!USE_POOL]: Do not use
175 pool.
176 (__cxxabiv1::__cxa_free_exception) [!USE_POOL]: Likewise.
177 (__cxxabiv1::__cxa_allocate_dependent_exception) [!USE_POOL]:
178 Likewise.
179 (__cxxabiv1::__cxa_free_dependent_exception) [!USE_POOL]:
180 Likewise.
182 2022-10-14 Jonathan Wakely <jwakely@redhat.com>
184 * src/c++11/debug.cc (print_raw): Simplify.
185 (print_word): Print indentation by calling fprintf directly.
186 (_Error_formatter::_M_error): Print unindented string by calling
187 fprintf directly.
189 2022-10-14 Jonathan Wakely <jwakely@redhat.com>
191 * include/std/iostream: Use markdown in Doxygen comment.
193 2022-10-12 François Dumont <fdumont@gcc.gnu.org>
195 * include/debug/string: Add using _Base::compare.
196 (__gnu_debug::basic_string<>::compare(const basic_string<>&)): Remove.
197 (__gnu_debug::basic_string<>::compare(size_type, size_type, const basic_string<>&)):
198 Remove.
199 (__gnu_debug::basic_string<>::compare(size_type, size_type, const basic_string<>&,
200 size_type, size_type)): Remove.
201 * testsuite/util/testsuite_string.h [_GLIBCXX_TEST_DEBUG_STRING]: Include <debug/string>.
202 * testsuite/21_strings/basic_string/operations/compare/char/1.cc: Include testsuite_string.h
203 and use __gnu_test::string.
204 * testsuite/21_strings/basic_string/operations/compare/char/13650.cc: Likewise.
205 * testsuite/21_strings/basic_string/operations/compare/char/2.cc: Likewise.
206 * testsuite/21_strings/basic_string/operations/rfind/char/1.cc: Likewise.
207 * testsuite/21_strings/basic_string/operations/rfind/char/2.cc: Likewise.
208 * testsuite/21_strings/basic_string/operations/rfind/char/3.cc: Likewise.
209 * testsuite/21_strings/basic_string/operations/compare/wchar_t/1.cc:
210 Include testsuite_string.h
211 and use __gnu_test::wstring.
212 * testsuite/21_strings/basic_string/operations/compare/wchar_t/13650.cc: Likewise.
213 * testsuite/21_strings/basic_string/operations/compare/wchar_t/2.cc: Likewise.
215 2022-10-12 Patrick Palka <ppalka@redhat.com>
217 * include/std/ranges (repeat_view): Define.
218 (repeat_view::_Iterator): Define.
219 (views::__detail::__can_repeat_view): Define.
220 (views::__detail::__can_bounded_repeat_view): Define.
221 (views::_Repeat, views::repeat): Define.
222 * testsuite/std/ranges/repeat/1.cc: New test.
224 2022-10-12 Martin Liska <mliska@suse.cz>
226 * configure: Regenerate.
228 2022-10-11 Jonathan Wakely <jwakely@redhat.com>
230 PR bootstrap/107221
231 * libsupc++/eh_alloc.cc (pool): Change preprocessor condition
232 for using __mutex from __GTHREADS to _GLIBCXX_HOSTED.
233 (pool::allocate): Remove namespace qualification to use
234 pool::__scoped_lock instead of __gnu_cxx::__scoped_lock.
236 2022-10-11 Jonathan Wakely <jwakely@redhat.com>
238 PR libstdc++/68606
239 * Makefile.in: Regenerate.
240 * acinclude.m4 (GLIBCXX_EMERGENCY_EH_ALLOC): New macro.
241 * configure: Regenerate.
242 * configure.ac: Use GLIBCXX_EMERGENCY_EH_ALLOC.
243 * crossconfig.m4: Check for secure_getenv.
244 * doc/Makefile.in: Regenerate.
245 * doc/xml/manual/configure.xml: Document new configure options.
246 * doc/xml/manual/evolution.xml: Document addition of tunables.
247 * doc/xml/manual/using_exceptions.xml: Document emergency
248 buffer and tunables.
249 * doc/html/*: Regenerate.
250 * include/Makefile.in: Regenerate.
251 * libsupc++/Makefile.am: Use EH_POOL_FLAGS.
252 * libsupc++/Makefile.in: Regenerate.
253 * libsupc++/eh_alloc.cc (EMERGENCY_OBJ_SIZE): Define in units
254 of sizeof(void*) not including the ABI's exception header.
255 (EMERGENCY_OBJ_COUNT): Define as target-independent calculation
256 based on word size.
257 (MAX_OBJ_COUNT): Define macro for upper limit on pool size.
258 (pool) [_GLIBCXX_EH_POOL_STATIC]: Use fixed-size buffer.
259 (pool::buffer_size_in_bytes): New static member function.
260 (pool::pool): Parse GLIBCXX_TUNABLES environment variable to set
261 pool size at runtime.
262 (pool::in_pool): Use std::less<void*> for total order.
263 (__freeres) [_GLIBCXX_EH_POOL_STATIC]: Do nothing.
264 (__cxa_free_exception, __cxa_free_dependent_exception): Add
265 [[unlikely]] attributes.
266 * po/Makefile.in: Regenerate.
267 * python/Makefile.in: Regenerate.
268 * src/Makefile.in: Regenerate.
269 * src/c++11/Makefile.in: Regenerate.
270 * src/c++17/Makefile.in: Regenerate.
271 * src/c++20/Makefile.in: Regenerate.
272 * src/c++98/Makefile.in: Regenerate.
273 * src/filesystem/Makefile.in: Regenerate.
274 * src/libbacktrace/Makefile.in: Regenerate.
275 * testsuite/Makefile.in: Regenerate.
277 2022-10-11 Olivier Hainque <hainque@adacore.com>
278 Olivier Hainque <hainque@adacore.com>
280 * configure: Regenerate.
282 2022-10-10 Jonathan Wakely <jwakely@redhat.com>
284 * include/std/type_traits (make_signed, make_unsigned): Remove
285 constraints on primary template.
286 * testsuite/20_util/make_signed/requirements/typedefs_neg.cc:
287 Undo changes to expected error in C++20 mode.
288 * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
289 Likewise.
290 * testsuite/24_iterators/range_access/range_access_cpp20_neg.cc:
291 Likewise.
292 * testsuite/20_util/make_signed/requirements/uninstantiated.cc:
293 New test.
294 * testsuite/20_util/make_unsigned/requirements/uninstantiated.cc:
295 New test.
297 2022-10-10 Jonathan Wakely <jwakely@redhat.com>
299 * include/std/type_traits (make_signed, make_unsigned): Add
300 specializations for cv bool. Add requires-clause for C++20 to
301 improve diagnostics for non-integral, non-enum cases.
302 * testsuite/20_util/make_signed/requirements/typedefs_neg.cc:
303 Check cv bool.
304 * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
305 Likewise.
306 * testsuite/24_iterators/range_access/range_access_cpp20_neg.cc:
307 Adjust expected errors for C++20 and later.
308 * testsuite/lib/prune.exp: Prune "in requirements [with ...]"
309 lines from diagnostics.
311 2022-10-07 Jonathan Wakely <jwakely@redhat.com>
313 * acinclude.m4 (GLIBCXX_ENABLE_HOSTED): Add libstdcxx-hosted
314 enable arg as an alias for hosted-libstdcxx enable arg.
315 * configure: Regenerate.
317 2022-10-07 Jonathan Wakely <jwakely@redhat.com>
319 * include/bits/std_function.h: Include <new> but do not include
320 <bits/stl_function.h>.
321 * include/std/functional: Do not include <new>.
323 2022-10-07 Jonathan Wakely <jwakely@redhat.com>
325 * doc/xml/manual/intro.xml: Add role="bold" attribute to
326 emphasis elements for issue titles.
327 * doc/html/manual/bugs.html: Regenerate.
329 2022-10-05 Jonathan Wakely <jwakely@redhat.com>
331 * include/Makefile.in: Regenerate.
333 2022-10-05 Jonathan Wakely <jwakely@redhat.com>
335 * include/bits/invoke.h (__invoke_r): Check
336 __has_builtin(__reference_converts_from_temporary) before using
337 built-in.
339 2022-10-04 Jonathan Wakely <jwakely@redhat.com>
341 * testsuite/std/ranges/adaptors/join_with/1.cc: Remove unused
342 <sstream header.
343 (test04): Remove constexpr for old std::string ABI and test at
344 runtime.
346 2022-10-04 Jonathan Wakely <jwakely@redhat.com>
348 * include/std/type_traits (remove_cv): Use __remove_cv built-in.
349 (remove_reference): Use __remove_reference built-in.
350 (remove_cvref): Use __remove_cvref built-in. Remove inheritance
351 for fallback implementation.
353 2022-10-04 Jonathan Wakely <jwakely@redhat.com>
355 * include/bits/random.h (__is_seed_seq): Replace with ...
356 (_If_seed_seq_for): ... this.
357 * include/ext/random: Adjust to use _If_seed_seq_for.
359 2022-10-04 Patrick Palka <ppalka@redhat.com>
361 * include/std/ranges (join_with_view::_Iterator::operator*):
362 Replace use of std::visit with manual visitation.
363 (join_with_view::_Iterator::operator++): Likewise.
364 (join_with_view::_Iterator::operator--): Likewise.
365 (join_with_view::_Iterator::iter_move): Likewise.
366 (join_with_view::_Iterator::iter_swap): Likewise.
368 2022-10-04 Jonathan Wakely <jwakely@redhat.com>
370 * testsuite/25_algorithms/stable_sort/mem_check.cc: Do nto run
371 for freestanding.
373 2022-10-04 Jonathan Wakely <jwakely@redhat.com>
375 PR libstdc++/107139
376 * include/std/coroutine: Remove all _GLIBCXXHOSTED preprocessor
377 conditionals.
379 2022-10-04 Jonathan Wakely <jwakely@redhat.com>
381 PR libstdc++/107134
382 * include/c_global/cstdint [!_GLIBCXX_HOSTED]: Include
383 <stdint-gcc.h> directly.
385 2022-10-04 Jonathan Wakely <jwakely@redhat.com>
387 PR libstdc++/107135
388 * include/bits/functexcept.h [!_GLIBCXX_HOSTED]
389 (__throw_invalid_argument, __throw_out_of_range)
390 (__throw_out_of_range_fmt, __throw_runtime_error)
391 (__throw_overflow_error): Define inline.
392 * include/std/bitset (_M_copy_from_ptr) [!_GLIBCXX_HOSTED]:
393 Replace __builtin_abort with __throw_invalid_argument.
395 2022-10-04 Patrick Palka <ppalka@redhat.com>
397 * include/std/ranges: Include <variant> for C++23.
398 (__detail::__compatible_joinable_ranges): Define.
399 (__detail::__bidirectional_common): Define.
400 (join_with_view): Define.
401 (join_with_view::_Iterator): Define.
402 (join_with_view::_Sentinel): Define.
403 (views::__detail::__can_join_with_view): Define.
404 (views::_JoinWith, views::join_with): Define.
405 * testsuite/std/ranges/adaptors/join_with/1.cc: New test.
407 2022-10-04 Arsen Arsenović <arsen@aarsen.me>
409 * include/std/iostream: Use ///< for inline documentation.
410 * include/std/limits: Likewise.
411 * include/experimental/internet: Likewise.
413 2022-10-03 Jonathan Wakely <jwakely@redhat.com>
415 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
416 * doc/html/manual/status.html: Regenerate.
418 2022-10-03 Arsen Arsenović <arsen@aarsen.me>
420 PR libstdc++/103626
421 * testsuite/17_intro/headers/c++1998/stdc++_assert_neg.cc:
422 Require ET hosted.
423 * testsuite/18_support/aligned_alloc/aligned_alloc.cc: Likewise.
424 * testsuite/18_support/new_nothrow.cc: Likewise.
425 * testsuite/20_util/allocator/105975.cc: Likewise.
426 * testsuite/20_util/allocator/14176.cc: Likewise.
427 * testsuite/20_util/allocator/64135.cc: Likewise.
428 * testsuite/20_util/allocator/89510.cc: Likewise.
429 * testsuite/20_util/allocator/lwg3190.cc: Likewise.
430 * testsuite/20_util/allocator/overaligned.cc: Likewise.
431 * testsuite/20_util/allocator/rebind_c++20.cc: Likewise.
432 * testsuite/20_util/allocator/requirements/constexpr.cc:
433 Likewise.
434 * testsuite/20_util/allocator/requirements/explicit_instantiation/1.cc:
435 Likewise.
436 * testsuite/20_util/allocator/requirements/typedefs.cc:
437 Likewise.
438 * testsuite/20_util/allocator/requirements/typedefs_c++20.cc:
439 Likewise.
440 * testsuite/20_util/allocator/void.cc: Likewise.
441 * testsuite/20_util/allocator_traits/header-2.cc: Likewise.
442 * testsuite/20_util/allocator_traits/header.cc: Likewise.
443 * testsuite/20_util/allocator_traits/members/92878_92947.cc:
444 Likewise.
445 * testsuite/20_util/allocator_traits/members/pointers.cc:
446 Likewise.
447 * testsuite/20_util/allocator_traits/requirements/typedefs.cc:
448 Likewise.
449 * testsuite/20_util/bad_function_call/cons_virtual_derivation.cc:
450 Likewise.
451 * testsuite/20_util/bind/42593.cc: Likewise.
452 * testsuite/20_util/bitset/access/dr396.cc: Likewise.
453 * testsuite/20_util/bitset/access/to_string.cc: Likewise.
454 * testsuite/20_util/bitset/cons/16020.cc: Likewise.
455 * testsuite/20_util/bitset/cons/dr1325-2.cc: Likewise.
456 * testsuite/20_util/bitset/cons/dr396.cc: Likewise.
457 * testsuite/20_util/bitset/debug/invalidation/1.cc: Likewise.
458 * testsuite/20_util/bitset/ext/15361.cc: Likewise.
459 * testsuite/20_util/bitset/operations/13838.cc: Likewise.
460 * testsuite/20_util/bitset/operations/96303.cc: Likewise.
461 * testsuite/20_util/bitset/version.cc: Likewise.
462 * testsuite/20_util/enable_shared_from_this/56383.cc: Likewise.
463 * testsuite/20_util/enable_shared_from_this/89303.cc: Likewise.
464 * testsuite/20_util/enable_shared_from_this/members/assign.cc:
465 Likewise.
466 * testsuite/20_util/enable_shared_from_this/members/const.cc:
467 Likewise.
468 * testsuite/20_util/enable_shared_from_this/members/reinit.cc:
469 Likewise.
470 * testsuite/20_util/enable_shared_from_this/members/unique_ptr.cc:
471 Likewise.
472 * testsuite/20_util/enable_shared_from_this/members/weak_from_this.cc:
473 Likewise.
474 * testsuite/20_util/enable_shared_from_this/requirements/explicit_instantiation.cc:
475 Likewise.
476 * testsuite/20_util/forward/1.cc: Likewise.
477 * testsuite/20_util/forward/1_neg.cc: Likewise.
478 * testsuite/20_util/function/1.cc: Likewise.
479 * testsuite/20_util/function/10.cc: Likewise.
480 * testsuite/20_util/function/2.cc: Likewise.
481 * testsuite/20_util/function/3.cc: Likewise.
482 * testsuite/20_util/function/4.cc: Likewise.
483 * testsuite/20_util/function/43397.cc: Likewise.
484 * testsuite/20_util/function/48541.cc: Likewise.
485 * testsuite/20_util/function/5.cc: Likewise.
486 * testsuite/20_util/function/58569.cc: Likewise.
487 * testsuite/20_util/function/6.cc: Likewise.
488 * testsuite/20_util/function/60594.cc: Likewise.
489 * testsuite/20_util/function/65760.cc: Likewise.
490 * testsuite/20_util/function/69222.cc: Likewise.
491 * testsuite/20_util/function/7.cc: Likewise.
492 * testsuite/20_util/function/77322.cc: Likewise.
493 * testsuite/20_util/function/8.cc: Likewise.
494 * testsuite/20_util/function/9.cc: Likewise.
495 * testsuite/20_util/function/91456.cc: Likewise.
496 * testsuite/20_util/function/assign/move.cc: Likewise.
497 * testsuite/20_util/function/assign/move_target.cc: Likewise.
498 * testsuite/20_util/function/cmp/cmp_neg.cc: Likewise.
499 * testsuite/20_util/function/cons/55320.cc: Likewise.
500 * testsuite/20_util/function/cons/57465.cc: Likewise.
501 * testsuite/20_util/function/cons/72820.cc: Likewise.
502 * testsuite/20_util/function/cons/addressof.cc: Likewise.
503 * testsuite/20_util/function/cons/callable.cc: Likewise.
504 * testsuite/20_util/function/cons/deduction.cc: Likewise.
505 * testsuite/20_util/function/cons/lwg2774.cc: Likewise.
506 * testsuite/20_util/function/cons/move.cc: Likewise.
507 * testsuite/20_util/function/cons/move_target.cc: Likewise.
508 * testsuite/20_util/function/cons/noexcept.cc: Likewise.
509 * testsuite/20_util/function/cons/non_copyconstructible.cc:
510 Likewise.
511 * testsuite/20_util/function/cons/refqual.cc: Likewise.
512 * testsuite/20_util/function/cons/70692.cc: Likewise.
513 * testsuite/20_util/function/cons/deduction_c++23.cc: Likewise.
514 * testsuite/20_util/function/invoke/forwarding.cc: Likewise.
515 * testsuite/20_util/function/invoke/move_only.cc: Likewise.
516 * testsuite/20_util/function/null_pointer_comparisons.cc:
517 Likewise.
518 * testsuite/20_util/function/requirements/explicit_instantiation.cc:
519 Likewise.
520 * testsuite/20_util/function/target_no_rtti.cc: Likewise.
521 * testsuite/20_util/function_objects/83607.cc: Likewise.
522 * testsuite/20_util/function_objects/mem_fn/adl.cc: Likewise.
523 * testsuite/20_util/headers/cstdlib/functions_std.cc: Likewise.
524 * testsuite/20_util/headers/functional/types_std_c++0x.cc:
525 Likewise.
526 * testsuite/20_util/headers/memory/types_std_c++0x.cc: Likewise.
527 * testsuite/20_util/is_function/35637.cc: Likewise.
528 * testsuite/20_util/move/1.cc: Likewise.
529 * testsuite/20_util/move_only_function/call.cc: Likewise.
530 * testsuite/20_util/move_only_function/cons.cc: Likewise.
531 * testsuite/20_util/move_only_function/move.cc: Likewise.
532 * testsuite/20_util/move_only_function/version.cc: Likewise.
533 * testsuite/20_util/owner_less/cmp.cc: Likewise.
534 * testsuite/20_util/owner_less/noexcept.cc: Likewise.
535 * testsuite/20_util/owner_less/void.cc: Likewise.
536 * testsuite/20_util/pointer_safety/1.cc: Likewise.
537 * testsuite/20_util/scoped_allocator/65279.cc: Likewise.
538 * testsuite/20_util/scoped_allocator/69293_neg.cc: Likewise.
539 * testsuite/20_util/scoped_allocator/construct_pair.cc:
540 Likewise.
541 * testsuite/20_util/scoped_allocator/dr2586.cc: Likewise.
542 * testsuite/20_util/scoped_allocator/requirements/explicit_instantiation.cc:
543 Likewise.
544 * testsuite/20_util/shared_ptr/assign/assign.cc: Likewise.
545 * testsuite/20_util/shared_ptr/assign/auto_ptr.cc: Likewise.
546 * testsuite/20_util/shared_ptr/assign/auto_ptr_neg.cc: Likewise.
547 * testsuite/20_util/shared_ptr/assign/auto_ptr_rvalue.cc:
548 Likewise.
549 * testsuite/20_util/shared_ptr/assign/dr541.cc: Likewise.
550 * testsuite/20_util/shared_ptr/assign/move.cc: Likewise.
551 * testsuite/20_util/shared_ptr/assign/sfinae.cc: Likewise.
552 * testsuite/20_util/shared_ptr/assign/shared_ptr.cc: Likewise.
553 * testsuite/20_util/shared_ptr/assign/shared_ptr_neg.cc:
554 Likewise.
555 * testsuite/20_util/shared_ptr/assign/unique_ptr_lvalue_neg.cc:
556 Likewise.
557 * testsuite/20_util/shared_ptr/assign/unique_ptr_rvalue.cc:
558 Likewise.
559 * testsuite/20_util/shared_ptr/atomic/1.cc: Likewise.
560 * testsuite/20_util/shared_ptr/atomic/2.cc: Likewise.
561 * testsuite/20_util/shared_ptr/casts/1.cc: Likewise.
562 * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
563 * testsuite/20_util/shared_ptr/casts/rval.cc: Likewise.
564 * testsuite/20_util/shared_ptr/comparison/42925.cc: Likewise.
565 * testsuite/20_util/shared_ptr/comparison/86537.cc: Likewise.
566 * testsuite/20_util/shared_ptr/comparison/cmp.cc: Likewise.
567 * testsuite/20_util/shared_ptr/comparison/cmp_c++20.cc:
568 Likewise.
569 * testsuite/20_util/shared_ptr/comparison/dr1401.cc: Likewise.
570 * testsuite/20_util/shared_ptr/comparison/less.cc: Likewise.
571 * testsuite/20_util/shared_ptr/cons/39405.cc: Likewise.
572 * testsuite/20_util/shared_ptr/cons/43820_neg.cc: Likewise.
573 * testsuite/20_util/shared_ptr/cons/46910.cc: Likewise.
574 * testsuite/20_util/shared_ptr/cons/51365.cc: Likewise.
575 * testsuite/20_util/shared_ptr/cons/52924.cc: Likewise.
576 * testsuite/20_util/shared_ptr/cons/55123.cc: Likewise.
577 * testsuite/20_util/shared_ptr/cons/58659.cc: Likewise.
578 * testsuite/20_util/shared_ptr/cons/58839.cc: Likewise.
579 * testsuite/20_util/shared_ptr/cons/61036.cc: Likewise.
580 * testsuite/20_util/shared_ptr/cons/79467.cc: Likewise.
581 * testsuite/20_util/shared_ptr/cons/80229.cc: Likewise.
582 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Likewise.
583 * testsuite/20_util/shared_ptr/cons/alias.cc: Likewise.
584 * testsuite/20_util/shared_ptr/cons/array.cc: Likewise.
585 * testsuite/20_util/shared_ptr/cons/auto_ptr.cc: Likewise.
586 * testsuite/20_util/shared_ptr/cons/auto_ptr_neg.cc: Likewise.
587 * testsuite/20_util/shared_ptr/cons/copy.cc: Likewise.
588 * testsuite/20_util/shared_ptr/cons/deduction.cc: Likewise.
589 * testsuite/20_util/shared_ptr/cons/default.cc: Likewise.
590 * testsuite/20_util/shared_ptr/cons/lwg2802.cc: Likewise.
591 * testsuite/20_util/shared_ptr/cons/lwg3548.cc: Likewise.
592 * testsuite/20_util/shared_ptr/cons/move.cc: Likewise.
593 * testsuite/20_util/shared_ptr/cons/noexcept_move_construct.cc:
594 Likewise.
595 * testsuite/20_util/shared_ptr/cons/nullptr.cc: Likewise.
596 * testsuite/20_util/shared_ptr/cons/pointer.cc: Likewise.
597 * testsuite/20_util/shared_ptr/cons/unique_ptr.cc: Likewise.
598 * testsuite/20_util/shared_ptr/cons/unique_ptr_array.cc:
599 Likewise.
600 * testsuite/20_util/shared_ptr/cons/unique_ptr_deleter.cc:
601 Likewise.
602 * testsuite/20_util/shared_ptr/cons/unique_ptr_deleter_ref_1.cc:
603 Likewise.
604 * testsuite/20_util/shared_ptr/cons/unique_ptr_deleter_ref_2.cc:
605 Likewise.
606 * testsuite/20_util/shared_ptr/cons/void_neg.cc: Likewise.
607 * testsuite/20_util/shared_ptr/cons/weak_ptr.cc: Likewise.
608 * testsuite/20_util/shared_ptr/creation/36949.cc: Likewise.
609 * testsuite/20_util/shared_ptr/creation/58594-no-rtti.cc:
610 Likewise.
611 * testsuite/20_util/shared_ptr/creation/58594.cc: Likewise.
612 * testsuite/20_util/shared_ptr/creation/87278.cc: Likewise.
613 * testsuite/20_util/shared_ptr/creation/92878_92947.cc:
614 Likewise.
615 * testsuite/20_util/shared_ptr/creation/99006.cc: Likewise.
616 * testsuite/20_util/shared_ptr/creation/dr402.cc: Likewise.
617 * testsuite/20_util/shared_ptr/creation/dr925.cc: Likewise.
618 * testsuite/20_util/shared_ptr/creation/make.cc: Likewise.
619 * testsuite/20_util/shared_ptr/creation/no_rtti.cc: Likewise.
620 * testsuite/20_util/shared_ptr/creation/overwrite.cc: Likewise.
621 * testsuite/20_util/shared_ptr/creation/private.cc: Likewise.
622 * testsuite/20_util/shared_ptr/creation/single_allocation.cc:
623 Likewise.
624 * testsuite/20_util/shared_ptr/creation/single_allocation_no_rtti.cc:
625 Likewise.
626 * testsuite/20_util/shared_ptr/creation/version.cc: Likewise.
627 * testsuite/20_util/shared_ptr/dest/dest.cc: Likewise.
628 * testsuite/20_util/shared_ptr/hash/1.cc: Likewise.
629 * testsuite/20_util/shared_ptr/misc/24595.cc: Likewise.
630 * testsuite/20_util/shared_ptr/misc/42019.cc: Likewise.
631 * testsuite/20_util/shared_ptr/misc/get_deleter.cc: Likewise.
632 * testsuite/20_util/shared_ptr/misc/swap.cc: Likewise.
633 * testsuite/20_util/shared_ptr/modifiers/reset.cc: Likewise.
634 * testsuite/20_util/shared_ptr/modifiers/reset_neg.cc: Likewise.
635 * testsuite/20_util/shared_ptr/modifiers/reset_sfinae.cc:
636 Likewise.
637 * testsuite/20_util/shared_ptr/modifiers/swap.cc: Likewise.
638 * testsuite/20_util/shared_ptr/modifiers/swap_neg.cc: Likewise.
639 * testsuite/20_util/shared_ptr/observers/array.cc: Likewise.
640 * testsuite/20_util/shared_ptr/observers/bool_conv.cc: Likewise.
641 * testsuite/20_util/shared_ptr/observers/get.cc: Likewise.
642 * testsuite/20_util/shared_ptr/observers/owner_before.cc:
643 Likewise.
644 * testsuite/20_util/shared_ptr/observers/unique.cc: Likewise.
645 * testsuite/20_util/shared_ptr/observers/use_count.cc: Likewise.
646 * testsuite/20_util/shared_ptr/requirements/explicit_instantiation/1.cc:
647 Likewise.
648 * testsuite/20_util/shared_ptr/requirements/explicit_instantiation/2.cc:
649 Likewise.
650 * testsuite/20_util/shared_ptr/requirements/weak_type.cc:
651 Likewise.
652 * testsuite/20_util/specialized_algorithms/construct_at/95788.cc:
653 Likewise.
654 * testsuite/20_util/temporary_buffer.cc: Likewise.
655 * testsuite/20_util/tuple/48476.cc: Likewise.
656 * testsuite/20_util/tuple/cons/90700.cc: Likewise.
657 * testsuite/20_util/tuple/cons/96803.cc: Likewise.
658 * testsuite/20_util/tuple/cons/allocator_with_any.cc: Likewise.
659 * testsuite/20_util/tuple/cons/allocators.cc: Likewise.
660 * testsuite/20_util/tuple/cons/constexpr_allocator_arg_t.cc:
661 Likewise.
662 * testsuite/20_util/tuple/cons/explicit_construct.cc: Likewise.
663 * testsuite/20_util/tuple/p2321r2.cc: Likewise.
664 * testsuite/20_util/unique_ptr/creation/92878_92947.cc:
665 Likewise.
666 * testsuite/20_util/unique_ptr/creation/array.cc: Likewise.
667 * testsuite/20_util/unique_ptr/creation/array_neg.cc: Likewise.
668 * testsuite/20_util/unique_ptr/creation/constexpr.cc: Likewise.
669 * testsuite/20_util/unique_ptr/creation/for_overwrite.cc:
670 Likewise.
671 * testsuite/20_util/unique_ptr/creation/for_overwrite__neg.cc:
672 Likewise.
673 * testsuite/20_util/unique_ptr/creation/single.cc: Likewise.
674 * testsuite/20_util/uses_allocator/69293_neg.cc: Likewise.
675 * testsuite/20_util/uses_allocator/92878_92947.cc: Likewise.
676 * testsuite/20_util/uses_allocator/uninitialized_construct.cc:
677 Likewise.
678 * testsuite/20_util/weak_ptr/comparison/cmp_neg.cc: Likewise.
679 * testsuite/20_util/weak_ptr/cons/deduction.cc: Likewise.
680 * testsuite/20_util/weak_ptr/cons/noexcept_move_construct.cc:
681 Likewise.
682 * testsuite/20_util/weak_ptr/lock/1.cc: Likewise.
683 * testsuite/20_util/weak_ptr/observers/owner_before.cc:
684 Likewise.
685 * testsuite/20_util/weak_ptr/requirements/explicit_instantiation/1.cc:
686 Likewise.
687 * testsuite/20_util/weak_ptr/requirements/explicit_instantiation/2.cc:
688 Likewise.
689 * testsuite/21_strings/basic_string/version.cc: Likewise.
690 * testsuite/21_strings/basic_string_view/operations/contains/char/2.cc:
691 Likewise.
692 * testsuite/21_strings/c_strings/char/69626.cc: Likewise.
693 * testsuite/21_strings/char_traits/requirements/version.cc:
694 Likewise.
695 * testsuite/23_containers/vector/requirements/version.cc:
696 Likewise.
697 * testsuite/24_iterators/back_insert_iterator/requirements/base_classes.cc:
698 Likewise.
699 * testsuite/24_iterators/front_insert_iterator/requirements/base_classes.cc:
700 Likewise.
701 * testsuite/24_iterators/insert_iterator/requirements/base_classes.cc:
702 Likewise.
703 * testsuite/24_iterators/istream_iterator/requirements/base_classes.cc:
704 Likewise.
705 * testsuite/24_iterators/istreambuf_iterator/92285.cc: Likewise.
706 * testsuite/24_iterators/istreambuf_iterator/cons/sentinel.cc:
707 Likewise.
708 * testsuite/24_iterators/istreambuf_iterator/requirements/base_classes.cc:
709 Likewise.
710 * testsuite/24_iterators/istreambuf_iterator/requirements/dr445.cc:
711 Likewise.
712 * testsuite/24_iterators/ostream_iterator/requirements/base_classes.cc:
713 Likewise.
714 * testsuite/24_iterators/ostreambuf_iterator/requirements/base_classes.cc:
715 Likewise.
716 * testsuite/25_algorithms/constexpr_macro.cc: Likewise.
717 * testsuite/25_algorithms/equal/constrained.cc: Likewise.
718 * testsuite/25_algorithms/headers/cstdlib/functions_std.cc:
719 Likewise.
720 * testsuite/25_algorithms/inplace_merge/1.cc: Likewise.
721 * testsuite/25_algorithms/lexicographical_compare/constrained.cc:
722 Likewise.
723 * testsuite/25_algorithms/make_heap/movable.cc: Likewise.
724 * testsuite/25_algorithms/pstl/feature_test-4.cc: Likewise.
725 * testsuite/25_algorithms/random_shuffle/1.cc: Likewise.
726 * testsuite/25_algorithms/random_shuffle/moveable.cc: Likewise.
727 * testsuite/25_algorithms/random_shuffle/requirements/explicit_instantiation/2.cc:
728 Likewise.
729 * testsuite/25_algorithms/sort/35588.cc: Likewise.
730 * testsuite/25_algorithms/stable_partition/1.cc: Likewise.
731 * testsuite/25_algorithms/stable_partition/constrained.cc:
732 Likewise.
733 * testsuite/25_algorithms/stable_partition/mem_check.cc:
734 Likewise.
735 * testsuite/25_algorithms/stable_partition/moveable.cc:
736 Likewise.
737 * testsuite/25_algorithms/stable_partition/requirements/explicit_instantiation/2.cc:
738 Likewise.
739 * testsuite/25_algorithms/stable_partition/requirements/explicit_instantiation/pod.cc:
740 Likewise.
741 * testsuite/25_algorithms/stable_sort/1.cc: Likewise.
742 * testsuite/26_numerics/complex/2.cc: Likewise.
743 * testsuite/26_numerics/headers/cstdlib/13943.cc: Likewise.
744 * testsuite/26_numerics/headers/cstdlib/2190.cc: Likewise.
745 * testsuite/26_numerics/headers/cstdlib/60401.cc: Likewise.
746 * testsuite/26_numerics/headers/cstdlib/dr2192.cc: Likewise.
747 * testsuite/26_numerics/headers/cstdlib/dr2192_neg.cc: Likewise.
748 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: Likewise.
749 * testsuite/26_numerics/headers/cstdlib/functions_std.cc:
750 Likewise.
751 * testsuite/26_numerics/headers/cstdlib/macros.cc: Likewise.
752 * testsuite/26_numerics/headers/cstdlib/types_std.cc: Likewise.
753 * testsuite/26_numerics/headers/cstdlib/types_std_c++0x.cc:
754 Likewise.
755 * testsuite/26_numerics/lerp/version.cc: Likewise.
756 * testsuite/26_numerics/midpoint/version.cc: Likewise.
757 * testsuite/27_io/basic_syncbuf/2.cc: Likewise.
758 * testsuite/27_io/basic_syncstream/2.cc: Likewise.
759 * testsuite/27_io/fpos/14320-1.cc: Likewise.
760 * testsuite/27_io/fpos/14320-2.cc: Likewise.
761 * testsuite/27_io/fpos/14320-3.cc: Likewise.
762 * testsuite/27_io/fpos/14320-4.cc: Likewise.
763 * testsuite/27_io/spanstream/version.cc: Likewise.
764 * testsuite/29_atomics/atomic/lwg3220.cc: Likewise.
765 * testsuite/29_atomics/atomic/operators/51811.cc: Likewise.
766 * testsuite/29_atomics/atomic/wait_notify/1.cc: Likewise.
767 * testsuite/29_atomics/atomic/wait_notify/102994.cc: Likewise.
768 * testsuite/29_atomics/atomic/wait_notify/2.cc: Likewise.
769 * testsuite/29_atomics/headers/stdatomic.h/version.cc: Likewise.
770 * testsuite/30_threads/barrier/2.cc: Likewise.
771 * testsuite/30_threads/condition_variable_any/stop_token/2.cc:
772 Likewise.
773 * testsuite/30_threads/jthread/version.cc: Likewise.
774 * testsuite/30_threads/latch/2.cc: Likewise.
775 * testsuite/30_threads/semaphore/2.cc: Likewise.
776 * testsuite/30_threads/stop_token/2.cc: Likewise.
777 * testsuite/abi/pr42230.cc: Likewise.
778 * testsuite/ext/shared_ptr/1.cc: Likewise.
779 * testsuite/libstdc++-xmethods/shared_ptr.cc: Likewise.
780 * testsuite/std/ranges/adaptors/lazy_split_neg.cc: Likewise.
781 * testsuite/std/ranges/adaptors/p1739.cc: Likewise.
782 * testsuite/std/ranges/iota/lwg3292_neg.cc: Likewise.
783 * testsuite/std/ranges/p2325.cc: Likewise.
785 2022-10-03 Jonathan Wakely <jwakely@redhat.com>
787 * include/std/bitset (bitset(const C*, size_type n, C, C))
788 [!_GLIBCXX_HOSTED]: Remove std::basic_string dependency.
789 (_M_copy_from_ptr) [!_GLIBCXX_HOSTED]: Abort instead of
790 throwing.
792 2022-10-03 Arsen Arsenović <arsen@aarsen.me>
794 PR libstdc++/103626
795 * include/std/bitset [!_GLIBCXX_HOSTED]: Re-enable std::hash.
796 * testsuite/20_util/bitset/cons/constexpr_c++23.cc: Require ET
797 hosted.
798 * testsuite/20_util/bitset/ext/constexpr.cc: Likewise.
800 2022-10-03 Jonathan Wakely <jwakely@redhat.com>
802 PR libstdc++/103626
803 * testsuite/lib/libstdc++.exp (check_effective_target_stacktrace):
804 Also require hosted.
805 (check_effective_target_hosted): New proc.
807 2022-10-03 Arsen Arsenović <arsen@aarsen.me>
808 Jonathan Wakely <jwakely@redhat.com>
810 PR libstdc++/103626
811 * testsuite/17_intro/headers/c++1998/stdc++.cc [!__STDC_HOSTED__]:
812 Do not include C headers that aren't valid for freestanding.
813 * testsuite/17_intro/tag_type_explicit_ctor.cc [!__STDC_HOSTED__]:
814 Do not test tag types that aren't defined for freestanding.
815 * testsuite/18_support/headers/cstdlib/functions_std.cc: Do not
816 check for std::getenv and std::system for freestanding.
817 * testsuite/17_intro/using_namespace_std_exp_neg.cc [!__STDC_HOSTED__]:
818 Do not test hosted parts of the standard library.
819 * testsuite/17_intro/using_namespace_std_tr1_neg.cc [!__STDC_HOSTED__]:
820 Likewise.
821 * testsuite/20_util/allocator_traits/members/rebind_alloc.cc [!__STDC_HOSTED__]:
822 Likewise.
823 * testsuite/20_util/allocator_traits/requirements/explicit_instantiation.cc [!HOSTED]:
824 Likewise.
825 * testsuite/20_util/headers/bitset/synopsis.cc [!__STDC_HOSTED__]: Likewise.
826 * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc [!__STDC_HOSTED__]:
827 Likewise.
828 * testsuite/20_util/pointer_traits/requirements/typedefs.cc [!__STDC_HOSTED__]:
829 Likewise.
830 * testsuite/20_util/tuple/cons/deduction.cc [!__STDC_HOSTED__]: Likewise.
831 * testsuite/25_algorithms/move/93872.cc [!__STDC_HOSTED__]: Likewise.
832 * testsuite/std/ranges/adaptors/100577.cc [!__STDC_HOSTED__]: Likewise.
834 2022-10-03 Arsen Arsenović <arsen@aarsen.me>
836 PR libstdc++/106953
837 * include/Makefile.am [!_GLIBCXX_HOSTED]: Remove
838 install-freestanding-headers, unifying it with the usual
839 install-headers
840 * include/Makefile.in: Regenerate.
842 2022-10-03 Arsen Arsenović <arsen@aarsen.me>
843 Jonathan Wakely <jwakely@redhat.com>
845 PR libstdc++/103626
846 * include/Makefile.am: Add new header.
847 * include/Makefile.in: Regenerate.
848 * include/bits/requires_hosted.h: New header.
849 * include/experimental/algorithm: Include
850 <bits/requires_hosted.h>.
851 * include/experimental/any: Likewise.
852 * include/experimental/array: Likewise.
853 * include/experimental/buffer: Likewise.
854 * include/experimental/chrono: Likewise.
855 * include/experimental/deque: Likewise.
856 * include/experimental/executor: Likewise.
857 * include/experimental/filesystem: Likewise.
858 * include/experimental/forward_list: Likewise.
859 * include/experimental/functional: Likewise.
860 * include/experimental/internet: Likewise.
861 * include/experimental/io_context: Likewise.
862 * include/experimental/iterator: Likewise.
863 * include/experimental/list: Likewise.
864 * include/experimental/map: Likewise.
865 * include/experimental/memory: Likewise.
866 * include/experimental/memory_resource: Likewise.
867 * include/experimental/net: Likewise.
868 * include/experimental/netfwd: Likewise.
869 * include/experimental/numeric: Likewise.
870 * include/experimental/optional: Likewise.
871 * include/experimental/propagate_const: Likewise.
872 * include/experimental/random: Likewise.
873 * include/experimental/ratio: Likewise.
874 * include/experimental/regex: Likewise.
875 * include/experimental/scope: Likewise.
876 * include/experimental/set: Likewise.
877 * include/experimental/simd: Likewise.
878 * include/experimental/socket: Likewise.
879 * include/experimental/source_location: Likewise.
880 * include/experimental/string: Likewise.
881 * include/experimental/string_view: Likewise.
882 * include/experimental/system_error: Likewise.
883 * include/experimental/timer: Likewise.
884 * include/experimental/tuple: Likewise.
885 * include/experimental/unordered_map: Likewise.
886 * include/experimental/unordered_set: Likewise.
887 * include/experimental/utility: Likewise.
888 * include/experimental/vector: Likewise.
889 * include/std/barrier: Likewise.
890 * include/std/chrono: Likewise.
891 * include/std/condition_variable: Likewise.
892 * include/std/deque: Likewise.
893 * include/std/execution: Likewise.
894 * include/std/filesystem: Likewise.
895 * include/std/forward_list: Likewise.
896 * include/std/fstream: Likewise.
897 * include/std/future: Likewise.
898 * include/std/iomanip: Likewise.
899 * include/std/ios: Likewise.
900 * include/std/iosfwd: Likewise.
901 * include/std/iostream: Likewise.
902 * include/std/istream: Likewise.
903 * include/std/latch: Likewise.
904 * include/std/list: Likewise.
905 * include/std/locale: Likewise.
906 * include/std/map: Likewise.
907 * include/std/memory_resource: Likewise.
908 * include/std/mutex: Likewise.
909 * include/std/ostream: Likewise.
910 * include/std/queue: Likewise.
911 * include/std/random: Likewise.
912 * include/std/regex: Likewise.
913 * include/std/semaphore: Likewise.
914 * include/std/set: Likewise.
915 * include/std/shared_mutex: Likewise.
916 * include/std/spanstream: Likewise.
917 * include/std/sstream: Likewise.
918 * include/std/stack: Likewise.
919 * include/std/stacktrace: Likewise.
920 * include/std/stop_token: Likewise.
921 * include/std/streambuf: Likewise.
922 * include/std/string: Likewise.
923 * include/std/syncstream: Likewise.
924 * include/std/system_error: Likewise.
925 * include/std/thread: Likewise.
926 * include/std/unordered_map: Likewise.
927 * include/std/unordered_set: Likewise.
928 * include/std/valarray: Likewise.
929 * include/std/vector: Likewise.
930 * include/tr1/array: Likewise.
931 * include/tr1/ccomplex: Likewise.
932 * include/tr1/cctype: Likewise.
933 * include/tr1/cfenv: Likewise.
934 * include/tr1/cfloat: Likewise.
935 * include/tr1/cinttypes: Likewise.
936 * include/tr1/climits: Likewise.
937 * include/tr1/cmath: Likewise.
938 * include/tr1/complex: Likewise.
939 * include/tr1/complex.h: Likewise.
940 * include/tr1/cstdarg: Likewise.
941 * include/tr1/cstdbool: Likewise.
942 * include/tr1/cstdint: Likewise.
943 * include/tr1/cstdio: Likewise.
944 * include/tr1/cstdlib: Likewise.
945 * include/tr1/ctgmath: Likewise.
946 * include/tr1/ctime: Likewise.
947 * include/tr1/ctype.h: Likewise.
948 * include/tr1/cwchar: Likewise.
949 * include/tr1/cwctype: Likewise.
950 * include/tr1/fenv.h: Likewise.
951 * include/tr1/float.h: Likewise.
952 * include/tr1/functional: Likewise.
953 * include/tr1/inttypes.h: Likewise.
954 * include/tr1/limits.h: Likewise.
955 * include/tr1/math.h: Likewise.
956 * include/tr1/memory: Likewise.
957 * include/tr1/random: Likewise.
958 * include/tr1/regex: Likewise.
959 * include/tr1/stdarg.h: Likewise.
960 * include/tr1/stdbool.h: Likewise.
961 * include/tr1/stdint.h: Likewise.
962 * include/tr1/stdio.h: Likewise.
963 * include/tr1/stdlib.h: Likewise.
964 * include/tr1/tgmath.h: Likewise.
965 * include/tr1/tuple: Likewise.
966 * include/tr1/type_traits: Likewise.
967 * include/tr1/unordered_map: Likewise.
968 * include/tr1/unordered_set: Likewise.
969 * include/tr1/utility: Likewise.
970 * include/tr1/wchar.h: Likewise.
971 * include/tr1/wctype.h: Likewise.
972 * include/c_global/cmath: Likewise.
973 * include/ext/algorithm: Include <bits/requires_hosted.h>.
974 * include/ext/bitmap_allocator.h: Likewise.
975 * include/ext/cmath: Likewise.
976 * include/ext/codecvt_specializations.h: Likewise.
977 * include/ext/debug_allocator.h: Likewise.
978 * include/ext/enc_filebuf.h: Likewise.
979 * include/ext/extptr_allocator.h: Likewise.
980 * include/ext/functional: Likewise.
981 * include/ext/malloc_allocator.h: Likewise.
982 * include/ext/memory: Likewise.
983 * include/ext/mt_allocator.h: Likewise.
984 * include/ext/new_allocator.h: Likewise.
985 * include/ext/numeric: Likewise.
986 * include/ext/pod_char_traits.h: Likewise.
987 * include/ext/pool_allocator.h: Likewise.
988 * include/ext/random: Likewise.
989 * include/ext/random.tcc: Likewise.
990 * include/ext/rb_tree: Likewise.
991 * include/ext/rc_string_base.h: Likewise.
992 * include/ext/rope: Likewise.
993 * include/ext/ropeimpl.h: Likewise.
994 * include/ext/slist: Likewise.
995 * include/ext/sso_string_base.h: Likewise.
996 * include/ext/stdio_filebuf.h: Likewise.
997 * include/ext/stdio_sync_filebuf.h: Likewise.
998 * include/ext/string_conversions.h: Likewise.
999 * include/ext/throw_allocator.h: Likewise.
1000 * include/ext/vstring.h: Likewise.
1001 * include/ext/vstring.tcc: Likewise.
1002 * include/ext/vstring_fwd.h: Likewise.
1003 * include/ext/vstring_util.h: Likewise.
1004 * include/std/charconv: Likewise.
1005 (__cpp_lib_to_chars): Do not define for freestanding.
1006 * include/std/version: Adjust which macros get defined in
1007 freestanding.
1008 * include/ext/pointer.h [!_GLIBCXX_HOSTED]: Omit iostream
1009 functionality from freestanding.
1010 * include/std/algorithm [!_GLIBCXX_HOSTED]: Omit PSTL algos.
1011 * include/std/memory [!_GLIBCXX_HOSTED]: Omit
1012 <bits/stl_tempbuf.h> in freestanding
1013 * include/bits/algorithmfwd.h [!_GLIBCXX_HOSTED]: Omit leftover
1014 random_shuffle and stable_partition definition.
1015 * include/bits/stl_algo.h [!_GLIBCXX_HOSTED]: Omit
1016 random_shuffle and stable_partition from freestanding.
1017 * include/bits/ranges_algo.h [!_GLIBCXX_HOSTED]: Omit
1018 stable_partition from freestanding.
1019 * include/bits/concept_check.h: Remove needless HOSTED check.
1020 * include/std/iterator: Include <bits/ranges_base.h>.
1021 * include/std/numeric (__cpp_lib_parallel_algorithms): Do not
1022 define for freestanding.
1023 * include/std/functional (__cpp_lib_boyer_moore_searcher):
1024 Likewise.
1025 * testsuite/lib/prune.exp: Match error for hosted-only libstdc++
1026 tests.
1028 2022-10-03 Jonathan Wakely <jwakely@redhat.com>
1029 Arsen Arsenović <arsen@aarsen.me>
1031 * include/precompiled/extc++.h [!_GLIBCXX_HOSTED]: Do not
1032 include headers that aren't valid for freestanding.
1033 * include/precompiled/stdc++.h [!_GLIBCXX_HOSTED]: Likewise.
1035 2022-10-03 Arsen Arsenović <arsen@aarsen.me>
1037 * configure.ac: Remove any lines that unconditionally include
1038 <stdio.h> from ac_includes_default, when running Autoconf <2.70.
1039 * configure: Regenerate.
1041 2022-10-03 Jonathan Wakely <jwakely@redhat.com>
1043 PR libstdc++/103626
1044 * acinclude.m4 (GLIBCXX_ENABLE_HOSTED): Define _GLIBCXX_HOSTED
1045 to __STDC_HOSTED__ for non-freestanding installations.
1046 * configure: Regenerate.
1047 * include/Makefile.am (${host_builddir}/c++config.h): Adjust
1048 grep pattern.
1049 * include/Makefile.in: Regenerate.
1050 * testsuite/lib/libstdc++.exp (v3-build_support): Use
1051 -fno-freestanding.
1052 * testsuite/libstdc++-abi/abi.exp: Likewise.
1054 2022-10-03 Jonathan Wakely <jwakely@redhat.com>
1056 * testsuite/27_io/basic_ostream/inserters_other/char/6.cc:
1057 Change body of unused operator<< overload to throw if called.
1058 * testsuite/27_io/basic_ostream/inserters_other/wchar_t/6.cc:
1059 Likewise.
1061 2022-10-03 François Dumont <fdumont@gcc.gnu.org>
1063 * python/libstdcxx/v6/printers.py (Printer.add_version): Do not add version
1064 namespace for __cxx11 symbols.
1065 (add_one_template_type_printer): Likewise.
1066 (add_one_type_printer): Likewise.
1067 (FilteringTypePrinter._recognizer.recognize): Add a workaround for std::string & al
1068 ambiguous typedef matching both std:: and std::__cxx11:: symbols.
1069 * testsuite/libstdc++-prettyprinters/cxx17.cc: Remove obsolete
1070 \#define _GLIBCXX_USE_CXX11_ABI 0.
1071 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise. Adapt test to accept
1072 std::__cxx11::list.
1073 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1074 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
1075 * testsuite/libstdc++-prettyprinters/80276.cc: Likewise and remove xfail for c++20
1076 and debug mode.
1077 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
1079 2022-09-30 Jonathan Wakely <jwakely@redhat.com>
1081 * testsuite/20_util/bitset/access/to_ulong.cc: Construct bitset
1082 from binary literal instead of using stringstream.
1084 2022-09-30 Jonathan Wakely <jwakely@redhat.com>
1086 * include/std/bitset (operator>>): Use a simple buffer instead
1087 of std::basic_string.
1089 2022-09-30 Jonathan Wakely <jwakely@redhat.com>
1091 * include/std/bitset (_M_copy_from_ptr, _M_copy_from_string)
1092 (_M_copy_to_string): Change access to private.
1093 (_M_copy_from_string(const basic_string&, size_t, size_t)):
1094 Remove.
1095 (_M_copy_to_string(const basic_string&)): Remove.
1097 2022-09-30 Jonathan Wakely <jwakely@redhat.com>
1099 * testsuite/20_util/bind/ref_neg.cc: Fix dg-prune-output
1100 directive.
1102 2022-09-30 Torbjörn SVENSSON <torbjorn.svensson@foss.st.com>
1103 Yvan ROUX <yvan.roux@foss.st.com>
1105 * testsuite/20_util/bind/ref_neg.cc: Prune Windows paths too.
1107 2022-09-30 Arsen Arsenović <arsen@aarsen.me>
1109 * include/std/bitset: Include <bits/stl_algobase.h>.
1111 2022-09-29 François Dumont <fdumont@gcc.gnu.org>
1113 * python/libstdcxx/v6/printers.py (add_one_template_type_printer): Register
1114 printer for types in std::__debug namespace with template parameters in std::__8
1115 namespace.
1117 2022-09-29 Patrick Palka <ppalka@redhat.com>
1119 * include/bits/unique_ptr.h (unique_ptr<_Tp[], _Dp>): Remove
1120 __remove_cv and use __remove_cv_t instead.
1122 2022-09-29 Jonathan Wakely <jwakely@redhat.com>
1124 * include/std/type_traits (__is_invocable_impl): Check
1125 __has_builtin(__reference_converts_from_temporary) before using
1126 built-in.
1128 2022-09-28 Jonathan Wakely <jwakely@redhat.com>
1130 * doc/xml/manual/evolution.xml: Document std::bind API
1131 changes.
1132 * doc/xml/manual/intro.xml: Document LWG 2487 status.
1133 * doc/xml/manual/using.xml: Clarify default value of
1134 _GLIBCXX_USE_DEPRECATED.
1135 * doc/html/*: Regenerate.
1136 * include/std/functional (_Bind::operator()(Args&&...) volatile)
1137 (_Bind::operator()(Args&&...) const volatile)
1138 (_Bind_result::operator()(Args&&...) volatile)
1139 (_Bind_result::operator()(Args&&...) const volatile): Replace
1140 with deleted overload for C++20 and later.
1141 * testsuite/20_util/bind/cv_quals.cc: Check for deprecated
1142 warnings in C++17.
1143 * testsuite/20_util/bind/cv_quals_2.cc: Likewise, and check for
1144 ill-formed in C++20.
1146 2022-09-28 Jonathan Wakely <jwakely@redhat.com>
1148 PR libstdc++/70692
1149 * include/bits/invoke.h [__cplusplus < 201703] (__invoke_r):
1150 Remove is_invocable and is_convertible constraints.
1151 * include/std/type_traits (__is_invocable_impl::_S_conv): Use
1152 non-deduced context for parameter.
1153 (__is_invocable_impl::_S_test): Remove _Check_noex template
1154 parameter and use deduced noexcept value in its place. Add bool
1155 parameter to detect dangling references.
1156 (__is_invocable_impl::type): Adjust call to _S_test to avoid
1157 deducing unnecessary noexcept property..
1158 (__is_invocable_impl::__nothrow_type): Rename to ...
1159 (__is_invocable_impl::__nothrow_conv): ... this. Adjust call
1160 to _S_test to deduce noexcept property.
1161 * testsuite/20_util/bind/dangling_ref.cc: New test.
1162 * testsuite/20_util/function/cons/70692.cc: New test.
1163 * testsuite/20_util/function_objects/invoke/dangling_ref.cc:
1164 New test.
1165 * testsuite/20_util/is_invocable/dangling_ref.cc: New test.
1166 * testsuite/30_threads/packaged_task/cons/dangling_ref.cc:
1167 New test.
1169 2022-09-27 Jonathan Wakely <jwakely@redhat.com>
1171 PR c++/107049
1172 * testsuite/20_util/is_convertible/requirements/access.cc: New
1173 test.
1175 2022-09-27 Jonathan Wakely <jwakely@redhat.com>
1177 PR c++/106651
1178 * include/bits/std_function.h (__function_guide_t): New alias
1179 template.
1180 [__cpp_static_call_operator] (__function_guide_static_helper):
1181 New class template.
1182 (function): Use __function_guide_t in deduction guide.
1183 * include/std/future (packaged_task): Use __function_guide_t in
1184 deduction guide.
1185 * testsuite/20_util/function/cons/deduction_c++23.cc: New test.
1186 * testsuite/30_threads/packaged_task/cons/deduction_c++23.cc:
1187 New test.
1189 2022-09-26 Jonathan Wakely <jwakely@redhat.com>
1191 * include/bits/ptr_traits.h (__ptr_traits_elem) [__cpp_concepts]:
1192 Also define the __ptr_traits_elem class template for the
1193 concepts case.
1194 (pointer_traits<Ptr>): Remove constrained partial
1195 specialization.
1196 * testsuite/20_util/pointer_traits/lwg3545.cc: Check for
1197 ambiguitiy with program-defined partial specialization.
1199 2022-09-26 Jonathan Wakely <jwakely@redhat.com>
1201 * include/std/type_traits (is_convertible, is_convertible_v):
1202 Define using new built-in.
1203 (is_nothrow_convertible is_nothrow_convertible_v): Likewise.
1205 2022-09-26 Jonathan Wakely <jwakely@redhat.com>
1207 PR libstdc++/107037
1208 * include/std/bitset (_Base_bitset::_M_do_reset): Use
1209 preprocessor conditional around non-C++03 code.
1210 * testsuite/20_util/bitset/107037.cc: New test.
1212 2022-09-24 Jonathan Wakely <jwakely@redhat.com>
1214 * include/bits/alloc_traits.h (allocator_traits::is_always_equal):
1215 Only instantiate is_empty if needed.
1216 * include/bits/ptr_traits.h (__ptr_traits_impl::difference_type)
1217 (__ptr_traits_impl::rebind): Use __detected_or.
1218 * include/experimental/type_traits (is_same_v): Add a partial
1219 specialization instead of instantiating the std::is_same class
1220 template.
1221 (detected_t): Redefine in terms of detected_or_t.
1222 (is_detected, is_detected_v): Redefine in terms of detected_t.
1223 * include/std/type_traits [__cpp_concepts] (__detected_or): Add
1224 new definition using concepts.
1225 (__detector::value_t): Rename to __is_detected.
1226 * testsuite/17_intro/names.cc: Check value_t isn't used.
1228 2022-09-23 Jonathan Wakely <jwakely@redhat.com>
1230 * testsuite/20_util/is_assignable/requirements/access.cc:
1231 New test.
1233 2022-09-23 Jonathan Wakely <jwakely@redhat.com>
1235 PR libstdc++/91456
1236 * include/std/type_traits (__is_nothrow_invocable_lib): Remove.
1237 (__is_invocable_impl::__nothrow_type): New member type which
1238 checks if the conversion can throw.
1239 (__is_nt_invocable_impl): Replace class template with alias
1240 template to __is_nt_invocable_impl::__nothrow_type.
1241 * testsuite/20_util/is_nothrow_invocable/91456.cc: New test.
1242 * testsuite/20_util/is_nothrow_convertible/value.cc: Remove
1243 macro used by value_ext.cc test.
1244 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: Remove
1245 test for non-standard __is_nothrow_invocable_lib trait.
1247 2022-09-23 Marek Polacek <polacek@redhat.com>
1249 PR c++/106784
1250 * include/std/type_traits: Rename __is_nothrow_convertible to
1251 __is_nothrow_convertible_lib.
1252 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: Likewise.
1254 2022-09-23 Jonathan Wakely <jwakely@redhat.com>
1256 * include/std/bitset (operator>>): Do not copy for N==0.
1257 * testsuite/20_util/bitset/io/input.cc: Add comment.
1259 2022-09-23 Jonathan Wakely <jwakely@redhat.com>
1261 * include/debug/bitset (__debug::bitset): Add constexpr to all
1262 member functions.
1263 (operator&, operator|, operator^): Add inline and constexpr.
1264 (operator>>, operator<<): Add inline.
1265 * testsuite/20_util/bitset/access/constexpr.cc: Only check using
1266 constexpr std::string for the cxx11 ABI.
1267 * testsuite/20_util/bitset/cons/constexpr_c++23.cc: Likewise.
1268 * testsuite/20_util/headers/bitset/synopsis.cc: Check constexpr
1269 for C++23.
1271 2022-09-23 Jonathan Wakely <jwakely@redhat.com>
1273 * include/std/bitset (bitset::_M_copy_to_string): Find set bits
1274 instead of iterating over individual bits.
1276 2022-09-22 Jonathan Wakely <jwakely@redhat.com>
1278 * include/std/bitset (bitset): Add constexpr for C++23. Guard
1279 members using std::string with _GLIBCXX_HOSTED.
1280 * include/std/version (__cpp_lib_constexpr_bitset): Define.
1281 * testsuite/20_util/bitset/access/constexpr.cc: New test.
1282 * testsuite/20_util/bitset/cons/constexpr_c++23.cc: New test.
1283 * testsuite/20_util/bitset/count/constexpr.cc: New test.
1284 * testsuite/20_util/bitset/ext/constexpr.cc: New test.
1285 * testsuite/20_util/bitset/operations/constexpr_c++23.cc: New test.
1286 * testsuite/20_util/bitset/version.cc: New test.
1288 2022-09-22 Jonathan Wakely <jwakely@redhat.com>
1290 * testsuite/23_containers/bitset/18604.cc: Moved to...
1291 * testsuite/20_util/bitset/18604.cc: ...here.
1292 * testsuite/23_containers/bitset/45713.cc: Moved to...
1293 * testsuite/20_util/bitset/45713.cc: ...here.
1294 * testsuite/23_containers/bitset/to_string/dr396.cc: Moved to...
1295 * testsuite/20_util/bitset/access/dr396.cc: ...here.
1296 * testsuite/23_containers/bitset/to_string/1.cc: Moved to...
1297 * testsuite/20_util/bitset/access/to_string.cc: ...here.
1298 * testsuite/23_containers/bitset/to_ullong/1.cc: Moved to...
1299 * testsuite/20_util/bitset/access/to_ullong.cc: ...here.
1300 * testsuite/23_containers/bitset/to_ulong/1.cc: Moved to...
1301 * testsuite/20_util/bitset/access/to_ulong.cc: ...here.
1302 * testsuite/23_containers/bitset/cons/1.cc: Moved to...
1303 * testsuite/20_util/bitset/cons/1.cc: ...here.
1304 * testsuite/23_containers/bitset/cons/16020.cc: Moved to...
1305 * testsuite/20_util/bitset/cons/16020.cc: ...here.
1306 * testsuite/23_containers/bitset/cons/2.cc: Moved to...
1307 * testsuite/20_util/bitset/cons/2.cc: ...here.
1308 * testsuite/23_containers/bitset/cons/3.cc: Moved to...
1309 * testsuite/20_util/bitset/cons/3.cc: ...here.
1310 * testsuite/23_containers/bitset/cons/38244.cc: Moved to...
1311 * testsuite/20_util/bitset/cons/38244.cc: ...here.
1312 * testsuite/23_containers/bitset/cons/50268.cc: Moved to...
1313 * testsuite/20_util/bitset/cons/50268.cc: ...here.
1314 * testsuite/23_containers/bitset/cons/6282.cc: Moved to...
1315 * testsuite/20_util/bitset/cons/6282.cc: ...here.
1316 * testsuite/23_containers/bitset/cons/constexpr.cc: Moved to...
1317 * testsuite/20_util/bitset/cons/constexpr.cc: ...here.
1318 * testsuite/23_containers/bitset/cons/dr1325-1.cc: Moved to...
1319 * testsuite/20_util/bitset/cons/dr1325-1.cc: ...here.
1320 * testsuite/23_containers/bitset/cons/dr1325-2.cc: Moved to...
1321 * testsuite/20_util/bitset/cons/dr1325-2.cc: ...here.
1322 * testsuite/23_containers/bitset/cons/dr396.cc: Moved to...
1323 * testsuite/20_util/bitset/cons/dr396.cc: ...here.
1324 * testsuite/23_containers/bitset/debug/invalidation/1.cc: Moved to...
1325 * testsuite/20_util/bitset/debug/invalidation/1.cc: ...here.
1326 * testsuite/23_containers/bitset/ext/15361.cc: Moved to...
1327 * testsuite/20_util/bitset/ext/15361.cc: ...here.
1328 * testsuite/23_containers/bitset/hash/1.cc: Moved to...
1329 * testsuite/20_util/bitset/hash/1.cc: ...here.
1330 * testsuite/23_containers/bitset/input/1.cc: Moved to...
1331 * testsuite/20_util/bitset/io/input.cc: ...here.
1332 * testsuite/23_containers/bitset/count/6124.cc: Moved to...
1333 * testsuite/20_util/bitset/observers/6124.cc: ...here.
1334 * testsuite/23_containers/bitset/all/1.cc: Moved to...
1335 * testsuite/20_util/bitset/observers/all.cc: ...here.
1336 * testsuite/23_containers/bitset/test/1.cc: Moved to...
1337 * testsuite/20_util/bitset/observers/test.cc: ...here.
1338 * testsuite/23_containers/bitset/operations/1.cc: Moved to...
1339 * testsuite/20_util/bitset/operations/1.cc: ...here.
1340 * testsuite/23_containers/bitset/operations/13838.cc: Moved to...
1341 * testsuite/20_util/bitset/operations/13838.cc: ...here.
1342 * testsuite/23_containers/bitset/operations/2.cc: Moved to...
1343 * testsuite/20_util/bitset/operations/2.cc: ...here.
1344 * testsuite/23_containers/bitset/operations/96303.cc: Moved to...
1345 * testsuite/20_util/bitset/operations/96303.cc: ...here.
1346 * testsuite/23_containers/bitset/operations/constexpr-2.cc: Moved to...
1347 * testsuite/20_util/bitset/operations/constexpr-2.cc: ...here.
1348 * testsuite/23_containers/bitset/operations/constexpr.cc: Moved to...
1349 * testsuite/20_util/bitset/operations/constexpr.cc: ...here.
1350 * testsuite/23_containers/bitset/requirements/constexpr_functions.cc: Moved to...
1351 * testsuite/20_util/bitset/requirements/constexpr_functions.cc: ...here.
1352 * testsuite/23_containers/bitset/requirements/explicit_instantiation/1.cc: Moved to...
1353 * testsuite/20_util/bitset/requirements/explicit_instantiation/1.cc: ...here.
1354 * testsuite/23_containers/bitset/requirements/explicit_instantiation/1_c++0x.cc: Moved to...
1355 * testsuite/20_util/bitset/requirements/explicit_instantiation/1_c++0x.cc: ...here.
1356 * testsuite/23_containers/headers/bitset/synopsis.cc: Moved to...
1357 * testsuite/20_util/headers/bitset/synopsis.cc: ...here.
1359 2022-09-22 François Dumont <fdumont@gcc.gnu.org>
1361 * python/libstdcxx/v6/printers.py: Remove ptinter registration for non-existing
1362 types std::__debug::unique_ptr, std::__debug::stack, std::__debug::queue,
1363 std::__debug::priority_queue.
1365 2022-09-21 Jonathan Wakely <jwakely@redhat.com>
1367 PR libstdc++/91456
1368 * testsuite/20_util/function/91456.cc: Add comment with PR
1369 number.
1370 * testsuite/20_util/is_invocable/91456.cc: Likewise. Replace
1371 std::function checks with std::is_invocable_r checks.
1373 2022-09-21 Jonathan Wakely <jwakely@redhat.com>
1375 * testsuite/17_intro/headers/c++1998/all_attributes.cc: Remove
1376 unnecessary main function.
1377 * testsuite/17_intro/headers/c++2011/all_attributes.cc:
1378 Likewise.
1379 * testsuite/17_intro/headers/c++2014/all_attributes.cc:
1380 Likewise.
1381 * testsuite/17_intro/headers/c++2017/all_attributes.cc:
1382 Likewise.
1383 * testsuite/17_intro/headers/c++2020/all_attributes.cc:
1384 Likewise.
1386 2022-09-21 Jonathan Wakely <jwakely@redhat.com>
1388 * testsuite/20_util/headers/memory/synopsis.cc: Add declarations
1389 from C++11 and later.
1391 2022-09-21 Jonathan Wakely <jwakely@redhat.com>
1393 * doc/xml/manual/documentation_hacking.xml: Remove trailing
1394 whitespace.
1395 * doc/xml/manual/policy_data_structures.xml: Likewise.
1397 2022-09-21 Jonathan Wakely <jwakely@redhat.com>
1399 * include/c_compatibility/stdlib.h [!_GLIBCXX_HOSTED]: Add
1400 using-declaration for _Exit.
1402 2022-09-21 Jonathan Wakely <jwakely@redhat.com>
1404 * testsuite/18_support/uncaught_exception/14026.cc: Qualify
1405 call to std::abort.
1407 2022-09-21 Jonathan Wakely <jwakely@redhat.com>
1409 * include/bits/ranges_base.h: Include <initializer_list>.
1411 2022-09-20 Jonathan Wakely <jwakely@redhat.com>
1413 * include/c_global/cstdlib [!_GLIBCXX_HOSTED] (quick_exit): Fix
1414 missing space.
1416 2022-09-16 Jonathan Wakely <jwakely@redhat.com>
1418 PR libstdc++/106953
1419 * include/backward/auto_ptr.h [!_GLIBCXX_HOSTED]: Do not define
1420 shared_ptr members.
1421 * include/bits/alloc_traits.h [!_GLIBCXX_HOSTED]: Do not declare
1422 std::allocator_traits<std::allocator<T>> specializations for
1423 freestanding.
1424 * include/bits/memoryfwd.h [!_GLIBCXX_HOSTED] (allocator): Do
1425 not declare for freestanding.
1426 * include/bits/stl_algo.h [!_GLIBCXX_HOSTED] (stable_partition):
1427 Do not define for freestanding.
1428 [!_GLIBCXX_HOSTED] (merge, stable_sort): Do not use temporary
1429 buffers for freestanding.
1430 * include/bits/stl_algobase.h [!_GLIBCXX_HOSTED]: Do not declare
1431 streambuf iterators and overloaded algorithms using them.
1432 * include/bits/stl_uninitialized.h [!_GLIBCXX_HOSTED]: Do not
1433 define specialized overloads for std::allocator.
1434 * include/bits/unique_ptr.h [!_GLIBCXX_HOSTED] (make_unique)
1435 (make_unique_for_overwrite, operator<<): Do not define for
1436 freestanding.
1437 * include/c_global/cstdlib [!_GLIBCXX_HOSTED] (_Exit): Declare.
1438 Use _GLIBCXX_NOTHROW instead of throw().
1439 * include/debug/assertions.h [!_GLIBCXX_HOSTED]: Ignore
1440 _GLIBCXX_DEBUG for freestanding.
1441 * include/debug/debug.h [!_GLIBCXX_DEBUG]: Likewise.
1442 * include/std/bit [!_GLIBCXX_HOSTED]: Do not use the custom
1443 __int_traits if <ext/numeric_traits.h> is available.
1444 * include/std/functional [!_GLIBCXX_HOSTED]: Do not include
1445 headers that aren't valid for freestanding.
1446 (boyer_moore_searcher, boyer_moore_horspool_searcher): Do not
1447 define for freestanding.
1448 * include/std/iterator [!_GLIBCXX_HOSTED]: Do not include
1449 headers that aren't valid for freestanding.
1450 * include/std/memory [!_GLIBCXX_HOSTED]: Likewise.
1451 * include/std/ranges [!_GLIBCXX_HOSTED] (istream_view): Do not
1452 define for freestanding.
1453 (views::__detail::__is_basic_string_view) [!_GLIBCXX_HOSTED]:
1454 Do not define partial specialization for freestanding.
1456 2022-09-16 Jonathan Wakely <jwakely@redhat.com>
1458 * include/bits/alloc_traits.h (__alloc_swap)
1459 (__shrink_to_fit_aux): Move here, from ...
1460 * include/bits/allocator.h: ... here.
1461 * include/ext/alloc_traits.h: Do not include allocator.h.
1463 2022-09-16 Jonathan Wakely <jwakely@redhat.com>
1465 * include/bits/stl_algo.h: Include <bits/stl_algobase.h>.
1466 * include/bits/stl_tempbuf.h: Include headers for __try and
1467 __catch macros, std::pair, and __gnu_cxx::__numeric_traits.
1468 * include/bits/stream_iterator.h: Include <iosfwd> and headers
1469 for std::addressof and std::iterator.
1470 * include/bits/streambuf_iterator.h: Include header for
1471 std::iterator.
1472 * include/std/iterator: Do not include <iosfwd>.
1474 2022-09-16 Jonathan Wakely <jwakely@redhat.com>
1476 * testsuite/29_atomics/atomic_ref/compare_exchange_padding.cc:
1477 Store value with non-zero padding bits after construction.
1479 2022-09-16 Jonathan Wakely <jwakely@redhat.com>
1481 * include/tr1/random.h (__detail::_Adaptor::_BEngine): Remove.
1482 (__detail::_Adaptor::_M_g): Make public.
1483 (__detail::_Adaptor<_Engine*, _Dist>): Remove partial
1484 specialization.
1485 (variate_generate::_Value): New helper to simplify handling of
1486 _Engine* and _Engine& template arguments.
1487 (variate_generate::engine_value_type): Define to underlying
1488 engine type, not adapted type.
1489 (variate_generate::engine()): Return underlying engine instead
1490 of adaptor.
1491 * testsuite/tr1/5_numerical_facilities/random/variate_generator/37986.cc:
1492 Fix comment.
1493 * testsuite/tr1/5_numerical_facilities/random/variate_generator/requirements/typedefs.cc:
1494 Check member typedefs have the correct types.
1496 2022-09-16 Jonathan Wakely <jwakely@redhat.com>
1498 * include/debug/formatter.h [_GLIBCXX_DEBUG_BACKTRACE]
1499 (_Error_formatter): Use 0 as null pointer constant.
1501 2022-09-16 Jonathan Wakely <jwakely@redhat.com>
1503 * include/bits/allocator.h (__alloc_neq): Remove.
1504 * include/bits/stl_list.h (list::_M_check_equal_allocators):
1505 Compare allocators directly, without __alloc_neq.
1507 2022-09-16 Jonathan Wakely <jwakely@redhat.com>
1509 * doc/doxygen/user.cfg.in (PREDEFINED): Remove __allocator_base.
1510 * include/bits/allocator.h: Fix nesting of Doxygen commands.
1512 2022-09-16 Jonathan Wakely <jwakely@redhat.com>
1514 * doc/xml/manual/abi.xml: Document GLIBCXX_3.4.30 and
1515 GLIBCXX_3.4.31 versions.
1516 * doc/html/manual/abi.html: Regenerate.
1518 2022-09-15 Jonathan Wakely <jwakely@redhat.com>
1520 * include/std/memory: Do not include <bits/stl_algobase.h>.
1522 2022-09-15 Jonathan Wakely <jwakely@redhat.com>
1524 * include/bits/shared_ptr_atomic.h (_GLIBCXX_TSAN_MUTEX_PRE_LOCK):
1525 Replace with ...
1526 (_GLIBCXX_TSAN_MUTEX_TRY_LOCK): ... this, add try_lock flag.
1527 (_GLIBCXX_TSAN_MUTEX_TRY_LOCK_FAILED): New macro using
1528 try_lock_failed flag
1529 (_GLIBCXX_TSAN_MUTEX_POST_LOCK): Rename to ...
1530 (_GLIBCXX_TSAN_MUTEX_LOCKED): ... this.
1531 (_GLIBCXX_TSAN_MUTEX_PRE_UNLOCK): Remove invalid flag.
1532 (_GLIBCXX_TSAN_MUTEX_POST_UNLOCK): Remove invalid flag.
1533 (_Sp_atomic::_Atomic_count::lock): Use new macros.
1535 2022-09-15 Patrick Palka <ppalka@redhat.com>
1537 * include/bits/ranges_algo.h (__adjacent_find_fn, adjacent_find):
1538 Move to ...
1539 * include/bits/ranges_util.h: ... here.
1540 * include/std/ranges (chunk_by_view): Define.
1541 (chunk_by_view::_Iterator): Define.
1542 (__detail::__can_chunk_by_view): Define.
1543 (_ChunkBy, chunk_by): Define.
1544 * testsuite/std/ranges/adaptors/chunk_by/1.cc: New test.
1546 2022-09-15 François Dumont <fdumont@gcc.gnu.org>
1548 * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc:
1549 Adapt dg-prune-output to _GLIBCXX_INLINE_VERSION mode.
1551 2022-09-15 François Dumont <fdumont@gcc.gnu.org>
1553 * config/abi/pre/gnu-versioned-namespace.ver: Remove obsolete std::__detail::__8
1554 symbols.
1556 2022-09-14 Jonathan Wakely <jwakely@redhat.com>
1558 * include/bits/shared_ptr_atomic.h (_GLIBCXX_TSAN_MUTEX_DESTROY)
1559 (_GLIBCXX_TSAN_MUTEX_PRE_LOCK, _GLIBCXX_TSAN_MUTEX_POST_LOCK)
1560 (_GLIBCXX_TSAN_MUTEX_PRE_UNLOCK, _GLIBCXX_TSAN_MUTEX_POST_UNLOCK)
1561 (_GLIBCXX_TSAN_MUTEX_PRE_SIGNAL, _GLIBCXX_TSAN_MUTEX_POST_SIGNAL):
1562 Define macros for TSan annotation functions.
1563 (_Sp_atomic::_Atomic_count): Add annotations.
1565 2022-09-14 Jonathan Wakely <jwakely@redhat.com>
1567 * include/bits/stl_tempbuf.h: Include <new>.
1569 2022-09-14 Jonathan Wakely <jwakely@redhat.com>
1571 * testsuite/17_intro/names.cc: Explain why poison pragma can't
1572 be used.
1574 2022-09-14 Jonathan Wakely <jwakely@redhat.com>
1576 * include/std/future
1577 (_State_baseV2::__setter(exception_ptr&, promise&)): Add
1578 assertion for LWG 2276 precondition.
1579 * testsuite/30_threads/promise/members/set_exception_neg.cc:
1580 New test.
1582 2022-09-14 Jonathan Wakely <jwakely@redhat.com>
1584 * doc/xml/manual/intro.xml: Document LWG 1203.
1585 * doc/html/*: Regenerate.
1587 2022-09-14 Philipp Fent <fent@in.tum.de>
1589 * python/libstdcxx/v6/printers.py (access_streambuf_ptrs):
1590 New helper function.
1591 (StdStringBufPrinter, StdStringStreamPrinter): New printers.
1592 (build_libstdcxx_dictionary): Register stringstream printers.
1593 * testsuite/libstdc++-prettyprinters/debug.cc: Check string
1594 streams.
1595 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
1596 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1598 2022-09-13 Patrick Palka <ppalka@redhat.com>
1600 * include/std/ranges (__detail::__slide_caches_nothing): Define.
1601 (__detail::__slide_caches_last): Define.
1602 (__detail::__slide_caches_first): Define.
1603 (slide_view): Define.
1604 (enable_borrowed_range<slide_view>): Define.
1605 (slide_view::_Iterator): Define.
1606 (slide_view::_Sentinel): Define.
1607 (views::__detail::__can_slide_view): Define.
1608 (views::_Slide, views::slide): Define.
1609 * testsuite/std/ranges/adaptors/slide/1.cc: New test.
1611 2022-09-13 Patrick Palka <ppalka@redhat.com>
1613 * include/std/ranges (__detail::__div_ceil): Define.
1614 (chunk_view): Define.
1615 (chunk_view::_OuterIter): Define.
1616 (chunk_view::_OuterIter::value_type): Define.
1617 (chunk_view::_InnerIter): Define.
1618 (chunk_view<_Vp>): Define partial specialization for forward
1619 ranges.
1620 (enable_borrowed_range<chunk_view>): Define.
1621 (chunk_view<_Vp>::_Iterator): Define.
1622 (views::__detail::__can_chunk_view): Define.
1623 (views::_Chunk, views::chunk): Define.
1624 * testsuite/std/ranges/adaptors/chunk/1.cc: New test.
1626 2022-09-13 Patrick Palka <ppalka@redhat.com>
1628 * include/std/ranges (join_view::_Iterator::_M_satisfy):
1629 Adjust resetting _M_inner as per LWG 3569.
1630 (join_view::_Iterator::_M_inner): Wrap in std::optional
1631 as per LWG 3569.
1632 (join_view::_Iterator::_Iterator): Relax constraints as
1633 per LWG 3569.
1634 (join_view::_Iterator::operator*): Adjust as per LWG 3569.
1635 (join_view::_Iterator::operator->): Likewise.
1636 (join_view::_Iterator::operator++): Likewise.
1637 (join_view::_Iterator::operator--): Likewise.
1638 (join_view::_Iterator::iter_move): Likewise.
1639 (join_view::_Iterator::iter_swap): Likewise.
1640 * testsuite/std/ranges/adaptors/join.cc (test14): New test.
1642 2022-09-13 Patrick Palka <ppalka@redhat.com>
1644 * include/debug/safe_iterator.h (_GLIBCXX_DEBUG_VERIFY_OPERANDS):
1645 Add parentheses to avoid -Wparentheses warning.
1647 2022-09-12 Patrick Palka <ppalka@redhat.com>
1649 PR libstdc++/106320
1650 * testsuite/std/ranges/adaptors/join.cc (test13): New test.
1652 2022-09-12 Jonathan Wakely <jwakely@redhat.com>
1654 * testsuite/19_diagnostics/error_code/cons/lwg3629.cc: Fix
1655 comments.
1656 * testsuite/19_diagnostics/error_condition/cons/lwg3629.cc:
1657 Likewise.
1659 2022-09-12 Jakub Jelinek <jakub@redhat.com>
1661 PR tree-optimization/105329
1662 * acinclude.m4 (libtool_VERSION): Change to 6:31:0.
1663 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Don't export
1664 std::basic_string methods with name length of 15.
1665 (GLIBCXX_3.4.31): Export std::basic_string::_M_replace_cold.
1666 * testsuite/util/testsuite_abi.cc (check_version): Handle
1667 GLIBCXX_3.4.31.
1668 * include/bits/basic_string.h (std::basic_string::_M_replace_cold):
1669 Declare.
1670 * include/bits/basic_string.tcc (std::basic_string::_M_replace_cold):
1671 Define and export even for C++20.
1672 (std::basic_string::_M_replace): Use __builtin_expect, outline
1673 the overlapping case to _M_replace_cold.
1674 * configure: Regenerated.
1676 2022-09-09 Jonathan Wakely <jwakely@redhat.com>
1678 * include/bits/atomic_base.h (__atomic_impl::__compare_exchange):
1679 Rename __weak to __is_weak.
1680 * testsuite/17_intro/names.cc: Add __weak and __strong.
1682 2022-09-09 Patrick Palka <ppalka@redhat.com>
1684 PR libstdc++/106803
1685 * include/std/ranges (views::_ZipTransform::operator()): Correct
1686 return type in the empty case.
1687 (views::_AdjacentTransform::operator()): Likewise.
1689 2022-09-09 Patrick Palka <ppalka@redhat.com>
1691 PR libstdc++/106798
1692 * include/std/ranges (adjacent_view::_Iterator::_Iterator): Fix
1693 typo.
1694 * testsuite/std/ranges/adaptors/adjacent/1.cc (test04): New test.
1696 2022-09-09 Patrick Palka <ppalka@redhat.com>
1698 PR libstdc++/106766
1699 * include/std/ranges (zip_view::_Iterator::operator-): Use
1700 __to_unsigned_like instead of make_unsigned_t.
1701 (zip_view::_Sentinel::operator-): Likewise.
1702 * testsuite/std/ranges/zip/1.cc (test04): New test.
1704 2022-09-08 François Dumont <fdumont@gcc.gnu.org>
1706 * testsuite/util/testsuite_performance.h (__gnu_test::MallocInfo): New.
1707 (__gnu_test::malloc_info): New, replace mallinfo on current platform
1708 supporting it and use mallinfo2 when glibc >= 2.33.
1710 2022-09-08 Jonathan Wakely <jwakely@redhat.com>
1712 PR c++/106838
1713 * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc:
1714 Prune additional errors from front-end.
1715 * testsuite/20_util/is_move_constructible/incomplete_neg.cc:
1716 Likewise.
1717 * testsuite/20_util/is_nothrow_swappable/incomplete_neg.cc:
1718 Likewise.
1719 * testsuite/20_util/is_nothrow_swappable_with/incomplete_neg.cc:
1720 Likewise.
1721 * testsuite/20_util/is_swappable_with/incomplete_neg.cc:
1722 Likewise.
1724 2022-09-08 Jonathan Wakely <jwakely@redhat.com>
1726 * include/c_global/cstddef (byte): Add always_inline attribute
1727 to all operator overloads.
1728 (to_integer): Add always_inline attribute.
1730 2022-09-08 Thomas Rodgers <trodgers@redhat.com>
1731 Jakub Jelinek <jakub@redhat.com>
1732 Jonathan Wakely <jwakely@redhat.com>
1734 * include/bits/atomic_base.h (__atomic_impl::__maybe_has_padding):
1735 New function.
1736 (__atomic_impl::clear_padding): Likewise.
1737 (__atomic_impl::__compare_exchange): Likewise.
1738 (__atomic_impl::compare_exchange_weak): Delegate to
1739 __compare_exchange.
1740 (__atomic_impl::compare_exchange_strong): Likewise.
1741 * include/std/atomic (atomic<T>::atomic(T)): Clear padding when
1742 possible in a constexpr function.
1743 (atomic::store): Clear padding.
1744 (atomic::exchange): Likewise.
1745 (atomic::compare_exchange_weak): Use __compare_exchange.
1746 (atomic::compare_exchange_strong): Likewise.
1747 * testsuite/29_atomics/atomic/compare_exchange_padding.cc: New
1748 test.
1749 * testsuite/29_atomics/atomic_ref/compare_exchange_padding.cc:
1750 New test.
1752 2022-09-08 Jonathan Wakely <jwakely@redhat.com>
1754 * include/std/system_error (__adl_only::make_error_code): Add
1755 deleted function.
1756 (__adl_only::make_error_condition): Likewise.
1757 (error_code::error_code(ErrorCodeEnum)): Add using-declaration
1758 for deleted function.
1759 (error_condition::error_condition(ErrorConditionEnum)):
1760 Likewise.
1761 * testsuite/19_diagnostics/error_code/cons/lwg3629.cc: New test.
1762 * testsuite/19_diagnostics/error_condition/cons/lwg3629.cc: New test.
1764 2022-09-07 Jonathan Wakely <jwakely@redhat.com>
1766 * include/std/barrier: Add missing runtime exception.
1768 2022-09-07 Patrick Palka <ppalka@redhat.com>
1770 * include/std/type_traits (is_reference): Make the primary
1771 template derive from false_type. Define two partial
1772 specializations that derive from true_type.
1774 2022-09-07 Patrick Palka <ppalka@redhat.com>
1776 * include/std/type_traits (__is_void_helper): Remove.
1777 (is_void): Make the primary template derive from false_type,
1778 and define four explicit specializations that derive from
1779 true_type.
1780 (__is_null_pointer_helper, is_null_pointer): Likewise.
1782 2022-09-07 Jason Merrill <jason@redhat.com>
1784 * libsupc++/dyncast.cc (__dynamic_cast): Avoid virtual function
1785 call in simple success case.
1787 2022-09-06 Philipp Fent <fent@in.tum.de>
1789 * testsuite/libstdc++-prettyprinters/48362.cc: Fix expected
1790 tuple indices.
1791 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
1793 2022-09-05 Jonathan Wakely <jwakely@redhat.com>
1795 * include/std/type_traits (__success_type, __failure_type): Move
1796 definitions later in the file.
1798 2022-09-05 Jonathan Wakely <jwakely@redhat.com>
1800 * include/std/type_traits (is_trivial_v, is_trivially_copyable_v)
1801 (is_standard_layout_v, is_pod_v, is_literal_type_v): Use
1802 built-in instead of class template.
1803 (is_same_v): Add partial specialization for true case.
1805 2022-09-02 Patrick Palka <ppalka@redhat.com>
1807 * include/std/tuple (tuple::_UseOtherCtor): Use ::type when
1808 deriving from __and_, __or_ or __not_.
1809 * include/std/type_traits (negation): Likewise.
1810 (is_unsigned): Likewise.
1811 (__is_implicitly_default_constructible): Likewise.
1812 (is_trivially_destructible): Likewise.
1813 (__is_nt_invocable_impl): Likewise.
1815 2022-09-02 Jonathan Wakely <jwakely@redhat.com>
1817 * include/std/type_traits (is_constructible_v)
1818 (is_default_constructible_v, is_copy_constructible_v)
1819 (is_move_constructible_v): Define using __is_constructible.
1820 (is_assignable_v, is_copy_assignable_v, is_move_assignable_v):
1821 Define using __is_assignable.
1822 (is_trivially_constructible_v)
1823 (is_trivially_default_constructible_v)
1824 (is_trivially_copy_constructible_v)
1825 (is_trivially_move_constructible_v): Define using
1826 __is_trivially_constructible.
1827 (is_trivially_assignable_v, is_trivially_copy_assignable_v)
1828 (is_trivially_move_assignable_v): Define using
1829 __is_trivially_assignable.
1830 (is_nothrow_constructible_v)
1831 (is_nothrow_default_constructible_v)
1832 (is_nothrow_copy_constructible_v)
1833 (is_nothrow_move_constructible_v): Define using
1834 __is_nothrow_constructible.
1835 (is_nothrow_assignable_v, is_nothrow_copy_assignable_v)
1836 (is_nothrow_move_assignable_v): Define using
1837 __is_nothrow_assignable.
1839 2022-09-02 Patrick Palka <ppalka@redhat.com>
1841 * include/std/type_traits (__or_, __and_, __not_): Redefine as a
1842 class template instead of as an alias template.
1843 * testsuite/20_util/logical_traits/requirements/short_circuit.cc:
1844 Add more tests for conjunction and disjunction. Add corresponding
1845 tests for __and_ and __or_.
1847 2022-09-01 Jonathan Wakely <jwakely@redhat.com>
1849 * include/std/ranges (adjacent_transform_view::_Iterator): Add
1850 typename keyword before dependent qualified-id.
1852 2022-09-01 Jonathan Wakely <jwakely@redhat.com>
1854 * include/std/type_traits (__is_referenceable): Remove.
1855 (__add_lvalue_reference_helper, __add_rvalue_reference_helper):
1856 Use __void_t instead of __is_referenceable.
1857 (__add_pointer_helper): Likewise.
1858 (add_pointer): Add partial specializations for reference types.
1860 2022-09-01 Jonathan Wakely <jwakely@redhat.com>
1862 * include/std/type_traits (__is_constructible_impl): Replace
1863 class template with alias template.
1864 (is_default_constructible, is_nothrow_constructible)
1865 (is_nothrow_constructible): Simplify base-specifier.
1866 (__is_copy_constructible_impl, __is_move_constructible_impl)
1867 (__is_nothrow_copy_constructible_impl)
1868 (__is_nothrow_move_constructible_impl): Remove class templates.
1869 (is_copy_constructible, is_move_constructible)
1870 (is_nothrow_constructible, is_nothrow_default_constructible)
1871 (is_nothrow_copy_constructible, is_nothrow_move_constructible):
1872 Adjust base-specifiers to use __is_constructible_impl.
1873 (__is_copy_assignable_impl, __is_move_assignable_impl)
1874 (__is_nt_copy_assignable_impl, __is_nt_move_assignable_impl):
1875 Remove class templates.
1876 (__is_assignable_impl): New alias template.
1877 (is_assignable, is_copy_assignable, is_move_assignable):
1878 Adjust base-specifiers to use new alias template.
1879 (is_nothrow_copy_assignable, is_nothrow_move_assignable):
1880 Adjust base-specifiers to use existing alias template.
1881 (__is_trivially_constructible_impl): New alias template.
1882 (is_trivially_constructible, is_trivially_default_constructible)
1883 (is_trivially_copy_constructible)
1884 (is_trivially_move_constructible): Adjust base-specifiers to use
1885 new alias template.
1886 (__is_trivially_assignable_impl): New alias template.
1887 (is_trivially_assignable, is_trivially_copy_assignable)
1888 (is_trivially_move_assignable): Adjust base-specifier to use
1889 new alias template.
1890 (__add_lval_ref_t, __add_rval_ref_t): New alias templates.
1891 (add_lvalue_reference, add_rvalue_reference): Use new alias
1892 templates.
1894 2022-09-01 Jonathan Wakely <jwakely@redhat.com>
1896 * include/std/type_traits (__decay_selector): Add partial
1897 specializations for array types. Only check for function types
1898 when not dealing with an array.
1899 (decay): Add partial specializations for reference types.
1901 2022-09-01 Jonathan Wakely <jwakely@redhat.com>
1903 * include/std/type_traits (is_lvalue_reference_v)
1904 (is_rvalue_reference_v, is_reference_v, is_const_v)
1905 (is_volatile_v): Define using partial specializations instead
1906 of instantiating class templates.
1908 2022-09-01 Jonathan Wakely <jwakely@redhat.com>
1910 * include/std/type_traits (is_enum_v, is_class_v, is_union_v)
1911 (is_empty_v, is_polymoprhic_v, is_abstract_v, is_final_v)
1912 (is_base_of_v, is_aggregate_v): Use built-in directly instead of
1913 instantiating class template.
1915 2022-09-01 Jonathan Wakely <jwakely@redhat.com>
1917 * include/std/type_traits (is_scoped_enum): Remove workaround.
1919 2022-09-01 Patrick Palka <ppalka@redhat.com>
1921 * include/std/ranges (__detail::__unarize): Define.
1922 (adjacent_view::_Iterator): Befriend adjacent_transform_view.
1923 (adjacent_transform_view): Define.
1924 (adjacent_transform_view::_Iterator): Define.
1925 (adjacent_transform_view::_Sentinel): Define.
1926 (views::__detail::__can_adjacent_transform_view): Define.
1927 (views::_AdjacentTransform): Define.
1928 (views::adjacent_transform): Define.
1929 (views::pairwise_transform): Define.
1930 * testsuite/std/ranges/adaptors/adjacent_transform/1.cc: New test.
1932 2022-09-01 Jonathan Wakely <jwakely@redhat.com>
1934 * include/std/type_traits (__is_array_known_bounds): Add partial
1935 specialization instead of using std::extent.
1936 (__is_array_unknown_bounds): Likewise.
1937 (extent): Add partial specializations to stop recursion after
1938 the result is found.
1939 (is_array_v): Add partial specializations instead of
1940 instantiating the class template.
1941 (rank_v, extent_v): Likewise.
1942 (is_bounded_array_v, is_unbounded_array_v): Likewise.
1943 (is_bounded_array, is_unbounded_array): Define in terms of the
1944 variable templates.
1946 2022-08-31 Patrick Palka <ppalka@redhat.com>
1948 * include/bits/ranges_base.h (__advance_fn::operator()): Add
1949 parentheses in assert condition to avoid -Wparentheses warning.
1950 * include/std/ranges: (take_view::take_view): Uglify 'base'.
1951 (take_while_view::take_while_view): Likewise.
1952 (elements_view::elements_view): Likewise.
1953 (views::_Zip::operator()): Adjust position of [[nodiscard]] for
1954 compatibility with -fconcepts-ts.
1955 (zip_transform_view::_Sentinel): Uglify 'OtherConst'.
1956 (views::_ZipTransform::operator()): Adjust position of
1957 [[nodiscard]] for compatibilty with -fconcepts-ts.
1959 2022-08-31 Martin Liska <mliska@suse.cz>
1961 * configure: Regenerate.
1962 * crossconfig.m4: Remove deprecated ports.
1964 2022-08-31 François Dumont <fdumont@gcc.gnu.org>
1966 * include/debug/debug.h: Use nullptr rather than '0' in checks in post-C++11.
1967 * include/debug/string: Likewise.
1968 * testsuite/21_strings/basic_string/operations/ends_with/char.cc: Use __gnu_test::string.
1969 * testsuite/21_strings/basic_string/operations/ends_with/nonnull.cc: Likewise.
1970 * testsuite/21_strings/basic_string/operations/ends_with/wchar_t.cc: Likewise.
1971 * testsuite/21_strings/basic_string/operations/starts_with/wchar_t.cc: Likewise.
1972 * testsuite/21_strings/basic_string/operations/starts_with/nonnull.cc: Likewise.
1973 * testsuite/21_strings/basic_string/operations/starts_with/char.cc: Likewise..
1975 2022-08-31 Patrick Palka <ppalka@redhat.com>
1977 * include/std/ranges (adjacent_view): Define.
1978 (enable_borrowed_range<adjacent_view>): Define.
1979 (__detail::__repeated_tuple): Define.
1980 (adjacent_view::_Iterator): Define.
1981 (adjacent_view::_Sentinel): Define.
1982 (views::__detail::__can_adjacent_view): Define.
1983 (views::_Adjacent): Define.
1984 (views::adjacent): Define.
1985 (views::pairwise): Define.
1986 * testsuite/std/ranges/adaptors/adjacent/1.cc: New test.
1988 2022-08-31 François Dumont <fdumont@gcc.gnu.org>
1990 * include/debug/formatter.h
1991 [_GLIBCXX_HAVE_STACKTRACE](__glibcxx_backtrace_state): Declare.
1992 [_GLIBCXX_HAVE_STACKTRACE](__glibcxx_backtrace_create_state): Declare.
1993 [_GLIBCXX_HAVE_STACKTRACE](__glibcxx_backtrace_full_callback): Define.
1994 [_GLIBCXX_HAVE_STACKTRACE](__glibcxx_backtrace_error_callback): Define.
1995 [_GLIBCXX_HAVE_STACKTRACE](__glibcxx_backtrace_full_func): Define.
1996 [_GLIBCXX_HAVE_STACKTRACE](__glibcxx_backtrace_full): Declare.
1997 [_GLIBCXX_HAVE_STACKTRACE](_Error_formatter::_M_backtrace_state): New.
1998 [_GLIBCXX_HAVE_STACKTRACE](_Error_formatter::_M_backtrace_full): New.
1999 * src/c++11/debug.cc [_GLIBCXX_HAVE_STACKTRACE](print_backtrace): New.
2000 (_Error_formatter::_M_error()): Adapt.
2001 * src/libbacktrace/Makefile.am: Add backtrace.c.
2002 * src/libbacktrace/Makefile.in: Regenerate.
2003 * src/libbacktrace/backtrace-rename.h (backtrace_full): New.
2004 * testsuite/23_containers/vector/debug/assign4_backtrace_neg.cc: New test.
2005 * doc/xml/manual/debug_mode.xml: Document _GLIBCXX_DEBUG_BACKTRACE.
2006 * doc/xml/manual/using.xml: Likewise.
2008 2022-08-31 Patrick Palka <ppalka@redhat.com>
2010 * testsuite/20_util/logical_traits/requirements/short_circuit.cc: New test.
2012 2022-08-31 Jonathan Wakely <jwakely@redhat.com>
2014 * include/bits/refwrap.h (reference_wrapper::operator()): Add
2015 noexcept-specifier and use __invoke_result instead of result_of.
2016 * testsuite/20_util/reference_wrapper/invoke-noexcept.cc: New test.
2018 2022-08-31 Jonathan Wakely <jwakely@redhat.com>
2020 * testsuite/20_util/reference_wrapper/invoke-2.cc: Improve
2021 comments.
2022 * testsuite/20_util/reference_wrapper/invoke-3.cc: Likewise.
2023 * testsuite/20_util/reference_wrapper/invoke.cc: Likewise.
2025 2022-08-31 Jonathan Wakely <jwakely@redhat.com>
2027 * include/bits/basic_string.h (basic_string): Add nodiscard
2028 attribute to all relevant functions.
2029 * include/std/string_view (basic_string_view): Likewise.
2030 * testsuite/21_strings/basic_string/capacity/1.cc: Cast unused
2031 results to void.
2032 * testsuite/21_strings/basic_string/capacity/char/1.cc:
2033 Likewise.
2034 * testsuite/21_strings/basic_string/capacity/wchar_t/1.cc:
2035 Likewise.
2036 * testsuite/21_strings/basic_string/cons/char/self_move.cc:
2037 Likewise.
2038 * testsuite/21_strings/basic_string/element_access/char/1.cc:
2039 Likewise.
2040 * testsuite/21_strings/basic_string/element_access/char/21674.cc:
2041 Likewise.
2042 * testsuite/21_strings/basic_string/element_access/wchar_t/1.cc:
2043 Likewise.
2044 * testsuite/21_strings/basic_string/element_access/wchar_t/21674.cc:
2045 Likewise.
2046 * testsuite/21_strings/basic_string/lwg2758.cc: Likewise.
2047 * testsuite/21_strings/basic_string/lwg2946.cc: Likewise.
2048 * testsuite/21_strings/basic_string/operations/contains/nonnull.cc:
2049 Add -Wno-unused-result to options.
2050 * testsuite/21_strings/basic_string/operations/ends_with/nonnull.cc:
2051 Likewise.
2052 * testsuite/21_strings/basic_string/operations/starts_with/nonnull.cc:
2053 Likewise.
2054 * testsuite/21_strings/basic_string/operators/char/1.cc: Cast
2055 unused results to void.
2056 * testsuite/21_strings/basic_string/operators/wchar_t/1.cc:
2057 Likewise.
2058 * testsuite/21_strings/basic_string_view/capacity/1.cc:
2059 Likewise.
2060 * testsuite/21_strings/basic_string_view/element_access/char/1.cc:
2061 Likewise.
2062 * testsuite/21_strings/basic_string_view/element_access/char/2.cc:
2063 Likewise.
2064 * testsuite/21_strings/basic_string_view/element_access/wchar_t/1.cc:
2065 Likewise.
2066 * testsuite/21_strings/basic_string_view/element_access/wchar_t/2.cc:
2067 Likewise.
2068 * testsuite/21_strings/basic_string_view/operations/contains/nonnull.cc:
2069 Likewise.
2070 Add -Wno-unused-result to options.
2071 * testsuite/21_strings/basic_string_view/operations/ends_with/nonnull.cc:
2072 Likewise.
2073 * testsuite/21_strings/basic_string_view/operations/starts_with/nonnull.cc:
2074 Likewise.
2075 * testsuite/27_io/basic_stringbuf/sputbackc/char/1.cc: Cast
2076 unused results to void.
2077 * testsuite/27_io/basic_stringbuf/sputbackc/wchar_t/1.cc:
2078 Likewise.
2079 * testsuite/27_io/basic_stringbuf/sungetc/char/1.cc: Likewise.
2080 * testsuite/27_io/basic_stringbuf/sungetc/wchar_t/1.cc:
2081 Likewise.
2083 2022-08-27 Patrick Palka <ppalka@redhat.com>
2085 * testsuite/20_util/logical_traits/requirements/base_classes.cc: New test.
2087 2022-08-26 Patrick Palka <ppalka@redhat.com>
2089 * include/std/ranges (zip_view::_Iterator::operator<): Remove
2090 as per LWG 3692.
2091 (zip_view::_Iterator::operator>): Likewise.
2092 (zip_view::_Iterator::operator<=): Likewise.
2093 (zip_view::_Iterator::operator>=): Likewise.
2094 (zip_view::_Iterator::operator<=>): Remove three_way_comparable
2095 constraint as per LWG 3692.
2096 (zip_transform_view::_Iterator): Ditto as per LWG 3702.
2098 2022-08-26 Patrick Palka <ppalka@redhat.com>
2100 * include/std/ranges (zip_view::_Iterator): Befriend
2101 zip_transform_view.
2102 (__detail::__range_iter_cat): Define.
2103 (zip_transform_view): Define.
2104 (zip_transform_view::_Iterator): Define.
2105 (zip_transform_view::_Sentinel): Define.
2106 (views::__detail::__can_zip_transform_view): Define.
2107 (views::_ZipTransform): Define.
2108 (views::zip_transform): Define.
2109 * testsuite/std/ranges/zip_transform/1.cc: New test.
2111 2022-08-26 Patrick Palka <ppalka@redhat.com>
2113 * include/std/type_traits (enable_if, __enable_if_t): Define them
2114 earlier.
2115 (__detail::__first_t): Define.
2116 (__detail::__or_fn, __detail::__and_fn): Declare.
2117 (__or_, __and_): Redefine as alias templates in terms of __or_fn
2118 and __and_fn.
2119 (__not_): Redefine as an alias template.
2120 (__detail::__disjunction_impl, __detail::__conjunction_impl):
2121 Define.
2122 (conjuction, disjunction): Redefine in terms of __disjunction_impl
2123 and __conjunction_impl.
2125 2022-08-26 Jonathan Wakely <jwakely@redhat.com>
2127 * include/std/system_error (error_code::_Check): New alias
2128 template for constructor SFINAE constraint.
2129 (error_code::error_code(ErrorCodeEnum)): Use it.
2130 (error_code::operator=(ErrorCodeEnum)): Remove.
2131 (error_condition::_Check): New alias template for constraint.
2132 (error_condition::error_condition(ErrorConditionEnum)): Use it.
2133 (error_condition::operator=(ErrorConditionEnum)): Remove.
2134 * testsuite/19_diagnostics/error_code/cons/1.cc: Check
2135 constructor taking user-defined error enum.
2136 * testsuite/19_diagnostics/error_condition/cons/1.cc: Likewise.
2138 2022-08-26 Jonathan Wakely <jwakely@redhat.com>
2140 * include/bits/basic_string.h (starts_with, ends_with, contains):
2141 Add nonnull attribute.
2142 * include/bits/cow_string.h (starts_with, ends_with, contains):
2143 Likewise.
2144 * include/std/string_view (starts_with, ends_with, contains):
2145 Likewise.
2146 * testsuite/21_strings/basic_string/operations/contains/nonnull.cc
2147 * testsuite/21_strings/basic_string/operations/ends_with/nonnull.cc
2148 * testsuite/21_strings/basic_string/operations/starts_with/nonnull.cc
2149 * testsuite/21_strings/basic_string_view/operations/contains/nonnull.cc
2150 * testsuite/21_strings/basic_string_view/operations/ends_with/nonnull.cc
2151 * testsuite/21_strings/basic_string_view/operations/starts_with/nonnull.cc
2153 2022-08-25 Patrick Palka <ppalka@redhat.com>
2155 * include/std/ranges (lazy_split_view::_OuterIter::_M_current):
2156 Remove redundant comment.
2157 (lazy_split_view::_M_current): Likewise.
2158 (common_view::common_view): Remove commented out view-converting
2159 constructor as per LWG3405.
2160 (elements_view::_Iterator::_Iterator): Uglify 'current' and 'i'.
2162 2022-08-24 Patrick Palka <ppalka@redhat.com>
2164 * include/bits/ranges_algo.h (__min_fn, min): Move to ...
2165 * include/bits/ranges_util.h: ... here, in order to avoid
2166 including all of ranges_algo.h from <ranges>.
2167 * include/std/ranges (__detail::__zip_is_common): Define for
2168 C++23 as per P2321R2.
2169 (__detail::__tuple_or_pair): Likewise.
2170 (__detail::__tuple_or_pair_t): Likewise.
2171 (__detail::__tuple_transform): Likewise.
2172 (__detail::__tuple_for_each): Likewise.
2173 (zip_view): Likewise.
2174 (enable_borrowed_range<zip_view>): Likewise.
2175 (__detail::__all_random_access): Likewise.
2176 (__detail::__all_bidirectional): Likewise.
2177 (__detail::__all_forward): Likewise.
2178 (__detail::__zip_view_iter_cat): Likewise.
2179 (zip_view::_Iterator): Likewise.
2180 (zip_view::_Sentinel): Likewise.
2181 * testsuite/std/ranges/zip/1.cc: New test.
2183 2022-08-24 Jonathan Wakely <jwakely@redhat.com>
2185 Revert:
2186 2022-08-24 Will Hawkins <whh8b@obs.cr>
2188 * include/bits/basic_string.h (operator+(const string&, const char*)):
2189 Remove naive implementation.
2190 * include/bits/basic_string.tcc (operator+(const string&, const char*)):
2191 Add single-allocation implementation.
2193 2022-08-24 Patrick Palka <ppalka@redhat.com>
2195 * include/bits/stl_pair.h (pair::swap const): Add non-standard
2196 is_swappable_v constraints.
2197 * include/std/tuple (tuple::swap const): Likewise.
2198 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Correct some
2199 asserts in C++23 mode.
2201 2022-08-24 Jonathan Wakely <jwakely@redhat.com>
2203 * include/bits/stl_algo.h (__stable_sort): Cast size to
2204 iterator's difference type.
2205 * testsuite/25_algorithms/stable_sort/4.cc: New test.
2207 2022-08-24 Will Hawkins <whh8b@obs.cr>
2209 * include/bits/basic_string.h (operator+(const string&, const char*)):
2210 Remove naive implementation.
2211 * include/bits/basic_string.tcc (operator+(const string&, const char*)):
2212 Add single-allocation implementation.
2214 2022-08-24 Jonathan Wakely <jwakely@redhat.com>
2216 * testsuite/20_util/duration_cast/rounding.cc: Check abs with
2217 non-reduced duration.
2219 2022-08-23 Patrick Palka <ppalka@redhat.com>
2221 * include/bits/stl_bvector.h (_Bit_reference::operator=): Define
2222 const overload for C++23 as per P2321R2.
2223 * include/bits/stl_pair.h (pair::swap): Likewise.
2224 (pair::pair): Define additional converting constructors for
2225 C++23 as per P2321R2.
2226 (pair::operator=): Define const overloads for C++23 as per
2227 P2321R2.
2228 (swap): Define overload taking const pair& for C++23 as per
2229 P2321R2.
2230 (basic_common_reference): Define partial specialization for
2231 pair for C++23 as per P2321R2.
2232 (common_type): Likewise.
2233 * include/bits/uses_allocator_args.h
2234 (uses_allocator_construction_args): Define additional pair
2235 overloads for C++23 as per P2321R2.
2236 * include/std/tuple (_Tuple_impl::_Tuple_impl): Define
2237 additional converting constructors for C++23 as per P2321R2.
2238 (_Tuple_impl::_M_assign): Define const overloads for C++23
2239 as per P2321R2.
2240 (_Tuple_impl::_M_swap): Likewise.
2241 (tuple::__constructible): Define as a convenient renaming of
2242 _TCC<true>::__constructible.
2243 (tuple::__convertible): As above but for _TCC<true>::__convertible.
2244 (tuple::tuple): Define additional converting constructors for
2245 C++23 as per P2321R2.
2246 (tuple::operator=): Define const overloads for C++23 as per
2247 P2321R2.
2248 (tuple::swap): Likewise.
2249 (basic_common_reference): Define partial specialization for
2250 tuple for C++23 as per P2321R2.
2251 (common_type): Likewise.
2252 * testsuite/20_util/pair/p2321r2.cc: New test.
2253 * testsuite/20_util/tuple/p2321r2.cc: New test.
2254 * testsuite/23_containers/vector/bool/element_access/1.cc: New test.
2256 2022-08-23 Patrick Palka <ppalka@redhat.com>
2258 * include/std/tuple (_TupleConstraints::__convertible): Define.
2259 (_TupleConstraints::__constructible): Define.
2260 (_TupleConstraints::__is_explicitly_constructible): Redefine this
2261 in terms of __convertible and __constructible.
2262 (_TupleConstraints::__is_implicitly_constructible): Likewise.
2264 2022-08-23 Jonathan Wakely <jwakely@redhat.com>
2266 PR libstdc++/106589
2267 * include/std/variant (__do_visit): Handle is_void<R> for zero
2268 argument case.
2269 * testsuite/20_util/variant/visit_r.cc: Check std::visit<void>(v).
2271 2022-08-22 Jonathan Wakely <jwakely@redhat.com>
2273 PR libstdc++/105678
2274 * doc/xml/manual/using.xml: Document -lstdc++_libbacktrace
2275 requirement for using std::stacktrace. Also adjust -frtti and
2276 -fexceptions to document non-default (i.e. negative) forms.
2277 * doc/html/*: Regenerate.
2279 2022-08-22 Jonathan Wakely <jwakely@redhat.com>
2281 PR libstdc++/106695
2282 * include/bits/std_thread.h (thread::_State_impl): Forward
2283 individual arguments to _Invoker constructor.
2284 (thread::_Invoker): Add constructor. Delete copies.
2285 * include/std/future (__future_base::_Deferred_state): Forward
2286 individual arguments to _Invoker constructor.
2287 (__future_base::_Async_state_impl): Likewise.
2288 * testsuite/30_threads/async/106695.cc: New test.
2289 * testsuite/30_threads/thread/106695.cc: New test.
2291 2022-08-22 Jonathan Wakely <jwakely@redhat.com>
2293 PR libstdc++/106607
2294 * include/bits/regex_compiler.tcc (_Compiler::_M_cur_int_value):
2295 Use built-ins to check for integer overflow in back-reference
2296 number.
2297 * testsuite/28_regex/basic_regex/106607.cc: New test.
2299 2022-08-17 Keef Aragon <keef.aragon@konscious.net>
2301 * libsupc++/eh_alloc.cc (pool::free): Inverse comparison.
2303 2022-08-08 François Dumont <fdumont@gcc.gnu.org>
2305 * include/debug/formatter.h (__singular_value_init): New _Iterator_state enum entry.
2306 (_Parameter<>(const _Safe_iterator<>&, const char*, _Is_iterator)): Check if iterator
2307 parameter is value-initialized.
2308 (_Parameter<>(const _Safe_local_iterator<>&, const char*, _Is_iterator)): Likewise.
2309 * include/debug/safe_iterator.h (_Safe_iterator<>::_M_value_initialized()): New. Adapt
2310 checks.
2311 * include/debug/safe_local_iterator.h (_Safe_local_iterator<>::_M_value_initialized()): New.
2312 Adapt checks.
2313 * src/c++11/debug.cc (_Safe_iterator_base::_M_reset): Do not reset _M_version.
2314 (print_field(PrintContext&, const _Parameter&, const char*)): Adapt state_names.
2315 * testsuite/23_containers/deque/debug/iterator1_neg.cc: New test.
2316 * testsuite/23_containers/deque/debug/iterator2_neg.cc: New test.
2317 * testsuite/23_containers/forward_list/debug/iterator1_neg.cc: New test.
2318 * testsuite/23_containers/forward_list/debug/iterator2_neg.cc: New test.
2319 * testsuite/23_containers/forward_list/debug/iterator3_neg.cc: New test.
2321 2022-08-05 Jonathan Wakely <jwakely@redhat.com>
2323 * include/experimental/scope (__cpp_lib_experimental_scope):
2324 Define.
2325 * testsuite/experimental/scopeguard/uniqueres.cc: Check macro.
2327 2022-08-05 Jonathan Wakely <jwakely@redhat.com>
2329 * include/Makefile.am: Add new header.
2330 * include/Makefile.in: Regenerate.
2331 * include/experimental/scope: New file.
2332 * testsuite/experimental/scopeguard/uniqueres.cc: New test.
2333 * testsuite/experimental/scopeguard/exit.cc: New test.
2335 2022-08-04 Jonathan Wakely <jwakely@redhat.com>
2337 * include/std/string_view (basic_string_view(Range&&)): Add
2338 explicit as per P2499R0.
2339 * testsuite/21_strings/basic_string_view/cons/char/range_c++20.cc:
2340 Adjust implicit conversions. Check implicit conversions fail.
2341 * testsuite/21_strings/basic_string_view/cons/wchar_t/range_c++20.cc:
2342 Likewise.
2344 2022-08-04 Jonathan Wakely <jwakely@redhat.com>
2346 * include/bits/fs_dir.h (directory_iterator): Add comparison
2347 with std::default_sentinel_t. Remove redundant operator!= for
2348 C++20.
2349 * (recursive_directory_iterator): Likewise.
2350 * include/bits/iterator_concepts.h [!__cpp_lib_concepts]
2351 (default_sentinel_t, default_sentinel): Define even if concepts
2352 are not supported.
2353 * include/bits/regex.h (regex_iterator): Add comparison with
2354 std::default_sentinel_t. Remove redundant operator!= for C++20.
2355 (regex_token_iterator): Likewise.
2356 (regex_token_iterator::_M_end_of_seq()): Add noexcept.
2357 * testsuite/27_io/filesystem/iterators/lwg3719.cc: New test.
2358 * testsuite/28_regex/iterators/regex_iterator/lwg3719.cc:
2359 New test.
2360 * testsuite/28_regex/iterators/regex_token_iterator/lwg3719.cc:
2361 New test.
2363 2022-08-04 Jonathan Wakely <jwakely@redhat.com>
2365 * include/std/expected (unexpected::_M_val): Rename to _M_unex.
2366 (bad_expected_access::_M_val): Likewise.
2368 2022-08-04 Jonathan Wakely <jwakely@redhat.com>
2370 * include/bits/ios_base.h (__cpp_lib_ios_noreplace): Update
2371 value to 202207L.
2372 * include/std/version (__cpp_lib_ios_noreplace): Likewise.
2373 * testsuite/27_io/basic_ofstream/open/char/noreplace.cc: Check
2374 for new value.
2375 * testsuite/27_io/basic_ofstream/open/wchar_t/noreplace.cc:
2376 Likewise.
2378 2022-08-04 Jonathan Wakely <jwakely@redhat.com>
2380 PR libstdc++/106183
2381 * include/bits/atomic_wait.h (__waiter_pool_base::_M_notify):
2382 Move increment of _M_ver here.
2383 [!_GLIBCXX_HAVE_PLATFORM_WAIT]: Lock mutex around increment.
2384 Use relaxed memory order and always notify all waiters.
2385 (__waiter_base::_M_do_wait) [!_GLIBCXX_HAVE_PLATFORM_WAIT]:
2386 Check value again after locking mutex.
2387 (__waiter_base::_M_notify): Remove increment of _M_ver.
2389 2022-08-04 Ulrich Drepper <drepper@gmail.com>
2391 * python/libstdcxx/v6/printers.py (class StdTuplePrinter): Use
2392 zero-based indeces just like std:get takes.
2394 2022-07-29 Jonathan Wakely <jwakely@redhat.com>
2396 PR libstdc++/104443
2397 * include/bits/stl_iterator.h (common_iterator::operator->):
2398 Change return type to just auto.
2400 2022-07-26 Thomas Rodgers <trodgers@redhat.com>
2402 * include/bits/atomic_wait.h (__atomic_spin): Merge spin loops.
2404 2022-07-20 Jonathan Wakely <jwakely@redhat.com>
2406 PR libstdc++/100823
2407 * include/bits/stl_iterator.h (common_iterator): Define
2408 destructor, copy constructor and move constructor as trivial
2409 when the underlying types allow.
2410 * testsuite/24_iterators/common_iterator/100823.cc: Check
2411 triviality of special members.
2413 2022-07-20 Jonathan Wakely <jwakely@redhat.com>
2415 PR libstdc++/100823
2416 * include/bits/stl_iterator.h (common_iterator): Define move
2417 constructor and move assignment operator.
2418 (common_iterator::_M_assign): New function implementing
2419 assignment.
2420 (common_iterator::operator=): Use _M_assign.
2421 (common_iterator::_S_valueless): New constant.
2422 * testsuite/24_iterators/common_iterator/100823.cc: New test.
2424 2022-07-20 Jonathan Wakely <jwakely@redhat.com>
2426 * include/bits/stl_iterator.h (common_iterator): Fix incorrect
2427 uses of is_nothrow_assignable_v. Fix inconsistent constraints on
2428 friend declaration. Do not move argument in copy constructor.
2429 * testsuite/24_iterators/common_iterator/1.cc: Check for
2430 noexcept constructibnle/assignable.
2432 2022-07-19 François Dumont <fdumont@gcc.gnu.org>
2434 * include/debug/debug.h [_GLIBCXX_DEBUG](__glibcxx_requires_string): Define
2435 using _GLIBCXX_DEBUG_PEDASSERT.
2436 [_GLIBCXX_DEBUG](__glibcxx_requires_string_len): Likewise.
2437 * include/debug/macros.h
2438 (__glibcxx_check_string, __glibcxx_check_string_len): Move...
2439 * include/debug/string
2440 (__glibcxx_check_string, __glibcxx_check_string_len): ...here. And define depending
2441 on _GLIBCXX_DEBUG_PEDANTIC no matter if _GLIBCXX_DEBUG is defined.
2442 Add using of std::string find, rfind, find_first_of, find_last_of, find_first_not_of
2443 and find_last_not_of. Remove debug implementations having no debug assertion.
2444 * testsuite/util/testsuite_string.h: New file. Provides __gnu_test::string and
2445 __gnu_test::wtring which definition depends on _GLIBCXX_DEBUG.
2446 * testsuite/21_strings/basic_string/debug/find1_neg.cc: New test case.
2447 * testsuite/21_strings/basic_string/debug/find2_neg.cc: New test case.
2448 * testsuite/21_strings/basic_string/operations/find/char/1.cc:
2449 Include <testsuite_string.h> and use __gnu_test::string.
2450 * testsuite/21_strings/basic_string/operations/find/char/2.cc: Likewise.
2451 * testsuite/21_strings/basic_string/operations/find/char/3.cc: Likewise.
2452 * testsuite/21_strings/basic_string/operations/find/char/4.cc: Likewise.
2453 * testsuite/21_strings/basic_string/operations/find/char/5.cc: Likewise.
2454 * testsuite/21_strings/basic_string/operations/find/char/6.cc: Likewise.
2455 * testsuite/21_strings/basic_string/operations/find/wchar_t/1.cc:
2456 Include <testsuite_string.h> and use __gnu_test::wstring.
2457 * testsuite/21_strings/basic_string/operations/find/wchar_t/2.cc: Likewise.
2458 * testsuite/21_strings/basic_string/operations/find/wchar_t/3.cc: Likewise.
2459 * testsuite/21_strings/basic_string/operations/find/wchar_t/4.cc: Likewise.
2460 * testsuite/21_strings/basic_string/operations/find/wchar_t/5.cc: Likewise.
2461 * testsuite/21_strings/basic_string/operations/find/wchar_t/6.cc: Likewise.
2463 2022-07-19 Jonathan Wakely <jwakely@redhat.com>
2465 * include/std/type_traits (__cpp_lib_reference_from_temporary)
2466 (reference_constructs_from_temporary)
2467 (reference_converts_from_temporary): Only define when the
2468 built-ins are available.
2470 2022-07-19 Marco Falke <falke.marco@gmail.com>
2472 * include/std/charconv (__from_chars_alnum_to_val): Replace
2473 implicit conversion from int to unsigned char with explicit
2474 cast.
2476 2022-07-19 Sebastian Huber <sebastian.huber@embedded-brains.de>
2478 * configure: Regnerate.
2479 * configure.ac (newlib, *-rtems*): Remove HAVE_POLL.
2481 2022-07-18 François Dumont <fdumont@gcc.gnu.org>
2483 * include/bits/stl_algo.h
2484 (__merge_adaptive): Adapt to merge only when buffer is large enough..
2485 (__merge_adaptive_resize): New, adapt merge when buffer is too small.
2486 (__inplace_merge): Adapt, use latter.
2487 (__stable_sort_adaptive): Adapt to sort only when buffer is large enough.
2488 (__stable_sort_adaptive_resize): New, adapt sort when buffer is too small.
2489 (__stable_sort): Adapt, use latter.
2491 2022-07-15 Marek Polacek <polacek@redhat.com>
2493 PR c++/104477
2494 * include/std/type_traits (reference_constructs_from_temporary,
2495 reference_converts_from_temporary): New class templates.
2496 (reference_constructs_from_temporary_v,
2497 reference_converts_from_temporary_v): New variable templates.
2498 (__cpp_lib_reference_from_temporary): Define for C++23.
2499 * include/std/version (__cpp_lib_reference_from_temporary): Define for
2500 C++23.
2501 * testsuite/20_util/variable_templates_for_traits.cc: Test
2502 reference_constructs_from_temporary_v and
2503 reference_converts_from_temporary_v.
2504 * testsuite/20_util/reference_from_temporary/value.cc: New test.
2505 * testsuite/20_util/reference_from_temporary/value2.cc: New test.
2506 * testsuite/20_util/reference_from_temporary/version.cc: New test.
2508 2022-07-12 Jonathan Wakely <jwakely@redhat.com>
2510 PR libstdc++/106248
2511 * include/std/istream [C++17] (operator>>(istream&, char*)):
2512 Set eofbit if we stopped extracting at EOF.
2513 * testsuite/27_io/basic_istream/extractors_character/char/pr106248.cc:
2514 New test.
2515 * testsuite/27_io/basic_istream/extractors_character/wchar_t/pr106248.cc:
2516 New test.
2518 2022-07-12 Jonathan Wakely <jwakely@redhat.com>
2520 * include/bits/stl_iterator.h (__iter_to_alloc_t): Replace
2521 add_const_t with const-qualifier.
2522 * include/bits/utility.h (tuple_element<N, cv T>): Likewise for
2523 all cv-qualifiers.
2524 * include/std/type_traits (add_const, add_volatile): Replace
2525 typedef-declaration with using-declaration.
2526 (add_cv): Replace add_const and add_volatile with cv-qualifiers.
2527 * include/std/variant (variant_alternative<N, cv T>): Replace
2528 add_const_t, add_volatile_t and add_cv_t etc. with cv-qualifiers.
2530 2022-07-09 François Dumont <fdumont@gcc.gnu.org>
2532 * include/std/string: Remove obsolete comment about char_traits.h including
2533 stl_algobase.h.
2535 2022-07-07 Jonathan Wakely <jwakely@redhat.com>
2537 PR c++/89074
2538 * include/bits/char_traits.h (__gnu_cxx::char_traits::move):
2539 Remove workaround for front-end bug.
2541 2022-07-05 Alexandre Oliva <oliva@adacore.com>
2543 * testsuite/util/testsuite_fs.h (nonexistent_path): Explain
2544 why we need the typecast.
2546 2022-07-05 Alexandre Oliva <oliva@adacore.com>
2548 * testsuite/util/testsuite_fs.h (nonexistent_path): Convert
2549 the getpid result to an integral type.
2551 2022-07-01 Jonathan Wakely <jwakely@redhat.com>
2553 PR libstdc++/106162
2554 * include/Makefile.am (largefile-config.h): Add
2555 stamp-${host_alias} prerequisite.
2556 * include/Makefile.in: Regenerate.
2558 2022-07-01 Jonathan Wakely <jwakely@redhat.com>
2560 * include/bits/fs_ops.h: Add nodiscard to all pure functions.
2561 * include/experimental/bits/fs_ops.h: Likewise.
2562 * testsuite/27_io/filesystem/operations/all.cc: Do not discard
2563 results of absolute and canonical.
2564 * testsuite/27_io/filesystem/operations/absolute.cc: Cast
2565 discarded result to void.
2566 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
2567 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
2568 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
2569 * testsuite/27_io/filesystem/operations/read_symlink.cc:
2570 Likewise.
2571 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
2572 * testsuite/27_io/filesystem/operations/symlink_status.cc:
2573 Likewise.
2574 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
2575 Likewise.
2576 * testsuite/experimental/filesystem/operations/canonical.cc:
2577 Likewise.
2578 * testsuite/experimental/filesystem/operations/exists.cc:
2579 Likewise.
2580 * testsuite/experimental/filesystem/operations/is_empty.cc:
2581 Likewise.
2582 * testsuite/experimental/filesystem/operations/read_symlink.cc:
2583 Likewise.
2584 * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
2585 Likewise.
2587 2022-07-01 Sebastian Huber <sebastian.huber@embedded-brains.de>
2589 * configure: Regnerate.
2590 * configure.ac (newlib, *-rtems*): Enable TLS support for all RTEMS
2591 targets except bfin, lm32, mips, moxie, or1k, and v850.
2592 For all RTEMS targets, define HAVE_ALIGNED_ALLOC, HAVE_AT_QUICK_EXIT,
2593 HAVE_LINK, HAVE_POLL, HAVE_QUICK_EXIT, HAVE_READLINK, HAVE_SETENV,
2594 HAVE_SLEEP, HAVE_SOCKATMARK, HAVE_STRERROR_L, HAVE_SYMLINK,
2595 HAVE_TRUNCATE, and HAVE_USLEEP.
2596 * crossconfig.m4 (*-rtems*): Remove.
2598 2022-06-30 Jonathan Wakely <jwakely@redhat.com>
2600 * include/bits/utility.h: Fix comment typos.
2602 2022-06-30 Jonathan Wakely <jwakely@redhat.com>
2604 * src/c++17/fs_ops.cc (fs::temp_directory_path()): Include path
2605 in exception.
2606 (fs::temp_directory_path(error_code&)): Rearrange to more
2607 closely match the structure of the first overload.
2608 * src/filesystem/ops.cc (fs::temp_directory_path): Likewise.
2609 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
2610 Check that exception contains the path.
2611 * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
2612 Likewise.
2614 2022-06-30 Jonathan Wakely <jwakely@redhat.com>
2616 PR libstdc++/88881
2617 * src/filesystem/ops.cc (has_trailing_slash): New helper
2618 function.
2619 (fs::status): Strip trailing slashes.
2620 (fs::symlink_status): Likewise.
2621 * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
2622 Clean the environment before each test and use TMP instead of
2623 TMPDIR so the test passes on Windows.
2625 2022-06-28 Jonathan Wakely <jwakely@redhat.com>
2627 * src/filesystem/dir-common.h (_Dir_base::_At_path):
2628 Use char_type consistently for paths.
2630 2022-06-28 Jonathan Wakely <jwakely@redhat.com>
2632 * src/c++17/fs_dir.cc (_Dir::dir_and_pathname):: Replace with
2633 current() returning _At_path.
2634 (_Dir::_Dir, _Dir::open_subdir, _Dir::do_unlink): Adjust.
2635 * src/filesystem/dir-common.h (_Dir_base::_At_path): New class.
2636 (_Dir_base::_Dir_Base, _Dir_base::openat): Use _At_path.
2637 * src/filesystem/dir.cc (_Dir::dir_and_pathname): Replace with
2638 current() returning _At_path.
2639 (_Dir::_Dir, _Dir::open_subdir): Adjust.
2641 2022-06-28 Jonathan Wakely <jwakely@redhat.com>
2643 * src/c++17/fs_dir.cc (_Dir::_Dir) [!_GLIBCXX_HAVE_OPENAT]:
2644 Always store pathname if we don't have openat or unlinkat,
2645 because the full path is needed to open sub-directories and
2646 remove entries.
2648 2022-06-28 Jonathan Wakely <jwakely@redhat.com>
2650 * testsuite/20_util/from_chars/4.cc: Only use log2 if C99 math
2651 functions are available.
2653 2022-06-27 Alexandre Oliva <oliva@adacore.com>
2655 * testsuite/20_util/to_chars/long_double.cc: Use cmath
2656 long double overloads for nexttoward and ldexp.
2658 2022-06-27 Alexandre Oliva <oliva@adacore.com>
2660 * testsuite/experimental/simd/standard_abi_usable.cc: Require
2661 cmath support.
2662 * testsuite/experimental/simd/standard_abi_usable_2.cc:
2663 Likewise.
2665 2022-06-27 Alexandre Oliva <oliva@adacore.com>
2667 * testsuite/26_numerics/complex/proj.cc: Skip test in the
2668 circumstances in which the implementation of proj is known to
2669 be broken.
2671 2022-06-27 Alexandre Oliva <oliva@adacore.com>
2673 * src/c++17/fs_dir.cc (dir_and_pathname): Use dirfd if
2674 _GLIBCXX_HAVE_OPENAT.
2676 2022-06-27 Alexandre Oliva <oliva@adacore.com>
2678 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc
2679 (test06): Don't create symlinks when NO_SYMLINKS is defined.
2681 2022-06-27 Alexandre Oliva <oliva@adacore.com>
2683 * testsuite/lib/dg-options.exp (add_options_for_net_ts):
2684 Add -Wl,--gc-sections for RTEMS targets.
2685 * testsuite/experimental/net/timer/waitable/dest.cc: Link-time
2686 xfail on RTEMS.
2687 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
2688 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
2689 Execution-time xfail on RTEMS.
2690 * testsuite/experimental/net/internet/resolver/ops/reverse.cc:
2691 Likewise.
2693 2022-06-27 Jonathan Wakely <jwakely@redhat.com>
2695 * testsuite/ext/mt_allocator/22309_thread.cc: Include <string>.
2697 2022-06-27 Joel Brobecker <brobecker@adacore.com>
2698 Jonathan Wakely <jwakely@redhat.com>
2700 * testsuite/util/testsuite_fs.h (__gnu_test::nonexistent_path):
2701 Always include a counter in the filename returned.
2703 2022-06-27 Jonathan Wakely <jwakely@redhat.com>
2705 * include/bits/move_only_function.h (_Never_valueless_alt):
2706 Define partial specialization for std::move_only_function.
2708 2022-06-27 Jonathan Wakely <jwakely@redhat.com>
2710 * include/std/variant (_Build_FUN::_S_fun): Define fallback case
2711 as deleted.
2712 (__accepted_index, _Extra_visit_slot_needed): Replace class
2713 templates with variable templates.
2715 2022-06-27 Jonathan Wakely <jwakely@redhat.com>
2717 * include/bits/fs_path.h (__is_path_iter_src): Replace class
2718 template with variable template.
2720 2022-06-27 Jonathan Wakely <jwakely@redhat.com>
2722 * include/bits/chrono.h (is_clock_v): Define to false.
2723 (is_clock_v<T>): Define partial specialization for true cases.
2724 (is_clock): Define in terms of is_clock_v.
2726 2022-06-24 Xi Ruoyao <xry111@xry111.site>
2728 * scripts/extract_symvers.in: Use grep -E instead of egrep.
2729 * scripts/run_doxygen: Likewise.
2731 2022-06-24 Alexandre Oliva <oliva@adacore.com>
2733 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for
2734 openat.
2735 * configure, config.h.in: Rebuilt.
2736 * src/filesystem/dir-common.h (openat): Use ::openat if
2737 _GLIBCXX_HAVE_OPENAT.
2738 * src/filesystem/dir.cc (dir_and_pathname): Use dirfd if
2739 _GLIBCXX_HAVE_OPENAT.
2741 2022-06-24 Alexandre Oliva <oliva@adacore.com>
2743 * testsuite/27_io/filesystem/operations/rename.cc: xfail on
2744 rtems.
2745 * testsuite/experimental/filesystem/operations/rename.cc:
2746 Likewise.
2748 2022-06-24 Alexandre Oliva <oliva@adacore.com>
2750 * testsuite/util/testsuite_fs.h (NO_LAST_WRITE_TIME): Define
2751 when appropriate.
2752 * testsuite/lib/libstdc++.exp
2753 (check_v3_target_fs_last_write_time): New.
2754 * testsuite/lib/dg-options.exp (dg-require-target-fs-lwt):
2755 New.
2756 * testsuite/27_io/filesystem/operations/last_write_time.cc:
2757 Skip the test if the features are unavailable.
2758 * testsuite/experimental/filesystem/operations/last_write_time.cc:
2759 Likewise.
2761 2022-06-24 Alexandre Oliva <oliva@adacore.com>
2763 * testsuite/util/testsuite_fs.h (NO_SPACE): Define if
2764 appropriate.
2765 * testsuite/lib/libstdc++.exp (check_v3_target_fs_space): New.
2766 * testsuite/lib/dg-options.exp (dg-require-target-fs-space):
2767 New.
2768 * testsuite/27_io/filesystem/operations/space.cc: Require
2769 target-fs-space.
2770 * testsuite/experimental/filesystem/operations/space.cc:
2771 Likewise.
2773 2022-06-24 Alexandre Oliva <oliva@adacore.com>
2775 * testsuite/util/testsuite_fs.h (NO_SYMLINKS): Define on
2776 mingw and when create_symlink is a dummy.
2777 * testsuite/27_io/filesystem/operations/symlink_status.cc:
2778 Drop mingw xfail.
2779 (test01, test02): Don't create symlinks when NO_SYMLINKS is
2780 defined.
2781 * testsuite/27_io/filesystem/operations/canonical.cc (test03):
2782 Likewise.
2783 * testsuite/27_io/filesystem/operations/copy.cc (test02):
2784 Likewise.
2785 * testsuite/27_io/filesystem/operations/create_directories.cc
2786 (test04): Likewise.
2787 * testsuite/27_io/filesystem/operations/create_directory.cc
2788 (test01): Likewise.
2789 * testsuite/27_io/filesystem/operations/permissions.cc
2790 (test03, test04): Likewise.
2791 * testsuite/27_io/filesystem/operations/remove.cc (test01):
2792 Likewise.
2793 * testsuite/27_io/filesystem/operations/remove_all.cc (test01):
2794 Likewise.
2795 * testsuite/27_io/filesystem/operations/rename.cc
2796 (test_symlinks): Likewise.
2797 * testsuite/27_io/filesystem/operations/weakly_canonical.cc
2798 (test01): Likewise.
2799 * testsuite/experimental/filesystem/iterators/recursive_directory_iterator.cc
2800 (test06): Likewise.
2801 * testsuite/experimental/filesystem/operations/copy.cc
2802 (test01): Likewise.
2803 * testsuite/experimental/filesystem/operations/create_directories.cc
2804 (test04): Likewise.
2805 * testsuite/experimental/filesystem/operations/create_directory.cc
2806 (test01): Likewise.
2807 * testsuite/experimental/filesystem/operations/permissions.cc
2808 (test03, test04): Likewise.
2809 * testsuite/experimental/filesystem/operations/remove.cc
2810 (test01): Likewise.
2811 * testsuite/experimental/filesystem/operations/remove_all.cc
2812 (test01): Likewise.
2813 * testsuite/experimental/filesystem/operations/rename.cc
2814 (test01): Likewise.
2815 * testsuite/lib/libstdc++.exp
2816 (v3_check_preprocessor_condition): Add optional inc parameter.
2817 Add it to the test program after include bits/c++config.h.
2818 (check_v3_target_fs_symlinks): New.
2819 * testsuite/lib/dg-options.exp
2820 (dg-require-target-fs-symlinks): New.
2821 * testsuite/27_io/filesystem/operations/read_symlink.cc:
2822 Replace mingw xfail with require target-fs-symlinks.
2823 * testsuite/experimental/filesystem/operations/read_symlink.cc:
2824 Likewise.
2826 2022-06-24 Alexandre Oliva <oliva@adacore.com>
2828 * testsuite/27_io/filesystem/operations/copy.cc (test02):
2829 Select TO after creating FROM.
2830 (test03, test04): Likewise.
2831 * testsuite/experimental/filesystem/operations/copy.cc
2832 (test02, test03, test04): Likewise.
2834 2022-06-24 Alexandre Oliva <oliva@adacore.com>
2836 * testsuite/30_threads/thread/native_handle/cancel.cc: Add an
2837 explicit cancellation point in case sleep_for lacks one.
2839 2022-06-24 Alexandre Oliva <oliva@adacore.com>
2841 * testsuite/lib/dg-options.exp (add_options_for_net_ts): Add
2842 -lbsd for RTEMS targets.
2844 2022-06-23 Jonathan Wakely <jwakely@redhat.com>
2846 * testsuite/27_io/filesystem/iterators/error_reporting.cc: Use
2847 rmdir to remove directories.
2848 * testsuite/experimental/filesystem/iterators/error_reporting.cc:
2849 Likewise.
2851 2022-06-23 Jonathan Wakely <jwakely@redhat.com>
2853 * testsuite/26_numerics/random/random_device/entropy.cc: Use
2854 numeric_limits<unsigned>::digits.
2856 2022-06-22 Alexandre Oliva <oliva@adacore.com>
2858 * libsupc++/eh_globals.cc [!_GLIBCXX_HAVE_TLS]
2859 (__eh_globals_init::~__eh_globals_init): Clear _S_init first.
2861 2022-06-22 Alexandre Oliva <oliva@adacore.com>
2863 * testsuite/30_threads/this_thread/60421.cc (test02): Call
2864 sched_yield.
2866 2022-06-22 Alexandre Oliva <oliva@adacore.com>
2868 * testsuite/20_util/to_chars/long_double.cc: Require cmath.
2870 2022-06-22 Alexandre Oliva <oliva@adacore.com>
2872 * testsuite/23_containers/bitset/cons/dr1325-2.cc: Work around
2873 global struct bitset.
2874 * testsuite/23_containers/bitset/ext/15361.cc: Likewise.
2875 * testsuite/23_containers/bitset/input/1.cc: Likewise.
2876 * testsuite/23_containers/bitset/to_string/1.cc: Likewise.
2877 * testsuite/23_containers/bitset/to_string/dr396.cc: Likewise.
2879 2022-06-17 Jonathan Wakely <jwakely@redhat.com>
2881 * testsuite/21_strings/basic_string/cons/char/105995.cc: Add
2882 missing #include.
2884 2022-06-16 Jonathan Wakely <jwakely@redhat.com>
2886 PR libstdc++/105995
2887 * include/bits/basic_string.h (_M_use_local_data): Initialize
2888 the entire SSO buffer.
2889 * testsuite/21_strings/basic_string/cons/char/105995.cc: New test.
2891 2022-06-16 Jonathan Wakely <jwakely@redhat.com>
2893 PR libstdc++/101482
2894 * include/ext/vstring.h (operator==): Always check lengths
2895 before comparing.
2897 2022-06-15 François Dumont <fdumont@gcc.gnu.org>
2899 PR libstdc++/105717
2900 * include/bits/hashtable_policy.h (_ConvertToValueType): New.
2901 * include/bits/hashtable.h (_Hashtable<>::_M_insert_unique_aux): New.
2902 (_Hashtable<>::_M_insert(_Arg&&, const _NodeGenerator&, true_type)): Use latters.
2903 (_Hashtable<>::_M_insert(_Arg&&, const _NodeGenerator&, false_type)): Likewise.
2904 (_Hashtable(_InputIterator, _InputIterator, size_type, const _Hash&, const _Equal&,
2905 const allocator_type&, true_type)): Use this.insert range.
2906 (_Hashtable(_InputIterator, _InputIterator, size_type, const _Hash&, const _Equal&,
2907 const allocator_type&, false_type)): Use _M_insert.
2908 * testsuite/23_containers/unordered_map/cons/56112.cc: Check how many times conversion
2909 is done.
2910 * testsuite/23_containers/unordered_map/insert/105717.cc: New test.
2911 * testsuite/23_containers/unordered_set/insert/105717.cc: New test.
2913 2022-06-14 Jonathan Wakely <jwakely@redhat.com>
2915 PR libstdc++/62187
2916 * include/bits/basic_string.h (operator==): Always compare
2917 lengths before checking string contents.
2918 [!__cpp_lib_three_way_comparison] (operator==, operator!=):
2919 Reorder arguments.
2921 2022-06-14 Jonathan Wakely <jwakely@redhat.com>
2923 PR libstdc++/59048
2924 * include/bits/basic_string.h (compare): Define inline.
2925 * include/bits/basic_string.tcc (compare): Remove out-of-line
2926 definitions.
2927 * include/bits/cow_string.h (compare): Define inline.
2928 * testsuite/21_strings/basic_string/operations/compare/char/3.cc:
2929 New test.
2931 2022-06-14 Jonathan Wakely <jwakely@redhat.com>
2933 * include/bits/new_allocator.h: Fix indentation.
2934 * include/ext/malloc_allocator.h: Likewise.
2936 2022-06-14 Jonathan Wakely <jwakely@redhat.com>
2938 PR libstdc++/105957
2939 * include/bits/allocator.h (allocator::allocate): Check for
2940 overflow in constexpr allocation.
2941 * testsuite/20_util/allocator/105975.cc: New test.
2943 2022-06-13 Mark Mentovai <mark@mentovai.com>
2945 * include/experimental/bits/fs_path.h (__detail::__null_terminated):
2946 Rename to __nul_terminated to avoid colliding with a macro in
2947 Apple's SDK.
2949 2022-06-13 Jonathan Wakely <jwakely@redhat.com>
2951 * include/std/atomic (__atomic_val_t): Use __type_identity_t
2952 instead of atomic<T>::value_type, as per LWG 3220.
2953 * testsuite/29_atomics/atomic/lwg3220.cc: New test.
2955 2022-06-10 Jonathan Wakely <jwakely@redhat.com>
2957 PR libstdc++/105844
2958 * include/experimental/numeric (experimental::gcd): Simplify
2959 assertions. Use __abs_r instead of __absu.
2960 (experimental::lcm): Likewise. Remove use of __detail::__lcm so
2961 overflow can be detected.
2962 * include/std/numeric (__detail::__absu): Rename to __abs_r and
2963 change to allow signed result type, so overflow can be detected.
2964 (__detail::__lcm): Remove.
2965 (gcd): Simplify assertions. Use __abs_r instead of __absu.
2966 (lcm): Likewise. Remove use of __detail::__lcm so overflow can
2967 be detected.
2968 * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error lines.
2969 * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
2970 * testsuite/26_numerics/gcd/105844.cc: New test.
2971 * testsuite/26_numerics/lcm/105844.cc: New test.
2973 2022-06-10 Jonathan Wakely <jwakely@redhat.com>
2975 PR libstdc++/105880
2976 * libsupc++/eh_globals.cc (eh_globals): Ensure constant init and
2977 prevent destruction during termination.
2978 (__eh_globals_init::_M_init): Replace with static member _S_init.
2979 (__cxxabiv1::__cxa_get_globals_fast): Update.
2980 (__cxxabiv1::__cxa_get_globals): Likewise.
2982 2022-06-10 Jonathan Wakely <jwakely@redhat.com>
2984 * include/bits/basic_string.h (__hash_str_base): New class
2985 template.
2986 (hash<basic_string<C, char_traits<C>, A>>): Define partial
2987 specialization for each of the standard character types.
2988 (hash<string>, hash<wstring>, hash<u8string>, hash<u16string>)
2989 (hash<u32string>): Remove explicit specializations.
2990 * include/std/string (__hash_string_base): Remove class
2991 template.
2992 (hash<pmr::string>, hash<pmr::wstring>, hash<pmr::u8string>)
2993 (hash<pmr::u16string>, hash<pmr::u32string>): Remove explicit
2994 specializations.
2995 * testsuite/21_strings/basic_string/hash/hash.cc: Test with
2996 custom allocators.
2997 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc:
2998 Likewise.
3000 2022-05-27 Jonathan Wakely <jwakely@redhat.com>
3002 PR libstdc++/105671
3003 * include/std/sstream (basic_stringbuf::_M_high_mark): Add
3004 always_inline attribute.
3006 2022-05-26 Jonathan Wakely <jwakely@redhat.com>
3008 PR libstdc++/105681
3009 * include/ext/pb_ds/detail/resize_policy/hash_prime_size_policy_imp.hpp:
3010 Limit ga_sizes array to values that fit in size_t.
3011 * include/ext/random [__SIZE_WIDTH < 32] (sfmt86243)
3012 (sfmt86243_64, sfmt132049, sfmt132049_64, sfmt216091)
3013 (sfmt216091_64): Do not declare.
3015 2022-05-26 Jonathan Wakely <jwakely@redhat.com>
3017 * python/libstdcxx/v6/printers.py (StdErrorCodePrinter): Make
3018 lookup for ios_errc and future_errc check versioned namespace.
3019 (StdAtomicPrinter): Strip versioned namespace from typename.
3021 2022-05-26 Jonathan Wakely <jwakely@redhat.com>
3023 * src/c++11/Makefile.am: Add new source file.
3024 * src/c++11/Makefile.in: Regenerate.
3025 * src/c++11/cxx11-ios_failure.cc (iostream_category):
3026 Move to ...
3027 * src/c++11/ios_errcat.cc: New file.
3028 * testsuite/27_io/ios_base/failure/error_code.cc: Check that
3029 std::iostream_category() is defined and used for std::io_errc.
3031 2022-05-26 Jonathan Wakely <jwakely@redhat.com>
3033 * include/bits/stl_iterator.h (counted_iterator::operator++(int)):
3034 Add 'constexpr' as per LWG 3643.
3035 * testsuite/24_iterators/counted_iterator/lwg3643.cc: New test.
3037 2022-05-26 Jonathan Wakely <jwakely@redhat.com>
3039 * include/bits/functional_hash.h (__is_fast_hash): Add doxygen
3040 comment.
3041 * include/bits/hashtable.h: Do not include <bits/stl_function.h>
3042 here.
3043 * include/bits/hashtable_policy.h: Include <bits/stl_pair.h> and
3044 <bits/functional_hash.h>.
3045 * include/bits/unordered_map.h: Include required headers.
3046 * include/bits/unordered_set.h: Likewise.
3047 * include/std/unordered_map: Do not include headers for indirect
3048 dependencies.
3049 * include/std/unordered_set: Likewise.
3051 2022-05-26 Jonathan Wakely <jwakely@redhat.com>
3053 * include/bits/ranges_algobase.h: Do not include
3054 <bits/stl_iterator_base_types.h>.
3055 * include/std/string: Likewise.
3056 * include/std/variant: Likewise.
3058 2022-05-26 Nathan Sidwell <nathan@acm.org>
3060 * include/bits/hashtable.h: Include required headers.
3061 * include/bits/hashtable_policy.h: Likewise.
3062 * include/bits/stl_heap.h: Likewise.
3063 * include/bits/stl_iterator_base_funcs.h: Likewise.
3065 2022-05-26 François Dumont <fdumont@gcc.gnu.org>
3067 * python/libstdcxx/v6/printers.py (StdSpanPrinter.__init__):
3068 Strip typename from version namespace.
3070 2022-05-26 Jonathan Wakely <jwakely@redhat.com>
3072 * python/libstdcxx/v6/printers.py (SharedPointerPrinter): Strip
3073 versioned namespace from the template argument too.
3075 2022-05-26 Jonathan Wakely <jwakely@redhat.com>
3077 * testsuite/21_strings/basic_string/modifiers/pop_back/char/1.cc:
3078 Moved to...
3079 * testsuite/21_strings/basic_string/modifiers/pop_back/char.cc:
3080 ...here.
3081 * testsuite/21_strings/basic_string/modifiers/pop_back/wchar_t/1.cc:
3082 Moved to...
3083 * testsuite/21_strings/basic_string/modifiers/pop_back/wchar_t.cc:
3084 ...here.
3085 * testsuite/21_strings/basic_string/modifiers/swap/wchar_t/constexpr.cc:
3086 Moved to...
3087 * testsuite/21_strings/basic_string/modifiers/swap/constexpr-wchar_t.cc:
3088 ...here.
3089 * testsuite/21_strings/basic_string/modifiers/swap/char/constexpr.cc:
3090 Moved to...
3091 * testsuite/21_strings/basic_string/modifiers/swap/constexpr.cc:
3092 ...here.
3093 * testsuite/21_strings/basic_string/operations/contains/char/1.cc:
3094 Moved to...
3095 * testsuite/21_strings/basic_string/operations/contains/char.cc:
3096 ...here.
3097 * testsuite/21_strings/basic_string/operations/contains/wchar_t/1.cc:
3098 Moved to...
3099 * testsuite/21_strings/basic_string/operations/contains/wchar_t.cc:
3100 ...here.
3101 * testsuite/21_strings/basic_string/operations/data/char/1.cc:
3102 Moved to...
3103 * testsuite/21_strings/basic_string/operations/data/char.cc:
3104 ...here.
3105 * testsuite/21_strings/basic_string/operations/data/wchar_t/1.cc:
3106 Moved to...
3107 * testsuite/21_strings/basic_string/operations/data/wchar_t.cc:
3108 ...here.
3109 * testsuite/21_strings/basic_string/operations/ends_with/char/1.cc:
3110 Moved to...
3111 * testsuite/21_strings/basic_string/operations/ends_with/char.cc:
3112 ...here.
3113 * testsuite/21_strings/basic_string/operations/ends_with/wchar_t/1.cc:
3114 Moved to...
3115 * testsuite/21_strings/basic_string/operations/ends_with/wchar_t.cc:
3116 ...here.
3117 * testsuite/21_strings/basic_string/operations/starts_with/char/1.cc:
3118 Moved to...
3119 * testsuite/21_strings/basic_string/operations/starts_with/char.cc:
3120 ...here.
3121 * testsuite/21_strings/basic_string/operations/starts_with/wchar_t/1.cc:
3122 Moved to...
3123 * testsuite/21_strings/basic_string/operations/starts_with/wchar_t.cc:
3124 ...here.
3125 * testsuite/21_strings/basic_string/operations/substr/char/1.cc:
3126 Moved to...
3127 * testsuite/21_strings/basic_string/operations/substr/char.cc:
3128 ...here.
3129 * testsuite/21_strings/basic_string/operations/substr/wchar_t/1.cc:
3130 Moved to...
3131 * testsuite/21_strings/basic_string/operations/substr/wchar_t.cc:
3132 ...here.
3133 * testsuite/21_strings/basic_string/range_access/char/1.cc:
3134 Moved to...
3135 * testsuite/21_strings/basic_string/range_access/char.cc:
3136 ...here.
3137 * testsuite/21_strings/basic_string/range_access/wchar_t/1.cc:
3138 Moved to...
3139 * testsuite/21_strings/basic_string/range_access/wchar_t.cc:
3140 ...here.
3141 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/char/1.cc:
3142 Moved to...
3143 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/char.cc:
3144 ...here.
3145 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/wchar_t/1.cc:
3146 Moved to...
3147 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/wchar_t.cc:
3148 ...here.
3149 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/char/1.cc:
3150 Moved to...
3151 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/char.cc:
3152 ...here.
3153 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/wchar_t/1.cc:
3154 Moved to...
3155 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/wchar_t.cc:
3156 ...here.
3157 * testsuite/21_strings/basic_string_view/modifiers/swap/char/1.cc:
3158 Moved to...
3159 * testsuite/21_strings/basic_string_view/modifiers/swap/char.cc:
3160 ...here.
3161 * testsuite/21_strings/basic_string_view/modifiers/swap/wchar_t/1.cc:
3162 Moved to...
3163 * testsuite/21_strings/basic_string_view/modifiers/swap/wchar_t.cc:
3164 ...here.
3165 * testsuite/21_strings/basic_string_view/operations/contains/char/1.cc:
3166 Moved to...
3167 * testsuite/21_strings/basic_string_view/operations/contains/char.cc:
3168 ...here.
3169 * testsuite/21_strings/basic_string_view/operations/contains/wchar_t/1.cc:
3170 Moved to...
3171 * testsuite/21_strings/basic_string_view/operations/contains/wchar_t.cc:
3172 ...here.
3173 * testsuite/21_strings/basic_string_view/operations/data/char/1.cc:
3174 Moved to...
3175 * testsuite/21_strings/basic_string_view/operations/data/char.cc:
3176 ...here.
3177 * testsuite/21_strings/basic_string_view/operations/data/wchar_t/1.cc:
3178 Moved to...
3179 * testsuite/21_strings/basic_string_view/operations/data/wchar_t.cc:
3180 ...here.
3181 * testsuite/21_strings/basic_string_view/operations/ends_with/char/1.cc:
3182 Moved to...
3183 * testsuite/21_strings/basic_string_view/operations/ends_with/char.cc:
3184 ...here.
3185 * testsuite/21_strings/basic_string_view/operations/ends_with/wchar_t/1.cc:
3186 Moved to...
3187 * testsuite/21_strings/basic_string_view/operations/ends_with/wchar_t.cc:
3188 ...here.
3189 * testsuite/21_strings/basic_string_view/operations/starts_with/char/1.cc:
3190 Moved to...
3191 * testsuite/21_strings/basic_string_view/operations/starts_with/char.cc:
3192 ...here.
3193 * testsuite/21_strings/basic_string_view/operations/starts_with/wchar_t/1.cc:
3194 Moved to...
3195 * testsuite/21_strings/basic_string_view/operations/starts_with/wchar_t.cc:
3196 ...here.
3197 * testsuite/21_strings/basic_string_view/operations/substr/char/1.cc:
3198 Moved to...
3199 * testsuite/21_strings/basic_string_view/operations/substr/char.cc:
3200 ...here.
3201 * testsuite/21_strings/basic_string_view/operations/substr/wchar_t/1.cc:
3202 Moved to...
3203 * testsuite/21_strings/basic_string_view/operations/substr/wchar_t.cc:
3204 ...here.
3205 * testsuite/21_strings/basic_string_view/range_access/char/1.cc:
3206 Moved to...
3207 * testsuite/21_strings/basic_string_view/range_access/char.cc:
3208 ...here.
3209 * testsuite/21_strings/basic_string_view/range_access/wchar_t/1.cc:
3210 Moved to...
3211 * testsuite/21_strings/basic_string_view/range_access/wchar_t.cc:
3212 ...here.
3213 * testsuite/21_strings/basic_string/requirements/explicit_instantiation/char/1.cc:
3214 Moved to...
3215 * testsuite/21_strings/basic_string/requirements/explicit_instantiation/char.cc:
3216 ...here.
3217 * testsuite/21_strings/basic_string/requirements/explicit_instantiation/char16_t/1.cc:
3218 Moved to...
3219 * testsuite/21_strings/basic_string/requirements/explicit_instantiation/char16_t.cc:
3220 ...here.
3221 * testsuite/21_strings/basic_string/requirements/explicit_instantiation/char32_t/1.cc:
3222 Moved to...
3223 * testsuite/21_strings/basic_string/requirements/explicit_instantiation/char32_t.cc:
3224 ...here.
3225 * testsuite/21_strings/basic_string/requirements/explicit_instantiation/char8_t/1.cc:
3226 Moved to...
3227 * testsuite/21_strings/basic_string/requirements/explicit_instantiation/char8_t.cc:
3228 ...here.
3229 * testsuite/21_strings/basic_string/requirements/explicit_instantiation/1.cc:
3230 Moved to...
3231 * testsuite/21_strings/basic_string/requirements/explicit_instantiation/int.cc:
3232 ...here.
3233 * testsuite/21_strings/basic_string/requirements/explicit_instantiation/wchar_t/1.cc:
3234 Moved to...
3235 * testsuite/21_strings/basic_string/requirements/explicit_instantiation/wchar_t.cc:
3236 ...here.
3237 * testsuite/21_strings/basic_string_view/requirements/explicit_instantiation/char/1.cc:
3238 Moved to...
3239 * testsuite/21_strings/basic_string_view/requirements/explicit_instantiation/char.cc:
3240 ...here.
3241 * testsuite/21_strings/basic_string_view/requirements/explicit_instantiation/char16_t/1.cc:
3242 Moved to...
3243 * testsuite/21_strings/basic_string_view/requirements/explicit_instantiation/char16_t.cc:
3244 ...here.
3245 * testsuite/21_strings/basic_string_view/requirements/explicit_instantiation/char32_t/1.cc:
3246 Moved to...
3247 * testsuite/21_strings/basic_string_view/requirements/explicit_instantiation/char32_t.cc:
3248 ...here.
3249 * testsuite/21_strings/basic_string_view/requirements/explicit_instantiation/char8_t/1.cc:
3250 Moved to...
3251 * testsuite/21_strings/basic_string_view/requirements/explicit_instantiation/char8_t.cc:
3252 ...here.
3253 * testsuite/21_strings/basic_string_view/requirements/explicit_instantiation/1.cc:
3254 Moved to...
3255 * testsuite/21_strings/basic_string_view/requirements/explicit_instantiation/int.cc:
3256 ...here.
3257 * testsuite/21_strings/basic_string_view/requirements/explicit_instantiation/wchar_t/1.cc:
3258 Moved to...
3259 * testsuite/21_strings/basic_string_view/requirements/explicit_instantiation/wchar_t.cc:
3260 ...here.
3261 * testsuite/21_strings/char_traits/requirements/explicit_instantiation/char/1.cc:
3262 Moved to...
3263 * testsuite/21_strings/char_traits/requirements/explicit_instantiation/char.cc:
3264 ...here.
3265 * testsuite/21_strings/char_traits/requirements/explicit_instantiation/char16_t/1.cc:
3266 Moved to...
3267 * testsuite/21_strings/char_traits/requirements/explicit_instantiation/char16_t.cc:
3268 ...here.
3269 * testsuite/21_strings/char_traits/requirements/explicit_instantiation/char32_t/1.cc:
3270 Moved to...
3271 * testsuite/21_strings/char_traits/requirements/explicit_instantiation/char32_t.cc:
3272 ...here.
3273 * testsuite/21_strings/char_traits/requirements/explicit_instantiation/char8_t/1.cc:
3274 Moved to...
3275 * testsuite/21_strings/char_traits/requirements/explicit_instantiation/char8_t.cc:
3276 ...here.
3277 * testsuite/21_strings/char_traits/requirements/explicit_instantiation/short/1.cc:
3278 Moved to...
3279 * testsuite/21_strings/char_traits/requirements/explicit_instantiation/short.cc:
3280 ...here.
3281 * testsuite/21_strings/char_traits/requirements/explicit_instantiation/wchar_t/1.cc:
3282 Moved to...
3283 * testsuite/21_strings/char_traits/requirements/explicit_instantiation/wchar_t.cc:
3284 ...here.
3286 2022-05-26 Jonathan Wakely <jwakely@redhat.com>
3288 * testsuite/20_util/duration/requirements/explicit_instantiation/explicit_instantiation.cc:
3289 Moved to...
3290 * testsuite/20_util/duration/requirements/explicit_instantiation.cc: ...here.
3291 * testsuite/20_util/time_point/requirements/explicit_instantiation/explicit_instantiation.cc:
3292 Moved to...
3293 * testsuite/20_util/time_point/requirements/explicit_instantiation.cc: ...here.
3294 * testsuite/20_util/unique_ptr/requirements/explicit_instantiation/explicit_instantiation.cc:
3295 Moved to...
3296 * testsuite/20_util/unique_ptr/requirements/explicit_instantiation.cc: ...here.
3298 2022-05-25 Jason Merrill <jason@redhat.com>
3300 * testsuite/20_util/function_objects/constexpr_searcher.cc: Add
3301 constexpr.
3303 2022-05-20 Jonathan Wakely <jwakely@redhat.com>
3305 * testsuite/26_numerics/random/bernoulli_distribution/operators/values.cc:
3306 Run fewer iterations for simulator targets.
3307 * testsuite/26_numerics/random/binomial_distribution/operators/values.cc:
3308 Likewise.
3309 * testsuite/26_numerics/random/discrete_distribution/operators/values.cc:
3310 Likewise.
3311 * testsuite/26_numerics/random/geometric_distribution/operators/values.cc:
3312 Likewise.
3313 * testsuite/26_numerics/random/negative_binomial_distribution/operators/values.cc:
3314 Likewise.
3315 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
3316 Likewise.
3317 * testsuite/26_numerics/random/uniform_int_distribution/operators/values.cc:
3318 Likewise.
3320 2022-05-19 Jonathan Wakely <jwakely@redhat.com>
3322 * include/bits/char_traits.h: Only include <cstdint> when
3323 necessary.
3324 * include/std/stacktrace: Use __UINTPTR_TYPE__ instead of
3325 uintptr_t.
3326 * src/c++11/cow-stdexcept.cc: Include <stdint.h>.
3327 * src/c++17/floating_to_chars.cc: Likewise.
3328 * testsuite/20_util/assume_aligned/1.cc: Include <cstdint>.
3329 * testsuite/20_util/assume_aligned/3.cc: Likewise.
3330 * testsuite/20_util/shared_ptr/creation/array.cc: Likewise.
3332 2022-05-19 Jonathan Wakely <jwakely@redhat.com>
3334 * include/bits/basic_string.h: Do not include <ext/atomicity.h>
3335 here.
3336 * include/bits/cow_string.h: Include it here.
3338 2022-05-19 Jonathan Wakely <jwakely@redhat.com>
3340 * include/Makefile.am: Add new header.
3341 * include/Makefile.in: Regenerate.
3342 * include/bits/memory_resource.h: New file.
3343 * include/std/deque: Include <bits/memory_resource.h>.
3344 * include/std/forward_list: Likewise.
3345 * include/std/list: Likewise.
3346 * include/std/map: Likewise.
3347 * include/std/memory_resource (pmr::memory_resource): Move to
3348 new <bits/memory_resource.h> header.
3349 (pmr::polymorphic_allocator): Likewise.
3350 * include/std/regex: Likewise.
3351 * include/std/set: Likewise.
3352 * include/std/stacktrace: Likewise.
3353 * include/std/string: Likewise.
3354 * include/std/unordered_map: Likewise.
3355 * include/std/unordered_set: Likewise.
3356 * include/std/vector: Likewise.
3357 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc:
3358 Remove <memory_resource> header and check construction.
3359 * testsuite/23_containers/deque/types/pmr_typedefs.cc: Likewise.
3360 * testsuite/23_containers/forward_list/pmr_typedefs.cc:
3361 Likewise.
3362 * testsuite/23_containers/list/pmr_typedefs.cc: Likewise.
3363 * testsuite/23_containers/map/pmr_typedefs.cc: Likewise.
3364 * testsuite/23_containers/multimap/pmr_typedefs.cc: Likewise.
3365 * testsuite/23_containers/multiset/pmr_typedefs.cc: Likewise.
3366 * testsuite/23_containers/set/pmr_typedefs.cc: Likewise.
3367 * testsuite/23_containers/unordered_map/pmr_typedefs.cc:
3368 Likewise.
3369 * testsuite/23_containers/unordered_multimap/pmr_typedefs.cc:
3370 Likewise.
3371 * testsuite/23_containers/unordered_multiset/pmr_typedefs.cc:
3372 Likewise.
3373 * testsuite/23_containers/unordered_set/pmr_typedefs.cc:
3374 Likewise.
3375 * testsuite/23_containers/vector/pmr_typedefs.cc: Likewise.
3376 * testsuite/28_regex/match_results/pmr_typedefs.cc: Likewise.
3378 2022-05-19 Jonathan Wakely <jwakely@redhat.com>
3380 * include/std/memory_resource (polymorphic_allocator): Add
3381 non-template equality operator, as proposed for LWG 3683.
3382 * testsuite/20_util/polymorphic_allocator/lwg3683.cc: New test.
3384 2022-05-17 Jonathan Wakely <jwakely@redhat.com>
3386 * src/c++17/memory_resource.cc (set_default_resource): Use
3387 memory_order_acq_rel.
3388 (get_default_resource): Use memory_order_acquire.
3390 2022-05-17 Jonathan Wakely <jwakely@redhat.com>
3392 * include/std/memory_resource (new_delete_resource): Add
3393 nodiscard, returns_nonnull and const attributes.
3394 (null_memory_resource): Likewise.
3395 (set_default_resource, get_default_resource): Add returns_nonnull
3396 attribute.
3397 (memory_resource::is_equal): Add nodiscard attribute.
3398 (operator==, operator!=): Likewise.
3400 2022-05-17 Jonathan Wakely <jwakely@redhat.com>
3402 * include/bits/ios_base.h (io_category): Add const and nodiscard
3403 attributes.
3404 (make_error_code, make_error_condition): Add nodiscard.
3405 * include/std/future (future_category): Add const and nodiscard.
3406 (make_error_code, make_error_condition): Add nodiscard.
3407 * include/std/system_error (generic_category system_category):
3408 Add nodiscard. Replace _GLIBCXX_CONST with C++11 attribute.
3409 (error_code::value, error_code::category, error_code::operator bool)
3410 (error_condition::value, error_condition::category)
3411 (error_condition::operator bool, make_error_code)
3412 (make_error_condition, operator==, operator!=, operator<=>): Add
3413 nodiscard.
3415 2022-05-17 Jonathan Wakely <jwakely@redhat.com>
3417 * testsuite/20_util/expected/synopsis.cc: Skip for versioned
3418 namespace.
3419 * testsuite/27_io/headers/iosfwd/synopsis.cc: Likewise.
3421 2022-05-17 Jonathan Wakely <jwakely@redhat.com>
3423 * src/Makefile.am [ENABLE_SYMVERS_GNU_NAMESPACE] (cxx11_sources):
3424 Do not build the compatibility*-c++0x.cc objects.
3425 * src/Makefile.in: Regenerate.
3426 * src/c++11/compatibility-c++0x.cc [_GLIBCXX_INLINE_VERSION]:
3427 Refuse to build for the versioned namespace.
3428 * src/c++11/compatibility-chrono.cc: Likewise.
3429 * src/c++11/compatibility-condvar.cc: Likewise.
3430 * src/c++11/compatibility-thread-c++0x.cc: Likewise.
3431 * src/c++11/chrono.cc (system_clock, steady_clock):
3432 Use macros to define in inline namespace _V2, matching the
3433 declarations in <system_error>.
3434 * src/c++11/system_error.cc (system_category, generic_category):
3435 Likewise.
3437 2022-05-16 Jonathan Wakely <jwakely@redhat.com>
3439 * doc/xml/manual/prerequisites.xml: Fix attributes for external
3440 hyperlink.
3441 * doc/html/manual/setup.html: Regenerate.
3443 2022-05-16 Jonathan Wakely <jwakely@redhat.com>
3445 * doc/xml/manual/status_cxx2023.xml: Update with gcc-12 support.
3446 * doc/html/*: Regenerate.
3448 2022-05-16 Jonathan Wakely <jwakely@redhat.com>
3450 * doc/xml/manual/intro.xml: Include new chapter.
3451 * doc/xml/manual/status_cxx2020.xml: Tweak release numbers.
3452 * doc/xml/manual/status_cxx2023.xml: New file.
3453 * doc/html/*: Regenerate.
3455 2022-05-16 Jonathan Wakely <jwakely@redhat.com>
3457 * doc/html/manual/status.html: Regenerate.
3458 * doc/xml/manual/status_cxx2020.xml: Fix supported version for
3459 C++20 bit operations.
3461 2022-05-13 Jonathan Wakely <jwakely@redhat.com>
3463 * include/bits/std_thread.h (thread::_State, thread::_State_ptr):
3464 Declare as private unless _GLIBCXX_THREAD_IMPL is defined.
3465 * src/c++11/thread.cc (_GLIBCXX_THREAD_IMPL): Define.
3467 2022-05-13 Jonathan Wakely <jwakely@redhat.com>
3469 * include/std/future (launch): Make operators noexcept.
3471 2022-05-13 Jonathan Wakely <jwakely@redhat.com>
3473 * doc/doxygen/user.cfg.in (PREDEFINED): Replace __exception_ptr
3474 with "__unspecified__".
3475 * libsupc++/exception_ptr.h: Improve doxygen docs.
3476 (__exception_ptr::swap): Also declare in namespace std.
3478 2022-05-13 Jonathan Wakely <jwakely@redhat.com>
3480 * libsupc++/nested_exception.h (throw_with_nested) [C++17]: Use
3481 if-constexpr instead of tag dispatching.
3482 (rethrow_if_nested) [C++17]: Likewise.
3483 (rethrow_if_nested) [!__cpp_rtti]: Do not use dynamic_cast if it
3484 would require RTTI.
3485 * testsuite/18_support/nested_exception/rethrow_if_nested-term.cc:
3486 New test.
3488 2022-05-13 Jonathan Wakely <jwakely@redhat.com>
3490 * doc/doxygen/user.cfg.in (PREDEFINED): Define
3491 _GTHREAD_USE_MUTEX_TIMEDLOCK macro.
3492 * include/bits/std_mutex.h (mutex, lock_guard): Use @since and
3493 @headerfile.
3494 * include/bits/unique_lock.h (unique_lock): Likewise.
3495 * include/std/mutex (recursive_mutex, timed_mutex)
3496 (recursive_timed_mutex, scoped_lock): Likewise.
3498 2022-05-13 Jonathan Wakely <jwakely@redhat.com>
3500 * doc/doxygen/user.cfg.in (PREDEFINED): Define
3501 _GLIBCXX23_CONSTEXPR macro.
3502 * include/backward/auto_ptr.h (auto_ptr): Use @deprecated.
3503 * include/bits/unique_ptr.h (default_delete): Use @since and
3504 @headerfile.
3505 * include/std/scoped_allocator: Remove @ingroup from @file
3506 block.
3508 2022-05-13 Jonathan Wakely <jwakely@redhat.com>
3510 * include/bits/std_thread.h (thread, thread::id): Improve
3511 doxygen docs.
3512 * include/std/future: Likewise.
3513 * include/std/thread (jthread): Likewise.
3515 2022-05-13 Jonathan Wakely <jwakely@redhat.com>
3517 * include/bits/ostream_insert.h: Mark helper functions as
3518 undocumented by Doxygen.
3519 * include/bits/stl_algo.h: Use markdown for formatting and mark
3520 helper functions as undocumented.
3521 * include/bits/stl_numeric.h: Likewise.
3522 * include/bits/stl_pair.h (pair): Add @headerfile.
3524 2022-05-13 Jonathan Wakely <jwakely@redhat.com>
3526 * doc/doxygen/user.cfg.in (PREDEFINED): Define __allocator_base
3527 so that Doxygen shows the right base-class for std::allocator.
3528 * include/bits/alloc_traits.h: Improve doxygen docs.
3529 * include/bits/allocator.h: Likewise.
3530 * include/bits/new_allocator.h: Likewise.
3531 * include/ext/new_allocator.h: Likewise.
3533 2022-05-13 Jonathan Wakely <jwakely@redhat.com>
3535 * doc/doxygen/user.cfg.in (PREDEFINED): Define macro
3536 _GLIBCXX_DOXYGEN_ONLY to expand its argument.
3537 * include/bits/c++config (_GLIBCXX_DOXYGEN_ONLY): Define.
3538 * include/bits/regex.h: Improve doxygen docs.
3539 * include/bits/regex_constants.h: Likewise.
3540 * include/bits/regex_error.h: Likewise.
3542 2022-05-13 Jonathan Wakely <jwakely@redhat.com>
3544 * include/std/atomic: Suppress doxygen docs for
3545 implementation details.
3546 * include/bits/atomic_base.h: Likewise.
3547 * include/bits/shared_ptr_atomic.h: Use markdown. Fix grouping
3548 so that std::atomic is not added to the pointer abstractions
3549 group.
3551 2022-05-13 Jonathan Wakely <jwakely@redhat.com>
3553 * include/std/system_error: Improve doxygen comments.
3555 2022-05-13 Jonathan Wakely <jwakely@redhat.com>
3557 * include/bits/ptr_traits.h: Add some doxygen comments.
3559 2022-05-13 Jonathan Wakely <jwakely@redhat.com>
3561 * doc/doxygen/user.cfg.in (PREDEFINED): Expand new macros to
3562 nothing.
3563 * include/bits/c++config (_GLIBCXX_BEGIN_INLINE_ABI_NAMESPACE)
3564 (_GLIBCXX_END_INLINE_ABI_NAMESPACE): Define new macros.
3565 * include/bits/algorithmfwd.h (_V2::__rotate): Use new macros
3566 for the namespace.
3567 * include/bits/chrono.h (chrono::_V2::system_clock): Likewise.
3568 * include/bits/stl_algo.h (_V2::__rotate): Likewise.
3569 * include/std/condition_variable (_V2::condition_variable_any):
3570 Likewise.
3571 * include/std/system_error (_V2::error_category): Likewise.
3573 2022-05-13 Jonathan Wakely <jwakely@redhat.com>
3575 * include/bits/mofunc_impl.h: Fix doxygen command.
3577 2022-05-13 Jonathan Wakely <jwakely@redhat.com>
3579 * doc/doxygen/user.cfg.in (GROUP_NESTED_COMPOUNDS): Set to NO.
3580 (CLASS_DIAGRAMS): Remove obsolete option.
3582 2022-05-12 Jonathan Wakely <jwakely@redhat.com>
3584 * config/locale/dragonfly/numeric_members.cc: Remove whitespace.
3585 * config/locale/gnu/numeric_members.cc: Likewise.
3586 * include/bits/locale_facets_nonio.h: Likewise.
3587 * libsupc++/typeinfo: Likewise.
3589 2022-05-10 Jonathan Wakely <jwakely@redhat.com>
3591 PR libstdc++/105284
3592 * include/std/iosfwd: Add declarations for <spanstream> class
3593 templates and typedefs.
3594 * include/std/spanstream (basic_spanbuf, basic_ispanstream)
3595 (basic_ospanstream, basic_spanstream): Remove default template
3596 arguments.
3597 * testsuite/27_io/headers/iosfwd/synopsis.cc: Add <spanstream>
3598 declarations.
3599 * testsuite/27_io/headers/iosfwd/types.cc: Check <spanstream>
3600 default arguments.
3602 2022-05-10 Jonathan Wakely <jwakely@redhat.com>
3604 PR libstdc++/105284
3605 * include/std/iosfwd: Add declarations for <synstream> class
3606 templates and typedefs.
3607 * include/std/syncstream (basic_syncbuf, basic_osyncstream):
3608 Remove default template arguments.
3609 * testsuite/27_io/headers/iosfwd/synopsis.cc: New test.
3610 * testsuite/27_io/headers/iosfwd/types.cc: New test.
3612 2022-05-06 Jonathan Wakely <jwakely@redhat.com>
3614 * include/bits/random.tcc (operator==): Only check
3615 normal_distribution::_M_saved_available once.
3616 * testsuite/26_numerics/random/normal_distribution/operators/equal.cc:
3617 Check equality after state changes.
3618 * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error
3619 lineno.
3621 2022-05-06 Jonathan Wakely <jwakely@redhat.com>
3623 PR libstdc++/105502
3624 * include/bits/random.tcc
3625 (operator>>(basic_istream<C,T>&, normal_distribution<R>&)):
3626 Update state when __state_avail is false.
3627 * testsuite/26_numerics/random/normal_distribution/operators/serialize.cc:
3628 Check that deserialized object equals serialized one.
3630 2022-05-06 Alexandre Oliva <oliva@adacore.com>
3632 * include/experimental/bits/simd.h [__ALTIVEC__]: Require VSX
3633 for double, long long, and 64-bit long intrinsic types.
3634 [__ALTIVEC__] (__intrinsic_type): Mention 128-bit in
3635 preexisting long double diagnostic, adjust no-VSX double
3636 diagnostic to cover 64-bit long double as well.
3638 2022-05-06 Jonathan Wakely <jwakely@redhat.com>
3640 PR libstdc++/104731
3641 * testsuite/27_io/filesystem/iterators/error_reporting.cc:
3642 Use a trailing char array as storage for dirent::d_name.
3644 2022-05-06 Jonathan Wakely <jwakely@redhat.com>
3646 * include/std/stacktrace: Do not include <cxxabi.h>.
3647 (__cxa_demangle): Declare.
3649 2022-05-06 Jonathan Wakely <jwakely@redhat.com>
3651 PR libstdc++/99871
3652 * include/bits/specfun.h: Use visibility attribute on namespace,
3653 instead of pragma push/pop.
3654 * libsupc++/compare: Likewise.
3655 * libsupc++/exception: Likewise.
3656 * libsupc++/exception.h: Likewise.
3657 * libsupc++/exception_ptr.h: Likewise.
3658 * libsupc++/initializer_list: Likewise.
3659 * libsupc++/nested_exception.h: Likewise.
3661 2022-05-06 Jonathan Wakely <jwakely@redhat.com>
3663 * doc/xml/manual/test.xml: Remove requirement for copyright and
3664 GPL notice in tests.
3665 * doc/html/manual/test.html: Regenerate.
3667 2022-05-05 Jonathan Wakely <jwakely@redhat.com>
3669 * include/experimental/memory_resource [!__cpp_rtti]
3670 (__resource_adaptor_imp::do_is_equal): Do not use dynamic_cast
3671 when RTTI is disabled.
3672 * testsuite/17_intro/freestanding.cc: Require RTTI.
3673 * testsuite/18_support/exception/38732.cc: Likewise.
3674 * testsuite/18_support/exception_ptr/rethrow_exception.cc:
3675 Likewise.
3676 * testsuite/18_support/nested_exception/68139.cc: Likewise.
3677 * testsuite/18_support/nested_exception/rethrow_if_nested.cc:
3678 Likewise.
3679 * testsuite/18_support/type_info/103240.cc: Likewise.
3680 * testsuite/18_support/type_info/fundamental.cc: Likewise.
3681 * testsuite/18_support/type_info/hash_code.cc: Likewise.
3682 * testsuite/20_util/any/assign/emplace.cc: Likewise.
3683 * testsuite/20_util/any/cons/in_place.cc: Likewise.
3684 * testsuite/20_util/any/misc/any_cast.cc: Likewise.
3685 * testsuite/20_util/any/observers/type.cc: Likewise.
3686 * testsuite/20_util/function/1.cc: Likewise.
3687 * testsuite/20_util/function/2.cc: Likewise.
3688 * testsuite/20_util/function/3.cc: Likewise.
3689 * testsuite/20_util/function/4.cc: Likewise.
3690 * testsuite/20_util/function/5.cc: Likewise.
3691 * testsuite/20_util/function/6.cc: Likewise.
3692 * testsuite/20_util/function/7.cc: Likewise.
3693 * testsuite/20_util/function/8.cc: Likewise.
3694 * testsuite/20_util/polymorphic_allocator/resource.cc: Likewise.
3695 * testsuite/20_util/shared_ptr/casts/1.cc: Likewise.
3696 * testsuite/20_util/shared_ptr/casts/rval.cc: Likewise.
3697 * testsuite/20_util/shared_ptr/cons/unique_ptr_deleter_ref_2.cc:
3698 Likewise.
3699 * testsuite/20_util/shared_ptr/misc/get_deleter.cc: Likewise.
3700 * testsuite/20_util/typeindex/comparison_operators.cc: Likewise.
3701 * testsuite/20_util/typeindex/comparison_operators_c++20.cc:
3702 Likewise.
3703 * testsuite/20_util/typeindex/hash.cc: Likewise.
3704 * testsuite/20_util/typeindex/hash_code.cc: Likewise.
3705 * testsuite/20_util/typeindex/name.cc: Likewise.
3706 * testsuite/22_locale/ctype/is/string/89728_neg.cc: Likewise.
3707 * testsuite/22_locale/global_templates/standard_facet_hierarchies.cc:
3708 Likewise.
3709 * testsuite/22_locale/global_templates/user_facet_hierarchies.cc:
3710 Likewise.
3711 * testsuite/22_locale/locale/13630.cc: Check type without using
3712 RTTI.
3713 * testsuite/23_containers/array/requirements/non_default_constructible.cc:
3714 Require RTTI.
3715 * testsuite/27_io/basic_ostream/emit/1.cc: Likewise.
3716 * testsuite/27_io/fpos/14320-1.cc: Check type without using RTTI.
3717 * testsuite/27_io/fpos/mbstate_t/12065.cc: Require RTTI.
3718 * testsuite/27_io/ios_base/failure/dual_abi.cc: Likewise.
3719 * testsuite/experimental/any/misc/any_cast.cc: Likewise.
3720 * testsuite/experimental/any/observers/type.cc: Likewise.
3721 * testsuite/experimental/memory_resource/resource_adaptor.cc:
3722 Likewise.
3723 * testsuite/lib/libstdc++.exp (check_effective_target_rtti):
3724 Define new proc.
3725 * testsuite/tr1/3_function_objects/function/1.cc: Likewise.
3726 * testsuite/tr1/3_function_objects/function/2.cc: Likewise.
3727 * testsuite/tr1/3_function_objects/function/3.cc: Likewise.
3728 * testsuite/tr1/3_function_objects/function/4.cc: Likewise.
3729 * testsuite/tr1/3_function_objects/function/5.cc: Likewise.
3730 * testsuite/tr1/3_function_objects/function/6.cc: Likewise.
3731 * testsuite/tr1/3_function_objects/function/7.cc: Likewise.
3732 * testsuite/tr1/3_function_objects/function/8.cc: Likewise.
3733 * testsuite/tr2/bases/value.cc: Likewise.
3734 * testsuite/tr2/direct_bases/value.cc: Likewise.
3735 * testsuite/util/exception/safety.h [!__cpp_rtti]: Don't print
3736 types without RTTI.
3738 2022-05-04 Jonathan Wakely <jwakely@redhat.com>
3740 PR libstdc++/104719
3741 * include/std/array (array::size(), array::max_size())
3742 (array::empty(), array::data()): Add always_inline attribute.
3744 2022-05-04 Jonathan Wakely <jwakely@redhat.com>
3746 PR libstdc++/104719
3747 * include/std/array (__array_traits::_S_ref): Remove.
3748 (__array_traits::_S_ptr): Remove.
3749 (__array_traits<T, 0>::_Type): Define operator[] and operator T*
3750 to provide an array-like API.
3751 (array::_AT_Type): Remove public typeef.
3752 (array::operator[], array::at, array::front, array::back): Use
3753 index operator to access _M_elems instead of _S_ref.
3754 (array::data): Use implicit conversion from _M_elems to pointer.
3755 (swap(array&, array&)): Use __enable_if_t helper.
3756 (get<I>): Use index operator to access _M_elems.
3757 * testsuite/23_containers/array/tuple_interface/get_neg.cc:
3758 Adjust dg-error line numbers.
3760 2022-05-03 Alexandre Oliva <oliva@adacore.com>
3762 PR c++/105324
3763 * testsuite/20_util/from_chars/pr105324.cc: Guard test body
3764 with conditional for floating-point overloads of from_char.
3766 2022-05-02 Patrick Palka <ppalka@redhat.com>
3768 PR libstdc++/103911
3769 * src/c++17/floating_from_chars.cc (find_end_of_float): Accept
3770 two delimeters for the exponent part in the form of a possibly
3771 NULL string of length two. Don't use std::tolower.
3772 (pattern): Adjust calls to find_end_of_float accordingly.
3774 2022-05-02 Patrick Palka <ppalka@redhat.com>
3776 PR libstdc++/105441
3777 * src/c++17/floating_from_chars.cc (__floating_from_chars_hex):
3778 Also accept 'P' as the start of the exponent.
3779 * testsuite/20_util/from_chars/7.cc: Add corresponding testcase.
3781 2022-04-29 Jonathan Wakely <jwakely@redhat.com>
3783 PR libstdc++/105417
3784 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt:
3785 Regenerate.
3786 * src/c++11/compatibility-ldbl-alt128.cc [_GLIBCXX_USE_DUAL_ABI]:
3787 Define __gnu_ieee128::num_get<C>::_M_extract_int[abi:cxx11]<I>
3788 symbols as aliases for corresponding symbols without abi-tag.
3790 2022-04-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3792 * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
3793 * config/abi/post/i386-solaris/amd64/baseline_symbols.txt:
3794 Likewise.
3795 * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
3796 * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
3797 Likewise.
3799 2022-04-28 Jonathan Wakely <jwakely@redhat.com>
3801 PR libstdc++/99290
3802 * src/c++17/fs_ops.cc (fs::copy): Pass error_code to
3803 directory_iterator constructor, and check on each iteration.
3804 * src/filesystem/ops.cc (fs::copy): Likewise.
3805 * testsuite/27_io/filesystem/operations/copy.cc: Check for
3806 errors during recursion.
3807 * testsuite/experimental/filesystem/operations/copy.cc:
3808 Likewise.
3810 2022-04-28 François Dumont <fdumont@gcc.gnu.org>
3812 * config/abi/pre/gnu-versioned-namespace.ver: Remove
3813 std::random_device::* pattern.
3815 2022-04-27 Jakub Jelinek <jakub@redhat.com>
3817 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3818 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
3819 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
3820 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
3821 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
3822 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
3823 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3824 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
3826 2022-04-27 Jonathan Wakely <jwakely@redhat.com>
3828 * python/libstdcxx/v6/printers.py (SharedPointerPrinter): Add
3829 support for atomic<shared_ptr<T>> and atomic<weak_ptr<T>>.
3830 (StdAtomicPrinter): New printer.
3831 (build_libstdcxx_dictionary): Register new printer.
3832 * testsuite/libstdc++-prettyprinters/cxx11.cc: Test std::atomic.
3833 * testsuite/libstdc++-prettyprinters/cxx20.cc: Test atomic smart
3834 pointers.
3836 2022-04-26 Jonathan Wakely <jwakely@redhat.com>
3838 * include/bits/shared_ptr_atomic.h (atomic<shared_ptr>): Add
3839 constructor for constant initialization from nullptr_t.
3840 * testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc:
3841 Check for new constructor.
3843 2022-04-26 Jonathan Wakely <jwakely@redhat.com>
3845 * include/bits/fs_path.h (hash<filesystem::path>): Define.
3846 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc:
3847 Check std::hash specialization.
3849 2022-04-25 Jonathan Wakely <jwakely@redhat.com>
3851 * include/bits/ptr_traits.h (__cpp_lib_constexpr_memory): Define
3852 conditionally.
3853 * include/bits/unique_ptr.h (__cpp_lib_constexpr_memory):
3854 Define for C++23.
3855 (default_delete, default_delete<T[]>, __uniq_ptr_impl)
3856 (unique_ptr, unique_ptr<T[], D>): Add constexpr to all member
3857 functions.
3858 * include/std/version (__cpp_lib_constexpr_memory): Define new
3859 value for C++23.
3860 * testsuite/20_util/unique_ptr/assign/constexpr.cc: New test.
3861 * testsuite/20_util/unique_ptr/comparison/constexpr.cc: New test.
3862 * testsuite/20_util/unique_ptr/cons/constexpr_c++20.cc: New test.
3863 * testsuite/20_util/unique_ptr/creation/constexpr.cc: New test.
3864 * testsuite/20_util/unique_ptr/modifiers/constexpr.cc: New test.
3865 * testsuite/20_util/unique_ptr/specialized_algorithms/constexpr.cc:
3866 New test.
3868 2022-04-25 Jonathan Wakely <jwakely@redhat.com>
3870 PR libstdc++/105375
3871 * include/std/future (packaged_task): Add deduction guides.
3872 * testsuite/30_threads/packaged_task/cons/deduction.cc: New test.
3874 2022-04-25 Philipp Fent <fent@in.tum.de>
3876 * python/libstdcxx/v6/printers.py (StdSpanPrinter._iterator):
3877 Rename as iterator.
3878 (StdInitializerListPrinter): Define new printer.
3879 (build_libstdcxx_dictionary): Register new printer.
3880 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check printer for
3881 initializer_list.
3883 2022-04-22 Thomas W Rodgers <trodgers@redhat.com>
3885 PR libstdc++/102994
3886 * include/bits/atomic_base.h (atomic_flag::notify_one,
3887 notify_all): Remove const qualification.
3888 (__atomic_base::notify_one, notify_all): Likewise.
3889 * include/std/atomic (atomic<bool>::notify_one, notify_all):
3890 Likewise.
3891 (atomic::notify_one, notify_all): Likewise.
3892 (atomic<T*>::notify_one, notify_all): Likewise.
3893 (atomic_notify_one, atomic_notify_all): Likewise.
3894 * testsuite/29_atomics/atomic/wait_notify/102994.cc: Adjust test
3895 to account for change in notify_one/notify_all signature.
3897 2022-04-21 Patrick Palka <ppalka@redhat.com>
3899 * include/std/charconv (__from_chars_alnum_to_val_table):
3900 Simplify initialization of __lower/__upper_letters.
3901 (__from_chars_alnum_to_val): Default the template parameter to
3902 false.
3903 * src/c++17/floating_from_chars.cc (starts_with_ci): Don't
3904 assume the uppercase and lowercase letters are contiguous.
3905 (__floating_from_chars_hex): Likewise.
3907 2022-04-21 Patrick Palka <ppalka@redhat.com>
3909 PR c++/105297
3910 PR c++/105322
3911 * include/std/charconv (__from_chars_alnum_to_val): Make
3912 initializer for __table dependent in an artificial way.
3914 2022-04-21 Jonathan Wakely <jwakely@redhat.com>
3916 PR libstdc++/105324
3917 * src/c++17/floating_from_chars.cc (buffer_resource::do_allocate):
3918 Remove assertion.
3919 * testsuite/20_util/from_chars/pr105324.cc: New test.
3921 2022-04-20 Jonathan Wakely <jwakely@redhat.com>
3923 * testsuite/21_strings/basic_string_view/operations/copy/char/constexpr.cc:
3924 Check correct feature test macro.
3926 2022-04-20 Jonathan Wakely <jwakely@redhat.com>
3928 PR libstdc++/93602
3929 * doc/xml/manual/prerequisites.xml: Document libiconv
3930 workarounds.
3931 * doc/html/manual/setup.html: Regenerate.
3932 * src/Makefile.am (CXXLINK): Add $(LTLIBICONV).
3933 * src/Makefile.in: Regenerate.
3935 2022-04-19 Patrick Palka <ppalka@redhat.com>
3937 * src/c++17/floating_to_chars.cc (_GLIBCXX_ASSERTIONS): Don't
3938 define.
3939 (__floating_to_chars_shortest): Add __builtin_unreachable calls to
3940 squelch false-positive -Wmaybe-uninitialized and -Wreturn-type
3941 warnings.
3942 (__floating_to_chars_precision): Likewise.
3944 2022-04-19 Philipp Fent <fent@in.tum.de>
3946 * python/libstdcxx/v6/printers.py (StdSpanPrinter): Define.
3947 * testsuite/libstdc++-prettyprinters/cxx20.cc: Test it.
3949 2022-04-19 Jonathan Wakely <jwakely@redhat.com>
3951 * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Fix shell operators.
3952 * configure: Regenerate.
3954 2022-04-18 Patrick Palka <ppalka@redhat.com>
3956 * include/std/charconv (__from_chars_pow2_base): Manually
3957 unroll the first iteration of the main loop and simplify
3958 accordingly.
3960 2022-04-15 Patrick Palka <ppalka@redhat.com>
3962 PR libstdc++/104858
3963 * include/bits/ranges_algo.h (__minmax_fn): Avoid dereferencing
3964 __first twice at the start.
3965 * testsuite/25_algorithms/minmax/constrained.cc (test06): New test.
3967 2022-04-15 Patrick Palka <ppalka@redhat.com>
3969 * include/std/charconv (__from_chars_alnum_to_val_table): Define.
3970 (__from_chars_alnum_to_val): Define.
3971 (__from_chars_binary): Rename to ...
3972 (__from_chars_pow2_base): ... this. Generalize to handle any
3973 power-of-two base using __from_chars_alnum_to_val.
3974 (__from_chars_digit): Optimize digit recognition to a single
3975 test instead of two tests. Use [[__unlikely___]] attribute.
3976 (__from_chars_alpha_to_num): Remove.
3977 (__from_chars_alnum): Use __from_chars_alnum_to_val. Use a
3978 nested loop for the overflow case. Maintain a lower bound
3979 on the number of available bits in the result and use it to
3980 omit the overflow check.
3981 (from_chars): Adjust appropriately.
3982 * src/c++17/floating_from_chars.cc (ascii_to_hexit): Remove.
3983 (__floating_from_chars_hex): Use __from_chars_alnum_to_val
3984 to recognize a hex digit instead.
3986 2022-04-14 Palmer Dabbelt <palmer@rivosinc.com>
3988 * acinclude.m4 (GLIBCXX_ENABLE_LOCK_POLICY): Force auto to mutex
3989 for RISC-V.
3990 * configure: Regenerate.
3992 2022-04-14 Jonathan Wakely <jwakely@redhat.com>
3994 * doc/xml/manual/intro.xml: Fix comment.
3996 2022-04-14 Jonathan Wakely <jwakely@redhat.com>
3998 * include/precompiled/stdc++.h: Include <stacktrace> and
3999 <stdatomic.h> for C++23.
4001 2022-04-14 Jonathan Wakely <jwakely@redhat.com>
4003 PR libstdc++/105269
4004 * include/bits/stl_vector.h (__cpp_lib_constexpr_vector):
4005 Define.
4006 * include/c_compatibility/stdatomic.h (__cpp_lib_stdatomic_h):
4007 Define.
4008 * include/std/optional (__cpp_lib_optional): Define new value
4009 for C++23.
4010 (__cpp_lib_monadic_optional): Remove.
4011 * include/std/version (__cpp_lib_constexpr_vector): Define.
4012 (__cpp_lib_stdatomic_h): Define.
4013 (__cpp_lib_optional): Define new value for C++23.
4014 (__cpp_lib_monadic_optional): Remove.
4015 * testsuite/20_util/optional/monadic/and_then.cc: Adjust.
4016 * testsuite/20_util/optional/requirements.cc: Adjust for C++23.
4017 * testsuite/20_util/optional/version.cc: Likewise.
4018 * testsuite/23_containers/vector/cons/constexpr.cc: Check
4019 feature test macro.
4020 * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc:
4021 Likewise.
4022 * testsuite/20_util/optional/monadic/version.cc: Removed.
4023 * testsuite/23_containers/vector/requirements/version.cc: New test.
4024 * testsuite/29_atomics/headers/stdatomic.h/version.cc: New test.
4026 2022-04-12 Jonathan Wakely <jwakely@redhat.com>
4028 * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Check for mmap.
4029 * config.h.in: Regenerate.
4030 * configure: Regenerate.
4032 2022-04-12 Jonathan Wakely <jwakely@redhat.com>
4034 * include/std/stacktrace (basic_stacktrace::current): Reallocate
4035 a smaller container if the unused capacity is larger than the
4036 used size.
4038 2022-04-12 Jonathan Wakely <jwakely@redhat.com>
4040 * include/std/stacktrace (basic_stacktrace): Use _Impl::_M_clone
4041 or _Impl::_M_assign to initialize elements in allocated storage.
4042 (basic_stacktrace::_M_clear()): Use _Impl::_M_resize instead of
4043 _Impl::_M_destroy.
4044 (basic_stacktrace::_Impl::_M_destroy()): Replace with ...
4045 (basic_stacktrace::_Impl::_M_resize(size_type, allocator&)): New
4046 function.
4047 (basic_stacktrace::_Impl::_M_push_back): Use _M_xclone. Construct
4048 new element using allocator.
4049 (basic_stacktrace::_Impl::_M_clone): New function.
4050 (basic_stacktrace::_Impl::_M_xclone): New function.
4051 (basic_stacktrace::_Impl::_M_assign): New function.
4053 2022-04-12 Jonathan Wakely <jwakely@redhat.com>
4055 * include/std/stacktrace (basic_stacktrace::_Impl::_M_allocate):
4056 Use nothrow new instead of try block for std::allocator.
4057 (basic_stacktrace::_Impl::_M_deallocate): Use delete for
4058 std::allocator.
4060 2022-04-12 Jonathan Wakely <jwakely@redhat.com>
4062 * include/std/stacktrace (basic_stacktrace::current): Replace
4063 calls to _M_reserve and _S_curr_cb with call to _M_prepare.
4064 Check return value of backtrace_simple when max depth given.
4065 (basic_stacktrace::_M_reserve): Remove.
4066 (basic_stacktrace::_S_curr_cb): Remove.
4067 (basic_stacktrace::_M_prepare(size_type)): New function to
4068 reserve initial capacity and return callback.
4069 (basic_stacktrace::_Impl::_M_allocate): Remove check for 0 < n
4070 and remove redundant zeroing of _M_frames and _M_capacity.
4071 (basic_stacktrace::_Impl::_M_push_back): Add [[unlikely]]
4072 attribute. Assign _Impl instead of swapping.
4073 * testsuite/19_diagnostics/stacktrace/current.cc: New test.
4075 2022-04-11 Jonathan Wakely <jwakely@redhat.com>
4077 * include/std/stacktrace (basic_stacktrace::_Impl::_M_allocate):
4078 Change [[unlikely]] attribute to [[likely]].
4080 2022-04-11 Jonathan Wakely <jwakely@redhat.com>
4082 PR libstdc++/105031
4083 * include/std/stacktrace (basic_stacktrace::basic_stacktrace):
4084 Fix allocator usage in constructors.
4085 (basic_stacktrace::operator=(const basic_stacktrace&)): Do not
4086 try to reallocate using const allocator.
4087 (basic_stacktrace::operator=(basic_stacktrace&&)): Fix
4088 if-constexpr with non-constant condition. Do not allocate new
4089 storage if allocator propagates. Do not set _M_size if
4090 allocation fails.
4091 (basic_stacktrace::swap(basic_stacktrace&)): Fix typo. Add
4092 assertion that non-propagating allocators are equal.
4093 * testsuite/19_diagnostics/stacktrace/stacktrace.cc: New test.
4095 2022-04-11 Jonathan Wakely <jwakely@redhat.com>
4097 * include/std/stacktrace (basic_stacktrace::current): Duplicate
4098 implementation into each overload. Add noinline attribute and
4099 skip current frame.
4100 (basic_stacktrace::max_size()): Call _Impl::_S_max_size.
4101 (basic_stacktrace::_S_curr_cb()): New function defining lambda.
4102 (basic_stacktrace::_Impl::_S_max_size): New function defining
4103 maximum size in terms of allocator and size_type.
4104 (basic_stacktrace::_Impl::_M_allocate): Check against
4105 max_size().
4106 * testsuite/19_diagnostics/stacktrace/entry.cc: Call function
4107 for non-constexpr checks. Check line number is correct.
4109 2022-04-11 Jonathan Wakely <jwakely@redhat.com>
4111 * testsuite/20_util/stacktrace/entry.cc: Moved to...
4112 * testsuite/19_diagnostics/stacktrace/entry.cc: ...here.
4113 * testsuite/20_util/stacktrace/synopsis.cc: Moved to...
4114 * testsuite/19_diagnostics/stacktrace/synopsis.cc: ...here.
4115 * testsuite/20_util/stacktrace/version.cc: Moved to...
4116 * testsuite/19_diagnostics/stacktrace/version.cc: ...here.
4118 2022-04-11 Jonathan Wakely <jwakely@redhat.com>
4120 * include/experimental/bits/fs_path.h (path): Define special
4121 members after path::_Cmpt is complete.
4123 2022-04-08 Jonathan Wakely <jwakely@redhat.com>
4125 PR libstdc++/105153
4126 * include/std/expected
4127 (expected<void,E>::expected(expected<U,G>&&)): Fix constraints.
4128 * testsuite/20_util/expected/cons.cc: Check constructor.
4130 2022-04-08 Jonathan Wakely <jwakely@redhat.com>
4132 PR libstdc++/105154
4133 * include/std/expected (expected<void, E>::swap): Set
4134 _M_has_value to false for objects that previously had a value.
4135 * testsuite/20_util/expected/swap.cc: Fix test to check void
4136 specialization.
4138 2022-04-08 Jonathan Wakely <jwakely@redhat.com>
4140 PR libstdc++/105146
4141 * include/std/expected (bad_expected_access): Move constructor
4142 parameter.
4143 * testsuite/20_util/expected/bad.cc: New test.
4145 2022-04-07 Hans-Peter Nilsson <hp@axis.com>
4147 * testsuite/20_util/expected/requirements.cc: Correct minimal-size
4148 test.
4150 2022-04-02 Jakub Jelinek <jakub@redhat.com>
4152 PR libstdc++/105128
4153 * include/std/source_location (std::source_location::__impl): Move
4154 definition before using __builtin_ret_type.
4156 2022-04-01 Jonathan Wakely <jwakely@redhat.com>
4158 * include/std/utility (unreachable): Define for C++23.
4159 * include/std/version (__cpp_lib_unreachable): Define.
4160 * src/c++11/debug.cc (__glibcxx_assert_fail): Check for valid
4161 arguments. Handle only the function being given.
4162 * testsuite/20_util/unreachable/1.cc: New test.
4163 * testsuite/20_util/unreachable/version.cc: New test.
4165 2022-04-01 Jonathan Wakely <jwakely@redhat.com>
4167 * include/experimental/bits/fs_fwd.h (copy_file): Remove
4168 incorrect noexcept from declaration.
4169 * include/experimental/bits/fs_path.h (path::begin, path::end):
4170 Add noexcept to declarations, to match definitions.
4172 2022-04-01 Timm Bäder <tbaeder@redhat.com>
4174 * include/bits/fs_ops.h: Fix filename in Doxygen comment.
4175 * include/experimental/bits/fs_ops.h: Likewise.
4177 2022-03-31 Jonathan Wakely <jwakely@redhat.com>
4179 * libsupc++/new_opa.cc (aligned_alloc): Add comment.
4181 2022-03-29 Jonathan Wakely <jwakely@redhat.com>
4183 * testsuite/18_support/exception/38732.cc: Disable for C++23.
4184 * testsuite/18_support/headers/exception/synopsis.cc: Likewise.
4185 * testsuite/18_support/unexpected_handler.cc: Likewise.
4187 2022-03-29 Jonathan Wakely <jwakely@redhat.com>
4189 * libsupc++/compare (_Strong_order) [!__cpp_using_enum]: Add
4190 static data members for _Fp_fmt enumerators.
4192 2022-03-29 Jonathan Wakely <jwakely@redhat.com>
4194 * include/std/version (__cpp_lib_variant): Fix conditions to
4195 match <variant>.
4196 (__cpp_lib_expected): Fix condition to match <expected>.
4198 2022-03-28 Jonathan Wakely <jwakely@redhat.com>
4200 * testsuite/20_util/optional/monadic/and_then.cc: Fix typo.
4201 * testsuite/20_util/optional/monadic/transform.cc: Likewise.
4202 * testsuite/22_locale/codecvt/always_noconv/char/1.cc: Likewise.
4203 * testsuite/22_locale/codecvt/encoding/char/1.cc: Likewise.
4204 * testsuite/22_locale/codecvt/in/char/1.cc: Likewise.
4205 * testsuite/22_locale/codecvt/max_length/char/1.cc: Likewise.
4206 * testsuite/22_locale/codecvt/out/char/1.cc: Likewise.
4207 * testsuite/22_locale/codecvt/unshift/char/1.cc: Likewise.
4209 2022-03-27 Jonathan Wakely <jwakely@redhat.com>
4211 * doc/doxygen/user.cfg.in: Add new header.
4212 * include/Makefile.am: Likewise.
4213 * include/Makefile.in: Regenerate.
4214 * include/precompiled/stdc++.h: Add new header.
4215 * include/std/version (__cpp_lib_expected): Define.
4216 * libsupc++/exception [__cplusplus > 202002] (unexpected)
4217 (unexpected_handler, set_unexpected): Do not declare for C++23.
4218 * include/std/expected: New file.
4219 * testsuite/20_util/expected/assign.cc: New test.
4220 * testsuite/20_util/expected/cons.cc: New test.
4221 * testsuite/20_util/expected/illformed_neg.cc: New test.
4222 * testsuite/20_util/expected/observers.cc: New test.
4223 * testsuite/20_util/expected/requirements.cc: New test.
4224 * testsuite/20_util/expected/swap.cc: New test.
4225 * testsuite/20_util/expected/synopsis.cc: New test.
4226 * testsuite/20_util/expected/unexpected.cc: New test.
4227 * testsuite/20_util/expected/version.cc: New test.
4229 2022-03-25 Jonathan Wakely <jwakely@redhat.com>
4231 * include/std/bit (bit_cast, byteswap, endian): Add doxygen
4232 comments.
4234 2022-03-23 Jonathan Wakely <jwakely@redhat.com>
4236 PR libstdc++/105027
4237 * include/std/bit (bit_cast): Add constraints.
4238 * testsuite/26_numerics/bit/bit.cast/105027.cc: New test.
4240 2022-03-23 Jonathan Wakely <jwakely@redhat.com>
4242 * include/std/version [!_GLIBCXX_HOSTED]
4243 (__cpp_lib_hardware_interference_size): Define for freestanding.
4244 (__cpp_lib_bit_cast): Likewise.
4245 (__cpp_lib_is_layout_compatible): Likewise.
4246 (__cpp_lib_is_pointer_interconvertible): Likewise.
4247 (__cpp_lib_adaptor_iterator_pair_constructor): Do not define for
4248 freestanding.
4249 (__cpp_lib_invoke_r): Likewise.
4250 (__cpp_lib_ios_noreplace): Likewise.
4251 (__cpp_lib_monadic_optional): Likewise.
4252 (__cpp_lib_move_only_function): Likewise.
4253 (__cpp_lib_spanstream): Likewise.
4254 (__cpp_lib_stacktrace): Likewise.
4255 (__cpp_lib_string_contains): Likewise.
4256 (__cpp_lib_string_resize_and_overwrite): Likewise.
4257 (__cpp_lib_to_underlying): Likewise.
4259 2022-03-23 Jonathan Wakely <jwakely@redhat.com>
4261 PR libstdc++/105021
4262 * include/bits/atomic_base.h [!_GLIBCXX_HOSTED]: Do not include
4263 <bits/atomic_wait.h> for freestanding.
4265 2022-03-22 Hans-Peter Nilsson <hp@axis.com>
4267 * testsuite/20_util/from_chars/6.cc (test01) [FE_DOWNWARD]:
4268 Conditionalize call to fesetround.
4270 2022-03-21 Jakub Jelinek <jakub@redhat.com>
4272 PR libstdc++/104990
4273 * include/bits/locale_facets_nonio.tcc (get): Don't check if do_get
4274 isn't overloaded if __clang__ is defined.
4276 2022-03-18 Jonathan Wakely <jwakely@redhat.com>
4278 PR libstdc++/104242
4279 * include/std/any (any(T&&)): Revert change to constraints.
4280 * testsuite/20_util/any/cons/104242.cc: New test.
4282 2022-03-18 Jonathan Wakely <jwakely@redhat.com>
4284 PR libstdc++/92546
4285 * include/pstl/glue_algorithm_defs.h: Replace <functional> with
4286 <bits/stl_pair.h>.
4287 * include/pstl/utils.h: Replace <iterator> with <type_traits>.
4288 (__pstl::__internal::__except_handler): Use std::__terminate
4289 instead of std::terminate.
4290 * src/c++17/fs_path.cc: Include <array>.
4291 * testsuite/25_algorithms/adjacent_find/constexpr.cc: Include
4292 <functional>.
4293 * testsuite/25_algorithms/binary_search/constexpr.cc: Likewise.
4294 * testsuite/25_algorithms/clamp/constrained.cc: Likewise.
4295 * testsuite/25_algorithms/equal/constrained.cc: Likewise.
4296 * testsuite/25_algorithms/for_each/constrained.cc: Likewise.
4297 * testsuite/25_algorithms/includes/constrained.cc: Likewise.
4298 * testsuite/25_algorithms/is_heap/constexpr.cc: Likewise.
4299 * testsuite/25_algorithms/is_heap_until/constexpr.cc: Likewise.
4300 * testsuite/25_algorithms/is_permutation/constrained.cc: Include
4301 <iterator>.
4302 * testsuite/25_algorithms/is_sorted/constexpr.cc: Include
4303 <functional>.
4304 * testsuite/25_algorithms/is_sorted_until/constexpr.cc:
4305 Likewise.
4306 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc:
4307 Likewise.
4308 * testsuite/25_algorithms/lexicographical_compare/constrained.cc:
4309 Likewise.
4310 * testsuite/25_algorithms/lexicographical_compare_three_way/1.cc:
4311 Include <array>.
4312 * testsuite/25_algorithms/lower_bound/constexpr.cc: Include
4313 <functional>.
4314 * testsuite/25_algorithms/max/constrained.cc: Likewise.
4315 * testsuite/25_algorithms/max_element/constrained.cc: Likewise.
4316 * testsuite/25_algorithms/min/constrained.cc: Likewise.
4317 * testsuite/25_algorithms/min_element/constrained.cc: Likewise.
4318 * testsuite/25_algorithms/minmax_element/constrained.cc:
4319 Likewise.
4320 * testsuite/25_algorithms/mismatch/constexpr.cc: Likewise.
4321 * testsuite/25_algorithms/move/93872.cc: Likewise.
4322 * testsuite/25_algorithms/move_backward/93872.cc: Include
4323 <iterator>.
4324 * testsuite/25_algorithms/nth_element/constexpr.cc: Include
4325 <functional>.
4326 * testsuite/25_algorithms/partial_sort/constexpr.cc: Likewise.
4327 * testsuite/25_algorithms/partial_sort_copy/constexpr.cc:
4328 Likewise.
4329 * testsuite/25_algorithms/search/constexpr.cc: Likewise.
4330 * testsuite/25_algorithms/search_n/constrained.cc: Likewise.
4331 * testsuite/25_algorithms/set_difference/constexpr.cc: Likewise.
4332 * testsuite/25_algorithms/set_difference/constrained.cc:
4333 Likewise.
4334 * testsuite/25_algorithms/set_intersection/constexpr.cc:
4335 Likewise.
4336 * testsuite/25_algorithms/set_intersection/constrained.cc:
4337 Likewise.
4338 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc:
4339 Likewise.
4340 * testsuite/25_algorithms/set_union/constexpr.cc: Likewise.
4341 * testsuite/25_algorithms/set_union/constrained.cc: Likewise.
4342 * testsuite/25_algorithms/sort/constexpr.cc: Likewise.
4343 * testsuite/25_algorithms/sort_heap/constexpr.cc: Likewise.
4344 * testsuite/25_algorithms/transform/constrained.cc: Likewise.
4345 * testsuite/25_algorithms/unique/constexpr.cc: Likewise.
4346 * testsuite/25_algorithms/unique/constrained.cc: Likewise.
4347 * testsuite/25_algorithms/unique_copy/constexpr.cc: Likewise.
4348 * testsuite/25_algorithms/upper_bound/constexpr.cc: Likewise.
4349 * testsuite/std/ranges/adaptors/elements.cc: Include <vector>.
4350 * testsuite/std/ranges/adaptors/lazy_split.cc: Likewise.
4351 * testsuite/std/ranges/adaptors/split.cc: Likewise.
4353 2022-03-17 Jonathan Wakely <jwakely@redhat.com>
4355 PR libstdc++/92546
4356 * include/bits/fs_path.h (path::make_preferred): Use
4357 handwritten loop instead of std::replace.
4359 2022-03-17 Jonathan Wakely <jwakely@redhat.com>
4361 PR middle-end/104966
4362 * include/bits/locale_facets_nonio.tcc
4363 (__moneypunct_cache::_M_cache): Replace try-catch with RAII and
4364 make all string copies before any stores to *this.
4366 2022-03-17 Jonathan Wakely <jwakely@redhat.com>
4368 * testsuite/util/testsuite_character.h: Fix comment.
4370 2022-03-16 Jonathan Wakely <jwakely@redhat.com>
4372 PR libstdc++/103407
4373 * config/abi/pre/gnu.ver: Make version for std::from_chars
4374 depend on HAVE_USELOCALE macro.
4375 * testsuite/util/testsuite_abi.cc (compare_symbols): Treat
4376 std::from_chars for floating-point types as undesignated if
4377 not found in the baseline symbols file.
4379 2022-03-16 Jonathan Wakely <jwakely@redhat.com>
4381 * include/std/charconv (__cpp_lib_to_chars): Only define when
4382 both from_chars and to_chars are supported for floating-point
4383 types.
4384 (from_chars, to_chars): Adjust preprocessor conditions guarding
4385 declarations.
4386 * include/std/version (__cpp_lib_to_chars): Adjust condition to
4387 match <charconv> definition.
4388 * src/c++17/floating_from_chars.cc (from_chars_strtod): New
4389 function template.
4390 (from_chars): Simplify preprocessor checks and use
4391 from_chars_strtod when appropriate.
4393 2022-03-14 Jonathan Wakely <jwakely@redhat.com>
4395 PR libstdc++/104875
4396 * src/c++11/codecvt.cc (read_utf8_code_point): Use char32_t to
4397 hold octets that will be left-shifted.
4399 2022-03-10 Jonathan Wakely <jwakely@redhat.com>
4401 PR libstdc++/104870
4402 * src/c++17/floating_from_chars.cc: Check __SIZE_WIDTH__ >= 32
4403 before using fast_float.
4405 2022-03-10 Detlef Vollmann <dv@vollmann.ch>
4407 PR libstdc++/104866
4408 * include/bits/this_thread_sleep.h: Fix order of #endif and
4409 closing brace of namespace.
4411 2022-03-10 Jonathan Wakely <jwakely@redhat.com>
4413 * libsupc++/compare (_Strong_order::_S_fp_cmp) [__vax__]:
4414 Handle NaN.
4416 2022-03-10 Jonathan Wakely <jwakely@redhat.com>
4418 * libsupc++/compare (_Strong_ordering::_S_fp_cmp) [__vax__]: Use
4419 <=> comparison.
4421 2022-03-09 Patrick Palka <ppalka@redhat.com>
4423 PR libstdc++/104859
4424 * src/c++17/floating_to_chars.cc (__floating_to_chars_hex):
4425 Be explicit when narrowing the shifted effective_mantissa,
4426 since it may have an integer-class type.
4428 2022-03-08 Jonathan Wakely <jwakely@redhat.com>
4430 * include/bits/uses_allocator_args.h: Remove incorrect copyright
4431 notice.
4433 2022-03-07 Jonathan Wakely <jwakely@redhat.com>
4435 PR libstdc++/104807
4436 * include/bits/c++config (__terminate, __glibcxx_assert_fail):
4437 Replace _GLIBCXX_VISIBILITY on function with visibility pragma.
4438 (__is_constant_evaluated): Add visibility pragma.
4440 2022-03-07 Rasmus Villemoes <rasmus.villemoes@prevas.dk>
4442 * config/locale/vxworks/ctype_members.cc: Remove <iostream>
4443 include.
4445 2022-03-05 Jonathan Wakely <jwakely@redhat.com>
4447 * include/bits/c++config (__glibcxx_assert_fail): Add visibility
4448 attribute.
4449 (__terminate): Likewise.
4451 2022-03-04 Jonathan Wakely <jwakely@redhat.com>
4453 * libsupc++/compare (strong_order::_S_fp_cmp): Move typedef
4454 inside #if condition.
4456 2022-03-03 Jonathan Wakely <jwakely@redhat.com>
4458 PR libstdc++/104748
4459 * testsuite/std/ranges/adaptors/all.cc: Use non-debug vector for
4460 constexpr test.
4462 2022-03-03 Jonathan Wakely <jwakely@redhat.com>
4464 * testsuite/17_intro/names.cc (func): Undef on AIX.
4466 2022-03-03 Jonathan Wakely <jwakely@redhat.com>
4468 PR libstdc++/96526
4469 * libsupc++/compare (strong_order): Add missing support for
4470 floating-point types.
4471 * testsuite/18_support/comparisons/algorithms/strong_order_floats.cc:
4472 New test.
4474 2022-03-01 Jonathan Wakely <jwakely@redhat.com>
4476 PR middle-end/103984
4477 * include/bits/regex_compiler.h (_BracketMatcher::_M_char): Use
4478 default member initializer.
4480 2022-02-24 Jonathan Wakely <jwakely@redhat.com>
4482 PR libstdc++/104602
4483 * include/std/source_location (source_location::current): Use
4484 deduced type of __builtin_source_location().
4486 2022-02-22 Patrick Palka <ppalka@redhat.com>
4488 * include/bits/ranges_base.h (__detail::__is_initializer_list):
4489 Define.
4490 (viewable_range): Adjust as per P2415R2.
4491 * include/bits/ranges_cmp.h (__cpp_lib_ranges): Adjust value.
4492 * include/std/ranges (owning_view): Define as per P2415R2.
4493 (enable_borrowed_range<owning_view>): Likewise.
4494 (views::__detail::__can_subrange): Replace with ...
4495 (views::__detail::__can_owning_view): ... this.
4496 (views::_All::_S_noexcept): Sync with operator().
4497 (views::_All::operator()): Use owning_view instead of subrange
4498 as per P2415R2.
4499 * include/std/version (__cpp_lib_ranges): Adjust value.
4500 * testsuite/std/ranges/adaptors/all.cc (test06): Adjust now that
4501 views::all uses owning_view instead of subrange.
4502 (test08): New test.
4503 * testsuite/std/ranges/adaptors/lazy_split.cc (test09): Adjust
4504 now that rvalue non-view non-borrowed ranges are viewable.
4505 * testsuite/std/ranges/adaptors/split.cc (test06): Likewise.
4507 2022-02-17 Jonathan Wakely <jwakely@redhat.com>
4509 PR libstdc++/104559
4510 * doc/xml/manual/evolution.xml: Document deprecation.
4511 * doc/html/manual/api.html: Regenerate.
4512 * include/bits/stl_bvector.h (insert(const_iterator, const bool&)):
4513 Remove default argument.
4514 (insert(const_iterator)): New overload with deprecated attribute.
4515 * testsuite/23_containers/vector/bool/modifiers/insert/104559.cc:
4516 New test.
4518 2022-02-17 Jonathan Wakely <jwakely@redhat.com>
4520 * python/libstdcxx/v6/printers.py (StdErrorCodePrinter): Replace
4521 code that call cat->name() on std::error_category objects.
4522 Identify known categories by symbol name and use a hardcoded
4523 name. Print error code values as enumerators where appopriate.
4524 * testsuite/libstdc++-prettyprinters/cxx11.cc: Adjust expected
4525 name of custom category. Check io_errc and future_errc errors.
4527 2022-02-15 Jonathan Wakely <jwakely@redhat.com>
4529 PR libstdc++/104542
4530 * include/bits/uses_allocator_args.h (make_obj_using_allocator)
4531 (uninitialized_construct_using_allocator): Add constexpr.
4532 * testsuite/20_util/uses_allocator/make_obj.cc: Check constexpr.
4533 * testsuite/20_util/uses_allocator/uninitialized_construct.cc: New test.
4535 2022-02-14 Jonathan Wakely <jwakely@redhat.com>
4537 PR libstdc++/100912
4538 * config/locale/gnu/c_locale.h (__convert_from_v): Use inline
4539 namespace for IEEE128 long double mode.
4540 * config/os/gnu-linux/ldbl-ieee128-extra.ver: Add new symbol
4541 version and export __gnu_cxx_ieee128::__convert_from_v.
4542 * include/bits/locale_facets_nonio.tcc (money_put::__do_put):
4543 Make __ibm128 overload use snprintf directly
4544 * testsuite/util/testsuite_abi.cc: Add new symbol version.
4545 Remove stable IEEE128/LDBL versions.
4547 2022-02-14 Jonathan Wakely <jwakely@redhat.com>
4549 PR libstdc++/103891
4550 * include/bits/c++config (_GLIBCXX_HAVE_COND_TRIVIAL_SPECIAL_MEMBERS):
4551 Remove.
4552 * include/std/variant: Check feature test macros instead.
4553 * include/std/version: Likewise.
4555 2022-02-14 Jonathan Wakely <jwakely@redhat.com>
4557 * testsuite/20_util/unsynchronized_pool_resource/allocate.cc:
4558 Fix typo.
4560 2022-02-14 Jonathan Wakely <jwakely@redhat.com>
4562 * src/c++17/floating_to_chars.cc (FLOAT128_TO_CHARS): Depend on
4563 LONG_DOUBLE_ALT128_COMPAT instead of USE_FLOAT128.
4565 2022-02-11 Jonathan Wakely <jwakely@redhat.com>
4567 * testsuite/20_util/temporary_buffer.cc: Fix dg-warning target
4568 selector.
4570 2022-02-11 Jonathan Wakely <jwakely@redhat.com>
4572 * testsuite/20_util/monotonic_buffer_resource/allocate.cc:
4573 Ignore -Walloc-larger-than warning.
4574 * testsuite/20_util/unsynchronized_pool_resource/allocate.cc:
4575 Likewise.
4576 * testsuite/29_atomics/atomic/cons/user_pod.cc: Compile with -O1
4577 to avoid linker error for __atomic_is_lock_free.
4579 2022-02-10 Thomas Rodgers <rodgert@appliantology.com>
4581 * include/bits/atomic_wait.h (__waiter_base::_S_do_spin,
4582 __waiter_base::_S_do_spin_v): Change memory order from relaxed
4583 to acquire.
4585 2022-02-10 Jonathan Wakely <jwakely@redhat.com>
4587 * include/c_compatibility/stdatomic.h (atomic_fetch_xor): Add
4588 using-declaration.
4589 (atomic_fetch_xor_explicit): Likewise.
4590 * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc: Check
4591 arithmetic and logical operations for atomic_int.
4593 2022-02-10 Jonathan Wakely <jwakely@redhat.com>
4595 * src/filesystem/dir-common.h (_GLIBCXX_HAVE_DIRFD): Undefine
4596 when <dirent.h> is not available.
4597 (_GLIBCXX_HAVE_UNLINKAT): Likewise.
4599 2022-02-09 Thomas Rodgers <rodgert@appliantology.com>
4601 PR libstdc++/104442
4602 * include/bits/atomic_wait.h (__waiter::_M_do_wait_v): Move spin
4603 loop inside do loop so that threads failing the wait, reload
4604 _M_ver.
4606 2022-02-08 Jonathan Wakely <jwakely@redhat.com>
4608 * src/c++17/fs_dir.cc (_Dir(DIR*, const path&)): Change first
4609 parameter to _Dir_base&&.
4610 * src/filesystem/dir-common.h (_Dir_base(DIR*)): Remove.
4611 * src/filesystem/dir.cc (_Dir(DIR*, const path&)): Change first
4612 parameter to _Dir_base&&.
4614 2022-02-08 Jonathan Wakely <jwakely@redhat.com>
4616 * acinclude.m4 (GLIBCXX_ENABLE_LOCK_POLICY): Add comment about
4617 checking for CAS on correct word size.
4619 2022-02-08 Jonathan Wakely <jwakely@redhat.com>
4621 * testsuite/experimental/filesystem/operations/create_directories.cc:
4622 Adjust expected results for Windows.
4624 2022-02-08 Jonathan Wakely <jwakely@redhat.com>
4626 PR libstdc++/104161
4627 * src/c++17/fs_dir.cc (fs::recursive_directory_iterator::__erase):
4628 [i_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Refresh entry._M_type member,
4629 instead of checking for errno values indicating a directory.
4630 * src/c++17/fs_ops.cc (fs::remove_all(const path&)): Use similar
4631 logic to non-throwing overload.
4632 (fs::remove_all(const path&, error_code&)): Add comments.
4633 * src/filesystem/ops-common.h: Likewise.
4635 2022-02-04 Jonathan Wakely <jwakely@redhat.com>
4637 * src/filesystem/dir-common.h (_Dir_base::openat): Change return
4638 type to use portable posix::DIR alias.
4640 2022-02-04 Jonathan Wakely <jwakely@redhat.com>
4642 * include/c_compatibility/stdatomic.h [__clang__]: Use
4643 #include_next <stdatomic.h>.
4645 2022-02-04 Jonathan Wakely <jwakely@redhat.com>
4647 * include/experimental/bits/fs_ops.h (fs::copy_file): Remove
4648 noexcept.
4649 (fs::create_directories): Likewise.
4650 (fs::remove_all): Likewise.
4651 * src/filesystem/ops.cc (fs::copy_file): Remove noexcept.
4652 (fs::create_directories): Likewise.
4653 (fs::remove_all): Likewise.
4655 2022-02-04 Jonathan Wakely <jwakely@redhat.com>
4657 PR libstdc++/104161
4658 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for dirfd
4659 and unlinkat.
4660 * config.h.in: Regenerate.
4661 * configure: Regenerate.
4662 * include/bits/fs_dir.h (recursive_directory_iterator): Declare
4663 remove_all overloads as friends.
4664 (recursive_directory_iterator::__erase): Declare new member
4665 function.
4666 * include/bits/fs_fwd.h (remove, remove_all): Declare.
4667 * src/c++17/fs_dir.cc (_Dir): Add filename_only parameter to
4668 constructor. Pass file descriptor argument to base constructor.
4669 (_Dir::dir_and_pathname, _Dir::open_subdir, _Dir::do_unlink)
4670 (_Dir::unlink, _Dir::rmdir): Define new member functions.
4671 (directory_iterator): Pass filename_only argument to _Dir
4672 constructor.
4673 (recursive_directory_iterator::_Dir_stack): Adjust constructor
4674 parameters to take a _Dir rvalue instead of creating one.
4675 (_Dir_stack::orig): Add data member for storing original path.
4676 (_Dir_stack::report_error): Define new member function.
4677 (__directory_iterator_nofollow): Move here from dir-common.h and
4678 fix value to be a power of two.
4679 (__directory_iterator_filename_only): Define new constant.
4680 (recursive_directory_iterator): Construct _Dir object and move
4681 into _M_dirs stack. Pass skip_permission_denied argument to first
4682 advance call.
4683 (recursive_directory_iterator::increment): Use _Dir::open_subdir.
4684 (recursive_directory_iterator::__erase): Define new member
4685 function.
4686 * src/c++17/fs_ops.cc (ErrorReporter, do_remove_all): Remove.
4687 (fs::remove_all): Use new recursive_directory_iterator::__erase
4688 member function.
4689 * src/filesystem/dir-common.h (_Dir_base): Add int parameter to
4690 constructor and use openat to implement nofollow semantics.
4691 (_Dir_base::fdcwd, _Dir_base::set_close_on_exec, _Dir_base::openat):
4692 Define new member functions.
4693 (__directory_iterator_nofollow): Move to fs_dir.cc.
4694 * src/filesystem/dir.cc (_Dir): Pass file descriptor argument to
4695 base constructor.
4696 (_Dir::dir_and_pathname, _Dir::open_subdir): Define new member
4697 functions.
4698 (recursive_directory_iterator::_Dir_stack): Adjust constructor
4699 parameters to take a _Dir rvalue instead of creating one.
4700 (recursive_directory_iterator): Check for new nofollow option.
4701 Construct _Dir object and move into _M_dirs stack. Pass
4702 skip_permission_denied argument to first advance call.
4703 (recursive_directory_iterator::increment): Use _Dir::open_subdir.
4704 * src/filesystem/ops.cc (fs::remove_all): Use C++17 remove_all.
4706 2022-02-04 Jonathan Wakely <jwakely@redhat.com>
4708 * include/bits/allocator.h: Qualify std::allocator_traits in
4709 deprecated warnings.
4710 * libsupc++/exception (uncaught_exception): Add suggestion to
4711 deprecated warning.
4713 2022-02-02 Jonathan Wakely <jwakely@redhat.com>
4715 * src/c++17/fs_dir.cc (fs::recursive_directory_iterator::pop):
4716 Add [[maybe_unused]] attribute.
4717 * src/filesystem/dir.cc (fs::recursive_directory_iterator::pop):
4718 Likewise.
4720 2022-02-02 Jonathan Wakely <jwakely@redhat.com>
4722 * testsuite/23_containers/multiset/operators/cmp_c++20.cc: Use
4723 custom comparison function for multiset.
4724 * testsuite/23_containers/set/operators/cmp_c++20.cc: Use custom
4725 comparison function for set.
4727 2022-02-02 Jonathan Wakely <jwakely@redhat.com>
4729 * include/bits/boost_concept_check.h (_OutputIteratorConcept):
4730 Change member function to data member of function pointer type.
4732 2022-02-02 Martin Sebor <msebor@redhat.com>
4734 PR libstdc++/101831
4735 * include/std/array (begin): Declare const member function attribute
4736 const.
4737 (end, rbegin, rend, size, max_size, empty, data): Same.
4738 * testsuite/23_containers/array/capacity/empty.cc: Add test cases.
4739 * testsuite/23_containers/array/capacity/max_size.cc: Same.
4740 * testsuite/23_containers/array/capacity/size.cc: Same.
4741 * testsuite/23_containers/array/iterators/begin_end.cc: New test.
4743 2022-02-02 Jonathan Wakely <jwakely@redhat.com>
4745 * testsuite/27_io/filesystem/iterators/error_reporting.cc: Use
4746 autoconf macro to check whether d_type is present.
4747 * testsuite/experimental/filesystem/iterators/error_reporting.cc:
4748 Likewise.
4750 2022-02-01 Jonathan Wakely <jwakely@redhat.com>
4752 * testsuite/27_io/filesystem/iterators/97731.cc: New test.
4753 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
4754 Check follow_directory_symlink option.
4755 * testsuite/experimental/filesystem/iterators/recursive_directory_iterator.cc:
4756 Likewise.
4758 2022-02-01 Jonathan Wakely <jwakely@redhat.com>
4760 * src/c++17/fs_dir.cc (recursive_directory_iterator::increment):
4761 Reset state to past-the-end iterator on error.
4762 (fs::recursive_directory_iterator::pop(error_code&)): Likewise.
4763 (fs::recursive_directory_iterator::pop()): Check _M_dirs before
4764 it might get reset.
4765 * src/filesystem/dir.cc (recursive_directory_iterator): Likewise,
4766 for the TS implementation.
4767 * testsuite/27_io/filesystem/iterators/error_reporting.cc: New test.
4768 * testsuite/experimental/filesystem/iterators/error_reporting.cc: New test.
4770 2022-02-01 Jonathan Wakely <jwakely@redhat.com>
4772 * include/bits/fs_fwd.h (filesystem::perms): Fix comment.
4774 2022-02-01 Jonathan Wakely <jwakely@redhat.com>
4776 PR libstdc++/104301
4777 * acinclude.m4 (GLIBCXX_ENABLE_CSTDIO): Print different messages
4778 for stdio_pure and stdio_posix options.
4779 * configure: Regenerate.
4781 2022-02-01 Thomas Rodgers <rodgert@appliantology.com>
4783 * include/bits/atomic_wait.h: Change memory order from
4784 Acquire/Release with relaxed loads to SeqCst+Release for
4785 accesses to the waiter's count.
4787 2022-01-31 Martin Liska <mliska@suse.cz>
4789 * acinclude.m4: Detect *_ld_is_mold and use it.
4790 * configure: Regenerate.
4792 2022-01-30 Hans-Peter Nilsson <hp@axis.com>
4794 * testsuite/27_io/basic_istream/get/char/lwg3464.cc: Don't run on
4795 simulator targets.
4796 * testsuite/27_io/basic_istream/get/wchar_t/lwg3464.cc: Likewise.
4798 2022-01-27 Jonathan Wakely <jwakely@redhat.com>
4800 PR libstdc++/100516
4801 * include/bits/deque.tcc (_M_range_initialize<ForwardIterator>):
4802 Add __builtin_unreachable to loop.
4803 * testsuite/23_containers/deque/100516.cc: New test.
4805 2022-01-27 Jonathan Wakely <jwakely@redhat.com>
4807 * include/bits/ranges_base.h (ranges::advance): Avoid signed
4808 overflow. Do nothing if already equal to desired result.
4809 * testsuite/24_iterators/range_operations/advance_overflow.cc:
4810 New test.
4812 2022-01-27 Martin Liska <mliska@suse.cz>
4814 PR libstdc++/104259
4815 * acinclude.m4: Fix typo.
4816 * configure: Regenerate.
4818 2022-01-25 Jonathan Wakely <jwakely@redhat.com>
4820 PR libstdc++/104019
4821 * include/bits/istream.tcc (basic_istream::sentry): Add braces
4822 around try-block.
4823 * include/bits/shared_ptr_base.h (_Sp_counted_array_base::_M_init):
4824 Add pragmas to disable bogus warnings from PR 61596.
4826 2022-01-25 Jonathan Wakely <jwakely@redhat.com>
4828 PR libstdc++/104217
4829 * src/c++17/fs_ops.cc (_GNU_SOURCE): Define.
4830 * src/filesystem/dir.cc (_GNU_SOURCE): Define.
4831 * src/filesystem/ops.cc (_GNU_SOURCE): Define.
4833 2022-01-25 Jonathan Wakely <jwakely@redhat.com>
4835 PR libstdc++/104161
4836 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for
4837 fdopendir.
4838 * config.h.in: Regenerate.
4839 * configure: Regenerate.
4840 * src/c++17/fs_dir.cc (_Dir): Add nofollow flag to constructor
4841 and pass it to base class constructor.
4842 (directory_iterator): Pass nofollow flag to _Dir constructor.
4843 (fs::recursive_directory_iterator::increment): Likewise.
4844 * src/c++17/fs_ops.cc (do_remove_all): Use nofollow option for
4845 directory_iterator constructor. Move error check outside loop.
4846 * src/filesystem/dir-common.h (_Dir_base): Add nofollow flag to
4847 constructor and when it's set use ::open with O_NOFOLLOW and
4848 O_DIRECTORY.
4849 * src/filesystem/dir.cc (_Dir): Add nofollow flag to constructor
4850 and pass it to base class constructor.
4851 (directory_iterator): Pass nofollow flag to _Dir constructor.
4852 (fs::recursive_directory_iterator::increment): Likewise.
4853 * src/filesystem/ops.cc (remove_all): Use nofollow option for
4854 directory_iterator constructor. Move error check outside loop.
4856 2022-01-23 Jonathan Wakely <jwakely@redhat.com>
4858 PR libstdc++/104032
4859 * include/std/spanstream (basic_spanbuf(basic_spanbuf&&)): Use
4860 mem-initializer for _M_buf.
4861 (basic_spanbuf::Operator=(basic_spanbuf&&)): Fix ill-formed
4862 member access.
4863 * testsuite/27_io/spanstream/2.cc: New test.
4865 2022-01-23 Jonathan Wakely <jwakely@redhat.com>
4867 * src/c++17/floating_from_chars.cc (USE_STRTOD_FOR_FROM_CHARS):
4868 Define macro for case where std::from_chars is implemented in
4869 terms of strtod, strtof or strtold.
4870 (buffer_resource, valid_fmt, find_end_of_float, pattern)
4871 (from_chars_impl, make_result, reserve_string): Do not define
4872 unless USE_STRTOD_FOR_FROM_CHARS is defined.
4873 (from_chars): Define when at least one of USE_LIB_FAST_FLOAT and
4874 USE_STRTOD_FOR_FROM_CHARS is defined, instead of
4875 _GLIBCXX_HAVE_USELOCALE. Use fast_float for long double when it
4876 is binary64.
4878 2022-01-23 Jonathan Wakely <jwakely@redhat.com>
4880 PR libstdc++/104174
4881 * include/bits/hashtable_policy.h (_Map_base): Add partial
4882 specialization for maps with const key types.
4883 * testsuite/23_containers/unordered_map/104174.cc: New test.
4885 2022-01-23 Jonathan Wakely <jwakely@redhat.com>
4887 PR libstdc++/104019
4888 * include/bits/shared_ptr_base.h (_Sp_counted_base<>::_M_release):
4889 Set members to zero without type punning.
4891 2022-01-21 Jonathan Wakely <jwakely@redhat.com>
4893 * testsuite/20_util/shared_ptr/cons/array.cc: Fix comment.
4895 2022-01-21 Jonathan Wakely <jwakely@redhat.com>
4897 PR libstdc++/87193
4898 PR libstdc++/104019
4899 * include/bits/alloc_traits.h (__cpp_lib_allocator_traits_is_always_equal):
4900 Define as type long.
4901 * include/bits/allocator.h (__cpp_lib_incomplete_container_elements):
4902 Likewise.
4903 * include/bits/basic_string.h (__cpp_lib_string_udls): Likewise.
4904 * include/bits/chrono.h (__cpp_lib_chrono): Likewise.
4905 (__cpp_lib_chrono_udls): Likewise.
4906 * include/bits/move.h (__cpp_lib_addressof_constexpr): Likewise.
4907 * include/bits/node_handle.h (__cpp_lib_node_extract): Likewise.
4908 * include/bits/range_access.h (__cpp_lib_nonmember_container_access):
4909 Likewise.
4910 * include/bits/shared_ptr.h (__cpp_lib_enable_shared_from_this):
4911 Likewise.
4912 * include/bits/stl_algo.h (__cpp_lib_clamp): Likewise.
4913 (__cpp_lib_sample): Likewise.
4914 * include/bits/stl_algobase.h (__cpp_lib_robust_nonmodifying_seq_ops):
4915 Likewise.
4916 * include/bits/stl_function.h (__cpp_lib_transparent_operators):
4917 Likewise.
4918 * include/bits/stl_iterator.h (__cpp_lib_make_reverse_iterator):
4919 Likewise.
4920 * include/bits/stl_map.h (__cpp_lib_map_try_emplace):
4921 Likewise.
4922 * include/bits/stl_tree.h (__cpp_lib_generic_associative_lookup):
4923 Likewise.
4924 * include/bits/unique_ptr.h (__cpp_lib_make_unique):
4925 Likewise.
4926 * include/bits/unordered_map.h (__cpp_lib_unordered_map_try_emplace):
4927 Likewise.
4928 * include/c_global/cmath (__cpp_lib_hypot): Likewise.
4929 * include/c_global/cstddef (__cpp_lib_byte): Likewise.
4930 * include/std/atomic (__cpp_lib_atomic_is_always_lock_free):
4931 Likewise.
4932 * include/std/complex (__cpp_lib_complex_udls): Likewise.
4933 * include/std/filesystem (__cpp_lib_filesystem): Likewise.
4934 * include/std/functional (__cpp_lib_not_fn): Likewise.
4935 (__cpp_lib_boyer_moore_searcher): Likewise.
4936 * include/std/iomanip (__cpp_lib_quoted_string_io): Likewise.
4937 * include/std/mutex (__cpp_lib_scoped_lock): Likewise.
4938 * include/std/numeric (__cpp_lib_gcd_lcm): Likewise.
4939 (__cpp_lib_gcd, __cpp_lib_lcm): Likewise.
4940 * include/std/tuple (__cpp_lib_apply): Likewise.
4941 (__cpp_lib_make_from_tuple): Likewise.
4942 * include/std/type_traits (__cpp_lib_integral_constant_callable)
4943 (__cpp_lib_bool_constant, __cpp_lib_logical_traits)
4944 (__cpp_lib_is_null_pointer, __cpp_lib_transformation_trait_aliases)
4945 (__cpp_lib_result_of_sfinae, __cpp_lib_void_t)
4946 (__cpp_lib_is_swappable, __cpp_lib_is_invocable)
4947 (__cpp_lib_has_unique_object_representations)
4948 (__cpp_lib_is_aggregate): Likewise.
4949 * include/std/version: Likewise.
4950 * libsupc++/new (__cpp_lib_launder): Likewise.
4952 2022-01-21 Jonathan Wakely <jwakely@redhat.com>
4954 * include/std/version (__cpp_lib_shared_ptr_arrays): Fix
4955 condition for C++17 definition.
4957 2022-01-21 Jonathan Wakely <jwakely@redhat.com>
4959 * include/bits/shared_ptr_atomic.h (_Sp_atomic::_Atomic_count):
4960 Add constexpr.
4961 (_Sp_atomic::_M_ptr): Add default member-initializer.
4962 * testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc:
4963 Check constant initialization.
4964 * testsuite/20_util/weak_ptr/atomic_weak_ptr.cc: Likewise.
4966 2022-01-20 Jonathan Wakely <jwakely@redhat.com>
4968 * src/c++11/cxx11-ios_failure.cc (__constinit): Define as
4969 equivalent attribute for Clang.
4970 * src/c++11/future.cc (__constinit): Likewise.
4971 * src/c++11/system_error.cc (__constinit): Likewise.
4972 * src/c++17/memory_resource.cc (__constinit): Likewise.
4974 2022-01-20 Jonathan Wakely <jwakely@redhat.com>
4976 * scripts/testsuite_flags.in: Only add src/filesystem/.libs and
4977 src/libbacktrace/.libs to LDFLAGS if those directories exist.
4979 2022-01-19 Jonathan Wakely <jwakely@redhat.com>
4981 * configure.ac (GLIBCXX_ENABLE_DEBUG_FLAGS): Remove -gdwarf-4
4982 from default flags.
4983 * configure: Regenerate.
4985 2022-01-19 Jonathan Wakely <jwakely@redhat.com>
4987 PR libstdc++/104123
4988 * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc: Include
4989 <stddef.h>.
4991 2022-01-19 Jonathan Wakely <jwakely@redhat.com>
4993 * scripts/testsuite_flags.in: Add src/libbacktrace/.libs to
4994 linker search paths.
4995 * src/Makefile.am: Fix src/debug/libbacktrace build.
4996 * src/Makefile.in: Regenerate.
4997 * src/libbacktrace/Makefile.am: Use per-library CPPFLAGS
4998 variable. Use symlinks for the source files.
4999 * src/libbacktrace/Makefile.in: Regenerate.
5001 2022-01-19 Matthias Kretz <m.kretz@gsi.de>
5003 * include/experimental/bits/simd.h (__floating_point_flags): Do
5004 not rely on math_errhandling to expand to a constant expression.
5006 2022-01-19 Jonathan Wakely <jwakely@redhat.com>
5008 * doc/xml/manual/evolution.xml: Document deprecations.
5009 * doc/xml/manual/status_cxx2017.xml: Update status.
5010 * doc/html/*: Regenerate.
5012 2022-01-19 Jonathan Wakely <jwakely@redhat.com>
5014 * include/bits/stl_tempbuf.h (get_temporary_buffer): Change
5015 _GLIBCXX14_DEPRECATED to _GLIBCXX17_DEPRECATED.
5017 2022-01-19 Jonathan Wakely <jwakely@redhat.com>
5019 * include/bits/stl_pair.h (_PCC::_DeprConsPair): Remove unused
5020 function.
5022 2022-01-19 Jonathan Wakely <jwakely@redhat.com>
5024 PR libstdc++/104101
5025 * include/bits/shared_ptr_atomic.h (_Sp_atomic::_Atomic_count::lock):
5026 Only use __thread_relax if __cpp_lib_atomic_wait is defined.
5028 2022-01-18 Jonathan Wakely <jwakely@redhat.com>
5030 PR libstdc++/104099
5031 * include/bits/basic_string.h (basic_string(nullptr_t)): Only
5032 define for C++23.
5033 (operator=(nullptr_t)): Likewise.
5034 * include/bits/cow_string.h: Likewise.
5035 * include/std/string_view (basic_string_view(nullptr_t)):
5036 Likewise.
5037 * testsuite/21_strings/basic_string/cons/char/nullptr.cc: Adjust
5038 expected error. Add examples that become ill-formed in C++23.
5039 * testsuite/21_strings/basic_string_view/cons/char/nonnull.cc:
5040 Adjust expected errors.
5041 * testsuite/21_strings/basic_string_view/cons/wchar_t/nonnull.cc:
5042 Likewise.
5044 2022-01-18 Jonathan Wakely <jwakely@redhat.com>
5046 PR libstdc++/104098
5047 * include/bits/stl_iterator.h (reverse_iterator): Check
5048 __cpp_lib_concepts instead of __cplusplus.
5050 2022-01-18 Jonathan Wakely <jwakely@redhat.com>
5052 PR libstdc++/101124
5053 * include/bits/stl_pair.h (pair): Adjust constraints on
5054 deprecated constructors accepting literal zero as null pointer
5055 constant. Improve wording of deprecated attribute.
5056 * testsuite/20_util/pair/cons/99957.cc: Check that deprecated
5057 constructors do not cause ambiguities for copyable types.
5059 2022-01-18 Jonathan Wakely <jwakely@redhat.com>
5061 * include/bits/stl_function.h (ptr_fun): Fix suggestion for
5062 non-deprecated alternative.
5064 2022-01-18 Tom Honermann <tom@honermann.net>
5066 * acinclude.m4: Define config macros if uchar.h provides
5067 c8rtomb() and mbrtoc8().
5068 * config.h.in: Regenerate.
5069 * configure: Regenerate.
5070 * include/c_compatibility/uchar.h (c8rtomb, mbrtoc8): Define.
5071 * include/c_global/cuchar (c8rtomb, mbrtoc8): Likewise.
5072 * include/c_std/cuchar (c8rtomb, mbrtoc8): Likewise.
5073 * testsuite/21_strings/headers/cuchar/functions_std_cxx20.cc:
5074 New test.
5075 * testsuite/21_strings/headers/cuchar/functions_std_fchar8_t.cc:
5076 New test.
5078 2022-01-18 Jonathan Wakely <jwakely@redhat.com>
5080 * include/Makefile.am: Install new header.
5081 * include/Makefile.in: Regenerate.
5082 * include/c_compatibility/stdatomic.h: New file.
5083 * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc: New test.
5085 2022-01-18 Jonathan Wakely <jwakely@redhat.com>
5087 PR libstdc++/104080
5088 * src/c++17/fast_float/LOCAL_PATCHES: Update.
5089 * src/c++17/fast_float/fast_float.h (FASTFLOAT_IS_BIG_ENDIAN):
5090 Define in terms of __BYTE_ORDER__.
5092 2022-01-18 Jonathan Wakely <jwakely@redhat.com>
5094 PR libstdc++/104080
5095 * src/c++17/fast_float/LOCAL_PATCHES: UPDATE.
5096 * src/c++17/fast_float/fast_float.h (round): Use explicit
5097 template argument list for std::min.
5099 2022-01-18 Jonathan Wakely <jwakely@redhat.com>
5101 * doc/xml/manual/status_cxx2017.xml: Update C++17 status.
5102 * doc/xml/manual/status_cxx2020.xml: Use 12.1 instead of 12 for
5103 upcoming release.
5104 * doc/html/manual/status.html: Regenerate.
5106 2022-01-18 Jonathan Wakely <jwakely@redhat.com>
5108 * acinclude.m4 (GLIBCXX_ENABLE_FULLY_DYNAMIC_STRING): Improve
5109 comments.
5110 * configure: Regenerate.
5112 2022-01-17 Patrick Palka <ppalka@redhat.com>
5114 * src/c++17/floating_from_chars.cc: (USE_LIB_FAST_FLOAT):
5115 Conditionally define, and use it to conditionally include
5116 fast_float.
5117 (from_chars): Use fast_float for float and double when
5118 USE_LIB_FAST_FLOAT.
5120 2022-01-17 Patrick Palka <ppalka@redhat.com>
5122 * src/c++17/fast_float/LOCAL_PATCHES: Update.
5123 * src/c++17/fast_float/fast_float.h (from_chars_advanced): In
5124 case of over/underflow, return errc::result_out_of_range and don't
5125 modify 'value'.
5127 2022-01-17 Patrick Palka <ppalka@redhat.com>
5129 * src/c++17/fast_float/LOCAL_PATCHES: Update.
5130 * src/c++17/fast_float/fast_float.h: Apply local modifications.
5132 2022-01-17 Patrick Palka <ppalka@redhat.com>
5134 * src/c++17/fast_float/LOCAL_PATCHES: New file.
5135 * src/c++17/fast_float/MERGE: New file.
5136 * src/c++17/fast_float/README.md: New file, copied from the
5137 fast_float repository.
5138 * src/c++17/fast_float/fast_float.h: New file, an amalgamation
5139 of the fast_float library.
5141 2022-01-17 Patrick Palka <ppalka@redhat.com>
5143 * src/c++17/floating_from_chars.cc: Include <bit>.
5144 (ascii_to_hexit, starts_with_ci): Conditionally define.
5145 (__floating_from_chars_hex): Conditionally define.
5146 (from_chars): Use __floating_from_chars_hex for
5147 chars_format::hex parsing of binary32/64 float/double.
5148 (testsuite/20_util/from_chars/7.cc): New test.
5149 * testsuite/20_util/from_chars/7.cc: New file.
5151 2022-01-17 Jonathan Wakely <jwakely@redhat.com>
5153 * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): New macro.
5154 * configure.ac: Use GLIBCXX_ENABLE_BACKTRACE.
5155 * include/Makefile.am: Add new header.
5156 * include/Makefile.in: Regenerate.
5157 * include/std/stacktrace: New header.
5158 * include/std/version (__cpp_lib_stacktrace): Define.
5159 * Makefile.in: Regenerate.
5160 * config.h.in: Regenerate.
5161 * configure: Regenerate.
5162 * doc/Makefile.in: Regenerate.
5163 * libsupc++/Makefile.in: Regenerate.
5164 * po/Makefile.in: Regenerate.
5165 * python/Makefile.in: Regenerate.
5166 * src/Makefile.am: Regenerate.
5167 * src/Makefile.in: Regenerate.
5168 * src/c++11/Makefile.in: Regenerate.
5169 * src/c++17/Makefile.in: Regenerate.
5170 * src/c++20/Makefile.in: Regenerate.
5171 * src/c++98/Makefile.in: Regenerate.
5172 * src/filesystem/Makefile.in: Regenerate.
5173 * testsuite/Makefile.in: Regenerate.
5174 * src/libbacktrace/Makefile.am: New file.
5175 * src/libbacktrace/Makefile.in: New file.
5176 * src/libbacktrace/backtrace-rename.h: New file.
5177 * src/libbacktrace/backtrace-supported.h.in: New file.
5178 * src/libbacktrace/config.h.in: New file.
5179 * testsuite/lib/libstdc++.exp (check_effective_target_stacktrace):
5180 New proc.
5181 * testsuite/20_util/stacktrace/entry.cc: New test.
5182 * testsuite/20_util/stacktrace/synopsis.cc: New test.
5183 * testsuite/20_util/stacktrace/version.cc: New test.
5185 2022-01-17 Jonathan Wakely <jwakely@redhat.com>
5187 * doc/xml/manual/status_cxx2020.xml: Use final C++20 option
5188 names.
5189 * doc/html/manual/status.html: Regenerate.
5191 2022-01-17 Jonathan Wakely <jwakely@redhat.com>
5193 PR libstdc++/103650
5194 * include/Makefile.am: Rename LT_OBJDIR and STDC_HEADERS.
5195 * include/Makefile.in: Regenerate.
5196 * testsuite/17_intro/headers/c++1998/103650.cc: New test.
5198 2022-01-17 Matthias Kretz <m.kretz@gsi.de>
5200 * include/experimental/bits/simd.h (__floating_point_flags): Do
5201 not rely on the presence of the math_errhandling macro.
5203 2022-01-17 Jonathan Wakely <jwakely@redhat.com>
5205 * include/bits/shared_ptr_atomic.h (_Sp_atomic): Add typename
5206 to qualified-id for dependent type.
5208 2022-01-17 Jonathan Wakely <jwakely@redhat.com>
5210 * doc/xml/manual/status_cxx2020.xml: Update.
5211 * doc/html/manual/status.html: Regenerate.
5213 2022-01-17 Jonathan Wakely <jwakely@redhat.com>
5214 Thomas Rodgers <trodgers@redhat.com>
5216 * include/bits/shared_ptr_atomic.h (__cpp_lib_atomic_shared_ptr):
5217 New macro.
5218 (_Sp_atomic): New class template.
5219 (atomic<shared_ptr<T>>, atomic<weak_ptr<T>>): New partial
5220 specializations.
5221 * include/bits/shared_ptr_base.h (__shared_count, __weak_count)
5222 (__shared_ptr, __weak_ptr): Declare _Sp_atomic as a friend.
5223 * include/std/version (__cpp_lib_atomic_shared_ptr): New macro.
5224 * testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc: New
5225 test.
5226 * testsuite/20_util/weak_ptr/atomic_weak_ptr.cc: New test.
5228 2022-01-15 Matthias Kretz <m.kretz@gsi.de>
5230 * include/experimental/bits/simd.h: Move feature detection bools
5231 and add __have_avx512bitalg, __have_avx512vbmi2,
5232 __have_avx512vbmi, __have_avx512ifma, __have_avx512cd,
5233 __have_avx512vnni, __have_avx512vpopcntdq.
5234 (__detail::__machine_flags): New function which returns a unique
5235 uint64 depending on relevant -m and -f flags.
5236 (__detail::__odr_helper): New type alias for either an anonymous
5237 type or a type specialized with the __machine_flags number.
5238 (_SimdIntOperators): Change template parameters from _Impl to
5239 _Tp, _Abi because _Impl now has an __odr_helper parameter which
5240 may be _OdrEnforcer from the anonymous namespace, which makes
5241 for a bad base class.
5242 (many): Either add __odr_helper template parameter or mark as
5243 always_inline.
5244 * include/experimental/bits/simd_detail.h: Add defines for
5245 AVX512BITALG, AVX512VBMI2, AVX512VBMI, AVX512IFMA, AVX512CD,
5246 AVX512VNNI, AVX512VPOPCNTDQ, and AVX512VP2INTERSECT.
5247 * include/experimental/bits/simd_builtin.h: Add __odr_helper
5248 template parameter or mark as always_inline.
5249 * include/experimental/bits/simd_fixed_size.h: Ditto.
5250 * include/experimental/bits/simd_math.h: Ditto.
5251 * include/experimental/bits/simd_scalar.h: Ditto.
5252 * include/experimental/bits/simd_neon.h: Add __odr_helper
5253 template parameter.
5254 * include/experimental/bits/simd_ppc.h: Ditto.
5255 * include/experimental/bits/simd_x86.h: Ditto.
5257 2022-01-14 Uroš Bizjak <ubizjak@gmail.com>
5259 * testsuite/22_locale/numpunct/members/char/3.cc:
5260 Require pt_PT locale instead of nl_NL.
5261 (test02): Use pt_PT locale instead of nl_NL.
5263 2022-01-14 Jonathan Wakely <jwakely@redhat.com>
5265 PR libstdc++/91260
5266 PR libstdc++/91383
5267 PR libstdc++/95065
5268 * include/backward/binders.h (bind1st, bind2nd): Add deprecated
5269 attribute.
5270 * include/bits/refwrap.h (_Maybe_unary_or_binary_function):
5271 Disable deprecated warnings for base classes.
5272 (_Reference_wrapper_base): Likewise.
5273 * include/bits/shared_ptr_base.h (_Sp_owner_less): Likewise.
5274 * include/bits/stl_bvector.h (_Bit_iterator_base): Likewise.
5275 * include/bits/stl_function.h (unary_function, binary_function):
5276 Add deprecated attribute.
5277 (unary_negate, not1, binary_negate, not2, ptr_fun)
5278 (pointer_to_unary_function, pointer_to_binary_function)
5279 (mem_fun_t, const_mem_fun_t, mem_fun_ref_t, const_mem_fun_ref_t)
5280 (mem_fun1_t, const_mem_fun1_t, mem_fun_ref1_t)
5281 (const_mem_fun1_ref_t, mem_fun, mem_fun_ref): Add deprecated
5282 attributes.
5283 * include/bits/stl_iterator.h: Disable deprecated warnings for
5284 std::iterator base classes.
5285 * include/bits/stl_iterator_base_types.h (iterator): Add
5286 deprecated attribute.
5287 * include/bits/stl_map.h (map::value_compare): Disable
5288 deprecated warnings for base class.
5289 * include/bits/stl_multimap.h (multimap::value_compare):
5290 Likewise.
5291 * include/bits/stl_raw_storage_iter.h (raw_storage_iterator):
5292 Add deprecated attribute.
5293 * include/bits/stl_tempbuf.h (get_temporary_buffer): Likewise.
5294 * include/bits/stream_iterator.h: Disable deprecated warnings.
5295 * include/bits/streambuf_iterator.h: Likewise.
5296 * include/ext/bitmap_allocator.h: Remove unary_function base
5297 classes.
5298 * include/ext/functional: Disable deprecated warnings.
5299 * include/ext/rope: Likewise.
5300 * include/ext/throw_allocator.h: Likewise.
5301 * include/std/type_traits (result_of): Add deprecated attribute.
5302 * include/tr1/functional: Disable deprecated warnings.
5303 * include/tr1/functional_hash.h: Likewise.
5304 * testsuite/20_util/function_objects/binders/1.cc: Add
5305 -Wno-disable-deprecations.
5306 * testsuite/20_util/function_objects/binders/3113.cc: Likewise.
5307 * testsuite/20_util/function_objects/constexpr.cc: Add
5308 dg-warning.
5309 * testsuite/20_util/raw_storage_iterator/base.cc: Likewise.
5310 * testsuite/20_util/raw_storage_iterator/dr2127.cc: Likewise.
5311 * testsuite/20_util/raw_storage_iterator/requirements/base_classes.cc:
5312 Likewise.
5313 * testsuite/20_util/raw_storage_iterator/requirements/explicit_instantiation/1.cc:
5314 Likewise.
5315 * testsuite/20_util/raw_storage_iterator/requirements/typedefs.cc:
5316 Likewise.
5317 * testsuite/20_util/reference_wrapper/24803.cc:
5318 Likewise.
5319 * testsuite/20_util/reference_wrapper/typedefs.cc: Enable for
5320 C++20 and check for absence of nested types.
5321 * testsuite/20_util/shared_ptr/comparison/less.cc: Remove
5322 std::binary_function base class.
5323 * testsuite/20_util/temporary_buffer.cc: Add dg-warning.
5324 * testsuite/21_strings/basic_string/cons/char/69092.cc: Remove
5325 std::iterator base class.
5326 * testsuite/24_iterators/back_insert_iterator/requirements/base_classes.cc:
5327 Likewise.
5328 * testsuite/24_iterators/front_insert_iterator/requirements/base_classes.cc:
5329 Likewise.
5330 * testsuite/24_iterators/insert_iterator/requirements/base_classes.cc:
5331 Likewise.
5332 * testsuite/24_iterators/istream_iterator/requirements/base_classes.cc:
5333 Likewise.
5334 * testsuite/24_iterators/istreambuf_iterator/92285.cc:
5335 Likewise.
5336 * testsuite/24_iterators/istreambuf_iterator/requirements/base_classes.cc:
5337 Likewise.
5338 * testsuite/24_iterators/ostream_iterator/requirements/base_classes.cc:
5339 Likewise.
5340 * testsuite/24_iterators/ostreambuf_iterator/requirements/base_classes.cc:
5341 Likewise.
5342 * testsuite/24_iterators/reverse_iterator/requirements/base_classes.cc:
5343 Likewise.
5344 * testsuite/25_algorithms/copy/34595.cc:
5345 Likewise.
5346 * testsuite/25_algorithms/minmax/3.cc: Remove std::binary_function
5347 base class.
5348 * testsuite/25_algorithms/all_of/requirements/explicit_instantiation/2.cc:
5349 Disable deprecated warnings.
5350 * testsuite/25_algorithms/all_of/requirements/explicit_instantiation/pod.cc:
5351 Likewise.
5352 * testsuite/25_algorithms/any_of/requirements/explicit_instantiation/2.cc:
5353 Likewise.
5354 * testsuite/25_algorithms/any_of/requirements/explicit_instantiation/pod.cc:
5355 Likewise.
5356 * testsuite/25_algorithms/copy_if/requirements/explicit_instantiation/2.cc:
5357 Likewise.
5358 * testsuite/25_algorithms/copy_if/requirements/explicit_instantiation/pod.cc:
5359 Likewise.
5360 * testsuite/25_algorithms/count_if/requirements/explicit_instantiation/2.cc:
5361 Likewise.
5362 * testsuite/25_algorithms/count_if/requirements/explicit_instantiation/pod.cc:
5363 Likewise.
5364 * testsuite/25_algorithms/find_end/requirements/explicit_instantiation/2.cc:
5365 Likewise.
5366 * testsuite/25_algorithms/find_end/requirements/explicit_instantiation/pod.cc:
5367 Likewise.
5368 * testsuite/25_algorithms/find_first_of/requirements/explicit_instantiation/2.cc:
5369 Likewise.
5370 * testsuite/25_algorithms/find_first_of/requirements/explicit_instantiation/pod.cc:
5371 Likewise.
5372 * testsuite/25_algorithms/find_if/requirements/explicit_instantiation/2.cc:
5373 Likewise.
5374 * testsuite/25_algorithms/find_if/requirements/explicit_instantiation/pod.cc:
5375 Likewise.
5376 * testsuite/25_algorithms/find_if_not/requirements/explicit_instantiation/2.cc:
5377 Likewise.
5378 * testsuite/25_algorithms/find_if_not/requirements/explicit_instantiation/pod.cc:
5379 Likewise.
5380 * testsuite/25_algorithms/for_each/requirements/explicit_instantiation/2.cc:
5381 Likewise.
5382 * testsuite/25_algorithms/for_each/requirements/explicit_instantiation/pod.cc:
5383 Likewise.
5384 * testsuite/25_algorithms/is_partitioned/requirements/explicit_instantiation/2.cc:
5385 Likewise.
5386 * testsuite/25_algorithms/is_partitioned/requirements/explicit_instantiation/pod.cc:
5387 Likewise.
5388 * testsuite/25_algorithms/is_permutation/requirements/explicit_instantiation/2.cc:
5389 Likewise.
5390 * testsuite/25_algorithms/is_permutation/requirements/explicit_instantiation/pod.cc:
5391 Likewise.
5392 * testsuite/25_algorithms/none_of/requirements/explicit_instantiation/2.cc:
5393 Likewise.
5394 * testsuite/25_algorithms/none_of/requirements/explicit_instantiation/pod.cc:
5395 Likewise.
5396 * testsuite/25_algorithms/partition/requirements/explicit_instantiation/2.cc:
5397 Likewise.
5398 * testsuite/25_algorithms/partition/requirements/explicit_instantiation/pod.cc:
5399 Likewise.
5400 * testsuite/25_algorithms/partition_copy/requirements/explicit_instantiation/2.cc:
5401 Likewise.
5402 * testsuite/25_algorithms/partition_copy/requirements/explicit_instantiation/pod.cc:
5403 Likewise.
5404 * testsuite/25_algorithms/partition_point/requirements/explicit_instantiation/2.cc:
5405 Likewise.
5406 * testsuite/25_algorithms/partition_point/requirements/explicit_instantiation/pod.cc:
5407 Likewise.
5408 * testsuite/25_algorithms/random_shuffle/requirements/explicit_instantiation/2.cc:
5409 Likewise.
5410 * testsuite/25_algorithms/random_shuffle/requirements/explicit_instantiation/pod.cc:
5411 Likewise.
5412 * testsuite/25_algorithms/remove_copy_if/requirements/explicit_instantiation/2.cc:
5413 Likewise.
5414 * testsuite/25_algorithms/remove_copy_if/requirements/explicit_instantiation/pod.cc:
5415 Likewise.
5416 * testsuite/25_algorithms/remove_if/requirements/explicit_instantiation/2.cc:
5417 Likewise.
5418 * testsuite/25_algorithms/remove_if/requirements/explicit_instantiation/pod.cc:
5419 Likewise.
5420 * testsuite/25_algorithms/replace_copy_if/requirements/explicit_instantiation/2.cc:
5421 Likewise.
5422 * testsuite/25_algorithms/replace_copy_if/requirements/explicit_instantiation/pod.cc:
5423 Likewise.
5424 * testsuite/25_algorithms/replace_if/requirements/explicit_instantiation/2.cc:
5425 Likewise.
5426 * testsuite/25_algorithms/replace_if/requirements/explicit_instantiation/pod.cc:
5427 Likewise.
5428 * testsuite/25_algorithms/search/requirements/explicit_instantiation/2.cc:
5429 Likewise.
5430 * testsuite/25_algorithms/search/requirements/explicit_instantiation/pod.cc:
5431 Likewise.
5432 * testsuite/25_algorithms/search_n/requirements/explicit_instantiation/2.cc:
5433 Likewise.
5434 * testsuite/25_algorithms/search_n/requirements/explicit_instantiation/pod.cc:
5435 Likewise.
5436 * testsuite/25_algorithms/stable_partition/requirements/explicit_instantiation/2.cc:
5437 Likewise.
5438 * testsuite/25_algorithms/stable_partition/requirements/explicit_instantiation/pod.cc:
5439 Likewise.
5440 * testsuite/25_algorithms/transform/requirements/explicit_instantiation/2.cc:
5441 Likewise.
5442 * testsuite/25_algorithms/transform/requirements/explicit_instantiation/pod.cc:
5443 Likewise.
5444 * testsuite/27_io/basic_filebuf/underflow/wchar_t/9178.cc: Add
5445 dg-warning.
5446 * testsuite/ext/pb_ds/example/priority_queue_erase_if.cc:
5447 Likewise.
5448 * testsuite/ext/pb_ds/example/priority_queue_split_join.cc:
5449 Likewise.
5450 * testsuite/tr1/3_function_objects/reference_wrapper/typedefs.cc:
5451 Disable deprecated warnings.
5452 * testsuite/tr1/6_containers/hash/requirements/base_classes.cc:
5453 Likewise.
5454 * testsuite/util/regression/trait/erase_if_fn.hpp: Remove
5455 std::unary_function base classes.
5456 * testsuite/util/testsuite_iterators.h (output_iterator_wrapper):
5457 Remove std::iterator base classes.
5459 2022-01-14 Jonathan Wakely <jwakely@redhat.com>
5461 * include/bits/shared_ptr.h (__cpp_lib_shared_ptr_weak_type):
5462 Correct type of macro value.
5463 (shared_ptr): Add additional friend declarations.
5464 (make_shared, allocate_shared): Constrain existing overloads and
5465 remove static_assert.
5466 * include/bits/shared_ptr_base.h (__cpp_lib_smart_ptr_for_overwrite):
5467 New macro.
5468 (_Sp_counted_ptr_inplace<T, Alloc, Lp>): New partial
5469 specialization for use with make_shared_for_overwrite.
5470 (__cpp_lib_shared_ptr_arrays): Update value for C++20.
5471 (_Sp_counted_array_base): New class template.
5472 (_Sp_counted_array): New class template.
5473 (__shared_count(_Tp*&, const _Sp_counted_array_base&, _Init)):
5474 New constructor for allocating shared arrays.
5475 (__shared_ptr(const _Sp_counted_array_base&, _Init)): Likewise.
5476 * include/std/version (__cpp_lib_shared_ptr_weak_type): Correct
5477 type.
5478 (__cpp_lib_shared_ptr_arrays): Update value for C++20.
5479 (__cpp_lib_smart_ptr_for_overwrite): New macro.
5480 * testsuite/20_util/shared_ptr/creation/99006.cc: Adjust
5481 expected errors.
5482 * testsuite/20_util/shared_ptr/creation/array.cc: New test.
5483 * testsuite/20_util/shared_ptr/creation/overwrite.cc: New test.
5484 * testsuite/20_util/shared_ptr/creation/version.cc: New test.
5485 * testsuite/20_util/unique_ptr/creation/for_overwrite.cc: Check
5486 feature test macro. Test non-trivial default-initialization.
5488 2022-01-14 Jonathan Wakely <jwakely@redhat.com>
5490 * include/bits/stl_construct.h (_Construct, _Construct_novalue):
5491 Also cast away cv-qualifiers when converting pointer to void.
5492 * testsuite/20_util/allocator/void.cc: Test construct function
5493 with cv-qualified types.
5495 2022-01-14 Jonathan Wakely <jwakely@redhat.com>
5497 PR libstdc++/103992
5498 * include/bits/stl_iterator.h (common_iterator): Use
5499 std::construct_at instead of placement new.
5500 * testsuite/24_iterators/common_iterator/1.cc: Check copy
5501 construction is usable in constant expressions.
5503 2022-01-14 Jonathan Wakely <jwakely@redhat.com>
5505 * doc/xml/manual/status_cxx2011.xml: Document new tokens
5506 accepted by std::random_device constructor.
5507 * doc/html/manual/status.html: Regenerate.
5509 2022-01-12 Patrick Palka <ppalka@redhat.com>
5511 * testsuite/20_util/to_chars/103955.cc: Add explicit dg-do
5512 directive.
5514 2022-01-12 Patrick Palka <ppalka@redhat.com>
5516 PR libstdc++/103955
5517 * src/c++17/floating_to_chars.cc (__floating_to_chars_hex):
5518 Track the excess precision separately from the effective
5519 precision. Avoid overflow in bounds check by splitting it into
5520 two checks.
5521 (__floating_to_chars_precision): Avoid overflow in bounds checks
5522 similarly.
5523 * testsuite/20_util/to_chars/103955.cc: New test.
5525 2022-01-11 Jonathan Wakely <jwakely@redhat.com>
5527 PR libstdc++/103726
5528 * include/Makefile.am: Install <source_location> for
5529 freestanding.
5530 * include/Makefile.in: Regenerate.
5531 * include/std/version (__cpp_lib_source_location): Define for
5532 freestanding.
5534 2022-01-11 Jonathan Wakely <jwakely@redhat.com>
5536 * include/std/ranges (ranges::lazy_split_view::_InnerIter::end()):
5537 Add neoxcept (LWG 3593).
5539 2022-01-11 Jonathan Wakely <jwakely@redhat.com>
5541 * include/std/ranges (ranges::__detail::__box): Add constexpr to
5542 assignment operators (LWG 3572).
5543 * testsuite/std/ranges/adaptors/filter.cc: Check assignment of a
5544 view that uses copyable-box.
5546 2022-01-11 Jonathan Wakely <jwakely@redhat.com>
5548 PR libstdc++/103726
5549 * include/Makefile.am: Install <coroutine> for freestanding.
5550 * include/Makefile.in: Regenerate.
5551 * include/std/coroutine: Adjust headers and preprocessor
5552 conditions.
5553 (__coroutine_traits_impl): Use concepts when available.
5554 [_GLIBCXX_HOSTED] (hash<coroutine_handle>): Define.
5556 2022-01-11 Jonathan Wakely <jwakely@redhat.com>
5558 * include/std/ostream (operator<<(basic_ostream&, charT)):
5559 Use unformatted input if no padding is needed.
5560 (operator<<(basic_ostream<char>&, char)): Likewise.
5562 2022-01-11 Jonathan Wakely <jwakely@redhat.com>
5564 PR libstdc++/103891
5565 * include/bits/c++config (_GLIBCXX_HAVE_COND_TRIVIAL_SPECIAL_MEMBERS):
5566 Define.
5567 * include/std/variant (__cpp_lib_variant): Only define C++20
5568 value when the compiler is known to support conditionally
5569 trivial destructors.
5570 * include/std/version (__cpp_lib_variant): Likewise.
5572 2022-01-11 Jonathan Wakely <jwakely@redhat.com>
5574 * include/bits/stl_iterator.h (common_iterator): Add constexpr
5575 to all member functions (LWG 3574).
5576 * testsuite/24_iterators/common_iterator/1.cc: Evaluate some
5577 tests as constant expressions.
5578 * testsuite/24_iterators/common_iterator/2.cc: Likewise.
5580 2022-01-10 Jakub Jelinek <jakub@redhat.com>
5582 PR libstdc++/77760
5583 * include/bits/locale_facets_nonio.h (__time_get_state): New struct.
5584 (time_get::_M_extract_via_format): Declare new method with
5585 __time_get_state& as an extra argument.
5586 * include/bits/locale_facets_nonio.tcc (_M_extract_via_format): Add
5587 __state argument, set various fields in it while parsing. Handle %j,
5588 %U, %w and %W, fix up handling of %y, %Y and %C, don't adjust tm_hour
5589 for %p immediately. Add a wrapper around the method without the
5590 __state argument for backwards compatibility.
5591 (_M_extract_num): Remove all __len == 4 special cases.
5592 (time_get::do_get_time, time_get::do_get_date, time_get::do_get): Zero
5593 initialize __state, pass it to _M_extract_via_format and finalize it
5594 at the end.
5595 (do_get_year): For 1-2 digit parsed years, map 0-68 to 2000-2068,
5596 69-99 to 1969-1999. For 3-4 digit parsed years use that as year.
5597 (get): If do_get isn't overloaded from the locale_facets_nonio.tcc
5598 version, don't call do_get but call _M_extract_via_format instead to
5599 pass around state.
5600 * config/abi/pre/gnu.ver (GLIBCXX_3.4.30): Export _M_extract_via_format
5601 with extra __time_get_state and __time_get_state::_M_finalize_state.
5602 * src/c++98/locale_facets.cc (is_leap, day_of_the_week,
5603 day_of_the_year): New functions in anon namespace.
5604 (mon_yday): New var in anon namespace.
5605 (__time_get_state::_M_finalize_state): Define.
5606 * testsuite/22_locale/time_get/get/char/4.cc: New test.
5607 * testsuite/22_locale/time_get/get/wchar_t/4.cc: New test.
5608 * testsuite/22_locale/time_get/get_year/char/1.cc (test01): Parse 197
5609 as year 197AD instead of error.
5610 * testsuite/22_locale/time_get/get_year/char/5.cc (test01): Parse 1 as
5611 year 2001 instead of error.
5612 * testsuite/22_locale/time_get/get_year/char/6.cc: New test.
5613 * testsuite/22_locale/time_get/get_year/wchar_t/1.cc (test01): Parse
5614 197 as year 197AD instead of error.
5615 * testsuite/22_locale/time_get/get_year/wchar_t/5.cc (test01): Parse
5616 1 as year 2001 instead of error.
5617 * testsuite/22_locale/time_get/get_year/wchar_t/6.cc: New test.
5619 2022-01-10 Jonathan Wakely <jwakely@redhat.com>
5621 PR libstdc++/103866
5622 * acinclude.m4 (GLIBCXX_COMPUTE_STDIO_INTEGER_CONSTANTS): Do
5623 nothing for freestanding builds.
5624 (GLIBCXX_ENABLE_HOSTED): Define FREESTANDING_FLAGS.
5625 * configure.ac: Do not use AC_LIBTOOL_DLOPEN when configured
5626 with --without-headers. Do not use GCC_HEADER_STDINT for
5627 freestanding builds.
5628 * libsupc++/Makefile.am (HOSTED_CXXFLAGS): Use -ffreestanding
5629 for freestanding builds.
5630 * configure: Regenerate.
5631 * Makefile.in: Regenerate.
5632 * doc/Makefile.in: Regenerate.
5633 * include/Makefile.in: Regenerate.
5634 * libsupc++/Makefile.in: Regenerate.
5635 * po/Makefile.in: Regenerate.
5636 * python/Makefile.in: Regenerate.
5637 * src/Makefile.in: Regenerate.
5638 * src/c++11/Makefile.in: Regenerate.
5639 * src/c++17/Makefile.in: Regenerate.
5640 * src/c++20/Makefile.in: Regenerate.
5641 * src/c++98/Makefile.in: Regenerate.
5642 * src/filesystem/Makefile.in: Regenerate.
5643 * testsuite/Makefile.in: Regenerate.
5645 2022-01-10 Jonathan Wakely <jwakely@redhat.com>
5647 * testsuite/28_regex/algorithms/regex_replace/char/103664.cc:
5648 Add dg-timeout-factor directive.
5649 * testsuite/28_regex/basic_regex/84110.cc: Likewise.
5650 * testsuite/28_regex/basic_regex/ctors/char/other.cc: Likewise.
5651 * testsuite/28_regex/match_results/102667.cc: Likewise.
5653 2022-01-10 Jonathan Wakely <jwakely@redhat.com>
5655 * doc/xml/manual/using.xml: Update documentation around default
5656 -std option.
5657 * doc/html/*: Regenerate.
5659 2022-01-10 Jonathan Wakely <jwakely@redhat.com>
5661 PR libstdc++/100017
5662 * src/c++17/Makefile.am (AM_CXXFLAGS): Add -nostdinc++.
5663 * src/c++17/Makefile.in: Regenerate.
5665 2022-01-09 Sandra Loosemore <sandra@codesourcery.com>
5667 * testsuite/18_support/type_info/constexpr.cc: Add explicit
5668 -fdelete-null-pointer-checks option.
5670 2022-01-06 Pavel I. Kryukov <pavel.kryukov@phystech.edu>
5671 Jonathan Wakely <jwakely@redhat.com>
5673 PR libstdc++/103853
5674 * include/bits/forward_list.tcc (forward_list::merge): Check for
5675 self-merge.
5676 * testsuite/23_containers/forward_list/operations/merge.cc: New test.
5678 2022-01-06 Jonathan Wakely <jwakely@redhat.com>
5680 * include/bits/regex.h (basic_regex, match_results): Qualify
5681 name in friend declaration, to work around Clang bug.
5683 2022-01-06 Jonathan Wakely <jwakely@redhat.com>
5685 * testsuite/ext/rope/pthread7-rope.cc: Add dg-timeout-factor.
5687 2022-01-06 Jonathan Wakely <jwakely@redhat.com>
5689 PR libstdc++/103911
5690 * include/std/charconv (__from_chars_alpha_to_num): Return
5691 char instead of unsigned char. Change invalid return value to
5692 127 instead of using numeric trait.
5693 (__from_chars_alnum): Fix comment. Do not use std::isdigit.
5694 Change type of variable to char.
5696 2022-01-05 François Dumont <fdumont@gcc.gnu.org>
5698 PR libstdc++/68303
5699 * include/bits/hashtable_policy.h
5700 (_Hashtable_hash_traits<_Hash>): New.
5701 (_Hash_code_base<>::_M_hash_code(const _Hash_node_value<>&)): New.
5702 (_Hashtable_base<>::_M_key_equals): New.
5703 (_Hashtable_base<>::_M_equals): Use latter.
5704 (_Hashtable_base<>::_M_key_equals_tr): New.
5705 (_Hashtable_base<>::_M_equals_tr): Use latter.
5706 * include/bits/hashtable.h
5707 (_Hashtable<>::__small_size_threshold()): New, use _Hashtable_hash_traits.
5708 (_Hashtable<>::find): Loop through elements to look for key if size is lower
5709 than __small_size_threshold().
5710 (_Hashtable<>::_M_emplace(true_type, _Args&&...)): Likewise.
5711 (_Hashtable<>::_M_insert_unique(_Kt&&, _Args&&, const _NodeGenerator&)): Likewise.
5712 (_Hashtable<>::_M_compute_hash_code(const_iterator, const key_type&)): New.
5713 (_Hashtable<>::_M_emplace(const_iterator, false_type, _Args&&...)): Use latter.
5714 (_Hashtable<>::_M_find_before_node(const key_type&)): New.
5715 (_Hashtable<>::_M_erase(true_type, const key_type&)): Use latter.
5716 (_Hashtable<>::_M_erase(false_type, const key_type&)): Likewise.
5717 * src/c++11/hashtable_c++0x.cc: Include <bits/functional_hash.h>.
5718 * testsuite/util/testsuite_performance.h
5719 (report_performance): Use 9 width to display memory.
5720 * testsuite/performance/23_containers/insert_erase/unordered_small_size.cc:
5721 New performance test case.
5723 2022-01-05 Jonathan Wakely <jwakely@redhat.com>
5725 PR libstdc++/103919
5726 * include/bits/basic_string.h (basic_string(const T&, size_t, size_t)):
5727 Relax constraints on string_view parameter.
5728 * include/bits/cow_string.h (basic_string(const T&, size_t, size_t)):
5729 Likewise.
5730 * testsuite/21_strings/basic_string/cons/char/103919.cc: New test.
5732 2022-01-05 Jonathan Wakely <jwakely@redhat.com>
5734 * config/abi/pre/gnu.ver (GLIBCXX_3.4.30): Export new symbol for
5735 ARM EABI.
5736 * include/bits/c++config (_GLIBCXX23_CONSTEXPR): Define.
5737 * include/std/version (__cpp_lib_constexpr_typeinfo): Define.
5738 * libsupc++/tinfo.cc: Add #error to ensure non-inline definition
5739 is emitted.
5740 (type_info::__equal): Define alias symbol.
5741 * libsupc++/typeinfo (type_info::before): Combine different
5742 implementations into one.
5743 (type_info::operator==): Likewise. Use address equality for
5744 constant evaluation. Call __equal for targets that require the
5745 definition to be non-inline.
5746 * testsuite/18_support/type_info/constexpr.cc: New test.
5748 2022-01-05 Jonathan Wakely <jwakely@redhat.com>
5750 * src/c++11/cxx11-ios_failure.cc (io_error_category): Define
5751 class and virtual functions as 'final'.
5752 (io_category_instance): Use constinit union to make the object
5753 immortal.
5754 * src/c++11/future.cc (future_error_category): Define class and
5755 virtual functions as 'final'.
5756 (future_category_instance): Use constinit union.
5758 2022-01-05 Jonathan Wakely <jwakely@redhat.com>
5760 * python/libstdcxx/v6/printers.py (StdErrorCodePrinter): Strip
5761 versioned namespace from the type name that is printed.
5763 2022-01-05 Jonathan Wakely <jwakely@redhat.com>
5765 * python/libstdcxx/v6/printers.py (StdRegexStatePrinter): New
5766 printer for std::regex NFA states.
5768 2022-01-05 Jonathan Wakely <jwakely@redhat.com>
5770 * testsuite/23_containers/forward_list/operations/1.cc: Fill in
5771 placeholders in comments.
5772 * testsuite/23_containers/forward_list/operations/2.cc:
5773 Likewise.
5774 * testsuite/23_containers/forward_list/operations/3.cc:
5775 Likewise.
5776 * testsuite/23_containers/forward_list/operations/4.cc:
5777 Likewise.
5778 * testsuite/23_containers/forward_list/operations/5.cc:
5779 Likewise.
5780 * testsuite/23_containers/forward_list/operations/6.cc:
5781 Likewise.
5782 * testsuite/23_containers/forward_list/operations/7.cc:
5783 Likewise.
5785 2022-01-05 Jonathan Wakely <jwakely@redhat.com>
5787 PR libstdc++/103848
5788 * include/bits/stl_deque.h (operator-): Do not use 0 as null
5789 pointer constant.
5791 2022-01-05 Jonathan Wakely <jwakely@redhat.com>
5793 * include/bits/alloc_traits.h (allocator_traits<allocator<void>>):
5794 Use std::_Construct for construct.
5796 2022-01-05 Jonathan Wakely <jwakely@redhat.com>
5798 PR libstdc++/103877
5799 * doc/xml/faq.xml: Add '-x c++' to preprocessor command.
5800 * doc/html/faq.html: Regenerate.
5802 2022-01-05 Jonathan Wakely <jwakely@redhat.com>
5804 * include/bits/regex.h (__regex_algo_impl): Change __policy and
5805 __match_mode template parameters to be function parameters.
5806 (regex_match, regex_search): Pass policy and match mode as
5807 function arguments.
5808 * include/bits/regex.tcc (__regex_algo_impl): Change template
5809 parameters to function parameters.
5810 * include/bits/regex_compiler.h (_RegexTranslatorBase): Use
5811 'if constexpr' for conditions using template parameters.
5812 (_RegexTranslator): Likewise.
5813 * include/bits/regex_executor.tcc (_Executor::_M_handle_accept):
5814 Likewise.
5815 * testsuite/util/testsuite_regex.h (regex_match_debug)
5816 (regex_search_debug): Move template arguments to function
5817 arguments.
5819 2022-01-05 Jonathan Wakely <jwakely@redhat.com>
5821 * testsuite/util/testsuite_regex.h (regex_match_debug): Compare
5822 results even if the match failed.
5824 2022-01-05 Jonathan Wakely <jwakely@redhat.com>
5826 * include/bits/regex_compiler.tcc: Adjust all calls to
5827 __throw_regex_error.
5828 * include/bits/regex_error.h (__throw_regex_error): Add noreturn
5829 attribute.
5830 * include/bits/regex_scanner.tcc: Likewise.
5831 * src/c++11/regex.cc (desc): New helper function.
5832 (regex_error::regex_error(error_type)): Use desc to get a string
5833 corresponding to the error code.
5835 \f
5836 Copyright (C) 2022 Free Software Foundation, Inc.
5838 Copying and distribution of this file, with or without modification,
5839 are permitted in any medium without royalty provided the copyright
5840 notice and this notice are preserved.