1 2019-11-15 Jonathan Wakely <jwakely@redhat.com>
3 * include/bits/iterator_concepts.h (weakly_incrementable): Adjust.
4 * include/std/concepts (default_constructible): Rename to
5 default_initializable and require default-list-initialization and
6 default-initialization to be valid (LWG 3149).
7 (semiregular): Adjust to new name.
8 * testsuite/std/concepts/concepts.lang/concept.defaultconstructible/
9 1.cc: Rename directory to concept.defaultinitializable and adjust to
11 * testsuite/std/concepts/concepts.lang/concept.defaultinitializable/
13 * testsuite/util/testsuite_iterators.h (test_range): Adjust.
15 * src/c++17/fs_path.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
16 (is_disk_designator): New helper function.
17 (path::_Parser::root_path()): Use is_disk_designator.
18 (path::lexically_relative(const path&)): Implement resolution of
20 * testsuite/27_io/filesystem/path/generation/relative.cc: Check with
21 path components that look like a root-name.
23 * doc/doxygen/user.cfg.in: Add <stop_token>.
24 * include/precompiled/stdc++.h: Likewise.
25 * include/std/stop_token: Fix definition of std::nostopstate.
26 * testsuite/30_threads/headers/stop_token/synopsis.cc: New test.
27 * testsuite/30_threads/headers/thread/types_std_c++20.cc: New test.
28 * testsuite/30_threads/stop_token/stop_source.cc: New test.
29 * testsuite/30_threads/stop_token/stop_token.cc: Remove unnecessary
30 dg-require directives. Remove I/O and inclusion of <iostream>.
32 2019-11-14 Thomas Rodgers <trodgers@redhat.com>
34 * include/Makefile.am: Add <stop_token> header.
35 * include/Makefile.in: Regenerate.
36 * include/std/condition_variable: Add overloads for stop_token support
37 to condition_variable_any.
38 * include/std/stop_token: New file.
39 * include/std/thread: Add jthread type.
40 * include/std/version (__cpp_lib_jthread): New value.
41 * testsuite/30_threads/condition_variable_any/stop_token/1.cc: New test.
42 * testsuite/30_threads/condition_variable_any/stop_token/2.cc: New test.
43 * testsuite/30_threads/condition_variable_any/stop_token/wait_on.cc:
45 * testsuite/30_threads/jthread/1.cc: New test.
46 * testsuite/30_threads/jthread/2.cc: New test.
47 * testsuite/30_threads/jthread/jthread.cc: New test.
48 * testsuite/30_threads/stop_token/1.cc: New test.
49 * testsuite/30_threads/stop_token/2.cc: New test.
50 * testsuite/30_threads/stop_token/stop_token.cc: New test.
52 2019-11-14 Edward Smith-Rowland <3dw4rd@verizon.net>
54 Implement the <array> part of C++20 p1032 Misc constexpr bits.
55 * include/std/array (fill, swap): Make constexpr.
56 * testsuite/23_containers/array/requirements/constexpr_fill.cc: New.
57 * testsuite/23_containers/array/requirements/constexpr_swap.cc: New.
59 2019-11-14 Jonathan Wakely <jwakely@redhat.com>
61 * include/bits/iterator_concepts.h (__iter_concept_impl): Add
63 (indirect_relation): Rename to indirect_binary_predicate and adjust
64 definition as per P1716R3.
65 (indirect_equivalence_relation): Define.
66 (indirectly_comparable): Adjust definition.
67 * include/std/concepts (equivalence_relation): Define.
68 * testsuite/std/concepts/concepts.callable/relation.cc: Add tests for
71 * include/bits/iterator_concepts.h (disable_sized_sentinel): Rename to
72 disable_sized_sentinel_for.
73 * testsuite/24_iterators/headers/iterator/synopsis_c++20.cc: Adjust.
75 2019-11-13 Jonathan Wakely <jwakely@redhat.com>
77 * libsupc++/compare (strong_order, weak_order, partial_order)
78 (compare_strong_order_fallback, compare_weak_order_fallback)
79 (compare_partial_order_fallback): Define customization point objects
81 * testsuite/18_support/comparisons/algorithms/partial_order.cc: New
83 * testsuite/18_support/comparisons/algorithms/strong_order.cc: New
85 * testsuite/18_support/comparisons/algorithms/weak_order.cc: New test.
87 2019-11-11 Gerald Pfeifer <gerald@pfeifer.com>
89 * doc/xml/gnu/gpl-3.0.xml: Adjust link to "Why not LGPL".
91 2019-11-10 Gerald Pfeifer <gerald@pfeifer.com>
93 * doc/xml/manual/using.xml: Switch www.hboehm.info to https.
95 2019-11-07 Jonathan Wakely <jwakely@redhat.com>
97 * doc/doxygen/user.cfg.in (INPUT): Add <compare> header.
98 * include/precompiled/stdc++.h: Include <compare> header.
100 * libsupc++/compare (common_comparison_category)
101 (common_comparison_category_t): Define for C++20.
102 * testsuite/18_support/comparisons/common/1.cc: New test.
104 * include/bits/stl_algo.h (for_each_n): Handle negative count.
105 * testsuite/25_algorithms/for_each/for_each_n_debug.cc: New test.
107 2019-11-07 Jason Merrill <jason@redhat.com>
109 * libsupc++/compare: Remove strong_equality and weak_equality.
111 2019-11-06 Jonathan Wakely <jwakely@redhat.com>
113 * include/Makefile.in: Regenerate.
114 * libsupc++/Makefile.in: Regenerate.
115 * libsupc++/compare (__3way_builtin_ptr_cmp): Define helper.
116 (compare_three_way): Add missing implementation.
118 * include/bits/iterator_concepts.h (unreachable_sentinel_t): Remove
119 redundant equality operators.
120 * testsuite/util/testsuite_iterators.h (test_range::sentinel):
123 2019-11-05 Jonathan Wakely <jwakely@redhat.com>
125 * libsupc++/compare: New header.
126 * libsupc++/Makefile.am (std_HEADERS): Add compare.
127 * include/std/version: Define __cpp_lib_three_way_comparison.
128 * include/std/functional: #include <compare>.
130 * include/std/version [!_GLIBCXX_HOSTED]: Do not define feature test
131 macros for features that are only present in hosted builds.
133 * include/bits/iterator_concepts.h (__iter_without_nested_types):
134 Remove incorrect comment.
136 2019-10-31 Jonathan Wakely <jwakely@redhat.com>
138 * doc/html/*: Regenerate.
140 * include/bits/refwrap.h (reference_wrapper, ref, cref): Add constexpr
141 specifiers for C++20.
142 * include/std/functional (_Mem_fn, mem_fn, _Bind, _Bind_result, bind)
143 (bind_front, _Not_fn, not_fn): Likewise.
144 * testsuite/20_util/bind/constexpr.cc: New test.
145 * testsuite/20_util/function_objects/bind_front/constexpr.cc: New test.
146 * testsuite/20_util/function_objects/mem_fn/constexpr.cc: New test.
147 * testsuite/20_util/function_objects/not_fn/constexpr.cc: New test.
148 * testsuite/20_util/reference_wrapper/constexpr.cc: New test.
150 * doc/doxygen/user.cfg.in: Add new header.
151 * include/Makefile.am: Add new header.
152 * include/Makefile.in: Regenerate.
153 * include/precompiled/stdc++.h: Include new header.
154 * include/std/ranges: New header.
155 (ranges::sentinel_t, ranges::range_value_t, ranges::range_reference_t)
156 (ranges::range_rvalue_reference_t, ranges::sized_range)
157 (ranges::output_range, ranges::input_ranges, ranges::forward_range)
158 (ranges::bidirectional_range, ranges::random_access_range)
159 (ranges::contiguous_range, ranges::common::range): Define.
160 * testsuite/24_iterators/headers/iterator/synopsis_c++20.cc: Check
161 that disabled_sized_sentinel can be specialized.
162 * testsuite/std/ranges/access/begin.cc: Include <ranges> instead of
164 * testsuite/std/ranges/access/cbegin.cc: Likewise.
165 * testsuite/std/ranges/access/cdata.cc: Likewise.
166 * testsuite/std/ranges/access/cend.cc: Likewise.
167 * testsuite/std/ranges/access/crbegin.cc: Likewise.
168 * testsuite/std/ranges/access/crend.cc: Likewise.
169 * testsuite/std/ranges/access/data.cc: Likewise.
170 * testsuite/std/ranges/access/empty.cc: Likewise.
171 * testsuite/std/ranges/access/end.cc: Likewise.
172 * testsuite/std/ranges/access/end_neg.cc: Likewise.
173 * testsuite/std/ranges/access/rbegin.cc: Likewise.
174 * testsuite/std/ranges/access/rend.cc: Likewise.
175 * testsuite/std/ranges/access/size.cc: Likewise.
176 * testsuite/std/ranges/access/size_neg.cc: Likewise.
177 * testsuite/std/ranges/headers/ranges/synopsis.cc: New test.
178 * testsuite/std/ranges/range.cc: New test.
179 * testsuite/std/ranges/refinements.cc: New test.
180 * testsuite/std/ranges/sized.cc: New test.
181 * testsuite/util/testsuite_iterators.h: Add aliases for range types.
182 (output_iterator_wrapper::WritableObject::operator=): Add const
183 qualifier so that output_iterator_wrapper satisfies writable.
185 * testsuite/20_util/add_pointer/value.cc: Check void types.
187 * include/bits/range_access.h (__sizable): Rename to __sentinel_size.
188 Remove workaround for PR c++/92268 and remove redundant requirements
189 that are already checked by sized_sentinel_for.
190 * testsuite/std/ranges/access/cend.cc: Fix failures.
191 * testsuite/std/ranges/access/end.cc: Likewise.
193 * include/bits/range_access.h (ranges::begin): Combine array and
194 non-array overloads into one function template. Only use ADL for
196 (ranges::end, ranges::size): Likewise. Make unbounded arrays
198 (ranges::rbegin, ranges::rend): Only use ADL for classes and enums.
199 Reformat _S_noexcept() functions to mirror operator() structure.
200 * testsuite/std/ranges/access/begin.cc: Check incomplete array.
201 * testsuite/std/ranges/access/end_neg.cc: New test.
202 * testsuite/std/ranges/access/size.cc: Check array of incomplete type.
203 * testsuite/std/ranges/access/size_neg.cc: New test.
205 * testsuite/24_iterators/range_access*.cc: Move to ...
206 * testsuite/24_iterators/range_access/range_access*.cc: ... here.
207 * testsuite/24_iterators/range_access/range_access_cpp20_neg.cc: New
210 2019-10-30 Jonathan Wakely <jwakely@redhat.com>
212 * include/std/concepts (std::ranges::swap): Use a single overload for
213 the non-array cases, and switch using if-constexpr.
215 * include/bits/stl_iterator.h (__normal_iterator::iterator_concept):
216 Guard with __cpp_lib_concepts macro.
218 * include/std/bit (__cpp_lib_bitops): Define.
219 * include/std/version (__cpp_lib_constexpr): Remove.
220 (__cpp_lib_bitops, __cpp_lib_constexpr_dynamic_alloc): Define.
221 * testsuite/26_numerics/bit/header.cc: New test.
222 * testsuite/26_numerics/bit/header-2.cc: New test.
223 * testsuite/20_util/allocator_traits/header.cc: New test.
224 * testsuite/20_util/allocator_traits/header-2.cc: New test.
226 * include/bits/stl_iterator.h (namespace __gnu_cxx): Remove
227 using-declarations for std::iterator and std::iterator_traits.
228 (__gnu_cxx::__normal_iterator): Qualify iterator_traits.
229 * include/ext/algorithm (namespace __gnu_cxx): Remove
230 using-declarations for std names and qualify those names when used.
231 Also refer to std::min in parentheses to protect against function-like
233 * include/ext/rc_string_base.h: Qualify iterator_traits.
234 * include/ext/sso_string_base.h: Qualify iterator_traits.
237 * include/bits/stl_bvector.h (_Bit_iterator::pointer)
238 (_Bit_const_iterator::pointer): Define as void for C++20.
239 * include/bits/stl_iterator.h (reverse_iterator::operator->()): Add
240 constraints for C++20.
241 (__normal_iterator::iterator_concept): Define for C++20.
242 * include/bits/streambuf_iterator.h (istreambuf_iterator::pointer):
243 Define as void for C++20.
244 (ostreambuf_iterator::difference_type): Define as ptrdiff_t for C++20.
245 (ostreambuf_iterator::ostreambuf_iterator()): Add default constructor
247 * testsuite/23_containers/vector/bool/iterator_c++20.cc: New test.
248 * testsuite/24_iterators/bidirectional/concept.cc: New test.
249 * testsuite/24_iterators/bidirectional/tag.cc: New test.
250 * testsuite/24_iterators/contiguous/concept.cc: New test.
251 * testsuite/24_iterators/contiguous/tag.cc: New test.
252 * testsuite/24_iterators/forward/concept.cc: New test.
253 * testsuite/24_iterators/forward/tag.cc: New test.
254 * testsuite/24_iterators/input/concept.cc: New test.
255 * testsuite/24_iterators/input/tag.cc: New test.
256 * testsuite/24_iterators/istreambuf_iterator/requirements/typedefs.cc:
258 * testsuite/24_iterators/ostreambuf_iterator/requirements/typedefs.cc:
260 * testsuite/24_iterators/output/concept.cc: New test.
261 * testsuite/24_iterators/output/tag.cc: New test.
262 * testsuite/24_iterators/random_access/concept.cc: New test.
263 * testsuite/24_iterators/random_access/tag.cc: New test.
264 * testsuite/24_iterators/range_operations/advance_debug_neg.cc: New
266 * testsuite/24_iterators/random_access_iterator/26020.cc: Move to ...
267 * testsuite/24_iterators/operations/26020.cc: ... here.
268 * testsuite/24_iterators/random_access_iterator/
269 string_vector_iterators.cc: Move to ...
270 * testsuite/24_iterators/random_access/string_vector_iterators.cc: ...
273 * testsuite/util/testsuite_iterators.h: Fix typo in __cplusplus check.
275 2019-10-29 Jonathan Wakely <jwakely@redhat.com>
277 * include/bits/range_access.h (ranges::disable_sized_range)
278 (ranges::begin, ranges::end, ranges::cbegin, ranges::cend)
279 (ranges::rbegin, ranges::rend, ranges::crbegin, ranges::crend)
280 (ranges::size, ranges::empty, ranges::data, ranges::cdata)
281 (ranges::range, ranges::sized_range, ranges::advance, ranges::distance)
282 (ranges::next, ranges::prev): Guard with __cpp_lib_concepts.
283 * include/bits/stl_iterator.h (disable_sized_sentinel): Likewise.
285 * include/bits/alloc_traits.h (__cpp_lib_constexpr_dynamic_alloc):
287 (allocator_traits::_S_construct, allocator_traits::_S_destroy)
288 (__alloc_on_copy, __alloc_on_move, __alloc_on_swap): Use
289 _GLIBCXX14_CONSTEXPR instead of constexpr.
290 * include/bits/stl_construct.h (_Destroy): Likewise.
292 * include/Makefile.am: Add new header.
293 * include/Makefile.in: Regenerate.
294 * include/bits/iterator_concepts.h: New header.
295 (contiguous_iterator_tag, iter_reference_t, ranges::iter_move)
296 (iter_rvalue_reference_t, incrementable_traits, iter_difference_t)
297 (readable_traits, iter_value_t, readable, iter_common_reference_t)
298 (writable, waekly_incrementable, incrementable)
299 (input_or_output_iterator, sentinel_for, disable_sized_sentinel)
300 (sized_sentinel_for, input_iterator, output_iterator)
301 (forward_iterator, bidirectional_iterator, random_access_iterator)
302 (contiguous_iterator, indirectly_unary_invocable)
303 (indirectly_regular_unary_invocable, indirect_unary_predicate)
304 (indirect_relation, indirect_strict_weak_order, indirect_result_t)
305 (projected, indirectly_movable, indirectly_movable_storable)
306 (indirectly_copyable, indirectly_copyable_storable, ranges::iter_swap)
307 (indirectly_swappable, indirectly_comparable, permutable, mergeable)
308 (sortable, unreachable_sentinel_t, unreachable_sentinel)
309 (default_sentinel_t, default_sentinel): Define.
310 (__detail::__cpp17_iterator, __detail::__cpp17_input_iterator)
311 (__detail::__cpp17_fwd_iterator, __detail::__cpp17_bidi_iterator)
312 (__detail::__cpp17_randacc_iterator): Define.
313 (__iterator_traits): Define constrained specializations.
314 * include/bits/move.h (move): Only use old concept check for C++98.
315 * include/bits/range_access.h (ranges::disable_sized_range)
316 (ranges::begin, ranges::end, ranges::cbegin, ranges::cend)
317 (ranges::rbegin, ranges::rend, ranges::crbegin, ranges::crend)
318 (ranges::size, ranges::empty, ranges::data, ranges::cdata): Define
319 new customization points for C++20.
320 (ranges::range, ranges::sized_range): Define new concepts for C++20.
321 (ranges::advance, ranges::distance, ranges::next, ranges::prev):
322 Define new functions for C++20.
323 (__adl_end, __adl_cdata, __adl_cbegin, __adl_cend, __adl_rbegin)
324 (__adl_rend, __adl_crbegin, __adl_crend, __adl_cdata, __adl_size)
325 (__adl_empty): Remove.
326 * include/bits/stl_iterator.h (disable_sized_sentinel): Specialize
327 for reverse_iterator.
328 * include/bits/stl_iterator_base_types.h (contiguous_iterator_tag):
329 Define new struct for C++20.
330 (iterator_traits<_Tp*>): Constrain partial specialization in C++20.
331 * include/std/concepts (__is_class_or_enum): Move to __detail
333 * testsuite/20_util/forward/c_neg.cc: Adjust dg-error line number.
334 * testsuite/20_util/forward/f_neg.cc: Likewise.
335 * testsuite/24_iterators/associated_types/incrementable.traits.cc: New
337 * testsuite/24_iterators/associated_types/readable.traits.cc: New test.
338 * testsuite/24_iterators/contiguous/concept.cc: New test.
339 * testsuite/24_iterators/contiguous/tag.cc: New test.
340 * testsuite/24_iterators/customization_points/iter_move.cc: New test.
341 * testsuite/24_iterators/customization_points/iter_swap.cc: New test.
342 * testsuite/24_iterators/headers/iterator/synopsis_c++20.cc: New test.
343 * testsuite/24_iterators/range_operations/advance.cc: New test.
344 * testsuite/24_iterators/range_operations/distance.cc: New test.
345 * testsuite/24_iterators/range_operations/next.cc: New test.
346 * testsuite/24_iterators/range_operations/prev.cc: New test.
347 * testsuite/26_numerics/adjacent_difference/requirements/
348 explicit_instantiation/2.cc: Rename types that conflict with C++20
350 * testsuite/26_numerics/adjacent_difference/requirements/
351 explicit_instantiation/pod.cc: Likewise.
352 * testsuite/26_numerics/partial_sum/requirements/
353 explicit_instantiation/2.cc: Likewise.
354 * testsuite/26_numerics/partial_sum/requirements/
355 explicit_instantiation/pod.cc: Likewise.
356 * testsuite/experimental/iterator/requirements.cc: Likewise.
357 * testsuite/std/ranges/access/begin.cc: New test.
358 * testsuite/std/ranges/access/cbegin.cc: New test.
359 * testsuite/std/ranges/access/cdata.cc: New test.
360 * testsuite/std/ranges/access/cend.cc: New test.
361 * testsuite/std/ranges/access/crbegin.cc: New test.
362 * testsuite/std/ranges/access/crend.cc: New test.
363 * testsuite/std/ranges/access/data.cc: New test.
364 * testsuite/std/ranges/access/empty.cc: New test.
365 * testsuite/std/ranges/access/end.cc: New test.
366 * testsuite/std/ranges/access/rbegin.cc: New test.
367 * testsuite/std/ranges/access/rend.cc: New test.
368 * testsuite/std/ranges/access/size.cc: New test.
369 * testsuite/util/testsuite_iterators.h (contiguous_iterator_wrapper)
370 (test_range, test_sized_range): New test utilities.
372 * testsuite/util/testsuite_iterators.h (BoundsContainer::size()): Add
374 (WritableObject::operator=): Constrain with enable_if when available.
375 (remove_cv): Use std::remove_if when available.
376 (test_container::it(int)): Use size().
377 (test_container::size()): Use BoundsContainer::size().
380 * include/bits/stl_deque.h (_Deque_iterator(const _Deque_iterator&)):
381 Do not define as defaulted.
382 * testsuite/23_containers/deque/types/92267.cc: New test.
384 2019-10-26 Gerald Pfeifer <gerald@pfeifer.com>
386 * doc/xml/manual/codecvt.xml: Switch pubs.opengroup.org to https.
387 * doc/xml/manual/locale.xml (LC_ALL): Ditto.
388 * doc/xml/manual/messages.xml: Ditto.
390 2019-10-26 John David Anglin <danglin@gcc.gnu.org>
392 * config/abi/post/hppa-linux-gnu/baseline_symbols.txt: Update.
394 2019-10-25 Jonathan Wakely <jwakely@redhat.com>
396 * testsuite/util/testsuite_iterators.h (output_iterator_wrapper)
397 (input_iterator_wrapper, forward_iterator_wrapper)
398 bidirectional_iterator_wrapper, random_access_iterator_wrapper): Remove
399 user-provided copy constructors and copy assignment operators so they
400 are defined implicitly.
401 (input_iterator_wrapper): Initialize members in default constructor.
402 (forward_iterator_wrapper): Remove assignments to members of base.
404 * include/bits/allocator.h: Check __cpp_constexpr_dynamic_alloc
405 before making the std::allocator destructor constexpr.
406 * testsuite/20_util/allocator/requirements/constexpr.cc: New test.
408 * include/bits/range_cmp.h: Check __cpp_lib_concepts before defining
409 concepts. Fix comment.
410 * include/bits/allocator.h
412 2019-10-25 Gerald Pfeifer <gerald@pfeifer.com>
414 * doc/xml/manual/policy_data_structures_biblio.xml: Switch
415 pubs.opengroup.org to https.
417 2019-10-25 Gerald Pfeifer <gerald@pfeifer.com>
419 * doc/xml/gnu/gpl-3.0.xml: Switch www.gnu.org to https.
421 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
423 * doc/xml/manual/status_cxx2020.xml: Add rows and update status.
425 2019-10-24 Jonathan Wakely <jwakely@redhat.com>
427 * include/bits/allocator.h (allocator<void>): Restore the explicit
428 specialization for C++20, but make its API consistent with the primary
430 (allocator::~allocator()): Restore the destructor for C++20, but make
432 * testsuite/20_util/allocator/rebind_c++20.cc: Check allocator<void>.
433 * testsuite/20_util/allocator/requirements/typedefs_c++20.cc: Likewise.
434 * testsuite/20_util/allocator/void.cc: Check that constructors and
435 destructors are trivial. Check for converting constructor in C++20.
436 * testsuite/ext/malloc_allocator/variadic_construct.cc: Simplify
437 dejagnu target selector.
438 * testsuite/ext/new_allocator/variadic_construct.cc: Likewise.
440 * include/experimental/executor (__use_future_ct, use_future_t):
441 Define partial specializations for std::allocator.
442 (__use_future_ch): Overload constructor for completion tokens using
445 PR libstdc++/88338 Implement P0898R3, C++20 concepts library
446 * doc/xml/manual/status_cxx2020.xml: Update status.
447 * doc/html/*: Regenerate.
448 * testsuite/std/concepts/1.cc: New test.
449 * testsuite/std/concepts/2.cc: New test.
451 * include/bits/random.h (uniform_random_bit_generator): Define for
453 * testsuite/26_numerics/random/concept.cc: New test.
454 * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error line.
456 2019-10-23 Jonathan Wakely <jwakely@redhat.com>
458 * include/std/functional (invoke): Add constexpr for C++20.
459 * include/std/version (__cpp_lib_constexpr_invoke): Define.
460 * testsuite/20_util/function_objects/invoke/constexpr.cc: New test.
462 PR c++/91369 Implement P0784R7 changes to allocation and construction
463 * include/bits/alloc_traits.h: Include <bits/stl_construct.h>.
464 (allocator_traits::_S_allocate, allocator_traits::_S_construct)
465 (allocator_traits::_S_destroy, allocator_traits::_S_max_size)
466 (allocator_traits::_S_select, allocator_traits::allocate)
467 (allocator_traits::deallocate, allocator_traits::construct)
468 (allocator_traits::destroy, allocator_traits::max_size)
469 (allocator_traits::select_on_container_copy_construction)
470 (allocator_traits<allocator<T>>): Add constexpr specifier for C++20.
471 (allocator_traits<allocator<T>>::construct): Use construct_at.
472 (allocator_traits<allocator<T>>::destroy): Use destroy_at.
473 (__alloc_on_copy, __alloc_on_move, __alloc_on_swap): Add constexpr
475 (_Destroy(ForwardIterator, ForwardIterator, Alloc&))
476 (_Destroy(ForwardIterator, ForwardIterator, allocator<T>&)): Move here
477 from <bits/stl_construct.h>.
478 * include/bits/allocator.h (allocator::~allocator): Remove for C++20.
479 (allocator::allocate, allocate::deallocate): Define for C++20 and up.
480 (operator==, operator!=): Add constexpr specifier for C++20.
481 * include/bits/stl_construct.h: Don't include <ext/alloc_traits.h>.
482 (destroy_at): For C++20 add constexpr specifier and support for
484 (construct_at): Define new function for C++20.
485 (_Construct): Return result of placement new-expression. For C++11 and
486 up add constexpr. For C++20 dispatch to std::construct_at during
488 (_Destroy(pointer)): Add constexpr specifier. For C++20 dispatch to
489 std::destroy_at during constant evaluation.
490 (_Destroy_aux::__destroy, _Destroy_n_aux::__destroy_n): Add constexpr
492 (_Destroy(ForwardIterator, ForwardIterator))
493 (_Destroy(ForwardIterator, Size)): Likewise. Do not elide trivial
494 destructors during constant evaluation.
495 (destroy, destroy_n): Add constexpr specifier for C++20.
496 (_Destroy(ForwardIterator, ForwardIterator, Alloc&))
497 (_Destroy(ForwardIterator, ForwardIterator, allocator<T>&)): Move to
498 <bits/alloc_traits.h>, to remove dependency on allocators.
499 * include/bits/stl_uninitialized.h: Include <ext/alloc_traits.h>.
500 Include <bits/stl_pair.h> instead of <utility>.
501 * include/ext/alloc_traits.h: Always include <bits/alloc_traits.h>.
502 (__alloc_traits::construct, __alloc_traits::destroy)
503 (__alloc_traits::_S_select_on_copy, __alloc_traits::_S_on_swap): Add
505 * include/ext/malloc_allocator.h (operator==, operator!=): Add
506 constexpr specifier for C++20.
507 * include/ext/new_allocator.h (operator==, operator!=): Likewise.
508 * testsuite/20_util/headers/memory/synopsis.cc: Add constexpr.
509 * testsuite/20_util/scoped_allocator/69293_neg.cc: Ignore additional
510 errors due to constexpr function called after failed static_assert.
511 * testsuite/20_util/specialized_algorithms/construct_at/1.cc: New test.
512 * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
513 Ignore additional errors due to constexpr function called after failed
515 * testsuite/23_containers/vector/cons/destructible_neg.cc: Likewise.
517 * testsuite/20_util/bind/91371.cc: Fix test to compile as C++11.
519 * include/debug/helper_functions.h (__valid_range): Change
520 _GLIBCXX_CONSTEXPR to _GLIBCXX14_CONSTEXPR.
522 * include/ext/throw_allocator.h (throw_allocator_base): Qualify
523 size_t and ptrdiff_t.
525 * include/ext/pb_ds/detail/bin_search_tree_/bin_search_tree_.hpp:
526 Use detail::rebind_traits.
527 * include/ext/pb_ds/detail/bin_search_tree_/node_iterators.hpp:
529 * include/ext/pb_ds/detail/bin_search_tree_/traits.hpp: Likewise.
530 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp: Likewise.
531 * include/ext/pb_ds/detail/binary_heap_/entry_cmp.hpp: Likewise.
532 * include/ext/pb_ds/detail/binary_heap_/entry_pred.hpp: Likewise.
533 * include/ext/pb_ds/detail/binary_heap_/point_const_iterator.hpp:
535 * include/ext/pb_ds/detail/binomial_heap_base_/binomial_heap_base_.hpp:
537 * include/ext/pb_ds/detail/branch_policy/branch_policy.hpp: Likewise.
538 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp: Likewise.
539 * include/ext/pb_ds/detail/cond_dealtor.hpp: Likewise.
540 * include/ext/pb_ds/detail/eq_fn/hash_eq_fn.hpp (has_eq_fn): Likewise.
541 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp: Likewise.
542 * include/ext/pb_ds/detail/hash_fn/ranged_hash_fn.hpp: Likewise.
543 * include/ext/pb_ds/detail/hash_fn/ranged_probe_fn.hpp: Likewise.
544 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
545 left_child_next_sibling_heap_.hpp: Likewise.
546 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/node.hpp:
548 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
549 point_const_iterator.hpp: Likewise.
550 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp: Likewise.
551 * include/ext/pb_ds/detail/ov_tree_map_/
552 constructors_destructor_fn_imps.hpp: Likewise.
553 * include/ext/pb_ds/detail/ov_tree_map_/node_iterators.hpp: Likewise.
554 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hpp: Likewise.
555 * include/ext/pb_ds/detail/pairing_heap_/pairing_heap_.hpp: Likewise.
556 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp: Likewise.
557 * include/ext/pb_ds/detail/pat_trie_/pat_trie_base.hpp: Likewise.
558 * include/ext/pb_ds/detail/rb_tree_map_/node.hpp: Likewise.
559 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp: Likewise.
560 * include/ext/pb_ds/detail/splay_tree_/node.hpp: Likewise.
561 * include/ext/pb_ds/detail/thin_heap_/thin_heap_.hpp: Likewise.
562 * include/ext/pb_ds/detail/trie_policy/sample_trie_access_traits.hpp:
564 * include/ext/pb_ds/detail/type_utils.hpp: Fix typo in comment.
565 * include/ext/pb_ds/detail/types_traits.hpp (stored_value): Add
566 bool parameter to control whether the hash value is stored.
567 (select_base_type): New class template and partial specialization.
568 (maybe_null_type): Likewise.
569 (rebind_traits): New class template.
570 (type_base): Remove four nearly identical specializations.
571 (type_dispatch): Remove.
572 (type_traits): Use select_base_type and maybe_null_type instead of
573 type_base to control differences between specializations.
574 * include/ext/pb_ds/list_update_policy.hpp: Use detail::rebind_traits.
575 * include/ext/pb_ds/priority_queue.hpp: Likewise.
576 * include/ext/pb_ds/tree_policy.hpp: Likewise.
577 * include/ext/pb_ds/trie_policy.hpp: Likewise.
579 * include/backward/hash_set (hash_set): Use __alloc_traits.
580 * include/backward/hashtable.h (_Hashtable): Likewise.
581 * include/ext/alloc_traits.h (__alloc_traits::allocate): Add overload
583 * include/ext/extptr_allocator.h (_ExtPtr_allocator::allocate): Ignore
585 * include/ext/slist (_Slist_base): Use __alloc_traits.
586 * include/tr1/hashtable.h (_Hashtable): Likewise.
587 * include/tr1/regex (match_results): Use vector::const_reference
588 instead of assuming the allocator defines it.
589 * testsuite/backward/hash_map/23528.cc: Use allocator_traits in C++11.
590 * testsuite/tr1/6_containers/unordered_map/capacity/29134-map.cc: Use
591 __gnu_test::max_size.
592 * testsuite/tr1/6_containers/unordered_multimap/capacity/
593 29134-multimap.cc: Likewise.
594 * testsuite/tr1/6_containers/unordered_multiset/capacity/
595 29134-multiset.cc: Likewise.
596 * testsuite/tr1/6_containers/unordered_set/capacity/29134-set.cc:
599 2019-10-22 Jonathan Wakely <jwakely@redhat.com>
601 * testsuite/util/testsuite_abi.h: Restore use of tr1/unordered_map
602 when compiled as C++98.
604 * include/bits/memoryfwd.h (uses_allocator): Do not declare for C++98.
605 * testsuite/17_intro/names.cc: Check uses_allocator in C++98.
607 * include/bits/alloc_traits.h
608 (allocator_traits<allocator<T>>::allocate): Ignore hint for C++20.
609 (allocator_traits<allocator<T>>::construct): Perform placement new
610 directly for C++20, instead of calling allocator<T>::construct.
611 (allocator_traits<allocator<T>>::destroy): Call destructor directly
612 for C++20, instead of calling allocator<T>::destroy.
613 (allocator_traits<allocator<T>>::max_size): Return value directly
614 for C++20, instead of calling std::allocator<T>::max_size().
615 (__do_alloc_on_copy, __do_alloc_on_move, __do_alloc_on_swap): Do not
616 define for C++17 and up.
617 (__alloc_on_copy, __alloc_on_move, __alloc_on_swap): Use if-constexpr
618 for C++17 and up, instead of tag dispatching.
619 * include/bits/allocator.h (allocator<void>): Remove for C++20.
620 (allocator::pointer, allocator::const_pointer, allocator::reference)
621 (allocator::const_reference, allocator::rebind): Remove for C++20.
622 * include/bits/basic_string.h (basic_string): Use __alloc_traits to
624 * include/bits/memoryfwd.h (allocator<void>): Remove for C++20.
625 * include/ext/debug_allocator.h: Use __alloc_traits for rebinding.
626 * include/ext/malloc_allocator.h (malloc_allocator::~malloc_allocator)
627 (malloc_allocator::pointer, malloc_allocator::const_pointer)
628 (malloc_allocator::reference, malloc_allocator::const_reference)
629 (malloc_allocator::rebind, malloc_allocator::max_size)
630 (malloc_allocator::construct, malloc_allocator::destroy): Do not
632 (malloc_allocator::_M_max_size): Define new function.
633 * include/ext/new_allocator.h (new_allocator::~new_allocator)
634 (new_allocator::pointer, new_allocator::const_pointer)
635 (new_allocator::reference, new_allocator::const_reference)
636 (new_allocator::rebind, new_allocator::max_size)
637 (new_allocator::construct, new_allocator::destroy): Do not
639 (new_allocator::_M_max_size): Define new function.
640 * include/ext/rc_string_base.h (__rc_string_base::_Rep): Use
641 __alloc_traits to rebind allocator.
642 * include/ext/rope (_Rope_rep_base, _Rope_base): Likewise.
643 (rope::rope(CharT, const allocator_type&)): Use __alloc_traits
644 to construct character.
645 * include/ext/slist (_Slist_base): Use __alloc_traits to rebind
647 * include/ext/sso_string_base.h (__sso_string_base::_M_max_size):
649 * include/ext/throw_allocator.h (throw_allocator): Do not use optional
650 members of std::allocator, use __alloc_traits members instead.
651 * include/ext/vstring.h (__versa_string): Use __alloc_traits.
652 * include/ext/vstring_util.h (__vstring_utility): Likewise.
653 * include/std/memory: Include <bits/alloc_traits.h>.
654 * testsuite/20_util/allocator/8230.cc: Use __gnu_test::max_size.
655 * testsuite/20_util/allocator/rebind_c++20.cc: New test.
656 * testsuite/20_util/allocator/requirements/typedefs.cc: Do not check
657 for pointer, const_pointer, reference, const_reference or rebind in
659 * testsuite/20_util/allocator/requirements/typedefs_c++20.cc: New test.
660 * testsuite/23_containers/deque/capacity/29134.cc: Use
661 __gnu_test::max_size.
662 * testsuite/23_containers/forward_list/capacity/1.cc: Likewise.
663 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
664 * testsuite/23_containers/map/capacity/29134.cc: Likewise.
665 * testsuite/23_containers/multimap/capacity/29134.cc: Likewise.
666 * testsuite/23_containers/multiset/capacity/29134.cc: Likewise.
667 * testsuite/23_containers/set/capacity/29134.cc: Likewise.
668 * testsuite/23_containers/vector/capacity/29134.cc: Likewise.
669 * testsuite/ext/malloc_allocator/variadic_construct.cc: Do not run
671 * testsuite/ext/new_allocator/variadic_construct.cc: Likewise.
672 * testsuite/ext/vstring/capacity/29134.cc: Use __gnu_test::max_size.
673 * testsuite/util/replacement_memory_operators.h: Do not assume
674 Alloc::pointer exists.
675 * testsuite/util/testsuite_allocator.h (__gnu_test::max_size): Define
676 helper to call max_size for any allocator.
678 2019-10-22 Andreas Schwab <schwab@suse.de>
680 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
682 2019-10-18 Jonathan Wakely <jwakely@redhat.com>
685 * libsupc++/new_opa.cc (operator new) [__APPLE__]: Increase alignment
686 to at least sizeof(void*).
688 * include/bits/range_cmp.h (ranges::less::operator()): Inline the
689 logic from std::less::operator() to remove the dependency on it.
691 2019-10-17 Jonathan Wakely <jwakely@redhat.com>
693 * doc/doxygen/user.cfg.in (INPUT): Add new C++17 and C++20 headers.
695 * include/Makefile.am: Add new header.
696 * include/Makefile.in: Regenerate.
697 * include/bits/range_cmp.h: New header for C++20 function objects.
698 * include/std/functional: Include new header.
699 * testsuite/20_util/function_objects/identity/1.cc: New test.
700 * testsuite/20_util/function_objects/range.cmp/equal_to.cc: New test.
701 * testsuite/20_util/function_objects/range.cmp/greater.cc: New test.
702 * testsuite/20_util/function_objects/range.cmp/greater_equal.cc: New
704 * testsuite/20_util/function_objects/range.cmp/less.cc: New test.
705 * testsuite/20_util/function_objects/range.cmp/less_equal.cc: New test.
706 * testsuite/20_util/function_objects/range.cmp/not_equal_to.cc: New
710 * include/bits/forward_list.h
711 (_M_move_assign(forward_list&&, false_type)): Do not use
712 __make_move_if_noexcept, instead move unconditionally.
713 * include/bits/stl_deque.h (_M_move_assign2(deque&&, false_type)):
715 * include/bits/stl_list.h (_M_move_assign(list&&, false_type)):
717 * include/bits/stl_vector.h (_M_move_assign(vector&&, false_type)):
719 * testsuite/23_containers/vector/92124.cc: New test.
721 2019-10-16 Jonathan Wakely <jwakely@redhat.com>
723 * include/bits/c++config (_GLIBCXX_BUILTIN_IS_SAME_AS): Define to
724 one of __is_same_as or __is_same when available.
725 * include/std/concepts (__detail::__same_as): Use std::is_same_v.
726 * include/std/type_traits (is_same) [_GLIBCXX_BUILTIN_IS_SAME_AS]:
727 Use new macro instead of __is_same_as.
728 (is_same) [!_GLIBCXX_BUILTIN_IS_SAME_AS]: Restore partial
730 (is_same_v) [_GLIBCXX_BUILTIN_IS_SAME_AS]: Use new macro.
731 (is_same_v) [!_GLIBCXX_BUILTIN_IS_SAME_AS]: Use std::is_same.
733 2019-10-16 François Dumont <fdumont@gcc.gnu.org>
735 * src/c++11/debug.cc (print_field): Replace constness_names <unknown>
736 entry with <unknown constness>. Replace state_names <unknown> entry with
739 2019-10-11 Jonathan Wakely <jwakely@redhat.com>
741 * include/Makefile.am: Add new header.
742 * include/Makefile.in: Regenerate.
743 * include/precompiled/stdc++.h: Include <concepts>.
744 * include/std/concepts: New header for C++20.
745 * include/std/version (__cpp_lib_concepts): Define.
746 * scripts/create_testsuite_files: Look for test files in new std
748 * testsuite/libstdc++-dg/conformance.exp: Likewise.
749 * testsuite/std/concepts/concepts.callable/invocable.cc: New test.
750 * testsuite/std/concepts/concepts.callable/regular_invocable.cc: New
752 * testsuite/std/concepts/concepts.callable/relation.cc: New test.
753 * testsuite/std/concepts/concepts.callable/strictweakorder.cc: New
755 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
756 floating_point.cc: New test.
757 * testsuite/std/concepts/concepts.lang/concept.arithmetic/integral.cc:
759 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
760 signed_integral.cc: New test.
761 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
762 unsigned_integral.cc: New test.
763 * testsuite/std/concepts/concepts.lang/concept.assignable/1.cc: New
765 * testsuite/std/concepts/concepts.lang/concept.common/1.cc: New test.
766 * testsuite/std/concepts/concepts.lang/concept.commonref/1.cc: New
768 * testsuite/std/concepts/concepts.lang/concept.constructible/1.cc:
770 * testsuite/std/concepts/concepts.lang/concept.convertible/1.cc:
772 * testsuite/std/concepts/concepts.lang/concept.copyconstructible/1.cc:
774 * testsuite/std/concepts/concepts.lang/concept.defaultconstructible/
776 * testsuite/std/concepts/concepts.lang/concept.derived/1.cc:
778 * testsuite/std/concepts/concepts.lang/concept.destructible/1.cc:
780 * testsuite/std/concepts/concepts.lang/concept.moveconstructible/1.cc:
782 * testsuite/std/concepts/concepts.lang/concept.same/1.cc:
784 * testsuite/std/concepts/concepts.lang/concept.swappable/swap.cc:
786 * testsuite/std/concepts/concepts.lang/concept.swappable/swappable.cc:
788 * testsuite/std/concepts/concepts.lang/concept.swappable/
789 swappable_with.cc: New test.
790 * testsuite/std/concepts/concepts.object/copyable.cc: New test.
791 * testsuite/std/concepts/concepts.object/movable.cc: New test.
792 * testsuite/std/concepts/concepts.object/regular.cc: New test.
793 * testsuite/std/concepts/concepts.object/semiregular.cc: New test.
795 * include/std/type_traits (is_same): Replace partial specialization
796 by using __is_same_as built-in in primary template.
797 (is_same_v): Use __is_same_as built-in instead of instantiating the
801 * include/tr2/dynamic_bitset (__dynamic_bitset_base): Define all
802 special member functions as defaulted. Add noexcept to most members.
803 (__dynamic_bitset_base(size_t, unsigned long long, const _Alloc&)):
804 Mask off unwanted bits in the __val parameter. Avoid undefined left
806 (__dynamic_bitset_base::_M_assign): Remove.
807 (__dynamic_bitset_base::_M_do_reset): Use std::fill.
808 (__dynamic_bitset_base::_M_are_all_aux): Avoid integer promotion when
809 block_type has lower rank than int.
810 (dynamic_bitset): Add noexcept to most members. Use injected-class-name
811 in return types and parameter types.
812 (dynamic_bitset::_M_Nb): Add default member initializer.
813 (dynamic_bitset(), dynamic_bitset(const dynamic_bitset&)): Define as
815 (dynamic_bitset(dynamic_bitset&&)): Clear source object after move.
816 (dynamic_bitset::operator=(const dynamic_bitset&)): Define as
818 (dynamic_bitset::operator=(dynamic_bitset&&)): Add noexcept-specifier.
819 Define without using swap, to propagate allocator correctly.
820 (dynamic_bitset(const char*, const _Alloc&)): Use strlen.
821 (dynamic_bitset::_M_do_sanitize, dynamic_bitset::_M_do_fill): Use
822 casts to avoid unwanted integer promotions.
823 (dynamic_bitset::_M_copy_from_ptr): Rearrange template parameters and
824 add default template arguments and default argument to simplify usage.
825 (dynamic_bitset::_M_copy_from_string): Adjust call to _M_copy_from_ptr.
826 (operator==(const dynamic_bitset&, const dynamic_bitset&))
827 (operator<(const dynamic_bitset&, const dynamic_bitset&)): Use _M_Nb.
828 * include/tr2/dynamic_bitset.tcc (dynamic_bitset::_M_copy_from_ptr):
829 Adjust template parameters to match declaration.
830 * testsuite/tr2/dynamic_bitset/cmp.cc: New test.
831 * testsuite/tr2/dynamic_bitset/cons.cc: New test.
832 * testsuite/tr2/dynamic_bitset/copy.cc: New test.
833 * testsuite/tr2/dynamic_bitset/move.cc: New test.
834 * testsuite/tr2/dynamic_bitset/pr92059.cc: New test.
836 * include/bits/charconv.h (__to_chars_len): Avoid -Wsign-compare
839 2019-10-10 Jonathan Wakely <jwakely@redhat.com>
842 * src/c++98/locale.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]
843 (find_ldbl_sync_facet): Fix parameter type and missing return.
845 2019-10-09 Marek Polacek <polacek@redhat.com>
847 PR c++/91364 - P0388R4: Permit conversions to arrays of unknown bound.
848 PR c++/69531 - DR 1307: Differently bounded array parameters.
849 PR c++/88128 - DR 330: Qual convs and pointers to arrays of pointers.
850 * testsuite/23_containers/span/lwg3255.cc: Adjust test to match the
851 post-P0388R4 behavior.
853 2019-10-09 Jonathan Wakely <jwakely@redhat.com>
856 * src/c++98/locale.cc (locale::id::_M_id()) [__GTHREADS]: Use atomic
857 compare-exchange or double-checked lock to ensure only one thread sets
858 the _M_index variable.
859 [_GLIBCXX_LONG_DOUBLE_COMPAT]: Call find_ldbl_sync_facet to detect
860 facets that share another facet's ID.
861 [_GLIBCXX_LONG_DOUBLE_COMPAT] (find_ldbl_sync_facet): New function.
864 * src/c++98/locale_init.cc (locale::classic()): Do not construct a new
865 locale object for every call.
866 (locale::_S_initialize_once()): Construct C locale here.
868 2019-10-08 Jonathan Wakely <jwakely@redhat.com>
870 * doc/Makefile.am (doc-html-docbook-regenerate): New target.
871 (${docbook_outdir}/html): Do not create unused 'html/ext' directory.
872 * doc/Makefile.in: Regenerate.
873 * doc/xml/manual/documentation_hacking.xml: Document new target.
874 * doc/html/*: Regenerate.
876 * doc/xml/manual/allocator.xml: Use archived copy of CUJ article.
877 * doc/html/*: Regenerate.
879 2019-10-06 François Dumont <fdumont@gcc.gnu.org>
881 * include/bits/stl_algo.h
882 (__copy_n_a(_IIte, _Size, _OIte)): New.
883 (__copy_n_a(istreambuf_iterator<>, _Size, _CharT*)): New declaration.
884 (__copy_n(_IIte, _Size, _OIte, input_iterator_tag)): Adapt to use
886 * include/bits/streambuf_iterator.h (istreambuf_iterator<>): Declare
887 std::__copy_n_a friend.
888 (__copy_n_a(istreambuf_iterator<>, _Size, _CharT*)): New.
889 * testsuite/25_algorithms/copy_n/istreambuf_iterator/1.cc: New.
890 * testsuite/25_algorithms/copy_n/istreambuf_iterator/1_neg.cc: New.
891 * testsuite/25_algorithms/copy_n/istreambuf_iterator/2_neg.cc: New.
893 * include/bits/stl_iterator_base_types.h (__iterator_category_t): Define
895 (_RequireInputIte): Likewise and use __enable_if_t.
896 * include/std/numeric
897 (__is_random_access_iter): Use __iterator_category_t.
899 * include/bits/stl_algo.h (copy_n): Add __glibcxx_requires_can_increment
901 * testsuite/25_algorithms/copy_n/debug/1_neg.cc: New.
902 * testsuite/25_algorithms/copy_n/debug/2_neg.cc: New.
904 2019-10-04 François Dumont <fdumont@gcc.gnu.org>
906 * include/debug/forward_list
907 (_Sequence_traits<__debug::forward_list<>>::_S_size): Returns __dp_sign
908 distance when not empty.
909 * include/debug/list (_Sequence_traits<__debug::list<>>::_S_size):
911 * include/debug/helper_functions.h (__dp_sign_max_size): New
912 _Distance_precision enum entry.
913 (__valid_range_aux(_IIte, _IIte, _Distance_traits<>::__type,
914 __false_type)): Adapt.
915 * include/debug/safe_iterator.tcc
916 (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator&)): Review
917 distance computation.
919 2019-10-04 Jonathan Wakely <jwakely@redhat.com>
923 * configure.ac: Use AC_SYS_LARGEFILE to enable 64-bit file APIs.
924 * config.h.in: Regenerate:
925 * configure: Regenerate:
926 * include/Makefile.am (${host_builddir}/largefile-config.h): New
927 target to generate config header for filesystem library.
928 (${host_builddir}/c++config.h): Rename macros for large file support.
929 * include/Makefile.in: Regenerate.
930 * src/c++17/fs_dir.cc: Include new config header.
931 * src/c++17/fs_ops.cc: Likewise.
932 (filesystem::file_size): Use uintmax_t for size.
933 * src/filesystem/dir.cc: Include new config header.
934 * src/filesystem/ops.cc: Likewise.
935 (experimental::filesystem::file_size): Use uintmax_t for size.
937 * testsuite/util/testsuite_abi.h: Use std::unordered_map instead of
938 std::tr1::unordered_map.
939 * testsuite/util/testsuite_allocator.h: Likewise.
941 * include/tr1/hashtable.h: Add header for __gnu_cxx::__alloc_traits.
943 * include/tr1/hashtable.h (tr1::_Hashtable::_M_allocate_node): Use
944 __gnu_cxx::__alloc_traits for allocator construct function.
945 (tr1::_Hashtable::_M_deallocate_node): Likewise for destroy function.
947 * include/precompiled/stdc++.h: Include <span> for C++20.
948 * testsuite/17_intro/names.cc: Do not define 'e' for C++20.
950 2019-10-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
952 * include/parallel/multiway_merge.h (_RAIter3): Replace _C by _Cp.
954 2019-10-02 Jonathan Wakely <jwakely@redhat.com>
956 * config/abi/pre/gnu.ver: Tighten up greedy wildcards.
958 * doc/xml/manual/parallel_mode.xml: Add caveat about support for
960 * doc/html/*: Regenerate.
962 2019-10-01 Jonathan Wakely <jwakely@redhat.com>
964 * include/experimental/algorithm (experimental::sample): Qualify call
965 to __sample correctly.
966 * include/parallel/algo.h (sample, for_each_n): Add using-declarations
967 for algorithms that don't have parallel implementations.
969 * include/parallel/algobase.h (equal, lexicographical_compare): Add
970 _GLIBCXX20_CONSTEXPR and dispatch to sequential algorithm when being
972 * include/parallel/algorithmfwd.h (equal, lexicographical_compare):
973 Add _GLIBCXX20_CONSTEXPR.
975 * testsuite/17_intro/using_namespace_std_tr1_neg.cc: Skip test for
977 * testsuite/20_util/hash/84998.cc: Likewise.
978 * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: Likewise.
979 * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: Likewise.
980 * testsuite/23_containers/list/pmr_typedefs_debug.cc: Likewise.
981 * testsuite/23_containers/map/pmr_typedefs_debug.cc: Likewise.
982 * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: Likewise.
983 * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: Likewise.
984 * testsuite/23_containers/set/pmr_typedefs_debug.cc: Likewise.
985 * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc:
987 * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
989 * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
991 * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc:
993 * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
995 * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: Likewise.
996 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
997 * testsuite/25_algorithms/copy/86658.cc: Likewise.
998 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
999 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
1000 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
1001 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
1003 * include/parallel/algo.h: Replace non-reserved names.
1004 * include/parallel/multiway_merge.h: Likewise.
1005 * include/parallel/multiway_mergesort.h: Likewise.
1006 * include/parallel/numericfwd.h: Likewise.
1007 * testsuite/17_intro/names.cc: Add RAI to test macros.
1009 2019-09-30 François Dumont <fdumont@gcc.gnu.org>
1011 * include/debug/array: Add C++20 constexpr to comparison operators.
1012 * testsuite/23_containers/array/tuple_interface/get_debug_neg.cc: Adapt
1013 dg-error line numbers.
1014 * testsuite/23_containers/array/tuple_interface/
1015 tuple_element_debug_neg.cc: Likewise.
1017 2019-09-30 Andreas Tobler <andreast@gcc.gnu.org>
1019 * include/experimental/internet: Include netinet/in.h if we have
1020 _GLIBCXX_HAVE_NETINET_IN_H defined.
1022 * testsuite/ext/special_functions/airy_ai/check_nan.cc: Ignore the
1023 FreeBSD warning about lower advertised precision of tgammal.
1024 * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
1025 * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc: Likewise.
1026 * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc: Likewise.
1027 * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc: Likewise.
1028 * testsuite/special_functions/10_cyl_neumann/check_nan.cc: Likewise.
1029 * testsuite/special_functions/19_sph_bessel/check_nan.cc: Likewise.
1030 * testsuite/special_functions/21_sph_neumann/check_nan.cc: Likewise.
1031 * testsuite/tr1/5_numerical_facilities/special_functions/
1032 08_cyl_bessel_i/check_nan.cc: Likewise.
1033 * testsuite/tr1/5_numerical_facilities/special_functions/
1034 09_cyl_bessel_j/check_nan.cc: Likewise.
1035 * testuite/tr1/5_numerical_facilities/special_functions/
1036 10_cyl_bessel_k/check_nan.cc: Likewise.
1037 * testsuite/tr1/5_numerical_facilities/special_functions/
1038 11_cyl_neumann/check_nan.cc: Likewise.
1039 * testsuite/tr1/5_numerical_facilities/special_functions/
1040 21_sph_bessel/check_nan.cc: Likewise.
1041 * testsuite/tr1/5_numerical_facilities/special_functions/
1042 23_sph_neumann/check_nan.cc: Likewise.
1044 2019-09-30 Jonathan Wakely <jwakely@redhat.com>
1046 * include/std/span (span(element_type(&)[N]))
1047 (span(array<value_type, N>&), span(const array<value_type, N>&)):
1048 Deduce array element type to allow safe const conversions (LWG 3255).
1049 [!_GLIBCXX_P1394] (span(Container&), span(const Container&)): Use
1050 remove_cv_t on arguments to __is_std_span and __is_std_array.
1051 * testsuite/23_containers/span/lwg3255.cc: New test.
1054 * include/parallel/checkers.h (__is_sorted): Remove unused variable.
1056 2019-09-28 François Dumont <fdumont@gcc.gnu.org>
1058 * include/bits/stl_algo.h (merge): Fix documentation.
1059 * include/debug/functions.h (__check_sorted_aux): Add C++20 constexpr.
1060 (__check_sorted): Likewise and remove nested irreflexive check.
1061 (__check_sorted_set_aux, __check_sorted_set): Add C++20 constexpr.
1062 (__check_partitioned_lower, __check_partitioned_upper): Likewise.
1063 (_Irreflexive_checker::_S_is_valid): Likewise.
1064 (__is_irreflexive, __is_irreflexive_pred): Likewise.
1065 * include/debug/helper_functions.h (__get_distance): Add constexpr.
1066 (__valid_range_aux): Add C++20 constexpr.
1067 (__valid_range(_Iter, _Iter, _Distance_traits<_Iter>::__type&)):
1068 Likewise and add std::is_constant_evaluated check.
1069 (__valid_range_aux(_Iter, _Iter, std::input_iterator_tag)): New.
1070 (__valid_range_aux(_Iter, _Iter, std::random_accss_iterator_tag)): New.
1071 (__valid_range_aux(_Integral, _Integral, std::__true_type)): New,
1073 (__valid_range(_Iter, _Iter)): Adapt to use latter, add constexpr and
1074 __builtin_is_contant_evaludated check..
1075 (__can_advance, __base): Add constexpr.
1076 * include/debug/macros.h [_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED]
1077 (_GLIBCXX_DEBUG_VERIFY_COND_AT): New.
1078 (__glibcxx_check_sorted): Use __glibcxx_check_irreflexive.
1079 (__glibcxx_check_sorted_pred): Use __glibcxx_check_irreflexive_pred.
1080 * testsuite/25_algorithms/binary_search/constexpr.cc: Use irreflexive
1082 * testsuite/25_algorithms/is_sorted/constexpr.cc: Likewise.
1083 * testsuite/25_algorithms/merge/constexpr.cc: Fix order in camm. Fix
1084 lambda to be irreflexive.
1086 2019-09-27 Maciej W. Rozycki <macro@wdc.com>
1088 * configure: Regenerate.
1090 2019-09-27 Jonathan Wakely <jwakely@redhat.com>
1093 * src/c++11/debug.cc (_Safe_iterator_base::_M_detach()): Load pointer
1094 atomically and lock the mutex before accessing the sequence.
1095 (_Safe_local_iterator_base::_M_detach()): Likewise.
1096 (_Safe_iterator_base::_M_reset()): Clear _M_sequence atomically.
1098 2019-09-26 Jonathan Wakely <jwakely@redhat.com>
1100 * include/debug/array (to_array): Define for debug mode.
1102 * include/bits/stl_pair.h (pair): Add _GLIBCXX20_CONSTEXPR to
1103 piecewise construction constructor, assignment operators, and swap.
1104 * include/std/tuple (pair::pair(piecewise_construct_t, tuple, tuple)):
1105 Add _GLIBCXX20_CONSTEXPR.
1106 (pair::pair(tuple, tuple, _Index_tuple, _Index_tuple)): Likewise.
1107 * testsuite/20_util/pair/constexpr_assign.cc: New test.
1108 * testsuite/20_util/pair/constexpr_swap.cc: New test.
1110 * include/experimental/internet (operator==, operator<): Fix loop
1111 condition to avoid reading past the end of the array.
1113 * include/std/array: Remove references to profile mode.
1114 * include/std/bitset: Likewise.
1115 * include/std/deque: Likewise.
1116 * include/std/forward_list: Likewise.
1117 * include/std/list: Likewise.
1118 * include/std/map: Likewise.
1119 * include/std/set: Likewise.
1120 * include/std/unordered_map: Likewise.
1121 * include/std/unordered_set: Likewise.
1122 * include/std/vector: Likewise.
1123 * testsuite/17_intro/headers/c++1998/profile_mode.cc: New test.
1124 * testsuite/17_intro/headers/c++2011/profile_mode.cc: New test.
1126 2019-09-25 Jonathan Wakely <jwakely@redhat.com>
1128 * include/bits/regex.h
1129 (basic_regex::assign(const C*, size_t, flag_type)): Add default
1130 argument (LWG 3296).
1131 * testsuite/28_regex/basic_regex/assign/char/lwg3296.cc: New test.
1132 * testsuite/28_regex/basic_regex/assign/wchar_t/lwg3296.cc: New test.
1134 2019-09-24 Jonathan Wakely <jwakely@redhat.com>
1136 * include/std/variant (variant::index()): Remove impossible case.
1139 * testsuite/util/testsuite_hooks.h
1140 (conversion::iterator_to_const_iterator()): Do not return an invalid
1141 iterator. Test direct-initialization and direct-list-initialization
1142 as well as implicit conversion.
1144 2019-09-23 Jonathan Wakely <jwakely@redhat.com>
1146 PR libstdc++/91788 (partial)
1147 * include/std/variant (variant::index()): Improve codegen for cases
1148 where conversion to size_t already works correctly.
1150 2019-09-23 Andreas Schwab <schwab@suse.de>
1152 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
1154 2019-09-12 Jonathan Wakely <jwakely@redhat.com>
1157 * include/bits/stl_algo.h (for_each_n): Fix random access iterator
1159 * testsuite/25_algorithms/for_each/for_each_n.cc: Test with random
1162 2019-09-11 Jonathan Wakely <jwakely@redhat.com>
1164 * python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker.__call__):
1167 * testsuite/20_util/result_of/sfinae_friendly_1.cc: Add -Wno-volatile
1168 for C++2a and up. Define HAS_52748_FIXED and fix incorrect tests.
1169 * testsuite/tr1/3_function_objects/result_of.cc: Add -Wno-volatile
1172 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
1174 * include/std/type_traits (__do_common_type_impl): Implement
1175 additional COND-RES(CREF(D1), CRED(D2)) condition for C++20.
1176 (basic_common_reference, common_reference, common_reference_t): Define
1178 * testsuite/20_util/common_reference/requirements/alias_decl.cc: New
1180 * testsuite/20_util/common_reference/requirements/
1181 explicit_instantiation.cc: New test.
1182 * testsuite/20_util/common_reference/requirements/typedefs.cc: New
1185 * include/std/charconv (to_chars): Rename to __to_chars_i. Define
1186 non-template overloads for each signed and unsigned integer type and
1187 char. Define deleted overload for bool (LWG 3266).
1188 * testsuite/20_util/to_chars/1_neg.cc: Remove.
1189 * testsuite/20_util/to_chars/3.cc: New test.
1190 * testsuite/20_util/to_chars/lwg3266.cc: New test.
1192 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
1194 * acinclude.m4: Handle uclinux*.
1195 * configure: Regenerate.
1196 * configure.host: Handle uclinux*
1198 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
1199 Mickaël Guêné <mickael.guene@st.com>
1201 * libsupc++/eh_personality.cc (get_ttype_entry): Add FDPIC
1204 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
1207 * testsuite/23_containers/span/get_neg.cc: Avoid ambiguity due to
1208 0ul being a valid null pointer constant.
1210 * include/std/type_traits (__remove_cv_t): New alias template.
1211 (is_void, is_integral, is_floating_point, is_pointer)
1212 (is_member_object_pointer, is_member_function_pointer, is_null_pointer)
1213 (is_member_point), __is_signed_integer, __is_unsigned_integer)
1214 (__make_unsigned_selector, __make_signed_selector, remove_pointer)
1215 (__decay_selector): Use __remove_cv_t.
1216 (remove_cv): Add partial specializations for cv-qualified types.
1217 (__decay_t): New alias template.
1218 (__decay_and_strip, __common_type_impl, __result_of_impl): Use
1220 (__enable_if_t): Move earlier in the file.
1221 (_Require): Use __enable_if_t.
1222 (swap(T&, T&)): Use _Require.
1223 (swap(T(&)[N])): Use __enable_if_t.
1225 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
1227 Implement C++20 p1424 - 'constexpr' feature macro concerns,
1228 Issue 3256 - Feature testing macro for constexpr algorithms,
1229 and Issue 3257 - Missing feature testing macro update from P0858.
1230 * include/std/version (__cpp_lib_constexpr_algorithms): Bump value.
1231 * include/bits/algorithmfwd.h: Ditto.
1232 * include/std/utility: Ditto.
1233 * testsuite/25_algorithms/constexpr_macro.cc: Ditto.
1234 * testsuite/25_algorithms/cpp_lib_constexpr.cc: New check for
1235 __cpp_lib_constexpr macro in <algorith>.
1236 * testsuite/20_util/exchange/constexpr.cc: Add check for
1237 __cpp_lib_constexpr macro in <utility>.
1238 * testsuite/25_algorithms/adjacent_find/constexpr.cc: Remove check for
1239 __cpp_lib_constexpr_algorithms.
1240 * testsuite/25_algorithms/all_of/constexpr.cc: Ditto.
1241 * testsuite/25_algorithms/any_of/constexpr.cc: Ditto.
1242 * testsuite/25_algorithms/binary_search/constexpr.cc: Ditto.
1243 * testsuite/25_algorithms/copy/constexpr.cc: Ditto.
1244 * testsuite/25_algorithms/copy_backward/constexpr.cc: Ditto.
1245 * testsuite/25_algorithms/copy_if/constexpr.cc: Ditto.
1246 * testsuite/25_algorithms/copy_n/constexpr.cc: Ditto.
1247 * testsuite/25_algorithms/count/constexpr.cc: Ditto.
1248 * testsuite/25_algorithms/count_if/constexpr.cc: Ditto.
1249 * testsuite/25_algorithms/equal/constexpr.cc: Ditto.
1250 * testsuite/25_algorithms/equal_range/constexpr.cc: Ditto.
1251 * testsuite/25_algorithms/fill/constexpr.cc: Ditto.
1252 * testsuite/25_algorithms/fill_n/constexpr.cc: Ditto.
1253 * testsuite/25_algorithms/find/constexpr.cc: Ditto.
1254 * testsuite/25_algorithms/find_end/constexpr.cc: Ditto.
1255 * testsuite/25_algorithms/find_first_of/constexpr.cc: Ditto.
1256 * testsuite/25_algorithms/find_if/constexpr.cc: Ditto.
1257 * testsuite/25_algorithms/find_if_not/constexpr.cc: Ditto.
1258 * testsuite/25_algorithms/for_each/constexpr.cc: Ditto.
1259 * testsuite/25_algorithms/generate/constexpr.cc: Ditto.
1260 * testsuite/25_algorithms/generate_n/constexpr.cc: Ditto.
1261 * testsuite/25_algorithms/is_heap/constexpr.cc: Ditto.
1262 * testsuite/25_algorithms/is_heap_until/constexpr.cc: Ditto.
1263 * testsuite/25_algorithms/is_partitioned/constexpr.cc: Ditto.
1264 * testsuite/25_algorithms/is_permutation/constexpr.cc: Ditto.
1265 * testsuite/25_algorithms/is_sorted/constexpr.cc: Ditto.
1266 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: Ditto.
1267 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: Ditto.
1268 * testsuite/25_algorithms/lower_bound/constexpr.cc: Ditto.
1269 * testsuite/25_algorithms/merge/constexpr.cc: Ditto.
1270 * testsuite/25_algorithms/mismatch/constexpr.cc: Ditto.
1271 * testsuite/25_algorithms/none_of/constexpr.cc: Ditto.
1272 * testsuite/25_algorithms/partition_copy/constexpr.cc: Ditto.
1273 * testsuite/25_algorithms/partition_point/constexpr.cc: Ditto.
1274 * testsuite/25_algorithms/remove/constexpr.cc: Ditto.
1275 * testsuite/25_algorithms/remove_copy/constexpr.cc: Ditto.
1276 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: Ditto.
1277 * testsuite/25_algorithms/remove_if/constexpr.cc: Ditto.
1278 * testsuite/25_algorithms/replace_copy/constexpr.cc: Ditto.
1279 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: Ditto.
1280 * testsuite/25_algorithms/replace_if/constexpr.cc: Ditto.
1281 * testsuite/25_algorithms/reverse_copy/constexpr.cc: Ditto.
1282 * testsuite/25_algorithms/rotate_copy/constexpr.cc: Ditto.
1283 * testsuite/25_algorithms/search/constexpr.cc: Ditto.
1284 * testsuite/25_algorithms/search_n/constexpr.cc: Ditto.
1285 * testsuite/25_algorithms/set_difference/constexpr.cc: Ditto.
1286 * testsuite/25_algorithms/set_intersection/constexpr.cc: Ditto.
1287 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: Ditto.
1288 * testsuite/25_algorithms/set_union/constexpr.cc: Ditto.
1289 * testsuite/25_algorithms/transform/constexpr.cc: Ditto.
1290 * testsuite/25_algorithms/unique/constexpr.cc: Ditto.
1291 * testsuite/25_algorithms/unique_copy/constexpr.cc: Ditto.
1292 * testsuite/25_algorithms/upper_bound/constexpr.cc: Ditto.
1294 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
1296 Update docs for recent <span> and constexpr lib changes.
1297 * doc/xml/manual/status_cxx2020.xml: Update p0202r3, p0858r0, p0879r0,
1298 p1023r0, p1085r2 status.
1299 * doc/html/manual/status.html: Regenerate.
1301 2019-09-09 Antony Polukhin <antoshkka@gmail.com>
1303 * include/bits/charconv.h (__detail::__to_chars_10_impl): Replace
1304 final offsets with constants.
1306 2019-09-09 Jonathan Wakely <jwakely@redhat.com>
1308 * include/bits/range_access.h (__adl_to_address): Remove.
1309 * include/std/span (__is_base_derived_safe_convertible_v): Replace
1310 with span::__is_compatible.
1311 (__is_std_array_v): Replace with __is_std_array class template and
1312 partial specializations.
1313 (__is_std_array, __is_std_span): New class templates and partial
1315 (span::__is_compatible): New alias template for SFINAE constraints.
1316 (span::span(element_type (&)[N])): Remove redundant constraints. Do
1317 not use __adl_data to obtain a pointer.
1318 (span::span(array<value_type, N>&)): Likewise.
1319 (span::span(const array<value_type, N>&)): Likewise.
1320 [_GLIBCXX_P1394] (span::iter_reference_t, span::iterator_t)
1321 (span::iter_value_t, span::derived_from): New alias templates for
1322 SFINAE constraints, until the equivalents are supported in <concepts>
1324 [_GLIBCXX_P1394] (span::__is_compatible_iterator): New alias template
1325 for SFINAE constraints.
1326 [_GLIBCXX_P1394] (span::is_compatible_range): New class template for
1328 [_GLIBCXX_P1394] (span::span(Range&&)): Improve constraints.
1329 [_GLIBCXX_P1394] (span::span(ContiguousIterator, Sentinel)): Likewise.
1330 Use std::to_address instead of __adl_to_address.
1331 [_GLIBCXX_P1394] (span::span(ContiguousIterator, size_type)): Likewise.
1332 [!_GLIBCXX_P1394] (span::__is_compatible_container): New alias
1333 template for SFINAE constraints.
1334 [!_GLIBCXX_P1394] (span::span(Container&))
1335 (span::span(const Container&)): Improve constraints.
1336 [!_GLIBCXX_P1394] (span::span(pointer, size_type))
1337 (span::span(pointer, pointer)): Remove redundant cast of pointer.
1338 (span(const span<OType, OExtent>&)): New constructor.
1340 2019-09-06 Jonathan Wakely <jwakely@redhat.com>
1342 * include/bits/range_access.h (ssize): Define for C++20.
1343 * testsuite/24_iterators/range_access_cpp20.cc: New test.
1344 * doc/xml/manual/status_cxx2020.xml: Update P1227R2 status.
1345 * doc/html/*: Regenerate.
1347 2019-09-06 Florian Weimer <fweimer@redhat.com>
1349 * configure: Regenerate.
1351 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
1353 * doc/xml/manual/status_cxx2020.xml: Update status for P0122R7 and
1354 P1024R3. Remove entry for P0920R2.
1355 * include/std/span (__cpp_lib_span): Change value.
1356 (__extent_storage, __extent_storage<dynamic_extent>): Remove default
1358 (span): Replace __extent_storage base class with data member.
1359 (span::_S_subspan_extent): New function.
1360 (span::empty()): Add nodiscard attribute.
1361 (span::front, span::back, span::operator[]): Check preconditions.
1362 (span::first, span::last, span::subspan): Add noexcept. Improve
1363 precondition checks (LWG 3103).
1364 (get): Remove redundant condition from static_assert.
1365 (tuple_element<I, span<T, E>>): Fix static_assert message and simplify.
1366 (as_writable_bytes): Add inline specifier.
1367 * include/std/version (__cpp_lib_span): Change value.
1368 * testsuite/23_containers/span/back_neg.cc: Remove stray semi-colon.
1369 * testsuite/23_containers/span/front_neg.cc: Likewise.
1370 * testsuite/23_containers/span/index_op_neg.cc: Likewise.
1371 * testsuite/23_containers/span/last_neg.cc: Improve test.
1372 * testsuite/23_containers/span/subspan_neg.cc: Likewise.
1373 * testsuite/23_containers/span/1.cc: New test.
1374 * testsuite/23_containers/span/2.cc: New test.
1375 * testsuite/23_containers/span/back_assert_neg.cc: New test.
1376 * testsuite/23_containers/span/first_2_assert_neg.cc: New test.
1377 * testsuite/23_containers/span/first_assert_neg.cc: New test.
1378 * testsuite/23_containers/span/first_neg.cc: New test.
1379 * testsuite/23_containers/span/front_assert_neg.cc: New test.
1380 * testsuite/23_containers/span/index_op_assert_neg.cc: New test.
1381 * testsuite/23_containers/span/last_2_assert_neg.cc: New test.
1382 * testsuite/23_containers/span/last_assert_neg.cc: New test.
1383 * testsuite/23_containers/span/subspan_2_assert_neg.cc: New test.
1384 * testsuite/23_containers/span/subspan_3_assert_neg.cc: New test.
1385 * testsuite/23_containers/span/subspan_4_assert_neg.cc: New test.
1386 * testsuite/23_containers/span/subspan_5_assert_neg.cc: New test.
1387 * testsuite/23_containers/span/subspan_6_assert_neg.cc: New test.
1388 * testsuite/23_containers/span/subspan_assert_neg.cc: New test.
1390 2019-09-05 JeanHeyd Meneide <phdofthehouse@gmail.com>
1392 * include/Makefile.am: Add <span> header.
1393 * include/Makefile.in: Regenerate.
1394 * include/bits/range_access.h (__adl_begin, __adl_end, __adl_cbegin)
1395 (__adl_cend, __adl_rbegin, __adl_rend, __adl_crbegin, __adl_crend)
1396 (__adl_data, __adl_cdata, __adl_size, __adl_empty, __adl_to_address):
1397 New functions for performing argument-dependent lookup of range
1398 customization points.
1399 * include/bits/stl_iterator.h (__normal_iterator): Add
1400 _GLIBCXX20_CONSTEXPR to all functions.
1401 * include/std/span: New header.
1402 * include/std/version (__cpp_lib_span): Define feature test macro.
1403 * testsuite/23_containers/span/contiguous_range_neg.cc: New test.
1404 * testsuite/23_containers/span/everything.cc: New test.
1405 * testsuite/23_containers/span/get_neg.cc: New test.
1406 * testsuite/23_containers/span/last_neg.cc: New test.
1407 * testsuite/23_containers/span/subspan_neg.cc: New test.
1408 * testsuite/23_containers/span/tuple_element_dynamic_neg.cc: New test.
1409 * testsuite/23_containers/span/tuple_element_oob_neg.cc: New test.
1410 * testsuite/23_containers/span/tuple_size_neg.cc: New test.
1412 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
1414 * doc/xml/manual/allocator.xml: Remove URL for bibliography entry.
1415 * doc/html/*: Regenerate.
1417 2019-09-04 Mike Crowe <mac@mcrowe.com>
1420 * acinclude.m4 (GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT): Check for new
1421 pthread_cond_clockwait function.
1422 * configure.ac: Use GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT.
1423 * configure: Regenerate.
1424 * config.h.in: Regenerate.
1425 * include/std/condition_variable: (condition_variable): Rename
1426 __steady_clock_t typedef and add system_clock. Change __clock_t to be
1427 a typedef for the preferred clock to convert arbitrary other clocks to.
1428 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (wait_until): Add a steady_clock
1430 (wait_until): Change __clock_t overload to use system_clock.
1431 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (__wait_until_impl): Add
1432 steady_clock overload that calls pthread_cond_clockwait.
1433 (__wait_until_impl): Change __clock_t overload to use system_clock.
1434 (condition_variable_any) [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT]: Use
1435 steady_clock for __clock_t if pthread_cond_clockwait is available.
1437 2019-09-04 Mike Crowe <mac@mcrowe.com>
1439 * testsuite/30_threads/condition_variable/members/2.cc (test01):
1440 Parameterise so that test can be run against an arbitrary clock.
1441 (main): Test using std::chrono::steady_clock and a user-defined
1442 clock in addition to the previous std::chrono::system_clock.
1443 * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
1445 2019-09-03 Ulrich Weigand <uweigand@de.ibm.com>
1447 * crossconfig.m4: Remove references to spu.
1448 * configure: Regenerate.
1449 * doc/xml/manual/appendix_contributing.xml: Remove references
1450 to __ea as "badword" for spu.
1451 * doc/html/manual/source_code_style.html: Regenerate.
1452 * include/tr1/ell_integral.tcc (__ellint_rd): Do not attempt
1453 to avoid __ea (as "badword" for spu).
1454 (__ellint_rj): Likewise.
1456 2019-09-03 Chung-Lin Tang <cltang@codesourcery.com>
1459 * acinclude.m4 (GLIBCXX_CHECK_LINKER_FEATURES): Fix GNU ld --version
1460 scanning to conform to the GNU Coding Standards.
1461 * configure: Regenerate.
1463 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
1465 * src/c++17/memory_resource.cc: Use __constinit keyword.
1467 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
1469 * doc/xml/manual/abi.xml: Document 9.x library versions.
1470 * doc/html/*: Regenerate.
1472 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
1474 * include/std/charconv (__detail::__to_chars_2_len): Use std::log2p1.
1475 (__detail::__to_chars_8_len): Remove.
1476 (__detail::__to_chars_8): Inline length calculation here.
1477 (__detail::__from_chars_binary): Use numeric_limits instead of
1480 2019-09-02 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1482 * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
1483 * config/abi/post/i386-solaris/amd64/baseline_symbols.txt: Likewise.
1484 * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
1485 * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
1488 2019-09-01 François Dumont <fdumont@gcc.gnu.org>
1490 * testsuite_files/util/testsuite_performance.h
1491 (resource_counter::start): Ignore unused malloc(0) result.
1493 2019-09-01 Gerald Pfeifer <gerald@pfeifer.com>
1495 * doc/xml/manual/policy_data_structures_biblio.xml (COM: Component
1496 Model Object Technologies): Adjust name and link.
1498 2019-08-30 Antony Polukhin <antoshkka@gmail.com>
1500 * include/std/charconv (__detail::__to_chars_8)
1501 __detail::__to_chars_16): Replace array of precomputed digits with
1502 arithmetic operations to avoid CPU cache misses. Remove zero
1503 termination from array of digits to allow symbol merge with generic
1504 implementation of __detail::__to_chars. Replace final offsets with
1505 constants. Use __detail::__to_chars_len_2 instead of a generic
1506 __detail::__to_chars_len.
1507 (__detail::__to_chars): Remove zero termination from array of digits.
1508 (__detail::__to_chars_2): Leading digit is always '1'.
1510 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
1512 * testsuite/23_containers/vector/cons/89164_c++17.cc: Fix errors.
1514 2019-08-30 Uros Bizjak <ubizjak@gmail.com>
1516 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
1518 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
1521 * include/bits/stl_algobase.h (__copy_move): Give descriptive names
1522 to template parameters.
1523 * include/bits/stl_uninitialized.h (uninitialized_copy)
1524 (uninitialized_fill, uninitialized_fill_n): Add static assertions to
1525 diagnose invalid uses.
1526 * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
1527 Adjust expected error.
1528 * testsuite/20_util/specialized_algorithms/uninitialized_copy/89164.cc:
1530 * testsuite/20_util/specialized_algorithms/uninitialized_copy_n/
1532 * testsuite/20_util/specialized_algorithms/uninitialized_fill/89164.cc:
1534 * testsuite/20_util/specialized_algorithms/uninitialized_fill_n/
1536 * testsuite/23_containers/vector/cons/89164.cc: New test.
1537 * testsuite/23_containers/vector/cons/89164_c++17.cc: New test.
1539 2019-08-29 Jonathan Wakely <jwakely@redhat.com>
1542 * acinclude.m4 (libtool_VERSION): Bump to 6:28:0.
1543 * configure: Regenerate.
1544 * config/abi/pre/gnu.ver (GLIBCXX_3.4.28): Add new version. Export
1546 * testsuite/27_io/filesystem/iterators/91067.cc: Test move
1548 * testsuite/util/testsuite_abi.cc: Add new symbol version.
1550 2019-08-29 Jakub Jelinek <jakub@redhat.com>
1552 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
1553 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1555 2019-08-28 Jonathan Wakely <jwakely@redhat.com>
1557 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
1558 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
1559 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
1560 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
1561 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
1562 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
1563 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
1565 2019-08-23 Joseph Myers <joseph@codesourcery.com>
1567 * src/filesystem/ops-common.h [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
1568 (std::filesystem::__gnu_posix::lstat): Add return type.
1570 2019-08-20 Jonathan Wakely <jwakely@redhat.com>
1572 * doc/doxygen/user.cfg.in (INPUT): Remove profile mode headers.
1574 * include/std/numeric (reduce): Fix Doxygen markup.
1577 * include/std/type_traits (is_function): Simplify definition. Remove
1578 partial specializations for function types.
1579 (__is_referenceable): Simplify definition.
1580 * testsuite/20_util/bind/91371.cc: New test.
1581 * testsuite/20_util/is_function/91371.cc: New test.
1582 * testsuite/20_util/is_function/value.cc: Check more pointer types.
1583 * testsuite/20_util/is_member_function_pointer/91371.cc: New test.
1584 * testsuite/20_util/is_object/91371.cc: New test.
1586 2019-08-16 Uros Bizjak <ubizjak@gmail.com>
1588 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
1590 2019-08-15 Jonathan Wakely <jwakely@redhat.com>
1593 * include/bits/std_function.h (__check_func_return_type): Remove.
1594 (function::_Callable): Use std::__is_invocable_impl instead of
1595 __check_func_return_type.
1596 * include/std/type_traits (__is_invocable_impl): Add another defaulted
1597 template parameter. Define a separate partial specialization for
1598 INVOKE and INVOKE<void>. For INVOKE<R> replace is_convertible check
1599 with a check that models delayed temporary materialization.
1600 * testsuite/20_util/function/91456.cc: New test.
1601 * testsuite/20_util/is_invocable/91456.cc: New test.
1603 2019-08-14 Jonathan Wakely <jwakely@redhat.com>
1605 * include/std/type_traits (__is_nullptr_t): Add deprecated attribute.
1607 2019-08-14 Edward Smith-Rowland <3dw4rd@verizon.net>
1609 Implement C++20 p0879 - Constexpr for swap and swap related functions.
1610 * include/std/version (__cpp_lib_constexpr_swap_algorithms): New macro.
1611 * include/bits/algorithmfwd.h (__cpp_lib_constexpr_swap_algorithms):
1613 (iter_swap, make_heap, next_permutation, partial_sort_copy, pop_heap)
1614 (prev_permutation, push_heap, reverse, rotate, sort_heap, swap)
1615 (swap_ranges, nth_element, partial_sort, sort): Add constexpr.
1616 * include/bits/move.h (swap): Add constexpr.
1617 * include/bits/stl_algo.h (__move_median_to_first, __reverse, reverse)
1618 (__gcd, __rotate, rotate, __partition, __heap_select)
1619 (__partial_sort_copy, partial_sort_copy, __unguarded_partition)
1620 (__unguarded_partition_pivot, __partial_sort, __introsort_loop, __sort)
1621 (__introselect, __chunk_insertion_sort, next_permutation)
1622 (prev_permutation, partition, partial_sort, nth_element, sort)
1623 (__iter_swap::iter_swap, iter_swap, swap_ranges): Add constexpr.
1624 * include/bits/stl_algobase.h (__iter_swap::iter_swap, iter_swap)
1625 (swap_ranges): Add constexpr.
1626 * include/bits/stl_heap.h (__push_heap, push_heap, __adjust_heap,
1627 __pop_heap, pop_heap, __make_heap, make_heap, __sort_heap, sort_heap):
1629 * include/std/type_traits (swap): Add constexpr.
1630 * testsuite/25_algorithms/headers/algorithm/synopsis.cc: Add constexpr.
1631 * testsuite/25_algorithms/iter_swap/constexpr.cc: New test.
1632 * testsuite/25_algorithms/make_heap/constexpr.cc: New test.
1633 * testsuite/25_algorithms/next_permutation/constexpr.cc: New test.
1634 * testsuite/25_algorithms/nth_element/constexpr.cc: New test.
1635 * testsuite/25_algorithms/partial_sort/constexpr.cc: New test.
1636 * testsuite/25_algorithms/partial_sort_copy/constexpr.cc: New test.
1637 * testsuite/25_algorithms/partition/constexpr.cc: New test.
1638 * testsuite/25_algorithms/pop_heap/constexpr.cc: New test.
1639 * testsuite/25_algorithms/prev_permutation/constexpr.cc: New test.
1640 * testsuite/25_algorithms/push_heap/constexpr.cc: New test.
1641 * testsuite/25_algorithms/reverse/constexpr.cc: New test.
1642 * testsuite/25_algorithms/rotate/constexpr.cc: New test.
1643 * testsuite/25_algorithms/sort/constexpr.cc: New test.
1644 * testsuite/25_algorithms/sort_heap/constexpr.cc: New test.
1645 * testsuite/25_algorithms/swap/constexpr.cc: New test.
1646 * testsuite/25_algorithms/swap_ranges/constexpr.cc: New test.
1648 2019-08-12 Jonathan Wakely <jwakely@redhat.com>
1651 * src/c++17/string-inst.cc: Use _GLIBCXX_USE_CXX11_ABI=1 by default.
1653 * include/std/tuple (__unpack_std_tuple): New variable template and
1654 partial specializations.
1655 (apply, make_from_tuple): Add noexcept-specifier.
1656 * testsuite/20_util/tuple/apply/2.cc: New test.
1657 * testsuite/20_util/tuple/make_from_tuple/2.cc: New test.
1659 2019-08-09 Corentin Gay <gay@adacore.com>
1661 * testsuite/ext/random/beta_distribution/operators/serialize.cc,
1662 testsuite/ext/random/hypergeometric_distribution/operators/serialize.cc,
1663 testsuite/ext/random/normal_mv_distribution/operators/serialize.cc,
1664 testsuite/ext/random/triangular_distribution/operators/serialize.cc,
1665 testsuite/ext/random/von_mises_distribution/operators/serialize.cc:
1666 Add call to `VERIFY`.
1668 2019-08-09 Alexandre Oliva <oliva@adacore.com>
1670 * include/ext/random
1671 (normal_mv_distribution::param_type::param_type): New private
1672 ctor taking a decomposed varcov matrix, for use by...
1673 (operator>>): ... this, befriended.
1674 * include/ext/random.tcc (operator>>): Use it.
1675 (normal_mv_distribution::param_type::_M_init_lower): Adjust
1676 member function name in exception message.
1678 2019-08-08 Jonathan Wakely <jwakely@redhat.com>
1680 P0325R4 to_array from LFTS with updates
1681 * include/experimental/array (to_array): Qualify call to __to_array.
1682 * include/std/array (__cpp_lib_to_array, to_array): Define for C++20.
1683 * include/std/version (__cpp_lib_to_array): Likewise.
1684 * testsuite/23_containers/array/creation/1.cc: New test.
1685 * testsuite/23_containers/array/creation/2.cc: New test.
1686 * testsuite/23_containers/array/creation/3_neg.cc: New test.
1687 * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
1688 Use zero for dg-error line number.
1690 2019-08-06 Jonathan Wakely <jwakely@redhat.com>
1692 P1651R0 bind_front should not unwrap reference_wrapper
1693 * include/std/functional (bind_front): Don't unwrap reference_wrapper.
1694 * include/std/version (__cpp_lib_bind_front): Update value.
1695 * testsuite/20_util/function_objects/bind_front/1.cc: Fix test for
1697 * testsuite/20_util/function_objects/bind_front/2.cc: New test.
1699 * include/std/numbers [!__STRICT_ANSI__ && _GLIBCXX_USE_FLOAT128]
1700 (e_v, log2e_v, log10e_v, pi_v, inv_pi_v, inv_sqrtpi_v, ln2_v, ln10_v)
1701 (sqrt2_v, sqrt3_v, inv_sqrt3, egamma_v, phi_v): Add explicit
1702 specializations for __float128.
1703 * testsuite/26_numerics/numbers/float128.cc: New test.
1705 2019-08-04 Gerald Pfeifer <gerald@pfeifer.com>
1707 * doc/xml/manual/documentation_hacking.xml: doxygen.org is now
1710 2019-08-01 Edward Smith-Rowland <3dw4rd@verizon.net>
1712 Implement C++20 p0202 - Add Constexpr Modifiers to Functions
1713 in <algorithm> and <utility> Headers.
1714 Implement C++20 p1023 - constexpr comparison operators for std::array.
1715 * include/bits/algorithmfwd.h (all_of, any_of, binary_search, copy,
1716 copy_backward, copy_if, copy_n, equal_range, fill, find_end,
1717 find_if_not, includes, is_heap, is_heap_until, is_partitioned,
1718 is_permutation, is_sorted, is_sorted_until, iter_swap, lower_bound,
1719 none_of, partition_copy, partition_point, remove, remove_if,
1720 remove_copy, remove_copy_if, replace_copy, replace_copy_if,
1721 reverse_copy, rotate_copy, uunique, upper_bound, adjacent_find, count,
1722 count_if, equal, find, find_first_of, find_if, for_each, generate,
1723 generate_n, lexicographical_compare, merge, mismatch, replace,
1724 replace_if, search, search_n, set_difference, set_intersection,
1725 set_symmetric_difference, set_union, transform, unique_copy):
1727 * include/bits/cpp_type_traits.h (__miter_base): Mark constexpr.
1728 * include/bits/predefined_ops.h (_Iter_less_val::operator(),
1729 _Val_less_iter::operator(), _Iter_equal_to_iter::operator(),
1730 _Iter_equal_to_val::operator(), _Iter_equals_val::operator()):
1731 Use const ref instead of ref arg;
1732 (_Iter_less_val, __iter_less_val, _Val_less_iter, __val_less_iter,
1733 __iter_equal_to_iter, __iter_equal_to_val, __iter_comp_val,
1734 _Iter_comp_val, _Val_comp_iter, __val_comp_iter, __iter_equals_val,
1735 _Iter_equals_iter, __iter_comp_iter, _Iter_pred, __pred_iter,
1736 _Iter_comp_to_val, __iter_comp_val, _Iter_comp_to_iter,
1737 __iter_comp_iter): Mark constexpr.
1738 * include/bits/stl_algo.h (__find_if, __find_if_not, __find_if_not_n,
1739 __search, __search_n_aux, __search_n, __find_end, find_end, all_of,
1740 none_of, any_of, find_if_not, is_partitioned, partition_point,
1741 __remove_copy_if, remove_copy, remove_copy_if, copy_if, __copy_n,
1742 copy_n, partition_copy, __remove_if, remove, remove_if, __adjacent_find,
1743 __unique, unique, __unique_copy, reverse_copy, rotate_copy,
1744 __unguarded_linear_insert, __insertion_sort, __unguarded_insertion_sort,
1745 __final_insertion_sort, lower_bound, __upper_bound, upper_bound,
1746 __equal_range, equal_range, binary_search, __includes, includes,
1747 __next_permutation, __prev_permutation, __replace_copy_if, replace_copy,
1748 replace_copy_if, __count_if, is_sorted, __is_sorted_until,
1749 is_sorted_until, __is_permutation, is_permutation, for_each, find,
1750 find_if, find_first_of, adjacent_find, count, count_if, search,
1751 search_n, transform, replace, replace_if, generate, generate_n,
1752 unique_copy, __merge, merge, __set_union, set_union, __set_intersection,
1753 set_intersection, __set_difference, set_difference,
1754 __set_symmetric_difference, set_symmetric_difference): Mark constexpr.
1755 * include/bits/stl_algobase.h (__memmove, __memcmp): New maybe constexpr
1756 wrappers around __builtin_memmove and __builtin_memcmp
1758 (__niter_base, __niter_wrap, __copy_m, __copy_move_a, __copy_move_a2,
1759 copy, move, __copy_move_b, __copy_move_backward_a,
1760 __copy_move_backward_a2, copy_backward, move_backward, __fill_a, fill,
1761 __fill_n_a, fill_n, equal, __lc_rai::__newlast1, __lc_rai::__cnd2,
1762 __lexicographical_compare_impl, __lexicographical_compare,
1763 __lexicographical_compare<true>::__lc, __lexicographical_compare_aux,
1764 __lower_bound, lower_bound, equal, __equal4, lexicographical_compare,
1765 __mismatch, mismatch, __is_heap_until, __is_heap, is_heap_until,
1766 is_heap): Mark constexpr.
1767 * include/bits/stl_heap.h (__is_heap_until, __is_heap, is_heap_until,
1768 is_heap): Mark constexpr.
1769 * include/bits/stl_iterator.h (__niter_base, __miter_base): Mark constexpr.
1770 * include/std/array: Make comparison ops constexpr.
1771 * include/std/utility: Make exchange constexpr.
1772 * include/std/version (__cpp_lib_constexpr_algorithms): New macro.
1773 * testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust.
1774 * testsuite/23_containers/array/tuple_interface/
1775 tuple_element_neg.cc: Adjust.
1776 * testsuite/20_util/exchange/constexpr.cc: New.
1777 * testsuite/23_containers/array/comparison_operators/constexpr.cc: New.
1778 * testsuite/25_algorithms/constexpr_macro.cc: New.
1779 * testsuite/25_algorithms/adjacent_find/constexpr.cc: New.
1780 * testsuite/25_algorithms/all_of/constexpr.cc: New.
1781 * testsuite/25_algorithms/any_of/constexpr.cc: New.
1782 * testsuite/25_algorithms/binary_search/constexpr.cc: New.
1783 * testsuite/25_algorithms/copy/constexpr.cc: New.
1784 * testsuite/25_algorithms/copy_backward/constexpr.cc: New.
1785 * testsuite/25_algorithms/copy_if/constexpr.cc: New.
1786 * testsuite/25_algorithms/copy_n/constexpr.cc: New.
1787 * testsuite/25_algorithms/count/constexpr.cc: New.
1788 * testsuite/25_algorithms/count_if/constexpr.cc: New.
1789 * testsuite/25_algorithms/equal/constexpr.cc: New.
1790 * testsuite/25_algorithms/equal_range/constexpr.cc: New.
1791 * testsuite/25_algorithms/fill/constexpr.cc: New.
1792 * testsuite/25_algorithms/fill_n/constexpr.cc: New.
1793 * testsuite/25_algorithms/find/constexpr.cc: New.
1794 * testsuite/25_algorithms/find_end/constexpr.cc: New.
1795 * testsuite/25_algorithms/find_first_of/constexpr.cc: New.
1796 * testsuite/25_algorithms/find_if/constexpr.cc: New.
1797 * testsuite/25_algorithms/find_if_not/constexpr.cc: New.
1798 * testsuite/25_algorithms/for_each/constexpr.cc: New.
1799 * testsuite/25_algorithms/generate/constexpr.cc: New.
1800 * testsuite/25_algorithms/generate_n/constexpr.cc: New.
1801 * testsuite/25_algorithms/is_heap/constexpr.cc: New.
1802 * testsuite/25_algorithms/is_heap_until/constexpr.cc: New.
1803 * testsuite/25_algorithms/is_partitioned/constexpr.cc: New.
1804 * testsuite/25_algorithms/is_permutation/constexpr.cc: New.
1805 * testsuite/25_algorithms/is_sorted/constexpr.cc: New.
1806 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: New.
1807 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: New.
1808 * testsuite/25_algorithms/lower_bound/constexpr.cc: New.
1809 * testsuite/25_algorithms/merge/constexpr.cc: New.
1810 * testsuite/25_algorithms/mismatch/constexpr.cc: New.
1811 * testsuite/25_algorithms/none_of/constexpr.cc: New.
1812 * testsuite/25_algorithms/partition_copy/constexpr.cc: New.
1813 * testsuite/25_algorithms/partition_point/constexpr.cc: New.
1814 * testsuite/25_algorithms/remove/constexpr.cc: New.
1815 * testsuite/25_algorithms/remove_copy/constexpr.cc: New.
1816 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: New.
1817 * testsuite/25_algorithms/remove_if/constexpr.cc: New.
1818 * testsuite/25_algorithms/replace_copy/constexpr.cc: New.
1819 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: New.
1820 * testsuite/25_algorithms/replace_if/constexpr.cc: New.
1821 * testsuite/25_algorithms/reverse_copy/constexpr.cc: New.
1822 * testsuite/25_algorithms/rotate_copy/constexpr.cc: New.
1823 * testsuite/25_algorithms/search/constexpr.cc: New.
1824 * testsuite/25_algorithms/search_n/constexpr.cc: New.
1825 * testsuite/25_algorithms/set_difference/constexpr.cc: New.
1826 * testsuite/25_algorithms/set_intersection/constexpr.cc: New.
1827 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: New.
1828 * testsuite/25_algorithms/set_union/constexpr.cc: New.
1829 * testsuite/25_algorithms/transform/constexpr.cc: New.
1830 * testsuite/25_algorithms/unique/constexpr.cc: New.
1831 * testsuite/25_algorithms/unique_copy/constexpr.cc: New.
1832 * testsuite/25_algorithms/upper_bound/constexpr.cc: New.
1834 2019-07-31 Jonathan Wakely <jwakely@redhat.com>
1836 * include/std/memory (make_obj_using_allocator): Qualify call to
1837 uses_allocator_construction_args.
1839 P0631R4 Math Constants
1840 * include/Makefile.am: Add new header.
1841 * include/Makefile.in: Regenerate.
1842 * include/precompiled/stdc++.h: Include new header.
1843 * include/std/numbers: New header.
1844 * include/std/version (__cpp_lib_math_constants): Define.
1845 * testsuite/26_numerics/numbers/1.cc: New test.
1846 * testsuite/26_numerics/numbers/2.cc: New test.
1847 * testsuite/26_numerics/numbers/3.cc: New test.
1848 * testsuite/26_numerics/numbers/nonfloat_neg.cc: New test.
1850 * include/std/bit: Add Doxygen comments.
1853 * include/bits/unique_ptr.h (unique_ptr::__safe_conversion_up): Remove
1854 constraints on deleter that should only apply to the constructor.
1855 (unique_ptr<T[], D>::__safe_conversion_up): Likewise.
1856 (unique_ptr<T[], D>::unique_ptr(unique_ptr<U, D>&&)): Restore
1857 constraints on deleter here.
1858 * testsuite/20_util/unique_ptr/assign/91308.cc: New test.
1860 2019-07-29 Jonathan Wakely <jwakely@redhat.com>
1863 * libsupc++/cxxabi.h (__gnu_cxx::recursive_init_error): Do not define
1865 * libsupc++/guard_error.cc (__gnu_cxx::recursive_init_error): Define
1867 * testsuite/18_support/51333.cc: New test.
1869 2019-07-28 Gerald Pfeifer <gerald@pfeifer.com>
1871 * doc/xml/manual/documentation_hacking.xml: Fix broken reference
1872 to the Doxygen manual. Avoid a "here" link on the way.
1873 Fix another broken link to Doxygen docblocks.
1875 2019-07-26 Jonathan Wakely <jwakely@redhat.com>
1877 * include/std/bit (__cpp_lib_endian): Define.
1878 * include/std/version (__cpp_lib_endian): Define.
1879 * testsuite/26_numerics/endian/2.cc: New.
1880 * testsuite/26_numerics/endian/3.cc: New.
1881 * testsuite/26_numerics/endian/4.cc: New.
1883 2019-07-26 François Dumont <fdumont@gcc.gnu.org>
1885 * testsuite/util/testsuite_iterators.h
1886 (bidirectional_iterator_wrapper): Fix type comment.
1887 (random_access_iterator_wrapper): Likewise.
1889 2019-07-25 Jonathan Wakely <jwakely@redhat.com>
1891 * include/std/bit (endian): Move definition here as per P1612R1.
1892 * include/std/type_traits (endian): Remove definition from here.
1893 * testsuite/20_util/endian/1.cc: Rename to ...
1894 * testsuite/26_numerics/endian/1.cc: ... here. Adjust header.
1896 2019-07-25 Martin Liska <mliska@suse.cz>
1897 Dominik Infuhr <dominik.infuehr@theobroma-systems.com>
1900 * testsuite/ext/bitmap_allocator/check_delete.cc: Add
1901 -fno-allocation-dce.
1902 * testsuite/ext/bitmap_allocator/check_new.cc: Likewise.
1903 * testsuite/ext/new_allocator/check_delete.cc: Likewise.
1904 * testsuite/ext/new_allocator/check_new.cc: Likewise.
1906 2019-07-22 Jonathan Wakely <jwakely@redhat.com>
1908 * testsuite/26_numerics/bit/bitops.count/*: Rename to ...
1909 * testsuite/26_numerics/bit/bit.count/*: Here.
1911 * include/std/bit (__rotl, __rotr): Change second parameter from
1912 unsigned int to int and handle negative values.
1913 (rotl, rotr): Remove check for __STRICT_ANSI__. Change second
1914 parameter from unsigned int to int. Add nodiscard attribute.
1915 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Rename to ...
1916 * testsuite/26_numerics/bit/bit.rotate/rotl.cc: Here. Test negative
1918 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Rename to ...
1919 * testsuite/26_numerics/bit/bit.rotate/rotr.cc: Here. Test negative
1922 * include/std/bit (__ceil2): Make unrepresentable results undefined,
1923 as per P1355R2. Add debug assertion. Perform one left shift, not two,
1924 so that out of range values cause undefined behaviour. Ensure that
1925 shift will still be undefined if left operand is promoted.
1926 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Replace checks for
1927 unrepresentable values with checks that they are not core constant
1929 * testsuite/26_numerics/bit/bit.pow.two/ceil2_neg.cc: New test.
1931 2019-07-19 François Dumont <fdumont@gcc.gnu.org>
1933 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): Fix
1934 sized deallocation size computation.
1936 2019-07-19 Andreas Schwab <schwab@linux-m68k.org>
1938 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
1940 2019-07-18 François Dumont <fdumont@gcc.gnu.org>
1942 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): New.
1943 (~_Temporary_buffer()): Use latter.
1944 (_Temporary_buffer(_FIterator, size_type)): Likewise.
1946 2019-07-17 Andreas Schwab <schwab@suse.de>
1948 * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
1950 2019-07-16 Jason Merrill <jason@redhat.com>
1952 * include/std/memory (uses_allocator_construction_args): Add parens
1955 2019-07-12 Jonathan Wakely <jwakely@redhat.com>
1957 * testsuite/29_atomics/atomic_float/1.cc: Fix comment.
1959 * include/experimental/string_view (__detail::__idt): Remove.
1960 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1961 Use __type_identity_t instead of __detail::__idt;
1962 * include/std/string_view (__detail::__idt): Remove.
1963 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1964 Use __type_identity_t instead of __detail::__idt;
1965 * include/std/type_traits (__type_identity_t): New alias template.
1967 * doc/xml/manual/status_cxx2020.xml: Update status for atomic_ref
1968 and floating point atomics.
1970 2019-07-11 Jonathan Wakely <jwakely@redhat.com>
1972 * doc/xml/manual/configure.xml: Improve documentation of
1973 --enable-libstdcxx-time option.
1975 * include/bits/atomic_base.h (__atomic_impl): New namespace for
1976 wrappers around atomic built-ins.
1977 (__atomic_float, __atomic_ref): New class templates for use as base
1979 * include/std/atomic (atomic<float>, atomic<double>)
1980 (atomic<long double>): New explicit specializations.
1981 (atomic_ref): New class template.
1982 (__cpp_lib_atomic_ref): Define.
1983 * include/std/version (__cpp_lib_atomic_ref): Define.
1984 * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error.
1985 * testsuite/29_atomics/atomic_float/1.cc: New test.
1986 * testsuite/29_atomics/atomic_float/requirements.cc: New test.
1987 * testsuite/29_atomics/atomic_ref/deduction.cc: New test.
1988 * testsuite/29_atomics/atomic_ref/float.cc: New test.
1989 * testsuite/29_atomics/atomic_ref/generic.cc: New test.
1990 * testsuite/29_atomics/atomic_ref/integral.cc: New test.
1991 * testsuite/29_atomics/atomic_ref/pointer.cc: New test.
1992 * testsuite/29_atomics/atomic_ref/requirements.cc: New test.
1994 2019-07-06 Jonathan Wakely <jwakely@redhat.com>
1996 * include/ext/atomicity.h (__exchange_and_add, __atomic_add): Replace
1997 throw() with _GLIBCXX_NOTHROW.
1998 (__atomic_add_dispatch): Return after performing atomic increment.
2000 2019-07-05 Jonathan Wakely <jwakely@redhat.com>
2002 * include/ext/atomicity.h [_GLIBCXX_ATOMIC_BUILTINS] (__atomic_add)
2003 (__exchange_and_add): Replace static specifier with always_inline
2005 (__exchange_and_add_single, __atomic_add_single): Likewise.
2006 (__exchange_and_add_dispatch, __atomic_add_dispatch): Likewise. Also
2007 combine !__gthread_active_p() and !__GTHREADS branches.
2009 2019-07-03 Jonathan Wakely <jwakely@redhat.com>
2012 * acinclude.m4 (libtool_VERSION): Bump to 6:27:0.
2013 * configure: Regenerate.
2014 * config/abi/pre/gnu.ver (GLIBCXX_3.4.27): Add new version. Export
2016 * testsuite/27_io/filesystem/iterators/91067.cc: New test.
2017 * testsuite/util/testsuite_abi.cc: Add new symbol version.
2019 2019-07-02 Jonathan Wakely <jwakely@redhat.com>
2021 * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_LAUNDER)
2022 (_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED): Use __has_builtin
2023 instead of __is_identifier to detect Clang support.
2025 2019-07-02 Jim Wilson <jimw@sifive.com>
2027 * configure.ac (BUILD_PDF): Also test for doxygen, dot, xsltproc,
2029 * configure: Regenerate.
2031 2019-06-27 Jonathan Wakely <jwakely@redhat.com>
2034 * src/c++17/fs_path.cc (filesystem_error::_Impl): Use a string_view
2035 for the what_arg parameters.
2036 (filesystem_error::filesystem_error): Pass system_error::what() to
2037 the _Impl constructor.
2038 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Ensure that
2039 filesystem_error::what() contains system_error::what().
2041 2019-06-26 Jonathan Wakely <jwakely@redhat.com>
2043 * include/std/charconv (chars_format): Define bitmask type.
2044 * testsuite/20_util/to_chars/chars_format.cc: New test.
2046 * include/bits/fs_path.h (path::__is_encoded_char): Use __is_one_of.
2047 * include/std/bit (_If_is_unsigned_integer_type): Remove.
2048 (_If_is_unsigned_integer): Use __is_unsigned_integer.
2049 (rotl(byte, unsigned), rotr(byte, unsigned), countl_zero(byte))
2050 (countl_one(byte), countr_zero(byte), countr_one(byte))
2051 (popcount(byte), ispow2(byte), ceil2(byte), floor2(byte))
2052 (log2p1(byte)): Remove.
2053 * include/std/charconv (__detail::__is_one_of): Move to <type_traits>.
2054 (__detail::__is_int_to_chars_type): Remove.
2055 (__detail::__integer_to_chars_result_type): Use __is_signed_integer
2056 and __is_unsigned_integer.
2057 * include/std/type_traits (__is_one_of): Move here from <charconv>.
2058 (__is_signed_integer, __is_unsigned_integer): New helpers.
2059 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Remove test for
2061 * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: Likewise.
2062 * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: Likewise.
2063 * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: Likewise.
2064 * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Likewise.
2065 * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
2066 * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
2067 * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
2068 * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
2069 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Likewise.
2070 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Likewise.
2072 2019-06-25 Jonathan Wakely <jwakely@redhat.com>
2074 * include/std/numeric (midpoint(T, T)): Avoid std::abs in constexpr
2077 2019-06-25 Jakub Jelinek <jakub@redhat.com>
2079 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
2080 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
2081 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
2082 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
2084 2019-06-24 Jonathan Wakely <jwakely@redhat.com>
2086 * include/std/numeric (midpoint(T, T)): Change implementation for
2087 floating-point types to avoid incorrect rounding of denormals.
2088 * testsuite/26_numerics/midpoint/floating.cc: Add check for correct
2089 rounding with denormals.
2090 * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line numbers.
2091 * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
2093 * testsuite/18_support/headers/cfloat/values_c++17.cc: New test.
2095 2019-06-20 Jonathan Wakely <jwakely@redhat.com>
2097 * acinclude.m4 (GLIBCXX_ENABLE_DEBUG): Only do debug build for final
2099 * configure: Regenerate.
2101 * include/std/variant (_Variant_storage, _Extra_visit_slot_needed):
2102 Qualify calls to __never_valueless.
2104 * doc/xml/manual/status_cxx2017.xml: Fix outdated reference to
2105 C++17 working draft.
2107 * testsuite/libstdc++-prettyprinters/simple.cc: Use non-palindromic
2108 vector<bool> for test.
2109 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
2111 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
2113 * include/bits/stream_iterator.h (istream_iterator::_M_equal()): Make
2115 (istream_iterator::_M_read()): Do not check stream state before
2116 attempting extraction. Set stream pointer to null when extraction
2118 (operator==(const istream_iterator&, const istream_iterator&)): Change
2119 to be a hidden friend of istream_iterator.
2120 (operator!=(const istream_iterator&, const istream_iterator&)):
2122 (ostream_iterator::ostream_iterator()): Add default constructor.
2123 (ostream_iterator::ostream_iterator(ostream_type*, const C*)): Use
2125 * testsuite/24_iterators/istream_iterator/1.cc: New test.
2126 * testsuite/24_iterators/ostream_iterator/1.cc: New test.
2127 * testsuite/24_iterators/ostream_iterator/70766.cc: Also check
2128 constructor taking a string.
2129 * testsuite/24_iterators/ostream_iterator/requirements/constexpr.cc:
2132 2019-06-19 Michael Weghorn <m.weghorn@posteo.de>
2133 Jonathan Wakely <jwakely@redhat.com>
2136 * python/libstdcxx/v6/printers.py (StdVectorPrinter._iterator): Use
2137 values of type bool for vector<bool> elements.
2138 * testsuite/libstdc++-prettyprinters/simple.cc: Test vector<bool>.
2139 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
2141 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
2143 PR libstdc++/90920 partially revert r263433
2144 * include/bits/stl_algo.h (__rotate): Restore checks for empty ranges.
2145 (rotate): Remove checks.
2146 * testsuite/25_algorithms/rotate/90920.cc: New test.
2148 * include/std/numeric (reduce(Iter, Iter, T, BinOp)): Fix value
2149 category used in invocable check.
2150 (reduce(Iter, Iter, T)): Pass initial value as rvalue.
2151 * testsuite/26_numerics/reduce/2.cc: New test.
2153 2019-06-18 Jonathan Wakely <jwakely@redhat.com>
2155 * include/bits/algorithmfwd.h: Change title of doc group.
2156 * include/bits/stl_algo.h (for_each_n): Add new C++17 algorithm from
2158 * include/bits/stl_numeric.h: Define doc group and add algos to it.
2159 * include/std/numeric (__is_random_access_iter): New internal trait.
2160 (reduce, transform_reduce, exclusive_scan, inclusive_scan)
2161 (transform_exclusive_scan, transform_inclusive_scan): Likewise.
2162 * testsuite/25_algorithms/for_each/for_each_n.cc: New test.
2163 * testsuite/26_numerics/exclusive_scan/1.cc: New test.
2164 * testsuite/26_numerics/inclusive_scan/1.cc: New test.
2165 * testsuite/26_numerics/reduce/1.cc: New test.
2166 * testsuite/26_numerics/transform_exclusive_scan/1.cc: New test.
2167 * testsuite/26_numerics/transform_inclusive_scan/1.cc: New test.
2168 * testsuite/26_numerics/transform_reduce/1.cc: New test.
2169 * testsuite/util/testsuite_iterators.h (test_container::size()): New
2172 * include/c_global/cstddef (std::byte): Perform arithmetic operations
2173 in unsigned int to avoid promotion (LWG 2950).
2175 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
2177 * testsuite/20_util/allocator/1.cc: Add sized delete, which fixes a
2180 * include/c_global/cmath (__lerp, lerp): Add noexcept (LWG 3201).
2182 PR libstdc++/90281 Fix string conversions for filesystem::path
2183 * include/bits/fs_path.h (u8path) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
2184 Use codecvt_utf8_utf16 instead of codecvt_utf8. Use
2185 __str_codecvt_in_all to fail for partial conversions and throw on
2187 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS && _GLIBCXX_USE_CHAR8_T]
2188 (path::_Cvt<char8_t>): Add explicit specialization.
2189 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Remove
2191 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
2192 if-constexpr instead of dispatching to _S_wconvert. Use codecvt
2193 instead of codecvt_utf8. Use __str_codecvt_in_all and
2194 __str_codecvt_out_all.
2195 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
2196 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
2197 (path::_S_str_convert) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
2198 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
2199 with allocator. Use __str_codecvt_out_all. Fallthrough to POSIX code
2200 after converting to UTF-8.
2201 (path::_S_str_convert): Use codecvt instead of codecvt_utf8. Use
2202 __str_codecvt_in_all.
2203 (path::string): Fix initialization of string types with different
2205 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
2206 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
2207 * include/bits/locale_conv.h (__do_str_codecvt): Reorder static and
2209 (__str_codecvt_out_all, __str_codecvt_in_all): New functions that
2210 return false for partial conversions.
2211 * include/experimental/bits/fs_path.h (u8path):
2212 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Implement correctly for mingw.
2213 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Add
2214 missing handling for char8_t. Use codecvt and codecvt_utf8_utf16
2215 instead of codecvt_utf8. Use __str_codecvt_in_all and
2216 __str_codecvt_out_all.
2217 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
2218 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
2219 (path::string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
2220 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
2221 with allocator. Use __str_codecvt_out_all and __str_codecvt_in_all.
2222 (path::string) [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
2223 __str_codecvt_in_all.
2224 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
2225 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
2226 * src/c++17/fs_path.cc (path::_S_convert_loc): Use
2227 __str_codecvt_in_all.
2228 * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
2229 * testsuite/27_io/filesystem/path/construct/90281.cc: New test.
2230 * testsuite/27_io/filesystem/path/factory/u8path.cc: New test.
2231 * testsuite/27_io/filesystem/path/native/string.cc: Test with empty
2232 strings and with Unicode characters outside the basic multilingual
2234 * testsuite/27_io/filesystem/path/native/alloc.cc: New test.
2235 * testsuite/experimental/filesystem/path/construct/90281.cc: New test.
2236 * testsuite/experimental/filesystem/path/factory/u8path.cc: New test.
2237 * testsuite/experimental/filesystem/path/native/alloc.cc: New test.
2238 * testsuite/experimental/filesystem/path/native/string.cc: Test with
2239 empty strings and with Unicode characters outside the basic
2242 2019-06-17 François Dumont <fdumont@gcc.gnu.org>
2243 Jonathan Wakely <jwakely@redhat.com>
2245 * include/bits/hashtable.h (struct _Hashtable::_Scoped_node): New type.
2246 (_Hashtable::_M_insert_unique_node): Add key_type parameter. Don't
2247 deallocate node if insertion fails.
2248 (_Hashtable::_M_insert_multi_node): Likewise.
2249 (_Hashtable::_M_reinsert_node): Pass additional key argument.
2250 (_Hashtable::_M_reinsert_node_multi): Likewise. Remove FIXME.
2251 (_Hashtable::_M_extract_node(size_t, __node_base*)): New function.
2252 (_Hashtable::extract(const_iterator)): Use _M_extract_node.
2253 (_Hashtable::extract(const _Key&)): Likewise.
2254 (_Hashtable::_M_merge_unique): Pass additional key argument.
2255 (_Hashtable::_M_emplace<Args>(true_type, Args&&...)): Likewise. Use
2257 (_Hashtable::_M_insert): Likewise.
2258 * include/bits/hashtable_policy.h (_Map_base::operator[]): Likewise.
2259 (_Hashtable_alloc): Add comments to functions with misleading names.
2261 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
2263 * testsuite/20_util/bad_function_call/what.cc: Include <string> header
2265 * testsuite/20_util/shared_ptr/cons/weak_ptr_expired.cc: Likewise.
2266 * testsuite/20_util/tuple/cons/allocator_with_any.cc: Include <memory>
2267 header for std::allocator.
2268 * testsuite/23_containers/array/tuple_interface/tuple_element.cc: Add
2269 using-declaration for std::size_t.
2270 * testsuite/23_containers/array/tuple_interface/tuple_size.cc:
2272 * testsuite/23_containers/deque/cons/55977.cc: Include <istream> for
2274 * testsuite/23_containers/vector/cons/55977.cc: Likewise.
2275 * testsuite/experimental/map/erasure.cc: Include <string> for
2277 * testsuite/experimental/unordered_map/erasure.cc: Likewise.
2279 2019-06-14 Jonathan Wakely <jwakely@redhat.com>
2281 * include/experimental/type_traits (experimental::nonesuch): Use
2282 pragma to disable -Wctor-dtor-privacy warnings.
2283 * include/std/type_traits (__is_convertible_helper<From, To, false>)
2284 (__is_nt_convertible_helper<From, To, false>, __nonesuch): Likewise.
2286 * include/std/version (__cpp_lib_bind_front): Add missing macro.
2288 2019-06-12 Jonathan Wakely <jwakely@redhat.com>
2290 * include/std/algorithm (__cpp_lib_parallel_algorithm): Fix value.
2291 * include/std/memory (__cpp_lib_parallel_algorithm): Likewise.
2292 * include/std/numeric (__cpp_lib_parallel_algorithm): Likewise.
2293 * testsuite/25_algorithms/pstl/feature_test.cc: New test.
2295 * include/std/variant (get<T>, get<N>, get_if<N>, get_if<T>)
2296 (variant::emplace): Change static_assert messages from "should be"
2298 (hash<monostate>::operator()): Remove name of unused parameter.
2300 * include/std/mutex (scoped_lock::~scoped_lock()): Use fold
2303 * include/Makefile.am: Add new <bits/charconv.h> header.
2304 * include/Makefile.in: Regenerate.
2305 * include/bits/basic_string.h (to_string(int), to_string(unsigned))
2306 (to_string(long), to_string(unsigned long), to_string(long long))
2307 (to_string(unsigned long long)): Rewrite to use __to_chars_10_impl.
2308 * include/bits/charconv.h: New header.
2309 (__detail::__to_chars_len): Move here from <charconv>.
2310 (__detail::__to_chars_10_impl): New function extracted from
2311 __detail::__to_chars_10.
2312 * include/std/charconv (__cpp_lib_to_chars): Add, but comment out.
2313 (__to_chars_unsigned_type): New class template that reuses
2314 __make_unsigned_selector_base::__select to pick a type.
2315 (__unsigned_least_t): Redefine as __to_chars_unsigned_type<T>::type.
2316 (__detail::__to_chars_len): Move to new header.
2317 (__detail::__to_chars_10): Add inline specifier. Move code doing the
2318 output to __detail::__to_chars_10_impl and call that.
2319 * include/std/version (__cpp_lib_to_chars): Add, but comment out.
2320 * testsuite/21_strings/basic_string/numeric_conversions/char/
2321 to_string.cc: Fix reference in comment. Remove unused variable.
2322 * testsuite/21_strings/basic_string/numeric_conversions/char/
2323 to_string_int.cc: New test.
2325 2019-06-09 Edward Smith-Rowland <3dw4rd@verizon.net>
2327 Fix ConstexprIterator requirements tests - No constexpr algorithms!
2328 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
2329 Replace copy with hand-rolled loop.
2330 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
2333 2019-06-08 Edward Smith-Rowland <3dw4rd@verizon.net>
2335 Test for C++20 p0858 - ConstexprIterator requirements.
2336 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
2338 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
2341 2019-06-07 Thomas Rodgers <trodgers@redhat.com>
2343 Rename PSTL macro's consistent with libstdc++ (and llvm upstream
2345 * include/bits/c++config: Rename all macros of the form __PSTL* to
2347 * include/std/algorithm: Likewise.
2348 * include/std/execution: Likewise.
2349 * include/std/numeric: Likewise.
2350 * include/std/memory: Likewise.
2351 * include/pstl/glue_memory_impl.h: Likewise.
2352 * include/pstl/numeric_impl.h: Likewise.
2353 * include/pstl/glue_memory_defs.h: Likewise.
2354 * include/pstl/execution_defs.h: Likewise.
2355 * include/pstl/utils.h: Likewise.
2356 * include/pstl/algorithm_fwd.h: Likewise.
2357 * include/pstl/unseq_backend_simd.h: Likewise.
2358 * include/pstl/glue_execution_defs.h: Likewise.
2359 * include/pstl/algorithm_impl.h: Likewise.
2360 * include/pstl/parallel_impl.h: Likewise.
2361 * include/pstl/memory_impl.h: Likewise.
2362 * include/pstl/glue_numeric_defs.h: Likewise.
2363 * include/pstl/parallel_backend_utils.h: Likewise.
2364 * include/pstl/glue_algorithm_defs.h: Likewise.
2365 * include/pstl/parallel_backend.h: Likewise.
2366 * include/pstl/glue_numeric_impl.h: Likewise.
2367 * include/pstl/parallel_backend_tbb.h: Likewise.
2368 * include/pstl/numeric_fwd.h: Likewise.
2369 * include/pstl/glue_algorithm_impl.h: Likewise.
2370 * include/pstl/execution_impl.h: Likewise.
2371 * include/pstl/pstl_config.h: Likewise.
2372 * testsuite/util/pstl/pstl_test_config.h: Likewise.
2373 * testsuite/util/pstl/test_utils.h: Likewise.
2374 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
2376 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
2378 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
2380 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: Likewise.
2381 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: Likewise.
2382 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: Likewise.
2383 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: Likewise.
2384 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
2386 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: Likewise.
2387 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: Likewise.
2388 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: Likewise.
2389 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: Likewise.
2390 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
2392 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: Likewise.
2393 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: Likewise.
2394 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: Likewise.
2395 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: Likewise.
2396 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
2398 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: Likewise.
2399 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: Likewise.
2400 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
2402 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
2404 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: Likewise.
2405 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
2406 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
2408 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
2410 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
2412 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
2414 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
2416 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
2418 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
2420 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
2422 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
2424 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
2426 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
2428 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: Likewise.
2430 Rename header guards to be consistent with upstream project's
2432 * include/pstl/glue_memory_impl.h: Rename all macros of the form
2433 _PSTL_(.*)_H to _PSTL_\U\1_H.
2434 * include/pstl/numeric_impl.h: Likewise.
2435 * include/pstl/glue_memory_defs.h: Likewise.
2436 * include/pstl/execution_defs.h: Likewise.
2437 * include/pstl/utils.h: Likewise.
2438 * include/pstl/algorithm_fwd.h: Likewise.
2439 * include/pstl/unseq_backend_simd.h: Likewise.
2440 * include/pstl/glue_execution_defs.h: Likewise.
2441 * include/pstl/algorithm_impl.h: Likewise.
2442 * include/pstl/parallel_impl.h: Likewise.
2443 * include/pstl/memory_impl.h: Likewise.
2444 * include/pstl/glue_numeric_defs.h: Likewise.
2445 * include/pstl/parallel_backend_utils.h: Likewise.
2446 * include/pstl/glue_algorithm_defs.h: Likewise.
2447 * include/pstl/parallel_backend.h: Likewise.
2448 * include/pstl/glue_numeric_impl.h: Likewise.
2449 * include/pstl/parallel_backend_tbb.h: Likewise.
2450 * include/pstl/numeric_fwd.h: Likewise.
2451 * include/pstl/glue_algorithm_impl.h: Likewise.
2452 * include/pstl/execution_impl.h: Likewise.
2453 * include/pstl/pstl_config.h: Likewise.
2454 * testsuite/util/pstl/pstl_test_config.h: Likewise.
2456 Synchronize libstdc++ parallel algorithms with upstream
2458 * include/pstl/algorithm_fwd.h: Synchronize with
2459 upstream PSTL project.
2460 * include/pstl/algorithm_impl.h: Likewise.
2461 * include/pstl/execution_defs.h: Likewise.
2462 * include/pstl/execution_impl.h: Likewise.
2463 * include/pstl/glue_algorithm_impl.h: Likewise.
2464 * include/pstl/glue_execution_defs.h: Likewise.
2465 * include/pstl/numeric_fwd.h: Likewise.
2466 * include/pstl/numeric_impl.h: Likewise.
2467 * include/pstl/parallel_backend.h: Likewise.
2468 * include/pstl/pstl_config.h: Likewise.
2469 * include/pstl/unseq_backend_simd.h: Likewise.
2470 * include/pstl/parallel_backend_serial.h: New file.
2471 * include/Makefile.am (pstl_headers): Add
2472 parallel_backend_serial.h.
2473 * include/Makefile.in: Regenerate.
2475 Clean up non-conforming names
2476 * include/pstl/algorithm_impl.h (__parallel_set_union_op):
2477 Uglfiy copy_range1 and copy_range2
2478 (__pattern_walk2_n): Rename local n to __n
2479 * include/pstl/parallel_backend_tbb.h (struct __binary_no_op):
2480 Rename parameter _T to _Tp.
2482 Integrate non-TBB serial backend support
2483 * include/bits/c++config: Adjust TBB detection logic to select serial
2484 PSTL backend if no TBB present.
2485 * testsuite/utils/pstl/test_utils.h: Remove check for
2486 _PSTL_USE_PAR_POLICIES
2488 2019-06-07 Jonathan Wakely <jwakely@redhat.com>
2490 * testsuite/24_iterators/container_access.cc: Move dg-options before
2491 dg-do directive so the target check uses the -std option.
2494 * configure: Regenerate.
2495 * src/Makefile.am (stamp-debug): Also test for missing makefile.
2496 * src/Makefile.in: Regenerate.
2498 2019-06-06 Jonathan Wakely <jwakely@redhat.com>
2500 * include/std/array: Do not include <stdexcept>.
2501 * include/std/optional: Include <exception> and
2502 <bits/exception_defines.h> instead of <stdexcept>.
2503 * testsuite/20_util/function_objects/searchers.cc: Include <cctype>
2505 * testsuite/20_util/tuple/cons/deduction.cc: Include <memory> for
2507 * testsuite/23_containers/map/erasure.cc: Include <string>.
2508 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
2510 * testsuite/23_containers/deque/requirements/dr438/assign_neg.cc: Add
2511 dg-prune-output for different C++98 diagnostic.
2512 * testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc:
2514 * testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc:
2516 * testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
2518 * testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
2520 * testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
2522 * testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc:
2524 * testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
2526 * testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
2528 * testsuite/23_containers/vector/requirements/dr438/
2529 constructor_1_neg.cc: Likewise.
2530 * testsuite/23_containers/vector/requirements/dr438/
2531 constructor_2_neg.cc: Likewise.
2532 * testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
2534 * testsuite/libstdc++-prettyprinters/compat.cc: Do not run for C++98.
2536 * testsuite/23_containers/unordered_map/requirements/debug_container.cc:
2537 Do not test allocator rebinding extension for C++2a.
2538 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
2539 dg-do directive for C++17 and C++2a.
2541 * testsuite/23_containers/deque/requirements/explicit_instantiation/
2542 1_c++0x.cc: Remove redundant test.
2543 * testsuite/23_containers/deque/requirements/explicit_instantiation/
2544 2.cc: Use target selector instead of preprocessor condition.
2545 * testsuite/23_containers/deque/requirements/explicit_instantiation/
2546 3.cc: Do not run test for C++2a.
2547 * testsuite/23_containers/forward_list/requirements/
2548 explicit_instantiation/3.cc: Likewise.
2549 * testsuite/23_containers/forward_list/requirements/
2550 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2552 * testsuite/23_containers/list/requirements/explicit_instantiation/
2553 1_c++0x.cc: Remove redundant test.
2554 * testsuite/23_containers/list/requirements/explicit_instantiation/
2555 2.cc: Use target selector instead of preprocessor condition.
2556 * testsuite/23_containers/list/requirements/explicit_instantiation/
2557 3.cc: Do not run test for C++2a.
2558 * testsuite/23_containers/list/requirements/explicit_instantiation/
2559 5.cc: Do not test allocator rebinding extension for C++2a.
2560 * testsuite/23_containers/map/requirements/explicit_instantiation/
2561 1_c++0x.cc: Remove redundant test.
2562 * testsuite/23_containers/map/requirements/explicit_instantiation/
2563 2.cc: Adjust comment.
2564 * testsuite/23_containers/map/requirements/explicit_instantiation/
2565 3.cc: Do not run test for C++2a.
2566 * testsuite/23_containers/map/requirements/explicit_instantiation/
2567 5.cc: Do not test allocator rebinding extension for C++2a.
2568 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
2569 1_c++0x.cc: Remove redundant test.
2570 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
2571 3.cc: Do not run test for C++2a.
2572 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
2573 5.cc: Do not test allocator rebinding extension for C++2a.
2574 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
2575 3.cc: Do not run test for C++2a.
2576 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
2577 5.cc: Do not test allocator rebinding extension for C++2a.
2578 * testsuite/23_containers/set/requirements/explicit_instantiation/3.cc:
2579 Do not run test for C++2a.
2580 * testsuite/23_containers/set/requirements/explicit_instantiation/
2581 1_c++0x.cc: Remove redundant test.
2582 * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc:
2583 Do not test allocator rebinding extension for C++2a.
2584 * testsuite/23_containers/unordered_map/requirements/
2585 explicit_instantiation/3.cc: Likewise.
2586 * testsuite/23_containers/unordered_map/requirements/
2587 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2589 * testsuite/23_containers/unordered_multimap/requirements/
2590 explicit_instantiation/3.cc: Do not run test for C++2a.
2591 * testsuite/23_containers/unordered_multimap/requirements/
2592 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2594 * testsuite/23_containers/unordered_multiset/requirements/
2595 explicit_instantiation/3.cc: Do not run test for C++2a.
2596 * testsuite/23_containers/unordered_multiset/requirements/
2597 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2599 * testsuite/23_containers/unordered_set/requirements/
2600 explicit_instantiation/3.cc: Do not run test for C++2a.
2601 * testsuite/23_containers/unordered_set/requirements/
2602 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2604 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
2605 2.cc: Remove redundant test.
2606 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
2607 3.cc: Do not run test for C++2a.
2608 * testsuite/23_containers/vector/requirements/explicit_instantiation/
2611 * include/std/type_traits (is_empty, is_polymorphic, is_final)
2612 (is_abstract, is_aggregate): Remove static_assert.
2613 * testsuite/20_util/is_abstract/incomplete_neg.cc: Check for error
2615 * testsuite/20_util/is_aggregate/incomplete_neg.cc: Likewise. Add
2616 missing -std=gnu++17 option.
2617 * testsuite/20_util/is_empty/incomplete_neg.cc: New test.
2618 * testsuite/20_util/is_final/incomplete_neg.cc: New test.
2619 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: Check for error
2622 * testsuite/18_support/set_terminate.cc: Do not run for C++98 mode.
2623 * testsuite/18_support/set_unexpected.cc: Likewise.
2624 * testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
2626 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix constexpr
2627 function to be valid in C++11.
2628 * testsuite/26_numerics/complex/proj.cc: Do not run for C++98 mode.
2629 * testsuite/experimental/names.cc: Do not run for C++98 mode. Do not
2630 include Library Fundamentals or Networking headers in C++11 mode.
2631 * testsuite/ext/char8_t/atomic-1.cc: Do not run for C++98 mode.
2633 * include/std/tuple (_TC): Replace with _TupleConstraints.
2634 (_TupleConstraints): New helper for SFINAE constraints, with more
2635 expressive member functions to reduce duplication when used.
2636 (tuple::_TC2, tuple::_TMC, tuple::_TNTC): Remove.
2637 (tuple::_TCC): Replace dummy type parameter with bool non-type
2638 parameter that can be used to check the pack size.
2639 (tuple::_ImplicitDefaultCtor, tuple::_ExplicitDefaultCtor)
2640 (tuple::_ImplicitCtor, tuple::_ExplicitCtor): New alias templates for
2641 checking constraints in constructors.
2642 (tuple::__valid_args, tuple::_UseOtherCtor, tuple::__use_other_ctor):
2644 (tuple::tuple): Use new helpers to reduce repitition in constraints.
2645 (tuple::tuple(allocator_arg_t, const Alloc&)): Constrain.
2646 (tuple<T1, T2>::_TCC, tuple<T1, T2>::_ImplicitDefaultCtor)
2647 (tuple<T1, T2>::_ExplicitDefaultCtor, tuple<T1, T2>::_ImplicitCtor)
2648 (tuple<T1, T2>::_ExplicitCtor): New alias templates for checking
2649 constraints in constructors.
2650 (tuple::__is_alloc_arg()): New SFINAE helpers.
2651 (tuple<T1, T2>::tuple): Use new helpers to reduce repitition in
2653 (tuple<T1, T2>::tuple(allocator_arg_t, const Alloc&)): Constrain.
2654 * testsuite/20_util/tuple/cons/90700.cc: New test.
2655 * testsuite/20_util/tuple/cons/allocators.cc: Add default constructor
2656 to meet new constraint on allocator-extended default constructor.
2658 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
2660 * include/bits/stl_map.h (map): Disable static assert for C++98 mode.
2661 * include/bits/stl_multimap.h (multimap): Likewise.
2663 2019-06-03 François Dumont <fdumont@gcc.gnu.org>
2665 Rename variables and cleanup comments.
2666 * include/bits/hashtable_policy.h
2667 * include/bits/hashtable.h
2669 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
2671 * doc/xml/manual/status_cxx2020.xml: Add missing row for P0920R2.
2672 Fix bgcolor for P0340R3.
2673 * doc/html/*: Regenerate.
2676 * doc/xml/manual/status_cxx2014.xml: Document what's missing from
2677 <experimental/memory_resource>.
2678 * doc/xml/manual/status_cxx2020.xml: Document status of P1285R0,
2679 P0339R6, P0340R3, P1164R1 and P1357R1.
2680 * doc/html/*: Regenerate.
2682 * doc/xml/manual/status_cxx2020.xml: Document P1463R1 status.
2683 * include/bits/forward_list.h [__cplusplus > 201703]: Enable
2684 allocator::value_type assertion for C++2a.
2685 * include/bits/hashtable.h: Likewise.
2686 * include/bits/stl_deque.h: Likewise.
2687 * include/bits/stl_list.h: Likewise.
2688 * include/bits/stl_map.h: Likewise.
2689 * include/bits/stl_multimap.h: Likewise.
2690 * include/bits/stl_multiset.h: Likewise.
2691 * include/bits/stl_set.h: Likewise.
2692 * include/bits/stl_vector.h: Likewise.
2693 * testsuite/23_containers/deque/48101-3_neg.cc: New test.
2694 * testsuite/23_containers/forward_list/48101-3_neg.cc: New test.
2695 * testsuite/23_containers/list/48101-3_neg.cc: New test.
2696 * testsuite/23_containers/map/48101-3_neg.cc: New test.
2697 * testsuite/23_containers/multimap/48101-3_neg.cc: New test.
2698 * testsuite/23_containers/multiset/48101-3_neg.cc: New test.
2699 * testsuite/23_containers/set/48101-3_neg.cc: New test.
2700 * testsuite/23_containers/unordered_map/48101-3_neg.cc: New test.
2701 * testsuite/23_containers/unordered_multimap/48101-3_neg.cc: New test.
2702 * testsuite/23_containers/unordered_multiset/48101-3_neg.cc: New test.
2703 * testsuite/23_containers/unordered_set/48101-3_neg.cc: New test.
2704 * testsuite/23_containers/vector/48101-3_neg.cc: New test.
2706 2019-05-31 Gerald Pfeifer <gerald@pfeifer.com>
2708 * doc/xml/manual/allocator.xml: Move hoard.org back to http.
2710 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2712 * include/std/tuple (tuple<>): Add noexcept to allocator-extended
2714 (tuple<T1, T2>::__nothrow_default_constructible()): New helper
2716 (tuple<T1, T2>::tuple(), explicit tuple<T1, T2>::tuple()): Use helper.
2718 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2720 * src/c++98/bitmap_allocator.cc: Add using-declaration for size_t.
2723 * libsupc++/eh_term_handler.cc: Include eh_term_handler.h to get
2724 definition of _GLIBCXX_DEFAULT_TERM_HANDLER.
2725 * libsupc++/eh_term_handler.h: New header defining
2726 _GLIBCXX_DEFAULT_TERM_HANDLER.
2727 * libsupc++/eh_terminate.cc: Include eh_term_handler.h.
2728 (set_terminate): Restore default handler when argument is null.
2729 (set_unexpected): Likewise.
2730 * testsuite/18_support/set_terminate.cc: New test.
2731 * testsuite/18_support/set_unexpected.cc: New test.
2733 * include/backward/hashtable.h (size_t, ptrdiff_t)
2734 (forward_iterator_tag, input_iterator_tag, _Construct, _Destroy)
2735 (distance, vector, pair, __iterator_category): Remove
2736 using-declarations that add these names to namespace __gnu_cxx.
2737 * include/ext/bitmap_allocator.h (size_t, ptrdiff_t): Likewise.
2738 * include/ext/debug_allocator.h (size_t): Likewise.
2739 * include/ext/functional (size_t, unary_function, binary_function)
2740 (mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t, const_mem_fun1_ref_t):
2742 * include/ext/malloc_allocator.h (size_t, ptrdiff_t): Likewise.
2743 * include/ext/memory (ptrdiff_t, pair, __iterator_category): Likewise.
2744 * include/ext/mt_allocator.h (size_t, ptrdiff_t): Likewise.
2745 * include/ext/new_allocator.h (size_t, ptrdiff_t): Likewise.
2746 * include/ext/numeric (iota): Fix outdated comment.
2747 * include/ext/pool_allocator.h (size_t, ptrdiff_t): Likewise.
2748 * include/ext/rb_tree (_Rb_tree, allocator): Likewise.
2749 * include/ext/rope (size_t, ptrdiff_t, allocator, _Destroy): Likewise.
2750 * include/ext/ropeimpl.h (size_t, printf, basic_ostream)
2751 (__throw_length_error, _Destroy, std::__uninitialized_fill_n_a):
2753 * include/ext/slist (size_t, ptrdiff_t, _Construct, _Destroy)
2754 (allocator, __true_type, __false_type): Likewise.
2756 2019-05-31 Antony Polukhin <antoshkka@gmail.com>
2759 * include/std/type_traits __type_identity, __is_complete_or_unbounded):
2760 New helpers for checking preconditions in traits.
2761 (is_trivial, is_trivially_copyable, is_standard_layout, is_pod)
2762 (is_literal_type, is_empty, is_polymorphic, is_final, is_abstract)
2763 (is_destructible, is_nothrow_destructible, is_constructible)
2764 (is_default_constructible, is_copy_constructible)
2765 (is_move_constructible, is_nothrow_default_constructible)
2766 (is_nothrow_constructible, is_nothrow_copy_constructible)
2767 (is_nothrow_move_constructible, is_copy_assignable, is_move_assignable)
2768 (is_nothrow_assignable, is_nothrow_copy_assignable)
2769 (is_nothrow_move_assignable, is_trivially_constructible)
2770 (is_trivially_copy_constructible, is_trivially_move_constructible)
2771 is_trivially_assignable, is_trivially_copy_assignable)
2772 (is_trivially_move_assignable, is_trivially_destructible)
2773 (alignment_of, is_swappable, is_nothrow_swappable, is_invocable)
2774 (is_invocable_r, is_nothrow_invocable)
2775 (has_unique_object_representations, is_aggregate): Add static_asserts
2776 to make sure that type traits are not misused with incomplete types.
2777 (__is_constructible_impl, __is_nothrow_default_constructible_impl)
2778 (__is_nothrow_constructible_impl, __is_nothrow_assignable_impl): New
2779 base characteristics without assertions that can be reused in other
2781 * testsuite/20_util/is_complete_or_unbounded/memoization.cc: New test.
2782 * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc: New
2784 * testsuite/20_util/is_complete_or_unbounded/value.cc: New test.
2785 * testsuite/20_util/is_abstract/incomplete_neg.cc: New test.
2786 * testsuite/20_util/is_aggregate/incomplete_neg.cc: New test.
2787 * testsuite/20_util/is_class/value.cc: Check incomplete type.
2788 * testsuite/20_util/is_function/value.cc: Likewise.
2789 * testsuite/20_util/is_move_constructible/incomplete_neg.cc: New test.
2790 * testsuite/20_util/is_nothrow_move_assignable/incomplete_neg.cc: New
2792 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: New test.
2793 * testsuite/20_util/is_reference/value.cc: Check incomplete types.
2794 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
2795 * testsuite/20_util/is_union/value.cc: Likewise.
2796 * testsuite/20_util/is_void/value.cc: Likewise.
2797 * testsuite/util/testsuite_tr1.h: Add incomplete union type.
2799 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2801 * include/bits/random.h (random_device::_M_init(const char*, size_t)):
2802 Add new private member function.
2803 * src/c++11/cow-string-inst.cc (random_device::_M_init(const string&))
2804 (random_device::_M_init_pretr1(const string&)): Call new private
2805 member with string data.
2806 * src/c++11/random.cc (random_device::_M_init(const char*, size_t)):
2808 * testsuite/26_numerics/random/random_device/cons/default-cow.cc: New
2809 test using COW strings.
2810 * testsuite/26_numerics/random/random_device/cons/default.cc: Generate
2811 a value from the device.
2812 * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
2813 Fix typo in token string.
2815 2019-05-30 Nina Dinka Ranns <dinka.ranns@gmail.com>
2817 LWG2788 basic_string spurious use of a default constructible allocator
2818 * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
2819 (basic_string::_M_replace_dispatch): Construct temporary string with
2820 the current allocator.
2821 * testsuite/21_strings/basic_string/allocator/char/lwg2788.cc: New.
2822 * testsuite/21_strings/basic_string/allocator/wchar_t/lwg2788.cc: New.
2824 2019-05-30 Jonathan Wakely <jwakely@redhat.com>
2826 * doc/xml/manual/diagnostics.xml: Update list of headers that define
2828 * doc/xml/manual/support.xml: Rewrite advice around NULL. Rewrite
2829 section about new/delete overloads. Improve section on verbose
2831 * doc/html/*: Regenerate.
2833 * doc/xml/manual/status_cxx2020.xml: Add feature-test macro for
2834 P0811R3. Change status of P1353R0.
2835 * doc/html/*: Regenerate.
2837 * doc/xml/manual/status_cxx2011.xml: Use <variablelist> for
2838 documentation of implementation-defined types for [thread.req.native].
2839 * doc/xml/manual/status_cxx2017.xml: Update documentation of
2840 implementation-defined strings for [variant.bad.access]. Fix typo in
2841 documentation of implementation-defined support for [fs.conform.9945].
2842 * doc/html/*: Regenerate.
2844 2019-05-29 Jonathan Wakely <jwakely@redhat.com>
2847 * testsuite/26_numerics/random/random_device/cons/token.cc: Fix test
2848 that fails on mingw-w64.
2851 * src/c++17/fs_ops.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
2852 (status(const path&, error_code&)): Use parent_path() to remove
2854 (symlink_status(const path&, error_code&)): Duplicate workaround for
2855 bug in _wstat for paths with trailing slash.
2856 * testsuite/27_io/filesystem/operations/remove_all.cc: Check path
2857 with trailing slash.
2858 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
2859 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2861 * src/c++17/fs_path.cc (path::parent_path()): Create whole path at
2862 once instead of building it iteratively.
2864 * testsuite/util/testsuite_api.h: Remove names of unused parameters.
2866 PR libstdc++/85494 use rdseed and rand_s in std::random_device
2867 * acinclude.m4 (GLIBCXX_CHECK_X86_RDSEED): Define macro to check if
2868 the assembler supports rdseed.
2869 * config.h.in: Regenerate.
2870 * configure: Regenerate.
2871 * configure.ac: Use GLIBCXX_CHECK_X86_RDSEED.
2872 * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_CRT_RAND_S): Define.
2873 * doc/html/*: Regenerate.
2874 * doc/xml/manual/status_cxx2011.xml: Document new tokens.
2875 * include/bits/random.h (random_device::random_device()): Always call
2876 _M_init rather than _M_init_pretr1.
2877 (random_device::random_device(const string&)): Likewise.
2878 (random_device::operator()()): Always call _M_getval().
2879 (random_device::_M_file): Replace first member of union with an
2880 anonymous struct, with _M_file as its first member.
2881 * src/c++11/random.cc [_GLIBCXX_X86_RDRAND] (USE_RDRAND): Define.
2882 [_GLIBCXX_X86_RDSEED] (USE_RDSEED): Define.
2883 (USE_MT19937): Define if none of the above are defined.
2884 (USE_POSIX_FILE_IO): Define.
2885 (_M_strtoul): Remove.
2886 [USE_RDSEED] (__x86_rdseed): Define new function.
2887 [_GLIBCXX_USE_CRT_RAND_S] (__winxp_rand_s): Define new function.
2888 (random_device::_M_init(const string&)): Initialize new union members.
2889 Add support for "rdseed" and "rand_s" tokens. Decide what the
2890 "default" token does according to which USE_* macros are defined.
2891 [USE_POSIX_FILE_IO]: Store a file descriptor.
2892 [USE_MT19937]: Forward to _M_init_pretr1 instead.
2893 (random_device::_M_init_pretr1(const string&)) [USE_MT19937]: Inline
2894 code from _M_strtoul.
2895 [!USE_MT19937]: Call _M_init, transforming the old default token or
2896 numeric tokens to "default".
2897 (random_device::_M_fini()) [USE_POSIX_FILE_IO]: Use close not fclose.
2898 (random_device::_M_getval()): Use new union members to obtain a
2899 random number from the stored function pointer or file descriptor.
2900 [USE_MT19937]: Obtain a value from the mt19937 engine.
2901 (random_device::_M_getval_pretr1()): Call _M_getval().
2902 (random_device::_M_getentropy()) [USE_POSIX_FILE_IO]: Use _M_fd
2904 [!USE_MT19937] (mersenne_twister): Do not instantiate when not needed.
2905 * testsuite/26_numerics/random/random_device/85494.cc: New test.
2907 2019-05-28 Jonathan Wakely <jwakely@redhat.com>
2910 * include/experimental/bits/fs_path.h (path::path(path&&)): Only call
2911 _M_split_cmpts() for a path with multiple components.
2912 (path::_S_is_dir_sep()): Add missing 'static' keyword to function.
2913 * src/filesystem/path.cc (path::_M_split_cmpts()): Count number of
2914 components and reserve space in vector. Return early when there is
2916 * testsuite/27_io/filesystem/path/construct/90634.cc: New test.
2917 * testsuite/experimental/filesystem/path/construct/90634.cc: New test.
2919 * testsuite/util/testsuite_fs.h (compare_paths): Use three-argument
2920 form of std::equals for C++11 compatibility.
2922 2019-05-26 Gerald Pfeifer <gerald@pfeifer.com>
2924 * doc/xml/manual/appendix_contributing.xml: Update pointer to
2925 C++ standard at ansi.org.
2927 2019-05-24 Jonathan Wakely <jwakely@redhat.com>
2929 * include/std/numeric (midpoint(T*, T*)): Fix incorrect result.
2930 * testsuite/26_numerics/midpoint/pointer.cc: Change "compile" test
2933 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Fix test.
2934 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused function.
2936 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2938 * testsuite/20_util/function_objects/invoke/1.cc: Move C++17-specific
2940 * testsuite/20_util/function_objects/invoke/3.cc: New test.
2941 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
2942 "compile" test to "run".
2944 * doc/xml/manual/intro.xml: Document LWG DR 2996 change.
2945 * doc/html/*: Regenerate.
2946 * include/bits/shared_ptr.h (shared_ptr(shared_ptr&&, T*)): Add
2947 rvalue aliasing constructor.
2948 (static_pointer_cast, const_pointer, dynamic_pointer_cast)
2949 (reinterpret_pointer_cast): Add overloads taking rvalues.
2950 * include/bits/shared_ptr_base.h (__shared_ptr(__shared_ptr&&, T*)):
2951 Add rvalue aliasing constructor.
2952 * testsuite/20_util/shared_ptr/casts/1.cc: Change "compile" test to
2953 "run" and check return values as well as types.
2954 * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
2955 * testsuite/20_util/shared_ptr/casts/rval.cc: New test.
2956 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: New test.
2957 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused return
2960 * doc/xml/manual/evolution.xml: Document LWG DR 2921 change.
2961 * doc/xml/manual/intro.xml: Likewise.
2962 * include/std/future (__create_task_state): Add default arguments
2963 to make providing an allocator optional.
2964 (packaged_task::packaged_task(F&&)): Call __create_task_state directly
2965 instead of delegating to another constructor.
2966 (packaged_task::packaged_task(allocator_arg_t, const A&, ...)): Do not
2967 define allocator-extended constructors for C++17 and later.
2968 * testsuite/30_threads/packaged_task/cons/alloc.cc: Only run test for
2970 * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
2971 * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
2972 * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
2974 2019-05-23 Hans-Peter Nilsson <hp@axis.com>
2976 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
2977 Don't run the libstdc++/83237 part on simulator targets.
2979 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2981 * doc/xml/manual/status_cxx2017.xml: Add feature test macro for
2983 * doc/html/*: Regenerate.
2985 * include/experimental/any (__any_caster): Use RTTI if comparing
2986 addresses fails, to support non-unique addresses in shared libraries.
2987 * include/std/any (__any_caster): Likewise.
2990 * include/experimental/any (__any_caster): Constrain to only be
2991 callable for object types. Use remove_cv_t instead of decay_t.
2992 If the type decays or isn't copy constructible, compare the manager
2993 function to a dummy specialization.
2994 (__any_caster): Add overload constrained for non-object types.
2995 (any::_Manager_internal<_Op>): Add dummy specialization.
2996 * testsuite/experimental/any/misc/any_cast.cc: Test function types
2999 2019-05-22 Jonathan Wakely <jwakely@redhat.com>
3002 * src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
3003 reversed arguments to uninitialized_copy_n.
3004 * testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
3005 is unchanged by copy assignment.
3006 * testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
3007 compare path components.
3010 * include/experimental/memory_resource: Add system header pragma and
3011 do not define anything unless compiled as C++14 or later.
3012 (__resource_adaptor_common::__guaranteed_alignment): Remove.
3013 (__resource_adaptor_imp::do_allocate): If the requested alignment
3014 is a fundamental alignment then either allocate directly from _M_alloc
3015 or call the new _M_allocate function.
3016 (__resource_adaptor_imp::do_deallocate): Likewise for deallocation.
3017 (__resource_adaptor_imp::_M_allocate): New function that uses a copy
3018 of the allocator rebound to a POD type with the specified alignment.
3019 (__resource_adaptor_imp::_M_deallocate): Likewise for deallocation.
3020 * testsuite/experimental/memory_resource/new_delete_resource.cc:
3021 Adjust expected allocation sizes.
3022 * testsuite/experimental/memory_resource/resource_adaptor.cc: Remove
3023 xfail for Solaris x86.
3025 2019-05-21 Thomas Rodgers <trodgers@redhat.com>
3027 LWG 3062 - Unnecessary decay_t in is_execution_policy_v
3028 * include/pstl/execution_defs.h (__enable_if_execution_policy):
3029 Use std::__remove_cvref_t when building with GCC.
3031 2019-05-21 Jonathan Wakely <jwakely@redhat.com>
3034 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
3035 Use "additional_flags" to pass -ltbb to v3_target_compile command.
3036 Use check_v3_target_prop_cached to cache the result of the test.
3038 * doc/xml/manual/shared_ptr.xml: Fix names of lock policy constants.
3040 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
3043 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
3044 Changed v3_target_compile check from preprocess to executable.
3045 Added "-ltbb" to v3_target_compile flags.
3047 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
3049 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
3050 Add check for Thread Building Blocks 2018 or later.
3052 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
3054 * testsuite/experimental/names.cc: Only include Networking TS headers
3055 on targets with the necessary Gthreads support.
3057 2019-05-20 Marek Polacek <polacek@redhat.com>
3059 CWG 2094 - volatile scalars are trivially copyable.
3061 * testsuite/20_util/is_trivially_copyable/value.cc: Change the expected
3062 result for volatile int.
3064 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
3066 * testsuite/17_intro/names.cc: Do not check 'ptr' on Solaris.
3067 * testsuite/experimental/names.cc: Include <experimental/filesystem>
3070 PR c++/90532 Ensure __is_constructible(T[]) is false
3071 * include/std/type_traits (__do_is_default_constructible_impl)
3072 (__is_default_constructible_atom, __is_default_constructible_safe):
3074 (is_default_constructible): Use is_constructible.
3075 * testsuite/20_util/is_constructible/value.cc: Check int[] case.
3076 * testsuite/20_util/is_default_constructible/value.cc: Likewise.
3077 * testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
3078 * testsuite/20_util/is_trivially_default_constructible/value.cc:
3081 2019-05-20 Pádraig Brady <pbrady@fb.com>
3083 * libstdc++-v3/include/ext/new_allocator.h (deallocate): Pass the size
3084 to the deallocator with -fsized-deallocation.
3086 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
3088 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
3089 test by passing correct alignment to deallocate function.
3091 2019-05-18 Jonathan Wakely <jwakely@redhat.com>
3094 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
3095 Raise exception if unique_ptr tuple member has unknown structure.
3096 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
3097 Adjust worker to support new __uniq_ptr_data base class. Do not
3098 assume field called _M_head_impl is the first tuple element.
3100 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
3102 * include/bits/stl_deque.h
3103 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
3104 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
3105 (_Deque_base::_Deque_impl_data): New.
3106 (_Deque_base::_Deque_impl): Inherit latter.
3107 (_Deque_base::_Deque_impl::_M_swap_data): Move...
3108 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
3109 (_Deque_base::_Deque_impl()): Add noexcept qualification.
3110 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
3111 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
3112 (deque<>::deque()): Default.
3113 (deque<>::deque(deque&&)): Default.
3114 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
3115 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
3116 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
3117 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
3118 _M_range_initialize.
3119 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
3120 (deque<>::resize(size_type, const value_type&)): Share a single
3122 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
3123 _M_range_insert_aux.
3124 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
3125 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
3126 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
3127 * testsuite/23_containers/deque/allocator/default_init.cc: New.
3129 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
3132 * include/std/variant (holds_alternative, get, get_if): Improve
3133 static assertion messages.
3134 (bad_variant_access::bad_variant_access()): Change default message.
3135 (__throw_bad_variant_access(bool)): New overload.
3136 (get): Use new overload.
3137 (visit, visit<R>): Improve exception message.
3139 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
3140 targets. Add more cases from P0608R3.
3141 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
3143 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
3144 * include/experimental/type_traits (is_detected_exact)
3145 (is_detected_exact_v): Likewise.
3146 * include/pstl/execution_defs.h (is_execution_policy)
3147 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
3148 * include/pstl/execution_impl.h (__policy_traits): Likewise.
3149 * testsuite/17_intro/names.cc: Check for more non-reserved names.
3150 * testsuite/experimental/names.cc: New test.
3153 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
3154 assertions from the destructor.
3155 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
3156 Move static_assert for hash function to here.
3157 (_Hash_table_base::_M_equals): Move static_assert for equality
3159 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
3161 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
3162 the value directly instead of calling _S_value.
3163 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
3164 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
3165 _S_key(_Const_Link_type).
3166 * testsuite/23_containers/set/85965.cc: Check construction,
3167 destruction, assignment and size() do not trigger the assertions.
3168 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
3169 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
3171 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
3172 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
3173 * testsuite/23_containers/set/48101_neg.cc: Likewise.
3174 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
3175 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
3176 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
3177 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
3179 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
3180 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
3183 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
3185 * doc/html/*: Regenerate.
3186 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
3187 of decay_t (P0777R1).
3189 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
3191 Move from state of allocators (LWG2593)
3192 * include/bits/stl_deque.h
3193 (_Deque_base(_Deque_base&&, false_type)): Remove.
3194 (_Deque_base(_Deque_base&&, true_type)): Remove.
3195 (_Deque_base(_Deque_base&&)): Adapt.
3196 (_Deque_base::_M_move_impl()): Remove.
3197 * testsuite/util/testsuite_allocator.h
3198 (propagating_allocator(propagating_allocator&&)): Preserve move from
3200 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
3202 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
3204 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
3205 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
3206 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
3208 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
3210 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
3211 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
3213 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
3215 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
3217 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
3219 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
3221 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
3223 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
3225 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
3228 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
3230 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
3231 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
3233 * include/std/variant (__overload_set): Remove.
3235 (_Build_FUN): New class template to define a single FUN overload,
3236 with specializations to prevent unwanted conversions, as per P0608R3.
3237 (_Build_FUNs): New class template to build an overload set of FUN.
3238 (_FUN_type): New alias template to perform overload resolution.
3239 (__accepted_type): Use integer_constant base for failure case. Use
3240 _FUN_type for successful case.
3241 (variant::__accepted_index): Use _Tp instead of _Tp&&.
3242 (variant::variant(_Tp&&)): Likewise.
3243 (variant::operator=(_Tp&&)): Likewise.
3245 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
3246 Replace raw visitation with a runtime check for the valueless state
3247 and a non-raw visitor.
3248 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
3249 (variant::index()): Remove branch.
3250 (variant::swap(variant&)): Use valueless_by_exception() instead of
3251 comparing the index to variant_npos, and add likelihood attribute.
3253 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
3254 (_Hashtable_base::_Equal_hash_code): Define new class template.
3255 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
3258 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
3259 Replace with _M_get non-static member function.
3260 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
3262 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
3263 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
3265 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
3266 _S_get accessors for members in EBO helpers.
3267 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
3268 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
3270 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
3272 (_Hashtable_base::_M_eq()): Remove non-const overload.
3274 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
3276 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
3278 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
3280 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
3283 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3285 * config/os/solaris/solaris2.10: Move to ...
3286 * config/os/solaris: ... this.
3287 * configure.host (os_include_dir): Adapt.
3288 (abi_baseline_pair): Remove Solaris 10 handling.
3289 * config/abi/post/i386-solaris2.10: Remove.
3290 * config/abi/post/sparc-solaris2.10: Remove.
3291 * config/abi/post/i386-solaris2.11: Rename to ...
3292 * config/abi/post/i386-solaris: ... this.
3293 * config/abi/post/sparc-solaris2.11: Rename to ...
3294 * config/abi/post/sparc-solaris: ... this.
3296 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
3299 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
3302 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
3304 * include/std/variant (__visit_with_index): Remove typedef.
3305 (__deduce_visit_result): New tag type.
3306 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
3307 visitation of possibly-valueless variants, forwarding to __do_visit
3308 with the relevant tag type.
3309 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
3310 and make lambda return void.
3311 (__variant_construct): Likewise.
3312 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
3313 __raw_idx_visit and make lambda return void.
3314 (_Multi_array::__untag_result): Add metafunction to check the function
3315 pointer type for a tag type that dictates the kind of visitation.
3316 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
3317 Use decltype(auto) instead of tagged function pointer type.
3318 (__gen_vtable_impl): Remove bool non-type parameter and unused
3319 _Variant_tuple parameter.
3320 (__gen_vtable_impl::__visit_invoke_impl): Remove.
3321 (__gen_vtable_impl::__do_visit_invoke): Remove.
3322 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
3323 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
3324 for the visit<R> case, rather than dispatching to separate functions.
3325 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
3327 (variant::swap): Likewise.
3328 (__do_visit): Replace two non-type template parameters with a single
3329 type parameter, so that the caller must specify the visitor's return
3330 type (or one of the tag types).
3331 (visit): Deduce a return type from the visitor and use the
3332 __deduce_visit_result tag to enforce that all overloads return the
3334 (visit<R>): Call __do_visit<R> with explicit result type.
3335 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
3338 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
3340 nonesuch is insufficiently useless (lwg2996)
3341 * include/std/type_traits (struct __nonesuch): Added private base
3342 class to make __nonesuch not an aggregate and removed deleted default
3344 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
3345 (operator=(const pair&)): Use __nonesuch instead of
3346 __nonesuch_no_braces.
3347 (operator=(pair&&)): Likewise
3348 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
3349 of __nonesuch_no_braces.
3350 (operator=(tuple&&)): Likewise
3351 * include/experimental/type_traits (struct nonesuch): Added private
3352 base class to make nonesuch not an aggregate and removed deleted
3353 default constructor.
3354 * testsuite/20_util/nonesuch/nonesuch.cc: New.
3355 * testsuite/experimental/type_traits/nonesuch.cc: New.
3357 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
3359 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
3360 (_Function_handler): Remove partial specializations for void return
3361 types and pointers to member.
3362 (_Function_handler::_M_manager): Adapt to removal of
3363 _Simple_type_wrapper.
3364 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
3365 * include/std/functional (_Bind_result::__enable_if_void)
3366 (_Bind_result::__disable_if_void): Remove sfinae helpers.
3367 (_Bind_result::__call): Use __invoke_r and remove overloads for void
3369 * include/std/future (__future_base::_Task_state::_M_run)
3370 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
3371 change return type of lambda expressions.
3373 * include/bits/invoke.h (__invoke_r): Define new function implementing
3374 the INVOKE<R> pseudo-function.
3375 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
3376 * testsuite/20_util/function_objects/invoke/2.cc: New test.
3378 * include/std/type_traits (__is_nt_convertible_helper): Define it
3379 unconditionally, not only for C++20.
3380 (__is_nothrow_convertible): Define internal trait for use in C++11.
3381 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
3382 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
3383 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
3384 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
3385 that has nothrow explicit conversion but potentially-throwing implicit
3387 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
3388 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
3389 function to only consider implicit conversions.
3390 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
3392 * include/std/iterator: Include <iosfwd> instead of <istream> and
3395 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
3396 Remove unused, non-standard function.
3398 * include/bits/regex.h (match_results::max_size()): Adjust return
3399 value to account for prefix/suffix/unmatched subs.
3400 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
3401 reset the contained sub matches.
3402 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
3403 function to set result state following a failed match.
3404 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
3405 sub_match states after _M_resize. Use _M_establish_failed_match.
3408 * include/std/thread (thread::_State_impl, thread::_S_make_state):
3409 Replace single _Callable parameter with variadic _Args pack, to
3410 forward them directly to the tuple of decayed copies.
3411 * testsuite/30_threads/thread/cons/69724.cc: New test.
3413 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
3415 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
3416 * include/bits/basic_string.h: (operator=(const basic_string&):
3417 Move allocator decision to assign.
3418 (assign(const basic_string&)): Move allocator decision here.
3419 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
3421 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
3424 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
3426 * testsuite/util/testsuite_allocator.h (memory_resource)
3427 (default_resource_mgr): Fix indentation.
3429 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
3430 Use operator-> to access raw pointer member.
3431 * testsuite/23_containers/vector/59829.cc: Likewise.
3432 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
3433 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
3434 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
3436 (PointerBase, PointerBase_void): Derive from NullablePointer and use
3437 its constructors and equality operators. Change converting
3438 constructors to use operator-> to access private member of the other
3440 (PointerBase_void::operator->()): Add, for access to private member.
3441 (operator-(PointerBase, PointerBase)): Change to hidden friend.
3442 (operator==(PointerBase, PointerBase)): Remove.
3443 (operator!=(PointerBase, PointerBase)): Remove.
3445 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
3446 not assume field called _M_head_impl is the first tuple element.
3447 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
3448 implementation more accurate.
3449 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
3450 empty pointer type and non-empty deleter.
3452 LWG 2899 - Make is_move_constructible correct for unique_ptr
3453 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
3454 move assignment operator.
3455 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
3456 (__uniq_ptr_data): New class template with conditionally deleted
3458 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
3459 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
3460 constructor and move assignment operator as defaulted.
3461 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
3462 __uniq_ptr_impl::release().
3463 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
3464 to __uniq_ptr_impl::reset(pointer).
3465 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
3466 Check for new __uniq_ptr_data type.
3467 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
3469 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
3471 PR libstdc++/90454.cc path construction from void*
3472 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
3473 pointers to void are rejected as well as void.
3474 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
3475 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
3477 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
3479 * doc/xml/manual/policy_data_structures.xml: Comment out stray
3480 <remark> elements. Fix formatting of bibliography references.
3482 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
3484 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
3486 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
3488 Remove Profile Mode, deprecated since 7.1.0
3489 * doc/Makefile.am: Remove XML file for profile mode docs.
3490 * doc/Makefile.in: Regenerate.
3491 * doc/xml/authors.xml: Remove authors of profile mode docs.
3492 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
3494 * doc/xml/manual/debug.xml: Likewise.
3495 * doc/xml/manual/evolution.xml: Document removal of profile mode.
3496 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
3497 * doc/xml/manual/spine.xml: Remove profile mode author credit.
3498 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
3500 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
3502 * doc/html/*: Regenerate.
3503 * include/Makefile.am: Remove profile mode headers.
3504 * include/Makefile.in: Regenerate.
3505 * include/bits/c++config (std::__profile): Remove namespace.
3506 [_GLIBCXX_PROFILE]: Remove checks for macro.
3507 * include/profile/array: Remove.
3508 * include/profile/base.h: Remove.
3509 * include/profile/bitset: Remove.
3510 * include/profile/deque: Remove.
3511 * include/profile/forward_list: Remove.
3512 * include/profile/impl/profiler.h: Remove.
3513 * include/profile/impl/profiler_algos.h: Remove.
3514 * include/profile/impl/profiler_container_size.h: Remove.
3515 * include/profile/impl/profiler_hash_func.h: Remove.
3516 * include/profile/impl/profiler_hashtable_size.h: Remove.
3517 * include/profile/impl/profiler_list_to_slist.h: Remove.
3518 * include/profile/impl/profiler_list_to_vector.h: Remove.
3519 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
3520 * include/profile/impl/profiler_node.h: Remove.
3521 * include/profile/impl/profiler_state.h: Remove.
3522 * include/profile/impl/profiler_trace.h: Remove.
3523 * include/profile/impl/profiler_vector_size.h: Remove.
3524 * include/profile/impl/profiler_vector_to_list.h: Remove.
3525 * include/profile/iterator_tracker.h: Remove.
3526 * include/profile/list: Remove.
3527 * include/profile/map: Remove.
3528 * include/profile/map.h: Remove.
3529 * include/profile/multimap.h: Remove.
3530 * include/profile/multiset.h: Remove.
3531 * include/profile/ordered_base.h: Remove.
3532 * include/profile/set: Remove.
3533 * include/profile/set.h: Remove.
3534 * include/profile/unordered_base.h: Remove.
3535 * include/profile/unordered_map: Remove.
3536 * include/profile/unordered_set: Remove.
3537 * include/profile/vector: Remove.
3538 * scripts/run_doxygen: Do not process profile mode headers.
3539 * testsuite/23_containers/array/element_access/60497.cc: Don't use
3541 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
3542 Remove dg-skip-if for profile mode.
3543 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
3544 preprocessor check for profile mode.
3545 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
3546 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
3548 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
3550 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
3551 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
3552 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
3553 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
3554 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
3556 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
3558 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
3560 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
3562 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
3563 preprocessor check for profile mode.
3564 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
3566 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
3567 Remove dg-skip-if for profile mode.
3568 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
3569 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
3570 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
3571 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
3572 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
3573 * testsuite/Makefile.am: Remove profile_flags variable and
3574 * testsuite/Makefile.am: Remove profile_flags variable and
3575 check-profile target.
3576 * testsuite/Makefile.in: Regenerate.
3577 * testsuite/ext/profile/all.cc: Remove.
3578 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
3579 * testsuite/ext/profile/profiler_algos.cc: Remove.
3580 * testsuite/ext/profile/replace_new.cc: Remove.
3581 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
3582 preprocessor check for profile mode.
3583 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
3584 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
3585 (check_v3_target_normal_mode): Do not check for profile mode macro.
3586 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
3588 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
3589 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
3590 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
3591 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
3592 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
3593 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
3594 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
3595 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
3596 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
3597 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
3599 Remove array_allocator extension, deprecated since 4.9.0
3600 * doc/xml/manual/allocator.xml: Remove documentation for
3602 * doc/xml/manual/evolution.xml: Document array_allocator removal.
3603 * doc/xml/manual/using.xml: Remove header from documentation.
3604 * include/Makefile.am: Remove <ext/array_allocator.h> header.
3605 * include/Makefile.in: Regenerate.
3606 * include/ext/array_allocator.h: Remove.
3607 * include/precompiled/extc++.h: Do not include removed header.
3608 * testsuite/ext/array_allocator/1.cc: Remove.
3609 * testsuite/ext/array_allocator/2.cc: Remove.
3610 * testsuite/ext/array_allocator/26875.cc: Remove.
3611 * testsuite/ext/array_allocator/3.cc: Remove.
3612 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
3613 * testsuite/ext/array_allocator/check_delete.cc: Remove.
3614 * testsuite/ext/array_allocator/check_new.cc: Remove.
3615 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
3616 * testsuite/ext/headers.cc: Do not include removed header.
3618 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
3620 * include/bits/stl_bvector.h
3621 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3623 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3625 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3627 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3629 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3631 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3633 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3635 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
3637 (_Bit_iterator::operator-(difference_type)): Likewise.
3638 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
3639 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
3641 (_Bit_const_iterator::operator-(difference_type)): Likewise.
3642 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
3644 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
3647 * testsuite/util/thread/all.h: Do not use remove_pointer for
3648 std::thread::native_handle_type.
3651 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
3652 (_Variant_storage<true, Types...>::_M_reset()))
3653 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
3654 (__get_storage): Likewise.
3655 (variant): Add noexcept to friend declarations for __get and
3659 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
3660 Use _Require for constraints.
3661 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
3663 (__uniq_ptr_hash): New base class with conditionally-disabled call
3665 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
3666 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
3667 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
3669 * include/bits/shared_ptr.h: Improve docs.
3670 * include/bits/shared_ptr_base.h: Likewise.
3671 * include/bits/stl_uninitialized.h: Likewise.
3672 * include/bits/unique_ptr.h: Likewise.
3673 * libsupc++/new: Likewise.
3675 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
3677 * include/bits/stl_deque.h
3678 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3680 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3682 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3684 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3686 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3688 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3690 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
3692 (_Deque_iterator<>::operator-(difference_type)): Likewise.
3694 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
3697 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
3698 (test01): Reserve for number of insertions to avoid rehash during test.
3699 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
3701 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
3706 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
3708 * include/experimental/bits/fs_path.h: Improve docs.
3709 * include/experimental/bits/net.h: Fix wrong header name in comment.
3710 Do not document implementation details.
3711 * include/experimental/netfwd: Fix doxygen grouping.
3713 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
3715 * include/bits/stl_pair.h: Improve docs.
3716 * include/std/tuple: Likewise.
3718 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
3720 * include/std/chrono: Improve docs.
3721 * include/std/ratio: Do not document implementation details.
3722 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
3724 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
3727 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
3728 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
3729 (__duration_common_type): New helper.
3730 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
3731 __duration_common_type.
3732 (__timepoint_common_type_wrapper): Replace with ...
3733 (__timepoint_common_type): New helper.
3734 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
3735 Use __time_point_common_type.
3736 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
3737 (__common_type_impl): If either argument is transformed by decay,
3738 use the common_type of the decayed types.
3739 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
3740 decayed, use __do_common_type_impl to get the common_type.
3741 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
3742 (__do_member_type_wrapper, __member_type_wrapper)
3743 (__expanded_common_type_wrapper): Remove.
3744 (__common_type_pack, __common_type_fold): New helpers.
3745 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
3746 __member_type_wrapper and __expanded_common_type_wrapper.
3747 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
3748 Test zero-length template argument list.
3749 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
3750 Test single argument cases and argument types that should decay.
3751 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
3752 Adjust expected error.
3753 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
3755 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
3756 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
3757 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
3759 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
3761 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
3763 Make allocator propagation more consistent for
3764 operator+(basic_string) (P1165R1)
3765 * include/bits/basic_string.h
3766 (operator+(basic_string&&, basic_string&&): Changed resulting
3767 allocator to always be the one from the first parameter.
3768 * include/bits/basic_string.tcc
3769 (operator+(const _CharT*, const basic_string&)): Changed
3770 resulting allocator to be SOCCC on the second parameter's allocator.
3771 (operator+(_CharT, const basic_string&)): Likewise.
3772 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
3774 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
3777 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
3779 * include/bits/regex.h: Improve docs.
3780 * include/bits/regex.tcc: Do not document implementation details.
3782 * testsuite/19_diagnostics/error_code/hash.cc: New test.
3784 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
3786 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
3787 Add type printer for container types in std::__debug namespace.
3788 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
3789 (gdb-tests): Use distinct parameters for the type of test and use of
3791 (gdb-test): Check for regex test even if 'whatis' test.
3792 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
3794 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
3795 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
3796 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
3797 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
3798 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
3799 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
3800 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
3802 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
3804 * include/std/system_error (error_category): Fix comment.
3807 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
3808 argument is an empty path.
3809 (absolute(const path&, error_code&)): Use invalid_argument as error
3810 code instead of no_such_file_or_directory.
3811 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
3812 of non-existent paths and empty paths with both overloads of absolute.
3814 * include/std/system_error (error_category, error_code)
3815 (error_condition): Improve docs.
3816 * libsupc++/exception: Add missing @addtogroup Doxygen command.
3817 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
3818 to class documentation. Suppress documentation for implementation
3820 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
3821 Suppress documentation for implementation details.
3823 * include/std/system_error (error_code): Remove friend declaration
3824 for hash<error_code>.
3825 (hash<error_code>::operator()): Use public member functions to access
3827 (hash<error_condition>::operator()): Use address of category, not
3828 its object representation.
3829 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
3830 Use public member functions to access value and category.
3831 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
3833 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
3835 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
3836 * include/bits/hashtable_policy.h
3837 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
3838 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
3839 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
3840 smaller than input value rather than always greater. Preserve
3841 _M_next_resize if called with 0 input. Use __builtin_floorl.
3842 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
3843 elements + number of insertions is greater than _M_next_resize. Start
3844 with 11 buckets if not told otherwise. Use __builtin_floorl.
3845 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
3846 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
3847 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
3848 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
3849 told otherwise. Use __builtin_floorl.
3850 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
3851 to also validate _Power2_rehash_policy.
3852 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
3855 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
3858 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
3862 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
3863 overflow warning with -Wpedantic -Wsystem-headers.
3865 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
3868 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
3869 * include/bits/move.h (swap): Remove extra parentheses.
3871 * include/experimental/bits/lfts_config.h: Improve doc markup.
3872 * include/experimental/optional: Improve docs.
3873 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
3874 (__constexpr_addressof): Remove.
3875 (optional::operator->()): Use std::__addressof().
3876 * include/std/optional (optional::operator->()): Adjust whitespace.
3877 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
3878 that operator-> is still constexpr with overloaded operator&. Change
3879 to compile-only test.
3880 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
3883 * include/bits/shared_ptr.h: Improve docs.
3884 * include/bits/shared_ptr_atomic.h: Likewise.
3885 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
3887 * include/bits/basic_string.h: Fix iterator/index confusion in
3889 * include/bits/range_access.h: Fix Doxygen warnings.
3890 * include/bits/refwrap.h: Do not document implementation details.
3891 (ref, cref): Group docs with reference_wrapper.
3892 * include/std/fstream: Fix Doxygen markup.
3893 * libsupc++/initializer_list (begin, end): Group docs with
3896 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
3898 * include/bits/unique_lock.h: Fix/improve doxygen markup.
3899 * include/std/mutex: Likewise.
3900 * include/std/shared_mutex: Likewise.
3902 * include/bits/fs_dir.h: Fix/improve doxygen markup.
3903 * include/bits/fs_fwd.h: Likewise.
3904 * include/bits/fs_ops.h: Likewise.
3905 * include/bits/fs_path.h: Likewise.
3906 * include/std/filesystem: Likewise.
3908 * include/experimental/bits/net.h: Fix/improve doxygen markup.
3909 * include/experimental/buffer: Likewise.
3910 * include/experimental/executor: Likewise.
3911 * include/experimental/internet: Likewise.
3912 * include/experimental/io_context: Likewise.
3913 * include/experimental/net: Likewise.
3914 * include/experimental/netfwd: Likewise.
3915 * include/experimental/socket: Likewise.
3916 * include/experimental/timer: Likewise.
3918 * doc/doxygen/doxygroups.cc: Move description of experimental group
3920 * include/experimental/algorithm: Add to libfund-ts doc group.
3921 * include/experimental/any: Likewise. Do not document implementation
3923 * include/experimental/array: Add to libfund-ts doc group.
3924 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
3925 for Library Fundamentals.
3926 * include/experimental/chrono: Add to libfund-ts doc group.
3927 * include/experimental/deque: Likewise.
3928 * include/experimental/forward_list: Likewise.
3929 * include/experimental/functional: Likewise.
3930 * include/experimental/iterator: Likewise.
3931 * include/experimental/list: Likewise.
3932 * include/experimental/map: Likewise.
3933 * include/experimental/memory: Likewise.
3934 * include/experimental/memory_resource: Likewise. Improve docs.
3936 * include/experimental/numeric: Add to libfund-ts doc group.
3937 * include/experimental/optional: Likewise.
3938 * include/experimental/propagate_const: Likewise.
3939 * include/experimental/random: Likewise.
3940 * include/experimental/ratio: Likewise.
3941 * include/experimental/regex: Likewise.
3942 * include/experimental/set: Likewise.
3943 * include/experimental/source_location: Likewise.
3944 * include/experimental/string: Likewise.
3945 * include/experimental/string_view: Likewise.
3946 * include/experimental/system_error: Likewise.
3947 * include/experimental/tuple: Likewise.
3948 * include/experimental/type_traits: Likewise.
3949 * include/experimental/unordered_map: Likewise.
3950 * include/experimental/unordered_set: Likewise.
3951 * include/experimental/utility: Likewise.
3952 * include/experimental/vector: Likewise.
3953 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
3954 * testsuite/experimental/array/neg.cc: Adjust dg-error.
3955 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
3957 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
3958 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
3959 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
3960 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
3961 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
3963 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
3964 * include/experimental/bits/fs_fwd.h: Improve docs.
3965 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
3966 * include/experimental/bits/fs_path.h: Likewise.
3967 (path, filesystem_error, u8path): Improve docs.
3968 * include/experimental/filesystem: Link to docs for TS.
3970 * config/allocator/new_allocator_base.h (__allocator_base): Add
3971 workaround for Doxygen bug #6945.
3972 * include/std/memory: Improve docs. Define group for pointer safety.
3973 * include/std/scoped_allocator: Improve docs. Use "undocumented"
3974 conditional to suppress documentation for implementation details.
3976 * include/bits/specfun.h: Improve docs.
3977 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
3980 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
3981 (std::experimental): Add docs.
3982 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
3983 namespace to nothing when generating docs.
3984 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
3985 * include/std/chrono (std::chrono): Likewise.
3986 * include/std/functional (std::placeholders): Likewise.
3987 * include/std/thread (std::this_thread): Likewise.
3989 * include/parallel/settings.h: Fix Doxygen markup.
3991 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
3992 anything unless PB_DS_CLASS_C_DEC is defined.
3993 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
3994 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
3995 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
3996 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
3997 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
3998 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
3999 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
4001 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
4002 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
4003 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
4004 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
4005 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
4006 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
4007 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
4008 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
4009 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
4010 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
4011 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
4013 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
4014 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
4016 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
4019 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
4020 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
4021 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
4024 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4026 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
4027 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
4028 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
4029 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
4030 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
4031 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
4033 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
4034 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
4037 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
4040 * include/std/complex (__complex_proj): Return parameter unchanged.
4041 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
4042 floating-point types to take std::complex arguments.
4043 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
4044 floating-point types.
4045 * testsuite/26_numerics/complex/proj.cc: New test.
4047 2019-04-30 Jakub Jelinek <jakub@redhat.com>
4049 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
4050 to _Lock_policyE[012].
4051 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
4053 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
4055 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
4056 macros accidentally left in.
4057 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
4058 unnecessary -lstdc++fs option. Fix test for mingw.
4059 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
4062 2019-04-30 Jakub Jelinek <jakub@redhat.com>
4064 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
4066 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
4068 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
4070 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
4071 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
4074 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
4076 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
4079 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
4080 class template and partial specialization.
4083 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
4085 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
4086 functions to convert a value to an integral type.
4087 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
4088 (fill_n): Convert _Size parameter to an integral type.
4089 * testsuite/25_algorithms/fill_n/87982.cc: New test.
4090 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
4091 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
4092 * testsuite/25_algorithms/generate_n/87982.cc: New test.
4093 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
4094 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
4096 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
4098 Adding noexcept-specification on tuple constructors (LWG 2899)
4099 * libstdc++-v3/include/std/tuple:
4100 (tuple()): Add noexcept-specification.
4101 (tuple(const _Elements&...)): Likewise
4102 (tuple(_UElements&&...)): Likewise
4103 (tuple(const tuple<_UElements...>&)): Likewise
4104 (tuple(tuple<_UElements...>&&)): Likewise
4105 (tuple(const _T1&, const _T2&)): Likewise
4106 (tuple(_U1&&, _U2&&)): Likewise
4107 (tuple(const tuple<_U1, _U2>&): Likewise
4108 (tuple(tuple<_U1, _U2>&&): Likewise
4109 (tuple(const pair<_U1, _U2>&): Likewise
4110 (tuple(pair<_U1, _U2>&&): Likewise
4111 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
4113 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
4116 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
4117 arguments with __restrict.
4119 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
4121 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
4123 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
4125 * include/experimental/bits/fs_path.h
4126 (path::_S_convert_loc<_InputIterator>): Create const std::string to
4127 avoid redundant call to _S_convert_loc with non-const pointers.
4129 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
4130 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
4131 * testsuite/21_strings/basic_string/hash/hash.cc
4132 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
4133 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
4134 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
4136 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
4137 wstring::_M_replace_dispatch with more specific patterns.
4138 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
4139 Create const std::string to avoid redundant call to _S_convert_loc
4140 with non-const pointers.
4141 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
4142 avoid unnecessary basic_string::assign instantiations.
4144 * include/std/memory (__uses_alloc_args): Add string-literal to
4145 static_assert, to match the one in __uses_alloc.
4146 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
4147 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
4148 for recursive uses-allocator construction of nested pairs.
4149 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
4152 2019-04-26 Jakub Jelinek <jakub@redhat.com>
4154 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
4155 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
4156 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
4157 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
4159 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
4160 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
4161 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
4162 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
4163 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
4164 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
4165 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
4167 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
4170 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
4171 * include/std/scoped_allocator [__cplusplus > 201703L]
4172 (scoped_allocator_adaptor::construct): Define in terms of
4173 uses_allocator_construction_args, as per P0591R4.
4174 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
4175 * testsuite/util/testsuite_allocator.h: Remove name of unused
4178 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
4180 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
4181 * doc/html/*: Regenerate.
4183 * include/bits/fs_path.h (operator<, operator<=, operator>)
4184 (operator>=, operator==, operator!=): Make hidden friends, as per
4186 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
4187 string type in test.
4188 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
4190 * include/std/any (any::any(ValueType&&)): Use __and_v.
4191 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
4194 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
4196 * include/std/type_traits (__result_of_memfun): Use remove_reference
4197 instead of __remove_cvref_t and remove redundant is_same check.
4198 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
4200 * include/experimental/string_view (basic_string_view::pointer)
4201 (basic_string_view::reference): Fix to refer to non-const value_type.
4202 * include/bits/basic_string.h (basic_string): Use __sv_check and
4203 __sv_limit instead of basic_string_view::_M_check and
4204 basic_string_view::_M_limit.
4205 * include/std/string_view (__sv_check, __sv_limit): New
4206 helper functions to replace basic_string_view::_M_check and
4207 basic_string_view::_M_limit.
4208 (basic_string_view): Add static assertions to enforce ill-formed
4209 requirement for traits_type::char_type from P1148R0, and to enforce
4210 required properties of char-like types.
4211 (basic_string_view::pointer, basic_string_view::reference): Fix to
4212 refer to non-const value_type.
4213 (basic_string_view::operator[], basic_string_view::at)
4214 (basic_string_view::front, basic_string_view::back)
4215 (basic_string_view::data): Use const_reference and const_pointer
4216 typedefs for return types.
4217 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
4218 (hash<wstring_view>): Fix argument_type typedef.
4219 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
4220 char/1.cc: Fix expected return type of basic_string_view::data().
4221 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
4222 wchar_t/1.cc: Likewise.
4223 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
4224 char/1.cc: Likewise.
4225 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
4226 wchar_t/1.cc: Likewise.
4227 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
4229 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
4230 Check reference and pointer typedefs.
4231 * testsuite/experimental/string_view/requirements/typedefs.cc:
4233 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
4234 Fix expected return type of basic_string_view::data().
4235 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
4237 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
4239 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
4243 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
4244 Avoid a runtime check for types that can never be stored in std::any.
4245 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
4248 PR libstdc++/90220 (partial)
4249 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
4250 not attempt ill-formed static_cast to pointers to non-object types.
4251 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
4254 * testsuite/20_util/variant/run.cc: Catch exception by reference to
4255 prevent -Wcatch-value warning.
4257 * include/std/variant (__variant_construct): Use template parameter
4258 type instead of equivalent decltype-specifier.
4259 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
4260 Replace forward with move.
4261 (_Move_ctor_base<false, Types...>::_M_destructive_move)
4262 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
4263 (_Move_ctor_base<true, Types...>::_M_destructive_move)
4264 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
4265 index after construction succeeds.
4266 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
4267 if-constexpr checks that are always true. Use __remove_cvref_t instead
4268 of remove_reference so that is_nothrow_move_constructible check
4269 doesn't use a const rvalue parameter. In the potentially-throwing case
4270 construct a temporary and move assign it, as per LWG 2904.
4271 (_Move_assign_base<false, Types...>::operator=): Remove redundant
4272 if-constexpr checks that are always true. Use emplace as per LWG 2904.
4273 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
4274 construct a temporary and move assign from it, as per LWG 2904.
4275 * testsuite/20_util/variant/exception_safety.cc: Check that
4276 assignment operators have strong exception safety guarantee.
4278 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
4280 Document PSTL linker flags
4282 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
4284 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
4286 * include/std/variant (__detail::__variant::_Traits): Make
4287 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
4288 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
4290 (__detail::__variant::_Copy_assign_alias): Only depend on
4291 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
4292 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
4293 move assignment operators.
4296 * include/std/variant (variant::__not_self): New helper for the
4297 is_same_v<remove_cvref_t<T>, variant>==false constraints.
4298 (variant::__to_type_impl): Remove.
4299 (variant::__to_type): Add default argument to check pack size, instead
4300 of using __to_type_impl.
4301 (variant::__accepted_type): Add default argument using __not_self.
4302 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
4303 for variant(T&&) constructor constraint.
4304 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
4305 Extract __accepted_type into a named template parameter for reuse in
4306 other constraints and in the exception specification.
4307 (variant::variant(in_place_type_t<T>, Args&&...))
4308 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
4309 (variant::variant(in_place_index_t<T>, Args&&...))
4310 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
4311 (variant::operator=T&&)): Remove redundant && from trait arguments.
4312 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
4313 isn't used for in_place_type or in_place_index arguments.
4315 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
4316 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
4317 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
4319 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4320 Bernd Edlinger <bernd.edlinger@hotmail.de>
4321 Jakub Jelinek <jakub@redhat.com>
4324 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
4325 general-regs-only target attribute for ARM.
4327 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
4330 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
4331 specialization also depend on is_nothrow_move_constructible.
4332 * include/std/variant (__detail::__variant::__never_valueless()):
4333 Only true if the variant would have a move assignment operator.
4334 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
4335 Check __never_valueless<T...>().
4336 (variant::emplace): Only perform non-throwing move assignments
4337 for never-valueless alternatives if the variant has a move assignment
4339 * testsuite/20_util/variant/compile.cc: Check that never-valueless
4340 types can be emplaced into non-assignable variants.
4341 * testsuite/20_util/variant/run.cc: Check that never-valueless types
4342 don't get copied when emplaced into non-assignable variants.
4344 * include/std/variant (__detail::__variant::__ref_cast): Remove
4346 (__detail::__variant::_Uninitialized::_M_get)
4347 (__detail::__variant::__get)
4348 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
4350 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
4352 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
4354 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
4355 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
4356 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
4357 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
4359 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
4361 Delegate PSTL configuration to pstl/pstl_config.h
4363 * include/bits/c++config: Remove explicit PSTL configuration
4364 macros and use definitions from <pstl/pstl_config.h>.
4366 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
4368 Cleanup algorithm implementations
4369 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
4371 (mismatch): Forward execution policy.
4372 (equal): Qualify call to std::equal().
4373 (partial_sort): Forward execution policy.
4374 (inplace_merge): Forward execution policy.
4376 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
4378 Improve implementation of parallel equal()
4379 * include/pstl/algorithm_impl.h
4380 (__internal::__brick_equal): use "4 iterator" version of
4382 (__internal::__brick_equal): use simd for random access
4383 iterators on unsequenced execution policies.
4384 (__internal::__pattern_equal): add "4 iterator" version
4385 (__internal::__pattern_equal): dispatch to simd __brick_equal
4386 for vector-only execution policies.
4387 (__internal::__pattern_equal): dispatch to __parallel_or for
4388 parallel execution policies.
4389 * include/pstl/glue_algorithm_impl.h
4390 (std::equal): dispatch to "4 iterator" version of
4391 __internal::__pattern_equal().
4393 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
4396 * include/bits/forward_list.h (operator==): Do not use operator!= to
4398 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
4399 earlier in the list, so that sort is stable.
4400 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
4401 * testsuite/23_containers/forward_list/comparable.cc: Test with
4402 types that meet the minimum EqualityComparable and LessThanComparable
4403 requirements. Remove irrelevant comment.
4405 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
4406 Do not depend on whether all alternative types are move constructible.
4407 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
4408 from the operand when deciding whether to perform the assignment.
4409 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
4410 with deleted move constructor and deleted move assignment operator.
4411 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
4412 behaviour of variants with DeletedMoves as an alternative.
4413 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
4414 (move_ctor, move_assign): Check that moving a variant with a
4415 DeletedMoves alternative falls back to copying instead of moving.
4417 * testsuite/20_util/variant/compile.cc: Remove empty string literals
4418 from static_assert declarations.
4420 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
4421 actually match its name.
4422 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
4423 (test_swap()): Fix result for MoveCtorOnly and check
4424 MoveCtorAndSwapOnly.
4426 * include/std/optional (optional::value_or(U&&) &&): Add missing
4427 constexpr specifier.
4428 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
4429 for disengaged optionals and rvalue optionals.
4430 * testsuite/20_util/optional/observers/4.cc: Likewise.
4432 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
4434 * include/pstl/algorithm_impl.h: Uglify identfiers.
4435 * include/pstl/numeric_impl.h: Uglify identfiers.
4436 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
4438 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
4440 * include/bits/c++config:
4441 Add definition for __PSTL_ASSERT.
4442 Add definition for __PSTL_ASSERT_MSG.
4443 * include/pstl/algorithm_impl.h: Replace use of assert().
4444 * include/pstl/numeric_impl.h: Replace use of assert().
4445 * include/pstl/parallel_backend_tbb.h:
4446 Replace use of assert().
4447 Replace use of __TBB_ASSERT().
4448 * include/pstl/parallel_backend_utils.h: Replace use of assert().
4450 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
4453 * src/c++17/memory_resource.cc
4454 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
4455 needed to allow placing a _Chunk at the end of the buffer.
4456 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
4458 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
4460 * doc/xml/faq.xml: Add information about emergency EH pool.
4461 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
4462 Move outdated information on mt_allocator to a separate section.
4463 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
4464 doesn't affect the default allocator.
4466 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
4470 * testsuite/20_util/variant/89851.cc: New test.
4472 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
4474 * include/std/variant: Adjust whitespace. Add comments.
4475 (_Multi_array): Leave primary template undefined.
4476 (_Multi_array<_Tp>): Define partial specialization for base case of
4478 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
4479 which is always a reference.
4480 (__gen_vtable::_S_apply()): Remove function, inline body into
4481 default member initializer.
4482 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
4484 * include/std/variant (__variant_idx_cookie): Add member type.
4485 (__visitor_result_type): Remove.
4486 (__do_visit): Use invoke_result instead of __visitor_result_type.
4487 * testsuite/20_util/variant/visit.cc: New test.
4490 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
4492 * testsuite/20_util/variant/90008.cc: New test.
4494 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
4496 * include/pstl/algorithm_impl.h: Add namespace qualification.
4497 * include/pstl/execution_defs.h: Add namespace qualification.
4498 * include/pstl/execution_impl.h: Add namespace qualification.
4499 * include/pstl/numeric_impl.h: Add namespace qualification.
4500 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
4501 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
4502 * include/pstl/parallel_backend_utils.h: Include <cassert>.
4504 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
4506 Fix visit<R> for variant.
4507 * include/std/variant (__do_visit): Add a template parameter
4508 for enforcing same return types for visit.
4509 (__gen_vtable_impl): Likewise.
4510 (_S_apply_single_alt): Adjust.
4511 (__visit_invoke_impl): New. Handle casting to void.
4512 (__do_visit_invoke): New. Enforces same return types.
4513 (__do_visit_invoke_r): New. Converts return types.
4514 (__visit_invoke): Adjust.
4515 (__gen_vtable): Add a template parameter for enforcing
4516 same return types for visit.
4517 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
4518 different return types.
4519 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
4520 visitors with different return types don't accidentally
4521 compile with regular visitation.
4523 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
4525 * testsuite/27_io/filesystem/iterators/caching.cc: Add
4526 dg-require-filesystem-ts.
4528 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
4530 * doc/xml/manual/status_cxx2020.xml: Update status.
4531 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
4532 * testsuite/20_util/variant/visit_r.cc: New test.
4534 * include/bits/fs_dir.h (directory_iterator::operator*)
4535 (directory_iterator::operator->): Add noexcept.
4536 (operator==, operator!=): Replace namespace-scope equality operators
4537 for directory iterators with hidden friends.
4540 * config/abi/pre/gnu.ver: Add missing exports.
4541 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
4544 * config/abi/pre/gnu.ver: Export new symbols.
4545 * include/bits/fs_dir.h (recursive_directory_iterator::options())
4546 (recursive_directory_iterator::recursion_pending())
4547 (recursive_directory_iterator::disable_recursion_pending()): Remove
4548 inline definitions. Make noexcept.
4549 (recursive_directory_iterator::depth())
4550 (recursive_directory_iterator::operator*())
4551 (recursive_directory_iterator::operator->()): Make noexcept.
4552 (recursive_directory_iterator::_M_options)
4553 (recursive_directory_iterator::_M_pending): Remove data members.
4554 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
4555 (recursive_directory_iterator::recursive_directory_iterator): Remove
4556 ctor-initializer. Use new constructor for _Dir_stack.
4557 (recursive_directory_iterator::options())
4558 (recursive_directory_iterator::recursion_pending())
4559 (recursive_directory_iterator::disable_recursion_pending()): Add
4560 non-inline definitions.
4561 (recursive_directory_iterator::depth()): Make noexcept.
4562 (recursive_directory_iterator::increment(error_code&))
4563 (recursive_directory_iterator::pop(error_code&)): Adjust to new
4564 location of options and recursion_pending members.
4565 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
4566 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
4567 user-declared move constructor and assignment operator, to make the
4570 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
4571 d_type == DT_UNKNOWN immediately.
4572 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
4574 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
4576 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
4578 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
4579 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
4582 PR libstdc++/87431 (again)
4583 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
4584 Define partial specialization for basic_string.
4585 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
4586 shared_ptr and weak_ptr.
4587 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
4589 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
4591 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
4593 * include/debug/vector (_Never_valueless_alt): Likewise for debug
4595 * include/std/any (_Never_valueless_alt): Define explicit
4596 specialization for any.
4597 * include/std/variant (_Never_valueless_alt): Define primary template.
4598 (__never_valueless): Use _Never_valueless_alt instead of
4599 is_trivially_copyable.
4600 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
4601 initializations to avoid try-catch overhead. Add special case for
4602 scalars produced by potentially-throwing conversions. Use
4603 _Never_valueless_alt instead of is_trivially_copyable for the
4604 remaining strong exception-safety cases.
4605 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
4606 * testsuite/20_util/variant/87431.cc: Run both test functions.
4607 * testsuite/20_util/variant/exception_safety.cc: New test.
4608 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
4609 so the variant becomes valueless.
4611 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
4614 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
4616 (variant::emplace<_Tp>): Return result of emplace<N> directly.
4618 * include/std/string (__hash_string_base): New class template defining
4619 operator() for hashing strings.
4620 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
4621 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
4622 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
4623 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
4625 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
4627 Use single-visitation in variant assignment and swap and relops.
4628 Also use indices instead of types when checking whether
4629 variants hold the same thing.
4630 * include/std/variant (__do_visit): Add a template parameter
4631 for index visitation, invoke with indices if index visitation
4633 (__variant_idx_cookie): New.
4634 (__visit_with_index): Likewise.
4635 (_Copy_assign_base::operator=): Do single-visitation with
4637 (_Move_assign_base::operator=): Likewise.
4638 (_Extra_visit_slot_needed): Adjust.
4639 (__visit_invoke): Call with indices if it's an index visitor.
4640 (relops): Do single-visitation with an index visitor.
4642 (__visitor_result_type): New.
4644 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
4646 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
4648 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
4650 Don't revisit a variant we are already visiting.
4651 * include/std/variant (__variant_construct_single): New.
4652 (__variant_construct): Use it.
4653 (_M_destructive_move): Likewise.
4654 (_M_destructive_copy): Likewise.
4655 (_Copy_assign_base::operator=): Adjust.
4656 (_Move_assign_base::operator=): Likewise.
4659 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
4662 * include/bits/hashtable.h (_Hashtable): Move static assertions to
4663 destructor so they are not evaluated until the _Key type is complete.
4664 * include/bits/stl_tree.h (_Rb_tree): Likewise.
4665 * testsuite/23_containers/set/85965.cc: New test.
4666 * testsuite/23_containers/unordered_set/85965.cc: New test.
4667 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
4668 with regexp matching the corresponding _Rb_tree specialization.
4669 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
4670 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
4671 * testsuite/23_containers/set/48101_neg.cc: Likewise.
4672 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
4673 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
4674 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
4675 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
4677 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
4680 Fix based on a suggestion by Antony Polukhin.
4681 * include/std/variant (__never_valueless): New.
4683 (_Extra_visit_slot_needed): New.
4684 (_Multi_array): Use it.
4685 (_S_apply_all_alts): Likewise.
4687 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
4690 Fix based on a suggestion by Antony Polukhin.
4691 * include/std/variant (__gen_vtable): Don't reserve an
4692 additional table slot, _Multi_array already does that.
4694 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
4697 Fix based on a suggestion by Antony Polukhin.
4698 * include/std/variant (__variant_construct): Capture a pointer
4699 to the storage and visit just one variant.
4701 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
4703 * doc/xml/manual/backwards_compatibility.xml: Remove link to
4704 Doxygen-generated pages with unstable URL.
4705 * doc/xml/manual/concurrency_extensions.xml: Likewise.
4706 * doc/xml/manual/extensions.xml: Likewise.
4707 * doc/xml/manual/parallel_mode.xml: Likewise.
4708 * doc/xml/manual/support.xml: Likewise.
4710 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
4711 avoid -Wconversion warnings.
4713 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
4715 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
4716 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
4717 (allstamped): Add stamp-pstl.
4718 (install-headers): Add ptsl_builddir.
4719 * include/Makefile.in: Regenerate.
4720 * include/bits/c++config: Add pstl configuration.
4721 * include/pstl/LICENSE.txt: New file.
4722 * include/pstl/algorithm_fwd.h: New file.
4723 * include/pstl/algorithm_impl.h: New file.
4724 * include/pstl/execution_defs.h: New file.
4725 * include/pstl/execution_impl.h: New file.
4726 * include/pstl/glue_algorithm_defs.h: New file.
4727 * include/pstl/glue_algorithm_impl.h: New file.
4728 * include/pstl/glue_execution_defs.h: New file.
4729 * include/pstl/glue_memory_defs.h: New file.
4730 * include/pstl/glue_memory_impl.h: New file.
4731 * include/pstl/glue_numeric_defs.h: New file.
4732 * include/pstl/glue_numeric_impl.h: New file.
4733 * include/pstl/memory_impl.h: New file.
4734 * include/pstl/numeric_fwd.h: New file.
4735 * include/pstl/numeric_impl.h: New file.
4736 * include/pstl/parallel_backend.h: New file.
4737 * include/pstl/parallel_backend_tbb.h: New file.
4738 * include/pstl/parallel_backend_utils.h: New file.
4739 * include/pstl/parallel_impl.h: New file.
4740 * include/pstl/pstl_config.h: New file.
4741 * include/pstl/unseq_backend_simd.h: New file.
4742 * include/pstl/utils.h: New file.
4743 * include/std/algorithm: Include parallel algorithm implementations.
4744 * include/std/execution: New file.
4745 * include/std/memory: Include parallel algorithm implementations.
4746 * include/std/numeric: Include parallel algorithm implementations.
4747 * include/std/version: Add parallel algorithms feature test macro.
4748 * testsuite/util/pstl/pstl_test_config.h: New file.
4749 * testsuite/util/pstl/test_utils.h: New file.
4750 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
4751 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
4752 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
4753 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
4754 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
4755 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
4756 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
4757 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
4758 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
4759 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
4760 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
4761 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
4762 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
4763 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
4764 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
4765 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
4766 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
4767 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
4768 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
4769 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
4770 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
4771 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
4772 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
4773 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
4774 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
4775 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
4776 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
4777 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
4778 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
4779 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
4780 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
4781 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
4782 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
4783 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
4784 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
4785 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
4786 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
4787 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
4788 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
4789 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
4790 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
4791 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
4792 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
4793 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
4794 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
4795 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
4796 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
4797 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
4798 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
4799 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
4800 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
4801 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
4802 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
4803 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
4804 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
4805 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
4806 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
4807 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
4808 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
4809 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
4810 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
4811 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
4812 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
4813 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
4814 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
4815 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
4816 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
4817 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
4818 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
4819 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
4820 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
4821 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
4822 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
4823 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
4824 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
4825 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
4826 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
4827 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
4828 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
4829 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
4830 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
4831 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
4832 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
4833 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
4834 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
4835 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
4836 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
4837 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
4838 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
4839 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
4840 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
4841 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
4842 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
4843 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
4844 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
4845 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
4846 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
4847 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
4848 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
4849 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
4850 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
4851 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
4852 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
4853 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
4854 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
4855 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
4857 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
4859 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
4860 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
4861 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
4862 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
4863 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
4864 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
4865 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
4866 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
4867 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
4868 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
4869 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
4870 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
4871 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
4872 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
4873 when the special functions IS is enabled, not for C++17.
4874 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
4876 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
4877 without checks for special functions in C++17.
4878 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
4882 * include/backward/hash_map: Use <> for includes not "".
4883 * include/backward/hash_set: Likewise.
4884 * include/backward/strstream: Likewise.
4885 * include/tr1/bessel_function.tcc: Likewise.
4886 * include/tr1/exp_integral.tcc: Likewise.
4887 * include/tr1/legendre_function.tcc: Likewise.
4888 * include/tr1/modified_bessel_func.tcc: Likewise.
4889 * include/tr1/riemann_zeta.tcc: Likewise.
4891 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
4893 * doc/xml/manual/allocator.xml: Link to table documenting evolution
4894 of extension allocators.
4895 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
4896 Document new headers in 7.2, 8.1 and 9.1 releases.
4897 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
4898 * doc/html/*: Regenerate.
4900 2019-03-12 John David Anglin <dave.anglin@bell.net>
4903 * testsuite/lib/libstdc++.exp: Locate libatomic.
4904 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
4905 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
4907 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
4908 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
4909 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
4910 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
4912 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
4915 * configure.ac: Check for sockatmark.
4916 * crossconfig.m4: Check for sockatmark.
4917 * config.h.in: Regenerate.
4918 * configure: Regenerate.
4919 * include/experimental/internet (address_v4::_S_hton): Rename
4920 overloaded functions to _S_hton_16 and _S_ntoh_16.
4921 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
4922 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
4923 * include/experimental/socket (basic_socket::at_mark): Check
4924 _GLIBCXX_HAVE_SOCKATMARK.
4926 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
4927 const variables instead of macros.
4930 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
4931 Use correct type for len_aligned.
4932 * testsuite/20_util/hash/89629.cc: New test.
4934 2019-03-11 Jakub Jelinek <jakub@redhat.com>
4937 * include/std/atomic (atomic<T>::store, atomic<T>::load,
4938 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
4939 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
4940 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
4941 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
4942 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
4943 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
4944 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
4945 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
4946 memory_order_seq_cst to int.
4948 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
4950 * doc/xml/manual/using.xml: Use link element instead of xref.
4951 * doc/html/*: Regenerate.
4953 * include/bits/fs_path.h (path::format): Add fixed underlying type.
4955 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
4958 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
4959 parameters in deduction guides.
4960 * include/debug/multimap.h (multimap): Likewise.
4961 * include/debug/set.h (multimap): Likewise.
4962 * include/debug/multiset.h (multimap): Likewise.
4963 * include/debug/unordered_map (unordered_map): Likewise.
4964 (unordered_multimap): Likewise.
4965 * include/debug/unordered_set (unordered_set): Likewise.
4966 (unordered_multiset): Likewise.
4969 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
4970 Invalidate all iterators in case of rehash.
4971 (unordered_multimap<>::_M_check_rehashed): Likewise.
4972 * include/debug/unordered_set
4973 (unordered_set<>::_M_check_rehashed): Likewise.
4974 (unordered_multiset<>::_M_check_rehashed): Likewise.
4975 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
4977 2019-03-07 Andreas Schwab <schwab@suse.de>
4979 * config/abi/post/riscv64-linux-gnu: New directory.
4980 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
4982 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
4984 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
4985 compile test to run. Fix typo.
4987 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
4988 * doc/html/*: Regenerate.
4990 P0356R5 Simplified partial function application
4991 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
4992 helpers for bind_front.
4993 (bind_front, __cpp_lib_bind_front): Define.
4994 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
4996 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4998 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
4999 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
5000 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
5001 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
5003 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
5005 PR libstdc++/86655 - std::assoc_legendre should not constrain
5006 the value of m (or x).
5007 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
5008 __sph_legendre): If degree > order Don't throw, return 0.
5009 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
5010 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
5011 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
5012 * testsuite/tr1/5_numerical_facilities/special_functions/
5013 02_assoc_legendre/pr86655.cc: New test.
5014 * testsuite/tr1/5_numerical_facilities/special_functions/
5015 22_sph_legendre/pr86655.cc: New test.
5017 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
5020 Also PR libstdc++/85517
5021 * include/std/variant (__do_visit): New.
5022 (__variant_cast): Likewise.
5023 (__variant_cookie): Likewise.
5024 (__erased_*): Remove.
5025 (_Variant_storage::_S_vtable): Likewise.
5026 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
5027 (_Variant_storage::__M_reset): Adjust.
5028 (__variant_construct): New.
5029 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
5030 __variant_construct.
5031 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
5032 (_Move_ctor_base::__M_destructive_copy): New.
5033 (_Move_ctor_base::__M_destructive_move): Adjust to use
5034 __variant_construct.
5035 (_Copy_assign_base::operator=): Adjust to use __do_visit.
5036 (_Copy_assign_alias): Adjust to check both copy assignment
5037 and copy construction for triviality.
5038 (_Move_assign_base::operator=): Adjust to use __do_visit.
5039 (_Multi_array): Add support for visitors that accept and return
5041 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
5042 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
5043 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
5044 a __variant_cookie temporary for a variant that is valueless and..
5045 (__gen_vtable_impl::__visit_invoke): ..adjust here.
5046 (__gen_vtable::_Array_type): Conditionally make space for
5047 the __variant_cookie visitor case.
5048 (__variant_construct_by_index): New.
5049 (get_if): Adjust to use std::addressof.
5050 (relops): Adjust to use __do_visit.
5051 (variant): Add __variant_cast and __variant_construct_by_index
5053 (variant::emplace): Use _M_reset() and __variant_construct_by_index
5054 instead of self-destruction.
5055 (variant::swap): Adjust to use __do_visit.
5056 (visit): Reimplement in terms of __do_visit.
5057 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
5058 * testsuite/20_util/variant/compile.cc: Adjust.
5059 * testsuite/20_util/variant/run.cc: Likewise.
5061 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
5063 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
5065 * testsuite/experimental/feat-char8_t.cc: Likewise.
5067 * include/std/type_traits [C++20] (is_bounded_array)
5068 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
5070 * testsuite/20_util/is_bounded_array/requirements/
5071 explicit_instantiation.cc: New test.
5072 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
5074 * testsuite/20_util/is_bounded_array/value.cc: New test.
5075 * testsuite/20_util/is_unbounded_array/requirements/
5076 explicit_instantiation.cc: New test.
5077 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
5079 * testsuite/20_util/is_unbounded_array/value.cc: New test.
5081 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
5083 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
5085 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
5087 * include/c_compatibility/math.h [C++20] (lerp): Add using
5089 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
5090 (__lerp): Define function template to implement lerp.
5091 (lerp(float, float, float), lerp(double, double, double))
5092 (lerp(long double, long double, long double)): Define for C++20.
5093 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
5094 (midpoint(T, T), midpoint(T*, T*)): Define.
5095 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
5096 * testsuite/26_numerics/lerp.cc: New test.
5097 * testsuite/26_numerics/midpoint/floating.cc: New test.
5098 * testsuite/26_numerics/midpoint/integral.cc: New test.
5099 * testsuite/26_numerics/midpoint/pointer.cc: New test.
5101 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
5103 PR libstdc++/88996 Implement P0439R0
5104 Make std::memory_order a scoped enumeration.
5105 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
5106 add variables for the old enumerators. Adjust calls.
5107 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
5108 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
5110 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
5112 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
5115 * include/std/memory_resource (polymorphic_allocator): Add default
5116 template argument for C++20.
5117 (polymorphic_allocator::allocate_bytes)
5118 (polymorphic_allocator::deallocate_bytes)
5119 (polymorphic_allocator::allocate_object)
5120 (polymorphic_allocator::deallocate_object)
5121 (polymorphic_allocator::new_object)
5122 (polymorphic_allocator::delete_object): New member functions for
5124 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
5127 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
5130 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
5133 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
5135 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
5136 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
5138 * include/std/memory (uses_allocator_construction_args): New set of
5139 overloaded functions.
5140 (make_obj_using_allocator, uninitialized_construct_using_allocator):
5142 * include/std/memory_resource (polymorphic_allocator::construct)
5143 [__cplusplus > 201703l]: Replace all overloads with a single function
5144 using uses_allocator_construction_args.
5145 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
5147 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
5149 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
5152 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
5153 stylesheet directories before check for xsltproc. Try to use
5154 xmlcatalog to find local stylesheet directory before trying hardcoded
5155 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
5156 check to look for the same stylesheet as doc/Makefile.am uses. Don't
5157 use xsltproc if xmlcatalog fails to find a local stylesheet.
5158 * configure.ac: Check for xmlcatalog.
5159 * Makefile.in: Regenerate.
5160 * configure: Likewise.
5161 * doc/Makefile.in: Likewise.
5162 * include/Makefile.in: Likewise.
5163 * libsupc++/Makefile.in: Likewise.
5164 * po/Makefile.in: Likewise.
5165 * python/Makefile.in: Likewise.
5166 * src/Makefile.in: Likewise.
5167 * src/c++11/Makefile.in: Likewise.
5168 * src/c++17/Makefile.in: Likewise.
5169 * src/c++98/Makefile.in: Likewise.
5170 * src/filesystem/Makefile.in: Likewise.
5171 * testsuite/Makefile.in: Likewise.
5173 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
5176 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
5177 container deduction guides.
5178 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
5179 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
5180 parameters in deduction guides.
5181 * include/bits/stl_multimap.h (multimap): Likewise.
5182 * include/bits/stl_multiset.h (multiset): Likewise.
5183 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
5184 * include/bits/stl_set.h (set): Likewise.
5185 * include/bits/stl_stack.h (stack): Likewise.
5186 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
5187 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
5188 constrain parameters in deduction guides.
5189 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
5191 * testsuite/23_containers/map/cons/deduction.cc: Test additional
5193 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
5194 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
5195 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
5196 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
5198 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
5200 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
5203 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
5204 to class template and partial specialization using void_t.
5205 (__is_copy_insertable, __is_move_insertable): Adjust base class.
5207 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
5210 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
5211 copy and move members public.
5213 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
5215 * include/std/type_traits (__underlying_type_impl): New helper to
5216 make underlying_type SFINAE-friendly.
5217 (underlying_type): Derive from __underlying_type_impl.
5218 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
5222 * include/bits/char_traits.h (__constant_char_array): Check index is
5223 in range before dereferencing.
5224 (char_traits<char>::compare, char_traits<char>::find)
5225 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
5226 immediately if n is zero.
5227 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
5228 Remove workarounds for PR 67026.
5229 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
5231 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
5234 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
5236 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
5237 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
5239 2019-02-22 Jakub Jelinek <jakub@redhat.com>
5242 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
5243 type to std::size_t and argument to type to long double.
5245 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
5247 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
5248 * config/abi/post/sparc64-linux-gnu: New directory.
5249 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
5250 * config/abi/post/sparc64-linux-gnu/32: New directory.
5251 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
5253 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
5255 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
5256 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
5259 2019-02-22 Tom Honermann <tom@honermann.net>
5261 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
5262 printers for u8string and u8string_view.
5264 2019-02-22 Tom Honermann <tom@honermann.net>
5266 * testsuite/18_support/byte/ops.cc: Validate
5267 std::to_integer<char8_t>, std::to_integer<char16_t>, and
5268 std::to_integer<char32_t>.
5269 * testsuite/18_support/numeric_limits/dr559.cc: Validate
5270 std::numeric_limits<char8_t>.
5271 * testsuite/18_support/numeric_limits/lowest.cc: Validate
5272 std::numeric_limits<char8_t>::lowest().
5273 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
5274 std::numeric_limits<char8_t>::max_digits10.
5275 * testsuite/18_support/type_info/fundamental.cc: Validate
5276 typeinfo for char8_t.
5277 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
5278 std::from_chars with char8_t.
5279 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
5280 Validate explicit instantiation of std::hash<char8_t>.
5281 * testsuite/20_util/is_integral/value.cc: Validate
5282 std::is_integral<char8_t>.
5283 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
5284 Validate std::make_signed<char8_t>.
5285 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
5286 Validate u8string construction from char8_t sources.
5287 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
5289 * testsuite/21_strings/basic_string_view/operations/compare/
5290 char/70483.cc: Validate substr operations on u8string_view.
5291 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
5292 the u8string_view typedef is defined.
5293 * testsuite/21_strings/char_traits/requirements/
5294 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
5296 * testsuite/21_strings/char_traits/requirements/
5297 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
5298 constexpr member functions.
5299 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
5300 that the u8string typedef is defined.
5301 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
5302 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
5303 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
5304 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
5306 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
5307 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
5309 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
5310 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
5311 Validate std::atomic<char8_t>::is_always_lock_free
5312 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
5313 Update line numbers.
5314 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
5316 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
5318 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
5319 Validate std::experimental::pmr::u8string.
5320 * testsuite/experimental/string_view/typedefs.cc: Validate that the
5321 u8string_view typedef is defined.
5322 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
5323 char32_t to the typelists.
5325 2019-02-22 Tom Honermann <tom@honermann.net>
5327 * include/ext/typelist.h: Constrain a partial specialization of
5328 typelist::detail::append_ to only match chain<T1,T2>.
5330 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
5333 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
5334 class template with class. Replace move and copy member types with
5335 member alias templates, so they are only instantiated when needed.
5336 (__is_copy_insertable, __is_move_insertable): Adjust base class.
5337 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
5338 test for C++11/14/17 as well.
5339 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
5342 2019-02-20 Jakub Jelinek <jakub@redhat.com>
5345 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
5346 _GLIBCXX_PURE to the alias declaration.
5348 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
5350 * testsuite/21_strings/basic_string/literals/types.cc
5351 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
5352 * testsuite/21_strings/basic_string/literals/values.cc
5353 [_GLIBCXX_USE_CHAR8_T]: Likewise.
5354 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
5355 potentially having different type.
5356 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
5357 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
5359 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
5360 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
5361 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
5362 string literals only using basic character set.
5363 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
5364 u8 literals to char.
5365 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
5366 Test ATOMIC_CHAR8_T_LOCK_FREE.
5367 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
5368 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
5369 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
5370 * testsuite/experimental/string_view/literals/types.cc
5371 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
5373 * testsuite/experimental/string_view/literals/values.cc
5374 [_GLIBCXX_USE_CHAR8_T]: Likewise.
5376 2019-02-19 Tom Honermann <tom@honermann.net>
5378 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
5379 from char16_32_t.cc; validates numeric_limits<char8_t>.
5380 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
5381 test cloned from types.cc; validates operator""s for char8_t
5383 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
5384 test cloned from values.cc; validates construction and comparison
5386 * testsuite/21_strings/basic_string/requirements/
5387 /explicit_instantiation/char8_t/1.cc: New test cloned from
5388 char16_t/1.cc; validates explicit instantiation of
5389 basic_string<char8_t>.
5390 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
5391 New test cloned from types.cc; validates operator""sv for char8_t
5392 returns u8string_view.
5393 * testsuite/21_strings/basic_string_view/literals/
5394 values-char8_t.cc: New test cloned from values.cc; validates
5395 construction and comparison of u8string_view values.
5396 * testsuite/21_strings/basic_string_view/requirements/
5397 explicit_instantiation/char8_t/1.cc: New test cloned from
5398 char16_t/1.cc; validates explicit instantiation of
5399 basic_string_view<char8_t>.
5400 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
5401 New test cloned from char16_t/65049.cc; validates that
5402 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
5403 * testsuite/21_strings/char_traits/requirements/char8_t/
5404 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
5405 that char_traits<char8_t> member typedefs are present and correct.
5406 * testsuite/21_strings/char_traits/requirements/
5407 explicit_instantiation/char8_t/1.cc: New test cloned from
5408 char16_t/1.cc; validates explicit instantiation of
5409 char_traits<char8_t>.
5410 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
5411 from char16_t.cc: validates
5412 codecvt<char16_t, char8_t, mbstate_t>.
5413 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
5414 from char32_t.cc: validates
5415 codecvt<char32_t, char8_t, mbstate_t>.
5416 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
5417 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
5418 codecvt<char32_t, char8_t, std::mbstate_t>.
5419 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
5420 test cloned from string.cc; validates filesystem::path construction
5422 * testsuite/experimental/feat-char8_t.cc: New test; validates that
5423 the __cpp_lib_char8_t feature test macro is defined with the
5425 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
5426 New test cloned from string.cc; validates filesystem::path
5427 construction from char8_t input.
5428 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
5429 test cloned from types.cc; validates operator""sv for char8_t
5430 returns u8string_view.
5431 * testsuite/experimental/string_view/literals/values-char8_t.cc:
5432 New test cloned from values.cc; validates construction and
5433 comparison of u8string_view values.
5434 * testsuite/experimental/string_view/requirements/
5435 explicit_instantiation/char8_t/1.cc: New test cloned from
5436 char16_t/1.cc; validates explicit instantiation of
5437 basic_string_view<char8_t>.
5438 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
5439 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
5442 2019-02-19 Tom Honermann <tom@honermann.net>
5444 P0482R5 char8_t: Standard library support
5445 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
5446 typeinfo symbols for char8_t.
5447 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
5448 (GLIBCXX_3.4.26): Add symbols for specializations of
5449 numeric_limits and codecvt that involve char8_t.
5450 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
5451 * include/bits/atomic_base.h: Add atomic_char8_t.
5452 * include/bits/basic_string.h: Add std::hash<u8string> and
5453 operator""s(const char8_t*, size_t).
5454 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
5456 * include/bits/char_traits.h: Add char_traits<char8_t>.
5457 * include/bits/codecvt.h: Add
5458 codecvt<char16_t, char8_t, mbstate_t>,
5459 codecvt<char32_t, char8_t, mbstate_t>,
5460 codecvt_byname<char16_t, char8_t, mbstate_t>, and
5461 codecvt_byname<char32_t, char8_t, mbstate_t>.
5462 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
5463 recognize char8_t as an integral type.
5464 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
5466 (path::u8string): Return std::u8string when char8_t support is
5468 (path::generic_u8string): Likewise.
5469 (path::_S_convert): Handle conversion from char8_t input.
5470 (path::_S_str_convert): Likewise.
5471 * include/bits/functional_hash.h: Add hash<char8_t>.
5472 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
5474 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
5475 for new char8_t specializations.
5476 * include/bits/localefwd.h: Add missing declarations of
5477 codecvt<char16_t, char, mbstate_t> and
5478 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
5479 codecvt<char16_t, char8_t, mbstate_t> and
5480 codecvt<char32_t, char8_t, mbstate_t>.
5481 * include/bits/postypes.h: Add u8streampos
5482 * include/bits/stringfwd.h: Add declarations of
5483 char_traits<char8_t> and u8string.
5484 * include/c_global/cstddef: Add __byte_operand<char8_t>.
5485 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
5487 (path::u8string): Return std::u8string when char8_t support is
5489 (path::generic_u8string): Likewise.
5490 (path::_S_convert): Handle conversion from char8_t input.
5491 (path::_S_str_convert): Likewise.
5492 * include/experimental/string: Add u8string.
5493 * include/experimental/string_view: Add u8string_view,
5494 hash<experimental::u8string_view>, and
5495 operator""sv(const char8_t*, size_t).
5496 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
5497 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
5498 as a character type.
5499 * include/std/limits: Add numeric_limits<char8_t>.
5500 * include/std/string_view: Add u8string_view,
5501 hash<experimental::u8string_view>, and
5502 operator""sv(const char8_t*, size_t).
5503 * include/std/type_traits: Add __is_integral_helper<char8_t>,
5504 __make_unsigned<char8_t>, and __make_signed<char8_t>.
5505 * libsupc++/atomic_lockfree_defines.h: Define
5506 ATOMIC_CHAR8_T_LOCK_FREE.
5507 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
5508 codecvt.cc and limits.cc so that char8_t specializations of
5509 numeric_limits and codecvt and emitted.
5510 * src/c++11/Makefile.in: Likewise.
5511 * src/c++11/codecvt.cc: Define members of
5512 codecvt<char16_t, char8_t, mbstate_t>,
5513 codecvt<char32_t, char8_t, mbstate_t>,
5514 codecvt_byname<char16_t, char8_t, mbstate_t>, and
5515 codecvt_byname<char32_t, char8_t, mbstate_t>.
5516 * src/c++11/limits.cc: Define members of
5517 numeric_limits<char8_t>.
5518 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
5519 locale_init.cc and localename.cc.
5520 * src/c++98/Makefile.in: Likewise.
5521 * src/c++98/locale_init.cc: Add initialization for the
5522 codecvt<char16_t, char8_t, mbstate_t> and
5523 codecvt<char32_t, char8_t, mbstate_t> facets.
5524 * src/c++98/localename.cc: Likewise.
5525 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
5527 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
5529 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
5530 * 27_io/filesystem/operations/resize_file.cc: Likewise.
5531 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
5533 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
5535 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
5536 * doc/html/*: Regenerate.
5538 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
5539 * doc/html/*: Regenerate.
5541 * doc/xml/manual/intro.xml: Document LWG 2586 status.
5542 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
5543 allocator type in is_constructible checks.
5544 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
5545 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
5546 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
5547 problematic type from LWG 2586 discussion.
5548 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
5549 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
5551 * configure.ac: Check for C11 timespec_get function.
5552 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
5554 * config.h.in: Regenerate.
5555 * configure: Regenerate.
5556 * include/c_global/ctime (timespec, timespec_get): Add to namespace
5557 std for C++17 and up.
5559 * doc/xml/manual/intro.xml: Document LWG 2537 status.
5560 * include/bits/stl_queue.h
5561 (priority_queue(const Compare&, const Container&, const Alloc&))
5562 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
5564 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
5566 * doc/xml/manual/intro.xml: Document LWG 2566 status.
5567 * include/bits/stl_queue.h (queue, priority_queue): Add static
5568 assertions to enforce LWG 2566 requirement on value_type.
5569 * include/bits/stl_stack.h (stack): Likewise.
5572 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
5574 * doc/xml/manual/intro.xml: Document LWG 2735 status.
5575 * include/bits/std_abs.h: Add comment about LWG 2735.
5576 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
5578 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
5581 * include/std/version [__cpp_impl_destroying_delete]
5582 (__cpp_lib_destroying_delete): Only define for C++2a and later.
5583 * libsupc++/new [__cpp_impl_destroying_delete]
5584 (__cpp_lib_destroying_delete): Likewise.
5585 (destroying_delete_t, destroying_delete): Likewise, but define even
5586 when __cpp_impl_destroying_delete is not defined.
5587 * testsuite/18_support/destroying_delete.cc: New test.
5589 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
5592 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
5593 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
5594 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
5595 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
5597 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
5600 * include/bits/fs_path.h (path::has_root_name)
5601 (path::has_root_directory, path::has_root_path)
5602 (path::has_relative_path, path::has_parent_path)
5603 (path::has_filename, path::has_stem, path::has_extension)
5604 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
5606 * src/c++17/fs_path.cc (path::has_root_name)
5607 (path::has_root_directory, path::has_root_path)
5608 (path::has_relative_path, path::has_parent_path)
5609 (path::has_filename, path::_M_find_extension): Add noexcept.
5611 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
5613 PR libstdc++/89102 (partial)
5614 * include/std/type_traits (common_type<>): Define.
5615 (common_type<T>): Derive from common_type<T, T>.
5616 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
5617 Test zero-length template argument list.
5618 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
5619 Test additional single argument cases.
5620 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
5621 Adjust expected error.
5623 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
5626 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
5628 * include/bits/stl_stack.h (stack): Likewise.
5629 * testsuite/23_containers/priority_queue/deduction.cc: New test.
5630 * testsuite/23_containers/queue/deduction.cc: New test.
5631 * testsuite/23_containers/stack/deduction.cc: New test.
5634 * include/std/type_traits (__is_convertible_helper)
5635 (__is_convertible_helper<_From, _To, false>): Revert changes to
5636 support is_nothrow_convertible.
5637 (__is_nt_convertible_helper): New helper.
5638 (is_nothrow_convertible): Use __is_nt_convertible_helper.
5640 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
5641 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
5644 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
5645 __is_alloc_insertable_impl. Replace single type member with two
5646 members, one for each of copy and move insertable.
5647 (__is_move_insertable): New trait for internal use.
5648 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
5649 (vector::_S_nothrow_relocate(true_type)): New functions to
5650 conditionally check if __relocate_a can throw.
5651 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
5652 on __is_move_insertable.
5653 (vector::_S_do_relocate): New overloaded functions to conditionally
5655 (vector::_S_relocate): New function that dispatches to _S_do_relocate
5656 based on _S_use_relocate.
5657 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
5658 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
5659 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
5662 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
5663 parameter unnamed. Add message to static assertion.
5664 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
5665 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
5668 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
5671 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
5673 (__is_bitwise_relocatable): ... to this.
5674 (__relocate_a_1): Adapt.
5675 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
5676 (__is_bitwise_relocatable): ... to this.
5678 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
5681 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
5682 final component as well as from _M_pathname. Append the dot using
5683 operator+= instead of only to _M_pathname.
5684 (path::_M_find_extension): Reformat slightly.
5685 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
5686 Add more test cases.
5688 2019-01-30 Ulrich Drepper <drepper@redhat.com>
5690 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
5692 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
5694 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
5695 constexpr specifiers from arg and proj.
5697 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
5698 __shared_ptr instantiations used by gcc4-compatible ABI.
5700 * include/experimental/forward_list (experimental::erase): Qualify
5702 * include/experimental/list (experimental::erase): Likewise.
5703 * include/std/forward_list (std::erase): Likewise.
5704 * include/std/list (std::erase): Likewise.
5706 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
5708 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
5709 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
5710 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
5711 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
5712 * testsuite/ext/array_allocator/26875.cc: Likewise.
5713 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
5714 * testsuite/util/replacement_memory_operators.h: Likewise.
5715 * testsuite/util/testsuite_allocator.h: Likewise.
5717 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
5718 normal mode vector, even for debug mode.
5719 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
5720 Define alias template for normal mode vector.
5722 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
5725 * config/locale/generic/c_locale.h (__convert_from_v)
5726 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
5727 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
5728 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
5729 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
5731 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
5734 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
5735 data member with static member function _S_use_relocate().
5736 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
5737 (vector::_M_default_append): Use _S_use_relocate() instead of
5740 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
5743 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
5746 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
5747 write to stderr instead of using printf.
5749 2019-01-21 Jakub Jelinek <jakub@redhat.com>
5752 * include/bits/char_traits.h (__constant_string_p,
5753 __constant_char_array_p): Use __builtin_is_constant_evaluated if
5756 2019-01-20 Ulrich Drepper <drepper@redhat.com>
5758 Implement C++20 P0600r1.
5759 * include/backward/hash_map: Add nodiscard attribute to empty.
5760 * include/backward/hash_set: Likewise.
5761 * backward/hashtable.h: Likewise.
5762 * include/bits/basic_string.h: Likewise.
5763 * include/bits/forward_list.h: Likewise.
5764 * include/bits/hashtable.h: Likewise.
5765 * include/bits/regex.h: Likewise.
5766 * include/bits/stl_deque.h: Likewise.
5767 * include/bits/stl_list.h: Likewise.
5768 * include/bits/stl_map.h: Likewise.
5769 * include/bits/stl_multimap.h: Likewise.
5770 * include/bits/stl_multiset.h: Likewise.
5771 * include/bits/stl_queue.h: Likewise.
5772 * include/bits/stl_set.h: Likewise.
5773 * include/bits/stl_stack.h: Likewise.
5774 * include/bits/stl_tree.h: Likewise.
5775 * include/bits/stl_vector.h: Likewise.
5776 * include/bits/unordered_map.h: Likewise.
5777 * include/bits/unordered_set.h: Likewise.
5778 * include/debug/array: Likewise.
5779 * include/experimental/any: Likewise.
5780 * include/experimental/bits/fs_path.h: Likewise.
5781 * include/experimental/internet: Likewise.
5782 * include/experimental/string_view: Likewise.
5783 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
5785 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
5787 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
5789 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
5791 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
5793 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
5795 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
5797 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
5799 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
5800 info_fn_imps.hpp: Likewise.
5801 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
5802 left_child_next_sibling_heap_.hpp: Likewise.
5803 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
5805 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
5807 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
5809 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
5811 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
5813 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
5815 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
5817 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
5818 * include/ext/pb_ds/trie_policy.hpp: Likewise.
5819 * include/ext/rope: Likewise.
5820 * include/ext/slist: Likewise.
5821 * include/ext/vstring.h: Likewise.
5822 * include/profile/array: Likewise.
5823 * include/std/array: Likewise.
5824 * include/tr1/array: Likewise.
5825 * include/tr1/hashtable.h: Likewise.
5826 * include/tr1/regex: Likewise.
5827 * include/tr2/dynamic_bitset: Likewise.
5828 * include/bits/alloc_traits.h: Add nodiscard attribute to
5830 * include/experimental/memory_resource: Likewise.
5831 * include/ext/alloc_traits.h: Likewise.
5832 * include/ext/array_allocator.h: Likewise.
5833 * include/ext/bitmap_allocator.h: Likewise.
5834 * include/ext/debug_allocator.h: Likewise.
5835 * include/ext/extptr_allocator.h: Likewise.
5836 * include/ext/mt_allocator.h: Likewise.
5837 * include/ext/new_allocator.h: Likewise.
5838 * include/ext/pool_allocator.h: Likewise.
5839 * include/ext/throw_allocator.h: Likewise.
5840 * include/std/scoped_allocator: Likewise.
5841 * libsupc++/eh_alloc.cc: Likewise.
5842 * include/std/future: Add nodiscard attribute to async.
5843 * libsupc++/new: Add nodiscard attribute to new.
5845 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
5850 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
5851 * include/bits/shared_ptr.h
5852 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
5853 (allocate_shared): Change to use new tag type.
5854 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
5855 Declare new member function.
5856 (_Sp_alloc_shared_tag): Define new type.
5857 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
5858 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
5859 _Sp_make_shared_tag::_S_eq to check type_info.
5860 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
5861 Constrain to prevent being called with _Sp_alloc_shared_tag.
5862 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
5863 Replace constructor with ...
5864 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
5865 reference parameter so address of the new object can be returned to
5866 the caller. Obtain the allocator from the tag type.
5867 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
5868 constructor with ...
5869 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
5870 to the __shared_count constructor.
5871 (__allocate_shared): Change to use new tag type.
5872 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
5874 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
5876 * src/c++17/fs_ops.cc
5877 (equivalent(const path&, const path&, error_code&))
5878 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
5879 compare files instead of relying on incomplete info returned by stat.
5882 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
5883 if the path is already absolute.
5884 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
5885 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
5888 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
5889 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
5890 of filesystem::exists.
5891 (create_directories(const path&, error_code&)): Add assertions.
5892 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
5893 Add workaround for bug in _wstat for paths with trailing slash.
5894 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
5895 for expected behaviour on mingw.
5896 * testsuite/experimental/filesystem/operations/create_directories.cc:
5898 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
5899 "TMP" instead of "TMPDIR" and clean environment before each test. Do
5900 not test permissions on mingw targets.
5902 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
5904 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
5905 constructors and open members taking wide strings. Fix patterns for
5906 filesystem::path members to match wstring_view parameters. Add
5907 exports for shared_ptr members used by directory iterators.
5908 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
5909 error code parameter if the file doesn't exist.
5910 * src/filesystem/ops.cc (remove(const path&, error_code&)):
5912 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
5913 values for mingw targets, where "/" is not an absolute path. Do not
5914 test symlinks on mingw targets.
5915 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
5916 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
5918 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
5919 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
5920 that each component of the path is created.
5921 * testsuite/experimental/filesystem/operations/create_directories.cc:
5923 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
5924 permissions on mingw targets.
5925 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
5926 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
5927 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
5928 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
5930 * testsuite/experimental/filesystem/operations/permissions.cc:
5932 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
5933 symlinks or permissions on mingw targets.
5934 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
5935 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
5936 symlinks on mingw targets.
5937 * testsuite/experimental/filesystem/operations/remove_all.cc:
5939 * testsuite/27_io/filesystem/operations/status.cc: Do not test
5940 permissions on mingw targets.
5941 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
5942 test symlinks on mingw targets.
5943 * testsuite/experimental/filesystem/operations/space.cc: Fix test
5946 2019-02-14 Ulrich Drepper <drepper@redhat.com>
5949 Warn about unused comparisons of shared_ptr/unique_ptr
5950 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
5951 * include/bits/shared_ptr.h: Use it for operator ==, !=,
5952 <, <=, >, >= for shared_ptr.
5953 * include/bits/unique_ptr.h: Likewise for unique_ptr.
5955 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
5957 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
5958 as 201611L, because P0497R0 changes are supported.
5959 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
5961 * include/bits/erase_if.h [__cplusplus > 201703L]
5962 (__cpp_lib_erase_if): Only define for C++2a.
5963 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5964 (__cpp_lib_null_iterators): Define.
5965 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5966 (__cpp_lib_null_iterators): Define.
5967 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
5969 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
5971 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
5973 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
5974 changes are supported.
5975 * include/std/optional (__cpp_lib_optional): Likewise.
5976 * include/std/variant (__cpp_lib_variant): Likewise.
5977 * include/std/version [!__STRICT_ANSI__]
5978 (__cpp_lib_uncaught_exceptions): Define as long integer.
5979 [__cplusplus >= 201703L] (__cpp_lib_any)
5980 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
5981 (__cpp_lib_variant): Define for C++17.
5982 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
5984 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
5987 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
5989 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
5993 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
5995 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
5998 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
6000 * doc/xml/manual/intro.xml: Include new section.
6001 * doc/xml/manual/status_cxx2017.xml: Document more
6002 implementation-defined properties of the library.
6003 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
6004 * doc/html/*: Regenerate.
6006 * include/bits/refwrap.h [__cplusplus > 201703L]
6007 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
6008 (_Reference_wrapper_base_memfun): Do not define for C++2a.
6009 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
6011 (reference_wrapper::operator()): Add static assertion.
6012 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
6014 * include/std/chrono (duration_values::zero(), duration_values::min())
6015 (duration_values::max()): Add noexcept.
6016 (duration::zero(), duration::min(), duration::max()): Likewise.
6017 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
6018 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
6019 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
6021 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
6023 2019-01-11 Jakub Jelinek <jakub@redhat.com>
6025 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
6026 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
6028 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
6031 * include/bits/functional_hash.h (hash<nullptr_t>): Define
6032 specialization for C++17 (P0513R0, LWG 2817).
6033 * testsuite/20_util/hash/nullptr.cc: New test.
6036 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
6037 pattern for std::basic_stringbuf::str().
6039 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
6040 basic_ostream::operator<< patterns.
6042 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
6044 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
6045 test failures on targets with 32-bit time_t.
6047 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
6048 * include/std/deque: Likewise.
6049 * include/std/forward_list: Likewise.
6050 * include/std/list: Likewise.
6051 * include/std/string: Likewise.
6052 * include/std/vector: Likewise.
6053 * include/std/version: Likewise.
6054 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
6055 * testsuite/23_containers/deque/erasure.cc: Likewise.
6056 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
6057 * testsuite/23_containers/list/erasure.cc: Likewise.
6058 * testsuite/23_containers/map/erasure.cc: Likewise.
6059 * testsuite/23_containers/set/erasure.cc: Likewise.
6060 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
6061 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
6062 * testsuite/23_containers/vector/erasure.cc: Likewise.
6064 * include/experimental/internet [AI_NUMERICSERV]
6065 (resolver_base::numeric_service): Define conditionally.
6066 * testsuite/experimental/net/internet/resolver/base.cc: Test it
6068 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
6071 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
6072 Jonathan Wakely <jwakely@redhat.com>
6075 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
6076 (GLIBCXX_3.4.26): Add new exports.
6077 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
6078 correct list of sources.
6079 * include/Makefile.in: Regenerate.
6080 * include/std/ostream (operator<<(nullptr_t)): New member function.
6081 * src/c++17/ostream-inst.cc: New file.
6082 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
6085 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
6087 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
6088 of the source file containing the caller.
6089 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
6090 directories created by test.
6091 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
6093 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
6095 * testsuite/experimental/filesystem/iterators/
6096 recursive_directory_iterator.cc: Likewise.
6098 2019-01-10 Jakub Jelinek <jakub@redhat.com>
6100 PR tree-optimization/88775
6101 * include/bits/stl_function.h (greater<_Tp*>::operator(),
6102 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
6103 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
6104 instead of __builtin_constant_p if available. Don't bother with
6105 the pointer comparison in C++11 and earlier.
6107 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
6111 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
6114 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
6116 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
6117 for filesystem::path. Give variables more distinctive names.
6119 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
6120 member function to perform non-trivial assignment.
6121 (_Optional_payload_base::_M_move_assign): Likewise.
6122 (_Optional_payload<T, true, false, true>::operator=)
6123 (_Optional_payload<T, true, true, false>::operator=)
6124 (_Optional_payload<T, true, false, false>::operator=): Call
6125 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
6128 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
6129 test std::complex<long double> if long double format is IBM128.
6130 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
6133 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
6135 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
6136 for old std::unique_ptr layout.
6137 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
6138 to become valueless. Add filesystem::path tests.
6141 * include/std/optional (_Optional_payload_base): New class template
6142 for common code hoisted from _Optional_payload specializations. Use
6143 a template for the union, to allow a partial specialization for
6144 types with non-trivial destructors. Add constructors for in-place
6145 initialization to the union.
6146 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
6147 to perform non-trivial copy construction, instead of relying on
6148 non-standard copy elision in a delegating constructor.
6149 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
6150 non-trivial move construction.
6151 (_Optional_payload): Derive from _Optional_payload_base and use it
6152 for everything except the non-trivial assignment operators, which are
6154 (_Optional_payload<false, C, M>): Derive from the specialization
6155 _Optional_payload<true, false, false> and add a destructor.
6156 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
6157 Forward to corresponding members of _Optional_payload.
6158 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
6159 Hoist common members from _Optional_base.
6160 (_Optional_base): Make all members and base class public.
6161 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
6162 _Optional_base_impl.
6163 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
6164 support for new std::optional layout.
6165 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
6168 * include/bits/locale_conv.h: Use <> for includes not "".
6169 * include/ext/random: Likewise.
6170 * include/ext/vstring.h: Likewise.
6172 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6174 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
6175 (GLIBCXX_3.4.21): Likewise.
6177 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
6180 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
6181 to match the one that controls whether utimbuf and utime are declared.
6183 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
6186 * include/bits/char_traits.h (char_traits::move): Do not pass null
6187 pointers to memmove.
6188 * include/bits/locale_facets.h
6189 (ctype<char>::widen(const char*, const char*, char*)): Do not
6190 pass null pointers to memcpy.
6191 (ctype<char>::narrow(const char*, const char*, char, char*)):
6193 (ctype<char>::do_widen(const char*, const char*, char*)):
6195 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
6198 * doc/xml/manual/spine.xml: Update copyright years.
6199 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
6200 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
6201 for C++17 filesystem library.
6202 * doc/html/*: Regenerate.
6204 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
6205 * config.h.in: Regenerate.
6206 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
6207 alphabetically and add missing entries for copy_symlink,
6208 hard_link_count, rename, and resize_file.
6209 * configure: Regenerate.
6210 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
6211 used unconditionally.
6212 * src/filesystem/ops-common.h (__gnu_posix::truncate)
6213 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
6214 supports truncating to zero length.
6215 * testsuite/27_io/filesystem/operations/all.cc: New test.
6216 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
6218 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
6221 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
6222 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
6223 * config.h.in: Regenerate.
6224 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
6225 remaining std::filesystem types and functions.
6226 * configure: Regenerate.
6227 * src/c++17/Makefile.am: Add C++17 filesystem sources.
6228 * src/c++17/Makefile.in: Regenerate.
6229 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
6230 here, and change name of included file.
6231 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
6232 here, and change name of included file.
6233 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
6234 path to dir-common.h.
6235 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
6236 path to ops-common.h. Disable -Wunused-parameter warnings.
6237 (internal_file_clock): Define unconditionally.
6238 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
6240 (do_copy_file, do_space): Move definitions to ops.common.h.
6241 (copy, file_size, hard_link_count, last_write_time, space): Only
6242 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
6244 (last_write_time, read_symlink): Remove unused attributes from
6246 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
6247 * src/filesystem/Makefile.in: Regenerate.
6248 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
6249 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
6250 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
6251 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
6252 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
6253 dummy types and functions instead of using #error.
6254 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
6255 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
6257 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
6258 (do_copy_file, do_space): Move definitions here from std-ops.cc.
6259 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
6260 to account for new namespace.
6261 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
6262 -lstdc++fs from dg-options.
6263 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
6264 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
6265 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
6266 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
6267 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
6269 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
6270 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
6272 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
6273 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
6274 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
6275 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
6276 * testsuite/27_io/filesystem/operations/create_directories.cc:
6278 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
6279 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
6280 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
6281 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
6282 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
6283 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
6284 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
6285 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
6286 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
6287 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
6288 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
6289 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
6290 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
6291 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
6292 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
6293 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
6294 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
6295 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
6297 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
6301 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
6302 typeinfo and vtables less greedy.
6303 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
6304 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
6305 * src/c++17/Makefile.in: Regenerate.
6306 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
6307 here, and change name of included file.
6308 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
6309 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
6311 * src/filesystem/Makefile.in: Regenerate.
6312 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
6313 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
6314 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
6315 from dg-options and remove dg-require-filesystem-ts.
6316 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
6317 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
6318 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
6319 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
6320 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
6321 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
6322 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
6323 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
6324 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
6325 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
6326 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
6327 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
6328 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
6329 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
6330 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
6331 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
6332 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
6333 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
6334 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
6335 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
6336 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
6338 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
6339 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
6340 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
6341 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
6342 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
6343 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
6344 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
6345 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
6346 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
6347 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
6348 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
6349 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
6351 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
6353 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
6355 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
6357 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
6358 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
6359 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
6360 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
6361 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
6362 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
6363 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
6364 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
6365 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
6366 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
6368 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
6369 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
6370 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
6371 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
6372 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
6375 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
6376 Check is_trivially_copyable instead of is_scalar.
6377 (variant::emplace<N, Args>(Args&&...)): If construction of the new
6378 contained value can throw and its type is trivially copyable then
6379 construct into a temporary variant and move from it, to provide the
6380 strong exception safety guarantee.
6381 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
6383 * testsuite/20_util/variant/87431.cc: New test.
6384 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
6385 conversion causes valueless state.
6388 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
6389 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
6390 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
6391 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
6392 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
6394 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
6396 * include/bits/fs_fwd.h (__file_clock): Define new clock.
6397 (file_time_type): Redefine in terms of __file_clock.
6398 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
6400 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
6402 (internal_file_lock): New helper type for accessing __file_clock.
6403 (do_copy_file): Use internal_file_lock to convert system time to
6405 (last_write_time(const path&, error_code&)): Likewise.
6406 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
6408 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
6410 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
6411 for const member functions of std::basic_string.
6412 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
6414 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
6415 Make non-standard constructor private.
6416 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
6418 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
6419 explicit instantiations for C++17 as well as earlier dialects.
6420 * src/c++17/Makefile.am: Add new source files.
6421 * src/c++17/Makefile.in: Regenerate.
6422 * src/c++17/cow-string-inst.cc: New file defining explicit
6423 instantiations for basic_string member functions added in C++17.
6424 * src/c++17/string-inst.cc: Likewise.
6426 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
6427 copy/move constructors for old std::basic_string.
6428 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
6429 (basic_string::reference, basic_string::const_reference): Define
6430 as plain references for C++11 and later.
6431 (basic_string::basic_string()): Put constructor body outside
6432 preprocessor conditional groups.
6433 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
6434 instead of copying it.
6435 (basic_string::basic_string(const basic_string&, const _Alloc&)):
6437 (basic_string::basic_string(basic_string&&, const _Alloc&)):
6439 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
6440 cases for old basic_string.
6441 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
6442 allocator-extended constructors unconditionally. Add extra members to
6443 allocator type when using old string ABI.
6444 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
6446 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
6448 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
6449 -fno-inline added to test flags.
6451 * testsuite/21_strings/basic_string/requirements/
6452 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
6454 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
6455 assertion failures with old std::string ABI.
6457 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
6459 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
6460 functions that will only erase elements at the end.
6461 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
6462 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
6463 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
6465 (path::_List::pop_back()): Define.
6466 (path::_List::_M_erase_from(const_iterator)): Define.
6467 (path::operator/=(const path&)): Use pop_back to remove last component
6468 and _M_erase_from to remove multiple components.
6469 (path::_M_append(basic_string_view<value_type>)): Likewise.
6470 (path::operator+=(const path&)): Likewise.
6471 (path::_M_concat(basic_string_view<value_type>)): Likewise.
6472 (path::remove_filename()): Likewise.
6473 (path::lexically_normal()): Use _List::_Impl iterators instead of
6474 path::iterator. Use pop_back to remove components from the end. Clear
6475 trailing filename, instead of using erase(const_iterator) to remove
6476 a non-final component.
6477 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
6479 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
6481 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
6482 incorrect treatment of empty filename after trailing slash.
6483 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
6485 * testsuite/21_strings/basic_string/modifiers/assign/char/
6486 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
6488 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
6489 move_assign_optim.cc: Likewise.
6491 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
6492 Jakub Jelinek <jakub@redhat.com>
6495 * include/experimental/memory: Replace UTF-8 quote characters.
6496 * include/std/future: Replace UTF-8 "em dash" characters.
6498 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
6501 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
6502 * include/debug/forward_list: Likewise.
6503 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
6505 * include/experimental/chrono: Likewise.
6506 * include/experimental/functional: Likewise.
6507 * include/experimental/ratio: Likewise.
6508 * include/experimental/system_error: Likewise.
6509 * include/experimental/tuple: Likewise.
6510 * include/experimental/type_traits: Likewise.
6511 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
6512 * include/parallel/multiseq_selection.h: Likewise.
6515 * config/abi/pre/gnu.ver: Add missing exports.
6516 * testsuite/22_locale/collate_byname/88681.cc: New test.
6517 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
6518 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
6520 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
6522 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
6523 initializer_list<value_type> and from input iterator ranges.
6524 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
6526 * testsuite/experimental/string_view/element_access/char/empty.cc:
6527 Fix year range in copyright header.
6529 2019-01-02 Joel Brobecker <brobecker@adacore.com>
6531 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
6532 Fix year range in copyright header.
6534 2019-01-01 Jakub Jelinek <jakub@redhat.com>
6536 Update copyright years.
6538 Copyright (C) 2019 Free Software Foundation, Inc.
6540 Copying and distribution of this file, with or without modification,
6541 are permitted in any medium without royalty provided the copyright
6542 notice and this notice are preserved.