1 2019-11-14 Jonathan Wakely <jwakely@redhat.com>
3 * include/bits/iterator_concepts.h (__iter_concept_impl): Add
5 (indirect_relation): Rename to indirect_binary_predicate and adjust
6 definition as per P1716R3.
7 (indirect_equivalence_relation): Define.
8 (indirectly_comparable): Adjust definition.
9 * include/std/concepts (equivalence_relation): Define.
10 * testsuite/std/concepts/concepts.callable/relation.cc: Add tests for
13 * include/bits/iterator_concepts.h (disable_sized_sentinel): Rename to
14 disable_sized_sentinel_for.
15 * testsuite/24_iterators/headers/iterator/synopsis_c++20.cc: Adjust.
17 2019-11-13 Jonathan Wakely <jwakely@redhat.com>
19 * libsupc++/compare (strong_order, weak_order, partial_order)
20 (compare_strong_order_fallback, compare_weak_order_fallback)
21 (compare_partial_order_fallback): Define customization point objects
23 * testsuite/18_support/comparisons/algorithms/partial_order.cc: New
25 * testsuite/18_support/comparisons/algorithms/strong_order.cc: New
27 * testsuite/18_support/comparisons/algorithms/weak_order.cc: New test.
29 2019-11-11 Gerald Pfeifer <gerald@pfeifer.com>
31 * doc/xml/gnu/gpl-3.0.xml: Adjust link to "Why not LGPL".
33 2019-11-10 Gerald Pfeifer <gerald@pfeifer.com>
35 * doc/xml/manual/using.xml: Switch www.hboehm.info to https.
37 2019-11-07 Jonathan Wakely <jwakely@redhat.com>
39 * doc/doxygen/user.cfg.in (INPUT): Add <compare> header.
40 * include/precompiled/stdc++.h: Include <compare> header.
42 * libsupc++/compare (common_comparison_category)
43 (common_comparison_category_t): Define for C++20.
44 * testsuite/18_support/comparisons/common/1.cc: New test.
46 * include/bits/stl_algo.h (for_each_n): Handle negative count.
47 * testsuite/25_algorithms/for_each/for_each_n_debug.cc: New test.
49 2019-11-07 Jason Merrill <jason@redhat.com>
51 * libsupc++/compare: Remove strong_equality and weak_equality.
53 2019-11-06 Jonathan Wakely <jwakely@redhat.com>
55 * include/Makefile.in: Regenerate.
56 * libsupc++/Makefile.in: Regenerate.
57 * libsupc++/compare (__3way_builtin_ptr_cmp): Define helper.
58 (compare_three_way): Add missing implementation.
60 * include/bits/iterator_concepts.h (unreachable_sentinel_t): Remove
61 redundant equality operators.
62 * testsuite/util/testsuite_iterators.h (test_range::sentinel):
65 2019-11-05 Jonathan Wakely <jwakely@redhat.com>
67 * libsupc++/compare: New header.
68 * libsupc++/Makefile.am (std_HEADERS): Add compare.
69 * include/std/version: Define __cpp_lib_three_way_comparison.
70 * include/std/functional: #include <compare>.
72 * include/std/version [!_GLIBCXX_HOSTED]: Do not define feature test
73 macros for features that are only present in hosted builds.
75 * include/bits/iterator_concepts.h (__iter_without_nested_types):
76 Remove incorrect comment.
78 2019-10-31 Jonathan Wakely <jwakely@redhat.com>
80 * doc/html/*: Regenerate.
82 * include/bits/refwrap.h (reference_wrapper, ref, cref): Add constexpr
84 * include/std/functional (_Mem_fn, mem_fn, _Bind, _Bind_result, bind)
85 (bind_front, _Not_fn, not_fn): Likewise.
86 * testsuite/20_util/bind/constexpr.cc: New test.
87 * testsuite/20_util/function_objects/bind_front/constexpr.cc: New test.
88 * testsuite/20_util/function_objects/mem_fn/constexpr.cc: New test.
89 * testsuite/20_util/function_objects/not_fn/constexpr.cc: New test.
90 * testsuite/20_util/reference_wrapper/constexpr.cc: New test.
92 * doc/doxygen/user.cfg.in: Add new header.
93 * include/Makefile.am: Add new header.
94 * include/Makefile.in: Regenerate.
95 * include/precompiled/stdc++.h: Include new header.
96 * include/std/ranges: New header.
97 (ranges::sentinel_t, ranges::range_value_t, ranges::range_reference_t)
98 (ranges::range_rvalue_reference_t, ranges::sized_range)
99 (ranges::output_range, ranges::input_ranges, ranges::forward_range)
100 (ranges::bidirectional_range, ranges::random_access_range)
101 (ranges::contiguous_range, ranges::common::range): Define.
102 * testsuite/24_iterators/headers/iterator/synopsis_c++20.cc: Check
103 that disabled_sized_sentinel can be specialized.
104 * testsuite/std/ranges/access/begin.cc: Include <ranges> instead of
106 * testsuite/std/ranges/access/cbegin.cc: Likewise.
107 * testsuite/std/ranges/access/cdata.cc: Likewise.
108 * testsuite/std/ranges/access/cend.cc: Likewise.
109 * testsuite/std/ranges/access/crbegin.cc: Likewise.
110 * testsuite/std/ranges/access/crend.cc: Likewise.
111 * testsuite/std/ranges/access/data.cc: Likewise.
112 * testsuite/std/ranges/access/empty.cc: Likewise.
113 * testsuite/std/ranges/access/end.cc: Likewise.
114 * testsuite/std/ranges/access/end_neg.cc: Likewise.
115 * testsuite/std/ranges/access/rbegin.cc: Likewise.
116 * testsuite/std/ranges/access/rend.cc: Likewise.
117 * testsuite/std/ranges/access/size.cc: Likewise.
118 * testsuite/std/ranges/access/size_neg.cc: Likewise.
119 * testsuite/std/ranges/headers/ranges/synopsis.cc: New test.
120 * testsuite/std/ranges/range.cc: New test.
121 * testsuite/std/ranges/refinements.cc: New test.
122 * testsuite/std/ranges/sized.cc: New test.
123 * testsuite/util/testsuite_iterators.h: Add aliases for range types.
124 (output_iterator_wrapper::WritableObject::operator=): Add const
125 qualifier so that output_iterator_wrapper satisfies writable.
127 * testsuite/20_util/add_pointer/value.cc: Check void types.
129 * include/bits/range_access.h (__sizable): Rename to __sentinel_size.
130 Remove workaround for PR c++/92268 and remove redundant requirements
131 that are already checked by sized_sentinel_for.
132 * testsuite/std/ranges/access/cend.cc: Fix failures.
133 * testsuite/std/ranges/access/end.cc: Likewise.
135 * include/bits/range_access.h (ranges::begin): Combine array and
136 non-array overloads into one function template. Only use ADL for
138 (ranges::end, ranges::size): Likewise. Make unbounded arrays
140 (ranges::rbegin, ranges::rend): Only use ADL for classes and enums.
141 Reformat _S_noexcept() functions to mirror operator() structure.
142 * testsuite/std/ranges/access/begin.cc: Check incomplete array.
143 * testsuite/std/ranges/access/end_neg.cc: New test.
144 * testsuite/std/ranges/access/size.cc: Check array of incomplete type.
145 * testsuite/std/ranges/access/size_neg.cc: New test.
147 * testsuite/24_iterators/range_access*.cc: Move to ...
148 * testsuite/24_iterators/range_access/range_access*.cc: ... here.
149 * testsuite/24_iterators/range_access/range_access_cpp20_neg.cc: New
152 2019-10-30 Jonathan Wakely <jwakely@redhat.com>
154 * include/std/concepts (std::ranges::swap): Use a single overload for
155 the non-array cases, and switch using if-constexpr.
157 * include/bits/stl_iterator.h (__normal_iterator::iterator_concept):
158 Guard with __cpp_lib_concepts macro.
160 * include/std/bit (__cpp_lib_bitops): Define.
161 * include/std/version (__cpp_lib_constexpr): Remove.
162 (__cpp_lib_bitops, __cpp_lib_constexpr_dynamic_alloc): Define.
163 * testsuite/26_numerics/bit/header.cc: New test.
164 * testsuite/26_numerics/bit/header-2.cc: New test.
165 * testsuite/20_util/allocator_traits/header.cc: New test.
166 * testsuite/20_util/allocator_traits/header-2.cc: New test.
168 * include/bits/stl_iterator.h (namespace __gnu_cxx): Remove
169 using-declarations for std::iterator and std::iterator_traits.
170 (__gnu_cxx::__normal_iterator): Qualify iterator_traits.
171 * include/ext/algorithm (namespace __gnu_cxx): Remove
172 using-declarations for std names and qualify those names when used.
173 Also refer to std::min in parentheses to protect against function-like
175 * include/ext/rc_string_base.h: Qualify iterator_traits.
176 * include/ext/sso_string_base.h: Qualify iterator_traits.
179 * include/bits/stl_bvector.h (_Bit_iterator::pointer)
180 (_Bit_const_iterator::pointer): Define as void for C++20.
181 * include/bits/stl_iterator.h (reverse_iterator::operator->()): Add
182 constraints for C++20.
183 (__normal_iterator::iterator_concept): Define for C++20.
184 * include/bits/streambuf_iterator.h (istreambuf_iterator::pointer):
185 Define as void for C++20.
186 (ostreambuf_iterator::difference_type): Define as ptrdiff_t for C++20.
187 (ostreambuf_iterator::ostreambuf_iterator()): Add default constructor
189 * testsuite/23_containers/vector/bool/iterator_c++20.cc: New test.
190 * testsuite/24_iterators/bidirectional/concept.cc: New test.
191 * testsuite/24_iterators/bidirectional/tag.cc: New test.
192 * testsuite/24_iterators/contiguous/concept.cc: New test.
193 * testsuite/24_iterators/contiguous/tag.cc: New test.
194 * testsuite/24_iterators/forward/concept.cc: New test.
195 * testsuite/24_iterators/forward/tag.cc: New test.
196 * testsuite/24_iterators/input/concept.cc: New test.
197 * testsuite/24_iterators/input/tag.cc: New test.
198 * testsuite/24_iterators/istreambuf_iterator/requirements/typedefs.cc:
200 * testsuite/24_iterators/ostreambuf_iterator/requirements/typedefs.cc:
202 * testsuite/24_iterators/output/concept.cc: New test.
203 * testsuite/24_iterators/output/tag.cc: New test.
204 * testsuite/24_iterators/random_access/concept.cc: New test.
205 * testsuite/24_iterators/random_access/tag.cc: New test.
206 * testsuite/24_iterators/range_operations/advance_debug_neg.cc: New
208 * testsuite/24_iterators/random_access_iterator/26020.cc: Move to ...
209 * testsuite/24_iterators/operations/26020.cc: ... here.
210 * testsuite/24_iterators/random_access_iterator/
211 string_vector_iterators.cc: Move to ...
212 * testsuite/24_iterators/random_access/string_vector_iterators.cc: ...
215 * testsuite/util/testsuite_iterators.h: Fix typo in __cplusplus check.
217 2019-10-29 Jonathan Wakely <jwakely@redhat.com>
219 * include/bits/range_access.h (ranges::disable_sized_range)
220 (ranges::begin, ranges::end, ranges::cbegin, ranges::cend)
221 (ranges::rbegin, ranges::rend, ranges::crbegin, ranges::crend)
222 (ranges::size, ranges::empty, ranges::data, ranges::cdata)
223 (ranges::range, ranges::sized_range, ranges::advance, ranges::distance)
224 (ranges::next, ranges::prev): Guard with __cpp_lib_concepts.
225 * include/bits/stl_iterator.h (disable_sized_sentinel): Likewise.
227 * include/bits/alloc_traits.h (__cpp_lib_constexpr_dynamic_alloc):
229 (allocator_traits::_S_construct, allocator_traits::_S_destroy)
230 (__alloc_on_copy, __alloc_on_move, __alloc_on_swap): Use
231 _GLIBCXX14_CONSTEXPR instead of constexpr.
232 * include/bits/stl_construct.h (_Destroy): Likewise.
234 * include/Makefile.am: Add new header.
235 * include/Makefile.in: Regenerate.
236 * include/bits/iterator_concepts.h: New header.
237 (contiguous_iterator_tag, iter_reference_t, ranges::iter_move)
238 (iter_rvalue_reference_t, incrementable_traits, iter_difference_t)
239 (readable_traits, iter_value_t, readable, iter_common_reference_t)
240 (writable, waekly_incrementable, incrementable)
241 (input_or_output_iterator, sentinel_for, disable_sized_sentinel)
242 (sized_sentinel_for, input_iterator, output_iterator)
243 (forward_iterator, bidirectional_iterator, random_access_iterator)
244 (contiguous_iterator, indirectly_unary_invocable)
245 (indirectly_regular_unary_invocable, indirect_unary_predicate)
246 (indirect_relation, indirect_strict_weak_order, indirect_result_t)
247 (projected, indirectly_movable, indirectly_movable_storable)
248 (indirectly_copyable, indirectly_copyable_storable, ranges::iter_swap)
249 (indirectly_swappable, indirectly_comparable, permutable, mergeable)
250 (sortable, unreachable_sentinel_t, unreachable_sentinel)
251 (default_sentinel_t, default_sentinel): Define.
252 (__detail::__cpp17_iterator, __detail::__cpp17_input_iterator)
253 (__detail::__cpp17_fwd_iterator, __detail::__cpp17_bidi_iterator)
254 (__detail::__cpp17_randacc_iterator): Define.
255 (__iterator_traits): Define constrained specializations.
256 * include/bits/move.h (move): Only use old concept check for C++98.
257 * include/bits/range_access.h (ranges::disable_sized_range)
258 (ranges::begin, ranges::end, ranges::cbegin, ranges::cend)
259 (ranges::rbegin, ranges::rend, ranges::crbegin, ranges::crend)
260 (ranges::size, ranges::empty, ranges::data, ranges::cdata): Define
261 new customization points for C++20.
262 (ranges::range, ranges::sized_range): Define new concepts for C++20.
263 (ranges::advance, ranges::distance, ranges::next, ranges::prev):
264 Define new functions for C++20.
265 (__adl_end, __adl_cdata, __adl_cbegin, __adl_cend, __adl_rbegin)
266 (__adl_rend, __adl_crbegin, __adl_crend, __adl_cdata, __adl_size)
267 (__adl_empty): Remove.
268 * include/bits/stl_iterator.h (disable_sized_sentinel): Specialize
269 for reverse_iterator.
270 * include/bits/stl_iterator_base_types.h (contiguous_iterator_tag):
271 Define new struct for C++20.
272 (iterator_traits<_Tp*>): Constrain partial specialization in C++20.
273 * include/std/concepts (__is_class_or_enum): Move to __detail
275 * testsuite/20_util/forward/c_neg.cc: Adjust dg-error line number.
276 * testsuite/20_util/forward/f_neg.cc: Likewise.
277 * testsuite/24_iterators/associated_types/incrementable.traits.cc: New
279 * testsuite/24_iterators/associated_types/readable.traits.cc: New test.
280 * testsuite/24_iterators/contiguous/concept.cc: New test.
281 * testsuite/24_iterators/contiguous/tag.cc: New test.
282 * testsuite/24_iterators/customization_points/iter_move.cc: New test.
283 * testsuite/24_iterators/customization_points/iter_swap.cc: New test.
284 * testsuite/24_iterators/headers/iterator/synopsis_c++20.cc: New test.
285 * testsuite/24_iterators/range_operations/advance.cc: New test.
286 * testsuite/24_iterators/range_operations/distance.cc: New test.
287 * testsuite/24_iterators/range_operations/next.cc: New test.
288 * testsuite/24_iterators/range_operations/prev.cc: New test.
289 * testsuite/26_numerics/adjacent_difference/requirements/
290 explicit_instantiation/2.cc: Rename types that conflict with C++20
292 * testsuite/26_numerics/adjacent_difference/requirements/
293 explicit_instantiation/pod.cc: Likewise.
294 * testsuite/26_numerics/partial_sum/requirements/
295 explicit_instantiation/2.cc: Likewise.
296 * testsuite/26_numerics/partial_sum/requirements/
297 explicit_instantiation/pod.cc: Likewise.
298 * testsuite/experimental/iterator/requirements.cc: Likewise.
299 * testsuite/std/ranges/access/begin.cc: New test.
300 * testsuite/std/ranges/access/cbegin.cc: New test.
301 * testsuite/std/ranges/access/cdata.cc: New test.
302 * testsuite/std/ranges/access/cend.cc: New test.
303 * testsuite/std/ranges/access/crbegin.cc: New test.
304 * testsuite/std/ranges/access/crend.cc: New test.
305 * testsuite/std/ranges/access/data.cc: New test.
306 * testsuite/std/ranges/access/empty.cc: New test.
307 * testsuite/std/ranges/access/end.cc: New test.
308 * testsuite/std/ranges/access/rbegin.cc: New test.
309 * testsuite/std/ranges/access/rend.cc: New test.
310 * testsuite/std/ranges/access/size.cc: New test.
311 * testsuite/util/testsuite_iterators.h (contiguous_iterator_wrapper)
312 (test_range, test_sized_range): New test utilities.
314 * testsuite/util/testsuite_iterators.h (BoundsContainer::size()): Add
316 (WritableObject::operator=): Constrain with enable_if when available.
317 (remove_cv): Use std::remove_if when available.
318 (test_container::it(int)): Use size().
319 (test_container::size()): Use BoundsContainer::size().
322 * include/bits/stl_deque.h (_Deque_iterator(const _Deque_iterator&)):
323 Do not define as defaulted.
324 * testsuite/23_containers/deque/types/92267.cc: New test.
326 2019-10-26 Gerald Pfeifer <gerald@pfeifer.com>
328 * doc/xml/manual/codecvt.xml: Switch pubs.opengroup.org to https.
329 * doc/xml/manual/locale.xml (LC_ALL): Ditto.
330 * doc/xml/manual/messages.xml: Ditto.
332 2019-10-26 John David Anglin <danglin@gcc.gnu.org>
334 * config/abi/post/hppa-linux-gnu/baseline_symbols.txt: Update.
336 2019-10-25 Jonathan Wakely <jwakely@redhat.com>
338 * testsuite/util/testsuite_iterators.h (output_iterator_wrapper)
339 (input_iterator_wrapper, forward_iterator_wrapper)
340 bidirectional_iterator_wrapper, random_access_iterator_wrapper): Remove
341 user-provided copy constructors and copy assignment operators so they
342 are defined implicitly.
343 (input_iterator_wrapper): Initialize members in default constructor.
344 (forward_iterator_wrapper): Remove assignments to members of base.
346 * include/bits/allocator.h: Check __cpp_constexpr_dynamic_alloc
347 before making the std::allocator destructor constexpr.
348 * testsuite/20_util/allocator/requirements/constexpr.cc: New test.
350 * include/bits/range_cmp.h: Check __cpp_lib_concepts before defining
351 concepts. Fix comment.
352 * include/bits/allocator.h
354 2019-10-25 Gerald Pfeifer <gerald@pfeifer.com>
356 * doc/xml/manual/policy_data_structures_biblio.xml: Switch
357 pubs.opengroup.org to https.
359 2019-10-25 Gerald Pfeifer <gerald@pfeifer.com>
361 * doc/xml/gnu/gpl-3.0.xml: Switch www.gnu.org to https.
363 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
365 * doc/xml/manual/status_cxx2020.xml: Add rows and update status.
367 2019-10-24 Jonathan Wakely <jwakely@redhat.com>
369 * include/bits/allocator.h (allocator<void>): Restore the explicit
370 specialization for C++20, but make its API consistent with the primary
372 (allocator::~allocator()): Restore the destructor for C++20, but make
374 * testsuite/20_util/allocator/rebind_c++20.cc: Check allocator<void>.
375 * testsuite/20_util/allocator/requirements/typedefs_c++20.cc: Likewise.
376 * testsuite/20_util/allocator/void.cc: Check that constructors and
377 destructors are trivial. Check for converting constructor in C++20.
378 * testsuite/ext/malloc_allocator/variadic_construct.cc: Simplify
379 dejagnu target selector.
380 * testsuite/ext/new_allocator/variadic_construct.cc: Likewise.
382 * include/experimental/executor (__use_future_ct, use_future_t):
383 Define partial specializations for std::allocator.
384 (__use_future_ch): Overload constructor for completion tokens using
387 PR libstdc++/88338 Implement P0898R3, C++20 concepts library
388 * doc/xml/manual/status_cxx2020.xml: Update status.
389 * doc/html/*: Regenerate.
390 * testsuite/std/concepts/1.cc: New test.
391 * testsuite/std/concepts/2.cc: New test.
393 * include/bits/random.h (uniform_random_bit_generator): Define for
395 * testsuite/26_numerics/random/concept.cc: New test.
396 * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error line.
398 2019-10-23 Jonathan Wakely <jwakely@redhat.com>
400 * include/std/functional (invoke): Add constexpr for C++20.
401 * include/std/version (__cpp_lib_constexpr_invoke): Define.
402 * testsuite/20_util/function_objects/invoke/constexpr.cc: New test.
404 PR c++/91369 Implement P0784R7 changes to allocation and construction
405 * include/bits/alloc_traits.h: Include <bits/stl_construct.h>.
406 (allocator_traits::_S_allocate, allocator_traits::_S_construct)
407 (allocator_traits::_S_destroy, allocator_traits::_S_max_size)
408 (allocator_traits::_S_select, allocator_traits::allocate)
409 (allocator_traits::deallocate, allocator_traits::construct)
410 (allocator_traits::destroy, allocator_traits::max_size)
411 (allocator_traits::select_on_container_copy_construction)
412 (allocator_traits<allocator<T>>): Add constexpr specifier for C++20.
413 (allocator_traits<allocator<T>>::construct): Use construct_at.
414 (allocator_traits<allocator<T>>::destroy): Use destroy_at.
415 (__alloc_on_copy, __alloc_on_move, __alloc_on_swap): Add constexpr
417 (_Destroy(ForwardIterator, ForwardIterator, Alloc&))
418 (_Destroy(ForwardIterator, ForwardIterator, allocator<T>&)): Move here
419 from <bits/stl_construct.h>.
420 * include/bits/allocator.h (allocator::~allocator): Remove for C++20.
421 (allocator::allocate, allocate::deallocate): Define for C++20 and up.
422 (operator==, operator!=): Add constexpr specifier for C++20.
423 * include/bits/stl_construct.h: Don't include <ext/alloc_traits.h>.
424 (destroy_at): For C++20 add constexpr specifier and support for
426 (construct_at): Define new function for C++20.
427 (_Construct): Return result of placement new-expression. For C++11 and
428 up add constexpr. For C++20 dispatch to std::construct_at during
430 (_Destroy(pointer)): Add constexpr specifier. For C++20 dispatch to
431 std::destroy_at during constant evaluation.
432 (_Destroy_aux::__destroy, _Destroy_n_aux::__destroy_n): Add constexpr
434 (_Destroy(ForwardIterator, ForwardIterator))
435 (_Destroy(ForwardIterator, Size)): Likewise. Do not elide trivial
436 destructors during constant evaluation.
437 (destroy, destroy_n): Add constexpr specifier for C++20.
438 (_Destroy(ForwardIterator, ForwardIterator, Alloc&))
439 (_Destroy(ForwardIterator, ForwardIterator, allocator<T>&)): Move to
440 <bits/alloc_traits.h>, to remove dependency on allocators.
441 * include/bits/stl_uninitialized.h: Include <ext/alloc_traits.h>.
442 Include <bits/stl_pair.h> instead of <utility>.
443 * include/ext/alloc_traits.h: Always include <bits/alloc_traits.h>.
444 (__alloc_traits::construct, __alloc_traits::destroy)
445 (__alloc_traits::_S_select_on_copy, __alloc_traits::_S_on_swap): Add
447 * include/ext/malloc_allocator.h (operator==, operator!=): Add
448 constexpr specifier for C++20.
449 * include/ext/new_allocator.h (operator==, operator!=): Likewise.
450 * testsuite/20_util/headers/memory/synopsis.cc: Add constexpr.
451 * testsuite/20_util/scoped_allocator/69293_neg.cc: Ignore additional
452 errors due to constexpr function called after failed static_assert.
453 * testsuite/20_util/specialized_algorithms/construct_at/1.cc: New test.
454 * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
455 Ignore additional errors due to constexpr function called after failed
457 * testsuite/23_containers/vector/cons/destructible_neg.cc: Likewise.
459 * testsuite/20_util/bind/91371.cc: Fix test to compile as C++11.
461 * include/debug/helper_functions.h (__valid_range): Change
462 _GLIBCXX_CONSTEXPR to _GLIBCXX14_CONSTEXPR.
464 * include/ext/throw_allocator.h (throw_allocator_base): Qualify
465 size_t and ptrdiff_t.
467 * include/ext/pb_ds/detail/bin_search_tree_/bin_search_tree_.hpp:
468 Use detail::rebind_traits.
469 * include/ext/pb_ds/detail/bin_search_tree_/node_iterators.hpp:
471 * include/ext/pb_ds/detail/bin_search_tree_/traits.hpp: Likewise.
472 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp: Likewise.
473 * include/ext/pb_ds/detail/binary_heap_/entry_cmp.hpp: Likewise.
474 * include/ext/pb_ds/detail/binary_heap_/entry_pred.hpp: Likewise.
475 * include/ext/pb_ds/detail/binary_heap_/point_const_iterator.hpp:
477 * include/ext/pb_ds/detail/binomial_heap_base_/binomial_heap_base_.hpp:
479 * include/ext/pb_ds/detail/branch_policy/branch_policy.hpp: Likewise.
480 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp: Likewise.
481 * include/ext/pb_ds/detail/cond_dealtor.hpp: Likewise.
482 * include/ext/pb_ds/detail/eq_fn/hash_eq_fn.hpp (has_eq_fn): Likewise.
483 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp: Likewise.
484 * include/ext/pb_ds/detail/hash_fn/ranged_hash_fn.hpp: Likewise.
485 * include/ext/pb_ds/detail/hash_fn/ranged_probe_fn.hpp: Likewise.
486 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
487 left_child_next_sibling_heap_.hpp: Likewise.
488 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/node.hpp:
490 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
491 point_const_iterator.hpp: Likewise.
492 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp: Likewise.
493 * include/ext/pb_ds/detail/ov_tree_map_/
494 constructors_destructor_fn_imps.hpp: Likewise.
495 * include/ext/pb_ds/detail/ov_tree_map_/node_iterators.hpp: Likewise.
496 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hpp: Likewise.
497 * include/ext/pb_ds/detail/pairing_heap_/pairing_heap_.hpp: Likewise.
498 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp: Likewise.
499 * include/ext/pb_ds/detail/pat_trie_/pat_trie_base.hpp: Likewise.
500 * include/ext/pb_ds/detail/rb_tree_map_/node.hpp: Likewise.
501 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp: Likewise.
502 * include/ext/pb_ds/detail/splay_tree_/node.hpp: Likewise.
503 * include/ext/pb_ds/detail/thin_heap_/thin_heap_.hpp: Likewise.
504 * include/ext/pb_ds/detail/trie_policy/sample_trie_access_traits.hpp:
506 * include/ext/pb_ds/detail/type_utils.hpp: Fix typo in comment.
507 * include/ext/pb_ds/detail/types_traits.hpp (stored_value): Add
508 bool parameter to control whether the hash value is stored.
509 (select_base_type): New class template and partial specialization.
510 (maybe_null_type): Likewise.
511 (rebind_traits): New class template.
512 (type_base): Remove four nearly identical specializations.
513 (type_dispatch): Remove.
514 (type_traits): Use select_base_type and maybe_null_type instead of
515 type_base to control differences between specializations.
516 * include/ext/pb_ds/list_update_policy.hpp: Use detail::rebind_traits.
517 * include/ext/pb_ds/priority_queue.hpp: Likewise.
518 * include/ext/pb_ds/tree_policy.hpp: Likewise.
519 * include/ext/pb_ds/trie_policy.hpp: Likewise.
521 * include/backward/hash_set (hash_set): Use __alloc_traits.
522 * include/backward/hashtable.h (_Hashtable): Likewise.
523 * include/ext/alloc_traits.h (__alloc_traits::allocate): Add overload
525 * include/ext/extptr_allocator.h (_ExtPtr_allocator::allocate): Ignore
527 * include/ext/slist (_Slist_base): Use __alloc_traits.
528 * include/tr1/hashtable.h (_Hashtable): Likewise.
529 * include/tr1/regex (match_results): Use vector::const_reference
530 instead of assuming the allocator defines it.
531 * testsuite/backward/hash_map/23528.cc: Use allocator_traits in C++11.
532 * testsuite/tr1/6_containers/unordered_map/capacity/29134-map.cc: Use
533 __gnu_test::max_size.
534 * testsuite/tr1/6_containers/unordered_multimap/capacity/
535 29134-multimap.cc: Likewise.
536 * testsuite/tr1/6_containers/unordered_multiset/capacity/
537 29134-multiset.cc: Likewise.
538 * testsuite/tr1/6_containers/unordered_set/capacity/29134-set.cc:
541 2019-10-22 Jonathan Wakely <jwakely@redhat.com>
543 * testsuite/util/testsuite_abi.h: Restore use of tr1/unordered_map
544 when compiled as C++98.
546 * include/bits/memoryfwd.h (uses_allocator): Do not declare for C++98.
547 * testsuite/17_intro/names.cc: Check uses_allocator in C++98.
549 * include/bits/alloc_traits.h
550 (allocator_traits<allocator<T>>::allocate): Ignore hint for C++20.
551 (allocator_traits<allocator<T>>::construct): Perform placement new
552 directly for C++20, instead of calling allocator<T>::construct.
553 (allocator_traits<allocator<T>>::destroy): Call destructor directly
554 for C++20, instead of calling allocator<T>::destroy.
555 (allocator_traits<allocator<T>>::max_size): Return value directly
556 for C++20, instead of calling std::allocator<T>::max_size().
557 (__do_alloc_on_copy, __do_alloc_on_move, __do_alloc_on_swap): Do not
558 define for C++17 and up.
559 (__alloc_on_copy, __alloc_on_move, __alloc_on_swap): Use if-constexpr
560 for C++17 and up, instead of tag dispatching.
561 * include/bits/allocator.h (allocator<void>): Remove for C++20.
562 (allocator::pointer, allocator::const_pointer, allocator::reference)
563 (allocator::const_reference, allocator::rebind): Remove for C++20.
564 * include/bits/basic_string.h (basic_string): Use __alloc_traits to
566 * include/bits/memoryfwd.h (allocator<void>): Remove for C++20.
567 * include/ext/debug_allocator.h: Use __alloc_traits for rebinding.
568 * include/ext/malloc_allocator.h (malloc_allocator::~malloc_allocator)
569 (malloc_allocator::pointer, malloc_allocator::const_pointer)
570 (malloc_allocator::reference, malloc_allocator::const_reference)
571 (malloc_allocator::rebind, malloc_allocator::max_size)
572 (malloc_allocator::construct, malloc_allocator::destroy): Do not
574 (malloc_allocator::_M_max_size): Define new function.
575 * include/ext/new_allocator.h (new_allocator::~new_allocator)
576 (new_allocator::pointer, new_allocator::const_pointer)
577 (new_allocator::reference, new_allocator::const_reference)
578 (new_allocator::rebind, new_allocator::max_size)
579 (new_allocator::construct, new_allocator::destroy): Do not
581 (new_allocator::_M_max_size): Define new function.
582 * include/ext/rc_string_base.h (__rc_string_base::_Rep): Use
583 __alloc_traits to rebind allocator.
584 * include/ext/rope (_Rope_rep_base, _Rope_base): Likewise.
585 (rope::rope(CharT, const allocator_type&)): Use __alloc_traits
586 to construct character.
587 * include/ext/slist (_Slist_base): Use __alloc_traits to rebind
589 * include/ext/sso_string_base.h (__sso_string_base::_M_max_size):
591 * include/ext/throw_allocator.h (throw_allocator): Do not use optional
592 members of std::allocator, use __alloc_traits members instead.
593 * include/ext/vstring.h (__versa_string): Use __alloc_traits.
594 * include/ext/vstring_util.h (__vstring_utility): Likewise.
595 * include/std/memory: Include <bits/alloc_traits.h>.
596 * testsuite/20_util/allocator/8230.cc: Use __gnu_test::max_size.
597 * testsuite/20_util/allocator/rebind_c++20.cc: New test.
598 * testsuite/20_util/allocator/requirements/typedefs.cc: Do not check
599 for pointer, const_pointer, reference, const_reference or rebind in
601 * testsuite/20_util/allocator/requirements/typedefs_c++20.cc: New test.
602 * testsuite/23_containers/deque/capacity/29134.cc: Use
603 __gnu_test::max_size.
604 * testsuite/23_containers/forward_list/capacity/1.cc: Likewise.
605 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
606 * testsuite/23_containers/map/capacity/29134.cc: Likewise.
607 * testsuite/23_containers/multimap/capacity/29134.cc: Likewise.
608 * testsuite/23_containers/multiset/capacity/29134.cc: Likewise.
609 * testsuite/23_containers/set/capacity/29134.cc: Likewise.
610 * testsuite/23_containers/vector/capacity/29134.cc: Likewise.
611 * testsuite/ext/malloc_allocator/variadic_construct.cc: Do not run
613 * testsuite/ext/new_allocator/variadic_construct.cc: Likewise.
614 * testsuite/ext/vstring/capacity/29134.cc: Use __gnu_test::max_size.
615 * testsuite/util/replacement_memory_operators.h: Do not assume
616 Alloc::pointer exists.
617 * testsuite/util/testsuite_allocator.h (__gnu_test::max_size): Define
618 helper to call max_size for any allocator.
620 2019-10-22 Andreas Schwab <schwab@suse.de>
622 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
624 2019-10-18 Jonathan Wakely <jwakely@redhat.com>
627 * libsupc++/new_opa.cc (operator new) [__APPLE__]: Increase alignment
628 to at least sizeof(void*).
630 * include/bits/range_cmp.h (ranges::less::operator()): Inline the
631 logic from std::less::operator() to remove the dependency on it.
633 2019-10-17 Jonathan Wakely <jwakely@redhat.com>
635 * doc/doxygen/user.cfg.in (INPUT): Add new C++17 and C++20 headers.
637 * include/Makefile.am: Add new header.
638 * include/Makefile.in: Regenerate.
639 * include/bits/range_cmp.h: New header for C++20 function objects.
640 * include/std/functional: Include new header.
641 * testsuite/20_util/function_objects/identity/1.cc: New test.
642 * testsuite/20_util/function_objects/range.cmp/equal_to.cc: New test.
643 * testsuite/20_util/function_objects/range.cmp/greater.cc: New test.
644 * testsuite/20_util/function_objects/range.cmp/greater_equal.cc: New
646 * testsuite/20_util/function_objects/range.cmp/less.cc: New test.
647 * testsuite/20_util/function_objects/range.cmp/less_equal.cc: New test.
648 * testsuite/20_util/function_objects/range.cmp/not_equal_to.cc: New
652 * include/bits/forward_list.h
653 (_M_move_assign(forward_list&&, false_type)): Do not use
654 __make_move_if_noexcept, instead move unconditionally.
655 * include/bits/stl_deque.h (_M_move_assign2(deque&&, false_type)):
657 * include/bits/stl_list.h (_M_move_assign(list&&, false_type)):
659 * include/bits/stl_vector.h (_M_move_assign(vector&&, false_type)):
661 * testsuite/23_containers/vector/92124.cc: New test.
663 2019-10-16 Jonathan Wakely <jwakely@redhat.com>
665 * include/bits/c++config (_GLIBCXX_BUILTIN_IS_SAME_AS): Define to
666 one of __is_same_as or __is_same when available.
667 * include/std/concepts (__detail::__same_as): Use std::is_same_v.
668 * include/std/type_traits (is_same) [_GLIBCXX_BUILTIN_IS_SAME_AS]:
669 Use new macro instead of __is_same_as.
670 (is_same) [!_GLIBCXX_BUILTIN_IS_SAME_AS]: Restore partial
672 (is_same_v) [_GLIBCXX_BUILTIN_IS_SAME_AS]: Use new macro.
673 (is_same_v) [!_GLIBCXX_BUILTIN_IS_SAME_AS]: Use std::is_same.
675 2019-10-16 François Dumont <fdumont@gcc.gnu.org>
677 * src/c++11/debug.cc (print_field): Replace constness_names <unknown>
678 entry with <unknown constness>. Replace state_names <unknown> entry with
681 2019-10-11 Jonathan Wakely <jwakely@redhat.com>
683 * include/Makefile.am: Add new header.
684 * include/Makefile.in: Regenerate.
685 * include/precompiled/stdc++.h: Include <concepts>.
686 * include/std/concepts: New header for C++20.
687 * include/std/version (__cpp_lib_concepts): Define.
688 * scripts/create_testsuite_files: Look for test files in new std
690 * testsuite/libstdc++-dg/conformance.exp: Likewise.
691 * testsuite/std/concepts/concepts.callable/invocable.cc: New test.
692 * testsuite/std/concepts/concepts.callable/regular_invocable.cc: New
694 * testsuite/std/concepts/concepts.callable/relation.cc: New test.
695 * testsuite/std/concepts/concepts.callable/strictweakorder.cc: New
697 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
698 floating_point.cc: New test.
699 * testsuite/std/concepts/concepts.lang/concept.arithmetic/integral.cc:
701 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
702 signed_integral.cc: New test.
703 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
704 unsigned_integral.cc: New test.
705 * testsuite/std/concepts/concepts.lang/concept.assignable/1.cc: New
707 * testsuite/std/concepts/concepts.lang/concept.common/1.cc: New test.
708 * testsuite/std/concepts/concepts.lang/concept.commonref/1.cc: New
710 * testsuite/std/concepts/concepts.lang/concept.constructible/1.cc:
712 * testsuite/std/concepts/concepts.lang/concept.convertible/1.cc:
714 * testsuite/std/concepts/concepts.lang/concept.copyconstructible/1.cc:
716 * testsuite/std/concepts/concepts.lang/concept.defaultconstructible/
718 * testsuite/std/concepts/concepts.lang/concept.derived/1.cc:
720 * testsuite/std/concepts/concepts.lang/concept.destructible/1.cc:
722 * testsuite/std/concepts/concepts.lang/concept.moveconstructible/1.cc:
724 * testsuite/std/concepts/concepts.lang/concept.same/1.cc:
726 * testsuite/std/concepts/concepts.lang/concept.swappable/swap.cc:
728 * testsuite/std/concepts/concepts.lang/concept.swappable/swappable.cc:
730 * testsuite/std/concepts/concepts.lang/concept.swappable/
731 swappable_with.cc: New test.
732 * testsuite/std/concepts/concepts.object/copyable.cc: New test.
733 * testsuite/std/concepts/concepts.object/movable.cc: New test.
734 * testsuite/std/concepts/concepts.object/regular.cc: New test.
735 * testsuite/std/concepts/concepts.object/semiregular.cc: New test.
737 * include/std/type_traits (is_same): Replace partial specialization
738 by using __is_same_as built-in in primary template.
739 (is_same_v): Use __is_same_as built-in instead of instantiating the
743 * include/tr2/dynamic_bitset (__dynamic_bitset_base): Define all
744 special member functions as defaulted. Add noexcept to most members.
745 (__dynamic_bitset_base(size_t, unsigned long long, const _Alloc&)):
746 Mask off unwanted bits in the __val parameter. Avoid undefined left
748 (__dynamic_bitset_base::_M_assign): Remove.
749 (__dynamic_bitset_base::_M_do_reset): Use std::fill.
750 (__dynamic_bitset_base::_M_are_all_aux): Avoid integer promotion when
751 block_type has lower rank than int.
752 (dynamic_bitset): Add noexcept to most members. Use injected-class-name
753 in return types and parameter types.
754 (dynamic_bitset::_M_Nb): Add default member initializer.
755 (dynamic_bitset(), dynamic_bitset(const dynamic_bitset&)): Define as
757 (dynamic_bitset(dynamic_bitset&&)): Clear source object after move.
758 (dynamic_bitset::operator=(const dynamic_bitset&)): Define as
760 (dynamic_bitset::operator=(dynamic_bitset&&)): Add noexcept-specifier.
761 Define without using swap, to propagate allocator correctly.
762 (dynamic_bitset(const char*, const _Alloc&)): Use strlen.
763 (dynamic_bitset::_M_do_sanitize, dynamic_bitset::_M_do_fill): Use
764 casts to avoid unwanted integer promotions.
765 (dynamic_bitset::_M_copy_from_ptr): Rearrange template parameters and
766 add default template arguments and default argument to simplify usage.
767 (dynamic_bitset::_M_copy_from_string): Adjust call to _M_copy_from_ptr.
768 (operator==(const dynamic_bitset&, const dynamic_bitset&))
769 (operator<(const dynamic_bitset&, const dynamic_bitset&)): Use _M_Nb.
770 * include/tr2/dynamic_bitset.tcc (dynamic_bitset::_M_copy_from_ptr):
771 Adjust template parameters to match declaration.
772 * testsuite/tr2/dynamic_bitset/cmp.cc: New test.
773 * testsuite/tr2/dynamic_bitset/cons.cc: New test.
774 * testsuite/tr2/dynamic_bitset/copy.cc: New test.
775 * testsuite/tr2/dynamic_bitset/move.cc: New test.
776 * testsuite/tr2/dynamic_bitset/pr92059.cc: New test.
778 * include/bits/charconv.h (__to_chars_len): Avoid -Wsign-compare
781 2019-10-10 Jonathan Wakely <jwakely@redhat.com>
784 * src/c++98/locale.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]
785 (find_ldbl_sync_facet): Fix parameter type and missing return.
787 2019-10-09 Marek Polacek <polacek@redhat.com>
789 PR c++/91364 - P0388R4: Permit conversions to arrays of unknown bound.
790 PR c++/69531 - DR 1307: Differently bounded array parameters.
791 PR c++/88128 - DR 330: Qual convs and pointers to arrays of pointers.
792 * testsuite/23_containers/span/lwg3255.cc: Adjust test to match the
793 post-P0388R4 behavior.
795 2019-10-09 Jonathan Wakely <jwakely@redhat.com>
798 * src/c++98/locale.cc (locale::id::_M_id()) [__GTHREADS]: Use atomic
799 compare-exchange or double-checked lock to ensure only one thread sets
800 the _M_index variable.
801 [_GLIBCXX_LONG_DOUBLE_COMPAT]: Call find_ldbl_sync_facet to detect
802 facets that share another facet's ID.
803 [_GLIBCXX_LONG_DOUBLE_COMPAT] (find_ldbl_sync_facet): New function.
806 * src/c++98/locale_init.cc (locale::classic()): Do not construct a new
807 locale object for every call.
808 (locale::_S_initialize_once()): Construct C locale here.
810 2019-10-08 Jonathan Wakely <jwakely@redhat.com>
812 * doc/Makefile.am (doc-html-docbook-regenerate): New target.
813 (${docbook_outdir}/html): Do not create unused 'html/ext' directory.
814 * doc/Makefile.in: Regenerate.
815 * doc/xml/manual/documentation_hacking.xml: Document new target.
816 * doc/html/*: Regenerate.
818 * doc/xml/manual/allocator.xml: Use archived copy of CUJ article.
819 * doc/html/*: Regenerate.
821 2019-10-06 François Dumont <fdumont@gcc.gnu.org>
823 * include/bits/stl_algo.h
824 (__copy_n_a(_IIte, _Size, _OIte)): New.
825 (__copy_n_a(istreambuf_iterator<>, _Size, _CharT*)): New declaration.
826 (__copy_n(_IIte, _Size, _OIte, input_iterator_tag)): Adapt to use
828 * include/bits/streambuf_iterator.h (istreambuf_iterator<>): Declare
829 std::__copy_n_a friend.
830 (__copy_n_a(istreambuf_iterator<>, _Size, _CharT*)): New.
831 * testsuite/25_algorithms/copy_n/istreambuf_iterator/1.cc: New.
832 * testsuite/25_algorithms/copy_n/istreambuf_iterator/1_neg.cc: New.
833 * testsuite/25_algorithms/copy_n/istreambuf_iterator/2_neg.cc: New.
835 * include/bits/stl_iterator_base_types.h (__iterator_category_t): Define
837 (_RequireInputIte): Likewise and use __enable_if_t.
838 * include/std/numeric
839 (__is_random_access_iter): Use __iterator_category_t.
841 * include/bits/stl_algo.h (copy_n): Add __glibcxx_requires_can_increment
843 * testsuite/25_algorithms/copy_n/debug/1_neg.cc: New.
844 * testsuite/25_algorithms/copy_n/debug/2_neg.cc: New.
846 2019-10-04 François Dumont <fdumont@gcc.gnu.org>
848 * include/debug/forward_list
849 (_Sequence_traits<__debug::forward_list<>>::_S_size): Returns __dp_sign
850 distance when not empty.
851 * include/debug/list (_Sequence_traits<__debug::list<>>::_S_size):
853 * include/debug/helper_functions.h (__dp_sign_max_size): New
854 _Distance_precision enum entry.
855 (__valid_range_aux(_IIte, _IIte, _Distance_traits<>::__type,
856 __false_type)): Adapt.
857 * include/debug/safe_iterator.tcc
858 (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator&)): Review
859 distance computation.
861 2019-10-04 Jonathan Wakely <jwakely@redhat.com>
865 * configure.ac: Use AC_SYS_LARGEFILE to enable 64-bit file APIs.
866 * config.h.in: Regenerate:
867 * configure: Regenerate:
868 * include/Makefile.am (${host_builddir}/largefile-config.h): New
869 target to generate config header for filesystem library.
870 (${host_builddir}/c++config.h): Rename macros for large file support.
871 * include/Makefile.in: Regenerate.
872 * src/c++17/fs_dir.cc: Include new config header.
873 * src/c++17/fs_ops.cc: Likewise.
874 (filesystem::file_size): Use uintmax_t for size.
875 * src/filesystem/dir.cc: Include new config header.
876 * src/filesystem/ops.cc: Likewise.
877 (experimental::filesystem::file_size): Use uintmax_t for size.
879 * testsuite/util/testsuite_abi.h: Use std::unordered_map instead of
880 std::tr1::unordered_map.
881 * testsuite/util/testsuite_allocator.h: Likewise.
883 * include/tr1/hashtable.h: Add header for __gnu_cxx::__alloc_traits.
885 * include/tr1/hashtable.h (tr1::_Hashtable::_M_allocate_node): Use
886 __gnu_cxx::__alloc_traits for allocator construct function.
887 (tr1::_Hashtable::_M_deallocate_node): Likewise for destroy function.
889 * include/precompiled/stdc++.h: Include <span> for C++20.
890 * testsuite/17_intro/names.cc: Do not define 'e' for C++20.
892 2019-10-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
894 * include/parallel/multiway_merge.h (_RAIter3): Replace _C by _Cp.
896 2019-10-02 Jonathan Wakely <jwakely@redhat.com>
898 * config/abi/pre/gnu.ver: Tighten up greedy wildcards.
900 * doc/xml/manual/parallel_mode.xml: Add caveat about support for
902 * doc/html/*: Regenerate.
904 2019-10-01 Jonathan Wakely <jwakely@redhat.com>
906 * include/experimental/algorithm (experimental::sample): Qualify call
907 to __sample correctly.
908 * include/parallel/algo.h (sample, for_each_n): Add using-declarations
909 for algorithms that don't have parallel implementations.
911 * include/parallel/algobase.h (equal, lexicographical_compare): Add
912 _GLIBCXX20_CONSTEXPR and dispatch to sequential algorithm when being
914 * include/parallel/algorithmfwd.h (equal, lexicographical_compare):
915 Add _GLIBCXX20_CONSTEXPR.
917 * testsuite/17_intro/using_namespace_std_tr1_neg.cc: Skip test for
919 * testsuite/20_util/hash/84998.cc: Likewise.
920 * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: Likewise.
921 * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: Likewise.
922 * testsuite/23_containers/list/pmr_typedefs_debug.cc: Likewise.
923 * testsuite/23_containers/map/pmr_typedefs_debug.cc: Likewise.
924 * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: Likewise.
925 * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: Likewise.
926 * testsuite/23_containers/set/pmr_typedefs_debug.cc: Likewise.
927 * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc:
929 * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
931 * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
933 * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc:
935 * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
937 * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: Likewise.
938 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
939 * testsuite/25_algorithms/copy/86658.cc: Likewise.
940 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
941 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
942 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
943 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
945 * include/parallel/algo.h: Replace non-reserved names.
946 * include/parallel/multiway_merge.h: Likewise.
947 * include/parallel/multiway_mergesort.h: Likewise.
948 * include/parallel/numericfwd.h: Likewise.
949 * testsuite/17_intro/names.cc: Add RAI to test macros.
951 2019-09-30 François Dumont <fdumont@gcc.gnu.org>
953 * include/debug/array: Add C++20 constexpr to comparison operators.
954 * testsuite/23_containers/array/tuple_interface/get_debug_neg.cc: Adapt
955 dg-error line numbers.
956 * testsuite/23_containers/array/tuple_interface/
957 tuple_element_debug_neg.cc: Likewise.
959 2019-09-30 Andreas Tobler <andreast@gcc.gnu.org>
961 * include/experimental/internet: Include netinet/in.h if we have
962 _GLIBCXX_HAVE_NETINET_IN_H defined.
964 * testsuite/ext/special_functions/airy_ai/check_nan.cc: Ignore the
965 FreeBSD warning about lower advertised precision of tgammal.
966 * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
967 * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc: Likewise.
968 * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc: Likewise.
969 * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc: Likewise.
970 * testsuite/special_functions/10_cyl_neumann/check_nan.cc: Likewise.
971 * testsuite/special_functions/19_sph_bessel/check_nan.cc: Likewise.
972 * testsuite/special_functions/21_sph_neumann/check_nan.cc: Likewise.
973 * testsuite/tr1/5_numerical_facilities/special_functions/
974 08_cyl_bessel_i/check_nan.cc: Likewise.
975 * testsuite/tr1/5_numerical_facilities/special_functions/
976 09_cyl_bessel_j/check_nan.cc: Likewise.
977 * testuite/tr1/5_numerical_facilities/special_functions/
978 10_cyl_bessel_k/check_nan.cc: Likewise.
979 * testsuite/tr1/5_numerical_facilities/special_functions/
980 11_cyl_neumann/check_nan.cc: Likewise.
981 * testsuite/tr1/5_numerical_facilities/special_functions/
982 21_sph_bessel/check_nan.cc: Likewise.
983 * testsuite/tr1/5_numerical_facilities/special_functions/
984 23_sph_neumann/check_nan.cc: Likewise.
986 2019-09-30 Jonathan Wakely <jwakely@redhat.com>
988 * include/std/span (span(element_type(&)[N]))
989 (span(array<value_type, N>&), span(const array<value_type, N>&)):
990 Deduce array element type to allow safe const conversions (LWG 3255).
991 [!_GLIBCXX_P1394] (span(Container&), span(const Container&)): Use
992 remove_cv_t on arguments to __is_std_span and __is_std_array.
993 * testsuite/23_containers/span/lwg3255.cc: New test.
996 * include/parallel/checkers.h (__is_sorted): Remove unused variable.
998 2019-09-28 François Dumont <fdumont@gcc.gnu.org>
1000 * include/bits/stl_algo.h (merge): Fix documentation.
1001 * include/debug/functions.h (__check_sorted_aux): Add C++20 constexpr.
1002 (__check_sorted): Likewise and remove nested irreflexive check.
1003 (__check_sorted_set_aux, __check_sorted_set): Add C++20 constexpr.
1004 (__check_partitioned_lower, __check_partitioned_upper): Likewise.
1005 (_Irreflexive_checker::_S_is_valid): Likewise.
1006 (__is_irreflexive, __is_irreflexive_pred): Likewise.
1007 * include/debug/helper_functions.h (__get_distance): Add constexpr.
1008 (__valid_range_aux): Add C++20 constexpr.
1009 (__valid_range(_Iter, _Iter, _Distance_traits<_Iter>::__type&)):
1010 Likewise and add std::is_constant_evaluated check.
1011 (__valid_range_aux(_Iter, _Iter, std::input_iterator_tag)): New.
1012 (__valid_range_aux(_Iter, _Iter, std::random_accss_iterator_tag)): New.
1013 (__valid_range_aux(_Integral, _Integral, std::__true_type)): New,
1015 (__valid_range(_Iter, _Iter)): Adapt to use latter, add constexpr and
1016 __builtin_is_contant_evaludated check..
1017 (__can_advance, __base): Add constexpr.
1018 * include/debug/macros.h [_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED]
1019 (_GLIBCXX_DEBUG_VERIFY_COND_AT): New.
1020 (__glibcxx_check_sorted): Use __glibcxx_check_irreflexive.
1021 (__glibcxx_check_sorted_pred): Use __glibcxx_check_irreflexive_pred.
1022 * testsuite/25_algorithms/binary_search/constexpr.cc: Use irreflexive
1024 * testsuite/25_algorithms/is_sorted/constexpr.cc: Likewise.
1025 * testsuite/25_algorithms/merge/constexpr.cc: Fix order in camm. Fix
1026 lambda to be irreflexive.
1028 2019-09-27 Maciej W. Rozycki <macro@wdc.com>
1030 * configure: Regenerate.
1032 2019-09-27 Jonathan Wakely <jwakely@redhat.com>
1035 * src/c++11/debug.cc (_Safe_iterator_base::_M_detach()): Load pointer
1036 atomically and lock the mutex before accessing the sequence.
1037 (_Safe_local_iterator_base::_M_detach()): Likewise.
1038 (_Safe_iterator_base::_M_reset()): Clear _M_sequence atomically.
1040 2019-09-26 Jonathan Wakely <jwakely@redhat.com>
1042 * include/debug/array (to_array): Define for debug mode.
1044 * include/bits/stl_pair.h (pair): Add _GLIBCXX20_CONSTEXPR to
1045 piecewise construction constructor, assignment operators, and swap.
1046 * include/std/tuple (pair::pair(piecewise_construct_t, tuple, tuple)):
1047 Add _GLIBCXX20_CONSTEXPR.
1048 (pair::pair(tuple, tuple, _Index_tuple, _Index_tuple)): Likewise.
1049 * testsuite/20_util/pair/constexpr_assign.cc: New test.
1050 * testsuite/20_util/pair/constexpr_swap.cc: New test.
1052 * include/experimental/internet (operator==, operator<): Fix loop
1053 condition to avoid reading past the end of the array.
1055 * include/std/array: Remove references to profile mode.
1056 * include/std/bitset: Likewise.
1057 * include/std/deque: Likewise.
1058 * include/std/forward_list: Likewise.
1059 * include/std/list: Likewise.
1060 * include/std/map: Likewise.
1061 * include/std/set: Likewise.
1062 * include/std/unordered_map: Likewise.
1063 * include/std/unordered_set: Likewise.
1064 * include/std/vector: Likewise.
1065 * testsuite/17_intro/headers/c++1998/profile_mode.cc: New test.
1066 * testsuite/17_intro/headers/c++2011/profile_mode.cc: New test.
1068 2019-09-25 Jonathan Wakely <jwakely@redhat.com>
1070 * include/bits/regex.h
1071 (basic_regex::assign(const C*, size_t, flag_type)): Add default
1072 argument (LWG 3296).
1073 * testsuite/28_regex/basic_regex/assign/char/lwg3296.cc: New test.
1074 * testsuite/28_regex/basic_regex/assign/wchar_t/lwg3296.cc: New test.
1076 2019-09-24 Jonathan Wakely <jwakely@redhat.com>
1078 * include/std/variant (variant::index()): Remove impossible case.
1081 * testsuite/util/testsuite_hooks.h
1082 (conversion::iterator_to_const_iterator()): Do not return an invalid
1083 iterator. Test direct-initialization and direct-list-initialization
1084 as well as implicit conversion.
1086 2019-09-23 Jonathan Wakely <jwakely@redhat.com>
1088 PR libstdc++/91788 (partial)
1089 * include/std/variant (variant::index()): Improve codegen for cases
1090 where conversion to size_t already works correctly.
1092 2019-09-23 Andreas Schwab <schwab@suse.de>
1094 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
1096 2019-09-12 Jonathan Wakely <jwakely@redhat.com>
1099 * include/bits/stl_algo.h (for_each_n): Fix random access iterator
1101 * testsuite/25_algorithms/for_each/for_each_n.cc: Test with random
1104 2019-09-11 Jonathan Wakely <jwakely@redhat.com>
1106 * python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker.__call__):
1109 * testsuite/20_util/result_of/sfinae_friendly_1.cc: Add -Wno-volatile
1110 for C++2a and up. Define HAS_52748_FIXED and fix incorrect tests.
1111 * testsuite/tr1/3_function_objects/result_of.cc: Add -Wno-volatile
1114 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
1116 * include/std/type_traits (__do_common_type_impl): Implement
1117 additional COND-RES(CREF(D1), CRED(D2)) condition for C++20.
1118 (basic_common_reference, common_reference, common_reference_t): Define
1120 * testsuite/20_util/common_reference/requirements/alias_decl.cc: New
1122 * testsuite/20_util/common_reference/requirements/
1123 explicit_instantiation.cc: New test.
1124 * testsuite/20_util/common_reference/requirements/typedefs.cc: New
1127 * include/std/charconv (to_chars): Rename to __to_chars_i. Define
1128 non-template overloads for each signed and unsigned integer type and
1129 char. Define deleted overload for bool (LWG 3266).
1130 * testsuite/20_util/to_chars/1_neg.cc: Remove.
1131 * testsuite/20_util/to_chars/3.cc: New test.
1132 * testsuite/20_util/to_chars/lwg3266.cc: New test.
1134 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
1136 * acinclude.m4: Handle uclinux*.
1137 * configure: Regenerate.
1138 * configure.host: Handle uclinux*
1140 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
1141 Mickaël Guêné <mickael.guene@st.com>
1143 * libsupc++/eh_personality.cc (get_ttype_entry): Add FDPIC
1146 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
1149 * testsuite/23_containers/span/get_neg.cc: Avoid ambiguity due to
1150 0ul being a valid null pointer constant.
1152 * include/std/type_traits (__remove_cv_t): New alias template.
1153 (is_void, is_integral, is_floating_point, is_pointer)
1154 (is_member_object_pointer, is_member_function_pointer, is_null_pointer)
1155 (is_member_point), __is_signed_integer, __is_unsigned_integer)
1156 (__make_unsigned_selector, __make_signed_selector, remove_pointer)
1157 (__decay_selector): Use __remove_cv_t.
1158 (remove_cv): Add partial specializations for cv-qualified types.
1159 (__decay_t): New alias template.
1160 (__decay_and_strip, __common_type_impl, __result_of_impl): Use
1162 (__enable_if_t): Move earlier in the file.
1163 (_Require): Use __enable_if_t.
1164 (swap(T&, T&)): Use _Require.
1165 (swap(T(&)[N])): Use __enable_if_t.
1167 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
1169 Implement C++20 p1424 - 'constexpr' feature macro concerns,
1170 Issue 3256 - Feature testing macro for constexpr algorithms,
1171 and Issue 3257 - Missing feature testing macro update from P0858.
1172 * include/std/version (__cpp_lib_constexpr_algorithms): Bump value.
1173 * include/bits/algorithmfwd.h: Ditto.
1174 * include/std/utility: Ditto.
1175 * testsuite/25_algorithms/constexpr_macro.cc: Ditto.
1176 * testsuite/25_algorithms/cpp_lib_constexpr.cc: New check for
1177 __cpp_lib_constexpr macro in <algorith>.
1178 * testsuite/20_util/exchange/constexpr.cc: Add check for
1179 __cpp_lib_constexpr macro in <utility>.
1180 * testsuite/25_algorithms/adjacent_find/constexpr.cc: Remove check for
1181 __cpp_lib_constexpr_algorithms.
1182 * testsuite/25_algorithms/all_of/constexpr.cc: Ditto.
1183 * testsuite/25_algorithms/any_of/constexpr.cc: Ditto.
1184 * testsuite/25_algorithms/binary_search/constexpr.cc: Ditto.
1185 * testsuite/25_algorithms/copy/constexpr.cc: Ditto.
1186 * testsuite/25_algorithms/copy_backward/constexpr.cc: Ditto.
1187 * testsuite/25_algorithms/copy_if/constexpr.cc: Ditto.
1188 * testsuite/25_algorithms/copy_n/constexpr.cc: Ditto.
1189 * testsuite/25_algorithms/count/constexpr.cc: Ditto.
1190 * testsuite/25_algorithms/count_if/constexpr.cc: Ditto.
1191 * testsuite/25_algorithms/equal/constexpr.cc: Ditto.
1192 * testsuite/25_algorithms/equal_range/constexpr.cc: Ditto.
1193 * testsuite/25_algorithms/fill/constexpr.cc: Ditto.
1194 * testsuite/25_algorithms/fill_n/constexpr.cc: Ditto.
1195 * testsuite/25_algorithms/find/constexpr.cc: Ditto.
1196 * testsuite/25_algorithms/find_end/constexpr.cc: Ditto.
1197 * testsuite/25_algorithms/find_first_of/constexpr.cc: Ditto.
1198 * testsuite/25_algorithms/find_if/constexpr.cc: Ditto.
1199 * testsuite/25_algorithms/find_if_not/constexpr.cc: Ditto.
1200 * testsuite/25_algorithms/for_each/constexpr.cc: Ditto.
1201 * testsuite/25_algorithms/generate/constexpr.cc: Ditto.
1202 * testsuite/25_algorithms/generate_n/constexpr.cc: Ditto.
1203 * testsuite/25_algorithms/is_heap/constexpr.cc: Ditto.
1204 * testsuite/25_algorithms/is_heap_until/constexpr.cc: Ditto.
1205 * testsuite/25_algorithms/is_partitioned/constexpr.cc: Ditto.
1206 * testsuite/25_algorithms/is_permutation/constexpr.cc: Ditto.
1207 * testsuite/25_algorithms/is_sorted/constexpr.cc: Ditto.
1208 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: Ditto.
1209 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: Ditto.
1210 * testsuite/25_algorithms/lower_bound/constexpr.cc: Ditto.
1211 * testsuite/25_algorithms/merge/constexpr.cc: Ditto.
1212 * testsuite/25_algorithms/mismatch/constexpr.cc: Ditto.
1213 * testsuite/25_algorithms/none_of/constexpr.cc: Ditto.
1214 * testsuite/25_algorithms/partition_copy/constexpr.cc: Ditto.
1215 * testsuite/25_algorithms/partition_point/constexpr.cc: Ditto.
1216 * testsuite/25_algorithms/remove/constexpr.cc: Ditto.
1217 * testsuite/25_algorithms/remove_copy/constexpr.cc: Ditto.
1218 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: Ditto.
1219 * testsuite/25_algorithms/remove_if/constexpr.cc: Ditto.
1220 * testsuite/25_algorithms/replace_copy/constexpr.cc: Ditto.
1221 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: Ditto.
1222 * testsuite/25_algorithms/replace_if/constexpr.cc: Ditto.
1223 * testsuite/25_algorithms/reverse_copy/constexpr.cc: Ditto.
1224 * testsuite/25_algorithms/rotate_copy/constexpr.cc: Ditto.
1225 * testsuite/25_algorithms/search/constexpr.cc: Ditto.
1226 * testsuite/25_algorithms/search_n/constexpr.cc: Ditto.
1227 * testsuite/25_algorithms/set_difference/constexpr.cc: Ditto.
1228 * testsuite/25_algorithms/set_intersection/constexpr.cc: Ditto.
1229 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: Ditto.
1230 * testsuite/25_algorithms/set_union/constexpr.cc: Ditto.
1231 * testsuite/25_algorithms/transform/constexpr.cc: Ditto.
1232 * testsuite/25_algorithms/unique/constexpr.cc: Ditto.
1233 * testsuite/25_algorithms/unique_copy/constexpr.cc: Ditto.
1234 * testsuite/25_algorithms/upper_bound/constexpr.cc: Ditto.
1236 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
1238 Update docs for recent <span> and constexpr lib changes.
1239 * doc/xml/manual/status_cxx2020.xml: Update p0202r3, p0858r0, p0879r0,
1240 p1023r0, p1085r2 status.
1241 * doc/html/manual/status.html: Regenerate.
1243 2019-09-09 Antony Polukhin <antoshkka@gmail.com>
1245 * include/bits/charconv.h (__detail::__to_chars_10_impl): Replace
1246 final offsets with constants.
1248 2019-09-09 Jonathan Wakely <jwakely@redhat.com>
1250 * include/bits/range_access.h (__adl_to_address): Remove.
1251 * include/std/span (__is_base_derived_safe_convertible_v): Replace
1252 with span::__is_compatible.
1253 (__is_std_array_v): Replace with __is_std_array class template and
1254 partial specializations.
1255 (__is_std_array, __is_std_span): New class templates and partial
1257 (span::__is_compatible): New alias template for SFINAE constraints.
1258 (span::span(element_type (&)[N])): Remove redundant constraints. Do
1259 not use __adl_data to obtain a pointer.
1260 (span::span(array<value_type, N>&)): Likewise.
1261 (span::span(const array<value_type, N>&)): Likewise.
1262 [_GLIBCXX_P1394] (span::iter_reference_t, span::iterator_t)
1263 (span::iter_value_t, span::derived_from): New alias templates for
1264 SFINAE constraints, until the equivalents are supported in <concepts>
1266 [_GLIBCXX_P1394] (span::__is_compatible_iterator): New alias template
1267 for SFINAE constraints.
1268 [_GLIBCXX_P1394] (span::is_compatible_range): New class template for
1270 [_GLIBCXX_P1394] (span::span(Range&&)): Improve constraints.
1271 [_GLIBCXX_P1394] (span::span(ContiguousIterator, Sentinel)): Likewise.
1272 Use std::to_address instead of __adl_to_address.
1273 [_GLIBCXX_P1394] (span::span(ContiguousIterator, size_type)): Likewise.
1274 [!_GLIBCXX_P1394] (span::__is_compatible_container): New alias
1275 template for SFINAE constraints.
1276 [!_GLIBCXX_P1394] (span::span(Container&))
1277 (span::span(const Container&)): Improve constraints.
1278 [!_GLIBCXX_P1394] (span::span(pointer, size_type))
1279 (span::span(pointer, pointer)): Remove redundant cast of pointer.
1280 (span(const span<OType, OExtent>&)): New constructor.
1282 2019-09-06 Jonathan Wakely <jwakely@redhat.com>
1284 * include/bits/range_access.h (ssize): Define for C++20.
1285 * testsuite/24_iterators/range_access_cpp20.cc: New test.
1286 * doc/xml/manual/status_cxx2020.xml: Update P1227R2 status.
1287 * doc/html/*: Regenerate.
1289 2019-09-06 Florian Weimer <fweimer@redhat.com>
1291 * configure: Regenerate.
1293 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
1295 * doc/xml/manual/status_cxx2020.xml: Update status for P0122R7 and
1296 P1024R3. Remove entry for P0920R2.
1297 * include/std/span (__cpp_lib_span): Change value.
1298 (__extent_storage, __extent_storage<dynamic_extent>): Remove default
1300 (span): Replace __extent_storage base class with data member.
1301 (span::_S_subspan_extent): New function.
1302 (span::empty()): Add nodiscard attribute.
1303 (span::front, span::back, span::operator[]): Check preconditions.
1304 (span::first, span::last, span::subspan): Add noexcept. Improve
1305 precondition checks (LWG 3103).
1306 (get): Remove redundant condition from static_assert.
1307 (tuple_element<I, span<T, E>>): Fix static_assert message and simplify.
1308 (as_writable_bytes): Add inline specifier.
1309 * include/std/version (__cpp_lib_span): Change value.
1310 * testsuite/23_containers/span/back_neg.cc: Remove stray semi-colon.
1311 * testsuite/23_containers/span/front_neg.cc: Likewise.
1312 * testsuite/23_containers/span/index_op_neg.cc: Likewise.
1313 * testsuite/23_containers/span/last_neg.cc: Improve test.
1314 * testsuite/23_containers/span/subspan_neg.cc: Likewise.
1315 * testsuite/23_containers/span/1.cc: New test.
1316 * testsuite/23_containers/span/2.cc: New test.
1317 * testsuite/23_containers/span/back_assert_neg.cc: New test.
1318 * testsuite/23_containers/span/first_2_assert_neg.cc: New test.
1319 * testsuite/23_containers/span/first_assert_neg.cc: New test.
1320 * testsuite/23_containers/span/first_neg.cc: New test.
1321 * testsuite/23_containers/span/front_assert_neg.cc: New test.
1322 * testsuite/23_containers/span/index_op_assert_neg.cc: New test.
1323 * testsuite/23_containers/span/last_2_assert_neg.cc: New test.
1324 * testsuite/23_containers/span/last_assert_neg.cc: New test.
1325 * testsuite/23_containers/span/subspan_2_assert_neg.cc: New test.
1326 * testsuite/23_containers/span/subspan_3_assert_neg.cc: New test.
1327 * testsuite/23_containers/span/subspan_4_assert_neg.cc: New test.
1328 * testsuite/23_containers/span/subspan_5_assert_neg.cc: New test.
1329 * testsuite/23_containers/span/subspan_6_assert_neg.cc: New test.
1330 * testsuite/23_containers/span/subspan_assert_neg.cc: New test.
1332 2019-09-05 JeanHeyd Meneide <phdofthehouse@gmail.com>
1334 * include/Makefile.am: Add <span> header.
1335 * include/Makefile.in: Regenerate.
1336 * include/bits/range_access.h (__adl_begin, __adl_end, __adl_cbegin)
1337 (__adl_cend, __adl_rbegin, __adl_rend, __adl_crbegin, __adl_crend)
1338 (__adl_data, __adl_cdata, __adl_size, __adl_empty, __adl_to_address):
1339 New functions for performing argument-dependent lookup of range
1340 customization points.
1341 * include/bits/stl_iterator.h (__normal_iterator): Add
1342 _GLIBCXX20_CONSTEXPR to all functions.
1343 * include/std/span: New header.
1344 * include/std/version (__cpp_lib_span): Define feature test macro.
1345 * testsuite/23_containers/span/contiguous_range_neg.cc: New test.
1346 * testsuite/23_containers/span/everything.cc: New test.
1347 * testsuite/23_containers/span/get_neg.cc: New test.
1348 * testsuite/23_containers/span/last_neg.cc: New test.
1349 * testsuite/23_containers/span/subspan_neg.cc: New test.
1350 * testsuite/23_containers/span/tuple_element_dynamic_neg.cc: New test.
1351 * testsuite/23_containers/span/tuple_element_oob_neg.cc: New test.
1352 * testsuite/23_containers/span/tuple_size_neg.cc: New test.
1354 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
1356 * doc/xml/manual/allocator.xml: Remove URL for bibliography entry.
1357 * doc/html/*: Regenerate.
1359 2019-09-04 Mike Crowe <mac@mcrowe.com>
1362 * acinclude.m4 (GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT): Check for new
1363 pthread_cond_clockwait function.
1364 * configure.ac: Use GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT.
1365 * configure: Regenerate.
1366 * config.h.in: Regenerate.
1367 * include/std/condition_variable: (condition_variable): Rename
1368 __steady_clock_t typedef and add system_clock. Change __clock_t to be
1369 a typedef for the preferred clock to convert arbitrary other clocks to.
1370 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (wait_until): Add a steady_clock
1372 (wait_until): Change __clock_t overload to use system_clock.
1373 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (__wait_until_impl): Add
1374 steady_clock overload that calls pthread_cond_clockwait.
1375 (__wait_until_impl): Change __clock_t overload to use system_clock.
1376 (condition_variable_any) [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT]: Use
1377 steady_clock for __clock_t if pthread_cond_clockwait is available.
1379 2019-09-04 Mike Crowe <mac@mcrowe.com>
1381 * testsuite/30_threads/condition_variable/members/2.cc (test01):
1382 Parameterise so that test can be run against an arbitrary clock.
1383 (main): Test using std::chrono::steady_clock and a user-defined
1384 clock in addition to the previous std::chrono::system_clock.
1385 * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
1387 2019-09-03 Ulrich Weigand <uweigand@de.ibm.com>
1389 * crossconfig.m4: Remove references to spu.
1390 * configure: Regenerate.
1391 * doc/xml/manual/appendix_contributing.xml: Remove references
1392 to __ea as "badword" for spu.
1393 * doc/html/manual/source_code_style.html: Regenerate.
1394 * include/tr1/ell_integral.tcc (__ellint_rd): Do not attempt
1395 to avoid __ea (as "badword" for spu).
1396 (__ellint_rj): Likewise.
1398 2019-09-03 Chung-Lin Tang <cltang@codesourcery.com>
1401 * acinclude.m4 (GLIBCXX_CHECK_LINKER_FEATURES): Fix GNU ld --version
1402 scanning to conform to the GNU Coding Standards.
1403 * configure: Regenerate.
1405 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
1407 * src/c++17/memory_resource.cc: Use __constinit keyword.
1409 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
1411 * doc/xml/manual/abi.xml: Document 9.x library versions.
1412 * doc/html/*: Regenerate.
1414 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
1416 * include/std/charconv (__detail::__to_chars_2_len): Use std::log2p1.
1417 (__detail::__to_chars_8_len): Remove.
1418 (__detail::__to_chars_8): Inline length calculation here.
1419 (__detail::__from_chars_binary): Use numeric_limits instead of
1422 2019-09-02 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1424 * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
1425 * config/abi/post/i386-solaris/amd64/baseline_symbols.txt: Likewise.
1426 * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
1427 * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
1430 2019-09-01 François Dumont <fdumont@gcc.gnu.org>
1432 * testsuite_files/util/testsuite_performance.h
1433 (resource_counter::start): Ignore unused malloc(0) result.
1435 2019-09-01 Gerald Pfeifer <gerald@pfeifer.com>
1437 * doc/xml/manual/policy_data_structures_biblio.xml (COM: Component
1438 Model Object Technologies): Adjust name and link.
1440 2019-08-30 Antony Polukhin <antoshkka@gmail.com>
1442 * include/std/charconv (__detail::__to_chars_8)
1443 __detail::__to_chars_16): Replace array of precomputed digits with
1444 arithmetic operations to avoid CPU cache misses. Remove zero
1445 termination from array of digits to allow symbol merge with generic
1446 implementation of __detail::__to_chars. Replace final offsets with
1447 constants. Use __detail::__to_chars_len_2 instead of a generic
1448 __detail::__to_chars_len.
1449 (__detail::__to_chars): Remove zero termination from array of digits.
1450 (__detail::__to_chars_2): Leading digit is always '1'.
1452 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
1454 * testsuite/23_containers/vector/cons/89164_c++17.cc: Fix errors.
1456 2019-08-30 Uros Bizjak <ubizjak@gmail.com>
1458 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
1460 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
1463 * include/bits/stl_algobase.h (__copy_move): Give descriptive names
1464 to template parameters.
1465 * include/bits/stl_uninitialized.h (uninitialized_copy)
1466 (uninitialized_fill, uninitialized_fill_n): Add static assertions to
1467 diagnose invalid uses.
1468 * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
1469 Adjust expected error.
1470 * testsuite/20_util/specialized_algorithms/uninitialized_copy/89164.cc:
1472 * testsuite/20_util/specialized_algorithms/uninitialized_copy_n/
1474 * testsuite/20_util/specialized_algorithms/uninitialized_fill/89164.cc:
1476 * testsuite/20_util/specialized_algorithms/uninitialized_fill_n/
1478 * testsuite/23_containers/vector/cons/89164.cc: New test.
1479 * testsuite/23_containers/vector/cons/89164_c++17.cc: New test.
1481 2019-08-29 Jonathan Wakely <jwakely@redhat.com>
1484 * acinclude.m4 (libtool_VERSION): Bump to 6:28:0.
1485 * configure: Regenerate.
1486 * config/abi/pre/gnu.ver (GLIBCXX_3.4.28): Add new version. Export
1488 * testsuite/27_io/filesystem/iterators/91067.cc: Test move
1490 * testsuite/util/testsuite_abi.cc: Add new symbol version.
1492 2019-08-29 Jakub Jelinek <jakub@redhat.com>
1494 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
1495 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1497 2019-08-28 Jonathan Wakely <jwakely@redhat.com>
1499 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
1500 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
1501 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
1502 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
1503 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
1504 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
1505 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
1507 2019-08-23 Joseph Myers <joseph@codesourcery.com>
1509 * src/filesystem/ops-common.h [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
1510 (std::filesystem::__gnu_posix::lstat): Add return type.
1512 2019-08-20 Jonathan Wakely <jwakely@redhat.com>
1514 * doc/doxygen/user.cfg.in (INPUT): Remove profile mode headers.
1516 * include/std/numeric (reduce): Fix Doxygen markup.
1519 * include/std/type_traits (is_function): Simplify definition. Remove
1520 partial specializations for function types.
1521 (__is_referenceable): Simplify definition.
1522 * testsuite/20_util/bind/91371.cc: New test.
1523 * testsuite/20_util/is_function/91371.cc: New test.
1524 * testsuite/20_util/is_function/value.cc: Check more pointer types.
1525 * testsuite/20_util/is_member_function_pointer/91371.cc: New test.
1526 * testsuite/20_util/is_object/91371.cc: New test.
1528 2019-08-16 Uros Bizjak <ubizjak@gmail.com>
1530 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
1532 2019-08-15 Jonathan Wakely <jwakely@redhat.com>
1535 * include/bits/std_function.h (__check_func_return_type): Remove.
1536 (function::_Callable): Use std::__is_invocable_impl instead of
1537 __check_func_return_type.
1538 * include/std/type_traits (__is_invocable_impl): Add another defaulted
1539 template parameter. Define a separate partial specialization for
1540 INVOKE and INVOKE<void>. For INVOKE<R> replace is_convertible check
1541 with a check that models delayed temporary materialization.
1542 * testsuite/20_util/function/91456.cc: New test.
1543 * testsuite/20_util/is_invocable/91456.cc: New test.
1545 2019-08-14 Jonathan Wakely <jwakely@redhat.com>
1547 * include/std/type_traits (__is_nullptr_t): Add deprecated attribute.
1549 2019-08-14 Edward Smith-Rowland <3dw4rd@verizon.net>
1551 Implement C++20 p0879 - Constexpr for swap and swap related functions.
1552 * include/std/version (__cpp_lib_constexpr_swap_algorithms): New macro.
1553 * include/bits/algorithmfwd.h (__cpp_lib_constexpr_swap_algorithms):
1555 (iter_swap, make_heap, next_permutation, partial_sort_copy, pop_heap)
1556 (prev_permutation, push_heap, reverse, rotate, sort_heap, swap)
1557 (swap_ranges, nth_element, partial_sort, sort): Add constexpr.
1558 * include/bits/move.h (swap): Add constexpr.
1559 * include/bits/stl_algo.h (__move_median_to_first, __reverse, reverse)
1560 (__gcd, __rotate, rotate, __partition, __heap_select)
1561 (__partial_sort_copy, partial_sort_copy, __unguarded_partition)
1562 (__unguarded_partition_pivot, __partial_sort, __introsort_loop, __sort)
1563 (__introselect, __chunk_insertion_sort, next_permutation)
1564 (prev_permutation, partition, partial_sort, nth_element, sort)
1565 (__iter_swap::iter_swap, iter_swap, swap_ranges): Add constexpr.
1566 * include/bits/stl_algobase.h (__iter_swap::iter_swap, iter_swap)
1567 (swap_ranges): Add constexpr.
1568 * include/bits/stl_heap.h (__push_heap, push_heap, __adjust_heap,
1569 __pop_heap, pop_heap, __make_heap, make_heap, __sort_heap, sort_heap):
1571 * include/std/type_traits (swap): Add constexpr.
1572 * testsuite/25_algorithms/headers/algorithm/synopsis.cc: Add constexpr.
1573 * testsuite/25_algorithms/iter_swap/constexpr.cc: New test.
1574 * testsuite/25_algorithms/make_heap/constexpr.cc: New test.
1575 * testsuite/25_algorithms/next_permutation/constexpr.cc: New test.
1576 * testsuite/25_algorithms/nth_element/constexpr.cc: New test.
1577 * testsuite/25_algorithms/partial_sort/constexpr.cc: New test.
1578 * testsuite/25_algorithms/partial_sort_copy/constexpr.cc: New test.
1579 * testsuite/25_algorithms/partition/constexpr.cc: New test.
1580 * testsuite/25_algorithms/pop_heap/constexpr.cc: New test.
1581 * testsuite/25_algorithms/prev_permutation/constexpr.cc: New test.
1582 * testsuite/25_algorithms/push_heap/constexpr.cc: New test.
1583 * testsuite/25_algorithms/reverse/constexpr.cc: New test.
1584 * testsuite/25_algorithms/rotate/constexpr.cc: New test.
1585 * testsuite/25_algorithms/sort/constexpr.cc: New test.
1586 * testsuite/25_algorithms/sort_heap/constexpr.cc: New test.
1587 * testsuite/25_algorithms/swap/constexpr.cc: New test.
1588 * testsuite/25_algorithms/swap_ranges/constexpr.cc: New test.
1590 2019-08-12 Jonathan Wakely <jwakely@redhat.com>
1593 * src/c++17/string-inst.cc: Use _GLIBCXX_USE_CXX11_ABI=1 by default.
1595 * include/std/tuple (__unpack_std_tuple): New variable template and
1596 partial specializations.
1597 (apply, make_from_tuple): Add noexcept-specifier.
1598 * testsuite/20_util/tuple/apply/2.cc: New test.
1599 * testsuite/20_util/tuple/make_from_tuple/2.cc: New test.
1601 2019-08-09 Corentin Gay <gay@adacore.com>
1603 * testsuite/ext/random/beta_distribution/operators/serialize.cc,
1604 testsuite/ext/random/hypergeometric_distribution/operators/serialize.cc,
1605 testsuite/ext/random/normal_mv_distribution/operators/serialize.cc,
1606 testsuite/ext/random/triangular_distribution/operators/serialize.cc,
1607 testsuite/ext/random/von_mises_distribution/operators/serialize.cc:
1608 Add call to `VERIFY`.
1610 2019-08-09 Alexandre Oliva <oliva@adacore.com>
1612 * include/ext/random
1613 (normal_mv_distribution::param_type::param_type): New private
1614 ctor taking a decomposed varcov matrix, for use by...
1615 (operator>>): ... this, befriended.
1616 * include/ext/random.tcc (operator>>): Use it.
1617 (normal_mv_distribution::param_type::_M_init_lower): Adjust
1618 member function name in exception message.
1620 2019-08-08 Jonathan Wakely <jwakely@redhat.com>
1622 P0325R4 to_array from LFTS with updates
1623 * include/experimental/array (to_array): Qualify call to __to_array.
1624 * include/std/array (__cpp_lib_to_array, to_array): Define for C++20.
1625 * include/std/version (__cpp_lib_to_array): Likewise.
1626 * testsuite/23_containers/array/creation/1.cc: New test.
1627 * testsuite/23_containers/array/creation/2.cc: New test.
1628 * testsuite/23_containers/array/creation/3_neg.cc: New test.
1629 * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
1630 Use zero for dg-error line number.
1632 2019-08-06 Jonathan Wakely <jwakely@redhat.com>
1634 P1651R0 bind_front should not unwrap reference_wrapper
1635 * include/std/functional (bind_front): Don't unwrap reference_wrapper.
1636 * include/std/version (__cpp_lib_bind_front): Update value.
1637 * testsuite/20_util/function_objects/bind_front/1.cc: Fix test for
1639 * testsuite/20_util/function_objects/bind_front/2.cc: New test.
1641 * include/std/numbers [!__STRICT_ANSI__ && _GLIBCXX_USE_FLOAT128]
1642 (e_v, log2e_v, log10e_v, pi_v, inv_pi_v, inv_sqrtpi_v, ln2_v, ln10_v)
1643 (sqrt2_v, sqrt3_v, inv_sqrt3, egamma_v, phi_v): Add explicit
1644 specializations for __float128.
1645 * testsuite/26_numerics/numbers/float128.cc: New test.
1647 2019-08-04 Gerald Pfeifer <gerald@pfeifer.com>
1649 * doc/xml/manual/documentation_hacking.xml: doxygen.org is now
1652 2019-08-01 Edward Smith-Rowland <3dw4rd@verizon.net>
1654 Implement C++20 p0202 - Add Constexpr Modifiers to Functions
1655 in <algorithm> and <utility> Headers.
1656 Implement C++20 p1023 - constexpr comparison operators for std::array.
1657 * include/bits/algorithmfwd.h (all_of, any_of, binary_search, copy,
1658 copy_backward, copy_if, copy_n, equal_range, fill, find_end,
1659 find_if_not, includes, is_heap, is_heap_until, is_partitioned,
1660 is_permutation, is_sorted, is_sorted_until, iter_swap, lower_bound,
1661 none_of, partition_copy, partition_point, remove, remove_if,
1662 remove_copy, remove_copy_if, replace_copy, replace_copy_if,
1663 reverse_copy, rotate_copy, uunique, upper_bound, adjacent_find, count,
1664 count_if, equal, find, find_first_of, find_if, for_each, generate,
1665 generate_n, lexicographical_compare, merge, mismatch, replace,
1666 replace_if, search, search_n, set_difference, set_intersection,
1667 set_symmetric_difference, set_union, transform, unique_copy):
1669 * include/bits/cpp_type_traits.h (__miter_base): Mark constexpr.
1670 * include/bits/predefined_ops.h (_Iter_less_val::operator(),
1671 _Val_less_iter::operator(), _Iter_equal_to_iter::operator(),
1672 _Iter_equal_to_val::operator(), _Iter_equals_val::operator()):
1673 Use const ref instead of ref arg;
1674 (_Iter_less_val, __iter_less_val, _Val_less_iter, __val_less_iter,
1675 __iter_equal_to_iter, __iter_equal_to_val, __iter_comp_val,
1676 _Iter_comp_val, _Val_comp_iter, __val_comp_iter, __iter_equals_val,
1677 _Iter_equals_iter, __iter_comp_iter, _Iter_pred, __pred_iter,
1678 _Iter_comp_to_val, __iter_comp_val, _Iter_comp_to_iter,
1679 __iter_comp_iter): Mark constexpr.
1680 * include/bits/stl_algo.h (__find_if, __find_if_not, __find_if_not_n,
1681 __search, __search_n_aux, __search_n, __find_end, find_end, all_of,
1682 none_of, any_of, find_if_not, is_partitioned, partition_point,
1683 __remove_copy_if, remove_copy, remove_copy_if, copy_if, __copy_n,
1684 copy_n, partition_copy, __remove_if, remove, remove_if, __adjacent_find,
1685 __unique, unique, __unique_copy, reverse_copy, rotate_copy,
1686 __unguarded_linear_insert, __insertion_sort, __unguarded_insertion_sort,
1687 __final_insertion_sort, lower_bound, __upper_bound, upper_bound,
1688 __equal_range, equal_range, binary_search, __includes, includes,
1689 __next_permutation, __prev_permutation, __replace_copy_if, replace_copy,
1690 replace_copy_if, __count_if, is_sorted, __is_sorted_until,
1691 is_sorted_until, __is_permutation, is_permutation, for_each, find,
1692 find_if, find_first_of, adjacent_find, count, count_if, search,
1693 search_n, transform, replace, replace_if, generate, generate_n,
1694 unique_copy, __merge, merge, __set_union, set_union, __set_intersection,
1695 set_intersection, __set_difference, set_difference,
1696 __set_symmetric_difference, set_symmetric_difference): Mark constexpr.
1697 * include/bits/stl_algobase.h (__memmove, __memcmp): New maybe constexpr
1698 wrappers around __builtin_memmove and __builtin_memcmp
1700 (__niter_base, __niter_wrap, __copy_m, __copy_move_a, __copy_move_a2,
1701 copy, move, __copy_move_b, __copy_move_backward_a,
1702 __copy_move_backward_a2, copy_backward, move_backward, __fill_a, fill,
1703 __fill_n_a, fill_n, equal, __lc_rai::__newlast1, __lc_rai::__cnd2,
1704 __lexicographical_compare_impl, __lexicographical_compare,
1705 __lexicographical_compare<true>::__lc, __lexicographical_compare_aux,
1706 __lower_bound, lower_bound, equal, __equal4, lexicographical_compare,
1707 __mismatch, mismatch, __is_heap_until, __is_heap, is_heap_until,
1708 is_heap): Mark constexpr.
1709 * include/bits/stl_heap.h (__is_heap_until, __is_heap, is_heap_until,
1710 is_heap): Mark constexpr.
1711 * include/bits/stl_iterator.h (__niter_base, __miter_base): Mark constexpr.
1712 * include/std/array: Make comparison ops constexpr.
1713 * include/std/utility: Make exchange constexpr.
1714 * include/std/version (__cpp_lib_constexpr_algorithms): New macro.
1715 * testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust.
1716 * testsuite/23_containers/array/tuple_interface/
1717 tuple_element_neg.cc: Adjust.
1718 * testsuite/20_util/exchange/constexpr.cc: New.
1719 * testsuite/23_containers/array/comparison_operators/constexpr.cc: New.
1720 * testsuite/25_algorithms/constexpr_macro.cc: New.
1721 * testsuite/25_algorithms/adjacent_find/constexpr.cc: New.
1722 * testsuite/25_algorithms/all_of/constexpr.cc: New.
1723 * testsuite/25_algorithms/any_of/constexpr.cc: New.
1724 * testsuite/25_algorithms/binary_search/constexpr.cc: New.
1725 * testsuite/25_algorithms/copy/constexpr.cc: New.
1726 * testsuite/25_algorithms/copy_backward/constexpr.cc: New.
1727 * testsuite/25_algorithms/copy_if/constexpr.cc: New.
1728 * testsuite/25_algorithms/copy_n/constexpr.cc: New.
1729 * testsuite/25_algorithms/count/constexpr.cc: New.
1730 * testsuite/25_algorithms/count_if/constexpr.cc: New.
1731 * testsuite/25_algorithms/equal/constexpr.cc: New.
1732 * testsuite/25_algorithms/equal_range/constexpr.cc: New.
1733 * testsuite/25_algorithms/fill/constexpr.cc: New.
1734 * testsuite/25_algorithms/fill_n/constexpr.cc: New.
1735 * testsuite/25_algorithms/find/constexpr.cc: New.
1736 * testsuite/25_algorithms/find_end/constexpr.cc: New.
1737 * testsuite/25_algorithms/find_first_of/constexpr.cc: New.
1738 * testsuite/25_algorithms/find_if/constexpr.cc: New.
1739 * testsuite/25_algorithms/find_if_not/constexpr.cc: New.
1740 * testsuite/25_algorithms/for_each/constexpr.cc: New.
1741 * testsuite/25_algorithms/generate/constexpr.cc: New.
1742 * testsuite/25_algorithms/generate_n/constexpr.cc: New.
1743 * testsuite/25_algorithms/is_heap/constexpr.cc: New.
1744 * testsuite/25_algorithms/is_heap_until/constexpr.cc: New.
1745 * testsuite/25_algorithms/is_partitioned/constexpr.cc: New.
1746 * testsuite/25_algorithms/is_permutation/constexpr.cc: New.
1747 * testsuite/25_algorithms/is_sorted/constexpr.cc: New.
1748 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: New.
1749 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: New.
1750 * testsuite/25_algorithms/lower_bound/constexpr.cc: New.
1751 * testsuite/25_algorithms/merge/constexpr.cc: New.
1752 * testsuite/25_algorithms/mismatch/constexpr.cc: New.
1753 * testsuite/25_algorithms/none_of/constexpr.cc: New.
1754 * testsuite/25_algorithms/partition_copy/constexpr.cc: New.
1755 * testsuite/25_algorithms/partition_point/constexpr.cc: New.
1756 * testsuite/25_algorithms/remove/constexpr.cc: New.
1757 * testsuite/25_algorithms/remove_copy/constexpr.cc: New.
1758 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: New.
1759 * testsuite/25_algorithms/remove_if/constexpr.cc: New.
1760 * testsuite/25_algorithms/replace_copy/constexpr.cc: New.
1761 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: New.
1762 * testsuite/25_algorithms/replace_if/constexpr.cc: New.
1763 * testsuite/25_algorithms/reverse_copy/constexpr.cc: New.
1764 * testsuite/25_algorithms/rotate_copy/constexpr.cc: New.
1765 * testsuite/25_algorithms/search/constexpr.cc: New.
1766 * testsuite/25_algorithms/search_n/constexpr.cc: New.
1767 * testsuite/25_algorithms/set_difference/constexpr.cc: New.
1768 * testsuite/25_algorithms/set_intersection/constexpr.cc: New.
1769 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: New.
1770 * testsuite/25_algorithms/set_union/constexpr.cc: New.
1771 * testsuite/25_algorithms/transform/constexpr.cc: New.
1772 * testsuite/25_algorithms/unique/constexpr.cc: New.
1773 * testsuite/25_algorithms/unique_copy/constexpr.cc: New.
1774 * testsuite/25_algorithms/upper_bound/constexpr.cc: New.
1776 2019-07-31 Jonathan Wakely <jwakely@redhat.com>
1778 * include/std/memory (make_obj_using_allocator): Qualify call to
1779 uses_allocator_construction_args.
1781 P0631R4 Math Constants
1782 * include/Makefile.am: Add new header.
1783 * include/Makefile.in: Regenerate.
1784 * include/precompiled/stdc++.h: Include new header.
1785 * include/std/numbers: New header.
1786 * include/std/version (__cpp_lib_math_constants): Define.
1787 * testsuite/26_numerics/numbers/1.cc: New test.
1788 * testsuite/26_numerics/numbers/2.cc: New test.
1789 * testsuite/26_numerics/numbers/3.cc: New test.
1790 * testsuite/26_numerics/numbers/nonfloat_neg.cc: New test.
1792 * include/std/bit: Add Doxygen comments.
1795 * include/bits/unique_ptr.h (unique_ptr::__safe_conversion_up): Remove
1796 constraints on deleter that should only apply to the constructor.
1797 (unique_ptr<T[], D>::__safe_conversion_up): Likewise.
1798 (unique_ptr<T[], D>::unique_ptr(unique_ptr<U, D>&&)): Restore
1799 constraints on deleter here.
1800 * testsuite/20_util/unique_ptr/assign/91308.cc: New test.
1802 2019-07-29 Jonathan Wakely <jwakely@redhat.com>
1805 * libsupc++/cxxabi.h (__gnu_cxx::recursive_init_error): Do not define
1807 * libsupc++/guard_error.cc (__gnu_cxx::recursive_init_error): Define
1809 * testsuite/18_support/51333.cc: New test.
1811 2019-07-28 Gerald Pfeifer <gerald@pfeifer.com>
1813 * doc/xml/manual/documentation_hacking.xml: Fix broken reference
1814 to the Doxygen manual. Avoid a "here" link on the way.
1815 Fix another broken link to Doxygen docblocks.
1817 2019-07-26 Jonathan Wakely <jwakely@redhat.com>
1819 * include/std/bit (__cpp_lib_endian): Define.
1820 * include/std/version (__cpp_lib_endian): Define.
1821 * testsuite/26_numerics/endian/2.cc: New.
1822 * testsuite/26_numerics/endian/3.cc: New.
1823 * testsuite/26_numerics/endian/4.cc: New.
1825 2019-07-26 François Dumont <fdumont@gcc.gnu.org>
1827 * testsuite/util/testsuite_iterators.h
1828 (bidirectional_iterator_wrapper): Fix type comment.
1829 (random_access_iterator_wrapper): Likewise.
1831 2019-07-25 Jonathan Wakely <jwakely@redhat.com>
1833 * include/std/bit (endian): Move definition here as per P1612R1.
1834 * include/std/type_traits (endian): Remove definition from here.
1835 * testsuite/20_util/endian/1.cc: Rename to ...
1836 * testsuite/26_numerics/endian/1.cc: ... here. Adjust header.
1838 2019-07-25 Martin Liska <mliska@suse.cz>
1839 Dominik Infuhr <dominik.infuehr@theobroma-systems.com>
1842 * testsuite/ext/bitmap_allocator/check_delete.cc: Add
1843 -fno-allocation-dce.
1844 * testsuite/ext/bitmap_allocator/check_new.cc: Likewise.
1845 * testsuite/ext/new_allocator/check_delete.cc: Likewise.
1846 * testsuite/ext/new_allocator/check_new.cc: Likewise.
1848 2019-07-22 Jonathan Wakely <jwakely@redhat.com>
1850 * testsuite/26_numerics/bit/bitops.count/*: Rename to ...
1851 * testsuite/26_numerics/bit/bit.count/*: Here.
1853 * include/std/bit (__rotl, __rotr): Change second parameter from
1854 unsigned int to int and handle negative values.
1855 (rotl, rotr): Remove check for __STRICT_ANSI__. Change second
1856 parameter from unsigned int to int. Add nodiscard attribute.
1857 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Rename to ...
1858 * testsuite/26_numerics/bit/bit.rotate/rotl.cc: Here. Test negative
1860 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Rename to ...
1861 * testsuite/26_numerics/bit/bit.rotate/rotr.cc: Here. Test negative
1864 * include/std/bit (__ceil2): Make unrepresentable results undefined,
1865 as per P1355R2. Add debug assertion. Perform one left shift, not two,
1866 so that out of range values cause undefined behaviour. Ensure that
1867 shift will still be undefined if left operand is promoted.
1868 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Replace checks for
1869 unrepresentable values with checks that they are not core constant
1871 * testsuite/26_numerics/bit/bit.pow.two/ceil2_neg.cc: New test.
1873 2019-07-19 François Dumont <fdumont@gcc.gnu.org>
1875 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): Fix
1876 sized deallocation size computation.
1878 2019-07-19 Andreas Schwab <schwab@linux-m68k.org>
1880 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
1882 2019-07-18 François Dumont <fdumont@gcc.gnu.org>
1884 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): New.
1885 (~_Temporary_buffer()): Use latter.
1886 (_Temporary_buffer(_FIterator, size_type)): Likewise.
1888 2019-07-17 Andreas Schwab <schwab@suse.de>
1890 * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
1892 2019-07-16 Jason Merrill <jason@redhat.com>
1894 * include/std/memory (uses_allocator_construction_args): Add parens
1897 2019-07-12 Jonathan Wakely <jwakely@redhat.com>
1899 * testsuite/29_atomics/atomic_float/1.cc: Fix comment.
1901 * include/experimental/string_view (__detail::__idt): Remove.
1902 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1903 Use __type_identity_t instead of __detail::__idt;
1904 * include/std/string_view (__detail::__idt): Remove.
1905 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1906 Use __type_identity_t instead of __detail::__idt;
1907 * include/std/type_traits (__type_identity_t): New alias template.
1909 * doc/xml/manual/status_cxx2020.xml: Update status for atomic_ref
1910 and floating point atomics.
1912 2019-07-11 Jonathan Wakely <jwakely@redhat.com>
1914 * doc/xml/manual/configure.xml: Improve documentation of
1915 --enable-libstdcxx-time option.
1917 * include/bits/atomic_base.h (__atomic_impl): New namespace for
1918 wrappers around atomic built-ins.
1919 (__atomic_float, __atomic_ref): New class templates for use as base
1921 * include/std/atomic (atomic<float>, atomic<double>)
1922 (atomic<long double>): New explicit specializations.
1923 (atomic_ref): New class template.
1924 (__cpp_lib_atomic_ref): Define.
1925 * include/std/version (__cpp_lib_atomic_ref): Define.
1926 * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error.
1927 * testsuite/29_atomics/atomic_float/1.cc: New test.
1928 * testsuite/29_atomics/atomic_float/requirements.cc: New test.
1929 * testsuite/29_atomics/atomic_ref/deduction.cc: New test.
1930 * testsuite/29_atomics/atomic_ref/float.cc: New test.
1931 * testsuite/29_atomics/atomic_ref/generic.cc: New test.
1932 * testsuite/29_atomics/atomic_ref/integral.cc: New test.
1933 * testsuite/29_atomics/atomic_ref/pointer.cc: New test.
1934 * testsuite/29_atomics/atomic_ref/requirements.cc: New test.
1936 2019-07-06 Jonathan Wakely <jwakely@redhat.com>
1938 * include/ext/atomicity.h (__exchange_and_add, __atomic_add): Replace
1939 throw() with _GLIBCXX_NOTHROW.
1940 (__atomic_add_dispatch): Return after performing atomic increment.
1942 2019-07-05 Jonathan Wakely <jwakely@redhat.com>
1944 * include/ext/atomicity.h [_GLIBCXX_ATOMIC_BUILTINS] (__atomic_add)
1945 (__exchange_and_add): Replace static specifier with always_inline
1947 (__exchange_and_add_single, __atomic_add_single): Likewise.
1948 (__exchange_and_add_dispatch, __atomic_add_dispatch): Likewise. Also
1949 combine !__gthread_active_p() and !__GTHREADS branches.
1951 2019-07-03 Jonathan Wakely <jwakely@redhat.com>
1954 * acinclude.m4 (libtool_VERSION): Bump to 6:27:0.
1955 * configure: Regenerate.
1956 * config/abi/pre/gnu.ver (GLIBCXX_3.4.27): Add new version. Export
1958 * testsuite/27_io/filesystem/iterators/91067.cc: New test.
1959 * testsuite/util/testsuite_abi.cc: Add new symbol version.
1961 2019-07-02 Jonathan Wakely <jwakely@redhat.com>
1963 * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_LAUNDER)
1964 (_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED): Use __has_builtin
1965 instead of __is_identifier to detect Clang support.
1967 2019-07-02 Jim Wilson <jimw@sifive.com>
1969 * configure.ac (BUILD_PDF): Also test for doxygen, dot, xsltproc,
1971 * configure: Regenerate.
1973 2019-06-27 Jonathan Wakely <jwakely@redhat.com>
1976 * src/c++17/fs_path.cc (filesystem_error::_Impl): Use a string_view
1977 for the what_arg parameters.
1978 (filesystem_error::filesystem_error): Pass system_error::what() to
1979 the _Impl constructor.
1980 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Ensure that
1981 filesystem_error::what() contains system_error::what().
1983 2019-06-26 Jonathan Wakely <jwakely@redhat.com>
1985 * include/std/charconv (chars_format): Define bitmask type.
1986 * testsuite/20_util/to_chars/chars_format.cc: New test.
1988 * include/bits/fs_path.h (path::__is_encoded_char): Use __is_one_of.
1989 * include/std/bit (_If_is_unsigned_integer_type): Remove.
1990 (_If_is_unsigned_integer): Use __is_unsigned_integer.
1991 (rotl(byte, unsigned), rotr(byte, unsigned), countl_zero(byte))
1992 (countl_one(byte), countr_zero(byte), countr_one(byte))
1993 (popcount(byte), ispow2(byte), ceil2(byte), floor2(byte))
1994 (log2p1(byte)): Remove.
1995 * include/std/charconv (__detail::__is_one_of): Move to <type_traits>.
1996 (__detail::__is_int_to_chars_type): Remove.
1997 (__detail::__integer_to_chars_result_type): Use __is_signed_integer
1998 and __is_unsigned_integer.
1999 * include/std/type_traits (__is_one_of): Move here from <charconv>.
2000 (__is_signed_integer, __is_unsigned_integer): New helpers.
2001 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Remove test for
2003 * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: Likewise.
2004 * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: Likewise.
2005 * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: Likewise.
2006 * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Likewise.
2007 * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
2008 * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
2009 * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
2010 * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
2011 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Likewise.
2012 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Likewise.
2014 2019-06-25 Jonathan Wakely <jwakely@redhat.com>
2016 * include/std/numeric (midpoint(T, T)): Avoid std::abs in constexpr
2019 2019-06-25 Jakub Jelinek <jakub@redhat.com>
2021 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
2022 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
2023 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
2024 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
2026 2019-06-24 Jonathan Wakely <jwakely@redhat.com>
2028 * include/std/numeric (midpoint(T, T)): Change implementation for
2029 floating-point types to avoid incorrect rounding of denormals.
2030 * testsuite/26_numerics/midpoint/floating.cc: Add check for correct
2031 rounding with denormals.
2032 * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line numbers.
2033 * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
2035 * testsuite/18_support/headers/cfloat/values_c++17.cc: New test.
2037 2019-06-20 Jonathan Wakely <jwakely@redhat.com>
2039 * acinclude.m4 (GLIBCXX_ENABLE_DEBUG): Only do debug build for final
2041 * configure: Regenerate.
2043 * include/std/variant (_Variant_storage, _Extra_visit_slot_needed):
2044 Qualify calls to __never_valueless.
2046 * doc/xml/manual/status_cxx2017.xml: Fix outdated reference to
2047 C++17 working draft.
2049 * testsuite/libstdc++-prettyprinters/simple.cc: Use non-palindromic
2050 vector<bool> for test.
2051 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
2053 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
2055 * include/bits/stream_iterator.h (istream_iterator::_M_equal()): Make
2057 (istream_iterator::_M_read()): Do not check stream state before
2058 attempting extraction. Set stream pointer to null when extraction
2060 (operator==(const istream_iterator&, const istream_iterator&)): Change
2061 to be a hidden friend of istream_iterator.
2062 (operator!=(const istream_iterator&, const istream_iterator&)):
2064 (ostream_iterator::ostream_iterator()): Add default constructor.
2065 (ostream_iterator::ostream_iterator(ostream_type*, const C*)): Use
2067 * testsuite/24_iterators/istream_iterator/1.cc: New test.
2068 * testsuite/24_iterators/ostream_iterator/1.cc: New test.
2069 * testsuite/24_iterators/ostream_iterator/70766.cc: Also check
2070 constructor taking a string.
2071 * testsuite/24_iterators/ostream_iterator/requirements/constexpr.cc:
2074 2019-06-19 Michael Weghorn <m.weghorn@posteo.de>
2075 Jonathan Wakely <jwakely@redhat.com>
2078 * python/libstdcxx/v6/printers.py (StdVectorPrinter._iterator): Use
2079 values of type bool for vector<bool> elements.
2080 * testsuite/libstdc++-prettyprinters/simple.cc: Test vector<bool>.
2081 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
2083 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
2085 PR libstdc++/90920 partially revert r263433
2086 * include/bits/stl_algo.h (__rotate): Restore checks for empty ranges.
2087 (rotate): Remove checks.
2088 * testsuite/25_algorithms/rotate/90920.cc: New test.
2090 * include/std/numeric (reduce(Iter, Iter, T, BinOp)): Fix value
2091 category used in invocable check.
2092 (reduce(Iter, Iter, T)): Pass initial value as rvalue.
2093 * testsuite/26_numerics/reduce/2.cc: New test.
2095 2019-06-18 Jonathan Wakely <jwakely@redhat.com>
2097 * include/bits/algorithmfwd.h: Change title of doc group.
2098 * include/bits/stl_algo.h (for_each_n): Add new C++17 algorithm from
2100 * include/bits/stl_numeric.h: Define doc group and add algos to it.
2101 * include/std/numeric (__is_random_access_iter): New internal trait.
2102 (reduce, transform_reduce, exclusive_scan, inclusive_scan)
2103 (transform_exclusive_scan, transform_inclusive_scan): Likewise.
2104 * testsuite/25_algorithms/for_each/for_each_n.cc: New test.
2105 * testsuite/26_numerics/exclusive_scan/1.cc: New test.
2106 * testsuite/26_numerics/inclusive_scan/1.cc: New test.
2107 * testsuite/26_numerics/reduce/1.cc: New test.
2108 * testsuite/26_numerics/transform_exclusive_scan/1.cc: New test.
2109 * testsuite/26_numerics/transform_inclusive_scan/1.cc: New test.
2110 * testsuite/26_numerics/transform_reduce/1.cc: New test.
2111 * testsuite/util/testsuite_iterators.h (test_container::size()): New
2114 * include/c_global/cstddef (std::byte): Perform arithmetic operations
2115 in unsigned int to avoid promotion (LWG 2950).
2117 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
2119 * testsuite/20_util/allocator/1.cc: Add sized delete, which fixes a
2122 * include/c_global/cmath (__lerp, lerp): Add noexcept (LWG 3201).
2124 PR libstdc++/90281 Fix string conversions for filesystem::path
2125 * include/bits/fs_path.h (u8path) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
2126 Use codecvt_utf8_utf16 instead of codecvt_utf8. Use
2127 __str_codecvt_in_all to fail for partial conversions and throw on
2129 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS && _GLIBCXX_USE_CHAR8_T]
2130 (path::_Cvt<char8_t>): Add explicit specialization.
2131 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Remove
2133 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
2134 if-constexpr instead of dispatching to _S_wconvert. Use codecvt
2135 instead of codecvt_utf8. Use __str_codecvt_in_all and
2136 __str_codecvt_out_all.
2137 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
2138 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
2139 (path::_S_str_convert) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
2140 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
2141 with allocator. Use __str_codecvt_out_all. Fallthrough to POSIX code
2142 after converting to UTF-8.
2143 (path::_S_str_convert): Use codecvt instead of codecvt_utf8. Use
2144 __str_codecvt_in_all.
2145 (path::string): Fix initialization of string types with different
2147 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
2148 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
2149 * include/bits/locale_conv.h (__do_str_codecvt): Reorder static and
2151 (__str_codecvt_out_all, __str_codecvt_in_all): New functions that
2152 return false for partial conversions.
2153 * include/experimental/bits/fs_path.h (u8path):
2154 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Implement correctly for mingw.
2155 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Add
2156 missing handling for char8_t. Use codecvt and codecvt_utf8_utf16
2157 instead of codecvt_utf8. Use __str_codecvt_in_all and
2158 __str_codecvt_out_all.
2159 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
2160 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
2161 (path::string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
2162 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
2163 with allocator. Use __str_codecvt_out_all and __str_codecvt_in_all.
2164 (path::string) [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
2165 __str_codecvt_in_all.
2166 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
2167 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
2168 * src/c++17/fs_path.cc (path::_S_convert_loc): Use
2169 __str_codecvt_in_all.
2170 * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
2171 * testsuite/27_io/filesystem/path/construct/90281.cc: New test.
2172 * testsuite/27_io/filesystem/path/factory/u8path.cc: New test.
2173 * testsuite/27_io/filesystem/path/native/string.cc: Test with empty
2174 strings and with Unicode characters outside the basic multilingual
2176 * testsuite/27_io/filesystem/path/native/alloc.cc: New test.
2177 * testsuite/experimental/filesystem/path/construct/90281.cc: New test.
2178 * testsuite/experimental/filesystem/path/factory/u8path.cc: New test.
2179 * testsuite/experimental/filesystem/path/native/alloc.cc: New test.
2180 * testsuite/experimental/filesystem/path/native/string.cc: Test with
2181 empty strings and with Unicode characters outside the basic
2184 2019-06-17 François Dumont <fdumont@gcc.gnu.org>
2185 Jonathan Wakely <jwakely@redhat.com>
2187 * include/bits/hashtable.h (struct _Hashtable::_Scoped_node): New type.
2188 (_Hashtable::_M_insert_unique_node): Add key_type parameter. Don't
2189 deallocate node if insertion fails.
2190 (_Hashtable::_M_insert_multi_node): Likewise.
2191 (_Hashtable::_M_reinsert_node): Pass additional key argument.
2192 (_Hashtable::_M_reinsert_node_multi): Likewise. Remove FIXME.
2193 (_Hashtable::_M_extract_node(size_t, __node_base*)): New function.
2194 (_Hashtable::extract(const_iterator)): Use _M_extract_node.
2195 (_Hashtable::extract(const _Key&)): Likewise.
2196 (_Hashtable::_M_merge_unique): Pass additional key argument.
2197 (_Hashtable::_M_emplace<Args>(true_type, Args&&...)): Likewise. Use
2199 (_Hashtable::_M_insert): Likewise.
2200 * include/bits/hashtable_policy.h (_Map_base::operator[]): Likewise.
2201 (_Hashtable_alloc): Add comments to functions with misleading names.
2203 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
2205 * testsuite/20_util/bad_function_call/what.cc: Include <string> header
2207 * testsuite/20_util/shared_ptr/cons/weak_ptr_expired.cc: Likewise.
2208 * testsuite/20_util/tuple/cons/allocator_with_any.cc: Include <memory>
2209 header for std::allocator.
2210 * testsuite/23_containers/array/tuple_interface/tuple_element.cc: Add
2211 using-declaration for std::size_t.
2212 * testsuite/23_containers/array/tuple_interface/tuple_size.cc:
2214 * testsuite/23_containers/deque/cons/55977.cc: Include <istream> for
2216 * testsuite/23_containers/vector/cons/55977.cc: Likewise.
2217 * testsuite/experimental/map/erasure.cc: Include <string> for
2219 * testsuite/experimental/unordered_map/erasure.cc: Likewise.
2221 2019-06-14 Jonathan Wakely <jwakely@redhat.com>
2223 * include/experimental/type_traits (experimental::nonesuch): Use
2224 pragma to disable -Wctor-dtor-privacy warnings.
2225 * include/std/type_traits (__is_convertible_helper<From, To, false>)
2226 (__is_nt_convertible_helper<From, To, false>, __nonesuch): Likewise.
2228 * include/std/version (__cpp_lib_bind_front): Add missing macro.
2230 2019-06-12 Jonathan Wakely <jwakely@redhat.com>
2232 * include/std/algorithm (__cpp_lib_parallel_algorithm): Fix value.
2233 * include/std/memory (__cpp_lib_parallel_algorithm): Likewise.
2234 * include/std/numeric (__cpp_lib_parallel_algorithm): Likewise.
2235 * testsuite/25_algorithms/pstl/feature_test.cc: New test.
2237 * include/std/variant (get<T>, get<N>, get_if<N>, get_if<T>)
2238 (variant::emplace): Change static_assert messages from "should be"
2240 (hash<monostate>::operator()): Remove name of unused parameter.
2242 * include/std/mutex (scoped_lock::~scoped_lock()): Use fold
2245 * include/Makefile.am: Add new <bits/charconv.h> header.
2246 * include/Makefile.in: Regenerate.
2247 * include/bits/basic_string.h (to_string(int), to_string(unsigned))
2248 (to_string(long), to_string(unsigned long), to_string(long long))
2249 (to_string(unsigned long long)): Rewrite to use __to_chars_10_impl.
2250 * include/bits/charconv.h: New header.
2251 (__detail::__to_chars_len): Move here from <charconv>.
2252 (__detail::__to_chars_10_impl): New function extracted from
2253 __detail::__to_chars_10.
2254 * include/std/charconv (__cpp_lib_to_chars): Add, but comment out.
2255 (__to_chars_unsigned_type): New class template that reuses
2256 __make_unsigned_selector_base::__select to pick a type.
2257 (__unsigned_least_t): Redefine as __to_chars_unsigned_type<T>::type.
2258 (__detail::__to_chars_len): Move to new header.
2259 (__detail::__to_chars_10): Add inline specifier. Move code doing the
2260 output to __detail::__to_chars_10_impl and call that.
2261 * include/std/version (__cpp_lib_to_chars): Add, but comment out.
2262 * testsuite/21_strings/basic_string/numeric_conversions/char/
2263 to_string.cc: Fix reference in comment. Remove unused variable.
2264 * testsuite/21_strings/basic_string/numeric_conversions/char/
2265 to_string_int.cc: New test.
2267 2019-06-09 Edward Smith-Rowland <3dw4rd@verizon.net>
2269 Fix ConstexprIterator requirements tests - No constexpr algorithms!
2270 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
2271 Replace copy with hand-rolled loop.
2272 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
2275 2019-06-08 Edward Smith-Rowland <3dw4rd@verizon.net>
2277 Test for C++20 p0858 - ConstexprIterator requirements.
2278 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
2280 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
2283 2019-06-07 Thomas Rodgers <trodgers@redhat.com>
2285 Rename PSTL macro's consistent with libstdc++ (and llvm upstream
2287 * include/bits/c++config: Rename all macros of the form __PSTL* to
2289 * include/std/algorithm: Likewise.
2290 * include/std/execution: Likewise.
2291 * include/std/numeric: Likewise.
2292 * include/std/memory: Likewise.
2293 * include/pstl/glue_memory_impl.h: Likewise.
2294 * include/pstl/numeric_impl.h: Likewise.
2295 * include/pstl/glue_memory_defs.h: Likewise.
2296 * include/pstl/execution_defs.h: Likewise.
2297 * include/pstl/utils.h: Likewise.
2298 * include/pstl/algorithm_fwd.h: Likewise.
2299 * include/pstl/unseq_backend_simd.h: Likewise.
2300 * include/pstl/glue_execution_defs.h: Likewise.
2301 * include/pstl/algorithm_impl.h: Likewise.
2302 * include/pstl/parallel_impl.h: Likewise.
2303 * include/pstl/memory_impl.h: Likewise.
2304 * include/pstl/glue_numeric_defs.h: Likewise.
2305 * include/pstl/parallel_backend_utils.h: Likewise.
2306 * include/pstl/glue_algorithm_defs.h: Likewise.
2307 * include/pstl/parallel_backend.h: Likewise.
2308 * include/pstl/glue_numeric_impl.h: Likewise.
2309 * include/pstl/parallel_backend_tbb.h: Likewise.
2310 * include/pstl/numeric_fwd.h: Likewise.
2311 * include/pstl/glue_algorithm_impl.h: Likewise.
2312 * include/pstl/execution_impl.h: Likewise.
2313 * include/pstl/pstl_config.h: Likewise.
2314 * testsuite/util/pstl/pstl_test_config.h: Likewise.
2315 * testsuite/util/pstl/test_utils.h: Likewise.
2316 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
2318 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
2320 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
2322 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: Likewise.
2323 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: Likewise.
2324 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: Likewise.
2325 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: Likewise.
2326 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
2328 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: Likewise.
2329 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: Likewise.
2330 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: Likewise.
2331 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: Likewise.
2332 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
2334 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: Likewise.
2335 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: Likewise.
2336 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: Likewise.
2337 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: Likewise.
2338 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
2340 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: Likewise.
2341 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: Likewise.
2342 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
2344 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
2346 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: Likewise.
2347 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
2348 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
2350 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
2352 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
2354 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
2356 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
2358 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
2360 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
2362 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
2364 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
2366 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
2368 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
2370 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: Likewise.
2372 Rename header guards to be consistent with upstream project's
2374 * include/pstl/glue_memory_impl.h: Rename all macros of the form
2375 _PSTL_(.*)_H to _PSTL_\U\1_H.
2376 * include/pstl/numeric_impl.h: Likewise.
2377 * include/pstl/glue_memory_defs.h: Likewise.
2378 * include/pstl/execution_defs.h: Likewise.
2379 * include/pstl/utils.h: Likewise.
2380 * include/pstl/algorithm_fwd.h: Likewise.
2381 * include/pstl/unseq_backend_simd.h: Likewise.
2382 * include/pstl/glue_execution_defs.h: Likewise.
2383 * include/pstl/algorithm_impl.h: Likewise.
2384 * include/pstl/parallel_impl.h: Likewise.
2385 * include/pstl/memory_impl.h: Likewise.
2386 * include/pstl/glue_numeric_defs.h: Likewise.
2387 * include/pstl/parallel_backend_utils.h: Likewise.
2388 * include/pstl/glue_algorithm_defs.h: Likewise.
2389 * include/pstl/parallel_backend.h: Likewise.
2390 * include/pstl/glue_numeric_impl.h: Likewise.
2391 * include/pstl/parallel_backend_tbb.h: Likewise.
2392 * include/pstl/numeric_fwd.h: Likewise.
2393 * include/pstl/glue_algorithm_impl.h: Likewise.
2394 * include/pstl/execution_impl.h: Likewise.
2395 * include/pstl/pstl_config.h: Likewise.
2396 * testsuite/util/pstl/pstl_test_config.h: Likewise.
2398 Synchronize libstdc++ parallel algorithms with upstream
2400 * include/pstl/algorithm_fwd.h: Synchronize with
2401 upstream PSTL project.
2402 * include/pstl/algorithm_impl.h: Likewise.
2403 * include/pstl/execution_defs.h: Likewise.
2404 * include/pstl/execution_impl.h: Likewise.
2405 * include/pstl/glue_algorithm_impl.h: Likewise.
2406 * include/pstl/glue_execution_defs.h: Likewise.
2407 * include/pstl/numeric_fwd.h: Likewise.
2408 * include/pstl/numeric_impl.h: Likewise.
2409 * include/pstl/parallel_backend.h: Likewise.
2410 * include/pstl/pstl_config.h: Likewise.
2411 * include/pstl/unseq_backend_simd.h: Likewise.
2412 * include/pstl/parallel_backend_serial.h: New file.
2413 * include/Makefile.am (pstl_headers): Add
2414 parallel_backend_serial.h.
2415 * include/Makefile.in: Regenerate.
2417 Clean up non-conforming names
2418 * include/pstl/algorithm_impl.h (__parallel_set_union_op):
2419 Uglfiy copy_range1 and copy_range2
2420 (__pattern_walk2_n): Rename local n to __n
2421 * include/pstl/parallel_backend_tbb.h (struct __binary_no_op):
2422 Rename parameter _T to _Tp.
2424 Integrate non-TBB serial backend support
2425 * include/bits/c++config: Adjust TBB detection logic to select serial
2426 PSTL backend if no TBB present.
2427 * testsuite/utils/pstl/test_utils.h: Remove check for
2428 _PSTL_USE_PAR_POLICIES
2430 2019-06-07 Jonathan Wakely <jwakely@redhat.com>
2432 * testsuite/24_iterators/container_access.cc: Move dg-options before
2433 dg-do directive so the target check uses the -std option.
2436 * configure: Regenerate.
2437 * src/Makefile.am (stamp-debug): Also test for missing makefile.
2438 * src/Makefile.in: Regenerate.
2440 2019-06-06 Jonathan Wakely <jwakely@redhat.com>
2442 * include/std/array: Do not include <stdexcept>.
2443 * include/std/optional: Include <exception> and
2444 <bits/exception_defines.h> instead of <stdexcept>.
2445 * testsuite/20_util/function_objects/searchers.cc: Include <cctype>
2447 * testsuite/20_util/tuple/cons/deduction.cc: Include <memory> for
2449 * testsuite/23_containers/map/erasure.cc: Include <string>.
2450 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
2452 * testsuite/23_containers/deque/requirements/dr438/assign_neg.cc: Add
2453 dg-prune-output for different C++98 diagnostic.
2454 * testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc:
2456 * testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc:
2458 * testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
2460 * testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
2462 * testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
2464 * testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc:
2466 * testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
2468 * testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
2470 * testsuite/23_containers/vector/requirements/dr438/
2471 constructor_1_neg.cc: Likewise.
2472 * testsuite/23_containers/vector/requirements/dr438/
2473 constructor_2_neg.cc: Likewise.
2474 * testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
2476 * testsuite/libstdc++-prettyprinters/compat.cc: Do not run for C++98.
2478 * testsuite/23_containers/unordered_map/requirements/debug_container.cc:
2479 Do not test allocator rebinding extension for C++2a.
2480 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
2481 dg-do directive for C++17 and C++2a.
2483 * testsuite/23_containers/deque/requirements/explicit_instantiation/
2484 1_c++0x.cc: Remove redundant test.
2485 * testsuite/23_containers/deque/requirements/explicit_instantiation/
2486 2.cc: Use target selector instead of preprocessor condition.
2487 * testsuite/23_containers/deque/requirements/explicit_instantiation/
2488 3.cc: Do not run test for C++2a.
2489 * testsuite/23_containers/forward_list/requirements/
2490 explicit_instantiation/3.cc: Likewise.
2491 * testsuite/23_containers/forward_list/requirements/
2492 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2494 * testsuite/23_containers/list/requirements/explicit_instantiation/
2495 1_c++0x.cc: Remove redundant test.
2496 * testsuite/23_containers/list/requirements/explicit_instantiation/
2497 2.cc: Use target selector instead of preprocessor condition.
2498 * testsuite/23_containers/list/requirements/explicit_instantiation/
2499 3.cc: Do not run test for C++2a.
2500 * testsuite/23_containers/list/requirements/explicit_instantiation/
2501 5.cc: Do not test allocator rebinding extension for C++2a.
2502 * testsuite/23_containers/map/requirements/explicit_instantiation/
2503 1_c++0x.cc: Remove redundant test.
2504 * testsuite/23_containers/map/requirements/explicit_instantiation/
2505 2.cc: Adjust comment.
2506 * testsuite/23_containers/map/requirements/explicit_instantiation/
2507 3.cc: Do not run test for C++2a.
2508 * testsuite/23_containers/map/requirements/explicit_instantiation/
2509 5.cc: Do not test allocator rebinding extension for C++2a.
2510 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
2511 1_c++0x.cc: Remove redundant test.
2512 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
2513 3.cc: Do not run test for C++2a.
2514 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
2515 5.cc: Do not test allocator rebinding extension for C++2a.
2516 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
2517 3.cc: Do not run test for C++2a.
2518 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
2519 5.cc: Do not test allocator rebinding extension for C++2a.
2520 * testsuite/23_containers/set/requirements/explicit_instantiation/3.cc:
2521 Do not run test for C++2a.
2522 * testsuite/23_containers/set/requirements/explicit_instantiation/
2523 1_c++0x.cc: Remove redundant test.
2524 * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc:
2525 Do not test allocator rebinding extension for C++2a.
2526 * testsuite/23_containers/unordered_map/requirements/
2527 explicit_instantiation/3.cc: Likewise.
2528 * testsuite/23_containers/unordered_map/requirements/
2529 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2531 * testsuite/23_containers/unordered_multimap/requirements/
2532 explicit_instantiation/3.cc: Do not run test for C++2a.
2533 * testsuite/23_containers/unordered_multimap/requirements/
2534 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2536 * testsuite/23_containers/unordered_multiset/requirements/
2537 explicit_instantiation/3.cc: Do not run test for C++2a.
2538 * testsuite/23_containers/unordered_multiset/requirements/
2539 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2541 * testsuite/23_containers/unordered_set/requirements/
2542 explicit_instantiation/3.cc: Do not run test for C++2a.
2543 * testsuite/23_containers/unordered_set/requirements/
2544 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2546 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
2547 2.cc: Remove redundant test.
2548 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
2549 3.cc: Do not run test for C++2a.
2550 * testsuite/23_containers/vector/requirements/explicit_instantiation/
2553 * include/std/type_traits (is_empty, is_polymorphic, is_final)
2554 (is_abstract, is_aggregate): Remove static_assert.
2555 * testsuite/20_util/is_abstract/incomplete_neg.cc: Check for error
2557 * testsuite/20_util/is_aggregate/incomplete_neg.cc: Likewise. Add
2558 missing -std=gnu++17 option.
2559 * testsuite/20_util/is_empty/incomplete_neg.cc: New test.
2560 * testsuite/20_util/is_final/incomplete_neg.cc: New test.
2561 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: Check for error
2564 * testsuite/18_support/set_terminate.cc: Do not run for C++98 mode.
2565 * testsuite/18_support/set_unexpected.cc: Likewise.
2566 * testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
2568 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix constexpr
2569 function to be valid in C++11.
2570 * testsuite/26_numerics/complex/proj.cc: Do not run for C++98 mode.
2571 * testsuite/experimental/names.cc: Do not run for C++98 mode. Do not
2572 include Library Fundamentals or Networking headers in C++11 mode.
2573 * testsuite/ext/char8_t/atomic-1.cc: Do not run for C++98 mode.
2575 * include/std/tuple (_TC): Replace with _TupleConstraints.
2576 (_TupleConstraints): New helper for SFINAE constraints, with more
2577 expressive member functions to reduce duplication when used.
2578 (tuple::_TC2, tuple::_TMC, tuple::_TNTC): Remove.
2579 (tuple::_TCC): Replace dummy type parameter with bool non-type
2580 parameter that can be used to check the pack size.
2581 (tuple::_ImplicitDefaultCtor, tuple::_ExplicitDefaultCtor)
2582 (tuple::_ImplicitCtor, tuple::_ExplicitCtor): New alias templates for
2583 checking constraints in constructors.
2584 (tuple::__valid_args, tuple::_UseOtherCtor, tuple::__use_other_ctor):
2586 (tuple::tuple): Use new helpers to reduce repitition in constraints.
2587 (tuple::tuple(allocator_arg_t, const Alloc&)): Constrain.
2588 (tuple<T1, T2>::_TCC, tuple<T1, T2>::_ImplicitDefaultCtor)
2589 (tuple<T1, T2>::_ExplicitDefaultCtor, tuple<T1, T2>::_ImplicitCtor)
2590 (tuple<T1, T2>::_ExplicitCtor): New alias templates for checking
2591 constraints in constructors.
2592 (tuple::__is_alloc_arg()): New SFINAE helpers.
2593 (tuple<T1, T2>::tuple): Use new helpers to reduce repitition in
2595 (tuple<T1, T2>::tuple(allocator_arg_t, const Alloc&)): Constrain.
2596 * testsuite/20_util/tuple/cons/90700.cc: New test.
2597 * testsuite/20_util/tuple/cons/allocators.cc: Add default constructor
2598 to meet new constraint on allocator-extended default constructor.
2600 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
2602 * include/bits/stl_map.h (map): Disable static assert for C++98 mode.
2603 * include/bits/stl_multimap.h (multimap): Likewise.
2605 2019-06-03 François Dumont <fdumont@gcc.gnu.org>
2607 Rename variables and cleanup comments.
2608 * include/bits/hashtable_policy.h
2609 * include/bits/hashtable.h
2611 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
2613 * doc/xml/manual/status_cxx2020.xml: Add missing row for P0920R2.
2614 Fix bgcolor for P0340R3.
2615 * doc/html/*: Regenerate.
2618 * doc/xml/manual/status_cxx2014.xml: Document what's missing from
2619 <experimental/memory_resource>.
2620 * doc/xml/manual/status_cxx2020.xml: Document status of P1285R0,
2621 P0339R6, P0340R3, P1164R1 and P1357R1.
2622 * doc/html/*: Regenerate.
2624 * doc/xml/manual/status_cxx2020.xml: Document P1463R1 status.
2625 * include/bits/forward_list.h [__cplusplus > 201703]: Enable
2626 allocator::value_type assertion for C++2a.
2627 * include/bits/hashtable.h: Likewise.
2628 * include/bits/stl_deque.h: Likewise.
2629 * include/bits/stl_list.h: Likewise.
2630 * include/bits/stl_map.h: Likewise.
2631 * include/bits/stl_multimap.h: Likewise.
2632 * include/bits/stl_multiset.h: Likewise.
2633 * include/bits/stl_set.h: Likewise.
2634 * include/bits/stl_vector.h: Likewise.
2635 * testsuite/23_containers/deque/48101-3_neg.cc: New test.
2636 * testsuite/23_containers/forward_list/48101-3_neg.cc: New test.
2637 * testsuite/23_containers/list/48101-3_neg.cc: New test.
2638 * testsuite/23_containers/map/48101-3_neg.cc: New test.
2639 * testsuite/23_containers/multimap/48101-3_neg.cc: New test.
2640 * testsuite/23_containers/multiset/48101-3_neg.cc: New test.
2641 * testsuite/23_containers/set/48101-3_neg.cc: New test.
2642 * testsuite/23_containers/unordered_map/48101-3_neg.cc: New test.
2643 * testsuite/23_containers/unordered_multimap/48101-3_neg.cc: New test.
2644 * testsuite/23_containers/unordered_multiset/48101-3_neg.cc: New test.
2645 * testsuite/23_containers/unordered_set/48101-3_neg.cc: New test.
2646 * testsuite/23_containers/vector/48101-3_neg.cc: New test.
2648 2019-05-31 Gerald Pfeifer <gerald@pfeifer.com>
2650 * doc/xml/manual/allocator.xml: Move hoard.org back to http.
2652 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2654 * include/std/tuple (tuple<>): Add noexcept to allocator-extended
2656 (tuple<T1, T2>::__nothrow_default_constructible()): New helper
2658 (tuple<T1, T2>::tuple(), explicit tuple<T1, T2>::tuple()): Use helper.
2660 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2662 * src/c++98/bitmap_allocator.cc: Add using-declaration for size_t.
2665 * libsupc++/eh_term_handler.cc: Include eh_term_handler.h to get
2666 definition of _GLIBCXX_DEFAULT_TERM_HANDLER.
2667 * libsupc++/eh_term_handler.h: New header defining
2668 _GLIBCXX_DEFAULT_TERM_HANDLER.
2669 * libsupc++/eh_terminate.cc: Include eh_term_handler.h.
2670 (set_terminate): Restore default handler when argument is null.
2671 (set_unexpected): Likewise.
2672 * testsuite/18_support/set_terminate.cc: New test.
2673 * testsuite/18_support/set_unexpected.cc: New test.
2675 * include/backward/hashtable.h (size_t, ptrdiff_t)
2676 (forward_iterator_tag, input_iterator_tag, _Construct, _Destroy)
2677 (distance, vector, pair, __iterator_category): Remove
2678 using-declarations that add these names to namespace __gnu_cxx.
2679 * include/ext/bitmap_allocator.h (size_t, ptrdiff_t): Likewise.
2680 * include/ext/debug_allocator.h (size_t): Likewise.
2681 * include/ext/functional (size_t, unary_function, binary_function)
2682 (mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t, const_mem_fun1_ref_t):
2684 * include/ext/malloc_allocator.h (size_t, ptrdiff_t): Likewise.
2685 * include/ext/memory (ptrdiff_t, pair, __iterator_category): Likewise.
2686 * include/ext/mt_allocator.h (size_t, ptrdiff_t): Likewise.
2687 * include/ext/new_allocator.h (size_t, ptrdiff_t): Likewise.
2688 * include/ext/numeric (iota): Fix outdated comment.
2689 * include/ext/pool_allocator.h (size_t, ptrdiff_t): Likewise.
2690 * include/ext/rb_tree (_Rb_tree, allocator): Likewise.
2691 * include/ext/rope (size_t, ptrdiff_t, allocator, _Destroy): Likewise.
2692 * include/ext/ropeimpl.h (size_t, printf, basic_ostream)
2693 (__throw_length_error, _Destroy, std::__uninitialized_fill_n_a):
2695 * include/ext/slist (size_t, ptrdiff_t, _Construct, _Destroy)
2696 (allocator, __true_type, __false_type): Likewise.
2698 2019-05-31 Antony Polukhin <antoshkka@gmail.com>
2701 * include/std/type_traits __type_identity, __is_complete_or_unbounded):
2702 New helpers for checking preconditions in traits.
2703 (is_trivial, is_trivially_copyable, is_standard_layout, is_pod)
2704 (is_literal_type, is_empty, is_polymorphic, is_final, is_abstract)
2705 (is_destructible, is_nothrow_destructible, is_constructible)
2706 (is_default_constructible, is_copy_constructible)
2707 (is_move_constructible, is_nothrow_default_constructible)
2708 (is_nothrow_constructible, is_nothrow_copy_constructible)
2709 (is_nothrow_move_constructible, is_copy_assignable, is_move_assignable)
2710 (is_nothrow_assignable, is_nothrow_copy_assignable)
2711 (is_nothrow_move_assignable, is_trivially_constructible)
2712 (is_trivially_copy_constructible, is_trivially_move_constructible)
2713 is_trivially_assignable, is_trivially_copy_assignable)
2714 (is_trivially_move_assignable, is_trivially_destructible)
2715 (alignment_of, is_swappable, is_nothrow_swappable, is_invocable)
2716 (is_invocable_r, is_nothrow_invocable)
2717 (has_unique_object_representations, is_aggregate): Add static_asserts
2718 to make sure that type traits are not misused with incomplete types.
2719 (__is_constructible_impl, __is_nothrow_default_constructible_impl)
2720 (__is_nothrow_constructible_impl, __is_nothrow_assignable_impl): New
2721 base characteristics without assertions that can be reused in other
2723 * testsuite/20_util/is_complete_or_unbounded/memoization.cc: New test.
2724 * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc: New
2726 * testsuite/20_util/is_complete_or_unbounded/value.cc: New test.
2727 * testsuite/20_util/is_abstract/incomplete_neg.cc: New test.
2728 * testsuite/20_util/is_aggregate/incomplete_neg.cc: New test.
2729 * testsuite/20_util/is_class/value.cc: Check incomplete type.
2730 * testsuite/20_util/is_function/value.cc: Likewise.
2731 * testsuite/20_util/is_move_constructible/incomplete_neg.cc: New test.
2732 * testsuite/20_util/is_nothrow_move_assignable/incomplete_neg.cc: New
2734 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: New test.
2735 * testsuite/20_util/is_reference/value.cc: Check incomplete types.
2736 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
2737 * testsuite/20_util/is_union/value.cc: Likewise.
2738 * testsuite/20_util/is_void/value.cc: Likewise.
2739 * testsuite/util/testsuite_tr1.h: Add incomplete union type.
2741 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2743 * include/bits/random.h (random_device::_M_init(const char*, size_t)):
2744 Add new private member function.
2745 * src/c++11/cow-string-inst.cc (random_device::_M_init(const string&))
2746 (random_device::_M_init_pretr1(const string&)): Call new private
2747 member with string data.
2748 * src/c++11/random.cc (random_device::_M_init(const char*, size_t)):
2750 * testsuite/26_numerics/random/random_device/cons/default-cow.cc: New
2751 test using COW strings.
2752 * testsuite/26_numerics/random/random_device/cons/default.cc: Generate
2753 a value from the device.
2754 * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
2755 Fix typo in token string.
2757 2019-05-30 Nina Dinka Ranns <dinka.ranns@gmail.com>
2759 LWG2788 basic_string spurious use of a default constructible allocator
2760 * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
2761 (basic_string::_M_replace_dispatch): Construct temporary string with
2762 the current allocator.
2763 * testsuite/21_strings/basic_string/allocator/char/lwg2788.cc: New.
2764 * testsuite/21_strings/basic_string/allocator/wchar_t/lwg2788.cc: New.
2766 2019-05-30 Jonathan Wakely <jwakely@redhat.com>
2768 * doc/xml/manual/diagnostics.xml: Update list of headers that define
2770 * doc/xml/manual/support.xml: Rewrite advice around NULL. Rewrite
2771 section about new/delete overloads. Improve section on verbose
2773 * doc/html/*: Regenerate.
2775 * doc/xml/manual/status_cxx2020.xml: Add feature-test macro for
2776 P0811R3. Change status of P1353R0.
2777 * doc/html/*: Regenerate.
2779 * doc/xml/manual/status_cxx2011.xml: Use <variablelist> for
2780 documentation of implementation-defined types for [thread.req.native].
2781 * doc/xml/manual/status_cxx2017.xml: Update documentation of
2782 implementation-defined strings for [variant.bad.access]. Fix typo in
2783 documentation of implementation-defined support for [fs.conform.9945].
2784 * doc/html/*: Regenerate.
2786 2019-05-29 Jonathan Wakely <jwakely@redhat.com>
2789 * testsuite/26_numerics/random/random_device/cons/token.cc: Fix test
2790 that fails on mingw-w64.
2793 * src/c++17/fs_ops.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
2794 (status(const path&, error_code&)): Use parent_path() to remove
2796 (symlink_status(const path&, error_code&)): Duplicate workaround for
2797 bug in _wstat for paths with trailing slash.
2798 * testsuite/27_io/filesystem/operations/remove_all.cc: Check path
2799 with trailing slash.
2800 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
2801 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2803 * src/c++17/fs_path.cc (path::parent_path()): Create whole path at
2804 once instead of building it iteratively.
2806 * testsuite/util/testsuite_api.h: Remove names of unused parameters.
2808 PR libstdc++/85494 use rdseed and rand_s in std::random_device
2809 * acinclude.m4 (GLIBCXX_CHECK_X86_RDSEED): Define macro to check if
2810 the assembler supports rdseed.
2811 * config.h.in: Regenerate.
2812 * configure: Regenerate.
2813 * configure.ac: Use GLIBCXX_CHECK_X86_RDSEED.
2814 * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_CRT_RAND_S): Define.
2815 * doc/html/*: Regenerate.
2816 * doc/xml/manual/status_cxx2011.xml: Document new tokens.
2817 * include/bits/random.h (random_device::random_device()): Always call
2818 _M_init rather than _M_init_pretr1.
2819 (random_device::random_device(const string&)): Likewise.
2820 (random_device::operator()()): Always call _M_getval().
2821 (random_device::_M_file): Replace first member of union with an
2822 anonymous struct, with _M_file as its first member.
2823 * src/c++11/random.cc [_GLIBCXX_X86_RDRAND] (USE_RDRAND): Define.
2824 [_GLIBCXX_X86_RDSEED] (USE_RDSEED): Define.
2825 (USE_MT19937): Define if none of the above are defined.
2826 (USE_POSIX_FILE_IO): Define.
2827 (_M_strtoul): Remove.
2828 [USE_RDSEED] (__x86_rdseed): Define new function.
2829 [_GLIBCXX_USE_CRT_RAND_S] (__winxp_rand_s): Define new function.
2830 (random_device::_M_init(const string&)): Initialize new union members.
2831 Add support for "rdseed" and "rand_s" tokens. Decide what the
2832 "default" token does according to which USE_* macros are defined.
2833 [USE_POSIX_FILE_IO]: Store a file descriptor.
2834 [USE_MT19937]: Forward to _M_init_pretr1 instead.
2835 (random_device::_M_init_pretr1(const string&)) [USE_MT19937]: Inline
2836 code from _M_strtoul.
2837 [!USE_MT19937]: Call _M_init, transforming the old default token or
2838 numeric tokens to "default".
2839 (random_device::_M_fini()) [USE_POSIX_FILE_IO]: Use close not fclose.
2840 (random_device::_M_getval()): Use new union members to obtain a
2841 random number from the stored function pointer or file descriptor.
2842 [USE_MT19937]: Obtain a value from the mt19937 engine.
2843 (random_device::_M_getval_pretr1()): Call _M_getval().
2844 (random_device::_M_getentropy()) [USE_POSIX_FILE_IO]: Use _M_fd
2846 [!USE_MT19937] (mersenne_twister): Do not instantiate when not needed.
2847 * testsuite/26_numerics/random/random_device/85494.cc: New test.
2849 2019-05-28 Jonathan Wakely <jwakely@redhat.com>
2852 * include/experimental/bits/fs_path.h (path::path(path&&)): Only call
2853 _M_split_cmpts() for a path with multiple components.
2854 (path::_S_is_dir_sep()): Add missing 'static' keyword to function.
2855 * src/filesystem/path.cc (path::_M_split_cmpts()): Count number of
2856 components and reserve space in vector. Return early when there is
2858 * testsuite/27_io/filesystem/path/construct/90634.cc: New test.
2859 * testsuite/experimental/filesystem/path/construct/90634.cc: New test.
2861 * testsuite/util/testsuite_fs.h (compare_paths): Use three-argument
2862 form of std::equals for C++11 compatibility.
2864 2019-05-26 Gerald Pfeifer <gerald@pfeifer.com>
2866 * doc/xml/manual/appendix_contributing.xml: Update pointer to
2867 C++ standard at ansi.org.
2869 2019-05-24 Jonathan Wakely <jwakely@redhat.com>
2871 * include/std/numeric (midpoint(T*, T*)): Fix incorrect result.
2872 * testsuite/26_numerics/midpoint/pointer.cc: Change "compile" test
2875 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Fix test.
2876 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused function.
2878 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2880 * testsuite/20_util/function_objects/invoke/1.cc: Move C++17-specific
2882 * testsuite/20_util/function_objects/invoke/3.cc: New test.
2883 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
2884 "compile" test to "run".
2886 * doc/xml/manual/intro.xml: Document LWG DR 2996 change.
2887 * doc/html/*: Regenerate.
2888 * include/bits/shared_ptr.h (shared_ptr(shared_ptr&&, T*)): Add
2889 rvalue aliasing constructor.
2890 (static_pointer_cast, const_pointer, dynamic_pointer_cast)
2891 (reinterpret_pointer_cast): Add overloads taking rvalues.
2892 * include/bits/shared_ptr_base.h (__shared_ptr(__shared_ptr&&, T*)):
2893 Add rvalue aliasing constructor.
2894 * testsuite/20_util/shared_ptr/casts/1.cc: Change "compile" test to
2895 "run" and check return values as well as types.
2896 * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
2897 * testsuite/20_util/shared_ptr/casts/rval.cc: New test.
2898 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: New test.
2899 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused return
2902 * doc/xml/manual/evolution.xml: Document LWG DR 2921 change.
2903 * doc/xml/manual/intro.xml: Likewise.
2904 * include/std/future (__create_task_state): Add default arguments
2905 to make providing an allocator optional.
2906 (packaged_task::packaged_task(F&&)): Call __create_task_state directly
2907 instead of delegating to another constructor.
2908 (packaged_task::packaged_task(allocator_arg_t, const A&, ...)): Do not
2909 define allocator-extended constructors for C++17 and later.
2910 * testsuite/30_threads/packaged_task/cons/alloc.cc: Only run test for
2912 * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
2913 * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
2914 * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
2916 2019-05-23 Hans-Peter Nilsson <hp@axis.com>
2918 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
2919 Don't run the libstdc++/83237 part on simulator targets.
2921 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2923 * doc/xml/manual/status_cxx2017.xml: Add feature test macro for
2925 * doc/html/*: Regenerate.
2927 * include/experimental/any (__any_caster): Use RTTI if comparing
2928 addresses fails, to support non-unique addresses in shared libraries.
2929 * include/std/any (__any_caster): Likewise.
2932 * include/experimental/any (__any_caster): Constrain to only be
2933 callable for object types. Use remove_cv_t instead of decay_t.
2934 If the type decays or isn't copy constructible, compare the manager
2935 function to a dummy specialization.
2936 (__any_caster): Add overload constrained for non-object types.
2937 (any::_Manager_internal<_Op>): Add dummy specialization.
2938 * testsuite/experimental/any/misc/any_cast.cc: Test function types
2941 2019-05-22 Jonathan Wakely <jwakely@redhat.com>
2944 * src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
2945 reversed arguments to uninitialized_copy_n.
2946 * testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
2947 is unchanged by copy assignment.
2948 * testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
2949 compare path components.
2952 * include/experimental/memory_resource: Add system header pragma and
2953 do not define anything unless compiled as C++14 or later.
2954 (__resource_adaptor_common::__guaranteed_alignment): Remove.
2955 (__resource_adaptor_imp::do_allocate): If the requested alignment
2956 is a fundamental alignment then either allocate directly from _M_alloc
2957 or call the new _M_allocate function.
2958 (__resource_adaptor_imp::do_deallocate): Likewise for deallocation.
2959 (__resource_adaptor_imp::_M_allocate): New function that uses a copy
2960 of the allocator rebound to a POD type with the specified alignment.
2961 (__resource_adaptor_imp::_M_deallocate): Likewise for deallocation.
2962 * testsuite/experimental/memory_resource/new_delete_resource.cc:
2963 Adjust expected allocation sizes.
2964 * testsuite/experimental/memory_resource/resource_adaptor.cc: Remove
2965 xfail for Solaris x86.
2967 2019-05-21 Thomas Rodgers <trodgers@redhat.com>
2969 LWG 3062 - Unnecessary decay_t in is_execution_policy_v
2970 * include/pstl/execution_defs.h (__enable_if_execution_policy):
2971 Use std::__remove_cvref_t when building with GCC.
2973 2019-05-21 Jonathan Wakely <jwakely@redhat.com>
2976 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2977 Use "additional_flags" to pass -ltbb to v3_target_compile command.
2978 Use check_v3_target_prop_cached to cache the result of the test.
2980 * doc/xml/manual/shared_ptr.xml: Fix names of lock policy constants.
2982 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2985 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2986 Changed v3_target_compile check from preprocess to executable.
2987 Added "-ltbb" to v3_target_compile flags.
2989 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2991 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2992 Add check for Thread Building Blocks 2018 or later.
2994 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2996 * testsuite/experimental/names.cc: Only include Networking TS headers
2997 on targets with the necessary Gthreads support.
2999 2019-05-20 Marek Polacek <polacek@redhat.com>
3001 CWG 2094 - volatile scalars are trivially copyable.
3003 * testsuite/20_util/is_trivially_copyable/value.cc: Change the expected
3004 result for volatile int.
3006 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
3008 * testsuite/17_intro/names.cc: Do not check 'ptr' on Solaris.
3009 * testsuite/experimental/names.cc: Include <experimental/filesystem>
3012 PR c++/90532 Ensure __is_constructible(T[]) is false
3013 * include/std/type_traits (__do_is_default_constructible_impl)
3014 (__is_default_constructible_atom, __is_default_constructible_safe):
3016 (is_default_constructible): Use is_constructible.
3017 * testsuite/20_util/is_constructible/value.cc: Check int[] case.
3018 * testsuite/20_util/is_default_constructible/value.cc: Likewise.
3019 * testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
3020 * testsuite/20_util/is_trivially_default_constructible/value.cc:
3023 2019-05-20 Pádraig Brady <pbrady@fb.com>
3025 * libstdc++-v3/include/ext/new_allocator.h (deallocate): Pass the size
3026 to the deallocator with -fsized-deallocation.
3028 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
3030 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
3031 test by passing correct alignment to deallocate function.
3033 2019-05-18 Jonathan Wakely <jwakely@redhat.com>
3036 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
3037 Raise exception if unique_ptr tuple member has unknown structure.
3038 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
3039 Adjust worker to support new __uniq_ptr_data base class. Do not
3040 assume field called _M_head_impl is the first tuple element.
3042 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
3044 * include/bits/stl_deque.h
3045 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
3046 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
3047 (_Deque_base::_Deque_impl_data): New.
3048 (_Deque_base::_Deque_impl): Inherit latter.
3049 (_Deque_base::_Deque_impl::_M_swap_data): Move...
3050 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
3051 (_Deque_base::_Deque_impl()): Add noexcept qualification.
3052 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
3053 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
3054 (deque<>::deque()): Default.
3055 (deque<>::deque(deque&&)): Default.
3056 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
3057 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
3058 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
3059 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
3060 _M_range_initialize.
3061 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
3062 (deque<>::resize(size_type, const value_type&)): Share a single
3064 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
3065 _M_range_insert_aux.
3066 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
3067 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
3068 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
3069 * testsuite/23_containers/deque/allocator/default_init.cc: New.
3071 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
3074 * include/std/variant (holds_alternative, get, get_if): Improve
3075 static assertion messages.
3076 (bad_variant_access::bad_variant_access()): Change default message.
3077 (__throw_bad_variant_access(bool)): New overload.
3078 (get): Use new overload.
3079 (visit, visit<R>): Improve exception message.
3081 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
3082 targets. Add more cases from P0608R3.
3083 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
3085 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
3086 * include/experimental/type_traits (is_detected_exact)
3087 (is_detected_exact_v): Likewise.
3088 * include/pstl/execution_defs.h (is_execution_policy)
3089 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
3090 * include/pstl/execution_impl.h (__policy_traits): Likewise.
3091 * testsuite/17_intro/names.cc: Check for more non-reserved names.
3092 * testsuite/experimental/names.cc: New test.
3095 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
3096 assertions from the destructor.
3097 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
3098 Move static_assert for hash function to here.
3099 (_Hash_table_base::_M_equals): Move static_assert for equality
3101 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
3103 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
3104 the value directly instead of calling _S_value.
3105 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
3106 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
3107 _S_key(_Const_Link_type).
3108 * testsuite/23_containers/set/85965.cc: Check construction,
3109 destruction, assignment and size() do not trigger the assertions.
3110 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
3111 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
3113 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
3114 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
3115 * testsuite/23_containers/set/48101_neg.cc: Likewise.
3116 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
3117 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
3118 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
3119 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
3121 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
3122 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
3125 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
3127 * doc/html/*: Regenerate.
3128 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
3129 of decay_t (P0777R1).
3131 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
3133 Move from state of allocators (LWG2593)
3134 * include/bits/stl_deque.h
3135 (_Deque_base(_Deque_base&&, false_type)): Remove.
3136 (_Deque_base(_Deque_base&&, true_type)): Remove.
3137 (_Deque_base(_Deque_base&&)): Adapt.
3138 (_Deque_base::_M_move_impl()): Remove.
3139 * testsuite/util/testsuite_allocator.h
3140 (propagating_allocator(propagating_allocator&&)): Preserve move from
3142 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
3144 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
3146 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
3147 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
3148 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
3150 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
3152 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
3153 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
3155 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
3157 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
3159 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
3161 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
3163 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
3165 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
3167 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
3170 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
3172 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
3173 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
3175 * include/std/variant (__overload_set): Remove.
3177 (_Build_FUN): New class template to define a single FUN overload,
3178 with specializations to prevent unwanted conversions, as per P0608R3.
3179 (_Build_FUNs): New class template to build an overload set of FUN.
3180 (_FUN_type): New alias template to perform overload resolution.
3181 (__accepted_type): Use integer_constant base for failure case. Use
3182 _FUN_type for successful case.
3183 (variant::__accepted_index): Use _Tp instead of _Tp&&.
3184 (variant::variant(_Tp&&)): Likewise.
3185 (variant::operator=(_Tp&&)): Likewise.
3187 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
3188 Replace raw visitation with a runtime check for the valueless state
3189 and a non-raw visitor.
3190 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
3191 (variant::index()): Remove branch.
3192 (variant::swap(variant&)): Use valueless_by_exception() instead of
3193 comparing the index to variant_npos, and add likelihood attribute.
3195 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
3196 (_Hashtable_base::_Equal_hash_code): Define new class template.
3197 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
3200 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
3201 Replace with _M_get non-static member function.
3202 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
3204 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
3205 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
3207 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
3208 _S_get accessors for members in EBO helpers.
3209 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
3210 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
3212 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
3214 (_Hashtable_base::_M_eq()): Remove non-const overload.
3216 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
3218 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
3220 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
3222 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
3225 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3227 * config/os/solaris/solaris2.10: Move to ...
3228 * config/os/solaris: ... this.
3229 * configure.host (os_include_dir): Adapt.
3230 (abi_baseline_pair): Remove Solaris 10 handling.
3231 * config/abi/post/i386-solaris2.10: Remove.
3232 * config/abi/post/sparc-solaris2.10: Remove.
3233 * config/abi/post/i386-solaris2.11: Rename to ...
3234 * config/abi/post/i386-solaris: ... this.
3235 * config/abi/post/sparc-solaris2.11: Rename to ...
3236 * config/abi/post/sparc-solaris: ... this.
3238 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
3241 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
3244 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
3246 * include/std/variant (__visit_with_index): Remove typedef.
3247 (__deduce_visit_result): New tag type.
3248 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
3249 visitation of possibly-valueless variants, forwarding to __do_visit
3250 with the relevant tag type.
3251 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
3252 and make lambda return void.
3253 (__variant_construct): Likewise.
3254 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
3255 __raw_idx_visit and make lambda return void.
3256 (_Multi_array::__untag_result): Add metafunction to check the function
3257 pointer type for a tag type that dictates the kind of visitation.
3258 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
3259 Use decltype(auto) instead of tagged function pointer type.
3260 (__gen_vtable_impl): Remove bool non-type parameter and unused
3261 _Variant_tuple parameter.
3262 (__gen_vtable_impl::__visit_invoke_impl): Remove.
3263 (__gen_vtable_impl::__do_visit_invoke): Remove.
3264 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
3265 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
3266 for the visit<R> case, rather than dispatching to separate functions.
3267 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
3269 (variant::swap): Likewise.
3270 (__do_visit): Replace two non-type template parameters with a single
3271 type parameter, so that the caller must specify the visitor's return
3272 type (or one of the tag types).
3273 (visit): Deduce a return type from the visitor and use the
3274 __deduce_visit_result tag to enforce that all overloads return the
3276 (visit<R>): Call __do_visit<R> with explicit result type.
3277 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
3280 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
3282 nonesuch is insufficiently useless (lwg2996)
3283 * include/std/type_traits (struct __nonesuch): Added private base
3284 class to make __nonesuch not an aggregate and removed deleted default
3286 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
3287 (operator=(const pair&)): Use __nonesuch instead of
3288 __nonesuch_no_braces.
3289 (operator=(pair&&)): Likewise
3290 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
3291 of __nonesuch_no_braces.
3292 (operator=(tuple&&)): Likewise
3293 * include/experimental/type_traits (struct nonesuch): Added private
3294 base class to make nonesuch not an aggregate and removed deleted
3295 default constructor.
3296 * testsuite/20_util/nonesuch/nonesuch.cc: New.
3297 * testsuite/experimental/type_traits/nonesuch.cc: New.
3299 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
3301 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
3302 (_Function_handler): Remove partial specializations for void return
3303 types and pointers to member.
3304 (_Function_handler::_M_manager): Adapt to removal of
3305 _Simple_type_wrapper.
3306 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
3307 * include/std/functional (_Bind_result::__enable_if_void)
3308 (_Bind_result::__disable_if_void): Remove sfinae helpers.
3309 (_Bind_result::__call): Use __invoke_r and remove overloads for void
3311 * include/std/future (__future_base::_Task_state::_M_run)
3312 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
3313 change return type of lambda expressions.
3315 * include/bits/invoke.h (__invoke_r): Define new function implementing
3316 the INVOKE<R> pseudo-function.
3317 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
3318 * testsuite/20_util/function_objects/invoke/2.cc: New test.
3320 * include/std/type_traits (__is_nt_convertible_helper): Define it
3321 unconditionally, not only for C++20.
3322 (__is_nothrow_convertible): Define internal trait for use in C++11.
3323 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
3324 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
3325 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
3326 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
3327 that has nothrow explicit conversion but potentially-throwing implicit
3329 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
3330 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
3331 function to only consider implicit conversions.
3332 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
3334 * include/std/iterator: Include <iosfwd> instead of <istream> and
3337 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
3338 Remove unused, non-standard function.
3340 * include/bits/regex.h (match_results::max_size()): Adjust return
3341 value to account for prefix/suffix/unmatched subs.
3342 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
3343 reset the contained sub matches.
3344 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
3345 function to set result state following a failed match.
3346 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
3347 sub_match states after _M_resize. Use _M_establish_failed_match.
3350 * include/std/thread (thread::_State_impl, thread::_S_make_state):
3351 Replace single _Callable parameter with variadic _Args pack, to
3352 forward them directly to the tuple of decayed copies.
3353 * testsuite/30_threads/thread/cons/69724.cc: New test.
3355 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
3357 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
3358 * include/bits/basic_string.h: (operator=(const basic_string&):
3359 Move allocator decision to assign.
3360 (assign(const basic_string&)): Move allocator decision here.
3361 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
3363 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
3366 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
3368 * testsuite/util/testsuite_allocator.h (memory_resource)
3369 (default_resource_mgr): Fix indentation.
3371 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
3372 Use operator-> to access raw pointer member.
3373 * testsuite/23_containers/vector/59829.cc: Likewise.
3374 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
3375 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
3376 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
3378 (PointerBase, PointerBase_void): Derive from NullablePointer and use
3379 its constructors and equality operators. Change converting
3380 constructors to use operator-> to access private member of the other
3382 (PointerBase_void::operator->()): Add, for access to private member.
3383 (operator-(PointerBase, PointerBase)): Change to hidden friend.
3384 (operator==(PointerBase, PointerBase)): Remove.
3385 (operator!=(PointerBase, PointerBase)): Remove.
3387 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
3388 not assume field called _M_head_impl is the first tuple element.
3389 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
3390 implementation more accurate.
3391 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
3392 empty pointer type and non-empty deleter.
3394 LWG 2899 - Make is_move_constructible correct for unique_ptr
3395 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
3396 move assignment operator.
3397 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
3398 (__uniq_ptr_data): New class template with conditionally deleted
3400 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
3401 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
3402 constructor and move assignment operator as defaulted.
3403 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
3404 __uniq_ptr_impl::release().
3405 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
3406 to __uniq_ptr_impl::reset(pointer).
3407 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
3408 Check for new __uniq_ptr_data type.
3409 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
3411 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
3413 PR libstdc++/90454.cc path construction from void*
3414 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
3415 pointers to void are rejected as well as void.
3416 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
3417 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
3419 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
3421 * doc/xml/manual/policy_data_structures.xml: Comment out stray
3422 <remark> elements. Fix formatting of bibliography references.
3424 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
3426 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
3428 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
3430 Remove Profile Mode, deprecated since 7.1.0
3431 * doc/Makefile.am: Remove XML file for profile mode docs.
3432 * doc/Makefile.in: Regenerate.
3433 * doc/xml/authors.xml: Remove authors of profile mode docs.
3434 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
3436 * doc/xml/manual/debug.xml: Likewise.
3437 * doc/xml/manual/evolution.xml: Document removal of profile mode.
3438 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
3439 * doc/xml/manual/spine.xml: Remove profile mode author credit.
3440 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
3442 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
3444 * doc/html/*: Regenerate.
3445 * include/Makefile.am: Remove profile mode headers.
3446 * include/Makefile.in: Regenerate.
3447 * include/bits/c++config (std::__profile): Remove namespace.
3448 [_GLIBCXX_PROFILE]: Remove checks for macro.
3449 * include/profile/array: Remove.
3450 * include/profile/base.h: Remove.
3451 * include/profile/bitset: Remove.
3452 * include/profile/deque: Remove.
3453 * include/profile/forward_list: Remove.
3454 * include/profile/impl/profiler.h: Remove.
3455 * include/profile/impl/profiler_algos.h: Remove.
3456 * include/profile/impl/profiler_container_size.h: Remove.
3457 * include/profile/impl/profiler_hash_func.h: Remove.
3458 * include/profile/impl/profiler_hashtable_size.h: Remove.
3459 * include/profile/impl/profiler_list_to_slist.h: Remove.
3460 * include/profile/impl/profiler_list_to_vector.h: Remove.
3461 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
3462 * include/profile/impl/profiler_node.h: Remove.
3463 * include/profile/impl/profiler_state.h: Remove.
3464 * include/profile/impl/profiler_trace.h: Remove.
3465 * include/profile/impl/profiler_vector_size.h: Remove.
3466 * include/profile/impl/profiler_vector_to_list.h: Remove.
3467 * include/profile/iterator_tracker.h: Remove.
3468 * include/profile/list: Remove.
3469 * include/profile/map: Remove.
3470 * include/profile/map.h: Remove.
3471 * include/profile/multimap.h: Remove.
3472 * include/profile/multiset.h: Remove.
3473 * include/profile/ordered_base.h: Remove.
3474 * include/profile/set: Remove.
3475 * include/profile/set.h: Remove.
3476 * include/profile/unordered_base.h: Remove.
3477 * include/profile/unordered_map: Remove.
3478 * include/profile/unordered_set: Remove.
3479 * include/profile/vector: Remove.
3480 * scripts/run_doxygen: Do not process profile mode headers.
3481 * testsuite/23_containers/array/element_access/60497.cc: Don't use
3483 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
3484 Remove dg-skip-if for profile mode.
3485 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
3486 preprocessor check for profile mode.
3487 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
3488 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
3490 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
3492 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
3493 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
3494 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
3495 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
3496 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
3498 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
3500 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
3502 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
3504 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
3505 preprocessor check for profile mode.
3506 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
3508 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
3509 Remove dg-skip-if for profile mode.
3510 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
3511 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
3512 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
3513 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
3514 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
3515 * testsuite/Makefile.am: Remove profile_flags variable and
3516 * testsuite/Makefile.am: Remove profile_flags variable and
3517 check-profile target.
3518 * testsuite/Makefile.in: Regenerate.
3519 * testsuite/ext/profile/all.cc: Remove.
3520 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
3521 * testsuite/ext/profile/profiler_algos.cc: Remove.
3522 * testsuite/ext/profile/replace_new.cc: Remove.
3523 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
3524 preprocessor check for profile mode.
3525 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
3526 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
3527 (check_v3_target_normal_mode): Do not check for profile mode macro.
3528 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
3530 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
3531 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
3532 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
3533 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
3534 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
3535 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
3536 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
3537 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
3538 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
3539 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
3541 Remove array_allocator extension, deprecated since 4.9.0
3542 * doc/xml/manual/allocator.xml: Remove documentation for
3544 * doc/xml/manual/evolution.xml: Document array_allocator removal.
3545 * doc/xml/manual/using.xml: Remove header from documentation.
3546 * include/Makefile.am: Remove <ext/array_allocator.h> header.
3547 * include/Makefile.in: Regenerate.
3548 * include/ext/array_allocator.h: Remove.
3549 * include/precompiled/extc++.h: Do not include removed header.
3550 * testsuite/ext/array_allocator/1.cc: Remove.
3551 * testsuite/ext/array_allocator/2.cc: Remove.
3552 * testsuite/ext/array_allocator/26875.cc: Remove.
3553 * testsuite/ext/array_allocator/3.cc: Remove.
3554 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
3555 * testsuite/ext/array_allocator/check_delete.cc: Remove.
3556 * testsuite/ext/array_allocator/check_new.cc: Remove.
3557 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
3558 * testsuite/ext/headers.cc: Do not include removed header.
3560 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
3562 * include/bits/stl_bvector.h
3563 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3565 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3567 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3569 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3571 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3573 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3575 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3577 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
3579 (_Bit_iterator::operator-(difference_type)): Likewise.
3580 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
3581 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
3583 (_Bit_const_iterator::operator-(difference_type)): Likewise.
3584 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
3586 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
3589 * testsuite/util/thread/all.h: Do not use remove_pointer for
3590 std::thread::native_handle_type.
3593 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
3594 (_Variant_storage<true, Types...>::_M_reset()))
3595 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
3596 (__get_storage): Likewise.
3597 (variant): Add noexcept to friend declarations for __get and
3601 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
3602 Use _Require for constraints.
3603 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
3605 (__uniq_ptr_hash): New base class with conditionally-disabled call
3607 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
3608 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
3609 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
3611 * include/bits/shared_ptr.h: Improve docs.
3612 * include/bits/shared_ptr_base.h: Likewise.
3613 * include/bits/stl_uninitialized.h: Likewise.
3614 * include/bits/unique_ptr.h: Likewise.
3615 * libsupc++/new: Likewise.
3617 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
3619 * include/bits/stl_deque.h
3620 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3622 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3624 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3626 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3628 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3630 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3632 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
3634 (_Deque_iterator<>::operator-(difference_type)): Likewise.
3636 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
3639 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
3640 (test01): Reserve for number of insertions to avoid rehash during test.
3641 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
3643 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
3648 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
3650 * include/experimental/bits/fs_path.h: Improve docs.
3651 * include/experimental/bits/net.h: Fix wrong header name in comment.
3652 Do not document implementation details.
3653 * include/experimental/netfwd: Fix doxygen grouping.
3655 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
3657 * include/bits/stl_pair.h: Improve docs.
3658 * include/std/tuple: Likewise.
3660 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
3662 * include/std/chrono: Improve docs.
3663 * include/std/ratio: Do not document implementation details.
3664 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
3666 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
3669 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
3670 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
3671 (__duration_common_type): New helper.
3672 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
3673 __duration_common_type.
3674 (__timepoint_common_type_wrapper): Replace with ...
3675 (__timepoint_common_type): New helper.
3676 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
3677 Use __time_point_common_type.
3678 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
3679 (__common_type_impl): If either argument is transformed by decay,
3680 use the common_type of the decayed types.
3681 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
3682 decayed, use __do_common_type_impl to get the common_type.
3683 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
3684 (__do_member_type_wrapper, __member_type_wrapper)
3685 (__expanded_common_type_wrapper): Remove.
3686 (__common_type_pack, __common_type_fold): New helpers.
3687 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
3688 __member_type_wrapper and __expanded_common_type_wrapper.
3689 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
3690 Test zero-length template argument list.
3691 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
3692 Test single argument cases and argument types that should decay.
3693 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
3694 Adjust expected error.
3695 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
3697 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
3698 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
3699 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
3701 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
3703 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
3705 Make allocator propagation more consistent for
3706 operator+(basic_string) (P1165R1)
3707 * include/bits/basic_string.h
3708 (operator+(basic_string&&, basic_string&&): Changed resulting
3709 allocator to always be the one from the first parameter.
3710 * include/bits/basic_string.tcc
3711 (operator+(const _CharT*, const basic_string&)): Changed
3712 resulting allocator to be SOCCC on the second parameter's allocator.
3713 (operator+(_CharT, const basic_string&)): Likewise.
3714 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
3716 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
3719 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
3721 * include/bits/regex.h: Improve docs.
3722 * include/bits/regex.tcc: Do not document implementation details.
3724 * testsuite/19_diagnostics/error_code/hash.cc: New test.
3726 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
3728 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
3729 Add type printer for container types in std::__debug namespace.
3730 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
3731 (gdb-tests): Use distinct parameters for the type of test and use of
3733 (gdb-test): Check for regex test even if 'whatis' test.
3734 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
3736 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
3737 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
3738 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
3739 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
3740 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
3741 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
3742 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
3744 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
3746 * include/std/system_error (error_category): Fix comment.
3749 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
3750 argument is an empty path.
3751 (absolute(const path&, error_code&)): Use invalid_argument as error
3752 code instead of no_such_file_or_directory.
3753 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
3754 of non-existent paths and empty paths with both overloads of absolute.
3756 * include/std/system_error (error_category, error_code)
3757 (error_condition): Improve docs.
3758 * libsupc++/exception: Add missing @addtogroup Doxygen command.
3759 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
3760 to class documentation. Suppress documentation for implementation
3762 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
3763 Suppress documentation for implementation details.
3765 * include/std/system_error (error_code): Remove friend declaration
3766 for hash<error_code>.
3767 (hash<error_code>::operator()): Use public member functions to access
3769 (hash<error_condition>::operator()): Use address of category, not
3770 its object representation.
3771 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
3772 Use public member functions to access value and category.
3773 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
3775 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
3777 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
3778 * include/bits/hashtable_policy.h
3779 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
3780 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
3781 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
3782 smaller than input value rather than always greater. Preserve
3783 _M_next_resize if called with 0 input. Use __builtin_floorl.
3784 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
3785 elements + number of insertions is greater than _M_next_resize. Start
3786 with 11 buckets if not told otherwise. Use __builtin_floorl.
3787 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
3788 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
3789 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
3790 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
3791 told otherwise. Use __builtin_floorl.
3792 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
3793 to also validate _Power2_rehash_policy.
3794 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
3797 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
3800 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
3804 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
3805 overflow warning with -Wpedantic -Wsystem-headers.
3807 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
3810 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
3811 * include/bits/move.h (swap): Remove extra parentheses.
3813 * include/experimental/bits/lfts_config.h: Improve doc markup.
3814 * include/experimental/optional: Improve docs.
3815 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
3816 (__constexpr_addressof): Remove.
3817 (optional::operator->()): Use std::__addressof().
3818 * include/std/optional (optional::operator->()): Adjust whitespace.
3819 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
3820 that operator-> is still constexpr with overloaded operator&. Change
3821 to compile-only test.
3822 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
3825 * include/bits/shared_ptr.h: Improve docs.
3826 * include/bits/shared_ptr_atomic.h: Likewise.
3827 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
3829 * include/bits/basic_string.h: Fix iterator/index confusion in
3831 * include/bits/range_access.h: Fix Doxygen warnings.
3832 * include/bits/refwrap.h: Do not document implementation details.
3833 (ref, cref): Group docs with reference_wrapper.
3834 * include/std/fstream: Fix Doxygen markup.
3835 * libsupc++/initializer_list (begin, end): Group docs with
3838 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
3840 * include/bits/unique_lock.h: Fix/improve doxygen markup.
3841 * include/std/mutex: Likewise.
3842 * include/std/shared_mutex: Likewise.
3844 * include/bits/fs_dir.h: Fix/improve doxygen markup.
3845 * include/bits/fs_fwd.h: Likewise.
3846 * include/bits/fs_ops.h: Likewise.
3847 * include/bits/fs_path.h: Likewise.
3848 * include/std/filesystem: Likewise.
3850 * include/experimental/bits/net.h: Fix/improve doxygen markup.
3851 * include/experimental/buffer: Likewise.
3852 * include/experimental/executor: Likewise.
3853 * include/experimental/internet: Likewise.
3854 * include/experimental/io_context: Likewise.
3855 * include/experimental/net: Likewise.
3856 * include/experimental/netfwd: Likewise.
3857 * include/experimental/socket: Likewise.
3858 * include/experimental/timer: Likewise.
3860 * doc/doxygen/doxygroups.cc: Move description of experimental group
3862 * include/experimental/algorithm: Add to libfund-ts doc group.
3863 * include/experimental/any: Likewise. Do not document implementation
3865 * include/experimental/array: Add to libfund-ts doc group.
3866 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
3867 for Library Fundamentals.
3868 * include/experimental/chrono: Add to libfund-ts doc group.
3869 * include/experimental/deque: Likewise.
3870 * include/experimental/forward_list: Likewise.
3871 * include/experimental/functional: Likewise.
3872 * include/experimental/iterator: Likewise.
3873 * include/experimental/list: Likewise.
3874 * include/experimental/map: Likewise.
3875 * include/experimental/memory: Likewise.
3876 * include/experimental/memory_resource: Likewise. Improve docs.
3878 * include/experimental/numeric: Add to libfund-ts doc group.
3879 * include/experimental/optional: Likewise.
3880 * include/experimental/propagate_const: Likewise.
3881 * include/experimental/random: Likewise.
3882 * include/experimental/ratio: Likewise.
3883 * include/experimental/regex: Likewise.
3884 * include/experimental/set: Likewise.
3885 * include/experimental/source_location: Likewise.
3886 * include/experimental/string: Likewise.
3887 * include/experimental/string_view: Likewise.
3888 * include/experimental/system_error: Likewise.
3889 * include/experimental/tuple: Likewise.
3890 * include/experimental/type_traits: Likewise.
3891 * include/experimental/unordered_map: Likewise.
3892 * include/experimental/unordered_set: Likewise.
3893 * include/experimental/utility: Likewise.
3894 * include/experimental/vector: Likewise.
3895 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
3896 * testsuite/experimental/array/neg.cc: Adjust dg-error.
3897 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
3899 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
3900 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
3901 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
3902 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
3903 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
3905 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
3906 * include/experimental/bits/fs_fwd.h: Improve docs.
3907 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
3908 * include/experimental/bits/fs_path.h: Likewise.
3909 (path, filesystem_error, u8path): Improve docs.
3910 * include/experimental/filesystem: Link to docs for TS.
3912 * config/allocator/new_allocator_base.h (__allocator_base): Add
3913 workaround for Doxygen bug #6945.
3914 * include/std/memory: Improve docs. Define group for pointer safety.
3915 * include/std/scoped_allocator: Improve docs. Use "undocumented"
3916 conditional to suppress documentation for implementation details.
3918 * include/bits/specfun.h: Improve docs.
3919 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
3922 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
3923 (std::experimental): Add docs.
3924 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
3925 namespace to nothing when generating docs.
3926 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
3927 * include/std/chrono (std::chrono): Likewise.
3928 * include/std/functional (std::placeholders): Likewise.
3929 * include/std/thread (std::this_thread): Likewise.
3931 * include/parallel/settings.h: Fix Doxygen markup.
3933 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
3934 anything unless PB_DS_CLASS_C_DEC is defined.
3935 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
3936 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
3937 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
3938 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
3939 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
3940 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
3941 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
3943 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
3944 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
3945 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
3946 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
3947 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
3948 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
3949 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
3950 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
3951 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
3952 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
3953 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
3955 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
3956 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
3958 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
3961 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
3962 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
3963 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
3966 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3968 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
3969 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
3970 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
3971 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
3972 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
3973 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
3975 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
3976 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
3979 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
3982 * include/std/complex (__complex_proj): Return parameter unchanged.
3983 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
3984 floating-point types to take std::complex arguments.
3985 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
3986 floating-point types.
3987 * testsuite/26_numerics/complex/proj.cc: New test.
3989 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3991 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
3992 to _Lock_policyE[012].
3993 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3995 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
3997 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
3998 macros accidentally left in.
3999 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
4000 unnecessary -lstdc++fs option. Fix test for mingw.
4001 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
4004 2019-04-30 Jakub Jelinek <jakub@redhat.com>
4006 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
4008 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
4010 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
4012 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
4013 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
4016 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
4018 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
4021 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
4022 class template and partial specialization.
4025 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
4027 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
4028 functions to convert a value to an integral type.
4029 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
4030 (fill_n): Convert _Size parameter to an integral type.
4031 * testsuite/25_algorithms/fill_n/87982.cc: New test.
4032 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
4033 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
4034 * testsuite/25_algorithms/generate_n/87982.cc: New test.
4035 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
4036 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
4038 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
4040 Adding noexcept-specification on tuple constructors (LWG 2899)
4041 * libstdc++-v3/include/std/tuple:
4042 (tuple()): Add noexcept-specification.
4043 (tuple(const _Elements&...)): Likewise
4044 (tuple(_UElements&&...)): Likewise
4045 (tuple(const tuple<_UElements...>&)): Likewise
4046 (tuple(tuple<_UElements...>&&)): Likewise
4047 (tuple(const _T1&, const _T2&)): Likewise
4048 (tuple(_U1&&, _U2&&)): Likewise
4049 (tuple(const tuple<_U1, _U2>&): Likewise
4050 (tuple(tuple<_U1, _U2>&&): Likewise
4051 (tuple(const pair<_U1, _U2>&): Likewise
4052 (tuple(pair<_U1, _U2>&&): Likewise
4053 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
4055 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
4058 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
4059 arguments with __restrict.
4061 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
4063 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
4065 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
4067 * include/experimental/bits/fs_path.h
4068 (path::_S_convert_loc<_InputIterator>): Create const std::string to
4069 avoid redundant call to _S_convert_loc with non-const pointers.
4071 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
4072 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
4073 * testsuite/21_strings/basic_string/hash/hash.cc
4074 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
4075 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
4076 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
4078 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
4079 wstring::_M_replace_dispatch with more specific patterns.
4080 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
4081 Create const std::string to avoid redundant call to _S_convert_loc
4082 with non-const pointers.
4083 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
4084 avoid unnecessary basic_string::assign instantiations.
4086 * include/std/memory (__uses_alloc_args): Add string-literal to
4087 static_assert, to match the one in __uses_alloc.
4088 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
4089 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
4090 for recursive uses-allocator construction of nested pairs.
4091 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
4094 2019-04-26 Jakub Jelinek <jakub@redhat.com>
4096 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
4097 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
4098 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
4099 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
4101 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
4102 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
4103 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
4104 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
4105 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
4106 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
4107 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
4109 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
4112 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
4113 * include/std/scoped_allocator [__cplusplus > 201703L]
4114 (scoped_allocator_adaptor::construct): Define in terms of
4115 uses_allocator_construction_args, as per P0591R4.
4116 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
4117 * testsuite/util/testsuite_allocator.h: Remove name of unused
4120 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
4122 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
4123 * doc/html/*: Regenerate.
4125 * include/bits/fs_path.h (operator<, operator<=, operator>)
4126 (operator>=, operator==, operator!=): Make hidden friends, as per
4128 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
4129 string type in test.
4130 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
4132 * include/std/any (any::any(ValueType&&)): Use __and_v.
4133 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
4136 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
4138 * include/std/type_traits (__result_of_memfun): Use remove_reference
4139 instead of __remove_cvref_t and remove redundant is_same check.
4140 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
4142 * include/experimental/string_view (basic_string_view::pointer)
4143 (basic_string_view::reference): Fix to refer to non-const value_type.
4144 * include/bits/basic_string.h (basic_string): Use __sv_check and
4145 __sv_limit instead of basic_string_view::_M_check and
4146 basic_string_view::_M_limit.
4147 * include/std/string_view (__sv_check, __sv_limit): New
4148 helper functions to replace basic_string_view::_M_check and
4149 basic_string_view::_M_limit.
4150 (basic_string_view): Add static assertions to enforce ill-formed
4151 requirement for traits_type::char_type from P1148R0, and to enforce
4152 required properties of char-like types.
4153 (basic_string_view::pointer, basic_string_view::reference): Fix to
4154 refer to non-const value_type.
4155 (basic_string_view::operator[], basic_string_view::at)
4156 (basic_string_view::front, basic_string_view::back)
4157 (basic_string_view::data): Use const_reference and const_pointer
4158 typedefs for return types.
4159 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
4160 (hash<wstring_view>): Fix argument_type typedef.
4161 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
4162 char/1.cc: Fix expected return type of basic_string_view::data().
4163 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
4164 wchar_t/1.cc: Likewise.
4165 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
4166 char/1.cc: Likewise.
4167 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
4168 wchar_t/1.cc: Likewise.
4169 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
4171 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
4172 Check reference and pointer typedefs.
4173 * testsuite/experimental/string_view/requirements/typedefs.cc:
4175 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
4176 Fix expected return type of basic_string_view::data().
4177 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
4179 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
4181 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
4185 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
4186 Avoid a runtime check for types that can never be stored in std::any.
4187 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
4190 PR libstdc++/90220 (partial)
4191 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
4192 not attempt ill-formed static_cast to pointers to non-object types.
4193 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
4196 * testsuite/20_util/variant/run.cc: Catch exception by reference to
4197 prevent -Wcatch-value warning.
4199 * include/std/variant (__variant_construct): Use template parameter
4200 type instead of equivalent decltype-specifier.
4201 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
4202 Replace forward with move.
4203 (_Move_ctor_base<false, Types...>::_M_destructive_move)
4204 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
4205 (_Move_ctor_base<true, Types...>::_M_destructive_move)
4206 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
4207 index after construction succeeds.
4208 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
4209 if-constexpr checks that are always true. Use __remove_cvref_t instead
4210 of remove_reference so that is_nothrow_move_constructible check
4211 doesn't use a const rvalue parameter. In the potentially-throwing case
4212 construct a temporary and move assign it, as per LWG 2904.
4213 (_Move_assign_base<false, Types...>::operator=): Remove redundant
4214 if-constexpr checks that are always true. Use emplace as per LWG 2904.
4215 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
4216 construct a temporary and move assign from it, as per LWG 2904.
4217 * testsuite/20_util/variant/exception_safety.cc: Check that
4218 assignment operators have strong exception safety guarantee.
4220 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
4222 Document PSTL linker flags
4224 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
4226 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
4228 * include/std/variant (__detail::__variant::_Traits): Make
4229 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
4230 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
4232 (__detail::__variant::_Copy_assign_alias): Only depend on
4233 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
4234 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
4235 move assignment operators.
4238 * include/std/variant (variant::__not_self): New helper for the
4239 is_same_v<remove_cvref_t<T>, variant>==false constraints.
4240 (variant::__to_type_impl): Remove.
4241 (variant::__to_type): Add default argument to check pack size, instead
4242 of using __to_type_impl.
4243 (variant::__accepted_type): Add default argument using __not_self.
4244 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
4245 for variant(T&&) constructor constraint.
4246 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
4247 Extract __accepted_type into a named template parameter for reuse in
4248 other constraints and in the exception specification.
4249 (variant::variant(in_place_type_t<T>, Args&&...))
4250 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
4251 (variant::variant(in_place_index_t<T>, Args&&...))
4252 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
4253 (variant::operator=T&&)): Remove redundant && from trait arguments.
4254 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
4255 isn't used for in_place_type or in_place_index arguments.
4257 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
4258 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
4259 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
4261 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4262 Bernd Edlinger <bernd.edlinger@hotmail.de>
4263 Jakub Jelinek <jakub@redhat.com>
4266 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
4267 general-regs-only target attribute for ARM.
4269 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
4272 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
4273 specialization also depend on is_nothrow_move_constructible.
4274 * include/std/variant (__detail::__variant::__never_valueless()):
4275 Only true if the variant would have a move assignment operator.
4276 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
4277 Check __never_valueless<T...>().
4278 (variant::emplace): Only perform non-throwing move assignments
4279 for never-valueless alternatives if the variant has a move assignment
4281 * testsuite/20_util/variant/compile.cc: Check that never-valueless
4282 types can be emplaced into non-assignable variants.
4283 * testsuite/20_util/variant/run.cc: Check that never-valueless types
4284 don't get copied when emplaced into non-assignable variants.
4286 * include/std/variant (__detail::__variant::__ref_cast): Remove
4288 (__detail::__variant::_Uninitialized::_M_get)
4289 (__detail::__variant::__get)
4290 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
4292 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
4294 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
4296 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
4297 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
4298 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
4299 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
4301 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
4303 Delegate PSTL configuration to pstl/pstl_config.h
4305 * include/bits/c++config: Remove explicit PSTL configuration
4306 macros and use definitions from <pstl/pstl_config.h>.
4308 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
4310 Cleanup algorithm implementations
4311 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
4313 (mismatch): Forward execution policy.
4314 (equal): Qualify call to std::equal().
4315 (partial_sort): Forward execution policy.
4316 (inplace_merge): Forward execution policy.
4318 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
4320 Improve implementation of parallel equal()
4321 * include/pstl/algorithm_impl.h
4322 (__internal::__brick_equal): use "4 iterator" version of
4324 (__internal::__brick_equal): use simd for random access
4325 iterators on unsequenced execution policies.
4326 (__internal::__pattern_equal): add "4 iterator" version
4327 (__internal::__pattern_equal): dispatch to simd __brick_equal
4328 for vector-only execution policies.
4329 (__internal::__pattern_equal): dispatch to __parallel_or for
4330 parallel execution policies.
4331 * include/pstl/glue_algorithm_impl.h
4332 (std::equal): dispatch to "4 iterator" version of
4333 __internal::__pattern_equal().
4335 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
4338 * include/bits/forward_list.h (operator==): Do not use operator!= to
4340 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
4341 earlier in the list, so that sort is stable.
4342 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
4343 * testsuite/23_containers/forward_list/comparable.cc: Test with
4344 types that meet the minimum EqualityComparable and LessThanComparable
4345 requirements. Remove irrelevant comment.
4347 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
4348 Do not depend on whether all alternative types are move constructible.
4349 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
4350 from the operand when deciding whether to perform the assignment.
4351 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
4352 with deleted move constructor and deleted move assignment operator.
4353 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
4354 behaviour of variants with DeletedMoves as an alternative.
4355 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
4356 (move_ctor, move_assign): Check that moving a variant with a
4357 DeletedMoves alternative falls back to copying instead of moving.
4359 * testsuite/20_util/variant/compile.cc: Remove empty string literals
4360 from static_assert declarations.
4362 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
4363 actually match its name.
4364 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
4365 (test_swap()): Fix result for MoveCtorOnly and check
4366 MoveCtorAndSwapOnly.
4368 * include/std/optional (optional::value_or(U&&) &&): Add missing
4369 constexpr specifier.
4370 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
4371 for disengaged optionals and rvalue optionals.
4372 * testsuite/20_util/optional/observers/4.cc: Likewise.
4374 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
4376 * include/pstl/algorithm_impl.h: Uglify identfiers.
4377 * include/pstl/numeric_impl.h: Uglify identfiers.
4378 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
4380 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
4382 * include/bits/c++config:
4383 Add definition for __PSTL_ASSERT.
4384 Add definition for __PSTL_ASSERT_MSG.
4385 * include/pstl/algorithm_impl.h: Replace use of assert().
4386 * include/pstl/numeric_impl.h: Replace use of assert().
4387 * include/pstl/parallel_backend_tbb.h:
4388 Replace use of assert().
4389 Replace use of __TBB_ASSERT().
4390 * include/pstl/parallel_backend_utils.h: Replace use of assert().
4392 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
4395 * src/c++17/memory_resource.cc
4396 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
4397 needed to allow placing a _Chunk at the end of the buffer.
4398 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
4400 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
4402 * doc/xml/faq.xml: Add information about emergency EH pool.
4403 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
4404 Move outdated information on mt_allocator to a separate section.
4405 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
4406 doesn't affect the default allocator.
4408 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
4412 * testsuite/20_util/variant/89851.cc: New test.
4414 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
4416 * include/std/variant: Adjust whitespace. Add comments.
4417 (_Multi_array): Leave primary template undefined.
4418 (_Multi_array<_Tp>): Define partial specialization for base case of
4420 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
4421 which is always a reference.
4422 (__gen_vtable::_S_apply()): Remove function, inline body into
4423 default member initializer.
4424 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
4426 * include/std/variant (__variant_idx_cookie): Add member type.
4427 (__visitor_result_type): Remove.
4428 (__do_visit): Use invoke_result instead of __visitor_result_type.
4429 * testsuite/20_util/variant/visit.cc: New test.
4432 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
4434 * testsuite/20_util/variant/90008.cc: New test.
4436 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
4438 * include/pstl/algorithm_impl.h: Add namespace qualification.
4439 * include/pstl/execution_defs.h: Add namespace qualification.
4440 * include/pstl/execution_impl.h: Add namespace qualification.
4441 * include/pstl/numeric_impl.h: Add namespace qualification.
4442 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
4443 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
4444 * include/pstl/parallel_backend_utils.h: Include <cassert>.
4446 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
4448 Fix visit<R> for variant.
4449 * include/std/variant (__do_visit): Add a template parameter
4450 for enforcing same return types for visit.
4451 (__gen_vtable_impl): Likewise.
4452 (_S_apply_single_alt): Adjust.
4453 (__visit_invoke_impl): New. Handle casting to void.
4454 (__do_visit_invoke): New. Enforces same return types.
4455 (__do_visit_invoke_r): New. Converts return types.
4456 (__visit_invoke): Adjust.
4457 (__gen_vtable): Add a template parameter for enforcing
4458 same return types for visit.
4459 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
4460 different return types.
4461 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
4462 visitors with different return types don't accidentally
4463 compile with regular visitation.
4465 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
4467 * testsuite/27_io/filesystem/iterators/caching.cc: Add
4468 dg-require-filesystem-ts.
4470 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
4472 * doc/xml/manual/status_cxx2020.xml: Update status.
4473 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
4474 * testsuite/20_util/variant/visit_r.cc: New test.
4476 * include/bits/fs_dir.h (directory_iterator::operator*)
4477 (directory_iterator::operator->): Add noexcept.
4478 (operator==, operator!=): Replace namespace-scope equality operators
4479 for directory iterators with hidden friends.
4482 * config/abi/pre/gnu.ver: Add missing exports.
4483 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
4486 * config/abi/pre/gnu.ver: Export new symbols.
4487 * include/bits/fs_dir.h (recursive_directory_iterator::options())
4488 (recursive_directory_iterator::recursion_pending())
4489 (recursive_directory_iterator::disable_recursion_pending()): Remove
4490 inline definitions. Make noexcept.
4491 (recursive_directory_iterator::depth())
4492 (recursive_directory_iterator::operator*())
4493 (recursive_directory_iterator::operator->()): Make noexcept.
4494 (recursive_directory_iterator::_M_options)
4495 (recursive_directory_iterator::_M_pending): Remove data members.
4496 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
4497 (recursive_directory_iterator::recursive_directory_iterator): Remove
4498 ctor-initializer. Use new constructor for _Dir_stack.
4499 (recursive_directory_iterator::options())
4500 (recursive_directory_iterator::recursion_pending())
4501 (recursive_directory_iterator::disable_recursion_pending()): Add
4502 non-inline definitions.
4503 (recursive_directory_iterator::depth()): Make noexcept.
4504 (recursive_directory_iterator::increment(error_code&))
4505 (recursive_directory_iterator::pop(error_code&)): Adjust to new
4506 location of options and recursion_pending members.
4507 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
4508 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
4509 user-declared move constructor and assignment operator, to make the
4512 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
4513 d_type == DT_UNKNOWN immediately.
4514 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
4516 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
4518 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
4520 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
4521 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
4524 PR libstdc++/87431 (again)
4525 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
4526 Define partial specialization for basic_string.
4527 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
4528 shared_ptr and weak_ptr.
4529 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
4531 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
4533 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
4535 * include/debug/vector (_Never_valueless_alt): Likewise for debug
4537 * include/std/any (_Never_valueless_alt): Define explicit
4538 specialization for any.
4539 * include/std/variant (_Never_valueless_alt): Define primary template.
4540 (__never_valueless): Use _Never_valueless_alt instead of
4541 is_trivially_copyable.
4542 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
4543 initializations to avoid try-catch overhead. Add special case for
4544 scalars produced by potentially-throwing conversions. Use
4545 _Never_valueless_alt instead of is_trivially_copyable for the
4546 remaining strong exception-safety cases.
4547 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
4548 * testsuite/20_util/variant/87431.cc: Run both test functions.
4549 * testsuite/20_util/variant/exception_safety.cc: New test.
4550 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
4551 so the variant becomes valueless.
4553 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
4556 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
4558 (variant::emplace<_Tp>): Return result of emplace<N> directly.
4560 * include/std/string (__hash_string_base): New class template defining
4561 operator() for hashing strings.
4562 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
4563 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
4564 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
4565 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
4567 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
4569 Use single-visitation in variant assignment and swap and relops.
4570 Also use indices instead of types when checking whether
4571 variants hold the same thing.
4572 * include/std/variant (__do_visit): Add a template parameter
4573 for index visitation, invoke with indices if index visitation
4575 (__variant_idx_cookie): New.
4576 (__visit_with_index): Likewise.
4577 (_Copy_assign_base::operator=): Do single-visitation with
4579 (_Move_assign_base::operator=): Likewise.
4580 (_Extra_visit_slot_needed): Adjust.
4581 (__visit_invoke): Call with indices if it's an index visitor.
4582 (relops): Do single-visitation with an index visitor.
4584 (__visitor_result_type): New.
4586 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
4588 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
4590 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
4592 Don't revisit a variant we are already visiting.
4593 * include/std/variant (__variant_construct_single): New.
4594 (__variant_construct): Use it.
4595 (_M_destructive_move): Likewise.
4596 (_M_destructive_copy): Likewise.
4597 (_Copy_assign_base::operator=): Adjust.
4598 (_Move_assign_base::operator=): Likewise.
4601 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
4604 * include/bits/hashtable.h (_Hashtable): Move static assertions to
4605 destructor so they are not evaluated until the _Key type is complete.
4606 * include/bits/stl_tree.h (_Rb_tree): Likewise.
4607 * testsuite/23_containers/set/85965.cc: New test.
4608 * testsuite/23_containers/unordered_set/85965.cc: New test.
4609 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
4610 with regexp matching the corresponding _Rb_tree specialization.
4611 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
4612 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
4613 * testsuite/23_containers/set/48101_neg.cc: Likewise.
4614 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
4615 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
4616 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
4617 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
4619 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
4622 Fix based on a suggestion by Antony Polukhin.
4623 * include/std/variant (__never_valueless): New.
4625 (_Extra_visit_slot_needed): New.
4626 (_Multi_array): Use it.
4627 (_S_apply_all_alts): Likewise.
4629 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
4632 Fix based on a suggestion by Antony Polukhin.
4633 * include/std/variant (__gen_vtable): Don't reserve an
4634 additional table slot, _Multi_array already does that.
4636 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
4639 Fix based on a suggestion by Antony Polukhin.
4640 * include/std/variant (__variant_construct): Capture a pointer
4641 to the storage and visit just one variant.
4643 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
4645 * doc/xml/manual/backwards_compatibility.xml: Remove link to
4646 Doxygen-generated pages with unstable URL.
4647 * doc/xml/manual/concurrency_extensions.xml: Likewise.
4648 * doc/xml/manual/extensions.xml: Likewise.
4649 * doc/xml/manual/parallel_mode.xml: Likewise.
4650 * doc/xml/manual/support.xml: Likewise.
4652 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
4653 avoid -Wconversion warnings.
4655 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
4657 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
4658 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
4659 (allstamped): Add stamp-pstl.
4660 (install-headers): Add ptsl_builddir.
4661 * include/Makefile.in: Regenerate.
4662 * include/bits/c++config: Add pstl configuration.
4663 * include/pstl/LICENSE.txt: New file.
4664 * include/pstl/algorithm_fwd.h: New file.
4665 * include/pstl/algorithm_impl.h: New file.
4666 * include/pstl/execution_defs.h: New file.
4667 * include/pstl/execution_impl.h: New file.
4668 * include/pstl/glue_algorithm_defs.h: New file.
4669 * include/pstl/glue_algorithm_impl.h: New file.
4670 * include/pstl/glue_execution_defs.h: New file.
4671 * include/pstl/glue_memory_defs.h: New file.
4672 * include/pstl/glue_memory_impl.h: New file.
4673 * include/pstl/glue_numeric_defs.h: New file.
4674 * include/pstl/glue_numeric_impl.h: New file.
4675 * include/pstl/memory_impl.h: New file.
4676 * include/pstl/numeric_fwd.h: New file.
4677 * include/pstl/numeric_impl.h: New file.
4678 * include/pstl/parallel_backend.h: New file.
4679 * include/pstl/parallel_backend_tbb.h: New file.
4680 * include/pstl/parallel_backend_utils.h: New file.
4681 * include/pstl/parallel_impl.h: New file.
4682 * include/pstl/pstl_config.h: New file.
4683 * include/pstl/unseq_backend_simd.h: New file.
4684 * include/pstl/utils.h: New file.
4685 * include/std/algorithm: Include parallel algorithm implementations.
4686 * include/std/execution: New file.
4687 * include/std/memory: Include parallel algorithm implementations.
4688 * include/std/numeric: Include parallel algorithm implementations.
4689 * include/std/version: Add parallel algorithms feature test macro.
4690 * testsuite/util/pstl/pstl_test_config.h: New file.
4691 * testsuite/util/pstl/test_utils.h: New file.
4692 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
4693 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
4694 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
4695 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
4696 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
4697 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
4698 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
4699 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
4700 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
4701 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
4702 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
4703 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
4704 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
4705 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
4706 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
4707 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
4708 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
4709 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
4710 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
4711 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
4712 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
4713 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
4714 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
4715 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
4716 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
4717 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
4718 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
4719 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
4720 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
4721 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
4722 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
4723 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
4724 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
4725 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
4726 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
4727 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
4728 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
4729 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
4730 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
4731 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
4732 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
4733 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
4734 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
4735 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
4736 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
4737 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
4738 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
4739 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
4740 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
4741 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
4742 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
4743 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
4744 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
4745 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
4746 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
4747 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
4748 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
4749 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
4750 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
4751 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
4752 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
4753 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
4754 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
4755 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
4756 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
4757 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
4758 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
4759 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
4760 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
4761 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
4762 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
4763 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
4764 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
4765 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
4766 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
4767 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
4768 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
4769 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
4770 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
4771 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
4772 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
4773 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
4774 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
4775 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
4776 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
4777 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
4778 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
4779 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
4780 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
4781 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
4782 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
4783 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
4784 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
4785 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
4786 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
4787 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
4788 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
4789 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
4790 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
4791 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
4792 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
4793 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
4794 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
4795 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
4796 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
4797 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
4799 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
4801 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
4802 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
4803 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
4804 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
4805 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
4806 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
4807 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
4808 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
4809 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
4810 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
4811 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
4812 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
4813 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
4814 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
4815 when the special functions IS is enabled, not for C++17.
4816 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
4818 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
4819 without checks for special functions in C++17.
4820 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
4824 * include/backward/hash_map: Use <> for includes not "".
4825 * include/backward/hash_set: Likewise.
4826 * include/backward/strstream: Likewise.
4827 * include/tr1/bessel_function.tcc: Likewise.
4828 * include/tr1/exp_integral.tcc: Likewise.
4829 * include/tr1/legendre_function.tcc: Likewise.
4830 * include/tr1/modified_bessel_func.tcc: Likewise.
4831 * include/tr1/riemann_zeta.tcc: Likewise.
4833 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
4835 * doc/xml/manual/allocator.xml: Link to table documenting evolution
4836 of extension allocators.
4837 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
4838 Document new headers in 7.2, 8.1 and 9.1 releases.
4839 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
4840 * doc/html/*: Regenerate.
4842 2019-03-12 John David Anglin <dave.anglin@bell.net>
4845 * testsuite/lib/libstdc++.exp: Locate libatomic.
4846 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
4847 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
4849 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
4850 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
4851 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
4852 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
4854 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
4857 * configure.ac: Check for sockatmark.
4858 * crossconfig.m4: Check for sockatmark.
4859 * config.h.in: Regenerate.
4860 * configure: Regenerate.
4861 * include/experimental/internet (address_v4::_S_hton): Rename
4862 overloaded functions to _S_hton_16 and _S_ntoh_16.
4863 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
4864 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
4865 * include/experimental/socket (basic_socket::at_mark): Check
4866 _GLIBCXX_HAVE_SOCKATMARK.
4868 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
4869 const variables instead of macros.
4872 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
4873 Use correct type for len_aligned.
4874 * testsuite/20_util/hash/89629.cc: New test.
4876 2019-03-11 Jakub Jelinek <jakub@redhat.com>
4879 * include/std/atomic (atomic<T>::store, atomic<T>::load,
4880 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
4881 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
4882 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
4883 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
4884 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
4885 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
4886 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
4887 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
4888 memory_order_seq_cst to int.
4890 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
4892 * doc/xml/manual/using.xml: Use link element instead of xref.
4893 * doc/html/*: Regenerate.
4895 * include/bits/fs_path.h (path::format): Add fixed underlying type.
4897 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
4900 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
4901 parameters in deduction guides.
4902 * include/debug/multimap.h (multimap): Likewise.
4903 * include/debug/set.h (multimap): Likewise.
4904 * include/debug/multiset.h (multimap): Likewise.
4905 * include/debug/unordered_map (unordered_map): Likewise.
4906 (unordered_multimap): Likewise.
4907 * include/debug/unordered_set (unordered_set): Likewise.
4908 (unordered_multiset): Likewise.
4911 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
4912 Invalidate all iterators in case of rehash.
4913 (unordered_multimap<>::_M_check_rehashed): Likewise.
4914 * include/debug/unordered_set
4915 (unordered_set<>::_M_check_rehashed): Likewise.
4916 (unordered_multiset<>::_M_check_rehashed): Likewise.
4917 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
4919 2019-03-07 Andreas Schwab <schwab@suse.de>
4921 * config/abi/post/riscv64-linux-gnu: New directory.
4922 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
4924 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
4926 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
4927 compile test to run. Fix typo.
4929 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
4930 * doc/html/*: Regenerate.
4932 P0356R5 Simplified partial function application
4933 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
4934 helpers for bind_front.
4935 (bind_front, __cpp_lib_bind_front): Define.
4936 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
4938 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4940 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
4941 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
4942 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
4943 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
4945 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
4947 PR libstdc++/86655 - std::assoc_legendre should not constrain
4948 the value of m (or x).
4949 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
4950 __sph_legendre): If degree > order Don't throw, return 0.
4951 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
4952 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
4953 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
4954 * testsuite/tr1/5_numerical_facilities/special_functions/
4955 02_assoc_legendre/pr86655.cc: New test.
4956 * testsuite/tr1/5_numerical_facilities/special_functions/
4957 22_sph_legendre/pr86655.cc: New test.
4959 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
4962 Also PR libstdc++/85517
4963 * include/std/variant (__do_visit): New.
4964 (__variant_cast): Likewise.
4965 (__variant_cookie): Likewise.
4966 (__erased_*): Remove.
4967 (_Variant_storage::_S_vtable): Likewise.
4968 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
4969 (_Variant_storage::__M_reset): Adjust.
4970 (__variant_construct): New.
4971 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
4972 __variant_construct.
4973 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
4974 (_Move_ctor_base::__M_destructive_copy): New.
4975 (_Move_ctor_base::__M_destructive_move): Adjust to use
4976 __variant_construct.
4977 (_Copy_assign_base::operator=): Adjust to use __do_visit.
4978 (_Copy_assign_alias): Adjust to check both copy assignment
4979 and copy construction for triviality.
4980 (_Move_assign_base::operator=): Adjust to use __do_visit.
4981 (_Multi_array): Add support for visitors that accept and return
4983 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
4984 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
4985 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
4986 a __variant_cookie temporary for a variant that is valueless and..
4987 (__gen_vtable_impl::__visit_invoke): ..adjust here.
4988 (__gen_vtable::_Array_type): Conditionally make space for
4989 the __variant_cookie visitor case.
4990 (__variant_construct_by_index): New.
4991 (get_if): Adjust to use std::addressof.
4992 (relops): Adjust to use __do_visit.
4993 (variant): Add __variant_cast and __variant_construct_by_index
4995 (variant::emplace): Use _M_reset() and __variant_construct_by_index
4996 instead of self-destruction.
4997 (variant::swap): Adjust to use __do_visit.
4998 (visit): Reimplement in terms of __do_visit.
4999 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
5000 * testsuite/20_util/variant/compile.cc: Adjust.
5001 * testsuite/20_util/variant/run.cc: Likewise.
5003 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
5005 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
5007 * testsuite/experimental/feat-char8_t.cc: Likewise.
5009 * include/std/type_traits [C++20] (is_bounded_array)
5010 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
5012 * testsuite/20_util/is_bounded_array/requirements/
5013 explicit_instantiation.cc: New test.
5014 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
5016 * testsuite/20_util/is_bounded_array/value.cc: New test.
5017 * testsuite/20_util/is_unbounded_array/requirements/
5018 explicit_instantiation.cc: New test.
5019 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
5021 * testsuite/20_util/is_unbounded_array/value.cc: New test.
5023 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
5025 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
5027 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
5029 * include/c_compatibility/math.h [C++20] (lerp): Add using
5031 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
5032 (__lerp): Define function template to implement lerp.
5033 (lerp(float, float, float), lerp(double, double, double))
5034 (lerp(long double, long double, long double)): Define for C++20.
5035 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
5036 (midpoint(T, T), midpoint(T*, T*)): Define.
5037 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
5038 * testsuite/26_numerics/lerp.cc: New test.
5039 * testsuite/26_numerics/midpoint/floating.cc: New test.
5040 * testsuite/26_numerics/midpoint/integral.cc: New test.
5041 * testsuite/26_numerics/midpoint/pointer.cc: New test.
5043 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
5045 PR libstdc++/88996 Implement P0439R0
5046 Make std::memory_order a scoped enumeration.
5047 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
5048 add variables for the old enumerators. Adjust calls.
5049 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
5050 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
5052 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
5054 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
5057 * include/std/memory_resource (polymorphic_allocator): Add default
5058 template argument for C++20.
5059 (polymorphic_allocator::allocate_bytes)
5060 (polymorphic_allocator::deallocate_bytes)
5061 (polymorphic_allocator::allocate_object)
5062 (polymorphic_allocator::deallocate_object)
5063 (polymorphic_allocator::new_object)
5064 (polymorphic_allocator::delete_object): New member functions for
5066 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
5069 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
5072 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
5075 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
5077 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
5078 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
5080 * include/std/memory (uses_allocator_construction_args): New set of
5081 overloaded functions.
5082 (make_obj_using_allocator, uninitialized_construct_using_allocator):
5084 * include/std/memory_resource (polymorphic_allocator::construct)
5085 [__cplusplus > 201703l]: Replace all overloads with a single function
5086 using uses_allocator_construction_args.
5087 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
5089 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
5091 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
5094 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
5095 stylesheet directories before check for xsltproc. Try to use
5096 xmlcatalog to find local stylesheet directory before trying hardcoded
5097 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
5098 check to look for the same stylesheet as doc/Makefile.am uses. Don't
5099 use xsltproc if xmlcatalog fails to find a local stylesheet.
5100 * configure.ac: Check for xmlcatalog.
5101 * Makefile.in: Regenerate.
5102 * configure: Likewise.
5103 * doc/Makefile.in: Likewise.
5104 * include/Makefile.in: Likewise.
5105 * libsupc++/Makefile.in: Likewise.
5106 * po/Makefile.in: Likewise.
5107 * python/Makefile.in: Likewise.
5108 * src/Makefile.in: Likewise.
5109 * src/c++11/Makefile.in: Likewise.
5110 * src/c++17/Makefile.in: Likewise.
5111 * src/c++98/Makefile.in: Likewise.
5112 * src/filesystem/Makefile.in: Likewise.
5113 * testsuite/Makefile.in: Likewise.
5115 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
5118 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
5119 container deduction guides.
5120 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
5121 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
5122 parameters in deduction guides.
5123 * include/bits/stl_multimap.h (multimap): Likewise.
5124 * include/bits/stl_multiset.h (multiset): Likewise.
5125 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
5126 * include/bits/stl_set.h (set): Likewise.
5127 * include/bits/stl_stack.h (stack): Likewise.
5128 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
5129 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
5130 constrain parameters in deduction guides.
5131 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
5133 * testsuite/23_containers/map/cons/deduction.cc: Test additional
5135 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
5136 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
5137 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
5138 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
5140 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
5142 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
5145 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
5146 to class template and partial specialization using void_t.
5147 (__is_copy_insertable, __is_move_insertable): Adjust base class.
5149 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
5152 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
5153 copy and move members public.
5155 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
5157 * include/std/type_traits (__underlying_type_impl): New helper to
5158 make underlying_type SFINAE-friendly.
5159 (underlying_type): Derive from __underlying_type_impl.
5160 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
5164 * include/bits/char_traits.h (__constant_char_array): Check index is
5165 in range before dereferencing.
5166 (char_traits<char>::compare, char_traits<char>::find)
5167 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
5168 immediately if n is zero.
5169 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
5170 Remove workarounds for PR 67026.
5171 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
5173 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
5176 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
5178 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
5179 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
5181 2019-02-22 Jakub Jelinek <jakub@redhat.com>
5184 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
5185 type to std::size_t and argument to type to long double.
5187 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
5189 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
5190 * config/abi/post/sparc64-linux-gnu: New directory.
5191 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
5192 * config/abi/post/sparc64-linux-gnu/32: New directory.
5193 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
5195 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
5197 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
5198 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
5201 2019-02-22 Tom Honermann <tom@honermann.net>
5203 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
5204 printers for u8string and u8string_view.
5206 2019-02-22 Tom Honermann <tom@honermann.net>
5208 * testsuite/18_support/byte/ops.cc: Validate
5209 std::to_integer<char8_t>, std::to_integer<char16_t>, and
5210 std::to_integer<char32_t>.
5211 * testsuite/18_support/numeric_limits/dr559.cc: Validate
5212 std::numeric_limits<char8_t>.
5213 * testsuite/18_support/numeric_limits/lowest.cc: Validate
5214 std::numeric_limits<char8_t>::lowest().
5215 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
5216 std::numeric_limits<char8_t>::max_digits10.
5217 * testsuite/18_support/type_info/fundamental.cc: Validate
5218 typeinfo for char8_t.
5219 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
5220 std::from_chars with char8_t.
5221 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
5222 Validate explicit instantiation of std::hash<char8_t>.
5223 * testsuite/20_util/is_integral/value.cc: Validate
5224 std::is_integral<char8_t>.
5225 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
5226 Validate std::make_signed<char8_t>.
5227 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
5228 Validate u8string construction from char8_t sources.
5229 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
5231 * testsuite/21_strings/basic_string_view/operations/compare/
5232 char/70483.cc: Validate substr operations on u8string_view.
5233 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
5234 the u8string_view typedef is defined.
5235 * testsuite/21_strings/char_traits/requirements/
5236 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
5238 * testsuite/21_strings/char_traits/requirements/
5239 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
5240 constexpr member functions.
5241 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
5242 that the u8string typedef is defined.
5243 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
5244 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
5245 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
5246 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
5248 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
5249 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
5251 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
5252 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
5253 Validate std::atomic<char8_t>::is_always_lock_free
5254 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
5255 Update line numbers.
5256 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
5258 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
5260 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
5261 Validate std::experimental::pmr::u8string.
5262 * testsuite/experimental/string_view/typedefs.cc: Validate that the
5263 u8string_view typedef is defined.
5264 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
5265 char32_t to the typelists.
5267 2019-02-22 Tom Honermann <tom@honermann.net>
5269 * include/ext/typelist.h: Constrain a partial specialization of
5270 typelist::detail::append_ to only match chain<T1,T2>.
5272 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
5275 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
5276 class template with class. Replace move and copy member types with
5277 member alias templates, so they are only instantiated when needed.
5278 (__is_copy_insertable, __is_move_insertable): Adjust base class.
5279 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
5280 test for C++11/14/17 as well.
5281 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
5284 2019-02-20 Jakub Jelinek <jakub@redhat.com>
5287 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
5288 _GLIBCXX_PURE to the alias declaration.
5290 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
5292 * testsuite/21_strings/basic_string/literals/types.cc
5293 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
5294 * testsuite/21_strings/basic_string/literals/values.cc
5295 [_GLIBCXX_USE_CHAR8_T]: Likewise.
5296 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
5297 potentially having different type.
5298 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
5299 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
5301 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
5302 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
5303 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
5304 string literals only using basic character set.
5305 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
5306 u8 literals to char.
5307 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
5308 Test ATOMIC_CHAR8_T_LOCK_FREE.
5309 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
5310 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
5311 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
5312 * testsuite/experimental/string_view/literals/types.cc
5313 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
5315 * testsuite/experimental/string_view/literals/values.cc
5316 [_GLIBCXX_USE_CHAR8_T]: Likewise.
5318 2019-02-19 Tom Honermann <tom@honermann.net>
5320 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
5321 from char16_32_t.cc; validates numeric_limits<char8_t>.
5322 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
5323 test cloned from types.cc; validates operator""s for char8_t
5325 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
5326 test cloned from values.cc; validates construction and comparison
5328 * testsuite/21_strings/basic_string/requirements/
5329 /explicit_instantiation/char8_t/1.cc: New test cloned from
5330 char16_t/1.cc; validates explicit instantiation of
5331 basic_string<char8_t>.
5332 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
5333 New test cloned from types.cc; validates operator""sv for char8_t
5334 returns u8string_view.
5335 * testsuite/21_strings/basic_string_view/literals/
5336 values-char8_t.cc: New test cloned from values.cc; validates
5337 construction and comparison of u8string_view values.
5338 * testsuite/21_strings/basic_string_view/requirements/
5339 explicit_instantiation/char8_t/1.cc: New test cloned from
5340 char16_t/1.cc; validates explicit instantiation of
5341 basic_string_view<char8_t>.
5342 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
5343 New test cloned from char16_t/65049.cc; validates that
5344 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
5345 * testsuite/21_strings/char_traits/requirements/char8_t/
5346 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
5347 that char_traits<char8_t> member typedefs are present and correct.
5348 * testsuite/21_strings/char_traits/requirements/
5349 explicit_instantiation/char8_t/1.cc: New test cloned from
5350 char16_t/1.cc; validates explicit instantiation of
5351 char_traits<char8_t>.
5352 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
5353 from char16_t.cc: validates
5354 codecvt<char16_t, char8_t, mbstate_t>.
5355 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
5356 from char32_t.cc: validates
5357 codecvt<char32_t, char8_t, mbstate_t>.
5358 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
5359 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
5360 codecvt<char32_t, char8_t, std::mbstate_t>.
5361 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
5362 test cloned from string.cc; validates filesystem::path construction
5364 * testsuite/experimental/feat-char8_t.cc: New test; validates that
5365 the __cpp_lib_char8_t feature test macro is defined with the
5367 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
5368 New test cloned from string.cc; validates filesystem::path
5369 construction from char8_t input.
5370 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
5371 test cloned from types.cc; validates operator""sv for char8_t
5372 returns u8string_view.
5373 * testsuite/experimental/string_view/literals/values-char8_t.cc:
5374 New test cloned from values.cc; validates construction and
5375 comparison of u8string_view values.
5376 * testsuite/experimental/string_view/requirements/
5377 explicit_instantiation/char8_t/1.cc: New test cloned from
5378 char16_t/1.cc; validates explicit instantiation of
5379 basic_string_view<char8_t>.
5380 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
5381 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
5384 2019-02-19 Tom Honermann <tom@honermann.net>
5386 P0482R5 char8_t: Standard library support
5387 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
5388 typeinfo symbols for char8_t.
5389 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
5390 (GLIBCXX_3.4.26): Add symbols for specializations of
5391 numeric_limits and codecvt that involve char8_t.
5392 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
5393 * include/bits/atomic_base.h: Add atomic_char8_t.
5394 * include/bits/basic_string.h: Add std::hash<u8string> and
5395 operator""s(const char8_t*, size_t).
5396 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
5398 * include/bits/char_traits.h: Add char_traits<char8_t>.
5399 * include/bits/codecvt.h: Add
5400 codecvt<char16_t, char8_t, mbstate_t>,
5401 codecvt<char32_t, char8_t, mbstate_t>,
5402 codecvt_byname<char16_t, char8_t, mbstate_t>, and
5403 codecvt_byname<char32_t, char8_t, mbstate_t>.
5404 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
5405 recognize char8_t as an integral type.
5406 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
5408 (path::u8string): Return std::u8string when char8_t support is
5410 (path::generic_u8string): Likewise.
5411 (path::_S_convert): Handle conversion from char8_t input.
5412 (path::_S_str_convert): Likewise.
5413 * include/bits/functional_hash.h: Add hash<char8_t>.
5414 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
5416 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
5417 for new char8_t specializations.
5418 * include/bits/localefwd.h: Add missing declarations of
5419 codecvt<char16_t, char, mbstate_t> and
5420 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
5421 codecvt<char16_t, char8_t, mbstate_t> and
5422 codecvt<char32_t, char8_t, mbstate_t>.
5423 * include/bits/postypes.h: Add u8streampos
5424 * include/bits/stringfwd.h: Add declarations of
5425 char_traits<char8_t> and u8string.
5426 * include/c_global/cstddef: Add __byte_operand<char8_t>.
5427 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
5429 (path::u8string): Return std::u8string when char8_t support is
5431 (path::generic_u8string): Likewise.
5432 (path::_S_convert): Handle conversion from char8_t input.
5433 (path::_S_str_convert): Likewise.
5434 * include/experimental/string: Add u8string.
5435 * include/experimental/string_view: Add u8string_view,
5436 hash<experimental::u8string_view>, and
5437 operator""sv(const char8_t*, size_t).
5438 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
5439 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
5440 as a character type.
5441 * include/std/limits: Add numeric_limits<char8_t>.
5442 * include/std/string_view: Add u8string_view,
5443 hash<experimental::u8string_view>, and
5444 operator""sv(const char8_t*, size_t).
5445 * include/std/type_traits: Add __is_integral_helper<char8_t>,
5446 __make_unsigned<char8_t>, and __make_signed<char8_t>.
5447 * libsupc++/atomic_lockfree_defines.h: Define
5448 ATOMIC_CHAR8_T_LOCK_FREE.
5449 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
5450 codecvt.cc and limits.cc so that char8_t specializations of
5451 numeric_limits and codecvt and emitted.
5452 * src/c++11/Makefile.in: Likewise.
5453 * src/c++11/codecvt.cc: Define members of
5454 codecvt<char16_t, char8_t, mbstate_t>,
5455 codecvt<char32_t, char8_t, mbstate_t>,
5456 codecvt_byname<char16_t, char8_t, mbstate_t>, and
5457 codecvt_byname<char32_t, char8_t, mbstate_t>.
5458 * src/c++11/limits.cc: Define members of
5459 numeric_limits<char8_t>.
5460 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
5461 locale_init.cc and localename.cc.
5462 * src/c++98/Makefile.in: Likewise.
5463 * src/c++98/locale_init.cc: Add initialization for the
5464 codecvt<char16_t, char8_t, mbstate_t> and
5465 codecvt<char32_t, char8_t, mbstate_t> facets.
5466 * src/c++98/localename.cc: Likewise.
5467 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
5469 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
5471 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
5472 * 27_io/filesystem/operations/resize_file.cc: Likewise.
5473 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
5475 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
5477 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
5478 * doc/html/*: Regenerate.
5480 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
5481 * doc/html/*: Regenerate.
5483 * doc/xml/manual/intro.xml: Document LWG 2586 status.
5484 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
5485 allocator type in is_constructible checks.
5486 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
5487 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
5488 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
5489 problematic type from LWG 2586 discussion.
5490 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
5491 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
5493 * configure.ac: Check for C11 timespec_get function.
5494 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
5496 * config.h.in: Regenerate.
5497 * configure: Regenerate.
5498 * include/c_global/ctime (timespec, timespec_get): Add to namespace
5499 std for C++17 and up.
5501 * doc/xml/manual/intro.xml: Document LWG 2537 status.
5502 * include/bits/stl_queue.h
5503 (priority_queue(const Compare&, const Container&, const Alloc&))
5504 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
5506 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
5508 * doc/xml/manual/intro.xml: Document LWG 2566 status.
5509 * include/bits/stl_queue.h (queue, priority_queue): Add static
5510 assertions to enforce LWG 2566 requirement on value_type.
5511 * include/bits/stl_stack.h (stack): Likewise.
5514 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
5516 * doc/xml/manual/intro.xml: Document LWG 2735 status.
5517 * include/bits/std_abs.h: Add comment about LWG 2735.
5518 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
5520 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
5523 * include/std/version [__cpp_impl_destroying_delete]
5524 (__cpp_lib_destroying_delete): Only define for C++2a and later.
5525 * libsupc++/new [__cpp_impl_destroying_delete]
5526 (__cpp_lib_destroying_delete): Likewise.
5527 (destroying_delete_t, destroying_delete): Likewise, but define even
5528 when __cpp_impl_destroying_delete is not defined.
5529 * testsuite/18_support/destroying_delete.cc: New test.
5531 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
5534 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
5535 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
5536 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
5537 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
5539 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
5542 * include/bits/fs_path.h (path::has_root_name)
5543 (path::has_root_directory, path::has_root_path)
5544 (path::has_relative_path, path::has_parent_path)
5545 (path::has_filename, path::has_stem, path::has_extension)
5546 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
5548 * src/c++17/fs_path.cc (path::has_root_name)
5549 (path::has_root_directory, path::has_root_path)
5550 (path::has_relative_path, path::has_parent_path)
5551 (path::has_filename, path::_M_find_extension): Add noexcept.
5553 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
5555 PR libstdc++/89102 (partial)
5556 * include/std/type_traits (common_type<>): Define.
5557 (common_type<T>): Derive from common_type<T, T>.
5558 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
5559 Test zero-length template argument list.
5560 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
5561 Test additional single argument cases.
5562 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
5563 Adjust expected error.
5565 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
5568 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
5570 * include/bits/stl_stack.h (stack): Likewise.
5571 * testsuite/23_containers/priority_queue/deduction.cc: New test.
5572 * testsuite/23_containers/queue/deduction.cc: New test.
5573 * testsuite/23_containers/stack/deduction.cc: New test.
5576 * include/std/type_traits (__is_convertible_helper)
5577 (__is_convertible_helper<_From, _To, false>): Revert changes to
5578 support is_nothrow_convertible.
5579 (__is_nt_convertible_helper): New helper.
5580 (is_nothrow_convertible): Use __is_nt_convertible_helper.
5582 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
5583 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
5586 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
5587 __is_alloc_insertable_impl. Replace single type member with two
5588 members, one for each of copy and move insertable.
5589 (__is_move_insertable): New trait for internal use.
5590 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
5591 (vector::_S_nothrow_relocate(true_type)): New functions to
5592 conditionally check if __relocate_a can throw.
5593 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
5594 on __is_move_insertable.
5595 (vector::_S_do_relocate): New overloaded functions to conditionally
5597 (vector::_S_relocate): New function that dispatches to _S_do_relocate
5598 based on _S_use_relocate.
5599 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
5600 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
5601 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
5604 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
5605 parameter unnamed. Add message to static assertion.
5606 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
5607 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
5610 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
5613 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
5615 (__is_bitwise_relocatable): ... to this.
5616 (__relocate_a_1): Adapt.
5617 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
5618 (__is_bitwise_relocatable): ... to this.
5620 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
5623 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
5624 final component as well as from _M_pathname. Append the dot using
5625 operator+= instead of only to _M_pathname.
5626 (path::_M_find_extension): Reformat slightly.
5627 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
5628 Add more test cases.
5630 2019-01-30 Ulrich Drepper <drepper@redhat.com>
5632 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
5634 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
5636 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
5637 constexpr specifiers from arg and proj.
5639 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
5640 __shared_ptr instantiations used by gcc4-compatible ABI.
5642 * include/experimental/forward_list (experimental::erase): Qualify
5644 * include/experimental/list (experimental::erase): Likewise.
5645 * include/std/forward_list (std::erase): Likewise.
5646 * include/std/list (std::erase): Likewise.
5648 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
5650 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
5651 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
5652 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
5653 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
5654 * testsuite/ext/array_allocator/26875.cc: Likewise.
5655 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
5656 * testsuite/util/replacement_memory_operators.h: Likewise.
5657 * testsuite/util/testsuite_allocator.h: Likewise.
5659 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
5660 normal mode vector, even for debug mode.
5661 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
5662 Define alias template for normal mode vector.
5664 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
5667 * config/locale/generic/c_locale.h (__convert_from_v)
5668 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
5669 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
5670 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
5671 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
5673 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
5676 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
5677 data member with static member function _S_use_relocate().
5678 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
5679 (vector::_M_default_append): Use _S_use_relocate() instead of
5682 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
5685 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
5688 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
5689 write to stderr instead of using printf.
5691 2019-01-21 Jakub Jelinek <jakub@redhat.com>
5694 * include/bits/char_traits.h (__constant_string_p,
5695 __constant_char_array_p): Use __builtin_is_constant_evaluated if
5698 2019-01-20 Ulrich Drepper <drepper@redhat.com>
5700 Implement C++20 P0600r1.
5701 * include/backward/hash_map: Add nodiscard attribute to empty.
5702 * include/backward/hash_set: Likewise.
5703 * backward/hashtable.h: Likewise.
5704 * include/bits/basic_string.h: Likewise.
5705 * include/bits/forward_list.h: Likewise.
5706 * include/bits/hashtable.h: Likewise.
5707 * include/bits/regex.h: Likewise.
5708 * include/bits/stl_deque.h: Likewise.
5709 * include/bits/stl_list.h: Likewise.
5710 * include/bits/stl_map.h: Likewise.
5711 * include/bits/stl_multimap.h: Likewise.
5712 * include/bits/stl_multiset.h: Likewise.
5713 * include/bits/stl_queue.h: Likewise.
5714 * include/bits/stl_set.h: Likewise.
5715 * include/bits/stl_stack.h: Likewise.
5716 * include/bits/stl_tree.h: Likewise.
5717 * include/bits/stl_vector.h: Likewise.
5718 * include/bits/unordered_map.h: Likewise.
5719 * include/bits/unordered_set.h: Likewise.
5720 * include/debug/array: Likewise.
5721 * include/experimental/any: Likewise.
5722 * include/experimental/bits/fs_path.h: Likewise.
5723 * include/experimental/internet: Likewise.
5724 * include/experimental/string_view: Likewise.
5725 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
5727 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
5729 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
5731 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
5733 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
5735 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
5737 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
5739 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
5741 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
5742 info_fn_imps.hpp: Likewise.
5743 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
5744 left_child_next_sibling_heap_.hpp: Likewise.
5745 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
5747 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
5749 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
5751 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
5753 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
5755 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
5757 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
5759 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
5760 * include/ext/pb_ds/trie_policy.hpp: Likewise.
5761 * include/ext/rope: Likewise.
5762 * include/ext/slist: Likewise.
5763 * include/ext/vstring.h: Likewise.
5764 * include/profile/array: Likewise.
5765 * include/std/array: Likewise.
5766 * include/tr1/array: Likewise.
5767 * include/tr1/hashtable.h: Likewise.
5768 * include/tr1/regex: Likewise.
5769 * include/tr2/dynamic_bitset: Likewise.
5770 * include/bits/alloc_traits.h: Add nodiscard attribute to
5772 * include/experimental/memory_resource: Likewise.
5773 * include/ext/alloc_traits.h: Likewise.
5774 * include/ext/array_allocator.h: Likewise.
5775 * include/ext/bitmap_allocator.h: Likewise.
5776 * include/ext/debug_allocator.h: Likewise.
5777 * include/ext/extptr_allocator.h: Likewise.
5778 * include/ext/mt_allocator.h: Likewise.
5779 * include/ext/new_allocator.h: Likewise.
5780 * include/ext/pool_allocator.h: Likewise.
5781 * include/ext/throw_allocator.h: Likewise.
5782 * include/std/scoped_allocator: Likewise.
5783 * libsupc++/eh_alloc.cc: Likewise.
5784 * include/std/future: Add nodiscard attribute to async.
5785 * libsupc++/new: Add nodiscard attribute to new.
5787 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
5792 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
5793 * include/bits/shared_ptr.h
5794 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
5795 (allocate_shared): Change to use new tag type.
5796 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
5797 Declare new member function.
5798 (_Sp_alloc_shared_tag): Define new type.
5799 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
5800 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
5801 _Sp_make_shared_tag::_S_eq to check type_info.
5802 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
5803 Constrain to prevent being called with _Sp_alloc_shared_tag.
5804 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
5805 Replace constructor with ...
5806 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
5807 reference parameter so address of the new object can be returned to
5808 the caller. Obtain the allocator from the tag type.
5809 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
5810 constructor with ...
5811 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
5812 to the __shared_count constructor.
5813 (__allocate_shared): Change to use new tag type.
5814 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
5816 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
5818 * src/c++17/fs_ops.cc
5819 (equivalent(const path&, const path&, error_code&))
5820 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
5821 compare files instead of relying on incomplete info returned by stat.
5824 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
5825 if the path is already absolute.
5826 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
5827 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
5830 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
5831 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
5832 of filesystem::exists.
5833 (create_directories(const path&, error_code&)): Add assertions.
5834 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
5835 Add workaround for bug in _wstat for paths with trailing slash.
5836 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
5837 for expected behaviour on mingw.
5838 * testsuite/experimental/filesystem/operations/create_directories.cc:
5840 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
5841 "TMP" instead of "TMPDIR" and clean environment before each test. Do
5842 not test permissions on mingw targets.
5844 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
5846 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
5847 constructors and open members taking wide strings. Fix patterns for
5848 filesystem::path members to match wstring_view parameters. Add
5849 exports for shared_ptr members used by directory iterators.
5850 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
5851 error code parameter if the file doesn't exist.
5852 * src/filesystem/ops.cc (remove(const path&, error_code&)):
5854 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
5855 values for mingw targets, where "/" is not an absolute path. Do not
5856 test symlinks on mingw targets.
5857 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
5858 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
5860 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
5861 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
5862 that each component of the path is created.
5863 * testsuite/experimental/filesystem/operations/create_directories.cc:
5865 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
5866 permissions on mingw targets.
5867 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
5868 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
5869 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
5870 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
5872 * testsuite/experimental/filesystem/operations/permissions.cc:
5874 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
5875 symlinks or permissions on mingw targets.
5876 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
5877 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
5878 symlinks on mingw targets.
5879 * testsuite/experimental/filesystem/operations/remove_all.cc:
5881 * testsuite/27_io/filesystem/operations/status.cc: Do not test
5882 permissions on mingw targets.
5883 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
5884 test symlinks on mingw targets.
5885 * testsuite/experimental/filesystem/operations/space.cc: Fix test
5888 2019-02-14 Ulrich Drepper <drepper@redhat.com>
5891 Warn about unused comparisons of shared_ptr/unique_ptr
5892 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
5893 * include/bits/shared_ptr.h: Use it for operator ==, !=,
5894 <, <=, >, >= for shared_ptr.
5895 * include/bits/unique_ptr.h: Likewise for unique_ptr.
5897 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
5899 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
5900 as 201611L, because P0497R0 changes are supported.
5901 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
5903 * include/bits/erase_if.h [__cplusplus > 201703L]
5904 (__cpp_lib_erase_if): Only define for C++2a.
5905 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5906 (__cpp_lib_null_iterators): Define.
5907 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5908 (__cpp_lib_null_iterators): Define.
5909 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
5911 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
5913 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
5915 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
5916 changes are supported.
5917 * include/std/optional (__cpp_lib_optional): Likewise.
5918 * include/std/variant (__cpp_lib_variant): Likewise.
5919 * include/std/version [!__STRICT_ANSI__]
5920 (__cpp_lib_uncaught_exceptions): Define as long integer.
5921 [__cplusplus >= 201703L] (__cpp_lib_any)
5922 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
5923 (__cpp_lib_variant): Define for C++17.
5924 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
5926 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
5929 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
5931 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
5935 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
5937 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
5940 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5942 * doc/xml/manual/intro.xml: Include new section.
5943 * doc/xml/manual/status_cxx2017.xml: Document more
5944 implementation-defined properties of the library.
5945 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
5946 * doc/html/*: Regenerate.
5948 * include/bits/refwrap.h [__cplusplus > 201703L]
5949 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
5950 (_Reference_wrapper_base_memfun): Do not define for C++2a.
5951 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
5953 (reference_wrapper::operator()): Add static assertion.
5954 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
5956 * include/std/chrono (duration_values::zero(), duration_values::min())
5957 (duration_values::max()): Add noexcept.
5958 (duration::zero(), duration::min(), duration::max()): Likewise.
5959 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
5960 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
5961 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
5963 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
5965 2019-01-11 Jakub Jelinek <jakub@redhat.com>
5967 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
5968 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
5970 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5973 * include/bits/functional_hash.h (hash<nullptr_t>): Define
5974 specialization for C++17 (P0513R0, LWG 2817).
5975 * testsuite/20_util/hash/nullptr.cc: New test.
5978 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
5979 pattern for std::basic_stringbuf::str().
5981 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
5982 basic_ostream::operator<< patterns.
5984 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
5986 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
5987 test failures on targets with 32-bit time_t.
5989 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
5990 * include/std/deque: Likewise.
5991 * include/std/forward_list: Likewise.
5992 * include/std/list: Likewise.
5993 * include/std/string: Likewise.
5994 * include/std/vector: Likewise.
5995 * include/std/version: Likewise.
5996 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
5997 * testsuite/23_containers/deque/erasure.cc: Likewise.
5998 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
5999 * testsuite/23_containers/list/erasure.cc: Likewise.
6000 * testsuite/23_containers/map/erasure.cc: Likewise.
6001 * testsuite/23_containers/set/erasure.cc: Likewise.
6002 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
6003 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
6004 * testsuite/23_containers/vector/erasure.cc: Likewise.
6006 * include/experimental/internet [AI_NUMERICSERV]
6007 (resolver_base::numeric_service): Define conditionally.
6008 * testsuite/experimental/net/internet/resolver/base.cc: Test it
6010 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
6013 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
6014 Jonathan Wakely <jwakely@redhat.com>
6017 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
6018 (GLIBCXX_3.4.26): Add new exports.
6019 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
6020 correct list of sources.
6021 * include/Makefile.in: Regenerate.
6022 * include/std/ostream (operator<<(nullptr_t)): New member function.
6023 * src/c++17/ostream-inst.cc: New file.
6024 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
6027 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
6029 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
6030 of the source file containing the caller.
6031 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
6032 directories created by test.
6033 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
6035 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
6037 * testsuite/experimental/filesystem/iterators/
6038 recursive_directory_iterator.cc: Likewise.
6040 2019-01-10 Jakub Jelinek <jakub@redhat.com>
6042 PR tree-optimization/88775
6043 * include/bits/stl_function.h (greater<_Tp*>::operator(),
6044 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
6045 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
6046 instead of __builtin_constant_p if available. Don't bother with
6047 the pointer comparison in C++11 and earlier.
6049 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
6053 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
6056 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
6058 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
6059 for filesystem::path. Give variables more distinctive names.
6061 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
6062 member function to perform non-trivial assignment.
6063 (_Optional_payload_base::_M_move_assign): Likewise.
6064 (_Optional_payload<T, true, false, true>::operator=)
6065 (_Optional_payload<T, true, true, false>::operator=)
6066 (_Optional_payload<T, true, false, false>::operator=): Call
6067 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
6070 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
6071 test std::complex<long double> if long double format is IBM128.
6072 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
6075 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
6077 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
6078 for old std::unique_ptr layout.
6079 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
6080 to become valueless. Add filesystem::path tests.
6083 * include/std/optional (_Optional_payload_base): New class template
6084 for common code hoisted from _Optional_payload specializations. Use
6085 a template for the union, to allow a partial specialization for
6086 types with non-trivial destructors. Add constructors for in-place
6087 initialization to the union.
6088 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
6089 to perform non-trivial copy construction, instead of relying on
6090 non-standard copy elision in a delegating constructor.
6091 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
6092 non-trivial move construction.
6093 (_Optional_payload): Derive from _Optional_payload_base and use it
6094 for everything except the non-trivial assignment operators, which are
6096 (_Optional_payload<false, C, M>): Derive from the specialization
6097 _Optional_payload<true, false, false> and add a destructor.
6098 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
6099 Forward to corresponding members of _Optional_payload.
6100 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
6101 Hoist common members from _Optional_base.
6102 (_Optional_base): Make all members and base class public.
6103 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
6104 _Optional_base_impl.
6105 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
6106 support for new std::optional layout.
6107 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
6110 * include/bits/locale_conv.h: Use <> for includes not "".
6111 * include/ext/random: Likewise.
6112 * include/ext/vstring.h: Likewise.
6114 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6116 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
6117 (GLIBCXX_3.4.21): Likewise.
6119 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
6122 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
6123 to match the one that controls whether utimbuf and utime are declared.
6125 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
6128 * include/bits/char_traits.h (char_traits::move): Do not pass null
6129 pointers to memmove.
6130 * include/bits/locale_facets.h
6131 (ctype<char>::widen(const char*, const char*, char*)): Do not
6132 pass null pointers to memcpy.
6133 (ctype<char>::narrow(const char*, const char*, char, char*)):
6135 (ctype<char>::do_widen(const char*, const char*, char*)):
6137 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
6140 * doc/xml/manual/spine.xml: Update copyright years.
6141 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
6142 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
6143 for C++17 filesystem library.
6144 * doc/html/*: Regenerate.
6146 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
6147 * config.h.in: Regenerate.
6148 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
6149 alphabetically and add missing entries for copy_symlink,
6150 hard_link_count, rename, and resize_file.
6151 * configure: Regenerate.
6152 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
6153 used unconditionally.
6154 * src/filesystem/ops-common.h (__gnu_posix::truncate)
6155 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
6156 supports truncating to zero length.
6157 * testsuite/27_io/filesystem/operations/all.cc: New test.
6158 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
6160 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
6163 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
6164 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
6165 * config.h.in: Regenerate.
6166 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
6167 remaining std::filesystem types and functions.
6168 * configure: Regenerate.
6169 * src/c++17/Makefile.am: Add C++17 filesystem sources.
6170 * src/c++17/Makefile.in: Regenerate.
6171 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
6172 here, and change name of included file.
6173 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
6174 here, and change name of included file.
6175 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
6176 path to dir-common.h.
6177 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
6178 path to ops-common.h. Disable -Wunused-parameter warnings.
6179 (internal_file_clock): Define unconditionally.
6180 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
6182 (do_copy_file, do_space): Move definitions to ops.common.h.
6183 (copy, file_size, hard_link_count, last_write_time, space): Only
6184 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
6186 (last_write_time, read_symlink): Remove unused attributes from
6188 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
6189 * src/filesystem/Makefile.in: Regenerate.
6190 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
6191 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
6192 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
6193 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
6194 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
6195 dummy types and functions instead of using #error.
6196 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
6197 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
6199 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
6200 (do_copy_file, do_space): Move definitions here from std-ops.cc.
6201 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
6202 to account for new namespace.
6203 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
6204 -lstdc++fs from dg-options.
6205 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
6206 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
6207 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
6208 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
6209 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
6211 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
6212 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
6214 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
6215 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
6216 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
6217 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
6218 * testsuite/27_io/filesystem/operations/create_directories.cc:
6220 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
6221 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
6222 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
6223 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
6224 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
6225 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
6226 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
6227 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
6228 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
6229 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
6230 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
6231 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
6232 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
6233 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
6234 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
6235 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
6236 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
6237 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
6239 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
6243 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
6244 typeinfo and vtables less greedy.
6245 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
6246 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
6247 * src/c++17/Makefile.in: Regenerate.
6248 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
6249 here, and change name of included file.
6250 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
6251 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
6253 * src/filesystem/Makefile.in: Regenerate.
6254 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
6255 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
6256 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
6257 from dg-options and remove dg-require-filesystem-ts.
6258 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
6259 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
6260 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
6261 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
6262 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
6263 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
6264 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
6265 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
6266 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
6267 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
6268 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
6269 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
6270 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
6271 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
6272 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
6273 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
6274 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
6275 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
6276 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
6277 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
6278 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
6280 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
6281 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
6282 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
6283 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
6284 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
6285 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
6286 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
6287 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
6288 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
6289 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
6290 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
6291 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
6293 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
6295 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
6297 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
6299 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
6300 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
6301 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
6302 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
6303 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
6304 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
6305 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
6306 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
6307 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
6308 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
6310 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
6311 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
6312 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
6313 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
6314 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
6317 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
6318 Check is_trivially_copyable instead of is_scalar.
6319 (variant::emplace<N, Args>(Args&&...)): If construction of the new
6320 contained value can throw and its type is trivially copyable then
6321 construct into a temporary variant and move from it, to provide the
6322 strong exception safety guarantee.
6323 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
6325 * testsuite/20_util/variant/87431.cc: New test.
6326 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
6327 conversion causes valueless state.
6330 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
6331 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
6332 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
6333 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
6334 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
6336 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
6338 * include/bits/fs_fwd.h (__file_clock): Define new clock.
6339 (file_time_type): Redefine in terms of __file_clock.
6340 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
6342 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
6344 (internal_file_lock): New helper type for accessing __file_clock.
6345 (do_copy_file): Use internal_file_lock to convert system time to
6347 (last_write_time(const path&, error_code&)): Likewise.
6348 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
6350 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
6352 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
6353 for const member functions of std::basic_string.
6354 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
6356 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
6357 Make non-standard constructor private.
6358 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
6360 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
6361 explicit instantiations for C++17 as well as earlier dialects.
6362 * src/c++17/Makefile.am: Add new source files.
6363 * src/c++17/Makefile.in: Regenerate.
6364 * src/c++17/cow-string-inst.cc: New file defining explicit
6365 instantiations for basic_string member functions added in C++17.
6366 * src/c++17/string-inst.cc: Likewise.
6368 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
6369 copy/move constructors for old std::basic_string.
6370 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
6371 (basic_string::reference, basic_string::const_reference): Define
6372 as plain references for C++11 and later.
6373 (basic_string::basic_string()): Put constructor body outside
6374 preprocessor conditional groups.
6375 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
6376 instead of copying it.
6377 (basic_string::basic_string(const basic_string&, const _Alloc&)):
6379 (basic_string::basic_string(basic_string&&, const _Alloc&)):
6381 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
6382 cases for old basic_string.
6383 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
6384 allocator-extended constructors unconditionally. Add extra members to
6385 allocator type when using old string ABI.
6386 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
6388 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
6390 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
6391 -fno-inline added to test flags.
6393 * testsuite/21_strings/basic_string/requirements/
6394 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
6396 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
6397 assertion failures with old std::string ABI.
6399 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
6401 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
6402 functions that will only erase elements at the end.
6403 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
6404 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
6405 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
6407 (path::_List::pop_back()): Define.
6408 (path::_List::_M_erase_from(const_iterator)): Define.
6409 (path::operator/=(const path&)): Use pop_back to remove last component
6410 and _M_erase_from to remove multiple components.
6411 (path::_M_append(basic_string_view<value_type>)): Likewise.
6412 (path::operator+=(const path&)): Likewise.
6413 (path::_M_concat(basic_string_view<value_type>)): Likewise.
6414 (path::remove_filename()): Likewise.
6415 (path::lexically_normal()): Use _List::_Impl iterators instead of
6416 path::iterator. Use pop_back to remove components from the end. Clear
6417 trailing filename, instead of using erase(const_iterator) to remove
6418 a non-final component.
6419 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
6421 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
6423 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
6424 incorrect treatment of empty filename after trailing slash.
6425 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
6427 * testsuite/21_strings/basic_string/modifiers/assign/char/
6428 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
6430 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
6431 move_assign_optim.cc: Likewise.
6433 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
6434 Jakub Jelinek <jakub@redhat.com>
6437 * include/experimental/memory: Replace UTF-8 quote characters.
6438 * include/std/future: Replace UTF-8 "em dash" characters.
6440 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
6443 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
6444 * include/debug/forward_list: Likewise.
6445 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
6447 * include/experimental/chrono: Likewise.
6448 * include/experimental/functional: Likewise.
6449 * include/experimental/ratio: Likewise.
6450 * include/experimental/system_error: Likewise.
6451 * include/experimental/tuple: Likewise.
6452 * include/experimental/type_traits: Likewise.
6453 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
6454 * include/parallel/multiseq_selection.h: Likewise.
6457 * config/abi/pre/gnu.ver: Add missing exports.
6458 * testsuite/22_locale/collate_byname/88681.cc: New test.
6459 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
6460 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
6462 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
6464 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
6465 initializer_list<value_type> and from input iterator ranges.
6466 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
6468 * testsuite/experimental/string_view/element_access/char/empty.cc:
6469 Fix year range in copyright header.
6471 2019-01-02 Joel Brobecker <brobecker@adacore.com>
6473 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
6474 Fix year range in copyright header.
6476 2019-01-01 Jakub Jelinek <jakub@redhat.com>
6478 Update copyright years.
6480 Copyright (C) 2019 Free Software Foundation, Inc.
6482 Copying and distribution of this file, with or without modification,
6483 are permitted in any medium without royalty provided the copyright
6484 notice and this notice are preserved.