1 2019-10-29 Jonathan Wakely <jwakely@redhat.com>
3 * include/Makefile.am: Add new header.
4 * include/Makefile.in: Regenerate.
5 * include/bits/iterator_concepts.h: New header.
6 (contiguous_iterator_tag, iter_reference_t, ranges::iter_move)
7 (iter_rvalue_reference_t, incrementable_traits, iter_difference_t)
8 (readable_traits, iter_value_t, readable, iter_common_reference_t)
9 (writable, waekly_incrementable, incrementable)
10 (input_or_output_iterator, sentinel_for, disable_sized_sentinel)
11 (sized_sentinel_for, input_iterator, output_iterator)
12 (forward_iterator, bidirectional_iterator, random_access_iterator)
13 (contiguous_iterator, indirectly_unary_invocable)
14 (indirectly_regular_unary_invocable, indirect_unary_predicate)
15 (indirect_relation, indirect_strict_weak_order, indirect_result_t)
16 (projected, indirectly_movable, indirectly_movable_storable)
17 (indirectly_copyable, indirectly_copyable_storable, ranges::iter_swap)
18 (indirectly_swappable, indirectly_comparable, permutable, mergeable)
19 (sortable, unreachable_sentinel_t, unreachable_sentinel)
20 (default_sentinel_t, default_sentinel): Define.
21 (__detail::__cpp17_iterator, __detail::__cpp17_input_iterator)
22 (__detail::__cpp17_fwd_iterator, __detail::__cpp17_bidi_iterator)
23 (__detail::__cpp17_randacc_iterator): Define.
24 (__iterator_traits): Define constrained specializations.
25 * include/bits/move.h (move): Only use old concept check for C++98.
26 * include/bits/range_access.h (ranges::disable_sized_range)
27 (ranges::begin, ranges::end, ranges::cbegin, ranges::cend)
28 (ranges::rbegin, ranges::rend, ranges::crbegin, ranges::crend)
29 (ranges::size, ranges::empty, ranges::data, ranges::cdata): Define
30 new customization points for C++20.
31 (ranges::range, ranges::sized_range): Define new concepts for C++20.
32 (ranges::advance, ranges::distance, ranges::next, ranges::prev):
33 Define new functions for C++20.
34 (__adl_end, __adl_cdata, __adl_cbegin, __adl_cend, __adl_rbegin)
35 (__adl_rend, __adl_crbegin, __adl_crend, __adl_cdata, __adl_size)
36 (__adl_empty): Remove.
37 * include/bits/stl_iterator.h (disable_sized_sentinel): Specialize
39 * include/bits/stl_iterator_base_types.h (contiguous_iterator_tag):
40 Define new struct for C++20.
41 (iterator_traits<_Tp*>): Constrain partial specialization in C++20.
42 * include/std/concepts (__is_class_or_enum): Move to __detail
44 * testsuite/20_util/forward/c_neg.cc: Adjust dg-error line number.
45 * testsuite/20_util/forward/f_neg.cc: Likewise.
46 * testsuite/24_iterators/associated_types/incrementable.traits.cc: New
48 * testsuite/24_iterators/associated_types/readable.traits.cc: New test.
49 * testsuite/24_iterators/contiguous/concept.cc: New test.
50 * testsuite/24_iterators/contiguous/tag.cc: New test.
51 * testsuite/24_iterators/customization_points/iter_move.cc: New test.
52 * testsuite/24_iterators/customization_points/iter_swap.cc: New test.
53 * testsuite/24_iterators/headers/iterator/synopsis_c++20.cc: New test.
54 * testsuite/24_iterators/range_operations/advance.cc: New test.
55 * testsuite/24_iterators/range_operations/distance.cc: New test.
56 * testsuite/24_iterators/range_operations/next.cc: New test.
57 * testsuite/24_iterators/range_operations/prev.cc: New test.
58 * testsuite/26_numerics/adjacent_difference/requirements/
59 explicit_instantiation/2.cc: Rename types that conflict with C++20
61 * testsuite/26_numerics/adjacent_difference/requirements/
62 explicit_instantiation/pod.cc: Likewise.
63 * testsuite/26_numerics/partial_sum/requirements/
64 explicit_instantiation/2.cc: Likewise.
65 * testsuite/26_numerics/partial_sum/requirements/
66 explicit_instantiation/pod.cc: Likewise.
67 * testsuite/experimental/iterator/requirements.cc: Likewise.
68 * testsuite/std/ranges/access/begin.cc: New test.
69 * testsuite/std/ranges/access/cbegin.cc: New test.
70 * testsuite/std/ranges/access/cdata.cc: New test.
71 * testsuite/std/ranges/access/cend.cc: New test.
72 * testsuite/std/ranges/access/crbegin.cc: New test.
73 * testsuite/std/ranges/access/crend.cc: New test.
74 * testsuite/std/ranges/access/data.cc: New test.
75 * testsuite/std/ranges/access/empty.cc: New test.
76 * testsuite/std/ranges/access/end.cc: New test.
77 * testsuite/std/ranges/access/rbegin.cc: New test.
78 * testsuite/std/ranges/access/rend.cc: New test.
79 * testsuite/std/ranges/access/size.cc: New test.
80 * testsuite/util/testsuite_iterators.h (contiguous_iterator_wrapper)
81 (test_range, test_sized_range): New test utilities.
83 * testsuite/util/testsuite_iterators.h (BoundsContainer::size()): Add
85 (WritableObject::operator=): Constrain with enable_if when available.
86 (remove_cv): Use std::remove_if when available.
87 (test_container::it(int)): Use size().
88 (test_container::size()): Use BoundsContainer::size().
91 * include/bits/stl_deque.h (_Deque_iterator(const _Deque_iterator&)):
92 Do not define as defaulted.
93 * testsuite/23_containers/deque/types/92267.cc: New test.
95 2019-10-26 Gerald Pfeifer <gerald@pfeifer.com>
97 * doc/xml/manual/codecvt.xml: Switch pubs.opengroup.org to https.
98 * doc/xml/manual/locale.xml (LC_ALL): Ditto.
99 * doc/xml/manual/messages.xml: Ditto.
101 2019-10-26 John David Anglin <danglin@gcc.gnu.org>
103 * config/abi/post/hppa-linux-gnu/baseline_symbols.txt: Update.
105 2019-10-25 Jonathan Wakely <jwakely@redhat.com>
107 * testsuite/util/testsuite_iterators.h (output_iterator_wrapper)
108 (input_iterator_wrapper, forward_iterator_wrapper)
109 bidirectional_iterator_wrapper, random_access_iterator_wrapper): Remove
110 user-provided copy constructors and copy assignment operators so they
111 are defined implicitly.
112 (input_iterator_wrapper): Initialize members in default constructor.
113 (forward_iterator_wrapper): Remove assignments to members of base.
115 * include/bits/allocator.h: Check __cpp_constexpr_dynamic_alloc
116 before making the std::allocator destructor constexpr.
117 * testsuite/20_util/allocator/requirements/constexpr.cc: New test.
119 * include/bits/range_cmp.h: Check __cpp_lib_concepts before defining
120 concepts. Fix comment.
121 * include/bits/allocator.h
123 2019-10-25 Gerald Pfeifer <gerald@pfeifer.com>
125 * doc/xml/manual/policy_data_structures_biblio.xml: Switch
126 pubs.opengroup.org to https.
128 2019-10-25 Gerald Pfeifer <gerald@pfeifer.com>
130 * doc/xml/gnu/gpl-3.0.xml: Switch www.gnu.org to https.
132 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
134 * doc/xml/manual/status_cxx2020.xml: Add rows and update status.
136 2019-10-24 Jonathan Wakely <jwakely@redhat.com>
138 * include/bits/allocator.h (allocator<void>): Restore the explicit
139 specialization for C++20, but make its API consistent with the primary
141 (allocator::~allocator()): Restore the destructor for C++20, but make
143 * testsuite/20_util/allocator/rebind_c++20.cc: Check allocator<void>.
144 * testsuite/20_util/allocator/requirements/typedefs_c++20.cc: Likewise.
145 * testsuite/20_util/allocator/void.cc: Check that constructors and
146 destructors are trivial. Check for converting constructor in C++20.
147 * testsuite/ext/malloc_allocator/variadic_construct.cc: Simplify
148 dejagnu target selector.
149 * testsuite/ext/new_allocator/variadic_construct.cc: Likewise.
151 * include/experimental/executor (__use_future_ct, use_future_t):
152 Define partial specializations for std::allocator.
153 (__use_future_ch): Overload constructor for completion tokens using
156 PR libstdc++/88338 Implement P0898R3, C++20 concepts library
157 * doc/xml/manual/status_cxx2020.xml: Update status.
158 * doc/html/*: Regenerate.
159 * testsuite/std/concepts/1.cc: New test.
160 * testsuite/std/concepts/2.cc: New test.
162 * include/bits/random.h (uniform_random_bit_generator): Define for
164 * testsuite/26_numerics/random/concept.cc: New test.
165 * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error line.
167 2019-10-23 Jonathan Wakely <jwakely@redhat.com>
169 * include/std/functional (invoke): Add constexpr for C++20.
170 * include/std/version (__cpp_lib_constexpr_invoke): Define.
171 * testsuite/20_util/function_objects/invoke/constexpr.cc: New test.
173 PR c++/91369 Implement P0784R7 changes to allocation and construction
174 * include/bits/alloc_traits.h: Include <bits/stl_construct.h>.
175 (allocator_traits::_S_allocate, allocator_traits::_S_construct)
176 (allocator_traits::_S_destroy, allocator_traits::_S_max_size)
177 (allocator_traits::_S_select, allocator_traits::allocate)
178 (allocator_traits::deallocate, allocator_traits::construct)
179 (allocator_traits::destroy, allocator_traits::max_size)
180 (allocator_traits::select_on_container_copy_construction)
181 (allocator_traits<allocator<T>>): Add constexpr specifier for C++20.
182 (allocator_traits<allocator<T>>::construct): Use construct_at.
183 (allocator_traits<allocator<T>>::destroy): Use destroy_at.
184 (__alloc_on_copy, __alloc_on_move, __alloc_on_swap): Add constexpr
186 (_Destroy(ForwardIterator, ForwardIterator, Alloc&))
187 (_Destroy(ForwardIterator, ForwardIterator, allocator<T>&)): Move here
188 from <bits/stl_construct.h>.
189 * include/bits/allocator.h (allocator::~allocator): Remove for C++20.
190 (allocator::allocate, allocate::deallocate): Define for C++20 and up.
191 (operator==, operator!=): Add constexpr specifier for C++20.
192 * include/bits/stl_construct.h: Don't include <ext/alloc_traits.h>.
193 (destroy_at): For C++20 add constexpr specifier and support for
195 (construct_at): Define new function for C++20.
196 (_Construct): Return result of placement new-expression. For C++11 and
197 up add constexpr. For C++20 dispatch to std::construct_at during
199 (_Destroy(pointer)): Add constexpr specifier. For C++20 dispatch to
200 std::destroy_at during constant evaluation.
201 (_Destroy_aux::__destroy, _Destroy_n_aux::__destroy_n): Add constexpr
203 (_Destroy(ForwardIterator, ForwardIterator))
204 (_Destroy(ForwardIterator, Size)): Likewise. Do not elide trivial
205 destructors during constant evaluation.
206 (destroy, destroy_n): Add constexpr specifier for C++20.
207 (_Destroy(ForwardIterator, ForwardIterator, Alloc&))
208 (_Destroy(ForwardIterator, ForwardIterator, allocator<T>&)): Move to
209 <bits/alloc_traits.h>, to remove dependency on allocators.
210 * include/bits/stl_uninitialized.h: Include <ext/alloc_traits.h>.
211 Include <bits/stl_pair.h> instead of <utility>.
212 * include/ext/alloc_traits.h: Always include <bits/alloc_traits.h>.
213 (__alloc_traits::construct, __alloc_traits::destroy)
214 (__alloc_traits::_S_select_on_copy, __alloc_traits::_S_on_swap): Add
216 * include/ext/malloc_allocator.h (operator==, operator!=): Add
217 constexpr specifier for C++20.
218 * include/ext/new_allocator.h (operator==, operator!=): Likewise.
219 * testsuite/20_util/headers/memory/synopsis.cc: Add constexpr.
220 * testsuite/20_util/scoped_allocator/69293_neg.cc: Ignore additional
221 errors due to constexpr function called after failed static_assert.
222 * testsuite/20_util/specialized_algorithms/construct_at/1.cc: New test.
223 * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
224 Ignore additional errors due to constexpr function called after failed
226 * testsuite/23_containers/vector/cons/destructible_neg.cc: Likewise.
228 * testsuite/20_util/bind/91371.cc: Fix test to compile as C++11.
230 * include/debug/helper_functions.h (__valid_range): Change
231 _GLIBCXX_CONSTEXPR to _GLIBCXX14_CONSTEXPR.
233 * include/ext/throw_allocator.h (throw_allocator_base): Qualify
234 size_t and ptrdiff_t.
236 * include/ext/pb_ds/detail/bin_search_tree_/bin_search_tree_.hpp:
237 Use detail::rebind_traits.
238 * include/ext/pb_ds/detail/bin_search_tree_/node_iterators.hpp:
240 * include/ext/pb_ds/detail/bin_search_tree_/traits.hpp: Likewise.
241 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp: Likewise.
242 * include/ext/pb_ds/detail/binary_heap_/entry_cmp.hpp: Likewise.
243 * include/ext/pb_ds/detail/binary_heap_/entry_pred.hpp: Likewise.
244 * include/ext/pb_ds/detail/binary_heap_/point_const_iterator.hpp:
246 * include/ext/pb_ds/detail/binomial_heap_base_/binomial_heap_base_.hpp:
248 * include/ext/pb_ds/detail/branch_policy/branch_policy.hpp: Likewise.
249 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp: Likewise.
250 * include/ext/pb_ds/detail/cond_dealtor.hpp: Likewise.
251 * include/ext/pb_ds/detail/eq_fn/hash_eq_fn.hpp (has_eq_fn): Likewise.
252 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp: Likewise.
253 * include/ext/pb_ds/detail/hash_fn/ranged_hash_fn.hpp: Likewise.
254 * include/ext/pb_ds/detail/hash_fn/ranged_probe_fn.hpp: Likewise.
255 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
256 left_child_next_sibling_heap_.hpp: Likewise.
257 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/node.hpp:
259 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
260 point_const_iterator.hpp: Likewise.
261 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp: Likewise.
262 * include/ext/pb_ds/detail/ov_tree_map_/
263 constructors_destructor_fn_imps.hpp: Likewise.
264 * include/ext/pb_ds/detail/ov_tree_map_/node_iterators.hpp: Likewise.
265 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hpp: Likewise.
266 * include/ext/pb_ds/detail/pairing_heap_/pairing_heap_.hpp: Likewise.
267 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp: Likewise.
268 * include/ext/pb_ds/detail/pat_trie_/pat_trie_base.hpp: Likewise.
269 * include/ext/pb_ds/detail/rb_tree_map_/node.hpp: Likewise.
270 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp: Likewise.
271 * include/ext/pb_ds/detail/splay_tree_/node.hpp: Likewise.
272 * include/ext/pb_ds/detail/thin_heap_/thin_heap_.hpp: Likewise.
273 * include/ext/pb_ds/detail/trie_policy/sample_trie_access_traits.hpp:
275 * include/ext/pb_ds/detail/type_utils.hpp: Fix typo in comment.
276 * include/ext/pb_ds/detail/types_traits.hpp (stored_value): Add
277 bool parameter to control whether the hash value is stored.
278 (select_base_type): New class template and partial specialization.
279 (maybe_null_type): Likewise.
280 (rebind_traits): New class template.
281 (type_base): Remove four nearly identical specializations.
282 (type_dispatch): Remove.
283 (type_traits): Use select_base_type and maybe_null_type instead of
284 type_base to control differences between specializations.
285 * include/ext/pb_ds/list_update_policy.hpp: Use detail::rebind_traits.
286 * include/ext/pb_ds/priority_queue.hpp: Likewise.
287 * include/ext/pb_ds/tree_policy.hpp: Likewise.
288 * include/ext/pb_ds/trie_policy.hpp: Likewise.
290 * include/backward/hash_set (hash_set): Use __alloc_traits.
291 * include/backward/hashtable.h (_Hashtable): Likewise.
292 * include/ext/alloc_traits.h (__alloc_traits::allocate): Add overload
294 * include/ext/extptr_allocator.h (_ExtPtr_allocator::allocate): Ignore
296 * include/ext/slist (_Slist_base): Use __alloc_traits.
297 * include/tr1/hashtable.h (_Hashtable): Likewise.
298 * include/tr1/regex (match_results): Use vector::const_reference
299 instead of assuming the allocator defines it.
300 * testsuite/backward/hash_map/23528.cc: Use allocator_traits in C++11.
301 * testsuite/tr1/6_containers/unordered_map/capacity/29134-map.cc: Use
302 __gnu_test::max_size.
303 * testsuite/tr1/6_containers/unordered_multimap/capacity/
304 29134-multimap.cc: Likewise.
305 * testsuite/tr1/6_containers/unordered_multiset/capacity/
306 29134-multiset.cc: Likewise.
307 * testsuite/tr1/6_containers/unordered_set/capacity/29134-set.cc:
310 2019-10-22 Jonathan Wakely <jwakely@redhat.com>
312 * testsuite/util/testsuite_abi.h: Restore use of tr1/unordered_map
313 when compiled as C++98.
315 * include/bits/memoryfwd.h (uses_allocator): Do not declare for C++98.
316 * testsuite/17_intro/names.cc: Check uses_allocator in C++98.
318 * include/bits/alloc_traits.h
319 (allocator_traits<allocator<T>>::allocate): Ignore hint for C++20.
320 (allocator_traits<allocator<T>>::construct): Perform placement new
321 directly for C++20, instead of calling allocator<T>::construct.
322 (allocator_traits<allocator<T>>::destroy): Call destructor directly
323 for C++20, instead of calling allocator<T>::destroy.
324 (allocator_traits<allocator<T>>::max_size): Return value directly
325 for C++20, instead of calling std::allocator<T>::max_size().
326 (__do_alloc_on_copy, __do_alloc_on_move, __do_alloc_on_swap): Do not
327 define for C++17 and up.
328 (__alloc_on_copy, __alloc_on_move, __alloc_on_swap): Use if-constexpr
329 for C++17 and up, instead of tag dispatching.
330 * include/bits/allocator.h (allocator<void>): Remove for C++20.
331 (allocator::pointer, allocator::const_pointer, allocator::reference)
332 (allocator::const_reference, allocator::rebind): Remove for C++20.
333 * include/bits/basic_string.h (basic_string): Use __alloc_traits to
335 * include/bits/memoryfwd.h (allocator<void>): Remove for C++20.
336 * include/ext/debug_allocator.h: Use __alloc_traits for rebinding.
337 * include/ext/malloc_allocator.h (malloc_allocator::~malloc_allocator)
338 (malloc_allocator::pointer, malloc_allocator::const_pointer)
339 (malloc_allocator::reference, malloc_allocator::const_reference)
340 (malloc_allocator::rebind, malloc_allocator::max_size)
341 (malloc_allocator::construct, malloc_allocator::destroy): Do not
343 (malloc_allocator::_M_max_size): Define new function.
344 * include/ext/new_allocator.h (new_allocator::~new_allocator)
345 (new_allocator::pointer, new_allocator::const_pointer)
346 (new_allocator::reference, new_allocator::const_reference)
347 (new_allocator::rebind, new_allocator::max_size)
348 (new_allocator::construct, new_allocator::destroy): Do not
350 (new_allocator::_M_max_size): Define new function.
351 * include/ext/rc_string_base.h (__rc_string_base::_Rep): Use
352 __alloc_traits to rebind allocator.
353 * include/ext/rope (_Rope_rep_base, _Rope_base): Likewise.
354 (rope::rope(CharT, const allocator_type&)): Use __alloc_traits
355 to construct character.
356 * include/ext/slist (_Slist_base): Use __alloc_traits to rebind
358 * include/ext/sso_string_base.h (__sso_string_base::_M_max_size):
360 * include/ext/throw_allocator.h (throw_allocator): Do not use optional
361 members of std::allocator, use __alloc_traits members instead.
362 * include/ext/vstring.h (__versa_string): Use __alloc_traits.
363 * include/ext/vstring_util.h (__vstring_utility): Likewise.
364 * include/std/memory: Include <bits/alloc_traits.h>.
365 * testsuite/20_util/allocator/8230.cc: Use __gnu_test::max_size.
366 * testsuite/20_util/allocator/rebind_c++20.cc: New test.
367 * testsuite/20_util/allocator/requirements/typedefs.cc: Do not check
368 for pointer, const_pointer, reference, const_reference or rebind in
370 * testsuite/20_util/allocator/requirements/typedefs_c++20.cc: New test.
371 * testsuite/23_containers/deque/capacity/29134.cc: Use
372 __gnu_test::max_size.
373 * testsuite/23_containers/forward_list/capacity/1.cc: Likewise.
374 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
375 * testsuite/23_containers/map/capacity/29134.cc: Likewise.
376 * testsuite/23_containers/multimap/capacity/29134.cc: Likewise.
377 * testsuite/23_containers/multiset/capacity/29134.cc: Likewise.
378 * testsuite/23_containers/set/capacity/29134.cc: Likewise.
379 * testsuite/23_containers/vector/capacity/29134.cc: Likewise.
380 * testsuite/ext/malloc_allocator/variadic_construct.cc: Do not run
382 * testsuite/ext/new_allocator/variadic_construct.cc: Likewise.
383 * testsuite/ext/vstring/capacity/29134.cc: Use __gnu_test::max_size.
384 * testsuite/util/replacement_memory_operators.h: Do not assume
385 Alloc::pointer exists.
386 * testsuite/util/testsuite_allocator.h (__gnu_test::max_size): Define
387 helper to call max_size for any allocator.
389 2019-10-22 Andreas Schwab <schwab@suse.de>
391 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
393 2019-10-18 Jonathan Wakely <jwakely@redhat.com>
396 * libsupc++/new_opa.cc (operator new) [__APPLE__]: Increase alignment
397 to at least sizeof(void*).
399 * include/bits/range_cmp.h (ranges::less::operator()): Inline the
400 logic from std::less::operator() to remove the dependency on it.
402 2019-10-17 Jonathan Wakely <jwakely@redhat.com>
404 * doc/doxygen/user.cfg.in (INPUT): Add new C++17 and C++20 headers.
406 * include/Makefile.am: Add new header.
407 * include/Makefile.in: Regenerate.
408 * include/bits/range_cmp.h: New header for C++20 function objects.
409 * include/std/functional: Include new header.
410 * testsuite/20_util/function_objects/identity/1.cc: New test.
411 * testsuite/20_util/function_objects/range.cmp/equal_to.cc: New test.
412 * testsuite/20_util/function_objects/range.cmp/greater.cc: New test.
413 * testsuite/20_util/function_objects/range.cmp/greater_equal.cc: New
415 * testsuite/20_util/function_objects/range.cmp/less.cc: New test.
416 * testsuite/20_util/function_objects/range.cmp/less_equal.cc: New test.
417 * testsuite/20_util/function_objects/range.cmp/not_equal_to.cc: New
421 * include/bits/forward_list.h
422 (_M_move_assign(forward_list&&, false_type)): Do not use
423 __make_move_if_noexcept, instead move unconditionally.
424 * include/bits/stl_deque.h (_M_move_assign2(deque&&, false_type)):
426 * include/bits/stl_list.h (_M_move_assign(list&&, false_type)):
428 * include/bits/stl_vector.h (_M_move_assign(vector&&, false_type)):
430 * testsuite/23_containers/vector/92124.cc: New test.
432 2019-10-16 Jonathan Wakely <jwakely@redhat.com>
434 * include/bits/c++config (_GLIBCXX_BUILTIN_IS_SAME_AS): Define to
435 one of __is_same_as or __is_same when available.
436 * include/std/concepts (__detail::__same_as): Use std::is_same_v.
437 * include/std/type_traits (is_same) [_GLIBCXX_BUILTIN_IS_SAME_AS]:
438 Use new macro instead of __is_same_as.
439 (is_same) [!_GLIBCXX_BUILTIN_IS_SAME_AS]: Restore partial
441 (is_same_v) [_GLIBCXX_BUILTIN_IS_SAME_AS]: Use new macro.
442 (is_same_v) [!_GLIBCXX_BUILTIN_IS_SAME_AS]: Use std::is_same.
444 2019-10-16 François Dumont <fdumont@gcc.gnu.org>
446 * src/c++11/debug.cc (print_field): Replace constness_names <unknown>
447 entry with <unknown constness>. Replace state_names <unknown> entry with
450 2019-10-11 Jonathan Wakely <jwakely@redhat.com>
452 * include/Makefile.am: Add new header.
453 * include/Makefile.in: Regenerate.
454 * include/precompiled/stdc++.h: Include <concepts>.
455 * include/std/concepts: New header for C++20.
456 * include/std/version (__cpp_lib_concepts): Define.
457 * scripts/create_testsuite_files: Look for test files in new std
459 * testsuite/libstdc++-dg/conformance.exp: Likewise.
460 * testsuite/std/concepts/concepts.callable/invocable.cc: New test.
461 * testsuite/std/concepts/concepts.callable/regular_invocable.cc: New
463 * testsuite/std/concepts/concepts.callable/relation.cc: New test.
464 * testsuite/std/concepts/concepts.callable/strictweakorder.cc: New
466 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
467 floating_point.cc: New test.
468 * testsuite/std/concepts/concepts.lang/concept.arithmetic/integral.cc:
470 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
471 signed_integral.cc: New test.
472 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
473 unsigned_integral.cc: New test.
474 * testsuite/std/concepts/concepts.lang/concept.assignable/1.cc: New
476 * testsuite/std/concepts/concepts.lang/concept.common/1.cc: New test.
477 * testsuite/std/concepts/concepts.lang/concept.commonref/1.cc: New
479 * testsuite/std/concepts/concepts.lang/concept.constructible/1.cc:
481 * testsuite/std/concepts/concepts.lang/concept.convertible/1.cc:
483 * testsuite/std/concepts/concepts.lang/concept.copyconstructible/1.cc:
485 * testsuite/std/concepts/concepts.lang/concept.defaultconstructible/
487 * testsuite/std/concepts/concepts.lang/concept.derived/1.cc:
489 * testsuite/std/concepts/concepts.lang/concept.destructible/1.cc:
491 * testsuite/std/concepts/concepts.lang/concept.moveconstructible/1.cc:
493 * testsuite/std/concepts/concepts.lang/concept.same/1.cc:
495 * testsuite/std/concepts/concepts.lang/concept.swappable/swap.cc:
497 * testsuite/std/concepts/concepts.lang/concept.swappable/swappable.cc:
499 * testsuite/std/concepts/concepts.lang/concept.swappable/
500 swappable_with.cc: New test.
501 * testsuite/std/concepts/concepts.object/copyable.cc: New test.
502 * testsuite/std/concepts/concepts.object/movable.cc: New test.
503 * testsuite/std/concepts/concepts.object/regular.cc: New test.
504 * testsuite/std/concepts/concepts.object/semiregular.cc: New test.
506 * include/std/type_traits (is_same): Replace partial specialization
507 by using __is_same_as built-in in primary template.
508 (is_same_v): Use __is_same_as built-in instead of instantiating the
512 * include/tr2/dynamic_bitset (__dynamic_bitset_base): Define all
513 special member functions as defaulted. Add noexcept to most members.
514 (__dynamic_bitset_base(size_t, unsigned long long, const _Alloc&)):
515 Mask off unwanted bits in the __val parameter. Avoid undefined left
517 (__dynamic_bitset_base::_M_assign): Remove.
518 (__dynamic_bitset_base::_M_do_reset): Use std::fill.
519 (__dynamic_bitset_base::_M_are_all_aux): Avoid integer promotion when
520 block_type has lower rank than int.
521 (dynamic_bitset): Add noexcept to most members. Use injected-class-name
522 in return types and parameter types.
523 (dynamic_bitset::_M_Nb): Add default member initializer.
524 (dynamic_bitset(), dynamic_bitset(const dynamic_bitset&)): Define as
526 (dynamic_bitset(dynamic_bitset&&)): Clear source object after move.
527 (dynamic_bitset::operator=(const dynamic_bitset&)): Define as
529 (dynamic_bitset::operator=(dynamic_bitset&&)): Add noexcept-specifier.
530 Define without using swap, to propagate allocator correctly.
531 (dynamic_bitset(const char*, const _Alloc&)): Use strlen.
532 (dynamic_bitset::_M_do_sanitize, dynamic_bitset::_M_do_fill): Use
533 casts to avoid unwanted integer promotions.
534 (dynamic_bitset::_M_copy_from_ptr): Rearrange template parameters and
535 add default template arguments and default argument to simplify usage.
536 (dynamic_bitset::_M_copy_from_string): Adjust call to _M_copy_from_ptr.
537 (operator==(const dynamic_bitset&, const dynamic_bitset&))
538 (operator<(const dynamic_bitset&, const dynamic_bitset&)): Use _M_Nb.
539 * include/tr2/dynamic_bitset.tcc (dynamic_bitset::_M_copy_from_ptr):
540 Adjust template parameters to match declaration.
541 * testsuite/tr2/dynamic_bitset/cmp.cc: New test.
542 * testsuite/tr2/dynamic_bitset/cons.cc: New test.
543 * testsuite/tr2/dynamic_bitset/copy.cc: New test.
544 * testsuite/tr2/dynamic_bitset/move.cc: New test.
545 * testsuite/tr2/dynamic_bitset/pr92059.cc: New test.
547 * include/bits/charconv.h (__to_chars_len): Avoid -Wsign-compare
550 2019-10-10 Jonathan Wakely <jwakely@redhat.com>
553 * src/c++98/locale.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]
554 (find_ldbl_sync_facet): Fix parameter type and missing return.
556 2019-10-09 Marek Polacek <polacek@redhat.com>
558 PR c++/91364 - P0388R4: Permit conversions to arrays of unknown bound.
559 PR c++/69531 - DR 1307: Differently bounded array parameters.
560 PR c++/88128 - DR 330: Qual convs and pointers to arrays of pointers.
561 * testsuite/23_containers/span/lwg3255.cc: Adjust test to match the
562 post-P0388R4 behavior.
564 2019-10-09 Jonathan Wakely <jwakely@redhat.com>
567 * src/c++98/locale.cc (locale::id::_M_id()) [__GTHREADS]: Use atomic
568 compare-exchange or double-checked lock to ensure only one thread sets
569 the _M_index variable.
570 [_GLIBCXX_LONG_DOUBLE_COMPAT]: Call find_ldbl_sync_facet to detect
571 facets that share another facet's ID.
572 [_GLIBCXX_LONG_DOUBLE_COMPAT] (find_ldbl_sync_facet): New function.
575 * src/c++98/locale_init.cc (locale::classic()): Do not construct a new
576 locale object for every call.
577 (locale::_S_initialize_once()): Construct C locale here.
579 2019-10-08 Jonathan Wakely <jwakely@redhat.com>
581 * doc/Makefile.am (doc-html-docbook-regenerate): New target.
582 (${docbook_outdir}/html): Do not create unused 'html/ext' directory.
583 * doc/Makefile.in: Regenerate.
584 * doc/xml/manual/documentation_hacking.xml: Document new target.
585 * doc/html/*: Regenerate.
587 * doc/xml/manual/allocator.xml: Use archived copy of CUJ article.
588 * doc/html/*: Regenerate.
590 2019-10-06 François Dumont <fdumont@gcc.gnu.org>
592 * include/bits/stl_algo.h
593 (__copy_n_a(_IIte, _Size, _OIte)): New.
594 (__copy_n_a(istreambuf_iterator<>, _Size, _CharT*)): New declaration.
595 (__copy_n(_IIte, _Size, _OIte, input_iterator_tag)): Adapt to use
597 * include/bits/streambuf_iterator.h (istreambuf_iterator<>): Declare
598 std::__copy_n_a friend.
599 (__copy_n_a(istreambuf_iterator<>, _Size, _CharT*)): New.
600 * testsuite/25_algorithms/copy_n/istreambuf_iterator/1.cc: New.
601 * testsuite/25_algorithms/copy_n/istreambuf_iterator/1_neg.cc: New.
602 * testsuite/25_algorithms/copy_n/istreambuf_iterator/2_neg.cc: New.
604 * include/bits/stl_iterator_base_types.h (__iterator_category_t): Define
606 (_RequireInputIte): Likewise and use __enable_if_t.
607 * include/std/numeric
608 (__is_random_access_iter): Use __iterator_category_t.
610 * include/bits/stl_algo.h (copy_n): Add __glibcxx_requires_can_increment
612 * testsuite/25_algorithms/copy_n/debug/1_neg.cc: New.
613 * testsuite/25_algorithms/copy_n/debug/2_neg.cc: New.
615 2019-10-04 François Dumont <fdumont@gcc.gnu.org>
617 * include/debug/forward_list
618 (_Sequence_traits<__debug::forward_list<>>::_S_size): Returns __dp_sign
619 distance when not empty.
620 * include/debug/list (_Sequence_traits<__debug::list<>>::_S_size):
622 * include/debug/helper_functions.h (__dp_sign_max_size): New
623 _Distance_precision enum entry.
624 (__valid_range_aux(_IIte, _IIte, _Distance_traits<>::__type,
625 __false_type)): Adapt.
626 * include/debug/safe_iterator.tcc
627 (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator&)): Review
628 distance computation.
630 2019-10-04 Jonathan Wakely <jwakely@redhat.com>
634 * configure.ac: Use AC_SYS_LARGEFILE to enable 64-bit file APIs.
635 * config.h.in: Regenerate:
636 * configure: Regenerate:
637 * include/Makefile.am (${host_builddir}/largefile-config.h): New
638 target to generate config header for filesystem library.
639 (${host_builddir}/c++config.h): Rename macros for large file support.
640 * include/Makefile.in: Regenerate.
641 * src/c++17/fs_dir.cc: Include new config header.
642 * src/c++17/fs_ops.cc: Likewise.
643 (filesystem::file_size): Use uintmax_t for size.
644 * src/filesystem/dir.cc: Include new config header.
645 * src/filesystem/ops.cc: Likewise.
646 (experimental::filesystem::file_size): Use uintmax_t for size.
648 * testsuite/util/testsuite_abi.h: Use std::unordered_map instead of
649 std::tr1::unordered_map.
650 * testsuite/util/testsuite_allocator.h: Likewise.
652 * include/tr1/hashtable.h: Add header for __gnu_cxx::__alloc_traits.
654 * include/tr1/hashtable.h (tr1::_Hashtable::_M_allocate_node): Use
655 __gnu_cxx::__alloc_traits for allocator construct function.
656 (tr1::_Hashtable::_M_deallocate_node): Likewise for destroy function.
658 * include/precompiled/stdc++.h: Include <span> for C++20.
659 * testsuite/17_intro/names.cc: Do not define 'e' for C++20.
661 2019-10-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
663 * include/parallel/multiway_merge.h (_RAIter3): Replace _C by _Cp.
665 2019-10-02 Jonathan Wakely <jwakely@redhat.com>
667 * config/abi/pre/gnu.ver: Tighten up greedy wildcards.
669 * doc/xml/manual/parallel_mode.xml: Add caveat about support for
671 * doc/html/*: Regenerate.
673 2019-10-01 Jonathan Wakely <jwakely@redhat.com>
675 * include/experimental/algorithm (experimental::sample): Qualify call
676 to __sample correctly.
677 * include/parallel/algo.h (sample, for_each_n): Add using-declarations
678 for algorithms that don't have parallel implementations.
680 * include/parallel/algobase.h (equal, lexicographical_compare): Add
681 _GLIBCXX20_CONSTEXPR and dispatch to sequential algorithm when being
683 * include/parallel/algorithmfwd.h (equal, lexicographical_compare):
684 Add _GLIBCXX20_CONSTEXPR.
686 * testsuite/17_intro/using_namespace_std_tr1_neg.cc: Skip test for
688 * testsuite/20_util/hash/84998.cc: Likewise.
689 * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: Likewise.
690 * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: Likewise.
691 * testsuite/23_containers/list/pmr_typedefs_debug.cc: Likewise.
692 * testsuite/23_containers/map/pmr_typedefs_debug.cc: Likewise.
693 * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: Likewise.
694 * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: Likewise.
695 * testsuite/23_containers/set/pmr_typedefs_debug.cc: Likewise.
696 * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc:
698 * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
700 * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
702 * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc:
704 * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
706 * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: Likewise.
707 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
708 * testsuite/25_algorithms/copy/86658.cc: Likewise.
709 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
710 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
711 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
712 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
714 * include/parallel/algo.h: Replace non-reserved names.
715 * include/parallel/multiway_merge.h: Likewise.
716 * include/parallel/multiway_mergesort.h: Likewise.
717 * include/parallel/numericfwd.h: Likewise.
718 * testsuite/17_intro/names.cc: Add RAI to test macros.
720 2019-09-30 François Dumont <fdumont@gcc.gnu.org>
722 * include/debug/array: Add C++20 constexpr to comparison operators.
723 * testsuite/23_containers/array/tuple_interface/get_debug_neg.cc: Adapt
724 dg-error line numbers.
725 * testsuite/23_containers/array/tuple_interface/
726 tuple_element_debug_neg.cc: Likewise.
728 2019-09-30 Andreas Tobler <andreast@gcc.gnu.org>
730 * include/experimental/internet: Include netinet/in.h if we have
731 _GLIBCXX_HAVE_NETINET_IN_H defined.
733 * testsuite/ext/special_functions/airy_ai/check_nan.cc: Ignore the
734 FreeBSD warning about lower advertised precision of tgammal.
735 * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
736 * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc: Likewise.
737 * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc: Likewise.
738 * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc: Likewise.
739 * testsuite/special_functions/10_cyl_neumann/check_nan.cc: Likewise.
740 * testsuite/special_functions/19_sph_bessel/check_nan.cc: Likewise.
741 * testsuite/special_functions/21_sph_neumann/check_nan.cc: Likewise.
742 * testsuite/tr1/5_numerical_facilities/special_functions/
743 08_cyl_bessel_i/check_nan.cc: Likewise.
744 * testsuite/tr1/5_numerical_facilities/special_functions/
745 09_cyl_bessel_j/check_nan.cc: Likewise.
746 * testuite/tr1/5_numerical_facilities/special_functions/
747 10_cyl_bessel_k/check_nan.cc: Likewise.
748 * testsuite/tr1/5_numerical_facilities/special_functions/
749 11_cyl_neumann/check_nan.cc: Likewise.
750 * testsuite/tr1/5_numerical_facilities/special_functions/
751 21_sph_bessel/check_nan.cc: Likewise.
752 * testsuite/tr1/5_numerical_facilities/special_functions/
753 23_sph_neumann/check_nan.cc: Likewise.
755 2019-09-30 Jonathan Wakely <jwakely@redhat.com>
757 * include/std/span (span(element_type(&)[N]))
758 (span(array<value_type, N>&), span(const array<value_type, N>&)):
759 Deduce array element type to allow safe const conversions (LWG 3255).
760 [!_GLIBCXX_P1394] (span(Container&), span(const Container&)): Use
761 remove_cv_t on arguments to __is_std_span and __is_std_array.
762 * testsuite/23_containers/span/lwg3255.cc: New test.
765 * include/parallel/checkers.h (__is_sorted): Remove unused variable.
767 2019-09-28 François Dumont <fdumont@gcc.gnu.org>
769 * include/bits/stl_algo.h (merge): Fix documentation.
770 * include/debug/functions.h (__check_sorted_aux): Add C++20 constexpr.
771 (__check_sorted): Likewise and remove nested irreflexive check.
772 (__check_sorted_set_aux, __check_sorted_set): Add C++20 constexpr.
773 (__check_partitioned_lower, __check_partitioned_upper): Likewise.
774 (_Irreflexive_checker::_S_is_valid): Likewise.
775 (__is_irreflexive, __is_irreflexive_pred): Likewise.
776 * include/debug/helper_functions.h (__get_distance): Add constexpr.
777 (__valid_range_aux): Add C++20 constexpr.
778 (__valid_range(_Iter, _Iter, _Distance_traits<_Iter>::__type&)):
779 Likewise and add std::is_constant_evaluated check.
780 (__valid_range_aux(_Iter, _Iter, std::input_iterator_tag)): New.
781 (__valid_range_aux(_Iter, _Iter, std::random_accss_iterator_tag)): New.
782 (__valid_range_aux(_Integral, _Integral, std::__true_type)): New,
784 (__valid_range(_Iter, _Iter)): Adapt to use latter, add constexpr and
785 __builtin_is_contant_evaludated check..
786 (__can_advance, __base): Add constexpr.
787 * include/debug/macros.h [_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED]
788 (_GLIBCXX_DEBUG_VERIFY_COND_AT): New.
789 (__glibcxx_check_sorted): Use __glibcxx_check_irreflexive.
790 (__glibcxx_check_sorted_pred): Use __glibcxx_check_irreflexive_pred.
791 * testsuite/25_algorithms/binary_search/constexpr.cc: Use irreflexive
793 * testsuite/25_algorithms/is_sorted/constexpr.cc: Likewise.
794 * testsuite/25_algorithms/merge/constexpr.cc: Fix order in camm. Fix
795 lambda to be irreflexive.
797 2019-09-27 Maciej W. Rozycki <macro@wdc.com>
799 * configure: Regenerate.
801 2019-09-27 Jonathan Wakely <jwakely@redhat.com>
804 * src/c++11/debug.cc (_Safe_iterator_base::_M_detach()): Load pointer
805 atomically and lock the mutex before accessing the sequence.
806 (_Safe_local_iterator_base::_M_detach()): Likewise.
807 (_Safe_iterator_base::_M_reset()): Clear _M_sequence atomically.
809 2019-09-26 Jonathan Wakely <jwakely@redhat.com>
811 * include/debug/array (to_array): Define for debug mode.
813 * include/bits/stl_pair.h (pair): Add _GLIBCXX20_CONSTEXPR to
814 piecewise construction constructor, assignment operators, and swap.
815 * include/std/tuple (pair::pair(piecewise_construct_t, tuple, tuple)):
816 Add _GLIBCXX20_CONSTEXPR.
817 (pair::pair(tuple, tuple, _Index_tuple, _Index_tuple)): Likewise.
818 * testsuite/20_util/pair/constexpr_assign.cc: New test.
819 * testsuite/20_util/pair/constexpr_swap.cc: New test.
821 * include/experimental/internet (operator==, operator<): Fix loop
822 condition to avoid reading past the end of the array.
824 * include/std/array: Remove references to profile mode.
825 * include/std/bitset: Likewise.
826 * include/std/deque: Likewise.
827 * include/std/forward_list: Likewise.
828 * include/std/list: Likewise.
829 * include/std/map: Likewise.
830 * include/std/set: Likewise.
831 * include/std/unordered_map: Likewise.
832 * include/std/unordered_set: Likewise.
833 * include/std/vector: Likewise.
834 * testsuite/17_intro/headers/c++1998/profile_mode.cc: New test.
835 * testsuite/17_intro/headers/c++2011/profile_mode.cc: New test.
837 2019-09-25 Jonathan Wakely <jwakely@redhat.com>
839 * include/bits/regex.h
840 (basic_regex::assign(const C*, size_t, flag_type)): Add default
842 * testsuite/28_regex/basic_regex/assign/char/lwg3296.cc: New test.
843 * testsuite/28_regex/basic_regex/assign/wchar_t/lwg3296.cc: New test.
845 2019-09-24 Jonathan Wakely <jwakely@redhat.com>
847 * include/std/variant (variant::index()): Remove impossible case.
850 * testsuite/util/testsuite_hooks.h
851 (conversion::iterator_to_const_iterator()): Do not return an invalid
852 iterator. Test direct-initialization and direct-list-initialization
853 as well as implicit conversion.
855 2019-09-23 Jonathan Wakely <jwakely@redhat.com>
857 PR libstdc++/91788 (partial)
858 * include/std/variant (variant::index()): Improve codegen for cases
859 where conversion to size_t already works correctly.
861 2019-09-23 Andreas Schwab <schwab@suse.de>
863 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
865 2019-09-12 Jonathan Wakely <jwakely@redhat.com>
868 * include/bits/stl_algo.h (for_each_n): Fix random access iterator
870 * testsuite/25_algorithms/for_each/for_each_n.cc: Test with random
873 2019-09-11 Jonathan Wakely <jwakely@redhat.com>
875 * python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker.__call__):
878 * testsuite/20_util/result_of/sfinae_friendly_1.cc: Add -Wno-volatile
879 for C++2a and up. Define HAS_52748_FIXED and fix incorrect tests.
880 * testsuite/tr1/3_function_objects/result_of.cc: Add -Wno-volatile
883 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
885 * include/std/type_traits (__do_common_type_impl): Implement
886 additional COND-RES(CREF(D1), CRED(D2)) condition for C++20.
887 (basic_common_reference, common_reference, common_reference_t): Define
889 * testsuite/20_util/common_reference/requirements/alias_decl.cc: New
891 * testsuite/20_util/common_reference/requirements/
892 explicit_instantiation.cc: New test.
893 * testsuite/20_util/common_reference/requirements/typedefs.cc: New
896 * include/std/charconv (to_chars): Rename to __to_chars_i. Define
897 non-template overloads for each signed and unsigned integer type and
898 char. Define deleted overload for bool (LWG 3266).
899 * testsuite/20_util/to_chars/1_neg.cc: Remove.
900 * testsuite/20_util/to_chars/3.cc: New test.
901 * testsuite/20_util/to_chars/lwg3266.cc: New test.
903 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
905 * acinclude.m4: Handle uclinux*.
906 * configure: Regenerate.
907 * configure.host: Handle uclinux*
909 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
910 Mickaël Guêné <mickael.guene@st.com>
912 * libsupc++/eh_personality.cc (get_ttype_entry): Add FDPIC
915 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
918 * testsuite/23_containers/span/get_neg.cc: Avoid ambiguity due to
919 0ul being a valid null pointer constant.
921 * include/std/type_traits (__remove_cv_t): New alias template.
922 (is_void, is_integral, is_floating_point, is_pointer)
923 (is_member_object_pointer, is_member_function_pointer, is_null_pointer)
924 (is_member_point), __is_signed_integer, __is_unsigned_integer)
925 (__make_unsigned_selector, __make_signed_selector, remove_pointer)
926 (__decay_selector): Use __remove_cv_t.
927 (remove_cv): Add partial specializations for cv-qualified types.
928 (__decay_t): New alias template.
929 (__decay_and_strip, __common_type_impl, __result_of_impl): Use
931 (__enable_if_t): Move earlier in the file.
932 (_Require): Use __enable_if_t.
933 (swap(T&, T&)): Use _Require.
934 (swap(T(&)[N])): Use __enable_if_t.
936 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
938 Implement C++20 p1424 - 'constexpr' feature macro concerns,
939 Issue 3256 - Feature testing macro for constexpr algorithms,
940 and Issue 3257 - Missing feature testing macro update from P0858.
941 * include/std/version (__cpp_lib_constexpr_algorithms): Bump value.
942 * include/bits/algorithmfwd.h: Ditto.
943 * include/std/utility: Ditto.
944 * testsuite/25_algorithms/constexpr_macro.cc: Ditto.
945 * testsuite/25_algorithms/cpp_lib_constexpr.cc: New check for
946 __cpp_lib_constexpr macro in <algorith>.
947 * testsuite/20_util/exchange/constexpr.cc: Add check for
948 __cpp_lib_constexpr macro in <utility>.
949 * testsuite/25_algorithms/adjacent_find/constexpr.cc: Remove check for
950 __cpp_lib_constexpr_algorithms.
951 * testsuite/25_algorithms/all_of/constexpr.cc: Ditto.
952 * testsuite/25_algorithms/any_of/constexpr.cc: Ditto.
953 * testsuite/25_algorithms/binary_search/constexpr.cc: Ditto.
954 * testsuite/25_algorithms/copy/constexpr.cc: Ditto.
955 * testsuite/25_algorithms/copy_backward/constexpr.cc: Ditto.
956 * testsuite/25_algorithms/copy_if/constexpr.cc: Ditto.
957 * testsuite/25_algorithms/copy_n/constexpr.cc: Ditto.
958 * testsuite/25_algorithms/count/constexpr.cc: Ditto.
959 * testsuite/25_algorithms/count_if/constexpr.cc: Ditto.
960 * testsuite/25_algorithms/equal/constexpr.cc: Ditto.
961 * testsuite/25_algorithms/equal_range/constexpr.cc: Ditto.
962 * testsuite/25_algorithms/fill/constexpr.cc: Ditto.
963 * testsuite/25_algorithms/fill_n/constexpr.cc: Ditto.
964 * testsuite/25_algorithms/find/constexpr.cc: Ditto.
965 * testsuite/25_algorithms/find_end/constexpr.cc: Ditto.
966 * testsuite/25_algorithms/find_first_of/constexpr.cc: Ditto.
967 * testsuite/25_algorithms/find_if/constexpr.cc: Ditto.
968 * testsuite/25_algorithms/find_if_not/constexpr.cc: Ditto.
969 * testsuite/25_algorithms/for_each/constexpr.cc: Ditto.
970 * testsuite/25_algorithms/generate/constexpr.cc: Ditto.
971 * testsuite/25_algorithms/generate_n/constexpr.cc: Ditto.
972 * testsuite/25_algorithms/is_heap/constexpr.cc: Ditto.
973 * testsuite/25_algorithms/is_heap_until/constexpr.cc: Ditto.
974 * testsuite/25_algorithms/is_partitioned/constexpr.cc: Ditto.
975 * testsuite/25_algorithms/is_permutation/constexpr.cc: Ditto.
976 * testsuite/25_algorithms/is_sorted/constexpr.cc: Ditto.
977 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: Ditto.
978 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: Ditto.
979 * testsuite/25_algorithms/lower_bound/constexpr.cc: Ditto.
980 * testsuite/25_algorithms/merge/constexpr.cc: Ditto.
981 * testsuite/25_algorithms/mismatch/constexpr.cc: Ditto.
982 * testsuite/25_algorithms/none_of/constexpr.cc: Ditto.
983 * testsuite/25_algorithms/partition_copy/constexpr.cc: Ditto.
984 * testsuite/25_algorithms/partition_point/constexpr.cc: Ditto.
985 * testsuite/25_algorithms/remove/constexpr.cc: Ditto.
986 * testsuite/25_algorithms/remove_copy/constexpr.cc: Ditto.
987 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: Ditto.
988 * testsuite/25_algorithms/remove_if/constexpr.cc: Ditto.
989 * testsuite/25_algorithms/replace_copy/constexpr.cc: Ditto.
990 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: Ditto.
991 * testsuite/25_algorithms/replace_if/constexpr.cc: Ditto.
992 * testsuite/25_algorithms/reverse_copy/constexpr.cc: Ditto.
993 * testsuite/25_algorithms/rotate_copy/constexpr.cc: Ditto.
994 * testsuite/25_algorithms/search/constexpr.cc: Ditto.
995 * testsuite/25_algorithms/search_n/constexpr.cc: Ditto.
996 * testsuite/25_algorithms/set_difference/constexpr.cc: Ditto.
997 * testsuite/25_algorithms/set_intersection/constexpr.cc: Ditto.
998 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: Ditto.
999 * testsuite/25_algorithms/set_union/constexpr.cc: Ditto.
1000 * testsuite/25_algorithms/transform/constexpr.cc: Ditto.
1001 * testsuite/25_algorithms/unique/constexpr.cc: Ditto.
1002 * testsuite/25_algorithms/unique_copy/constexpr.cc: Ditto.
1003 * testsuite/25_algorithms/upper_bound/constexpr.cc: Ditto.
1005 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
1007 Update docs for recent <span> and constexpr lib changes.
1008 * doc/xml/manual/status_cxx2020.xml: Update p0202r3, p0858r0, p0879r0,
1009 p1023r0, p1085r2 status.
1010 * doc/html/manual/status.html: Regenerate.
1012 2019-09-09 Antony Polukhin <antoshkka@gmail.com>
1014 * include/bits/charconv.h (__detail::__to_chars_10_impl): Replace
1015 final offsets with constants.
1017 2019-09-09 Jonathan Wakely <jwakely@redhat.com>
1019 * include/bits/range_access.h (__adl_to_address): Remove.
1020 * include/std/span (__is_base_derived_safe_convertible_v): Replace
1021 with span::__is_compatible.
1022 (__is_std_array_v): Replace with __is_std_array class template and
1023 partial specializations.
1024 (__is_std_array, __is_std_span): New class templates and partial
1026 (span::__is_compatible): New alias template for SFINAE constraints.
1027 (span::span(element_type (&)[N])): Remove redundant constraints. Do
1028 not use __adl_data to obtain a pointer.
1029 (span::span(array<value_type, N>&)): Likewise.
1030 (span::span(const array<value_type, N>&)): Likewise.
1031 [_GLIBCXX_P1394] (span::iter_reference_t, span::iterator_t)
1032 (span::iter_value_t, span::derived_from): New alias templates for
1033 SFINAE constraints, until the equivalents are supported in <concepts>
1035 [_GLIBCXX_P1394] (span::__is_compatible_iterator): New alias template
1036 for SFINAE constraints.
1037 [_GLIBCXX_P1394] (span::is_compatible_range): New class template for
1039 [_GLIBCXX_P1394] (span::span(Range&&)): Improve constraints.
1040 [_GLIBCXX_P1394] (span::span(ContiguousIterator, Sentinel)): Likewise.
1041 Use std::to_address instead of __adl_to_address.
1042 [_GLIBCXX_P1394] (span::span(ContiguousIterator, size_type)): Likewise.
1043 [!_GLIBCXX_P1394] (span::__is_compatible_container): New alias
1044 template for SFINAE constraints.
1045 [!_GLIBCXX_P1394] (span::span(Container&))
1046 (span::span(const Container&)): Improve constraints.
1047 [!_GLIBCXX_P1394] (span::span(pointer, size_type))
1048 (span::span(pointer, pointer)): Remove redundant cast of pointer.
1049 (span(const span<OType, OExtent>&)): New constructor.
1051 2019-09-06 Jonathan Wakely <jwakely@redhat.com>
1053 * include/bits/range_access.h (ssize): Define for C++20.
1054 * testsuite/24_iterators/range_access_cpp20.cc: New test.
1055 * doc/xml/manual/status_cxx2020.xml: Update P1227R2 status.
1056 * doc/html/*: Regenerate.
1058 2019-09-06 Florian Weimer <fweimer@redhat.com>
1060 * configure: Regenerate.
1062 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
1064 * doc/xml/manual/status_cxx2020.xml: Update status for P0122R7 and
1065 P1024R3. Remove entry for P0920R2.
1066 * include/std/span (__cpp_lib_span): Change value.
1067 (__extent_storage, __extent_storage<dynamic_extent>): Remove default
1069 (span): Replace __extent_storage base class with data member.
1070 (span::_S_subspan_extent): New function.
1071 (span::empty()): Add nodiscard attribute.
1072 (span::front, span::back, span::operator[]): Check preconditions.
1073 (span::first, span::last, span::subspan): Add noexcept. Improve
1074 precondition checks (LWG 3103).
1075 (get): Remove redundant condition from static_assert.
1076 (tuple_element<I, span<T, E>>): Fix static_assert message and simplify.
1077 (as_writable_bytes): Add inline specifier.
1078 * include/std/version (__cpp_lib_span): Change value.
1079 * testsuite/23_containers/span/back_neg.cc: Remove stray semi-colon.
1080 * testsuite/23_containers/span/front_neg.cc: Likewise.
1081 * testsuite/23_containers/span/index_op_neg.cc: Likewise.
1082 * testsuite/23_containers/span/last_neg.cc: Improve test.
1083 * testsuite/23_containers/span/subspan_neg.cc: Likewise.
1084 * testsuite/23_containers/span/1.cc: New test.
1085 * testsuite/23_containers/span/2.cc: New test.
1086 * testsuite/23_containers/span/back_assert_neg.cc: New test.
1087 * testsuite/23_containers/span/first_2_assert_neg.cc: New test.
1088 * testsuite/23_containers/span/first_assert_neg.cc: New test.
1089 * testsuite/23_containers/span/first_neg.cc: New test.
1090 * testsuite/23_containers/span/front_assert_neg.cc: New test.
1091 * testsuite/23_containers/span/index_op_assert_neg.cc: New test.
1092 * testsuite/23_containers/span/last_2_assert_neg.cc: New test.
1093 * testsuite/23_containers/span/last_assert_neg.cc: New test.
1094 * testsuite/23_containers/span/subspan_2_assert_neg.cc: New test.
1095 * testsuite/23_containers/span/subspan_3_assert_neg.cc: New test.
1096 * testsuite/23_containers/span/subspan_4_assert_neg.cc: New test.
1097 * testsuite/23_containers/span/subspan_5_assert_neg.cc: New test.
1098 * testsuite/23_containers/span/subspan_6_assert_neg.cc: New test.
1099 * testsuite/23_containers/span/subspan_assert_neg.cc: New test.
1101 2019-09-05 JeanHeyd Meneide <phdofthehouse@gmail.com>
1103 * include/Makefile.am: Add <span> header.
1104 * include/Makefile.in: Regenerate.
1105 * include/bits/range_access.h (__adl_begin, __adl_end, __adl_cbegin)
1106 (__adl_cend, __adl_rbegin, __adl_rend, __adl_crbegin, __adl_crend)
1107 (__adl_data, __adl_cdata, __adl_size, __adl_empty, __adl_to_address):
1108 New functions for performing argument-dependent lookup of range
1109 customization points.
1110 * include/bits/stl_iterator.h (__normal_iterator): Add
1111 _GLIBCXX20_CONSTEXPR to all functions.
1112 * include/std/span: New header.
1113 * include/std/version (__cpp_lib_span): Define feature test macro.
1114 * testsuite/23_containers/span/contiguous_range_neg.cc: New test.
1115 * testsuite/23_containers/span/everything.cc: New test.
1116 * testsuite/23_containers/span/get_neg.cc: New test.
1117 * testsuite/23_containers/span/last_neg.cc: New test.
1118 * testsuite/23_containers/span/subspan_neg.cc: New test.
1119 * testsuite/23_containers/span/tuple_element_dynamic_neg.cc: New test.
1120 * testsuite/23_containers/span/tuple_element_oob_neg.cc: New test.
1121 * testsuite/23_containers/span/tuple_size_neg.cc: New test.
1123 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
1125 * doc/xml/manual/allocator.xml: Remove URL for bibliography entry.
1126 * doc/html/*: Regenerate.
1128 2019-09-04 Mike Crowe <mac@mcrowe.com>
1131 * acinclude.m4 (GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT): Check for new
1132 pthread_cond_clockwait function.
1133 * configure.ac: Use GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT.
1134 * configure: Regenerate.
1135 * config.h.in: Regenerate.
1136 * include/std/condition_variable: (condition_variable): Rename
1137 __steady_clock_t typedef and add system_clock. Change __clock_t to be
1138 a typedef for the preferred clock to convert arbitrary other clocks to.
1139 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (wait_until): Add a steady_clock
1141 (wait_until): Change __clock_t overload to use system_clock.
1142 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (__wait_until_impl): Add
1143 steady_clock overload that calls pthread_cond_clockwait.
1144 (__wait_until_impl): Change __clock_t overload to use system_clock.
1145 (condition_variable_any) [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT]: Use
1146 steady_clock for __clock_t if pthread_cond_clockwait is available.
1148 2019-09-04 Mike Crowe <mac@mcrowe.com>
1150 * testsuite/30_threads/condition_variable/members/2.cc (test01):
1151 Parameterise so that test can be run against an arbitrary clock.
1152 (main): Test using std::chrono::steady_clock and a user-defined
1153 clock in addition to the previous std::chrono::system_clock.
1154 * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
1156 2019-09-03 Ulrich Weigand <uweigand@de.ibm.com>
1158 * crossconfig.m4: Remove references to spu.
1159 * configure: Regenerate.
1160 * doc/xml/manual/appendix_contributing.xml: Remove references
1161 to __ea as "badword" for spu.
1162 * doc/html/manual/source_code_style.html: Regenerate.
1163 * include/tr1/ell_integral.tcc (__ellint_rd): Do not attempt
1164 to avoid __ea (as "badword" for spu).
1165 (__ellint_rj): Likewise.
1167 2019-09-03 Chung-Lin Tang <cltang@codesourcery.com>
1170 * acinclude.m4 (GLIBCXX_CHECK_LINKER_FEATURES): Fix GNU ld --version
1171 scanning to conform to the GNU Coding Standards.
1172 * configure: Regenerate.
1174 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
1176 * src/c++17/memory_resource.cc: Use __constinit keyword.
1178 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
1180 * doc/xml/manual/abi.xml: Document 9.x library versions.
1181 * doc/html/*: Regenerate.
1183 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
1185 * include/std/charconv (__detail::__to_chars_2_len): Use std::log2p1.
1186 (__detail::__to_chars_8_len): Remove.
1187 (__detail::__to_chars_8): Inline length calculation here.
1188 (__detail::__from_chars_binary): Use numeric_limits instead of
1191 2019-09-02 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1193 * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
1194 * config/abi/post/i386-solaris/amd64/baseline_symbols.txt: Likewise.
1195 * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
1196 * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
1199 2019-09-01 François Dumont <fdumont@gcc.gnu.org>
1201 * testsuite_files/util/testsuite_performance.h
1202 (resource_counter::start): Ignore unused malloc(0) result.
1204 2019-09-01 Gerald Pfeifer <gerald@pfeifer.com>
1206 * doc/xml/manual/policy_data_structures_biblio.xml (COM: Component
1207 Model Object Technologies): Adjust name and link.
1209 2019-08-30 Antony Polukhin <antoshkka@gmail.com>
1211 * include/std/charconv (__detail::__to_chars_8)
1212 __detail::__to_chars_16): Replace array of precomputed digits with
1213 arithmetic operations to avoid CPU cache misses. Remove zero
1214 termination from array of digits to allow symbol merge with generic
1215 implementation of __detail::__to_chars. Replace final offsets with
1216 constants. Use __detail::__to_chars_len_2 instead of a generic
1217 __detail::__to_chars_len.
1218 (__detail::__to_chars): Remove zero termination from array of digits.
1219 (__detail::__to_chars_2): Leading digit is always '1'.
1221 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
1223 * testsuite/23_containers/vector/cons/89164_c++17.cc: Fix errors.
1225 2019-08-30 Uros Bizjak <ubizjak@gmail.com>
1227 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
1229 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
1232 * include/bits/stl_algobase.h (__copy_move): Give descriptive names
1233 to template parameters.
1234 * include/bits/stl_uninitialized.h (uninitialized_copy)
1235 (uninitialized_fill, uninitialized_fill_n): Add static assertions to
1236 diagnose invalid uses.
1237 * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
1238 Adjust expected error.
1239 * testsuite/20_util/specialized_algorithms/uninitialized_copy/89164.cc:
1241 * testsuite/20_util/specialized_algorithms/uninitialized_copy_n/
1243 * testsuite/20_util/specialized_algorithms/uninitialized_fill/89164.cc:
1245 * testsuite/20_util/specialized_algorithms/uninitialized_fill_n/
1247 * testsuite/23_containers/vector/cons/89164.cc: New test.
1248 * testsuite/23_containers/vector/cons/89164_c++17.cc: New test.
1250 2019-08-29 Jonathan Wakely <jwakely@redhat.com>
1253 * acinclude.m4 (libtool_VERSION): Bump to 6:28:0.
1254 * configure: Regenerate.
1255 * config/abi/pre/gnu.ver (GLIBCXX_3.4.28): Add new version. Export
1257 * testsuite/27_io/filesystem/iterators/91067.cc: Test move
1259 * testsuite/util/testsuite_abi.cc: Add new symbol version.
1261 2019-08-29 Jakub Jelinek <jakub@redhat.com>
1263 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
1264 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1266 2019-08-28 Jonathan Wakely <jwakely@redhat.com>
1268 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
1269 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
1270 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
1271 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
1272 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
1273 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
1274 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
1276 2019-08-23 Joseph Myers <joseph@codesourcery.com>
1278 * src/filesystem/ops-common.h [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
1279 (std::filesystem::__gnu_posix::lstat): Add return type.
1281 2019-08-20 Jonathan Wakely <jwakely@redhat.com>
1283 * doc/doxygen/user.cfg.in (INPUT): Remove profile mode headers.
1285 * include/std/numeric (reduce): Fix Doxygen markup.
1288 * include/std/type_traits (is_function): Simplify definition. Remove
1289 partial specializations for function types.
1290 (__is_referenceable): Simplify definition.
1291 * testsuite/20_util/bind/91371.cc: New test.
1292 * testsuite/20_util/is_function/91371.cc: New test.
1293 * testsuite/20_util/is_function/value.cc: Check more pointer types.
1294 * testsuite/20_util/is_member_function_pointer/91371.cc: New test.
1295 * testsuite/20_util/is_object/91371.cc: New test.
1297 2019-08-16 Uros Bizjak <ubizjak@gmail.com>
1299 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
1301 2019-08-15 Jonathan Wakely <jwakely@redhat.com>
1304 * include/bits/std_function.h (__check_func_return_type): Remove.
1305 (function::_Callable): Use std::__is_invocable_impl instead of
1306 __check_func_return_type.
1307 * include/std/type_traits (__is_invocable_impl): Add another defaulted
1308 template parameter. Define a separate partial specialization for
1309 INVOKE and INVOKE<void>. For INVOKE<R> replace is_convertible check
1310 with a check that models delayed temporary materialization.
1311 * testsuite/20_util/function/91456.cc: New test.
1312 * testsuite/20_util/is_invocable/91456.cc: New test.
1314 2019-08-14 Jonathan Wakely <jwakely@redhat.com>
1316 * include/std/type_traits (__is_nullptr_t): Add deprecated attribute.
1318 2019-08-14 Edward Smith-Rowland <3dw4rd@verizon.net>
1320 Implement C++20 p0879 - Constexpr for swap and swap related functions.
1321 * include/std/version (__cpp_lib_constexpr_swap_algorithms): New macro.
1322 * include/bits/algorithmfwd.h (__cpp_lib_constexpr_swap_algorithms):
1324 (iter_swap, make_heap, next_permutation, partial_sort_copy, pop_heap)
1325 (prev_permutation, push_heap, reverse, rotate, sort_heap, swap)
1326 (swap_ranges, nth_element, partial_sort, sort): Add constexpr.
1327 * include/bits/move.h (swap): Add constexpr.
1328 * include/bits/stl_algo.h (__move_median_to_first, __reverse, reverse)
1329 (__gcd, __rotate, rotate, __partition, __heap_select)
1330 (__partial_sort_copy, partial_sort_copy, __unguarded_partition)
1331 (__unguarded_partition_pivot, __partial_sort, __introsort_loop, __sort)
1332 (__introselect, __chunk_insertion_sort, next_permutation)
1333 (prev_permutation, partition, partial_sort, nth_element, sort)
1334 (__iter_swap::iter_swap, iter_swap, swap_ranges): Add constexpr.
1335 * include/bits/stl_algobase.h (__iter_swap::iter_swap, iter_swap)
1336 (swap_ranges): Add constexpr.
1337 * include/bits/stl_heap.h (__push_heap, push_heap, __adjust_heap,
1338 __pop_heap, pop_heap, __make_heap, make_heap, __sort_heap, sort_heap):
1340 * include/std/type_traits (swap): Add constexpr.
1341 * testsuite/25_algorithms/headers/algorithm/synopsis.cc: Add constexpr.
1342 * testsuite/25_algorithms/iter_swap/constexpr.cc: New test.
1343 * testsuite/25_algorithms/make_heap/constexpr.cc: New test.
1344 * testsuite/25_algorithms/next_permutation/constexpr.cc: New test.
1345 * testsuite/25_algorithms/nth_element/constexpr.cc: New test.
1346 * testsuite/25_algorithms/partial_sort/constexpr.cc: New test.
1347 * testsuite/25_algorithms/partial_sort_copy/constexpr.cc: New test.
1348 * testsuite/25_algorithms/partition/constexpr.cc: New test.
1349 * testsuite/25_algorithms/pop_heap/constexpr.cc: New test.
1350 * testsuite/25_algorithms/prev_permutation/constexpr.cc: New test.
1351 * testsuite/25_algorithms/push_heap/constexpr.cc: New test.
1352 * testsuite/25_algorithms/reverse/constexpr.cc: New test.
1353 * testsuite/25_algorithms/rotate/constexpr.cc: New test.
1354 * testsuite/25_algorithms/sort/constexpr.cc: New test.
1355 * testsuite/25_algorithms/sort_heap/constexpr.cc: New test.
1356 * testsuite/25_algorithms/swap/constexpr.cc: New test.
1357 * testsuite/25_algorithms/swap_ranges/constexpr.cc: New test.
1359 2019-08-12 Jonathan Wakely <jwakely@redhat.com>
1362 * src/c++17/string-inst.cc: Use _GLIBCXX_USE_CXX11_ABI=1 by default.
1364 * include/std/tuple (__unpack_std_tuple): New variable template and
1365 partial specializations.
1366 (apply, make_from_tuple): Add noexcept-specifier.
1367 * testsuite/20_util/tuple/apply/2.cc: New test.
1368 * testsuite/20_util/tuple/make_from_tuple/2.cc: New test.
1370 2019-08-09 Corentin Gay <gay@adacore.com>
1372 * testsuite/ext/random/beta_distribution/operators/serialize.cc,
1373 testsuite/ext/random/hypergeometric_distribution/operators/serialize.cc,
1374 testsuite/ext/random/normal_mv_distribution/operators/serialize.cc,
1375 testsuite/ext/random/triangular_distribution/operators/serialize.cc,
1376 testsuite/ext/random/von_mises_distribution/operators/serialize.cc:
1377 Add call to `VERIFY`.
1379 2019-08-09 Alexandre Oliva <oliva@adacore.com>
1381 * include/ext/random
1382 (normal_mv_distribution::param_type::param_type): New private
1383 ctor taking a decomposed varcov matrix, for use by...
1384 (operator>>): ... this, befriended.
1385 * include/ext/random.tcc (operator>>): Use it.
1386 (normal_mv_distribution::param_type::_M_init_lower): Adjust
1387 member function name in exception message.
1389 2019-08-08 Jonathan Wakely <jwakely@redhat.com>
1391 P0325R4 to_array from LFTS with updates
1392 * include/experimental/array (to_array): Qualify call to __to_array.
1393 * include/std/array (__cpp_lib_to_array, to_array): Define for C++20.
1394 * include/std/version (__cpp_lib_to_array): Likewise.
1395 * testsuite/23_containers/array/creation/1.cc: New test.
1396 * testsuite/23_containers/array/creation/2.cc: New test.
1397 * testsuite/23_containers/array/creation/3_neg.cc: New test.
1398 * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
1399 Use zero for dg-error line number.
1401 2019-08-06 Jonathan Wakely <jwakely@redhat.com>
1403 P1651R0 bind_front should not unwrap reference_wrapper
1404 * include/std/functional (bind_front): Don't unwrap reference_wrapper.
1405 * include/std/version (__cpp_lib_bind_front): Update value.
1406 * testsuite/20_util/function_objects/bind_front/1.cc: Fix test for
1408 * testsuite/20_util/function_objects/bind_front/2.cc: New test.
1410 * include/std/numbers [!__STRICT_ANSI__ && _GLIBCXX_USE_FLOAT128]
1411 (e_v, log2e_v, log10e_v, pi_v, inv_pi_v, inv_sqrtpi_v, ln2_v, ln10_v)
1412 (sqrt2_v, sqrt3_v, inv_sqrt3, egamma_v, phi_v): Add explicit
1413 specializations for __float128.
1414 * testsuite/26_numerics/numbers/float128.cc: New test.
1416 2019-08-04 Gerald Pfeifer <gerald@pfeifer.com>
1418 * doc/xml/manual/documentation_hacking.xml: doxygen.org is now
1421 2019-08-01 Edward Smith-Rowland <3dw4rd@verizon.net>
1423 Implement C++20 p0202 - Add Constexpr Modifiers to Functions
1424 in <algorithm> and <utility> Headers.
1425 Implement C++20 p1023 - constexpr comparison operators for std::array.
1426 * include/bits/algorithmfwd.h (all_of, any_of, binary_search, copy,
1427 copy_backward, copy_if, copy_n, equal_range, fill, find_end,
1428 find_if_not, includes, is_heap, is_heap_until, is_partitioned,
1429 is_permutation, is_sorted, is_sorted_until, iter_swap, lower_bound,
1430 none_of, partition_copy, partition_point, remove, remove_if,
1431 remove_copy, remove_copy_if, replace_copy, replace_copy_if,
1432 reverse_copy, rotate_copy, uunique, upper_bound, adjacent_find, count,
1433 count_if, equal, find, find_first_of, find_if, for_each, generate,
1434 generate_n, lexicographical_compare, merge, mismatch, replace,
1435 replace_if, search, search_n, set_difference, set_intersection,
1436 set_symmetric_difference, set_union, transform, unique_copy):
1438 * include/bits/cpp_type_traits.h (__miter_base): Mark constexpr.
1439 * include/bits/predefined_ops.h (_Iter_less_val::operator(),
1440 _Val_less_iter::operator(), _Iter_equal_to_iter::operator(),
1441 _Iter_equal_to_val::operator(), _Iter_equals_val::operator()):
1442 Use const ref instead of ref arg;
1443 (_Iter_less_val, __iter_less_val, _Val_less_iter, __val_less_iter,
1444 __iter_equal_to_iter, __iter_equal_to_val, __iter_comp_val,
1445 _Iter_comp_val, _Val_comp_iter, __val_comp_iter, __iter_equals_val,
1446 _Iter_equals_iter, __iter_comp_iter, _Iter_pred, __pred_iter,
1447 _Iter_comp_to_val, __iter_comp_val, _Iter_comp_to_iter,
1448 __iter_comp_iter): Mark constexpr.
1449 * include/bits/stl_algo.h (__find_if, __find_if_not, __find_if_not_n,
1450 __search, __search_n_aux, __search_n, __find_end, find_end, all_of,
1451 none_of, any_of, find_if_not, is_partitioned, partition_point,
1452 __remove_copy_if, remove_copy, remove_copy_if, copy_if, __copy_n,
1453 copy_n, partition_copy, __remove_if, remove, remove_if, __adjacent_find,
1454 __unique, unique, __unique_copy, reverse_copy, rotate_copy,
1455 __unguarded_linear_insert, __insertion_sort, __unguarded_insertion_sort,
1456 __final_insertion_sort, lower_bound, __upper_bound, upper_bound,
1457 __equal_range, equal_range, binary_search, __includes, includes,
1458 __next_permutation, __prev_permutation, __replace_copy_if, replace_copy,
1459 replace_copy_if, __count_if, is_sorted, __is_sorted_until,
1460 is_sorted_until, __is_permutation, is_permutation, for_each, find,
1461 find_if, find_first_of, adjacent_find, count, count_if, search,
1462 search_n, transform, replace, replace_if, generate, generate_n,
1463 unique_copy, __merge, merge, __set_union, set_union, __set_intersection,
1464 set_intersection, __set_difference, set_difference,
1465 __set_symmetric_difference, set_symmetric_difference): Mark constexpr.
1466 * include/bits/stl_algobase.h (__memmove, __memcmp): New maybe constexpr
1467 wrappers around __builtin_memmove and __builtin_memcmp
1469 (__niter_base, __niter_wrap, __copy_m, __copy_move_a, __copy_move_a2,
1470 copy, move, __copy_move_b, __copy_move_backward_a,
1471 __copy_move_backward_a2, copy_backward, move_backward, __fill_a, fill,
1472 __fill_n_a, fill_n, equal, __lc_rai::__newlast1, __lc_rai::__cnd2,
1473 __lexicographical_compare_impl, __lexicographical_compare,
1474 __lexicographical_compare<true>::__lc, __lexicographical_compare_aux,
1475 __lower_bound, lower_bound, equal, __equal4, lexicographical_compare,
1476 __mismatch, mismatch, __is_heap_until, __is_heap, is_heap_until,
1477 is_heap): Mark constexpr.
1478 * include/bits/stl_heap.h (__is_heap_until, __is_heap, is_heap_until,
1479 is_heap): Mark constexpr.
1480 * include/bits/stl_iterator.h (__niter_base, __miter_base): Mark constexpr.
1481 * include/std/array: Make comparison ops constexpr.
1482 * include/std/utility: Make exchange constexpr.
1483 * include/std/version (__cpp_lib_constexpr_algorithms): New macro.
1484 * testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust.
1485 * testsuite/23_containers/array/tuple_interface/
1486 tuple_element_neg.cc: Adjust.
1487 * testsuite/20_util/exchange/constexpr.cc: New.
1488 * testsuite/23_containers/array/comparison_operators/constexpr.cc: New.
1489 * testsuite/25_algorithms/constexpr_macro.cc: New.
1490 * testsuite/25_algorithms/adjacent_find/constexpr.cc: New.
1491 * testsuite/25_algorithms/all_of/constexpr.cc: New.
1492 * testsuite/25_algorithms/any_of/constexpr.cc: New.
1493 * testsuite/25_algorithms/binary_search/constexpr.cc: New.
1494 * testsuite/25_algorithms/copy/constexpr.cc: New.
1495 * testsuite/25_algorithms/copy_backward/constexpr.cc: New.
1496 * testsuite/25_algorithms/copy_if/constexpr.cc: New.
1497 * testsuite/25_algorithms/copy_n/constexpr.cc: New.
1498 * testsuite/25_algorithms/count/constexpr.cc: New.
1499 * testsuite/25_algorithms/count_if/constexpr.cc: New.
1500 * testsuite/25_algorithms/equal/constexpr.cc: New.
1501 * testsuite/25_algorithms/equal_range/constexpr.cc: New.
1502 * testsuite/25_algorithms/fill/constexpr.cc: New.
1503 * testsuite/25_algorithms/fill_n/constexpr.cc: New.
1504 * testsuite/25_algorithms/find/constexpr.cc: New.
1505 * testsuite/25_algorithms/find_end/constexpr.cc: New.
1506 * testsuite/25_algorithms/find_first_of/constexpr.cc: New.
1507 * testsuite/25_algorithms/find_if/constexpr.cc: New.
1508 * testsuite/25_algorithms/find_if_not/constexpr.cc: New.
1509 * testsuite/25_algorithms/for_each/constexpr.cc: New.
1510 * testsuite/25_algorithms/generate/constexpr.cc: New.
1511 * testsuite/25_algorithms/generate_n/constexpr.cc: New.
1512 * testsuite/25_algorithms/is_heap/constexpr.cc: New.
1513 * testsuite/25_algorithms/is_heap_until/constexpr.cc: New.
1514 * testsuite/25_algorithms/is_partitioned/constexpr.cc: New.
1515 * testsuite/25_algorithms/is_permutation/constexpr.cc: New.
1516 * testsuite/25_algorithms/is_sorted/constexpr.cc: New.
1517 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: New.
1518 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: New.
1519 * testsuite/25_algorithms/lower_bound/constexpr.cc: New.
1520 * testsuite/25_algorithms/merge/constexpr.cc: New.
1521 * testsuite/25_algorithms/mismatch/constexpr.cc: New.
1522 * testsuite/25_algorithms/none_of/constexpr.cc: New.
1523 * testsuite/25_algorithms/partition_copy/constexpr.cc: New.
1524 * testsuite/25_algorithms/partition_point/constexpr.cc: New.
1525 * testsuite/25_algorithms/remove/constexpr.cc: New.
1526 * testsuite/25_algorithms/remove_copy/constexpr.cc: New.
1527 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: New.
1528 * testsuite/25_algorithms/remove_if/constexpr.cc: New.
1529 * testsuite/25_algorithms/replace_copy/constexpr.cc: New.
1530 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: New.
1531 * testsuite/25_algorithms/replace_if/constexpr.cc: New.
1532 * testsuite/25_algorithms/reverse_copy/constexpr.cc: New.
1533 * testsuite/25_algorithms/rotate_copy/constexpr.cc: New.
1534 * testsuite/25_algorithms/search/constexpr.cc: New.
1535 * testsuite/25_algorithms/search_n/constexpr.cc: New.
1536 * testsuite/25_algorithms/set_difference/constexpr.cc: New.
1537 * testsuite/25_algorithms/set_intersection/constexpr.cc: New.
1538 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: New.
1539 * testsuite/25_algorithms/set_union/constexpr.cc: New.
1540 * testsuite/25_algorithms/transform/constexpr.cc: New.
1541 * testsuite/25_algorithms/unique/constexpr.cc: New.
1542 * testsuite/25_algorithms/unique_copy/constexpr.cc: New.
1543 * testsuite/25_algorithms/upper_bound/constexpr.cc: New.
1545 2019-07-31 Jonathan Wakely <jwakely@redhat.com>
1547 * include/std/memory (make_obj_using_allocator): Qualify call to
1548 uses_allocator_construction_args.
1550 P0631R4 Math Constants
1551 * include/Makefile.am: Add new header.
1552 * include/Makefile.in: Regenerate.
1553 * include/precompiled/stdc++.h: Include new header.
1554 * include/std/numbers: New header.
1555 * include/std/version (__cpp_lib_math_constants): Define.
1556 * testsuite/26_numerics/numbers/1.cc: New test.
1557 * testsuite/26_numerics/numbers/2.cc: New test.
1558 * testsuite/26_numerics/numbers/3.cc: New test.
1559 * testsuite/26_numerics/numbers/nonfloat_neg.cc: New test.
1561 * include/std/bit: Add Doxygen comments.
1564 * include/bits/unique_ptr.h (unique_ptr::__safe_conversion_up): Remove
1565 constraints on deleter that should only apply to the constructor.
1566 (unique_ptr<T[], D>::__safe_conversion_up): Likewise.
1567 (unique_ptr<T[], D>::unique_ptr(unique_ptr<U, D>&&)): Restore
1568 constraints on deleter here.
1569 * testsuite/20_util/unique_ptr/assign/91308.cc: New test.
1571 2019-07-29 Jonathan Wakely <jwakely@redhat.com>
1574 * libsupc++/cxxabi.h (__gnu_cxx::recursive_init_error): Do not define
1576 * libsupc++/guard_error.cc (__gnu_cxx::recursive_init_error): Define
1578 * testsuite/18_support/51333.cc: New test.
1580 2019-07-28 Gerald Pfeifer <gerald@pfeifer.com>
1582 * doc/xml/manual/documentation_hacking.xml: Fix broken reference
1583 to the Doxygen manual. Avoid a "here" link on the way.
1584 Fix another broken link to Doxygen docblocks.
1586 2019-07-26 Jonathan Wakely <jwakely@redhat.com>
1588 * include/std/bit (__cpp_lib_endian): Define.
1589 * include/std/version (__cpp_lib_endian): Define.
1590 * testsuite/26_numerics/endian/2.cc: New.
1591 * testsuite/26_numerics/endian/3.cc: New.
1592 * testsuite/26_numerics/endian/4.cc: New.
1594 2019-07-26 François Dumont <fdumont@gcc.gnu.org>
1596 * testsuite/util/testsuite_iterators.h
1597 (bidirectional_iterator_wrapper): Fix type comment.
1598 (random_access_iterator_wrapper): Likewise.
1600 2019-07-25 Jonathan Wakely <jwakely@redhat.com>
1602 * include/std/bit (endian): Move definition here as per P1612R1.
1603 * include/std/type_traits (endian): Remove definition from here.
1604 * testsuite/20_util/endian/1.cc: Rename to ...
1605 * testsuite/26_numerics/endian/1.cc: ... here. Adjust header.
1607 2019-07-25 Martin Liska <mliska@suse.cz>
1608 Dominik Infuhr <dominik.infuehr@theobroma-systems.com>
1611 * testsuite/ext/bitmap_allocator/check_delete.cc: Add
1612 -fno-allocation-dce.
1613 * testsuite/ext/bitmap_allocator/check_new.cc: Likewise.
1614 * testsuite/ext/new_allocator/check_delete.cc: Likewise.
1615 * testsuite/ext/new_allocator/check_new.cc: Likewise.
1617 2019-07-22 Jonathan Wakely <jwakely@redhat.com>
1619 * testsuite/26_numerics/bit/bitops.count/*: Rename to ...
1620 * testsuite/26_numerics/bit/bit.count/*: Here.
1622 * include/std/bit (__rotl, __rotr): Change second parameter from
1623 unsigned int to int and handle negative values.
1624 (rotl, rotr): Remove check for __STRICT_ANSI__. Change second
1625 parameter from unsigned int to int. Add nodiscard attribute.
1626 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Rename to ...
1627 * testsuite/26_numerics/bit/bit.rotate/rotl.cc: Here. Test negative
1629 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Rename to ...
1630 * testsuite/26_numerics/bit/bit.rotate/rotr.cc: Here. Test negative
1633 * include/std/bit (__ceil2): Make unrepresentable results undefined,
1634 as per P1355R2. Add debug assertion. Perform one left shift, not two,
1635 so that out of range values cause undefined behaviour. Ensure that
1636 shift will still be undefined if left operand is promoted.
1637 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Replace checks for
1638 unrepresentable values with checks that they are not core constant
1640 * testsuite/26_numerics/bit/bit.pow.two/ceil2_neg.cc: New test.
1642 2019-07-19 François Dumont <fdumont@gcc.gnu.org>
1644 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): Fix
1645 sized deallocation size computation.
1647 2019-07-19 Andreas Schwab <schwab@linux-m68k.org>
1649 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
1651 2019-07-18 François Dumont <fdumont@gcc.gnu.org>
1653 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): New.
1654 (~_Temporary_buffer()): Use latter.
1655 (_Temporary_buffer(_FIterator, size_type)): Likewise.
1657 2019-07-17 Andreas Schwab <schwab@suse.de>
1659 * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
1661 2019-07-16 Jason Merrill <jason@redhat.com>
1663 * include/std/memory (uses_allocator_construction_args): Add parens
1666 2019-07-12 Jonathan Wakely <jwakely@redhat.com>
1668 * testsuite/29_atomics/atomic_float/1.cc: Fix comment.
1670 * include/experimental/string_view (__detail::__idt): Remove.
1671 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1672 Use __type_identity_t instead of __detail::__idt;
1673 * include/std/string_view (__detail::__idt): Remove.
1674 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1675 Use __type_identity_t instead of __detail::__idt;
1676 * include/std/type_traits (__type_identity_t): New alias template.
1678 * doc/xml/manual/status_cxx2020.xml: Update status for atomic_ref
1679 and floating point atomics.
1681 2019-07-11 Jonathan Wakely <jwakely@redhat.com>
1683 * doc/xml/manual/configure.xml: Improve documentation of
1684 --enable-libstdcxx-time option.
1686 * include/bits/atomic_base.h (__atomic_impl): New namespace for
1687 wrappers around atomic built-ins.
1688 (__atomic_float, __atomic_ref): New class templates for use as base
1690 * include/std/atomic (atomic<float>, atomic<double>)
1691 (atomic<long double>): New explicit specializations.
1692 (atomic_ref): New class template.
1693 (__cpp_lib_atomic_ref): Define.
1694 * include/std/version (__cpp_lib_atomic_ref): Define.
1695 * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error.
1696 * testsuite/29_atomics/atomic_float/1.cc: New test.
1697 * testsuite/29_atomics/atomic_float/requirements.cc: New test.
1698 * testsuite/29_atomics/atomic_ref/deduction.cc: New test.
1699 * testsuite/29_atomics/atomic_ref/float.cc: New test.
1700 * testsuite/29_atomics/atomic_ref/generic.cc: New test.
1701 * testsuite/29_atomics/atomic_ref/integral.cc: New test.
1702 * testsuite/29_atomics/atomic_ref/pointer.cc: New test.
1703 * testsuite/29_atomics/atomic_ref/requirements.cc: New test.
1705 2019-07-06 Jonathan Wakely <jwakely@redhat.com>
1707 * include/ext/atomicity.h (__exchange_and_add, __atomic_add): Replace
1708 throw() with _GLIBCXX_NOTHROW.
1709 (__atomic_add_dispatch): Return after performing atomic increment.
1711 2019-07-05 Jonathan Wakely <jwakely@redhat.com>
1713 * include/ext/atomicity.h [_GLIBCXX_ATOMIC_BUILTINS] (__atomic_add)
1714 (__exchange_and_add): Replace static specifier with always_inline
1716 (__exchange_and_add_single, __atomic_add_single): Likewise.
1717 (__exchange_and_add_dispatch, __atomic_add_dispatch): Likewise. Also
1718 combine !__gthread_active_p() and !__GTHREADS branches.
1720 2019-07-03 Jonathan Wakely <jwakely@redhat.com>
1723 * acinclude.m4 (libtool_VERSION): Bump to 6:27:0.
1724 * configure: Regenerate.
1725 * config/abi/pre/gnu.ver (GLIBCXX_3.4.27): Add new version. Export
1727 * testsuite/27_io/filesystem/iterators/91067.cc: New test.
1728 * testsuite/util/testsuite_abi.cc: Add new symbol version.
1730 2019-07-02 Jonathan Wakely <jwakely@redhat.com>
1732 * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_LAUNDER)
1733 (_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED): Use __has_builtin
1734 instead of __is_identifier to detect Clang support.
1736 2019-07-02 Jim Wilson <jimw@sifive.com>
1738 * configure.ac (BUILD_PDF): Also test for doxygen, dot, xsltproc,
1740 * configure: Regenerate.
1742 2019-06-27 Jonathan Wakely <jwakely@redhat.com>
1745 * src/c++17/fs_path.cc (filesystem_error::_Impl): Use a string_view
1746 for the what_arg parameters.
1747 (filesystem_error::filesystem_error): Pass system_error::what() to
1748 the _Impl constructor.
1749 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Ensure that
1750 filesystem_error::what() contains system_error::what().
1752 2019-06-26 Jonathan Wakely <jwakely@redhat.com>
1754 * include/std/charconv (chars_format): Define bitmask type.
1755 * testsuite/20_util/to_chars/chars_format.cc: New test.
1757 * include/bits/fs_path.h (path::__is_encoded_char): Use __is_one_of.
1758 * include/std/bit (_If_is_unsigned_integer_type): Remove.
1759 (_If_is_unsigned_integer): Use __is_unsigned_integer.
1760 (rotl(byte, unsigned), rotr(byte, unsigned), countl_zero(byte))
1761 (countl_one(byte), countr_zero(byte), countr_one(byte))
1762 (popcount(byte), ispow2(byte), ceil2(byte), floor2(byte))
1763 (log2p1(byte)): Remove.
1764 * include/std/charconv (__detail::__is_one_of): Move to <type_traits>.
1765 (__detail::__is_int_to_chars_type): Remove.
1766 (__detail::__integer_to_chars_result_type): Use __is_signed_integer
1767 and __is_unsigned_integer.
1768 * include/std/type_traits (__is_one_of): Move here from <charconv>.
1769 (__is_signed_integer, __is_unsigned_integer): New helpers.
1770 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Remove test for
1772 * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: Likewise.
1773 * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: Likewise.
1774 * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: Likewise.
1775 * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Likewise.
1776 * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
1777 * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
1778 * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
1779 * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
1780 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Likewise.
1781 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Likewise.
1783 2019-06-25 Jonathan Wakely <jwakely@redhat.com>
1785 * include/std/numeric (midpoint(T, T)): Avoid std::abs in constexpr
1788 2019-06-25 Jakub Jelinek <jakub@redhat.com>
1790 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
1791 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
1792 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
1793 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
1795 2019-06-24 Jonathan Wakely <jwakely@redhat.com>
1797 * include/std/numeric (midpoint(T, T)): Change implementation for
1798 floating-point types to avoid incorrect rounding of denormals.
1799 * testsuite/26_numerics/midpoint/floating.cc: Add check for correct
1800 rounding with denormals.
1801 * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line numbers.
1802 * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
1804 * testsuite/18_support/headers/cfloat/values_c++17.cc: New test.
1806 2019-06-20 Jonathan Wakely <jwakely@redhat.com>
1808 * acinclude.m4 (GLIBCXX_ENABLE_DEBUG): Only do debug build for final
1810 * configure: Regenerate.
1812 * include/std/variant (_Variant_storage, _Extra_visit_slot_needed):
1813 Qualify calls to __never_valueless.
1815 * doc/xml/manual/status_cxx2017.xml: Fix outdated reference to
1816 C++17 working draft.
1818 * testsuite/libstdc++-prettyprinters/simple.cc: Use non-palindromic
1819 vector<bool> for test.
1820 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1822 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
1824 * include/bits/stream_iterator.h (istream_iterator::_M_equal()): Make
1826 (istream_iterator::_M_read()): Do not check stream state before
1827 attempting extraction. Set stream pointer to null when extraction
1829 (operator==(const istream_iterator&, const istream_iterator&)): Change
1830 to be a hidden friend of istream_iterator.
1831 (operator!=(const istream_iterator&, const istream_iterator&)):
1833 (ostream_iterator::ostream_iterator()): Add default constructor.
1834 (ostream_iterator::ostream_iterator(ostream_type*, const C*)): Use
1836 * testsuite/24_iterators/istream_iterator/1.cc: New test.
1837 * testsuite/24_iterators/ostream_iterator/1.cc: New test.
1838 * testsuite/24_iterators/ostream_iterator/70766.cc: Also check
1839 constructor taking a string.
1840 * testsuite/24_iterators/ostream_iterator/requirements/constexpr.cc:
1843 2019-06-19 Michael Weghorn <m.weghorn@posteo.de>
1844 Jonathan Wakely <jwakely@redhat.com>
1847 * python/libstdcxx/v6/printers.py (StdVectorPrinter._iterator): Use
1848 values of type bool for vector<bool> elements.
1849 * testsuite/libstdc++-prettyprinters/simple.cc: Test vector<bool>.
1850 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1852 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
1854 PR libstdc++/90920 partially revert r263433
1855 * include/bits/stl_algo.h (__rotate): Restore checks for empty ranges.
1856 (rotate): Remove checks.
1857 * testsuite/25_algorithms/rotate/90920.cc: New test.
1859 * include/std/numeric (reduce(Iter, Iter, T, BinOp)): Fix value
1860 category used in invocable check.
1861 (reduce(Iter, Iter, T)): Pass initial value as rvalue.
1862 * testsuite/26_numerics/reduce/2.cc: New test.
1864 2019-06-18 Jonathan Wakely <jwakely@redhat.com>
1866 * include/bits/algorithmfwd.h: Change title of doc group.
1867 * include/bits/stl_algo.h (for_each_n): Add new C++17 algorithm from
1869 * include/bits/stl_numeric.h: Define doc group and add algos to it.
1870 * include/std/numeric (__is_random_access_iter): New internal trait.
1871 (reduce, transform_reduce, exclusive_scan, inclusive_scan)
1872 (transform_exclusive_scan, transform_inclusive_scan): Likewise.
1873 * testsuite/25_algorithms/for_each/for_each_n.cc: New test.
1874 * testsuite/26_numerics/exclusive_scan/1.cc: New test.
1875 * testsuite/26_numerics/inclusive_scan/1.cc: New test.
1876 * testsuite/26_numerics/reduce/1.cc: New test.
1877 * testsuite/26_numerics/transform_exclusive_scan/1.cc: New test.
1878 * testsuite/26_numerics/transform_inclusive_scan/1.cc: New test.
1879 * testsuite/26_numerics/transform_reduce/1.cc: New test.
1880 * testsuite/util/testsuite_iterators.h (test_container::size()): New
1883 * include/c_global/cstddef (std::byte): Perform arithmetic operations
1884 in unsigned int to avoid promotion (LWG 2950).
1886 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1888 * testsuite/20_util/allocator/1.cc: Add sized delete, which fixes a
1891 * include/c_global/cmath (__lerp, lerp): Add noexcept (LWG 3201).
1893 PR libstdc++/90281 Fix string conversions for filesystem::path
1894 * include/bits/fs_path.h (u8path) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
1895 Use codecvt_utf8_utf16 instead of codecvt_utf8. Use
1896 __str_codecvt_in_all to fail for partial conversions and throw on
1898 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS && _GLIBCXX_USE_CHAR8_T]
1899 (path::_Cvt<char8_t>): Add explicit specialization.
1900 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Remove
1902 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1903 if-constexpr instead of dispatching to _S_wconvert. Use codecvt
1904 instead of codecvt_utf8. Use __str_codecvt_in_all and
1905 __str_codecvt_out_all.
1906 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1907 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1908 (path::_S_str_convert) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1909 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1910 with allocator. Use __str_codecvt_out_all. Fallthrough to POSIX code
1911 after converting to UTF-8.
1912 (path::_S_str_convert): Use codecvt instead of codecvt_utf8. Use
1913 __str_codecvt_in_all.
1914 (path::string): Fix initialization of string types with different
1916 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1917 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1918 * include/bits/locale_conv.h (__do_str_codecvt): Reorder static and
1920 (__str_codecvt_out_all, __str_codecvt_in_all): New functions that
1921 return false for partial conversions.
1922 * include/experimental/bits/fs_path.h (u8path):
1923 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Implement correctly for mingw.
1924 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Add
1925 missing handling for char8_t. Use codecvt and codecvt_utf8_utf16
1926 instead of codecvt_utf8. Use __str_codecvt_in_all and
1927 __str_codecvt_out_all.
1928 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1929 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1930 (path::string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1931 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1932 with allocator. Use __str_codecvt_out_all and __str_codecvt_in_all.
1933 (path::string) [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1934 __str_codecvt_in_all.
1935 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1936 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1937 * src/c++17/fs_path.cc (path::_S_convert_loc): Use
1938 __str_codecvt_in_all.
1939 * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
1940 * testsuite/27_io/filesystem/path/construct/90281.cc: New test.
1941 * testsuite/27_io/filesystem/path/factory/u8path.cc: New test.
1942 * testsuite/27_io/filesystem/path/native/string.cc: Test with empty
1943 strings and with Unicode characters outside the basic multilingual
1945 * testsuite/27_io/filesystem/path/native/alloc.cc: New test.
1946 * testsuite/experimental/filesystem/path/construct/90281.cc: New test.
1947 * testsuite/experimental/filesystem/path/factory/u8path.cc: New test.
1948 * testsuite/experimental/filesystem/path/native/alloc.cc: New test.
1949 * testsuite/experimental/filesystem/path/native/string.cc: Test with
1950 empty strings and with Unicode characters outside the basic
1953 2019-06-17 François Dumont <fdumont@gcc.gnu.org>
1954 Jonathan Wakely <jwakely@redhat.com>
1956 * include/bits/hashtable.h (struct _Hashtable::_Scoped_node): New type.
1957 (_Hashtable::_M_insert_unique_node): Add key_type parameter. Don't
1958 deallocate node if insertion fails.
1959 (_Hashtable::_M_insert_multi_node): Likewise.
1960 (_Hashtable::_M_reinsert_node): Pass additional key argument.
1961 (_Hashtable::_M_reinsert_node_multi): Likewise. Remove FIXME.
1962 (_Hashtable::_M_extract_node(size_t, __node_base*)): New function.
1963 (_Hashtable::extract(const_iterator)): Use _M_extract_node.
1964 (_Hashtable::extract(const _Key&)): Likewise.
1965 (_Hashtable::_M_merge_unique): Pass additional key argument.
1966 (_Hashtable::_M_emplace<Args>(true_type, Args&&...)): Likewise. Use
1968 (_Hashtable::_M_insert): Likewise.
1969 * include/bits/hashtable_policy.h (_Map_base::operator[]): Likewise.
1970 (_Hashtable_alloc): Add comments to functions with misleading names.
1972 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1974 * testsuite/20_util/bad_function_call/what.cc: Include <string> header
1976 * testsuite/20_util/shared_ptr/cons/weak_ptr_expired.cc: Likewise.
1977 * testsuite/20_util/tuple/cons/allocator_with_any.cc: Include <memory>
1978 header for std::allocator.
1979 * testsuite/23_containers/array/tuple_interface/tuple_element.cc: Add
1980 using-declaration for std::size_t.
1981 * testsuite/23_containers/array/tuple_interface/tuple_size.cc:
1983 * testsuite/23_containers/deque/cons/55977.cc: Include <istream> for
1985 * testsuite/23_containers/vector/cons/55977.cc: Likewise.
1986 * testsuite/experimental/map/erasure.cc: Include <string> for
1988 * testsuite/experimental/unordered_map/erasure.cc: Likewise.
1990 2019-06-14 Jonathan Wakely <jwakely@redhat.com>
1992 * include/experimental/type_traits (experimental::nonesuch): Use
1993 pragma to disable -Wctor-dtor-privacy warnings.
1994 * include/std/type_traits (__is_convertible_helper<From, To, false>)
1995 (__is_nt_convertible_helper<From, To, false>, __nonesuch): Likewise.
1997 * include/std/version (__cpp_lib_bind_front): Add missing macro.
1999 2019-06-12 Jonathan Wakely <jwakely@redhat.com>
2001 * include/std/algorithm (__cpp_lib_parallel_algorithm): Fix value.
2002 * include/std/memory (__cpp_lib_parallel_algorithm): Likewise.
2003 * include/std/numeric (__cpp_lib_parallel_algorithm): Likewise.
2004 * testsuite/25_algorithms/pstl/feature_test.cc: New test.
2006 * include/std/variant (get<T>, get<N>, get_if<N>, get_if<T>)
2007 (variant::emplace): Change static_assert messages from "should be"
2009 (hash<monostate>::operator()): Remove name of unused parameter.
2011 * include/std/mutex (scoped_lock::~scoped_lock()): Use fold
2014 * include/Makefile.am: Add new <bits/charconv.h> header.
2015 * include/Makefile.in: Regenerate.
2016 * include/bits/basic_string.h (to_string(int), to_string(unsigned))
2017 (to_string(long), to_string(unsigned long), to_string(long long))
2018 (to_string(unsigned long long)): Rewrite to use __to_chars_10_impl.
2019 * include/bits/charconv.h: New header.
2020 (__detail::__to_chars_len): Move here from <charconv>.
2021 (__detail::__to_chars_10_impl): New function extracted from
2022 __detail::__to_chars_10.
2023 * include/std/charconv (__cpp_lib_to_chars): Add, but comment out.
2024 (__to_chars_unsigned_type): New class template that reuses
2025 __make_unsigned_selector_base::__select to pick a type.
2026 (__unsigned_least_t): Redefine as __to_chars_unsigned_type<T>::type.
2027 (__detail::__to_chars_len): Move to new header.
2028 (__detail::__to_chars_10): Add inline specifier. Move code doing the
2029 output to __detail::__to_chars_10_impl and call that.
2030 * include/std/version (__cpp_lib_to_chars): Add, but comment out.
2031 * testsuite/21_strings/basic_string/numeric_conversions/char/
2032 to_string.cc: Fix reference in comment. Remove unused variable.
2033 * testsuite/21_strings/basic_string/numeric_conversions/char/
2034 to_string_int.cc: New test.
2036 2019-06-09 Edward Smith-Rowland <3dw4rd@verizon.net>
2038 Fix ConstexprIterator requirements tests - No constexpr algorithms!
2039 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
2040 Replace copy with hand-rolled loop.
2041 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
2044 2019-06-08 Edward Smith-Rowland <3dw4rd@verizon.net>
2046 Test for C++20 p0858 - ConstexprIterator requirements.
2047 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
2049 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
2052 2019-06-07 Thomas Rodgers <trodgers@redhat.com>
2054 Rename PSTL macro's consistent with libstdc++ (and llvm upstream
2056 * include/bits/c++config: Rename all macros of the form __PSTL* to
2058 * include/std/algorithm: Likewise.
2059 * include/std/execution: Likewise.
2060 * include/std/numeric: Likewise.
2061 * include/std/memory: Likewise.
2062 * include/pstl/glue_memory_impl.h: Likewise.
2063 * include/pstl/numeric_impl.h: Likewise.
2064 * include/pstl/glue_memory_defs.h: Likewise.
2065 * include/pstl/execution_defs.h: Likewise.
2066 * include/pstl/utils.h: Likewise.
2067 * include/pstl/algorithm_fwd.h: Likewise.
2068 * include/pstl/unseq_backend_simd.h: Likewise.
2069 * include/pstl/glue_execution_defs.h: Likewise.
2070 * include/pstl/algorithm_impl.h: Likewise.
2071 * include/pstl/parallel_impl.h: Likewise.
2072 * include/pstl/memory_impl.h: Likewise.
2073 * include/pstl/glue_numeric_defs.h: Likewise.
2074 * include/pstl/parallel_backend_utils.h: Likewise.
2075 * include/pstl/glue_algorithm_defs.h: Likewise.
2076 * include/pstl/parallel_backend.h: Likewise.
2077 * include/pstl/glue_numeric_impl.h: Likewise.
2078 * include/pstl/parallel_backend_tbb.h: Likewise.
2079 * include/pstl/numeric_fwd.h: Likewise.
2080 * include/pstl/glue_algorithm_impl.h: Likewise.
2081 * include/pstl/execution_impl.h: Likewise.
2082 * include/pstl/pstl_config.h: Likewise.
2083 * testsuite/util/pstl/pstl_test_config.h: Likewise.
2084 * testsuite/util/pstl/test_utils.h: Likewise.
2085 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
2087 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
2089 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
2091 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: Likewise.
2092 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: Likewise.
2093 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: Likewise.
2094 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: Likewise.
2095 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
2097 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: Likewise.
2098 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: Likewise.
2099 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: Likewise.
2100 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: Likewise.
2101 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
2103 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: Likewise.
2104 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: Likewise.
2105 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: Likewise.
2106 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: Likewise.
2107 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
2109 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: Likewise.
2110 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: Likewise.
2111 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
2113 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
2115 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: Likewise.
2116 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
2117 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
2119 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
2121 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
2123 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
2125 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
2127 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
2129 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
2131 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
2133 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
2135 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
2137 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
2139 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: Likewise.
2141 Rename header guards to be consistent with upstream project's
2143 * include/pstl/glue_memory_impl.h: Rename all macros of the form
2144 _PSTL_(.*)_H to _PSTL_\U\1_H.
2145 * include/pstl/numeric_impl.h: Likewise.
2146 * include/pstl/glue_memory_defs.h: Likewise.
2147 * include/pstl/execution_defs.h: Likewise.
2148 * include/pstl/utils.h: Likewise.
2149 * include/pstl/algorithm_fwd.h: Likewise.
2150 * include/pstl/unseq_backend_simd.h: Likewise.
2151 * include/pstl/glue_execution_defs.h: Likewise.
2152 * include/pstl/algorithm_impl.h: Likewise.
2153 * include/pstl/parallel_impl.h: Likewise.
2154 * include/pstl/memory_impl.h: Likewise.
2155 * include/pstl/glue_numeric_defs.h: Likewise.
2156 * include/pstl/parallel_backend_utils.h: Likewise.
2157 * include/pstl/glue_algorithm_defs.h: Likewise.
2158 * include/pstl/parallel_backend.h: Likewise.
2159 * include/pstl/glue_numeric_impl.h: Likewise.
2160 * include/pstl/parallel_backend_tbb.h: Likewise.
2161 * include/pstl/numeric_fwd.h: Likewise.
2162 * include/pstl/glue_algorithm_impl.h: Likewise.
2163 * include/pstl/execution_impl.h: Likewise.
2164 * include/pstl/pstl_config.h: Likewise.
2165 * testsuite/util/pstl/pstl_test_config.h: Likewise.
2167 Synchronize libstdc++ parallel algorithms with upstream
2169 * include/pstl/algorithm_fwd.h: Synchronize with
2170 upstream PSTL project.
2171 * include/pstl/algorithm_impl.h: Likewise.
2172 * include/pstl/execution_defs.h: Likewise.
2173 * include/pstl/execution_impl.h: Likewise.
2174 * include/pstl/glue_algorithm_impl.h: Likewise.
2175 * include/pstl/glue_execution_defs.h: Likewise.
2176 * include/pstl/numeric_fwd.h: Likewise.
2177 * include/pstl/numeric_impl.h: Likewise.
2178 * include/pstl/parallel_backend.h: Likewise.
2179 * include/pstl/pstl_config.h: Likewise.
2180 * include/pstl/unseq_backend_simd.h: Likewise.
2181 * include/pstl/parallel_backend_serial.h: New file.
2182 * include/Makefile.am (pstl_headers): Add
2183 parallel_backend_serial.h.
2184 * include/Makefile.in: Regenerate.
2186 Clean up non-conforming names
2187 * include/pstl/algorithm_impl.h (__parallel_set_union_op):
2188 Uglfiy copy_range1 and copy_range2
2189 (__pattern_walk2_n): Rename local n to __n
2190 * include/pstl/parallel_backend_tbb.h (struct __binary_no_op):
2191 Rename parameter _T to _Tp.
2193 Integrate non-TBB serial backend support
2194 * include/bits/c++config: Adjust TBB detection logic to select serial
2195 PSTL backend if no TBB present.
2196 * testsuite/utils/pstl/test_utils.h: Remove check for
2197 _PSTL_USE_PAR_POLICIES
2199 2019-06-07 Jonathan Wakely <jwakely@redhat.com>
2201 * testsuite/24_iterators/container_access.cc: Move dg-options before
2202 dg-do directive so the target check uses the -std option.
2205 * configure: Regenerate.
2206 * src/Makefile.am (stamp-debug): Also test for missing makefile.
2207 * src/Makefile.in: Regenerate.
2209 2019-06-06 Jonathan Wakely <jwakely@redhat.com>
2211 * include/std/array: Do not include <stdexcept>.
2212 * include/std/optional: Include <exception> and
2213 <bits/exception_defines.h> instead of <stdexcept>.
2214 * testsuite/20_util/function_objects/searchers.cc: Include <cctype>
2216 * testsuite/20_util/tuple/cons/deduction.cc: Include <memory> for
2218 * testsuite/23_containers/map/erasure.cc: Include <string>.
2219 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
2221 * testsuite/23_containers/deque/requirements/dr438/assign_neg.cc: Add
2222 dg-prune-output for different C++98 diagnostic.
2223 * testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc:
2225 * testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc:
2227 * testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
2229 * testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
2231 * testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
2233 * testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc:
2235 * testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
2237 * testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
2239 * testsuite/23_containers/vector/requirements/dr438/
2240 constructor_1_neg.cc: Likewise.
2241 * testsuite/23_containers/vector/requirements/dr438/
2242 constructor_2_neg.cc: Likewise.
2243 * testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
2245 * testsuite/libstdc++-prettyprinters/compat.cc: Do not run for C++98.
2247 * testsuite/23_containers/unordered_map/requirements/debug_container.cc:
2248 Do not test allocator rebinding extension for C++2a.
2249 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
2250 dg-do directive for C++17 and C++2a.
2252 * testsuite/23_containers/deque/requirements/explicit_instantiation/
2253 1_c++0x.cc: Remove redundant test.
2254 * testsuite/23_containers/deque/requirements/explicit_instantiation/
2255 2.cc: Use target selector instead of preprocessor condition.
2256 * testsuite/23_containers/deque/requirements/explicit_instantiation/
2257 3.cc: Do not run test for C++2a.
2258 * testsuite/23_containers/forward_list/requirements/
2259 explicit_instantiation/3.cc: Likewise.
2260 * testsuite/23_containers/forward_list/requirements/
2261 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2263 * testsuite/23_containers/list/requirements/explicit_instantiation/
2264 1_c++0x.cc: Remove redundant test.
2265 * testsuite/23_containers/list/requirements/explicit_instantiation/
2266 2.cc: Use target selector instead of preprocessor condition.
2267 * testsuite/23_containers/list/requirements/explicit_instantiation/
2268 3.cc: Do not run test for C++2a.
2269 * testsuite/23_containers/list/requirements/explicit_instantiation/
2270 5.cc: Do not test allocator rebinding extension for C++2a.
2271 * testsuite/23_containers/map/requirements/explicit_instantiation/
2272 1_c++0x.cc: Remove redundant test.
2273 * testsuite/23_containers/map/requirements/explicit_instantiation/
2274 2.cc: Adjust comment.
2275 * testsuite/23_containers/map/requirements/explicit_instantiation/
2276 3.cc: Do not run test for C++2a.
2277 * testsuite/23_containers/map/requirements/explicit_instantiation/
2278 5.cc: Do not test allocator rebinding extension for C++2a.
2279 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
2280 1_c++0x.cc: Remove redundant test.
2281 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
2282 3.cc: Do not run test for C++2a.
2283 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
2284 5.cc: Do not test allocator rebinding extension for C++2a.
2285 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
2286 3.cc: Do not run test for C++2a.
2287 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
2288 5.cc: Do not test allocator rebinding extension for C++2a.
2289 * testsuite/23_containers/set/requirements/explicit_instantiation/3.cc:
2290 Do not run test for C++2a.
2291 * testsuite/23_containers/set/requirements/explicit_instantiation/
2292 1_c++0x.cc: Remove redundant test.
2293 * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc:
2294 Do not test allocator rebinding extension for C++2a.
2295 * testsuite/23_containers/unordered_map/requirements/
2296 explicit_instantiation/3.cc: Likewise.
2297 * testsuite/23_containers/unordered_map/requirements/
2298 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2300 * testsuite/23_containers/unordered_multimap/requirements/
2301 explicit_instantiation/3.cc: Do not run test for C++2a.
2302 * testsuite/23_containers/unordered_multimap/requirements/
2303 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2305 * testsuite/23_containers/unordered_multiset/requirements/
2306 explicit_instantiation/3.cc: Do not run test for C++2a.
2307 * testsuite/23_containers/unordered_multiset/requirements/
2308 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2310 * testsuite/23_containers/unordered_set/requirements/
2311 explicit_instantiation/3.cc: Do not run test for C++2a.
2312 * testsuite/23_containers/unordered_set/requirements/
2313 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2315 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
2316 2.cc: Remove redundant test.
2317 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
2318 3.cc: Do not run test for C++2a.
2319 * testsuite/23_containers/vector/requirements/explicit_instantiation/
2322 * include/std/type_traits (is_empty, is_polymorphic, is_final)
2323 (is_abstract, is_aggregate): Remove static_assert.
2324 * testsuite/20_util/is_abstract/incomplete_neg.cc: Check for error
2326 * testsuite/20_util/is_aggregate/incomplete_neg.cc: Likewise. Add
2327 missing -std=gnu++17 option.
2328 * testsuite/20_util/is_empty/incomplete_neg.cc: New test.
2329 * testsuite/20_util/is_final/incomplete_neg.cc: New test.
2330 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: Check for error
2333 * testsuite/18_support/set_terminate.cc: Do not run for C++98 mode.
2334 * testsuite/18_support/set_unexpected.cc: Likewise.
2335 * testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
2337 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix constexpr
2338 function to be valid in C++11.
2339 * testsuite/26_numerics/complex/proj.cc: Do not run for C++98 mode.
2340 * testsuite/experimental/names.cc: Do not run for C++98 mode. Do not
2341 include Library Fundamentals or Networking headers in C++11 mode.
2342 * testsuite/ext/char8_t/atomic-1.cc: Do not run for C++98 mode.
2344 * include/std/tuple (_TC): Replace with _TupleConstraints.
2345 (_TupleConstraints): New helper for SFINAE constraints, with more
2346 expressive member functions to reduce duplication when used.
2347 (tuple::_TC2, tuple::_TMC, tuple::_TNTC): Remove.
2348 (tuple::_TCC): Replace dummy type parameter with bool non-type
2349 parameter that can be used to check the pack size.
2350 (tuple::_ImplicitDefaultCtor, tuple::_ExplicitDefaultCtor)
2351 (tuple::_ImplicitCtor, tuple::_ExplicitCtor): New alias templates for
2352 checking constraints in constructors.
2353 (tuple::__valid_args, tuple::_UseOtherCtor, tuple::__use_other_ctor):
2355 (tuple::tuple): Use new helpers to reduce repitition in constraints.
2356 (tuple::tuple(allocator_arg_t, const Alloc&)): Constrain.
2357 (tuple<T1, T2>::_TCC, tuple<T1, T2>::_ImplicitDefaultCtor)
2358 (tuple<T1, T2>::_ExplicitDefaultCtor, tuple<T1, T2>::_ImplicitCtor)
2359 (tuple<T1, T2>::_ExplicitCtor): New alias templates for checking
2360 constraints in constructors.
2361 (tuple::__is_alloc_arg()): New SFINAE helpers.
2362 (tuple<T1, T2>::tuple): Use new helpers to reduce repitition in
2364 (tuple<T1, T2>::tuple(allocator_arg_t, const Alloc&)): Constrain.
2365 * testsuite/20_util/tuple/cons/90700.cc: New test.
2366 * testsuite/20_util/tuple/cons/allocators.cc: Add default constructor
2367 to meet new constraint on allocator-extended default constructor.
2369 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
2371 * include/bits/stl_map.h (map): Disable static assert for C++98 mode.
2372 * include/bits/stl_multimap.h (multimap): Likewise.
2374 2019-06-03 François Dumont <fdumont@gcc.gnu.org>
2376 Rename variables and cleanup comments.
2377 * include/bits/hashtable_policy.h
2378 * include/bits/hashtable.h
2380 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
2382 * doc/xml/manual/status_cxx2020.xml: Add missing row for P0920R2.
2383 Fix bgcolor for P0340R3.
2384 * doc/html/*: Regenerate.
2387 * doc/xml/manual/status_cxx2014.xml: Document what's missing from
2388 <experimental/memory_resource>.
2389 * doc/xml/manual/status_cxx2020.xml: Document status of P1285R0,
2390 P0339R6, P0340R3, P1164R1 and P1357R1.
2391 * doc/html/*: Regenerate.
2393 * doc/xml/manual/status_cxx2020.xml: Document P1463R1 status.
2394 * include/bits/forward_list.h [__cplusplus > 201703]: Enable
2395 allocator::value_type assertion for C++2a.
2396 * include/bits/hashtable.h: Likewise.
2397 * include/bits/stl_deque.h: Likewise.
2398 * include/bits/stl_list.h: Likewise.
2399 * include/bits/stl_map.h: Likewise.
2400 * include/bits/stl_multimap.h: Likewise.
2401 * include/bits/stl_multiset.h: Likewise.
2402 * include/bits/stl_set.h: Likewise.
2403 * include/bits/stl_vector.h: Likewise.
2404 * testsuite/23_containers/deque/48101-3_neg.cc: New test.
2405 * testsuite/23_containers/forward_list/48101-3_neg.cc: New test.
2406 * testsuite/23_containers/list/48101-3_neg.cc: New test.
2407 * testsuite/23_containers/map/48101-3_neg.cc: New test.
2408 * testsuite/23_containers/multimap/48101-3_neg.cc: New test.
2409 * testsuite/23_containers/multiset/48101-3_neg.cc: New test.
2410 * testsuite/23_containers/set/48101-3_neg.cc: New test.
2411 * testsuite/23_containers/unordered_map/48101-3_neg.cc: New test.
2412 * testsuite/23_containers/unordered_multimap/48101-3_neg.cc: New test.
2413 * testsuite/23_containers/unordered_multiset/48101-3_neg.cc: New test.
2414 * testsuite/23_containers/unordered_set/48101-3_neg.cc: New test.
2415 * testsuite/23_containers/vector/48101-3_neg.cc: New test.
2417 2019-05-31 Gerald Pfeifer <gerald@pfeifer.com>
2419 * doc/xml/manual/allocator.xml: Move hoard.org back to http.
2421 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2423 * include/std/tuple (tuple<>): Add noexcept to allocator-extended
2425 (tuple<T1, T2>::__nothrow_default_constructible()): New helper
2427 (tuple<T1, T2>::tuple(), explicit tuple<T1, T2>::tuple()): Use helper.
2429 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2431 * src/c++98/bitmap_allocator.cc: Add using-declaration for size_t.
2434 * libsupc++/eh_term_handler.cc: Include eh_term_handler.h to get
2435 definition of _GLIBCXX_DEFAULT_TERM_HANDLER.
2436 * libsupc++/eh_term_handler.h: New header defining
2437 _GLIBCXX_DEFAULT_TERM_HANDLER.
2438 * libsupc++/eh_terminate.cc: Include eh_term_handler.h.
2439 (set_terminate): Restore default handler when argument is null.
2440 (set_unexpected): Likewise.
2441 * testsuite/18_support/set_terminate.cc: New test.
2442 * testsuite/18_support/set_unexpected.cc: New test.
2444 * include/backward/hashtable.h (size_t, ptrdiff_t)
2445 (forward_iterator_tag, input_iterator_tag, _Construct, _Destroy)
2446 (distance, vector, pair, __iterator_category): Remove
2447 using-declarations that add these names to namespace __gnu_cxx.
2448 * include/ext/bitmap_allocator.h (size_t, ptrdiff_t): Likewise.
2449 * include/ext/debug_allocator.h (size_t): Likewise.
2450 * include/ext/functional (size_t, unary_function, binary_function)
2451 (mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t, const_mem_fun1_ref_t):
2453 * include/ext/malloc_allocator.h (size_t, ptrdiff_t): Likewise.
2454 * include/ext/memory (ptrdiff_t, pair, __iterator_category): Likewise.
2455 * include/ext/mt_allocator.h (size_t, ptrdiff_t): Likewise.
2456 * include/ext/new_allocator.h (size_t, ptrdiff_t): Likewise.
2457 * include/ext/numeric (iota): Fix outdated comment.
2458 * include/ext/pool_allocator.h (size_t, ptrdiff_t): Likewise.
2459 * include/ext/rb_tree (_Rb_tree, allocator): Likewise.
2460 * include/ext/rope (size_t, ptrdiff_t, allocator, _Destroy): Likewise.
2461 * include/ext/ropeimpl.h (size_t, printf, basic_ostream)
2462 (__throw_length_error, _Destroy, std::__uninitialized_fill_n_a):
2464 * include/ext/slist (size_t, ptrdiff_t, _Construct, _Destroy)
2465 (allocator, __true_type, __false_type): Likewise.
2467 2019-05-31 Antony Polukhin <antoshkka@gmail.com>
2470 * include/std/type_traits __type_identity, __is_complete_or_unbounded):
2471 New helpers for checking preconditions in traits.
2472 (is_trivial, is_trivially_copyable, is_standard_layout, is_pod)
2473 (is_literal_type, is_empty, is_polymorphic, is_final, is_abstract)
2474 (is_destructible, is_nothrow_destructible, is_constructible)
2475 (is_default_constructible, is_copy_constructible)
2476 (is_move_constructible, is_nothrow_default_constructible)
2477 (is_nothrow_constructible, is_nothrow_copy_constructible)
2478 (is_nothrow_move_constructible, is_copy_assignable, is_move_assignable)
2479 (is_nothrow_assignable, is_nothrow_copy_assignable)
2480 (is_nothrow_move_assignable, is_trivially_constructible)
2481 (is_trivially_copy_constructible, is_trivially_move_constructible)
2482 is_trivially_assignable, is_trivially_copy_assignable)
2483 (is_trivially_move_assignable, is_trivially_destructible)
2484 (alignment_of, is_swappable, is_nothrow_swappable, is_invocable)
2485 (is_invocable_r, is_nothrow_invocable)
2486 (has_unique_object_representations, is_aggregate): Add static_asserts
2487 to make sure that type traits are not misused with incomplete types.
2488 (__is_constructible_impl, __is_nothrow_default_constructible_impl)
2489 (__is_nothrow_constructible_impl, __is_nothrow_assignable_impl): New
2490 base characteristics without assertions that can be reused in other
2492 * testsuite/20_util/is_complete_or_unbounded/memoization.cc: New test.
2493 * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc: New
2495 * testsuite/20_util/is_complete_or_unbounded/value.cc: New test.
2496 * testsuite/20_util/is_abstract/incomplete_neg.cc: New test.
2497 * testsuite/20_util/is_aggregate/incomplete_neg.cc: New test.
2498 * testsuite/20_util/is_class/value.cc: Check incomplete type.
2499 * testsuite/20_util/is_function/value.cc: Likewise.
2500 * testsuite/20_util/is_move_constructible/incomplete_neg.cc: New test.
2501 * testsuite/20_util/is_nothrow_move_assignable/incomplete_neg.cc: New
2503 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: New test.
2504 * testsuite/20_util/is_reference/value.cc: Check incomplete types.
2505 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
2506 * testsuite/20_util/is_union/value.cc: Likewise.
2507 * testsuite/20_util/is_void/value.cc: Likewise.
2508 * testsuite/util/testsuite_tr1.h: Add incomplete union type.
2510 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2512 * include/bits/random.h (random_device::_M_init(const char*, size_t)):
2513 Add new private member function.
2514 * src/c++11/cow-string-inst.cc (random_device::_M_init(const string&))
2515 (random_device::_M_init_pretr1(const string&)): Call new private
2516 member with string data.
2517 * src/c++11/random.cc (random_device::_M_init(const char*, size_t)):
2519 * testsuite/26_numerics/random/random_device/cons/default-cow.cc: New
2520 test using COW strings.
2521 * testsuite/26_numerics/random/random_device/cons/default.cc: Generate
2522 a value from the device.
2523 * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
2524 Fix typo in token string.
2526 2019-05-30 Nina Dinka Ranns <dinka.ranns@gmail.com>
2528 LWG2788 basic_string spurious use of a default constructible allocator
2529 * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
2530 (basic_string::_M_replace_dispatch): Construct temporary string with
2531 the current allocator.
2532 * testsuite/21_strings/basic_string/allocator/char/lwg2788.cc: New.
2533 * testsuite/21_strings/basic_string/allocator/wchar_t/lwg2788.cc: New.
2535 2019-05-30 Jonathan Wakely <jwakely@redhat.com>
2537 * doc/xml/manual/diagnostics.xml: Update list of headers that define
2539 * doc/xml/manual/support.xml: Rewrite advice around NULL. Rewrite
2540 section about new/delete overloads. Improve section on verbose
2542 * doc/html/*: Regenerate.
2544 * doc/xml/manual/status_cxx2020.xml: Add feature-test macro for
2545 P0811R3. Change status of P1353R0.
2546 * doc/html/*: Regenerate.
2548 * doc/xml/manual/status_cxx2011.xml: Use <variablelist> for
2549 documentation of implementation-defined types for [thread.req.native].
2550 * doc/xml/manual/status_cxx2017.xml: Update documentation of
2551 implementation-defined strings for [variant.bad.access]. Fix typo in
2552 documentation of implementation-defined support for [fs.conform.9945].
2553 * doc/html/*: Regenerate.
2555 2019-05-29 Jonathan Wakely <jwakely@redhat.com>
2558 * testsuite/26_numerics/random/random_device/cons/token.cc: Fix test
2559 that fails on mingw-w64.
2562 * src/c++17/fs_ops.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
2563 (status(const path&, error_code&)): Use parent_path() to remove
2565 (symlink_status(const path&, error_code&)): Duplicate workaround for
2566 bug in _wstat for paths with trailing slash.
2567 * testsuite/27_io/filesystem/operations/remove_all.cc: Check path
2568 with trailing slash.
2569 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
2570 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2572 * src/c++17/fs_path.cc (path::parent_path()): Create whole path at
2573 once instead of building it iteratively.
2575 * testsuite/util/testsuite_api.h: Remove names of unused parameters.
2577 PR libstdc++/85494 use rdseed and rand_s in std::random_device
2578 * acinclude.m4 (GLIBCXX_CHECK_X86_RDSEED): Define macro to check if
2579 the assembler supports rdseed.
2580 * config.h.in: Regenerate.
2581 * configure: Regenerate.
2582 * configure.ac: Use GLIBCXX_CHECK_X86_RDSEED.
2583 * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_CRT_RAND_S): Define.
2584 * doc/html/*: Regenerate.
2585 * doc/xml/manual/status_cxx2011.xml: Document new tokens.
2586 * include/bits/random.h (random_device::random_device()): Always call
2587 _M_init rather than _M_init_pretr1.
2588 (random_device::random_device(const string&)): Likewise.
2589 (random_device::operator()()): Always call _M_getval().
2590 (random_device::_M_file): Replace first member of union with an
2591 anonymous struct, with _M_file as its first member.
2592 * src/c++11/random.cc [_GLIBCXX_X86_RDRAND] (USE_RDRAND): Define.
2593 [_GLIBCXX_X86_RDSEED] (USE_RDSEED): Define.
2594 (USE_MT19937): Define if none of the above are defined.
2595 (USE_POSIX_FILE_IO): Define.
2596 (_M_strtoul): Remove.
2597 [USE_RDSEED] (__x86_rdseed): Define new function.
2598 [_GLIBCXX_USE_CRT_RAND_S] (__winxp_rand_s): Define new function.
2599 (random_device::_M_init(const string&)): Initialize new union members.
2600 Add support for "rdseed" and "rand_s" tokens. Decide what the
2601 "default" token does according to which USE_* macros are defined.
2602 [USE_POSIX_FILE_IO]: Store a file descriptor.
2603 [USE_MT19937]: Forward to _M_init_pretr1 instead.
2604 (random_device::_M_init_pretr1(const string&)) [USE_MT19937]: Inline
2605 code from _M_strtoul.
2606 [!USE_MT19937]: Call _M_init, transforming the old default token or
2607 numeric tokens to "default".
2608 (random_device::_M_fini()) [USE_POSIX_FILE_IO]: Use close not fclose.
2609 (random_device::_M_getval()): Use new union members to obtain a
2610 random number from the stored function pointer or file descriptor.
2611 [USE_MT19937]: Obtain a value from the mt19937 engine.
2612 (random_device::_M_getval_pretr1()): Call _M_getval().
2613 (random_device::_M_getentropy()) [USE_POSIX_FILE_IO]: Use _M_fd
2615 [!USE_MT19937] (mersenne_twister): Do not instantiate when not needed.
2616 * testsuite/26_numerics/random/random_device/85494.cc: New test.
2618 2019-05-28 Jonathan Wakely <jwakely@redhat.com>
2621 * include/experimental/bits/fs_path.h (path::path(path&&)): Only call
2622 _M_split_cmpts() for a path with multiple components.
2623 (path::_S_is_dir_sep()): Add missing 'static' keyword to function.
2624 * src/filesystem/path.cc (path::_M_split_cmpts()): Count number of
2625 components and reserve space in vector. Return early when there is
2627 * testsuite/27_io/filesystem/path/construct/90634.cc: New test.
2628 * testsuite/experimental/filesystem/path/construct/90634.cc: New test.
2630 * testsuite/util/testsuite_fs.h (compare_paths): Use three-argument
2631 form of std::equals for C++11 compatibility.
2633 2019-05-26 Gerald Pfeifer <gerald@pfeifer.com>
2635 * doc/xml/manual/appendix_contributing.xml: Update pointer to
2636 C++ standard at ansi.org.
2638 2019-05-24 Jonathan Wakely <jwakely@redhat.com>
2640 * include/std/numeric (midpoint(T*, T*)): Fix incorrect result.
2641 * testsuite/26_numerics/midpoint/pointer.cc: Change "compile" test
2644 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Fix test.
2645 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused function.
2647 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2649 * testsuite/20_util/function_objects/invoke/1.cc: Move C++17-specific
2651 * testsuite/20_util/function_objects/invoke/3.cc: New test.
2652 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
2653 "compile" test to "run".
2655 * doc/xml/manual/intro.xml: Document LWG DR 2996 change.
2656 * doc/html/*: Regenerate.
2657 * include/bits/shared_ptr.h (shared_ptr(shared_ptr&&, T*)): Add
2658 rvalue aliasing constructor.
2659 (static_pointer_cast, const_pointer, dynamic_pointer_cast)
2660 (reinterpret_pointer_cast): Add overloads taking rvalues.
2661 * include/bits/shared_ptr_base.h (__shared_ptr(__shared_ptr&&, T*)):
2662 Add rvalue aliasing constructor.
2663 * testsuite/20_util/shared_ptr/casts/1.cc: Change "compile" test to
2664 "run" and check return values as well as types.
2665 * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
2666 * testsuite/20_util/shared_ptr/casts/rval.cc: New test.
2667 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: New test.
2668 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused return
2671 * doc/xml/manual/evolution.xml: Document LWG DR 2921 change.
2672 * doc/xml/manual/intro.xml: Likewise.
2673 * include/std/future (__create_task_state): Add default arguments
2674 to make providing an allocator optional.
2675 (packaged_task::packaged_task(F&&)): Call __create_task_state directly
2676 instead of delegating to another constructor.
2677 (packaged_task::packaged_task(allocator_arg_t, const A&, ...)): Do not
2678 define allocator-extended constructors for C++17 and later.
2679 * testsuite/30_threads/packaged_task/cons/alloc.cc: Only run test for
2681 * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
2682 * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
2683 * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
2685 2019-05-23 Hans-Peter Nilsson <hp@axis.com>
2687 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
2688 Don't run the libstdc++/83237 part on simulator targets.
2690 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2692 * doc/xml/manual/status_cxx2017.xml: Add feature test macro for
2694 * doc/html/*: Regenerate.
2696 * include/experimental/any (__any_caster): Use RTTI if comparing
2697 addresses fails, to support non-unique addresses in shared libraries.
2698 * include/std/any (__any_caster): Likewise.
2701 * include/experimental/any (__any_caster): Constrain to only be
2702 callable for object types. Use remove_cv_t instead of decay_t.
2703 If the type decays or isn't copy constructible, compare the manager
2704 function to a dummy specialization.
2705 (__any_caster): Add overload constrained for non-object types.
2706 (any::_Manager_internal<_Op>): Add dummy specialization.
2707 * testsuite/experimental/any/misc/any_cast.cc: Test function types
2710 2019-05-22 Jonathan Wakely <jwakely@redhat.com>
2713 * src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
2714 reversed arguments to uninitialized_copy_n.
2715 * testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
2716 is unchanged by copy assignment.
2717 * testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
2718 compare path components.
2721 * include/experimental/memory_resource: Add system header pragma and
2722 do not define anything unless compiled as C++14 or later.
2723 (__resource_adaptor_common::__guaranteed_alignment): Remove.
2724 (__resource_adaptor_imp::do_allocate): If the requested alignment
2725 is a fundamental alignment then either allocate directly from _M_alloc
2726 or call the new _M_allocate function.
2727 (__resource_adaptor_imp::do_deallocate): Likewise for deallocation.
2728 (__resource_adaptor_imp::_M_allocate): New function that uses a copy
2729 of the allocator rebound to a POD type with the specified alignment.
2730 (__resource_adaptor_imp::_M_deallocate): Likewise for deallocation.
2731 * testsuite/experimental/memory_resource/new_delete_resource.cc:
2732 Adjust expected allocation sizes.
2733 * testsuite/experimental/memory_resource/resource_adaptor.cc: Remove
2734 xfail for Solaris x86.
2736 2019-05-21 Thomas Rodgers <trodgers@redhat.com>
2738 LWG 3062 - Unnecessary decay_t in is_execution_policy_v
2739 * include/pstl/execution_defs.h (__enable_if_execution_policy):
2740 Use std::__remove_cvref_t when building with GCC.
2742 2019-05-21 Jonathan Wakely <jwakely@redhat.com>
2745 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2746 Use "additional_flags" to pass -ltbb to v3_target_compile command.
2747 Use check_v3_target_prop_cached to cache the result of the test.
2749 * doc/xml/manual/shared_ptr.xml: Fix names of lock policy constants.
2751 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2754 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2755 Changed v3_target_compile check from preprocess to executable.
2756 Added "-ltbb" to v3_target_compile flags.
2758 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2760 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2761 Add check for Thread Building Blocks 2018 or later.
2763 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2765 * testsuite/experimental/names.cc: Only include Networking TS headers
2766 on targets with the necessary Gthreads support.
2768 2019-05-20 Marek Polacek <polacek@redhat.com>
2770 CWG 2094 - volatile scalars are trivially copyable.
2772 * testsuite/20_util/is_trivially_copyable/value.cc: Change the expected
2773 result for volatile int.
2775 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2777 * testsuite/17_intro/names.cc: Do not check 'ptr' on Solaris.
2778 * testsuite/experimental/names.cc: Include <experimental/filesystem>
2781 PR c++/90532 Ensure __is_constructible(T[]) is false
2782 * include/std/type_traits (__do_is_default_constructible_impl)
2783 (__is_default_constructible_atom, __is_default_constructible_safe):
2785 (is_default_constructible): Use is_constructible.
2786 * testsuite/20_util/is_constructible/value.cc: Check int[] case.
2787 * testsuite/20_util/is_default_constructible/value.cc: Likewise.
2788 * testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
2789 * testsuite/20_util/is_trivially_default_constructible/value.cc:
2792 2019-05-20 Pádraig Brady <pbrady@fb.com>
2794 * libstdc++-v3/include/ext/new_allocator.h (deallocate): Pass the size
2795 to the deallocator with -fsized-deallocation.
2797 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2799 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
2800 test by passing correct alignment to deallocate function.
2802 2019-05-18 Jonathan Wakely <jwakely@redhat.com>
2805 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
2806 Raise exception if unique_ptr tuple member has unknown structure.
2807 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
2808 Adjust worker to support new __uniq_ptr_data base class. Do not
2809 assume field called _M_head_impl is the first tuple element.
2811 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
2813 * include/bits/stl_deque.h
2814 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
2815 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
2816 (_Deque_base::_Deque_impl_data): New.
2817 (_Deque_base::_Deque_impl): Inherit latter.
2818 (_Deque_base::_Deque_impl::_M_swap_data): Move...
2819 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
2820 (_Deque_base::_Deque_impl()): Add noexcept qualification.
2821 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
2822 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
2823 (deque<>::deque()): Default.
2824 (deque<>::deque(deque&&)): Default.
2825 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
2826 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
2827 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
2828 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
2829 _M_range_initialize.
2830 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
2831 (deque<>::resize(size_type, const value_type&)): Share a single
2833 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
2834 _M_range_insert_aux.
2835 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
2836 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
2837 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
2838 * testsuite/23_containers/deque/allocator/default_init.cc: New.
2840 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
2843 * include/std/variant (holds_alternative, get, get_if): Improve
2844 static assertion messages.
2845 (bad_variant_access::bad_variant_access()): Change default message.
2846 (__throw_bad_variant_access(bool)): New overload.
2847 (get): Use new overload.
2848 (visit, visit<R>): Improve exception message.
2850 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
2851 targets. Add more cases from P0608R3.
2852 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
2854 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
2855 * include/experimental/type_traits (is_detected_exact)
2856 (is_detected_exact_v): Likewise.
2857 * include/pstl/execution_defs.h (is_execution_policy)
2858 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
2859 * include/pstl/execution_impl.h (__policy_traits): Likewise.
2860 * testsuite/17_intro/names.cc: Check for more non-reserved names.
2861 * testsuite/experimental/names.cc: New test.
2864 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
2865 assertions from the destructor.
2866 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
2867 Move static_assert for hash function to here.
2868 (_Hash_table_base::_M_equals): Move static_assert for equality
2870 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
2872 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
2873 the value directly instead of calling _S_value.
2874 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
2875 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
2876 _S_key(_Const_Link_type).
2877 * testsuite/23_containers/set/85965.cc: Check construction,
2878 destruction, assignment and size() do not trigger the assertions.
2879 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
2880 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
2882 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
2883 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
2884 * testsuite/23_containers/set/48101_neg.cc: Likewise.
2885 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
2886 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
2887 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
2888 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
2890 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
2891 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
2894 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
2896 * doc/html/*: Regenerate.
2897 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
2898 of decay_t (P0777R1).
2900 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
2902 Move from state of allocators (LWG2593)
2903 * include/bits/stl_deque.h
2904 (_Deque_base(_Deque_base&&, false_type)): Remove.
2905 (_Deque_base(_Deque_base&&, true_type)): Remove.
2906 (_Deque_base(_Deque_base&&)): Adapt.
2907 (_Deque_base::_M_move_impl()): Remove.
2908 * testsuite/util/testsuite_allocator.h
2909 (propagating_allocator(propagating_allocator&&)): Preserve move from
2911 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
2913 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
2915 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
2916 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
2917 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
2919 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
2921 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
2922 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
2924 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
2926 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
2928 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
2930 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
2932 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
2934 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
2936 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
2939 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
2941 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
2942 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
2944 * include/std/variant (__overload_set): Remove.
2946 (_Build_FUN): New class template to define a single FUN overload,
2947 with specializations to prevent unwanted conversions, as per P0608R3.
2948 (_Build_FUNs): New class template to build an overload set of FUN.
2949 (_FUN_type): New alias template to perform overload resolution.
2950 (__accepted_type): Use integer_constant base for failure case. Use
2951 _FUN_type for successful case.
2952 (variant::__accepted_index): Use _Tp instead of _Tp&&.
2953 (variant::variant(_Tp&&)): Likewise.
2954 (variant::operator=(_Tp&&)): Likewise.
2956 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
2957 Replace raw visitation with a runtime check for the valueless state
2958 and a non-raw visitor.
2959 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
2960 (variant::index()): Remove branch.
2961 (variant::swap(variant&)): Use valueless_by_exception() instead of
2962 comparing the index to variant_npos, and add likelihood attribute.
2964 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
2965 (_Hashtable_base::_Equal_hash_code): Define new class template.
2966 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
2969 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
2970 Replace with _M_get non-static member function.
2971 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
2973 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
2974 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
2976 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
2977 _S_get accessors for members in EBO helpers.
2978 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
2979 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
2981 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
2983 (_Hashtable_base::_M_eq()): Remove non-const overload.
2985 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
2987 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
2989 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2991 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
2994 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2996 * config/os/solaris/solaris2.10: Move to ...
2997 * config/os/solaris: ... this.
2998 * configure.host (os_include_dir): Adapt.
2999 (abi_baseline_pair): Remove Solaris 10 handling.
3000 * config/abi/post/i386-solaris2.10: Remove.
3001 * config/abi/post/sparc-solaris2.10: Remove.
3002 * config/abi/post/i386-solaris2.11: Rename to ...
3003 * config/abi/post/i386-solaris: ... this.
3004 * config/abi/post/sparc-solaris2.11: Rename to ...
3005 * config/abi/post/sparc-solaris: ... this.
3007 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
3010 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
3013 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
3015 * include/std/variant (__visit_with_index): Remove typedef.
3016 (__deduce_visit_result): New tag type.
3017 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
3018 visitation of possibly-valueless variants, forwarding to __do_visit
3019 with the relevant tag type.
3020 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
3021 and make lambda return void.
3022 (__variant_construct): Likewise.
3023 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
3024 __raw_idx_visit and make lambda return void.
3025 (_Multi_array::__untag_result): Add metafunction to check the function
3026 pointer type for a tag type that dictates the kind of visitation.
3027 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
3028 Use decltype(auto) instead of tagged function pointer type.
3029 (__gen_vtable_impl): Remove bool non-type parameter and unused
3030 _Variant_tuple parameter.
3031 (__gen_vtable_impl::__visit_invoke_impl): Remove.
3032 (__gen_vtable_impl::__do_visit_invoke): Remove.
3033 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
3034 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
3035 for the visit<R> case, rather than dispatching to separate functions.
3036 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
3038 (variant::swap): Likewise.
3039 (__do_visit): Replace two non-type template parameters with a single
3040 type parameter, so that the caller must specify the visitor's return
3041 type (or one of the tag types).
3042 (visit): Deduce a return type from the visitor and use the
3043 __deduce_visit_result tag to enforce that all overloads return the
3045 (visit<R>): Call __do_visit<R> with explicit result type.
3046 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
3049 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
3051 nonesuch is insufficiently useless (lwg2996)
3052 * include/std/type_traits (struct __nonesuch): Added private base
3053 class to make __nonesuch not an aggregate and removed deleted default
3055 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
3056 (operator=(const pair&)): Use __nonesuch instead of
3057 __nonesuch_no_braces.
3058 (operator=(pair&&)): Likewise
3059 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
3060 of __nonesuch_no_braces.
3061 (operator=(tuple&&)): Likewise
3062 * include/experimental/type_traits (struct nonesuch): Added private
3063 base class to make nonesuch not an aggregate and removed deleted
3064 default constructor.
3065 * testsuite/20_util/nonesuch/nonesuch.cc: New.
3066 * testsuite/experimental/type_traits/nonesuch.cc: New.
3068 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
3070 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
3071 (_Function_handler): Remove partial specializations for void return
3072 types and pointers to member.
3073 (_Function_handler::_M_manager): Adapt to removal of
3074 _Simple_type_wrapper.
3075 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
3076 * include/std/functional (_Bind_result::__enable_if_void)
3077 (_Bind_result::__disable_if_void): Remove sfinae helpers.
3078 (_Bind_result::__call): Use __invoke_r and remove overloads for void
3080 * include/std/future (__future_base::_Task_state::_M_run)
3081 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
3082 change return type of lambda expressions.
3084 * include/bits/invoke.h (__invoke_r): Define new function implementing
3085 the INVOKE<R> pseudo-function.
3086 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
3087 * testsuite/20_util/function_objects/invoke/2.cc: New test.
3089 * include/std/type_traits (__is_nt_convertible_helper): Define it
3090 unconditionally, not only for C++20.
3091 (__is_nothrow_convertible): Define internal trait for use in C++11.
3092 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
3093 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
3094 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
3095 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
3096 that has nothrow explicit conversion but potentially-throwing implicit
3098 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
3099 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
3100 function to only consider implicit conversions.
3101 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
3103 * include/std/iterator: Include <iosfwd> instead of <istream> and
3106 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
3107 Remove unused, non-standard function.
3109 * include/bits/regex.h (match_results::max_size()): Adjust return
3110 value to account for prefix/suffix/unmatched subs.
3111 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
3112 reset the contained sub matches.
3113 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
3114 function to set result state following a failed match.
3115 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
3116 sub_match states after _M_resize. Use _M_establish_failed_match.
3119 * include/std/thread (thread::_State_impl, thread::_S_make_state):
3120 Replace single _Callable parameter with variadic _Args pack, to
3121 forward them directly to the tuple of decayed copies.
3122 * testsuite/30_threads/thread/cons/69724.cc: New test.
3124 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
3126 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
3127 * include/bits/basic_string.h: (operator=(const basic_string&):
3128 Move allocator decision to assign.
3129 (assign(const basic_string&)): Move allocator decision here.
3130 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
3132 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
3135 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
3137 * testsuite/util/testsuite_allocator.h (memory_resource)
3138 (default_resource_mgr): Fix indentation.
3140 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
3141 Use operator-> to access raw pointer member.
3142 * testsuite/23_containers/vector/59829.cc: Likewise.
3143 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
3144 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
3145 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
3147 (PointerBase, PointerBase_void): Derive from NullablePointer and use
3148 its constructors and equality operators. Change converting
3149 constructors to use operator-> to access private member of the other
3151 (PointerBase_void::operator->()): Add, for access to private member.
3152 (operator-(PointerBase, PointerBase)): Change to hidden friend.
3153 (operator==(PointerBase, PointerBase)): Remove.
3154 (operator!=(PointerBase, PointerBase)): Remove.
3156 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
3157 not assume field called _M_head_impl is the first tuple element.
3158 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
3159 implementation more accurate.
3160 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
3161 empty pointer type and non-empty deleter.
3163 LWG 2899 - Make is_move_constructible correct for unique_ptr
3164 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
3165 move assignment operator.
3166 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
3167 (__uniq_ptr_data): New class template with conditionally deleted
3169 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
3170 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
3171 constructor and move assignment operator as defaulted.
3172 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
3173 __uniq_ptr_impl::release().
3174 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
3175 to __uniq_ptr_impl::reset(pointer).
3176 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
3177 Check for new __uniq_ptr_data type.
3178 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
3180 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
3182 PR libstdc++/90454.cc path construction from void*
3183 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
3184 pointers to void are rejected as well as void.
3185 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
3186 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
3188 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
3190 * doc/xml/manual/policy_data_structures.xml: Comment out stray
3191 <remark> elements. Fix formatting of bibliography references.
3193 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
3195 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
3197 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
3199 Remove Profile Mode, deprecated since 7.1.0
3200 * doc/Makefile.am: Remove XML file for profile mode docs.
3201 * doc/Makefile.in: Regenerate.
3202 * doc/xml/authors.xml: Remove authors of profile mode docs.
3203 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
3205 * doc/xml/manual/debug.xml: Likewise.
3206 * doc/xml/manual/evolution.xml: Document removal of profile mode.
3207 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
3208 * doc/xml/manual/spine.xml: Remove profile mode author credit.
3209 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
3211 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
3213 * doc/html/*: Regenerate.
3214 * include/Makefile.am: Remove profile mode headers.
3215 * include/Makefile.in: Regenerate.
3216 * include/bits/c++config (std::__profile): Remove namespace.
3217 [_GLIBCXX_PROFILE]: Remove checks for macro.
3218 * include/profile/array: Remove.
3219 * include/profile/base.h: Remove.
3220 * include/profile/bitset: Remove.
3221 * include/profile/deque: Remove.
3222 * include/profile/forward_list: Remove.
3223 * include/profile/impl/profiler.h: Remove.
3224 * include/profile/impl/profiler_algos.h: Remove.
3225 * include/profile/impl/profiler_container_size.h: Remove.
3226 * include/profile/impl/profiler_hash_func.h: Remove.
3227 * include/profile/impl/profiler_hashtable_size.h: Remove.
3228 * include/profile/impl/profiler_list_to_slist.h: Remove.
3229 * include/profile/impl/profiler_list_to_vector.h: Remove.
3230 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
3231 * include/profile/impl/profiler_node.h: Remove.
3232 * include/profile/impl/profiler_state.h: Remove.
3233 * include/profile/impl/profiler_trace.h: Remove.
3234 * include/profile/impl/profiler_vector_size.h: Remove.
3235 * include/profile/impl/profiler_vector_to_list.h: Remove.
3236 * include/profile/iterator_tracker.h: Remove.
3237 * include/profile/list: Remove.
3238 * include/profile/map: Remove.
3239 * include/profile/map.h: Remove.
3240 * include/profile/multimap.h: Remove.
3241 * include/profile/multiset.h: Remove.
3242 * include/profile/ordered_base.h: Remove.
3243 * include/profile/set: Remove.
3244 * include/profile/set.h: Remove.
3245 * include/profile/unordered_base.h: Remove.
3246 * include/profile/unordered_map: Remove.
3247 * include/profile/unordered_set: Remove.
3248 * include/profile/vector: Remove.
3249 * scripts/run_doxygen: Do not process profile mode headers.
3250 * testsuite/23_containers/array/element_access/60497.cc: Don't use
3252 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
3253 Remove dg-skip-if for profile mode.
3254 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
3255 preprocessor check for profile mode.
3256 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
3257 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
3259 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
3261 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
3262 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
3263 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
3264 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
3265 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
3267 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
3269 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
3271 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
3273 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
3274 preprocessor check for profile mode.
3275 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
3277 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
3278 Remove dg-skip-if for profile mode.
3279 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
3280 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
3281 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
3282 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
3283 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
3284 * testsuite/Makefile.am: Remove profile_flags variable and
3285 * testsuite/Makefile.am: Remove profile_flags variable and
3286 check-profile target.
3287 * testsuite/Makefile.in: Regenerate.
3288 * testsuite/ext/profile/all.cc: Remove.
3289 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
3290 * testsuite/ext/profile/profiler_algos.cc: Remove.
3291 * testsuite/ext/profile/replace_new.cc: Remove.
3292 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
3293 preprocessor check for profile mode.
3294 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
3295 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
3296 (check_v3_target_normal_mode): Do not check for profile mode macro.
3297 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
3299 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
3300 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
3301 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
3302 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
3303 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
3304 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
3305 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
3306 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
3307 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
3308 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
3310 Remove array_allocator extension, deprecated since 4.9.0
3311 * doc/xml/manual/allocator.xml: Remove documentation for
3313 * doc/xml/manual/evolution.xml: Document array_allocator removal.
3314 * doc/xml/manual/using.xml: Remove header from documentation.
3315 * include/Makefile.am: Remove <ext/array_allocator.h> header.
3316 * include/Makefile.in: Regenerate.
3317 * include/ext/array_allocator.h: Remove.
3318 * include/precompiled/extc++.h: Do not include removed header.
3319 * testsuite/ext/array_allocator/1.cc: Remove.
3320 * testsuite/ext/array_allocator/2.cc: Remove.
3321 * testsuite/ext/array_allocator/26875.cc: Remove.
3322 * testsuite/ext/array_allocator/3.cc: Remove.
3323 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
3324 * testsuite/ext/array_allocator/check_delete.cc: Remove.
3325 * testsuite/ext/array_allocator/check_new.cc: Remove.
3326 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
3327 * testsuite/ext/headers.cc: Do not include removed header.
3329 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
3331 * include/bits/stl_bvector.h
3332 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3334 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3336 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3338 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3340 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3342 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3344 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3346 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
3348 (_Bit_iterator::operator-(difference_type)): Likewise.
3349 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
3350 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
3352 (_Bit_const_iterator::operator-(difference_type)): Likewise.
3353 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
3355 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
3358 * testsuite/util/thread/all.h: Do not use remove_pointer for
3359 std::thread::native_handle_type.
3362 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
3363 (_Variant_storage<true, Types...>::_M_reset()))
3364 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
3365 (__get_storage): Likewise.
3366 (variant): Add noexcept to friend declarations for __get and
3370 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
3371 Use _Require for constraints.
3372 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
3374 (__uniq_ptr_hash): New base class with conditionally-disabled call
3376 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
3377 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
3378 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
3380 * include/bits/shared_ptr.h: Improve docs.
3381 * include/bits/shared_ptr_base.h: Likewise.
3382 * include/bits/stl_uninitialized.h: Likewise.
3383 * include/bits/unique_ptr.h: Likewise.
3384 * libsupc++/new: Likewise.
3386 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
3388 * include/bits/stl_deque.h
3389 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3391 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3393 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3395 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3397 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3399 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3401 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
3403 (_Deque_iterator<>::operator-(difference_type)): Likewise.
3405 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
3408 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
3409 (test01): Reserve for number of insertions to avoid rehash during test.
3410 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
3412 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
3417 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
3419 * include/experimental/bits/fs_path.h: Improve docs.
3420 * include/experimental/bits/net.h: Fix wrong header name in comment.
3421 Do not document implementation details.
3422 * include/experimental/netfwd: Fix doxygen grouping.
3424 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
3426 * include/bits/stl_pair.h: Improve docs.
3427 * include/std/tuple: Likewise.
3429 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
3431 * include/std/chrono: Improve docs.
3432 * include/std/ratio: Do not document implementation details.
3433 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
3435 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
3438 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
3439 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
3440 (__duration_common_type): New helper.
3441 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
3442 __duration_common_type.
3443 (__timepoint_common_type_wrapper): Replace with ...
3444 (__timepoint_common_type): New helper.
3445 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
3446 Use __time_point_common_type.
3447 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
3448 (__common_type_impl): If either argument is transformed by decay,
3449 use the common_type of the decayed types.
3450 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
3451 decayed, use __do_common_type_impl to get the common_type.
3452 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
3453 (__do_member_type_wrapper, __member_type_wrapper)
3454 (__expanded_common_type_wrapper): Remove.
3455 (__common_type_pack, __common_type_fold): New helpers.
3456 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
3457 __member_type_wrapper and __expanded_common_type_wrapper.
3458 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
3459 Test zero-length template argument list.
3460 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
3461 Test single argument cases and argument types that should decay.
3462 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
3463 Adjust expected error.
3464 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
3466 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
3467 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
3468 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
3470 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
3472 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
3474 Make allocator propagation more consistent for
3475 operator+(basic_string) (P1165R1)
3476 * include/bits/basic_string.h
3477 (operator+(basic_string&&, basic_string&&): Changed resulting
3478 allocator to always be the one from the first parameter.
3479 * include/bits/basic_string.tcc
3480 (operator+(const _CharT*, const basic_string&)): Changed
3481 resulting allocator to be SOCCC on the second parameter's allocator.
3482 (operator+(_CharT, const basic_string&)): Likewise.
3483 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
3485 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
3488 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
3490 * include/bits/regex.h: Improve docs.
3491 * include/bits/regex.tcc: Do not document implementation details.
3493 * testsuite/19_diagnostics/error_code/hash.cc: New test.
3495 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
3497 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
3498 Add type printer for container types in std::__debug namespace.
3499 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
3500 (gdb-tests): Use distinct parameters for the type of test and use of
3502 (gdb-test): Check for regex test even if 'whatis' test.
3503 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
3505 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
3506 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
3507 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
3508 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
3509 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
3510 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
3511 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
3513 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
3515 * include/std/system_error (error_category): Fix comment.
3518 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
3519 argument is an empty path.
3520 (absolute(const path&, error_code&)): Use invalid_argument as error
3521 code instead of no_such_file_or_directory.
3522 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
3523 of non-existent paths and empty paths with both overloads of absolute.
3525 * include/std/system_error (error_category, error_code)
3526 (error_condition): Improve docs.
3527 * libsupc++/exception: Add missing @addtogroup Doxygen command.
3528 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
3529 to class documentation. Suppress documentation for implementation
3531 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
3532 Suppress documentation for implementation details.
3534 * include/std/system_error (error_code): Remove friend declaration
3535 for hash<error_code>.
3536 (hash<error_code>::operator()): Use public member functions to access
3538 (hash<error_condition>::operator()): Use address of category, not
3539 its object representation.
3540 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
3541 Use public member functions to access value and category.
3542 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
3544 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
3546 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
3547 * include/bits/hashtable_policy.h
3548 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
3549 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
3550 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
3551 smaller than input value rather than always greater. Preserve
3552 _M_next_resize if called with 0 input. Use __builtin_floorl.
3553 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
3554 elements + number of insertions is greater than _M_next_resize. Start
3555 with 11 buckets if not told otherwise. Use __builtin_floorl.
3556 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
3557 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
3558 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
3559 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
3560 told otherwise. Use __builtin_floorl.
3561 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
3562 to also validate _Power2_rehash_policy.
3563 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
3566 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
3569 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
3573 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
3574 overflow warning with -Wpedantic -Wsystem-headers.
3576 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
3579 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
3580 * include/bits/move.h (swap): Remove extra parentheses.
3582 * include/experimental/bits/lfts_config.h: Improve doc markup.
3583 * include/experimental/optional: Improve docs.
3584 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
3585 (__constexpr_addressof): Remove.
3586 (optional::operator->()): Use std::__addressof().
3587 * include/std/optional (optional::operator->()): Adjust whitespace.
3588 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
3589 that operator-> is still constexpr with overloaded operator&. Change
3590 to compile-only test.
3591 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
3594 * include/bits/shared_ptr.h: Improve docs.
3595 * include/bits/shared_ptr_atomic.h: Likewise.
3596 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
3598 * include/bits/basic_string.h: Fix iterator/index confusion in
3600 * include/bits/range_access.h: Fix Doxygen warnings.
3601 * include/bits/refwrap.h: Do not document implementation details.
3602 (ref, cref): Group docs with reference_wrapper.
3603 * include/std/fstream: Fix Doxygen markup.
3604 * libsupc++/initializer_list (begin, end): Group docs with
3607 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
3609 * include/bits/unique_lock.h: Fix/improve doxygen markup.
3610 * include/std/mutex: Likewise.
3611 * include/std/shared_mutex: Likewise.
3613 * include/bits/fs_dir.h: Fix/improve doxygen markup.
3614 * include/bits/fs_fwd.h: Likewise.
3615 * include/bits/fs_ops.h: Likewise.
3616 * include/bits/fs_path.h: Likewise.
3617 * include/std/filesystem: Likewise.
3619 * include/experimental/bits/net.h: Fix/improve doxygen markup.
3620 * include/experimental/buffer: Likewise.
3621 * include/experimental/executor: Likewise.
3622 * include/experimental/internet: Likewise.
3623 * include/experimental/io_context: Likewise.
3624 * include/experimental/net: Likewise.
3625 * include/experimental/netfwd: Likewise.
3626 * include/experimental/socket: Likewise.
3627 * include/experimental/timer: Likewise.
3629 * doc/doxygen/doxygroups.cc: Move description of experimental group
3631 * include/experimental/algorithm: Add to libfund-ts doc group.
3632 * include/experimental/any: Likewise. Do not document implementation
3634 * include/experimental/array: Add to libfund-ts doc group.
3635 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
3636 for Library Fundamentals.
3637 * include/experimental/chrono: Add to libfund-ts doc group.
3638 * include/experimental/deque: Likewise.
3639 * include/experimental/forward_list: Likewise.
3640 * include/experimental/functional: Likewise.
3641 * include/experimental/iterator: Likewise.
3642 * include/experimental/list: Likewise.
3643 * include/experimental/map: Likewise.
3644 * include/experimental/memory: Likewise.
3645 * include/experimental/memory_resource: Likewise. Improve docs.
3647 * include/experimental/numeric: Add to libfund-ts doc group.
3648 * include/experimental/optional: Likewise.
3649 * include/experimental/propagate_const: Likewise.
3650 * include/experimental/random: Likewise.
3651 * include/experimental/ratio: Likewise.
3652 * include/experimental/regex: Likewise.
3653 * include/experimental/set: Likewise.
3654 * include/experimental/source_location: Likewise.
3655 * include/experimental/string: Likewise.
3656 * include/experimental/string_view: Likewise.
3657 * include/experimental/system_error: Likewise.
3658 * include/experimental/tuple: Likewise.
3659 * include/experimental/type_traits: Likewise.
3660 * include/experimental/unordered_map: Likewise.
3661 * include/experimental/unordered_set: Likewise.
3662 * include/experimental/utility: Likewise.
3663 * include/experimental/vector: Likewise.
3664 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
3665 * testsuite/experimental/array/neg.cc: Adjust dg-error.
3666 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
3668 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
3669 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
3670 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
3671 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
3672 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
3674 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
3675 * include/experimental/bits/fs_fwd.h: Improve docs.
3676 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
3677 * include/experimental/bits/fs_path.h: Likewise.
3678 (path, filesystem_error, u8path): Improve docs.
3679 * include/experimental/filesystem: Link to docs for TS.
3681 * config/allocator/new_allocator_base.h (__allocator_base): Add
3682 workaround for Doxygen bug #6945.
3683 * include/std/memory: Improve docs. Define group for pointer safety.
3684 * include/std/scoped_allocator: Improve docs. Use "undocumented"
3685 conditional to suppress documentation for implementation details.
3687 * include/bits/specfun.h: Improve docs.
3688 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
3691 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
3692 (std::experimental): Add docs.
3693 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
3694 namespace to nothing when generating docs.
3695 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
3696 * include/std/chrono (std::chrono): Likewise.
3697 * include/std/functional (std::placeholders): Likewise.
3698 * include/std/thread (std::this_thread): Likewise.
3700 * include/parallel/settings.h: Fix Doxygen markup.
3702 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
3703 anything unless PB_DS_CLASS_C_DEC is defined.
3704 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
3705 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
3706 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
3707 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
3708 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
3709 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
3710 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
3712 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
3713 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
3714 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
3715 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
3716 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
3717 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
3718 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
3719 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
3720 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
3721 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
3722 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
3724 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
3725 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
3727 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
3730 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
3731 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
3732 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
3735 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3737 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
3738 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
3739 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
3740 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
3741 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
3742 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
3744 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
3745 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
3748 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
3751 * include/std/complex (__complex_proj): Return parameter unchanged.
3752 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
3753 floating-point types to take std::complex arguments.
3754 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
3755 floating-point types.
3756 * testsuite/26_numerics/complex/proj.cc: New test.
3758 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3760 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
3761 to _Lock_policyE[012].
3762 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3764 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
3766 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
3767 macros accidentally left in.
3768 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
3769 unnecessary -lstdc++fs option. Fix test for mingw.
3770 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
3773 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3775 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3777 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
3779 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
3781 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
3782 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
3785 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
3787 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
3790 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
3791 class template and partial specialization.
3794 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
3796 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
3797 functions to convert a value to an integral type.
3798 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
3799 (fill_n): Convert _Size parameter to an integral type.
3800 * testsuite/25_algorithms/fill_n/87982.cc: New test.
3801 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
3802 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
3803 * testsuite/25_algorithms/generate_n/87982.cc: New test.
3804 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
3805 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
3807 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
3809 Adding noexcept-specification on tuple constructors (LWG 2899)
3810 * libstdc++-v3/include/std/tuple:
3811 (tuple()): Add noexcept-specification.
3812 (tuple(const _Elements&...)): Likewise
3813 (tuple(_UElements&&...)): Likewise
3814 (tuple(const tuple<_UElements...>&)): Likewise
3815 (tuple(tuple<_UElements...>&&)): Likewise
3816 (tuple(const _T1&, const _T2&)): Likewise
3817 (tuple(_U1&&, _U2&&)): Likewise
3818 (tuple(const tuple<_U1, _U2>&): Likewise
3819 (tuple(tuple<_U1, _U2>&&): Likewise
3820 (tuple(const pair<_U1, _U2>&): Likewise
3821 (tuple(pair<_U1, _U2>&&): Likewise
3822 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
3824 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
3827 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
3828 arguments with __restrict.
3830 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
3832 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
3834 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
3836 * include/experimental/bits/fs_path.h
3837 (path::_S_convert_loc<_InputIterator>): Create const std::string to
3838 avoid redundant call to _S_convert_loc with non-const pointers.
3840 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
3841 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
3842 * testsuite/21_strings/basic_string/hash/hash.cc
3843 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
3844 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
3845 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
3847 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
3848 wstring::_M_replace_dispatch with more specific patterns.
3849 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
3850 Create const std::string to avoid redundant call to _S_convert_loc
3851 with non-const pointers.
3852 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
3853 avoid unnecessary basic_string::assign instantiations.
3855 * include/std/memory (__uses_alloc_args): Add string-literal to
3856 static_assert, to match the one in __uses_alloc.
3857 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
3858 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
3859 for recursive uses-allocator construction of nested pairs.
3860 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
3863 2019-04-26 Jakub Jelinek <jakub@redhat.com>
3865 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
3866 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
3867 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
3868 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
3870 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3871 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
3872 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
3873 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
3874 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
3875 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
3876 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3878 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
3881 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
3882 * include/std/scoped_allocator [__cplusplus > 201703L]
3883 (scoped_allocator_adaptor::construct): Define in terms of
3884 uses_allocator_construction_args, as per P0591R4.
3885 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
3886 * testsuite/util/testsuite_allocator.h: Remove name of unused
3889 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
3891 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
3892 * doc/html/*: Regenerate.
3894 * include/bits/fs_path.h (operator<, operator<=, operator>)
3895 (operator>=, operator==, operator!=): Make hidden friends, as per
3897 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
3898 string type in test.
3899 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
3901 * include/std/any (any::any(ValueType&&)): Use __and_v.
3902 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
3905 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
3907 * include/std/type_traits (__result_of_memfun): Use remove_reference
3908 instead of __remove_cvref_t and remove redundant is_same check.
3909 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
3911 * include/experimental/string_view (basic_string_view::pointer)
3912 (basic_string_view::reference): Fix to refer to non-const value_type.
3913 * include/bits/basic_string.h (basic_string): Use __sv_check and
3914 __sv_limit instead of basic_string_view::_M_check and
3915 basic_string_view::_M_limit.
3916 * include/std/string_view (__sv_check, __sv_limit): New
3917 helper functions to replace basic_string_view::_M_check and
3918 basic_string_view::_M_limit.
3919 (basic_string_view): Add static assertions to enforce ill-formed
3920 requirement for traits_type::char_type from P1148R0, and to enforce
3921 required properties of char-like types.
3922 (basic_string_view::pointer, basic_string_view::reference): Fix to
3923 refer to non-const value_type.
3924 (basic_string_view::operator[], basic_string_view::at)
3925 (basic_string_view::front, basic_string_view::back)
3926 (basic_string_view::data): Use const_reference and const_pointer
3927 typedefs for return types.
3928 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
3929 (hash<wstring_view>): Fix argument_type typedef.
3930 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3931 char/1.cc: Fix expected return type of basic_string_view::data().
3932 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3933 wchar_t/1.cc: Likewise.
3934 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3935 char/1.cc: Likewise.
3936 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3937 wchar_t/1.cc: Likewise.
3938 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
3940 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
3941 Check reference and pointer typedefs.
3942 * testsuite/experimental/string_view/requirements/typedefs.cc:
3944 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
3945 Fix expected return type of basic_string_view::data().
3946 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
3948 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
3950 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
3954 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
3955 Avoid a runtime check for types that can never be stored in std::any.
3956 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3959 PR libstdc++/90220 (partial)
3960 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
3961 not attempt ill-formed static_cast to pointers to non-object types.
3962 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3965 * testsuite/20_util/variant/run.cc: Catch exception by reference to
3966 prevent -Wcatch-value warning.
3968 * include/std/variant (__variant_construct): Use template parameter
3969 type instead of equivalent decltype-specifier.
3970 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
3971 Replace forward with move.
3972 (_Move_ctor_base<false, Types...>::_M_destructive_move)
3973 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
3974 (_Move_ctor_base<true, Types...>::_M_destructive_move)
3975 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
3976 index after construction succeeds.
3977 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
3978 if-constexpr checks that are always true. Use __remove_cvref_t instead
3979 of remove_reference so that is_nothrow_move_constructible check
3980 doesn't use a const rvalue parameter. In the potentially-throwing case
3981 construct a temporary and move assign it, as per LWG 2904.
3982 (_Move_assign_base<false, Types...>::operator=): Remove redundant
3983 if-constexpr checks that are always true. Use emplace as per LWG 2904.
3984 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
3985 construct a temporary and move assign from it, as per LWG 2904.
3986 * testsuite/20_util/variant/exception_safety.cc: Check that
3987 assignment operators have strong exception safety guarantee.
3989 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
3991 Document PSTL linker flags
3993 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
3995 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
3997 * include/std/variant (__detail::__variant::_Traits): Make
3998 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
3999 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
4001 (__detail::__variant::_Copy_assign_alias): Only depend on
4002 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
4003 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
4004 move assignment operators.
4007 * include/std/variant (variant::__not_self): New helper for the
4008 is_same_v<remove_cvref_t<T>, variant>==false constraints.
4009 (variant::__to_type_impl): Remove.
4010 (variant::__to_type): Add default argument to check pack size, instead
4011 of using __to_type_impl.
4012 (variant::__accepted_type): Add default argument using __not_self.
4013 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
4014 for variant(T&&) constructor constraint.
4015 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
4016 Extract __accepted_type into a named template parameter for reuse in
4017 other constraints and in the exception specification.
4018 (variant::variant(in_place_type_t<T>, Args&&...))
4019 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
4020 (variant::variant(in_place_index_t<T>, Args&&...))
4021 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
4022 (variant::operator=T&&)): Remove redundant && from trait arguments.
4023 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
4024 isn't used for in_place_type or in_place_index arguments.
4026 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
4027 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
4028 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
4030 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4031 Bernd Edlinger <bernd.edlinger@hotmail.de>
4032 Jakub Jelinek <jakub@redhat.com>
4035 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
4036 general-regs-only target attribute for ARM.
4038 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
4041 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
4042 specialization also depend on is_nothrow_move_constructible.
4043 * include/std/variant (__detail::__variant::__never_valueless()):
4044 Only true if the variant would have a move assignment operator.
4045 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
4046 Check __never_valueless<T...>().
4047 (variant::emplace): Only perform non-throwing move assignments
4048 for never-valueless alternatives if the variant has a move assignment
4050 * testsuite/20_util/variant/compile.cc: Check that never-valueless
4051 types can be emplaced into non-assignable variants.
4052 * testsuite/20_util/variant/run.cc: Check that never-valueless types
4053 don't get copied when emplaced into non-assignable variants.
4055 * include/std/variant (__detail::__variant::__ref_cast): Remove
4057 (__detail::__variant::_Uninitialized::_M_get)
4058 (__detail::__variant::__get)
4059 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
4061 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
4063 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
4065 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
4066 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
4067 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
4068 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
4070 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
4072 Delegate PSTL configuration to pstl/pstl_config.h
4074 * include/bits/c++config: Remove explicit PSTL configuration
4075 macros and use definitions from <pstl/pstl_config.h>.
4077 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
4079 Cleanup algorithm implementations
4080 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
4082 (mismatch): Forward execution policy.
4083 (equal): Qualify call to std::equal().
4084 (partial_sort): Forward execution policy.
4085 (inplace_merge): Forward execution policy.
4087 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
4089 Improve implementation of parallel equal()
4090 * include/pstl/algorithm_impl.h
4091 (__internal::__brick_equal): use "4 iterator" version of
4093 (__internal::__brick_equal): use simd for random access
4094 iterators on unsequenced execution policies.
4095 (__internal::__pattern_equal): add "4 iterator" version
4096 (__internal::__pattern_equal): dispatch to simd __brick_equal
4097 for vector-only execution policies.
4098 (__internal::__pattern_equal): dispatch to __parallel_or for
4099 parallel execution policies.
4100 * include/pstl/glue_algorithm_impl.h
4101 (std::equal): dispatch to "4 iterator" version of
4102 __internal::__pattern_equal().
4104 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
4107 * include/bits/forward_list.h (operator==): Do not use operator!= to
4109 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
4110 earlier in the list, so that sort is stable.
4111 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
4112 * testsuite/23_containers/forward_list/comparable.cc: Test with
4113 types that meet the minimum EqualityComparable and LessThanComparable
4114 requirements. Remove irrelevant comment.
4116 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
4117 Do not depend on whether all alternative types are move constructible.
4118 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
4119 from the operand when deciding whether to perform the assignment.
4120 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
4121 with deleted move constructor and deleted move assignment operator.
4122 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
4123 behaviour of variants with DeletedMoves as an alternative.
4124 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
4125 (move_ctor, move_assign): Check that moving a variant with a
4126 DeletedMoves alternative falls back to copying instead of moving.
4128 * testsuite/20_util/variant/compile.cc: Remove empty string literals
4129 from static_assert declarations.
4131 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
4132 actually match its name.
4133 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
4134 (test_swap()): Fix result for MoveCtorOnly and check
4135 MoveCtorAndSwapOnly.
4137 * include/std/optional (optional::value_or(U&&) &&): Add missing
4138 constexpr specifier.
4139 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
4140 for disengaged optionals and rvalue optionals.
4141 * testsuite/20_util/optional/observers/4.cc: Likewise.
4143 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
4145 * include/pstl/algorithm_impl.h: Uglify identfiers.
4146 * include/pstl/numeric_impl.h: Uglify identfiers.
4147 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
4149 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
4151 * include/bits/c++config:
4152 Add definition for __PSTL_ASSERT.
4153 Add definition for __PSTL_ASSERT_MSG.
4154 * include/pstl/algorithm_impl.h: Replace use of assert().
4155 * include/pstl/numeric_impl.h: Replace use of assert().
4156 * include/pstl/parallel_backend_tbb.h:
4157 Replace use of assert().
4158 Replace use of __TBB_ASSERT().
4159 * include/pstl/parallel_backend_utils.h: Replace use of assert().
4161 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
4164 * src/c++17/memory_resource.cc
4165 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
4166 needed to allow placing a _Chunk at the end of the buffer.
4167 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
4169 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
4171 * doc/xml/faq.xml: Add information about emergency EH pool.
4172 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
4173 Move outdated information on mt_allocator to a separate section.
4174 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
4175 doesn't affect the default allocator.
4177 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
4181 * testsuite/20_util/variant/89851.cc: New test.
4183 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
4185 * include/std/variant: Adjust whitespace. Add comments.
4186 (_Multi_array): Leave primary template undefined.
4187 (_Multi_array<_Tp>): Define partial specialization for base case of
4189 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
4190 which is always a reference.
4191 (__gen_vtable::_S_apply()): Remove function, inline body into
4192 default member initializer.
4193 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
4195 * include/std/variant (__variant_idx_cookie): Add member type.
4196 (__visitor_result_type): Remove.
4197 (__do_visit): Use invoke_result instead of __visitor_result_type.
4198 * testsuite/20_util/variant/visit.cc: New test.
4201 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
4203 * testsuite/20_util/variant/90008.cc: New test.
4205 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
4207 * include/pstl/algorithm_impl.h: Add namespace qualification.
4208 * include/pstl/execution_defs.h: Add namespace qualification.
4209 * include/pstl/execution_impl.h: Add namespace qualification.
4210 * include/pstl/numeric_impl.h: Add namespace qualification.
4211 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
4212 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
4213 * include/pstl/parallel_backend_utils.h: Include <cassert>.
4215 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
4217 Fix visit<R> for variant.
4218 * include/std/variant (__do_visit): Add a template parameter
4219 for enforcing same return types for visit.
4220 (__gen_vtable_impl): Likewise.
4221 (_S_apply_single_alt): Adjust.
4222 (__visit_invoke_impl): New. Handle casting to void.
4223 (__do_visit_invoke): New. Enforces same return types.
4224 (__do_visit_invoke_r): New. Converts return types.
4225 (__visit_invoke): Adjust.
4226 (__gen_vtable): Add a template parameter for enforcing
4227 same return types for visit.
4228 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
4229 different return types.
4230 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
4231 visitors with different return types don't accidentally
4232 compile with regular visitation.
4234 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
4236 * testsuite/27_io/filesystem/iterators/caching.cc: Add
4237 dg-require-filesystem-ts.
4239 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
4241 * doc/xml/manual/status_cxx2020.xml: Update status.
4242 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
4243 * testsuite/20_util/variant/visit_r.cc: New test.
4245 * include/bits/fs_dir.h (directory_iterator::operator*)
4246 (directory_iterator::operator->): Add noexcept.
4247 (operator==, operator!=): Replace namespace-scope equality operators
4248 for directory iterators with hidden friends.
4251 * config/abi/pre/gnu.ver: Add missing exports.
4252 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
4255 * config/abi/pre/gnu.ver: Export new symbols.
4256 * include/bits/fs_dir.h (recursive_directory_iterator::options())
4257 (recursive_directory_iterator::recursion_pending())
4258 (recursive_directory_iterator::disable_recursion_pending()): Remove
4259 inline definitions. Make noexcept.
4260 (recursive_directory_iterator::depth())
4261 (recursive_directory_iterator::operator*())
4262 (recursive_directory_iterator::operator->()): Make noexcept.
4263 (recursive_directory_iterator::_M_options)
4264 (recursive_directory_iterator::_M_pending): Remove data members.
4265 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
4266 (recursive_directory_iterator::recursive_directory_iterator): Remove
4267 ctor-initializer. Use new constructor for _Dir_stack.
4268 (recursive_directory_iterator::options())
4269 (recursive_directory_iterator::recursion_pending())
4270 (recursive_directory_iterator::disable_recursion_pending()): Add
4271 non-inline definitions.
4272 (recursive_directory_iterator::depth()): Make noexcept.
4273 (recursive_directory_iterator::increment(error_code&))
4274 (recursive_directory_iterator::pop(error_code&)): Adjust to new
4275 location of options and recursion_pending members.
4276 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
4277 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
4278 user-declared move constructor and assignment operator, to make the
4281 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
4282 d_type == DT_UNKNOWN immediately.
4283 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
4285 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
4287 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
4289 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
4290 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
4293 PR libstdc++/87431 (again)
4294 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
4295 Define partial specialization for basic_string.
4296 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
4297 shared_ptr and weak_ptr.
4298 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
4300 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
4302 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
4304 * include/debug/vector (_Never_valueless_alt): Likewise for debug
4306 * include/std/any (_Never_valueless_alt): Define explicit
4307 specialization for any.
4308 * include/std/variant (_Never_valueless_alt): Define primary template.
4309 (__never_valueless): Use _Never_valueless_alt instead of
4310 is_trivially_copyable.
4311 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
4312 initializations to avoid try-catch overhead. Add special case for
4313 scalars produced by potentially-throwing conversions. Use
4314 _Never_valueless_alt instead of is_trivially_copyable for the
4315 remaining strong exception-safety cases.
4316 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
4317 * testsuite/20_util/variant/87431.cc: Run both test functions.
4318 * testsuite/20_util/variant/exception_safety.cc: New test.
4319 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
4320 so the variant becomes valueless.
4322 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
4325 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
4327 (variant::emplace<_Tp>): Return result of emplace<N> directly.
4329 * include/std/string (__hash_string_base): New class template defining
4330 operator() for hashing strings.
4331 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
4332 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
4333 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
4334 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
4336 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
4338 Use single-visitation in variant assignment and swap and relops.
4339 Also use indices instead of types when checking whether
4340 variants hold the same thing.
4341 * include/std/variant (__do_visit): Add a template parameter
4342 for index visitation, invoke with indices if index visitation
4344 (__variant_idx_cookie): New.
4345 (__visit_with_index): Likewise.
4346 (_Copy_assign_base::operator=): Do single-visitation with
4348 (_Move_assign_base::operator=): Likewise.
4349 (_Extra_visit_slot_needed): Adjust.
4350 (__visit_invoke): Call with indices if it's an index visitor.
4351 (relops): Do single-visitation with an index visitor.
4353 (__visitor_result_type): New.
4355 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
4357 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
4359 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
4361 Don't revisit a variant we are already visiting.
4362 * include/std/variant (__variant_construct_single): New.
4363 (__variant_construct): Use it.
4364 (_M_destructive_move): Likewise.
4365 (_M_destructive_copy): Likewise.
4366 (_Copy_assign_base::operator=): Adjust.
4367 (_Move_assign_base::operator=): Likewise.
4370 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
4373 * include/bits/hashtable.h (_Hashtable): Move static assertions to
4374 destructor so they are not evaluated until the _Key type is complete.
4375 * include/bits/stl_tree.h (_Rb_tree): Likewise.
4376 * testsuite/23_containers/set/85965.cc: New test.
4377 * testsuite/23_containers/unordered_set/85965.cc: New test.
4378 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
4379 with regexp matching the corresponding _Rb_tree specialization.
4380 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
4381 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
4382 * testsuite/23_containers/set/48101_neg.cc: Likewise.
4383 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
4384 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
4385 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
4386 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
4388 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
4391 Fix based on a suggestion by Antony Polukhin.
4392 * include/std/variant (__never_valueless): New.
4394 (_Extra_visit_slot_needed): New.
4395 (_Multi_array): Use it.
4396 (_S_apply_all_alts): Likewise.
4398 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
4401 Fix based on a suggestion by Antony Polukhin.
4402 * include/std/variant (__gen_vtable): Don't reserve an
4403 additional table slot, _Multi_array already does that.
4405 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
4408 Fix based on a suggestion by Antony Polukhin.
4409 * include/std/variant (__variant_construct): Capture a pointer
4410 to the storage and visit just one variant.
4412 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
4414 * doc/xml/manual/backwards_compatibility.xml: Remove link to
4415 Doxygen-generated pages with unstable URL.
4416 * doc/xml/manual/concurrency_extensions.xml: Likewise.
4417 * doc/xml/manual/extensions.xml: Likewise.
4418 * doc/xml/manual/parallel_mode.xml: Likewise.
4419 * doc/xml/manual/support.xml: Likewise.
4421 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
4422 avoid -Wconversion warnings.
4424 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
4426 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
4427 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
4428 (allstamped): Add stamp-pstl.
4429 (install-headers): Add ptsl_builddir.
4430 * include/Makefile.in: Regenerate.
4431 * include/bits/c++config: Add pstl configuration.
4432 * include/pstl/LICENSE.txt: New file.
4433 * include/pstl/algorithm_fwd.h: New file.
4434 * include/pstl/algorithm_impl.h: New file.
4435 * include/pstl/execution_defs.h: New file.
4436 * include/pstl/execution_impl.h: New file.
4437 * include/pstl/glue_algorithm_defs.h: New file.
4438 * include/pstl/glue_algorithm_impl.h: New file.
4439 * include/pstl/glue_execution_defs.h: New file.
4440 * include/pstl/glue_memory_defs.h: New file.
4441 * include/pstl/glue_memory_impl.h: New file.
4442 * include/pstl/glue_numeric_defs.h: New file.
4443 * include/pstl/glue_numeric_impl.h: New file.
4444 * include/pstl/memory_impl.h: New file.
4445 * include/pstl/numeric_fwd.h: New file.
4446 * include/pstl/numeric_impl.h: New file.
4447 * include/pstl/parallel_backend.h: New file.
4448 * include/pstl/parallel_backend_tbb.h: New file.
4449 * include/pstl/parallel_backend_utils.h: New file.
4450 * include/pstl/parallel_impl.h: New file.
4451 * include/pstl/pstl_config.h: New file.
4452 * include/pstl/unseq_backend_simd.h: New file.
4453 * include/pstl/utils.h: New file.
4454 * include/std/algorithm: Include parallel algorithm implementations.
4455 * include/std/execution: New file.
4456 * include/std/memory: Include parallel algorithm implementations.
4457 * include/std/numeric: Include parallel algorithm implementations.
4458 * include/std/version: Add parallel algorithms feature test macro.
4459 * testsuite/util/pstl/pstl_test_config.h: New file.
4460 * testsuite/util/pstl/test_utils.h: New file.
4461 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
4462 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
4463 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
4464 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
4465 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
4466 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
4467 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
4468 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
4469 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
4470 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
4471 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
4472 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
4473 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
4474 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
4475 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
4476 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
4477 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
4478 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
4479 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
4480 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
4481 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
4482 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
4483 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
4484 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
4485 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
4486 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
4487 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
4488 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
4489 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
4490 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
4491 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
4492 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
4493 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
4494 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
4495 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
4496 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
4497 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
4498 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
4499 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
4500 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
4501 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
4502 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
4503 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
4504 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
4505 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
4506 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
4507 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
4508 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
4509 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
4510 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
4511 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
4512 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
4513 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
4514 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
4515 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
4516 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
4517 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
4518 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
4519 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
4520 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
4521 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
4522 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
4523 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
4524 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
4525 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
4526 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
4527 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
4528 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
4529 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
4530 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
4531 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
4532 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
4533 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
4534 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
4535 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
4536 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
4537 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
4538 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
4539 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
4540 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
4541 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
4542 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
4543 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
4544 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
4545 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
4546 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
4547 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
4548 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
4549 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
4550 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
4551 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
4552 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
4553 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
4554 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
4555 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
4556 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
4557 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
4558 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
4559 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
4560 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
4561 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
4562 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
4563 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
4564 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
4565 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
4566 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
4568 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
4570 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
4571 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
4572 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
4573 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
4574 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
4575 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
4576 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
4577 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
4578 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
4579 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
4580 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
4581 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
4582 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
4583 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
4584 when the special functions IS is enabled, not for C++17.
4585 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
4587 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
4588 without checks for special functions in C++17.
4589 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
4593 * include/backward/hash_map: Use <> for includes not "".
4594 * include/backward/hash_set: Likewise.
4595 * include/backward/strstream: Likewise.
4596 * include/tr1/bessel_function.tcc: Likewise.
4597 * include/tr1/exp_integral.tcc: Likewise.
4598 * include/tr1/legendre_function.tcc: Likewise.
4599 * include/tr1/modified_bessel_func.tcc: Likewise.
4600 * include/tr1/riemann_zeta.tcc: Likewise.
4602 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
4604 * doc/xml/manual/allocator.xml: Link to table documenting evolution
4605 of extension allocators.
4606 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
4607 Document new headers in 7.2, 8.1 and 9.1 releases.
4608 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
4609 * doc/html/*: Regenerate.
4611 2019-03-12 John David Anglin <dave.anglin@bell.net>
4614 * testsuite/lib/libstdc++.exp: Locate libatomic.
4615 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
4616 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
4618 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
4619 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
4620 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
4621 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
4623 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
4626 * configure.ac: Check for sockatmark.
4627 * crossconfig.m4: Check for sockatmark.
4628 * config.h.in: Regenerate.
4629 * configure: Regenerate.
4630 * include/experimental/internet (address_v4::_S_hton): Rename
4631 overloaded functions to _S_hton_16 and _S_ntoh_16.
4632 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
4633 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
4634 * include/experimental/socket (basic_socket::at_mark): Check
4635 _GLIBCXX_HAVE_SOCKATMARK.
4637 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
4638 const variables instead of macros.
4641 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
4642 Use correct type for len_aligned.
4643 * testsuite/20_util/hash/89629.cc: New test.
4645 2019-03-11 Jakub Jelinek <jakub@redhat.com>
4648 * include/std/atomic (atomic<T>::store, atomic<T>::load,
4649 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
4650 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
4651 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
4652 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
4653 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
4654 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
4655 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
4656 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
4657 memory_order_seq_cst to int.
4659 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
4661 * doc/xml/manual/using.xml: Use link element instead of xref.
4662 * doc/html/*: Regenerate.
4664 * include/bits/fs_path.h (path::format): Add fixed underlying type.
4666 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
4669 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
4670 parameters in deduction guides.
4671 * include/debug/multimap.h (multimap): Likewise.
4672 * include/debug/set.h (multimap): Likewise.
4673 * include/debug/multiset.h (multimap): Likewise.
4674 * include/debug/unordered_map (unordered_map): Likewise.
4675 (unordered_multimap): Likewise.
4676 * include/debug/unordered_set (unordered_set): Likewise.
4677 (unordered_multiset): Likewise.
4680 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
4681 Invalidate all iterators in case of rehash.
4682 (unordered_multimap<>::_M_check_rehashed): Likewise.
4683 * include/debug/unordered_set
4684 (unordered_set<>::_M_check_rehashed): Likewise.
4685 (unordered_multiset<>::_M_check_rehashed): Likewise.
4686 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
4688 2019-03-07 Andreas Schwab <schwab@suse.de>
4690 * config/abi/post/riscv64-linux-gnu: New directory.
4691 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
4693 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
4695 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
4696 compile test to run. Fix typo.
4698 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
4699 * doc/html/*: Regenerate.
4701 P0356R5 Simplified partial function application
4702 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
4703 helpers for bind_front.
4704 (bind_front, __cpp_lib_bind_front): Define.
4705 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
4707 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4709 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
4710 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
4711 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
4712 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
4714 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
4716 PR libstdc++/86655 - std::assoc_legendre should not constrain
4717 the value of m (or x).
4718 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
4719 __sph_legendre): If degree > order Don't throw, return 0.
4720 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
4721 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
4722 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
4723 * testsuite/tr1/5_numerical_facilities/special_functions/
4724 02_assoc_legendre/pr86655.cc: New test.
4725 * testsuite/tr1/5_numerical_facilities/special_functions/
4726 22_sph_legendre/pr86655.cc: New test.
4728 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
4731 Also PR libstdc++/85517
4732 * include/std/variant (__do_visit): New.
4733 (__variant_cast): Likewise.
4734 (__variant_cookie): Likewise.
4735 (__erased_*): Remove.
4736 (_Variant_storage::_S_vtable): Likewise.
4737 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
4738 (_Variant_storage::__M_reset): Adjust.
4739 (__variant_construct): New.
4740 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
4741 __variant_construct.
4742 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
4743 (_Move_ctor_base::__M_destructive_copy): New.
4744 (_Move_ctor_base::__M_destructive_move): Adjust to use
4745 __variant_construct.
4746 (_Copy_assign_base::operator=): Adjust to use __do_visit.
4747 (_Copy_assign_alias): Adjust to check both copy assignment
4748 and copy construction for triviality.
4749 (_Move_assign_base::operator=): Adjust to use __do_visit.
4750 (_Multi_array): Add support for visitors that accept and return
4752 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
4753 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
4754 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
4755 a __variant_cookie temporary for a variant that is valueless and..
4756 (__gen_vtable_impl::__visit_invoke): ..adjust here.
4757 (__gen_vtable::_Array_type): Conditionally make space for
4758 the __variant_cookie visitor case.
4759 (__variant_construct_by_index): New.
4760 (get_if): Adjust to use std::addressof.
4761 (relops): Adjust to use __do_visit.
4762 (variant): Add __variant_cast and __variant_construct_by_index
4764 (variant::emplace): Use _M_reset() and __variant_construct_by_index
4765 instead of self-destruction.
4766 (variant::swap): Adjust to use __do_visit.
4767 (visit): Reimplement in terms of __do_visit.
4768 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
4769 * testsuite/20_util/variant/compile.cc: Adjust.
4770 * testsuite/20_util/variant/run.cc: Likewise.
4772 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4774 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
4776 * testsuite/experimental/feat-char8_t.cc: Likewise.
4778 * include/std/type_traits [C++20] (is_bounded_array)
4779 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
4781 * testsuite/20_util/is_bounded_array/requirements/
4782 explicit_instantiation.cc: New test.
4783 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
4785 * testsuite/20_util/is_bounded_array/value.cc: New test.
4786 * testsuite/20_util/is_unbounded_array/requirements/
4787 explicit_instantiation.cc: New test.
4788 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
4790 * testsuite/20_util/is_unbounded_array/value.cc: New test.
4792 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
4794 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
4796 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
4798 * include/c_compatibility/math.h [C++20] (lerp): Add using
4800 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
4801 (__lerp): Define function template to implement lerp.
4802 (lerp(float, float, float), lerp(double, double, double))
4803 (lerp(long double, long double, long double)): Define for C++20.
4804 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
4805 (midpoint(T, T), midpoint(T*, T*)): Define.
4806 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
4807 * testsuite/26_numerics/lerp.cc: New test.
4808 * testsuite/26_numerics/midpoint/floating.cc: New test.
4809 * testsuite/26_numerics/midpoint/integral.cc: New test.
4810 * testsuite/26_numerics/midpoint/pointer.cc: New test.
4812 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
4814 PR libstdc++/88996 Implement P0439R0
4815 Make std::memory_order a scoped enumeration.
4816 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
4817 add variables for the old enumerators. Adjust calls.
4818 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
4819 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
4821 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
4823 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
4826 * include/std/memory_resource (polymorphic_allocator): Add default
4827 template argument for C++20.
4828 (polymorphic_allocator::allocate_bytes)
4829 (polymorphic_allocator::deallocate_bytes)
4830 (polymorphic_allocator::allocate_object)
4831 (polymorphic_allocator::deallocate_object)
4832 (polymorphic_allocator::new_object)
4833 (polymorphic_allocator::delete_object): New member functions for
4835 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
4838 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
4841 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
4844 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
4846 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
4847 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
4849 * include/std/memory (uses_allocator_construction_args): New set of
4850 overloaded functions.
4851 (make_obj_using_allocator, uninitialized_construct_using_allocator):
4853 * include/std/memory_resource (polymorphic_allocator::construct)
4854 [__cplusplus > 201703l]: Replace all overloads with a single function
4855 using uses_allocator_construction_args.
4856 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
4858 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
4860 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
4863 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
4864 stylesheet directories before check for xsltproc. Try to use
4865 xmlcatalog to find local stylesheet directory before trying hardcoded
4866 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
4867 check to look for the same stylesheet as doc/Makefile.am uses. Don't
4868 use xsltproc if xmlcatalog fails to find a local stylesheet.
4869 * configure.ac: Check for xmlcatalog.
4870 * Makefile.in: Regenerate.
4871 * configure: Likewise.
4872 * doc/Makefile.in: Likewise.
4873 * include/Makefile.in: Likewise.
4874 * libsupc++/Makefile.in: Likewise.
4875 * po/Makefile.in: Likewise.
4876 * python/Makefile.in: Likewise.
4877 * src/Makefile.in: Likewise.
4878 * src/c++11/Makefile.in: Likewise.
4879 * src/c++17/Makefile.in: Likewise.
4880 * src/c++98/Makefile.in: Likewise.
4881 * src/filesystem/Makefile.in: Likewise.
4882 * testsuite/Makefile.in: Likewise.
4884 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
4887 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
4888 container deduction guides.
4889 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
4890 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
4891 parameters in deduction guides.
4892 * include/bits/stl_multimap.h (multimap): Likewise.
4893 * include/bits/stl_multiset.h (multiset): Likewise.
4894 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
4895 * include/bits/stl_set.h (set): Likewise.
4896 * include/bits/stl_stack.h (stack): Likewise.
4897 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
4898 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
4899 constrain parameters in deduction guides.
4900 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
4902 * testsuite/23_containers/map/cons/deduction.cc: Test additional
4904 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
4905 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
4906 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
4907 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
4909 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
4911 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
4914 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
4915 to class template and partial specialization using void_t.
4916 (__is_copy_insertable, __is_move_insertable): Adjust base class.
4918 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
4921 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
4922 copy and move members public.
4924 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
4926 * include/std/type_traits (__underlying_type_impl): New helper to
4927 make underlying_type SFINAE-friendly.
4928 (underlying_type): Derive from __underlying_type_impl.
4929 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
4933 * include/bits/char_traits.h (__constant_char_array): Check index is
4934 in range before dereferencing.
4935 (char_traits<char>::compare, char_traits<char>::find)
4936 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
4937 immediately if n is zero.
4938 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
4939 Remove workarounds for PR 67026.
4940 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
4942 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
4945 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4947 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
4948 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
4950 2019-02-22 Jakub Jelinek <jakub@redhat.com>
4953 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
4954 type to std::size_t and argument to type to long double.
4956 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4958 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
4959 * config/abi/post/sparc64-linux-gnu: New directory.
4960 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
4961 * config/abi/post/sparc64-linux-gnu/32: New directory.
4962 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
4964 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
4966 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
4967 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
4970 2019-02-22 Tom Honermann <tom@honermann.net>
4972 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
4973 printers for u8string and u8string_view.
4975 2019-02-22 Tom Honermann <tom@honermann.net>
4977 * testsuite/18_support/byte/ops.cc: Validate
4978 std::to_integer<char8_t>, std::to_integer<char16_t>, and
4979 std::to_integer<char32_t>.
4980 * testsuite/18_support/numeric_limits/dr559.cc: Validate
4981 std::numeric_limits<char8_t>.
4982 * testsuite/18_support/numeric_limits/lowest.cc: Validate
4983 std::numeric_limits<char8_t>::lowest().
4984 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
4985 std::numeric_limits<char8_t>::max_digits10.
4986 * testsuite/18_support/type_info/fundamental.cc: Validate
4987 typeinfo for char8_t.
4988 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
4989 std::from_chars with char8_t.
4990 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
4991 Validate explicit instantiation of std::hash<char8_t>.
4992 * testsuite/20_util/is_integral/value.cc: Validate
4993 std::is_integral<char8_t>.
4994 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
4995 Validate std::make_signed<char8_t>.
4996 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
4997 Validate u8string construction from char8_t sources.
4998 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
5000 * testsuite/21_strings/basic_string_view/operations/compare/
5001 char/70483.cc: Validate substr operations on u8string_view.
5002 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
5003 the u8string_view typedef is defined.
5004 * testsuite/21_strings/char_traits/requirements/
5005 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
5007 * testsuite/21_strings/char_traits/requirements/
5008 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
5009 constexpr member functions.
5010 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
5011 that the u8string typedef is defined.
5012 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
5013 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
5014 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
5015 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
5017 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
5018 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
5020 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
5021 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
5022 Validate std::atomic<char8_t>::is_always_lock_free
5023 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
5024 Update line numbers.
5025 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
5027 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
5029 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
5030 Validate std::experimental::pmr::u8string.
5031 * testsuite/experimental/string_view/typedefs.cc: Validate that the
5032 u8string_view typedef is defined.
5033 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
5034 char32_t to the typelists.
5036 2019-02-22 Tom Honermann <tom@honermann.net>
5038 * include/ext/typelist.h: Constrain a partial specialization of
5039 typelist::detail::append_ to only match chain<T1,T2>.
5041 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
5044 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
5045 class template with class. Replace move and copy member types with
5046 member alias templates, so they are only instantiated when needed.
5047 (__is_copy_insertable, __is_move_insertable): Adjust base class.
5048 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
5049 test for C++11/14/17 as well.
5050 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
5053 2019-02-20 Jakub Jelinek <jakub@redhat.com>
5056 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
5057 _GLIBCXX_PURE to the alias declaration.
5059 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
5061 * testsuite/21_strings/basic_string/literals/types.cc
5062 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
5063 * testsuite/21_strings/basic_string/literals/values.cc
5064 [_GLIBCXX_USE_CHAR8_T]: Likewise.
5065 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
5066 potentially having different type.
5067 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
5068 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
5070 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
5071 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
5072 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
5073 string literals only using basic character set.
5074 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
5075 u8 literals to char.
5076 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
5077 Test ATOMIC_CHAR8_T_LOCK_FREE.
5078 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
5079 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
5080 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
5081 * testsuite/experimental/string_view/literals/types.cc
5082 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
5084 * testsuite/experimental/string_view/literals/values.cc
5085 [_GLIBCXX_USE_CHAR8_T]: Likewise.
5087 2019-02-19 Tom Honermann <tom@honermann.net>
5089 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
5090 from char16_32_t.cc; validates numeric_limits<char8_t>.
5091 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
5092 test cloned from types.cc; validates operator""s for char8_t
5094 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
5095 test cloned from values.cc; validates construction and comparison
5097 * testsuite/21_strings/basic_string/requirements/
5098 /explicit_instantiation/char8_t/1.cc: New test cloned from
5099 char16_t/1.cc; validates explicit instantiation of
5100 basic_string<char8_t>.
5101 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
5102 New test cloned from types.cc; validates operator""sv for char8_t
5103 returns u8string_view.
5104 * testsuite/21_strings/basic_string_view/literals/
5105 values-char8_t.cc: New test cloned from values.cc; validates
5106 construction and comparison of u8string_view values.
5107 * testsuite/21_strings/basic_string_view/requirements/
5108 explicit_instantiation/char8_t/1.cc: New test cloned from
5109 char16_t/1.cc; validates explicit instantiation of
5110 basic_string_view<char8_t>.
5111 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
5112 New test cloned from char16_t/65049.cc; validates that
5113 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
5114 * testsuite/21_strings/char_traits/requirements/char8_t/
5115 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
5116 that char_traits<char8_t> member typedefs are present and correct.
5117 * testsuite/21_strings/char_traits/requirements/
5118 explicit_instantiation/char8_t/1.cc: New test cloned from
5119 char16_t/1.cc; validates explicit instantiation of
5120 char_traits<char8_t>.
5121 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
5122 from char16_t.cc: validates
5123 codecvt<char16_t, char8_t, mbstate_t>.
5124 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
5125 from char32_t.cc: validates
5126 codecvt<char32_t, char8_t, mbstate_t>.
5127 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
5128 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
5129 codecvt<char32_t, char8_t, std::mbstate_t>.
5130 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
5131 test cloned from string.cc; validates filesystem::path construction
5133 * testsuite/experimental/feat-char8_t.cc: New test; validates that
5134 the __cpp_lib_char8_t feature test macro is defined with the
5136 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
5137 New test cloned from string.cc; validates filesystem::path
5138 construction from char8_t input.
5139 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
5140 test cloned from types.cc; validates operator""sv for char8_t
5141 returns u8string_view.
5142 * testsuite/experimental/string_view/literals/values-char8_t.cc:
5143 New test cloned from values.cc; validates construction and
5144 comparison of u8string_view values.
5145 * testsuite/experimental/string_view/requirements/
5146 explicit_instantiation/char8_t/1.cc: New test cloned from
5147 char16_t/1.cc; validates explicit instantiation of
5148 basic_string_view<char8_t>.
5149 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
5150 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
5153 2019-02-19 Tom Honermann <tom@honermann.net>
5155 P0482R5 char8_t: Standard library support
5156 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
5157 typeinfo symbols for char8_t.
5158 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
5159 (GLIBCXX_3.4.26): Add symbols for specializations of
5160 numeric_limits and codecvt that involve char8_t.
5161 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
5162 * include/bits/atomic_base.h: Add atomic_char8_t.
5163 * include/bits/basic_string.h: Add std::hash<u8string> and
5164 operator""s(const char8_t*, size_t).
5165 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
5167 * include/bits/char_traits.h: Add char_traits<char8_t>.
5168 * include/bits/codecvt.h: Add
5169 codecvt<char16_t, char8_t, mbstate_t>,
5170 codecvt<char32_t, char8_t, mbstate_t>,
5171 codecvt_byname<char16_t, char8_t, mbstate_t>, and
5172 codecvt_byname<char32_t, char8_t, mbstate_t>.
5173 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
5174 recognize char8_t as an integral type.
5175 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
5177 (path::u8string): Return std::u8string when char8_t support is
5179 (path::generic_u8string): Likewise.
5180 (path::_S_convert): Handle conversion from char8_t input.
5181 (path::_S_str_convert): Likewise.
5182 * include/bits/functional_hash.h: Add hash<char8_t>.
5183 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
5185 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
5186 for new char8_t specializations.
5187 * include/bits/localefwd.h: Add missing declarations of
5188 codecvt<char16_t, char, mbstate_t> and
5189 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
5190 codecvt<char16_t, char8_t, mbstate_t> and
5191 codecvt<char32_t, char8_t, mbstate_t>.
5192 * include/bits/postypes.h: Add u8streampos
5193 * include/bits/stringfwd.h: Add declarations of
5194 char_traits<char8_t> and u8string.
5195 * include/c_global/cstddef: Add __byte_operand<char8_t>.
5196 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
5198 (path::u8string): Return std::u8string when char8_t support is
5200 (path::generic_u8string): Likewise.
5201 (path::_S_convert): Handle conversion from char8_t input.
5202 (path::_S_str_convert): Likewise.
5203 * include/experimental/string: Add u8string.
5204 * include/experimental/string_view: Add u8string_view,
5205 hash<experimental::u8string_view>, and
5206 operator""sv(const char8_t*, size_t).
5207 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
5208 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
5209 as a character type.
5210 * include/std/limits: Add numeric_limits<char8_t>.
5211 * include/std/string_view: Add u8string_view,
5212 hash<experimental::u8string_view>, and
5213 operator""sv(const char8_t*, size_t).
5214 * include/std/type_traits: Add __is_integral_helper<char8_t>,
5215 __make_unsigned<char8_t>, and __make_signed<char8_t>.
5216 * libsupc++/atomic_lockfree_defines.h: Define
5217 ATOMIC_CHAR8_T_LOCK_FREE.
5218 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
5219 codecvt.cc and limits.cc so that char8_t specializations of
5220 numeric_limits and codecvt and emitted.
5221 * src/c++11/Makefile.in: Likewise.
5222 * src/c++11/codecvt.cc: Define members of
5223 codecvt<char16_t, char8_t, mbstate_t>,
5224 codecvt<char32_t, char8_t, mbstate_t>,
5225 codecvt_byname<char16_t, char8_t, mbstate_t>, and
5226 codecvt_byname<char32_t, char8_t, mbstate_t>.
5227 * src/c++11/limits.cc: Define members of
5228 numeric_limits<char8_t>.
5229 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
5230 locale_init.cc and localename.cc.
5231 * src/c++98/Makefile.in: Likewise.
5232 * src/c++98/locale_init.cc: Add initialization for the
5233 codecvt<char16_t, char8_t, mbstate_t> and
5234 codecvt<char32_t, char8_t, mbstate_t> facets.
5235 * src/c++98/localename.cc: Likewise.
5236 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
5238 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
5240 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
5241 * 27_io/filesystem/operations/resize_file.cc: Likewise.
5242 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
5244 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
5246 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
5247 * doc/html/*: Regenerate.
5249 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
5250 * doc/html/*: Regenerate.
5252 * doc/xml/manual/intro.xml: Document LWG 2586 status.
5253 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
5254 allocator type in is_constructible checks.
5255 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
5256 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
5257 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
5258 problematic type from LWG 2586 discussion.
5259 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
5260 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
5262 * configure.ac: Check for C11 timespec_get function.
5263 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
5265 * config.h.in: Regenerate.
5266 * configure: Regenerate.
5267 * include/c_global/ctime (timespec, timespec_get): Add to namespace
5268 std for C++17 and up.
5270 * doc/xml/manual/intro.xml: Document LWG 2537 status.
5271 * include/bits/stl_queue.h
5272 (priority_queue(const Compare&, const Container&, const Alloc&))
5273 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
5275 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
5277 * doc/xml/manual/intro.xml: Document LWG 2566 status.
5278 * include/bits/stl_queue.h (queue, priority_queue): Add static
5279 assertions to enforce LWG 2566 requirement on value_type.
5280 * include/bits/stl_stack.h (stack): Likewise.
5283 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
5285 * doc/xml/manual/intro.xml: Document LWG 2735 status.
5286 * include/bits/std_abs.h: Add comment about LWG 2735.
5287 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
5289 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
5292 * include/std/version [__cpp_impl_destroying_delete]
5293 (__cpp_lib_destroying_delete): Only define for C++2a and later.
5294 * libsupc++/new [__cpp_impl_destroying_delete]
5295 (__cpp_lib_destroying_delete): Likewise.
5296 (destroying_delete_t, destroying_delete): Likewise, but define even
5297 when __cpp_impl_destroying_delete is not defined.
5298 * testsuite/18_support/destroying_delete.cc: New test.
5300 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
5303 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
5304 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
5305 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
5306 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
5308 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
5311 * include/bits/fs_path.h (path::has_root_name)
5312 (path::has_root_directory, path::has_root_path)
5313 (path::has_relative_path, path::has_parent_path)
5314 (path::has_filename, path::has_stem, path::has_extension)
5315 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
5317 * src/c++17/fs_path.cc (path::has_root_name)
5318 (path::has_root_directory, path::has_root_path)
5319 (path::has_relative_path, path::has_parent_path)
5320 (path::has_filename, path::_M_find_extension): Add noexcept.
5322 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
5324 PR libstdc++/89102 (partial)
5325 * include/std/type_traits (common_type<>): Define.
5326 (common_type<T>): Derive from common_type<T, T>.
5327 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
5328 Test zero-length template argument list.
5329 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
5330 Test additional single argument cases.
5331 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
5332 Adjust expected error.
5334 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
5337 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
5339 * include/bits/stl_stack.h (stack): Likewise.
5340 * testsuite/23_containers/priority_queue/deduction.cc: New test.
5341 * testsuite/23_containers/queue/deduction.cc: New test.
5342 * testsuite/23_containers/stack/deduction.cc: New test.
5345 * include/std/type_traits (__is_convertible_helper)
5346 (__is_convertible_helper<_From, _To, false>): Revert changes to
5347 support is_nothrow_convertible.
5348 (__is_nt_convertible_helper): New helper.
5349 (is_nothrow_convertible): Use __is_nt_convertible_helper.
5351 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
5352 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
5355 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
5356 __is_alloc_insertable_impl. Replace single type member with two
5357 members, one for each of copy and move insertable.
5358 (__is_move_insertable): New trait for internal use.
5359 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
5360 (vector::_S_nothrow_relocate(true_type)): New functions to
5361 conditionally check if __relocate_a can throw.
5362 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
5363 on __is_move_insertable.
5364 (vector::_S_do_relocate): New overloaded functions to conditionally
5366 (vector::_S_relocate): New function that dispatches to _S_do_relocate
5367 based on _S_use_relocate.
5368 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
5369 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
5370 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
5373 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
5374 parameter unnamed. Add message to static assertion.
5375 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
5376 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
5379 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
5382 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
5384 (__is_bitwise_relocatable): ... to this.
5385 (__relocate_a_1): Adapt.
5386 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
5387 (__is_bitwise_relocatable): ... to this.
5389 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
5392 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
5393 final component as well as from _M_pathname. Append the dot using
5394 operator+= instead of only to _M_pathname.
5395 (path::_M_find_extension): Reformat slightly.
5396 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
5397 Add more test cases.
5399 2019-01-30 Ulrich Drepper <drepper@redhat.com>
5401 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
5403 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
5405 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
5406 constexpr specifiers from arg and proj.
5408 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
5409 __shared_ptr instantiations used by gcc4-compatible ABI.
5411 * include/experimental/forward_list (experimental::erase): Qualify
5413 * include/experimental/list (experimental::erase): Likewise.
5414 * include/std/forward_list (std::erase): Likewise.
5415 * include/std/list (std::erase): Likewise.
5417 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
5419 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
5420 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
5421 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
5422 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
5423 * testsuite/ext/array_allocator/26875.cc: Likewise.
5424 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
5425 * testsuite/util/replacement_memory_operators.h: Likewise.
5426 * testsuite/util/testsuite_allocator.h: Likewise.
5428 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
5429 normal mode vector, even for debug mode.
5430 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
5431 Define alias template for normal mode vector.
5433 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
5436 * config/locale/generic/c_locale.h (__convert_from_v)
5437 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
5438 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
5439 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
5440 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
5442 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
5445 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
5446 data member with static member function _S_use_relocate().
5447 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
5448 (vector::_M_default_append): Use _S_use_relocate() instead of
5451 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
5454 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
5457 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
5458 write to stderr instead of using printf.
5460 2019-01-21 Jakub Jelinek <jakub@redhat.com>
5463 * include/bits/char_traits.h (__constant_string_p,
5464 __constant_char_array_p): Use __builtin_is_constant_evaluated if
5467 2019-01-20 Ulrich Drepper <drepper@redhat.com>
5469 Implement C++20 P0600r1.
5470 * include/backward/hash_map: Add nodiscard attribute to empty.
5471 * include/backward/hash_set: Likewise.
5472 * backward/hashtable.h: Likewise.
5473 * include/bits/basic_string.h: Likewise.
5474 * include/bits/forward_list.h: Likewise.
5475 * include/bits/hashtable.h: Likewise.
5476 * include/bits/regex.h: Likewise.
5477 * include/bits/stl_deque.h: Likewise.
5478 * include/bits/stl_list.h: Likewise.
5479 * include/bits/stl_map.h: Likewise.
5480 * include/bits/stl_multimap.h: Likewise.
5481 * include/bits/stl_multiset.h: Likewise.
5482 * include/bits/stl_queue.h: Likewise.
5483 * include/bits/stl_set.h: Likewise.
5484 * include/bits/stl_stack.h: Likewise.
5485 * include/bits/stl_tree.h: Likewise.
5486 * include/bits/stl_vector.h: Likewise.
5487 * include/bits/unordered_map.h: Likewise.
5488 * include/bits/unordered_set.h: Likewise.
5489 * include/debug/array: Likewise.
5490 * include/experimental/any: Likewise.
5491 * include/experimental/bits/fs_path.h: Likewise.
5492 * include/experimental/internet: Likewise.
5493 * include/experimental/string_view: Likewise.
5494 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
5496 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
5498 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
5500 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
5502 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
5504 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
5506 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
5508 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
5510 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
5511 info_fn_imps.hpp: Likewise.
5512 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
5513 left_child_next_sibling_heap_.hpp: Likewise.
5514 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
5516 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
5518 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
5520 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
5522 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
5524 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
5526 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
5528 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
5529 * include/ext/pb_ds/trie_policy.hpp: Likewise.
5530 * include/ext/rope: Likewise.
5531 * include/ext/slist: Likewise.
5532 * include/ext/vstring.h: Likewise.
5533 * include/profile/array: Likewise.
5534 * include/std/array: Likewise.
5535 * include/tr1/array: Likewise.
5536 * include/tr1/hashtable.h: Likewise.
5537 * include/tr1/regex: Likewise.
5538 * include/tr2/dynamic_bitset: Likewise.
5539 * include/bits/alloc_traits.h: Add nodiscard attribute to
5541 * include/experimental/memory_resource: Likewise.
5542 * include/ext/alloc_traits.h: Likewise.
5543 * include/ext/array_allocator.h: Likewise.
5544 * include/ext/bitmap_allocator.h: Likewise.
5545 * include/ext/debug_allocator.h: Likewise.
5546 * include/ext/extptr_allocator.h: Likewise.
5547 * include/ext/mt_allocator.h: Likewise.
5548 * include/ext/new_allocator.h: Likewise.
5549 * include/ext/pool_allocator.h: Likewise.
5550 * include/ext/throw_allocator.h: Likewise.
5551 * include/std/scoped_allocator: Likewise.
5552 * libsupc++/eh_alloc.cc: Likewise.
5553 * include/std/future: Add nodiscard attribute to async.
5554 * libsupc++/new: Add nodiscard attribute to new.
5556 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
5561 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
5562 * include/bits/shared_ptr.h
5563 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
5564 (allocate_shared): Change to use new tag type.
5565 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
5566 Declare new member function.
5567 (_Sp_alloc_shared_tag): Define new type.
5568 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
5569 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
5570 _Sp_make_shared_tag::_S_eq to check type_info.
5571 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
5572 Constrain to prevent being called with _Sp_alloc_shared_tag.
5573 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
5574 Replace constructor with ...
5575 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
5576 reference parameter so address of the new object can be returned to
5577 the caller. Obtain the allocator from the tag type.
5578 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
5579 constructor with ...
5580 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
5581 to the __shared_count constructor.
5582 (__allocate_shared): Change to use new tag type.
5583 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
5585 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
5587 * src/c++17/fs_ops.cc
5588 (equivalent(const path&, const path&, error_code&))
5589 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
5590 compare files instead of relying on incomplete info returned by stat.
5593 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
5594 if the path is already absolute.
5595 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
5596 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
5599 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
5600 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
5601 of filesystem::exists.
5602 (create_directories(const path&, error_code&)): Add assertions.
5603 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
5604 Add workaround for bug in _wstat for paths with trailing slash.
5605 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
5606 for expected behaviour on mingw.
5607 * testsuite/experimental/filesystem/operations/create_directories.cc:
5609 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
5610 "TMP" instead of "TMPDIR" and clean environment before each test. Do
5611 not test permissions on mingw targets.
5613 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
5615 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
5616 constructors and open members taking wide strings. Fix patterns for
5617 filesystem::path members to match wstring_view parameters. Add
5618 exports for shared_ptr members used by directory iterators.
5619 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
5620 error code parameter if the file doesn't exist.
5621 * src/filesystem/ops.cc (remove(const path&, error_code&)):
5623 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
5624 values for mingw targets, where "/" is not an absolute path. Do not
5625 test symlinks on mingw targets.
5626 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
5627 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
5629 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
5630 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
5631 that each component of the path is created.
5632 * testsuite/experimental/filesystem/operations/create_directories.cc:
5634 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
5635 permissions on mingw targets.
5636 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
5637 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
5638 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
5639 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
5641 * testsuite/experimental/filesystem/operations/permissions.cc:
5643 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
5644 symlinks or permissions on mingw targets.
5645 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
5646 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
5647 symlinks on mingw targets.
5648 * testsuite/experimental/filesystem/operations/remove_all.cc:
5650 * testsuite/27_io/filesystem/operations/status.cc: Do not test
5651 permissions on mingw targets.
5652 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
5653 test symlinks on mingw targets.
5654 * testsuite/experimental/filesystem/operations/space.cc: Fix test
5657 2019-02-14 Ulrich Drepper <drepper@redhat.com>
5660 Warn about unused comparisons of shared_ptr/unique_ptr
5661 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
5662 * include/bits/shared_ptr.h: Use it for operator ==, !=,
5663 <, <=, >, >= for shared_ptr.
5664 * include/bits/unique_ptr.h: Likewise for unique_ptr.
5666 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
5668 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
5669 as 201611L, because P0497R0 changes are supported.
5670 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
5672 * include/bits/erase_if.h [__cplusplus > 201703L]
5673 (__cpp_lib_erase_if): Only define for C++2a.
5674 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5675 (__cpp_lib_null_iterators): Define.
5676 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5677 (__cpp_lib_null_iterators): Define.
5678 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
5680 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
5682 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
5684 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
5685 changes are supported.
5686 * include/std/optional (__cpp_lib_optional): Likewise.
5687 * include/std/variant (__cpp_lib_variant): Likewise.
5688 * include/std/version [!__STRICT_ANSI__]
5689 (__cpp_lib_uncaught_exceptions): Define as long integer.
5690 [__cplusplus >= 201703L] (__cpp_lib_any)
5691 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
5692 (__cpp_lib_variant): Define for C++17.
5693 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
5695 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
5698 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
5700 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
5704 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
5706 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
5709 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5711 * doc/xml/manual/intro.xml: Include new section.
5712 * doc/xml/manual/status_cxx2017.xml: Document more
5713 implementation-defined properties of the library.
5714 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
5715 * doc/html/*: Regenerate.
5717 * include/bits/refwrap.h [__cplusplus > 201703L]
5718 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
5719 (_Reference_wrapper_base_memfun): Do not define for C++2a.
5720 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
5722 (reference_wrapper::operator()): Add static assertion.
5723 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
5725 * include/std/chrono (duration_values::zero(), duration_values::min())
5726 (duration_values::max()): Add noexcept.
5727 (duration::zero(), duration::min(), duration::max()): Likewise.
5728 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
5729 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
5730 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
5732 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
5734 2019-01-11 Jakub Jelinek <jakub@redhat.com>
5736 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
5737 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
5739 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5742 * include/bits/functional_hash.h (hash<nullptr_t>): Define
5743 specialization for C++17 (P0513R0, LWG 2817).
5744 * testsuite/20_util/hash/nullptr.cc: New test.
5747 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
5748 pattern for std::basic_stringbuf::str().
5750 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
5751 basic_ostream::operator<< patterns.
5753 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
5755 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
5756 test failures on targets with 32-bit time_t.
5758 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
5759 * include/std/deque: Likewise.
5760 * include/std/forward_list: Likewise.
5761 * include/std/list: Likewise.
5762 * include/std/string: Likewise.
5763 * include/std/vector: Likewise.
5764 * include/std/version: Likewise.
5765 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
5766 * testsuite/23_containers/deque/erasure.cc: Likewise.
5767 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
5768 * testsuite/23_containers/list/erasure.cc: Likewise.
5769 * testsuite/23_containers/map/erasure.cc: Likewise.
5770 * testsuite/23_containers/set/erasure.cc: Likewise.
5771 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
5772 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
5773 * testsuite/23_containers/vector/erasure.cc: Likewise.
5775 * include/experimental/internet [AI_NUMERICSERV]
5776 (resolver_base::numeric_service): Define conditionally.
5777 * testsuite/experimental/net/internet/resolver/base.cc: Test it
5779 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
5782 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
5783 Jonathan Wakely <jwakely@redhat.com>
5786 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
5787 (GLIBCXX_3.4.26): Add new exports.
5788 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
5789 correct list of sources.
5790 * include/Makefile.in: Regenerate.
5791 * include/std/ostream (operator<<(nullptr_t)): New member function.
5792 * src/c++17/ostream-inst.cc: New file.
5793 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
5796 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
5798 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
5799 of the source file containing the caller.
5800 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
5801 directories created by test.
5802 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
5804 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
5806 * testsuite/experimental/filesystem/iterators/
5807 recursive_directory_iterator.cc: Likewise.
5809 2019-01-10 Jakub Jelinek <jakub@redhat.com>
5811 PR tree-optimization/88775
5812 * include/bits/stl_function.h (greater<_Tp*>::operator(),
5813 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
5814 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
5815 instead of __builtin_constant_p if available. Don't bother with
5816 the pointer comparison in C++11 and earlier.
5818 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
5822 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
5825 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
5827 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
5828 for filesystem::path. Give variables more distinctive names.
5830 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
5831 member function to perform non-trivial assignment.
5832 (_Optional_payload_base::_M_move_assign): Likewise.
5833 (_Optional_payload<T, true, false, true>::operator=)
5834 (_Optional_payload<T, true, true, false>::operator=)
5835 (_Optional_payload<T, true, false, false>::operator=): Call
5836 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
5839 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
5840 test std::complex<long double> if long double format is IBM128.
5841 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
5844 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5846 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
5847 for old std::unique_ptr layout.
5848 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
5849 to become valueless. Add filesystem::path tests.
5852 * include/std/optional (_Optional_payload_base): New class template
5853 for common code hoisted from _Optional_payload specializations. Use
5854 a template for the union, to allow a partial specialization for
5855 types with non-trivial destructors. Add constructors for in-place
5856 initialization to the union.
5857 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
5858 to perform non-trivial copy construction, instead of relying on
5859 non-standard copy elision in a delegating constructor.
5860 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
5861 non-trivial move construction.
5862 (_Optional_payload): Derive from _Optional_payload_base and use it
5863 for everything except the non-trivial assignment operators, which are
5865 (_Optional_payload<false, C, M>): Derive from the specialization
5866 _Optional_payload<true, false, false> and add a destructor.
5867 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
5868 Forward to corresponding members of _Optional_payload.
5869 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
5870 Hoist common members from _Optional_base.
5871 (_Optional_base): Make all members and base class public.
5872 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
5873 _Optional_base_impl.
5874 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
5875 support for new std::optional layout.
5876 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
5879 * include/bits/locale_conv.h: Use <> for includes not "".
5880 * include/ext/random: Likewise.
5881 * include/ext/vstring.h: Likewise.
5883 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5885 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
5886 (GLIBCXX_3.4.21): Likewise.
5888 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5891 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
5892 to match the one that controls whether utimbuf and utime are declared.
5894 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
5897 * include/bits/char_traits.h (char_traits::move): Do not pass null
5898 pointers to memmove.
5899 * include/bits/locale_facets.h
5900 (ctype<char>::widen(const char*, const char*, char*)): Do not
5901 pass null pointers to memcpy.
5902 (ctype<char>::narrow(const char*, const char*, char, char*)):
5904 (ctype<char>::do_widen(const char*, const char*, char*)):
5906 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
5909 * doc/xml/manual/spine.xml: Update copyright years.
5910 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
5911 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
5912 for C++17 filesystem library.
5913 * doc/html/*: Regenerate.
5915 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
5916 * config.h.in: Regenerate.
5917 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
5918 alphabetically and add missing entries for copy_symlink,
5919 hard_link_count, rename, and resize_file.
5920 * configure: Regenerate.
5921 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
5922 used unconditionally.
5923 * src/filesystem/ops-common.h (__gnu_posix::truncate)
5924 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
5925 supports truncating to zero length.
5926 * testsuite/27_io/filesystem/operations/all.cc: New test.
5927 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
5929 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
5932 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
5933 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
5934 * config.h.in: Regenerate.
5935 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
5936 remaining std::filesystem types and functions.
5937 * configure: Regenerate.
5938 * src/c++17/Makefile.am: Add C++17 filesystem sources.
5939 * src/c++17/Makefile.in: Regenerate.
5940 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
5941 here, and change name of included file.
5942 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
5943 here, and change name of included file.
5944 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
5945 path to dir-common.h.
5946 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
5947 path to ops-common.h. Disable -Wunused-parameter warnings.
5948 (internal_file_clock): Define unconditionally.
5949 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
5951 (do_copy_file, do_space): Move definitions to ops.common.h.
5952 (copy, file_size, hard_link_count, last_write_time, space): Only
5953 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
5955 (last_write_time, read_symlink): Remove unused attributes from
5957 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
5958 * src/filesystem/Makefile.in: Regenerate.
5959 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
5960 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
5961 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
5962 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
5963 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
5964 dummy types and functions instead of using #error.
5965 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
5966 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
5968 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
5969 (do_copy_file, do_space): Move definitions here from std-ops.cc.
5970 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
5971 to account for new namespace.
5972 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
5973 -lstdc++fs from dg-options.
5974 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
5975 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
5976 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
5977 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
5978 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
5980 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
5981 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
5983 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
5984 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
5985 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
5986 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
5987 * testsuite/27_io/filesystem/operations/create_directories.cc:
5989 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
5990 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
5991 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
5992 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
5993 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
5994 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
5995 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
5996 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
5997 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
5998 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
5999 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
6000 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
6001 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
6002 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
6003 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
6004 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
6005 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
6006 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
6008 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
6012 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
6013 typeinfo and vtables less greedy.
6014 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
6015 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
6016 * src/c++17/Makefile.in: Regenerate.
6017 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
6018 here, and change name of included file.
6019 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
6020 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
6022 * src/filesystem/Makefile.in: Regenerate.
6023 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
6024 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
6025 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
6026 from dg-options and remove dg-require-filesystem-ts.
6027 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
6028 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
6029 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
6030 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
6031 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
6032 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
6033 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
6034 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
6035 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
6036 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
6037 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
6038 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
6039 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
6040 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
6041 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
6042 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
6043 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
6044 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
6045 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
6046 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
6047 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
6049 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
6050 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
6051 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
6052 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
6053 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
6054 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
6055 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
6056 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
6057 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
6058 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
6059 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
6060 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
6062 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
6064 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
6066 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
6068 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
6069 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
6070 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
6071 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
6072 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
6073 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
6074 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
6075 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
6076 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
6077 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
6079 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
6080 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
6081 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
6082 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
6083 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
6086 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
6087 Check is_trivially_copyable instead of is_scalar.
6088 (variant::emplace<N, Args>(Args&&...)): If construction of the new
6089 contained value can throw and its type is trivially copyable then
6090 construct into a temporary variant and move from it, to provide the
6091 strong exception safety guarantee.
6092 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
6094 * testsuite/20_util/variant/87431.cc: New test.
6095 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
6096 conversion causes valueless state.
6099 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
6100 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
6101 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
6102 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
6103 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
6105 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
6107 * include/bits/fs_fwd.h (__file_clock): Define new clock.
6108 (file_time_type): Redefine in terms of __file_clock.
6109 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
6111 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
6113 (internal_file_lock): New helper type for accessing __file_clock.
6114 (do_copy_file): Use internal_file_lock to convert system time to
6116 (last_write_time(const path&, error_code&)): Likewise.
6117 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
6119 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
6121 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
6122 for const member functions of std::basic_string.
6123 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
6125 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
6126 Make non-standard constructor private.
6127 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
6129 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
6130 explicit instantiations for C++17 as well as earlier dialects.
6131 * src/c++17/Makefile.am: Add new source files.
6132 * src/c++17/Makefile.in: Regenerate.
6133 * src/c++17/cow-string-inst.cc: New file defining explicit
6134 instantiations for basic_string member functions added in C++17.
6135 * src/c++17/string-inst.cc: Likewise.
6137 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
6138 copy/move constructors for old std::basic_string.
6139 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
6140 (basic_string::reference, basic_string::const_reference): Define
6141 as plain references for C++11 and later.
6142 (basic_string::basic_string()): Put constructor body outside
6143 preprocessor conditional groups.
6144 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
6145 instead of copying it.
6146 (basic_string::basic_string(const basic_string&, const _Alloc&)):
6148 (basic_string::basic_string(basic_string&&, const _Alloc&)):
6150 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
6151 cases for old basic_string.
6152 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
6153 allocator-extended constructors unconditionally. Add extra members to
6154 allocator type when using old string ABI.
6155 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
6157 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
6159 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
6160 -fno-inline added to test flags.
6162 * testsuite/21_strings/basic_string/requirements/
6163 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
6165 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
6166 assertion failures with old std::string ABI.
6168 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
6170 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
6171 functions that will only erase elements at the end.
6172 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
6173 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
6174 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
6176 (path::_List::pop_back()): Define.
6177 (path::_List::_M_erase_from(const_iterator)): Define.
6178 (path::operator/=(const path&)): Use pop_back to remove last component
6179 and _M_erase_from to remove multiple components.
6180 (path::_M_append(basic_string_view<value_type>)): Likewise.
6181 (path::operator+=(const path&)): Likewise.
6182 (path::_M_concat(basic_string_view<value_type>)): Likewise.
6183 (path::remove_filename()): Likewise.
6184 (path::lexically_normal()): Use _List::_Impl iterators instead of
6185 path::iterator. Use pop_back to remove components from the end. Clear
6186 trailing filename, instead of using erase(const_iterator) to remove
6187 a non-final component.
6188 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
6190 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
6192 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
6193 incorrect treatment of empty filename after trailing slash.
6194 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
6196 * testsuite/21_strings/basic_string/modifiers/assign/char/
6197 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
6199 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
6200 move_assign_optim.cc: Likewise.
6202 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
6203 Jakub Jelinek <jakub@redhat.com>
6206 * include/experimental/memory: Replace UTF-8 quote characters.
6207 * include/std/future: Replace UTF-8 "em dash" characters.
6209 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
6212 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
6213 * include/debug/forward_list: Likewise.
6214 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
6216 * include/experimental/chrono: Likewise.
6217 * include/experimental/functional: Likewise.
6218 * include/experimental/ratio: Likewise.
6219 * include/experimental/system_error: Likewise.
6220 * include/experimental/tuple: Likewise.
6221 * include/experimental/type_traits: Likewise.
6222 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
6223 * include/parallel/multiseq_selection.h: Likewise.
6226 * config/abi/pre/gnu.ver: Add missing exports.
6227 * testsuite/22_locale/collate_byname/88681.cc: New test.
6228 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
6229 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
6231 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
6233 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
6234 initializer_list<value_type> and from input iterator ranges.
6235 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
6237 * testsuite/experimental/string_view/element_access/char/empty.cc:
6238 Fix year range in copyright header.
6240 2019-01-02 Joel Brobecker <brobecker@adacore.com>
6242 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
6243 Fix year range in copyright header.
6245 2019-01-01 Jakub Jelinek <jakub@redhat.com>
6247 Update copyright years.
6249 Copyright (C) 2019 Free Software Foundation, Inc.
6251 Copying and distribution of this file, with or without modification,
6252 are permitted in any medium without royalty provided the copyright
6253 notice and this notice are preserved.