1 2019-10-26 John David Anglin <danglin@gcc.gnu.org>
3 * config/abi/post/hppa-linux-gnu/baseline_symbols.txt: Update.
5 2019-10-25 Jonathan Wakely <jwakely@redhat.com>
7 * testsuite/util/testsuite_iterators.h (output_iterator_wrapper)
8 (input_iterator_wrapper, forward_iterator_wrapper)
9 bidirectional_iterator_wrapper, random_access_iterator_wrapper): Remove
10 user-provided copy constructors and copy assignment operators so they
11 are defined implicitly.
12 (input_iterator_wrapper): Initialize members in default constructor.
13 (forward_iterator_wrapper): Remove assignments to members of base.
15 * include/bits/allocator.h: Check __cpp_constexpr_dynamic_alloc
16 before making the std::allocator destructor constexpr.
17 * testsuite/20_util/allocator/requirements/constexpr.cc: New test.
19 * include/bits/range_cmp.h: Check __cpp_lib_concepts before defining
20 concepts. Fix comment.
21 * include/bits/allocator.h
23 2019-10-25 Gerald Pfeifer <gerald@pfeifer.com>
25 * doc/xml/manual/policy_data_structures_biblio.xml: Switch
26 pubs.opengroup.org to https.
28 2019-10-25 Gerald Pfeifer <gerald@pfeifer.com>
30 * doc/xml/gnu/gpl-3.0.xml: Switch www.gnu.org to https.
32 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
34 * doc/xml/manual/status_cxx2020.xml: Add rows and update status.
36 2019-10-24 Jonathan Wakely <jwakely@redhat.com>
38 * include/bits/allocator.h (allocator<void>): Restore the explicit
39 specialization for C++20, but make its API consistent with the primary
41 (allocator::~allocator()): Restore the destructor for C++20, but make
43 * testsuite/20_util/allocator/rebind_c++20.cc: Check allocator<void>.
44 * testsuite/20_util/allocator/requirements/typedefs_c++20.cc: Likewise.
45 * testsuite/20_util/allocator/void.cc: Check that constructors and
46 destructors are trivial. Check for converting constructor in C++20.
47 * testsuite/ext/malloc_allocator/variadic_construct.cc: Simplify
48 dejagnu target selector.
49 * testsuite/ext/new_allocator/variadic_construct.cc: Likewise.
51 * include/experimental/executor (__use_future_ct, use_future_t):
52 Define partial specializations for std::allocator.
53 (__use_future_ch): Overload constructor for completion tokens using
56 PR libstdc++/88338 Implement P0898R3, C++20 concepts library
57 * doc/xml/manual/status_cxx2020.xml: Update status.
58 * doc/html/*: Regenerate.
59 * testsuite/std/concepts/1.cc: New test.
60 * testsuite/std/concepts/2.cc: New test.
62 * include/bits/random.h (uniform_random_bit_generator): Define for
64 * testsuite/26_numerics/random/concept.cc: New test.
65 * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error line.
67 2019-10-23 Jonathan Wakely <jwakely@redhat.com>
69 * include/std/functional (invoke): Add constexpr for C++20.
70 * include/std/version (__cpp_lib_constexpr_invoke): Define.
71 * testsuite/20_util/function_objects/invoke/constexpr.cc: New test.
73 PR c++/91369 Implement P0784R7 changes to allocation and construction
74 * include/bits/alloc_traits.h: Include <bits/stl_construct.h>.
75 (allocator_traits::_S_allocate, allocator_traits::_S_construct)
76 (allocator_traits::_S_destroy, allocator_traits::_S_max_size)
77 (allocator_traits::_S_select, allocator_traits::allocate)
78 (allocator_traits::deallocate, allocator_traits::construct)
79 (allocator_traits::destroy, allocator_traits::max_size)
80 (allocator_traits::select_on_container_copy_construction)
81 (allocator_traits<allocator<T>>): Add constexpr specifier for C++20.
82 (allocator_traits<allocator<T>>::construct): Use construct_at.
83 (allocator_traits<allocator<T>>::destroy): Use destroy_at.
84 (__alloc_on_copy, __alloc_on_move, __alloc_on_swap): Add constexpr
86 (_Destroy(ForwardIterator, ForwardIterator, Alloc&))
87 (_Destroy(ForwardIterator, ForwardIterator, allocator<T>&)): Move here
88 from <bits/stl_construct.h>.
89 * include/bits/allocator.h (allocator::~allocator): Remove for C++20.
90 (allocator::allocate, allocate::deallocate): Define for C++20 and up.
91 (operator==, operator!=): Add constexpr specifier for C++20.
92 * include/bits/stl_construct.h: Don't include <ext/alloc_traits.h>.
93 (destroy_at): For C++20 add constexpr specifier and support for
95 (construct_at): Define new function for C++20.
96 (_Construct): Return result of placement new-expression. For C++11 and
97 up add constexpr. For C++20 dispatch to std::construct_at during
99 (_Destroy(pointer)): Add constexpr specifier. For C++20 dispatch to
100 std::destroy_at during constant evaluation.
101 (_Destroy_aux::__destroy, _Destroy_n_aux::__destroy_n): Add constexpr
103 (_Destroy(ForwardIterator, ForwardIterator))
104 (_Destroy(ForwardIterator, Size)): Likewise. Do not elide trivial
105 destructors during constant evaluation.
106 (destroy, destroy_n): Add constexpr specifier for C++20.
107 (_Destroy(ForwardIterator, ForwardIterator, Alloc&))
108 (_Destroy(ForwardIterator, ForwardIterator, allocator<T>&)): Move to
109 <bits/alloc_traits.h>, to remove dependency on allocators.
110 * include/bits/stl_uninitialized.h: Include <ext/alloc_traits.h>.
111 Include <bits/stl_pair.h> instead of <utility>.
112 * include/ext/alloc_traits.h: Always include <bits/alloc_traits.h>.
113 (__alloc_traits::construct, __alloc_traits::destroy)
114 (__alloc_traits::_S_select_on_copy, __alloc_traits::_S_on_swap): Add
116 * include/ext/malloc_allocator.h (operator==, operator!=): Add
117 constexpr specifier for C++20.
118 * include/ext/new_allocator.h (operator==, operator!=): Likewise.
119 * testsuite/20_util/headers/memory/synopsis.cc: Add constexpr.
120 * testsuite/20_util/scoped_allocator/69293_neg.cc: Ignore additional
121 errors due to constexpr function called after failed static_assert.
122 * testsuite/20_util/specialized_algorithms/construct_at/1.cc: New test.
123 * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
124 Ignore additional errors due to constexpr function called after failed
126 * testsuite/23_containers/vector/cons/destructible_neg.cc: Likewise.
128 * testsuite/20_util/bind/91371.cc: Fix test to compile as C++11.
130 * include/debug/helper_functions.h (__valid_range): Change
131 _GLIBCXX_CONSTEXPR to _GLIBCXX14_CONSTEXPR.
133 * include/ext/throw_allocator.h (throw_allocator_base): Qualify
134 size_t and ptrdiff_t.
136 * include/ext/pb_ds/detail/bin_search_tree_/bin_search_tree_.hpp:
137 Use detail::rebind_traits.
138 * include/ext/pb_ds/detail/bin_search_tree_/node_iterators.hpp:
140 * include/ext/pb_ds/detail/bin_search_tree_/traits.hpp: Likewise.
141 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp: Likewise.
142 * include/ext/pb_ds/detail/binary_heap_/entry_cmp.hpp: Likewise.
143 * include/ext/pb_ds/detail/binary_heap_/entry_pred.hpp: Likewise.
144 * include/ext/pb_ds/detail/binary_heap_/point_const_iterator.hpp:
146 * include/ext/pb_ds/detail/binomial_heap_base_/binomial_heap_base_.hpp:
148 * include/ext/pb_ds/detail/branch_policy/branch_policy.hpp: Likewise.
149 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp: Likewise.
150 * include/ext/pb_ds/detail/cond_dealtor.hpp: Likewise.
151 * include/ext/pb_ds/detail/eq_fn/hash_eq_fn.hpp (has_eq_fn): Likewise.
152 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp: Likewise.
153 * include/ext/pb_ds/detail/hash_fn/ranged_hash_fn.hpp: Likewise.
154 * include/ext/pb_ds/detail/hash_fn/ranged_probe_fn.hpp: Likewise.
155 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
156 left_child_next_sibling_heap_.hpp: Likewise.
157 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/node.hpp:
159 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
160 point_const_iterator.hpp: Likewise.
161 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp: Likewise.
162 * include/ext/pb_ds/detail/ov_tree_map_/
163 constructors_destructor_fn_imps.hpp: Likewise.
164 * include/ext/pb_ds/detail/ov_tree_map_/node_iterators.hpp: Likewise.
165 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hpp: Likewise.
166 * include/ext/pb_ds/detail/pairing_heap_/pairing_heap_.hpp: Likewise.
167 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp: Likewise.
168 * include/ext/pb_ds/detail/pat_trie_/pat_trie_base.hpp: Likewise.
169 * include/ext/pb_ds/detail/rb_tree_map_/node.hpp: Likewise.
170 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp: Likewise.
171 * include/ext/pb_ds/detail/splay_tree_/node.hpp: Likewise.
172 * include/ext/pb_ds/detail/thin_heap_/thin_heap_.hpp: Likewise.
173 * include/ext/pb_ds/detail/trie_policy/sample_trie_access_traits.hpp:
175 * include/ext/pb_ds/detail/type_utils.hpp: Fix typo in comment.
176 * include/ext/pb_ds/detail/types_traits.hpp (stored_value): Add
177 bool parameter to control whether the hash value is stored.
178 (select_base_type): New class template and partial specialization.
179 (maybe_null_type): Likewise.
180 (rebind_traits): New class template.
181 (type_base): Remove four nearly identical specializations.
182 (type_dispatch): Remove.
183 (type_traits): Use select_base_type and maybe_null_type instead of
184 type_base to control differences between specializations.
185 * include/ext/pb_ds/list_update_policy.hpp: Use detail::rebind_traits.
186 * include/ext/pb_ds/priority_queue.hpp: Likewise.
187 * include/ext/pb_ds/tree_policy.hpp: Likewise.
188 * include/ext/pb_ds/trie_policy.hpp: Likewise.
190 * include/backward/hash_set (hash_set): Use __alloc_traits.
191 * include/backward/hashtable.h (_Hashtable): Likewise.
192 * include/ext/alloc_traits.h (__alloc_traits::allocate): Add overload
194 * include/ext/extptr_allocator.h (_ExtPtr_allocator::allocate): Ignore
196 * include/ext/slist (_Slist_base): Use __alloc_traits.
197 * include/tr1/hashtable.h (_Hashtable): Likewise.
198 * include/tr1/regex (match_results): Use vector::const_reference
199 instead of assuming the allocator defines it.
200 * testsuite/backward/hash_map/23528.cc: Use allocator_traits in C++11.
201 * testsuite/tr1/6_containers/unordered_map/capacity/29134-map.cc: Use
202 __gnu_test::max_size.
203 * testsuite/tr1/6_containers/unordered_multimap/capacity/
204 29134-multimap.cc: Likewise.
205 * testsuite/tr1/6_containers/unordered_multiset/capacity/
206 29134-multiset.cc: Likewise.
207 * testsuite/tr1/6_containers/unordered_set/capacity/29134-set.cc:
210 2019-10-22 Jonathan Wakely <jwakely@redhat.com>
212 * testsuite/util/testsuite_abi.h: Restore use of tr1/unordered_map
213 when compiled as C++98.
215 * include/bits/memoryfwd.h (uses_allocator): Do not declare for C++98.
216 * testsuite/17_intro/names.cc: Check uses_allocator in C++98.
218 * include/bits/alloc_traits.h
219 (allocator_traits<allocator<T>>::allocate): Ignore hint for C++20.
220 (allocator_traits<allocator<T>>::construct): Perform placement new
221 directly for C++20, instead of calling allocator<T>::construct.
222 (allocator_traits<allocator<T>>::destroy): Call destructor directly
223 for C++20, instead of calling allocator<T>::destroy.
224 (allocator_traits<allocator<T>>::max_size): Return value directly
225 for C++20, instead of calling std::allocator<T>::max_size().
226 (__do_alloc_on_copy, __do_alloc_on_move, __do_alloc_on_swap): Do not
227 define for C++17 and up.
228 (__alloc_on_copy, __alloc_on_move, __alloc_on_swap): Use if-constexpr
229 for C++17 and up, instead of tag dispatching.
230 * include/bits/allocator.h (allocator<void>): Remove for C++20.
231 (allocator::pointer, allocator::const_pointer, allocator::reference)
232 (allocator::const_reference, allocator::rebind): Remove for C++20.
233 * include/bits/basic_string.h (basic_string): Use __alloc_traits to
235 * include/bits/memoryfwd.h (allocator<void>): Remove for C++20.
236 * include/ext/debug_allocator.h: Use __alloc_traits for rebinding.
237 * include/ext/malloc_allocator.h (malloc_allocator::~malloc_allocator)
238 (malloc_allocator::pointer, malloc_allocator::const_pointer)
239 (malloc_allocator::reference, malloc_allocator::const_reference)
240 (malloc_allocator::rebind, malloc_allocator::max_size)
241 (malloc_allocator::construct, malloc_allocator::destroy): Do not
243 (malloc_allocator::_M_max_size): Define new function.
244 * include/ext/new_allocator.h (new_allocator::~new_allocator)
245 (new_allocator::pointer, new_allocator::const_pointer)
246 (new_allocator::reference, new_allocator::const_reference)
247 (new_allocator::rebind, new_allocator::max_size)
248 (new_allocator::construct, new_allocator::destroy): Do not
250 (new_allocator::_M_max_size): Define new function.
251 * include/ext/rc_string_base.h (__rc_string_base::_Rep): Use
252 __alloc_traits to rebind allocator.
253 * include/ext/rope (_Rope_rep_base, _Rope_base): Likewise.
254 (rope::rope(CharT, const allocator_type&)): Use __alloc_traits
255 to construct character.
256 * include/ext/slist (_Slist_base): Use __alloc_traits to rebind
258 * include/ext/sso_string_base.h (__sso_string_base::_M_max_size):
260 * include/ext/throw_allocator.h (throw_allocator): Do not use optional
261 members of std::allocator, use __alloc_traits members instead.
262 * include/ext/vstring.h (__versa_string): Use __alloc_traits.
263 * include/ext/vstring_util.h (__vstring_utility): Likewise.
264 * include/std/memory: Include <bits/alloc_traits.h>.
265 * testsuite/20_util/allocator/8230.cc: Use __gnu_test::max_size.
266 * testsuite/20_util/allocator/rebind_c++20.cc: New test.
267 * testsuite/20_util/allocator/requirements/typedefs.cc: Do not check
268 for pointer, const_pointer, reference, const_reference or rebind in
270 * testsuite/20_util/allocator/requirements/typedefs_c++20.cc: New test.
271 * testsuite/23_containers/deque/capacity/29134.cc: Use
272 __gnu_test::max_size.
273 * testsuite/23_containers/forward_list/capacity/1.cc: Likewise.
274 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
275 * testsuite/23_containers/map/capacity/29134.cc: Likewise.
276 * testsuite/23_containers/multimap/capacity/29134.cc: Likewise.
277 * testsuite/23_containers/multiset/capacity/29134.cc: Likewise.
278 * testsuite/23_containers/set/capacity/29134.cc: Likewise.
279 * testsuite/23_containers/vector/capacity/29134.cc: Likewise.
280 * testsuite/ext/malloc_allocator/variadic_construct.cc: Do not run
282 * testsuite/ext/new_allocator/variadic_construct.cc: Likewise.
283 * testsuite/ext/vstring/capacity/29134.cc: Use __gnu_test::max_size.
284 * testsuite/util/replacement_memory_operators.h: Do not assume
285 Alloc::pointer exists.
286 * testsuite/util/testsuite_allocator.h (__gnu_test::max_size): Define
287 helper to call max_size for any allocator.
289 2019-10-22 Andreas Schwab <schwab@suse.de>
291 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
293 2019-10-18 Jonathan Wakely <jwakely@redhat.com>
296 * libsupc++/new_opa.cc (operator new) [__APPLE__]: Increase alignment
297 to at least sizeof(void*).
299 * include/bits/range_cmp.h (ranges::less::operator()): Inline the
300 logic from std::less::operator() to remove the dependency on it.
302 2019-10-17 Jonathan Wakely <jwakely@redhat.com>
304 * doc/doxygen/user.cfg.in (INPUT): Add new C++17 and C++20 headers.
306 * include/Makefile.am: Add new header.
307 * include/Makefile.in: Regenerate.
308 * include/bits/range_cmp.h: New header for C++20 function objects.
309 * include/std/functional: Include new header.
310 * testsuite/20_util/function_objects/identity/1.cc: New test.
311 * testsuite/20_util/function_objects/range.cmp/equal_to.cc: New test.
312 * testsuite/20_util/function_objects/range.cmp/greater.cc: New test.
313 * testsuite/20_util/function_objects/range.cmp/greater_equal.cc: New
315 * testsuite/20_util/function_objects/range.cmp/less.cc: New test.
316 * testsuite/20_util/function_objects/range.cmp/less_equal.cc: New test.
317 * testsuite/20_util/function_objects/range.cmp/not_equal_to.cc: New
321 * include/bits/forward_list.h
322 (_M_move_assign(forward_list&&, false_type)): Do not use
323 __make_move_if_noexcept, instead move unconditionally.
324 * include/bits/stl_deque.h (_M_move_assign2(deque&&, false_type)):
326 * include/bits/stl_list.h (_M_move_assign(list&&, false_type)):
328 * include/bits/stl_vector.h (_M_move_assign(vector&&, false_type)):
330 * testsuite/23_containers/vector/92124.cc: New test.
332 2019-10-16 Jonathan Wakely <jwakely@redhat.com>
334 * include/bits/c++config (_GLIBCXX_BUILTIN_IS_SAME_AS): Define to
335 one of __is_same_as or __is_same when available.
336 * include/std/concepts (__detail::__same_as): Use std::is_same_v.
337 * include/std/type_traits (is_same) [_GLIBCXX_BUILTIN_IS_SAME_AS]:
338 Use new macro instead of __is_same_as.
339 (is_same) [!_GLIBCXX_BUILTIN_IS_SAME_AS]: Restore partial
341 (is_same_v) [_GLIBCXX_BUILTIN_IS_SAME_AS]: Use new macro.
342 (is_same_v) [!_GLIBCXX_BUILTIN_IS_SAME_AS]: Use std::is_same.
344 2019-10-16 François Dumont <fdumont@gcc.gnu.org>
346 * src/c++11/debug.cc (print_field): Replace constness_names <unknown>
347 entry with <unknown constness>. Replace state_names <unknown> entry with
350 2019-10-11 Jonathan Wakely <jwakely@redhat.com>
352 * include/Makefile.am: Add new header.
353 * include/Makefile.in: Regenerate.
354 * include/precompiled/stdc++.h: Include <concepts>.
355 * include/std/concepts: New header for C++20.
356 * include/std/version (__cpp_lib_concepts): Define.
357 * scripts/create_testsuite_files: Look for test files in new std
359 * testsuite/libstdc++-dg/conformance.exp: Likewise.
360 * testsuite/std/concepts/concepts.callable/invocable.cc: New test.
361 * testsuite/std/concepts/concepts.callable/regular_invocable.cc: New
363 * testsuite/std/concepts/concepts.callable/relation.cc: New test.
364 * testsuite/std/concepts/concepts.callable/strictweakorder.cc: New
366 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
367 floating_point.cc: New test.
368 * testsuite/std/concepts/concepts.lang/concept.arithmetic/integral.cc:
370 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
371 signed_integral.cc: New test.
372 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
373 unsigned_integral.cc: New test.
374 * testsuite/std/concepts/concepts.lang/concept.assignable/1.cc: New
376 * testsuite/std/concepts/concepts.lang/concept.common/1.cc: New test.
377 * testsuite/std/concepts/concepts.lang/concept.commonref/1.cc: New
379 * testsuite/std/concepts/concepts.lang/concept.constructible/1.cc:
381 * testsuite/std/concepts/concepts.lang/concept.convertible/1.cc:
383 * testsuite/std/concepts/concepts.lang/concept.copyconstructible/1.cc:
385 * testsuite/std/concepts/concepts.lang/concept.defaultconstructible/
387 * testsuite/std/concepts/concepts.lang/concept.derived/1.cc:
389 * testsuite/std/concepts/concepts.lang/concept.destructible/1.cc:
391 * testsuite/std/concepts/concepts.lang/concept.moveconstructible/1.cc:
393 * testsuite/std/concepts/concepts.lang/concept.same/1.cc:
395 * testsuite/std/concepts/concepts.lang/concept.swappable/swap.cc:
397 * testsuite/std/concepts/concepts.lang/concept.swappable/swappable.cc:
399 * testsuite/std/concepts/concepts.lang/concept.swappable/
400 swappable_with.cc: New test.
401 * testsuite/std/concepts/concepts.object/copyable.cc: New test.
402 * testsuite/std/concepts/concepts.object/movable.cc: New test.
403 * testsuite/std/concepts/concepts.object/regular.cc: New test.
404 * testsuite/std/concepts/concepts.object/semiregular.cc: New test.
406 * include/std/type_traits (is_same): Replace partial specialization
407 by using __is_same_as built-in in primary template.
408 (is_same_v): Use __is_same_as built-in instead of instantiating the
412 * include/tr2/dynamic_bitset (__dynamic_bitset_base): Define all
413 special member functions as defaulted. Add noexcept to most members.
414 (__dynamic_bitset_base(size_t, unsigned long long, const _Alloc&)):
415 Mask off unwanted bits in the __val parameter. Avoid undefined left
417 (__dynamic_bitset_base::_M_assign): Remove.
418 (__dynamic_bitset_base::_M_do_reset): Use std::fill.
419 (__dynamic_bitset_base::_M_are_all_aux): Avoid integer promotion when
420 block_type has lower rank than int.
421 (dynamic_bitset): Add noexcept to most members. Use injected-class-name
422 in return types and parameter types.
423 (dynamic_bitset::_M_Nb): Add default member initializer.
424 (dynamic_bitset(), dynamic_bitset(const dynamic_bitset&)): Define as
426 (dynamic_bitset(dynamic_bitset&&)): Clear source object after move.
427 (dynamic_bitset::operator=(const dynamic_bitset&)): Define as
429 (dynamic_bitset::operator=(dynamic_bitset&&)): Add noexcept-specifier.
430 Define without using swap, to propagate allocator correctly.
431 (dynamic_bitset(const char*, const _Alloc&)): Use strlen.
432 (dynamic_bitset::_M_do_sanitize, dynamic_bitset::_M_do_fill): Use
433 casts to avoid unwanted integer promotions.
434 (dynamic_bitset::_M_copy_from_ptr): Rearrange template parameters and
435 add default template arguments and default argument to simplify usage.
436 (dynamic_bitset::_M_copy_from_string): Adjust call to _M_copy_from_ptr.
437 (operator==(const dynamic_bitset&, const dynamic_bitset&))
438 (operator<(const dynamic_bitset&, const dynamic_bitset&)): Use _M_Nb.
439 * include/tr2/dynamic_bitset.tcc (dynamic_bitset::_M_copy_from_ptr):
440 Adjust template parameters to match declaration.
441 * testsuite/tr2/dynamic_bitset/cmp.cc: New test.
442 * testsuite/tr2/dynamic_bitset/cons.cc: New test.
443 * testsuite/tr2/dynamic_bitset/copy.cc: New test.
444 * testsuite/tr2/dynamic_bitset/move.cc: New test.
445 * testsuite/tr2/dynamic_bitset/pr92059.cc: New test.
447 * include/bits/charconv.h (__to_chars_len): Avoid -Wsign-compare
450 2019-10-10 Jonathan Wakely <jwakely@redhat.com>
453 * src/c++98/locale.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]
454 (find_ldbl_sync_facet): Fix parameter type and missing return.
456 2019-10-09 Marek Polacek <polacek@redhat.com>
458 PR c++/91364 - P0388R4: Permit conversions to arrays of unknown bound.
459 PR c++/69531 - DR 1307: Differently bounded array parameters.
460 PR c++/88128 - DR 330: Qual convs and pointers to arrays of pointers.
461 * testsuite/23_containers/span/lwg3255.cc: Adjust test to match the
462 post-P0388R4 behavior.
464 2019-10-09 Jonathan Wakely <jwakely@redhat.com>
467 * src/c++98/locale.cc (locale::id::_M_id()) [__GTHREADS]: Use atomic
468 compare-exchange or double-checked lock to ensure only one thread sets
469 the _M_index variable.
470 [_GLIBCXX_LONG_DOUBLE_COMPAT]: Call find_ldbl_sync_facet to detect
471 facets that share another facet's ID.
472 [_GLIBCXX_LONG_DOUBLE_COMPAT] (find_ldbl_sync_facet): New function.
475 * src/c++98/locale_init.cc (locale::classic()): Do not construct a new
476 locale object for every call.
477 (locale::_S_initialize_once()): Construct C locale here.
479 2019-10-08 Jonathan Wakely <jwakely@redhat.com>
481 * doc/Makefile.am (doc-html-docbook-regenerate): New target.
482 (${docbook_outdir}/html): Do not create unused 'html/ext' directory.
483 * doc/Makefile.in: Regenerate.
484 * doc/xml/manual/documentation_hacking.xml: Document new target.
485 * doc/html/*: Regenerate.
487 * doc/xml/manual/allocator.xml: Use archived copy of CUJ article.
488 * doc/html/*: Regenerate.
490 2019-10-06 François Dumont <fdumont@gcc.gnu.org>
492 * include/bits/stl_algo.h
493 (__copy_n_a(_IIte, _Size, _OIte)): New.
494 (__copy_n_a(istreambuf_iterator<>, _Size, _CharT*)): New declaration.
495 (__copy_n(_IIte, _Size, _OIte, input_iterator_tag)): Adapt to use
497 * include/bits/streambuf_iterator.h (istreambuf_iterator<>): Declare
498 std::__copy_n_a friend.
499 (__copy_n_a(istreambuf_iterator<>, _Size, _CharT*)): New.
500 * testsuite/25_algorithms/copy_n/istreambuf_iterator/1.cc: New.
501 * testsuite/25_algorithms/copy_n/istreambuf_iterator/1_neg.cc: New.
502 * testsuite/25_algorithms/copy_n/istreambuf_iterator/2_neg.cc: New.
504 * include/bits/stl_iterator_base_types.h (__iterator_category_t): Define
506 (_RequireInputIte): Likewise and use __enable_if_t.
507 * include/std/numeric
508 (__is_random_access_iter): Use __iterator_category_t.
510 * include/bits/stl_algo.h (copy_n): Add __glibcxx_requires_can_increment
512 * testsuite/25_algorithms/copy_n/debug/1_neg.cc: New.
513 * testsuite/25_algorithms/copy_n/debug/2_neg.cc: New.
515 2019-10-04 François Dumont <fdumont@gcc.gnu.org>
517 * include/debug/forward_list
518 (_Sequence_traits<__debug::forward_list<>>::_S_size): Returns __dp_sign
519 distance when not empty.
520 * include/debug/list (_Sequence_traits<__debug::list<>>::_S_size):
522 * include/debug/helper_functions.h (__dp_sign_max_size): New
523 _Distance_precision enum entry.
524 (__valid_range_aux(_IIte, _IIte, _Distance_traits<>::__type,
525 __false_type)): Adapt.
526 * include/debug/safe_iterator.tcc
527 (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator&)): Review
528 distance computation.
530 2019-10-04 Jonathan Wakely <jwakely@redhat.com>
534 * configure.ac: Use AC_SYS_LARGEFILE to enable 64-bit file APIs.
535 * config.h.in: Regenerate:
536 * configure: Regenerate:
537 * include/Makefile.am (${host_builddir}/largefile-config.h): New
538 target to generate config header for filesystem library.
539 (${host_builddir}/c++config.h): Rename macros for large file support.
540 * include/Makefile.in: Regenerate.
541 * src/c++17/fs_dir.cc: Include new config header.
542 * src/c++17/fs_ops.cc: Likewise.
543 (filesystem::file_size): Use uintmax_t for size.
544 * src/filesystem/dir.cc: Include new config header.
545 * src/filesystem/ops.cc: Likewise.
546 (experimental::filesystem::file_size): Use uintmax_t for size.
548 * testsuite/util/testsuite_abi.h: Use std::unordered_map instead of
549 std::tr1::unordered_map.
550 * testsuite/util/testsuite_allocator.h: Likewise.
552 * include/tr1/hashtable.h: Add header for __gnu_cxx::__alloc_traits.
554 * include/tr1/hashtable.h (tr1::_Hashtable::_M_allocate_node): Use
555 __gnu_cxx::__alloc_traits for allocator construct function.
556 (tr1::_Hashtable::_M_deallocate_node): Likewise for destroy function.
558 * include/precompiled/stdc++.h: Include <span> for C++20.
559 * testsuite/17_intro/names.cc: Do not define 'e' for C++20.
561 2019-10-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
563 * include/parallel/multiway_merge.h (_RAIter3): Replace _C by _Cp.
565 2019-10-02 Jonathan Wakely <jwakely@redhat.com>
567 * config/abi/pre/gnu.ver: Tighten up greedy wildcards.
569 * doc/xml/manual/parallel_mode.xml: Add caveat about support for
571 * doc/html/*: Regenerate.
573 2019-10-01 Jonathan Wakely <jwakely@redhat.com>
575 * include/experimental/algorithm (experimental::sample): Qualify call
576 to __sample correctly.
577 * include/parallel/algo.h (sample, for_each_n): Add using-declarations
578 for algorithms that don't have parallel implementations.
580 * include/parallel/algobase.h (equal, lexicographical_compare): Add
581 _GLIBCXX20_CONSTEXPR and dispatch to sequential algorithm when being
583 * include/parallel/algorithmfwd.h (equal, lexicographical_compare):
584 Add _GLIBCXX20_CONSTEXPR.
586 * testsuite/17_intro/using_namespace_std_tr1_neg.cc: Skip test for
588 * testsuite/20_util/hash/84998.cc: Likewise.
589 * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: Likewise.
590 * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: Likewise.
591 * testsuite/23_containers/list/pmr_typedefs_debug.cc: Likewise.
592 * testsuite/23_containers/map/pmr_typedefs_debug.cc: Likewise.
593 * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: Likewise.
594 * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: Likewise.
595 * testsuite/23_containers/set/pmr_typedefs_debug.cc: Likewise.
596 * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc:
598 * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
600 * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
602 * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc:
604 * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
606 * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: Likewise.
607 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
608 * testsuite/25_algorithms/copy/86658.cc: Likewise.
609 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
610 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
611 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
612 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
614 * include/parallel/algo.h: Replace non-reserved names.
615 * include/parallel/multiway_merge.h: Likewise.
616 * include/parallel/multiway_mergesort.h: Likewise.
617 * include/parallel/numericfwd.h: Likewise.
618 * testsuite/17_intro/names.cc: Add RAI to test macros.
620 2019-09-30 François Dumont <fdumont@gcc.gnu.org>
622 * include/debug/array: Add C++20 constexpr to comparison operators.
623 * testsuite/23_containers/array/tuple_interface/get_debug_neg.cc: Adapt
624 dg-error line numbers.
625 * testsuite/23_containers/array/tuple_interface/
626 tuple_element_debug_neg.cc: Likewise.
628 2019-09-30 Andreas Tobler <andreast@gcc.gnu.org>
630 * include/experimental/internet: Include netinet/in.h if we have
631 _GLIBCXX_HAVE_NETINET_IN_H defined.
633 * testsuite/ext/special_functions/airy_ai/check_nan.cc: Ignore the
634 FreeBSD warning about lower advertised precision of tgammal.
635 * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
636 * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc: Likewise.
637 * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc: Likewise.
638 * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc: Likewise.
639 * testsuite/special_functions/10_cyl_neumann/check_nan.cc: Likewise.
640 * testsuite/special_functions/19_sph_bessel/check_nan.cc: Likewise.
641 * testsuite/special_functions/21_sph_neumann/check_nan.cc: Likewise.
642 * testsuite/tr1/5_numerical_facilities/special_functions/
643 08_cyl_bessel_i/check_nan.cc: Likewise.
644 * testsuite/tr1/5_numerical_facilities/special_functions/
645 09_cyl_bessel_j/check_nan.cc: Likewise.
646 * testuite/tr1/5_numerical_facilities/special_functions/
647 10_cyl_bessel_k/check_nan.cc: Likewise.
648 * testsuite/tr1/5_numerical_facilities/special_functions/
649 11_cyl_neumann/check_nan.cc: Likewise.
650 * testsuite/tr1/5_numerical_facilities/special_functions/
651 21_sph_bessel/check_nan.cc: Likewise.
652 * testsuite/tr1/5_numerical_facilities/special_functions/
653 23_sph_neumann/check_nan.cc: Likewise.
655 2019-09-30 Jonathan Wakely <jwakely@redhat.com>
657 * include/std/span (span(element_type(&)[N]))
658 (span(array<value_type, N>&), span(const array<value_type, N>&)):
659 Deduce array element type to allow safe const conversions (LWG 3255).
660 [!_GLIBCXX_P1394] (span(Container&), span(const Container&)): Use
661 remove_cv_t on arguments to __is_std_span and __is_std_array.
662 * testsuite/23_containers/span/lwg3255.cc: New test.
665 * include/parallel/checkers.h (__is_sorted): Remove unused variable.
667 2019-09-28 François Dumont <fdumont@gcc.gnu.org>
669 * include/bits/stl_algo.h (merge): Fix documentation.
670 * include/debug/functions.h (__check_sorted_aux): Add C++20 constexpr.
671 (__check_sorted): Likewise and remove nested irreflexive check.
672 (__check_sorted_set_aux, __check_sorted_set): Add C++20 constexpr.
673 (__check_partitioned_lower, __check_partitioned_upper): Likewise.
674 (_Irreflexive_checker::_S_is_valid): Likewise.
675 (__is_irreflexive, __is_irreflexive_pred): Likewise.
676 * include/debug/helper_functions.h (__get_distance): Add constexpr.
677 (__valid_range_aux): Add C++20 constexpr.
678 (__valid_range(_Iter, _Iter, _Distance_traits<_Iter>::__type&)):
679 Likewise and add std::is_constant_evaluated check.
680 (__valid_range_aux(_Iter, _Iter, std::input_iterator_tag)): New.
681 (__valid_range_aux(_Iter, _Iter, std::random_accss_iterator_tag)): New.
682 (__valid_range_aux(_Integral, _Integral, std::__true_type)): New,
684 (__valid_range(_Iter, _Iter)): Adapt to use latter, add constexpr and
685 __builtin_is_contant_evaludated check..
686 (__can_advance, __base): Add constexpr.
687 * include/debug/macros.h [_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED]
688 (_GLIBCXX_DEBUG_VERIFY_COND_AT): New.
689 (__glibcxx_check_sorted): Use __glibcxx_check_irreflexive.
690 (__glibcxx_check_sorted_pred): Use __glibcxx_check_irreflexive_pred.
691 * testsuite/25_algorithms/binary_search/constexpr.cc: Use irreflexive
693 * testsuite/25_algorithms/is_sorted/constexpr.cc: Likewise.
694 * testsuite/25_algorithms/merge/constexpr.cc: Fix order in camm. Fix
695 lambda to be irreflexive.
697 2019-09-27 Maciej W. Rozycki <macro@wdc.com>
699 * configure: Regenerate.
701 2019-09-27 Jonathan Wakely <jwakely@redhat.com>
704 * src/c++11/debug.cc (_Safe_iterator_base::_M_detach()): Load pointer
705 atomically and lock the mutex before accessing the sequence.
706 (_Safe_local_iterator_base::_M_detach()): Likewise.
707 (_Safe_iterator_base::_M_reset()): Clear _M_sequence atomically.
709 2019-09-26 Jonathan Wakely <jwakely@redhat.com>
711 * include/debug/array (to_array): Define for debug mode.
713 * include/bits/stl_pair.h (pair): Add _GLIBCXX20_CONSTEXPR to
714 piecewise construction constructor, assignment operators, and swap.
715 * include/std/tuple (pair::pair(piecewise_construct_t, tuple, tuple)):
716 Add _GLIBCXX20_CONSTEXPR.
717 (pair::pair(tuple, tuple, _Index_tuple, _Index_tuple)): Likewise.
718 * testsuite/20_util/pair/constexpr_assign.cc: New test.
719 * testsuite/20_util/pair/constexpr_swap.cc: New test.
721 * include/experimental/internet (operator==, operator<): Fix loop
722 condition to avoid reading past the end of the array.
724 * include/std/array: Remove references to profile mode.
725 * include/std/bitset: Likewise.
726 * include/std/deque: Likewise.
727 * include/std/forward_list: Likewise.
728 * include/std/list: Likewise.
729 * include/std/map: Likewise.
730 * include/std/set: Likewise.
731 * include/std/unordered_map: Likewise.
732 * include/std/unordered_set: Likewise.
733 * include/std/vector: Likewise.
734 * testsuite/17_intro/headers/c++1998/profile_mode.cc: New test.
735 * testsuite/17_intro/headers/c++2011/profile_mode.cc: New test.
737 2019-09-25 Jonathan Wakely <jwakely@redhat.com>
739 * include/bits/regex.h
740 (basic_regex::assign(const C*, size_t, flag_type)): Add default
742 * testsuite/28_regex/basic_regex/assign/char/lwg3296.cc: New test.
743 * testsuite/28_regex/basic_regex/assign/wchar_t/lwg3296.cc: New test.
745 2019-09-24 Jonathan Wakely <jwakely@redhat.com>
747 * include/std/variant (variant::index()): Remove impossible case.
750 * testsuite/util/testsuite_hooks.h
751 (conversion::iterator_to_const_iterator()): Do not return an invalid
752 iterator. Test direct-initialization and direct-list-initialization
753 as well as implicit conversion.
755 2019-09-23 Jonathan Wakely <jwakely@redhat.com>
757 PR libstdc++/91788 (partial)
758 * include/std/variant (variant::index()): Improve codegen for cases
759 where conversion to size_t already works correctly.
761 2019-09-23 Andreas Schwab <schwab@suse.de>
763 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
765 2019-09-12 Jonathan Wakely <jwakely@redhat.com>
768 * include/bits/stl_algo.h (for_each_n): Fix random access iterator
770 * testsuite/25_algorithms/for_each/for_each_n.cc: Test with random
773 2019-09-11 Jonathan Wakely <jwakely@redhat.com>
775 * python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker.__call__):
778 * testsuite/20_util/result_of/sfinae_friendly_1.cc: Add -Wno-volatile
779 for C++2a and up. Define HAS_52748_FIXED and fix incorrect tests.
780 * testsuite/tr1/3_function_objects/result_of.cc: Add -Wno-volatile
783 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
785 * include/std/type_traits (__do_common_type_impl): Implement
786 additional COND-RES(CREF(D1), CRED(D2)) condition for C++20.
787 (basic_common_reference, common_reference, common_reference_t): Define
789 * testsuite/20_util/common_reference/requirements/alias_decl.cc: New
791 * testsuite/20_util/common_reference/requirements/
792 explicit_instantiation.cc: New test.
793 * testsuite/20_util/common_reference/requirements/typedefs.cc: New
796 * include/std/charconv (to_chars): Rename to __to_chars_i. Define
797 non-template overloads for each signed and unsigned integer type and
798 char. Define deleted overload for bool (LWG 3266).
799 * testsuite/20_util/to_chars/1_neg.cc: Remove.
800 * testsuite/20_util/to_chars/3.cc: New test.
801 * testsuite/20_util/to_chars/lwg3266.cc: New test.
803 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
805 * acinclude.m4: Handle uclinux*.
806 * configure: Regenerate.
807 * configure.host: Handle uclinux*
809 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
810 Mickaël Guêné <mickael.guene@st.com>
812 * libsupc++/eh_personality.cc (get_ttype_entry): Add FDPIC
815 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
818 * testsuite/23_containers/span/get_neg.cc: Avoid ambiguity due to
819 0ul being a valid null pointer constant.
821 * include/std/type_traits (__remove_cv_t): New alias template.
822 (is_void, is_integral, is_floating_point, is_pointer)
823 (is_member_object_pointer, is_member_function_pointer, is_null_pointer)
824 (is_member_point), __is_signed_integer, __is_unsigned_integer)
825 (__make_unsigned_selector, __make_signed_selector, remove_pointer)
826 (__decay_selector): Use __remove_cv_t.
827 (remove_cv): Add partial specializations for cv-qualified types.
828 (__decay_t): New alias template.
829 (__decay_and_strip, __common_type_impl, __result_of_impl): Use
831 (__enable_if_t): Move earlier in the file.
832 (_Require): Use __enable_if_t.
833 (swap(T&, T&)): Use _Require.
834 (swap(T(&)[N])): Use __enable_if_t.
836 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
838 Implement C++20 p1424 - 'constexpr' feature macro concerns,
839 Issue 3256 - Feature testing macro for constexpr algorithms,
840 and Issue 3257 - Missing feature testing macro update from P0858.
841 * include/std/version (__cpp_lib_constexpr_algorithms): Bump value.
842 * include/bits/algorithmfwd.h: Ditto.
843 * include/std/utility: Ditto.
844 * testsuite/25_algorithms/constexpr_macro.cc: Ditto.
845 * testsuite/25_algorithms/cpp_lib_constexpr.cc: New check for
846 __cpp_lib_constexpr macro in <algorith>.
847 * testsuite/20_util/exchange/constexpr.cc: Add check for
848 __cpp_lib_constexpr macro in <utility>.
849 * testsuite/25_algorithms/adjacent_find/constexpr.cc: Remove check for
850 __cpp_lib_constexpr_algorithms.
851 * testsuite/25_algorithms/all_of/constexpr.cc: Ditto.
852 * testsuite/25_algorithms/any_of/constexpr.cc: Ditto.
853 * testsuite/25_algorithms/binary_search/constexpr.cc: Ditto.
854 * testsuite/25_algorithms/copy/constexpr.cc: Ditto.
855 * testsuite/25_algorithms/copy_backward/constexpr.cc: Ditto.
856 * testsuite/25_algorithms/copy_if/constexpr.cc: Ditto.
857 * testsuite/25_algorithms/copy_n/constexpr.cc: Ditto.
858 * testsuite/25_algorithms/count/constexpr.cc: Ditto.
859 * testsuite/25_algorithms/count_if/constexpr.cc: Ditto.
860 * testsuite/25_algorithms/equal/constexpr.cc: Ditto.
861 * testsuite/25_algorithms/equal_range/constexpr.cc: Ditto.
862 * testsuite/25_algorithms/fill/constexpr.cc: Ditto.
863 * testsuite/25_algorithms/fill_n/constexpr.cc: Ditto.
864 * testsuite/25_algorithms/find/constexpr.cc: Ditto.
865 * testsuite/25_algorithms/find_end/constexpr.cc: Ditto.
866 * testsuite/25_algorithms/find_first_of/constexpr.cc: Ditto.
867 * testsuite/25_algorithms/find_if/constexpr.cc: Ditto.
868 * testsuite/25_algorithms/find_if_not/constexpr.cc: Ditto.
869 * testsuite/25_algorithms/for_each/constexpr.cc: Ditto.
870 * testsuite/25_algorithms/generate/constexpr.cc: Ditto.
871 * testsuite/25_algorithms/generate_n/constexpr.cc: Ditto.
872 * testsuite/25_algorithms/is_heap/constexpr.cc: Ditto.
873 * testsuite/25_algorithms/is_heap_until/constexpr.cc: Ditto.
874 * testsuite/25_algorithms/is_partitioned/constexpr.cc: Ditto.
875 * testsuite/25_algorithms/is_permutation/constexpr.cc: Ditto.
876 * testsuite/25_algorithms/is_sorted/constexpr.cc: Ditto.
877 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: Ditto.
878 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: Ditto.
879 * testsuite/25_algorithms/lower_bound/constexpr.cc: Ditto.
880 * testsuite/25_algorithms/merge/constexpr.cc: Ditto.
881 * testsuite/25_algorithms/mismatch/constexpr.cc: Ditto.
882 * testsuite/25_algorithms/none_of/constexpr.cc: Ditto.
883 * testsuite/25_algorithms/partition_copy/constexpr.cc: Ditto.
884 * testsuite/25_algorithms/partition_point/constexpr.cc: Ditto.
885 * testsuite/25_algorithms/remove/constexpr.cc: Ditto.
886 * testsuite/25_algorithms/remove_copy/constexpr.cc: Ditto.
887 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: Ditto.
888 * testsuite/25_algorithms/remove_if/constexpr.cc: Ditto.
889 * testsuite/25_algorithms/replace_copy/constexpr.cc: Ditto.
890 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: Ditto.
891 * testsuite/25_algorithms/replace_if/constexpr.cc: Ditto.
892 * testsuite/25_algorithms/reverse_copy/constexpr.cc: Ditto.
893 * testsuite/25_algorithms/rotate_copy/constexpr.cc: Ditto.
894 * testsuite/25_algorithms/search/constexpr.cc: Ditto.
895 * testsuite/25_algorithms/search_n/constexpr.cc: Ditto.
896 * testsuite/25_algorithms/set_difference/constexpr.cc: Ditto.
897 * testsuite/25_algorithms/set_intersection/constexpr.cc: Ditto.
898 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: Ditto.
899 * testsuite/25_algorithms/set_union/constexpr.cc: Ditto.
900 * testsuite/25_algorithms/transform/constexpr.cc: Ditto.
901 * testsuite/25_algorithms/unique/constexpr.cc: Ditto.
902 * testsuite/25_algorithms/unique_copy/constexpr.cc: Ditto.
903 * testsuite/25_algorithms/upper_bound/constexpr.cc: Ditto.
905 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
907 Update docs for recent <span> and constexpr lib changes.
908 * doc/xml/manual/status_cxx2020.xml: Update p0202r3, p0858r0, p0879r0,
909 p1023r0, p1085r2 status.
910 * doc/html/manual/status.html: Regenerate.
912 2019-09-09 Antony Polukhin <antoshkka@gmail.com>
914 * include/bits/charconv.h (__detail::__to_chars_10_impl): Replace
915 final offsets with constants.
917 2019-09-09 Jonathan Wakely <jwakely@redhat.com>
919 * include/bits/range_access.h (__adl_to_address): Remove.
920 * include/std/span (__is_base_derived_safe_convertible_v): Replace
921 with span::__is_compatible.
922 (__is_std_array_v): Replace with __is_std_array class template and
923 partial specializations.
924 (__is_std_array, __is_std_span): New class templates and partial
926 (span::__is_compatible): New alias template for SFINAE constraints.
927 (span::span(element_type (&)[N])): Remove redundant constraints. Do
928 not use __adl_data to obtain a pointer.
929 (span::span(array<value_type, N>&)): Likewise.
930 (span::span(const array<value_type, N>&)): Likewise.
931 [_GLIBCXX_P1394] (span::iter_reference_t, span::iterator_t)
932 (span::iter_value_t, span::derived_from): New alias templates for
933 SFINAE constraints, until the equivalents are supported in <concepts>
935 [_GLIBCXX_P1394] (span::__is_compatible_iterator): New alias template
936 for SFINAE constraints.
937 [_GLIBCXX_P1394] (span::is_compatible_range): New class template for
939 [_GLIBCXX_P1394] (span::span(Range&&)): Improve constraints.
940 [_GLIBCXX_P1394] (span::span(ContiguousIterator, Sentinel)): Likewise.
941 Use std::to_address instead of __adl_to_address.
942 [_GLIBCXX_P1394] (span::span(ContiguousIterator, size_type)): Likewise.
943 [!_GLIBCXX_P1394] (span::__is_compatible_container): New alias
944 template for SFINAE constraints.
945 [!_GLIBCXX_P1394] (span::span(Container&))
946 (span::span(const Container&)): Improve constraints.
947 [!_GLIBCXX_P1394] (span::span(pointer, size_type))
948 (span::span(pointer, pointer)): Remove redundant cast of pointer.
949 (span(const span<OType, OExtent>&)): New constructor.
951 2019-09-06 Jonathan Wakely <jwakely@redhat.com>
953 * include/bits/range_access.h (ssize): Define for C++20.
954 * testsuite/24_iterators/range_access_cpp20.cc: New test.
955 * doc/xml/manual/status_cxx2020.xml: Update P1227R2 status.
956 * doc/html/*: Regenerate.
958 2019-09-06 Florian Weimer <fweimer@redhat.com>
960 * configure: Regenerate.
962 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
964 * doc/xml/manual/status_cxx2020.xml: Update status for P0122R7 and
965 P1024R3. Remove entry for P0920R2.
966 * include/std/span (__cpp_lib_span): Change value.
967 (__extent_storage, __extent_storage<dynamic_extent>): Remove default
969 (span): Replace __extent_storage base class with data member.
970 (span::_S_subspan_extent): New function.
971 (span::empty()): Add nodiscard attribute.
972 (span::front, span::back, span::operator[]): Check preconditions.
973 (span::first, span::last, span::subspan): Add noexcept. Improve
974 precondition checks (LWG 3103).
975 (get): Remove redundant condition from static_assert.
976 (tuple_element<I, span<T, E>>): Fix static_assert message and simplify.
977 (as_writable_bytes): Add inline specifier.
978 * include/std/version (__cpp_lib_span): Change value.
979 * testsuite/23_containers/span/back_neg.cc: Remove stray semi-colon.
980 * testsuite/23_containers/span/front_neg.cc: Likewise.
981 * testsuite/23_containers/span/index_op_neg.cc: Likewise.
982 * testsuite/23_containers/span/last_neg.cc: Improve test.
983 * testsuite/23_containers/span/subspan_neg.cc: Likewise.
984 * testsuite/23_containers/span/1.cc: New test.
985 * testsuite/23_containers/span/2.cc: New test.
986 * testsuite/23_containers/span/back_assert_neg.cc: New test.
987 * testsuite/23_containers/span/first_2_assert_neg.cc: New test.
988 * testsuite/23_containers/span/first_assert_neg.cc: New test.
989 * testsuite/23_containers/span/first_neg.cc: New test.
990 * testsuite/23_containers/span/front_assert_neg.cc: New test.
991 * testsuite/23_containers/span/index_op_assert_neg.cc: New test.
992 * testsuite/23_containers/span/last_2_assert_neg.cc: New test.
993 * testsuite/23_containers/span/last_assert_neg.cc: New test.
994 * testsuite/23_containers/span/subspan_2_assert_neg.cc: New test.
995 * testsuite/23_containers/span/subspan_3_assert_neg.cc: New test.
996 * testsuite/23_containers/span/subspan_4_assert_neg.cc: New test.
997 * testsuite/23_containers/span/subspan_5_assert_neg.cc: New test.
998 * testsuite/23_containers/span/subspan_6_assert_neg.cc: New test.
999 * testsuite/23_containers/span/subspan_assert_neg.cc: New test.
1001 2019-09-05 JeanHeyd Meneide <phdofthehouse@gmail.com>
1003 * include/Makefile.am: Add <span> header.
1004 * include/Makefile.in: Regenerate.
1005 * include/bits/range_access.h (__adl_begin, __adl_end, __adl_cbegin)
1006 (__adl_cend, __adl_rbegin, __adl_rend, __adl_crbegin, __adl_crend)
1007 (__adl_data, __adl_cdata, __adl_size, __adl_empty, __adl_to_address):
1008 New functions for performing argument-dependent lookup of range
1009 customization points.
1010 * include/bits/stl_iterator.h (__normal_iterator): Add
1011 _GLIBCXX20_CONSTEXPR to all functions.
1012 * include/std/span: New header.
1013 * include/std/version (__cpp_lib_span): Define feature test macro.
1014 * testsuite/23_containers/span/contiguous_range_neg.cc: New test.
1015 * testsuite/23_containers/span/everything.cc: New test.
1016 * testsuite/23_containers/span/get_neg.cc: New test.
1017 * testsuite/23_containers/span/last_neg.cc: New test.
1018 * testsuite/23_containers/span/subspan_neg.cc: New test.
1019 * testsuite/23_containers/span/tuple_element_dynamic_neg.cc: New test.
1020 * testsuite/23_containers/span/tuple_element_oob_neg.cc: New test.
1021 * testsuite/23_containers/span/tuple_size_neg.cc: New test.
1023 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
1025 * doc/xml/manual/allocator.xml: Remove URL for bibliography entry.
1026 * doc/html/*: Regenerate.
1028 2019-09-04 Mike Crowe <mac@mcrowe.com>
1031 * acinclude.m4 (GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT): Check for new
1032 pthread_cond_clockwait function.
1033 * configure.ac: Use GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT.
1034 * configure: Regenerate.
1035 * config.h.in: Regenerate.
1036 * include/std/condition_variable: (condition_variable): Rename
1037 __steady_clock_t typedef and add system_clock. Change __clock_t to be
1038 a typedef for the preferred clock to convert arbitrary other clocks to.
1039 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (wait_until): Add a steady_clock
1041 (wait_until): Change __clock_t overload to use system_clock.
1042 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (__wait_until_impl): Add
1043 steady_clock overload that calls pthread_cond_clockwait.
1044 (__wait_until_impl): Change __clock_t overload to use system_clock.
1045 (condition_variable_any) [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT]: Use
1046 steady_clock for __clock_t if pthread_cond_clockwait is available.
1048 2019-09-04 Mike Crowe <mac@mcrowe.com>
1050 * testsuite/30_threads/condition_variable/members/2.cc (test01):
1051 Parameterise so that test can be run against an arbitrary clock.
1052 (main): Test using std::chrono::steady_clock and a user-defined
1053 clock in addition to the previous std::chrono::system_clock.
1054 * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
1056 2019-09-03 Ulrich Weigand <uweigand@de.ibm.com>
1058 * crossconfig.m4: Remove references to spu.
1059 * configure: Regenerate.
1060 * doc/xml/manual/appendix_contributing.xml: Remove references
1061 to __ea as "badword" for spu.
1062 * doc/html/manual/source_code_style.html: Regenerate.
1063 * include/tr1/ell_integral.tcc (__ellint_rd): Do not attempt
1064 to avoid __ea (as "badword" for spu).
1065 (__ellint_rj): Likewise.
1067 2019-09-03 Chung-Lin Tang <cltang@codesourcery.com>
1070 * acinclude.m4 (GLIBCXX_CHECK_LINKER_FEATURES): Fix GNU ld --version
1071 scanning to conform to the GNU Coding Standards.
1072 * configure: Regenerate.
1074 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
1076 * src/c++17/memory_resource.cc: Use __constinit keyword.
1078 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
1080 * doc/xml/manual/abi.xml: Document 9.x library versions.
1081 * doc/html/*: Regenerate.
1083 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
1085 * include/std/charconv (__detail::__to_chars_2_len): Use std::log2p1.
1086 (__detail::__to_chars_8_len): Remove.
1087 (__detail::__to_chars_8): Inline length calculation here.
1088 (__detail::__from_chars_binary): Use numeric_limits instead of
1091 2019-09-02 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1093 * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
1094 * config/abi/post/i386-solaris/amd64/baseline_symbols.txt: Likewise.
1095 * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
1096 * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
1099 2019-09-01 François Dumont <fdumont@gcc.gnu.org>
1101 * testsuite_files/util/testsuite_performance.h
1102 (resource_counter::start): Ignore unused malloc(0) result.
1104 2019-09-01 Gerald Pfeifer <gerald@pfeifer.com>
1106 * doc/xml/manual/policy_data_structures_biblio.xml (COM: Component
1107 Model Object Technologies): Adjust name and link.
1109 2019-08-30 Antony Polukhin <antoshkka@gmail.com>
1111 * include/std/charconv (__detail::__to_chars_8)
1112 __detail::__to_chars_16): Replace array of precomputed digits with
1113 arithmetic operations to avoid CPU cache misses. Remove zero
1114 termination from array of digits to allow symbol merge with generic
1115 implementation of __detail::__to_chars. Replace final offsets with
1116 constants. Use __detail::__to_chars_len_2 instead of a generic
1117 __detail::__to_chars_len.
1118 (__detail::__to_chars): Remove zero termination from array of digits.
1119 (__detail::__to_chars_2): Leading digit is always '1'.
1121 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
1123 * testsuite/23_containers/vector/cons/89164_c++17.cc: Fix errors.
1125 2019-08-30 Uros Bizjak <ubizjak@gmail.com>
1127 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
1129 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
1132 * include/bits/stl_algobase.h (__copy_move): Give descriptive names
1133 to template parameters.
1134 * include/bits/stl_uninitialized.h (uninitialized_copy)
1135 (uninitialized_fill, uninitialized_fill_n): Add static assertions to
1136 diagnose invalid uses.
1137 * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
1138 Adjust expected error.
1139 * testsuite/20_util/specialized_algorithms/uninitialized_copy/89164.cc:
1141 * testsuite/20_util/specialized_algorithms/uninitialized_copy_n/
1143 * testsuite/20_util/specialized_algorithms/uninitialized_fill/89164.cc:
1145 * testsuite/20_util/specialized_algorithms/uninitialized_fill_n/
1147 * testsuite/23_containers/vector/cons/89164.cc: New test.
1148 * testsuite/23_containers/vector/cons/89164_c++17.cc: New test.
1150 2019-08-29 Jonathan Wakely <jwakely@redhat.com>
1153 * acinclude.m4 (libtool_VERSION): Bump to 6:28:0.
1154 * configure: Regenerate.
1155 * config/abi/pre/gnu.ver (GLIBCXX_3.4.28): Add new version. Export
1157 * testsuite/27_io/filesystem/iterators/91067.cc: Test move
1159 * testsuite/util/testsuite_abi.cc: Add new symbol version.
1161 2019-08-29 Jakub Jelinek <jakub@redhat.com>
1163 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
1164 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1166 2019-08-28 Jonathan Wakely <jwakely@redhat.com>
1168 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
1169 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
1170 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
1171 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
1172 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
1173 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
1174 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
1176 2019-08-23 Joseph Myers <joseph@codesourcery.com>
1178 * src/filesystem/ops-common.h [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
1179 (std::filesystem::__gnu_posix::lstat): Add return type.
1181 2019-08-20 Jonathan Wakely <jwakely@redhat.com>
1183 * doc/doxygen/user.cfg.in (INPUT): Remove profile mode headers.
1185 * include/std/numeric (reduce): Fix Doxygen markup.
1188 * include/std/type_traits (is_function): Simplify definition. Remove
1189 partial specializations for function types.
1190 (__is_referenceable): Simplify definition.
1191 * testsuite/20_util/bind/91371.cc: New test.
1192 * testsuite/20_util/is_function/91371.cc: New test.
1193 * testsuite/20_util/is_function/value.cc: Check more pointer types.
1194 * testsuite/20_util/is_member_function_pointer/91371.cc: New test.
1195 * testsuite/20_util/is_object/91371.cc: New test.
1197 2019-08-16 Uros Bizjak <ubizjak@gmail.com>
1199 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
1201 2019-08-15 Jonathan Wakely <jwakely@redhat.com>
1204 * include/bits/std_function.h (__check_func_return_type): Remove.
1205 (function::_Callable): Use std::__is_invocable_impl instead of
1206 __check_func_return_type.
1207 * include/std/type_traits (__is_invocable_impl): Add another defaulted
1208 template parameter. Define a separate partial specialization for
1209 INVOKE and INVOKE<void>. For INVOKE<R> replace is_convertible check
1210 with a check that models delayed temporary materialization.
1211 * testsuite/20_util/function/91456.cc: New test.
1212 * testsuite/20_util/is_invocable/91456.cc: New test.
1214 2019-08-14 Jonathan Wakely <jwakely@redhat.com>
1216 * include/std/type_traits (__is_nullptr_t): Add deprecated attribute.
1218 2019-08-14 Edward Smith-Rowland <3dw4rd@verizon.net>
1220 Implement C++20 p0879 - Constexpr for swap and swap related functions.
1221 * include/std/version (__cpp_lib_constexpr_swap_algorithms): New macro.
1222 * include/bits/algorithmfwd.h (__cpp_lib_constexpr_swap_algorithms):
1224 (iter_swap, make_heap, next_permutation, partial_sort_copy, pop_heap)
1225 (prev_permutation, push_heap, reverse, rotate, sort_heap, swap)
1226 (swap_ranges, nth_element, partial_sort, sort): Add constexpr.
1227 * include/bits/move.h (swap): Add constexpr.
1228 * include/bits/stl_algo.h (__move_median_to_first, __reverse, reverse)
1229 (__gcd, __rotate, rotate, __partition, __heap_select)
1230 (__partial_sort_copy, partial_sort_copy, __unguarded_partition)
1231 (__unguarded_partition_pivot, __partial_sort, __introsort_loop, __sort)
1232 (__introselect, __chunk_insertion_sort, next_permutation)
1233 (prev_permutation, partition, partial_sort, nth_element, sort)
1234 (__iter_swap::iter_swap, iter_swap, swap_ranges): Add constexpr.
1235 * include/bits/stl_algobase.h (__iter_swap::iter_swap, iter_swap)
1236 (swap_ranges): Add constexpr.
1237 * include/bits/stl_heap.h (__push_heap, push_heap, __adjust_heap,
1238 __pop_heap, pop_heap, __make_heap, make_heap, __sort_heap, sort_heap):
1240 * include/std/type_traits (swap): Add constexpr.
1241 * testsuite/25_algorithms/headers/algorithm/synopsis.cc: Add constexpr.
1242 * testsuite/25_algorithms/iter_swap/constexpr.cc: New test.
1243 * testsuite/25_algorithms/make_heap/constexpr.cc: New test.
1244 * testsuite/25_algorithms/next_permutation/constexpr.cc: New test.
1245 * testsuite/25_algorithms/nth_element/constexpr.cc: New test.
1246 * testsuite/25_algorithms/partial_sort/constexpr.cc: New test.
1247 * testsuite/25_algorithms/partial_sort_copy/constexpr.cc: New test.
1248 * testsuite/25_algorithms/partition/constexpr.cc: New test.
1249 * testsuite/25_algorithms/pop_heap/constexpr.cc: New test.
1250 * testsuite/25_algorithms/prev_permutation/constexpr.cc: New test.
1251 * testsuite/25_algorithms/push_heap/constexpr.cc: New test.
1252 * testsuite/25_algorithms/reverse/constexpr.cc: New test.
1253 * testsuite/25_algorithms/rotate/constexpr.cc: New test.
1254 * testsuite/25_algorithms/sort/constexpr.cc: New test.
1255 * testsuite/25_algorithms/sort_heap/constexpr.cc: New test.
1256 * testsuite/25_algorithms/swap/constexpr.cc: New test.
1257 * testsuite/25_algorithms/swap_ranges/constexpr.cc: New test.
1259 2019-08-12 Jonathan Wakely <jwakely@redhat.com>
1262 * src/c++17/string-inst.cc: Use _GLIBCXX_USE_CXX11_ABI=1 by default.
1264 * include/std/tuple (__unpack_std_tuple): New variable template and
1265 partial specializations.
1266 (apply, make_from_tuple): Add noexcept-specifier.
1267 * testsuite/20_util/tuple/apply/2.cc: New test.
1268 * testsuite/20_util/tuple/make_from_tuple/2.cc: New test.
1270 2019-08-09 Corentin Gay <gay@adacore.com>
1272 * testsuite/ext/random/beta_distribution/operators/serialize.cc,
1273 testsuite/ext/random/hypergeometric_distribution/operators/serialize.cc,
1274 testsuite/ext/random/normal_mv_distribution/operators/serialize.cc,
1275 testsuite/ext/random/triangular_distribution/operators/serialize.cc,
1276 testsuite/ext/random/von_mises_distribution/operators/serialize.cc:
1277 Add call to `VERIFY`.
1279 2019-08-09 Alexandre Oliva <oliva@adacore.com>
1281 * include/ext/random
1282 (normal_mv_distribution::param_type::param_type): New private
1283 ctor taking a decomposed varcov matrix, for use by...
1284 (operator>>): ... this, befriended.
1285 * include/ext/random.tcc (operator>>): Use it.
1286 (normal_mv_distribution::param_type::_M_init_lower): Adjust
1287 member function name in exception message.
1289 2019-08-08 Jonathan Wakely <jwakely@redhat.com>
1291 P0325R4 to_array from LFTS with updates
1292 * include/experimental/array (to_array): Qualify call to __to_array.
1293 * include/std/array (__cpp_lib_to_array, to_array): Define for C++20.
1294 * include/std/version (__cpp_lib_to_array): Likewise.
1295 * testsuite/23_containers/array/creation/1.cc: New test.
1296 * testsuite/23_containers/array/creation/2.cc: New test.
1297 * testsuite/23_containers/array/creation/3_neg.cc: New test.
1298 * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
1299 Use zero for dg-error line number.
1301 2019-08-06 Jonathan Wakely <jwakely@redhat.com>
1303 P1651R0 bind_front should not unwrap reference_wrapper
1304 * include/std/functional (bind_front): Don't unwrap reference_wrapper.
1305 * include/std/version (__cpp_lib_bind_front): Update value.
1306 * testsuite/20_util/function_objects/bind_front/1.cc: Fix test for
1308 * testsuite/20_util/function_objects/bind_front/2.cc: New test.
1310 * include/std/numbers [!__STRICT_ANSI__ && _GLIBCXX_USE_FLOAT128]
1311 (e_v, log2e_v, log10e_v, pi_v, inv_pi_v, inv_sqrtpi_v, ln2_v, ln10_v)
1312 (sqrt2_v, sqrt3_v, inv_sqrt3, egamma_v, phi_v): Add explicit
1313 specializations for __float128.
1314 * testsuite/26_numerics/numbers/float128.cc: New test.
1316 2019-08-04 Gerald Pfeifer <gerald@pfeifer.com>
1318 * doc/xml/manual/documentation_hacking.xml: doxygen.org is now
1321 2019-08-01 Edward Smith-Rowland <3dw4rd@verizon.net>
1323 Implement C++20 p0202 - Add Constexpr Modifiers to Functions
1324 in <algorithm> and <utility> Headers.
1325 Implement C++20 p1023 - constexpr comparison operators for std::array.
1326 * include/bits/algorithmfwd.h (all_of, any_of, binary_search, copy,
1327 copy_backward, copy_if, copy_n, equal_range, fill, find_end,
1328 find_if_not, includes, is_heap, is_heap_until, is_partitioned,
1329 is_permutation, is_sorted, is_sorted_until, iter_swap, lower_bound,
1330 none_of, partition_copy, partition_point, remove, remove_if,
1331 remove_copy, remove_copy_if, replace_copy, replace_copy_if,
1332 reverse_copy, rotate_copy, uunique, upper_bound, adjacent_find, count,
1333 count_if, equal, find, find_first_of, find_if, for_each, generate,
1334 generate_n, lexicographical_compare, merge, mismatch, replace,
1335 replace_if, search, search_n, set_difference, set_intersection,
1336 set_symmetric_difference, set_union, transform, unique_copy):
1338 * include/bits/cpp_type_traits.h (__miter_base): Mark constexpr.
1339 * include/bits/predefined_ops.h (_Iter_less_val::operator(),
1340 _Val_less_iter::operator(), _Iter_equal_to_iter::operator(),
1341 _Iter_equal_to_val::operator(), _Iter_equals_val::operator()):
1342 Use const ref instead of ref arg;
1343 (_Iter_less_val, __iter_less_val, _Val_less_iter, __val_less_iter,
1344 __iter_equal_to_iter, __iter_equal_to_val, __iter_comp_val,
1345 _Iter_comp_val, _Val_comp_iter, __val_comp_iter, __iter_equals_val,
1346 _Iter_equals_iter, __iter_comp_iter, _Iter_pred, __pred_iter,
1347 _Iter_comp_to_val, __iter_comp_val, _Iter_comp_to_iter,
1348 __iter_comp_iter): Mark constexpr.
1349 * include/bits/stl_algo.h (__find_if, __find_if_not, __find_if_not_n,
1350 __search, __search_n_aux, __search_n, __find_end, find_end, all_of,
1351 none_of, any_of, find_if_not, is_partitioned, partition_point,
1352 __remove_copy_if, remove_copy, remove_copy_if, copy_if, __copy_n,
1353 copy_n, partition_copy, __remove_if, remove, remove_if, __adjacent_find,
1354 __unique, unique, __unique_copy, reverse_copy, rotate_copy,
1355 __unguarded_linear_insert, __insertion_sort, __unguarded_insertion_sort,
1356 __final_insertion_sort, lower_bound, __upper_bound, upper_bound,
1357 __equal_range, equal_range, binary_search, __includes, includes,
1358 __next_permutation, __prev_permutation, __replace_copy_if, replace_copy,
1359 replace_copy_if, __count_if, is_sorted, __is_sorted_until,
1360 is_sorted_until, __is_permutation, is_permutation, for_each, find,
1361 find_if, find_first_of, adjacent_find, count, count_if, search,
1362 search_n, transform, replace, replace_if, generate, generate_n,
1363 unique_copy, __merge, merge, __set_union, set_union, __set_intersection,
1364 set_intersection, __set_difference, set_difference,
1365 __set_symmetric_difference, set_symmetric_difference): Mark constexpr.
1366 * include/bits/stl_algobase.h (__memmove, __memcmp): New maybe constexpr
1367 wrappers around __builtin_memmove and __builtin_memcmp
1369 (__niter_base, __niter_wrap, __copy_m, __copy_move_a, __copy_move_a2,
1370 copy, move, __copy_move_b, __copy_move_backward_a,
1371 __copy_move_backward_a2, copy_backward, move_backward, __fill_a, fill,
1372 __fill_n_a, fill_n, equal, __lc_rai::__newlast1, __lc_rai::__cnd2,
1373 __lexicographical_compare_impl, __lexicographical_compare,
1374 __lexicographical_compare<true>::__lc, __lexicographical_compare_aux,
1375 __lower_bound, lower_bound, equal, __equal4, lexicographical_compare,
1376 __mismatch, mismatch, __is_heap_until, __is_heap, is_heap_until,
1377 is_heap): Mark constexpr.
1378 * include/bits/stl_heap.h (__is_heap_until, __is_heap, is_heap_until,
1379 is_heap): Mark constexpr.
1380 * include/bits/stl_iterator.h (__niter_base, __miter_base): Mark constexpr.
1381 * include/std/array: Make comparison ops constexpr.
1382 * include/std/utility: Make exchange constexpr.
1383 * include/std/version (__cpp_lib_constexpr_algorithms): New macro.
1384 * testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust.
1385 * testsuite/23_containers/array/tuple_interface/
1386 tuple_element_neg.cc: Adjust.
1387 * testsuite/20_util/exchange/constexpr.cc: New.
1388 * testsuite/23_containers/array/comparison_operators/constexpr.cc: New.
1389 * testsuite/25_algorithms/constexpr_macro.cc: New.
1390 * testsuite/25_algorithms/adjacent_find/constexpr.cc: New.
1391 * testsuite/25_algorithms/all_of/constexpr.cc: New.
1392 * testsuite/25_algorithms/any_of/constexpr.cc: New.
1393 * testsuite/25_algorithms/binary_search/constexpr.cc: New.
1394 * testsuite/25_algorithms/copy/constexpr.cc: New.
1395 * testsuite/25_algorithms/copy_backward/constexpr.cc: New.
1396 * testsuite/25_algorithms/copy_if/constexpr.cc: New.
1397 * testsuite/25_algorithms/copy_n/constexpr.cc: New.
1398 * testsuite/25_algorithms/count/constexpr.cc: New.
1399 * testsuite/25_algorithms/count_if/constexpr.cc: New.
1400 * testsuite/25_algorithms/equal/constexpr.cc: New.
1401 * testsuite/25_algorithms/equal_range/constexpr.cc: New.
1402 * testsuite/25_algorithms/fill/constexpr.cc: New.
1403 * testsuite/25_algorithms/fill_n/constexpr.cc: New.
1404 * testsuite/25_algorithms/find/constexpr.cc: New.
1405 * testsuite/25_algorithms/find_end/constexpr.cc: New.
1406 * testsuite/25_algorithms/find_first_of/constexpr.cc: New.
1407 * testsuite/25_algorithms/find_if/constexpr.cc: New.
1408 * testsuite/25_algorithms/find_if_not/constexpr.cc: New.
1409 * testsuite/25_algorithms/for_each/constexpr.cc: New.
1410 * testsuite/25_algorithms/generate/constexpr.cc: New.
1411 * testsuite/25_algorithms/generate_n/constexpr.cc: New.
1412 * testsuite/25_algorithms/is_heap/constexpr.cc: New.
1413 * testsuite/25_algorithms/is_heap_until/constexpr.cc: New.
1414 * testsuite/25_algorithms/is_partitioned/constexpr.cc: New.
1415 * testsuite/25_algorithms/is_permutation/constexpr.cc: New.
1416 * testsuite/25_algorithms/is_sorted/constexpr.cc: New.
1417 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: New.
1418 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: New.
1419 * testsuite/25_algorithms/lower_bound/constexpr.cc: New.
1420 * testsuite/25_algorithms/merge/constexpr.cc: New.
1421 * testsuite/25_algorithms/mismatch/constexpr.cc: New.
1422 * testsuite/25_algorithms/none_of/constexpr.cc: New.
1423 * testsuite/25_algorithms/partition_copy/constexpr.cc: New.
1424 * testsuite/25_algorithms/partition_point/constexpr.cc: New.
1425 * testsuite/25_algorithms/remove/constexpr.cc: New.
1426 * testsuite/25_algorithms/remove_copy/constexpr.cc: New.
1427 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: New.
1428 * testsuite/25_algorithms/remove_if/constexpr.cc: New.
1429 * testsuite/25_algorithms/replace_copy/constexpr.cc: New.
1430 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: New.
1431 * testsuite/25_algorithms/replace_if/constexpr.cc: New.
1432 * testsuite/25_algorithms/reverse_copy/constexpr.cc: New.
1433 * testsuite/25_algorithms/rotate_copy/constexpr.cc: New.
1434 * testsuite/25_algorithms/search/constexpr.cc: New.
1435 * testsuite/25_algorithms/search_n/constexpr.cc: New.
1436 * testsuite/25_algorithms/set_difference/constexpr.cc: New.
1437 * testsuite/25_algorithms/set_intersection/constexpr.cc: New.
1438 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: New.
1439 * testsuite/25_algorithms/set_union/constexpr.cc: New.
1440 * testsuite/25_algorithms/transform/constexpr.cc: New.
1441 * testsuite/25_algorithms/unique/constexpr.cc: New.
1442 * testsuite/25_algorithms/unique_copy/constexpr.cc: New.
1443 * testsuite/25_algorithms/upper_bound/constexpr.cc: New.
1445 2019-07-31 Jonathan Wakely <jwakely@redhat.com>
1447 * include/std/memory (make_obj_using_allocator): Qualify call to
1448 uses_allocator_construction_args.
1450 P0631R4 Math Constants
1451 * include/Makefile.am: Add new header.
1452 * include/Makefile.in: Regenerate.
1453 * include/precompiled/stdc++.h: Include new header.
1454 * include/std/numbers: New header.
1455 * include/std/version (__cpp_lib_math_constants): Define.
1456 * testsuite/26_numerics/numbers/1.cc: New test.
1457 * testsuite/26_numerics/numbers/2.cc: New test.
1458 * testsuite/26_numerics/numbers/3.cc: New test.
1459 * testsuite/26_numerics/numbers/nonfloat_neg.cc: New test.
1461 * include/std/bit: Add Doxygen comments.
1464 * include/bits/unique_ptr.h (unique_ptr::__safe_conversion_up): Remove
1465 constraints on deleter that should only apply to the constructor.
1466 (unique_ptr<T[], D>::__safe_conversion_up): Likewise.
1467 (unique_ptr<T[], D>::unique_ptr(unique_ptr<U, D>&&)): Restore
1468 constraints on deleter here.
1469 * testsuite/20_util/unique_ptr/assign/91308.cc: New test.
1471 2019-07-29 Jonathan Wakely <jwakely@redhat.com>
1474 * libsupc++/cxxabi.h (__gnu_cxx::recursive_init_error): Do not define
1476 * libsupc++/guard_error.cc (__gnu_cxx::recursive_init_error): Define
1478 * testsuite/18_support/51333.cc: New test.
1480 2019-07-28 Gerald Pfeifer <gerald@pfeifer.com>
1482 * doc/xml/manual/documentation_hacking.xml: Fix broken reference
1483 to the Doxygen manual. Avoid a "here" link on the way.
1484 Fix another broken link to Doxygen docblocks.
1486 2019-07-26 Jonathan Wakely <jwakely@redhat.com>
1488 * include/std/bit (__cpp_lib_endian): Define.
1489 * include/std/version (__cpp_lib_endian): Define.
1490 * testsuite/26_numerics/endian/2.cc: New.
1491 * testsuite/26_numerics/endian/3.cc: New.
1492 * testsuite/26_numerics/endian/4.cc: New.
1494 2019-07-26 François Dumont <fdumont@gcc.gnu.org>
1496 * testsuite/util/testsuite_iterators.h
1497 (bidirectional_iterator_wrapper): Fix type comment.
1498 (random_access_iterator_wrapper): Likewise.
1500 2019-07-25 Jonathan Wakely <jwakely@redhat.com>
1502 * include/std/bit (endian): Move definition here as per P1612R1.
1503 * include/std/type_traits (endian): Remove definition from here.
1504 * testsuite/20_util/endian/1.cc: Rename to ...
1505 * testsuite/26_numerics/endian/1.cc: ... here. Adjust header.
1507 2019-07-25 Martin Liska <mliska@suse.cz>
1508 Dominik Infuhr <dominik.infuehr@theobroma-systems.com>
1511 * testsuite/ext/bitmap_allocator/check_delete.cc: Add
1512 -fno-allocation-dce.
1513 * testsuite/ext/bitmap_allocator/check_new.cc: Likewise.
1514 * testsuite/ext/new_allocator/check_delete.cc: Likewise.
1515 * testsuite/ext/new_allocator/check_new.cc: Likewise.
1517 2019-07-22 Jonathan Wakely <jwakely@redhat.com>
1519 * testsuite/26_numerics/bit/bitops.count/*: Rename to ...
1520 * testsuite/26_numerics/bit/bit.count/*: Here.
1522 * include/std/bit (__rotl, __rotr): Change second parameter from
1523 unsigned int to int and handle negative values.
1524 (rotl, rotr): Remove check for __STRICT_ANSI__. Change second
1525 parameter from unsigned int to int. Add nodiscard attribute.
1526 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Rename to ...
1527 * testsuite/26_numerics/bit/bit.rotate/rotl.cc: Here. Test negative
1529 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Rename to ...
1530 * testsuite/26_numerics/bit/bit.rotate/rotr.cc: Here. Test negative
1533 * include/std/bit (__ceil2): Make unrepresentable results undefined,
1534 as per P1355R2. Add debug assertion. Perform one left shift, not two,
1535 so that out of range values cause undefined behaviour. Ensure that
1536 shift will still be undefined if left operand is promoted.
1537 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Replace checks for
1538 unrepresentable values with checks that they are not core constant
1540 * testsuite/26_numerics/bit/bit.pow.two/ceil2_neg.cc: New test.
1542 2019-07-19 François Dumont <fdumont@gcc.gnu.org>
1544 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): Fix
1545 sized deallocation size computation.
1547 2019-07-19 Andreas Schwab <schwab@linux-m68k.org>
1549 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
1551 2019-07-18 François Dumont <fdumont@gcc.gnu.org>
1553 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): New.
1554 (~_Temporary_buffer()): Use latter.
1555 (_Temporary_buffer(_FIterator, size_type)): Likewise.
1557 2019-07-17 Andreas Schwab <schwab@suse.de>
1559 * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
1561 2019-07-16 Jason Merrill <jason@redhat.com>
1563 * include/std/memory (uses_allocator_construction_args): Add parens
1566 2019-07-12 Jonathan Wakely <jwakely@redhat.com>
1568 * testsuite/29_atomics/atomic_float/1.cc: Fix comment.
1570 * include/experimental/string_view (__detail::__idt): Remove.
1571 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1572 Use __type_identity_t instead of __detail::__idt;
1573 * include/std/string_view (__detail::__idt): Remove.
1574 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1575 Use __type_identity_t instead of __detail::__idt;
1576 * include/std/type_traits (__type_identity_t): New alias template.
1578 * doc/xml/manual/status_cxx2020.xml: Update status for atomic_ref
1579 and floating point atomics.
1581 2019-07-11 Jonathan Wakely <jwakely@redhat.com>
1583 * doc/xml/manual/configure.xml: Improve documentation of
1584 --enable-libstdcxx-time option.
1586 * include/bits/atomic_base.h (__atomic_impl): New namespace for
1587 wrappers around atomic built-ins.
1588 (__atomic_float, __atomic_ref): New class templates for use as base
1590 * include/std/atomic (atomic<float>, atomic<double>)
1591 (atomic<long double>): New explicit specializations.
1592 (atomic_ref): New class template.
1593 (__cpp_lib_atomic_ref): Define.
1594 * include/std/version (__cpp_lib_atomic_ref): Define.
1595 * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error.
1596 * testsuite/29_atomics/atomic_float/1.cc: New test.
1597 * testsuite/29_atomics/atomic_float/requirements.cc: New test.
1598 * testsuite/29_atomics/atomic_ref/deduction.cc: New test.
1599 * testsuite/29_atomics/atomic_ref/float.cc: New test.
1600 * testsuite/29_atomics/atomic_ref/generic.cc: New test.
1601 * testsuite/29_atomics/atomic_ref/integral.cc: New test.
1602 * testsuite/29_atomics/atomic_ref/pointer.cc: New test.
1603 * testsuite/29_atomics/atomic_ref/requirements.cc: New test.
1605 2019-07-06 Jonathan Wakely <jwakely@redhat.com>
1607 * include/ext/atomicity.h (__exchange_and_add, __atomic_add): Replace
1608 throw() with _GLIBCXX_NOTHROW.
1609 (__atomic_add_dispatch): Return after performing atomic increment.
1611 2019-07-05 Jonathan Wakely <jwakely@redhat.com>
1613 * include/ext/atomicity.h [_GLIBCXX_ATOMIC_BUILTINS] (__atomic_add)
1614 (__exchange_and_add): Replace static specifier with always_inline
1616 (__exchange_and_add_single, __atomic_add_single): Likewise.
1617 (__exchange_and_add_dispatch, __atomic_add_dispatch): Likewise. Also
1618 combine !__gthread_active_p() and !__GTHREADS branches.
1620 2019-07-03 Jonathan Wakely <jwakely@redhat.com>
1623 * acinclude.m4 (libtool_VERSION): Bump to 6:27:0.
1624 * configure: Regenerate.
1625 * config/abi/pre/gnu.ver (GLIBCXX_3.4.27): Add new version. Export
1627 * testsuite/27_io/filesystem/iterators/91067.cc: New test.
1628 * testsuite/util/testsuite_abi.cc: Add new symbol version.
1630 2019-07-02 Jonathan Wakely <jwakely@redhat.com>
1632 * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_LAUNDER)
1633 (_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED): Use __has_builtin
1634 instead of __is_identifier to detect Clang support.
1636 2019-07-02 Jim Wilson <jimw@sifive.com>
1638 * configure.ac (BUILD_PDF): Also test for doxygen, dot, xsltproc,
1640 * configure: Regenerate.
1642 2019-06-27 Jonathan Wakely <jwakely@redhat.com>
1645 * src/c++17/fs_path.cc (filesystem_error::_Impl): Use a string_view
1646 for the what_arg parameters.
1647 (filesystem_error::filesystem_error): Pass system_error::what() to
1648 the _Impl constructor.
1649 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Ensure that
1650 filesystem_error::what() contains system_error::what().
1652 2019-06-26 Jonathan Wakely <jwakely@redhat.com>
1654 * include/std/charconv (chars_format): Define bitmask type.
1655 * testsuite/20_util/to_chars/chars_format.cc: New test.
1657 * include/bits/fs_path.h (path::__is_encoded_char): Use __is_one_of.
1658 * include/std/bit (_If_is_unsigned_integer_type): Remove.
1659 (_If_is_unsigned_integer): Use __is_unsigned_integer.
1660 (rotl(byte, unsigned), rotr(byte, unsigned), countl_zero(byte))
1661 (countl_one(byte), countr_zero(byte), countr_one(byte))
1662 (popcount(byte), ispow2(byte), ceil2(byte), floor2(byte))
1663 (log2p1(byte)): Remove.
1664 * include/std/charconv (__detail::__is_one_of): Move to <type_traits>.
1665 (__detail::__is_int_to_chars_type): Remove.
1666 (__detail::__integer_to_chars_result_type): Use __is_signed_integer
1667 and __is_unsigned_integer.
1668 * include/std/type_traits (__is_one_of): Move here from <charconv>.
1669 (__is_signed_integer, __is_unsigned_integer): New helpers.
1670 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Remove test for
1672 * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: Likewise.
1673 * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: Likewise.
1674 * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: Likewise.
1675 * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Likewise.
1676 * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
1677 * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
1678 * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
1679 * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
1680 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Likewise.
1681 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Likewise.
1683 2019-06-25 Jonathan Wakely <jwakely@redhat.com>
1685 * include/std/numeric (midpoint(T, T)): Avoid std::abs in constexpr
1688 2019-06-25 Jakub Jelinek <jakub@redhat.com>
1690 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
1691 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
1692 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
1693 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
1695 2019-06-24 Jonathan Wakely <jwakely@redhat.com>
1697 * include/std/numeric (midpoint(T, T)): Change implementation for
1698 floating-point types to avoid incorrect rounding of denormals.
1699 * testsuite/26_numerics/midpoint/floating.cc: Add check for correct
1700 rounding with denormals.
1701 * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line numbers.
1702 * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
1704 * testsuite/18_support/headers/cfloat/values_c++17.cc: New test.
1706 2019-06-20 Jonathan Wakely <jwakely@redhat.com>
1708 * acinclude.m4 (GLIBCXX_ENABLE_DEBUG): Only do debug build for final
1710 * configure: Regenerate.
1712 * include/std/variant (_Variant_storage, _Extra_visit_slot_needed):
1713 Qualify calls to __never_valueless.
1715 * doc/xml/manual/status_cxx2017.xml: Fix outdated reference to
1716 C++17 working draft.
1718 * testsuite/libstdc++-prettyprinters/simple.cc: Use non-palindromic
1719 vector<bool> for test.
1720 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1722 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
1724 * include/bits/stream_iterator.h (istream_iterator::_M_equal()): Make
1726 (istream_iterator::_M_read()): Do not check stream state before
1727 attempting extraction. Set stream pointer to null when extraction
1729 (operator==(const istream_iterator&, const istream_iterator&)): Change
1730 to be a hidden friend of istream_iterator.
1731 (operator!=(const istream_iterator&, const istream_iterator&)):
1733 (ostream_iterator::ostream_iterator()): Add default constructor.
1734 (ostream_iterator::ostream_iterator(ostream_type*, const C*)): Use
1736 * testsuite/24_iterators/istream_iterator/1.cc: New test.
1737 * testsuite/24_iterators/ostream_iterator/1.cc: New test.
1738 * testsuite/24_iterators/ostream_iterator/70766.cc: Also check
1739 constructor taking a string.
1740 * testsuite/24_iterators/ostream_iterator/requirements/constexpr.cc:
1743 2019-06-19 Michael Weghorn <m.weghorn@posteo.de>
1744 Jonathan Wakely <jwakely@redhat.com>
1747 * python/libstdcxx/v6/printers.py (StdVectorPrinter._iterator): Use
1748 values of type bool for vector<bool> elements.
1749 * testsuite/libstdc++-prettyprinters/simple.cc: Test vector<bool>.
1750 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1752 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
1754 PR libstdc++/90920 partially revert r263433
1755 * include/bits/stl_algo.h (__rotate): Restore checks for empty ranges.
1756 (rotate): Remove checks.
1757 * testsuite/25_algorithms/rotate/90920.cc: New test.
1759 * include/std/numeric (reduce(Iter, Iter, T, BinOp)): Fix value
1760 category used in invocable check.
1761 (reduce(Iter, Iter, T)): Pass initial value as rvalue.
1762 * testsuite/26_numerics/reduce/2.cc: New test.
1764 2019-06-18 Jonathan Wakely <jwakely@redhat.com>
1766 * include/bits/algorithmfwd.h: Change title of doc group.
1767 * include/bits/stl_algo.h (for_each_n): Add new C++17 algorithm from
1769 * include/bits/stl_numeric.h: Define doc group and add algos to it.
1770 * include/std/numeric (__is_random_access_iter): New internal trait.
1771 (reduce, transform_reduce, exclusive_scan, inclusive_scan)
1772 (transform_exclusive_scan, transform_inclusive_scan): Likewise.
1773 * testsuite/25_algorithms/for_each/for_each_n.cc: New test.
1774 * testsuite/26_numerics/exclusive_scan/1.cc: New test.
1775 * testsuite/26_numerics/inclusive_scan/1.cc: New test.
1776 * testsuite/26_numerics/reduce/1.cc: New test.
1777 * testsuite/26_numerics/transform_exclusive_scan/1.cc: New test.
1778 * testsuite/26_numerics/transform_inclusive_scan/1.cc: New test.
1779 * testsuite/26_numerics/transform_reduce/1.cc: New test.
1780 * testsuite/util/testsuite_iterators.h (test_container::size()): New
1783 * include/c_global/cstddef (std::byte): Perform arithmetic operations
1784 in unsigned int to avoid promotion (LWG 2950).
1786 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1788 * testsuite/20_util/allocator/1.cc: Add sized delete, which fixes a
1791 * include/c_global/cmath (__lerp, lerp): Add noexcept (LWG 3201).
1793 PR libstdc++/90281 Fix string conversions for filesystem::path
1794 * include/bits/fs_path.h (u8path) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
1795 Use codecvt_utf8_utf16 instead of codecvt_utf8. Use
1796 __str_codecvt_in_all to fail for partial conversions and throw on
1798 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS && _GLIBCXX_USE_CHAR8_T]
1799 (path::_Cvt<char8_t>): Add explicit specialization.
1800 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Remove
1802 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1803 if-constexpr instead of dispatching to _S_wconvert. Use codecvt
1804 instead of codecvt_utf8. Use __str_codecvt_in_all and
1805 __str_codecvt_out_all.
1806 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1807 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1808 (path::_S_str_convert) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1809 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1810 with allocator. Use __str_codecvt_out_all. Fallthrough to POSIX code
1811 after converting to UTF-8.
1812 (path::_S_str_convert): Use codecvt instead of codecvt_utf8. Use
1813 __str_codecvt_in_all.
1814 (path::string): Fix initialization of string types with different
1816 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1817 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1818 * include/bits/locale_conv.h (__do_str_codecvt): Reorder static and
1820 (__str_codecvt_out_all, __str_codecvt_in_all): New functions that
1821 return false for partial conversions.
1822 * include/experimental/bits/fs_path.h (u8path):
1823 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Implement correctly for mingw.
1824 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Add
1825 missing handling for char8_t. Use codecvt and codecvt_utf8_utf16
1826 instead of codecvt_utf8. Use __str_codecvt_in_all and
1827 __str_codecvt_out_all.
1828 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1829 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1830 (path::string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1831 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1832 with allocator. Use __str_codecvt_out_all and __str_codecvt_in_all.
1833 (path::string) [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1834 __str_codecvt_in_all.
1835 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1836 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1837 * src/c++17/fs_path.cc (path::_S_convert_loc): Use
1838 __str_codecvt_in_all.
1839 * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
1840 * testsuite/27_io/filesystem/path/construct/90281.cc: New test.
1841 * testsuite/27_io/filesystem/path/factory/u8path.cc: New test.
1842 * testsuite/27_io/filesystem/path/native/string.cc: Test with empty
1843 strings and with Unicode characters outside the basic multilingual
1845 * testsuite/27_io/filesystem/path/native/alloc.cc: New test.
1846 * testsuite/experimental/filesystem/path/construct/90281.cc: New test.
1847 * testsuite/experimental/filesystem/path/factory/u8path.cc: New test.
1848 * testsuite/experimental/filesystem/path/native/alloc.cc: New test.
1849 * testsuite/experimental/filesystem/path/native/string.cc: Test with
1850 empty strings and with Unicode characters outside the basic
1853 2019-06-17 François Dumont <fdumont@gcc.gnu.org>
1854 Jonathan Wakely <jwakely@redhat.com>
1856 * include/bits/hashtable.h (struct _Hashtable::_Scoped_node): New type.
1857 (_Hashtable::_M_insert_unique_node): Add key_type parameter. Don't
1858 deallocate node if insertion fails.
1859 (_Hashtable::_M_insert_multi_node): Likewise.
1860 (_Hashtable::_M_reinsert_node): Pass additional key argument.
1861 (_Hashtable::_M_reinsert_node_multi): Likewise. Remove FIXME.
1862 (_Hashtable::_M_extract_node(size_t, __node_base*)): New function.
1863 (_Hashtable::extract(const_iterator)): Use _M_extract_node.
1864 (_Hashtable::extract(const _Key&)): Likewise.
1865 (_Hashtable::_M_merge_unique): Pass additional key argument.
1866 (_Hashtable::_M_emplace<Args>(true_type, Args&&...)): Likewise. Use
1868 (_Hashtable::_M_insert): Likewise.
1869 * include/bits/hashtable_policy.h (_Map_base::operator[]): Likewise.
1870 (_Hashtable_alloc): Add comments to functions with misleading names.
1872 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1874 * testsuite/20_util/bad_function_call/what.cc: Include <string> header
1876 * testsuite/20_util/shared_ptr/cons/weak_ptr_expired.cc: Likewise.
1877 * testsuite/20_util/tuple/cons/allocator_with_any.cc: Include <memory>
1878 header for std::allocator.
1879 * testsuite/23_containers/array/tuple_interface/tuple_element.cc: Add
1880 using-declaration for std::size_t.
1881 * testsuite/23_containers/array/tuple_interface/tuple_size.cc:
1883 * testsuite/23_containers/deque/cons/55977.cc: Include <istream> for
1885 * testsuite/23_containers/vector/cons/55977.cc: Likewise.
1886 * testsuite/experimental/map/erasure.cc: Include <string> for
1888 * testsuite/experimental/unordered_map/erasure.cc: Likewise.
1890 2019-06-14 Jonathan Wakely <jwakely@redhat.com>
1892 * include/experimental/type_traits (experimental::nonesuch): Use
1893 pragma to disable -Wctor-dtor-privacy warnings.
1894 * include/std/type_traits (__is_convertible_helper<From, To, false>)
1895 (__is_nt_convertible_helper<From, To, false>, __nonesuch): Likewise.
1897 * include/std/version (__cpp_lib_bind_front): Add missing macro.
1899 2019-06-12 Jonathan Wakely <jwakely@redhat.com>
1901 * include/std/algorithm (__cpp_lib_parallel_algorithm): Fix value.
1902 * include/std/memory (__cpp_lib_parallel_algorithm): Likewise.
1903 * include/std/numeric (__cpp_lib_parallel_algorithm): Likewise.
1904 * testsuite/25_algorithms/pstl/feature_test.cc: New test.
1906 * include/std/variant (get<T>, get<N>, get_if<N>, get_if<T>)
1907 (variant::emplace): Change static_assert messages from "should be"
1909 (hash<monostate>::operator()): Remove name of unused parameter.
1911 * include/std/mutex (scoped_lock::~scoped_lock()): Use fold
1914 * include/Makefile.am: Add new <bits/charconv.h> header.
1915 * include/Makefile.in: Regenerate.
1916 * include/bits/basic_string.h (to_string(int), to_string(unsigned))
1917 (to_string(long), to_string(unsigned long), to_string(long long))
1918 (to_string(unsigned long long)): Rewrite to use __to_chars_10_impl.
1919 * include/bits/charconv.h: New header.
1920 (__detail::__to_chars_len): Move here from <charconv>.
1921 (__detail::__to_chars_10_impl): New function extracted from
1922 __detail::__to_chars_10.
1923 * include/std/charconv (__cpp_lib_to_chars): Add, but comment out.
1924 (__to_chars_unsigned_type): New class template that reuses
1925 __make_unsigned_selector_base::__select to pick a type.
1926 (__unsigned_least_t): Redefine as __to_chars_unsigned_type<T>::type.
1927 (__detail::__to_chars_len): Move to new header.
1928 (__detail::__to_chars_10): Add inline specifier. Move code doing the
1929 output to __detail::__to_chars_10_impl and call that.
1930 * include/std/version (__cpp_lib_to_chars): Add, but comment out.
1931 * testsuite/21_strings/basic_string/numeric_conversions/char/
1932 to_string.cc: Fix reference in comment. Remove unused variable.
1933 * testsuite/21_strings/basic_string/numeric_conversions/char/
1934 to_string_int.cc: New test.
1936 2019-06-09 Edward Smith-Rowland <3dw4rd@verizon.net>
1938 Fix ConstexprIterator requirements tests - No constexpr algorithms!
1939 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
1940 Replace copy with hand-rolled loop.
1941 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
1944 2019-06-08 Edward Smith-Rowland <3dw4rd@verizon.net>
1946 Test for C++20 p0858 - ConstexprIterator requirements.
1947 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
1949 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
1952 2019-06-07 Thomas Rodgers <trodgers@redhat.com>
1954 Rename PSTL macro's consistent with libstdc++ (and llvm upstream
1956 * include/bits/c++config: Rename all macros of the form __PSTL* to
1958 * include/std/algorithm: Likewise.
1959 * include/std/execution: Likewise.
1960 * include/std/numeric: Likewise.
1961 * include/std/memory: Likewise.
1962 * include/pstl/glue_memory_impl.h: Likewise.
1963 * include/pstl/numeric_impl.h: Likewise.
1964 * include/pstl/glue_memory_defs.h: Likewise.
1965 * include/pstl/execution_defs.h: Likewise.
1966 * include/pstl/utils.h: Likewise.
1967 * include/pstl/algorithm_fwd.h: Likewise.
1968 * include/pstl/unseq_backend_simd.h: Likewise.
1969 * include/pstl/glue_execution_defs.h: Likewise.
1970 * include/pstl/algorithm_impl.h: Likewise.
1971 * include/pstl/parallel_impl.h: Likewise.
1972 * include/pstl/memory_impl.h: Likewise.
1973 * include/pstl/glue_numeric_defs.h: Likewise.
1974 * include/pstl/parallel_backend_utils.h: Likewise.
1975 * include/pstl/glue_algorithm_defs.h: Likewise.
1976 * include/pstl/parallel_backend.h: Likewise.
1977 * include/pstl/glue_numeric_impl.h: Likewise.
1978 * include/pstl/parallel_backend_tbb.h: Likewise.
1979 * include/pstl/numeric_fwd.h: Likewise.
1980 * include/pstl/glue_algorithm_impl.h: Likewise.
1981 * include/pstl/execution_impl.h: Likewise.
1982 * include/pstl/pstl_config.h: Likewise.
1983 * testsuite/util/pstl/pstl_test_config.h: Likewise.
1984 * testsuite/util/pstl/test_utils.h: Likewise.
1985 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
1987 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
1989 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
1991 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: Likewise.
1992 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: Likewise.
1993 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: Likewise.
1994 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: Likewise.
1995 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
1997 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: Likewise.
1998 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: Likewise.
1999 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: Likewise.
2000 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: Likewise.
2001 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
2003 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: Likewise.
2004 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: Likewise.
2005 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: Likewise.
2006 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: Likewise.
2007 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
2009 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: Likewise.
2010 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: Likewise.
2011 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
2013 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
2015 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: Likewise.
2016 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
2017 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
2019 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
2021 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
2023 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
2025 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
2027 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
2029 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
2031 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
2033 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
2035 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
2037 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
2039 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: Likewise.
2041 Rename header guards to be consistent with upstream project's
2043 * include/pstl/glue_memory_impl.h: Rename all macros of the form
2044 _PSTL_(.*)_H to _PSTL_\U\1_H.
2045 * include/pstl/numeric_impl.h: Likewise.
2046 * include/pstl/glue_memory_defs.h: Likewise.
2047 * include/pstl/execution_defs.h: Likewise.
2048 * include/pstl/utils.h: Likewise.
2049 * include/pstl/algorithm_fwd.h: Likewise.
2050 * include/pstl/unseq_backend_simd.h: Likewise.
2051 * include/pstl/glue_execution_defs.h: Likewise.
2052 * include/pstl/algorithm_impl.h: Likewise.
2053 * include/pstl/parallel_impl.h: Likewise.
2054 * include/pstl/memory_impl.h: Likewise.
2055 * include/pstl/glue_numeric_defs.h: Likewise.
2056 * include/pstl/parallel_backend_utils.h: Likewise.
2057 * include/pstl/glue_algorithm_defs.h: Likewise.
2058 * include/pstl/parallel_backend.h: Likewise.
2059 * include/pstl/glue_numeric_impl.h: Likewise.
2060 * include/pstl/parallel_backend_tbb.h: Likewise.
2061 * include/pstl/numeric_fwd.h: Likewise.
2062 * include/pstl/glue_algorithm_impl.h: Likewise.
2063 * include/pstl/execution_impl.h: Likewise.
2064 * include/pstl/pstl_config.h: Likewise.
2065 * testsuite/util/pstl/pstl_test_config.h: Likewise.
2067 Synchronize libstdc++ parallel algorithms with upstream
2069 * include/pstl/algorithm_fwd.h: Synchronize with
2070 upstream PSTL project.
2071 * include/pstl/algorithm_impl.h: Likewise.
2072 * include/pstl/execution_defs.h: Likewise.
2073 * include/pstl/execution_impl.h: Likewise.
2074 * include/pstl/glue_algorithm_impl.h: Likewise.
2075 * include/pstl/glue_execution_defs.h: Likewise.
2076 * include/pstl/numeric_fwd.h: Likewise.
2077 * include/pstl/numeric_impl.h: Likewise.
2078 * include/pstl/parallel_backend.h: Likewise.
2079 * include/pstl/pstl_config.h: Likewise.
2080 * include/pstl/unseq_backend_simd.h: Likewise.
2081 * include/pstl/parallel_backend_serial.h: New file.
2082 * include/Makefile.am (pstl_headers): Add
2083 parallel_backend_serial.h.
2084 * include/Makefile.in: Regenerate.
2086 Clean up non-conforming names
2087 * include/pstl/algorithm_impl.h (__parallel_set_union_op):
2088 Uglfiy copy_range1 and copy_range2
2089 (__pattern_walk2_n): Rename local n to __n
2090 * include/pstl/parallel_backend_tbb.h (struct __binary_no_op):
2091 Rename parameter _T to _Tp.
2093 Integrate non-TBB serial backend support
2094 * include/bits/c++config: Adjust TBB detection logic to select serial
2095 PSTL backend if no TBB present.
2096 * testsuite/utils/pstl/test_utils.h: Remove check for
2097 _PSTL_USE_PAR_POLICIES
2099 2019-06-07 Jonathan Wakely <jwakely@redhat.com>
2101 * testsuite/24_iterators/container_access.cc: Move dg-options before
2102 dg-do directive so the target check uses the -std option.
2105 * configure: Regenerate.
2106 * src/Makefile.am (stamp-debug): Also test for missing makefile.
2107 * src/Makefile.in: Regenerate.
2109 2019-06-06 Jonathan Wakely <jwakely@redhat.com>
2111 * include/std/array: Do not include <stdexcept>.
2112 * include/std/optional: Include <exception> and
2113 <bits/exception_defines.h> instead of <stdexcept>.
2114 * testsuite/20_util/function_objects/searchers.cc: Include <cctype>
2116 * testsuite/20_util/tuple/cons/deduction.cc: Include <memory> for
2118 * testsuite/23_containers/map/erasure.cc: Include <string>.
2119 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
2121 * testsuite/23_containers/deque/requirements/dr438/assign_neg.cc: Add
2122 dg-prune-output for different C++98 diagnostic.
2123 * testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc:
2125 * testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc:
2127 * testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
2129 * testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
2131 * testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
2133 * testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc:
2135 * testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
2137 * testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
2139 * testsuite/23_containers/vector/requirements/dr438/
2140 constructor_1_neg.cc: Likewise.
2141 * testsuite/23_containers/vector/requirements/dr438/
2142 constructor_2_neg.cc: Likewise.
2143 * testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
2145 * testsuite/libstdc++-prettyprinters/compat.cc: Do not run for C++98.
2147 * testsuite/23_containers/unordered_map/requirements/debug_container.cc:
2148 Do not test allocator rebinding extension for C++2a.
2149 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
2150 dg-do directive for C++17 and C++2a.
2152 * testsuite/23_containers/deque/requirements/explicit_instantiation/
2153 1_c++0x.cc: Remove redundant test.
2154 * testsuite/23_containers/deque/requirements/explicit_instantiation/
2155 2.cc: Use target selector instead of preprocessor condition.
2156 * testsuite/23_containers/deque/requirements/explicit_instantiation/
2157 3.cc: Do not run test for C++2a.
2158 * testsuite/23_containers/forward_list/requirements/
2159 explicit_instantiation/3.cc: Likewise.
2160 * testsuite/23_containers/forward_list/requirements/
2161 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2163 * testsuite/23_containers/list/requirements/explicit_instantiation/
2164 1_c++0x.cc: Remove redundant test.
2165 * testsuite/23_containers/list/requirements/explicit_instantiation/
2166 2.cc: Use target selector instead of preprocessor condition.
2167 * testsuite/23_containers/list/requirements/explicit_instantiation/
2168 3.cc: Do not run test for C++2a.
2169 * testsuite/23_containers/list/requirements/explicit_instantiation/
2170 5.cc: Do not test allocator rebinding extension for C++2a.
2171 * testsuite/23_containers/map/requirements/explicit_instantiation/
2172 1_c++0x.cc: Remove redundant test.
2173 * testsuite/23_containers/map/requirements/explicit_instantiation/
2174 2.cc: Adjust comment.
2175 * testsuite/23_containers/map/requirements/explicit_instantiation/
2176 3.cc: Do not run test for C++2a.
2177 * testsuite/23_containers/map/requirements/explicit_instantiation/
2178 5.cc: Do not test allocator rebinding extension for C++2a.
2179 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
2180 1_c++0x.cc: Remove redundant test.
2181 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
2182 3.cc: Do not run test for C++2a.
2183 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
2184 5.cc: Do not test allocator rebinding extension for C++2a.
2185 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
2186 3.cc: Do not run test for C++2a.
2187 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
2188 5.cc: Do not test allocator rebinding extension for C++2a.
2189 * testsuite/23_containers/set/requirements/explicit_instantiation/3.cc:
2190 Do not run test for C++2a.
2191 * testsuite/23_containers/set/requirements/explicit_instantiation/
2192 1_c++0x.cc: Remove redundant test.
2193 * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc:
2194 Do not test allocator rebinding extension for C++2a.
2195 * testsuite/23_containers/unordered_map/requirements/
2196 explicit_instantiation/3.cc: Likewise.
2197 * testsuite/23_containers/unordered_map/requirements/
2198 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2200 * testsuite/23_containers/unordered_multimap/requirements/
2201 explicit_instantiation/3.cc: Do not run test for C++2a.
2202 * testsuite/23_containers/unordered_multimap/requirements/
2203 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2205 * testsuite/23_containers/unordered_multiset/requirements/
2206 explicit_instantiation/3.cc: Do not run test for C++2a.
2207 * testsuite/23_containers/unordered_multiset/requirements/
2208 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2210 * testsuite/23_containers/unordered_set/requirements/
2211 explicit_instantiation/3.cc: Do not run test for C++2a.
2212 * testsuite/23_containers/unordered_set/requirements/
2213 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2215 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
2216 2.cc: Remove redundant test.
2217 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
2218 3.cc: Do not run test for C++2a.
2219 * testsuite/23_containers/vector/requirements/explicit_instantiation/
2222 * include/std/type_traits (is_empty, is_polymorphic, is_final)
2223 (is_abstract, is_aggregate): Remove static_assert.
2224 * testsuite/20_util/is_abstract/incomplete_neg.cc: Check for error
2226 * testsuite/20_util/is_aggregate/incomplete_neg.cc: Likewise. Add
2227 missing -std=gnu++17 option.
2228 * testsuite/20_util/is_empty/incomplete_neg.cc: New test.
2229 * testsuite/20_util/is_final/incomplete_neg.cc: New test.
2230 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: Check for error
2233 * testsuite/18_support/set_terminate.cc: Do not run for C++98 mode.
2234 * testsuite/18_support/set_unexpected.cc: Likewise.
2235 * testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
2237 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix constexpr
2238 function to be valid in C++11.
2239 * testsuite/26_numerics/complex/proj.cc: Do not run for C++98 mode.
2240 * testsuite/experimental/names.cc: Do not run for C++98 mode. Do not
2241 include Library Fundamentals or Networking headers in C++11 mode.
2242 * testsuite/ext/char8_t/atomic-1.cc: Do not run for C++98 mode.
2244 * include/std/tuple (_TC): Replace with _TupleConstraints.
2245 (_TupleConstraints): New helper for SFINAE constraints, with more
2246 expressive member functions to reduce duplication when used.
2247 (tuple::_TC2, tuple::_TMC, tuple::_TNTC): Remove.
2248 (tuple::_TCC): Replace dummy type parameter with bool non-type
2249 parameter that can be used to check the pack size.
2250 (tuple::_ImplicitDefaultCtor, tuple::_ExplicitDefaultCtor)
2251 (tuple::_ImplicitCtor, tuple::_ExplicitCtor): New alias templates for
2252 checking constraints in constructors.
2253 (tuple::__valid_args, tuple::_UseOtherCtor, tuple::__use_other_ctor):
2255 (tuple::tuple): Use new helpers to reduce repitition in constraints.
2256 (tuple::tuple(allocator_arg_t, const Alloc&)): Constrain.
2257 (tuple<T1, T2>::_TCC, tuple<T1, T2>::_ImplicitDefaultCtor)
2258 (tuple<T1, T2>::_ExplicitDefaultCtor, tuple<T1, T2>::_ImplicitCtor)
2259 (tuple<T1, T2>::_ExplicitCtor): New alias templates for checking
2260 constraints in constructors.
2261 (tuple::__is_alloc_arg()): New SFINAE helpers.
2262 (tuple<T1, T2>::tuple): Use new helpers to reduce repitition in
2264 (tuple<T1, T2>::tuple(allocator_arg_t, const Alloc&)): Constrain.
2265 * testsuite/20_util/tuple/cons/90700.cc: New test.
2266 * testsuite/20_util/tuple/cons/allocators.cc: Add default constructor
2267 to meet new constraint on allocator-extended default constructor.
2269 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
2271 * include/bits/stl_map.h (map): Disable static assert for C++98 mode.
2272 * include/bits/stl_multimap.h (multimap): Likewise.
2274 2019-06-03 François Dumont <fdumont@gcc.gnu.org>
2276 Rename variables and cleanup comments.
2277 * include/bits/hashtable_policy.h
2278 * include/bits/hashtable.h
2280 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
2282 * doc/xml/manual/status_cxx2020.xml: Add missing row for P0920R2.
2283 Fix bgcolor for P0340R3.
2284 * doc/html/*: Regenerate.
2287 * doc/xml/manual/status_cxx2014.xml: Document what's missing from
2288 <experimental/memory_resource>.
2289 * doc/xml/manual/status_cxx2020.xml: Document status of P1285R0,
2290 P0339R6, P0340R3, P1164R1 and P1357R1.
2291 * doc/html/*: Regenerate.
2293 * doc/xml/manual/status_cxx2020.xml: Document P1463R1 status.
2294 * include/bits/forward_list.h [__cplusplus > 201703]: Enable
2295 allocator::value_type assertion for C++2a.
2296 * include/bits/hashtable.h: Likewise.
2297 * include/bits/stl_deque.h: Likewise.
2298 * include/bits/stl_list.h: Likewise.
2299 * include/bits/stl_map.h: Likewise.
2300 * include/bits/stl_multimap.h: Likewise.
2301 * include/bits/stl_multiset.h: Likewise.
2302 * include/bits/stl_set.h: Likewise.
2303 * include/bits/stl_vector.h: Likewise.
2304 * testsuite/23_containers/deque/48101-3_neg.cc: New test.
2305 * testsuite/23_containers/forward_list/48101-3_neg.cc: New test.
2306 * testsuite/23_containers/list/48101-3_neg.cc: New test.
2307 * testsuite/23_containers/map/48101-3_neg.cc: New test.
2308 * testsuite/23_containers/multimap/48101-3_neg.cc: New test.
2309 * testsuite/23_containers/multiset/48101-3_neg.cc: New test.
2310 * testsuite/23_containers/set/48101-3_neg.cc: New test.
2311 * testsuite/23_containers/unordered_map/48101-3_neg.cc: New test.
2312 * testsuite/23_containers/unordered_multimap/48101-3_neg.cc: New test.
2313 * testsuite/23_containers/unordered_multiset/48101-3_neg.cc: New test.
2314 * testsuite/23_containers/unordered_set/48101-3_neg.cc: New test.
2315 * testsuite/23_containers/vector/48101-3_neg.cc: New test.
2317 2019-05-31 Gerald Pfeifer <gerald@pfeifer.com>
2319 * doc/xml/manual/allocator.xml: Move hoard.org back to http.
2321 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2323 * include/std/tuple (tuple<>): Add noexcept to allocator-extended
2325 (tuple<T1, T2>::__nothrow_default_constructible()): New helper
2327 (tuple<T1, T2>::tuple(), explicit tuple<T1, T2>::tuple()): Use helper.
2329 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2331 * src/c++98/bitmap_allocator.cc: Add using-declaration for size_t.
2334 * libsupc++/eh_term_handler.cc: Include eh_term_handler.h to get
2335 definition of _GLIBCXX_DEFAULT_TERM_HANDLER.
2336 * libsupc++/eh_term_handler.h: New header defining
2337 _GLIBCXX_DEFAULT_TERM_HANDLER.
2338 * libsupc++/eh_terminate.cc: Include eh_term_handler.h.
2339 (set_terminate): Restore default handler when argument is null.
2340 (set_unexpected): Likewise.
2341 * testsuite/18_support/set_terminate.cc: New test.
2342 * testsuite/18_support/set_unexpected.cc: New test.
2344 * include/backward/hashtable.h (size_t, ptrdiff_t)
2345 (forward_iterator_tag, input_iterator_tag, _Construct, _Destroy)
2346 (distance, vector, pair, __iterator_category): Remove
2347 using-declarations that add these names to namespace __gnu_cxx.
2348 * include/ext/bitmap_allocator.h (size_t, ptrdiff_t): Likewise.
2349 * include/ext/debug_allocator.h (size_t): Likewise.
2350 * include/ext/functional (size_t, unary_function, binary_function)
2351 (mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t, const_mem_fun1_ref_t):
2353 * include/ext/malloc_allocator.h (size_t, ptrdiff_t): Likewise.
2354 * include/ext/memory (ptrdiff_t, pair, __iterator_category): Likewise.
2355 * include/ext/mt_allocator.h (size_t, ptrdiff_t): Likewise.
2356 * include/ext/new_allocator.h (size_t, ptrdiff_t): Likewise.
2357 * include/ext/numeric (iota): Fix outdated comment.
2358 * include/ext/pool_allocator.h (size_t, ptrdiff_t): Likewise.
2359 * include/ext/rb_tree (_Rb_tree, allocator): Likewise.
2360 * include/ext/rope (size_t, ptrdiff_t, allocator, _Destroy): Likewise.
2361 * include/ext/ropeimpl.h (size_t, printf, basic_ostream)
2362 (__throw_length_error, _Destroy, std::__uninitialized_fill_n_a):
2364 * include/ext/slist (size_t, ptrdiff_t, _Construct, _Destroy)
2365 (allocator, __true_type, __false_type): Likewise.
2367 2019-05-31 Antony Polukhin <antoshkka@gmail.com>
2370 * include/std/type_traits __type_identity, __is_complete_or_unbounded):
2371 New helpers for checking preconditions in traits.
2372 (is_trivial, is_trivially_copyable, is_standard_layout, is_pod)
2373 (is_literal_type, is_empty, is_polymorphic, is_final, is_abstract)
2374 (is_destructible, is_nothrow_destructible, is_constructible)
2375 (is_default_constructible, is_copy_constructible)
2376 (is_move_constructible, is_nothrow_default_constructible)
2377 (is_nothrow_constructible, is_nothrow_copy_constructible)
2378 (is_nothrow_move_constructible, is_copy_assignable, is_move_assignable)
2379 (is_nothrow_assignable, is_nothrow_copy_assignable)
2380 (is_nothrow_move_assignable, is_trivially_constructible)
2381 (is_trivially_copy_constructible, is_trivially_move_constructible)
2382 is_trivially_assignable, is_trivially_copy_assignable)
2383 (is_trivially_move_assignable, is_trivially_destructible)
2384 (alignment_of, is_swappable, is_nothrow_swappable, is_invocable)
2385 (is_invocable_r, is_nothrow_invocable)
2386 (has_unique_object_representations, is_aggregate): Add static_asserts
2387 to make sure that type traits are not misused with incomplete types.
2388 (__is_constructible_impl, __is_nothrow_default_constructible_impl)
2389 (__is_nothrow_constructible_impl, __is_nothrow_assignable_impl): New
2390 base characteristics without assertions that can be reused in other
2392 * testsuite/20_util/is_complete_or_unbounded/memoization.cc: New test.
2393 * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc: New
2395 * testsuite/20_util/is_complete_or_unbounded/value.cc: New test.
2396 * testsuite/20_util/is_abstract/incomplete_neg.cc: New test.
2397 * testsuite/20_util/is_aggregate/incomplete_neg.cc: New test.
2398 * testsuite/20_util/is_class/value.cc: Check incomplete type.
2399 * testsuite/20_util/is_function/value.cc: Likewise.
2400 * testsuite/20_util/is_move_constructible/incomplete_neg.cc: New test.
2401 * testsuite/20_util/is_nothrow_move_assignable/incomplete_neg.cc: New
2403 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: New test.
2404 * testsuite/20_util/is_reference/value.cc: Check incomplete types.
2405 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
2406 * testsuite/20_util/is_union/value.cc: Likewise.
2407 * testsuite/20_util/is_void/value.cc: Likewise.
2408 * testsuite/util/testsuite_tr1.h: Add incomplete union type.
2410 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2412 * include/bits/random.h (random_device::_M_init(const char*, size_t)):
2413 Add new private member function.
2414 * src/c++11/cow-string-inst.cc (random_device::_M_init(const string&))
2415 (random_device::_M_init_pretr1(const string&)): Call new private
2416 member with string data.
2417 * src/c++11/random.cc (random_device::_M_init(const char*, size_t)):
2419 * testsuite/26_numerics/random/random_device/cons/default-cow.cc: New
2420 test using COW strings.
2421 * testsuite/26_numerics/random/random_device/cons/default.cc: Generate
2422 a value from the device.
2423 * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
2424 Fix typo in token string.
2426 2019-05-30 Nina Dinka Ranns <dinka.ranns@gmail.com>
2428 LWG2788 basic_string spurious use of a default constructible allocator
2429 * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
2430 (basic_string::_M_replace_dispatch): Construct temporary string with
2431 the current allocator.
2432 * testsuite/21_strings/basic_string/allocator/char/lwg2788.cc: New.
2433 * testsuite/21_strings/basic_string/allocator/wchar_t/lwg2788.cc: New.
2435 2019-05-30 Jonathan Wakely <jwakely@redhat.com>
2437 * doc/xml/manual/diagnostics.xml: Update list of headers that define
2439 * doc/xml/manual/support.xml: Rewrite advice around NULL. Rewrite
2440 section about new/delete overloads. Improve section on verbose
2442 * doc/html/*: Regenerate.
2444 * doc/xml/manual/status_cxx2020.xml: Add feature-test macro for
2445 P0811R3. Change status of P1353R0.
2446 * doc/html/*: Regenerate.
2448 * doc/xml/manual/status_cxx2011.xml: Use <variablelist> for
2449 documentation of implementation-defined types for [thread.req.native].
2450 * doc/xml/manual/status_cxx2017.xml: Update documentation of
2451 implementation-defined strings for [variant.bad.access]. Fix typo in
2452 documentation of implementation-defined support for [fs.conform.9945].
2453 * doc/html/*: Regenerate.
2455 2019-05-29 Jonathan Wakely <jwakely@redhat.com>
2458 * testsuite/26_numerics/random/random_device/cons/token.cc: Fix test
2459 that fails on mingw-w64.
2462 * src/c++17/fs_ops.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
2463 (status(const path&, error_code&)): Use parent_path() to remove
2465 (symlink_status(const path&, error_code&)): Duplicate workaround for
2466 bug in _wstat for paths with trailing slash.
2467 * testsuite/27_io/filesystem/operations/remove_all.cc: Check path
2468 with trailing slash.
2469 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
2470 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2472 * src/c++17/fs_path.cc (path::parent_path()): Create whole path at
2473 once instead of building it iteratively.
2475 * testsuite/util/testsuite_api.h: Remove names of unused parameters.
2477 PR libstdc++/85494 use rdseed and rand_s in std::random_device
2478 * acinclude.m4 (GLIBCXX_CHECK_X86_RDSEED): Define macro to check if
2479 the assembler supports rdseed.
2480 * config.h.in: Regenerate.
2481 * configure: Regenerate.
2482 * configure.ac: Use GLIBCXX_CHECK_X86_RDSEED.
2483 * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_CRT_RAND_S): Define.
2484 * doc/html/*: Regenerate.
2485 * doc/xml/manual/status_cxx2011.xml: Document new tokens.
2486 * include/bits/random.h (random_device::random_device()): Always call
2487 _M_init rather than _M_init_pretr1.
2488 (random_device::random_device(const string&)): Likewise.
2489 (random_device::operator()()): Always call _M_getval().
2490 (random_device::_M_file): Replace first member of union with an
2491 anonymous struct, with _M_file as its first member.
2492 * src/c++11/random.cc [_GLIBCXX_X86_RDRAND] (USE_RDRAND): Define.
2493 [_GLIBCXX_X86_RDSEED] (USE_RDSEED): Define.
2494 (USE_MT19937): Define if none of the above are defined.
2495 (USE_POSIX_FILE_IO): Define.
2496 (_M_strtoul): Remove.
2497 [USE_RDSEED] (__x86_rdseed): Define new function.
2498 [_GLIBCXX_USE_CRT_RAND_S] (__winxp_rand_s): Define new function.
2499 (random_device::_M_init(const string&)): Initialize new union members.
2500 Add support for "rdseed" and "rand_s" tokens. Decide what the
2501 "default" token does according to which USE_* macros are defined.
2502 [USE_POSIX_FILE_IO]: Store a file descriptor.
2503 [USE_MT19937]: Forward to _M_init_pretr1 instead.
2504 (random_device::_M_init_pretr1(const string&)) [USE_MT19937]: Inline
2505 code from _M_strtoul.
2506 [!USE_MT19937]: Call _M_init, transforming the old default token or
2507 numeric tokens to "default".
2508 (random_device::_M_fini()) [USE_POSIX_FILE_IO]: Use close not fclose.
2509 (random_device::_M_getval()): Use new union members to obtain a
2510 random number from the stored function pointer or file descriptor.
2511 [USE_MT19937]: Obtain a value from the mt19937 engine.
2512 (random_device::_M_getval_pretr1()): Call _M_getval().
2513 (random_device::_M_getentropy()) [USE_POSIX_FILE_IO]: Use _M_fd
2515 [!USE_MT19937] (mersenne_twister): Do not instantiate when not needed.
2516 * testsuite/26_numerics/random/random_device/85494.cc: New test.
2518 2019-05-28 Jonathan Wakely <jwakely@redhat.com>
2521 * include/experimental/bits/fs_path.h (path::path(path&&)): Only call
2522 _M_split_cmpts() for a path with multiple components.
2523 (path::_S_is_dir_sep()): Add missing 'static' keyword to function.
2524 * src/filesystem/path.cc (path::_M_split_cmpts()): Count number of
2525 components and reserve space in vector. Return early when there is
2527 * testsuite/27_io/filesystem/path/construct/90634.cc: New test.
2528 * testsuite/experimental/filesystem/path/construct/90634.cc: New test.
2530 * testsuite/util/testsuite_fs.h (compare_paths): Use three-argument
2531 form of std::equals for C++11 compatibility.
2533 2019-05-26 Gerald Pfeifer <gerald@pfeifer.com>
2535 * doc/xml/manual/appendix_contributing.xml: Update pointer to
2536 C++ standard at ansi.org.
2538 2019-05-24 Jonathan Wakely <jwakely@redhat.com>
2540 * include/std/numeric (midpoint(T*, T*)): Fix incorrect result.
2541 * testsuite/26_numerics/midpoint/pointer.cc: Change "compile" test
2544 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Fix test.
2545 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused function.
2547 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2549 * testsuite/20_util/function_objects/invoke/1.cc: Move C++17-specific
2551 * testsuite/20_util/function_objects/invoke/3.cc: New test.
2552 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
2553 "compile" test to "run".
2555 * doc/xml/manual/intro.xml: Document LWG DR 2996 change.
2556 * doc/html/*: Regenerate.
2557 * include/bits/shared_ptr.h (shared_ptr(shared_ptr&&, T*)): Add
2558 rvalue aliasing constructor.
2559 (static_pointer_cast, const_pointer, dynamic_pointer_cast)
2560 (reinterpret_pointer_cast): Add overloads taking rvalues.
2561 * include/bits/shared_ptr_base.h (__shared_ptr(__shared_ptr&&, T*)):
2562 Add rvalue aliasing constructor.
2563 * testsuite/20_util/shared_ptr/casts/1.cc: Change "compile" test to
2564 "run" and check return values as well as types.
2565 * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
2566 * testsuite/20_util/shared_ptr/casts/rval.cc: New test.
2567 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: New test.
2568 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused return
2571 * doc/xml/manual/evolution.xml: Document LWG DR 2921 change.
2572 * doc/xml/manual/intro.xml: Likewise.
2573 * include/std/future (__create_task_state): Add default arguments
2574 to make providing an allocator optional.
2575 (packaged_task::packaged_task(F&&)): Call __create_task_state directly
2576 instead of delegating to another constructor.
2577 (packaged_task::packaged_task(allocator_arg_t, const A&, ...)): Do not
2578 define allocator-extended constructors for C++17 and later.
2579 * testsuite/30_threads/packaged_task/cons/alloc.cc: Only run test for
2581 * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
2582 * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
2583 * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
2585 2019-05-23 Hans-Peter Nilsson <hp@axis.com>
2587 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
2588 Don't run the libstdc++/83237 part on simulator targets.
2590 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2592 * doc/xml/manual/status_cxx2017.xml: Add feature test macro for
2594 * doc/html/*: Regenerate.
2596 * include/experimental/any (__any_caster): Use RTTI if comparing
2597 addresses fails, to support non-unique addresses in shared libraries.
2598 * include/std/any (__any_caster): Likewise.
2601 * include/experimental/any (__any_caster): Constrain to only be
2602 callable for object types. Use remove_cv_t instead of decay_t.
2603 If the type decays or isn't copy constructible, compare the manager
2604 function to a dummy specialization.
2605 (__any_caster): Add overload constrained for non-object types.
2606 (any::_Manager_internal<_Op>): Add dummy specialization.
2607 * testsuite/experimental/any/misc/any_cast.cc: Test function types
2610 2019-05-22 Jonathan Wakely <jwakely@redhat.com>
2613 * src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
2614 reversed arguments to uninitialized_copy_n.
2615 * testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
2616 is unchanged by copy assignment.
2617 * testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
2618 compare path components.
2621 * include/experimental/memory_resource: Add system header pragma and
2622 do not define anything unless compiled as C++14 or later.
2623 (__resource_adaptor_common::__guaranteed_alignment): Remove.
2624 (__resource_adaptor_imp::do_allocate): If the requested alignment
2625 is a fundamental alignment then either allocate directly from _M_alloc
2626 or call the new _M_allocate function.
2627 (__resource_adaptor_imp::do_deallocate): Likewise for deallocation.
2628 (__resource_adaptor_imp::_M_allocate): New function that uses a copy
2629 of the allocator rebound to a POD type with the specified alignment.
2630 (__resource_adaptor_imp::_M_deallocate): Likewise for deallocation.
2631 * testsuite/experimental/memory_resource/new_delete_resource.cc:
2632 Adjust expected allocation sizes.
2633 * testsuite/experimental/memory_resource/resource_adaptor.cc: Remove
2634 xfail for Solaris x86.
2636 2019-05-21 Thomas Rodgers <trodgers@redhat.com>
2638 LWG 3062 - Unnecessary decay_t in is_execution_policy_v
2639 * include/pstl/execution_defs.h (__enable_if_execution_policy):
2640 Use std::__remove_cvref_t when building with GCC.
2642 2019-05-21 Jonathan Wakely <jwakely@redhat.com>
2645 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2646 Use "additional_flags" to pass -ltbb to v3_target_compile command.
2647 Use check_v3_target_prop_cached to cache the result of the test.
2649 * doc/xml/manual/shared_ptr.xml: Fix names of lock policy constants.
2651 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2654 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2655 Changed v3_target_compile check from preprocess to executable.
2656 Added "-ltbb" to v3_target_compile flags.
2658 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2660 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2661 Add check for Thread Building Blocks 2018 or later.
2663 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2665 * testsuite/experimental/names.cc: Only include Networking TS headers
2666 on targets with the necessary Gthreads support.
2668 2019-05-20 Marek Polacek <polacek@redhat.com>
2670 CWG 2094 - volatile scalars are trivially copyable.
2672 * testsuite/20_util/is_trivially_copyable/value.cc: Change the expected
2673 result for volatile int.
2675 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2677 * testsuite/17_intro/names.cc: Do not check 'ptr' on Solaris.
2678 * testsuite/experimental/names.cc: Include <experimental/filesystem>
2681 PR c++/90532 Ensure __is_constructible(T[]) is false
2682 * include/std/type_traits (__do_is_default_constructible_impl)
2683 (__is_default_constructible_atom, __is_default_constructible_safe):
2685 (is_default_constructible): Use is_constructible.
2686 * testsuite/20_util/is_constructible/value.cc: Check int[] case.
2687 * testsuite/20_util/is_default_constructible/value.cc: Likewise.
2688 * testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
2689 * testsuite/20_util/is_trivially_default_constructible/value.cc:
2692 2019-05-20 Pádraig Brady <pbrady@fb.com>
2694 * libstdc++-v3/include/ext/new_allocator.h (deallocate): Pass the size
2695 to the deallocator with -fsized-deallocation.
2697 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2699 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
2700 test by passing correct alignment to deallocate function.
2702 2019-05-18 Jonathan Wakely <jwakely@redhat.com>
2705 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
2706 Raise exception if unique_ptr tuple member has unknown structure.
2707 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
2708 Adjust worker to support new __uniq_ptr_data base class. Do not
2709 assume field called _M_head_impl is the first tuple element.
2711 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
2713 * include/bits/stl_deque.h
2714 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
2715 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
2716 (_Deque_base::_Deque_impl_data): New.
2717 (_Deque_base::_Deque_impl): Inherit latter.
2718 (_Deque_base::_Deque_impl::_M_swap_data): Move...
2719 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
2720 (_Deque_base::_Deque_impl()): Add noexcept qualification.
2721 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
2722 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
2723 (deque<>::deque()): Default.
2724 (deque<>::deque(deque&&)): Default.
2725 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
2726 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
2727 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
2728 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
2729 _M_range_initialize.
2730 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
2731 (deque<>::resize(size_type, const value_type&)): Share a single
2733 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
2734 _M_range_insert_aux.
2735 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
2736 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
2737 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
2738 * testsuite/23_containers/deque/allocator/default_init.cc: New.
2740 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
2743 * include/std/variant (holds_alternative, get, get_if): Improve
2744 static assertion messages.
2745 (bad_variant_access::bad_variant_access()): Change default message.
2746 (__throw_bad_variant_access(bool)): New overload.
2747 (get): Use new overload.
2748 (visit, visit<R>): Improve exception message.
2750 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
2751 targets. Add more cases from P0608R3.
2752 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
2754 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
2755 * include/experimental/type_traits (is_detected_exact)
2756 (is_detected_exact_v): Likewise.
2757 * include/pstl/execution_defs.h (is_execution_policy)
2758 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
2759 * include/pstl/execution_impl.h (__policy_traits): Likewise.
2760 * testsuite/17_intro/names.cc: Check for more non-reserved names.
2761 * testsuite/experimental/names.cc: New test.
2764 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
2765 assertions from the destructor.
2766 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
2767 Move static_assert for hash function to here.
2768 (_Hash_table_base::_M_equals): Move static_assert for equality
2770 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
2772 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
2773 the value directly instead of calling _S_value.
2774 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
2775 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
2776 _S_key(_Const_Link_type).
2777 * testsuite/23_containers/set/85965.cc: Check construction,
2778 destruction, assignment and size() do not trigger the assertions.
2779 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
2780 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
2782 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
2783 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
2784 * testsuite/23_containers/set/48101_neg.cc: Likewise.
2785 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
2786 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
2787 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
2788 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
2790 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
2791 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
2794 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
2796 * doc/html/*: Regenerate.
2797 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
2798 of decay_t (P0777R1).
2800 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
2802 Move from state of allocators (LWG2593)
2803 * include/bits/stl_deque.h
2804 (_Deque_base(_Deque_base&&, false_type)): Remove.
2805 (_Deque_base(_Deque_base&&, true_type)): Remove.
2806 (_Deque_base(_Deque_base&&)): Adapt.
2807 (_Deque_base::_M_move_impl()): Remove.
2808 * testsuite/util/testsuite_allocator.h
2809 (propagating_allocator(propagating_allocator&&)): Preserve move from
2811 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
2813 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
2815 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
2816 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
2817 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
2819 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
2821 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
2822 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
2824 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
2826 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
2828 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
2830 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
2832 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
2834 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
2836 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
2839 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
2841 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
2842 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
2844 * include/std/variant (__overload_set): Remove.
2846 (_Build_FUN): New class template to define a single FUN overload,
2847 with specializations to prevent unwanted conversions, as per P0608R3.
2848 (_Build_FUNs): New class template to build an overload set of FUN.
2849 (_FUN_type): New alias template to perform overload resolution.
2850 (__accepted_type): Use integer_constant base for failure case. Use
2851 _FUN_type for successful case.
2852 (variant::__accepted_index): Use _Tp instead of _Tp&&.
2853 (variant::variant(_Tp&&)): Likewise.
2854 (variant::operator=(_Tp&&)): Likewise.
2856 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
2857 Replace raw visitation with a runtime check for the valueless state
2858 and a non-raw visitor.
2859 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
2860 (variant::index()): Remove branch.
2861 (variant::swap(variant&)): Use valueless_by_exception() instead of
2862 comparing the index to variant_npos, and add likelihood attribute.
2864 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
2865 (_Hashtable_base::_Equal_hash_code): Define new class template.
2866 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
2869 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
2870 Replace with _M_get non-static member function.
2871 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
2873 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
2874 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
2876 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
2877 _S_get accessors for members in EBO helpers.
2878 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
2879 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
2881 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
2883 (_Hashtable_base::_M_eq()): Remove non-const overload.
2885 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
2887 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
2889 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2891 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
2894 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2896 * config/os/solaris/solaris2.10: Move to ...
2897 * config/os/solaris: ... this.
2898 * configure.host (os_include_dir): Adapt.
2899 (abi_baseline_pair): Remove Solaris 10 handling.
2900 * config/abi/post/i386-solaris2.10: Remove.
2901 * config/abi/post/sparc-solaris2.10: Remove.
2902 * config/abi/post/i386-solaris2.11: Rename to ...
2903 * config/abi/post/i386-solaris: ... this.
2904 * config/abi/post/sparc-solaris2.11: Rename to ...
2905 * config/abi/post/sparc-solaris: ... this.
2907 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
2910 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
2913 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2915 * include/std/variant (__visit_with_index): Remove typedef.
2916 (__deduce_visit_result): New tag type.
2917 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
2918 visitation of possibly-valueless variants, forwarding to __do_visit
2919 with the relevant tag type.
2920 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
2921 and make lambda return void.
2922 (__variant_construct): Likewise.
2923 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
2924 __raw_idx_visit and make lambda return void.
2925 (_Multi_array::__untag_result): Add metafunction to check the function
2926 pointer type for a tag type that dictates the kind of visitation.
2927 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
2928 Use decltype(auto) instead of tagged function pointer type.
2929 (__gen_vtable_impl): Remove bool non-type parameter and unused
2930 _Variant_tuple parameter.
2931 (__gen_vtable_impl::__visit_invoke_impl): Remove.
2932 (__gen_vtable_impl::__do_visit_invoke): Remove.
2933 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
2934 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
2935 for the visit<R> case, rather than dispatching to separate functions.
2936 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
2938 (variant::swap): Likewise.
2939 (__do_visit): Replace two non-type template parameters with a single
2940 type parameter, so that the caller must specify the visitor's return
2941 type (or one of the tag types).
2942 (visit): Deduce a return type from the visitor and use the
2943 __deduce_visit_result tag to enforce that all overloads return the
2945 (visit<R>): Call __do_visit<R> with explicit result type.
2946 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
2949 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
2951 nonesuch is insufficiently useless (lwg2996)
2952 * include/std/type_traits (struct __nonesuch): Added private base
2953 class to make __nonesuch not an aggregate and removed deleted default
2955 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
2956 (operator=(const pair&)): Use __nonesuch instead of
2957 __nonesuch_no_braces.
2958 (operator=(pair&&)): Likewise
2959 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
2960 of __nonesuch_no_braces.
2961 (operator=(tuple&&)): Likewise
2962 * include/experimental/type_traits (struct nonesuch): Added private
2963 base class to make nonesuch not an aggregate and removed deleted
2964 default constructor.
2965 * testsuite/20_util/nonesuch/nonesuch.cc: New.
2966 * testsuite/experimental/type_traits/nonesuch.cc: New.
2968 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2970 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
2971 (_Function_handler): Remove partial specializations for void return
2972 types and pointers to member.
2973 (_Function_handler::_M_manager): Adapt to removal of
2974 _Simple_type_wrapper.
2975 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
2976 * include/std/functional (_Bind_result::__enable_if_void)
2977 (_Bind_result::__disable_if_void): Remove sfinae helpers.
2978 (_Bind_result::__call): Use __invoke_r and remove overloads for void
2980 * include/std/future (__future_base::_Task_state::_M_run)
2981 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
2982 change return type of lambda expressions.
2984 * include/bits/invoke.h (__invoke_r): Define new function implementing
2985 the INVOKE<R> pseudo-function.
2986 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
2987 * testsuite/20_util/function_objects/invoke/2.cc: New test.
2989 * include/std/type_traits (__is_nt_convertible_helper): Define it
2990 unconditionally, not only for C++20.
2991 (__is_nothrow_convertible): Define internal trait for use in C++11.
2992 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
2993 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
2994 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
2995 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
2996 that has nothrow explicit conversion but potentially-throwing implicit
2998 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
2999 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
3000 function to only consider implicit conversions.
3001 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
3003 * include/std/iterator: Include <iosfwd> instead of <istream> and
3006 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
3007 Remove unused, non-standard function.
3009 * include/bits/regex.h (match_results::max_size()): Adjust return
3010 value to account for prefix/suffix/unmatched subs.
3011 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
3012 reset the contained sub matches.
3013 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
3014 function to set result state following a failed match.
3015 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
3016 sub_match states after _M_resize. Use _M_establish_failed_match.
3019 * include/std/thread (thread::_State_impl, thread::_S_make_state):
3020 Replace single _Callable parameter with variadic _Args pack, to
3021 forward them directly to the tuple of decayed copies.
3022 * testsuite/30_threads/thread/cons/69724.cc: New test.
3024 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
3026 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
3027 * include/bits/basic_string.h: (operator=(const basic_string&):
3028 Move allocator decision to assign.
3029 (assign(const basic_string&)): Move allocator decision here.
3030 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
3032 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
3035 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
3037 * testsuite/util/testsuite_allocator.h (memory_resource)
3038 (default_resource_mgr): Fix indentation.
3040 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
3041 Use operator-> to access raw pointer member.
3042 * testsuite/23_containers/vector/59829.cc: Likewise.
3043 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
3044 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
3045 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
3047 (PointerBase, PointerBase_void): Derive from NullablePointer and use
3048 its constructors and equality operators. Change converting
3049 constructors to use operator-> to access private member of the other
3051 (PointerBase_void::operator->()): Add, for access to private member.
3052 (operator-(PointerBase, PointerBase)): Change to hidden friend.
3053 (operator==(PointerBase, PointerBase)): Remove.
3054 (operator!=(PointerBase, PointerBase)): Remove.
3056 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
3057 not assume field called _M_head_impl is the first tuple element.
3058 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
3059 implementation more accurate.
3060 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
3061 empty pointer type and non-empty deleter.
3063 LWG 2899 - Make is_move_constructible correct for unique_ptr
3064 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
3065 move assignment operator.
3066 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
3067 (__uniq_ptr_data): New class template with conditionally deleted
3069 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
3070 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
3071 constructor and move assignment operator as defaulted.
3072 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
3073 __uniq_ptr_impl::release().
3074 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
3075 to __uniq_ptr_impl::reset(pointer).
3076 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
3077 Check for new __uniq_ptr_data type.
3078 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
3080 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
3082 PR libstdc++/90454.cc path construction from void*
3083 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
3084 pointers to void are rejected as well as void.
3085 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
3086 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
3088 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
3090 * doc/xml/manual/policy_data_structures.xml: Comment out stray
3091 <remark> elements. Fix formatting of bibliography references.
3093 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
3095 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
3097 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
3099 Remove Profile Mode, deprecated since 7.1.0
3100 * doc/Makefile.am: Remove XML file for profile mode docs.
3101 * doc/Makefile.in: Regenerate.
3102 * doc/xml/authors.xml: Remove authors of profile mode docs.
3103 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
3105 * doc/xml/manual/debug.xml: Likewise.
3106 * doc/xml/manual/evolution.xml: Document removal of profile mode.
3107 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
3108 * doc/xml/manual/spine.xml: Remove profile mode author credit.
3109 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
3111 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
3113 * doc/html/*: Regenerate.
3114 * include/Makefile.am: Remove profile mode headers.
3115 * include/Makefile.in: Regenerate.
3116 * include/bits/c++config (std::__profile): Remove namespace.
3117 [_GLIBCXX_PROFILE]: Remove checks for macro.
3118 * include/profile/array: Remove.
3119 * include/profile/base.h: Remove.
3120 * include/profile/bitset: Remove.
3121 * include/profile/deque: Remove.
3122 * include/profile/forward_list: Remove.
3123 * include/profile/impl/profiler.h: Remove.
3124 * include/profile/impl/profiler_algos.h: Remove.
3125 * include/profile/impl/profiler_container_size.h: Remove.
3126 * include/profile/impl/profiler_hash_func.h: Remove.
3127 * include/profile/impl/profiler_hashtable_size.h: Remove.
3128 * include/profile/impl/profiler_list_to_slist.h: Remove.
3129 * include/profile/impl/profiler_list_to_vector.h: Remove.
3130 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
3131 * include/profile/impl/profiler_node.h: Remove.
3132 * include/profile/impl/profiler_state.h: Remove.
3133 * include/profile/impl/profiler_trace.h: Remove.
3134 * include/profile/impl/profiler_vector_size.h: Remove.
3135 * include/profile/impl/profiler_vector_to_list.h: Remove.
3136 * include/profile/iterator_tracker.h: Remove.
3137 * include/profile/list: Remove.
3138 * include/profile/map: Remove.
3139 * include/profile/map.h: Remove.
3140 * include/profile/multimap.h: Remove.
3141 * include/profile/multiset.h: Remove.
3142 * include/profile/ordered_base.h: Remove.
3143 * include/profile/set: Remove.
3144 * include/profile/set.h: Remove.
3145 * include/profile/unordered_base.h: Remove.
3146 * include/profile/unordered_map: Remove.
3147 * include/profile/unordered_set: Remove.
3148 * include/profile/vector: Remove.
3149 * scripts/run_doxygen: Do not process profile mode headers.
3150 * testsuite/23_containers/array/element_access/60497.cc: Don't use
3152 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
3153 Remove dg-skip-if for profile mode.
3154 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
3155 preprocessor check for profile mode.
3156 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
3157 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
3159 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
3161 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
3162 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
3163 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
3164 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
3165 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
3167 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
3169 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
3171 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
3173 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
3174 preprocessor check for profile mode.
3175 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
3177 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
3178 Remove dg-skip-if for profile mode.
3179 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
3180 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
3181 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
3182 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
3183 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
3184 * testsuite/Makefile.am: Remove profile_flags variable and
3185 * testsuite/Makefile.am: Remove profile_flags variable and
3186 check-profile target.
3187 * testsuite/Makefile.in: Regenerate.
3188 * testsuite/ext/profile/all.cc: Remove.
3189 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
3190 * testsuite/ext/profile/profiler_algos.cc: Remove.
3191 * testsuite/ext/profile/replace_new.cc: Remove.
3192 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
3193 preprocessor check for profile mode.
3194 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
3195 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
3196 (check_v3_target_normal_mode): Do not check for profile mode macro.
3197 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
3199 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
3200 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
3201 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
3202 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
3203 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
3204 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
3205 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
3206 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
3207 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
3208 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
3210 Remove array_allocator extension, deprecated since 4.9.0
3211 * doc/xml/manual/allocator.xml: Remove documentation for
3213 * doc/xml/manual/evolution.xml: Document array_allocator removal.
3214 * doc/xml/manual/using.xml: Remove header from documentation.
3215 * include/Makefile.am: Remove <ext/array_allocator.h> header.
3216 * include/Makefile.in: Regenerate.
3217 * include/ext/array_allocator.h: Remove.
3218 * include/precompiled/extc++.h: Do not include removed header.
3219 * testsuite/ext/array_allocator/1.cc: Remove.
3220 * testsuite/ext/array_allocator/2.cc: Remove.
3221 * testsuite/ext/array_allocator/26875.cc: Remove.
3222 * testsuite/ext/array_allocator/3.cc: Remove.
3223 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
3224 * testsuite/ext/array_allocator/check_delete.cc: Remove.
3225 * testsuite/ext/array_allocator/check_new.cc: Remove.
3226 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
3227 * testsuite/ext/headers.cc: Do not include removed header.
3229 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
3231 * include/bits/stl_bvector.h
3232 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3234 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3236 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3238 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3240 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3242 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3244 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3246 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
3248 (_Bit_iterator::operator-(difference_type)): Likewise.
3249 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
3250 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
3252 (_Bit_const_iterator::operator-(difference_type)): Likewise.
3253 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
3255 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
3258 * testsuite/util/thread/all.h: Do not use remove_pointer for
3259 std::thread::native_handle_type.
3262 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
3263 (_Variant_storage<true, Types...>::_M_reset()))
3264 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
3265 (__get_storage): Likewise.
3266 (variant): Add noexcept to friend declarations for __get and
3270 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
3271 Use _Require for constraints.
3272 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
3274 (__uniq_ptr_hash): New base class with conditionally-disabled call
3276 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
3277 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
3278 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
3280 * include/bits/shared_ptr.h: Improve docs.
3281 * include/bits/shared_ptr_base.h: Likewise.
3282 * include/bits/stl_uninitialized.h: Likewise.
3283 * include/bits/unique_ptr.h: Likewise.
3284 * libsupc++/new: Likewise.
3286 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
3288 * include/bits/stl_deque.h
3289 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3291 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3293 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3295 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3297 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3299 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3301 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
3303 (_Deque_iterator<>::operator-(difference_type)): Likewise.
3305 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
3308 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
3309 (test01): Reserve for number of insertions to avoid rehash during test.
3310 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
3312 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
3317 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
3319 * include/experimental/bits/fs_path.h: Improve docs.
3320 * include/experimental/bits/net.h: Fix wrong header name in comment.
3321 Do not document implementation details.
3322 * include/experimental/netfwd: Fix doxygen grouping.
3324 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
3326 * include/bits/stl_pair.h: Improve docs.
3327 * include/std/tuple: Likewise.
3329 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
3331 * include/std/chrono: Improve docs.
3332 * include/std/ratio: Do not document implementation details.
3333 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
3335 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
3338 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
3339 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
3340 (__duration_common_type): New helper.
3341 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
3342 __duration_common_type.
3343 (__timepoint_common_type_wrapper): Replace with ...
3344 (__timepoint_common_type): New helper.
3345 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
3346 Use __time_point_common_type.
3347 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
3348 (__common_type_impl): If either argument is transformed by decay,
3349 use the common_type of the decayed types.
3350 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
3351 decayed, use __do_common_type_impl to get the common_type.
3352 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
3353 (__do_member_type_wrapper, __member_type_wrapper)
3354 (__expanded_common_type_wrapper): Remove.
3355 (__common_type_pack, __common_type_fold): New helpers.
3356 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
3357 __member_type_wrapper and __expanded_common_type_wrapper.
3358 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
3359 Test zero-length template argument list.
3360 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
3361 Test single argument cases and argument types that should decay.
3362 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
3363 Adjust expected error.
3364 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
3366 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
3367 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
3368 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
3370 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
3372 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
3374 Make allocator propagation more consistent for
3375 operator+(basic_string) (P1165R1)
3376 * include/bits/basic_string.h
3377 (operator+(basic_string&&, basic_string&&): Changed resulting
3378 allocator to always be the one from the first parameter.
3379 * include/bits/basic_string.tcc
3380 (operator+(const _CharT*, const basic_string&)): Changed
3381 resulting allocator to be SOCCC on the second parameter's allocator.
3382 (operator+(_CharT, const basic_string&)): Likewise.
3383 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
3385 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
3388 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
3390 * include/bits/regex.h: Improve docs.
3391 * include/bits/regex.tcc: Do not document implementation details.
3393 * testsuite/19_diagnostics/error_code/hash.cc: New test.
3395 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
3397 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
3398 Add type printer for container types in std::__debug namespace.
3399 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
3400 (gdb-tests): Use distinct parameters for the type of test and use of
3402 (gdb-test): Check for regex test even if 'whatis' test.
3403 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
3405 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
3406 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
3407 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
3408 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
3409 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
3410 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
3411 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
3413 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
3415 * include/std/system_error (error_category): Fix comment.
3418 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
3419 argument is an empty path.
3420 (absolute(const path&, error_code&)): Use invalid_argument as error
3421 code instead of no_such_file_or_directory.
3422 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
3423 of non-existent paths and empty paths with both overloads of absolute.
3425 * include/std/system_error (error_category, error_code)
3426 (error_condition): Improve docs.
3427 * libsupc++/exception: Add missing @addtogroup Doxygen command.
3428 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
3429 to class documentation. Suppress documentation for implementation
3431 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
3432 Suppress documentation for implementation details.
3434 * include/std/system_error (error_code): Remove friend declaration
3435 for hash<error_code>.
3436 (hash<error_code>::operator()): Use public member functions to access
3438 (hash<error_condition>::operator()): Use address of category, not
3439 its object representation.
3440 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
3441 Use public member functions to access value and category.
3442 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
3444 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
3446 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
3447 * include/bits/hashtable_policy.h
3448 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
3449 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
3450 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
3451 smaller than input value rather than always greater. Preserve
3452 _M_next_resize if called with 0 input. Use __builtin_floorl.
3453 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
3454 elements + number of insertions is greater than _M_next_resize. Start
3455 with 11 buckets if not told otherwise. Use __builtin_floorl.
3456 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
3457 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
3458 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
3459 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
3460 told otherwise. Use __builtin_floorl.
3461 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
3462 to also validate _Power2_rehash_policy.
3463 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
3466 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
3469 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
3473 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
3474 overflow warning with -Wpedantic -Wsystem-headers.
3476 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
3479 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
3480 * include/bits/move.h (swap): Remove extra parentheses.
3482 * include/experimental/bits/lfts_config.h: Improve doc markup.
3483 * include/experimental/optional: Improve docs.
3484 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
3485 (__constexpr_addressof): Remove.
3486 (optional::operator->()): Use std::__addressof().
3487 * include/std/optional (optional::operator->()): Adjust whitespace.
3488 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
3489 that operator-> is still constexpr with overloaded operator&. Change
3490 to compile-only test.
3491 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
3494 * include/bits/shared_ptr.h: Improve docs.
3495 * include/bits/shared_ptr_atomic.h: Likewise.
3496 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
3498 * include/bits/basic_string.h: Fix iterator/index confusion in
3500 * include/bits/range_access.h: Fix Doxygen warnings.
3501 * include/bits/refwrap.h: Do not document implementation details.
3502 (ref, cref): Group docs with reference_wrapper.
3503 * include/std/fstream: Fix Doxygen markup.
3504 * libsupc++/initializer_list (begin, end): Group docs with
3507 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
3509 * include/bits/unique_lock.h: Fix/improve doxygen markup.
3510 * include/std/mutex: Likewise.
3511 * include/std/shared_mutex: Likewise.
3513 * include/bits/fs_dir.h: Fix/improve doxygen markup.
3514 * include/bits/fs_fwd.h: Likewise.
3515 * include/bits/fs_ops.h: Likewise.
3516 * include/bits/fs_path.h: Likewise.
3517 * include/std/filesystem: Likewise.
3519 * include/experimental/bits/net.h: Fix/improve doxygen markup.
3520 * include/experimental/buffer: Likewise.
3521 * include/experimental/executor: Likewise.
3522 * include/experimental/internet: Likewise.
3523 * include/experimental/io_context: Likewise.
3524 * include/experimental/net: Likewise.
3525 * include/experimental/netfwd: Likewise.
3526 * include/experimental/socket: Likewise.
3527 * include/experimental/timer: Likewise.
3529 * doc/doxygen/doxygroups.cc: Move description of experimental group
3531 * include/experimental/algorithm: Add to libfund-ts doc group.
3532 * include/experimental/any: Likewise. Do not document implementation
3534 * include/experimental/array: Add to libfund-ts doc group.
3535 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
3536 for Library Fundamentals.
3537 * include/experimental/chrono: Add to libfund-ts doc group.
3538 * include/experimental/deque: Likewise.
3539 * include/experimental/forward_list: Likewise.
3540 * include/experimental/functional: Likewise.
3541 * include/experimental/iterator: Likewise.
3542 * include/experimental/list: Likewise.
3543 * include/experimental/map: Likewise.
3544 * include/experimental/memory: Likewise.
3545 * include/experimental/memory_resource: Likewise. Improve docs.
3547 * include/experimental/numeric: Add to libfund-ts doc group.
3548 * include/experimental/optional: Likewise.
3549 * include/experimental/propagate_const: Likewise.
3550 * include/experimental/random: Likewise.
3551 * include/experimental/ratio: Likewise.
3552 * include/experimental/regex: Likewise.
3553 * include/experimental/set: Likewise.
3554 * include/experimental/source_location: Likewise.
3555 * include/experimental/string: Likewise.
3556 * include/experimental/string_view: Likewise.
3557 * include/experimental/system_error: Likewise.
3558 * include/experimental/tuple: Likewise.
3559 * include/experimental/type_traits: Likewise.
3560 * include/experimental/unordered_map: Likewise.
3561 * include/experimental/unordered_set: Likewise.
3562 * include/experimental/utility: Likewise.
3563 * include/experimental/vector: Likewise.
3564 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
3565 * testsuite/experimental/array/neg.cc: Adjust dg-error.
3566 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
3568 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
3569 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
3570 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
3571 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
3572 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
3574 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
3575 * include/experimental/bits/fs_fwd.h: Improve docs.
3576 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
3577 * include/experimental/bits/fs_path.h: Likewise.
3578 (path, filesystem_error, u8path): Improve docs.
3579 * include/experimental/filesystem: Link to docs for TS.
3581 * config/allocator/new_allocator_base.h (__allocator_base): Add
3582 workaround for Doxygen bug #6945.
3583 * include/std/memory: Improve docs. Define group for pointer safety.
3584 * include/std/scoped_allocator: Improve docs. Use "undocumented"
3585 conditional to suppress documentation for implementation details.
3587 * include/bits/specfun.h: Improve docs.
3588 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
3591 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
3592 (std::experimental): Add docs.
3593 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
3594 namespace to nothing when generating docs.
3595 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
3596 * include/std/chrono (std::chrono): Likewise.
3597 * include/std/functional (std::placeholders): Likewise.
3598 * include/std/thread (std::this_thread): Likewise.
3600 * include/parallel/settings.h: Fix Doxygen markup.
3602 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
3603 anything unless PB_DS_CLASS_C_DEC is defined.
3604 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
3605 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
3606 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
3607 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
3608 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
3609 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
3610 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
3612 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
3613 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
3614 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
3615 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
3616 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
3617 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
3618 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
3619 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
3620 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
3621 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
3622 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
3624 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
3625 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
3627 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
3630 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
3631 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
3632 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
3635 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3637 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
3638 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
3639 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
3640 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
3641 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
3642 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
3644 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
3645 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
3648 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
3651 * include/std/complex (__complex_proj): Return parameter unchanged.
3652 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
3653 floating-point types to take std::complex arguments.
3654 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
3655 floating-point types.
3656 * testsuite/26_numerics/complex/proj.cc: New test.
3658 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3660 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
3661 to _Lock_policyE[012].
3662 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3664 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
3666 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
3667 macros accidentally left in.
3668 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
3669 unnecessary -lstdc++fs option. Fix test for mingw.
3670 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
3673 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3675 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3677 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
3679 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
3681 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
3682 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
3685 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
3687 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
3690 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
3691 class template and partial specialization.
3694 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
3696 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
3697 functions to convert a value to an integral type.
3698 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
3699 (fill_n): Convert _Size parameter to an integral type.
3700 * testsuite/25_algorithms/fill_n/87982.cc: New test.
3701 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
3702 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
3703 * testsuite/25_algorithms/generate_n/87982.cc: New test.
3704 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
3705 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
3707 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
3709 Adding noexcept-specification on tuple constructors (LWG 2899)
3710 * libstdc++-v3/include/std/tuple:
3711 (tuple()): Add noexcept-specification.
3712 (tuple(const _Elements&...)): Likewise
3713 (tuple(_UElements&&...)): Likewise
3714 (tuple(const tuple<_UElements...>&)): Likewise
3715 (tuple(tuple<_UElements...>&&)): Likewise
3716 (tuple(const _T1&, const _T2&)): Likewise
3717 (tuple(_U1&&, _U2&&)): Likewise
3718 (tuple(const tuple<_U1, _U2>&): Likewise
3719 (tuple(tuple<_U1, _U2>&&): Likewise
3720 (tuple(const pair<_U1, _U2>&): Likewise
3721 (tuple(pair<_U1, _U2>&&): Likewise
3722 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
3724 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
3727 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
3728 arguments with __restrict.
3730 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
3732 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
3734 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
3736 * include/experimental/bits/fs_path.h
3737 (path::_S_convert_loc<_InputIterator>): Create const std::string to
3738 avoid redundant call to _S_convert_loc with non-const pointers.
3740 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
3741 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
3742 * testsuite/21_strings/basic_string/hash/hash.cc
3743 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
3744 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
3745 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
3747 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
3748 wstring::_M_replace_dispatch with more specific patterns.
3749 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
3750 Create const std::string to avoid redundant call to _S_convert_loc
3751 with non-const pointers.
3752 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
3753 avoid unnecessary basic_string::assign instantiations.
3755 * include/std/memory (__uses_alloc_args): Add string-literal to
3756 static_assert, to match the one in __uses_alloc.
3757 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
3758 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
3759 for recursive uses-allocator construction of nested pairs.
3760 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
3763 2019-04-26 Jakub Jelinek <jakub@redhat.com>
3765 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
3766 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
3767 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
3768 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
3770 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3771 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
3772 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
3773 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
3774 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
3775 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
3776 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3778 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
3781 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
3782 * include/std/scoped_allocator [__cplusplus > 201703L]
3783 (scoped_allocator_adaptor::construct): Define in terms of
3784 uses_allocator_construction_args, as per P0591R4.
3785 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
3786 * testsuite/util/testsuite_allocator.h: Remove name of unused
3789 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
3791 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
3792 * doc/html/*: Regenerate.
3794 * include/bits/fs_path.h (operator<, operator<=, operator>)
3795 (operator>=, operator==, operator!=): Make hidden friends, as per
3797 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
3798 string type in test.
3799 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
3801 * include/std/any (any::any(ValueType&&)): Use __and_v.
3802 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
3805 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
3807 * include/std/type_traits (__result_of_memfun): Use remove_reference
3808 instead of __remove_cvref_t and remove redundant is_same check.
3809 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
3811 * include/experimental/string_view (basic_string_view::pointer)
3812 (basic_string_view::reference): Fix to refer to non-const value_type.
3813 * include/bits/basic_string.h (basic_string): Use __sv_check and
3814 __sv_limit instead of basic_string_view::_M_check and
3815 basic_string_view::_M_limit.
3816 * include/std/string_view (__sv_check, __sv_limit): New
3817 helper functions to replace basic_string_view::_M_check and
3818 basic_string_view::_M_limit.
3819 (basic_string_view): Add static assertions to enforce ill-formed
3820 requirement for traits_type::char_type from P1148R0, and to enforce
3821 required properties of char-like types.
3822 (basic_string_view::pointer, basic_string_view::reference): Fix to
3823 refer to non-const value_type.
3824 (basic_string_view::operator[], basic_string_view::at)
3825 (basic_string_view::front, basic_string_view::back)
3826 (basic_string_view::data): Use const_reference and const_pointer
3827 typedefs for return types.
3828 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
3829 (hash<wstring_view>): Fix argument_type typedef.
3830 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3831 char/1.cc: Fix expected return type of basic_string_view::data().
3832 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3833 wchar_t/1.cc: Likewise.
3834 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3835 char/1.cc: Likewise.
3836 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3837 wchar_t/1.cc: Likewise.
3838 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
3840 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
3841 Check reference and pointer typedefs.
3842 * testsuite/experimental/string_view/requirements/typedefs.cc:
3844 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
3845 Fix expected return type of basic_string_view::data().
3846 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
3848 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
3850 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
3854 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
3855 Avoid a runtime check for types that can never be stored in std::any.
3856 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3859 PR libstdc++/90220 (partial)
3860 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
3861 not attempt ill-formed static_cast to pointers to non-object types.
3862 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3865 * testsuite/20_util/variant/run.cc: Catch exception by reference to
3866 prevent -Wcatch-value warning.
3868 * include/std/variant (__variant_construct): Use template parameter
3869 type instead of equivalent decltype-specifier.
3870 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
3871 Replace forward with move.
3872 (_Move_ctor_base<false, Types...>::_M_destructive_move)
3873 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
3874 (_Move_ctor_base<true, Types...>::_M_destructive_move)
3875 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
3876 index after construction succeeds.
3877 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
3878 if-constexpr checks that are always true. Use __remove_cvref_t instead
3879 of remove_reference so that is_nothrow_move_constructible check
3880 doesn't use a const rvalue parameter. In the potentially-throwing case
3881 construct a temporary and move assign it, as per LWG 2904.
3882 (_Move_assign_base<false, Types...>::operator=): Remove redundant
3883 if-constexpr checks that are always true. Use emplace as per LWG 2904.
3884 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
3885 construct a temporary and move assign from it, as per LWG 2904.
3886 * testsuite/20_util/variant/exception_safety.cc: Check that
3887 assignment operators have strong exception safety guarantee.
3889 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
3891 Document PSTL linker flags
3893 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
3895 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
3897 * include/std/variant (__detail::__variant::_Traits): Make
3898 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
3899 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
3901 (__detail::__variant::_Copy_assign_alias): Only depend on
3902 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
3903 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
3904 move assignment operators.
3907 * include/std/variant (variant::__not_self): New helper for the
3908 is_same_v<remove_cvref_t<T>, variant>==false constraints.
3909 (variant::__to_type_impl): Remove.
3910 (variant::__to_type): Add default argument to check pack size, instead
3911 of using __to_type_impl.
3912 (variant::__accepted_type): Add default argument using __not_self.
3913 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
3914 for variant(T&&) constructor constraint.
3915 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
3916 Extract __accepted_type into a named template parameter for reuse in
3917 other constraints and in the exception specification.
3918 (variant::variant(in_place_type_t<T>, Args&&...))
3919 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
3920 (variant::variant(in_place_index_t<T>, Args&&...))
3921 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
3922 (variant::operator=T&&)): Remove redundant && from trait arguments.
3923 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
3924 isn't used for in_place_type or in_place_index arguments.
3926 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
3927 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
3928 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
3930 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3931 Bernd Edlinger <bernd.edlinger@hotmail.de>
3932 Jakub Jelinek <jakub@redhat.com>
3935 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
3936 general-regs-only target attribute for ARM.
3938 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
3941 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
3942 specialization also depend on is_nothrow_move_constructible.
3943 * include/std/variant (__detail::__variant::__never_valueless()):
3944 Only true if the variant would have a move assignment operator.
3945 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
3946 Check __never_valueless<T...>().
3947 (variant::emplace): Only perform non-throwing move assignments
3948 for never-valueless alternatives if the variant has a move assignment
3950 * testsuite/20_util/variant/compile.cc: Check that never-valueless
3951 types can be emplaced into non-assignable variants.
3952 * testsuite/20_util/variant/run.cc: Check that never-valueless types
3953 don't get copied when emplaced into non-assignable variants.
3955 * include/std/variant (__detail::__variant::__ref_cast): Remove
3957 (__detail::__variant::_Uninitialized::_M_get)
3958 (__detail::__variant::__get)
3959 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
3961 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
3963 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
3965 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
3966 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
3967 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
3968 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
3970 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
3972 Delegate PSTL configuration to pstl/pstl_config.h
3974 * include/bits/c++config: Remove explicit PSTL configuration
3975 macros and use definitions from <pstl/pstl_config.h>.
3977 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
3979 Cleanup algorithm implementations
3980 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
3982 (mismatch): Forward execution policy.
3983 (equal): Qualify call to std::equal().
3984 (partial_sort): Forward execution policy.
3985 (inplace_merge): Forward execution policy.
3987 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
3989 Improve implementation of parallel equal()
3990 * include/pstl/algorithm_impl.h
3991 (__internal::__brick_equal): use "4 iterator" version of
3993 (__internal::__brick_equal): use simd for random access
3994 iterators on unsequenced execution policies.
3995 (__internal::__pattern_equal): add "4 iterator" version
3996 (__internal::__pattern_equal): dispatch to simd __brick_equal
3997 for vector-only execution policies.
3998 (__internal::__pattern_equal): dispatch to __parallel_or for
3999 parallel execution policies.
4000 * include/pstl/glue_algorithm_impl.h
4001 (std::equal): dispatch to "4 iterator" version of
4002 __internal::__pattern_equal().
4004 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
4007 * include/bits/forward_list.h (operator==): Do not use operator!= to
4009 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
4010 earlier in the list, so that sort is stable.
4011 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
4012 * testsuite/23_containers/forward_list/comparable.cc: Test with
4013 types that meet the minimum EqualityComparable and LessThanComparable
4014 requirements. Remove irrelevant comment.
4016 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
4017 Do not depend on whether all alternative types are move constructible.
4018 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
4019 from the operand when deciding whether to perform the assignment.
4020 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
4021 with deleted move constructor and deleted move assignment operator.
4022 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
4023 behaviour of variants with DeletedMoves as an alternative.
4024 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
4025 (move_ctor, move_assign): Check that moving a variant with a
4026 DeletedMoves alternative falls back to copying instead of moving.
4028 * testsuite/20_util/variant/compile.cc: Remove empty string literals
4029 from static_assert declarations.
4031 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
4032 actually match its name.
4033 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
4034 (test_swap()): Fix result for MoveCtorOnly and check
4035 MoveCtorAndSwapOnly.
4037 * include/std/optional (optional::value_or(U&&) &&): Add missing
4038 constexpr specifier.
4039 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
4040 for disengaged optionals and rvalue optionals.
4041 * testsuite/20_util/optional/observers/4.cc: Likewise.
4043 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
4045 * include/pstl/algorithm_impl.h: Uglify identfiers.
4046 * include/pstl/numeric_impl.h: Uglify identfiers.
4047 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
4049 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
4051 * include/bits/c++config:
4052 Add definition for __PSTL_ASSERT.
4053 Add definition for __PSTL_ASSERT_MSG.
4054 * include/pstl/algorithm_impl.h: Replace use of assert().
4055 * include/pstl/numeric_impl.h: Replace use of assert().
4056 * include/pstl/parallel_backend_tbb.h:
4057 Replace use of assert().
4058 Replace use of __TBB_ASSERT().
4059 * include/pstl/parallel_backend_utils.h: Replace use of assert().
4061 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
4064 * src/c++17/memory_resource.cc
4065 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
4066 needed to allow placing a _Chunk at the end of the buffer.
4067 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
4069 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
4071 * doc/xml/faq.xml: Add information about emergency EH pool.
4072 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
4073 Move outdated information on mt_allocator to a separate section.
4074 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
4075 doesn't affect the default allocator.
4077 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
4081 * testsuite/20_util/variant/89851.cc: New test.
4083 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
4085 * include/std/variant: Adjust whitespace. Add comments.
4086 (_Multi_array): Leave primary template undefined.
4087 (_Multi_array<_Tp>): Define partial specialization for base case of
4089 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
4090 which is always a reference.
4091 (__gen_vtable::_S_apply()): Remove function, inline body into
4092 default member initializer.
4093 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
4095 * include/std/variant (__variant_idx_cookie): Add member type.
4096 (__visitor_result_type): Remove.
4097 (__do_visit): Use invoke_result instead of __visitor_result_type.
4098 * testsuite/20_util/variant/visit.cc: New test.
4101 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
4103 * testsuite/20_util/variant/90008.cc: New test.
4105 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
4107 * include/pstl/algorithm_impl.h: Add namespace qualification.
4108 * include/pstl/execution_defs.h: Add namespace qualification.
4109 * include/pstl/execution_impl.h: Add namespace qualification.
4110 * include/pstl/numeric_impl.h: Add namespace qualification.
4111 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
4112 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
4113 * include/pstl/parallel_backend_utils.h: Include <cassert>.
4115 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
4117 Fix visit<R> for variant.
4118 * include/std/variant (__do_visit): Add a template parameter
4119 for enforcing same return types for visit.
4120 (__gen_vtable_impl): Likewise.
4121 (_S_apply_single_alt): Adjust.
4122 (__visit_invoke_impl): New. Handle casting to void.
4123 (__do_visit_invoke): New. Enforces same return types.
4124 (__do_visit_invoke_r): New. Converts return types.
4125 (__visit_invoke): Adjust.
4126 (__gen_vtable): Add a template parameter for enforcing
4127 same return types for visit.
4128 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
4129 different return types.
4130 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
4131 visitors with different return types don't accidentally
4132 compile with regular visitation.
4134 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
4136 * testsuite/27_io/filesystem/iterators/caching.cc: Add
4137 dg-require-filesystem-ts.
4139 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
4141 * doc/xml/manual/status_cxx2020.xml: Update status.
4142 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
4143 * testsuite/20_util/variant/visit_r.cc: New test.
4145 * include/bits/fs_dir.h (directory_iterator::operator*)
4146 (directory_iterator::operator->): Add noexcept.
4147 (operator==, operator!=): Replace namespace-scope equality operators
4148 for directory iterators with hidden friends.
4151 * config/abi/pre/gnu.ver: Add missing exports.
4152 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
4155 * config/abi/pre/gnu.ver: Export new symbols.
4156 * include/bits/fs_dir.h (recursive_directory_iterator::options())
4157 (recursive_directory_iterator::recursion_pending())
4158 (recursive_directory_iterator::disable_recursion_pending()): Remove
4159 inline definitions. Make noexcept.
4160 (recursive_directory_iterator::depth())
4161 (recursive_directory_iterator::operator*())
4162 (recursive_directory_iterator::operator->()): Make noexcept.
4163 (recursive_directory_iterator::_M_options)
4164 (recursive_directory_iterator::_M_pending): Remove data members.
4165 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
4166 (recursive_directory_iterator::recursive_directory_iterator): Remove
4167 ctor-initializer. Use new constructor for _Dir_stack.
4168 (recursive_directory_iterator::options())
4169 (recursive_directory_iterator::recursion_pending())
4170 (recursive_directory_iterator::disable_recursion_pending()): Add
4171 non-inline definitions.
4172 (recursive_directory_iterator::depth()): Make noexcept.
4173 (recursive_directory_iterator::increment(error_code&))
4174 (recursive_directory_iterator::pop(error_code&)): Adjust to new
4175 location of options and recursion_pending members.
4176 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
4177 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
4178 user-declared move constructor and assignment operator, to make the
4181 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
4182 d_type == DT_UNKNOWN immediately.
4183 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
4185 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
4187 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
4189 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
4190 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
4193 PR libstdc++/87431 (again)
4194 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
4195 Define partial specialization for basic_string.
4196 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
4197 shared_ptr and weak_ptr.
4198 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
4200 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
4202 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
4204 * include/debug/vector (_Never_valueless_alt): Likewise for debug
4206 * include/std/any (_Never_valueless_alt): Define explicit
4207 specialization for any.
4208 * include/std/variant (_Never_valueless_alt): Define primary template.
4209 (__never_valueless): Use _Never_valueless_alt instead of
4210 is_trivially_copyable.
4211 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
4212 initializations to avoid try-catch overhead. Add special case for
4213 scalars produced by potentially-throwing conversions. Use
4214 _Never_valueless_alt instead of is_trivially_copyable for the
4215 remaining strong exception-safety cases.
4216 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
4217 * testsuite/20_util/variant/87431.cc: Run both test functions.
4218 * testsuite/20_util/variant/exception_safety.cc: New test.
4219 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
4220 so the variant becomes valueless.
4222 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
4225 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
4227 (variant::emplace<_Tp>): Return result of emplace<N> directly.
4229 * include/std/string (__hash_string_base): New class template defining
4230 operator() for hashing strings.
4231 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
4232 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
4233 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
4234 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
4236 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
4238 Use single-visitation in variant assignment and swap and relops.
4239 Also use indices instead of types when checking whether
4240 variants hold the same thing.
4241 * include/std/variant (__do_visit): Add a template parameter
4242 for index visitation, invoke with indices if index visitation
4244 (__variant_idx_cookie): New.
4245 (__visit_with_index): Likewise.
4246 (_Copy_assign_base::operator=): Do single-visitation with
4248 (_Move_assign_base::operator=): Likewise.
4249 (_Extra_visit_slot_needed): Adjust.
4250 (__visit_invoke): Call with indices if it's an index visitor.
4251 (relops): Do single-visitation with an index visitor.
4253 (__visitor_result_type): New.
4255 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
4257 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
4259 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
4261 Don't revisit a variant we are already visiting.
4262 * include/std/variant (__variant_construct_single): New.
4263 (__variant_construct): Use it.
4264 (_M_destructive_move): Likewise.
4265 (_M_destructive_copy): Likewise.
4266 (_Copy_assign_base::operator=): Adjust.
4267 (_Move_assign_base::operator=): Likewise.
4270 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
4273 * include/bits/hashtable.h (_Hashtable): Move static assertions to
4274 destructor so they are not evaluated until the _Key type is complete.
4275 * include/bits/stl_tree.h (_Rb_tree): Likewise.
4276 * testsuite/23_containers/set/85965.cc: New test.
4277 * testsuite/23_containers/unordered_set/85965.cc: New test.
4278 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
4279 with regexp matching the corresponding _Rb_tree specialization.
4280 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
4281 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
4282 * testsuite/23_containers/set/48101_neg.cc: Likewise.
4283 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
4284 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
4285 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
4286 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
4288 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
4291 Fix based on a suggestion by Antony Polukhin.
4292 * include/std/variant (__never_valueless): New.
4294 (_Extra_visit_slot_needed): New.
4295 (_Multi_array): Use it.
4296 (_S_apply_all_alts): Likewise.
4298 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
4301 Fix based on a suggestion by Antony Polukhin.
4302 * include/std/variant (__gen_vtable): Don't reserve an
4303 additional table slot, _Multi_array already does that.
4305 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
4308 Fix based on a suggestion by Antony Polukhin.
4309 * include/std/variant (__variant_construct): Capture a pointer
4310 to the storage and visit just one variant.
4312 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
4314 * doc/xml/manual/backwards_compatibility.xml: Remove link to
4315 Doxygen-generated pages with unstable URL.
4316 * doc/xml/manual/concurrency_extensions.xml: Likewise.
4317 * doc/xml/manual/extensions.xml: Likewise.
4318 * doc/xml/manual/parallel_mode.xml: Likewise.
4319 * doc/xml/manual/support.xml: Likewise.
4321 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
4322 avoid -Wconversion warnings.
4324 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
4326 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
4327 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
4328 (allstamped): Add stamp-pstl.
4329 (install-headers): Add ptsl_builddir.
4330 * include/Makefile.in: Regenerate.
4331 * include/bits/c++config: Add pstl configuration.
4332 * include/pstl/LICENSE.txt: New file.
4333 * include/pstl/algorithm_fwd.h: New file.
4334 * include/pstl/algorithm_impl.h: New file.
4335 * include/pstl/execution_defs.h: New file.
4336 * include/pstl/execution_impl.h: New file.
4337 * include/pstl/glue_algorithm_defs.h: New file.
4338 * include/pstl/glue_algorithm_impl.h: New file.
4339 * include/pstl/glue_execution_defs.h: New file.
4340 * include/pstl/glue_memory_defs.h: New file.
4341 * include/pstl/glue_memory_impl.h: New file.
4342 * include/pstl/glue_numeric_defs.h: New file.
4343 * include/pstl/glue_numeric_impl.h: New file.
4344 * include/pstl/memory_impl.h: New file.
4345 * include/pstl/numeric_fwd.h: New file.
4346 * include/pstl/numeric_impl.h: New file.
4347 * include/pstl/parallel_backend.h: New file.
4348 * include/pstl/parallel_backend_tbb.h: New file.
4349 * include/pstl/parallel_backend_utils.h: New file.
4350 * include/pstl/parallel_impl.h: New file.
4351 * include/pstl/pstl_config.h: New file.
4352 * include/pstl/unseq_backend_simd.h: New file.
4353 * include/pstl/utils.h: New file.
4354 * include/std/algorithm: Include parallel algorithm implementations.
4355 * include/std/execution: New file.
4356 * include/std/memory: Include parallel algorithm implementations.
4357 * include/std/numeric: Include parallel algorithm implementations.
4358 * include/std/version: Add parallel algorithms feature test macro.
4359 * testsuite/util/pstl/pstl_test_config.h: New file.
4360 * testsuite/util/pstl/test_utils.h: New file.
4361 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
4362 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
4363 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
4364 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
4365 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
4366 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
4367 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
4368 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
4369 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
4370 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
4371 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
4372 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
4373 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
4374 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
4375 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
4376 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
4377 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
4378 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
4379 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
4380 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
4381 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
4382 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
4383 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
4384 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
4385 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
4386 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
4387 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
4388 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
4389 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
4390 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
4391 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
4392 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
4393 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
4394 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
4395 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
4396 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
4397 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
4398 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
4399 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
4400 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
4401 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
4402 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
4403 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
4404 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
4405 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
4406 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
4407 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
4408 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
4409 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
4410 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
4411 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
4412 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
4413 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
4414 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
4415 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
4416 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
4417 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
4418 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
4419 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
4420 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
4421 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
4422 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
4423 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
4424 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
4425 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
4426 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
4427 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
4428 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
4429 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
4430 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
4431 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
4432 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
4433 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
4434 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
4435 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
4436 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
4437 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
4438 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
4439 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
4440 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
4441 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
4442 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
4443 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
4444 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
4445 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
4446 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
4447 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
4448 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
4449 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
4450 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
4451 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
4452 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
4453 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
4454 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
4455 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
4456 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
4457 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
4458 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
4459 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
4460 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
4461 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
4462 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
4463 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
4464 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
4465 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
4466 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
4468 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
4470 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
4471 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
4472 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
4473 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
4474 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
4475 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
4476 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
4477 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
4478 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
4479 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
4480 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
4481 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
4482 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
4483 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
4484 when the special functions IS is enabled, not for C++17.
4485 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
4487 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
4488 without checks for special functions in C++17.
4489 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
4493 * include/backward/hash_map: Use <> for includes not "".
4494 * include/backward/hash_set: Likewise.
4495 * include/backward/strstream: Likewise.
4496 * include/tr1/bessel_function.tcc: Likewise.
4497 * include/tr1/exp_integral.tcc: Likewise.
4498 * include/tr1/legendre_function.tcc: Likewise.
4499 * include/tr1/modified_bessel_func.tcc: Likewise.
4500 * include/tr1/riemann_zeta.tcc: Likewise.
4502 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
4504 * doc/xml/manual/allocator.xml: Link to table documenting evolution
4505 of extension allocators.
4506 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
4507 Document new headers in 7.2, 8.1 and 9.1 releases.
4508 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
4509 * doc/html/*: Regenerate.
4511 2019-03-12 John David Anglin <dave.anglin@bell.net>
4514 * testsuite/lib/libstdc++.exp: Locate libatomic.
4515 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
4516 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
4518 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
4519 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
4520 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
4521 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
4523 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
4526 * configure.ac: Check for sockatmark.
4527 * crossconfig.m4: Check for sockatmark.
4528 * config.h.in: Regenerate.
4529 * configure: Regenerate.
4530 * include/experimental/internet (address_v4::_S_hton): Rename
4531 overloaded functions to _S_hton_16 and _S_ntoh_16.
4532 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
4533 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
4534 * include/experimental/socket (basic_socket::at_mark): Check
4535 _GLIBCXX_HAVE_SOCKATMARK.
4537 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
4538 const variables instead of macros.
4541 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
4542 Use correct type for len_aligned.
4543 * testsuite/20_util/hash/89629.cc: New test.
4545 2019-03-11 Jakub Jelinek <jakub@redhat.com>
4548 * include/std/atomic (atomic<T>::store, atomic<T>::load,
4549 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
4550 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
4551 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
4552 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
4553 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
4554 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
4555 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
4556 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
4557 memory_order_seq_cst to int.
4559 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
4561 * doc/xml/manual/using.xml: Use link element instead of xref.
4562 * doc/html/*: Regenerate.
4564 * include/bits/fs_path.h (path::format): Add fixed underlying type.
4566 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
4569 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
4570 parameters in deduction guides.
4571 * include/debug/multimap.h (multimap): Likewise.
4572 * include/debug/set.h (multimap): Likewise.
4573 * include/debug/multiset.h (multimap): Likewise.
4574 * include/debug/unordered_map (unordered_map): Likewise.
4575 (unordered_multimap): Likewise.
4576 * include/debug/unordered_set (unordered_set): Likewise.
4577 (unordered_multiset): Likewise.
4580 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
4581 Invalidate all iterators in case of rehash.
4582 (unordered_multimap<>::_M_check_rehashed): Likewise.
4583 * include/debug/unordered_set
4584 (unordered_set<>::_M_check_rehashed): Likewise.
4585 (unordered_multiset<>::_M_check_rehashed): Likewise.
4586 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
4588 2019-03-07 Andreas Schwab <schwab@suse.de>
4590 * config/abi/post/riscv64-linux-gnu: New directory.
4591 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
4593 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
4595 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
4596 compile test to run. Fix typo.
4598 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
4599 * doc/html/*: Regenerate.
4601 P0356R5 Simplified partial function application
4602 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
4603 helpers for bind_front.
4604 (bind_front, __cpp_lib_bind_front): Define.
4605 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
4607 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4609 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
4610 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
4611 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
4612 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
4614 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
4616 PR libstdc++/86655 - std::assoc_legendre should not constrain
4617 the value of m (or x).
4618 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
4619 __sph_legendre): If degree > order Don't throw, return 0.
4620 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
4621 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
4622 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
4623 * testsuite/tr1/5_numerical_facilities/special_functions/
4624 02_assoc_legendre/pr86655.cc: New test.
4625 * testsuite/tr1/5_numerical_facilities/special_functions/
4626 22_sph_legendre/pr86655.cc: New test.
4628 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
4631 Also PR libstdc++/85517
4632 * include/std/variant (__do_visit): New.
4633 (__variant_cast): Likewise.
4634 (__variant_cookie): Likewise.
4635 (__erased_*): Remove.
4636 (_Variant_storage::_S_vtable): Likewise.
4637 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
4638 (_Variant_storage::__M_reset): Adjust.
4639 (__variant_construct): New.
4640 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
4641 __variant_construct.
4642 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
4643 (_Move_ctor_base::__M_destructive_copy): New.
4644 (_Move_ctor_base::__M_destructive_move): Adjust to use
4645 __variant_construct.
4646 (_Copy_assign_base::operator=): Adjust to use __do_visit.
4647 (_Copy_assign_alias): Adjust to check both copy assignment
4648 and copy construction for triviality.
4649 (_Move_assign_base::operator=): Adjust to use __do_visit.
4650 (_Multi_array): Add support for visitors that accept and return
4652 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
4653 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
4654 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
4655 a __variant_cookie temporary for a variant that is valueless and..
4656 (__gen_vtable_impl::__visit_invoke): ..adjust here.
4657 (__gen_vtable::_Array_type): Conditionally make space for
4658 the __variant_cookie visitor case.
4659 (__variant_construct_by_index): New.
4660 (get_if): Adjust to use std::addressof.
4661 (relops): Adjust to use __do_visit.
4662 (variant): Add __variant_cast and __variant_construct_by_index
4664 (variant::emplace): Use _M_reset() and __variant_construct_by_index
4665 instead of self-destruction.
4666 (variant::swap): Adjust to use __do_visit.
4667 (visit): Reimplement in terms of __do_visit.
4668 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
4669 * testsuite/20_util/variant/compile.cc: Adjust.
4670 * testsuite/20_util/variant/run.cc: Likewise.
4672 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4674 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
4676 * testsuite/experimental/feat-char8_t.cc: Likewise.
4678 * include/std/type_traits [C++20] (is_bounded_array)
4679 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
4681 * testsuite/20_util/is_bounded_array/requirements/
4682 explicit_instantiation.cc: New test.
4683 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
4685 * testsuite/20_util/is_bounded_array/value.cc: New test.
4686 * testsuite/20_util/is_unbounded_array/requirements/
4687 explicit_instantiation.cc: New test.
4688 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
4690 * testsuite/20_util/is_unbounded_array/value.cc: New test.
4692 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
4694 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
4696 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
4698 * include/c_compatibility/math.h [C++20] (lerp): Add using
4700 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
4701 (__lerp): Define function template to implement lerp.
4702 (lerp(float, float, float), lerp(double, double, double))
4703 (lerp(long double, long double, long double)): Define for C++20.
4704 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
4705 (midpoint(T, T), midpoint(T*, T*)): Define.
4706 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
4707 * testsuite/26_numerics/lerp.cc: New test.
4708 * testsuite/26_numerics/midpoint/floating.cc: New test.
4709 * testsuite/26_numerics/midpoint/integral.cc: New test.
4710 * testsuite/26_numerics/midpoint/pointer.cc: New test.
4712 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
4714 PR libstdc++/88996 Implement P0439R0
4715 Make std::memory_order a scoped enumeration.
4716 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
4717 add variables for the old enumerators. Adjust calls.
4718 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
4719 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
4721 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
4723 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
4726 * include/std/memory_resource (polymorphic_allocator): Add default
4727 template argument for C++20.
4728 (polymorphic_allocator::allocate_bytes)
4729 (polymorphic_allocator::deallocate_bytes)
4730 (polymorphic_allocator::allocate_object)
4731 (polymorphic_allocator::deallocate_object)
4732 (polymorphic_allocator::new_object)
4733 (polymorphic_allocator::delete_object): New member functions for
4735 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
4738 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
4741 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
4744 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
4746 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
4747 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
4749 * include/std/memory (uses_allocator_construction_args): New set of
4750 overloaded functions.
4751 (make_obj_using_allocator, uninitialized_construct_using_allocator):
4753 * include/std/memory_resource (polymorphic_allocator::construct)
4754 [__cplusplus > 201703l]: Replace all overloads with a single function
4755 using uses_allocator_construction_args.
4756 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
4758 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
4760 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
4763 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
4764 stylesheet directories before check for xsltproc. Try to use
4765 xmlcatalog to find local stylesheet directory before trying hardcoded
4766 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
4767 check to look for the same stylesheet as doc/Makefile.am uses. Don't
4768 use xsltproc if xmlcatalog fails to find a local stylesheet.
4769 * configure.ac: Check for xmlcatalog.
4770 * Makefile.in: Regenerate.
4771 * configure: Likewise.
4772 * doc/Makefile.in: Likewise.
4773 * include/Makefile.in: Likewise.
4774 * libsupc++/Makefile.in: Likewise.
4775 * po/Makefile.in: Likewise.
4776 * python/Makefile.in: Likewise.
4777 * src/Makefile.in: Likewise.
4778 * src/c++11/Makefile.in: Likewise.
4779 * src/c++17/Makefile.in: Likewise.
4780 * src/c++98/Makefile.in: Likewise.
4781 * src/filesystem/Makefile.in: Likewise.
4782 * testsuite/Makefile.in: Likewise.
4784 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
4787 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
4788 container deduction guides.
4789 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
4790 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
4791 parameters in deduction guides.
4792 * include/bits/stl_multimap.h (multimap): Likewise.
4793 * include/bits/stl_multiset.h (multiset): Likewise.
4794 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
4795 * include/bits/stl_set.h (set): Likewise.
4796 * include/bits/stl_stack.h (stack): Likewise.
4797 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
4798 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
4799 constrain parameters in deduction guides.
4800 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
4802 * testsuite/23_containers/map/cons/deduction.cc: Test additional
4804 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
4805 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
4806 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
4807 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
4809 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
4811 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
4814 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
4815 to class template and partial specialization using void_t.
4816 (__is_copy_insertable, __is_move_insertable): Adjust base class.
4818 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
4821 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
4822 copy and move members public.
4824 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
4826 * include/std/type_traits (__underlying_type_impl): New helper to
4827 make underlying_type SFINAE-friendly.
4828 (underlying_type): Derive from __underlying_type_impl.
4829 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
4833 * include/bits/char_traits.h (__constant_char_array): Check index is
4834 in range before dereferencing.
4835 (char_traits<char>::compare, char_traits<char>::find)
4836 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
4837 immediately if n is zero.
4838 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
4839 Remove workarounds for PR 67026.
4840 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
4842 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
4845 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4847 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
4848 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
4850 2019-02-22 Jakub Jelinek <jakub@redhat.com>
4853 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
4854 type to std::size_t and argument to type to long double.
4856 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4858 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
4859 * config/abi/post/sparc64-linux-gnu: New directory.
4860 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
4861 * config/abi/post/sparc64-linux-gnu/32: New directory.
4862 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
4864 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
4866 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
4867 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
4870 2019-02-22 Tom Honermann <tom@honermann.net>
4872 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
4873 printers for u8string and u8string_view.
4875 2019-02-22 Tom Honermann <tom@honermann.net>
4877 * testsuite/18_support/byte/ops.cc: Validate
4878 std::to_integer<char8_t>, std::to_integer<char16_t>, and
4879 std::to_integer<char32_t>.
4880 * testsuite/18_support/numeric_limits/dr559.cc: Validate
4881 std::numeric_limits<char8_t>.
4882 * testsuite/18_support/numeric_limits/lowest.cc: Validate
4883 std::numeric_limits<char8_t>::lowest().
4884 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
4885 std::numeric_limits<char8_t>::max_digits10.
4886 * testsuite/18_support/type_info/fundamental.cc: Validate
4887 typeinfo for char8_t.
4888 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
4889 std::from_chars with char8_t.
4890 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
4891 Validate explicit instantiation of std::hash<char8_t>.
4892 * testsuite/20_util/is_integral/value.cc: Validate
4893 std::is_integral<char8_t>.
4894 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
4895 Validate std::make_signed<char8_t>.
4896 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
4897 Validate u8string construction from char8_t sources.
4898 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
4900 * testsuite/21_strings/basic_string_view/operations/compare/
4901 char/70483.cc: Validate substr operations on u8string_view.
4902 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
4903 the u8string_view typedef is defined.
4904 * testsuite/21_strings/char_traits/requirements/
4905 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
4907 * testsuite/21_strings/char_traits/requirements/
4908 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
4909 constexpr member functions.
4910 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
4911 that the u8string typedef is defined.
4912 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
4913 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
4914 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
4915 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
4917 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
4918 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
4920 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
4921 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
4922 Validate std::atomic<char8_t>::is_always_lock_free
4923 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
4924 Update line numbers.
4925 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
4927 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
4929 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
4930 Validate std::experimental::pmr::u8string.
4931 * testsuite/experimental/string_view/typedefs.cc: Validate that the
4932 u8string_view typedef is defined.
4933 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
4934 char32_t to the typelists.
4936 2019-02-22 Tom Honermann <tom@honermann.net>
4938 * include/ext/typelist.h: Constrain a partial specialization of
4939 typelist::detail::append_ to only match chain<T1,T2>.
4941 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
4944 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
4945 class template with class. Replace move and copy member types with
4946 member alias templates, so they are only instantiated when needed.
4947 (__is_copy_insertable, __is_move_insertable): Adjust base class.
4948 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
4949 test for C++11/14/17 as well.
4950 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
4953 2019-02-20 Jakub Jelinek <jakub@redhat.com>
4956 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
4957 _GLIBCXX_PURE to the alias declaration.
4959 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
4961 * testsuite/21_strings/basic_string/literals/types.cc
4962 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
4963 * testsuite/21_strings/basic_string/literals/values.cc
4964 [_GLIBCXX_USE_CHAR8_T]: Likewise.
4965 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
4966 potentially having different type.
4967 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
4968 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
4970 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
4971 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
4972 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
4973 string literals only using basic character set.
4974 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
4975 u8 literals to char.
4976 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
4977 Test ATOMIC_CHAR8_T_LOCK_FREE.
4978 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
4979 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
4980 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
4981 * testsuite/experimental/string_view/literals/types.cc
4982 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
4984 * testsuite/experimental/string_view/literals/values.cc
4985 [_GLIBCXX_USE_CHAR8_T]: Likewise.
4987 2019-02-19 Tom Honermann <tom@honermann.net>
4989 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
4990 from char16_32_t.cc; validates numeric_limits<char8_t>.
4991 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
4992 test cloned from types.cc; validates operator""s for char8_t
4994 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
4995 test cloned from values.cc; validates construction and comparison
4997 * testsuite/21_strings/basic_string/requirements/
4998 /explicit_instantiation/char8_t/1.cc: New test cloned from
4999 char16_t/1.cc; validates explicit instantiation of
5000 basic_string<char8_t>.
5001 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
5002 New test cloned from types.cc; validates operator""sv for char8_t
5003 returns u8string_view.
5004 * testsuite/21_strings/basic_string_view/literals/
5005 values-char8_t.cc: New test cloned from values.cc; validates
5006 construction and comparison of u8string_view values.
5007 * testsuite/21_strings/basic_string_view/requirements/
5008 explicit_instantiation/char8_t/1.cc: New test cloned from
5009 char16_t/1.cc; validates explicit instantiation of
5010 basic_string_view<char8_t>.
5011 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
5012 New test cloned from char16_t/65049.cc; validates that
5013 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
5014 * testsuite/21_strings/char_traits/requirements/char8_t/
5015 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
5016 that char_traits<char8_t> member typedefs are present and correct.
5017 * testsuite/21_strings/char_traits/requirements/
5018 explicit_instantiation/char8_t/1.cc: New test cloned from
5019 char16_t/1.cc; validates explicit instantiation of
5020 char_traits<char8_t>.
5021 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
5022 from char16_t.cc: validates
5023 codecvt<char16_t, char8_t, mbstate_t>.
5024 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
5025 from char32_t.cc: validates
5026 codecvt<char32_t, char8_t, mbstate_t>.
5027 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
5028 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
5029 codecvt<char32_t, char8_t, std::mbstate_t>.
5030 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
5031 test cloned from string.cc; validates filesystem::path construction
5033 * testsuite/experimental/feat-char8_t.cc: New test; validates that
5034 the __cpp_lib_char8_t feature test macro is defined with the
5036 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
5037 New test cloned from string.cc; validates filesystem::path
5038 construction from char8_t input.
5039 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
5040 test cloned from types.cc; validates operator""sv for char8_t
5041 returns u8string_view.
5042 * testsuite/experimental/string_view/literals/values-char8_t.cc:
5043 New test cloned from values.cc; validates construction and
5044 comparison of u8string_view values.
5045 * testsuite/experimental/string_view/requirements/
5046 explicit_instantiation/char8_t/1.cc: New test cloned from
5047 char16_t/1.cc; validates explicit instantiation of
5048 basic_string_view<char8_t>.
5049 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
5050 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
5053 2019-02-19 Tom Honermann <tom@honermann.net>
5055 P0482R5 char8_t: Standard library support
5056 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
5057 typeinfo symbols for char8_t.
5058 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
5059 (GLIBCXX_3.4.26): Add symbols for specializations of
5060 numeric_limits and codecvt that involve char8_t.
5061 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
5062 * include/bits/atomic_base.h: Add atomic_char8_t.
5063 * include/bits/basic_string.h: Add std::hash<u8string> and
5064 operator""s(const char8_t*, size_t).
5065 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
5067 * include/bits/char_traits.h: Add char_traits<char8_t>.
5068 * include/bits/codecvt.h: Add
5069 codecvt<char16_t, char8_t, mbstate_t>,
5070 codecvt<char32_t, char8_t, mbstate_t>,
5071 codecvt_byname<char16_t, char8_t, mbstate_t>, and
5072 codecvt_byname<char32_t, char8_t, mbstate_t>.
5073 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
5074 recognize char8_t as an integral type.
5075 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
5077 (path::u8string): Return std::u8string when char8_t support is
5079 (path::generic_u8string): Likewise.
5080 (path::_S_convert): Handle conversion from char8_t input.
5081 (path::_S_str_convert): Likewise.
5082 * include/bits/functional_hash.h: Add hash<char8_t>.
5083 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
5085 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
5086 for new char8_t specializations.
5087 * include/bits/localefwd.h: Add missing declarations of
5088 codecvt<char16_t, char, mbstate_t> and
5089 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
5090 codecvt<char16_t, char8_t, mbstate_t> and
5091 codecvt<char32_t, char8_t, mbstate_t>.
5092 * include/bits/postypes.h: Add u8streampos
5093 * include/bits/stringfwd.h: Add declarations of
5094 char_traits<char8_t> and u8string.
5095 * include/c_global/cstddef: Add __byte_operand<char8_t>.
5096 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
5098 (path::u8string): Return std::u8string when char8_t support is
5100 (path::generic_u8string): Likewise.
5101 (path::_S_convert): Handle conversion from char8_t input.
5102 (path::_S_str_convert): Likewise.
5103 * include/experimental/string: Add u8string.
5104 * include/experimental/string_view: Add u8string_view,
5105 hash<experimental::u8string_view>, and
5106 operator""sv(const char8_t*, size_t).
5107 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
5108 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
5109 as a character type.
5110 * include/std/limits: Add numeric_limits<char8_t>.
5111 * include/std/string_view: Add u8string_view,
5112 hash<experimental::u8string_view>, and
5113 operator""sv(const char8_t*, size_t).
5114 * include/std/type_traits: Add __is_integral_helper<char8_t>,
5115 __make_unsigned<char8_t>, and __make_signed<char8_t>.
5116 * libsupc++/atomic_lockfree_defines.h: Define
5117 ATOMIC_CHAR8_T_LOCK_FREE.
5118 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
5119 codecvt.cc and limits.cc so that char8_t specializations of
5120 numeric_limits and codecvt and emitted.
5121 * src/c++11/Makefile.in: Likewise.
5122 * src/c++11/codecvt.cc: Define members of
5123 codecvt<char16_t, char8_t, mbstate_t>,
5124 codecvt<char32_t, char8_t, mbstate_t>,
5125 codecvt_byname<char16_t, char8_t, mbstate_t>, and
5126 codecvt_byname<char32_t, char8_t, mbstate_t>.
5127 * src/c++11/limits.cc: Define members of
5128 numeric_limits<char8_t>.
5129 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
5130 locale_init.cc and localename.cc.
5131 * src/c++98/Makefile.in: Likewise.
5132 * src/c++98/locale_init.cc: Add initialization for the
5133 codecvt<char16_t, char8_t, mbstate_t> and
5134 codecvt<char32_t, char8_t, mbstate_t> facets.
5135 * src/c++98/localename.cc: Likewise.
5136 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
5138 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
5140 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
5141 * 27_io/filesystem/operations/resize_file.cc: Likewise.
5142 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
5144 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
5146 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
5147 * doc/html/*: Regenerate.
5149 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
5150 * doc/html/*: Regenerate.
5152 * doc/xml/manual/intro.xml: Document LWG 2586 status.
5153 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
5154 allocator type in is_constructible checks.
5155 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
5156 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
5157 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
5158 problematic type from LWG 2586 discussion.
5159 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
5160 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
5162 * configure.ac: Check for C11 timespec_get function.
5163 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
5165 * config.h.in: Regenerate.
5166 * configure: Regenerate.
5167 * include/c_global/ctime (timespec, timespec_get): Add to namespace
5168 std for C++17 and up.
5170 * doc/xml/manual/intro.xml: Document LWG 2537 status.
5171 * include/bits/stl_queue.h
5172 (priority_queue(const Compare&, const Container&, const Alloc&))
5173 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
5175 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
5177 * doc/xml/manual/intro.xml: Document LWG 2566 status.
5178 * include/bits/stl_queue.h (queue, priority_queue): Add static
5179 assertions to enforce LWG 2566 requirement on value_type.
5180 * include/bits/stl_stack.h (stack): Likewise.
5183 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
5185 * doc/xml/manual/intro.xml: Document LWG 2735 status.
5186 * include/bits/std_abs.h: Add comment about LWG 2735.
5187 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
5189 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
5192 * include/std/version [__cpp_impl_destroying_delete]
5193 (__cpp_lib_destroying_delete): Only define for C++2a and later.
5194 * libsupc++/new [__cpp_impl_destroying_delete]
5195 (__cpp_lib_destroying_delete): Likewise.
5196 (destroying_delete_t, destroying_delete): Likewise, but define even
5197 when __cpp_impl_destroying_delete is not defined.
5198 * testsuite/18_support/destroying_delete.cc: New test.
5200 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
5203 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
5204 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
5205 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
5206 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
5208 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
5211 * include/bits/fs_path.h (path::has_root_name)
5212 (path::has_root_directory, path::has_root_path)
5213 (path::has_relative_path, path::has_parent_path)
5214 (path::has_filename, path::has_stem, path::has_extension)
5215 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
5217 * src/c++17/fs_path.cc (path::has_root_name)
5218 (path::has_root_directory, path::has_root_path)
5219 (path::has_relative_path, path::has_parent_path)
5220 (path::has_filename, path::_M_find_extension): Add noexcept.
5222 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
5224 PR libstdc++/89102 (partial)
5225 * include/std/type_traits (common_type<>): Define.
5226 (common_type<T>): Derive from common_type<T, T>.
5227 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
5228 Test zero-length template argument list.
5229 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
5230 Test additional single argument cases.
5231 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
5232 Adjust expected error.
5234 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
5237 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
5239 * include/bits/stl_stack.h (stack): Likewise.
5240 * testsuite/23_containers/priority_queue/deduction.cc: New test.
5241 * testsuite/23_containers/queue/deduction.cc: New test.
5242 * testsuite/23_containers/stack/deduction.cc: New test.
5245 * include/std/type_traits (__is_convertible_helper)
5246 (__is_convertible_helper<_From, _To, false>): Revert changes to
5247 support is_nothrow_convertible.
5248 (__is_nt_convertible_helper): New helper.
5249 (is_nothrow_convertible): Use __is_nt_convertible_helper.
5251 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
5252 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
5255 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
5256 __is_alloc_insertable_impl. Replace single type member with two
5257 members, one for each of copy and move insertable.
5258 (__is_move_insertable): New trait for internal use.
5259 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
5260 (vector::_S_nothrow_relocate(true_type)): New functions to
5261 conditionally check if __relocate_a can throw.
5262 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
5263 on __is_move_insertable.
5264 (vector::_S_do_relocate): New overloaded functions to conditionally
5266 (vector::_S_relocate): New function that dispatches to _S_do_relocate
5267 based on _S_use_relocate.
5268 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
5269 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
5270 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
5273 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
5274 parameter unnamed. Add message to static assertion.
5275 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
5276 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
5279 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
5282 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
5284 (__is_bitwise_relocatable): ... to this.
5285 (__relocate_a_1): Adapt.
5286 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
5287 (__is_bitwise_relocatable): ... to this.
5289 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
5292 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
5293 final component as well as from _M_pathname. Append the dot using
5294 operator+= instead of only to _M_pathname.
5295 (path::_M_find_extension): Reformat slightly.
5296 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
5297 Add more test cases.
5299 2019-01-30 Ulrich Drepper <drepper@redhat.com>
5301 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
5303 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
5305 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
5306 constexpr specifiers from arg and proj.
5308 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
5309 __shared_ptr instantiations used by gcc4-compatible ABI.
5311 * include/experimental/forward_list (experimental::erase): Qualify
5313 * include/experimental/list (experimental::erase): Likewise.
5314 * include/std/forward_list (std::erase): Likewise.
5315 * include/std/list (std::erase): Likewise.
5317 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
5319 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
5320 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
5321 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
5322 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
5323 * testsuite/ext/array_allocator/26875.cc: Likewise.
5324 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
5325 * testsuite/util/replacement_memory_operators.h: Likewise.
5326 * testsuite/util/testsuite_allocator.h: Likewise.
5328 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
5329 normal mode vector, even for debug mode.
5330 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
5331 Define alias template for normal mode vector.
5333 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
5336 * config/locale/generic/c_locale.h (__convert_from_v)
5337 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
5338 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
5339 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
5340 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
5342 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
5345 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
5346 data member with static member function _S_use_relocate().
5347 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
5348 (vector::_M_default_append): Use _S_use_relocate() instead of
5351 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
5354 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
5357 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
5358 write to stderr instead of using printf.
5360 2019-01-21 Jakub Jelinek <jakub@redhat.com>
5363 * include/bits/char_traits.h (__constant_string_p,
5364 __constant_char_array_p): Use __builtin_is_constant_evaluated if
5367 2019-01-20 Ulrich Drepper <drepper@redhat.com>
5369 Implement C++20 P0600r1.
5370 * include/backward/hash_map: Add nodiscard attribute to empty.
5371 * include/backward/hash_set: Likewise.
5372 * backward/hashtable.h: Likewise.
5373 * include/bits/basic_string.h: Likewise.
5374 * include/bits/forward_list.h: Likewise.
5375 * include/bits/hashtable.h: Likewise.
5376 * include/bits/regex.h: Likewise.
5377 * include/bits/stl_deque.h: Likewise.
5378 * include/bits/stl_list.h: Likewise.
5379 * include/bits/stl_map.h: Likewise.
5380 * include/bits/stl_multimap.h: Likewise.
5381 * include/bits/stl_multiset.h: Likewise.
5382 * include/bits/stl_queue.h: Likewise.
5383 * include/bits/stl_set.h: Likewise.
5384 * include/bits/stl_stack.h: Likewise.
5385 * include/bits/stl_tree.h: Likewise.
5386 * include/bits/stl_vector.h: Likewise.
5387 * include/bits/unordered_map.h: Likewise.
5388 * include/bits/unordered_set.h: Likewise.
5389 * include/debug/array: Likewise.
5390 * include/experimental/any: Likewise.
5391 * include/experimental/bits/fs_path.h: Likewise.
5392 * include/experimental/internet: Likewise.
5393 * include/experimental/string_view: Likewise.
5394 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
5396 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
5398 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
5400 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
5402 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
5404 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
5406 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
5408 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
5410 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
5411 info_fn_imps.hpp: Likewise.
5412 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
5413 left_child_next_sibling_heap_.hpp: Likewise.
5414 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
5416 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
5418 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
5420 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
5422 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
5424 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
5426 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
5428 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
5429 * include/ext/pb_ds/trie_policy.hpp: Likewise.
5430 * include/ext/rope: Likewise.
5431 * include/ext/slist: Likewise.
5432 * include/ext/vstring.h: Likewise.
5433 * include/profile/array: Likewise.
5434 * include/std/array: Likewise.
5435 * include/tr1/array: Likewise.
5436 * include/tr1/hashtable.h: Likewise.
5437 * include/tr1/regex: Likewise.
5438 * include/tr2/dynamic_bitset: Likewise.
5439 * include/bits/alloc_traits.h: Add nodiscard attribute to
5441 * include/experimental/memory_resource: Likewise.
5442 * include/ext/alloc_traits.h: Likewise.
5443 * include/ext/array_allocator.h: Likewise.
5444 * include/ext/bitmap_allocator.h: Likewise.
5445 * include/ext/debug_allocator.h: Likewise.
5446 * include/ext/extptr_allocator.h: Likewise.
5447 * include/ext/mt_allocator.h: Likewise.
5448 * include/ext/new_allocator.h: Likewise.
5449 * include/ext/pool_allocator.h: Likewise.
5450 * include/ext/throw_allocator.h: Likewise.
5451 * include/std/scoped_allocator: Likewise.
5452 * libsupc++/eh_alloc.cc: Likewise.
5453 * include/std/future: Add nodiscard attribute to async.
5454 * libsupc++/new: Add nodiscard attribute to new.
5456 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
5461 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
5462 * include/bits/shared_ptr.h
5463 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
5464 (allocate_shared): Change to use new tag type.
5465 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
5466 Declare new member function.
5467 (_Sp_alloc_shared_tag): Define new type.
5468 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
5469 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
5470 _Sp_make_shared_tag::_S_eq to check type_info.
5471 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
5472 Constrain to prevent being called with _Sp_alloc_shared_tag.
5473 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
5474 Replace constructor with ...
5475 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
5476 reference parameter so address of the new object can be returned to
5477 the caller. Obtain the allocator from the tag type.
5478 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
5479 constructor with ...
5480 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
5481 to the __shared_count constructor.
5482 (__allocate_shared): Change to use new tag type.
5483 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
5485 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
5487 * src/c++17/fs_ops.cc
5488 (equivalent(const path&, const path&, error_code&))
5489 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
5490 compare files instead of relying on incomplete info returned by stat.
5493 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
5494 if the path is already absolute.
5495 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
5496 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
5499 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
5500 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
5501 of filesystem::exists.
5502 (create_directories(const path&, error_code&)): Add assertions.
5503 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
5504 Add workaround for bug in _wstat for paths with trailing slash.
5505 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
5506 for expected behaviour on mingw.
5507 * testsuite/experimental/filesystem/operations/create_directories.cc:
5509 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
5510 "TMP" instead of "TMPDIR" and clean environment before each test. Do
5511 not test permissions on mingw targets.
5513 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
5515 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
5516 constructors and open members taking wide strings. Fix patterns for
5517 filesystem::path members to match wstring_view parameters. Add
5518 exports for shared_ptr members used by directory iterators.
5519 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
5520 error code parameter if the file doesn't exist.
5521 * src/filesystem/ops.cc (remove(const path&, error_code&)):
5523 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
5524 values for mingw targets, where "/" is not an absolute path. Do not
5525 test symlinks on mingw targets.
5526 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
5527 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
5529 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
5530 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
5531 that each component of the path is created.
5532 * testsuite/experimental/filesystem/operations/create_directories.cc:
5534 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
5535 permissions on mingw targets.
5536 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
5537 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
5538 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
5539 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
5541 * testsuite/experimental/filesystem/operations/permissions.cc:
5543 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
5544 symlinks or permissions on mingw targets.
5545 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
5546 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
5547 symlinks on mingw targets.
5548 * testsuite/experimental/filesystem/operations/remove_all.cc:
5550 * testsuite/27_io/filesystem/operations/status.cc: Do not test
5551 permissions on mingw targets.
5552 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
5553 test symlinks on mingw targets.
5554 * testsuite/experimental/filesystem/operations/space.cc: Fix test
5557 2019-02-14 Ulrich Drepper <drepper@redhat.com>
5560 Warn about unused comparisons of shared_ptr/unique_ptr
5561 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
5562 * include/bits/shared_ptr.h: Use it for operator ==, !=,
5563 <, <=, >, >= for shared_ptr.
5564 * include/bits/unique_ptr.h: Likewise for unique_ptr.
5566 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
5568 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
5569 as 201611L, because P0497R0 changes are supported.
5570 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
5572 * include/bits/erase_if.h [__cplusplus > 201703L]
5573 (__cpp_lib_erase_if): Only define for C++2a.
5574 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5575 (__cpp_lib_null_iterators): Define.
5576 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5577 (__cpp_lib_null_iterators): Define.
5578 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
5580 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
5582 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
5584 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
5585 changes are supported.
5586 * include/std/optional (__cpp_lib_optional): Likewise.
5587 * include/std/variant (__cpp_lib_variant): Likewise.
5588 * include/std/version [!__STRICT_ANSI__]
5589 (__cpp_lib_uncaught_exceptions): Define as long integer.
5590 [__cplusplus >= 201703L] (__cpp_lib_any)
5591 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
5592 (__cpp_lib_variant): Define for C++17.
5593 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
5595 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
5598 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
5600 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
5604 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
5606 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
5609 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5611 * doc/xml/manual/intro.xml: Include new section.
5612 * doc/xml/manual/status_cxx2017.xml: Document more
5613 implementation-defined properties of the library.
5614 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
5615 * doc/html/*: Regenerate.
5617 * include/bits/refwrap.h [__cplusplus > 201703L]
5618 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
5619 (_Reference_wrapper_base_memfun): Do not define for C++2a.
5620 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
5622 (reference_wrapper::operator()): Add static assertion.
5623 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
5625 * include/std/chrono (duration_values::zero(), duration_values::min())
5626 (duration_values::max()): Add noexcept.
5627 (duration::zero(), duration::min(), duration::max()): Likewise.
5628 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
5629 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
5630 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
5632 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
5634 2019-01-11 Jakub Jelinek <jakub@redhat.com>
5636 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
5637 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
5639 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5642 * include/bits/functional_hash.h (hash<nullptr_t>): Define
5643 specialization for C++17 (P0513R0, LWG 2817).
5644 * testsuite/20_util/hash/nullptr.cc: New test.
5647 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
5648 pattern for std::basic_stringbuf::str().
5650 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
5651 basic_ostream::operator<< patterns.
5653 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
5655 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
5656 test failures on targets with 32-bit time_t.
5658 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
5659 * include/std/deque: Likewise.
5660 * include/std/forward_list: Likewise.
5661 * include/std/list: Likewise.
5662 * include/std/string: Likewise.
5663 * include/std/vector: Likewise.
5664 * include/std/version: Likewise.
5665 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
5666 * testsuite/23_containers/deque/erasure.cc: Likewise.
5667 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
5668 * testsuite/23_containers/list/erasure.cc: Likewise.
5669 * testsuite/23_containers/map/erasure.cc: Likewise.
5670 * testsuite/23_containers/set/erasure.cc: Likewise.
5671 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
5672 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
5673 * testsuite/23_containers/vector/erasure.cc: Likewise.
5675 * include/experimental/internet [AI_NUMERICSERV]
5676 (resolver_base::numeric_service): Define conditionally.
5677 * testsuite/experimental/net/internet/resolver/base.cc: Test it
5679 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
5682 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
5683 Jonathan Wakely <jwakely@redhat.com>
5686 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
5687 (GLIBCXX_3.4.26): Add new exports.
5688 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
5689 correct list of sources.
5690 * include/Makefile.in: Regenerate.
5691 * include/std/ostream (operator<<(nullptr_t)): New member function.
5692 * src/c++17/ostream-inst.cc: New file.
5693 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
5696 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
5698 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
5699 of the source file containing the caller.
5700 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
5701 directories created by test.
5702 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
5704 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
5706 * testsuite/experimental/filesystem/iterators/
5707 recursive_directory_iterator.cc: Likewise.
5709 2019-01-10 Jakub Jelinek <jakub@redhat.com>
5711 PR tree-optimization/88775
5712 * include/bits/stl_function.h (greater<_Tp*>::operator(),
5713 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
5714 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
5715 instead of __builtin_constant_p if available. Don't bother with
5716 the pointer comparison in C++11 and earlier.
5718 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
5722 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
5725 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
5727 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
5728 for filesystem::path. Give variables more distinctive names.
5730 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
5731 member function to perform non-trivial assignment.
5732 (_Optional_payload_base::_M_move_assign): Likewise.
5733 (_Optional_payload<T, true, false, true>::operator=)
5734 (_Optional_payload<T, true, true, false>::operator=)
5735 (_Optional_payload<T, true, false, false>::operator=): Call
5736 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
5739 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
5740 test std::complex<long double> if long double format is IBM128.
5741 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
5744 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5746 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
5747 for old std::unique_ptr layout.
5748 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
5749 to become valueless. Add filesystem::path tests.
5752 * include/std/optional (_Optional_payload_base): New class template
5753 for common code hoisted from _Optional_payload specializations. Use
5754 a template for the union, to allow a partial specialization for
5755 types with non-trivial destructors. Add constructors for in-place
5756 initialization to the union.
5757 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
5758 to perform non-trivial copy construction, instead of relying on
5759 non-standard copy elision in a delegating constructor.
5760 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
5761 non-trivial move construction.
5762 (_Optional_payload): Derive from _Optional_payload_base and use it
5763 for everything except the non-trivial assignment operators, which are
5765 (_Optional_payload<false, C, M>): Derive from the specialization
5766 _Optional_payload<true, false, false> and add a destructor.
5767 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
5768 Forward to corresponding members of _Optional_payload.
5769 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
5770 Hoist common members from _Optional_base.
5771 (_Optional_base): Make all members and base class public.
5772 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
5773 _Optional_base_impl.
5774 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
5775 support for new std::optional layout.
5776 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
5779 * include/bits/locale_conv.h: Use <> for includes not "".
5780 * include/ext/random: Likewise.
5781 * include/ext/vstring.h: Likewise.
5783 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5785 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
5786 (GLIBCXX_3.4.21): Likewise.
5788 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5791 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
5792 to match the one that controls whether utimbuf and utime are declared.
5794 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
5797 * include/bits/char_traits.h (char_traits::move): Do not pass null
5798 pointers to memmove.
5799 * include/bits/locale_facets.h
5800 (ctype<char>::widen(const char*, const char*, char*)): Do not
5801 pass null pointers to memcpy.
5802 (ctype<char>::narrow(const char*, const char*, char, char*)):
5804 (ctype<char>::do_widen(const char*, const char*, char*)):
5806 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
5809 * doc/xml/manual/spine.xml: Update copyright years.
5810 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
5811 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
5812 for C++17 filesystem library.
5813 * doc/html/*: Regenerate.
5815 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
5816 * config.h.in: Regenerate.
5817 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
5818 alphabetically and add missing entries for copy_symlink,
5819 hard_link_count, rename, and resize_file.
5820 * configure: Regenerate.
5821 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
5822 used unconditionally.
5823 * src/filesystem/ops-common.h (__gnu_posix::truncate)
5824 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
5825 supports truncating to zero length.
5826 * testsuite/27_io/filesystem/operations/all.cc: New test.
5827 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
5829 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
5832 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
5833 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
5834 * config.h.in: Regenerate.
5835 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
5836 remaining std::filesystem types and functions.
5837 * configure: Regenerate.
5838 * src/c++17/Makefile.am: Add C++17 filesystem sources.
5839 * src/c++17/Makefile.in: Regenerate.
5840 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
5841 here, and change name of included file.
5842 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
5843 here, and change name of included file.
5844 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
5845 path to dir-common.h.
5846 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
5847 path to ops-common.h. Disable -Wunused-parameter warnings.
5848 (internal_file_clock): Define unconditionally.
5849 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
5851 (do_copy_file, do_space): Move definitions to ops.common.h.
5852 (copy, file_size, hard_link_count, last_write_time, space): Only
5853 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
5855 (last_write_time, read_symlink): Remove unused attributes from
5857 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
5858 * src/filesystem/Makefile.in: Regenerate.
5859 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
5860 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
5861 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
5862 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
5863 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
5864 dummy types and functions instead of using #error.
5865 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
5866 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
5868 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
5869 (do_copy_file, do_space): Move definitions here from std-ops.cc.
5870 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
5871 to account for new namespace.
5872 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
5873 -lstdc++fs from dg-options.
5874 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
5875 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
5876 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
5877 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
5878 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
5880 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
5881 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
5883 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
5884 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
5885 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
5886 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
5887 * testsuite/27_io/filesystem/operations/create_directories.cc:
5889 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
5890 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
5891 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
5892 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
5893 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
5894 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
5895 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
5896 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
5897 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
5898 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
5899 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
5900 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
5901 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
5902 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
5903 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
5904 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
5905 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
5906 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
5908 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
5912 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
5913 typeinfo and vtables less greedy.
5914 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
5915 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
5916 * src/c++17/Makefile.in: Regenerate.
5917 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
5918 here, and change name of included file.
5919 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
5920 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
5922 * src/filesystem/Makefile.in: Regenerate.
5923 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
5924 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
5925 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
5926 from dg-options and remove dg-require-filesystem-ts.
5927 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
5928 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
5929 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
5930 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
5931 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
5932 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
5933 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
5934 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
5935 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
5936 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
5937 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
5938 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
5939 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
5940 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
5941 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
5942 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
5943 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
5944 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
5945 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
5946 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
5947 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
5949 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
5950 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
5951 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
5952 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
5953 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
5954 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
5955 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
5956 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
5957 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
5958 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
5959 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
5960 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
5962 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
5964 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
5966 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
5968 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
5969 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
5970 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
5971 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
5972 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
5973 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
5974 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
5975 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
5976 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
5977 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
5979 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
5980 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
5981 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
5982 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
5983 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
5986 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
5987 Check is_trivially_copyable instead of is_scalar.
5988 (variant::emplace<N, Args>(Args&&...)): If construction of the new
5989 contained value can throw and its type is trivially copyable then
5990 construct into a temporary variant and move from it, to provide the
5991 strong exception safety guarantee.
5992 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
5994 * testsuite/20_util/variant/87431.cc: New test.
5995 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
5996 conversion causes valueless state.
5999 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
6000 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
6001 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
6002 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
6003 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
6005 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
6007 * include/bits/fs_fwd.h (__file_clock): Define new clock.
6008 (file_time_type): Redefine in terms of __file_clock.
6009 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
6011 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
6013 (internal_file_lock): New helper type for accessing __file_clock.
6014 (do_copy_file): Use internal_file_lock to convert system time to
6016 (last_write_time(const path&, error_code&)): Likewise.
6017 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
6019 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
6021 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
6022 for const member functions of std::basic_string.
6023 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
6025 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
6026 Make non-standard constructor private.
6027 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
6029 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
6030 explicit instantiations for C++17 as well as earlier dialects.
6031 * src/c++17/Makefile.am: Add new source files.
6032 * src/c++17/Makefile.in: Regenerate.
6033 * src/c++17/cow-string-inst.cc: New file defining explicit
6034 instantiations for basic_string member functions added in C++17.
6035 * src/c++17/string-inst.cc: Likewise.
6037 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
6038 copy/move constructors for old std::basic_string.
6039 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
6040 (basic_string::reference, basic_string::const_reference): Define
6041 as plain references for C++11 and later.
6042 (basic_string::basic_string()): Put constructor body outside
6043 preprocessor conditional groups.
6044 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
6045 instead of copying it.
6046 (basic_string::basic_string(const basic_string&, const _Alloc&)):
6048 (basic_string::basic_string(basic_string&&, const _Alloc&)):
6050 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
6051 cases for old basic_string.
6052 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
6053 allocator-extended constructors unconditionally. Add extra members to
6054 allocator type when using old string ABI.
6055 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
6057 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
6059 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
6060 -fno-inline added to test flags.
6062 * testsuite/21_strings/basic_string/requirements/
6063 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
6065 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
6066 assertion failures with old std::string ABI.
6068 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
6070 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
6071 functions that will only erase elements at the end.
6072 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
6073 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
6074 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
6076 (path::_List::pop_back()): Define.
6077 (path::_List::_M_erase_from(const_iterator)): Define.
6078 (path::operator/=(const path&)): Use pop_back to remove last component
6079 and _M_erase_from to remove multiple components.
6080 (path::_M_append(basic_string_view<value_type>)): Likewise.
6081 (path::operator+=(const path&)): Likewise.
6082 (path::_M_concat(basic_string_view<value_type>)): Likewise.
6083 (path::remove_filename()): Likewise.
6084 (path::lexically_normal()): Use _List::_Impl iterators instead of
6085 path::iterator. Use pop_back to remove components from the end. Clear
6086 trailing filename, instead of using erase(const_iterator) to remove
6087 a non-final component.
6088 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
6090 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
6092 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
6093 incorrect treatment of empty filename after trailing slash.
6094 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
6096 * testsuite/21_strings/basic_string/modifiers/assign/char/
6097 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
6099 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
6100 move_assign_optim.cc: Likewise.
6102 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
6103 Jakub Jelinek <jakub@redhat.com>
6106 * include/experimental/memory: Replace UTF-8 quote characters.
6107 * include/std/future: Replace UTF-8 "em dash" characters.
6109 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
6112 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
6113 * include/debug/forward_list: Likewise.
6114 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
6116 * include/experimental/chrono: Likewise.
6117 * include/experimental/functional: Likewise.
6118 * include/experimental/ratio: Likewise.
6119 * include/experimental/system_error: Likewise.
6120 * include/experimental/tuple: Likewise.
6121 * include/experimental/type_traits: Likewise.
6122 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
6123 * include/parallel/multiseq_selection.h: Likewise.
6126 * config/abi/pre/gnu.ver: Add missing exports.
6127 * testsuite/22_locale/collate_byname/88681.cc: New test.
6128 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
6129 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
6131 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
6133 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
6134 initializer_list<value_type> and from input iterator ranges.
6135 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
6137 * testsuite/experimental/string_view/element_access/char/empty.cc:
6138 Fix year range in copyright header.
6140 2019-01-02 Joel Brobecker <brobecker@adacore.com>
6142 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
6143 Fix year range in copyright header.
6145 2019-01-01 Jakub Jelinek <jakub@redhat.com>
6147 Update copyright years.
6149 Copyright (C) 2019 Free Software Foundation, Inc.
6151 Copying and distribution of this file, with or without modification,
6152 are permitted in any medium without royalty provided the copyright
6153 notice and this notice are preserved.