1 2019-10-23 Jonathan Wakely <jwakely@redhat.com>
3 * include/std/functional (invoke): Add constexpr for C++20.
4 * include/std/version (__cpp_lib_constexpr_invoke): Define.
5 * testsuite/20_util/function_objects/invoke/constexpr.cc: New test.
7 PR c++/91369 Implement P0784R7 changes to allocation and construction
8 * include/bits/alloc_traits.h: Include <bits/stl_construct.h>.
9 (allocator_traits::_S_allocate, allocator_traits::_S_construct)
10 (allocator_traits::_S_destroy, allocator_traits::_S_max_size)
11 (allocator_traits::_S_select, allocator_traits::allocate)
12 (allocator_traits::deallocate, allocator_traits::construct)
13 (allocator_traits::destroy, allocator_traits::max_size)
14 (allocator_traits::select_on_container_copy_construction)
15 (allocator_traits<allocator<T>>): Add constexpr specifier for C++20.
16 (allocator_traits<allocator<T>>::construct): Use construct_at.
17 (allocator_traits<allocator<T>>::destroy): Use destroy_at.
18 (__alloc_on_copy, __alloc_on_move, __alloc_on_swap): Add constexpr
20 (_Destroy(ForwardIterator, ForwardIterator, Alloc&))
21 (_Destroy(ForwardIterator, ForwardIterator, allocator<T>&)): Move here
22 from <bits/stl_construct.h>.
23 * include/bits/allocator.h (allocator::~allocator): Remove for C++20.
24 (allocator::allocate, allocate::deallocate): Define for C++20 and up.
25 (operator==, operator!=): Add constexpr specifier for C++20.
26 * include/bits/stl_construct.h: Don't include <ext/alloc_traits.h>.
27 (destroy_at): For C++20 add constexpr specifier and support for
29 (construct_at): Define new function for C++20.
30 (_Construct): Return result of placement new-expression. For C++11 and
31 up add constexpr. For C++20 dispatch to std::construct_at during
33 (_Destroy(pointer)): Add constexpr specifier. For C++20 dispatch to
34 std::destroy_at during constant evaluation.
35 (_Destroy_aux::__destroy, _Destroy_n_aux::__destroy_n): Add constexpr
37 (_Destroy(ForwardIterator, ForwardIterator))
38 (_Destroy(ForwardIterator, Size)): Likewise. Do not elide trivial
39 destructors during constant evaluation.
40 (destroy, destroy_n): Add constexpr specifier for C++20.
41 (_Destroy(ForwardIterator, ForwardIterator, Alloc&))
42 (_Destroy(ForwardIterator, ForwardIterator, allocator<T>&)): Move to
43 <bits/alloc_traits.h>, to remove dependency on allocators.
44 * include/bits/stl_uninitialized.h: Include <ext/alloc_traits.h>.
45 Include <bits/stl_pair.h> instead of <utility>.
46 * include/ext/alloc_traits.h: Always include <bits/alloc_traits.h>.
47 (__alloc_traits::construct, __alloc_traits::destroy)
48 (__alloc_traits::_S_select_on_copy, __alloc_traits::_S_on_swap): Add
50 * include/ext/malloc_allocator.h (operator==, operator!=): Add
51 constexpr specifier for C++20.
52 * include/ext/new_allocator.h (operator==, operator!=): Likewise.
53 * testsuite/20_util/headers/memory/synopsis.cc: Add constexpr.
54 * testsuite/20_util/scoped_allocator/69293_neg.cc: Ignore additional
55 errors due to constexpr function called after failed static_assert.
56 * testsuite/20_util/specialized_algorithms/construct_at/1.cc: New test.
57 * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
58 Ignore additional errors due to constexpr function called after failed
60 * testsuite/23_containers/vector/cons/destructible_neg.cc: Likewise.
62 * testsuite/20_util/bind/91371.cc: Fix test to compile as C++11.
64 * include/debug/helper_functions.h (__valid_range): Change
65 _GLIBCXX_CONSTEXPR to _GLIBCXX14_CONSTEXPR.
67 * include/ext/throw_allocator.h (throw_allocator_base): Qualify
70 * include/ext/pb_ds/detail/bin_search_tree_/bin_search_tree_.hpp:
71 Use detail::rebind_traits.
72 * include/ext/pb_ds/detail/bin_search_tree_/node_iterators.hpp:
74 * include/ext/pb_ds/detail/bin_search_tree_/traits.hpp: Likewise.
75 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp: Likewise.
76 * include/ext/pb_ds/detail/binary_heap_/entry_cmp.hpp: Likewise.
77 * include/ext/pb_ds/detail/binary_heap_/entry_pred.hpp: Likewise.
78 * include/ext/pb_ds/detail/binary_heap_/point_const_iterator.hpp:
80 * include/ext/pb_ds/detail/binomial_heap_base_/binomial_heap_base_.hpp:
82 * include/ext/pb_ds/detail/branch_policy/branch_policy.hpp: Likewise.
83 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp: Likewise.
84 * include/ext/pb_ds/detail/cond_dealtor.hpp: Likewise.
85 * include/ext/pb_ds/detail/eq_fn/hash_eq_fn.hpp (has_eq_fn): Likewise.
86 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp: Likewise.
87 * include/ext/pb_ds/detail/hash_fn/ranged_hash_fn.hpp: Likewise.
88 * include/ext/pb_ds/detail/hash_fn/ranged_probe_fn.hpp: Likewise.
89 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
90 left_child_next_sibling_heap_.hpp: Likewise.
91 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/node.hpp:
93 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
94 point_const_iterator.hpp: Likewise.
95 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp: Likewise.
96 * include/ext/pb_ds/detail/ov_tree_map_/
97 constructors_destructor_fn_imps.hpp: Likewise.
98 * include/ext/pb_ds/detail/ov_tree_map_/node_iterators.hpp: Likewise.
99 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hpp: Likewise.
100 * include/ext/pb_ds/detail/pairing_heap_/pairing_heap_.hpp: Likewise.
101 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp: Likewise.
102 * include/ext/pb_ds/detail/pat_trie_/pat_trie_base.hpp: Likewise.
103 * include/ext/pb_ds/detail/rb_tree_map_/node.hpp: Likewise.
104 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp: Likewise.
105 * include/ext/pb_ds/detail/splay_tree_/node.hpp: Likewise.
106 * include/ext/pb_ds/detail/thin_heap_/thin_heap_.hpp: Likewise.
107 * include/ext/pb_ds/detail/trie_policy/sample_trie_access_traits.hpp:
109 * include/ext/pb_ds/detail/type_utils.hpp: Fix typo in comment.
110 * include/ext/pb_ds/detail/types_traits.hpp (stored_value): Add
111 bool parameter to control whether the hash value is stored.
112 (select_base_type): New class template and partial specialization.
113 (maybe_null_type): Likewise.
114 (rebind_traits): New class template.
115 (type_base): Remove four nearly identical specializations.
116 (type_dispatch): Remove.
117 (type_traits): Use select_base_type and maybe_null_type instead of
118 type_base to control differences between specializations.
119 * include/ext/pb_ds/list_update_policy.hpp: Use detail::rebind_traits.
120 * include/ext/pb_ds/priority_queue.hpp: Likewise.
121 * include/ext/pb_ds/tree_policy.hpp: Likewise.
122 * include/ext/pb_ds/trie_policy.hpp: Likewise.
124 * include/backward/hash_set (hash_set): Use __alloc_traits.
125 * include/backward/hashtable.h (_Hashtable): Likewise.
126 * include/ext/alloc_traits.h (__alloc_traits::allocate): Add overload
128 * include/ext/extptr_allocator.h (_ExtPtr_allocator::allocate): Ignore
130 * include/ext/slist (_Slist_base): Use __alloc_traits.
131 * include/tr1/hashtable.h (_Hashtable): Likewise.
132 * include/tr1/regex (match_results): Use vector::const_reference
133 instead of assuming the allocator defines it.
134 * testsuite/backward/hash_map/23528.cc: Use allocator_traits in C++11.
135 * testsuite/tr1/6_containers/unordered_map/capacity/29134-map.cc: Use
136 __gnu_test::max_size.
137 * testsuite/tr1/6_containers/unordered_multimap/capacity/
138 29134-multimap.cc: Likewise.
139 * testsuite/tr1/6_containers/unordered_multiset/capacity/
140 29134-multiset.cc: Likewise.
141 * testsuite/tr1/6_containers/unordered_set/capacity/29134-set.cc:
144 2019-10-22 Jonathan Wakely <jwakely@redhat.com>
146 * testsuite/util/testsuite_abi.h: Restore use of tr1/unordered_map
147 when compiled as C++98.
149 * include/bits/memoryfwd.h (uses_allocator): Do not declare for C++98.
150 * testsuite/17_intro/names.cc: Check uses_allocator in C++98.
152 * include/bits/alloc_traits.h
153 (allocator_traits<allocator<T>>::allocate): Ignore hint for C++20.
154 (allocator_traits<allocator<T>>::construct): Perform placement new
155 directly for C++20, instead of calling allocator<T>::construct.
156 (allocator_traits<allocator<T>>::destroy): Call destructor directly
157 for C++20, instead of calling allocator<T>::destroy.
158 (allocator_traits<allocator<T>>::max_size): Return value directly
159 for C++20, instead of calling std::allocator<T>::max_size().
160 (__do_alloc_on_copy, __do_alloc_on_move, __do_alloc_on_swap): Do not
161 define for C++17 and up.
162 (__alloc_on_copy, __alloc_on_move, __alloc_on_swap): Use if-constexpr
163 for C++17 and up, instead of tag dispatching.
164 * include/bits/allocator.h (allocator<void>): Remove for C++20.
165 (allocator::pointer, allocator::const_pointer, allocator::reference)
166 (allocator::const_reference, allocator::rebind): Remove for C++20.
167 * include/bits/basic_string.h (basic_string): Use __alloc_traits to
169 * include/bits/memoryfwd.h (allocator<void>): Remove for C++20.
170 * include/ext/debug_allocator.h: Use __alloc_traits for rebinding.
171 * include/ext/malloc_allocator.h (malloc_allocator::~malloc_allocator)
172 (malloc_allocator::pointer, malloc_allocator::const_pointer)
173 (malloc_allocator::reference, malloc_allocator::const_reference)
174 (malloc_allocator::rebind, malloc_allocator::max_size)
175 (malloc_allocator::construct, malloc_allocator::destroy): Do not
177 (malloc_allocator::_M_max_size): Define new function.
178 * include/ext/new_allocator.h (new_allocator::~new_allocator)
179 (new_allocator::pointer, new_allocator::const_pointer)
180 (new_allocator::reference, new_allocator::const_reference)
181 (new_allocator::rebind, new_allocator::max_size)
182 (new_allocator::construct, new_allocator::destroy): Do not
184 (new_allocator::_M_max_size): Define new function.
185 * include/ext/rc_string_base.h (__rc_string_base::_Rep): Use
186 __alloc_traits to rebind allocator.
187 * include/ext/rope (_Rope_rep_base, _Rope_base): Likewise.
188 (rope::rope(CharT, const allocator_type&)): Use __alloc_traits
189 to construct character.
190 * include/ext/slist (_Slist_base): Use __alloc_traits to rebind
192 * include/ext/sso_string_base.h (__sso_string_base::_M_max_size):
194 * include/ext/throw_allocator.h (throw_allocator): Do not use optional
195 members of std::allocator, use __alloc_traits members instead.
196 * include/ext/vstring.h (__versa_string): Use __alloc_traits.
197 * include/ext/vstring_util.h (__vstring_utility): Likewise.
198 * include/std/memory: Include <bits/alloc_traits.h>.
199 * testsuite/20_util/allocator/8230.cc: Use __gnu_test::max_size.
200 * testsuite/20_util/allocator/rebind_c++20.cc: New test.
201 * testsuite/20_util/allocator/requirements/typedefs.cc: Do not check
202 for pointer, const_pointer, reference, const_reference or rebind in
204 * testsuite/20_util/allocator/requirements/typedefs_c++20.cc: New test.
205 * testsuite/23_containers/deque/capacity/29134.cc: Use
206 __gnu_test::max_size.
207 * testsuite/23_containers/forward_list/capacity/1.cc: Likewise.
208 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
209 * testsuite/23_containers/map/capacity/29134.cc: Likewise.
210 * testsuite/23_containers/multimap/capacity/29134.cc: Likewise.
211 * testsuite/23_containers/multiset/capacity/29134.cc: Likewise.
212 * testsuite/23_containers/set/capacity/29134.cc: Likewise.
213 * testsuite/23_containers/vector/capacity/29134.cc: Likewise.
214 * testsuite/ext/malloc_allocator/variadic_construct.cc: Do not run
216 * testsuite/ext/new_allocator/variadic_construct.cc: Likewise.
217 * testsuite/ext/vstring/capacity/29134.cc: Use __gnu_test::max_size.
218 * testsuite/util/replacement_memory_operators.h: Do not assume
219 Alloc::pointer exists.
220 * testsuite/util/testsuite_allocator.h (__gnu_test::max_size): Define
221 helper to call max_size for any allocator.
223 2019-10-22 Andreas Schwab <schwab@suse.de>
225 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
227 2019-10-18 Jonathan Wakely <jwakely@redhat.com>
230 * libsupc++/new_opa.cc (operator new) [__APPLE__]: Increase alignment
231 to at least sizeof(void*).
233 * include/bits/range_cmp.h (ranges::less::operator()): Inline the
234 logic from std::less::operator() to remove the dependency on it.
236 2019-10-17 Jonathan Wakely <jwakely@redhat.com>
238 * doc/doxygen/user.cfg.in (INPUT): Add new C++17 and C++20 headers.
240 * include/Makefile.am: Add new header.
241 * include/Makefile.in: Regenerate.
242 * include/bits/range_cmp.h: New header for C++20 function objects.
243 * include/std/functional: Include new header.
244 * testsuite/20_util/function_objects/identity/1.cc: New test.
245 * testsuite/20_util/function_objects/range.cmp/equal_to.cc: New test.
246 * testsuite/20_util/function_objects/range.cmp/greater.cc: New test.
247 * testsuite/20_util/function_objects/range.cmp/greater_equal.cc: New
249 * testsuite/20_util/function_objects/range.cmp/less.cc: New test.
250 * testsuite/20_util/function_objects/range.cmp/less_equal.cc: New test.
251 * testsuite/20_util/function_objects/range.cmp/not_equal_to.cc: New
255 * include/bits/forward_list.h
256 (_M_move_assign(forward_list&&, false_type)): Do not use
257 __make_move_if_noexcept, instead move unconditionally.
258 * include/bits/stl_deque.h (_M_move_assign2(deque&&, false_type)):
260 * include/bits/stl_list.h (_M_move_assign(list&&, false_type)):
262 * include/bits/stl_vector.h (_M_move_assign(vector&&, false_type)):
264 * testsuite/23_containers/vector/92124.cc: New test.
266 2019-10-16 Jonathan Wakely <jwakely@redhat.com>
268 * include/bits/c++config (_GLIBCXX_BUILTIN_IS_SAME_AS): Define to
269 one of __is_same_as or __is_same when available.
270 * include/std/concepts (__detail::__same_as): Use std::is_same_v.
271 * include/std/type_traits (is_same) [_GLIBCXX_BUILTIN_IS_SAME_AS]:
272 Use new macro instead of __is_same_as.
273 (is_same) [!_GLIBCXX_BUILTIN_IS_SAME_AS]: Restore partial
275 (is_same_v) [_GLIBCXX_BUILTIN_IS_SAME_AS]: Use new macro.
276 (is_same_v) [!_GLIBCXX_BUILTIN_IS_SAME_AS]: Use std::is_same.
278 2019-10-16 François Dumont <fdumont@gcc.gnu.org>
280 * src/c++11/debug.cc (print_field): Replace constness_names <unknown>
281 entry with <unknown constness>. Replace state_names <unknown> entry with
284 2019-10-11 Jonathan Wakely <jwakely@redhat.com>
286 * include/Makefile.am: Add new header.
287 * include/Makefile.in: Regenerate.
288 * include/precompiled/stdc++.h: Include <concepts>.
289 * include/std/concepts: New header for C++20.
290 * include/std/version (__cpp_lib_concepts): Define.
291 * scripts/create_testsuite_files: Look for test files in new std
293 * testsuite/libstdc++-dg/conformance.exp: Likewise.
294 * testsuite/std/concepts/concepts.callable/invocable.cc: New test.
295 * testsuite/std/concepts/concepts.callable/regular_invocable.cc: New
297 * testsuite/std/concepts/concepts.callable/relation.cc: New test.
298 * testsuite/std/concepts/concepts.callable/strictweakorder.cc: New
300 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
301 floating_point.cc: New test.
302 * testsuite/std/concepts/concepts.lang/concept.arithmetic/integral.cc:
304 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
305 signed_integral.cc: New test.
306 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
307 unsigned_integral.cc: New test.
308 * testsuite/std/concepts/concepts.lang/concept.assignable/1.cc: New
310 * testsuite/std/concepts/concepts.lang/concept.common/1.cc: New test.
311 * testsuite/std/concepts/concepts.lang/concept.commonref/1.cc: New
313 * testsuite/std/concepts/concepts.lang/concept.constructible/1.cc:
315 * testsuite/std/concepts/concepts.lang/concept.convertible/1.cc:
317 * testsuite/std/concepts/concepts.lang/concept.copyconstructible/1.cc:
319 * testsuite/std/concepts/concepts.lang/concept.defaultconstructible/
321 * testsuite/std/concepts/concepts.lang/concept.derived/1.cc:
323 * testsuite/std/concepts/concepts.lang/concept.destructible/1.cc:
325 * testsuite/std/concepts/concepts.lang/concept.moveconstructible/1.cc:
327 * testsuite/std/concepts/concepts.lang/concept.same/1.cc:
329 * testsuite/std/concepts/concepts.lang/concept.swappable/swap.cc:
331 * testsuite/std/concepts/concepts.lang/concept.swappable/swappable.cc:
333 * testsuite/std/concepts/concepts.lang/concept.swappable/
334 swappable_with.cc: New test.
335 * testsuite/std/concepts/concepts.object/copyable.cc: New test.
336 * testsuite/std/concepts/concepts.object/movable.cc: New test.
337 * testsuite/std/concepts/concepts.object/regular.cc: New test.
338 * testsuite/std/concepts/concepts.object/semiregular.cc: New test.
340 * include/std/type_traits (is_same): Replace partial specialization
341 by using __is_same_as built-in in primary template.
342 (is_same_v): Use __is_same_as built-in instead of instantiating the
346 * include/tr2/dynamic_bitset (__dynamic_bitset_base): Define all
347 special member functions as defaulted. Add noexcept to most members.
348 (__dynamic_bitset_base(size_t, unsigned long long, const _Alloc&)):
349 Mask off unwanted bits in the __val parameter. Avoid undefined left
351 (__dynamic_bitset_base::_M_assign): Remove.
352 (__dynamic_bitset_base::_M_do_reset): Use std::fill.
353 (__dynamic_bitset_base::_M_are_all_aux): Avoid integer promotion when
354 block_type has lower rank than int.
355 (dynamic_bitset): Add noexcept to most members. Use injected-class-name
356 in return types and parameter types.
357 (dynamic_bitset::_M_Nb): Add default member initializer.
358 (dynamic_bitset(), dynamic_bitset(const dynamic_bitset&)): Define as
360 (dynamic_bitset(dynamic_bitset&&)): Clear source object after move.
361 (dynamic_bitset::operator=(const dynamic_bitset&)): Define as
363 (dynamic_bitset::operator=(dynamic_bitset&&)): Add noexcept-specifier.
364 Define without using swap, to propagate allocator correctly.
365 (dynamic_bitset(const char*, const _Alloc&)): Use strlen.
366 (dynamic_bitset::_M_do_sanitize, dynamic_bitset::_M_do_fill): Use
367 casts to avoid unwanted integer promotions.
368 (dynamic_bitset::_M_copy_from_ptr): Rearrange template parameters and
369 add default template arguments and default argument to simplify usage.
370 (dynamic_bitset::_M_copy_from_string): Adjust call to _M_copy_from_ptr.
371 (operator==(const dynamic_bitset&, const dynamic_bitset&))
372 (operator<(const dynamic_bitset&, const dynamic_bitset&)): Use _M_Nb.
373 * include/tr2/dynamic_bitset.tcc (dynamic_bitset::_M_copy_from_ptr):
374 Adjust template parameters to match declaration.
375 * testsuite/tr2/dynamic_bitset/cmp.cc: New test.
376 * testsuite/tr2/dynamic_bitset/cons.cc: New test.
377 * testsuite/tr2/dynamic_bitset/copy.cc: New test.
378 * testsuite/tr2/dynamic_bitset/move.cc: New test.
379 * testsuite/tr2/dynamic_bitset/pr92059.cc: New test.
381 * include/bits/charconv.h (__to_chars_len): Avoid -Wsign-compare
384 2019-10-10 Jonathan Wakely <jwakely@redhat.com>
387 * src/c++98/locale.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]
388 (find_ldbl_sync_facet): Fix parameter type and missing return.
390 2019-10-09 Marek Polacek <polacek@redhat.com>
392 PR c++/91364 - P0388R4: Permit conversions to arrays of unknown bound.
393 PR c++/69531 - DR 1307: Differently bounded array parameters.
394 PR c++/88128 - DR 330: Qual convs and pointers to arrays of pointers.
395 * testsuite/23_containers/span/lwg3255.cc: Adjust test to match the
396 post-P0388R4 behavior.
398 2019-10-09 Jonathan Wakely <jwakely@redhat.com>
401 * src/c++98/locale.cc (locale::id::_M_id()) [__GTHREADS]: Use atomic
402 compare-exchange or double-checked lock to ensure only one thread sets
403 the _M_index variable.
404 [_GLIBCXX_LONG_DOUBLE_COMPAT]: Call find_ldbl_sync_facet to detect
405 facets that share another facet's ID.
406 [_GLIBCXX_LONG_DOUBLE_COMPAT] (find_ldbl_sync_facet): New function.
409 * src/c++98/locale_init.cc (locale::classic()): Do not construct a new
410 locale object for every call.
411 (locale::_S_initialize_once()): Construct C locale here.
413 2019-10-08 Jonathan Wakely <jwakely@redhat.com>
415 * doc/Makefile.am (doc-html-docbook-regenerate): New target.
416 (${docbook_outdir}/html): Do not create unused 'html/ext' directory.
417 * doc/Makefile.in: Regenerate.
418 * doc/xml/manual/documentation_hacking.xml: Document new target.
419 * doc/html/*: Regenerate.
421 * doc/xml/manual/allocator.xml: Use archived copy of CUJ article.
422 * doc/html/*: Regenerate.
424 2019-10-06 François Dumont <fdumont@gcc.gnu.org>
426 * include/bits/stl_algo.h
427 (__copy_n_a(_IIte, _Size, _OIte)): New.
428 (__copy_n_a(istreambuf_iterator<>, _Size, _CharT*)): New declaration.
429 (__copy_n(_IIte, _Size, _OIte, input_iterator_tag)): Adapt to use
431 * include/bits/streambuf_iterator.h (istreambuf_iterator<>): Declare
432 std::__copy_n_a friend.
433 (__copy_n_a(istreambuf_iterator<>, _Size, _CharT*)): New.
434 * testsuite/25_algorithms/copy_n/istreambuf_iterator/1.cc: New.
435 * testsuite/25_algorithms/copy_n/istreambuf_iterator/1_neg.cc: New.
436 * testsuite/25_algorithms/copy_n/istreambuf_iterator/2_neg.cc: New.
438 * include/bits/stl_iterator_base_types.h (__iterator_category_t): Define
440 (_RequireInputIte): Likewise and use __enable_if_t.
441 * include/std/numeric
442 (__is_random_access_iter): Use __iterator_category_t.
444 * include/bits/stl_algo.h (copy_n): Add __glibcxx_requires_can_increment
446 * testsuite/25_algorithms/copy_n/debug/1_neg.cc: New.
447 * testsuite/25_algorithms/copy_n/debug/2_neg.cc: New.
449 2019-10-04 François Dumont <fdumont@gcc.gnu.org>
451 * include/debug/forward_list
452 (_Sequence_traits<__debug::forward_list<>>::_S_size): Returns __dp_sign
453 distance when not empty.
454 * include/debug/list (_Sequence_traits<__debug::list<>>::_S_size):
456 * include/debug/helper_functions.h (__dp_sign_max_size): New
457 _Distance_precision enum entry.
458 (__valid_range_aux(_IIte, _IIte, _Distance_traits<>::__type,
459 __false_type)): Adapt.
460 * include/debug/safe_iterator.tcc
461 (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator&)): Review
462 distance computation.
464 2019-10-04 Jonathan Wakely <jwakely@redhat.com>
468 * configure.ac: Use AC_SYS_LARGEFILE to enable 64-bit file APIs.
469 * config.h.in: Regenerate:
470 * configure: Regenerate:
471 * include/Makefile.am (${host_builddir}/largefile-config.h): New
472 target to generate config header for filesystem library.
473 (${host_builddir}/c++config.h): Rename macros for large file support.
474 * include/Makefile.in: Regenerate.
475 * src/c++17/fs_dir.cc: Include new config header.
476 * src/c++17/fs_ops.cc: Likewise.
477 (filesystem::file_size): Use uintmax_t for size.
478 * src/filesystem/dir.cc: Include new config header.
479 * src/filesystem/ops.cc: Likewise.
480 (experimental::filesystem::file_size): Use uintmax_t for size.
482 * testsuite/util/testsuite_abi.h: Use std::unordered_map instead of
483 std::tr1::unordered_map.
484 * testsuite/util/testsuite_allocator.h: Likewise.
486 * include/tr1/hashtable.h: Add header for __gnu_cxx::__alloc_traits.
488 * include/tr1/hashtable.h (tr1::_Hashtable::_M_allocate_node): Use
489 __gnu_cxx::__alloc_traits for allocator construct function.
490 (tr1::_Hashtable::_M_deallocate_node): Likewise for destroy function.
492 * include/precompiled/stdc++.h: Include <span> for C++20.
493 * testsuite/17_intro/names.cc: Do not define 'e' for C++20.
495 2019-10-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
497 * include/parallel/multiway_merge.h (_RAIter3): Replace _C by _Cp.
499 2019-10-02 Jonathan Wakely <jwakely@redhat.com>
501 * config/abi/pre/gnu.ver: Tighten up greedy wildcards.
503 * doc/xml/manual/parallel_mode.xml: Add caveat about support for
505 * doc/html/*: Regenerate.
507 2019-10-01 Jonathan Wakely <jwakely@redhat.com>
509 * include/experimental/algorithm (experimental::sample): Qualify call
510 to __sample correctly.
511 * include/parallel/algo.h (sample, for_each_n): Add using-declarations
512 for algorithms that don't have parallel implementations.
514 * include/parallel/algobase.h (equal, lexicographical_compare): Add
515 _GLIBCXX20_CONSTEXPR and dispatch to sequential algorithm when being
517 * include/parallel/algorithmfwd.h (equal, lexicographical_compare):
518 Add _GLIBCXX20_CONSTEXPR.
520 * testsuite/17_intro/using_namespace_std_tr1_neg.cc: Skip test for
522 * testsuite/20_util/hash/84998.cc: Likewise.
523 * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: Likewise.
524 * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: Likewise.
525 * testsuite/23_containers/list/pmr_typedefs_debug.cc: Likewise.
526 * testsuite/23_containers/map/pmr_typedefs_debug.cc: Likewise.
527 * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: Likewise.
528 * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: Likewise.
529 * testsuite/23_containers/set/pmr_typedefs_debug.cc: Likewise.
530 * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc:
532 * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
534 * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
536 * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc:
538 * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
540 * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: Likewise.
541 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
542 * testsuite/25_algorithms/copy/86658.cc: Likewise.
543 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
544 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
545 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
546 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
548 * include/parallel/algo.h: Replace non-reserved names.
549 * include/parallel/multiway_merge.h: Likewise.
550 * include/parallel/multiway_mergesort.h: Likewise.
551 * include/parallel/numericfwd.h: Likewise.
552 * testsuite/17_intro/names.cc: Add RAI to test macros.
554 2019-09-30 François Dumont <fdumont@gcc.gnu.org>
556 * include/debug/array: Add C++20 constexpr to comparison operators.
557 * testsuite/23_containers/array/tuple_interface/get_debug_neg.cc: Adapt
558 dg-error line numbers.
559 * testsuite/23_containers/array/tuple_interface/
560 tuple_element_debug_neg.cc: Likewise.
562 2019-09-30 Andreas Tobler <andreast@gcc.gnu.org>
564 * include/experimental/internet: Include netinet/in.h if we have
565 _GLIBCXX_HAVE_NETINET_IN_H defined.
567 * testsuite/ext/special_functions/airy_ai/check_nan.cc: Ignore the
568 FreeBSD warning about lower advertised precision of tgammal.
569 * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
570 * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc: Likewise.
571 * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc: Likewise.
572 * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc: Likewise.
573 * testsuite/special_functions/10_cyl_neumann/check_nan.cc: Likewise.
574 * testsuite/special_functions/19_sph_bessel/check_nan.cc: Likewise.
575 * testsuite/special_functions/21_sph_neumann/check_nan.cc: Likewise.
576 * testsuite/tr1/5_numerical_facilities/special_functions/
577 08_cyl_bessel_i/check_nan.cc: Likewise.
578 * testsuite/tr1/5_numerical_facilities/special_functions/
579 09_cyl_bessel_j/check_nan.cc: Likewise.
580 * testuite/tr1/5_numerical_facilities/special_functions/
581 10_cyl_bessel_k/check_nan.cc: Likewise.
582 * testsuite/tr1/5_numerical_facilities/special_functions/
583 11_cyl_neumann/check_nan.cc: Likewise.
584 * testsuite/tr1/5_numerical_facilities/special_functions/
585 21_sph_bessel/check_nan.cc: Likewise.
586 * testsuite/tr1/5_numerical_facilities/special_functions/
587 23_sph_neumann/check_nan.cc: Likewise.
589 2019-09-30 Jonathan Wakely <jwakely@redhat.com>
591 * include/std/span (span(element_type(&)[N]))
592 (span(array<value_type, N>&), span(const array<value_type, N>&)):
593 Deduce array element type to allow safe const conversions (LWG 3255).
594 [!_GLIBCXX_P1394] (span(Container&), span(const Container&)): Use
595 remove_cv_t on arguments to __is_std_span and __is_std_array.
596 * testsuite/23_containers/span/lwg3255.cc: New test.
599 * include/parallel/checkers.h (__is_sorted): Remove unused variable.
601 2019-09-28 François Dumont <fdumont@gcc.gnu.org>
603 * include/bits/stl_algo.h (merge): Fix documentation.
604 * include/debug/functions.h (__check_sorted_aux): Add C++20 constexpr.
605 (__check_sorted): Likewise and remove nested irreflexive check.
606 (__check_sorted_set_aux, __check_sorted_set): Add C++20 constexpr.
607 (__check_partitioned_lower, __check_partitioned_upper): Likewise.
608 (_Irreflexive_checker::_S_is_valid): Likewise.
609 (__is_irreflexive, __is_irreflexive_pred): Likewise.
610 * include/debug/helper_functions.h (__get_distance): Add constexpr.
611 (__valid_range_aux): Add C++20 constexpr.
612 (__valid_range(_Iter, _Iter, _Distance_traits<_Iter>::__type&)):
613 Likewise and add std::is_constant_evaluated check.
614 (__valid_range_aux(_Iter, _Iter, std::input_iterator_tag)): New.
615 (__valid_range_aux(_Iter, _Iter, std::random_accss_iterator_tag)): New.
616 (__valid_range_aux(_Integral, _Integral, std::__true_type)): New,
618 (__valid_range(_Iter, _Iter)): Adapt to use latter, add constexpr and
619 __builtin_is_contant_evaludated check..
620 (__can_advance, __base): Add constexpr.
621 * include/debug/macros.h [_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED]
622 (_GLIBCXX_DEBUG_VERIFY_COND_AT): New.
623 (__glibcxx_check_sorted): Use __glibcxx_check_irreflexive.
624 (__glibcxx_check_sorted_pred): Use __glibcxx_check_irreflexive_pred.
625 * testsuite/25_algorithms/binary_search/constexpr.cc: Use irreflexive
627 * testsuite/25_algorithms/is_sorted/constexpr.cc: Likewise.
628 * testsuite/25_algorithms/merge/constexpr.cc: Fix order in camm. Fix
629 lambda to be irreflexive.
631 2019-09-27 Maciej W. Rozycki <macro@wdc.com>
633 * configure: Regenerate.
635 2019-09-27 Jonathan Wakely <jwakely@redhat.com>
638 * src/c++11/debug.cc (_Safe_iterator_base::_M_detach()): Load pointer
639 atomically and lock the mutex before accessing the sequence.
640 (_Safe_local_iterator_base::_M_detach()): Likewise.
641 (_Safe_iterator_base::_M_reset()): Clear _M_sequence atomically.
643 2019-09-26 Jonathan Wakely <jwakely@redhat.com>
645 * include/debug/array (to_array): Define for debug mode.
647 * include/bits/stl_pair.h (pair): Add _GLIBCXX20_CONSTEXPR to
648 piecewise construction constructor, assignment operators, and swap.
649 * include/std/tuple (pair::pair(piecewise_construct_t, tuple, tuple)):
650 Add _GLIBCXX20_CONSTEXPR.
651 (pair::pair(tuple, tuple, _Index_tuple, _Index_tuple)): Likewise.
652 * testsuite/20_util/pair/constexpr_assign.cc: New test.
653 * testsuite/20_util/pair/constexpr_swap.cc: New test.
655 * include/experimental/internet (operator==, operator<): Fix loop
656 condition to avoid reading past the end of the array.
658 * include/std/array: Remove references to profile mode.
659 * include/std/bitset: Likewise.
660 * include/std/deque: Likewise.
661 * include/std/forward_list: Likewise.
662 * include/std/list: Likewise.
663 * include/std/map: Likewise.
664 * include/std/set: Likewise.
665 * include/std/unordered_map: Likewise.
666 * include/std/unordered_set: Likewise.
667 * include/std/vector: Likewise.
668 * testsuite/17_intro/headers/c++1998/profile_mode.cc: New test.
669 * testsuite/17_intro/headers/c++2011/profile_mode.cc: New test.
671 2019-09-25 Jonathan Wakely <jwakely@redhat.com>
673 * include/bits/regex.h
674 (basic_regex::assign(const C*, size_t, flag_type)): Add default
676 * testsuite/28_regex/basic_regex/assign/char/lwg3296.cc: New test.
677 * testsuite/28_regex/basic_regex/assign/wchar_t/lwg3296.cc: New test.
679 2019-09-24 Jonathan Wakely <jwakely@redhat.com>
681 * include/std/variant (variant::index()): Remove impossible case.
684 * testsuite/util/testsuite_hooks.h
685 (conversion::iterator_to_const_iterator()): Do not return an invalid
686 iterator. Test direct-initialization and direct-list-initialization
687 as well as implicit conversion.
689 2019-09-23 Jonathan Wakely <jwakely@redhat.com>
691 PR libstdc++/91788 (partial)
692 * include/std/variant (variant::index()): Improve codegen for cases
693 where conversion to size_t already works correctly.
695 2019-09-23 Andreas Schwab <schwab@suse.de>
697 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
699 2019-09-12 Jonathan Wakely <jwakely@redhat.com>
702 * include/bits/stl_algo.h (for_each_n): Fix random access iterator
704 * testsuite/25_algorithms/for_each/for_each_n.cc: Test with random
707 2019-09-11 Jonathan Wakely <jwakely@redhat.com>
709 * python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker.__call__):
712 * testsuite/20_util/result_of/sfinae_friendly_1.cc: Add -Wno-volatile
713 for C++2a and up. Define HAS_52748_FIXED and fix incorrect tests.
714 * testsuite/tr1/3_function_objects/result_of.cc: Add -Wno-volatile
717 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
719 * include/std/type_traits (__do_common_type_impl): Implement
720 additional COND-RES(CREF(D1), CRED(D2)) condition for C++20.
721 (basic_common_reference, common_reference, common_reference_t): Define
723 * testsuite/20_util/common_reference/requirements/alias_decl.cc: New
725 * testsuite/20_util/common_reference/requirements/
726 explicit_instantiation.cc: New test.
727 * testsuite/20_util/common_reference/requirements/typedefs.cc: New
730 * include/std/charconv (to_chars): Rename to __to_chars_i. Define
731 non-template overloads for each signed and unsigned integer type and
732 char. Define deleted overload for bool (LWG 3266).
733 * testsuite/20_util/to_chars/1_neg.cc: Remove.
734 * testsuite/20_util/to_chars/3.cc: New test.
735 * testsuite/20_util/to_chars/lwg3266.cc: New test.
737 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
739 * acinclude.m4: Handle uclinux*.
740 * configure: Regenerate.
741 * configure.host: Handle uclinux*
743 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
744 Mickaël Guêné <mickael.guene@st.com>
746 * libsupc++/eh_personality.cc (get_ttype_entry): Add FDPIC
749 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
752 * testsuite/23_containers/span/get_neg.cc: Avoid ambiguity due to
753 0ul being a valid null pointer constant.
755 * include/std/type_traits (__remove_cv_t): New alias template.
756 (is_void, is_integral, is_floating_point, is_pointer)
757 (is_member_object_pointer, is_member_function_pointer, is_null_pointer)
758 (is_member_point), __is_signed_integer, __is_unsigned_integer)
759 (__make_unsigned_selector, __make_signed_selector, remove_pointer)
760 (__decay_selector): Use __remove_cv_t.
761 (remove_cv): Add partial specializations for cv-qualified types.
762 (__decay_t): New alias template.
763 (__decay_and_strip, __common_type_impl, __result_of_impl): Use
765 (__enable_if_t): Move earlier in the file.
766 (_Require): Use __enable_if_t.
767 (swap(T&, T&)): Use _Require.
768 (swap(T(&)[N])): Use __enable_if_t.
770 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
772 Implement C++20 p1424 - 'constexpr' feature macro concerns,
773 Issue 3256 - Feature testing macro for constexpr algorithms,
774 and Issue 3257 - Missing feature testing macro update from P0858.
775 * include/std/version (__cpp_lib_constexpr_algorithms): Bump value.
776 * include/bits/algorithmfwd.h: Ditto.
777 * include/std/utility: Ditto.
778 * testsuite/25_algorithms/constexpr_macro.cc: Ditto.
779 * testsuite/25_algorithms/cpp_lib_constexpr.cc: New check for
780 __cpp_lib_constexpr macro in <algorith>.
781 * testsuite/20_util/exchange/constexpr.cc: Add check for
782 __cpp_lib_constexpr macro in <utility>.
783 * testsuite/25_algorithms/adjacent_find/constexpr.cc: Remove check for
784 __cpp_lib_constexpr_algorithms.
785 * testsuite/25_algorithms/all_of/constexpr.cc: Ditto.
786 * testsuite/25_algorithms/any_of/constexpr.cc: Ditto.
787 * testsuite/25_algorithms/binary_search/constexpr.cc: Ditto.
788 * testsuite/25_algorithms/copy/constexpr.cc: Ditto.
789 * testsuite/25_algorithms/copy_backward/constexpr.cc: Ditto.
790 * testsuite/25_algorithms/copy_if/constexpr.cc: Ditto.
791 * testsuite/25_algorithms/copy_n/constexpr.cc: Ditto.
792 * testsuite/25_algorithms/count/constexpr.cc: Ditto.
793 * testsuite/25_algorithms/count_if/constexpr.cc: Ditto.
794 * testsuite/25_algorithms/equal/constexpr.cc: Ditto.
795 * testsuite/25_algorithms/equal_range/constexpr.cc: Ditto.
796 * testsuite/25_algorithms/fill/constexpr.cc: Ditto.
797 * testsuite/25_algorithms/fill_n/constexpr.cc: Ditto.
798 * testsuite/25_algorithms/find/constexpr.cc: Ditto.
799 * testsuite/25_algorithms/find_end/constexpr.cc: Ditto.
800 * testsuite/25_algorithms/find_first_of/constexpr.cc: Ditto.
801 * testsuite/25_algorithms/find_if/constexpr.cc: Ditto.
802 * testsuite/25_algorithms/find_if_not/constexpr.cc: Ditto.
803 * testsuite/25_algorithms/for_each/constexpr.cc: Ditto.
804 * testsuite/25_algorithms/generate/constexpr.cc: Ditto.
805 * testsuite/25_algorithms/generate_n/constexpr.cc: Ditto.
806 * testsuite/25_algorithms/is_heap/constexpr.cc: Ditto.
807 * testsuite/25_algorithms/is_heap_until/constexpr.cc: Ditto.
808 * testsuite/25_algorithms/is_partitioned/constexpr.cc: Ditto.
809 * testsuite/25_algorithms/is_permutation/constexpr.cc: Ditto.
810 * testsuite/25_algorithms/is_sorted/constexpr.cc: Ditto.
811 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: Ditto.
812 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: Ditto.
813 * testsuite/25_algorithms/lower_bound/constexpr.cc: Ditto.
814 * testsuite/25_algorithms/merge/constexpr.cc: Ditto.
815 * testsuite/25_algorithms/mismatch/constexpr.cc: Ditto.
816 * testsuite/25_algorithms/none_of/constexpr.cc: Ditto.
817 * testsuite/25_algorithms/partition_copy/constexpr.cc: Ditto.
818 * testsuite/25_algorithms/partition_point/constexpr.cc: Ditto.
819 * testsuite/25_algorithms/remove/constexpr.cc: Ditto.
820 * testsuite/25_algorithms/remove_copy/constexpr.cc: Ditto.
821 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: Ditto.
822 * testsuite/25_algorithms/remove_if/constexpr.cc: Ditto.
823 * testsuite/25_algorithms/replace_copy/constexpr.cc: Ditto.
824 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: Ditto.
825 * testsuite/25_algorithms/replace_if/constexpr.cc: Ditto.
826 * testsuite/25_algorithms/reverse_copy/constexpr.cc: Ditto.
827 * testsuite/25_algorithms/rotate_copy/constexpr.cc: Ditto.
828 * testsuite/25_algorithms/search/constexpr.cc: Ditto.
829 * testsuite/25_algorithms/search_n/constexpr.cc: Ditto.
830 * testsuite/25_algorithms/set_difference/constexpr.cc: Ditto.
831 * testsuite/25_algorithms/set_intersection/constexpr.cc: Ditto.
832 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: Ditto.
833 * testsuite/25_algorithms/set_union/constexpr.cc: Ditto.
834 * testsuite/25_algorithms/transform/constexpr.cc: Ditto.
835 * testsuite/25_algorithms/unique/constexpr.cc: Ditto.
836 * testsuite/25_algorithms/unique_copy/constexpr.cc: Ditto.
837 * testsuite/25_algorithms/upper_bound/constexpr.cc: Ditto.
839 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
841 Update docs for recent <span> and constexpr lib changes.
842 * doc/xml/manual/status_cxx2020.xml: Update p0202r3, p0858r0, p0879r0,
843 p1023r0, p1085r2 status.
844 * doc/html/manual/status.html: Regenerate.
846 2019-09-09 Antony Polukhin <antoshkka@gmail.com>
848 * include/bits/charconv.h (__detail::__to_chars_10_impl): Replace
849 final offsets with constants.
851 2019-09-09 Jonathan Wakely <jwakely@redhat.com>
853 * include/bits/range_access.h (__adl_to_address): Remove.
854 * include/std/span (__is_base_derived_safe_convertible_v): Replace
855 with span::__is_compatible.
856 (__is_std_array_v): Replace with __is_std_array class template and
857 partial specializations.
858 (__is_std_array, __is_std_span): New class templates and partial
860 (span::__is_compatible): New alias template for SFINAE constraints.
861 (span::span(element_type (&)[N])): Remove redundant constraints. Do
862 not use __adl_data to obtain a pointer.
863 (span::span(array<value_type, N>&)): Likewise.
864 (span::span(const array<value_type, N>&)): Likewise.
865 [_GLIBCXX_P1394] (span::iter_reference_t, span::iterator_t)
866 (span::iter_value_t, span::derived_from): New alias templates for
867 SFINAE constraints, until the equivalents are supported in <concepts>
869 [_GLIBCXX_P1394] (span::__is_compatible_iterator): New alias template
870 for SFINAE constraints.
871 [_GLIBCXX_P1394] (span::is_compatible_range): New class template for
873 [_GLIBCXX_P1394] (span::span(Range&&)): Improve constraints.
874 [_GLIBCXX_P1394] (span::span(ContiguousIterator, Sentinel)): Likewise.
875 Use std::to_address instead of __adl_to_address.
876 [_GLIBCXX_P1394] (span::span(ContiguousIterator, size_type)): Likewise.
877 [!_GLIBCXX_P1394] (span::__is_compatible_container): New alias
878 template for SFINAE constraints.
879 [!_GLIBCXX_P1394] (span::span(Container&))
880 (span::span(const Container&)): Improve constraints.
881 [!_GLIBCXX_P1394] (span::span(pointer, size_type))
882 (span::span(pointer, pointer)): Remove redundant cast of pointer.
883 (span(const span<OType, OExtent>&)): New constructor.
885 2019-09-06 Jonathan Wakely <jwakely@redhat.com>
887 * include/bits/range_access.h (ssize): Define for C++20.
888 * testsuite/24_iterators/range_access_cpp20.cc: New test.
889 * doc/xml/manual/status_cxx2020.xml: Update P1227R2 status.
890 * doc/html/*: Regenerate.
892 2019-09-06 Florian Weimer <fweimer@redhat.com>
894 * configure: Regenerate.
896 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
898 * doc/xml/manual/status_cxx2020.xml: Update status for P0122R7 and
899 P1024R3. Remove entry for P0920R2.
900 * include/std/span (__cpp_lib_span): Change value.
901 (__extent_storage, __extent_storage<dynamic_extent>): Remove default
903 (span): Replace __extent_storage base class with data member.
904 (span::_S_subspan_extent): New function.
905 (span::empty()): Add nodiscard attribute.
906 (span::front, span::back, span::operator[]): Check preconditions.
907 (span::first, span::last, span::subspan): Add noexcept. Improve
908 precondition checks (LWG 3103).
909 (get): Remove redundant condition from static_assert.
910 (tuple_element<I, span<T, E>>): Fix static_assert message and simplify.
911 (as_writable_bytes): Add inline specifier.
912 * include/std/version (__cpp_lib_span): Change value.
913 * testsuite/23_containers/span/back_neg.cc: Remove stray semi-colon.
914 * testsuite/23_containers/span/front_neg.cc: Likewise.
915 * testsuite/23_containers/span/index_op_neg.cc: Likewise.
916 * testsuite/23_containers/span/last_neg.cc: Improve test.
917 * testsuite/23_containers/span/subspan_neg.cc: Likewise.
918 * testsuite/23_containers/span/1.cc: New test.
919 * testsuite/23_containers/span/2.cc: New test.
920 * testsuite/23_containers/span/back_assert_neg.cc: New test.
921 * testsuite/23_containers/span/first_2_assert_neg.cc: New test.
922 * testsuite/23_containers/span/first_assert_neg.cc: New test.
923 * testsuite/23_containers/span/first_neg.cc: New test.
924 * testsuite/23_containers/span/front_assert_neg.cc: New test.
925 * testsuite/23_containers/span/index_op_assert_neg.cc: New test.
926 * testsuite/23_containers/span/last_2_assert_neg.cc: New test.
927 * testsuite/23_containers/span/last_assert_neg.cc: New test.
928 * testsuite/23_containers/span/subspan_2_assert_neg.cc: New test.
929 * testsuite/23_containers/span/subspan_3_assert_neg.cc: New test.
930 * testsuite/23_containers/span/subspan_4_assert_neg.cc: New test.
931 * testsuite/23_containers/span/subspan_5_assert_neg.cc: New test.
932 * testsuite/23_containers/span/subspan_6_assert_neg.cc: New test.
933 * testsuite/23_containers/span/subspan_assert_neg.cc: New test.
935 2019-09-05 JeanHeyd Meneide <phdofthehouse@gmail.com>
937 * include/Makefile.am: Add <span> header.
938 * include/Makefile.in: Regenerate.
939 * include/bits/range_access.h (__adl_begin, __adl_end, __adl_cbegin)
940 (__adl_cend, __adl_rbegin, __adl_rend, __adl_crbegin, __adl_crend)
941 (__adl_data, __adl_cdata, __adl_size, __adl_empty, __adl_to_address):
942 New functions for performing argument-dependent lookup of range
943 customization points.
944 * include/bits/stl_iterator.h (__normal_iterator): Add
945 _GLIBCXX20_CONSTEXPR to all functions.
946 * include/std/span: New header.
947 * include/std/version (__cpp_lib_span): Define feature test macro.
948 * testsuite/23_containers/span/contiguous_range_neg.cc: New test.
949 * testsuite/23_containers/span/everything.cc: New test.
950 * testsuite/23_containers/span/get_neg.cc: New test.
951 * testsuite/23_containers/span/last_neg.cc: New test.
952 * testsuite/23_containers/span/subspan_neg.cc: New test.
953 * testsuite/23_containers/span/tuple_element_dynamic_neg.cc: New test.
954 * testsuite/23_containers/span/tuple_element_oob_neg.cc: New test.
955 * testsuite/23_containers/span/tuple_size_neg.cc: New test.
957 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
959 * doc/xml/manual/allocator.xml: Remove URL for bibliography entry.
960 * doc/html/*: Regenerate.
962 2019-09-04 Mike Crowe <mac@mcrowe.com>
965 * acinclude.m4 (GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT): Check for new
966 pthread_cond_clockwait function.
967 * configure.ac: Use GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT.
968 * configure: Regenerate.
969 * config.h.in: Regenerate.
970 * include/std/condition_variable: (condition_variable): Rename
971 __steady_clock_t typedef and add system_clock. Change __clock_t to be
972 a typedef for the preferred clock to convert arbitrary other clocks to.
973 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (wait_until): Add a steady_clock
975 (wait_until): Change __clock_t overload to use system_clock.
976 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (__wait_until_impl): Add
977 steady_clock overload that calls pthread_cond_clockwait.
978 (__wait_until_impl): Change __clock_t overload to use system_clock.
979 (condition_variable_any) [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT]: Use
980 steady_clock for __clock_t if pthread_cond_clockwait is available.
982 2019-09-04 Mike Crowe <mac@mcrowe.com>
984 * testsuite/30_threads/condition_variable/members/2.cc (test01):
985 Parameterise so that test can be run against an arbitrary clock.
986 (main): Test using std::chrono::steady_clock and a user-defined
987 clock in addition to the previous std::chrono::system_clock.
988 * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
990 2019-09-03 Ulrich Weigand <uweigand@de.ibm.com>
992 * crossconfig.m4: Remove references to spu.
993 * configure: Regenerate.
994 * doc/xml/manual/appendix_contributing.xml: Remove references
995 to __ea as "badword" for spu.
996 * doc/html/manual/source_code_style.html: Regenerate.
997 * include/tr1/ell_integral.tcc (__ellint_rd): Do not attempt
998 to avoid __ea (as "badword" for spu).
999 (__ellint_rj): Likewise.
1001 2019-09-03 Chung-Lin Tang <cltang@codesourcery.com>
1004 * acinclude.m4 (GLIBCXX_CHECK_LINKER_FEATURES): Fix GNU ld --version
1005 scanning to conform to the GNU Coding Standards.
1006 * configure: Regenerate.
1008 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
1010 * src/c++17/memory_resource.cc: Use __constinit keyword.
1012 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
1014 * doc/xml/manual/abi.xml: Document 9.x library versions.
1015 * doc/html/*: Regenerate.
1017 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
1019 * include/std/charconv (__detail::__to_chars_2_len): Use std::log2p1.
1020 (__detail::__to_chars_8_len): Remove.
1021 (__detail::__to_chars_8): Inline length calculation here.
1022 (__detail::__from_chars_binary): Use numeric_limits instead of
1025 2019-09-02 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1027 * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
1028 * config/abi/post/i386-solaris/amd64/baseline_symbols.txt: Likewise.
1029 * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
1030 * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
1033 2019-09-01 François Dumont <fdumont@gcc.gnu.org>
1035 * testsuite_files/util/testsuite_performance.h
1036 (resource_counter::start): Ignore unused malloc(0) result.
1038 2019-09-01 Gerald Pfeifer <gerald@pfeifer.com>
1040 * doc/xml/manual/policy_data_structures_biblio.xml (COM: Component
1041 Model Object Technologies): Adjust name and link.
1043 2019-08-30 Antony Polukhin <antoshkka@gmail.com>
1045 * include/std/charconv (__detail::__to_chars_8)
1046 __detail::__to_chars_16): Replace array of precomputed digits with
1047 arithmetic operations to avoid CPU cache misses. Remove zero
1048 termination from array of digits to allow symbol merge with generic
1049 implementation of __detail::__to_chars. Replace final offsets with
1050 constants. Use __detail::__to_chars_len_2 instead of a generic
1051 __detail::__to_chars_len.
1052 (__detail::__to_chars): Remove zero termination from array of digits.
1053 (__detail::__to_chars_2): Leading digit is always '1'.
1055 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
1057 * testsuite/23_containers/vector/cons/89164_c++17.cc: Fix errors.
1059 2019-08-30 Uros Bizjak <ubizjak@gmail.com>
1061 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
1063 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
1066 * include/bits/stl_algobase.h (__copy_move): Give descriptive names
1067 to template parameters.
1068 * include/bits/stl_uninitialized.h (uninitialized_copy)
1069 (uninitialized_fill, uninitialized_fill_n): Add static assertions to
1070 diagnose invalid uses.
1071 * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
1072 Adjust expected error.
1073 * testsuite/20_util/specialized_algorithms/uninitialized_copy/89164.cc:
1075 * testsuite/20_util/specialized_algorithms/uninitialized_copy_n/
1077 * testsuite/20_util/specialized_algorithms/uninitialized_fill/89164.cc:
1079 * testsuite/20_util/specialized_algorithms/uninitialized_fill_n/
1081 * testsuite/23_containers/vector/cons/89164.cc: New test.
1082 * testsuite/23_containers/vector/cons/89164_c++17.cc: New test.
1084 2019-08-29 Jonathan Wakely <jwakely@redhat.com>
1087 * acinclude.m4 (libtool_VERSION): Bump to 6:28:0.
1088 * configure: Regenerate.
1089 * config/abi/pre/gnu.ver (GLIBCXX_3.4.28): Add new version. Export
1091 * testsuite/27_io/filesystem/iterators/91067.cc: Test move
1093 * testsuite/util/testsuite_abi.cc: Add new symbol version.
1095 2019-08-29 Jakub Jelinek <jakub@redhat.com>
1097 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
1098 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1100 2019-08-28 Jonathan Wakely <jwakely@redhat.com>
1102 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
1103 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
1104 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
1105 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
1106 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
1107 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
1108 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
1110 2019-08-23 Joseph Myers <joseph@codesourcery.com>
1112 * src/filesystem/ops-common.h [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
1113 (std::filesystem::__gnu_posix::lstat): Add return type.
1115 2019-08-20 Jonathan Wakely <jwakely@redhat.com>
1117 * doc/doxygen/user.cfg.in (INPUT): Remove profile mode headers.
1119 * include/std/numeric (reduce): Fix Doxygen markup.
1122 * include/std/type_traits (is_function): Simplify definition. Remove
1123 partial specializations for function types.
1124 (__is_referenceable): Simplify definition.
1125 * testsuite/20_util/bind/91371.cc: New test.
1126 * testsuite/20_util/is_function/91371.cc: New test.
1127 * testsuite/20_util/is_function/value.cc: Check more pointer types.
1128 * testsuite/20_util/is_member_function_pointer/91371.cc: New test.
1129 * testsuite/20_util/is_object/91371.cc: New test.
1131 2019-08-16 Uros Bizjak <ubizjak@gmail.com>
1133 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
1135 2019-08-15 Jonathan Wakely <jwakely@redhat.com>
1138 * include/bits/std_function.h (__check_func_return_type): Remove.
1139 (function::_Callable): Use std::__is_invocable_impl instead of
1140 __check_func_return_type.
1141 * include/std/type_traits (__is_invocable_impl): Add another defaulted
1142 template parameter. Define a separate partial specialization for
1143 INVOKE and INVOKE<void>. For INVOKE<R> replace is_convertible check
1144 with a check that models delayed temporary materialization.
1145 * testsuite/20_util/function/91456.cc: New test.
1146 * testsuite/20_util/is_invocable/91456.cc: New test.
1148 2019-08-14 Jonathan Wakely <jwakely@redhat.com>
1150 * include/std/type_traits (__is_nullptr_t): Add deprecated attribute.
1152 2019-08-14 Edward Smith-Rowland <3dw4rd@verizon.net>
1154 Implement C++20 p0879 - Constexpr for swap and swap related functions.
1155 * include/std/version (__cpp_lib_constexpr_swap_algorithms): New macro.
1156 * include/bits/algorithmfwd.h (__cpp_lib_constexpr_swap_algorithms):
1158 (iter_swap, make_heap, next_permutation, partial_sort_copy, pop_heap)
1159 (prev_permutation, push_heap, reverse, rotate, sort_heap, swap)
1160 (swap_ranges, nth_element, partial_sort, sort): Add constexpr.
1161 * include/bits/move.h (swap): Add constexpr.
1162 * include/bits/stl_algo.h (__move_median_to_first, __reverse, reverse)
1163 (__gcd, __rotate, rotate, __partition, __heap_select)
1164 (__partial_sort_copy, partial_sort_copy, __unguarded_partition)
1165 (__unguarded_partition_pivot, __partial_sort, __introsort_loop, __sort)
1166 (__introselect, __chunk_insertion_sort, next_permutation)
1167 (prev_permutation, partition, partial_sort, nth_element, sort)
1168 (__iter_swap::iter_swap, iter_swap, swap_ranges): Add constexpr.
1169 * include/bits/stl_algobase.h (__iter_swap::iter_swap, iter_swap)
1170 (swap_ranges): Add constexpr.
1171 * include/bits/stl_heap.h (__push_heap, push_heap, __adjust_heap,
1172 __pop_heap, pop_heap, __make_heap, make_heap, __sort_heap, sort_heap):
1174 * include/std/type_traits (swap): Add constexpr.
1175 * testsuite/25_algorithms/headers/algorithm/synopsis.cc: Add constexpr.
1176 * testsuite/25_algorithms/iter_swap/constexpr.cc: New test.
1177 * testsuite/25_algorithms/make_heap/constexpr.cc: New test.
1178 * testsuite/25_algorithms/next_permutation/constexpr.cc: New test.
1179 * testsuite/25_algorithms/nth_element/constexpr.cc: New test.
1180 * testsuite/25_algorithms/partial_sort/constexpr.cc: New test.
1181 * testsuite/25_algorithms/partial_sort_copy/constexpr.cc: New test.
1182 * testsuite/25_algorithms/partition/constexpr.cc: New test.
1183 * testsuite/25_algorithms/pop_heap/constexpr.cc: New test.
1184 * testsuite/25_algorithms/prev_permutation/constexpr.cc: New test.
1185 * testsuite/25_algorithms/push_heap/constexpr.cc: New test.
1186 * testsuite/25_algorithms/reverse/constexpr.cc: New test.
1187 * testsuite/25_algorithms/rotate/constexpr.cc: New test.
1188 * testsuite/25_algorithms/sort/constexpr.cc: New test.
1189 * testsuite/25_algorithms/sort_heap/constexpr.cc: New test.
1190 * testsuite/25_algorithms/swap/constexpr.cc: New test.
1191 * testsuite/25_algorithms/swap_ranges/constexpr.cc: New test.
1193 2019-08-12 Jonathan Wakely <jwakely@redhat.com>
1196 * src/c++17/string-inst.cc: Use _GLIBCXX_USE_CXX11_ABI=1 by default.
1198 * include/std/tuple (__unpack_std_tuple): New variable template and
1199 partial specializations.
1200 (apply, make_from_tuple): Add noexcept-specifier.
1201 * testsuite/20_util/tuple/apply/2.cc: New test.
1202 * testsuite/20_util/tuple/make_from_tuple/2.cc: New test.
1204 2019-08-09 Corentin Gay <gay@adacore.com>
1206 * testsuite/ext/random/beta_distribution/operators/serialize.cc,
1207 testsuite/ext/random/hypergeometric_distribution/operators/serialize.cc,
1208 testsuite/ext/random/normal_mv_distribution/operators/serialize.cc,
1209 testsuite/ext/random/triangular_distribution/operators/serialize.cc,
1210 testsuite/ext/random/von_mises_distribution/operators/serialize.cc:
1211 Add call to `VERIFY`.
1213 2019-08-09 Alexandre Oliva <oliva@adacore.com>
1215 * include/ext/random
1216 (normal_mv_distribution::param_type::param_type): New private
1217 ctor taking a decomposed varcov matrix, for use by...
1218 (operator>>): ... this, befriended.
1219 * include/ext/random.tcc (operator>>): Use it.
1220 (normal_mv_distribution::param_type::_M_init_lower): Adjust
1221 member function name in exception message.
1223 2019-08-08 Jonathan Wakely <jwakely@redhat.com>
1225 P0325R4 to_array from LFTS with updates
1226 * include/experimental/array (to_array): Qualify call to __to_array.
1227 * include/std/array (__cpp_lib_to_array, to_array): Define for C++20.
1228 * include/std/version (__cpp_lib_to_array): Likewise.
1229 * testsuite/23_containers/array/creation/1.cc: New test.
1230 * testsuite/23_containers/array/creation/2.cc: New test.
1231 * testsuite/23_containers/array/creation/3_neg.cc: New test.
1232 * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
1233 Use zero for dg-error line number.
1235 2019-08-06 Jonathan Wakely <jwakely@redhat.com>
1237 P1651R0 bind_front should not unwrap reference_wrapper
1238 * include/std/functional (bind_front): Don't unwrap reference_wrapper.
1239 * include/std/version (__cpp_lib_bind_front): Update value.
1240 * testsuite/20_util/function_objects/bind_front/1.cc: Fix test for
1242 * testsuite/20_util/function_objects/bind_front/2.cc: New test.
1244 * include/std/numbers [!__STRICT_ANSI__ && _GLIBCXX_USE_FLOAT128]
1245 (e_v, log2e_v, log10e_v, pi_v, inv_pi_v, inv_sqrtpi_v, ln2_v, ln10_v)
1246 (sqrt2_v, sqrt3_v, inv_sqrt3, egamma_v, phi_v): Add explicit
1247 specializations for __float128.
1248 * testsuite/26_numerics/numbers/float128.cc: New test.
1250 2019-08-04 Gerald Pfeifer <gerald@pfeifer.com>
1252 * doc/xml/manual/documentation_hacking.xml: doxygen.org is now
1255 2019-08-01 Edward Smith-Rowland <3dw4rd@verizon.net>
1257 Implement C++20 p0202 - Add Constexpr Modifiers to Functions
1258 in <algorithm> and <utility> Headers.
1259 Implement C++20 p1023 - constexpr comparison operators for std::array.
1260 * include/bits/algorithmfwd.h (all_of, any_of, binary_search, copy,
1261 copy_backward, copy_if, copy_n, equal_range, fill, find_end,
1262 find_if_not, includes, is_heap, is_heap_until, is_partitioned,
1263 is_permutation, is_sorted, is_sorted_until, iter_swap, lower_bound,
1264 none_of, partition_copy, partition_point, remove, remove_if,
1265 remove_copy, remove_copy_if, replace_copy, replace_copy_if,
1266 reverse_copy, rotate_copy, uunique, upper_bound, adjacent_find, count,
1267 count_if, equal, find, find_first_of, find_if, for_each, generate,
1268 generate_n, lexicographical_compare, merge, mismatch, replace,
1269 replace_if, search, search_n, set_difference, set_intersection,
1270 set_symmetric_difference, set_union, transform, unique_copy):
1272 * include/bits/cpp_type_traits.h (__miter_base): Mark constexpr.
1273 * include/bits/predefined_ops.h (_Iter_less_val::operator(),
1274 _Val_less_iter::operator(), _Iter_equal_to_iter::operator(),
1275 _Iter_equal_to_val::operator(), _Iter_equals_val::operator()):
1276 Use const ref instead of ref arg;
1277 (_Iter_less_val, __iter_less_val, _Val_less_iter, __val_less_iter,
1278 __iter_equal_to_iter, __iter_equal_to_val, __iter_comp_val,
1279 _Iter_comp_val, _Val_comp_iter, __val_comp_iter, __iter_equals_val,
1280 _Iter_equals_iter, __iter_comp_iter, _Iter_pred, __pred_iter,
1281 _Iter_comp_to_val, __iter_comp_val, _Iter_comp_to_iter,
1282 __iter_comp_iter): Mark constexpr.
1283 * include/bits/stl_algo.h (__find_if, __find_if_not, __find_if_not_n,
1284 __search, __search_n_aux, __search_n, __find_end, find_end, all_of,
1285 none_of, any_of, find_if_not, is_partitioned, partition_point,
1286 __remove_copy_if, remove_copy, remove_copy_if, copy_if, __copy_n,
1287 copy_n, partition_copy, __remove_if, remove, remove_if, __adjacent_find,
1288 __unique, unique, __unique_copy, reverse_copy, rotate_copy,
1289 __unguarded_linear_insert, __insertion_sort, __unguarded_insertion_sort,
1290 __final_insertion_sort, lower_bound, __upper_bound, upper_bound,
1291 __equal_range, equal_range, binary_search, __includes, includes,
1292 __next_permutation, __prev_permutation, __replace_copy_if, replace_copy,
1293 replace_copy_if, __count_if, is_sorted, __is_sorted_until,
1294 is_sorted_until, __is_permutation, is_permutation, for_each, find,
1295 find_if, find_first_of, adjacent_find, count, count_if, search,
1296 search_n, transform, replace, replace_if, generate, generate_n,
1297 unique_copy, __merge, merge, __set_union, set_union, __set_intersection,
1298 set_intersection, __set_difference, set_difference,
1299 __set_symmetric_difference, set_symmetric_difference): Mark constexpr.
1300 * include/bits/stl_algobase.h (__memmove, __memcmp): New maybe constexpr
1301 wrappers around __builtin_memmove and __builtin_memcmp
1303 (__niter_base, __niter_wrap, __copy_m, __copy_move_a, __copy_move_a2,
1304 copy, move, __copy_move_b, __copy_move_backward_a,
1305 __copy_move_backward_a2, copy_backward, move_backward, __fill_a, fill,
1306 __fill_n_a, fill_n, equal, __lc_rai::__newlast1, __lc_rai::__cnd2,
1307 __lexicographical_compare_impl, __lexicographical_compare,
1308 __lexicographical_compare<true>::__lc, __lexicographical_compare_aux,
1309 __lower_bound, lower_bound, equal, __equal4, lexicographical_compare,
1310 __mismatch, mismatch, __is_heap_until, __is_heap, is_heap_until,
1311 is_heap): Mark constexpr.
1312 * include/bits/stl_heap.h (__is_heap_until, __is_heap, is_heap_until,
1313 is_heap): Mark constexpr.
1314 * include/bits/stl_iterator.h (__niter_base, __miter_base): Mark constexpr.
1315 * include/std/array: Make comparison ops constexpr.
1316 * include/std/utility: Make exchange constexpr.
1317 * include/std/version (__cpp_lib_constexpr_algorithms): New macro.
1318 * testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust.
1319 * testsuite/23_containers/array/tuple_interface/
1320 tuple_element_neg.cc: Adjust.
1321 * testsuite/20_util/exchange/constexpr.cc: New.
1322 * testsuite/23_containers/array/comparison_operators/constexpr.cc: New.
1323 * testsuite/25_algorithms/constexpr_macro.cc: New.
1324 * testsuite/25_algorithms/adjacent_find/constexpr.cc: New.
1325 * testsuite/25_algorithms/all_of/constexpr.cc: New.
1326 * testsuite/25_algorithms/any_of/constexpr.cc: New.
1327 * testsuite/25_algorithms/binary_search/constexpr.cc: New.
1328 * testsuite/25_algorithms/copy/constexpr.cc: New.
1329 * testsuite/25_algorithms/copy_backward/constexpr.cc: New.
1330 * testsuite/25_algorithms/copy_if/constexpr.cc: New.
1331 * testsuite/25_algorithms/copy_n/constexpr.cc: New.
1332 * testsuite/25_algorithms/count/constexpr.cc: New.
1333 * testsuite/25_algorithms/count_if/constexpr.cc: New.
1334 * testsuite/25_algorithms/equal/constexpr.cc: New.
1335 * testsuite/25_algorithms/equal_range/constexpr.cc: New.
1336 * testsuite/25_algorithms/fill/constexpr.cc: New.
1337 * testsuite/25_algorithms/fill_n/constexpr.cc: New.
1338 * testsuite/25_algorithms/find/constexpr.cc: New.
1339 * testsuite/25_algorithms/find_end/constexpr.cc: New.
1340 * testsuite/25_algorithms/find_first_of/constexpr.cc: New.
1341 * testsuite/25_algorithms/find_if/constexpr.cc: New.
1342 * testsuite/25_algorithms/find_if_not/constexpr.cc: New.
1343 * testsuite/25_algorithms/for_each/constexpr.cc: New.
1344 * testsuite/25_algorithms/generate/constexpr.cc: New.
1345 * testsuite/25_algorithms/generate_n/constexpr.cc: New.
1346 * testsuite/25_algorithms/is_heap/constexpr.cc: New.
1347 * testsuite/25_algorithms/is_heap_until/constexpr.cc: New.
1348 * testsuite/25_algorithms/is_partitioned/constexpr.cc: New.
1349 * testsuite/25_algorithms/is_permutation/constexpr.cc: New.
1350 * testsuite/25_algorithms/is_sorted/constexpr.cc: New.
1351 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: New.
1352 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: New.
1353 * testsuite/25_algorithms/lower_bound/constexpr.cc: New.
1354 * testsuite/25_algorithms/merge/constexpr.cc: New.
1355 * testsuite/25_algorithms/mismatch/constexpr.cc: New.
1356 * testsuite/25_algorithms/none_of/constexpr.cc: New.
1357 * testsuite/25_algorithms/partition_copy/constexpr.cc: New.
1358 * testsuite/25_algorithms/partition_point/constexpr.cc: New.
1359 * testsuite/25_algorithms/remove/constexpr.cc: New.
1360 * testsuite/25_algorithms/remove_copy/constexpr.cc: New.
1361 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: New.
1362 * testsuite/25_algorithms/remove_if/constexpr.cc: New.
1363 * testsuite/25_algorithms/replace_copy/constexpr.cc: New.
1364 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: New.
1365 * testsuite/25_algorithms/replace_if/constexpr.cc: New.
1366 * testsuite/25_algorithms/reverse_copy/constexpr.cc: New.
1367 * testsuite/25_algorithms/rotate_copy/constexpr.cc: New.
1368 * testsuite/25_algorithms/search/constexpr.cc: New.
1369 * testsuite/25_algorithms/search_n/constexpr.cc: New.
1370 * testsuite/25_algorithms/set_difference/constexpr.cc: New.
1371 * testsuite/25_algorithms/set_intersection/constexpr.cc: New.
1372 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: New.
1373 * testsuite/25_algorithms/set_union/constexpr.cc: New.
1374 * testsuite/25_algorithms/transform/constexpr.cc: New.
1375 * testsuite/25_algorithms/unique/constexpr.cc: New.
1376 * testsuite/25_algorithms/unique_copy/constexpr.cc: New.
1377 * testsuite/25_algorithms/upper_bound/constexpr.cc: New.
1379 2019-07-31 Jonathan Wakely <jwakely@redhat.com>
1381 * include/std/memory (make_obj_using_allocator): Qualify call to
1382 uses_allocator_construction_args.
1384 P0631R4 Math Constants
1385 * include/Makefile.am: Add new header.
1386 * include/Makefile.in: Regenerate.
1387 * include/precompiled/stdc++.h: Include new header.
1388 * include/std/numbers: New header.
1389 * include/std/version (__cpp_lib_math_constants): Define.
1390 * testsuite/26_numerics/numbers/1.cc: New test.
1391 * testsuite/26_numerics/numbers/2.cc: New test.
1392 * testsuite/26_numerics/numbers/3.cc: New test.
1393 * testsuite/26_numerics/numbers/nonfloat_neg.cc: New test.
1395 * include/std/bit: Add Doxygen comments.
1398 * include/bits/unique_ptr.h (unique_ptr::__safe_conversion_up): Remove
1399 constraints on deleter that should only apply to the constructor.
1400 (unique_ptr<T[], D>::__safe_conversion_up): Likewise.
1401 (unique_ptr<T[], D>::unique_ptr(unique_ptr<U, D>&&)): Restore
1402 constraints on deleter here.
1403 * testsuite/20_util/unique_ptr/assign/91308.cc: New test.
1405 2019-07-29 Jonathan Wakely <jwakely@redhat.com>
1408 * libsupc++/cxxabi.h (__gnu_cxx::recursive_init_error): Do not define
1410 * libsupc++/guard_error.cc (__gnu_cxx::recursive_init_error): Define
1412 * testsuite/18_support/51333.cc: New test.
1414 2019-07-28 Gerald Pfeifer <gerald@pfeifer.com>
1416 * doc/xml/manual/documentation_hacking.xml: Fix broken reference
1417 to the Doxygen manual. Avoid a "here" link on the way.
1418 Fix another broken link to Doxygen docblocks.
1420 2019-07-26 Jonathan Wakely <jwakely@redhat.com>
1422 * include/std/bit (__cpp_lib_endian): Define.
1423 * include/std/version (__cpp_lib_endian): Define.
1424 * testsuite/26_numerics/endian/2.cc: New.
1425 * testsuite/26_numerics/endian/3.cc: New.
1426 * testsuite/26_numerics/endian/4.cc: New.
1428 2019-07-26 François Dumont <fdumont@gcc.gnu.org>
1430 * testsuite/util/testsuite_iterators.h
1431 (bidirectional_iterator_wrapper): Fix type comment.
1432 (random_access_iterator_wrapper): Likewise.
1434 2019-07-25 Jonathan Wakely <jwakely@redhat.com>
1436 * include/std/bit (endian): Move definition here as per P1612R1.
1437 * include/std/type_traits (endian): Remove definition from here.
1438 * testsuite/20_util/endian/1.cc: Rename to ...
1439 * testsuite/26_numerics/endian/1.cc: ... here. Adjust header.
1441 2019-07-25 Martin Liska <mliska@suse.cz>
1442 Dominik Infuhr <dominik.infuehr@theobroma-systems.com>
1445 * testsuite/ext/bitmap_allocator/check_delete.cc: Add
1446 -fno-allocation-dce.
1447 * testsuite/ext/bitmap_allocator/check_new.cc: Likewise.
1448 * testsuite/ext/new_allocator/check_delete.cc: Likewise.
1449 * testsuite/ext/new_allocator/check_new.cc: Likewise.
1451 2019-07-22 Jonathan Wakely <jwakely@redhat.com>
1453 * testsuite/26_numerics/bit/bitops.count/*: Rename to ...
1454 * testsuite/26_numerics/bit/bit.count/*: Here.
1456 * include/std/bit (__rotl, __rotr): Change second parameter from
1457 unsigned int to int and handle negative values.
1458 (rotl, rotr): Remove check for __STRICT_ANSI__. Change second
1459 parameter from unsigned int to int. Add nodiscard attribute.
1460 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Rename to ...
1461 * testsuite/26_numerics/bit/bit.rotate/rotl.cc: Here. Test negative
1463 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Rename to ...
1464 * testsuite/26_numerics/bit/bit.rotate/rotr.cc: Here. Test negative
1467 * include/std/bit (__ceil2): Make unrepresentable results undefined,
1468 as per P1355R2. Add debug assertion. Perform one left shift, not two,
1469 so that out of range values cause undefined behaviour. Ensure that
1470 shift will still be undefined if left operand is promoted.
1471 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Replace checks for
1472 unrepresentable values with checks that they are not core constant
1474 * testsuite/26_numerics/bit/bit.pow.two/ceil2_neg.cc: New test.
1476 2019-07-19 François Dumont <fdumont@gcc.gnu.org>
1478 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): Fix
1479 sized deallocation size computation.
1481 2019-07-19 Andreas Schwab <schwab@linux-m68k.org>
1483 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
1485 2019-07-18 François Dumont <fdumont@gcc.gnu.org>
1487 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): New.
1488 (~_Temporary_buffer()): Use latter.
1489 (_Temporary_buffer(_FIterator, size_type)): Likewise.
1491 2019-07-17 Andreas Schwab <schwab@suse.de>
1493 * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
1495 2019-07-16 Jason Merrill <jason@redhat.com>
1497 * include/std/memory (uses_allocator_construction_args): Add parens
1500 2019-07-12 Jonathan Wakely <jwakely@redhat.com>
1502 * testsuite/29_atomics/atomic_float/1.cc: Fix comment.
1504 * include/experimental/string_view (__detail::__idt): Remove.
1505 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1506 Use __type_identity_t instead of __detail::__idt;
1507 * include/std/string_view (__detail::__idt): Remove.
1508 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1509 Use __type_identity_t instead of __detail::__idt;
1510 * include/std/type_traits (__type_identity_t): New alias template.
1512 * doc/xml/manual/status_cxx2020.xml: Update status for atomic_ref
1513 and floating point atomics.
1515 2019-07-11 Jonathan Wakely <jwakely@redhat.com>
1517 * doc/xml/manual/configure.xml: Improve documentation of
1518 --enable-libstdcxx-time option.
1520 * include/bits/atomic_base.h (__atomic_impl): New namespace for
1521 wrappers around atomic built-ins.
1522 (__atomic_float, __atomic_ref): New class templates for use as base
1524 * include/std/atomic (atomic<float>, atomic<double>)
1525 (atomic<long double>): New explicit specializations.
1526 (atomic_ref): New class template.
1527 (__cpp_lib_atomic_ref): Define.
1528 * include/std/version (__cpp_lib_atomic_ref): Define.
1529 * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error.
1530 * testsuite/29_atomics/atomic_float/1.cc: New test.
1531 * testsuite/29_atomics/atomic_float/requirements.cc: New test.
1532 * testsuite/29_atomics/atomic_ref/deduction.cc: New test.
1533 * testsuite/29_atomics/atomic_ref/float.cc: New test.
1534 * testsuite/29_atomics/atomic_ref/generic.cc: New test.
1535 * testsuite/29_atomics/atomic_ref/integral.cc: New test.
1536 * testsuite/29_atomics/atomic_ref/pointer.cc: New test.
1537 * testsuite/29_atomics/atomic_ref/requirements.cc: New test.
1539 2019-07-06 Jonathan Wakely <jwakely@redhat.com>
1541 * include/ext/atomicity.h (__exchange_and_add, __atomic_add): Replace
1542 throw() with _GLIBCXX_NOTHROW.
1543 (__atomic_add_dispatch): Return after performing atomic increment.
1545 2019-07-05 Jonathan Wakely <jwakely@redhat.com>
1547 * include/ext/atomicity.h [_GLIBCXX_ATOMIC_BUILTINS] (__atomic_add)
1548 (__exchange_and_add): Replace static specifier with always_inline
1550 (__exchange_and_add_single, __atomic_add_single): Likewise.
1551 (__exchange_and_add_dispatch, __atomic_add_dispatch): Likewise. Also
1552 combine !__gthread_active_p() and !__GTHREADS branches.
1554 2019-07-03 Jonathan Wakely <jwakely@redhat.com>
1557 * acinclude.m4 (libtool_VERSION): Bump to 6:27:0.
1558 * configure: Regenerate.
1559 * config/abi/pre/gnu.ver (GLIBCXX_3.4.27): Add new version. Export
1561 * testsuite/27_io/filesystem/iterators/91067.cc: New test.
1562 * testsuite/util/testsuite_abi.cc: Add new symbol version.
1564 2019-07-02 Jonathan Wakely <jwakely@redhat.com>
1566 * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_LAUNDER)
1567 (_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED): Use __has_builtin
1568 instead of __is_identifier to detect Clang support.
1570 2019-07-02 Jim Wilson <jimw@sifive.com>
1572 * configure.ac (BUILD_PDF): Also test for doxygen, dot, xsltproc,
1574 * configure: Regenerate.
1576 2019-06-27 Jonathan Wakely <jwakely@redhat.com>
1579 * src/c++17/fs_path.cc (filesystem_error::_Impl): Use a string_view
1580 for the what_arg parameters.
1581 (filesystem_error::filesystem_error): Pass system_error::what() to
1582 the _Impl constructor.
1583 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Ensure that
1584 filesystem_error::what() contains system_error::what().
1586 2019-06-26 Jonathan Wakely <jwakely@redhat.com>
1588 * include/std/charconv (chars_format): Define bitmask type.
1589 * testsuite/20_util/to_chars/chars_format.cc: New test.
1591 * include/bits/fs_path.h (path::__is_encoded_char): Use __is_one_of.
1592 * include/std/bit (_If_is_unsigned_integer_type): Remove.
1593 (_If_is_unsigned_integer): Use __is_unsigned_integer.
1594 (rotl(byte, unsigned), rotr(byte, unsigned), countl_zero(byte))
1595 (countl_one(byte), countr_zero(byte), countr_one(byte))
1596 (popcount(byte), ispow2(byte), ceil2(byte), floor2(byte))
1597 (log2p1(byte)): Remove.
1598 * include/std/charconv (__detail::__is_one_of): Move to <type_traits>.
1599 (__detail::__is_int_to_chars_type): Remove.
1600 (__detail::__integer_to_chars_result_type): Use __is_signed_integer
1601 and __is_unsigned_integer.
1602 * include/std/type_traits (__is_one_of): Move here from <charconv>.
1603 (__is_signed_integer, __is_unsigned_integer): New helpers.
1604 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Remove test for
1606 * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: Likewise.
1607 * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: Likewise.
1608 * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: Likewise.
1609 * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Likewise.
1610 * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
1611 * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
1612 * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
1613 * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
1614 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Likewise.
1615 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Likewise.
1617 2019-06-25 Jonathan Wakely <jwakely@redhat.com>
1619 * include/std/numeric (midpoint(T, T)): Avoid std::abs in constexpr
1622 2019-06-25 Jakub Jelinek <jakub@redhat.com>
1624 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
1625 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
1626 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
1627 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
1629 2019-06-24 Jonathan Wakely <jwakely@redhat.com>
1631 * include/std/numeric (midpoint(T, T)): Change implementation for
1632 floating-point types to avoid incorrect rounding of denormals.
1633 * testsuite/26_numerics/midpoint/floating.cc: Add check for correct
1634 rounding with denormals.
1635 * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line numbers.
1636 * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
1638 * testsuite/18_support/headers/cfloat/values_c++17.cc: New test.
1640 2019-06-20 Jonathan Wakely <jwakely@redhat.com>
1642 * acinclude.m4 (GLIBCXX_ENABLE_DEBUG): Only do debug build for final
1644 * configure: Regenerate.
1646 * include/std/variant (_Variant_storage, _Extra_visit_slot_needed):
1647 Qualify calls to __never_valueless.
1649 * doc/xml/manual/status_cxx2017.xml: Fix outdated reference to
1650 C++17 working draft.
1652 * testsuite/libstdc++-prettyprinters/simple.cc: Use non-palindromic
1653 vector<bool> for test.
1654 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1656 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
1658 * include/bits/stream_iterator.h (istream_iterator::_M_equal()): Make
1660 (istream_iterator::_M_read()): Do not check stream state before
1661 attempting extraction. Set stream pointer to null when extraction
1663 (operator==(const istream_iterator&, const istream_iterator&)): Change
1664 to be a hidden friend of istream_iterator.
1665 (operator!=(const istream_iterator&, const istream_iterator&)):
1667 (ostream_iterator::ostream_iterator()): Add default constructor.
1668 (ostream_iterator::ostream_iterator(ostream_type*, const C*)): Use
1670 * testsuite/24_iterators/istream_iterator/1.cc: New test.
1671 * testsuite/24_iterators/ostream_iterator/1.cc: New test.
1672 * testsuite/24_iterators/ostream_iterator/70766.cc: Also check
1673 constructor taking a string.
1674 * testsuite/24_iterators/ostream_iterator/requirements/constexpr.cc:
1677 2019-06-19 Michael Weghorn <m.weghorn@posteo.de>
1678 Jonathan Wakely <jwakely@redhat.com>
1681 * python/libstdcxx/v6/printers.py (StdVectorPrinter._iterator): Use
1682 values of type bool for vector<bool> elements.
1683 * testsuite/libstdc++-prettyprinters/simple.cc: Test vector<bool>.
1684 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1686 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
1688 PR libstdc++/90920 partially revert r263433
1689 * include/bits/stl_algo.h (__rotate): Restore checks for empty ranges.
1690 (rotate): Remove checks.
1691 * testsuite/25_algorithms/rotate/90920.cc: New test.
1693 * include/std/numeric (reduce(Iter, Iter, T, BinOp)): Fix value
1694 category used in invocable check.
1695 (reduce(Iter, Iter, T)): Pass initial value as rvalue.
1696 * testsuite/26_numerics/reduce/2.cc: New test.
1698 2019-06-18 Jonathan Wakely <jwakely@redhat.com>
1700 * include/bits/algorithmfwd.h: Change title of doc group.
1701 * include/bits/stl_algo.h (for_each_n): Add new C++17 algorithm from
1703 * include/bits/stl_numeric.h: Define doc group and add algos to it.
1704 * include/std/numeric (__is_random_access_iter): New internal trait.
1705 (reduce, transform_reduce, exclusive_scan, inclusive_scan)
1706 (transform_exclusive_scan, transform_inclusive_scan): Likewise.
1707 * testsuite/25_algorithms/for_each/for_each_n.cc: New test.
1708 * testsuite/26_numerics/exclusive_scan/1.cc: New test.
1709 * testsuite/26_numerics/inclusive_scan/1.cc: New test.
1710 * testsuite/26_numerics/reduce/1.cc: New test.
1711 * testsuite/26_numerics/transform_exclusive_scan/1.cc: New test.
1712 * testsuite/26_numerics/transform_inclusive_scan/1.cc: New test.
1713 * testsuite/26_numerics/transform_reduce/1.cc: New test.
1714 * testsuite/util/testsuite_iterators.h (test_container::size()): New
1717 * include/c_global/cstddef (std::byte): Perform arithmetic operations
1718 in unsigned int to avoid promotion (LWG 2950).
1720 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1722 * testsuite/20_util/allocator/1.cc: Add sized delete, which fixes a
1725 * include/c_global/cmath (__lerp, lerp): Add noexcept (LWG 3201).
1727 PR libstdc++/90281 Fix string conversions for filesystem::path
1728 * include/bits/fs_path.h (u8path) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
1729 Use codecvt_utf8_utf16 instead of codecvt_utf8. Use
1730 __str_codecvt_in_all to fail for partial conversions and throw on
1732 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS && _GLIBCXX_USE_CHAR8_T]
1733 (path::_Cvt<char8_t>): Add explicit specialization.
1734 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Remove
1736 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1737 if-constexpr instead of dispatching to _S_wconvert. Use codecvt
1738 instead of codecvt_utf8. Use __str_codecvt_in_all and
1739 __str_codecvt_out_all.
1740 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1741 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1742 (path::_S_str_convert) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1743 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1744 with allocator. Use __str_codecvt_out_all. Fallthrough to POSIX code
1745 after converting to UTF-8.
1746 (path::_S_str_convert): Use codecvt instead of codecvt_utf8. Use
1747 __str_codecvt_in_all.
1748 (path::string): Fix initialization of string types with different
1750 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1751 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1752 * include/bits/locale_conv.h (__do_str_codecvt): Reorder static and
1754 (__str_codecvt_out_all, __str_codecvt_in_all): New functions that
1755 return false for partial conversions.
1756 * include/experimental/bits/fs_path.h (u8path):
1757 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Implement correctly for mingw.
1758 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Add
1759 missing handling for char8_t. Use codecvt and codecvt_utf8_utf16
1760 instead of codecvt_utf8. Use __str_codecvt_in_all and
1761 __str_codecvt_out_all.
1762 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1763 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1764 (path::string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1765 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1766 with allocator. Use __str_codecvt_out_all and __str_codecvt_in_all.
1767 (path::string) [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1768 __str_codecvt_in_all.
1769 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1770 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1771 * src/c++17/fs_path.cc (path::_S_convert_loc): Use
1772 __str_codecvt_in_all.
1773 * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
1774 * testsuite/27_io/filesystem/path/construct/90281.cc: New test.
1775 * testsuite/27_io/filesystem/path/factory/u8path.cc: New test.
1776 * testsuite/27_io/filesystem/path/native/string.cc: Test with empty
1777 strings and with Unicode characters outside the basic multilingual
1779 * testsuite/27_io/filesystem/path/native/alloc.cc: New test.
1780 * testsuite/experimental/filesystem/path/construct/90281.cc: New test.
1781 * testsuite/experimental/filesystem/path/factory/u8path.cc: New test.
1782 * testsuite/experimental/filesystem/path/native/alloc.cc: New test.
1783 * testsuite/experimental/filesystem/path/native/string.cc: Test with
1784 empty strings and with Unicode characters outside the basic
1787 2019-06-17 François Dumont <fdumont@gcc.gnu.org>
1788 Jonathan Wakely <jwakely@redhat.com>
1790 * include/bits/hashtable.h (struct _Hashtable::_Scoped_node): New type.
1791 (_Hashtable::_M_insert_unique_node): Add key_type parameter. Don't
1792 deallocate node if insertion fails.
1793 (_Hashtable::_M_insert_multi_node): Likewise.
1794 (_Hashtable::_M_reinsert_node): Pass additional key argument.
1795 (_Hashtable::_M_reinsert_node_multi): Likewise. Remove FIXME.
1796 (_Hashtable::_M_extract_node(size_t, __node_base*)): New function.
1797 (_Hashtable::extract(const_iterator)): Use _M_extract_node.
1798 (_Hashtable::extract(const _Key&)): Likewise.
1799 (_Hashtable::_M_merge_unique): Pass additional key argument.
1800 (_Hashtable::_M_emplace<Args>(true_type, Args&&...)): Likewise. Use
1802 (_Hashtable::_M_insert): Likewise.
1803 * include/bits/hashtable_policy.h (_Map_base::operator[]): Likewise.
1804 (_Hashtable_alloc): Add comments to functions with misleading names.
1806 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1808 * testsuite/20_util/bad_function_call/what.cc: Include <string> header
1810 * testsuite/20_util/shared_ptr/cons/weak_ptr_expired.cc: Likewise.
1811 * testsuite/20_util/tuple/cons/allocator_with_any.cc: Include <memory>
1812 header for std::allocator.
1813 * testsuite/23_containers/array/tuple_interface/tuple_element.cc: Add
1814 using-declaration for std::size_t.
1815 * testsuite/23_containers/array/tuple_interface/tuple_size.cc:
1817 * testsuite/23_containers/deque/cons/55977.cc: Include <istream> for
1819 * testsuite/23_containers/vector/cons/55977.cc: Likewise.
1820 * testsuite/experimental/map/erasure.cc: Include <string> for
1822 * testsuite/experimental/unordered_map/erasure.cc: Likewise.
1824 2019-06-14 Jonathan Wakely <jwakely@redhat.com>
1826 * include/experimental/type_traits (experimental::nonesuch): Use
1827 pragma to disable -Wctor-dtor-privacy warnings.
1828 * include/std/type_traits (__is_convertible_helper<From, To, false>)
1829 (__is_nt_convertible_helper<From, To, false>, __nonesuch): Likewise.
1831 * include/std/version (__cpp_lib_bind_front): Add missing macro.
1833 2019-06-12 Jonathan Wakely <jwakely@redhat.com>
1835 * include/std/algorithm (__cpp_lib_parallel_algorithm): Fix value.
1836 * include/std/memory (__cpp_lib_parallel_algorithm): Likewise.
1837 * include/std/numeric (__cpp_lib_parallel_algorithm): Likewise.
1838 * testsuite/25_algorithms/pstl/feature_test.cc: New test.
1840 * include/std/variant (get<T>, get<N>, get_if<N>, get_if<T>)
1841 (variant::emplace): Change static_assert messages from "should be"
1843 (hash<monostate>::operator()): Remove name of unused parameter.
1845 * include/std/mutex (scoped_lock::~scoped_lock()): Use fold
1848 * include/Makefile.am: Add new <bits/charconv.h> header.
1849 * include/Makefile.in: Regenerate.
1850 * include/bits/basic_string.h (to_string(int), to_string(unsigned))
1851 (to_string(long), to_string(unsigned long), to_string(long long))
1852 (to_string(unsigned long long)): Rewrite to use __to_chars_10_impl.
1853 * include/bits/charconv.h: New header.
1854 (__detail::__to_chars_len): Move here from <charconv>.
1855 (__detail::__to_chars_10_impl): New function extracted from
1856 __detail::__to_chars_10.
1857 * include/std/charconv (__cpp_lib_to_chars): Add, but comment out.
1858 (__to_chars_unsigned_type): New class template that reuses
1859 __make_unsigned_selector_base::__select to pick a type.
1860 (__unsigned_least_t): Redefine as __to_chars_unsigned_type<T>::type.
1861 (__detail::__to_chars_len): Move to new header.
1862 (__detail::__to_chars_10): Add inline specifier. Move code doing the
1863 output to __detail::__to_chars_10_impl and call that.
1864 * include/std/version (__cpp_lib_to_chars): Add, but comment out.
1865 * testsuite/21_strings/basic_string/numeric_conversions/char/
1866 to_string.cc: Fix reference in comment. Remove unused variable.
1867 * testsuite/21_strings/basic_string/numeric_conversions/char/
1868 to_string_int.cc: New test.
1870 2019-06-09 Edward Smith-Rowland <3dw4rd@verizon.net>
1872 Fix ConstexprIterator requirements tests - No constexpr algorithms!
1873 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
1874 Replace copy with hand-rolled loop.
1875 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
1878 2019-06-08 Edward Smith-Rowland <3dw4rd@verizon.net>
1880 Test for C++20 p0858 - ConstexprIterator requirements.
1881 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
1883 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
1886 2019-06-07 Thomas Rodgers <trodgers@redhat.com>
1888 Rename PSTL macro's consistent with libstdc++ (and llvm upstream
1890 * include/bits/c++config: Rename all macros of the form __PSTL* to
1892 * include/std/algorithm: Likewise.
1893 * include/std/execution: Likewise.
1894 * include/std/numeric: Likewise.
1895 * include/std/memory: Likewise.
1896 * include/pstl/glue_memory_impl.h: Likewise.
1897 * include/pstl/numeric_impl.h: Likewise.
1898 * include/pstl/glue_memory_defs.h: Likewise.
1899 * include/pstl/execution_defs.h: Likewise.
1900 * include/pstl/utils.h: Likewise.
1901 * include/pstl/algorithm_fwd.h: Likewise.
1902 * include/pstl/unseq_backend_simd.h: Likewise.
1903 * include/pstl/glue_execution_defs.h: Likewise.
1904 * include/pstl/algorithm_impl.h: Likewise.
1905 * include/pstl/parallel_impl.h: Likewise.
1906 * include/pstl/memory_impl.h: Likewise.
1907 * include/pstl/glue_numeric_defs.h: Likewise.
1908 * include/pstl/parallel_backend_utils.h: Likewise.
1909 * include/pstl/glue_algorithm_defs.h: Likewise.
1910 * include/pstl/parallel_backend.h: Likewise.
1911 * include/pstl/glue_numeric_impl.h: Likewise.
1912 * include/pstl/parallel_backend_tbb.h: Likewise.
1913 * include/pstl/numeric_fwd.h: Likewise.
1914 * include/pstl/glue_algorithm_impl.h: Likewise.
1915 * include/pstl/execution_impl.h: Likewise.
1916 * include/pstl/pstl_config.h: Likewise.
1917 * testsuite/util/pstl/pstl_test_config.h: Likewise.
1918 * testsuite/util/pstl/test_utils.h: Likewise.
1919 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
1921 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
1923 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
1925 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: Likewise.
1926 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: Likewise.
1927 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: Likewise.
1928 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: Likewise.
1929 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
1931 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: Likewise.
1932 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: Likewise.
1933 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: Likewise.
1934 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: Likewise.
1935 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
1937 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: Likewise.
1938 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: Likewise.
1939 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: Likewise.
1940 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: Likewise.
1941 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
1943 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: Likewise.
1944 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: Likewise.
1945 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
1947 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
1949 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: Likewise.
1950 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
1951 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
1953 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
1955 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
1957 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
1959 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
1961 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
1963 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
1965 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
1967 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
1969 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
1971 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
1973 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: Likewise.
1975 Rename header guards to be consistent with upstream project's
1977 * include/pstl/glue_memory_impl.h: Rename all macros of the form
1978 _PSTL_(.*)_H to _PSTL_\U\1_H.
1979 * include/pstl/numeric_impl.h: Likewise.
1980 * include/pstl/glue_memory_defs.h: Likewise.
1981 * include/pstl/execution_defs.h: Likewise.
1982 * include/pstl/utils.h: Likewise.
1983 * include/pstl/algorithm_fwd.h: Likewise.
1984 * include/pstl/unseq_backend_simd.h: Likewise.
1985 * include/pstl/glue_execution_defs.h: Likewise.
1986 * include/pstl/algorithm_impl.h: Likewise.
1987 * include/pstl/parallel_impl.h: Likewise.
1988 * include/pstl/memory_impl.h: Likewise.
1989 * include/pstl/glue_numeric_defs.h: Likewise.
1990 * include/pstl/parallel_backend_utils.h: Likewise.
1991 * include/pstl/glue_algorithm_defs.h: Likewise.
1992 * include/pstl/parallel_backend.h: Likewise.
1993 * include/pstl/glue_numeric_impl.h: Likewise.
1994 * include/pstl/parallel_backend_tbb.h: Likewise.
1995 * include/pstl/numeric_fwd.h: Likewise.
1996 * include/pstl/glue_algorithm_impl.h: Likewise.
1997 * include/pstl/execution_impl.h: Likewise.
1998 * include/pstl/pstl_config.h: Likewise.
1999 * testsuite/util/pstl/pstl_test_config.h: Likewise.
2001 Synchronize libstdc++ parallel algorithms with upstream
2003 * include/pstl/algorithm_fwd.h: Synchronize with
2004 upstream PSTL project.
2005 * include/pstl/algorithm_impl.h: Likewise.
2006 * include/pstl/execution_defs.h: Likewise.
2007 * include/pstl/execution_impl.h: Likewise.
2008 * include/pstl/glue_algorithm_impl.h: Likewise.
2009 * include/pstl/glue_execution_defs.h: Likewise.
2010 * include/pstl/numeric_fwd.h: Likewise.
2011 * include/pstl/numeric_impl.h: Likewise.
2012 * include/pstl/parallel_backend.h: Likewise.
2013 * include/pstl/pstl_config.h: Likewise.
2014 * include/pstl/unseq_backend_simd.h: Likewise.
2015 * include/pstl/parallel_backend_serial.h: New file.
2016 * include/Makefile.am (pstl_headers): Add
2017 parallel_backend_serial.h.
2018 * include/Makefile.in: Regenerate.
2020 Clean up non-conforming names
2021 * include/pstl/algorithm_impl.h (__parallel_set_union_op):
2022 Uglfiy copy_range1 and copy_range2
2023 (__pattern_walk2_n): Rename local n to __n
2024 * include/pstl/parallel_backend_tbb.h (struct __binary_no_op):
2025 Rename parameter _T to _Tp.
2027 Integrate non-TBB serial backend support
2028 * include/bits/c++config: Adjust TBB detection logic to select serial
2029 PSTL backend if no TBB present.
2030 * testsuite/utils/pstl/test_utils.h: Remove check for
2031 _PSTL_USE_PAR_POLICIES
2033 2019-06-07 Jonathan Wakely <jwakely@redhat.com>
2035 * testsuite/24_iterators/container_access.cc: Move dg-options before
2036 dg-do directive so the target check uses the -std option.
2039 * configure: Regenerate.
2040 * src/Makefile.am (stamp-debug): Also test for missing makefile.
2041 * src/Makefile.in: Regenerate.
2043 2019-06-06 Jonathan Wakely <jwakely@redhat.com>
2045 * include/std/array: Do not include <stdexcept>.
2046 * include/std/optional: Include <exception> and
2047 <bits/exception_defines.h> instead of <stdexcept>.
2048 * testsuite/20_util/function_objects/searchers.cc: Include <cctype>
2050 * testsuite/20_util/tuple/cons/deduction.cc: Include <memory> for
2052 * testsuite/23_containers/map/erasure.cc: Include <string>.
2053 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
2055 * testsuite/23_containers/deque/requirements/dr438/assign_neg.cc: Add
2056 dg-prune-output for different C++98 diagnostic.
2057 * testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc:
2059 * testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc:
2061 * testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
2063 * testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
2065 * testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
2067 * testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc:
2069 * testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
2071 * testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
2073 * testsuite/23_containers/vector/requirements/dr438/
2074 constructor_1_neg.cc: Likewise.
2075 * testsuite/23_containers/vector/requirements/dr438/
2076 constructor_2_neg.cc: Likewise.
2077 * testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
2079 * testsuite/libstdc++-prettyprinters/compat.cc: Do not run for C++98.
2081 * testsuite/23_containers/unordered_map/requirements/debug_container.cc:
2082 Do not test allocator rebinding extension for C++2a.
2083 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
2084 dg-do directive for C++17 and C++2a.
2086 * testsuite/23_containers/deque/requirements/explicit_instantiation/
2087 1_c++0x.cc: Remove redundant test.
2088 * testsuite/23_containers/deque/requirements/explicit_instantiation/
2089 2.cc: Use target selector instead of preprocessor condition.
2090 * testsuite/23_containers/deque/requirements/explicit_instantiation/
2091 3.cc: Do not run test for C++2a.
2092 * testsuite/23_containers/forward_list/requirements/
2093 explicit_instantiation/3.cc: Likewise.
2094 * testsuite/23_containers/forward_list/requirements/
2095 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2097 * testsuite/23_containers/list/requirements/explicit_instantiation/
2098 1_c++0x.cc: Remove redundant test.
2099 * testsuite/23_containers/list/requirements/explicit_instantiation/
2100 2.cc: Use target selector instead of preprocessor condition.
2101 * testsuite/23_containers/list/requirements/explicit_instantiation/
2102 3.cc: Do not run test for C++2a.
2103 * testsuite/23_containers/list/requirements/explicit_instantiation/
2104 5.cc: Do not test allocator rebinding extension for C++2a.
2105 * testsuite/23_containers/map/requirements/explicit_instantiation/
2106 1_c++0x.cc: Remove redundant test.
2107 * testsuite/23_containers/map/requirements/explicit_instantiation/
2108 2.cc: Adjust comment.
2109 * testsuite/23_containers/map/requirements/explicit_instantiation/
2110 3.cc: Do not run test for C++2a.
2111 * testsuite/23_containers/map/requirements/explicit_instantiation/
2112 5.cc: Do not test allocator rebinding extension for C++2a.
2113 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
2114 1_c++0x.cc: Remove redundant test.
2115 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
2116 3.cc: Do not run test for C++2a.
2117 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
2118 5.cc: Do not test allocator rebinding extension for C++2a.
2119 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
2120 3.cc: Do not run test for C++2a.
2121 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
2122 5.cc: Do not test allocator rebinding extension for C++2a.
2123 * testsuite/23_containers/set/requirements/explicit_instantiation/3.cc:
2124 Do not run test for C++2a.
2125 * testsuite/23_containers/set/requirements/explicit_instantiation/
2126 1_c++0x.cc: Remove redundant test.
2127 * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc:
2128 Do not test allocator rebinding extension for C++2a.
2129 * testsuite/23_containers/unordered_map/requirements/
2130 explicit_instantiation/3.cc: Likewise.
2131 * testsuite/23_containers/unordered_map/requirements/
2132 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2134 * testsuite/23_containers/unordered_multimap/requirements/
2135 explicit_instantiation/3.cc: Do not run test for C++2a.
2136 * testsuite/23_containers/unordered_multimap/requirements/
2137 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2139 * testsuite/23_containers/unordered_multiset/requirements/
2140 explicit_instantiation/3.cc: Do not run test for C++2a.
2141 * testsuite/23_containers/unordered_multiset/requirements/
2142 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2144 * testsuite/23_containers/unordered_set/requirements/
2145 explicit_instantiation/3.cc: Do not run test for C++2a.
2146 * testsuite/23_containers/unordered_set/requirements/
2147 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2149 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
2150 2.cc: Remove redundant test.
2151 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
2152 3.cc: Do not run test for C++2a.
2153 * testsuite/23_containers/vector/requirements/explicit_instantiation/
2156 * include/std/type_traits (is_empty, is_polymorphic, is_final)
2157 (is_abstract, is_aggregate): Remove static_assert.
2158 * testsuite/20_util/is_abstract/incomplete_neg.cc: Check for error
2160 * testsuite/20_util/is_aggregate/incomplete_neg.cc: Likewise. Add
2161 missing -std=gnu++17 option.
2162 * testsuite/20_util/is_empty/incomplete_neg.cc: New test.
2163 * testsuite/20_util/is_final/incomplete_neg.cc: New test.
2164 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: Check for error
2167 * testsuite/18_support/set_terminate.cc: Do not run for C++98 mode.
2168 * testsuite/18_support/set_unexpected.cc: Likewise.
2169 * testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
2171 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix constexpr
2172 function to be valid in C++11.
2173 * testsuite/26_numerics/complex/proj.cc: Do not run for C++98 mode.
2174 * testsuite/experimental/names.cc: Do not run for C++98 mode. Do not
2175 include Library Fundamentals or Networking headers in C++11 mode.
2176 * testsuite/ext/char8_t/atomic-1.cc: Do not run for C++98 mode.
2178 * include/std/tuple (_TC): Replace with _TupleConstraints.
2179 (_TupleConstraints): New helper for SFINAE constraints, with more
2180 expressive member functions to reduce duplication when used.
2181 (tuple::_TC2, tuple::_TMC, tuple::_TNTC): Remove.
2182 (tuple::_TCC): Replace dummy type parameter with bool non-type
2183 parameter that can be used to check the pack size.
2184 (tuple::_ImplicitDefaultCtor, tuple::_ExplicitDefaultCtor)
2185 (tuple::_ImplicitCtor, tuple::_ExplicitCtor): New alias templates for
2186 checking constraints in constructors.
2187 (tuple::__valid_args, tuple::_UseOtherCtor, tuple::__use_other_ctor):
2189 (tuple::tuple): Use new helpers to reduce repitition in constraints.
2190 (tuple::tuple(allocator_arg_t, const Alloc&)): Constrain.
2191 (tuple<T1, T2>::_TCC, tuple<T1, T2>::_ImplicitDefaultCtor)
2192 (tuple<T1, T2>::_ExplicitDefaultCtor, tuple<T1, T2>::_ImplicitCtor)
2193 (tuple<T1, T2>::_ExplicitCtor): New alias templates for checking
2194 constraints in constructors.
2195 (tuple::__is_alloc_arg()): New SFINAE helpers.
2196 (tuple<T1, T2>::tuple): Use new helpers to reduce repitition in
2198 (tuple<T1, T2>::tuple(allocator_arg_t, const Alloc&)): Constrain.
2199 * testsuite/20_util/tuple/cons/90700.cc: New test.
2200 * testsuite/20_util/tuple/cons/allocators.cc: Add default constructor
2201 to meet new constraint on allocator-extended default constructor.
2203 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
2205 * include/bits/stl_map.h (map): Disable static assert for C++98 mode.
2206 * include/bits/stl_multimap.h (multimap): Likewise.
2208 2019-06-03 François Dumont <fdumont@gcc.gnu.org>
2210 Rename variables and cleanup comments.
2211 * include/bits/hashtable_policy.h
2212 * include/bits/hashtable.h
2214 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
2216 * doc/xml/manual/status_cxx2020.xml: Add missing row for P0920R2.
2217 Fix bgcolor for P0340R3.
2218 * doc/html/*: Regenerate.
2221 * doc/xml/manual/status_cxx2014.xml: Document what's missing from
2222 <experimental/memory_resource>.
2223 * doc/xml/manual/status_cxx2020.xml: Document status of P1285R0,
2224 P0339R6, P0340R3, P1164R1 and P1357R1.
2225 * doc/html/*: Regenerate.
2227 * doc/xml/manual/status_cxx2020.xml: Document P1463R1 status.
2228 * include/bits/forward_list.h [__cplusplus > 201703]: Enable
2229 allocator::value_type assertion for C++2a.
2230 * include/bits/hashtable.h: Likewise.
2231 * include/bits/stl_deque.h: Likewise.
2232 * include/bits/stl_list.h: Likewise.
2233 * include/bits/stl_map.h: Likewise.
2234 * include/bits/stl_multimap.h: Likewise.
2235 * include/bits/stl_multiset.h: Likewise.
2236 * include/bits/stl_set.h: Likewise.
2237 * include/bits/stl_vector.h: Likewise.
2238 * testsuite/23_containers/deque/48101-3_neg.cc: New test.
2239 * testsuite/23_containers/forward_list/48101-3_neg.cc: New test.
2240 * testsuite/23_containers/list/48101-3_neg.cc: New test.
2241 * testsuite/23_containers/map/48101-3_neg.cc: New test.
2242 * testsuite/23_containers/multimap/48101-3_neg.cc: New test.
2243 * testsuite/23_containers/multiset/48101-3_neg.cc: New test.
2244 * testsuite/23_containers/set/48101-3_neg.cc: New test.
2245 * testsuite/23_containers/unordered_map/48101-3_neg.cc: New test.
2246 * testsuite/23_containers/unordered_multimap/48101-3_neg.cc: New test.
2247 * testsuite/23_containers/unordered_multiset/48101-3_neg.cc: New test.
2248 * testsuite/23_containers/unordered_set/48101-3_neg.cc: New test.
2249 * testsuite/23_containers/vector/48101-3_neg.cc: New test.
2251 2019-05-31 Gerald Pfeifer <gerald@pfeifer.com>
2253 * doc/xml/manual/allocator.xml: Move hoard.org back to http.
2255 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2257 * include/std/tuple (tuple<>): Add noexcept to allocator-extended
2259 (tuple<T1, T2>::__nothrow_default_constructible()): New helper
2261 (tuple<T1, T2>::tuple(), explicit tuple<T1, T2>::tuple()): Use helper.
2263 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2265 * src/c++98/bitmap_allocator.cc: Add using-declaration for size_t.
2268 * libsupc++/eh_term_handler.cc: Include eh_term_handler.h to get
2269 definition of _GLIBCXX_DEFAULT_TERM_HANDLER.
2270 * libsupc++/eh_term_handler.h: New header defining
2271 _GLIBCXX_DEFAULT_TERM_HANDLER.
2272 * libsupc++/eh_terminate.cc: Include eh_term_handler.h.
2273 (set_terminate): Restore default handler when argument is null.
2274 (set_unexpected): Likewise.
2275 * testsuite/18_support/set_terminate.cc: New test.
2276 * testsuite/18_support/set_unexpected.cc: New test.
2278 * include/backward/hashtable.h (size_t, ptrdiff_t)
2279 (forward_iterator_tag, input_iterator_tag, _Construct, _Destroy)
2280 (distance, vector, pair, __iterator_category): Remove
2281 using-declarations that add these names to namespace __gnu_cxx.
2282 * include/ext/bitmap_allocator.h (size_t, ptrdiff_t): Likewise.
2283 * include/ext/debug_allocator.h (size_t): Likewise.
2284 * include/ext/functional (size_t, unary_function, binary_function)
2285 (mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t, const_mem_fun1_ref_t):
2287 * include/ext/malloc_allocator.h (size_t, ptrdiff_t): Likewise.
2288 * include/ext/memory (ptrdiff_t, pair, __iterator_category): Likewise.
2289 * include/ext/mt_allocator.h (size_t, ptrdiff_t): Likewise.
2290 * include/ext/new_allocator.h (size_t, ptrdiff_t): Likewise.
2291 * include/ext/numeric (iota): Fix outdated comment.
2292 * include/ext/pool_allocator.h (size_t, ptrdiff_t): Likewise.
2293 * include/ext/rb_tree (_Rb_tree, allocator): Likewise.
2294 * include/ext/rope (size_t, ptrdiff_t, allocator, _Destroy): Likewise.
2295 * include/ext/ropeimpl.h (size_t, printf, basic_ostream)
2296 (__throw_length_error, _Destroy, std::__uninitialized_fill_n_a):
2298 * include/ext/slist (size_t, ptrdiff_t, _Construct, _Destroy)
2299 (allocator, __true_type, __false_type): Likewise.
2301 2019-05-31 Antony Polukhin <antoshkka@gmail.com>
2304 * include/std/type_traits __type_identity, __is_complete_or_unbounded):
2305 New helpers for checking preconditions in traits.
2306 (is_trivial, is_trivially_copyable, is_standard_layout, is_pod)
2307 (is_literal_type, is_empty, is_polymorphic, is_final, is_abstract)
2308 (is_destructible, is_nothrow_destructible, is_constructible)
2309 (is_default_constructible, is_copy_constructible)
2310 (is_move_constructible, is_nothrow_default_constructible)
2311 (is_nothrow_constructible, is_nothrow_copy_constructible)
2312 (is_nothrow_move_constructible, is_copy_assignable, is_move_assignable)
2313 (is_nothrow_assignable, is_nothrow_copy_assignable)
2314 (is_nothrow_move_assignable, is_trivially_constructible)
2315 (is_trivially_copy_constructible, is_trivially_move_constructible)
2316 is_trivially_assignable, is_trivially_copy_assignable)
2317 (is_trivially_move_assignable, is_trivially_destructible)
2318 (alignment_of, is_swappable, is_nothrow_swappable, is_invocable)
2319 (is_invocable_r, is_nothrow_invocable)
2320 (has_unique_object_representations, is_aggregate): Add static_asserts
2321 to make sure that type traits are not misused with incomplete types.
2322 (__is_constructible_impl, __is_nothrow_default_constructible_impl)
2323 (__is_nothrow_constructible_impl, __is_nothrow_assignable_impl): New
2324 base characteristics without assertions that can be reused in other
2326 * testsuite/20_util/is_complete_or_unbounded/memoization.cc: New test.
2327 * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc: New
2329 * testsuite/20_util/is_complete_or_unbounded/value.cc: New test.
2330 * testsuite/20_util/is_abstract/incomplete_neg.cc: New test.
2331 * testsuite/20_util/is_aggregate/incomplete_neg.cc: New test.
2332 * testsuite/20_util/is_class/value.cc: Check incomplete type.
2333 * testsuite/20_util/is_function/value.cc: Likewise.
2334 * testsuite/20_util/is_move_constructible/incomplete_neg.cc: New test.
2335 * testsuite/20_util/is_nothrow_move_assignable/incomplete_neg.cc: New
2337 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: New test.
2338 * testsuite/20_util/is_reference/value.cc: Check incomplete types.
2339 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
2340 * testsuite/20_util/is_union/value.cc: Likewise.
2341 * testsuite/20_util/is_void/value.cc: Likewise.
2342 * testsuite/util/testsuite_tr1.h: Add incomplete union type.
2344 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2346 * include/bits/random.h (random_device::_M_init(const char*, size_t)):
2347 Add new private member function.
2348 * src/c++11/cow-string-inst.cc (random_device::_M_init(const string&))
2349 (random_device::_M_init_pretr1(const string&)): Call new private
2350 member with string data.
2351 * src/c++11/random.cc (random_device::_M_init(const char*, size_t)):
2353 * testsuite/26_numerics/random/random_device/cons/default-cow.cc: New
2354 test using COW strings.
2355 * testsuite/26_numerics/random/random_device/cons/default.cc: Generate
2356 a value from the device.
2357 * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
2358 Fix typo in token string.
2360 2019-05-30 Nina Dinka Ranns <dinka.ranns@gmail.com>
2362 LWG2788 basic_string spurious use of a default constructible allocator
2363 * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
2364 (basic_string::_M_replace_dispatch): Construct temporary string with
2365 the current allocator.
2366 * testsuite/21_strings/basic_string/allocator/char/lwg2788.cc: New.
2367 * testsuite/21_strings/basic_string/allocator/wchar_t/lwg2788.cc: New.
2369 2019-05-30 Jonathan Wakely <jwakely@redhat.com>
2371 * doc/xml/manual/diagnostics.xml: Update list of headers that define
2373 * doc/xml/manual/support.xml: Rewrite advice around NULL. Rewrite
2374 section about new/delete overloads. Improve section on verbose
2376 * doc/html/*: Regenerate.
2378 * doc/xml/manual/status_cxx2020.xml: Add feature-test macro for
2379 P0811R3. Change status of P1353R0.
2380 * doc/html/*: Regenerate.
2382 * doc/xml/manual/status_cxx2011.xml: Use <variablelist> for
2383 documentation of implementation-defined types for [thread.req.native].
2384 * doc/xml/manual/status_cxx2017.xml: Update documentation of
2385 implementation-defined strings for [variant.bad.access]. Fix typo in
2386 documentation of implementation-defined support for [fs.conform.9945].
2387 * doc/html/*: Regenerate.
2389 2019-05-29 Jonathan Wakely <jwakely@redhat.com>
2392 * testsuite/26_numerics/random/random_device/cons/token.cc: Fix test
2393 that fails on mingw-w64.
2396 * src/c++17/fs_ops.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
2397 (status(const path&, error_code&)): Use parent_path() to remove
2399 (symlink_status(const path&, error_code&)): Duplicate workaround for
2400 bug in _wstat for paths with trailing slash.
2401 * testsuite/27_io/filesystem/operations/remove_all.cc: Check path
2402 with trailing slash.
2403 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
2404 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2406 * src/c++17/fs_path.cc (path::parent_path()): Create whole path at
2407 once instead of building it iteratively.
2409 * testsuite/util/testsuite_api.h: Remove names of unused parameters.
2411 PR libstdc++/85494 use rdseed and rand_s in std::random_device
2412 * acinclude.m4 (GLIBCXX_CHECK_X86_RDSEED): Define macro to check if
2413 the assembler supports rdseed.
2414 * config.h.in: Regenerate.
2415 * configure: Regenerate.
2416 * configure.ac: Use GLIBCXX_CHECK_X86_RDSEED.
2417 * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_CRT_RAND_S): Define.
2418 * doc/html/*: Regenerate.
2419 * doc/xml/manual/status_cxx2011.xml: Document new tokens.
2420 * include/bits/random.h (random_device::random_device()): Always call
2421 _M_init rather than _M_init_pretr1.
2422 (random_device::random_device(const string&)): Likewise.
2423 (random_device::operator()()): Always call _M_getval().
2424 (random_device::_M_file): Replace first member of union with an
2425 anonymous struct, with _M_file as its first member.
2426 * src/c++11/random.cc [_GLIBCXX_X86_RDRAND] (USE_RDRAND): Define.
2427 [_GLIBCXX_X86_RDSEED] (USE_RDSEED): Define.
2428 (USE_MT19937): Define if none of the above are defined.
2429 (USE_POSIX_FILE_IO): Define.
2430 (_M_strtoul): Remove.
2431 [USE_RDSEED] (__x86_rdseed): Define new function.
2432 [_GLIBCXX_USE_CRT_RAND_S] (__winxp_rand_s): Define new function.
2433 (random_device::_M_init(const string&)): Initialize new union members.
2434 Add support for "rdseed" and "rand_s" tokens. Decide what the
2435 "default" token does according to which USE_* macros are defined.
2436 [USE_POSIX_FILE_IO]: Store a file descriptor.
2437 [USE_MT19937]: Forward to _M_init_pretr1 instead.
2438 (random_device::_M_init_pretr1(const string&)) [USE_MT19937]: Inline
2439 code from _M_strtoul.
2440 [!USE_MT19937]: Call _M_init, transforming the old default token or
2441 numeric tokens to "default".
2442 (random_device::_M_fini()) [USE_POSIX_FILE_IO]: Use close not fclose.
2443 (random_device::_M_getval()): Use new union members to obtain a
2444 random number from the stored function pointer or file descriptor.
2445 [USE_MT19937]: Obtain a value from the mt19937 engine.
2446 (random_device::_M_getval_pretr1()): Call _M_getval().
2447 (random_device::_M_getentropy()) [USE_POSIX_FILE_IO]: Use _M_fd
2449 [!USE_MT19937] (mersenne_twister): Do not instantiate when not needed.
2450 * testsuite/26_numerics/random/random_device/85494.cc: New test.
2452 2019-05-28 Jonathan Wakely <jwakely@redhat.com>
2455 * include/experimental/bits/fs_path.h (path::path(path&&)): Only call
2456 _M_split_cmpts() for a path with multiple components.
2457 (path::_S_is_dir_sep()): Add missing 'static' keyword to function.
2458 * src/filesystem/path.cc (path::_M_split_cmpts()): Count number of
2459 components and reserve space in vector. Return early when there is
2461 * testsuite/27_io/filesystem/path/construct/90634.cc: New test.
2462 * testsuite/experimental/filesystem/path/construct/90634.cc: New test.
2464 * testsuite/util/testsuite_fs.h (compare_paths): Use three-argument
2465 form of std::equals for C++11 compatibility.
2467 2019-05-26 Gerald Pfeifer <gerald@pfeifer.com>
2469 * doc/xml/manual/appendix_contributing.xml: Update pointer to
2470 C++ standard at ansi.org.
2472 2019-05-24 Jonathan Wakely <jwakely@redhat.com>
2474 * include/std/numeric (midpoint(T*, T*)): Fix incorrect result.
2475 * testsuite/26_numerics/midpoint/pointer.cc: Change "compile" test
2478 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Fix test.
2479 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused function.
2481 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2483 * testsuite/20_util/function_objects/invoke/1.cc: Move C++17-specific
2485 * testsuite/20_util/function_objects/invoke/3.cc: New test.
2486 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
2487 "compile" test to "run".
2489 * doc/xml/manual/intro.xml: Document LWG DR 2996 change.
2490 * doc/html/*: Regenerate.
2491 * include/bits/shared_ptr.h (shared_ptr(shared_ptr&&, T*)): Add
2492 rvalue aliasing constructor.
2493 (static_pointer_cast, const_pointer, dynamic_pointer_cast)
2494 (reinterpret_pointer_cast): Add overloads taking rvalues.
2495 * include/bits/shared_ptr_base.h (__shared_ptr(__shared_ptr&&, T*)):
2496 Add rvalue aliasing constructor.
2497 * testsuite/20_util/shared_ptr/casts/1.cc: Change "compile" test to
2498 "run" and check return values as well as types.
2499 * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
2500 * testsuite/20_util/shared_ptr/casts/rval.cc: New test.
2501 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: New test.
2502 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused return
2505 * doc/xml/manual/evolution.xml: Document LWG DR 2921 change.
2506 * doc/xml/manual/intro.xml: Likewise.
2507 * include/std/future (__create_task_state): Add default arguments
2508 to make providing an allocator optional.
2509 (packaged_task::packaged_task(F&&)): Call __create_task_state directly
2510 instead of delegating to another constructor.
2511 (packaged_task::packaged_task(allocator_arg_t, const A&, ...)): Do not
2512 define allocator-extended constructors for C++17 and later.
2513 * testsuite/30_threads/packaged_task/cons/alloc.cc: Only run test for
2515 * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
2516 * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
2517 * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
2519 2019-05-23 Hans-Peter Nilsson <hp@axis.com>
2521 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
2522 Don't run the libstdc++/83237 part on simulator targets.
2524 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2526 * doc/xml/manual/status_cxx2017.xml: Add feature test macro for
2528 * doc/html/*: Regenerate.
2530 * include/experimental/any (__any_caster): Use RTTI if comparing
2531 addresses fails, to support non-unique addresses in shared libraries.
2532 * include/std/any (__any_caster): Likewise.
2535 * include/experimental/any (__any_caster): Constrain to only be
2536 callable for object types. Use remove_cv_t instead of decay_t.
2537 If the type decays or isn't copy constructible, compare the manager
2538 function to a dummy specialization.
2539 (__any_caster): Add overload constrained for non-object types.
2540 (any::_Manager_internal<_Op>): Add dummy specialization.
2541 * testsuite/experimental/any/misc/any_cast.cc: Test function types
2544 2019-05-22 Jonathan Wakely <jwakely@redhat.com>
2547 * src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
2548 reversed arguments to uninitialized_copy_n.
2549 * testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
2550 is unchanged by copy assignment.
2551 * testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
2552 compare path components.
2555 * include/experimental/memory_resource: Add system header pragma and
2556 do not define anything unless compiled as C++14 or later.
2557 (__resource_adaptor_common::__guaranteed_alignment): Remove.
2558 (__resource_adaptor_imp::do_allocate): If the requested alignment
2559 is a fundamental alignment then either allocate directly from _M_alloc
2560 or call the new _M_allocate function.
2561 (__resource_adaptor_imp::do_deallocate): Likewise for deallocation.
2562 (__resource_adaptor_imp::_M_allocate): New function that uses a copy
2563 of the allocator rebound to a POD type with the specified alignment.
2564 (__resource_adaptor_imp::_M_deallocate): Likewise for deallocation.
2565 * testsuite/experimental/memory_resource/new_delete_resource.cc:
2566 Adjust expected allocation sizes.
2567 * testsuite/experimental/memory_resource/resource_adaptor.cc: Remove
2568 xfail for Solaris x86.
2570 2019-05-21 Thomas Rodgers <trodgers@redhat.com>
2572 LWG 3062 - Unnecessary decay_t in is_execution_policy_v
2573 * include/pstl/execution_defs.h (__enable_if_execution_policy):
2574 Use std::__remove_cvref_t when building with GCC.
2576 2019-05-21 Jonathan Wakely <jwakely@redhat.com>
2579 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2580 Use "additional_flags" to pass -ltbb to v3_target_compile command.
2581 Use check_v3_target_prop_cached to cache the result of the test.
2583 * doc/xml/manual/shared_ptr.xml: Fix names of lock policy constants.
2585 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2588 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2589 Changed v3_target_compile check from preprocess to executable.
2590 Added "-ltbb" to v3_target_compile flags.
2592 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2594 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2595 Add check for Thread Building Blocks 2018 or later.
2597 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2599 * testsuite/experimental/names.cc: Only include Networking TS headers
2600 on targets with the necessary Gthreads support.
2602 2019-05-20 Marek Polacek <polacek@redhat.com>
2604 CWG 2094 - volatile scalars are trivially copyable.
2606 * testsuite/20_util/is_trivially_copyable/value.cc: Change the expected
2607 result for volatile int.
2609 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2611 * testsuite/17_intro/names.cc: Do not check 'ptr' on Solaris.
2612 * testsuite/experimental/names.cc: Include <experimental/filesystem>
2615 PR c++/90532 Ensure __is_constructible(T[]) is false
2616 * include/std/type_traits (__do_is_default_constructible_impl)
2617 (__is_default_constructible_atom, __is_default_constructible_safe):
2619 (is_default_constructible): Use is_constructible.
2620 * testsuite/20_util/is_constructible/value.cc: Check int[] case.
2621 * testsuite/20_util/is_default_constructible/value.cc: Likewise.
2622 * testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
2623 * testsuite/20_util/is_trivially_default_constructible/value.cc:
2626 2019-05-20 Pádraig Brady <pbrady@fb.com>
2628 * libstdc++-v3/include/ext/new_allocator.h (deallocate): Pass the size
2629 to the deallocator with -fsized-deallocation.
2631 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2633 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
2634 test by passing correct alignment to deallocate function.
2636 2019-05-18 Jonathan Wakely <jwakely@redhat.com>
2639 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
2640 Raise exception if unique_ptr tuple member has unknown structure.
2641 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
2642 Adjust worker to support new __uniq_ptr_data base class. Do not
2643 assume field called _M_head_impl is the first tuple element.
2645 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
2647 * include/bits/stl_deque.h
2648 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
2649 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
2650 (_Deque_base::_Deque_impl_data): New.
2651 (_Deque_base::_Deque_impl): Inherit latter.
2652 (_Deque_base::_Deque_impl::_M_swap_data): Move...
2653 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
2654 (_Deque_base::_Deque_impl()): Add noexcept qualification.
2655 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
2656 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
2657 (deque<>::deque()): Default.
2658 (deque<>::deque(deque&&)): Default.
2659 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
2660 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
2661 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
2662 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
2663 _M_range_initialize.
2664 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
2665 (deque<>::resize(size_type, const value_type&)): Share a single
2667 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
2668 _M_range_insert_aux.
2669 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
2670 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
2671 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
2672 * testsuite/23_containers/deque/allocator/default_init.cc: New.
2674 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
2677 * include/std/variant (holds_alternative, get, get_if): Improve
2678 static assertion messages.
2679 (bad_variant_access::bad_variant_access()): Change default message.
2680 (__throw_bad_variant_access(bool)): New overload.
2681 (get): Use new overload.
2682 (visit, visit<R>): Improve exception message.
2684 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
2685 targets. Add more cases from P0608R3.
2686 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
2688 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
2689 * include/experimental/type_traits (is_detected_exact)
2690 (is_detected_exact_v): Likewise.
2691 * include/pstl/execution_defs.h (is_execution_policy)
2692 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
2693 * include/pstl/execution_impl.h (__policy_traits): Likewise.
2694 * testsuite/17_intro/names.cc: Check for more non-reserved names.
2695 * testsuite/experimental/names.cc: New test.
2698 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
2699 assertions from the destructor.
2700 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
2701 Move static_assert for hash function to here.
2702 (_Hash_table_base::_M_equals): Move static_assert for equality
2704 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
2706 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
2707 the value directly instead of calling _S_value.
2708 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
2709 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
2710 _S_key(_Const_Link_type).
2711 * testsuite/23_containers/set/85965.cc: Check construction,
2712 destruction, assignment and size() do not trigger the assertions.
2713 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
2714 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
2716 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
2717 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
2718 * testsuite/23_containers/set/48101_neg.cc: Likewise.
2719 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
2720 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
2721 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
2722 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
2724 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
2725 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
2728 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
2730 * doc/html/*: Regenerate.
2731 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
2732 of decay_t (P0777R1).
2734 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
2736 Move from state of allocators (LWG2593)
2737 * include/bits/stl_deque.h
2738 (_Deque_base(_Deque_base&&, false_type)): Remove.
2739 (_Deque_base(_Deque_base&&, true_type)): Remove.
2740 (_Deque_base(_Deque_base&&)): Adapt.
2741 (_Deque_base::_M_move_impl()): Remove.
2742 * testsuite/util/testsuite_allocator.h
2743 (propagating_allocator(propagating_allocator&&)): Preserve move from
2745 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
2747 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
2749 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
2750 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
2751 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
2753 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
2755 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
2756 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
2758 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
2760 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
2762 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
2764 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
2766 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
2768 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
2770 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
2773 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
2775 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
2776 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
2778 * include/std/variant (__overload_set): Remove.
2780 (_Build_FUN): New class template to define a single FUN overload,
2781 with specializations to prevent unwanted conversions, as per P0608R3.
2782 (_Build_FUNs): New class template to build an overload set of FUN.
2783 (_FUN_type): New alias template to perform overload resolution.
2784 (__accepted_type): Use integer_constant base for failure case. Use
2785 _FUN_type for successful case.
2786 (variant::__accepted_index): Use _Tp instead of _Tp&&.
2787 (variant::variant(_Tp&&)): Likewise.
2788 (variant::operator=(_Tp&&)): Likewise.
2790 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
2791 Replace raw visitation with a runtime check for the valueless state
2792 and a non-raw visitor.
2793 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
2794 (variant::index()): Remove branch.
2795 (variant::swap(variant&)): Use valueless_by_exception() instead of
2796 comparing the index to variant_npos, and add likelihood attribute.
2798 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
2799 (_Hashtable_base::_Equal_hash_code): Define new class template.
2800 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
2803 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
2804 Replace with _M_get non-static member function.
2805 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
2807 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
2808 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
2810 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
2811 _S_get accessors for members in EBO helpers.
2812 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
2813 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
2815 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
2817 (_Hashtable_base::_M_eq()): Remove non-const overload.
2819 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
2821 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
2823 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2825 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
2828 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2830 * config/os/solaris/solaris2.10: Move to ...
2831 * config/os/solaris: ... this.
2832 * configure.host (os_include_dir): Adapt.
2833 (abi_baseline_pair): Remove Solaris 10 handling.
2834 * config/abi/post/i386-solaris2.10: Remove.
2835 * config/abi/post/sparc-solaris2.10: Remove.
2836 * config/abi/post/i386-solaris2.11: Rename to ...
2837 * config/abi/post/i386-solaris: ... this.
2838 * config/abi/post/sparc-solaris2.11: Rename to ...
2839 * config/abi/post/sparc-solaris: ... this.
2841 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
2844 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
2847 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2849 * include/std/variant (__visit_with_index): Remove typedef.
2850 (__deduce_visit_result): New tag type.
2851 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
2852 visitation of possibly-valueless variants, forwarding to __do_visit
2853 with the relevant tag type.
2854 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
2855 and make lambda return void.
2856 (__variant_construct): Likewise.
2857 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
2858 __raw_idx_visit and make lambda return void.
2859 (_Multi_array::__untag_result): Add metafunction to check the function
2860 pointer type for a tag type that dictates the kind of visitation.
2861 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
2862 Use decltype(auto) instead of tagged function pointer type.
2863 (__gen_vtable_impl): Remove bool non-type parameter and unused
2864 _Variant_tuple parameter.
2865 (__gen_vtable_impl::__visit_invoke_impl): Remove.
2866 (__gen_vtable_impl::__do_visit_invoke): Remove.
2867 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
2868 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
2869 for the visit<R> case, rather than dispatching to separate functions.
2870 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
2872 (variant::swap): Likewise.
2873 (__do_visit): Replace two non-type template parameters with a single
2874 type parameter, so that the caller must specify the visitor's return
2875 type (or one of the tag types).
2876 (visit): Deduce a return type from the visitor and use the
2877 __deduce_visit_result tag to enforce that all overloads return the
2879 (visit<R>): Call __do_visit<R> with explicit result type.
2880 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
2883 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
2885 nonesuch is insufficiently useless (lwg2996)
2886 * include/std/type_traits (struct __nonesuch): Added private base
2887 class to make __nonesuch not an aggregate and removed deleted default
2889 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
2890 (operator=(const pair&)): Use __nonesuch instead of
2891 __nonesuch_no_braces.
2892 (operator=(pair&&)): Likewise
2893 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
2894 of __nonesuch_no_braces.
2895 (operator=(tuple&&)): Likewise
2896 * include/experimental/type_traits (struct nonesuch): Added private
2897 base class to make nonesuch not an aggregate and removed deleted
2898 default constructor.
2899 * testsuite/20_util/nonesuch/nonesuch.cc: New.
2900 * testsuite/experimental/type_traits/nonesuch.cc: New.
2902 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2904 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
2905 (_Function_handler): Remove partial specializations for void return
2906 types and pointers to member.
2907 (_Function_handler::_M_manager): Adapt to removal of
2908 _Simple_type_wrapper.
2909 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
2910 * include/std/functional (_Bind_result::__enable_if_void)
2911 (_Bind_result::__disable_if_void): Remove sfinae helpers.
2912 (_Bind_result::__call): Use __invoke_r and remove overloads for void
2914 * include/std/future (__future_base::_Task_state::_M_run)
2915 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
2916 change return type of lambda expressions.
2918 * include/bits/invoke.h (__invoke_r): Define new function implementing
2919 the INVOKE<R> pseudo-function.
2920 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
2921 * testsuite/20_util/function_objects/invoke/2.cc: New test.
2923 * include/std/type_traits (__is_nt_convertible_helper): Define it
2924 unconditionally, not only for C++20.
2925 (__is_nothrow_convertible): Define internal trait for use in C++11.
2926 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
2927 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
2928 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
2929 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
2930 that has nothrow explicit conversion but potentially-throwing implicit
2932 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
2933 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
2934 function to only consider implicit conversions.
2935 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
2937 * include/std/iterator: Include <iosfwd> instead of <istream> and
2940 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
2941 Remove unused, non-standard function.
2943 * include/bits/regex.h (match_results::max_size()): Adjust return
2944 value to account for prefix/suffix/unmatched subs.
2945 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
2946 reset the contained sub matches.
2947 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
2948 function to set result state following a failed match.
2949 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
2950 sub_match states after _M_resize. Use _M_establish_failed_match.
2953 * include/std/thread (thread::_State_impl, thread::_S_make_state):
2954 Replace single _Callable parameter with variadic _Args pack, to
2955 forward them directly to the tuple of decayed copies.
2956 * testsuite/30_threads/thread/cons/69724.cc: New test.
2958 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
2960 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
2961 * include/bits/basic_string.h: (operator=(const basic_string&):
2962 Move allocator decision to assign.
2963 (assign(const basic_string&)): Move allocator decision here.
2964 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
2966 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
2969 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2971 * testsuite/util/testsuite_allocator.h (memory_resource)
2972 (default_resource_mgr): Fix indentation.
2974 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
2975 Use operator-> to access raw pointer member.
2976 * testsuite/23_containers/vector/59829.cc: Likewise.
2977 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
2978 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
2979 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
2981 (PointerBase, PointerBase_void): Derive from NullablePointer and use
2982 its constructors and equality operators. Change converting
2983 constructors to use operator-> to access private member of the other
2985 (PointerBase_void::operator->()): Add, for access to private member.
2986 (operator-(PointerBase, PointerBase)): Change to hidden friend.
2987 (operator==(PointerBase, PointerBase)): Remove.
2988 (operator!=(PointerBase, PointerBase)): Remove.
2990 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
2991 not assume field called _M_head_impl is the first tuple element.
2992 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
2993 implementation more accurate.
2994 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
2995 empty pointer type and non-empty deleter.
2997 LWG 2899 - Make is_move_constructible correct for unique_ptr
2998 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
2999 move assignment operator.
3000 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
3001 (__uniq_ptr_data): New class template with conditionally deleted
3003 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
3004 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
3005 constructor and move assignment operator as defaulted.
3006 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
3007 __uniq_ptr_impl::release().
3008 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
3009 to __uniq_ptr_impl::reset(pointer).
3010 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
3011 Check for new __uniq_ptr_data type.
3012 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
3014 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
3016 PR libstdc++/90454.cc path construction from void*
3017 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
3018 pointers to void are rejected as well as void.
3019 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
3020 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
3022 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
3024 * doc/xml/manual/policy_data_structures.xml: Comment out stray
3025 <remark> elements. Fix formatting of bibliography references.
3027 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
3029 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
3031 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
3033 Remove Profile Mode, deprecated since 7.1.0
3034 * doc/Makefile.am: Remove XML file for profile mode docs.
3035 * doc/Makefile.in: Regenerate.
3036 * doc/xml/authors.xml: Remove authors of profile mode docs.
3037 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
3039 * doc/xml/manual/debug.xml: Likewise.
3040 * doc/xml/manual/evolution.xml: Document removal of profile mode.
3041 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
3042 * doc/xml/manual/spine.xml: Remove profile mode author credit.
3043 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
3045 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
3047 * doc/html/*: Regenerate.
3048 * include/Makefile.am: Remove profile mode headers.
3049 * include/Makefile.in: Regenerate.
3050 * include/bits/c++config (std::__profile): Remove namespace.
3051 [_GLIBCXX_PROFILE]: Remove checks for macro.
3052 * include/profile/array: Remove.
3053 * include/profile/base.h: Remove.
3054 * include/profile/bitset: Remove.
3055 * include/profile/deque: Remove.
3056 * include/profile/forward_list: Remove.
3057 * include/profile/impl/profiler.h: Remove.
3058 * include/profile/impl/profiler_algos.h: Remove.
3059 * include/profile/impl/profiler_container_size.h: Remove.
3060 * include/profile/impl/profiler_hash_func.h: Remove.
3061 * include/profile/impl/profiler_hashtable_size.h: Remove.
3062 * include/profile/impl/profiler_list_to_slist.h: Remove.
3063 * include/profile/impl/profiler_list_to_vector.h: Remove.
3064 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
3065 * include/profile/impl/profiler_node.h: Remove.
3066 * include/profile/impl/profiler_state.h: Remove.
3067 * include/profile/impl/profiler_trace.h: Remove.
3068 * include/profile/impl/profiler_vector_size.h: Remove.
3069 * include/profile/impl/profiler_vector_to_list.h: Remove.
3070 * include/profile/iterator_tracker.h: Remove.
3071 * include/profile/list: Remove.
3072 * include/profile/map: Remove.
3073 * include/profile/map.h: Remove.
3074 * include/profile/multimap.h: Remove.
3075 * include/profile/multiset.h: Remove.
3076 * include/profile/ordered_base.h: Remove.
3077 * include/profile/set: Remove.
3078 * include/profile/set.h: Remove.
3079 * include/profile/unordered_base.h: Remove.
3080 * include/profile/unordered_map: Remove.
3081 * include/profile/unordered_set: Remove.
3082 * include/profile/vector: Remove.
3083 * scripts/run_doxygen: Do not process profile mode headers.
3084 * testsuite/23_containers/array/element_access/60497.cc: Don't use
3086 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
3087 Remove dg-skip-if for profile mode.
3088 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
3089 preprocessor check for profile mode.
3090 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
3091 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
3093 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
3095 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
3096 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
3097 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
3098 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
3099 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
3101 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
3103 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
3105 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
3107 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
3108 preprocessor check for profile mode.
3109 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
3111 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
3112 Remove dg-skip-if for profile mode.
3113 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
3114 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
3115 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
3116 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
3117 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
3118 * testsuite/Makefile.am: Remove profile_flags variable and
3119 * testsuite/Makefile.am: Remove profile_flags variable and
3120 check-profile target.
3121 * testsuite/Makefile.in: Regenerate.
3122 * testsuite/ext/profile/all.cc: Remove.
3123 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
3124 * testsuite/ext/profile/profiler_algos.cc: Remove.
3125 * testsuite/ext/profile/replace_new.cc: Remove.
3126 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
3127 preprocessor check for profile mode.
3128 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
3129 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
3130 (check_v3_target_normal_mode): Do not check for profile mode macro.
3131 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
3133 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
3134 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
3135 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
3136 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
3137 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
3138 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
3139 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
3140 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
3141 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
3142 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
3144 Remove array_allocator extension, deprecated since 4.9.0
3145 * doc/xml/manual/allocator.xml: Remove documentation for
3147 * doc/xml/manual/evolution.xml: Document array_allocator removal.
3148 * doc/xml/manual/using.xml: Remove header from documentation.
3149 * include/Makefile.am: Remove <ext/array_allocator.h> header.
3150 * include/Makefile.in: Regenerate.
3151 * include/ext/array_allocator.h: Remove.
3152 * include/precompiled/extc++.h: Do not include removed header.
3153 * testsuite/ext/array_allocator/1.cc: Remove.
3154 * testsuite/ext/array_allocator/2.cc: Remove.
3155 * testsuite/ext/array_allocator/26875.cc: Remove.
3156 * testsuite/ext/array_allocator/3.cc: Remove.
3157 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
3158 * testsuite/ext/array_allocator/check_delete.cc: Remove.
3159 * testsuite/ext/array_allocator/check_new.cc: Remove.
3160 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
3161 * testsuite/ext/headers.cc: Do not include removed header.
3163 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
3165 * include/bits/stl_bvector.h
3166 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3168 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3170 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3172 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3174 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3176 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3178 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3180 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
3182 (_Bit_iterator::operator-(difference_type)): Likewise.
3183 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
3184 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
3186 (_Bit_const_iterator::operator-(difference_type)): Likewise.
3187 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
3189 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
3192 * testsuite/util/thread/all.h: Do not use remove_pointer for
3193 std::thread::native_handle_type.
3196 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
3197 (_Variant_storage<true, Types...>::_M_reset()))
3198 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
3199 (__get_storage): Likewise.
3200 (variant): Add noexcept to friend declarations for __get and
3204 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
3205 Use _Require for constraints.
3206 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
3208 (__uniq_ptr_hash): New base class with conditionally-disabled call
3210 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
3211 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
3212 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
3214 * include/bits/shared_ptr.h: Improve docs.
3215 * include/bits/shared_ptr_base.h: Likewise.
3216 * include/bits/stl_uninitialized.h: Likewise.
3217 * include/bits/unique_ptr.h: Likewise.
3218 * libsupc++/new: Likewise.
3220 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
3222 * include/bits/stl_deque.h
3223 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3225 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3227 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3229 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3231 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3233 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3235 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
3237 (_Deque_iterator<>::operator-(difference_type)): Likewise.
3239 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
3242 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
3243 (test01): Reserve for number of insertions to avoid rehash during test.
3244 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
3246 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
3251 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
3253 * include/experimental/bits/fs_path.h: Improve docs.
3254 * include/experimental/bits/net.h: Fix wrong header name in comment.
3255 Do not document implementation details.
3256 * include/experimental/netfwd: Fix doxygen grouping.
3258 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
3260 * include/bits/stl_pair.h: Improve docs.
3261 * include/std/tuple: Likewise.
3263 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
3265 * include/std/chrono: Improve docs.
3266 * include/std/ratio: Do not document implementation details.
3267 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
3269 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
3272 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
3273 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
3274 (__duration_common_type): New helper.
3275 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
3276 __duration_common_type.
3277 (__timepoint_common_type_wrapper): Replace with ...
3278 (__timepoint_common_type): New helper.
3279 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
3280 Use __time_point_common_type.
3281 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
3282 (__common_type_impl): If either argument is transformed by decay,
3283 use the common_type of the decayed types.
3284 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
3285 decayed, use __do_common_type_impl to get the common_type.
3286 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
3287 (__do_member_type_wrapper, __member_type_wrapper)
3288 (__expanded_common_type_wrapper): Remove.
3289 (__common_type_pack, __common_type_fold): New helpers.
3290 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
3291 __member_type_wrapper and __expanded_common_type_wrapper.
3292 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
3293 Test zero-length template argument list.
3294 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
3295 Test single argument cases and argument types that should decay.
3296 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
3297 Adjust expected error.
3298 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
3300 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
3301 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
3302 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
3304 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
3306 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
3308 Make allocator propagation more consistent for
3309 operator+(basic_string) (P1165R1)
3310 * include/bits/basic_string.h
3311 (operator+(basic_string&&, basic_string&&): Changed resulting
3312 allocator to always be the one from the first parameter.
3313 * include/bits/basic_string.tcc
3314 (operator+(const _CharT*, const basic_string&)): Changed
3315 resulting allocator to be SOCCC on the second parameter's allocator.
3316 (operator+(_CharT, const basic_string&)): Likewise.
3317 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
3319 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
3322 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
3324 * include/bits/regex.h: Improve docs.
3325 * include/bits/regex.tcc: Do not document implementation details.
3327 * testsuite/19_diagnostics/error_code/hash.cc: New test.
3329 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
3331 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
3332 Add type printer for container types in std::__debug namespace.
3333 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
3334 (gdb-tests): Use distinct parameters for the type of test and use of
3336 (gdb-test): Check for regex test even if 'whatis' test.
3337 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
3339 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
3340 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
3341 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
3342 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
3343 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
3344 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
3345 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
3347 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
3349 * include/std/system_error (error_category): Fix comment.
3352 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
3353 argument is an empty path.
3354 (absolute(const path&, error_code&)): Use invalid_argument as error
3355 code instead of no_such_file_or_directory.
3356 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
3357 of non-existent paths and empty paths with both overloads of absolute.
3359 * include/std/system_error (error_category, error_code)
3360 (error_condition): Improve docs.
3361 * libsupc++/exception: Add missing @addtogroup Doxygen command.
3362 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
3363 to class documentation. Suppress documentation for implementation
3365 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
3366 Suppress documentation for implementation details.
3368 * include/std/system_error (error_code): Remove friend declaration
3369 for hash<error_code>.
3370 (hash<error_code>::operator()): Use public member functions to access
3372 (hash<error_condition>::operator()): Use address of category, not
3373 its object representation.
3374 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
3375 Use public member functions to access value and category.
3376 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
3378 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
3380 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
3381 * include/bits/hashtable_policy.h
3382 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
3383 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
3384 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
3385 smaller than input value rather than always greater. Preserve
3386 _M_next_resize if called with 0 input. Use __builtin_floorl.
3387 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
3388 elements + number of insertions is greater than _M_next_resize. Start
3389 with 11 buckets if not told otherwise. Use __builtin_floorl.
3390 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
3391 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
3392 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
3393 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
3394 told otherwise. Use __builtin_floorl.
3395 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
3396 to also validate _Power2_rehash_policy.
3397 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
3400 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
3403 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
3407 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
3408 overflow warning with -Wpedantic -Wsystem-headers.
3410 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
3413 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
3414 * include/bits/move.h (swap): Remove extra parentheses.
3416 * include/experimental/bits/lfts_config.h: Improve doc markup.
3417 * include/experimental/optional: Improve docs.
3418 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
3419 (__constexpr_addressof): Remove.
3420 (optional::operator->()): Use std::__addressof().
3421 * include/std/optional (optional::operator->()): Adjust whitespace.
3422 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
3423 that operator-> is still constexpr with overloaded operator&. Change
3424 to compile-only test.
3425 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
3428 * include/bits/shared_ptr.h: Improve docs.
3429 * include/bits/shared_ptr_atomic.h: Likewise.
3430 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
3432 * include/bits/basic_string.h: Fix iterator/index confusion in
3434 * include/bits/range_access.h: Fix Doxygen warnings.
3435 * include/bits/refwrap.h: Do not document implementation details.
3436 (ref, cref): Group docs with reference_wrapper.
3437 * include/std/fstream: Fix Doxygen markup.
3438 * libsupc++/initializer_list (begin, end): Group docs with
3441 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
3443 * include/bits/unique_lock.h: Fix/improve doxygen markup.
3444 * include/std/mutex: Likewise.
3445 * include/std/shared_mutex: Likewise.
3447 * include/bits/fs_dir.h: Fix/improve doxygen markup.
3448 * include/bits/fs_fwd.h: Likewise.
3449 * include/bits/fs_ops.h: Likewise.
3450 * include/bits/fs_path.h: Likewise.
3451 * include/std/filesystem: Likewise.
3453 * include/experimental/bits/net.h: Fix/improve doxygen markup.
3454 * include/experimental/buffer: Likewise.
3455 * include/experimental/executor: Likewise.
3456 * include/experimental/internet: Likewise.
3457 * include/experimental/io_context: Likewise.
3458 * include/experimental/net: Likewise.
3459 * include/experimental/netfwd: Likewise.
3460 * include/experimental/socket: Likewise.
3461 * include/experimental/timer: Likewise.
3463 * doc/doxygen/doxygroups.cc: Move description of experimental group
3465 * include/experimental/algorithm: Add to libfund-ts doc group.
3466 * include/experimental/any: Likewise. Do not document implementation
3468 * include/experimental/array: Add to libfund-ts doc group.
3469 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
3470 for Library Fundamentals.
3471 * include/experimental/chrono: Add to libfund-ts doc group.
3472 * include/experimental/deque: Likewise.
3473 * include/experimental/forward_list: Likewise.
3474 * include/experimental/functional: Likewise.
3475 * include/experimental/iterator: Likewise.
3476 * include/experimental/list: Likewise.
3477 * include/experimental/map: Likewise.
3478 * include/experimental/memory: Likewise.
3479 * include/experimental/memory_resource: Likewise. Improve docs.
3481 * include/experimental/numeric: Add to libfund-ts doc group.
3482 * include/experimental/optional: Likewise.
3483 * include/experimental/propagate_const: Likewise.
3484 * include/experimental/random: Likewise.
3485 * include/experimental/ratio: Likewise.
3486 * include/experimental/regex: Likewise.
3487 * include/experimental/set: Likewise.
3488 * include/experimental/source_location: Likewise.
3489 * include/experimental/string: Likewise.
3490 * include/experimental/string_view: Likewise.
3491 * include/experimental/system_error: Likewise.
3492 * include/experimental/tuple: Likewise.
3493 * include/experimental/type_traits: Likewise.
3494 * include/experimental/unordered_map: Likewise.
3495 * include/experimental/unordered_set: Likewise.
3496 * include/experimental/utility: Likewise.
3497 * include/experimental/vector: Likewise.
3498 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
3499 * testsuite/experimental/array/neg.cc: Adjust dg-error.
3500 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
3502 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
3503 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
3504 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
3505 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
3506 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
3508 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
3509 * include/experimental/bits/fs_fwd.h: Improve docs.
3510 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
3511 * include/experimental/bits/fs_path.h: Likewise.
3512 (path, filesystem_error, u8path): Improve docs.
3513 * include/experimental/filesystem: Link to docs for TS.
3515 * config/allocator/new_allocator_base.h (__allocator_base): Add
3516 workaround for Doxygen bug #6945.
3517 * include/std/memory: Improve docs. Define group for pointer safety.
3518 * include/std/scoped_allocator: Improve docs. Use "undocumented"
3519 conditional to suppress documentation for implementation details.
3521 * include/bits/specfun.h: Improve docs.
3522 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
3525 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
3526 (std::experimental): Add docs.
3527 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
3528 namespace to nothing when generating docs.
3529 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
3530 * include/std/chrono (std::chrono): Likewise.
3531 * include/std/functional (std::placeholders): Likewise.
3532 * include/std/thread (std::this_thread): Likewise.
3534 * include/parallel/settings.h: Fix Doxygen markup.
3536 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
3537 anything unless PB_DS_CLASS_C_DEC is defined.
3538 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
3539 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
3540 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
3541 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
3542 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
3543 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
3544 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
3546 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
3547 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
3548 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
3549 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
3550 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
3551 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
3552 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
3553 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
3554 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
3555 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
3556 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
3558 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
3559 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
3561 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
3564 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
3565 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
3566 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
3569 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3571 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
3572 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
3573 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
3574 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
3575 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
3576 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
3578 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
3579 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
3582 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
3585 * include/std/complex (__complex_proj): Return parameter unchanged.
3586 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
3587 floating-point types to take std::complex arguments.
3588 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
3589 floating-point types.
3590 * testsuite/26_numerics/complex/proj.cc: New test.
3592 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3594 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
3595 to _Lock_policyE[012].
3596 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3598 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
3600 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
3601 macros accidentally left in.
3602 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
3603 unnecessary -lstdc++fs option. Fix test for mingw.
3604 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
3607 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3609 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3611 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
3613 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
3615 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
3616 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
3619 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
3621 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
3624 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
3625 class template and partial specialization.
3628 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
3630 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
3631 functions to convert a value to an integral type.
3632 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
3633 (fill_n): Convert _Size parameter to an integral type.
3634 * testsuite/25_algorithms/fill_n/87982.cc: New test.
3635 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
3636 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
3637 * testsuite/25_algorithms/generate_n/87982.cc: New test.
3638 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
3639 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
3641 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
3643 Adding noexcept-specification on tuple constructors (LWG 2899)
3644 * libstdc++-v3/include/std/tuple:
3645 (tuple()): Add noexcept-specification.
3646 (tuple(const _Elements&...)): Likewise
3647 (tuple(_UElements&&...)): Likewise
3648 (tuple(const tuple<_UElements...>&)): Likewise
3649 (tuple(tuple<_UElements...>&&)): Likewise
3650 (tuple(const _T1&, const _T2&)): Likewise
3651 (tuple(_U1&&, _U2&&)): Likewise
3652 (tuple(const tuple<_U1, _U2>&): Likewise
3653 (tuple(tuple<_U1, _U2>&&): Likewise
3654 (tuple(const pair<_U1, _U2>&): Likewise
3655 (tuple(pair<_U1, _U2>&&): Likewise
3656 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
3658 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
3661 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
3662 arguments with __restrict.
3664 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
3666 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
3668 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
3670 * include/experimental/bits/fs_path.h
3671 (path::_S_convert_loc<_InputIterator>): Create const std::string to
3672 avoid redundant call to _S_convert_loc with non-const pointers.
3674 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
3675 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
3676 * testsuite/21_strings/basic_string/hash/hash.cc
3677 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
3678 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
3679 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
3681 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
3682 wstring::_M_replace_dispatch with more specific patterns.
3683 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
3684 Create const std::string to avoid redundant call to _S_convert_loc
3685 with non-const pointers.
3686 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
3687 avoid unnecessary basic_string::assign instantiations.
3689 * include/std/memory (__uses_alloc_args): Add string-literal to
3690 static_assert, to match the one in __uses_alloc.
3691 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
3692 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
3693 for recursive uses-allocator construction of nested pairs.
3694 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
3697 2019-04-26 Jakub Jelinek <jakub@redhat.com>
3699 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
3700 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
3701 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
3702 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
3704 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3705 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
3706 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
3707 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
3708 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
3709 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
3710 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3712 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
3715 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
3716 * include/std/scoped_allocator [__cplusplus > 201703L]
3717 (scoped_allocator_adaptor::construct): Define in terms of
3718 uses_allocator_construction_args, as per P0591R4.
3719 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
3720 * testsuite/util/testsuite_allocator.h: Remove name of unused
3723 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
3725 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
3726 * doc/html/*: Regenerate.
3728 * include/bits/fs_path.h (operator<, operator<=, operator>)
3729 (operator>=, operator==, operator!=): Make hidden friends, as per
3731 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
3732 string type in test.
3733 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
3735 * include/std/any (any::any(ValueType&&)): Use __and_v.
3736 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
3739 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
3741 * include/std/type_traits (__result_of_memfun): Use remove_reference
3742 instead of __remove_cvref_t and remove redundant is_same check.
3743 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
3745 * include/experimental/string_view (basic_string_view::pointer)
3746 (basic_string_view::reference): Fix to refer to non-const value_type.
3747 * include/bits/basic_string.h (basic_string): Use __sv_check and
3748 __sv_limit instead of basic_string_view::_M_check and
3749 basic_string_view::_M_limit.
3750 * include/std/string_view (__sv_check, __sv_limit): New
3751 helper functions to replace basic_string_view::_M_check and
3752 basic_string_view::_M_limit.
3753 (basic_string_view): Add static assertions to enforce ill-formed
3754 requirement for traits_type::char_type from P1148R0, and to enforce
3755 required properties of char-like types.
3756 (basic_string_view::pointer, basic_string_view::reference): Fix to
3757 refer to non-const value_type.
3758 (basic_string_view::operator[], basic_string_view::at)
3759 (basic_string_view::front, basic_string_view::back)
3760 (basic_string_view::data): Use const_reference and const_pointer
3761 typedefs for return types.
3762 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
3763 (hash<wstring_view>): Fix argument_type typedef.
3764 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3765 char/1.cc: Fix expected return type of basic_string_view::data().
3766 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3767 wchar_t/1.cc: Likewise.
3768 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3769 char/1.cc: Likewise.
3770 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3771 wchar_t/1.cc: Likewise.
3772 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
3774 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
3775 Check reference and pointer typedefs.
3776 * testsuite/experimental/string_view/requirements/typedefs.cc:
3778 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
3779 Fix expected return type of basic_string_view::data().
3780 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
3782 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
3784 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
3788 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
3789 Avoid a runtime check for types that can never be stored in std::any.
3790 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3793 PR libstdc++/90220 (partial)
3794 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
3795 not attempt ill-formed static_cast to pointers to non-object types.
3796 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3799 * testsuite/20_util/variant/run.cc: Catch exception by reference to
3800 prevent -Wcatch-value warning.
3802 * include/std/variant (__variant_construct): Use template parameter
3803 type instead of equivalent decltype-specifier.
3804 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
3805 Replace forward with move.
3806 (_Move_ctor_base<false, Types...>::_M_destructive_move)
3807 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
3808 (_Move_ctor_base<true, Types...>::_M_destructive_move)
3809 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
3810 index after construction succeeds.
3811 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
3812 if-constexpr checks that are always true. Use __remove_cvref_t instead
3813 of remove_reference so that is_nothrow_move_constructible check
3814 doesn't use a const rvalue parameter. In the potentially-throwing case
3815 construct a temporary and move assign it, as per LWG 2904.
3816 (_Move_assign_base<false, Types...>::operator=): Remove redundant
3817 if-constexpr checks that are always true. Use emplace as per LWG 2904.
3818 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
3819 construct a temporary and move assign from it, as per LWG 2904.
3820 * testsuite/20_util/variant/exception_safety.cc: Check that
3821 assignment operators have strong exception safety guarantee.
3823 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
3825 Document PSTL linker flags
3827 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
3829 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
3831 * include/std/variant (__detail::__variant::_Traits): Make
3832 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
3833 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
3835 (__detail::__variant::_Copy_assign_alias): Only depend on
3836 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
3837 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
3838 move assignment operators.
3841 * include/std/variant (variant::__not_self): New helper for the
3842 is_same_v<remove_cvref_t<T>, variant>==false constraints.
3843 (variant::__to_type_impl): Remove.
3844 (variant::__to_type): Add default argument to check pack size, instead
3845 of using __to_type_impl.
3846 (variant::__accepted_type): Add default argument using __not_self.
3847 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
3848 for variant(T&&) constructor constraint.
3849 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
3850 Extract __accepted_type into a named template parameter for reuse in
3851 other constraints and in the exception specification.
3852 (variant::variant(in_place_type_t<T>, Args&&...))
3853 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
3854 (variant::variant(in_place_index_t<T>, Args&&...))
3855 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
3856 (variant::operator=T&&)): Remove redundant && from trait arguments.
3857 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
3858 isn't used for in_place_type or in_place_index arguments.
3860 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
3861 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
3862 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
3864 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3865 Bernd Edlinger <bernd.edlinger@hotmail.de>
3866 Jakub Jelinek <jakub@redhat.com>
3869 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
3870 general-regs-only target attribute for ARM.
3872 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
3875 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
3876 specialization also depend on is_nothrow_move_constructible.
3877 * include/std/variant (__detail::__variant::__never_valueless()):
3878 Only true if the variant would have a move assignment operator.
3879 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
3880 Check __never_valueless<T...>().
3881 (variant::emplace): Only perform non-throwing move assignments
3882 for never-valueless alternatives if the variant has a move assignment
3884 * testsuite/20_util/variant/compile.cc: Check that never-valueless
3885 types can be emplaced into non-assignable variants.
3886 * testsuite/20_util/variant/run.cc: Check that never-valueless types
3887 don't get copied when emplaced into non-assignable variants.
3889 * include/std/variant (__detail::__variant::__ref_cast): Remove
3891 (__detail::__variant::_Uninitialized::_M_get)
3892 (__detail::__variant::__get)
3893 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
3895 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
3897 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
3899 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
3900 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
3901 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
3902 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
3904 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
3906 Delegate PSTL configuration to pstl/pstl_config.h
3908 * include/bits/c++config: Remove explicit PSTL configuration
3909 macros and use definitions from <pstl/pstl_config.h>.
3911 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
3913 Cleanup algorithm implementations
3914 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
3916 (mismatch): Forward execution policy.
3917 (equal): Qualify call to std::equal().
3918 (partial_sort): Forward execution policy.
3919 (inplace_merge): Forward execution policy.
3921 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
3923 Improve implementation of parallel equal()
3924 * include/pstl/algorithm_impl.h
3925 (__internal::__brick_equal): use "4 iterator" version of
3927 (__internal::__brick_equal): use simd for random access
3928 iterators on unsequenced execution policies.
3929 (__internal::__pattern_equal): add "4 iterator" version
3930 (__internal::__pattern_equal): dispatch to simd __brick_equal
3931 for vector-only execution policies.
3932 (__internal::__pattern_equal): dispatch to __parallel_or for
3933 parallel execution policies.
3934 * include/pstl/glue_algorithm_impl.h
3935 (std::equal): dispatch to "4 iterator" version of
3936 __internal::__pattern_equal().
3938 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
3941 * include/bits/forward_list.h (operator==): Do not use operator!= to
3943 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
3944 earlier in the list, so that sort is stable.
3945 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
3946 * testsuite/23_containers/forward_list/comparable.cc: Test with
3947 types that meet the minimum EqualityComparable and LessThanComparable
3948 requirements. Remove irrelevant comment.
3950 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
3951 Do not depend on whether all alternative types are move constructible.
3952 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
3953 from the operand when deciding whether to perform the assignment.
3954 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
3955 with deleted move constructor and deleted move assignment operator.
3956 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
3957 behaviour of variants with DeletedMoves as an alternative.
3958 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
3959 (move_ctor, move_assign): Check that moving a variant with a
3960 DeletedMoves alternative falls back to copying instead of moving.
3962 * testsuite/20_util/variant/compile.cc: Remove empty string literals
3963 from static_assert declarations.
3965 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
3966 actually match its name.
3967 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
3968 (test_swap()): Fix result for MoveCtorOnly and check
3969 MoveCtorAndSwapOnly.
3971 * include/std/optional (optional::value_or(U&&) &&): Add missing
3972 constexpr specifier.
3973 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
3974 for disengaged optionals and rvalue optionals.
3975 * testsuite/20_util/optional/observers/4.cc: Likewise.
3977 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
3979 * include/pstl/algorithm_impl.h: Uglify identfiers.
3980 * include/pstl/numeric_impl.h: Uglify identfiers.
3981 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
3983 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
3985 * include/bits/c++config:
3986 Add definition for __PSTL_ASSERT.
3987 Add definition for __PSTL_ASSERT_MSG.
3988 * include/pstl/algorithm_impl.h: Replace use of assert().
3989 * include/pstl/numeric_impl.h: Replace use of assert().
3990 * include/pstl/parallel_backend_tbb.h:
3991 Replace use of assert().
3992 Replace use of __TBB_ASSERT().
3993 * include/pstl/parallel_backend_utils.h: Replace use of assert().
3995 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
3998 * src/c++17/memory_resource.cc
3999 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
4000 needed to allow placing a _Chunk at the end of the buffer.
4001 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
4003 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
4005 * doc/xml/faq.xml: Add information about emergency EH pool.
4006 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
4007 Move outdated information on mt_allocator to a separate section.
4008 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
4009 doesn't affect the default allocator.
4011 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
4015 * testsuite/20_util/variant/89851.cc: New test.
4017 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
4019 * include/std/variant: Adjust whitespace. Add comments.
4020 (_Multi_array): Leave primary template undefined.
4021 (_Multi_array<_Tp>): Define partial specialization for base case of
4023 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
4024 which is always a reference.
4025 (__gen_vtable::_S_apply()): Remove function, inline body into
4026 default member initializer.
4027 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
4029 * include/std/variant (__variant_idx_cookie): Add member type.
4030 (__visitor_result_type): Remove.
4031 (__do_visit): Use invoke_result instead of __visitor_result_type.
4032 * testsuite/20_util/variant/visit.cc: New test.
4035 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
4037 * testsuite/20_util/variant/90008.cc: New test.
4039 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
4041 * include/pstl/algorithm_impl.h: Add namespace qualification.
4042 * include/pstl/execution_defs.h: Add namespace qualification.
4043 * include/pstl/execution_impl.h: Add namespace qualification.
4044 * include/pstl/numeric_impl.h: Add namespace qualification.
4045 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
4046 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
4047 * include/pstl/parallel_backend_utils.h: Include <cassert>.
4049 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
4051 Fix visit<R> for variant.
4052 * include/std/variant (__do_visit): Add a template parameter
4053 for enforcing same return types for visit.
4054 (__gen_vtable_impl): Likewise.
4055 (_S_apply_single_alt): Adjust.
4056 (__visit_invoke_impl): New. Handle casting to void.
4057 (__do_visit_invoke): New. Enforces same return types.
4058 (__do_visit_invoke_r): New. Converts return types.
4059 (__visit_invoke): Adjust.
4060 (__gen_vtable): Add a template parameter for enforcing
4061 same return types for visit.
4062 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
4063 different return types.
4064 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
4065 visitors with different return types don't accidentally
4066 compile with regular visitation.
4068 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
4070 * testsuite/27_io/filesystem/iterators/caching.cc: Add
4071 dg-require-filesystem-ts.
4073 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
4075 * doc/xml/manual/status_cxx2020.xml: Update status.
4076 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
4077 * testsuite/20_util/variant/visit_r.cc: New test.
4079 * include/bits/fs_dir.h (directory_iterator::operator*)
4080 (directory_iterator::operator->): Add noexcept.
4081 (operator==, operator!=): Replace namespace-scope equality operators
4082 for directory iterators with hidden friends.
4085 * config/abi/pre/gnu.ver: Add missing exports.
4086 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
4089 * config/abi/pre/gnu.ver: Export new symbols.
4090 * include/bits/fs_dir.h (recursive_directory_iterator::options())
4091 (recursive_directory_iterator::recursion_pending())
4092 (recursive_directory_iterator::disable_recursion_pending()): Remove
4093 inline definitions. Make noexcept.
4094 (recursive_directory_iterator::depth())
4095 (recursive_directory_iterator::operator*())
4096 (recursive_directory_iterator::operator->()): Make noexcept.
4097 (recursive_directory_iterator::_M_options)
4098 (recursive_directory_iterator::_M_pending): Remove data members.
4099 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
4100 (recursive_directory_iterator::recursive_directory_iterator): Remove
4101 ctor-initializer. Use new constructor for _Dir_stack.
4102 (recursive_directory_iterator::options())
4103 (recursive_directory_iterator::recursion_pending())
4104 (recursive_directory_iterator::disable_recursion_pending()): Add
4105 non-inline definitions.
4106 (recursive_directory_iterator::depth()): Make noexcept.
4107 (recursive_directory_iterator::increment(error_code&))
4108 (recursive_directory_iterator::pop(error_code&)): Adjust to new
4109 location of options and recursion_pending members.
4110 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
4111 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
4112 user-declared move constructor and assignment operator, to make the
4115 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
4116 d_type == DT_UNKNOWN immediately.
4117 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
4119 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
4121 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
4123 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
4124 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
4127 PR libstdc++/87431 (again)
4128 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
4129 Define partial specialization for basic_string.
4130 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
4131 shared_ptr and weak_ptr.
4132 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
4134 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
4136 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
4138 * include/debug/vector (_Never_valueless_alt): Likewise for debug
4140 * include/std/any (_Never_valueless_alt): Define explicit
4141 specialization for any.
4142 * include/std/variant (_Never_valueless_alt): Define primary template.
4143 (__never_valueless): Use _Never_valueless_alt instead of
4144 is_trivially_copyable.
4145 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
4146 initializations to avoid try-catch overhead. Add special case for
4147 scalars produced by potentially-throwing conversions. Use
4148 _Never_valueless_alt instead of is_trivially_copyable for the
4149 remaining strong exception-safety cases.
4150 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
4151 * testsuite/20_util/variant/87431.cc: Run both test functions.
4152 * testsuite/20_util/variant/exception_safety.cc: New test.
4153 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
4154 so the variant becomes valueless.
4156 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
4159 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
4161 (variant::emplace<_Tp>): Return result of emplace<N> directly.
4163 * include/std/string (__hash_string_base): New class template defining
4164 operator() for hashing strings.
4165 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
4166 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
4167 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
4168 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
4170 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
4172 Use single-visitation in variant assignment and swap and relops.
4173 Also use indices instead of types when checking whether
4174 variants hold the same thing.
4175 * include/std/variant (__do_visit): Add a template parameter
4176 for index visitation, invoke with indices if index visitation
4178 (__variant_idx_cookie): New.
4179 (__visit_with_index): Likewise.
4180 (_Copy_assign_base::operator=): Do single-visitation with
4182 (_Move_assign_base::operator=): Likewise.
4183 (_Extra_visit_slot_needed): Adjust.
4184 (__visit_invoke): Call with indices if it's an index visitor.
4185 (relops): Do single-visitation with an index visitor.
4187 (__visitor_result_type): New.
4189 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
4191 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
4193 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
4195 Don't revisit a variant we are already visiting.
4196 * include/std/variant (__variant_construct_single): New.
4197 (__variant_construct): Use it.
4198 (_M_destructive_move): Likewise.
4199 (_M_destructive_copy): Likewise.
4200 (_Copy_assign_base::operator=): Adjust.
4201 (_Move_assign_base::operator=): Likewise.
4204 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
4207 * include/bits/hashtable.h (_Hashtable): Move static assertions to
4208 destructor so they are not evaluated until the _Key type is complete.
4209 * include/bits/stl_tree.h (_Rb_tree): Likewise.
4210 * testsuite/23_containers/set/85965.cc: New test.
4211 * testsuite/23_containers/unordered_set/85965.cc: New test.
4212 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
4213 with regexp matching the corresponding _Rb_tree specialization.
4214 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
4215 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
4216 * testsuite/23_containers/set/48101_neg.cc: Likewise.
4217 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
4218 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
4219 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
4220 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
4222 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
4225 Fix based on a suggestion by Antony Polukhin.
4226 * include/std/variant (__never_valueless): New.
4228 (_Extra_visit_slot_needed): New.
4229 (_Multi_array): Use it.
4230 (_S_apply_all_alts): Likewise.
4232 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
4235 Fix based on a suggestion by Antony Polukhin.
4236 * include/std/variant (__gen_vtable): Don't reserve an
4237 additional table slot, _Multi_array already does that.
4239 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
4242 Fix based on a suggestion by Antony Polukhin.
4243 * include/std/variant (__variant_construct): Capture a pointer
4244 to the storage and visit just one variant.
4246 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
4248 * doc/xml/manual/backwards_compatibility.xml: Remove link to
4249 Doxygen-generated pages with unstable URL.
4250 * doc/xml/manual/concurrency_extensions.xml: Likewise.
4251 * doc/xml/manual/extensions.xml: Likewise.
4252 * doc/xml/manual/parallel_mode.xml: Likewise.
4253 * doc/xml/manual/support.xml: Likewise.
4255 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
4256 avoid -Wconversion warnings.
4258 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
4260 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
4261 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
4262 (allstamped): Add stamp-pstl.
4263 (install-headers): Add ptsl_builddir.
4264 * include/Makefile.in: Regenerate.
4265 * include/bits/c++config: Add pstl configuration.
4266 * include/pstl/LICENSE.txt: New file.
4267 * include/pstl/algorithm_fwd.h: New file.
4268 * include/pstl/algorithm_impl.h: New file.
4269 * include/pstl/execution_defs.h: New file.
4270 * include/pstl/execution_impl.h: New file.
4271 * include/pstl/glue_algorithm_defs.h: New file.
4272 * include/pstl/glue_algorithm_impl.h: New file.
4273 * include/pstl/glue_execution_defs.h: New file.
4274 * include/pstl/glue_memory_defs.h: New file.
4275 * include/pstl/glue_memory_impl.h: New file.
4276 * include/pstl/glue_numeric_defs.h: New file.
4277 * include/pstl/glue_numeric_impl.h: New file.
4278 * include/pstl/memory_impl.h: New file.
4279 * include/pstl/numeric_fwd.h: New file.
4280 * include/pstl/numeric_impl.h: New file.
4281 * include/pstl/parallel_backend.h: New file.
4282 * include/pstl/parallel_backend_tbb.h: New file.
4283 * include/pstl/parallel_backend_utils.h: New file.
4284 * include/pstl/parallel_impl.h: New file.
4285 * include/pstl/pstl_config.h: New file.
4286 * include/pstl/unseq_backend_simd.h: New file.
4287 * include/pstl/utils.h: New file.
4288 * include/std/algorithm: Include parallel algorithm implementations.
4289 * include/std/execution: New file.
4290 * include/std/memory: Include parallel algorithm implementations.
4291 * include/std/numeric: Include parallel algorithm implementations.
4292 * include/std/version: Add parallel algorithms feature test macro.
4293 * testsuite/util/pstl/pstl_test_config.h: New file.
4294 * testsuite/util/pstl/test_utils.h: New file.
4295 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
4296 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
4297 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
4298 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
4299 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
4300 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
4301 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
4302 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
4303 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
4304 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
4305 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
4306 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
4307 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
4308 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
4309 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
4310 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
4311 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
4312 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
4313 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
4314 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
4315 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
4316 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
4317 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
4318 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
4319 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
4320 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
4321 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
4322 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
4323 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
4324 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
4325 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
4326 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
4327 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
4328 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
4329 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
4330 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
4331 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
4332 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
4333 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
4334 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
4335 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
4336 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
4337 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
4338 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
4339 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
4340 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
4341 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
4342 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
4343 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
4344 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
4345 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
4346 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
4347 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
4348 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
4349 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
4350 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
4351 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
4352 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
4353 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
4354 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
4355 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
4356 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
4357 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
4358 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
4359 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
4360 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
4361 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
4362 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
4363 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
4364 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
4365 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
4366 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
4367 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
4368 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
4369 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
4370 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
4371 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
4372 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
4373 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
4374 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
4375 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
4376 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
4377 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
4378 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
4379 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
4380 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
4381 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
4382 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
4383 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
4384 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
4385 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
4386 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
4387 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
4388 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
4389 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
4390 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
4391 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
4392 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
4393 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
4394 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
4395 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
4396 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
4397 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
4398 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
4399 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
4400 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
4402 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
4404 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
4405 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
4406 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
4407 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
4408 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
4409 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
4410 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
4411 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
4412 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
4413 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
4414 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
4415 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
4416 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
4417 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
4418 when the special functions IS is enabled, not for C++17.
4419 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
4421 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
4422 without checks for special functions in C++17.
4423 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
4427 * include/backward/hash_map: Use <> for includes not "".
4428 * include/backward/hash_set: Likewise.
4429 * include/backward/strstream: Likewise.
4430 * include/tr1/bessel_function.tcc: Likewise.
4431 * include/tr1/exp_integral.tcc: Likewise.
4432 * include/tr1/legendre_function.tcc: Likewise.
4433 * include/tr1/modified_bessel_func.tcc: Likewise.
4434 * include/tr1/riemann_zeta.tcc: Likewise.
4436 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
4438 * doc/xml/manual/allocator.xml: Link to table documenting evolution
4439 of extension allocators.
4440 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
4441 Document new headers in 7.2, 8.1 and 9.1 releases.
4442 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
4443 * doc/html/*: Regenerate.
4445 2019-03-12 John David Anglin <dave.anglin@bell.net>
4448 * testsuite/lib/libstdc++.exp: Locate libatomic.
4449 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
4450 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
4452 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
4453 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
4454 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
4455 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
4457 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
4460 * configure.ac: Check for sockatmark.
4461 * crossconfig.m4: Check for sockatmark.
4462 * config.h.in: Regenerate.
4463 * configure: Regenerate.
4464 * include/experimental/internet (address_v4::_S_hton): Rename
4465 overloaded functions to _S_hton_16 and _S_ntoh_16.
4466 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
4467 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
4468 * include/experimental/socket (basic_socket::at_mark): Check
4469 _GLIBCXX_HAVE_SOCKATMARK.
4471 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
4472 const variables instead of macros.
4475 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
4476 Use correct type for len_aligned.
4477 * testsuite/20_util/hash/89629.cc: New test.
4479 2019-03-11 Jakub Jelinek <jakub@redhat.com>
4482 * include/std/atomic (atomic<T>::store, atomic<T>::load,
4483 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
4484 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
4485 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
4486 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
4487 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
4488 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
4489 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
4490 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
4491 memory_order_seq_cst to int.
4493 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
4495 * doc/xml/manual/using.xml: Use link element instead of xref.
4496 * doc/html/*: Regenerate.
4498 * include/bits/fs_path.h (path::format): Add fixed underlying type.
4500 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
4503 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
4504 parameters in deduction guides.
4505 * include/debug/multimap.h (multimap): Likewise.
4506 * include/debug/set.h (multimap): Likewise.
4507 * include/debug/multiset.h (multimap): Likewise.
4508 * include/debug/unordered_map (unordered_map): Likewise.
4509 (unordered_multimap): Likewise.
4510 * include/debug/unordered_set (unordered_set): Likewise.
4511 (unordered_multiset): Likewise.
4514 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
4515 Invalidate all iterators in case of rehash.
4516 (unordered_multimap<>::_M_check_rehashed): Likewise.
4517 * include/debug/unordered_set
4518 (unordered_set<>::_M_check_rehashed): Likewise.
4519 (unordered_multiset<>::_M_check_rehashed): Likewise.
4520 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
4522 2019-03-07 Andreas Schwab <schwab@suse.de>
4524 * config/abi/post/riscv64-linux-gnu: New directory.
4525 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
4527 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
4529 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
4530 compile test to run. Fix typo.
4532 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
4533 * doc/html/*: Regenerate.
4535 P0356R5 Simplified partial function application
4536 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
4537 helpers for bind_front.
4538 (bind_front, __cpp_lib_bind_front): Define.
4539 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
4541 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4543 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
4544 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
4545 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
4546 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
4548 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
4550 PR libstdc++/86655 - std::assoc_legendre should not constrain
4551 the value of m (or x).
4552 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
4553 __sph_legendre): If degree > order Don't throw, return 0.
4554 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
4555 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
4556 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
4557 * testsuite/tr1/5_numerical_facilities/special_functions/
4558 02_assoc_legendre/pr86655.cc: New test.
4559 * testsuite/tr1/5_numerical_facilities/special_functions/
4560 22_sph_legendre/pr86655.cc: New test.
4562 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
4565 Also PR libstdc++/85517
4566 * include/std/variant (__do_visit): New.
4567 (__variant_cast): Likewise.
4568 (__variant_cookie): Likewise.
4569 (__erased_*): Remove.
4570 (_Variant_storage::_S_vtable): Likewise.
4571 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
4572 (_Variant_storage::__M_reset): Adjust.
4573 (__variant_construct): New.
4574 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
4575 __variant_construct.
4576 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
4577 (_Move_ctor_base::__M_destructive_copy): New.
4578 (_Move_ctor_base::__M_destructive_move): Adjust to use
4579 __variant_construct.
4580 (_Copy_assign_base::operator=): Adjust to use __do_visit.
4581 (_Copy_assign_alias): Adjust to check both copy assignment
4582 and copy construction for triviality.
4583 (_Move_assign_base::operator=): Adjust to use __do_visit.
4584 (_Multi_array): Add support for visitors that accept and return
4586 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
4587 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
4588 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
4589 a __variant_cookie temporary for a variant that is valueless and..
4590 (__gen_vtable_impl::__visit_invoke): ..adjust here.
4591 (__gen_vtable::_Array_type): Conditionally make space for
4592 the __variant_cookie visitor case.
4593 (__variant_construct_by_index): New.
4594 (get_if): Adjust to use std::addressof.
4595 (relops): Adjust to use __do_visit.
4596 (variant): Add __variant_cast and __variant_construct_by_index
4598 (variant::emplace): Use _M_reset() and __variant_construct_by_index
4599 instead of self-destruction.
4600 (variant::swap): Adjust to use __do_visit.
4601 (visit): Reimplement in terms of __do_visit.
4602 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
4603 * testsuite/20_util/variant/compile.cc: Adjust.
4604 * testsuite/20_util/variant/run.cc: Likewise.
4606 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4608 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
4610 * testsuite/experimental/feat-char8_t.cc: Likewise.
4612 * include/std/type_traits [C++20] (is_bounded_array)
4613 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
4615 * testsuite/20_util/is_bounded_array/requirements/
4616 explicit_instantiation.cc: New test.
4617 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
4619 * testsuite/20_util/is_bounded_array/value.cc: New test.
4620 * testsuite/20_util/is_unbounded_array/requirements/
4621 explicit_instantiation.cc: New test.
4622 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
4624 * testsuite/20_util/is_unbounded_array/value.cc: New test.
4626 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
4628 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
4630 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
4632 * include/c_compatibility/math.h [C++20] (lerp): Add using
4634 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
4635 (__lerp): Define function template to implement lerp.
4636 (lerp(float, float, float), lerp(double, double, double))
4637 (lerp(long double, long double, long double)): Define for C++20.
4638 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
4639 (midpoint(T, T), midpoint(T*, T*)): Define.
4640 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
4641 * testsuite/26_numerics/lerp.cc: New test.
4642 * testsuite/26_numerics/midpoint/floating.cc: New test.
4643 * testsuite/26_numerics/midpoint/integral.cc: New test.
4644 * testsuite/26_numerics/midpoint/pointer.cc: New test.
4646 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
4648 PR libstdc++/88996 Implement P0439R0
4649 Make std::memory_order a scoped enumeration.
4650 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
4651 add variables for the old enumerators. Adjust calls.
4652 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
4653 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
4655 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
4657 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
4660 * include/std/memory_resource (polymorphic_allocator): Add default
4661 template argument for C++20.
4662 (polymorphic_allocator::allocate_bytes)
4663 (polymorphic_allocator::deallocate_bytes)
4664 (polymorphic_allocator::allocate_object)
4665 (polymorphic_allocator::deallocate_object)
4666 (polymorphic_allocator::new_object)
4667 (polymorphic_allocator::delete_object): New member functions for
4669 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
4672 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
4675 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
4678 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
4680 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
4681 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
4683 * include/std/memory (uses_allocator_construction_args): New set of
4684 overloaded functions.
4685 (make_obj_using_allocator, uninitialized_construct_using_allocator):
4687 * include/std/memory_resource (polymorphic_allocator::construct)
4688 [__cplusplus > 201703l]: Replace all overloads with a single function
4689 using uses_allocator_construction_args.
4690 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
4692 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
4694 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
4697 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
4698 stylesheet directories before check for xsltproc. Try to use
4699 xmlcatalog to find local stylesheet directory before trying hardcoded
4700 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
4701 check to look for the same stylesheet as doc/Makefile.am uses. Don't
4702 use xsltproc if xmlcatalog fails to find a local stylesheet.
4703 * configure.ac: Check for xmlcatalog.
4704 * Makefile.in: Regenerate.
4705 * configure: Likewise.
4706 * doc/Makefile.in: Likewise.
4707 * include/Makefile.in: Likewise.
4708 * libsupc++/Makefile.in: Likewise.
4709 * po/Makefile.in: Likewise.
4710 * python/Makefile.in: Likewise.
4711 * src/Makefile.in: Likewise.
4712 * src/c++11/Makefile.in: Likewise.
4713 * src/c++17/Makefile.in: Likewise.
4714 * src/c++98/Makefile.in: Likewise.
4715 * src/filesystem/Makefile.in: Likewise.
4716 * testsuite/Makefile.in: Likewise.
4718 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
4721 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
4722 container deduction guides.
4723 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
4724 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
4725 parameters in deduction guides.
4726 * include/bits/stl_multimap.h (multimap): Likewise.
4727 * include/bits/stl_multiset.h (multiset): Likewise.
4728 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
4729 * include/bits/stl_set.h (set): Likewise.
4730 * include/bits/stl_stack.h (stack): Likewise.
4731 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
4732 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
4733 constrain parameters in deduction guides.
4734 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
4736 * testsuite/23_containers/map/cons/deduction.cc: Test additional
4738 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
4739 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
4740 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
4741 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
4743 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
4745 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
4748 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
4749 to class template and partial specialization using void_t.
4750 (__is_copy_insertable, __is_move_insertable): Adjust base class.
4752 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
4755 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
4756 copy and move members public.
4758 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
4760 * include/std/type_traits (__underlying_type_impl): New helper to
4761 make underlying_type SFINAE-friendly.
4762 (underlying_type): Derive from __underlying_type_impl.
4763 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
4767 * include/bits/char_traits.h (__constant_char_array): Check index is
4768 in range before dereferencing.
4769 (char_traits<char>::compare, char_traits<char>::find)
4770 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
4771 immediately if n is zero.
4772 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
4773 Remove workarounds for PR 67026.
4774 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
4776 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
4779 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4781 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
4782 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
4784 2019-02-22 Jakub Jelinek <jakub@redhat.com>
4787 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
4788 type to std::size_t and argument to type to long double.
4790 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4792 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
4793 * config/abi/post/sparc64-linux-gnu: New directory.
4794 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
4795 * config/abi/post/sparc64-linux-gnu/32: New directory.
4796 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
4798 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
4800 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
4801 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
4804 2019-02-22 Tom Honermann <tom@honermann.net>
4806 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
4807 printers for u8string and u8string_view.
4809 2019-02-22 Tom Honermann <tom@honermann.net>
4811 * testsuite/18_support/byte/ops.cc: Validate
4812 std::to_integer<char8_t>, std::to_integer<char16_t>, and
4813 std::to_integer<char32_t>.
4814 * testsuite/18_support/numeric_limits/dr559.cc: Validate
4815 std::numeric_limits<char8_t>.
4816 * testsuite/18_support/numeric_limits/lowest.cc: Validate
4817 std::numeric_limits<char8_t>::lowest().
4818 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
4819 std::numeric_limits<char8_t>::max_digits10.
4820 * testsuite/18_support/type_info/fundamental.cc: Validate
4821 typeinfo for char8_t.
4822 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
4823 std::from_chars with char8_t.
4824 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
4825 Validate explicit instantiation of std::hash<char8_t>.
4826 * testsuite/20_util/is_integral/value.cc: Validate
4827 std::is_integral<char8_t>.
4828 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
4829 Validate std::make_signed<char8_t>.
4830 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
4831 Validate u8string construction from char8_t sources.
4832 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
4834 * testsuite/21_strings/basic_string_view/operations/compare/
4835 char/70483.cc: Validate substr operations on u8string_view.
4836 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
4837 the u8string_view typedef is defined.
4838 * testsuite/21_strings/char_traits/requirements/
4839 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
4841 * testsuite/21_strings/char_traits/requirements/
4842 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
4843 constexpr member functions.
4844 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
4845 that the u8string typedef is defined.
4846 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
4847 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
4848 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
4849 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
4851 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
4852 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
4854 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
4855 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
4856 Validate std::atomic<char8_t>::is_always_lock_free
4857 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
4858 Update line numbers.
4859 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
4861 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
4863 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
4864 Validate std::experimental::pmr::u8string.
4865 * testsuite/experimental/string_view/typedefs.cc: Validate that the
4866 u8string_view typedef is defined.
4867 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
4868 char32_t to the typelists.
4870 2019-02-22 Tom Honermann <tom@honermann.net>
4872 * include/ext/typelist.h: Constrain a partial specialization of
4873 typelist::detail::append_ to only match chain<T1,T2>.
4875 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
4878 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
4879 class template with class. Replace move and copy member types with
4880 member alias templates, so they are only instantiated when needed.
4881 (__is_copy_insertable, __is_move_insertable): Adjust base class.
4882 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
4883 test for C++11/14/17 as well.
4884 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
4887 2019-02-20 Jakub Jelinek <jakub@redhat.com>
4890 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
4891 _GLIBCXX_PURE to the alias declaration.
4893 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
4895 * testsuite/21_strings/basic_string/literals/types.cc
4896 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
4897 * testsuite/21_strings/basic_string/literals/values.cc
4898 [_GLIBCXX_USE_CHAR8_T]: Likewise.
4899 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
4900 potentially having different type.
4901 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
4902 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
4904 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
4905 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
4906 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
4907 string literals only using basic character set.
4908 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
4909 u8 literals to char.
4910 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
4911 Test ATOMIC_CHAR8_T_LOCK_FREE.
4912 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
4913 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
4914 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
4915 * testsuite/experimental/string_view/literals/types.cc
4916 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
4918 * testsuite/experimental/string_view/literals/values.cc
4919 [_GLIBCXX_USE_CHAR8_T]: Likewise.
4921 2019-02-19 Tom Honermann <tom@honermann.net>
4923 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
4924 from char16_32_t.cc; validates numeric_limits<char8_t>.
4925 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
4926 test cloned from types.cc; validates operator""s for char8_t
4928 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
4929 test cloned from values.cc; validates construction and comparison
4931 * testsuite/21_strings/basic_string/requirements/
4932 /explicit_instantiation/char8_t/1.cc: New test cloned from
4933 char16_t/1.cc; validates explicit instantiation of
4934 basic_string<char8_t>.
4935 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
4936 New test cloned from types.cc; validates operator""sv for char8_t
4937 returns u8string_view.
4938 * testsuite/21_strings/basic_string_view/literals/
4939 values-char8_t.cc: New test cloned from values.cc; validates
4940 construction and comparison of u8string_view values.
4941 * testsuite/21_strings/basic_string_view/requirements/
4942 explicit_instantiation/char8_t/1.cc: New test cloned from
4943 char16_t/1.cc; validates explicit instantiation of
4944 basic_string_view<char8_t>.
4945 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
4946 New test cloned from char16_t/65049.cc; validates that
4947 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
4948 * testsuite/21_strings/char_traits/requirements/char8_t/
4949 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
4950 that char_traits<char8_t> member typedefs are present and correct.
4951 * testsuite/21_strings/char_traits/requirements/
4952 explicit_instantiation/char8_t/1.cc: New test cloned from
4953 char16_t/1.cc; validates explicit instantiation of
4954 char_traits<char8_t>.
4955 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
4956 from char16_t.cc: validates
4957 codecvt<char16_t, char8_t, mbstate_t>.
4958 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
4959 from char32_t.cc: validates
4960 codecvt<char32_t, char8_t, mbstate_t>.
4961 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
4962 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
4963 codecvt<char32_t, char8_t, std::mbstate_t>.
4964 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
4965 test cloned from string.cc; validates filesystem::path construction
4967 * testsuite/experimental/feat-char8_t.cc: New test; validates that
4968 the __cpp_lib_char8_t feature test macro is defined with the
4970 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
4971 New test cloned from string.cc; validates filesystem::path
4972 construction from char8_t input.
4973 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
4974 test cloned from types.cc; validates operator""sv for char8_t
4975 returns u8string_view.
4976 * testsuite/experimental/string_view/literals/values-char8_t.cc:
4977 New test cloned from values.cc; validates construction and
4978 comparison of u8string_view values.
4979 * testsuite/experimental/string_view/requirements/
4980 explicit_instantiation/char8_t/1.cc: New test cloned from
4981 char16_t/1.cc; validates explicit instantiation of
4982 basic_string_view<char8_t>.
4983 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
4984 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
4987 2019-02-19 Tom Honermann <tom@honermann.net>
4989 P0482R5 char8_t: Standard library support
4990 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
4991 typeinfo symbols for char8_t.
4992 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
4993 (GLIBCXX_3.4.26): Add symbols for specializations of
4994 numeric_limits and codecvt that involve char8_t.
4995 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
4996 * include/bits/atomic_base.h: Add atomic_char8_t.
4997 * include/bits/basic_string.h: Add std::hash<u8string> and
4998 operator""s(const char8_t*, size_t).
4999 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
5001 * include/bits/char_traits.h: Add char_traits<char8_t>.
5002 * include/bits/codecvt.h: Add
5003 codecvt<char16_t, char8_t, mbstate_t>,
5004 codecvt<char32_t, char8_t, mbstate_t>,
5005 codecvt_byname<char16_t, char8_t, mbstate_t>, and
5006 codecvt_byname<char32_t, char8_t, mbstate_t>.
5007 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
5008 recognize char8_t as an integral type.
5009 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
5011 (path::u8string): Return std::u8string when char8_t support is
5013 (path::generic_u8string): Likewise.
5014 (path::_S_convert): Handle conversion from char8_t input.
5015 (path::_S_str_convert): Likewise.
5016 * include/bits/functional_hash.h: Add hash<char8_t>.
5017 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
5019 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
5020 for new char8_t specializations.
5021 * include/bits/localefwd.h: Add missing declarations of
5022 codecvt<char16_t, char, mbstate_t> and
5023 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
5024 codecvt<char16_t, char8_t, mbstate_t> and
5025 codecvt<char32_t, char8_t, mbstate_t>.
5026 * include/bits/postypes.h: Add u8streampos
5027 * include/bits/stringfwd.h: Add declarations of
5028 char_traits<char8_t> and u8string.
5029 * include/c_global/cstddef: Add __byte_operand<char8_t>.
5030 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
5032 (path::u8string): Return std::u8string when char8_t support is
5034 (path::generic_u8string): Likewise.
5035 (path::_S_convert): Handle conversion from char8_t input.
5036 (path::_S_str_convert): Likewise.
5037 * include/experimental/string: Add u8string.
5038 * include/experimental/string_view: Add u8string_view,
5039 hash<experimental::u8string_view>, and
5040 operator""sv(const char8_t*, size_t).
5041 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
5042 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
5043 as a character type.
5044 * include/std/limits: Add numeric_limits<char8_t>.
5045 * include/std/string_view: Add u8string_view,
5046 hash<experimental::u8string_view>, and
5047 operator""sv(const char8_t*, size_t).
5048 * include/std/type_traits: Add __is_integral_helper<char8_t>,
5049 __make_unsigned<char8_t>, and __make_signed<char8_t>.
5050 * libsupc++/atomic_lockfree_defines.h: Define
5051 ATOMIC_CHAR8_T_LOCK_FREE.
5052 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
5053 codecvt.cc and limits.cc so that char8_t specializations of
5054 numeric_limits and codecvt and emitted.
5055 * src/c++11/Makefile.in: Likewise.
5056 * src/c++11/codecvt.cc: Define members of
5057 codecvt<char16_t, char8_t, mbstate_t>,
5058 codecvt<char32_t, char8_t, mbstate_t>,
5059 codecvt_byname<char16_t, char8_t, mbstate_t>, and
5060 codecvt_byname<char32_t, char8_t, mbstate_t>.
5061 * src/c++11/limits.cc: Define members of
5062 numeric_limits<char8_t>.
5063 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
5064 locale_init.cc and localename.cc.
5065 * src/c++98/Makefile.in: Likewise.
5066 * src/c++98/locale_init.cc: Add initialization for the
5067 codecvt<char16_t, char8_t, mbstate_t> and
5068 codecvt<char32_t, char8_t, mbstate_t> facets.
5069 * src/c++98/localename.cc: Likewise.
5070 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
5072 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
5074 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
5075 * 27_io/filesystem/operations/resize_file.cc: Likewise.
5076 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
5078 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
5080 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
5081 * doc/html/*: Regenerate.
5083 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
5084 * doc/html/*: Regenerate.
5086 * doc/xml/manual/intro.xml: Document LWG 2586 status.
5087 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
5088 allocator type in is_constructible checks.
5089 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
5090 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
5091 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
5092 problematic type from LWG 2586 discussion.
5093 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
5094 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
5096 * configure.ac: Check for C11 timespec_get function.
5097 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
5099 * config.h.in: Regenerate.
5100 * configure: Regenerate.
5101 * include/c_global/ctime (timespec, timespec_get): Add to namespace
5102 std for C++17 and up.
5104 * doc/xml/manual/intro.xml: Document LWG 2537 status.
5105 * include/bits/stl_queue.h
5106 (priority_queue(const Compare&, const Container&, const Alloc&))
5107 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
5109 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
5111 * doc/xml/manual/intro.xml: Document LWG 2566 status.
5112 * include/bits/stl_queue.h (queue, priority_queue): Add static
5113 assertions to enforce LWG 2566 requirement on value_type.
5114 * include/bits/stl_stack.h (stack): Likewise.
5117 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
5119 * doc/xml/manual/intro.xml: Document LWG 2735 status.
5120 * include/bits/std_abs.h: Add comment about LWG 2735.
5121 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
5123 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
5126 * include/std/version [__cpp_impl_destroying_delete]
5127 (__cpp_lib_destroying_delete): Only define for C++2a and later.
5128 * libsupc++/new [__cpp_impl_destroying_delete]
5129 (__cpp_lib_destroying_delete): Likewise.
5130 (destroying_delete_t, destroying_delete): Likewise, but define even
5131 when __cpp_impl_destroying_delete is not defined.
5132 * testsuite/18_support/destroying_delete.cc: New test.
5134 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
5137 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
5138 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
5139 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
5140 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
5142 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
5145 * include/bits/fs_path.h (path::has_root_name)
5146 (path::has_root_directory, path::has_root_path)
5147 (path::has_relative_path, path::has_parent_path)
5148 (path::has_filename, path::has_stem, path::has_extension)
5149 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
5151 * src/c++17/fs_path.cc (path::has_root_name)
5152 (path::has_root_directory, path::has_root_path)
5153 (path::has_relative_path, path::has_parent_path)
5154 (path::has_filename, path::_M_find_extension): Add noexcept.
5156 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
5158 PR libstdc++/89102 (partial)
5159 * include/std/type_traits (common_type<>): Define.
5160 (common_type<T>): Derive from common_type<T, T>.
5161 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
5162 Test zero-length template argument list.
5163 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
5164 Test additional single argument cases.
5165 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
5166 Adjust expected error.
5168 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
5171 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
5173 * include/bits/stl_stack.h (stack): Likewise.
5174 * testsuite/23_containers/priority_queue/deduction.cc: New test.
5175 * testsuite/23_containers/queue/deduction.cc: New test.
5176 * testsuite/23_containers/stack/deduction.cc: New test.
5179 * include/std/type_traits (__is_convertible_helper)
5180 (__is_convertible_helper<_From, _To, false>): Revert changes to
5181 support is_nothrow_convertible.
5182 (__is_nt_convertible_helper): New helper.
5183 (is_nothrow_convertible): Use __is_nt_convertible_helper.
5185 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
5186 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
5189 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
5190 __is_alloc_insertable_impl. Replace single type member with two
5191 members, one for each of copy and move insertable.
5192 (__is_move_insertable): New trait for internal use.
5193 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
5194 (vector::_S_nothrow_relocate(true_type)): New functions to
5195 conditionally check if __relocate_a can throw.
5196 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
5197 on __is_move_insertable.
5198 (vector::_S_do_relocate): New overloaded functions to conditionally
5200 (vector::_S_relocate): New function that dispatches to _S_do_relocate
5201 based on _S_use_relocate.
5202 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
5203 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
5204 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
5207 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
5208 parameter unnamed. Add message to static assertion.
5209 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
5210 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
5213 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
5216 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
5218 (__is_bitwise_relocatable): ... to this.
5219 (__relocate_a_1): Adapt.
5220 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
5221 (__is_bitwise_relocatable): ... to this.
5223 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
5226 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
5227 final component as well as from _M_pathname. Append the dot using
5228 operator+= instead of only to _M_pathname.
5229 (path::_M_find_extension): Reformat slightly.
5230 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
5231 Add more test cases.
5233 2019-01-30 Ulrich Drepper <drepper@redhat.com>
5235 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
5237 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
5239 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
5240 constexpr specifiers from arg and proj.
5242 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
5243 __shared_ptr instantiations used by gcc4-compatible ABI.
5245 * include/experimental/forward_list (experimental::erase): Qualify
5247 * include/experimental/list (experimental::erase): Likewise.
5248 * include/std/forward_list (std::erase): Likewise.
5249 * include/std/list (std::erase): Likewise.
5251 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
5253 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
5254 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
5255 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
5256 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
5257 * testsuite/ext/array_allocator/26875.cc: Likewise.
5258 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
5259 * testsuite/util/replacement_memory_operators.h: Likewise.
5260 * testsuite/util/testsuite_allocator.h: Likewise.
5262 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
5263 normal mode vector, even for debug mode.
5264 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
5265 Define alias template for normal mode vector.
5267 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
5270 * config/locale/generic/c_locale.h (__convert_from_v)
5271 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
5272 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
5273 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
5274 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
5276 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
5279 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
5280 data member with static member function _S_use_relocate().
5281 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
5282 (vector::_M_default_append): Use _S_use_relocate() instead of
5285 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
5288 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
5291 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
5292 write to stderr instead of using printf.
5294 2019-01-21 Jakub Jelinek <jakub@redhat.com>
5297 * include/bits/char_traits.h (__constant_string_p,
5298 __constant_char_array_p): Use __builtin_is_constant_evaluated if
5301 2019-01-20 Ulrich Drepper <drepper@redhat.com>
5303 Implement C++20 P0600r1.
5304 * include/backward/hash_map: Add nodiscard attribute to empty.
5305 * include/backward/hash_set: Likewise.
5306 * backward/hashtable.h: Likewise.
5307 * include/bits/basic_string.h: Likewise.
5308 * include/bits/forward_list.h: Likewise.
5309 * include/bits/hashtable.h: Likewise.
5310 * include/bits/regex.h: Likewise.
5311 * include/bits/stl_deque.h: Likewise.
5312 * include/bits/stl_list.h: Likewise.
5313 * include/bits/stl_map.h: Likewise.
5314 * include/bits/stl_multimap.h: Likewise.
5315 * include/bits/stl_multiset.h: Likewise.
5316 * include/bits/stl_queue.h: Likewise.
5317 * include/bits/stl_set.h: Likewise.
5318 * include/bits/stl_stack.h: Likewise.
5319 * include/bits/stl_tree.h: Likewise.
5320 * include/bits/stl_vector.h: Likewise.
5321 * include/bits/unordered_map.h: Likewise.
5322 * include/bits/unordered_set.h: Likewise.
5323 * include/debug/array: Likewise.
5324 * include/experimental/any: Likewise.
5325 * include/experimental/bits/fs_path.h: Likewise.
5326 * include/experimental/internet: Likewise.
5327 * include/experimental/string_view: Likewise.
5328 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
5330 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
5332 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
5334 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
5336 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
5338 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
5340 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
5342 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
5344 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
5345 info_fn_imps.hpp: Likewise.
5346 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
5347 left_child_next_sibling_heap_.hpp: Likewise.
5348 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
5350 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
5352 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
5354 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
5356 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
5358 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
5360 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
5362 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
5363 * include/ext/pb_ds/trie_policy.hpp: Likewise.
5364 * include/ext/rope: Likewise.
5365 * include/ext/slist: Likewise.
5366 * include/ext/vstring.h: Likewise.
5367 * include/profile/array: Likewise.
5368 * include/std/array: Likewise.
5369 * include/tr1/array: Likewise.
5370 * include/tr1/hashtable.h: Likewise.
5371 * include/tr1/regex: Likewise.
5372 * include/tr2/dynamic_bitset: Likewise.
5373 * include/bits/alloc_traits.h: Add nodiscard attribute to
5375 * include/experimental/memory_resource: Likewise.
5376 * include/ext/alloc_traits.h: Likewise.
5377 * include/ext/array_allocator.h: Likewise.
5378 * include/ext/bitmap_allocator.h: Likewise.
5379 * include/ext/debug_allocator.h: Likewise.
5380 * include/ext/extptr_allocator.h: Likewise.
5381 * include/ext/mt_allocator.h: Likewise.
5382 * include/ext/new_allocator.h: Likewise.
5383 * include/ext/pool_allocator.h: Likewise.
5384 * include/ext/throw_allocator.h: Likewise.
5385 * include/std/scoped_allocator: Likewise.
5386 * libsupc++/eh_alloc.cc: Likewise.
5387 * include/std/future: Add nodiscard attribute to async.
5388 * libsupc++/new: Add nodiscard attribute to new.
5390 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
5395 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
5396 * include/bits/shared_ptr.h
5397 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
5398 (allocate_shared): Change to use new tag type.
5399 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
5400 Declare new member function.
5401 (_Sp_alloc_shared_tag): Define new type.
5402 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
5403 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
5404 _Sp_make_shared_tag::_S_eq to check type_info.
5405 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
5406 Constrain to prevent being called with _Sp_alloc_shared_tag.
5407 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
5408 Replace constructor with ...
5409 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
5410 reference parameter so address of the new object can be returned to
5411 the caller. Obtain the allocator from the tag type.
5412 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
5413 constructor with ...
5414 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
5415 to the __shared_count constructor.
5416 (__allocate_shared): Change to use new tag type.
5417 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
5419 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
5421 * src/c++17/fs_ops.cc
5422 (equivalent(const path&, const path&, error_code&))
5423 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
5424 compare files instead of relying on incomplete info returned by stat.
5427 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
5428 if the path is already absolute.
5429 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
5430 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
5433 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
5434 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
5435 of filesystem::exists.
5436 (create_directories(const path&, error_code&)): Add assertions.
5437 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
5438 Add workaround for bug in _wstat for paths with trailing slash.
5439 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
5440 for expected behaviour on mingw.
5441 * testsuite/experimental/filesystem/operations/create_directories.cc:
5443 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
5444 "TMP" instead of "TMPDIR" and clean environment before each test. Do
5445 not test permissions on mingw targets.
5447 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
5449 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
5450 constructors and open members taking wide strings. Fix patterns for
5451 filesystem::path members to match wstring_view parameters. Add
5452 exports for shared_ptr members used by directory iterators.
5453 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
5454 error code parameter if the file doesn't exist.
5455 * src/filesystem/ops.cc (remove(const path&, error_code&)):
5457 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
5458 values for mingw targets, where "/" is not an absolute path. Do not
5459 test symlinks on mingw targets.
5460 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
5461 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
5463 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
5464 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
5465 that each component of the path is created.
5466 * testsuite/experimental/filesystem/operations/create_directories.cc:
5468 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
5469 permissions on mingw targets.
5470 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
5471 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
5472 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
5473 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
5475 * testsuite/experimental/filesystem/operations/permissions.cc:
5477 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
5478 symlinks or permissions on mingw targets.
5479 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
5480 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
5481 symlinks on mingw targets.
5482 * testsuite/experimental/filesystem/operations/remove_all.cc:
5484 * testsuite/27_io/filesystem/operations/status.cc: Do not test
5485 permissions on mingw targets.
5486 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
5487 test symlinks on mingw targets.
5488 * testsuite/experimental/filesystem/operations/space.cc: Fix test
5491 2019-02-14 Ulrich Drepper <drepper@redhat.com>
5494 Warn about unused comparisons of shared_ptr/unique_ptr
5495 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
5496 * include/bits/shared_ptr.h: Use it for operator ==, !=,
5497 <, <=, >, >= for shared_ptr.
5498 * include/bits/unique_ptr.h: Likewise for unique_ptr.
5500 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
5502 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
5503 as 201611L, because P0497R0 changes are supported.
5504 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
5506 * include/bits/erase_if.h [__cplusplus > 201703L]
5507 (__cpp_lib_erase_if): Only define for C++2a.
5508 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5509 (__cpp_lib_null_iterators): Define.
5510 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5511 (__cpp_lib_null_iterators): Define.
5512 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
5514 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
5516 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
5518 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
5519 changes are supported.
5520 * include/std/optional (__cpp_lib_optional): Likewise.
5521 * include/std/variant (__cpp_lib_variant): Likewise.
5522 * include/std/version [!__STRICT_ANSI__]
5523 (__cpp_lib_uncaught_exceptions): Define as long integer.
5524 [__cplusplus >= 201703L] (__cpp_lib_any)
5525 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
5526 (__cpp_lib_variant): Define for C++17.
5527 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
5529 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
5532 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
5534 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
5538 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
5540 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
5543 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5545 * doc/xml/manual/intro.xml: Include new section.
5546 * doc/xml/manual/status_cxx2017.xml: Document more
5547 implementation-defined properties of the library.
5548 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
5549 * doc/html/*: Regenerate.
5551 * include/bits/refwrap.h [__cplusplus > 201703L]
5552 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
5553 (_Reference_wrapper_base_memfun): Do not define for C++2a.
5554 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
5556 (reference_wrapper::operator()): Add static assertion.
5557 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
5559 * include/std/chrono (duration_values::zero(), duration_values::min())
5560 (duration_values::max()): Add noexcept.
5561 (duration::zero(), duration::min(), duration::max()): Likewise.
5562 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
5563 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
5564 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
5566 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
5568 2019-01-11 Jakub Jelinek <jakub@redhat.com>
5570 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
5571 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
5573 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5576 * include/bits/functional_hash.h (hash<nullptr_t>): Define
5577 specialization for C++17 (P0513R0, LWG 2817).
5578 * testsuite/20_util/hash/nullptr.cc: New test.
5581 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
5582 pattern for std::basic_stringbuf::str().
5584 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
5585 basic_ostream::operator<< patterns.
5587 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
5589 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
5590 test failures on targets with 32-bit time_t.
5592 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
5593 * include/std/deque: Likewise.
5594 * include/std/forward_list: Likewise.
5595 * include/std/list: Likewise.
5596 * include/std/string: Likewise.
5597 * include/std/vector: Likewise.
5598 * include/std/version: Likewise.
5599 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
5600 * testsuite/23_containers/deque/erasure.cc: Likewise.
5601 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
5602 * testsuite/23_containers/list/erasure.cc: Likewise.
5603 * testsuite/23_containers/map/erasure.cc: Likewise.
5604 * testsuite/23_containers/set/erasure.cc: Likewise.
5605 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
5606 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
5607 * testsuite/23_containers/vector/erasure.cc: Likewise.
5609 * include/experimental/internet [AI_NUMERICSERV]
5610 (resolver_base::numeric_service): Define conditionally.
5611 * testsuite/experimental/net/internet/resolver/base.cc: Test it
5613 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
5616 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
5617 Jonathan Wakely <jwakely@redhat.com>
5620 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
5621 (GLIBCXX_3.4.26): Add new exports.
5622 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
5623 correct list of sources.
5624 * include/Makefile.in: Regenerate.
5625 * include/std/ostream (operator<<(nullptr_t)): New member function.
5626 * src/c++17/ostream-inst.cc: New file.
5627 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
5630 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
5632 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
5633 of the source file containing the caller.
5634 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
5635 directories created by test.
5636 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
5638 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
5640 * testsuite/experimental/filesystem/iterators/
5641 recursive_directory_iterator.cc: Likewise.
5643 2019-01-10 Jakub Jelinek <jakub@redhat.com>
5645 PR tree-optimization/88775
5646 * include/bits/stl_function.h (greater<_Tp*>::operator(),
5647 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
5648 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
5649 instead of __builtin_constant_p if available. Don't bother with
5650 the pointer comparison in C++11 and earlier.
5652 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
5656 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
5659 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
5661 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
5662 for filesystem::path. Give variables more distinctive names.
5664 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
5665 member function to perform non-trivial assignment.
5666 (_Optional_payload_base::_M_move_assign): Likewise.
5667 (_Optional_payload<T, true, false, true>::operator=)
5668 (_Optional_payload<T, true, true, false>::operator=)
5669 (_Optional_payload<T, true, false, false>::operator=): Call
5670 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
5673 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
5674 test std::complex<long double> if long double format is IBM128.
5675 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
5678 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5680 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
5681 for old std::unique_ptr layout.
5682 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
5683 to become valueless. Add filesystem::path tests.
5686 * include/std/optional (_Optional_payload_base): New class template
5687 for common code hoisted from _Optional_payload specializations. Use
5688 a template for the union, to allow a partial specialization for
5689 types with non-trivial destructors. Add constructors for in-place
5690 initialization to the union.
5691 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
5692 to perform non-trivial copy construction, instead of relying on
5693 non-standard copy elision in a delegating constructor.
5694 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
5695 non-trivial move construction.
5696 (_Optional_payload): Derive from _Optional_payload_base and use it
5697 for everything except the non-trivial assignment operators, which are
5699 (_Optional_payload<false, C, M>): Derive from the specialization
5700 _Optional_payload<true, false, false> and add a destructor.
5701 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
5702 Forward to corresponding members of _Optional_payload.
5703 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
5704 Hoist common members from _Optional_base.
5705 (_Optional_base): Make all members and base class public.
5706 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
5707 _Optional_base_impl.
5708 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
5709 support for new std::optional layout.
5710 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
5713 * include/bits/locale_conv.h: Use <> for includes not "".
5714 * include/ext/random: Likewise.
5715 * include/ext/vstring.h: Likewise.
5717 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5719 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
5720 (GLIBCXX_3.4.21): Likewise.
5722 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5725 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
5726 to match the one that controls whether utimbuf and utime are declared.
5728 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
5731 * include/bits/char_traits.h (char_traits::move): Do not pass null
5732 pointers to memmove.
5733 * include/bits/locale_facets.h
5734 (ctype<char>::widen(const char*, const char*, char*)): Do not
5735 pass null pointers to memcpy.
5736 (ctype<char>::narrow(const char*, const char*, char, char*)):
5738 (ctype<char>::do_widen(const char*, const char*, char*)):
5740 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
5743 * doc/xml/manual/spine.xml: Update copyright years.
5744 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
5745 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
5746 for C++17 filesystem library.
5747 * doc/html/*: Regenerate.
5749 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
5750 * config.h.in: Regenerate.
5751 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
5752 alphabetically and add missing entries for copy_symlink,
5753 hard_link_count, rename, and resize_file.
5754 * configure: Regenerate.
5755 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
5756 used unconditionally.
5757 * src/filesystem/ops-common.h (__gnu_posix::truncate)
5758 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
5759 supports truncating to zero length.
5760 * testsuite/27_io/filesystem/operations/all.cc: New test.
5761 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
5763 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
5766 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
5767 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
5768 * config.h.in: Regenerate.
5769 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
5770 remaining std::filesystem types and functions.
5771 * configure: Regenerate.
5772 * src/c++17/Makefile.am: Add C++17 filesystem sources.
5773 * src/c++17/Makefile.in: Regenerate.
5774 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
5775 here, and change name of included file.
5776 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
5777 here, and change name of included file.
5778 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
5779 path to dir-common.h.
5780 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
5781 path to ops-common.h. Disable -Wunused-parameter warnings.
5782 (internal_file_clock): Define unconditionally.
5783 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
5785 (do_copy_file, do_space): Move definitions to ops.common.h.
5786 (copy, file_size, hard_link_count, last_write_time, space): Only
5787 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
5789 (last_write_time, read_symlink): Remove unused attributes from
5791 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
5792 * src/filesystem/Makefile.in: Regenerate.
5793 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
5794 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
5795 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
5796 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
5797 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
5798 dummy types and functions instead of using #error.
5799 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
5800 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
5802 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
5803 (do_copy_file, do_space): Move definitions here from std-ops.cc.
5804 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
5805 to account for new namespace.
5806 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
5807 -lstdc++fs from dg-options.
5808 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
5809 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
5810 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
5811 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
5812 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
5814 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
5815 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
5817 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
5818 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
5819 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
5820 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
5821 * testsuite/27_io/filesystem/operations/create_directories.cc:
5823 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
5824 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
5825 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
5826 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
5827 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
5828 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
5829 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
5830 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
5831 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
5832 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
5833 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
5834 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
5835 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
5836 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
5837 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
5838 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
5839 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
5840 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
5842 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
5846 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
5847 typeinfo and vtables less greedy.
5848 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
5849 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
5850 * src/c++17/Makefile.in: Regenerate.
5851 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
5852 here, and change name of included file.
5853 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
5854 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
5856 * src/filesystem/Makefile.in: Regenerate.
5857 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
5858 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
5859 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
5860 from dg-options and remove dg-require-filesystem-ts.
5861 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
5862 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
5863 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
5864 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
5865 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
5866 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
5867 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
5868 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
5869 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
5870 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
5871 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
5872 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
5873 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
5874 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
5875 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
5876 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
5877 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
5878 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
5879 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
5880 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
5881 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
5883 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
5884 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
5885 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
5886 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
5887 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
5888 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
5889 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
5890 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
5891 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
5892 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
5893 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
5894 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
5896 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
5898 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
5900 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
5902 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
5903 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
5904 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
5905 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
5906 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
5907 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
5908 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
5909 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
5910 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
5911 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
5913 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
5914 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
5915 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
5916 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
5917 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
5920 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
5921 Check is_trivially_copyable instead of is_scalar.
5922 (variant::emplace<N, Args>(Args&&...)): If construction of the new
5923 contained value can throw and its type is trivially copyable then
5924 construct into a temporary variant and move from it, to provide the
5925 strong exception safety guarantee.
5926 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
5928 * testsuite/20_util/variant/87431.cc: New test.
5929 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
5930 conversion causes valueless state.
5933 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
5934 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
5935 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
5936 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
5937 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
5939 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
5941 * include/bits/fs_fwd.h (__file_clock): Define new clock.
5942 (file_time_type): Redefine in terms of __file_clock.
5943 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
5945 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
5947 (internal_file_lock): New helper type for accessing __file_clock.
5948 (do_copy_file): Use internal_file_lock to convert system time to
5950 (last_write_time(const path&, error_code&)): Likewise.
5951 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
5953 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
5955 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
5956 for const member functions of std::basic_string.
5957 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
5959 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
5960 Make non-standard constructor private.
5961 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
5963 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
5964 explicit instantiations for C++17 as well as earlier dialects.
5965 * src/c++17/Makefile.am: Add new source files.
5966 * src/c++17/Makefile.in: Regenerate.
5967 * src/c++17/cow-string-inst.cc: New file defining explicit
5968 instantiations for basic_string member functions added in C++17.
5969 * src/c++17/string-inst.cc: Likewise.
5971 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
5972 copy/move constructors for old std::basic_string.
5973 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
5974 (basic_string::reference, basic_string::const_reference): Define
5975 as plain references for C++11 and later.
5976 (basic_string::basic_string()): Put constructor body outside
5977 preprocessor conditional groups.
5978 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
5979 instead of copying it.
5980 (basic_string::basic_string(const basic_string&, const _Alloc&)):
5982 (basic_string::basic_string(basic_string&&, const _Alloc&)):
5984 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
5985 cases for old basic_string.
5986 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
5987 allocator-extended constructors unconditionally. Add extra members to
5988 allocator type when using old string ABI.
5989 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
5991 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
5993 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
5994 -fno-inline added to test flags.
5996 * testsuite/21_strings/basic_string/requirements/
5997 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
5999 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
6000 assertion failures with old std::string ABI.
6002 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
6004 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
6005 functions that will only erase elements at the end.
6006 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
6007 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
6008 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
6010 (path::_List::pop_back()): Define.
6011 (path::_List::_M_erase_from(const_iterator)): Define.
6012 (path::operator/=(const path&)): Use pop_back to remove last component
6013 and _M_erase_from to remove multiple components.
6014 (path::_M_append(basic_string_view<value_type>)): Likewise.
6015 (path::operator+=(const path&)): Likewise.
6016 (path::_M_concat(basic_string_view<value_type>)): Likewise.
6017 (path::remove_filename()): Likewise.
6018 (path::lexically_normal()): Use _List::_Impl iterators instead of
6019 path::iterator. Use pop_back to remove components from the end. Clear
6020 trailing filename, instead of using erase(const_iterator) to remove
6021 a non-final component.
6022 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
6024 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
6026 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
6027 incorrect treatment of empty filename after trailing slash.
6028 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
6030 * testsuite/21_strings/basic_string/modifiers/assign/char/
6031 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
6033 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
6034 move_assign_optim.cc: Likewise.
6036 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
6037 Jakub Jelinek <jakub@redhat.com>
6040 * include/experimental/memory: Replace UTF-8 quote characters.
6041 * include/std/future: Replace UTF-8 "em dash" characters.
6043 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
6046 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
6047 * include/debug/forward_list: Likewise.
6048 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
6050 * include/experimental/chrono: Likewise.
6051 * include/experimental/functional: Likewise.
6052 * include/experimental/ratio: Likewise.
6053 * include/experimental/system_error: Likewise.
6054 * include/experimental/tuple: Likewise.
6055 * include/experimental/type_traits: Likewise.
6056 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
6057 * include/parallel/multiseq_selection.h: Likewise.
6060 * config/abi/pre/gnu.ver: Add missing exports.
6061 * testsuite/22_locale/collate_byname/88681.cc: New test.
6062 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
6063 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
6065 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
6067 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
6068 initializer_list<value_type> and from input iterator ranges.
6069 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
6071 * testsuite/experimental/string_view/element_access/char/empty.cc:
6072 Fix year range in copyright header.
6074 2019-01-02 Joel Brobecker <brobecker@adacore.com>
6076 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
6077 Fix year range in copyright header.
6079 2019-01-01 Jakub Jelinek <jakub@redhat.com>
6081 Update copyright years.
6083 Copyright (C) 2019 Free Software Foundation, Inc.
6085 Copying and distribution of this file, with or without modification,
6086 are permitted in any medium without royalty provided the copyright
6087 notice and this notice are preserved.